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1 #ifndef LIBPSYS_H_
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2 #define LIBPSYS_H_
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3
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4 /* emitter properties:
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5 * - p/r/s (anim)
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6 * - spawn rate (anim)
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7 * - direction (anim)
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8 *
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9 * - collision planes
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10 */
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11
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12 struct psys_emitter;
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13 struct psys_particle;
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14
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15 typedef int (*psys_spawn_func_t)(struct psys_emitter*, struct psys_particle*, void*);
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16 typedef void (*psys_update_func_t)(struct psys_emitter*, struct psys_particle*, float, float, void*);
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17
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18 typedef void (*psys_draw_func_t)(struct psys_emitter*, struct psys_particle*, void*);
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19 typedef void (*psys_draw_start_func_t)(struct psys_emitter*, void*);
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20 typedef void (*psys_draw_end_func_t)(struct psys_emitter*, void*);
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21
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22
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23 struct psys_emitter *psys_create(void);
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24 void psys_free(struct psys_emitter *em);
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25
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26 int psys_init(struct psys_emitter *em);
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27 void psys_destroy(struct psys_emitter *em);
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28
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29 /* set properties */
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30
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31 void psys_set_pos(struct psys_emitter *em, vec3_t pos, float tm);
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32 void psys_set_rot(struct psys_emitter *em, quat_t rot, float tm);
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33 void psys_set_pivot(struct psys_emitter *em, vec3_t pivot);
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34
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35 void psys_set_rate(struct psys_emitter *em, float rate, float tm);
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36 void psys_set_dir(struct psys_emitter *em, vec3_t dir, float tm);
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37
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38 void psys_clear_collision_planes(struct psys_emitter *em);
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39 int psys_add_collision_plane(struct psys_emitter *em, plane_t plane, float elast);
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40
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41 void psys_add_particle(struct psys_emitter *em, struct psys_particle *p);
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42
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43 void psys_spawn_func(struct psys_emitter *em, psys_spawn_func_t func, void *cls);
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44 void psys_update_func(struct psys_emitter *em, psys_update_func_t func, void *cls);
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45 void psys_draw_func(struct psys_emitter *em, psys_draw_func_t draw,
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46 psys_draw_start_func_t start, psys_draw_end_func_t end, void *cls);
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47
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48
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49 /* query emitter state */
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50 vec3_t psys_get_pos(struct psys_emitter *em);
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51 quat_t psys_get_rot(struct psys_emitter *em);
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52 float psys_get_rate(struct psys_emitter *em);
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53 float psys_get_life(struct psys_emitter *em);
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54 vec3_t psys_get_dir(struct psys_emitter *em);
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55
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56 /* update and render */
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57
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58 void psys_update(struct psys_emitter *em, float tm);
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59 void psys_draw(struct psys_emitter *em);
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60
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61 #endif /* LIBPSYS_H_ */
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