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 ], "_ins" );
 141                 if( value[ 0 ] == '\0' )
 142                         value = ValueForKey( &entities[ i ], "_instance" );
 143                 if( value[ 0 ] == '\0' )
 144                         value = ValueForKey( &entities[ i ], "_clone" );
 145                 if( value[ 0 ] != '\0' )
 146                         continue;
 147
 148                 /* add the model key */
 149                 sprintf( modelValue, "*%d", models );
 150                 SetKeyValue( &entities[ i ], "model", modelValue );
 151
 152                 /* increment model count */
 153                 models++;
 154         }
 155
 156         /* fix up clones */
 157         for( i = 1; i < numEntities; i++ )
 158         {
 159                 /* only entities with brushes or patches get a model number */
 160                 if( entities[ i ].brushes == NULL && entities[ i ].patches == NULL )
 161                         continue;
 162
 163                 /* is this a clone? */
 164                 value = ValueForKey( &entities[ i ], "_ins" );
 165                 if( value[ 0 ] == '\0' )
 166                         value = ValueForKey( &entities[ i ], "_instance" );
 167                 if( value[ 0 ] == '\0' )
 168                         value = ValueForKey( &entities[ i ], "_clone" );
 169                 if( value[ 0 ] == '\0' )
 170                         continue;
 171
 172                 /* find an entity with matching clone name */
 173                 for( j = 0; j < numEntities; j++ )
 174                 {
 175                         /* is this a clone parent? */
 176                         value2 = ValueForKey( &entities[ j ], "_clonename" );
 177                         if( value2[ 0 ] == '\0' )
 178                                 continue;
 179
 180                         /* do they match? */
 181                         if( strcmp( value, value2 ) == 0 )
 182                         {
 183                                 /* get the model num */
 184                                 value3 = ValueForKey( &entities[ j ], "model" );
 185                                 if( value3[ 0 ] == '\0' )
 186                                 {
 187                                         Sys_Printf( "WARNING: Cloned entity %s referenced entity without model\n", value2 );
 188                                         continue;
 189                                 }
 190                                 models = atoi( &value2[ 1 ] );
 191
 192                                 /* add the model key */
 193                                 sprintf( modelValue, "*%d", models );
 194                                 SetKeyValue( &entities[ i ], "model", modelValue );
 195
 196                                 /* nuke the brushes/patches for this entity (fixme: leak!) */
 197                                 entities[ i ].brushes = NULL;
 198                                 entities[ i ].patches = NULL;
 199                         }
 200                 }
 201         }
 202 }
 203
 204
 205
 206 /*
 207 FixBrushSides() - ydnar
 208 matches brushsides back to their appropriate drawsurface and shader
 209 */
 210
 211 static void FixBrushSides( entity_t *e )
 212 {
 213         int                                     i;
 214         mapDrawSurface_t        *ds;
 215         sideRef_t                       *sideRef;
 216         bspBrushSide_t          *side;
 217
 218
 219         /* note it */
 220         Sys_FPrintf( SYS_VRB, "--- FixBrushSides ---\n" );
 221
 222         /* walk list of drawsurfaces */
 223         for( i = e->firstDrawSurf; i < numMapDrawSurfs; i++ )
 224         {
 225                 /* get surface and try to early out */
 226                 ds = &mapDrawSurfs[ i ];
 227                 if( ds->outputNum < 0 )
 228                         continue;
 229
 230                 /* walk sideref list */
 231                 for( sideRef = ds->sideRef; sideRef != NULL; sideRef = sideRef->next )
 232                 {
 233                         /* get bsp brush side */
 234                         if( sideRef->side == NULL || sideRef->side->outputNum < 0 )
 235                                 continue;
 236                         side = &bspBrushSides[ sideRef->side->outputNum ];
 237
 238                         /* set drawsurface */
 239                         side->surfaceNum = ds->outputNum;
 240                         //%     Sys_FPrintf( SYS_VRB, "DS: %7d Side: %7d     ", ds->outputNum, sideRef->side->outputNum );
 241
 242                         /* set shader */
 243                         if( strcmp( bspShaders[ side->shaderNum ].shader, ds->shaderInfo->shader ) )
 244                         {
 245                                 //%     Sys_FPrintf( SYS_VRB, "Remapping %s to %s\n", bspShaders[ side->shaderNum ].shader, ds->shaderInfo->shader );
 246                                 side->shaderNum = EmitShader( ds->shaderInfo->shader, &ds->shaderInfo->contentFlags, &ds->shaderInfo->surfaceFlags );
 247                         }
 248                 }
 249         }
 250 }
 251
 252
 253
 254 /*
 255 ProcessWorldModel()
 256 creates a full bsp + surfaces for the worldspawn entity
 257 */
 258
 259 void ProcessWorldModel( void )
 260 {
 261         int                     i, s;
 262         entity_t        *e;
 263         tree_t          *tree;
 264         face_t          *faces;
 265         qboolean        ignoreLeaks, leaked;
 266         xmlNodePtr      polyline, leaknode;
 267         char            level[ 2 ], shader[ 1024 ];
 268         const char      *value;
 269         int             leakStatus;
 270
 271         /* sets integer blockSize from worldspawn "_blocksize" key if it exists */
 272         value = ValueForKey( &entities[ 0 ], "_blocksize" );
 273         if( value[ 0 ] == '\0' )
 274                 value = ValueForKey( &entities[ 0 ], "blocksize" );
 275         if( value[ 0 ] == '\0' )
 276                 value = ValueForKey( &entities[ 0 ], "chopsize" );      /* sof2 */
 277         if( value[ 0 ] != '\0' )
 278         {
 279                 /* scan 3 numbers */
 280                 s = sscanf( value, "%d %d %d", &blockSize[ 0 ], &blockSize[ 1 ], &blockSize[ 2 ] );
 281
 282                 /* handle legacy case */
 283                 if( s == 1 )
 284                 {
 285                         blockSize[ 1 ] = blockSize[ 0 ];
 286                         blockSize[ 2 ] = blockSize[ 0 ];
 287                 }
 288         }
 289         Sys_Printf( "block size = { %d %d %d }\n", blockSize[ 0 ], blockSize[ 1 ], blockSize[ 2 ] );
 290
 291         /* sof2: ignore leaks? */
 292         value = ValueForKey( &entities[ 0 ], "_ignoreleaks" );  /* ydnar */
 293         if( value[ 0 ] == '\0' )
 294                 value = ValueForKey( &entities[ 0 ], "ignoreleaks" );
 295         if( value[ 0 ] == '1' )
 296                 ignoreLeaks = qtrue;
 297         else
 298                 ignoreLeaks = qfalse;
 299
 300         /* begin worldspawn model */
 301         BeginModel();
 302         e = &entities[ 0 ];
 303         e->firstDrawSurf = 0;
 304
 305         /* ydnar: gs mods */
 306         ClearMetaTriangles();
 307
 308         /* check for patches with adjacent edges that need to lod together */
 309         PatchMapDrawSurfs( e );
 310
 311         /* build an initial bsp tree using all of the sides of all of the structural brushes */
 312         faces = MakeStructuralBSPFaceList( entities[ 0 ].brushes );
 313         tree = FaceBSP( faces );
 314         MakeTreePortals( tree );
 315         FilterStructuralBrushesIntoTree( e, tree );
 316
 317         /* see if the bsp is completely enclosed */
 318         leakStatus = FloodEntities(tree);
 319         if (ignoreLeaks)
 320                 if(leakStatus == FLOODENTITIES_LEAKED)
 321                         leakStatus = FLOODENTITIES_GOOD;
 322
 323         if ( leakStatus == FLOODENTITIES_GOOD )
 324         {
 325                 leaked = qfalse;
 326         }
 327         else
 328         {
 329                 leaked = qtrue;
 330
 331                 Sys_FPrintf( SYS_NOXML, "**********************\n" );
 332                 Sys_FPrintf( SYS_NOXML, "******* leaked *******\n" );
 333                 Sys_FPrintf( SYS_NOXML, "**********************\n" );
 334                 polyline = LeakFile( tree );
 335                 leaknode = xmlNewNode( NULL, (xmlChar*)"message" );
 336                 xmlNodeSetContent( leaknode, (xmlChar*)"MAP LEAKED\n" );
 337                 xmlAddChild( leaknode, polyline );
 338                 level[0] = (int) '0' + SYS_ERR;
 339                 level[1] = 0;
 340                 xmlSetProp( leaknode, (xmlChar*)"level", (xmlChar*) &level );
 341                 xml_SendNode( leaknode );
 342                 if( leaktest )
 343                 {
 344                         Sys_Printf ("--- MAP LEAKED, ABORTING LEAKTEST ---\n");
 345                         exit( 0 );
 346                 }
 347         }
 348
 349         if(leakStatus != FLOODENTITIES_EMPTY) /* if no entities exist, this would accidentally the whole map, and that IS bad */
 350         {
 351                 /* rebuild a better bsp tree using only the sides that are visible from the inside */
 352                 FillOutside( tree->headnode );
 353
 354                 /* chop the sides to the convex hull of their visible fragments, giving us the smallest polygons */
 355                 ClipSidesIntoTree( e, tree );
 356
 357                 /* build a visible face tree (same thing as the initial bsp tree but after reducing the faces) */
 358                 faces = MakeVisibleBSPFaceList( entities[ 0 ].brushes );
 359                 FreeTree( tree );
 360                 tree = FaceBSP( faces );
 361                 MakeTreePortals( tree );
 362                 FilterStructuralBrushesIntoTree( e, tree );
 363
 364                 /* ydnar: flood again for skybox */
 365                 if( skyboxPresent )
 366                         FloodEntities( tree );
 367         }
 368
 369         /* save out information for visibility processing */
 370         NumberClusters( tree );
 371         if( !leaked )
 372                 WritePortalFile( tree );
 373
 374         /* flood from entities */
 375         FloodAreas( tree );
 376
 377         /* create drawsurfs for triangle models */
 378         AddTriangleModels( e );
 379
 380         /* create drawsurfs for surface models */
 381         AddEntitySurfaceModels( e );
 382
 383         /* generate bsp brushes from map brushes */
 384         EmitBrushes( e->brushes, &e->firstBrush, &e->numBrushes );
 385
 386         /* add references to the detail brushes */
 387         FilterDetailBrushesIntoTree( e, tree );
 388
 389         /* drawsurfs that cross fog boundaries will need to be split along the fog boundary */
 390         if( !nofog )
 391                 FogDrawSurfaces( e );
 392
 393         /* subdivide each drawsurf as required by shader tesselation */
 394         if( !nosubdivide )
 395                 SubdivideFaceSurfaces( e, tree );
 396
 397         /* add in any vertexes required to fix t-junctions */
 398         if( !notjunc )
 399                 FixTJunctions( e );
 400
 401         /* ydnar: classify the surfaces */
 402         ClassifyEntitySurfaces( e );
 403
 404         /* ydnar: project decals */
 405         MakeEntityDecals( e );
 406
 407         /* ydnar: meta surfaces */
 408         MakeEntityMetaTriangles( e );
 409         SmoothMetaTriangles();
 410         FixMetaTJunctions();
 411         MergeMetaTriangles();
 412
 413         /* ydnar: debug portals */
 414         if( debugPortals )
 415                 MakeDebugPortalSurfs( tree );
 416
 417         /* ydnar: fog hull */
 418         value = ValueForKey( &entities[ 0 ], "_foghull" );
 419         if( value[ 0 ] != '\0' )
 420         {
 421                 sprintf( shader, "textures/%s", value );
 422                 MakeFogHullSurfs( e, tree, shader );
 423         }
 424
 425         /* ydnar: bug 645: do flares for lights */
 426         for( i = 0; i < numEntities && emitFlares; i++ )
 427         {
 428                 entity_t        *light, *target;
 429                 const char      *value, *flareShader;
 430                 vec3_t          origin, targetOrigin, normal, color;
 431                 int                     lightStyle;
 432
 433
 434                 /* get light */
 435                 light = &entities[ i ];
 436                 value = ValueForKey( light, "classname" );
 437                 if( !strcmp( value, "light" ) )
 438                 {
 439                         /* get flare shader */
 440                         flareShader = ValueForKey( light, "_flareshader" );
 441                         value = ValueForKey( light, "_flare" );
 442                         if( flareShader[ 0 ] != '\0' || value[ 0 ] != '\0' )
 443                         {
 444                                 /* get specifics */
 445                                 GetVectorForKey( light, "origin", origin );
 446                                 GetVectorForKey( light, "_color", color );
 447                                 lightStyle = IntForKey( light, "_style" );
 448                                 if( lightStyle == 0 )
 449                                         lightStyle = IntForKey( light, "style" );
 450
 451                                 /* handle directional spotlights */
 452                                 value = ValueForKey( light, "target" );
 453                                 if( value[ 0 ] != '\0' )
 454                                 {
 455                                         /* get target light */
 456                                         target = FindTargetEntity( value );
 457                                         if( target != NULL )
 458                                         {
 459                                                 GetVectorForKey( target, "origin", targetOrigin );
 460                                                 VectorSubtract( targetOrigin, origin, normal );
 461                                                 VectorNormalize( normal, normal );
 462                                         }
 463                                 }
 464                                 else
 465                                         //%     VectorClear( normal );
 466                                         VectorSet( normal, 0, 0, -1 );
 467
 468                                 if(colorsRGB)
 469                                 {
 470                                         color[0] = Image_LinearFloatFromsRGBFloat(color[0]);
 471                                         color[1] = Image_LinearFloatFromsRGBFloat(color[1]);
 472                                         color[2] = Image_LinearFloatFromsRGBFloat(color[2]);
 473                                 }
 474
 475                                 /* create the flare surface (note shader defaults automatically) */
 476                                 DrawSurfaceForFlare( mapEntityNum, origin, normal, color, flareShader, lightStyle );
 477                         }
 478                 }
 479         }
 480
 481         /* add references to the final drawsurfs in the apropriate clusters */
 482         FilterDrawsurfsIntoTree( e, tree );
 483
 484         /* match drawsurfaces back to original brushsides (sof2) */
 485         FixBrushSides( e );
 486
 487         /* finish */
 488         EndModel( e, tree->headnode );
 489         FreeTree( tree );
 490 }
 491
 492
 493
 494 /*
 495 ProcessSubModel()
 496 creates bsp + surfaces for other brush models
 497 */
 498
 499 void ProcessSubModel( void )
 500 {
 501         entity_t        *e;
 502         tree_t          *tree;
 503         brush_t         *b, *bc;
 504         node_t          *node;
 505
 506
 507         /* start a brush model */
 508         BeginModel();
 509         e = &entities[ mapEntityNum ];
 510         e->firstDrawSurf = numMapDrawSurfs;
 511
 512         /* ydnar: gs mods */
 513         ClearMetaTriangles();
 514
 515         /* check for patches with adjacent edges that need to lod together */
 516         PatchMapDrawSurfs( e );
 517
 518         /* allocate a tree */
 519         node = AllocNode();
 520         node->planenum = PLANENUM_LEAF;
 521         tree = AllocTree();
 522         tree->headnode = node;
 523
 524         /* add the sides to the tree */
 525         ClipSidesIntoTree( e, tree );
 526
 527         /* ydnar: create drawsurfs for triangle models */
 528         AddTriangleModels( e );
 529
 530         /* create drawsurfs for surface models */
 531         AddEntitySurfaceModels( e );
 532
 533         /* generate bsp brushes from map brushes */
 534         EmitBrushes( e->brushes, &e->firstBrush, &e->numBrushes );
 535
 536         /* just put all the brushes in headnode */
 537         for( b = e->brushes; b; b = b->next )
 538         {
 539                 bc = CopyBrush( b );
 540                 bc->next = node->brushlist;
 541                 node->brushlist = bc;
 542         }
 543
 544         /* subdivide each drawsurf as required by shader tesselation */
 545         if( !nosubdivide )
 546                 SubdivideFaceSurfaces( e, tree );
 547
 548         /* add in any vertexes required to fix t-junctions */
 549         if( !notjunc )
 550                 FixTJunctions( e );
 551
 552         /* ydnar: classify the surfaces and project lightmaps */
 553         ClassifyEntitySurfaces( e );
 554
 555         /* ydnar: project decals */
 556         MakeEntityDecals( e );
 557
 558         /* ydnar: meta surfaces */
 559         MakeEntityMetaTriangles( e );
 560         SmoothMetaTriangles();
 561         FixMetaTJunctions();
 562         MergeMetaTriangles();
 563
 564         /* add references to the final drawsurfs in the apropriate clusters */
 565         FilterDrawsurfsIntoTree( e, tree );
 566
 567         /* match drawsurfaces back to original brushsides (sof2) */
 568         FixBrushSides( e );
 569
 570         /* finish */
 571         EndModel( e, node );
 572         FreeTree( tree );
 573 }
 574
 575
 576
 577 /*
 578 ProcessModels()
 579 process world + other models into the bsp
 580 */
 581
 582 void ProcessModels( void )
 583 {
 584         qboolean        oldVerbose;
 585         entity_t        *entity;
 586
 587
 588         /* preserve -v setting */
 589         oldVerbose = verbose;
 590
 591         /* start a new bsp */
 592         BeginBSPFile();
 593
 594         /* create map fogs */
 595         CreateMapFogs();
 596
 597         /* walk entity list */
 598         for( mapEntityNum = 0; mapEntityNum < numEntities; mapEntityNum++ )
 599         {
 600                 /* get entity */
 601                 entity = &entities[ mapEntityNum ];
 602                 if( entity->brushes == NULL && entity->patches == NULL )
 603                         continue;
 604
 605                 /* process the model */
 606                 Sys_FPrintf( SYS_VRB, "############### model %i ###############\n", numBSPModels );
 607                 if( mapEntityNum == 0 )
 608                         ProcessWorldModel();
 609                 else
 610                         ProcessSubModel();
 611
 612                 /* potentially turn off the deluge of text */
 613                 verbose = verboseEntities;
 614         }
 615
 616         /* restore -v setting */
 617         verbose = oldVerbose;
 618
 619         /* write fogs */
 620         EmitFogs();
 621
 622         /* vortex: emit meta stats */
 623         EmitMetaStats();
 624 }
 625
 626
 627
 628 /*
 629 OnlyEnts()
 630 this is probably broken unless teamed with a radiant version that preserves entity order
 631 */
 632
 633 void OnlyEnts( void )
 634 {
 635         char out[ 1024 ];
 636
 637         char save_cmdline[1024], save_version[1024], save_gridsize[1024];
 638         const char *p;
 639
 640         /* note it */
 641         Sys_Printf( "--- OnlyEnts ---\n" );
 642
 643         sprintf( out, "%s.bsp", source );
 644         LoadBSPFile( out );
 645
 646         ParseEntities();
 647         p = ValueForKey(&entities[0], "_q3map2_cmdline");
 648         strncpy(save_cmdline, p, sizeof(save_cmdline));
 649         save_cmdline[sizeof(save_cmdline)-1] = 0;
 650         p = ValueForKey(&entities[0], "_q3map2_version");
 651         strncpy(save_version, p, sizeof(save_version));
 652         save_version[sizeof(save_version)-1] = 0;
 653         p = ValueForKey(&entities[0], "gridsize");
 654         strncpy(save_gridsize, p, sizeof(save_gridsize));
 655         save_gridsize[sizeof(save_gridsize)-1] = 0;
 656
 657         numEntities = 0;
 658
 659         LoadShaderInfo();
 660         LoadMapFile( name, qfalse, qfalse );
 661         SetModelNumbers();
 662         SetLightStyles();
 663
 664         if(*save_cmdline)
 665                 SetKeyValue(&entities[0], "_q3map2_cmdline", save_cmdline);
 666         if(*save_version)
 667                 SetKeyValue(&entities[0], "_q3map2_version", save_version);
 668         if(*save_gridsize)
 669                 SetKeyValue(&entities[0], "gridsize", save_gridsize);
 670
 671         numBSPEntities = numEntities;
 672         UnparseEntities();
 673
 674         WriteBSPFile( out );
 675 }
 676
 677
 678
 679 /*
 680 BSPMain() - ydnar
 681 handles creation of a bsp from a map file
 682 */
 683
 684 int BSPMain( int argc, char **argv )
 685 {
 686         int                     i;
 687         char            path[ 1024 ], tempSource[ 1024 ];
 688         qboolean        onlyents = qfalse;
 689
 690
 691         /* note it */
 692         Sys_Printf( "--- BSP ---\n" );
 693
 694         SetDrawSurfacesBuffer();
 695         mapDrawSurfs = safe_malloc( sizeof( mapDrawSurface_t ) * MAX_MAP_DRAW_SURFS );
 696         memset( mapDrawSurfs, 0, sizeof( mapDrawSurface_t ) * MAX_MAP_DRAW_SURFS );
 697         numMapDrawSurfs = 0;
 698
 699         tempSource[ 0 ] = '\0';
 700         globalCelShader[0] = 0;
 701
 702         /* set standard game flags */
 703         maxSurfaceVerts = game->maxSurfaceVerts;
 704         maxSurfaceIndexes = game->maxSurfaceIndexes;
 705         emitFlares = game->emitFlares;
 706         texturesRGB = game->texturesRGB;
 707         colorsRGB = game->colorsRGB;
 708
 709         /* process arguments */
 710         for( i = 1; i < (argc - 1); i++ )
 711         {
 712                 if( !strcmp( argv[ i ], "-onlyents" ) )
 713                 {
 714                         Sys_Printf( "Running entity-only compile\n" );
 715                         onlyents = qtrue;
 716                 }
 717                 else if( !strcmp( argv[ i ], "-tempname" ) )
 718                         strcpy( tempSource, argv[ ++i ] );
 719                 else if( !strcmp( argv[ i ], "-tmpout" ) )
 720                         strcpy( outbase, "/tmp" );
 721                 else if( !strcmp( argv[ i ],  "-nowater" ) )
 722                 {
 723                         Sys_Printf( "Disabling water\n" );
 724                         nowater = qtrue;
 725                 }
 726                 else if( !strcmp( argv[ i ], "-keeplights" ))
 727                 {
 728                         keepLights = qtrue;
 729                         Sys_Printf( "Leaving light entities on map after compile\n" );
 730                 }
 731                 else if( !strcmp( argv[ i ],  "-nodetail" ) )
 732                 {
 733                         Sys_Printf( "Ignoring detail brushes\n") ;
 734                         nodetail = qtrue;
 735                 }
 736                 else if( !strcmp( argv[ i ],  "-fulldetail" ) )
 737                 {
 738                         Sys_Printf( "Turning detail brushes into structural brushes\n" );
 739                         fulldetail = qtrue;
 740                 }
 741                 else if( !strcmp( argv[ i ],  "-nofog" ) )
 742                 {
 743                         Sys_Printf( "Fog volumes disabled\n" );
 744                         nofog = qtrue;
 745                 }
 746                 else if( !strcmp( argv[ i ],  "-nosubdivide" ) )
 747                 {
 748                         Sys_Printf( "Disabling brush face subdivision\n" );
 749                         nosubdivide = qtrue;
 750                 }
 751                 else if( !strcmp( argv[ i ],  "-leaktest" ) )
 752                 {
 753                         Sys_Printf( "Leaktest enabled\n" );
 754                         leaktest = qtrue;
 755                 }
 756                 else if( !strcmp( argv[ i ],  "-verboseentities" ) )
 757                 {
 758                         Sys_Printf( "Verbose entities enabled\n" );
 759                         verboseEntities = qtrue;
 760                 }
 761                 else if( !strcmp( argv[ i ], "-nocurves" ) )
 762                 {
 763                         Sys_Printf( "Ignoring curved surfaces (patches)\n" );
 764                         noCurveBrushes = qtrue;
 765                 }
 766                 else if( !strcmp( argv[ i ], "-notjunc" ) )
 767                 {
 768                         Sys_Printf( "T-junction fixing disabled\n" );
 769                         notjunc = qtrue;
 770                 }
 771                 else if( !strcmp( argv[ i ], "-fakemap" ) )
 772                 {
 773                         Sys_Printf( "Generating fakemap.map\n" );
 774                         fakemap = qtrue;
 775                 }
 776                 else if( !strcmp( argv[ i ],  "-samplesize" ) )
 777                 {
 778                         sampleSize = atoi( argv[ i + 1 ] );
 779                         if( sampleSize < 1 )
 780                                 sampleSize = 1;
 781                         i++;
 782                         Sys_Printf( "Lightmap sample size set to %dx%d units\n", sampleSize, sampleSize );
 783                 }
 784                 else if( !strcmp( argv[ i ], "-minsamplesize" ) )
 785                 {
 786                         minSampleSize = atoi( argv[ i + 1 ] );
 787                         if( minSampleSize < 1 )
 788                                 minSampleSize = 1;
 789                         i++;
 790                         Sys_Printf( "Minimum lightmap sample size set to %dx%d units\n", minSampleSize, minSampleSize );
 791                 }
 792                 else if( !strcmp( argv[ i ],  "-custinfoparms") )
 793                 {
 794                         Sys_Printf( "Custom info parms enabled\n" );
 795                         useCustomInfoParms = qtrue;
 796                 }
 797
 798                 /* sof2 args */
 799                 else if( !strcmp( argv[ i ], "-rename" ) )
 800                 {
 801                         Sys_Printf( "Appending _bsp suffix to misc_model shaders (SOF2)\n" );
 802                         renameModelShaders = qtrue;
 803                 }
 804
 805                 /* ydnar args */
 806                 else if( !strcmp( argv[ i ],  "-ne" ) )
 807                 {
 808                         normalEpsilon = atof( argv[ i + 1 ] );
 809                         i++;
 810                         Sys_Printf( "Normal epsilon set to %f\n", normalEpsilon );
 811                 }
 812                 else if( !strcmp( argv[ i ],  "-de" ) )
 813                 {
 814                         distanceEpsilon = atof( argv[ i + 1 ] );
 815                         i++;
 816                         Sys_Printf( "Distance epsilon set to %f\n", distanceEpsilon );
 817                 }
 818                 else if( !strcmp( argv[ i ],  "-mv" ) )
 819                 {
 820                         maxLMSurfaceVerts = atoi( argv[ i + 1 ] );
 821                         if( maxLMSurfaceVerts < 3 )
 822                                 maxLMSurfaceVerts = 3;
 823                         if( maxLMSurfaceVerts > maxSurfaceVerts )
 824                                 maxSurfaceVerts = maxLMSurfaceVerts;
 825                         i++;
 826                         Sys_Printf( "Maximum lightmapped surface vertex count set to %d\n", maxLMSurfaceVerts );
 827                 }
 828                 else if( !strcmp( argv[ i ],  "-mi" ) )
 829                 {
 830                         maxSurfaceIndexes = atoi( argv[ i + 1 ] );
 831                         if( maxSurfaceIndexes < 3 )
 832                                 maxSurfaceIndexes = 3;
 833                         i++;
 834                         Sys_Printf( "Maximum per-surface index count set to %d\n", maxSurfaceIndexes );
 835                 }
 836                 else if( !strcmp( argv[ i ], "-np" ) )
 837                 {
 838                         npDegrees = atof( argv[ i + 1 ] );
 839                         if( npDegrees < 0.0f )
 840                                 npDegrees = 0.0f;
 841                         else if( npDegrees > 0.0f )
 842                                 Sys_Printf( "Forcing nonplanar surfaces with a breaking angle of %f degrees\n", npDegrees );
 843                         i++;
 844                 }
 845                 else if( !strcmp( argv[ i ],  "-snap" ) )
 846                 {
 847                         bevelSnap = atoi( argv[ i + 1 ]);
 848                         if( bevelSnap < 0 )
 849                                 bevelSnap = 0;
 850                         i++;
 851                         if( bevelSnap > 0 )
 852                                 Sys_Printf( "Snapping brush bevel planes to %d units\n", bevelSnap );
 853                 }
 854                 else if( !strcmp( argv[ i ],  "-texrange" ) )
 855                 {
 856                         texRange = atoi( argv[ i + 1 ]);
 857                         if( texRange < 0 )
 858                                 texRange = 0;
 859                         i++;
 860                         Sys_Printf( "Limiting per-surface texture range to %d texels\n", texRange );
 861                 }
 862                 else if( !strcmp( argv[ i ], "-nohint" ) )
 863                 {
 864                         Sys_Printf( "Hint brushes disabled\n" );
 865                         noHint = qtrue;
 866                 }
 867                 else if( !strcmp( argv[ i ], "-flat" ) )
 868                 {
 869                         Sys_Printf( "Flatshading enabled\n" );
 870                         flat = qtrue;
 871                 }
 872                 else if( !strcmp( argv[ i ], "-celshader" ) )
 873                 {
 874                         ++i;
 875                         if(argv[i][0])
 876                                 sprintf( globalCelShader, "textures/%s", argv[ i ] );
 877                         else
 878                                 *globalCelShader = 0;
 879                         Sys_Printf( "Global cel shader set to \"%s\"\n", globalCelShader );
 880                 }
 881                 else if( !strcmp( argv[ i ], "-meta" ) )
 882                 {
 883                         Sys_Printf( "Creating meta surfaces from brush faces\n" );
 884                         meta = qtrue;
 885                 }
 886                 else if( !strcmp( argv[ i ], "-metaadequatescore" ) )
 887                 {
 888                         metaAdequateScore = atoi( argv[ i + 1 ]);
 889                         if( metaAdequateScore < 0 )
 890                                 metaAdequateScore = -1;
 891                         i++;
 892                         if( metaAdequateScore >= 0 )
 893                                 Sys_Printf( "Setting ADEQUATE meta score to %d (see surface_meta.c)\n", metaAdequateScore );
 894                 }
 895                 else if( !strcmp( argv[ i ], "-metagoodscore" ) )
 896                 {
 897                         metaGoodScore = atoi( argv[ i + 1 ]);
 898                         if( metaGoodScore < 0 )
 899                                 metaGoodScore = -1;
 900                         i++;
 901                         if( metaGoodScore >= 0 )
 902                                 Sys_Printf( "Setting GOOD meta score to %d (see surface_meta.c)\n", metaGoodScore );
 903                 }
 904                 else if( !strcmp( argv[ i ], "-metamaxbboxdistance" ) )
 905                 {
 906                         metaMaxBBoxDistance = atof( argv[ i + 1 ]);
 907                         if( metaMaxBBoxDistance < 0 )
 908                                 metaMaxBBoxDistance = -1;
 909                         i++;
 910                         if( metaMaxBBoxDistance >= 0 )
 911                                 Sys_Printf( "Setting meta maximum bounding box distance to %f\n", metaMaxBBoxDistance );
 912                 }
 913                 else if( !strcmp( argv[ i ], "-patchmeta" ) )
 914                 {
 915                         Sys_Printf( "Creating meta surfaces from patches\n" );
 916                         patchMeta = qtrue;
 917                 }
 918                 else if( !strcmp( argv[ i ], "-flares" ) )
 919                 {
 920                         Sys_Printf( "Flare surfaces enabled\n" );
 921                         emitFlares = qtrue;
 922                 }
 923                 else if( !strcmp( argv[ i ], "-noflares" ) )
 924                 {
 925                         Sys_Printf( "Flare surfaces disabled\n" );
 926                         emitFlares = qfalse;
 927                 }
 928                 else if( !strcmp( argv[ i ], "-skyfix" ) )
 929                 {
 930                         Sys_Printf( "GL_CLAMP sky fix/hack/workaround enabled\n" );
 931                         skyFixHack = qtrue;
 932                 }
 933                 else if( !strcmp( argv[ i ], "-debugsurfaces" ) )
 934                 {
 935                         Sys_Printf( "emitting debug surfaces\n" );
 936                         debugSurfaces = qtrue;
 937                 }
 938                 else if( !strcmp( argv[ i ], "-debuginset" ) )
 939                 {
 940                         Sys_Printf( "Debug surface triangle insetting enabled\n" );
 941                         debugInset = qtrue;
 942                 }
 943                 else if( !strcmp( argv[ i ], "-debugportals" ) )
 944                 {
 945                         Sys_Printf( "Debug portal surfaces enabled\n" );
 946                         debugPortals = qtrue;
 947                 }
 948                 else if( !strcmp( argv[ i ], "-sRGBtex" ) )
 949                 {
 950                         texturesRGB = qtrue;
 951                         Sys_Printf( "Textures are in sRGB\n" );
 952                 }
 953                 else if( !strcmp( argv[ i ], "-nosRGBtex" ) )
 954                 {
 955                         texturesRGB = qfalse;
 956                         Sys_Printf( "Textures are linear\n" );
 957                 }
 958                 else if( !strcmp( argv[ i ], "-sRGBcolor" ) )
 959                 {
 960                         colorsRGB = qtrue;
 961                         Sys_Printf( "Colors are in sRGB\n" );
 962                 }
 963                 else if( !strcmp( argv[ i ], "-nosRGBcolor" ) )
 964                 {
 965                         colorsRGB = qfalse;
 966                         Sys_Printf( "Colors are linear\n" );
 967                 }
 968                 else if( !strcmp( argv[ i ], "-nosRGB" ) )
 969                 {
 970                         texturesRGB = qfalse;
 971                         Sys_Printf( "Textures are linear\n" );
 972                         colorsRGB = qfalse;
 973                         Sys_Printf( "Colors are linear\n" );
 974                 }
 975                 else if( !strcmp( argv[ i ], "-altsplit" ) )
 976                 {
 977                         Sys_Printf( "Alternate BSP splitting (by 27) enabled\n" );
 978                         bspAlternateSplitWeights = qtrue;
 979                 }
 980                 else if( !strcmp( argv[ i ], "-deep" ) )
 981                 {
 982                         Sys_Printf( "Deep BSP tree generation enabled\n" );
 983                         deepBSP = qtrue;
 984                 }
 985                 else if( !strcmp( argv[ i ], "-maxarea" ) )
 986                 {
 987                         Sys_Printf( "Max Area face surface generation enabled\n" );
 988                         maxAreaFaceSurface = qtrue;
 989                 }
 990                 else if( !strcmp( argv[ i ], "-bsp" ) )
 991                         Sys_Printf( "-bsp argument unnecessary\n" );
 992                 else
 993                 {
 994                         Sys_Printf( "WARNING: Unknown option \"%s\"\n", argv[ i ] );
 995                 }
 996         }
 997
 998         /* fixme: print more useful usage here */
 999         if( i != (argc - 1) )
1000                 Error( "usage: q3map [options] mapfile" );
1001
1002         /* copy source name */
1003         strcpy( source, ExpandArg( argv[ i ] ) );
1004         StripExtension( source );
1005
1006         /* ydnar: set default sample size */
1007         SetDefaultSampleSize( sampleSize );
1008
1009         /* delete portal, line and surface files */
1010         sprintf( path, "%s.prt", source );
1011         remove( path );
1012         sprintf( path, "%s.lin", source );
1013         remove( path );
1014         //%     sprintf( path, "%s.srf", source );      /* ydnar */
1015         //%     remove( path );
1016
1017         /* expand mapname */
1018         strcpy( name, ExpandArg( argv[ i ] ) );
1019         if( strcmp( name + strlen( name ) - 4, ".reg" ) )
1020         {
1021                 /* if we are doing a full map, delete the last saved region map */
1022                 sprintf( path, "%s.reg", source );
1023                 remove( path );
1024                 DefaultExtension( name, ".map" );       /* might be .reg */
1025         }
1026
1027         /* if onlyents, just grab the entites and resave */
1028         if( onlyents )
1029         {
1030                 OnlyEnts();
1031                 return 0;
1032         }
1033
1034         /* load shaders */
1035         LoadShaderInfo();
1036
1037         /* load original file from temp spot in case it was renamed by the editor on the way in */
1038         if( strlen( tempSource ) > 0 )
1039                 LoadMapFile( tempSource, qfalse, qfalse );
1040         else
1041                 LoadMapFile( name, qfalse, qfalse );
1042
1043         /* div0: inject command line parameters */
1044         InjectCommandLine(argv, 1, argc - 1);
1045
1046         /* ydnar: decal setup */
1047         ProcessDecals();
1048
1049         /* ydnar: cloned brush model entities */
1050         SetCloneModelNumbers();
1051
1052         /* process world and submodels */
1053         ProcessModels();
1054
1055         /* set light styles from targetted light entities */
1056         SetLightStyles();
1057
1058         /* process in game advertisements */
1059         ProcessAdvertisements();
1060
1061         /* finish and write bsp */
1062         EndBSPFile(qtrue);
1063
1064         /* remove temp map source file if appropriate */
1065         if( strlen( tempSource ) > 0)
1066                 remove( tempSource );
1067
1068         /* return to sender */
1069         return 0;
1070 }
1071