svn merge -r37276:38555 https://svn.blender.org/svnroot/bf-blender/trunk/blender .
[blender.git] / source / blender / blenkernel / intern / object.c
1 /* object.c
2  *
3  * 
4  * $Id$
5  *
6  * ***** BEGIN GPL LICENSE BLOCK *****
7  *
8  * This program is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU General Public License
10  * as published by the Free Software Foundation; either version 2
11  * of the License, or (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program; if not, write to the Free Software Foundation,
20  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
21  *
22  * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
23  * All rights reserved.
24  *
25  * The Original Code is: all of this file.
26  *
27  * Contributor(s): none yet.
28  *
29  * ***** END GPL LICENSE BLOCK *****
30  */
31
32 /** \file blender/blenkernel/intern/object.c
33  *  \ingroup bke
34  */
35
36
37 #include <string.h>
38 #include <math.h>
39 #include <stdio.h>                      
40
41 #include "MEM_guardedalloc.h"
42
43 #include "DNA_anim_types.h"
44 #include "DNA_armature_types.h"
45 #include "DNA_camera_types.h"
46 #include "DNA_constraint_types.h"
47 #include "DNA_group_types.h"
48 #include "DNA_key_types.h"
49 #include "DNA_lamp_types.h"
50 #include "DNA_lattice_types.h"
51 #include "DNA_material_types.h"
52 #include "DNA_meta_types.h"
53 #include "DNA_meshdata_types.h"
54 #include "DNA_scene_types.h"
55 #include "DNA_screen_types.h"
56 #include "DNA_sequence_types.h"
57 #include "DNA_space_types.h"
58 #include "DNA_view3d_types.h"
59 #include "DNA_world_types.h"
60
61 #include "BLI_blenlib.h"
62 #include "BLI_editVert.h"
63 #include "BLI_math.h"
64 #include "BLI_pbvh.h"
65 #include "BLI_utildefines.h"
66
67 #include "BKE_main.h"
68 #include "BKE_global.h"
69 #include "BKE_idprop.h"
70 #include "BKE_armature.h"
71 #include "BKE_action.h"
72 #include "BKE_bullet.h"
73 #include "BKE_colortools.h"
74 #include "BKE_deform.h"
75 #include "BKE_DerivedMesh.h"
76 #include "BKE_animsys.h"
77 #include "BKE_anim.h"
78 #include "BKE_constraint.h"
79 #include "BKE_curve.h"
80 #include "BKE_displist.h"
81 #include "BKE_effect.h"
82 #include "BKE_fcurve.h"
83 #include "BKE_group.h"
84 #include "BKE_icons.h"
85 #include "BKE_key.h"
86 #include "BKE_lattice.h"
87 #include "BKE_library.h"
88 #include "BKE_mesh.h"
89 #include "BKE_mball.h"
90 #include "BKE_modifier.h"
91 #include "BKE_object.h"
92 #include "BKE_paint.h"
93 #include "BKE_particle.h"
94 #include "BKE_pointcache.h"
95 #include "BKE_property.h"
96 #include "BKE_sca.h"
97 #include "BKE_scene.h"
98 #include "BKE_sequencer.h"
99 #include "BKE_softbody.h"
100 #include "BKE_material.h"
101
102 #include "LBM_fluidsim.h"
103
104 #ifdef WITH_PYTHON
105 #include "BPY_extern.h"
106 #endif
107
108 #include "GPU_material.h"
109
110 /* Local function protos */
111 static void solve_parenting (Scene *scene, Object *ob, Object *par, float obmat[][4], float slowmat[][4], int simul);
112
113 float originmat[3][3];  /* after where_is_object(), can be used in other functions (bad!) */
114
115 void clear_workob(Object *workob)
116 {
117         memset(workob, 0, sizeof(Object));
118         
119         workob->size[0]= workob->size[1]= workob->size[2]= 1.0f;
120         workob->rotmode= ROT_MODE_EUL;
121 }
122
123 void copy_baseflags(struct Scene *scene)
124 {
125         Base *base= scene->base.first;
126         
127         while(base) {
128                 base->object->flag= base->flag;
129                 base= base->next;
130         }
131 }
132
133 void copy_objectflags(struct Scene *scene)
134 {
135         Base *base= scene->base.first;
136         
137         while(base) {
138                 base->flag= base->object->flag;
139                 base= base->next;
140         }
141 }
142
143 void update_base_layer(struct Scene *scene, Object *ob)
144 {
145         Base *base= scene->base.first;
146
147         while (base) {
148                 if (base->object == ob) base->lay= ob->lay;
149                 base= base->next;
150         }
151 }
152
153 void object_free_particlesystems(Object *ob)
154 {
155         while(ob->particlesystem.first){
156                 ParticleSystem *psys = ob->particlesystem.first;
157                 
158                 BLI_remlink(&ob->particlesystem,psys);
159                 
160                 psys_free(ob,psys);
161         }
162 }
163
164 void object_free_softbody(Object *ob)
165 {
166         if(ob->soft) {
167                 sbFree(ob->soft);
168                 ob->soft= NULL;
169         }
170 }
171
172 void object_free_bulletsoftbody(Object *ob)
173 {
174         if(ob->bsoft) {
175                 bsbFree(ob->bsoft);
176                 ob->bsoft= NULL;
177         }
178 }
179
180 void object_free_modifiers(Object *ob)
181 {
182         while (ob->modifiers.first) {
183                 ModifierData *md = ob->modifiers.first;
184                 
185                 BLI_remlink(&ob->modifiers, md);
186                 
187                 modifier_free(md);
188         }
189
190         /* particle modifiers were freed, so free the particlesystems as well */
191         object_free_particlesystems(ob);
192
193         /* same for softbody */
194         object_free_softbody(ob);
195 }
196
197 void object_link_modifiers(struct Object *ob, struct Object *from)
198 {
199         ModifierData *md;
200         object_free_modifiers(ob);
201
202         for (md=from->modifiers.first; md; md=md->next) {
203                 ModifierData *nmd = NULL;
204
205                 if(ELEM4(md->type, eModifierType_Hook, eModifierType_Softbody, eModifierType_ParticleInstance, eModifierType_Collision)) continue;
206
207                 nmd = modifier_new(md->type);
208                 modifier_copyData(md, nmd);
209                 BLI_addtail(&ob->modifiers, nmd);
210         }
211
212         copy_object_particlesystems(ob, from);
213         copy_object_softbody(ob, from);
214
215         // TODO: smoke?, cloth?
216 }
217
218 /* here we will collect all local displist stuff */
219 /* also (ab)used in depsgraph */
220 void object_free_display(Object *ob)
221 {
222         if(ob->derivedDeform) {
223                 ob->derivedDeform->needsFree = 1;
224                 ob->derivedDeform->release(ob->derivedDeform);
225                 ob->derivedDeform= NULL;
226         }
227         if(ob->derivedFinal) {
228                 ob->derivedFinal->needsFree = 1;
229                 ob->derivedFinal->release(ob->derivedFinal);
230                 ob->derivedFinal= NULL;
231         }
232         
233         freedisplist(&ob->disp);
234 }
235
236 void free_sculptsession(Object *ob)
237 {
238         if(ob && ob->sculpt) {
239                 SculptSession *ss = ob->sculpt;
240                 DerivedMesh *dm= ob->derivedFinal;
241
242                 if(ss->pbvh)
243                         BLI_pbvh_free(ss->pbvh);
244                 if(dm && dm->getPBVH)
245                         dm->getPBVH(NULL, dm); /* signal to clear */
246
247                 if(ss->texcache)
248                         MEM_freeN(ss->texcache);
249
250                 if(ss->layer_co)
251                         MEM_freeN(ss->layer_co);
252
253                 if(ss->orig_cos)
254                         MEM_freeN(ss->orig_cos);
255                 if(ss->deform_cos)
256                         MEM_freeN(ss->deform_cos);
257                 if(ss->deform_imats)
258                         MEM_freeN(ss->deform_imats);
259
260                 MEM_freeN(ss);
261
262                 ob->sculpt = NULL;
263         }
264 }
265
266 /* do not free object itself */
267 void free_object(Object *ob)
268 {
269         int a;
270         
271         object_free_display(ob);
272         
273         /* disconnect specific data */
274         if(ob->data) {
275                 ID *id= ob->data;
276                 id->us--;
277                 if(id->us==0) {
278                         if(ob->type==OB_MESH) unlink_mesh(ob->data);
279                         else if(ob->type==OB_CURVE) unlink_curve(ob->data);
280                         else if(ob->type==OB_MBALL) unlink_mball(ob->data);
281                 }
282                 ob->data= NULL;
283         }
284         
285         for(a=0; a<ob->totcol; a++) {
286                 if(ob->mat[a]) ob->mat[a]->id.us--;
287         }
288         if(ob->mat) MEM_freeN(ob->mat);
289         if(ob->matbits) MEM_freeN(ob->matbits);
290         ob->mat= NULL;
291         ob->matbits= NULL;
292         if(ob->bb) MEM_freeN(ob->bb); 
293         ob->bb= NULL;
294         if(ob->path) free_path(ob->path); 
295         ob->path= NULL;
296         if(ob->adt) BKE_free_animdata((ID *)ob);
297         if(ob->poselib) ob->poselib->id.us--;
298         if(ob->gpd) ((ID *)ob->gpd)->us--;
299         if(ob->defbase.first)
300                 BLI_freelistN(&ob->defbase);
301         if(ob->pose)
302                 free_pose(ob->pose);
303         if(ob->mpath)
304                 animviz_free_motionpath(ob->mpath);
305         free_properties(&ob->prop);
306         object_free_modifiers(ob);
307         
308         free_sensors(&ob->sensors);
309         free_controllers(&ob->controllers);
310         free_actuators(&ob->actuators);
311         
312         free_constraints(&ob->constraints);
313         
314         free_partdeflect(ob->pd);
315
316         if(ob->soft) sbFree(ob->soft);
317         if(ob->bsoft) bsbFree(ob->bsoft);
318         if(ob->gpulamp.first) GPU_lamp_free(ob);
319
320         free_sculptsession(ob);
321
322         if(ob->pc_ids.first) BLI_freelistN(&ob->pc_ids);
323 }
324
325 static void unlink_object__unlinkModifierLinks(void *userData, Object *ob, Object **obpoin)
326 {
327         Object *unlinkOb = userData;
328
329         if (*obpoin==unlinkOb) {
330                 *obpoin = NULL;
331                 ob->recalc |= OB_RECALC_OB|OB_RECALC_DATA|OB_RECALC_TIME; // XXX: should this just be OB_RECALC_DATA?
332         }
333 }
334
335 void unlink_object(Object *ob)
336 {
337         Main *bmain= G.main;
338         Object *obt;
339         Material *mat;
340         World *wrld;
341         bScreen *sc;
342         Scene *sce;
343         Curve *cu;
344         Tex *tex;
345         Group *group;
346         Camera *camera;
347         bConstraint *con;
348         //bActionStrip *strip; // XXX animsys 
349         ModifierData *md;
350         ARegion *ar;
351         RegionView3D *rv3d;
352         int a, found;
353         
354         unlink_controllers(&ob->controllers);
355         unlink_actuators(&ob->actuators);
356         
357         /* check all objects: parents en bevels and fields, also from libraries */
358         // FIXME: need to check all animation blocks (drivers)
359         obt= bmain->object.first;
360         while(obt) {
361                 if(obt->proxy==ob)
362                         obt->proxy= NULL;
363                 if(obt->proxy_from==ob) {
364                         obt->proxy_from= NULL;
365                         obt->recalc |= OB_RECALC_OB;
366                 }
367                 if(obt->proxy_group==ob)
368                         obt->proxy_group= NULL;
369                 
370                 if(obt->parent==ob) {
371                         obt->parent= NULL;
372                         obt->recalc |= OB_RECALC_OB|OB_RECALC_DATA|OB_RECALC_TIME;
373                 }
374                 
375                 modifiers_foreachObjectLink(obt, unlink_object__unlinkModifierLinks, ob);
376                 
377                 if ELEM(obt->type, OB_CURVE, OB_FONT) {
378                         cu= obt->data;
379
380                         if(cu->bevobj==ob) {
381                                 cu->bevobj= NULL;
382                                 obt->recalc |= OB_RECALC_OB|OB_RECALC_DATA|OB_RECALC_TIME;
383                         }
384                         if(cu->taperobj==ob) {
385                                 cu->taperobj= NULL;
386                                 obt->recalc |= OB_RECALC_OB|OB_RECALC_DATA|OB_RECALC_TIME;
387                         }
388                         if(cu->textoncurve==ob) {
389                                 cu->textoncurve= NULL;
390                                 obt->recalc |= OB_RECALC_OB|OB_RECALC_DATA|OB_RECALC_TIME;
391                         }
392                 }
393                 else if(obt->type==OB_ARMATURE && obt->pose) {
394                         bPoseChannel *pchan;
395                         for(pchan= obt->pose->chanbase.first; pchan; pchan= pchan->next) {
396                                 for (con = pchan->constraints.first; con; con=con->next) {
397                                         bConstraintTypeInfo *cti= constraint_get_typeinfo(con);
398                                         ListBase targets = {NULL, NULL};
399                                         bConstraintTarget *ct;
400                                         
401                                         if (cti && cti->get_constraint_targets) {
402                                                 cti->get_constraint_targets(con, &targets);
403                                                 
404                                                 for (ct= targets.first; ct; ct= ct->next) {
405                                                         if (ct->tar == ob) {
406                                                                 ct->tar = NULL;
407                                                                 strcpy(ct->subtarget, "");
408                                                                 obt->recalc |= OB_RECALC_DATA;
409                                                         }
410                                                 }
411                                                 
412                                                 if (cti->flush_constraint_targets)
413                                                         cti->flush_constraint_targets(con, &targets, 0);
414                                         }
415                                 }
416                                 if(pchan->custom==ob)
417                                         pchan->custom= NULL;
418                         }
419                 } else if(ELEM(OB_MBALL, ob->type, obt->type)) {
420                         if(is_mball_basis_for(obt, ob))
421                                 obt->recalc|= OB_RECALC_DATA;
422                 }
423                 
424                 sca_remove_ob_poin(obt, ob);
425                 
426                 for (con = obt->constraints.first; con; con=con->next) {
427                         bConstraintTypeInfo *cti= constraint_get_typeinfo(con);
428                         ListBase targets = {NULL, NULL};
429                         bConstraintTarget *ct;
430                         
431                         if (cti && cti->get_constraint_targets) {
432                                 cti->get_constraint_targets(con, &targets);
433                                 
434                                 for (ct= targets.first; ct; ct= ct->next) {
435                                         if (ct->tar == ob) {
436                                                 ct->tar = NULL;
437                                                 strcpy(ct->subtarget, "");
438                                                 obt->recalc |= OB_RECALC_DATA;
439                                         }
440                                 }
441                                 
442                                 if (cti->flush_constraint_targets)
443                                         cti->flush_constraint_targets(con, &targets, 0);
444                         }
445                 }
446                 
447                 /* object is deflector or field */
448                 if(ob->pd) {
449                         if(obt->soft)
450                                 obt->recalc |= OB_RECALC_DATA;
451
452                         /* cloth */
453                         for(md=obt->modifiers.first; md; md=md->next)
454                                 if(md->type == eModifierType_Cloth)
455                                         obt->recalc |= OB_RECALC_DATA;
456                 }
457                 
458                 /* strips */
459 #if 0 // XXX old animation system
460                 for(strip= obt->nlastrips.first; strip; strip= strip->next) {
461                         if(strip->object==ob)
462                                 strip->object= NULL;
463                         
464                         if(strip->modifiers.first) {
465                                 bActionModifier *amod;
466                                 for(amod= strip->modifiers.first; amod; amod= amod->next)
467                                         if(amod->ob==ob)
468                                                 amod->ob= NULL;
469                         }
470                 }
471 #endif // XXX old animation system
472
473                 /* particle systems */
474                 if(obt->particlesystem.first) {
475                         ParticleSystem *tpsys= obt->particlesystem.first;
476                         for(; tpsys; tpsys=tpsys->next) {
477                                 BoidState *state = NULL;
478                                 BoidRule *rule = NULL;
479
480                                 ParticleTarget *pt = tpsys->targets.first;
481                                 for(; pt; pt=pt->next) {
482                                         if(pt->ob==ob) {
483                                                 pt->ob = NULL;
484                                                 obt->recalc |= OB_RECALC_DATA;
485                                                 break;
486                                         }
487                                 }
488
489                                 if(tpsys->target_ob==ob) {
490                                         tpsys->target_ob= NULL;
491                                         obt->recalc |= OB_RECALC_DATA;
492                                 }
493
494                                 if(tpsys->part->dup_ob==ob)
495                                         tpsys->part->dup_ob= NULL;
496
497                                 if(tpsys->part->phystype==PART_PHYS_BOIDS) {
498                                         ParticleData *pa;
499                                         BoidParticle *bpa;
500                                         int p;
501
502                                         for(p=0,pa=tpsys->particles; p<tpsys->totpart; p++,pa++) {
503                                                 bpa = pa->boid;
504                                                 if(bpa->ground == ob)
505                                                         bpa->ground = NULL;
506                                         }
507                                 }
508                                 if(tpsys->part->boids) {
509                                         for(state = tpsys->part->boids->states.first; state; state=state->next) {
510                                                 for(rule = state->rules.first; rule; rule=rule->next) {
511                                                         if(rule->type==eBoidRuleType_Avoid) {
512                                                                 BoidRuleGoalAvoid *gabr = (BoidRuleGoalAvoid*)rule;
513                                                                 if(gabr->ob==ob)
514                                                                         gabr->ob= NULL;
515                                                         }
516                                                         else if(rule->type==eBoidRuleType_FollowLeader) {
517                                                                 BoidRuleFollowLeader *flbr = (BoidRuleFollowLeader*)rule;
518                                                                 if(flbr->ob==ob)
519                                                                         flbr->ob= NULL;
520                                                         }
521                                                 }
522                                         }
523                                 }
524                         }
525                         if(ob->pd)
526                                 obt->recalc |= OB_RECALC_DATA;
527                 }
528
529                 obt= obt->id.next;
530         }
531         
532         /* materials */
533         mat= bmain->mat.first;
534         while(mat) {
535         
536                 for(a=0; a<MAX_MTEX; a++) {
537                         if(mat->mtex[a] && ob==mat->mtex[a]->object) {
538                                 /* actually, test for lib here... to do */
539                                 mat->mtex[a]->object= NULL;
540                         }
541                 }
542
543                 mat= mat->id.next;
544         }
545         
546         /* textures */
547         for(tex= bmain->tex.first; tex; tex= tex->id.next) {
548                 if(tex->env && (ob==tex->env->object)) tex->env->object= NULL;
549                 if(tex->pd  && (ob==tex->pd->object))  tex->pd->object= NULL;
550                 if(tex->vd  && (ob==tex->vd->object))  tex->vd->object= NULL;
551         }
552
553         /* worlds */
554         wrld= bmain->world.first;
555         while(wrld) {
556                 if(wrld->id.lib==NULL) {
557                         for(a=0; a<MAX_MTEX; a++) {
558                                 if(wrld->mtex[a] && ob==wrld->mtex[a]->object)
559                                         wrld->mtex[a]->object= NULL;
560                         }
561                 }
562                 
563                 wrld= wrld->id.next;
564         }
565                 
566         /* scenes */
567         sce= bmain->scene.first;
568         while(sce) {
569                 if(sce->id.lib==NULL) {
570                         if(sce->camera==ob) sce->camera= NULL;
571                         if(sce->toolsettings->skgen_template==ob) sce->toolsettings->skgen_template = NULL;
572                         if(sce->toolsettings->particle.object==ob) sce->toolsettings->particle.object= NULL;
573
574 #ifdef DURIAN_CAMERA_SWITCH
575                         {
576                                 TimeMarker *m;
577
578                                 for (m= sce->markers.first; m; m= m->next) {
579                                         if(m->camera==ob)
580                                                 m->camera= NULL;
581                                 }
582                         }
583 #endif
584                         if(sce->ed) {
585                                 Sequence *seq;
586                                 SEQ_BEGIN(sce->ed, seq)
587                                         if(seq->scene_camera==ob) {
588                                                 seq->scene_camera= NULL;
589                                         }
590                                 SEQ_END
591                         }
592                 }
593
594                 sce= sce->id.next;
595         }
596         
597 #if 0 // XXX old animation system
598         /* ipos */
599         ipo= bmain->ipo.first;
600         while(ipo) {
601                 if(ipo->id.lib==NULL) {
602                         IpoCurve *icu;
603                         for(icu= ipo->curve.first; icu; icu= icu->next) {
604                                 if(icu->driver && icu->driver->ob==ob)
605                                         icu->driver->ob= NULL;
606                         }
607                 }
608                 ipo= ipo->id.next;
609         }
610 #endif // XXX old animation system
611         
612         /* screens */
613         sc= bmain->screen.first;
614         while(sc) {
615                 ScrArea *sa= sc->areabase.first;
616                 while(sa) {
617                         SpaceLink *sl;
618
619                         for (sl= sa->spacedata.first; sl; sl= sl->next) {
620                                 if(sl->spacetype==SPACE_VIEW3D) {
621                                         View3D *v3d= (View3D*) sl;
622
623                                         found= 0;
624                                         if(v3d->camera==ob) {
625                                                 v3d->camera= NULL;
626                                                 found= 1;
627                                         }
628                                         if(v3d->localvd && v3d->localvd->camera==ob ) {
629                                                 v3d->localvd->camera= NULL;
630                                                 found += 2;
631                                         }
632
633                                         if (found) {
634                                                 if (sa->spacetype == SPACE_VIEW3D) {
635                                                         for (ar= sa->regionbase.first; ar; ar= ar->next) {
636                                                                 if (ar->regiontype==RGN_TYPE_WINDOW) {
637                                                                         rv3d= (RegionView3D *)ar->regiondata;
638                                                                         if (found == 1 || found == 3) {
639                                                                                 if (rv3d->persp == RV3D_CAMOB)
640                                                                                         rv3d->persp= RV3D_PERSP;
641                                                                         }
642                                                                         if (found == 2 || found == 3) {
643                                                                                 if (rv3d->localvd && rv3d->localvd->persp == RV3D_CAMOB)
644                                                                                         rv3d->localvd->persp= RV3D_PERSP;
645                                                                         }
646                                                                 }
647                                                         }
648                                                 }
649                                         }
650                                 }
651                                 else if(sl->spacetype==SPACE_OUTLINER) {
652                                         SpaceOops *so= (SpaceOops *)sl;
653
654                                         if(so->treestore) {
655                                                 TreeStoreElem *tselem= so->treestore->data;
656                                                 int a;
657                                                 for(a=0; a<so->treestore->usedelem; a++, tselem++) {
658                                                         if(tselem->id==(ID *)ob) tselem->id= NULL;
659                                                 }
660                                         }
661                                 }
662                                 else if(sl->spacetype==SPACE_BUTS) {
663                                         SpaceButs *sbuts= (SpaceButs *)sl;
664
665                                         if(sbuts->pinid==(ID *)ob) {
666                                                 sbuts->flag&= ~SB_PIN_CONTEXT;
667                                                 sbuts->pinid= NULL;
668                                         }
669                                 }
670                         }
671
672                         sa= sa->next;
673                 }
674                 sc= sc->id.next;
675         }
676
677         /* groups */
678         group= bmain->group.first;
679         while(group) {
680                 rem_from_group(group, ob, NULL, NULL);
681                 group= group->id.next;
682         }
683         
684         /* cameras */
685         camera= bmain->camera.first;
686         while(camera) {
687                 if (camera->dof_ob==ob) {
688                         camera->dof_ob = NULL;
689                 }
690                 camera= camera->id.next;
691         }
692 }
693
694 int exist_object(Object *obtest)
695 {
696         Object *ob;
697         
698         if(obtest==NULL) return 0;
699         
700         ob= G.main->object.first;
701         while(ob) {
702                 if(ob==obtest) return 1;
703                 ob= ob->id.next;
704         }
705         return 0;
706 }
707
708 void *add_camera(const char *name)
709 {
710         Camera *cam;
711         
712         cam=  alloc_libblock(&G.main->camera, ID_CA, name);
713
714         cam->lens= 35.0f;
715         cam->clipsta= 0.1f;
716         cam->clipend= 100.0f;
717         cam->drawsize= 0.5f;
718         cam->ortho_scale= 6.0;
719         cam->flag |= CAM_SHOWPASSEPARTOUT;
720         cam->passepartalpha = 0.5f;
721         
722         return cam;
723 }
724
725 Camera *copy_camera(Camera *cam)
726 {
727         Camera *camn;
728         
729         camn= copy_libblock(cam);
730         
731         return camn;
732 }
733
734
735
736 void make_local_camera(Camera *cam)
737 {
738         Main *bmain= G.main;
739         Object *ob;
740         int local=0, lib=0;
741
742         /* - only lib users: do nothing
743          * - only local users: set flag
744          * - mixed: make copy
745          */
746         
747         if(cam->id.lib==NULL) return;
748         if(cam->id.us==1) {
749                 cam->id.lib= NULL;
750                 cam->id.flag= LIB_LOCAL;
751                 new_id(&bmain->camera, (ID *)cam, NULL);
752                 return;
753         }
754         
755         for(ob= bmain->object.first; ob && ELEM(0, lib, local); ob= ob->id.next) {
756                 if(ob->data==cam) {
757                         if(ob->id.lib) lib= 1;
758                         else local= 1;
759                 }
760         }
761         
762         if(local && lib==0) {
763                 cam->id.lib= NULL;
764                 cam->id.flag= LIB_LOCAL;
765                 new_id(&bmain->camera, (ID *)cam, NULL);
766         }
767         else if(local && lib) {
768                 Camera *camn= copy_camera(cam);
769                 camn->id.us= 0;
770                 
771                 for(ob= bmain->object.first; ob; ob= ob->id.next) {
772                         if(ob->data == cam) {
773                                 if(ob->id.lib==NULL) {
774                                         ob->data= camn;
775                                         camn->id.us++;
776                                         cam->id.us--;
777                                 }
778                         }
779                 }
780         }
781 }
782
783 /* get the camera's dof value, takes the dof object into account */
784 float dof_camera(Object *ob)
785 {
786         Camera *cam = (Camera *)ob->data; 
787         if (ob->type != OB_CAMERA)
788                 return 0.0f;
789         if (cam->dof_ob) {      
790                 /* too simple, better to return the distance on the view axis only
791                  * return len_v3v3(ob->obmat[3], cam->dof_ob->obmat[3]); */
792                 float mat[4][4], imat[4][4], obmat[4][4];
793                 
794                 copy_m4_m4(obmat, ob->obmat);
795                 normalize_m4(obmat);
796                 invert_m4_m4(imat, obmat);
797                 mul_m4_m4m4(mat, cam->dof_ob->obmat, imat);
798                 return (float)fabs(mat[3][2]);
799         }
800         return cam->YF_dofdist;
801 }
802
803 void *add_lamp(const char *name)
804 {
805         Lamp *la;
806         
807         la=  alloc_libblock(&G.main->lamp, ID_LA, name);
808         
809         la->r= la->g= la->b= la->k= 1.0f;
810         la->haint= la->energy= 1.0f;
811         la->dist= 25.0f;
812         la->spotsize= 45.0f;
813         la->spotblend= 0.15f;
814         la->att2= 1.0f;
815         la->mode= LA_SHAD_BUF;
816         la->bufsize= 512;
817         la->clipsta= 0.5f;
818         la->clipend= 40.0f;
819         la->shadspotsize= 45.0f;
820         la->samp= 3;
821         la->bias= 1.0f;
822         la->soft= 3.0f;
823         la->compressthresh= 0.05f;
824         la->ray_samp= la->ray_sampy= la->ray_sampz= 1; 
825         la->area_size=la->area_sizey=la->area_sizez= 1.0f; 
826         la->buffers= 1;
827         la->buftype= LA_SHADBUF_HALFWAY;
828         la->ray_samp_method = LA_SAMP_HALTON;
829         la->adapt_thresh = 0.001f;
830         la->preview=NULL;
831         la->falloff_type = LA_FALLOFF_INVSQUARE;
832         la->curfalloff = curvemapping_add(1, 0.0f, 1.0f, 1.0f, 0.0f);
833         la->sun_effect_type = 0;
834         la->horizon_brightness = 1.0;
835         la->spread = 1.0;
836         la->sun_brightness = 1.0;
837         la->sun_size = 1.0;
838         la->backscattered_light = 1.0f;
839         la->atm_turbidity = 2.0f;
840         la->atm_inscattering_factor = 1.0f;
841         la->atm_extinction_factor = 1.0f;
842         la->atm_distance_factor = 1.0f;
843         la->sun_intensity = 1.0f;
844         la->skyblendtype= MA_RAMP_ADD;
845         la->skyblendfac= 1.0f;
846         la->sky_colorspace= BLI_XYZ_CIE;
847         la->sky_exposure= 1.0f;
848         
849         curvemapping_initialize(la->curfalloff);
850         return la;
851 }
852
853 Lamp *copy_lamp(Lamp *la)
854 {
855         Lamp *lan;
856         int a;
857         
858         lan= copy_libblock(la);
859
860         for(a=0; a<MAX_MTEX; a++) {
861                 if(lan->mtex[a]) {
862                         lan->mtex[a]= MEM_mallocN(sizeof(MTex), "copylamptex");
863                         memcpy(lan->mtex[a], la->mtex[a], sizeof(MTex));
864                         id_us_plus((ID *)lan->mtex[a]->tex);
865                 }
866         }
867         
868         lan->curfalloff = curvemapping_copy(la->curfalloff);
869         
870         if(la->preview)
871                 lan->preview = BKE_previewimg_copy(la->preview);
872         
873         return lan;
874 }
875
876 Lamp *localize_lamp(Lamp *la)
877 {
878         Lamp *lan;
879         int a;
880         
881         lan= copy_libblock(la);
882         BLI_remlink(&G.main->lamp, lan);
883
884         for(a=0; a<MAX_MTEX; a++) {
885                 if(lan->mtex[a]) {
886                         lan->mtex[a]= MEM_mallocN(sizeof(MTex), "localize_lamp");
887                         memcpy(lan->mtex[a], la->mtex[a], sizeof(MTex));
888                         /* free lamp decrements */
889                         id_us_plus((ID *)lan->mtex[a]->tex);
890                 }
891         }
892         
893         lan->curfalloff = curvemapping_copy(la->curfalloff);
894
895         lan->preview= NULL;
896         
897         return lan;
898 }
899
900 void make_local_lamp(Lamp *la)
901 {
902         Main *bmain= G.main;
903         Object *ob;
904         Lamp *lan;
905         int local=0, lib=0;
906
907         /* - only lib users: do nothing
908                 * - only local users: set flag
909                 * - mixed: make copy
910                 */
911         
912         if(la->id.lib==NULL) return;
913         if(la->id.us==1) {
914                 la->id.lib= NULL;
915                 la->id.flag= LIB_LOCAL;
916                 new_id(&bmain->lamp, (ID *)la, NULL);
917                 return;
918         }
919         
920         ob= bmain->object.first;
921         while(ob) {
922                 if(ob->data==la) {
923                         if(ob->id.lib) lib= 1;
924                         else local= 1;
925                 }
926                 ob= ob->id.next;
927         }
928         
929         if(local && lib==0) {
930                 la->id.lib= NULL;
931                 la->id.flag= LIB_LOCAL;
932                 new_id(&bmain->lamp, (ID *)la, NULL);
933         }
934         else if(local && lib) {
935                 lan= copy_lamp(la);
936                 lan->id.us= 0;
937                 
938                 ob= bmain->object.first;
939                 while(ob) {
940                         if(ob->data==la) {
941                                 
942                                 if(ob->id.lib==NULL) {
943                                         ob->data= lan;
944                                         lan->id.us++;
945                                         la->id.us--;
946                                 }
947                         }
948                         ob= ob->id.next;
949                 }
950         }
951 }
952
953 void free_camera(Camera *ca)
954 {
955         BKE_free_animdata((ID *)ca);
956 }
957
958 void free_lamp(Lamp *la)
959 {
960         MTex *mtex;
961         int a;
962
963         for(a=0; a<MAX_MTEX; a++) {
964                 mtex= la->mtex[a];
965                 if(mtex && mtex->tex) mtex->tex->id.us--;
966                 if(mtex) MEM_freeN(mtex);
967         }
968         
969         BKE_free_animdata((ID *)la);
970
971         curvemapping_free(la->curfalloff);
972         
973         BKE_previewimg_free(&la->preview);
974         BKE_icon_delete(&la->id);
975         la->id.icon_id = 0;
976 }
977
978 /* *************************************************** */
979
980 static void *add_obdata_from_type(int type)
981 {
982         switch (type) {
983         case OB_MESH: return add_mesh("Mesh");
984         case OB_CURVE: return add_curve("Curve", OB_CURVE);
985         case OB_SURF: return add_curve("Surf", OB_SURF);
986         case OB_FONT: return add_curve("Text", OB_FONT);
987         case OB_MBALL: return add_mball("Meta");
988         case OB_CAMERA: return add_camera("Camera");
989         case OB_LAMP: return add_lamp("Lamp");
990         case OB_LATTICE: return add_lattice("Lattice");
991         case OB_ARMATURE: return add_armature("Armature");
992         case OB_EMPTY: return NULL;
993         default:
994                 printf("add_obdata_from_type: Internal error, bad type: %d\n", type);
995                 return NULL;
996         }
997 }
998
999 static const char *get_obdata_defname(int type)
1000 {
1001         switch (type) {
1002         case OB_MESH: return "Mesh";
1003         case OB_CURVE: return "Curve";
1004         case OB_SURF: return "Surf";
1005         case OB_FONT: return "Text";
1006         case OB_MBALL: return "Mball";
1007         case OB_CAMERA: return "Camera";
1008         case OB_LAMP: return "Lamp";
1009         case OB_LATTICE: return "Lattice";
1010         case OB_ARMATURE: return "Armature";
1011         case OB_EMPTY: return "Empty";
1012         default:
1013                 printf("get_obdata_defname: Internal error, bad type: %d\n", type);
1014                 return "Empty";
1015         }
1016 }
1017
1018 /* more general add: creates minimum required data, but without vertices etc. */
1019 Object *add_only_object(int type, const char *name)
1020 {
1021         Object *ob;
1022
1023         ob= alloc_libblock(&G.main->object, ID_OB, name);
1024
1025         /* default object vars */
1026         ob->type= type;
1027         
1028         ob->col[0]= ob->col[1]= ob->col[2]= 1.0;
1029         ob->col[3]= 1.0;
1030         
1031         ob->size[0]= ob->size[1]= ob->size[2]= 1.0;
1032         
1033         /* objects should default to having Euler XYZ rotations, 
1034          * but rotations default to quaternions 
1035          */
1036         ob->rotmode= ROT_MODE_EUL;
1037
1038         unit_axis_angle(ob->rotAxis, &ob->rotAngle);
1039         unit_axis_angle(ob->drotAxis, &ob->drotAngle);
1040
1041         unit_qt(ob->quat);
1042         unit_qt(ob->dquat);
1043
1044         /* rotation locks should be 4D for 4 component rotations by default... */
1045         ob->protectflag = OB_LOCK_ROT4D;
1046         
1047         unit_m4(ob->constinv);
1048         unit_m4(ob->parentinv);
1049         unit_m4(ob->obmat);
1050         ob->dt= OB_TEXTURE;
1051         ob->empty_drawtype= OB_PLAINAXES;
1052         ob->empty_drawsize= 1.0;
1053
1054         if(type==OB_CAMERA || type==OB_LAMP) {
1055                 ob->trackflag= OB_NEGZ;
1056                 ob->upflag= OB_POSY;
1057         }
1058         else {
1059                 ob->trackflag= OB_POSY;
1060                 ob->upflag= OB_POSZ;
1061         }
1062         
1063         ob->dupon= 1; ob->dupoff= 0;
1064         ob->dupsta= 1; ob->dupend= 100;
1065         ob->dupfacesca = 1.0;
1066
1067         /* Game engine defaults*/
1068         ob->mass= ob->inertia= 1.0f;
1069         ob->formfactor= 0.4f;
1070         ob->damping= 0.04f;
1071         ob->rdamping= 0.1f;
1072         ob->anisotropicFriction[0] = 1.0f;
1073         ob->anisotropicFriction[1] = 1.0f;
1074         ob->anisotropicFriction[2] = 1.0f;
1075         ob->gameflag= OB_PROP|OB_COLLISION;
1076         ob->margin = 0.0;
1077         ob->init_state=1;
1078         ob->state=1;
1079         /* ob->pad3 == Contact Processing Threshold */
1080         ob->m_contactProcessingThreshold = 1.;
1081         
1082         /* NT fluid sim defaults */
1083         ob->fluidsimFlag = 0;
1084         ob->fluidsimSettings = NULL;
1085
1086         ob->pc_ids.first = ob->pc_ids.last = NULL;
1087         
1088         /* Animation Visualisation defaults */
1089         animviz_settings_init(&ob->avs);
1090
1091         return ob;
1092 }
1093
1094 /* general add: to scene, with layer from area and default name */
1095 /* creates minimum required data, but without vertices etc. */
1096 Object *add_object(struct Scene *scene, int type)
1097 {
1098         Object *ob;
1099         Base *base;
1100         char name[32];
1101
1102         BLI_strncpy(name, get_obdata_defname(type), sizeof(name));
1103         ob = add_only_object(type, name);
1104
1105         ob->data= add_obdata_from_type(type);
1106
1107         ob->lay= scene->lay;
1108         
1109         base= scene_add_base(scene, ob);
1110         scene_select_base(scene, base);
1111         ob->recalc |= OB_RECALC_OB|OB_RECALC_DATA|OB_RECALC_TIME;
1112
1113         return ob;
1114 }
1115
1116 SoftBody *copy_softbody(SoftBody *sb)
1117 {
1118         SoftBody *sbn;
1119         
1120         if (sb==NULL) return(NULL);
1121         
1122         sbn= MEM_dupallocN(sb);
1123         sbn->totspring= sbn->totpoint= 0;
1124         sbn->bpoint= NULL;
1125         sbn->bspring= NULL;
1126         
1127         sbn->keys= NULL;
1128         sbn->totkey= sbn->totpointkey= 0;
1129         
1130         sbn->scratch= NULL;
1131
1132         sbn->pointcache= BKE_ptcache_copy_list(&sbn->ptcaches, &sb->ptcaches);
1133
1134         if(sb->effector_weights)
1135                 sbn->effector_weights = MEM_dupallocN(sb->effector_weights);
1136
1137         return sbn;
1138 }
1139
1140 BulletSoftBody *copy_bulletsoftbody(BulletSoftBody *bsb)
1141 {
1142         BulletSoftBody *bsbn;
1143
1144         if (bsb == NULL)
1145                 return NULL;
1146         bsbn = MEM_dupallocN(bsb);
1147         /* no pointer in this structure yet */
1148         return bsbn;
1149 }
1150
1151 static ParticleSystem *copy_particlesystem(ParticleSystem *psys)
1152 {
1153         ParticleSystem *psysn;
1154         ParticleData *pa;
1155         int p;
1156
1157         psysn= MEM_dupallocN(psys);
1158         psysn->particles= MEM_dupallocN(psys->particles);
1159         psysn->child= MEM_dupallocN(psys->child);
1160
1161         if(psys->part->type == PART_HAIR) {
1162                 for(p=0, pa=psysn->particles; p<psysn->totpart; p++, pa++)
1163                         pa->hair = MEM_dupallocN(pa->hair);
1164         }
1165
1166         if(psysn->particles && (psysn->particles->keys || psysn->particles->boid)) {
1167                 ParticleKey *key = psysn->particles->keys;
1168                 BoidParticle *boid = psysn->particles->boid;
1169
1170                 if(key)
1171                         key = MEM_dupallocN(key);
1172                 
1173                 if(boid)
1174                         boid = MEM_dupallocN(boid);
1175                 
1176                 for(p=0, pa=psysn->particles; p<psysn->totpart; p++, pa++) {
1177                         if(boid)
1178                                 pa->boid = boid++;
1179                         if(key) {
1180                                 pa->keys = key;
1181                                 key += pa->totkey;
1182                         }
1183                 }
1184         }
1185
1186         if(psys->clmd) {
1187                 psysn->clmd = (ClothModifierData *)modifier_new(eModifierType_Cloth);
1188                 modifier_copyData((ModifierData*)psys->clmd, (ModifierData*)psysn->clmd);
1189                 psys->hair_in_dm = psys->hair_out_dm = NULL;
1190         }
1191
1192         BLI_duplicatelist(&psysn->targets, &psys->targets);
1193
1194         psysn->pathcache= NULL;
1195         psysn->childcache= NULL;
1196         psysn->edit= NULL;
1197         psysn->frand= NULL;
1198         psysn->pdd= NULL;
1199         psysn->effectors= NULL;
1200         
1201         psysn->pathcachebufs.first = psysn->pathcachebufs.last = NULL;
1202         psysn->childcachebufs.first = psysn->childcachebufs.last = NULL;
1203         psysn->renderdata = NULL;
1204         
1205         psysn->pointcache= BKE_ptcache_copy_list(&psysn->ptcaches, &psys->ptcaches);
1206
1207         /* XXX - from reading existing code this seems correct but intended usage of
1208          * pointcache should /w cloth should be added in 'ParticleSystem' - campbell */
1209         if(psysn->clmd) {
1210                 psysn->clmd->point_cache= psysn->pointcache;
1211         }
1212
1213         id_us_plus((ID *)psysn->part);
1214
1215         return psysn;
1216 }
1217
1218 void copy_object_particlesystems(Object *obn, Object *ob)
1219 {
1220         ParticleSystemModifierData *psmd;
1221         ParticleSystem *psys, *npsys;
1222         ModifierData *md;
1223
1224         obn->particlesystem.first= obn->particlesystem.last= NULL;
1225         for(psys=ob->particlesystem.first; psys; psys=psys->next) {
1226                 npsys= copy_particlesystem(psys);
1227
1228                 BLI_addtail(&obn->particlesystem, npsys);
1229
1230                 /* need to update particle modifiers too */
1231                 for(md=obn->modifiers.first; md; md=md->next) {
1232                         if(md->type==eModifierType_ParticleSystem) {
1233                                 psmd= (ParticleSystemModifierData*)md;
1234                                 if(psmd->psys==psys)
1235                                         psmd->psys= npsys;
1236                         }
1237                 }
1238         }
1239 }
1240
1241 void copy_object_softbody(Object *obn, Object *ob)
1242 {
1243         if(ob->soft)
1244                 obn->soft= copy_softbody(ob->soft);
1245 }
1246
1247 static void copy_object_pose(Object *obn, Object *ob)
1248 {
1249         bPoseChannel *chan;
1250         
1251         /* note: need to clear obn->pose pointer first, so that copy_pose works (otherwise there's a crash) */
1252         obn->pose= NULL;
1253         copy_pose(&obn->pose, ob->pose, 1);     /* 1 = copy constraints */
1254
1255         for (chan = obn->pose->chanbase.first; chan; chan=chan->next){
1256                 bConstraint *con;
1257                 
1258                 chan->flag &= ~(POSE_LOC|POSE_ROT|POSE_SIZE);
1259                 
1260                 for (con= chan->constraints.first; con; con= con->next) {
1261                         bConstraintTypeInfo *cti= constraint_get_typeinfo(con);
1262                         ListBase targets = {NULL, NULL};
1263                         bConstraintTarget *ct;
1264                         
1265 #if 0 // XXX old animation system
1266                         /* note that we can't change lib linked ipo blocks. for making
1267                          * proxies this still works correct however because the object
1268                          * is changed to object->proxy_from when evaluating the driver. */
1269                         if(con->ipo && !con->ipo->id.lib) {
1270                                 IpoCurve *icu;
1271                                 
1272                                 con->ipo= copy_ipo(con->ipo);
1273                                 
1274                                 for(icu= con->ipo->curve.first; icu; icu= icu->next) {
1275                                         if(icu->driver && icu->driver->ob==ob)
1276                                                 icu->driver->ob= obn;
1277                                 }
1278                         }
1279 #endif // XXX old animation system
1280                         
1281                         if (cti && cti->get_constraint_targets) {
1282                                 cti->get_constraint_targets(con, &targets);
1283                                 
1284                                 for (ct= targets.first; ct; ct= ct->next) {
1285                                         if (ct->tar == ob)
1286                                                 ct->tar = obn;
1287                                 }
1288                                 
1289                                 if (cti->flush_constraint_targets)
1290                                         cti->flush_constraint_targets(con, &targets, 0);
1291                         }
1292                 }
1293         }
1294 }
1295
1296 static void copy_object_transform(Object *ob_tar, Object *ob_src)
1297 {
1298         copy_v3_v3(ob_tar->loc, ob_src->loc);
1299         copy_v3_v3(ob_tar->rot, ob_src->rot);
1300         copy_v3_v3(ob_tar->quat, ob_src->quat);
1301         copy_v3_v3(ob_tar->rotAxis, ob_src->rotAxis);
1302         ob_tar->rotAngle= ob_src->rotAngle;
1303         ob_tar->rotmode= ob_src->rotmode;
1304         copy_v3_v3(ob_tar->size, ob_src->size);
1305 }
1306
1307 Object *copy_object(Object *ob)
1308 {
1309         Object *obn;
1310         ModifierData *md;
1311         int a;
1312
1313         obn= copy_libblock(ob);
1314         
1315         if(ob->totcol) {
1316                 obn->mat= MEM_dupallocN(ob->mat);
1317                 obn->matbits= MEM_dupallocN(ob->matbits);
1318                 obn->totcol= ob->totcol;
1319         }
1320         
1321         if(ob->bb) obn->bb= MEM_dupallocN(ob->bb);
1322         obn->path= NULL;
1323         obn->flag &= ~OB_FROMGROUP;
1324         
1325         obn->modifiers.first = obn->modifiers.last= NULL;
1326         
1327         for (md=ob->modifiers.first; md; md=md->next) {
1328                 ModifierData *nmd = modifier_new(md->type);
1329                 BLI_strncpy(nmd->name, md->name, sizeof(nmd->name));
1330                 modifier_copyData(md, nmd);
1331                 BLI_addtail(&obn->modifiers, nmd);
1332         }
1333
1334         obn->prop.first = obn->prop.last = NULL;
1335         copy_properties(&obn->prop, &ob->prop);
1336         
1337         copy_sensors(&obn->sensors, &ob->sensors);
1338         copy_controllers(&obn->controllers, &ob->controllers);
1339         copy_actuators(&obn->actuators, &ob->actuators);
1340         
1341         if(ob->pose) {
1342                 copy_object_pose(obn, ob);
1343                 /* backwards compat... non-armatures can get poses in older files? */
1344                 if(ob->type==OB_ARMATURE)
1345                         armature_rebuild_pose(obn, obn->data);
1346         }
1347         defgroup_copy_list(&obn->defbase, &ob->defbase);
1348         copy_constraints(&obn->constraints, &ob->constraints, TRUE);
1349
1350         obn->mode = 0;
1351         obn->sculpt = NULL;
1352
1353         /* increase user numbers */
1354         id_us_plus((ID *)obn->data);
1355         id_us_plus((ID *)obn->gpd);
1356         id_lib_extern((ID *)obn->dup_group);
1357
1358         for(a=0; a<obn->totcol; a++) id_us_plus((ID *)obn->mat[a]);
1359         
1360         obn->disp.first= obn->disp.last= NULL;
1361         
1362         if(ob->pd){
1363                 obn->pd= MEM_dupallocN(ob->pd);
1364                 if(obn->pd->tex)
1365                         id_us_plus(&(obn->pd->tex->id));
1366                 if(obn->pd->rng)
1367                         obn->pd->rng = MEM_dupallocN(ob->pd->rng);
1368         }
1369         obn->soft= copy_softbody(ob->soft);
1370         obn->bsoft = copy_bulletsoftbody(ob->bsoft);
1371
1372         copy_object_particlesystems(obn, ob);
1373         
1374         obn->derivedDeform = NULL;
1375         obn->derivedFinal = NULL;
1376
1377         obn->gpulamp.first = obn->gpulamp.last = NULL;
1378         obn->pc_ids.first = obn->pc_ids.last = NULL;
1379
1380         obn->mpath= NULL;
1381         
1382         return obn;
1383 }
1384
1385 static void extern_local_object(Object *ob)
1386 {
1387         //bActionStrip *strip;
1388         ParticleSystem *psys;
1389
1390 #if 0 // XXX old animation system
1391         id_lib_extern((ID *)ob->action);
1392         id_lib_extern((ID *)ob->ipo);
1393 #endif // XXX old animation system
1394         id_lib_extern((ID *)ob->data);
1395         id_lib_extern((ID *)ob->dup_group);
1396         id_lib_extern((ID *)ob->poselib);
1397         id_lib_extern((ID *)ob->gpd);
1398
1399         extern_local_matarar(ob->mat, ob->totcol);
1400
1401 #if 0 // XXX old animation system
1402         for (strip=ob->nlastrips.first; strip; strip=strip->next) {
1403                 id_lib_extern((ID *)strip->act);
1404         }
1405 #endif // XXX old animation system
1406         for(psys=ob->particlesystem.first; psys; psys=psys->next)
1407                 id_lib_extern((ID *)psys->part);
1408 }
1409
1410 void make_local_object(Object *ob)
1411 {
1412         Main *bmain= G.main;
1413         Scene *sce;
1414         Base *base;
1415         int local=0, lib=0;
1416
1417         /* - only lib users: do nothing
1418          * - only local users: set flag
1419          * - mixed: make copy
1420          */
1421
1422         if(ob->id.lib==NULL) return;
1423         
1424         ob->proxy= ob->proxy_from= NULL;
1425         
1426         if(ob->id.us==1) {
1427                 ob->id.lib= NULL;
1428                 ob->id.flag= LIB_LOCAL;
1429                 new_id(&bmain->object, (ID *)ob, NULL);
1430         }
1431         else {
1432                 for(sce= bmain->scene.first; sce && ELEM(0, lib, local); sce= sce->id.next) {
1433                         if(object_in_scene(ob, sce)) {
1434                                 if(sce->id.lib) lib= 1;
1435                                 else local= 1;
1436                         }
1437                 }
1438
1439                 if(local && lib==0) {
1440                         ob->id.lib= NULL;
1441                         ob->id.flag= LIB_LOCAL;
1442                         new_id(&bmain->object, (ID *)ob, NULL);
1443                 }
1444                 else if(local && lib) {
1445                         Object *obn= copy_object(ob);
1446                         obn->id.us= 0;
1447                         
1448                         sce= bmain->scene.first;
1449                         while(sce) {
1450                                 if(sce->id.lib==NULL) {
1451                                         base= sce->base.first;
1452                                         while(base) {
1453                                                 if(base->object==ob) {
1454                                                         base->object= obn;
1455                                                         obn->id.us++;
1456                                                         ob->id.us--;
1457                                                 }
1458                                                 base= base->next;
1459                                         }
1460                                 }
1461                                 sce= sce->id.next;
1462                         }
1463                 }
1464         }
1465         
1466         extern_local_object(ob);
1467 }
1468
1469 /*
1470  * Returns true if the Object is a from an external blend file (libdata)
1471  */
1472 int object_is_libdata(Object *ob)
1473 {
1474         if (!ob) return 0;
1475         if (ob->proxy) return 0;
1476         if (ob->id.lib) return 1;
1477         return 0;
1478 }
1479
1480 /* Returns true if the Object data is a from an external blend file (libdata) */
1481 int object_data_is_libdata(Object *ob)
1482 {
1483         if(!ob) return 0;
1484         if(ob->proxy && (ob->data==NULL || ((ID *)ob->data)->lib==NULL)) return 0;
1485         if(ob->id.lib) return 1;
1486         if(ob->data==NULL) return 0;
1487         if(((ID *)ob->data)->lib) return 1;
1488
1489         return 0;
1490 }
1491
1492 /* *************** PROXY **************** */
1493
1494 /* when you make proxy, ensure the exposed layers are extern */
1495 static void armature_set_id_extern(Object *ob)
1496 {
1497         bArmature *arm= ob->data;
1498         bPoseChannel *pchan;
1499         unsigned int lay= arm->layer_protected;
1500         
1501         for (pchan = ob->pose->chanbase.first; pchan; pchan=pchan->next) {
1502                 if(!(pchan->bone->layer & lay))
1503                         id_lib_extern((ID *)pchan->custom);
1504         }
1505                         
1506 }
1507
1508 void object_copy_proxy_drivers(Object *ob, Object *target)
1509 {
1510         if ((target->adt) && (target->adt->drivers.first)) {
1511                 FCurve *fcu;
1512                 
1513                 /* add new animdata block */
1514                 if(!ob->adt)
1515                         ob->adt= BKE_id_add_animdata(&ob->id);
1516                 
1517                 /* make a copy of all the drivers (for now), then correct any links that need fixing */
1518                 free_fcurves(&ob->adt->drivers);
1519                 copy_fcurves(&ob->adt->drivers, &target->adt->drivers);
1520                 
1521                 for (fcu= ob->adt->drivers.first; fcu; fcu= fcu->next) {
1522                         ChannelDriver *driver= fcu->driver;
1523                         DriverVar *dvar;
1524                         
1525                         for (dvar= driver->variables.first; dvar; dvar= dvar->next) {
1526                                 /* all drivers */
1527                                 DRIVER_TARGETS_LOOPER(dvar) 
1528                                 {
1529                                         if(dtar->id) {
1530                                                 if ((Object *)dtar->id == target)
1531                                                         dtar->id= (ID *)ob;
1532                                                 else {
1533                                                         /* only on local objects because this causes indirect links a -> b -> c,blend to point directly to a.blend
1534                                                          * when a.blend has a proxy thats linked into c.blend  */
1535                                                         if(ob->id.lib==NULL)
1536                                                                 id_lib_extern((ID *)dtar->id);
1537                                                 }
1538                                         }
1539                                 }
1540                                 DRIVER_TARGETS_LOOPER_END
1541                         }
1542                 }
1543         }
1544 }
1545
1546 /* proxy rule: lib_object->proxy_from == the one we borrow from, set temporally while object_update */
1547 /*             local_object->proxy == pointer to library object, saved in files and read */
1548 /*             local_object->proxy_group == pointer to group dupli-object, saved in files and read */
1549
1550 void object_make_proxy(Object *ob, Object *target, Object *gob)
1551 {
1552         /* paranoia checks */
1553         if(ob->id.lib || target->id.lib==NULL) {
1554                 printf("cannot make proxy\n");
1555                 return;
1556         }
1557         
1558         ob->proxy= target;
1559         ob->proxy_group= gob;
1560         id_lib_extern(&target->id);
1561         
1562         ob->recalc= target->recalc= OB_RECALC_OB|OB_RECALC_DATA|OB_RECALC_TIME;
1563         
1564         /* copy transform
1565          * - gob means this proxy comes from a group, just apply the matrix
1566          *   so the object wont move from its dupli-transform.
1567          *
1568          * - no gob means this is being made from a linked object,
1569          *   this is closer to making a copy of the object - in-place. */
1570         if(gob) {
1571                 ob->rotmode= target->rotmode;
1572                 mul_m4_m4m4(ob->obmat, target->obmat, gob->obmat);
1573                 if(gob->dup_group) { /* should always be true */
1574                         float tvec[3];
1575                         copy_v3_v3(tvec, gob->dup_group->dupli_ofs);
1576                         mul_mat3_m4_v3(ob->obmat, tvec);
1577                         sub_v3_v3(ob->obmat[3], tvec);
1578                 }
1579                 object_apply_mat4(ob, ob->obmat, FALSE, TRUE);
1580         }
1581         else {
1582                 copy_object_transform(ob, target);
1583                 ob->parent= target->parent;     /* libdata */
1584                 copy_m4_m4(ob->parentinv, target->parentinv);
1585         }
1586         
1587         /* copy animdata stuff - drivers only for now... */
1588         object_copy_proxy_drivers(ob, target);
1589
1590         /* skip constraints? */
1591         // FIXME: this is considered by many as a bug
1592         
1593         /* set object type and link to data */
1594         ob->type= target->type;
1595         ob->data= target->data;
1596         id_us_plus((ID *)ob->data);             /* ensures lib data becomes LIB_EXTERN */
1597         
1598         /* copy material and index information */
1599         ob->actcol= ob->totcol= 0;
1600         if(ob->mat) MEM_freeN(ob->mat);
1601         if(ob->matbits) MEM_freeN(ob->matbits);
1602         ob->mat = NULL;
1603         ob->matbits= NULL;
1604         if ((target->totcol) && (target->mat) && ELEM5(ob->type, OB_MESH, OB_CURVE, OB_SURF, OB_FONT, OB_MBALL)) { //XXX OB_SUPPORT_MATERIAL
1605                 int i;
1606                 ob->colbits = target->colbits;
1607                 
1608                 ob->actcol= target->actcol;
1609                 ob->totcol= target->totcol;
1610                 
1611                 ob->mat = MEM_dupallocN(target->mat);
1612                 ob->matbits = MEM_dupallocN(target->matbits);
1613                 for(i=0; i<target->totcol; i++) {
1614                         /* dont need to run test_object_materials since we know this object is new and not used elsewhere */
1615                         id_us_plus((ID *)ob->mat[i]); 
1616                 }
1617         }
1618         
1619         /* type conversions */
1620         if(target->type == OB_ARMATURE) {
1621                 copy_object_pose(ob, target);   /* data copy, object pointers in constraints */
1622                 rest_pose(ob->pose);                    /* clear all transforms in channels */
1623                 armature_rebuild_pose(ob, ob->data);    /* set all internal links */
1624                 
1625                 armature_set_id_extern(ob);
1626         }
1627         else if (target->type == OB_EMPTY) {
1628                 ob->empty_drawtype = target->empty_drawtype;
1629                 ob->empty_drawsize = target->empty_drawsize;
1630         }
1631
1632         /* copy IDProperties */
1633         if(ob->id.properties) {
1634                 IDP_FreeProperty(ob->id.properties);
1635                 MEM_freeN(ob->id.properties);
1636                 ob->id.properties= NULL;
1637         }
1638         if(target->id.properties) {
1639                 ob->id.properties= IDP_CopyProperty(target->id.properties);
1640         }
1641
1642         /* copy drawtype info */
1643         ob->dt= target->dt;
1644 }
1645
1646
1647 /* *************** CALC ****************** */
1648
1649 /* there is also a timing calculation in drawobject() */
1650
1651
1652 // XXX THIS CRUFT NEEDS SERIOUS RECODING ASAP!
1653 /* ob can be NULL */
1654 float bsystem_time(struct Scene *scene, Object *UNUSED(ob), float cfra, float ofs)
1655 {
1656         /* returns float ( see BKE_curframe in scene.c) */
1657         cfra += scene->r.subframe;
1658         
1659         /* global time */
1660         if (scene)
1661                 cfra*= scene->r.framelen;       
1662         
1663 #if 0 // XXX old animation system
1664         if (ob) {
1665                 /* ofset frames */
1666                 if ((ob->ipoflag & OB_OFFS_PARENT) && (ob->partype & PARSLOW)==0) 
1667                         cfra-= give_timeoffset(ob);
1668         }
1669 #endif // XXX old animation system
1670         
1671         cfra-= ofs;
1672
1673         return cfra;
1674 }
1675
1676 void object_scale_to_mat3(Object *ob, float mat[][3])
1677 {
1678         float vec[3];
1679         add_v3_v3v3(vec, ob->size, ob->dsize);
1680         size_to_mat3( mat,vec);
1681 }
1682
1683
1684 void object_rot_to_mat3(Object *ob, float mat[][3])
1685 {
1686         float rmat[3][3], dmat[3][3];
1687         
1688         /* 'dmat' is the delta-rotation matrix, which will get (pre)multiplied
1689          * with the rotation matrix to yield the appropriate rotation
1690          */
1691
1692         /* rotations may either be quats, eulers (with various rotation orders), or axis-angle */
1693         if (ob->rotmode > 0) {
1694                 /* euler rotations (will cause gimble lock, but this can be alleviated a bit with rotation orders) */
1695                 eulO_to_mat3(rmat, ob->rot, ob->rotmode);
1696                 eulO_to_mat3(dmat, ob->drot, ob->rotmode);
1697         }
1698         else if (ob->rotmode == ROT_MODE_AXISANGLE) {
1699                 /* axis-angle -  not really that great for 3D-changing orientations */
1700                 axis_angle_to_mat3(rmat, ob->rotAxis, ob->rotAngle);
1701                 axis_angle_to_mat3(dmat, ob->drotAxis, ob->drotAngle);
1702         }
1703         else {
1704                 /* quats are normalised before use to eliminate scaling issues */
1705                 float tquat[4];
1706                 
1707                 normalize_qt_qt(tquat, ob->quat);
1708                 quat_to_mat3(rmat, tquat);
1709                 
1710                 normalize_qt_qt(tquat, ob->dquat);
1711                 quat_to_mat3(dmat, tquat);
1712         }
1713         
1714         /* combine these rotations */
1715         mul_m3_m3m3(mat, dmat, rmat);
1716 }
1717
1718 void object_mat3_to_rot(Object *ob, float mat[][3], short use_compat)
1719 {
1720         switch(ob->rotmode) {
1721         case ROT_MODE_QUAT:
1722                 {
1723                         float dquat[4];
1724                         mat3_to_quat(ob->quat, mat);
1725                         normalize_qt_qt(dquat, ob->dquat);
1726                         invert_qt(dquat);
1727                         mul_qt_qtqt(ob->quat, dquat, ob->quat);
1728                 }
1729                 break;
1730         case ROT_MODE_AXISANGLE:
1731                 mat3_to_axis_angle(ob->rotAxis, &ob->rotAngle, mat);
1732                 sub_v3_v3(ob->rotAxis, ob->drotAxis);
1733                 ob->rotAngle -= ob->drotAngle;
1734                 break;
1735         default: /* euler */
1736                 {
1737                         float quat[4];
1738                         float dquat[4];
1739                         float tmat[3][3];
1740
1741                         /* without drot we could apply 'mat' directly */
1742                         mat3_to_quat(quat, mat);
1743                         eulO_to_quat(dquat, ob->drot, ob->rotmode);
1744                         invert_qt(dquat);
1745                         mul_qt_qtqt(quat, dquat, quat);
1746                         quat_to_mat3(tmat, quat);
1747                         /* end drot correction */
1748
1749                         if(use_compat)  mat3_to_compatible_eulO(ob->rot, ob->rot, ob->rotmode, tmat);
1750                         else                    mat3_to_eulO(ob->rot, ob->rotmode, tmat);
1751                 }
1752         }
1753 }
1754
1755 /* see pchan_apply_mat4() for the equivalent 'pchan' function */
1756 void object_apply_mat4(Object *ob, float mat[][4], const short use_compat, const short use_parent)
1757 {
1758         float rot[3][3];
1759
1760         if(use_parent && ob->parent) {
1761                 float rmat[4][4], diff_mat[4][4], imat[4][4];
1762                 mul_m4_m4m4(diff_mat, ob->parentinv, ob->parent->obmat);
1763                 invert_m4_m4(imat, diff_mat);
1764                 mul_m4_m4m4(rmat, mat, imat); /* get the parent relative matrix */
1765                 object_apply_mat4(ob, rmat, use_compat, FALSE);
1766                 
1767                 /* same as below, use rmat rather than mat */
1768                 mat4_to_loc_rot_size(ob->loc, rot, ob->size, rmat);
1769                 object_mat3_to_rot(ob, rot, use_compat);
1770         }
1771         else {
1772                 mat4_to_loc_rot_size(ob->loc, rot, ob->size, mat);
1773                 object_mat3_to_rot(ob, rot, use_compat);
1774         }
1775         
1776         sub_v3_v3(ob->loc, ob->dloc);
1777         sub_v3_v3(ob->size, ob->dsize);
1778         /* object_mat3_to_rot handles delta rotations */
1779 }
1780
1781 void object_to_mat3(Object *ob, float mat[][3]) /* no parent */
1782 {
1783         float smat[3][3];
1784         float rmat[3][3];
1785         /*float q1[4];*/
1786         
1787         /* size */
1788         object_scale_to_mat3(ob, smat);
1789
1790         /* rot */
1791         object_rot_to_mat3(ob, rmat);
1792         mul_m3_m3m3(mat, rmat, smat);
1793 }
1794
1795 void object_to_mat4(Object *ob, float mat[][4])
1796 {
1797         float tmat[3][3];
1798         
1799         object_to_mat3(ob, tmat);
1800         
1801         copy_m4_m3(mat, tmat);
1802
1803         add_v3_v3v3(mat[3], ob->loc, ob->dloc);
1804 }
1805
1806 /* extern */
1807 int enable_cu_speed= 1;
1808
1809 static void ob_parcurve(Scene *scene, Object *ob, Object *par, float mat[][4])
1810 {
1811         Curve *cu;
1812         float vec[4], dir[3], quat[4], radius, ctime;
1813         float timeoffs = 0.0, sf_orig = 0.0;
1814         
1815         unit_m4(mat);
1816         
1817         cu= par->data;
1818         if(cu->path==NULL || cu->path->data==NULL) /* only happens on reload file, but violates depsgraph still... fix! */
1819                 makeDispListCurveTypes(scene, par, 0);
1820         if(cu->path==NULL) return;
1821         
1822         /* exception, timeoffset is regarded as distance offset */
1823         if(cu->flag & CU_OFFS_PATHDIST) {
1824                 timeoffs = give_timeoffset(ob);
1825                 SWAP(float, sf_orig, ob->sf);
1826         }
1827         
1828         /* catch exceptions: feature for nla stride editing */
1829         if(ob->ipoflag & OB_DISABLE_PATH) {
1830                 ctime= 0.0f;
1831         }
1832         /* catch exceptions: curve paths used as a duplicator */
1833         else if(enable_cu_speed) {
1834                 /* ctime is now a proper var setting of Curve which gets set by Animato like any other var that's animated,
1835                  * but this will only work if it actually is animated... 
1836                  *
1837                  * we divide the curvetime calculated in the previous step by the length of the path, to get a time
1838                  * factor, which then gets clamped to lie within 0.0 - 1.0 range
1839                  */
1840                 if (IS_EQF(cu->pathlen, 0.0f) == 0)
1841                         ctime= cu->ctime / cu->pathlen;
1842                 else
1843                         ctime= cu->ctime;
1844
1845                 CLAMP(ctime, 0.0f, 1.0f);
1846         }
1847         else {
1848                 ctime= scene->r.cfra - give_timeoffset(ob);
1849                 if (IS_EQF(cu->pathlen, 0.0f) == 0)
1850                         ctime /= cu->pathlen;
1851                 
1852                 CLAMP(ctime, 0.0f, 1.0f);
1853         }
1854         
1855         /* time calculus is correct, now apply distance offset */
1856         if(cu->flag & CU_OFFS_PATHDIST) {
1857                 ctime += timeoffs/cu->path->totdist;
1858
1859                 /* restore */
1860                 SWAP(float, sf_orig, ob->sf);
1861         }
1862         
1863         
1864         /* vec: 4 items! */
1865         if( where_on_path(par, ctime, vec, dir, cu->flag & CU_FOLLOW ? quat:NULL, &radius, NULL) ) {
1866
1867                 if(cu->flag & CU_FOLLOW) {
1868 #if 0
1869                         float x1, q[4];
1870                         vec_to_quat( quat,dir, ob->trackflag, ob->upflag);
1871                         
1872                         /* the tilt */
1873                         normalize_v3(dir);
1874                         q[0]= (float)cos(0.5*vec[3]);
1875                         x1= (float)sin(0.5*vec[3]);
1876                         q[1]= -x1*dir[0];
1877                         q[2]= -x1*dir[1];
1878                         q[3]= -x1*dir[2];
1879                         mul_qt_qtqt(quat, q, quat);
1880 #else
1881                         quat_apply_track(quat, ob->trackflag, ob->upflag);
1882 #endif
1883                         normalize_qt(quat);
1884                         quat_to_mat4(mat, quat);
1885                 }
1886                 
1887                 if(cu->flag & CU_PATH_RADIUS) {
1888                         float tmat[4][4], rmat[4][4];
1889                         scale_m4_fl(tmat, radius);
1890                         mul_m4_m4m4(rmat, mat, tmat);
1891                         copy_m4_m4(mat, rmat);
1892                 }
1893
1894                 copy_v3_v3(mat[3], vec);
1895                 
1896         }
1897 }
1898
1899 static void ob_parbone(Object *ob, Object *par, float mat[][4])
1900 {       
1901         bPoseChannel *pchan;
1902         float vec[3];
1903         
1904         if (par->type!=OB_ARMATURE) {
1905                 unit_m4(mat);
1906                 return;
1907         }
1908         
1909         /* Make sure the bone is still valid */
1910         pchan= get_pose_channel(par->pose, ob->parsubstr);
1911         if (!pchan){
1912                 printf ("Object %s with Bone parent: bone %s doesn't exist\n", ob->id.name+2, ob->parsubstr);
1913                 unit_m4(mat);
1914                 return;
1915         }
1916
1917         /* get bone transform */
1918         copy_m4_m4(mat, pchan->pose_mat);
1919
1920         /* but for backwards compatibility, the child has to move to the tail */
1921         copy_v3_v3(vec, mat[1]);
1922         mul_v3_fl(vec, pchan->bone->length);
1923         add_v3_v3(mat[3], vec);
1924 }
1925
1926 static void give_parvert(Object *par, int nr, float *vec)
1927 {
1928         EditMesh *em;
1929         int a, count;
1930         
1931         vec[0]=vec[1]=vec[2]= 0.0f;
1932         
1933         if(par->type==OB_MESH) {
1934                 Mesh *me= par->data;
1935                 DerivedMesh *dm;
1936
1937                 em = BKE_mesh_get_editmesh(me);
1938                 dm = (em)? em->derivedFinal: par->derivedFinal;
1939                         
1940                 if(dm) {
1941                         MVert *mvert= dm->getVertArray(dm);
1942                         int *index = (int *)dm->getVertDataArray(dm, CD_ORIGINDEX);
1943                         int i, vindex, numVerts = dm->getNumVerts(dm);
1944
1945                         /* get the average of all verts with (original index == nr) */
1946                         count= 0;
1947                         for(i = 0; i < numVerts; i++) {
1948                                 vindex= (index)? index[i]: i;
1949
1950                                 if(vindex == nr) {
1951                                         add_v3_v3(vec, mvert[i].co);
1952                                         count++;
1953                                 }
1954                         }
1955
1956                         if (count==0) {
1957                                 /* keep as 0,0,0 */
1958                         } else if(count > 0) {
1959                                 mul_v3_fl(vec, 1.0f / count);
1960                         } else {
1961                                 /* use first index if its out of range */
1962                                 dm->getVertCo(dm, 0, vec);
1963                         }
1964                 }
1965
1966                 if(em)
1967                         BKE_mesh_end_editmesh(me, em);
1968         }
1969         else if (ELEM(par->type, OB_CURVE, OB_SURF)) {
1970                 Nurb *nu;
1971                 Curve *cu;
1972                 BPoint *bp;
1973                 BezTriple *bezt;
1974                 int found= 0;
1975                 ListBase *nurbs;
1976
1977                 cu= par->data;
1978                 nurbs= BKE_curve_nurbs(cu);
1979                 nu= nurbs->first;
1980
1981                 count= 0;
1982                 while(nu && !found) {
1983                         if(nu->type == CU_BEZIER) {
1984                                 bezt= nu->bezt;
1985                                 a= nu->pntsu;
1986                                 while(a--) {
1987                                         if(count==nr) {
1988                                                 found= 1;
1989                                                 VECCOPY(vec, bezt->vec[1]);
1990                                                 break;
1991                                         }
1992                                         count++;
1993                                         bezt++;
1994                                 }
1995                         }
1996                         else {
1997                                 bp= nu->bp;
1998                                 a= nu->pntsu*nu->pntsv;
1999                                 while(a--) {
2000                                         if(count==nr) {
2001                                                 found= 1;
2002                                                 memcpy(vec, bp->vec, sizeof(float)*3);
2003                                                 break;
2004                                         }
2005                                         count++;
2006                                         bp++;
2007                                 }
2008                         }
2009                         nu= nu->next;
2010                 }
2011
2012         }
2013         else if(par->type==OB_LATTICE) {
2014                 Lattice *latt= par->data;
2015                 BPoint *bp;
2016                 DispList *dl = find_displist(&par->disp, DL_VERTS);
2017                 float *co = dl?dl->verts:NULL;
2018                 
2019                 if(latt->editlatt) latt= latt->editlatt->latt;
2020                 
2021                 a= latt->pntsu*latt->pntsv*latt->pntsw;
2022                 count= 0;
2023                 bp= latt->def;
2024                 while(a--) {
2025                         if(count==nr) {
2026                                 if(co)
2027                                         memcpy(vec, co, 3*sizeof(float));
2028                                 else
2029                                         memcpy(vec, bp->vec, 3*sizeof(float));
2030                                 break;
2031                         }
2032                         count++;
2033                         if(co) co+= 3;
2034                         else bp++;
2035                 }
2036         }
2037 }
2038
2039 static void ob_parvert3(Object *ob, Object *par, float mat[][4])
2040 {
2041         float cmat[3][3], v1[3], v2[3], v3[3], q[4];
2042
2043         /* in local ob space */
2044         unit_m4(mat);
2045         
2046         if (ELEM4(par->type, OB_MESH, OB_SURF, OB_CURVE, OB_LATTICE)) {
2047                 
2048                 give_parvert(par, ob->par1, v1);
2049                 give_parvert(par, ob->par2, v2);
2050                 give_parvert(par, ob->par3, v3);
2051                                 
2052                 tri_to_quat( q,v1, v2, v3);
2053                 quat_to_mat3( cmat,q);
2054                 copy_m4_m3(mat, cmat);
2055                 
2056                 if(ob->type==OB_CURVE) {
2057                         VECCOPY(mat[3], v1);
2058                 }
2059                 else {
2060                         add_v3_v3v3(mat[3], v1, v2);
2061                         add_v3_v3(mat[3], v3);
2062                         mul_v3_fl(mat[3], 0.3333333f);
2063                 }
2064         }
2065 }
2066
2067 // XXX what the hell is this?
2068 static int no_parent_ipo=0;
2069 void set_no_parent_ipo(int val)
2070 {
2071         no_parent_ipo= val;
2072 }
2073
2074 void where_is_object_time(Scene *scene, Object *ob, float ctime)
2075 {
2076         float *fp1, *fp2, slowmat[4][4] = MAT4_UNITY;
2077         float stime=ctime, fac1, fac2;
2078         int a;
2079         
2080         /* new version: correct parent+vertexparent and track+parent */
2081         /* this one only calculates direct attached parent and track */
2082         /* is faster, but should keep track of timeoffs */
2083         
2084         if(ob==NULL) return;
2085         
2086         /* execute drivers only, as animation has already been done */
2087         BKE_animsys_evaluate_animdata(&ob->id, ob->adt, ctime, ADT_RECALC_DRIVERS);
2088         
2089         if(ob->parent) {
2090                 Object *par= ob->parent;
2091                 
2092                 // XXX depreceated - animsys
2093                 if(ob->ipoflag & OB_OFFS_PARENT) ctime-= give_timeoffset(ob);
2094                 
2095                 /* hurms, code below conflicts with depgraph... (ton) */
2096                 /* and even worse, it gives bad effects for NLA stride too (try ctime != par->ctime, with MBlur) */
2097                 if(no_parent_ipo==0 && stime != par->ctime) {
2098                         // only for ipo systems? 
2099                         Object tmp= *par;
2100                         
2101                         if(par->proxy_from);    // was a copied matrix, no where_is! bad...
2102                         else where_is_object_time(scene, par, ctime);
2103
2104                         solve_parenting(scene, ob, par, ob->obmat, slowmat, 0);
2105
2106                         *par= tmp;
2107                 }
2108                 else
2109                         solve_parenting(scene, ob, par, ob->obmat, slowmat, 0);
2110                 
2111                 if(ob->partype & PARSLOW) {
2112                         // include framerate
2113                         fac1= ( 1.0f / (1.0f + (float)fabs(give_timeoffset(ob))) );
2114                         if(fac1 >= 1.0f) return;
2115                         fac2= 1.0f-fac1;
2116                         
2117                         fp1= ob->obmat[0];
2118                         fp2= slowmat[0];
2119                         for(a=0; a<16; a++, fp1++, fp2++) {
2120                                 fp1[0]= fac1*fp1[0] + fac2*fp2[0];
2121                         }
2122                 }
2123         }
2124         else {
2125                 object_to_mat4(ob, ob->obmat);
2126         }
2127
2128         /* solve constraints */
2129         if (ob->constraints.first && !(ob->transflag & OB_NO_CONSTRAINTS)) {
2130                 bConstraintOb *cob;
2131                 
2132                 cob= constraints_make_evalob(scene, ob, NULL, CONSTRAINT_OBTYPE_OBJECT);
2133                 
2134                 /* constraints need ctime, not stime. Some call where_is_object_time and bsystem_time */
2135                 solve_constraints (&ob->constraints, cob, ctime);
2136                 
2137                 constraints_clear_evalob(cob);
2138         }
2139         
2140         /* set negative scale flag in object */
2141         if(is_negative_m4(ob->obmat))   ob->transflag |= OB_NEG_SCALE;
2142         else                                                    ob->transflag &= ~OB_NEG_SCALE;
2143 }
2144
2145 static void solve_parenting (Scene *scene, Object *ob, Object *par, float obmat[][4], float slowmat[][4], int simul)
2146 {
2147         float totmat[4][4];
2148         float tmat[4][4];
2149         float locmat[4][4];
2150         float vec[3];
2151         int ok;
2152         
2153         object_to_mat4(ob, locmat);
2154         
2155         if(ob->partype & PARSLOW) copy_m4_m4(slowmat, obmat);
2156
2157         switch(ob->partype & PARTYPE) {
2158         case PAROBJECT:
2159                 ok= 0;
2160                 if(par->type==OB_CURVE) {
2161                         if( ((Curve *)par->data)->flag & CU_PATH ) {
2162                                 ob_parcurve(scene, ob, par, tmat);
2163                                 ok= 1;
2164                         }
2165                 }
2166                 
2167                 if(ok) mul_serie_m4(totmat, par->obmat, tmat, 
2168                         NULL, NULL, NULL, NULL, NULL, NULL);
2169                 else copy_m4_m4(totmat, par->obmat);
2170                 
2171                 break;
2172         case PARBONE:
2173                 ob_parbone(ob, par, tmat);
2174                 mul_serie_m4(totmat, par->obmat, tmat,         
2175                         NULL, NULL, NULL, NULL, NULL, NULL);
2176                 break;
2177                 
2178         case PARVERT1:
2179                 unit_m4(totmat);
2180                 if (simul){
2181                         VECCOPY(totmat[3], par->obmat[3]);
2182                 }
2183                 else{
2184                         give_parvert(par, ob->par1, vec);
2185                         mul_v3_m4v3(totmat[3], par->obmat, vec);
2186                 }
2187                 break;
2188         case PARVERT3:
2189                 ob_parvert3(ob, par, tmat);
2190                 
2191                 mul_serie_m4(totmat, par->obmat, tmat,         
2192                         NULL, NULL, NULL, NULL, NULL, NULL);
2193                 break;
2194                 
2195         case PARSKEL:
2196                 copy_m4_m4(totmat, par->obmat);
2197                 break;
2198         }
2199         
2200         // total 
2201         mul_serie_m4(tmat, totmat, ob->parentinv,         
2202                 NULL, NULL, NULL, NULL, NULL, NULL);
2203         mul_serie_m4(obmat, tmat, locmat,         
2204                 NULL, NULL, NULL, NULL, NULL, NULL);
2205         
2206         if (simul) {
2207
2208         }
2209         else{
2210                 // external usable originmat 
2211                 copy_m3_m4(originmat, tmat);
2212                 
2213                 // origin, voor help line
2214                 if( (ob->partype & PARTYPE)==PARSKEL ) {
2215                         VECCOPY(ob->orig, par->obmat[3]);
2216                 }
2217                 else {
2218                         VECCOPY(ob->orig, totmat[3]);
2219                 }
2220         }
2221
2222 }
2223
2224 void where_is_object(struct Scene *scene, Object *ob)
2225 {
2226         where_is_object_time(scene, ob, (float)scene->r.cfra);
2227 }
2228
2229
2230 void where_is_object_simul(Scene *scene, Object *ob)
2231 /* was written for the old game engine (until 2.04) */
2232 /* It seems that this function is only called
2233 for a lamp that is the child of another object */
2234 {
2235         Object *par;
2236         //Ipo *ipo;
2237         float *fp1, *fp2;
2238         float slowmat[4][4];
2239         float fac1, fac2;
2240         int a;
2241         
2242         /* NO TIMEOFFS */
2243         if(ob->parent) {
2244                 par= ob->parent;
2245                 
2246                 solve_parenting(scene, ob, par, ob->obmat, slowmat, 1);
2247
2248                 if(ob->partype & PARSLOW) {
2249
2250                         fac1= (float)(1.0/(1.0+ fabs(give_timeoffset(ob))));
2251                         fac2= 1.0f-fac1;
2252                         fp1= ob->obmat[0];
2253                         fp2= slowmat[0];
2254                         for(a=0; a<16; a++, fp1++, fp2++) {
2255                                 fp1[0]= fac1*fp1[0] + fac2*fp2[0];
2256                         }
2257                 }
2258                 
2259         }
2260         else {
2261                 object_to_mat4(ob, ob->obmat);
2262         }
2263         
2264         /* solve constraints */
2265         if (ob->constraints.first) {
2266                 bConstraintOb *cob;
2267                 
2268                 cob= constraints_make_evalob(scene, ob, NULL, CONSTRAINT_OBTYPE_OBJECT);
2269                 solve_constraints(&ob->constraints, cob, (float)scene->r.cfra);
2270                 constraints_clear_evalob(cob);
2271         }
2272 }
2273
2274 /* for calculation of the inverse parent transform, only used for editor */
2275 void what_does_parent(Scene *scene, Object *ob, Object *workob)
2276 {
2277         clear_workob(workob);
2278         
2279         unit_m4(workob->obmat);
2280         unit_m4(workob->parentinv);
2281         unit_m4(workob->constinv);
2282         workob->parent= ob->parent;
2283
2284         workob->trackflag= ob->trackflag;
2285         workob->upflag= ob->upflag;
2286         
2287         workob->partype= ob->partype;
2288         workob->par1= ob->par1;
2289         workob->par2= ob->par2;
2290         workob->par3= ob->par3;
2291
2292         workob->constraints.first = ob->constraints.first;
2293         workob->constraints.last = ob->constraints.last;
2294
2295         BLI_strncpy(workob->parsubstr, ob->parsubstr, sizeof(workob->parsubstr));
2296
2297         where_is_object(scene, workob);
2298 }
2299
2300 BoundBox *unit_boundbox(void)
2301 {
2302         BoundBox *bb;
2303         float min[3] = {-1.0f,-1.0f,-1.0f}, max[3] = {-1.0f,-1.0f,-1.0f};
2304
2305         bb= MEM_callocN(sizeof(BoundBox), "bb");
2306         boundbox_set_from_min_max(bb, min, max);
2307         
2308         return bb;
2309 }
2310
2311 void boundbox_set_from_min_max(BoundBox *bb, float min[3], float max[3])
2312 {
2313         bb->vec[0][0]=bb->vec[1][0]=bb->vec[2][0]=bb->vec[3][0]= min[0];
2314         bb->vec[4][0]=bb->vec[5][0]=bb->vec[6][0]=bb->vec[7][0]= max[0];
2315         
2316         bb->vec[0][1]=bb->vec[1][1]=bb->vec[4][1]=bb->vec[5][1]= min[1];
2317         bb->vec[2][1]=bb->vec[3][1]=bb->vec[6][1]=bb->vec[7][1]= max[1];
2318
2319         bb->vec[0][2]=bb->vec[3][2]=bb->vec[4][2]=bb->vec[7][2]= min[2];
2320         bb->vec[1][2]=bb->vec[2][2]=bb->vec[5][2]=bb->vec[6][2]= max[2];
2321 }
2322
2323 BoundBox *object_get_boundbox(Object *ob)
2324 {
2325         BoundBox *bb= NULL;
2326         
2327         if(ob->type==OB_MESH) {
2328                 bb = mesh_get_bb(ob);
2329         }
2330         else if (ELEM3(ob->type, OB_CURVE, OB_SURF, OB_FONT)) {
2331                 bb= ob->bb ? ob->bb : ( (Curve *)ob->data )->bb;
2332         }
2333         else if(ob->type==OB_MBALL) {
2334                 bb= ob->bb;
2335         }
2336         return bb;
2337 }
2338
2339 /* used to temporally disable/enable boundbox */
2340 void object_boundbox_flag(Object *ob, int flag, int set)
2341 {
2342         BoundBox *bb= object_get_boundbox(ob);
2343         if(bb) {
2344                 if(set) bb->flag |= flag;
2345                 else bb->flag &= ~flag;
2346         }
2347 }
2348
2349 void object_get_dimensions(Object *ob, float *value)
2350 {
2351         BoundBox *bb = NULL;
2352         
2353         bb= object_get_boundbox(ob);
2354         if (bb) {
2355                 float scale[3];
2356                 
2357                 mat4_to_size( scale,ob->obmat);
2358                 
2359                 value[0] = fabsf(scale[0]) * (bb->vec[4][0] - bb->vec[0][0]);
2360                 value[1] = fabsf(scale[1]) * (bb->vec[2][1] - bb->vec[0][1]);
2361                 value[2] = fabsf(scale[2]) * (bb->vec[1][2] - bb->vec[0][2]);
2362         } else {
2363                 value[0] = value[1] = value[2] = 0.f;
2364         }
2365 }
2366
2367 void object_set_dimensions(Object *ob, const float *value)
2368 {
2369         BoundBox *bb = NULL;
2370         
2371         bb= object_get_boundbox(ob);
2372         if (bb) {
2373                 float scale[3], len[3];
2374                 
2375                 mat4_to_size( scale,ob->obmat);
2376                 
2377                 len[0] = bb->vec[4][0] - bb->vec[0][0];
2378                 len[1] = bb->vec[2][1] - bb->vec[0][1];
2379                 len[2] = bb->vec[1][2] - bb->vec[0][2];
2380                 
2381                 if (len[0] > 0.f) ob->size[0] = value[0] / len[0];
2382                 if (len[1] > 0.f) ob->size[1] = value[1] / len[1];
2383                 if (len[2] > 0.f) ob->size[2] = value[2] / len[2];
2384         }
2385 }
2386
2387 void minmax_object(Object *ob, float *min, float *max)
2388 {
2389         BoundBox bb;
2390         float vec[3];
2391         int a;
2392         short change= FALSE;
2393         
2394         switch(ob->type) {
2395         case OB_CURVE:
2396         case OB_FONT:
2397         case OB_SURF:
2398                 {
2399                         Curve *cu= ob->data;
2400
2401                         if(cu->bb==NULL) tex_space_curve(cu);
2402                         bb= *(cu->bb);
2403
2404                         for(a=0; a<8; a++) {
2405                                 mul_m4_v3(ob->obmat, bb.vec[a]);
2406                                 DO_MINMAX(bb.vec[a], min, max);
2407                         }
2408                         change= TRUE;
2409                 }
2410                 break;
2411         case OB_LATTICE:
2412                 {
2413                         Lattice *lt= ob->data;
2414                         BPoint *bp= lt->def;
2415                         int u, v, w;
2416
2417                         for(w=0; w<lt->pntsw; w++) {
2418                                 for(v=0; v<lt->pntsv; v++) {
2419                                         for(u=0; u<lt->pntsu; u++, bp++) {
2420                                                 mul_v3_m4v3(vec, ob->obmat, bp->vec);
2421                                                 DO_MINMAX(vec, min, max);
2422                                         }
2423                                 }
2424                         }
2425                         change= TRUE;
2426                 }
2427                 break;
2428         case OB_ARMATURE:
2429                 if(ob->pose) {
2430                         bPoseChannel *pchan;
2431                         for(pchan= ob->pose->chanbase.first; pchan; pchan= pchan->next) {
2432                                 mul_v3_m4v3(vec, ob->obmat, pchan->pose_head);
2433                                 DO_MINMAX(vec, min, max);
2434                                 mul_v3_m4v3(vec, ob->obmat, pchan->pose_tail);
2435                                 DO_MINMAX(vec, min, max);
2436                         }
2437                         change= TRUE;
2438                 }
2439                 break;
2440         case OB_MESH:
2441                 {
2442                         Mesh *me= get_mesh(ob);
2443
2444                         if(me) {
2445                                 bb = *mesh_get_bb(ob);
2446
2447                                 for(a=0; a<8; a++) {
2448                                         mul_m4_v3(ob->obmat, bb.vec[a]);
2449                                         DO_MINMAX(bb.vec[a], min, max);
2450                                 }
2451                                 change= TRUE;
2452                         }
2453                 }
2454                 break;
2455         }
2456
2457         if(change == FALSE) {
2458                 DO_MINMAX(ob->obmat[3], min, max);
2459
2460                 copy_v3_v3(vec, ob->obmat[3]);
2461                 add_v3_v3(vec, ob->size);
2462                 DO_MINMAX(vec, min, max);
2463
2464                 copy_v3_v3(vec, ob->obmat[3]);
2465                 sub_v3_v3(vec, ob->size);
2466                 DO_MINMAX(vec, min, max);
2467         }
2468 }
2469
2470 int minmax_object_duplis(Scene *scene, Object *ob, float *min, float *max)
2471 {
2472         int ok= 0;
2473         if ((ob->transflag & OB_DUPLI)==0) {
2474                 return ok;
2475         } else {
2476                 ListBase *lb;
2477                 DupliObject *dob;
2478                 
2479                 lb= object_duplilist(scene, ob);
2480                 for(dob= lb->first; dob; dob= dob->next) {
2481                         if(dob->no_draw == 0) {
2482                                 BoundBox *bb= object_get_boundbox(dob->ob);
2483
2484                                 if(bb) {
2485                                         int i;
2486                                         for(i=0; i<8; i++) {
2487                                                 float vec[3];
2488                                                 mul_v3_m4v3(vec, dob->mat, bb->vec[i]);
2489                                                 DO_MINMAX(vec, min, max);
2490                                         }
2491
2492                                         ok= 1;
2493                                 }
2494                         }
2495                 }
2496                 free_object_duplilist(lb);      /* does restore */
2497         }
2498
2499         return ok;
2500 }
2501
2502 /* copied from DNA_object_types.h */
2503 typedef struct ObTfmBack {
2504         float loc[3], dloc[3], orig[3];
2505         float size[3], dsize[3];        /* scale and delta scale */
2506         float rot[3], drot[3];          /* euler rotation */
2507         float quat[4], dquat[4];        /* quaternion rotation */
2508         float rotAxis[3], drotAxis[3];  /* axis angle rotation - axis part */
2509         float rotAngle, drotAngle;      /* axis angle rotation - angle part */
2510         float obmat[4][4];              /* final worldspace matrix with constraints & animsys applied */
2511         float parentinv[4][4]; /* inverse result of parent, so that object doesn't 'stick' to parent */
2512         float constinv[4][4]; /* inverse result of constraints. doesn't include effect of parent or object local transform */
2513         float imat[4][4];       /* inverse matrix of 'obmat' for during render, old game engine, temporally: ipokeys of transform  */
2514 } ObTfmBack;
2515
2516 void *object_tfm_backup(Object *ob)
2517 {
2518         ObTfmBack *obtfm= MEM_mallocN(sizeof(ObTfmBack), "ObTfmBack");
2519         copy_v3_v3(obtfm->loc, ob->loc);
2520         copy_v3_v3(obtfm->dloc, ob->dloc);
2521         copy_v3_v3(obtfm->orig, ob->orig);
2522         copy_v3_v3(obtfm->size, ob->size);
2523         copy_v3_v3(obtfm->dsize, ob->dsize);
2524         copy_v3_v3(obtfm->rot, ob->rot);
2525         copy_v3_v3(obtfm->drot, ob->drot);
2526         copy_qt_qt(obtfm->quat, ob->quat);
2527         copy_qt_qt(obtfm->dquat, ob->dquat);
2528         copy_v3_v3(obtfm->rotAxis, ob->rotAxis);
2529         copy_v3_v3(obtfm->drotAxis, ob->drotAxis);
2530         obtfm->rotAngle= ob->rotAngle;
2531         obtfm->drotAngle= ob->drotAngle;
2532         copy_m4_m4(obtfm->obmat, ob->obmat);
2533         copy_m4_m4(obtfm->parentinv, ob->parentinv);
2534         copy_m4_m4(obtfm->constinv, ob->constinv);
2535         copy_m4_m4(obtfm->imat, ob->imat);
2536
2537         return (void *)obtfm;
2538 }
2539
2540 void object_tfm_restore(Object *ob, void *obtfm_pt)
2541 {
2542         ObTfmBack *obtfm= (ObTfmBack *)obtfm_pt;
2543         copy_v3_v3(ob->loc, obtfm->loc);
2544         copy_v3_v3(ob->dloc, obtfm->dloc);
2545         copy_v3_v3(ob->orig, obtfm->orig);
2546         copy_v3_v3(ob->size, obtfm->size);
2547         copy_v3_v3(ob->dsize, obtfm->dsize);
2548         copy_v3_v3(ob->rot, obtfm->rot);
2549         copy_v3_v3(ob->drot, obtfm->drot);
2550         copy_qt_qt(ob->quat, obtfm->quat);
2551         copy_qt_qt(ob->dquat, obtfm->dquat);
2552         copy_v3_v3(ob->rotAxis, obtfm->rotAxis);
2553         copy_v3_v3(ob->drotAxis, obtfm->drotAxis);
2554         ob->rotAngle= obtfm->rotAngle;
2555         ob->drotAngle= obtfm->drotAngle;
2556         copy_m4_m4(ob->obmat, obtfm->obmat);
2557         copy_m4_m4(ob->parentinv, obtfm->parentinv);
2558         copy_m4_m4(ob->constinv, obtfm->constinv);
2559         copy_m4_m4(ob->imat, obtfm->imat);
2560 }
2561
2562 /* proxy rule: lib_object->proxy_from == the one we borrow from, only set temporal and cleared here */
2563 /*           local_object->proxy      == pointer to library object, saved in files and read */
2564
2565 /* function below is polluted with proxy exceptions, cleanup will follow! */
2566
2567 /* the main object update call, for object matrix, constraints, keys and displist (modifiers) */
2568 /* requires flags to be set! */
2569 void object_handle_update(Scene *scene, Object *ob)
2570 {
2571         if(ob->recalc & OB_RECALC_ALL) {
2572                 /* speed optimization for animation lookups */
2573                 if(ob->pose)
2574                         make_pose_channels_hash(ob->pose);
2575
2576                 if(ob->recalc & OB_RECALC_DATA) {
2577                         if(ob->type==OB_ARMATURE) {
2578                                 /* this happens for reading old files and to match library armatures
2579                                    with poses we do it ahead of where_is_object to ensure animation
2580                                    is evaluated on the rebuilt pose, otherwise we get incorrect poses
2581                                    on file load */
2582                                 if(ob->pose==NULL || (ob->pose->flag & POSE_RECALC))
2583                                         armature_rebuild_pose(ob, ob->data);
2584                         }
2585                 }
2586
2587                 /* XXX new animsys warning: depsgraph tag OB_RECALC_DATA should not skip drivers, 
2588                    which is only in where_is_object now */
2589                 // XXX: should this case be OB_RECALC_OB instead?
2590                 if(ob->recalc & OB_RECALC_ALL) {
2591                         
2592                         if (G.f & G_DEBUG)
2593                                 printf("recalcob %s\n", ob->id.name+2);
2594                         
2595                         /* handle proxy copy for target */
2596                         if(ob->id.lib && ob->proxy_from) {
2597                                 // printf("ob proxy copy, lib ob %s proxy %s\n", ob->id.name, ob->proxy_from->id.name);
2598                                 if(ob->proxy_from->proxy_group) {/* transform proxy into group space */
2599                                         Object *obg= ob->proxy_from->proxy_group;
2600                                         invert_m4_m4(obg->imat, obg->obmat);
2601                                         mul_m4_m4m4(ob->obmat, ob->proxy_from->obmat, obg->imat);
2602                                         if(obg->dup_group) { /* should always be true */
2603                                                 add_v3_v3(ob->obmat[3], obg->dup_group->dupli_ofs);
2604                                         }
2605                                 }
2606                                 else
2607                                         copy_m4_m4(ob->obmat, ob->proxy_from->obmat);
2608                         }
2609                         else
2610                                 where_is_object(scene, ob);
2611                 }
2612                 
2613                 if(ob->recalc & OB_RECALC_DATA) {
2614                         ID *data_id= (ID *)ob->data;
2615                         AnimData *adt= BKE_animdata_from_id(data_id);
2616                         float ctime= (float)scene->r.cfra; // XXX this is bad...
2617                         ListBase pidlist;
2618                         PTCacheID *pid;
2619                         
2620                         if (G.f & G_DEBUG)
2621                                 printf("recalcdata %s\n", ob->id.name+2);
2622
2623                         if(adt) {
2624                                 /* evaluate drivers */
2625                                 // XXX: for mesh types, should we push this to derivedmesh instead?
2626                                 BKE_animsys_evaluate_animdata(data_id, adt, ctime, ADT_RECALC_DRIVERS);
2627                         }
2628
2629                         /* includes all keys and modifiers */
2630                         switch(ob->type) {
2631                         case OB_MESH:
2632                                 {
2633 #if 0                           // XXX, comment for 2.56a release, background wont set 'scene->customdata_mask'
2634                                         EditMesh *em = (ob == scene->obedit)? BKE_mesh_get_editmesh(ob->data): NULL;
2635                                         BLI_assert((scene->customdata_mask & CD_MASK_BAREMESH) == CD_MASK_BAREMESH);
2636                                         if(em) {
2637                                                 makeDerivedMesh(scene, ob, em,  scene->customdata_mask); /* was CD_MASK_BAREMESH */
2638                                                 BKE_mesh_end_editmesh(ob->data, em);
2639                                         } else
2640                                                 makeDerivedMesh(scene, ob, NULL, scene->customdata_mask);
2641
2642 #else                           /* ensure CD_MASK_BAREMESH for now */
2643                                         EditMesh *em = (ob == scene->obedit)? BKE_mesh_get_editmesh(ob->data): NULL;
2644                                         unsigned int data_mask= scene->customdata_mask | ob->customdata_mask | CD_MASK_BAREMESH;
2645                                         if(em) {
2646                                                 makeDerivedMesh(scene, ob, em,  data_mask); /* was CD_MASK_BAREMESH */
2647                                                 BKE_mesh_end_editmesh(ob->data, em);
2648                                         } else
2649                                                 makeDerivedMesh(scene, ob, NULL, data_mask);
2650 #endif
2651
2652                                 }
2653                                 break;
2654
2655                         case OB_ARMATURE:
2656                                 if(ob->id.lib && ob->proxy_from) {
2657                                         // printf("pose proxy copy, lib ob %s proxy %s\n", ob->id.name, ob->proxy_from->id.name);
2658                                         copy_pose_result(ob->pose, ob->proxy_from->pose);
2659                                 }
2660                                 else {
2661                                         where_is_pose(scene, ob);
2662                                 }
2663                                 break;
2664
2665                         case OB_MBALL:
2666                                 makeDispListMBall(scene, ob);
2667                                 break;
2668
2669                         case OB_CURVE:
2670                         case OB_SURF:
2671                         case OB_FONT:
2672                                 makeDispListCurveTypes(scene, ob, 0);
2673                                 break;
2674                                 
2675                         case OB_LATTICE:
2676                                 lattice_calc_modifiers(scene, ob);
2677                                 break;
2678                         }
2679
2680
2681                         if(ob->particlesystem.first) {
2682                                 ParticleSystem *tpsys, *psys;
2683                                 DerivedMesh *dm;
2684                                 ob->transflag &= ~OB_DUPLIPARTS;
2685                                 
2686                                 psys= ob->particlesystem.first;
2687                                 while(psys) {
2688                                         if(psys_check_enabled(ob, psys)) {
2689                                                 /* check use of dupli objects here */
2690                                                 if(psys->part && (psys->part->draw_as == PART_DRAW_REND || G.rendering) &&
2691                                                         ((psys->part->ren_as == PART_DRAW_OB && psys->part->dup_ob)
2692                                                         || (psys->part->ren_as == PART_DRAW_GR && psys->part->dup_group)))
2693                                                         ob->transflag |= OB_DUPLIPARTS;
2694
2695                                                 particle_system_update(scene, ob, psys);
2696                                                 psys= psys->next;
2697                                         }
2698                                         else if(psys->flag & PSYS_DELETE) {
2699                                                 tpsys=psys->next;
2700                                                 BLI_remlink(&ob->particlesystem, psys);
2701                                                 psys_free(ob,psys);
2702                                                 psys= tpsys;
2703                                         }
2704                                         else
2705                                                 psys= psys->next;
2706                                 }
2707
2708                                 if(G.rendering && ob->transflag & OB_DUPLIPARTS) {
2709                                         /* this is to make sure we get render level duplis in groups:
2710                                          * the derivedmesh must be created before init_render_mesh,
2711                                          * since object_duplilist does dupliparticles before that */
2712                                         dm = mesh_create_derived_render(scene, ob, CD_MASK_BAREMESH|CD_MASK_MTFACE|CD_MASK_MCOL);
2713                                         dm->release(dm);
2714
2715                                         for(psys=ob->particlesystem.first; psys; psys=psys->next)
2716                                                 psys_get_modifier(ob, psys)->flag &= ~eParticleSystemFlag_psys_updated;
2717                                 }
2718                         }
2719
2720                         /* check if quick cache is needed */
2721                         BKE_ptcache_ids_from_object(&pidlist, ob, scene, MAX_DUPLI_RECUR);
2722
2723                         for(pid=pidlist.first; pid; pid=pid->next) {
2724                                 if((pid->cache->flag & PTCACHE_BAKED)
2725                                         || (pid->cache->flag & PTCACHE_QUICK_CACHE)==0)
2726                                         continue;
2727
2728                                 if(pid->cache->flag & PTCACHE_OUTDATED || (pid->cache->flag & PTCACHE_SIMULATION_VALID)==0) {
2729                                         scene->physics_settings.quick_cache_step =
2730                                                 scene->physics_settings.quick_cache_step ?
2731                                                 MIN2(scene->physics_settings.quick_cache_step, pid->cache->step) :
2732                                                 pid->cache->step;
2733                                 }
2734                         }
2735
2736                         BLI_freelistN(&pidlist);
2737                 }
2738
2739                 /* the no-group proxy case, we call update */
2740                 if(ob->proxy && ob->proxy_group==NULL) {
2741                         /* set pointer in library proxy target, for copying, but restore it */
2742                         ob->proxy->proxy_from= ob;
2743                         // printf("call update, lib ob %s proxy %s\n", ob->proxy->id.name, ob->id.name);
2744                         object_handle_update(scene, ob->proxy);
2745                 }
2746         
2747                 ob->recalc &= ~OB_RECALC_ALL;
2748         }
2749
2750         /* the case when this is a group proxy, object_update is called in group.c */
2751         if(ob->proxy) {
2752                 ob->proxy->proxy_from= ob;
2753                 // printf("set proxy pointer for later group stuff %s\n", ob->id.name);
2754         }
2755 }
2756
2757 float give_timeoffset(Object *ob) {
2758         if ((ob->ipoflag & OB_OFFS_PARENTADD) && ob->parent) {
2759                 return ob->sf + give_timeoffset(ob->parent);
2760         } else {
2761                 return ob->sf;
2762         }
2763 }
2764
2765 int give_obdata_texspace(Object *ob, short **texflag, float **loc, float **size, float **rot) {
2766         
2767         if (ob->data==NULL)
2768                 return 0;
2769         
2770         switch (GS(((ID *)ob->data)->name)) {
2771         case ID_ME:
2772         {
2773                 Mesh *me= ob->data;
2774                 if (texflag)    *texflag = &me->texflag;
2775                 if (loc)                *loc = me->loc;
2776                 if (size)               *size = me->size;
2777                 if (rot)                *rot = me->rot;
2778                 break;
2779         }
2780         case ID_CU:
2781         {
2782                 Curve *cu= ob->data;
2783                 if (texflag)    *texflag = &cu->texflag;
2784                 if (loc)                *loc = cu->loc;
2785                 if (size)               *size = cu->size;
2786                 if (rot)                *rot = cu->rot;
2787                 break;
2788         }
2789         case ID_MB:
2790         {
2791                 MetaBall *mb= ob->data;
2792                 if (texflag)    *texflag = &mb->texflag;
2793                 if (loc)                *loc = mb->loc;
2794                 if (size)               *size = mb->size;
2795                 if (rot)                *rot = mb->rot;
2796                 break;
2797         }
2798         default:
2799                 return 0;
2800         }
2801         return 1;
2802 }
2803
2804 /*
2805  * Test a bounding box for ray intersection
2806  * assumes the ray is already local to the boundbox space
2807  */
2808 int ray_hit_boundbox(struct BoundBox *bb, float ray_start[3], float ray_normal[3])
2809 {
2810         static int triangle_indexes[12][3] = {{0, 1, 2}, {0, 2, 3},
2811                                                                                   {3, 2, 6}, {3, 6, 7},
2812                                                                                   {1, 2, 6}, {1, 6, 5}, 
2813                                                                                   {5, 6, 7}, {4, 5, 7},
2814                                                                                   {0, 3, 7}, {0, 4, 7},
2815                                                                                   {0, 1, 5}, {0, 4, 5}};
2816         int result = 0;
2817         int i;
2818         
2819         for (i = 0; i < 12 && result == 0; i++)
2820         {
2821                 float lambda;
2822                 int v1, v2, v3;
2823                 v1 = triangle_indexes[i][0];
2824                 v2 = triangle_indexes[i][1];
2825                 v3 = triangle_indexes[i][2];
2826                 result = isect_ray_tri_v3(ray_start, ray_normal, bb->vec[v1], bb->vec[v2], bb->vec[v3], &lambda, NULL);
2827         }
2828         
2829         return result;
2830 }
2831
2832 static int pc_cmp(void *a, void *b)
2833 {
2834         LinkData *ad = a, *bd = b;
2835         if(GET_INT_FROM_POINTER(ad->data) > GET_INT_FROM_POINTER(bd->data))
2836                 return 1;
2837         else return 0;
2838 }
2839
2840 int object_insert_ptcache(Object *ob) 
2841 {
2842         LinkData *link = NULL;
2843         int i = 0;
2844
2845         BLI_sortlist(&ob->pc_ids, pc_cmp);
2846
2847         for(link=ob->pc_ids.first, i = 0; link; link=link->next, i++) 
2848         {
2849                 int index = GET_INT_FROM_POINTER(link->data);
2850
2851                 if(i < index)
2852                         break;
2853         }
2854
2855         link = MEM_callocN(sizeof(LinkData), "PCLink");
2856         link->data = SET_INT_IN_POINTER(i);
2857         BLI_addtail(&ob->pc_ids, link);
2858
2859         return i;
2860 }
2861
2862 void object_camera_mode(RenderData *rd, Object *camera)
2863 {
2864         rd->mode &= ~(R_ORTHO|R_PANORAMA);
2865         if(camera && camera->type==OB_CAMERA) {
2866                 Camera *cam= camera->data;
2867                 if(cam->type == CAM_ORTHO) rd->mode |= R_ORTHO;
2868                 if(cam->flag & CAM_PANORAMA) rd->mode |= R_PANORAMA;
2869         }
2870 }
2871
2872 /* 'lens' may be set for envmap only */
2873 void object_camera_matrix(
2874                 RenderData *rd, Object *camera, int winx, int winy, short field_second,
2875                 float winmat[][4], rctf *viewplane, float *clipsta, float *clipend, float *lens, float *ycor,
2876                 float *viewdx, float *viewdy
2877 ) {
2878         Camera *cam=NULL;
2879         float pixsize;
2880         float shiftx=0.0, shifty=0.0, winside, viewfac;
2881         short is_ortho= FALSE;
2882
2883         /* question mark */
2884         (*ycor)= rd->yasp / rd->xasp;
2885         if(rd->mode & R_FIELDS)
2886                 (*ycor) *= 2.0f;
2887
2888         if(camera->type==OB_CAMERA) {
2889                 cam= camera->data;
2890
2891                 if(cam->type == CAM_ORTHO) {
2892                         is_ortho= TRUE;
2893                 }
2894
2895                 /* solve this too... all time depending stuff is in convertblender.c?
2896                  * Need to update the camera early because it's used for projection matrices
2897                  * and other stuff BEFORE the animation update loop is done
2898                  * */
2899 #if 0 // XXX old animation system
2900                 if(cam->ipo) {
2901                         calc_ipo(cam->ipo, frame_to_float(re->scene, re->r.cfra));
2902                         execute_ipo(&cam->id, cam->ipo);
2903                 }
2904 #endif // XXX old animation system
2905                 shiftx=cam->shiftx;
2906                 shifty=cam->shifty;
2907                 (*lens)= cam->lens;
2908                 (*clipsta)= cam->clipsta;
2909                 (*clipend)= cam->clipend;
2910         }
2911         else if(camera->type==OB_LAMP) {
2912                 Lamp *la= camera->data;
2913                 float fac= cosf((float)M_PI*la->spotsize/360.0f);
2914                 float phi= acos(fac);
2915
2916                 (*lens)= 16.0f*fac/sinf(phi);
2917                 if((*lens)==0.0f)
2918                         (*lens)= 35.0f;
2919                 (*clipsta)= la->clipsta;
2920                 (*clipend)= la->clipend;
2921         }
2922         else {  /* envmap exception... */;
2923                 if((*lens)==0.0f)
2924                         (*lens)= 16.0f;
2925
2926                 if((*clipsta)==0.0f || (*clipend)==0.0f) {
2927                         (*clipsta)= 0.1f;
2928                         (*clipend)= 1000.0f;
2929                 }
2930         }
2931
2932         /* ortho only with camera available */
2933         if(cam && is_ortho) {
2934                 if(rd->xasp*winx >= rd->yasp*winy) {
2935                         viewfac= winx;
2936                 }
2937                 else {
2938                         viewfac= (*ycor) * winy;
2939                 }
2940                 /* ortho_scale == 1.0 means exact 1 to 1 mapping */
2941                 pixsize= cam->ortho_scale/viewfac;
2942         }
2943         else {
2944                 if(rd->xasp*winx >= rd->yasp*winy)      viewfac= ((*lens) * winx)/32.0f;
2945                 else                                                            viewfac= (*ycor) * ((*lens) * winy)/32.0f;
2946                 pixsize= (*clipsta) / viewfac;
2947         }
2948
2949         /* viewplane fully centered, zbuffer fills in jittered between -.5 and +.5 */
2950         winside= MAX2(winx, winy);
2951         viewplane->xmin= -0.5f*(float)winx + shiftx*winside;
2952         viewplane->ymin= -0.5f*(*ycor)*(float)winy + shifty*winside;
2953         viewplane->xmax=  0.5f*(float)winx + shiftx*winside;
2954         viewplane->ymax=  0.5f*(*ycor)*(float)winy + shifty*winside;
2955
2956         if(field_second) {
2957                 if(rd->mode & R_ODDFIELD) {
2958                         viewplane->ymin-= 0.5f * (*ycor);
2959                         viewplane->ymax-= 0.5f * (*ycor);
2960                 }
2961                 else {
2962                         viewplane->ymin+= 0.5f * (*ycor);
2963                         viewplane->ymax+= 0.5f * (*ycor);
2964                 }
2965         }
2966         /* the window matrix is used for clipping, and not changed during OSA steps */
2967         /* using an offset of +0.5 here would give clip errors on edges */
2968         viewplane->xmin *= pixsize;
2969         viewplane->xmax *= pixsize;
2970         viewplane->ymin *= pixsize;
2971         viewplane->ymax *= pixsize;
2972
2973         (*viewdx)= pixsize;
2974         (*viewdy)= (*ycor) * pixsize;
2975
2976         if(is_ortho)
2977                 orthographic_m4(winmat, viewplane->xmin, viewplane->xmax, viewplane->ymin, viewplane->ymax, *clipsta, *clipend);
2978         else
2979                 perspective_m4(winmat, viewplane->xmin, viewplane->xmax, viewplane->ymin, viewplane->ymax, *clipsta, *clipend);
2980
2981 }
2982
2983 #if 0
2984 static int pc_findindex(ListBase *listbase, int index)
2985 {
2986         LinkData *link= NULL;
2987         int number= 0;
2988         
2989         if (listbase == NULL) return -1;
2990         
2991         link= listbase->first;
2992         while (link) {
2993                 if ((int)link->data == index)
2994                         return number;
2995                 
2996                 number++;
2997                 link= link->next;
2998         }
2999         
3000         return -1;
3001 }
3002
3003 void object_delete_ptcache(Object *ob, int index) 
3004 {
3005         int list_index = pc_findindex(&ob->pc_ids, index);
3006         LinkData *link = BLI_findlink(&ob->pc_ids, list_index);
3007         BLI_freelinkN(&ob->pc_ids, link);
3008 }
3009 #endif
3010
3011 /* shape key utility function */
3012
3013 /************************* Mesh ************************/
3014 static KeyBlock *insert_meshkey(Scene *scene, Object *ob, const char *name, int from_mix)
3015 {
3016         Mesh *me= ob->data;
3017         Key *key= me->key;
3018         KeyBlock *kb;
3019         int newkey= 0;
3020
3021         if(key == NULL) {
3022                 key= me->key= add_key((ID *)me);
3023                 key->type= KEY_RELATIVE;
3024                 newkey= 1;
3025         }
3026
3027         if(newkey || from_mix==FALSE) {
3028                 /* create from mesh */
3029                 kb= add_keyblock(key, name);
3030                 mesh_to_key(me, kb);
3031         }
3032         else {
3033                 /* copy from current values */
3034                 float *data= do_ob_key(scene, ob);
3035
3036                 /* create new block with prepared data */
3037                 kb= add_keyblock(key, name);
3038                 kb->data= data;
3039                 kb->totelem= me->totvert;
3040         }
3041
3042         return kb;
3043 }
3044 /************************* Lattice ************************/
3045 static KeyBlock *insert_lattkey(Scene *scene, Object *ob, const char *name, int from_mix)
3046 {
3047         Lattice *lt= ob->data;
3048         Key *key= lt->key;
3049         KeyBlock *kb;
3050         int newkey= 0;
3051
3052         if(key==NULL) {
3053                 key= lt->key= add_key( (ID *)lt);
3054                 key->type= KEY_RELATIVE;
3055                 newkey= 1;
3056         }
3057
3058         if(newkey || from_mix==FALSE) {
3059                 kb= add_keyblock(key, name);
3060                 if (!newkey) {
3061                         KeyBlock *basekb= (KeyBlock *)key->block.first;
3062                         kb->data= MEM_dupallocN(basekb->data);
3063                         kb->totelem= basekb->totelem;
3064                 }
3065                 else {
3066                         latt_to_key(lt, kb);
3067                 }
3068         }
3069         else {
3070                 /* copy from current values */
3071                 float *data= do_ob_key(scene, ob);
3072
3073                 /* create new block with prepared data */
3074                 kb= add_keyblock(key, name);
3075                 kb->totelem= lt->pntsu*lt->pntsv*lt->pntsw;
3076                 kb->data= data;
3077         }
3078
3079         return kb;
3080 }
3081 /************************* Curve ************************/
3082 static KeyBlock *insert_curvekey(Scene *scene, Object *ob, const char *name, int from_mix)
3083 {
3084         Curve *cu= ob->data;
3085         Key *key= cu->key;
3086         KeyBlock *kb;
3087         ListBase *lb= BKE_curve_nurbs(cu);
3088         int newkey= 0;
3089
3090         if(key==NULL) {
3091                 key= cu->key= add_key( (ID *)cu);
3092                 key->type = KEY_RELATIVE;
3093                 newkey= 1;
3094         }
3095
3096         if(newkey || from_mix==FALSE) {
3097                 /* create from curve */
3098                 kb= add_keyblock(key, name);
3099                 if (!newkey) {
3100                         KeyBlock *basekb= (KeyBlock *)key->block.first;
3101                         kb->data= MEM_dupallocN(basekb->data);
3102                         kb->totelem= basekb->totelem;
3103                 }
3104                 else {
3105                         curve_to_key(cu, kb, lb);
3106                 }
3107         }
3108         else {
3109                 /* copy from current values */
3110                 float *data= do_ob_key(scene, ob);
3111
3112                 /* create new block with prepared data */
3113                 kb= add_keyblock(key, name);
3114                 kb->totelem= count_curveverts(lb);
3115                 kb->data= data;
3116         }
3117
3118         return kb;
3119 }
3120
3121 KeyBlock *object_insert_shape_key(Scene *scene, Object *ob, const char *name, int from_mix)
3122 {
3123         if(ob->type==OB_MESH)                                    return insert_meshkey(scene, ob, name, from_mix);
3124         else if ELEM(ob->type, OB_CURVE, OB_SURF)return insert_curvekey(scene, ob, name, from_mix);
3125         else if(ob->type==OB_LATTICE)                    return insert_lattkey(scene, ob, name, from_mix);
3126         else                                                                     return NULL;
3127 }
3128
3129 /* most important if this is modified it should _always_ return True, in certain
3130  * cases false positives are hard to avoid (shape keys for eg)
3131  */
3132 int object_is_modified(Scene *scene, Object *ob)
3133 {
3134         int flag= 0;
3135
3136         if(ob_get_key(ob)) {
3137                 flag |= eModifierMode_Render | eModifierMode_Render;
3138         }
3139         else {
3140                 ModifierData *md;
3141                 /* cloth */
3142                 for(md=modifiers_getVirtualModifierList(ob); md && (flag != (eModifierMode_Render | eModifierMode_Realtime)); md=md->next) {
3143                         if((flag & eModifierMode_Render) == 0   && modifier_isEnabled(scene, md, eModifierMode_Render))         flag |= eModifierMode_Render;
3144                         if((flag & eModifierMode_Realtime) == 0 && modifier_isEnabled(scene, md, eModifierMode_R