diff options
Diffstat (limited to 'src/crepe/system')
| -rw-r--r-- | src/crepe/system/AnimatorSystem.cpp | 5 | ||||
| -rw-r--r-- | src/crepe/system/ParticleSystem.cpp | 22 | ||||
| -rw-r--r-- | src/crepe/system/PhysicsSystem.cpp | 8 | ||||
| -rw-r--r-- | src/crepe/system/RenderSystem.cpp | 88 | ||||
| -rw-r--r-- | src/crepe/system/RenderSystem.h | 52 | ||||
| -rw-r--r-- | src/crepe/system/ScriptSystem.cpp | 34 | ||||
| -rw-r--r-- | src/crepe/system/ScriptSystem.h | 11 |
7 files changed, 137 insertions, 83 deletions
diff --git a/src/crepe/system/AnimatorSystem.cpp b/src/crepe/system/AnimatorSystem.cpp index 9d18873..676e485 100644 --- a/src/crepe/system/AnimatorSystem.cpp +++ b/src/crepe/system/AnimatorSystem.cpp @@ -1,6 +1,4 @@ #include <cstdint> -#include <functional> -#include <vector> #include "api/Animator.h" #include "facade/SDLContext.h" @@ -13,8 +11,7 @@ using namespace crepe; void AnimatorSystem::update() { ComponentManager & mgr = this->component_manager; - std::vector<std::reference_wrapper<Animator>> animations - = mgr.get_components_by_type<Animator>(); + RefVector<Animator> animations = mgr.get_components_by_type<Animator>(); uint64_t tick = SDLContext::get_instance().get_ticks(); for (Animator & a : animations) { diff --git a/src/crepe/system/ParticleSystem.cpp b/src/crepe/system/ParticleSystem.cpp index 7316309..0e62a57 100644 --- a/src/crepe/system/ParticleSystem.cpp +++ b/src/crepe/system/ParticleSystem.cpp @@ -4,7 +4,6 @@ #include "api/ParticleEmitter.h" #include "api/Transform.h" -#include "api/Vector2.h" #include "ComponentManager.h" #include "ParticleSystem.h" @@ -14,8 +13,7 @@ using namespace crepe; void ParticleSystem::update() { // Get all emitters ComponentManager & mgr = this->component_manager; - std::vector<std::reference_wrapper<ParticleEmitter>> emitters - = mgr.get_components_by_type<ParticleEmitter>(); + RefVector<ParticleEmitter> emitters = mgr.get_components_by_type<ParticleEmitter>(); for (ParticleEmitter & emitter : emitters) { // Get transform linked to emitter @@ -43,17 +41,15 @@ void ParticleSystem::update() { } 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.position + transform.position; + float random_angle = 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 = 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) { @@ -78,7 +74,7 @@ int ParticleSystem::calculate_update(int count, double emission) const { } void ParticleSystem::check_bounds(ParticleEmitter & emitter, const Transform & transform) { - Vector2 offset = emitter.data.boundary.offset + transform.position + emitter.data.position; + vec2 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; @@ -88,7 +84,7 @@ void ParticleSystem::check_bounds(ParticleEmitter & emitter, const Transform & t const double BOTTOM = offset.y + half_height; for (Particle & particle : emitter.data.particles) { - const Vector2 & position = particle.position; + const vec2 & position = particle.position; bool within_bounds = (position.x >= LEFT && position.x <= RIGHT && position.y >= TOP && position.y <= BOTTOM); diff --git a/src/crepe/system/PhysicsSystem.cpp b/src/crepe/system/PhysicsSystem.cpp index 4a7dbfb..514a4b3 100644 --- a/src/crepe/system/PhysicsSystem.cpp +++ b/src/crepe/system/PhysicsSystem.cpp @@ -12,10 +12,8 @@ using namespace crepe; void PhysicsSystem::update() { 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 - = mgr.get_components_by_type<Transform>(); + RefVector<Rigidbody> rigidbodies = mgr.get_components_by_type<Rigidbody>(); + RefVector<Transform> transforms = mgr.get_components_by_type<Transform>(); double gravity = Config::get_instance().physics.gravity; for (Rigidbody & rigidbody : rigidbodies) { @@ -36,7 +34,7 @@ void PhysicsSystem::update() { if (rigidbody.data.angular_damping != 0) { rigidbody.data.angular_velocity *= rigidbody.data.angular_damping; } - if (rigidbody.data.linear_damping != Vector2{0, 0}) { + if (rigidbody.data.linear_damping != vec2{0, 0}) { rigidbody.data.linear_velocity *= rigidbody.data.linear_damping; } diff --git a/src/crepe/system/RenderSystem.cpp b/src/crepe/system/RenderSystem.cpp index fa3d0de..ad510f5 100644 --- a/src/crepe/system/RenderSystem.cpp +++ b/src/crepe/system/RenderSystem.cpp @@ -1,44 +1,102 @@ +#include <algorithm> +#include <cassert> +#include <cmath> #include <functional> +#include <iostream> +#include <stdexcept> #include <vector> #include "../ComponentManager.h" +#include "../api/ParticleEmitter.h" #include "../api/Sprite.h" #include "../api/Transform.h" +#include "../api/Vector2.h" #include "../facade/SDLContext.h" -#include "../util/Log.h" #include "RenderSystem.h" using namespace crepe; +using namespace std; -void RenderSystem::clear_screen() const { SDLContext::get_instance().clear_screen(); } +void RenderSystem::clear_screen() { this->context.clear_screen(); } -void RenderSystem::present_screen() const { SDLContext::get_instance().present_screen(); } +void RenderSystem::present_screen() { this->context.present_screen(); } void RenderSystem::update_camera() { ComponentManager & mgr = this->component_manager; - std::vector<std::reference_wrapper<Camera>> cameras = mgr.get_components_by_type<Camera>(); + 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) { - SDLContext::get_instance().camera(cam); - this->curr_cam = &cam; + if (!cam.active) continue; + this->context.set_camera(cam); + this->curr_cam_ref = &cam; } } -void RenderSystem::render_sprites() const { - ComponentManager & mgr = this->component_manager; - std::vector<std::reference_wrapper<Sprite>> sprites = mgr.get_components_by_type<Sprite>(); +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; - SDLContext & render = SDLContext::get_instance(); - for (const Sprite & sprite : sprites) { - auto transforms = mgr.get_components_by_id<Transform>(sprite.game_object_id); - render.draw(sprite, transforms[0], *curr_cam); - } + return false; +} + +RefVector<Sprite> RenderSystem::sort(RefVector<Sprite> & objs) const { + RefVector<Sprite> sorted_objs(objs); + std::sort(sorted_objs.begin(), sorted_objs.end(), sorting_comparison); + + return sorted_objs; } void RenderSystem::update() { this->clear_screen(); this->update_camera(); - this->render_sprites(); + this->render(); this->present_screen(); } + +bool RenderSystem::render_particle(const Sprite & sprite, const double & scale) { + + ComponentManager & mgr = this->component_manager; + + vector<reference_wrapper<ParticleEmitter>> emitters + = mgr.get_components_by_id<ParticleEmitter>(sprite.game_object_id); + + bool rendering_particles = false; + + for (const ParticleEmitter & em : emitters) { + if (!(&em.data.sprite == &sprite)) continue; + rendering_particles = true; + if (!em.active) continue; + + for (const Particle & p : em.data.particles) { + if (!p.active) continue; + this->context.draw_particle(sprite, p.position, p.angle, scale, + *this->curr_cam_ref); + } + } + return rendering_particles; +} +void RenderSystem::render_normal(const Sprite & sprite, const Transform & tm) { + this->context.draw(sprite, tm, *this->curr_cam_ref); +} + +void RenderSystem::render() { + + ComponentManager & mgr = this->component_manager; + RefVector<Sprite> sprites = mgr.get_components_by_type<Sprite>(); + RefVector<Sprite> sorted_sprites = this->sort(sprites); + + for (const Sprite & sprite : sorted_sprites) { + if (!sprite.active) continue; + const Transform & transform + = mgr.get_components_by_id<Transform>(sprite.game_object_id).front().get(); + + bool rendered_particles = this->render_particle(sprite, transform.scale); + + if (rendered_particles) continue; + + this->render_normal(sprite, transform); + } +} diff --git a/src/crepe/system/RenderSystem.h b/src/crepe/system/RenderSystem.h index 87ec494..30b41cf 100644 --- a/src/crepe/system/RenderSystem.h +++ b/src/crepe/system/RenderSystem.h @@ -1,18 +1,24 @@ #pragma once -#include "api/Camera.h" +#include <functional> +#include <vector> + +#include "facade/SDLContext.h" #include "System.h" +#include <cmath> namespace crepe { +class Camera; +class Sprite; + /** * \class RenderSystem * \brief Manages rendering operations for all game objects. * - * RenderSystem is responsible for rendering sprites, clearing and presenting the screen, and - * managing the active camera. It functions as a singleton, providing centralized rendering - * services for the application. + * RenderSystem is responsible for rendering, clearing and presenting the screen, and + * managing the active camera. */ class RenderSystem : public System { public: @@ -25,20 +31,44 @@ public: private: //! Clears the screen in preparation for rendering. - void clear_screen() const; + void clear_screen(); //! Presents the rendered frame to the display. - void present_screen() const; + void present_screen(); //! Updates the active camera used for rendering. void update_camera(); - //! Renders all active sprites to the screen. - void render_sprites() const; + //! Renders the whole screen + void render(); + + /** + * \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 + * \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 + * + * \param sprite the sprite component that holds all the data + * \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 + * \return returns a sorted reference vector + */ + RefVector<Sprite> sort(RefVector<Sprite> & objs) const; /** * \todo Include color handling for sprites. - * \todo Implement particle emitter rendering with 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. @@ -48,8 +78,10 @@ private: private: //! Pointer to the current active camera for rendering - Camera * curr_cam = nullptr; + Camera * curr_cam_ref = nullptr; // TODO: needs a better solution + + SDLContext & context = SDLContext::get_instance(); }; } // namespace crepe diff --git a/src/crepe/system/ScriptSystem.cpp b/src/crepe/system/ScriptSystem.cpp index c4d724c..20a83f7 100644 --- a/src/crepe/system/ScriptSystem.cpp +++ b/src/crepe/system/ScriptSystem.cpp @@ -1,7 +1,3 @@ -#include <forward_list> -#include <functional> -#include <vector> - #include "../ComponentManager.h" #include "../api/BehaviorScript.h" #include "../api/Script.h" @@ -14,31 +10,19 @@ using namespace crepe; void ScriptSystem::update() { dbg_trace(); - forward_list<reference_wrapper<Script>> scripts = this->get_scripts(); - - for (auto & script_ref : scripts) { - Script & script = script_ref.get(); - if (!script.initialized) { - script.init(); - script.initialized = true; - } - script.update(); - } -} - -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>(); + RefVector<BehaviorScript> behavior_scripts = mgr.get_components_by_type<BehaviorScript>(); - for (auto behavior_script_ref : behavior_scripts) { - BehaviorScript & behavior_script = behavior_script_ref.get(); + for (BehaviorScript & behavior_script : behavior_scripts) { if (!behavior_script.active) continue; + Script * script = behavior_script.script.get(); if (script == nullptr) continue; - scripts.push_front(*script); - } - return scripts; + if (!script->initialized) { + script->init(); + script->initialized = true; + } + script->update(); + } } diff --git a/src/crepe/system/ScriptSystem.h b/src/crepe/system/ScriptSystem.h index deb89cb..936e9ca 100644 --- a/src/crepe/system/ScriptSystem.h +++ b/src/crepe/system/ScriptSystem.h @@ -1,7 +1,5 @@ #pragma once -#include <forward_list> - #include "System.h" namespace crepe { @@ -25,15 +23,6 @@ public: * the \c BehaviorScript instance. */ void update() override; - -private: - /** - * \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<std::reference_wrapper<Script>> get_scripts() const; }; } // namespace crepe |