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Diffstat (limited to 'source/blender/blenkernel/BKE_particle.h')
| -rw-r--r-- | source/blender/blenkernel/BKE_particle.h | 481 |
1 files changed, 0 insertions, 481 deletions
diff --git a/source/blender/blenkernel/BKE_particle.h b/source/blender/blenkernel/BKE_particle.h deleted file mode 100644 index b3e3968ca9b..00000000000 --- a/source/blender/blenkernel/BKE_particle.h +++ /dev/null @@ -1,481 +0,0 @@ -/* - * ***** BEGIN GPL LICENSE BLOCK ***** - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * The Original Code is Copyright (C) 2007 by Janne Karhu. - * All rights reserved. - * - * The Original Code is: all of this file. - * - * Adaptive time step - * Classical SPH - * Copyright 2011-2012 AutoCRC - * - * ***** END GPL LICENSE BLOCK ***** - */ - -#ifndef __BKE_PARTICLE_H__ -#define __BKE_PARTICLE_H__ - -/** \file BKE_particle.h - * \ingroup bke - */ - -#include "BLI_utildefines.h" - -#include "DNA_particle_types.h" -#include "DNA_object_types.h" - -#include "BKE_customdata.h" - -struct ParticleSystemModifierData; -struct ParticleSystem; -struct ParticleKey; -struct ParticleSettings; - -struct Main; -struct Object; -struct Scene; -struct DerivedMesh; -struct ModifierData; -struct MTFace; -struct MCol; -struct MFace; -struct MVert; -struct LatticeDeformData; -struct LinkNode; -struct KDTree; -struct RNG; -struct BVHTreeRay; -struct BVHTreeRayHit; -struct EdgeHash; - -#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))) -/* 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) - -/* fast but sure way to get the modifier*/ -#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 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; -} 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); -} 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 */ -} ParticleTexture; - -typedef struct ParticleSeam { - 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; -} ParticleCacheKey; - -typedef struct ParticleThreadContext { - /* shared */ - struct ParticleSimulationData sim; - struct DerivedMesh *dm; - struct Material *ma; - - /* distribution */ - struct KDTree *tree; - - struct ParticleSeam *seams; - int totseam; - - float *jit, *jitoff, *weight; - float maxweight; - int *index, *skip, jitlevel; - - int cfrom, distr; - - struct ParticleData *tpars; - - /* path caching */ - bool editupdate; - int between, segments, extra_segments; - int totchild, totparent, parent_pass; - - float cfra; - - float *vg_length, *vg_clump, *vg_kink; - float *vg_rough1, *vg_rough2, *vg_roughe; - float *vg_effector; - - struct CurveMapping *clumpcurve; - struct CurveMapping *roughcurve; -} ParticleThreadContext; - -typedef struct ParticleTask { - ParticleThreadContext *ctx; - struct RNG *rng, *rng_path; - int begin, end; -} ParticleTask; - -typedef struct ParticleBillboardData { - struct Object *ob; - float vec[3], vel[3]; - float offset[2]; - float size[2]; - float tilt, random, time; - int uv[3]; - int lock, num; - int totnum; - int lifetime; - short align, uv_split, anim, split_offset; -} ParticleBillboardData; - -typedef struct ParticleCollisionElement { - /* pointers to original data */ - float *x[3], *v[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]; - - /* count of original data (1-4) */ - int tot; - - /* index of the collision face */ - int index; - - /* 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 CollisionModifierData *md; // collision modifier for current object; - - float f; // time factor of previous collision, needed for substracting face velocity - float fac1, fac2; - - float cfra, old_cfra; - - float original_ray_length; //original length of co2-co1, needed for collision time evaluation - - int skip_count; - - 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; - - float radius; - float co1[3], co2[3]; - float ve1[3], ve2[3]; - - float acc[3], boid_z; - - 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 tot_vec_size, flag; - int totpoint, totve; -} ParticleDrawData; - -#define PARTICLE_DRAW_DATA_UPDATED 1 - -#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]; - -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]; -} - -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]; -} - -/* ----------- 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_get_child_number(struct Scene *scene, struct ParticleSystem *psys); -int psys_get_tot_child(struct Scene *scene, struct ParticleSystem *psys); - -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); -/* UNUSED */ -// struct Object *psys_find_object(struct Scene *scene, struct ParticleSystem *psys); - -struct LatticeDeformData *psys_create_lattice_deform_data(struct ParticleSimulationData *sim); - -bool psys_in_edit_mode(struct Scene *scene, struct ParticleSystem *psys); -bool psys_check_enabled(struct Object *ob, struct ParticleSystem *psys, const bool use_render_params); -bool psys_check_edited(struct ParticleSystem *psys); - -void psys_check_group_weights(struct ParticleSettings *part); -int psys_uses_gravity(struct ParticleSimulationData *sim); - -/* free */ -void BKE_particlesettings_free(struct ParticleSettings *part); -void psys_free_path_cache(struct ParticleSystem *psys, struct PTCacheEdit *edit); -void psys_free(struct Object *ob, struct ParticleSystem *psys); - -void psys_render_set(struct Object *ob, struct ParticleSystem *psys, float viewmat[4][4], float winmat[4][4], int winx, int winy, int timeoffset); -void psys_render_restore(struct Object *ob, struct ParticleSystem *psys); -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); - -CustomDataMask psys_emitter_customdata_mask(struct ParticleSystem *psys); -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], float ornor[3]); -struct ParticleSystemModifierData *psys_get_modifier(struct Object *ob, struct ParticleSystem *psys); - -struct ModifierData *object_add_particle_system(struct Scene *scene, struct Object *ob, const char *name); -void object_remove_particle_system(struct Scene *scene, struct Object *ob); -struct ParticleSettings *psys_new_settings(const char *name, struct Main *main); -struct ParticleSettings *BKE_particlesettings_copy(struct Main *bmain, 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); - -void psys_find_parents(struct ParticleSimulationData *sim, const bool use_render_params); - -void psys_cache_paths(struct ParticleSimulationData *sim, float cfra, const bool use_render_params); -void psys_cache_edit_paths(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 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); - -/* child paths */ -void BKE_particlesettings_clump_curve_init(struct ParticleSettings *part); -void BKE_particlesettings_rough_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], const float ornor[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_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_free(struct ParticleTask *tasks, int numtasks); - -void psys_make_billboard(ParticleBillboardData *bb, float xvec[3], float yvec[3], float zvec[3], float center[3]); -void psys_apply_hair_lattice(struct Scene *scene, struct Object *ob, struct ParticleSystem *psys); - -/* particle_system.c */ -struct ParticleSystem *psys_get_target_system(struct Object *ob, struct ParticleTarget *pt); -void psys_count_keyed_targets(struct ParticleSimulationData *sim); -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_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 particle_system_update(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 cd_flag); - -void BKE_particlesystem_id_loop(struct ParticleSystem *psys, ParticleSystemIDFunc func, void *userdata); - -/* ----------- 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, bool velocity); -void psys_vec_rot_to_face(struct DerivedMesh *dm, struct ParticleData *pa, float vec[3]); -void psys_mat_hair_to_object(struct Object *ob, struct DerivedMesh *dm, short from, struct ParticleData *pa, float hairmat[4][4]); -void psys_mat_hair_to_global(struct Object *ob, struct DerivedMesh *dm, short from, struct ParticleData *pa, float hairmat[4][4]); -void psys_mat_hair_to_orco(struct Object *ob, struct DerivedMesh *dm, 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 DerivedMesh *dm, 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], - float orco[3], float ornor[3]); -float psys_particle_value_from_verts(struct DerivedMesh *dm, 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 DerivedMesh *dm_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], float ornor[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 DerivedMesh *dm_final, struct DerivedMesh *dm_deformed, struct ParticleSystem *psys); -int psys_particle_dm_face_lookup(struct DerivedMesh *dm_final, struct DerivedMesh *dm_deformed, 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); - -typedef struct ParticleRenderElem { - int curchild, totchild, reduce; - float lambda, t, scalemin, scalemax; -} ParticleRenderElem; - -typedef struct ParticleRenderData { - ChildParticle *child; - ParticleCacheKey **pathcache; - ParticleCacheKey **childcache; - ListBase pathcachebufs, childcachebufs; - int totchild, totcached, totchildcache; - struct DerivedMesh *dm; - int totdmvert, totdmedge, totdmface; - - float mat[4][4]; - float viewmat[4][4], winmat[4][4]; - int winx, winy; - - int do_simplify; - int timeoffset; - ParticleRenderElem *elems; - - /* ORIGINDEX */ - const int *index_mf_to_mpoly; - const int *index_mp_to_orig; -} ParticleRenderData; - -/* psys_reset */ -#define PSYS_RESET_ALL 1 -#define PSYS_RESET_DEPSGRAPH 2 -/* #define PSYS_RESET_CHILDREN 3 */ /*UNUSED*/ -#define PSYS_RESET_CACHE_MISS 4 - -/* index_dmcache */ -#define DMCACHE_NOTFOUND -1 -#define DMCACHE_ISCHILD -2 - -/* **** Depsgraph evaluation **** */ - -struct EvaluationContext; - -void BKE_particle_system_eval(struct EvaluationContext *eval_ctx, - struct Scene *scene, - struct Object *ob, - struct ParticleSystem *psys); - -#endif |