Particles
[blender-staging.git] / source / blender / blenkernel / intern / object.c
1 /* object.c
2  *
3  * 
4  * $Id$
5  *
6  * ***** BEGIN GPL/BL DUAL 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. The Blender
12  * Foundation also sells licenses for use in proprietary software under
13  * the Blender License.  See http://www.blender.org/BL/ for information
14  * about this.
15  *
16  * This program is distributed in the hope that it will be useful,
17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19  * GNU General Public License for more details.
20  *
21  * You should have received a copy of the GNU General Public License
22  * along with this program; if not, write to the Free Software Foundation,
23  * Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
24  *
25  * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
26  * All rights reserved.
27  *
28  * The Original Code is: all of this file.
29  *
30  * Contributor(s): none yet.
31  *
32  * ***** END GPL/BL DUAL LICENSE BLOCK *****
33  */
34
35 #include <string.h>
36 #include <math.h>
37 #include <stdio.h>                      
38
39 #ifdef HAVE_CONFIG_H
40 #include <config.h>
41 #endif
42
43 #include "MEM_guardedalloc.h"
44
45 #include "DNA_action_types.h"
46 #include "DNA_armature_types.h"
47 #include "DNA_camera_types.h"
48 #include "DNA_constraint_types.h"
49 #include "DNA_curve_types.h"
50 #include "DNA_group_types.h"
51 #include "DNA_ipo_types.h"
52 #include "DNA_lamp_types.h"
53 #include "DNA_lattice_types.h"
54 #include "DNA_material_types.h"
55 #include "DNA_mesh_types.h"
56 #include "DNA_meshdata_types.h"
57 #include "DNA_modifier_types.h"
58 #include "DNA_nla_types.h"
59 #include "DNA_object_types.h"
60 #include "DNA_object_force.h"
61 #include "DNA_object_fluidsim.h"
62 #include "DNA_oops_types.h"
63 #include "DNA_particle_types.h"
64 #include "DNA_scene_types.h"
65 #include "DNA_screen_types.h"
66 #include "DNA_space_types.h"
67 #include "DNA_texture_types.h"
68 #include "DNA_userdef_types.h"
69 #include "DNA_view3d_types.h"
70 #include "DNA_world_types.h"
71
72 #include "BKE_armature.h"
73 #include "BKE_action.h"
74 #include "BKE_colortools.h"
75 #include "BKE_deform.h"
76 #include "BKE_DerivedMesh.h"
77 #include "BKE_nla.h"
78
79 #include "BLI_blenlib.h"
80 #include "BLI_arithb.h"
81 #include "BLI_editVert.h"
82
83 #include "BKE_utildefines.h"
84 #include "BKE_bad_level_calls.h"
85
86 #include "BKE_main.h"
87 #include "BKE_global.h"
88
89 #include "BKE_anim.h"
90 #include "BKE_blender.h"
91 #include "BKE_constraint.h"
92 #include "BKE_curve.h"
93 #include "BKE_displist.h"
94 #include "BKE_effect.h"
95 #include "BKE_group.h"
96 #include "BKE_icons.h"
97 #include "BKE_ipo.h"
98 #include "BKE_key.h"
99 #include "BKE_lattice.h"
100 #include "BKE_library.h"
101 #include "BKE_mesh.h"
102 #include "BKE_mball.h"
103 #include "BKE_modifier.h"
104 #include "BKE_object.h"
105 #include "BKE_particle.h"
106 #include "BKE_property.h"
107 #include "BKE_sca.h"
108 #include "BKE_scene.h"
109 #include "BKE_screen.h"
110 #include "BKE_softbody.h"
111
112 #include "LBM_fluidsim.h"
113
114 #include "BPY_extern.h"
115
116 /* Local function protos */
117 static void solve_parenting (Object *ob, Object *par, float obmat[][4], float slowmat[][4], int simul);
118
119 float originmat[3][3];  /* after where_is_object(), can be used in other functions (bad!) */
120 Object workob;
121
122 void clear_workob(void)
123 {
124         memset(&workob, 0, sizeof(Object));
125         
126         workob.size[0]= workob.size[1]= workob.size[2]= 1.0;
127         
128 }
129
130 void copy_baseflags()
131 {
132         Base *base= G.scene->base.first;
133         
134         while(base) {
135                 base->object->flag= base->flag;
136                 base= base->next;
137         }
138 }
139
140 void copy_objectflags()
141 {
142         Base *base= G.scene->base.first;
143         
144         while(base) {
145                 base->flag= base->object->flag;
146                 base= base->next;
147         }
148 }
149
150 void update_base_layer(Object *ob)
151 {
152         Base *base= G.scene->base.first;
153
154         while (base) {
155                 if (base->object == ob) base->lay= ob->lay;
156                 base= base->next;
157         }
158 }
159
160 void object_free_modifiers(Object *ob)
161 {
162         while (ob->modifiers.first) {
163                 ModifierData *md = ob->modifiers.first;
164
165                 BLI_remlink(&ob->modifiers, md);
166
167                 modifier_free(md);
168         }
169
170         /* particle modifiers were freed, so free the particlesystems as well */
171         while(ob->particlesystem.first){
172                 ParticleSystem *psys = ob->particlesystem.first;
173
174                 BLI_remlink(&ob->particlesystem,psys);
175
176                 psys_free(ob,psys);
177         }
178 }
179
180 /* here we will collect all local displist stuff */
181 /* also (ab)used in depsgraph */
182 void object_free_display(Object *ob)
183 {
184         if(ob->derivedDeform) {
185                 ob->derivedDeform->needsFree = 1;
186                 ob->derivedDeform->release(ob->derivedDeform);
187                 ob->derivedDeform= NULL;
188         }
189         if(ob->derivedFinal) {
190                 ob->derivedFinal->needsFree = 1;
191                 ob->derivedFinal->release(ob->derivedFinal);
192                 ob->derivedFinal= NULL;
193         }
194         
195         freedisplist(&ob->disp);
196 }
197
198 /* do not free object itself */
199 void free_object(Object *ob)
200 {
201         int a;
202         
203         object_free_display(ob);
204         
205         /* disconnect specific data */
206         if(ob->data) {
207                 ID *id= ob->data;
208                 id->us--;
209                 if(id->us==0) {
210                         if(ob->type==OB_MESH) unlink_mesh(ob->data);
211                         else if(ob->type==OB_CURVE) unlink_curve(ob->data);
212                         else if(ob->type==OB_MBALL) unlink_mball(ob->data);
213                 }
214                 ob->data= 0;
215         }
216         
217         for(a=0; a<ob->totcol; a++) {
218                 if(ob->mat[a]) ob->mat[a]->id.us--;
219         }
220         if(ob->mat) MEM_freeN(ob->mat);
221         ob->mat= 0;
222         if(ob->bb) MEM_freeN(ob->bb); 
223         ob->bb= 0;
224         if(ob->path) free_path(ob->path); 
225         ob->path= 0;
226         if(ob->ipo) ob->ipo->id.us--;
227         if(ob->action) ob->action->id.us--;
228         if(ob->dup_group) ob->dup_group->id.us--;
229         if(ob->defbase.first)
230                 BLI_freelistN(&ob->defbase);
231         if(ob->pose) {
232                 free_pose_channels(ob->pose);
233                 MEM_freeN(ob->pose);
234         }
235         free_effects(&ob->effect);
236         free_properties(&ob->prop);
237         object_free_modifiers(ob);
238         
239         free_sensors(&ob->sensors);
240         free_controllers(&ob->controllers);
241         free_actuators(&ob->actuators);
242         
243         free_constraints(&ob->constraints);
244         free_constraint_channels(&ob->constraintChannels);
245         free_nlastrips(&ob->nlastrips);
246         
247         BPY_free_scriptlink(&ob->scriptlink);
248         
249         if(ob->pd){
250                 if(ob->pd->tex)
251                         ob->pd->tex->id.us--;
252                 MEM_freeN(ob->pd);
253         }
254         if(ob->soft) sbFree(ob->soft);
255         if(ob->fluidsimSettings) fluidsimSettingsFree(ob->fluidsimSettings);
256 }
257
258 static void unlink_object__unlinkModifierLinks(void *userData, Object *ob, Object **obpoin)
259 {
260         Object *unlinkOb = userData;
261
262         if (*obpoin==unlinkOb) {
263                 *obpoin = NULL;
264                 ob->recalc |= OB_RECALC;
265         }
266 }
267 void unlink_object(Object *ob)
268 {
269         Object *obt;
270         Material *mat;
271         World *wrld;
272         bScreen *sc;
273         Scene *sce;
274         Curve *cu;
275         Tex *tex;
276         Ipo *ipo;
277         Group *group;
278         Camera *camera;
279         bConstraint *con;
280         bActionStrip *strip;
281         int a;
282         
283         unlink_controllers(&ob->controllers);
284         unlink_actuators(&ob->actuators);
285         
286         /* check all objects: parents en bevels and fields, also from libraries */
287         obt= G.main->object.first;
288         while(obt) {
289                 if(obt->proxy==ob)
290                         obt->proxy= NULL;
291                 if(obt->proxy_from==ob) {
292                         obt->proxy_from= NULL;
293                         obt->recalc |= OB_RECALC_OB;
294                 }
295                 if(obt->proxy_group==ob)
296                         obt->proxy_group= NULL;
297                 
298                 if(obt->parent==ob) {
299                         obt->parent= NULL;
300                         obt->recalc |= OB_RECALC;
301                 }
302                 
303                 if(obt->track==ob) {
304                         obt->track= NULL;
305                         obt->recalc |= OB_RECALC_OB;
306                 }
307                 
308                 modifiers_foreachObjectLink(obt, unlink_object__unlinkModifierLinks, ob);
309                 
310                 if ELEM(obt->type, OB_CURVE, OB_FONT) {
311                         cu= obt->data;
312
313                         if(cu->bevobj==ob) {
314                                 cu->bevobj= NULL;
315                                 obt->recalc |= OB_RECALC;
316                         }
317                         if(cu->taperobj==ob) {
318                                 cu->taperobj= NULL;
319                                 obt->recalc |= OB_RECALC;
320                         }
321                         if(cu->textoncurve==ob) {
322                                 cu->textoncurve= NULL;
323                                 obt->recalc |= OB_RECALC;
324                         }
325                 }
326                 else if(obt->type==OB_ARMATURE && obt->pose) {
327                         bPoseChannel *pchan;
328                         for(pchan= obt->pose->chanbase.first; pchan; pchan= pchan->next) {
329                                 for (con = pchan->constraints.first; con; con=con->next) {
330                                         bConstraintTypeInfo *cti= constraint_get_typeinfo(con);
331                                         ListBase targets = {NULL, NULL};
332                                         bConstraintTarget *ct;
333                                         
334                                         if (cti && cti->get_constraint_targets) {
335                                                 cti->get_constraint_targets(con, &targets);
336                                                 
337                                                 for (ct= targets.first; ct; ct= ct->next) {
338                                                         if (ct->tar == ob) {
339                                                                 ct->tar = NULL;
340                                                                 strcpy(ct->subtarget, "");
341                                                                 obt->recalc |= OB_RECALC_DATA;
342                                                         }
343                                                 }
344                                                 
345                                                 if (cti->flush_constraint_targets)
346                                                         cti->flush_constraint_targets(con, &targets, 0);
347                                         }
348                                 }
349                                 if(pchan->custom==ob)
350                                         pchan->custom= NULL;
351                         }
352                 }
353                 
354                 sca_remove_ob_poin(obt, ob);
355                 
356                 for (con = obt->constraints.first; con; con=con->next) {
357                         bConstraintTypeInfo *cti= constraint_get_typeinfo(con);
358                         ListBase targets = {NULL, NULL};
359                         bConstraintTarget *ct;
360                         
361                         if (cti && cti->get_constraint_targets) {
362                                 cti->get_constraint_targets(con, &targets);
363                                 
364                                 for (ct= targets.first; ct; ct= ct->next) {
365                                         if (ct->tar == ob) {
366                                                 ct->tar = NULL;
367                                                 strcpy(ct->subtarget, "");
368                                                 obt->recalc |= OB_RECALC_DATA;
369                                         }
370                                 }
371                                 
372                                 if (cti->flush_constraint_targets)
373                                         cti->flush_constraint_targets(con, &targets, 0);
374                         }
375                 }
376                 
377                 /* object is deflector or field */
378                 if(ob->pd) {
379                         if(give_parteff(obt))
380                                 obt->recalc |= OB_RECALC_DATA;
381                         else if(obt->soft)
382                                 obt->recalc |= OB_RECALC_DATA;
383                 }
384                 
385                 /* strips */
386                 for(strip= obt->nlastrips.first; strip; strip= strip->next) {
387                         if(strip->object==ob)
388                                 strip->object= NULL;
389                         
390                         if(strip->modifiers.first) {
391                                 bActionModifier *amod;
392                                 for(amod= strip->modifiers.first; amod; amod= amod->next)
393                                         if(amod->ob==ob)
394                                                 amod->ob= NULL;
395                         }
396                 }
397
398                 /* particle systems */
399                 if(obt->particlesystem.first) {
400                         ParticleSystem *tpsys= obt->particlesystem.first;
401                         for(; tpsys; tpsys=tpsys->next) {
402                                 if(tpsys->keyed_ob==ob) {
403                                         ParticleSystem *psys= BLI_findlink(&ob->particlesystem,tpsys->keyed_psys-1);
404
405                                         if(psys && psys->keyed_ob) {
406                                                 tpsys->keyed_ob= psys->keyed_ob;
407                                                 tpsys->keyed_psys= psys->keyed_psys;
408                                         }
409                                         else
410                                                 tpsys->keyed_ob= NULL;
411
412                                         obt->recalc |= OB_RECALC_DATA;
413                                 }
414
415                                 if(tpsys->target_ob==ob) {
416                                         tpsys->target_ob= NULL;
417                                         obt->recalc |= OB_RECALC_DATA;
418                                 }
419
420                                 if(tpsys->part->dup_ob==ob)
421                                         tpsys->part->dup_ob= NULL;
422
423                                 if(tpsys->part->flag&PART_STICKY) {
424                                         ParticleData *pa;
425                                         int p;
426
427                                         for(p=0,pa=tpsys->particles; p<tpsys->totpart; p++,pa++) {
428                                                 if(pa->stick_ob==ob) {
429                                                         pa->stick_ob= 0;
430                                                         pa->flag &= ~PARS_STICKY;
431                                                 }
432                                         }
433                                 }
434                         }
435                         if(ob->pd)
436                                 obt->recalc |= OB_RECALC_DATA;
437                 }
438
439                 obt= obt->id.next;
440         }
441         
442         /* materials */
443         mat= G.main->mat.first;
444         while(mat) {
445         
446                 for(a=0; a<MAX_MTEX; a++) {
447                         if(mat->mtex[a] && ob==mat->mtex[a]->object) {
448                                 /* actually, test for lib here... to do */
449                                 mat->mtex[a]->object= NULL;
450                         }
451                 }
452
453                 mat= mat->id.next;
454         }
455         
456         /* textures */
457         tex= G.main->tex.first;
458         while(tex) {
459                 if(tex->env) {
460                         if(tex->env->object == ob) tex->env->object= NULL;
461                 }
462                 tex= tex->id.next;
463         }
464         
465         /* mballs */
466         if(ob->type==OB_MBALL) {
467                 obt= find_basis_mball(ob);
468                 if(obt) freedisplist(&obt->disp);
469         }
470         
471         /* worlds */
472         wrld= G.main->world.first;
473         while(wrld) {
474                 if(wrld->id.lib==NULL) {
475                         for(a=0; a<MAX_MTEX; a++) {
476                                 if(wrld->mtex[a] && ob==wrld->mtex[a]->object)
477                                         wrld->mtex[a]->object= NULL;
478                         }
479                 }
480                 
481                 wrld= wrld->id.next;
482         }
483                 
484         /* scenes */
485         sce= G.main->scene.first;
486         while(sce) {
487                 if(sce->id.lib==NULL) {
488                         if(sce->camera==ob) sce->camera= NULL;
489                 }
490                 sce= sce->id.next;
491         }
492         /* ipos */
493         ipo= G.main->ipo.first;
494         while(ipo) {
495                 if(ipo->id.lib==NULL) {
496                         IpoCurve *icu;
497                         for(icu= ipo->curve.first; icu; icu= icu->next) {
498                                 if(icu->driver && icu->driver->ob==ob)
499                                         icu->driver->ob= NULL;
500                         }
501                 }
502                 ipo= ipo->id.next;
503         }
504         
505         /* screens */
506         sc= G.main->screen.first;
507         while(sc) {
508                 ScrArea *sa= sc->areabase.first;
509                 while(sa) {
510                         SpaceLink *sl;
511
512                         for (sl= sa->spacedata.first; sl; sl= sl->next) {
513                                 if(sl->spacetype==SPACE_VIEW3D) {
514                                         View3D *v3d= (View3D*) sl;
515
516                                         if(v3d->camera==ob) {
517                                                 v3d->camera= NULL;
518                                                 if(v3d->persp>1) v3d->persp= 1;
519                                         }
520                                         if(v3d->localvd && v3d->localvd->camera==ob ) {
521                                                 v3d->localvd->camera= NULL;
522                                                 if(v3d->localvd->persp>1) v3d->localvd->persp= 1;
523                                         }
524                                 }
525                                 else if(sl->spacetype==SPACE_IPO) {
526                                         SpaceIpo *sipo= (SpaceIpo *)sl;
527                                         if(sipo->from == (ID *)ob) sipo->from= NULL;
528                                 }
529                                 else if(sl->spacetype==SPACE_OOPS) {
530                                         SpaceOops *so= (SpaceOops *)sl;
531                                         Oops *oops;
532
533                                         oops= so->oops.first;
534                                         while(oops) {
535                                                 if(oops->id==(ID *)ob) oops->id= NULL;
536                                                 oops= oops->next;
537                                         }
538                                         if(so->treestore) {
539                                                 TreeStoreElem *tselem= so->treestore->data;
540                                                 int a;
541                                                 for(a=0; a<so->treestore->usedelem; a++, tselem++) {
542                                                         if(tselem->id==(ID *)ob) tselem->id= NULL;
543                                                 }
544                                         }
545                                         so->lockpoin= NULL;
546                                 }
547                         }
548
549                         sa= sa->next;
550                 }
551                 sc= sc->id.next;
552         }
553
554         /* groups */
555         group= G.main->group.first;
556         while(group) {
557                 rem_from_group(group, ob);
558                 group= group->id.next;
559         }
560         
561         /* cameras */
562         camera= G.main->camera.first;
563         while(camera) {
564                 if (camera->dof_ob==ob) {
565                         camera->dof_ob = NULL;
566                 }
567                 camera= camera->id.next;
568         }
569 }
570
571 int exist_object(Object *obtest)
572 {
573         Object *ob;
574         
575         if(obtest==NULL) return 0;
576         
577         ob= G.main->object.first;
578         while(ob) {
579                 if(ob==obtest) return 1;
580                 ob= ob->id.next;
581         }
582         return 0;
583 }
584
585 void *add_camera(char *name)
586 {
587         Camera *cam;
588         
589         cam=  alloc_libblock(&G.main->camera, ID_CA, name);
590
591         cam->lens= 35.0f;
592         cam->angle= 49.14f;
593         cam->clipsta= 0.1f;
594         cam->clipend= 100.0f;
595         cam->drawsize= 0.5f;
596         cam->ortho_scale= 6.0;
597         cam->flag |= CAM_SHOWTITLESAFE;
598         cam->passepartalpha = 0.2f;
599         
600         return cam;
601 }
602
603 Camera *copy_camera(Camera *cam)
604 {
605         Camera *camn;
606         
607         camn= copy_libblock(cam);
608         id_us_plus((ID *)camn->ipo);
609
610         BPY_copy_scriptlink(&camn->scriptlink);
611         
612         return camn;
613 }
614
615
616
617 void make_local_camera(Camera *cam)
618 {
619         Object *ob;
620         Camera *camn;
621         int local=0, lib=0;
622
623         /* - only lib users: do nothing
624             * - only local users: set flag
625             * - mixed: make copy
626             */
627         
628         if(cam->id.lib==0) return;
629         if(cam->id.us==1) {
630                 cam->id.lib= 0;
631                 cam->id.flag= LIB_LOCAL;
632                 new_id(0, (ID *)cam, 0);
633                 return;
634         }
635         
636         ob= G.main->object.first;
637         while(ob) {
638                 if(ob->data==cam) {
639                         if(ob->id.lib) lib= 1;
640                         else local= 1;
641                 }
642                 ob= ob->id.next;
643         }
644         
645         if(local && lib==0) {
646                 cam->id.lib= 0;
647                 cam->id.flag= LIB_LOCAL;
648                 new_id(0, (ID *)cam, 0);
649         }
650         else if(local && lib) {
651                 camn= copy_camera(cam);
652                 camn->id.us= 0;
653                 
654                 ob= G.main->object.first;
655                 while(ob) {
656                         if(ob->data==cam) {
657                                 
658                                 if(ob->id.lib==0) {
659                                         ob->data= camn;
660                                         camn->id.us++;
661                                         cam->id.us--;
662                                 }
663                         }
664                         ob= ob->id.next;
665                 }
666         }
667 }
668
669 /* get the camera's dof value, takes the dof object into account */
670 float dof_camera(Object *ob)
671 {
672         Camera *cam = (Camera *)ob->data; 
673         if (ob->type != OB_CAMERA)
674                 return 0.0;
675         if (cam->dof_ob) {      
676                 /* too simple, better to return the distance on the view axis only
677                  * return VecLenf(ob->obmat[3], cam->dof_ob->obmat[3]); */
678                 
679                 float mat[4][4];
680                 Mat4Invert(ob->imat, ob->obmat);
681                 Mat4MulMat4(mat, cam->dof_ob->obmat, ob->imat);
682                 return fabs(mat[3][2]);
683         }
684         return cam->YF_dofdist;
685 }
686
687 void *add_lamp(char *name)
688 {
689         Lamp *la;
690         
691         la=  alloc_libblock(&G.main->lamp, ID_LA, name);
692         
693         la->r= la->g= la->b= la->k= 1.0;
694         la->haint= la->energy= 1.0;
695         la->dist= 20.0;
696         la->spotsize= 45.0;
697         la->spotblend= 0.15;
698         la->att2= 1.0;
699         la->mode= LA_SHAD_BUF;
700         la->bufsize= 512;
701         la->clipsta= 0.5;
702         la->clipend= 40.0;
703         la->shadspotsize= 45.0;
704         la->samp= 3;
705         la->bias= 1.0;
706         la->soft= 3.0;
707         la->ray_samp= la->ray_sampy= la->ray_sampz= 1; 
708         la->area_size=la->area_sizey=la->area_sizez= 1.0; 
709         la->buffers= 1;
710         la->buftype= LA_SHADBUF_HALFWAY;
711         la->ray_samp_method = LA_SAMP_HALTON;
712         la->adapt_thresh = 0.001;
713         la->preview=NULL;
714         la->falloff_type = LA_FALLOFF_INVLINEAR;
715         la->curfalloff = curvemapping_add(1, 0.0f, 1.0f, 1.0f, 0.0f);
716         curvemapping_initialize(la->curfalloff);
717         return la;
718 }
719
720 Lamp *copy_lamp(Lamp *la)
721 {
722         Lamp *lan;
723         int a;
724         
725         lan= copy_libblock(la);
726
727         for(a=0; a<MAX_MTEX; a++) {
728                 if(lan->mtex[a]) {
729                         lan->mtex[a]= MEM_mallocN(sizeof(MTex), "copylamptex");
730                         memcpy(lan->mtex[a], la->mtex[a], sizeof(MTex));
731                         id_us_plus((ID *)lan->mtex[a]->tex);
732                 }
733         }
734         
735         lan->curfalloff = curvemapping_copy(la->curfalloff);
736         
737         id_us_plus((ID *)lan->ipo);
738
739         if (la->preview) lan->preview = BKE_previewimg_copy(la->preview);
740
741         BPY_copy_scriptlink(&la->scriptlink);
742         
743         return lan;
744 }
745
746 void make_local_lamp(Lamp *la)
747 {
748         Object *ob;
749         Lamp *lan;
750         int local=0, lib=0;
751
752         /* - only lib users: do nothing
753             * - only local users: set flag
754             * - mixed: make copy
755             */
756         
757         if(la->id.lib==0) return;
758         if(la->id.us==1) {
759                 la->id.lib= 0;
760                 la->id.flag= LIB_LOCAL;
761                 new_id(0, (ID *)la, 0);
762                 return;
763         }
764         
765         ob= G.main->object.first;
766         while(ob) {
767                 if(ob->data==la) {
768                         if(ob->id.lib) lib= 1;
769                         else local= 1;
770                 }
771                 ob= ob->id.next;
772         }
773         
774         if(local && lib==0) {
775                 la->id.lib= 0;
776                 la->id.flag= LIB_LOCAL;
777                 new_id(0, (ID *)la, 0);
778         }
779         else if(local && lib) {
780                 lan= copy_lamp(la);
781                 lan->id.us= 0;
782                 
783                 ob= G.main->object.first;
784                 while(ob) {
785                         if(ob->data==la) {
786                                 
787                                 if(ob->id.lib==0) {
788                                         ob->data= lan;
789                                         lan->id.us++;
790                                         la->id.us--;
791                                 }
792                         }
793                         ob= ob->id.next;
794                 }
795         }
796 }
797
798 void free_camera(Camera *ca)
799 {
800         BPY_free_scriptlink(&ca->scriptlink);
801 }
802
803 void free_lamp(Lamp *la)
804 {
805         MTex *mtex;
806         int a;
807
808         /* scriptlinks */
809                 
810         BPY_free_scriptlink(&la->scriptlink);
811
812         for(a=0; a<MAX_MTEX; a++) {
813                 mtex= la->mtex[a];
814                 if(mtex && mtex->tex) mtex->tex->id.us--;
815                 if(mtex) MEM_freeN(mtex);
816         }
817         la->ipo= 0;
818
819         curvemapping_free(la->curfalloff);
820         
821         BKE_previewimg_free(&la->preview);
822         BKE_icon_delete(&la->id);
823         la->id.icon_id = 0;
824 }
825
826 void *add_wave()
827 {
828         return 0;
829 }
830
831
832 /* *************************************************** */
833
834 static void *add_obdata_from_type(int type)
835 {
836         switch (type) {
837         case OB_MESH: G.totmesh++; return add_mesh("Mesh");
838         case OB_CURVE: G.totcurve++; return add_curve("Curve", OB_CURVE);
839         case OB_SURF: G.totcurve++; return add_curve("Surf", OB_SURF);
840         case OB_FONT: return add_curve("Text", OB_FONT);
841         case OB_MBALL: return add_mball("Meta");
842         case OB_CAMERA: return add_camera("Camera");
843         case OB_LAMP: G.totlamp++; return add_lamp("Lamp");
844         case OB_LATTICE: return add_lattice("Lattice");
845         case OB_WAVE: return add_wave();
846         case OB_ARMATURE: return add_armature("Armature");
847         case OB_EMPTY: return NULL;
848         default:
849                 printf("add_obdata_from_type: Internal error, bad type: %d\n", type);
850                 return NULL;
851         }
852 }
853
854 static char *get_obdata_defname(int type)
855 {
856         switch (type) {
857         case OB_MESH: return "Mesh";
858         case OB_CURVE: return "Curve";
859         case OB_SURF: return "Surf";
860         case OB_FONT: return "Font";
861         case OB_MBALL: return "Mball";
862         case OB_CAMERA: return "Camera";
863         case OB_LAMP: return "Lamp";
864         case OB_LATTICE: return "Lattice";
865         case OB_WAVE: return "Wave";
866         case OB_ARMATURE: return "Armature";
867         case OB_EMPTY: return "Empty";
868         default:
869                 printf("get_obdata_defname: Internal error, bad type: %d\n", type);
870                 return "Empty";
871         }
872 }
873
874 /* more general add: creates minimum required data, but without vertices etc. */
875 Object *add_only_object(int type, char *name)
876 {
877         Object *ob;
878
879         ob= alloc_libblock(&G.main->object, ID_OB, name);
880         G.totobj++;
881
882         /* default object vars */
883         ob->type= type;
884         /* ob->transflag= OB_QUAT; */
885
886         QuatOne(ob->quat);
887         QuatOne(ob->dquat);
888
889         ob->col[0]= ob->col[1]= ob->col[2]= 0.0;
890         ob->col[3]= 1.0;
891
892         ob->loc[0]= ob->loc[1]= ob->loc[2]= 0.0;
893         ob->rot[0]= ob->rot[1]= ob->rot[2]= 0.0;
894         ob->size[0]= ob->size[1]= ob->size[2]= 1.0;
895
896         Mat4One(ob->constinv);
897         Mat4One(ob->parentinv);
898         Mat4One(ob->obmat);
899         ob->dt= OB_SHADED;
900         if(U.flag & USER_MAT_ON_OB) ob->colbits= -1;
901         ob->empty_drawtype= OB_ARROWS;
902         ob->empty_drawsize= 1.0;
903
904         if(type==OB_CAMERA || type==OB_LAMP) {
905                 ob->trackflag= OB_NEGZ;
906                 ob->upflag= OB_POSY;
907         }
908         else {
909                 ob->trackflag= OB_POSY;
910                 ob->upflag= OB_POSZ;
911         }
912         ob->ipoflag = OB_OFFS_OB+OB_OFFS_PARENT;
913         ob->ipowin= ID_OB;      /* the ipowin shown */
914         ob->dupon= 1; ob->dupoff= 0;
915         ob->dupsta= 1; ob->dupend= 100;
916
917         /* Game engine defaults*/
918         ob->mass= ob->inertia= 1.0f;
919         ob->formfactor= 0.4f;
920         ob->damping= 0.04f;
921         ob->rdamping= 0.1f;
922         ob->anisotropicFriction[0] = 1.0f;
923         ob->anisotropicFriction[1] = 1.0f;
924         ob->anisotropicFriction[2] = 1.0f;
925         ob->gameflag= OB_PROP;
926
927         /* NT fluid sim defaults */
928         ob->fluidsimFlag = 0;
929         ob->fluidsimSettings = NULL;
930
931         return ob;
932 }
933
934 /* general add: to G.scene, with layer from area and default name */
935 /* creates minimum required data, but without vertices etc. */
936 Object *add_object(int type)
937 {
938         Object *ob;
939         Base *base;
940         char name[32];
941
942         strcpy(name, get_obdata_defname(type));
943         ob = add_only_object(type, name);
944
945         ob->data= add_obdata_from_type(type);
946
947         ob->lay= G.scene->lay;
948
949         base= scene_add_base(G.scene, ob);
950         scene_select_base(G.scene, base);
951         ob->recalc |= OB_RECALC;
952
953         return ob;
954 }
955
956 void base_init_from_view3d(Base *base, View3D *v3d)
957 {
958         Object *ob= base->object;
959         
960         if (!v3d) {
961                 /* no 3d view, this wont happen often */
962                 base->lay = 1;
963                 VECCOPY(ob->loc, G.scene->cursor);
964                 
965                 /* return now because v3d->viewquat isnt available */
966                 return;
967         } else if (v3d->localview) {
968                 base->lay= ob->lay= v3d->layact + v3d->lay;
969                 VECCOPY(ob->loc, v3d->cursor);
970         } else {
971                 base->lay= ob->lay= v3d->layact;
972                 VECCOPY(ob->loc, G.scene->cursor);
973         }
974
975         if (U.flag & USER_ADD_VIEWALIGNED) {
976                 v3d->viewquat[0]= -v3d->viewquat[0];
977                 if (ob->transflag & OB_QUAT) {
978                         QUATCOPY(ob->quat, v3d->viewquat);
979                 } else {
980                         QuatToEul(v3d->viewquat, ob->rot);
981                 }
982                 v3d->viewquat[0]= -v3d->viewquat[0];
983         }
984 }
985
986 SoftBody *copy_softbody(SoftBody *sb)
987 {
988         SoftBody *sbn;
989         
990         if (sb==NULL) return(NULL);
991         
992         sbn= MEM_dupallocN(sb);
993         sbn->totspring= sbn->totpoint= 0;
994         sbn->bpoint= NULL;
995         sbn->bspring= NULL;
996         sbn->ctime= 0.0f;
997         
998         sbn->keys= NULL;
999         sbn->totkey= sbn->totpointkey= 0;
1000         
1001         sbn->scratch= NULL;
1002         return sbn;
1003 }
1004
1005 ParticleSystem *copy_particlesystem(ParticleSystem *psys)
1006 {
1007         ParticleSystem *psysn;
1008
1009         psysn= MEM_dupallocN(psys);
1010         psysn->particles= MEM_dupallocN(psys->particles);
1011
1012         psysn->child= MEM_dupallocN(psys->child);
1013
1014         psysn->effectors.first= psysn->effectors.last= 0;
1015
1016         id_us_plus((ID *)psysn->part);
1017
1018         return psysn;
1019 }
1020
1021 static void copy_object_pose(Object *obn, Object *ob)
1022 {
1023         bPoseChannel *chan;
1024         
1025         copy_pose(&obn->pose, ob->pose, 1);
1026
1027         for (chan = obn->pose->chanbase.first; chan; chan=chan->next){
1028                 bConstraint *con;
1029                 
1030                 chan->flag &= ~(POSE_LOC|POSE_ROT|POSE_SIZE);
1031                 
1032                 for (con= chan->constraints.first; con; con= con->next) {
1033                         bConstraintTypeInfo *cti= constraint_get_typeinfo(con);
1034                         ListBase targets = {NULL, NULL};
1035                         bConstraintTarget *ct;
1036                         
1037                         if (cti && cti->get_constraint_targets) {
1038                                 cti->get_constraint_targets(con, &targets);
1039                                 
1040                                 for (ct= targets.first; ct; ct= ct->next) {
1041                                         if (ct->tar == ob)
1042                                                 ct->tar = obn;
1043                                 }
1044                                 
1045                                 if (cti->flush_constraint_targets)
1046                                         cti->flush_constraint_targets(con, &targets, 0);
1047                         }
1048                 }
1049         }
1050 }
1051
1052 Object *copy_object(Object *ob)
1053 {
1054         Object *obn;
1055         ModifierData *md;
1056         ParticleSystem *psys;
1057         int a;
1058
1059         obn= copy_libblock(ob);
1060         
1061         if(ob->totcol) {
1062                 obn->mat= MEM_dupallocN(ob->mat);
1063         }
1064         
1065         if(ob->bb) obn->bb= MEM_dupallocN(ob->bb);
1066         obn->path= NULL;
1067         obn->flag &= ~OB_FROMGROUP;
1068         
1069         copy_effects(&obn->effect, &ob->effect);
1070         obn->modifiers.first = obn->modifiers.last= NULL;
1071         
1072         for (md=ob->modifiers.first; md; md=md->next) {
1073                 ModifierData *nmd = modifier_new(md->type);
1074                 modifier_copyData(md, nmd);
1075                 BLI_addtail(&obn->modifiers, nmd);
1076         }
1077         
1078         BPY_copy_scriptlink(&ob->scriptlink);
1079         
1080         copy_properties(&obn->prop, &ob->prop);
1081         copy_sensors(&obn->sensors, &ob->sensors);
1082         copy_controllers(&obn->controllers, &ob->controllers);
1083         copy_actuators(&obn->actuators, &ob->actuators);
1084         
1085         if(ob->pose) {
1086                 copy_object_pose(obn, ob);
1087                 /* backwards compat... non-armatures can get poses in older files? */
1088                 if(ob->type==OB_ARMATURE)
1089                         armature_rebuild_pose(obn, obn->data);
1090         }
1091         copy_defgroups(&obn->defbase, &ob->defbase);
1092         copy_nlastrips(&obn->nlastrips, &ob->nlastrips);
1093         copy_constraints (&obn->constraints, &ob->constraints);
1094
1095         clone_constraint_channels (&obn->constraintChannels, &ob->constraintChannels);
1096
1097         /* increase user numbers */
1098         id_us_plus((ID *)obn->data);
1099         id_us_plus((ID *)obn->ipo);
1100         id_us_plus((ID *)obn->action);
1101         id_us_plus((ID *)obn->dup_group);
1102
1103         for(a=0; a<obn->totcol; a++) id_us_plus((ID *)obn->mat[a]);
1104         
1105         obn->disp.first= obn->disp.last= NULL;
1106         
1107         if(ob->pd){
1108                 obn->pd= MEM_dupallocN(ob->pd);
1109                 if(obn->pd->tex)
1110                         id_us_plus(&(obn->pd->tex->id));
1111         }
1112         obn->soft= copy_softbody(ob->soft);
1113
1114         /* NT copy fluid sim setting memory */
1115         if(obn->fluidsimSettings) {
1116                 obn->fluidsimSettings = fluidsimSettingsCopy(ob->fluidsimSettings);
1117                 /* copying might fail... */
1118                 if(obn->fluidsimSettings) {
1119                         obn->fluidsimSettings->orgMesh = (Mesh *)obn->data;
1120                 }
1121         }
1122
1123         obn->particlesystem.first= obn->particlesystem.last= NULL;
1124         for(psys=ob->particlesystem.first; psys; psys=psys->next) {
1125                 ParticleSystemModifierData *psmd;
1126                 ParticleSystem *npsys= copy_particlesystem(psys);
1127
1128                 BLI_addtail(&obn->particlesystem, npsys);
1129
1130                 /* need to update particle modifiers too */
1131                 for(md=obn->modifiers.first; md; md=md->next) {
1132                         if(md->type==eModifierType_ParticleSystem) {
1133                                 psmd= (ParticleSystemModifierData*)md;
1134                                 if(psmd->psys==psys)
1135                                         psmd->psys= npsys;
1136                         }
1137                 }
1138         }
1139         
1140         obn->derivedDeform = NULL;
1141         obn->derivedFinal = NULL;
1142
1143 #ifdef WITH_VERSE
1144         obn->vnode = NULL;
1145 #endif
1146
1147
1148         return obn;
1149 }
1150
1151 void expand_local_object(Object *ob)
1152 {
1153         bActionStrip *strip;
1154         int a;
1155         
1156         id_lib_extern((ID *)ob->action);
1157         id_lib_extern((ID *)ob->ipo);
1158         id_lib_extern((ID *)ob->data);
1159         
1160         for(a=0; a<ob->totcol; a++) {
1161                 id_lib_extern((ID *)ob->mat[a]);
1162         }
1163         for (strip=ob->nlastrips.first; strip; strip=strip->next) {
1164                 id_lib_extern((ID *)strip->act);
1165         }
1166
1167 }
1168
1169 void make_local_object(Object *ob)
1170 {
1171         Object *obn;
1172         Scene *sce;
1173         Base *base;
1174         int local=0, lib=0;
1175
1176         /* - only lib users: do nothing
1177             * - only local users: set flag
1178             * - mixed: make copy
1179             */
1180         
1181         if(ob->id.lib==NULL) return;
1182         
1183         ob->proxy= ob->proxy_from= NULL;
1184         
1185         if(ob->id.us==1) {
1186                 ob->id.lib= NULL;
1187                 ob->id.flag= LIB_LOCAL;
1188                 new_id(0, (ID *)ob, 0);
1189
1190         }
1191         else {
1192                 sce= G.main->scene.first;
1193                 while(sce) {
1194                         base= sce->base.first;
1195                         while(base) {
1196                                 if(base->object==ob) {
1197                                         if(sce->id.lib) lib++;
1198                                         else local++;
1199                                         break;
1200                                 }
1201                                 base= base->next;
1202                         }
1203                         sce= sce->id.next;
1204                 }
1205                 
1206                 if(local && lib==0) {
1207                         ob->id.lib= 0;
1208                         ob->id.flag= LIB_LOCAL;
1209                         new_id(0, (ID *)ob, 0);
1210                 }
1211                 else if(local && lib) {
1212                         obn= copy_object(ob);
1213                         obn->id.us= 0;
1214                         
1215                         sce= G.main->scene.first;
1216                         while(sce) {
1217                                 if(sce->id.lib==0) {
1218                                         base= sce->base.first;
1219                                         while(base) {
1220                                                 if(base->object==ob) {
1221                                                         base->object= obn;
1222                                                         obn->id.us++;
1223                                                         ob->id.us--;
1224                                                 }
1225                                                 base= base->next;
1226                                         }
1227                                 }
1228                                 sce= sce->id.next;
1229                         }
1230                 }
1231         }
1232         
1233         expand_local_object(ob);
1234 }
1235
1236 /* *************** PROXY **************** */
1237
1238 /* when you make proxy, ensure the exposed layers are extern */
1239 void armature_set_id_extern(Object *ob)
1240 {
1241         bArmature *arm= ob->data;
1242         bPoseChannel *pchan;
1243         int lay= arm->layer_protected;
1244         
1245         for (pchan = ob->pose->chanbase.first; pchan; pchan=pchan->next) {
1246                 if(!(pchan->bone->layer & lay))
1247                         id_lib_extern((ID *)pchan->custom);
1248         }
1249                         
1250 }
1251
1252 /* proxy rule: lib_object->proxy_from == the one we borrow from, set temporally while object_update */
1253 /*             local_object->proxy == pointer to library object, saved in files and read */
1254 /*             local_object->proxy_group == pointer to group dupli-object, saved in files and read */
1255
1256 void object_make_proxy(Object *ob, Object *target, Object *gob)
1257 {
1258         /* paranoia checks */
1259         if(ob->id.lib || target->id.lib==NULL) {
1260                 printf("cannot make proxy\n");
1261                 return;
1262         }
1263         
1264         ob->proxy= target;
1265         ob->proxy_group= gob;
1266         id_lib_extern(&target->id);
1267         
1268         ob->recalc= target->recalc= OB_RECALC;
1269         
1270         /* copy transform */
1271         if(gob) {
1272                 VECCOPY(ob->loc, gob->loc);
1273                 VECCOPY(ob->rot, gob->rot);
1274                 VECCOPY(ob->size, gob->size);
1275                 
1276                 group_tag_recalc(gob->dup_group);
1277         }
1278         else {
1279                 VECCOPY(ob->loc, target->loc);
1280                 VECCOPY(ob->rot, target->rot);
1281                 VECCOPY(ob->size, target->size);
1282         }
1283         
1284         ob->parent= target->parent;     /* libdata */
1285         Mat4CpyMat4(ob->parentinv, target->parentinv);
1286         ob->ipo= target->ipo;           /* libdata */
1287         
1288         /* skip constraints, constraintchannels, nla? */
1289         
1290         ob->type= target->type;
1291         ob->data= target->data;
1292         id_us_plus((ID *)ob->data);             /* ensures lib data becomes LIB_EXTERN */
1293         
1294         /* type conversions */
1295         if(target->type == OB_ARMATURE) {
1296                 copy_object_pose(ob, target);   /* data copy, object pointers in constraints */
1297                 rest_pose(ob->pose);                    /* clear all transforms in channels */
1298                 armature_rebuild_pose(ob, ob->data);    /* set all internal links */
1299                 
1300                 armature_set_id_extern(ob);
1301         }
1302 }
1303
1304
1305 /* *************** CALC ****************** */
1306
1307 /* there is also a timing calculation in drawobject() */
1308
1309 float bluroffs= 0.0f, fieldoffs= 0.0f;
1310 int no_speed_curve= 0;
1311
1312 /* ugly calls from render */
1313 void set_mblur_offs(float blur)
1314 {
1315         bluroffs= blur;
1316 }
1317
1318 void set_field_offs(float field)
1319 {
1320         fieldoffs= field;
1321 }
1322
1323 void disable_speed_curve(int val)
1324 {
1325         no_speed_curve= val;
1326 }
1327
1328 /* ob can be NULL */
1329 float bsystem_time(Object *ob, float cfra, float ofs)
1330 {
1331         /* returns float ( see frame_to_float in ipo.c) */
1332         
1333         /* bluroffs and fieldoffs are ugly globals that are set by render */
1334         cfra+= bluroffs+fieldoffs;
1335
1336         /* global time */
1337         cfra*= G.scene->r.framelen;     
1338         
1339         if (ob) {
1340                 if (no_speed_curve==0 && ob->ipo) 
1341                         cfra= calc_ipo_time(ob->ipo, cfra);
1342                 
1343                 /* ofset frames */
1344                 if ((ob->ipoflag & OB_OFFS_PARENT) && (ob->partype & PARSLOW)==0) 
1345                         cfra-= ob->sf;
1346         }
1347         
1348         cfra-= ofs;
1349
1350         return cfra;
1351 }
1352
1353 void object_to_mat3(Object *ob, float mat[][3]) /* no parent */
1354 {
1355         float smat[3][3], vec[3];
1356         float rmat[3][3];
1357         float q1[4];
1358         
1359         /* size */
1360         if(ob->ipo) {
1361                 vec[0]= ob->size[0]+ob->dsize[0];
1362                 vec[1]= ob->size[1]+ob->dsize[1];
1363                 vec[2]= ob->size[2]+ob->dsize[2];
1364                 SizeToMat3(vec, smat);
1365         }
1366         else {
1367                 SizeToMat3(ob->size, smat);
1368         }
1369
1370         /* rot */
1371         if(ob->transflag & OB_QUAT) {
1372                 if(ob->ipo) {
1373                         QuatMul(q1, ob->quat, ob->dquat);
1374                         QuatToMat3(q1, rmat);
1375                 }
1376                 else {
1377                         QuatToMat3(ob->quat, rmat);
1378                 }
1379         }
1380         else {
1381                 if(ob->ipo) {
1382                         vec[0]= ob->rot[0]+ob->drot[0];
1383                         vec[1]= ob->rot[1]+ob->drot[1];
1384                         vec[2]= ob->rot[2]+ob->drot[2];
1385                         EulToMat3(vec, rmat);
1386                 }
1387                 else {
1388                         EulToMat3(ob->rot, rmat);
1389                 }
1390         }
1391         Mat3MulMat3(mat, rmat, smat);
1392 }
1393
1394 void object_to_mat4(Object *ob, float mat[][4])
1395 {
1396         float tmat[3][3];
1397         
1398         object_to_mat3(ob, tmat);
1399         
1400         Mat4CpyMat3(mat, tmat);
1401         
1402         VECCOPY(mat[3], ob->loc);
1403         if(ob->ipo) {
1404                 mat[3][0]+= ob->dloc[0];
1405                 mat[3][1]+= ob->dloc[1];
1406                 mat[3][2]+= ob->dloc[2];
1407         }
1408 }
1409
1410 int enable_cu_speed= 1;
1411
1412 static void ob_parcurve(Object *ob, Object *par, float mat[][4])
1413 {
1414         Curve *cu;
1415         float q[4], vec[4], dir[3], *quat, x1, ctime;
1416         float timeoffs= 0.0;
1417         
1418         Mat4One(mat);
1419         
1420         cu= par->data;
1421         if(cu->path==NULL || cu->path->data==NULL) /* only happens on reload file, but violates depsgraph still... fix! */
1422                 makeDispListCurveTypes(par, 0);
1423         if(cu->path==NULL) return;
1424         
1425         /* exception, timeoffset is regarded as distance offset */
1426         if(cu->flag & CU_OFFS_PATHDIST) {
1427                 SWAP(float, timeoffs, ob->sf);
1428         }
1429         
1430         /* catch exceptions: feature for nla stride editing */
1431         if(ob->ipoflag & OB_DISABLE_PATH) {
1432                 ctime= 0.0f;
1433         }
1434         /* catch exceptions: curve paths used as a duplicator */
1435         else if(enable_cu_speed) {
1436                 ctime= bsystem_time(ob, (float)G.scene->r.cfra, 0.0);
1437                 
1438                 if(calc_ipo_spec(cu->ipo, CU_SPEED, &ctime)==0) {
1439                         ctime /= cu->pathlen;
1440                         CLAMP(ctime, 0.0, 1.0);
1441                 }
1442         }
1443         else {
1444                 ctime= G.scene->r.cfra - ob->sf;
1445                 ctime /= cu->pathlen;
1446                 
1447                 CLAMP(ctime, 0.0, 1.0);
1448         }
1449         
1450         /* time calculus is correct, now apply distance offset */
1451         if(cu->flag & CU_OFFS_PATHDIST) {
1452                 ctime += timeoffs/cu->path->totdist;
1453
1454                 /* restore */
1455                 SWAP(float, timeoffs, ob->sf);
1456         }
1457         
1458         
1459         /* vec: 4 items! */
1460         if( where_on_path(par, ctime, vec, dir) ) {
1461
1462                 if(cu->flag & CU_FOLLOW) {
1463                         quat= vectoquat(dir, ob->trackflag, ob->upflag);
1464                         
1465                         /* the tilt */
1466                         Normalize(dir);
1467                         q[0]= (float)cos(0.5*vec[3]);
1468                         x1= (float)sin(0.5*vec[3]);
1469                         q[1]= -x1*dir[0];
1470                         q[2]= -x1*dir[1];
1471                         q[3]= -x1*dir[2];
1472                         QuatMul(quat, q, quat);
1473                         
1474                         QuatToMat4(quat, mat);
1475                 }
1476                 
1477                 VECCOPY(mat[3], vec);
1478                 
1479         }
1480 }
1481
1482 static void ob_parbone(Object *ob, Object *par, float mat[][4])
1483 {       
1484         bPoseChannel *pchan;
1485         bArmature *arm;
1486         float vec[3];
1487         
1488         arm=get_armature(par);
1489         if (!arm) {
1490                 Mat4One(mat);
1491                 return;
1492         }
1493         
1494         /* Make sure the bone is still valid */
1495         pchan= get_pose_channel(par->pose, ob->parsubstr);
1496         if (!pchan){
1497                 printf ("Object %s with Bone parent: bone %s doesn't exist\n", ob->id.name+2, ob->parsubstr);
1498                 Mat4One(mat);
1499                 return;
1500         }
1501
1502         /* get bone transform */
1503         Mat4CpyMat4(mat, pchan->pose_mat);
1504
1505         /* but for backwards compatibility, the child has to move to the tail */
1506         VECCOPY(vec, mat[1]);
1507         VecMulf(vec, pchan->bone->length);
1508         VecAddf(mat[3], mat[3], vec);
1509 }
1510
1511 static void give_parvert(Object *par, int nr, float *vec)
1512 {
1513         int a, count;
1514         
1515         vec[0]=vec[1]=vec[2]= 0.0f;
1516         
1517         if(par->type==OB_MESH) {
1518                 if(G.obedit && (par->data==G.obedit->data)) {
1519                         EditMesh *em = G.editMesh;
1520                         EditVert *eve;
1521                         
1522                         for(eve= em->verts.first; eve; eve= eve->next) {
1523                                 if(eve->keyindex==nr) {
1524                                         memcpy(vec, eve->co, 12);
1525                                         break;
1526                                 }
1527                         }
1528                 }
1529                 else {
1530                         DerivedMesh *dm = par->derivedFinal;
1531                         
1532                         if(dm) {
1533                                 int i, count = 0, numVerts = dm->getNumVerts(dm);
1534                                 int *index = (int *)dm->getVertDataArray(dm, CD_ORIGINDEX);
1535                                 float co[3];
1536
1537                                 /* get the average of all verts with (original index == nr) */
1538                                 for(i = 0; i < numVerts; ++i, ++index) {
1539                                         if(*index == nr) {
1540                                                 dm->getVertCo(dm, i, co);
1541                                                 VecAddf(vec, vec, co);
1542                                                 count++;
1543                                         }
1544                                 }
1545
1546                                 if(count > 0) {
1547                                         VecMulf(vec, 1.0f / count);
1548                                 } else {
1549                                         dm->getVertCo(dm, 0, vec);
1550                                 }
1551                         }
1552                 }
1553         }
1554         else if ELEM(par->type, OB_CURVE, OB_SURF) {
1555                 Nurb *nu;
1556                 Curve *cu;
1557                 BPoint *bp;
1558                 BezTriple *bezt;
1559                 
1560                 cu= par->data;
1561                 nu= cu->nurb.first;
1562                 if(par==G.obedit) nu= editNurb.first;
1563                 
1564                 count= 0;
1565                 while(nu) {
1566                         if((nu->type & 7)==CU_BEZIER) {
1567                                 bezt= nu->bezt;
1568                                 a= nu->pntsu;
1569                                 while(a--) {
1570                                         if(count==nr) {
1571                                                 VECCOPY(vec, bezt->vec[1]);
1572                                                 break;
1573                                         }
1574                                         count++;
1575                                         bezt++;
1576                                 }
1577                         }
1578                         else {
1579                                 bp= nu->bp;
1580                                 a= nu->pntsu*nu->pntsv;
1581                                 while(a--) {
1582                                         if(count==nr) {
1583                                                 memcpy(vec, bp->vec, 12);
1584                                                 break;
1585                                         }
1586                                         count++;
1587                                         bp++;
1588                                 }
1589                         }
1590                         nu= nu->next;
1591                 }
1592
1593         }
1594         else if(par->type==OB_LATTICE) {
1595                 Lattice *latt= par->data;
1596                 BPoint *bp;
1597                 DispList *dl = find_displist(&par->disp, DL_VERTS);
1598                 float *co = dl?dl->verts:NULL;
1599                 
1600                 if(par==G.obedit) latt= editLatt;
1601                 
1602                 a= latt->pntsu*latt->pntsv*latt->pntsw;
1603                 count= 0;
1604                 bp= latt->def;
1605                 while(a--) {
1606                         if(count==nr) {
1607                                 if(co)
1608                                         memcpy(vec, co, 3*sizeof(float));
1609                                 else
1610                                         memcpy(vec, bp->vec, 3*sizeof(float));
1611                                 break;
1612                         }
1613                         count++;
1614                         if(co) co+= 3;
1615                         else bp++;
1616                 }
1617         }
1618 }
1619
1620 static void ob_parvert3(Object *ob, Object *par, float mat[][4])
1621 {
1622         float cmat[3][3], v1[3], v2[3], v3[3], q[4];
1623
1624         /* in local ob space */
1625         Mat4One(mat);
1626         
1627         if ELEM4(par->type, OB_MESH, OB_SURF, OB_CURVE, OB_LATTICE) {
1628                 
1629                 give_parvert(par, ob->par1, v1);
1630                 give_parvert(par, ob->par2, v2);
1631                 give_parvert(par, ob->par3, v3);
1632                                 
1633                 triatoquat(v1, v2, v3, q);
1634                 QuatToMat3(q, cmat);
1635                 Mat4CpyMat3(mat, cmat);
1636                 
1637                 if(ob->type==OB_CURVE) {
1638                         VECCOPY(mat[3], v1);
1639                 }
1640                 else {
1641                         VecAddf(mat[3], v1, v2);
1642                         VecAddf(mat[3], mat[3], v3);
1643                         VecMulf(mat[3], 0.3333333f);
1644                 }
1645         }
1646 }
1647
1648 static int no_parent_ipo=0;
1649 void set_no_parent_ipo(int val)
1650 {
1651         no_parent_ipo= val;
1652 }
1653
1654 static int during_script_flag=0;
1655 void disable_where_script(short on)
1656 {
1657         during_script_flag= on;
1658 }
1659
1660 int during_script(void) {
1661         return during_script_flag;
1662 }
1663
1664 static int during_scriptlink_flag=0;
1665 void disable_where_scriptlink(short on)
1666 {
1667         during_scriptlink_flag= on;
1668 }
1669
1670 int during_scriptlink(void) {
1671         return during_scriptlink_flag;
1672 }
1673
1674 void where_is_object_time(Object *ob, float ctime)
1675 {
1676         float *fp1, *fp2, slowmat[4][4] = MAT4_UNITY;
1677         float stime, fac1, fac2, vec[3];
1678         int a;
1679         int pop; 
1680         
1681         /* new version: correct parent+vertexparent and track+parent */
1682         /* this one only calculates direct attached parent and track */
1683         /* is faster, but should keep track of timeoffs */
1684         
1685         if(ob==NULL) return;
1686         
1687         /* this is needed to be able to grab objects with ipos, otherwise it always freezes them */
1688         stime= bsystem_time(ob, ctime, 0.0);
1689         if(stime != ob->ctime) {
1690                 
1691                 ob->ctime= stime;
1692                 
1693                 if(ob->ipo) {
1694                         calc_ipo(ob->ipo, stime);
1695                         execute_ipo((ID *)ob, ob->ipo);
1696                 }
1697                 else 
1698                         do_all_object_actions(ob);
1699                 
1700                 /* do constraint ipos ..., note it needs stime (0 = all ipos) */
1701                 do_constraint_channels(&ob->constraints, &ob->constraintChannels, stime, 0);
1702         }
1703         else {
1704                 /* but, the drivers have to be done */
1705                 if(ob->ipo) do_ob_ipodrivers(ob, ob->ipo, stime);
1706                 /* do constraint ipos ..., note it needs stime (1 = only drivers ipos) */
1707                 do_constraint_channels(&ob->constraints, &ob->constraintChannels, stime, 1);
1708         }
1709         
1710         if(ob->parent) {
1711                 Object *par= ob->parent;
1712                 
1713                 if(ob->ipoflag & OB_OFFS_PARENT) ctime-= ob->sf;
1714                 
1715                 /* hurms, code below conflicts with depgraph... (ton) */
1716                 /* and even worse, it gives bad effects for NLA stride too (try ctime != par->ctime, with MBlur) */
1717                 pop= 0;
1718                 if(no_parent_ipo==0 && stime != par->ctime) {
1719                 
1720                         // only for ipo systems? 
1721                         pushdata(par, sizeof(Object));
1722                         pop= 1;
1723                         
1724                         if(par->proxy_from);    // was a copied matrix, no where_is! bad...
1725                         else where_is_object_time(par, ctime);
1726                 }
1727                 
1728                 solve_parenting(ob, par, ob->obmat, slowmat, 0);
1729
1730                 if(pop) {
1731                         poplast(par);
1732                 }
1733                 
1734                 if(ob->partype & PARSLOW) {
1735                         // include framerate
1736
1737                         fac1= (1.0f/(1.0f+ fabs(ob->sf)));
1738                         if(fac1>=1.0) return;
1739                         fac2= 1.0f-fac1;
1740                         
1741                         fp1= ob->obmat[0];
1742                         fp2= slowmat[0];
1743                         for(a=0; a<16; a++, fp1++, fp2++) {
1744                                 fp1[0]= fac1*fp1[0] + fac2*fp2[0];
1745                         }
1746                 }
1747         
1748         }
1749         else {
1750                 object_to_mat4(ob, ob->obmat);
1751         }
1752
1753         /* Handle tracking */
1754         if(ob->track) {
1755                 if( ctime != ob->track->ctime) where_is_object_time(ob->track, ctime);
1756                 solve_tracking (ob, ob->track->obmat);
1757                 
1758         }
1759
1760         /* solve constraints */
1761         if (ob->constraints.first) {
1762                 bConstraintOb *cob;
1763                 
1764                 cob= constraints_make_evalob(ob, NULL, CONSTRAINT_OBTYPE_OBJECT);
1765                 
1766                 /* constraints need ctime, not stime. Some call where_is_object_time and bsystem_time */
1767                 solve_constraints (&ob->constraints, cob, ctime);
1768                 
1769                 constraints_clear_evalob(cob);
1770         }
1771         
1772         if(ob->scriptlink.totscript && !during_script()) {
1773                 if (G.f & G_DOSCRIPTLINKS) BPY_do_pyscript((ID *)ob, SCRIPT_REDRAW);
1774         }
1775         
1776         /* set negative scale flag in object */
1777         Crossf(vec, ob->obmat[0], ob->obmat[1]);
1778         if( Inpf(vec, ob->obmat[2]) < 0.0 ) ob->transflag |= OB_NEG_SCALE;
1779         else ob->transflag &= ~OB_NEG_SCALE;
1780 }
1781
1782 static void solve_parenting (Object *ob, Object *par, float obmat[][4], float slowmat[][4], int simul)
1783 {
1784         float totmat[4][4];
1785         float tmat[4][4];
1786         float locmat[4][4];
1787         float vec[3];
1788         int ok;
1789
1790         object_to_mat4(ob, locmat);
1791         
1792         if(ob->partype & PARSLOW) Mat4CpyMat4(slowmat, obmat);
1793         
1794
1795         switch(ob->partype & PARTYPE) {
1796         case PAROBJECT:
1797                 ok= 0;
1798                 if(par->type==OB_CURVE) {
1799                         if( ((Curve *)par->data)->flag & CU_PATH ) {
1800                                 ob_parcurve(ob, par, tmat);
1801                                 ok= 1;
1802                         }
1803                 }
1804                 
1805                 if(ok) Mat4MulSerie(totmat, par->obmat, tmat, 
1806                         NULL, NULL, NULL, NULL, NULL, NULL);
1807                 else Mat4CpyMat4(totmat, par->obmat);
1808                 
1809                 break;
1810         case PARBONE:
1811                 ob_parbone(ob, par, tmat);
1812                 Mat4MulSerie(totmat, par->obmat, tmat,         
1813                         NULL, NULL, NULL, NULL, NULL, NULL);
1814                 break;
1815                 
1816         case PARVERT1:
1817                 Mat4One(totmat);
1818                 if (simul){
1819                         VECCOPY(totmat[3], par->obmat[3]);
1820                 }
1821                 else{
1822                         give_parvert(par, ob->par1, vec);
1823                         VecMat4MulVecfl(totmat[3], par->obmat, vec);
1824                 }
1825                 break;
1826         case PARVERT3:
1827                 ob_parvert3(ob, par, tmat);
1828                 
1829                 Mat4MulSerie(totmat, par->obmat, tmat,         
1830                         NULL, NULL, NULL, NULL, NULL, NULL);
1831                 break;
1832                 
1833         case PARSKEL:
1834                 Mat4CpyMat4(totmat, par->obmat);
1835                 break;
1836         }
1837         
1838         // total 
1839         Mat4MulSerie(tmat, totmat, ob->parentinv,         
1840                 NULL, NULL, NULL, NULL, NULL, NULL);
1841         Mat4MulSerie(obmat, tmat, locmat,         
1842                 NULL, NULL, NULL, NULL, NULL, NULL);
1843         
1844         if (simul) {
1845
1846         }
1847         else{
1848                 // external usable originmat 
1849                 Mat3CpyMat4(originmat, tmat);
1850                 
1851                 // origin, voor help line
1852                 if( (ob->partype & 15)==PARSKEL ) {
1853                         VECCOPY(ob->orig, par->obmat[3]);
1854                 }
1855                 else {
1856                         VECCOPY(ob->orig, totmat[3]);
1857                 }
1858         }
1859
1860 }
1861 void solve_tracking (Object *ob, float targetmat[][4])
1862 {
1863         float *quat;
1864         float vec[3];
1865         float totmat[3][3];
1866         float tmat[4][4];
1867         
1868         VecSubf(vec, ob->obmat[3], targetmat[3]);
1869         quat= vectoquat(vec, ob->trackflag, ob->upflag);
1870         QuatToMat3(quat, totmat);
1871         
1872         if(ob->parent && (ob->transflag & OB_POWERTRACK)) {
1873                 /* 'temporal' : clear parent info */
1874                 object_to_mat4(ob, tmat);
1875                 tmat[0][3]= ob->obmat[0][3];
1876                 tmat[1][3]= ob->obmat[1][3];
1877                 tmat[2][3]= ob->obmat[2][3];
1878                 tmat[3][0]= ob->obmat[3][0];
1879                 tmat[3][1]= ob->obmat[3][1];
1880                 tmat[3][2]= ob->obmat[3][2];
1881                 tmat[3][3]= ob->obmat[3][3];
1882         }
1883         else Mat4CpyMat4(tmat, ob->obmat);
1884         
1885         Mat4MulMat34(ob->obmat, totmat, tmat);
1886
1887 }
1888
1889 void where_is_object(Object *ob)
1890 {
1891         where_is_object_time(ob, (float)G.scene->r.cfra);
1892 }
1893
1894
1895 void where_is_object_simul(Object *ob)
1896 /* was written for the old game engine (until 2.04) */
1897 /* It seems that this function is only called
1898 for a lamp that is the child of another object */
1899 {
1900         Object *par;
1901         Ipo *ipo;
1902         float *fp1, *fp2;
1903         float slowmat[4][4];
1904         float fac1, fac2;
1905         int a;
1906         
1907         /* NO TIMEOFFS */
1908         
1909         /* no ipo! (because of dloc and realtime-ipos) */
1910         ipo= ob->ipo;
1911         ob->ipo= NULL;
1912
1913         if(ob->parent) {
1914                 par= ob->parent;
1915                 
1916                 solve_parenting(ob, par, ob->obmat, slowmat, 1);
1917
1918                 if(ob->partype & PARSLOW) {
1919
1920                         fac1= (float)(1.0/(1.0+ fabs(ob->sf)));
1921                         fac2= 1.0f-fac1;
1922                         fp1= ob->obmat[0];
1923                         fp2= slowmat[0];
1924                         for(a=0; a<16; a++, fp1++, fp2++) {
1925                                 fp1[0]= fac1*fp1[0] + fac2*fp2[0];
1926                         }
1927                 }
1928                 
1929         }
1930         else {
1931                 object_to_mat4(ob, ob->obmat);
1932         }
1933         
1934         if(ob->track) 
1935                 solve_tracking(ob, ob->track->obmat);
1936
1937         /* solve constraints */
1938         if (ob->constraints.first) {
1939                 bConstraintOb *cob;
1940                 
1941                 cob= constraints_make_evalob(ob, NULL, CONSTRAINT_OBTYPE_OBJECT);
1942                 solve_constraints (&ob->constraints, cob, G.scene->r.cfra);
1943                 constraints_clear_evalob(cob);
1944         }
1945         
1946         /*  WATCH IT!!! */
1947         ob->ipo= ipo;
1948 }
1949
1950 /* for calculation of the inverse parent transform, only used for editor */
1951 void what_does_parent(Object *ob)
1952 {
1953         clear_workob();
1954         Mat4One(workob.obmat);
1955         Mat4One(workob.parentinv);
1956         Mat4One(workob.constinv);
1957         workob.parent= ob->parent;
1958         workob.track= ob->track;
1959
1960         workob.trackflag= ob->trackflag;
1961         workob.upflag= ob->upflag;
1962         
1963         workob.partype= ob->partype;
1964         workob.par1= ob->par1;
1965         workob.par2= ob->par2;
1966         workob.par3= ob->par3;
1967
1968         workob.constraints.first = ob->constraints.first;
1969         workob.constraints.last = ob->constraints.last;
1970
1971         strcpy(workob.parsubstr, ob->parsubstr); 
1972
1973         where_is_object(&workob);
1974 }
1975
1976 BoundBox *unit_boundbox()
1977 {
1978         BoundBox *bb;
1979         float min[3] = {-1,-1,-1}, max[3] = {-1,-1,-1};
1980
1981         bb= MEM_mallocN(sizeof(BoundBox), "bb");
1982         boundbox_set_from_min_max(bb, min, max);
1983         
1984         return bb;
1985 }
1986
1987 void boundbox_set_from_min_max(BoundBox *bb, float min[3], float max[3])
1988 {
1989         bb->vec[0][0]=bb->vec[1][0]=bb->vec[2][0]=bb->vec[3][0]= min[0];
1990         bb->vec[4][0]=bb->vec[5][0]=bb->vec[6][0]=bb->vec[7][0]= max[0];
1991         
1992         bb->vec[0][1]=bb->vec[1][1]=bb->vec[4][1]=bb->vec[5][1]= min[1];
1993         bb->vec[2][1]=bb->vec[3][1]=bb->vec[6][1]=bb->vec[7][1]= max[1];
1994
1995         bb->vec[0][2]=bb->vec[3][2]=bb->vec[4][2]=bb->vec[7][2]= min[2];
1996         bb->vec[1][2]=bb->vec[2][2]=bb->vec[5][2]=bb->vec[6][2]= max[2];
1997 }
1998
1999 BoundBox *object_get_boundbox(Object *ob)
2000 {
2001         BoundBox *bb= NULL;
2002         
2003         if(ob->type==OB_MESH) {
2004                 bb = mesh_get_bb(ob->data);
2005         }
2006         else if ELEM3(ob->type, OB_CURVE, OB_SURF, OB_FONT) {
2007                 bb= ( (Curve *)ob->data )->bb;
2008         }
2009         else if(ob->type==OB_MBALL) {
2010                 bb= ob->bb;
2011         }
2012         return bb;
2013 }
2014
2015 /* used to temporally disable/enable boundbox */
2016 void object_boundbox_flag(Object *ob, int flag, int set)
2017 {
2018         BoundBox *bb= object_get_boundbox(ob);
2019         if(bb) {
2020                 if(set) bb->flag |= flag;
2021                 else bb->flag &= ~flag;
2022         }
2023 }
2024
2025 void minmax_object(Object *ob, float *min, float *max)
2026 {
2027         BoundBox bb;
2028         Mesh *me;
2029         Curve *cu;
2030         float vec[3];
2031         int a;
2032         
2033         switch(ob->type) {
2034                 
2035         case OB_CURVE:
2036         case OB_FONT:
2037         case OB_SURF:
2038                 cu= ob->data;
2039                 
2040                 if(cu->bb==NULL) tex_space_curve(cu);
2041                 bb= *(cu->bb);
2042                 
2043                 for(a=0; a<8; a++) {
2044                         Mat4MulVecfl(ob->obmat, bb.vec[a]);
2045                         DO_MINMAX(bb.vec[a], min, max);
2046                 }
2047                 break;
2048         case OB_ARMATURE:
2049                 if(ob->pose) {
2050                         bPoseChannel *pchan;
2051                         for(pchan= ob->pose->chanbase.first; pchan; pchan= pchan->next) {
2052                                 VECCOPY(vec, pchan->pose_head);
2053                                 Mat4MulVecfl(ob->obmat, vec);
2054                                 DO_MINMAX(vec, min, max);
2055                                 VECCOPY(vec, pchan->pose_tail);
2056                                 Mat4MulVecfl(ob->obmat, vec);
2057                                 DO_MINMAX(vec, min, max);
2058                         }
2059                         break;
2060                 }
2061                 /* no break, get_mesh will give NULL and it passes on to default */
2062         case OB_MESH:
2063                 me= get_mesh(ob);
2064                 
2065                 if(me) {
2066                         bb = *mesh_get_bb(me);
2067                         
2068                         for(a=0; a<8; a++) {
2069                                 Mat4MulVecfl(ob->obmat, bb.vec[a]);
2070                                 DO_MINMAX(bb.vec[a], min, max);
2071                         }
2072                 }
2073                 if(min[0] < max[0] ) break;
2074                 
2075                 /* else here no break!!!, mesh can be zero sized */
2076                 
2077         default:
2078                 DO_MINMAX(ob->obmat[3], min, max);
2079
2080                 VECCOPY(vec, ob->obmat[3]);
2081                 VecAddf(vec, vec, ob->size);
2082                 DO_MINMAX(vec, min, max);
2083
2084                 VECCOPY(vec, ob->obmat[3]);
2085                 VecSubf(vec, vec, ob->size);
2086                 DO_MINMAX(vec, min, max);
2087                 break;
2088         }
2089 }
2090
2091 /* TODO - use dupli objects bounding boxes */
2092 void minmax_object_duplis(Object *ob, float *min, float *max)
2093 {
2094         if ((ob->transflag & OB_DUPLI)==0) {
2095                 return;
2096         } else {
2097                 ListBase *lb;
2098                 DupliObject *dob;
2099                 
2100                 lb= object_duplilist(G.scene, ob);
2101                 for(dob= lb->first; dob; dob= dob->next) {
2102                         if(dob->no_draw);
2103                         else {
2104                                 /* should really use bound box of dup object */
2105                                 DO_MINMAX(dob->mat[3], min, max);
2106                         }
2107                 }
2108                 free_object_duplilist(lb);      /* does restore */
2109         }
2110 }
2111
2112
2113 /* proxy rule: lib_object->proxy_from == the one we borrow from, only set temporal and cleared here */
2114 /*           local_object->proxy      == pointer to library object, saved in files and read */
2115
2116 /* function below is polluted with proxy exceptions, cleanup will follow! */
2117
2118 /* the main object update call, for object matrix, constraints, keys and displist (modifiers) */
2119 /* requires flags to be set! */
2120 void object_handle_update(Object *ob)
2121 {
2122         if(ob->recalc & OB_RECALC) {
2123                 
2124                 if(ob->recalc & OB_RECALC_OB) {
2125                         
2126                         // printf("recalcob %s\n", ob->id.name+2);
2127                         
2128                         /* handle proxy copy for target */
2129                         if(ob->id.lib && ob->proxy_from) {
2130                                 // printf("ob proxy copy, lib ob %s proxy %s\n", ob->id.name, ob->proxy_from->id.name);
2131                                 if(ob->proxy_from->proxy_group) {/* transform proxy into group space */
2132                                         Object *obg= ob->proxy_from->proxy_group;
2133                                         Mat4Invert(obg->imat, obg->obmat);
2134                                         Mat4MulMat4(ob->obmat, ob->proxy_from->obmat, obg->imat);
2135                                 }
2136                                 else
2137                                         Mat4CpyMat4(ob->obmat, ob->proxy_from->obmat);
2138                         }
2139                         else
2140                                 where_is_object(ob);
2141                 }
2142                 
2143                 if(ob->recalc & OB_RECALC_DATA) {
2144                         
2145                         // printf("recalcdata %s\n", ob->id.name+2);
2146                         
2147                         /* includes all keys and modifiers */
2148                         if(ob->type==OB_MESH) {
2149                                 makeDerivedMesh(ob, get_viewedit_datamask());
2150                         }
2151                         else if(ob->type==OB_MBALL) {
2152                                 makeDispListMBall(ob);
2153                         } 
2154                         else if(ELEM3(ob->type, OB_CURVE, OB_SURF, OB_FONT)) {
2155                                 makeDispListCurveTypes(ob, 0);
2156                         }
2157                         else if(ob->type==OB_LATTICE) {
2158                                 lattice_calc_modifiers(ob);
2159                         }
2160                         else if(ob->type==OB_ARMATURE) {
2161                                 /* this happens for reading old files and to match library armatures with poses */
2162                                 if(ob->pose==NULL || (ob->pose->flag & POSE_RECALC))
2163                                         armature_rebuild_pose(ob, ob->data);
2164                                 
2165                                 if(ob->id.lib && ob->proxy_from) {
2166                                         copy_pose_result(ob->pose, ob->proxy_from->pose);
2167                                         // printf("pose proxy copy, lib ob %s proxy %s\n", ob->id.name, ob->proxy_from->id.name);
2168                                 }
2169                                 else {
2170                                         do_all_pose_actions(ob);
2171                                         where_is_pose(ob);
2172                                 }
2173                         }
2174
2175                         if(ob->particlesystem.first) {
2176                                 ParticleSystem *tpsys, *psys;
2177                                 
2178                                 psys= ob->particlesystem.first;
2179                                 while(psys) {
2180                                         if(psys->flag & PSYS_ENABLED) {
2181                                                 particle_system_update(ob, psys);
2182                                                 psys= psys->next;
2183                                         }
2184                                         else if(psys->flag & PSYS_DELETE) {
2185                                                 tpsys=psys->next;
2186                                                 BLI_remlink(&ob->particlesystem, psys);
2187                                                 psys_free(ob,psys);
2188                                                 psys= tpsys;
2189                                         }
2190                                         else
2191                                                 psys= psys->next;
2192                                 }
2193                         }
2194                 }
2195
2196                 /* the no-group proxy case, we call update */
2197                 if(ob->proxy && ob->proxy_group==NULL) {
2198                         /* set pointer in library proxy target, for copying, but restore it */
2199                         ob->proxy->proxy_from= ob;
2200                         // printf("call update, lib ob %s proxy %s\n", ob->proxy->id.name, ob->id.name);
2201                         object_handle_update(ob->proxy);
2202                 }
2203         
2204                 ob->recalc &= ~OB_RECALC;
2205         }
2206
2207         /* the case when this is a group proxy, object_update is called in group.c */
2208         if(ob->proxy) {
2209                 ob->proxy->proxy_from= ob;
2210                 // printf("set proxy pointer for later group stuff %s\n", ob->id.name);
2211         }
2212 }