diff options
Diffstat (limited to 'source/blender/blenkernel/BKE_particle.h')
| -rw-r--r-- | source/blender/blenkernel/BKE_particle.h | 173 |
1 files changed, 75 insertions, 98 deletions
diff --git a/source/blender/blenkernel/BKE_particle.h b/source/blender/blenkernel/BKE_particle.h index c22778f5a30..e0259ff10dd 100644 --- a/source/blender/blenkernel/BKE_particle.h +++ b/source/blender/blenkernel/BKE_particle.h @@ -61,37 +61,33 @@ struct BVHTreeRayHit; #define PARTICLE_P ParticleData *pa; int p #define LOOP_PARTICLES for(p=0, pa=psys->particles; p<psys->totpart; p++, pa++) +#define LOOP_EXISTING_PARTICLES for(p=0, pa=psys->particles; p<psys->totpart; p++, pa++) if(!(pa->flag & PARS_UNEXIST)) +#define LOOP_SHOWN_PARTICLES for(p=0, pa=psys->particles; p<psys->totpart; p++, pa++) if(!(pa->flag & (PARS_UNEXIST|PARS_NO_DISP))) -typedef struct ParticleEffectorCache { - struct ParticleEffectorCache *next, *prev; - struct Object *ob; - - /* precalculated variables for guides */ - float firstloc[4], firstdir[3]; - float *distances; - float *locations; - /* precalculated variables for deflection */ - float ob_minmax[6]; - float *face_minmax; - float *vert_cos; - /* precalculated variables for boids */ - struct KDTree *tree; +#define PSYS_FRAND_COUNT 1024 +#define PSYS_FRAND(seed) psys->frand[(seed) % PSYS_FRAND_COUNT] - short type, psys_nbr; - - struct Object obcopy; /* for restoring transformation data */ - struct RNG *rng; /* random noise generator for e.g. wind */ -} ParticleEffectorCache; +/* fast but sure way to get the modifier*/ +#define PARTICLE_PSMD ParticleSystemModifierData *psmd = sim->psmd ? sim->psmd : psys_get_modifier(sim->ob, sim->psys) -typedef struct ParticleReactEvent { - struct ParticleReactEvent *next, *prev; - int event, pa_num; - Object *ob; +/* common stuff that many particle functions need */ +typedef struct ParticleSimulationData { + struct Scene *scene; + struct Object *ob; struct ParticleSystem *psys; - struct ParticleKey state; - - float time, size; -}ParticleReactEvent; + struct ParticleSystemModifierData *psmd; + struct ListBase *colliders; +} ParticleSimulationData; + +//typedef struct ParticleReactEvent { +// struct ParticleReactEvent *next, *prev; +// int event, pa_num; +// Object *ob; +// struct ParticleSystem *psys; +// struct ParticleKey state; +// +// float time, size; +//}ParticleReactEvent; typedef struct ParticleTexture{ float ivel; /* used in reset */ @@ -118,11 +114,8 @@ typedef struct ParticleCacheKey{ typedef struct ParticleThreadContext { /* shared */ - struct Scene *scene; - struct Object *ob; + struct ParticleSimulationData sim; struct DerivedMesh *dm; - struct ParticleSystemModifierData *psmd; - struct ParticleSystem *psys; struct Material *ma; /* distribution */ @@ -166,53 +159,52 @@ typedef struct ParticleBillboardData int lock, num; int totnum; short align, uv_split, anim, split_offset; -} -ParticleBillboardData; +} ParticleBillboardData; /* container for moving data between deflet_particle and particle_intersect_face */ typedef struct ParticleCollision { - struct Object *ob, *ob_t; // collided and current objects - struct CollisionModifierData *md; // collision modifier for ob_t; + struct Object *ob, *hit_ob; // collided and current objects + struct CollisionModifierData *md, *hit_md; // collision modifiers for current and hit object; float nor[3]; // normal at collision point float vel[3]; // velocity of collision point float co1[3], co2[3]; // ray start and end points float ray_len; // original length of co2-co1, needed for collision time evaluation float t; // time of previous collision, needed for substracting face velocity -} -ParticleCollision; +} ParticleCollision; + +typedef struct ParticleDrawData { + float *vdata, *vd; /* vertice data */ + float *ndata, *nd; /* normal data */ + float *cdata, *cd; /* color data */ + float *vedata, *ved; /* velocity data */ + float *ma_r, *ma_g, *ma_b; + int tot_vec_size, flag; + int totpoint, totve; +} ParticleDrawData; + +#define PARTICLE_DRAW_DATA_UPDATED 1 /* ----------- functions needed outside particlesystem ---------------- */ /* particle.c */ int count_particles(struct ParticleSystem *psys); int count_particles_mod(struct ParticleSystem *psys, int totgr, int cur); -int psys_count_keys(struct ParticleSystem *psys); -char *psys_menu_string(struct Object *ob, int for_sb); struct ParticleSystem *psys_get_current(struct Object *ob); +/* for rna */ short psys_get_current_num(struct Object *ob); void psys_set_current_num(Object *ob, int index); struct Object *psys_find_object(struct Scene *scene, struct ParticleSystem *psys); -//struct ParticleSystem *psys_get(struct Object *ob, int index); -struct ParticleData *psys_get_selected_particle(struct ParticleSystem *psys, int *index); -struct ParticleKey *psys_get_selected_key(struct ParticleSystem *psys, int pa_index, int *key_index); -void psys_change_act(void *ob_v, void *act_v); -struct Object *psys_get_lattice(struct Scene *scene, struct Object *ob, struct ParticleSystem *psys); -void psys_disable_all(struct Object *ob); -void psys_enable_all(struct Object *ob); -int psys_ob_has_hair(struct Object *ob); + +struct Object *psys_get_lattice(struct ParticleSimulationData *sim); + int psys_in_edit_mode(struct Scene *scene, struct ParticleSystem *psys); int psys_check_enabled(struct Object *ob, struct ParticleSystem *psys); -void psys_free_boid_rules(struct ListBase *list); +/* free */ void psys_free_settings(struct ParticleSettings *part); -void free_child_path_cache(struct ParticleSystem *psys); void psys_free_path_cache(struct ParticleSystem *psys, struct PTCacheEdit *edit); -void free_hair(struct Object *ob, struct ParticleSystem *psys, int dynamics); -void free_keyed_keys(struct ParticleSystem *psys); -void psys_free_particles(struct ParticleSystem *psys); void psys_free(struct Object * ob, struct ParticleSystem * psys); -void psys_free_children(struct ParticleSystem *psys); void psys_render_set(struct Object *ob, struct ParticleSystem *psys, float viewmat[][4], float winmat[][4], int winx, int winy, int timeoffset); void psys_render_restore(struct Object *ob, struct ParticleSystem *psys); @@ -231,48 +223,39 @@ void object_add_particle_system(struct Scene *scene, struct Object *ob); void object_remove_particle_system(struct Scene *scene, struct Object *ob); struct ParticleSettings *psys_new_settings(char *name, struct Main *main); struct ParticleSettings *psys_copy_settings(struct ParticleSettings *part); -void psys_flush_particle_settings(struct Scene *scene, struct ParticleSettings *part, int recalc); void make_local_particlesettings(struct ParticleSettings *part); -struct LinkNode *psys_using_settings(struct Scene *scene, struct ParticleSettings *part, int flush_update); void psys_reset(struct ParticleSystem *psys, int mode); -void psys_find_parents(struct Object *ob, struct ParticleSystemModifierData *psmd, struct ParticleSystem *psys); +void psys_find_parents(struct ParticleSimulationData *sim); -void psys_cache_paths(struct Scene *scene, struct Object *ob, struct ParticleSystem *psys, float cfra); +void psys_cache_paths(struct ParticleSimulationData *sim, float cfra); void psys_cache_edit_paths(struct Scene *scene, struct Object *ob, struct PTCacheEdit *edit, float cfra); -void psys_cache_child_paths(struct Scene *scene, struct Object *ob, struct ParticleSystem *psys, float cfra, int editupdate); -int do_guide(struct Scene *scene, struct ParticleKey *state, int pa_num, float time, struct ListBase *lb); -float psys_get_size(struct Object *ob, struct Material *ma, struct ParticleSystemModifierData *psmd, struct IpoCurve *icu_size, struct ParticleSystem *psys, struct ParticleSettings *part, struct ParticleData *pa, float *vg_size); -float psys_get_timestep(struct ParticleSettings *part); +void psys_cache_child_paths(struct ParticleSimulationData *sim, float cfra, int editupdate); +int do_guides(struct ListBase *effectors, ParticleKey *state, int pa_num, float time); +void precalc_guides(struct ParticleSimulationData *sim, struct ListBase *effectors); +float psys_get_timestep(struct ParticleSimulationData *sim); float psys_get_child_time(struct ParticleSystem *psys, struct ChildParticle *cpa, float cfra, float *birthtime, float *dietime); float psys_get_child_size(struct ParticleSystem *psys, struct ChildParticle *cpa, float cfra, float *pa_time); -void psys_get_particle_on_path(struct Scene *scene, struct Object *ob, struct ParticleSystem *psys, int pa_num, struct ParticleKey *state, int vel); -int psys_get_particle_state(struct Scene *scene, struct Object *ob, struct ParticleSystem *psys, int p, struct ParticleKey *state, int always); +void psys_get_particle_on_path(struct ParticleSimulationData *sim, int pa_num, struct ParticleKey *state, int vel); +int psys_get_particle_state(struct ParticleSimulationData *sim, int p, struct ParticleKey *state, int always); + +/* for anim.c */ void psys_get_dupli_texture(struct Object *ob, struct ParticleSettings *part, struct ParticleSystemModifierData *psmd, struct ParticleData *pa, struct ChildParticle *cpa, float *uv, float *orco); -void psys_get_dupli_path_transform(struct Object *ob, struct ParticleSystem *psys, struct ParticleSystemModifierData *psmd, struct ParticleData *pa, struct ChildParticle *cpa, struct ParticleCacheKey *cache, float mat[][4], float *scale); +void psys_get_dupli_path_transform(struct ParticleSimulationData *sim, struct ParticleData *pa, struct ChildParticle *cpa, struct ParticleCacheKey *cache, float mat[][4], float *scale); -ParticleThread *psys_threads_create(struct Scene *scene, struct Object *ob, struct ParticleSystem *psys); -int psys_threads_init_distribution(ParticleThread *threads, struct Scene *scene, struct DerivedMesh *dm, int from); -int psys_threads_init_path(ParticleThread *threads, struct Scene *scene, float cfra, int editupdate); +ParticleThread *psys_threads_create(struct ParticleSimulationData *sim); void psys_threads_free(ParticleThread *threads); -void psys_thread_distribute_particle(ParticleThread *thread, struct ParticleData *pa, struct ChildParticle *cpa, int p); -void psys_thread_create_path(ParticleThread *thread, struct ChildParticle *cpa, ParticleCacheKey *keys, int i); - void psys_make_billboard(ParticleBillboardData *bb, float xvec[3], float yvec[3], float zvec[3], float center[3]); /* particle_system.c */ struct ParticleSystem *psys_get_target_system(struct Object *ob, struct ParticleTarget *pt); -void psys_count_keyed_targets(struct Object *ob, struct ParticleSystem *psys); -void psys_get_reactor_target(struct Object *ob, struct ParticleSystem *psys, struct Object **target_ob, struct ParticleSystem **target_psys); - -void psys_init_effectors(struct Scene *scene, struct Object *obsrc, struct Group *group, struct ParticleSystem *psys); -void psys_end_effectors(struct ParticleSystem *psys); +void psys_count_keyed_targets(struct ParticleSimulationData *sim); +void psys_update_particle_tree(struct ParticleSystem *psys, float cfra); void psys_make_temp_pointcache(struct Object *ob, struct ParticleSystem *psys); -void psys_end_temp_pointcache(struct ParticleSystem *psys); -void psys_get_pointcache_start_end(struct Scene *scene, struct ParticleSystem *psys, int *sfra, int *efra); +void psys_get_pointcache_start_end(struct Scene *scene, ParticleSystem *psys, int *sfra, int *efra); void psys_check_boid_data(struct ParticleSystem *psys); @@ -280,40 +263,40 @@ void particle_system_update(struct Scene *scene, struct Object *ob, struct Parti /* ----------- functions needed only inside particlesystem ------------ */ /* particle.c */ +void psys_disable_all(struct Object *ob); +void psys_enable_all(struct Object *ob); + +void free_hair(struct Object *ob, struct ParticleSystem *psys, int dynamics); +void free_keyed_keys(struct ParticleSystem *psys); +void psys_free_particles(struct ParticleSystem *psys); +void psys_free_children(struct ParticleSystem *psys); + void psys_interpolate_particle(short type, struct ParticleKey keys[4], float dt, struct ParticleKey *result, int velocity); -void psys_key_to_object(struct Object *ob, struct ParticleKey *key, float imat[][4]); -//void psys_key_to_geometry(struct DerivedMesh *dm, struct ParticleData *pa, struct ParticleKey *key); -//void psys_key_from_geometry(struct DerivedMesh *dm, struct ParticleData *pa, struct ParticleKey *key); -//void psys_face_mat(struct DerivedMesh *dm, struct ParticleData *pa, float mat[][4]); void psys_vec_rot_to_face(struct DerivedMesh *dm, struct ParticleData *pa, float *vec); -//void psys_vec_rot_from_face(struct DerivedMesh *dm, struct ParticleData *pa, float *vec); void psys_mat_hair_to_object(struct Object *ob, struct DerivedMesh *dm, short from, struct ParticleData *pa, float hairmat[][4]); void psys_mat_hair_to_global(struct Object *ob, struct DerivedMesh *dm, short from, struct ParticleData *pa, float hairmat[][4]); void psys_mat_hair_to_orco(struct Object *ob, struct DerivedMesh *dm, short from, struct ParticleData *pa, float hairmat[][4]); +void psys_free_pdd(struct ParticleSystem *psys); + float *psys_cache_vgroup(struct DerivedMesh *dm, struct ParticleSystem *psys, int vgroup); -void psys_get_texture(struct Object *ob, struct Material *ma, struct ParticleSystemModifierData *psmd, struct ParticleSystem *psys, struct ParticleData *pa, struct ParticleTexture *ptex, int event); +void psys_get_texture(struct ParticleSimulationData *sim, struct Material *ma, struct ParticleData *pa, struct ParticleTexture *ptex, int event); void psys_interpolate_face(struct MVert *mvert, struct MFace *mface, struct MTFace *tface, float (*orcodata)[3], float *uv, float *vec, float *nor, float *utan, float *vtan, float *orco, float *ornor); float psys_particle_value_from_verts(struct DerivedMesh *dm, short from, struct ParticleData *pa, float *values); -float psys_interpolate_value_from_verts(struct DerivedMesh *dm, short from, int index, float *fw, float *values); void psys_get_from_key(struct ParticleKey *key, float *loc, float *vel, float *rot, float *time); +/* only in edisparticle.c*/ int psys_intersect_dm(struct Scene *scene, struct Object *ob, struct DerivedMesh *dm, float *vert_cos, float *co1, float* co2, float *min_d, int *min_face, float *min_uv, float *face_minmax, float *pa_minmax, float radius, float *ipoint); +/* BLI_bvhtree_ray_cast callback */ void particle_intersect_face(void *userdata, int index, const struct BVHTreeRay *ray, struct BVHTreeRayHit *hit); void psys_particle_on_dm(struct DerivedMesh *dm, int from, int index, int index_dmcache, float *fw, float foffset, float *vec, float *nor, float *utan, float *vtan, float *orco, float *ornor); /* particle_system.c */ -void initialize_particle(struct ParticleData *pa, int p, struct Object *ob, struct ParticleSystem *psys, struct ParticleSystemModifierData *psmd); - -int effector_find_co(struct Scene *scene, float *pco, struct SurfaceModifierData *sur, struct Object *ob, struct PartDeflect *pd, float *co, float *nor, float *vel, int *index); -void do_effectors(int pa_no, struct ParticleData *pa, struct ParticleKey *state, struct Scene *scene, struct Object *ob, struct ParticleSystem *psys, float *texco, float *force_field, float *vel,float framestep, float cfra); - +void initialize_particle(struct ParticleSimulationData *sim, struct ParticleData *pa, int p); void psys_calc_dmcache(struct Object *ob, struct DerivedMesh *dm, struct ParticleSystem *psys); int psys_particle_dm_face_lookup(struct Object *ob, struct DerivedMesh *dm, int index, float *fw, struct LinkNode *node); -void reset_particle(struct Scene *scene, struct ParticleData *pa, struct ParticleSystem *psys, struct ParticleSystemModifierData *psmd, struct Object *ob, - float dtime, float cfra, float *vg_vel, float *vg_tan, float *vg_rot); - +void reset_particle(struct ParticleSimulationData *sim, struct ParticleData *pa, float dtime, float cfra); /* psys_reset */ #define PSYS_RESET_ALL 1 @@ -321,12 +304,6 @@ void reset_particle(struct Scene *scene, struct ParticleData *pa, struct Particl #define PSYS_RESET_CHILDREN 3 #define PSYS_RESET_CACHE_MISS 4 -/* ParticleEffectorCache->type */ -#define PSYS_EC_EFFECTOR 1 -#define PSYS_EC_DEFLECT 2 -#define PSYS_EC_PARTICLE 4 -#define PSYS_EC_REACTOR 8 - /* index_dmcache */ #define DMCACHE_NOTFOUND -1 #define DMCACHE_ISCHILD -2 |