nuclear@0: #ifndef LIBPSYS_H_
nuclear@0: #define LIBPSYS_H_
nuclear@0: 
nuclear@0: /* emitter properties:
nuclear@0:  * - p/r/s (anim)
nuclear@0:  * - spawn rate (anim)
nuclear@0:  * - direction (anim)
nuclear@0:  *
nuclear@0:  * - collision planes
nuclear@0:  */
nuclear@0: 
nuclear@0: struct psys_emitter;
nuclear@0: struct psys_particle;
nuclear@0: 
nuclear@0: typedef int (*psys_spawn_func_t)(struct psys_emitter*, struct psys_particle*, void*);
nuclear@0: typedef void (*psys_update_func_t)(struct psys_emitter*, struct psys_particle*, float, float, void*);
nuclear@0: 
nuclear@0: typedef void (*psys_draw_func_t)(struct psys_emitter*, struct psys_particle*, void*);
nuclear@0: typedef void (*psys_draw_start_func_t)(struct psys_emitter*, void*);
nuclear@0: typedef void (*psys_draw_end_func_t)(struct psys_emitter*, void*);
nuclear@0: 
nuclear@0: 
nuclear@0: struct psys_emitter *psys_create(void);
nuclear@0: void psys_free(struct psys_emitter *em);
nuclear@0: 
nuclear@0: int psys_init(struct psys_emitter *em);
nuclear@0: void psys_destroy(struct psys_emitter *em);
nuclear@0: 
nuclear@0: /* set properties */
nuclear@0: 
nuclear@0: void psys_set_pos(struct psys_emitter *em, vec3_t pos, float tm);
nuclear@0: void psys_set_rot(struct psys_emitter *em, quat_t rot, float tm);
nuclear@0: void psys_set_pivot(struct psys_emitter *em, vec3_t pivot);
nuclear@0: 
nuclear@0: void psys_set_rate(struct psys_emitter *em, float rate, float tm);
nuclear@0: void psys_set_dir(struct psys_emitter *em, vec3_t dir, float tm);
nuclear@0: 
nuclear@0: void psys_clear_collision_planes(struct psys_emitter *em);
nuclear@0: int psys_add_collision_plane(struct psys_emitter *em, plane_t plane, float elast);
nuclear@0: 
nuclear@0: void psys_add_particle(struct psys_emitter *em, struct psys_particle *p);
nuclear@0: 
nuclear@0: void psys_spawn_func(struct psys_emitter *em, psys_spawn_func_t func, void *cls);
nuclear@0: void psys_update_func(struct psys_emitter *em, psys_update_func_t func, void *cls);
nuclear@0: void psys_draw_func(struct psys_emitter *em, psys_draw_func_t draw,
nuclear@0: 		psys_draw_start_func_t start, psys_draw_end_func_t end, void *cls);
nuclear@0: 
nuclear@0: 
nuclear@0: /* query emitter state */
nuclear@0: vec3_t psys_get_pos(struct psys_emitter *em);
nuclear@0: quat_t psys_get_rot(struct psys_emitter *em);
nuclear@0: float psys_get_rate(struct psys_emitter *em);
nuclear@0: float psys_get_life(struct psys_emitter *em);
nuclear@0: vec3_t psys_get_dir(struct psys_emitter *em);
nuclear@0: 
nuclear@0: /* update and render */
nuclear@0: 
nuclear@0: void psys_update(struct psys_emitter *em, float tm);
nuclear@0: void psys_draw(struct psys_emitter *em);
nuclear@0: 
nuclear@0: #endif	/* LIBPSYS_H_ */