diff options
Diffstat (limited to 'src/crepe/api')
-rw-r--r-- | src/crepe/api/LoopManager.cpp | 87 | ||||
-rw-r--r-- | src/crepe/api/ParticleEmitter.cpp | 9 | ||||
-rw-r--r-- | src/crepe/api/ParticleEmitter.h | 49 |
3 files changed, 124 insertions, 21 deletions
diff --git a/src/crepe/api/LoopManager.cpp b/src/crepe/api/LoopManager.cpp new file mode 100644 index 0000000..7a78019 --- /dev/null +++ b/src/crepe/api/LoopManager.cpp @@ -0,0 +1,87 @@ +#include "../facade/SDLContext.h" +#include "../manager/EventManager.h" +#include "../manager/LoopTimerManager.h" +#include "../system/AISystem.h" +#include "../system/AnimatorSystem.h" +#include "../system/AudioSystem.h" +#include "../system/CollisionSystem.h" +#include "../system/InputSystem.h" +#include "../system/ParticleSystem.h" +#include "../system/PhysicsSystem.h" +#include "../system/RenderSystem.h" +#include "../system/ScriptSystem.h" +#include "../util/Log.h" + +#include "LoopManager.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>(); + this->load_system<InputSystem>(); + this->event_manager.subscribe<ShutDownEvent>( + [this](const ShutDownEvent & event) { return this->on_shutdown(event); }); + this->load_system<AudioSystem>(); + this->load_system<AISystem>(); +} +void LoopManager::start() { + this->setup(); + this->loop(); +} + +void LoopManager::setup() { + this->game_running = true; + this->loop_timer.start(); + this->scene_manager.load_next_scene(); +} + +void LoopManager::loop() { + try { + while (game_running) { + this->loop_timer.update(); + + while (this->loop_timer.get_lag() >= this->loop_timer.get_fixed_delta_time()) { + this->fixed_update(); + this->loop_timer.advance_fixed_elapsed_time(); + } + + this->frame_update(); + this->loop_timer.enforce_frame_rate(); + } + } catch (const exception & e) { + Log::logf(Log::Level::ERROR, "Exception caught in main loop: {}", e.what()); + this->event_manager.trigger_event<ShutDownEvent>(ShutDownEvent{}); + } +} + +// will be called at a fixed interval +void LoopManager::fixed_update() { + this->get_system<InputSystem>().update(); + this->event_manager.dispatch_events(); + this->get_system<ScriptSystem>().update(); + this->get_system<ParticleSystem>().update(); + this->get_system<AISystem>().update(); + this->get_system<PhysicsSystem>().update(); + this->get_system<CollisionSystem>().update(); + this->get_system<AudioSystem>().update(); +} + +// will be called every frame +void LoopManager::frame_update() { + this->scene_manager.load_next_scene(); + this->get_system<AnimatorSystem>().update(); + //render + this->get_system<RenderSystem>().update(); +} + +bool LoopManager::on_shutdown(const ShutDownEvent & e) { + this->game_running = false; + // propagate to possible user ShutDownEvent listeners + return false; +} diff --git a/src/crepe/api/ParticleEmitter.cpp b/src/crepe/api/ParticleEmitter.cpp index a9c5cf6..9a70334 100644 --- a/src/crepe/api/ParticleEmitter.cpp +++ b/src/crepe/api/ParticleEmitter.cpp @@ -1,13 +1,16 @@ #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(); } } @@ -20,6 +23,6 @@ void ParticleEmitter::restore(const Component & snapshot) { } ParticleEmitter & ParticleEmitter::operator=(const ParticleEmitter & other) { - data.particles = other.data.particles; + this->particles = other.particles; return *this; } diff --git a/src/crepe/api/ParticleEmitter.h b/src/crepe/api/ParticleEmitter.h index 5f563de..626b356 100644 --- a/src/crepe/api/ParticleEmitter.h +++ b/src/crepe/api/ParticleEmitter.h @@ -1,7 +1,11 @@ #pragma once +#include <cmath> #include <vector> +#include "system/ParticleSystem.h" +#include "system/RenderSystem.h" + #include "Component.h" #include "Particle.h" #include "types.h" @@ -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 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. * @@ -45,29 +52,25 @@ public: //! position of the emitter vec2 position; //! 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) vec2 force_over_time; //! particle boundary Boundary boundary; - //! collection of particles - std::vector<Particle> particles; - //! sprite reference - const Sprite & sprite; }; public: @@ -75,7 +78,7 @@ 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. @@ -86,6 +89,16 @@ protected: 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 |