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_anim_types.h"
  47 #include "DNA_armature_types.h"
  48 #include "DNA_color_types.h"
  49 #include "DNA_constraint_types.h"
  50 #include "DNA_curve_types.h"
  51 #include "DNA_group_types.h"
  52 #include "DNA_lamp_types.h"
  53 #include "DNA_material_types.h"
  54 #include "DNA_meta_types.h"
  55 #include "DNA_object_types.h"
  56 #include "DNA_scene_types.h"
  57 #include "DNA_scriptlink_types.h"
  58 #include "DNA_texture_types.h"
  59 #include "DNA_userdef_types.h"
  60
  61 #include "BKE_action.h"
  62 #include "BKE_anim.h"
  63 #include "BKE_animsys.h"
  64 #include "BKE_armature.h"
  65 #include "BKE_colortools.h"
  66 #include "BKE_colortools.h"
  67 #include "BKE_constraint.h"
  68 #include "BKE_depsgraph.h"
  69 #include "BKE_global.h"
  70 #include "BKE_group.h"
  71 #include "BKE_ipo.h"
  72 #include "BKE_idprop.h"
  73 #include "BKE_image.h"
  74 #include "BKE_key.h"
  75 #include "BKE_library.h"
  76 #include "BKE_main.h"
  77 #include "BKE_node.h"
  78 #include "BKE_object.h"
  79 #include "BKE_scene.h"
  80 #include "BKE_sculpt.h"
  81 #include "BKE_sequence.h"
  82 #include "BKE_world.h"
  83 #include "BKE_utildefines.h"
  84
  85 //XXX #include "BIF_previewrender.h"
  86 //XXX #include "BIF_editseq.h"
  87
  88 #ifndef DISABLE_PYTHON
  89 #include "BPY_extern.h"
  90 #endif
  91
  92 #include "BLI_arithb.h"
  93 #include "BLI_blenlib.h"
  94
  95 //XXX #include "nla.h"
  96
  97 #ifdef WIN32
  98 #else
  99 #include <sys/time.h>
 100 #endif
 101
 102 void free_avicodecdata(AviCodecData *acd)
 103 {
 104         if (acd) {
 105                 if (acd->lpFormat){
 106                         MEM_freeN(acd->lpFormat);
 107                         acd->lpFormat = NULL;
 108                         acd->cbFormat = 0;
 109                 }
 110                 if (acd->lpParms){
 111                         MEM_freeN(acd->lpParms);
 112                         acd->lpParms = NULL;
 113                         acd->cbParms = 0;
 114                 }
 115         }
 116 }
 117
 118 void free_qtcodecdata(QuicktimeCodecData *qcd)
 119 {
 120         if (qcd) {
 121                 if (qcd->cdParms){
 122                         MEM_freeN(qcd->cdParms);
 123                         qcd->cdParms = NULL;
 124                         qcd->cdSize = 0;
 125                 }
 126         }
 127 }
 128
 129 /* copy_scene moved to src/header_info.c... should be back */
 130
 131 /* do not free scene itself */
 132 void free_scene(Scene *sce)
 133 {
 134         Base *base;
 135
 136         base= sce->base.first;
 137         while(base) {
 138                 base->object->id.us--;
 139                 base= base->next;
 140         }
 141         /* do not free objects! */
 142
 143         BLI_freelistN(&sce->base);
 144         seq_free_editing(sce->ed);
 145
 146 #ifndef DISABLE_PYTHON
 147         BPY_free_scriptlink(&sce->scriptlink);
 148 #endif
 149
 150         BKE_free_animdata((ID *)sce);
 151         BKE_keyingsets_free(&sce->keyingsets);
 152
 153         if (sce->r.avicodecdata) {
 154                 free_avicodecdata(sce->r.avicodecdata);
 155                 MEM_freeN(sce->r.avicodecdata);
 156                 sce->r.avicodecdata = NULL;
 157         }
 158         if (sce->r.qtcodecdata) {
 159                 free_qtcodecdata(sce->r.qtcodecdata);
 160                 MEM_freeN(sce->r.qtcodecdata);
 161                 sce->r.qtcodecdata = NULL;
 162         }
 163         if (sce->r.ffcodecdata.properties) {
 164                 IDP_FreeProperty(sce->r.ffcodecdata.properties);
 165                 MEM_freeN(sce->r.ffcodecdata.properties);
 166                 sce->r.ffcodecdata.properties = NULL;
 167         }
 168
 169         BLI_freelistN(&sce->markers);
 170         BLI_freelistN(&sce->transform_spaces);
 171         BLI_freelistN(&sce->r.layers);
 172
 173         if(sce->toolsettings) {
 174                 if(sce->toolsettings->vpaint)
 175                         MEM_freeN(sce->toolsettings->vpaint);
 176                 if(sce->toolsettings->wpaint)
 177                         MEM_freeN(sce->toolsettings->wpaint);
 178                 if(sce->toolsettings->sculpt) {
 179                         sculptsession_free(sce->toolsettings->sculpt);
 180                         MEM_freeN(sce->toolsettings->sculpt);
 181                 }
 182
 183                 MEM_freeN(sce->toolsettings);
 184                 sce->toolsettings = NULL;
 185         }
 186
 187         if (sce->theDag) {
 188                 free_forest(sce->theDag);
 189                 MEM_freeN(sce->theDag);
 190         }
 191
 192         if(sce->nodetree) {
 193                 ntreeFreeTree(sce->nodetree);
 194                 MEM_freeN(sce->nodetree);
 195         }
 196 }
 197
 198 Scene *add_scene(char *name)
 199 {
 200         Scene *sce;
 201         ParticleEditSettings *pset;
 202         int a;
 203
 204         sce= alloc_libblock(&G.main->scene, ID_SCE, name);
 205         sce->lay= 1;
 206
 207         sce->r.mode= R_GAMMA|R_OSA|R_SHADOW|R_SSS|R_ENVMAP|R_RAYTRACE;
 208         sce->r.cfra= 1;
 209         sce->r.sfra= 1;
 210         sce->r.efra= 250;
 211         sce->r.xsch= 1920;
 212         sce->r.ysch= 1080;
 213         sce->r.xasp= 1;
 214         sce->r.yasp= 1;
 215         sce->r.xparts= 8;
 216         sce->r.yparts= 8;
 217         sce->r.size= 25;
 218         sce->r.planes= 24;
 219         sce->r.quality= 90;
 220         sce->r.framapto= 100;
 221         sce->r.images= 100;
 222         sce->r.framelen= 1.0;
 223         sce->r.frs_sec= 25;
 224         sce->r.frs_sec_base= 1;
 225         sce->r.ocres = 128;
 226
 227         sce->r.bake_mode= 1;    /* prevent to include render stuff here */
 228         sce->r.bake_filter= 8;
 229         sce->r.bake_osa= 5;
 230         sce->r.bake_flag= R_BAKE_CLEAR;
 231         sce->r.bake_normal_space= R_BAKE_SPACE_TANGENT;
 232
 233         sce->r.xplay= 640;
 234         sce->r.yplay= 480;
 235         sce->r.freqplay= 60;
 236         sce->r.depth= 32;
 237
 238         sce->r.scemode= R_DOCOMP|R_DOSEQ|R_EXTENSION;
 239         sce->r.stamp= R_STAMP_TIME|R_STAMP_FRAME|R_STAMP_DATE|R_STAMP_SCENE|R_STAMP_CAMERA;
 240
 241         sce->r.threads= 1;
 242
 243         sce->r.stereomode = 1;  // no stereo
 244         sce->r.domeangle = 180;
 245         sce->r.domemode = 1;
 246         sce->r.domeres = 4;
 247         sce->r.domeresbuf = 1.0f;
 248         sce->r.dometilt = 0;
 249
 250         sce->r.simplify_subsurf= 6;
 251         sce->r.simplify_particles= 1.0f;
 252         sce->r.simplify_shadowsamples= 16;
 253         sce->r.simplify_aosss= 1.0f;
 254
 255         sce->r.cineonblack= 95;
 256         sce->r.cineonwhite= 685;
 257         sce->r.cineongamma= 1.7f;
 258
 259         sce->toolsettings = MEM_callocN(sizeof(struct ToolSettings),"Tool Settings Struct");
 260         sce->toolsettings->cornertype=1;
 261         sce->toolsettings->degr = 90;
 262         sce->toolsettings->step = 9;
 263         sce->toolsettings->turn = 1;
 264         sce->toolsettings->extr_offs = 1;
 265         sce->toolsettings->doublimit = 0.001;
 266         sce->toolsettings->segments = 32;
 267         sce->toolsettings->rings = 32;
 268         sce->toolsettings->vertices = 32;
 269         sce->toolsettings->editbutflag = 1;
 270         sce->toolsettings->uvcalc_radius = 1.0f;
 271         sce->toolsettings->uvcalc_cubesize = 1.0f;
 272         sce->toolsettings->uvcalc_mapdir = 1;
 273         sce->toolsettings->uvcalc_mapalign = 1;
 274         sce->toolsettings->unwrapper = 1;
 275         sce->toolsettings->select_thresh= 0.01f;
 276         sce->toolsettings->jointrilimit = 0.8f;
 277
 278         sce->toolsettings->selectmode= SCE_SELECT_VERTEX;
 279         sce->toolsettings->normalsize= 0.1;
 280         sce->toolsettings->autokey_mode= U.autokey_mode;
 281
 282         sce->toolsettings->skgen_resolution = 100;
 283         sce->toolsettings->skgen_threshold_internal     = 0.01f;
 284         sce->toolsettings->skgen_threshold_external     = 0.01f;
 285         sce->toolsettings->skgen_angle_limit                    = 45.0f;
 286         sce->toolsettings->skgen_length_ratio                   = 1.3f;
 287         sce->toolsettings->skgen_length_limit                   = 1.5f;
 288         sce->toolsettings->skgen_correlation_limit              = 0.98f;
 289         sce->toolsettings->skgen_symmetry_limit                 = 0.1f;
 290         sce->toolsettings->skgen_postpro = SKGEN_SMOOTH;
 291         sce->toolsettings->skgen_postpro_passes = 1;
 292         sce->toolsettings->skgen_options = SKGEN_FILTER_INTERNAL|SKGEN_FILTER_EXTERNAL|SKGEN_FILTER_SMART|SKGEN_HARMONIC|SKGEN_SUB_CORRELATION|SKGEN_STICK_TO_EMBEDDING;
 293         sce->toolsettings->skgen_subdivisions[0] = SKGEN_SUB_CORRELATION;
 294         sce->toolsettings->skgen_subdivisions[1] = SKGEN_SUB_LENGTH;
 295         sce->toolsettings->skgen_subdivisions[2] = SKGEN_SUB_ANGLE;
 296
 297         sce->toolsettings->proportional_size = 1.0f;
 298
 299         pset= &sce->toolsettings->particle;
 300         pset->flag= PE_KEEP_LENGTHS|PE_LOCK_FIRST|PE_DEFLECT_EMITTER;
 301         pset->emitterdist= 0.25f;
 302         pset->totrekey= 5;
 303         pset->totaddkey= 5;
 304         pset->brushtype= PE_BRUSH_NONE;
 305         for(a=0; a<PE_TOT_BRUSH; a++) {
 306                 pset->brush[a].strength= 50;
 307                 pset->brush[a].size= 50;
 308                 pset->brush[a].step= 10;
 309         }
 310         pset->brush[PE_BRUSH_CUT].strength= 100;
 311
 312         sce->jumpframe = 10;
 313         sce->audio.mixrate = 44100;
 314
 315         strcpy(sce->r.backbuf, "//backbuf");
 316         strcpy(sce->r.pic, U.renderdir);
 317
 318         BLI_init_rctf(&sce->r.safety, 0.1f, 0.9f, 0.1f, 0.9f);
 319         sce->r.osa= 8;
 320
 321         /* note; in header_info.c the scene copy happens..., if you add more to renderdata it has to be checked there */
 322         scene_add_render_layer(sce);
 323
 324         return sce;
 325 }
 326
 327 Base *object_in_scene(Object *ob, Scene *sce)
 328 {
 329         Base *base;
 330
 331         base= sce->base.first;
 332         while(base) {
 333                 if(base->object == ob) return base;
 334                 base= base->next;
 335         }
 336         return NULL;
 337 }
 338
 339 void set_scene_bg(Scene *scene)
 340 {
 341         Scene *sce;
 342         Base *base;
 343         Object *ob;
 344         Group *group;
 345         GroupObject *go;
 346         int flag;
 347
 348         /* check for cyclic sets, for reading old files but also for definite security (py?) */
 349         scene_check_setscene(scene);
 350
 351         /* deselect objects (for dataselect) */
 352         for(ob= G.main->object.first; ob; ob= ob->id.next)
 353                 ob->flag &= ~(SELECT|OB_FROMGROUP);
 354
 355         /* group flags again */
 356         for(group= G.main->group.first; group; group= group->id.next) {
 357                 go= group->gobject.first;
 358                 while(go) {
 359                         if(go->ob) go->ob->flag |= OB_FROMGROUP;
 360                         go= go->next;
 361                 }
 362         }
 363
 364         /* sort baselist */
 365         DAG_scene_sort(scene);
 366
 367         /* ensure dags are built for sets */
 368         for(sce= scene->set; sce; sce= sce->set)
 369                 if(sce->theDag==NULL)
 370                         DAG_scene_sort(sce);
 371
 372         /* copy layers and flags from bases to objects */
 373         for(base= scene->base.first; base; base= base->next) {
 374                 ob= base->object;
 375                 ob->lay= base->lay;
 376
 377                 /* group patch... */
 378                 base->flag &= ~(OB_FROMGROUP);
 379                 flag= ob->flag & (OB_FROMGROUP);
 380                 base->flag |= flag;
 381
 382                 /* not too nice... for recovering objects with lost data */
 383                 if(ob->pose==NULL) base->flag &= ~OB_POSEMODE;
 384                 ob->flag= base->flag;
 385
 386                 ob->ctime= -1234567.0;  /* force ipo to be calculated later */
 387         }
 388         /* no full animation update, this to enable render code to work (render code calls own animation updates) */
 389
 390         /* do we need FRAMECHANGED in set_scene? */
 391 //      if (G.f & G_DOSCRIPTLINKS) BPY_do_all_scripts(SCRIPT_FRAMECHANGED, 0);
 392 }
 393
 394 /* called from creator.c */
 395 void set_scene_name(char *name)
 396 {
 397         Scene *sce;
 398
 399         for (sce= G.main->scene.first; sce; sce= sce->id.next) {
 400                 if (BLI_streq(name, sce->id.name+2)) {
 401                         set_scene_bg(sce);
 402                         return;
 403                 }
 404         }
 405
 406         //XXX error("Can't find scene: %s", name);
 407 }
 408
 409 /* used by metaballs
 410  * doesnt return the original duplicated object, only dupli's
 411  */
 412 int next_object(Scene *scene, int val, Base **base, Object **ob)
 413 {
 414         static ListBase *duplilist= NULL;
 415         static DupliObject *dupob;
 416         static int fase= F_START, in_next_object= 0;
 417         int run_again=1;
 418
 419         /* init */
 420         if(val==0) {
 421                 fase= F_START;
 422                 dupob= NULL;
 423
 424                 /* XXX particle systems with metas+dupligroups call this recursively */
 425                 /* see bug #18725 */
 426                 if(in_next_object) {
 427                         printf("ERROR: MetaBall generation called recursively, not supported\n");
 428
 429                         return F_ERROR;
 430                 }
 431         }
 432         else {
 433                 in_next_object= 1;
 434
 435                 /* run_again is set when a duplilist has been ended */
 436                 while(run_again) {
 437                         run_again= 0;
 438
 439                         /* the first base */
 440                         if(fase==F_START) {
 441                                 *base= scene->base.first;
 442                                 if(*base) {
 443                                         *ob= (*base)->object;
 444                                         fase= F_SCENE;
 445                                 }
 446                                 else {
 447                                     /* exception: empty scene */
 448                                         if(scene->set && scene->set->base.first) {
 449                                                 *base= scene->set->base.first;
 450                                                 *ob= (*base)->object;
 451                                                 fase= F_SET;
 452                                         }
 453                                 }
 454                         }
 455                         else {
 456                                 if(*base && fase!=F_DUPLI) {
 457                                         *base= (*base)->next;
 458                                         if(*base) *ob= (*base)->object;
 459                                         else {
 460                                                 if(fase==F_SCENE) {
 461                                                         /* scene is finished, now do the set */
 462                                                         if(scene->set && scene->set->base.first) {
 463                                                                 *base= scene->set->base.first;
 464                                                                 *ob= (*base)->object;
 465                                                                 fase= F_SET;
 466                                                         }
 467                                                 }
 468                                         }
 469                                 }
 470                         }
 471
 472                         if(*base == NULL) fase= F_START;
 473                         else {
 474                                 if(fase!=F_DUPLI) {
 475                                         if( (*base)->object->transflag & OB_DUPLI) {
 476                                                 /* groups cannot be duplicated for mballs yet,
 477                                                 this enters eternal loop because of
 478                                                 makeDispListMBall getting called inside of group_duplilist */
 479                                                 if((*base)->object->dup_group == NULL) {
 480                                                         duplilist= object_duplilist(scene, (*base)->object);
 481
 482                                                         dupob= duplilist->first;
 483
 484                                                         if(!dupob)
 485                                                                 free_object_duplilist(duplilist);
 486                                                 }
 487                                         }
 488                                 }
 489                                 /* handle dupli's */
 490                                 if(dupob) {
 491
 492                                         Mat4CpyMat4(dupob->ob->obmat, dupob->mat);
 493
 494                                         (*base)->flag |= OB_FROMDUPLI;
 495                                         *ob= dupob->ob;
 496                                         fase= F_DUPLI;
 497
 498                                         dupob= dupob->next;
 499                                 }
 500                                 else if(fase==F_DUPLI) {
 501                                         fase= F_SCENE;
 502                                         (*base)->flag &= ~OB_FROMDUPLI;
 503
 504                                         for(dupob= duplilist->first; dupob; dupob= dupob->next) {
 505                                                 Mat4CpyMat4(dupob->ob->obmat, dupob->omat);
 506                                         }
 507
 508                                         free_object_duplilist(duplilist);
 509                                         duplilist= NULL;
 510                                         run_again= 1;
 511                                 }
 512                         }
 513                 }
 514         }
 515
 516         /* reset recursion test */
 517         in_next_object= 0;
 518
 519         return fase;
 520 }
 521
 522 Object *scene_find_camera(Scene *sc)
 523 {
 524         Base *base;
 525
 526         for (base= sc->base.first; base; base= base->next)
 527                 if (base->object->type==OB_CAMERA)
 528                         return base->object;
 529
 530         return NULL;
 531 }
 532
 533
 534 Base *scene_add_base(Scene *sce, Object *ob)
 535 {
 536         Base *b= MEM_callocN(sizeof(*b), "scene_add_base");
 537         BLI_addhead(&sce->base, b);
 538
 539         b->object= ob;
 540         b->flag= ob->flag;
 541         b->lay= ob->lay;
 542
 543         return b;
 544 }
 545
 546 void scene_deselect_all(Scene *sce)
 547 {
 548         Base *b;
 549
 550         for (b= sce->base.first; b; b= b->next) {
 551                 b->flag&= ~SELECT;
 552                 b->object->flag= b->flag;
 553         }
 554 }
 555
 556 void scene_select_base(Scene *sce, Base *selbase)
 557 {
 558         scene_deselect_all(sce);
 559
 560         selbase->flag |= SELECT;
 561         selbase->object->flag= selbase->flag;
 562
 563         sce->basact= selbase;
 564 }
 565
 566 /* checks for cycle, returns 1 if it's all OK */
 567 int scene_check_setscene(Scene *sce)
 568 {
 569         Scene *scene;
 570         int a, totscene;
 571
 572         if(sce->set==NULL) return 1;
 573
 574         totscene= 0;
 575         for(scene= G.main->scene.first; scene; scene= scene->id.next)
 576                 totscene++;
 577
 578         for(a=0, scene=sce; scene->set; scene=scene->set, a++) {
 579                 /* more iterations than scenes means we have a cycle */
 580                 if(a > totscene) {
 581                         /* the tested scene gets zero'ed, that's typically current scene */
 582                         sce->set= NULL;
 583                         return 0;
 584                 }
 585         }
 586
 587         return 1;
 588 }
 589
 590 /* This (evil) function is needed to cope with two legacy Blender rendering features
 591 * mblur (motion blur that renders 'subframes' and blurs them together), and fields
 592 * rendering. Thus, the use of ugly globals from object.c
 593 */
 594 // BAD... EVIL... JUJU...!!!!
 595 // XXX moved here temporarily
 596 float frame_to_float (Scene *scene, int cfra)           /* see also bsystem_time in object.c */
 597 {
 598         extern float bluroffs;  /* bad stuff borrowed from object.c */
 599         extern float fieldoffs;
 600         float ctime;
 601
 602         ctime= (float)cfra;
 603         ctime+= bluroffs+fieldoffs;
 604         ctime*= scene->r.framelen;
 605
 606         return ctime;
 607 }
 608
 609 static void scene_update(Scene *sce, unsigned int lay)
 610 {
 611         Base *base;
 612         Object *ob;
 613         float ctime = frame_to_float(sce, sce->r.cfra);
 614
 615         if(sce->theDag==NULL)
 616                 DAG_scene_sort(sce);
 617
 618         DAG_scene_update_flags(sce, lay);   // only stuff that moves or needs display still
 619
 620         /* All 'standard' (i.e. without any dependencies) animation is handled here,
 621                 * with an 'local' to 'macro' order of evaluation. This should ensure that
 622                 * settings stored nestled within a hierarchy (i.e. settings in a Texture block
 623             * can be overridden by settings from Scene, which owns the Texture through a hierarchy
 624             * such as Scene->World->MTex/Texture) can still get correctly overridden.
 625                 */
 626         BKE_animsys_evaluate_all_animation(G.main, ctime);
 627
 628         for(base= sce->base.first; base; base= base->next) {
 629                 ob= base->object;
 630
 631                 object_handle_update(sce, ob);   // bke_object.h
 632
 633                 /* only update layer when an ipo */
 634                         // XXX old animation system
 635                 //if(ob->ipo && has_ipo_code(ob->ipo, OB_LAY) ) {
 636                 //      base->lay= ob->lay;
 637                 //}
 638         }
 639 }
 640
 641
 642 /* applies changes right away, does all sets too */
 643 void scene_update_for_newframe(Scene *sce, unsigned int lay)
 644 {
 645         Scene *scene= sce;
 646
 647         /* clear animation overrides */
 648         // XXX TODO...
 649
 650 #ifndef DISABLE_PYTHON
 651         if (G.f & G_DOSCRIPTLINKS) BPY_do_all_scripts(SCRIPT_FRAMECHANGED, 0);
 652 #endif
 653         /* sets first, we allow per definition current scene to have dependencies on sets */
 654         for(sce= sce->set; sce; sce= sce->set)
 655                 scene_update(sce, lay);
 656
 657         scene_update(scene, lay);
 658 }
 659
 660 /* return default layer, also used to patch old files */
 661 void scene_add_render_layer(Scene *sce)
 662 {
 663         SceneRenderLayer *srl;
 664         int tot= 1 + BLI_countlist(&sce->r.layers);
 665
 666         srl= MEM_callocN(sizeof(SceneRenderLayer), "new render layer");
 667         sprintf(srl->name, "%d RenderLayer", tot);
 668         BLI_addtail(&sce->r.layers, srl);
 669
 670         /* note, this is also in render, pipeline.c, to make layer when scenedata doesnt have it */
 671         srl->lay= (1<<20) -1;
 672         srl->layflag= 0x7FFF;   /* solid ztra halo edge strand */
 673         srl->passflag= SCE_PASS_COMBINED|SCE_PASS_Z;
 674 }
 675
 676 void sculptsession_free(Sculpt *sculpt)
 677 {
 678         SculptSession *ss= sculpt->session;
 679         if(ss) {
 680                 if(ss->projverts)
 681                         MEM_freeN(ss->projverts);
 682
 683                 if(ss->fmap)
 684                         MEM_freeN(ss->fmap);
 685
 686                 if(ss->fmap_mem)
 687                         MEM_freeN(ss->fmap_mem);
 688
 689                 if(ss->texcache)
 690                         MEM_freeN(ss->texcache);
 691                 MEM_freeN(ss);
 692                 sculpt->session= NULL;
 693         }
 694 }
 695
 696 /* render simplification */
 697
 698 int get_render_subsurf_level(RenderData *r, int lvl)
 699 {
 700         if(G.rt == 1 && (r->mode & R_SIMPLIFY))
 701                 return MIN2(r->simplify_subsurf, lvl);
 702         else
 703                 return lvl;
 704 }
 705
 706 int get_render_child_particle_number(RenderData *r, int num)
 707 {
 708         if(G.rt == 1 && (r->mode & R_SIMPLIFY))
 709                 return (int)(r->simplify_particles*num);
 710         else
 711                 return num;
 712 }
 713
 714 int get_render_shadow_samples(RenderData *r, int samples)
 715 {
 716         if(G.rt == 1 && (r->mode & R_SIMPLIFY) && samples > 0)
 717                 return MIN2(r->simplify_shadowsamples, samples);
 718         else
 719                 return samples;
 720 }
 721
 722 float get_render_aosss_error(RenderData *r, float error)
 723 {
 724         if(G.rt == 1 && (r->mode & R_SIMPLIFY))
 725                 return ((1.0f-r->simplify_aosss)*10.0f + 1.0f)*error;
 726         else
 727                 return error;
 728 }
 729
 730 void free_dome_warp_text(struct Text *txt)
 731 {
 732         Scene *scene;
 733
 734         scene = G.main->scene.first;
 735         while(scene) {
 736                 if (scene->r.dometext == txt)
 737                         scene->r.dometext = NULL;
 738                 scene = scene->id.next;
 739         }
 740 }