tools/quake3/q3map2/bsp.c

   1 /* -------------------------------------------------------------------------------
   2
   3 Copyright (C) 1999-2006 Id Software, Inc. and contributors.
   4 For a list of contributors, see the accompanying CONTRIBUTORS file.
   5
   6 This file is part of GtkRadiant.
   7
   8 GtkRadiant is free software; you can redistribute it and/or modify
   9 it under the terms of the GNU General Public License as published by
  10 the Free Software Foundation; either version 2 of the License, or
  11 (at your option) any later version.
  12
  13 GtkRadiant 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 GtkRadiant; if not, write to the Free Software
  20 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  21
  22 ----------------------------------------------------------------------------------
  23
  24 This code has been altered significantly from its original form, to support
  25 several games based on the Quake III Arena engine, in the form of "Q3Map2."
  26
  27 ------------------------------------------------------------------------------- */
  28
  29
  30
  31 /* marker */
  32 #define BSP_C
  33
  34
  35
  36 /* dependencies */
  37 #include "q3map2.h"
  38
  39
  40
  41 /* -------------------------------------------------------------------------------
  42
  43 functions
  44
  45 ------------------------------------------------------------------------------- */
  46
  47
  48
  49 /*
  50 SetCloneModelNumbers() - ydnar
  51 sets the model numbers for brush entities
  52 */
  53
  54 static void SetCloneModelNumbers( void )
  55 {
  56         int                     i, j;
  57         int                     models;
  58         char            modelValue[ 10 ];
  59         const char      *value, *value2, *value3;
  60
  61
  62         /* start with 1 (worldspawn is model 0) */
  63         models = 1;
  64         for( i = 1; i < numEntities; i++ )
  65         {
  66                 /* only entities with brushes or patches get a model number */
  67                 if( entities[ i ].brushes == NULL && entities[ i ].patches == NULL )
  68                         continue;
  69
  70                 /* is this a clone? */
  71                 value = ValueForKey( &entities[ i ], "_clone" );
  72                 if( value[ 0 ] != '\0' )
  73                         continue;
  74
  75                 /* add the model key */
  76                 sprintf( modelValue, "*%d", models );
  77                 SetKeyValue( &entities[ i ], "model", modelValue );
  78
  79                 /* increment model count */
  80                 models++;
  81         }
  82
  83         /* fix up clones */
  84         for( i = 1; i < numEntities; i++ )
  85         {
  86                 /* only entities with brushes or patches get a model number */
  87                 if( entities[ i ].brushes == NULL && entities[ i ].patches == NULL )
  88                         continue;
  89
  90                 /* is this a clone? */
  91                 value = ValueForKey( &entities[ i ], "_ins" );
  92                 if( value[ 0 ] == '\0' )
  93                         value = ValueForKey( &entities[ i ], "_instance" );
  94                 if( value[ 0 ] == '\0' )
  95                         value = ValueForKey( &entities[ i ], "_clone" );
  96                 if( value[ 0 ] == '\0' )
  97                         continue;
  98
  99                 /* find an entity with matching clone name */
 100                 for( j = 0; j < numEntities; j++ )
 101                 {
 102                         /* is this a clone parent? */
 103                         value2 = ValueForKey( &entities[ j ], "_clonename" );
 104                         if( value2[ 0 ] == '\0' )
 105                                 continue;
 106
 107                         /* do they match? */
 108                         if( strcmp( value, value2 ) == 0 )
 109                         {
 110                                 /* get the model num */
 111                                 value3 = ValueForKey( &entities[ j ], "model" );
 112                                 if( value3[ 0 ] == '\0' )
 113                                 {
 114                                         Sys_Printf( "WARNING: Cloned entity %s referenced entity without model\n", value2 );
 115                                         continue;
 116                                 }
 117                                 models = atoi( &value2[ 1 ] );
 118
 119                                 /* add the model key */
 120                                 sprintf( modelValue, "*%d", models );
 121                                 SetKeyValue( &entities[ i ], "model", modelValue );
 122
 123                                 /* nuke the brushes/patches for this entity (fixme: leak!) */
 124                                 entities[ i ].brushes = NULL;
 125                                 entities[ i ].patches = NULL;
 126                         }
 127                 }
 128         }
 129 }
 130
 131
 132
 133 /*
 134 FixBrushSides() - ydnar
 135 matches brushsides back to their appropriate drawsurface and shader
 136 */
 137
 138 static void FixBrushSides( entity_t *e )
 139 {
 140         int                                     i;
 141         mapDrawSurface_t        *ds;
 142         sideRef_t                       *sideRef;
 143         bspBrushSide_t          *side;
 144
 145
 146         /* note it */
 147         Sys_FPrintf( SYS_VRB, "--- FixBrushSides ---\n" );
 148
 149         /* walk list of drawsurfaces */
 150         for( i = e->firstDrawSurf; i < numMapDrawSurfs; i++ )
 151         {
 152                 /* get surface and try to early out */
 153                 ds = &mapDrawSurfs[ i ];
 154                 if( ds->outputNum < 0 )
 155                         continue;
 156
 157                 /* walk sideref list */
 158                 for( sideRef = ds->sideRef; sideRef != NULL; sideRef = sideRef->next )
 159                 {
 160                         /* get bsp brush side */
 161                         if( sideRef->side == NULL || sideRef->side->outputNum < 0 )
 162                                 continue;
 163                         side = &bspBrushSides[ sideRef->side->outputNum ];
 164
 165                         /* set drawsurface */
 166                         side->surfaceNum = ds->outputNum;
 167                         //%     Sys_FPrintf( SYS_VRB, "DS: %7d Side: %7d     ", ds->outputNum, sideRef->side->outputNum );
 168
 169                         /* set shader */
 170                         if( strcmp( bspShaders[ side->shaderNum ].shader, ds->shaderInfo->shader ) )
 171                         {
 172                                 //%     Sys_FPrintf( SYS_VRB, "Remapping %s to %s\n", bspShaders[ side->shaderNum ].shader, ds->shaderInfo->shader );
 173                                 side->shaderNum = EmitShader( ds->shaderInfo->shader, &ds->shaderInfo->contentFlags, &ds->shaderInfo->surfaceFlags );
 174                         }
 175                 }
 176         }
 177 }
 178
 179
 180
 181 /*
 182 ProcessWorldModel()
 183 creates a full bsp + surfaces for the worldspawn entity
 184 */
 185
 186 void ProcessWorldModel( void )
 187 {
 188         int                     i, s;
 189         entity_t        *e;
 190         tree_t          *tree;
 191         face_t          *faces;
 192         qboolean        ignoreLeaks, leaked;
 193         xmlNodePtr      polyline, leaknode;
 194         char            level[ 2 ], shader[ 1024 ];
 195         const char      *value;
 196
 197
 198         /* sets integer blockSize from worldspawn "_blocksize" key if it exists */
 199         value = ValueForKey( &entities[ 0 ], "_blocksize" );
 200         if( value[ 0 ] == '\0' )
 201                 value = ValueForKey( &entities[ 0 ], "blocksize" );
 202         if( value[ 0 ] == '\0' )
 203                 value = ValueForKey( &entities[ 0 ], "chopsize" );      /* sof2 */
 204         if( value[ 0 ] != '\0' )
 205         {
 206                 /* scan 3 numbers */
 207                 s = sscanf( value, "%d %d %d", &blockSize[ 0 ], &blockSize[ 1 ], &blockSize[ 2 ] );
 208
 209                 /* handle legacy case */
 210                 if( s == 1 )
 211                 {
 212                         blockSize[ 1 ] = blockSize[ 0 ];
 213                         blockSize[ 2 ] = blockSize[ 0 ];
 214                 }
 215         }
 216         Sys_Printf( "block size = { %d %d %d }\n", blockSize[ 0 ], blockSize[ 1 ], blockSize[ 2 ] );
 217
 218         /* sof2: ignore leaks? */
 219         value = ValueForKey( &entities[ 0 ], "_ignoreleaks" );  /* ydnar */
 220         if( value[ 0 ] == '\0' )
 221                 value = ValueForKey( &entities[ 0 ], "ignoreleaks" );
 222         if( value[ 0 ] == '1' )
 223                 ignoreLeaks = qtrue;
 224         else
 225                 ignoreLeaks = qfalse;
 226
 227         /* begin worldspawn model */
 228         BeginModel();
 229         e = &entities[ 0 ];
 230         e->firstDrawSurf = 0;
 231
 232         /* ydnar: gs mods */
 233         ClearMetaTriangles();
 234
 235         /* check for patches with adjacent edges that need to lod together */
 236         PatchMapDrawSurfs( e );
 237
 238         /* build an initial bsp tree using all of the sides of all of the structural brushes */
 239         faces = MakeStructuralBSPFaceList( entities[ 0 ].brushes );
 240         tree = FaceBSP( faces );
 241         MakeTreePortals( tree );
 242         FilterStructuralBrushesIntoTree( e, tree );
 243
 244         /* see if the bsp is completely enclosed */
 245         if( FloodEntities( tree ) || ignoreLeaks )
 246         {
 247                 /* rebuild a better bsp tree using only the sides that are visible from the inside */
 248                 FillOutside( tree->headnode );
 249
 250                 /* chop the sides to the convex hull of their visible fragments, giving us the smallest polygons */
 251                 ClipSidesIntoTree( e, tree );
 252
 253                 /* build a visible face tree */
 254                 faces = MakeVisibleBSPFaceList( entities[ 0 ].brushes );
 255                 FreeTree( tree );
 256                 tree = FaceBSP( faces );
 257                 MakeTreePortals( tree );
 258                 FilterStructuralBrushesIntoTree( e, tree );
 259                 leaked = qfalse;
 260
 261                 /* ydnar: flood again for skybox */
 262                 if( skyboxPresent )
 263                         FloodEntities( tree );
 264         }
 265         else
 266         {
 267                 Sys_FPrintf( SYS_NOXML, "**********************\n" );
 268                 Sys_FPrintf( SYS_NOXML, "******* leaked *******\n" );
 269                 Sys_FPrintf( SYS_NOXML, "**********************\n" );
 270                 polyline = LeakFile( tree );
 271                 leaknode = xmlNewNode( NULL, "message" );
 272                 xmlNodeSetContent( leaknode, "MAP LEAKED\n" );
 273                 xmlAddChild( leaknode, polyline );
 274                 level[0] = (int) '0' + SYS_ERR;
 275                 level[1] = 0;
 276                 xmlSetProp( leaknode, "level", (char*) &level );
 277                 xml_SendNode( leaknode );
 278                 if( leaktest )
 279                 {
 280                         Sys_Printf ("--- MAP LEAKED, ABORTING LEAKTEST ---\n");
 281                         exit( 0 );
 282                 }
 283                 leaked = qtrue;
 284
 285                 /* chop the sides to the convex hull of their visible fragments, giving us the smallest polygons */
 286                 ClipSidesIntoTree( e, tree );
 287         }
 288
 289         /* save out information for visibility processing */
 290         NumberClusters( tree );
 291         if( !leaked )
 292                 WritePortalFile( tree );
 293
 294         /* flood from entities */
 295         FloodAreas( tree );
 296
 297         /* create drawsurfs for triangle models */
 298         AddTriangleModels( e );
 299
 300         /* create drawsurfs for surface models */
 301         AddEntitySurfaceModels( e );
 302
 303         /* generate bsp brushes from map brushes */
 304         EmitBrushes( e->brushes, &e->firstBrush, &e->numBrushes );
 305
 306         /* add references to the detail brushes */
 307         FilterDetailBrushesIntoTree( e, tree );
 308
 309         /* drawsurfs that cross fog boundaries will need to be split along the fog boundary */
 310         if( !nofog )
 311                 FogDrawSurfaces( e );
 312
 313         /* subdivide each drawsurf as required by shader tesselation */
 314         if( !nosubdivide )
 315                 SubdivideFaceSurfaces( e, tree );
 316
 317         /* add in any vertexes required to fix t-junctions */
 318         if( !notjunc )
 319                 FixTJunctions( e );
 320
 321         /* ydnar: classify the surfaces */
 322         ClassifyEntitySurfaces( e );
 323
 324         /* ydnar: project decals */
 325         MakeEntityDecals( e );
 326
 327         /* ydnar: meta surfaces */
 328         MakeEntityMetaTriangles( e );
 329         SmoothMetaTriangles();
 330         FixMetaTJunctions();
 331         MergeMetaTriangles();
 332
 333         /* ydnar: debug portals */
 334         if( debugPortals )
 335                 MakeDebugPortalSurfs( tree );
 336
 337         /* ydnar: fog hull */
 338         value = ValueForKey( &entities[ 0 ], "_foghull" );
 339         if( value[ 0 ] != '\0' )
 340         {
 341                 sprintf( shader, "textures/%s", value );
 342                 MakeFogHullSurfs( e, tree, shader );
 343         }
 344
 345         /* ydnar: bug 645: do flares for lights */
 346         for( i = 0; i < numEntities && emitFlares; i++ )
 347         {
 348                 entity_t        *light, *target;
 349                 const char      *value, *flareShader;
 350                 vec3_t          origin, targetOrigin, normal, color;
 351                 int                     lightStyle;
 352
 353
 354                 /* get light */
 355                 light = &entities[ i ];
 356                 value = ValueForKey( light, "classname" );
 357                 if( !strcmp( value, "light" ) )
 358                 {
 359                         /* get flare shader */
 360                         flareShader = ValueForKey( light, "_flareshader" );
 361                         value = ValueForKey( light, "_flare" );
 362                         if( flareShader[ 0 ] != '\0' || value[ 0 ] != '\0' )
 363                         {
 364                                 /* get specifics */
 365                                 GetVectorForKey( light, "origin", origin );
 366                                 GetVectorForKey( light, "_color", color );
 367                                 lightStyle = IntForKey( light, "_style" );
 368                                 if( lightStyle == 0 )
 369                                         lightStyle = IntForKey( light, "style" );
 370
 371                                 /* handle directional spotlights */
 372                                 value = ValueForKey( light, "target" );
 373                                 if( value[ 0 ] != '\0' )
 374                                 {
 375                                         /* get target light */
 376                                         target = FindTargetEntity( value );
 377                                         if( target != NULL )
 378                                         {
 379                                                 GetVectorForKey( target, "origin", targetOrigin );
 380                                                 VectorSubtract( targetOrigin, origin, normal );
 381                                                 VectorNormalize( normal, normal );
 382                                         }
 383                                 }
 384                                 else
 385                                         //%     VectorClear( normal );
 386                                         VectorSet( normal, 0, 0, -1 );
 387
 388                                 /* create the flare surface (note shader defaults automatically) */
 389                                 DrawSurfaceForFlare( mapEntityNum, origin, normal, color, (char*) flareShader, lightStyle );
 390                         }
 391                 }
 392         }
 393
 394         /* add references to the final drawsurfs in the apropriate clusters */
 395         FilterDrawsurfsIntoTree( e, tree );
 396
 397         /* match drawsurfaces back to original brushsides (sof2) */
 398         FixBrushSides( e );
 399
 400         /* finish */
 401         EndModel( e, tree->headnode );
 402         FreeTree( tree );
 403 }
 404
 405
 406
 407 /*
 408 ProcessSubModel()
 409 creates bsp + surfaces for other brush models
 410 */
 411
 412 void ProcessSubModel( void )
 413 {
 414         entity_t        *e;
 415         tree_t          *tree;
 416         brush_t         *b, *bc;
 417         node_t          *node;
 418
 419
 420         /* start a brush model */
 421         BeginModel();
 422         e = &entities[ mapEntityNum ];
 423         e->firstDrawSurf = numMapDrawSurfs;
 424
 425         /* ydnar: gs mods */
 426         ClearMetaTriangles();
 427
 428         /* check for patches with adjacent edges that need to lod together */
 429         PatchMapDrawSurfs( e );
 430
 431         /* allocate a tree */
 432         node = AllocNode();
 433         node->planenum = PLANENUM_LEAF;
 434         tree = AllocTree();
 435         tree->headnode = node;
 436
 437         /* add the sides to the tree */
 438         ClipSidesIntoTree( e, tree );
 439
 440         /* ydnar: create drawsurfs for triangle models */
 441         AddTriangleModels( e );
 442
 443         /* create drawsurfs for surface models */
 444         AddEntitySurfaceModels( e );
 445
 446         /* generate bsp brushes from map brushes */
 447         EmitBrushes( e->brushes, &e->firstBrush, &e->numBrushes );
 448
 449         /* just put all the brushes in headnode */
 450         for( b = e->brushes; b; b = b->next )
 451         {
 452                 bc = CopyBrush( b );
 453                 bc->next = node->brushlist;
 454                 node->brushlist = bc;
 455         }
 456
 457         /* subdivide each drawsurf as required by shader tesselation */
 458         if( !nosubdivide )
 459                 SubdivideFaceSurfaces( e, tree );
 460
 461         /* add in any vertexes required to fix t-junctions */
 462         if( !notjunc )
 463                 FixTJunctions( e );
 464
 465         /* ydnar: classify the surfaces and project lightmaps */
 466         ClassifyEntitySurfaces( e );
 467
 468         /* ydnar: project decals */
 469         MakeEntityDecals( e );
 470
 471         /* ydnar: meta surfaces */
 472         MakeEntityMetaTriangles( e );
 473         SmoothMetaTriangles();
 474         FixMetaTJunctions();
 475         MergeMetaTriangles();
 476
 477         /* add references to the final drawsurfs in the apropriate clusters */
 478         FilterDrawsurfsIntoTree( e, tree );
 479
 480         /* match drawsurfaces back to original brushsides (sof2) */
 481         FixBrushSides( e );
 482
 483         /* finish */
 484         EndModel( e, node );
 485         FreeTree( tree );
 486 }
 487
 488
 489
 490 /*
 491 ProcessModels()
 492 process world + other models into the bsp
 493 */
 494
 495 void ProcessModels( void )
 496 {
 497         qboolean        oldVerbose;
 498         entity_t        *entity;
 499
 500
 501         /* preserve -v setting */
 502         oldVerbose = verbose;
 503
 504         /* start a new bsp */
 505         BeginBSPFile();
 506
 507         /* create map fogs */
 508         CreateMapFogs();
 509
 510         /* walk entity list */
 511         for( mapEntityNum = 0; mapEntityNum < numEntities; mapEntityNum++ )
 512         {
 513                 /* get entity */
 514                 entity = &entities[ mapEntityNum ];
 515                 if( entity->brushes == NULL && entity->patches == NULL )
 516                         continue;
 517
 518                 /* process the model */
 519                 Sys_FPrintf( SYS_VRB, "############### model %i ###############\n", numBSPModels );
 520                 if( mapEntityNum == 0 )
 521                         ProcessWorldModel();
 522                 else
 523                         ProcessSubModel();
 524
 525                 /* potentially turn off the deluge of text */
 526                 verbose = verboseEntities;
 527         }
 528
 529         /* restore -v setting */
 530         verbose = oldVerbose;
 531
 532         /* write fogs */
 533         EmitFogs();
 534 }
 535
 536
 537
 538 /*
 539 OnlyEnts()
 540 this is probably broken unless teamed with a radiant version that preserves entity order
 541 */
 542
 543 void OnlyEnts( void )
 544 {
 545         char out[ 1024 ];
 546
 547
 548         /* note it */
 549         Sys_Printf( "--- OnlyEnts ---\n" );
 550
 551         sprintf( out, "%s.bsp", source );
 552         LoadBSPFile( out );
 553         numEntities = 0;
 554
 555         LoadShaderInfo();
 556         LoadMapFile( name, qfalse );
 557         SetModelNumbers();
 558         SetLightStyles();
 559
 560         numBSPEntities = numEntities;
 561         UnparseEntities();
 562
 563         WriteBSPFile( out );
 564 }
 565
 566
 567
 568 /*
 569 BSPMain() - ydnar
 570 handles creation of a bsp from a map file
 571 */
 572
 573 int BSPMain( int argc, char **argv )
 574 {
 575         int                     i;
 576         char            path[ 1024 ], tempSource[ 1024 ];
 577         qboolean        onlyents = qfalse;
 578
 579
 580         /* note it */
 581         Sys_Printf( "--- BSP ---\n" );
 582
 583         SetDrawSurfacesBuffer();
 584         mapDrawSurfs = safe_malloc( sizeof( mapDrawSurface_t ) * MAX_MAP_DRAW_SURFS );
 585         memset( mapDrawSurfs, 0, sizeof( mapDrawSurface_t ) * MAX_MAP_DRAW_SURFS );
 586         numMapDrawSurfs = 0;
 587
 588         tempSource[ 0 ] = '\0';
 589
 590         /* set standard game flags */
 591         maxSurfaceVerts = game->maxSurfaceVerts;
 592         maxSurfaceIndexes = game->maxSurfaceIndexes;
 593         emitFlares = game->emitFlares;
 594
 595         /* process arguments */
 596         for( i = 1; i < (argc - 1); i++ )
 597         {
 598                 if( !strcmp( argv[ i ], "-onlyents" ) )
 599                 {
 600                         Sys_Printf( "Running entity-only compile\n" );
 601                         onlyents = qtrue;
 602                 }
 603                 else if( !strcmp( argv[ i ], "-tempname" ) )
 604                         strcpy( tempSource, argv[ ++i ] );
 605                 else if( !strcmp( argv[ i ], "-tmpout" ) )
 606                         strcpy( outbase, "/tmp" );
 607                 else if( !strcmp( argv[ i ],  "-nowater" ) )
 608                 {
 609                         Sys_Printf( "Disabling water\n" );
 610                         nowater = qtrue;
 611                 }
 612                 else if( !strcmp( argv[ i ],  "-nodetail" ) )
 613                 {
 614                         Sys_Printf( "Ignoring detail brushes\n") ;
 615                         nodetail = qtrue;
 616                 }
 617                 else if( !strcmp( argv[ i ],  "-fulldetail" ) )
 618                 {
 619                         Sys_Printf( "Turning detail brushes into structural brushes\n" );
 620                         fulldetail = qtrue;
 621                 }
 622                 else if( !strcmp( argv[ i ],  "-nofog" ) )
 623                 {
 624                         Sys_Printf( "Fog volumes disabled\n" );
 625                         nofog = qtrue;
 626                 }
 627                 else if( !strcmp( argv[ i ],  "-nosubdivide" ) )
 628                 {
 629                         Sys_Printf( "Disabling brush face subdivision\n" );
 630                         nosubdivide = qtrue;
 631                 }
 632                 else if( !strcmp( argv[ i ],  "-leaktest" ) )
 633                 {
 634                         Sys_Printf( "Leaktest enabled\n" );
 635                         leaktest = qtrue;
 636                 }
 637                 else if( !strcmp( argv[ i ],  "-verboseentities" ) )
 638                 {
 639                         Sys_Printf( "Verbose entities enabled\n" );
 640                         verboseEntities = qtrue;
 641                 }
 642                 else if( !strcmp( argv[ i ], "-nocurves" ) )
 643                 {
 644                         Sys_Printf( "Ignoring curved surfaces (patches)\n" );
 645                         noCurveBrushes = qtrue;
 646                 }
 647                 else if( !strcmp( argv[ i ], "-notjunc" ) )
 648                 {
 649                         Sys_Printf( "T-junction fixing disabled\n" );
 650                         notjunc = qtrue;
 651                 }
 652                 else if( !strcmp( argv[ i ], "-fakemap" ) )
 653                 {
 654                         Sys_Printf( "Generating fakemap.map\n" );
 655                         fakemap = qtrue;
 656                 }
 657                 else if( !strcmp( argv[ i ],  "-samplesize" ) )
 658                 {
 659                         sampleSize = atoi( argv[ i + 1 ] );
 660                         if( sampleSize < 1 )
 661                                 sampleSize = 1;
 662                         i++;
 663                         Sys_Printf( "Lightmap sample size set to %dx%d units\n", sampleSize, sampleSize );
 664                 }
 665                 else if( !strcmp( argv[ i ],  "-custinfoparms") )
 666                 {
 667                         Sys_Printf( "Custom info parms enabled\n" );
 668                         useCustomInfoParms = qtrue;
 669                 }
 670
 671                 /* sof2 args */
 672                 else if( !strcmp( argv[ i ], "-rename" ) )
 673                 {
 674                         Sys_Printf( "Appending _bsp suffix to misc_model shaders (SOF2)\n" );
 675                         renameModelShaders = qtrue;
 676                 }
 677
 678                 /* ydnar args */
 679                 else if( !strcmp( argv[ i ],  "-ne" ) )
 680                 {
 681                         normalEpsilon = atof( argv[ i + 1 ] );
 682                         i++;
 683                         Sys_Printf( "Normal epsilon set to %f\n", normalEpsilon );
 684                 }
 685                 else if( !strcmp( argv[ i ],  "-de" ) )
 686                 {
 687                         distanceEpsilon = atof( argv[ i + 1 ] );
 688                         i++;
 689                         Sys_Printf( "Distance epsilon set to %f\n", distanceEpsilon );
 690                 }
 691                 else if( !strcmp( argv[ i ],  "-mv" ) )
 692                 {
 693                         maxLMSurfaceVerts = atoi( argv[ i + 1 ] );
 694                         if( maxLMSurfaceVerts < 3 )
 695                                 maxLMSurfaceVerts = 3;
 696                         if( maxLMSurfaceVerts > maxSurfaceVerts )
 697                                 maxSurfaceVerts = maxLMSurfaceVerts;
 698                         i++;
 699                         Sys_Printf( "Maximum lightmapped surface vertex count set to %d\n", maxLMSurfaceVerts );
 700                 }
 701                 else if( !strcmp( argv[ i ],  "-mi" ) )
 702                 {
 703                         maxSurfaceIndexes = atoi( argv[ i + 1 ] );
 704                         if( maxSurfaceIndexes < 3 )
 705                                 maxSurfaceIndexes = 3;
 706                         i++;
 707                         Sys_Printf( "Maximum per-surface index count set to %d\n", maxSurfaceIndexes );
 708                 }
 709                 else if( !strcmp( argv[ i ], "-np" ) )
 710                 {
 711                         npDegrees = atof( argv[ i + 1 ] );
 712                         if( npDegrees < 0.0f )
 713                                 shadeAngleDegrees = 0.0f;
 714                         else if( npDegrees > 0.0f )
 715                                 Sys_Printf( "Forcing nonplanar surfaces with a breaking angle of %f degrees\n", npDegrees );
 716                         i++;
 717                 }
 718                 else if( !strcmp( argv[ i ],  "-snap" ) )
 719                 {
 720                         bevelSnap = atoi( argv[ i + 1 ]);
 721                         if( bevelSnap < 0 )
 722                                 bevelSnap = 0;
 723                         i++;
 724                         if( bevelSnap > 0 )
 725                                 Sys_Printf( "Snapping brush bevel planes to %d units\n", bevelSnap );
 726                 }
 727                 else if( !strcmp( argv[ i ],  "-texrange" ) )
 728                 {
 729                         texRange = atoi( argv[ i + 1 ]);
 730                         if( texRange < 0 )
 731                                 texRange = 0;
 732                         i++;
 733                         Sys_Printf( "Limiting per-surface texture range to %d texels\n", texRange );
 734                 }
 735                 else if( !strcmp( argv[ i ], "-nohint" ) )
 736                 {
 737                         Sys_Printf( "Hint brushes disabled\n" );
 738                         noHint = qtrue;
 739                 }
 740                 else if( !strcmp( argv[ i ], "-flat" ) )
 741                 {
 742                         Sys_Printf( "Flatshading enabled\n" );
 743                         flat = qtrue;
 744                 }
 745                 else if( !strcmp( argv[ i ], "-meta" ) )
 746                 {
 747                         Sys_Printf( "Creating meta surfaces from brush faces\n" );
 748                         meta = qtrue;
 749                 }
 750                 else if( !strcmp( argv[ i ], "-patchmeta" ) )
 751                 {
 752                         Sys_Printf( "Creating meta surfaces from patches\n" );
 753                         patchMeta = qtrue;
 754                 }
 755                 else if( !strcmp( argv[ i ], "-flares" ) )
 756                 {
 757                         Sys_Printf( "Flare surfaces enabled\n" );
 758                         emitFlares = qtrue;
 759                 }
 760                 else if( !strcmp( argv[ i ], "-noflares" ) )
 761                 {
 762                         Sys_Printf( "Flare surfaces disabled\n" );
 763                         emitFlares = qfalse;
 764                 }
 765                 else if( !strcmp( argv[ i ], "-skyfix" ) )
 766                 {
 767                         Sys_Printf( "GL_CLAMP sky fix/hack/workaround enabled\n" );
 768                         skyFixHack = qtrue;
 769                 }
 770                 else if( !strcmp( argv[ i ], "-debugsurfaces" ) )
 771                 {
 772                         Sys_Printf( "emitting debug surfaces\n" );
 773                         debugSurfaces = qtrue;
 774                 }
 775                 else if( !strcmp( argv[ i ], "-debuginset" ) )
 776                 {
 777                         Sys_Printf( "Debug surface triangle insetting enabled\n" );
 778                         debugInset = qtrue;
 779                 }
 780                 else if( !strcmp( argv[ i ], "-debugportals" ) )
 781                 {
 782                         Sys_Printf( "Debug portal surfaces enabled\n" );
 783                         debugPortals = qtrue;
 784                 }
 785                 else if( !strcmp( argv[ i ], "-bsp" ) )
 786                         Sys_Printf( "-bsp argument unnecessary\n" );
 787                 else
 788                         Sys_Printf( "WARNING: Unknown option \"%s\"\n", argv[ i ] );
 789         }
 790
 791         /* fixme: print more useful usage here */
 792         if( i != (argc - 1) )
 793                 Error( "usage: q3map [options] mapfile" );
 794
 795         /* copy source name */
 796         strcpy( source, ExpandArg( argv[ i ] ) );
 797         StripExtension( source );
 798
 799         /* ydnar: set default sample size */
 800         SetDefaultSampleSize( sampleSize );
 801
 802         /* delete portal, line and surface files */
 803         sprintf( path, "%s.prt", source );
 804         remove( path );
 805         sprintf( path, "%s.lin", source );
 806         remove( path );
 807         //%     sprintf( path, "%s.srf", source );      /* ydnar */
 808         //%     remove( path );
 809
 810         /* expand mapname */
 811         strcpy( name, ExpandArg( argv[ i ] ) );
 812         if( strcmp( name + strlen( name ) - 4, ".reg" ) )
 813         {
 814                 /* if we are doing a full map, delete the last saved region map */
 815                 sprintf( path, "%s.reg", source );
 816                 remove( path );
 817                 DefaultExtension( name, ".map" );       /* might be .reg */
 818         }
 819
 820         /* if onlyents, just grab the entites and resave */
 821         if( onlyents )
 822         {
 823                 OnlyEnts();
 824                 return 0;
 825         }
 826
 827         /* load shaders */
 828         LoadShaderInfo();
 829
 830         /* load original file from temp spot in case it was renamed by the editor on the way in */
 831         if( strlen( tempSource ) > 0 )
 832                 LoadMapFile( tempSource, qfalse );
 833         else
 834                 LoadMapFile( name, qfalse );
 835
 836         /* ydnar: decal setup */
 837         ProcessDecals();
 838
 839         /* ydnar: cloned brush model entities */
 840         SetCloneModelNumbers();
 841
 842         /* process world and submodels */
 843         ProcessModels();
 844
 845         /* set light styles from targetted light entities */
 846         SetLightStyles();
 847
 848         /* finish and write bsp */
 849         EndBSPFile();
 850
 851         /* remove temp map source file if appropriate */
 852         if( strlen( tempSource ) > 0)
 853                 remove( tempSource );
 854
 855         /* return to sender */
 856         return 0;
 857 }
 858