diff options
211 files changed, 10399 insertions, 2806 deletions
diff --git a/.gitmodules b/.gitmodules index bd6e7f7..8155600 100644 --- a/.gitmodules +++ b/.gitmodules @@ -26,3 +26,7 @@ path = lib/whereami/lib url = https://github.com/gpakosz/whereami shallow = true +[submodule "lib/fontconfig"] + path = lib/fontconfig + url = https://gitlab.freedesktop.org/fontconfig/fontconfig.git + shallow = true @@ -17,11 +17,10 @@ GENERATE_LATEX = NO LAYOUT_FILE = src/doc/layout.xml TAB_SIZE = 2 -HTML_INDEX_NUM_ENTRIES = 2 +HTML_INDEX_NUM_ENTRIES = 999 HTML_EXTRA_STYLESHEET = src/doc/style.css SHOW_HEADERFILE = NO -USE_MDFILE_AS_MAINPAGE = ./readme.md REPEAT_BRIEF = NO EXTRACT_STATIC = YES @@ -29,6 +28,7 @@ HIDE_UNDOC_NAMESPACES = YES HIDE_UNDOC_CLASSES = YES QUIET = YES +WARNINGS = NO # set these to NO for user-only docs INTERNAL_DOCS = YES diff --git a/asset/texture/circle.png b/asset/texture/circle.png Binary files differnew file mode 100755 index 0000000..0a92ac7 --- /dev/null +++ b/asset/texture/circle.png diff --git a/asset/texture/img.png b/asset/texture/img.png Binary files differindex 43b1eca..649a3f1 100644 --- a/asset/texture/img.png +++ b/asset/texture/img.png diff --git a/asset/texture/square.png b/asset/texture/square.png Binary files differnew file mode 100755 index 0000000..d07ec98 --- /dev/null +++ b/asset/texture/square.png diff --git a/asset/texture/test_ap43.png b/asset/texture/test_ap43.png Binary files differnew file mode 100644 index 0000000..e758ed7 --- /dev/null +++ b/asset/texture/test_ap43.png diff --git a/contributing.md b/contributing.md index 77a2908..5555892 100644 --- a/contributing.md +++ b/contributing.md @@ -17,6 +17,9 @@ that you can click on to open them. working/compiling version of the project - Pull requests for new code include either automated tests for the new code or an explanation as to why the code can not (reliably) be tested +- Non-bugfix pull requests must be approved by at least 2 reviewers before being + merged + <!-- - TODO: tagging / versions --> @@ -495,6 +498,12 @@ that you can click on to open them. </td></tr></table></details> - <details><summary> Ensure const-correctness + + > [!IMPORTANT] + > C-style APIs that work on (possibly internal) references to structs can be + > called from const member functions in C++. If the compiler allows you to + > mark a function as `const` even though it has side effects, it should + > **not** be marked as `const`. </summary><table><tr><th>Good</th><th>Bad</th></tr><tr><td> ```cpp @@ -626,15 +635,21 @@ that you can click on to open them. </summary><table><tr><th>Good</th><th>Bad</th></tr><tr><td> ```cpp + void Foo::bar() { } + void Foo::set_value(int value) { this->value = value; + this->bar(); } ``` </td><td> ```cpp + void Foo::bar() { } + void Foo::set_value(int new_value) { value = new_value; + bar(); } ``` </td></tr></table></details> @@ -795,6 +810,49 @@ that you can click on to open them. ``` </td></tr></table></details> - Do not implement new classes as singletons +- <details><summary> + Retrieving the first or last indices for iterators with a known or expected + size should be done using <code>.front()</code> or <code>.back()</code> + instead of by index + </summary><table><tr><th>Good</th><th>Bad</th></tr><tr><td> + + ```cpp + vector<int> foo = { 1, 2, 3 }; + int bar = foo.first(); + ``` + </td><td> + + ```cpp + vector<int> foo = { 1, 2, 3 }; + int bar = foo[0]; + ``` + </td></tr></table></details> +- <details><summary> + Always explicitly check against <code>NULL</code> (for C APIs) or + <code>nullptr</code> (for C++ APIs) when checking if a pointer is valid + </summary><table><tr><th>Good</th><th>Bad</th></tr><tr><td> + + ```cpp + string foo = "Hello world"; + if (foo.c_str() == nullptr) + // ... + + void * bar = malloc(); + if (bar == NULL) + // ... + ``` + </td><td> + + ```cpp + string foo = "Hello world"; + if (!foo.c_str()) + // ... + + void * bar = malloc(); + if (!bar) + // ... + ``` + </td></tr></table></details> ## CMakeLists-specific @@ -823,6 +881,11 @@ that you can click on to open them. parameter of `TEST()` / `TEST_F()` macro) - Test source files match their suite name (or test fixture name in the case of tests that use a fixture) +- Tests that measure time or use delays must be [disabled][gtest-disable] (by + prepending `DISABLED_` to the suite or case name). + + These tests will still be compiled, but will only run when the `test_main` + binary is run with the `--gtest_also_run_disabled_tests` flag. # Structure @@ -842,6 +905,8 @@ that you can click on to open them. # Documentation +[Doxygen commands](https://www.doxygen.nl/manual/commands.html) + - All documentation is written in U.S. English - <details><summary> Doxygen commands are used with a backslash instead of an at-sign. @@ -927,6 +992,52 @@ that you can click on to open them. Foo & operator=(Foo &&) = delete; ``` </td></tr></table></details> +- Do not use markdown headings in Doxygen + +## Documenting features + +Engine features are small 'building blocks' that the user (game developer) may +reference when building a game with the engine. Features do not necessarily map +1-1 to engine components or systems. If a component or system has a single, +distinct feature it should be named after that feature, not the component or +system itself. + +The sources for these pages are located under `src/doc/feature/`, and have the +following format: + +- A feature description which explains— + - the purpose and function of the feature (focus on what it enables or + achieves for the user) + - additional information about when to implement the feature, such as specific + use cases or scenarios +- A list of 'see also' references to relevant classes and/or types +- A **minimal** example to demonstrate how the feature is used. The example + should be written such that the following is clear to the reader: + - Which headers need to be included to utilize the feature + - *Why* the example works, not what is happening in the example + - Where is this code supposed to be called (e.g. inside scene/script + functions) + - Which restrictions should be kept in mind (e.g. copy/move semantics, max + component instances, speed considerations) + +Features should be documented as clear and concise as possible, so the following +points should be kept in mind: + +- <details><summary> + If a page expands on an example from another page, directly reference the + other page using a cross-reference (`\ref`) in a `\note` block at the top of + the page. + </summary> + + ``` + \note This page builds on top of the example shown in \ref feature_script + ``` + </details> +- When explaining the usage of specific functions, qualify them such that + Doxygen is able to add a cross-reference or manually add a reference using the + `\ref` command. +- Users will likely copy-paste examples as-is, so do this yourself to check if + the example code actually works! # Libraries @@ -934,4 +1045,8 @@ that you can click on to open them. subdirectory - When adding new submodules, please set the `shallow` option to `true` in the [.gitmodules](./.gitmodules) file +- When adding new libraries, please update the library version table in + [readme\.md](./readme.md) + +[gtest-disable]: https://google.github.io/googletest/advanced.html#temporarily-disabling-tests diff --git a/lib/fontconfig b/lib/fontconfig new file mode 160000 +Subproject 72b9a48f57de6204d99ce1c217b5609ee92ece9 diff --git a/lib/sdl2 b/lib/sdl2 -Subproject c98c4fbff6d8f3016a3ce6685bf8f43433c3efc +Subproject 9519b9916cd29a14587af0507292f2bd31dd575 diff --git a/lib/sdl_image b/lib/sdl_image -Subproject 56560190a6c5b5740e5afdce747e2a2bfbf16db +Subproject abcf63aa71b4e3ac32120fa9870a6500ddcdcc8 diff --git a/lib/sdl_ttf b/lib/sdl_ttf -Subproject a3d0895c1b60c41ff9e85d9203ddd7485c014da +Subproject 4a318f8dfaa1bb6f10e0c5e54052e25d3c7f344 @@ -33,6 +33,7 @@ This project uses the following libraries |Google Test (`GTest`)|1.15.2| |Berkeley DB (`libdb`)|5.3.21| |Where Am I?|(latest git `master` version) +|fontconfig|2.15.0| > [!NOTE] > Most of these libraries are likely available from your package manager if you diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt index c3f29da..696856c 100644 --- a/src/CMakeLists.txt +++ b/src/CMakeLists.txt @@ -9,10 +9,12 @@ project(crepe C CXX) find_package(SDL2 REQUIRED) find_package(SDL2_image REQUIRED) +find_package(SDL2_ttf REQUIRED) find_package(SoLoud REQUIRED) find_package(GTest REQUIRED) find_package(whereami REQUIRED) find_library(BERKELEY_DB db) +find_library(FONTCONFIG_LIB fontconfig) add_library(crepe SHARED) add_executable(test_main EXCLUDE_FROM_ALL) @@ -24,9 +26,11 @@ target_include_directories(crepe target_link_libraries(crepe PRIVATE soloud PUBLIC SDL2 + PUBLIC SDL2_ttf PUBLIC SDL2_image PUBLIC ${BERKELEY_DB} PUBLIC whereami + PUBLIC ${FONTCONFIG_LIB} ) add_subdirectory(crepe) @@ -40,5 +44,6 @@ install( target_link_libraries(test_main PRIVATE gtest + PRIVATE gmock PUBLIC crepe ) diff --git a/src/crepe/CMakeLists.txt b/src/crepe/CMakeLists.txt index 7e176e7..6cbb9fe 100644 --- a/src/crepe/CMakeLists.txt +++ b/src/crepe/CMakeLists.txt @@ -1,21 +1,21 @@ target_sources(crepe PUBLIC Particle.cpp - ComponentManager.cpp Component.cpp Collider.cpp + Resource.cpp ) target_sources(crepe PUBLIC FILE_SET HEADERS FILES - ComponentManager.h - ComponentManager.hpp Component.h Collider.h ValueBroker.h ValueBroker.hpp + Resource.h ) add_subdirectory(api) add_subdirectory(facade) +add_subdirectory(manager) add_subdirectory(system) add_subdirectory(util) diff --git a/src/crepe/Collider.cpp b/src/crepe/Collider.cpp index bbec488..77e11c8 100644 --- a/src/crepe/Collider.cpp +++ b/src/crepe/Collider.cpp @@ -2,4 +2,4 @@ using namespace crepe; -Collider::Collider(game_object_id_t id) : Component(id) {} +Collider::Collider(game_object_id_t id, const vec2 & offset) : Component(id), offset(offset) {} diff --git a/src/crepe/Collider.h b/src/crepe/Collider.h index 827f83d..42ccfd4 100644 --- a/src/crepe/Collider.h +++ b/src/crepe/Collider.h @@ -1,14 +1,23 @@ #pragma once #include "Component.h" +#include "types.h" namespace crepe { class Collider : public Component { public: - Collider(game_object_id_t id); + Collider(game_object_id_t id, const vec2 & offset); - int size; +public: + /** + * \brief Offset of the collider relative to the rigidbody position. + * + * The `offset` defines the positional shift applied to the collider relative to the position of the rigidbody it is attached to. + * This allows the collider to be placed at a different position than the rigidbody. + * + */ + vec2 offset; }; } // namespace crepe diff --git a/src/crepe/Component.cpp b/src/crepe/Component.cpp index acfd35c..ae76e65 100644 --- a/src/crepe/Component.cpp +++ b/src/crepe/Component.cpp @@ -1,5 +1,17 @@ #include "Component.h" using namespace crepe; +using namespace std; Component::Component(game_object_id_t id) : game_object_id(id) {} + +Component & Component::operator=(const Component & other) { + this->active = other.active; + return *this; +} + +unique_ptr<Component> Component::save() const { + return unique_ptr<Component>(new Component(*this)); +} + +void Component::restore(const Component & snapshot) { *this = snapshot; } diff --git a/src/crepe/Component.h b/src/crepe/Component.h index dc17721..52e06d5 100644 --- a/src/crepe/Component.h +++ b/src/crepe/Component.h @@ -1,5 +1,7 @@ #pragma once +#include <memory> + #include "types.h" namespace crepe { @@ -8,7 +10,7 @@ class ComponentManager; /** * \brief Base class for all components - * + * * This class is the base class for all components. It provides a common interface for all * components. */ @@ -16,7 +18,12 @@ class Component { public: //! Whether the component is active bool active = true; - //! The id of the GameObject this component belongs to + /** + * \brief The id of the GameObject this component belongs to + * + * \note Only systems are supposed to use this member, but since friend + * relations aren't inherited this needs to be public. + */ const game_object_id_t game_object_id; protected: @@ -24,14 +31,36 @@ protected: * \param id The id of the GameObject this component belongs to */ Component(game_object_id_t id); - //! Only the ComponentManager can create components + //! Only ComponentManager can create components friend class ComponentManager; - Component(const Component &) = delete; + // components are never moved Component(Component &&) = delete; - virtual Component & operator=(const Component &) = delete; virtual Component & operator=(Component &&) = delete; +protected: + /** + * \name ReplayManager (Memento) functions + * \{ + */ + /** + * \brief Save a snapshot of this component's state + * \note This function should only be implemented on components that should be saved/restored + * by ReplayManager. + * \returns Unique pointer to a deep copy of this component + */ + virtual std::unique_ptr<Component> save() const; + //! Copy constructor (used by \c save()) + Component(const Component &) = default; + /** + * \brief Restore this component from a snapshot + * \param snapshot Data to fill this component with (as returned by \c save()) + */ + virtual void restore(const Component & snapshot); + //! Copy assignment operator (used by \c restore()) + virtual Component & operator=(const Component &); + //! \} + public: virtual ~Component() = default; diff --git a/src/crepe/ComponentManager.cpp b/src/crepe/ComponentManager.cpp deleted file mode 100644 index e310577..0000000 --- a/src/crepe/ComponentManager.cpp +++ /dev/null @@ -1,34 +0,0 @@ -#include "api/GameObject.h" -#include "util/Log.h" - -#include "ComponentManager.h" - -using namespace crepe; -using namespace std; - -ComponentManager::ComponentManager() { dbg_trace(); } -ComponentManager::~ComponentManager() { dbg_trace(); } - -void ComponentManager::delete_all_components_of_id(game_object_id_t id) { - // Loop through all the types (in the unordered_map<>) - for (auto & [type, componentArray] : this->components) { - // Make sure that the id (that we are looking for) is within the boundaries of the vector<> - if (id < componentArray.size()) { - // Clear the components at this specific id - componentArray[id].clear(); - } - } -} - -void ComponentManager::delete_all_components() { - this->components.clear(); - this->next_id = 0; -} - -GameObject ComponentManager::new_object(const string & name, const string & tag, - const Vector2 & position, double rotation, - double scale) { - GameObject object{*this, this->next_id, name, tag, position, rotation, scale}; - this->next_id++; - return object; -} diff --git a/src/crepe/ComponentManager.h b/src/crepe/ComponentManager.h deleted file mode 100644 index 0956d1e..0000000 --- a/src/crepe/ComponentManager.h +++ /dev/null @@ -1,148 +0,0 @@ -#pragma once - -#include <memory> -#include <typeindex> -#include <unordered_map> -#include <vector> - -#include "api/Vector2.h" - -#include "Component.h" -#include "types.h" - -namespace crepe { - -class GameObject; - -/** - * \brief Manages all components - * - * This class manages all components. It provides methods to add, delete and get components. - */ -class ComponentManager { - // TODO: This relation should be removed! I (loek) believe that the scene manager should - // create/destroy components because the GameObject's are stored in concrete Scene classes, - // which will in turn call GameObject's destructor, which will in turn call - // ComponentManager::delete_components_by_id or something. This is a pretty major change, so - // here is a comment and temporary fix instead :tada: - friend class SceneManager; - -public: - ComponentManager(); // dbg_trace - ~ComponentManager(); // dbg_trace - - /** - * \brief Create a new game object using the component manager - * - * \param name Metadata::name (required) - * \param tag Metadata::tag (optional, empty by default) - * \param position Transform::position (optional, origin by default) - * \param rotation Transform::rotation (optional, 0 by default) - * \param scale Transform::scale (optional, 1 by default) - * - * \returns GameObject interface - * - * \note This method automatically assigns a new entity ID - */ - GameObject new_object(const std::string & name, const std::string & tag = "", - const Vector2 & position = {0, 0}, double rotation = 0, - double scale = 1); - -protected: - /** - * GameObject is used as an interface to add/remove components, and the game programmer is - * supposed to use it instead of interfacing with the component manager directly. - */ - friend class GameObject; - /** - * \brief Add a component to the ComponentManager - * - * This method adds a component to the ComponentManager. The component is created with the - * given arguments and added to the ComponentManager. - * - * \tparam T The type of the component - * \tparam Args The types of the arguments - * \param id The id of the GameObject this component belongs to - * \param args The arguments to create the component - * \return The created component - */ - template <typename T, typename... Args> - T & add_component(game_object_id_t id, Args &&... args); - /** - * \brief Delete all components of a specific type and id - * - * This method deletes all components of a specific type and id. - * - * \tparam T The type of the component - * \param id The id of the GameObject this component belongs to - */ - template <typename T> - void delete_components_by_id(game_object_id_t id); - /** - * \brief Delete all components of a specific type - * - * This method deletes all components of a specific type. - * - * \tparam T The type of the component - */ - template <typename T> - void delete_components(); - /** - * \brief Delete all components of a specific id - * - * This method deletes all components of a specific id. - * - * \param id The id of the GameObject this component belongs to - */ - void delete_all_components_of_id(game_object_id_t id); - /** - * \brief Delete all components - * - * This method deletes all components. - */ - void delete_all_components(); - -public: - /** - * \brief Get all components of a specific type and id - * - * This method gets all components of a specific type and id. - * - * \tparam T The type of the component - * \param id The id of the GameObject this component belongs to - * \return A vector of all components of the specific type and id - */ - template <typename T> - RefVector<T> get_components_by_id(game_object_id_t id) const; - /** - * \brief Get all components of a specific type - * - * This method gets all components of a specific type. - * - * \tparam T The type of the component - * \return A vector of all components of the specific type - */ - template <typename T> - RefVector<T> get_components_by_type() const; - -private: - /** - * \brief The components - * - * This unordered_map stores all components. The key is the type of the component and the - * value is a vector of vectors of unique pointers to the components. - * - * Every component type has its own vector of vectors of unique pointers to the components. - * The first vector is for the ids of the GameObjects and the second vector is for the - * components (because a GameObject might have multiple components). - */ - std::unordered_map<std::type_index, std::vector<std::vector<std::unique_ptr<Component>>>> - components; - - //! ID of next GameObject allocated by \c ComponentManager::new_object - game_object_id_t next_id = 0; -}; - -} // namespace crepe - -#include "ComponentManager.hpp" diff --git a/src/crepe/Particle.cpp b/src/crepe/Particle.cpp index 1068cbf..b340826 100644 --- a/src/crepe/Particle.cpp +++ b/src/crepe/Particle.cpp @@ -2,8 +2,8 @@ using namespace crepe; -void Particle::reset(uint32_t lifespan, const Vector2 & position, const Vector2 & velocity, - double angle) { +void Particle::reset(unsigned int lifespan, const vec2 & position, const vec2 & velocity, + float angle) { // Initialize the particle state this->time_in_life = 0; this->lifespan = lifespan; @@ -15,16 +15,17 @@ void Particle::reset(uint32_t lifespan, const Vector2 & position, const Vector2 this->force_over_time = {0, 0}; } -void Particle::update() { +void Particle::update(double dt) { // Deactivate particle if it has exceeded its lifespan - if (++time_in_life >= lifespan) { + time_in_life += dt; + if (time_in_life >= lifespan) { this->active = false; return; } // Update velocity based on accumulated force and update position - this->velocity += force_over_time; - this->position += velocity; + this->velocity += force_over_time * dt; + this->position += velocity * dt; } void Particle::stop_movement() { diff --git a/src/crepe/Particle.h b/src/crepe/Particle.h index 19859fe..ee0cd66 100644 --- a/src/crepe/Particle.h +++ b/src/crepe/Particle.h @@ -2,7 +2,7 @@ #include <cstdint> -#include "api/Vector2.h" +#include "types.h" namespace crepe { @@ -14,23 +14,21 @@ namespace crepe { * can also be reset or stopped. */ class Particle { - // TODO: add friend particleSsytem and rendersystem. Unit test will fail. - public: //! Position of the particle in 2D space. - Vector2 position; + vec2 position; //! Velocity vector indicating the speed and direction of the particle. - Vector2 velocity; + vec2 velocity; //! Accumulated force affecting the particle over time. - Vector2 force_over_time; + vec2 force_over_time; //! Total lifespan of the particle in milliseconds. - uint32_t lifespan; + float lifespan; //! Active state of the particle; true if it is in use, false otherwise. bool active = false; //! The time the particle has been alive, in milliseconds. - uint32_t time_in_life = 0; + float time_in_life = 0; //! The angle at which the particle is oriented or moving. - double angle = 0; + float angle = 0; /** * \brief Resets the particle with new properties. @@ -43,15 +41,16 @@ public: * \param velocity The initial velocity of the particle. * \param angle The angle of the particle's trajectory or orientation. */ - void reset(uint32_t lifespan, const Vector2 & position, const Vector2 & velocity, - double angle); + void reset(unsigned int lifespan, const vec2 & position, const vec2 & velocity, + float angle); /** * \brief Updates the particle's state. * * Advances the particle's position based on its velocity and applies accumulated forces. * Deactivates the particle if its lifespan has expired. + * \param dt The amount of fixed delta time that has passed. */ - void update(); + void update(double dt); /** * \brief Stops the particle's movement. * diff --git a/src/crepe/Resource.cpp b/src/crepe/Resource.cpp new file mode 100644 index 0000000..85913ed --- /dev/null +++ b/src/crepe/Resource.cpp @@ -0,0 +1,6 @@ +#include "Resource.h" +#include "manager/Mediator.h" + +using namespace crepe; + +Resource::Resource(const Asset & asset, Mediator & mediator) {} diff --git a/src/crepe/Resource.h b/src/crepe/Resource.h new file mode 100644 index 0000000..d65206b --- /dev/null +++ b/src/crepe/Resource.h @@ -0,0 +1,30 @@ +#pragma once + +namespace crepe { + +class ResourceManager; +class Asset; +class Mediator; + +/** + * \brief Resource interface + * + * Resource is an interface class used to represent a (deserialized) game resource (e.g. + * textures, sounds). Resources are always created from \ref Asset "assets" by ResourceManager. + * + * The game programmer has the ability to use the ResourceManager to keep instances of concrete + * resources between scenes, preventing them from being reinstantiated during a scene + * transition. + */ +class Resource { +public: + Resource(const Asset & src, Mediator & mediator); + virtual ~Resource() = default; + + Resource(const Resource &) = delete; + Resource(Resource &&) = delete; + Resource & operator=(const Resource &) = delete; + Resource & operator=(Resource &&) = delete; +}; + +} // namespace crepe diff --git a/src/crepe/api/AI.cpp b/src/crepe/api/AI.cpp new file mode 100644 index 0000000..2195249 --- /dev/null +++ b/src/crepe/api/AI.cpp @@ -0,0 +1,89 @@ +#include <stdexcept> +#include <type_traits> + +#include "AI.h" +#include "types.h" + +namespace crepe { + +AI::AI(game_object_id_t id, float max_force) : Component(id), max_force(max_force) {} + +void AI::make_circle_path(float radius, const vec2 & center, float start_angle, + bool clockwise) { + if (radius <= 0) { + throw std::runtime_error("Radius must be greater than 0"); + } + + // The step size is determined by the radius (step size is in radians) + float step = RADIUS_TO_STEP / radius; + // Force at least MIN_STEP steps (in case of a small radius) + if (step > 2 * M_PI / MIN_STEP) { + step = 2 * M_PI / MIN_STEP; + } + // The path node distance is determined by the step size and the radius + this->path_node_distance = radius * step * PATH_NODE_DISTANCE_FACTOR; + + if (clockwise) { + for (float i = start_angle; i < 2 * M_PI + start_angle; i += step) { + path.push_back(vec2{static_cast<float>(center.x + radius * cos(i)), + static_cast<float>(center.y + radius * sin(i))}); + } + } else { + for (float i = start_angle; i > start_angle - 2 * M_PI; i -= step) { + path.push_back(vec2{static_cast<float>(center.x + radius * cos(i)), + static_cast<float>(center.y + radius * sin(i))}); + } + } +} + +void AI::make_oval_path(float radius_x, float radius_y, const vec2 & center, float start_angle, + bool clockwise, float rotation) { + if (radius_x <= 0 && radius_y <= 0) { + throw std::runtime_error("Radius must be greater than 0"); + } + + float max_radius = std::max(radius_x, radius_y); + // The step size is determined by the radius (step size is in radians) + float step = RADIUS_TO_STEP / max_radius; + // Force at least MIN_STEP steps (in case of a small radius) + if (step > 2 * M_PI / MIN_STEP) { + step = 2 * M_PI / MIN_STEP; + } + // The path node distance is determined by the step size and the radius + this->path_node_distance = max_radius * step * PATH_NODE_DISTANCE_FACTOR; + + std::function<vec2(vec2, vec2)> rotate_point = [rotation](vec2 point, vec2 center) { + float s = sin(rotation); + float c = cos(rotation); + + // Translate point back to origin + point.x -= center.x; + point.y -= center.y; + + // Rotate point + float xnew = point.x * c - point.y * s; + float ynew = point.x * s + point.y * c; + + // Translate point back + point.x = xnew + center.x; + point.y = ynew + center.y; + + return point; + }; + + if (clockwise) { + for (float i = start_angle; i < 2 * M_PI + start_angle; i += step) { + vec2 point = {static_cast<float>(center.x + radius_x * cos(i)), + static_cast<float>(center.y + radius_y * sin(i))}; + path.push_back(rotate_point(point, center)); + } + } else { + for (float i = start_angle; i > start_angle - 2 * M_PI; i -= step) { + vec2 point = {static_cast<float>(center.x + radius_x * cos(i)), + static_cast<float>(center.y + radius_y * sin(i))}; + path.push_back(rotate_point(point, center)); + } + } +} + +} // namespace crepe diff --git a/src/crepe/api/AI.h b/src/crepe/api/AI.h new file mode 100644 index 0000000..c780a91 --- /dev/null +++ b/src/crepe/api/AI.h @@ -0,0 +1,128 @@ +#pragma once + +#include "Component.h" +#include "types.h" + +namespace crepe { + +/** + * \brief The AI component is used to control the movement of an entity using AI. + * + * The AI component can be used to control the movement of an entity. The AI component can be used + * to implement different behaviors such as seeking, fleeing, arriving, and path following. + */ +class AI : public Component { +public: + //! The different types of behaviors that can be used + enum BehaviorTypeMask { + SEEK = 0x00002, + FLEE = 0x00004, + ARRIVE = 0x00008, + PATH_FOLLOW = 0x00010, + }; + +public: + /** + * \param id The id of the game object + * \param max_force The maximum force that can be applied to the entity + */ + AI(game_object_id_t id, float max_force); + + /** + * \brief Check if a behavior is on (aka activated) + * + * \param behavior The behavior to check + * \return true if the behavior is on, false otherwise + */ + bool on(BehaviorTypeMask behavior) const { return (flags & behavior); } + //! Turn on the seek behavior + void seek_on() { flags |= SEEK; } + //! Turn off the seek behavior + void seek_off() { flags &= ~SEEK; } + //! Turn on the flee behavior + void flee_on() { flags |= FLEE; } + //! Turn off the flee behavior + void flee_off() { flags &= ~FLEE; } + //! Turn on the arrive behavior + void arrive_on() { flags |= ARRIVE; } + //! Turn off the arrive behavior + void arrive_off() { flags &= ~ARRIVE; } + //! Turn on the path follow behavior + void path_follow_on() { flags |= PATH_FOLLOW; } + //! Turn off the path follow behavior + void path_follow_off() { flags &= ~PATH_FOLLOW; } + + /** + * \brief Add a path node (for the path following behavior) + * + * \note The path is not relative to the entity's position (it is an absolute path) + * + * \param node The path node to add + */ + void add_path_node(const vec2 & node) { path.push_back(node); } + /** + * \brief Make a circle path (for the path following behavior) + * + * \note The path is not relative to the entity's position (it is an absolute path) + * + * \param radius The radius of the circle (in game units) + * \param center The center of the circle (in game units) + * \param start_angle The start angle of the circle (in radians) + * \param clockwise The direction of the circle + */ + void make_circle_path(float radius, const vec2 & center = {0, 0}, float start_angle = 0, + bool clockwise = true); + /** + * \brief Make an oval path (for the path following behavior) + * + * \note The path is not relative to the entity's position (it is an absolute path) + * + * \param radius_x The x radius of the oval (in game units) + * \param radius_y The y radius of the oval (in game units) + * \param center The center of the oval (in game units) + * \param start_angle The start angle of the oval (in radians) + * \param clockwise The direction of the oval + * \param rotation The rotation of the oval (in radians) + */ + void make_oval_path(float radius_x, float radius_y, const vec2 & center = {0, 0}, + float start_angle = 0, bool clockwise = true, float rotation = 0); + +public: + //! The maximum force that can be applied to the entity (higher values will make the entity adjust faster) + float max_force; + + //! The target to seek at + vec2 seek_target; + //! The target to arrive at + vec2 arrive_target; + //! The target to flee from + vec2 flee_target; + //! The distance at which the entity will start to flee from the target + float square_flee_panic_distance = 200.0f * 200.0f; + //! The deceleration rate for the arrive behavior (higher values will make the entity decelerate faster (less overshoot)) + float arrive_deceleration = 40.0f; + //! The path to follow (for the path following behavior) + std::vector<vec2> path; + //! The distance from the path node at which the entity will move to the next node (automatically set by make_circle_path()) + float path_node_distance = 400.0f; + //! Looping behavior for the path + bool path_loop = true; + +private: + //! The flags for the behaviors + int flags = 0; + //! The current path index + size_t path_index = 0; + + //! The AISystem is the only class that should access the flags and path_index variables + friend class AISystem; + + //! The minimum amount of steps for the path following behavior + static constexpr int MIN_STEP = 16; + //! The radius to step size ratio for the path following behavior + static constexpr float RADIUS_TO_STEP = 400.0f; + //! The path node distance factor for the path following behavior + static constexpr float PATH_NODE_DISTANCE_FACTOR = 0.75f; +}; + +} // namespace crepe diff --git a/src/crepe/api/Animator.cpp b/src/crepe/api/Animator.cpp index 464b0fd..203cef3 100644 --- a/src/crepe/api/Animator.cpp +++ b/src/crepe/api/Animator.cpp @@ -1,5 +1,5 @@ -#include "util/Log.h" +#include "util/dbg.h" #include "Animator.h" #include "Component.h" @@ -7,18 +7,51 @@ using namespace crepe; -Animator::Animator(game_object_id_t id, Sprite & ss, int row, int col, int col_animator) +Animator::Animator(game_object_id_t id, Sprite & spritesheet, const ivec2 & single_frame_size, + const uvec2 & grid_size, const Animator::Data & data) : Component(id), - spritesheet(ss), - row(row), - col(col) { + spritesheet(spritesheet), + grid_size(grid_size), + data(data) { dbg_trace(); - animator_rect = spritesheet.sprite_rect; - animator_rect.h /= col; - animator_rect.w /= row; - animator_rect.x = 0; - animator_rect.y = col_animator * animator_rect.h; - this->active = false; + this->spritesheet.mask.w = single_frame_size.x; + this->spritesheet.mask.h = single_frame_size.y; + this->spritesheet.mask.x = 0; + this->spritesheet.mask.y = 0; + + this->spritesheet.aspect_ratio + = static_cast<float>(single_frame_size.x) / single_frame_size.y; } + Animator::~Animator() { dbg_trace(); } + +void Animator::loop() { this->data.looping = true; } + +void Animator::play() { this->active = true; } + +void Animator::pause() { this->active = false; } + +void Animator::stop() { + this->active = false; + this->data.col = 0; + this->data.row = 0; +} +void Animator::set_fps(int fps) { this->data.fps = fps; } + +void Animator::set_cycle_range(int start, int end) { + this->data.cycle_start = start, this->data.cycle_end = end; +} + +void Animator::set_anim(int col) { + Animator::Data & ctx = this->data; + this->spritesheet.mask.x = ctx.row = 0; + ctx.col = col; + this->spritesheet.mask.y = ctx.col * this->spritesheet.mask.h; +} + +void Animator::next_anim() { + Animator::Data & ctx = this->data; + ctx.row = ctx.row++ % this->grid_size.x; + this->spritesheet.mask.x = ctx.row * this->spritesheet.mask.w; +} diff --git a/src/crepe/api/Animator.h b/src/crepe/api/Animator.h index 53f4b91..5918800 100644 --- a/src/crepe/api/Animator.h +++ b/src/crepe/api/Animator.h @@ -1,5 +1,7 @@ #pragma once +#include "../types.h" + #include "Component.h" #include "Sprite.h" @@ -16,62 +18,87 @@ class SDLContext; * sheet. It can be used to play animations, loop them, or stop them. */ class Animator : public Component { +public: + struct Data { + //! frames per second for animation + unsigned int fps = 1; + //! The current col being animated. + unsigned int col = 0; + //! The current row being animated. + unsigned int row = 0; + //! should the animation loop + bool looping = false; + //! starting frame for cycling + unsigned int cycle_start = 0; + //! end frame for cycling (-1 = use last frame) + int cycle_end = -1; + }; public: - //TODO: need to implement this + //! Animator will repeat the animation void loop(); + //! starts the animation + void play(); + //! pauses the animation + void pause(); + /** + * \brief stops the animation + * + * sets the active on false and resets all the current rows and columns + */ void stop(); + /** + * \brief set frames per second + * + * \param fps frames per second + */ + void set_fps(int fps); + /** + * \brief set the range in the row + * + * \param start of row animation + * \param end of row animation + */ + void set_cycle_range(int start, int end); + /** + * \brief select which column to animate from + * + * \param col animation column + */ + void set_anim(int col); + //! will go to the next animaiton of current row + void next_anim(); public: /** * \brief Constructs an Animator object that will control animations for a sprite sheet. * * \param id The unique identifier for the component, typically assigned automatically. - * \param spritesheet A reference to the Sprite object which holds the sprite sheet for - * animation. - * \param row The maximum number of rows in the sprite sheet. - * \param col The maximum number of columns in the sprite sheet. - * \param col_animate The specific col index of the sprite sheet to animate. This allows - * selecting which col to animate from multiple col in the sheet. + * \param spritesheet the reference to the spritesheet + * \param single_frame_size the width and height in pixels of a single frame inside the + * spritesheet + * \param grid_size the max rows and columns inside the given spritesheet + * \param data extra animation data for more control * * This constructor sets up the Animator with the given parameters, and initializes the * animation system. */ - Animator(uint32_t id, Sprite & spritesheet, int row, int col, int col_animate); - + Animator(game_object_id_t id, Sprite & spritesheet, const ivec2 & single_frame_size, + const uvec2 & grid_size, const Animator::Data & data); ~Animator(); // dbg_trace - Animator(const Animator &) = delete; - Animator(Animator &&) = delete; - Animator & operator=(const Animator &) = delete; - Animator & operator=(Animator &&) = delete; + +public: + Animator::Data data; private: - //! A reference to the Sprite sheet containing the animation frames. + //! A reference to the Sprite sheet containing. Sprite & spritesheet; - //! The maximum number of columns in the sprite sheet. - const int col; - - //! The maximum number of rows in the sprite sheet. - const int row; - - //! The current col being animated. - int curr_col = 0; + //! The maximum number of rows and columns inside the spritesheet + const uvec2 grid_size; - //! The current row being animated. - int curr_row = 0; - - Rect animator_rect; - - //TODO: Is this necessary? - //int fps; - -private: - //! AnimatorSystem adjust the private member parameters of Animator; - friend class AnimatorSystem; - - //! SDLContext reads the Animator member var's - friend class SDLContext; + //! Uses the spritesheet + friend AnimatorSystem; }; + } // namespace crepe -// diff --git a/src/crepe/api/AssetManager.cpp b/src/crepe/api/AssetManager.cpp deleted file mode 100644 index 3925758..0000000 --- a/src/crepe/api/AssetManager.cpp +++ /dev/null @@ -1,17 +0,0 @@ -#include "util/Log.h" - -#include "AssetManager.h" - -using namespace crepe; - -AssetManager & AssetManager::get_instance() { - static AssetManager instance; - return instance; -} - -AssetManager::~AssetManager() { - dbg_trace(); - this->asset_cache.clear(); -} - -AssetManager::AssetManager() { dbg_trace(); } diff --git a/src/crepe/api/AssetManager.h b/src/crepe/api/AssetManager.h deleted file mode 100644 index fee6780..0000000 --- a/src/crepe/api/AssetManager.h +++ /dev/null @@ -1,62 +0,0 @@ -#pragma once - -#include <any> -#include <memory> -#include <string> -#include <unordered_map> - -namespace crepe { - -/** - * \brief The AssetManager is responsible for storing and managing assets over multiple scenes. - * - * The AssetManager ensures that assets are loaded once and can be accessed across different - * scenes. It caches assets to avoid reloading them every time a scene is loaded. Assets are - * retained in memory until the AssetManager is destroyed, at which point the cached assets are - * cleared. - */ -class AssetManager { - -private: - //! A cache that holds all the assets, accessible by their file path, over multiple scenes. - std::unordered_map<std::string, std::any> asset_cache; - -private: - AssetManager(); - virtual ~AssetManager(); - -public: - AssetManager(const AssetManager &) = delete; - AssetManager(AssetManager &&) = delete; - AssetManager & operator=(const AssetManager &) = delete; - AssetManager & operator=(AssetManager &&) = delete; - - /** - * \brief Retrieves the singleton instance of the AssetManager. - * - * \return A reference to the single instance of the AssetManager. - */ - static AssetManager & get_instance(); - -public: - /** - * \brief Caches an asset by loading it from the given file path. - * - * \param file_path The path to the asset file to load. - * \param reload If true, the asset will be reloaded from the file, even if it is already - * cached. - * \tparam T The type of asset to cache (e.g., texture, sound, etc.). - * - * \return A shared pointer to the cached asset. - * - * This template function caches the asset at the given file path. If the asset is already - * cached and `reload` is false, the existing cached version will be returned. Otherwise, the - * asset will be reloaded and added to the cache. - */ - template <typename T> - std::shared_ptr<T> cache(const std::string & file_path, bool reload = false); -}; - -} // namespace crepe - -#include "AssetManager.hpp" diff --git a/src/crepe/api/AssetManager.hpp b/src/crepe/api/AssetManager.hpp deleted file mode 100644 index 1c0e978..0000000 --- a/src/crepe/api/AssetManager.hpp +++ /dev/null @@ -1,22 +0,0 @@ -#pragma once - -#include "AssetManager.h" - -namespace crepe { - -template <typename asset> -std::shared_ptr<asset> AssetManager::cache(const std::string & file_path, bool reload) { - auto it = asset_cache.find(file_path); - - if (!reload && it != asset_cache.end()) { - return std::any_cast<std::shared_ptr<asset>>(it->second); - } - - std::shared_ptr<asset> new_asset = std::make_shared<asset>(file_path.c_str()); - - asset_cache[file_path] = new_asset; - - return new_asset; -} - -} // namespace crepe diff --git a/src/crepe/api/AudioSource.cpp b/src/crepe/api/AudioSource.cpp new file mode 100644 index 0000000..7b05cb1 --- /dev/null +++ b/src/crepe/api/AudioSource.cpp @@ -0,0 +1,15 @@ +#include "AudioSource.h" + +using namespace crepe; +using namespace std; + +AudioSource::AudioSource(game_object_id_t id, const Asset & src) + : Component(id), + source(src) {} + +void AudioSource::play(bool looping) { + this->loop = looping; + this->oneshot_play = true; +} + +void AudioSource::stop() { this->oneshot_stop = true; } diff --git a/src/crepe/api/AudioSource.h b/src/crepe/api/AudioSource.h new file mode 100644 index 0000000..b20e490 --- /dev/null +++ b/src/crepe/api/AudioSource.h @@ -0,0 +1,74 @@ +#pragma once + +#include "../Component.h" +#include "../facade/SoundHandle.h" +#include "../types.h" + +#include "Asset.h" +#include "GameObject.h" + +namespace crepe { + +class AudioSystem; + +//! Audio source component +class AudioSource : public Component { + //! AudioSource components are handled by AudioSystem + friend class AudioSystem; + +protected: + /** + * \param source Sound sample to load + */ + AudioSource(game_object_id_t id, const Asset & source); + //! Only ComponentManager creates components + friend class ComponentManager; + +public: + // std::unique_ptr needs to be able to destoy this component + virtual ~AudioSource() = default; + +public: + //! Start this audio source + void play(bool looping = false); + //! Stop this audio source + void stop(); + +public: + //! Play when this component becomes active + bool play_on_awake = false; + //! Repeat the current audio clip during playback + bool loop = false; + //! Normalized volume (0.0 - 1.0) + float volume = 1.0; + +private: + //! This audio source's clip + const Asset source; + + /** + * \name One-shot state variables + * + * These variables trigger function calls when set to true, and are unconditionally reset on + * every system update. + * + * \{ + */ + //! Play this sample + bool oneshot_play = false; + //! Stop this sample + bool oneshot_stop = false; + //! \} + /** + * \name State diffing variables + * \{ + */ + typeof(active) last_active = false; + typeof(volume) last_volume = volume; + typeof(loop) last_loop = loop; + //! \} + //! This source's voice handle + SoundHandle voice{}; +}; + +} // namespace crepe diff --git a/src/crepe/api/BehaviorScript.cpp b/src/crepe/api/BehaviorScript.cpp index 7bbace0..af7572c 100644 --- a/src/crepe/api/BehaviorScript.cpp +++ b/src/crepe/api/BehaviorScript.cpp @@ -4,12 +4,12 @@ using namespace crepe; -BehaviorScript::BehaviorScript(game_object_id_t id, ComponentManager & mgr) +BehaviorScript::BehaviorScript(game_object_id_t id, Mediator & mediator) : Component(id), - component_manager(mgr) {} + mediator(mediator) {} template <> BehaviorScript & GameObject::add_component<BehaviorScript>() { - ComponentManager & mgr = this->component_manager; - return mgr.add_component<BehaviorScript>(this->id, mgr); + ComponentManager & mgr = this->mediator.component_manager; + return mgr.add_component<BehaviorScript>(this->id, this->mediator); } diff --git a/src/crepe/api/BehaviorScript.h b/src/crepe/api/BehaviorScript.h index d556fe5..3909b96 100644 --- a/src/crepe/api/BehaviorScript.h +++ b/src/crepe/api/BehaviorScript.h @@ -23,14 +23,13 @@ class BehaviorScript : public Component { protected: /** * \param id Parent \c GameObject id - * \param component_manager Reference to component manager (passed through to \c Script - * instance) + * \param mediator Mediator reference * * \note Calls to this constructor (should) always pass through \c GameObject::add_component, * which has an exception for this specific component type. This was done so the user does * not have to pass references used within \c Script to each \c BehaviorScript instance. */ - BehaviorScript(game_object_id_t id, ComponentManager & component_manager); + BehaviorScript(game_object_id_t id, Mediator & mediator); //! Only ComponentManager is allowed to instantiate BehaviorScript friend class ComponentManager; @@ -55,8 +54,8 @@ protected: friend class ScriptSystem; protected: - //! Reference to component manager (passed to Script) - ComponentManager & component_manager; + //! Reference mediator + Mediator & mediator; }; /** diff --git a/src/crepe/api/BehaviorScript.hpp b/src/crepe/api/BehaviorScript.hpp index bd59337..353d5e2 100644 --- a/src/crepe/api/BehaviorScript.hpp +++ b/src/crepe/api/BehaviorScript.hpp @@ -2,8 +2,6 @@ #include <type_traits> -#include "../util/Log.h" - #include "BehaviorScript.h" #include "Script.h" @@ -11,16 +9,13 @@ namespace crepe { template <class T, typename... Args> BehaviorScript & BehaviorScript::set_script(Args &&... args) { - dbg_trace(); static_assert(std::is_base_of<Script, T>::value); - Script * s = new T(std::forward<Args>(args)...); + this->script = std::unique_ptr<Script>(new T(std::forward<Args>(args)...)); - s->game_object_id = this->game_object_id; - s->active = this->active; - s->component_manager = this->component_manager; - s->event_manager = EventManager::get_instance(); + this->script->game_object_id = this->game_object_id; + this->script->active = this->active; + this->script->mediator = this->mediator; - this->script = std::unique_ptr<Script>(s); return *this; } diff --git a/src/crepe/api/BoxCollider.cpp b/src/crepe/api/BoxCollider.cpp new file mode 100644 index 0000000..a893d41 --- /dev/null +++ b/src/crepe/api/BoxCollider.cpp @@ -0,0 +1,10 @@ +#include "BoxCollider.h" + +#include "../Collider.h" + +using namespace crepe; + +BoxCollider::BoxCollider(game_object_id_t game_object_id, const vec2 & dimensions, + const vec2 & offset) + : Collider(game_object_id, offset), + dimensions(dimensions) {} diff --git a/src/crepe/api/BoxCollider.h b/src/crepe/api/BoxCollider.h new file mode 100644 index 0000000..d643e7f --- /dev/null +++ b/src/crepe/api/BoxCollider.h @@ -0,0 +1,23 @@ +#pragma once + +#include "../Collider.h" +#include "Vector2.h" +#include "types.h" + +namespace crepe { + +/** + * \brief A class representing a box-shaped collider. + * + * This class is used for collision detection with other colliders (e.g., CircleCollider). + */ +class BoxCollider : public Collider { +public: + BoxCollider(game_object_id_t game_object_id, const vec2 & dimensions, + const vec2 & offset = {0, 0}); + + //! Width and height of the box collider + vec2 dimensions; +}; + +} // namespace crepe diff --git a/src/crepe/api/Button.cpp b/src/crepe/api/Button.cpp new file mode 100644 index 0000000..40153c9 --- /dev/null +++ b/src/crepe/api/Button.cpp @@ -0,0 +1,8 @@ +#include "Button.h" + +namespace crepe { + +Button::Button(game_object_id_t id, const vec2 & dimensions, const vec2 & offset) + : UIObject(id, dimensions, offset) {} + +} // namespace crepe diff --git a/src/crepe/api/Button.h b/src/crepe/api/Button.h new file mode 100644 index 0000000..d42527e --- /dev/null +++ b/src/crepe/api/Button.h @@ -0,0 +1,48 @@ +#pragma once + +#include <functional> + +#include "Event.h" +#include "UIObject.h" + +namespace crepe { + +/** + * \brief Button component. + * + * This component creates a clickable surface at the transform location with the specified width and height. + * + * The Button can be used in scripts by subscribing a EventHandler to the following events: + * - ButtonPressEvent + * - ButtonEnterEvent + * - ButtonExitEvent + * \see EventManager + * + */ +class Button : public UIObject { +public: + /** + * \brief Constructs a Button with the specified game object ID and dimensions. + * + * \param id The unique ID of the game object associated with this button. + * \param dimensions The width and height of the UIObject + * \param offset The offset relative this GameObjects Transform + */ + Button(game_object_id_t id, const vec2 & dimensions, const vec2 & offset); + /** + * \brief Get the maximum number of instances for this component + * + * Since the button Event transfers the GameObject Metadata it will be the same for each button so only one button is allowed per GameObject + * + * \return 1 + */ + virtual int get_instances_max() const { return 1; } + +private: + //! friend relation hover variable + friend class InputSystem; + //! Indicates whether the mouse is currently hovering over the button + bool hover = false; +}; + +} // namespace crepe diff --git a/src/crepe/api/CMakeLists.txt b/src/crepe/api/CMakeLists.txt index 602ab52..2bee3fb 100644 --- a/src/crepe/api/CMakeLists.txt +++ b/src/crepe/api/CMakeLists.txt @@ -1,34 +1,31 @@ target_sources(crepe PUBLIC - # AudioSource.cpp + AudioSource.cpp BehaviorScript.cpp GameObject.cpp Rigidbody.cpp ParticleEmitter.cpp Transform.cpp Color.cpp - Texture.cpp - AssetManager.cpp Sprite.cpp - SaveManager.cpp Config.cpp Metadata.cpp - Scene.cpp - SceneManager.cpp - Vector2.cpp Camera.cpp Animator.cpp - EventManager.cpp - IKeyListener.cpp - IMouseListener.cpp - LoopManager.cpp - LoopTimer.cpp + BoxCollider.cpp + CircleCollider.cpp + Engine.cpp Asset.cpp EventHandler.cpp Script.cpp + Button.cpp + UIObject.cpp + AI.cpp + Text.cpp + Scene.cpp ) target_sources(crepe PUBLIC FILE_SET HEADERS FILES - # AudioSource.h + AudioSource.h BehaviorScript.h Config.h Script.h @@ -38,25 +35,23 @@ target_sources(crepe PUBLIC FILE_SET HEADERS FILES Rigidbody.h Sprite.h Vector2.h + Vector2.hpp Color.h - Texture.h - AssetManager.h - AssetManager.hpp - SaveManager.h Scene.h + Scene.hpp Metadata.h - SceneManager.h - SceneManager.hpp Camera.h Animator.h - EventManager.h - EventManager.hpp + BoxCollider.h + CircleCollider.h EventHandler.h EventHandler.hpp Event.h - IKeyListener.h - IMouseListener.h - LoopManager.h - LoopTimer.h + Engine.h + Engine.hpp Asset.h + Button.h + UIObject.h + AI.h + Text.h ) diff --git a/src/crepe/api/Camera.cpp b/src/crepe/api/Camera.cpp index 5835bdd..19a3296 100644 --- a/src/crepe/api/Camera.cpp +++ b/src/crepe/api/Camera.cpp @@ -1,14 +1,17 @@ -#include "util/Log.h" +#include "util/dbg.h" #include "Camera.h" -#include "Color.h" #include "Component.h" +#include "types.h" using namespace crepe; -Camera::Camera(game_object_id_t id, const Color & bg_color) +Camera::Camera(game_object_id_t id, const ivec2 & screen, const vec2 & viewport_size, + const Data & data) : Component(id), - bg_color(bg_color) { + screen(screen), + viewport_size(viewport_size), + data(data) { dbg_trace(); } diff --git a/src/crepe/api/Camera.h b/src/crepe/api/Camera.h index e0cda34..54d9a73 100644 --- a/src/crepe/api/Camera.h +++ b/src/crepe/api/Camera.h @@ -2,6 +2,7 @@ #include "Color.h" #include "Component.h" +#include "types.h" namespace crepe { @@ -13,40 +14,54 @@ namespace crepe { * position, and zoom level. It controls what part of the game world is visible on the screen. */ class Camera : public Component { +public: + struct Data { + /** + * \bg_color background color of the game + * + * This will make the background the same color as the given value. + */ + const Color bg_color = Color::BLACK; + + /** + * \zoom Zooming level of the game + * + * zoom = 1 --> no zoom. + * zoom < 1 --> zoom out + * zoom > 1 --> zoom in + */ + double zoom = 1; + + //! offset postion from the game object transform component + vec2 postion_offset; + }; public: /** * \brief Constructs a Camera with the specified ID and background color. * \param id Unique identifier for the camera component. - * \param bg_color Background color for the camera view. + * \param screen is the actual screen size in pixels + * \param viewport_size is the view of the world in game units + * \param data the camera component data */ - Camera(game_object_id_t id, const Color & bg_color); + Camera(game_object_id_t id, const ivec2 & screen, const vec2 & viewport_size, + const Camera::Data & data); ~Camera(); // dbg_trace only public: - //! Background color of the camera view. - Color bg_color; - - //! Aspect ratio height for the camera. - double aspect_height = 480; - - //! Aspect ratio width for the camera. - double aspect_width = 640; - - //! X-coordinate of the camera position. - double x = 0.0; + Camera::Data data; - //! Y-coordinate of the camera position. - double y = 0.0; + //! screen the display size in pixels ( output resolution ) + const ivec2 screen; - //! Zoom level of the camera view. - double zoom = 1.0; + //! viewport is the area of the world visible through the camera (in world units) + const vec2 viewport_size; public: /** * \brief Gets the maximum number of camera instances allowed. * \return Maximum instance count as an integer. */ - virtual int get_instances_max() const { return 10; } + virtual int get_instances_max() const { return 1; } }; } // namespace crepe diff --git a/src/crepe/api/CircleCollider.cpp b/src/crepe/api/CircleCollider.cpp new file mode 100644 index 0000000..90ab5e7 --- /dev/null +++ b/src/crepe/api/CircleCollider.cpp @@ -0,0 +1,8 @@ +#include "CircleCollider.h" + +using namespace crepe; + +CircleCollider::CircleCollider(game_object_id_t game_object_id, float radius, + const vec2 & offset) + : Collider(game_object_id, offset), + radius(radius) {} diff --git a/src/crepe/api/CircleCollider.h b/src/crepe/api/CircleCollider.h index e77a592..22da836 100644 --- a/src/crepe/api/CircleCollider.h +++ b/src/crepe/api/CircleCollider.h @@ -1,14 +1,23 @@ #pragma once + +#include "Vector2.h" + #include "../Collider.h" namespace crepe { +/** + * \brief A class representing a circle-shaped collider. + * + * This class is used for collision detection with other colliders (e.g., BoxCollider). + */ class CircleCollider : public Collider { public: - CircleCollider(game_object_id_t game_object_id, int radius) - : Collider(game_object_id), - radius(radius) {} - int radius; + CircleCollider(game_object_id_t game_object_id, float radius, + const vec2 & offset = {0, 0}); + + //! Radius of the circle collider. + float radius; }; } // namespace crepe diff --git a/src/crepe/api/Config.h b/src/crepe/api/Config.h index 13eabd1..6b9e3ca 100644 --- a/src/crepe/api/Config.h +++ b/src/crepe/api/Config.h @@ -1,7 +1,11 @@ #pragma once +#include <string> + #include "../util/Log.h" +#include "types.h" + namespace crepe { /** @@ -11,21 +15,10 @@ namespace crepe { * modified *before* execution is handed over from the game programmer to the engine (i.e. the * main loop is started). */ -class Config { -public: +struct Config final { //! Retrieve handle to global Config instance static Config & get_instance(); -private: - Config() = default; - - // singleton - Config(const Config &) = delete; - Config(Config &&) = delete; - Config & operator=(const Config &) = delete; - Config & operator=(Config &&) = delete; - -public: //! Logging-related settings struct { /** @@ -60,9 +53,16 @@ public: * * Gravity value of game. */ - double gravity = 1; + float gravity = 10; } physics; + //! default window settings + struct { + //! default screen size in pixels + ivec2 default_size = {1280, 720}; + std::string window_title = "Jetpack joyride clone"; + } window_settings; + //! Asset loading options struct { /** @@ -76,6 +76,28 @@ public: */ std::string root_pattern = ".crepe-root"; } asset; + //! Default font options + struct { + /** + * \brief Default font size + * + * Using the SDL_ttf library the font size needs to be set when loading the font. + * This config option is the font size at which all fonts will be loaded initially. + * + */ + unsigned int size = 16; + } font; + //! Configuration for click tolerance. + struct { + //! The maximum number of pixels the mouse can move between MouseDown and MouseUp events to be considered a click. + int click_tolerance = 5; + } input; + + //! Audio system settings + struct { + //! Max amount of simultanious voices + unsigned int voices = 32; + } audio; }; } // namespace crepe diff --git a/src/crepe/api/Engine.cpp b/src/crepe/api/Engine.cpp new file mode 100644 index 0000000..2e9d35a --- /dev/null +++ b/src/crepe/api/Engine.cpp @@ -0,0 +1,63 @@ +#include "../util/Log.h" + +#include "Engine.h" + +using namespace crepe; +using namespace std; + +int Engine::main() noexcept { + try { + this->setup(); + } catch (const exception & e) { + Log::logf(Log::Level::ERROR, "Uncaught exception in setup: {}\n", e.what()); + return EXIT_FAILURE; + } + + try { + this->loop(); + } catch (const exception & e) { + Log::logf(Log::Level::ERROR, "Uncaught exception in main loop: {}\n", e.what()); + this->event_manager.trigger_event<ShutDownEvent>(); + } + + return EXIT_SUCCESS; +} + +void Engine::setup() { + this->loop_timer.start(); + this->scene_manager.load_next_scene(); + + this->event_manager.subscribe<ShutDownEvent>([this](const ShutDownEvent & event) { + this->game_running = false; + + // propagate to possible user ShutDownEvent listeners + return false; + }); +} + +void Engine::loop() { + LoopTimerManager & timer = this->loop_timer; + SystemManager & systems = this->system_manager; + + while (this->game_running) { + timer.update(); + + while (timer.get_lag() >= timer.get_fixed_delta_time()) { + try { + systems.fixed_update(); + } catch (const exception & e) { + Log::logf(Log::Level::WARNING, + "Uncaught exception in fixed update function: {}\n", e.what()); + } + timer.advance_fixed_elapsed_time(); + } + + try { + systems.frame_update(); + } catch (const exception & e) { + Log::logf(Log::Level::WARNING, "Uncaught exception in frame update function: {}\n", + e.what()); + } + timer.enforce_frame_rate(); + } +} diff --git a/src/crepe/api/Engine.h b/src/crepe/api/Engine.h new file mode 100644 index 0000000..700a0cd --- /dev/null +++ b/src/crepe/api/Engine.h @@ -0,0 +1,81 @@ +#pragma once + +#include "../facade/SDLContext.h" +#include "../manager/ComponentManager.h" +#include "../manager/EventManager.h" +#include "../manager/LoopTimerManager.h" +#include "../manager/ReplayManager.h" +#include "../manager/ResourceManager.h" +#include "../manager/SaveManager.h" +#include "../manager/SceneManager.h" +#include "../manager/SystemManager.h" + +namespace crepe { + +/** + * \brief Main game entrypoint + * + * This class is responsible for managing the game loop, including initialization and updating. + */ +class Engine { +public: + /** + * \brief Engine entrypoint + * + * This function is called by the game programmer after registering all scenes + * + * \returns process exit code + */ + int main() noexcept; + + //! \copydoc SceneManager::add_scene + template <typename T> + void add_scene(); + +private: + /** + * \brief Setup function for one-time initialization. + * + * This function initializes necessary components for the game. + */ + void setup(); + /** + * \brief Main game loop function. + * + * This function runs the main loop, handling game updates and rendering. + */ + void loop(); + + //! Game loop condition + bool game_running = true; + +private: + //! Global context + Mediator mediator; + + //! SystemManager + SystemManager system_manager{mediator}; + + //! SDLContext instance + SDLContext sdl_context{mediator}; + + //! Resource manager instance + ResourceManager resource_manager{mediator}; + + //! Component manager instance + ComponentManager component_manager{mediator}; + //! Scene manager instance + SceneManager scene_manager{mediator}; + //! LoopTimerManager instance + LoopTimerManager loop_timer{mediator}; + //! EventManager instance + EventManager event_manager{mediator}; + //! Save manager instance + SaveManager save_manager{mediator}; + //! ReplayManager instance + ReplayManager replay_manager{mediator}; +}; + +} // namespace crepe + +#include "Engine.hpp" diff --git a/src/crepe/api/Engine.hpp b/src/crepe/api/Engine.hpp new file mode 100644 index 0000000..f2fdc0a --- /dev/null +++ b/src/crepe/api/Engine.hpp @@ -0,0 +1,12 @@ +#pragma once + +#include "Engine.h" + +namespace crepe { + +template <class T> +void Engine::add_scene() { + this->scene_manager.add_scene<T>(); +} + +} // namespace crepe diff --git a/src/crepe/api/Event.h b/src/crepe/api/Event.h index b267e3e..8e38280 100644 --- a/src/crepe/api/Event.h +++ b/src/crepe/api/Event.h @@ -3,6 +3,8 @@ #include <string> +#include "types.h" + #include "KeyCodes.h" namespace crepe { @@ -38,11 +40,8 @@ public: */ class MousePressEvent : public Event { public: - //! X-coordinate of the mouse position at the time of the event. - int mouse_x = 0; - - //! Y-coordinate of the mouse position at the time of the event. - int mouse_y = 0; + //! mouse position in world coordinates (game units). + vec2 mouse_pos = {0, 0}; //! The mouse button that was pressed. MouseButton button = MouseButton::NONE; @@ -53,11 +52,8 @@ public: */ class MouseClickEvent : public Event { public: - //! X-coordinate of the mouse position at the time of the event. - int mouse_x = 0; - - //! Y-coordinate of the mouse position at the time of the event. - int mouse_y = 0; + //! mouse position in world coordinates (game units). + vec2 mouse_pos = {0, 0}; //! The mouse button that was clicked. MouseButton button = MouseButton::NONE; @@ -68,11 +64,8 @@ public: */ class MouseReleaseEvent : public Event { public: - //! X-coordinate of the mouse position at the time of the event. - int mouse_x = 0; - - //! Y-coordinate of the mouse position at the time of the event. - int mouse_y = 0; + //! mouse position in world coordinates (game units). + vec2 mouse_pos = {0, 0}; //! The mouse button that was released. MouseButton button = MouseButton::NONE; @@ -83,30 +76,79 @@ public: */ class MouseMoveEvent : public Event { public: - //! X-coordinate of the mouse position at the time of the event. - int mouse_x = 0; + //! mouse position in world coordinates (game units). + vec2 mouse_pos = {0, 0}; + //! The change in mouse position relative to the last position (in pixels). + ivec2 mouse_delta = {0, 0}; +}; - //! Y-coordinate of the mouse position at the time of the event. - int mouse_y = 0; +/** + * \brief Event triggered when the mouse is moved. + */ +class MouseScrollEvent : public Event { +public: + //! mouse position in world coordinates (game units) when the scroll happened. + vec2 mouse_pos = {0, 0}; + //! scroll direction (-1 = down, 1 = up) + int scroll_direction = 0; + //! scroll amount in y axis (from and away from the person). + float scroll_delta = 0; }; /** - * \brief Event triggered during a collision between objects. + * \brief Event triggered to indicate the application is shutting down. */ -class CollisionEvent : public Event {}; +class ShutDownEvent : public Event {}; /** - * \brief Event triggered when text is submitted, e.g., from a text input. + * \brief Event triggered to indicate the window is overlapped by another window. + * + * When two windows overlap the bottom window gets distorted and that window has to be redrawn. */ -class TextSubmitEvent : public Event { +class WindowExposeEvent : public Event {}; + +/** + * \brief Event triggered to indicate the window is resized. + */ +class WindowResizeEvent : public Event { public: - //! The submitted text. - std::string text = ""; + //! new window dimensions + ivec2 dimensions = {0, 0}; }; /** - * \brief Event triggered to indicate the application is shutting down. + * \brief Event triggered to indicate the window is moved. */ -class ShutDownEvent : public Event {}; +class WindowMoveEvent : public Event { +public: + //! The change in position relative to the last position (in pixels). + ivec2 delta_move = {0, 0}; +}; + +/** + * \brief Event triggered to indicate the window is minimized. + */ +class WindowMinimizeEvent : public Event {}; + +/** + * \brief Event triggered to indicate the window is maximized + */ +class WindowMaximizeEvent : public Event {}; + +/** + * \brief Event triggered to indicate the window gained focus + * + * This event is triggered when the window receives focus, meaning it becomes the active window + * for user interaction. + */ +class WindowFocusGainEvent : public Event {}; + +/** + * \brief Event triggered to indicate the window lost focus + * + * This event is triggered when the window loses focus, meaning it is no longer the active window + * for user interaction. + */ +class WindowFocusLostEvent : public Event {}; } // namespace crepe diff --git a/src/crepe/api/EventHandler.h b/src/crepe/api/EventHandler.h index ef659fd..7bb501b 100644 --- a/src/crepe/api/EventHandler.h +++ b/src/crepe/api/EventHandler.h @@ -8,12 +8,12 @@ namespace crepe { /** * \brief A type alias for an event handler function. - * - * The EventHandler is a std::function that takes an EventType reference and returns a boolean value + * + * The EventHandler is a std::function that takes an EventType reference and returns a boolean value * indicating whether the event is handled. - * + * * \tparam EventType The type of event this handler will handle. - * + * * Returning \c false from an event handler results in the event being propogated to other listeners for the same event type, while returning \c true stops propogation altogether. */ template <typename EventType> @@ -22,70 +22,70 @@ using EventHandler = std::function<bool(const EventType & e)>; /** * \class IEventHandlerWrapper * \brief An abstract base class for event handler wrappers. - * + * * This class provides the interface for handling events. Derived classes must implement the * `call()` method to process events */ class IEventHandlerWrapper { public: /** - * \brief Virtual destructor for IEventHandlerWrapper. - */ + * \brief Virtual destructor for IEventHandlerWrapper. + */ virtual ~IEventHandlerWrapper() = default; /** - * \brief Executes the handler with the given event. - * - * This method calls the `call()` method of the derived class, passing the event to the handler. - * - * \param e The event to be processed. - * \return A boolean value indicating whether the event is handled. - */ + * \brief Executes the handler with the given event. + * + * This method calls the `call()` method of the derived class, passing the event to the handler. + * + * \param e The event to be processed. + * \return A boolean value indicating whether the event is handled. + */ bool exec(const Event & e); private: /** - * \brief The method responsible for handling the event. - * - * This method is implemented by derived classes to process the event. - * - * \param e The event to be processed. - * \return A boolean value indicating whether the event is handled. - */ + * \brief The method responsible for handling the event. + * + * This method is implemented by derived classes to process the event. + * + * \param e The event to be processed. + * \return A boolean value indicating whether the event is handled. + */ virtual bool call(const Event & e) = 0; }; /** * \class EventHandlerWrapper * \brief A wrapper for event handler functions. - * - * This class wraps an event handler function of a specific event type. It implements the - * `call()` and `get_type()` methods to allow the handler to be executed and its type to be + * + * This class wraps an event handler function of a specific event type. It implements the + * `call()` and `get_type()` methods to allow the handler to be executed and its type to be * queried. - * + * * \tparam EventType The type of event this handler will handle. */ template <typename EventType> class EventHandlerWrapper : public IEventHandlerWrapper { public: /** - * \brief Constructs an EventHandlerWrapper with a given handler. - * - * The constructor takes an event handler function and stores it in the wrapper. - * - * \param handler The event handler function. - */ + * \brief Constructs an EventHandlerWrapper with a given handler. + * + * The constructor takes an event handler function and stores it in the wrapper. + * + * \param handler The event handler function. + */ explicit EventHandlerWrapper(const EventHandler<EventType> & handler); private: /** - * \brief Calls the stored event handler with the event. - * - * This method casts the event to the appropriate type and calls the handler. - * - * \param e The event to be handled. - * \return A boolean value indicating whether the event is handled. - */ + * \brief Calls the stored event handler with the event. + * + * This method casts the event to the appropriate type and calls the handler. + * + * \param e The event to be handled. + * \return A boolean value indicating whether the event is handled. + */ bool call(const Event & e) override; //! The event handler function. EventHandler<EventType> handler; diff --git a/src/crepe/api/EventHandler.hpp b/src/crepe/api/EventHandler.hpp index 391dcca..050e57e 100644 --- a/src/crepe/api/EventHandler.hpp +++ b/src/crepe/api/EventHandler.hpp @@ -1,3 +1,5 @@ +#pragma once + #include <typeindex> #include "EventHandler.h" diff --git a/src/crepe/api/GameObject.cpp b/src/crepe/api/GameObject.cpp index 4874426..9b94cad 100644 --- a/src/crepe/api/GameObject.cpp +++ b/src/crepe/api/GameObject.cpp @@ -7,20 +7,17 @@ using namespace crepe; using namespace std; -GameObject::GameObject(ComponentManager & component_manager, game_object_id_t id, - const std::string & name, const std::string & tag, - const Vector2 & position, double rotation, double scale) +GameObject::GameObject(Mediator & mediator, game_object_id_t id, const std::string & name, + const std::string & tag, const vec2 & position, double rotation, + double scale) : id(id), - component_manager(component_manager) { - - // Add Transform and Metadata components - ComponentManager & mgr = this->component_manager; - mgr.add_component<Transform>(this->id, position, rotation, scale); - mgr.add_component<Metadata>(this->id, name, tag); -} + mediator(mediator), + transform(mediator.component_manager->add_component<Transform>(this->id, position, + rotation, scale)), + metadata(mediator.component_manager->add_component<Metadata>(this->id, name, tag)) {} void GameObject::set_parent(const GameObject & parent) { - ComponentManager & mgr = this->component_manager; + ComponentManager & mgr = this->mediator.component_manager; // Set parent on own Metadata component RefVector<Metadata> this_metadata = mgr.get_components_by_id<Metadata>(this->id); @@ -30,3 +27,9 @@ void GameObject::set_parent(const GameObject & parent) { RefVector<Metadata> parent_metadata = mgr.get_components_by_id<Metadata>(parent.id); parent_metadata.at(0).get().children.push_back(this->id); } + +void GameObject::set_persistent(bool persistent) { + ComponentManager & mgr = this->mediator.component_manager; + + mgr.set_persistent(this->id, persistent); +} diff --git a/src/crepe/api/GameObject.h b/src/crepe/api/GameObject.h index 34ef8bb..572ce3a 100644 --- a/src/crepe/api/GameObject.h +++ b/src/crepe/api/GameObject.h @@ -2,16 +2,17 @@ #include <string> -#include "Vector2.h" #include "types.h" namespace crepe { -class ComponentManager; +class Mediator; +class Transform; +class Metadata; /** * \brief Represents a GameObject - * + * * This class represents a GameObject. The GameObject class is only used as an interface for * the game programmer. The actual implementation is done in the ComponentManager. */ @@ -20,8 +21,8 @@ private: /** * This constructor creates a new GameObject. It creates a new Transform and Metadata * component and adds them to the ComponentManager. - * - * \param component_manager Reference to component_manager + * + * \param mediator Reference to mediator * \param id The id of the GameObject * \param name The name of the GameObject * \param tag The tag of the GameObject @@ -29,29 +30,36 @@ private: * \param rotation The rotation of the GameObject * \param scale The scale of the GameObject */ - GameObject(ComponentManager & component_manager, game_object_id_t id, - const std::string & name, const std::string & tag, const Vector2 & position, - double rotation, double scale); + GameObject(Mediator & mediator, game_object_id_t id, const std::string & name, + const std::string & tag, const vec2 & position, double rotation, double scale); //! ComponentManager instances GameObject friend class ComponentManager; public: + //! The id of the GameObject + const game_object_id_t id; + //! This entity's transform + Transform & transform; + //! This entity's metadata + Metadata & metadata; + +public: /** * \brief Set the parent of this GameObject - * + * * This method sets the parent of this GameObject. It sets the parent in the Metadata * component of this GameObject and adds this GameObject to the children list of the parent * GameObject. - * + * * \param parent The parent GameObject */ void set_parent(const GameObject & parent); /** * \brief Add a component to the GameObject - * + * * This method adds a component to the GameObject. It forwards the arguments to the * ComponentManager. - * + * * \tparam T The type of the component * \tparam Args The types of the arguments * \param args The arguments to create the component @@ -59,13 +67,18 @@ public: */ template <typename T, typename... Args> T & add_component(Args &&... args); - -public: - //! The id of the GameObject - const game_object_id_t id; + /** + * \brief Components will not be deleted if this method is called + * + * This method sets the persistent flag of the GameObject to true. If the persistent + * flag is set to true, the GameObject will not be deleted when the scene is changed. + * + * \param persistent The persistent flag + */ + void set_persistent(bool persistent = true); protected: - ComponentManager & component_manager; + Mediator & mediator; }; } // namespace crepe diff --git a/src/crepe/api/GameObject.hpp b/src/crepe/api/GameObject.hpp index 17b17d7..69f7d73 100644 --- a/src/crepe/api/GameObject.hpp +++ b/src/crepe/api/GameObject.hpp @@ -1,6 +1,6 @@ #pragma once -#include "../ComponentManager.h" +#include "../manager/ComponentManager.h" #include "GameObject.h" @@ -8,7 +8,7 @@ namespace crepe { template <typename T, typename... Args> T & GameObject::add_component(Args &&... args) { - ComponentManager & mgr = this->component_manager; + ComponentManager & mgr = this->mediator.component_manager; return mgr.add_component<T>(this->id, std::forward<Args>(args)...); } diff --git a/src/crepe/api/IKeyListener.cpp b/src/crepe/api/IKeyListener.cpp deleted file mode 100644 index 8642655..0000000 --- a/src/crepe/api/IKeyListener.cpp +++ /dev/null @@ -1,19 +0,0 @@ -#include "IKeyListener.h" - -using namespace crepe; - -// Constructor with specified channel -IKeyListener::IKeyListener(event_channel_t channel) - : event_manager(EventManager::get_instance()) { - this->press_id = event_manager.subscribe<KeyPressEvent>( - [this](const KeyPressEvent & event) { return this->on_key_pressed(event); }, channel); - this->release_id = event_manager.subscribe<KeyReleaseEvent>( - [this](const KeyReleaseEvent & event) { return this->on_key_released(event); }, - channel); -} - -// Destructor, unsubscribe events -IKeyListener::~IKeyListener() { - event_manager.unsubscribe(this->press_id); - event_manager.unsubscribe(this->release_id); -} diff --git a/src/crepe/api/IKeyListener.h b/src/crepe/api/IKeyListener.h deleted file mode 100644 index 328a4c2..0000000 --- a/src/crepe/api/IKeyListener.h +++ /dev/null @@ -1,49 +0,0 @@ -#pragma once - -#include "Event.h" -#include "EventHandler.h" -#include "EventManager.h" - -namespace crepe { - -/** - * \class IKeyListener - * \brief Interface for keyboard event handling in the application. - */ -class IKeyListener { -public: - /** - * \brief Constructs an IKeyListener with a specified channel. - * \param channel The channel ID for event handling. - */ - IKeyListener(event_channel_t channel = EventManager::CHANNEL_ALL); - virtual ~IKeyListener(); - IKeyListener(const IKeyListener &) = delete; - IKeyListener & operator=(const IKeyListener &) = delete; - IKeyListener & operator=(IKeyListener &&) = delete; - IKeyListener(IKeyListener &&) = delete; - - /** - * \brief Pure virtual function to handle key press events. - * \param event The key press event to handle. - * \return True if the event was handled, false otherwise. - */ - virtual bool on_key_pressed(const KeyPressEvent & event) = 0; - - /** - * \brief Pure virtual function to handle key release events. - * \param event The key release event to handle. - * \return True if the event was handled, false otherwise. - */ - virtual bool on_key_released(const KeyReleaseEvent & event) = 0; - -private: - //! Key press event id - subscription_t press_id = -1; - //! Key release event id - subscription_t release_id = -1; - //! EventManager reference - EventManager & event_manager; -}; - -} // namespace crepe diff --git a/src/crepe/api/IMouseListener.cpp b/src/crepe/api/IMouseListener.cpp deleted file mode 100644 index 989aeb3..0000000 --- a/src/crepe/api/IMouseListener.cpp +++ /dev/null @@ -1,29 +0,0 @@ -#include "IMouseListener.h" - -using namespace crepe; - -IMouseListener::IMouseListener(event_channel_t channel) - : event_manager(EventManager::get_instance()) { - this->click_id = event_manager.subscribe<MouseClickEvent>( - [this](const MouseClickEvent & event) { return this->on_mouse_clicked(event); }, - channel); - - this->press_id = event_manager.subscribe<MousePressEvent>( - [this](const MousePressEvent & event) { return this->on_mouse_pressed(event); }, - channel); - - this->release_id = event_manager.subscribe<MouseReleaseEvent>( - [this](const MouseReleaseEvent & event) { return this->on_mouse_released(event); }, - channel); - - this->move_id = event_manager.subscribe<MouseMoveEvent>( - [this](const MouseMoveEvent & event) { return this->on_mouse_moved(event); }, channel); -} - -IMouseListener::~IMouseListener() { - // Unsubscribe event handlers - event_manager.unsubscribe(this->click_id); - event_manager.unsubscribe(this->press_id); - event_manager.unsubscribe(this->release_id); - event_manager.unsubscribe(this->move_id); -} diff --git a/src/crepe/api/IMouseListener.h b/src/crepe/api/IMouseListener.h deleted file mode 100644 index 15e1619..0000000 --- a/src/crepe/api/IMouseListener.h +++ /dev/null @@ -1,72 +0,0 @@ -#pragma once - -#include "Event.h" -#include "EventHandler.h" -#include "EventManager.h" - -namespace crepe { - -/** - * \class IMouseListener - * \brief Interface for mouse event handling in the application. - */ -class IMouseListener { -public: - /** - * \brief Constructs an IMouseListener with a specified channel. - * \param channel The channel ID for event handling. - */ - IMouseListener(event_channel_t channel = EventManager::CHANNEL_ALL); - virtual ~IMouseListener(); - IMouseListener & operator=(const IMouseListener &) = delete; - IMouseListener(const IMouseListener &) = delete; - IMouseListener & operator=(const IMouseListener &&) = delete; - IMouseListener(IMouseListener &&) = delete; - - /** - * \brief Move assignment operator (deleted). - */ - IMouseListener & operator=(IMouseListener &&) = delete; - - /** - * \brief Handles a mouse click event. - * \param event The mouse click event to handle. - * \return True if the event was handled, false otherwise. - */ - virtual bool on_mouse_clicked(const MouseClickEvent & event) = 0; - - /** - * \brief Handles a mouse press event. - * \param event The mouse press event to handle. - * \return True if the event was handled, false otherwise. - */ - virtual bool on_mouse_pressed(const MousePressEvent & event) = 0; - - /** - * \brief Handles a mouse release event. - * \param event The mouse release event to handle. - * \return True if the event was handled, false otherwise. - */ - virtual bool on_mouse_released(const MouseReleaseEvent & event) = 0; - - /** - * \brief Handles a mouse move event. - * \param event The mouse move event to handle. - * \return True if the event was handled, false otherwise. - */ - virtual bool on_mouse_moved(const MouseMoveEvent & event) = 0; - -private: - //! Mouse click event id - subscription_t click_id = -1; - //! Mouse press event id - subscription_t press_id = -1; - //! Mouse release event id - subscription_t release_id = -1; - //! Mouse move event id - subscription_t move_id = -1; - //! EventManager reference - EventManager & event_manager; -}; - -} //namespace crepe diff --git a/src/crepe/api/KeyCodes.h b/src/crepe/api/KeyCodes.h index 9e173e0..1b9573a 100644 --- a/src/crepe/api/KeyCodes.h +++ b/src/crepe/api/KeyCodes.h @@ -1,5 +1,9 @@ #pragma once +#include <unordered_map> + +namespace crepe { + //! Enumeration for mouse button inputs, including standard and extended buttons. enum class MouseButton { NONE = 0, //!< No mouse button input. @@ -85,9 +89,9 @@ enum class Keycode { PRINT_SCREEN = 283, //!< Print Screen key. PAUSE = 284, //!< Pause key. /** - * \name Function keys (F1-F25). - * \{ - */ + * \name Function keys (F1-F25). + * \{ + */ F1 = 290, F2 = 291, F3 = 292, @@ -115,9 +119,9 @@ enum class Keycode { F25 = 314, /// \} /** - * \name Keypad digits and operators. - * \{ - */ + * \name Keypad digits and operators. + * \{ + */ KP0 = 320, KP1 = 321, KP2 = 322, @@ -137,9 +141,9 @@ enum class Keycode { KP_EQUAL = 336, /// \} /** - * \name Modifier keys. - * \{ - */ + * \name Modifier keys. + * \{ + */ LEFT_SHIFT = 340, LEFT_CONTROL = 341, LEFT_ALT = 342, @@ -151,3 +155,6 @@ enum class Keycode { /// \} MENU = 348, //!< Menu key. }; +//! Typedef for keyboard state. +typedef std::unordered_map<Keycode, bool> keyboard_state_t; +} // namespace crepe diff --git a/src/crepe/api/LoopManager.cpp b/src/crepe/api/LoopManager.cpp deleted file mode 100644 index a64366f..0000000 --- a/src/crepe/api/LoopManager.cpp +++ /dev/null @@ -1,69 +0,0 @@ -#include "../facade/SDLContext.h" - -#include "../system/AnimatorSystem.h" -#include "../system/CollisionSystem.h" -#include "../system/ParticleSystem.h" -#include "../system/PhysicsSystem.h" -#include "../system/RenderSystem.h" -#include "../system/ScriptSystem.h" - -#include "LoopManager.h" -#include "LoopTimer.h" - -using namespace crepe; -using namespace std; - -LoopManager::LoopManager() { - this->load_system<AnimatorSystem>(); - this->load_system<CollisionSystem>(); - this->load_system<ParticleSystem>(); - this->load_system<PhysicsSystem>(); - this->load_system<RenderSystem>(); - this->load_system<ScriptSystem>(); -} - -void LoopManager::process_input() { - SDLContext::get_instance().handle_events(this->game_running); -} - -void LoopManager::start() { - this->setup(); - this->loop(); -} -void LoopManager::set_running(bool running) { this->game_running = running; } - -void LoopManager::fixed_update() {} - -void LoopManager::loop() { - LoopTimer & timer = LoopTimer::get_instance(); - timer.start(); - - while (game_running) { - timer.update(); - - while (timer.get_lag() >= timer.get_fixed_delta_time()) { - this->process_input(); - this->fixed_update(); - timer.advance_fixed_update(); - } - - this->update(); - this->render(); - - timer.enforce_frame_rate(); - } -} - -void LoopManager::setup() { - this->game_running = true; - LoopTimer::get_instance().start(); - LoopTimer::get_instance().set_fps(60); -} - -void LoopManager::render() { - if (this->game_running) { - this->get_system<RenderSystem>().update(); - } -} - -void LoopManager::update() { LoopTimer & timer = LoopTimer::get_instance(); } diff --git a/src/crepe/api/LoopManager.h b/src/crepe/api/LoopManager.h deleted file mode 100644 index 13e6dac..0000000 --- a/src/crepe/api/LoopManager.h +++ /dev/null @@ -1,119 +0,0 @@ -#pragma once - -#include <memory> - -#include "../ComponentManager.h" -#include "../system/System.h" -#include "api/SceneManager.h" - -namespace crepe { - -/** - * \brief Main game loop manager - * - * This class is responsible for managing the game loop, including initialization and updating. - */ -class LoopManager { -public: - void start(); - LoopManager(); - - /** - * \brief Add a new concrete scene to the scene manager - * - * \tparam T Type of concrete scene - */ - template <typename T> - void add_scene(); - -private: - /** - * \brief Setup function for one-time initialization. - * - * This function initializes necessary components for the game. - */ - void setup(); - /** - * \brief Main game loop function. - * - * This function runs the main loop, handling game updates and rendering. - */ - void loop(); - - /** - * \brief Function for handling input-related system calls. - * - * Processes user inputs from keyboard and mouse. - */ - void process_input(); - - /** - * \brief Per-frame update. - * - * Updates the game state based on the elapsed time since the last frame. - */ - void update(); - - /** - * \brief Late update which is called after update(). - * - * This function can be used for final adjustments before rendering. - */ - void late_update(); - - /** - * \brief Fixed update executed at a fixed rate. - * - * This function updates physics and game logic based on LoopTimer's fixed_delta_time. - */ - void fixed_update(); - - /** - * \brief Set game running variable - * - * \param running running (false = game shutdown, true = game running) - */ - void set_running(bool running); - - /** - * \brief Function for executing render-related systems. - * - * Renders the current state of the game to the screen. - */ - void render(); - - bool game_running = false; - -private: - //! Component manager instance - ComponentManager component_manager{}; - //! Scene manager instance - SceneManager scene_manager{component_manager}; - -private: - /** - * \brief Collection of System instances - * - * This map holds System instances indexed by the system's class typeid. It is filled in the - * constructor of \c LoopManager using LoopManager::load_system. - */ - std::unordered_map<std::type_index, std::unique_ptr<System>> systems; - /** - * \brief Initialize a system - * \tparam T System type (must be derivative of \c System) - */ - template <class T> - void load_system(); - /** - * \brief Retrieve a reference to ECS system - * \tparam T System type - * \returns Reference to system instance - * \throws std::runtime_error if the System is not initialized - */ - template <class T> - T & get_system(); -}; - -} // namespace crepe - -#include "LoopManager.hpp" diff --git a/src/crepe/api/LoopTimer.cpp b/src/crepe/api/LoopTimer.cpp deleted file mode 100644 index a9800b7..0000000 --- a/src/crepe/api/LoopTimer.cpp +++ /dev/null @@ -1,79 +0,0 @@ -#include <chrono> - -#include "../facade/SDLContext.h" -#include "../util/Log.h" - -#include "LoopTimer.h" - -using namespace crepe; - -LoopTimer::LoopTimer() { dbg_trace(); } - -LoopTimer & LoopTimer::get_instance() { - static LoopTimer instance; - return instance; -} - -void LoopTimer::start() { - this->last_frame_time = std::chrono::steady_clock::now(); - this->elapsed_time = std::chrono::milliseconds(0); - this->elapsed_fixed_time = std::chrono::milliseconds(0); - this->delta_time = std::chrono::milliseconds(0); -} - -void LoopTimer::update() { - auto current_frame_time = std::chrono::steady_clock::now(); - // Convert to duration in seconds for delta time - this->delta_time = std::chrono::duration_cast<std::chrono::duration<double>>( - current_frame_time - last_frame_time); - - if (this->delta_time > this->maximum_delta_time) { - this->delta_time = this->maximum_delta_time; - } - - this->delta_time *= this->game_scale; - this->elapsed_time += this->delta_time; - this->last_frame_time = current_frame_time; -} - -double LoopTimer::get_delta_time() const { return this->delta_time.count(); } - -double LoopTimer::get_current_time() const { return this->elapsed_time.count(); } - -void LoopTimer::advance_fixed_update() { this->elapsed_fixed_time += this->fixed_delta_time; } - -double LoopTimer::get_fixed_delta_time() const { return this->fixed_delta_time.count(); } - -void LoopTimer::set_fps(int fps) { - this->fps = fps; - // target time per frame in seconds - this->frame_target_time = std::chrono::seconds(1) / fps; -} - -int LoopTimer::get_fps() const { return this->fps; } - -void LoopTimer::set_game_scale(double value) { this->game_scale = value; } - -double LoopTimer::get_game_scale() const { return this->game_scale; } -void LoopTimer::enforce_frame_rate() { - std::chrono::steady_clock::time_point current_frame_time - = std::chrono::steady_clock::now(); - std::chrono::milliseconds frame_duration - = std::chrono::duration_cast<std::chrono::milliseconds>(current_frame_time - - this->last_frame_time); - - if (frame_duration < this->frame_target_time) { - std::chrono::milliseconds delay_time - = std::chrono::duration_cast<std::chrono::milliseconds>(this->frame_target_time - - frame_duration); - if (delay_time.count() > 0) { - SDLContext::get_instance().delay(delay_time.count()); - } - } - - this->last_frame_time = current_frame_time; -} - -double LoopTimer::get_lag() const { - return (this->elapsed_time - this->elapsed_fixed_time).count(); -} diff --git a/src/crepe/api/LoopTimer.h b/src/crepe/api/LoopTimer.h deleted file mode 100644 index f277d7b..0000000 --- a/src/crepe/api/LoopTimer.h +++ /dev/null @@ -1,144 +0,0 @@ -#pragma once - -#include <chrono> - -namespace crepe { - -class LoopTimer { -public: - /** - * \brief Get the singleton instance of LoopTimer. - * - * \return A reference to the LoopTimer instance. - */ - static LoopTimer & get_instance(); - - /** - * \brief Get the current delta time for the current frame. - * - * \return Delta time in seconds since the last frame. - */ - double get_delta_time() const; - - /** - * \brief Get the current game time. - * - * \note The current game time may vary from real-world elapsed time. It is the cumulative - * sum of each frame's delta time. - * - * \return Elapsed game time in seconds. - */ - double get_current_time() const; - - /** - * \brief Set the target frames per second (FPS). - * - * \param fps The desired frames rendered per second. - */ - void set_fps(int fps); - - /** - * \brief Get the current frames per second (FPS). - * - * \return Current FPS. - */ - int get_fps() const; - - /** - * \brief Get the current game scale. - * - * \return The current game scale, where 0 = paused, 1 = normal speed, and values > 1 speed - * up the game. - */ - double get_game_scale() const; - - /** - * \brief Set the game scale. - * - * \param game_scale The desired game scale (0 = pause, 1 = normal speed, > 1 = speed up). - */ - void set_game_scale(double game_scale); - -private: - friend class LoopManager; - - /** - * \brief Start the loop timer. - * - * Initializes the timer to begin tracking frame times. - */ - void start(); - - /** - * \brief Enforce the frame rate limit. - * - * Ensures that the game loop does not exceed the target FPS by delaying frame updates as - * necessary. - */ - void enforce_frame_rate(); - - /** - * \brief Get the fixed delta time for consistent updates. - * - * Fixed delta time is used for operations that require uniform time steps, such as physics - * calculations. - * - * \return Fixed delta time in seconds. - */ - double get_fixed_delta_time() const; - - /** - * \brief Get the accumulated lag in the game loop. - * - * Lag represents the difference between the target frame time and the actual frame time, - * useful for managing fixed update intervals. - * - * \return Accumulated lag in seconds. - */ - double get_lag() const; - - /** - * \brief Construct a new LoopTimer object. - * - * Private constructor for singleton pattern to restrict instantiation outside the class. - */ - LoopTimer(); - - /** - * \brief Update the timer to the current frame. - * - * Calculates and updates the delta time for the current frame and adds it to the cumulative - * game time. - */ - void update(); - - /** - * \brief Advance the game loop by a fixed update interval. - * - * This method progresses the game state by a consistent, fixed time step, allowing for - * stable updates independent of frame rate fluctuations. - */ - void advance_fixed_update(); - -private: - //! Current frames per second - int fps = 50; - //! Current game scale - double game_scale = 1; - //! Maximum delta time in seconds to avoid large jumps - std::chrono::duration<double> maximum_delta_time{0.25}; - //! Delta time for the current frame in seconds - std::chrono::duration<double> delta_time{0.0}; - //! Target time per frame in seconds - std::chrono::duration<double> frame_target_time = std::chrono::seconds(1) / fps; - //! Fixed delta time for fixed updates in seconds - std::chrono::duration<double> fixed_delta_time = std::chrono::seconds(1) / 50; - //! Total elapsed game time in seconds - std::chrono::duration<double> elapsed_time{0.0}; - //! Total elapsed time for fixed updates in seconds - std::chrono::duration<double> elapsed_fixed_time{0.0}; - //! Time of the last frame - std::chrono::steady_clock::time_point last_frame_time; -}; - -} // namespace crepe diff --git a/src/crepe/api/Metadata.h b/src/crepe/api/Metadata.h index 235d42f..f404703 100644 --- a/src/crepe/api/Metadata.h +++ b/src/crepe/api/Metadata.h @@ -9,7 +9,7 @@ namespace crepe { /** * \brief Metadata component - * + * * This class represents the Metadata component. It stores the name, tag, parent and children * of a GameObject. */ diff --git a/src/crepe/api/ParticleEmitter.cpp b/src/crepe/api/ParticleEmitter.cpp index 90b77a0..9a70334 100644 --- a/src/crepe/api/ParticleEmitter.cpp +++ b/src/crepe/api/ParticleEmitter.cpp @@ -1,11 +1,28 @@ #include "ParticleEmitter.h" +#include "api/Sprite.h" using namespace crepe; +using namespace std; -ParticleEmitter::ParticleEmitter(game_object_id_t game_object_id, const Data & data) +ParticleEmitter::ParticleEmitter(game_object_id_t game_object_id, const Sprite & sprite, + const Data & data) : Component(game_object_id), + sprite(sprite), data(data) { for (size_t i = 0; i < this->data.max_particles; i++) { - this->data.particles.emplace_back(); + this->particles.emplace_back(); } } + +unique_ptr<Component> ParticleEmitter::save() const { + return unique_ptr<Component>{new ParticleEmitter(*this)}; +} + +void ParticleEmitter::restore(const Component & snapshot) { + *this = static_cast<const ParticleEmitter &>(snapshot); +} + +ParticleEmitter & ParticleEmitter::operator=(const ParticleEmitter & other) { + this->particles = other.particles; + return *this; +} diff --git a/src/crepe/api/ParticleEmitter.h b/src/crepe/api/ParticleEmitter.h index 33112e1..1edd2b5 100644 --- a/src/crepe/api/ParticleEmitter.h +++ b/src/crepe/api/ParticleEmitter.h @@ -1,10 +1,14 @@ #pragma once +#include <cmath> #include <vector> +#include "system/ParticleSystem.h" +#include "system/RenderSystem.h" + #include "Component.h" #include "Particle.h" -#include "Vector2.h" +#include "types.h" namespace crepe { @@ -26,15 +30,18 @@ public: */ struct Boundary { //! boundary width (midpoint is emitter location) - double width = 0.0; + float width = INFINITY; //! boundary height (midpoint is emitter location) - double height = 0.0; + float height = INFINITY; //! boundary offset from particle emitter location - Vector2 offset; + vec2 offset; //! reset on exit or stop velocity and set max postion bool reset_on_exit = false; }; + //! sprite reference of displayed sprite + const Sprite & sprite; + /** * \brief Holds parameters that control particle emission. * @@ -42,32 +49,28 @@ public: * and the sprite used for rendering particles. */ struct Data { - //! position of the emitter - Vector2 position; + //! offset of the emitter relative to transform + vec2 offset; //! maximum number of particles - const unsigned int max_particles = 0; - //! rate of particle emission per update (Lowest value = 0.001 any lower is ignored) - double emission_rate = 0; + const unsigned int max_particles = 256; + //! rate of particle emission per second + float emission_rate = 50; //! min speed of the particles - double min_speed = 0; + float min_speed = 100; //! min speed of the particles - double max_speed = 0; + float max_speed = 100; //! min angle of particle emission - double min_angle = 0; + float min_angle = 0; //! max angle of particle emission - double max_angle = 0; - //! begin Lifespan of particle (only visual) - double begin_lifespan = 0.0; - //! end Lifespan of particle - double end_lifespan = 0.0; + float max_angle = 0; + //! begin Lifespan of particle in seconds (only visual) + float begin_lifespan = 0.0; + //! end Lifespan of particle in seconds + float end_lifespan = 10.0; //! force over time (physics) - Vector2 force_over_time; + vec2 force_over_time; //! particle boundary Boundary boundary; - //! collection of particles - std::vector<Particle> particles; - //! sprite reference - const Sprite & sprite; }; public: @@ -75,11 +78,27 @@ public: * \param game_object_id Identifier for the game object using this emitter. * \param data Configuration data defining particle properties. */ - ParticleEmitter(game_object_id_t game_object_id, const Data & data); + ParticleEmitter(game_object_id_t game_object_id, const Sprite & sprite, const Data & data); public: //! Configuration data for particle emission settings. Data data; + +protected: + virtual std::unique_ptr<Component> save() const; + ParticleEmitter(const ParticleEmitter &) = default; + virtual void restore(const Component & snapshot); + virtual ParticleEmitter & operator=(const ParticleEmitter &); + +private: + //! Only ParticleSystem can move and read particles + friend ParticleSystem; + //! Only RenderSystem can read particles + friend RenderSystem; + //! Saves time left over from last update event. + float spawn_accumulator = 0; + //! collection of particles + std::vector<Particle> particles; }; } // namespace crepe diff --git a/src/crepe/api/Rigidbody.cpp b/src/crepe/api/Rigidbody.cpp index 6b87695..8213afb 100644 --- a/src/crepe/api/Rigidbody.cpp +++ b/src/crepe/api/Rigidbody.cpp @@ -6,10 +6,8 @@ crepe::Rigidbody::Rigidbody(game_object_id_t id, const Data & data) : Component(id), data(data) {} -void crepe::Rigidbody::add_force_linear(const Vector2 & force) { +void crepe::Rigidbody::add_force_linear(const vec2 & force) { this->data.linear_velocity += force; } -void crepe::Rigidbody::add_force_angular(double force) { - this->data.angular_velocity += force; -} +void crepe::Rigidbody::add_force_angular(float force) { this->data.angular_velocity += force; } diff --git a/src/crepe/api/Rigidbody.h b/src/crepe/api/Rigidbody.h index 3e5c7a3..6900295 100644 --- a/src/crepe/api/Rigidbody.h +++ b/src/crepe/api/Rigidbody.h @@ -1,14 +1,17 @@ #pragma once +#include <cmath> +#include <set> + #include "../Component.h" -#include "Vector2.h" +#include "types.h" namespace crepe { /** * \brief Rigidbody class - * + * * This class is used by the physics sytem and collision system. It configures how to system * interact with the gameobject for movement and collisions. */ @@ -16,7 +19,7 @@ class Rigidbody : public Component { public: /** * \brief BodyType enum - * + * * This enum provides three bodytypes the physics sytem and collision system use. */ enum class BodyType { @@ -29,54 +32,118 @@ public: }; /** * \brief PhysicsConstraints to constrain movement - * + * * This struct configures the movement constraint for this object. If a constraint is enabled * the systems will not move the object. */ struct PhysicsConstraints { - //! X constraint + //! Prevent movement along X axis bool x = false; - //! Y constraint + //! Prevent movement along Y axis bool y = false; - //! rotation constraint + //! Prevent rotation bool rotation = false; }; public: - /** + /** * \brief struct for Rigidbody data - * + * * This struct holds the data for the Rigidbody. */ struct Data { //! objects mass - double mass = 0.0; - //! gravtiy scale - double gravity_scale = 0.0; - //! Changes if physics apply + float mass = 1; + /** + * \brief Gravity scale factor. + * + * The `gravity_scale` controls how much gravity affects the object. It is a multiplier applied to the default + * gravity force, allowing for fine-grained control over how the object responds to gravity. + * + */ + float gravity_scale = 0; + + //! Defines the type of the physics body, which determines how the physics system interacts with the object. BodyType body_type = BodyType::DYNAMIC; - //! linear velocity of object - Vector2 linear_velocity; - //! maximum linear velocity of object - Vector2 max_linear_velocity; - //! linear damping of object - Vector2 linear_damping; - //! angular velocity of object - double angular_velocity = 0.0; - //! max angular velocity of object - double max_angular_velocity = 0.0; - //! angular damping of object - double angular_damping = 0.0; - //! movements constraints of object + + /** + * \name Linear (positional) motion + * + * These variables define the linear motion (movement along the position) of an object. + * The linear velocity is applied to the object's position in each update of the PhysicsSystem. + * The motion is affected by the object's linear velocity, its maximum velocity, and a coefficient + * that can scale the velocity over time. + * + * \{ + */ + //! Linear velocity of the object (speed and direction). + vec2 linear_velocity; + //! Maximum linear velocity of the object. This limits the object's speed. + float max_linear_velocity = INFINITY; + //! Linear velocity coefficient. This scales the object's velocity for adjustment or damping. + vec2 linear_velocity_coefficient = {1, 1}; + //! \} + + /** + * \name Angular (rotational) motion + * + * These variables define the angular motion (rotation) of an object. + * The angular velocity determines how quickly the object rotates, while the maximum angular velocity + * sets a limit on the rotation speed. The angular velocity coefficient applies damping or scaling + * to the angular velocity, which can be used to simulate friction or other effects that slow down rotation. + * + * \{ + */ + //! Angular velocity of the object, representing the rate of rotation (in degrees). + float angular_velocity = 0; + //! Maximum angular velocity of the object. This limits the maximum rate of rotation. + float max_angular_velocity = INFINITY; + //! Angular velocity coefficient. This scales the object's angular velocity, typically used for damping. + float angular_velocity_coefficient = 1; + //! \} + + /** + * \brief Movement constraints for an object. + * + * The `PhysicsConstraints` struct defines the constraints that restrict an object's movement + * in certain directions or prevent rotation. These constraints effect only the physics system + * to prevent the object from moving or rotating in specified ways. + * + */ PhysicsConstraints constraints; - //! if gravity applies - bool use_gravity = true; - //! if object bounces - bool bounce = false; + + /** + * \brief Elasticity factor of the material (bounce factor). + * + * The `elasticity_coefficient` controls how much of the object's velocity is retained after a collision. + * It represents the material's ability to bounce or recover velocity upon impact. The coefficient is a value + * above 0.0. + * + */ + float elastisity_coefficient = 0.0; + + /** + * \brief Offset of all colliders relative to the object's transform position. + * + * The `offset` defines a positional shift applied to all colliders associated with the object, relative to the object's + * transform position. This allows for the colliders to be placed at a different position than the object's actual + * position, without modifying the object's transform itself. + * + */ + vec2 offset; + + /** + * \brief Defines the collision layers of a GameObject. + * + * The `collision_layers` specifies the layers that the GameObject will collide with. + * Each element represents a layer ID, and the GameObject will only detect + * collisions with other GameObjects that belong to these layers. + */ + std::set<int> collision_layers = {0}; }; public: - /** + /** * \param game_object_id id of the gameobject the rigibody is added to. * \param data struct to configure the rigidbody. */ @@ -85,18 +152,27 @@ public: Data data; public: - /** + /** * \brief add a linear force to the Rigidbody. - * + * * \param force Vector2 that is added to the linear force. */ - void add_force_linear(const Vector2 & force); - /** + void add_force_linear(const vec2 & force); + /** * \brief add a angular force to the Rigidbody. - * + * * \param force Vector2 that is added to the angular force. */ - void add_force_angular(double force); + void add_force_angular(float force); + +protected: + /** + * Ensures there is at most one Rigidbody component per entity. + * \return Always returns 1, indicating this constraint. + */ + virtual int get_instances_max() const { return 1; } + //! ComponentManager instantiates all components + friend class ComponentManager; }; } // namespace crepe diff --git a/src/crepe/api/Scene.cpp b/src/crepe/api/Scene.cpp index 849945e..ad729d2 100644 --- a/src/crepe/api/Scene.cpp +++ b/src/crepe/api/Scene.cpp @@ -2,4 +2,14 @@ using namespace crepe; -Scene::Scene(ComponentManager & mgr) : component_manager(mgr) {} +SaveManager & Scene::get_save_manager() const { return mediator->save_manager; } + +GameObject Scene::new_object(const std::string & name, const std::string & tag, + const vec2 & position, double rotation, double scale) { + // Forward the call to ComponentManager's new_object method + return mediator->component_manager->new_object(name, tag, position, rotation, scale); +} + +void Scene::set_persistent(const Asset & asset, bool persistent) { + mediator->resource_manager->set_persistent(asset, persistent); +} diff --git a/src/crepe/api/Scene.h b/src/crepe/api/Scene.h index 869bf6f..dcca9d4 100644 --- a/src/crepe/api/Scene.h +++ b/src/crepe/api/Scene.h @@ -2,24 +2,30 @@ #include <string> +#include "../manager/ComponentManager.h" +#include "../manager/Mediator.h" +#include "../manager/ResourceManager.h" +#include "../util/Log.h" +#include "../util/OptionalRef.h" + +#include "GameObject.h" + namespace crepe { class SceneManager; class ComponentManager; +class Asset; /** * \brief Represents a Scene - * + * * This class represents a Scene. The Scene class is only used as an interface for the game * programmer. */ class Scene { protected: - //TODO: Use Loek's custom reference class to set ComponentManger via SceneManager instead of via constructor - /** - * \param mgr Reference to the ComponentManager - */ - Scene(ComponentManager & mgr); + // NOTE: This must be the only constructor on Scene, see "Late references" below + Scene() = default; //! SceneManager instances Scene friend class SceneManager; @@ -35,9 +41,54 @@ public: */ virtual std::string get_name() const = 0; + // TODO: Late references should ALWAYS be private! This is currently kept as-is so unit tests + // keep passing, but this reference should not be directly accessible by the user!!! + +private: + /** + * \name Late references + * + * These references are set by SceneManager immediately after calling the constructor of Scene. + * + * \note Scene must have a constructor without arguments so the game programmer doesn't need to + * manually add `using Scene::Scene` to their concrete scene class, if they want to add a + * constructor with arguments (e.g. for passing references to their own concrete Scene classes). + * + * \{ + */ + //! Mediator reference + OptionalRef<Mediator> mediator; + //! \} + protected: - //! Reference to the ComponentManager - ComponentManager & component_manager; + /** + * \brief Retrieve the reference to the SaveManager instance + * + * \returns A reference to the SaveManager instance held by the Mediator. + */ + SaveManager & get_save_manager() const; + + //! \copydoc ComponentManager::new_object + GameObject new_object(const std::string & name, const std::string & tag = "", + const vec2 & position = {0, 0}, double rotation = 0, + double scale = 1); + + //! \copydoc ResourceManager::set_persistent + void set_persistent(const Asset & asset, bool persistent); + /** + * \name Logging functions + * \see Log + * \{ + */ + //! \copydoc Log::logf + template <class... Args> + void logf(const Log::Level & level, std::format_string<Args...> fmt, Args &&... args); + //! \copydoc Log::logf + template <class... Args> + void logf(std::format_string<Args...> fmt, Args &&... args); + //! \} }; } // namespace crepe + +#include "Scene.hpp" diff --git a/src/crepe/api/Scene.hpp b/src/crepe/api/Scene.hpp new file mode 100644 index 0000000..14635df --- /dev/null +++ b/src/crepe/api/Scene.hpp @@ -0,0 +1,19 @@ +#pragma once + +#include "../util/Log.h" + +#include "Scene.h" + +namespace crepe { + +template <class... Args> +void Scene::logf(const Log::Level & level, std::format_string<Args...> fmt, Args &&... args) { + Log::logf(level, fmt, std::forward<Args>(args)...); +} + +template <class... Args> +void Scene::logf(std::format_string<Args...> fmt, Args &&... args) { + Log::logf(fmt, std::forward<Args>(args)...); +} + +} // namespace crepe diff --git a/src/crepe/api/Script.cpp b/src/crepe/api/Script.cpp index 8bb3ef6..b147252 100644 --- a/src/crepe/api/Script.cpp +++ b/src/crepe/api/Script.cpp @@ -1,16 +1,63 @@ +#include <string> + +#include "../facade/SDLContext.h" +#include "../manager/SceneManager.h" + #include "Script.h" using namespace crepe; +using namespace std; Script::~Script() { - EventManager & evmgr = this->event_manager; + EventManager & mgr = this->mediator->event_manager; for (auto id : this->listeners) { - evmgr.unsubscribe(id); + mgr.unsubscribe(id); } } template <> void Script::subscribe(const EventHandler<CollisionEvent> & callback) { - const game_object_id_t & game_object_id = this->game_object_id; - this->subscribe_internal(callback, game_object_id); + this->subscribe_internal(callback, this->game_object_id); +} + +void Script::set_next_scene(const string & name) { + SceneManager & mgr = this->mediator->scene_manager; + mgr.set_next_scene(name); +} + +SaveManager & Script::get_save_manager() const { return this->mediator->save_manager; } + +LoopTimerManager & Script::get_loop_timer() const { return this->mediator->loop_timer; } + +void Script::replay::record_start() { + ReplayManager & mgr = this->mediator->replay_manager; + return mgr.record_start(); +} + +recording_t Script::replay::record_end() { + ReplayManager & mgr = this->mediator->replay_manager; + return mgr.record_end(); +} + +void Script::replay::play(recording_t recording) { + ReplayManager & mgr = this->mediator->replay_manager; + return mgr.play(recording); +} + +void Script::replay::release(recording_t recording) { + ReplayManager & mgr = this->mediator->replay_manager; + return mgr.release(recording); +} + +const keyboard_state_t & Script::get_keyboard_state() const { + SDLContext & sdl_context = this->mediator->sdl_context; + return sdl_context.get_keyboard_state(); +} + +bool Script::get_key_state(Keycode key) const noexcept { + try { + return this->get_keyboard_state().at(key); + } catch (...) { + return false; + } } diff --git a/src/crepe/api/Script.h b/src/crepe/api/Script.h index f1a6b42..5f68928 100644 --- a/src/crepe/api/Script.h +++ b/src/crepe/api/Script.h @@ -2,11 +2,16 @@ #include <vector> +#include "../api/KeyCodes.h" +#include "../manager/EventManager.h" +#include "../manager/LoopTimerManager.h" +#include "../manager/Mediator.h" +#include "../manager/ReplayManager.h" +#include "../system/CollisionSystem.h" #include "../types.h" +#include "../util/Log.h" #include "../util/OptionalRef.h" -#include "EventManager.h" - namespace crepe { class ScriptSystem; @@ -19,9 +24,13 @@ class ComponentManager; * This class is used as a base class for user-defined scripts that can be added to game * objects using the \c BehaviorScript component. * - * \info Additional *events* (like Unity's OnDisable and OnEnable) should be implemented as + * \note Additional *events* (like Unity's OnDisable and OnEnable) should be implemented as * member or lambda methods in derivative user script classes and registered in \c init(). * + * \warning Concrete scripts are allowed do create a custom constructor, but the utility + * functions should not be called inside the constructor as they rely on late references that + * are only available after the constructor returns. + * * \see feature_script */ class Script { @@ -39,12 +48,23 @@ protected: */ virtual void init() {} /** - * \brief Script update function (empty by default) + * \brief Script fixed update function (empty by default) + * + * \param delta_time Time since last fixed update + * + * \note This function is called during the ScriptSystem::update() routine if the \c + * BehaviorScript component holding this script instance is active. + */ + virtual void fixed_update(duration_t delta_time) {} + /** + * \brief Script frame update function (empty by default) * - * This function is called during the ScriptSystem::update() routine if the \c BehaviorScript - * component holding this script instance is active. + * \param delta_time Time since last frame update + * + * \note This function is called during the ScriptSystem::update() routine if the \c + * BehaviorScript component holding this script instance is active. */ - virtual void update() {} + virtual void frame_update(duration_t delta_time) {} //! \} //! ScriptSystem calls \c init() and \c update() @@ -52,59 +72,129 @@ protected: protected: /** - * \name Utility functions + * \name Component query functions + * \see ComponentManager * \{ */ - /** * \brief Get single component of type \c T on this game object - * * \tparam T Type of component - * * \returns Reference to component - * - * \throws std::runtime_error if this game object does not have a component matching type \c - * T + * \throws std::runtime_error if this game object does not have a component with type \c T */ template <typename T> T & get_component() const; - // TODO: make get_component calls for component types that can have more than 1 instance - // cause compile-time errors - /** * \brief Get all components of type \c T on this game object - * * \tparam T Type of component - * * \returns List of component references */ template <typename T> RefVector<T> get_components() const; + //! \copydoc ComponentManager::get_components_by_id + template <typename T> + RefVector<T> get_components_by_id(game_object_id_t id) const; + //! \copydoc ComponentManager::get_components_by_name + template <typename T> + RefVector<T> get_components_by_name(const std::string & name) const; + //! \copydoc ComponentManager::get_components_by_tag + template <typename T> + RefVector<T> get_components_by_tag(const std::string & tag) const; + //! \} /** - * \brief Log a message using Log::logf - * - * \tparam Args Log::logf parameters - * \param args Log::logf parameters + * \name Logging functions + * \see Log + * \{ */ - template <typename... Args> - void logf(Args &&... args); + //! \copydoc Log::logf + template <class... Args> + void logf(const Log::Level & level, std::format_string<Args...> fmt, Args &&... args); + //! \copydoc Log::logf + template <class... Args> + void logf(std::format_string<Args...> fmt, Args &&... args); + // \} /** - * \brief Subscribe to an event with an explicit channel - * \see EventManager::subscribe + * \name Event manager functions + * \see EventManager + * \{ */ + //! \copydoc EventManager::subscribe template <typename EventType> void subscribe(const EventHandler<EventType> & callback, event_channel_t channel); - /** - * \brief Subscribe to an event on EventManager::CHANNEL_ALL - * \see EventManager::subscribe - */ + //! \copydoc EventManager::subscribe template <typename EventType> void subscribe(const EventHandler<EventType> & callback); + //! \copydoc EventManager::trigger_event + template <typename EventType> + void trigger_event(const EventType & event = {}, + event_channel_t channel = EventManager::CHANNEL_ALL); + //! \copydoc EventManager::queue_event + template <typename EventType> + void queue_event(const EventType & event = {}, + event_channel_t channel = EventManager::CHANNEL_ALL); + //! \} + + /** + * \name Scene-related functions + * \see SceneManager + * \{ + */ + //! \copydoc SceneManager::set_next_scene + void set_next_scene(const std::string & name); + //! \} + /** + * \name Save data management functions + * \see SaveManager + * \{ + */ + //! Retrieve SaveManager reference + SaveManager & get_save_manager() const; //! \} + /** + * \name Timing functions + * \see LoopTimerManager + * \{ + */ + //! Retrieve LoopTimerManager reference + LoopTimerManager & get_loop_timer() const; + //! \} + + //! Replay management functions + struct replay { // NOLINT + //! \copydoc ReplayManager::record_start + void record_start(); + //! \copydoc ReplayManager::record_end + recording_t record_end(); + //! \copydoc ReplayManager::play + void play(recording_t); + //! \copydoc ReplayManager::release + void release(recording_t); + + private: + OptionalRef<Mediator> & mediator; + replay(OptionalRef<Mediator> & mediator) : mediator(mediator) {} + friend class Script; + } replay{mediator}; + + /** + * \brief Utility function to retrieve the keyboard state + * \see SDLContext::get_keyboard_state + * + * \return current keyboard state map with Keycode as key and bool as value(true = pressed, false = not pressed) + */ + const keyboard_state_t & get_keyboard_state() const; + /** + * \brief Utility function to retrieve a single key state. + * \see SDLContext::get_keyboard_state + * + * \return Keycode state (true if pressed, false if not pressed). + */ + bool get_key_state(Keycode key) const noexcept; + private: /** * \brief Internal subscribe function @@ -154,13 +244,11 @@ private: * \{ */ //! Game object ID of game object parent BehaviorScript is attached to - OptionalRef<const game_object_id_t> game_object_id; + game_object_id_t game_object_id; //! Reference to parent component OptionalRef<bool> active; - //! Reference to component manager instance - OptionalRef<ComponentManager> component_manager; - //! Reference to event manager instance - OptionalRef<EventManager> event_manager; + //! Mediator reference + OptionalRef<Mediator> mediator; //! \} private: diff --git a/src/crepe/api/Script.hpp b/src/crepe/api/Script.hpp index a2463bf..4462a41 100644 --- a/src/crepe/api/Script.hpp +++ b/src/crepe/api/Script.hpp @@ -1,6 +1,7 @@ #pragma once -#include "../ComponentManager.h" +#include "../manager/ComponentManager.h" +#include "../manager/ReplayManager.h" #include "BehaviorScript.h" #include "Script.h" @@ -20,24 +21,37 @@ T & Script::get_component() const { template <typename T> RefVector<T> Script::get_components() const { - ComponentManager & mgr = this->component_manager; + return this->get_components_by_id<T>(this->game_object_id); +} - return mgr.get_components_by_id<T>(this->game_object_id); +template <class... Args> +void Script::logf(const Log::Level & level, std::format_string<Args...> fmt, Args &&... args) { + Log::logf(level, fmt, std::forward<Args>(args)...); } -template <typename... Args> -void Script::logf(Args &&... args) { - Log::logf(std::forward<Args>(args)...); +template <class... Args> +void Script::logf(std::format_string<Args...> fmt, Args &&... args) { + Log::logf(fmt, std::forward<Args>(args)...); } template <typename EventType> void Script::subscribe_internal(const EventHandler<EventType> & callback, event_channel_t channel) { - EventManager & mgr = this->event_manager; + EventManager & mgr = this->mediator->event_manager; subscription_t listener = mgr.subscribe<EventType>( [this, callback](const EventType & data) -> bool { + // check if (parent) BehaviorScript component is active bool & active = this->active; if (!active) return false; + + // check if replay manager is playing (if initialized) + try { + ReplayManager & replay = this->mediator->replay_manager; + if (replay.get_state() == ReplayManager::PLAYING) return false; + } catch (const std::runtime_error &) { + } + + // call user-provided callback return callback(data); }, channel); @@ -54,4 +68,38 @@ void Script::subscribe(const EventHandler<EventType> & callback) { this->subscribe_internal(callback, EventManager::CHANNEL_ALL); } +template <typename EventType> +void Script::trigger_event(const EventType & event, event_channel_t channel) { + EventManager & mgr = this->mediator->event_manager; + mgr.trigger_event(event, channel); +} + +template <typename EventType> +void Script::queue_event(const EventType & event, event_channel_t channel) { + EventManager & mgr = this->mediator->event_manager; + mgr.queue_event(event, channel); +} + +template <typename T> +RefVector<T> Script::get_components_by_id(game_object_id_t id) const { + Mediator & mediator = this->mediator; + ComponentManager & mgr = mediator.component_manager; + + return mgr.get_components_by_id<T>(id); +} +template <typename T> +RefVector<T> Script::get_components_by_name(const std::string & name) const { + Mediator & mediator = this->mediator; + ComponentManager & mgr = mediator.component_manager; + + return mgr.get_components_by_name<T>(name); +} +template <typename T> +RefVector<T> Script::get_components_by_tag(const std::string & tag) const { + Mediator & mediator = this->mediator; + ComponentManager & mgr = mediator.component_manager; + + return mgr.get_components_by_tag<T>(tag); +} + } // namespace crepe diff --git a/src/crepe/api/Sprite.cpp b/src/crepe/api/Sprite.cpp index bd2d5cf..0107c7b 100644 --- a/src/crepe/api/Sprite.cpp +++ b/src/crepe/api/Sprite.cpp @@ -1,25 +1,21 @@ -#include <memory> +#include <cmath> -#include "../util/Log.h" -#include "facade/SDLContext.h" +#include "../util/dbg.h" +#include "api/Asset.h" #include "Component.h" #include "Sprite.h" -#include "Texture.h" +#include "types.h" using namespace std; using namespace crepe; -Sprite::Sprite(game_object_id_t id, const shared_ptr<Texture> image, const Color & color, - const FlipSettings & flip) +Sprite::Sprite(game_object_id_t id, const Asset & texture, const Sprite::Data & data) : Component(id), - color(color), - flip(flip), - sprite_image(image) { - dbg_trace(); + source(texture), + data(data) { - this->sprite_rect.w = sprite_image->get_width(); - this->sprite_rect.h = sprite_image->get_height(); + dbg_trace(); } Sprite::~Sprite() { dbg_trace(); } diff --git a/src/crepe/api/Sprite.h b/src/crepe/api/Sprite.h index 74a55d4..a2409c2 100644 --- a/src/crepe/api/Sprite.h +++ b/src/crepe/api/Sprite.h @@ -1,26 +1,13 @@ #pragma once -#include <memory> - #include "../Component.h" +#include "api/Asset.h" #include "Color.h" -#include "Texture.h" +#include "types.h" namespace crepe { -struct Rect { - int w = 0; - int h = 0; - int x = 0; - int y = 0; -}; - -struct FlipSettings { - bool flip_x = false; - bool flip_y = false; -}; - class SDLContext; class Animator; class AnimatorSystem; @@ -32,58 +19,96 @@ class AnimatorSystem; * flip settings, and is managed in layers with defined sorting orders. */ class Sprite : public Component { +public: + //! settings to flip the image + struct FlipSettings { + //! horizantal flip + bool flip_x = false; + //! vertical flip + bool flip_y = false; + }; + + //! Sprite data that does not have to be set in the constructor + struct Data { + /** + * \brief Sprite tint (multiplied) + * + * The sprite texture's pixels are multiplied by this color before being displayed + * (including alpha channel for transparency). + */ + Color color = Color::WHITE; + + //! Flip settings for the sprite + FlipSettings flip; + + //! Layer sorting level of the sprite + const int sorting_in_layer = 0; + + //! Order within the sorting layer + const int order_in_layer = 0; + + /** + * \brief width and height of the sprite in game units + * + * - if exclusively width is specified, the height is calculated using the texture's aspect + * ratio + * - if exclusively height is specified, the width is calculated using the texture's aspect + * ratio + * - if both are specified the texture is streched to fit the specified size + */ + vec2 size = {0, 0}; + + //! independent sprite angle. rotating clockwise direction in degrees + float angle_offset = 0; + + //! independent sprite scale multiplier + float scale_offset = 1; + + //! independent sprite offset position + vec2 position_offset; + }; public: - // TODO: Loek comment in github #27 will be looked another time - // about shared_ptr Texture /** - * \brief Constructs a Sprite with specified parameters. * \param game_id Unique identifier for the game object this sprite belongs to. - * \param image Shared pointer to the texture for this sprite. - * \param color Color tint applied to the sprite. - * \param flip Flip settings for horizontal and vertical orientation. - */ - Sprite(game_object_id_t id, const std::shared_ptr<Texture> image, const Color & color, - const FlipSettings & flip); - - /** - * \brief Destroys the Sprite instance. + * \param texture asset of the image + * \param ctx all the sprite data */ + Sprite(game_object_id_t id, const Asset & texture, const Data & data); ~Sprite(); //! Texture used for the sprite - const std::shared_ptr<Texture> sprite_image; - //! Color tint of the sprite - Color color; - //! Flip settings for the sprite - FlipSettings flip; - //! Layer sorting level of the sprite - uint8_t sorting_in_layer = 0; - //! Order within the sorting layer - uint8_t order_in_layer = 0; + const Asset source; -public: - /** - * \brief Gets the maximum number of instances allowed for this sprite. - * \return Maximum instance count as an integer. - * - * For now is this number randomly picked. I think it will eventually be 1. - */ - virtual int get_instances_max() const { return 10; } + Data data; private: - //! Reads the sprite_rect of sprite + //! Reads the mask of sprite friend class SDLContext; - //! Reads the all the variables plus the sprite_rect + //! Reads the all the variables plus the mask friend class Animator; - //! Reads the all the variables plus the sprite_rect + //! Reads the all the variables plus the mask friend class AnimatorSystem; + /** + * \aspect_ratio the ratio of the sprite image + * + * - this value will only be set by the \c Animator component for the ratio of the Animation + * - if \c Animator component is not added it will not use this ratio (because 0) and will use aspect_ratio of the Asset. + */ + float aspect_ratio = 0; + + struct Rect { + int w = 0; + int h = 0; + int x = 0; + int y = 0; + }; //! Render area of the sprite this will also be adjusted by the AnimatorSystem if an Animator - // object is present in GameObject - Rect sprite_rect; + // object is present in GameObject. this is in sprite pixels + Rect mask; }; } // namespace crepe diff --git a/src/crepe/api/Text.cpp b/src/crepe/api/Text.cpp new file mode 100644 index 0000000..54a4370 --- /dev/null +++ b/src/crepe/api/Text.cpp @@ -0,0 +1,12 @@ +#include "../facade/FontFacade.h" + +#include "Text.h" + +using namespace crepe; + +Text::Text(game_object_id_t id, const vec2 & dimensions, const vec2 & offset, + const std::string & font_family, const Data & data, const std::string & text) + : UIObject(id, dimensions, offset), + text(text), + data(data), + font_family(font_family) {} diff --git a/src/crepe/api/Text.h b/src/crepe/api/Text.h new file mode 100644 index 0000000..c30dc80 --- /dev/null +++ b/src/crepe/api/Text.h @@ -0,0 +1,66 @@ +#pragma once + +#include <optional> +#include <string> + +#include "../Component.h" + +#include "Asset.h" +#include "Color.h" +#include "UIObject.h" + +namespace crepe { +/** + * \brief Text UIObject component for displaying text + * + * This class can be used to display text on screen. By setting the font_family to a font already stored on the current device it will automatically be loaded in. + */ +class Text : public UIObject { +public: + //! Text data that does not have to be set in the constructor + struct Data { + /** + * \brief fontsize for text rendering + * + * \note this is not the actual font size that is loaded in. + * + * Since SDL_TTF requires the font size when loading in the font it is not possible to switch the font size. + * The default font size that is loaded is set in the Config. + * Instead this value is used to upscale the font texture which can cause blurring or distorted text when upscaling or downscaling too much. + */ + unsigned int font_size = 16; + + //! Layer sorting level of the text + const int sorting_in_layer = 0; + + //! Order within the sorting text + const int order_in_layer = 0; + + //! Label text color. + Color text_color = Color::BLACK; + }; + +public: + /** + * + * \param dimensions Width and height of the UIObject. + * \param offset Offset of the UIObject relative to its transform + * \param text The text to be displayed. + * \param font_family The font style name to be displayed. + * \param data Data struct containing extra text parameters. + * \param font Optional font asset that can be passed or left empty. + */ + Text(game_object_id_t id, const vec2 & dimensions, const vec2 & offset, + const std::string & font_family, const Data & data, const std::string & text = ""); + + //! Label text. + std::string text = ""; + //! font family name + std::string font_family = ""; + //! Font asset variable if this is not set, it will use the font_family to create an asset. + std::optional<Asset> font; + //! Data instance + Data data; +}; + +} // namespace crepe diff --git a/src/crepe/api/Texture.cpp b/src/crepe/api/Texture.cpp deleted file mode 100644 index 9be9421..0000000 --- a/src/crepe/api/Texture.cpp +++ /dev/null @@ -1,39 +0,0 @@ -#include <SDL2/SDL_render.h> - -#include "../facade/SDLContext.h" -#include "../util/Log.h" - -#include "Asset.h" -#include "Texture.h" - -using namespace crepe; -using namespace std; - -Texture::Texture(unique_ptr<Asset> res) { - dbg_trace(); - this->load(std::move(res)); -} - -Texture::Texture(const char * src) { - dbg_trace(); - this->load(make_unique<Asset>(src)); -} - -Texture::~Texture() { - dbg_trace(); - this->texture.reset(); -} - -void Texture::load(unique_ptr<Asset> res) { - SDLContext & ctx = SDLContext::get_instance(); - this->texture = std::move(ctx.texture_from_path(res->get_path())); -} - -int Texture::get_width() const { - if (this->texture == nullptr) return 0; - return SDLContext::get_instance().get_width(*this); -} -int Texture::get_height() const { - if (this->texture == nullptr) return 0; - return SDLContext::get_instance().get_height(*this); -} diff --git a/src/crepe/api/Texture.h b/src/crepe/api/Texture.h deleted file mode 100644 index 6965223..0000000 --- a/src/crepe/api/Texture.h +++ /dev/null @@ -1,75 +0,0 @@ -#pragma once - -// FIXME: this header can't be included because this is an API header, and SDL2 development -// headers won't be bundled with crepe. Why is this facade in the API namespace? - -#include <SDL2/SDL_render.h> -#include <functional> -#include <memory> - -#include "Asset.h" - -namespace crepe { - -class SDLContext; -class Animator; - -/** - * \class Texture - * \brief Manages texture loading and properties. - * - * The Texture class is responsible for loading an image from a source and providing access to - * its dimensions. Textures can be used for rendering. - */ -class Texture { - -public: - /** - * \brief Constructs a Texture from a file path. - * \param src Path to the image file to be loaded as a texture. - */ - Texture(const char * src); - - /** - * \brief Constructs a Texture from an Asset resource. - * \param res Unique pointer to an Asset resource containing texture data. - */ - Texture(std::unique_ptr<Asset> res); - - /** - * \brief Destroys the Texture instance, freeing associated resources. - */ - ~Texture(); - // FIXME: this constructor shouldn't be necessary because this class doesn't manage memory - - /** - * \brief Gets the width of the texture. - * \return Width of the texture in pixels. - */ - int get_width() const; - - /** - * \brief Gets the height of the texture. - * \return Height of the texture in pixels. - */ - int get_height() const; - -private: - /** - * \brief Loads the texture from an Asset resource. - * \param res Unique pointer to an Asset resource to load the texture from. - */ - void load(std::unique_ptr<Asset> res); - -private: - //! The texture of the class from the library - std::unique_ptr<SDL_Texture, std::function<void(SDL_Texture *)>> texture; - - //! Grants SDLContext access to private members. - friend class SDLContext; - - //! Grants Animator access to private members. - friend class Animator; -}; - -} // namespace crepe diff --git a/src/crepe/api/Transform.cpp b/src/crepe/api/Transform.cpp index cd944bd..fcfce14 100644 --- a/src/crepe/api/Transform.cpp +++ b/src/crepe/api/Transform.cpp @@ -1,13 +1,22 @@ -#include "../util/Log.h" +#include "../util/dbg.h" #include "Transform.h" using namespace crepe; +using namespace std; -Transform::Transform(game_object_id_t id, const Vector2 & point, double rotation, double scale) +Transform::Transform(game_object_id_t id, const vec2 & point, double rotation, double scale) : Component(id), position(point), rotation(rotation), scale(scale) { dbg_trace(); } + +unique_ptr<Component> Transform::save() const { + return unique_ptr<Component>{new Transform(*this)}; +} + +void Transform::restore(const Component & snapshot) { + *this = static_cast<const Transform &>(snapshot); +} diff --git a/src/crepe/api/Transform.h b/src/crepe/api/Transform.h index 18aa293..a6f3486 100644 --- a/src/crepe/api/Transform.h +++ b/src/crepe/api/Transform.h @@ -1,25 +1,24 @@ #pragma once -#include "api/Vector2.h" - #include "Component.h" +#include "types.h" namespace crepe { /** * \brief Transform component - * + * * This class represents the Transform component. It stores the position, rotation and scale of * a GameObject. */ class Transform : public Component { public: //! Translation (shift) - Vector2 position = {0, 0}; - //! Rotation, in degrees - double rotation = 0; + vec2 position = {0, 0}; + //! Rotation, in degrees clockwise + float rotation = 0; //! Multiplication factor - double scale = 0; + float scale = 0; protected: /** @@ -28,7 +27,7 @@ protected: * \param rotation The rotation of the GameObject * \param scale The scale of the GameObject */ - Transform(game_object_id_t id, const Vector2 & point, double rotation, double scale); + Transform(game_object_id_t id, const vec2 & point, double rotation, double scale); /** * There is always exactly one transform component per entity * \return 1 @@ -36,6 +35,12 @@ protected: virtual int get_instances_max() const { return 1; } //! ComponentManager instantiates all components friend class ComponentManager; + +protected: + virtual std::unique_ptr<Component> save() const; + Transform(const Transform &) = default; + virtual void restore(const Component & snapshot); + virtual Transform & operator=(const Transform &) = default; }; } // namespace crepe diff --git a/src/crepe/api/UIObject.cpp b/src/crepe/api/UIObject.cpp new file mode 100644 index 0000000..d239b89 --- /dev/null +++ b/src/crepe/api/UIObject.cpp @@ -0,0 +1,8 @@ +#include "UIObject.h" + +using namespace crepe; + +UIObject::UIObject(game_object_id_t id, const vec2 & dimensions, const vec2 & offset) + : Component(id), + dimensions(dimensions), + offset(offset) {} diff --git a/src/crepe/api/UIObject.h b/src/crepe/api/UIObject.h new file mode 100644 index 0000000..f7f4fba --- /dev/null +++ b/src/crepe/api/UIObject.h @@ -0,0 +1,25 @@ +#pragma once + +#include "../Component.h" + +namespace crepe { + +/** + * \brief Represents a UI object in the game, derived from the Component class. + */ +class UIObject : public Component { +public: + /** + * \brief Constructs a UiObject with the specified game object ID. + * \param id The unique ID of the game object associated with this UI object. + * \param dimensions width and height of the UIObject + * \param offset Offset relative to the GameObject Transform + */ + UIObject(game_object_id_t id, const vec2 & dimensions, const vec2 & offset); + //! Width and height of the UIObject + vec2 dimensions; + //! Position offset relative to this GameObjects Transform + vec2 offset; +}; + +} // namespace crepe diff --git a/src/crepe/api/Vector2.cpp b/src/crepe/api/Vector2.cpp deleted file mode 100644 index 30b968e..0000000 --- a/src/crepe/api/Vector2.cpp +++ /dev/null @@ -1,33 +0,0 @@ -#include "Vector2.h" - -using namespace crepe; - -Vector2 Vector2::operator-(const Vector2 & other) const { return {x - other.x, y - other.y}; } - -Vector2 Vector2::operator+(const Vector2 & other) const { return {x + other.x, y + other.y}; } - -Vector2 Vector2::operator*(double scalar) const { return {x * scalar, y * scalar}; } - -Vector2 & Vector2::operator*=(const Vector2 & other) { - x *= other.x; - y *= other.y; - return *this; -} - -Vector2 & Vector2::operator+=(const Vector2 & other) { - x += other.x; - y += other.y; - return *this; -} - -Vector2 & Vector2::operator+=(double other) { - x += other; - y += other; - return *this; -} - -Vector2 Vector2::operator-() const { return {-x, -y}; } - -bool Vector2::operator==(const Vector2 & other) const { return x == other.x && y == other.y; } - -bool Vector2::operator!=(const Vector2 & other) const { return !(*this == other); } diff --git a/src/crepe/api/Vector2.h b/src/crepe/api/Vector2.h index 2fb6136..bf9d124 100644 --- a/src/crepe/api/Vector2.h +++ b/src/crepe/api/Vector2.h @@ -3,38 +3,95 @@ namespace crepe { //! 2D vector +template <class T> struct Vector2 { //! X component of the vector - double x = 0; + T x = 0; //! Y component of the vector - double y = 0; + T y = 0; //! Subtracts another vector from this vector and returns the result. - Vector2 operator-(const Vector2 & other) const; + Vector2 operator-(const Vector2<T> & other) const; + + //! Subtracts a scalar value from both components of this vector and returns the result. + Vector2 operator-(T scalar) const; //! Adds another vector to this vector and returns the result. - Vector2 operator+(const Vector2 & other) const; + Vector2 operator+(const Vector2<T> & other) const; + + //! Adds a scalar value to both components of this vector and returns the result. + Vector2 operator+(T scalar) const; + + //! Multiplies this vector by another vector element-wise and returns the result. + Vector2 operator*(const Vector2<T> & other) const; //! Multiplies this vector by a scalar and returns the result. - Vector2 operator*(double scalar) const; + Vector2 operator*(T scalar) const; - //! Multiplies this vector by another vector element-wise and updates this vector. - Vector2 & operator*=(const Vector2 & other); + //! Divides this vector by another vector element-wise and returns the result. + Vector2 operator/(const Vector2<T> & other) const; + + //! Divides this vector by a scalar and returns the result. + Vector2 operator/(T scalar) const; //! Adds another vector to this vector and updates this vector. - Vector2 & operator+=(const Vector2 & other); + Vector2 & operator+=(const Vector2<T> & other); //! Adds a scalar value to both components of this vector and updates this vector. - Vector2 & operator+=(double other); + Vector2 & operator+=(T other); + + //! Subtracts another vector from this vector and updates this vector. + Vector2 & operator-=(const Vector2<T> & other); + + //! Subtracts a scalar value from both components of this vector and updates this vector. + Vector2 & operator-=(T other); + + //! Multiplies this vector by another vector element-wise and updates this vector. + Vector2 & operator*=(const Vector2<T> & other); + + //! Multiplies this vector by a scalar and updates this vector. + Vector2 & operator*=(T other); + + //! Divides this vector by another vector element-wise and updates this vector. + Vector2 & operator/=(const Vector2<T> & other); + + //! Divides this vector by a scalar and updates this vector. + Vector2 & operator/=(T other); //! Returns the negation of this vector. Vector2 operator-() const; //! Checks if this vector is equal to another vector. - bool operator==(const Vector2 & other) const; + bool operator==(const Vector2<T> & other) const; //! Checks if this vector is not equal to another vector. - bool operator!=(const Vector2 & other) const; + bool operator!=(const Vector2<T> & other) const; + + //! Truncates the vector to a maximum length. + void truncate(T max); + + //! Normalizes the vector (resulting in vector with a length of 1). + void normalize(); + + //! Returns the length of the vector. + T length() const; + + //! Returns the squared length of the vector. + T length_squared() const; + + //! Returns the dot product (inwendig product) of this vector and another vector. + T dot(const Vector2<T> & other) const; + + //! Returns the distance between this vector and another vector. + T distance(const Vector2<T> & other) const; + + //! Returns the squared distance between this vector and another vector. + T distance_squared(const Vector2<T> & other) const; + + //! Returns the perpendicular vector to this vector. + Vector2 perpendicular() const; }; } // namespace crepe + +#include "Vector2.hpp" diff --git a/src/crepe/api/Vector2.hpp b/src/crepe/api/Vector2.hpp new file mode 100644 index 0000000..ff53cb0 --- /dev/null +++ b/src/crepe/api/Vector2.hpp @@ -0,0 +1,166 @@ +#pragma once + +#include <cmath> + +#include "Vector2.h" + +namespace crepe { + +template <class T> +Vector2<T> Vector2<T>::operator-(const Vector2<T> & other) const { + return {x - other.x, y - other.y}; +} + +template <class T> +Vector2<T> Vector2<T>::operator-(T scalar) const { + return {x - scalar, y - scalar}; +} + +template <class T> +Vector2<T> Vector2<T>::operator+(const Vector2<T> & other) const { + return {x + other.x, y + other.y}; +} + +template <class T> +Vector2<T> Vector2<T>::operator+(T scalar) const { + return {x + scalar, y + scalar}; +} + +template <class T> +Vector2<T> Vector2<T>::operator*(const Vector2<T> & other) const { + return {x * other.x, y * other.y}; +} + +template <class T> +Vector2<T> Vector2<T>::operator*(T scalar) const { + return {x * scalar, y * scalar}; +} + +template <class T> +Vector2<T> Vector2<T>::operator/(const Vector2<T> & other) const { + return {x / other.x, y / other.y}; +} + +template <class T> +Vector2<T> Vector2<T>::operator/(T scalar) const { + return {x / scalar, y / scalar}; +} + +template <class T> +Vector2<T> & Vector2<T>::operator+=(const Vector2<T> & other) { + x += other.x; + y += other.y; + return *this; +} + +template <class T> +Vector2<T> & Vector2<T>::operator+=(T other) { + x += other; + y += other; + return *this; +} + +template <class T> +Vector2<T> & Vector2<T>::operator-=(const Vector2<T> & other) { + x -= other.x; + y -= other.y; + return *this; +} + +template <class T> +Vector2<T> & Vector2<T>::operator-=(T other) { + x -= other; + y -= other; + return *this; +} + +template <class T> +Vector2<T> & Vector2<T>::operator*=(const Vector2<T> & other) { + x *= other.x; + y *= other.y; + return *this; +} + +template <class T> +Vector2<T> & Vector2<T>::operator*=(T other) { + x *= other; + y *= other; + return *this; +} + +template <class T> +Vector2<T> & Vector2<T>::operator/=(const Vector2<T> & other) { + x /= other.x; + y /= other.y; + return *this; +} + +template <class T> +Vector2<T> & Vector2<T>::operator/=(T other) { + x /= other; + y /= other; + return *this; +} + +template <class T> +Vector2<T> Vector2<T>::operator-() const { + return {-x, -y}; +} + +template <class T> +bool Vector2<T>::operator==(const Vector2<T> & other) const { + return x == other.x && y == other.y; +} + +template <class T> +bool Vector2<T>::operator!=(const Vector2<T> & other) const { + return !(*this == other); +} + +template <class T> +void Vector2<T>::truncate(T max) { + if (length() > max) { + normalize(); + *this *= max; + } +} + +template <class T> +void Vector2<T>::normalize() { + T len = length(); + if (len > 0) { + *this /= len; + } +} + +template <class T> +T Vector2<T>::length() const { + return std::sqrt(x * x + y * y); +} + +template <class T> +T Vector2<T>::length_squared() const { + return x * x + y * y; +} + +template <class T> +T Vector2<T>::dot(const Vector2<T> & other) const { + return x * other.x + y * other.y; +} + +template <class T> +T Vector2<T>::distance(const Vector2<T> & other) const { + return (*this - other).length(); +} + +template <class T> +T Vector2<T>::distance_squared(const Vector2<T> & other) const { + return (*this - other).length_squared(); +} + +template <class T> +Vector2<T> Vector2<T>::perpendicular() const { + return {-y, x}; +} + +} // namespace crepe diff --git a/src/crepe/facade/CMakeLists.txt b/src/crepe/facade/CMakeLists.txt index 4cc53bc..243ae46 100644 --- a/src/crepe/facade/CMakeLists.txt +++ b/src/crepe/facade/CMakeLists.txt @@ -1,14 +1,20 @@ target_sources(crepe PUBLIC Sound.cpp + Texture.cpp SoundContext.cpp SDLContext.cpp DB.cpp + FontFacade.cpp + Font.cpp ) target_sources(crepe PUBLIC FILE_SET HEADERS FILES Sound.h + Texture.h SoundContext.h SDLContext.h DB.h + FontFacade.h + Font.h ) diff --git a/src/crepe/facade/DB.cpp b/src/crepe/facade/DB.cpp index 95cf606..7a3e473 100644 --- a/src/crepe/facade/DB.cpp +++ b/src/crepe/facade/DB.cpp @@ -1,6 +1,6 @@ #include <cstring> -#include "util/Log.h" +#include "util/dbg.h" #include "DB.h" @@ -21,12 +21,6 @@ DB::DB(const string & path) { const char * file = path.empty() ? NULL : path.c_str(); ret = this->db->open(this->db.get(), NULL, file, NULL, libdb::DB_BTREE, DB_CREATE, 0); if (ret != 0) throw runtime_error(format("db->open: {}", libdb::db_strerror(ret))); - - // create cursor - libdb::DBC * cursor; - ret = this->db->cursor(this->db.get(), NULL, &cursor, 0); - if (ret != 0) throw runtime_error(format("db->cursor: {}", libdb::db_strerror(ret))); - this->cursor = {cursor, [](libdb::DBC * cursor) { cursor->close(cursor); }}; } libdb::DBT DB::to_thing(const string & thing) const noexcept { @@ -42,10 +36,10 @@ string DB::get(const string & key) { libdb::DBT db_val; memset(&db_val, 0, sizeof(libdb::DBT)); - int ret = this->cursor->get(this->cursor.get(), &db_key, &db_val, DB_FIRST); + int ret = this->db->get(this->db.get(), NULL, &db_key, &db_val, 0); if (ret == 0) return {static_cast<char *>(db_val.data), db_val.size}; - string err = format("cursor->get: {}", libdb::db_strerror(ret)); + string err = format("db->get: {}", libdb::db_strerror(ret)); if (ret == DB_NOTFOUND) throw out_of_range(err); else throw runtime_error(err); } @@ -54,7 +48,7 @@ void DB::set(const string & key, const string & value) { libdb::DBT db_key = this->to_thing(key); libdb::DBT db_val = this->to_thing(value); int ret = this->db->put(this->db.get(), NULL, &db_key, &db_val, 0); - if (ret != 0) throw runtime_error(format("cursor->get: {}", libdb::db_strerror(ret))); + if (ret != 0) throw runtime_error(format("db->get: {}", libdb::db_strerror(ret))); } bool DB::has(const std::string & key) { diff --git a/src/crepe/facade/DB.h b/src/crepe/facade/DB.h index 115c0f1..84cdf19 100644 --- a/src/crepe/facade/DB.h +++ b/src/crepe/facade/DB.h @@ -61,8 +61,6 @@ public: private: //! RAII wrapper around \c DB struct std::unique_ptr<libdb::DB, std::function<void(libdb::DB *)>> db; - //! RAII wrapper around \c DBC struct - std::unique_ptr<libdb::DBC, std::function<void(libdb::DBC *)>> cursor; private: /** diff --git a/src/crepe/facade/EventData.h b/src/crepe/facade/EventData.h new file mode 100644 index 0000000..a7526b4 --- /dev/null +++ b/src/crepe/facade/EventData.h @@ -0,0 +1,54 @@ +#pragma once +#include "../api/KeyCodes.h" +#include "../types.h" +namespace crepe { +//! EventType enum for passing eventType +enum EventType { + NONE = 0, + MOUSE_DOWN, + MOUSE_UP, + MOUSE_MOVE, + MOUSE_WHEEL, + KEY_UP, + KEY_DOWN, + SHUTDOWN, + WINDOW_MINIMIZE, + WINDOW_MAXIMIZE, + WINDOW_FOCUS_GAIN, + WINDOW_FOCUS_LOST, + WINDOW_MOVE, + WINDOW_RESIZE, + WINDOW_EXPOSE, +}; + +//! Struct for storing key data. +struct KeyData { + Keycode key = Keycode::NONE; + bool key_repeat = false; +}; + +//! Struct for storing mouse data. +struct MouseData { + MouseButton mouse_button = MouseButton::NONE; + ivec2 mouse_position = {-1, -1}; + int scroll_direction = -1; + float scroll_delta = INFINITY; + ivec2 rel_mouse_move = {-1, -1}; +}; + +//! Struct for storing window data. +struct WindowData { + ivec2 move_delta; + ivec2 resize_dimension; +}; + +//! EventData struct for passing event data from facade +struct EventData { + EventType event_type = EventType::NONE; + union { + KeyData key_data; + MouseData mouse_data; + WindowData window_data; + } data; +}; +} // namespace crepe diff --git a/src/crepe/facade/Font.cpp b/src/crepe/facade/Font.cpp new file mode 100644 index 0000000..771002f --- /dev/null +++ b/src/crepe/facade/Font.cpp @@ -0,0 +1,21 @@ +#include <SDL2/SDL_ttf.h> + +#include "../api/Asset.h" +#include "../api/Config.h" + +#include "Font.h" + +using namespace std; +using namespace crepe; + +Font::Font(const Asset & src, Mediator & mediator) : Resource(src, mediator) { + const Config & config = Config::get_instance(); + const std::string FONT_PATH = src.get_path(); + TTF_Font * loaded_font = TTF_OpenFont(FONT_PATH.c_str(), config.font.size); + if (loaded_font == NULL) { + throw runtime_error(format("Font: {} (path: {})", TTF_GetError(), FONT_PATH)); + } + this->font = {loaded_font, [](TTF_Font * close_font) { TTF_CloseFont(close_font); }}; +} + +TTF_Font * Font::get_font() const { return this->font.get(); } diff --git a/src/crepe/facade/Font.h b/src/crepe/facade/Font.h new file mode 100644 index 0000000..b208d96 --- /dev/null +++ b/src/crepe/facade/Font.h @@ -0,0 +1,42 @@ +#pragma once + +#include <SDL2/SDL_ttf.h> +#include <memory> + +#include "../Resource.h" +#include "../api/Config.h" + +namespace crepe { + +class Asset; +/** + * \brief Resource for managing font creation and destruction + * + * This class is a wrapper around an SDL_ttf font instance, encapsulating font loading and usage. + * It loads a font from an Asset and manages its lifecycle. The font is automatically unloaded + * when this object is destroyed. + */ +class Font : public Resource { + +public: + /** + * \param src The Asset containing the font file path and metadata to load the font. + * \param mediator The Mediator object used for managing the SDL context or related systems. + */ + Font(const Asset & src, Mediator & mediator); + /** + * \brief Gets the underlying TTF_Font resource. + * + * This function returns the raw pointer to the SDL_ttf TTF_Font object that represents + * the loaded font. This can be used with SDL_ttf functions to render text. + * + * \return The raw TTF_Font object wrapped in a unique pointer. + */ + TTF_Font * get_font() const; + +private: + //! The SDL_ttf font object with custom deleter. + std::unique_ptr<TTF_Font, std::function<void(TTF_Font *)>> font = nullptr; +}; + +} // namespace crepe diff --git a/src/crepe/facade/FontFacade.cpp b/src/crepe/facade/FontFacade.cpp new file mode 100644 index 0000000..87f95ab --- /dev/null +++ b/src/crepe/facade/FontFacade.cpp @@ -0,0 +1,43 @@ +#include <fontconfig/fontconfig.h> +#include <functional> +#include <memory> +#include <stdexcept> +#include <string> + +#include "FontFacade.h" + +using namespace std; +using namespace crepe; + +FontFacade::FontFacade() { + if (!FcInit()) throw runtime_error("Failed to initialize Fontconfig."); +} + +FontFacade::~FontFacade() { FcFini(); } + +Asset FontFacade::get_font_asset(const string & font_family) { + FcPattern * raw_pattern + = FcNameParse(reinterpret_cast<const FcChar8 *>(font_family.c_str())); + if (raw_pattern == NULL) throw runtime_error("Failed to create font pattern."); + + unique_ptr<FcPattern, function<void(FcPattern *)>> pattern{ + raw_pattern, [](FcPattern * p) { FcPatternDestroy(p); }}; + + FcConfig * config = FcConfigGetCurrent(); + if (config == NULL) throw runtime_error("Failed to get current Fontconfig configuration."); + + FcResult result; + FcPattern * raw_matched_pattern = FcFontMatch(config, pattern.get(), &result); + if (raw_matched_pattern == NULL) throw runtime_error("No matching font found."); + + unique_ptr<FcPattern, function<void(FcPattern *)>> matched_pattern + = {raw_matched_pattern, [](FcPattern * p) { FcPatternDestroy(p); }}; + + FcChar8 * file_path = nullptr; + FcResult res = FcPatternGetString(matched_pattern.get(), FC_FILE, 0, &file_path); + if (res != FcResultMatch || file_path == NULL) + throw runtime_error("Failed to get font file path."); + + string font_file_path = reinterpret_cast<const char *>(file_path); + return Asset(font_file_path); +} diff --git a/src/crepe/facade/FontFacade.h b/src/crepe/facade/FontFacade.h new file mode 100644 index 0000000..9761070 --- /dev/null +++ b/src/crepe/facade/FontFacade.h @@ -0,0 +1,34 @@ +#pragma once + +#include <memory> + +#include "../api/Asset.h" + +namespace crepe { + +/** + * + * \brief Font facade class for converting font family names to absolute file paths + * + */ +class FontFacade { +public: + FontFacade(); + ~FontFacade(); + FontFacade(const FontFacade & other) = delete; + FontFacade & operator=(const FontFacade & other) = delete; + FontFacade(FontFacade && other) noexcept = delete; + FontFacade & operator=(FontFacade && other) noexcept = delete; + /** + * + * \brief Facade function to convert a font_family into an asset. + * + * This function uses the FontConfig library to convert a font family name (Arial, Inter, Helvetica) and converts it to the font source path. + * This function returns a default font path if the font_family name doesnt exist or cant be found + * \param font_family Name of the font family name. + * \return Asset with filepath to the corresponding font. + */ + Asset get_font_asset(const std::string & font_family); +}; + +} // namespace crepe diff --git a/src/crepe/facade/SDLContext.cpp b/src/crepe/facade/SDLContext.cpp index 00523a6..9486ccd 100644 --- a/src/crepe/facade/SDLContext.cpp +++ b/src/crepe/facade/SDLContext.cpp @@ -1,44 +1,48 @@ #include <SDL2/SDL.h> +#include <SDL2/SDL_blendmode.h> #include <SDL2/SDL_image.h> #include <SDL2/SDL_keycode.h> +#include <SDL2/SDL_pixels.h> #include <SDL2/SDL_rect.h> #include <SDL2/SDL_render.h> #include <SDL2/SDL_surface.h> +#include <SDL2/SDL_ttf.h> #include <SDL2/SDL_video.h> +#include <array> #include <cmath> #include <cstddef> +#include <cstdint> #include <functional> #include <memory> #include <stdexcept> -#include <string> #include "../api/Camera.h" +#include "../api/Color.h" +#include "../api/Config.h" #include "../api/Sprite.h" -#include "../api/Texture.h" -#include "../api/Transform.h" -#include "../api/Vector2.h" -#include "../util/Log.h" +#include "../util/dbg.h" +#include "manager/Mediator.h" #include "SDLContext.h" +#include "Texture.h" +#include "types.h" using namespace crepe; using namespace std; -SDLContext & SDLContext::get_instance() { - static SDLContext instance; - return instance; -} - -SDLContext::SDLContext() { +SDLContext::SDLContext(Mediator & mediator) { dbg_trace(); - // FIXME: read window defaults from config manager - + if (TTF_Init() == -1) { + throw runtime_error(format("SDL_ttf initialization failed: {}", TTF_GetError())); + } if (SDL_Init(SDL_INIT_VIDEO) != 0) { throw runtime_error(format("SDLContext: SDL_Init error: {}", SDL_GetError())); } + + auto & cfg = Config::get_instance().window_settings; SDL_Window * tmp_window - = SDL_CreateWindow("Crepe Game Engine", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, - this->viewport.w, this->viewport.h, 0); + = SDL_CreateWindow(cfg.window_title.c_str(), SDL_WINDOWPOS_CENTERED, + SDL_WINDOWPOS_CENTERED, cfg.default_size.x, cfg.default_size.y, 0); if (!tmp_window) { throw runtime_error(format("SDLContext: SDL_Window error: {}", SDL_GetError())); } @@ -58,6 +62,8 @@ SDLContext::SDLContext() { if (!(IMG_Init(img_flags) & img_flags)) { throw runtime_error("SDLContext: SDL_image could not initialize!"); } + + mediator.sdl_context = *this; } SDLContext::~SDLContext() { @@ -70,96 +76,175 @@ SDLContext::~SDLContext() { // thread that SDL_Init() was called on? This has caused problems for me // before. IMG_Quit(); + TTF_Quit(); SDL_Quit(); } -void SDLContext::handle_events(bool & running) { - //TODO: wouter i need events - /* - SDL_Event event; - SDL_PollEvent(&event); - switch (event.type) { - case SDL_QUIT: - running = false; - break; - case SDL_KEYDOWN: - triggerEvent(KeyPressedEvent(getCustomKey(event.key.keysym.sym))); - break; - case SDL_MOUSEBUTTONDOWN: - int x, y; - SDL_GetMouseState(&x, &y); - triggerEvent(MousePressedEvent(x, y)); - break; + +Keycode SDLContext::sdl_to_keycode(SDL_Scancode sdl_key) { + if (!lookup_table.contains(sdl_key)) return Keycode::NONE; + return lookup_table.at(sdl_key); +} + +const keyboard_state_t & SDLContext::get_keyboard_state() { + SDL_PumpEvents(); + const Uint8 * current_state = SDL_GetKeyboardState(nullptr); + + for (int i = 0; i < SDL_NUM_SCANCODES; ++i) { + + Keycode key = sdl_to_keycode(static_cast<SDL_Scancode>(i)); + if (key != Keycode::NONE) { + this->keyboard_state[key] = current_state[i] != 0; + } } - */ + return this->keyboard_state; +} + +MouseButton SDLContext::sdl_to_mousebutton(Uint8 sdl_button) { + static const std::array<MouseButton, 5> MOUSE_BUTTON_LOOKUP_TABLE = [] { + std::array<MouseButton, 5> table{}; + table.fill(MouseButton::NONE); + + table[SDL_BUTTON_LEFT] = MouseButton::LEFT_MOUSE; + table[SDL_BUTTON_RIGHT] = MouseButton::RIGHT_MOUSE; + table[SDL_BUTTON_MIDDLE] = MouseButton::MIDDLE_MOUSE; + table[SDL_BUTTON_X1] = MouseButton::X1_MOUSE; + table[SDL_BUTTON_X2] = MouseButton::X2_MOUSE; + + return table; + }(); + + if (sdl_button >= MOUSE_BUTTON_LOOKUP_TABLE.size()) { + // Return NONE for invalid or unmapped button + return MouseButton::NONE; + } + + return MOUSE_BUTTON_LOOKUP_TABLE[sdl_button]; } void SDLContext::clear_screen() { SDL_RenderClear(this->game_renderer.get()); } -void SDLContext::present_screen() { SDL_RenderPresent(this->game_renderer.get()); } - -SDL_Rect SDLContext::get_src_rect(const Sprite & sprite) const { - return SDL_Rect{ - .x = sprite.sprite_rect.x, - .y = sprite.sprite_rect.y, - .w = sprite.sprite_rect.w, - .h = sprite.sprite_rect.h, - }; +void SDLContext::present_screen() { + SDL_SetRenderDrawColor(this->game_renderer.get(), 0, 0, 0, 255); + SDL_RenderFillRectF(this->game_renderer.get(), &black_bars[0]); + SDL_RenderFillRectF(this->game_renderer.get(), &black_bars[1]); + SDL_RenderPresent(this->game_renderer.get()); } -SDL_Rect SDLContext::get_dst_rect(const Sprite & sprite, const Vector2 & pos, - const double & scale, const Camera & cam) const { - - double adjusted_x = (pos.x - cam.x) * cam.zoom; - double adjusted_y = (pos.y - cam.y) * cam.zoom; - double adjusted_w = sprite.sprite_rect.w * scale * cam.zoom; - double adjusted_h = sprite.sprite_rect.h * scale * cam.zoom; - - return SDL_Rect{ - .x = static_cast<int>(adjusted_x), - .y = static_cast<int>(adjusted_y), - .w = static_cast<int>(adjusted_w), - .h = static_cast<int>(adjusted_h), + +SDL_FRect SDLContext::get_dst_rect(const DestinationRectangleData & ctx) const { + + const Sprite::Data & data = ctx.sprite.data; + + float aspect_ratio + = (ctx.sprite.aspect_ratio == 0) ? ctx.texture.get_ratio() : ctx.sprite.aspect_ratio; + + vec2 size = data.size; + if (data.size.x == 0 && data.size.y != 0) { + size.x = data.size.y * aspect_ratio; + } + if (data.size.y == 0 && data.size.x != 0) { + size.y = data.size.x / aspect_ratio; + } + size *= cam_aux_data.render_scale * ctx.img_scale * data.scale_offset; + + vec2 screen_pos = (ctx.pos + data.position_offset - cam_aux_data.cam_pos + + (cam_aux_data.zoomed_viewport) / 2) + * cam_aux_data.render_scale + - size / 2 + cam_aux_data.bar_size; + + return SDL_FRect{ + .x = screen_pos.x, + .y = screen_pos.y, + .w = size.x, + .h = size.y, }; } -void SDLContext::draw_particle(const Sprite & sprite, const Vector2 & pos, - const double & angle, const double & scale, - const Camera & camera) { - +void SDLContext::draw(const RenderContext & ctx) { + const Sprite::Data & data = ctx.sprite.data; SDL_RendererFlip render_flip - = (SDL_RendererFlip) ((SDL_FLIP_HORIZONTAL * sprite.flip.flip_x) - | (SDL_FLIP_VERTICAL * sprite.flip.flip_y)); + = (SDL_RendererFlip) ((SDL_FLIP_HORIZONTAL * data.flip.flip_x) + | (SDL_FLIP_VERTICAL * data.flip.flip_y)); + + SDL_Rect srcrect; + SDL_Rect * srcrect_ptr = NULL; + if (ctx.sprite.mask.w != 0 || ctx.sprite.mask.h != 0) { + srcrect.w = ctx.sprite.mask.w; + srcrect.h = ctx.sprite.mask.h; + srcrect.x = ctx.sprite.mask.x; + srcrect.y = ctx.sprite.mask.y; + srcrect_ptr = &srcrect; + } - SDL_Rect srcrect = this->get_src_rect(sprite); - SDL_Rect dstrect = this->get_dst_rect(sprite, pos, scale, camera); + SDL_FRect dstrect = this->get_dst_rect(SDLContext::DestinationRectangleData{ + .sprite = ctx.sprite, + .texture = ctx.texture, + .pos = ctx.pos, + .img_scale = ctx.scale, + }); - SDL_RenderCopyEx(this->game_renderer.get(), sprite.sprite_image->texture.get(), &srcrect, - &dstrect, angle, NULL, render_flip); + double angle = ctx.angle + data.angle_offset; + + this->set_color_texture(ctx.texture, ctx.sprite.data.color); + SDL_RenderCopyExF(this->game_renderer.get(), ctx.texture.get_img(), srcrect_ptr, &dstrect, + angle, NULL, render_flip); } -void SDLContext::draw(const Sprite & sprite, const Transform & transform, const Camera & cam) { +void SDLContext::update_camera_view(const Camera & cam, const vec2 & new_pos) { - SDL_RendererFlip render_flip - = (SDL_RendererFlip) ((SDL_FLIP_HORIZONTAL * sprite.flip.flip_x) - | (SDL_FLIP_VERTICAL * sprite.flip.flip_y)); + const Camera::Data & cam_data = cam.data; + // resize window + int w, h; + SDL_GetWindowSize(this->game_window.get(), &w, &h); + if (w != cam.screen.x || h != cam.screen.y) { + SDL_SetWindowSize(this->game_window.get(), cam.screen.x, cam.screen.y); + } - SDL_Rect srcrect = this->get_src_rect(sprite); - SDL_Rect dstrect = this->get_dst_rect(sprite, transform.position, transform.scale, cam); + vec2 & zoomed_viewport = this->cam_aux_data.zoomed_viewport; + vec2 & bar_size = this->cam_aux_data.bar_size; + vec2 & render_scale = this->cam_aux_data.render_scale; + this->cam_aux_data.cam_pos = new_pos; + + zoomed_viewport = cam.viewport_size * cam_data.zoom; + float screen_aspect = static_cast<float>(cam.screen.x) / cam.screen.y; + float viewport_aspect = zoomed_viewport.x / zoomed_viewport.y; + + // calculate black bars + if (screen_aspect > viewport_aspect) { + // pillarboxing + float scale = cam.screen.y / zoomed_viewport.y; + float adj_width = zoomed_viewport.x * scale; + float bar_width = (cam.screen.x - adj_width) / 2; + this->black_bars[0] = {0, 0, bar_width, (float) cam.screen.y}; + this->black_bars[1] = {(cam.screen.x - bar_width), 0, bar_width, (float) cam.screen.y}; + + bar_size = {bar_width, 0}; + render_scale.x = render_scale.y = scale; + } else { + // letterboxing + float scale = cam.screen.x / (cam.viewport_size.x * cam_data.zoom); + float adj_height = cam.viewport_size.y * scale; + float bar_height = (cam.screen.y - adj_height) / 2; + this->black_bars[0] = {0, 0, (float) cam.screen.x, bar_height}; + this->black_bars[1] + = {0, (cam.screen.y - bar_height), (float) cam.screen.x, bar_height}; + + bar_size = {0, bar_height}; + render_scale.x = render_scale.y = scale; + } - SDL_RenderCopyEx(this->game_renderer.get(), sprite.sprite_image->texture.get(), &srcrect, - &dstrect, transform.rotation, NULL, render_flip); -} + SDL_SetRenderDrawColor(this->game_renderer.get(), cam_data.bg_color.r, cam_data.bg_color.g, + cam_data.bg_color.b, cam_data.bg_color.a); -void SDLContext::set_camera(const Camera & cam) { - this->viewport.w = static_cast<int>(cam.aspect_width); - this->viewport.h = static_cast<int>(cam.aspect_height); - this->viewport.x = static_cast<int>(cam.x) - (this->viewport.w / 2); - this->viewport.y = static_cast<int>(cam.y) - (this->viewport.h / 2); + SDL_Rect bg = { + .x = 0, + .y = 0, + .w = cam.screen.x, + .h = cam.screen.y, + }; - SDL_SetRenderDrawColor(this->game_renderer.get(), cam.bg_color.r, cam.bg_color.g, - cam.bg_color.b, cam.bg_color.a); + // fill bg color + SDL_RenderFillRect(this->game_renderer.get(), &bg); } -uint64_t SDLContext::get_ticks() const { return SDL_GetTicks64(); } - std::unique_ptr<SDL_Texture, std::function<void(SDL_Texture *)>> SDLContext::texture_from_path(const std::string & path) { @@ -180,16 +265,155 @@ SDLContext::texture_from_path(const std::string & path) { std::unique_ptr<SDL_Texture, std::function<void(SDL_Texture *)>> img_texture; img_texture = {tmp_texture, [](SDL_Texture * texture) { SDL_DestroyTexture(texture); }}; + SDL_SetTextureBlendMode(img_texture.get(), SDL_BLENDMODE_BLEND); return img_texture; } -int SDLContext::get_width(const Texture & ctx) const { - int w; - SDL_QueryTexture(ctx.texture.get(), NULL, NULL, &w, NULL); - return w; + +ivec2 SDLContext::get_size(const Texture & ctx) { + ivec2 size; + SDL_QueryTexture(ctx.get_img(), NULL, NULL, &size.x, &size.y); + return size; +} + +std::vector<EventData> SDLContext::get_events() { + std::vector<EventData> event_list; + SDL_Event event; + const CameraAuxiliaryData & cam = this->cam_aux_data; + while (SDL_PollEvent(&event)) { + ivec2 mouse_pos; + mouse_pos.x = (event.button.x - cam.bar_size.x) / cam.render_scale.x; + mouse_pos.y = (event.button.y - cam.bar_size.y) / cam.render_scale.y; + switch (event.type) { + case SDL_QUIT: + event_list.push_back({.event_type = EventType::SHUTDOWN}); + break; + case SDL_KEYDOWN: + event_list.push_back(EventData{ + .event_type = EventType::KEY_DOWN, + .data = { + .key_data = { + .key = this->sdl_to_keycode(event.key.keysym.scancode), + .key_repeat = event.key.repeat != 0, + }, + }, + }); + break; + + case SDL_KEYUP: + event_list.push_back(EventData{ + .event_type = EventType::KEY_UP, + .data = { + .key_data = { + .key = this->sdl_to_keycode(event.key.keysym.scancode), + .key_repeat = event.key.repeat != 0, + }, + }, + }); + break; + + case SDL_MOUSEBUTTONDOWN: + event_list.push_back(EventData{ + .event_type = EventType::MOUSE_DOWN, + .data = { + .mouse_data = { + .mouse_button = this->sdl_to_mousebutton(event.button.button), + .mouse_position = mouse_pos, + }, + }, + }); + break; + case SDL_MOUSEBUTTONUP: + event_list.push_back(EventData{ + .event_type = EventType::MOUSE_UP, + .data = { + .mouse_data = { + .mouse_button = this->sdl_to_mousebutton(event.button.button), + .mouse_position = mouse_pos, + }, + }, + }); + break; + + case SDL_MOUSEMOTION: + event_list.push_back(EventData{ + .event_type = EventType::MOUSE_MOVE, + .data = { + .mouse_data = { + .mouse_position = mouse_pos, + .rel_mouse_move = {event.motion.xrel, event.motion.yrel}, + }, + }, + }); + break; + + case SDL_MOUSEWHEEL: + event_list.push_back(EventData{ + .event_type = EventType::MOUSE_WHEEL, + .data = { + .mouse_data = { + .mouse_position = mouse_pos, + .scroll_direction = event.wheel.y < 0 ? -1 : 1, + .scroll_delta = event.wheel.preciseY, + }, + }, + }); + break; + case SDL_WINDOWEVENT: + this->handle_window_event(event.window, event_list); + break; + } + } + + return event_list; } -int SDLContext::get_height(const Texture & ctx) const { - int h; - SDL_QueryTexture(ctx.texture.get(), NULL, NULL, NULL, &h); - return h; + +void SDLContext::handle_window_event(const SDL_WindowEvent & window_event, + std::vector<EventData> & event_list) { + switch (window_event.event) { + case SDL_WINDOWEVENT_EXPOSED: + event_list.push_back(EventData{EventType::WINDOW_EXPOSE}); + break; + case SDL_WINDOWEVENT_RESIZED: + event_list.push_back(EventData{ + .event_type = EventType::WINDOW_RESIZE, + .data = { + .window_data = { + .resize_dimension = {window_event.data1, window_event.data2} + }, + }, + }); + break; + case SDL_WINDOWEVENT_MOVED: + event_list.push_back(EventData{ + .event_type = EventType::WINDOW_MOVE, + .data = { + .window_data = { + .move_delta = {window_event.data1, window_event.data2} + }, + }, + }); + break; + + case SDL_WINDOWEVENT_MINIMIZED: + event_list.push_back(EventData{EventType::WINDOW_MINIMIZE}); + break; + case SDL_WINDOWEVENT_MAXIMIZED: + event_list.push_back(EventData{EventType::WINDOW_MAXIMIZE}); + break; + case SDL_WINDOWEVENT_FOCUS_GAINED: + event_list.push_back(EventData{EventType::WINDOW_FOCUS_GAIN}); + break; + case SDL_WINDOWEVENT_FOCUS_LOST: + event_list.push_back(EventData{EventType::WINDOW_FOCUS_LOST}); + break; + } +} + +void SDLContext::set_color_texture(const Texture & texture, const Color & color) { + SDL_SetTextureColorMod(texture.get_img(), color.r, color.g, color.b); + SDL_SetTextureAlphaMod(texture.get_img(), color.a); +} + +Asset SDLContext::get_font_from_name(const std::string & font_family) { + return this->font_facade.get_font_asset(font_family); } -void SDLContext::delay(int ms) const { SDL_Delay(ms); } diff --git a/src/crepe/facade/SDLContext.h b/src/crepe/facade/SDLContext.h index 841ffc9..b687f87 100644 --- a/src/crepe/facade/SDLContext.h +++ b/src/crepe/facade/SDLContext.h @@ -1,5 +1,6 @@ #pragma once +#include <SDL2/SDL.h> #include <SDL2/SDL_keycode.h> #include <SDL2/SDL_rect.h> #include <SDL2/SDL_render.h> @@ -8,26 +9,67 @@ #include <functional> #include <memory> #include <string> +#include <unordered_map> -#include "../api/Sprite.h" -#include "../api/Transform.h" +#include "../types.h" #include "api/Camera.h" -#include "api/Vector2.h" +#include "api/Color.h" +#include "api/KeyCodes.h" +#include "api/Sprite.h" +#include "api/Transform.h" +#include "types.h" -namespace crepe { +#include "EventData.h" +#include "FontFacade.h" -// TODO: SDL_Keycode is defined in a header not distributed with crepe, which means this -// typedef is unusable when crepe is packaged. Wouter will fix this later. -typedef SDL_Keycode CREPE_KEYCODES; +namespace crepe { +class Texture; +class Mediator; /** - * \class SDLContext * \brief Facade for the SDL library - * + * * SDLContext is a singleton that handles the SDL window and renderer, provides methods for * event handling, and rendering to the screen. It is never used directly by the user */ class SDLContext { +public: + //! data that the camera component cannot hold + struct CameraAuxiliaryData { + + //! zoomed in viewport in game_units + vec2 zoomed_viewport; + + /** + * \brief scaling factor + * + * depending on the black bars type will the scaling be different. + * - letterboxing --> scaling on the y-as + * - pillarboxing --> scaling on the x-as + */ + vec2 render_scale; + + /** + * \brief size of calculated black bars + * + * depending on the black bars type will the size be different + * - lettorboxing --> {0, bar_height} + * - pillarboxing --> {bar_width , 0} + */ + vec2 bar_size; + + //! Calculated camera position + vec2 cam_pos; + }; + + //! rendering data needed to render on screen + struct RenderContext { + const Sprite & sprite; + const Texture & texture; + const vec2 & pos; + const double & angle; + const double & scale; + }; public: /** @@ -36,25 +78,77 @@ public: */ static SDLContext & get_instance(); +public: SDLContext(const SDLContext &) = delete; SDLContext(SDLContext &&) = delete; SDLContext & operator=(const SDLContext &) = delete; SDLContext & operator=(SDLContext &&) = delete; -private: - //! will only use handle_events - friend class LoopManager; +public: /** - * \brief Handles SDL events such as window close and input. - * \param running Reference to a boolean flag that controls the main loop. + * \brief Constructs an SDLContext instance. + * Initializes SDL, creates a window and renderer. */ - void handle_events(bool & running); + SDLContext(Mediator & mediator); -private: - //! Will only use get_ticks - friend class AnimatorSystem; - //! Will only use delay - friend class LoopTimer; + /** + * \brief Destroys the SDLContext instance. + * Cleans up SDL resources, including the window and renderer. + */ + ~SDLContext(); + +public: + /** + * \brief Retrieves a list of all events from the SDL context. + * + * This method retrieves all the events from the SDL context that are currently + * available. It is primarily used by the InputSystem to process various + * input events such as mouse clicks, mouse movements, and keyboard presses. + * + * \return Events that occurred since last call to `get_events()` + */ + std::vector<EventData> get_events(); + /** + * \brief Fills event_list with triggered window events + * + * This method checks if any window events are triggered and adds them to the event_list. + * + */ + void handle_window_event(const SDL_WindowEvent & window_event, + std::vector<EventData> & event_list); + /** + * \brief Converts an SDL scan code to the custom Keycode type. + * + * This method maps an SDL scan code to the corresponding `Keycode` enum value, + * which is used internally by the system to identify the keys. + * + * \param sdl_key The SDL scan code to convert. + * \return The corresponding `Keycode` value or `Keycode::NONE` if the key is unrecognized. + */ + Keycode sdl_to_keycode(SDL_Scancode sdl_key); + + /** + * \brief Converts an SDL mouse button code to the custom MouseButton type. + * + * This method maps an SDL mouse button code to the corresponding `MouseButton` + * enum value, which is used internally by the system to identify mouse buttons. + * + * \param sdl_button The SDL mouse button code to convert. + * \return The corresponding `MouseButton` value or `MouseButton::NONE` if the key is unrecognized + */ + MouseButton sdl_to_mousebutton(Uint8 sdl_button); + /** + * \brief Gets the current state of the keyboard. + * + * Updates the internal keyboard state by checking the current key states using + * SDL's `SDL_GetKeyboardState()`, and returns a reference to the `keyboard_state_t`. + * + * \return A constant reference to the `keyboard_state_t`, which holds the state + * of each key (true = pressed, false = not pressed). + */ + const keyboard_state_t & get_keyboard_state(); + +public: /** * \brief Gets the current SDL ticks since the program started. * \return Current ticks in milliseconds as a constant uint64_t. @@ -70,23 +164,7 @@ private: */ void delay(int ms) const; -private: - /** - * \brief Constructs an SDLContext instance. - * Initializes SDL, creates a window and renderer. - */ - SDLContext(); - - /** - * \brief Destroys the SDLContext instance. - * Cleans up SDL resources, including the window and renderer. - */ - ~SDLContext(); - -private: - //! Will use the funtions: texture_from_path, get_width,get_height. - friend class Texture; - +public: /** * \brief Loads a texture from a file path. * \param path Path to the image file. @@ -95,33 +173,18 @@ private: std::unique_ptr<SDL_Texture, std::function<void(SDL_Texture *)>> texture_from_path(const std::string & path); /** - * \brief Gets the width of a texture. - * \param texture Reference to the Texture object. - * \return Width of the texture as an integer. - */ - int get_width(const Texture &) const; - - /** - * \brief Gets the height of a texture. + * \brief Gets the size of a texture. * \param texture Reference to the Texture object. - * \return Height of the texture as an integer. + * \return Width and height of the texture as an integer in pixels. */ - int get_height(const Texture &) const; - -private: - //! Will use draw,clear_screen, present_screen, camera. - friend class RenderSystem; + ivec2 get_size(const Texture & ctx); +public: /** * \brief Draws a sprite to the screen using the specified transform and camera. - * \param sprite Reference to the Sprite to draw. - * \param transform Reference to the Transform for positioning. - * \param camera Reference to the Camera for view adjustments. + * \param RenderContext Reference to rendering data to draw */ - void draw(const Sprite & sprite, const Transform & transform, const Camera & camera); - - void draw_particle(const Sprite & sprite, const Vector2 & pos, const double & angle, - const double & scale, const Camera & camera); + void draw(const RenderContext & ctx); //! Clears the screen, preparing for a new frame. void clear_screen(); @@ -130,31 +193,38 @@ private: void present_screen(); /** - * \brief sets the background of the camera (will be adjusted in future PR) - * \param camera Reference to the Camera object. + * \brief calculates camera view settings. such as black_bars, zoomed_viewport, scaling and + * adjusting window size. + * + * \note only supports windowed mode. + * \param camera Reference to the current Camera object in the scene. + * \param new_pos new camera position from transform and offset */ - void set_camera(const Camera & camera); + void update_camera_view(const Camera & camera, const vec2 & new_pos); + +public: + //! the data needed to construct a sdl dst rectangle + struct DestinationRectangleData { + const Sprite & sprite; + const Texture & texture; + const vec2 & pos; + const double & img_scale; + }; -private: /** - * \brief calculates the sqaure size of the image + * \brief calculates the sqaure size of the image for destination * - * \param sprite Reference to the sprite to calculate the rectangle - * \return sdl rectangle to draw a src image + * \param data needed to calculate a destination rectangle + * \return sdl rectangle to draw a dst image to draw on the screen */ - SDL_Rect get_src_rect(const Sprite & sprite) const; + SDL_FRect get_dst_rect(const DestinationRectangleData & data) const; /** - * \brief calculates the sqaure size of the image for an destination + * \brief Set an additional color value multiplied into render copy operations. * - * \param sprite Reference to the sprite to calculate the rectangle - * \param pos the pos in pixel positions - * \param scale the multiplier to increase of decrease for the specified sprite - * \param cam Reference to the current camera in the scene to calculate the position based - * on the camera - * \return sdl rectangle to draw a dst image to draw on the screen + * \param texture the given texture to adjust + * \param color the color data for the texture */ - SDL_Rect get_dst_rect(const Sprite & sprite, const Vector2 & pos, const double & scale, - const Camera & cam) const; + void set_color_texture(const Texture & texture, const Color & color); private: //! sdl Window @@ -163,8 +233,133 @@ private: //! renderer for the crepe engine std::unique_ptr<SDL_Renderer, std::function<void(SDL_Renderer *)>> game_renderer; - //! viewport for the camera window - SDL_Rect viewport = {0, 0, 640, 480}; + //! black bars rectangle to draw + SDL_FRect black_bars[2] = {}; + + /** + * \cam_aux_data extra data that the component cannot hold. + * + * - this is defined in this class because get_events() needs this information aswell + */ + CameraAuxiliaryData cam_aux_data; + +private: + //! instance of the font_facade + FontFacade font_facade{}; + +public: + /** + * \brief Function to Get asset from font_family + * + * This function uses the FontFacade function to convert a font_family to an asset. + * + * \param font_family name of the font style that needs to be used (will return an asset with default font path of the font_family doesnt exist) + * + * \return asset with the font style absolute path + */ + Asset get_font_from_name(const std::string & font_family); + //! variable to store the state of each key (true = pressed, false = not pressed) + keyboard_state_t keyboard_state; + //! lookup table for converting SDL_SCANCODES to Keycodes + const std::unordered_map<SDL_Scancode, Keycode> lookup_table + = {{SDL_SCANCODE_SPACE, Keycode::SPACE}, + {SDL_SCANCODE_APOSTROPHE, Keycode::APOSTROPHE}, + {SDL_SCANCODE_COMMA, Keycode::COMMA}, + {SDL_SCANCODE_MINUS, Keycode::MINUS}, + {SDL_SCANCODE_PERIOD, Keycode::PERIOD}, + {SDL_SCANCODE_SLASH, Keycode::SLASH}, + {SDL_SCANCODE_0, Keycode::D0}, + {SDL_SCANCODE_1, Keycode::D1}, + {SDL_SCANCODE_2, Keycode::D2}, + {SDL_SCANCODE_3, Keycode::D3}, + {SDL_SCANCODE_4, Keycode::D4}, + {SDL_SCANCODE_5, Keycode::D5}, + {SDL_SCANCODE_6, Keycode::D6}, + {SDL_SCANCODE_7, Keycode::D7}, + {SDL_SCANCODE_8, Keycode::D8}, + {SDL_SCANCODE_9, Keycode::D9}, + {SDL_SCANCODE_SEMICOLON, Keycode::SEMICOLON}, + {SDL_SCANCODE_EQUALS, Keycode::EQUAL}, + {SDL_SCANCODE_A, Keycode::A}, + {SDL_SCANCODE_B, Keycode::B}, + {SDL_SCANCODE_C, Keycode::C}, + {SDL_SCANCODE_D, Keycode::D}, + {SDL_SCANCODE_E, Keycode::E}, + {SDL_SCANCODE_F, Keycode::F}, + {SDL_SCANCODE_G, Keycode::G}, + {SDL_SCANCODE_H, Keycode::H}, + {SDL_SCANCODE_I, Keycode::I}, + {SDL_SCANCODE_J, Keycode::J}, + {SDL_SCANCODE_K, Keycode::K}, + {SDL_SCANCODE_L, Keycode::L}, + {SDL_SCANCODE_M, Keycode::M}, + {SDL_SCANCODE_N, Keycode::N}, + {SDL_SCANCODE_O, Keycode::O}, + {SDL_SCANCODE_P, Keycode::P}, + {SDL_SCANCODE_Q, Keycode::Q}, + {SDL_SCANCODE_R, Keycode::R}, + {SDL_SCANCODE_S, Keycode::S}, + {SDL_SCANCODE_T, Keycode::T}, + {SDL_SCANCODE_U, Keycode::U}, + {SDL_SCANCODE_V, Keycode::V}, + {SDL_SCANCODE_W, Keycode::W}, + {SDL_SCANCODE_X, Keycode::X}, + {SDL_SCANCODE_Y, Keycode::Y}, + {SDL_SCANCODE_Z, Keycode::Z}, + {SDL_SCANCODE_LEFTBRACKET, Keycode::LEFT_BRACKET}, + {SDL_SCANCODE_BACKSLASH, Keycode::BACKSLASH}, + {SDL_SCANCODE_RIGHTBRACKET, Keycode::RIGHT_BRACKET}, + {SDL_SCANCODE_GRAVE, Keycode::GRAVE_ACCENT}, + {SDL_SCANCODE_ESCAPE, Keycode::ESCAPE}, + {SDL_SCANCODE_RETURN, Keycode::ENTER}, + {SDL_SCANCODE_TAB, Keycode::TAB}, + {SDL_SCANCODE_BACKSPACE, Keycode::BACKSPACE}, + {SDL_SCANCODE_INSERT, Keycode::INSERT}, + {SDL_SCANCODE_DELETE, Keycode::DELETE}, + {SDL_SCANCODE_RIGHT, Keycode::RIGHT}, + {SDL_SCANCODE_LEFT, Keycode::LEFT}, + {SDL_SCANCODE_DOWN, Keycode::DOWN}, + {SDL_SCANCODE_UP, Keycode::UP}, + {SDL_SCANCODE_PAGEUP, Keycode::PAGE_UP}, + {SDL_SCANCODE_PAGEDOWN, Keycode::PAGE_DOWN}, + {SDL_SCANCODE_HOME, Keycode::HOME}, + {SDL_SCANCODE_END, Keycode::END}, + {SDL_SCANCODE_CAPSLOCK, Keycode::CAPS_LOCK}, + {SDL_SCANCODE_SCROLLLOCK, Keycode::SCROLL_LOCK}, + {SDL_SCANCODE_NUMLOCKCLEAR, Keycode::NUM_LOCK}, + {SDL_SCANCODE_PRINTSCREEN, Keycode::PRINT_SCREEN}, + {SDL_SCANCODE_PAUSE, Keycode::PAUSE}, + {SDL_SCANCODE_F1, Keycode::F1}, + {SDL_SCANCODE_F2, Keycode::F2}, + {SDL_SCANCODE_F3, Keycode::F3}, + {SDL_SCANCODE_F4, Keycode::F4}, + {SDL_SCANCODE_F5, Keycode::F5}, + {SDL_SCANCODE_F6, Keycode::F6}, + {SDL_SCANCODE_F7, Keycode::F7}, + {SDL_SCANCODE_F8, Keycode::F8}, + {SDL_SCANCODE_F9, Keycode::F9}, + {SDL_SCANCODE_F10, Keycode::F10}, + {SDL_SCANCODE_F11, Keycode::F11}, + {SDL_SCANCODE_F12, Keycode::F12}, + {SDL_SCANCODE_KP_0, Keycode::KP0}, + {SDL_SCANCODE_KP_1, Keycode::KP1}, + {SDL_SCANCODE_KP_2, Keycode::KP2}, + {SDL_SCANCODE_KP_3, Keycode::KP3}, + {SDL_SCANCODE_KP_4, Keycode::KP4}, + {SDL_SCANCODE_KP_5, Keycode::KP5}, + {SDL_SCANCODE_KP_6, Keycode::KP6}, + {SDL_SCANCODE_KP_7, Keycode::KP7}, + {SDL_SCANCODE_KP_8, Keycode::KP8}, + {SDL_SCANCODE_KP_9, Keycode::KP9}, + {SDL_SCANCODE_LSHIFT, Keycode::LEFT_SHIFT}, + {SDL_SCANCODE_LCTRL, Keycode::LEFT_CONTROL}, + {SDL_SCANCODE_LALT, Keycode::LEFT_ALT}, + {SDL_SCANCODE_LGUI, Keycode::LEFT_SUPER}, + {SDL_SCANCODE_RSHIFT, Keycode::RIGHT_SHIFT}, + {SDL_SCANCODE_RCTRL, Keycode::RIGHT_CONTROL}, + {SDL_SCANCODE_RALT, Keycode::RIGHT_ALT}, + {SDL_SCANCODE_RGUI, Keycode::RIGHT_SUPER}, + {SDL_SCANCODE_MENU, Keycode::MENU}}; }; } // namespace crepe diff --git a/src/crepe/facade/Sound.cpp b/src/crepe/facade/Sound.cpp index 4d3abf5..b1e6463 100644 --- a/src/crepe/facade/Sound.cpp +++ b/src/crepe/facade/Sound.cpp @@ -1,59 +1,13 @@ -#include "../util/Log.h" +#include "../api/Asset.h" +#include "../util/dbg.h" #include "Sound.h" -#include "SoundContext.h" using namespace crepe; using namespace std; -Sound::Sound(unique_ptr<Asset> res) { +Sound::Sound(const Asset & src, Mediator & mediator) : Resource(src, mediator) { + this->sample.load(src.get_path().c_str()); dbg_trace(); - this->load(std::move(res)); -} - -Sound::Sound(const char * src) { - dbg_trace(); - this->load(make_unique<Asset>(src)); -} - -void Sound::load(unique_ptr<Asset> res) { this->sample.load(res->get_path().c_str()); } - -void Sound::play() { - SoundContext & ctx = SoundContext::get_instance(); - if (ctx.engine.getPause(this->handle)) { - // resume if paused - ctx.engine.setPause(this->handle, false); - } else { - // or start new sound - this->handle = ctx.engine.play(this->sample, this->volume); - ctx.engine.setLooping(this->handle, this->looping); - } -} - -void Sound::pause() { - SoundContext & ctx = SoundContext::get_instance(); - if (ctx.engine.getPause(this->handle)) return; - ctx.engine.setPause(this->handle, true); -} - -void Sound::rewind() { - SoundContext & ctx = SoundContext::get_instance(); - if (!ctx.engine.isValidVoiceHandle(this->handle)) return; - ctx.engine.seek(this->handle, 0); -} - -void Sound::set_volume(float volume) { - this->volume = volume; - - SoundContext & ctx = SoundContext::get_instance(); - if (!ctx.engine.isValidVoiceHandle(this->handle)) return; - ctx.engine.setVolume(this->handle, this->volume); -} - -void Sound::set_looping(bool looping) { - this->looping = looping; - - SoundContext & ctx = SoundContext::get_instance(); - if (!ctx.engine.isValidVoiceHandle(this->handle)) return; - ctx.engine.setLooping(this->handle, this->looping); } +Sound::~Sound() { dbg_trace(); } diff --git a/src/crepe/facade/Sound.h b/src/crepe/facade/Sound.h index 4c68f32..4a5d692 100644 --- a/src/crepe/facade/Sound.h +++ b/src/crepe/facade/Sound.h @@ -1,84 +1,31 @@ #pragma once -#include <memory> #include <soloud/soloud.h> #include <soloud/soloud_wav.h> -#include "../api/Asset.h" +#include "../Resource.h" namespace crepe { +class SoundContext; +class Mediator; + /** * \brief Sound resource facade * - * This class is a wrapper around a \c SoLoud::Wav instance, which holds a - * single sample. It is part of the sound facade. + * This class is a wrapper around a \c SoLoud::Wav instance, which holds a single sample. It is + * part of the sound facade. */ -class Sound { -public: - /** - * \brief Pause this sample - * - * Pauses this sound if it is playing, or does nothing if it is already paused. The playhead - * position is saved, such that calling \c play() after this function makes the sound resume. - */ - void pause(); - /** - * \brief Play this sample - * - * Resume playback if this sound is paused, or start from the beginning of the sample. - * - * \note This class only saves a reference to the most recent 'voice' of this sound. Calling - * \c play() while the sound is already playing causes multiple instances of the sample to - * play simultaniously. The sample started last is the one that is controlled afterwards. - */ - void play(); - /** - * \brief Reset playhead position - * - * Resets the playhead position so that calling \c play() after this function makes it play - * from the start of the sample. If the sound is not paused before calling this function, - * this function will stop playback. - */ - void rewind(); - /** - * \brief Set playback volume / gain - * - * \param volume Volume (0 = muted, 1 = full volume) - */ - void set_volume(float volume); - /** - * \brief Get playback volume / gain - * - * \return Volume - */ - float get_volume() const { return this->volume; } - /** - * \brief Set looping behavior for this sample - * - * \param looping Looping behavior (false = one-shot, true = loop) - */ - void set_looping(bool looping); - /** - * \brief Get looping behavior - * - * \return true if looping, false if one-shot - */ - bool get_looping() const { return this->looping; } - +class Sound : public Resource { public: - Sound(const char * src); - Sound(std::unique_ptr<Asset> res); - -private: - void load(std::unique_ptr<Asset> res); + Sound(const Asset & src, Mediator & mediator); + ~Sound(); // dbg_trace private: + //! Deserialized resource (soloud) SoLoud::Wav sample; - SoLoud::handle handle; - - float volume = 1.0f; - bool looping = false; + //! SoundContext uses \c sample + friend class SoundContext; }; } // namespace crepe diff --git a/src/crepe/facade/SoundContext.cpp b/src/crepe/facade/SoundContext.cpp index deb2b62..5091e07 100644 --- a/src/crepe/facade/SoundContext.cpp +++ b/src/crepe/facade/SoundContext.cpp @@ -1,20 +1,36 @@ -#include "../util/Log.h" +#include "../util/dbg.h" #include "SoundContext.h" using namespace crepe; -SoundContext & SoundContext::get_instance() { - static SoundContext instance; - return instance; -} - SoundContext::SoundContext() { dbg_trace(); - engine.init(); + this->engine.init(); + this->engine.setMaxActiveVoiceCount(this->config.audio.voices); } SoundContext::~SoundContext() { dbg_trace(); - engine.deinit(); + this->engine.deinit(); +} + +SoundHandle SoundContext::play(Sound & resource) { + SoLoud::handle real_handle = this->engine.play(resource.sample, 1.0f); + SoundHandle handle = this->next_handle; + this->registry[handle] = real_handle; + this->next_handle++; + return handle; +} + +void SoundContext::stop(const SoundHandle & handle) { + this->engine.stop(this->registry[handle]); +} + +void SoundContext::set_volume(const SoundHandle & handle, float volume) { + this->engine.setVolume(this->registry[handle], volume); +} + +void SoundContext::set_loop(const SoundHandle & handle, bool loop) { + this->engine.setLooping(this->registry[handle], loop); } diff --git a/src/crepe/facade/SoundContext.h b/src/crepe/facade/SoundContext.h index d703c16..d986c59 100644 --- a/src/crepe/facade/SoundContext.h +++ b/src/crepe/facade/SoundContext.h @@ -2,30 +2,80 @@ #include <soloud/soloud.h> +#include "../api/Config.h" + #include "Sound.h" +#include "SoundHandle.h" namespace crepe { /** * \brief Sound engine facade * - * This class is a wrapper around a \c SoLoud::Soloud instance, which provides - * the methods for playing \c Sound instances. It is part of the sound facade. + * This class is a wrapper around a \c SoLoud::Soloud instance, which provides the methods for + * playing \c Sound instances. It is part of the sound facade. */ class SoundContext { -private: - // singleton +public: SoundContext(); virtual ~SoundContext(); + SoundContext(const SoundContext &) = delete; SoundContext(SoundContext &&) = delete; SoundContext & operator=(const SoundContext &) = delete; SoundContext & operator=(SoundContext &&) = delete; + /** + * \brief Play a sample + * + * Plays a Sound from the beginning of the sample and returns a handle to control it later. + * + * \param resource Sound instance to play + * + * \returns Handle to control this voice + */ + virtual SoundHandle play(Sound & resource); + /** + * \brief Stop a voice immediately if it is still playing + * + * \note This function does nothing if the handle is invalid or if the sound is already + * stopped / finished playing. + * + * \param handle Voice handle returned by SoundContext::play + */ + virtual void stop(const SoundHandle & handle); + /** + * \brief Change the volume of a voice + * + * \note This function does nothing if the handle is invalid or if the sound is already + * stopped / finished playing. + * + * \param handle Voice handle returned by SoundContext::play + * \param volume New gain value (0=silent, 1=default) + */ + virtual void set_volume(const SoundHandle & handle, float volume); + /** + * \brief Set the looping behavior of a voice + * + * \note This function does nothing if the handle is invalid or if the sound is already + * stopped / finished playing. + * + * \param handle Voice handle returned by SoundContext::play + * \param loop Looping behavior (false=oneshot, true=loop) + */ + virtual void set_loop(const SoundHandle & handle, bool loop); + private: - static SoundContext & get_instance(); + //! Abstracted class SoLoud::Soloud engine; - friend class Sound; + + //! Config reference + Config & config = Config::get_instance(); + + //! Sound handle registry + std::unordered_map<SoundHandle, SoLoud::handle> registry; + //! Unique handle counter + SoundHandle next_handle = 0; }; } // namespace crepe diff --git a/src/crepe/facade/SoundHandle.h b/src/crepe/facade/SoundHandle.h new file mode 100644 index 0000000..b7925fc --- /dev/null +++ b/src/crepe/facade/SoundHandle.h @@ -0,0 +1,12 @@ +#pragma once + +#include <cstddef> + +namespace crepe { + +/** + * \brief Voice handle returned by + */ +typedef size_t SoundHandle; + +} // namespace crepe diff --git a/src/crepe/facade/Texture.cpp b/src/crepe/facade/Texture.cpp new file mode 100644 index 0000000..6fb22e1 --- /dev/null +++ b/src/crepe/facade/Texture.cpp @@ -0,0 +1,29 @@ +#include "../Resource.h" +#include "../facade/SDLContext.h" +#include "../manager/Mediator.h" +#include "../types.h" +#include "../util/dbg.h" + +#include "Texture.h" + +using namespace crepe; +using namespace std; + +Texture::Texture(const Asset & src, Mediator & mediator) : Resource(src, mediator) { + dbg_trace(); + SDLContext & ctx = mediator.sdl_context; + this->texture = ctx.texture_from_path(src.get_path()); + this->size = ctx.get_size(*this); + this->aspect_ratio = static_cast<float>(this->size.x) / this->size.y; +} + +Texture::~Texture() { + dbg_trace(); + this->texture.reset(); +} + +const ivec2 & Texture::get_size() const noexcept { return this->size; } + +const float & Texture::get_ratio() const noexcept { return this->aspect_ratio; } + +SDL_Texture * Texture::get_img() const noexcept { return this->texture.get(); } diff --git a/src/crepe/facade/Texture.h b/src/crepe/facade/Texture.h new file mode 100644 index 0000000..cdacac4 --- /dev/null +++ b/src/crepe/facade/Texture.h @@ -0,0 +1,69 @@ +#pragma once + +#include <SDL2/SDL_render.h> +#include <memory> + +#include "../Resource.h" + +#include "types.h" + +namespace crepe { + +class Mediator; +class Asset; + +/** + * \class Texture + * \brief Manages texture loading and properties. + * + * The Texture class is responsible for loading an image from a source and providing access to + * its dimensions. Textures can be used for rendering. + */ +class Texture : public Resource { + +public: + /** + * \brief Constructs a Texture from an Asset resource. + * \param src Asset with texture data to load. + * \param mediator use the SDLContext reference to load the image + */ + Texture(const Asset & src, Mediator & mediator); + + /** + * \brief Destroys the Texture instance + */ + ~Texture(); + + /** + * \brief get width and height of image in pixels + * \return pixel size width and height + * + */ + const ivec2 & get_size() const noexcept; + + /** + * \brief aspect_ratio of image + * \return ratio + * + */ + const float & get_ratio() const noexcept; + + /** + * \brief get the image texture + * \return SDL_Texture + * + */ + SDL_Texture * get_img() const noexcept; + +private: + //! The texture of the class from the library + std::unique_ptr<SDL_Texture, std::function<void(SDL_Texture *)>> texture; + + // texture size in pixel + ivec2 size; + + //! ratio of image + float aspect_ratio; +}; + +} // namespace crepe diff --git a/src/crepe/manager/CMakeLists.txt b/src/crepe/manager/CMakeLists.txt new file mode 100644 index 0000000..48e444f --- /dev/null +++ b/src/crepe/manager/CMakeLists.txt @@ -0,0 +1,30 @@ +target_sources(crepe PUBLIC + ComponentManager.cpp + EventManager.cpp + Manager.cpp + SaveManager.cpp + SceneManager.cpp + LoopTimerManager.cpp + ResourceManager.cpp + ReplayManager.cpp + SystemManager.cpp +) + +target_sources(crepe PUBLIC FILE_SET HEADERS FILES + ComponentManager.h + ComponentManager.hpp + EventManager.h + EventManager.hpp + Manager.h + Mediator.h + SaveManager.h + SceneManager.h + SceneManager.hpp + LoopTimerManager.h + ResourceManager.h + ResourceManager.hpp + ReplayManager.h + SystemManager.h + SystemManager.hpp +) + diff --git a/src/crepe/manager/ComponentManager.cpp b/src/crepe/manager/ComponentManager.cpp new file mode 100644 index 0000000..745ddae --- /dev/null +++ b/src/crepe/manager/ComponentManager.cpp @@ -0,0 +1,99 @@ +#include "../api/GameObject.h" +#include "../api/Metadata.h" +#include "../types.h" +#include "../util/dbg.h" + +#include "ComponentManager.h" + +using namespace crepe; +using namespace std; + +ComponentManager::ComponentManager(Mediator & mediator) : Manager(mediator) { + mediator.component_manager = *this; + dbg_trace(); +} +ComponentManager::~ComponentManager() { dbg_trace(); } + +void ComponentManager::delete_all_components_of_id(game_object_id_t id) { + // Do not delete persistent objects + if (this->persistent[id]) { + return; + } + + // Loop through all the types (in the unordered_map<>) + for (auto & [type, component_array] : this->components) { + // Make sure that the id (that we are looking for) is within the boundaries of the vector<> + if (id < component_array.size()) { + // Clear the components at this specific id + component_array[id].clear(); + } + } +} + +void ComponentManager::delete_all_components() { + // Loop through all the types (in the unordered_map<>) + for (auto & [type, component_array] : this->components) { + // Loop through all the ids (in the vector<>) + for (game_object_id_t id = 0; id < component_array.size(); id++) { + // Do not delete persistent objects + if (!this->persistent[id]) { + // Clear the components at this specific id + component_array[id].clear(); + } + } + } + + this->next_id = 0; +} + +GameObject ComponentManager::new_object(const string & name, const string & tag, + const vec2 & position, double rotation, double scale) { + // Find the first available id (taking persistent objects into account) + while (this->persistent[this->next_id]) { + this->next_id++; + } + + GameObject object{this->mediator, this->next_id, name, tag, position, rotation, scale}; + this->next_id++; + + return object; +} + +void ComponentManager::set_persistent(game_object_id_t id, bool persistent) { + this->persistent[id] = persistent; +} + +set<game_object_id_t> ComponentManager::get_objects_by_name(const string & name) const { + return this->get_objects_by_predicate<Metadata>( + [name](const Metadata & data) { return data.name == name; }); +} + +set<game_object_id_t> ComponentManager::get_objects_by_tag(const string & tag) const { + return this->get_objects_by_predicate<Metadata>( + [tag](const Metadata & data) { return data.tag == tag; }); +} + +ComponentManager::Snapshot ComponentManager::save() { + Snapshot snapshot{}; + for (const auto & [type, by_id_index] : this->components) { + for (game_object_id_t id = 0; id < by_id_index.size(); id++) { + const auto & components = by_id_index[id]; + for (size_t index = 0; index < components.size(); index++) { + const Component & component = *components[index]; + snapshot.components.push_back(SnapshotComponent{ + .type = type, + .id = id, + .index = index, + .component = component.save(), + }); + } + } + } + return snapshot; +} + +void ComponentManager::restore(const Snapshot & snapshot) { + for (const SnapshotComponent & info : snapshot.components) { + this->components[info.type][info.id][info.index]->restore(*info.component); + } +} diff --git a/src/crepe/manager/ComponentManager.h b/src/crepe/manager/ComponentManager.h new file mode 100644 index 0000000..c3a5b4a --- /dev/null +++ b/src/crepe/manager/ComponentManager.h @@ -0,0 +1,252 @@ +#pragma once + +#include <memory> +#include <set> +#include <typeindex> +#include <unordered_map> +#include <vector> + +#include "../Component.h" +#include "../types.h" + +#include "Manager.h" + +namespace crepe { + +class GameObject; + +/** + * \brief Manages all components + * + * This class manages all components. It provides methods to add, delete and get components. + */ +class ComponentManager : public Manager { +public: + ComponentManager(Mediator & mediator); + ~ComponentManager(); // dbg_trace + + /** + * \brief Create a new game object using the component manager + * + * \param name Metadata::name (required) + * \param tag Metadata::tag (optional, empty by default) + * \param position Transform::position (optional, origin by default) + * \param rotation Transform::rotation (optional, 0 by default) + * \param scale Transform::scale (optional, 1 by default) + * + * \returns GameObject interface + * + * \note This method automatically assigns a new entity ID + */ + GameObject new_object(const std::string & name, const std::string & tag = "", + const vec2 & position = {0, 0}, double rotation = 0, + double scale = 1); + +public: + /** + * \brief Add a component to the ComponentManager + * + * This method adds a component to the ComponentManager. The component is created with the + * given arguments and added to the ComponentManager. + * + * \tparam T The type of the component + * \tparam Args The types of the arguments + * \param id The id of the GameObject this component belongs to + * \param args The arguments to create the component + * \return The created component + */ + template <typename T, typename... Args> + T & add_component(game_object_id_t id, Args &&... args); + /** + * \brief Delete all components of a specific type and id + * + * This method deletes all components of a specific type and id. + * + * \tparam T The type of the component + * \param id The id of the GameObject this component belongs to + */ + template <typename T> + void delete_components_by_id(game_object_id_t id); + /** + * \brief Delete all components of a specific type + * + * This method deletes all components of a specific type. + * + * \tparam T The type of the component + */ + template <typename T> + void delete_components(); + /** + * \brief Delete all components of a specific id + * + * This method deletes all components of a specific id. + * + * \param id The id of the GameObject this component belongs to + */ + void delete_all_components_of_id(game_object_id_t id); + /** + * \brief Delete all components + * + * This method deletes all components. + */ + void delete_all_components(); + /** + * \brief Set a GameObject as persistent + * + * This method sets a GameObject as persistent. If a GameObject is persistent, its + * components will not be deleted. + * + * \param id The id of the GameObject to set as persistent + * \param persistent The persistent flag + */ + void set_persistent(game_object_id_t id, bool persistent); + +public: + /** + * \brief Get all components of a specific type and id + * + * This method gets all components of a specific type and id. + * + * \tparam T The type of the component + * \param id The id of the GameObject this component belongs to + * \return A vector of all components of the specific type and id + */ + template <typename T> + RefVector<T> get_components_by_id(game_object_id_t id) const; + /** + * \brief Get all components of a specific type + * + * This method gets all components of a specific type. + * + * \tparam T The type of the component + * \return A vector of all components of the specific type + */ + template <typename T> + RefVector<T> get_components_by_type() const; + /** + * \brief Get all components of a specific type on a GameObject with name \c name + * + * \tparam T The type of the component + * \param name Metadata::name for the same game_object_id as the returned components + * \return Components matching criteria + */ + template <typename T> + RefVector<T> get_components_by_name(const std::string & name) const; + /** + * \brief Get all components of a specific type on a GameObject with tag \c tag + * + * \tparam T The type of the component + * \param name Metadata::tag for the same game_object_id as the returned components + * \return Components matching criteria + */ + template <typename T> + RefVector<T> get_components_by_tag(const std::string & tag) const; + + //! Snapshot of single component (including path in \c components) + struct SnapshotComponent { + //! \c components path + std::type_index type; + //! \c components path + game_object_id_t id; + //! \c components path + size_t index; + //! Actual component snapshot + std::unique_ptr<Component> component; + }; + //! Snapshot of the entire component manager state + struct Snapshot { + //! All components + std::vector<SnapshotComponent> components; + // TODO: some kind of hash code that ensures components exist in all the same places as + // this snapshot + }; + /** + * \name ReplayManager (Memento) functions + * \{ + */ + /** + * \brief Save a snapshot of the component manager state + * \returns Deep copy of the component manager's internal state + */ + Snapshot save(); + /** + * \brief Restore component manager from a snapshot + * \param snapshot Snapshot to restore from (as returned by \c save()) + */ + void restore(const Snapshot & snapshot); + //! \} + +private: + /** + * \brief Get object IDs by predicate function + * + * This function calls the predicate function \c pred for all components matching type \c T, + * and adds their parent game_object_id to a \c std::set if the predicate returns true. + * + * \tparam T The type of the component to check the predicate against + * \param pred Predicate function + * + * \note The predicate function may be called for multiple components with the same \c + * game_object_id. In this case, the ID is added if *any* call returns \c true. + * + * \returns game_object_id for all components where the predicate returned true + */ + template <typename T> + std::set<game_object_id_t> + get_objects_by_predicate(const std::function<bool(const T &)> & pred) const; + + /** + * \brief Get components of type \c T for multiple game object IDs + * + * \tparam T The type of the components to return + * \param ids The object IDs + * + * \return All components matching type \c T and one of the IDs in \c ids + */ + template <typename T> + RefVector<T> get_components_by_ids(const std::set<game_object_id_t> & ids) const; + + /** + * \brief Get object IDs for objects with name \c name + * + * \param name Object name to match + * \returns Object IDs where Metadata::name is equal to \c name + */ + std::set<game_object_id_t> get_objects_by_name(const std::string & name) const; + /** + * \brief Get object IDs for objects with tag \c tag + * + * \param tag Object tag to match + * \returns Object IDs where Metadata::tag is equal to \c tag + */ + std::set<game_object_id_t> get_objects_by_tag(const std::string & tag) const; + +private: + //! By Component \c std::type_index (readability helper type) + template <typename T> + using by_type = std::unordered_map<std::type_index, T>; + //! By \c game_object_id index (readability helper type) + template <typename T> + using by_id_index = std::vector<T>; + /** + * \brief The components + * + * This unordered_map stores all components. The key is the type of the component and the + * value is a vector of vectors of unique pointers to the components. + * + * Every component type has its own vector of vectors of unique pointers to the components. + * The first vector is for the ids of the GameObjects and the second vector is for the + * components (because a GameObject might have multiple components). + */ + by_type<by_id_index<std::vector<std::unique_ptr<Component>>>> components; + + //! Persistent flag for each GameObject + std::unordered_map<game_object_id_t, bool> persistent; + + //! ID of next GameObject allocated by \c ComponentManager::new_object + game_object_id_t next_id = 0; +}; + +} // namespace crepe + +#include "ComponentManager.hpp" diff --git a/src/crepe/ComponentManager.hpp b/src/crepe/manager/ComponentManager.hpp index 4d5eaf4..9e70865 100644 --- a/src/crepe/ComponentManager.hpp +++ b/src/crepe/manager/ComponentManager.hpp @@ -54,6 +54,11 @@ template <typename T> void ComponentManager::delete_components_by_id(game_object_id_t id) { using namespace std; + // Do not delete persistent objects + if (this->persistent[id]) { + return; + } + // Determine the type of T (this is used as the key of the unordered_map<>) type_index type = typeid(T); @@ -77,39 +82,38 @@ void ComponentManager::delete_components() { if (this->components.find(type) == this->components.end()) return; - this->components[type].clear(); + // Loop through the whole vector<> of this specific type + for (game_object_id_t i = 0; i < this->components[type].size(); ++i) { + // Do not delete persistent objects + if (!this->persistent[i]) { + this->components[type][i].clear(); + } + } } template <typename T> RefVector<T> ComponentManager::get_components_by_id(game_object_id_t id) const { using namespace std; - // Determine the type of T (this is used as the key of the unordered_map<>) - type_index type = typeid(T); - - // Create an empty vector<> - RefVector<T> component_vector; - - if (this->components.find(type) == this->components.end()) return component_vector; - - // Get the correct vector<> - const vector<vector<unique_ptr<Component>>> & component_array = this->components.at(type); - - // Make sure that the id (that we are looking for) is within the boundaries of the vector<> - if (id >= component_array.size()) return component_vector; - - // Loop trough the whole vector<> - for (const unique_ptr<Component> & component_ptr : component_array[id]) { - // Cast the unique_ptr to a raw pointer - T * casted_component = static_cast<T *>(component_ptr.get()); - - if (casted_component == nullptr) continue; + static_assert(is_base_of<Component, T>::value, + "get_components_by_id must recieve a derivative class of Component"); - // Add the dereferenced raw pointer to the vector<> - component_vector.push_back(*casted_component); + type_index type = typeid(T); + if (!this->components.contains(type)) return {}; + + const by_id_index<vector<unique_ptr<Component>>> & components_by_id + = this->components.at(type); + if (id >= components_by_id.size()) return {}; + + RefVector<T> out = {}; + const vector<unique_ptr<Component>> & components = components_by_id.at(id); + for (auto & component_ptr : components) { + if (component_ptr == nullptr) continue; + Component & component = *component_ptr.get(); + out.push_back(static_cast<T &>(component)); } - return component_vector; + return out; } template <typename T> @@ -147,4 +151,46 @@ RefVector<T> ComponentManager::get_components_by_type() const { return component_vector; } +template <typename T> +std::set<game_object_id_t> +ComponentManager::get_objects_by_predicate(const std::function<bool(const T &)> & pred) const { + using namespace std; + + set<game_object_id_t> objects = {}; + RefVector<T> components = this->get_components_by_type<T>(); + + for (const T & component : components) { + game_object_id_t id = dynamic_cast<const Component &>(component).game_object_id; + if (objects.contains(id)) continue; + if (!pred(component)) continue; + objects.insert(id); + } + + return objects; +} + +template <typename T> +RefVector<T> +ComponentManager::get_components_by_ids(const std::set<game_object_id_t> & ids) const { + using namespace std; + + RefVector<T> out = {}; + for (game_object_id_t id : ids) { + RefVector<T> components = get_components_by_id<T>(id); + out.insert(out.end(), components.begin(), components.end()); + } + + return out; +} + +template <typename T> +RefVector<T> ComponentManager::get_components_by_name(const std::string & name) const { + return this->get_components_by_ids<T>(this->get_objects_by_name(name)); +} + +template <typename T> +RefVector<T> ComponentManager::get_components_by_tag(const std::string & tag) const { + return this->get_components_by_ids<T>(this->get_objects_by_tag(tag)); +} + } // namespace crepe diff --git a/src/crepe/api/EventManager.cpp b/src/crepe/manager/EventManager.cpp index 20f0dd3..6aa49ee 100644 --- a/src/crepe/api/EventManager.cpp +++ b/src/crepe/manager/EventManager.cpp @@ -3,11 +3,9 @@ using namespace crepe; using namespace std; -EventManager & EventManager::get_instance() { - static EventManager instance; - return instance; +EventManager::EventManager(Mediator & mediator) : Manager(mediator) { + this->mediator.event_manager = *this; } - void EventManager::dispatch_events() { for (auto & event : this->events_queue) { this->handle_event(event.type, event.channel, *event.event.get()); diff --git a/src/crepe/api/EventManager.h b/src/crepe/manager/EventManager.h index 1a33023..639e37f 100644 --- a/src/crepe/api/EventManager.h +++ b/src/crepe/manager/EventManager.h @@ -5,8 +5,10 @@ #include <unordered_map> #include <vector> -#include "Event.h" -#include "EventHandler.h" +#include "../api/Event.h" +#include "../api/EventHandler.h" + +#include "Manager.h" namespace crepe { @@ -22,33 +24,25 @@ typedef size_t subscription_t; typedef size_t event_channel_t; /** - * \class EventManager * \brief Manages event subscriptions, triggers, and queues, enabling decoupled event handling. - * + * * The `EventManager` acts as a centralized event system. It allows for registering callbacks * for specific event types, triggering events synchronously, queueing events for later * processing, and managing subscriptions via unique identifiers. */ -class EventManager { +class EventManager : public Manager { public: static constexpr const event_channel_t CHANNEL_ALL = -1; - /** - * \brief Get the singleton instance of the EventManager. - * - * This method returns the unique instance of the EventManager, creating it if it - * doesn't already exist. Ensures only one instance is active in the program. - * - * \return Reference to the singleton instance of the EventManager. + * \param mediator A reference to a Mediator object used for transfering managers. */ - static EventManager & get_instance(); - + EventManager(Mediator & mediator); /** * \brief Subscribe to a specific event type. - * + * * Registers a callback for a given event type and optional channel. Each callback * is assigned a unique subscription ID that can be used for later unsubscription. - * + * * \tparam EventType The type of the event to subscribe to. * \param callback The callback function to be invoked when the event is triggered. * \param channel The channel number to subscribe to (default is CHANNEL_ALL, which listens to all channels). @@ -60,18 +54,18 @@ public: /** * \brief Unsubscribe a previously registered callback. - * + * * Removes a callback from the subscription list based on its unique subscription ID. - * + * * \param event_id The unique subscription ID of the callback to remove. */ void unsubscribe(subscription_t event_id); /** * \brief Trigger an event immediately. - * + * * Synchronously invokes all registered callbacks for the given event type on the specified channel. - * + * * \tparam EventType The type of the event to trigger. * \param event The event instance to pass to the callbacks. * \param channel The channel to trigger the event on (default is CHANNEL_ALL, which triggers on all channels). @@ -81,9 +75,9 @@ public: /** * \brief Queue an event for later processing. - * + * * Adds an event to the event queue to be processed during the next call to `dispatch_events`. - * + * * \tparam EventType The type of the event to queue. * \param event The event instance to queue. * \param channel The channel to associate with the event (default is CHANNEL_ALL). @@ -93,7 +87,7 @@ public: /** * \brief Process all queued events. - * + * * Iterates through the event queue and triggers callbacks for each queued event. * Events are removed from the queue once processed. */ @@ -101,20 +95,13 @@ public: /** * \brief Clear all subscriptions. - * + * * Removes all registered event handlers and clears the subscription list. */ void clear(); private: /** - * \brief Default constructor for the EventManager. - * - * Constructor is private to enforce the singleton pattern. - */ - EventManager() = default; - - /** * \struct QueueEntry * \brief Represents an entry in the event queue. */ diff --git a/src/crepe/api/EventManager.hpp b/src/crepe/manager/EventManager.hpp index a5f4556..a5f4556 100644 --- a/src/crepe/api/EventManager.hpp +++ b/src/crepe/manager/EventManager.hpp diff --git a/src/crepe/manager/LoopTimerManager.cpp b/src/crepe/manager/LoopTimerManager.cpp new file mode 100644 index 0000000..e78f92f --- /dev/null +++ b/src/crepe/manager/LoopTimerManager.cpp @@ -0,0 +1,91 @@ +#include <chrono> +#include <thread> + +#include "../util/dbg.h" + +#include "LoopTimerManager.h" + +using namespace crepe; +using namespace std::chrono; +using namespace std::chrono_literals; + +LoopTimerManager::LoopTimerManager(Mediator & mediator) : Manager(mediator) { + this->mediator.loop_timer = *this; + dbg_trace(); +} + +void LoopTimerManager::start() { + this->last_frame_time = std::chrono::steady_clock::now(); + + this->elapsed_time = elapsed_time_t{0}; + this->elapsed_fixed_time = elapsed_time_t{0}; + this->delta_time = duration_t{0}; +} + +void LoopTimerManager::update() { + time_point_t current_frame_time = std::chrono::steady_clock::now(); + // Convert to duration in seconds for delta time + this->delta_time = current_frame_time - last_frame_time; + + if (this->delta_time > this->maximum_delta_time) { + this->delta_time = this->maximum_delta_time; + } + if (this->delta_time > 0s) { + this->actual_fps = static_cast<unsigned>(1.0 / this->delta_time.count()); + } else { + this->actual_fps = 0; + } + this->elapsed_time += duration_cast<elapsed_time_t>(this->delta_time); + this->last_frame_time = current_frame_time; +} + +duration_t LoopTimerManager::get_delta_time() const { + return this->delta_time * this->time_scale; +} + +elapsed_time_t LoopTimerManager::get_elapsed_time() const { return this->elapsed_time; } + +void LoopTimerManager::advance_fixed_elapsed_time() { + this->elapsed_fixed_time + += std::chrono::duration_cast<elapsed_time_t>(this->fixed_delta_time); +} + +void LoopTimerManager::set_target_framerate(unsigned fps) { + this->target_fps = fps; + //check if fps is lower or equals 0 + if (fps <= 0) return; + // target time per frame in seconds + this->frame_target_time = duration_t(1s) / this->target_fps; +} + +unsigned LoopTimerManager::get_fps() const { return this->actual_fps; } + +void LoopTimerManager::set_time_scale(double value) { this->time_scale = value; } + +float LoopTimerManager::get_time_scale() const { return this->time_scale; } + +void LoopTimerManager::enforce_frame_rate() { + time_point_t current_frame_time = std::chrono::steady_clock::now(); + duration_t frame_duration = current_frame_time - this->last_frame_time; + // Check if frame duration is less than the target frame time + if (frame_duration < this->frame_target_time) { + duration_t delay_time = this->frame_target_time - frame_duration; + if (delay_time > 0s) { + std::this_thread::sleep_for(delay_time); + } + } +} + +duration_t LoopTimerManager::get_lag() const { + return this->elapsed_time - this->elapsed_fixed_time; +} + +duration_t LoopTimerManager::get_scaled_fixed_delta_time() const { + return this->fixed_delta_time * this->time_scale; +} + +void LoopTimerManager::set_fixed_delta_time(float seconds) { + this->fixed_delta_time = duration_t(seconds); +} + +duration_t LoopTimerManager::get_fixed_delta_time() const { return this->fixed_delta_time; } diff --git a/src/crepe/manager/LoopTimerManager.h b/src/crepe/manager/LoopTimerManager.h new file mode 100644 index 0000000..2f1e6b6 --- /dev/null +++ b/src/crepe/manager/LoopTimerManager.h @@ -0,0 +1,177 @@ +#pragma once + +#include <chrono> + +#include "Manager.h" + +namespace crepe { + +class Engine; + +typedef std::chrono::duration<float> duration_t; +typedef std::chrono::duration<unsigned long long, std::micro> elapsed_time_t; + +/** + * \brief Manages timing and frame rate for the game loop. + * + * The LoopTimerManager class is responsible for calculating and managing timing functions + * such as delta time, frames per second (FPS), fixed time steps, and time scaling. It ensures + * consistent frame updates and supports game loop operations, such as handling fixed updates + * for physics and other time-sensitive operations. + */ +class LoopTimerManager : public Manager { +public: + /** + * \param mediator A reference to a Mediator object used for transfering managers. + */ + LoopTimerManager(Mediator & mediator); + /** + * \brief Get the current delta time for the current frame. + * + * This value represents the estimated frame duration of the current frame. + * This value can be used in the frame_update to convert pixel based values to time based values. + * + * \return Delta time in seconds since the last frame. + */ + duration_t get_delta_time() const; + + /** + * \brief Get the current elapsed time (total time passed ) + * + * \note The current game time may vary from real-world elapsed time. It is the cumulative + * sum of each frame's delta time. + * + * \return Elapsed game time in seconds. + */ + elapsed_time_t get_elapsed_time() const; + + /** + * \brief Set the target frames per second (FPS). + * + * \param fps The desired frames rendered per second. + */ + void set_target_framerate(unsigned fps); + + /** + * \brief Get the current frames per second (FPS). + * + * \return Current FPS. + */ + unsigned int get_fps() const; + + /** + * \brief Get the current time scale. + * + * \return The current time scale, where (0 = pause, < 1 = slow down, 1 = normal speed, > 1 = speed up). + * up the game. + */ + float get_time_scale() const; + + /** + * \brief Set the time scale. + * + * time_scale is a value that changes the delta time that can be retrieved using get_delta_time function. + * + * \param time_scale The desired time scale (0 = pause, < 1 = slow down, 1 = normal speed, > 1 = speed up). + */ + void set_time_scale(double time_scale); + + /** + * \brief Get the fixed delta time in seconds without scaling by the time scale. + * + * This value is used in the LoopManager to determine how many times + * the fixed_update should be called within a given interval. + * + * \return The unscaled fixed delta time in seconds. + */ + duration_t get_fixed_delta_time() const; + + /** + * \brief Set the fixed_delta_time in seconds. + * + * \param seconds fixed_delta_time in seconds. + * + * The fixed_delta_time value is used to determine how many times per second the fixed_update and process_input functions are called. + * + */ + void set_fixed_delta_time(float seconds); + + /** + * \brief Retrieves the scaled fixed delta time in seconds. + * + * The scaled fixed delta time is the timing value used within the `fixed_update` function. + * It is adjusted by the time_scale to account for any changes in the simulation's + * speed. + * + * \return The fixed delta time, scaled by the current time scale, in seconds. + */ + duration_t get_scaled_fixed_delta_time() const; + +private: + //! Friend relation to use start,enforce_frame_rate,get_lag,update,advance_fixed_update. + friend class Engine; + /** + * \brief Start the loop timer. + * + * Initializes the timer to begin tracking frame times. + */ + void start(); + /** + * \brief Enforce the frame rate limit. + * + * Ensures that the game loop does not exceed the target FPS by delaying frame updates as + * necessary. + */ + void enforce_frame_rate(); + /** + * \brief Get the accumulated lag in the game loop. + * + * Lag represents the difference between the target frame time and the actual frame time, + * useful for managing fixed update intervals. + * + * \return Accumulated lag in seconds. + */ + duration_t get_lag() const; + + /** + * \brief Update the timer to the current frame. + * + * Calculates and updates the delta time for the current frame and adds it to the cumulative + * game time. + */ + void update(); + + /** + * \brief Progress the elapsed fixed time by the fixed delta time interval. + * + * This method advances the game's fixed update loop by adding the fixed_delta_time + * to elapsed_fixed_time, ensuring the fixed update catches up with the elapsed time. + */ + void advance_fixed_elapsed_time(); + +private: + //! Target frames per second. + unsigned int target_fps = 60; + //! Actual frames per second. + unsigned int actual_fps = 0; + //! Time scale for speeding up or slowing down the game (0 = pause, < 1 = slow down, 1 = normal speed, > 1 = speed up). + float time_scale = 1; + //! Maximum delta time in seconds to avoid large jumps. + duration_t maximum_delta_time{0.25}; + //! Delta time for the current frame in seconds. + duration_t delta_time{0.0}; + //! Target time per frame in seconds + duration_t frame_target_time{1.0 / target_fps}; + //! Fixed delta time for fixed updates in seconds. + duration_t fixed_delta_time{1.0 / 50.0}; + //! Total elapsed game time in microseconds. + elapsed_time_t elapsed_time{0}; + //! Total elapsed time for fixed updates in microseconds. + elapsed_time_t elapsed_fixed_time{0}; + + typedef std::chrono::steady_clock::time_point time_point_t; + //! Time of the last frame. + time_point_t last_frame_time; +}; + +} // namespace crepe diff --git a/src/crepe/manager/Manager.cpp b/src/crepe/manager/Manager.cpp new file mode 100644 index 0000000..1182785 --- /dev/null +++ b/src/crepe/manager/Manager.cpp @@ -0,0 +1,5 @@ +#include "Manager.h" + +using namespace crepe; + +Manager::Manager(Mediator & mediator) : mediator(mediator) {} diff --git a/src/crepe/manager/Manager.h b/src/crepe/manager/Manager.h new file mode 100644 index 0000000..84d80fe --- /dev/null +++ b/src/crepe/manager/Manager.h @@ -0,0 +1,24 @@ +#pragma once + +#include "Mediator.h" + +namespace crepe { + +/** + * \brief Base manager class + * + * Managers are used for various tasks that fall outside the ECS system category. All managers + * are required to register themselves to the mediator passed to the constructor, and this + * mutable reference is saved for convenience, even though not all managers use the mediator + * directly. + */ +class Manager { +public: + Manager(Mediator & mediator); + virtual ~Manager() = default; + +protected: + Mediator & mediator; +}; + +} // namespace crepe diff --git a/src/crepe/manager/Mediator.h b/src/crepe/manager/Mediator.h new file mode 100644 index 0000000..842f1de --- /dev/null +++ b/src/crepe/manager/Mediator.h @@ -0,0 +1,41 @@ +#pragma once + +#include "../util/OptionalRef.h" + +namespace crepe { + +class ComponentManager; +class SceneManager; +class EventManager; +class LoopTimerManager; +class SaveManager; +class ResourceManager; +class SDLContext; +class ReplayManager; +class SystemManager; + +/** + * Struct to pass references to classes that would otherwise need to be singletons down to + * other classes within the engine hierarchy. Made to prevent constant changes to subclasses to + * pass specific references through dependency injection. All references on this struct + * *should* be explicitly checked for availability as this struct does not guarantee anything. + * + * \note Dereferencing members of this struct should be deferred. If you are a user of this + * class, keep a reference to this mediator instead of just picking references from it when you + * receive an instance. + * + * \warning This class should never be directly accessible from the API + */ +struct Mediator { + OptionalRef<SDLContext> sdl_context; + OptionalRef<ComponentManager> component_manager; + OptionalRef<SceneManager> scene_manager; + OptionalRef<EventManager> event_manager; + OptionalRef<LoopTimerManager> loop_timer; + OptionalRef<SaveManager> save_manager; + OptionalRef<ResourceManager> resource_manager; + OptionalRef<ReplayManager> replay_manager; + OptionalRef<SystemManager> system_manager; +}; + +} // namespace crepe diff --git a/src/crepe/manager/ReplayManager.cpp b/src/crepe/manager/ReplayManager.cpp new file mode 100644 index 0000000..090a94e --- /dev/null +++ b/src/crepe/manager/ReplayManager.cpp @@ -0,0 +1,70 @@ +#include <format> + +#include "Manager.h" +#include "ReplayManager.h" + +using namespace crepe; +using namespace std; + +ReplayManager::ReplayManager(Mediator & mediator) : Manager(mediator) { + mediator.replay_manager = *this; +} + +void ReplayManager::record_start() { + if (this->state == RECORDING) this->release(this->id); + this->id++; + this->memory[this->id] = make_unique<Recording>(); + this->recording = *this->memory.at(this->id); + this->state = RECORDING; +} + +recording_t ReplayManager::record_end() { + this->state = IDLE; + return this->id; +} + +void ReplayManager::play(recording_t handle) { + if (!this->memory.contains(handle)) + throw out_of_range(format("ReplayManager: no recording for handle {}", handle)); + this->recording = *this->memory.at(handle); + this->recording->frame = 0; + this->state = PLAYING; +} + +void ReplayManager::release(recording_t handle) { + if (!this->memory.contains(handle)) return; + this->memory.erase(handle); +} + +void ReplayManager::frame_record() { + if (this->state != RECORDING) + throw runtime_error("ReplayManager: frame_step called while not playing"); + + ComponentManager & components = this->mediator.component_manager; + Recording & recording = this->recording; + + recording.frames.push_back(components.save()); + recording.frame++; +} + +bool ReplayManager::frame_step() { + if (this->state != PLAYING) + throw runtime_error("ReplayManager: frame_step called while not playing"); + + ComponentManager & components = this->mediator.component_manager; + Recording & recording = this->recording; + + ComponentManager::Snapshot & frame = recording.frames.at(recording.frame); + + components.restore(frame); + recording.frame++; + + if (recording.frame < recording.frames.size()) return false; + // end of recording + recording.frame = 0; + this->state = IDLE; + this->recording.clear(); + return true; +} + +ReplayManager::State ReplayManager::get_state() const { return this->state; } diff --git a/src/crepe/manager/ReplayManager.h b/src/crepe/manager/ReplayManager.h new file mode 100644 index 0000000..f06a58b --- /dev/null +++ b/src/crepe/manager/ReplayManager.h @@ -0,0 +1,96 @@ +#pragma once + +#include <unordered_map> + +#include "../util/OptionalRef.h" + +#include "ComponentManager.h" +#include "Manager.h" + +namespace crepe { + +//! Handle to recording held by ReplayManager +typedef size_t recording_t; + +/** + * \brief Replay manager + * + * The replay manager is responsible for creating, storing and restoring ComponentManager + * snapshots. Sequential snapshots can be recorded and replayed in combination with + * ReplaySystem. + */ +class ReplayManager : public Manager { + // TODO: Delete recordings at end of scene + +public: + ReplayManager(Mediator & mediator); + +public: + //! Start a new recording + void record_start(); + /** + * \brief End the latest recording started by \c record_start() + * \returns Handle to recording + */ + recording_t record_end(); + /** + * \brief Play a recording + * \param handle Handle to recording (as returned by \c record_end()) + */ + void play(recording_t handle); + /** + * \brief Delete a recording from memory + * \param handle Handle to recording (as returned by \c record_end()) + */ + void release(recording_t handle); + +public: + //! Internal state + enum State { + IDLE, //!< Not doing anything + RECORDING, //!< Currently recording + PLAYING, //!< Currently playing back a recording + }; + //! Get current internal state + State get_state() const; + +public: + /** + * \brief Record a single frame to the current recording + * + * This function is called by ReplaySystem after the game programmer has called \c + * record_start() + */ + void frame_record(); + /** + * \brief Play the next frame of the current recording + * + * \returns `true` if the recording is finished playing + * \returns `false` if there are more frames + * + * This function also automatically resets the internal state from PLAYING to IDLE at the end + * of a recording. + */ + bool frame_step(); + +private: + /** + * \brief Recording data + */ + struct Recording { + //! Current frame being shown + size_t frame = 0; + //! All frames in recording + std::vector<ComponentManager::Snapshot> frames; + }; + //! Internal state + State state = IDLE; + //! Current recording handle + recording_t id = -1; + //! Current recording data + OptionalRef<Recording> recording; + //! Recording storage + std::unordered_map<recording_t, std::unique_ptr<Recording>> memory; +}; + +} // namespace crepe diff --git a/src/crepe/manager/ResourceManager.cpp b/src/crepe/manager/ResourceManager.cpp new file mode 100644 index 0000000..5713183 --- /dev/null +++ b/src/crepe/manager/ResourceManager.cpp @@ -0,0 +1,30 @@ +#include "util/dbg.h" + +#include "ResourceManager.h" + +using namespace crepe; +using namespace std; + +ResourceManager::ResourceManager(Mediator & mediator) : Manager(mediator) { + dbg_trace(); + mediator.resource_manager = *this; +} +ResourceManager::~ResourceManager() { dbg_trace(); } + +void ResourceManager::clear() { + std::erase_if(this->resources, [](const pair<const Asset, CacheEntry> & pair) { + const CacheEntry & entry = pair.second; + return entry.persistent == false; + }); +} + +void ResourceManager::clear_all() { this->resources.clear(); } + +void ResourceManager::set_persistent(const Asset & asset, bool persistent) { + this->get_entry(asset).persistent = persistent; +} + +ResourceManager::CacheEntry & ResourceManager::get_entry(const Asset & asset) { + if (!this->resources.contains(asset)) this->resources[asset] = {}; + return this->resources.at(asset); +} diff --git a/src/crepe/manager/ResourceManager.h b/src/crepe/manager/ResourceManager.h new file mode 100644 index 0000000..84b275d --- /dev/null +++ b/src/crepe/manager/ResourceManager.h @@ -0,0 +1,78 @@ +#pragma once + +#include <memory> +#include <unordered_map> + +#include "../Resource.h" +#include "../api/Asset.h" + +#include "Manager.h" + +namespace crepe { + +/** + * \brief Owner of concrete Resource instances + * + * ResourceManager caches concrete Resource instances per Asset. Concrete resources are + * destroyed at the end of scenes by default, unless the game programmer marks them as + * persistent. + */ +class ResourceManager : public Manager { +public: + ResourceManager(Mediator & mediator); + virtual ~ResourceManager(); // dbg_trace + +private: + //! Cache entry + struct CacheEntry { + //! Concrete resource instance + std::unique_ptr<Resource> resource = nullptr; + //! Prevent ResourceManager::clear from removing this entry + bool persistent = false; + }; + //! Internal cache + std::unordered_map<const Asset, CacheEntry> resources; + /** + * \brief Ensure a cache entry exists for this asset and return a mutable reference to it + * + * \param asset Asset the concrete resource is instantiated from + * + * \returns Mutable reference to cache entry + */ + CacheEntry & get_entry(const Asset & asset); + +public: + /** + * \brief Mark a resource as persistent (i.e. used across multiple scenes) + * + * \param asset Asset the concrete resource is instantiated from + * \param persistent Whether this resource is persistent (true=keep, false=destroy) + */ + void set_persistent(const Asset & asset, bool persistent); + + /** + * \brief Retrieve reference to concrete Resource by Asset + * + * \param asset Asset the concrete resource is instantiated from + * \tparam Resource Concrete derivative of Resource + * + * This class instantiates the concrete resource if it is not yet stored in the internal + * cache, or returns a reference to the cached resource if it already exists. + * + * \returns Reference to concrete resource + * + * \throws std::runtime_error if the \c Resource parameter does not match with the actual + * type of the resource stored in the cache for this Asset + */ + template <typename Resource> + Resource & get(const Asset & asset); + + //! Clear non-persistent resources from cache + void clear(); + //! Clear all resources from cache regardless of persistence + void clear_all(); +}; + +} // namespace crepe + +#include "ResourceManager.hpp" diff --git a/src/crepe/manager/ResourceManager.hpp b/src/crepe/manager/ResourceManager.hpp new file mode 100644 index 0000000..cf5c949 --- /dev/null +++ b/src/crepe/manager/ResourceManager.hpp @@ -0,0 +1,27 @@ +#pragma once + +#include <format> + +#include "ResourceManager.h" + +namespace crepe { + +template <typename T> +T & ResourceManager::get(const Asset & asset) { + using namespace std; + static_assert(is_base_of<Resource, T>::value, + "cache must recieve a derivative class of Resource"); + + CacheEntry & entry = this->get_entry(asset); + if (entry.resource == nullptr) entry.resource = make_unique<T>(asset, this->mediator); + + T * concrete_resource = dynamic_cast<T *>(entry.resource.get()); + if (concrete_resource == nullptr) + throw runtime_error(format("ResourceManager: mismatch between requested type and " + "actual type of resource ({})", + asset.get_path())); + + return *concrete_resource; +} + +} // namespace crepe diff --git a/src/crepe/api/SaveManager.cpp b/src/crepe/manager/SaveManager.cpp index c5f43ea..f313ed2 100644 --- a/src/crepe/api/SaveManager.cpp +++ b/src/crepe/manager/SaveManager.cpp @@ -1,13 +1,25 @@ +#include "../ValueBroker.h" +#include "../api/Config.h" #include "../facade/DB.h" -#include "../util/Log.h" -#include "Config.h" #include "SaveManager.h" -#include "ValueBroker.h" using namespace std; using namespace crepe; +SaveManager::SaveManager(Mediator & mediator) : Manager(mediator) { + mediator.save_manager = *this; +} + +DB & SaveManager::get_db() { + if (this->db == nullptr) { + Config & cfg = Config::get_instance(); + this->db + = {new DB(cfg.savemgr.location), [](void * db) { delete static_cast<DB *>(db); }}; + } + return *static_cast<DB *>(this->db.get()); +} + template <> string SaveManager::serialize(const string & value) const noexcept { return value; @@ -90,22 +102,6 @@ int32_t SaveManager::deserialize(const string & value) const noexcept { return deserialize<int64_t>(value); } -SaveManager::SaveManager() { dbg_trace(); } - -SaveManager & SaveManager::get_instance() { - dbg_trace(); - static SaveManager instance; - return instance; -} - -DB & SaveManager::get_db() { - Config & cfg = Config::get_instance(); - // TODO: make this path relative to XDG_DATA_HOME on Linux and whatever the - // default equivalent is on Windows using some third party library - static DB db(cfg.savemgr.location); - return db; -} - bool SaveManager::has(const string & key) { DB & db = this->get_db(); return db.has(key); @@ -133,9 +129,32 @@ template void SaveManager::set(const string &, const float &); template void SaveManager::set(const string &, const double &); template <typename T> +T SaveManager::get(const string & key) { + return this->deserialize<T>(this->get_db().get(key)); +} +template uint8_t SaveManager::get(const string &); +template int8_t SaveManager::get(const string &); +template uint16_t SaveManager::get(const string &); +template int16_t SaveManager::get(const string &); +template uint32_t SaveManager::get(const string &); +template int32_t SaveManager::get(const string &); +template uint64_t SaveManager::get(const string &); +template int64_t SaveManager::get(const string &); +template float SaveManager::get(const string &); +template double SaveManager::get(const string &); +template string SaveManager::get(const string &); + +template <typename T> ValueBroker<T> SaveManager::get(const string & key, const T & default_value) { if (!this->has(key)) this->set<T>(key, default_value); - return this->get<T>(key); + T value; + return { + [this, key](const T & target) { this->set<T>(key, target); }, + [this, key, value]() mutable -> const T & { + value = this->get<T>(key); + return value; + }, + }; } template ValueBroker<uint8_t> SaveManager::get(const string &, const uint8_t &); template ValueBroker<int8_t> SaveManager::get(const string &, const int8_t &); @@ -148,26 +167,3 @@ template ValueBroker<int64_t> SaveManager::get(const string &, const int64_t &); template ValueBroker<float> SaveManager::get(const string &, const float &); template ValueBroker<double> SaveManager::get(const string &, const double &); template ValueBroker<string> SaveManager::get(const string &, const string &); - -template <typename T> -ValueBroker<T> SaveManager::get(const string & key) { - T value; - return { - [this, key](const T & target) { this->set<T>(key, target); }, - [this, key, value]() mutable -> const T & { - value = this->deserialize<T>(this->get_db().get(key)); - return value; - }, - }; -} -template ValueBroker<uint8_t> SaveManager::get(const string &); -template ValueBroker<int8_t> SaveManager::get(const string &); -template ValueBroker<uint16_t> SaveManager::get(const string &); -template ValueBroker<int16_t> SaveManager::get(const string &); -template ValueBroker<uint32_t> SaveManager::get(const string &); -template ValueBroker<int32_t> SaveManager::get(const string &); -template ValueBroker<uint64_t> SaveManager::get(const string &); -template ValueBroker<int64_t> SaveManager::get(const string &); -template ValueBroker<float> SaveManager::get(const string &); -template ValueBroker<double> SaveManager::get(const string &); -template ValueBroker<string> SaveManager::get(const string &); diff --git a/src/crepe/api/SaveManager.h b/src/crepe/manager/SaveManager.h index 3d8c852..1e34bc0 100644 --- a/src/crepe/api/SaveManager.h +++ b/src/crepe/manager/SaveManager.h @@ -1,9 +1,12 @@ #pragma once +#include <functional> #include <memory> #include "../ValueBroker.h" +#include "Manager.h" + namespace crepe { class DB; @@ -18,7 +21,7 @@ class DB; * * The underlying database is a key-value store. */ -class SaveManager { +class SaveManager : public Manager { public: /** * \brief Get a read/write reference to a value and initialize it if it does not yet exist @@ -33,17 +36,17 @@ public: ValueBroker<T> get(const std::string & key, const T & default_value); /** - * \brief Get a read/write reference to a value + * \brief Get a value directly * * \param key The value key * - * \return Read/write reference to the value + * \return The value * * \note Attempting to read this value before it is initialized (i.e. set) will result in an * exception */ template <typename T> - ValueBroker<T> get(const std::string & key); + T get(const std::string & key); /** * \brief Set a value directly @@ -63,8 +66,8 @@ public: */ bool has(const std::string & key); -private: - SaveManager(); +public: + SaveManager(Mediator & mediator); virtual ~SaveManager() = default; private: @@ -89,26 +92,13 @@ private: template <typename T> T deserialize(const std::string & value) const noexcept; -public: - // singleton - static SaveManager & get_instance(); - SaveManager(const SaveManager &) = delete; - SaveManager(SaveManager &&) = delete; - SaveManager & operator=(const SaveManager &) = delete; - SaveManager & operator=(SaveManager &&) = delete; +protected: + //! Create or return DB + virtual DB & get_db(); private: - /** - * \brief Create an instance of DB and return its reference - * - * \returns DB instance - * - * This function exists because DB is a facade class, which can't directly be used in the API - * without workarounds - * - * TODO: better solution - */ - static DB & get_db(); + //! Database + std::unique_ptr<void, std::function<void(void *)>> db = nullptr; }; } // namespace crepe diff --git a/src/crepe/api/SceneManager.cpp b/src/crepe/manager/SceneManager.cpp index 1f783ad..d4ca90b 100644 --- a/src/crepe/api/SceneManager.cpp +++ b/src/crepe/manager/SceneManager.cpp @@ -1,14 +1,15 @@ #include <algorithm> #include <memory> -#include "../ComponentManager.h" - +#include "ComponentManager.h" #include "SceneManager.h" using namespace crepe; using namespace std; -SceneManager::SceneManager(ComponentManager & mgr) : component_manager(mgr) {} +SceneManager::SceneManager(Mediator & mediator) : Manager(mediator) { + mediator.scene_manager = *this; +} void SceneManager::set_next_scene(const string & name) { next_scene = name; } @@ -26,9 +27,12 @@ void SceneManager::load_next_scene() { unique_ptr<Scene> & scene = *it; // Delete all components of the current scene - ComponentManager & mgr = this->component_manager; + ComponentManager & mgr = this->mediator.component_manager; mgr.delete_all_components(); // Load the new scene scene->load_scene(); + + //clear the next scene + next_scene.clear(); } diff --git a/src/crepe/api/SceneManager.h b/src/crepe/manager/SceneManager.h index 45ba668..e0955c2 100644 --- a/src/crepe/api/SceneManager.h +++ b/src/crepe/manager/SceneManager.h @@ -3,7 +3,9 @@ #include <memory> #include <vector> -#include "Scene.h" +#include "../api/Scene.h" + +#include "Manager.h" namespace crepe { @@ -15,10 +17,9 @@ class ComponentManager; * This class manages scenes. It can add new scenes and load them. It also manages the current scene * and the next scene. */ -class SceneManager { +class SceneManager : public Manager { public: - //! \param mgr Reference to the ComponentManager - SceneManager(ComponentManager & mgr); + SceneManager(Mediator & mediator); public: /** @@ -26,8 +27,8 @@ public: * * \tparam T Type of concrete scene */ - template <typename T> - void add_scene(); + template <typename T, typename... Args> + void add_scene(Args &&... args); /** * \brief Set the next scene * @@ -44,8 +45,6 @@ private: std::vector<std::unique_ptr<Scene>> scenes; //! Next scene to load std::string next_scene; - //! Reference to the ComponentManager - ComponentManager & component_manager; }; } // namespace crepe diff --git a/src/crepe/api/SceneManager.hpp b/src/crepe/manager/SceneManager.hpp index 94e5946..dff4e51 100644 --- a/src/crepe/api/SceneManager.hpp +++ b/src/crepe/manager/SceneManager.hpp @@ -4,13 +4,17 @@ namespace crepe { -template <typename T> -void SceneManager::add_scene() { +template <typename T, typename... Args> +void SceneManager::add_scene(Args &&... args) { using namespace std; static_assert(is_base_of<Scene, T>::value, "T must be derived from Scene"); - Scene * scene = new T(this->component_manager); - this->scenes.emplace_back(unique_ptr<Scene>(scene)); + Scene * scene = new T(std::forward<Args>(args)...); + unique_ptr<Scene> unique_scene(scene); + + unique_scene->mediator = this->mediator; + + this->scenes.emplace_back(std::move(unique_scene)); // The first scene added, is the one that will be loaded at the beginning if (next_scene.empty()) { diff --git a/src/crepe/manager/SystemManager.cpp b/src/crepe/manager/SystemManager.cpp new file mode 100644 index 0000000..5ada30f --- /dev/null +++ b/src/crepe/manager/SystemManager.cpp @@ -0,0 +1,66 @@ +#include "../system/AISystem.h" +#include "../system/AnimatorSystem.h" +#include "../system/AudioSystem.h" +#include "../system/CollisionSystem.h" +#include "../system/EventSystem.h" +#include "../system/InputSystem.h" +#include "../system/ParticleSystem.h" +#include "../system/PhysicsSystem.h" +#include "../system/RenderSystem.h" +#include "../system/ReplaySystem.h" +#include "../system/ScriptSystem.h" + +#include "SystemManager.h" + +using namespace crepe; +using namespace std; + +SystemManager::SystemManager(Mediator & mediator) : Manager(mediator) { + this->load_system<InputSystem>(); + this->load_system<EventSystem>(); + this->load_system<ScriptSystem>(); + this->load_system<AISystem>(); + this->load_system<PhysicsSystem>(); + this->load_system<CollisionSystem>(); + this->load_system<AudioSystem>(); + this->load_system<AnimatorSystem>(); + this->load_system<ParticleSystem>(); + this->load_system<RenderSystem>(); + this->load_system<ReplaySystem>(); + + this->mediator.system_manager = *this; +} + +void SystemManager::fixed_update() { + for (auto & [type, system] : this->systems) { + if (!system->active) continue; + system->fixed_update(); + } +} + +void SystemManager::frame_update() { + for (auto & [type, system] : this->systems) { + if (!system->active) continue; + system->frame_update(); + } +} + +SystemManager::Snapshot SystemManager::save() { + Snapshot snapshot; + for (auto & [type, system] : this->systems) { + snapshot[type] = system->active; + } + return snapshot; +} + +void SystemManager::restore(const Snapshot & snapshot) { + for (auto & [type, active] : snapshot) { + this->systems[type]->active = active; + } +} + +void SystemManager::disable_all() { + for (auto & [type, system] : this->systems) { + system->active = false; + } +} diff --git a/src/crepe/manager/SystemManager.h b/src/crepe/manager/SystemManager.h new file mode 100644 index 0000000..50acf77 --- /dev/null +++ b/src/crepe/manager/SystemManager.h @@ -0,0 +1,85 @@ +#pragma once + +#include <memory> +#include <typeindex> +#include <unordered_map> + +#include "../system/System.h" + +#include "Manager.h" + +namespace crepe { + +/** + * \brief Collection of all systems + * + * This manager aggregates all systems and provides utility functions to retrieve references to + * and update systems. + */ +class SystemManager : public Manager { +public: + SystemManager(Mediator &); + + /** + * \brief Per-frame update. + * + * Updates the game state based on the elapsed time since the last frame. + */ + void frame_update(); + + /** + * \brief Fixed update executed at a fixed rate. + * + * This function updates physics and game logic based on LoopTimer's fixed_delta_time. + */ + void fixed_update(); + +private: + /** + * \brief Collection of System instances + * + * This map holds System instances indexed by the system's class typeid. It is filled in the + * constructor of \c SystemManager using SystemManager::load_system. + */ + std::unordered_map<std::type_index, std::unique_ptr<System>> systems; + /** + * \brief Initialize a system + * \tparam T System type (must be derivative of \c System) + */ + template <class T> + void load_system(); + +public: + /** + * \brief Retrieve a reference to ECS system + * \tparam T System type + * \returns Reference to system instance + * \throws std::runtime_error if the System is not initialized + */ + template <class T> + T & get_system(); + +public: + /** + * \brief SystemManager snapshot + * + * The SystemManager snapshot only stores which systems are active + */ + typedef std::unordered_map<std::type_index, bool> Snapshot; + /** + * \brief Save a snapshot of the systems' state + * \returns Copy of each system's active property + */ + Snapshot save(); + /** + * \brief Restore system active state from a snapshot + * \param snapshot Snapshot to restore from (as returned by \c save()) + */ + void restore(const Snapshot & snapshot); + //! Disable all systems + void disable_all(); +}; + +} // namespace crepe + +#include "SystemManager.hpp" diff --git a/src/crepe/api/LoopManager.hpp b/src/crepe/manager/SystemManager.hpp index 9cf470b..3d26e4c 100644 --- a/src/crepe/api/LoopManager.hpp +++ b/src/crepe/manager/SystemManager.hpp @@ -4,26 +4,19 @@ #include <format> #include <memory> -#include "../system/System.h" - -#include "LoopManager.h" +#include "SystemManager.h" namespace crepe { template <class T> -void LoopManager::add_scene() { - this->scene_manager.add_scene<T>(); -} - -template <class T> -T & LoopManager::get_system() { +T & SystemManager::get_system() { using namespace std; static_assert(is_base_of<System, T>::value, "get_system must recieve a derivative class of System"); const type_info & type = typeid(T); if (!this->systems.contains(type)) - throw runtime_error(format("LoopManager: {} is not initialized", type.name())); + throw runtime_error(format("SystemManager: {} is not initialized", type.name())); System * system = this->systems.at(type).get(); T * concrete_system = dynamic_cast<T *>(system); @@ -33,13 +26,16 @@ T & LoopManager::get_system() { } template <class T> -void LoopManager::load_system() { +void SystemManager::load_system() { using namespace std; static_assert(is_base_of<System, T>::value, "load_system must recieve a derivative class of System"); - System * system = new T(this->component_manager); - this->systems[typeid(T)] = unique_ptr<System>(system); + const type_info & type = typeid(T); + if (this->systems.contains(type)) + throw runtime_error(format("SystemManager: {} is already initialized", type.name())); + System * system = new T(this->mediator); + this->systems[type] = unique_ptr<System>(system); } } // namespace crepe diff --git a/src/crepe/system/AISystem.cpp b/src/crepe/system/AISystem.cpp new file mode 100644 index 0000000..0f35010 --- /dev/null +++ b/src/crepe/system/AISystem.cpp @@ -0,0 +1,186 @@ +#include <algorithm> +#include <cmath> + +#include "manager/ComponentManager.h" +#include "manager/LoopTimerManager.h" +#include "manager/Mediator.h" + +#include "AISystem.h" + +using namespace crepe; +using namespace std::chrono; + +void AISystem::fixed_update() { + const Mediator & mediator = this->mediator; + ComponentManager & mgr = mediator.component_manager; + LoopTimerManager & loop_timer = mediator.loop_timer; + RefVector<AI> ai_components = mgr.get_components_by_type<AI>(); + + float dt = loop_timer.get_scaled_fixed_delta_time().count(); + + // Loop through all AI components + for (AI & ai : ai_components) { + if (!ai.active) { + continue; + } + + RefVector<Rigidbody> rigidbodies + = mgr.get_components_by_id<Rigidbody>(ai.game_object_id); + if (rigidbodies.empty()) { + throw std::runtime_error( + "AI component must be attached to a GameObject with a Rigidbody component"); + } + Rigidbody & rigidbody = rigidbodies.front().get(); + if (!rigidbody.active) { + continue; + } + if (rigidbody.data.mass <= 0) { + throw std::runtime_error("Mass must be greater than 0"); + } + + // Calculate the force to apply to the entity + vec2 force = this->calculate(ai, rigidbody); + // Calculate the acceleration (using the above calculated force) + vec2 acceleration = force / rigidbody.data.mass; + // Finally, update Rigidbody's velocity + rigidbody.data.linear_velocity += acceleration * dt; + } +} + +vec2 AISystem::calculate(AI & ai, const Rigidbody & rigidbody) { + const Mediator & mediator = this->mediator; + ComponentManager & mgr = mediator.component_manager; + RefVector<Transform> transforms = mgr.get_components_by_id<Transform>(ai.game_object_id); + Transform & transform = transforms.front().get(); + + vec2 force; + + // Run all the behaviors that are on, and stop if the force gets too high + if (ai.on(AI::BehaviorTypeMask::FLEE)) { + vec2 force_to_add = this->flee(ai, rigidbody, transform); + + if (!this->accumulate_force(ai, force, force_to_add)) { + return force; + } + } + if (ai.on(AI::BehaviorTypeMask::ARRIVE)) { + vec2 force_to_add = this->arrive(ai, rigidbody, transform); + + if (!this->accumulate_force(ai, force, force_to_add)) { + return force; + } + } + if (ai.on(AI::BehaviorTypeMask::SEEK)) { + vec2 force_to_add = this->seek(ai, rigidbody, transform); + + if (!this->accumulate_force(ai, force, force_to_add)) { + return force; + } + } + if (ai.on(AI::BehaviorTypeMask::PATH_FOLLOW)) { + vec2 force_to_add = this->path_follow(ai, rigidbody, transform); + + if (!this->accumulate_force(ai, force, force_to_add)) { + return force; + } + } + + return force; +} + +bool AISystem::accumulate_force(const AI & ai, vec2 & running_total, vec2 & force_to_add) { + float magnitude = running_total.length(); + float magnitude_remaining = ai.max_force - magnitude; + + if (magnitude_remaining <= 0.0f) { + // If the force is already at/above the max force, return false + return false; + } + + float magnitude_to_add = force_to_add.length(); + if (magnitude_to_add < magnitude_remaining) { + // If the force to add is less than the remaining force, add it + running_total += force_to_add; + } else { + // If the force to add is greater than the remaining force, add a fraction of it + force_to_add.normalize(); + running_total += force_to_add * magnitude_remaining; + } + + return true; +} + +vec2 AISystem::seek(const AI & ai, const Rigidbody & rigidbody, + const Transform & transform) const { + // Calculate the desired velocity + vec2 desired_velocity = ai.seek_target - transform.position; + desired_velocity.normalize(); + desired_velocity *= rigidbody.data.max_linear_velocity; + + return desired_velocity - rigidbody.data.linear_velocity; +} + +vec2 AISystem::flee(const AI & ai, const Rigidbody & rigidbody, + const Transform & transform) const { + // Calculate the desired velocity if the entity is within the panic distance + vec2 desired_velocity = transform.position - ai.flee_target; + if (desired_velocity.length_squared() > ai.square_flee_panic_distance) { + return vec2{0, 0}; + } + desired_velocity.normalize(); + desired_velocity *= rigidbody.data.max_linear_velocity; + + return desired_velocity - rigidbody.data.linear_velocity; +} + +vec2 AISystem::arrive(const AI & ai, const Rigidbody & rigidbody, + const Transform & transform) const { + // Calculate the desired velocity (taking into account the deceleration rate) + vec2 to_target = ai.arrive_target - transform.position; + float distance = to_target.length(); + if (distance > 0.0f) { + if (ai.arrive_deceleration <= 0.0f) { + throw std::runtime_error("Deceleration rate must be greater than 0"); + } + + float speed = distance / ai.arrive_deceleration; + speed = std::min(speed, rigidbody.data.max_linear_velocity); + vec2 desired_velocity = to_target * (speed / distance); + + return desired_velocity - rigidbody.data.linear_velocity; + } + + return vec2{0, 0}; +} + +vec2 AISystem::path_follow(AI & ai, const Rigidbody & rigidbody, const Transform & transform) { + if (ai.path.empty()) { + return vec2{0, 0}; + } + + // Get the target node + vec2 target = ai.path.at(ai.path_index); + // Calculate the force to apply to the entity + vec2 to_target = target - transform.position; + if (to_target.length_squared() > ai.path_node_distance * ai.path_node_distance) { + // If the entity is not close enough to the target node, seek it + ai.seek_target = target; + ai.arrive_target = target; + } else { + // If the entity is close enough to the target node, move to the next node + ai.path_index++; + if (ai.path_index >= ai.path.size()) { + if (ai.path_loop) { + // If the path is looping, reset the path index + ai.path_index = 0; + } else { + // If the path is not looping, arrive at the last node + ai.path_index = ai.path.size() - 1; + return this->arrive(ai, rigidbody, transform); + } + } + } + + // Seek the target node + return this->seek(ai, rigidbody, transform); +} diff --git a/src/crepe/system/AISystem.h b/src/crepe/system/AISystem.h new file mode 100644 index 0000000..04807cf --- /dev/null +++ b/src/crepe/system/AISystem.h @@ -0,0 +1,81 @@ +#pragma once + +#include "api/AI.h" +#include "api/Rigidbody.h" + +#include "System.h" +#include "api/Transform.h" +#include "types.h" + +namespace crepe { + +/** + * \brief The AISystem is used to control the movement of entities using AI. + * + * The AISystem is used to control the movement of entities using AI. The AISystem can be used to + * implement different behaviors such as seeking, fleeing, arriving, and path following. + */ +class AISystem : public System { +public: + using System::System; + + //! Update the AI system + void fixed_update() override; + +private: + /** + * \brief Calculate the total force to apply to the entity + * + * \param ai The AI component + * \param rigidbody The Rigidbody component + */ + vec2 calculate(AI & ai, const Rigidbody & rigidbody); + /** + * \brief Accumulate the force to apply to the entity + * + * \param ai The AI component + * \param running_total The running total of the force + * \param force_to_add The force to add + * \return true if the force was added, false otherwise + */ + bool accumulate_force(const AI & ai, vec2 & running_total, vec2 & force_to_add); + + /** + * \brief Calculate the seek force + * + * \param ai The AI component + * \param rigidbody The Rigidbody component + * \param transform The Transform component + * \return The seek force + */ + vec2 seek(const AI & ai, const Rigidbody & rigidbody, const Transform & transform) const; + /** + * \brief Calculate the flee force + * + * \param ai The AI component + * \param rigidbody The Rigidbody component + * \param transform The Transform component + * \return The flee force + */ + vec2 flee(const AI & ai, const Rigidbody & rigidbody, const Transform & transform) const; + /** + * \brief Calculate the arrive force + * + * \param ai The AI component + * \param rigidbody The Rigidbody component + * \param transform The Transform component + * \return The arrive force + */ + vec2 arrive(const AI & ai, const Rigidbody & rigidbody, const Transform & transform) const; + /** + * \brief Calculate the path follow force + * + * \param ai The AI component + * \param rigidbody The Rigidbody component + * \param transform The Transform component + * \return The path follow force + */ + vec2 path_follow(AI & ai, const Rigidbody & rigidbody, const Transform & transform); +}; + +} // namespace crepe diff --git a/src/crepe/system/AnimatorSystem.cpp b/src/crepe/system/AnimatorSystem.cpp index 676e485..e5ab2fa 100644 --- a/src/crepe/system/AnimatorSystem.cpp +++ b/src/crepe/system/AnimatorSystem.cpp @@ -1,24 +1,40 @@ -#include <cstdint> - -#include "api/Animator.h" -#include "facade/SDLContext.h" +#include "../api/Animator.h" +#include "../manager/ComponentManager.h" +#include "../manager/LoopTimerManager.h" +#include <chrono> #include "AnimatorSystem.h" -#include "ComponentManager.h" using namespace crepe; +using namespace std::chrono; -void AnimatorSystem::update() { - ComponentManager & mgr = this->component_manager; - +void AnimatorSystem::frame_update() { + ComponentManager & mgr = this->mediator.component_manager; + LoopTimerManager & timer = this->mediator.loop_timer; RefVector<Animator> animations = mgr.get_components_by_type<Animator>(); - uint64_t tick = SDLContext::get_instance().get_ticks(); + float elapsed_time = duration_cast<duration<float>>(timer.get_elapsed_time()).count(); + for (Animator & a : animations) { - if (a.active) { - a.curr_row = (tick / 100) % a.row; - a.animator_rect.x = (a.curr_row * a.animator_rect.w) + a.curr_col; - a.spritesheet.sprite_rect = a.animator_rect; + if (!a.active) continue; + if (a.data.fps == 0) continue; + + Animator::Data & ctx = a.data; + float frame_duration = 1.0f / ctx.fps; + + int last_frame = ctx.row; + + int cycle_end = (ctx.cycle_end == -1) ? a.grid_size.x : ctx.cycle_end; + int total_frames = cycle_end - ctx.cycle_start; + + int curr_frame = static_cast<int>(elapsed_time / frame_duration) % total_frames; + + ctx.row = ctx.cycle_start + curr_frame; + a.spritesheet.mask.x = ctx.row * a.spritesheet.mask.w; + a.spritesheet.mask.y = (ctx.col * a.spritesheet.mask.h); + + if (!ctx.looping && curr_frame == ctx.cycle_start && last_frame == total_frames - 1) { + a.active = false; } } } diff --git a/src/crepe/system/AnimatorSystem.h b/src/crepe/system/AnimatorSystem.h index 56cc7b3..092e131 100644 --- a/src/crepe/system/AnimatorSystem.h +++ b/src/crepe/system/AnimatorSystem.h @@ -2,9 +2,6 @@ #include "System.h" -//TODO: -// control if flip works with animation system - namespace crepe { /** @@ -21,12 +18,11 @@ public: /** * \brief Updates the Animator components. * - * This method is called periodically (likely every frame) to update the state of all + * This method is called to update the state of all * Animator components, moving the animations forward and managing their behavior (e.g., * looping). */ - void update() override; - // FIXME: never say "likely" in the documentation lmao + void frame_update() override; }; } // namespace crepe diff --git a/src/crepe/system/AudioSystem.cpp b/src/crepe/system/AudioSystem.cpp new file mode 100644 index 0000000..d4e8b9f --- /dev/null +++ b/src/crepe/system/AudioSystem.cpp @@ -0,0 +1,62 @@ +#include "AudioSystem.h" + +#include "../manager/ComponentManager.h" +#include "../manager/ResourceManager.h" +#include "../types.h" + +using namespace crepe; +using namespace std; + +void AudioSystem::fixed_update() { + ComponentManager & component_manager = this->mediator.component_manager; + ResourceManager & resource_manager = this->mediator.resource_manager; + RefVector<AudioSource> components + = component_manager.get_components_by_type<AudioSource>(); + + for (AudioSource & component : components) { + Sound & resource = resource_manager.get<Sound>(component.source); + + this->diff_update(component, resource); + + this->update_last(component); + } +} + +void AudioSystem::diff_update(AudioSource & component, Sound & resource) { + SoundContext & context = this->get_context(); + + if (component.active != component.last_active) { + if (!component.active) { + context.stop(component.voice); + return; + } + if (component.play_on_awake) component.oneshot_play = true; + } + if (!component.active) return; + + if (component.oneshot_play) { + component.voice = context.play(resource); + component.oneshot_play = false; + } + if (component.oneshot_stop) { + context.stop(component.voice); + component.oneshot_stop = false; + } + if (component.volume != component.last_volume) { + context.set_volume(component.voice, component.volume); + } + if (component.loop != component.last_loop) { + context.set_loop(component.voice, component.loop); + } +} + +void AudioSystem::update_last(AudioSource & component) { + component.last_active = component.active; + component.last_loop = component.loop; + component.last_volume = component.volume; +} + +SoundContext & AudioSystem::get_context() { + if (this->context == nullptr) this->context = make_unique<SoundContext>(); + return *this->context.get(); +} diff --git a/src/crepe/system/AudioSystem.h b/src/crepe/system/AudioSystem.h new file mode 100644 index 0000000..56fc98c --- /dev/null +++ b/src/crepe/system/AudioSystem.h @@ -0,0 +1,51 @@ +#pragma once + +#include "../api/AudioSource.h" +#include "../facade/Sound.h" +#include "../facade/SoundContext.h" + +#include "System.h" + +namespace crepe { + +class AudioSystem : public System { +public: + using System::System; + void fixed_update() override; + +private: + /** + * \brief Update `last_*` members of \c component + * + * Copies all component properties stored for comparison between AudioSystem::update() calls + * + * \param component AudioSource component to update + */ + void update_last(AudioSource & component); + + /** + * \brief Compare update component + * + * Compares properties of \c component and \c data, and calls SoundContext functions where + * applicable. + * + * \param component AudioSource component to update + * \param resource Sound instance for AudioSource's Asset + */ + void diff_update(AudioSource & component, Sound & resource); + +protected: + /** + * \brief Get SoundContext + * + * SoundContext is retrieved through this function instead of being a direct member of + * AudioSystem to aid with testability. + */ + virtual SoundContext & get_context(); + +private: + //! SoundContext + std::unique_ptr<SoundContext> context = nullptr; +}; + +} // namespace crepe diff --git a/src/crepe/system/CMakeLists.txt b/src/crepe/system/CMakeLists.txt index d658b25..52369d0 100644 --- a/src/crepe/system/CMakeLists.txt +++ b/src/crepe/system/CMakeLists.txt @@ -5,7 +5,12 @@ target_sources(crepe PUBLIC PhysicsSystem.cpp CollisionSystem.cpp RenderSystem.cpp + AudioSystem.cpp AnimatorSystem.cpp + InputSystem.cpp + EventSystem.cpp + ReplaySystem.cpp + AISystem.cpp ) target_sources(crepe PUBLIC FILE_SET HEADERS FILES @@ -14,5 +19,10 @@ target_sources(crepe PUBLIC FILE_SET HEADERS FILES PhysicsSystem.h CollisionSystem.h RenderSystem.h + AudioSystem.h AnimatorSystem.h + InputSystem.h + EventSystem.h + ReplaySystem.h + AISystem.h ) diff --git a/src/crepe/system/CollisionSystem.cpp b/src/crepe/system/CollisionSystem.cpp index c74ca1d..9d88d9f 100644 --- a/src/crepe/system/CollisionSystem.cpp +++ b/src/crepe/system/CollisionSystem.cpp @@ -1,5 +1,575 @@ +#include <algorithm> +#include <cmath> +#include <cstddef> +#include <functional> +#include <optional> +#include <utility> +#include <variant> + +#include "../manager/ComponentManager.h" +#include "../manager/EventManager.h" +#include "api/BoxCollider.h" +#include "api/CircleCollider.h" +#include "api/Event.h" +#include "api/Metadata.h" +#include "api/Rigidbody.h" +#include "api/Transform.h" +#include "api/Vector2.h" + +#include "Collider.h" #include "CollisionSystem.h" +#include "types.h" +#include "util/OptionalRef.h" using namespace crepe; -void CollisionSystem::update() {} +void CollisionSystem::fixed_update() { + std::vector<CollisionInternal> all_colliders; + game_object_id_t id = 0; + ComponentManager & mgr = this->mediator.component_manager; + RefVector<Rigidbody> rigidbodies = mgr.get_components_by_type<Rigidbody>(); + // Collisions can only happen on object with a rigidbody + for (Rigidbody & rigidbody : rigidbodies) { + if (!rigidbody.active) continue; + id = rigidbody.game_object_id; + Transform & transform = mgr.get_components_by_id<Transform>(id).front().get(); + // Check if the boxcollider is active and has the same id as the rigidbody. + RefVector<BoxCollider> boxcolliders = mgr.get_components_by_type<BoxCollider>(); + for (BoxCollider & boxcollider : boxcolliders) { + if (boxcollider.game_object_id != id) continue; + if (!boxcollider.active) continue; + all_colliders.push_back({.id = id, + .collider = collider_variant{boxcollider}, + .transform = transform, + .rigidbody = rigidbody}); + } + // Check if the circlecollider is active and has the same id as the rigidbody. + RefVector<CircleCollider> circlecolliders + = mgr.get_components_by_type<CircleCollider>(); + for (CircleCollider & circlecollider : circlecolliders) { + if (circlecollider.game_object_id != id) continue; + if (!circlecollider.active) continue; + all_colliders.push_back({.id = id, + .collider = collider_variant{circlecollider}, + .transform = transform, + .rigidbody = rigidbody}); + } + } + + // Check between all colliders if there is a collision + std::vector<std::pair<CollisionInternal, CollisionInternal>> collided + = this->gather_collisions(all_colliders); + + // For both objects call the collision handler + for (auto & collision_pair : collided) { + this->collision_handler_request(collision_pair.first, collision_pair.second); + this->collision_handler_request(collision_pair.second, collision_pair.first); + } +} + +void CollisionSystem::collision_handler_request(CollisionInternal & this_data, + CollisionInternal & other_data) { + + CollisionInternalType type + = this->get_collider_type(this_data.collider, other_data.collider); + std::pair<vec2, CollisionSystem::Direction> resolution_data + = this->collision_handler(this_data, other_data, type); + ComponentManager & mgr = this->mediator.component_manager; + OptionalRef<Metadata> this_metadata + = mgr.get_components_by_id<Metadata>(this_data.id).front().get(); + OptionalRef<Metadata> other_metadata + = mgr.get_components_by_id<Metadata>(other_data.id).front().get(); + OptionalRef<Collider> this_collider; + OptionalRef<Collider> other_collider; + switch (type) { + case CollisionInternalType::BOX_BOX: { + this_collider = std::get<std::reference_wrapper<BoxCollider>>(this_data.collider); + other_collider + = std::get<std::reference_wrapper<BoxCollider>>(other_data.collider); + break; + } + case CollisionInternalType::BOX_CIRCLE: { + this_collider = std::get<std::reference_wrapper<BoxCollider>>(this_data.collider); + other_collider + = std::get<std::reference_wrapper<CircleCollider>>(other_data.collider); + break; + } + case CollisionInternalType::CIRCLE_BOX: { + this_collider + = std::get<std::reference_wrapper<CircleCollider>>(this_data.collider); + other_collider + = std::get<std::reference_wrapper<BoxCollider>>(other_data.collider); + break; + } + case CollisionInternalType::CIRCLE_CIRCLE: { + this_collider + = std::get<std::reference_wrapper<CircleCollider>>(this_data.collider); + other_collider + = std::get<std::reference_wrapper<CircleCollider>>(other_data.collider); + break; + } + } + + // collision info + crepe::CollisionSystem::CollisionInfo collision_info{ + .this_collider = this_collider, + .this_transform = this_data.transform, + .this_rigidbody = this_data.rigidbody, + .this_metadata = this_metadata, + .other_collider = other_collider, + .other_transform = other_data.transform, + .other_rigidbody = other_data.rigidbody, + .other_metadata = other_metadata, + .resolution = resolution_data.first, + .resolution_direction = resolution_data.second, + }; + + // Determine if static needs to be called + this->determine_collision_handler(collision_info); +} + +std::pair<vec2, CollisionSystem::Direction> +CollisionSystem::collision_handler(CollisionInternal & data1, CollisionInternal & data2, + CollisionInternalType type) { + vec2 resolution; + switch (type) { + case CollisionInternalType::BOX_BOX: { + const BoxCollider & collider1 + = std::get<std::reference_wrapper<BoxCollider>>(data1.collider); + const BoxCollider & collider2 + = std::get<std::reference_wrapper<BoxCollider>>(data2.collider); + vec2 collider_pos1 = this->get_current_position(collider1.offset, data1.transform, + data1.rigidbody); + vec2 collider_pos2 = this->get_current_position(collider2.offset, data2.transform, + data2.rigidbody); + resolution = this->get_box_box_resolution(collider1, collider2, collider_pos1, + collider_pos2); + break; + } + case CollisionInternalType::BOX_CIRCLE: { + const BoxCollider & collider1 + = std::get<std::reference_wrapper<BoxCollider>>(data1.collider); + const CircleCollider & collider2 + = std::get<std::reference_wrapper<CircleCollider>>(data2.collider); + vec2 collider_pos1 = this->get_current_position(collider1.offset, data1.transform, + data1.rigidbody); + vec2 collider_pos2 = this->get_current_position(collider2.offset, data2.transform, + data2.rigidbody); + resolution = -this->get_circle_box_resolution(collider2, collider1, collider_pos2, + collider_pos1); + break; + } + case CollisionInternalType::CIRCLE_CIRCLE: { + const CircleCollider & collider1 + = std::get<std::reference_wrapper<CircleCollider>>(data1.collider); + const CircleCollider & collider2 + = std::get<std::reference_wrapper<CircleCollider>>(data2.collider); + vec2 collider_pos1 = this->get_current_position(collider1.offset, data1.transform, + data1.rigidbody); + vec2 collider_pos2 = this->get_current_position(collider2.offset, data2.transform, + data2.rigidbody); + resolution = this->get_circle_circle_resolution(collider1, collider2, + collider_pos1, collider_pos2); + break; + } + case CollisionInternalType::CIRCLE_BOX: { + const CircleCollider & collider1 + = std::get<std::reference_wrapper<CircleCollider>>(data1.collider); + const BoxCollider & collider2 + = std::get<std::reference_wrapper<BoxCollider>>(data2.collider); + vec2 collider_pos1 = this->get_current_position(collider1.offset, data1.transform, + data1.rigidbody); + vec2 collider_pos2 = this->get_current_position(collider2.offset, data2.transform, + data2.rigidbody); + resolution = this->get_circle_box_resolution(collider1, collider2, collider_pos1, + collider_pos2); + break; + } + } + + Direction resolution_direction = Direction::NONE; + if (resolution.x != 0 && resolution.y != 0) { + resolution_direction = Direction::BOTH; + } else if (resolution.x != 0) { + resolution_direction = Direction::X_DIRECTION; + //checks if the other velocity has a value and if this object moved + if (data1.rigidbody.data.linear_velocity.x != 0 + && data1.rigidbody.data.linear_velocity.y != 0) + resolution.y = -data1.rigidbody.data.linear_velocity.y + * (resolution.x / data1.rigidbody.data.linear_velocity.x); + } else if (resolution.y != 0) { + resolution_direction = Direction::Y_DIRECTION; + //checks if the other velocity has a value and if this object moved + if (data1.rigidbody.data.linear_velocity.x != 0 + && data1.rigidbody.data.linear_velocity.y != 0) + resolution.x = -data1.rigidbody.data.linear_velocity.x + * (resolution.y / data1.rigidbody.data.linear_velocity.y); + } + + return std::make_pair(resolution, resolution_direction); +} + +vec2 CollisionSystem::get_box_box_resolution(const BoxCollider & box_collider1, + const BoxCollider & box_collider2, + const vec2 & final_position1, + const vec2 & final_position2) const { + vec2 resolution; // Default resolution vector + vec2 delta = final_position2 - final_position1; + + // Compute half-dimensions of the boxes + float half_width1 = box_collider1.dimensions.x / 2.0; + float half_height1 = box_collider1.dimensions.y / 2.0; + float half_width2 = box_collider2.dimensions.x / 2.0; + float half_height2 = box_collider2.dimensions.y / 2.0; + + // Calculate overlaps along X and Y axes + float overlap_x = (half_width1 + half_width2) - std::abs(delta.x); + float overlap_y = (half_height1 + half_height2) - std::abs(delta.y); + + // Check if there is a collision should always be true + if (overlap_x > 0 && overlap_y > 0) { + // Determine the direction of resolution + if (overlap_x < overlap_y) { + // Resolve along the X-axis (smallest overlap) + resolution.x = (delta.x > 0) ? -overlap_x : overlap_x; + } else if (overlap_y < overlap_x) { + // Resolve along the Y-axis (smallest overlap) + resolution.y = (delta.y > 0) ? -overlap_y : overlap_y; + } else { + // Equal overlap, resolve both directions with preference + resolution.x = (delta.x > 0) ? -overlap_x : overlap_x; + resolution.y = (delta.y > 0) ? -overlap_y : overlap_y; + } + } + + return resolution; +} + +vec2 CollisionSystem::get_circle_circle_resolution(const CircleCollider & circle_collider1, + const CircleCollider & circle_collider2, + const vec2 & final_position1, + const vec2 & final_position2) const { + vec2 delta = final_position2 - final_position1; + + // Compute the distance between the two circle centers + float distance = std::sqrt(delta.x * delta.x + delta.y * delta.y); + + // Compute the combined radii of the two circles + float combined_radius = circle_collider1.radius + circle_collider2.radius; + + // Compute the penetration depth + float penetration_depth = combined_radius - distance; + + // Normalize the delta vector to get the collision direction + vec2 collision_normal = delta / distance; + + // Compute the resolution vector + vec2 resolution = -collision_normal * penetration_depth; + + return resolution; +} + +vec2 CollisionSystem::get_circle_box_resolution(const CircleCollider & circle_collider, + const BoxCollider & box_collider, + const vec2 & circle_position, + const vec2 & box_position) const { + vec2 delta = circle_position - box_position; + + // Compute half-dimensions of the box + float half_width = box_collider.dimensions.x / 2.0f; + float half_height = box_collider.dimensions.y / 2.0f; + + // Clamp circle center to the nearest point on the box + vec2 closest_point; + closest_point.x = std::clamp(delta.x, -half_width, half_width); + closest_point.y = std::clamp(delta.y, -half_height, half_height); + + // Find the vector from the circle center to the closest point + vec2 closest_delta = delta - closest_point; + + // Normalize the delta to get the collision direction + float distance + = std::sqrt(closest_delta.x * closest_delta.x + closest_delta.y * closest_delta.y); + vec2 collision_normal = closest_delta / distance; + + // Compute penetration depth + float penetration_depth = circle_collider.radius - distance; + + // Compute the resolution vector + vec2 resolution = collision_normal * penetration_depth; + + return resolution; +} + +void CollisionSystem::determine_collision_handler(CollisionInfo & info) { + // Check rigidbody type for static + if (info.this_rigidbody.data.body_type == Rigidbody::BodyType::STATIC) return; + // If second body is static perform the static collision handler in this system + if (info.other_rigidbody.data.body_type == Rigidbody::BodyType::STATIC) { + this->static_collision_handler(info); + }; + // Call collision event for user + CollisionEvent data(info); + EventManager & emgr = this->mediator.event_manager; + emgr.trigger_event<CollisionEvent>(data, info.this_collider.game_object_id); +} + +void CollisionSystem::static_collision_handler(CollisionInfo & info) { + // Move object back using calculate move back value + info.this_transform.position += info.resolution; + + switch (info.resolution_direction) { + case Direction::BOTH: + //bounce + if (info.this_rigidbody.data.elastisity_coefficient > 0) { + info.this_rigidbody.data.linear_velocity + = -info.this_rigidbody.data.linear_velocity + * info.this_rigidbody.data.elastisity_coefficient; + } + //stop movement + else { + info.this_rigidbody.data.linear_velocity = {0, 0}; + } + break; + case Direction::Y_DIRECTION: + // Bounce + if (info.this_rigidbody.data.elastisity_coefficient > 0) { + info.this_rigidbody.data.linear_velocity.y + = -info.this_rigidbody.data.linear_velocity.y + * info.this_rigidbody.data.elastisity_coefficient; + } + // Stop movement + else { + info.this_rigidbody.data.linear_velocity.y = 0; + info.this_transform.position.x -= info.resolution.x; + } + break; + case Direction::X_DIRECTION: + // Bounce + if (info.this_rigidbody.data.elastisity_coefficient > 0) { + info.this_rigidbody.data.linear_velocity.x + = -info.this_rigidbody.data.linear_velocity.x + * info.this_rigidbody.data.elastisity_coefficient; + } + // Stop movement + else { + info.this_rigidbody.data.linear_velocity.x = 0; + info.this_transform.position.y -= info.resolution.y; + } + break; + case Direction::NONE: + // Not possible + break; + } +} + +std::vector<std::pair<CollisionSystem::CollisionInternal, CollisionSystem::CollisionInternal>> +CollisionSystem::gather_collisions(std::vector<CollisionInternal> & colliders) { + + // TODO: + // If no colliders skip + // Check if colliders has rigidbody if not skip + + // TODO: + // If amount is higer than lets say 16 for now use quadtree otwerwise skip + // Quadtree code + // Quadtree is placed over the input vector + + // Return data of collided colliders which are variants + std::vector<std::pair<CollisionInternal, CollisionInternal>> collisions_ret; + //using visit to visit the variant to access the active and id. + for (size_t i = 0; i < colliders.size(); ++i) { + for (size_t j = i + 1; j < colliders.size(); ++j) { + if (colliders[i].id == colliders[j].id) continue; + if (!have_common_layer(colliders[i].rigidbody.data.collision_layers, + colliders[j].rigidbody.data.collision_layers)) + continue; + CollisionInternalType type + = get_collider_type(colliders[i].collider, colliders[j].collider); + if (!get_collision( + { + .collider = colliders[i].collider, + .transform = colliders[i].transform, + .rigidbody = colliders[i].rigidbody, + }, + { + .collider = colliders[j].collider, + .transform = colliders[j].transform, + .rigidbody = colliders[j].rigidbody, + }, + type)) + continue; + collisions_ret.emplace_back(colliders[i], colliders[j]); + } + } + + return collisions_ret; +} + +bool CollisionSystem::have_common_layer(const std::set<int> & layers1, + const std::set<int> & layers2) { + + // Check if any number is equal in the layers + for (int num : layers1) { + if (layers2.contains(num)) { + // Common layer found + return true; + break; + } + } + // No common layer found + return false; +} + +CollisionSystem::CollisionInternalType +CollisionSystem::get_collider_type(const collider_variant & collider1, + const collider_variant & collider2) const { + if (std::holds_alternative<std::reference_wrapper<CircleCollider>>(collider1)) { + if (std::holds_alternative<std::reference_wrapper<CircleCollider>>(collider2)) { + return CollisionInternalType::CIRCLE_CIRCLE; + } else { + return CollisionInternalType::CIRCLE_BOX; + } + } else { + if (std::holds_alternative<std::reference_wrapper<CircleCollider>>(collider2)) { + return CollisionInternalType::BOX_CIRCLE; + } else { + return CollisionInternalType::BOX_BOX; + } + } +} + +bool CollisionSystem::get_collision(const CollisionInternal & first_info, + const CollisionInternal & second_info, + CollisionInternalType type) const { + switch (type) { + case CollisionInternalType::BOX_BOX: { + const BoxCollider & box_collider1 + = std::get<std::reference_wrapper<BoxCollider>>(first_info.collider); + const BoxCollider & box_collider2 + = std::get<std::reference_wrapper<BoxCollider>>(second_info.collider); + return this->get_box_box_collision(box_collider1, box_collider2, + first_info.transform, second_info.transform, + second_info.rigidbody, second_info.rigidbody); + } + case CollisionInternalType::BOX_CIRCLE: { + const BoxCollider & box_collider + = std::get<std::reference_wrapper<BoxCollider>>(first_info.collider); + const CircleCollider & circle_collider + = std::get<std::reference_wrapper<CircleCollider>>(second_info.collider); + return this->get_box_circle_collision( + box_collider, circle_collider, first_info.transform, second_info.transform, + second_info.rigidbody, second_info.rigidbody); + } + case CollisionInternalType::CIRCLE_CIRCLE: { + const CircleCollider & circle_collider1 + = std::get<std::reference_wrapper<CircleCollider>>(first_info.collider); + const CircleCollider & circle_collider2 + = std::get<std::reference_wrapper<CircleCollider>>(second_info.collider); + return this->get_circle_circle_collision( + circle_collider1, circle_collider2, first_info.transform, + second_info.transform, second_info.rigidbody, second_info.rigidbody); + } + case CollisionInternalType::CIRCLE_BOX: { + const CircleCollider & circle_collider + = std::get<std::reference_wrapper<CircleCollider>>(first_info.collider); + const BoxCollider & box_collider + = std::get<std::reference_wrapper<BoxCollider>>(second_info.collider); + return this->get_box_circle_collision( + box_collider, circle_collider, first_info.transform, second_info.transform, + second_info.rigidbody, second_info.rigidbody); + } + } + return false; +} + +bool CollisionSystem::get_box_box_collision(const BoxCollider & box1, const BoxCollider & box2, + const Transform & transform1, + const Transform & transform2, + const Rigidbody & rigidbody1, + const Rigidbody & rigidbody2) const { + // Get current positions of colliders + vec2 final_position1 = this->get_current_position(box1.offset, transform1, rigidbody1); + vec2 final_position2 = this->get_current_position(box2.offset, transform2, rigidbody2); + + // Calculate half-extents (half width and half height) + float half_width1 = box1.dimensions.x / 2.0; + float half_height1 = box1.dimensions.y / 2.0; + float half_width2 = box2.dimensions.x / 2.0; + float half_height2 = box2.dimensions.y / 2.0; + + // Check if the boxes overlap along the X and Y axes + return (final_position1.x + half_width1 > final_position2.x - half_width2 + && final_position1.x - half_width1 < final_position2.x + half_width2 + && final_position1.y + half_height1 > final_position2.y - half_height2 + && final_position1.y - half_height1 < final_position2.y + half_height2); +} + +bool CollisionSystem::get_box_circle_collision(const BoxCollider & box1, + const CircleCollider & circle2, + const Transform & transform1, + const Transform & transform2, + const Rigidbody & rigidbody1, + const Rigidbody & rigidbody2) const { + // Get current positions of colliders + vec2 final_position1 = this->get_current_position(box1.offset, transform1, rigidbody1); + vec2 final_position2 = this->get_current_position(circle2.offset, transform2, rigidbody2); + + // Calculate box half-extents + float half_width = box1.dimensions.x / 2.0; + float half_height = box1.dimensions.y / 2.0; + + // Find the closest point on the box to the circle's center + float closest_x = std::max(final_position1.x - half_width, + std::min(final_position2.x, final_position1.x + half_width)); + float closest_y = std::max(final_position1.y - half_height, + std::min(final_position2.y, final_position1.y + half_height)); + + // Calculate the distance squared between the circle's center and the closest point on the box + float distance_x = final_position2.x - closest_x; + float distance_y = final_position2.y - closest_y; + float distance_squared = distance_x * distance_x + distance_y * distance_y; + + // Compare distance squared with the square of the circle's radius + return distance_squared < circle2.radius * circle2.radius; +} + +bool CollisionSystem::get_circle_circle_collision(const CircleCollider & circle1, + const CircleCollider & circle2, + const Transform & transform1, + const Transform & transform2, + const Rigidbody & rigidbody1, + const Rigidbody & rigidbody2) const { + // Get current positions of colliders + vec2 final_position1 = this->get_current_position(circle1.offset, transform1, rigidbody1); + vec2 final_position2 = this->get_current_position(circle2.offset, transform2, rigidbody2); + + float distance_x = final_position1.x - final_position2.x; + float distance_y = final_position1.y - final_position2.y; + float distance_squared = distance_x * distance_x + distance_y * distance_y; + + // Calculate the sum of the radii + float radius_sum = circle1.radius + circle2.radius; + + // Check if the distance between the centers is less than or equal to the sum of the radii + return distance_squared < radius_sum * radius_sum; +} + +vec2 CollisionSystem::get_current_position(const vec2 & collider_offset, + const Transform & transform, + const Rigidbody & rigidbody) const { + // Get the rotation in radians + float radians1 = transform.rotation * (M_PI / 180.0); + + // Calculate total offset with scale + vec2 total_offset = (rigidbody.data.offset + collider_offset) * transform.scale; + + // Rotate + float rotated_total_offset_x1 + = total_offset.x * cos(radians1) - total_offset.y * sin(radians1); + float rotated_total_offset_y1 + = total_offset.x * sin(radians1) + total_offset.y * cos(radians1); + + // Final positions considering scaling and rotation + return (transform.position + vec2(rotated_total_offset_x1, rotated_total_offset_y1)); +} diff --git a/src/crepe/system/CollisionSystem.h b/src/crepe/system/CollisionSystem.h index c1a70d8..48a8f86 100644 --- a/src/crepe/system/CollisionSystem.h +++ b/src/crepe/system/CollisionSystem.h @@ -1,13 +1,311 @@ #pragma once +#include <optional> +#include <variant> +#include <vector> + +#include "api/BoxCollider.h" +#include "api/CircleCollider.h" +#include "api/Event.h" +#include "api/Metadata.h" +#include "api/Rigidbody.h" +#include "api/Transform.h" +#include "api/Vector2.h" + +#include "Collider.h" #include "System.h" namespace crepe { +//! A system responsible for detecting and handling collisions between colliders. class CollisionSystem : public System { public: using System::System; - void update() override; + +private: + //! A variant type that can hold either a BoxCollider or a CircleCollider. + using collider_variant = std::variant<std::reference_wrapper<BoxCollider>, + std::reference_wrapper<CircleCollider>>; + + //! Enum representing the types of collider pairs for collision detection. + enum class CollisionInternalType { + BOX_BOX, + CIRCLE_CIRCLE, + BOX_CIRCLE, + CIRCLE_BOX, + }; + + /** + * \brief A structure to store the collision data of a single collider. + * + * This structure all components and id that are for needed within this system when calculating or handeling collisions. + * The transform and rigidbody are mostly needed for location and rotation. + * In rigidbody additional info is written about what the body of the object is, + * and how it should respond on a collision. + */ + struct CollisionInternal { + game_object_id_t id = 0; + collider_variant collider; + Transform & transform; + Rigidbody & rigidbody; + }; + + //! Enum representing movement directions during collision resolution. + enum class Direction { + //! No movement required. + NONE, + //! Movement in the X direction. + X_DIRECTION, + //! Movement in the Y direction. + Y_DIRECTION, + //! Movement in both X and Y directions. + BOTH + }; + +public: + /** + * \brief Structure representing detailed collision information between two colliders. + * + * Includes information about the colliding objects and the resolution data for handling the collision. + */ + struct CollisionInfo { + Collider & this_collider; + Transform & this_transform; + Rigidbody & this_rigidbody; + Metadata & this_metadata; + Collider & other_collider; + Transform & other_transform; + Rigidbody & other_rigidbody; + Metadata & other_metadata; + //! The resolution vector for the collision. + vec2 resolution; + //! The direction of movement for resolving the collision. + Direction resolution_direction = Direction::NONE; + }; + +public: + //! Updates the collision system by checking for collisions between colliders and handling them. + void fixed_update() override; + +private: + /** + * \brief Determines the type of collider pair from two colliders. + * + * Uses std::holds_alternative to identify the types of the provided colliders. + * + * \param collider1 First collider variant (BoxCollider or CircleCollider). + * \param collider2 Second collider variant (BoxCollider or CircleCollider). + * \return The combined type of the two colliders. + */ + CollisionInternalType get_collider_type(const collider_variant & collider1, + const collider_variant & collider2) const; + + /** + * \brief Calculates the current position of a collider. + * + * Combines the Collider offset, Transform position, and Rigidbody offset to compute the position of the collider. + * + * \param collider_offset The offset of the collider. + * \param transform The Transform of the associated game object. + * \param rigidbody The Rigidbody of the associated game object. + * \return The calculated position of the collider. + */ + vec2 get_current_position(const vec2 & collider_offset, const Transform & transform, + const Rigidbody & rigidbody) const; + +private: + /** + * \brief Handles collision resolution between two colliders. + * + * Processes collision data and adjusts objects to resolve collisions and/or calls the user oncollision script function. + * + * \param data1 Collision data for the first collider. + * \param data2 Collision data for the second collider. + */ + void collision_handler_request(CollisionInternal & data1, CollisionInternal & data2); + + /** + * \brief Resolves collision between two colliders and calculates the movement required. + * + * Determines the displacement and direction needed to separate colliders based on their types. + * + * \param data1 Collision data for the first collider. + * \param data2 Collision data for the second collider. + * \param type The type of collider pair. + * \return A pair containing the resolution vector and direction for the first collider. + */ + std::pair<vec2, Direction> collision_handler(CollisionInternal & data1, + CollisionInternal & data2, + CollisionInternalType type); + + /** + * \brief Calculates the resolution vector for two BoxColliders. + * + * Computes the displacement required to separate two overlapping BoxColliders. + * + * \param box_collider1 The first BoxCollider. + * \param box_collider2 The second BoxCollider. + * \param position1 The position of the first BoxCollider. + * \param position2 The position of the second BoxCollider. + * \return The resolution vector for the collision. + */ + vec2 get_box_box_resolution(const BoxCollider & box_collider1, + const BoxCollider & box_collider2, const vec2 & position1, + const vec2 & position2) const; + + /** + * \brief Calculates the resolution vector for two CircleCollider. + * + * Computes the displacement required to separate two overlapping CircleCollider. + * + * \param circle_collider1 The first CircleCollider. + * \param circle_collider2 The second CircleCollider. + * \param final_position1 The position of the first CircleCollider. + * \param final_position2 The position of the second CircleCollider. + * \return The resolution vector for the collision. + */ + vec2 get_circle_circle_resolution(const CircleCollider & circle_collider1, + const CircleCollider & circle_collider2, + const vec2 & final_position1, + const vec2 & final_position2) const; + + /** + * \brief Calculates the resolution vector for two CircleCollider. + * + * Computes the displacement required to separate two overlapping CircleCollider. + * + * \param circle_collider The first CircleCollider. + * \param box_collider The second CircleCollider. + * \param circle_position The position of the CircleCollider. + * \param box_position The position of the BoxCollider. + * \return The resolution vector for the collision. + */ + vec2 get_circle_box_resolution(const CircleCollider & circle_collider, + const BoxCollider & box_collider, + const vec2 & circle_position, + const vec2 & box_position) const; + + /** + * \brief Determines the appropriate collision handler for a collision. + * + * Decides the correct resolution process based on the dynamic or static nature of the colliders involved. + * + * \param info Collision information containing data about both colliders. + */ + void determine_collision_handler(CollisionInfo & info); + + /** + * \brief Handles collisions involving static objects. + * + * Resolves collisions by adjusting positions and modifying velocities if bounce is enabled. + * + * \param info Collision information containing data about both colliders. + */ + void static_collision_handler(CollisionInfo & info); + +private: + /** + * \brief Checks for collisions between colliders. + * + * Identifies collisions and generates pairs of colliding objects for further processing. + * + * \param colliders A collection of all active colliders. + * \return A list of collision pairs with their associated data. + */ + std::vector<std::pair<CollisionInternal, CollisionInternal>> + gather_collisions(std::vector<CollisionInternal> & colliders); + + /** + * \brief Checks if two collision layers have at least one common layer. + * + * This function checks if there is any overlapping layer between the two inputs. + * It compares each layer from the first input to see + * if it exists in the second input. If at least one common layer is found, + * the function returns true, indicating that the two colliders share a common + * collision layer. + * + * \param layers1 all collision layers for the first collider. + * \param layers2 all collision layers for the second collider. + * \return Returns true if there is at least one common layer, false otherwise. + */ + + bool have_common_layer(const std::set<int> & layers1, const std::set<int> & layers2); + + /** + * \brief Checks for collision between two colliders. + * + * Calls the appropriate collision detection function based on the collider types. + * + * \param first_info Collision data for the first collider. + * \param second_info Collision data for the second collider. + * \param type The type of collider pair. + * \return True if a collision is detected, otherwise false. + */ + bool get_collision(const CollisionInternal & first_info, + const CollisionInternal & second_info, + CollisionInternalType type) const; + + /** + * \brief Detects collisions between two BoxColliders. + * + * \param box1 The first BoxCollider. + * \param box2 The second BoxCollider. + * \param transform1 Transform of the first object. + * \param transform2 Transform of the second object. + * \param rigidbody1 Rigidbody of the first object. + * \param rigidbody2 Rigidbody of the second object. + * \return True if a collision is detected, otherwise false. + */ + bool get_box_box_collision(const BoxCollider & box1, const BoxCollider & box2, + const Transform & transform1, const Transform & transform2, + const Rigidbody & rigidbody1, + const Rigidbody & rigidbody2) const; + + /** + * \brief Check collision for box on circle collider + * + * \param box1 The BoxCollider + * \param circle2 The CircleCollider + * \param transform1 Transform of the first object. + * \param transform2 Transform of the second object. + * \param rigidbody1 Rigidbody of the first object. + * \param rigidbody2 Rigidbody of the second object. + * \return True if a collision is detected, otherwise false. + */ + bool get_box_circle_collision(const BoxCollider & box1, const CircleCollider & circle2, + const Transform & transform1, const Transform & transform2, + const Rigidbody & rigidbody1, + const Rigidbody & rigidbody2) const; + + /** + * \brief Check collision for circle on circle collider + * + * \param circle1 First CircleCollider + * \param circle2 Second CircleCollider + * \param transform1 Transform of the first object. + * \param transform2 Transform of the second object. + * \param rigidbody1 Rigidbody of the first object. + * \param rigidbody2 Rigidbody of the second object. + * \return True if a collision is detected, otherwise false. + * + * \return status of collision + */ + bool get_circle_circle_collision(const CircleCollider & circle1, + const CircleCollider & circle2, + const Transform & transform1, + const Transform & transform2, + const Rigidbody & rigidbody1, + const Rigidbody & rigidbody2) const; +}; + +/** + * \brief Event triggered during a collision between objects. + */ +class CollisionEvent : public Event { +public: + crepe::CollisionSystem::CollisionInfo info; + CollisionEvent(const crepe::CollisionSystem::CollisionInfo & collisionInfo) + : info(collisionInfo) {} }; } // namespace crepe diff --git a/src/crepe/system/EventSystem.cpp b/src/crepe/system/EventSystem.cpp new file mode 100644 index 0000000..7e168ab --- /dev/null +++ b/src/crepe/system/EventSystem.cpp @@ -0,0 +1,9 @@ +#include "EventSystem.h" +#include "../manager/EventManager.h" + +using namespace crepe; + +void EventSystem::fixed_update() { + EventManager & ev = this->mediator.event_manager; + ev.dispatch_events(); +} diff --git a/src/crepe/system/EventSystem.h b/src/crepe/system/EventSystem.h new file mode 100644 index 0000000..0ae48d2 --- /dev/null +++ b/src/crepe/system/EventSystem.h @@ -0,0 +1,21 @@ +#pragma once + +#include "System.h" + +namespace crepe { + +/** + * \brief EventManager dispatch helper system + */ +class EventSystem : public System { +public: + using System::System; + + /** + * \brief Dispatch queued events + * \see EventManager::dispatch_events + */ + void fixed_update() override; +}; + +} // namespace crepe diff --git a/src/crepe/system/InputSystem.cpp b/src/crepe/system/InputSystem.cpp new file mode 100644 index 0000000..d209282 --- /dev/null +++ b/src/crepe/system/InputSystem.cpp @@ -0,0 +1,209 @@ +#include "../api/Button.h" +#include "../facade/SDLContext.h" +#include "../manager/ComponentManager.h" +#include "../manager/EventManager.h" +#include "util/Log.h" + +#include "InputSystem.h" + +using namespace crepe; + +void InputSystem::fixed_update() { + ComponentManager & mgr = this->mediator.component_manager; + SDLContext & context = this->mediator.sdl_context; + std::vector<EventData> event_list = context.get_events(); + RefVector<Camera> cameras = mgr.get_components_by_type<Camera>(); + OptionalRef<Camera> curr_cam_ref; + + // Find the active camera + for (Camera & cam : cameras) { + if (!cam.active) continue; + curr_cam_ref = cam; + break; + } + if (!curr_cam_ref) return; + + Camera & current_cam = curr_cam_ref; + RefVector<Transform> transform_vec + = mgr.get_components_by_id<Transform>(current_cam.game_object_id); + Transform & cam_transform = transform_vec.front().get(); + + vec2 camera_origin = cam_transform.position + current_cam.data.postion_offset + - (current_cam.viewport_size / 2); + + for (const EventData & event : event_list) { + // Only calculate mouse coordinates for relevant events + if (event.event_type == EventType::MOUSE_DOWN + || event.event_type == EventType::MOUSE_UP + || event.event_type == EventType::MOUSE_MOVE + || event.event_type == EventType::MOUSE_WHEEL) { + this->handle_mouse_event(event, camera_origin, current_cam); + + } else { + this->handle_non_mouse_event(event); + } + } +} + +void InputSystem::handle_mouse_event(const EventData & event, const vec2 & camera_origin, + const Camera & current_cam) { + EventManager & event_mgr = this->mediator.event_manager; + vec2 adjusted_mouse; + adjusted_mouse.x = event.data.mouse_data.mouse_position.x + camera_origin.x; + adjusted_mouse.x = event.data.mouse_data.mouse_position.y + camera_origin.y; + // Check if the mouse is within the viewport + if ((adjusted_mouse.x < camera_origin.x + || adjusted_mouse.x > camera_origin.x + current_cam.viewport_size.x + || adjusted_mouse.y < camera_origin.y + || adjusted_mouse.y > camera_origin.y + current_cam.viewport_size.y)) + return; + + // Handle mouse-specific events + switch (event.event_type) { + case EventType::MOUSE_DOWN: + event_mgr.queue_event<MousePressEvent>({ + .mouse_pos = adjusted_mouse, + .button = event.data.mouse_data.mouse_button, + }); + this->last_mouse_down_position = adjusted_mouse; + this->last_mouse_button = event.data.mouse_data.mouse_button; + break; + + case EventType::MOUSE_UP: { + event_mgr.queue_event<MouseReleaseEvent>({ + .mouse_pos = adjusted_mouse, + .button = event.data.mouse_data.mouse_button, + }); + vec2 delta_move = adjusted_mouse - this->last_mouse_down_position; + int click_tolerance = Config::get_instance().input.click_tolerance; + if (this->last_mouse_button == event.data.mouse_data.mouse_button + && std::abs(delta_move.x) <= click_tolerance + && std::abs(delta_move.y) <= click_tolerance) { + event_mgr.queue_event<MouseClickEvent>({ + .mouse_pos = adjusted_mouse, + .button = event.data.mouse_data.mouse_button, + }); + this->handle_click(event.data.mouse_data.mouse_button, adjusted_mouse); + } + break; + } + + case EventType::MOUSE_MOVE: + event_mgr.queue_event<MouseMoveEvent>({ + .mouse_pos = adjusted_mouse, + .mouse_delta = event.data.mouse_data.rel_mouse_move, + }); + this->handle_move(event, adjusted_mouse); + break; + + case EventType::MOUSE_WHEEL: + event_mgr.queue_event<MouseScrollEvent>({ + .mouse_pos = adjusted_mouse, + .scroll_direction = event.data.mouse_data.scroll_direction, + .scroll_delta = event.data.mouse_data.scroll_delta, + }); + break; + + default: + break; + } +} + +void InputSystem::handle_non_mouse_event(const EventData & event) { + EventManager & event_mgr = this->mediator.event_manager; + switch (event.event_type) { + case EventType::KEY_DOWN: + + event_mgr.queue_event<KeyPressEvent>( + {.repeat = event.data.key_data.key_repeat, .key = event.data.key_data.key}); + break; + case EventType::KEY_UP: + event_mgr.queue_event<KeyReleaseEvent>({.key = event.data.key_data.key}); + break; + case EventType::SHUTDOWN: + event_mgr.queue_event<ShutDownEvent>({}); + break; + case EventType::WINDOW_EXPOSE: + event_mgr.queue_event<WindowExposeEvent>({}); + break; + case EventType::WINDOW_RESIZE: + event_mgr.queue_event<WindowResizeEvent>( + WindowResizeEvent{.dimensions = event.data.window_data.resize_dimension}); + break; + case EventType::WINDOW_MOVE: + event_mgr.queue_event<WindowMoveEvent>( + {.delta_move = event.data.window_data.move_delta}); + break; + case EventType::WINDOW_MINIMIZE: + event_mgr.queue_event<WindowMinimizeEvent>({}); + break; + case EventType::WINDOW_MAXIMIZE: + event_mgr.queue_event<WindowMaximizeEvent>({}); + break; + case EventType::WINDOW_FOCUS_GAIN: + event_mgr.queue_event<WindowFocusGainEvent>({}); + break; + case EventType::WINDOW_FOCUS_LOST: + event_mgr.queue_event<WindowFocusLostEvent>({}); + break; + default: + break; + } +} + +void InputSystem::handle_move(const EventData & event_data, const vec2 & mouse_pos) { + ComponentManager & mgr = this->mediator.component_manager; + EventManager & event_mgr = this->mediator.event_manager; + RefVector<Button> buttons = mgr.get_components_by_type<Button>(); + + for (Button & button : buttons) { + if (!button.active) continue; + Metadata & metadata + = mgr.get_components_by_id<Metadata>(button.game_object_id).front(); + Transform & transform + = mgr.get_components_by_id<Transform>(button.game_object_id).front(); + bool was_hovering = button.hover; + if (this->is_mouse_inside_button(mouse_pos, button, transform)) { + button.hover = true; + if (!was_hovering) { + event_mgr.trigger_event<ButtonEnterEvent>(metadata); + } + } else { + button.hover = false; + if (was_hovering) { + event_mgr.trigger_event<ButtonExitEvent>(metadata); + } + } + } +} + +void InputSystem::handle_click(const MouseButton & mouse_button, const vec2 & mouse_pos) { + ComponentManager & mgr = this->mediator.component_manager; + EventManager & event_mgr = this->mediator.event_manager; + RefVector<Button> buttons = mgr.get_components_by_type<Button>(); + + for (Button & button : buttons) { + if (!button.active) continue; + Metadata & metadata + = mgr.get_components_by_id<Metadata>(button.game_object_id).front(); + Transform & transform + = mgr.get_components_by_id<Transform>(button.game_object_id).front(); + + if (this->is_mouse_inside_button(mouse_pos, button, transform)) { + event_mgr.trigger_event<ButtonPressEvent>(metadata); + } + } +} + +bool InputSystem::is_mouse_inside_button(const vec2 & mouse_pos, const Button & button, + const Transform & transform) { + int actual_x = transform.position.x + button.offset.x; + int actual_y = transform.position.y + button.offset.y; + + int half_width = button.dimensions.x / 2; + int half_height = button.dimensions.y / 2; + + // Check if the mouse is within the button's boundaries + return mouse_pos.x >= actual_x - half_width && mouse_pos.x <= actual_x + half_width + && mouse_pos.y >= actual_y - half_height && mouse_pos.y <= actual_y + half_height; +} diff --git a/src/crepe/system/InputSystem.h b/src/crepe/system/InputSystem.h new file mode 100644 index 0000000..0f1bfa1 --- /dev/null +++ b/src/crepe/system/InputSystem.h @@ -0,0 +1,132 @@ +#pragma once + +#include "../api/Config.h" +#include "../facade/EventData.h" + +#include "../api/Event.h" +#include "../api/Metadata.h" +#include "../types.h" +#include "../util/OptionalRef.h" + +#include "System.h" + +namespace crepe { + +class Camera; +class Button; +class Transform; +//! Event triggered when a button is clicked +class ButtonPressEvent : public Event { +public: + //! Metadata of the button. + const Metadata & metadata; + /** + * \param metadata Metadata of the button pressed + */ + ButtonPressEvent(const Metadata & metadata) : metadata(metadata){}; +}; +//! Event triggered when the mouse enters a button +class ButtonEnterEvent : public Event { +public: + //! Metadata of the button. + const Metadata & metadata; + /** + * \param metadata Metadata of the button pressed + */ + ButtonEnterEvent(const Metadata & metadata) : metadata(metadata){}; +}; +//! Event triggered when the mouse leaves a button +class ButtonExitEvent : public Event { +public: + //! Metadata of the button. + const Metadata & metadata; + /** + * \param metadata Metadata of the button pressed + */ + ButtonExitEvent(const Metadata & metadata) : metadata(metadata){}; +}; + +/** + * \brief Handles the processing of input events created by SDLContext + * + * This system processes events such as mouse clicks, mouse movement, and keyboard + * actions. It is responsible for detecting interactions with UI buttons and + * passing the corresponding events to the registered listeners. + */ +class InputSystem : public System { +public: + using System::System; + + /** + * \brief Updates the system, processing all input events. + * This method processes all events and triggers corresponding actions. + */ + void fixed_update() override; + +private: + //! Stores the last position of the mouse when the button was pressed. + vec2 last_mouse_down_position; + // TODO: specify world/hud space and make regular `vec2` + + //! Stores the last mouse button pressed. + MouseButton last_mouse_button = MouseButton::NONE; + /** + * \brief Handles mouse-related events. + * \param event The event data for the mouse event. + * \param camera_origin The origin position of the camera in world space. + * \param current_cam The currently active camera. + * + * This method processes mouse events, adjusts the mouse position to world coordinates, + * and triggers the appropriate mouse-specific event handling logic. + */ + void handle_mouse_event(const EventData & event, const vec2 & camera_origin, + const Camera & current_cam); + /** + * \brief Handles non-mouse-related events. + * \param event The event data for the non-mouse event. + * + * This method processes events that do not involve the mouse, such as keyboard events, + * window events, and shutdown events, and triggers the corresponding event actions. + */ + void handle_non_mouse_event(const EventData & event); + /** + * \brief Handles the mouse click event. + * \param mouse_button The mouse button involved in the click. + * \param world_mouse_x The X coordinate of the mouse in world space. + * \param world_mouse_y The Y coordinate of the mouse in world space. + * + * This method processes the mouse click event and triggers the corresponding button action. + */ + void handle_click(const MouseButton & mouse_button, const vec2 & mouse_pos); + + /** + * \brief Handles the mouse movement event. + * \param event_data The event data containing information about the mouse movement. + * \param world_mouse_x The X coordinate of the mouse in world space. + * \param world_mouse_y The Y coordinate of the mouse in world space. + * + * This method processes the mouse movement event and updates the button hover state. + */ + void handle_move(const EventData & event_data, const vec2 & mouse_pos); + + /** + * \brief Checks if the mouse position is inside the bounds of the button. + * \param world_mouse_x The X coordinate of the mouse in world space. + * \param world_mouse_y The Y coordinate of the mouse in world space. + * \param button The button to check. + * \param transform The transform component of the button. + * \return True if the mouse is inside the button, false otherwise. + */ + bool is_mouse_inside_button(const vec2 & mouse_pos, const Button & button, + const Transform & transform); + + /** + * \brief Handles the button press event, calling the on_click callback if necessary. + * \param button The button being pressed. + * + * This method triggers the on_click action for the button when it is pressed. + */ + void handle_button_press(Button & button); +}; + +} // namespace crepe diff --git a/src/crepe/system/ParticleSystem.cpp b/src/crepe/system/ParticleSystem.cpp index fcf7522..bbc7366 100644 --- a/src/crepe/system/ParticleSystem.cpp +++ b/src/crepe/system/ParticleSystem.cpp @@ -1,19 +1,24 @@ +#include <chrono> #include <cmath> #include <cstdlib> #include <ctime> -#include "api/ParticleEmitter.h" -#include "api/Transform.h" -#include "api/Vector2.h" +#include "../api/ParticleEmitter.h" +#include "../api/Transform.h" +#include "../manager/ComponentManager.h" +#include "../manager/LoopTimerManager.h" -#include "ComponentManager.h" #include "ParticleSystem.h" using namespace crepe; -void ParticleSystem::update() { +void ParticleSystem::fixed_update() { // Get all emitters - ComponentManager & mgr = this->component_manager; + const Mediator & mediator = this->mediator; + LoopTimerManager & loop_timer = mediator.loop_timer; + ComponentManager & mgr = mediator.component_manager; + float dt = loop_timer.get_scaled_fixed_delta_time().count(); + RefVector<ParticleEmitter> emitters = mgr.get_components_by_type<ParticleEmitter>(); for (ParticleEmitter & emitter : emitters) { @@ -22,40 +27,39 @@ void ParticleSystem::update() { = mgr.get_components_by_id<Transform>(emitter.game_object_id).front().get(); // Emit particles based on emission_rate - int updates = calculate_update(this->update_count, emitter.data.emission_rate); - for (size_t i = 0; i < updates; i++) { - emit_particle(emitter, transform); + emitter.spawn_accumulator += emitter.data.emission_rate * dt; + while (emitter.spawn_accumulator >= 1.0) { + this->emit_particle(emitter, transform); + emitter.spawn_accumulator -= 1.0; } // Update all particles - for (Particle & particle : emitter.data.particles) { + for (Particle & particle : emitter.particles) { if (particle.active) { - particle.update(); + particle.update(dt); } } // Check if within boundary - check_bounds(emitter, transform); + this->check_bounds(emitter, transform); } - - this->update_count = (this->update_count + 1) % this->MAX_UPDATE_COUNT; } void ParticleSystem::emit_particle(ParticleEmitter & emitter, const Transform & transform) { - constexpr double DEG_TO_RAD = M_PI / 180.0; + constexpr float DEG_TO_RAD = M_PI / 180.0; - Vector2 initial_position = emitter.data.position + transform.position; - double random_angle - = generate_random_angle(emitter.data.min_angle, emitter.data.max_angle); + vec2 initial_position = emitter.data.offset + transform.position; + float random_angle + = this->generate_random_angle(emitter.data.min_angle, emitter.data.max_angle); - double random_speed - = generate_random_speed(emitter.data.min_speed, emitter.data.max_speed); - double angle_radians = random_angle * DEG_TO_RAD; + float random_speed + = this->generate_random_speed(emitter.data.min_speed, emitter.data.max_speed); + float angle_radians = random_angle * DEG_TO_RAD; - Vector2 velocity + vec2 velocity = {random_speed * std::cos(angle_radians), random_speed * std::sin(angle_radians)}; - for (Particle & particle : emitter.data.particles) { + for (Particle & particle : emitter.particles) { if (!particle.active) { particle.reset(emitter.data.end_lifespan, initial_position, velocity, random_angle); @@ -64,66 +68,54 @@ void ParticleSystem::emit_particle(ParticleEmitter & emitter, const Transform & } } -int ParticleSystem::calculate_update(int count, double emission) const { - double integer_part = std::floor(emission); - double fractional_part = emission - integer_part; - - if (fractional_part > 0) { - int denominator = static_cast<int>(1.0 / fractional_part); - return (count % denominator == 0) ? 1 : 0; - } - - return static_cast<int>(emission); -} - void ParticleSystem::check_bounds(ParticleEmitter & emitter, const Transform & transform) { - Vector2 offset = emitter.data.boundary.offset + transform.position + emitter.data.position; - double half_width = emitter.data.boundary.width / 2.0; - double half_height = emitter.data.boundary.height / 2.0; - - const double LEFT = offset.x - half_width; - const double RIGHT = offset.x + half_width; - const double TOP = offset.y - half_height; - const double BOTTOM = offset.y + half_height; - - for (Particle & particle : emitter.data.particles) { - const Vector2 & position = particle.position; - bool within_bounds = (position.x >= LEFT && position.x <= RIGHT && position.y >= TOP - && position.y <= BOTTOM); - + vec2 offset = emitter.data.boundary.offset + transform.position + emitter.data.offset; + float half_width = emitter.data.boundary.width / 2.0; + float half_height = emitter.data.boundary.height / 2.0; + + float left = offset.x - half_width; + float right = offset.x + half_width; + float top = offset.y - half_height; + float bottom = offset.y + half_height; + + for (Particle & particle : emitter.particles) { + const vec2 & position = particle.position; + bool within_bounds = (position.x >= left && position.x <= right && position.y >= top + && position.y <= bottom); + //if not within bounds do a reset or stop velocity if (!within_bounds) { if (emitter.data.boundary.reset_on_exit) { particle.active = false; } else { particle.velocity = {0, 0}; - if (position.x < LEFT) particle.position.x = LEFT; - else if (position.x > RIGHT) particle.position.x = RIGHT; - if (position.y < TOP) particle.position.y = TOP; - else if (position.y > BOTTOM) particle.position.y = BOTTOM; + if (position.x < left) particle.position.x = left; + else if (position.x > right) particle.position.x = right; + if (position.y < top) particle.position.y = top; + else if (position.y > bottom) particle.position.y = bottom; } } } } -double ParticleSystem::generate_random_angle(double min_angle, double max_angle) const { +float ParticleSystem::generate_random_angle(float min_angle, float max_angle) const { if (min_angle == max_angle) { return min_angle; } else if (min_angle < max_angle) { return min_angle - + static_cast<double>(std::rand() % static_cast<int>(max_angle - min_angle)); + + static_cast<float>(std::rand() % static_cast<int>(max_angle - min_angle)); } else { - double angle_offset = (360 - min_angle) + max_angle; - double random_angle - = min_angle + static_cast<double>(std::rand() % static_cast<int>(angle_offset)); + float angle_offset = (360 - min_angle) + max_angle; + float random_angle + = min_angle + static_cast<float>(std::rand() % static_cast<int>(angle_offset)); return (random_angle >= 360) ? random_angle - 360 : random_angle; } } -double ParticleSystem::generate_random_speed(double min_speed, double max_speed) const { +float ParticleSystem::generate_random_speed(float min_speed, float max_speed) const { if (min_speed == max_speed) { return min_speed; } else { return min_speed - + static_cast<double>(std::rand() % static_cast<int>(max_speed - min_speed)); + + static_cast<float>(std::rand() % static_cast<int>(max_speed - min_speed)); } } diff --git a/src/crepe/system/ParticleSystem.h b/src/crepe/system/ParticleSystem.h index c647284..4296ff3 100644 --- a/src/crepe/system/ParticleSystem.h +++ b/src/crepe/system/ParticleSystem.h @@ -20,31 +20,21 @@ public: * \brief Updates all particle emitters by emitting particles, updating particle states, and * checking bounds. */ - void update() override; + void fixed_update() override; private: /** * \brief Emits a particle from the specified emitter based on its emission properties. - * + * * \param emitter Reference to the ParticleEmitter. * \param transform Const reference to the Transform component associated with the emitter. */ void emit_particle(ParticleEmitter & emitter, const Transform & transform); /** - * \brief Calculates the number of times particles should be emitted based on emission rate - * and update count. - * - * \param count Current update count. - * \param emission Emission rate. - * \return The number of particles to emit. - */ - int calculate_update(int count, double emission) const; - - /** * \brief Checks whether particles are within the emitter’s boundary, resets or stops * particles if they exit. - * + * * \param emitter Reference to the ParticleEmitter. * \param transform Const reference to the Transform component associated with the emitter. */ @@ -52,29 +42,21 @@ private: /** * \brief Generates a random angle for particle emission within the specified range. - * + * * \param min_angle Minimum emission angle in degrees. * \param max_angle Maximum emission angle in degrees. * \return Random angle in degrees. */ - double generate_random_angle(double min_angle, double max_angle) const; + float generate_random_angle(float min_angle, float max_angle) const; /** * \brief Generates a random speed for particle emission within the specified range. - * + * * \param min_speed Minimum emission speed. * \param max_speed Maximum emission speed. * \return Random speed. */ - double generate_random_speed(double min_speed, double max_speed) const; - -private: - //! Counter to count updates to determine how many times emit_particle is - // called. - unsigned int update_count = 0; - //! Determines the lowest amount of emission rate (1000 = 0.001 = 1 particle per 1000 - // updates). - static constexpr unsigned int MAX_UPDATE_COUNT = 100; + float generate_random_speed(float min_speed, float max_speed) const; }; } // namespace crepe diff --git a/src/crepe/system/PhysicsSystem.cpp b/src/crepe/system/PhysicsSystem.cpp index bcde431..62f8132 100644 --- a/src/crepe/system/PhysicsSystem.cpp +++ b/src/crepe/system/PhysicsSystem.cpp @@ -1,89 +1,98 @@ #include <cmath> -#include "../ComponentManager.h" #include "../api/Config.h" #include "../api/Rigidbody.h" #include "../api/Transform.h" #include "../api/Vector2.h" +#include "../manager/ComponentManager.h" +#include "../manager/LoopTimerManager.h" +#include "../manager/Mediator.h" #include "PhysicsSystem.h" using namespace crepe; -void PhysicsSystem::update() { - ComponentManager & mgr = this->component_manager; +void PhysicsSystem::fixed_update() { + const Mediator & mediator = this->mediator; + ComponentManager & mgr = mediator.component_manager; + LoopTimerManager & loop_timer = mediator.loop_timer; RefVector<Rigidbody> rigidbodies = mgr.get_components_by_type<Rigidbody>(); - RefVector<Transform> transforms = mgr.get_components_by_type<Transform>(); + float dt = loop_timer.get_scaled_fixed_delta_time().count(); - double gravity = Config::get_instance().physics.gravity; + float gravity = Config::get_instance().physics.gravity; for (Rigidbody & rigidbody : rigidbodies) { if (!rigidbody.active) continue; + Transform & transform + = mgr.get_components_by_id<Transform>(rigidbody.game_object_id).front().get(); switch (rigidbody.data.body_type) { case Rigidbody::BodyType::DYNAMIC: - for (Transform & transform : transforms) { - if (transform.game_object_id == rigidbody.game_object_id) { + if (transform.game_object_id == rigidbody.game_object_id) { + // Add gravity - // Add gravity - if (rigidbody.data.use_gravity) { - rigidbody.data.linear_velocity.y - += (rigidbody.data.mass * rigidbody.data.gravity_scale - * gravity); - } - // Add damping - if (rigidbody.data.angular_damping != 0) { - rigidbody.data.angular_velocity *= rigidbody.data.angular_damping; - } - if (rigidbody.data.linear_damping != Vector2{0, 0}) { - rigidbody.data.linear_velocity *= rigidbody.data.linear_damping; - } + if (rigidbody.data.mass <= 0) { + throw std::runtime_error("Mass must be greater than 0"); + } - // Max velocity check - if (rigidbody.data.angular_velocity - > rigidbody.data.max_angular_velocity) { - rigidbody.data.angular_velocity - = rigidbody.data.max_angular_velocity; - } else if (rigidbody.data.angular_velocity - < -rigidbody.data.max_angular_velocity) { - rigidbody.data.angular_velocity - = -rigidbody.data.max_angular_velocity; - } + if (gravity <= 0) { + throw std::runtime_error("Config Gravity must be greater than 0"); + } - if (rigidbody.data.linear_velocity.x - > rigidbody.data.max_linear_velocity.x) { - rigidbody.data.linear_velocity.x - = rigidbody.data.max_linear_velocity.x; - } else if (rigidbody.data.linear_velocity.x - < -rigidbody.data.max_linear_velocity.x) { - rigidbody.data.linear_velocity.x - = -rigidbody.data.max_linear_velocity.x; - } + if (rigidbody.data.gravity_scale > 0 && !rigidbody.data.constraints.y) { + rigidbody.data.linear_velocity.y + += (rigidbody.data.mass * rigidbody.data.gravity_scale * gravity + * dt); + } + // Add coefficient rotation + if (rigidbody.data.angular_velocity_coefficient > 0) { + rigidbody.data.angular_velocity + *= std::pow(rigidbody.data.angular_velocity_coefficient, dt); + } - if (rigidbody.data.linear_velocity.y - > rigidbody.data.max_linear_velocity.y) { - rigidbody.data.linear_velocity.y - = rigidbody.data.max_linear_velocity.y; - } else if (rigidbody.data.linear_velocity.y - < -rigidbody.data.max_linear_velocity.y) { - rigidbody.data.linear_velocity.y - = -rigidbody.data.max_linear_velocity.y; - } + // Add coefficient movement horizontal + if (rigidbody.data.linear_velocity_coefficient.x > 0 + && !rigidbody.data.constraints.x) { + rigidbody.data.linear_velocity.x + *= std::pow(rigidbody.data.linear_velocity_coefficient.x, dt); + } - // Move object - if (!rigidbody.data.constraints.rotation) { - transform.rotation += rigidbody.data.angular_velocity; - transform.rotation = std::fmod(transform.rotation, 360.0); - if (transform.rotation < 0) { - transform.rotation += 360.0; - } - } - if (!rigidbody.data.constraints.x) { - transform.position.x += rigidbody.data.linear_velocity.x; - } - if (!rigidbody.data.constraints.y) { - transform.position.y += rigidbody.data.linear_velocity.y; + // Add coefficient movement horizontal + if (rigidbody.data.linear_velocity_coefficient.y > 0 + && !rigidbody.data.constraints.y) { + rigidbody.data.linear_velocity.y + *= std::pow(rigidbody.data.linear_velocity_coefficient.y, dt); + } + + // Max velocity check + if (rigidbody.data.angular_velocity + > rigidbody.data.max_angular_velocity) { + rigidbody.data.angular_velocity = rigidbody.data.max_angular_velocity; + } else if (rigidbody.data.angular_velocity + < -rigidbody.data.max_angular_velocity) { + rigidbody.data.angular_velocity = -rigidbody.data.max_angular_velocity; + } + + // Set max velocity to maximum length + if (rigidbody.data.linear_velocity.length() + > rigidbody.data.max_linear_velocity) { + rigidbody.data.linear_velocity.normalize(); + rigidbody.data.linear_velocity *= rigidbody.data.max_linear_velocity; + } + + // Move object + if (!rigidbody.data.constraints.rotation) { + transform.rotation += rigidbody.data.angular_velocity * dt; + transform.rotation = std::fmod(transform.rotation, 360.0); + if (transform.rotation < 0) { + transform.rotation += 360.0; } } + if (!rigidbody.data.constraints.x) { + transform.position.x += rigidbody.data.linear_velocity.x * dt; + } + if (!rigidbody.data.constraints.y) { + transform.position.y += rigidbody.data.linear_velocity.y * dt; + } } break; case Rigidbody::BodyType::KINEMATIC: diff --git a/src/crepe/system/PhysicsSystem.h b/src/crepe/system/PhysicsSystem.h index 227ab69..5ed624f 100644 --- a/src/crepe/system/PhysicsSystem.h +++ b/src/crepe/system/PhysicsSystem.h @@ -6,7 +6,7 @@ namespace crepe { /** * \brief System that controls all physics - * + * * This class is a physics system that uses a rigidbody and transform to add physics to a game * object. */ @@ -15,10 +15,10 @@ public: using System::System; /** * \brief updates the physics system. - * + * * It calculates new velocties and changes the postion in the transform. */ - void update() override; + void fixed_update() override; }; } // namespace crepe diff --git a/src/crepe/system/RenderSystem.cpp b/src/crepe/system/RenderSystem.cpp index ad510f5..33218f6 100644 --- a/src/crepe/system/RenderSystem.cpp +++ b/src/crepe/system/RenderSystem.cpp @@ -2,42 +2,60 @@ #include <cassert> #include <cmath> #include <functional> -#include <iostream> +#include <optional> #include <stdexcept> #include <vector> -#include "../ComponentManager.h" +#include "../api/Camera.h" #include "../api/ParticleEmitter.h" #include "../api/Sprite.h" +#include "../api/Text.h" #include "../api/Transform.h" -#include "../api/Vector2.h" +#include "../facade/Font.h" #include "../facade/SDLContext.h" +#include "../facade/Texture.h" +#include "../manager/ComponentManager.h" +#include "../manager/ResourceManager.h" #include "RenderSystem.h" +#include "types.h" using namespace crepe; using namespace std; -void RenderSystem::clear_screen() { this->context.clear_screen(); } +void RenderSystem::clear_screen() { + SDLContext & ctx = this->mediator.sdl_context; + ctx.clear_screen(); +} -void RenderSystem::present_screen() { this->context.present_screen(); } -void RenderSystem::update_camera() { - ComponentManager & mgr = this->component_manager; +void RenderSystem::present_screen() { + SDLContext & ctx = this->mediator.sdl_context; + ctx.present_screen(); +} +void RenderSystem::update_camera() { + ComponentManager & mgr = this->mediator.component_manager; + SDLContext & ctx = this->mediator.sdl_context; RefVector<Camera> cameras = mgr.get_components_by_type<Camera>(); if (cameras.size() == 0) throw std::runtime_error("No cameras in current scene"); for (Camera & cam : cameras) { if (!cam.active) continue; - this->context.set_camera(cam); - this->curr_cam_ref = &cam; + const Transform & transform + = mgr.get_components_by_id<Transform>(cam.game_object_id).front().get(); + vec2 new_camera_pos = transform.position + cam.data.postion_offset; + ctx.update_camera_view(cam, new_camera_pos); + return; } + throw std::runtime_error("No active cameras in current scene"); } bool sorting_comparison(const Sprite & a, const Sprite & b) { - if (a.sorting_in_layer < b.sorting_in_layer) return true; - if (a.sorting_in_layer == b.sorting_in_layer) return a.order_in_layer < b.order_in_layer; + if (a.data.sorting_in_layer != b.data.sorting_in_layer) + return a.data.sorting_in_layer < b.data.sorting_in_layer; + if (a.data.order_in_layer != b.data.order_in_layer) + return a.data.order_in_layer < b.data.order_in_layer; return false; } @@ -49,16 +67,18 @@ RefVector<Sprite> RenderSystem::sort(RefVector<Sprite> & objs) const { return sorted_objs; } -void RenderSystem::update() { +void RenderSystem::frame_update() { this->clear_screen(); - this->update_camera(); this->render(); this->present_screen(); } bool RenderSystem::render_particle(const Sprite & sprite, const double & scale) { - ComponentManager & mgr = this->component_manager; + ComponentManager & mgr = this->mediator.component_manager; + SDLContext & ctx = this->mediator.sdl_context; + ResourceManager & resource_manager = this->mediator.resource_manager; + Texture & res = resource_manager.get<Texture>(sprite.source); vector<reference_wrapper<ParticleEmitter>> emitters = mgr.get_components_by_id<ParticleEmitter>(sprite.game_object_id); @@ -66,28 +86,51 @@ bool RenderSystem::render_particle(const Sprite & sprite, const double & scale) bool rendering_particles = false; for (const ParticleEmitter & em : emitters) { - if (!(&em.data.sprite == &sprite)) continue; + if (&em.sprite != &sprite) continue; rendering_particles = true; if (!em.active) continue; - for (const Particle & p : em.data.particles) { + for (const Particle & p : em.particles) { if (!p.active) continue; - this->context.draw_particle(sprite, p.position, p.angle, scale, - *this->curr_cam_ref); + + ctx.draw(SDLContext::RenderContext{ + .sprite = sprite, + .texture = res, + .pos = p.position, + .angle = p.angle, + .scale = scale, + }); } } return rendering_particles; } void RenderSystem::render_normal(const Sprite & sprite, const Transform & tm) { - this->context.draw(sprite, tm, *this->curr_cam_ref); + SDLContext & ctx = this->mediator.sdl_context; + ResourceManager & resource_manager = this->mediator.resource_manager; + const Texture & res = resource_manager.get<Texture>(sprite.source); + + ctx.draw(SDLContext::RenderContext{ + .sprite = sprite, + .texture = res, + .pos = tm.position, + .angle = tm.rotation, + .scale = tm.scale, + }); } void RenderSystem::render() { + ComponentManager & mgr = this->mediator.component_manager; + this->update_camera(); - ComponentManager & mgr = this->component_manager; RefVector<Sprite> sprites = mgr.get_components_by_type<Sprite>(); + ResourceManager & resource_manager = this->mediator.resource_manager; RefVector<Sprite> sorted_sprites = this->sort(sprites); - + RefVector<Text> text_components = mgr.get_components_by_type<Text>(); + for (Text & text : text_components) { + const Transform & transform + = mgr.get_components_by_id<Transform>(text.game_object_id).front().get(); + this->render_text(text, transform); + } for (const Sprite & sprite : sorted_sprites) { if (!sprite.active) continue; const Transform & transform @@ -100,3 +143,18 @@ void RenderSystem::render() { this->render_normal(sprite, transform); } } +void RenderSystem::render_text(Text & text, const Transform & tm) { + SDLContext & ctx = this->mediator.sdl_context; + + if (!text.font.has_value()) { + text.font.emplace(ctx.get_font_from_name(text.font_family)); + } + + ResourceManager & resource_manager = this->mediator.resource_manager; + + if (!text.font.has_value()) { + return; + } + const Asset & font_asset = text.font.value(); + const Font & res = resource_manager.get<Font>(font_asset); +} diff --git a/src/crepe/system/RenderSystem.h b/src/crepe/system/RenderSystem.h index 30b41cf..656ad5b 100644 --- a/src/crepe/system/RenderSystem.h +++ b/src/crepe/system/RenderSystem.h @@ -1,24 +1,21 @@ #pragma once -#include <functional> -#include <vector> - -#include "facade/SDLContext.h" +#include <cmath> #include "System.h" -#include <cmath> +#include "types.h" namespace crepe { class Camera; class Sprite; - +class Transform; +class Text; /** - * \class RenderSystem * \brief Manages rendering operations for all game objects. * * RenderSystem is responsible for rendering, clearing and presenting the screen, and - * managing the active camera. + * managing the active camera. */ class RenderSystem : public System { public: @@ -27,7 +24,7 @@ public: * \brief Updates the RenderSystem for the current frame. * This method is called to perform all rendering operations for the current game frame. */ - void update() override; + void frame_update() override; private: //! Clears the screen in preparation for rendering. @@ -46,42 +43,41 @@ private: * \brief Renders all the particles on the screen from a given sprite. * * \param sprite renders the particles with given texture - * \param tm the Transform component for scale + * \param tm the Transform component for scale. This is not a const reference because each + * particle has a position and rotation that needs to overwrite the transform position and + * rotation without overwriting the current transform. and because the transform + * constructor is now protected i cannot make tmp inside * \return true if particles have been rendered */ bool render_particle(const Sprite & sprite, const double & scale); - /** - * \brief renders a sprite with a Transform component on the screen + * \brief Renders all Text components + * + * \param text The text component to be rendered. + * \param tm the Transform component that holds the position,rotation and scale + */ + void render_text(Text & text, const Transform & tm); + /** + * \brief renders a sprite with a Transform component on the screen * * \param sprite the sprite component that holds all the data - * \param tm the Transform component that holds the position,rotation and scale + * \param tm the Transform component that holds the position,rotation and scale */ void render_normal(const Sprite & sprite, const Transform & tm); /** * \brief sort a vector sprite objects with * - * \param objs the vector that will do a sorting algorithm on + * \param objs the vector that will do a sorting algorithm on * \return returns a sorted reference vector */ RefVector<Sprite> sort(RefVector<Sprite> & objs) const; /** - * \todo Include color handling for sprites. * \todo Add text rendering using SDL_ttf for text components. * \todo Implement a text component and a button component. - * \todo Ensure each sprite is checked for active status before rendering. - * \todo Sort all layers by order before rendering. * \todo Consider adding text input functionality. */ - -private: - //! Pointer to the current active camera for rendering - Camera * curr_cam_ref = nullptr; - // TODO: needs a better solution - - SDLContext & context = SDLContext::get_instance(); }; } // namespace crepe diff --git a/src/crepe/system/ReplaySystem.cpp b/src/crepe/system/ReplaySystem.cpp new file mode 100644 index 0000000..efc3be4 --- /dev/null +++ b/src/crepe/system/ReplaySystem.cpp @@ -0,0 +1,54 @@ +#include "../manager/ReplayManager.h" +#include "../manager/SystemManager.h" + +#include "EventSystem.h" +#include "RenderSystem.h" +#include "ReplaySystem.h" + +using namespace crepe; +using namespace std; + +void ReplaySystem::fixed_update() { + ReplayManager & replay = this->mediator.replay_manager; + ReplayManager::State state = replay.get_state(); + ReplayManager::State last_state = this->last_state; + this->last_state = state; + + switch (state) { + case ReplayManager::IDLE: + break; + case ReplayManager::RECORDING: { + replay.frame_record(); + break; + } + case ReplayManager::PLAYING: { + if (last_state != ReplayManager::PLAYING) this->playback_begin(); + bool last = replay.frame_step(); + if (last) this->playback_end(); + break; + } + } +} + +void ReplaySystem::playback_begin() { + SystemManager & systems = this->mediator.system_manager; + ComponentManager & components = this->mediator.component_manager; + + this->playback = { + .components = components.save(), + .systems = systems.save(), + }; + + systems.disable_all(); + systems.get_system<RenderSystem>().active = true; + systems.get_system<ReplaySystem>().active = true; + systems.get_system<EventSystem>().active = true; +} + +void ReplaySystem::playback_end() { + SystemManager & systems = this->mediator.system_manager; + ComponentManager & components = this->mediator.component_manager; + + components.restore(this->playback.components); + systems.restore(this->playback.systems); +} diff --git a/src/crepe/system/ReplaySystem.h b/src/crepe/system/ReplaySystem.h new file mode 100644 index 0000000..bbc8d76 --- /dev/null +++ b/src/crepe/system/ReplaySystem.h @@ -0,0 +1,44 @@ +#pragma once + +#include "../manager/ReplayManager.h" +#include "../manager/SystemManager.h" + +#include "System.h" + +namespace crepe { + +/** + * \brief ReplayManager helper system + * + * This system records and replays recordings using ReplayManager. + */ +class ReplaySystem : public System { +public: + using System::System; + + void fixed_update() override; + +private: + //! Last ReplayManager state + ReplayManager::State last_state = ReplayManager::IDLE; + + /** + * \brief Playback snapshot + * + * When starting playback, the component state is saved and most systems are disabled. This + * struct stores the engine state before ReplayManager::play is called. + */ + struct Snapshot { + ComponentManager::Snapshot components; + SystemManager::Snapshot systems; + }; + //! Before playback snapshot + Snapshot playback; + + //! Snapshot state and disable systems during playback + void playback_begin(); + //! Restore state from before \c playback_begin() + void playback_end(); +}; + +} // namespace crepe diff --git a/src/crepe/system/ScriptSystem.cpp b/src/crepe/system/ScriptSystem.cpp index 20a83f7..93b4853 100644 --- a/src/crepe/system/ScriptSystem.cpp +++ b/src/crepe/system/ScriptSystem.cpp @@ -1,16 +1,27 @@ -#include "../ComponentManager.h" #include "../api/BehaviorScript.h" #include "../api/Script.h" +#include "../manager/ComponentManager.h" #include "ScriptSystem.h" using namespace std; using namespace crepe; -void ScriptSystem::update() { - dbg_trace(); +void ScriptSystem::fixed_update() { + LoopTimerManager & timer = this->mediator.loop_timer; + duration_t delta_time = timer.get_scaled_fixed_delta_time(); + this->update(&Script::fixed_update, delta_time); +} + +void ScriptSystem::frame_update() { + LoopTimerManager & timer = this->mediator.loop_timer; + duration_t delta_time = timer.get_delta_time(); + this->update(&Script::frame_update, delta_time); +} - ComponentManager & mgr = this->component_manager; +void ScriptSystem::update(void (Script::*update_function)(duration_t), + const duration_t & delta_time) { + ComponentManager & mgr = this->mediator.component_manager; RefVector<BehaviorScript> behavior_scripts = mgr.get_components_by_type<BehaviorScript>(); for (BehaviorScript & behavior_script : behavior_scripts) { @@ -23,6 +34,7 @@ void ScriptSystem::update() { script->init(); script->initialized = true; } - script->update(); + + (*script.*update_function)(delta_time); } } diff --git a/src/crepe/system/ScriptSystem.h b/src/crepe/system/ScriptSystem.h index 936e9ca..257b615 100644 --- a/src/crepe/system/ScriptSystem.h +++ b/src/crepe/system/ScriptSystem.h @@ -1,5 +1,7 @@ #pragma once +#include "../manager/LoopTimerManager.h" + #include "System.h" namespace crepe { @@ -8,21 +10,28 @@ class Script; /** * \brief Script system - * - * The script system is responsible for all \c BehaviorScript components, and - * calls the methods on classes derived from \c Script. + * + * The script system is responsible for all \c BehaviorScript components, and calls the methods + * on classes derived from \c Script. */ class ScriptSystem : public System { public: using System::System; + +public: + //! Call Script::fixed_update() on all active \c BehaviorScript instances + void fixed_update() override; + //! Call Script::frame_update() on all active \c BehaviorScript instances + void frame_update() override; + +private: /** - * \brief Call Script::update() on all active \c BehaviorScript instances + * \brief Call Script `*_update` member function on all active \c BehaviorScript instances * - * This routine updates all scripts sequentially using the Script::update() - * method. It also calls Script::init() if this has not been done before on - * the \c BehaviorScript instance. + * \note This routine also calls Script::init() if this has not been done before on the \c + * BehaviorScript instance. */ - void update() override; + void update(void (Script::*update_function)(duration_t), const duration_t & delta_time); }; } // namespace crepe diff --git a/src/crepe/system/System.cpp b/src/crepe/system/System.cpp index 937a423..ecc740d 100644 --- a/src/crepe/system/System.cpp +++ b/src/crepe/system/System.cpp @@ -1,7 +1,5 @@ -#include "../util/Log.h" - #include "System.h" using namespace crepe; -System::System(ComponentManager & mgr) : component_manager(mgr) { dbg_trace(); } +System::System(const Mediator & mediator) : mediator(mediator) {} diff --git a/src/crepe/system/System.h b/src/crepe/system/System.h index 28ea20e..e2ce7eb 100644 --- a/src/crepe/system/System.h +++ b/src/crepe/system/System.h @@ -1,5 +1,7 @@ #pragma once +#include "../manager/Mediator.h" + namespace crepe { class ComponentManager; @@ -7,23 +9,24 @@ class ComponentManager; /** * \brief Base ECS system class * - * This class is used as the base for all system classes. Classes derived from - * System must implement the System::update() method and copy Script::Script - * with the `using`-syntax. + * This class is used as the base for all system classes. Classes derived from System must + * implement the System::update() method and copy Script::Script with the `using`-syntax. */ class System { public: - /** - * \brief Process all components this system is responsible for. - */ - virtual void update() = 0; + //! Code that runs in the fixed loop + virtual void fixed_update() {}; + //! Code that runs in the frame loop + virtual void frame_update() {}; + //! Indicates that the update functions of this system should be run + bool active = true; public: - System(ComponentManager &); + System(const Mediator & m); virtual ~System() = default; protected: - ComponentManager & component_manager; + const Mediator & mediator; }; } // namespace crepe diff --git a/src/crepe/types.h b/src/crepe/types.h index 914c76c..69cc526 100644 --- a/src/crepe/types.h +++ b/src/crepe/types.h @@ -1,5 +1,7 @@ #pragma once +#include "api/Vector2.h" + #include <cstdint> #include <functional> #include <vector> @@ -13,4 +15,16 @@ typedef uint32_t game_object_id_t; template <typename T> using RefVector = std::vector<std::reference_wrapper<T>>; -} // namespace crepe +//! Default Vector2<int> type +typedef Vector2<int> ivec2; + +//! Default Vector2<unsigned int> type +typedef Vector2<unsigned int> uvec2; + +//! Default Vector2<float> type +typedef Vector2<float> vec2; + +//! Default Vector2<double> type +typedef Vector2<double> dvec2; + +}; // namespace crepe diff --git a/src/crepe/util/Log.cpp b/src/crepe/util/Log.cpp index 84d80a8..ce25a1d 100644 --- a/src/crepe/util/Log.cpp +++ b/src/crepe/util/Log.cpp @@ -4,6 +4,7 @@ #include "../api/Config.h" #include "Log.h" +#include "LogColor.h" using namespace crepe; using namespace std; diff --git a/src/crepe/util/Log.h b/src/crepe/util/Log.h index fc0bb3a..b43fe30 100644 --- a/src/crepe/util/Log.h +++ b/src/crepe/util/Log.h @@ -2,27 +2,6 @@ #include <format> -// allow user to disable debug macros -#ifndef CREPE_DISABLE_MACROS - -#include "LogColor.h" - -// utility macros -#define _crepe_logf_here(level, fmt, ...) \ - crepe::Log::logf(level, "{}" fmt, \ - crepe::LogColor().fg_white(false).str(std::format( \ - "{} ({}:{})", __PRETTY_FUNCTION__, __FILE_NAME__, __LINE__)), \ - __VA_ARGS__) - -// very illegal global function-style macros -// NOLINTBEGIN -#define dbg_logf(fmt, ...) _crepe_logf_here(crepe::Log::Level::DEBUG, ": " fmt, __VA_ARGS__) -#define dbg_log(str) _crepe_logf_here(crepe::Log::Level::DEBUG, ": {}", str) -#define dbg_trace() _crepe_logf_here(crepe::Log::Level::TRACE, "", "") -// NOLINTEND - -#endif - namespace crepe { /** diff --git a/src/crepe/util/OptionalRef.h b/src/crepe/util/OptionalRef.h index 3201667..1b2cb3f 100644 --- a/src/crepe/util/OptionalRef.h +++ b/src/crepe/util/OptionalRef.h @@ -25,7 +25,7 @@ public: */ OptionalRef<T> & operator=(T & ref); /** - * \brief Retrieve this reference + * \brief Retrieve this reference (cast) * * \returns Internal reference if it is set * @@ -33,6 +33,14 @@ public: */ operator T &() const; /** + * \brief Retrieve this reference (member access) + * + * \returns Internal reference if it is set + * + * \throws std::runtime_error if this function is called while the reference it not set + */ + T * operator->() const; + /** * \brief Check if this reference is not empty * * \returns `true` if reference is set, or `false` if it is not diff --git a/src/crepe/util/OptionalRef.hpp b/src/crepe/util/OptionalRef.hpp index 4608c9e..5e36b3a 100644 --- a/src/crepe/util/OptionalRef.hpp +++ b/src/crepe/util/OptionalRef.hpp @@ -19,6 +19,13 @@ OptionalRef<T>::operator T &() const { } template <typename T> +T * OptionalRef<T>::operator->() const { + if (this->ref == nullptr) + throw std::runtime_error("OptionalRef: attempt to dereference nullptr"); + return this->ref; +} + +template <typename T> OptionalRef<T> & OptionalRef<T>::operator=(T & ref) { this->ref = &ref; return *this; diff --git a/src/crepe/util/dbg.h b/src/crepe/util/dbg.h new file mode 100644 index 0000000..c7283ee --- /dev/null +++ b/src/crepe/util/dbg.h @@ -0,0 +1,18 @@ +#pragma once + +#include "Log.h" +#include "LogColor.h" + +// utility macros +#define _crepe_logf_here(level, fmt, ...) \ + crepe::Log::logf(level, "{}" fmt, \ + crepe::LogColor().fg_white(false).str(std::format( \ + "{} ({}:{})", __PRETTY_FUNCTION__, __FILE_NAME__, __LINE__)), \ + __VA_ARGS__) + +// very illegal global function-style macros +// NOLINTBEGIN +#define dbg_logf(fmt, ...) _crepe_logf_here(crepe::Log::Level::DEBUG, ": " fmt, __VA_ARGS__) +#define dbg_log(str) _crepe_logf_here(crepe::Log::Level::DEBUG, ": {}", str) +#define dbg_trace() _crepe_logf_here(crepe::Log::Level::TRACE, "", "") +// NOLINTEND diff --git a/src/doc/feature/animator_creation.dox b/src/doc/feature/animator_creation.dox new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/src/doc/feature/animator_creation.dox diff --git a/src/doc/feature/proxy.dox b/src/doc/feature/proxy.dox new file mode 100644 index 0000000..66bbd2f --- /dev/null +++ b/src/doc/feature/proxy.dox @@ -0,0 +1,43 @@ +// vim:ft=doxygen +namespace crepe { +/** + +\defgroup feature_proxy Proxy utility +\ingroup feature +\brief Use ValueBroker as if it were a regular variable + +Proxy provides operators that allow you to use a ValueBroker instance as if it +were a regular variable. Proxy implements a constructor that allows it to be +used as a substitute return type for any function that returns ValueBroker. + +\see ValueBroker +\see Proxy + +\par Example + +```cpp +#include <crepe/util/Proxy.h> +#include <crepe/ValueBroker.h> + +int calculation(int value) { + return 3 * value; +} + +void anywhere() { + crepe::ValueBroker<int> foo_handle; + crepe::Proxy foo = foo_handle; + + // implicitly calls .set() + foo += 10; + + // implicitly calls .get() + int out = calculation(foo); + + // explicitly cast (also calls .get()) + int casted = int(foo); +} + +``` + +*/ +} diff --git a/src/doc/feature/savemgr.dox b/src/doc/feature/savemgr.dox new file mode 100644 index 0000000..6aeab03 --- /dev/null +++ b/src/doc/feature/savemgr.dox @@ -0,0 +1,80 @@ +// vim:ft=doxygen +namespace crepe { +/** + +\defgroup feature_savemgr Save data +\ingroup feature +\brief Functions to persistently store and retrieve arbitrary values + +The SaveManager may be used to persistently store game state such as player +progress, statistics, achievements, etc. It works like a key-value store, where +the key is a string and the value is an arbitrary type. + +SaveManager implements the following: + +- Storage and retrieval of primitive types and strings. +- Automatic initialization of the database using default values. +- The underlying database format is journaled, which reduces the likelihood of + players losing save data when an unexpected crash occurs while the SaveManager + is writing to disk. + +\see SaveManager + +\par Example + +The SaveManager instance reference may be retrieved by calling \c +get_save_manager(). This function is available--- + +- Within (derivatives of) Script + +- \todo Within (derivatives of) Scene + +- \todo As a public member function of LoopManager + +```cpp +// Retrieve save manager +crepe::SaveManager & save_manager = get_save_manager(); +``` + +SaveManager may be used *explicitly*, using the \ref SaveManager::set "set()", +\ref SaveManager::get "get()" and \ref SaveManager::has "has()" methods: +```cpp +// Check if the key "foo" exists, and initialize it to 3 if it doesn't +if (!save_manager.has("foo")) + save_manager.set<int>("foo", 3); +// Get value of key "foo" +int foo = save_manager.get<int>("foo"); + +// ~~~ arbitrary game code ~~~ +foo += 10; +// ~~~ arbitrary game code ~~~ + +// Save "foo" back to database +save_manager.set<int>("foo", foo); +``` + +Alternatively, SaveManager::get may be called with a default value as second +parameter. This changes its return type to ValueBroker, which acts as a +read/write handle to the specific key requested, and remembers the key and its +value type for you: +```cpp +// Get a read/write handle to the value stored in key "foo", and initialize it +// to 3 if it doesn't exist yet +ValueBroker foo_handle = save_manager.get<int>("foo", 3); +int foo = foo_handle.get(); + +// ~~~ arbitrary game code ~~~ +foo += 10; +// ~~~ arbitrary game code ~~~ + +// Save back to database +foo_handle.set(foo); +``` + +To further simplify game code, the return value of SaveManager::get may be +implicitly cast to Proxy instead of ValueBroker. This allows the database value +to be used as if it were a regular variable. This usage is detailed separately +in \"\ref feature_proxy\". + +*/ +} diff --git a/src/doc/feature/scene.dox b/src/doc/feature/scene.dox index 5f34446..4124e37 100644 --- a/src/doc/feature/scene.dox +++ b/src/doc/feature/scene.dox @@ -6,10 +6,11 @@ namespace crepe { \ingroup feature \brief User-defined scenes -Scenes can be used to implement game environments, and allow arbitrary game objects to be organized -as part of the game structure. Scenes are implemented as derivative classes of Scene, which are -added to the game using the SceneManager. Scenes describe the start of a Scene and cannot modify -GameObjects during runtime of a Scene (use \ref feature_script "Scripting" for this purpose). +Scenes can be used to implement game environments, and allow arbitrary game +objects to be organized as part of the game structure. Scenes are implemented as +derivative classes of Scene, which are added to the game using the SceneManager. +Scenes describe the start of a Scene and cannot modify GameObjects during +runtime of a Scene (use \ref feature_script for this purpose). \see SceneManager \see GameObject @@ -18,36 +19,40 @@ GameObjects during runtime of a Scene (use \ref feature_script "Scripting" for t \par Example -This example demonstrates how to define and add scenes to the loop/scene manager in the `crepe` framework. -Each concrete scene should be derived from Scene. In the example below, the concrete scene is named MyScene. -A concrete scene should, at least, implement (override) two methods, namely load_scene() and get_name(). The -scene is build (using GameObjects) in the load_scene() method. GameObjects should be made using the -component_manager::new_object(). In the example below, two GameObjects (named object1 and object2) are added -to MyScene. object1 and object2 do not have any non-default Components attached to them, however, if needed, -this should also be done in load_scene(). Each concrete scene must have a unique name. This unique name is -used to load a new concrete scene (via a Script). The unique name is set using the get_name() method. In the -example below, MyScene's unique name is my_scene. -After setting up one or more concrete scene(s), the concrete scene(s) should be added to the loop/scene manager. -This is done in your main(). Firstly, the LoopManager should be instantiated. Than, all the concrete scene(s) -should be added to the loop/scene manger via loop_mgr::add_scene<>(). The templated argument should define the -concrete scene to be added. +This example demonstrates how to define and add scenes to the loop/scene manager +in the `crepe` framework. Each concrete scene should be derived from Scene. In +the example below, the concrete scene is named MyScene. A concrete scene should, +at least, implement (override) two methods, namely load_scene() and get_name(). +The scene is build (using GameObjects) in the load_scene() method. GameObjects +should be made using the component_manager::new_object(). + +In the example below, two GameObjects (named object1 and object2) are added to +MyScene. object1 and object2 do not have any non-default Components attached to +them, however, if needed, this should also be done in load_scene(). Each +concrete scene must have a unique name. This unique name is used to load a new +concrete scene (via a Script). The unique name is set using the get_name() +method. In the example below, MyScene's unique name is my_scene. + +After setting up one or more concrete scene(s), the concrete scene(s) should be +added to the loop/scene manager. This is done in your main(). Firstly, the +LoopManager should be instantiated. Than, all the concrete scene(s) should be +added to the loop/scene manger via loop_mgr::add_scene<>(). The templated +argument should define the concrete scene to be added. ```cpp #include <crepe/api/LoopManager.h> #include <crepe/api/GameObject.h> #include <crepe/api/Scene.h> -#include <crepe/api/Vector2.h> +#include <crepe/types.h> using namespace crepe; class MyScene : public Scene { public: - using Scene::Scene; - void load_scene() { - auto & mgr = this->component_manager; - GameObject object1 = mgr.new_object("object1", "tag_my_scene", Vector2{0, 0}, 0, 1); - GameObject object2 = mgr.new_object("object2", "tag_my_scene", Vector2{1, 0}, 0, 1); + ComponentManager & mgr = this->component_manager; + GameObject object1 = mgr.new_object("object1", "tag_my_scene", vec2{0, 0}, 0, 1); + GameObject object2 = mgr.new_object("object2", "tag_my_scene", vec2{1, 0}, 0, 1); } string get_name() const { return "my_scene"; } diff --git a/src/doc/features.dox b/src/doc/features.dox index 4786bed..21a040a 100644 --- a/src/doc/features.dox +++ b/src/doc/features.dox @@ -1,10 +1,28 @@ // vim:ft=doxygen /** +\htmlonly +<style> +table.memberdecls { display: none; } +ul { margin: 1ex 0pt; } +</style> +\endhtmlonly + \defgroup feature Features \brief Engine components This page lists engine features and contains usage instructions for each feature. +\par Features + +- Scripting + - \ref feature_script \n\copybrief feature_script + +- Game flow management + - \ref feature_scene \n\copybrief feature_scene + +- Entity + - \ref feature_gameobject \n\copybrief feature_gameobject + */ diff --git a/src/doc/index.dox b/src/doc/index.dox index 5ec7889..7796f34 100644 --- a/src/doc/index.dox +++ b/src/doc/index.dox @@ -8,3 +8,10 @@ Welcome to the documentation for the crêpe game engine. \see feature */ + +/** + +\namespace crepe +\brief Engine namespace + +*/ diff --git a/src/doc/internal/component.dox b/src/doc/internal/component.dox new file mode 100644 index 0000000..0dd4cb5 --- /dev/null +++ b/src/doc/internal/component.dox @@ -0,0 +1,41 @@ +// vim:ft=doxygen +namespace crepe { +/** + +\defgroup internal_component Components +\ingroup internal +\brief ECS Components + +Components are attached to GameObject instances and are composed by the game +programmer to create specific entities in the game world. While they are +implemented as C++ classes, components should be treated as C-style structs, +meaning all members are public and they do not contain functions. + +A basic component has the following structure: +```cpp +#include <crepe/Component.h> + +class MyComponent : public crepe::Component { +public: + // Add your custom component's ininitializer properties after the `id` + // parameter. The first parameter is controlled by GameObject::add_component, + // while all other parameters are forwarded using std::forward. + MyComponent(game_object_id_t id, ...); + + // Optionally define the `get_instances_max` method to limit the amount of + // instances of this component per GameObject. The default implementation for + // this function returns -1, which means the instance count does not have an + // upper limit: + virtual int get_instances_max() const { return -1; } + + // Properties + // ... +}; +``` + +Generally, components are "handled" by \ref internal_system "systems", which may +optionally change the components' state. Components' state may also be +controlled by the game programmer through \ref feature_script "scripts". + +*/ +} diff --git a/src/doc/internal/resource.dox b/src/doc/internal/resource.dox new file mode 100644 index 0000000..56f1de0 --- /dev/null +++ b/src/doc/internal/resource.dox @@ -0,0 +1,12 @@ +// vim:ft=doxygen +namespace crepe { +/** + +\defgroup internal_resource Resources +\ingroup internal +\brief Concrete resources + +\todo This section is incomplete + +*/ +} diff --git a/src/doc/internal/style.dox b/src/doc/internal/style.dox new file mode 100644 index 0000000..dad2df0 --- /dev/null +++ b/src/doc/internal/style.dox @@ -0,0 +1,9 @@ +// vim:ft=doxygen +/** + +\defgroup internal_style Code style +\ingroup internal +\brief Coding conventions +\include{doc} contributing.md + +*/ diff --git a/src/doc/internal/system.dox b/src/doc/internal/system.dox new file mode 100644 index 0000000..17a101e --- /dev/null +++ b/src/doc/internal/system.dox @@ -0,0 +1,26 @@ +// vim:ft=doxygen +namespace crepe { +/** + +\defgroup internal_system Systems +\ingroup internal +\brief ECS Systems + +\todo This section is incomplete + +A system is responsible for processing the data stored in \ref +internal_component "components". + +A basic system has the following structure: +```cpp +#include <crepe/system/System.h> + +class MySystem : public System { +public: + using System::System; + void update() override; +}; +``` + +*/ +} diff --git a/src/doc/internals.dox b/src/doc/internals.dox new file mode 100644 index 0000000..2d2ca56 --- /dev/null +++ b/src/doc/internals.dox @@ -0,0 +1,10 @@ +// vim:ft=doxygen +/** + +\defgroup internal Internals +\brief Internal engine structure and other conventions + +\todo This page is incomplete +\todo Anything about Contexts? + +*/ diff --git a/src/doc/layout.xml b/src/doc/layout.xml index 7f514d4..6336655 100644 --- a/src/doc/layout.xml +++ b/src/doc/layout.xml @@ -1,20 +1,23 @@ <?xml version="1.0" encoding="UTF-8"?> <doxygenlayout version="1.0"> <navindex> - <tab type="mainpage" visible="yes" title=""/> + <tab type="mainpage" visible="yes" title="Intro"/> + <tab type="user" url="@ref install" title="Installation"/> + <tab type="user" url="@ref feature" title="Features"/> + <tab type="user" url="@ref internal" title="Internals"/> <tab type="pages" visible="no" title="" intro=""/> - <tab type="topics" visible="yes" title="" intro=""/> - <tab type="modules" visible="yes" title="" intro=""> + <tab type="topics" visible="no" title="" intro=""/> + <tab type="modules" visible="no" title="" intro=""> <tab type="modulelist" visible="yes" title="" intro=""/> <tab type="modulemembers" visible="yes" title="" intro=""/> </tab> - <tab type="namespaces" visible="no" title=""> + <tab type="namespaces" visible="yes" title=""> <tab type="namespacelist" visible="yes" title="" intro=""/> <tab type="namespacemembers" visible="yes" title="" intro=""/> </tab> - <tab type="concepts" visible="yes" title=""> + <tab type="concepts" visible="no" title=""> </tab> - <tab type="interfaces" visible="yes" title=""> + <tab type="interfaces" visible="no" title=""> <tab type="interfacelist" visible="yes" title="" intro=""/> <tab type="interfaceindex" visible="$ALPHABETICAL_INDEX" title=""/> <tab type="interfacehierarchy" visible="yes" title="" intro=""/> @@ -25,20 +28,20 @@ <tab type="hierarchy" visible="yes" title="" intro=""/> <tab type="classmembers" visible="yes" title="" intro=""/> </tab> - <tab type="structs" visible="yes" title=""> + <tab type="structs" visible="no" title=""> <tab type="structlist" visible="yes" title="" intro=""/> <tab type="structindex" visible="$ALPHABETICAL_INDEX" title=""/> </tab> - <tab type="exceptions" visible="yes" title=""> + <tab type="exceptions" visible="no" title=""> <tab type="exceptionlist" visible="yes" title="" intro=""/> <tab type="exceptionindex" visible="$ALPHABETICAL_INDEX" title=""/> <tab type="exceptionhierarchy" visible="yes" title="" intro=""/> </tab> - <tab type="files" visible="yes" title=""> + <tab type="files" visible="no" title=""> <tab type="filelist" visible="yes" title="" intro=""/> <tab type="globals" visible="yes" title="" intro=""/> </tab> - <tab type="examples" visible="yes" title="" intro=""/> + <tab type="examples" visible="no" title="" intro=""/> </navindex> <class> <briefdescription visible="yes"/> @@ -53,10 +56,10 @@ <interfaces title=""/> <publicslots title=""/> <signals title=""/> - <publicmethods title=""/> - <publicstaticmethods title=""/> <publicattributes title=""/> <publicstaticattributes title=""/> + <publicmethods title=""/> + <publicstaticmethods title=""/> <protectedtypes title=""/> <protectedslots title=""/> <protectedmethods title=""/> @@ -99,11 +102,12 @@ </class> <namespace> <briefdescription visible="yes"/> + <detaileddescription title=""/> <memberdecl> <nestednamespaces visible="yes" title=""/> <constantgroups visible="yes" title=""/> <interfaces visible="yes" title=""/> - <classes visible="yes" title=""/> + <classes visible="no" title=""/> <concepts visible="yes" title=""/> <structs visible="yes" title=""/> <exceptions visible="yes" title=""/> @@ -116,7 +120,6 @@ <properties title=""/> <membergroups visible="yes"/> </memberdecl> - <detaileddescription title=""/> <memberdef> <inlineclasses title=""/> <typedefs title=""/> diff --git a/src/doc/style.css b/src/doc/style.css index 08bc9f5..c12240c 100644 --- a/src/doc/style.css +++ b/src/doc/style.css @@ -1,4 +1,6 @@ #titlearea, -address { - display: none; -} +address, +a[href="namespaces.html"] +{ display: none; } + +h2.groupheader { margin-top: revert; } diff --git a/src/example/AITest.cpp b/src/example/AITest.cpp new file mode 100644 index 0000000..93ba500 --- /dev/null +++ b/src/example/AITest.cpp @@ -0,0 +1,90 @@ +#include <crepe/api/AI.h> +#include <crepe/api/BehaviorScript.h> +#include <crepe/api/Camera.h> +#include <crepe/api/Color.h> +#include <crepe/api/GameObject.h> +#include <crepe/api/LoopManager.h> +#include <crepe/api/Rigidbody.h> +#include <crepe/api/Scene.h> +#include <crepe/api/Script.h> +#include <crepe/api/Sprite.h> +#include <crepe/manager/Mediator.h> +#include <crepe/types.h> + +using namespace crepe; +using namespace std; + +class Script1 : public Script { + bool shutdown(const ShutDownEvent & event) { + // Very dirty way of shutting down the game + throw "ShutDownEvent"; + return true; + } + + bool mousemove(const MouseMoveEvent & event) { + /*RefVector<AI> aivec = this->get_components<AI>(); + AI & ai = aivec.front().get(); + ai.flee_target + = vec2{static_cast<float>(event.mouse_x), static_cast<float>(event.mouse_y)};*/ + return true; + } + + void init() { + subscribe<ShutDownEvent>( + [this](const ShutDownEvent & ev) -> bool { return this->shutdown(ev); }); + subscribe<MouseMoveEvent>( + [this](const MouseMoveEvent & ev) -> bool { return this->mousemove(ev); }); + } +}; + +class Scene1 : public Scene { +public: + void load_scene() override { + Mediator & mediator = this->mediator; + ComponentManager & mgr = mediator.component_manager; + + GameObject game_object1 = mgr.new_object("", "", vec2{0, 0}, 0, 1); + GameObject game_object2 = mgr.new_object("", "", vec2{0, 0}, 0, 1); + + Asset img{"asset/texture/test_ap43.png"}; + + Sprite & test_sprite = game_object1.add_component<Sprite>( + img, Sprite::Data{ + .color = Color::MAGENTA, + .flip = Sprite::FlipSettings{false, false}, + .sorting_in_layer = 2, + .order_in_layer = 2, + .size = {0, 100}, + .angle_offset = 0, + .position_offset = {0, 0}, + }); + + AI & ai = game_object1.add_component<AI>(3000); + // ai.arrive_on(); + // ai.flee_on(); + ai.path_follow_on(); + ai.make_oval_path(500, 1000, {0, -1000}, 1.5708, true); + ai.make_oval_path(1000, 500, {0, 500}, 4.7124, false); + game_object1.add_component<Rigidbody>(Rigidbody::Data{ + .mass = 0.1f, + .max_linear_velocity = 40, + }); + game_object1.add_component<BehaviorScript>().set_script<Script1>(); + + game_object2.add_component<Camera>(ivec2{1080, 720}, vec2{5000, 5000}, + Camera::Data{ + .bg_color = Color::WHITE, + .zoom = 1, + }); + } + + string get_name() const override { return "Scene1"; } +}; + +int main() { + LoopManager engine; + engine.add_scene<Scene1>(); + engine.start(); + + return 0; +} diff --git a/src/example/CMakeLists.txt b/src/example/CMakeLists.txt index 560e2bc..f9da7ce 100644 --- a/src/example/CMakeLists.txt +++ b/src/example/CMakeLists.txt @@ -16,8 +16,10 @@ function(add_example target_name) add_dependencies(examples ${target_name}) endfunction() -add_example(asset_manager) -add_example(savemgr) add_example(rendering_particle) -add_example(gameloop) - +add_example(game) +add_example(button) +add_example(replay) +add_example(loadfont) +add_example(FontExample) +add_example(AITest) diff --git a/src/example/FontExample.cpp b/src/example/FontExample.cpp new file mode 100644 index 0000000..6a334b1 --- /dev/null +++ b/src/example/FontExample.cpp @@ -0,0 +1,55 @@ +#include <SDL2/SDL_ttf.h> +#include <chrono> +#include <crepe/api/Camera.h> +#include <crepe/api/Config.h> +#include <crepe/api/GameObject.h> +#include <crepe/api/LoopManager.h> +#include <crepe/api/Scene.h> +#include <crepe/api/Script.h> +#include <crepe/api/Text.h> +#include <crepe/facade/Font.h> +#include <crepe/facade/SDLContext.h> +#include <crepe/manager/EventManager.h> +#include <crepe/manager/Mediator.h> +#include <crepe/manager/ResourceManager.h> +#include <exception> +#include <iostream> +#include <memory> +using namespace crepe; +using namespace std; +using namespace std::chrono; +class TestScript : public Script { +public: + steady_clock::time_point start_time; + virtual void init() override { start_time = steady_clock::now(); } + virtual void update() override { + auto now = steady_clock::now(); + auto elapsed = duration_cast<seconds>(now - start_time).count(); + + if (elapsed >= 5) { + Mediator & med = mediator; + EventManager & event_mgr = med.event_manager; + event_mgr.trigger_event<ShutDownEvent>(); + } + } +}; +class TestScene : public Scene { +public: + void load_scene() override { + GameObject text_object = this->new_object("test", "test", vec2{0, 0}, 0, 1); + text_object.add_component<Text>(vec2(100, 100), vec2(0, 0), "OpenSymbol", + Text::Data{}); + text_object.add_component<BehaviorScript>().set_script<TestScript>(); + text_object.add_component<Camera>(ivec2{300, 300}, vec2{100, 100}, Camera::Data{}); + } + std::string get_name() const override { return "hey"; } +}; +int main() { + // Config& config = Config::get_instance(); + // config.log.level = Log::Level::TRACE; + LoopManager engine; + engine.add_scene<TestScene>(); + engine.start(); + + return 0; +} diff --git a/src/example/asset_manager.cpp b/src/example/asset_manager.cpp deleted file mode 100644 index 917b547..0000000 --- a/src/example/asset_manager.cpp +++ /dev/null @@ -1,36 +0,0 @@ -#include <crepe/api/AssetManager.h> -#include <crepe/api/Texture.h> -#include <crepe/facade/Sound.h> - -using namespace crepe; - -int main() { - - // this needs to be called before the asset manager otherwise the destructor of sdl is not in - // the right order - { Texture test("../asset/texture/img.png"); } - // FIXME: make it so the issue described by the above comment is not possible (i.e. the order - // in which internal classes are instantiated should not impact the way the engine works). - - auto & mgr = AssetManager::get_instance(); - - { - // TODO: [design] the Sound class can't be directly included by the user as it includes - // SoLoud headers. - auto bgm = mgr.cache<Sound>("../mwe/audio/bgm.ogg"); - auto sfx1 = mgr.cache<Sound>("../mwe/audio/sfx1.wav"); - auto sfx2 = mgr.cache<Sound>("../mwe/audio/sfx2.wav"); - - auto img = mgr.cache<Texture>("../asset/texture/img.png"); - auto img1 = mgr.cache<Texture>("../asset/texture/second.png"); - } - - { - auto bgm = mgr.cache<Sound>("../mwe/audio/bgm.ogg"); - auto sfx1 = mgr.cache<Sound>("../mwe/audio/sfx1.wav"); - auto sfx2 = mgr.cache<Sound>("../mwe/audio/sfx2.wav"); - - auto img = mgr.cache<Texture>("../asset/texture/img.png"); - auto img1 = mgr.cache<Texture>("../asset/texture/second.png"); - } -} diff --git a/src/example/button.cpp b/src/example/button.cpp new file mode 100644 index 0000000..4220588 --- /dev/null +++ b/src/example/button.cpp @@ -0,0 +1,41 @@ +#include <SDL2/SDL_timer.h> +#include <chrono> +#include <crepe/Component.h> +#include <crepe/api/Animator.h> +#include <crepe/api/Button.h> +#include <crepe/api/Camera.h> +#include <crepe/api/Color.h> +#include <crepe/api/GameObject.h> +#include <crepe/api/Sprite.h> +#include <crepe/api/Texture.h> +#include <crepe/api/Transform.h> +#include <crepe/facade/SDLContext.h> +#include <crepe/manager/ComponentManager.h> +#include <crepe/manager/EventManager.h> +#include <crepe/system/AnimatorSystem.h> +#include <crepe/system/InputSystem.h> +#include <crepe/system/RenderSystem.h> +#include <crepe/types.h> +using namespace crepe; +using namespace std; + +int main(int argc, char * argv[]) { + Mediator mediator; + ComponentManager mgr{mediator}; + RenderSystem sys{mediator}; + EventManager event_mgr{mediator}; + InputSystem input_sys{mediator}; + SDLContext sdl_context{mediator}; + GameObject obj = mgr.new_object("camera", "camera", vec2{0, 0}, 0, 1); + auto & camera = obj.add_component<Camera>( + ivec2{500, 500}, vec2{500, 500}, Camera::Data{.bg_color = Color::WHITE, .zoom = 1.0f}); + auto start = std::chrono::steady_clock::now(); + while (true) { + const keyboard_state_t & keyboard_state = sdl_context.get_keyboard_state(); + input_sys.update(); + sys.update(); + event_mgr.dispatch_events(); + SDL_Delay(30); + } + return 0; +} diff --git a/src/example/game.cpp b/src/example/game.cpp new file mode 100644 index 0000000..3975650 --- /dev/null +++ b/src/example/game.cpp @@ -0,0 +1,292 @@ +#include "api/CircleCollider.h" +#include "api/ParticleEmitter.h" +#include "api/Scene.h" +#include "manager/ComponentManager.h" +#include "manager/Mediator.h" +#include "types.h" +#include <crepe/api/BoxCollider.h> +#include <crepe/api/Camera.h> +#include <crepe/api/Color.h> +#include <crepe/api/Event.h> +#include <crepe/api/GameObject.h> +#include <crepe/api/LoopManager.h> +#include <crepe/api/Rigidbody.h> +#include <crepe/api/Script.h> +#include <crepe/api/Sprite.h> +#include <crepe/api/Transform.h> +#include <crepe/api/Vector2.h> + +using namespace crepe; + +using namespace std; + +class MyScript1 : public Script { + bool flip = false; + bool oncollision(const CollisionEvent & test) { + Log::logf("Box {} script on_collision()", test.info.this_collider.game_object_id); + return true; + } + bool keypressed(const KeyPressEvent & test) { + Log::logf("Box script keypressed()"); + switch (test.key) { + case Keycode::A: { + Rigidbody & tf = this->get_component<Rigidbody>(); + tf.data.linear_velocity.x -= 1; + break; + } + case Keycode::W: { + Rigidbody & tf = this->get_component<Rigidbody>(); + // tf.data.linear_velocity.y -= 1; + tf.add_force_linear({0, -1}); + break; + } + case Keycode::S: { + Rigidbody & tf = this->get_component<Rigidbody>(); + tf.data.linear_velocity.y += 1; + break; + } + case Keycode::D: { + Rigidbody & tf = this->get_component<Rigidbody>(); + tf.data.linear_velocity.x += 1; + break; + } + case Keycode::E: { + if (flip) { + flip = false; + this->get_component<BoxCollider>().active = true; + this->get_components<Sprite>()[0].get().active = true; + this->get_component<CircleCollider>().active = false; + this->get_components<Sprite>()[1].get().active = false; + } else { + flip = true; + this->get_component<BoxCollider>().active = false; + this->get_components<Sprite>()[0].get().active = false; + this->get_component<CircleCollider>().active = true; + this->get_components<Sprite>()[1].get().active = true; + } + + //add collider switch + break; + } + case Keycode::Q: { + Rigidbody & rg = this->get_component<Rigidbody>(); + rg.data.angular_velocity = 1; + break; + } + default: + break; + } + return false; + } + + void init() { + Log::logf("init"); + subscribe<CollisionEvent>( + [this](const CollisionEvent & ev) -> bool { return this->oncollision(ev); }); + subscribe<KeyPressEvent>( + [this](const KeyPressEvent & ev) -> bool { return this->keypressed(ev); }); + } + void update(duration_t) { + Rigidbody & tf = this->get_component<Rigidbody>(); + Log::logf("linear_velocity.x {}", tf.data.linear_velocity.x); + Log::logf("linear_velocity.y {}", tf.data.linear_velocity.y); + // tf.data.linear_velocity = {0,0}; + } +}; + +class MyScript2 : public Script { + bool flip = false; + bool oncollision(const CollisionEvent & test) { + Log::logf("Box {} script on_collision()", test.info.this_collider.game_object_id); + return true; + } + bool keypressed(const KeyPressEvent & test) { + Log::logf("Box script keypressed()"); + switch (test.key) { + case Keycode::LEFT: { + Transform & tf = this->get_component<Transform>(); + tf.position.x -= 1; + break; + } + case Keycode::UP: { + Transform & tf = this->get_component<Transform>(); + tf.position.y -= 1; + break; + } + case Keycode::DOWN: { + Transform & tf = this->get_component<Transform>(); + tf.position.y += 1; + break; + } + case Keycode::RIGHT: { + Transform & tf = this->get_component<Transform>(); + tf.position.x += 1; + break; + } + case Keycode::PAUSE: { + if (flip) { + flip = false; + this->get_component<BoxCollider>().active = true; + this->get_components<Sprite>()[0].get().active = true; + this->get_component<CircleCollider>().active = false; + this->get_components<Sprite>()[1].get().active = false; + } else { + flip = true; + this->get_component<BoxCollider>().active = false; + this->get_components<Sprite>()[0].get().active = false; + this->get_component<CircleCollider>().active = true; + this->get_components<Sprite>()[1].get().active = true; + } + + //add collider switch + break; + } + default: + break; + } + return false; + } + + void init() { + Log::logf("init"); + subscribe<CollisionEvent>( + [this](const CollisionEvent & ev) -> bool { return this->oncollision(ev); }); + subscribe<KeyPressEvent>( + [this](const KeyPressEvent & ev) -> bool { return this->keypressed(ev); }); + } + void update() { + // Retrieve component from the same GameObject this script is on + } +}; + +class ConcreteScene1 : public Scene { +public: + using Scene::Scene; + + void load_scene() { + + Color color(0, 0, 0, 255); + + float screen_size_width = 320; + float screen_size_height = 240; + float world_collider = 1000; + //define playable world + GameObject world = new_object( + "Name", "Tag", vec2{screen_size_width / 2, screen_size_height / 2}, 0, 1); + world.add_component<Rigidbody>(Rigidbody::Data{ + .mass = 0, + .gravity_scale = 0, + .body_type = Rigidbody::BodyType::STATIC, + .offset = {0, 0}, + }); + world.add_component<BoxCollider>( + vec2{world_collider, world_collider}, + vec2{0, 0 - (screen_size_height / 2 + world_collider / 2)}); // Top + world.add_component<BoxCollider>( + vec2{world_collider, world_collider}, + vec2{0, screen_size_height / 2 + world_collider / 2}); // Bottom + world.add_component<BoxCollider>( + vec2{world_collider, world_collider}, + vec2{0 - (screen_size_width / 2 + world_collider / 2), 0}); // Left + world.add_component<BoxCollider>( + vec2{world_collider, world_collider}, + vec2{screen_size_width / 2 + world_collider / 2, 0}); // right + world.add_component<Camera>( + ivec2{static_cast<int>(screen_size_width), static_cast<int>(screen_size_height)}, + vec2{screen_size_width, screen_size_height}, + Camera::Data{ + .bg_color = Color::WHITE, + .zoom = 1, + }); + + GameObject game_object1 = new_object( + "Name", "Tag", vec2{screen_size_width / 2, screen_size_height / 2}, 0, 1); + game_object1.add_component<Rigidbody>(Rigidbody::Data{ + .mass = 1, + .gravity_scale = 1, + .body_type = Rigidbody::BodyType::DYNAMIC, + .linear_velocity = {0, 1}, + .constraints = {0, 0, 0}, + .elastisity_coefficient = 0, + .offset = {0, 0}, + }); + // add box with boxcollider + game_object1.add_component<BoxCollider>(vec2{20, 20}); + game_object1.add_component<BehaviorScript>().set_script<MyScript1>(); + + Asset img1{"asset/texture/square.png"}; + game_object1.add_component<Sprite>(img1, Sprite::Data{ + .size = {20, 20}, + }); + + //add circle with cirlcecollider deactiveated + game_object1.add_component<CircleCollider>(10).active = false; + Asset img2{"asset/texture/circle.png"}; + game_object1 + .add_component<Sprite>(img2, + Sprite::Data{ + .size = {20, 20}, + }) + .active + = false; + + GameObject game_object2 = new_object( + "Name", "Tag", vec2{screen_size_width / 2, screen_size_height / 2}, 0, 1); + game_object2.add_component<Rigidbody>(Rigidbody::Data{ + .mass = 1, + .gravity_scale = 0, + .body_type = Rigidbody::BodyType::STATIC, + .linear_velocity = {0, 0}, + .constraints = {0, 0, 0}, + .elastisity_coefficient = 1, + .offset = {0, 0}, + }); + // add box with boxcollider + game_object2.add_component<BoxCollider>(vec2{20, 20}); + game_object2.add_component<BehaviorScript>().set_script<MyScript2>(); + + game_object2.add_component<Sprite>(img1, Sprite::Data{ + .size = {20, 20}, + }); + + //add circle with cirlcecollider deactiveated + game_object2.add_component<CircleCollider>(10).active = false; + + game_object2 + .add_component<Sprite>(img2, + Sprite::Data{ + .size = {20, 20}, + }) + .active + = false; + Asset img5{"asset/texture/square.png"}; + + GameObject particle = new_object( + "Name", "Tag", vec2{screen_size_width / 2, screen_size_height / 2}, 0, 1); + auto & particle_image = particle.add_component<Sprite>(img5, Sprite::Data{ + .size = {5, 5}, + }); + auto & test + = particle.add_component<ParticleEmitter>(particle_image, ParticleEmitter::Data{ + .offset = {0, 0}, + .max_particles = 256, + .emission_rate = 1, + .min_speed = 10, + .max_speed = 20, + .min_angle = -20, + .max_angle = 20, + .begin_lifespan = 0, + .end_lifespan = 5, + }); + } + + string get_name() const { return "scene1"; } +}; + +int main(int argc, char * argv[]) { + + LoopManager gameloop; + gameloop.add_scene<ConcreteScene1>(); + gameloop.start(); + return 0; +} diff --git a/src/example/gameloop.cpp b/src/example/gameloop.cpp deleted file mode 100644 index a676f20..0000000 --- a/src/example/gameloop.cpp +++ /dev/null @@ -1,7 +0,0 @@ -#include "crepe/api/LoopManager.h" -using namespace crepe; -int main() { - LoopManager gameloop; - gameloop.start(); - return 1; -} diff --git a/src/example/loadfont.cpp b/src/example/loadfont.cpp new file mode 100644 index 0000000..e459332 --- /dev/null +++ b/src/example/loadfont.cpp @@ -0,0 +1,49 @@ +#include <SDL2/SDL_ttf.h> +#include <crepe/api/Asset.h> +#include <crepe/api/Text.h> +#include <crepe/facade/Font.h> +#include <crepe/facade/FontFacade.h> +#include <crepe/facade/SDLContext.h> +#include <crepe/manager/Mediator.h> +#include <crepe/manager/ResourceManager.h> +#include <exception> +#include <iostream> +#include <memory> +#include <optional> +using namespace crepe; +int main() { + + // SDLFontContext font_facade; + Mediator mediator; + FontFacade font_facade{}; + SDLContext sdl_context{mediator}; + // ComponentManager component_manager{mediator}; + ResourceManager resource_manager{mediator}; + try { + // Correct way to create a unique pointer for Text + std::unique_ptr<Text> label = std::make_unique<Text>( + 1, vec2(100, 100), vec2(0, 0), "OpenSymbol", Text::Data{}, "test text"); + // std::cout << "Path: " << label->font.get_path() << std::endl; + Asset asset1 = font_facade.get_font_asset("OpenSymbol"); + std::cout << asset1.get_path() << std::endl; + std::unique_ptr<Text> label2 = std::make_unique<Text>( + 1, vec2(100, 100), vec2(0, 0), "fsaafdafsdafsdafsdasfdds", Text::Data{}); + Asset asset = Asset("test test"); + label->font.emplace(asset); + std::cout << label->font.value().get_path() << std::endl; + // label2->font = std::make_optional(asset); + // std::cout << "Path: " << label2->font.get_path() << std::endl; + ResourceManager & resource_mgr = mediator.resource_manager; + const Font & res = resource_manager.get<Font>(label->font.value()); + // TTF_Font * test_font = res.get_font(); + // if (test_font == NULL) { + // std::cout << "error with font" << std::endl; + // } else { + // std::cout << "correct font retrieved" << std::endl; + // } + } catch (const std::exception & e) { + std::cout << "Standard exception thrown: " << e.what() << std::endl; + } + + return 0; +} diff --git a/src/example/rendering_particle.cpp b/src/example/rendering_particle.cpp index 4571afb..add43f4 100644 --- a/src/example/rendering_particle.cpp +++ b/src/example/rendering_particle.cpp @@ -1,71 +1,73 @@ -#include "api/Camera.h" -#include "system/ParticleSystem.h" -#include <SDL2/SDL_timer.h> -#include <crepe/ComponentManager.h> - +#include "api/Asset.h" #include <crepe/Component.h> +#include <crepe/api/Animator.h> +#include <crepe/api/Button.h> +#include <crepe/api/Camera.h> #include <crepe/api/Color.h> #include <crepe/api/GameObject.h> +#include <crepe/api/LoopManager.hpp> #include <crepe/api/ParticleEmitter.h> #include <crepe/api/Rigidbody.h> #include <crepe/api/Sprite.h> -#include <crepe/api/Texture.h> #include <crepe/api/Transform.h> -#include <crepe/api/Vector2.h> -#include <crepe/system/RenderSystem.h> - -#include <chrono> +#include <crepe/manager/ComponentManager.h> +#include <crepe/manager/Mediator.h> +#include <crepe/types.h> #include <iostream> -#include <memory> using namespace crepe; using namespace std; -int main(int argc, char * argv[]) { - ComponentManager mgr; - GameObject game_object = mgr.new_object("", "", Vector2{100, 100}, 0, 0.1); - RenderSystem sys{mgr}; - ParticleSystem psys{mgr}; +class TestScene : public Scene { +public: + void load_scene() { + + cout << "TestScene" << endl; + Mediator & mediator = this->mediator; + ComponentManager & mgr = mediator.component_manager; + GameObject game_object = mgr.new_object("", "", vec2{0, 0}, 0, 1); - Color color(255, 255, 255, 255); + Color color(255, 255, 255, 255); - Sprite & test_sprite = game_object.add_component<Sprite>( - make_shared<Texture>("../asset/texture/img.png"), color, FlipSettings{false, false}); - test_sprite.order_in_layer = 5; + Asset img{"asset/spritesheet/spritesheet_test.png"}; - auto & test = game_object.add_component<ParticleEmitter>(ParticleEmitter::Data{ - .position = {0, 0}, - .max_particles = 10, - .emission_rate = 0.1, - .min_speed = 6, - .max_speed = 20, - .min_angle = -20, - .max_angle = 20, - .begin_lifespan = 0, - .end_lifespan = 60, - .force_over_time = Vector2{0, 0}, - .boundary{ - .width = 1000, - .height = 1000, - .offset = Vector2{0, 0}, - .reset_on_exit = false, - }, - .sprite = test_sprite, - }); - game_object.add_component<Camera>(Color::WHITE); + Sprite & test_sprite = game_object.add_component<Sprite>( + img, Sprite::Data{ + .color = color, + .flip = Sprite::FlipSettings{false, false}, + .sorting_in_layer = 2, + .order_in_layer = 2, + .size = {0, 100}, + .angle_offset = 0, + .position_offset = {0, 0}, + }); - game_object - .add_component<Sprite>(make_shared<Texture>("../asset/texture/img.png"), color, - FlipSettings{false, false}) - .order_in_layer - = 6; + //auto & anim = game_object.add_component<Animator>(test_sprite,ivec2{32, 64}, uvec2{4,1}, Animator::Data{}); + //anim.set_anim(0); - auto start = std::chrono::steady_clock::now(); - while (std::chrono::steady_clock::now() - start < std::chrono::seconds(5)) { - psys.update(); - sys.update(); - SDL_Delay(10); + auto & cam = game_object.add_component<Camera>(ivec2{720, 1280}, vec2{400, 400}, + Camera::Data{ + .bg_color = Color::WHITE, + }); + + function<void()> on_click = [&]() { cout << "button clicked" << std::endl; }; + function<void()> on_enter = [&]() { cout << "enter" << std::endl; }; + function<void()> on_exit = [&]() { cout << "exit" << std::endl; }; + + auto & button + = game_object.add_component<Button>(vec2{200, 200}, vec2{0, 0}, on_click, false); + button.on_mouse_enter = on_enter; + button.on_mouse_exit = on_exit; + button.is_toggle = true; + button.active = true; } + string get_name() const { return "TestScene"; }; +}; + +int main(int argc, char * argv[]) { + LoopManager engine; + engine.add_scene<TestScene>(); + engine.start(); return 0; } diff --git a/src/example/replay.cpp b/src/example/replay.cpp new file mode 100644 index 0000000..82fd478 --- /dev/null +++ b/src/example/replay.cpp @@ -0,0 +1,84 @@ +#include <crepe/api/Config.h> +#include <crepe/api/Engine.h> +#include <crepe/api/Script.h> + +using namespace crepe; +using namespace std; + +class AnimationScript : public Script { + Transform * transform; + float t = 0; + + void init() { transform = &get_component<Transform>(); } + + void update() { + t += 0.05; + transform->position = {sin(t), cos(t)}; + } +}; + +class Timeline : public Script { + unsigned i = 0; + recording_t recording; + + void update() { + switch (i++) { + default: + break; + case 10: + logf("record start"); + replay.record_start(); + break; + case 60: + logf("record end, playing recording"); + this->recording = replay.record_end(); + replay.play(this->recording); + break; + case 61: + logf("done, releasing recording"); + replay.release(this->recording); + break; + case 72: + logf("exit"); + queue_event<ShutDownEvent>(); + break; + }; + } +}; + +class TestScene : public Scene { +public: + using Scene::Scene; + + void load_scene() { + Mediator & mediator = this->mediator; + ComponentManager & mgr = mediator.component_manager; + + GameObject cam = mgr.new_object("cam"); + cam.add_component<Camera>(ivec2{640, 480}, vec2{3, 3}, + Camera::Data{ + .bg_color = Color::WHITE, + }); + + GameObject square = mgr.new_object("square"); + square.add_component<Sprite>(Asset{"asset/texture/square.png"}, Sprite::Data{ + .size = {0.5, 0.5}, + }); + square.add_component<BehaviorScript>().set_script<AnimationScript>(); + + GameObject scapegoat = mgr.new_object(""); + scapegoat.add_component<BehaviorScript>().set_script<Timeline>(); + } + + string get_name() const { return "scene1"; } +}; + +int main(int argc, char * argv[]) { + Config & cfg = Config::get_instance(); + cfg.log.level = Log::Level::DEBUG; + + Engine engine; + + engine.add_scene<TestScene>(); + return engine.main(); +} diff --git a/src/example/savemgr.cpp b/src/example/savemgr.cpp deleted file mode 100644 index 65c4a34..0000000 --- a/src/example/savemgr.cpp +++ /dev/null @@ -1,44 +0,0 @@ -/** \file - * - * Standalone example for usage of the save manager - */ - -#include <cassert> -#include <crepe/api/Config.h> -#include <crepe/api/SaveManager.h> -#include <crepe/util/Log.h> -#include <crepe/util/Proxy.h> - -using namespace crepe; - -// unrelated setup code -int _ = []() { - // make sure all log messages get printed - auto & cfg = Config::get_instance(); - cfg.log.level = Log::Level::TRACE; - - return 0; // satisfy compiler -}(); - -int main() { - const char * key = "mygame.test"; - - SaveManager & mgr = SaveManager::get_instance(); - - dbg_logf("has key = {}", mgr.has(key)); - ValueBroker<int> prop = mgr.get<int>(key, 0); - Proxy<int> val = mgr.get<int>(key, 0); - - dbg_logf("val = {}", mgr.get<int>(key).get()); - prop.set(1); - dbg_logf("val = {}", mgr.get<int>(key).get()); - val = 2; - dbg_logf("val = {}", mgr.get<int>(key).get()); - mgr.set<int>(key, 3); - dbg_logf("val = {}", mgr.get<int>(key).get()); - - dbg_logf("has key = {}", mgr.has(key)); - assert(true == mgr.has(key)); - - return 0; -} diff --git a/src/test/AssetTest.cpp b/src/test/AssetTest.cpp index 8aa7629..93fd6a9 100644 --- a/src/test/AssetTest.cpp +++ b/src/test/AssetTest.cpp @@ -7,17 +7,12 @@ using namespace std; using namespace crepe; using namespace testing; -class AssetTest : public Test { -public: - Config & cfg = Config::get_instance(); - void SetUp() override { this->cfg.asset.root_pattern = ".crepe-root"; } -}; - -TEST_F(AssetTest, Existant) { ASSERT_NO_THROW(Asset{"asset/texture/img.png"}); } +TEST(AssetTest, Existant) { ASSERT_NO_THROW(Asset{"asset/texture/img.png"}); } -TEST_F(AssetTest, Nonexistant) { ASSERT_ANY_THROW(Asset{"asset/nonexistant"}); } +TEST(AssetTest, Nonexistant) { ASSERT_ANY_THROW(Asset{"asset/nonexistant"}); } -TEST_F(AssetTest, Rootless) { +TEST(AssetTest, Rootless) { + Config & cfg = Config::get_instance(); cfg.asset.root_pattern.clear(); string arbitrary = "\\/this is / /../passed through as-is"; diff --git a/src/test/AudioTest.cpp b/src/test/AudioTest.cpp new file mode 100644 index 0000000..415a12e --- /dev/null +++ b/src/test/AudioTest.cpp @@ -0,0 +1,161 @@ +#include <gmock/gmock.h> +#include <gtest/gtest.h> + +#include <crepe/api/AudioSource.h> +#include <crepe/api/GameObject.h> +#include <crepe/manager/ComponentManager.h> +#include <crepe/manager/ResourceManager.h> +#include <crepe/system/AudioSystem.h> + +using namespace std; +using namespace std::chrono_literals; +using namespace crepe; +using namespace testing; + +class AudioTest : public Test { +private: + class TestSoundContext : public SoundContext { + public: + MOCK_METHOD(SoundHandle, play, (Sound & resource), (override)); + MOCK_METHOD(void, stop, (const SoundHandle &), (override)); + MOCK_METHOD(void, set_volume, (const SoundHandle &, float), (override)); + MOCK_METHOD(void, set_loop, (const SoundHandle &, bool), (override)); + }; + + class TestAudioSystem : public AudioSystem { + public: + using AudioSystem::AudioSystem; + StrictMock<TestSoundContext> context; + virtual SoundContext & get_context() { return this->context; } + }; + +private: + Mediator mediator; + ComponentManager component_manager{mediator}; + ResourceManager resource_manager{mediator}; + +public: + TestAudioSystem system{mediator}; + TestSoundContext & context = system.context; + +private: + GameObject entity = component_manager.new_object("name"); + +public: + AudioSource & component = entity.add_component<AudioSource>("mwe/audio/bgm.ogg"); +}; + +TEST_F(AudioTest, Default) { + EXPECT_CALL(context, play(_)).Times(0); + EXPECT_CALL(context, stop(_)).Times(0); + EXPECT_CALL(context, set_volume(_, _)).Times(0); + EXPECT_CALL(context, set_loop(_, _)).Times(0); + system.fixed_update(); +} + +TEST_F(AudioTest, Play) { + system.fixed_update(); + + { + InSequence seq; + + EXPECT_CALL(context, play(_)).Times(0); + component.play(); + } + + { + InSequence seq; + + EXPECT_CALL(context, play(_)).Times(1); + system.fixed_update(); + } +} + +TEST_F(AudioTest, Stop) { + system.fixed_update(); + + { + InSequence seq; + + EXPECT_CALL(context, stop(_)).Times(0); + component.stop(); + } + + { + InSequence seq; + + EXPECT_CALL(context, stop(_)).Times(1); + system.fixed_update(); + } +} + +TEST_F(AudioTest, Volume) { + system.fixed_update(); + + { + InSequence seq; + + EXPECT_CALL(context, set_volume(_, _)).Times(0); + component.volume += 0.2; + } + + { + InSequence seq; + + EXPECT_CALL(context, set_volume(_, component.volume)).Times(1); + system.fixed_update(); + } +} + +TEST_F(AudioTest, Looping) { + system.fixed_update(); + + { + InSequence seq; + + EXPECT_CALL(context, set_loop(_, _)).Times(0); + component.loop = !component.loop; + } + + { + InSequence seq; + + EXPECT_CALL(context, set_loop(_, component.loop)).Times(1); + system.fixed_update(); + } +} + +TEST_F(AudioTest, StopOnDeactivate) { + system.fixed_update(); + + { + InSequence seq; + + EXPECT_CALL(context, stop(_)).Times(1); + component.active = false; + system.fixed_update(); + } +} + +TEST_F(AudioTest, PlayOnActive) { + component.active = false; + component.play_on_awake = true; + system.fixed_update(); + + { + InSequence seq; + + EXPECT_CALL(context, play(_)).Times(1); + component.active = true; + system.fixed_update(); + } +} + +TEST_F(AudioTest, PlayImmediately) { + component.play_on_awake = false; + component.play(); + + EXPECT_CALL(context, play(_)).Times(1); + + system.fixed_update(); +} diff --git a/src/test/CMakeLists.txt b/src/test/CMakeLists.txt index 8cb4232..ea92d96 100644 --- a/src/test/CMakeLists.txt +++ b/src/test/CMakeLists.txt @@ -1,9 +1,12 @@ target_sources(test_main PUBLIC main.cpp + CollisionTest.cpp PhysicsTest.cpp ScriptTest.cpp ParticleTest.cpp + AudioTest.cpp AssetTest.cpp + ResourceManagerTest.cpp OptionalRefTest.cpp RenderSystemTest.cpp EventTest.cpp @@ -11,5 +14,15 @@ target_sources(test_main PUBLIC SceneManagerTest.cpp ValueBrokerTest.cpp DBTest.cpp + Vector2Test.cpp + # LoopManagerTest.cpp + LoopTimerTest.cpp + InputTest.cpp + ScriptEventTest.cpp + ScriptSceneTest.cpp + Profiling.cpp + SaveManagerTest.cpp + ScriptSaveManagerTest.cpp + ScriptECSTest.cpp + ReplayManagerTest.cpp ) - diff --git a/src/test/CollisionTest.cpp b/src/test/CollisionTest.cpp new file mode 100644 index 0000000..73a964a --- /dev/null +++ b/src/test/CollisionTest.cpp @@ -0,0 +1,392 @@ +#include "api/BoxCollider.h" +#include "manager/Mediator.h" +#include <cmath> +#include <cstddef> +#include <gtest/gtest.h> + +#define private public +#define protected public + +#include <crepe/api/Event.h> +#include <crepe/api/GameObject.h> +#include <crepe/api/Rigidbody.h> +#include <crepe/api/Script.h> +#include <crepe/api/Transform.h> +#include <crepe/manager/ComponentManager.h> +#include <crepe/manager/EventManager.h> +#include <crepe/manager/Mediator.h> +#include <crepe/system/CollisionSystem.h> +#include <crepe/system/ScriptSystem.h> +#include <crepe/types.h> +#include <crepe/util/Log.h> + +using namespace std; +using namespace std::chrono_literals; +using namespace crepe; +using namespace testing; + +class CollisionHandler : public Script { +public: + int box_id; + function<void(const CollisionEvent & ev)> test_fn = [](const CollisionEvent & ev) {}; + + CollisionHandler(int box_id) { this->box_id = box_id; } + + bool on_collision(const CollisionEvent & ev) { + //Log::logf("Box {} script on_collision()", box_id); + test_fn(ev); + return true; + } + + void init() { + subscribe<CollisionEvent>( + [this](const CollisionEvent & ev) -> bool { return this->on_collision(ev); }); + } + void update() { + // Retrieve component from the same GameObject this script is on + } +}; + +class CollisionTest : public Test { +public: + Mediator m; + EventManager event_mgr{m}; + ComponentManager mgr{m}; + CollisionSystem collision_sys{m}; + ScriptSystem script_sys{m}; + LoopTimerManager loop_timer{m}; + + GameObject world = mgr.new_object("world", "", {50, 50}); + GameObject game_object1 = mgr.new_object("object1", "", {50, 50}); + GameObject game_object2 = mgr.new_object("object2", "", {50, 30}); + + CollisionHandler * script_object1_ref = nullptr; + CollisionHandler * script_object2_ref = nullptr; + + void SetUp() override { + world.add_component<Rigidbody>(Rigidbody::Data{ + // TODO: remove unrelated properties: + .body_type = Rigidbody::BodyType::STATIC, + .offset = {0, 0}, + }); + // Create a box with an inner size of 10x10 units + world.add_component<BoxCollider>(vec2{100, 100}, vec2{0, -100}); // Top + world.add_component<BoxCollider>(vec2{100, 100}, vec2{0, 100}); // Bottom + world.add_component<BoxCollider>(vec2{100, 100}, vec2{-100, 0}); // Left + world.add_component<BoxCollider>(vec2{100, 100}, vec2{100, 0}); // right + + game_object1.add_component<Rigidbody>(Rigidbody::Data{ + .mass = 1, + .gravity_scale = 0.01, + .body_type = Rigidbody::BodyType::DYNAMIC, + .linear_velocity = {0, 0}, + .constraints = {0, 0, 0}, + .elastisity_coefficient = 1, + .offset = {0, 0}, + .collision_layers = {0}, + }); + game_object1.add_component<BoxCollider>(vec2{10, 10}, vec2{0, 0}); + BehaviorScript & script_object1 + = game_object1.add_component<BehaviorScript>().set_script<CollisionHandler>(1); + script_object1_ref = static_cast<CollisionHandler *>(script_object1.script.get()); + ASSERT_NE(script_object1_ref, nullptr); + + game_object2.add_component<Rigidbody>(Rigidbody::Data{ + .mass = 1, + .gravity_scale = 0.01, + .body_type = Rigidbody::BodyType::DYNAMIC, + .linear_velocity = {0, 0}, + .constraints = {0, 0, 0}, + .elastisity_coefficient = 1, + .offset = {0, 0}, + .collision_layers = {0}, + }); + game_object2.add_component<BoxCollider>(vec2{10, 10}, vec2{0, 0}); + BehaviorScript & script_object2 + = game_object2.add_component<BehaviorScript>().set_script<CollisionHandler>(2); + script_object2_ref = static_cast<CollisionHandler *>(script_object2.script.get()); + ASSERT_NE(script_object2_ref, nullptr); + + // Ensure Script::init() is called on all BehaviorScript instances + script_sys.fixed_update(); + } +}; + +TEST_F(CollisionTest, collision_example) { + bool collision_happend = false; + script_object1_ref->test_fn = [&collision_happend](const CollisionEvent & ev) { + collision_happend = true; + EXPECT_EQ(ev.info.this_collider.game_object_id, 1); + }; + script_object2_ref->test_fn = [&collision_happend](const CollisionEvent & ev) { + collision_happend = true; + EXPECT_EQ(ev.info.this_collider.game_object_id, 2); + }; + EXPECT_FALSE(collision_happend); + collision_sys.fixed_update(); + EXPECT_FALSE(collision_happend); +} + +TEST_F(CollisionTest, collision_box_box_dynamic_both_no_velocity) { + bool collision_happend = false; + script_object1_ref->test_fn = [&collision_happend](const CollisionEvent & ev) { + collision_happend = true; + EXPECT_EQ(ev.info.this_collider.game_object_id, 1); + EXPECT_EQ(ev.info.resolution.x, 10); + EXPECT_EQ(ev.info.resolution.y, 10); + EXPECT_EQ(ev.info.resolution_direction, crepe::CollisionSystem::Direction::BOTH); + }; + script_object2_ref->test_fn = [&collision_happend](const CollisionEvent & ev) { + collision_happend = true; + EXPECT_EQ(ev.info.this_collider.game_object_id, 2); + EXPECT_EQ(ev.info.resolution.x, 10); + EXPECT_EQ(ev.info.resolution.y, 10); + EXPECT_EQ(ev.info.resolution_direction, crepe::CollisionSystem::Direction::BOTH); + }; + EXPECT_FALSE(collision_happend); + Transform & tf = this->mgr.get_components_by_id<Transform>(1).front().get(); + tf.position = {50, 30}; + collision_sys.fixed_update(); + EXPECT_TRUE(collision_happend); +} + +TEST_F(CollisionTest, collision_box_box_dynamic_x_direction_no_velocity) { + bool collision_happend = false; + script_object1_ref->test_fn = [&collision_happend](const CollisionEvent & ev) { + collision_happend = true; + EXPECT_EQ(ev.info.this_collider.game_object_id, 1); + EXPECT_EQ(ev.info.resolution.x, -5); + EXPECT_EQ(ev.info.resolution.y, 0); + EXPECT_EQ(ev.info.resolution_direction, + crepe::CollisionSystem::Direction::X_DIRECTION); + }; + script_object2_ref->test_fn = [&collision_happend](const CollisionEvent & ev) { + collision_happend = true; + EXPECT_EQ(ev.info.this_collider.game_object_id, 2); + EXPECT_EQ(ev.info.resolution.x, 5); + EXPECT_EQ(ev.info.resolution.y, 0); + EXPECT_EQ(ev.info.resolution_direction, + crepe::CollisionSystem::Direction::X_DIRECTION); + }; + EXPECT_FALSE(collision_happend); + Transform & tf = this->mgr.get_components_by_id<Transform>(1).front().get(); + tf.position = {45, 30}; + collision_sys.fixed_update(); + EXPECT_TRUE(collision_happend); +} + +TEST_F(CollisionTest, collision_box_box_dynamic_y_direction_no_velocity) { + bool collision_happend = false; + script_object1_ref->test_fn = [&collision_happend](const CollisionEvent & ev) { + collision_happend = true; + EXPECT_EQ(ev.info.this_collider.game_object_id, 1); + EXPECT_EQ(ev.info.resolution.x, 0); + EXPECT_EQ(ev.info.resolution.y, -5); + EXPECT_EQ(ev.info.resolution_direction, + crepe::CollisionSystem::Direction::Y_DIRECTION); + }; + script_object2_ref->test_fn = [&collision_happend](const CollisionEvent & ev) { + collision_happend = true; + EXPECT_EQ(ev.info.this_collider.game_object_id, 2); + EXPECT_EQ(ev.info.resolution.x, 0); + EXPECT_EQ(ev.info.resolution.y, 5); + EXPECT_EQ(ev.info.resolution_direction, + crepe::CollisionSystem::Direction::Y_DIRECTION); + }; + EXPECT_FALSE(collision_happend); + Transform & tf = this->mgr.get_components_by_id<Transform>(1).front().get(); + tf.position = {50, 25}; + collision_sys.fixed_update(); + EXPECT_TRUE(collision_happend); +} + +TEST_F(CollisionTest, collision_box_box_dynamic_both) { + bool collision_happend = false; + script_object1_ref->test_fn = [&collision_happend](const CollisionEvent & ev) { + collision_happend = true; + EXPECT_EQ(ev.info.this_collider.game_object_id, 1); + EXPECT_EQ(ev.info.resolution.x, 10); + EXPECT_EQ(ev.info.resolution.y, 10); + EXPECT_EQ(ev.info.resolution_direction, crepe::CollisionSystem::Direction::BOTH); + }; + script_object2_ref->test_fn = [&collision_happend](const CollisionEvent & ev) { + collision_happend = true; + EXPECT_EQ(ev.info.this_collider.game_object_id, 2); + EXPECT_EQ(ev.info.resolution.x, 10); + EXPECT_EQ(ev.info.resolution.y, 10); + EXPECT_EQ(ev.info.resolution_direction, crepe::CollisionSystem::Direction::BOTH); + }; + EXPECT_FALSE(collision_happend); + Transform & tf = this->mgr.get_components_by_id<Transform>(1).front().get(); + tf.position = {50, 30}; + Rigidbody & rg1 = this->mgr.get_components_by_id<Rigidbody>(1).front().get(); + rg1.data.linear_velocity = {10, 10}; + Rigidbody & rg2 = this->mgr.get_components_by_id<Rigidbody>(2).front().get(); + rg2.data.linear_velocity = {10, 10}; + collision_sys.fixed_update(); + EXPECT_TRUE(collision_happend); +} + +TEST_F(CollisionTest, collision_box_box_dynamic_x_direction) { + bool collision_happend = false; + script_object1_ref->test_fn = [&collision_happend](const CollisionEvent & ev) { + collision_happend = true; + EXPECT_EQ(ev.info.this_collider.game_object_id, 1); + EXPECT_EQ(ev.info.resolution.x, -5); + EXPECT_EQ(ev.info.resolution.y, 5); + EXPECT_EQ(ev.info.resolution_direction, + crepe::CollisionSystem::Direction::X_DIRECTION); + }; + script_object2_ref->test_fn = [&collision_happend](const CollisionEvent & ev) { + collision_happend = true; + EXPECT_EQ(ev.info.this_collider.game_object_id, 2); + EXPECT_EQ(ev.info.resolution.x, 5); + EXPECT_EQ(ev.info.resolution.y, -5); + EXPECT_EQ(ev.info.resolution_direction, + crepe::CollisionSystem::Direction::X_DIRECTION); + }; + EXPECT_FALSE(collision_happend); + Transform & tf = this->mgr.get_components_by_id<Transform>(1).front().get(); + tf.position = {45, 30}; + Rigidbody & rg1 = this->mgr.get_components_by_id<Rigidbody>(1).front().get(); + rg1.data.linear_velocity = {10, 10}; + Rigidbody & rg2 = this->mgr.get_components_by_id<Rigidbody>(2).front().get(); + rg2.data.linear_velocity = {10, 10}; + collision_sys.fixed_update(); + EXPECT_TRUE(collision_happend); +} + +TEST_F(CollisionTest, collision_box_box_dynamic_y_direction) { + bool collision_happend = false; + script_object1_ref->test_fn = [&collision_happend](const CollisionEvent & ev) { + collision_happend = true; + EXPECT_EQ(ev.info.this_collider.game_object_id, 1); + EXPECT_EQ(ev.info.resolution.x, 5); + EXPECT_EQ(ev.info.resolution.y, -5); + EXPECT_EQ(ev.info.resolution_direction, + crepe::CollisionSystem::Direction::Y_DIRECTION); + }; + script_object2_ref->test_fn = [&collision_happend](const CollisionEvent & ev) { + collision_happend = true; + EXPECT_EQ(ev.info.this_collider.game_object_id, 2); + EXPECT_EQ(ev.info.resolution.x, -5); + EXPECT_EQ(ev.info.resolution.y, 5); + EXPECT_EQ(ev.info.resolution_direction, + crepe::CollisionSystem::Direction::Y_DIRECTION); + }; + EXPECT_FALSE(collision_happend); + Transform & tf = this->mgr.get_components_by_id<Transform>(1).front().get(); + tf.position = {50, 25}; + Rigidbody & rg1 = this->mgr.get_components_by_id<Rigidbody>(1).front().get(); + rg1.data.linear_velocity = {10, 10}; + Rigidbody & rg2 = this->mgr.get_components_by_id<Rigidbody>(2).front().get(); + rg2.data.linear_velocity = {10, 10}; + collision_sys.fixed_update(); + EXPECT_TRUE(collision_happend); +} + +TEST_F(CollisionTest, collision_box_box_static_both) { + bool collision_happend = false; + script_object1_ref->test_fn = [&collision_happend](const CollisionEvent & ev) { + collision_happend = true; + EXPECT_EQ(ev.info.this_collider.game_object_id, 1); + EXPECT_EQ(ev.info.resolution.x, 10); + EXPECT_EQ(ev.info.resolution.y, 10); + EXPECT_EQ(ev.info.resolution_direction, crepe::CollisionSystem::Direction::BOTH); + }; + script_object2_ref->test_fn = [&collision_happend](const CollisionEvent & ev) { + // is static should not be called + FAIL(); + }; + EXPECT_FALSE(collision_happend); + Transform & tf = this->mgr.get_components_by_id<Transform>(1).front().get(); + tf.position = {50, 30}; + Rigidbody & rg2 = this->mgr.get_components_by_id<Rigidbody>(2).front().get(); + rg2.data.body_type = crepe::Rigidbody::BodyType::STATIC; + collision_sys.fixed_update(); + EXPECT_TRUE(collision_happend); +} + +TEST_F(CollisionTest, collision_box_box_static_x_direction) { + bool collision_happend = false; + script_object1_ref->test_fn = [&collision_happend](const CollisionEvent & ev) { + collision_happend = true; + EXPECT_EQ(ev.info.this_collider.game_object_id, 1); + EXPECT_EQ(ev.info.resolution.x, -5); + EXPECT_EQ(ev.info.resolution.y, 5); + EXPECT_EQ(ev.info.resolution_direction, + crepe::CollisionSystem::Direction::X_DIRECTION); + }; + script_object2_ref->test_fn = [&collision_happend](const CollisionEvent & ev) { + // is static should not be called + FAIL(); + }; + EXPECT_FALSE(collision_happend); + Transform & tf = this->mgr.get_components_by_id<Transform>(1).front().get(); + tf.position = {45, 30}; + Rigidbody & rg1 = this->mgr.get_components_by_id<Rigidbody>(1).front().get(); + rg1.data.linear_velocity = {10, 10}; + Rigidbody & rg2 = this->mgr.get_components_by_id<Rigidbody>(2).front().get(); + rg2.data.body_type = crepe::Rigidbody::BodyType::STATIC; + collision_sys.fixed_update(); + EXPECT_TRUE(collision_happend); +} + +TEST_F(CollisionTest, collision_box_box_static_y_direction) { + bool collision_happend = false; + script_object1_ref->test_fn = [&collision_happend](const CollisionEvent & ev) { + collision_happend = true; + EXPECT_EQ(ev.info.this_collider.game_object_id, 1); + EXPECT_EQ(ev.info.resolution.x, 5); + EXPECT_EQ(ev.info.resolution.y, -5); + EXPECT_EQ(ev.info.resolution_direction, + crepe::CollisionSystem::Direction::Y_DIRECTION); + }; + script_object2_ref->test_fn = [&collision_happend](const CollisionEvent & ev) { + // is static should not be called + FAIL(); + }; + EXPECT_FALSE(collision_happend); + Transform & tf = this->mgr.get_components_by_id<Transform>(1).front().get(); + tf.position = {50, 25}; + Rigidbody & rg1 = this->mgr.get_components_by_id<Rigidbody>(1).front().get(); + rg1.data.linear_velocity = {10, 10}; + Rigidbody & rg2 = this->mgr.get_components_by_id<Rigidbody>(2).front().get(); + rg2.data.body_type = crepe::Rigidbody::BodyType::STATIC; + collision_sys.fixed_update(); + EXPECT_TRUE(collision_happend); +} + +TEST_F(CollisionTest, collision_box_box_static_multiple) { //todo check visually + bool collision_happend = false; + float offset_value = 0; + float resolution = 0; + script_object1_ref->test_fn = [&](const CollisionEvent & ev) { + collision_happend = true; + EXPECT_EQ(ev.info.this_collider.game_object_id, 1); + EXPECT_EQ(ev.info.this_collider.offset.x, offset_value); + EXPECT_EQ(ev.info.resolution.x, resolution); + }; + script_object2_ref->test_fn = [&](const CollisionEvent & ev) { + // is static should not be called + FAIL(); + }; + EXPECT_FALSE(collision_happend); + Transform & tf = this->mgr.get_components_by_id<Transform>(1).front().get(); + tf.position = {45, 30}; + Rigidbody & rg1 = this->mgr.get_components_by_id<Rigidbody>(1).front().get(); + rg1.data.linear_velocity = {10, 10}; + Rigidbody & rg2 = this->mgr.get_components_by_id<Rigidbody>(2).front().get(); + rg2.data.body_type = crepe::Rigidbody::BodyType::STATIC; + BoxCollider & bxc = this->mgr.get_components_by_id<BoxCollider>(1).front().get(); + bxc.offset = {5, 0}; + this->game_object1.add_component<BoxCollider>(vec2{-5, 0}, vec2{10, 10}); + offset_value = 5; + resolution = 10; + collision_sys.fixed_update(); + offset_value = -5; + resolution = 10; + tf.position = {55, 30}; + collision_sys.fixed_update(); + EXPECT_TRUE(collision_happend); +} diff --git a/src/test/DBTest.cpp b/src/test/DBTest.cpp index e80814c..7f2c339 100644 --- a/src/test/DBTest.cpp +++ b/src/test/DBTest.cpp @@ -1,6 +1,7 @@ -#include <crepe/facade/DB.h> #include <gtest/gtest.h> +#include <crepe/facade/DB.h> + using namespace std; using namespace crepe; using namespace testing; @@ -26,3 +27,11 @@ TEST_F(DBTest, Has) { db.set("foo", "bar"); EXPECT_EQ(db.has("foo"), true); } + +TEST_F(DBTest, MultipleKeys) { + db.set("foo", "foo"); + db.set("bar", "bar"); + + EXPECT_EQ(db.get("foo"), "foo"); + EXPECT_EQ(db.get("bar"), "bar"); +} diff --git a/src/test/ECSTest.cpp b/src/test/ECSTest.cpp index d5a5826..8f86a91 100644 --- a/src/test/ECSTest.cpp +++ b/src/test/ECSTest.cpp @@ -1,23 +1,30 @@ #include <gtest/gtest.h> #define protected public +#define private public -#include <crepe/ComponentManager.h> #include <crepe/api/GameObject.h> #include <crepe/api/Metadata.h> #include <crepe/api/Transform.h> #include <crepe/api/Vector2.h> +#include <crepe/manager/ComponentManager.h> using namespace std; using namespace crepe; class ECSTest : public ::testing::Test { + Mediator m; + public: - ComponentManager mgr{}; + ComponentManager mgr{m}; + + class TestComponent : public Component { + using Component::Component; + }; }; TEST_F(ECSTest, createGameObject) { - GameObject obj = mgr.new_object("body", "person", Vector2{0, 0}, 0, 1); + GameObject obj = mgr.new_object("body", "person", vec2{0, 0}, 0, 1); vector<reference_wrapper<Metadata>> metadata = mgr.get_components_by_type<Metadata>(); vector<reference_wrapper<Transform>> transform = mgr.get_components_by_type<Transform>(); @@ -37,8 +44,8 @@ TEST_F(ECSTest, createGameObject) { } TEST_F(ECSTest, deleteAllGameObjects) { - GameObject obj0 = mgr.new_object("body", "person", Vector2{0, 0}, 0, 1); - GameObject obj1 = mgr.new_object("body", "person", Vector2{0, 0}, 0, 1); + GameObject obj0 = mgr.new_object("body", "person", vec2{0, 0}, 0, 1); + GameObject obj1 = mgr.new_object("body", "person", vec2{0, 0}, 0, 1); mgr.delete_all_components(); @@ -48,7 +55,7 @@ TEST_F(ECSTest, deleteAllGameObjects) { EXPECT_EQ(metadata.size(), 0); EXPECT_EQ(transform.size(), 0); - GameObject obj2 = mgr.new_object("body2", "person2", Vector2{1, 0}, 5, 1); + GameObject obj2 = mgr.new_object("body2", "person2", vec2{1, 0}, 5, 1); metadata = mgr.get_components_by_type<Metadata>(); transform = mgr.get_components_by_type<Transform>(); @@ -70,8 +77,8 @@ TEST_F(ECSTest, deleteAllGameObjects) { } TEST_F(ECSTest, deleteGameObject) { - GameObject obj0 = mgr.new_object("body", "person", Vector2{0, 0}, 0, 1); - GameObject obj1 = mgr.new_object("body", "person", Vector2{0, 0}, 0, 1); + GameObject obj0 = mgr.new_object("body", "person", vec2{0, 0}, 0, 1); + GameObject obj1 = mgr.new_object("body", "person", vec2{0, 0}, 0, 1); mgr.delete_all_components_of_id(0); @@ -96,7 +103,7 @@ TEST_F(ECSTest, deleteGameObject) { TEST_F(ECSTest, manyGameObjects) { for (int i = 0; i < 5000; i++) { - GameObject obj = mgr.new_object("body", "person", Vector2{0, 0}, 0, i); + GameObject obj = mgr.new_object("body", "person", vec2{0, 0}, 0, i); } vector<reference_wrapper<Metadata>> metadata = mgr.get_components_by_type<Metadata>(); @@ -128,7 +135,7 @@ TEST_F(ECSTest, manyGameObjects) { for (int i = 0; i < 10000 - 5000; i++) { string tag = "person" + to_string(i); - GameObject obj = mgr.new_object("body", tag, Vector2{0, 0}, i, 0); + GameObject obj = mgr.new_object("body", tag, vec2{0, 0}, i, 0); } metadata = mgr.get_components_by_type<Metadata>(); @@ -136,11 +143,58 @@ TEST_F(ECSTest, manyGameObjects) { EXPECT_EQ(metadata.size(), 10000 - 5000); EXPECT_EQ(transform.size(), 10000); + + for (int i = 0; i < 10000 - 5000; i++) { + EXPECT_EQ(metadata[i].get().game_object_id, i + 5000); + EXPECT_EQ(metadata[i].get().name, "body"); + EXPECT_EQ(metadata[i].get().tag, "person" + to_string(i)); + EXPECT_EQ(metadata[i].get().parent, -1); + EXPECT_EQ(metadata[i].get().children.size(), 0); + + EXPECT_EQ(transform[i].get().game_object_id, i); + EXPECT_EQ(transform[i].get().position.x, 0); + EXPECT_EQ(transform[i].get().position.y, 0); + EXPECT_EQ(transform[i].get().rotation, 0); + EXPECT_EQ(transform[i].get().scale, i); + } + + mgr.delete_all_components(); + + metadata = mgr.get_components_by_type<Metadata>(); + transform = mgr.get_components_by_type<Transform>(); + + EXPECT_EQ(metadata.size(), 0); + EXPECT_EQ(transform.size(), 0); + + for (int i = 0; i < 10000; i++) { + string name = "body" + to_string(i); + GameObject obj = mgr.new_object(name, "person", vec2{0, 0}, 0, 0); + } + + metadata = mgr.get_components_by_type<Metadata>(); + transform = mgr.get_components_by_type<Transform>(); + + EXPECT_EQ(metadata.size(), 10000); + EXPECT_EQ(transform.size(), 10000); + + for (int i = 0; i < 10000; i++) { + EXPECT_EQ(metadata[i].get().game_object_id, i); + EXPECT_EQ(metadata[i].get().name, "body" + to_string(i)); + EXPECT_EQ(metadata[i].get().tag, "person"); + EXPECT_EQ(metadata[i].get().parent, -1); + EXPECT_EQ(metadata[i].get().children.size(), 0); + + EXPECT_EQ(transform[i].get().game_object_id, i); + EXPECT_EQ(transform[i].get().position.x, 0); + EXPECT_EQ(transform[i].get().position.y, 0); + EXPECT_EQ(transform[i].get().rotation, 0); + EXPECT_EQ(transform[i].get().scale, 0); + } } TEST_F(ECSTest, getComponentsByID) { - GameObject obj0 = mgr.new_object("body", "person", Vector2{0, 0}, 0, 1); - GameObject obj1 = mgr.new_object("body", "person", Vector2{0, 0}, 0, 1); + GameObject obj0 = mgr.new_object("body", "person", vec2{0, 0}, 0, 1); + GameObject obj1 = mgr.new_object("body", "person", vec2{0, 0}, 0, 1); vector<reference_wrapper<Metadata>> metadata = mgr.get_components_by_id<Metadata>(0); vector<reference_wrapper<Transform>> transform = mgr.get_components_by_id<Transform>(1); @@ -163,15 +217,15 @@ TEST_F(ECSTest, getComponentsByID) { TEST_F(ECSTest, tooMuchComponents) { try { - GameObject obj0 = mgr.new_object("body", "person", Vector2{0, 0}, 0, 1); - obj0.add_component<Transform>(Vector2{10, 10}, 0, 1); + GameObject obj0 = mgr.new_object("body", "person", vec2{0, 0}, 0, 1); + obj0.add_component<Transform>(vec2{10, 10}, 0, 1); } catch (const exception & e) { EXPECT_EQ(e.what(), string("Exceeded maximum number of instances for this component type")); } try { - GameObject obj1 = mgr.new_object("body", "person", Vector2{0, 0}, 0, 1); + GameObject obj1 = mgr.new_object("body", "person", vec2{0, 0}, 0, 1); obj1.add_component<Metadata>("body", "person"); } catch (const exception & e) { EXPECT_EQ(e.what(), @@ -187,11 +241,11 @@ TEST_F(ECSTest, tooMuchComponents) { TEST_F(ECSTest, partentChild) { { - GameObject body = mgr.new_object("body", "person", Vector2{0, 0}, 0, 1); - GameObject right_leg = mgr.new_object("rightLeg", "person", Vector2{1, 1}, 0, 1); - GameObject left_leg = mgr.new_object("leftLeg", "person", Vector2{1, 1}, 0, 1); - GameObject right_foot = mgr.new_object("rightFoot", "person", Vector2{2, 2}, 0, 1); - GameObject left_foot = mgr.new_object("leftFoot", "person", Vector2{2, 2}, 0, 1); + GameObject body = mgr.new_object("body", "person", vec2{0, 0}, 0, 1); + GameObject right_leg = mgr.new_object("rightLeg", "person", vec2{1, 1}, 0, 1); + GameObject left_leg = mgr.new_object("leftLeg", "person", vec2{1, 1}, 0, 1); + GameObject right_foot = mgr.new_object("rightFoot", "person", vec2{2, 2}, 0, 1); + GameObject left_foot = mgr.new_object("leftFoot", "person", vec2{2, 2}, 0, 1); // Set the parent of each GameObject right_foot.set_parent(right_leg); @@ -234,3 +288,195 @@ TEST_F(ECSTest, partentChild) { EXPECT_EQ(metadata[1].get().children[0], 3); EXPECT_EQ(metadata[2].get().children[0], 4); } + +TEST_F(ECSTest, persistent) { + GameObject obj0 = mgr.new_object("obj0", "obj0", vec2{0, 0}, 0, 1); + GameObject obj1 = mgr.new_object("obj1", "obj1", vec2{0, 0}, 0, 1); + obj1.set_persistent(); + GameObject obj2 = mgr.new_object("obj2", "obj2", vec2{0, 0}, 0, 1); + + vector<reference_wrapper<Metadata>> metadata = mgr.get_components_by_type<Metadata>(); + vector<reference_wrapper<Transform>> transform = mgr.get_components_by_type<Transform>(); + + EXPECT_EQ(metadata.size(), 3); + EXPECT_EQ(transform.size(), 3); + + mgr.delete_components_by_id<Metadata>(1); + mgr.delete_components<Metadata>(); + mgr.delete_all_components_of_id(1); + + metadata = mgr.get_components_by_type<Metadata>(); + transform = mgr.get_components_by_type<Transform>(); + + EXPECT_EQ(metadata.size(), 1); + EXPECT_EQ(transform.size(), 3); + + mgr.delete_all_components(); + + metadata = mgr.get_components_by_type<Metadata>(); + transform = mgr.get_components_by_type<Transform>(); + + EXPECT_EQ(metadata.size(), 1); + EXPECT_EQ(transform.size(), 1); + + EXPECT_EQ(metadata[0].get().game_object_id, 1); + EXPECT_EQ(metadata[0].get().name, "obj1"); + EXPECT_EQ(metadata[0].get().tag, "obj1"); + EXPECT_EQ(metadata[0].get().parent, -1); + EXPECT_EQ(metadata[0].get().children.size(), 0); + + EXPECT_EQ(transform[0].get().game_object_id, 1); + EXPECT_EQ(transform[0].get().position.x, 0); + EXPECT_EQ(transform[0].get().position.y, 0); + + GameObject obj3 = mgr.new_object("obj3", "obj3", vec2{0, 0}, 0, 5); + GameObject obj4 = mgr.new_object("obj4", "obj4", vec2{0, 0}, 0, 5); + + metadata = mgr.get_components_by_type<Metadata>(); + transform = mgr.get_components_by_type<Transform>(); + + EXPECT_EQ(metadata.size(), 3); + EXPECT_EQ(transform.size(), 3); + + EXPECT_EQ(metadata[0].get().game_object_id, 0); + EXPECT_EQ(metadata[0].get().name, "obj3"); + + EXPECT_EQ(metadata[1].get().game_object_id, 1); + EXPECT_EQ(metadata[1].get().name, "obj1"); + + EXPECT_EQ(metadata[2].get().game_object_id, 2); + EXPECT_EQ(metadata[2].get().name, "obj4"); + + EXPECT_EQ(transform[0].get().game_object_id, 0); + EXPECT_EQ(transform[0].get().scale, 5); + + EXPECT_EQ(transform[1].get().game_object_id, 1); + EXPECT_EQ(transform[1].get().scale, 1); + + EXPECT_EQ(transform[2].get().game_object_id, 2); + EXPECT_EQ(transform[2].get().scale, 5); +} + +TEST_F(ECSTest, resetPersistent) { + GameObject obj0 = mgr.new_object("obj0", "obj0", vec2{0, 0}, 0, 1); + GameObject obj1 = mgr.new_object("obj1", "obj1", vec2{0, 0}, 0, 1); + obj1.set_persistent(); + GameObject obj2 = mgr.new_object("obj2", "obj2", vec2{0, 0}, 0, 1); + + vector<reference_wrapper<Metadata>> metadata = mgr.get_components_by_type<Metadata>(); + vector<reference_wrapper<Transform>> transform = mgr.get_components_by_type<Transform>(); + + EXPECT_EQ(metadata.size(), 3); + EXPECT_EQ(transform.size(), 3); + + mgr.delete_all_components(); + + metadata = mgr.get_components_by_type<Metadata>(); + transform = mgr.get_components_by_type<Transform>(); + + EXPECT_EQ(metadata.size(), 1); + EXPECT_EQ(transform.size(), 1); + + vector<reference_wrapper<Metadata>> metadata_id = mgr.get_components_by_id<Metadata>(1); + + EXPECT_EQ(metadata_id.size(), 1); + EXPECT_EQ(metadata_id[0].get().game_object_id, 1); + EXPECT_EQ(metadata_id[0].get().name, "obj1"); + + mgr.set_persistent(1, false); + mgr.delete_all_components(); + + metadata = mgr.get_components_by_type<Metadata>(); + transform = mgr.get_components_by_type<Transform>(); + + EXPECT_EQ(metadata.size(), 0); + EXPECT_EQ(transform.size(), 0); +} + +TEST_F(ECSTest, IDByName) { + GameObject foo = mgr.new_object("foo"); + GameObject bar = mgr.new_object("bar"); + + { + auto objects = mgr.get_objects_by_name(""); + EXPECT_EQ(objects.size(), 0); + } + + { + auto objects = mgr.get_objects_by_name("foo"); + EXPECT_EQ(objects.size(), 1); + EXPECT_TRUE(objects.contains(foo.id)); + } +} + +TEST_F(ECSTest, IDByTag) { + GameObject foo = mgr.new_object("foo", "common tag"); + GameObject bar = mgr.new_object("bar", "common tag"); + + { + auto objects = mgr.get_objects_by_tag(""); + EXPECT_EQ(objects.size(), 0); + } + + { + auto objects = mgr.get_objects_by_tag("common tag"); + EXPECT_EQ(objects.size(), 2); + EXPECT_TRUE(objects.contains(foo.id)); + EXPECT_TRUE(objects.contains(bar.id)); + } +} + +TEST_F(ECSTest, ComponentsByName) { + GameObject foo = mgr.new_object("foo"); + foo.add_component<TestComponent>(); + GameObject bar = mgr.new_object("bar"); + bar.add_component<TestComponent>(); + bar.add_component<TestComponent>(); + + { + auto objects = mgr.get_components_by_name<TestComponent>(""); + EXPECT_EQ(objects.size(), 0); + } + + { + auto objects = mgr.get_components_by_name<TestComponent>("foo"); + EXPECT_EQ(objects.size(), 1); + } + + { + auto objects = mgr.get_components_by_name<TestComponent>("bar"); + EXPECT_EQ(objects.size(), 2); + } +} + +TEST_F(ECSTest, ComponentsByTag) { + GameObject foo = mgr.new_object("foo", "common tag"); + foo.add_component<TestComponent>(); + GameObject bar = mgr.new_object("bar", "common tag"); + bar.add_component<TestComponent>(); + bar.add_component<TestComponent>(); + + { + auto objects = mgr.get_components_by_tag<TestComponent>(""); + EXPECT_EQ(objects.size(), 0); + } + + { + auto objects = mgr.get_components_by_tag<TestComponent>("common tag"); + EXPECT_EQ(objects.size(), 3); + } +} + +TEST_F(ECSTest, Snapshot) { + GameObject foo = mgr.new_object("foo"); + + foo.transform.position = {1, 1}; + + ComponentManager::Snapshot snapshot = mgr.save(); + + foo.transform.position = {0, 0}; + + mgr.restore(snapshot); + + EXPECT_EQ(foo.transform.position, (vec2{1, 1})); +} diff --git a/src/test/EventTest.cpp b/src/test/EventTest.cpp index b0e6c9c..f8be3fe 100644 --- a/src/test/EventTest.cpp +++ b/src/test/EventTest.cpp @@ -1,8 +1,6 @@ - -#include "api/Event.h" -#include "api/EventManager.h" -#include "api/IKeyListener.h" -#include "api/IMouseListener.h" +#include <crepe/api/Event.h> +#include <crepe/manager/EventManager.h> +#include <crepe/manager/Mediator.h> #include <gmock/gmock.h> #include <gtest/gtest.h> using namespace std; @@ -11,48 +9,33 @@ using namespace crepe; class EventManagerTest : public ::testing::Test { protected: + Mediator mediator; + EventManager event_mgr{mediator}; void SetUp() override { // Clear any existing subscriptions or events before each test - EventManager::get_instance().clear(); + event_mgr.clear(); } void TearDown() override { // Ensure cleanup after each test - EventManager::get_instance().clear(); + event_mgr.clear(); } }; -class MockKeyListener : public IKeyListener { -public: - MOCK_METHOD(bool, on_key_pressed, (const KeyPressEvent & event), (override)); - MOCK_METHOD(bool, on_key_released, (const KeyReleaseEvent & event), (override)); -}; - -class MockMouseListener : public IMouseListener { -public: - MOCK_METHOD(bool, on_mouse_clicked, (const MouseClickEvent & event), (override)); - MOCK_METHOD(bool, on_mouse_pressed, (const MousePressEvent & event), (override)); - MOCK_METHOD(bool, on_mouse_released, (const MouseReleaseEvent & event), (override)); - MOCK_METHOD(bool, on_mouse_moved, (const MouseMoveEvent & event), (override)); -}; - TEST_F(EventManagerTest, EventSubscription) { - EventHandler<KeyPressEvent> key_handler = [](const KeyPressEvent & e) { - std::cout << "Key Event Triggered" << std::endl; - return true; - }; + EventHandler<KeyPressEvent> key_handler = [](const KeyPressEvent & e) { return true; }; // Subscribe to KeyPressEvent - EventManager::get_instance().subscribe<KeyPressEvent>(key_handler, 1); + event_mgr.subscribe<KeyPressEvent>(key_handler, 1); // Verify subscription (not directly verifiable; test by triggering event) - EventManager::get_instance().trigger_event<KeyPressEvent>( + event_mgr.trigger_event<KeyPressEvent>( KeyPressEvent{ .repeat = true, .key = Keycode::A, }, 1); - EventManager::get_instance().trigger_event<KeyPressEvent>( + event_mgr.trigger_event<KeyPressEvent>( KeyPressEvent{ .repeat = true, .key = Keycode::A, @@ -65,18 +48,15 @@ TEST_F(EventManagerTest, EventManagerTest_trigger_all_channels) { EventHandler<MouseClickEvent> mouse_handler = [&](const MouseClickEvent & e) { triggered = true; - EXPECT_EQ(e.mouse_x, 100); - EXPECT_EQ(e.mouse_y, 200); + EXPECT_EQ(e.mouse_pos.x, 100); + EXPECT_EQ(e.mouse_pos.y, 200); EXPECT_EQ(e.button, MouseButton::LEFT_MOUSE); return false; }; - EventManager::get_instance().subscribe<MouseClickEvent>(mouse_handler, - EventManager::CHANNEL_ALL); + event_mgr.subscribe<MouseClickEvent>(mouse_handler, EventManager::CHANNEL_ALL); - MouseClickEvent click_event{ - .mouse_x = 100, .mouse_y = 200, .button = MouseButton::LEFT_MOUSE}; - EventManager::get_instance().trigger_event<MouseClickEvent>(click_event, - EventManager::CHANNEL_ALL); + MouseClickEvent click_event{.mouse_pos = {100, 200}, .button = MouseButton::LEFT_MOUSE}; + event_mgr.trigger_event<MouseClickEvent>(click_event, EventManager::CHANNEL_ALL); EXPECT_TRUE(triggered); } @@ -85,24 +65,21 @@ TEST_F(EventManagerTest, EventManagerTest_trigger_one_channel) { int test_channel = 1; EventHandler<MouseClickEvent> mouse_handler = [&](const MouseClickEvent & e) { triggered = true; - EXPECT_EQ(e.mouse_x, 100); - EXPECT_EQ(e.mouse_y, 200); + EXPECT_EQ(e.mouse_pos.x, 100); + EXPECT_EQ(e.mouse_pos.y, 200); EXPECT_EQ(e.button, MouseButton::LEFT_MOUSE); return false; }; - EventManager::get_instance().subscribe<MouseClickEvent>(mouse_handler, test_channel); + event_mgr.subscribe<MouseClickEvent>(mouse_handler, test_channel); - MouseClickEvent click_event{ - .mouse_x = 100, .mouse_y = 200, .button = MouseButton::LEFT_MOUSE}; - EventManager::get_instance().trigger_event<MouseClickEvent>(click_event, - EventManager::CHANNEL_ALL); + MouseClickEvent click_event{.mouse_pos = {100, 200}, .button = MouseButton::LEFT_MOUSE}; + event_mgr.trigger_event<MouseClickEvent>(click_event, EventManager::CHANNEL_ALL); EXPECT_FALSE(triggered); - EventManager::get_instance().trigger_event<MouseClickEvent>(click_event, test_channel); + event_mgr.trigger_event<MouseClickEvent>(click_event, test_channel); } TEST_F(EventManagerTest, EventManagerTest_callback_propagation) { - EventManager & event_manager = EventManager::get_instance(); // Flags to track handler calls bool triggered_true = false; @@ -111,28 +88,27 @@ TEST_F(EventManagerTest, EventManagerTest_callback_propagation) { // Handlers EventHandler<MouseClickEvent> mouse_handler_true = [&](const MouseClickEvent & e) { triggered_true = true; - EXPECT_EQ(e.mouse_x, 100); - EXPECT_EQ(e.mouse_y, 200); + EXPECT_EQ(e.mouse_pos.x, 100); + EXPECT_EQ(e.mouse_pos.y, 200); EXPECT_EQ(e.button, MouseButton::LEFT_MOUSE); return true; // Stops propagation }; EventHandler<MouseClickEvent> mouse_handler_false = [&](const MouseClickEvent & e) { triggered_false = true; - EXPECT_EQ(e.mouse_x, 100); - EXPECT_EQ(e.mouse_y, 200); + EXPECT_EQ(e.mouse_pos.x, 100); + EXPECT_EQ(e.mouse_pos.y, 200); EXPECT_EQ(e.button, MouseButton::LEFT_MOUSE); return false; // Allows propagation }; // Test event - MouseClickEvent click_event{ - .mouse_x = 100, .mouse_y = 200, .button = MouseButton::LEFT_MOUSE}; - event_manager.subscribe<MouseClickEvent>(mouse_handler_true, EventManager::CHANNEL_ALL); - event_manager.subscribe<MouseClickEvent>(mouse_handler_false, EventManager::CHANNEL_ALL); + MouseClickEvent click_event{.mouse_pos = {100, 200}, .button = MouseButton::LEFT_MOUSE}; + event_mgr.subscribe<MouseClickEvent>(mouse_handler_true, EventManager::CHANNEL_ALL); + event_mgr.subscribe<MouseClickEvent>(mouse_handler_false, EventManager::CHANNEL_ALL); // Trigger event - event_manager.trigger_event<MouseClickEvent>(click_event, EventManager::CHANNEL_ALL); + event_mgr.trigger_event<MouseClickEvent>(click_event, EventManager::CHANNEL_ALL); // Check that only the true handler was triggered EXPECT_TRUE(triggered_true); @@ -141,12 +117,12 @@ TEST_F(EventManagerTest, EventManagerTest_callback_propagation) { // Reset and clear triggered_true = false; triggered_false = false; - event_manager.clear(); - event_manager.subscribe<MouseClickEvent>(mouse_handler_false, EventManager::CHANNEL_ALL); - event_manager.subscribe<MouseClickEvent>(mouse_handler_true, EventManager::CHANNEL_ALL); + event_mgr.clear(); + event_mgr.subscribe<MouseClickEvent>(mouse_handler_false, EventManager::CHANNEL_ALL); + event_mgr.subscribe<MouseClickEvent>(mouse_handler_true, EventManager::CHANNEL_ALL); // Trigger event again - event_manager.trigger_event<MouseClickEvent>(click_event, EventManager::CHANNEL_ALL); + event_mgr.trigger_event<MouseClickEvent>(click_event, EventManager::CHANNEL_ALL); // Check that both handlers were triggered EXPECT_TRUE(triggered_true); @@ -154,39 +130,37 @@ TEST_F(EventManagerTest, EventManagerTest_callback_propagation) { } TEST_F(EventManagerTest, EventManagerTest_queue_dispatch) { - EventManager & event_manager = EventManager::get_instance(); bool triggered1 = false; bool triggered2 = false; int test_channel = 1; EventHandler<MouseClickEvent> mouse_handler1 = [&](const MouseClickEvent & e) { triggered1 = true; - EXPECT_EQ(e.mouse_x, 100); - EXPECT_EQ(e.mouse_y, 200); + EXPECT_EQ(e.mouse_pos.x, 100); + EXPECT_EQ(e.mouse_pos.y, 200); EXPECT_EQ(e.button, MouseButton::LEFT_MOUSE); return false; // Allows propagation }; EventHandler<MouseClickEvent> mouse_handler2 = [&](const MouseClickEvent & e) { triggered2 = true; - EXPECT_EQ(e.mouse_x, 100); - EXPECT_EQ(e.mouse_y, 200); + EXPECT_EQ(e.mouse_pos.x, 100); + EXPECT_EQ(e.mouse_pos.y, 200); EXPECT_EQ(e.button, MouseButton::LEFT_MOUSE); return false; // Allows propagation }; - event_manager.subscribe<MouseClickEvent>(mouse_handler1); - event_manager.subscribe<MouseClickEvent>(mouse_handler2, test_channel); + event_mgr.subscribe<MouseClickEvent>(mouse_handler1); + event_mgr.subscribe<MouseClickEvent>(mouse_handler2, test_channel); - event_manager.queue_event<MouseClickEvent>( - MouseClickEvent{.mouse_x = 100, .mouse_y = 200, .button = MouseButton::LEFT_MOUSE}); - event_manager.queue_event<MouseClickEvent>( - MouseClickEvent{.mouse_x = 100, .mouse_y = 200, .button = MouseButton::LEFT_MOUSE}, + event_mgr.queue_event<MouseClickEvent>( + MouseClickEvent{.mouse_pos = {100, 200}, .button = MouseButton::LEFT_MOUSE}); + event_mgr.queue_event<MouseClickEvent>( + MouseClickEvent{.mouse_pos = {100, 200}, .button = MouseButton::LEFT_MOUSE}, test_channel); - event_manager.dispatch_events(); + event_mgr.dispatch_events(); EXPECT_TRUE(triggered1); EXPECT_TRUE(triggered2); } TEST_F(EventManagerTest, EventManagerTest_unsubscribe) { - EventManager & event_manager = EventManager::get_instance(); // Flags to track if handlers are triggered bool triggered1 = false; @@ -195,29 +169,29 @@ TEST_F(EventManagerTest, EventManagerTest_unsubscribe) { // Define EventHandlers EventHandler<MouseClickEvent> mouse_handler1 = [&](const MouseClickEvent & e) { triggered1 = true; - EXPECT_EQ(e.mouse_x, 100); - EXPECT_EQ(e.mouse_y, 200); + EXPECT_EQ(e.mouse_pos.x, 100); + EXPECT_EQ(e.mouse_pos.y, 200); EXPECT_EQ(e.button, MouseButton::LEFT_MOUSE); return false; // Allows propagation }; EventHandler<MouseClickEvent> mouse_handler2 = [&](const MouseClickEvent & e) { triggered2 = true; - EXPECT_EQ(e.mouse_x, 100); - EXPECT_EQ(e.mouse_y, 200); + EXPECT_EQ(e.mouse_pos.x, 100); + EXPECT_EQ(e.mouse_pos.y, 200); EXPECT_EQ(e.button, MouseButton::LEFT_MOUSE); return false; // Allows propagation }; // Subscribe handlers - subscription_t handler1_id = event_manager.subscribe<MouseClickEvent>(mouse_handler1); - subscription_t handler2_id = event_manager.subscribe<MouseClickEvent>(mouse_handler2); + subscription_t handler1_id = event_mgr.subscribe<MouseClickEvent>(mouse_handler1); + subscription_t handler2_id = event_mgr.subscribe<MouseClickEvent>(mouse_handler2); // Queue events - event_manager.queue_event<MouseClickEvent>( - MouseClickEvent{.mouse_x = 100, .mouse_y = 200, .button = MouseButton::LEFT_MOUSE}); + event_mgr.queue_event<MouseClickEvent>( + MouseClickEvent{.mouse_pos = {100, 200}, .button = MouseButton::LEFT_MOUSE}); // Dispatch events - both handlers should be triggered - event_manager.dispatch_events(); + event_mgr.dispatch_events(); EXPECT_TRUE(triggered1); // Handler 1 should be triggered EXPECT_TRUE(triggered2); // Handler 2 should be triggered @@ -226,14 +200,14 @@ TEST_F(EventManagerTest, EventManagerTest_unsubscribe) { triggered2 = false; // Unsubscribe handler1 - event_manager.unsubscribe(handler1_id); + event_mgr.unsubscribe(handler1_id); // Queue the same event again - event_manager.queue_event<MouseClickEvent>( - MouseClickEvent{.mouse_x = 100, .mouse_y = 200, .button = MouseButton::LEFT_MOUSE}); + event_mgr.queue_event<MouseClickEvent>( + MouseClickEvent{.mouse_pos = {100, 200}, .button = MouseButton::LEFT_MOUSE}); // Dispatch events - only handler 2 should be triggered, handler 1 should NOT - event_manager.dispatch_events(); + event_mgr.dispatch_events(); EXPECT_FALSE(triggered1); // Handler 1 should NOT be triggered EXPECT_TRUE(triggered2); // Handler 2 should be triggered @@ -241,14 +215,14 @@ TEST_F(EventManagerTest, EventManagerTest_unsubscribe) { triggered2 = false; // Unsubscribe handler2 - event_manager.unsubscribe(handler2_id); + event_mgr.unsubscribe(handler2_id); // Queue the event again - event_manager.queue_event<MouseClickEvent>( - MouseClickEvent{.mouse_x = 100, .mouse_y = 200, .button = MouseButton::LEFT_MOUSE}); + event_mgr.queue_event<MouseClickEvent>( + MouseClickEvent{.mouse_pos = {100, 200}, .button = MouseButton::LEFT_MOUSE}); // Dispatch events - no handler should be triggered - event_manager.dispatch_events(); + event_mgr.dispatch_events(); EXPECT_FALSE(triggered1); // Handler 1 should NOT be triggered EXPECT_FALSE(triggered2); // Handler 2 should NOT be triggered } diff --git a/src/test/InputTest.cpp b/src/test/InputTest.cpp new file mode 100644 index 0000000..f5ebaf0 --- /dev/null +++ b/src/test/InputTest.cpp @@ -0,0 +1,279 @@ +#include <gtest/gtest.h> + +#include <crepe/manager/ResourceManager.h> +#include <crepe/system/RenderSystem.h> +#define protected public +#define private public + +#include "api/KeyCodes.h" +#include "manager/ComponentManager.h" +#include "manager/EventManager.h" +#include "manager/Mediator.h" +#include "system/InputSystem.h" +#include <SDL2/SDL.h> +#include <SDL2/SDL_keycode.h> +#include <crepe/api/Button.h> +#include <crepe/api/Camera.h> +#include <crepe/api/GameObject.h> +#include <crepe/api/Metadata.h> +#include <crepe/api/Transform.h> +#include <crepe/api/Vector2.h> +#include <crepe/facade/SDLContext.h> +#include <gmock/gmock.h> + +using namespace std; +using namespace std::chrono_literals; +using namespace crepe; + +class InputTest : public ::testing::Test { +public: + Mediator mediator; + ComponentManager mgr{mediator}; + SDLContext sdl_context{mediator}; + + InputSystem input_system{mediator}; + ResourceManager resman{mediator}; + RenderSystem render{mediator}; + EventManager event_manager{mediator}; + //GameObject camera; + +protected: + void SetUp() override { + GameObject obj = mgr.new_object("camera", "camera", vec2{0, 0}, 0, 1); + auto & camera + = obj.add_component<Camera>(ivec2{500, 500}, vec2{500, 500}, + Camera::Data{.bg_color = Color::WHITE, .zoom = 1.0f}); + render.frame_update(); + //mediator.event_manager = event_manager; + //mediator.component_manager = mgr; + //event_manager.clear(); + } + void TearDown() override {} + void simulate_mouse_click(int mouse_x, int mouse_y, Uint8 mouse_button) { + SDL_Event event; + + // Simulate Mouse Button Down event + SDL_zero(event); + event.type = SDL_MOUSEBUTTONDOWN; + event.button.x = mouse_x; + event.button.y = mouse_y; + event.button.button = mouse_button; + SDL_PushEvent(&event); + + // Simulate Mouse Button Up event + SDL_zero(event); + event.type = SDL_MOUSEBUTTONUP; + event.button.x = mouse_x; + event.button.y = mouse_y; + event.button.button = mouse_button; + SDL_PushEvent(&event); + } +}; + +TEST_F(InputTest, MouseDown) { + bool mouse_triggered = false; + EventHandler<MousePressEvent> on_mouse_down = [&](const MousePressEvent & event) { + mouse_triggered = true; + //middle of the screen = 0,0 + EXPECT_EQ(event.mouse_pos.x, 0); + EXPECT_EQ(event.mouse_pos.y, 0); + EXPECT_EQ(event.button, MouseButton::LEFT_MOUSE); + return false; + }; + event_manager.subscribe<MousePressEvent>(on_mouse_down); + + SDL_Event event; + SDL_zero(event); + event.type = SDL_MOUSEBUTTONDOWN; + // middle of the screen of a 500*500 camera = 250*250 + event.button.x = 250; + event.button.y = 250; + event.button.button = SDL_BUTTON_LEFT; + SDL_PushEvent(&event); + + input_system.fixed_update(); + event_manager.dispatch_events(); + EXPECT_TRUE(mouse_triggered); +} + +TEST_F(InputTest, MouseUp) { + bool function_triggered = false; + EventHandler<MouseReleaseEvent> on_mouse_release = [&](const MouseReleaseEvent & e) { + function_triggered = true; + EXPECT_EQ(e.mouse_pos.x, 0); + EXPECT_EQ(e.mouse_pos.y, 0); + EXPECT_EQ(e.button, MouseButton::LEFT_MOUSE); + return false; + }; + event_manager.subscribe<MouseReleaseEvent>(on_mouse_release); + + SDL_Event event; + SDL_zero(event); + event.type = SDL_MOUSEBUTTONUP; + event.button.x = 250; + event.button.y = 250; + event.button.button = SDL_BUTTON_LEFT; + SDL_PushEvent(&event); + + input_system.fixed_update(); + event_manager.dispatch_events(); + EXPECT_TRUE(function_triggered); +} + +TEST_F(InputTest, MouseMove) { + bool function_triggered = false; + EventHandler<MouseMoveEvent> on_mouse_move = [&](const MouseMoveEvent & e) { + function_triggered = true; + EXPECT_EQ(e.mouse_pos.x, 0); + EXPECT_EQ(e.mouse_pos.y, 0); + EXPECT_EQ(e.mouse_delta.x, 10); + EXPECT_EQ(e.mouse_delta.y, 10); + return false; + }; + event_manager.subscribe<MouseMoveEvent>(on_mouse_move); + + SDL_Event event; + SDL_zero(event); + event.type = SDL_MOUSEMOTION; + event.motion.x = 250; + event.motion.y = 250; + event.motion.xrel = 10; + event.motion.yrel = 10; + SDL_PushEvent(&event); + + input_system.fixed_update(); + event_manager.dispatch_events(); + EXPECT_TRUE(function_triggered); +} + +TEST_F(InputTest, KeyDown) { + bool function_triggered = false; + + // Define event handler for KeyPressEvent + EventHandler<KeyPressEvent> on_key_press = [&](const KeyPressEvent & event) { + function_triggered = true; + EXPECT_EQ(event.key, Keycode::B); // Validate the key is 'B' + EXPECT_EQ(event.repeat, true); // Validate repeat flag + return false; + }; + + event_manager.subscribe<KeyPressEvent>(on_key_press); + + // Simulate SDL_KEYDOWN event + SDL_Event test_event; + SDL_zero(test_event); + test_event.type = SDL_KEYDOWN; // Key down event + test_event.key.keysym.scancode = SDL_SCANCODE_B; // Set scancode for 'B' + test_event.key.repeat = 1; // Set repeat flag + SDL_PushEvent(&test_event); + + input_system.fixed_update(); // Process the event + event_manager.dispatch_events(); // Dispatch events to handlers + + EXPECT_TRUE(function_triggered); // Check if the handler was triggered +} + +TEST_F(InputTest, KeyUp) { + bool function_triggered = false; + EventHandler<KeyReleaseEvent> on_key_release = [&](const KeyReleaseEvent & event) { + function_triggered = true; + EXPECT_EQ(event.key, Keycode::B); + return false; + }; + event_manager.subscribe<KeyReleaseEvent>(on_key_release); + + SDL_Event event; + SDL_zero(event); + event.type = SDL_KEYUP; + event.key.keysym.scancode = SDL_SCANCODE_B; + SDL_PushEvent(&event); + + input_system.fixed_update(); + event_manager.dispatch_events(); + EXPECT_TRUE(function_triggered); +} + +TEST_F(InputTest, MouseClick) { + bool on_click_triggered = false; + EventHandler<MouseClickEvent> on_mouse_click = [&](const MouseClickEvent & event) { + on_click_triggered = true; + EXPECT_EQ(event.button, MouseButton::LEFT_MOUSE); + EXPECT_EQ(event.mouse_pos.x, 0); + EXPECT_EQ(event.mouse_pos.y, 0); + return false; + }; + event_manager.subscribe<MouseClickEvent>(on_mouse_click); + + this->simulate_mouse_click(250, 250, SDL_BUTTON_LEFT); + input_system.fixed_update(); + event_manager.dispatch_events(); + EXPECT_TRUE(on_click_triggered); +} + +TEST_F(InputTest, testButtonClick) { + GameObject button_obj = mgr.new_object("body", "person", vec2{0, 0}, 0, 1); + bool button_clicked = false; + event_manager.subscribe<ButtonPressEvent>([&](const ButtonPressEvent & event) { + button_clicked = true; + EXPECT_EQ(event.metadata.game_object_id, button_obj.id); + return false; + }); + auto & button = button_obj.add_component<Button>(vec2{100, 100}, vec2{0, 0}); + + bool hover = false; + button.active = true; + this->simulate_mouse_click(999, 999, SDL_BUTTON_LEFT); + input_system.fixed_update(); + event_manager.dispatch_events(); + EXPECT_FALSE(button_clicked); + + this->simulate_mouse_click(250, 250, SDL_BUTTON_LEFT); + input_system.fixed_update(); + event_manager.dispatch_events(); + EXPECT_TRUE(button_clicked); +} + +TEST_F(InputTest, testButtonHover) { + GameObject button_obj = mgr.new_object("body", "person", vec2{0, 0}, 0, 1); + bool button_hover = false; + event_manager.subscribe<ButtonEnterEvent>([&](const ButtonEnterEvent & event) { + button_hover = true; + EXPECT_EQ(event.metadata.game_object_id, button_obj.id); + return false; + }); + event_manager.subscribe<ButtonExitEvent>([&](const ButtonExitEvent & event) { + button_hover = false; + EXPECT_EQ(event.metadata.game_object_id, button_obj.id); + return false; + }); + auto & button = button_obj.add_component<Button>(vec2{100, 100}, vec2{0, 0}); + button.active = true; + // Mouse on button + SDL_Event hover_event; + SDL_zero(hover_event); + hover_event.type = SDL_MOUSEMOTION; + hover_event.motion.x = 250; + hover_event.motion.y = 250; + hover_event.motion.xrel = 10; + hover_event.motion.yrel = 10; + SDL_PushEvent(&hover_event); + + input_system.fixed_update(); + event_manager.dispatch_events(); + EXPECT_TRUE(button.hover); + EXPECT_TRUE(button_hover); + // Mouse not on button + SDL_Event event; + SDL_zero(event); + event.type = SDL_MOUSEMOTION; + event.motion.x = 500; + event.motion.y = 500; + event.motion.xrel = 10; + event.motion.yrel = 10; + SDL_PushEvent(&event); + + input_system.fixed_update(); + event_manager.dispatch_events(); + EXPECT_FALSE(button.hover); + EXPECT_FALSE(button_hover); +} diff --git a/src/test/LoopManagerTest.cpp b/src/test/LoopManagerTest.cpp new file mode 100644 index 0000000..f6653fa --- /dev/null +++ b/src/test/LoopManagerTest.cpp @@ -0,0 +1,78 @@ +#include <chrono> +#include <gmock/gmock.h> +#include <gtest/gtest.h> +#include <thread> +#define private public +#define protected public +#include <crepe/api/Engine.h> +#include <crepe/manager/EventManager.h> +#include <crepe/manager/LoopTimerManager.h> +using namespace std::chrono; +using namespace crepe; + +class DISABLED_LoopManagerTest : public ::testing::Test { +protected: + class TestGameLoop : public crepe::Engine { + public: + MOCK_METHOD(void, fixed_update, (), (override)); + MOCK_METHOD(void, frame_update, (), (override)); + }; + + TestGameLoop test_loop; + void SetUp() override {} +}; + +TEST_F(DISABLED_LoopManagerTest, FixedUpdate) { + // Arrange + test_loop.loop_timer.set_target_framerate(60); + + // Set expectations for the mock calls + EXPECT_CALL(test_loop, frame_update).Times(::testing::Between(55, 65)); + EXPECT_CALL(test_loop, fixed_update).Times(::testing::Between(48, 52)); + + // Start the loop in a separate thread + std::thread loop_thread([&]() { test_loop.start(); }); + + // Let the loop run for exactly 1 second + std::this_thread::sleep_for(std::chrono::seconds(1)); + + // Stop the game loop + test_loop.game_running = false; + // Wait for the loop thread to finish + loop_thread.join(); + + // Test finished +} + +TEST_F(DISABLED_LoopManagerTest, ScaledFixedUpdate) { + // Arrange + test_loop.loop_timer.set_target_framerate(60); + + // Set expectations for the mock calls + EXPECT_CALL(test_loop, frame_update).Times(::testing::Between(55, 65)); + EXPECT_CALL(test_loop, fixed_update).Times(::testing::Between(48, 52)); + + // Start the loop in a separate thread + std::thread loop_thread([&]() { test_loop.start(); }); + + // Let the loop run for exactly 1 second + std::this_thread::sleep_for(std::chrono::seconds(1)); + + // Stop the game loop + test_loop.game_running = false; + // Wait for the loop thread to finish + loop_thread.join(); + + // Test finished +} + +TEST_F(DISABLED_LoopManagerTest, ShutDown) { + // Arrange + test_loop.loop_timer.set_target_framerate(60); + // Start the loop in a separate thread + std::thread loop_thread([&]() { test_loop.start(); }); + std::this_thread::sleep_for(std::chrono::milliseconds(1)); + test_loop.event_manager.trigger_event<ShutDownEvent>(ShutDownEvent{}); + // Wait for the loop thread to finish + loop_thread.join(); +} diff --git a/src/test/LoopTimerTest.cpp b/src/test/LoopTimerTest.cpp new file mode 100644 index 0000000..7bd6305 --- /dev/null +++ b/src/test/LoopTimerTest.cpp @@ -0,0 +1,97 @@ +#include <chrono> +#include <gtest/gtest.h> +#include <thread> + +#define private public +#define protected public + +#include <crepe/manager/LoopTimerManager.h> +#include <crepe/manager/Mediator.h> + +using namespace std::chrono; +using namespace crepe; + +class LoopTimerTest : public ::testing::Test { +protected: + Mediator mediator; + LoopTimerManager loop_timer{mediator}; + + void SetUp() override { loop_timer.start(); } +}; + +TEST_F(LoopTimerTest, EnforcesTargetFrameRate) { + // Set the target FPS to 60 (which gives a target time per frame of ~16.67 ms) + loop_timer.set_target_framerate(60); + + auto start_time = steady_clock::now(); + loop_timer.enforce_frame_rate(); + + auto elapsed_time = steady_clock::now() - start_time; + auto elapsed_ms = duration_cast<milliseconds>(elapsed_time).count(); + + // For 60 FPS, the target frame time is around 16.67ms + ASSERT_NEAR(elapsed_ms, 16.7, 5); +} + +TEST_F(LoopTimerTest, SetTargetFps) { + // Set the target FPS to 120 + loop_timer.set_target_framerate(120); + + // Calculate the expected frame time (~8.33ms per frame) + duration_t expected_frame_time = std::chrono::duration<float>(1.0 / 120.0); + + ASSERT_NEAR(loop_timer.frame_target_time.count(), expected_frame_time.count(), 0.001); +} + +TEST_F(LoopTimerTest, DeltaTimeCalculation) { + // Set the target FPS to 60 (16.67 ms per frame) + loop_timer.set_target_framerate(60); + + auto start_time = steady_clock::now(); + loop_timer.update(); + auto end_time = steady_clock::now(); + + // Check the delta time + duration_t delta_time = loop_timer.get_delta_time(); + + auto elapsed_time = duration_cast<seconds>(end_time - start_time).count(); + + // Assert that delta_time is close to the elapsed time + ASSERT_NEAR(delta_time.count(), elapsed_time, 1); +} + +TEST_F(LoopTimerTest, DISABLED_getCurrentTime) { + // Set the target FPS to 60 (16.67 ms per frame) + loop_timer.set_target_framerate(60); + + auto start_time = steady_clock::now(); + + // Sleep + std::this_thread::sleep_for(std::chrono::milliseconds(100)); + + loop_timer.update(); + + auto end_time = steady_clock::now(); + + // Get the elapsed time in seconds as a double + auto elapsed_time + = std::chrono::duration_cast<elapsed_time_t>(end_time - start_time).count(); + + ASSERT_NEAR(loop_timer.get_elapsed_time().count(), elapsed_time, 5); +} +TEST_F(LoopTimerTest, getFPS) { + // Set the target FPS to 60 (which gives a target time per frame of ~16.67 ms) + loop_timer.set_target_framerate(60); + + auto start_time = steady_clock::now(); + loop_timer.enforce_frame_rate(); + + auto elapsed_time = steady_clock::now() - start_time; + loop_timer.update(); + unsigned int fps = loop_timer.get_fps(); + auto elapsed_ms = duration_cast<milliseconds>(elapsed_time).count(); + + // For 60 FPS, the target frame time is around 16.67ms + ASSERT_NEAR(elapsed_ms, 16.7, 1); + ASSERT_NEAR(fps, 60, 2); +} diff --git a/src/test/ParticleTest.cpp b/src/test/ParticleTest.cpp index eee022f..7a731a3 100644 --- a/src/test/ParticleTest.cpp +++ b/src/test/ParticleTest.cpp @@ -1,56 +1,66 @@ -#include "api/Vector2.h" -#include <crepe/ComponentManager.h> -#include <crepe/Particle.h> +#include "api/Asset.h" #include <crepe/api/Config.h> #include <crepe/api/GameObject.h> -#include <crepe/api/ParticleEmitter.h> #include <crepe/api/Rigidbody.h> #include <crepe/api/Sprite.h> #include <crepe/api/Transform.h> -#include <crepe/system/ParticleSystem.h> +#include <crepe/manager/ComponentManager.h> +#include <crepe/manager/LoopTimerManager.h> #include <gtest/gtest.h> #include <math.h> +#define protected public +#define private public +#include <crepe/Particle.h> +#include <crepe/api/ParticleEmitter.h> +#include <crepe/system/ParticleSystem.h> using namespace std; using namespace std::chrono_literals; using namespace crepe; class ParticlesTest : public ::testing::Test { + Mediator m; + public: - ComponentManager component_manager; - ParticleSystem particle_system{component_manager}; + ComponentManager component_manager{m}; + ParticleSystem particle_system{m}; + LoopTimerManager loop_timer{m}; void SetUp() override { ComponentManager & mgr = this->component_manager; std::vector<std::reference_wrapper<Transform>> transforms = mgr.get_components_by_id<Transform>(0); if (transforms.empty()) { - GameObject game_object = mgr.new_object("", "", Vector2{0, 0}, 0, 0); + GameObject game_object = mgr.new_object("", "", vec2{0, 0}, 0, 0); Color color(0, 0, 0, 0); + auto s1 = Asset("asset/texture/img.png"); Sprite & test_sprite = game_object.add_component<Sprite>( - make_shared<Texture>("asset/texture/img.png"), color, - FlipSettings{true, true}); + s1, Sprite::Data{ + .color = color, + .flip = Sprite::FlipSettings{true, true}, + .size = {10, 10}, + }); - game_object.add_component<ParticleEmitter>(ParticleEmitter::Data{ - .position = {0, 0}, - .max_particles = 100, - .emission_rate = 0, - .min_speed = 0, - .max_speed = 0, - .min_angle = 0, - .max_angle = 0, - .begin_lifespan = 0, - .end_lifespan = 0, - .force_over_time = Vector2{0, 0}, - .boundary{ - .width = 0, - .height = 0, - .offset = Vector2{0, 0}, - .reset_on_exit = false, - }, - .sprite = test_sprite, - }); + game_object.add_component<ParticleEmitter>(test_sprite, + ParticleEmitter::Data{ + .offset = {0, 0}, + .max_particles = 100, + .emission_rate = 0, + .min_speed = 0, + .max_speed = 0, + .min_angle = 0, + .max_angle = 0, + .begin_lifespan = 0, + .end_lifespan = 0, + .force_over_time = vec2{0, 0}, + .boundary{ + .width = 0, + .height = 0, + .offset = vec2{0, 0}, + .reset_on_exit = false, + }, + }); } transforms = mgr.get_components_by_id<Transform>(0); Transform & transform = transforms.front().get(); @@ -60,7 +70,7 @@ public: std::vector<std::reference_wrapper<ParticleEmitter>> rigidbodies = mgr.get_components_by_id<ParticleEmitter>(0); ParticleEmitter & emitter = rigidbodies.front().get(); - emitter.data.position = {0, 0}; + emitter.data.offset = {0, 0}; emitter.data.emission_rate = 0; emitter.data.min_speed = 0; emitter.data.max_speed = 0; @@ -68,9 +78,9 @@ public: emitter.data.max_angle = 0; emitter.data.begin_lifespan = 0; emitter.data.end_lifespan = 0; - emitter.data.force_over_time = Vector2{0, 0}; - emitter.data.boundary = {0, 0, Vector2{0, 0}, false}; - for (auto & particle : emitter.data.particles) { + emitter.data.force_over_time = vec2{0, 0}; + emitter.data.boundary = {0, 0, vec2{0, 0}, false}; + for (auto & particle : emitter.particles) { particle.active = false; } } @@ -87,21 +97,21 @@ TEST_F(ParticlesTest, spawnParticle) { emitter.data.max_angle = 0.1; emitter.data.max_speed = 10; emitter.data.max_angle = 10; - particle_system.update(); + particle_system.fixed_update(); //check if nothing happend - EXPECT_EQ(emitter.data.particles[0].active, false); - emitter.data.emission_rate = 1; + EXPECT_EQ(emitter.particles[0].active, false); + emitter.data.emission_rate = 50; //check particle spawnes - particle_system.update(); - EXPECT_EQ(emitter.data.particles[0].active, true); - particle_system.update(); - EXPECT_EQ(emitter.data.particles[1].active, true); - particle_system.update(); - EXPECT_EQ(emitter.data.particles[2].active, true); - particle_system.update(); - EXPECT_EQ(emitter.data.particles[3].active, true); + particle_system.fixed_update(); + EXPECT_EQ(emitter.particles[0].active, true); + particle_system.fixed_update(); + EXPECT_EQ(emitter.particles[1].active, true); + particle_system.fixed_update(); + EXPECT_EQ(emitter.particles[2].active, true); + particle_system.fixed_update(); + EXPECT_EQ(emitter.particles[3].active, true); - for (auto & particle : emitter.data.particles) { + for (auto & particle : emitter.particles) { // Check velocity range EXPECT_GE(particle.velocity.x, emitter.data.min_speed); // Speed should be greater than or equal to min_speed @@ -127,13 +137,13 @@ TEST_F(ParticlesTest, moveParticleHorizontal) { emitter.data.end_lifespan = 100; emitter.data.boundary.height = 100; emitter.data.boundary.width = 100; - emitter.data.min_speed = 1; - emitter.data.max_speed = 1; + emitter.data.min_speed = 50; + emitter.data.max_speed = 50; emitter.data.max_angle = 0; - emitter.data.emission_rate = 1; + emitter.data.emission_rate = 50; for (int a = 1; a < emitter.data.boundary.width / 2; a++) { - particle_system.update(); - EXPECT_EQ(emitter.data.particles[0].position.x, a); + particle_system.fixed_update(); + EXPECT_EQ(emitter.particles[0].position.x, a); } } @@ -144,14 +154,14 @@ TEST_F(ParticlesTest, moveParticleVertical) { emitter.data.end_lifespan = 100; emitter.data.boundary.height = 100; emitter.data.boundary.width = 100; - emitter.data.min_speed = 1; - emitter.data.max_speed = 1; + emitter.data.min_speed = 50; + emitter.data.max_speed = 50; emitter.data.min_angle = 90; emitter.data.max_angle = 90; - emitter.data.emission_rate = 1; + emitter.data.emission_rate = 50; for (int a = 1; a < emitter.data.boundary.width / 2; a++) { - particle_system.update(); - EXPECT_EQ(emitter.data.particles[0].position.y, a); + particle_system.fixed_update(); + EXPECT_EQ(emitter.particles[0].position.y, a); } } @@ -169,9 +179,9 @@ TEST_F(ParticlesTest, boundaryParticleReset) { emitter.data.max_angle = 90; emitter.data.emission_rate = 1; for (int a = 0; a < emitter.data.boundary.width / 2 + 1; a++) { - particle_system.update(); + particle_system.fixed_update(); } - EXPECT_EQ(emitter.data.particles[0].active, false); + EXPECT_EQ(emitter.particles[0].active, false); } TEST_F(ParticlesTest, boundaryParticleStop) { @@ -188,15 +198,15 @@ TEST_F(ParticlesTest, boundaryParticleStop) { emitter.data.max_angle = 90; emitter.data.emission_rate = 1; for (int a = 0; a < emitter.data.boundary.width / 2 + 1; a++) { - particle_system.update(); + particle_system.fixed_update(); } const double TOLERANCE = 0.01; - EXPECT_NEAR(emitter.data.particles[0].velocity.x, 0, TOLERANCE); - EXPECT_NEAR(emitter.data.particles[0].velocity.y, 0, TOLERANCE); - if (emitter.data.particles[0].velocity.x != 0) - EXPECT_NEAR(std::abs(emitter.data.particles[0].position.x), + EXPECT_NEAR(emitter.particles[0].velocity.x, 0, TOLERANCE); + EXPECT_NEAR(emitter.particles[0].velocity.y, 0, TOLERANCE); + if (emitter.particles[0].velocity.x != 0) + EXPECT_NEAR(std::abs(emitter.particles[0].position.x), emitter.data.boundary.height / 2, TOLERANCE); - if (emitter.data.particles[0].velocity.y != 0) - EXPECT_NEAR(std::abs(emitter.data.particles[0].position.y), - emitter.data.boundary.width / 2, TOLERANCE); + if (emitter.particles[0].velocity.y != 0) + EXPECT_NEAR(std::abs(emitter.particles[0].position.y), emitter.data.boundary.width / 2, + TOLERANCE); } diff --git a/src/test/PhysicsTest.cpp b/src/test/PhysicsTest.cpp index 1e37c26..79ed0b8 100644 --- a/src/test/PhysicsTest.cpp +++ b/src/test/PhysicsTest.cpp @@ -1,8 +1,10 @@ -#include <crepe/ComponentManager.h> #include <crepe/api/Config.h> #include <crepe/api/GameObject.h> #include <crepe/api/Rigidbody.h> #include <crepe/api/Transform.h> +#include <crepe/manager/ComponentManager.h> +#include <crepe/manager/LoopTimerManager.h> +#include <crepe/manager/Mediator.h> #include <crepe/system/PhysicsSystem.h> #include <gtest/gtest.h> @@ -11,25 +13,26 @@ using namespace std::chrono_literals; using namespace crepe; class PhysicsTest : public ::testing::Test { + Mediator m; + public: - ComponentManager component_manager; - PhysicsSystem system{component_manager}; + ComponentManager component_manager{m}; + PhysicsSystem system{m}; + LoopTimerManager loop_timer{m}; void SetUp() override { ComponentManager & mgr = this->component_manager; vector<reference_wrapper<Transform>> transforms = mgr.get_components_by_id<Transform>(0); if (transforms.empty()) { - auto entity = mgr.new_object("", "", Vector2{0, 0}, 0, 0); + auto entity = mgr.new_object("", "", vec2{0, 0}, 0, 0); entity.add_component<Rigidbody>(Rigidbody::Data{ .mass = 1, .gravity_scale = 1, .body_type = Rigidbody::BodyType::DYNAMIC, - .max_linear_velocity = Vector2{10, 10}, + .max_linear_velocity = 10, .max_angular_velocity = 10, .constraints = {0, 0}, - .use_gravity = true, - .bounce = false, }); } transforms = mgr.get_components_by_id<Transform>(0); @@ -54,40 +57,41 @@ TEST_F(PhysicsTest, gravity) { ASSERT_FALSE(transforms.empty()); EXPECT_EQ(transform.position.y, 0); - system.update(); - EXPECT_EQ(transform.position.y, 1); + system.fixed_update(); + EXPECT_NEAR(transform.position.y, 0.0004, 0.0001); - system.update(); - EXPECT_EQ(transform.position.y, 3); + system.fixed_update(); + EXPECT_NEAR(transform.position.y, 0.002, 0.001); } TEST_F(PhysicsTest, max_velocity) { ComponentManager & mgr = this->component_manager; vector<reference_wrapper<Rigidbody>> rigidbodies = mgr.get_components_by_id<Rigidbody>(0); Rigidbody & rigidbody = rigidbodies.front().get(); + rigidbody.data.gravity_scale = 0; ASSERT_FALSE(rigidbodies.empty()); EXPECT_EQ(rigidbody.data.linear_velocity.y, 0); rigidbody.add_force_linear({100, 100}); rigidbody.add_force_angular(100); - system.update(); - EXPECT_EQ(rigidbody.data.linear_velocity.y, 10); - EXPECT_EQ(rigidbody.data.linear_velocity.x, 10); + system.fixed_update(); + EXPECT_NEAR(rigidbody.data.linear_velocity.y, 7.07, 0.01); + EXPECT_NEAR(rigidbody.data.linear_velocity.x, 7.07, 0.01); EXPECT_EQ(rigidbody.data.angular_velocity, 10); rigidbody.add_force_linear({-100, -100}); rigidbody.add_force_angular(-100); - system.update(); - EXPECT_EQ(rigidbody.data.linear_velocity.y, -10); - EXPECT_EQ(rigidbody.data.linear_velocity.x, -10); + system.fixed_update(); + EXPECT_NEAR(rigidbody.data.linear_velocity.y, -7.07, 0.01); + EXPECT_NEAR(rigidbody.data.linear_velocity.x, -7.07, 0.01); EXPECT_EQ(rigidbody.data.angular_velocity, -10); } TEST_F(PhysicsTest, movement) { - Config::get_instance().physics.gravity = 0; ComponentManager & mgr = this->component_manager; vector<reference_wrapper<Rigidbody>> rigidbodies = mgr.get_components_by_id<Rigidbody>(0); Rigidbody & rigidbody = rigidbodies.front().get(); + rigidbody.data.gravity_scale = 0; vector<reference_wrapper<Transform>> transforms = mgr.get_components_by_id<Transform>(0); const Transform & transform = transforms.front().get(); ASSERT_FALSE(rigidbodies.empty()); @@ -95,32 +99,34 @@ TEST_F(PhysicsTest, movement) { rigidbody.add_force_linear({1, 1}); rigidbody.add_force_angular(1); - system.update(); - EXPECT_EQ(transform.position.x, 1); - EXPECT_EQ(transform.position.y, 1); - EXPECT_EQ(transform.rotation, 1); + system.fixed_update(); + EXPECT_NEAR(transform.position.x, 0.02, 0.001); + EXPECT_NEAR(transform.position.y, 0.02, 0.001); + EXPECT_NEAR(transform.rotation, 0.02, 0.001); rigidbody.data.constraints = {1, 1, 1}; - EXPECT_EQ(transform.position.x, 1); - EXPECT_EQ(transform.position.y, 1); - EXPECT_EQ(transform.rotation, 1); - - rigidbody.data.linear_damping.x = 0.5; - rigidbody.data.linear_damping.y = 0.5; - rigidbody.data.angular_damping = 0.5; - system.update(); - EXPECT_EQ(rigidbody.data.linear_velocity.x, 0.5); - EXPECT_EQ(rigidbody.data.linear_velocity.y, 0.5); - EXPECT_EQ(rigidbody.data.angular_velocity, 0.5); + EXPECT_NEAR(transform.position.x, 0.02, 0.001); + EXPECT_NEAR(transform.position.y, 0.02, 0.001); + EXPECT_NEAR(transform.rotation, 0.02, 0.001); + rigidbody.data.constraints = {0, 0, 0}; + rigidbody.data.linear_velocity_coefficient.x = 0.5; + rigidbody.data.linear_velocity_coefficient.y = 0.5; + rigidbody.data.angular_velocity_coefficient = 0.5; + system.fixed_update(); + EXPECT_NEAR(rigidbody.data.linear_velocity.x, 0.98, 0.01); + EXPECT_NEAR(rigidbody.data.linear_velocity.y, 0.98, 0.01); + EXPECT_NEAR(rigidbody.data.angular_velocity, 0.98, 0.01); rigidbody.data.constraints = {1, 1, 0}; - rigidbody.data.angular_damping = 0; + rigidbody.data.angular_velocity_coefficient = 0; rigidbody.data.max_angular_velocity = 1000; rigidbody.data.angular_velocity = 360; - system.update(); - EXPECT_EQ(transform.rotation, 1); + system.fixed_update(); + EXPECT_NEAR(transform.rotation, 7.24, 0.01); rigidbody.data.angular_velocity = -360; - system.update(); - EXPECT_EQ(transform.rotation, 1); + system.fixed_update(); + EXPECT_NEAR(transform.rotation, 0.04, 0.001); + system.fixed_update(); + EXPECT_NEAR(transform.rotation, 352.84, 0.01); } diff --git a/src/test/Profiling.cpp b/src/test/Profiling.cpp new file mode 100644 index 0000000..f988700 --- /dev/null +++ b/src/test/Profiling.cpp @@ -0,0 +1,251 @@ +#include <chrono> +#include <cmath> +#include <crepe/api/Asset.h> +#include <crepe/manager/Mediator.h> +#include <crepe/manager/ResourceManager.h> +#include <crepe/system/ParticleSystem.h> +#include <crepe/system/PhysicsSystem.h> +#include <crepe/system/RenderSystem.h> +#include <gtest/gtest.h> + +#define private public +#define protected public + +#include <crepe/api/Event.h> +#include <crepe/api/GameObject.h> +#include <crepe/api/ParticleEmitter.h> +#include <crepe/api/Rigidbody.h> +#include <crepe/api/Script.h> +#include <crepe/api/Transform.h> +#include <crepe/facade/SDLContext.h> +#include <crepe/manager/ComponentManager.h> +#include <crepe/manager/EventManager.h> +#include <crepe/system/CollisionSystem.h> +#include <crepe/system/ScriptSystem.h> +#include <crepe/types.h> +#include <crepe/util/Log.h> + +using namespace std; +using namespace std::chrono_literals; +using namespace crepe; +using namespace testing; + +class TestScript : public Script { + bool oncollision(const CollisionEvent & test) { + Log::logf("Box {} script on_collision()", test.info.this_collider.game_object_id); + return true; + } + void init() { + subscribe<CollisionEvent>( + [this](const CollisionEvent & ev) -> bool { return this->oncollision(ev); }); + } + void fixed_update() { + // Retrieve component from the same GameObject this script is on + } +}; + +class DISABLED_ProfilingTest : public Test { +public: + // Config for test + // Minimum amount to let test pass + const int min_gameobject_count = 100; + // Maximum amount to stop test + const int max_gameobject_count = 150; + // Amount of times a test runs to calculate average + const int average = 5; + // Maximum duration to stop test + const std::chrono::microseconds duration = 16000us; + + Mediator m; + SDLContext sdl_context{m}; + ResourceManager resman{m}; + ComponentManager mgr{m}; + // Add system used for profling tests + CollisionSystem collision_sys{m}; + PhysicsSystem physics_sys{m}; + ParticleSystem particle_sys{m}; + RenderSystem render_sys{m}; + ScriptSystem script_sys{m}; + + // Test data + std::map<std::string, std::chrono::microseconds> timings; + int game_object_count = 0; + std::chrono::microseconds total_time = 0us; + + void SetUp() override { + + GameObject do_not_use = mgr.new_object("DO_NOT_USE", "", {0, 0}); + do_not_use.add_component<Camera>(ivec2{1080, 720}, vec2{2000, 2000}, + Camera::Data{ + .bg_color = Color::WHITE, + .zoom = 1.0f, + }); + // initialize systems here: + //calls init + script_sys.fixed_update(); + //creates window + render_sys.frame_update(); + } + + // Helper function to time an update call and store its duration + template <typename Func> + std::chrono::microseconds time_function(const std::string & name, Func && func) { + auto start = std::chrono::steady_clock::now(); + func(); + auto end = std::chrono::steady_clock::now(); + std::chrono::microseconds duration + = std::chrono::duration_cast<std::chrono::microseconds>(end - start); + timings[name] += duration; + return duration; + } + + // Run and profile all systems, return the total time in milliseconds + std::chrono::microseconds run_all_systems() { + std::chrono::microseconds total_microseconds = 0us; + total_microseconds + += time_function("PhysicsSystem", [&]() { physics_sys.fixed_update(); }); + total_microseconds + += time_function("CollisionSystem", [&]() { collision_sys.fixed_update(); }); + total_microseconds + += time_function("ParticleSystem", [&]() { particle_sys.fixed_update(); }); + total_microseconds + += time_function("RenderSystem", [&]() { render_sys.frame_update(); }); + return total_microseconds; + } + + // Print timings of all functions + void log_timings() const { + std::string result = "\nFunction timings:\n"; + + for (const auto & [name, duration] : timings) { + result += name + " took " + std::to_string(duration.count() / 1000.0 / average) + + " ms (" + std::to_string(duration.count() / average) + " µs).\n"; + } + + result += "Total time: " + std::to_string(this->total_time.count() / 1000.0 / average) + + " ms (" + std::to_string(this->total_time.count() / average) + " µs)\n"; + + result += "Amount of gameobjects: " + std::to_string(game_object_count) + "\n"; + + GTEST_LOG_(INFO) << result; + } + + void clear_timings() { + for (auto & [key, value] : timings) { + value = std::chrono::microseconds(0); + } + } +}; + +TEST_F(DISABLED_ProfilingTest, Profiling_1) { + while (this->total_time / this->average < this->duration) { + + { + //define gameobject used for testing + GameObject gameobject = mgr.new_object("gameobject", "", {0, 0}); + } + + this->game_object_count++; + + this->total_time = 0us; + clear_timings(); + + for (int amount = 0; amount < this->average; amount++) { + this->total_time += run_all_systems(); + } + + if (this->game_object_count >= this->max_gameobject_count) break; + } + log_timings(); + EXPECT_GE(this->game_object_count, this->min_gameobject_count); +} + +TEST_F(DISABLED_ProfilingTest, Profiling_2) { + while (this->total_time / this->average < this->duration) { + + { + //define gameobject used for testing + GameObject gameobject = mgr.new_object( + "gameobject", "", {static_cast<float>(game_object_count * 2), 0}); + gameobject.add_component<Rigidbody>(Rigidbody::Data{ + .gravity_scale = 0.0, + .body_type = Rigidbody::BodyType::STATIC, + }); + gameobject.add_component<BoxCollider>(vec2{0, 0}, vec2{1, 1}); + + gameobject.add_component<BehaviorScript>().set_script<TestScript>(); + Sprite & test_sprite = gameobject.add_component<Sprite>( + Asset{"asset/texture/square.png"}, + Sprite::Data{ + .color = {0, 0, 0, 0}, + .flip = {.flip_x = false, .flip_y = false}, + .sorting_in_layer = 1, + .order_in_layer = 1, + .size = {.y = 500}, + }); + } + + this->game_object_count++; + + this->total_time = 0us; + clear_timings(); + for (int amount = 0; amount < this->average; amount++) { + this->total_time += run_all_systems(); + } + + if (this->game_object_count >= this->max_gameobject_count) break; + } + log_timings(); + EXPECT_GE(this->game_object_count, this->min_gameobject_count); +} + +TEST_F(DISABLED_ProfilingTest, Profiling_3) { + while (this->total_time / this->average < this->duration) { + + { + //define gameobject used for testing + GameObject gameobject = mgr.new_object( + "gameobject", "", {static_cast<float>(game_object_count * 2), 0}); + gameobject.add_component<Rigidbody>(Rigidbody::Data{ + .gravity_scale = 0, + .body_type = Rigidbody::BodyType::STATIC, + }); + gameobject.add_component<BoxCollider>(vec2{0, 0}, vec2{1, 1}); + gameobject.add_component<BehaviorScript>().set_script<TestScript>(); + Sprite & test_sprite = gameobject.add_component<Sprite>( + Asset{"asset/texture/square.png"}, + Sprite::Data{ + .color = {0, 0, 0, 0}, + .flip = {.flip_x = false, .flip_y = false}, + .sorting_in_layer = 1, + .order_in_layer = 1, + .size = {.y = 500}, + }); + auto & test = gameobject.add_component<ParticleEmitter>( + test_sprite, ParticleEmitter::Data{ + .max_particles = 10, + .emission_rate = 100, + .end_lifespan = 100000, + .boundary{ + .width = 1000, + .height = 1000, + .offset = vec2{0, 0}, + .reset_on_exit = false, + }, + + }); + } + render_sys.frame_update(); + this->game_object_count++; + + this->total_time = 0us; + clear_timings(); + for (int amount = 0; amount < this->average; amount++) { + this->total_time += run_all_systems(); + } + + if (this->game_object_count >= this->max_gameobject_count) break; + } + log_timings(); + EXPECT_GE(this->game_object_count, this->min_gameobject_count); +} diff --git a/src/test/RenderSystemTest.cpp b/src/test/RenderSystemTest.cpp index ac479d3..689a6d4 100644 --- a/src/test/RenderSystemTest.cpp +++ b/src/test/RenderSystemTest.cpp @@ -1,4 +1,7 @@ -#include "api/Camera.h" +#include "api/Asset.h" +#include "facade/SDLContext.h" +#include "manager/ResourceManager.h" +#include "types.h" #include <functional> #include <gtest/gtest.h> #include <memory> @@ -7,11 +10,11 @@ #define private public #define protected public -#include <crepe/ComponentManager.h> +#include <crepe/api/Camera.h> #include <crepe/api/Color.h> #include <crepe/api/GameObject.h> #include <crepe/api/Sprite.h> -#include <crepe/api/Texture.h> +#include <crepe/manager/ComponentManager.h> #include <crepe/system/RenderSystem.h> @@ -20,65 +23,69 @@ using namespace crepe; using namespace testing; class RenderSystemTest : public Test { + Mediator m; + public: - ComponentManager mgr{}; - RenderSystem sys{mgr}; + ComponentManager mgr{m}; + SDLContext ctx{m}; + ResourceManager resource_manager{m}; + RenderSystem sys{m}; GameObject entity1 = this->mgr.new_object("name"); GameObject entity2 = this->mgr.new_object("name"); GameObject entity3 = this->mgr.new_object("name"); GameObject entity4 = this->mgr.new_object("name"); void SetUp() override { + auto s1 = Asset("asset/texture/img.png"); + auto s2 = Asset("asset/texture/img.png"); + auto s3 = Asset("asset/texture/img.png"); + auto s4 = Asset("asset/texture/img.png"); auto & sprite1 - = entity1.add_component<Sprite>(make_shared<Texture>("../asset/texture/img.png"), - Color(0, 0, 0, 0), FlipSettings{false, false}); - ASSERT_NE(sprite1.sprite_image.get(), nullptr); - sprite1.order_in_layer = 5; - sprite1.sorting_in_layer = 5; - EXPECT_EQ(sprite1.order_in_layer, 5); - EXPECT_EQ(sprite1.sorting_in_layer, 5); + = entity1.add_component<Sprite>(s1, Sprite::Data{ + .color = Color(0, 0, 0, 0), + .flip = Sprite::FlipSettings{false, false}, + .sorting_in_layer = 5, + .order_in_layer = 5, + .size = {10, 10}, + }); + + EXPECT_EQ(sprite1.data.order_in_layer, 5); + EXPECT_EQ(sprite1.data.sorting_in_layer, 5); auto & sprite2 - = entity2.add_component<Sprite>(make_shared<Texture>("../asset/texture/img.png"), - Color(0, 0, 0, 0), FlipSettings{false, false}); - ASSERT_NE(sprite2.sprite_image.get(), nullptr); - sprite2.sorting_in_layer = 2; - sprite2.order_in_layer = 1; - - EXPECT_EQ(sprite2.sorting_in_layer, 2); - EXPECT_EQ(sprite2.order_in_layer, 1); + = entity2.add_component<Sprite>(s2, Sprite::Data{ + .color = Color(0, 0, 0, 0), + .flip = Sprite::FlipSettings{false, false}, + .sorting_in_layer = 2, + .order_in_layer = 1, + }); + EXPECT_EQ(sprite2.data.sorting_in_layer, 2); + EXPECT_EQ(sprite2.data.order_in_layer, 1); auto & sprite3 - = entity3.add_component<Sprite>(make_shared<Texture>("../asset/texture/img.png"), - Color(0, 0, 0, 0), FlipSettings{false, false}); - ASSERT_NE(sprite3.sprite_image.get(), nullptr); - sprite3.sorting_in_layer = 1; - sprite3.order_in_layer = 2; - - EXPECT_EQ(sprite3.sorting_in_layer, 1); - EXPECT_EQ(sprite3.order_in_layer, 2); + = entity3.add_component<Sprite>(s3, Sprite::Data{ + .color = Color(0, 0, 0, 0), + .flip = Sprite::FlipSettings{false, false}, + .sorting_in_layer = 1, + .order_in_layer = 2, + }); + EXPECT_EQ(sprite3.data.sorting_in_layer, 1); + EXPECT_EQ(sprite3.data.order_in_layer, 2); auto & sprite4 - = entity4.add_component<Sprite>(make_shared<Texture>("../asset/texture/img.png"), - Color(0, 0, 0, 0), FlipSettings{false, false}); - ASSERT_NE(sprite4.sprite_image.get(), nullptr); - sprite4.sorting_in_layer = 1; - sprite4.order_in_layer = 1; - EXPECT_EQ(sprite4.sorting_in_layer, 1); - EXPECT_EQ(sprite4.order_in_layer, 1); + = entity4.add_component<Sprite>(s4, Sprite::Data{ + .color = Color(0, 0, 0, 0), + .flip = Sprite::FlipSettings{false, false}, + .sorting_in_layer = 1, + .order_in_layer = 1, + }); + EXPECT_EQ(sprite4.data.sorting_in_layer, 1); + EXPECT_EQ(sprite4.data.order_in_layer, 1); } }; -TEST_F(RenderSystemTest, expected_throws) { - GameObject entity1 = this->mgr.new_object("NAME"); - - // no texture img - EXPECT_ANY_THROW({ - entity1.add_component<Sprite>(make_shared<Texture>("NO_IMAGE"), Color(0, 0, 0, 0), - FlipSettings{false, false}); - }); - +TEST_F(RenderSystemTest, NoCamera) { // No camera - EXPECT_ANY_THROW({ this->sys.update(); }); + EXPECT_ANY_THROW({ this->sys.frame_update(); }); } TEST_F(RenderSystemTest, make_sprites) {} @@ -96,32 +103,33 @@ TEST_F(RenderSystemTest, sorting_sprites) { // 3. sorting_in_layer: 2, order_in_layer: 1 (entity2) // 4. sorting_in_layer: 5, order_in_layer: 5 (entity1) - EXPECT_EQ(sorted_sprites[0].get().sorting_in_layer, 1); - EXPECT_EQ(sorted_sprites[0].get().order_in_layer, 1); + EXPECT_EQ(sorted_sprites[0].get().data.sorting_in_layer, 1); + EXPECT_EQ(sorted_sprites[0].get().data.order_in_layer, 1); - EXPECT_EQ(sorted_sprites[1].get().sorting_in_layer, 1); - EXPECT_EQ(sorted_sprites[1].get().order_in_layer, 2); + EXPECT_EQ(sorted_sprites[1].get().data.sorting_in_layer, 1); + EXPECT_EQ(sorted_sprites[1].get().data.order_in_layer, 2); - EXPECT_EQ(sorted_sprites[2].get().sorting_in_layer, 2); - EXPECT_EQ(sorted_sprites[2].get().order_in_layer, 1); + EXPECT_EQ(sorted_sprites[2].get().data.sorting_in_layer, 2); + EXPECT_EQ(sorted_sprites[2].get().data.order_in_layer, 1); - EXPECT_EQ(sorted_sprites[3].get().sorting_in_layer, 5); - EXPECT_EQ(sorted_sprites[3].get().order_in_layer, 5); + EXPECT_EQ(sorted_sprites[3].get().data.sorting_in_layer, 5); + EXPECT_EQ(sorted_sprites[3].get().data.order_in_layer, 5); for (size_t i = 1; i < sorted_sprites.size(); ++i) { const Sprite & prev = sorted_sprites[i - 1].get(); const Sprite & curr = sorted_sprites[i].get(); - if (prev.sorting_in_layer == curr.sorting_in_layer) { - EXPECT_LE(prev.order_in_layer, curr.order_in_layer); + if (prev.data.sorting_in_layer == curr.data.sorting_in_layer) { + EXPECT_LE(prev.data.order_in_layer, curr.data.order_in_layer); } else { - EXPECT_LE(prev.sorting_in_layer, curr.sorting_in_layer); + EXPECT_LE(prev.data.sorting_in_layer, curr.data.sorting_in_layer); } } } TEST_F(RenderSystemTest, Update) { - entity1.add_component<Camera>(Color::WHITE); + entity1.add_component<Camera>(ivec2{100, 100}, vec2{100, 100}, + Camera::Data{.bg_color = Color::WHITE, .zoom = 1.0f}); { vector<reference_wrapper<Sprite>> sprites = this->mgr.get_components_by_type<Sprite>(); ASSERT_EQ(sprites.size(), 4); @@ -131,7 +139,7 @@ TEST_F(RenderSystemTest, Update) { EXPECT_EQ(sprites[2].get().game_object_id, 2); EXPECT_EQ(sprites[3].get().game_object_id, 3); } - this->sys.update(); + this->sys.frame_update(); { vector<reference_wrapper<Sprite>> sprites = this->mgr.get_components_by_type<Sprite>(); ASSERT_EQ(sprites.size(), 4); @@ -149,7 +157,9 @@ TEST_F(RenderSystemTest, Camera) { EXPECT_NE(cameras.size(), 1); } { - entity1.add_component<Camera>(Color::WHITE); + entity1.add_component<Camera>(ivec2{100, 100}, vec2{100, 100}, + Camera::Data{.bg_color = Color::WHITE, .zoom = 1.0f}); + auto cameras = this->mgr.get_components_by_type<Camera>(); EXPECT_EQ(cameras.size(), 1); } @@ -157,18 +167,20 @@ TEST_F(RenderSystemTest, Camera) { //TODO improve with newer version } TEST_F(RenderSystemTest, Color) { - entity1.add_component<Camera>(Color::WHITE); + entity1.add_component<Camera>(ivec2{100, 100}, vec2{100, 100}, + Camera::Data{.bg_color = Color::WHITE, .zoom = 1.0f}); + auto & sprite = this->mgr.get_components_by_id<Sprite>(entity1.id).front().get(); - ASSERT_NE(sprite.sprite_image.get(), nullptr); - - sprite.color = Color::GREEN; - EXPECT_EQ(sprite.color.r, Color::GREEN.r); - EXPECT_EQ(sprite.color.g, Color::GREEN.g); - EXPECT_EQ(sprite.color.b, Color::GREEN.b); - EXPECT_EQ(sprite.color.a, Color::GREEN.a); - this->sys.update(); - EXPECT_EQ(sprite.color.r, Color::GREEN.r); - EXPECT_EQ(sprite.color.g, Color::GREEN.g); - EXPECT_EQ(sprite.color.b, Color::GREEN.b); - EXPECT_EQ(sprite.color.a, Color::GREEN.a); + //ASSERT_NE(sprite.texture.texture.get(), nullptr); + + sprite.data.color = Color::GREEN; + EXPECT_EQ(sprite.data.color.r, Color::GREEN.r); + EXPECT_EQ(sprite.data.color.g, Color::GREEN.g); + EXPECT_EQ(sprite.data.color.b, Color::GREEN.b); + EXPECT_EQ(sprite.data.color.a, Color::GREEN.a); + this->sys.frame_update(); + EXPECT_EQ(sprite.data.color.r, Color::GREEN.r); + EXPECT_EQ(sprite.data.color.g, Color::GREEN.g); + EXPECT_EQ(sprite.data.color.b, Color::GREEN.b); + EXPECT_EQ(sprite.data.color.a, Color::GREEN.a); } diff --git a/src/test/ReplayManagerTest.cpp b/src/test/ReplayManagerTest.cpp new file mode 100644 index 0000000..5ee4b40 --- /dev/null +++ b/src/test/ReplayManagerTest.cpp @@ -0,0 +1,38 @@ +#include <gtest/gtest.h> + +#include <crepe/api/BehaviorScript.h> +#include <crepe/api/Scene.h> +#include <crepe/api/Script.h> +#include <crepe/manager/ReplayManager.h> +#include <crepe/system/ReplaySystem.h> + +using namespace std; +using namespace crepe; +using namespace testing; + +class ReplayManagerTest : public Test { + Mediator mediator; + +public: + ComponentManager component_manager{mediator}; + ReplayManager replay_manager{mediator}; + ReplaySystem replay_system{mediator}; + + GameObject entity = component_manager.new_object("foo"); + Transform & entity_transform + = component_manager.get_components_by_id<Transform>(entity.id).back(); + Metadata & entity_metadata + = component_manager.get_components_by_id<Metadata>(entity.id).back(); +}; + +TEST_F(ReplayManagerTest, Default) { + // replay_manager.record_start(); + + // replay_system.fixed_update(); + // entity_transform.position += {1, 1}; + // replay_system.fixed_update(); + // entity_transform.position += {1, 1}; + // replay_system.fixed_update(); + + // recording_t recording = replay_manager.record_end(); +} diff --git a/src/test/ResourceManagerTest.cpp b/src/test/ResourceManagerTest.cpp new file mode 100644 index 0000000..965eeab --- /dev/null +++ b/src/test/ResourceManagerTest.cpp @@ -0,0 +1,84 @@ +#include "manager/Mediator.h" +#include <gtest/gtest.h> + +#define private public +#define protected public + +#include <crepe/api/GameObject.h> +#include <crepe/manager/ResourceManager.h> +#include <crepe/util/Log.h> + +using namespace std; +using namespace crepe; +using namespace testing; + +class ResourceManagerTest : public Test { + Mediator mediator; + +public: + ResourceManager resource_manager{mediator}; + + class Unrelated : public Resource { + using Resource::Resource; + }; + + Asset asset_a{"asset/texture/img.png"}; + Asset asset_b{"asset/texture/ERROR.png"}; + + class TestResource : public Resource { + public: + static unsigned instances; + + public: + const unsigned instance; + TestResource(const Asset & src, Mediator & mediator) + : Resource(src, mediator), + instance(this->instances++) {} + ~TestResource() { this->instances--; } + bool operator==(const TestResource & other) const { + return this->instance == other.instance; + } + }; + +private: + void SetUp() override { TestResource::instances = 0; } +}; +unsigned ResourceManagerTest::TestResource::instances = 0; + +TEST_F(ResourceManagerTest, Default) { + TestResource & res_1 = resource_manager.get<TestResource>(asset_a); + TestResource & res_2 = resource_manager.get<TestResource>(asset_a); + TestResource & res_3 = resource_manager.get<TestResource>(asset_b); + TestResource & res_4 = resource_manager.get<TestResource>(asset_b); + + ASSERT_EQ(res_1, res_2); + ASSERT_EQ(res_3, res_4); + EXPECT_NE(res_1, res_3); + + EXPECT_EQ(TestResource::instances, 2); + + resource_manager.clear(); +} + +TEST_F(ResourceManagerTest, Persistent) { + resource_manager.set_persistent(asset_a, true); + EXPECT_EQ(TestResource::instances, 0); + + resource_manager.get<TestResource>(asset_a); + resource_manager.get<TestResource>(asset_a); + resource_manager.get<TestResource>(asset_b); + resource_manager.get<TestResource>(asset_b); + EXPECT_EQ(TestResource::instances, 2); + + resource_manager.clear(); + EXPECT_EQ(TestResource::instances, 1); + + resource_manager.clear_all(); + EXPECT_EQ(TestResource::instances, 0); +} + +TEST_F(ResourceManagerTest, UnmatchedType) { + EXPECT_NO_THROW({ resource_manager.get<TestResource>(asset_a); }); + + EXPECT_THROW({ resource_manager.get<Unrelated>(asset_a); }, runtime_error); +} diff --git a/src/test/SaveManagerTest.cpp b/src/test/SaveManagerTest.cpp new file mode 100644 index 0000000..7609e69 --- /dev/null +++ b/src/test/SaveManagerTest.cpp @@ -0,0 +1,51 @@ +#include <gtest/gtest.h> + +#include <crepe/ValueBroker.h> +#include <crepe/facade/DB.h> +#include <crepe/manager/SaveManager.h> + +using namespace std; +using namespace crepe; +using namespace testing; + +class SaveManagerTest : public Test { + Mediator m; + class TestSaveManager : public SaveManager { + using SaveManager::SaveManager; + + // in-memory database for testing + DB db{}; + virtual DB & get_db() override { return this->db; } + }; + +public: + TestSaveManager mgr{m}; +}; + +TEST_F(SaveManagerTest, ReadWrite) { + ASSERT_FALSE(mgr.has("foo")); + mgr.set<string>("foo", "bar"); + ASSERT_TRUE(mgr.has("foo")); + + string value = mgr.get<string>("foo"); + EXPECT_EQ(value, "bar"); +} + +TEST_F(SaveManagerTest, DefaultValue) { + ValueBroker value = mgr.get<int>("foo", 3); + + ASSERT_EQ(value.get(), 3); + value.set(5); + EXPECT_EQ(value.get(), 5); +} + +TEST_F(SaveManagerTest, MultipleKeys) { + ValueBroker foo = mgr.get<int>("foo", 1); + ValueBroker bar = mgr.get<int>("bar", 2); + + EXPECT_EQ(foo.get(), 1); + EXPECT_EQ(bar.get(), 2); + + EXPECT_EQ(mgr.get<int>("foo"), 1); + EXPECT_EQ(mgr.get<int>("bar"), 2); +} diff --git a/src/test/SceneManagerTest.cpp b/src/test/SceneManagerTest.cpp index 1efcfb2..480e07a 100644 --- a/src/test/SceneManagerTest.cpp +++ b/src/test/SceneManagerTest.cpp @@ -1,24 +1,23 @@ -#include <crepe/ComponentManager.h> +#include <gtest/gtest.h> + #include <crepe/api/GameObject.h> #include <crepe/api/Metadata.h> #include <crepe/api/Scene.h> -#include <crepe/api/SceneManager.h> #include <crepe/api/Transform.h> #include <crepe/api/Vector2.h> -#include <gtest/gtest.h> +#include <crepe/manager/ComponentManager.h> +#include <crepe/manager/SceneManager.h> +#include <crepe/types.h> using namespace std; using namespace crepe; class ConcreteScene1 : public Scene { public: - using Scene::Scene; - void load_scene() { - auto & mgr = this->component_manager; - GameObject object1 = mgr.new_object("scene_1", "tag_scene_1", Vector2{0, 0}, 0, 1); - GameObject object2 = mgr.new_object("scene_1", "tag_scene_1", Vector2{1, 0}, 0, 1); - GameObject object3 = mgr.new_object("scene_1", "tag_scene_1", Vector2{2, 0}, 0, 1); + GameObject object1 = new_object("scene_1", "tag_scene_1", vec2{0, 0}, 0, 1); + GameObject object2 = new_object("scene_1", "tag_scene_1", vec2{1, 0}, 0, 1); + GameObject object3 = new_object("scene_1", "tag_scene_1", vec2{2, 0}, 0, 1); } string get_name() const { return "scene1"; } @@ -26,23 +25,36 @@ public: class ConcreteScene2 : public Scene { public: - using Scene::Scene; - void load_scene() { - auto & mgr = this->component_manager; - GameObject object1 = mgr.new_object("scene_2", "tag_scene_2", Vector2{0, 0}, 0, 1); - GameObject object2 = mgr.new_object("scene_2", "tag_scene_2", Vector2{0, 1}, 0, 1); - GameObject object3 = mgr.new_object("scene_2", "tag_scene_2", Vector2{0, 2}, 0, 1); - GameObject object4 = mgr.new_object("scene_2", "tag_scene_2", Vector2{0, 3}, 0, 1); + GameObject object1 = new_object("scene_2", "tag_scene_2", vec2{0, 0}, 0, 1); + GameObject object2 = new_object("scene_2", "tag_scene_2", vec2{0, 1}, 0, 1); + GameObject object3 = new_object("scene_2", "tag_scene_2", vec2{0, 2}, 0, 1); + GameObject object4 = new_object("scene_2", "tag_scene_2", vec2{0, 3}, 0, 1); } string get_name() const { return "scene2"; } }; +class ConcreteScene3 : public Scene { +public: + ConcreteScene3(const string & name) : name(name) {} + + void load_scene() { + GameObject object1 = new_object("scene_3", "tag_scene_3", vec2{0, 0}, 0, 1); + } + + string get_name() const { return name; } + +private: + const string name; +}; + class SceneManagerTest : public ::testing::Test { + Mediator m; + public: - ComponentManager component_mgr{}; - SceneManager scene_mgr{component_mgr}; + ComponentManager component_mgr{m}; + SceneManager scene_mgr{m}; }; TEST_F(SceneManagerTest, loadScene) { @@ -124,3 +136,25 @@ TEST_F(SceneManagerTest, loadScene) { EXPECT_EQ(transform[3].get().position.x, 0); EXPECT_EQ(transform[3].get().position.y, 3); } + +TEST_F(SceneManagerTest, perfectForwarding) { + scene_mgr.add_scene<ConcreteScene3>("scene3"); + + scene_mgr.load_next_scene(); + + vector<reference_wrapper<Metadata>> metadata + = component_mgr.get_components_by_type<Metadata>(); + vector<reference_wrapper<Transform>> transform + = component_mgr.get_components_by_type<Transform>(); + + EXPECT_EQ(metadata.size(), 1); + EXPECT_EQ(transform.size(), 1); + + EXPECT_EQ(metadata[0].get().game_object_id, 0); + EXPECT_EQ(metadata[0].get().name, "scene_3"); + EXPECT_EQ(metadata[0].get().tag, "tag_scene_3"); + EXPECT_EQ(metadata[0].get().parent, -1); + EXPECT_EQ(metadata[0].get().children.size(), 0); + EXPECT_EQ(transform[0].get().position.x, 0); + EXPECT_EQ(transform[0].get().position.y, 0); +} diff --git a/src/test/ScriptECSTest.cpp b/src/test/ScriptECSTest.cpp new file mode 100644 index 0000000..1ec33ba --- /dev/null +++ b/src/test/ScriptECSTest.cpp @@ -0,0 +1,41 @@ +#include <gtest/gtest.h> + +#define protected public + +#include <crepe/api/BehaviorScript.h> +#include <crepe/api/GameObject.h> +#include <crepe/api/Metadata.h> +#include <crepe/api/Script.h> +#include <crepe/manager/ComponentManager.h> +#include <crepe/system/ScriptSystem.h> + +#include "ScriptTest.h" + +using namespace std; +using namespace crepe; +using namespace testing; + +class ScriptECSTest : public ScriptTest { +public: + class TestComponent : public Component { + using Component::Component; + }; +}; + +TEST_F(ScriptECSTest, GetOwnComponent) { + MyScript & script = this->script; + Metadata & metadata = script.get_component<Metadata>(); + + EXPECT_EQ(metadata.name, OBJ_NAME); +} + +TEST_F(ScriptECSTest, GetOwnComponents) { + const unsigned COUNT = 4; + + for (unsigned i = 0; i < COUNT; i++) entity.add_component<TestComponent>(); + + MyScript & script = this->script; + RefVector<TestComponent> components = script.get_components<TestComponent>(); + + EXPECT_EQ(components.size(), COUNT); +} diff --git a/src/test/ScriptEventTest.cpp b/src/test/ScriptEventTest.cpp new file mode 100644 index 0000000..479e3f5 --- /dev/null +++ b/src/test/ScriptEventTest.cpp @@ -0,0 +1,50 @@ +#include <gtest/gtest.h> + +// stupid hack to allow access to private/protected members under test +#define private public +#define protected public + +#include <crepe/api/BehaviorScript.h> +#include <crepe/api/Event.h> +#include <crepe/api/GameObject.h> +#include <crepe/api/Script.h> +#include <crepe/api/Vector2.h> +#include <crepe/manager/ComponentManager.h> +#include <crepe/manager/EventManager.h> +#include <crepe/system/ScriptSystem.h> + +#include "ScriptTest.h" + +using namespace std; +using namespace crepe; +using namespace testing; + +class ScriptEventTest : public ScriptTest { +public: + EventManager & event_manager = mediator.event_manager; + + class MyEvent : public Event {}; +}; + +TEST_F(ScriptEventTest, Default) { + BehaviorScript & behaviorscript = this->behaviorscript; + MyScript & script = this->script; + EventManager & evmgr = this->event_manager; + + unsigned event_count = 0; + script.subscribe<MyEvent>([&](const MyEvent &) { + event_count++; + return true; + }); + + system.fixed_update(); + behaviorscript.active = false; + EXPECT_EQ(0, event_count); + + evmgr.trigger_event<MyEvent>(); + EXPECT_EQ(0, event_count); + + behaviorscript.active = true; + evmgr.trigger_event<MyEvent>(); + EXPECT_EQ(1, event_count); +} diff --git a/src/test/ScriptSaveManagerTest.cpp b/src/test/ScriptSaveManagerTest.cpp new file mode 100644 index 0000000..64403c4 --- /dev/null +++ b/src/test/ScriptSaveManagerTest.cpp @@ -0,0 +1,35 @@ +#include <gtest/gtest.h> + +// stupid hack to allow access to private/protected members under test +#define private public +#define protected public + +#include <crepe/facade/DB.h> +#include <crepe/manager/SaveManager.h> + +#include "ScriptTest.h" + +using namespace std; +using namespace crepe; +using namespace testing; + +class ScriptSaveManagerTest : public ScriptTest { +public: + class TestSaveManager : public SaveManager { + using SaveManager::SaveManager; + + // in-memory database for testing + DB db{}; + virtual DB & get_db() override { return this->db; } + }; + + TestSaveManager save_mgr{mediator}; +}; + +TEST_F(ScriptSaveManagerTest, GetSaveManager) { + MyScript & script = this->script; + + SaveManager & mgr = script.get_save_manager(); + + EXPECT_EQ(&mgr, &save_mgr); +} diff --git a/src/test/ScriptSceneTest.cpp b/src/test/ScriptSceneTest.cpp new file mode 100644 index 0000000..2568049 --- /dev/null +++ b/src/test/ScriptSceneTest.cpp @@ -0,0 +1,30 @@ +#include <gtest/gtest.h> + +// stupid hack to allow access to private/protected members under test +#define private public +#define protected public + +#include "ScriptTest.h" +#include <crepe/manager/SceneManager.h> + +using namespace std; +using namespace crepe; +using namespace testing; + +class ScriptSceneTest : public ScriptTest { +public: + SceneManager scene_manager{mediator}; + + class MyScene : public Scene {}; +}; + +TEST_F(ScriptSceneTest, Default) { + BehaviorScript & behaviorscript = this->behaviorscript; + MyScript & script = this->script; + + const char * non_default_value = "foo"; + ASSERT_NE(non_default_value, scene_manager.next_scene); + + script.set_next_scene(non_default_value); + EXPECT_EQ(non_default_value, scene_manager.next_scene); +} diff --git a/src/test/ScriptTest.cpp b/src/test/ScriptTest.cpp index 78d5061..40aa25c 100644 --- a/src/test/ScriptTest.cpp +++ b/src/test/ScriptTest.cpp @@ -1,129 +1,95 @@ +#include <gmock/gmock.h> #include <gtest/gtest.h> // stupid hack to allow access to private/protected members under test #define private public #define protected public -#include <crepe/ComponentManager.h> -#include <crepe/api/BehaviorScript.h> -#include <crepe/api/Event.h> -#include <crepe/api/EventManager.h> -#include <crepe/api/GameObject.h> -#include <crepe/api/Script.h> -#include <crepe/api/Vector2.h> -#include <crepe/system/ScriptSystem.h> +#include "ScriptTest.h" using namespace std; using namespace crepe; using namespace testing; -class MyEvent : public Event {}; - -class ScriptTest : public Test { -public: - ComponentManager component_manager{}; - ScriptSystem system{component_manager}; - EventManager & event_manager = EventManager::get_instance(); - - class MyScript : public Script { - // NOTE: default (private) visibility of init and update shouldn't cause - // issues! - void init() { - this->init_count++; - - subscribe<MyEvent>([this](const MyEvent &) { - this->event_count++; - return true; - }); - - // init should never be called more than once - EXPECT_LE(this->init_count, 1); - } - void update() { this->update_count++; } - - public: - unsigned init_count = 0; - unsigned update_count = 0; - unsigned event_count = 0; - }; - - OptionalRef<BehaviorScript> behaviorscript; - OptionalRef<MyScript> script; - - void SetUp() override { - auto & mgr = this->component_manager; - GameObject entity = mgr.new_object("name"); - BehaviorScript & component = entity.add_component<BehaviorScript>(); - - this->behaviorscript = component; - ASSERT_TRUE(this->behaviorscript); - EXPECT_EQ(component.script.get(), nullptr); - component.set_script<MyScript>(); - ASSERT_NE(component.script.get(), nullptr); - - this->script = *(MyScript *) component.script.get(); - ASSERT_TRUE(this->script); - - // sanity - MyScript & script = this->script; - ASSERT_EQ(script.init_count, 0); - ASSERT_EQ(script.update_count, 0); - ASSERT_EQ(script.event_count, 0); - } -}; +void ScriptTest::SetUp() { + auto & mgr = this->component_manager; + BehaviorScript & component = entity.add_component<BehaviorScript>(); + + this->behaviorscript = component; + ASSERT_TRUE(this->behaviorscript); + EXPECT_EQ(component.script.get(), nullptr); + component.set_script<NiceMock<MyScript>>(); + ASSERT_NE(component.script.get(), nullptr); + + this->script = *(MyScript *) component.script.get(); + ASSERT_TRUE(this->script); +} TEST_F(ScriptTest, Default) { MyScript & script = this->script; - EXPECT_EQ(0, script.init_count); - EXPECT_EQ(0, script.update_count); - EXPECT_EQ(0, script.event_count); + EXPECT_CALL(script, init()).Times(0); + EXPECT_CALL(script, fixed_update(_)).Times(0); + EXPECT_CALL(script, frame_update(_)).Times(0); } TEST_F(ScriptTest, UpdateOnce) { MyScript & script = this->script; - system.update(); - EXPECT_EQ(1, script.init_count); - EXPECT_EQ(1, script.update_count); - EXPECT_EQ(0, script.event_count); + { + InSequence seq; + + EXPECT_CALL(script, init()).Times(1); + EXPECT_CALL(script, fixed_update(_)).Times(1); + system.fixed_update(); + } + + { + InSequence seq; + + EXPECT_CALL(script, init()).Times(0); + EXPECT_CALL(script, fixed_update(_)).Times(1); + system.fixed_update(); + } + + { + InSequence seq; + + EXPECT_CALL(script, frame_update(_)).Times(1); + system.frame_update(); + } } TEST_F(ScriptTest, UpdateInactive) { BehaviorScript & behaviorscript = this->behaviorscript; MyScript & script = this->script; - behaviorscript.active = false; - system.update(); - EXPECT_EQ(0, script.init_count); - EXPECT_EQ(0, script.update_count); - EXPECT_EQ(0, script.event_count); - - behaviorscript.active = true; - system.update(); - EXPECT_EQ(1, script.init_count); - EXPECT_EQ(1, script.update_count); - EXPECT_EQ(0, script.event_count); + { + InSequence seq; + + EXPECT_CALL(script, init()).Times(0); + EXPECT_CALL(script, fixed_update(_)).Times(0); + behaviorscript.active = false; + system.fixed_update(); + } + + { + InSequence seq; + + EXPECT_CALL(script, init()).Times(1); + EXPECT_CALL(script, fixed_update(_)).Times(1); + behaviorscript.active = true; + system.fixed_update(); + } } -TEST_F(ScriptTest, EventInactive) { - BehaviorScript & behaviorscript = this->behaviorscript; +TEST_F(ScriptTest, SaveManager) { MyScript & script = this->script; - EventManager & evmgr = this->event_manager; - - system.update(); - behaviorscript.active = false; - EXPECT_EQ(1, script.init_count); - EXPECT_EQ(1, script.update_count); - EXPECT_EQ(0, script.event_count); - - evmgr.trigger_event<MyEvent>(); - EXPECT_EQ(1, script.init_count); - EXPECT_EQ(1, script.update_count); - EXPECT_EQ(0, script.event_count); - - behaviorscript.active = true; - evmgr.trigger_event<MyEvent>(); - EXPECT_EQ(1, script.init_count); - EXPECT_EQ(1, script.update_count); - EXPECT_EQ(1, script.event_count); + + EXPECT_EQ(&script.get_save_manager(), &this->save_manager); +} + +TEST_F(ScriptTest, LoopTimerManager) { + MyScript & script = this->script; + + EXPECT_EQ(&script.get_loop_timer(), &this->loop_timer); } diff --git a/src/test/ScriptTest.h b/src/test/ScriptTest.h new file mode 100644 index 0000000..8637df0 --- /dev/null +++ b/src/test/ScriptTest.h @@ -0,0 +1,40 @@ +#pragma once + +#include <gmock/gmock.h> +#include <gtest/gtest.h> + +#include <crepe/api/BehaviorScript.h> +#include <crepe/api/Script.h> +#include <crepe/manager/ComponentManager.h> +#include <crepe/manager/EventManager.h> +#include <crepe/manager/LoopTimerManager.h> +#include <crepe/manager/SaveManager.h> +#include <crepe/system/ScriptSystem.h> + +class ScriptTest : public testing::Test { +protected: + crepe::Mediator mediator; + static constexpr const char * OBJ_NAME = "foo"; + +public: + crepe::ComponentManager component_manager{mediator}; + crepe::ScriptSystem system{mediator}; + crepe::EventManager event_mgr{mediator}; + crepe::LoopTimerManager loop_timer{mediator}; + crepe::SaveManager save_manager{mediator}; + crepe::GameObject entity = component_manager.new_object(OBJ_NAME); + + class MyScript : public crepe::Script { + // NOTE: explicitly stating `public:` is not required on actual scripts + + public: + MOCK_METHOD(void, init, (), (override)); + MOCK_METHOD(void, fixed_update, (crepe::duration_t), (override)); + MOCK_METHOD(void, frame_update, (crepe::duration_t), (override)); + }; + + crepe::OptionalRef<crepe::BehaviorScript> behaviorscript; + crepe::OptionalRef<MyScript> script; + + virtual void SetUp(); +}; diff --git a/src/test/Vector2Test.cpp b/src/test/Vector2Test.cpp new file mode 100644 index 0000000..1e21af9 --- /dev/null +++ b/src/test/Vector2Test.cpp @@ -0,0 +1,532 @@ +#include <gtest/gtest.h> + +#include <crepe/api/Vector2.h> + +using namespace crepe; + +class Vector2Test : public ::testing::Test { +public: + Vector2<int> int_vec1; + Vector2<int> int_vec2; + Vector2<double> double_vec1; + Vector2<double> double_vec2; + Vector2<long> long_vec1; + Vector2<long> long_vec2; + Vector2<float> float_vec1; + Vector2<float> float_vec2; + + void SetUp() override { + int_vec1 = {1, 2}; + int_vec2 = {3, 4}; + double_vec1 = {1.0, 2.0}; + double_vec2 = {3.0, 4.0}; + long_vec1 = {1, 2}; + long_vec2 = {3, 4}; + float_vec1 = {1.0f, 2.0f}; + float_vec2 = {3.0f, 4.0f}; + } +}; + +TEST_F(Vector2Test, Subtract) { + Vector2<int> result = int_vec1 - int_vec2; + EXPECT_EQ(result.x, -2); + EXPECT_EQ(result.y, -2); + + Vector2<double> result2 = double_vec1 - double_vec2; + EXPECT_FLOAT_EQ(result2.x, -2.0); + EXPECT_FLOAT_EQ(result2.y, -2.0); + + Vector2<long> result3 = long_vec1 - long_vec2; + EXPECT_EQ(result3.x, -2); + EXPECT_EQ(result3.y, -2); + + Vector2<float> result4 = float_vec1 - float_vec2; + EXPECT_FLOAT_EQ(result4.x, -2.0f); + EXPECT_FLOAT_EQ(result4.y, -2.0f); +} + +TEST_F(Vector2Test, SubtractScalar) { + Vector2<int> result = int_vec1 - 1; + EXPECT_EQ(result.x, 0); + EXPECT_EQ(result.y, 1); + + Vector2<double> result2 = double_vec1 - 1.0; + EXPECT_FLOAT_EQ(result2.x, 0.0); + EXPECT_FLOAT_EQ(result2.y, 1.0); + + Vector2<long> result3 = long_vec1 - 1; + EXPECT_EQ(result3.x, 0); + EXPECT_EQ(result3.y, 1); + + Vector2<float> result4 = float_vec1 - 1.0f; + EXPECT_FLOAT_EQ(result4.x, 0.0f); + EXPECT_FLOAT_EQ(result4.y, 1.0f); +} + +TEST_F(Vector2Test, Add) { + Vector2<int> result = int_vec1 + int_vec2; + EXPECT_EQ(result.x, 4); + EXPECT_EQ(result.y, 6); + + Vector2<double> result2 = double_vec1 + double_vec2; + EXPECT_FLOAT_EQ(result2.x, 4.0); + EXPECT_FLOAT_EQ(result2.y, 6.0); + + Vector2<long> result3 = long_vec1 + long_vec2; + EXPECT_EQ(result3.x, 4); + EXPECT_EQ(result3.y, 6); + + Vector2<float> result4 = float_vec1 + float_vec2; + EXPECT_FLOAT_EQ(result4.x, 4.0f); + EXPECT_FLOAT_EQ(result4.y, 6.0f); +} + +TEST_F(Vector2Test, AddScalar) { + Vector2<int> result = int_vec1 + 1; + EXPECT_EQ(result.x, 2); + EXPECT_EQ(result.y, 3); + + Vector2<double> result2 = double_vec1 + 1.0; + EXPECT_FLOAT_EQ(result2.x, 2.0); + EXPECT_FLOAT_EQ(result2.y, 3.0); + + Vector2<long> result3 = long_vec1 + 1; + EXPECT_EQ(result3.x, 2); + EXPECT_EQ(result3.y, 3); + + Vector2<float> result4 = float_vec1 + 1.0f; + EXPECT_FLOAT_EQ(result4.x, 2.0f); + EXPECT_FLOAT_EQ(result4.y, 3.0f); +} + +TEST_F(Vector2Test, Multiply) { + Vector2<int> result = int_vec1 * int_vec2; + EXPECT_EQ(result.x, 3); + EXPECT_EQ(result.y, 8); + + Vector2<double> result2 = double_vec1 * double_vec2; + EXPECT_FLOAT_EQ(result2.x, 3.0); + EXPECT_FLOAT_EQ(result2.y, 8.0); + + Vector2<long> result3 = long_vec1 * long_vec2; + EXPECT_EQ(result3.x, 3); + EXPECT_EQ(result3.y, 8); + + Vector2<float> result4 = float_vec1 * float_vec2; + EXPECT_FLOAT_EQ(result4.x, 3.0f); + EXPECT_FLOAT_EQ(result4.y, 8.0f); +} + +TEST_F(Vector2Test, MultiplyScalar) { + Vector2<int> result = int_vec1 * 2; + EXPECT_EQ(result.x, 2); + EXPECT_EQ(result.y, 4); + + Vector2<double> result2 = double_vec1 * 2.0; + EXPECT_FLOAT_EQ(result2.x, 2.0); + EXPECT_FLOAT_EQ(result2.y, 4.0); + + Vector2<long> result3 = long_vec1 * 2; + EXPECT_EQ(result3.x, 2); + EXPECT_EQ(result3.y, 4); + + Vector2<float> result4 = float_vec1 * 2.0f; + EXPECT_FLOAT_EQ(result4.x, 2.0f); + EXPECT_FLOAT_EQ(result4.y, 4.0f); +} + +TEST_F(Vector2Test, Divide) { + Vector2<int> result = int_vec1 / int_vec2; + EXPECT_EQ(result.x, 0); + EXPECT_EQ(result.y, 0); + + Vector2<double> result2 = double_vec1 / double_vec2; + EXPECT_FLOAT_EQ(result2.x, 0.33333333333333331); + EXPECT_FLOAT_EQ(result2.y, 0.5); + + Vector2<long> result3 = long_vec1 / long_vec2; + EXPECT_EQ(result3.x, 0); + EXPECT_EQ(result3.y, 0); + + Vector2<float> result4 = float_vec1 / float_vec2; + EXPECT_FLOAT_EQ(result4.x, 0.333333343f); + EXPECT_FLOAT_EQ(result4.y, 0.5f); +} + +TEST_F(Vector2Test, DivideScalar) { + Vector2<int> result = int_vec1 / 2; + EXPECT_EQ(result.x, 0); + EXPECT_EQ(result.y, 1); + + Vector2<double> result2 = double_vec1 / 2.0; + EXPECT_FLOAT_EQ(result2.x, 0.5); + EXPECT_FLOAT_EQ(result2.y, 1.0); + + Vector2<long> result3 = long_vec1 / 2; + EXPECT_EQ(result3.x, 0); + EXPECT_EQ(result3.y, 1); + + Vector2<float> result4 = float_vec1 / 2.0f; + EXPECT_FLOAT_EQ(result4.x, 0.5f); + EXPECT_FLOAT_EQ(result4.y, 1.0f); +} + +TEST_F(Vector2Test, AddChain) { + Vector2<int> result = int_vec1; + result += int_vec2; + EXPECT_EQ(result.x, 4); + EXPECT_EQ(result.y, 6); + + Vector2<double> result2 = double_vec1; + result2 += double_vec2; + EXPECT_FLOAT_EQ(result2.x, 4.0); + EXPECT_FLOAT_EQ(result2.y, 6.0); + + Vector2<long> result3 = long_vec1; + result3 += long_vec2; + EXPECT_EQ(result3.x, 4); + EXPECT_EQ(result3.y, 6); + + Vector2<float> result4 = float_vec1; + result4 += float_vec2; + EXPECT_FLOAT_EQ(result4.x, 4.0f); + EXPECT_FLOAT_EQ(result4.y, 6.0f); +} + +TEST_F(Vector2Test, AddScalarChain) { + Vector2<int> result = int_vec1; + result += 1; + EXPECT_EQ(result.x, 2); + EXPECT_EQ(result.y, 3); + + Vector2<double> result2 = double_vec1; + result2 += 1.0; + EXPECT_FLOAT_EQ(result2.x, 2.0); + EXPECT_FLOAT_EQ(result2.y, 3.0); + + Vector2<long> result3 = long_vec1; + result3 += 1; + EXPECT_EQ(result3.x, 2); + EXPECT_EQ(result3.y, 3); + + Vector2<float> result4 = float_vec1; + result4 += 1.0f; + EXPECT_FLOAT_EQ(result4.x, 2.0f); + EXPECT_FLOAT_EQ(result4.y, 3.0f); +} + +TEST_F(Vector2Test, SubtractChain) { + Vector2<int> result = int_vec1; + result -= int_vec2; + EXPECT_EQ(result.x, -2); + EXPECT_EQ(result.y, -2); + + Vector2<double> result2 = double_vec1; + result2 -= double_vec2; + EXPECT_FLOAT_EQ(result2.x, -2.0); + EXPECT_FLOAT_EQ(result2.y, -2.0); + + Vector2<long> result3 = long_vec1; + result3 -= long_vec2; + EXPECT_EQ(result3.x, -2); + EXPECT_EQ(result3.y, -2); + + Vector2<float> result4 = float_vec1; + result4 -= float_vec2; + EXPECT_FLOAT_EQ(result4.x, -2.0f); + EXPECT_FLOAT_EQ(result4.y, -2.0f); +} + +TEST_F(Vector2Test, SubtractScalarChain) { + Vector2<int> result = int_vec1; + result -= 1; + EXPECT_EQ(result.x, 0); + EXPECT_EQ(result.y, 1); + + Vector2<double> result2 = double_vec1; + result2 -= 1.0; + EXPECT_FLOAT_EQ(result2.x, 0.0); + EXPECT_FLOAT_EQ(result2.y, 1.0); + + Vector2<long> result3 = long_vec1; + result3 -= 1; + EXPECT_EQ(result3.x, 0); + EXPECT_EQ(result3.y, 1); + + Vector2<float> result4 = float_vec1; + result4 -= 1.0f; + EXPECT_FLOAT_EQ(result4.x, 0.0f); + EXPECT_FLOAT_EQ(result4.y, 1.0f); +} + +TEST_F(Vector2Test, MultiplyChain) { + Vector2<int> result = int_vec1; + result *= int_vec2; + EXPECT_EQ(result.x, 3); + EXPECT_EQ(result.y, 8); + + Vector2<double> result2 = double_vec1; + result2 *= double_vec2; + EXPECT_FLOAT_EQ(result2.x, 3.0); + EXPECT_FLOAT_EQ(result2.y, 8.0); + + Vector2<long> result3 = long_vec1; + result3 *= long_vec2; + EXPECT_EQ(result3.x, 3); + EXPECT_EQ(result3.y, 8); + + Vector2<float> result4 = float_vec1; + result4 *= float_vec2; + EXPECT_FLOAT_EQ(result4.x, 3.0f); + EXPECT_FLOAT_EQ(result4.y, 8.0f); +} + +TEST_F(Vector2Test, MultiplyScalarChain) { + Vector2<int> result = int_vec1; + result *= 2; + EXPECT_EQ(result.x, 2); + EXPECT_EQ(result.y, 4); + + Vector2<double> result2 = double_vec1; + result2 *= 2.0; + EXPECT_FLOAT_EQ(result2.x, 2.0); + EXPECT_FLOAT_EQ(result2.y, 4.0); + + Vector2<long> result3 = long_vec1; + result3 *= 2; + EXPECT_EQ(result3.x, 2); + EXPECT_EQ(result3.y, 4); + + Vector2<float> result4 = float_vec1; + result4 *= 2.0f; + EXPECT_FLOAT_EQ(result4.x, 2.0f); + EXPECT_FLOAT_EQ(result4.y, 4.0f); +} + +TEST_F(Vector2Test, DivideChain) { + Vector2<int> result = int_vec1; + result /= int_vec2; + EXPECT_EQ(result.x, 0); + EXPECT_EQ(result.y, 0); + + Vector2<double> result2 = double_vec1; + result2 /= double_vec2; + EXPECT_FLOAT_EQ(result2.x, 0.33333333333333331); + EXPECT_FLOAT_EQ(result2.y, 0.5); + + Vector2<long> result3 = long_vec1; + result3 /= long_vec2; + EXPECT_EQ(result3.x, 0); + EXPECT_EQ(result3.y, 0); + + Vector2<float> result4 = float_vec1; + result4 /= float_vec2; + EXPECT_FLOAT_EQ(result4.x, 0.333333343f); + EXPECT_FLOAT_EQ(result4.y, 0.5f); +} + +TEST_F(Vector2Test, DivideScalarChain) { + Vector2<int> result = int_vec1; + result /= 2; + EXPECT_EQ(result.x, 0); + EXPECT_EQ(result.y, 1); + + Vector2<double> result2 = double_vec1; + result2 /= 2.0; + EXPECT_FLOAT_EQ(result2.x, 0.5); + EXPECT_FLOAT_EQ(result2.y, 1.0); + + Vector2<long> result3 = long_vec1; + result3 /= 2; + EXPECT_EQ(result3.x, 0); + EXPECT_EQ(result3.y, 1); + + Vector2<float> result4 = float_vec1; + result4 /= 2.0f; + EXPECT_FLOAT_EQ(result4.x, 0.5f); + EXPECT_FLOAT_EQ(result4.y, 1.0f); +} + +TEST_F(Vector2Test, Negatation) { + Vector2<int> result = -int_vec1; + EXPECT_EQ(result.x, -1); + EXPECT_EQ(result.y, -2); + + Vector2<double> result2 = -double_vec1; + EXPECT_FLOAT_EQ(result2.x, -1.0); + EXPECT_FLOAT_EQ(result2.y, -2.0); + + Vector2<long> result3 = -long_vec1; + EXPECT_EQ(result3.x, -1); + EXPECT_EQ(result3.y, -2); + + Vector2<float> result4 = -float_vec1; + EXPECT_FLOAT_EQ(result4.x, -1.0f); + EXPECT_FLOAT_EQ(result4.y, -2.0f); +} + +TEST_F(Vector2Test, Equals) { + EXPECT_TRUE(int_vec1 == int_vec1); + EXPECT_FALSE(int_vec1 == int_vec2); + EXPECT_TRUE(double_vec1 == double_vec1); + EXPECT_FALSE(double_vec1 == double_vec2); + EXPECT_TRUE(long_vec1 == long_vec1); + EXPECT_FALSE(long_vec1 == long_vec2); +} + +TEST_F(Vector2Test, NotEquals) { + EXPECT_FALSE(int_vec1 != int_vec1); + EXPECT_TRUE(int_vec1 != int_vec2); + EXPECT_FALSE(double_vec1 != double_vec1); + EXPECT_TRUE(double_vec1 != double_vec2); + EXPECT_FALSE(long_vec1 != long_vec1); + EXPECT_TRUE(long_vec1 != long_vec2); +} + +TEST_F(Vector2Test, Truncate) { + Vector2<int> vec = {3, 4}; + vec.truncate(3); + EXPECT_EQ(vec.x, 0); + EXPECT_EQ(vec.y, 0); + + Vector2<double> vec2 = {3.0, 4.0}; + vec2.truncate(3.0); + EXPECT_FLOAT_EQ(vec2.x, 1.8); + EXPECT_FLOAT_EQ(vec2.y, 2.4); + + Vector2<long> vec3 = {3, 4}; + vec3.truncate(3); + EXPECT_EQ(vec3.x, 0); + EXPECT_EQ(vec3.y, 0); + + Vector2<float> vec4 = {3.0f, 4.0f}; + vec4.truncate(3.0f); + EXPECT_FLOAT_EQ(vec4.x, 1.8f); + EXPECT_FLOAT_EQ(vec4.y, 2.4f); +} + +TEST_F(Vector2Test, Normalize) { + Vector2<int> vec = {3, 4}; + vec.normalize(); + EXPECT_EQ(vec.x, 0); + EXPECT_EQ(vec.y, 0); + + Vector2<double> vec2 = {3.0, 4.0}; + vec2.normalize(); + EXPECT_FLOAT_EQ(vec2.x, 0.6); + EXPECT_FLOAT_EQ(vec2.y, 0.8); + + Vector2<long> vec3 = {3, 4}; + vec3.normalize(); + EXPECT_EQ(vec3.x, 0); + EXPECT_EQ(vec3.y, 0); + + Vector2<float> vec4 = {3.0f, 4.0f}; + vec4.normalize(); + EXPECT_FLOAT_EQ(vec4.x, 0.6f); + EXPECT_FLOAT_EQ(vec4.y, 0.8f); +} + +TEST_F(Vector2Test, Length) { + Vector2<int> vec = {3, 4}; + EXPECT_EQ(vec.length(), 5); + + Vector2<double> vec2 = {3.0, 4.0}; + EXPECT_FLOAT_EQ(vec2.length(), 5.0); + + Vector2<long> vec3 = {3, 4}; + EXPECT_EQ(vec3.length(), 5); + + Vector2<float> vec4 = {3.0f, 4.0f}; + EXPECT_FLOAT_EQ(vec4.length(), 5.0f); +} + +TEST_F(Vector2Test, LengthSquared) { + Vector2<int> vec = {3, 4}; + EXPECT_EQ(vec.length_squared(), 25); + + Vector2<double> vec2 = {3.0, 4.0}; + EXPECT_FLOAT_EQ(vec2.length_squared(), 25.0); + + Vector2<long> vec3 = {3, 4}; + EXPECT_EQ(vec3.length_squared(), 25); + + Vector2<float> vec4 = {3.0f, 4.0f}; + EXPECT_FLOAT_EQ(vec4.length_squared(), 25.0f); +} + +TEST_F(Vector2Test, Dot) { + Vector2<int> vec1 = {3, 4}; + Vector2<int> vec2 = {5, 6}; + EXPECT_EQ(vec1.dot(vec2), 39); + + Vector2<double> vec3 = {3.0, 4.0}; + Vector2<double> vec4 = {5.0, 6.0}; + EXPECT_FLOAT_EQ(vec3.dot(vec4), 39.0); + + Vector2<long> vec5 = {3, 4}; + Vector2<long> vec6 = {5, 6}; + EXPECT_EQ(vec5.dot(vec6), 39); + + Vector2<float> vec7 = {3.0f, 4.0f}; + Vector2<float> vec8 = {5.0f, 6.0f}; + EXPECT_FLOAT_EQ(vec7.dot(vec8), 39.0f); +} + +TEST_F(Vector2Test, Distance) { + Vector2<int> vec1 = {1, 1}; + Vector2<int> vec2 = {4, 5}; + EXPECT_EQ(vec1.distance(vec2), 5); + + Vector2<double> vec3 = {1.0, 1.0}; + Vector2<double> vec4 = {4.0, 5.0}; + EXPECT_FLOAT_EQ(vec3.distance(vec4), 5.0); + + Vector2<long> vec5 = {1, 1}; + Vector2<long> vec6 = {4, 5}; + EXPECT_EQ(vec5.distance(vec6), 5); + + Vector2<float> vec7 = {1.0f, 1.0f}; + Vector2<float> vec8 = {4.0f, 5.0f}; + EXPECT_FLOAT_EQ(vec7.distance(vec8), 5.0f); +} + +TEST_F(Vector2Test, DistanceSquared) { + Vector2<int> vec1 = {3, 4}; + Vector2<int> vec2 = {5, 6}; + EXPECT_EQ(vec1.distance_squared(vec2), 8); + + Vector2<double> vec3 = {3.0, 4.0}; + Vector2<double> vec4 = {5.0, 6.0}; + EXPECT_FLOAT_EQ(vec3.distance_squared(vec4), 8.0); + + Vector2<long> vec5 = {3, 4}; + Vector2<long> vec6 = {5, 6}; + EXPECT_EQ(vec5.distance_squared(vec6), 8); + + Vector2<float> vec7 = {3.0f, 4.0f}; + Vector2<float> vec8 = {5.0f, 6.0f}; + EXPECT_FLOAT_EQ(vec7.distance_squared(vec8), 8.0f); +} + +TEST_F(Vector2Test, Perpendicular) { + Vector2<int> vec = {3, 4}; + Vector2<int> result = vec.perpendicular(); + EXPECT_EQ(result.x, -4); + EXPECT_EQ(result.y, 3); + + Vector2<double> vec2 = {3.0, 4.0}; + Vector2<double> result2 = vec2.perpendicular(); + EXPECT_FLOAT_EQ(result2.x, -4.0); + EXPECT_FLOAT_EQ(result2.y, 3.0); + + Vector2<long> vec3 = {3, 4}; + Vector2<long> result3 = vec3.perpendicular(); + EXPECT_EQ(result3.x, -4); + EXPECT_EQ(result3.y, 3); + + Vector2<float> vec4 = {3.0f, 4.0f}; + Vector2<float> result4 = vec4.perpendicular(); + EXPECT_FLOAT_EQ(result4.x, -4.0f); + EXPECT_FLOAT_EQ(result4.y, 3.0f); +} diff --git a/src/test/main.cpp b/src/test/main.cpp index 241015d..0e1bc75 100644 --- a/src/test/main.cpp +++ b/src/test/main.cpp @@ -1,15 +1,29 @@ -#include <crepe/api/Config.h> - #include <gtest/gtest.h> +#include <crepe/api/Config.h> + using namespace crepe; using namespace testing; +class GlobalConfigReset : public EmptyTestEventListener { +public: + Config & cfg = Config::get_instance(); + + // This function is called before each test + void OnTestStart(const TestInfo &) override { + cfg = { + .log = { + .level = Log::Level::WARNING, + }, + }; + } +}; + int main(int argc, char ** argv) { InitGoogleTest(&argc, argv); - auto & cfg = Config::get_instance(); - cfg.log.level = Log::Level::ERROR; + UnitTest & ut = *UnitTest::GetInstance(); + ut.listeners().Append(new GlobalConfigReset); return RUN_ALL_TESTS(); } |
