1 #ifndef LIBPSYS_H_

2 #define LIBPSYS_H_

3

4 /* emitter properties:

5 * - p/r/s (anim)

6 * - spawn rate (anim)

7 * - direction (anim)

8 *

9 * - collision planes

10 */

11

12 struct psys_emitter;

13 struct psys_particle;

14

15 typedef int (*psys_spawn_func_t)(struct psys_emitter*, struct psys_particle*, void*);

16 typedef void (*psys_update_func_t)(struct psys_emitter*, struct psys_particle*, float, float, void*);

17

18 typedef void (*psys_draw_func_t)(struct psys_emitter*, struct psys_particle*, void*);

19 typedef void (*psys_draw_start_func_t)(struct psys_emitter*, void*);

20 typedef void (*psys_draw_end_func_t)(struct psys_emitter*, void*);

21

22

23 struct psys_emitter *psys_create(void);

24 void psys_free(struct psys_emitter *em);

25

26 int psys_init(struct psys_emitter *em);

27 void psys_destroy(struct psys_emitter *em);

28

29 /* set properties */

30

31 void psys_set_pos(struct psys_emitter *em, vec3_t pos, float tm);

32 void psys_set_rot(struct psys_emitter *em, quat_t rot, float tm);

33 void psys_set_pivot(struct psys_emitter *em, vec3_t pivot);

34

35 void psys_set_rate(struct psys_emitter *em, float rate, float tm);

36 void psys_set_life(struct psys_emitter *em, float life, float tm);

37 void psys_set_dir(struct psys_emitter *em, vec3_t dir, float tm);

38 void psys_set_grav(struct psys_emitter *em, vec3_t grav, float tm);

39

40 void psys_clear_collision_planes(struct psys_emitter *em);

41 int psys_add_collision_plane(struct psys_emitter *em, plane_t plane, float elast);

42

43 void psys_add_particle(struct psys_emitter *em, struct psys_particle *p);

44

45 void psys_spawn_func(struct psys_emitter *em, psys_spawn_func_t func, void *cls);

46 void psys_update_func(struct psys_emitter *em, psys_update_func_t func, void *cls);

47 void psys_draw_func(struct psys_emitter *em, psys_draw_func_t draw,

48 psys_draw_start_func_t start, psys_draw_end_func_t end, void *cls);

49

50

51 /* query emitter state */

52 vec3_t psys_get_pos(struct psys_emitter *em);

53 quat_t psys_get_rot(struct psys_emitter *em);

54 float psys_get_rate(struct psys_emitter *em);

55 float psys_get_life(struct psys_emitter *em);

56 vec3_t psys_get_dir(struct psys_emitter *em);

57 vec3_t psys_get_grav(struct psys_emitter *em);

58

59 /* update and render */

60

61 void psys_update(struct psys_emitter *em, float tm);

62 void psys_draw(struct psys_emitter *em);

63

64 #endif /* LIBPSYS_H_ */