diff options
Diffstat (limited to 'source/blender/blenkernel/BKE_particle.h')
| -rw-r--r-- | source/blender/blenkernel/BKE_particle.h | 554 |
1 files changed, 350 insertions, 204 deletions
diff --git a/source/blender/blenkernel/BKE_particle.h b/source/blender/blenkernel/BKE_particle.h index b2b7f9f9cb5..feb40d86151 100644 --- a/source/blender/blenkernel/BKE_particle.h +++ b/source/blender/blenkernel/BKE_particle.h @@ -61,185 +61,194 @@ struct ViewLayer; #define PARTICLE_COLLISION_MAX_COLLISIONS 10 -#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))) +#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))) /* OpenMP: Can only advance one variable within loop definition. */ -#define LOOP_DYNAMIC_PARTICLES for (p = 0; p < psys->totpart; p++) if ((pa = psys->particles + p)->state.time > 0.0f) +#define LOOP_DYNAMIC_PARTICLES \ + for (p = 0; p < psys->totpart; p++) \ + if ((pa = psys->particles + p)->state.time > 0.0f) /* fast but sure way to get the modifier*/ -#define PARTICLE_PSMD ParticleSystemModifierData *psmd = sim->psmd ? sim->psmd : psys_get_modifier(sim->ob, sim->psys) +#define PARTICLE_PSMD \ + ParticleSystemModifierData *psmd = sim->psmd ? sim->psmd : psys_get_modifier(sim->ob, sim->psys) /* common stuff that many particle functions need */ typedef struct ParticleSimulationData { - struct Depsgraph *depsgraph; - struct Scene *scene; - struct Object *ob; - struct ParticleSystem *psys; - struct ParticleSystemModifierData *psmd; - struct ListBase *colliders; - /* Courant number. This is used to implement an adaptive time step. Only the - * maximum value per time step is important. Only sph_integrate makes use of - * this at the moment. Other solvers could, too. */ - float courant_num; - /* Only valid during dynamics_step(). */ - struct RNG *rng; + struct Depsgraph *depsgraph; + struct Scene *scene; + struct Object *ob; + struct ParticleSystem *psys; + struct ParticleSystemModifierData *psmd; + struct ListBase *colliders; + /* Courant number. This is used to implement an adaptive time step. Only the + * maximum value per time step is important. Only sph_integrate makes use of + * this at the moment. Other solvers could, too. */ + float courant_num; + /* Only valid during dynamics_step(). */ + struct RNG *rng; } ParticleSimulationData; typedef struct SPHData { - ParticleSystem *psys[10]; - ParticleData *pa; - float mass; - struct EdgeHash *eh; - float *gravity; - float hfac; - /* Average distance to neighbours (other particles in the support domain), - * for calculating the Courant number (adaptive time step). */ - int pass; - float element_size; - float flow[3]; - - /* Integrator callbacks. This allows different SPH implementations. */ - void (*force_cb) (void *sphdata_v, ParticleKey *state, float *force, float *impulse); - void (*density_cb) (void *rangedata_v, int index, const float co[3], float squared_dist); + ParticleSystem *psys[10]; + ParticleData *pa; + float mass; + struct EdgeHash *eh; + float *gravity; + float hfac; + /* Average distance to neighbours (other particles in the support domain), + * for calculating the Courant number (adaptive time step). */ + int pass; + float element_size; + float flow[3]; + + /* Integrator callbacks. This allows different SPH implementations. */ + void (*force_cb)(void *sphdata_v, ParticleKey *state, float *force, float *impulse); + void (*density_cb)(void *rangedata_v, int index, const float co[3], float squared_dist); } SPHData; typedef struct ParticleTexture { - float ivel; /* used in reset */ - float time, life, exist, size; /* used in init */ - float damp, gravity, field; /* used in physics */ - float length, clump, kink_freq, kink_amp, effector; /* used in path caching */ - float rough1, rough2, roughe; /* used in path caching */ - float twist; /* used in path caching */ + float ivel; /* used in reset */ + float time, life, exist, size; /* used in init */ + float damp, gravity, field; /* used in physics */ + float length, clump, kink_freq, kink_amp, effector; /* used in path caching */ + float rough1, rough2, roughe; /* used in path caching */ + float twist; /* used in path caching */ } ParticleTexture; typedef struct ParticleSeam { - float v0[3], v1[3]; - float nor[3], dir[3], tan[3]; - float length2; + float v0[3], v1[3]; + float nor[3], dir[3], tan[3]; + float length2; } ParticleSeam; typedef struct ParticleCacheKey { - float co[3]; - float vel[3]; - float rot[4]; - float col[3]; - float time; - int segments; + float co[3]; + float vel[3]; + float rot[4]; + float col[3]; + float time; + int segments; } ParticleCacheKey; typedef struct ParticleThreadContext { - /* shared */ - struct ParticleSimulationData sim; - struct Mesh *mesh; - struct Material *ma; + /* shared */ + struct ParticleSimulationData sim; + struct Mesh *mesh; + struct Material *ma; - /* distribution */ - struct KDTree_3d *tree; + /* distribution */ + struct KDTree_3d *tree; - struct ParticleSeam *seams; - int totseam; + struct ParticleSeam *seams; + int totseam; - float *jit, *jitoff, *weight; - float maxweight; - int *index, jitlevel; + float *jit, *jitoff, *weight; + float maxweight; + int *index, jitlevel; - int cfrom, distr; + int cfrom, distr; - struct ParticleData *tpars; + struct ParticleData *tpars; - /* path caching */ - bool editupdate; - int between, segments, extra_segments; - int totchild, totparent, parent_pass; + /* path caching */ + bool editupdate; + int between, segments, extra_segments; + int totchild, totparent, parent_pass; - float cfra; + float cfra; - float *vg_length, *vg_clump, *vg_kink; - float *vg_rough1, *vg_rough2, *vg_roughe; - float *vg_effector; - float *vg_twist; + float *vg_length, *vg_clump, *vg_kink; + float *vg_rough1, *vg_rough2, *vg_roughe; + float *vg_effector; + float *vg_twist; - struct CurveMapping *clumpcurve; - struct CurveMapping *roughcurve; - struct CurveMapping *twistcurve; + struct CurveMapping *clumpcurve; + struct CurveMapping *roughcurve; + struct CurveMapping *twistcurve; } ParticleThreadContext; typedef struct ParticleTask { - ParticleThreadContext *ctx; - struct RNG *rng, *rng_path; - int begin, end; + ParticleThreadContext *ctx; + struct RNG *rng, *rng_path; + int begin, end; } ParticleTask; typedef struct ParticleCollisionElement { - /* pointers to original data */ - float *x[3], *v[3]; + /* pointers to original data */ + float *x[3], *v[3]; - /* values interpolated from original data*/ - float x0[3], x1[3], x2[3], p[3]; + /* values interpolated from original data*/ + float x0[3], x1[3], x2[3], p[3]; - /* results for found intersection point */ - float nor[3], vel[3], uv[2]; + /* results for found intersection point */ + float nor[3], vel[3], uv[2]; - /* count of original data (1-4) */ - int tot; + /* count of original data (1-4) */ + int tot; - /* index of the collision face */ - int index; + /* index of the collision face */ + int index; - /* flags for inversed normal / particle already inside element at start */ - short inv_nor, inside; + /* flags for inversed normal / particle already inside element at start */ + short inv_nor, inside; } ParticleCollisionElement; /* container for moving data between deflet_particle and particle_intersect_face */ typedef struct ParticleCollision { - struct Object *current; - struct Object *hit; - struct Object *skip[PARTICLE_COLLISION_MAX_COLLISIONS + 1]; - struct Object *emitter; + struct Object *current; + struct Object *hit; + struct Object *skip[PARTICLE_COLLISION_MAX_COLLISIONS + 1]; + struct Object *emitter; - struct CollisionModifierData *md; // collision modifier for current object; + struct CollisionModifierData *md; // collision modifier for current object; - float f; // time factor of previous collision, needed for substracting face velocity - float fac1, fac2; + float f; // time factor of previous collision, needed for substracting face velocity + float fac1, fac2; - float cfra, old_cfra; + float cfra, old_cfra; - float original_ray_length; //original length of co2-co1, needed for collision time evaluation + float original_ray_length; //original length of co2-co1, needed for collision time evaluation - int skip_count; + int skip_count; - ParticleCollisionElement pce; + ParticleCollisionElement pce; - /* total_time is the amount of time in this subframe - * inv_total_time is the opposite - * inv_timestep is the inverse of the amount of time in this frame */ - float total_time, inv_total_time, inv_timestep; + /* total_time is the amount of time in this subframe + * inv_total_time is the opposite + * inv_timestep is the inverse of the amount of time in this frame */ + float total_time, inv_total_time, inv_timestep; - float radius; - float co1[3], co2[3]; - float ve1[3], ve2[3]; + float radius; + float co1[3], co2[3]; + float ve1[3], ve2[3]; - float acc[3], boid_z; + float acc[3], boid_z; - int boid; + int boid; } 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_col; - int totpart, partsize; - int flag; - int totpoint, totve; + float *vdata, *vd; /* vertice data */ + float *ndata, *nd; /* normal data */ + float *cdata, *cd; /* color data */ + float *vedata, *ved; /* velocity data */ + float *ma_col; + int totpart, partsize; + int flag; + int totpoint, totve; } ParticleDrawData; -#define PARTICLE_DRAW_DATA_UPDATED 1 +#define PARTICLE_DRAW_DATA_UPDATED 1 -#define PSYS_FRAND_COUNT 1024 +#define PSYS_FRAND_COUNT 1024 extern unsigned int PSYS_FRAND_SEED_OFFSET[PSYS_FRAND_COUNT]; extern unsigned int PSYS_FRAND_SEED_MULTIPLIER[PSYS_FRAND_COUNT]; extern float PSYS_FRAND_BASE[PSYS_FRAND_COUNT]; @@ -248,23 +257,23 @@ void psys_init_rng(void); BLI_INLINE float psys_frand(ParticleSystem *psys, unsigned int seed) { - /* XXX far from ideal, this simply scrambles particle random numbers a bit - * to avoid obvious correlations. - * Can't use previous psys->frand arrays because these require initialization - * inside psys_check_enabled, which wreaks havok in multithreaded depgraph updates. - */ - unsigned int offset = PSYS_FRAND_SEED_OFFSET[psys->seed % PSYS_FRAND_COUNT]; - unsigned int multiplier = PSYS_FRAND_SEED_MULTIPLIER[psys->seed % PSYS_FRAND_COUNT]; - return PSYS_FRAND_BASE[(offset + seed * multiplier) % PSYS_FRAND_COUNT]; + /* XXX far from ideal, this simply scrambles particle random numbers a bit + * to avoid obvious correlations. + * Can't use previous psys->frand arrays because these require initialization + * inside psys_check_enabled, which wreaks havok in multithreaded depgraph updates. + */ + unsigned int offset = PSYS_FRAND_SEED_OFFSET[psys->seed % PSYS_FRAND_COUNT]; + unsigned int multiplier = PSYS_FRAND_SEED_MULTIPLIER[psys->seed % PSYS_FRAND_COUNT]; + return PSYS_FRAND_BASE[(offset + seed * multiplier) % PSYS_FRAND_COUNT]; } BLI_INLINE void psys_frand_vec(ParticleSystem *psys, unsigned int seed, float vec[3]) { - unsigned int offset = PSYS_FRAND_SEED_OFFSET[psys->seed % PSYS_FRAND_COUNT]; - unsigned int multiplier = PSYS_FRAND_SEED_MULTIPLIER[psys->seed % PSYS_FRAND_COUNT]; - vec[0] = PSYS_FRAND_BASE[(offset + (seed + 0) * multiplier) % PSYS_FRAND_COUNT]; - vec[1] = PSYS_FRAND_BASE[(offset + (seed + 1) * multiplier) % PSYS_FRAND_COUNT]; - vec[2] = PSYS_FRAND_BASE[(offset + (seed + 2) * multiplier) % PSYS_FRAND_COUNT]; + unsigned int offset = PSYS_FRAND_SEED_OFFSET[psys->seed % PSYS_FRAND_COUNT]; + unsigned int multiplier = PSYS_FRAND_SEED_MULTIPLIER[psys->seed % PSYS_FRAND_COUNT]; + vec[0] = PSYS_FRAND_BASE[(offset + (seed + 0) * multiplier) % PSYS_FRAND_COUNT]; + vec[1] = PSYS_FRAND_BASE[(offset + (seed + 1) * multiplier) % PSYS_FRAND_COUNT]; + vec[2] = PSYS_FRAND_BASE[(offset + (seed + 2) * multiplier) % PSYS_FRAND_COUNT]; } /* ----------- functions needed outside particlesystem ---------------- */ @@ -272,8 +281,12 @@ BLI_INLINE void psys_frand_vec(ParticleSystem *psys, unsigned int seed, float ve int count_particles(struct ParticleSystem *psys); int count_particles_mod(struct ParticleSystem *psys, int totgr, int cur); -int psys_get_child_number(struct Scene *scene, struct ParticleSystem *psys, const bool use_render_params); -int psys_get_tot_child(struct Scene *scene, struct ParticleSystem *psys, const bool use_render_params); +int psys_get_child_number(struct Scene *scene, + struct ParticleSystem *psys, + const bool use_render_params); +int psys_get_tot_child(struct Scene *scene, + struct ParticleSystem *psys, + const bool use_render_params); struct ParticleSystem *psys_get_current(struct Object *ob); /* for rna */ @@ -290,7 +303,6 @@ struct LatticeDeformData *psys_create_lattice_deform_data(struct ParticleSimulat * same as the input. */ struct ParticleSystem *psys_orig_get(struct ParticleSystem *psys); - /* For a given original object and its particle system, get evaluated particle * system within a given dependency graph. */ struct ParticleSystem *psys_eval_get(struct Depsgraph *depsgraph, @@ -298,7 +310,9 @@ struct ParticleSystem *psys_eval_get(struct Depsgraph *depsgraph, struct ParticleSystem *psys); bool psys_in_edit_mode(struct Depsgraph *depsgraph, const struct ParticleSystem *psys); -bool psys_check_enabled(struct Object *ob, struct ParticleSystem *psys, const bool use_render_params); +bool psys_check_enabled(struct Object *ob, + struct ParticleSystem *psys, + const bool use_render_params); bool psys_check_edited(struct ParticleSystem *psys); void psys_find_group_weights(struct ParticleSettings *part); @@ -314,28 +328,46 @@ void psys_free(struct Object *ob, struct ParticleSystem *psys); /* Copy. */ void psys_copy_particles(struct ParticleSystem *psys_dst, struct ParticleSystem *psys_src); -bool psys_render_simplify_params(struct ParticleSystem *psys, struct ChildParticle *cpa, float *params); +bool psys_render_simplify_params(struct ParticleSystem *psys, + struct ChildParticle *cpa, + float *params); void psys_interpolate_uvs(const struct MTFace *tface, int quad, const float w[4], float uvco[2]); void psys_interpolate_mcol(const struct MCol *mcol, int quad, const float w[4], struct MCol *mc); void copy_particle_key(struct ParticleKey *to, struct ParticleKey *from, int time); -void psys_emitter_customdata_mask(struct ParticleSystem *psys, struct CustomData_MeshMasks *r_cddata_masks); -void psys_particle_on_emitter(struct ParticleSystemModifierData *psmd, int distr, int index, int index_dmcache, - float fuv[4], float foffset, float vec[3], float nor[3], - float utan[3], float vtan[3], float orco[3]); -struct ParticleSystemModifierData *psys_get_modifier(struct Object *ob, struct ParticleSystem *psys); - -struct ModifierData *object_add_particle_system( - struct Main *bmain, struct Scene *scene, struct Object *ob, const char *name); +void psys_emitter_customdata_mask(struct ParticleSystem *psys, + struct CustomData_MeshMasks *r_cddata_masks); +void psys_particle_on_emitter(struct ParticleSystemModifierData *psmd, + int distr, + int index, + int index_dmcache, + float fuv[4], + float foffset, + float vec[3], + float nor[3], + float utan[3], + float vtan[3], + float orco[3]); +struct ParticleSystemModifierData *psys_get_modifier(struct Object *ob, + struct ParticleSystem *psys); + +struct ModifierData *object_add_particle_system(struct Main *bmain, + struct Scene *scene, + struct Object *ob, + const char *name); void object_remove_particle_system(struct Main *bmain, struct Scene *scene, struct Object *ob); struct ParticleSettings *BKE_particlesettings_add(struct Main *bmain, const char *name); -void BKE_particlesettings_copy_data( - struct Main *bmain, struct ParticleSettings *part_dst, const struct ParticleSettings *part_src, - const int flag); -struct ParticleSettings *BKE_particlesettings_copy(struct Main *bmain, const struct ParticleSettings *part); -void BKE_particlesettings_make_local(struct Main *bmain, struct ParticleSettings *part, const bool lib_local); +void BKE_particlesettings_copy_data(struct Main *bmain, + struct ParticleSettings *part_dst, + const struct ParticleSettings *part_src, + const int flag); +struct ParticleSettings *BKE_particlesettings_copy(struct Main *bmain, + const struct ParticleSettings *part); +void BKE_particlesettings_make_local(struct Main *bmain, + struct ParticleSettings *part, + const bool lib_local); void psys_reset(struct ParticleSystem *psys, int mode); @@ -343,42 +375,92 @@ void psys_find_parents(struct ParticleSimulationData *sim, const bool use_render void psys_unique_name(struct Object *object, struct ParticleSystem *psys, const char *defname); -void psys_cache_paths(struct ParticleSimulationData *sim, float cfra, const bool use_render_params); -void psys_cache_edit_paths(struct Depsgraph *depsgraph, struct Scene *scene, struct Object *ob, struct PTCacheEdit *edit, float cfra, const bool use_render_params); -void psys_cache_child_paths(struct ParticleSimulationData *sim, float cfra, const bool editupdate, const bool use_render_params); -int do_guides(struct Depsgraph *depsgraph, struct ParticleSettings *part, struct ListBase *effectors, ParticleKey *state, int pa_num, float time); +void psys_cache_paths(struct ParticleSimulationData *sim, + float cfra, + const bool use_render_params); +void psys_cache_edit_paths(struct Depsgraph *depsgraph, + struct Scene *scene, + struct Object *ob, + struct PTCacheEdit *edit, + float cfra, + const bool use_render_params); +void psys_cache_child_paths(struct ParticleSimulationData *sim, + float cfra, + const bool editupdate, + const bool use_render_params); +int do_guides(struct Depsgraph *depsgraph, + struct ParticleSettings *part, + 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 ParticleSimulationData *sim, int pa_num, struct ParticleKey *state, const bool vel); -int psys_get_particle_state(struct ParticleSimulationData *sim, int p, struct ParticleKey *state, int always); +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 ParticleSimulationData *sim, + int pa_num, + struct ParticleKey *state, + const bool vel); +int psys_get_particle_state(struct ParticleSimulationData *sim, + int p, + struct ParticleKey *state, + int always); /* child paths */ void BKE_particlesettings_clump_curve_init(struct ParticleSettings *part); void BKE_particlesettings_rough_curve_init(struct ParticleSettings *part); void BKE_particlesettings_twist_curve_init(struct ParticleSettings *part); -void psys_apply_child_modifiers(struct ParticleThreadContext *ctx, struct ListBase *modifiers, - struct ChildParticle *cpa, struct ParticleTexture *ptex, const float orco[3], float hairmat[4][4], - struct ParticleCacheKey *keys, struct ParticleCacheKey *parent_keys, const float parent_orco[3]); +void psys_apply_child_modifiers(struct ParticleThreadContext *ctx, + struct ListBase *modifiers, + struct ChildParticle *cpa, + struct ParticleTexture *ptex, + const float orco[3], + float hairmat[4][4], + struct ParticleCacheKey *keys, + struct ParticleCacheKey *parent_keys, + const float parent_orco[3]); void psys_sph_init(struct ParticleSimulationData *sim, struct SPHData *sphdata); void psys_sph_finalise(struct SPHData *sphdata); void psys_sph_density(struct BVHTree *tree, struct SPHData *data, float co[3], float vars[2]); /* for anim.c */ -void psys_get_dupli_texture(struct ParticleSystem *psys, struct ParticleSettings *part, - struct ParticleSystemModifierData *psmd, struct ParticleData *pa, struct ChildParticle *cpa, - float uv[2], float orco[3]); -void psys_get_dupli_path_transform(struct ParticleSimulationData *sim, struct ParticleData *pa, struct ChildParticle *cpa, - struct ParticleCacheKey *cache, float mat[4][4], float *scale); - -void psys_thread_context_init(struct ParticleThreadContext *ctx, struct ParticleSimulationData *sim); +void psys_get_dupli_texture(struct ParticleSystem *psys, + struct ParticleSettings *part, + struct ParticleSystemModifierData *psmd, + struct ParticleData *pa, + struct ChildParticle *cpa, + float uv[2], + float orco[3]); +void psys_get_dupli_path_transform(struct ParticleSimulationData *sim, + struct ParticleData *pa, + struct ChildParticle *cpa, + struct ParticleCacheKey *cache, + float mat[4][4], + float *scale); + +void psys_thread_context_init(struct ParticleThreadContext *ctx, + struct ParticleSimulationData *sim); void psys_thread_context_free(struct ParticleThreadContext *ctx); -void psys_tasks_create(struct ParticleThreadContext *ctx, int startpart, int endpart, struct ParticleTask **r_tasks, int *r_numtasks); +void psys_tasks_create(struct ParticleThreadContext *ctx, + int startpart, + int endpart, + struct ParticleTask **r_tasks, + int *r_numtasks); void psys_tasks_free(struct ParticleTask *tasks, int numtasks); -void psys_apply_hair_lattice(struct Depsgraph *depsgraph, struct Scene *scene, struct Object *ob, struct ParticleSystem *psys); +void psys_apply_hair_lattice(struct Depsgraph *depsgraph, + struct Scene *scene, + struct Object *ob, + struct ParticleSystem *psys); /* particle_system.c */ struct ParticleSystem *psys_get_target_system(struct Object *ob, struct ParticleTarget *pt); @@ -387,18 +469,34 @@ void psys_update_particle_tree(struct ParticleSystem *psys, float cfra); void psys_changed_type(struct Object *ob, struct ParticleSystem *psys); void psys_make_temp_pointcache(struct Object *ob, struct ParticleSystem *psys); -void psys_get_pointcache_start_end(struct Scene *scene, 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); -void psys_get_birth_coords(struct ParticleSimulationData *sim, struct ParticleData *pa, struct ParticleKey *state, float dtime, float cfra); +void psys_get_birth_coords(struct ParticleSimulationData *sim, + struct ParticleData *pa, + struct ParticleKey *state, + float dtime, + float cfra); -void particle_system_update(struct Depsgraph *depsgraph, struct Scene *scene, struct Object *ob, struct ParticleSystem *psys, const bool use_render_params); +void particle_system_update(struct Depsgraph *depsgraph, + struct Scene *scene, + struct Object *ob, + struct ParticleSystem *psys, + const bool use_render_params); /* Callback format for performing operations on ID-pointers for particle systems */ -typedef void (*ParticleSystemIDFunc)(struct ParticleSystem *psys, struct ID **idpoin, void *userdata, int cb_flag); +typedef void (*ParticleSystemIDFunc)(struct ParticleSystem *psys, + struct ID **idpoin, + void *userdata, + int cb_flag); -void BKE_particlesystem_id_loop(struct ParticleSystem *psys, ParticleSystemIDFunc func, void *userdata); +void BKE_particlesystem_id_loop(struct ParticleSystem *psys, + ParticleSystemIDFunc func, + void *userdata); /* Reset all particle systems in the given object. */ void BKE_particlesystem_reset_all(struct Object *object); @@ -413,64 +511,112 @@ 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, bool velocity); +void psys_interpolate_particle( + short type, struct ParticleKey keys[4], float dt, struct ParticleKey *result, bool velocity); void psys_vec_rot_to_face(struct Mesh *mesh, struct ParticleData *pa, float vec[3]); -void psys_mat_hair_to_object(struct Object *ob, struct Mesh *mesh, short from, struct ParticleData *pa, float hairmat[4][4]); -void psys_mat_hair_to_global(struct Object *ob, struct Mesh *mesh, short from, struct ParticleData *pa, float hairmat[4][4]); -void psys_mat_hair_to_orco(struct Object *ob, struct Mesh *mesh, short from, struct ParticleData *pa, float hairmat[4][4]); +void psys_mat_hair_to_object(struct Object *ob, + struct Mesh *mesh, + short from, + struct ParticleData *pa, + float hairmat[4][4]); +void psys_mat_hair_to_global(struct Object *ob, + struct Mesh *mesh, + short from, + struct ParticleData *pa, + float hairmat[4][4]); +void psys_mat_hair_to_orco(struct Object *ob, + struct Mesh *mesh, + short from, + struct ParticleData *pa, + float hairmat[4][4]); float psys_get_dietime_from_cache(struct PointCache *cache, int index); void psys_free_pdd(struct ParticleSystem *psys); float *psys_cache_vgroup(struct Mesh *mesh, struct ParticleSystem *psys, int vgroup); -void psys_get_texture(struct ParticleSimulationData *sim, struct ParticleData *pa, struct ParticleTexture *ptex, int event, float cfra); -void psys_interpolate_face(struct MVert *mvert, struct MFace *mface, struct MTFace *tface, - float (*orcodata)[3], float w[4], float vec[3], float nor[3], float utan[3], float vtan[3], +void psys_get_texture(struct ParticleSimulationData *sim, + struct ParticleData *pa, + struct ParticleTexture *ptex, + int event, + float cfra); +void psys_interpolate_face(struct MVert *mvert, + struct MFace *mface, + struct MTFace *tface, + float (*orcodata)[3], + float w[4], + float vec[3], + float nor[3], + float utan[3], + float vtan[3], float orco[3]); -float psys_particle_value_from_verts(struct Mesh *mesh, short from, struct ParticleData *pa, float *values); -void psys_get_from_key(struct ParticleKey *key, float loc[3], float vel[3], float rot[4], float *time); +float psys_particle_value_from_verts(struct Mesh *mesh, + short from, + struct ParticleData *pa, + float *values); +void psys_get_from_key( + struct ParticleKey *key, float loc[3], float vel[3], float rot[4], float *time); /* BLI_bvhtree_ray_cast callback */ -void BKE_psys_collision_neartest_cb(void *userdata, int index, const struct BVHTreeRay *ray, struct BVHTreeRayHit *hit); -void psys_particle_on_dm(struct Mesh *mesh_final, int from, int index, int index_dmcache, - const float fw[4], float foffset, float vec[3], float nor[3], float utan[3], float vtan[3], +void BKE_psys_collision_neartest_cb(void *userdata, + int index, + const struct BVHTreeRay *ray, + struct BVHTreeRayHit *hit); +void psys_particle_on_dm(struct Mesh *mesh_final, + int from, + int index, + int index_dmcache, + const float fw[4], + float foffset, + float vec[3], + float nor[3], + float utan[3], + float vtan[3], float orco[3]); /* particle_system.c */ void distribute_particles(struct ParticleSimulationData *sim, int from); void initialize_particle(struct ParticleSimulationData *sim, struct ParticleData *pa); -void psys_calc_dmcache(struct Object *ob, struct Mesh *mesh_final, struct Mesh *mesh_original, struct ParticleSystem *psys); -int psys_particle_dm_face_lookup(struct Mesh *mesh_final, struct Mesh *mesh_original, int findex, const float fw[4], struct LinkNode **poly_nodes); - -void reset_particle(struct ParticleSimulationData *sim, struct ParticleData *pa, float dtime, float cfra); - -float psys_get_current_display_percentage(struct ParticleSystem *psys, const bool use_render_params); +void psys_calc_dmcache(struct Object *ob, + struct Mesh *mesh_final, + struct Mesh *mesh_original, + struct ParticleSystem *psys); +int psys_particle_dm_face_lookup(struct Mesh *mesh_final, + struct Mesh *mesh_original, + int findex, + const float fw[4], + struct LinkNode **poly_nodes); + +void reset_particle(struct ParticleSimulationData *sim, + struct ParticleData *pa, + float dtime, + float cfra); + +float psys_get_current_display_percentage(struct ParticleSystem *psys, + const bool use_render_params); /* psys_reset */ -#define PSYS_RESET_ALL 1 -#define PSYS_RESET_DEPSGRAPH 2 +#define PSYS_RESET_ALL 1 +#define PSYS_RESET_DEPSGRAPH 2 /* #define PSYS_RESET_CHILDREN 3 */ /*UNUSED*/ -#define PSYS_RESET_CACHE_MISS 4 +#define PSYS_RESET_CACHE_MISS 4 /* index_dmcache */ -#define DMCACHE_NOTFOUND -1 -#define DMCACHE_ISCHILD -2 +#define DMCACHE_NOTFOUND -1 +#define DMCACHE_ISCHILD -2 /* **** Depsgraph evaluation **** */ struct Depsgraph; -void BKE_particle_settings_eval_reset( - struct Depsgraph *depsgraph, - struct ParticleSettings *particle_settings); +void BKE_particle_settings_eval_reset(struct Depsgraph *depsgraph, + struct ParticleSettings *particle_settings); -void BKE_particle_system_eval_init(struct Depsgraph *depsgraph, - struct Object *object); +void BKE_particle_system_eval_init(struct Depsgraph *depsgraph, struct Object *object); /* Draw Cache */ enum { - BKE_PARTICLE_BATCH_DIRTY_ALL = 0, + BKE_PARTICLE_BATCH_DIRTY_ALL = 0, }; void BKE_particle_batch_cache_dirty_tag(struct ParticleSystem *psys, int mode); void BKE_particle_batch_cache_free(struct ParticleSystem *psys); @@ -478,4 +624,4 @@ void BKE_particle_batch_cache_free(struct ParticleSystem *psys); extern void (*BKE_particle_batch_cache_dirty_tag_cb)(struct ParticleSystem *psys, int mode); extern void (*BKE_particle_batch_cache_free_cb)(struct ParticleSystem *psys); -#endif /* __BKE_PARTICLE_H__ */ +#endif /* __BKE_PARTICLE_H__ */ |