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.scemode = R_DOCOMP | R_DOSEQ | R_EXTENSION;
 436         sce->r.stamp = R_STAMP_TIME | R_STAMP_FRAME | R_STAMP_DATE | R_STAMP_CAMERA | R_STAMP_SCENE | R_STAMP_FILENAME | R_STAMP_RENDERTIME;
 437         sce->r.stamp_font_id = 12;
 438         sce->r.fg_stamp[0] = sce->r.fg_stamp[1] = sce->r.fg_stamp[2] = 0.8f;
 439         sce->r.fg_stamp[3] = 1.0f;
 440         sce->r.bg_stamp[0] = sce->r.bg_stamp[1] = sce->r.bg_stamp[2] = 0.0f;
 441         sce->r.bg_stamp[3] = 0.25f;
 442         sce->r.raytrace_options = R_RAYTRACE_USE_INSTANCES;
 443
 444         sce->r.seq_prev_type = OB_SOLID;
 445         sce->r.seq_rend_type = OB_SOLID;
 446         sce->r.seq_flag = R_SEQ_GL_PREV;
 447
 448         sce->r.threads = 1;
 449
 450         sce->r.simplify_subsurf = 6;
 451         sce->r.simplify_particles = 1.0f;
 452         sce->r.simplify_shadowsamples = 16;
 453         sce->r.simplify_aosss = 1.0f;
 454
 455         sce->r.border.xmin = 0.0f;
 456         sce->r.border.ymin = 0.0f;
 457         sce->r.border.xmax = 1.0f;
 458         sce->r.border.ymax = 1.0f;
 459
 460         sce->toolsettings = MEM_callocN(sizeof(struct ToolSettings), "Tool Settings Struct");
 461         sce->toolsettings->cornertype = 1;
 462         sce->toolsettings->degr = 90;
 463         sce->toolsettings->step = 9;
 464         sce->toolsettings->turn = 1;
 465         sce->toolsettings->extr_offs = 1;
 466         sce->toolsettings->doublimit = 0.001;
 467         sce->toolsettings->segments = 32;
 468         sce->toolsettings->rings = 32;
 469         sce->toolsettings->vertices = 32;
 470         sce->toolsettings->uvcalc_radius = 1.0f;
 471         sce->toolsettings->uvcalc_cubesize = 1.0f;
 472         sce->toolsettings->uvcalc_mapdir = 1;
 473         sce->toolsettings->uvcalc_mapalign = 1;
 474         sce->toolsettings->uvcalc_margin = 0.001f;
 475         sce->toolsettings->unwrapper = 1;
 476         sce->toolsettings->select_thresh = 0.01f;
 477         sce->toolsettings->jointrilimit = 0.8f;
 478
 479         sce->toolsettings->selectmode = SCE_SELECT_VERTEX;
 480         sce->toolsettings->uv_selectmode = UV_SELECT_VERTEX;
 481         sce->toolsettings->normalsize = 0.1;
 482         sce->toolsettings->autokey_mode = U.autokey_mode;
 483
 484         sce->toolsettings->skgen_resolution = 100;
 485         sce->toolsettings->skgen_threshold_internal     = 0.01f;
 486         sce->toolsettings->skgen_threshold_external     = 0.01f;
 487         sce->toolsettings->skgen_angle_limit            = 45.0f;
 488         sce->toolsettings->skgen_length_ratio           = 1.3f;
 489         sce->toolsettings->skgen_length_limit           = 1.5f;
 490         sce->toolsettings->skgen_correlation_limit      = 0.98f;
 491         sce->toolsettings->skgen_symmetry_limit         = 0.1f;
 492         sce->toolsettings->skgen_postpro = SKGEN_SMOOTH;
 493         sce->toolsettings->skgen_postpro_passes = 1;
 494         sce->toolsettings->skgen_options = SKGEN_FILTER_INTERNAL | SKGEN_FILTER_EXTERNAL | SKGEN_FILTER_SMART | SKGEN_HARMONIC | SKGEN_SUB_CORRELATION | SKGEN_STICK_TO_EMBEDDING;
 495         sce->toolsettings->skgen_subdivisions[0] = SKGEN_SUB_CORRELATION;
 496         sce->toolsettings->skgen_subdivisions[1] = SKGEN_SUB_LENGTH;
 497         sce->toolsettings->skgen_subdivisions[2] = SKGEN_SUB_ANGLE;
 498
 499         sce->toolsettings->proportional_size = 1.0f;
 500
 501         sce->physics_settings.gravity[0] = 0.0f;
 502         sce->physics_settings.gravity[1] = 0.0f;
 503         sce->physics_settings.gravity[2] = -9.81f;
 504         sce->physics_settings.flag = PHYS_GLOBAL_GRAVITY;
 505
 506         sce->unit.scale_length = 1.0f;
 507
 508         pset = &sce->toolsettings->particle;
 509         pset->flag = PE_KEEP_LENGTHS | PE_LOCK_FIRST | PE_DEFLECT_EMITTER | PE_AUTO_VELOCITY;
 510         pset->emitterdist = 0.25f;
 511         pset->totrekey = 5;
 512         pset->totaddkey = 5;
 513         pset->brushtype = PE_BRUSH_NONE;
 514         pset->draw_step = 2;
 515         pset->fade_frames = 2;
 516         pset->selectmode = SCE_SELECT_PATH;
 517         for (a = 0; a < PE_TOT_BRUSH; a++) {
 518                 pset->brush[a].strength = 0.5;
 519                 pset->brush[a].size = 50;
 520                 pset->brush[a].step = 10;
 521                 pset->brush[a].count = 10;
 522         }
 523         pset->brush[PE_BRUSH_CUT].strength = 100;
 524
 525         sce->r.ffcodecdata.audio_mixrate = 44100;
 526         sce->r.ffcodecdata.audio_volume = 1.0f;
 527         sce->r.ffcodecdata.audio_bitrate = 192;
 528         sce->r.ffcodecdata.audio_channels = 2;
 529
 530         BLI_strncpy(sce->r.engine, "BLENDER_RENDER", sizeof(sce->r.engine));
 531
 532         sce->audio.distance_model = 2.0f;
 533         sce->audio.doppler_factor = 1.0f;
 534         sce->audio.speed_of_sound = 343.3f;
 535         sce->audio.volume = 1.0f;
 536
 537         BLI_strncpy(sce->r.pic, U.renderdir, sizeof(sce->r.pic));
 538
 539         BLI_rctf_init(&sce->r.safety, 0.1f, 0.9f, 0.1f, 0.9f);
 540         sce->r.osa = 8;
 541
 542         /* note; in header_info.c the scene copy happens..., if you add more to renderdata it has to be checked there */
 543         BKE_scene_add_render_layer(sce, NULL);
 544
 545         /* game data */
 546         sce->gm.stereoflag = STEREO_NOSTEREO;
 547         sce->gm.stereomode = STEREO_ANAGLYPH;
 548         sce->gm.eyeseparation = 0.10;
 549
 550         sce->gm.dome.angle = 180;
 551         sce->gm.dome.mode = DOME_FISHEYE;
 552         sce->gm.dome.res = 4;
 553         sce->gm.dome.resbuf = 1.0f;
 554         sce->gm.dome.tilt = 0;
 555
 556         sce->gm.xplay = 640;
 557         sce->gm.yplay = 480;
 558         sce->gm.freqplay = 60;
 559         sce->gm.depth = 32;
 560
 561         sce->gm.gravity = 9.8f;
 562         sce->gm.physicsEngine = WOPHY_BULLET;
 563         sce->gm.mode = 32; //XXX ugly harcoding, still not sure we should drop mode. 32 == 1 << 5 == use_occlusion_culling
 564         sce->gm.occlusionRes = 128;
 565         sce->gm.ticrate = 60;
 566         sce->gm.maxlogicstep = 5;
 567         sce->gm.physubstep = 1;
 568         sce->gm.maxphystep = 5;
 569         sce->gm.lineardeactthreshold = 0.8f;
 570         sce->gm.angulardeactthreshold = 1.0f;
 571         sce->gm.deactivationtime = 0.0f;
 572
 573         sce->gm.flag = GAME_DISPLAY_LISTS;
 574         sce->gm.matmode = GAME_MAT_MULTITEX;
 575
 576         sce->gm.obstacleSimulation = OBSTSIMULATION_NONE;
 577         sce->gm.levelHeight = 2.f;
 578
 579         sce->gm.recastData.cellsize = 0.3f;
 580         sce->gm.recastData.cellheight = 0.2f;
 581         sce->gm.recastData.agentmaxslope = M_PI / 2;
 582         sce->gm.recastData.agentmaxclimb = 0.9f;
 583         sce->gm.recastData.agentheight = 2.0f;
 584         sce->gm.recastData.agentradius = 0.6f;
 585         sce->gm.recastData.edgemaxlen = 12.0f;
 586         sce->gm.recastData.edgemaxerror = 1.3f;
 587         sce->gm.recastData.regionminsize = 8.f;
 588         sce->gm.recastData.regionmergesize = 20.f;
 589         sce->gm.recastData.vertsperpoly = 6;
 590         sce->gm.recastData.detailsampledist = 6.0f;
 591         sce->gm.recastData.detailsamplemaxerror = 1.0f;
 592
 593         sce->gm.exitkey = 218; // Blender key code for ESC
 594
 595         sound_create_scene(sce);
 596
 597         /* color management */
 598         colorspace_name = IMB_colormanagement_role_colorspace_name_get(COLOR_ROLE_DEFAULT_SEQUENCER);
 599
 600         BKE_color_managed_display_settings_init(&sce->display_settings);
 601         BKE_color_managed_view_settings_init(&sce->view_settings);
 602         BLI_strncpy(sce->sequencer_colorspace_settings.name, colorspace_name,
 603                     sizeof(sce->sequencer_colorspace_settings.name));
 604
 605         return sce;
 606 }
 607
 608 Scene *BKE_scene_add(Main *bmain, const char *name)
 609 {
 610         return scene_add(bmain, name);
 611 }
 612
 613 Base *BKE_scene_base_find(Scene *scene, Object *ob)
 614 {
 615         return BLI_findptr(&scene->base, ob, offsetof(Base, object));
 616 }
 617
 618 void BKE_scene_set_background(Main *bmain, Scene *scene)
 619 {
 620         Scene *sce;
 621         Base *base;
 622         Object *ob;
 623         Group *group;
 624         GroupObject *go;
 625         int flag;
 626
 627         /* check for cyclic sets, for reading old files but also for definite security (py?) */
 628         BKE_scene_validate_setscene(bmain, scene);
 629
 630         /* can happen when switching modes in other scenes */
 631         if (scene->obedit && !(scene->obedit->mode & OB_MODE_EDIT))
 632                 scene->obedit = NULL;
 633
 634         /* deselect objects (for dataselect) */
 635         for (ob = bmain->object.first; ob; ob = ob->id.next)
 636                 ob->flag &= ~(SELECT | OB_FROMGROUP);
 637
 638         /* group flags again */
 639         for (group = bmain->group.first; group; group = group->id.next) {
 640                 for (go = group->gobject.first; go; go = go->next) {
 641                         if (go->ob) {
 642                                 go->ob->flag |= OB_FROMGROUP;
 643                         }
 644                 }
 645         }
 646
 647         /* sort baselist */
 648         DAG_scene_sort(bmain, scene);
 649
 650         /* ensure dags are built for sets */
 651         for (sce = scene->set; sce; sce = sce->set)
 652                 if (sce->theDag == NULL)
 653                         DAG_scene_sort(bmain, sce);
 654
 655         /* copy layers and flags from bases to objects */
 656         for (base = scene->base.first; base; base = base->next) {
 657                 ob = base->object;
 658                 ob->lay = base->lay;
 659
 660                 /* group patch... */
 661                 base->flag &= ~(OB_FROMGROUP);
 662                 flag = ob->flag & (OB_FROMGROUP);
 663                 base->flag |= flag;
 664
 665                 /* not too nice... for recovering objects with lost data */
 666                 //if (ob->pose == NULL) base->flag &= ~OB_POSEMODE;
 667                 ob->flag = base->flag;
 668         }
 669         /* no full animation update, this to enable render code to work (render code calls own animation updates) */
 670 }
 671
 672 /* called from creator.c */
 673 Scene *BKE_scene_set_name(Main *bmain, const char *name)
 674 {
 675         Scene *sce = (Scene *)BKE_libblock_find_name(ID_SCE, name);
 676         if (sce) {
 677                 BKE_scene_set_background(bmain, sce);
 678                 printf("Scene switch: '%s' in file: '%s'\n", name, G.main->name);
 679                 return sce;
 680         }
 681
 682         printf("Can't find scene: '%s' in file: '%s'\n", name, G.main->name);
 683         return NULL;
 684 }
 685
 686 void BKE_scene_unlink(Main *bmain, Scene *sce, Scene *newsce)
 687 {
 688         Scene *sce1;
 689         bScreen *sc;
 690
 691         /* check all sets */
 692         for (sce1 = bmain->scene.first; sce1; sce1 = sce1->id.next)
 693                 if (sce1->set == sce)
 694                         sce1->set = NULL;
 695
 696         /* check all sequences */
 697         BKE_sequencer_clear_scene_in_allseqs(bmain, sce);
 698
 699         /* check render layer nodes in other scenes */
 700         clear_scene_in_nodes(bmain, sce);
 701
 702         /* al screens */
 703         for (sc = bmain->screen.first; sc; sc = sc->id.next)
 704                 if (sc->scene == sce)
 705                         sc->scene = newsce;
 706
 707         BKE_libblock_free(&bmain->scene, sce);
 708 }
 709
 710 /* used by metaballs
 711  * doesnt return the original duplicated object, only dupli's
 712  */
 713 int BKE_scene_base_iter_next(Scene **scene, int val, Base **base, Object **ob)
 714 {
 715         static ListBase *duplilist = NULL;
 716         static DupliObject *dupob;
 717         static int fase = F_START, in_next_object = 0;
 718         int run_again = 1;
 719
 720         /* init */
 721         if (val == 0) {
 722                 fase = F_START;
 723                 dupob = NULL;
 724
 725                 /* XXX particle systems with metas+dupligroups call this recursively */
 726                 /* see bug #18725 */
 727                 if (in_next_object) {
 728                         printf("ERROR: Metaball generation called recursively, not supported\n");
 729
 730                         return F_ERROR;
 731                 }
 732         }
 733         else {
 734                 in_next_object = 1;
 735
 736                 /* run_again is set when a duplilist has been ended */
 737                 while (run_again) {
 738                         run_again = 0;
 739
 740                         /* the first base */
 741                         if (fase == F_START) {
 742                                 *base = (*scene)->base.first;
 743                                 if (*base) {
 744                                         *ob = (*base)->object;
 745                                         fase = F_SCENE;
 746                                 }
 747                                 else {
 748                                         /* exception: empty scene */
 749                                         while ((*scene)->set) {
 750                                                 (*scene) = (*scene)->set;
 751                                                 if ((*scene)->base.first) {
 752                                                         *base = (*scene)->base.first;
 753                                                         *ob = (*base)->object;
 754                                                         fase = F_SCENE;
 755                                                         break;
 756                                                 }
 757                                         }
 758                                 }
 759                         }
 760                         else {
 761                                 if (*base && fase != F_DUPLI) {
 762                                         *base = (*base)->next;
 763                                         if (*base) *ob = (*base)->object;
 764                                         else {
 765                                                 if (fase == F_SCENE) {
 766                                                         /* (*scene) is finished, now do the set */
 767                                                         while ((*scene)->set) {
 768                                                                 (*scene) = (*scene)->set;
 769                                                                 if ((*scene)->base.first) {
 770                                                                         *base = (*scene)->base.first;
 771                                                                         *ob = (*base)->object;
 772                                                                         break;
 773                                                                 }
 774                                                         }
 775                                                 }
 776                                         }
 777                                 }
 778                         }
 779
 780                         if (*base == NULL) fase = F_START;
 781                         else {
 782                                 if (fase != F_DUPLI) {
 783                                         if ( (*base)->object->transflag & OB_DUPLI) {
 784                                                 /* groups cannot be duplicated for mballs yet,
 785                                                  * this enters eternal loop because of
 786                                                  * makeDispListMBall getting called inside of group_duplilist */
 787                                                 if ((*base)->object->dup_group == NULL) {
 788                                                         duplilist = object_duplilist((*scene), (*base)->object, FALSE);
 789
 790                                                         dupob = duplilist->first;
 791
 792                                                         if (!dupob)
 793                                                                 free_object_duplilist(duplilist);
 794                                                 }
 795                                         }
 796                                 }
 797                                 /* handle dupli's */
 798                                 if (dupob) {
 799
 800                                         copy_m4_m4(dupob->ob->obmat, dupob->mat);
 801
 802                                         (*base)->flag |= OB_FROMDUPLI;
 803                                         *ob = dupob->ob;
 804                                         fase = F_DUPLI;
 805
 806                                         dupob = dupob->next;
 807                                 }
 808                                 else if (fase == F_DUPLI) {
 809                                         fase = F_SCENE;
 810                                         (*base)->flag &= ~OB_FROMDUPLI;
 811
 812                                         for (dupob = duplilist->first; dupob; dupob = dupob->next) {
 813                                                 copy_m4_m4(dupob->ob->obmat, dupob->omat);
 814                                         }
 815
 816                                         free_object_duplilist(duplilist);
 817                                         duplilist = NULL;
 818                                         run_again = 1;
 819                                 }
 820                         }
 821                 }
 822         }
 823
 824 #if 0
 825         if (ob && *ob) {
 826                 printf("Scene: '%s', '%s'\n", (*scene)->id.name + 2, (*ob)->id.name + 2);
 827         }
 828 #endif
 829
 830         /* reset recursion test */
 831         in_next_object = 0;
 832
 833         return fase;
 834 }
 835
 836 Object *BKE_scene_camera_find(Scene *sc)
 837 {
 838         Base *base;
 839
 840         for (base = sc->base.first; base; base = base->next)
 841                 if (base->object->type == OB_CAMERA)
 842                         return base->object;
 843
 844         return NULL;
 845 }
 846
 847 #ifdef DURIAN_CAMERA_SWITCH
 848 Object *BKE_scene_camera_switch_find(Scene *scene)
 849 {
 850         TimeMarker *m;
 851         int cfra = scene->r.cfra;
 852         int frame = -(MAXFRAME + 1);
 853         Object *camera = NULL;
 854
 855         for (m = scene->markers.first; m; m = m->next) {
 856                 if (m->camera && (m->camera->restrictflag & OB_RESTRICT_RENDER) == 0 && (m->frame <= cfra) && (m->frame > frame)) {
 857                         camera = m->camera;
 858                         frame = m->frame;
 859
 860                         if (frame == cfra)
 861                                 break;
 862
 863                 }
 864         }
 865         return camera;
 866 }
 867 #endif
 868
 869 int BKE_scene_camera_switch_update(Scene *scene)
 870 {
 871 #ifdef DURIAN_CAMERA_SWITCH
 872         Object *camera = BKE_scene_camera_switch_find(scene);
 873         if (camera) {
 874                 scene->camera = camera;
 875                 return 1;
 876         }
 877 #else
 878         (void)scene;
 879 #endif
 880         return 0;
 881 }
 882
 883 char *BKE_scene_find_marker_name(Scene *scene, int frame)
 884 {
 885         ListBase *markers = &scene->markers;
 886         TimeMarker *m1, *m2;
 887
 888         /* search through markers for match */
 889         for (m1 = markers->first, m2 = markers->last; m1 && m2; m1 = m1->next, m2 = m2->prev) {
 890                 if (m1->frame == frame)
 891                         return m1->name;
 892
 893                 if (m1 == m2)
 894                         break;
 895
 896                 if (m2->frame == frame)
 897                         return m2->name;
 898         }
 899
 900         return NULL;
 901 }
 902
 903 /* return the current marker for this frame,
 904  * we can have more then 1 marker per frame, this just returns the first :/ */
 905 char *BKE_scene_find_last_marker_name(Scene *scene, int frame)
 906 {
 907         TimeMarker *marker, *best_marker = NULL;
 908         int best_frame = -MAXFRAME * 2;
 909         for (marker = scene->markers.first; marker; marker = marker->next) {
 910                 if (marker->frame == frame) {
 911                         return marker->name;
 912                 }
 913
 914                 if (marker->frame > best_frame && marker->frame < frame) {
 915                         best_marker = marker;
 916                         best_frame = marker->frame;
 917                 }
 918         }
 919
 920         return best_marker ? best_marker->name : NULL;
 921 }
 922
 923
 924 Base *BKE_scene_base_add(Scene *sce, Object *ob)
 925 {
 926         Base *b = MEM_callocN(sizeof(*b), "BKE_scene_base_add");
 927         BLI_addhead(&sce->base, b);
 928
 929         b->object = ob;
 930         b->flag = ob->flag;
 931         b->lay = ob->lay;
 932
 933         return b;
 934 }
 935
 936 void BKE_scene_base_deselect_all(Scene *sce)
 937 {
 938         Base *b;
 939
 940         for (b = sce->base.first; b; b = b->next) {
 941                 b->flag &= ~SELECT;
 942                 b->object->flag = b->flag;
 943         }
 944 }
 945
 946 void BKE_scene_base_select(Scene *sce, Base *selbase)
 947 {
 948         selbase->flag |= SELECT;
 949         selbase->object->flag = selbase->flag;
 950
 951         sce->basact = selbase;
 952 }
 953
 954 /* checks for cycle, returns 1 if it's all OK */
 955 int BKE_scene_validate_setscene(Main *bmain, Scene *sce)
 956 {
 957         Scene *scene;
 958         int a, totscene;
 959
 960         if (sce->set == NULL) return 1;
 961
 962         totscene = 0;
 963         for (scene = bmain->scene.first; scene; scene = scene->id.next)
 964                 totscene++;
 965
 966         for (a = 0, scene = sce; scene->set; scene = scene->set, a++) {
 967                 /* more iterations than scenes means we have a cycle */
 968                 if (a > totscene) {
 969                         /* the tested scene gets zero'ed, that's typically current scene */
 970                         sce->set = NULL;
 971                         return 0;
 972                 }
 973         }
 974
 975         return 1;
 976 }
 977
 978 /* This function is needed to cope with fractional frames - including two Blender rendering features
 979  * mblur (motion blur that renders 'subframes' and blurs them together), and fields rendering.
 980  */
 981 float BKE_scene_frame_get(Scene *scene)
 982 {
 983         return BKE_scene_frame_get_from_ctime(scene, scene->r.cfra);
 984 }
 985
 986 /* This function is used to obtain arbitrary fractional frames */
 987 float BKE_scene_frame_get_from_ctime(Scene *scene, const float frame)
 988 {
 989         float ctime = frame;
 990         ctime += scene->r.subframe;
 991         ctime *= scene->r.framelen;
 992
 993         return ctime;
 994 }
 995
 996 /* drivers support/hacks
 997  *  - this method is called from scene_update_tagged_recursive(), so gets included in viewport + render
 998  *      - these are always run since the depsgraph can't handle non-object data
 999  *      - these happen after objects are all done so that we can read in their final transform values,
1000  *        though this means that objects can't refer to scene info for guidance...
1001  */
1002 static void scene_update_drivers(Main *UNUSED(bmain), Scene *scene)
1003 {
1004         float ctime = BKE_scene_frame_get(scene);
1005
1006         /* scene itself */
1007         if (scene->adt && scene->adt->drivers.first) {
1008                 BKE_animsys_evaluate_animdata(scene, &scene->id, scene->adt, ctime, ADT_RECALC_DRIVERS);
1009         }
1010
1011         /* world */
1012         /* TODO: what about world textures? but then those have nodes too... */
1013         if (scene->world) {
1014                 ID *wid = (ID *)scene->world;
1015                 AnimData *adt = BKE_animdata_from_id(wid);
1016
1017                 if (adt && adt->drivers.first)
1018                         BKE_animsys_evaluate_animdata(scene, wid, adt, ctime, ADT_RECALC_DRIVERS);
1019         }
1020
1021         /* nodes */
1022         if (scene->nodetree) {
1023                 ID *nid = (ID *)scene->nodetree;
1024                 AnimData *adt = BKE_animdata_from_id(nid);
1025
1026                 if (adt && adt->drivers.first)
1027                         BKE_animsys_evaluate_animdata(scene, nid, adt, ctime, ADT_RECALC_DRIVERS);
1028         }
1029 }
1030
1031 static void scene_update_tagged_recursive(Main *bmain, Scene *scene, Scene *scene_parent)
1032 {
1033         Base *base;
1034
1035
1036         scene->customdata_mask = scene_parent->customdata_mask;
1037
1038         /* sets first, we allow per definition current scene to have
1039          * dependencies on sets, but not the other way around. */
1040         if (scene->set)
1041                 scene_update_tagged_recursive(bmain, scene->set, scene_parent);
1042
1043         /* scene objects */
1044         for (base = scene->base.first; base; base = base->next) {
1045                 Object *ob = base->object;
1046
1047                 BKE_object_handle_update(scene_parent, ob);
1048
1049                 if (ob->dup_group && (ob->transflag & OB_DUPLIGROUP))
1050                         group_handle_recalc_and_update(scene_parent, ob, ob->dup_group);
1051
1052                 /* always update layer, so that animating layers works (joshua july 2010) */
1053                 /* XXX commented out, this has depsgraph issues anyway - and this breaks setting scenes
1054                  * (on scene-set, the base-lay is copied to ob-lay (ton nov 2012) */
1055                 // base->lay = ob->lay;
1056         }
1057
1058         /* scene drivers... */
1059         scene_update_drivers(bmain, scene);
1060
1061         /* update sound system animation */
1062         sound_update_scene(scene);
1063
1064         /* update masking curves */
1065         BKE_mask_update_scene(bmain, scene, FALSE);
1066 }
1067
1068 /* this is called in main loop, doing tagged updates before redraw */
1069 void BKE_scene_update_tagged(Main *bmain, Scene *scene)
1070 {
1071         /* keep this first */
1072         BLI_callback_exec(bmain, &scene->id, BLI_CB_EVT_SCENE_UPDATE_PRE);
1073
1074         /* flush recalc flags to dependencies */
1075         DAG_ids_flush_tagged(bmain);
1076
1077         /* removed calls to quick_cache, see pointcache.c */
1078
1079         /* clear "LIB_DOIT" flag from all materials, to prevent infinite recursion problems later
1080          * when trying to find materials with drivers that need evaluating [#32017]
1081          */
1082         tag_main_idcode(bmain, ID_MA, FALSE);
1083         tag_main_idcode(bmain, ID_LA, FALSE);
1084
1085         /* update all objects: drivers, matrices, displists, etc. flags set
1086          * by depgraph or manual, no layer check here, gets correct flushed
1087          *
1088          * in the future this should handle updates for all datablocks, not
1089          * only objects and scenes. - brecht */
1090         scene_update_tagged_recursive(bmain, scene, scene);
1091
1092         /* extra call here to recalc scene animation (for sequencer) */
1093         {
1094                 AnimData *adt = BKE_animdata_from_id(&scene->id);
1095                 float ctime = BKE_scene_frame_get(scene);
1096
1097                 if (adt && (adt->recalc & ADT_RECALC_ANIM))
1098                         BKE_animsys_evaluate_animdata(scene, &scene->id, adt, ctime, 0);
1099         }
1100
1101         /* notify editors and python about recalc */
1102         BLI_callback_exec(bmain, &scene->id, BLI_CB_EVT_SCENE_UPDATE_POST);
1103         DAG_ids_check_recalc(bmain, scene, FALSE);
1104
1105         /* clear recalc flags */
1106         DAG_ids_clear_recalc(bmain);
1107 }
1108
1109 /* applies changes right away, does all sets too */
1110 void BKE_scene_update_for_newframe(Main *bmain, Scene *sce, unsigned int lay)
1111 {
1112         float ctime = BKE_scene_frame_get(sce);
1113         Scene *sce_iter;
1114
1115         /* keep this first */
1116         BLI_callback_exec(bmain, &sce->id, BLI_CB_EVT_FRAME_CHANGE_PRE);
1117         BLI_callback_exec(bmain, &sce->id, BLI_CB_EVT_SCENE_UPDATE_PRE);
1118
1119         sound_set_cfra(sce->r.cfra);
1120
1121         /* clear animation overrides */
1122         /* XXX TODO... */
1123
1124         for (sce_iter = sce; sce_iter; sce_iter = sce_iter->set) {
1125                 if (sce_iter->theDag == NULL)
1126                         DAG_scene_sort(bmain, sce_iter);
1127         }
1128
1129         /* flush recalc flags to dependencies, if we were only changing a frame
1130          * this would not be necessary, but if a user or a script has modified
1131          * some datablock before BKE_scene_update_tagged was called, we need the flush */
1132         DAG_ids_flush_tagged(bmain);
1133
1134         /* Following 2 functions are recursive
1135          * so don't call within 'scene_update_tagged_recursive' */
1136         DAG_scene_update_flags(bmain, sce, lay, TRUE);   // only stuff that moves or needs display still
1137
1138         BKE_mask_evaluate_all_masks(bmain, ctime, TRUE);
1139
1140         /* All 'standard' (i.e. without any dependencies) animation is handled here,
1141          * with an 'local' to 'macro' order of evaluation. This should ensure that
1142          * settings stored nestled within a hierarchy (i.e. settings in a Texture block
1143          * can be overridden by settings from Scene, which owns the Texture through a hierarchy
1144          * such as Scene->World->MTex/Texture) can still get correctly overridden.
1145          */
1146         BKE_animsys_evaluate_all_animation(bmain, sce, ctime);
1147         /*...done with recusrive funcs */
1148
1149         /* clear "LIB_DOIT" flag from all materials, to prevent infinite recursion problems later
1150          * when trying to find materials with drivers that need evaluating [#32017]
1151          */
1152         tag_main_idcode(bmain, ID_MA, FALSE);
1153         tag_main_idcode(bmain, ID_LA, FALSE);
1154
1155         /* BKE_object_handle_update() on all objects, groups and sets */
1156         scene_update_tagged_recursive(bmain, sce, sce);
1157
1158         /* notify editors and python about recalc */
1159         BLI_callback_exec(bmain, &sce->id, BLI_CB_EVT_SCENE_UPDATE_POST);
1160         BLI_callback_exec(bmain, &sce->id, BLI_CB_EVT_FRAME_CHANGE_POST);
1161
1162         DAG_ids_check_recalc(bmain, sce, TRUE);
1163
1164         /* clear recalc flags */
1165         DAG_ids_clear_recalc(bmain);
1166 }
1167
1168 /* return default layer, also used to patch old files */
1169 SceneRenderLayer *BKE_scene_add_render_layer(Scene *sce, const char *name)
1170 {
1171         SceneRenderLayer *srl;
1172
1173         if (!name)
1174                 name = "RenderLayer";
1175
1176         srl = MEM_callocN(sizeof(SceneRenderLayer), "new render layer");
1177         BLI_strncpy(srl->name, name, sizeof(srl->name));
1178         BLI_uniquename(&sce->r.layers, srl, "RenderLayer", '.', offsetof(SceneRenderLayer, name), sizeof(srl->name));
1179         BLI_addtail(&sce->r.layers, srl);
1180
1181         /* note, this is also in render, pipeline.c, to make layer when scenedata doesnt have it */
1182         srl->lay = (1 << 20) - 1;
1183         srl->layflag = 0x7FFF;   /* solid ztra halo edge strand */
1184         srl->passflag = SCE_PASS_COMBINED | SCE_PASS_Z;
1185
1186         return srl;
1187 }
1188
1189 int BKE_scene_remove_render_layer(Main *bmain, Scene *scene, SceneRenderLayer *srl)
1190 {
1191         const int act = BLI_findindex(&scene->r.layers, srl);
1192         Scene *sce;
1193
1194         if (act == -1) {
1195                 return 0;
1196         }
1197         else if ( (scene->r.layers.first == scene->r.layers.last) &&
1198                   (scene->r.layers.first == srl))
1199         {
1200                 /* ensure 1 layer is kept */
1201                 return 0;
1202         }
1203
1204         BLI_remlink(&scene->r.layers, srl);
1205         MEM_freeN(srl);
1206
1207         scene->r.actlay = 0;
1208
1209         for (sce = bmain->scene.first; sce; sce = sce->id.next) {
1210                 if (sce->nodetree) {
1211                         bNode *node;
1212                         for (node = sce->nodetree->nodes.first; node; node = node->next) {
1213                                 if (node->type == CMP_NODE_R_LAYERS && (Scene *)node->id == scene) {
1214                                         if (node->custom1 == act)
1215                                                 node->custom1 = 0;
1216                                         else if (node->custom1 > act)
1217                                                 node->custom1--;
1218                                 }
1219                         }
1220                 }
1221         }
1222
1223         return 1;
1224 }
1225
1226 /* render simplification */
1227
1228 int get_render_subsurf_level(RenderData *r, int lvl)
1229 {
1230         if (r->mode & R_SIMPLIFY)
1231                 return min_ii(r->simplify_subsurf, lvl);
1232         else
1233                 return lvl;
1234 }
1235
1236 int get_render_child_particle_number(RenderData *r, int num)
1237 {
1238         if (r->mode & R_SIMPLIFY)
1239                 return (int)(r->simplify_particles * num);
1240         else
1241                 return num;
1242 }
1243
1244 int get_render_shadow_samples(RenderData *r, int samples)
1245 {
1246         if ((r->mode & R_SIMPLIFY) && samples > 0)
1247                 return min_ii(r->simplify_shadowsamples, samples);
1248         else
1249                 return samples;
1250 }
1251
1252 float get_render_aosss_error(RenderData *r, float error)
1253 {
1254         if (r->mode & R_SIMPLIFY)
1255                 return ((1.0f - r->simplify_aosss) * 10.0f + 1.0f) * error;
1256         else
1257                 return error;
1258 }
1259
1260 /* helper function for the SETLOOPER macro */
1261 Base *_setlooper_base_step(Scene **sce_iter, Base *base)
1262 {
1263         if (base && base->next) {
1264                 /* common case, step to the next */
1265                 return base->next;
1266         }
1267         else if (base == NULL && (*sce_iter)->base.first) {
1268                 /* first time looping, return the scenes first base */
1269                 return (Base *)(*sce_iter)->base.first;
1270         }
1271         else {
1272                 /* reached the end, get the next base in the set */
1273                 while ((*sce_iter = (*sce_iter)->set)) {
1274                         base = (Base *)(*sce_iter)->base.first;
1275                         if (base) {
1276                                 return base;
1277                         }
1278                 }
1279         }
1280
1281         return NULL;
1282 }
1283
1284 int BKE_scene_use_new_shading_nodes(Scene *scene)
1285 {
1286         RenderEngineType *type = RE_engines_find(scene->r.engine);
1287         return (type && type->flag & RE_USE_SHADING_NODES);
1288 }
1289
1290 void BKE_scene_base_flag_to_objects(struct Scene *scene)
1291 {
1292         Base *base = scene->base.first;
1293
1294         while (base) {
1295                 base->object->flag = base->flag;
1296                 base = base->next;
1297         }
1298 }
1299
1300 void BKE_scene_base_flag_from_objects(struct Scene *scene)
1301 {
1302         Base *base = scene->base.first;
1303
1304         while (base) {
1305                 base->flag = base->object->flag;
1306                 base = base->next;
1307         }
1308 }
1309
1310 void BKE_scene_disable_color_management(Scene *scene)
1311 {
1312         ColorManagedDisplaySettings *display_settings = &scene->display_settings;
1313         ColorManagedViewSettings *view_settings = &scene->view_settings;
1314         const char *view;
1315         const char *none_display_name;
1316
1317         none_display_name = IMB_colormanagement_display_get_none_name();
1318
1319         BLI_strncpy(display_settings->display_device, none_display_name, sizeof(display_settings->display_device));
1320
1321         view = IMB_colormanagement_view_get_default_name(display_settings->display_device);
1322
1323         if (view) {
1324                 BLI_strncpy(view_settings->view_transform, view, sizeof(view_settings->view_transform));
1325         }
1326 }
1327
1328 int BKE_scene_check_color_management_enabled(const Scene *scene)
1329 {
1330         return strcmp(scene->display_settings.display_device, "None") != 0;
1331 }