0d0552cf3b3718da54b80594f238a30d80a22f5a
[blender.git] / source / blender / blenkernel / intern / object.c
1 /*
2  * ***** BEGIN GPL LICENSE BLOCK *****
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public License
6  * as published by the Free Software Foundation; either version 2
7  * of the License, or (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software Foundation,
16  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
17  *
18  * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
19  * All rights reserved.
20  *
21  * The Original Code is: all of this file.
22  *
23  * Contributor(s): none yet.
24  *
25  * ***** END GPL LICENSE BLOCK *****
26  */
27
28 /** \file blender/blenkernel/intern/object.c
29  *  \ingroup bke
30  */
31
32
33 #include <string.h>
34 #include <math.h>
35 #include <stdio.h>                      
36
37 #include "MEM_guardedalloc.h"
38
39 #include "DNA_anim_types.h"
40 #include "DNA_armature_types.h"
41 #include "DNA_camera_types.h"
42 #include "DNA_constraint_types.h"
43 #include "DNA_group_types.h"
44 #include "DNA_key_types.h"
45 #include "DNA_lamp_types.h"
46 #include "DNA_lattice_types.h"
47 #include "DNA_material_types.h"
48 #include "DNA_meta_types.h"
49 #include "DNA_meshdata_types.h"
50 #include "DNA_scene_types.h"
51 #include "DNA_screen_types.h"
52 #include "DNA_sequence_types.h"
53 #include "DNA_sound_types.h"
54 #include "DNA_space_types.h"
55 #include "DNA_view3d_types.h"
56 #include "DNA_world_types.h"
57
58 #include "BLI_blenlib.h"
59 #include "BLI_bpath.h"
60 #include "BLI_editVert.h"
61 #include "BLI_math.h"
62 #include "BLI_pbvh.h"
63 #include "BLI_utildefines.h"
64
65 #include "BKE_main.h"
66 #include "BKE_global.h"
67 #include "BKE_idprop.h"
68 #include "BKE_armature.h"
69 #include "BKE_action.h"
70 #include "BKE_bullet.h"
71 #include "BKE_colortools.h"
72 #include "BKE_deform.h"
73 #include "BKE_DerivedMesh.h"
74 #include "BKE_animsys.h"
75 #include "BKE_anim.h"
76 #include "BKE_constraint.h"
77 #include "BKE_curve.h"
78 #include "BKE_displist.h"
79 #include "BKE_effect.h"
80 #include "BKE_fcurve.h"
81 #include "BKE_group.h"
82 #include "BKE_icons.h"
83 #include "BKE_key.h"
84 #include "BKE_lattice.h"
85 #include "BKE_library.h"
86 #include "BKE_mesh.h"
87 #include "BKE_mball.h"
88 #include "BKE_modifier.h"
89 #include "BKE_object.h"
90 #include "BKE_paint.h"
91 #include "BKE_particle.h"
92 #include "BKE_pointcache.h"
93 #include "BKE_property.h"
94 #include "BKE_sca.h"
95 #include "BKE_scene.h"
96 #include "BKE_sequencer.h"
97 #include "BKE_speaker.h"
98 #include "BKE_softbody.h"
99 #include "BKE_material.h"
100
101 #include "LBM_fluidsim.h"
102
103 #ifdef WITH_PYTHON
104 #include "BPY_extern.h"
105 #endif
106
107 #include "GPU_material.h"
108
109 /* Local function protos */
110 static void solve_parenting (Scene *scene, Object *ob, Object *par, float obmat[][4], float slowmat[][4], int simul);
111
112 float originmat[3][3];  /* after where_is_object(), can be used in other functions (bad!) */
113
114 void clear_workob(Object *workob)
115 {
116         memset(workob, 0, sizeof(Object));
117         
118         workob->size[0]= workob->size[1]= workob->size[2]= 1.0f;
119         workob->rotmode= ROT_MODE_EUL;
120 }
121
122 void copy_baseflags(struct Scene *scene)
123 {
124         Base *base= scene->base.first;
125         
126         while(base) {
127                 base->object->flag= base->flag;
128                 base= base->next;
129         }
130 }
131
132 void copy_objectflags(struct Scene *scene)
133 {
134         Base *base= scene->base.first;
135         
136         while(base) {
137                 base->flag= base->object->flag;
138                 base= base->next;
139         }
140 }
141
142 void update_base_layer(struct Scene *scene, Object *ob)
143 {
144         Base *base= scene->base.first;
145
146         while (base) {
147                 if (base->object == ob) base->lay= ob->lay;
148                 base= base->next;
149         }
150 }
151
152 void object_free_particlesystems(Object *ob)
153 {
154         while(ob->particlesystem.first){
155                 ParticleSystem *psys = ob->particlesystem.first;
156                 
157                 BLI_remlink(&ob->particlesystem,psys);
158                 
159                 psys_free(ob,psys);
160         }
161 }
162
163 void object_free_softbody(Object *ob)
164 {
165         if(ob->soft) {
166                 sbFree(ob->soft);
167                 ob->soft= NULL;
168         }
169 }
170
171 void object_free_bulletsoftbody(Object *ob)
172 {
173         if(ob->bsoft) {
174                 bsbFree(ob->bsoft);
175                 ob->bsoft= NULL;
176         }
177 }
178
179 void object_free_modifiers(Object *ob)
180 {
181         while (ob->modifiers.first) {
182                 ModifierData *md = ob->modifiers.first;
183                 
184                 BLI_remlink(&ob->modifiers, md);
185                 
186                 modifier_free(md);
187         }
188
189         /* particle modifiers were freed, so free the particlesystems as well */
190         object_free_particlesystems(ob);
191
192         /* same for softbody */
193         object_free_softbody(ob);
194 }
195
196 void object_link_modifiers(struct Object *ob, struct Object *from)
197 {
198         ModifierData *md;
199         object_free_modifiers(ob);
200
201         for (md=from->modifiers.first; md; md=md->next) {
202                 ModifierData *nmd = NULL;
203
204                 if(ELEM4(md->type, eModifierType_Hook, eModifierType_Softbody, eModifierType_ParticleInstance, eModifierType_Collision)) continue;
205
206                 nmd = modifier_new(md->type);
207                 modifier_copyData(md, nmd);
208                 BLI_addtail(&ob->modifiers, nmd);
209         }
210
211         copy_object_particlesystems(ob, from);
212         copy_object_softbody(ob, from);
213
214         // TODO: smoke?, cloth?
215 }
216
217 /* here we will collect all local displist stuff */
218 /* also (ab)used in depsgraph */
219 void object_free_display(Object *ob)
220 {
221         if(ob->derivedDeform) {
222                 ob->derivedDeform->needsFree = 1;
223                 ob->derivedDeform->release(ob->derivedDeform);
224                 ob->derivedDeform= NULL;
225         }
226         if(ob->derivedFinal) {
227                 ob->derivedFinal->needsFree = 1;
228                 ob->derivedFinal->release(ob->derivedFinal);
229                 ob->derivedFinal= NULL;
230         }
231         
232         freedisplist(&ob->disp);
233 }
234
235 void free_sculptsession_deformMats(SculptSession *ss)
236 {
237         if(ss->orig_cos) MEM_freeN(ss->orig_cos);
238         if(ss->deform_cos) MEM_freeN(ss->deform_cos);
239         if(ss->deform_imats) MEM_freeN(ss->deform_imats);
240
241         ss->orig_cos = NULL;
242         ss->deform_cos = NULL;
243         ss->deform_imats = NULL;
244 }
245
246 void free_sculptsession(Object *ob)
247 {
248         if(ob && ob->sculpt) {
249                 SculptSession *ss = ob->sculpt;
250                 DerivedMesh *dm= ob->derivedFinal;
251
252                 if(ss->pbvh)
253                         BLI_pbvh_free(ss->pbvh);
254                 if(dm && dm->getPBVH)
255                         dm->getPBVH(NULL, dm); /* signal to clear */
256
257                 if(ss->texcache)
258                         MEM_freeN(ss->texcache);
259
260                 if(ss->layer_co)
261                         MEM_freeN(ss->layer_co);
262
263                 if(ss->orig_cos)
264                         MEM_freeN(ss->orig_cos);
265                 if(ss->deform_cos)
266                         MEM_freeN(ss->deform_cos);
267                 if(ss->deform_imats)
268                         MEM_freeN(ss->deform_imats);
269
270                 MEM_freeN(ss);
271
272                 ob->sculpt = NULL;
273         }
274 }
275
276
277 /* do not free object itself */
278 void free_object(Object *ob)
279 {
280         int a;
281         
282         object_free_display(ob);
283         
284         /* disconnect specific data */
285         if(ob->data) {
286                 ID *id= ob->data;
287                 id->us--;
288                 if(id->us==0) {
289                         if(ob->type==OB_MESH) unlink_mesh(ob->data);
290                         else if(ob->type==OB_CURVE) unlink_curve(ob->data);
291                         else if(ob->type==OB_MBALL) unlink_mball(ob->data);
292                 }
293                 ob->data= NULL;
294         }
295         
296         for(a=0; a<ob->totcol; a++) {
297                 if(ob->mat[a]) ob->mat[a]->id.us--;
298         }
299         if(ob->mat) MEM_freeN(ob->mat);
300         if(ob->matbits) MEM_freeN(ob->matbits);
301         ob->mat= NULL;
302         ob->matbits= NULL;
303         if(ob->bb) MEM_freeN(ob->bb); 
304         ob->bb= NULL;
305         if(ob->path) free_path(ob->path); 
306         ob->path= NULL;
307         if(ob->adt) BKE_free_animdata((ID *)ob);
308         if(ob->poselib) ob->poselib->id.us--;
309         if(ob->gpd) ((ID *)ob->gpd)->us--;
310         if(ob->defbase.first)
311                 BLI_freelistN(&ob->defbase);
312         if(ob->pose)
313                 free_pose(ob->pose);
314         if(ob->mpath)
315                 animviz_free_motionpath(ob->mpath);
316         free_properties(&ob->prop);
317         object_free_modifiers(ob);
318         
319         free_sensors(&ob->sensors);
320         free_controllers(&ob->controllers);
321         free_actuators(&ob->actuators);
322         
323         free_constraints(&ob->constraints);
324         
325         free_partdeflect(ob->pd);
326
327         if(ob->soft) sbFree(ob->soft);
328         if(ob->bsoft) bsbFree(ob->bsoft);
329         if(ob->gpulamp.first) GPU_lamp_free(ob);
330
331         free_sculptsession(ob);
332
333         if(ob->pc_ids.first) BLI_freelistN(&ob->pc_ids);
334 }
335
336 static void unlink_object__unlinkModifierLinks(void *userData, Object *ob, Object **obpoin)
337 {
338         Object *unlinkOb = userData;
339
340         if (*obpoin==unlinkOb) {
341                 *obpoin = NULL;
342                 ob->recalc |= OB_RECALC_OB|OB_RECALC_DATA|OB_RECALC_TIME; // XXX: should this just be OB_RECALC_DATA?
343         }
344 }
345
346 void unlink_object(Object *ob)
347 {
348         Main *bmain= G.main;
349         Object *obt;
350         Material *mat;
351         World *wrld;
352         bScreen *sc;
353         Scene *sce;
354         Curve *cu;
355         Tex *tex;
356         Group *group;
357         Camera *camera;
358         bConstraint *con;
359         //bActionStrip *strip; // XXX animsys 
360         ModifierData *md;
361         ARegion *ar;
362         RegionView3D *rv3d;
363         int a, found;
364         
365         unlink_controllers(&ob->controllers);
366         unlink_actuators(&ob->actuators);
367         
368         /* check all objects: parents en bevels and fields, also from libraries */
369         // FIXME: need to check all animation blocks (drivers)
370         obt= bmain->object.first;
371         while(obt) {
372                 if(obt->proxy==ob)
373                         obt->proxy= NULL;
374                 if(obt->proxy_from==ob) {
375                         obt->proxy_from= NULL;
376                         obt->recalc |= OB_RECALC_OB;
377                 }
378                 if(obt->proxy_group==ob)
379                         obt->proxy_group= NULL;
380                 
381                 if(obt->parent==ob) {
382                         obt->parent= NULL;
383                         obt->recalc |= OB_RECALC_OB|OB_RECALC_DATA|OB_RECALC_TIME;
384                 }
385                 
386                 modifiers_foreachObjectLink(obt, unlink_object__unlinkModifierLinks, ob);
387                 
388                 if ELEM(obt->type, OB_CURVE, OB_FONT) {
389                         cu= obt->data;
390
391                         if(cu->bevobj==ob) {
392                                 cu->bevobj= NULL;
393                                 obt->recalc |= OB_RECALC_OB|OB_RECALC_DATA|OB_RECALC_TIME;
394                         }
395                         if(cu->taperobj==ob) {
396                                 cu->taperobj= NULL;
397                                 obt->recalc |= OB_RECALC_OB|OB_RECALC_DATA|OB_RECALC_TIME;
398                         }
399                         if(cu->textoncurve==ob) {
400                                 cu->textoncurve= NULL;
401                                 obt->recalc |= OB_RECALC_OB|OB_RECALC_DATA|OB_RECALC_TIME;
402                         }
403                 }
404                 else if(obt->type==OB_ARMATURE && obt->pose) {
405                         bPoseChannel *pchan;
406                         for(pchan= obt->pose->chanbase.first; pchan; pchan= pchan->next) {
407                                 for (con = pchan->constraints.first; con; con=con->next) {
408                                         bConstraintTypeInfo *cti= constraint_get_typeinfo(con);
409                                         ListBase targets = {NULL, NULL};
410                                         bConstraintTarget *ct;
411                                         
412                                         if (cti && cti->get_constraint_targets) {
413                                                 cti->get_constraint_targets(con, &targets);
414                                                 
415                                                 for (ct= targets.first; ct; ct= ct->next) {
416                                                         if (ct->tar == ob) {
417                                                                 ct->tar = NULL;
418                                                                 ct->subtarget[0]= '\0';
419                                                                 obt->recalc |= OB_RECALC_DATA;
420                                                         }
421                                                 }
422                                                 
423                                                 if (cti->flush_constraint_targets)
424                                                         cti->flush_constraint_targets(con, &targets, 0);
425                                         }
426                                 }
427                                 if(pchan->custom==ob)
428                                         pchan->custom= NULL;
429                         }
430                 } else if(ELEM(OB_MBALL, ob->type, obt->type)) {
431                         if(is_mball_basis_for(obt, ob))
432                                 obt->recalc|= OB_RECALC_DATA;
433                 }
434                 
435                 sca_remove_ob_poin(obt, ob);
436                 
437                 for (con = obt->constraints.first; con; con=con->next) {
438                         bConstraintTypeInfo *cti= constraint_get_typeinfo(con);
439                         ListBase targets = {NULL, NULL};
440                         bConstraintTarget *ct;
441                         
442                         if (cti && cti->get_constraint_targets) {
443                                 cti->get_constraint_targets(con, &targets);
444                                 
445                                 for (ct= targets.first; ct; ct= ct->next) {
446                                         if (ct->tar == ob) {
447                                                 ct->tar = NULL;
448                                                 ct->subtarget[0]= '\0';
449                                                 obt->recalc |= OB_RECALC_DATA;
450                                         }
451                                 }
452                                 
453                                 if (cti->flush_constraint_targets)
454                                         cti->flush_constraint_targets(con, &targets, 0);
455                         }
456                 }
457                 
458                 /* object is deflector or field */
459                 if(ob->pd) {
460                         if(obt->soft)
461                                 obt->recalc |= OB_RECALC_DATA;
462
463                         /* cloth */
464                         for(md=obt->modifiers.first; md; md=md->next)
465                                 if(md->type == eModifierType_Cloth)
466                                         obt->recalc |= OB_RECALC_DATA;
467                 }
468                 
469                 /* strips */
470 #if 0 // XXX old animation system
471                 for(strip= obt->nlastrips.first; strip; strip= strip->next) {
472                         if(strip->object==ob)
473                                 strip->object= NULL;
474                         
475                         if(strip->modifiers.first) {
476                                 bActionModifier *amod;
477                                 for(amod= strip->modifiers.first; amod; amod= amod->next)
478                                         if(amod->ob==ob)
479                                                 amod->ob= NULL;
480                         }
481                 }
482 #endif // XXX old animation system
483
484                 /* particle systems */
485                 if(obt->particlesystem.first) {
486                         ParticleSystem *tpsys= obt->particlesystem.first;
487                         for(; tpsys; tpsys=tpsys->next) {
488                                 BoidState *state = NULL;
489                                 BoidRule *rule = NULL;
490
491                                 ParticleTarget *pt = tpsys->targets.first;
492                                 for(; pt; pt=pt->next) {
493                                         if(pt->ob==ob) {
494                                                 pt->ob = NULL;
495                                                 obt->recalc |= OB_RECALC_DATA;
496                                                 break;
497                                         }
498                                 }
499
500                                 if(tpsys->target_ob==ob) {
501                                         tpsys->target_ob= NULL;
502                                         obt->recalc |= OB_RECALC_DATA;
503                                 }
504
505                                 if(tpsys->part->dup_ob==ob)
506                                         tpsys->part->dup_ob= NULL;
507
508                                 if(tpsys->part->phystype==PART_PHYS_BOIDS) {
509                                         ParticleData *pa;
510                                         BoidParticle *bpa;
511                                         int p;
512
513                                         for(p=0,pa=tpsys->particles; p<tpsys->totpart; p++,pa++) {
514                                                 bpa = pa->boid;
515                                                 if(bpa->ground == ob)
516                                                         bpa->ground = NULL;
517                                         }
518                                 }
519                                 if(tpsys->part->boids) {
520                                         for(state = tpsys->part->boids->states.first; state; state=state->next) {
521                                                 for(rule = state->rules.first; rule; rule=rule->next) {
522                                                         if(rule->type==eBoidRuleType_Avoid) {
523                                                                 BoidRuleGoalAvoid *gabr = (BoidRuleGoalAvoid*)rule;
524                                                                 if(gabr->ob==ob)
525                                                                         gabr->ob= NULL;
526                                                         }
527                                                         else if(rule->type==eBoidRuleType_FollowLeader) {
528                                                                 BoidRuleFollowLeader *flbr = (BoidRuleFollowLeader*)rule;
529                                                                 if(flbr->ob==ob)
530                                                                         flbr->ob= NULL;
531                                                         }
532                                                 }
533                                         }
534                                 }
535                         }
536                         if(ob->pd)
537                                 obt->recalc |= OB_RECALC_DATA;
538                 }
539
540                 obt= obt->id.next;
541         }
542         
543         /* materials */
544         mat= bmain->mat.first;
545         while(mat) {
546         
547                 for(a=0; a<MAX_MTEX; a++) {
548                         if(mat->mtex[a] && ob==mat->mtex[a]->object) {
549                                 /* actually, test for lib here... to do */
550                                 mat->mtex[a]->object= NULL;
551                         }
552                 }
553
554                 mat= mat->id.next;
555         }
556         
557         /* textures */
558         for(tex= bmain->tex.first; tex; tex= tex->id.next) {
559                 if(tex->env && (ob==tex->env->object)) tex->env->object= NULL;
560                 if(tex->pd  && (ob==tex->pd->object))  tex->pd->object= NULL;
561                 if(tex->vd  && (ob==tex->vd->object))  tex->vd->object= NULL;
562         }
563
564         /* worlds */
565         wrld= bmain->world.first;
566         while(wrld) {
567                 if(wrld->id.lib==NULL) {
568                         for(a=0; a<MAX_MTEX; a++) {
569                                 if(wrld->mtex[a] && ob==wrld->mtex[a]->object)
570                                         wrld->mtex[a]->object= NULL;
571                         }
572                 }
573                 
574                 wrld= wrld->id.next;
575         }
576                 
577         /* scenes */
578         sce= bmain->scene.first;
579         while(sce) {
580                 if(sce->id.lib==NULL) {
581                         if(sce->camera==ob) sce->camera= NULL;
582                         if(sce->toolsettings->skgen_template==ob) sce->toolsettings->skgen_template = NULL;
583                         if(sce->toolsettings->particle.object==ob) sce->toolsettings->particle.object= NULL;
584
585 #ifdef DURIAN_CAMERA_SWITCH
586                         {
587                                 TimeMarker *m;
588
589                                 for (m= sce->markers.first; m; m= m->next) {
590                                         if(m->camera==ob)
591                                                 m->camera= NULL;
592                                 }
593                         }
594 #endif
595                         if(sce->ed) {
596                                 Sequence *seq;
597                                 SEQ_BEGIN(sce->ed, seq)
598                                         if(seq->scene_camera==ob) {
599                                                 seq->scene_camera= NULL;
600                                         }
601                                 SEQ_END
602                         }
603                 }
604
605                 sce= sce->id.next;
606         }
607         
608 #if 0 // XXX old animation system
609         /* ipos */
610         ipo= bmain->ipo.first;
611         while(ipo) {
612                 if(ipo->id.lib==NULL) {
613                         IpoCurve *icu;
614                         for(icu= ipo->curve.first; icu; icu= icu->next) {
615                                 if(icu->driver && icu->driver->ob==ob)
616                                         icu->driver->ob= NULL;
617                         }
618                 }
619                 ipo= ipo->id.next;
620         }
621 #endif // XXX old animation system
622         
623         /* screens */
624         sc= bmain->screen.first;
625         while(sc) {
626                 ScrArea *sa= sc->areabase.first;
627                 while(sa) {
628                         SpaceLink *sl;
629
630                         for (sl= sa->spacedata.first; sl; sl= sl->next) {
631                                 if(sl->spacetype==SPACE_VIEW3D) {
632                                         View3D *v3d= (View3D*) sl;
633
634                                         found= 0;
635                                         if(v3d->camera==ob) {
636                                                 v3d->camera= NULL;
637                                                 found= 1;
638                                         }
639                                         if(v3d->localvd && v3d->localvd->camera==ob ) {
640                                                 v3d->localvd->camera= NULL;
641                                                 found += 2;
642                                         }
643
644                                         if (found) {
645                                                 if (sa->spacetype == SPACE_VIEW3D) {
646                                                         for (ar= sa->regionbase.first; ar; ar= ar->next) {
647                                                                 if (ar->regiontype==RGN_TYPE_WINDOW) {
648                                                                         rv3d= (RegionView3D *)ar->regiondata;
649                                                                         if (found == 1 || found == 3) {
650                                                                                 if (rv3d->persp == RV3D_CAMOB)
651                                                                                         rv3d->persp= RV3D_PERSP;
652                                                                         }
653                                                                         if (found == 2 || found == 3) {
654                                                                                 if (rv3d->localvd && rv3d->localvd->persp == RV3D_CAMOB)
655                                                                                         rv3d->localvd->persp= RV3D_PERSP;
656                                                                         }
657                                                                 }
658                                                         }
659                                                 }
660                                         }
661                                 }
662                                 else if(sl->spacetype==SPACE_OUTLINER) {
663                                         SpaceOops *so= (SpaceOops *)sl;
664
665                                         if(so->treestore) {
666                                                 TreeStoreElem *tselem= so->treestore->data;
667                                                 int a;
668                                                 for(a=0; a<so->treestore->usedelem; a++, tselem++) {
669                                                         if(tselem->id==(ID *)ob) tselem->id= NULL;
670                                                 }
671                                         }
672                                 }
673                                 else if(sl->spacetype==SPACE_BUTS) {
674                                         SpaceButs *sbuts= (SpaceButs *)sl;
675
676                                         if(sbuts->pinid==(ID *)ob) {
677                                                 sbuts->flag&= ~SB_PIN_CONTEXT;
678                                                 sbuts->pinid= NULL;
679                                         }
680                                 }
681                         }
682
683                         sa= sa->next;
684                 }
685                 sc= sc->id.next;
686         }
687
688         /* groups */
689         group= bmain->group.first;
690         while(group) {
691                 rem_from_group(group, ob, NULL, NULL);
692                 group= group->id.next;
693         }
694         
695         /* cameras */
696         camera= bmain->camera.first;
697         while(camera) {
698                 if (camera->dof_ob==ob) {
699                         camera->dof_ob = NULL;
700                 }
701                 camera= camera->id.next;
702         }
703 }
704
705 int exist_object(Object *obtest)
706 {
707         Object *ob;
708         
709         if(obtest==NULL) return 0;
710         
711         ob= G.main->object.first;
712         while(ob) {
713                 if(ob==obtest) return 1;
714                 ob= ob->id.next;
715         }
716         return 0;
717 }
718
719 void *add_camera(const char *name)
720 {
721         Camera *cam;
722         
723         cam=  alloc_libblock(&G.main->camera, ID_CA, name);
724
725         cam->lens= 35.0f;
726         cam->clipsta= 0.1f;
727         cam->clipend= 100.0f;
728         cam->drawsize= 0.5f;
729         cam->ortho_scale= 6.0;
730         cam->flag |= CAM_SHOWPASSEPARTOUT;
731         cam->passepartalpha = 0.5f;
732         
733         return cam;
734 }
735
736 Camera *copy_camera(Camera *cam)
737 {
738         Camera *camn;
739         
740         camn= copy_libblock(cam);
741         
742         return camn;
743 }
744
745
746
747 void make_local_camera(Camera *cam)
748 {
749         Main *bmain= G.main;
750         Object *ob;
751         int is_local= FALSE, is_lib= FALSE;
752
753         /* - only lib users: do nothing
754          * - only local users: set flag
755          * - mixed: make copy
756          */
757         
758         if(cam->id.lib==NULL) return;
759         if(cam->id.us==1) {
760                 id_clear_lib_data(bmain, &cam->id);
761                 return;
762         }
763         
764         for(ob= bmain->object.first; ob && ELEM(0, is_lib, is_local); ob= ob->id.next) {
765                 if(ob->data==cam) {
766                         if(ob->id.lib) is_lib= TRUE;
767                         else is_local= TRUE;
768                 }
769         }
770         
771         if(is_local && is_lib == FALSE) {
772                 id_clear_lib_data(bmain, &cam->id);
773         }
774         else if(is_local && is_lib) {
775                 char *bpath_user_data[2]= {bmain->name, cam->id.lib->filepath};
776                 Camera *camn= copy_camera(cam);
777
778                 camn->id.us= 0;
779
780                 /* Remap paths of new ID using old library as base. */
781                 bpath_traverse_id(bmain, &camn->id, bpath_relocate_visitor, 0, bpath_user_data);
782
783                 for(ob= bmain->object.first; ob; ob= ob->id.next) {
784                         if(ob->data == cam) {
785                                 if(ob->id.lib==NULL) {
786                                         ob->data= camn;
787                                         camn->id.us++;
788                                         cam->id.us--;
789                                 }
790                         }
791                 }
792         }
793 }
794
795 /* get the camera's dof value, takes the dof object into account */
796 float dof_camera(Object *ob)
797 {
798         Camera *cam = (Camera *)ob->data; 
799         if (ob->type != OB_CAMERA)
800                 return 0.0f;
801         if (cam->dof_ob) {      
802                 /* too simple, better to return the distance on the view axis only
803                  * return len_v3v3(ob->obmat[3], cam->dof_ob->obmat[3]); */
804                 float mat[4][4], imat[4][4], obmat[4][4];
805                 
806                 copy_m4_m4(obmat, ob->obmat);
807                 normalize_m4(obmat);
808                 invert_m4_m4(imat, obmat);
809                 mul_m4_m4m4(mat, cam->dof_ob->obmat, imat);
810                 return (float)fabs(mat[3][2]);
811         }
812         return cam->YF_dofdist;
813 }
814
815 void *add_lamp(const char *name)
816 {
817         Lamp *la;
818         
819         la=  alloc_libblock(&G.main->lamp, ID_LA, name);
820         
821         la->r= la->g= la->b= la->k= 1.0f;
822         la->haint= la->energy= 1.0f;
823         la->dist= 25.0f;
824         la->spotsize= 45.0f;
825         la->spotblend= 0.15f;
826         la->att2= 1.0f;
827         la->mode= LA_SHAD_BUF;
828         la->bufsize= 512;
829         la->clipsta= 0.5f;
830         la->clipend= 40.0f;
831         la->shadspotsize= 45.0f;
832         la->samp= 3;
833         la->bias= 1.0f;
834         la->soft= 3.0f;
835         la->compressthresh= 0.05f;
836         la->ray_samp= la->ray_sampy= la->ray_sampz= 1; 
837         la->area_size=la->area_sizey=la->area_sizez= 1.0f; 
838         la->buffers= 1;
839         la->buftype= LA_SHADBUF_HALFWAY;
840         la->ray_samp_method = LA_SAMP_HALTON;
841         la->adapt_thresh = 0.001f;
842         la->preview=NULL;
843         la->falloff_type = LA_FALLOFF_INVSQUARE;
844         la->curfalloff = curvemapping_add(1, 0.0f, 1.0f, 1.0f, 0.0f);
845         la->sun_effect_type = 0;
846         la->horizon_brightness = 1.0;
847         la->spread = 1.0;
848         la->sun_brightness = 1.0;
849         la->sun_size = 1.0;
850         la->backscattered_light = 1.0f;
851         la->atm_turbidity = 2.0f;
852         la->atm_inscattering_factor = 1.0f;
853         la->atm_extinction_factor = 1.0f;
854         la->atm_distance_factor = 1.0f;
855         la->sun_intensity = 1.0f;
856         la->skyblendtype= MA_RAMP_ADD;
857         la->skyblendfac= 1.0f;
858         la->sky_colorspace= BLI_XYZ_CIE;
859         la->sky_exposure= 1.0f;
860         
861         curvemapping_initialize(la->curfalloff);
862         return la;
863 }
864
865 Lamp *copy_lamp(Lamp *la)
866 {
867         Lamp *lan;
868         int a;
869         
870         lan= copy_libblock(la);
871
872         for(a=0; a<MAX_MTEX; a++) {
873                 if(lan->mtex[a]) {
874                         lan->mtex[a]= MEM_mallocN(sizeof(MTex), "copylamptex");
875                         memcpy(lan->mtex[a], la->mtex[a], sizeof(MTex));
876                         id_us_plus((ID *)lan->mtex[a]->tex);
877                 }
878         }
879         
880         lan->curfalloff = curvemapping_copy(la->curfalloff);
881         
882         if(la->preview)
883                 lan->preview = BKE_previewimg_copy(la->preview);
884         
885         return lan;
886 }
887
888 Lamp *localize_lamp(Lamp *la)
889 {
890         Lamp *lan;
891         int a;
892         
893         lan= copy_libblock(la);
894         BLI_remlink(&G.main->lamp, lan);
895
896         for(a=0; a<MAX_MTEX; a++) {
897                 if(lan->mtex[a]) {
898                         lan->mtex[a]= MEM_mallocN(sizeof(MTex), "localize_lamp");
899                         memcpy(lan->mtex[a], la->mtex[a], sizeof(MTex));
900                         /* free lamp decrements */
901                         id_us_plus((ID *)lan->mtex[a]->tex);
902                 }
903         }
904         
905         lan->curfalloff = curvemapping_copy(la->curfalloff);
906
907         lan->preview= NULL;
908         
909         return lan;
910 }
911
912 void make_local_lamp(Lamp *la)
913 {
914         Main *bmain= G.main;
915         Object *ob;
916         int is_local= FALSE, is_lib= FALSE;
917
918         /* - only lib users: do nothing
919                 * - only local users: set flag
920                 * - mixed: make copy
921                 */
922         
923         if(la->id.lib==NULL) return;
924         if(la->id.us==1) {
925                 id_clear_lib_data(bmain, &la->id);
926                 return;
927         }
928         
929         ob= bmain->object.first;
930         while(ob) {
931                 if(ob->data==la) {
932                         if(ob->id.lib) is_lib= TRUE;
933                         else is_local= TRUE;
934                 }
935                 ob= ob->id.next;
936         }
937         
938         if(is_local && is_lib == FALSE) {
939                 id_clear_lib_data(bmain, &la->id);
940         }
941         else if(is_local && is_lib) {
942                 char *bpath_user_data[2]= {bmain->name, la->id.lib->filepath};
943                 Lamp *lan= copy_lamp(la);
944                 lan->id.us= 0;
945                 
946
947                 /* Remap paths of new ID using old library as base. */
948                 bpath_traverse_id(bmain, &lan->id, bpath_relocate_visitor, 0, bpath_user_data);
949
950                 ob= bmain->object.first;
951                 while(ob) {
952                         if(ob->data==la) {
953                                 
954                                 if(ob->id.lib==NULL) {
955                                         ob->data= lan;
956                                         lan->id.us++;
957                                         la->id.us--;
958                                 }
959                         }
960                         ob= ob->id.next;
961                 }
962         }
963 }
964
965 void free_camera(Camera *ca)
966 {
967         BKE_free_animdata((ID *)ca);
968 }
969
970 void free_lamp(Lamp *la)
971 {
972         MTex *mtex;
973         int a;
974
975         for(a=0; a<MAX_MTEX; a++) {
976                 mtex= la->mtex[a];
977                 if(mtex && mtex->tex) mtex->tex->id.us--;
978                 if(mtex) MEM_freeN(mtex);
979         }
980         
981         BKE_free_animdata((ID *)la);
982
983         curvemapping_free(la->curfalloff);
984         
985         BKE_previewimg_free(&la->preview);
986         BKE_icon_delete(&la->id);
987         la->id.icon_id = 0;
988 }
989
990 /* *************************************************** */
991
992 static void *add_obdata_from_type(int type)
993 {
994         switch (type) {
995         case OB_MESH: return add_mesh("Mesh");
996         case OB_CURVE: return add_curve("Curve", OB_CURVE);
997         case OB_SURF: return add_curve("Surf", OB_SURF);
998         case OB_FONT: return add_curve("Text", OB_FONT);
999         case OB_MBALL: return add_mball("Meta");
1000         case OB_CAMERA: return add_camera("Camera");
1001         case OB_LAMP: return add_lamp("Lamp");
1002         case OB_LATTICE: return add_lattice("Lattice");
1003         case OB_ARMATURE: return add_armature("Armature");
1004         case OB_SPEAKER: return add_speaker("Speaker");
1005         case OB_EMPTY: return NULL;
1006         default:
1007                 printf("add_obdata_from_type: Internal error, bad type: %d\n", type);
1008                 return NULL;
1009         }
1010 }
1011
1012 static const char *get_obdata_defname(int type)
1013 {
1014         switch (type) {
1015         case OB_MESH: return "Mesh";
1016         case OB_CURVE: return "Curve";
1017         case OB_SURF: return "Surf";
1018         case OB_FONT: return "Text";
1019         case OB_MBALL: return "Mball";
1020         case OB_CAMERA: return "Camera";
1021         case OB_LAMP: return "Lamp";
1022         case OB_LATTICE: return "Lattice";
1023         case OB_ARMATURE: return "Armature";
1024         case OB_SPEAKER: return "Speaker";
1025         case OB_EMPTY: return "Empty";
1026         default:
1027                 printf("get_obdata_defname: Internal error, bad type: %d\n", type);
1028                 return "Empty";
1029         }
1030 }
1031
1032 /* more general add: creates minimum required data, but without vertices etc. */
1033 Object *add_only_object(int type, const char *name)
1034 {
1035         Object *ob;
1036
1037         ob= alloc_libblock(&G.main->object, ID_OB, name);
1038
1039         /* default object vars */
1040         ob->type= type;
1041         
1042         ob->col[0]= ob->col[1]= ob->col[2]= 1.0;
1043         ob->col[3]= 1.0;
1044         
1045         ob->size[0]= ob->size[1]= ob->size[2]= 1.0;
1046         
1047         /* objects should default to having Euler XYZ rotations, 
1048          * but rotations default to quaternions 
1049          */
1050         ob->rotmode= ROT_MODE_EUL;
1051
1052         unit_axis_angle(ob->rotAxis, &ob->rotAngle);
1053         unit_axis_angle(ob->drotAxis, &ob->drotAngle);
1054
1055         unit_qt(ob->quat);
1056         unit_qt(ob->dquat);
1057
1058         /* rotation locks should be 4D for 4 component rotations by default... */
1059         ob->protectflag = OB_LOCK_ROT4D;
1060         
1061         unit_m4(ob->constinv);
1062         unit_m4(ob->parentinv);
1063         unit_m4(ob->obmat);
1064         ob->dt= OB_TEXTURE;
1065         ob->empty_drawtype= OB_PLAINAXES;
1066         ob->empty_drawsize= 1.0;
1067
1068         if(type==OB_CAMERA || type==OB_LAMP || type==OB_SPEAKER) {
1069                 ob->trackflag= OB_NEGZ;
1070                 ob->upflag= OB_POSY;
1071         }
1072         else {
1073                 ob->trackflag= OB_POSY;
1074                 ob->upflag= OB_POSZ;
1075         }
1076         
1077         ob->dupon= 1; ob->dupoff= 0;
1078         ob->dupsta= 1; ob->dupend= 100;
1079         ob->dupfacesca = 1.0;
1080
1081         /* Game engine defaults*/
1082         ob->mass= ob->inertia= 1.0f;
1083         ob->formfactor= 0.4f;
1084         ob->damping= 0.04f;
1085         ob->rdamping= 0.1f;
1086         ob->anisotropicFriction[0] = 1.0f;
1087         ob->anisotropicFriction[1] = 1.0f;
1088         ob->anisotropicFriction[2] = 1.0f;
1089         ob->gameflag= OB_PROP|OB_COLLISION;
1090         ob->margin = 0.0;
1091         ob->init_state=1;
1092         ob->state=1;
1093         /* ob->pad3 == Contact Processing Threshold */
1094         ob->m_contactProcessingThreshold = 1.;
1095         ob->obstacleRad = 1.;
1096         
1097         /* NT fluid sim defaults */
1098         ob->fluidsimFlag = 0;
1099         ob->fluidsimSettings = NULL;
1100
1101         ob->pc_ids.first = ob->pc_ids.last = NULL;
1102         
1103         /* Animation Visualisation defaults */
1104         animviz_settings_init(&ob->avs);
1105
1106         return ob;
1107 }
1108
1109 /* general add: to scene, with layer from area and default name */
1110 /* creates minimum required data, but without vertices etc. */
1111 Object *add_object(struct Scene *scene, int type)
1112 {
1113         Object *ob;
1114         Base *base;
1115         char name[32];
1116
1117         BLI_strncpy(name, get_obdata_defname(type), sizeof(name));
1118         ob = add_only_object(type, name);
1119
1120         ob->data= add_obdata_from_type(type);
1121
1122         ob->lay= scene->lay;
1123         
1124         base= scene_add_base(scene, ob);
1125         scene_select_base(scene, base);
1126         ob->recalc |= OB_RECALC_OB|OB_RECALC_DATA|OB_RECALC_TIME;
1127
1128         return ob;
1129 }
1130
1131 SoftBody *copy_softbody(SoftBody *sb)
1132 {
1133         SoftBody *sbn;
1134         
1135         if (sb==NULL) return(NULL);
1136         
1137         sbn= MEM_dupallocN(sb);
1138         sbn->totspring= sbn->totpoint= 0;
1139         sbn->bpoint= NULL;
1140         sbn->bspring= NULL;
1141         
1142         sbn->keys= NULL;
1143         sbn->totkey= sbn->totpointkey= 0;
1144         
1145         sbn->scratch= NULL;
1146
1147         sbn->pointcache= BKE_ptcache_copy_list(&sbn->ptcaches, &sb->ptcaches);
1148
1149         if(sb->effector_weights)
1150                 sbn->effector_weights = MEM_dupallocN(sb->effector_weights);
1151
1152         return sbn;
1153 }
1154
1155 BulletSoftBody *copy_bulletsoftbody(BulletSoftBody *bsb)
1156 {
1157         BulletSoftBody *bsbn;
1158
1159         if (bsb == NULL)
1160                 return NULL;
1161         bsbn = MEM_dupallocN(bsb);
1162         /* no pointer in this structure yet */
1163         return bsbn;
1164 }
1165
1166 static ParticleSystem *copy_particlesystem(ParticleSystem *psys)
1167 {
1168         ParticleSystem *psysn;
1169         ParticleData *pa;
1170         int p;
1171
1172         psysn= MEM_dupallocN(psys);
1173         psysn->particles= MEM_dupallocN(psys->particles);
1174         psysn->child= MEM_dupallocN(psys->child);
1175
1176         if(psys->part->type == PART_HAIR) {
1177                 for(p=0, pa=psysn->particles; p<psysn->totpart; p++, pa++)
1178                         pa->hair = MEM_dupallocN(pa->hair);
1179         }
1180
1181         if(psysn->particles && (psysn->particles->keys || psysn->particles->boid)) {
1182                 ParticleKey *key = psysn->particles->keys;
1183                 BoidParticle *boid = psysn->particles->boid;
1184
1185                 if(key)
1186                         key = MEM_dupallocN(key);
1187                 
1188                 if(boid)
1189                         boid = MEM_dupallocN(boid);
1190                 
1191                 for(p=0, pa=psysn->particles; p<psysn->totpart; p++, pa++) {
1192                         if(boid)
1193                                 pa->boid = boid++;
1194                         if(key) {
1195                                 pa->keys = key;
1196                                 key += pa->totkey;
1197                         }
1198                 }
1199         }
1200
1201         if(psys->clmd) {
1202                 psysn->clmd = (ClothModifierData *)modifier_new(eModifierType_Cloth);
1203                 modifier_copyData((ModifierData*)psys->clmd, (ModifierData*)psysn->clmd);
1204                 psys->hair_in_dm = psys->hair_out_dm = NULL;
1205         }
1206
1207         BLI_duplicatelist(&psysn->targets, &psys->targets);
1208
1209         psysn->pathcache= NULL;
1210         psysn->childcache= NULL;
1211         psysn->edit= NULL;
1212         psysn->frand= NULL;
1213         psysn->pdd= NULL;
1214         psysn->effectors= NULL;
1215         
1216         psysn->pathcachebufs.first = psysn->pathcachebufs.last = NULL;
1217         psysn->childcachebufs.first = psysn->childcachebufs.last = NULL;
1218         psysn->renderdata = NULL;
1219         
1220         psysn->pointcache= BKE_ptcache_copy_list(&psysn->ptcaches, &psys->ptcaches);
1221
1222         /* XXX - from reading existing code this seems correct but intended usage of
1223          * pointcache should /w cloth should be added in 'ParticleSystem' - campbell */
1224         if(psysn->clmd) {
1225                 psysn->clmd->point_cache= psysn->pointcache;
1226         }
1227
1228         id_us_plus((ID *)psysn->part);
1229
1230         return psysn;
1231 }
1232
1233 void copy_object_particlesystems(Object *obn, Object *ob)
1234 {
1235         ParticleSystemModifierData *psmd;
1236         ParticleSystem *psys, *npsys;
1237         ModifierData *md;
1238
1239         obn->particlesystem.first= obn->particlesystem.last= NULL;
1240         for(psys=ob->particlesystem.first; psys; psys=psys->next) {
1241                 npsys= copy_particlesystem(psys);
1242
1243                 BLI_addtail(&obn->particlesystem, npsys);
1244
1245                 /* need to update particle modifiers too */
1246                 for(md=obn->modifiers.first; md; md=md->next) {
1247                         if(md->type==eModifierType_ParticleSystem) {
1248                                 psmd= (ParticleSystemModifierData*)md;
1249                                 if(psmd->psys==psys)
1250                                         psmd->psys= npsys;
1251                         }
1252                 }
1253         }
1254 }
1255
1256 void copy_object_softbody(Object *obn, Object *ob)
1257 {
1258         if(ob->soft)
1259                 obn->soft= copy_softbody(ob->soft);
1260 }
1261
1262 static void copy_object_pose(Object *obn, Object *ob)
1263 {
1264         bPoseChannel *chan;
1265         
1266         /* note: need to clear obn->pose pointer first, so that copy_pose works (otherwise there's a crash) */
1267         obn->pose= NULL;
1268         copy_pose(&obn->pose, ob->pose, 1);     /* 1 = copy constraints */
1269
1270         for (chan = obn->pose->chanbase.first; chan; chan=chan->next){
1271                 bConstraint *con;
1272                 
1273                 chan->flag &= ~(POSE_LOC|POSE_ROT|POSE_SIZE);
1274                 
1275                 for (con= chan->constraints.first; con; con= con->next) {
1276                         bConstraintTypeInfo *cti= constraint_get_typeinfo(con);
1277                         ListBase targets = {NULL, NULL};
1278                         bConstraintTarget *ct;
1279                         
1280 #if 0 // XXX old animation system
1281                         /* note that we can't change lib linked ipo blocks. for making
1282                          * proxies this still works correct however because the object
1283                          * is changed to object->proxy_from when evaluating the driver. */
1284                         if(con->ipo && !con->ipo->id.lib) {
1285                                 IpoCurve *icu;
1286                                 
1287                                 con->ipo= copy_ipo(con->ipo);
1288                                 
1289                                 for(icu= con->ipo->curve.first; icu; icu= icu->next) {
1290                                         if(icu->driver && icu->driver->ob==ob)
1291                                                 icu->driver->ob= obn;
1292                                 }
1293                         }
1294 #endif // XXX old animation system
1295                         
1296                         if (cti && cti->get_constraint_targets) {
1297                                 cti->get_constraint_targets(con, &targets);
1298                                 
1299                                 for (ct= targets.first; ct; ct= ct->next) {
1300                                         if (ct->tar == ob)
1301                                                 ct->tar = obn;
1302                                 }
1303                                 
1304                                 if (cti->flush_constraint_targets)
1305                                         cti->flush_constraint_targets(con, &targets, 0);
1306                         }
1307                 }
1308         }
1309 }
1310
1311 static int object_pose_context(Object *ob)
1312 {
1313         if(     (ob) &&
1314                 (ob->type == OB_ARMATURE) &&
1315                 (ob->pose) &&
1316                 (ob->mode & OB_MODE_POSE)
1317         ) {
1318                 return 1;
1319         }
1320         else {
1321                 return 0;
1322         }
1323 }
1324
1325 //Object *object_pose_armature_get(Object *ob)
1326 Object *object_pose_armature_get(struct Object *ob)
1327 {
1328         if(ob==NULL)
1329                 return NULL;
1330
1331         if(object_pose_context(ob))
1332                 return ob;
1333
1334         ob= modifiers_isDeformedByArmature(ob);
1335
1336         if(object_pose_context(ob))
1337                 return ob;
1338
1339         return NULL;
1340 }
1341
1342 static void copy_object_transform(Object *ob_tar, Object *ob_src)
1343 {
1344         copy_v3_v3(ob_tar->loc, ob_src->loc);
1345         copy_v3_v3(ob_tar->rot, ob_src->rot);
1346         copy_v3_v3(ob_tar->quat, ob_src->quat);
1347         copy_v3_v3(ob_tar->rotAxis, ob_src->rotAxis);
1348         ob_tar->rotAngle= ob_src->rotAngle;
1349         ob_tar->rotmode= ob_src->rotmode;
1350         copy_v3_v3(ob_tar->size, ob_src->size);
1351 }
1352
1353 Object *copy_object(Object *ob)
1354 {
1355         Object *obn;
1356         ModifierData *md;
1357         int a;
1358
1359         obn= copy_libblock(ob);
1360         
1361         if(ob->totcol) {
1362                 obn->mat= MEM_dupallocN(ob->mat);
1363                 obn->matbits= MEM_dupallocN(ob->matbits);
1364                 obn->totcol= ob->totcol;
1365         }
1366         
1367         if(ob->bb) obn->bb= MEM_dupallocN(ob->bb);
1368         obn->path= NULL;
1369         obn->flag &= ~OB_FROMGROUP;
1370         
1371         obn->modifiers.first = obn->modifiers.last= NULL;
1372         
1373         for (md=ob->modifiers.first; md; md=md->next) {
1374                 ModifierData *nmd = modifier_new(md->type);
1375                 BLI_strncpy(nmd->name, md->name, sizeof(nmd->name));
1376                 modifier_copyData(md, nmd);
1377                 BLI_addtail(&obn->modifiers, nmd);
1378         }
1379
1380         obn->prop.first = obn->prop.last = NULL;
1381         copy_properties(&obn->prop, &ob->prop);
1382         
1383         copy_sensors(&obn->sensors, &ob->sensors);
1384         copy_controllers(&obn->controllers, &ob->controllers);
1385         copy_actuators(&obn->actuators, &ob->actuators);
1386         
1387         if(ob->pose) {
1388                 copy_object_pose(obn, ob);
1389                 /* backwards compat... non-armatures can get poses in older files? */
1390                 if(ob->type==OB_ARMATURE)
1391                         armature_rebuild_pose(obn, obn->data);
1392         }
1393         defgroup_copy_list(&obn->defbase, &ob->defbase);
1394         copy_constraints(&obn->constraints, &ob->constraints, TRUE);
1395
1396         obn->mode = 0;
1397         obn->sculpt = NULL;
1398
1399         /* increase user numbers */
1400         id_us_plus((ID *)obn->data);
1401         id_us_plus((ID *)obn->gpd);
1402         id_lib_extern((ID *)obn->dup_group);
1403
1404         for(a=0; a<obn->totcol; a++) id_us_plus((ID *)obn->mat[a]);
1405         
1406         obn->disp.first= obn->disp.last= NULL;
1407         
1408         if(ob->pd){
1409                 obn->pd= MEM_dupallocN(ob->pd);
1410                 if(obn->pd->tex)
1411                         id_us_plus(&(obn->pd->tex->id));
1412                 if(obn->pd->rng)
1413                         obn->pd->rng = MEM_dupallocN(ob->pd->rng);
1414         }
1415         obn->soft= copy_softbody(ob->soft);
1416         obn->bsoft = copy_bulletsoftbody(ob->bsoft);
1417
1418         copy_object_particlesystems(obn, ob);
1419         
1420         obn->derivedDeform = NULL;
1421         obn->derivedFinal = NULL;
1422
1423         obn->gpulamp.first = obn->gpulamp.last = NULL;
1424         obn->pc_ids.first = obn->pc_ids.last = NULL;
1425
1426         obn->mpath= NULL;
1427         
1428         return obn;
1429 }
1430
1431 static void extern_local_object(Object *ob)
1432 {
1433         //bActionStrip *strip;
1434         ParticleSystem *psys;
1435
1436 #if 0 // XXX old animation system
1437         id_lib_extern((ID *)ob->action);
1438         id_lib_extern((ID *)ob->ipo);
1439 #endif // XXX old animation system
1440         id_lib_extern((ID *)ob->data);
1441         id_lib_extern((ID *)ob->dup_group);
1442         id_lib_extern((ID *)ob->poselib);
1443         id_lib_extern((ID *)ob->gpd);
1444
1445         extern_local_matarar(ob->mat, ob->totcol);
1446
1447 #if 0 // XXX old animation system
1448         for (strip=ob->nlastrips.first; strip; strip=strip->next) {
1449                 id_lib_extern((ID *)strip->act);
1450         }
1451 #endif // XXX old animation system
1452         for(psys=ob->particlesystem.first; psys; psys=psys->next)
1453                 id_lib_extern((ID *)psys->part);
1454 }
1455
1456 void make_local_object(Object *ob)
1457 {
1458         Main *bmain= G.main;
1459         Scene *sce;
1460         Base *base;
1461         int is_local= FALSE, is_lib= FALSE;
1462
1463         /* - only lib users: do nothing
1464          * - only local users: set flag
1465          * - mixed: make copy
1466          */
1467
1468         if(ob->id.lib==NULL) return;
1469         
1470         ob->proxy= ob->proxy_from= NULL;
1471         
1472         if(ob->id.us==1) {
1473                 id_clear_lib_data(bmain, &ob->id);
1474                 extern_local_object(ob);
1475         }
1476         else {
1477                 for(sce= bmain->scene.first; sce && ELEM(0, is_lib, is_local); sce= sce->id.next) {
1478                         if(object_in_scene(ob, sce)) {
1479                                 if(sce->id.lib) is_lib= TRUE;
1480                                 else is_local= TRUE;
1481                         }
1482                 }
1483
1484                 if(is_local && is_lib == FALSE) {
1485                         id_clear_lib_data(bmain, &ob->id);
1486                         extern_local_object(ob);
1487                 }
1488                 else if(is_local && is_lib) {
1489                         char *bpath_user_data[2]= {bmain->name, ob->id.lib->filepath};
1490                         Object *obn= copy_object(ob);
1491
1492                         obn->id.us= 0;
1493                         
1494                         /* Remap paths of new ID using old library as base. */
1495                         bpath_traverse_id(bmain, &obn->id, bpath_relocate_visitor, 0, bpath_user_data);
1496
1497                         sce= bmain->scene.first;
1498                         while(sce) {
1499                                 if(sce->id.lib==NULL) {
1500                                         base= sce->base.first;
1501                                         while(base) {
1502                                                 if(base->object==ob) {
1503                                                         base->object= obn;
1504                                                         obn->id.us++;
1505                                                         ob->id.us--;
1506                                                 }
1507                                                 base= base->next;
1508                                         }
1509                                 }
1510                                 sce= sce->id.next;
1511                         }
1512                 }
1513         }
1514 }
1515
1516 /*
1517  * Returns true if the Object is a from an external blend file (libdata)
1518  */
1519 int object_is_libdata(Object *ob)
1520 {
1521         if (!ob) return 0;
1522         if (ob->proxy) return 0;
1523         if (ob->id.lib) return 1;
1524         return 0;
1525 }
1526
1527 /* Returns true if the Object data is a from an external blend file (libdata) */
1528 int object_data_is_libdata(Object *ob)
1529 {
1530         if(!ob) return 0;
1531         if(ob->proxy && (ob->data==NULL || ((ID *)ob->data)->lib==NULL)) return 0;
1532         if(ob->id.lib) return 1;
1533         if(ob->data==NULL) return 0;
1534         if(((ID *)ob->data)->lib) return 1;
1535
1536         return 0;
1537 }
1538
1539 /* *************** PROXY **************** */
1540
1541 /* when you make proxy, ensure the exposed layers are extern */
1542 static void armature_set_id_extern(Object *ob)
1543 {
1544         bArmature *arm= ob->data;
1545         bPoseChannel *pchan;
1546         unsigned int lay= arm->layer_protected;
1547         
1548         for (pchan = ob->pose->chanbase.first; pchan; pchan=pchan->next) {
1549                 if(!(pchan->bone->layer & lay))
1550                         id_lib_extern((ID *)pchan->custom);
1551         }
1552                         
1553 }
1554
1555 void object_copy_proxy_drivers(Object *ob, Object *target)
1556 {
1557         if ((target->adt) && (target->adt->drivers.first)) {
1558                 FCurve *fcu;
1559                 
1560                 /* add new animdata block */
1561                 if(!ob->adt)
1562                         ob->adt= BKE_id_add_animdata(&ob->id);
1563                 
1564                 /* make a copy of all the drivers (for now), then correct any links that need fixing */
1565                 free_fcurves(&ob->adt->drivers);
1566                 copy_fcurves(&ob->adt->drivers, &target->adt->drivers);
1567                 
1568                 for (fcu= ob->adt->drivers.first; fcu; fcu= fcu->next) {
1569                         ChannelDriver *driver= fcu->driver;
1570                         DriverVar *dvar;
1571                         
1572                         for (dvar= driver->variables.first; dvar; dvar= dvar->next) {
1573                                 /* all drivers */
1574                                 DRIVER_TARGETS_LOOPER(dvar) 
1575                                 {
1576                                         if(dtar->id) {
1577                                                 if ((Object *)dtar->id == target)
1578                                                         dtar->id= (ID *)ob;
1579                                                 else {
1580                                                         /* only on local objects because this causes indirect links a -> b -> c,blend to point directly to a.blend
1581                                                          * when a.blend has a proxy thats linked into c.blend  */
1582                                                         if(ob->id.lib==NULL)
1583                                                                 id_lib_extern((ID *)dtar->id);
1584                                                 }
1585                                         }
1586                                 }
1587                                 DRIVER_TARGETS_LOOPER_END
1588                         }
1589                 }
1590         }
1591 }
1592
1593 /* proxy rule: lib_object->proxy_from == the one we borrow from, set temporally while object_update */
1594 /*             local_object->proxy == pointer to library object, saved in files and read */
1595 /*             local_object->proxy_group == pointer to group dupli-object, saved in files and read */
1596
1597 void object_make_proxy(Object *ob, Object *target, Object *gob)
1598 {
1599         /* paranoia checks */
1600         if(ob->id.lib || target->id.lib==NULL) {
1601                 printf("cannot make proxy\n");
1602                 return;
1603         }
1604         
1605         ob->proxy= target;
1606         ob->proxy_group= gob;
1607         id_lib_extern(&target->id);
1608         
1609         ob->recalc= target->recalc= OB_RECALC_OB|OB_RECALC_DATA|OB_RECALC_TIME;
1610         
1611         /* copy transform
1612          * - gob means this proxy comes from a group, just apply the matrix
1613          *   so the object wont move from its dupli-transform.
1614          *
1615          * - no gob means this is being made from a linked object,
1616          *   this is closer to making a copy of the object - in-place. */
1617         if(gob) {
1618                 ob->rotmode= target->rotmode;
1619                 mul_m4_m4m4(ob->obmat, target->obmat, gob->obmat);
1620                 if(gob->dup_group) { /* should always be true */
1621                         float tvec[3];
1622                         copy_v3_v3(tvec, gob->dup_group->dupli_ofs);
1623                         mul_mat3_m4_v3(ob->obmat, tvec);
1624                         sub_v3_v3(ob->obmat[3], tvec);
1625                 }
1626                 object_apply_mat4(ob, ob->obmat, FALSE, TRUE);
1627         }
1628         else {
1629                 copy_object_transform(ob, target);
1630                 ob->parent= target->parent;     /* libdata */
1631                 copy_m4_m4(ob->parentinv, target->parentinv);
1632         }
1633         
1634         /* copy animdata stuff - drivers only for now... */
1635         object_copy_proxy_drivers(ob, target);
1636
1637         /* skip constraints? */
1638         // FIXME: this is considered by many as a bug
1639         
1640         /* set object type and link to data */
1641         ob->type= target->type;
1642         ob->data= target->data;
1643         id_us_plus((ID *)ob->data);             /* ensures lib data becomes LIB_EXTERN */
1644         
1645         /* copy material and index information */
1646         ob->actcol= ob->totcol= 0;
1647         if(ob->mat) MEM_freeN(ob->mat);
1648         if(ob->matbits) MEM_freeN(ob->matbits);
1649         ob->mat = NULL;
1650         ob->matbits= NULL;
1651         if ((target->totcol) && (target->mat) && OB_TYPE_SUPPORT_MATERIAL(ob->type)) {
1652                 int i;
1653                 ob->colbits = target->colbits;
1654                 
1655                 ob->actcol= target->actcol;
1656                 ob->totcol= target->totcol;
1657                 
1658                 ob->mat = MEM_dupallocN(target->mat);
1659                 ob->matbits = MEM_dupallocN(target->matbits);
1660                 for(i=0; i<target->totcol; i++) {
1661                         /* dont need to run test_object_materials since we know this object is new and not used elsewhere */
1662                         id_us_plus((ID *)ob->mat[i]); 
1663                 }
1664         }
1665         
1666         /* type conversions */
1667         if(target->type == OB_ARMATURE) {
1668                 copy_object_pose(ob, target);   /* data copy, object pointers in constraints */
1669                 rest_pose(ob->pose);                    /* clear all transforms in channels */
1670                 armature_rebuild_pose(ob, ob->data);    /* set all internal links */
1671                 
1672                 armature_set_id_extern(ob);
1673         }
1674         else if (target->type == OB_EMPTY) {
1675                 ob->empty_drawtype = target->empty_drawtype;
1676                 ob->empty_drawsize = target->empty_drawsize;
1677         }
1678
1679         /* copy IDProperties */
1680         if(ob->id.properties) {
1681                 IDP_FreeProperty(ob->id.properties);
1682                 MEM_freeN(ob->id.properties);
1683                 ob->id.properties= NULL;
1684         }
1685         if(target->id.properties) {
1686                 ob->id.properties= IDP_CopyProperty(target->id.properties);
1687         }
1688
1689         /* copy drawtype info */
1690         ob->dt= target->dt;
1691 }
1692
1693
1694 /* *************** CALC ****************** */
1695
1696 /* there is also a timing calculation in drawobject() */
1697
1698
1699 // XXX THIS CRUFT NEEDS SERIOUS RECODING ASAP!
1700 /* ob can be NULL */
1701 float bsystem_time(struct Scene *scene, Object *UNUSED(ob), float cfra, float ofs)
1702 {
1703         /* returns float ( see BKE_curframe in scene.c) */
1704         cfra += scene->r.subframe;
1705         
1706         /* global time */
1707         if (scene)
1708                 cfra*= scene->r.framelen;       
1709         
1710 #if 0 // XXX old animation system
1711         if (ob) {
1712                 /* ofset frames */
1713                 if ((ob->ipoflag & OB_OFFS_PARENT) && (ob->partype & PARSLOW)==0) 
1714                         cfra-= give_timeoffset(ob);
1715         }
1716 #endif // XXX old animation system
1717         
1718         cfra-= ofs;
1719
1720         return cfra;
1721 }
1722
1723 void object_scale_to_mat3(Object *ob, float mat[][3])
1724 {
1725         float vec[3];
1726         add_v3_v3v3(vec, ob->size, ob->dsize);
1727         size_to_mat3( mat,vec);
1728 }
1729
1730
1731 void object_rot_to_mat3(Object *ob, float mat[][3])
1732 {
1733         float rmat[3][3], dmat[3][3];
1734         
1735         /* 'dmat' is the delta-rotation matrix, which will get (pre)multiplied
1736          * with the rotation matrix to yield the appropriate rotation
1737          */
1738
1739         /* rotations may either be quats, eulers (with various rotation orders), or axis-angle */
1740         if (ob->rotmode > 0) {
1741                 /* euler rotations (will cause gimble lock, but this can be alleviated a bit with rotation orders) */
1742                 eulO_to_mat3(rmat, ob->rot, ob->rotmode);
1743                 eulO_to_mat3(dmat, ob->drot, ob->rotmode);
1744         }
1745         else if (ob->rotmode == ROT_MODE_AXISANGLE) {
1746                 /* axis-angle -  not really that great for 3D-changing orientations */
1747                 axis_angle_to_mat3(rmat, ob->rotAxis, ob->rotAngle);
1748                 axis_angle_to_mat3(dmat, ob->drotAxis, ob->drotAngle);
1749         }
1750         else {
1751                 /* quats are normalised before use to eliminate scaling issues */
1752                 float tquat[4];
1753                 
1754                 normalize_qt_qt(tquat, ob->quat);
1755                 quat_to_mat3(rmat, tquat);
1756                 
1757                 normalize_qt_qt(tquat, ob->dquat);
1758                 quat_to_mat3(dmat, tquat);
1759         }
1760         
1761         /* combine these rotations */
1762         mul_m3_m3m3(mat, dmat, rmat);
1763 }
1764
1765 void object_mat3_to_rot(Object *ob, float mat[][3], short use_compat)
1766 {
1767         switch(ob->rotmode) {
1768         case ROT_MODE_QUAT:
1769                 {
1770                         float dquat[4];
1771                         mat3_to_quat(ob->quat, mat);
1772                         normalize_qt_qt(dquat, ob->dquat);
1773                         invert_qt(dquat);
1774                         mul_qt_qtqt(ob->quat, dquat, ob->quat);
1775                 }
1776                 break;
1777         case ROT_MODE_AXISANGLE:
1778                 mat3_to_axis_angle(ob->rotAxis, &ob->rotAngle, mat);
1779                 sub_v3_v3(ob->rotAxis, ob->drotAxis);
1780                 ob->rotAngle -= ob->drotAngle;
1781                 break;
1782         default: /* euler */
1783                 {
1784                         float quat[4];
1785                         float dquat[4];
1786                         float tmat[3][3];
1787
1788                         /* without drot we could apply 'mat' directly */
1789                         mat3_to_quat(quat, mat);
1790                         eulO_to_quat(dquat, ob->drot, ob->rotmode);
1791                         invert_qt(dquat);
1792                         mul_qt_qtqt(quat, dquat, quat);
1793                         quat_to_mat3(tmat, quat);
1794                         /* end drot correction */
1795
1796                         if(use_compat)  mat3_to_compatible_eulO(ob->rot, ob->rot, ob->rotmode, tmat);
1797                         else                    mat3_to_eulO(ob->rot, ob->rotmode, tmat);
1798                 }
1799         }
1800 }
1801
1802 /* see pchan_apply_mat4() for the equivalent 'pchan' function */
1803 void object_apply_mat4(Object *ob, float mat[][4], const short use_compat, const short use_parent)
1804 {
1805         float rot[3][3];
1806
1807         if(use_parent && ob->parent) {
1808                 float rmat[4][4], diff_mat[4][4], imat[4][4];
1809                 mul_m4_m4m4(diff_mat, ob->parentinv, ob->parent->obmat);
1810                 invert_m4_m4(imat, diff_mat);
1811                 mul_m4_m4m4(rmat, mat, imat); /* get the parent relative matrix */
1812                 object_apply_mat4(ob, rmat, use_compat, FALSE);
1813                 
1814                 /* same as below, use rmat rather than mat */
1815                 mat4_to_loc_rot_size(ob->loc, rot, ob->size, rmat);
1816                 object_mat3_to_rot(ob, rot, use_compat);
1817         }
1818         else {
1819                 mat4_to_loc_rot_size(ob->loc, rot, ob->size, mat);
1820                 object_mat3_to_rot(ob, rot, use_compat);
1821         }
1822         
1823         sub_v3_v3(ob->loc, ob->dloc);
1824         sub_v3_v3(ob->size, ob->dsize);
1825         /* object_mat3_to_rot handles delta rotations */
1826 }
1827
1828 void object_to_mat3(Object *ob, float mat[][3]) /* no parent */
1829 {
1830         float smat[3][3];
1831         float rmat[3][3];
1832         /*float q1[4];*/
1833         
1834         /* size */
1835         object_scale_to_mat3(ob, smat);
1836
1837         /* rot */
1838         object_rot_to_mat3(ob, rmat);
1839         mul_m3_m3m3(mat, rmat, smat);
1840 }
1841
1842 void object_to_mat4(Object *ob, float mat[][4])
1843 {
1844         float tmat[3][3];
1845         
1846         object_to_mat3(ob, tmat);
1847         
1848         copy_m4_m3(mat, tmat);
1849
1850         add_v3_v3v3(mat[3], ob->loc, ob->dloc);
1851 }
1852
1853 /* extern */
1854 int enable_cu_speed= 1;
1855
1856 static void ob_parcurve(Scene *scene, Object *ob, Object *par, float mat[][4])
1857 {
1858         Curve *cu;
1859         float vec[4], dir[3], quat[4], radius, ctime;
1860         float timeoffs = 0.0, sf_orig = 0.0;
1861         
1862         unit_m4(mat);
1863         
1864         cu= par->data;
1865         if(cu->path==NULL || cu->path->data==NULL) /* only happens on reload file, but violates depsgraph still... fix! */
1866                 makeDispListCurveTypes(scene, par, 0);
1867         if(cu->path==NULL) return;
1868         
1869         /* exception, timeoffset is regarded as distance offset */
1870         if(cu->flag & CU_OFFS_PATHDIST) {
1871                 timeoffs = give_timeoffset(ob);
1872                 SWAP(float, sf_orig, ob->sf);
1873         }
1874         
1875         /* catch exceptions: feature for nla stride editing */
1876         if(ob->ipoflag & OB_DISABLE_PATH) {
1877                 ctime= 0.0f;
1878         }
1879         /* catch exceptions: curve paths used as a duplicator */
1880         else if(enable_cu_speed) {
1881                 /* ctime is now a proper var setting of Curve which gets set by Animato like any other var that's animated,
1882                  * but this will only work if it actually is animated... 
1883                  *
1884                  * we divide the curvetime calculated in the previous step by the length of the path, to get a time
1885                  * factor, which then gets clamped to lie within 0.0 - 1.0 range
1886                  */
1887                 if (IS_EQF(cu->pathlen, 0.0f) == 0)
1888                         ctime= cu->ctime / cu->pathlen;
1889                 else
1890                         ctime= cu->ctime;
1891
1892                 CLAMP(ctime, 0.0f, 1.0f);
1893         }
1894         else {
1895                 ctime= scene->r.cfra - give_timeoffset(ob);
1896                 if (IS_EQF(cu->pathlen, 0.0f) == 0)
1897                         ctime /= cu->pathlen;
1898                 
1899                 CLAMP(ctime, 0.0f, 1.0f);
1900         }
1901         
1902         /* time calculus is correct, now apply distance offset */
1903         if(cu->flag & CU_OFFS_PATHDIST) {
1904                 ctime += timeoffs/cu->path->totdist;
1905
1906                 /* restore */
1907                 SWAP(float, sf_orig, ob->sf);
1908         }
1909         
1910         
1911         /* vec: 4 items! */
1912         if( where_on_path(par, ctime, vec, dir, cu->flag & CU_FOLLOW ? quat:NULL, &radius, NULL) ) {
1913
1914                 if(cu->flag & CU_FOLLOW) {
1915 #if 0
1916                         float x1, q[4];
1917                         vec_to_quat( quat,dir, ob->trackflag, ob->upflag);
1918                         
1919                         /* the tilt */
1920                         normalize_v3(dir);
1921                         q[0]= (float)cos(0.5*vec[3]);
1922                         x1= (float)sin(0.5*vec[3]);
1923                         q[1]= -x1*dir[0];
1924                         q[2]= -x1*dir[1];
1925                         q[3]= -x1*dir[2];
1926                         mul_qt_qtqt(quat, q, quat);
1927 #else
1928                         quat_apply_track(quat, ob->trackflag, ob->upflag);
1929 #endif
1930                         normalize_qt(quat);
1931                         quat_to_mat4(mat, quat);
1932                 }
1933                 
1934                 if(cu->flag & CU_PATH_RADIUS) {
1935                         float tmat[4][4], rmat[4][4];
1936                         scale_m4_fl(tmat, radius);
1937                         mul_m4_m4m4(rmat, mat, tmat);
1938                         copy_m4_m4(mat, rmat);
1939                 }
1940
1941                 copy_v3_v3(mat[3], vec);
1942                 
1943         }
1944 }
1945
1946 static void ob_parbone(Object *ob, Object *par, float mat[][4])
1947 {       
1948         bPoseChannel *pchan;
1949         float vec[3];
1950         
1951         if (par->type!=OB_ARMATURE) {
1952                 unit_m4(mat);
1953                 return;
1954         }
1955         
1956         /* Make sure the bone is still valid */
1957         pchan= get_pose_channel(par->pose, ob->parsubstr);
1958         if (!pchan){
1959                 printf ("Object %s with Bone parent: bone %s doesn't exist\n", ob->id.name+2, ob->parsubstr);
1960                 unit_m4(mat);
1961                 return;
1962         }
1963
1964         /* get bone transform */
1965         copy_m4_m4(mat, pchan->pose_mat);
1966
1967         /* but for backwards compatibility, the child has to move to the tail */
1968         copy_v3_v3(vec, mat[1]);
1969         mul_v3_fl(vec, pchan->bone->length);
1970         add_v3_v3(mat[3], vec);
1971 }
1972
1973 static void give_parvert(Object *par, int nr, float *vec)
1974 {
1975         EditMesh *em;
1976         int a, count;
1977         
1978         vec[0]=vec[1]=vec[2]= 0.0f;
1979         
1980         if(par->type==OB_MESH) {
1981                 Mesh *me= par->data;
1982                 DerivedMesh *dm;
1983
1984                 em = BKE_mesh_get_editmesh(me);
1985                 dm = (em)? em->derivedFinal: par->derivedFinal;
1986                         
1987                 if(dm) {
1988                         MVert *mvert= dm->getVertArray(dm);
1989                         int *index = (int *)dm->getVertDataArray(dm, CD_ORIGINDEX);
1990                         int i, vindex, numVerts = dm->getNumVerts(dm);
1991
1992                         /* get the average of all verts with (original index == nr) */
1993                         count= 0;
1994                         for(i = 0; i < numVerts; i++) {
1995                                 vindex= (index)? index[i]: i;
1996
1997                                 if(vindex == nr) {
1998                                         add_v3_v3(vec, mvert[i].co);
1999                                         count++;
2000                                 }
2001                         }
2002
2003                         if (count==0) {
2004                                 /* keep as 0,0,0 */
2005                         } else if(count > 0) {
2006                                 mul_v3_fl(vec, 1.0f / count);
2007                         } else {
2008                                 /* use first index if its out of range */
2009                                 dm->getVertCo(dm, 0, vec);
2010                         }
2011                 }
2012
2013                 if(em)
2014                         BKE_mesh_end_editmesh(me, em);
2015         }
2016         else if (ELEM(par->type, OB_CURVE, OB_SURF)) {
2017                 Nurb *nu;
2018                 Curve *cu;
2019                 BPoint *bp;
2020                 BezTriple *bezt;
2021                 int found= 0;
2022                 ListBase *nurbs;
2023
2024                 cu= par->data;
2025                 nurbs= BKE_curve_nurbs(cu);
2026                 nu= nurbs->first;
2027
2028                 count= 0;
2029                 while(nu && !found) {
2030                         if(nu->type == CU_BEZIER) {
2031                                 bezt= nu->bezt;
2032                                 a= nu->pntsu;
2033                                 while(a--) {
2034                                         if(count==nr) {
2035                                                 found= 1;
2036                                                 copy_v3_v3(vec, bezt->vec[1]);
2037                                                 break;
2038                                         }
2039                                         count++;
2040                                         bezt++;
2041                                 }
2042                         }
2043                         else {
2044                                 bp= nu->bp;
2045                                 a= nu->pntsu*nu->pntsv;
2046                                 while(a--) {
2047                                         if(count==nr) {
2048                                                 found= 1;
2049                                                 memcpy(vec, bp->vec, sizeof(float)*3);
2050                                                 break;
2051                                         }
2052                                         count++;
2053                                         bp++;
2054                                 }
2055                         }
2056                         nu= nu->next;
2057                 }
2058
2059         }
2060         else if(par->type==OB_LATTICE) {
2061                 Lattice *latt= par->data;
2062                 BPoint *bp;
2063                 DispList *dl = find_displist(&par->disp, DL_VERTS);
2064                 float *co = dl?dl->verts:NULL;
2065                 
2066                 if(latt->editlatt) latt= latt->editlatt->latt;
2067                 
2068                 a= latt->pntsu*latt->pntsv*latt->pntsw;
2069                 count= 0;
2070                 bp= latt->def;
2071                 while(a--) {
2072                         if(count==nr) {
2073                                 if(co)
2074                                         memcpy(vec, co, 3*sizeof(float));
2075                                 else
2076                                         memcpy(vec, bp->vec, 3*sizeof(float));
2077                                 break;
2078                         }
2079                         count++;
2080                         if(co) co+= 3;
2081                         else bp++;
2082                 }
2083         }
2084 }
2085
2086 static void ob_parvert3(Object *ob, Object *par, float mat[][4])
2087 {
2088         float cmat[3][3], v1[3], v2[3], v3[3], q[4];
2089
2090         /* in local ob space */
2091         unit_m4(mat);
2092         
2093         if (ELEM4(par->type, OB_MESH, OB_SURF, OB_CURVE, OB_LATTICE)) {
2094                 
2095                 give_parvert(par, ob->par1, v1);
2096                 give_parvert(par, ob->par2, v2);
2097                 give_parvert(par, ob->par3, v3);
2098                                 
2099                 tri_to_quat( q,v1, v2, v3);
2100                 quat_to_mat3( cmat,q);
2101                 copy_m4_m3(mat, cmat);
2102                 
2103                 if(ob->type==OB_CURVE) {
2104                         copy_v3_v3(mat[3], v1);
2105                 }
2106                 else {
2107                         add_v3_v3v3(mat[3], v1, v2);
2108                         add_v3_v3(mat[3], v3);
2109                         mul_v3_fl(mat[3], 0.3333333f);
2110                 }
2111         }
2112 }
2113
2114 // XXX what the hell is this?
2115 static int no_parent_ipo=0;
2116 void set_no_parent_ipo(int val)
2117 {
2118         no_parent_ipo= val;
2119 }
2120
2121 void where_is_object_time(Scene *scene, Object *ob, float ctime)
2122 {
2123         float *fp1, *fp2, slowmat[4][4] = MAT4_UNITY;
2124         float stime=ctime, fac1, fac2;
2125         int a;
2126         
2127         /* new version: correct parent+vertexparent and track+parent */
2128         /* this one only calculates direct attached parent and track */
2129         /* is faster, but should keep track of timeoffs */
2130         
2131         if(ob==NULL) return;
2132         
2133         /* execute drivers only, as animation has already been done */
2134         BKE_animsys_evaluate_animdata(scene, &ob->id, ob->adt, ctime, ADT_RECALC_DRIVERS);
2135         
2136         if(ob->parent) {
2137                 Object *par= ob->parent;
2138                 
2139                 // XXX depreceated - animsys
2140                 if(ob->ipoflag & OB_OFFS_PARENT) ctime-= give_timeoffset(ob);
2141                 
2142                 /* hurms, code below conflicts with depgraph... (ton) */
2143                 /* and even worse, it gives bad effects for NLA stride too (try ctime != par->ctime, with MBlur) */
2144                 if(no_parent_ipo==0 && stime != par->ctime) {
2145                         // only for ipo systems? 
2146                         Object tmp= *par;
2147                         
2148                         if(par->proxy_from);    // was a copied matrix, no where_is! bad...
2149                         else where_is_object_time(scene, par, ctime);
2150
2151                         solve_parenting(scene, ob, par, ob->obmat, slowmat, 0);
2152
2153                         *par= tmp;
2154                 }
2155                 else
2156                         solve_parenting(scene, ob, par, ob->obmat, slowmat, 0);
2157                 
2158                 if(ob->partype & PARSLOW) {
2159                         // include framerate
2160                         fac1= ( 1.0f / (1.0f + (float)fabs(give_timeoffset(ob))) );
2161                         if(fac1 >= 1.0f) return;
2162                         fac2= 1.0f-fac1;
2163                         
2164                         fp1= ob->obmat[0];
2165                         fp2= slowmat[0];
2166                         for(a=0; a<16; a++, fp1++, fp2++) {
2167                                 fp1[0]= fac1*fp1[0] + fac2*fp2[0];
2168                         }
2169                 }
2170         }
2171         else {
2172                 object_to_mat4(ob, ob->obmat);
2173         }
2174
2175         /* solve constraints */
2176         if (ob->constraints.first && !(ob->transflag & OB_NO_CONSTRAINTS)) {
2177                 bConstraintOb *cob;
2178                 
2179                 cob= constraints_make_evalob(scene, ob, NULL, CONSTRAINT_OBTYPE_OBJECT);
2180                 
2181                 /* constraints need ctime, not stime. Some call where_is_object_time and bsystem_time */
2182                 solve_constraints (&ob->constraints, cob, ctime);
2183                 
2184                 constraints_clear_evalob(cob);
2185         }
2186         
2187         /* set negative scale flag in object */
2188         if(is_negative_m4(ob->obmat))   ob->transflag |= OB_NEG_SCALE;
2189         else                                                    ob->transflag &= ~OB_NEG_SCALE;
2190 }
2191
2192 static void solve_parenting (Scene *scene, Object *ob, Object *par, float obmat[][4], float slowmat[][4], int simul)
2193 {
2194         float totmat[4][4];
2195         float tmat[4][4];
2196         float locmat[4][4];
2197         float vec[3];
2198         int ok;
2199         
2200         object_to_mat4(ob, locmat);
2201         
2202         if(ob->partype & PARSLOW) copy_m4_m4(slowmat, obmat);
2203
2204         switch(ob->partype & PARTYPE) {
2205         case PAROBJECT:
2206                 ok= 0;
2207                 if(par->type==OB_CURVE) {
2208                         if( ((Curve *)par->data)->flag & CU_PATH ) {
2209                                 ob_parcurve(scene, ob, par, tmat);
2210                                 ok= 1;
2211                         }
2212                 }
2213                 
2214                 if(ok) mul_serie_m4(totmat, par->obmat, tmat, 
2215                         NULL, NULL, NULL, NULL, NULL, NULL);
2216                 else copy_m4_m4(totmat, par->obmat);
2217                 
2218                 break;
2219         case PARBONE:
2220                 ob_parbone(ob, par, tmat);
2221                 mul_serie_m4(totmat, par->obmat, tmat,         
2222                         NULL, NULL, NULL, NULL, NULL, NULL);
2223                 break;
2224                 
2225         case PARVERT1:
2226                 unit_m4(totmat);
2227                 if (simul){
2228                         copy_v3_v3(totmat[3], par->obmat[3]);
2229                 }
2230                 else{
2231                         give_parvert(par, ob->par1, vec);
2232                         mul_v3_m4v3(totmat[3], par->obmat, vec);
2233                 }
2234                 break;
2235         case PARVERT3:
2236                 ob_parvert3(ob, par, tmat);
2237                 
2238                 mul_serie_m4(totmat, par->obmat, tmat,         
2239                         NULL, NULL, NULL, NULL, NULL, NULL);
2240                 break;
2241                 
2242         case PARSKEL:
2243                 copy_m4_m4(totmat, par->obmat);
2244                 break;
2245         }
2246         
2247         // total 
2248         mul_serie_m4(tmat, totmat, ob->parentinv,         
2249                 NULL, NULL, NULL, NULL, NULL, NULL);
2250         mul_serie_m4(obmat, tmat, locmat,         
2251                 NULL, NULL, NULL, NULL, NULL, NULL);
2252         
2253         if (simul) {
2254
2255         }
2256         else{
2257                 // external usable originmat 
2258                 copy_m3_m4(originmat, tmat);
2259                 
2260                 // origin, voor help line
2261                 if( (ob->partype & PARTYPE)==PARSKEL ) {
2262                         copy_v3_v3(ob->orig, par->obmat[3]);
2263                 }
2264                 else {
2265                         copy_v3_v3(ob->orig, totmat[3]);
2266                 }
2267         }
2268
2269 }
2270
2271 void where_is_object(struct Scene *scene, Object *ob)
2272 {
2273         where_is_object_time(scene, ob, (float)scene->r.cfra);
2274 }
2275
2276
2277 void where_is_object_simul(Scene *scene, Object *ob)
2278 /* was written for the old game engine (until 2.04) */
2279 /* It seems that this function is only called
2280 for a lamp that is the child of another object */
2281 {
2282         Object *par;
2283         //Ipo *ipo;
2284         float *fp1, *fp2;
2285         float slowmat[4][4];
2286         float fac1, fac2;
2287         int a;
2288         
2289         /* NO TIMEOFFS */
2290         if(ob->parent) {
2291                 par= ob->parent;
2292                 
2293                 solve_parenting(scene, ob, par, ob->obmat, slowmat, 1);
2294
2295                 if(ob->partype & PARSLOW) {
2296
2297                         fac1= (float)(1.0/(1.0+ fabs(give_timeoffset(ob))));
2298                         fac2= 1.0f-fac1;
2299                         fp1= ob->obmat[0];
2300                         fp2= slowmat[0];
2301                         for(a=0; a<16; a++, fp1++, fp2++) {
2302                                 fp1[0]= fac1*fp1[0] + fac2*fp2[0];
2303                         }
2304                 }
2305                 
2306         }
2307         else {
2308                 object_to_mat4(ob, ob->obmat);
2309         }
2310         
2311         /* solve constraints */
2312         if (ob->constraints.first) {
2313                 bConstraintOb *cob;
2314                 
2315                 cob= constraints_make_evalob(scene, ob, NULL, CONSTRAINT_OBTYPE_OBJECT);
2316                 solve_constraints(&ob->constraints, cob, (float)scene->r.cfra);
2317                 constraints_clear_evalob(cob);
2318         }
2319 }
2320
2321 /* for calculation of the inverse parent transform, only used for editor */
2322 void what_does_parent(Scene *scene, Object *ob, Object *workob)
2323 {
2324         clear_workob(workob);
2325         
2326         unit_m4(workob->obmat);
2327         unit_m4(workob->parentinv);
2328         unit_m4(workob->constinv);
2329         workob->parent= ob->parent;
2330
2331         workob->trackflag= ob->trackflag;
2332         workob->upflag= ob->upflag;
2333         
2334         workob->partype= ob->partype;
2335         workob->par1= ob->par1;
2336         workob->par2= ob->par2;
2337         workob->par3= ob->par3;
2338
2339         workob->constraints.first = ob->constraints.first;
2340         workob->constraints.last = ob->constraints.last;
2341
2342         BLI_strncpy(workob->parsubstr, ob->parsubstr, sizeof(workob->parsubstr));
2343
2344         where_is_object(scene, workob);
2345 }
2346
2347 BoundBox *unit_boundbox(void)
2348 {
2349         BoundBox *bb;
2350         float min[3] = {-1.0f,-1.0f,-1.0f}, max[3] = {-1.0f,-1.0f,-1.0f};
2351
2352         bb= MEM_callocN(sizeof(BoundBox), "OB-BoundBox");
2353         boundbox_set_from_min_max(bb, min, max);
2354         
2355         return bb;
2356 }
2357
2358 void boundbox_set_from_min_max(BoundBox *bb, float min[3], float max[3])
2359 {
2360         bb->vec[0][0]=bb->vec[1][0]=bb->vec[2][0]=bb->vec[3][0]= min[0];
2361         bb->vec[4][0]=bb->vec[5][0]=bb->vec[6][0]=bb->vec[7][0]= max[0];
2362         
2363         bb->vec[0][1]=bb->vec[1][1]=bb->vec[4][1]=bb->vec[5][1]= min[1];
2364         bb->vec[2][1]=bb->vec[3][1]=bb->vec[6][1]=bb->vec[7][1]= max[1];
2365
2366         bb->vec[0][2]=bb->vec[3][2]=bb->vec[4][2]=bb->vec[7][2]= min[2];
2367         bb->vec[1][2]=bb->vec[2][2]=bb->vec[5][2]=bb->vec[6][2]= max[2];
2368 }
2369
2370 BoundBox *object_get_boundbox(Object *ob)
2371 {
2372         BoundBox *bb= NULL;
2373         
2374         if(ob->type==OB_MESH) {
2375                 bb = mesh_get_bb(ob);
2376         }
2377         else if (ELEM3(ob->type, OB_CURVE, OB_SURF, OB_FONT)) {
2378                 bb= ob->bb ? ob->bb : ( (Curve *)ob->data )->bb;
2379         }
2380         else if(ob->type==OB_MBALL) {
2381                 bb= ob->bb;
2382         }
2383         return bb;
2384 }
2385
2386 /* used to temporally disable/enable boundbox */
2387 void object_boundbox_flag(Object *ob, int flag, int set)
2388 {
2389         BoundBox *bb= object_get_boundbox(ob);
2390         if(bb) {
2391                 if(set) bb->flag |= flag;
2392                 else bb->flag &= ~flag;
2393         }
2394 }
2395
2396 void object_get_dimensions(Object *ob, float *value)
2397 {
2398         BoundBox *bb = NULL;
2399         
2400         bb= object_get_boundbox(ob);
2401         if (bb) {
2402                 float scale[3];
2403                 
2404                 mat4_to_size( scale,ob->obmat);
2405                 
2406                 value[0] = fabsf(scale[0]) * (bb->vec[4][0] - bb->vec[0][0]);
2407                 value[1] = fabsf(scale[1]) * (bb->vec[2][1] - bb->vec[0][1]);
2408                 value[2] = fabsf(scale[2]) * (bb->vec[1][2] - bb->vec[0][2]);
2409         } else {
2410                 value[0] = value[1] = value[2] = 0.f;
2411         }
2412 }
2413
2414 void object_set_dimensions(Object *ob, const float *value)
2415 {
2416         BoundBox *bb = NULL;
2417         
2418         bb= object_get_boundbox(ob);
2419         if (bb) {
2420                 float scale[3], len[3];
2421                 
2422                 mat4_to_size( scale,ob->obmat);
2423                 
2424                 len[0] = bb->vec[4][0] - bb->vec[0][0];
2425                 len[1] = bb->vec[2][1] - bb->vec[0][1];
2426                 len[2] = bb->vec[1][2] - bb->vec[0][2];
2427                 
2428                 if (len[0] > 0.f) ob->size[0] = value[0] / len[0];
2429                 if (len[1] > 0.f) ob->size[1] = value[1] / len[1];
2430                 if (len[2] > 0.f) ob->size[2] = value[2] / len[2];
2431         }
2432 }
2433
2434 void minmax_object(Object *ob, float *min, float *max)
2435 {
2436         BoundBox bb;
2437         float vec[3];
2438         int a;
2439         short change= FALSE;
2440         
2441         switch(ob->type) {
2442         case OB_CURVE:
2443         case OB_FONT:
2444         case OB_SURF:
2445                 {
2446                         Curve *cu= ob->data;
2447
2448                         if(cu->bb==NULL) tex_space_curve(cu);
2449                         bb= *(cu->bb);
2450
2451                         for(a=0; a<8; a++) {
2452                                 mul_m4_v3(ob->obmat, bb.vec[a]);
2453                                 DO_MINMAX(bb.vec[a], min, max);
2454                         }
2455                         change= TRUE;
2456                 }
2457                 break;
2458         case OB_LATTICE:
2459                 {
2460                         Lattice *lt= ob->data;
2461                         BPoint *bp= lt->def;
2462                         int u, v, w;
2463
2464                         for(w=0; w<lt->pntsw; w++) {
2465                                 for(v=0; v<lt->pntsv; v++) {
2466                                         for(u=0; u<lt->pntsu; u++, bp++) {
2467                                                 mul_v3_m4v3(vec, ob->obmat, bp->vec);
2468                                                 DO_MINMAX(vec, min, max);
2469                                         }
2470                                 }
2471                         }
2472                         change= TRUE;
2473                 }
2474                 break;
2475         case OB_ARMATURE:
2476                 if(ob->pose) {
2477                         bPoseChannel *pchan;
2478                         for(pchan= ob->pose->chanbase.first; pchan; pchan= pchan->next) {
2479                                 mul_v3_m4v3(vec, ob->obmat, pchan->pose_head);
2480                                 DO_MINMAX(vec, min, max);
2481                                 mul_v3_m4v3(vec, ob->obmat, pchan->pose_tail);
2482                                 DO_MINMAX(vec, min, max);
2483                         }
2484                         change= TRUE;
2485                 }
2486                 break;
2487         case OB_MESH:
2488                 {
2489                         Mesh *me= get_mesh(ob);
2490
2491                         if(me) {
2492                                 bb = *mesh_get_bb(ob);
2493
2494                                 for(a=0; a<8; a++) {
2495                                         mul_m4_v3(ob->obmat, bb.vec[a]);
2496                                         DO_MINMAX(bb.vec[a], min, max);
2497                                 }
2498                                 change= TRUE;
2499                         }
2500                 }
2501                 break;
2502         }
2503
2504         if(change == FALSE) {
2505                 DO_MINMAX(ob->obmat[3], min, max);
2506
2507                 copy_v3_v3(vec, ob->obmat[3]);
2508                 add_v3_v3(vec, ob->size);
2509                 DO_MINMAX(vec, min, max);
2510
2511                 copy_v3_v3(vec, ob->obmat[3]);
2512                 sub_v3_v3(vec, ob->size);
2513                 DO_MINMAX(vec, min, max);
2514         }
2515 }
2516
2517 int minmax_object_duplis(Scene *scene, Object *ob, float *min, float *max)
2518 {
2519         int ok= 0;
2520         if ((ob->transflag & OB_DUPLI)==0) {
2521                 return ok;
2522         } else {
2523                 ListBase *lb;
2524                 DupliObject *dob;
2525                 
2526                 lb= object_duplilist(scene, ob);
2527                 for(dob= lb->first; dob; dob= dob->next) {
2528                         if(dob->no_draw == 0) {
2529                                 BoundBox *bb= object_get_boundbox(dob->ob);
2530
2531                                 if(bb) {
2532                                         int i;
2533                                         for(i=0; i<8; i++) {
2534                                                 float vec[3];
2535                                                 mul_v3_m4v3(vec, dob->mat, bb->vec[i]);
2536                                                 DO_MINMAX(vec, min, max);
2537                                         }
2538
2539                                         ok= 1;
2540                                 }
2541                         }
2542                 }
2543                 free_object_duplilist(lb);      /* does restore */
2544         }
2545
2546         return ok;
2547 }
2548
2549 /* copied from DNA_object_types.h */
2550 typedef struct ObTfmBack {
2551         float loc[3], dloc[3], orig[3];
2552         float size[3], dsize[3];        /* scale and delta scale */
2553         float rot[3], drot[3];          /* euler rotation */
2554         float quat[4], dquat[4];        /* quaternion rotation */
2555         float rotAxis[3], drotAxis[3];  /* axis angle rotation - axis part */
2556         float rotAngle, drotAngle;      /* axis angle rotation - angle part */
2557         float obmat[4][4];              /* final worldspace matrix with constraints & animsys applied */
2558         float parentinv[4][4]; /* inverse result of parent, so that object doesn't 'stick' to parent */
2559         float constinv[4][4]; /* inverse result of constraints. doesn't include effect of parent or object local transform */
2560         float imat[4][4];       /* inverse matrix of 'obmat' for during render, old game engine, temporally: ipokeys of transform  */
2561 } ObTfmBack;
2562
2563 void *object_tfm_backup(Object *ob)
2564 {
2565         ObTfmBack *obtfm= MEM_mallocN(sizeof(ObTfmBack), "ObTfmBack");
2566         copy_v3_v3(obtfm->loc, ob->loc);
2567         copy_v3_v3(obtfm->dloc, ob->dloc);
2568         copy_v3_v3(obtfm->orig, ob->orig);
2569         copy_v3_v3(obtfm->size, ob->size);
2570         copy_v3_v3(obtfm->dsize, ob->dsize);
2571         copy_v3_v3(obtfm->rot, ob->rot);
2572         copy_v3_v3(obtfm->drot, ob->drot);
2573         copy_qt_qt(obtfm->quat, ob->quat);
2574         copy_qt_qt(obtfm->dquat, ob->dquat);
2575         copy_v3_v3(obtfm->rotAxis, ob->rotAxis);
2576         copy_v3_v3(obtfm->drotAxis, ob->drotAxis);
2577         obtfm->rotAngle= ob->rotAngle;
2578         obtfm->drotAngle= ob->drotAngle;
2579         copy_m4_m4(obtfm->obmat, ob->obmat);
2580         copy_m4_m4(obtfm->parentinv, ob->parentinv);
2581         copy_m4_m4(obtfm->constinv, ob->constinv);
2582         copy_m4_m4(obtfm->imat, ob->imat);
2583
2584         return (void *)obtfm;
2585 }
2586
2587 void object_tfm_restore(Object *ob, void *obtfm_pt)
2588 {
2589         ObTfmBack *obtfm= (ObTfmBack *)obtfm_pt;
2590         copy_v3_v3(ob->loc, obtfm->loc);
2591         copy_v3_v3(ob->dloc, obtfm->dloc);
2592         copy_v3_v3(ob->orig, obtfm->orig);
2593         copy_v3_v3(ob->size, obtfm->size);
2594         copy_v3_v3(ob->dsize, obtfm->dsize);
2595         copy_v3_v3(ob->rot, obtfm->rot);
2596         copy_v3_v3(ob->drot, obtfm->drot);
2597         copy_qt_qt(ob->quat, obtfm->quat);
2598         copy_qt_qt(ob->dquat, obtfm->dquat);
2599         copy_v3_v3(ob->rotAxis, obtfm->rotAxis);
2600         copy_v3_v3(ob->drotAxis, obtfm->drotAxis);
2601         ob->rotAngle= obtfm->rotAngle;
2602         ob->drotAngle= obtfm->drotAngle;
2603         copy_m4_m4(ob->obmat, obtfm->obmat);
2604         copy_m4_m4(ob->parentinv, obtfm->parentinv);
2605         copy_m4_m4(ob->constinv, obtfm->constinv);
2606         copy_m4_m4(ob->imat, obtfm->imat);
2607 }
2608
2609 /* proxy rule: lib_object->proxy_from == the one we borrow from, only set temporal and cleared here */
2610 /*           local_object->proxy      == pointer to library object, saved in files and read */
2611
2612 /* function below is polluted with proxy exceptions, cleanup will follow! */
2613
2614 /* the main object update call, for object matrix, constraints, keys and displist (modifiers) */
2615 /* requires flags to be set! */
2616 void object_handle_update(Scene *scene, Object *ob)
2617 {
2618         if(ob->recalc & OB_RECALC_ALL) {
2619                 /* speed optimization for animation lookups */
2620                 if(ob->pose)
2621                         make_pose_channels_hash(ob->pose);
2622
2623                 if(ob->recalc & OB_RECALC_DATA) {
2624                         if(ob->type==OB_ARMATURE) {
2625                                 /* this happens for reading old files and to match library armatures
2626                                    with poses we do it ahead of where_is_object to ensure animation
2627                                    is evaluated on the rebuilt pose, otherwise we get incorrect poses
2628                                    on file load */
2629                                 if(ob->pose==NULL || (ob->pose->flag & POSE_RECALC))
2630                                         armature_rebuild_pose(ob, ob->data);
2631                         }
2632                 }
2633
2634                 /* XXX new animsys warning: depsgraph tag OB_RECALC_DATA should not skip drivers, 
2635                    which is only in where_is_object now */
2636                 // XXX: should this case be OB_RECALC_OB instead?
2637                 if(ob->recalc & OB_RECALC_ALL) {
2638                         
2639                         if (G.f & G_DEBUG)
2640                                 printf("recalcob %s\n", ob->id.name+2);
2641                         
2642                         /* handle proxy copy for target */
2643                         if(ob->id.lib && ob->proxy_from) {
2644                                 // printf("ob proxy copy, lib ob %s proxy %s\n", ob->id.name, ob->proxy_from->id.name);
2645                                 if(ob->proxy_from->proxy_group) {/* transform proxy into group space */
2646                                         Object *obg= ob->proxy_from->proxy_group;
2647                                         invert_m4_m4(obg->imat, obg->obmat);
2648                                         mul_m4_m4m4(ob->obmat, ob->proxy_from->obmat, obg->imat);
2649                                         if(obg->dup_group) { /* should always be true */
2650                                                 add_v3_v3(ob->obmat[3], obg->dup_group->dupli_ofs);
2651                                         }
2652                                 }
2653                                 else
2654                                         copy_m4_m4(ob->obmat, ob->proxy_from->obmat);
2655                         }
2656                         else
2657                                 where_is_object(scene, ob);
2658                 }
2659                 
2660                 if(ob->recalc & OB_RECALC_DATA) {
2661                         ID *data_id= (ID *)ob->data;
2662                         AnimData *adt= BKE_animdata_from_id(data_id);
2663                         float ctime= (float)scene->r.cfra; // XXX this is bad...
2664                         ListBase pidlist;
2665                         PTCacheID *pid;
2666                         
2667                         if (G.f & G_DEBUG)
2668                                 printf("recalcdata %s\n", ob->id.name+2);
2669
2670                         if(adt) {
2671                                 /* evaluate drivers */
2672                                 // XXX: for mesh types, should we push this to derivedmesh instead?
2673                                 BKE_animsys_evaluate_animdata(scene, data_id, adt, ctime, ADT_RECALC_DRIVERS);
2674                         }
2675
2676                         /* includes all keys and modifiers */
2677                         switch(ob->type) {
2678                         case OB_MESH:
2679                                 {
2680 #if 0                           // XXX, comment for 2.56a release, background wont set 'scene->customdata_mask'
2681                                         EditMesh *em = (ob == scene->obedit)? BKE_mesh_get_editmesh(ob->data): NULL;
2682                                         BLI_assert((scene->customdata_mask & CD_MASK_BAREMESH) == CD_MASK_BAREMESH);
2683                                         if(em) {
2684                                                 makeDerivedMesh(scene, ob, em,  scene->customdata_mask); /* was CD_MASK_BAREMESH */
2685                                                 BKE_mesh_end_editmesh(ob->data, em);
2686                                         } else
2687                                                 makeDerivedMesh(scene, ob, NULL, scene->customdata_mask);
2688
2689 #else                           /* ensure CD_MASK_BAREMESH for now */
2690                                         EditMesh *em = (ob == scene->obedit)? BKE_mesh_get_editmesh(ob->data): NULL;
2691                                         unsigned int data_mask= scene->customdata_mask | ob->customdata_mask | CD_MASK_BAREMESH;
2692                                         if(em) {
2693                                                 makeDerivedMesh(scene, ob, em,  data_mask); /* was CD_MASK_BAREMESH */
2694                                                 BKE_mesh_end_editmesh(ob->data, em);
2695                                         } else
2696                                                 makeDerivedMesh(scene, ob, NULL, data_mask);
2697 #endif
2698
2699                                 }
2700                                 break;
2701
2702                         case OB_ARMATURE:
2703                                 if(ob->id.lib && ob->proxy_from) {
2704                                         // printf("pose proxy copy, lib ob %s proxy %s\n", ob->id.name, ob->proxy_from->id.name);
2705                                         copy_pose_result(ob->pose, ob->proxy_from->pose);
2706                                 }
2707                                 else {
2708                                         where_is_pose(scene, ob);
2709                                 }
2710                                 break;
2711
2712                         case OB_MBALL:
2713                                 makeDispListMBall(scene, ob);
2714                                 break;
2715
2716                         case OB_CURVE:
2717                         case OB_SURF:
2718                         case OB_FONT:
2719                                 makeDispListCurveTypes(scene, ob, 0);
2720                                 break;
2721                                 
2722                         case OB_LATTICE:
2723                                 lattice_calc_modifiers(scene, ob);
2724                                 break;
2725                         }
2726
2727
2728                         if(ob->particlesystem.first) {
2729                                 ParticleSystem *tpsys, *psys;
2730                                 DerivedMesh *dm;
2731                                 ob->transflag &= ~OB_DUPLIPARTS;
2732                                 
2733                                 psys= ob->particlesystem.first;
2734                                 while(psys) {
2735                                         if(psys_check_enabled(ob, psys)) {
2736                                                 /* check use of dupli objects here */
2737                                                 if(psys->part && (psys->part->draw_as == PART_DRAW_REND || G.rendering) &&
2738                                                         ((psys->part->ren_as == PART_DRAW_OB && psys->part->dup_ob)
2739                                                         || (psys->part->ren_as == PART_DRAW_GR && psys->part->dup_group)))
2740                                                         ob->transflag |= OB_DUPLIPARTS;
2741
2742                                                 particle_system_update(scene, ob, psys);
2743                                                 psys= psys->next;
2744                                         }
2745                                         else if(psys->flag & PSYS_DELETE) {
2746                                                 tpsys=psys->next;
2747                                                 BLI_remlink(&ob->particlesystem, psys);
2748                                                 psys_free(ob,psys);
2749                                                 psys= tpsys;
2750                                         }
2751                                         else
2752                                                 psys= psys->next;
2753                                 }
2754
2755                                 if(G.rendering && ob->transflag & OB_DUPLIPARTS) {
2756                                         /* this is to make sure we get render level duplis in groups:
2757                                          * the derivedmesh must be created before init_render_mesh,
2758                                          * since object_duplilist does dupliparticles before that */
2759                                         dm = mesh_create_derived_render(scene, ob, CD_MASK_BAREMESH|CD_MASK_MTFACE|CD_MASK_MCOL);
2760                                         dm->release(dm);
2761
2762                                         for(psys=ob->particlesystem.first; psys; psys=psys->next)
2763                                                 psys_get_modifier(ob, psys)->flag &= ~eParticleSystemFlag_psys_updated;
2764                                 }
2765                         }
2766
2767                         /* check if quick cache is needed */
2768                         BKE_ptcache_ids_from_object(&pidlist, ob, scene, MAX_DUPLI_RECUR);
2769
2770                         for(pid=pidlist.first; pid; pid=pid->next) {
2771                                 if((pid->cache->flag & PTCACHE_BAKED)
2772                                         || (pid->cache->flag & PTCACHE_QUICK_CACHE)==0)
2773                                         continue;
2774
2775                                 if(pid->cache->flag & PTCACHE_OUTDATED || (pid->cache->flag & PTCACHE_SIMULATION_VALID)==0) {
2776                                         scene->physics_settings.quick_cache_step =
2777                                                 scene->physics_settings.quick_cache_step ?
2778                                                 MIN2(scene->physics_settings.quick_cache_step, pid->cache->step) :
2779                                                 pid->cache->step;
2780                                 }
2781                         }
2782
2783                         BLI_freelistN(&pidlist);
2784                 }
2785
2786                 /* the no-group proxy case, we call update */
2787                 if(ob->proxy && ob->proxy_group==NULL) {
2788                         /* set pointer in library proxy target, for copying, but restore it */
2789                         ob->proxy->proxy_from= ob;
2790                         // printf("call update, lib ob %s proxy %s\n", ob->proxy->id.name, ob->id.name);
2791                         object_handle_update(scene, ob->proxy);
2792                 }
2793         
2794                 ob->recalc &= ~OB_RECALC_ALL;
2795         }
2796
2797         /* the case when this is a group proxy, object_update is called in group.c */
2798         if(ob->proxy) {
2799                 ob->proxy->proxy_from= ob;
2800                 // printf("set proxy pointer for later group stuff %s\n", ob->id.name);
2801         }
2802 }
2803
2804 void object_sculpt_modifiers_changed(Object *ob)
2805 {
2806         SculptSession *ss= ob->sculpt;
2807
2808         if(!ss->cache) {
2809                 /* we free pbvh on changes, except during sculpt since it can't deal with
2810                    changing PVBH node organization, we hope topology does not change in
2811                    the meantime .. weak */
2812                 if(ss->pbvh) {
2813                                 BLI_pbvh_free(ss->pbvh);
2814                                 ss->pbvh= NULL;
2815                 }
2816
2817                 free_sculptsession_deformMats(ob->sculpt);
2818         } else {
2819                 PBVHNode **nodes;
2820                 int n, totnode;
2821
2822                 BLI_pbvh_search_gather(ss->pbvh, NULL, NULL, &nodes, &totnode);
2823
2824                 for(n = 0; n < totnode; n++)
2825                         BLI_pbvh_node_mark_update(nodes[n]);
2826
2827                 MEM_freeN(nodes);
2828         }
2829 }
2830
2831 float give_timeoffset(Object *ob)
2832 {
2833         if ((ob->ipoflag & OB_OFFS_PARENTADD) && ob->parent) {
2834                 return ob->sf + give_timeoffset(ob->parent);
2835         } else {
2836                 return ob->sf;
2837         }
2838 }
2839
2840 int give_obdata_texspace(Object *ob, short **texflag, float **loc, float **size, float **rot)
2841 {
2842         
2843         if (ob->data==NULL)
2844                 return 0;
2845         
2846         switch (GS(((ID *)ob->data)->name)) {
2847         case ID_ME:
2848         {
2849                 Mesh *me= ob->data;
2850                 if (texflag)    *texflag = &me->texflag;
2851                 if (loc)                *loc = me->loc;
2852                 if (size)               *size = me->size;
2853                 if (rot)                *rot = me->rot;
2854                 break;
2855         }
2856         case ID_CU:
2857         {
2858                 Curve *cu= ob->data;
2859                 if (texflag)    *texflag = &cu->texflag;
2860                 if (loc)                *loc = cu->loc;
2861                 if (size)               *size = cu->size;
2862                 if (rot)                *rot = cu->rot;
2863                 break;
2864         }
2865         case ID_MB:
2866         {
2867                 MetaBall *mb= ob->data;
2868                 if (texflag)    *texflag = &mb->texflag;
2869                 if (loc)                *loc = mb->loc;
2870                 if (size)               *size = mb->size;
2871                 if (rot)                *rot = mb->rot;
2872                 break;
2873         }
2874         default:
2875                 return 0;
2876         }
2877         return 1;
2878 }
2879
2880 /*
2881  * Test a bounding box for ray intersection
2882  * assumes the ray is already local to the boundbox space
2883  */
2884 int ray_hit_boundbox(struct BoundBox *bb, float ray_start[3], float ray_normal[3])
2885 {
2886         static int triangle_indexes[12][3] = {{0, 1, 2}, {0, 2, 3},
2887                                                                                   {3, 2, 6}, {3, 6, 7},
2888                                                                                   {1, 2, 6}, {1, 6, 5}, 
2889                                                                                   {5, 6, 7}, {4, 5, 7},
2890                                                                                   {0, 3, 7}, {0, 4, 7},
2891                                                                                   {0, 1, 5}, {0, 4, 5}};
2892         int result = 0;
2893         int i;
2894         
2895         for (i = 0; i < 12 && result == 0; i++)
2896         {
2897                 float lambda;
2898                 int v1, v2, v3;
2899                 v1 = triangle_indexes[i][0];
2900                 v2 = triangle_indexes[i][1];
2901                 v3 = triangle_indexes[i][2];
2902                 result = isect_ray_tri_v3(ray_start, ray_normal, bb->vec[v1], bb->vec[v2], bb->vec[v3], &lambda, NULL);
2903         }
2904         
2905         return result;
2906 }
2907
2908 static int pc_cmp(void *a, void *b)
2909 {
2910         LinkData *ad = a, *bd = b;
2911         if(GET_INT_FROM_POINTER(ad->data) > GET_INT_FROM_POINTER(bd->data))
2912                 return 1;
2913         else return 0;
2914 }
2915
2916 int object_insert_ptcache(Object *ob) 
2917 {
2918         LinkData *link = NULL;
2919         int i = 0;
2920
2921         BLI_sortlist(&ob->pc_ids, pc_cmp);
2922
2923         for(link=ob->pc_ids.first, i = 0; link; link=link->next, i++) 
2924         {
2925                 int index = GET_INT_FROM_POINTER(link->data);
2926
2927                 if(i < index)
2928                         break;
2929         }
2930
2931         link = MEM_callocN(sizeof(LinkData), "PCLink");
2932         link->data = SET_INT_IN_POINTER(i);
2933         BLI_addtail(&ob->pc_ids, link);
2934
2935         return i;
2936 }
2937
2938 void object_camera_mode(RenderData *rd, Object *camera)
2939 {
2940         rd->mode &= ~(R_ORTHO|R_PANORAMA);
2941         if(camera && camera->type==OB_CAMERA) {
2942                 Camera *cam= camera->data;
2943                 if(cam->type == CAM_ORTHO) rd->mode |= R_ORTHO;
2944                 if(cam->flag & CAM_PANORAMA) rd->mode |= R_PANORAMA;
2945         }
2946 }
2947
2948 /* 'lens' may be set for envmap only */
2949 void object_camera_matrix(
2950                 RenderData *rd, Object *camera, int winx, int winy, short field_second,
2951                 float winmat[][4], rctf *viewplane, float *clipsta, float *clipend, float *lens, float *ycor,
2952                 float *viewdx, float *viewdy
2953 ) {
2954         Camera *cam=NULL;
2955         float pixsize;
2956         float shiftx=0.0, shifty=0.0, winside, viewfac;
2957         short is_ortho= FALSE;
2958
2959         /* question mark */
2960         (*ycor)= rd->yasp / rd->xasp;
2961         if(rd->mode & R_FIELDS)
2962                 (*ycor) *= 2.0f;
2963
2964         if(camera->type==OB_CAMERA) {
2965                 cam= camera->data;
2966
2967                 if(cam->type == CAM_ORTHO) {
2968                         is_ortho= TRUE;
2969                 }
2970
2971                 /* solve this too... all time depending stuff is in convertblender.c?
2972                  * Need to update the camera early because it's used for projection matrices
2973                  * and other stuff BEFORE the animation update loop is done
2974                  * */
2975 #if 0 // XXX old animation system
2976                 if(cam->ipo) {
2977                         calc_ipo(cam->ipo, frame_to_float(re->scene, re->r.cfra));
2978                         execute_ipo(&cam->id, cam->ipo);
2979                 }
2980 #endif // XXX old animation system
2981                 shiftx=cam->shiftx;
2982                 shifty=cam->shifty;
2983                 (*lens)= cam->lens;
2984                 (*clipsta)= cam->clipsta;
2985                 (*clipend)= cam->clipend;
2986         }
2987         else if(camera->type==OB_LAMP) {
2988                 Lamp *la= camera->data;
2989                 float fac= cosf((float)M_PI*la->spotsize/360.0f);
2990                 float phi= acos(fac);
2991
2992                 (*lens)= 16.0f*fac/sinf(phi);
2993                 if((*lens)==0.0f)
2994                         (*lens)= 35.0f;
2995                 (*clipsta)= la->clipsta;
2996                 (*clipend)= la->clipend;
2997         }
2998         else {  /* envmap exception... */;
2999                 if((*lens)==0.0f)
3000                         (*lens)= 16.0f;
3001
3002                 if((*clipsta)==0.0f || (*clipend)==0.0f) {
3003                         (*clipsta)= 0.1f;
3004                         (*clipend)= 1000.0f;
3005                 }
3006         }
3007
3008         /* ortho only with camera available */
3009         if(cam && is_ortho) {
3010                 if(rd->xasp*winx >= rd->yasp*winy) {
3011                         viewfac= winx;
3012                 }
3013                 else {
3014                         viewfac= (*ycor) * winy;
3015                 }
3016                 /* ortho_scale == 1.0 means exact 1 to 1 mapping */
3017                 pixsize= cam->ortho_scale/viewfac;
3018         }
3019         else {
3020                 if(rd->xasp*winx >= rd->yasp*winy)      viewfac= ((*lens) * winx)/32.0f;
3021                 else                                                            viewfac= (*ycor) * ((*lens) * winy)/32.0f;
3022                 pixsize= (*clipsta) / viewfac;
3023         }
3024
3025         /* viewplane fully centered, zbuffer fills in jittered between -.5 and +.5 */
3026         winside= MAX2(winx, winy);
3027         viewplane->xmin= -0.5f*(float)winx + shiftx*winside;
3028         viewplane->ymin= -0.5f*(*ycor)*(float)winy + shifty*winside;
3029         viewplane->xmax=  0.5f*(float)winx + shiftx*winside;
3030         viewplane->ymax=  0.5f*(*ycor)*(float)winy + shifty*winside;
3031
3032         if(field_second) {
3033                 if(rd->mode & R_ODDFIELD) {
3034                         viewplane->ymin-= 0.5f * (*ycor);
3035                         viewplane->ymax-= 0.5f * (*ycor);
3036                 }
3037                 else {
3038                         viewplane->ymin+= 0.5f * (*ycor);
3039                         viewplane->ymax+= 0.5f * (*ycor);
3040                 }
3041         }
3042         /* the window matrix is used for clipping, and not changed during OSA steps */
3043         /* using an offset of +0.5 here would give clip errors on edges */
3044         viewplane->xmin *= pixsize;
3045         viewplane->xmax *= pixsize;
3046         viewplane->ymin *= pixsize;
3047         viewplane->ymax *= pixsize;
3048
3049         (*viewdx)= pixsize;
3050         (*viewdy)= (*ycor) * pixsize;
3051
3052         if(is_ortho)
3053                 orthographic_m4(winmat, viewplane->xmin, viewplane->xmax, viewplane->ymin, viewplane->ymax, *clipsta, *clipend);
3054         else
3055                 perspective_m4(winmat, viewplane->xmin, viewplane->xmax, viewplane->ymin, viewplane->ymax, *clipsta, *clipend);
3056
3057 }
3058
3059 void camera_view_frame_ex(Scene *scene, Camera *camera, float drawsize, const short do_clip, const float scale[3],
3060                           float r_asp[2], float r_shift[2], float *r_drawsize, float r_vec[4][3])
3061 {
3062         float facx, facy;
3063         float depth;
3064
3065         /* aspect correcton */
3066         if (scene) {
3067                 float aspx= (float) scene->r.xsch*scene->r.xasp;
3068                 float aspy= (float) scene->r.ysch*scene->r.yasp;
3069
3070                 if(aspx < aspy) {
3071                         r_asp[0]= aspx / aspy;
3072                         r_asp[1]= 1.0;
3073                 }
3074                 else {
3075                         r_asp[0]= 1.0;
3076                         r_asp[1]= aspy / aspx;
3077                 }
3078         }
3079         else {
3080                 r_asp[0]= 1.0f;
3081                 r_asp[1]= 1.0f;
3082         }
3083
3084         if(camera->type==CAM_ORTHO) {
3085                 facx= 0.5f * camera->ortho_scale * r_asp[0] * scale[0];
3086                 facy= 0.5f * camera->ortho_scale * r_asp[1] * scale[1];
3087                 r_shift[0]= camera->shiftx * camera->ortho_scale * scale[0];
3088                 r_shift[1]= camera->shifty * camera->ortho_scale * scale[1];
3089                 depth= do_clip ? -((camera->clipsta * scale[2]) + 0.1f) : - drawsize * camera->ortho_scale * scale[2];
3090
3091                 *r_drawsize= 0.5f * camera->ortho_scale;
3092         }
3093         else {
3094                 /* that way it's always visible - clipsta+0.1 */
3095                 float fac;
3096                 *r_drawsize= drawsize / ((scale[0] + scale[1] + scale[2]) / 3.0f);
3097
3098                 if(do_clip) {
3099                         /* fixed depth, variable size (avoids exceeding clipping range) */
3100                         depth = -(camera->clipsta + 0.1f);
3101                         fac = depth / (camera->lens/-16.0f * scale[2]);
3102                 }
3103                 else {
3104                         /* fixed size, variable depth (stays a reasonable size in the 3D view) */
3105                         depth= *r_drawsize * camera->lens/-16.0f * scale[2];
3106                         fac= *r_drawsize;
3107                 }
3108
3109                 facx= fac * r_asp[0] * scale[0];
3110                 facy= fac * r_asp[1] * scale[1];
3111                 r_shift[0]= camera->shiftx*fac*2 * scale[0];
3112                 r_shift[1]= camera->shifty*fac*2 * scale[1];
3113         }
3114
3115         r_vec[0][0]= r_shift[0] + facx; r_vec[0][1]= r_shift[1] + facy; r_vec[0][2]= depth;
3116         r_vec[1][0]= r_shift[0] + facx; r_vec[1][1]= r_shift[1] - facy; r_vec[1][2]= depth;
3117         r_vec[2][0]= r_shift[0] - facx; r_vec[2][1]= r_shift[1] - facy; r_vec[2][2]= depth;
3118         r_vec[3][0]= r_shift[0] - facx; r_vec[3][1]= r_shift[1] + facy; r_vec[3][2]= depth;
3119 }
3120
3121 void camera_view_frame(Scene *scene, Camera *camera, float r_vec[4][3])
3122 {
3123         float dummy_asp[2];
3124         float dummy_shift[2];
3125         float dummy_drawsize;
3126         const float dummy_scale[3]= {1.0f, 1.0f, 1.0f};
3127
3128         camera_view_frame_ex(scene, camera, FALSE, 1.0, dummy_scale,
3129                              dummy_asp, dummy_shift, &dummy_drawsize, r_vec);
3130 }
3131
3132 #if 0
3133 static int pc_findindex(ListBase *listbase, int index)
3134 {
3135         LinkData *link= NULL;
3136         int number= 0;
3137         
3138         if (listbase == NULL) return -1;