diff options
Diffstat (limited to 'source/blender/blenkernel/BKE_particle.h')
| -rw-r--r-- | source/blender/blenkernel/BKE_particle.h | 37 |
1 files changed, 31 insertions, 6 deletions
diff --git a/source/blender/blenkernel/BKE_particle.h b/source/blender/blenkernel/BKE_particle.h index ec03f53dbdb..f15ad296e4a 100644 --- a/source/blender/blenkernel/BKE_particle.h +++ b/source/blender/blenkernel/BKE_particle.h @@ -20,7 +20,9 @@ * * The Original Code is: all of this file. * - * Contributor(s): none yet. + * Adaptive time step + * Classical SPH + * Copyright 2011-2012 AutoCRC * * ***** END GPL LICENSE BLOCK ***** */ @@ -58,6 +60,7 @@ struct RNG; struct SurfaceModifierData; struct BVHTreeRay; struct BVHTreeRayHit; +struct EdgeHash; #define PARTICLE_P ParticleData * pa; int p #define LOOP_PARTICLES for (p = 0, pa = psys->particles; p < psys->totpart; p++, pa++) @@ -85,6 +88,24 @@ typedef struct ParticleSimulationData { 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, float squared_dist); +} SPHData; + typedef struct ParticleTexture { float ivel; /* used in reset */ float time, life, exist, size; /* used in init */ @@ -247,7 +268,7 @@ 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], float winmat[][4], int winx, int winy, int timeoffset); +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); int psys_render_simplify_distribution(struct ParticleThreadContext *ctx, int tot); int psys_render_simplify_params(struct ParticleSystem *psys, struct ChildParticle *cpa, float *params); @@ -283,12 +304,16 @@ float psys_get_child_size(struct ParticleSystem *psys, struct ChildParticle *cpa 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); +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], float *scale); + struct ParticleCacheKey *cache, float mat[4][4], float *scale); ParticleThread *psys_threads_create(struct ParticleSimulationData *sim); void psys_threads_free(ParticleThread *threads); @@ -322,9 +347,9 @@ 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_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]); -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_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); |