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Diffstat (limited to 'source/blender/blenkernel/BKE_particle.h')
| -rw-r--r-- | source/blender/blenkernel/BKE_particle.h | 254 |
1 files changed, 254 insertions, 0 deletions
diff --git a/source/blender/blenkernel/BKE_particle.h b/source/blender/blenkernel/BKE_particle.h new file mode 100644 index 00000000000..afed219dbc6 --- /dev/null +++ b/source/blender/blenkernel/BKE_particle.h @@ -0,0 +1,254 @@ +/* BKE_particle.h + * + * + * $Id: BKE_particle.h $ + * + * ***** BEGIN GPL/BL DUAL 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. The Blender + * Foundation also sells licenses for use in proprietary software under + * the Blender License. See http://www.blender.org/BL/ for information + * about this. + * + * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * The Original Code is Copyright (C) 2007 by Janne Karhu. + * All rights reserved. + * + * The Original Code is: all of this file. + * + * Contributor(s): none yet. + * + * ***** END GPL/BL DUAL LICENSE BLOCK ***** + */ + +#ifndef BKE_PARTICLE_H +#define BKE_PARTICLE_H + +#include "DNA_particle_types.h" +#include "DNA_object_types.h" + +struct ParticleSystemModifierData; +struct ParticleSystem; +struct ParticleKey; +struct HairKey; + +struct Main; +struct Group; +struct Object; +struct DerivedMesh; +struct ModifierData; +struct MTFace; +struct MFace; +struct MVert; +struct IpoCurve; +struct LinkNode; +struct KDTree; + +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; + + short type, psys_nbr; + + struct Object obcopy; /* for restoring transformation data */ +} ParticleEffectorCache; + +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 */ + float time, life, exist, size; /* used in init */ + float pvel[3]; /* used in physics */ + float length, clump, kink; /* used in path caching */ +} ParticleTexture; + +typedef struct BoidVecFunc{ + void (*Addf)(float *v, float *v1, float *v2); + void (*Subf)(float *v, float *v1, float *v2); + void (*Mulf)(float *v, float f); + float (*Length)(float *v); + float (*Normalize)(float *v); + float (*Inpf)(float *v1, float *v2); + void (*Copyf)(float *v1, float *v2); +} BoidVecFunc; + +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]; + int steps; +} ParticleCacheKey; + +typedef struct ParticleEditKey{ + float *co; + float *vel; + float *rot; + float *time; + + float world_co[3]; + float length; + short flag; +} ParticleEditKey; + +typedef struct ParticleUndo { + struct ParticleUndo *next, *prev; + struct ParticleEditKey **keys; + struct KDTree *emitter_field; + struct ParticleData *particles; + float *emitter_cosnos; + int totpart, totkeys; + char name[64]; +} ParticleUndo; + +typedef struct ParticleEdit{ + ListBase undo; + struct ParticleUndo *curundo; + struct KDTree *emitter_field; + ParticleEditKey **keys; + int *mirror_cache; + float *emitter_cosnos; + + int totkeys; +} ParticleEdit; + +/* ----------- 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); +short psys_get_current_num(struct Object *ob); +//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 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); +int psys_in_edit_mode(struct ParticleSystem *psys); + +void psys_free_settings(struct ParticleSettings *part); +void free_child_path_cache(struct ParticleSystem *psys); +void psys_free_path_cache(struct ParticleSystem *psys); +void free_hair(struct ParticleSystem *psys); +void free_keyed_keys(struct ParticleSystem *psys); +void psys_free(struct Object * ob, struct ParticleSystem * psys); + +void clear_particles_from_cache(struct Object *ob, struct ParticleSystem *psys, int cfra); +//void psys_remove_from_particle_list(struct Object *ob, short nbr, struct ParticleSystem *psys); + +void psys_interpolate_uvs(struct MTFace *tface, int quad, float *uv, float *uvco); + +void copy_particle_key(struct ParticleKey *to, struct ParticleKey *from, int time); + +void psys_particle_on_emitter(struct Object *ob, struct ParticleSystemModifierData *psmd, int distr, int index, int index_dmcache, float *fuv, float foffset, float *vec, float *nor, float *utan, float *vtan); +struct ParticleSystemModifierData *psys_get_modifier(struct Object *ob, struct ParticleSystem *psys); + +struct ParticleSettings *psys_new_settings(char *name, struct Main *main); +struct ParticleSettings *psys_copy_settings(struct ParticleSettings *part); +void psys_flush_settings(struct ParticleSettings *part, int event, int hair_recalc); + +void psys_find_parents(struct Object *ob, struct ParticleSystemModifierData *psmd, struct ParticleSystem *psys); + +void psys_cache_paths(struct Object *ob, struct ParticleSystem *psys, float cfra, int editupdate); +void psys_cache_child_paths(struct Object *ob, struct ParticleSystem *psys, float cfra, int editupdate); +int do_guide(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); +float psys_get_child_time(struct ParticleSystem *psys, int child_nbr, float cfra); +float psys_get_child_size(struct ParticleSystem *psys, int child_nbr, float cfra, float *pa_time); +void psys_get_particle_on_path(struct Object *ob, struct ParticleSystem *psys, int pa_num, struct ParticleKey *state, int vel); +int psys_get_particle_state(struct Object *ob, struct ParticleSystem *psys, int p, struct ParticleKey *state, int always); + +/* particle_system.c */ +int 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 Object *obsrc, struct Group *group, struct ParticleSystem *psys); +void psys_end_effectors(struct ParticleSystem *psys); + +void particle_system_update(struct Object *ob, struct ParticleSystem *psys); + +/* ----------- functions needed only inside particlesystem ------------ */ +/* particle.c */ +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]); + +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_interpolate_face(struct MVert *mvert, struct MFace *mface, struct MTFace *tface, float *uv, float *vec, float *nor, float *utan, float *vtan); +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); + +int psys_intersect_dm(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); +void psys_particle_on_dm(struct Object *ob, struct DerivedMesh *dm, int from, int index, int index_dmcache, float *fw, float foffset, float *vec, float *nor, float *utan, float *vtan); + +/* particle_system.c */ +void initialize_particle(struct ParticleData *pa, int p, struct Object *ob, struct ParticleSystem *psys, struct ParticleSystemModifierData *psmd); +void reset_particle(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); + +int psys_particle_dm_face_lookup(struct Object *ob, struct DerivedMesh *dm, int index, float *fw, struct LinkNode *node); + +/* ParticleEffectorCache->type */ +#define PSYS_EC_EFFECTOR 1 +#define PSYS_EC_DEFLECT 2 +#define PSYS_EC_PARTICLE 4 +#define PSYS_EC_REACTOR 8 + +/* ParticleEditKey->flag */ +#define PEK_SELECT 1 +#define PEK_TO_SELECT 2 +#define PEK_TAG 4 +#define PEK_HIDE 8 + +/* index_dmcache */ +#define DMCACHE_NOTFOUND -1 +#define DMCACHE_ISCHILD -2 + +#endif |