HATPC/engine/particle_sys.h

69 lines
1.6 KiB
C

#ifndef _PARTICLE_SYSTEM_H
#define _PARTICLE_SYSTEM_H
#include "raylib.h"
#include "engine_conf.h"
#include "sc_queue.h"
#include <stdint.h>
#include <stdbool.h>
typedef enum PartEmitterType
{
EMITTER_BURST = 0,
} PartEmitterType_t;
typedef struct Particle
{
Texture2D* tex;
Vector2 position;
Vector2 velocity;
Vector2 accleration;
float rotation;
bool alive;
uint32_t timer;
}Particle_t;
typedef struct EmitterConfig
{
Vector2 launch_range;
Vector2 speed_range;
Vector2 position;
uint32_t particle_lifetime;
Vector2 gravity;
Vector2 friction_coeff;
PartEmitterType_t type;
}EmitterConfig_t;
typedef struct ParticleEmitter
{
EmitterConfig_t* config;
Particle_t particles[MAX_PARTICLES];
uint32_t n_particles;
uint32_t timer;
bool one_shot;
bool finished;
bool active;
}ParticleEmitter_t;
typedef struct IndexList
{
uint32_t next;
}IndexList_t;
typedef struct ParticleSystem
{
EmitterConfig_t emitter_configs[MAX_PARTICLE_CONF];
ParticleEmitter_t emitters[MAX_PARTICLE_EMITTER];
IndexList_t emitter_list[MAX_PARTICLE_EMITTER + 1];
struct sc_queue_64 free_list;
uint32_t tail_idx;
uint32_t n_configs;
uint32_t n_emitters;
}ParticleSystem_t;
void init_particle_system(ParticleSystem_t* system);
void add_particle_emitter(ParticleSystem_t* system, ParticleEmitter_t* emitter);
void update_particle_system(ParticleSystem_t* system);
void draw_particle_system(ParticleSystem_t* system);
void deinit_particle_system(ParticleSystem_t* system);
#endif // _PARTICLE_SYSTEM_H