added scons option BF_WITH_PYTHON (defined as DISABLE_PYTHON)
[blender-staging.git] / source / blender / blenkernel / intern / scene.c
1 /*  scene.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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, 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 #include <stdio.h>
33 #include <string.h>
34
35 #ifdef HAVE_CONFIG_H
36 #include <config.h>
37 #endif
38
39 #ifndef WIN32 
40 #include <unistd.h>
41 #else
42 #include <io.h>
43 #endif
44 #include "MEM_guardedalloc.h"
45
46 #include "DNA_armature_types.h" 
47 #include "DNA_color_types.h"
48 #include "DNA_constraint_types.h"
49 #include "DNA_curve_types.h"
50 #include "DNA_group_types.h"
51 #include "DNA_lamp_types.h"
52 #include "DNA_material_types.h"
53 #include "DNA_meta_types.h"
54 #include "DNA_object_types.h"
55 #include "DNA_scene_types.h"
56 #include "DNA_scriptlink_types.h"
57 #include "DNA_texture_types.h"
58 #include "DNA_userdef_types.h"
59
60 #include "BKE_action.h"                 
61 #include "BKE_anim.h"
62 #include "BKE_armature.h"               
63 #include "BKE_bad_level_calls.h"
64 #include "BKE_colortools.h"
65 #include "BKE_constraint.h"
66 #include "BKE_depsgraph.h"
67 #include "BKE_global.h"
68 #include "BKE_group.h"
69 #include "BKE_ipo.h"
70 #include "BKE_idprop.h"
71 #include "BKE_image.h"
72 #include "BKE_key.h"
73 #include "BKE_library.h"
74 #include "BKE_main.h"
75 #include "BKE_node.h"
76 #include "BKE_object.h"
77 #include "BKE_scene.h"
78 #include "BKE_sculpt.h"
79 #include "BKE_world.h"
80 #include "BKE_utildefines.h"
81
82 #include "BIF_previewrender.h"
83 #include "BIF_editseq.h"
84
85 #ifndef DISABLE_PYTHON
86 #include "BPY_extern.h"
87 #endif
88
89 #include "BLI_arithb.h"
90 #include "BLI_blenlib.h"
91
92 #include "nla.h"
93
94 #ifdef WIN32
95 #else
96 #include <sys/time.h>
97 #endif
98
99 void free_avicodecdata(AviCodecData *acd)
100 {
101         if (acd) {
102                 if (acd->lpFormat){
103                         MEM_freeN(acd->lpFormat);
104                         acd->lpFormat = NULL;
105                         acd->cbFormat = 0;
106                 }
107                 if (acd->lpParms){
108                         MEM_freeN(acd->lpParms);
109                         acd->lpParms = NULL;
110                         acd->cbParms = 0;
111                 }
112         }
113 }
114
115 void free_qtcodecdata(QuicktimeCodecData *qcd)
116 {
117         if (qcd) {
118                 if (qcd->cdParms){
119                         MEM_freeN(qcd->cdParms);
120                         qcd->cdParms = NULL;
121                         qcd->cdSize = 0;
122                 }
123         }
124 }
125
126 /* copy_scene moved to src/header_info.c... should be back */
127
128 /* do not free scene itself */
129 void free_scene(Scene *sce)
130 {
131         Base *base;
132
133         base= sce->base.first;
134         while(base) {
135                 base->object->id.us--;
136                 base= base->next;
137         }
138         /* do not free objects! */
139
140         BLI_freelistN(&sce->base);
141         free_editing(sce->ed);
142         if(sce->radio) MEM_freeN(sce->radio);
143         sce->radio= 0;
144         
145 #ifndef DISABLE_PYTHON
146         BPY_free_scriptlink(&sce->scriptlink);
147 #endif
148         
149         if (sce->r.avicodecdata) {
150                 free_avicodecdata(sce->r.avicodecdata);
151                 MEM_freeN(sce->r.avicodecdata);
152                 sce->r.avicodecdata = NULL;
153         }
154         if (sce->r.qtcodecdata) {
155                 free_qtcodecdata(sce->r.qtcodecdata);
156                 MEM_freeN(sce->r.qtcodecdata);
157                 sce->r.qtcodecdata = NULL;
158         }
159         if (sce->r.ffcodecdata.properties) {
160                 IDP_FreeProperty(sce->r.ffcodecdata.properties);
161                 MEM_freeN(sce->r.ffcodecdata.properties);
162                 sce->r.ffcodecdata.properties = NULL;
163         }
164         
165         BLI_freelistN(&sce->markers);
166         BLI_freelistN(&sce->transform_spaces);
167         BLI_freelistN(&sce->r.layers);
168         
169         if(sce->toolsettings){
170                 MEM_freeN(sce->toolsettings);
171                 sce->toolsettings = NULL;       
172         }
173         
174         if (sce->theDag) {
175                 free_forest(sce->theDag);
176                 MEM_freeN(sce->theDag);
177         }
178         
179         if(sce->nodetree) {
180                 ntreeFreeTree(sce->nodetree);
181                 MEM_freeN(sce->nodetree);
182         }
183
184         sculptdata_free(sce);
185 }
186
187 Scene *add_scene(char *name)
188 {
189         Scene *sce;
190         ParticleEditSettings *pset;
191         int a;
192
193         sce= alloc_libblock(&G.main->scene, ID_SCE, name);
194         sce->lay= 1;
195         sce->selectmode= SCE_SELECT_VERTEX;
196         sce->editbutsize= 0.1;
197         sce->autokey_mode= U.autokey_mode;
198         
199         sce->r.mode= R_GAMMA;
200         sce->r.cfra= 1;
201         sce->r.sfra= 1;
202         sce->r.efra= 250;
203         sce->r.xsch= 320;
204         sce->r.ysch= 256;
205         sce->r.xasp= 1;
206         sce->r.yasp= 1;
207         sce->r.xparts= 4;
208         sce->r.yparts= 4;
209         sce->r.size= 100;
210         sce->r.planes= 24;
211         sce->r.quality= 90;
212         sce->r.framapto= 100;
213         sce->r.images= 100;
214         sce->r.framelen= 1.0;
215         sce->r.frs_sec= 25;
216         sce->r.frs_sec_base= 1;
217         sce->r.ocres = 128;
218         
219         sce->r.bake_mode= 1;    /* prevent to include render stuff here */
220         sce->r.bake_filter= 2;
221         sce->r.bake_osa= 5;
222         sce->r.bake_flag= R_BAKE_CLEAR;
223         sce->r.bake_normal_space= R_BAKE_SPACE_TANGENT;
224         
225         sce->r.xplay= 640;
226         sce->r.yplay= 480;
227         sce->r.freqplay= 60;
228         sce->r.depth= 32;
229         
230         sce->r.threads= 1;
231         
232         sce->r.stereomode = 1;  // no stereo
233
234         sce->r.simplify_subsurf= 6;
235         sce->r.simplify_particles= 1.0f;
236         sce->r.simplify_shadowsamples= 16;
237         sce->r.simplify_aosss= 1.0f;
238
239         sce->r.cineonblack= 95;
240         sce->r.cineonwhite= 685;
241         sce->r.cineongamma= 1.7f;
242         
243         sce->toolsettings = MEM_callocN(sizeof(struct ToolSettings),"Tool Settings Struct");
244         sce->toolsettings->cornertype=1;
245         sce->toolsettings->degr = 90; 
246         sce->toolsettings->step = 9;
247         sce->toolsettings->turn = 1;                            
248         sce->toolsettings->extr_offs = 1; 
249         sce->toolsettings->doublimit = 0.001;
250         sce->toolsettings->segments = 32;
251         sce->toolsettings->rings = 32;
252         sce->toolsettings->vertices = 32;
253         sce->toolsettings->editbutflag = 1;
254         sce->toolsettings->uvcalc_radius = 1.0f;
255         sce->toolsettings->uvcalc_cubesize = 1.0f;
256         sce->toolsettings->uvcalc_mapdir = 1;
257         sce->toolsettings->uvcalc_mapalign = 1;
258         sce->toolsettings->unwrapper = 1;
259         sce->toolsettings->select_thresh= 0.01f;
260         sce->toolsettings->jointrilimit = 0.8f;
261
262         pset= &sce->toolsettings->particle;
263         pset->flag= PE_KEEP_LENGTHS|PE_LOCK_FIRST|PE_DEFLECT_EMITTER;
264         pset->emitterdist= 0.25f;
265         pset->totrekey= 5;
266         pset->totaddkey= 5;
267         pset->brushtype= PE_BRUSH_NONE;
268         for(a=0; a<PE_TOT_BRUSH; a++) {
269                 pset->brush[a].strength= 50;
270                 pset->brush[a].size= 50;
271                 pset->brush[a].step= 10;
272         }
273         pset->brush[PE_BRUSH_CUT].strength= 100;
274         
275         sce->jumpframe = 10;
276         sce->audio.mixrate = 44100;
277
278         strcpy(sce->r.backbuf, "//backbuf");
279         strcpy(sce->r.pic, U.renderdir);
280
281         BLI_init_rctf(&sce->r.safety, 0.1f, 0.9f, 0.1f, 0.9f);
282         sce->r.osa= 8;
283
284         sculptdata_init(sce);
285
286         /* note; in header_info.c the scene copy happens..., if you add more to renderdata it has to be checked there */
287         scene_add_render_layer(sce);
288         
289         return sce;
290 }
291
292 Base *object_in_scene(Object *ob, Scene *sce)
293 {
294         Base *base;
295         
296         base= sce->base.first;
297         while(base) {
298                 if(base->object == ob) return base;
299                 base= base->next;
300         }
301         return NULL;
302 }
303
304 void set_scene_bg(Scene *sce)
305 {
306         Base *base;
307         Object *ob;
308         Group *group;
309         GroupObject *go;
310         int flag;
311         
312         // Note: this here is defined in editseq.c (BIF_editseq.h), NOT in blenkernel! 
313         clear_last_seq();
314         
315         G.scene= sce;
316         
317         /* check for cyclic sets, for reading old files but also for definite security (py?) */
318         scene_check_setscene(G.scene);
319         
320         /* deselect objects (for dataselect) */
321         for(ob= G.main->object.first; ob; ob= ob->id.next)
322                 ob->flag &= ~(SELECT|OB_FROMGROUP);
323
324         /* group flags again */
325         for(group= G.main->group.first; group; group= group->id.next) {
326                 go= group->gobject.first;
327                 while(go) {
328                         if(go->ob) go->ob->flag |= OB_FROMGROUP;
329                         go= go->next;
330                 }
331         }
332
333         /* sort baselist */
334         DAG_scene_sort(sce);
335         
336         /* ensure dags are built for sets */
337         for(sce= sce->set; sce; sce= sce->set)
338                 if(sce->theDag==NULL)
339                         DAG_scene_sort(sce);
340
341         /* copy layers and flags from bases to objects */
342         for(base= G.scene->base.first; base; base= base->next) {
343                 ob= base->object;
344                 ob->lay= base->lay;
345                 
346                 /* group patch... */
347                 base->flag &= ~(OB_FROMGROUP);
348                 flag= ob->flag & (OB_FROMGROUP);
349                 base->flag |= flag;
350                 
351                 /* not too nice... for recovering objects with lost data */
352                 if(ob->pose==NULL) base->flag &= ~OB_POSEMODE;
353                 ob->flag= base->flag;
354                 
355                 ob->ctime= -1234567.0;  /* force ipo to be calculated later */
356         }
357         /* no full animation update, this to enable render code to work (render code calls own animation updates) */
358         
359         /* do we need FRAMECHANGED in set_scene? */
360 //      if (G.f & G_DOSCRIPTLINKS) BPY_do_all_scripts(SCRIPT_FRAMECHANGED, 0);
361 }
362
363 /* called from creator.c */
364 void set_scene_name(char *name)
365 {
366         Scene *sce;
367
368         for (sce= G.main->scene.first; sce; sce= sce->id.next) {
369                 if (BLI_streq(name, sce->id.name+2)) {
370                         set_scene_bg(sce);
371                         return;
372                 }
373         }
374         
375         error("Can't find scene: %s", name);
376 }
377
378 /* used by metaballs
379  * doesnt return the original duplicated object, only dupli's
380  */
381 int next_object(int val, Base **base, Object **ob)
382 {
383         static ListBase *duplilist= NULL;
384         static DupliObject *dupob;
385         static int fase;
386         int run_again=1;
387         
388         /* init */
389         if(val==0) {
390                 fase= F_START;
391                 dupob= NULL;
392         }
393         else {
394
395                 /* run_again is set when a duplilist has been ended */
396                 while(run_again) {
397                         run_again= 0;
398
399                         /* the first base */
400                         if(fase==F_START) {
401                                 *base= G.scene->base.first;
402                                 if(*base) {
403                                         *ob= (*base)->object;
404                                         fase= F_SCENE;
405                                 }
406                                 else {
407                                     /* exception: empty scene */
408                                         if(G.scene->set && G.scene->set->base.first) {
409                                                 *base= G.scene->set->base.first;
410                                                 *ob= (*base)->object;
411                                                 fase= F_SET;
412                                         }
413                                 }
414                         }
415                         else {
416                                 if(*base && fase!=F_DUPLI) {
417                                         *base= (*base)->next;
418                                         if(*base) *ob= (*base)->object;
419                                         else {
420                                                 if(fase==F_SCENE) {
421                                                         /* scene is finished, now do the set */
422                                                         if(G.scene->set && G.scene->set->base.first) {
423                                                                 *base= G.scene->set->base.first;
424                                                                 *ob= (*base)->object;
425                                                                 fase= F_SET;
426                                                         }
427                                                 }
428                                         }
429                                 }
430                         }
431                         
432                         if(*base == NULL) fase= F_START;
433                         else {
434                                 if(fase!=F_DUPLI) {
435                                         if( (*base)->object->transflag & OB_DUPLI) {
436                                                 /* groups cannot be duplicated for mballs yet, 
437                                                 this enters eternal loop because of 
438                                                 makeDispListMBall getting called inside of group_duplilist */
439                                                 if((*base)->object->dup_group == NULL) {
440                                                         duplilist= object_duplilist(G.scene, (*base)->object);
441                                                         
442                                                         dupob= duplilist->first;
443
444                                                         if(!dupob)
445                                                                 free_object_duplilist(duplilist);
446                                                 }
447                                         }
448                                 }
449                                 /* handle dupli's */
450                                 if(dupob) {
451                                         
452                                         Mat4CpyMat4(dupob->ob->obmat, dupob->mat);
453                                         
454                                         (*base)->flag |= OB_FROMDUPLI;
455                                         *ob= dupob->ob;
456                                         fase= F_DUPLI;
457                                         
458                                         dupob= dupob->next;
459                                 }
460                                 else if(fase==F_DUPLI) {
461                                         fase= F_SCENE;
462                                         (*base)->flag &= ~OB_FROMDUPLI;
463                                         
464                                         for(dupob= duplilist->first; dupob; dupob= dupob->next) {
465                                                 Mat4CpyMat4(dupob->ob->obmat, dupob->omat);
466                                         }
467                                         
468                                         free_object_duplilist(duplilist);
469                                         duplilist= NULL;
470                                         run_again= 1;
471                                 }
472                         }
473                 }
474         }
475         
476         return fase;
477 }
478
479 Object *scene_find_camera(Scene *sc)
480 {
481         Base *base;
482         
483         for (base= sc->base.first; base; base= base->next)
484                 if (base->object->type==OB_CAMERA)
485                         return base->object;
486
487         return NULL;
488 }
489
490
491 Base *scene_add_base(Scene *sce, Object *ob)
492 {
493         Base *b= MEM_callocN(sizeof(*b), "scene_add_base");
494         BLI_addhead(&sce->base, b);
495
496         b->object= ob;
497         b->flag= ob->flag;
498         b->lay= ob->lay;
499
500         return b;
501 }
502
503 void scene_deselect_all(Scene *sce)
504 {
505         Base *b;
506
507         for (b= sce->base.first; b; b= b->next) {
508                 b->flag&= ~SELECT;
509                 b->object->flag= b->flag;
510         }
511 }
512
513 void scene_select_base(Scene *sce, Base *selbase)
514 {
515         scene_deselect_all(sce);
516
517         selbase->flag |= SELECT;
518         selbase->object->flag= selbase->flag;
519
520         sce->basact= selbase;
521 }
522
523 /* checks for cycle, returns 1 if it's all OK */
524 int scene_check_setscene(Scene *sce)
525 {
526         Scene *scene;
527         int a, totscene;
528         
529         if(sce->set==NULL) return 1;
530         
531         totscene= 0;
532         for(scene= G.main->scene.first; scene; scene= scene->id.next)
533                 totscene++;
534         
535         for(a=0, scene=sce; scene->set; scene=scene->set, a++) {
536                 /* more iterations than scenes means we have a cycle */
537                 if(a > totscene) {
538                         /* the tested scene gets zero'ed, that's typically current scene */
539                         sce->set= NULL;
540                         return 0;
541                 }
542         }
543
544         return 1;
545 }
546
547 static void scene_update(Scene *sce, unsigned int lay)
548 {
549         Base *base;
550         Object *ob;
551         
552         if(sce->theDag==NULL)
553                 DAG_scene_sort(sce);
554         
555         DAG_scene_update_flags(sce, lay);   // only stuff that moves or needs display still
556         
557         for(base= sce->base.first; base; base= base->next) {
558                 ob= base->object;
559                 
560                 object_handle_update(ob);   // bke_object.h
561                 
562                 /* only update layer when an ipo */
563                 if(ob->ipo && has_ipo_code(ob->ipo, OB_LAY) ) {
564                         base->lay= ob->lay;
565                 }
566         }
567 }
568
569 /* applies changes right away, does all sets too */
570 void scene_update_for_newframe(Scene *sce, unsigned int lay)
571 {
572         Scene *scene= sce;
573         
574         /* clears all BONE_UNKEYED flags for every pose's pchans */
575         framechange_poses_clear_unkeyed();
576         
577         /* object ipos are calculated in where_is_object */
578         do_all_data_ipos();
579 #ifndef DISABLE_PYTHON
580         if (G.f & G_DOSCRIPTLINKS) BPY_do_all_scripts(SCRIPT_FRAMECHANGED, 0);
581 #endif
582         /* sets first, we allow per definition current scene to have dependencies on sets */
583         for(sce= sce->set; sce; sce= sce->set)
584                 scene_update(sce, lay);
585
586         scene_update(scene, lay);
587 }
588
589 /* return default layer, also used to patch old files */
590 void scene_add_render_layer(Scene *sce)
591 {
592         SceneRenderLayer *srl;
593         int tot= 1 + BLI_countlist(&sce->r.layers);
594         
595         srl= MEM_callocN(sizeof(SceneRenderLayer), "new render layer");
596         sprintf(srl->name, "%d RenderLayer", tot);
597         BLI_addtail(&sce->r.layers, srl);
598
599         /* note, this is also in render, pipeline.c, to make layer when scenedata doesnt have it */
600         srl->lay= (1<<20) -1;
601         srl->layflag= 0x7FFF;   /* solid ztra halo edge strand */
602         srl->passflag= SCE_PASS_COMBINED|SCE_PASS_Z;
603 }
604
605 /* Initialize 'permanent' sculpt data that is saved with file kept after
606    switching out of sculptmode. */
607 void sculptdata_init(Scene *sce)
608 {
609         SculptData *sd;
610
611         if(!sce)
612                 return;
613
614         sd= &sce->sculptdata;
615
616         if(sd->cumap) {
617                 curvemapping_free(sd->cumap);
618                 sd->cumap = NULL;
619         }
620
621         memset(sd, 0, sizeof(SculptData));
622
623         sd->drawbrush.size = sd->smoothbrush.size = sd->pinchbrush.size =
624                 sd->inflatebrush.size = sd->grabbrush.size =
625                 sd->layerbrush.size = sd->flattenbrush.size = 50;
626         sd->drawbrush.strength = sd->smoothbrush.strength =
627                 sd->pinchbrush.strength = sd->inflatebrush.strength =
628                 sd->grabbrush.strength = sd->layerbrush.strength =
629                 sd->flattenbrush.strength = 25;
630         sd->drawbrush.dir = sd->pinchbrush.dir = sd->inflatebrush.dir = sd->layerbrush.dir= 1;
631         sd->drawbrush.flag = sd->smoothbrush.flag =
632                 sd->pinchbrush.flag = sd->inflatebrush.flag =
633                 sd->layerbrush.flag = sd->flattenbrush.flag = 0;
634         sd->drawbrush.view= 0;
635         sd->brush_type= DRAW_BRUSH;
636         sd->texact= -1;
637         sd->texfade= 1;
638         sd->averaging= 1;
639         sd->texsep= 0;
640         sd->texrept= SCULPTREPT_DRAG;
641         sd->flags= SCULPT_DRAW_BRUSH;
642         sd->tablet_size=3;
643         sd->tablet_strength=10;
644         sd->rake=0;
645         sculpt_reset_curve(sd);
646 }
647
648 void sculptdata_free(Scene *sce)
649 {
650         SculptData *sd= &sce->sculptdata;
651         int a;
652
653         sculptsession_free(sce);
654
655         for(a=0; a<MAX_MTEX; a++) {
656                 MTex *mtex= sd->mtex[a];
657                 if(mtex) {
658                         if(mtex->tex) mtex->tex->id.us--;
659                         MEM_freeN(mtex);
660                 }
661         }
662
663         curvemapping_free(sd->cumap);
664         sd->cumap = NULL;
665 }
666
667 void sculpt_vertexusers_free(SculptSession *ss)
668 {
669         if(ss && ss->vertex_users){
670                 MEM_freeN(ss->vertex_users);
671                 MEM_freeN(ss->vertex_users_mem);
672                 ss->vertex_users= NULL;
673                 ss->vertex_users_mem= NULL;
674                 ss->vertex_users_size= 0;
675         }
676 }
677
678 void sculptsession_free(Scene *sce)
679 {
680         SculptSession *ss= sce->sculptdata.session;
681         if(ss) {
682                 if(ss->projverts)
683                         MEM_freeN(ss->projverts);
684                 if(ss->mats)
685                         MEM_freeN(ss->mats);
686
687                 if(ss->radialcontrol)
688                         MEM_freeN(ss->radialcontrol);
689
690                 sculpt_vertexusers_free(ss);
691                 if(ss->texcache)
692                         MEM_freeN(ss->texcache);
693                 MEM_freeN(ss);
694                 sce->sculptdata.session= NULL;
695         }
696 }
697
698 /*  Default curve approximates 0.5 * (cos(pi * x) + 1), with 0 <= x <= 1 */
699 void sculpt_reset_curve(SculptData *sd)
700 {
701         CurveMap *cm = NULL;
702
703         if(!sd->cumap)
704                 sd->cumap = curvemapping_add(1, 0, 0, 1, 1);
705
706         cm = sd->cumap->cm;
707
708         if(cm->curve)
709                 MEM_freeN(cm->curve);
710         cm->curve= MEM_callocN(6*sizeof(CurveMapPoint), "curve points");
711         cm->flag &= ~CUMA_EXTEND_EXTRAPOLATE;
712         cm->totpoint= 6;
713         cm->curve[0].x= 0;
714         cm->curve[0].y= 1;
715         cm->curve[1].x= 0.1;
716         cm->curve[1].y= 0.97553;
717         cm->curve[2].x= 0.3;
718         cm->curve[2].y= 0.79389;
719         cm->curve[3].x= 0.9;
720         cm->curve[3].y= 0.02447;
721         cm->curve[4].x= 0.7;
722         cm->curve[4].y= 0.20611;
723         cm->curve[5].x= 1;
724         cm->curve[5].y= 0;
725
726         curvemapping_changed(sd->cumap, 0);
727 }
728
729 /* render simplification */
730
731 int get_render_subsurf_level(RenderData *r, int lvl)
732 {
733         if(G.rt == 1 && (r->mode & R_SIMPLIFY))
734                 return MIN2(r->simplify_subsurf, lvl);
735         else
736                 return lvl;
737 }
738
739 int get_render_child_particle_number(RenderData *r, int num)
740 {
741         if(G.rt == 1 && (r->mode & R_SIMPLIFY))
742                 return (int)(r->simplify_particles*num);
743         else
744                 return num;
745 }
746
747 int get_render_shadow_samples(RenderData *r, int samples)
748 {
749         if(G.rt == 1 && (r->mode & R_SIMPLIFY) && samples > 0)
750                 return MIN2(r->simplify_shadowsamples, samples);
751         else
752                 return samples;
753 }
754
755 float get_render_aosss_error(RenderData *r, float error)
756 {
757         if(G.rt == 1 && (r->mode & R_SIMPLIFY))
758                 return ((1.0f-r->simplify_aosss)*10.0f + 1.0f)*error;
759         else
760                 return error;
761 }
762