78 lines
2.3 KiB
C
78 lines
2.3 KiB
C
#ifndef _PARTICLE_SYSTEM_H
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#define _PARTICLE_SYSTEM_H
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#include "raylib.h"
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#include "engine_conf.h"
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#include "sc_queue.h"
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#include "assets.h"
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#include <stdint.h>
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#include <stdbool.h>
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typedef uint16_t EmitterHandle;
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typedef struct Particle
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{
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Vector2 position;
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Vector2 velocity;
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Vector2 accleration;
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float rotation;
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float angular_vel;
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float size;
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float timer;
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bool alive;
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bool spawned;
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}Particle_t;
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typedef struct ParticleEmitter ParticleEmitter_t;
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typedef void (*particle_update_func_t)(Particle_t* part, void* user_data, float delta_time);
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typedef bool (*emitter_check_func_t)(const ParticleEmitter_t* emitter, float delta_time);
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struct ParticleEmitter
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{
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const EmitterConfig_t* config;
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Sprite_t* spr;
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Vector2 position;
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Particle_t particles[MAX_PARTICLES];
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uint32_t n_particles;
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float timer;
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bool finished;
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bool active;
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void* user_data;
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particle_update_func_t update_func;
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emitter_check_func_t emitter_update_func;
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};
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typedef struct IndexList
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{
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uint32_t next;
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bool playing;
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}IndexList_t;
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typedef struct ParticleSystem
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{
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ParticleEmitter_t emitters[MAX_ACTIVE_PARTICLE_EMITTER + 1];
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IndexList_t emitter_list[MAX_ACTIVE_PARTICLE_EMITTER + 1];
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struct sc_queue_64 free_list;
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uint32_t tail_idx;
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uint32_t n_configs;
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uint32_t n_emitters;
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}ParticleSystem_t;
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void init_particle_system(ParticleSystem_t* system);
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uint16_t get_number_of_free_emitter(ParticleSystem_t* system);
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// For one-shots
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EmitterHandle play_particle_emitter(ParticleSystem_t* system, const ParticleEmitter_t* in_emitter);
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EmitterHandle load_in_particle_emitter(ParticleSystem_t* system, const ParticleEmitter_t* in_emitter);
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void play_emitter_handle(ParticleSystem_t* system, EmitterHandle handle);
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void stop_emitter_handle(ParticleSystem_t* system, EmitterHandle handle);
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void update_emitter_handle_position(ParticleSystem_t* system, EmitterHandle handle, Vector2 pos);
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void unload_emitter_handle(ParticleSystem_t* system, EmitterHandle handle);
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bool is_emitter_handle_alive(ParticleSystem_t* system, EmitterHandle handle);
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void update_particle_system(ParticleSystem_t* system, float delta_time);
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void draw_particle_system(ParticleSystem_t* system);
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void deinit_particle_system(ParticleSystem_t* system);
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#endif // _PARTICLE_SYSTEM_H
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