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_texture_types.h"
  58 #include "DNA_userdef_types.h"
  59
  60 #include "BKE_action.h"
  61 #include "BKE_anim.h"
  62 #include "BKE_animsys.h"
  63 #include "BKE_armature.h"
  64 #include "BKE_colortools.h"
  65 #include "BKE_colortools.h"
  66 #include "BKE_constraint.h"
  67 #include "BKE_depsgraph.h"
  68 #include "BKE_global.h"
  69 #include "BKE_group.h"
  70 #include "BKE_ipo.h"
  71 #include "BKE_idprop.h"
  72 #include "BKE_image.h"
  73 #include "BKE_key.h"
  74 #include "BKE_library.h"
  75 #include "BKE_main.h"
  76 #include "BKE_node.h"
  77 #include "BKE_object.h"
  78 #include "BKE_scene.h"
  79 #include "BKE_sculpt.h"
  80 #include "BKE_sequence.h"
  81 #include "BKE_world.h"
  82 #include "BKE_utildefines.h"
  83
  84 //XXX #include "BIF_previewrender.h"
  85 //XXX #include "BIF_editseq.h"
  86
  87 #ifndef DISABLE_PYTHON
  88 #include "BPY_extern.h"
  89 #endif
  90
  91 #include "BLI_arithb.h"
  92 #include "BLI_blenlib.h"
  93
  94 //XXX #include "nla.h"
  95
  96 #ifdef WIN32
  97 #else
  98 #include <sys/time.h>
  99 #endif
 100
 101 void free_avicodecdata(AviCodecData *acd)
 102 {
 103         if (acd) {
 104                 if (acd->lpFormat){
 105                         MEM_freeN(acd->lpFormat);
 106                         acd->lpFormat = NULL;
 107                         acd->cbFormat = 0;
 108                 }
 109                 if (acd->lpParms){
 110                         MEM_freeN(acd->lpParms);
 111                         acd->lpParms = NULL;
 112                         acd->cbParms = 0;
 113                 }
 114         }
 115 }
 116
 117 void free_qtcodecdata(QuicktimeCodecData *qcd)
 118 {
 119         if (qcd) {
 120                 if (qcd->cdParms){
 121                         MEM_freeN(qcd->cdParms);
 122                         qcd->cdParms = NULL;
 123                         qcd->cdSize = 0;
 124                 }
 125         }
 126 }
 127
 128 /* copy_scene moved to src/header_info.c... should be back */
 129
 130 /* do not free scene itself */
 131 void free_scene(Scene *sce)
 132 {
 133         Base *base;
 134
 135         base= sce->base.first;
 136         while(base) {
 137                 base->object->id.us--;
 138                 base= base->next;
 139         }
 140         /* do not free objects! */
 141
 142         BLI_freelistN(&sce->base);
 143         seq_free_editing(sce);
 144
 145         BKE_free_animdata((ID *)sce);
 146         BKE_keyingsets_free(&sce->keyingsets);
 147
 148         if (sce->r.avicodecdata) {
 149                 free_avicodecdata(sce->r.avicodecdata);
 150                 MEM_freeN(sce->r.avicodecdata);
 151                 sce->r.avicodecdata = NULL;
 152         }
 153         if (sce->r.qtcodecdata) {
 154                 free_qtcodecdata(sce->r.qtcodecdata);
 155                 MEM_freeN(sce->r.qtcodecdata);
 156                 sce->r.qtcodecdata = NULL;
 157         }
 158         if (sce->r.ffcodecdata.properties) {
 159                 IDP_FreeProperty(sce->r.ffcodecdata.properties);
 160                 MEM_freeN(sce->r.ffcodecdata.properties);
 161                 sce->r.ffcodecdata.properties = NULL;
 162         }
 163
 164         BLI_freelistN(&sce->markers);
 165         BLI_freelistN(&sce->transform_spaces);
 166         BLI_freelistN(&sce->r.layers);
 167
 168         if(sce->toolsettings) {
 169                 if(sce->toolsettings->vpaint)
 170                         MEM_freeN(sce->toolsettings->vpaint);
 171                 if(sce->toolsettings->wpaint)
 172                         MEM_freeN(sce->toolsettings->wpaint);
 173                 if(sce->toolsettings->sculpt) {
 174                         sculptsession_free(sce->toolsettings->sculpt);
 175                         MEM_freeN(sce->toolsettings->sculpt);
 176                 }
 177
 178                 MEM_freeN(sce->toolsettings);
 179                 sce->toolsettings = NULL;
 180         }
 181
 182         if (sce->theDag) {
 183                 free_forest(sce->theDag);
 184                 MEM_freeN(sce->theDag);
 185         }
 186
 187         if(sce->nodetree) {
 188                 ntreeFreeTree(sce->nodetree);
 189                 MEM_freeN(sce->nodetree);
 190         }
 191 }
 192
 193 Scene *add_scene(char *name)
 194 {
 195         Scene *sce;
 196         ParticleEditSettings *pset;
 197         int a;
 198
 199         sce= alloc_libblock(&G.main->scene, ID_SCE, name);
 200         sce->lay= 1;
 201
 202         sce->r.mode= R_GAMMA|R_OSA|R_SHADOW|R_SSS|R_ENVMAP|R_RAYTRACE;
 203         sce->r.cfra= 1;
 204         sce->r.sfra= 1;
 205         sce->r.efra= 250;
 206         sce->r.xsch= 1920;
 207         sce->r.ysch= 1080;
 208         sce->r.xasp= 1;
 209         sce->r.yasp= 1;
 210         sce->r.xparts= 8;
 211         sce->r.yparts= 8;
 212         sce->r.size= 25;
 213         sce->r.planes= 24;
 214         sce->r.quality= 90;
 215         sce->r.framapto= 100;
 216         sce->r.images= 100;
 217         sce->r.framelen= 1.0;
 218         sce->r.frs_sec= 25;
 219         sce->r.frs_sec_base= 1;
 220         sce->r.ocres = 128;
 221         sce->r.color_mgt_flag |= R_COLOR_MANAGEMENT;
 222
 223         sce->r.bake_mode= 1;    /* prevent to include render stuff here */
 224         sce->r.bake_filter= 8;
 225         sce->r.bake_osa= 5;
 226         sce->r.bake_flag= R_BAKE_CLEAR;
 227         sce->r.bake_normal_space= R_BAKE_SPACE_TANGENT;
 228
 229         sce->r.scemode= R_DOCOMP|R_DOSEQ|R_EXTENSION;
 230         sce->r.stamp= R_STAMP_TIME|R_STAMP_FRAME|R_STAMP_DATE|R_STAMP_SCENE|R_STAMP_CAMERA;
 231
 232         sce->r.threads= 1;
 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         sce->toolsettings->selectmode= SCE_SELECT_VERTEX;
 263         sce->toolsettings->normalsize= 0.1;
 264         sce->toolsettings->autokey_mode= U.autokey_mode;
 265
 266         sce->toolsettings->skgen_resolution = 100;
 267         sce->toolsettings->skgen_threshold_internal     = 0.01f;
 268         sce->toolsettings->skgen_threshold_external     = 0.01f;
 269         sce->toolsettings->skgen_angle_limit                    = 45.0f;
 270         sce->toolsettings->skgen_length_ratio                   = 1.3f;
 271         sce->toolsettings->skgen_length_limit                   = 1.5f;
 272         sce->toolsettings->skgen_correlation_limit              = 0.98f;
 273         sce->toolsettings->skgen_symmetry_limit                 = 0.1f;
 274         sce->toolsettings->skgen_postpro = SKGEN_SMOOTH;
 275         sce->toolsettings->skgen_postpro_passes = 1;
 276         sce->toolsettings->skgen_options = SKGEN_FILTER_INTERNAL|SKGEN_FILTER_EXTERNAL|SKGEN_FILTER_SMART|SKGEN_HARMONIC|SKGEN_SUB_CORRELATION|SKGEN_STICK_TO_EMBEDDING;
 277         sce->toolsettings->skgen_subdivisions[0] = SKGEN_SUB_CORRELATION;
 278         sce->toolsettings->skgen_subdivisions[1] = SKGEN_SUB_LENGTH;
 279         sce->toolsettings->skgen_subdivisions[2] = SKGEN_SUB_ANGLE;
 280
 281         sce->toolsettings->proportional_size = 1.0f;
 282
 283
 284         sce->unit.scale_length = 1.0f;
 285
 286         pset= &sce->toolsettings->particle;
 287         pset->flag= PE_KEEP_LENGTHS|PE_LOCK_FIRST|PE_DEFLECT_EMITTER;
 288         pset->emitterdist= 0.25f;
 289         pset->totrekey= 5;
 290         pset->totaddkey= 5;
 291         pset->brushtype= PE_BRUSH_NONE;
 292         for(a=0; a<PE_TOT_BRUSH; a++) {
 293                 pset->brush[a].strength= 50;
 294                 pset->brush[a].size= 50;
 295                 pset->brush[a].step= 10;
 296         }
 297         pset->brush[PE_BRUSH_CUT].strength= 100;
 298
 299         sce->jumpframe = 10;
 300         sce->audio.mixrate = 44100;
 301
 302         strcpy(sce->r.backbuf, "//backbuf");
 303         strcpy(sce->r.pic, U.renderdir);
 304
 305         BLI_init_rctf(&sce->r.safety, 0.1f, 0.9f, 0.1f, 0.9f);
 306         sce->r.osa= 8;
 307
 308         /* note; in header_info.c the scene copy happens..., if you add more to renderdata it has to be checked there */
 309         scene_add_render_layer(sce);
 310
 311         /* game data */
 312         sce->gm.stereoflag = STEREO_NOSTEREO;
 313         sce->gm.stereomode = STEREO_ANAGLYPH;
 314         sce->gm.dome.angle = 180;
 315         sce->gm.dome.mode = DOME_FISHEYE;
 316         sce->gm.dome.res = 4;
 317         sce->gm.dome.resbuf = 1.0f;
 318         sce->gm.dome.tilt = 0;
 319
 320         sce->gm.xplay= 800;
 321         sce->gm.yplay= 600;
 322         sce->gm.freqplay= 60;
 323         sce->gm.depth= 32;
 324
 325         sce->gm.gravity= 9.8f;
 326         sce->gm.physicsEngine= WOPHY_BULLET;
 327         sce->gm.mode = 32; //XXX ugly harcoding, still not sure we should drop mode. 32 == 1 << 5 == use_occlusion_culling
 328         sce->gm.occlusionRes = 128;
 329         sce->gm.ticrate = 60;
 330         sce->gm.maxlogicstep = 5;
 331         sce->gm.physubstep = 1;
 332         sce->gm.maxphystep = 5;
 333
 334         return sce;
 335 }
 336
 337 Base *object_in_scene(Object *ob, Scene *sce)
 338 {
 339         Base *base;
 340
 341         base= sce->base.first;
 342         while(base) {
 343                 if(base->object == ob) return base;
 344                 base= base->next;
 345         }
 346         return NULL;
 347 }
 348
 349 void set_scene_bg(Scene *scene)
 350 {
 351         Scene *sce;
 352         Base *base;
 353         Object *ob;
 354         Group *group;
 355         GroupObject *go;
 356         int flag;
 357
 358         /* check for cyclic sets, for reading old files but also for definite security (py?) */
 359         scene_check_setscene(scene);
 360
 361         /* deselect objects (for dataselect) */
 362         for(ob= G.main->object.first; ob; ob= ob->id.next)
 363                 ob->flag &= ~(SELECT|OB_FROMGROUP);
 364
 365         /* group flags again */
 366         for(group= G.main->group.first; group; group= group->id.next) {
 367                 go= group->gobject.first;
 368                 while(go) {
 369                         if(go->ob) go->ob->flag |= OB_FROMGROUP;
 370                         go= go->next;
 371                 }
 372         }
 373
 374         /* sort baselist */
 375         DAG_scene_sort(scene);
 376
 377         /* ensure dags are built for sets */
 378         for(sce= scene->set; sce; sce= sce->set)
 379                 if(sce->theDag==NULL)
 380                         DAG_scene_sort(sce);
 381
 382         /* copy layers and flags from bases to objects */
 383         for(base= scene->base.first; base; base= base->next) {
 384                 ob= base->object;
 385                 ob->lay= base->lay;
 386
 387                 /* group patch... */
 388                 base->flag &= ~(OB_FROMGROUP);
 389                 flag= ob->flag & (OB_FROMGROUP);
 390                 base->flag |= flag;
 391
 392                 /* not too nice... for recovering objects with lost data */
 393                 if(ob->pose==NULL) base->flag &= ~OB_POSEMODE;
 394                 ob->flag= base->flag;
 395
 396                 ob->ctime= -1234567.0;  /* force ipo to be calculated later */
 397         }
 398         /* no full animation update, this to enable render code to work (render code calls own animation updates) */
 399 }
 400
 401 /* called from creator.c */
 402 void set_scene_name(char *name)
 403 {
 404         Scene *sce;
 405
 406         for (sce= G.main->scene.first; sce; sce= sce->id.next) {
 407                 if (BLI_streq(name, sce->id.name+2)) {
 408                         set_scene_bg(sce);
 409                         return;
 410                 }
 411         }
 412
 413         //XXX error("Can't find scene: %s", name);
 414 }
 415
 416 /* used by metaballs
 417  * doesnt return the original duplicated object, only dupli's
 418  */
 419 int next_object(Scene *scene, int val, Base **base, Object **ob)
 420 {
 421         static ListBase *duplilist= NULL;
 422         static DupliObject *dupob;
 423         static int fase= F_START, in_next_object= 0;
 424         int run_again=1;
 425
 426         /* init */
 427         if(val==0) {
 428                 fase= F_START;
 429                 dupob= NULL;
 430
 431                 /* XXX particle systems with metas+dupligroups call this recursively */
 432                 /* see bug #18725 */
 433                 if(in_next_object) {
 434                         printf("ERROR: MetaBall generation called recursively, not supported\n");
 435
 436                         return F_ERROR;
 437                 }
 438         }
 439         else {
 440                 in_next_object= 1;
 441
 442                 /* run_again is set when a duplilist has been ended */
 443                 while(run_again) {
 444                         run_again= 0;
 445
 446                         /* the first base */
 447                         if(fase==F_START) {
 448                                 *base= scene->base.first;
 449                                 if(*base) {
 450                                         *ob= (*base)->object;
 451                                         fase= F_SCENE;
 452                                 }
 453                                 else {
 454                                     /* exception: empty scene */
 455                                         if(scene->set && scene->set->base.first) {
 456                                                 *base= scene->set->base.first;
 457                                                 *ob= (*base)->object;
 458                                                 fase= F_SET;
 459                                         }
 460                                 }
 461                         }
 462                         else {
 463                                 if(*base && fase!=F_DUPLI) {
 464                                         *base= (*base)->next;
 465                                         if(*base) *ob= (*base)->object;
 466                                         else {
 467                                                 if(fase==F_SCENE) {
 468                                                         /* scene is finished, now do the set */
 469                                                         if(scene->set && scene->set->base.first) {
 470                                                                 *base= scene->set->base.first;
 471                                                                 *ob= (*base)->object;
 472                                                                 fase= F_SET;
 473                                                         }
 474                                                 }
 475                                         }
 476                                 }
 477                         }
 478
 479                         if(*base == NULL) fase= F_START;
 480                         else {
 481                                 if(fase!=F_DUPLI) {
 482                                         if( (*base)->object->transflag & OB_DUPLI) {
 483                                                 /* groups cannot be duplicated for mballs yet,
 484                                                 this enters eternal loop because of
 485                                                 makeDispListMBall getting called inside of group_duplilist */
 486                                                 if((*base)->object->dup_group == NULL) {
 487                                                         duplilist= object_duplilist(scene, (*base)->object);
 488
 489                                                         dupob= duplilist->first;
 490
 491                                                         if(!dupob)
 492                                                                 free_object_duplilist(duplilist);
 493                                                 }
 494                                         }
 495                                 }
 496                                 /* handle dupli's */
 497                                 if(dupob) {
 498
 499                                         Mat4CpyMat4(dupob->ob->obmat, dupob->mat);
 500
 501                                         (*base)->flag |= OB_FROMDUPLI;
 502                                         *ob= dupob->ob;
 503                                         fase= F_DUPLI;
 504
 505                                         dupob= dupob->next;
 506                                 }
 507                                 else if(fase==F_DUPLI) {
 508                                         fase= F_SCENE;
 509                                         (*base)->flag &= ~OB_FROMDUPLI;
 510
 511                                         for(dupob= duplilist->first; dupob; dupob= dupob->next) {
 512                                                 Mat4CpyMat4(dupob->ob->obmat, dupob->omat);
 513                                         }
 514
 515                                         free_object_duplilist(duplilist);
 516                                         duplilist= NULL;
 517                                         run_again= 1;
 518                                 }
 519                         }
 520                 }
 521         }
 522
 523         /* reset recursion test */
 524         in_next_object= 0;
 525
 526         return fase;
 527 }
 528
 529 Object *scene_find_camera(Scene *sc)
 530 {
 531         Base *base;
 532
 533         for (base= sc->base.first; base; base= base->next)
 534                 if (base->object->type==OB_CAMERA)
 535                         return base->object;
 536
 537         return NULL;
 538 }
 539
 540
 541 Base *scene_add_base(Scene *sce, Object *ob)
 542 {
 543         Base *b= MEM_callocN(sizeof(*b), "scene_add_base");
 544         BLI_addhead(&sce->base, b);
 545
 546         b->object= ob;
 547         b->flag= ob->flag;
 548         b->lay= ob->lay;
 549
 550         return b;
 551 }
 552
 553 void scene_deselect_all(Scene *sce)
 554 {
 555         Base *b;
 556
 557         for (b= sce->base.first; b; b= b->next) {
 558                 b->flag&= ~SELECT;
 559                 b->object->flag= b->flag;
 560         }
 561 }
 562
 563 void scene_select_base(Scene *sce, Base *selbase)
 564 {
 565         scene_deselect_all(sce);
 566
 567         selbase->flag |= SELECT;
 568         selbase->object->flag= selbase->flag;
 569
 570         sce->basact= selbase;
 571 }
 572
 573 /* checks for cycle, returns 1 if it's all OK */
 574 int scene_check_setscene(Scene *sce)
 575 {
 576         Scene *scene;
 577         int a, totscene;
 578
 579         if(sce->set==NULL) return 1;
 580
 581         totscene= 0;
 582         for(scene= G.main->scene.first; scene; scene= scene->id.next)
 583                 totscene++;
 584
 585         for(a=0, scene=sce; scene->set; scene=scene->set, a++) {
 586                 /* more iterations than scenes means we have a cycle */
 587                 if(a > totscene) {
 588                         /* the tested scene gets zero'ed, that's typically current scene */
 589                         sce->set= NULL;
 590                         return 0;
 591                 }
 592         }
 593
 594         return 1;
 595 }
 596
 597 /* This (evil) function is needed to cope with two legacy Blender rendering features
 598 * mblur (motion blur that renders 'subframes' and blurs them together), and fields
 599 * rendering. Thus, the use of ugly globals from object.c
 600 */
 601 // BAD... EVIL... JUJU...!!!!
 602 // XXX moved here temporarily
 603 float frame_to_float (Scene *scene, int cfra)           /* see also bsystem_time in object.c */
 604 {
 605         extern float bluroffs;  /* bad stuff borrowed from object.c */
 606         extern float fieldoffs;
 607         float ctime;
 608
 609         ctime= (float)cfra;
 610         ctime+= bluroffs+fieldoffs;
 611         ctime*= scene->r.framelen;
 612
 613         return ctime;
 614 }
 615
 616 static void scene_update(Scene *sce, unsigned int lay)
 617 {
 618         Base *base;
 619         Object *ob;
 620         float ctime = frame_to_float(sce, sce->r.cfra);
 621
 622         if(sce->theDag==NULL)
 623                 DAG_scene_sort(sce);
 624
 625         DAG_scene_update_flags(sce, lay);   // only stuff that moves or needs display still
 626
 627         /* All 'standard' (i.e. without any dependencies) animation is handled here,
 628                 * with an 'local' to 'macro' order of evaluation. This should ensure that
 629                 * settings stored nestled within a hierarchy (i.e. settings in a Texture block
 630             * can be overridden by settings from Scene, which owns the Texture through a hierarchy
 631             * such as Scene->World->MTex/Texture) can still get correctly overridden.
 632                 */
 633         BKE_animsys_evaluate_all_animation(G.main, ctime);
 634
 635         for(base= sce->base.first; base; base= base->next) {
 636                 ob= base->object;
 637
 638                 object_handle_update(sce, ob);   // bke_object.h
 639
 640                 /* only update layer when an ipo */
 641                         // XXX old animation system
 642                 //if(ob->ipo && has_ipo_code(ob->ipo, OB_LAY) ) {
 643                 //      base->lay= ob->lay;
 644                 //}
 645         }
 646 }
 647
 648
 649 /* applies changes right away, does all sets too */
 650 void scene_update_for_newframe(Scene *sce, unsigned int lay)
 651 {
 652         Scene *scene= sce;
 653
 654         /* clear animation overrides */
 655         // XXX TODO...
 656
 657         /* sets first, we allow per definition current scene to have dependencies on sets */
 658         for(sce= sce->set; sce; sce= sce->set)
 659                 scene_update(sce, lay);
 660
 661         scene_update(scene, lay);
 662 }
 663
 664 /* return default layer, also used to patch old files */
 665 void scene_add_render_layer(Scene *sce)
 666 {
 667         SceneRenderLayer *srl;
 668         int tot= 1 + BLI_countlist(&sce->r.layers);
 669
 670         srl= MEM_callocN(sizeof(SceneRenderLayer), "new render layer");
 671         sprintf(srl->name, "%d RenderLayer", tot);
 672         BLI_addtail(&sce->r.layers, srl);
 673
 674         /* note, this is also in render, pipeline.c, to make layer when scenedata doesnt have it */
 675         srl->lay= (1<<20) -1;
 676         srl->layflag= 0x7FFF;   /* solid ztra halo edge strand */
 677         srl->passflag= SCE_PASS_COMBINED|SCE_PASS_Z;
 678 }
 679
 680 void sculptsession_free(Sculpt *sculpt)
 681 {
 682         SculptSession *ss= sculpt->session;
 683         if(ss) {
 684                 if(ss->projverts)
 685                         MEM_freeN(ss->projverts);
 686
 687                 if(ss->fmap)
 688                         MEM_freeN(ss->fmap);
 689
 690                 if(ss->fmap_mem)
 691                         MEM_freeN(ss->fmap_mem);
 692
 693                 if(ss->texcache)
 694                         MEM_freeN(ss->texcache);
 695
 696                 if(ss->layer_disps)
 697                         MEM_freeN(ss->layer_disps);
 698
 699                 if(ss->mesh_co_orig)
 700                         MEM_freeN(ss->mesh_co_orig);
 701
 702                 MEM_freeN(ss);
 703                 sculpt->session= NULL;
 704         }
 705 }
 706
 707 /* render simplification */
 708
 709 int get_render_subsurf_level(RenderData *r, int lvl)
 710 {
 711         if(G.rt == 1 && (r->mode & R_SIMPLIFY))
 712                 return MIN2(r->simplify_subsurf, lvl);
 713         else
 714                 return lvl;
 715 }
 716
 717 int get_render_child_particle_number(RenderData *r, int num)
 718 {
 719         if(G.rt == 1 && (r->mode & R_SIMPLIFY))
 720                 return (int)(r->simplify_particles*num);
 721         else
 722                 return num;
 723 }
 724
 725 int get_render_shadow_samples(RenderData *r, int samples)
 726 {
 727         if(G.rt == 1 && (r->mode & R_SIMPLIFY) && samples > 0)
 728                 return MIN2(r->simplify_shadowsamples, samples);
 729         else
 730                 return samples;
 731 }
 732
 733 float get_render_aosss_error(RenderData *r, float error)
 734 {
 735         if(G.rt == 1 && (r->mode & R_SIMPLIFY))
 736                 return ((1.0f-r->simplify_aosss)*10.0f + 1.0f)*error;
 737         else
 738                 return error;
 739 }
 740
 741 void free_dome_warp_text(struct Text *txt)
 742 {
 743         Scene *scene;
 744
 745         scene = G.main->scene.first;
 746         while(scene) {
 747                 if (scene->r.dometext == txt)
 748                         scene->r.dometext = NULL;
 749                 scene = scene->id.next;
 750         }
 751 }