diff options
Diffstat (limited to 'src/crepe')
45 files changed, 316 insertions, 215 deletions
diff --git a/src/crepe/Collider.cpp b/src/crepe/Collider.cpp index bbec488..113ba61 100644 --- a/src/crepe/Collider.cpp +++ b/src/crepe/Collider.cpp @@ -1,5 +1,3 @@ #include "Collider.h" using namespace crepe; - -Collider::Collider(game_object_id_t id) : Component(id) {} diff --git a/src/crepe/Collider.h b/src/crepe/Collider.h index 827f83d..a1e9095 100644 --- a/src/crepe/Collider.h +++ b/src/crepe/Collider.h @@ -6,7 +6,7 @@ namespace crepe { class Collider : public Component { public: - Collider(game_object_id_t id); + using Component::Component; int size; }; diff --git a/src/crepe/Component.cpp b/src/crepe/Component.cpp index 73c2d07..acfd35c 100644 --- a/src/crepe/Component.cpp +++ b/src/crepe/Component.cpp @@ -1,5 +1,4 @@ #include "Component.h" -#include "types.h" using namespace crepe; diff --git a/src/crepe/Component.h b/src/crepe/Component.h index 0fe60b2..12c10cb 100644 --- a/src/crepe/Component.h +++ b/src/crepe/Component.h @@ -2,8 +2,6 @@ #include "types.h" -#include <cstdint> - namespace crepe { class ComponentManager; @@ -15,16 +13,21 @@ class ComponentManager; * interface for all components. */ class Component { +public: + //! Whether the component is active + bool active = true; + //! The id of the GameObject this component belongs to + const game_object_id_t game_object_id; + protected: - //! Only the ComponentManager can create components - friend class crepe::ComponentManager; /** * \param id The id of the GameObject this component belongs to */ Component(game_object_id_t id); + //! Only the ComponentManager can create components + friend class ComponentManager; public: - virtual ~Component() = default; /** * \brief Get the maximum number of instances for this component * @@ -35,12 +38,6 @@ public: * \return The maximum number of instances for this component */ virtual int get_instances_max() const { return -1; } - -public: - //! The id of the GameObject this component belongs to - const game_object_id_t game_object_id; - //! Whether the component is active - bool active = true; }; } // namespace crepe diff --git a/src/crepe/ComponentManager.cpp b/src/crepe/ComponentManager.cpp index 7123905..c6b658c 100644 --- a/src/crepe/ComponentManager.cpp +++ b/src/crepe/ComponentManager.cpp @@ -1,13 +1,10 @@ +#include "api/GameObject.h" #include "util/Log.h" #include "ComponentManager.h" using namespace crepe; - -ComponentManager & ComponentManager::get_instance() { - static ComponentManager instance; - return instance; -} +using namespace std; void ComponentManager::delete_all_components_of_id(game_object_id_t id) { // Loop through all the types (in the unordered_map<>) @@ -26,5 +23,15 @@ void ComponentManager::delete_all_components() { } ComponentManager::ComponentManager() { dbg_trace(); } - ComponentManager::~ComponentManager() { dbg_trace(); } + +GameObject & ComponentManager::new_object(const string & name, + const string & tag, + const Vector2 & position, + double rotation, double scale) { + GameObject * object = new GameObject(*this, this->next_id, name, tag, + position, rotation, scale); + this->objects.push_front(unique_ptr<GameObject>(object)); + this->next_id++; + return *object; +} diff --git a/src/crepe/ComponentManager.h b/src/crepe/ComponentManager.h index c8c196c..75606e0 100644 --- a/src/crepe/ComponentManager.h +++ b/src/crepe/ComponentManager.h @@ -1,15 +1,18 @@ #pragma once -#include <cstdint> +#include <forward_list> #include <memory> #include <typeindex> #include <unordered_map> #include <vector> #include "Component.h" +#include "api/Vector2.h" namespace crepe { +class GameObject; + /** * \brief Manages all components * @@ -18,18 +21,10 @@ namespace crepe { */ class ComponentManager { public: - /** - * \brief Get the instance of the ComponentManager - * - * \return The instance of the ComponentManager - */ - static ComponentManager & get_instance(); - ComponentManager(const ComponentManager &) = delete; - ComponentManager(ComponentManager &&) = delete; - ComponentManager & operator=(const ComponentManager &) = delete; - ComponentManager & operator=(ComponentManager &&) = delete; - ~ComponentManager(); + ComponentManager(); // dbg_trace + ~ComponentManager(); // dbg_trace +protected: /** * \brief Add a component to the ComponentManager * @@ -44,6 +39,11 @@ public: */ template <typename T, typename... Args> T & add_component(game_object_id_t id, Args &&... args); + //! GameObject is used as an interface to add components instead of the + // component manager directly + friend class GameObject; + +public: /** * \brief Delete all components of a specific type and id * @@ -100,8 +100,11 @@ public: template <typename T> std::vector<std::reference_wrapper<T>> get_components_by_type() const; -private: - ComponentManager(); + // TODO: doxygen + GameObject & new_object(const std::string & name, + const std::string & tag = "", + const Vector2 & position = {0, 0}, + double rotation = 0, double scale = 0); private: /** @@ -118,6 +121,10 @@ private: std::unordered_map<std::type_index, std::vector<std::vector<std::unique_ptr<Component>>>> components; + + //! ID of next GameObject + game_object_id_t next_id = 0; + std::forward_list<std::unique_ptr<GameObject>> objects; }; } // namespace crepe diff --git a/src/crepe/api/Animator.cpp b/src/crepe/api/Animator.cpp index 863dce6..54b2ec3 100644 --- a/src/crepe/api/Animator.cpp +++ b/src/crepe/api/Animator.cpp @@ -9,7 +9,8 @@ using namespace crepe; -Animator::Animator(uint32_t id, Sprite & ss, int row, int col, int col_animator) +Animator::Animator(game_object_id_t id, Sprite & ss, int row, int col, + int col_animator) : Component(id), spritesheet(ss), row(row), diff --git a/src/crepe/api/Animator.h b/src/crepe/api/Animator.h index def0240..75b8139 100644 --- a/src/crepe/api/Animator.h +++ b/src/crepe/api/Animator.h @@ -6,6 +6,7 @@ #include "Sprite.h" namespace crepe { + class AnimatorSystem; class SDLContext; @@ -35,7 +36,7 @@ public: * * 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, + Animator(game_object_id_t id, Sprite & spritesheet, int row, int col, int col_animate); ~Animator(); // dbg_trace diff --git a/src/crepe/api/AssetManager.h b/src/crepe/api/AssetManager.h index dbfaef3..86a9902 100644 --- a/src/crepe/api/AssetManager.h +++ b/src/crepe/api/AssetManager.h @@ -56,7 +56,8 @@ public: * cache. */ template <typename T> - std::shared_ptr<T> cache(const std::string & file_path, bool reload = false); + std::shared_ptr<T> cache(const std::string & file_path, + bool reload = false); }; } // namespace crepe diff --git a/src/crepe/api/BehaviorScript.cpp b/src/crepe/api/BehaviorScript.cpp index e69de29..7bbace0 100644 --- a/src/crepe/api/BehaviorScript.cpp +++ b/src/crepe/api/BehaviorScript.cpp @@ -0,0 +1,15 @@ +#include "BehaviorScript.h" +#include "Component.h" +#include "GameObject.h" + +using namespace crepe; + +BehaviorScript::BehaviorScript(game_object_id_t id, ComponentManager & mgr) + : Component(id), + component_manager(mgr) {} + +template <> +BehaviorScript & GameObject::add_component<BehaviorScript>() { + ComponentManager & mgr = this->component_manager; + return mgr.add_component<BehaviorScript>(this->id, mgr); +} diff --git a/src/crepe/api/BehaviorScript.h b/src/crepe/api/BehaviorScript.h index 4160a72..2982358 100644 --- a/src/crepe/api/BehaviorScript.h +++ b/src/crepe/api/BehaviorScript.h @@ -3,6 +3,7 @@ #include <memory> #include "../Component.h" +#include "GameObject.h" namespace crepe { @@ -19,22 +20,52 @@ class Script; */ class BehaviorScript : public Component { protected: - friend class crepe::ComponentManager; - using Component::Component; + BehaviorScript(game_object_id_t id, ComponentManager & component_manager); + //! Only ComponentManager is allowed to instantiate BehaviorScript + friend class ComponentManager; public: ~BehaviorScript() = default; public: + /** + * \brief Set the concrete script of this component + * + * \tparam T Concrete script type (derived from \c crepe::Script) + * + * \returns Reference to BehaviorScript component (`*this`) + */ template <class T> BehaviorScript & set_script(); protected: - friend class crepe::ScriptSystem; + //! ScriptSystem needs direct access to the script instance + friend class ScriptSystem; + //! Flag to indicate if script->init() has been called already + bool initialized = false; //! Script instance std::unique_ptr<Script> script = nullptr; + //! Reference to component manager + ComponentManager & component_manager; + +private: + //! Script accesses the component manager directly via its parent + // (BehaviorScript) reference + friend class Script; }; +/** + * \brief Add a BehaviorScript component to this game object + * + * The \c BehaviorScript class is the only exception to the ECS harmony, and + * requires a reference to the component manager passed to its constructor in + * order to function normally. This is because the \c BehaviorScript (and \c + * Script) classes are the only component-related classes that store + * implemented member functions as data. + */ +template <> +BehaviorScript & GameObject::add_component<BehaviorScript>(); + } // namespace crepe #include "BehaviorScript.hpp" diff --git a/src/crepe/api/BehaviorScript.hpp b/src/crepe/api/BehaviorScript.hpp index bc157fd..eec26da 100644 --- a/src/crepe/api/BehaviorScript.hpp +++ b/src/crepe/api/BehaviorScript.hpp @@ -11,10 +11,11 @@ namespace crepe { template <class T> BehaviorScript & BehaviorScript::set_script() { - static_assert(std::is_base_of<Script, T>::value); dbg_trace(); + static_assert(std::is_base_of<Script, T>::value); Script * s = new T(); - s->parent = this; + s->parent_ref = this; + s->component_manager_ref = &this->component_manager; this->script = std::unique_ptr<Script>(s); return *this; } diff --git a/src/crepe/api/Camera.cpp b/src/crepe/api/Camera.cpp index 6f0deb1..5835bdd 100644 --- a/src/crepe/api/Camera.cpp +++ b/src/crepe/api/Camera.cpp @@ -1,6 +1,3 @@ - -#include <cstdint> - #include "util/Log.h" #include "Camera.h" @@ -9,7 +6,7 @@ using namespace crepe; -Camera::Camera(uint32_t id, const Color & bg_color) +Camera::Camera(game_object_id_t id, const Color & bg_color) : Component(id), bg_color(bg_color) { dbg_trace(); diff --git a/src/crepe/api/Camera.h b/src/crepe/api/Camera.h index ba3a9ef..d8c08a6 100644 --- a/src/crepe/api/Camera.h +++ b/src/crepe/api/Camera.h @@ -23,7 +23,7 @@ public: * \param id Unique identifier for the camera component. * \param bg_color Background color for the camera view. */ - Camera(uint32_t id, const Color & bg_color); + Camera(game_object_id_t id, const Color & bg_color); ~Camera(); // dbg_trace only public: diff --git a/src/crepe/api/GameObject.cpp b/src/crepe/api/GameObject.cpp index d252e77..4f3c639 100644 --- a/src/crepe/api/GameObject.cpp +++ b/src/crepe/api/GameObject.cpp @@ -1,23 +1,27 @@ #include "api/Transform.h" +#include "BehaviorScript.h" #include "GameObject.h" #include "Metadata.h" using namespace crepe; using namespace std; -GameObject::GameObject(game_object_id_t id, const std::string & name, +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) - : id(id) { + : id(id), + component_manager(component_manager) { + // Add Transform and Metadata components - ComponentManager & mgr = ComponentManager::get_instance(); + ComponentManager & mgr = this->component_manager; mgr.add_component<Transform>(this->id, position, rotation, scale); mgr.add_component<Metadata>(this->id, name, tag); } void GameObject::set_parent(const GameObject & parent) { - ComponentManager & mgr = ComponentManager::get_instance(); + ComponentManager & mgr = this->component_manager; // Set parent on own Metadata component vector<reference_wrapper<Metadata>> this_metadata diff --git a/src/crepe/api/GameObject.h b/src/crepe/api/GameObject.h index d703730..73ff0b8 100644 --- a/src/crepe/api/GameObject.h +++ b/src/crepe/api/GameObject.h @@ -2,11 +2,12 @@ #include <string> +#include "Vector2.h" #include "types.h" namespace crepe { -class Vector2; +class ComponentManager; /** * \brief Represents a GameObject @@ -16,11 +17,12 @@ class Vector2; * done in the ComponentManager. */ class GameObject { -public: +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 id The id of the GameObject * \param name The name of the GameObject * \param tag The tag of the GameObject @@ -28,9 +30,13 @@ public: * \param rotation The rotation of the GameObject * \param scale The scale of the GameObject */ - GameObject(game_object_id_t id, const std::string & name, - const std::string & tag, const Vector2 & position, - double rotation, double scale); + GameObject(ComponentManager & component_manager, game_object_id_t id, + const std::string & name, const std::string & tag, + const Vector2 & position, double rotation, double scale); + //! ComponentManager instances GameObject + friend class ComponentManager; + +public: /** * \brief Set the parent of this GameObject * @@ -58,6 +64,9 @@ public: public: //! The id of the GameObject const game_object_id_t id; + +protected: + ComponentManager & component_manager; }; } // namespace crepe diff --git a/src/crepe/api/GameObject.hpp b/src/crepe/api/GameObject.hpp index bfba7fe..17b17d7 100644 --- a/src/crepe/api/GameObject.hpp +++ b/src/crepe/api/GameObject.hpp @@ -8,7 +8,7 @@ namespace crepe { template <typename T, typename... Args> T & GameObject::add_component(Args &&... args) { - ComponentManager & mgr = ComponentManager::get_instance(); + ComponentManager & mgr = this->component_manager; return mgr.add_component<T>(this->id, std::forward<Args>(args)...); } diff --git a/src/crepe/api/LoopManager.cpp b/src/crepe/api/LoopManager.cpp index 2e9823f..f0788ab 100644 --- a/src/crepe/api/LoopManager.cpp +++ b/src/crepe/api/LoopManager.cpp @@ -1,5 +1,9 @@ - #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" @@ -7,11 +11,25 @@ #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>(); +} + +ComponentManager & LoopManager::get_component_manager() { + return this->component_manager; +} -LoopManager::LoopManager() {} void LoopManager::process_input() { SDLContext::get_instance().handle_events(this->game_running); } + void LoopManager::start() { this->setup(); this->loop(); @@ -48,7 +66,7 @@ void LoopManager::setup() { void LoopManager::render() { if (this->game_running) { - RenderSystem::get_instance().update(); + this->get_system<RenderSystem>().update(); } } diff --git a/src/crepe/api/LoopManager.h b/src/crepe/api/LoopManager.h index 2f03193..288dca2 100644 --- a/src/crepe/api/LoopManager.h +++ b/src/crepe/api/LoopManager.h @@ -2,15 +2,9 @@ #include <memory> -class RenderSystem; -class SDLContext; -class LoopTimer; -class ScriptSystem; -class SoundSystem; -class ParticleSystem; -class PhysicsSystem; -class AnimatorSystem; -class CollisionSystem; +#include "../ComponentManager.h" +#include "../system/System.h" + namespace crepe { class LoopManager { @@ -73,7 +67,21 @@ private: void render(); bool game_running = false; - //#TODO add system instances + +protected: + ComponentManager & get_component_manager(); + template <class T> + T & get_system(); + +private: + ComponentManager component_manager{}; + std::unordered_map<std::type_index, std::unique_ptr<System>> systems; + +private: + template <class T> + void load_system(); }; } // namespace crepe + +#include "LoopManager.hpp" diff --git a/src/crepe/api/LoopManager.hpp b/src/crepe/api/LoopManager.hpp new file mode 100644 index 0000000..8fb9aa3 --- /dev/null +++ b/src/crepe/api/LoopManager.hpp @@ -0,0 +1,40 @@ +#pragma once + +#include <cassert> +#include <memory> + +#include "../Exception.h" +#include "../system/System.h" + +#include "LoopManager.h" + +namespace crepe { + +template <class T> +T & LoopManager::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 Exception("LoopManager: %s is not initialized", type.name()); + + System * system = this->systems.at(type).get(); + T * concrete_system = dynamic_cast<T *>(system); + assert(concrete_system != nullptr); + + return *concrete_system; +} + +template <class T> +void LoopManager::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); +} + +} // namespace crepe diff --git a/src/crepe/api/Rigidbody.cpp b/src/crepe/api/Rigidbody.cpp index 3bf1c5b..6b87695 100644 --- a/src/crepe/api/Rigidbody.cpp +++ b/src/crepe/api/Rigidbody.cpp @@ -2,8 +2,8 @@ using namespace crepe; -crepe::Rigidbody::Rigidbody(uint32_t game_object_id, const Data & data) - : Component(game_object_id), +crepe::Rigidbody::Rigidbody(game_object_id_t id, const Data & data) + : Component(id), data(data) {} void crepe::Rigidbody::add_force_linear(const Vector2 & force) { diff --git a/src/crepe/api/Rigidbody.h b/src/crepe/api/Rigidbody.h index 68481f4..2e20288 100644 --- a/src/crepe/api/Rigidbody.h +++ b/src/crepe/api/Rigidbody.h @@ -82,7 +82,7 @@ public: * \param game_object_id id of the gameobject the rigibody is added to. * \param data struct to configure the rigidbody. */ - Rigidbody(uint32_t game_object_id, const Data & data); + Rigidbody(game_object_id_t id, const Data & data); //! struct to hold data of rigidbody Data data; diff --git a/src/crepe/api/SceneManager.cpp b/src/crepe/api/SceneManager.cpp index dfed6ee..4a38787 100644 --- a/src/crepe/api/SceneManager.cpp +++ b/src/crepe/api/SceneManager.cpp @@ -8,10 +8,7 @@ using namespace crepe; using namespace std; -SceneManager & SceneManager::get_instance() { - static SceneManager instance; - return instance; -} +SceneManager::SceneManager(ComponentManager & mgr) : component_manager(mgr) {} void SceneManager::set_next_scene(const string & name) { next_scene = name; } @@ -30,7 +27,7 @@ void SceneManager::load_next_scene() { unique_ptr<Scene> & scene = *it; // Delete all components of the current scene - ComponentManager & mgr = ComponentManager::get_instance(); + ComponentManager & mgr = this->component_manager; mgr.delete_all_components(); // Load the new scene diff --git a/src/crepe/api/SceneManager.h b/src/crepe/api/SceneManager.h index 1e0e670..553194f 100644 --- a/src/crepe/api/SceneManager.h +++ b/src/crepe/api/SceneManager.h @@ -8,14 +8,12 @@ namespace crepe { +class ComponentManager; + class SceneManager { public: - // Singleton - static SceneManager & get_instance(); - SceneManager(const SceneManager &) = delete; - SceneManager(SceneManager &&) = delete; - SceneManager & operator=(const SceneManager &) = delete; - SceneManager & operator=(SceneManager &&) = delete; + SceneManager(ComponentManager & mgr); + virtual ~SceneManager() = default; public: /** @@ -38,11 +36,11 @@ public: void load_next_scene(); private: - SceneManager() = default; - -private: std::vector<std::unique_ptr<Scene>> scenes; std::string next_scene; + +protected: + ComponentManager & component_manager; }; } // namespace crepe diff --git a/src/crepe/api/Script.h b/src/crepe/api/Script.h index e6fbb5c..68a46d7 100644 --- a/src/crepe/api/Script.h +++ b/src/crepe/api/Script.h @@ -6,6 +6,7 @@ namespace crepe { class ScriptSystem; class BehaviorScript; +class ComponentManager; /** * \brief Script interface @@ -14,6 +15,7 @@ class BehaviorScript; * added to game objects using the \c BehaviorScript component. */ class Script { + //! ScriptSystem calls \c update() friend class crepe::ScriptSystem; protected: @@ -61,9 +63,19 @@ protected: template <typename T> std::vector<std::reference_wrapper<T>> get_components() const; +protected: + // NOTE: Script must have a constructor without arguments so the game + // programmer doesn't need to manually add `using Script::Script` to their + // concrete script class. + Script() = default; + //! Only \c BehaviorScript instantiates Script + friend class BehaviorScript; + private: - friend class crepe::BehaviorScript; - BehaviorScript * parent = nullptr; + // These references are set by BehaviorScript immediately after calling the + // constructor of Script. + BehaviorScript * parent_ref = nullptr; + ComponentManager * component_manager_ref = nullptr; }; } // namespace crepe diff --git a/src/crepe/api/Script.hpp b/src/crepe/api/Script.hpp index 7ec3ebe..aceb38b 100644 --- a/src/crepe/api/Script.hpp +++ b/src/crepe/api/Script.hpp @@ -21,8 +21,10 @@ T & Script::get_component() const { template <typename T> std::vector<std::reference_wrapper<T>> Script::get_components() const { - ComponentManager & mgr = ComponentManager::get_instance(); - return mgr.get_components_by_id<T>(this->parent->game_object_id); + auto & parent = *this->parent_ref; + auto & mgr = *this->component_manager_ref; + + return mgr.get_components_by_id<T>(parent.game_object_id); } } // namespace crepe diff --git a/src/crepe/api/Transform.h b/src/crepe/api/Transform.h index 756e45b..902dafa 100644 --- a/src/crepe/api/Transform.h +++ b/src/crepe/api/Transform.h @@ -14,28 +14,26 @@ namespace crepe { */ class Transform : public Component { public: + //! Translation (shift) + Vector2 position = {0, 0}; + //! Rotation, in degrees + double rotation = 0; + //! Multiplication factor + double scale = 0; + +protected: /** * \param id The id of the GameObject this component belongs to * \param point The position of the GameObject * \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); - /** - * \brief Get the maximum number of instances for this component - * - * \return The maximum number of instances for this component - */ + Transform(game_object_id_t id, const Vector2 & point, double rotation = 0, + double scale = 0); + //! There is always exactly one transform component per entity virtual int get_instances_max() const { return 1; } - -public: - //! Translation (shift) - Vector2 position; - //! Rotation, in degrees - double rotation; - //! Multiplication factor - double scale; + //! ComponentManager instantiates all components + friend class ComponentManager; }; } // namespace crepe diff --git a/src/crepe/api/Vector2.cpp b/src/crepe/api/Vector2.cpp index 09bb59b..7da202a 100644 --- a/src/crepe/api/Vector2.cpp +++ b/src/crepe/api/Vector2.cpp @@ -1,57 +1,43 @@ #include "Vector2.h" -namespace crepe { +using namespace crepe; -// Constructor with initial values -Vector2::Vector2(float x, float y) : x(x), y(y) {} - -// Subtracts another vector from this vector and returns the result. Vector2 Vector2::operator-(const Vector2 & other) const { return {x - other.x, y - other.y}; } -// Adds another vector to this vector and returns the result. Vector2 Vector2::operator+(const Vector2 & other) const { return {x + other.x, y + other.y}; } -// Multiplies this vector by a scalar and returns the result. Vector2 Vector2::operator*(float scalar) const { return {x * scalar, y * scalar}; } -// Multiplies this vector by another vector element-wise and updates this vector. Vector2 & Vector2::operator*=(const Vector2 & other) { x *= other.x; y *= other.y; return *this; } -// Adds another vector to this vector and updates this vector. Vector2 & Vector2::operator+=(const Vector2 & other) { x += other.x; y += other.y; return *this; } -// Adds a scalar value to both components of this vector and updates this vector. Vector2 & Vector2::operator+=(float other) { x += other; y += other; return *this; } -// Returns the negation of this vector. Vector2 Vector2::operator-() const { return {-x, -y}; } -// Checks if this vector is equal to another vector. bool Vector2::operator==(const Vector2 & other) const { return x == other.x && y == other.y; } -// Checks if this vector is not equal to another vector. bool Vector2::operator!=(const Vector2 & other) const { return !(*this == other); } - -} // namespace crepe diff --git a/src/crepe/api/Vector2.h b/src/crepe/api/Vector2.h index 741951b..a069a57 100644 --- a/src/crepe/api/Vector2.h +++ b/src/crepe/api/Vector2.h @@ -2,19 +2,12 @@ namespace crepe { -//! Vector2 class -class Vector2 { -public: +//! 2D vector +struct Vector2 { //! X component of the vector - float x; + float x = 0; //! Y component of the vector - float y; - - //! Default constructor - Vector2() = default; - - //! Constructor with initial values - Vector2(float x, float y); + float y = 0; //! Subtracts another vector from this vector and returns the result. Vector2 operator-(const Vector2 & other) const; diff --git a/src/crepe/facade/SDLContext.cpp b/src/crepe/facade/SDLContext.cpp index aa15ef6..a68d940 100644 --- a/src/crepe/facade/SDLContext.cpp +++ b/src/crepe/facade/SDLContext.cpp @@ -159,7 +159,7 @@ SDLContext::texture_from_path(const std::string & path) { SDL_Surface * tmp = IMG_Load(path.c_str()); if (tmp == nullptr) { - tmp = IMG_Load("../asset/texture/ERROR.png"); + tmp = IMG_Load("../asset/texture/ERROR.png"); } std::unique_ptr<SDL_Surface, std::function<void(SDL_Surface *)>> diff --git a/src/crepe/system/AnimatorSystem.cpp b/src/crepe/system/AnimatorSystem.cpp index 1c101fa..9d18873 100644 --- a/src/crepe/system/AnimatorSystem.cpp +++ b/src/crepe/system/AnimatorSystem.cpp @@ -1,27 +1,17 @@ - #include <cstdint> #include <functional> #include <vector> #include "api/Animator.h" #include "facade/SDLContext.h" -#include "util/Log.h" #include "AnimatorSystem.h" #include "ComponentManager.h" using namespace crepe; -AnimatorSystem::AnimatorSystem() { dbg_trace(); } -AnimatorSystem::~AnimatorSystem() { dbg_trace(); } - -AnimatorSystem & AnimatorSystem::get_instance() { - static AnimatorSystem instance; - return instance; -} - void AnimatorSystem::update() { - ComponentManager & mgr = ComponentManager::get_instance(); + ComponentManager & mgr = this->component_manager; std::vector<std::reference_wrapper<Animator>> animations = mgr.get_components_by_type<Animator>(); diff --git a/src/crepe/system/AnimatorSystem.h b/src/crepe/system/AnimatorSystem.h index 969e9d1..aa97084 100644 --- a/src/crepe/system/AnimatorSystem.h +++ b/src/crepe/system/AnimatorSystem.h @@ -17,16 +17,7 @@ namespace crepe { class AnimatorSystem : public System { public: - /** - * \brief Retrieves the singleton instance of the AnimatorSystem. - * - * \return A reference to the single instance of the AnimatorSystem. - * - * This method ensures that there is only one instance of the AnimatorSystem, following the - * singleton design pattern. It can be used to access the system globally. - */ - static AnimatorSystem & get_instance(); - + using System::System; /** * \brief Updates the Animator components. * @@ -34,11 +25,7 @@ public: * Animator components, moving the animations forward and managing their behavior (e.g., looping). */ void update() override; - -private: - // private because singleton - AnimatorSystem(); // dbg_trace - ~AnimatorSystem(); // dbg_trace + // FIXME: never say "likely" in the documentation lmao }; } // namespace crepe diff --git a/src/crepe/system/CMakeLists.txt b/src/crepe/system/CMakeLists.txt index 4c18b87..d658b25 100644 --- a/src/crepe/system/CMakeLists.txt +++ b/src/crepe/system/CMakeLists.txt @@ -1,4 +1,5 @@ target_sources(crepe PUBLIC + System.cpp ParticleSystem.cpp ScriptSystem.cpp PhysicsSystem.cpp diff --git a/src/crepe/system/CollisionSystem.cpp b/src/crepe/system/CollisionSystem.cpp index 55e0fdc..c74ca1d 100644 --- a/src/crepe/system/CollisionSystem.cpp +++ b/src/crepe/system/CollisionSystem.cpp @@ -2,6 +2,4 @@ using namespace crepe; -CollisionSystem::CollisionSystem() {} - void CollisionSystem::update() {} diff --git a/src/crepe/system/CollisionSystem.h b/src/crepe/system/CollisionSystem.h index 1e9f1aa..c1a70d8 100644 --- a/src/crepe/system/CollisionSystem.h +++ b/src/crepe/system/CollisionSystem.h @@ -1,11 +1,13 @@ #pragma once +#include "System.h" + namespace crepe { -class CollisionSystem { +class CollisionSystem : public System { public: - CollisionSystem(); - void update(); + using System::System; + void update() override; }; } // namespace crepe diff --git a/src/crepe/system/ParticleSystem.cpp b/src/crepe/system/ParticleSystem.cpp index 397b586..fe02682 100644 --- a/src/crepe/system/ParticleSystem.cpp +++ b/src/crepe/system/ParticleSystem.cpp @@ -8,10 +8,8 @@ using namespace crepe; -ParticleSystem::ParticleSystem() : elapsed_time(0.0f) {} - void ParticleSystem::update() { - ComponentManager & mgr = ComponentManager::get_instance(); + ComponentManager & mgr = this->component_manager; std::vector<std::reference_wrapper<ParticleEmitter>> emitters = mgr.get_components_by_type<ParticleEmitter>(); float delta_time = 0.10; diff --git a/src/crepe/system/ParticleSystem.h b/src/crepe/system/ParticleSystem.h index 3ac1d3f..f171c62 100644 --- a/src/crepe/system/ParticleSystem.h +++ b/src/crepe/system/ParticleSystem.h @@ -2,17 +2,22 @@ #include "../api/ParticleEmitter.h" +#include "System.h" + namespace crepe { -class ParticleSystem { +class ParticleSystem : public System { public: - ParticleSystem(); - void update(); + using System::System; + void update() override; private: - void emit_particle(ParticleEmitter & emitter); //emits a new particle + //! Emits a new particle + void emit_particle(ParticleEmitter & emitter); - float elapsed_time; //elapsed time since the last emission + //! Elapsed time since the last emission + float elapsed_time = 0.0; + // TODO: to std::chrono::duration }; } // namespace crepe diff --git a/src/crepe/system/PhysicsSystem.cpp b/src/crepe/system/PhysicsSystem.cpp index eb54ad3..da79707 100644 --- a/src/crepe/system/PhysicsSystem.cpp +++ b/src/crepe/system/PhysicsSystem.cpp @@ -11,7 +11,7 @@ using namespace crepe; void PhysicsSystem::update() { - ComponentManager & mgr = ComponentManager::get_instance(); + ComponentManager & mgr = this->component_manager; std::vector<std::reference_wrapper<Rigidbody>> rigidbodies = mgr.get_components_by_type<Rigidbody>(); std::vector<std::reference_wrapper<Transform>> transforms diff --git a/src/crepe/system/PhysicsSystem.h b/src/crepe/system/PhysicsSystem.h index cb6160e..5433a0f 100644 --- a/src/crepe/system/PhysicsSystem.h +++ b/src/crepe/system/PhysicsSystem.h @@ -1,5 +1,7 @@ #pragma once +#include "System.h" + namespace crepe { /** @@ -8,18 +10,15 @@ namespace crepe { * This class is a physics system that uses a rigidbody and transform * to add physics to a game object. */ -class PhysicsSystem { +class PhysicsSystem : public System { public: - /** - * Constructor is default - */ - PhysicsSystem() = default; + using System::System; /** * \brief updates the physics system. * * It calculates new velocties and changes the postion in the transform. */ - void update(); + void update() override; }; } // namespace crepe diff --git a/src/crepe/system/RenderSystem.cpp b/src/crepe/system/RenderSystem.cpp index 3ff5b4f..0d37808 100644 --- a/src/crepe/system/RenderSystem.cpp +++ b/src/crepe/system/RenderSystem.cpp @@ -11,15 +11,6 @@ using namespace crepe; -RenderSystem::RenderSystem() { dbg_trace(); } - -RenderSystem::~RenderSystem() { dbg_trace(); } - -RenderSystem & RenderSystem::get_instance() { - static RenderSystem instance; - return instance; -} - void RenderSystem::clear_screen() const { SDLContext::get_instance().clear_screen(); } @@ -28,7 +19,7 @@ void RenderSystem::present_screen() const { SDLContext::get_instance().present_screen(); } void RenderSystem::update_camera() { - ComponentManager & mgr = ComponentManager::get_instance(); + ComponentManager & mgr = this->component_manager; std::vector<std::reference_wrapper<Camera>> cameras = mgr.get_components_by_type<Camera>(); @@ -39,8 +30,7 @@ void RenderSystem::update_camera() { } } void RenderSystem::render_sprites() const { - - ComponentManager & mgr = ComponentManager::get_instance(); + ComponentManager & mgr = this->component_manager; std::vector<std::reference_wrapper<Sprite>> sprites = mgr.get_components_by_type<Sprite>(); diff --git a/src/crepe/system/RenderSystem.h b/src/crepe/system/RenderSystem.h index 70db21a..da4e910 100644 --- a/src/crepe/system/RenderSystem.h +++ b/src/crepe/system/RenderSystem.h @@ -15,14 +15,8 @@ namespace crepe { * rendering services for the application. */ class RenderSystem : public System { - public: - /** - * \brief Gets the singleton instance of RenderSystem. - * \return Reference to the RenderSystem instance. - */ - static RenderSystem & get_instance(); - + using System::System; /** * \brief Updates the RenderSystem for the current frame. * This method is called to perform all rendering operations for the current game frame. @@ -30,10 +24,6 @@ public: void update() override; private: - // Private constructor to enforce singleton pattern. - RenderSystem(); - ~RenderSystem(); - //! Clears the screen in preparation for rendering. void clear_screen() const; @@ -61,4 +51,5 @@ private: Camera * curr_cam = nullptr; // TODO: needs a better solution }; + } // namespace crepe diff --git a/src/crepe/system/ScriptSystem.cpp b/src/crepe/system/ScriptSystem.cpp index 807ad7f..7b22533 100644 --- a/src/crepe/system/ScriptSystem.cpp +++ b/src/crepe/system/ScriptSystem.cpp @@ -5,7 +5,6 @@ #include "../ComponentManager.h" #include "../api/BehaviorScript.h" #include "../api/Script.h" -#include "../util/Log.h" #include "ScriptSystem.h" @@ -13,16 +12,24 @@ using namespace std; using namespace crepe; void ScriptSystem::update() { - using namespace std; dbg_trace(); - forward_list<Script *> scripts = this->get_scripts(); - for (Script * script : scripts) script->update(); + forward_list<reference_wrapper<Script>> scripts = this->get_scripts(); + + for (auto & script_ref : scripts) { + Script & script = script_ref.get(); + BehaviorScript & component = *script.parent_ref; + if (!component.initialized) { + script.init(); + component.initialized = true; + } + script.update(); + } } -forward_list<Script *> ScriptSystem::get_scripts() const { - forward_list<Script *> scripts = {}; - ComponentManager & mgr = ComponentManager::get_instance(); +forward_list<reference_wrapper<Script>> ScriptSystem::get_scripts() const { + forward_list<reference_wrapper<Script>> scripts = {}; + ComponentManager & mgr = this->component_manager; vector<reference_wrapper<BehaviorScript>> behavior_scripts = mgr.get_components_by_type<BehaviorScript>(); @@ -31,8 +38,9 @@ forward_list<Script *> ScriptSystem::get_scripts() const { if (!behavior_script.active) continue; Script * script = behavior_script.script.get(); if (script == nullptr) continue; - scripts.push_front(script); + scripts.push_front(*script); } return scripts; } + diff --git a/src/crepe/system/ScriptSystem.h b/src/crepe/system/ScriptSystem.h index 9d57640..deb89cb 100644 --- a/src/crepe/system/ScriptSystem.h +++ b/src/crepe/system/ScriptSystem.h @@ -16,6 +16,7 @@ class Script; */ class ScriptSystem : public System { public: + using System::System; /** * \brief Call Script::update() on all active \c BehaviorScript instances * @@ -23,17 +24,16 @@ public: * method. It also calls Script::init() if this has not been done before on * the \c BehaviorScript instance. */ - void update(); + void update() override; private: - // TODO: to forward_list<reference_wrapper> /** * \brief Aggregate all active \c BehaviorScript components and return a list * of references to their \c Script instances (utility) * * \returns List of active \c Script instances */ - std::forward_list<Script *> get_scripts() const; + std::forward_list<std::reference_wrapper<Script>> get_scripts() const; }; } // namespace crepe diff --git a/src/crepe/system/System.cpp b/src/crepe/system/System.cpp new file mode 100644 index 0000000..937a423 --- /dev/null +++ b/src/crepe/system/System.cpp @@ -0,0 +1,7 @@ +#include "../util/Log.h" + +#include "System.h" + +using namespace crepe; + +System::System(ComponentManager & mgr) : component_manager(mgr) { dbg_trace(); } diff --git a/src/crepe/system/System.h b/src/crepe/system/System.h index ec4507f..28ea20e 100644 --- a/src/crepe/system/System.h +++ b/src/crepe/system/System.h @@ -2,6 +2,8 @@ namespace crepe { +class ComponentManager; + /** * \brief Base ECS system class * @@ -17,8 +19,11 @@ public: virtual void update() = 0; public: - System() = default; + System(ComponentManager &); virtual ~System() = default; + +protected: + ComponentManager & component_manager; }; } // namespace crepe |