tools/quake3/q3map2/bsp.c

   1 /* -------------------------------------------------------------------------------
   2
   3 Copyright (C) 1999-2007 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 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         /* sets integer blockSize from worldspawn "_blocksize" key if it exists */
 267         value = ValueForKey( &entities[ 0 ], "_blocksize" );
 268         if( value[ 0 ] == '\0' )
 269                 value = ValueForKey( &entities[ 0 ], "blocksize" );
 270         if( value[ 0 ] == '\0' )
 271                 value = ValueForKey( &entities[ 0 ], "chopsize" );      /* sof2 */
 272         if( value[ 0 ] != '\0' )
 273         {
 274                 /* scan 3 numbers */
 275                 s = sscanf( value, "%d %d %d", &blockSize[ 0 ], &blockSize[ 1 ], &blockSize[ 2 ] );
 276
 277                 /* handle legacy case */
 278                 if( s == 1 )
 279                 {
 280                         blockSize[ 1 ] = blockSize[ 0 ];
 281                         blockSize[ 2 ] = blockSize[ 0 ];
 282                 }
 283         }
 284         Sys_Printf( "block size = { %d %d %d }\n", blockSize[ 0 ], blockSize[ 1 ], blockSize[ 2 ] );
 285
 286         /* sof2: ignore leaks? */
 287         value = ValueForKey( &entities[ 0 ], "_ignoreleaks" );  /* ydnar */
 288         if( value[ 0 ] == '\0' )
 289                 value = ValueForKey( &entities[ 0 ], "ignoreleaks" );
 290         if( value[ 0 ] == '1' )
 291                 ignoreLeaks = qtrue;
 292         else
 293                 ignoreLeaks = qfalse;
 294
 295         /* begin worldspawn model */
 296         BeginModel();
 297         e = &entities[ 0 ];
 298         e->firstDrawSurf = 0;
 299
 300         /* ydnar: gs mods */
 301         ClearMetaTriangles();
 302
 303         /* check for patches with adjacent edges that need to lod together */
 304         PatchMapDrawSurfs( e );
 305
 306         /* build an initial bsp tree using all of the sides of all of the structural brushes */
 307         faces = MakeStructuralBSPFaceList( entities[ 0 ].brushes );
 308         tree = FaceBSP( faces );
 309         MakeTreePortals( tree );
 310         FilterStructuralBrushesIntoTree( e, tree );
 311
 312         /* see if the bsp is completely enclosed */
 313         if( FloodEntities( tree ) || ignoreLeaks )
 314         {
 315                 /* rebuild a better bsp tree using only the sides that are visible from the inside */
 316                 FillOutside( tree->headnode );
 317
 318                 /* chop the sides to the convex hull of their visible fragments, giving us the smallest polygons */
 319                 ClipSidesIntoTree( e, tree );
 320
 321                 /* build a visible face tree */
 322                 faces = MakeVisibleBSPFaceList( entities[ 0 ].brushes );
 323                 FreeTree( tree );
 324                 tree = FaceBSP( faces );
 325                 MakeTreePortals( tree );
 326                 FilterStructuralBrushesIntoTree( e, tree );
 327                 leaked = qfalse;
 328
 329                 /* ydnar: flood again for skybox */
 330                 if( skyboxPresent )
 331                         FloodEntities( tree );
 332         }
 333         else
 334         {
 335                 Sys_FPrintf( SYS_NOXML, "**********************\n" );
 336                 Sys_FPrintf( SYS_NOXML, "******* leaked *******\n" );
 337                 Sys_FPrintf( SYS_NOXML, "**********************\n" );
 338                 polyline = LeakFile( tree );
 339                 leaknode = xmlNewNode( NULL, "message" );
 340                 xmlNodeSetContent( leaknode, "MAP LEAKED\n" );
 341                 xmlAddChild( leaknode, polyline );
 342                 level[0] = (int) '0' + SYS_ERR;
 343                 level[1] = 0;
 344                 xmlSetProp( leaknode, "level", (char*) &level );
 345                 xml_SendNode( leaknode );
 346                 if( leaktest )
 347                 {
 348                         Sys_Printf ("--- MAP LEAKED, ABORTING LEAKTEST ---\n");
 349                         exit( 0 );
 350                 }
 351                 leaked = qtrue;
 352
 353                 /* chop the sides to the convex hull of their visible fragments, giving us the smallest polygons */
 354                 ClipSidesIntoTree( e, tree );
 355         }
 356
 357         /* save out information for visibility processing */
 358         NumberClusters( tree );
 359         if( !leaked )
 360                 WritePortalFile( tree );
 361
 362         /* flood from entities */
 363         FloodAreas( tree );
 364
 365         /* create drawsurfs for triangle models */
 366         AddTriangleModels( e );
 367
 368         /* create drawsurfs for surface models */
 369         AddEntitySurfaceModels( e );
 370
 371         /* generate bsp brushes from map brushes */
 372         EmitBrushes( e->brushes, &e->firstBrush, &e->numBrushes );
 373
 374         /* add references to the detail brushes */
 375         FilterDetailBrushesIntoTree( e, tree );
 376
 377         /* drawsurfs that cross fog boundaries will need to be split along the fog boundary */
 378         if( !nofog )
 379                 FogDrawSurfaces( e );
 380
 381         /* subdivide each drawsurf as required by shader tesselation */
 382         if( !nosubdivide )
 383                 SubdivideFaceSurfaces( e, tree );
 384
 385         /* add in any vertexes required to fix t-junctions */
 386         if( !notjunc )
 387                 FixTJunctions( e );
 388
 389         /* ydnar: classify the surfaces */
 390         ClassifyEntitySurfaces( e );
 391
 392         /* ydnar: project decals */
 393         MakeEntityDecals( e );
 394
 395         /* ydnar: meta surfaces */
 396         MakeEntityMetaTriangles( e );
 397         SmoothMetaTriangles();
 398         FixMetaTJunctions();
 399         MergeMetaTriangles();
 400
 401         /* ydnar: debug portals */
 402         if( debugPortals )
 403                 MakeDebugPortalSurfs( tree );
 404
 405         /* ydnar: fog hull */
 406         value = ValueForKey( &entities[ 0 ], "_foghull" );
 407         if( value[ 0 ] != '\0' )
 408         {
 409                 sprintf( shader, "textures/%s", value );
 410                 MakeFogHullSurfs( e, tree, shader );
 411         }
 412
 413         /* ydnar: bug 645: do flares for lights */
 414         for( i = 0; i < numEntities && emitFlares; i++ )
 415         {
 416                 entity_t        *light, *target;
 417                 const char      *value, *flareShader;
 418                 vec3_t          origin, targetOrigin, normal, color;
 419                 int                     lightStyle;
 420
 421
 422                 /* get light */
 423                 light = &entities[ i ];
 424                 value = ValueForKey( light, "classname" );
 425                 if( !strcmp( value, "light" ) )
 426                 {
 427                         /* get flare shader */
 428                         flareShader = ValueForKey( light, "_flareshader" );
 429                         value = ValueForKey( light, "_flare" );
 430                         if( flareShader[ 0 ] != '\0' || value[ 0 ] != '\0' )
 431                         {
 432                                 /* get specifics */
 433                                 GetVectorForKey( light, "origin", origin );
 434                                 GetVectorForKey( light, "_color", color );
 435                                 lightStyle = IntForKey( light, "_style" );
 436                                 if( lightStyle == 0 )
 437                                         lightStyle = IntForKey( light, "style" );
 438
 439                                 /* handle directional spotlights */
 440                                 value = ValueForKey( light, "target" );
 441                                 if( value[ 0 ] != '\0' )
 442                                 {
 443                                         /* get target light */
 444                                         target = FindTargetEntity( value );
 445                                         if( target != NULL )
 446                                         {
 447                                                 GetVectorForKey( target, "origin", targetOrigin );
 448                                                 VectorSubtract( targetOrigin, origin, normal );
 449                                                 VectorNormalize( normal, normal );
 450                                         }
 451                                 }
 452                                 else
 453                                         //%     VectorClear( normal );
 454                                         VectorSet( normal, 0, 0, -1 );
 455
 456                                 /* create the flare surface (note shader defaults automatically) */
 457                                 DrawSurfaceForFlare( mapEntityNum, origin, normal, color, (char*) flareShader, lightStyle );
 458                         }
 459                 }
 460         }
 461
 462         /* add references to the final drawsurfs in the apropriate clusters */
 463         FilterDrawsurfsIntoTree( e, tree );
 464
 465         /* match drawsurfaces back to original brushsides (sof2) */
 466         FixBrushSides( e );
 467
 468         /* finish */
 469         EndModel( e, tree->headnode );
 470         FreeTree( tree );
 471 }
 472
 473
 474
 475 /*
 476 ProcessSubModel()
 477 creates bsp + surfaces for other brush models
 478 */
 479
 480 void ProcessSubModel( void )
 481 {
 482         entity_t        *e;
 483         tree_t          *tree;
 484         brush_t         *b, *bc;
 485         node_t          *node;
 486
 487
 488         /* start a brush model */
 489         BeginModel();
 490         e = &entities[ mapEntityNum ];
 491         e->firstDrawSurf = numMapDrawSurfs;
 492
 493         /* ydnar: gs mods */
 494         ClearMetaTriangles();
 495
 496         /* check for patches with adjacent edges that need to lod together */
 497         PatchMapDrawSurfs( e );
 498
 499         /* allocate a tree */
 500         node = AllocNode();
 501         node->planenum = PLANENUM_LEAF;
 502         tree = AllocTree();
 503         tree->headnode = node;
 504
 505         /* add the sides to the tree */
 506         ClipSidesIntoTree( e, tree );
 507
 508         /* ydnar: create drawsurfs for triangle models */
 509         AddTriangleModels( e );
 510
 511         /* create drawsurfs for surface models */
 512         AddEntitySurfaceModels( e );
 513
 514         /* generate bsp brushes from map brushes */
 515         EmitBrushes( e->brushes, &e->firstBrush, &e->numBrushes );
 516
 517         /* just put all the brushes in headnode */
 518         for( b = e->brushes; b; b = b->next )
 519         {
 520                 bc = CopyBrush( b );
 521                 bc->next = node->brushlist;
 522                 node->brushlist = bc;
 523         }
 524
 525         /* subdivide each drawsurf as required by shader tesselation */
 526         if( !nosubdivide )
 527                 SubdivideFaceSurfaces( e, tree );
 528
 529         /* add in any vertexes required to fix t-junctions */
 530         if( !notjunc )
 531                 FixTJunctions( e );
 532
 533         /* ydnar: classify the surfaces and project lightmaps */
 534         ClassifyEntitySurfaces( e );
 535
 536         /* ydnar: project decals */
 537         MakeEntityDecals( e );
 538
 539         /* ydnar: meta surfaces */
 540         MakeEntityMetaTriangles( e );
 541         SmoothMetaTriangles();
 542         FixMetaTJunctions();
 543         MergeMetaTriangles();
 544
 545         /* add references to the final drawsurfs in the apropriate clusters */
 546         FilterDrawsurfsIntoTree( e, tree );
 547
 548         /* match drawsurfaces back to original brushsides (sof2) */
 549         FixBrushSides( e );
 550
 551         /* finish */
 552         EndModel( e, node );
 553         FreeTree( tree );
 554 }
 555
 556
 557
 558 /*
 559 ProcessModels()
 560 process world + other models into the bsp
 561 */
 562
 563 void ProcessModels( void )
 564 {
 565         qboolean        oldVerbose;
 566         entity_t        *entity;
 567
 568
 569         /* preserve -v setting */
 570         oldVerbose = verbose;
 571
 572         /* start a new bsp */
 573         BeginBSPFile();
 574
 575         /* create map fogs */
 576         CreateMapFogs();
 577
 578         /* walk entity list */
 579         for( mapEntityNum = 0; mapEntityNum < numEntities; mapEntityNum++ )
 580         {
 581                 /* get entity */
 582                 entity = &entities[ mapEntityNum ];
 583                 if( entity->brushes == NULL && entity->patches == NULL )
 584                         continue;
 585
 586                 /* process the model */
 587                 Sys_FPrintf( SYS_VRB, "############### model %i ###############\n", numBSPModels );
 588                 if( mapEntityNum == 0 )
 589                         ProcessWorldModel();
 590                 else
 591                         ProcessSubModel();
 592
 593                 /* potentially turn off the deluge of text */
 594                 verbose = verboseEntities;
 595         }
 596
 597         /* restore -v setting */
 598         verbose = oldVerbose;
 599
 600         /* write fogs */
 601         EmitFogs();
 602
 603         /* vortex: emit meta stats */
 604         EmitMetaStats();
 605 }
 606
 607
 608
 609 /*
 610 OnlyEnts()
 611 this is probably broken unless teamed with a radiant version that preserves entity order
 612 */
 613
 614 void OnlyEnts( void )
 615 {
 616         char out[ 1024 ];
 617
 618         char save_cmdline[1024], save_version[1024];
 619         const char *p;
 620
 621         /* note it */
 622         Sys_Printf( "--- OnlyEnts ---\n" );
 623
 624         sprintf( out, "%s.bsp", source );
 625         LoadBSPFile( out );
 626
 627         ParseEntities();
 628         p = ValueForKey(&entities[0], "_q3map2_cmdline");
 629         strncpy(save_cmdline, p, sizeof(save_cmdline));
 630         save_cmdline[sizeof(save_cmdline)-1] = 0;
 631         p = ValueForKey(&entities[0], "_q3map2_version");
 632         strncpy(save_version, p, sizeof(save_version));
 633         save_version[sizeof(save_version)-1] = 0;
 634
 635         numEntities = 0;
 636
 637         LoadShaderInfo();
 638         LoadMapFile( name, qfalse );
 639         SetModelNumbers();
 640         SetLightStyles();
 641
 642         if(*save_cmdline)
 643                 SetKeyValue(&entities[0], "_q3map2_cmdline", save_cmdline);
 644         if(*save_version)
 645                 SetKeyValue(&entities[0], "_q3map2_version", save_version);
 646
 647         numBSPEntities = numEntities;
 648         UnparseEntities();
 649
 650         WriteBSPFile( out );
 651 }
 652
 653
 654
 655 /*
 656 BSPMain() - ydnar
 657 handles creation of a bsp from a map file
 658 */
 659
 660 int BSPMain( int argc, char **argv )
 661 {
 662         int                     i;
 663         char            path[ 1024 ], tempSource[ 1024 ];
 664         qboolean        onlyents = qfalse;
 665
 666
 667         /* note it */
 668         Sys_Printf( "--- BSP ---\n" );
 669
 670         SetDrawSurfacesBuffer();
 671         mapDrawSurfs = safe_malloc( sizeof( mapDrawSurface_t ) * MAX_MAP_DRAW_SURFS );
 672         memset( mapDrawSurfs, 0, sizeof( mapDrawSurface_t ) * MAX_MAP_DRAW_SURFS );
 673         numMapDrawSurfs = 0;
 674
 675         tempSource[ 0 ] = '\0';
 676         globalCelShader[0] = 0;
 677
 678         /* set standard game flags */
 679         maxSurfaceVerts = game->maxSurfaceVerts;
 680         maxSurfaceIndexes = game->maxSurfaceIndexes;
 681         emitFlares = game->emitFlares;
 682
 683         /* process arguments */
 684         for( i = 1; i < (argc - 1); i++ )
 685         {
 686                 if( !strcmp( argv[ i ], "-onlyents" ) )
 687                 {
 688                         Sys_Printf( "Running entity-only compile\n" );
 689                         onlyents = qtrue;
 690                 }
 691                 else if( !strcmp( argv[ i ], "-tempname" ) )
 692                         strcpy( tempSource, argv[ ++i ] );
 693                 else if( !strcmp( argv[ i ], "-tmpout" ) )
 694                         strcpy( outbase, "/tmp" );
 695                 else if( !strcmp( argv[ i ],  "-nowater" ) )
 696                 {
 697                         Sys_Printf( "Disabling water\n" );
 698                         nowater = qtrue;
 699                 }
 700                 else if( !strcmp( argv[ i ],  "-nodetail" ) )
 701                 {
 702                         Sys_Printf( "Ignoring detail brushes\n") ;
 703                         nodetail = qtrue;
 704                 }
 705                 else if( !strcmp( argv[ i ],  "-fulldetail" ) )
 706                 {
 707                         Sys_Printf( "Turning detail brushes into structural brushes\n" );
 708                         fulldetail = qtrue;
 709                 }
 710                 else if( !strcmp( argv[ i ],  "-nofog" ) )
 711                 {
 712                         Sys_Printf( "Fog volumes disabled\n" );
 713                         nofog = qtrue;
 714                 }
 715                 else if( !strcmp( argv[ i ],  "-nosubdivide" ) )
 716                 {
 717                         Sys_Printf( "Disabling brush face subdivision\n" );
 718                         nosubdivide = qtrue;
 719                 }
 720                 else if( !strcmp( argv[ i ],  "-leaktest" ) )
 721                 {
 722                         Sys_Printf( "Leaktest enabled\n" );
 723                         leaktest = qtrue;
 724                 }
 725                 else if( !strcmp( argv[ i ],  "-verboseentities" ) )
 726                 {
 727                         Sys_Printf( "Verbose entities enabled\n" );
 728                         verboseEntities = qtrue;
 729                 }
 730                 else if( !strcmp( argv[ i ], "-nocurves" ) )
 731                 {
 732                         Sys_Printf( "Ignoring curved surfaces (patches)\n" );
 733                         noCurveBrushes = qtrue;
 734                 }
 735                 else if( !strcmp( argv[ i ], "-notjunc" ) )
 736                 {
 737                         Sys_Printf( "T-junction fixing disabled\n" );
 738                         notjunc = qtrue;
 739                 }
 740                 else if( !strcmp( argv[ i ], "-fakemap" ) )
 741                 {
 742                         Sys_Printf( "Generating fakemap.map\n" );
 743                         fakemap = qtrue;
 744                 }
 745                 else if( !strcmp( argv[ i ],  "-samplesize" ) )
 746                 {
 747                         sampleSize = atoi( argv[ i + 1 ] );
 748                         if( sampleSize < 1 )
 749                                 sampleSize = 1;
 750                         i++;
 751                         Sys_Printf( "Lightmap sample size set to %dx%d units\n", sampleSize, sampleSize );
 752                 }
 753                 else if( !strcmp( argv[ i ], "-minsamplesize" ) )
 754                 {
 755                         minSampleSize = atoi( argv[ i + 1 ] );
 756                         if( minSampleSize < 1 )
 757                                 minSampleSize = 1;
 758                         i++;
 759                         Sys_Printf( "Minimum lightmap sample size set to %dx%d units\n", minSampleSize, minSampleSize );
 760                 }
 761                 else if( !strcmp( argv[ i ],  "-custinfoparms") )
 762                 {
 763                         Sys_Printf( "Custom info parms enabled\n" );
 764                         useCustomInfoParms = qtrue;
 765                 }
 766
 767                 /* sof2 args */
 768                 else if( !strcmp( argv[ i ], "-rename" ) )
 769                 {
 770                         Sys_Printf( "Appending _bsp suffix to misc_model shaders (SOF2)\n" );
 771                         renameModelShaders = qtrue;
 772                 }
 773
 774                 /* ydnar args */
 775                 else if( !strcmp( argv[ i ],  "-ne" ) )
 776                 {
 777                         normalEpsilon = atof( argv[ i + 1 ] );
 778                         i++;
 779                         Sys_Printf( "Normal epsilon set to %f\n", normalEpsilon );
 780                 }
 781                 else if( !strcmp( argv[ i ],  "-de" ) )
 782                 {
 783                         distanceEpsilon = atof( argv[ i + 1 ] );
 784                         i++;
 785                         Sys_Printf( "Distance epsilon set to %f\n", distanceEpsilon );
 786                 }
 787                 else if( !strcmp( argv[ i ],  "-mv" ) )
 788                 {
 789                         maxLMSurfaceVerts = atoi( argv[ i + 1 ] );
 790                         if( maxLMSurfaceVerts < 3 )
 791                                 maxLMSurfaceVerts = 3;
 792                         if( maxLMSurfaceVerts > maxSurfaceVerts )
 793                                 maxSurfaceVerts = maxLMSurfaceVerts;
 794                         i++;
 795                         Sys_Printf( "Maximum lightmapped surface vertex count set to %d\n", maxLMSurfaceVerts );
 796                 }
 797                 else if( !strcmp( argv[ i ],  "-mi" ) )
 798                 {
 799                         maxSurfaceIndexes = atoi( argv[ i + 1 ] );
 800                         if( maxSurfaceIndexes < 3 )
 801                                 maxSurfaceIndexes = 3;
 802                         i++;
 803                         Sys_Printf( "Maximum per-surface index count set to %d\n", maxSurfaceIndexes );
 804                 }
 805                 else if( !strcmp( argv[ i ], "-np" ) )
 806                 {
 807                         npDegrees = atof( argv[ i + 1 ] );
 808                         if( npDegrees < 0.0f )
 809                                 shadeAngleDegrees = 0.0f;
 810                         else if( npDegrees > 0.0f )
 811                                 Sys_Printf( "Forcing nonplanar surfaces with a breaking angle of %f degrees\n", npDegrees );
 812                         i++;
 813                 }
 814                 else if( !strcmp( argv[ i ],  "-snap" ) )
 815                 {
 816                         bevelSnap = atoi( argv[ i + 1 ]);
 817                         if( bevelSnap < 0 )
 818                                 bevelSnap = 0;
 819                         i++;
 820                         if( bevelSnap > 0 )
 821                                 Sys_Printf( "Snapping brush bevel planes to %d units\n", bevelSnap );
 822                 }
 823                 else if( !strcmp( argv[ i ],  "-texrange" ) )
 824                 {
 825                         texRange = atoi( argv[ i + 1 ]);
 826                         if( texRange < 0 )
 827                                 texRange = 0;
 828                         i++;
 829                         Sys_Printf( "Limiting per-surface texture range to %d texels\n", texRange );
 830                 }
 831                 else if( !strcmp( argv[ i ], "-nohint" ) )
 832                 {
 833                         Sys_Printf( "Hint brushes disabled\n" );
 834                         noHint = qtrue;
 835                 }
 836                 else if( !strcmp( argv[ i ], "-flat" ) )
 837                 {
 838                         Sys_Printf( "Flatshading enabled\n" );
 839                         flat = qtrue;
 840                 }
 841                 else if( !strcmp( argv[ i ], "-celshader" ) )
 842                 {
 843                         ++i;
 844                         if(argv[i][0])
 845                                 sprintf( globalCelShader, "textures/%s", argv[ i ] );
 846                         else
 847                                 *globalCelShader = 0;
 848                         Sys_Printf( "Global cel shader set to \"%s\"\n", globalCelShader );
 849                 }
 850                 else if( !strcmp( argv[ i ], "-meta" ) )
 851                 {
 852                         Sys_Printf( "Creating meta surfaces from brush faces\n" );
 853                         meta = qtrue;
 854                 }
 855                 else if( !strcmp( argv[ i ], "-patchmeta" ) )
 856                 {
 857                         Sys_Printf( "Creating meta surfaces from patches\n" );
 858                         patchMeta = qtrue;
 859                 }
 860                 else if( !strcmp( argv[ i ], "-flares" ) )
 861                 {
 862                         Sys_Printf( "Flare surfaces enabled\n" );
 863                         emitFlares = qtrue;
 864                 }
 865                 else if( !strcmp( argv[ i ], "-noflares" ) )
 866                 {
 867                         Sys_Printf( "Flare surfaces disabled\n" );
 868                         emitFlares = qfalse;
 869                 }
 870                 else if( !strcmp( argv[ i ], "-skyfix" ) )
 871                 {
 872                         Sys_Printf( "GL_CLAMP sky fix/hack/workaround enabled\n" );
 873                         skyFixHack = qtrue;
 874                 }
 875                 else if( !strcmp( argv[ i ], "-debugsurfaces" ) )
 876                 {
 877                         Sys_Printf( "emitting debug surfaces\n" );
 878                         debugSurfaces = qtrue;
 879                 }
 880                 else if( !strcmp( argv[ i ], "-debuginset" ) )
 881                 {
 882                         Sys_Printf( "Debug surface triangle insetting enabled\n" );
 883                         debugInset = qtrue;
 884                 }
 885                 else if( !strcmp( argv[ i ], "-debugportals" ) )
 886                 {
 887                         Sys_Printf( "Debug portal surfaces enabled\n" );
 888                         debugPortals = qtrue;
 889                 }
 890                 else if( !strcmp( argv[ i ], "-altsplit" ) )
 891                 {
 892                         Sys_Printf( "Alternate BSP splitting (by 27) enabled\n" );
 893                         bspAlternateSplitWeights = qtrue;
 894                 }
 895                 else if( !strcmp( argv[ i ], "-deep" ) )
 896                 {
 897                         Sys_Printf( "Deep BSP tree generation enabled\n" );
 898                         deepBSP = qtrue;
 899                 }
 900                 else if( !strcmp( argv[ i ], "-bsp" ) )
 901                         Sys_Printf( "-bsp argument unnecessary\n" );
 902                 else
 903                 {
 904                         Sys_Printf( "WARNING: Unknown option \"%s\"\n", argv[ i ] );
 905                 }
 906         }
 907
 908         /* fixme: print more useful usage here */
 909         if( i != (argc - 1) )
 910                 Error( "usage: q3map [options] mapfile" );
 911
 912         /* copy source name */
 913         strcpy( source, ExpandArg( argv[ i ] ) );
 914         StripExtension( source );
 915
 916         /* ydnar: set default sample size */
 917         SetDefaultSampleSize( sampleSize );
 918
 919         /* delete portal, line and surface files */
 920         sprintf( path, "%s.prt", source );
 921         remove( path );
 922         sprintf( path, "%s.lin", source );
 923         remove( path );
 924         //%     sprintf( path, "%s.srf", source );      /* ydnar */
 925         //%     remove( path );
 926
 927         /* expand mapname */
 928         strcpy( name, ExpandArg( argv[ i ] ) );
 929         if( strcmp( name + strlen( name ) - 4, ".reg" ) )
 930         {
 931                 /* if we are doing a full map, delete the last saved region map */
 932                 sprintf( path, "%s.reg", source );
 933                 remove( path );
 934                 DefaultExtension( name, ".map" );       /* might be .reg */
 935         }
 936
 937         /* if onlyents, just grab the entites and resave */
 938         if( onlyents )
 939         {
 940                 OnlyEnts();
 941                 return 0;
 942         }
 943
 944         /* load shaders */
 945         LoadShaderInfo();
 946
 947         /* load original file from temp spot in case it was renamed by the editor on the way in */
 948         if( strlen( tempSource ) > 0 )
 949                 LoadMapFile( tempSource, qfalse );
 950         else
 951                 LoadMapFile( name, qfalse );
 952
 953         /* div0: inject command line parameters */
 954         InjectCommandLine(argv, 1, argc - 1);
 955
 956         /* ydnar: decal setup */
 957         ProcessDecals();
 958
 959         /* ydnar: cloned brush model entities */
 960         SetCloneModelNumbers();
 961
 962         /* process world and submodels */
 963         ProcessModels();
 964
 965         /* set light styles from targetted light entities */
 966         SetLightStyles();
 967
 968         /* process in game advertisements */
 969         ProcessAdvertisements();
 970
 971         /* finish and write bsp */
 972         EndBSPFile();
 973
 974         /* remove temp map source file if appropriate */
 975         if( strlen( tempSource ) > 0)
 976                 remove( tempSource );
 977
 978         /* return to sender */
 979         return 0;
 980 }
 981