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 ProcessAdvertisements()
  49 copies advertisement info into the BSP structures
  50 */
  51
  52 static void ProcessAdvertisements( void ) {
  53         int                                     i;
  54         const char*                     className;
  55         const char*                     modelKey;
  56         int                                     modelNum;
  57         bspModel_t*                     adModel;
  58         bspDrawSurface_t*       adSurface;
  59
  60         Sys_FPrintf( SYS_VRB, "--- ProcessAdvertisements ---\n" );
  61
  62         for( i = 0; i < numEntities; i++ ) {
  63
  64                 /* is an advertisement? */
  65                 className = ValueForKey( &entities[ i ], "classname" );
  66
  67                 if( !Q_stricmp( "advertisement", className ) ) {
  68
  69                         modelKey = ValueForKey( &entities[ i ], "model" );
  70
  71                         if( strlen( modelKey ) > MAX_QPATH - 1 ) {
  72                                 Error( "Model Key for entity exceeds ad struct string length." );
  73                         } else {
  74                                 if( numBSPAds < MAX_MAP_ADVERTISEMENTS ) {
  75                                         bspAds[numBSPAds].cellId = IntForKey( &entities[ i ], "cellId" );
  76                                         strncpy( bspAds[numBSPAds].model, modelKey, sizeof( bspAds[numBSPAds].model ) );
  77
  78                                         modelKey++;
  79                                         modelNum = atoi( modelKey );
  80                                         adModel = &bspModels[modelNum];
  81
  82                                         if( adModel->numBSPSurfaces != 1 ) {
  83                                                 Error( "Ad cell id %d has more than one surface.", bspAds[numBSPAds].cellId );
  84                                         }
  85
  86                                         adSurface = &bspDrawSurfaces[adModel->firstBSPSurface];
  87
  88                                         // store the normal for use at run time.. all ad verts are assumed to
  89                                         // have identical normals (because they should be a simple rectangle)
  90                                         // so just use the first vert's normal
  91                                         VectorCopy( bspDrawVerts[adSurface->firstVert].normal, bspAds[numBSPAds].normal );
  92
  93                                         // store the ad quad for quick use at run time
  94                                         if( adSurface->surfaceType == MST_PATCH ) {
  95                                                 int v0 = adSurface->firstVert + adSurface->patchHeight - 1;
  96                                                 int v1 = adSurface->firstVert + adSurface->numVerts - 1;
  97                                                 int v2 = adSurface->firstVert + adSurface->numVerts - adSurface->patchWidth;
  98                                                 int v3 = adSurface->firstVert;
  99                                                 VectorCopy( bspDrawVerts[v0].xyz, bspAds[numBSPAds].rect[0] );
 100                                                 VectorCopy( bspDrawVerts[v1].xyz, bspAds[numBSPAds].rect[1] );
 101                                                 VectorCopy( bspDrawVerts[v2].xyz, bspAds[numBSPAds].rect[2] );
 102                                                 VectorCopy( bspDrawVerts[v3].xyz, bspAds[numBSPAds].rect[3] );
 103                                         } else {
 104                                                 Error( "Ad cell %d has an unsupported Ad Surface type.", bspAds[numBSPAds].cellId );
 105                                         }
 106
 107                                         numBSPAds++;
 108                                 } else {
 109                                         Error( "Maximum number of map advertisements exceeded." );
 110                                 }
 111                         }
 112                 }
 113         }
 114
 115         Sys_FPrintf( SYS_VRB, "%9d in-game advertisements\n", numBSPAds );
 116 }
 117
 118 /*
 119 SetCloneModelNumbers() - ydnar
 120 sets the model numbers for brush entities
 121 */
 122
 123 static void SetCloneModelNumbers( void )
 124 {
 125         int                     i, j;
 126         int                     models;
 127         char            modelValue[ 10 ];
 128         const char      *value, *value2, *value3;
 129
 130
 131         /* start with 1 (worldspawn is model 0) */
 132         models = 1;
 133         for( i = 1; i < numEntities; i++ )
 134         {
 135                 /* only entities with brushes or patches get a model number */
 136                 if( entities[ i ].brushes == NULL && entities[ i ].patches == NULL )
 137                         continue;
 138
 139                 /* is this a clone? */
 140                 value = ValueForKey( &entities[ i ], "_clone" );
 141                 if( value[ 0 ] != '\0' )
 142                         continue;
 143
 144                 /* add the model key */
 145                 sprintf( modelValue, "*%d", models );
 146                 SetKeyValue( &entities[ i ], "model", modelValue );
 147
 148                 /* increment model count */
 149                 models++;
 150         }
 151
 152         /* fix up clones */
 153         for( i = 1; i < numEntities; i++ )
 154         {
 155                 /* only entities with brushes or patches get a model number */
 156                 if( entities[ i ].brushes == NULL && entities[ i ].patches == NULL )
 157                         continue;
 158
 159                 /* is this a clone? */
 160                 value = ValueForKey( &entities[ i ], "_ins" );
 161                 if( value[ 0 ] == '\0' )
 162                         value = ValueForKey( &entities[ i ], "_instance" );
 163                 if( value[ 0 ] == '\0' )
 164                         value = ValueForKey( &entities[ i ], "_clone" );
 165                 if( value[ 0 ] == '\0' )
 166                         continue;
 167
 168                 /* find an entity with matching clone name */
 169                 for( j = 0; j < numEntities; j++ )
 170                 {
 171                         /* is this a clone parent? */
 172                         value2 = ValueForKey( &entities[ j ], "_clonename" );
 173                         if( value2[ 0 ] == '\0' )
 174                                 continue;
 175
 176                         /* do they match? */
 177                         if( strcmp( value, value2 ) == 0 )
 178                         {
 179                                 /* get the model num */
 180                                 value3 = ValueForKey( &entities[ j ], "model" );
 181                                 if( value3[ 0 ] == '\0' )
 182                                 {
 183                                         Sys_Printf( "WARNING: Cloned entity %s referenced entity without model\n", value2 );
 184                                         continue;
 185                                 }
 186                                 models = atoi( &value2[ 1 ] );
 187
 188                                 /* add the model key */
 189                                 sprintf( modelValue, "*%d", models );
 190                                 SetKeyValue( &entities[ i ], "model", modelValue );
 191
 192                                 /* nuke the brushes/patches for this entity (fixme: leak!) */
 193                                 entities[ i ].brushes = NULL;
 194                                 entities[ i ].patches = NULL;
 195                         }
 196                 }
 197         }
 198 }
 199
 200
 201
 202 /*
 203 FixBrushSides() - ydnar
 204 matches brushsides back to their appropriate drawsurface and shader
 205 */
 206
 207 static void FixBrushSides( entity_t *e )
 208 {
 209         int                                     i;
 210         mapDrawSurface_t        *ds;
 211         sideRef_t                       *sideRef;
 212         bspBrushSide_t          *side;
 213
 214
 215         /* note it */
 216         Sys_FPrintf( SYS_VRB, "--- FixBrushSides ---\n" );
 217
 218         /* walk list of drawsurfaces */
 219         for( i = e->firstDrawSurf; i < numMapDrawSurfs; i++ )
 220         {
 221                 /* get surface and try to early out */
 222                 ds = &mapDrawSurfs[ i ];
 223                 if( ds->outputNum < 0 )
 224                         continue;
 225
 226                 /* walk sideref list */
 227                 for( sideRef = ds->sideRef; sideRef != NULL; sideRef = sideRef->next )
 228                 {
 229                         /* get bsp brush side */
 230                         if( sideRef->side == NULL || sideRef->side->outputNum < 0 )
 231                                 continue;
 232                         side = &bspBrushSides[ sideRef->side->outputNum ];
 233
 234                         /* set drawsurface */
 235                         side->surfaceNum = ds->outputNum;
 236                         //%     Sys_FPrintf( SYS_VRB, "DS: %7d Side: %7d     ", ds->outputNum, sideRef->side->outputNum );
 237
 238                         /* set shader */
 239                         if( strcmp( bspShaders[ side->shaderNum ].shader, ds->shaderInfo->shader ) )
 240                         {
 241                                 //%     Sys_FPrintf( SYS_VRB, "Remapping %s to %s\n", bspShaders[ side->shaderNum ].shader, ds->shaderInfo->shader );
 242                                 side->shaderNum = EmitShader( ds->shaderInfo->shader, &ds->shaderInfo->contentFlags, &ds->shaderInfo->surfaceFlags );
 243                         }
 244                 }
 245         }
 246 }
 247
 248
 249
 250 /*
 251 ProcessWorldModel()
 252 creates a full bsp + surfaces for the worldspawn entity
 253 */
 254
 255 void ProcessWorldModel( void )
 256 {
 257         int                     i, s;
 258         entity_t        *e;
 259         tree_t          *tree;
 260         face_t          *faces;
 261         qboolean        ignoreLeaks, leaked;
 262         xmlNodePtr      polyline, leaknode;
 263         char            level[ 2 ], shader[ 1024 ];
 264         const char      *value;
 265
 266
 267         /* sets integer blockSize from worldspawn "_blocksize" key if it exists */
 268         value = ValueForKey( &entities[ 0 ], "_blocksize" );
 269         if( value[ 0 ] == '\0' )
 270                 value = ValueForKey( &entities[ 0 ], "blocksize" );
 271         if( value[ 0 ] == '\0' )
 272                 value = ValueForKey( &entities[ 0 ], "chopsize" );      /* sof2 */
 273         if( value[ 0 ] != '\0' )
 274         {
 275                 /* scan 3 numbers */
 276                 s = sscanf( value, "%d %d %d", &blockSize[ 0 ], &blockSize[ 1 ], &blockSize[ 2 ] );
 277
 278                 /* handle legacy case */
 279                 if( s == 1 )
 280                 {
 281                         blockSize[ 1 ] = blockSize[ 0 ];
 282                         blockSize[ 2 ] = blockSize[ 0 ];
 283                 }
 284         }
 285         Sys_Printf( "block size = { %d %d %d }\n", blockSize[ 0 ], blockSize[ 1 ], blockSize[ 2 ] );
 286
 287         /* sof2: ignore leaks? */
 288         value = ValueForKey( &entities[ 0 ], "_ignoreleaks" );  /* ydnar */
 289         if( value[ 0 ] == '\0' )
 290                 value = ValueForKey( &entities[ 0 ], "ignoreleaks" );
 291         if( value[ 0 ] == '1' )
 292                 ignoreLeaks = qtrue;
 293         else
 294                 ignoreLeaks = qfalse;
 295
 296         /* begin worldspawn model */
 297         BeginModel();
 298         e = &entities[ 0 ];
 299         e->firstDrawSurf = 0;
 300
 301         /* ydnar: gs mods */
 302         ClearMetaTriangles();
 303
 304         /* check for patches with adjacent edges that need to lod together */
 305         PatchMapDrawSurfs( e );
 306
 307         /* build an initial bsp tree using all of the sides of all of the structural brushes */
 308         faces = MakeStructuralBSPFaceList( entities[ 0 ].brushes );
 309         tree = FaceBSP( faces );
 310         MakeTreePortals( tree );
 311         FilterStructuralBrushesIntoTree( e, tree );
 312
 313         /* see if the bsp is completely enclosed */
 314         if( FloodEntities( tree ) || ignoreLeaks )
 315         {
 316                 /* rebuild a better bsp tree using only the sides that are visible from the inside */
 317                 FillOutside( tree->headnode );
 318
 319                 /* chop the sides to the convex hull of their visible fragments, giving us the smallest polygons */
 320                 ClipSidesIntoTree( e, tree );
 321
 322                 /* build a visible face tree */
 323                 faces = MakeVisibleBSPFaceList( entities[ 0 ].brushes );
 324                 FreeTree( tree );
 325                 tree = FaceBSP( faces );
 326                 MakeTreePortals( tree );
 327                 FilterStructuralBrushesIntoTree( e, tree );
 328                 leaked = qfalse;
 329
 330                 /* ydnar: flood again for skybox */
 331                 if( skyboxPresent )
 332                         FloodEntities( tree );
 333         }
 334         else
 335         {
 336                 Sys_FPrintf( SYS_NOXML, "**********************\n" );
 337                 Sys_FPrintf( SYS_NOXML, "******* leaked *******\n" );
 338                 Sys_FPrintf( SYS_NOXML, "**********************\n" );
 339                 polyline = LeakFile( tree );
 340                 leaknode = xmlNewNode( NULL, "message" );
 341                 xmlNodeSetContent( leaknode, "MAP LEAKED\n" );
 342                 xmlAddChild( leaknode, polyline );
 343                 level[0] = (int) '0' + SYS_ERR;
 344                 level[1] = 0;
 345                 xmlSetProp( leaknode, "level", (char*) &level );
 346                 xml_SendNode( leaknode );
 347                 if( leaktest )
 348                 {
 349                         Sys_Printf ("--- MAP LEAKED, ABORTING LEAKTEST ---\n");
 350                         exit( 0 );
 351                 }
 352                 leaked = qtrue;
 353
 354                 /* chop the sides to the convex hull of their visible fragments, giving us the smallest polygons */
 355                 ClipSidesIntoTree( e, tree );
 356         }
 357
 358         /* save out information for visibility processing */
 359         NumberClusters( tree );
 360         if( !leaked )
 361                 WritePortalFile( tree );
 362
 363         /* flood from entities */
 364         FloodAreas( tree );
 365
 366         /* create drawsurfs for triangle models */
 367         AddTriangleModels( e );
 368
 369         /* create drawsurfs for surface models */
 370         AddEntitySurfaceModels( e );
 371
 372         /* generate bsp brushes from map brushes */
 373         EmitBrushes( e->brushes, &e->firstBrush, &e->numBrushes );
 374
 375         /* add references to the detail brushes */
 376         FilterDetailBrushesIntoTree( e, tree );
 377
 378         /* drawsurfs that cross fog boundaries will need to be split along the fog boundary */
 379         if( !nofog )
 380                 FogDrawSurfaces( e );
 381
 382         /* subdivide each drawsurf as required by shader tesselation */
 383         if( !nosubdivide )
 384                 SubdivideFaceSurfaces( e, tree );
 385
 386         /* add in any vertexes required to fix t-junctions */
 387         if( !notjunc )
 388                 FixTJunctions( e );
 389
 390         /* ydnar: classify the surfaces */
 391         ClassifyEntitySurfaces( e );
 392
 393         /* ydnar: project decals */
 394         MakeEntityDecals( e );
 395
 396         /* ydnar: meta surfaces */
 397         MakeEntityMetaTriangles( e );
 398         SmoothMetaTriangles();
 399         FixMetaTJunctions();
 400         MergeMetaTriangles();
 401
 402         /* ydnar: debug portals */
 403         if( debugPortals )
 404                 MakeDebugPortalSurfs( tree );
 405
 406         /* ydnar: fog hull */
 407         value = ValueForKey( &entities[ 0 ], "_foghull" );
 408         if( value[ 0 ] != '\0' )
 409         {
 410                 sprintf( shader, "textures/%s", value );
 411                 MakeFogHullSurfs( e, tree, shader );
 412         }
 413
 414         /* ydnar: bug 645: do flares for lights */
 415         for( i = 0; i < numEntities && emitFlares; i++ )
 416         {
 417                 entity_t        *light, *target;
 418                 const char      *value, *flareShader;
 419                 vec3_t          origin, targetOrigin, normal, color;
 420                 int                     lightStyle;
 421
 422
 423                 /* get light */
 424                 light = &entities[ i ];
 425                 value = ValueForKey( light, "classname" );
 426                 if( !strcmp( value, "light" ) )
 427                 {
 428                         /* get flare shader */
 429                         flareShader = ValueForKey( light, "_flareshader" );
 430                         value = ValueForKey( light, "_flare" );
 431                         if( flareShader[ 0 ] != '\0' || value[ 0 ] != '\0' )
 432                         {
 433                                 /* get specifics */
 434                                 GetVectorForKey( light, "origin", origin );
 435                                 GetVectorForKey( light, "_color", color );
 436                                 lightStyle = IntForKey( light, "_style" );
 437                                 if( lightStyle == 0 )
 438                                         lightStyle = IntForKey( light, "style" );
 439
 440                                 /* handle directional spotlights */
 441                                 value = ValueForKey( light, "target" );
 442                                 if( value[ 0 ] != '\0' )
 443                                 {
 444                                         /* get target light */
 445                                         target = FindTargetEntity( value );
 446                                         if( target != NULL )
 447                                         {
 448                                                 GetVectorForKey( target, "origin", targetOrigin );
 449                                                 VectorSubtract( targetOrigin, origin, normal );
 450                                                 VectorNormalize( normal, normal );
 451                                         }
 452                                 }
 453                                 else
 454                                         //%     VectorClear( normal );
 455                                         VectorSet( normal, 0, 0, -1 );
 456
 457                                 /* create the flare surface (note shader defaults automatically) */
 458                                 DrawSurfaceForFlare( mapEntityNum, origin, normal, color, (char*) flareShader, lightStyle );
 459                         }
 460                 }
 461         }
 462
 463         /* add references to the final drawsurfs in the apropriate clusters */
 464         FilterDrawsurfsIntoTree( e, tree );
 465
 466         /* match drawsurfaces back to original brushsides (sof2) */
 467         FixBrushSides( e );
 468
 469         /* finish */
 470         EndModel( e, tree->headnode );
 471         FreeTree( tree );
 472 }
 473
 474
 475
 476 /*
 477 ProcessSubModel()
 478 creates bsp + surfaces for other brush models
 479 */
 480
 481 void ProcessSubModel( void )
 482 {
 483         entity_t        *e;
 484         tree_t          *tree;
 485         brush_t         *b, *bc;
 486         node_t          *node;
 487
 488
 489         /* start a brush model */
 490         BeginModel();
 491         e = &entities[ mapEntityNum ];
 492         e->firstDrawSurf = numMapDrawSurfs;
 493
 494         /* ydnar: gs mods */
 495         ClearMetaTriangles();
 496
 497         /* check for patches with adjacent edges that need to lod together */
 498         PatchMapDrawSurfs( e );
 499
 500         /* allocate a tree */
 501         node = AllocNode();
 502         node->planenum = PLANENUM_LEAF;
 503         tree = AllocTree();
 504         tree->headnode = node;
 505
 506         /* add the sides to the tree */
 507         ClipSidesIntoTree( e, tree );
 508
 509         /* ydnar: create drawsurfs for triangle models */
 510         AddTriangleModels( e );
 511
 512         /* create drawsurfs for surface models */
 513         AddEntitySurfaceModels( e );
 514
 515         /* generate bsp brushes from map brushes */
 516         EmitBrushes( e->brushes, &e->firstBrush, &e->numBrushes );
 517
 518         /* just put all the brushes in headnode */
 519         for( b = e->brushes; b; b = b->next )
 520         {
 521                 bc = CopyBrush( b );
 522                 bc->next = node->brushlist;
 523                 node->brushlist = bc;
 524         }
 525
 526         /* subdivide each drawsurf as required by shader tesselation */
 527         if( !nosubdivide )
 528                 SubdivideFaceSurfaces( e, tree );
 529
 530         /* add in any vertexes required to fix t-junctions */
 531         if( !notjunc )
 532                 FixTJunctions( e );
 533
 534         /* ydnar: classify the surfaces and project lightmaps */
 535         ClassifyEntitySurfaces( e );
 536
 537         /* ydnar: project decals */
 538         MakeEntityDecals( e );
 539
 540         /* ydnar: meta surfaces */
 541         MakeEntityMetaTriangles( e );
 542         SmoothMetaTriangles();
 543         FixMetaTJunctions();
 544         MergeMetaTriangles();
 545
 546         /* add references to the final drawsurfs in the apropriate clusters */
 547         FilterDrawsurfsIntoTree( e, tree );
 548
 549         /* match drawsurfaces back to original brushsides (sof2) */
 550         FixBrushSides( e );
 551
 552         /* finish */
 553         EndModel( e, node );
 554         FreeTree( tree );
 555 }
 556
 557
 558
 559 /*
 560 ProcessModels()
 561 process world + other models into the bsp
 562 */
 563
 564 void ProcessModels( void )
 565 {
 566         qboolean        oldVerbose;
 567         entity_t        *entity;
 568
 569
 570         /* preserve -v setting */
 571         oldVerbose = verbose;
 572
 573         /* start a new bsp */
 574         BeginBSPFile();
 575
 576         /* create map fogs */
 577         CreateMapFogs();
 578
 579         /* walk entity list */
 580         for( mapEntityNum = 0; mapEntityNum < numEntities; mapEntityNum++ )
 581         {
 582                 /* get entity */
 583                 entity = &entities[ mapEntityNum ];
 584                 if( entity->brushes == NULL && entity->patches == NULL )
 585                         continue;
 586
 587                 /* process the model */
 588                 Sys_FPrintf( SYS_VRB, "############### model %i ###############\n", numBSPModels );
 589                 if( mapEntityNum == 0 )
 590                         ProcessWorldModel();
 591                 else
 592                         ProcessSubModel();
 593
 594                 /* potentially turn off the deluge of text */
 595                 verbose = verboseEntities;
 596         }
 597
 598         /* restore -v setting */
 599         verbose = oldVerbose;
 600
 601         /* write fogs */
 602         EmitFogs();
 603 }
 604
 605
 606
 607 /*
 608 OnlyEnts()
 609 this is probably broken unless teamed with a radiant version that preserves entity order
 610 */
 611
 612 void OnlyEnts( void )
 613 {
 614         char out[ 1024 ];
 615
 616
 617         /* note it */
 618         Sys_Printf( "--- OnlyEnts ---\n" );
 619
 620         sprintf( out, "%s.bsp", source );
 621         LoadBSPFile( out );
 622         numEntities = 0;
 623
 624         LoadShaderInfo();
 625         LoadMapFile( name, qfalse );
 626         SetModelNumbers();
 627         SetLightStyles();
 628
 629         numBSPEntities = numEntities;
 630         UnparseEntities();
 631
 632         WriteBSPFile( out );
 633 }
 634
 635
 636
 637 /*
 638 BSPMain() - ydnar
 639 handles creation of a bsp from a map file
 640 */
 641
 642 int BSPMain( int argc, char **argv )
 643 {
 644         int                     i;
 645         char            path[ 1024 ], tempSource[ 1024 ];
 646         qboolean        onlyents = qfalse;
 647
 648
 649         /* note it */
 650         Sys_Printf( "--- BSP ---\n" );
 651
 652         SetDrawSurfacesBuffer();
 653         mapDrawSurfs = safe_malloc( sizeof( mapDrawSurface_t ) * MAX_MAP_DRAW_SURFS );
 654         memset( mapDrawSurfs, 0, sizeof( mapDrawSurface_t ) * MAX_MAP_DRAW_SURFS );
 655         numMapDrawSurfs = 0;
 656
 657         tempSource[ 0 ] = '\0';
 658
 659         /* set flares flag */
 660         emitFlares = game->emitFlares;
 661
 662         /* process arguments */
 663         for( i = 1; i < (argc - 1); i++ )
 664         {
 665                 if( !strcmp( argv[ i ], "-onlyents" ) )
 666                 {
 667                         Sys_Printf( "Running entity-only compile\n" );
 668                         onlyents = qtrue;
 669                 }
 670                 else if( !strcmp( argv[ i ], "-tempname" ) )
 671                         strcpy( tempSource, argv[ ++i ] );
 672                 else if( !strcmp( argv[ i ], "-tmpout" ) )
 673                         strcpy( outbase, "/tmp" );
 674                 else if( !strcmp( argv[ i ],  "-nowater" ) )
 675                 {
 676                         Sys_Printf( "Disabling water\n" );
 677                         nowater = qtrue;
 678                 }
 679                 else if( !strcmp( argv[ i ],  "-nodetail" ) )
 680                 {
 681                         Sys_Printf( "Ignoring detail brushes\n") ;
 682                         nodetail = qtrue;
 683                 }
 684                 else if( !strcmp( argv[ i ],  "-fulldetail" ) )
 685                 {
 686                         Sys_Printf( "Turning detail brushes into structural brushes\n" );
 687                         fulldetail = qtrue;
 688                 }
 689                 else if( !strcmp( argv[ i ],  "-nofog" ) )
 690                 {
 691                         Sys_Printf( "Fog volumes disabled\n" );
 692                         nofog = qtrue;
 693                 }
 694                 else if( !strcmp( argv[ i ],  "-nosubdivide" ) )
 695                 {
 696                         Sys_Printf( "Disabling brush face subdivision\n" );
 697                         nosubdivide = qtrue;
 698                 }
 699                 else if( !strcmp( argv[ i ],  "-leaktest" ) )
 700                 {
 701                         Sys_Printf( "Leaktest enabled\n" );
 702                         leaktest = qtrue;
 703                 }
 704                 else if( !strcmp( argv[ i ],  "-verboseentities" ) )
 705                 {
 706                         Sys_Printf( "Verbose entities enabled\n" );
 707                         verboseEntities = qtrue;
 708                 }
 709                 else if( !strcmp( argv[ i ], "-nocurves" ) )
 710                 {
 711                         Sys_Printf( "Ignoring curved surfaces (patches)\n" );
 712                         noCurveBrushes = qtrue;
 713                 }
 714                 else if( !strcmp( argv[ i ], "-notjunc" ) )
 715                 {
 716                         Sys_Printf( "T-junction fixing disabled\n" );
 717                         notjunc = qtrue;
 718                 }
 719                 else if( !strcmp( argv[ i ], "-fakemap" ) )
 720                 {
 721                         Sys_Printf( "Generating fakemap.map\n" );
 722                         fakemap = qtrue;
 723                 }
 724                 else if( !strcmp( argv[ i ],  "-samplesize" ) )
 725                 {
 726                         sampleSize = atoi( argv[ i + 1 ] );
 727                         if( sampleSize < 1 )
 728                                 sampleSize = 1;
 729                         i++;
 730                         Sys_Printf( "Lightmap sample size set to %dx%d units\n", sampleSize, sampleSize );
 731                 }
 732                 else if( !strcmp( argv[ i ],  "-custinfoparms") )
 733                 {
 734                         Sys_Printf( "Custom info parms enabled\n" );
 735                         useCustomInfoParms = qtrue;
 736                 }
 737
 738                 /* sof2 args */
 739                 else if( !strcmp( argv[ i ], "-rename" ) )
 740                 {
 741                         Sys_Printf( "Appending _bsp suffix to misc_model shaders (SOF2)\n" );
 742                         renameModelShaders = qtrue;
 743                 }
 744
 745                 /* ydnar args */
 746                 else if( !strcmp( argv[ i ],  "-ne" ) )
 747                 {
 748                         normalEpsilon = atof( argv[ i + 1 ] );
 749                         i++;
 750                         Sys_Printf( "Normal epsilon set to %f\n", normalEpsilon );
 751                 }
 752                 else if( !strcmp( argv[ i ],  "-de" ) )
 753                 {
 754                         distanceEpsilon = atof( argv[ i + 1 ] );
 755                         i++;
 756                         Sys_Printf( "Distance epsilon set to %f\n", distanceEpsilon );
 757                 }
 758                 else if( !strcmp( argv[ i ],  "-mv" ) )
 759                 {
 760                         maxSurfaceVerts = atoi( argv[ i + 1 ] );
 761                         if( maxSurfaceVerts < 3 )
 762                                 maxSurfaceVerts = 3;
 763                         i++;
 764                         Sys_Printf( "Maximum per-surface vertex count set to %d\n", maxSurfaceVerts );
 765                 }
 766                 else if( !strcmp( argv[ i ],  "-mi" ) )
 767                 {
 768                         maxSurfaceIndexes = atoi( argv[ i + 1 ] );
 769                         if( maxSurfaceIndexes < 3 )
 770                                 maxSurfaceIndexes = 3;
 771                         i++;
 772                         Sys_Printf( "Maximum per-surface index count set to %d\n", maxSurfaceIndexes );
 773                 }
 774                 else if( !strcmp( argv[ i ], "-np" ) )
 775                 {
 776                         npDegrees = atof( argv[ i + 1 ] );
 777                         if( npDegrees < 0.0f )
 778                                 shadeAngleDegrees = 0.0f;
 779                         else if( npDegrees > 0.0f )
 780                                 Sys_Printf( "Forcing nonplanar surfaces with a breaking angle of %f degrees\n", npDegrees );
 781                         i++;
 782                 }
 783                 else if( !strcmp( argv[ i ],  "-snap" ) )
 784                 {
 785                         bevelSnap = atoi( argv[ i + 1 ]);
 786                         if( bevelSnap < 0 )
 787                                 bevelSnap = 0;
 788                         i++;
 789                         if( bevelSnap > 0 )
 790                                 Sys_Printf( "Snapping brush bevel planes to %d units\n", bevelSnap );
 791                 }
 792                 else if( !strcmp( argv[ i ],  "-texrange" ) )
 793                 {
 794                         texRange = atoi( argv[ i + 1 ]);
 795                         if( texRange < 0 )
 796                                 texRange = 0;
 797                         i++;
 798                         Sys_Printf( "Limiting per-surface texture range to %d texels\n", texRange );
 799                 }
 800                 else if( !strcmp( argv[ i ], "-nohint" ) )
 801                 {
 802                         Sys_Printf( "Hint brushes disabled\n" );
 803                         noHint = qtrue;
 804                 }
 805                 else if( !strcmp( argv[ i ], "-flat" ) )
 806                 {
 807                         Sys_Printf( "Flatshading enabled\n" );
 808                         flat = qtrue;
 809                 }
 810                 else if( !strcmp( argv[ i ], "-meta" ) )
 811                 {
 812                         Sys_Printf( "Creating meta surfaces from brush faces\n" );
 813                         meta = qtrue;
 814                 }
 815                 else if( !strcmp( argv[ i ], "-patchmeta" ) )
 816                 {
 817                         Sys_Printf( "Creating meta surfaces from patches\n" );
 818                         patchMeta = qtrue;
 819                 }
 820                 else if( !strcmp( argv[ i ], "-flares" ) )
 821                 {
 822                         Sys_Printf( "Flare surfaces enabled\n" );
 823                         emitFlares = qtrue;
 824                 }
 825                 else if( !strcmp( argv[ i ], "-noflares" ) )
 826                 {
 827                         Sys_Printf( "Flare surfaces disabled\n" );
 828                         emitFlares = qfalse;
 829                 }
 830                 else if( !strcmp( argv[ i ], "-skyfix" ) )
 831                 {
 832                         Sys_Printf( "GL_CLAMP sky fix/hack/workaround enabled\n" );
 833                         skyFixHack = qtrue;
 834                 }
 835                 else if( !strcmp( argv[ i ], "-debugsurfaces" ) )
 836                 {
 837                         Sys_Printf( "emitting debug surfaces\n" );
 838                         debugSurfaces = qtrue;
 839                 }
 840                 else if( !strcmp( argv[ i ], "-debuginset" ) )
 841                 {
 842                         Sys_Printf( "Debug surface triangle insetting enabled\n" );
 843                         debugInset = qtrue;
 844                 }
 845                 else if( !strcmp( argv[ i ], "-debugportals" ) )
 846                 {
 847                         Sys_Printf( "Debug portal surfaces enabled\n" );
 848                         debugPortals = qtrue;
 849                 }
 850                 else if( !strcmp( argv[ i ], "-bsp" ) )
 851                         Sys_Printf( "-bsp argument unnecessary\n" );
 852                 else
 853                         Sys_Printf( "WARNING: Unknown option \"%s\"\n", argv[ i ] );
 854         }
 855
 856         /* fixme: print more useful usage here */
 857         if( i != (argc - 1) )
 858                 Error( "usage: q3map [options] mapfile" );
 859
 860         /* copy source name */
 861         strcpy( source, ExpandArg( argv[ i ] ) );
 862         StripExtension( source );
 863
 864         /* ydnar: set default sample size */
 865         SetDefaultSampleSize( sampleSize );
 866
 867         /* delete portal, line and surface files */
 868         sprintf( path, "%s.prt", source );
 869         remove( path );
 870         sprintf( path, "%s.lin", source );
 871         remove( path );
 872         //%     sprintf( path, "%s.srf", source );      /* ydnar */
 873         //%     remove( path );
 874
 875         /* expand mapname */
 876         strcpy( name, ExpandArg( argv[ i ] ) );
 877         if( strcmp( name + strlen( name ) - 4, ".reg" ) )
 878         {
 879                 /* if we are doing a full map, delete the last saved region map */
 880                 sprintf( path, "%s.reg", source );
 881                 remove( path );
 882                 DefaultExtension( name, ".map" );       /* might be .reg */
 883         }
 884
 885         /* if onlyents, just grab the entites and resave */
 886         if( onlyents )
 887         {
 888                 OnlyEnts();
 889                 return 0;
 890         }
 891
 892         /* load shaders */
 893         LoadShaderInfo();
 894
 895         /* load original file from temp spot in case it was renamed by the editor on the way in */
 896         if( strlen( tempSource ) > 0 )
 897                 LoadMapFile( tempSource, qfalse );
 898         else
 899                 LoadMapFile( name, qfalse );
 900
 901         /* ydnar: decal setup */
 902         ProcessDecals();
 903
 904         /* ydnar: cloned brush model entities */
 905         SetCloneModelNumbers();
 906
 907         /* process world and submodels */
 908         ProcessModels();
 909
 910         /* set light styles from targetted light entities */
 911         SetLightStyles();
 912
 913         /* process in game advertisements */
 914         ProcessAdvertisements();
 915
 916         /* finish and write bsp */
 917         EndBSPFile();
 918
 919         /* remove temp map source file if appropriate */
 920         if( strlen( tempSource ) > 0)
 921                 remove( tempSource );
 922
 923         /* return to sender */
 924         return 0;
 925 }
 926