diff options
Diffstat (limited to 'source/blender/editors/physics/particle_object.c')
| -rw-r--r-- | source/blender/editors/physics/particle_object.c | 575 |
1 files changed, 575 insertions, 0 deletions
diff --git a/source/blender/editors/physics/particle_object.c b/source/blender/editors/physics/particle_object.c new file mode 100644 index 00000000000..cef630b6711 --- /dev/null +++ b/source/blender/editors/physics/particle_object.c @@ -0,0 +1,575 @@ +/** + * $Id: + * + * ***** 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * The Original Code is Copyright (C) 2009 Blender Foundation. + * All rights reserved. + * + * Contributor(s): Blender Foundation + * + * ***** END GPL LICENSE BLOCK ***** + */ + +#include <stdlib.h> +#include <string.h> + +#include "MEM_guardedalloc.h" + +#include "DNA_meshdata_types.h" +#include "DNA_modifier_types.h" +#include "DNA_object_types.h" +#include "DNA_particle_types.h" +#include "DNA_scene_types.h" +#include "DNA_windowmanager_types.h" + +#include "BLI_arithb.h" +#include "BLI_listbase.h" + +#include "BKE_context.h" +#include "BKE_depsgraph.h" +#include "BKE_DerivedMesh.h" +#include "BKE_cdderivedmesh.h" +#include "BKE_main.h" +#include "BKE_particle.h" +#include "BKE_pointcache.h" +#include "BKE_utildefines.h" + +#include "RNA_access.h" +#include "RNA_define.h" + +#include "WM_api.h" +#include "WM_types.h" + +#include "ED_particle.h" + +#include "physics_intern.h" + +/********************** particle system slot operators *********************/ + +static int particle_system_add_exec(bContext *C, wmOperator *op) +{ + Object *ob= CTX_data_pointer_get_type(C, "object", &RNA_Object).data; + Scene *scene = CTX_data_scene(C); + + if(!scene || !ob) + return OPERATOR_CANCELLED; + + object_add_particle_system(scene, ob); + WM_event_add_notifier(C, NC_OBJECT|ND_DRAW, ob); + + return OPERATOR_FINISHED; +} + +void OBJECT_OT_particle_system_add(wmOperatorType *ot) +{ + /* identifiers */ + ot->name= "Add Particle System Slot"; + ot->idname= "OBJECT_OT_particle_system_add"; + ot->description="Add a particle system."; + + /* api callbacks */ + ot->exec= particle_system_add_exec; + + /* flags */ + ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO; +} + +static int particle_system_remove_exec(bContext *C, wmOperator *op) +{ + Object *ob= CTX_data_pointer_get_type(C, "object", &RNA_Object).data; + Scene *scene = CTX_data_scene(C); + + if(!scene || !ob) + return OPERATOR_CANCELLED; + + object_remove_particle_system(scene, ob); + WM_event_add_notifier(C, NC_OBJECT|ND_DRAW, ob); + + return OPERATOR_FINISHED; +} + +void OBJECT_OT_particle_system_remove(wmOperatorType *ot) +{ + /* identifiers */ + ot->name= "Remove Particle System Slot"; + ot->idname= "OBJECT_OT_particle_system_remove"; + ot->description="Remove the selected particle system."; + + /* api callbacks */ + ot->exec= particle_system_remove_exec; + + /* flags */ + ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO; +} + +/********************** new particle settings operator *********************/ + +static int psys_poll(bContext *C) +{ + PointerRNA ptr = CTX_data_pointer_get_type(C, "particle_system", &RNA_ParticleSystem); + return (ptr.data != NULL); +} + +static int new_particle_settings_exec(bContext *C, wmOperator *op) +{ + Scene *scene = CTX_data_scene(C); + Main *bmain= CTX_data_main(C); + ParticleSystem *psys; + ParticleSettings *part = NULL; + Object *ob; + PointerRNA ptr; + + ptr = CTX_data_pointer_get_type(C, "particle_system", &RNA_ParticleSystem); + + psys = ptr.data; + + /* add or copy particle setting */ + if(psys->part) + part= psys_copy_settings(psys->part); + else + part= psys_new_settings("ParticleSettings", bmain); + + ob= ptr.id.data; + + if(psys->part) + psys->part->id.us--; + + psys->part = part; + + psys_check_boid_data(psys); + + DAG_scene_sort(scene); + DAG_id_flush_update(&ob->id, OB_RECALC_DATA); + + WM_event_add_notifier(C, NC_OBJECT|ND_DRAW, ob); + + return OPERATOR_FINISHED; +} + +void PARTICLE_OT_new(wmOperatorType *ot) +{ + /* identifiers */ + ot->name= "New Particle Settings"; + ot->idname= "PARTICLE_OT_new"; + ot->description="Add new particle settings."; + + /* api callbacks */ + ot->exec= new_particle_settings_exec; + ot->poll= psys_poll; + + /* flags */ + ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO; +} + +/********************** keyed particle target operators *********************/ + +static int new_particle_target_exec(bContext *C, wmOperator *op) +{ + Scene *scene = CTX_data_scene(C); + PointerRNA ptr = CTX_data_pointer_get_type(C, "particle_system", &RNA_ParticleSystem); + ParticleSystem *psys= ptr.data; + Object *ob = ptr.id.data; + + ParticleTarget *pt; + + if(!psys) + return OPERATOR_CANCELLED; + + pt = psys->targets.first; + for(; pt; pt=pt->next) + pt->flag &= ~PTARGET_CURRENT; + + pt = MEM_callocN(sizeof(ParticleTarget), "keyed particle target"); + + pt->flag |= PTARGET_CURRENT; + pt->psys = 1; + + BLI_addtail(&psys->targets, pt); + + DAG_scene_sort(scene); + DAG_id_flush_update(&ob->id, OB_RECALC_DATA); + + WM_event_add_notifier(C, NC_OBJECT|ND_DRAW, ob); + + return OPERATOR_FINISHED; +} + +void PARTICLE_OT_new_target(wmOperatorType *ot) +{ + /* identifiers */ + ot->name= "New Particle Target"; + ot->idname= "PARTICLE_OT_new_target"; + ot->description="Add a new particle target."; + + /* api callbacks */ + ot->exec= new_particle_target_exec; + + /* flags */ + ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO; +} + +static int remove_particle_target_exec(bContext *C, wmOperator *op) +{ + Scene *scene = CTX_data_scene(C); + PointerRNA ptr = CTX_data_pointer_get_type(C, "particle_system", &RNA_ParticleSystem); + ParticleSystem *psys= ptr.data; + Object *ob = ptr.id.data; + + ParticleTarget *pt; + + if(!psys) + return OPERATOR_CANCELLED; + + pt = psys->targets.first; + for(; pt; pt=pt->next) { + if(pt->flag & PTARGET_CURRENT) { + BLI_remlink(&psys->targets, pt); + MEM_freeN(pt); + break; + } + + } + pt = psys->targets.last; + + if(pt) + pt->flag |= PTARGET_CURRENT; + + DAG_scene_sort(scene); + DAG_id_flush_update(&ob->id, OB_RECALC_DATA); + + WM_event_add_notifier(C, NC_OBJECT|ND_DRAW, ob); + + return OPERATOR_FINISHED; +} + +void PARTICLE_OT_remove_target(wmOperatorType *ot) +{ + /* identifiers */ + ot->name= "Remove Particle Target"; + ot->idname= "PARTICLE_OT_remove_target"; + ot->description="Remove the selected particle target."; + + /* api callbacks */ + ot->exec= remove_particle_target_exec; + + /* flags */ + ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO; +} + +/************************ move up particle target operator *********************/ + +static int target_move_up_exec(bContext *C, wmOperator *op) +{ + PointerRNA ptr = CTX_data_pointer_get_type(C, "particle_system", &RNA_ParticleSystem); + ParticleSystem *psys= ptr.data; + Object *ob = ptr.id.data; + ParticleTarget *pt; + + if(!psys) + return OPERATOR_CANCELLED; + + pt = psys->targets.first; + for(; pt; pt=pt->next) { + if(pt->flag & PTARGET_CURRENT && pt->prev) { + BLI_remlink(&psys->targets, pt); + BLI_insertlink(&psys->targets, pt->prev->prev, pt); + + DAG_id_flush_update(&ob->id, OB_RECALC_DATA); + WM_event_add_notifier(C, NC_OBJECT|ND_DRAW, ob); + break; + } + } + + return OPERATOR_FINISHED; +} + +void PARTICLE_OT_target_move_up(wmOperatorType *ot) +{ + ot->name= "Move Up Target"; + ot->idname= "PARTICLE_OT_target_move_up"; + ot->description= "Move particle target up in the list."; + + ot->exec= target_move_up_exec; + + /* flags */ + ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO; +} + +/************************ move down particle target operator *********************/ + +static int target_move_down_exec(bContext *C, wmOperator *op) +{ + PointerRNA ptr = CTX_data_pointer_get_type(C, "particle_system", &RNA_ParticleSystem); + ParticleSystem *psys= ptr.data; + Object *ob = ptr.id.data; + ParticleTarget *pt; + + if(!psys) + return OPERATOR_CANCELLED; + pt = psys->targets.first; + for(; pt; pt=pt->next) { + if(pt->flag & PTARGET_CURRENT && pt->next) { + BLI_remlink(&psys->targets, pt); + BLI_insertlink(&psys->targets, pt->next, pt); + + DAG_id_flush_update(&ob->id, OB_RECALC_DATA); + WM_event_add_notifier(C, NC_OBJECT|ND_DRAW, ob); + break; + } + } + + return OPERATOR_FINISHED; +} + +void PARTICLE_OT_target_move_down(wmOperatorType *ot) +{ + ot->name= "Move Down Target"; + ot->idname= "PARTICLE_OT_target_move_down"; + ot->description= "Move particle target down in the list."; + + ot->exec= target_move_down_exec; + + /* flags */ + ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO; +} + +/************************ connect/disconnect hair operators *********************/ + +static void disconnect_hair(Scene *scene, Object *ob, ParticleSystem *psys) +{ + ParticleSystemModifierData *psmd = psys_get_modifier(ob,psys); + ParticleData *pa; + PTCacheEdit *edit; + PTCacheEditPoint *point; + PTCacheEditKey *ekey = NULL; + HairKey *key; + int i, k; + float hairmat[4][4]; + + if(!ob || !psys || psys->flag & PSYS_GLOBAL_HAIR) + return; + + if(!psys->part || psys->part->type != PART_HAIR) + return; + + edit = psys->edit; + point= edit ? edit->points : NULL; + + for(i=0, pa=psys->particles; i<psys->totpart; i++,pa++) { + if(point) { + ekey = point->keys; + point++; + } + + psys_mat_hair_to_global(ob, psmd->dm, psys->part->from, pa, hairmat); + + for(k=0,key=pa->hair; k<pa->totkey; k++,key++) { + Mat4MulVecfl(hairmat,key->co); + + if(ekey) { + ekey->flag &= ~PEK_USE_WCO; + ekey++; + } + } + } + + psys_free_path_cache(psys, psys->edit); + + psys->flag |= PSYS_GLOBAL_HAIR; + + PE_update_object(scene, ob, 0); +} + +static int disconnect_hair_exec(bContext *C, wmOperator *op) +{ + Scene *scene= CTX_data_scene(C); + Object *ob= CTX_data_pointer_get_type(C, "object", &RNA_Object).data; + PointerRNA ptr = CTX_data_pointer_get_type(C, "particle_system", &RNA_ParticleSystem); + ParticleSystem *psys= NULL; + int all = RNA_boolean_get(op->ptr, "all"); + + if(!ob) + return OPERATOR_CANCELLED; + + if(all) { + for(psys=ob->particlesystem.first; psys; psys=psys->next) { + disconnect_hair(scene, ob, psys); + } + } + else { + psys = ptr.data; + disconnect_hair(scene, ob, psys); + } + + WM_event_add_notifier(C, NC_OBJECT|ND_DRAW, ob); + + return OPERATOR_FINISHED; +} + +void PARTICLE_OT_disconnect_hair(wmOperatorType *ot) +{ + ot->name= "Disconnect Hair"; + ot->description= "Disconnect hair from the emitter mesh."; + ot->idname= "PARTICLE_OT_disconnect_hair"; + + ot->exec= disconnect_hair_exec; + + /* flags */ + ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO; + + RNA_def_boolean(ot->srna, "all", 0, "All hair", "Disconnect all hair systems from the emitter mesh"); +} + +static void connect_hair(Scene *scene, Object *ob, ParticleSystem *psys) +{ + ParticleSystemModifierData *psmd = psys_get_modifier(ob,psys); + ParticleData *pa; + PTCacheEdit *edit; + PTCacheEditPoint *point; + PTCacheEditKey *ekey; + HairKey *key; + BVHTreeFromMesh bvhtree; + BVHTreeNearest nearest; + MFace *mface; + DerivedMesh *dm = NULL; + int numverts; + int i, k; + float hairmat[4][4], imat[4][4]; + float v[4][3], vec[3]; + + if(!psys || !psys->part || psys->part->type != PART_HAIR) + return; + + edit= psys->edit; + point= edit ? edit->points : NULL; + + if(psmd->dm->deformedOnly) + dm= psmd->dm; + else + dm= mesh_get_derived_deform(scene, ob, CD_MASK_BAREMESH); + + numverts = dm->getNumVerts (dm); + + memset( &bvhtree, 0, sizeof(bvhtree) ); + + /* convert to global coordinates */ + for (i=0; i<numverts; i++) + Mat4MulVecfl (ob->obmat, CDDM_get_vert(dm, i)->co); + + bvhtree_from_mesh_faces(&bvhtree, dm, 0.0, 2, 6); + + for(i=0, pa= psys->particles; i<psys->totpart; i++,pa++) { + key = pa->hair; + + nearest.index = -1; + nearest.dist = FLT_MAX; + + BLI_bvhtree_find_nearest(bvhtree.tree, key->co, &nearest, bvhtree.nearest_callback, &bvhtree); + + if(nearest.index == -1) { + printf("No nearest point found for hair root!"); + continue; + } + + mface = CDDM_get_face(dm,nearest.index); + + VecCopyf(v[0], CDDM_get_vert(dm,mface->v1)->co); + VecCopyf(v[1], CDDM_get_vert(dm,mface->v2)->co); + VecCopyf(v[2], CDDM_get_vert(dm,mface->v3)->co); + if(mface->v4) { + VecCopyf(v[3], CDDM_get_vert(dm,mface->v4)->co); + MeanValueWeights(v, 4, nearest.co, pa->fuv); + } + else + MeanValueWeights(v, 3, nearest.co, pa->fuv); + + pa->num = nearest.index; + pa->num_dmcache = psys_particle_dm_face_lookup(ob,psmd->dm,pa->num,pa->fuv,NULL); + + psys_mat_hair_to_global(ob, psmd->dm, psys->part->from, pa, hairmat); + Mat4Invert(imat,hairmat); + + VECSUB(vec, nearest.co, key->co); + + if(point) { + ekey = point->keys; + point++; + } + + for(k=0,key=pa->hair; k<pa->totkey; k++,key++) { + VECADD(key->co, key->co, vec); + Mat4MulVecfl(imat,key->co); + + if(ekey) { + ekey->flag |= PEK_USE_WCO; + ekey++; + } + } + } + + free_bvhtree_from_mesh(&bvhtree); + if(!psmd->dm->deformedOnly) + dm->release(dm); + + psys_free_path_cache(psys, psys->edit); + + psys->flag &= ~PSYS_GLOBAL_HAIR; + + PE_update_object(scene, ob, 0); +} + +static int connect_hair_exec(bContext *C, wmOperator *op) +{ + Scene *scene= CTX_data_scene(C); + Object *ob= CTX_data_pointer_get_type(C, "object", &RNA_Object).data; + PointerRNA ptr = CTX_data_pointer_get_type(C, "particle_system", &RNA_ParticleSystem); + ParticleSystem *psys= NULL; + int all = RNA_boolean_get(op->ptr, "all"); + + if(!ob) + return OPERATOR_CANCELLED; + + if(all) { + for(psys=ob->particlesystem.first; psys; psys=psys->next) { + connect_hair(scene, ob, psys); + } + } + else { + psys = ptr.data; + connect_hair(scene, ob, psys); + } + + WM_event_add_notifier(C, NC_OBJECT|ND_DRAW, ob); + + return OPERATOR_FINISHED; +} + +void PARTICLE_OT_connect_hair(wmOperatorType *ot) +{ + ot->name= "Connect Hair"; + ot->description= "Connect hair to the emitter mesh."; + ot->idname= "PARTICLE_OT_connect_hair"; + + ot->exec= connect_hair_exec; + + /* flags */ + ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO; + + RNA_def_boolean(ot->srna, "all", 0, "All hair", "Connect all hair systems to the emitter mesh"); +} + |