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                         }
  74                         else {
  75                                 if ( numBSPAds < MAX_MAP_ADVERTISEMENTS ) {
  76                                         bspAds[numBSPAds].cellId = IntForKey( &entities[ i ], "cellId" );
  77                                         strncpy( bspAds[numBSPAds].model, modelKey, sizeof( bspAds[numBSPAds].model ) );
  78
  79                                         modelKey++;
  80                                         modelNum = atoi( modelKey );
  81                                         adModel = &bspModels[modelNum];
  82
  83                                         if ( adModel->numBSPSurfaces != 1 ) {
  84                                                 Error( "Ad cell id %d has more than one surface.", bspAds[numBSPAds].cellId );
  85                                         }
  86
  87                                         adSurface = &bspDrawSurfaces[adModel->firstBSPSurface];
  88
  89                                         // store the normal for use at run time.. all ad verts are assumed to
  90                                         // have identical normals (because they should be a simple rectangle)
  91                                         // so just use the first vert's normal
  92                                         VectorCopy( bspDrawVerts[adSurface->firstVert].normal, bspAds[numBSPAds].normal );
  93
  94                                         // store the ad quad for quick use at run time
  95                                         if ( adSurface->surfaceType == MST_PATCH ) {
  96                                                 int v0 = adSurface->firstVert + adSurface->patchHeight - 1;
  97                                                 int v1 = adSurface->firstVert + adSurface->numVerts - 1;
  98                                                 int v2 = adSurface->firstVert + adSurface->numVerts - adSurface->patchWidth;
  99                                                 int v3 = adSurface->firstVert;
 100                                                 VectorCopy( bspDrawVerts[v0].xyz, bspAds[numBSPAds].rect[0] );
 101                                                 VectorCopy( bspDrawVerts[v1].xyz, bspAds[numBSPAds].rect[1] );
 102                                                 VectorCopy( bspDrawVerts[v2].xyz, bspAds[numBSPAds].rect[2] );
 103                                                 VectorCopy( bspDrawVerts[v3].xyz, bspAds[numBSPAds].rect[3] );
 104                                         }
 105                                         else {
 106                                                 Error( "Ad cell %d has an unsupported Ad Surface type.", bspAds[numBSPAds].cellId );
 107                                         }
 108
 109                                         numBSPAds++;
 110                                 }
 111                                 else {
 112                                         Error( "Maximum number of map advertisements exceeded." );
 113                                 }
 114                         }
 115                 }
 116         }
 117
 118         Sys_FPrintf( SYS_VRB, "%9d in-game advertisements\n", numBSPAds );
 119 }
 120
 121 /*
 122    SetCloneModelNumbers() - ydnar
 123    sets the model numbers for brush entities
 124  */
 125
 126 static void SetCloneModelNumbers( void ){
 127         int i, j;
 128         int models;
 129         char modelValue[ 10 ];
 130         const char  *value, *value2, *value3;
 131
 132
 133         /* start with 1 (worldspawn is model 0) */
 134         models = 1;
 135         for ( i = 1; i < numEntities; i++ )
 136         {
 137                 /* only entities with brushes or patches get a model number */
 138                 if ( entities[ i ].brushes == NULL && entities[ i ].patches == NULL ) {
 139                         continue;
 140                 }
 141
 142                 /* is this a clone? */
 143                 value = ValueForKey( &entities[ i ], "_ins" );
 144                 if ( value[ 0 ] == '\0' ) {
 145                         value = ValueForKey( &entities[ i ], "_instance" );
 146                 }
 147                 if ( value[ 0 ] == '\0' ) {
 148                         value = ValueForKey( &entities[ i ], "_clone" );
 149                 }
 150                 if ( value[ 0 ] != '\0' ) {
 151                         continue;
 152                 }
 153
 154                 /* add the model key */
 155                 sprintf( modelValue, "*%d", models );
 156                 SetKeyValue( &entities[ i ], "model", modelValue );
 157
 158                 /* increment model count */
 159                 models++;
 160         }
 161
 162         /* fix up clones */
 163         for ( i = 1; i < numEntities; i++ )
 164         {
 165                 /* only entities with brushes or patches get a model number */
 166                 if ( entities[ i ].brushes == NULL && entities[ i ].patches == NULL ) {
 167                         continue;
 168                 }
 169
 170                 /* is this a clone? */
 171                 value = ValueForKey( &entities[ i ], "_ins" );
 172                 if ( value[ 0 ] == '\0' ) {
 173                         value = ValueForKey( &entities[ i ], "_instance" );
 174                 }
 175                 if ( value[ 0 ] == '\0' ) {
 176                         value = ValueForKey( &entities[ i ], "_clone" );
 177                 }
 178                 if ( value[ 0 ] == '\0' ) {
 179                         continue;
 180                 }
 181
 182                 /* find an entity with matching clone name */
 183                 for ( j = 0; j < numEntities; j++ )
 184                 {
 185                         /* is this a clone parent? */
 186                         value2 = ValueForKey( &entities[ j ], "_clonename" );
 187                         if ( value2[ 0 ] == '\0' ) {
 188                                 continue;
 189                         }
 190
 191                         /* do they match? */
 192                         if ( strcmp( value, value2 ) == 0 ) {
 193                                 /* get the model num */
 194                                 value3 = ValueForKey( &entities[ j ], "model" );
 195                                 if ( value3[ 0 ] == '\0' ) {
 196                                         Sys_FPrintf( SYS_WRN, "WARNING: Cloned entity %s referenced entity without model\n", value2 );
 197                                         continue;
 198                                 }
 199                                 models = atoi( &value2[ 1 ] );
 200
 201                                 /* add the model key */
 202                                 sprintf( modelValue, "*%d", models );
 203                                 SetKeyValue( &entities[ i ], "model", modelValue );
 204
 205                                 /* nuke the brushes/patches for this entity (fixme: leak!) */
 206                                 entities[ i ].brushes = NULL;
 207                                 entities[ i ].patches = NULL;
 208                         }
 209                 }
 210         }
 211 }
 212
 213
 214
 215 /*
 216    FixBrushSides() - ydnar
 217    matches brushsides back to their appropriate drawsurface and shader
 218  */
 219
 220 static void FixBrushSides( entity_t *e ){
 221         int i;
 222         mapDrawSurface_t    *ds;
 223         sideRef_t           *sideRef;
 224         bspBrushSide_t      *side;
 225
 226
 227         /* note it */
 228         Sys_FPrintf( SYS_VRB, "--- FixBrushSides ---\n" );
 229
 230         /* walk list of drawsurfaces */
 231         for ( i = e->firstDrawSurf; i < numMapDrawSurfs; i++ )
 232         {
 233                 /* get surface and try to early out */
 234                 ds = &mapDrawSurfs[ i ];
 235                 if ( ds->outputNum < 0 ) {
 236                         continue;
 237                 }
 238
 239                 /* walk sideref list */
 240                 for ( sideRef = ds->sideRef; sideRef != NULL; sideRef = sideRef->next )
 241                 {
 242                         /* get bsp brush side */
 243                         if ( sideRef->side == NULL || sideRef->side->outputNum < 0 ) {
 244                                 continue;
 245                         }
 246                         side = &bspBrushSides[ sideRef->side->outputNum ];
 247
 248                         /* set drawsurface */
 249                         side->surfaceNum = ds->outputNum;
 250                         //%     Sys_FPrintf( SYS_VRB, "DS: %7d Side: %7d     ", ds->outputNum, sideRef->side->outputNum );
 251
 252                         /* set shader */
 253                         if ( strcmp( bspShaders[ side->shaderNum ].shader, ds->shaderInfo->shader ) ) {
 254                                 //%     Sys_FPrintf( SYS_VRB, "Remapping %s to %s\n", bspShaders[ side->shaderNum ].shader, ds->shaderInfo->shader );
 255                                 side->shaderNum = EmitShader( ds->shaderInfo->shader, &ds->shaderInfo->contentFlags, &ds->shaderInfo->surfaceFlags );
 256                         }
 257                 }
 258         }
 259 }
 260
 261
 262
 263 /*
 264    ProcessWorldModel()
 265    creates a full bsp + surfaces for the worldspawn entity
 266  */
 267
 268 void ProcessWorldModel( const char *portalFilePath, const char *lineFilePath ){
 269         int i, s;
 270         entity_t    *e;
 271         tree_t      *tree;
 272         face_t      *faces;
 273         qboolean ignoreLeaks, leaked;
 274         xmlNodePtr polyline, leaknode;
 275         char level[ 2 ], shader[ 1024 ];
 276         const char  *value;
 277         int leakStatus;
 278
 279         /* sets integer blockSize from worldspawn "_blocksize" key if it exists */
 280         value = ValueForKey( &entities[ 0 ], "_blocksize" );
 281         if ( value[ 0 ] == '\0' ) {
 282                 value = ValueForKey( &entities[ 0 ], "blocksize" );
 283         }
 284         if ( value[ 0 ] == '\0' ) {
 285                 value = ValueForKey( &entities[ 0 ], "chopsize" );  /* sof2 */
 286         }
 287         if ( value[ 0 ] != '\0' ) {
 288                 /* scan 3 numbers */
 289                 s = sscanf( value, "%d %d %d", &blockSize[ 0 ], &blockSize[ 1 ], &blockSize[ 2 ] );
 290
 291                 /* handle legacy case */
 292                 if ( s == 1 ) {
 293                         blockSize[ 1 ] = blockSize[ 0 ];
 294                         blockSize[ 2 ] = blockSize[ 0 ];
 295                 }
 296         }
 297         Sys_Printf( "block size = { %d %d %d }\n", blockSize[ 0 ], blockSize[ 1 ], blockSize[ 2 ] );
 298
 299         /* sof2: ignore leaks? */
 300         value = ValueForKey( &entities[ 0 ], "_ignoreleaks" );  /* ydnar */
 301         if ( value[ 0 ] == '\0' ) {
 302                 value = ValueForKey( &entities[ 0 ], "ignoreleaks" );
 303         }
 304         if ( value[ 0 ] == '1' ) {
 305                 ignoreLeaks = qtrue;
 306         }
 307         else{
 308                 ignoreLeaks = qfalse;
 309         }
 310
 311         /* begin worldspawn model */
 312         BeginModel();
 313         e = &entities[ 0 ];
 314         e->firstDrawSurf = 0;
 315
 316         /* ydnar: gs mods */
 317         ClearMetaTriangles();
 318
 319         /* check for patches with adjacent edges that need to lod together */
 320         PatchMapDrawSurfs( e );
 321
 322         if ( debugClip ) {
 323                 AddTriangleModels( e );
 324         }
 325
 326         /* build an initial bsp tree using all of the sides of all of the structural brushes */
 327         faces = MakeStructuralBSPFaceList( entities[ 0 ].brushes );
 328         tree = FaceBSP( faces );
 329         MakeTreePortals( tree );
 330         FilterStructuralBrushesIntoTree( e, tree );
 331
 332         /* see if the bsp is completely enclosed */
 333         leakStatus = FloodEntities( tree );
 334         if ( ignoreLeaks ) {
 335                 if ( leakStatus == FLOODENTITIES_LEAKED ) {
 336                         leakStatus = FLOODENTITIES_GOOD;
 337                 }
 338         }
 339
 340         if ( leakStatus == FLOODENTITIES_GOOD ) {
 341                 leaked = qfalse;
 342         }
 343         else
 344         {
 345                 leaked = qtrue;
 346
 347                 Sys_FPrintf( SYS_NOXML, "**********************\n" );
 348                 Sys_FPrintf( SYS_NOXML, "******* leaked *******\n" );
 349                 Sys_FPrintf( SYS_NOXML, "**********************\n" );
 350                 polyline = LeakFile( tree, lineFilePath );
 351                 leaknode = xmlNewNode( NULL, (xmlChar*)"message" );
 352                 xmlNodeAddContent( leaknode, (xmlChar*)"MAP LEAKED\n" );
 353                 xmlAddChild( leaknode, polyline );
 354                 level[0] = (int) '0' + SYS_ERR;
 355                 level[1] = 0;
 356                 xmlSetProp( leaknode, (xmlChar*)"level", (xmlChar*) &level );
 357                 xml_SendNode( leaknode );
 358                 if ( leaktest ) {
 359                         Sys_Printf( "--- MAP LEAKED, ABORTING LEAKTEST ---\n" );
 360                         exit( 0 );
 361                 }
 362         }
 363
 364         if ( leakStatus != FLOODENTITIES_EMPTY ) { /* if no entities exist, this would accidentally the whole map, and that IS bad */
 365                 /* rebuild a better bsp tree using only the sides that are visible from the inside */
 366                 FillOutside( tree->headnode );
 367
 368                 /* chop the sides to the convex hull of their visible fragments, giving us the smallest polygons */
 369                 ClipSidesIntoTree( e, tree );
 370
 371                 /* build a visible face tree (same thing as the initial bsp tree but after reducing the faces) */
 372                 faces = MakeVisibleBSPFaceList( entities[ 0 ].brushes );
 373                 FreeTree( tree );
 374                 tree = FaceBSP( faces );
 375                 MakeTreePortals( tree );
 376                 FilterStructuralBrushesIntoTree( e, tree );
 377
 378                 /* ydnar: flood again for skybox */
 379                 if ( skyboxPresent ) {
 380                         FloodEntities( tree );
 381                 }
 382         }
 383
 384         /* save out information for visibility processing */
 385         NumberClusters( tree );
 386         if ( !leaked ) {
 387                 WritePortalFile( tree, portalFilePath );
 388         }
 389
 390         /* flood from entities */
 391         FloodAreas( tree );
 392
 393         /* create drawsurfs for triangle models */
 394         if ( !debugClip ) {
 395                 AddTriangleModels( e );
 396         }
 397
 398         /* create drawsurfs for surface models */
 399         AddEntitySurfaceModels( e );
 400
 401         /* generate bsp brushes from map brushes */
 402         EmitBrushes( e->brushes, &e->firstBrush, &e->numBrushes );
 403
 404         /* add references to the detail brushes */
 405         FilterDetailBrushesIntoTree( e, tree );
 406
 407         /* drawsurfs that cross fog boundaries will need to be split along the fog boundary */
 408         if ( !nofog ) {
 409                 FogDrawSurfaces( e );
 410         }
 411
 412         /* subdivide each drawsurf as required by shader tesselation */
 413         if ( !nosubdivide ) {
 414                 SubdivideFaceSurfaces( e, tree );
 415         }
 416
 417         /* add in any vertexes required to fix t-junctions */
 418         if ( !notjunc ) {
 419                 FixTJunctions( e );
 420         }
 421
 422         /* ydnar: classify the surfaces */
 423         ClassifyEntitySurfaces( e );
 424
 425         /* ydnar: project decals */
 426         MakeEntityDecals( e );
 427
 428         /* ydnar: meta surfaces */
 429         MakeEntityMetaTriangles( e );
 430         SmoothMetaTriangles();
 431         FixMetaTJunctions();
 432         MergeMetaTriangles();
 433
 434         /* ydnar: debug portals */
 435         if ( debugPortals ) {
 436                 MakeDebugPortalSurfs( tree );
 437         }
 438
 439         /* ydnar: fog hull */
 440         value = ValueForKey( &entities[ 0 ], "_foghull" );
 441         if ( value[ 0 ] != '\0' ) {
 442                 sprintf( shader, "textures/%s", value );
 443                 MakeFogHullSurfs( e, tree, shader );
 444         }
 445
 446         /* ydnar: bug 645: do flares for lights */
 447         for ( i = 0; i < numEntities && emitFlares; i++ )
 448         {
 449                 entity_t    *light, *target;
 450                 const char  *value, *flareShader;
 451                 vec3_t origin, targetOrigin, normal, color;
 452                 int lightStyle;
 453
 454
 455                 /* get light */
 456                 light = &entities[ i ];
 457                 value = ValueForKey( light, "classname" );
 458                 if ( !strcmp( value, "light" ) ) {
 459                         /* get flare shader */
 460                         flareShader = ValueForKey( light, "_flareshader" );
 461                         value = ValueForKey( light, "_flare" );
 462                         if ( flareShader[ 0 ] != '\0' || value[ 0 ] != '\0' ) {
 463                                 /* get specifics */
 464                                 GetVectorForKey( light, "origin", origin );
 465                                 GetVectorForKey( light, "_color", color );
 466                                 lightStyle = IntForKey( light, "_style" );
 467                                 if ( lightStyle == 0 ) {
 468                                         lightStyle = IntForKey( light, "style" );
 469                                 }
 470
 471                                 /* handle directional spotlights */
 472                                 value = ValueForKey( light, "target" );
 473                                 if ( value[ 0 ] != '\0' ) {
 474                                         /* get target light */
 475                                         target = FindTargetEntity( value );
 476                                         if ( target != NULL ) {
 477                                                 GetVectorForKey( target, "origin", targetOrigin );
 478                                                 VectorSubtract( targetOrigin, origin, normal );
 479                                                 VectorNormalize( normal, normal );
 480                                         }
 481                                 }
 482                                 else{
 483                                         //%     VectorClear( normal );
 484                                         VectorSet( normal, 0, 0, -1 );
 485                                 }
 486
 487                                 if ( colorsRGB ) {
 488                                         color[0] = Image_LinearFloatFromsRGBFloat( color[0] );
 489                                         color[1] = Image_LinearFloatFromsRGBFloat( color[1] );
 490                                         color[2] = Image_LinearFloatFromsRGBFloat( color[2] );
 491                                 }
 492
 493                                 /* create the flare surface (note shader defaults automatically) */
 494                                 DrawSurfaceForFlare( mapEntityNum, origin, normal, color, flareShader, lightStyle );
 495                         }
 496                 }
 497         }
 498
 499         /* add references to the final drawsurfs in the apropriate clusters */
 500         FilterDrawsurfsIntoTree( e, tree );
 501
 502         /* match drawsurfaces back to original brushsides (sof2) */
 503         FixBrushSides( e );
 504
 505         /* finish */
 506         EndModel( e, tree->headnode );
 507         FreeTree( tree );
 508 }
 509
 510
 511
 512 /*
 513    ProcessSubModel()
 514    creates bsp + surfaces for other brush models
 515  */
 516
 517 void ProcessSubModel( void ){
 518         entity_t    *e;
 519         tree_t      *tree;
 520         brush_t     *b, *bc;
 521         node_t      *node;
 522
 523
 524         /* start a brush model */
 525         BeginModel();
 526         e = &entities[ mapEntityNum ];
 527         e->firstDrawSurf = numMapDrawSurfs;
 528
 529         /* ydnar: gs mods */
 530         ClearMetaTriangles();
 531
 532         /* check for patches with adjacent edges that need to lod together */
 533         PatchMapDrawSurfs( e );
 534
 535         /* allocate a tree */
 536         node = AllocNode();
 537         node->planenum = PLANENUM_LEAF;
 538         tree = AllocTree();
 539         tree->headnode = node;
 540
 541         /* add the sides to the tree */
 542         ClipSidesIntoTree( e, tree );
 543
 544         /* ydnar: create drawsurfs for triangle models */
 545         AddTriangleModels( e );
 546
 547         /* create drawsurfs for surface models */
 548         AddEntitySurfaceModels( e );
 549
 550         /* generate bsp brushes from map brushes */
 551         EmitBrushes( e->brushes, &e->firstBrush, &e->numBrushes );
 552
 553         /* just put all the brushes in headnode */
 554         for ( b = e->brushes; b; b = b->next )
 555         {
 556                 bc = CopyBrush( b );
 557                 bc->next = node->brushlist;
 558                 node->brushlist = bc;
 559         }
 560
 561         /* subdivide each drawsurf as required by shader tesselation */
 562         if ( !nosubdivide ) {
 563                 SubdivideFaceSurfaces( e, tree );
 564         }
 565
 566         /* add in any vertexes required to fix t-junctions */
 567         if ( !notjunc ) {
 568                 FixTJunctions( e );
 569         }
 570
 571         /* ydnar: classify the surfaces and project lightmaps */
 572         ClassifyEntitySurfaces( e );
 573
 574         /* ydnar: project decals */
 575         MakeEntityDecals( e );
 576
 577         /* ydnar: meta surfaces */
 578         MakeEntityMetaTriangles( e );
 579         SmoothMetaTriangles();
 580         FixMetaTJunctions();
 581         MergeMetaTriangles();
 582
 583         /* add references to the final drawsurfs in the apropriate clusters */
 584         FilterDrawsurfsIntoTree( e, tree );
 585
 586         /* match drawsurfaces back to original brushsides (sof2) */
 587         FixBrushSides( e );
 588
 589         /* finish */
 590         EndModel( e, node );
 591         FreeTree( tree );
 592 }
 593
 594
 595
 596 /*
 597    ProcessModels()
 598    process world + other models into the bsp
 599  */
 600
 601 void ProcessModels( const char *portalFilePath, const char *lineFilePath ){
 602         qboolean oldVerbose;
 603         entity_t    *entity;
 604
 605
 606         /* preserve -v setting */
 607         oldVerbose = verbose;
 608
 609         /* start a new bsp */
 610         BeginBSPFile();
 611
 612         /* create map fogs */
 613         CreateMapFogs();
 614
 615         /* walk entity list */
 616         for ( mapEntityNum = 0; mapEntityNum < numEntities; mapEntityNum++ )
 617         {
 618                 /* get entity */
 619                 entity = &entities[ mapEntityNum ];
 620                 if ( entity->brushes == NULL && entity->patches == NULL ) {
 621                         continue;
 622                 }
 623
 624                 /* process the model */
 625                 Sys_FPrintf( SYS_VRB, "############### model %i ###############\n", numBSPModels );
 626                 if ( mapEntityNum == 0 ) {
 627                         ProcessWorldModel(portalFilePath, lineFilePath);
 628                 }
 629                 else{
 630                         ProcessSubModel();
 631                 }
 632
 633                 /* potentially turn off the deluge of text */
 634                 verbose = verboseEntities;
 635         }
 636
 637         /* restore -v setting */
 638         verbose = oldVerbose;
 639
 640         Sys_FPrintf( SYS_VRB, "%9i bspModels in total\n", numBSPModels );
 641
 642         /* write fogs */
 643         EmitFogs();
 644
 645         /* vortex: emit meta stats */
 646         EmitMetaStats();
 647 }
 648
 649
 650
 651 /*
 652    OnlyEnts()
 653    this is probably broken unless teamed with a radiant version that preserves entity order
 654  */
 655
 656 void OnlyEnts( const char *BSPFilePath ){
 657         char save_cmdline[1024], save_version[1024], save_gridsize[1024];
 658         const char *p;
 659
 660         /* note it */
 661         Sys_Printf( "--- OnlyEnts ---\n" );
 662
 663         LoadBSPFile( BSPFilePath );
 664
 665         ParseEntities();
 666         p = ValueForKey( &entities[0], "_q3map2_cmdline" );
 667         strncpy( save_cmdline, p, sizeof( save_cmdline ) );
 668         save_cmdline[sizeof( save_cmdline ) - 1] = 0;
 669         p = ValueForKey( &entities[0], "_q3map2_version" );
 670         strncpy( save_version, p, sizeof( save_version ) );
 671         save_version[sizeof( save_version ) - 1] = 0;
 672         p = ValueForKey( &entities[0], "gridsize" );
 673         strncpy( save_gridsize, p, sizeof( save_gridsize ) );
 674         save_gridsize[sizeof( save_gridsize ) - 1] = 0;
 675
 676         numEntities = 0;
 677
 678         LoadShaderInfo();
 679         LoadMapFile( name, qfalse, qfalse );
 680         SetModelNumbers();
 681         SetLightStyles();
 682
 683         if ( *save_cmdline ) {
 684                 SetKeyValue( &entities[0], "_q3map2_cmdline", save_cmdline );
 685         }
 686         if ( *save_version ) {
 687                 SetKeyValue( &entities[0], "_q3map2_version", save_version );
 688         }
 689         if ( *save_gridsize ) {
 690                 SetKeyValue( &entities[0], "gridsize", save_gridsize );
 691         }
 692
 693         numBSPEntities = numEntities;
 694         UnparseEntities();
 695
 696         WriteBSPFile( BSPFilePath );
 697 }
 698
 699
 700
 701 /*
 702    BSPMain() - ydnar
 703    handles creation of a bsp from a map file
 704  */
 705
 706 int BSPMain( int argc, char **argv ){
 707         int i;
 708         char path[ 1024 ], tempSource[ 1024 ];
 709         qboolean onlyents = qfalse;
 710         char BSPFilePath [ 1024 ];
 711         char lineFilePath [ 1024 ];
 712         char portalFilePath [ 1024 ];
 713         char surfaceFilePath [ 1024 ];
 714         BSPFilePath[0] = 0;
 715         lineFilePath[0] = 0;
 716         portalFilePath[0] = 0;
 717         surfaceFilePath[0] = 0;
 718
 719         if ( argc >= 2 && !strcmp( argv[ 1 ], "-bsp" ) ) {
 720                 argv++;
 721                 argc--;
 722         }
 723
 724         /* note it */
 725         Sys_Printf( "--- BSP ---\n" );
 726
 727         doingBSP = qtrue;
 728         SetDrawSurfacesBuffer();
 729         mapDrawSurfs = safe_malloc0( sizeof( mapDrawSurface_t ) * MAX_MAP_DRAW_SURFS );
 730         numMapDrawSurfs = 0;
 731
 732         tempSource[ 0 ] = '\0';
 733         globalCelShader[0] = 0;
 734
 735         /* set standard game flags */
 736         maxSurfaceVerts = game->maxSurfaceVerts;
 737         maxSurfaceIndexes = game->maxSurfaceIndexes;
 738         emitFlares = game->emitFlares;
 739         texturesRGB = game->texturesRGB;
 740         colorsRGB = game->colorsRGB;
 741
 742         /* process arguments */
 743         for ( i = 1; i < ( argc - 1 ); i++ )
 744         {
 745                 if ( !strcmp( argv[ i ], "-onlyents" ) ) {
 746                         Sys_Printf( "Running entity-only compile\n" );
 747                         onlyents = qtrue;
 748                 }
 749                 else if ( !strcmp( argv[ i ], "-tempname" ) ) {
 750                         strcpy( tempSource, argv[ ++i ] );
 751                 }
 752                 else if ( !strcmp( argv[ i ], "-tmpout" ) ) {
 753                         strcpy( outbase, "/tmp" );
 754                 }
 755                 else if ( !strcmp( argv[ i ],  "-nowater" ) ) {
 756                         Sys_Printf( "Disabling water\n" );
 757                         nowater = qtrue;
 758                 }
 759                 else if ( !strcmp( argv[ i ], "-keeplights" ) ) {
 760                         keepLights = qtrue;
 761                         Sys_Printf( "Leaving light entities on map after compile\n" );
 762                 }
 763                 else if ( !strcmp( argv[ i ],  "-nodetail" ) ) {
 764                         Sys_Printf( "Ignoring detail brushes\n" ) ;
 765                         nodetail = qtrue;
 766                 }
 767                 else if ( !strcmp( argv[ i ],  "-fulldetail" ) ) {
 768                         Sys_Printf( "Turning detail brushes into structural brushes\n" );
 769                         fulldetail = qtrue;
 770                 }
 771                 else if ( !strcmp( argv[ i ],  "-nofog" ) ) {
 772                         Sys_Printf( "Fog volumes disabled\n" );
 773                         nofog = qtrue;
 774                 }
 775                 else if ( !strcmp( argv[ i ],  "-nosubdivide" ) ) {
 776                         Sys_Printf( "Disabling brush face subdivision\n" );
 777                         nosubdivide = qtrue;
 778                 }
 779                 else if ( !strcmp( argv[ i ],  "-leaktest" ) ) {
 780                         Sys_Printf( "Leaktest enabled\n" );
 781                         leaktest = qtrue;
 782                 }
 783                 else if ( !strcmp( argv[ i ],  "-verboseentities" ) ) {
 784                         Sys_Printf( "Verbose entities enabled\n" );
 785                         verboseEntities = qtrue;
 786                 }
 787                 else if ( !strcmp( argv[ i ], "-nocurves" ) ) {
 788                         Sys_Printf( "Ignoring curved surfaces (patches)\n" );
 789                         noCurveBrushes = qtrue;
 790                 }
 791                 else if ( !strcmp( argv[ i ], "-notjunc" ) ) {
 792                         Sys_Printf( "T-junction fixing disabled\n" );
 793                         notjunc = qtrue;
 794                 }
 795                 else if ( !strcmp( argv[ i ], "-fakemap" ) ) {
 796                         Sys_Printf( "Generating fakemap.map\n" );
 797                         fakemap = qtrue;
 798                 }
 799                 else if ( !strcmp( argv[ i ],  "-samplesize" ) ) {
 800                         sampleSize = atoi( argv[ i + 1 ] );
 801                         if ( sampleSize < 1 ) {
 802                                 sampleSize = 1;
 803                         }
 804                         i++;
 805                         Sys_Printf( "Lightmap sample size set to %dx%d units\n", sampleSize, sampleSize );
 806                 }
 807                 else if ( !strcmp( argv[ i ], "-minsamplesize" ) ) {
 808                         minSampleSize = atoi( argv[ i + 1 ] );
 809                         if ( minSampleSize < 1 ) {
 810                                 minSampleSize = 1;
 811                         }
 812                         i++;
 813                         Sys_Printf( "Minimum lightmap sample size set to %dx%d units\n", minSampleSize, minSampleSize );
 814                 }
 815                 else if ( !strcmp( argv[ i ],  "-custinfoparms" ) ) {
 816                         Sys_Printf( "Custom info parms enabled\n" );
 817                         useCustomInfoParms = qtrue;
 818                 }
 819
 820                 /* sof2 args */
 821                 else if ( !strcmp( argv[ i ], "-rename" ) ) {
 822                         Sys_Printf( "Appending _bsp suffix to misc_model shaders (SOF2)\n" );
 823                         renameModelShaders = qtrue;
 824                 }
 825
 826                 /* ydnar args */
 827                 else if ( !strcmp( argv[ i ],  "-ne" ) ) {
 828                         normalEpsilon = atof( argv[ i + 1 ] );
 829                         i++;
 830                         Sys_Printf( "Normal epsilon set to %f\n", normalEpsilon );
 831                 }
 832                 else if ( !strcmp( argv[ i ],  "-de" ) ) {
 833                         distanceEpsilon = atof( argv[ i + 1 ] );
 834                         i++;
 835                         Sys_Printf( "Distance epsilon set to %f\n", distanceEpsilon );
 836                 }
 837                 else if ( !strcmp( argv[ i ], "-fastmeta" ) ) {
 838                         maxLMSurfaceVerts = 64;
 839                         maxSurfaceVerts = 999;
 840                         maxSurfaceIndexes = 6000;
 841                         Sys_Printf( "Maximum per-surface vertex count set to %d\n", maxSurfaceVerts );
 842                         Sys_Printf( "Maximum per-surface index count set to %d\n", maxSurfaceIndexes );
 843                         Sys_Printf( "Maximum lightmapped surface vertex count set to %d\n", maxLMSurfaceVerts );
 844                 }
 845                 else if ( !strcmp( argv[ i ], "-maxsurfacevertices" ) ) {
 846                         maxSurfaceVerts = atoi( argv[ i + 1 ] );
 847                         if ( maxSurfaceVerts < 3 ) {
 848                                 maxSurfaceVerts = 3;
 849                         }
 850                         i++;
 851                         Sys_Printf( "Maximum per-surface vertex count set to %d\n", maxSurfaceVerts );
 852                 }
 853                 else if ( !strcmp( argv[ i ], "-maxsurfaceindexes" ) || !strcmp( argv[ i ], "-mi" ) ) {
 854                         maxSurfaceIndexes = atoi( argv[ i + 1 ] );
 855                         if ( maxSurfaceIndexes < 3 ) {
 856                                 maxSurfaceIndexes = 3;
 857                         }
 858                         i++;
 859
 860                         if ( !strcmp( argv[ i ], "-mi" ) ) {
 861                                 Sys_Printf( "The -mi argument is deprecated, use \"-maxsurfaceindexes\" instead\n" );
 862                         }
 863                         else {
 864                                 Sys_Printf( "Maximum per-surface index count set to %d\n", maxSurfaceIndexes );
 865                         }
 866                 }
 867                 else if ( !strcmp( argv[ i ], "-maxlightmapvertices" ) || !strcmp( argv[ i ], "-mv" ) ) {
 868                         maxLMSurfaceVerts = atoi( argv[ i + 1 ] );
 869                         if ( maxLMSurfaceVerts < 3 ) {
 870                                 maxLMSurfaceVerts = 3;
 871                         }
 872                         if ( maxLMSurfaceVerts > maxSurfaceVerts ) {
 873                                 maxSurfaceVerts = maxLMSurfaceVerts;
 874                         }
 875                         i++;
 876
 877                         if ( !strcmp( argv[ i ], "-mv" ) ) {
 878                                 Sys_Printf( "The -mv argument is deprecated, use \"-maxlightmapvertices\" instead\n" );
 879                         }
 880                         else {
 881                         Sys_Printf( "Maximum lightmapped surface vertex count set to %d\n", maxLMSurfaceVerts );
 882                 }
 883                 }
 884                 else if ( !strcmp( argv[ i ], "-np" ) ) {
 885                         npDegrees = atof( argv[ i + 1 ] );
 886                         if ( npDegrees < 0.0f ) {
 887                                 npDegrees = 0.0f;
 888                         }
 889                         else if ( npDegrees > 0.0f ) {
 890                                 Sys_Printf( "Forcing nonplanar surfaces with a breaking angle of %f degrees\n", npDegrees );
 891                         }
 892                         i++;
 893                 }
 894                 else if ( !strcmp( argv[ i ],  "-snap" ) ) {
 895                         bevelSnap = atoi( argv[ i + 1 ] );
 896                         if ( bevelSnap < 0 ) {
 897                                 bevelSnap = 0;
 898                         }
 899                         i++;
 900                         if ( bevelSnap > 0 ) {
 901                                 Sys_Printf( "Snapping brush bevel planes to %d units\n", bevelSnap );
 902                         }
 903                 }
 904                 else if ( !strcmp( argv[ i ],  "-texrange" ) ) {
 905                         texRange = atoi( argv[ i + 1 ] );
 906                         if ( texRange < 0 ) {
 907                                 texRange = 0;
 908                         }
 909                         i++;
 910                         Sys_Printf( "Limiting per-surface texture range to %d texels\n", texRange );
 911                 }
 912                 else if ( !strcmp( argv[ i ], "-nohint" ) ) {
 913                         Sys_Printf( "Hint brushes disabled\n" );
 914                         noHint = qtrue;
 915                 }
 916                 else if ( !strcmp( argv[ i ], "-flat" ) ) {
 917                         Sys_Printf( "Flatshading enabled\n" );
 918                         flat = qtrue;
 919                 }
 920                 else if ( !strcmp( argv[ i ], "-celshader" ) ) {
 921                         ++i;
 922                         if ( argv[i][0] ) {
 923                                 sprintf( globalCelShader, "textures/%s", argv[ i ] );
 924                         }
 925                         else{
 926                                 *globalCelShader = 0;
 927                         }
 928                         Sys_Printf( "Global cel shader set to \"%s\"\n", globalCelShader );
 929                 }
 930                 else if ( !strcmp( argv[ i ], "-meta" ) ) {
 931                         Sys_Printf( "Creating meta surfaces from brush faces\n" );
 932                         meta = qtrue;
 933                 }
 934                 else if ( !strcmp( argv[ i ], "-metaadequatescore" ) ) {
 935                         metaAdequateScore = atoi( argv[ i + 1 ] );
 936                         if ( metaAdequateScore < 0 ) {
 937                                 metaAdequateScore = -1;
 938                         }
 939                         i++;
 940                         if ( metaAdequateScore >= 0 ) {
 941                                 Sys_Printf( "Setting ADEQUATE meta score to %d (see surface_meta.c)\n", metaAdequateScore );
 942                         }
 943                 }
 944                 else if ( !strcmp( argv[ i ], "-metagoodscore" ) ) {
 945                         metaGoodScore = atoi( argv[ i + 1 ] );
 946                         if ( metaGoodScore < 0 ) {
 947                                 metaGoodScore = -1;
 948                         }
 949                         i++;
 950                         if ( metaGoodScore >= 0 ) {
 951                                 Sys_Printf( "Setting GOOD meta score to %d (see surface_meta.c)\n", metaGoodScore );
 952                         }
 953                 }
 954                 else if ( !strcmp( argv[ i ], "-metamaxbboxdistance" ) ) {
 955                         metaMaxBBoxDistance = atof( argv[ i + 1 ] );
 956                         if ( metaMaxBBoxDistance < 0 ) {
 957                                 metaMaxBBoxDistance = -1;
 958                         }
 959                         i++;
 960                         if ( metaMaxBBoxDistance >= 0 ) {
 961                                 Sys_Printf( "Setting meta maximum bounding box distance to %f\n", metaMaxBBoxDistance );
 962                         }
 963                 }
 964                 else if ( !strcmp( argv[ i ], "-patchmeta" ) ) {
 965                         Sys_Printf( "Creating meta surfaces from patches\n" );
 966                         patchMeta = qtrue;
 967                 }
 968                 else if ( !strcmp( argv[ i ], "-flares" ) ) {
 969                         Sys_Printf( "Flare surfaces enabled\n" );
 970                         emitFlares = qtrue;
 971                 }
 972                 else if ( !strcmp( argv[ i ], "-noflares" ) ) {
 973                         Sys_Printf( "Flare surfaces disabled\n" );
 974                         emitFlares = qfalse;
 975                 }
 976                 else if ( !strcmp( argv[ i ], "-skyfix" ) ) {
 977                         Sys_Printf( "GL_CLAMP sky fix/hack/workaround enabled\n" );
 978                         skyFixHack = qtrue;
 979                 }
 980                 else if ( !strcmp( argv[ i ], "-debugsurfaces" ) ) {
 981                         Sys_Printf( "emitting debug surfaces\n" );
 982                         debugSurfaces = qtrue;
 983                 }
 984                 else if ( !strcmp( argv[ i ], "-debuginset" ) ) {
 985                         Sys_Printf( "Debug surface triangle insetting enabled\n" );
 986                         debugInset = qtrue;
 987                 }
 988                 else if ( !strcmp( argv[ i ], "-debugportals" ) ) {
 989                         Sys_Printf( "Debug portal surfaces enabled\n" );
 990                         debugPortals = qtrue;
 991                 }
 992                 else if ( !strcmp( argv[ i ], "-debugclip" ) ) {
 993                         Sys_Printf( "Debug model clip enabled\n" );
 994                         debugClip = qtrue;
 995                 }
 996                 else if ( !strcmp( argv[ i ],  "-clipdepth" ) ) {
 997                         clipDepthGlobal = atof( argv[ i + 1 ] );
 998                         i++;
 999                         Sys_Printf( "Model autoclip thickness set to %.3f\n", clipDepthGlobal );
1000                 }
1001                 else if ( !strcmp( argv[ i ], "-sRGBtex" ) ) {
1002                         texturesRGB = qtrue;
1003                         Sys_Printf( "Textures are in sRGB\n" );
1004                 }
1005                 else if ( !strcmp( argv[ i ], "-nosRGBtex" ) ) {
1006                         texturesRGB = qfalse;
1007                         Sys_Printf( "Textures are linear\n" );
1008                 }
1009                 else if ( !strcmp( argv[ i ], "-sRGBcolor" ) ) {
1010                         colorsRGB = qtrue;
1011                         Sys_Printf( "Colors are in sRGB\n" );
1012                 }
1013                 else if ( !strcmp( argv[ i ], "-nosRGBcolor" ) ) {
1014                         colorsRGB = qfalse;
1015                         Sys_Printf( "Colors are linear\n" );
1016                 }
1017                 else if ( !strcmp( argv[ i ], "-nosRGB" ) ) {
1018                         texturesRGB = qfalse;
1019                         Sys_Printf( "Textures are linear\n" );
1020                         colorsRGB = qfalse;
1021                         Sys_Printf( "Colors are linear\n" );
1022                 }
1023                 else if ( !strcmp( argv[ i ], "-altsplit" ) ) {
1024                         Sys_Printf( "Alternate BSP splitting (by 27) enabled\n" );
1025                         bspAlternateSplitWeights = qtrue;
1026                 }
1027                 else if ( !strcmp( argv[ i ], "-deep" ) ) {
1028                         Sys_Printf( "Deep BSP tree generation enabled\n" );
1029                         deepBSP = qtrue;
1030                 }
1031                 else if ( !strcmp( argv[ i ], "-maxarea" ) ) {
1032                         Sys_Printf( "Max Area face surface generation enabled\n" );
1033                         maxAreaFaceSurface = qtrue;
1034                 }
1035                 else if ( !strcmp( argv[ i ], "-bspfile" ) )
1036                 {
1037                         strcpy( BSPFilePath, argv[i + 1] );
1038                         argv[ i ] = NULL;
1039                         i++;
1040                         argv[ i ] = NULL;
1041                         Sys_Printf( "Use %s as bsp file\n", BSPFilePath );
1042                 }
1043                 else if ( !strcmp( argv[ i ], "-linfile" ) )
1044                 {
1045                         strcpy( lineFilePath, argv[i + 1] );
1046                         argv[ i ] = NULL;
1047                         i++;
1048                         argv[ i ] = NULL;
1049                         Sys_Printf( "Use %s as line file\n", lineFilePath );
1050                 }
1051                 else if ( !strcmp( argv[ i ], "-prtfile" ) )
1052                 {
1053                         strcpy( portalFilePath, argv[i + 1] );
1054                         argv[ i ] = NULL;
1055                         i++;
1056                         argv[ i ] = NULL;
1057                         Sys_Printf( "Use %s as portal file\n", portalFilePath );
1058                 }
1059                 else if ( !strcmp( argv[ i ], "-srffile" ) )
1060                 {
1061                         strcpy( surfaceFilePath, argv[i + 1] );
1062                         argv[ i ] = NULL;
1063                         i++;
1064                         argv[ i ] = NULL;
1065                         Sys_Printf( "Use %s as surface file\n", surfaceFilePath );
1066                 }
1067                 else if ( !strcmp( argv[ i ], "-noob" ) ) {
1068                         Sys_Printf( "No oBs!\n" );
1069                         noob = qtrue;
1070                 }
1071                 else
1072                 {
1073                         Sys_Printf( "WARNING: Unknown option \"%s\"\n", argv[ i ] );
1074                 }
1075         }
1076
1077         /* fixme: print more useful usage here */
1078         if ( i != ( argc - 1 ) ) {
1079                 Error( "usage: q3map [options] mapfile" );
1080         }
1081
1082         /* copy source name */
1083         strcpy( source, ExpandArg( argv[ i ] ) );
1084         StripExtension( source );
1085
1086         /* ydnar: set default sample size */
1087         SetDefaultSampleSize( sampleSize );
1088
1089         if (!BSPFilePath[0]) {
1090                 sprintf( BSPFilePath, "%s.bsp", source );
1091         }
1092         if (!lineFilePath[0]) {
1093                 sprintf( lineFilePath, "%s.lin", source );
1094         }
1095         if (!portalFilePath[0]) {
1096                 sprintf( portalFilePath, "%s.prt", source );
1097         }
1098         if (!surfaceFilePath[0]) {
1099                 sprintf( surfaceFilePath, "%s.srf", source );
1100         }
1101
1102         /* delete portal, line and surface files */
1103         remove( portalFilePath );
1104         remove( lineFilePath );
1105         //%     remove( surfaceFilePath )       /* ydnar */
1106
1107         /* expand mapname */
1108         strcpy( name, ExpandArg( argv[ i ] ) );
1109         if ( strcmp( name + strlen( name ) - 4, ".reg" ) ) {
1110                 /* if we are doing a full map, delete the last saved region map */
1111                 sprintf( path, "%s.reg", source );
1112                 remove( path );
1113                 DefaultExtension( name, ".map" );   /* might be .reg */
1114         }
1115
1116         /* if onlyents, just grab the entites and resave */
1117         if ( onlyents ) {
1118                 OnlyEnts( BSPFilePath );
1119                 return 0;
1120         }
1121
1122         /* load shaders */
1123         LoadShaderInfo();
1124
1125         /* load original file from temp spot in case it was renamed by the editor on the way in */
1126         if ( strlen( tempSource ) > 0 ) {
1127                 LoadMapFile( tempSource, qfalse, qfalse );
1128         }
1129         else{
1130                 LoadMapFile( name, qfalse, qfalse );
1131         }
1132
1133         /* div0: inject command line parameters */
1134         InjectCommandLine( argv, 1, argc - 1 );
1135
1136         /* ydnar: decal setup */
1137         ProcessDecals();
1138
1139         /* ydnar: cloned brush model entities */
1140         SetCloneModelNumbers();
1141
1142         /* process world and submodels */
1143         ProcessModels( portalFilePath, lineFilePath );
1144
1145         /* set light styles from targetted light entities */
1146         SetLightStyles();
1147
1148         /* process in game advertisements */
1149         ProcessAdvertisements();
1150
1151         /* finish and write bsp */
1152         EndBSPFile( qtrue, BSPFilePath, surfaceFilePath );
1153
1154         /* remove temp map source file if appropriate */
1155         if ( strlen( tempSource ) > 0 ) {
1156                 remove( tempSource );
1157         }
1158
1159         /* return to sender */
1160         return 0;
1161 }