tools/quake3/q3map2/bsp.c

   1 /*
   2 Copyright (C) 1999-2007 id Software, Inc. and contributors.
   3 For a list of contributors, see the accompanying CONTRIBUTORS file.
   4
   5 This file is part of GtkRadiant.
   6
   7 GtkRadiant is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 2 of the License, or
  10 (at your option) any later version.
  11
  12 GtkRadiant is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with GtkRadiant; if not, write to the Free Software
  19 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  20
  21 ----------------------------------------------------------------------------------
  22
  23 This code has been altered significantly from its original form, to support
  24 several games based on the Quake III Arena engine, in the form of "Q3Map2."
  25
  26 ------------------------------------------------------------------------------- */
  27
  28
  29
  30 /* marker */
  31 #define BSP_C
  32
  33
  34
  35 /* dependencies */
  36 #include "q3map2.h"
  37
  38
  39
  40 /* -------------------------------------------------------------------------------
  41
  42 functions
  43
  44 ------------------------------------------------------------------------------- */
  45
  46
  47
  48 /*
  49 SetCloneModelNumbers() - ydnar
  50 sets the model numbers for brush entities
  51 */
  52
  53 static void SetCloneModelNumbers( void )
  54 {
  55         int                     i, j;
  56         int                     models;
  57         char            modelValue[ 10 ];
  58         const char      *value, *value2, *value3;
  59
  60
  61         /* start with 1 (worldspawn is model 0) */
  62         models = 1;
  63         for( i = 1; i < numEntities; i++ )
  64         {
  65                 /* only entities with brushes or patches get a model number */
  66                 if( entities[ i ].brushes == NULL && entities[ i ].patches == NULL )
  67                         continue;
  68
  69                 /* is this a clone? */
  70                 value = ValueForKey( &entities[ i ], "_clone" );
  71                 if( value[ 0 ] != '\0' )
  72                         continue;
  73
  74                 /* add the model key */
  75                 sprintf( modelValue, "*%d", models );
  76                 SetKeyValue( &entities[ i ], "model", modelValue );
  77
  78                 /* increment model count */
  79                 models++;
  80         }
  81
  82         /* fix up clones */
  83         for( i = 1; i < numEntities; i++ )
  84         {
  85                 /* only entities with brushes or patches get a model number */
  86                 if( entities[ i ].brushes == NULL && entities[ i ].patches == NULL )
  87                         continue;
  88
  89                 /* is this a clone? */
  90                 value = ValueForKey( &entities[ i ], "_ins" );
  91                 if( value[ 0 ] == '\0' )
  92                         value = ValueForKey( &entities[ i ], "_instance" );
  93                 if( value[ 0 ] == '\0' )
  94                         value = ValueForKey( &entities[ i ], "_clone" );
  95                 if( value[ 0 ] == '\0' )
  96                         continue;
  97
  98                 /* find an entity with matching clone name */
  99                 for( j = 0; j < numEntities; j++ )
 100                 {
 101                         /* is this a clone parent? */
 102                         value2 = ValueForKey( &entities[ j ], "_clonename" );
 103                         if( value2[ 0 ] == '\0' )
 104                                 continue;
 105
 106                         /* do they match? */
 107                         if( strcmp( value, value2 ) == 0 )
 108                         {
 109                                 /* get the model num */
 110                                 value3 = ValueForKey( &entities[ j ], "model" );
 111                                 if( value3[ 0 ] == '\0' )
 112                                 {
 113                                         Sys_Printf( "WARNING: Cloned entity %s referenced entity without model\n", value2 );
 114                                         continue;
 115                                 }
 116                                 models = atoi( &value2[ 1 ] );
 117
 118                                 /* add the model key */
 119                                 sprintf( modelValue, "*%d", models );
 120                                 SetKeyValue( &entities[ i ], "model", modelValue );
 121
 122                                 /* nuke the brushes/patches for this entity (fixme: leak!) */
 123                                 entities[ i ].brushes = NULL;
 124                                 entities[ i ].patches = NULL;
 125                         }
 126                 }
 127         }
 128 }
 129
 130
 131
 132 /*
 133 FixBrushSides() - ydnar
 134 matches brushsides back to their appropriate drawsurface and shader
 135 */
 136
 137 static void FixBrushSides( entity_t *e )
 138 {
 139         int                                     i;
 140         mapDrawSurface_t        *ds;
 141         sideRef_t                       *sideRef;
 142         bspBrushSide_t          *side;
 143
 144
 145         /* note it */
 146         Sys_FPrintf( SYS_VRB, "--- FixBrushSides ---\n" );
 147
 148         /* walk list of drawsurfaces */
 149         for( i = e->firstDrawSurf; i < numMapDrawSurfs; i++ )
 150         {
 151                 /* get surface and try to early out */
 152                 ds = &mapDrawSurfs[ i ];
 153                 if( ds->outputNum < 0 )
 154                         continue;
 155
 156                 /* walk sideref list */
 157                 for( sideRef = ds->sideRef; sideRef != NULL; sideRef = sideRef->next )
 158                 {
 159                         /* get bsp brush side */
 160                         if( sideRef->side == NULL || sideRef->side->outputNum < 0 )
 161                                 continue;
 162                         side = &bspBrushSides[ sideRef->side->outputNum ];
 163
 164                         /* set drawsurface */
 165                         side->surfaceNum = ds->outputNum;
 166                         //%     Sys_FPrintf( SYS_VRB, "DS: %7d Side: %7d     ", ds->outputNum, sideRef->side->outputNum );
 167
 168                         /* set shader */
 169                         if( strcmp( bspShaders[ side->shaderNum ].shader, ds->shaderInfo->shader ) )
 170                         {
 171                                 //%     Sys_FPrintf( SYS_VRB, "Remapping %s to %s\n", bspShaders[ side->shaderNum ].shader, ds->shaderInfo->shader );
 172                                 side->shaderNum = EmitShader( ds->shaderInfo->shader, &ds->shaderInfo->contentFlags, &ds->shaderInfo->surfaceFlags );
 173                         }
 174                 }
 175         }
 176 }
 177
 178
 179
 180 /*
 181 ProcessWorldModel()
 182 creates a full bsp + surfaces for the worldspawn entity
 183 */
 184
 185 void ProcessWorldModel( void )
 186 {
 187         int                     i, s;
 188         entity_t        *e;
 189         tree_t          *tree;
 190         face_t          *faces;
 191         qboolean        ignoreLeaks, leaked;
 192         xmlNodePtr      polyline, leaknode;
 193         char            level[ 2 ], shader[ 1024 ];
 194         const char      *value;
 195
 196
 197         /* sets integer blockSize from worldspawn "_blocksize" key if it exists */
 198         value = ValueForKey( &entities[ 0 ], "_blocksize" );
 199         if( value[ 0 ] == '\0' )
 200                 value = ValueForKey( &entities[ 0 ], "blocksize" );
 201         if( value[ 0 ] == '\0' )
 202                 value = ValueForKey( &entities[ 0 ], "chopsize" );      /* sof2 */
 203         if( value[ 0 ] != '\0' )
 204         {
 205                 /* scan 3 numbers */
 206                 s = sscanf( value, "%d %d %d", &blockSize[ 0 ], &blockSize[ 1 ], &blockSize[ 2 ] );
 207
 208                 /* handle legacy case */
 209                 if( s == 1 )
 210                 {
 211                         blockSize[ 1 ] = blockSize[ 0 ];
 212                         blockSize[ 2 ] = blockSize[ 0 ];
 213                 }
 214         }
 215         Sys_Printf( "block size = { %d %d %d }\n", blockSize[ 0 ], blockSize[ 1 ], blockSize[ 2 ] );
 216
 217         /* sof2: ignore leaks? */
 218         value = ValueForKey( &entities[ 0 ], "_ignoreleaks" );  /* ydnar */
 219         if( value[ 0 ] == '\0' )
 220                 value = ValueForKey( &entities[ 0 ], "ignoreleaks" );
 221         if( value[ 0 ] == '1' )
 222                 ignoreLeaks = qtrue;
 223         else
 224                 ignoreLeaks = qfalse;
 225
 226         /* begin worldspawn model */
 227         BeginModel();
 228         e = &entities[ 0 ];
 229         e->firstDrawSurf = 0;
 230
 231         /* ydnar: gs mods */
 232         ClearMetaTriangles();
 233
 234         /* check for patches with adjacent edges that need to lod together */
 235         PatchMapDrawSurfs( e );
 236
 237         /* build an initial bsp tree using all of the sides of all of the structural brushes */
 238         faces = MakeStructuralBSPFaceList( entities[ 0 ].brushes );
 239         tree = FaceBSP( faces );
 240         MakeTreePortals( tree );
 241         FilterStructuralBrushesIntoTree( e, tree );
 242
 243         /* see if the bsp is completely enclosed */
 244         if( FloodEntities( tree ) || ignoreLeaks )
 245         {
 246                 /* rebuild a better bsp tree using only the sides that are visible from the inside */
 247                 FillOutside( tree->headnode );
 248
 249                 /* chop the sides to the convex hull of their visible fragments, giving us the smallest polygons */
 250                 ClipSidesIntoTree( e, tree );
 251
 252                 /* build a visible face tree */
 253                 faces = MakeVisibleBSPFaceList( entities[ 0 ].brushes );
 254                 FreeTree( tree );
 255                 tree = FaceBSP( faces );
 256                 MakeTreePortals( tree );
 257                 FilterStructuralBrushesIntoTree( e, tree );
 258                 leaked = qfalse;
 259
 260                 /* ydnar: flood again for skybox */
 261                 if( skyboxPresent )
 262                         FloodEntities( tree );
 263         }
 264         else
 265         {
 266                 Sys_FPrintf( SYS_NOXML, "**********************\n" );
 267                 Sys_FPrintf( SYS_NOXML, "******* leaked *******\n" );
 268                 Sys_FPrintf( SYS_NOXML, "**********************\n" );
 269                 polyline = LeakFile( tree );
 270                 leaknode = xmlNewNode( NULL, "message" );
 271                 xmlNodeSetContent( leaknode, "MAP LEAKED\n" );
 272                 xmlAddChild( leaknode, polyline );
 273                 level[0] = (int) '0' + SYS_ERR;
 274                 level[1] = 0;
 275                 xmlSetProp( leaknode, "level", (char*) &level );
 276                 xml_SendNode( leaknode );
 277                 if( leaktest )
 278                 {
 279                         Sys_Printf ("--- MAP LEAKED, ABORTING LEAKTEST ---\n");
 280                         exit( 0 );
 281                 }
 282                 leaked = qtrue;
 283
 284                 /* chop the sides to the convex hull of their visible fragments, giving us the smallest polygons */
 285                 ClipSidesIntoTree( e, tree );
 286         }
 287
 288         /* save out information for visibility processing */
 289         NumberClusters( tree );
 290         if( !leaked )
 291                 WritePortalFile( tree );
 292
 293         /* flood from entities */
 294         FloodAreas( tree );
 295
 296         /* create drawsurfs for triangle models */
 297         AddTriangleModels( e );
 298
 299         /* create drawsurfs for surface models */
 300         AddEntitySurfaceModels( e );
 301
 302         /* generate bsp brushes from map brushes */
 303         EmitBrushes( e->brushes, &e->firstBrush, &e->numBrushes );
 304
 305         /* add references to the detail brushes */
 306         FilterDetailBrushesIntoTree( e, tree );
 307
 308         /* drawsurfs that cross fog boundaries will need to be split along the fog boundary */
 309         if( !nofog )
 310                 FogDrawSurfaces( e );
 311
 312         /* subdivide each drawsurf as required by shader tesselation */
 313         if( !nosubdivide )
 314                 SubdivideFaceSurfaces( e, tree );
 315
 316         /* add in any vertexes required to fix t-junctions */
 317         if( !notjunc )
 318                 FixTJunctions( e );
 319
 320         /* ydnar: classify the surfaces */
 321         ClassifyEntitySurfaces( e );
 322
 323         /* ydnar: project decals */
 324         MakeEntityDecals( e );
 325
 326         /* ydnar: meta surfaces */
 327         MakeEntityMetaTriangles( e );
 328         SmoothMetaTriangles();
 329         FixMetaTJunctions();
 330         MergeMetaTriangles();
 331
 332         /* ydnar: debug portals */
 333         if( debugPortals )
 334                 MakeDebugPortalSurfs( tree );
 335
 336         /* ydnar: fog hull */
 337         value = ValueForKey( &entities[ 0 ], "_foghull" );
 338         if( value[ 0 ] != '\0' )
 339         {
 340                 sprintf( shader, "textures/%s", value );
 341                 MakeFogHullSurfs( e, tree, shader );
 342         }
 343
 344         /* ydnar: bug 645: do flares for lights */
 345         for( i = 0; i < numEntities && emitFlares; i++ )
 346         {
 347                 entity_t        *light, *target;
 348                 const char      *value, *flareShader;
 349                 vec3_t          origin, targetOrigin, normal, color;
 350                 int                     lightStyle;
 351
 352
 353                 /* get light */
 354                 light = &entities[ i ];
 355                 value = ValueForKey( light, "classname" );
 356                 if( !strcmp( value, "light" ) )
 357                 {
 358                         /* get flare shader */
 359                         flareShader = ValueForKey( light, "_flareshader" );
 360                         value = ValueForKey( light, "_flare" );
 361                         if( flareShader[ 0 ] != '\0' || value[ 0 ] != '\0' )
 362                         {
 363                                 /* get specifics */
 364                                 GetVectorForKey( light, "origin", origin );
 365                                 GetVectorForKey( light, "_color", color );
 366                                 lightStyle = IntForKey( light, "_style" );
 367                                 if( lightStyle == 0 )
 368                                         lightStyle = IntForKey( light, "style" );
 369
 370                                 /* handle directional spotlights */
 371                                 value = ValueForKey( light, "target" );
 372                                 if( value[ 0 ] != '\0' )
 373                                 {
 374                                         /* get target light */
 375                                         target = FindTargetEntity( value );
 376                                         if( target != NULL )
 377                                         {
 378                                                 GetVectorForKey( target, "origin", targetOrigin );
 379                                                 VectorSubtract( targetOrigin, origin, normal );
 380                                                 VectorNormalize( normal, normal );
 381                                         }
 382                                 }
 383                                 else
 384                                         //%     VectorClear( normal );
 385                                         VectorSet( normal, 0, 0, -1 );
 386
 387                                 /* create the flare surface (note shader defaults automatically) */
 388                                 DrawSurfaceForFlare( mapEntityNum, origin, normal, color, (char*) flareShader, lightStyle );
 389                         }
 390                 }
 391         }
 392
 393         /* add references to the final drawsurfs in the apropriate clusters */
 394         FilterDrawsurfsIntoTree( e, tree );
 395
 396         /* match drawsurfaces back to original brushsides (sof2) */
 397         FixBrushSides( e );
 398
 399         /* finish */
 400         EndModel( e, tree->headnode );
 401         FreeTree( tree );
 402 }
 403
 404
 405
 406 /*
 407 ProcessSubModel()
 408 creates bsp + surfaces for other brush models
 409 */
 410
 411 void ProcessSubModel( void )
 412 {
 413         entity_t        *e;
 414         tree_t          *tree;
 415         brush_t         *b, *bc;
 416         node_t          *node;
 417
 418
 419         /* start a brush model */
 420         BeginModel();
 421         e = &entities[ mapEntityNum ];
 422         e->firstDrawSurf = numMapDrawSurfs;
 423
 424         /* ydnar: gs mods */
 425         ClearMetaTriangles();
 426
 427         /* check for patches with adjacent edges that need to lod together */
 428         PatchMapDrawSurfs( e );
 429
 430         /* allocate a tree */
 431         node = AllocNode();
 432         node->planenum = PLANENUM_LEAF;
 433         tree = AllocTree();
 434         tree->headnode = node;
 435
 436         /* add the sides to the tree */
 437         ClipSidesIntoTree( e, tree );
 438
 439         /* ydnar: create drawsurfs for triangle models */
 440         AddTriangleModels( e );
 441
 442         /* create drawsurfs for surface models */
 443         AddEntitySurfaceModels( e );
 444
 445         /* generate bsp brushes from map brushes */
 446         EmitBrushes( e->brushes, &e->firstBrush, &e->numBrushes );
 447
 448         /* just put all the brushes in headnode */
 449         for( b = e->brushes; b; b = b->next )
 450         {
 451                 bc = CopyBrush( b );
 452                 bc->next = node->brushlist;
 453                 node->brushlist = bc;
 454         }
 455
 456         /* subdivide each drawsurf as required by shader tesselation */
 457         if( !nosubdivide )
 458                 SubdivideFaceSurfaces( e, tree );
 459
 460         /* add in any vertexes required to fix t-junctions */
 461         if( !notjunc )
 462                 FixTJunctions( e );
 463
 464         /* ydnar: classify the surfaces and project lightmaps */
 465         ClassifyEntitySurfaces( e );
 466
 467         /* ydnar: project decals */
 468         MakeEntityDecals( e );
 469
 470         /* ydnar: meta surfaces */
 471         MakeEntityMetaTriangles( e );
 472         SmoothMetaTriangles();
 473         FixMetaTJunctions();
 474         MergeMetaTriangles();
 475
 476         /* add references to the final drawsurfs in the apropriate clusters */
 477         FilterDrawsurfsIntoTree( e, tree );
 478
 479         /* match drawsurfaces back to original brushsides (sof2) */
 480         FixBrushSides( e );
 481
 482         /* finish */
 483         EndModel( e, node );
 484         FreeTree( tree );
 485 }
 486
 487
 488
 489 /*
 490 ProcessModels()
 491 process world + other models into the bsp
 492 */
 493
 494 void ProcessModels( void )
 495 {
 496         qboolean        oldVerbose;
 497         entity_t        *entity;
 498
 499
 500         /* preserve -v setting */
 501         oldVerbose = verbose;
 502
 503         /* start a new bsp */
 504         BeginBSPFile();
 505
 506         /* create map fogs */
 507         CreateMapFogs();
 508
 509         /* walk entity list */
 510         for( mapEntityNum = 0; mapEntityNum < numEntities; mapEntityNum++ )
 511         {
 512                 /* get entity */
 513                 entity = &entities[ mapEntityNum ];
 514                 if( entity->brushes == NULL && entity->patches == NULL )
 515                         continue;
 516
 517                 /* process the model */
 518                 Sys_FPrintf( SYS_VRB, "############### model %i ###############\n", numBSPModels );
 519                 if( mapEntityNum == 0 )
 520                         ProcessWorldModel();
 521                 else
 522                         ProcessSubModel();
 523
 524                 /* potentially turn off the deluge of text */
 525                 verbose = verboseEntities;
 526         }
 527
 528         /* restore -v setting */
 529         verbose = oldVerbose;
 530
 531         /* write fogs */
 532         EmitFogs();
 533 }
 534
 535
 536
 537 /*
 538 OnlyEnts()
 539 this is probably broken unless teamed with a radiant version that preserves entity order
 540 */
 541
 542 void OnlyEnts( void )
 543 {
 544         char out[ 1024 ];
 545
 546
 547         /* note it */
 548         Sys_Printf( "--- OnlyEnts ---\n" );
 549
 550         sprintf( out, "%s.bsp", source );
 551         LoadBSPFile( out );
 552         numEntities = 0;
 553
 554         LoadShaderInfo();
 555         LoadMapFile( name, qfalse );
 556         SetModelNumbers();
 557         SetLightStyles();
 558
 559         numBSPEntities = numEntities;
 560         UnparseEntities();
 561
 562         WriteBSPFile( out );
 563 }
 564
 565
 566
 567 /*
 568 BSPMain() - ydnar
 569 handles creation of a bsp from a map file
 570 */
 571
 572 int BSPMain( int argc, char **argv )
 573 {
 574         int                     i;
 575         char            path[ 1024 ], tempSource[ 1024 ];
 576         qboolean        onlyents = qfalse;
 577
 578
 579         /* note it */
 580         Sys_Printf( "--- BSP ---\n" );
 581
 582         SetDrawSurfacesBuffer();
 583         mapDrawSurfs = safe_malloc( sizeof( mapDrawSurface_t ) * MAX_MAP_DRAW_SURFS );
 584         memset( mapDrawSurfs, 0, sizeof( mapDrawSurface_t ) * MAX_MAP_DRAW_SURFS );
 585         numMapDrawSurfs = 0;
 586
 587         tempSource[ 0 ] = '\0';
 588
 589         /* set flares flag */
 590         emitFlares = game->emitFlares;
 591
 592         /* process arguments */
 593         for( i = 1; i < (argc - 1); i++ )
 594         {
 595                 if( !strcmp( argv[ i ], "-onlyents" ) )
 596                 {
 597                         Sys_Printf( "Running entity-only compile\n" );
 598                         onlyents = qtrue;
 599                 }
 600                 else if( !strcmp( argv[ i ], "-tempname" ) )
 601                         strcpy( tempSource, argv[ ++i ] );
 602                 else if( !strcmp( argv[ i ], "-tmpout" ) )
 603                         strcpy( outbase, "/tmp" );
 604                 else if( !strcmp( argv[ i ],  "-nowater" ) )
 605                 {
 606                         Sys_Printf( "Disabling water\n" );
 607                         nowater = qtrue;
 608                 }
 609                 else if( !strcmp( argv[ i ],  "-nodetail" ) )
 610                 {
 611                         Sys_Printf( "Ignoring detail brushes\n") ;
 612                         nodetail = qtrue;
 613                 }
 614                 else if( !strcmp( argv[ i ],  "-fulldetail" ) )
 615                 {
 616                         Sys_Printf( "Turning detail brushes into structural brushes\n" );
 617                         fulldetail = qtrue;
 618                 }
 619                 else if( !strcmp( argv[ i ],  "-nofog" ) )
 620                 {
 621                         Sys_Printf( "Fog volumes disabled\n" );
 622                         nofog = qtrue;
 623                 }
 624                 else if( !strcmp( argv[ i ],  "-nosubdivide" ) )
 625                 {
 626                         Sys_Printf( "Disabling brush face subdivision\n" );
 627                         nosubdivide = qtrue;
 628                 }
 629                 else if( !strcmp( argv[ i ],  "-leaktest" ) )
 630                 {
 631                         Sys_Printf( "Leaktest enabled\n" );
 632                         leaktest = qtrue;
 633                 }
 634                 else if( !strcmp( argv[ i ],  "-verboseentities" ) )
 635                 {
 636                         Sys_Printf( "Verbose entities enabled\n" );
 637                         verboseEntities = qtrue;
 638                 }
 639                 else if( !strcmp( argv[ i ], "-nocurves" ) )
 640                 {
 641                         Sys_Printf( "Ignoring curved surfaces (patches)\n" );
 642                         noCurveBrushes = qtrue;
 643                 }
 644                 else if( !strcmp( argv[ i ], "-notjunc" ) )
 645                 {
 646                         Sys_Printf( "T-junction fixing disabled\n" );
 647                         notjunc = qtrue;
 648                 }
 649                 else if( !strcmp( argv[ i ], "-fakemap" ) )
 650                 {
 651                         Sys_Printf( "Generating fakemap.map\n" );
 652                         fakemap = qtrue;
 653                 }
 654                 else if( !strcmp( argv[ i ],  "-samplesize" ) )
 655                 {
 656                         sampleSize = atoi( argv[ i + 1 ] );
 657                         if( sampleSize < 1 )
 658                                 sampleSize = 1;
 659                         i++;
 660                         Sys_Printf( "Lightmap sample size set to %dx%d units\n", sampleSize, sampleSize );
 661                 }
 662                 else if( !strcmp( argv[ i ],  "-custinfoparms") )
 663                 {
 664                         Sys_Printf( "Custom info parms enabled\n" );
 665                         useCustomInfoParms = qtrue;
 666                 }
 667
 668                 /* sof2 args */
 669                 else if( !strcmp( argv[ i ], "-rename" ) )
 670                 {
 671                         Sys_Printf( "Appending _bsp suffix to misc_model shaders (SOF2)\n" );
 672                         renameModelShaders = qtrue;
 673                 }
 674
 675                 /* ydnar args */
 676                 else if( !strcmp( argv[ i ],  "-ne" ) )
 677                 {
 678                         normalEpsilon = atof( argv[ i + 1 ] );
 679                         i++;
 680                         Sys_Printf( "Normal epsilon set to %f\n", normalEpsilon );
 681                 }
 682                 else if( !strcmp( argv[ i ],  "-de" ) )
 683                 {
 684                         distanceEpsilon = atof( argv[ i + 1 ] );
 685                         i++;
 686                         Sys_Printf( "Distance epsilon set to %f\n", distanceEpsilon );
 687                 }
 688                 else if( !strcmp( argv[ i ],  "-mv" ) )
 689                 {
 690                         maxSurfaceVerts = atoi( argv[ i + 1 ] );
 691                         if( maxSurfaceVerts < 3 )
 692                                 maxSurfaceVerts = 3;
 693                         i++;
 694                         Sys_Printf( "Maximum per-surface vertex count set to %d\n", maxSurfaceVerts );
 695                 }
 696                 else if( !strcmp( argv[ i ],  "-mi" ) )
 697                 {
 698                         maxSurfaceIndexes = atoi( argv[ i + 1 ] );
 699                         if( maxSurfaceIndexes < 3 )
 700                                 maxSurfaceIndexes = 3;
 701                         i++;
 702                         Sys_Printf( "Maximum per-surface index count set to %d\n", maxSurfaceIndexes );
 703                 }
 704                 else if( !strcmp( argv[ i ], "-np" ) )
 705                 {
 706                         npDegrees = atof( argv[ i + 1 ] );
 707                         if( npDegrees < 0.0f )
 708                                 shadeAngleDegrees = 0.0f;
 709                         else if( npDegrees > 0.0f )
 710                                 Sys_Printf( "Forcing nonplanar surfaces with a breaking angle of %f degrees\n", npDegrees );
 711                         i++;
 712                 }
 713                 else if( !strcmp( argv[ i ],  "-snap" ) )
 714                 {
 715                         bevelSnap = atoi( argv[ i + 1 ]);
 716                         if( bevelSnap < 0 )
 717                                 bevelSnap = 0;
 718                         i++;
 719                         if( bevelSnap > 0 )
 720                                 Sys_Printf( "Snapping brush bevel planes to %d units\n", bevelSnap );
 721                 }
 722                 else if( !strcmp( argv[ i ],  "-texrange" ) )
 723                 {
 724                         texRange = atoi( argv[ i + 1 ]);
 725                         if( texRange < 0 )
 726                                 texRange = 0;
 727                         i++;
 728                         Sys_Printf( "Limiting per-surface texture range to %d texels\n", texRange );
 729                 }
 730                 else if( !strcmp( argv[ i ], "-nohint" ) )
 731                 {
 732                         Sys_Printf( "Hint brushes disabled\n" );
 733                         noHint = qtrue;
 734                 }
 735                 else if( !strcmp( argv[ i ], "-flat" ) )
 736                 {
 737                         Sys_Printf( "Flatshading enabled\n" );
 738                         flat = qtrue;
 739                 }
 740                 else if( !strcmp( argv[ i ], "-meta" ) )
 741                 {
 742                         Sys_Printf( "Creating meta surfaces from brush faces\n" );
 743                         meta = qtrue;
 744                 }
 745                 else if( !strcmp( argv[ i ], "-patchmeta" ) )
 746                 {
 747                         Sys_Printf( "Creating meta surfaces from patches\n" );
 748                         patchMeta = qtrue;
 749                 }
 750                 else if( !strcmp( argv[ i ], "-flares" ) )
 751                 {
 752                         Sys_Printf( "Flare surfaces enabled\n" );
 753                         emitFlares = qtrue;
 754                 }
 755                 else if( !strcmp( argv[ i ], "-noflares" ) )
 756                 {
 757                         Sys_Printf( "Flare surfaces disabled\n" );
 758                         emitFlares = qfalse;
 759                 }
 760                 else if( !strcmp( argv[ i ], "-skyfix" ) )
 761                 {
 762                         Sys_Printf( "GL_CLAMP sky fix/hack/workaround enabled\n" );
 763                         skyFixHack = qtrue;
 764                 }
 765                 else if( !strcmp( argv[ i ], "-debugsurfaces" ) )
 766                 {
 767                         Sys_Printf( "emitting debug surfaces\n" );
 768                         debugSurfaces = qtrue;
 769                 }
 770                 else if( !strcmp( argv[ i ], "-debuginset" ) )
 771                 {
 772                         Sys_Printf( "Debug surface triangle insetting enabled\n" );
 773                         debugInset = qtrue;
 774                 }
 775                 else if( !strcmp( argv[ i ], "-debugportals" ) )
 776                 {
 777                         Sys_Printf( "Debug portal surfaces enabled\n" );
 778                         debugPortals = qtrue;
 779                 }
 780                 else if( !strcmp( argv[ i ], "-bsp" ) )
 781                         Sys_Printf( "-bsp argument unnecessary\n" );
 782                 else
 783                         Sys_Printf( "WARNING: Unknown option \"%s\"\n", argv[ i ] );
 784         }
 785
 786         /* fixme: print more useful usage here */
 787         if( i != (argc - 1) )
 788                 Error( "usage: q3map [options] mapfile" );
 789
 790         /* copy source name */
 791         strcpy( source, ExpandArg( argv[ i ] ) );
 792         StripExtension( source );
 793
 794         /* ydnar: set default sample size */
 795         SetDefaultSampleSize( sampleSize );
 796
 797         /* delete portal, line and surface files */
 798         sprintf( path, "%s.prt", source );
 799         remove( path );
 800         sprintf( path, "%s.lin", source );
 801         remove( path );
 802         //%     sprintf( path, "%s.srf", source );      /* ydnar */
 803         //%     remove( path );
 804
 805         /* expand mapname */
 806         strcpy( name, ExpandArg( argv[ i ] ) );
 807         if( strcmp( name + strlen( name ) - 4, ".reg" ) )
 808         {
 809                 /* if we are doing a full map, delete the last saved region map */
 810                 sprintf( path, "%s.reg", source );
 811                 remove( path );
 812                 DefaultExtension( name, ".map" );       /* might be .reg */
 813         }
 814
 815         /* if onlyents, just grab the entites and resave */
 816         if( onlyents )
 817         {
 818                 OnlyEnts();
 819                 return 0;
 820         }
 821
 822         /* load shaders */
 823         LoadShaderInfo();
 824
 825         /* load original file from temp spot in case it was renamed by the editor on the way in */
 826         if( strlen( tempSource ) > 0 )
 827                 LoadMapFile( tempSource, qfalse );
 828         else
 829                 LoadMapFile( name, qfalse );
 830
 831         /* ydnar: decal setup */
 832         ProcessDecals();
 833
 834         /* ydnar: cloned brush model entities */
 835         SetCloneModelNumbers();
 836
 837         /* process world and submodels */
 838         ProcessModels();
 839
 840         /* set light styles from targetted light entities */
 841         SetLightStyles();
 842
 843         /* finish and write bsp */
 844         EndBSPFile();
 845
 846         /* remove temp map source file if appropriate */
 847         if( strlen( tempSource ) > 0)
 848                 remove( tempSource );
 849
 850         /* return to sender */
 851         return 0;
 852 }
 853