source/blender/blenkernel/intern/scene.c

   1 /*
   2  * ***** BEGIN GPL LICENSE BLOCK *****
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License
   6  * as published by the Free Software Foundation; either version 2
   7  * of the License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software Foundation,
  16  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  17  *
  18  * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
  19  * All rights reserved.
  20  *
  21  * The Original Code is: all of this file.
  22  *
  23  * Contributor(s): none yet.
  24  *
  25  * ***** END GPL LICENSE BLOCK *****
  26  */
  27
  28 /** \file blender/blenkernel/intern/scene.c
  29  *  \ingroup bke
  30  */
  31
  32
  33 #include <stddef.h>
  34 #include <stdio.h>
  35 #include <string.h>
  36
  37 #ifndef WIN32
  38 #include <unistd.h>
  39 #else
  40 #include <io.h>
  41 #endif
  42
  43 #include "MEM_guardedalloc.h"
  44
  45 #include "DNA_anim_types.h"
  46 #include "DNA_group_types.h"
  47 #include "DNA_node_types.h"
  48 #include "DNA_object_types.h"
  49 #include "DNA_scene_types.h"
  50 #include "DNA_screen_types.h"
  51 #include "DNA_sequence_types.h"
  52
  53 #include "BLI_math.h"
  54 #include "BLI_blenlib.h"
  55 #include "BLI_utildefines.h"
  56 #include "BLI_callbacks.h"
  57 #include "BLI_string.h"
  58
  59 #include "BKE_anim.h"
  60 #include "BKE_animsys.h"
  61 #include "BKE_action.h"
  62 #include "BKE_colortools.h"
  63 #include "BKE_depsgraph.h"
  64 #include "BKE_fcurve.h"
  65 #include "BKE_global.h"
  66 #include "BKE_group.h"
  67 #include "BKE_idprop.h"
  68 #include "BKE_library.h"
  69 #include "BKE_main.h"
  70 #include "BKE_mask.h"
  71 #include "BKE_node.h"
  72 #include "BKE_object.h"
  73 #include "BKE_paint.h"
  74 #include "BKE_pointcache.h"
  75 #include "BKE_scene.h"
  76 #include "BKE_sequencer.h"
  77 #include "BKE_world.h"
  78
  79 #include "BKE_sound.h"
  80
  81 #include "RE_engine.h"
  82
  83 #include "IMB_colormanagement.h"
  84
  85 //XXX #include "BIF_previewrender.h"
  86 //XXX #include "BIF_editseq.h"
  87
  88 #ifdef WIN32
  89 #else
  90 #include <sys/time.h>
  91 #endif
  92
  93 void free_avicodecdata(AviCodecData *acd)
  94 {
  95         if (acd) {
  96                 if (acd->lpFormat) {
  97                         MEM_freeN(acd->lpFormat);
  98                         acd->lpFormat = NULL;
  99                         acd->cbFormat = 0;
 100                 }
 101                 if (acd->lpParms) {
 102                         MEM_freeN(acd->lpParms);
 103                         acd->lpParms = NULL;
 104                         acd->cbParms = 0;
 105                 }
 106         }
 107 }
 108
 109 void free_qtcodecdata(QuicktimeCodecData *qcd)
 110 {
 111         if (qcd) {
 112                 if (qcd->cdParms) {
 113                         MEM_freeN(qcd->cdParms);
 114                         qcd->cdParms = NULL;
 115                         qcd->cdSize = 0;
 116                 }
 117         }
 118 }
 119
 120 static void remove_sequencer_fcurves(Scene *sce)
 121 {
 122         AnimData *adt = BKE_animdata_from_id(&sce->id);
 123
 124         if (adt && adt->action) {
 125                 FCurve *fcu, *nextfcu;
 126
 127                 for (fcu = adt->action->curves.first; fcu; fcu = nextfcu) {
 128                         nextfcu = fcu->next;
 129
 130                         if ((fcu->rna_path) && strstr(fcu->rna_path, "sequences_all")) {
 131                                 action_groups_remove_channel(adt->action, fcu);
 132                                 free_fcurve(fcu);
 133                         }
 134                 }
 135         }
 136 }
 137
 138 Scene *BKE_scene_copy(Scene *sce, int type)
 139 {
 140         Scene *scen;
 141         ToolSettings *ts;
 142         Base *base, *obase;
 143
 144         if (type == SCE_COPY_EMPTY) {
 145                 ListBase lb;
 146                 /* XXX. main should become an arg */
 147                 scen = BKE_scene_add(G.main, sce->id.name + 2);
 148
 149                 lb = scen->r.layers;
 150                 scen->r = sce->r;
 151                 scen->r.layers = lb;
 152                 scen->unit = sce->unit;
 153                 scen->physics_settings = sce->physics_settings;
 154                 scen->gm = sce->gm;
 155                 scen->audio = sce->audio;
 156
 157                 MEM_freeN(scen->toolsettings);
 158         }
 159         else {
 160                 scen = BKE_libblock_copy(&sce->id);
 161                 BLI_duplicatelist(&(scen->base), &(sce->base));
 162
 163                 clear_id_newpoins();
 164
 165                 id_us_plus((ID *)scen->world);
 166                 id_us_plus((ID *)scen->set);
 167                 id_us_plus((ID *)scen->gm.dome.warptext);
 168
 169                 scen->ed = NULL;
 170                 scen->theDag = NULL;
 171                 scen->obedit = NULL;
 172                 scen->stats = NULL;
 173                 scen->fps_info = NULL;
 174
 175                 BLI_duplicatelist(&(scen->markers), &(sce->markers));
 176                 BLI_duplicatelist(&(scen->transform_spaces), &(sce->transform_spaces));
 177                 BLI_duplicatelist(&(scen->r.layers), &(sce->r.layers));
 178                 BKE_keyingsets_copy(&(scen->keyingsets), &(sce->keyingsets));
 179
 180                 if (sce->nodetree) {
 181                         /* ID's are managed on both copy and switch */
 182                         scen->nodetree = ntreeCopyTree(sce->nodetree);
 183                         ntreeSwitchID(scen->nodetree, &sce->id, &scen->id);
 184                 }
 185
 186                 obase = sce->base.first;
 187                 base = scen->base.first;
 188                 while (base) {
 189                         id_us_plus(&base->object->id);
 190                         if (obase == sce->basact) scen->basact = base;
 191
 192                         obase = obase->next;
 193                         base = base->next;
 194                 }
 195
 196                 /* copy color management settings */
 197                 BKE_color_managed_display_settings_copy(&scen->display_settings, &sce->display_settings);
 198                 BKE_color_managed_view_settings_copy(&scen->view_settings, &sce->view_settings);
 199                 BKE_color_managed_view_settings_copy(&scen->r.im_format.view_settings, &sce->r.im_format.view_settings);
 200
 201                 BLI_strncpy(scen->sequencer_colorspace_settings.name, sce->sequencer_colorspace_settings.name,
 202                             sizeof(scen->sequencer_colorspace_settings.name));
 203
 204                 /* remove animation used by sequencer */
 205                 if (type != SCE_COPY_FULL)
 206                         remove_sequencer_fcurves(scen);
 207         }
 208
 209         /* tool settings */
 210         scen->toolsettings = MEM_dupallocN(sce->toolsettings);
 211
 212         ts = scen->toolsettings;
 213         if (ts) {
 214                 if (ts->vpaint) {
 215                         ts->vpaint = MEM_dupallocN(ts->vpaint);
 216                         ts->vpaint->paintcursor = NULL;
 217                         ts->vpaint->vpaint_prev = NULL;
 218                         ts->vpaint->wpaint_prev = NULL;
 219                         BKE_paint_copy(&ts->vpaint->paint, &ts->vpaint->paint);
 220                 }
 221                 if (ts->wpaint) {
 222                         ts->wpaint = MEM_dupallocN(ts->wpaint);
 223                         ts->wpaint->paintcursor = NULL;
 224                         ts->wpaint->vpaint_prev = NULL;
 225                         ts->wpaint->wpaint_prev = NULL;
 226                         BKE_paint_copy(&ts->wpaint->paint, &ts->wpaint->paint);
 227                 }
 228                 if (ts->sculpt) {
 229                         ts->sculpt = MEM_dupallocN(ts->sculpt);
 230                         BKE_paint_copy(&ts->sculpt->paint, &ts->sculpt->paint);
 231                 }
 232
 233                 BKE_paint_copy(&ts->imapaint.paint, &ts->imapaint.paint);
 234                 ts->imapaint.paintcursor = NULL;
 235                 ts->particle.paintcursor = NULL;
 236         }
 237
 238         /* make a private copy of the avicodecdata */
 239         if (sce->r.avicodecdata) {
 240                 scen->r.avicodecdata = MEM_dupallocN(sce->r.avicodecdata);
 241                 scen->r.avicodecdata->lpFormat = MEM_dupallocN(scen->r.avicodecdata->lpFormat);
 242                 scen->r.avicodecdata->lpParms = MEM_dupallocN(scen->r.avicodecdata->lpParms);
 243         }
 244
 245         /* make a private copy of the qtcodecdata */
 246         if (sce->r.qtcodecdata) {
 247                 scen->r.qtcodecdata = MEM_dupallocN(sce->r.qtcodecdata);
 248                 scen->r.qtcodecdata->cdParms = MEM_dupallocN(scen->r.qtcodecdata->cdParms);
 249         }
 250
 251         if (sce->r.ffcodecdata.properties) { /* intentionally check scen not sce. */
 252                 scen->r.ffcodecdata.properties = IDP_CopyProperty(sce->r.ffcodecdata.properties);
 253         }
 254
 255         /* NOTE: part of SCE_COPY_LINK_DATA and SCE_COPY_FULL operations
 256          * are done outside of blenkernel with ED_objects_single_users! */
 257
 258         /*  camera */
 259         if (type == SCE_COPY_LINK_DATA || type == SCE_COPY_FULL) {
 260                 ID_NEW(scen->camera);
 261         }
 262
 263         /* before scene copy */
 264         sound_create_scene(scen);
 265
 266         /* world */
 267         if (type == SCE_COPY_FULL) {
 268                 BKE_copy_animdata_id_action((ID *)scen);
 269                 if (scen->world) {
 270                         id_us_plus((ID *)scen->world);
 271                         scen->world = BKE_world_copy(scen->world);
 272                         BKE_copy_animdata_id_action((ID *)scen->world);
 273                 }
 274
 275                 if (sce->ed) {
 276                         scen->ed = MEM_callocN(sizeof(Editing), "addseq");
 277                         scen->ed->seqbasep = &scen->ed->seqbase;
 278                         BKE_sequence_base_dupli_recursive(sce, scen, &scen->ed->seqbase, &sce->ed->seqbase, SEQ_DUPE_ALL);
 279                 }
 280         }
 281
 282         return scen;
 283 }
 284
 285 /* do not free scene itself */
 286 void BKE_scene_free(Scene *sce)
 287 {
 288         Base *base;
 289
 290         base = sce->base.first;
 291         while (base) {
 292                 base->object->id.us--;
 293                 base = base->next;
 294         }
 295         /* do not free objects! */
 296
 297         if (sce->gpd) {
 298 #if 0   /* removed since this can be invalid memory when freeing everything */
 299                 /* since the grease pencil data is freed before the scene.
 300                  * since grease pencil data is not (yet?), shared between objects
 301                  * its probably safe not to do this, some save and reload will free this. */
 302                 sce->gpd->id.us--;
 303 #endif
 304                 sce->gpd = NULL;
 305         }
 306
 307         BLI_freelistN(&sce->base);
 308         BKE_sequencer_editing_free(sce);
 309
 310         BKE_free_animdata((ID *)sce);
 311         BKE_keyingsets_free(&sce->keyingsets);
 312
 313         if (sce->r.avicodecdata) {
 314                 free_avicodecdata(sce->r.avicodecdata);
 315                 MEM_freeN(sce->r.avicodecdata);
 316                 sce->r.avicodecdata = NULL;
 317         }
 318         if (sce->r.qtcodecdata) {
 319                 free_qtcodecdata(sce->r.qtcodecdata);
 320                 MEM_freeN(sce->r.qtcodecdata);
 321                 sce->r.qtcodecdata = NULL;
 322         }
 323         if (sce->r.ffcodecdata.properties) {
 324                 IDP_FreeProperty(sce->r.ffcodecdata.properties);
 325                 MEM_freeN(sce->r.ffcodecdata.properties);
 326                 sce->r.ffcodecdata.properties = NULL;
 327         }
 328
 329         BLI_freelistN(&sce->markers);
 330         BLI_freelistN(&sce->transform_spaces);
 331         BLI_freelistN(&sce->r.layers);
 332
 333         if (sce->toolsettings) {
 334                 if (sce->toolsettings->vpaint) {
 335                         BKE_paint_free(&sce->toolsettings->vpaint->paint);
 336                         MEM_freeN(sce->toolsettings->vpaint);
 337                 }
 338                 if (sce->toolsettings->wpaint) {
 339                         BKE_paint_free(&sce->toolsettings->wpaint->paint);
 340                         MEM_freeN(sce->toolsettings->wpaint);
 341                 }
 342                 if (sce->toolsettings->sculpt) {
 343                         BKE_paint_free(&sce->toolsettings->sculpt->paint);
 344                         MEM_freeN(sce->toolsettings->sculpt);
 345                 }
 346                 if (sce->toolsettings->uvsculpt) {
 347                         BKE_paint_free(&sce->toolsettings->uvsculpt->paint);
 348                         MEM_freeN(sce->toolsettings->uvsculpt);
 349                 }
 350                 BKE_paint_free(&sce->toolsettings->imapaint.paint);
 351
 352                 MEM_freeN(sce->toolsettings);
 353                 sce->toolsettings = NULL;
 354         }
 355
 356         if (sce->theDag) {
 357                 free_forest(sce->theDag);
 358                 MEM_freeN(sce->theDag);
 359         }
 360
 361         if (sce->nodetree) {
 362                 ntreeFreeTree(sce->nodetree);
 363                 MEM_freeN(sce->nodetree);
 364         }
 365
 366         if (sce->stats)
 367                 MEM_freeN(sce->stats);
 368         if (sce->fps_info)
 369                 MEM_freeN(sce->fps_info);
 370
 371         sound_destroy_scene(sce);
 372
 373         BKE_color_managed_view_settings_free(&sce->view_settings);
 374 }
 375
 376 static Scene *scene_add(Main *bmain, const char *name)
 377 {
 378         Scene *sce;
 379         ParticleEditSettings *pset;
 380         int a;
 381         const char *colorspace_name;
 382
 383         sce = BKE_libblock_alloc(&bmain->scene, ID_SCE, name);
 384         sce->lay = sce->layact = 1;
 385
 386         sce->r.mode = R_GAMMA | R_OSA | R_SHADOW | R_SSS | R_ENVMAP | R_RAYTRACE;
 387         sce->r.cfra = 1;
 388         sce->r.sfra = 1;
 389         sce->r.efra = 250;
 390         sce->r.frame_step = 1;
 391         sce->r.xsch = 1920;
 392         sce->r.ysch = 1080;
 393         sce->r.xasp = 1;
 394         sce->r.yasp = 1;
 395         sce->r.tilex = 256;
 396         sce->r.tiley = 256;
 397         sce->r.mblur_samples = 1;
 398         sce->r.filtertype = R_FILTER_MITCH;
 399         sce->r.size = 50;
 400
 401         sce->r.im_format.planes = R_IMF_PLANES_RGB;
 402         sce->r.im_format.imtype = R_IMF_IMTYPE_PNG;
 403         sce->r.im_format.quality = 90;
 404         sce->r.im_format.compress = 90;
 405
 406         sce->r.displaymode = R_OUTPUT_AREA;
 407         sce->r.framapto = 100;
 408         sce->r.images = 100;
 409         sce->r.framelen = 1.0;
 410         sce->r.blurfac = 0.5;
 411         sce->r.frs_sec = 24;
 412         sce->r.frs_sec_base = 1;
 413         sce->r.edgeint = 10;
 414         sce->r.ocres = 128;
 415
 416         /* OCIO_TODO: for forwards compatibility only, so if no tonecurve are used,
 417          *            images would look in the same way as in current blender
 418          *
 419          *            perhaps at some point should be completely deprecated?
 420          */
 421         sce->r.color_mgt_flag |= R_COLOR_MANAGEMENT;
 422
 423         sce->r.gauss = 1.0;
 424
 425         /* deprecated but keep for upwards compat */
 426         sce->r.postgamma = 1.0;
 427         sce->r.posthue = 0.0;
 428         sce->r.postsat = 1.0;
 429
 430         sce->r.bake_mode = 1;    /* prevent to include render stuff here */
 431         sce->r.bake_filter = 2;
 432         sce->r.bake_osa = 5;
 433         sce->r.bake_flag = R_BAKE_CLEAR;
 434         sce->r.bake_normal_space = R_BAKE_SPACE_TANGENT;
 435         sce->r.bake_rays_number = 256;
 436         sce->r.scemode = R_DOCOMP | R_DOSEQ | R_EXTENSION;
 437         sce->r.stamp = R_STAMP_TIME | R_STAMP_FRAME | R_STAMP_DATE | R_STAMP_CAMERA | R_STAMP_SCENE | R_STAMP_FILENAME | R_STAMP_RENDERTIME;
 438         sce->r.stamp_font_id = 12;
 439         sce->r.fg_stamp[0] = sce->r.fg_stamp[1] = sce->r.fg_stamp[2] = 0.8f;
 440         sce->r.fg_stamp[3] = 1.0f;
 441         sce->r.bg_stamp[0] = sce->r.bg_stamp[1] = sce->r.bg_stamp[2] = 0.0f;
 442         sce->r.bg_stamp[3] = 0.25f;
 443         sce->r.raytrace_options = R_RAYTRACE_USE_INSTANCES;
 444
 445         sce->r.seq_prev_type = OB_SOLID;
 446         sce->r.seq_rend_type = OB_SOLID;
 447         sce->r.seq_flag = R_SEQ_GL_PREV;
 448
 449         sce->r.threads = 1;
 450
 451         sce->r.simplify_subsurf = 6;
 452         sce->r.simplify_particles = 1.0f;
 453         sce->r.simplify_shadowsamples = 16;
 454         sce->r.simplify_aosss = 1.0f;
 455
 456         sce->r.border.xmin = 0.0f;
 457         sce->r.border.ymin = 0.0f;
 458         sce->r.border.xmax = 1.0f;
 459         sce->r.border.ymax = 1.0f;
 460
 461         sce->toolsettings = MEM_callocN(sizeof(struct ToolSettings), "Tool Settings Struct");
 462         sce->toolsettings->cornertype = 1;
 463         sce->toolsettings->degr = 90;
 464         sce->toolsettings->step = 9;
 465         sce->toolsettings->turn = 1;
 466         sce->toolsettings->extr_offs = 1;
 467         sce->toolsettings->doublimit = 0.001;
 468         sce->toolsettings->segments = 32;
 469         sce->toolsettings->rings = 32;
 470         sce->toolsettings->vertices = 32;
 471         sce->toolsettings->uvcalc_radius = 1.0f;
 472         sce->toolsettings->uvcalc_cubesize = 1.0f;
 473         sce->toolsettings->uvcalc_mapdir = 1;
 474         sce->toolsettings->uvcalc_mapalign = 1;
 475         sce->toolsettings->uvcalc_margin = 0.001f;
 476         sce->toolsettings->unwrapper = 1;
 477         sce->toolsettings->select_thresh = 0.01f;
 478         sce->toolsettings->jointrilimit = 0.8f;
 479
 480         sce->toolsettings->selectmode = SCE_SELECT_VERTEX;
 481         sce->toolsettings->uv_selectmode = UV_SELECT_VERTEX;
 482         sce->toolsettings->normalsize = 0.1;
 483         sce->toolsettings->autokey_mode = U.autokey_mode;
 484
 485         sce->toolsettings->skgen_resolution = 100;
 486         sce->toolsettings->skgen_threshold_internal     = 0.01f;
 487         sce->toolsettings->skgen_threshold_external     = 0.01f;
 488         sce->toolsettings->skgen_angle_limit            = 45.0f;
 489         sce->toolsettings->skgen_length_ratio           = 1.3f;
 490         sce->toolsettings->skgen_length_limit           = 1.5f;
 491         sce->toolsettings->skgen_correlation_limit      = 0.98f;
 492         sce->toolsettings->skgen_symmetry_limit         = 0.1f;
 493         sce->toolsettings->skgen_postpro = SKGEN_SMOOTH;
 494         sce->toolsettings->skgen_postpro_passes = 1;
 495         sce->toolsettings->skgen_options = SKGEN_FILTER_INTERNAL | SKGEN_FILTER_EXTERNAL | SKGEN_FILTER_SMART | SKGEN_HARMONIC | SKGEN_SUB_CORRELATION | SKGEN_STICK_TO_EMBEDDING;
 496         sce->toolsettings->skgen_subdivisions[0] = SKGEN_SUB_CORRELATION;
 497         sce->toolsettings->skgen_subdivisions[1] = SKGEN_SUB_LENGTH;
 498         sce->toolsettings->skgen_subdivisions[2] = SKGEN_SUB_ANGLE;
 499
 500         sce->toolsettings->proportional_size = 1.0f;
 501
 502         sce->physics_settings.gravity[0] = 0.0f;
 503         sce->physics_settings.gravity[1] = 0.0f;
 504         sce->physics_settings.gravity[2] = -9.81f;
 505         sce->physics_settings.flag = PHYS_GLOBAL_GRAVITY;
 506
 507         sce->unit.scale_length = 1.0f;
 508
 509         pset = &sce->toolsettings->particle;
 510         pset->flag = PE_KEEP_LENGTHS | PE_LOCK_FIRST | PE_DEFLECT_EMITTER | PE_AUTO_VELOCITY;
 511         pset->emitterdist = 0.25f;
 512         pset->totrekey = 5;
 513         pset->totaddkey = 5;
 514         pset->brushtype = PE_BRUSH_NONE;
 515         pset->draw_step = 2;
 516         pset->fade_frames = 2;
 517         pset->selectmode = SCE_SELECT_PATH;
 518         for (a = 0; a < PE_TOT_BRUSH; a++) {
 519                 pset->brush[a].strength = 0.5;
 520                 pset->brush[a].size = 50;
 521                 pset->brush[a].step = 10;
 522                 pset->brush[a].count = 10;
 523         }
 524         pset->brush[PE_BRUSH_CUT].strength = 100;
 525
 526         sce->r.ffcodecdata.audio_mixrate = 44100;
 527         sce->r.ffcodecdata.audio_volume = 1.0f;
 528         sce->r.ffcodecdata.audio_bitrate = 192;
 529         sce->r.ffcodecdata.audio_channels = 2;
 530
 531         BLI_strncpy(sce->r.engine, "BLENDER_RENDER", sizeof(sce->r.engine));
 532
 533         sce->audio.distance_model = 2.0f;
 534         sce->audio.doppler_factor = 1.0f;
 535         sce->audio.speed_of_sound = 343.3f;
 536         sce->audio.volume = 1.0f;
 537
 538         BLI_strncpy(sce->r.pic, U.renderdir, sizeof(sce->r.pic));
 539
 540         BLI_rctf_init(&sce->r.safety, 0.1f, 0.9f, 0.1f, 0.9f);
 541         sce->r.osa = 8;
 542
 543         /* note; in header_info.c the scene copy happens..., if you add more to renderdata it has to be checked there */
 544         BKE_scene_add_render_layer(sce, NULL);
 545
 546         /* game data */
 547         sce->gm.stereoflag = STEREO_NOSTEREO;
 548         sce->gm.stereomode = STEREO_ANAGLYPH;
 549         sce->gm.eyeseparation = 0.10;
 550
 551         sce->gm.dome.angle = 180;
 552         sce->gm.dome.mode = DOME_FISHEYE;
 553         sce->gm.dome.res = 4;
 554         sce->gm.dome.resbuf = 1.0f;
 555         sce->gm.dome.tilt = 0;
 556
 557         sce->gm.xplay = 640;
 558         sce->gm.yplay = 480;
 559         sce->gm.freqplay = 60;
 560         sce->gm.depth = 32;
 561
 562         sce->gm.gravity = 9.8f;
 563         sce->gm.physicsEngine = WOPHY_BULLET;
 564         sce->gm.mode = 32; //XXX ugly harcoding, still not sure we should drop mode. 32 == 1 << 5 == use_occlusion_culling
 565         sce->gm.occlusionRes = 128;
 566         sce->gm.ticrate = 60;
 567         sce->gm.maxlogicstep = 5;
 568         sce->gm.physubstep = 1;
 569         sce->gm.maxphystep = 5;
 570         sce->gm.lineardeactthreshold = 0.8f;
 571         sce->gm.angulardeactthreshold = 1.0f;
 572         sce->gm.deactivationtime = 0.0f;
 573
 574         sce->gm.flag = GAME_DISPLAY_LISTS;
 575         sce->gm.matmode = GAME_MAT_MULTITEX;
 576
 577         sce->gm.obstacleSimulation = OBSTSIMULATION_NONE;
 578         sce->gm.levelHeight = 2.f;
 579
 580         sce->gm.recastData.cellsize = 0.3f;
 581         sce->gm.recastData.cellheight = 0.2f;
 582         sce->gm.recastData.agentmaxslope = M_PI / 2;
 583         sce->gm.recastData.agentmaxclimb = 0.9f;
 584         sce->gm.recastData.agentheight = 2.0f;
 585         sce->gm.recastData.agentradius = 0.6f;
 586         sce->gm.recastData.edgemaxlen = 12.0f;
 587         sce->gm.recastData.edgemaxerror = 1.3f;
 588         sce->gm.recastData.regionminsize = 8.f;
 589         sce->gm.recastData.regionmergesize = 20.f;
 590         sce->gm.recastData.vertsperpoly = 6;
 591         sce->gm.recastData.detailsampledist = 6.0f;
 592         sce->gm.recastData.detailsamplemaxerror = 1.0f;
 593
 594         sce->gm.exitkey = 218; // Blender key code for ESC
 595
 596         sound_create_scene(sce);
 597
 598         /* color management */
 599         colorspace_name = IMB_colormanagement_role_colorspace_name_get(COLOR_ROLE_DEFAULT_SEQUENCER);
 600
 601         BKE_color_managed_display_settings_init(&sce->display_settings);
 602         BKE_color_managed_view_settings_init(&sce->view_settings);
 603         BLI_strncpy(sce->sequencer_colorspace_settings.name, colorspace_name,
 604                     sizeof(sce->sequencer_colorspace_settings.name));
 605
 606         return sce;
 607 }
 608
 609 Scene *BKE_scene_add(Main *bmain, const char *name)
 610 {
 611         return scene_add(bmain, name);
 612 }
 613
 614 Base *BKE_scene_base_find(Scene *scene, Object *ob)
 615 {
 616         return BLI_findptr(&scene->base, ob, offsetof(Base, object));
 617 }
 618
 619 void BKE_scene_set_background(Main *bmain, Scene *scene)
 620 {
 621         Scene *sce;
 622         Base *base;
 623         Object *ob;
 624         Group *group;
 625         GroupObject *go;
 626         int flag;
 627
 628         /* check for cyclic sets, for reading old files but also for definite security (py?) */
 629         BKE_scene_validate_setscene(bmain, scene);
 630
 631         /* can happen when switching modes in other scenes */
 632         if (scene->obedit && !(scene->obedit->mode & OB_MODE_EDIT))
 633                 scene->obedit = NULL;
 634
 635         /* deselect objects (for dataselect) */
 636         for (ob = bmain->object.first; ob; ob = ob->id.next)
 637                 ob->flag &= ~(SELECT | OB_FROMGROUP);
 638
 639         /* group flags again */
 640         for (group = bmain->group.first; group; group = group->id.next) {
 641                 for (go = group->gobject.first; go; go = go->next) {
 642                         if (go->ob) {
 643                                 go->ob->flag |= OB_FROMGROUP;
 644                         }
 645                 }
 646         }
 647
 648         /* sort baselist */
 649         DAG_scene_sort(bmain, scene);
 650
 651         /* ensure dags are built for sets */
 652         for (sce = scene->set; sce; sce = sce->set)
 653                 if (sce->theDag == NULL)
 654                         DAG_scene_sort(bmain, sce);
 655
 656         /* copy layers and flags from bases to objects */
 657         for (base = scene->base.first; base; base = base->next) {
 658                 ob = base->object;
 659                 ob->lay = base->lay;
 660
 661                 /* group patch... */
 662                 base->flag &= ~(OB_FROMGROUP);
 663                 flag = ob->flag & (OB_FROMGROUP);
 664                 base->flag |= flag;
 665
 666                 /* not too nice... for recovering objects with lost data */
 667                 //if (ob->pose == NULL) base->flag &= ~OB_POSEMODE;
 668                 ob->flag = base->flag;
 669         }
 670         /* no full animation update, this to enable render code to work (render code calls own animation updates) */
 671 }
 672
 673 /* called from creator.c */
 674 Scene *BKE_scene_set_name(Main *bmain, const char *name)
 675 {
 676         Scene *sce = (Scene *)BKE_libblock_find_name(ID_SCE, name);
 677         if (sce) {
 678                 BKE_scene_set_background(bmain, sce);
 679                 printf("Scene switch: '%s' in file: '%s'\n", name, G.main->name);
 680                 return sce;
 681         }
 682
 683         printf("Can't find scene: '%s' in file: '%s'\n", name, G.main->name);
 684         return NULL;
 685 }
 686
 687 void BKE_scene_unlink(Main *bmain, Scene *sce, Scene *newsce)
 688 {
 689         Scene *sce1;
 690         bScreen *sc;
 691
 692         /* check all sets */
 693         for (sce1 = bmain->scene.first; sce1; sce1 = sce1->id.next)
 694                 if (sce1->set == sce)
 695                         sce1->set = NULL;
 696
 697         /* check all sequences */
 698         BKE_sequencer_clear_scene_in_allseqs(bmain, sce);
 699
 700         /* check render layer nodes in other scenes */
 701         clear_scene_in_nodes(bmain, sce);
 702
 703         /* al screens */
 704         for (sc = bmain->screen.first; sc; sc = sc->id.next)
 705                 if (sc->scene == sce)
 706                         sc->scene = newsce;
 707
 708         BKE_libblock_free(&bmain->scene, sce);
 709 }
 710
 711 /* used by metaballs
 712  * doesnt return the original duplicated object, only dupli's
 713  */
 714 int BKE_scene_base_iter_next(Scene **scene, int val, Base **base, Object **ob)
 715 {
 716         static ListBase *duplilist = NULL;
 717         static DupliObject *dupob;
 718         static int fase = F_START, in_next_object = 0;
 719         int run_again = 1;
 720
 721         /* init */
 722         if (val == 0) {
 723                 fase = F_START;
 724                 dupob = NULL;
 725
 726                 /* XXX particle systems with metas+dupligroups call this recursively */
 727                 /* see bug #18725 */
 728                 if (in_next_object) {
 729                         printf("ERROR: Metaball generation called recursively, not supported\n");
 730
 731                         return F_ERROR;
 732                 }
 733         }
 734         else {
 735                 in_next_object = 1;
 736
 737                 /* run_again is set when a duplilist has been ended */
 738                 while (run_again) {
 739                         run_again = 0;
 740
 741                         /* the first base */
 742                         if (fase == F_START) {
 743                                 *base = (*scene)->base.first;
 744                                 if (*base) {
 745                                         *ob = (*base)->object;
 746                                         fase = F_SCENE;
 747                                 }
 748                                 else {
 749                                         /* exception: empty scene */
 750                                         while ((*scene)->set) {
 751                                                 (*scene) = (*scene)->set;
 752                                                 if ((*scene)->base.first) {
 753                                                         *base = (*scene)->base.first;
 754                                                         *ob = (*base)->object;
 755                                                         fase = F_SCENE;
 756                                                         break;
 757                                                 }
 758                                         }
 759                                 }
 760                         }
 761                         else {
 762                                 if (*base && fase != F_DUPLI) {
 763                                         *base = (*base)->next;
 764                                         if (*base) *ob = (*base)->object;
 765                                         else {
 766                                                 if (fase == F_SCENE) {
 767                                                         /* (*scene) is finished, now do the set */
 768                                                         while ((*scene)->set) {
 769                                                                 (*scene) = (*scene)->set;
 770                                                                 if ((*scene)->base.first) {
 771                                                                         *base = (*scene)->base.first;
 772                                                                         *ob = (*base)->object;
 773                                                                         break;
 774                                                                 }
 775                                                         }
 776                                                 }
 777                                         }
 778                                 }
 779                         }
 780
 781                         if (*base == NULL) fase = F_START;
 782                         else {
 783                                 if (fase != F_DUPLI) {
 784                                         if ( (*base)->object->transflag & OB_DUPLI) {
 785                                                 /* groups cannot be duplicated for mballs yet,
 786                                                  * this enters eternal loop because of
 787                                                  * makeDispListMBall getting called inside of group_duplilist */
 788                                                 if ((*base)->object->dup_group == NULL) {
 789                                                         duplilist = object_duplilist((*scene), (*base)->object, FALSE);
 790
 791                                                         dupob = duplilist->first;
 792
 793                                                         if (!dupob)
 794                                                                 free_object_duplilist(duplilist);
 795                                                 }
 796                                         }
 797                                 }
 798                                 /* handle dupli's */
 799                                 if (dupob) {
 800
 801                                         copy_m4_m4(dupob->ob->obmat, dupob->mat);
 802
 803                                         (*base)->flag |= OB_FROMDUPLI;
 804                                         *ob = dupob->ob;
 805                                         fase = F_DUPLI;
 806
 807                                         dupob = dupob->next;
 808                                 }
 809                                 else if (fase == F_DUPLI) {
 810                                         fase = F_SCENE;
 811                                         (*base)->flag &= ~OB_FROMDUPLI;
 812
 813                                         for (dupob = duplilist->first; dupob; dupob = dupob->next) {
 814                                                 copy_m4_m4(dupob->ob->obmat, dupob->omat);
 815                                         }
 816
 817                                         free_object_duplilist(duplilist);
 818                                         duplilist = NULL;
 819                                         run_again = 1;
 820                                 }
 821                         }
 822                 }
 823         }
 824
 825 #if 0
 826         if (ob && *ob) {
 827                 printf("Scene: '%s', '%s'\n", (*scene)->id.name + 2, (*ob)->id.name + 2);
 828         }
 829 #endif
 830
 831         /* reset recursion test */
 832         in_next_object = 0;
 833
 834         return fase;
 835 }
 836
 837 Object *BKE_scene_camera_find(Scene *sc)
 838 {
 839         Base *base;
 840
 841         for (base = sc->base.first; base; base = base->next)
 842                 if (base->object->type == OB_CAMERA)
 843                         return base->object;
 844
 845         return NULL;
 846 }
 847
 848 #ifdef DURIAN_CAMERA_SWITCH
 849 Object *BKE_scene_camera_switch_find(Scene *scene)
 850 {
 851         TimeMarker *m;
 852         int cfra = scene->r.cfra;
 853         int frame = -(MAXFRAME + 1);
 854         Object *camera = NULL;
 855
 856         for (m = scene->markers.first; m; m = m->next) {
 857                 if (m->camera && (m->camera->restrictflag & OB_RESTRICT_RENDER) == 0 && (m->frame <= cfra) && (m->frame > frame)) {
 858                         camera = m->camera;
 859                         frame = m->frame;
 860
 861                         if (frame == cfra)
 862                                 break;
 863
 864                 }
 865         }
 866         return camera;
 867 }
 868 #endif
 869
 870 int BKE_scene_camera_switch_update(Scene *scene)
 871 {
 872 #ifdef DURIAN_CAMERA_SWITCH
 873         Object *camera = BKE_scene_camera_switch_find(scene);
 874         if (camera) {
 875                 scene->camera = camera;
 876                 return 1;
 877         }
 878 #else
 879         (void)scene;
 880 #endif
 881         return 0;
 882 }
 883
 884 char *BKE_scene_find_marker_name(Scene *scene, int frame)
 885 {
 886         ListBase *markers = &scene->markers;
 887         TimeMarker *m1, *m2;
 888
 889         /* search through markers for match */
 890         for (m1 = markers->first, m2 = markers->last; m1 && m2; m1 = m1->next, m2 = m2->prev) {
 891                 if (m1->frame == frame)
 892                         return m1->name;
 893
 894                 if (m1 == m2)
 895                         break;
 896
 897                 if (m2->frame == frame)
 898                         return m2->name;
 899         }
 900
 901         return NULL;
 902 }
 903
 904 /* return the current marker for this frame,
 905  * we can have more then 1 marker per frame, this just returns the first :/ */
 906 char *BKE_scene_find_last_marker_name(Scene *scene, int frame)
 907 {
 908         TimeMarker *marker, *best_marker = NULL;
 909         int best_frame = -MAXFRAME * 2;
 910         for (marker = scene->markers.first; marker; marker = marker->next) {
 911                 if (marker->frame == frame) {
 912                         return marker->name;
 913                 }
 914
 915                 if (marker->frame > best_frame && marker->frame < frame) {
 916                         best_marker = marker;
 917                         best_frame = marker->frame;
 918                 }
 919         }
 920
 921         return best_marker ? best_marker->name : NULL;
 922 }
 923
 924
 925 Base *BKE_scene_base_add(Scene *sce, Object *ob)
 926 {
 927         Base *b = MEM_callocN(sizeof(*b), "BKE_scene_base_add");
 928         BLI_addhead(&sce->base, b);
 929
 930         b->object = ob;
 931         b->flag = ob->flag;
 932         b->lay = ob->lay;
 933
 934         return b;
 935 }
 936
 937 void BKE_scene_base_deselect_all(Scene *sce)
 938 {
 939         Base *b;
 940
 941         for (b = sce->base.first; b; b = b->next) {
 942                 b->flag &= ~SELECT;
 943                 b->object->flag = b->flag;
 944         }
 945 }
 946
 947 void BKE_scene_base_select(Scene *sce, Base *selbase)
 948 {
 949         selbase->flag |= SELECT;
 950         selbase->object->flag = selbase->flag;
 951
 952         sce->basact = selbase;
 953 }
 954
 955 /* checks for cycle, returns 1 if it's all OK */
 956 int BKE_scene_validate_setscene(Main *bmain, Scene *sce)
 957 {
 958         Scene *scene;
 959         int a, totscene;
 960
 961         if (sce->set == NULL) return 1;
 962
 963         totscene = 0;
 964         for (scene = bmain->scene.first; scene; scene = scene->id.next)
 965                 totscene++;
 966
 967         for (a = 0, scene = sce; scene->set; scene = scene->set, a++) {
 968                 /* more iterations than scenes means we have a cycle */
 969                 if (a > totscene) {
 970                         /* the tested scene gets zero'ed, that's typically current scene */
 971                         sce->set = NULL;
 972                         return 0;
 973                 }
 974         }
 975
 976         return 1;
 977 }
 978
 979 /* This function is needed to cope with fractional frames - including two Blender rendering features
 980  * mblur (motion blur that renders 'subframes' and blurs them together), and fields rendering.
 981  */
 982 float BKE_scene_frame_get(Scene *scene)
 983 {
 984         return BKE_scene_frame_get_from_ctime(scene, scene->r.cfra);
 985 }
 986
 987 /* This function is used to obtain arbitrary fractional frames */
 988 float BKE_scene_frame_get_from_ctime(Scene *scene, const float frame)
 989 {
 990         float ctime = frame;
 991         ctime += scene->r.subframe;
 992         ctime *= scene->r.framelen;
 993
 994         return ctime;
 995 }
 996
 997 /* drivers support/hacks
 998  *  - this method is called from scene_update_tagged_recursive(), so gets included in viewport + render
 999  *      - these are always run since the depsgraph can't handle non-object data
1000  *      - these happen after objects are all done so that we can read in their final transform values,
1001  *        though this means that objects can't refer to scene info for guidance...
1002  */
1003 static void scene_update_drivers(Main *UNUSED(bmain), Scene *scene)
1004 {
1005         float ctime = BKE_scene_frame_get(scene);
1006
1007         /* scene itself */
1008         if (scene->adt && scene->adt->drivers.first) {
1009                 BKE_animsys_evaluate_animdata(scene, &scene->id, scene->adt, ctime, ADT_RECALC_DRIVERS);
1010         }
1011
1012         /* world */
1013         /* TODO: what about world textures? but then those have nodes too... */
1014         if (scene->world) {
1015                 ID *wid = (ID *)scene->world;
1016                 AnimData *adt = BKE_animdata_from_id(wid);
1017
1018                 if (adt && adt->drivers.first)
1019                         BKE_animsys_evaluate_animdata(scene, wid, adt, ctime, ADT_RECALC_DRIVERS);
1020         }
1021
1022         /* nodes */
1023         if (scene->nodetree) {
1024                 ID *nid = (ID *)scene->nodetree;
1025                 AnimData *adt = BKE_animdata_from_id(nid);
1026
1027                 if (adt && adt->drivers.first)
1028                         BKE_animsys_evaluate_animdata(scene, nid, adt, ctime, ADT_RECALC_DRIVERS);
1029         }
1030 }
1031
1032 static void scene_update_tagged_recursive(Main *bmain, Scene *scene, Scene *scene_parent)
1033 {
1034         Base *base;
1035
1036
1037         scene->customdata_mask = scene_parent->customdata_mask;
1038
1039         /* sets first, we allow per definition current scene to have
1040          * dependencies on sets, but not the other way around. */
1041         if (scene->set)
1042                 scene_update_tagged_recursive(bmain, scene->set, scene_parent);
1043
1044         /* scene objects */
1045         for (base = scene->base.first; base; base = base->next) {
1046                 Object *ob = base->object;
1047
1048                 BKE_object_handle_update(scene_parent, ob);
1049
1050                 if (ob->dup_group && (ob->transflag & OB_DUPLIGROUP))
1051                         group_handle_recalc_and_update(scene_parent, ob, ob->dup_group);
1052
1053                 /* always update layer, so that animating layers works (joshua july 2010) */
1054                 /* XXX commented out, this has depsgraph issues anyway - and this breaks setting scenes
1055                  * (on scene-set, the base-lay is copied to ob-lay (ton nov 2012) */
1056                 // base->lay = ob->lay;
1057         }
1058
1059         /* scene drivers... */
1060         scene_update_drivers(bmain, scene);
1061
1062         /* update sound system animation */
1063         sound_update_scene(scene);
1064
1065         /* update masking curves */
1066         BKE_mask_update_scene(bmain, scene, FALSE);
1067 }
1068
1069 /* this is called in main loop, doing tagged updates before redraw */
1070 void BKE_scene_update_tagged(Main *bmain, Scene *scene)
1071 {
1072         /* keep this first */
1073         BLI_callback_exec(bmain, &scene->id, BLI_CB_EVT_SCENE_UPDATE_PRE);
1074
1075         /* flush recalc flags to dependencies */
1076         DAG_ids_flush_tagged(bmain);
1077
1078         /* removed calls to quick_cache, see pointcache.c */
1079
1080         /* clear "LIB_DOIT" flag from all materials, to prevent infinite recursion problems later
1081          * when trying to find materials with drivers that need evaluating [#32017]
1082          */
1083         tag_main_idcode(bmain, ID_MA, FALSE);
1084         tag_main_idcode(bmain, ID_LA, FALSE);
1085
1086         /* update all objects: drivers, matrices, displists, etc. flags set
1087          * by depgraph or manual, no layer check here, gets correct flushed
1088          *
1089          * in the future this should handle updates for all datablocks, not
1090          * only objects and scenes. - brecht */
1091         scene_update_tagged_recursive(bmain, scene, scene);
1092
1093         /* extra call here to recalc scene animation (for sequencer) */
1094         {
1095                 AnimData *adt = BKE_animdata_from_id(&scene->id);
1096                 float ctime = BKE_scene_frame_get(scene);
1097
1098                 if (adt && (adt->recalc & ADT_RECALC_ANIM))
1099                         BKE_animsys_evaluate_animdata(scene, &scene->id, adt, ctime, 0);
1100         }
1101
1102         /* notify editors and python about recalc */
1103         BLI_callback_exec(bmain, &scene->id, BLI_CB_EVT_SCENE_UPDATE_POST);
1104         DAG_ids_check_recalc(bmain, scene, FALSE);
1105
1106         /* clear recalc flags */
1107         DAG_ids_clear_recalc(bmain);
1108 }
1109
1110 /* applies changes right away, does all sets too */
1111 void BKE_scene_update_for_newframe(Main *bmain, Scene *sce, unsigned int lay)
1112 {
1113         float ctime = BKE_scene_frame_get(sce);
1114         Scene *sce_iter;
1115
1116         /* keep this first */
1117         BLI_callback_exec(bmain, &sce->id, BLI_CB_EVT_FRAME_CHANGE_PRE);
1118         BLI_callback_exec(bmain, &sce->id, BLI_CB_EVT_SCENE_UPDATE_PRE);
1119
1120         sound_set_cfra(sce->r.cfra);
1121
1122         /* clear animation overrides */
1123         /* XXX TODO... */
1124
1125         for (sce_iter = sce; sce_iter; sce_iter = sce_iter->set) {
1126                 if (sce_iter->theDag == NULL)
1127                         DAG_scene_sort(bmain, sce_iter);
1128         }
1129
1130         /* flush recalc flags to dependencies, if we were only changing a frame
1131          * this would not be necessary, but if a user or a script has modified
1132          * some datablock before BKE_scene_update_tagged was called, we need the flush */
1133         DAG_ids_flush_tagged(bmain);
1134
1135         /* Following 2 functions are recursive
1136          * so don't call within 'scene_update_tagged_recursive' */
1137         DAG_scene_update_flags(bmain, sce, lay, TRUE);   // only stuff that moves or needs display still
1138
1139         BKE_mask_evaluate_all_masks(bmain, ctime, TRUE);
1140
1141         /* All 'standard' (i.e. without any dependencies) animation is handled here,
1142          * with an 'local' to 'macro' order of evaluation. This should ensure that
1143          * settings stored nestled within a hierarchy (i.e. settings in a Texture block
1144          * can be overridden by settings from Scene, which owns the Texture through a hierarchy
1145          * such as Scene->World->MTex/Texture) can still get correctly overridden.
1146          */
1147         BKE_animsys_evaluate_all_animation(bmain, sce, ctime);
1148         /*...done with recusrive funcs */
1149
1150         /* clear "LIB_DOIT" flag from all materials, to prevent infinite recursion problems later
1151          * when trying to find materials with drivers that need evaluating [#32017]
1152          */
1153         tag_main_idcode(bmain, ID_MA, FALSE);
1154         tag_main_idcode(bmain, ID_LA, FALSE);
1155
1156         /* BKE_object_handle_update() on all objects, groups and sets */
1157         scene_update_tagged_recursive(bmain, sce, sce);
1158
1159         /* notify editors and python about recalc */
1160         BLI_callback_exec(bmain, &sce->id, BLI_CB_EVT_SCENE_UPDATE_POST);
1161         BLI_callback_exec(bmain, &sce->id, BLI_CB_EVT_FRAME_CHANGE_POST);
1162
1163         DAG_ids_check_recalc(bmain, sce, TRUE);
1164
1165         /* clear recalc flags */
1166         DAG_ids_clear_recalc(bmain);
1167 }
1168
1169 /* return default layer, also used to patch old files */
1170 SceneRenderLayer *BKE_scene_add_render_layer(Scene *sce, const char *name)
1171 {
1172         SceneRenderLayer *srl;
1173
1174         if (!name)
1175                 name = "RenderLayer";
1176
1177         srl = MEM_callocN(sizeof(SceneRenderLayer), "new render layer");
1178         BLI_strncpy(srl->name, name, sizeof(srl->name));
1179         BLI_uniquename(&sce->r.layers, srl, "RenderLayer", '.', offsetof(SceneRenderLayer, name), sizeof(srl->name));
1180         BLI_addtail(&sce->r.layers, srl);
1181
1182         /* note, this is also in render, pipeline.c, to make layer when scenedata doesnt have it */
1183         srl->lay = (1 << 20) - 1;
1184         srl->layflag = 0x7FFF;   /* solid ztra halo edge strand */
1185         srl->passflag = SCE_PASS_COMBINED | SCE_PASS_Z;
1186
1187         return srl;
1188 }
1189
1190 int BKE_scene_remove_render_layer(Main *bmain, Scene *scene, SceneRenderLayer *srl)
1191 {
1192         const int act = BLI_findindex(&scene->r.layers, srl);
1193         Scene *sce;
1194
1195         if (act == -1) {
1196                 return 0;
1197         }
1198         else if ( (scene->r.layers.first == scene->r.layers.last) &&
1199                   (scene->r.layers.first == srl))
1200         {
1201                 /* ensure 1 layer is kept */
1202                 return 0;
1203         }
1204
1205         BLI_remlink(&scene->r.layers, srl);
1206         MEM_freeN(srl);
1207
1208         scene->r.actlay = 0;
1209
1210         for (sce = bmain->scene.first; sce; sce = sce->id.next) {
1211                 if (sce->nodetree) {
1212                         bNode *node;
1213                         for (node = sce->nodetree->nodes.first; node; node = node->next) {
1214                                 if (node->type == CMP_NODE_R_LAYERS && (Scene *)node->id == scene) {
1215                                         if (node->custom1 == act)
1216                                                 node->custom1 = 0;
1217                                         else if (node->custom1 > act)
1218                                                 node->custom1--;
1219                                 }
1220                         }
1221                 }
1222         }
1223
1224         return 1;
1225 }
1226
1227 /* render simplification */
1228
1229 int get_render_subsurf_level(RenderData *r, int lvl)
1230 {
1231         if (r->mode & R_SIMPLIFY)
1232                 return min_ii(r->simplify_subsurf, lvl);
1233         else
1234                 return lvl;
1235 }
1236
1237 int get_render_child_particle_number(RenderData *r, int num)
1238 {
1239         if (r->mode & R_SIMPLIFY)
1240                 return (int)(r->simplify_particles * num);
1241         else
1242                 return num;
1243 }
1244
1245 int get_render_shadow_samples(RenderData *r, int samples)
1246 {
1247         if ((r->mode & R_SIMPLIFY) && samples > 0)
1248                 return min_ii(r->simplify_shadowsamples, samples);
1249         else
1250                 return samples;
1251 }
1252
1253 float get_render_aosss_error(RenderData *r, float error)
1254 {
1255         if (r->mode & R_SIMPLIFY)
1256                 return ((1.0f - r->simplify_aosss) * 10.0f + 1.0f) * error;
1257         else
1258                 return error;
1259 }
1260
1261 /* helper function for the SETLOOPER macro */
1262 Base *_setlooper_base_step(Scene **sce_iter, Base *base)
1263 {
1264         if (base && base->next) {
1265                 /* common case, step to the next */
1266                 return base->next;
1267         }
1268         else if (base == NULL && (*sce_iter)->base.first) {
1269                 /* first time looping, return the scenes first base */
1270                 return (Base *)(*sce_iter)->base.first;
1271         }
1272         else {
1273                 /* reached the end, get the next base in the set */
1274                 while ((*sce_iter = (*sce_iter)->set)) {
1275                         base = (Base *)(*sce_iter)->base.first;
1276                         if (base) {
1277                                 return base;
1278                         }
1279                 }
1280         }
1281
1282         return NULL;
1283 }
1284
1285 int BKE_scene_use_new_shading_nodes(Scene *scene)
1286 {
1287         RenderEngineType *type = RE_engines_find(scene->r.engine);
1288         return (type && type->flag & RE_USE_SHADING_NODES);
1289 }
1290
1291 void BKE_scene_base_flag_to_objects(struct Scene *scene)
1292 {
1293         Base *base = scene->base.first;
1294
1295         while (base) {
1296                 base->object->flag = base->flag;
1297                 base = base->next;
1298         }
1299 }
1300
1301 void BKE_scene_base_flag_from_objects(struct Scene *scene)
1302 {
1303         Base *base = scene->base.first;
1304
1305         while (base) {
1306                 base->flag = base->object->flag;
1307                 base = base->next;
1308         }
1309 }
1310
1311 void BKE_scene_disable_color_management(Scene *scene)
1312 {
1313         ColorManagedDisplaySettings *display_settings = &scene->display_settings;
1314         ColorManagedViewSettings *view_settings = &scene->view_settings;
1315         const char *view;
1316         const char *none_display_name;
1317
1318         none_display_name = IMB_colormanagement_display_get_none_name();
1319
1320         BLI_strncpy(display_settings->display_device, none_display_name, sizeof(display_settings->display_device));
1321
1322         view = IMB_colormanagement_view_get_default_name(display_settings->display_device);
1323
1324         if (view) {
1325                 BLI_strncpy(view_settings->view_transform, view, sizeof(view_settings->view_transform));
1326         }
1327 }
1328
1329 int BKE_scene_check_color_management_enabled(const Scene *scene)
1330 {
1331         return strcmp(scene->display_settings.display_device, "None") != 0;
1332 }