source/blender/blenkernel/intern/scene.c

   1 /*  scene.c
   2  *
   3  *
   4  * $Id$
   5  *
   6  * ***** BEGIN GPL LICENSE BLOCK *****
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License
  10  * as published by the Free Software Foundation; either version 2
  11  * of the License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software Foundation,
  20  * Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  21  *
  22  * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
  23  * All rights reserved.
  24  *
  25  * The Original Code is: all of this file.
  26  *
  27  * Contributor(s): none yet.
  28  *
  29  * ***** END GPL LICENSE BLOCK *****
  30  */
  31
  32 #include <stdio.h>
  33 #include <string.h>
  34
  35 #ifdef HAVE_CONFIG_H
  36 #include <config.h>
  37 #endif
  38
  39 #ifndef WIN32
  40 #include <unistd.h>
  41 #else
  42 #include <io.h>
  43 #endif
  44 #include "MEM_guardedalloc.h"
  45
  46 #include "DNA_armature_types.h"
  47 #include "DNA_color_types.h"
  48 #include "DNA_constraint_types.h"
  49 #include "DNA_curve_types.h"
  50 #include "DNA_group_types.h"
  51 #include "DNA_lamp_types.h"
  52 #include "DNA_material_types.h"
  53 #include "DNA_meta_types.h"
  54 #include "DNA_object_types.h"
  55 #include "DNA_scene_types.h"
  56 #include "DNA_scriptlink_types.h"
  57 #include "DNA_texture_types.h"
  58 #include "DNA_userdef_types.h"
  59
  60 #include "BKE_action.h"
  61 #include "BKE_anim.h"
  62 #include "BKE_armature.h"
  63 #include "BKE_bad_level_calls.h"
  64 #include "BKE_colortools.h"
  65 #include "BKE_constraint.h"
  66 #include "BKE_depsgraph.h"
  67 #include "BKE_global.h"
  68 #include "BKE_group.h"
  69 #include "BKE_ipo.h"
  70 #include "BKE_idprop.h"
  71 #include "BKE_image.h"
  72 #include "BKE_key.h"
  73 #include "BKE_library.h"
  74 #include "BKE_main.h"
  75 #include "BKE_node.h"
  76 #include "BKE_object.h"
  77 #include "BKE_scene.h"
  78 #include "BKE_sculpt.h"
  79 #include "BKE_world.h"
  80 #include "BKE_utildefines.h"
  81
  82 #include "BIF_previewrender.h"
  83 #include "BIF_editseq.h"
  84
  85 #ifndef DISABLE_PYTHON
  86 #include "BPY_extern.h"
  87 #endif
  88
  89 #include "BLI_arithb.h"
  90 #include "BLI_blenlib.h"
  91
  92 #include "nla.h"
  93
  94 #ifdef WIN32
  95 #else
  96 #include <sys/time.h>
  97 #endif
  98
  99 void free_avicodecdata(AviCodecData *acd)
 100 {
 101         if (acd) {
 102                 if (acd->lpFormat){
 103                         MEM_freeN(acd->lpFormat);
 104                         acd->lpFormat = NULL;
 105                         acd->cbFormat = 0;
 106                 }
 107                 if (acd->lpParms){
 108                         MEM_freeN(acd->lpParms);
 109                         acd->lpParms = NULL;
 110                         acd->cbParms = 0;
 111                 }
 112         }
 113 }
 114
 115 void free_qtcodecdata(QuicktimeCodecData *qcd)
 116 {
 117         if (qcd) {
 118                 if (qcd->cdParms){
 119                         MEM_freeN(qcd->cdParms);
 120                         qcd->cdParms = NULL;
 121                         qcd->cdSize = 0;
 122                 }
 123         }
 124 }
 125
 126 /* copy_scene moved to src/header_info.c... should be back */
 127
 128 /* do not free scene itself */
 129 void free_scene(Scene *sce)
 130 {
 131         Base *base;
 132
 133         base= sce->base.first;
 134         while(base) {
 135                 base->object->id.us--;
 136                 base= base->next;
 137         }
 138         /* do not free objects! */
 139
 140         BLI_freelistN(&sce->base);
 141         free_editing(sce->ed);
 142         if(sce->radio) MEM_freeN(sce->radio);
 143         sce->radio= 0;
 144
 145 #ifndef DISABLE_PYTHON
 146         BPY_free_scriptlink(&sce->scriptlink);
 147 #endif
 148
 149         if (sce->r.avicodecdata) {
 150                 free_avicodecdata(sce->r.avicodecdata);
 151                 MEM_freeN(sce->r.avicodecdata);
 152                 sce->r.avicodecdata = NULL;
 153         }
 154         if (sce->r.qtcodecdata) {
 155                 free_qtcodecdata(sce->r.qtcodecdata);
 156                 MEM_freeN(sce->r.qtcodecdata);
 157                 sce->r.qtcodecdata = NULL;
 158         }
 159         if (sce->r.ffcodecdata.properties) {
 160                 IDP_FreeProperty(sce->r.ffcodecdata.properties);
 161                 MEM_freeN(sce->r.ffcodecdata.properties);
 162                 sce->r.ffcodecdata.properties = NULL;
 163         }
 164
 165         BLI_freelistN(&sce->markers);
 166         BLI_freelistN(&sce->transform_spaces);
 167         BLI_freelistN(&sce->r.layers);
 168
 169         if(sce->toolsettings){
 170                 MEM_freeN(sce->toolsettings);
 171                 sce->toolsettings = NULL;
 172         }
 173
 174         if (sce->theDag) {
 175                 free_forest(sce->theDag);
 176                 MEM_freeN(sce->theDag);
 177         }
 178
 179         if(sce->nodetree) {
 180                 ntreeFreeTree(sce->nodetree);
 181                 MEM_freeN(sce->nodetree);
 182         }
 183
 184         sculptdata_free(sce);
 185 }
 186
 187 Scene *add_scene(char *name)
 188 {
 189         Scene *sce;
 190         ParticleEditSettings *pset;
 191         int a;
 192
 193         sce= alloc_libblock(&G.main->scene, ID_SCE, name);
 194         sce->lay= 1;
 195         sce->selectmode= SCE_SELECT_VERTEX;
 196         sce->editbutsize= 0.1;
 197         sce->autokey_mode= U.autokey_mode;
 198
 199         sce->r.mode= R_GAMMA;
 200         sce->r.cfra= 1;
 201         sce->r.sfra= 1;
 202         sce->r.efra= 250;
 203         sce->r.xsch= 320;
 204         sce->r.ysch= 256;
 205         sce->r.xasp= 1;
 206         sce->r.yasp= 1;
 207         sce->r.xparts= 4;
 208         sce->r.yparts= 4;
 209         sce->r.size= 100;
 210         sce->r.planes= 24;
 211         sce->r.quality= 90;
 212         sce->r.framapto= 100;
 213         sce->r.images= 100;
 214         sce->r.framelen= 1.0;
 215         sce->r.frs_sec= 25;
 216         sce->r.frs_sec_base= 1;
 217         sce->r.ocres = 128;
 218
 219         sce->r.bake_mode= 1;    /* prevent to include render stuff here */
 220         sce->r.bake_filter= 2;
 221         sce->r.bake_osa= 5;
 222         sce->r.bake_flag= R_BAKE_CLEAR;
 223         sce->r.bake_normal_space= R_BAKE_SPACE_TANGENT;
 224
 225         sce->r.xplay= 640;
 226         sce->r.yplay= 480;
 227         sce->r.freqplay= 60;
 228         sce->r.depth= 32;
 229
 230         sce->r.threads= 1;
 231
 232         sce->r.stereomode = 1;  // no stereo
 233
 234         sce->r.simplify_subsurf= 6;
 235         sce->r.simplify_particles= 1.0f;
 236         sce->r.simplify_shadowsamples= 16;
 237         sce->r.simplify_aosss= 1.0f;
 238
 239         sce->r.cineonblack= 95;
 240         sce->r.cineonwhite= 685;
 241         sce->r.cineongamma= 1.7f;
 242
 243         sce->toolsettings = MEM_callocN(sizeof(struct ToolSettings),"Tool Settings Struct");
 244         sce->toolsettings->cornertype=1;
 245         sce->toolsettings->degr = 90;
 246         sce->toolsettings->step = 9;
 247         sce->toolsettings->turn = 1;
 248         sce->toolsettings->extr_offs = 1;
 249         sce->toolsettings->doublimit = 0.001;
 250         sce->toolsettings->segments = 32;
 251         sce->toolsettings->rings = 32;
 252         sce->toolsettings->vertices = 32;
 253         sce->toolsettings->editbutflag = 1;
 254         sce->toolsettings->uvcalc_radius = 1.0f;
 255         sce->toolsettings->uvcalc_cubesize = 1.0f;
 256         sce->toolsettings->uvcalc_mapdir = 1;
 257         sce->toolsettings->uvcalc_mapalign = 1;
 258         sce->toolsettings->unwrapper = 1;
 259         sce->toolsettings->select_thresh= 0.01f;
 260         sce->toolsettings->jointrilimit = 0.8f;
 261
 262         pset= &sce->toolsettings->particle;
 263         pset->flag= PE_KEEP_LENGTHS|PE_LOCK_FIRST|PE_DEFLECT_EMITTER;
 264         pset->emitterdist= 0.25f;
 265         pset->totrekey= 5;
 266         pset->totaddkey= 5;
 267         pset->brushtype= PE_BRUSH_NONE;
 268         for(a=0; a<PE_TOT_BRUSH; a++) {
 269                 pset->brush[a].strength= 50;
 270                 pset->brush[a].size= 50;
 271                 pset->brush[a].step= 10;
 272         }
 273         pset->brush[PE_BRUSH_CUT].strength= 100;
 274
 275         sce->jumpframe = 10;
 276         sce->audio.mixrate = 44100;
 277
 278         strcpy(sce->r.backbuf, "//backbuf");
 279         strcpy(sce->r.pic, U.renderdir);
 280
 281         BLI_init_rctf(&sce->r.safety, 0.1f, 0.9f, 0.1f, 0.9f);
 282         sce->r.osa= 8;
 283
 284         sculptdata_init(sce);
 285
 286         /* note; in header_info.c the scene copy happens..., if you add more to renderdata it has to be checked there */
 287         scene_add_render_layer(sce);
 288
 289         return sce;
 290 }
 291
 292 Base *object_in_scene(Object *ob, Scene *sce)
 293 {
 294         Base *base;
 295
 296         base= sce->base.first;
 297         while(base) {
 298                 if(base->object == ob) return base;
 299                 base= base->next;
 300         }
 301         return NULL;
 302 }
 303
 304 void set_scene_bg(Scene *sce)
 305 {
 306         Base *base;
 307         Object *ob;
 308         Group *group;
 309         GroupObject *go;
 310         int flag;
 311
 312         // Note: this here is defined in editseq.c (BIF_editseq.h), NOT in blenkernel!
 313         clear_last_seq();
 314
 315         G.scene= sce;
 316
 317         /* check for cyclic sets, for reading old files but also for definite security (py?) */
 318         scene_check_setscene(G.scene);
 319
 320         /* deselect objects (for dataselect) */
 321         for(ob= G.main->object.first; ob; ob= ob->id.next)
 322                 ob->flag &= ~(SELECT|OB_FROMGROUP);
 323
 324         /* group flags again */
 325         for(group= G.main->group.first; group; group= group->id.next) {
 326                 go= group->gobject.first;
 327                 while(go) {
 328                         if(go->ob) go->ob->flag |= OB_FROMGROUP;
 329                         go= go->next;
 330                 }
 331         }
 332
 333         /* sort baselist */
 334         DAG_scene_sort(sce);
 335
 336         /* ensure dags are built for sets */
 337         for(sce= sce->set; sce; sce= sce->set)
 338                 if(sce->theDag==NULL)
 339                         DAG_scene_sort(sce);
 340
 341         /* copy layers and flags from bases to objects */
 342         for(base= G.scene->base.first; base; base= base->next) {
 343                 ob= base->object;
 344                 ob->lay= base->lay;
 345
 346                 /* group patch... */
 347                 base->flag &= ~(OB_FROMGROUP);
 348                 flag= ob->flag & (OB_FROMGROUP);
 349                 base->flag |= flag;
 350
 351                 /* not too nice... for recovering objects with lost data */
 352                 if(ob->pose==NULL) base->flag &= ~OB_POSEMODE;
 353                 ob->flag= base->flag;
 354
 355                 ob->ctime= -1234567.0;  /* force ipo to be calculated later */
 356         }
 357         /* no full animation update, this to enable render code to work (render code calls own animation updates) */
 358
 359         /* do we need FRAMECHANGED in set_scene? */
 360 //      if (G.f & G_DOSCRIPTLINKS) BPY_do_all_scripts(SCRIPT_FRAMECHANGED, 0);
 361 }
 362
 363 /* called from creator.c */
 364 void set_scene_name(char *name)
 365 {
 366         Scene *sce;
 367
 368         for (sce= G.main->scene.first; sce; sce= sce->id.next) {
 369                 if (BLI_streq(name, sce->id.name+2)) {
 370                         set_scene_bg(sce);
 371                         return;
 372                 }
 373         }
 374
 375         error("Can't find scene: %s", name);
 376 }
 377
 378 /* used by metaballs
 379  * doesnt return the original duplicated object, only dupli's
 380  */
 381 int next_object(int val, Base **base, Object **ob)
 382 {
 383         static ListBase *duplilist= NULL;
 384         static DupliObject *dupob;
 385         static int fase;
 386         int run_again=1;
 387
 388         /* init */
 389         if(val==0) {
 390                 fase= F_START;
 391                 dupob= NULL;
 392         }
 393         else {
 394
 395                 /* run_again is set when a duplilist has been ended */
 396                 while(run_again) {
 397                         run_again= 0;
 398
 399                         /* the first base */
 400                         if(fase==F_START) {
 401                                 *base= G.scene->base.first;
 402                                 if(*base) {
 403                                         *ob= (*base)->object;
 404                                         fase= F_SCENE;
 405                                 }
 406                                 else {
 407                                     /* exception: empty scene */
 408                                         if(G.scene->set && G.scene->set->base.first) {
 409                                                 *base= G.scene->set->base.first;
 410                                                 *ob= (*base)->object;
 411                                                 fase= F_SET;
 412                                         }
 413                                 }
 414                         }
 415                         else {
 416                                 if(*base && fase!=F_DUPLI) {
 417                                         *base= (*base)->next;
 418                                         if(*base) *ob= (*base)->object;
 419                                         else {
 420                                                 if(fase==F_SCENE) {
 421                                                         /* scene is finished, now do the set */
 422                                                         if(G.scene->set && G.scene->set->base.first) {
 423                                                                 *base= G.scene->set->base.first;
 424                                                                 *ob= (*base)->object;
 425                                                                 fase= F_SET;
 426                                                         }
 427                                                 }
 428                                         }
 429                                 }
 430                         }
 431
 432                         if(*base == NULL) fase= F_START;
 433                         else {
 434                                 if(fase!=F_DUPLI) {
 435                                         if( (*base)->object->transflag & OB_DUPLI) {
 436                                                 /* groups cannot be duplicated for mballs yet,
 437                                                 this enters eternal loop because of
 438                                                 makeDispListMBall getting called inside of group_duplilist */
 439                                                 if((*base)->object->dup_group == NULL) {
 440                                                         duplilist= object_duplilist(G.scene, (*base)->object);
 441
 442                                                         dupob= duplilist->first;
 443
 444                                                         if(!dupob)
 445                                                                 free_object_duplilist(duplilist);
 446                                                 }
 447                                         }
 448                                 }
 449                                 /* handle dupli's */
 450                                 if(dupob) {
 451
 452                                         Mat4CpyMat4(dupob->ob->obmat, dupob->mat);
 453
 454                                         (*base)->flag |= OB_FROMDUPLI;
 455                                         *ob= dupob->ob;
 456                                         fase= F_DUPLI;
 457
 458                                         dupob= dupob->next;
 459                                 }
 460                                 else if(fase==F_DUPLI) {
 461                                         fase= F_SCENE;
 462                                         (*base)->flag &= ~OB_FROMDUPLI;
 463
 464                                         for(dupob= duplilist->first; dupob; dupob= dupob->next) {
 465                                                 Mat4CpyMat4(dupob->ob->obmat, dupob->omat);
 466                                         }
 467
 468                                         free_object_duplilist(duplilist);
 469                                         duplilist= NULL;
 470                                         run_again= 1;
 471                                 }
 472                         }
 473                 }
 474         }
 475
 476         return fase;
 477 }
 478
 479 Object *scene_find_camera(Scene *sc)
 480 {
 481         Base *base;
 482
 483         for (base= sc->base.first; base; base= base->next)
 484                 if (base->object->type==OB_CAMERA)
 485                         return base->object;
 486
 487         return NULL;
 488 }
 489
 490
 491 Base *scene_add_base(Scene *sce, Object *ob)
 492 {
 493         Base *b= MEM_callocN(sizeof(*b), "scene_add_base");
 494         BLI_addhead(&sce->base, b);
 495
 496         b->object= ob;
 497         b->flag= ob->flag;
 498         b->lay= ob->lay;
 499
 500         return b;
 501 }
 502
 503 void scene_deselect_all(Scene *sce)
 504 {
 505         Base *b;
 506
 507         for (b= sce->base.first; b; b= b->next) {
 508                 b->flag&= ~SELECT;
 509                 b->object->flag= b->flag;
 510         }
 511 }
 512
 513 void scene_select_base(Scene *sce, Base *selbase)
 514 {
 515         scene_deselect_all(sce);
 516
 517         selbase->flag |= SELECT;
 518         selbase->object->flag= selbase->flag;
 519
 520         sce->basact= selbase;
 521 }
 522
 523 /* checks for cycle, returns 1 if it's all OK */
 524 int scene_check_setscene(Scene *sce)
 525 {
 526         Scene *scene;
 527         int a, totscene;
 528
 529         if(sce->set==NULL) return 1;
 530
 531         totscene= 0;
 532         for(scene= G.main->scene.first; scene; scene= scene->id.next)
 533                 totscene++;
 534
 535         for(a=0, scene=sce; scene->set; scene=scene->set, a++) {
 536                 /* more iterations than scenes means we have a cycle */
 537                 if(a > totscene) {
 538                         /* the tested scene gets zero'ed, that's typically current scene */
 539                         sce->set= NULL;
 540                         return 0;
 541                 }
 542         }
 543
 544         return 1;
 545 }
 546
 547 static void scene_update(Scene *sce, unsigned int lay)
 548 {
 549         Base *base;
 550         Object *ob;
 551
 552         if(sce->theDag==NULL)
 553                 DAG_scene_sort(sce);
 554
 555         DAG_scene_update_flags(sce, lay);   // only stuff that moves or needs display still
 556
 557         for(base= sce->base.first; base; base= base->next) {
 558                 ob= base->object;
 559
 560                 object_handle_update(ob);   // bke_object.h
 561
 562                 /* only update layer when an ipo */
 563                 if(ob->ipo && has_ipo_code(ob->ipo, OB_LAY) ) {
 564                         base->lay= ob->lay;
 565                 }
 566         }
 567 }
 568
 569 /* applies changes right away, does all sets too */
 570 void scene_update_for_newframe(Scene *sce, unsigned int lay)
 571 {
 572         Scene *scene= sce;
 573
 574         /* clears all BONE_UNKEYED flags for every pose's pchans */
 575         framechange_poses_clear_unkeyed();
 576
 577         /* object ipos are calculated in where_is_object */
 578         do_all_data_ipos();
 579 #ifndef DISABLE_PYTHON
 580         if (G.f & G_DOSCRIPTLINKS) BPY_do_all_scripts(SCRIPT_FRAMECHANGED, 0);
 581 #endif
 582         /* sets first, we allow per definition current scene to have dependencies on sets */
 583         for(sce= sce->set; sce; sce= sce->set)
 584                 scene_update(sce, lay);
 585
 586         scene_update(scene, lay);
 587 }
 588
 589 /* return default layer, also used to patch old files */
 590 void scene_add_render_layer(Scene *sce)
 591 {
 592         SceneRenderLayer *srl;
 593         int tot= 1 + BLI_countlist(&sce->r.layers);
 594
 595         srl= MEM_callocN(sizeof(SceneRenderLayer), "new render layer");
 596         sprintf(srl->name, "%d RenderLayer", tot);
 597         BLI_addtail(&sce->r.layers, srl);
 598
 599         /* note, this is also in render, pipeline.c, to make layer when scenedata doesnt have it */
 600         srl->lay= (1<<20) -1;
 601         srl->layflag= 0x7FFF;   /* solid ztra halo edge strand */
 602         srl->passflag= SCE_PASS_COMBINED|SCE_PASS_Z;
 603 }
 604
 605 /* Initialize 'permanent' sculpt data that is saved with file kept after
 606    switching out of sculptmode. */
 607 void sculptdata_init(Scene *sce)
 608 {
 609         SculptData *sd;
 610
 611         if(!sce)
 612                 return;
 613
 614         sd= &sce->sculptdata;
 615
 616         if(sd->cumap) {
 617                 curvemapping_free(sd->cumap);
 618                 sd->cumap = NULL;
 619         }
 620
 621         memset(sd, 0, sizeof(SculptData));
 622
 623         sd->drawbrush.size = sd->smoothbrush.size = sd->pinchbrush.size =
 624                 sd->inflatebrush.size = sd->grabbrush.size =
 625                 sd->layerbrush.size = sd->flattenbrush.size = 50;
 626         sd->drawbrush.strength = sd->smoothbrush.strength =
 627                 sd->pinchbrush.strength = sd->inflatebrush.strength =
 628                 sd->grabbrush.strength = sd->layerbrush.strength =
 629                 sd->flattenbrush.strength = 25;
 630         sd->drawbrush.dir = sd->pinchbrush.dir = sd->inflatebrush.dir = sd->layerbrush.dir= 1;
 631         sd->drawbrush.flag = sd->smoothbrush.flag =
 632                 sd->pinchbrush.flag = sd->inflatebrush.flag =
 633                 sd->layerbrush.flag = sd->flattenbrush.flag = 0;
 634         sd->drawbrush.view= 0;
 635         sd->brush_type= DRAW_BRUSH;
 636         sd->texact= -1;
 637         sd->texfade= 1;
 638         sd->averaging= 1;
 639         sd->texsep= 0;
 640         sd->texrept= SCULPTREPT_DRAG;
 641         sd->flags= SCULPT_DRAW_BRUSH;
 642         sd->tablet_size=3;
 643         sd->tablet_strength=10;
 644         sd->rake=0;
 645         sculpt_reset_curve(sd);
 646 }
 647
 648 void sculptdata_free(Scene *sce)
 649 {
 650         SculptData *sd= &sce->sculptdata;
 651         int a;
 652
 653         sculptsession_free(sce);
 654
 655         for(a=0; a<MAX_MTEX; a++) {
 656                 MTex *mtex= sd->mtex[a];
 657                 if(mtex) {
 658                         if(mtex->tex) mtex->tex->id.us--;
 659                         MEM_freeN(mtex);
 660                 }
 661         }
 662
 663         curvemapping_free(sd->cumap);
 664         sd->cumap = NULL;
 665 }
 666
 667 void sculpt_vertexusers_free(SculptSession *ss)
 668 {
 669         if(ss && ss->vertex_users){
 670                 MEM_freeN(ss->vertex_users);
 671                 MEM_freeN(ss->vertex_users_mem);
 672                 ss->vertex_users= NULL;
 673                 ss->vertex_users_mem= NULL;
 674                 ss->vertex_users_size= 0;
 675         }
 676 }
 677
 678 void sculptsession_free(Scene *sce)
 679 {
 680         SculptSession *ss= sce->sculptdata.session;
 681         if(ss) {
 682                 if(ss->projverts)
 683                         MEM_freeN(ss->projverts);
 684                 if(ss->mats)
 685                         MEM_freeN(ss->mats);
 686
 687                 if(ss->radialcontrol)
 688                         MEM_freeN(ss->radialcontrol);
 689
 690                 sculpt_vertexusers_free(ss);
 691                 if(ss->texcache)
 692                         MEM_freeN(ss->texcache);
 693                 MEM_freeN(ss);
 694                 sce->sculptdata.session= NULL;
 695         }
 696 }
 697
 698 /*  Default curve approximates 0.5 * (cos(pi * x) + 1), with 0 <= x <= 1 */
 699 void sculpt_reset_curve(SculptData *sd)
 700 {
 701         CurveMap *cm = NULL;
 702
 703         if(!sd->cumap)
 704                 sd->cumap = curvemapping_add(1, 0, 0, 1, 1);
 705
 706         cm = sd->cumap->cm;
 707
 708         if(cm->curve)
 709                 MEM_freeN(cm->curve);
 710         cm->curve= MEM_callocN(6*sizeof(CurveMapPoint), "curve points");
 711         cm->flag &= ~CUMA_EXTEND_EXTRAPOLATE;
 712         cm->totpoint= 6;
 713         cm->curve[0].x= 0;
 714         cm->curve[0].y= 1;
 715         cm->curve[1].x= 0.1;
 716         cm->curve[1].y= 0.97553;
 717         cm->curve[2].x= 0.3;
 718         cm->curve[2].y= 0.79389;
 719         cm->curve[3].x= 0.9;
 720         cm->curve[3].y= 0.02447;
 721         cm->curve[4].x= 0.7;
 722         cm->curve[4].y= 0.20611;
 723         cm->curve[5].x= 1;
 724         cm->curve[5].y= 0;
 725
 726         curvemapping_changed(sd->cumap, 0);
 727 }
 728
 729 /* render simplification */
 730
 731 int get_render_subsurf_level(RenderData *r, int lvl)
 732 {
 733         if(G.rt == 1 && (r->mode & R_SIMPLIFY))
 734                 return MIN2(r->simplify_subsurf, lvl);
 735         else
 736                 return lvl;
 737 }
 738
 739 int get_render_child_particle_number(RenderData *r, int num)
 740 {
 741         if(G.rt == 1 && (r->mode & R_SIMPLIFY))
 742                 return (int)(r->simplify_particles*num);
 743         else
 744                 return num;
 745 }
 746
 747 int get_render_shadow_samples(RenderData *r, int samples)
 748 {
 749         if(G.rt == 1 && (r->mode & R_SIMPLIFY) && samples > 0)
 750                 return MIN2(r->simplify_shadowsamples, samples);
 751         else
 752                 return samples;
 753 }
 754
 755 float get_render_aosss_error(RenderData *r, float error)
 756 {
 757         if(G.rt == 1 && (r->mode & R_SIMPLIFY))
 758                 return ((1.0f-r->simplify_aosss)*10.0f + 1.0f)*error;
 759         else
 760                 return error;
 761 }
 762