synched with trunk at revision 37212
[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         ob->obstacleRad = 1.;
1082         
1083         /* NT fluid sim defaults */
1084         ob->fluidsimFlag = 0;
1085         ob->fluidsimSettings = NULL;
1086
1087         ob->pc_ids.first = ob->pc_ids.last = NULL;
1088         
1089         /* Animation Visualisation defaults */
1090         animviz_settings_init(&ob->avs);
1091
1092         return ob;
1093 }
1094
1095 /* general add: to scene, with layer from area and default name */
1096 /* creates minimum required data, but without vertices etc. */
1097 Object *add_object(struct Scene *scene, int type)
1098 {
1099         Object *ob;
1100         Base *base;
1101         char name[32];
1102
1103         BLI_strncpy(name, get_obdata_defname(type), sizeof(name));
1104         ob = add_only_object(type, name);
1105
1106         ob->data= add_obdata_from_type(type);
1107
1108         ob->lay= scene->lay;
1109         
1110         base= scene_add_base(scene, ob);
1111         scene_select_base(scene, base);
1112         ob->recalc |= OB_RECALC_OB|OB_RECALC_DATA|OB_RECALC_TIME;
1113
1114         return ob;
1115 }
1116
1117 SoftBody *copy_softbody(SoftBody *sb)
1118 {
1119         SoftBody *sbn;
1120         
1121         if (sb==NULL) return(NULL);
1122         
1123         sbn= MEM_dupallocN(sb);
1124         sbn->totspring= sbn->totpoint= 0;
1125         sbn->bpoint= NULL;
1126         sbn->bspring= NULL;
1127         
1128         sbn->keys= NULL;
1129         sbn->totkey= sbn->totpointkey= 0;
1130         
1131         sbn->scratch= NULL;
1132
1133         sbn->pointcache= BKE_ptcache_copy_list(&sbn->ptcaches, &sb->ptcaches);
1134
1135         if(sb->effector_weights)
1136                 sbn->effector_weights = MEM_dupallocN(sb->effector_weights);
1137
1138         return sbn;
1139 }
1140
1141 BulletSoftBody *copy_bulletsoftbody(BulletSoftBody *bsb)
1142 {
1143         BulletSoftBody *bsbn;
1144
1145         if (bsb == NULL)
1146                 return NULL;
1147         bsbn = MEM_dupallocN(bsb);
1148         /* no pointer in this structure yet */
1149         return bsbn;
1150 }
1151
1152 static ParticleSystem *copy_particlesystem(ParticleSystem *psys)
1153 {
1154         ParticleSystem *psysn;
1155         ParticleData *pa;
1156         int p;
1157
1158         psysn= MEM_dupallocN(psys);
1159         psysn->particles= MEM_dupallocN(psys->particles);
1160         psysn->child= MEM_dupallocN(psys->child);
1161
1162         if(psys->part->type == PART_HAIR) {
1163                 for(p=0, pa=psysn->particles; p<psysn->totpart; p++, pa++)
1164                         pa->hair = MEM_dupallocN(pa->hair);
1165         }
1166
1167         if(psysn->particles && (psysn->particles->keys || psysn->particles->boid)) {
1168                 ParticleKey *key = psysn->particles->keys;
1169                 BoidParticle *boid = psysn->particles->boid;
1170
1171                 if(key)
1172                         key = MEM_dupallocN(key);
1173                 
1174                 if(boid)
1175                         boid = MEM_dupallocN(boid);
1176                 
1177                 for(p=0, pa=psysn->particles; p<psysn->totpart; p++, pa++) {
1178                         if(boid)
1179                                 pa->boid = boid++;
1180                         if(key) {
1181                                 pa->keys = key;
1182                                 key += pa->totkey;
1183                         }
1184                 }
1185         }
1186
1187         if(psys->clmd) {
1188                 psysn->clmd = (ClothModifierData *)modifier_new(eModifierType_Cloth);
1189                 modifier_copyData((ModifierData*)psys->clmd, (ModifierData*)psysn->clmd);
1190                 psys->hair_in_dm = psys->hair_out_dm = NULL;
1191         }
1192
1193         BLI_duplicatelist(&psysn->targets, &psys->targets);
1194
1195         psysn->pathcache= NULL;
1196         psysn->childcache= NULL;
1197         psysn->edit= NULL;
1198         psysn->frand= NULL;
1199         psysn->pdd= NULL;
1200         psysn->effectors= NULL;
1201         
1202         psysn->pathcachebufs.first = psysn->pathcachebufs.last = NULL;
1203         psysn->childcachebufs.first = psysn->childcachebufs.last = NULL;
1204         psysn->renderdata = NULL;
1205         
1206         psysn->pointcache= BKE_ptcache_copy_list(&psysn->ptcaches, &psys->ptcaches);
1207
1208         /* XXX - from reading existing code this seems correct but intended usage of
1209          * pointcache should /w cloth should be added in 'ParticleSystem' - campbell */
1210         if(psysn->clmd) {
1211                 psysn->clmd->point_cache= psysn->pointcache;
1212         }
1213
1214         id_us_plus((ID *)psysn->part);
1215
1216         return psysn;
1217 }
1218
1219 void copy_object_particlesystems(Object *obn, Object *ob)
1220 {
1221         ParticleSystemModifierData *psmd;
1222         ParticleSystem *psys, *npsys;
1223         ModifierData *md;
1224
1225         obn->particlesystem.first= obn->particlesystem.last= NULL;
1226         for(psys=ob->particlesystem.first; psys; psys=psys->next) {
1227                 npsys= copy_particlesystem(psys);
1228
1229                 BLI_addtail(&obn->particlesystem, npsys);
1230
1231                 /* need to update particle modifiers too */
1232                 for(md=obn->modifiers.first; md; md=md->next) {
1233                         if(md->type==eModifierType_ParticleSystem) {
1234                                 psmd= (ParticleSystemModifierData*)md;
1235                                 if(psmd->psys==psys)
1236                                         psmd->psys= npsys;
1237                         }
1238                 }
1239         }
1240 }
1241
1242 void copy_object_softbody(Object *obn, Object *ob)
1243 {
1244         if(ob->soft)
1245                 obn->soft= copy_softbody(ob->soft);
1246 }
1247
1248 static void copy_object_pose(Object *obn, Object *ob)
1249 {
1250         bPoseChannel *chan;
1251         
1252         /* note: need to clear obn->pose pointer first, so that copy_pose works (otherwise there's a crash) */
1253         obn->pose= NULL;
1254         copy_pose(&obn->pose, ob->pose, 1);     /* 1 = copy constraints */
1255
1256         for (chan = obn->pose->chanbase.first; chan; chan=chan->next){
1257                 bConstraint *con;
1258                 
1259                 chan->flag &= ~(POSE_LOC|POSE_ROT|POSE_SIZE);
1260                 
1261                 for (con= chan->constraints.first; con; con= con->next) {
1262                         bConstraintTypeInfo *cti= constraint_get_typeinfo(con);
1263                         ListBase targets = {NULL, NULL};
1264                         bConstraintTarget *ct;
1265                         
1266 #if 0 // XXX old animation system
1267                         /* note that we can't change lib linked ipo blocks. for making
1268                          * proxies this still works correct however because the object
1269                          * is changed to object->proxy_from when evaluating the driver. */
1270                         if(con->ipo && !con->ipo->id.lib) {
1271                                 IpoCurve *icu;
1272                                 
1273                                 con->ipo= copy_ipo(con->ipo);
1274                                 
1275                                 for(icu= con->ipo->curve.first; icu; icu= icu->next) {
1276                                         if(icu->driver && icu->driver->ob==ob)
1277                                                 icu->driver->ob= obn;
1278                                 }
1279                         }
1280 #endif // XXX old animation system
1281                         
1282                         if (cti && cti->get_constraint_targets) {
1283                                 cti->get_constraint_targets(con, &targets);
1284                                 
1285                                 for (ct= targets.first; ct; ct= ct->next) {
1286                                         if (ct->tar == ob)
1287                                                 ct->tar = obn;
1288                                 }
1289                                 
1290                                 if (cti->flush_constraint_targets)
1291                                         cti->flush_constraint_targets(con, &targets, 0);
1292                         }
1293                 }
1294         }
1295 }
1296
1297 static void copy_object_transform(Object *ob_tar, Object *ob_src)
1298 {
1299         copy_v3_v3(ob_tar->loc, ob_src->loc);
1300         copy_v3_v3(ob_tar->rot, ob_src->rot);
1301         copy_v3_v3(ob_tar->quat, ob_src->quat);
1302         copy_v3_v3(ob_tar->rotAxis, ob_src->rotAxis);
1303         ob_tar->rotAngle= ob_src->rotAngle;
1304         ob_tar->rotmode= ob_src->rotmode;
1305         copy_v3_v3(ob_tar->size, ob_src->size);
1306 }
1307
1308 Object *copy_object(Object *ob)
1309 {
1310         Object *obn;
1311         ModifierData *md;
1312         int a;
1313
1314         obn= copy_libblock(ob);
1315         
1316         if(ob->totcol) {
1317                 obn->mat= MEM_dupallocN(ob->mat);
1318                 obn->matbits= MEM_dupallocN(ob->matbits);
1319                 obn->totcol= ob->totcol;
1320         }
1321         
1322         if(ob->bb) obn->bb= MEM_dupallocN(ob->bb);
1323         obn->path= NULL;
1324         obn->flag &= ~OB_FROMGROUP;
1325         
1326         obn->modifiers.first = obn->modifiers.last= NULL;
1327         
1328         for (md=ob->modifiers.first; md; md=md->next) {
1329                 ModifierData *nmd = modifier_new(md->type);
1330                 BLI_strncpy(nmd->name, md->name, sizeof(nmd->name));
1331                 modifier_copyData(md, nmd);
1332                 BLI_addtail(&obn->modifiers, nmd);
1333         }
1334
1335         obn->prop.first = obn->prop.last = NULL;
1336         copy_properties(&obn->prop, &ob->prop);
1337         
1338         copy_sensors(&obn->sensors, &ob->sensors);
1339         copy_controllers(&obn->controllers, &ob->controllers);
1340         copy_actuators(&obn->actuators, &ob->actuators);
1341         
1342         if(ob->pose) {
1343                 copy_object_pose(obn, ob);
1344                 /* backwards compat... non-armatures can get poses in older files? */
1345                 if(ob->type==OB_ARMATURE)
1346                         armature_rebuild_pose(obn, obn->data);
1347         }
1348         defgroup_copy_list(&obn->defbase, &ob->defbase);
1349         copy_constraints(&obn->constraints, &ob->constraints, TRUE);
1350
1351         obn->mode = 0;
1352         obn->sculpt = NULL;
1353
1354         /* increase user numbers */
1355         id_us_plus((ID *)obn->data);
1356         id_us_plus((ID *)obn->gpd);
1357         id_lib_extern((ID *)obn->dup_group);
1358
1359         for(a=0; a<obn->totcol; a++) id_us_plus((ID *)obn->mat[a]);
1360         
1361         obn->disp.first= obn->disp.last= NULL;
1362         
1363         if(ob->pd){
1364                 obn->pd= MEM_dupallocN(ob->pd);
1365                 if(obn->pd->tex)
1366                         id_us_plus(&(obn->pd->tex->id));
1367                 if(obn->pd->rng)
1368                         obn->pd->rng = MEM_dupallocN(ob->pd->rng);
1369         }
1370         obn->soft= copy_softbody(ob->soft);
1371         obn->bsoft = copy_bulletsoftbody(ob->bsoft);
1372
1373         copy_object_particlesystems(obn, ob);
1374         
1375         obn->derivedDeform = NULL;
1376         obn->derivedFinal = NULL;
1377
1378         obn->gpulamp.first = obn->gpulamp.last = NULL;
1379         obn->pc_ids.first = obn->pc_ids.last = NULL;
1380
1381         obn->mpath= NULL;
1382         
1383         return obn;
1384 }
1385
1386 static void extern_local_object(Object *ob)
1387 {
1388         //bActionStrip *strip;
1389         ParticleSystem *psys;
1390
1391 #if 0 // XXX old animation system
1392         id_lib_extern((ID *)ob->action);
1393         id_lib_extern((ID *)ob->ipo);
1394 #endif // XXX old animation system
1395         id_lib_extern((ID *)ob->data);
1396         id_lib_extern((ID *)ob->dup_group);
1397         id_lib_extern((ID *)ob->poselib);
1398         id_lib_extern((ID *)ob->gpd);
1399
1400         extern_local_matarar(ob->mat, ob->totcol);
1401
1402 #if 0 // XXX old animation system
1403         for (strip=ob->nlastrips.first; strip; strip=strip->next) {
1404                 id_lib_extern((ID *)strip->act);
1405         }
1406 #endif // XXX old animation system
1407         for(psys=ob->particlesystem.first; psys; psys=psys->next)
1408                 id_lib_extern((ID *)psys->part);
1409 }
1410
1411 void make_local_object(Object *ob)
1412 {
1413         Main *bmain= G.main;
1414         Scene *sce;
1415         Base *base;
1416         int local=0, lib=0;
1417
1418         /* - only lib users: do nothing
1419          * - only local users: set flag
1420          * - mixed: make copy
1421          */
1422
1423         if(ob->id.lib==NULL) return;
1424         
1425         ob->proxy= ob->proxy_from= NULL;
1426         
1427         if(ob->id.us==1) {
1428                 ob->id.lib= NULL;
1429                 ob->id.flag= LIB_LOCAL;
1430                 new_id(&bmain->object, (ID *)ob, NULL);
1431         }
1432         else {
1433                 for(sce= bmain->scene.first; sce && ELEM(0, lib, local); sce= sce->id.next) {
1434                         if(object_in_scene(ob, sce)) {
1435                                 if(sce->id.lib) lib= 1;
1436                                 else local= 1;
1437                         }
1438                 }
1439
1440                 if(local && lib==0) {
1441                         ob->id.lib= NULL;
1442                         ob->id.flag= LIB_LOCAL;
1443                         new_id(&bmain->object, (ID *)ob, NULL);
1444                 }
1445                 else if(local && lib) {
1446                         Object *obn= copy_object(ob);
1447                         obn->id.us= 0;
1448                         
1449                         sce= bmain->scene.first;
1450                         while(sce) {
1451                                 if(sce->id.lib==NULL) {
1452                                         base= sce->base.first;
1453                                         while(base) {
1454                                                 if(base->object==ob) {
1455                                                         base->object= obn;
1456                                                         obn->id.us++;
1457                                                         ob->id.us--;
1458                                                 }
1459                                                 base= base->next;
1460                                         }
1461                                 }
1462                                 sce= sce->id.next;
1463                         }
1464                 }
1465         }
1466         
1467         extern_local_object(ob);
1468 }
1469
1470 /*
1471  * Returns true if the Object is a from an external blend file (libdata)
1472  */
1473 int object_is_libdata(Object *ob)
1474 {
1475         if (!ob) return 0;
1476         if (ob->proxy) return 0;
1477         if (ob->id.lib) return 1;
1478         return 0;
1479 }
1480
1481 /* Returns true if the Object data is a from an external blend file (libdata) */
1482 int object_data_is_libdata(Object *ob)
1483 {
1484         if(!ob) return 0;
1485         if(ob->proxy && (ob->data==NULL || ((ID *)ob->data)->lib==NULL)) return 0;
1486         if(ob->id.lib) return 1;
1487         if(ob->data==NULL) return 0;
1488         if(((ID *)ob->data)->lib) return 1;
1489
1490         return 0;
1491 }
1492
1493 /* *************** PROXY **************** */
1494
1495 /* when you make proxy, ensure the exposed layers are extern */
1496 static void armature_set_id_extern(Object *ob)
1497 {
1498         bArmature *arm= ob->data;
1499         bPoseChannel *pchan;
1500         unsigned int lay= arm->layer_protected;
1501         
1502         for (pchan = ob->pose->chanbase.first; pchan; pchan=pchan->next) {
1503                 if(!(pchan->bone->layer & lay))
1504                         id_lib_extern((ID *)pchan->custom);
1505         }
1506                         
1507 }
1508
1509 void object_copy_proxy_drivers(Object *ob, Object *target)
1510 {
1511         if ((target->adt) && (target->adt->drivers.first)) {
1512                 FCurve *fcu;
1513                 
1514                 /* add new animdata block */
1515                 if(!ob->adt)
1516                         ob->adt= BKE_id_add_animdata(&ob->id);
1517                 
1518                 /* make a copy of all the drivers (for now), then correct any links that need fixing */
1519                 free_fcurves(&ob->adt->drivers);
1520                 copy_fcurves(&ob->adt->drivers, &target->adt->drivers);
1521                 
1522                 for (fcu= ob->adt->drivers.first; fcu; fcu= fcu->next) {
1523                         ChannelDriver *driver= fcu->driver;
1524                         DriverVar *dvar;
1525                         
1526                         for (dvar= driver->variables.first; dvar; dvar= dvar->next) {
1527                                 /* all drivers */
1528                                 DRIVER_TARGETS_LOOPER(dvar) 
1529                                 {
1530                                         if(dtar->id) {
1531                                                 if ((Object *)dtar->id == target)
1532                                                         dtar->id= (ID *)ob;
1533                                                 else {
1534                                                         /* only on local objects because this causes indirect links a -> b -> c,blend to point directly to a.blend
1535                                                          * when a.blend has a proxy thats linked into c.blend  */
1536                                                         if(ob->id.lib==NULL)
1537                                                                 id_lib_extern((ID *)dtar->id);
1538                                                 }
1539                                         }
1540                                 }
1541                                 DRIVER_TARGETS_LOOPER_END
1542                         }
1543                 }
1544         }
1545 }
1546
1547 /* proxy rule: lib_object->proxy_from == the one we borrow from, set temporally while object_update */
1548 /*             local_object->proxy == pointer to library object, saved in files and read */
1549 /*             local_object->proxy_group == pointer to group dupli-object, saved in files and read */
1550
1551 void object_make_proxy(Object *ob, Object *target, Object *gob)
1552 {
1553         /* paranoia checks */
1554         if(ob->id.lib || target->id.lib==NULL) {
1555                 printf("cannot make proxy\n");
1556                 return;
1557         }
1558         
1559         ob->proxy= target;
1560         ob->proxy_group= gob;
1561         id_lib_extern(&target->id);
1562         
1563         ob->recalc= target->recalc= OB_RECALC_OB|OB_RECALC_DATA|OB_RECALC_TIME;
1564         
1565         /* copy transform
1566          * - gob means this proxy comes from a group, just apply the matrix
1567          *   so the object wont move from its dupli-transform.
1568          *
1569          * - no gob means this is being made from a linked object,
1570          *   this is closer to making a copy of the object - in-place. */
1571         if(gob) {
1572                 ob->rotmode= target->rotmode;
1573                 mul_m4_m4m4(ob->obmat, target->obmat, gob->obmat);
1574                 if(gob->dup_group) { /* should always be true */
1575                         float tvec[3];
1576                         copy_v3_v3(tvec, gob->dup_group->dupli_ofs);
1577                         mul_mat3_m4_v3(ob->obmat, tvec);
1578                         sub_v3_v3(ob->obmat[3], tvec);
1579                 }
1580                 object_apply_mat4(ob, ob->obmat, FALSE, TRUE);
1581         }
1582         else {
1583                 copy_object_transform(ob, target);
1584                 ob->parent= target->parent;     /* libdata */
1585                 copy_m4_m4(ob->parentinv, target->parentinv);
1586         }
1587         
1588         /* copy animdata stuff - drivers only for now... */
1589         object_copy_proxy_drivers(ob, target);
1590
1591         /* skip constraints? */
1592         // FIXME: this is considered by many as a bug
1593         
1594         /* set object type and link to data */
1595         ob->type= target->type;
1596         ob->data= target->data;
1597         id_us_plus((ID *)ob->data);             /* ensures lib data becomes LIB_EXTERN */
1598         
1599         /* copy material and index information */
1600         ob->actcol= ob->totcol= 0;
1601         if(ob->mat) MEM_freeN(ob->mat);
1602         if(ob->matbits) MEM_freeN(ob->matbits);
1603         ob->mat = NULL;
1604         ob->matbits= NULL;
1605         if ((target->totcol) && (target->mat) && ELEM5(ob->type, OB_MESH, OB_CURVE, OB_SURF, OB_FONT, OB_MBALL)) { //XXX OB_SUPPORT_MATERIAL
1606                 int i;
1607                 ob->colbits = target->colbits;
1608                 
1609                 ob->actcol= target->actcol;
1610                 ob->totcol= target->totcol;
1611                 
1612                 ob->mat = MEM_dupallocN(target->mat);
1613                 ob->matbits = MEM_dupallocN(target->matbits);
1614                 for(i=0; i<target->totcol; i++) {
1615                         /* dont need to run test_object_materials since we know this object is new and not used elsewhere */
1616                         id_us_plus((ID *)ob->mat[i]); 
1617                 }
1618         }
1619         
1620         /* type conversions */
1621         if(target->type == OB_ARMATURE) {
1622                 copy_object_pose(ob, target);   /* data copy, object pointers in constraints */
1623                 rest_pose(ob->pose);                    /* clear all transforms in channels */
1624                 armature_rebuild_pose(ob, ob->data);    /* set all internal links */
1625                 
1626                 armature_set_id_extern(ob);
1627         }
1628         else if (target->type == OB_EMPTY) {
1629                 ob->empty_drawtype = target->empty_drawtype;
1630                 ob->empty_drawsize = target->empty_drawsize;
1631         }
1632
1633         /* copy IDProperties */
1634         if(ob->id.properties) {
1635                 IDP_FreeProperty(ob->id.properties);
1636                 MEM_freeN(ob->id.properties);
1637                 ob->id.properties= NULL;
1638         }
1639         if(target->id.properties) {
1640                 ob->id.properties= IDP_CopyProperty(target->id.properties);
1641         }
1642
1643         /* copy drawtype info */
1644         ob->dt= target->dt;
1645 }
1646
1647
1648 /* *************** CALC ****************** */
1649
1650 /* there is also a timing calculation in drawobject() */
1651
1652
1653 // XXX THIS CRUFT NEEDS SERIOUS RECODING ASAP!
1654 /* ob can be NULL */
1655 float bsystem_time(struct Scene *scene, Object *UNUSED(ob), float cfra, float ofs)
1656 {
1657         /* returns float ( see BKE_curframe in scene.c) */
1658         cfra += scene->r.subframe;
1659         
1660         /* global time */
1661         if (scene)
1662                 cfra*= scene->r.framelen;       
1663         
1664 #if 0 // XXX old animation system
1665         if (ob) {
1666                 /* ofset frames */
1667                 if ((ob->ipoflag & OB_OFFS_PARENT) && (ob->partype & PARSLOW)==0) 
1668                         cfra-= give_timeoffset(ob);
1669         }
1670 #endif // XXX old animation system
1671         
1672         cfra-= ofs;
1673
1674         return cfra;
1675 }
1676
1677 void object_scale_to_mat3(Object *ob, float mat[][3])
1678 {
1679         float vec[3];
1680         add_v3_v3v3(vec, ob->size, ob->dsize);
1681         size_to_mat3( mat,vec);
1682 }
1683
1684
1685 void object_rot_to_mat3(Object *ob, float mat[][3])
1686 {
1687         float rmat[3][3], dmat[3][3];
1688         
1689         /* 'dmat' is the delta-rotation matrix, which will get (pre)multiplied
1690          * with the rotation matrix to yield the appropriate rotation
1691          */
1692
1693         /* rotations may either be quats, eulers (with various rotation orders), or axis-angle */
1694         if (ob->rotmode > 0) {
1695                 /* euler rotations (will cause gimble lock, but this can be alleviated a bit with rotation orders) */
1696                 eulO_to_mat3(rmat, ob->rot, ob->rotmode);
1697                 eulO_to_mat3(dmat, ob->drot, ob->rotmode);
1698         }
1699         else if (ob->rotmode == ROT_MODE_AXISANGLE) {
1700                 /* axis-angle -  not really that great for 3D-changing orientations */
1701                 axis_angle_to_mat3(rmat, ob->rotAxis, ob->rotAngle);
1702                 axis_angle_to_mat3(dmat, ob->drotAxis, ob->drotAngle);
1703         }
1704         else {
1705                 /* quats are normalised before use to eliminate scaling issues */
1706                 float tquat[4];
1707                 
1708                 normalize_qt_qt(tquat, ob->quat);
1709                 quat_to_mat3(rmat, tquat);
1710                 
1711                 normalize_qt_qt(tquat, ob->dquat);
1712                 quat_to_mat3(dmat, tquat);
1713         }
1714         
1715         /* combine these rotations */
1716         mul_m3_m3m3(mat, dmat, rmat);
1717 }
1718
1719 void object_mat3_to_rot(Object *ob, float mat[][3], short use_compat)
1720 {
1721         switch(ob->rotmode) {
1722         case ROT_MODE_QUAT:
1723                 {
1724                         float dquat[4];
1725                         mat3_to_quat(ob->quat, mat);
1726                         normalize_qt_qt(dquat, ob->dquat);
1727                         invert_qt(dquat);
1728                         mul_qt_qtqt(ob->quat, dquat, ob->quat);
1729                 }
1730                 break;
1731         case ROT_MODE_AXISANGLE:
1732                 mat3_to_axis_angle(ob->rotAxis, &ob->rotAngle, mat);
1733                 sub_v3_v3(ob->rotAxis, ob->drotAxis);
1734                 ob->rotAngle -= ob->drotAngle;
1735                 break;
1736         default: /* euler */
1737                 {
1738                         float quat[4];
1739                         float dquat[4];
1740                         float tmat[3][3];
1741
1742                         /* without drot we could apply 'mat' directly */
1743                         mat3_to_quat(quat, mat);
1744                         eulO_to_quat(dquat, ob->drot, ob->rotmode);
1745                         invert_qt(dquat);
1746                         mul_qt_qtqt(quat, dquat, quat);
1747                         quat_to_mat3(tmat, quat);
1748                         /* end drot correction */
1749
1750                         if(use_compat)  mat3_to_compatible_eulO(ob->rot, ob->rot, ob->rotmode, tmat);
1751                         else                    mat3_to_eulO(ob->rot, ob->rotmode, tmat);
1752                 }
1753         }
1754 }
1755
1756 /* see pchan_apply_mat4() for the equivalent 'pchan' function */
1757 void object_apply_mat4(Object *ob, float mat[][4], const short use_compat, const short use_parent)
1758 {
1759         float rot[3][3];
1760
1761         if(use_parent && ob->parent) {
1762                 float rmat[4][4], diff_mat[4][4], imat[4][4];
1763                 mul_m4_m4m4(diff_mat, ob->parentinv, ob->parent->obmat);
1764                 invert_m4_m4(imat, diff_mat);
1765                 mul_m4_m4m4(rmat, mat, imat); /* get the parent relative matrix */
1766                 object_apply_mat4(ob, rmat, use_compat, FALSE);
1767                 
1768                 /* same as below, use rmat rather than mat */
1769                 mat4_to_loc_rot_size(ob->loc, rot, ob->size, rmat);
1770                 object_mat3_to_rot(ob, rot, use_compat);
1771         }
1772         else {
1773                 mat4_to_loc_rot_size(ob->loc, rot, ob->size, mat);
1774                 object_mat3_to_rot(ob, rot, use_compat);
1775         }
1776         
1777         sub_v3_v3(ob->loc, ob->dloc);
1778         sub_v3_v3(ob->size, ob->dsize);
1779         /* object_mat3_to_rot handles delta rotations */
1780 }
1781
1782 void object_to_mat3(Object *ob, float mat[][3]) /* no parent */
1783 {
1784         float smat[3][3];
1785         float rmat[3][3];
1786         /*float q1[4];*/
1787         
1788         /* size */
1789         object_scale_to_mat3(ob, smat);
1790
1791         /* rot */
1792         object_rot_to_mat3(ob, rmat);
1793         mul_m3_m3m3(mat, rmat, smat);
1794 }
1795
1796 void object_to_mat4(Object *ob, float mat[][4])
1797 {
1798         float tmat[3][3];
1799         
1800         object_to_mat3(ob, tmat);
1801         
1802         copy_m4_m3(mat, tmat);
1803
1804         add_v3_v3v3(mat[3], ob->loc, ob->dloc);
1805 }
1806
1807 /* extern */
1808 int enable_cu_speed= 1;
1809
1810 static void ob_parcurve(Scene *scene, Object *ob, Object *par, float mat[][4])
1811 {
1812         Curve *cu;
1813         float vec[4], dir[3], quat[4], radius, ctime;
1814         float timeoffs = 0.0, sf_orig = 0.0;
1815         
1816         unit_m4(mat);
1817         
1818         cu= par->data;
1819         if(cu->path==NULL || cu->path->data==NULL) /* only happens on reload file, but violates depsgraph still... fix! */
1820                 makeDispListCurveTypes(scene, par, 0);
1821         if(cu->path==NULL) return;
1822         
1823         /* exception, timeoffset is regarded as distance offset */
1824         if(cu->flag & CU_OFFS_PATHDIST) {
1825                 timeoffs = give_timeoffset(ob);
1826                 SWAP(float, sf_orig, ob->sf);
1827         }
1828         
1829         /* catch exceptions: feature for nla stride editing */
1830         if(ob->ipoflag & OB_DISABLE_PATH) {
1831                 ctime= 0.0f;
1832         }
1833         /* catch exceptions: curve paths used as a duplicator */
1834         else if(enable_cu_speed) {
1835                 /* ctime is now a proper var setting of Curve which gets set by Animato like any other var that's animated,
1836                  * but this will only work if it actually is animated... 
1837                  *
1838                  * we divide the curvetime calculated in the previous step by the length of the path, to get a time
1839                  * factor, which then gets clamped to lie within 0.0 - 1.0 range
1840                  */
1841                 if (IS_EQF(cu->pathlen, 0.0f) == 0)
1842                         ctime= cu->ctime / cu->pathlen;
1843                 else
1844                         ctime= cu->ctime;
1845
1846                 CLAMP(ctime, 0.0f, 1.0f);
1847         }
1848         else {
1849                 ctime= scene->r.cfra - give_timeoffset(ob);
1850                 if (IS_EQF(cu->pathlen, 0.0f) == 0)
1851                         ctime /= cu->pathlen;
1852                 
1853                 CLAMP(ctime, 0.0f, 1.0f);
1854         }
1855         
1856         /* time calculus is correct, now apply distance offset */
1857         if(cu->flag & CU_OFFS_PATHDIST) {
1858                 ctime += timeoffs/cu->path->totdist;
1859
1860                 /* restore */
1861                 SWAP(float, sf_orig, ob->sf);
1862         }
1863         
1864         
1865         /* vec: 4 items! */
1866         if( where_on_path(par, ctime, vec, dir, cu->flag & CU_FOLLOW ? quat:NULL, &radius, NULL) ) {
1867
1868                 if(cu->flag & CU_FOLLOW) {
1869 #if 0
1870                         float x1, q[4];
1871                         vec_to_quat( quat,dir, ob->trackflag, ob->upflag);
1872                         
1873                         /* the tilt */
1874                         normalize_v3(dir);
1875                         q[0]= (float)cos(0.5*vec[3]);
1876                         x1= (float)sin(0.5*vec[3]);
1877                         q[1]= -x1*dir[0];
1878                         q[2]= -x1*dir[1];
1879                         q[3]= -x1*dir[2];
1880                         mul_qt_qtqt(quat, q, quat);
1881 #else
1882                         quat_apply_track(quat, ob->trackflag, ob->upflag);
1883 #endif
1884                         normalize_qt(quat);
1885                         quat_to_mat4(mat, quat);
1886                 }
1887                 
1888                 if(cu->flag & CU_PATH_RADIUS) {
1889                         float tmat[4][4], rmat[4][4];
1890                         scale_m4_fl(tmat, radius);
1891                         mul_m4_m4m4(rmat, mat, tmat);
1892                         copy_m4_m4(mat, rmat);
1893                 }
1894
1895                 copy_v3_v3(mat[3], vec);
1896                 
1897         }
1898 }
1899
1900 static void ob_parbone(Object *ob, Object *par, float mat[][4])
1901 {       
1902         bPoseChannel *pchan;
1903         float vec[3];
1904         
1905         if (par->type!=OB_ARMATURE) {
1906                 unit_m4(mat);
1907                 return;
1908         }
1909         
1910         /* Make sure the bone is still valid */
1911         pchan= get_pose_channel(par->pose, ob->parsubstr);
1912         if (!pchan){
1913                 printf ("Object %s with Bone parent: bone %s doesn't exist\n", ob->id.name+2, ob->parsubstr);
1914                 unit_m4(mat);
1915                 return;
1916         }
1917
1918         /* get bone transform */
1919         copy_m4_m4(mat, pchan->pose_mat);
1920
1921         /* but for backwards compatibility, the child has to move to the tail */
1922         copy_v3_v3(vec, mat[1]);
1923         mul_v3_fl(vec, pchan->bone->length);
1924         add_v3_v3(mat[3], vec);
1925 }
1926
1927 static void give_parvert(Object *par, int nr, float *vec)
1928 {
1929         EditMesh *em;
1930         int a, count;
1931         
1932         vec[0]=vec[1]=vec[2]= 0.0f;
1933         
1934         if(par->type==OB_MESH) {
1935                 Mesh *me= par->data;
1936                 DerivedMesh *dm;
1937
1938                 em = BKE_mesh_get_editmesh(me);
1939                 dm = (em)? em->derivedFinal: par->derivedFinal;
1940                         
1941                 if(dm) {
1942                         MVert *mvert= dm->getVertArray(dm);
1943                         int *index = (int *)dm->getVertDataArray(dm, CD_ORIGINDEX);
1944                         int i, vindex, numVerts = dm->getNumVerts(dm);
1945
1946                         /* get the average of all verts with (original index == nr) */
1947                         count= 0;
1948                         for(i = 0; i < numVerts; i++) {
1949                                 vindex= (index)? index[i]: i;
1950
1951                                 if(vindex == nr) {
1952                                         add_v3_v3(vec, mvert[i].co);
1953                                         count++;
1954                                 }
1955                         }
1956
1957                         if (count==0) {
1958                                 /* keep as 0,0,0 */
1959                         } else if(count > 0) {
1960                                 mul_v3_fl(vec, 1.0f / count);
1961                         } else {
1962                                 /* use first index if its out of range */
1963                                 dm->getVertCo(dm, 0, vec);
1964                         }
1965                 }
1966
1967                 if(em)
1968                         BKE_mesh_end_editmesh(me, em);
1969         }
1970         else if (ELEM(par->type, OB_CURVE, OB_SURF)) {
1971                 Nurb *nu;
1972                 Curve *cu;
1973                 BPoint *bp;
1974                 BezTriple *bezt;
1975                 int found= 0;
1976                 ListBase *nurbs;
1977
1978                 cu= par->data;
1979                 nurbs= BKE_curve_nurbs(cu);
1980                 nu= nurbs->first;
1981
1982                 count= 0;
1983                 while(nu && !found) {
1984                         if(nu->type == CU_BEZIER) {
1985                                 bezt= nu->bezt;
1986                                 a= nu->pntsu;
1987                                 while(a--) {
1988                                         if(count==nr) {
1989                                                 found= 1;
1990                                                 VECCOPY(vec, bezt->vec[1]);
1991                                                 break;
1992                                         }
1993                                         count++;
1994                                         bezt++;
1995                                 }
1996                         }
1997                         else {
1998                                 bp= nu->bp;
1999                                 a= nu->pntsu*nu->pntsv;
2000                                 while(a--) {
2001                                         if(count==nr) {
2002                                                 found= 1;
2003                                                 memcpy(vec, bp->vec, sizeof(float)*3);
2004                                                 break;
2005                                         }
2006                                         count++;
2007                                         bp++;
2008                                 }
2009                         }
2010                         nu= nu->next;
2011                 }
2012
2013         }
2014         else if(par->type==OB_LATTICE) {
2015                 Lattice *latt= par->data;
2016                 BPoint *bp;
2017                 DispList *dl = find_displist(&par->disp, DL_VERTS);
2018                 float *co = dl?dl->verts:NULL;
2019                 
2020                 if(latt->editlatt) latt= latt->editlatt->latt;
2021                 
2022                 a= latt->pntsu*latt->pntsv*latt->pntsw;
2023                 count= 0;
2024                 bp= latt->def;
2025                 while(a--) {
2026                         if(count==nr) {
2027                                 if(co)
2028                                         memcpy(vec, co, 3*sizeof(float));
2029                                 else
2030                                         memcpy(vec, bp->vec, 3*sizeof(float));
2031                                 break;
2032                         }
2033                         count++;
2034                         if(co) co+= 3;
2035                         else bp++;
2036                 }
2037         }
2038 }
2039
2040 static void ob_parvert3(Object *ob, Object *par, float mat[][4])
2041 {
2042         float cmat[3][3], v1[3], v2[3], v3[3], q[4];
2043
2044         /* in local ob space */
2045         unit_m4(mat);
2046         
2047         if (ELEM4(par->type, OB_MESH, OB_SURF, OB_CURVE, OB_LATTICE)) {
2048                 
2049                 give_parvert(par, ob->par1, v1);
2050                 give_parvert(par, ob->par2, v2);
2051                 give_parvert(par, ob->par3, v3);
2052                                 
2053                 tri_to_quat( q,v1, v2, v3);
2054                 quat_to_mat3( cmat,q);
2055                 copy_m4_m3(mat, cmat);
2056                 
2057                 if(ob->type==OB_CURVE) {
2058                         VECCOPY(mat[3], v1);
2059                 }
2060                 else {
2061                         add_v3_v3v3(mat[3], v1, v2);
2062                         add_v3_v3(mat[3], v3);
2063                         mul_v3_fl(mat[3], 0.3333333f);
2064                 }
2065         }
2066 }
2067
2068 // XXX what the hell is this?
2069 static int no_parent_ipo=0;
2070 void set_no_parent_ipo(int val)
2071 {
2072         no_parent_ipo= val;
2073 }
2074
2075 void where_is_object_time(Scene *scene, Object *ob, float ctime)
2076 {
2077         float *fp1, *fp2, slowmat[4][4] = MAT4_UNITY;
2078         float stime=ctime, fac1, fac2;
2079         int a;
2080         
2081         /* new version: correct parent+vertexparent and track+parent */
2082         /* this one only calculates direct attached parent and track */
2083         /* is faster, but should keep track of timeoffs */
2084         
2085         if(ob==NULL) return;
2086         
2087         /* execute drivers only, as animation has already been done */
2088         BKE_animsys_evaluate_animdata(&ob->id, ob->adt, ctime, ADT_RECALC_DRIVERS);
2089         
2090         if(ob->parent) {
2091                 Object *par= ob->parent;
2092                 
2093                 // XXX depreceated - animsys
2094                 if(ob->ipoflag & OB_OFFS_PARENT) ctime-= give_timeoffset(ob);
2095                 
2096                 /* hurms, code below conflicts with depgraph... (ton) */
2097                 /* and even worse, it gives bad effects for NLA stride too (try ctime != par->ctime, with MBlur) */
2098                 if(no_parent_ipo==0 && stime != par->ctime) {
2099                         // only for ipo systems? 
2100                         Object tmp= *par;
2101                         
2102                         if(par->proxy_from);    // was a copied matrix, no where_is! bad...
2103                         else where_is_object_time(scene, par, ctime);
2104
2105                         solve_parenting(scene, ob, par, ob->obmat, slowmat, 0);
2106
2107                         *par= tmp;
2108                 }
2109                 else
2110                         solve_parenting(scene, ob, par, ob->obmat, slowmat, 0);
2111                 
2112                 if(ob->partype & PARSLOW) {
2113                         // include framerate
2114                         fac1= ( 1.0f / (1.0f + (float)fabs(give_timeoffset(ob))) );
2115                         if(fac1 >= 1.0f) return;
2116                         fac2= 1.0f-fac1;
2117                         
2118                         fp1= ob->obmat[0];
2119                         fp2= slowmat[0];
2120                         for(a=0; a<16; a++, fp1++, fp2++) {
2121                                 fp1[0]= fac1*fp1[0] + fac2*fp2[0];
2122                         }
2123                 }
2124         }
2125         else {
2126                 object_to_mat4(ob, ob->obmat);
2127         }
2128
2129         /* solve constraints */
2130         if (ob->constraints.first && !(ob->transflag & OB_NO_CONSTRAINTS)) {
2131                 bConstraintOb *cob;
2132                 
2133                 cob= constraints_make_evalob(scene, ob, NULL, CONSTRAINT_OBTYPE_OBJECT);
2134                 
2135                 /* constraints need ctime, not stime. Some call where_is_object_time and bsystem_time */
2136                 solve_constraints (&ob->constraints, cob, ctime);
2137                 
2138                 constraints_clear_evalob(cob);
2139         }
2140         
2141         /* set negative scale flag in object */
2142         if(is_negative_m4(ob->obmat))   ob->transflag |= OB_NEG_SCALE;
2143         else                                                    ob->transflag &= ~OB_NEG_SCALE;
2144 }
2145
2146 static void solve_parenting (Scene *scene, Object *ob, Object *par, float obmat[][4], float slowmat[][4], int simul)
2147 {
2148         float totmat[4][4];
2149         float tmat[4][4];
2150         float locmat[4][4];
2151         float vec[3];
2152         int ok;
2153         
2154         object_to_mat4(ob, locmat);
2155         
2156         if(ob->partype & PARSLOW) copy_m4_m4(slowmat, obmat);
2157
2158         switch(ob->partype & PARTYPE) {
2159         case PAROBJECT:
2160                 ok= 0;
2161                 if(par->type==OB_CURVE) {
2162                         if( ((Curve *)par->data)->flag & CU_PATH ) {
2163                                 ob_parcurve(scene, ob, par, tmat);
2164                                 ok= 1;
2165                         }
2166                 }
2167                 
2168                 if(ok) mul_serie_m4(totmat, par->obmat, tmat, 
2169                         NULL, NULL, NULL, NULL, NULL, NULL);
2170                 else copy_m4_m4(totmat, par->obmat);
2171                 
2172                 break;
2173         case PARBONE:
2174                 ob_parbone(ob, par, tmat);
2175                 mul_serie_m4(totmat, par->obmat, tmat,         
2176                         NULL, NULL, NULL, NULL, NULL, NULL);
2177                 break;
2178                 
2179         case PARVERT1:
2180                 unit_m4(totmat);
2181                 if (simul){
2182                         VECCOPY(totmat[3], par->obmat[3]);
2183                 }
2184                 else{
2185                         give_parvert(par, ob->par1, vec);
2186                         mul_v3_m4v3(totmat[3], par->obmat, vec);
2187                 }
2188                 break;
2189         case PARVERT3:
2190                 ob_parvert3(ob, par, tmat);
2191                 
2192                 mul_serie_m4(totmat, par->obmat, tmat,         
2193                         NULL, NULL, NULL, NULL, NULL, NULL);
2194                 break;
2195                 
2196         case PARSKEL:
2197                 copy_m4_m4(totmat, par->obmat);
2198                 break;
2199         }
2200         
2201         // total 
2202         mul_serie_m4(tmat, totmat, ob->parentinv,         
2203                 NULL, NULL, NULL, NULL, NULL, NULL);
2204         mul_serie_m4(obmat, tmat, locmat,         
2205                 NULL, NULL, NULL, NULL, NULL, NULL);
2206         
2207         if (simul) {
2208
2209         }
2210         else{
2211                 // external usable originmat 
2212                 copy_m3_m4(originmat, tmat);
2213                 
2214                 // origin, voor help line
2215                 if( (ob->partype & PARTYPE)==PARSKEL ) {
2216                         VECCOPY(ob->orig, par->obmat[3]);
2217                 }
2218                 else {
2219                         VECCOPY(ob->orig, totmat[3]);
2220                 }
2221         }
2222
2223 }
2224
2225 void where_is_object(struct Scene *scene, Object *ob)
2226 {
2227         where_is_object_time(scene, ob, (float)scene->r.cfra);
2228 }
2229
2230
2231 void where_is_object_simul(Scene *scene, Object *ob)
2232 /* was written for the old game engine (until 2.04) */
2233 /* It seems that this function is only called
2234 for a lamp that is the child of another object */
2235 {
2236         Object *par;
2237         //Ipo *ipo;
2238         float *fp1, *fp2;
2239         float slowmat[4][4];
2240         float fac1, fac2;
2241         int a;
2242         
2243         /* NO TIMEOFFS */
2244         if(ob->parent) {
2245                 par= ob->parent;
2246                 
2247                 solve_parenting(scene, ob, par, ob->obmat, slowmat, 1);
2248
2249                 if(ob->partype & PARSLOW) {
2250
2251                         fac1= (float)(1.0/(1.0+ fabs(give_timeoffset(ob))));
2252                         fac2= 1.0f-fac1;
2253                         fp1= ob->obmat[0];
2254                         fp2= slowmat[0];
2255                         for(a=0; a<16; a++, fp1++, fp2++) {
2256                                 fp1[0]= fac1*fp1[0] + fac2*fp2[0];
2257                         }
2258                 }
2259                 
2260         }
2261         else {
2262                 object_to_mat4(ob, ob->obmat);
2263         }
2264         
2265         /* solve constraints */
2266         if (ob->constraints.first) {
2267                 bConstraintOb *cob;
2268                 
2269                 cob= constraints_make_evalob(scene, ob, NULL, CONSTRAINT_OBTYPE_OBJECT);
2270                 solve_constraints(&ob->constraints, cob, (float)scene->r.cfra);
2271                 constraints_clear_evalob(cob);
2272         }
2273 }
2274
2275 /* for calculation of the inverse parent transform, only used for editor */
2276 void what_does_parent(Scene *scene, Object *ob, Object *workob)
2277 {
2278         clear_workob(workob);
2279         
2280         unit_m4(workob->obmat);
2281         unit_m4(workob->parentinv);
2282         unit_m4(workob->constinv);
2283         workob->parent= ob->parent;
2284
2285         workob->trackflag= ob->trackflag;
2286         workob->upflag= ob->upflag;
2287         
2288         workob->partype= ob->partype;
2289         workob->par1= ob->par1;
2290         workob->par2= ob->par2;
2291         workob->par3= ob->par3;
2292
2293         workob->constraints.first = ob->constraints.first;
2294         workob->constraints.last = ob->constraints.last;
2295
2296         BLI_strncpy(workob->parsubstr, ob->parsubstr, sizeof(workob->parsubstr));
2297
2298         where_is_object(scene, workob);
2299 }
2300
2301 BoundBox *unit_boundbox(void)
2302 {
2303         BoundBox *bb;
2304         float min[3] = {-1.0f,-1.0f,-1.0f}, max[3] = {-1.0f,-1.0f,-1.0f};
2305
2306         bb= MEM_callocN(sizeof(BoundBox), "bb");
2307         boundbox_set_from_min_max(bb, min, max);
2308         
2309         return bb;
2310 }
2311
2312 void boundbox_set_from_min_max(BoundBox *bb, float min[3], float max[3])
2313 {
2314         bb->vec[0][0]=bb->vec[1][0]=bb->vec[2][0]=bb->vec[3][0]= min[0];
2315         bb->vec[4][0]=bb->vec[5][0]=bb->vec[6][0]=bb->vec[7][0]= max[0];
2316         
2317         bb->vec[0][1]=bb->vec[1][1]=bb->vec[4][1]=bb->vec[5][1]= min[1];
2318         bb->vec[2][1]=bb->vec[3][1]=bb->vec[6][1]=bb->vec[7][1]= max[1];
2319
2320         bb->vec[0][2]=bb->vec[3][2]=bb->vec[4][2]=bb->vec[7][2]= min[2];
2321         bb->vec[1][2]=bb->vec[2][2]=bb->vec[5][2]=bb->vec[6][2]= max[2];
2322 }
2323
2324 BoundBox *object_get_boundbox(Object *ob)
2325 {
2326         BoundBox *bb= NULL;
2327         
2328         if(ob->type==OB_MESH) {
2329                 bb = mesh_get_bb(ob);
2330         }
2331         else if (ELEM3(ob->type, OB_CURVE, OB_SURF, OB_FONT)) {
2332                 bb= ob->bb ? ob->bb : ( (Curve *)ob->data )->bb;
2333         }
2334         else if(ob->type==OB_MBALL) {
2335                 bb= ob->bb;
2336         }
2337         return bb;
2338 }
2339
2340 /* used to temporally disable/enable boundbox */
2341 void object_boundbox_flag(Object *ob, int flag, int set)
2342 {
2343         BoundBox *bb= object_get_boundbox(ob);
2344         if(bb) {
2345                 if(set) bb->flag |= flag;
2346                 else bb->flag &= ~flag;
2347         }
2348 }
2349
2350 void object_get_dimensions(Object *ob, float *value)
2351 {
2352         BoundBox *bb = NULL;
2353         
2354         bb= object_get_boundbox(ob);
2355         if (bb) {
2356                 float scale[3];
2357                 
2358                 mat4_to_size( scale,ob->obmat);
2359                 
2360                 value[0] = fabsf(scale[0]) * (bb->vec[4][0] - bb->vec[0][0]);
2361                 value[1] = fabsf(scale[1]) * (bb->vec[2][1] - bb->vec[0][1]);
2362                 value[2] = fabsf(scale[2]) * (bb->vec[1][2] - bb->vec[0][2]);
2363         } else {
2364                 value[0] = value[1] = value[2] = 0.f;
2365         }
2366 }
2367
2368 void object_set_dimensions(Object *ob, const float *value)
2369 {
2370         BoundBox *bb = NULL;
2371         
2372         bb= object_get_boundbox(ob);
2373         if (bb) {
2374                 float scale[3], len[3];
2375                 
2376                 mat4_to_size( scale,ob->obmat);
2377                 
2378                 len[0] = bb->vec[4][0] - bb->vec[0][0];
2379                 len[1] = bb->vec[2][1] - bb->vec[0][1];
2380                 len[2] = bb->vec[1][2] - bb->vec[0][2];
2381                 
2382                 if (len[0] > 0.f) ob->size[0] = value[0] / len[0];
2383                 if (len[1] > 0.f) ob->size[1] = value[1] / len[1];
2384                 if (len[2] > 0.f) ob->size[2] = value[2] / len[2];
2385         }
2386 }
2387
2388 void minmax_object(Object *ob, float *min, float *max)
2389 {
2390         BoundBox bb;
2391         Mesh *me;
2392         Curve *cu;
2393         float vec[3];
2394         int a;
2395         
2396         switch(ob->type) {
2397                 
2398         case OB_CURVE:
2399         case OB_FONT:
2400         case OB_SURF:
2401                 cu= ob->data;
2402                 
2403                 if(cu->bb==NULL) tex_space_curve(cu);
2404                 bb= *(cu->bb);
2405                 
2406                 for(a=0; a<8; a++) {
2407                         mul_m4_v3(ob->obmat, bb.vec[a]);
2408                         DO_MINMAX(bb.vec[a], min, max);
2409                 }
2410                 break;
2411         case OB_ARMATURE:
2412                 if(ob->pose) {
2413                         bPoseChannel *pchan;
2414                         for(pchan= ob->pose->chanbase.first; pchan; pchan= pchan->next) {
2415                                 mul_v3_m4v3(vec, ob->obmat, pchan->pose_head);
2416                                 DO_MINMAX(vec, min, max);
2417                                 mul_v3_m4v3(vec, ob->obmat, pchan->pose_tail);
2418                                 DO_MINMAX(vec, min, max);
2419                         }
2420                         break;
2421                 }
2422                 /* no break, get_mesh will give NULL and it passes on to default */
2423         case OB_MESH:
2424                 me= get_mesh(ob);
2425                 
2426                 if(me) {
2427                         bb = *mesh_get_bb(ob);
2428                         
2429                         for(a=0; a<8; a++) {
2430                                 mul_m4_v3(ob->obmat, bb.vec[a]);
2431                                 DO_MINMAX(bb.vec[a], min, max);
2432                         }
2433                 }
2434                 if(min[0] < max[0] ) break;
2435                 
2436                 /* else here no break!!!, mesh can be zero sized */
2437                 
2438         default:
2439                 DO_MINMAX(ob->obmat[3], min, max);
2440
2441                 copy_v3_v3(vec, ob->obmat[3]);
2442                 add_v3_v3(vec, ob->size);
2443                 DO_MINMAX(vec, min, max);
2444
2445                 copy_v3_v3(vec, ob->obmat[3]);
2446                 sub_v3_v3(vec, ob->size);
2447                 DO_MINMAX(vec, min, max);
2448                 break;
2449         }
2450 }
2451
2452 int minmax_object_duplis(Scene *scene, Object *ob, float *min, float *max)
2453 {
2454         int ok= 0;
2455         if ((ob->transflag & OB_DUPLI)==0) {
2456                 return ok;
2457         } else {
2458                 ListBase *lb;
2459                 DupliObject *dob;
2460                 
2461                 lb= object_duplilist(scene, ob);
2462                 for(dob= lb->first; dob; dob= dob->next) {
2463                         if(dob->no_draw == 0) {
2464                                 BoundBox *bb= object_get_boundbox(dob->ob);
2465
2466                                 if(bb) {
2467                                         int i;
2468                                         for(i=0; i<8; i++) {
2469                                                 float vec[3];
2470                                                 mul_v3_m4v3(vec, dob->mat, bb->vec[i]);
2471                                                 DO_MINMAX(vec, min, max);
2472                                         }
2473
2474                                         ok= 1;
2475                                 }
2476                         }
2477                 }
2478                 free_object_duplilist(lb);      /* does restore */
2479         }
2480
2481         return ok;
2482 }
2483
2484 /* copied from DNA_object_types.h */
2485 typedef struct ObTfmBack {
2486         float loc[3], dloc[3], orig[3];
2487         float size[3], dsize[3];        /* scale and delta scale */
2488         float rot[3], drot[3];          /* euler rotation */
2489         float quat[4], dquat[4];        /* quaternion rotation */
2490         float rotAxis[3], drotAxis[3];  /* axis angle rotation - axis part */
2491         float rotAngle, drotAngle;      /* axis angle rotation - angle part */
2492         float obmat[4][4];              /* final worldspace matrix with constraints & animsys applied */
2493         float parentinv[4][4]; /* inverse result of parent, so that object doesn't 'stick' to parent */
2494         float constinv[4][4]; /* inverse result of constraints. doesn't include effect of parent or object local transform */
2495         float imat[4][4];       /* inverse matrix of 'obmat' for during render, old game engine, temporally: ipokeys of transform  */
2496 } ObTfmBack;
2497
2498 void *object_tfm_backup(Object *ob)
2499 {
2500         ObTfmBack *obtfm= MEM_mallocN(sizeof(ObTfmBack), "ObTfmBack");
2501         copy_v3_v3(obtfm->loc, ob->loc);
2502         copy_v3_v3(obtfm->dloc, ob->dloc);
2503         copy_v3_v3(obtfm->orig, ob->orig);
2504         copy_v3_v3(obtfm->size, ob->size);
2505         copy_v3_v3(obtfm->dsize, ob->dsize);
2506         copy_v3_v3(obtfm->rot, ob->rot);
2507         copy_v3_v3(obtfm->drot, ob->drot);
2508         copy_qt_qt(obtfm->quat, ob->quat);
2509         copy_qt_qt(obtfm->dquat, ob->dquat);
2510         copy_v3_v3(obtfm->rotAxis, ob->rotAxis);
2511         copy_v3_v3(obtfm->drotAxis, ob->drotAxis);
2512         obtfm->rotAngle= ob->rotAngle;
2513         obtfm->drotAngle= ob->drotAngle;
2514         copy_m4_m4(obtfm->obmat, ob->obmat);
2515         copy_m4_m4(obtfm->parentinv, ob->parentinv);
2516         copy_m4_m4(obtfm->constinv, ob->constinv);
2517         copy_m4_m4(obtfm->imat, ob->imat);
2518
2519         return (void *)obtfm;
2520 }
2521
2522 void object_tfm_restore(Object *ob, void *obtfm_pt)
2523 {
2524         ObTfmBack *obtfm= (ObTfmBack *)obtfm_pt;
2525         copy_v3_v3(ob->loc, obtfm->loc);
2526         copy_v3_v3(ob->dloc, obtfm->dloc);
2527         copy_v3_v3(ob->orig, obtfm->orig);
2528         copy_v3_v3(ob->size, obtfm->size);
2529         copy_v3_v3(ob->dsize, obtfm->dsize);
2530         copy_v3_v3(ob->rot, obtfm->rot);
2531         copy_v3_v3(ob->drot, obtfm->drot);
2532         copy_qt_qt(ob->quat, obtfm->quat);
2533         copy_qt_qt(ob->dquat, obtfm->dquat);
2534         copy_v3_v3(ob->rotAxis, obtfm->rotAxis);
2535         copy_v3_v3(ob->drotAxis, obtfm->drotAxis);
2536         ob->rotAngle= obtfm->rotAngle;
2537         ob->drotAngle= obtfm->drotAngle;
2538         copy_m4_m4(ob->obmat, obtfm->obmat);
2539         copy_m4_m4(ob->parentinv, obtfm->parentinv);
2540         copy_m4_m4(ob->constinv, obtfm->constinv);
2541         copy_m4_m4(ob->imat, obtfm->imat);
2542 }
2543
2544 /* proxy rule: lib_object->proxy_from == the one we borrow from, only set temporal and cleared here */
2545 /*           local_object->proxy      == pointer to library object, saved in files and read */
2546
2547 /* function below is polluted with proxy exceptions, cleanup will follow! */
2548
2549 /* the main object update call, for object matrix, constraints, keys and displist (modifiers) */
2550 /* requires flags to be set! */
2551 void object_handle_update(Scene *scene, Object *ob)
2552 {
2553         if(ob->recalc & OB_RECALC_ALL) {
2554                 /* speed optimization for animation lookups */
2555                 if(ob->pose)
2556                         make_pose_channels_hash(ob->pose);
2557
2558                 if(ob->recalc & OB_RECALC_DATA) {
2559                         if(ob->type==OB_ARMATURE) {
2560                                 /* this happens for reading old files and to match library armatures
2561                                    with poses we do it ahead of where_is_object to ensure animation
2562                                    is evaluated on the rebuilt pose, otherwise we get incorrect poses
2563                                    on file load */
2564                                 if(ob->pose==NULL || (ob->pose->flag & POSE_RECALC))
2565                                         armature_rebuild_pose(ob, ob->data);
2566                         }
2567                 }
2568
2569                 /* XXX new animsys warning: depsgraph tag OB_RECALC_DATA should not skip drivers, 
2570                    which is only in where_is_object now */
2571                 // XXX: should this case be OB_RECALC_OB instead?
2572                 if(ob->recalc & OB_RECALC_ALL) {
2573                         
2574                         if (G.f & G_DEBUG)
2575                                 printf("recalcob %s\n", ob->id.name+2);
2576                         
2577                         /* handle proxy copy for target */
2578                         if(ob->id.lib && ob->proxy_from) {
2579                                 // printf("ob proxy copy, lib ob %s proxy %s\n", ob->id.name, ob->proxy_from->id.name);
2580                                 if(ob->proxy_from->proxy_group) {/* transform proxy into group space */
2581                                         Object *obg= ob->proxy_from->proxy_group;
2582                                         invert_m4_m4(obg->imat, obg->obmat);
2583                                         mul_m4_m4m4(ob->obmat, ob->proxy_from->obmat, obg->imat);
2584                                         if(obg->dup_group) { /* should always be true */
2585                                                 add_v3_v3(ob->obmat[3], obg->dup_group->dupli_ofs);
2586                                         }
2587                                 }
2588                                 else
2589                                         copy_m4_m4(ob->obmat, ob->proxy_from->obmat);
2590                         }
2591                         else
2592                                 where_is_object(scene, ob);
2593                 }
2594                 
2595                 if(ob->recalc & OB_RECALC_DATA) {
2596                         ID *data_id= (ID *)ob->data;
2597                         AnimData *adt= BKE_animdata_from_id(data_id);
2598                         float ctime= (float)scene->r.cfra; // XXX this is bad...
2599                         ListBase pidlist;
2600                         PTCacheID *pid;
2601                         
2602                         if (G.f & G_DEBUG)
2603                                 printf("recalcdata %s\n", ob->id.name+2);
2604
2605                         if(adt) {
2606                                 /* evaluate drivers */
2607                                 // XXX: for mesh types, should we push this to derivedmesh instead?
2608                                 BKE_animsys_evaluate_animdata(data_id, adt, ctime, ADT_RECALC_DRIVERS);
2609                         }
2610
2611                         /* includes all keys and modifiers */
2612                         switch(ob->type) {
2613                         case OB_MESH:
2614                                 {
2615 #if 0                           // XXX, comment for 2.56a release, background wont set 'scene->customdata_mask'
2616                                         EditMesh *em = (ob == scene->obedit)? BKE_mesh_get_editmesh(ob->data): NULL;
2617                                         BLI_assert((scene->customdata_mask & CD_MASK_BAREMESH) == CD_MASK_BAREMESH);
2618                                         if(em) {
2619                                                 makeDerivedMesh(scene, ob, em,  scene->customdata_mask); /* was CD_MASK_BAREMESH */
2620                                                 BKE_mesh_end_editmesh(ob->data, em);
2621                                         } else
2622                                                 makeDerivedMesh(scene, ob, NULL, scene->customdata_mask);
2623
2624 #else                           /* ensure CD_MASK_BAREMESH for now */
2625                                         EditMesh *em = (ob == scene->obedit)? BKE_mesh_get_editmesh(ob->data): NULL;
2626                                         if(em) {
2627                                                 makeDerivedMesh(scene, ob, em,  scene->customdata_mask | CD_MASK_BAREMESH); /* was CD_MASK_BAREMESH */
2628                                                 BKE_mesh_end_editmesh(ob->data, em);
2629                                         } else
2630                                                 makeDerivedMesh(scene, ob, NULL, scene->customdata_mask | CD_MASK_BAREMESH);
2631 #endif
2632
2633                                 }
2634                                 break;
2635
2636                         case OB_ARMATURE:
2637                                 if(ob->id.lib && ob->proxy_from) {
2638                                         // printf("pose proxy copy, lib ob %s proxy %s\n", ob->id.name, ob->proxy_from->id.name);
2639                                         copy_pose_result(ob->pose, ob->proxy_from->pose);
2640                                 }
2641                                 else {
2642                                         where_is_pose(scene, ob);
2643                                 }
2644                                 break;
2645
2646                         case OB_MBALL:
2647                                 makeDispListMBall(scene, ob);
2648                                 break;
2649
2650                         case OB_CURVE:
2651                         case OB_SURF:
2652                         case OB_FONT:
2653                                 makeDispListCurveTypes(scene, ob, 0);
2654                                 break;
2655                                 
2656                         case OB_LATTICE:
2657                                 lattice_calc_modifiers(scene, ob);
2658                                 break;
2659                         }
2660
2661
2662                         if(ob->particlesystem.first) {
2663                                 ParticleSystem *tpsys, *psys;
2664                                 DerivedMesh *dm;
2665                                 ob->transflag &= ~OB_DUPLIPARTS;
2666                                 
2667                                 psys= ob->particlesystem.first;
2668                                 while(psys) {
2669                                         if(psys_check_enabled(ob, psys)) {
2670                                                 /* check use of dupli objects here */
2671                                                 if(psys->part && (psys->part->draw_as == PART_DRAW_REND || G.rendering) &&
2672                                                         ((psys->part->ren_as == PART_DRAW_OB && psys->part->dup_ob)
2673                                                         || (psys->part->ren_as == PART_DRAW_GR && psys->part->dup_group)))
2674                                                         ob->transflag |= OB_DUPLIPARTS;
2675
2676                                                 particle_system_update(scene, ob, psys);
2677                                                 psys= psys->next;
2678                                         }
2679                                         else if(psys->flag & PSYS_DELETE) {
2680                                                 tpsys=psys->next;
2681                                                 BLI_remlink(&ob->particlesystem, psys);
2682                                                 psys_free(ob,psys);
2683                                                 psys= tpsys;
2684                                         }
2685                                         else
2686                                                 psys= psys->next;
2687                                 }
2688
2689                                 if(G.rendering && ob->transflag & OB_DUPLIPARTS) {
2690                                         /* this is to make sure we get render level duplis in groups:
2691                                          * the derivedmesh must be created before init_render_mesh,
2692                                          * since object_duplilist does dupliparticles before that */
2693                                         dm = mesh_create_derived_render(scene, ob, CD_MASK_BAREMESH|CD_MASK_MTFACE|CD_MASK_MCOL);
2694                                         dm->release(dm);
2695
2696                                         for(psys=ob->particlesystem.first; psys; psys=psys->next)
2697                                                 psys_get_modifier(ob, psys)->flag &= ~eParticleSystemFlag_psys_updated;
2698                                 }
2699                         }
2700
2701                         /* check if quick cache is needed */
2702                         BKE_ptcache_ids_from_object(&pidlist, ob, scene, MAX_DUPLI_RECUR);
2703
2704                         for(pid=pidlist.first; pid; pid=pid->next) {
2705                                 if((pid->cache->flag & PTCACHE_BAKED)
2706                                         || (pid->cache->flag & PTCACHE_QUICK_CACHE)==0)
2707                                         continue;
2708
2709                                 if(pid->cache->flag & PTCACHE_OUTDATED || (pid->cache->flag & PTCACHE_SIMULATION_VALID)==0) {
2710                                         scene->physics_settings.quick_cache_step =
2711                                                 scene->physics_settings.quick_cache_step ?
2712                                                 MIN2(scene->physics_settings.quick_cache_step, pid->cache->step) :
2713                                                 pid->cache->step;
2714                                 }
2715                         }
2716
2717                         BLI_freelistN(&pidlist);
2718                 }
2719
2720                 /* the no-group proxy case, we call update */
2721                 if(ob->proxy && ob->proxy_group==NULL) {
2722                         /* set pointer in library proxy target, for copying, but restore it */
2723                         ob->proxy->proxy_from= ob;
2724                         // printf("call update, lib ob %s proxy %s\n", ob->proxy->id.name, ob->id.name);
2725                         object_handle_update(scene, ob->proxy);
2726                 }
2727         
2728                 ob->recalc &= ~OB_RECALC_ALL;
2729         }
2730
2731         /* the case when this is a group proxy, object_update is called in group.c */
2732         if(ob->proxy) {
2733                 ob->proxy->proxy_from= ob;
2734                 // printf("set proxy pointer for later group stuff %s\n", ob->id.name);
2735         }
2736 }
2737
2738 float give_timeoffset(Object *ob) {
2739         if ((ob->ipoflag & OB_OFFS_PARENTADD) && ob->parent) {
2740                 return ob->sf + give_timeoffset(ob->parent);
2741         } else {
2742                 return ob->sf;
2743         }
2744 }
2745
2746 int give_obdata_texspace(Object *ob, short **texflag, float **loc, float **size, float **rot) {
2747         
2748         if (ob->data==NULL)
2749                 return 0;
2750         
2751         switch (GS(((ID *)ob->data)->name)) {
2752         case ID_ME:
2753         {
2754                 Mesh *me= ob->data;
2755                 if (texflag)    *texflag = &me->texflag;
2756                 if (loc)                *loc = me->loc;
2757                 if (size)               *size = me->size;
2758                 if (rot)                *rot = me->rot;
2759                 break;
2760         }
2761         case ID_CU:
2762         {
2763                 Curve *cu= ob->data;
2764                 if (texflag)    *texflag = &cu->texflag;
2765                 if (loc)                *loc = cu->loc;
2766                 if (size)               *size = cu->size;
2767                 if (rot)                *rot = cu->rot;
2768                 break;
2769         }
2770         case ID_MB:
2771         {
2772                 MetaBall *mb= ob->data;
2773                 if (texflag)    *texflag = &mb->texflag;
2774                 if (loc)                *loc = mb->loc;
2775                 if (size)               *size = mb->size;
2776                 if (rot)                *rot = mb->rot;
2777                 break;
2778         }
2779         default:
2780                 return 0;
2781         }
2782         return 1;
2783 }
2784
2785 /*
2786  * Test a bounding box for ray intersection
2787  * assumes the ray is already local to the boundbox space
2788  */
2789 int ray_hit_boundbox(struct BoundBox *bb, float ray_start[3], float ray_normal[3])
2790 {
2791         static int triangle_indexes[12][3] = {{0, 1, 2}, {0, 2, 3},
2792                                                                                   {3, 2, 6}, {3, 6, 7},
2793                                                                                   {1, 2, 6}, {1, 6, 5}, 
2794                                                                                   {5, 6, 7}, {4, 5, 7},
2795                                                                                   {0, 3, 7}, {0, 4, 7},
2796                                                                                   {0, 1, 5}, {0, 4, 5}};
2797         int result = 0;
2798         int i;
2799         
2800         for (i = 0; i < 12 && result == 0; i++)
2801         {
2802                 float lambda;
2803                 int v1, v2, v3;
2804                 v1 = triangle_indexes[i][0];
2805                 v2 = triangle_indexes[i][1];
2806                 v3 = triangle_indexes[i][2];
2807                 result = isect_ray_tri_v3(ray_start, ray_normal, bb->vec[v1], bb->vec[v2], bb->vec[v3], &lambda, NULL);
2808         }
2809         
2810         return result;
2811 }
2812
2813 static int pc_cmp(void *a, void *b)
2814 {
2815         LinkData *ad = a, *bd = b;
2816         if(GET_INT_FROM_POINTER(ad->data) > GET_INT_FROM_POINTER(bd->data))
2817                 return 1;
2818         else return 0;
2819 }
2820
2821 int object_insert_ptcache(Object *ob) 
2822 {
2823         LinkData *link = NULL;
2824         int i = 0;
2825
2826         BLI_sortlist(&ob->pc_ids, pc_cmp);
2827
2828         for(link=ob->pc_ids.first, i = 0; link; link=link->next, i++) 
2829         {
2830                 int index = GET_INT_FROM_POINTER(link->data);
2831
2832                 if(i < index)
2833                         break;
2834         }
2835
2836         link = MEM_callocN(sizeof(LinkData), "PCLink");
2837         link->data = SET_INT_IN_POINTER(i);
2838         BLI_addtail(&ob->pc_ids, link);
2839
2840         return i;
2841 }
2842
2843 void object_camera_mode(RenderData *rd, Object *camera)
2844 {
2845         rd->mode &= ~(R_ORTHO|R_PANORAMA);
2846         if(camera && camera->type==OB_CAMERA) {
2847                 Camera *cam= camera->data;
2848                 if(cam->type == CAM_ORTHO) rd->mode |= R_ORTHO;
2849                 if(cam->flag & CAM_PANORAMA) rd->mode |= R_PANORAMA;
2850         }
2851 }
2852
2853 /* 'lens' may be set for envmap only */
2854 void object_camera_matrix(
2855                 RenderData *rd, Object *camera, int winx, int winy, short field_second,
2856                 float winmat[][4], rctf *viewplane, float *clipsta, float *clipend, float *lens, float *ycor,
2857                 float *viewdx, float *viewdy
2858 ) {
2859         Camera *cam=NULL;
2860         float pixsize;
2861         float shiftx=0.0, shifty=0.0, winside, viewfac;
2862         short is_ortho= FALSE;
2863
2864         /* question mark */
2865         (*ycor)= rd->yasp / rd->xasp;
2866         if(rd->mode & R_FIELDS)
2867                 (*ycor) *= 2.0f;
2868
2869         if(camera->type==OB_CAMERA) {
2870                 cam= camera->data;
2871
2872                 if(cam->type == CAM_ORTHO) {
2873                         is_ortho= TRUE;
2874                 }
2875
2876                 /* solve this too... all time depending stuff is in convertblender.c?
2877                  * Need to update the camera early because it's used for projection matrices
2878                  * and other stuff BEFORE the animation update loop is done
2879                  * */
2880 #if 0 // XXX old animation system
2881                 if(cam->ipo) {
2882                         calc_ipo(cam->ipo, frame_to_float(re->scene, re->r.cfra));
2883                         execute_ipo(&cam->id, cam->ipo);
2884                 }
2885 #endif // XXX old animation system
2886                 shiftx=cam->shiftx;
2887                 shifty=cam->shifty;
2888                 (*lens)= cam->lens;
2889                 (*clipsta)= cam->clipsta;
2890                 (*clipend)= cam->clipend;
2891         }
2892         else if(camera->type==OB_LAMP) {
2893                 Lamp *la= camera->data;
2894                 float fac= cosf((float)M_PI*la->spotsize/360.0f);
2895                 float phi= acos(fac);
2896
2897                 (*lens)= 16.0f*fac/sinf(phi);
2898                 if((*lens)==0.0f)
2899                         (*lens)= 35.0f;
2900                 (*clipsta)= la->clipsta;
2901                 (*clipend)= la->clipend;
2902         }
2903         else {  /* envmap exception... */;
2904                 if((*lens)==0.0f)
2905                         (*lens)= 16.0f;
2906
2907                 if((*clipsta)==0.0f || (*clipend)==0.0f) {
2908                         (*clipsta)= 0.1f;
2909                         (*clipend)= 1000.0f;
2910                 }
2911         }
2912
2913         /* ortho only with camera available */
2914         if(cam && is_ortho) {
2915                 if(rd->xasp*winx >= rd->yasp*winy) {
2916                         viewfac= winx;
2917                 }
2918                 else {
2919                         viewfac= (*ycor) * winy;
2920                 }
2921                 /* ortho_scale == 1.0 means exact 1 to 1 mapping */
2922                 pixsize= cam->ortho_scale/viewfac;
2923         }
2924         else {
2925                 if(rd->xasp*winx >= rd->yasp*winy)      viewfac= ((*lens) * winx)/32.0f;
2926                 else                                                            viewfac= (*ycor) * ((*lens) * winy)/32.0f;
2927                 pixsize= (*clipsta) / viewfac;
2928         }
2929
2930         /* viewplane fully centered, zbuffer fills in jittered between -.5 and +.5 */
2931         winside= MAX2(winx, winy);
2932         viewplane->xmin= -0.5f*(float)winx + shiftx*winside;
2933         viewplane->ymin= -0.5f*(*ycor)*(float)winy + shifty*winside;
2934         viewplane->xmax=  0.5f*(float)winx + shiftx*winside;
2935         viewplane->ymax=  0.5f*(*ycor)*(float)winy + shifty*winside;
2936
2937         if(field_second) {
2938                 if(rd->mode & R_ODDFIELD) {
2939                         viewplane->ymin-= 0.5f * (*ycor);
2940                         viewplane->ymax-= 0.5f * (*ycor);
2941                 }
2942                 else {
2943                         viewplane->ymin+= 0.5f * (*ycor);
2944                         viewplane->ymax+= 0.5f * (*ycor);
2945                 }
2946         }
2947         /* the window matrix is used for clipping, and not changed during OSA steps */
2948         /* using an offset of +0.5 here would give clip errors on edges */
2949         viewplane->xmin *= pixsize;
2950         viewplane->xmax *= pixsize;
2951         viewplane->ymin *= pixsize;
2952         viewplane->ymax *= pixsize;
2953
2954         (*viewdx)= pixsize;
2955         (*viewdy)= (*ycor) * pixsize;
2956
2957         if(is_ortho)
2958                 orthographic_m4(winmat, viewplane->xmin, viewplane->xmax, viewplane->ymin, viewplane->ymax, *clipsta, *clipend);
2959         else
2960                 perspective_m4(winmat, viewplane->xmin, viewplane->xmax, viewplane->ymin, viewplane->ymax, *clipsta, *clipend);
2961
2962 }
2963
2964 #if 0
2965 static int pc_findindex(ListBase *listbase, int index)
2966 {
2967         LinkData *link= NULL;
2968         int number= 0;
2969         
2970         if (listbase == NULL) return -1;
2971         
2972         link= listbase->first;
2973         while (link) {
2974                 if ((int)link->data == index)
2975                         return number;
2976                 
2977                 number++;
2978                 link= link->next;
2979         }
2980         
2981         return -1;
2982 }
2983
2984 void object_delete_ptcache(Object *ob, int index) 
2985 {
2986         int list_index = pc_findindex(&ob->pc_ids, index);
2987         LinkData *link = BLI_findlink(&ob->pc_ids, list_index);
2988         BLI_freelinkN(&ob->pc_ids, link);
2989 }
2990 #endif
2991
2992 /* shape key utility function */
2993
2994 /************************* Mesh ************************/
2995 static KeyBlock *insert_meshkey(Scene *scene, Object *ob, const char *name, int from_mix)
2996 {
2997         Mesh *me= ob->data;
2998         Key *key= me->key;
2999         KeyBlock *kb;
3000         int newkey= 0;
3001
3002         if(key == NULL) {
3003                 key= me->key= add_key((ID *)me);
3004                 key->type= KEY_RELATIVE;
3005                 newkey= 1;
3006         }
3007
3008         if(newkey || from_mix==FALSE) {
3009                 /* create from mesh */
3010                 kb= add_keyblock(key, name);
3011                 mesh_to_key(me, kb);
3012         }
3013         else {
3014                 /* copy from current values */
3015                 float *data= do_ob_key(scene, ob);
3016
3017                 /* create new block with prepared data */
3018                 kb= add_keyblock(key, name);
3019                 kb->data= data;
3020                 kb->totelem= me->totvert;
3021         }
3022
3023         return kb;
3024 }
3025 /************************* Lattice ************************/
3026 static KeyBlock *insert_lattkey(Scene *scene, Object *ob, const char *name, int from_mix)
3027 {
3028         Lattice *lt= ob->data;
3029         Key *key= lt->key;
3030         KeyBlock *kb;
3031         int newkey= 0;
3032
3033         if(key==NULL) {
3034                 key= lt->key= add_key( (ID *)lt);
3035                 key->type= KEY_RELATIVE;
3036                 newkey= 1;
3037         }
3038
3039         if(newkey || from_mix==FALSE) {
3040                 kb= add_keyblock(key, name);
3041                 if (!newkey) {
3042                         KeyBlock *basekb= (KeyBlock *)key->block.first;
3043                         kb->data= MEM_dupallocN(basekb->data);
3044                         kb->totelem= basekb->totelem;
3045                 }
3046                 else {
3047                         latt_to_key(lt, kb);
3048                 }
3049         }
3050         else {
3051                 /* copy from current values */
3052                 float *data= do_ob_key(scene, ob);
3053
3054                 /* create new block with prepared data */
3055                 kb= add_keyblock(key, name);
3056                 kb->totelem= lt->pntsu*lt->pntsv*lt->pntsw;
3057                 kb->data= data;
3058         }
3059
3060         return kb;
3061 }
3062 /************************* Curve ************************/
3063 static KeyBlock *insert_curvekey(Scene *scene, Object *ob, const char *name, int from_mix)
3064 {
3065         Curve *cu= ob->data;
3066         Key *key= cu->key;
3067         KeyBlock *kb;
3068         ListBase *lb= BKE_curve_nurbs(cu);
3069         int newkey= 0;
3070
3071         if(key==NULL) {
3072                 key= cu->key= add_key( (ID *)cu);
3073                 key->type = KEY_RELATIVE;
3074                 newkey= 1;
3075         }
3076
3077         if(newkey || from_mix==FALSE) {
3078                 /* create from curve */
3079                 kb= add_keyblock(key, name);
3080                 if (!newkey) {
3081                         KeyBlock *basekb= (KeyBlock *)key->block.first;
3082                         kb->data= MEM_dupallocN(basekb->data);
3083                         kb->totelem= basekb->totelem;
3084                 }
3085                 else {
3086                         curve_to_key(cu, kb, lb);
3087                 }
3088         }
3089         else {
3090                 /* copy from current values */
3091                 float *data= do_ob_key(scene, ob);
3092
3093                 /* create new block with prepared data */
3094                 kb= add_keyblock(key, name);
3095                 kb->totelem= count_curveverts(lb);
3096                 kb->data= data;
3097         }
3098
3099         return kb;
3100 }
3101
3102 KeyBlock *object_insert_shape_key(Scene *scene, Object *ob, const char *name, int from_mix)
3103 {
3104         if(ob->type==OB_MESH)                                    return insert_meshkey(scene, ob, name, from_mix);
3105         else if ELEM(ob->type, OB_CURVE, OB_SURF)return insert_curvekey(scene, ob, name, from_mix);
3106         else if(ob->type==OB_LATTICE)                    return insert_lattkey(scene, ob, name, from_mix);
3107         else                                                                     return NULL;
3108 }
3109
3110 /* most important if this is modified it should _always_ return True, in certain
3111  * cases false positives are hard to avoid (shape keys for eg)
3112  */
3113 int object_is_modified(Scene *scene, Object *ob)
3114 {
3115         int flag= 0;
3116
3117         if(ob_get_key(ob)) {
3118                 flag |= eModifierMode_Render | eModifierMode_Render;
3119         }
3120         else {
3121                 ModifierData *md;
3122                 /* cloth */
3123                 for(md=modifiers_getVirtualModifierList(ob); md && (flag != (eModifierMode_Render | eModifierMode_Realtime)); md=md->next) {
3124                         if((flag & eModifierMode_Render) == 0   && modifier_isEnabled(scene, md, eModifierMode_Render))         flag |= eModifierMode_Render;
3125                         if((flag & eModifierMode_Realtime) == 0 && modifier_isEnabled(scene, md, eModifierMode_Realtime))       flag |= eModifierMode_Realtime;
3126                 }
3127         }
3128
3129         return flag;
3130 }
3131
3132 static void copy_object__forwardModifierLinks(void *UNUSED(userData), Object *UNUSED(ob), ID **idpoin)
3133 {
3134         /* this is copied from ID_NEW; it might be better to have a macro */
3135         if(*idpoin && (*idpoin)->newid) *idpoin = (*idpoin)->newid;
3136 }
3137
3138 void object_relink(Object *ob)
3139 {
3140         if(ob->id.lib)
3141                 return;
3142
3143         relink_constraints(&ob->constraints);
3144         if (ob->pose){
3145                 bPoseChannel *chan;
3146                 for (chan = ob->pose->chanbase.first; chan; chan=chan->next){
3147                         relink_constraints(&chan->constraints);
3148                 }
3149         }
3150         modifiers_foreachIDLink(ob, copy_object__forwardModifierLinks, NULL);
3151