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 /*
  49    ProcessAdvertisements()
  50    copies advertisement info into the BSP structures
  51  */
  52
  53 static void ProcessAdvertisements( void ) {
  54         int i;
  55         const char*         className;
  56         const char*         modelKey;
  57         int modelNum;
  58         bspModel_t*         adModel;
  59         bspDrawSurface_t*   adSurface;
  60
  61         Sys_FPrintf( SYS_VRB, "--- ProcessAdvertisements ---\n" );
  62
  63         for ( i = 0; i < numEntities; i++ ) {
  64
  65                 /* is an advertisement? */
  66                 className = ValueForKey( &entities[ i ], "classname" );
  67
  68                 if ( !Q_stricmp( "advertisement", className ) ) {
  69
  70                         modelKey = ValueForKey( &entities[ i ], "model" );
  71
  72                         if ( strlen( modelKey ) > MAX_QPATH - 1 ) {
  73                                 Error( "Model Key for entity exceeds ad struct string length." );
  74                         }
  75                         else {
  76                                 if ( numBSPAds < MAX_MAP_ADVERTISEMENTS ) {
  77                                         bspAds[numBSPAds].cellId = IntForKey( &entities[ i ], "cellId" );
  78                                         strncpy( bspAds[numBSPAds].model, modelKey, sizeof( bspAds[numBSPAds].model ) );
  79
  80                                         modelKey++;
  81                                         modelNum = atoi( modelKey );
  82                                         adModel = &bspModels[modelNum];
  83
  84                                         if ( adModel->numBSPSurfaces != 1 ) {
  85                                                 Error( "Ad cell id %d has more than one surface.", bspAds[numBSPAds].cellId );
  86                                         }
  87
  88                                         adSurface = &bspDrawSurfaces[adModel->firstBSPSurface];
  89
  90                                         // store the normal for use at run time.. all ad verts are assumed to
  91                                         // have identical normals (because they should be a simple rectangle)
  92                                         // so just use the first vert's normal
  93                                         VectorCopy( bspDrawVerts[adSurface->firstVert].normal, bspAds[numBSPAds].normal );
  94
  95                                         // store the ad quad for quick use at run time
  96                                         if ( adSurface->surfaceType == MST_PATCH ) {
  97                                                 int v0 = adSurface->firstVert + adSurface->patchHeight - 1;
  98                                                 int v1 = adSurface->firstVert + adSurface->numVerts - 1;
  99                                                 int v2 = adSurface->firstVert + adSurface->numVerts - adSurface->patchWidth;
 100                                                 int v3 = adSurface->firstVert;
 101                                                 VectorCopy( bspDrawVerts[v0].xyz, bspAds[numBSPAds].rect[0] );
 102                                                 VectorCopy( bspDrawVerts[v1].xyz, bspAds[numBSPAds].rect[1] );
 103                                                 VectorCopy( bspDrawVerts[v2].xyz, bspAds[numBSPAds].rect[2] );
 104                                                 VectorCopy( bspDrawVerts[v3].xyz, bspAds[numBSPAds].rect[3] );
 105                                         }
 106                                         else {
 107                                                 Error( "Ad cell %d has an unsupported Ad Surface type.", bspAds[numBSPAds].cellId );
 108                                         }
 109
 110                                         numBSPAds++;
 111                                 }
 112                                 else {
 113                                         Error( "Maximum number of map advertisements exceeded." );
 114                                 }
 115                         }
 116                 }
 117         }
 118
 119         Sys_FPrintf( SYS_VRB, "%9d in-game advertisements\n", numBSPAds );
 120 }
 121
 122 /*
 123    SetCloneModelNumbers() - ydnar
 124    sets the model numbers for brush entities
 125  */
 126
 127 static void SetCloneModelNumbers( void ){
 128         int i, j;
 129         int models;
 130         char modelValue[ 10 ];
 131         const char  *value, *value2, *value3;
 132
 133
 134         /* start with 1 (worldspawn is model 0) */
 135         models = 1;
 136         for ( i = 1; i < numEntities; i++ )
 137         {
 138                 /* only entities with brushes or patches get a model number */
 139                 if ( entities[ i ].brushes == NULL && entities[ i ].patches == NULL ) {
 140                         continue;
 141                 }
 142
 143                 /* is this a clone? */
 144                 value = ValueForKey( &entities[ i ], "_ins" );
 145                 if ( value[ 0 ] == '\0' ) {
 146                         value = ValueForKey( &entities[ i ], "_instance" );
 147                 }
 148                 if ( value[ 0 ] == '\0' ) {
 149                         value = ValueForKey( &entities[ i ], "_clone" );
 150                 }
 151                 if ( value[ 0 ] != '\0' ) {
 152                         continue;
 153                 }
 154
 155                 /* add the model key */
 156                 sprintf( modelValue, "*%d", models );
 157                 SetKeyValue( &entities[ i ], "model", modelValue );
 158
 159                 /* increment model count */
 160                 models++;
 161         }
 162
 163         /* fix up clones */
 164         for ( i = 1; i < numEntities; i++ )
 165         {
 166                 /* only entities with brushes or patches get a model number */
 167                 if ( entities[ i ].brushes == NULL && entities[ i ].patches == NULL ) {
 168                         continue;
 169                 }
 170
 171                 /* is this a clone? */
 172                 value = ValueForKey( &entities[ i ], "_ins" );
 173                 if ( value[ 0 ] == '\0' ) {
 174                         value = ValueForKey( &entities[ i ], "_instance" );
 175                 }
 176                 if ( value[ 0 ] == '\0' ) {
 177                         value = ValueForKey( &entities[ i ], "_clone" );
 178                 }
 179                 if ( value[ 0 ] == '\0' ) {
 180                         continue;
 181                 }
 182
 183                 /* find an entity with matching clone name */
 184                 for ( j = 0; j < numEntities; j++ )
 185                 {
 186                         /* is this a clone parent? */
 187                         value2 = ValueForKey( &entities[ j ], "_clonename" );
 188                         if ( value2[ 0 ] == '\0' ) {
 189                                 continue;
 190                         }
 191
 192                         /* do they match? */
 193                         if ( strcmp( value, value2 ) == 0 ) {
 194                                 /* get the model num */
 195                                 value3 = ValueForKey( &entities[ j ], "model" );
 196                                 if ( value3[ 0 ] == '\0' ) {
 197                                         Sys_FPrintf( SYS_WRN, "WARNING: Cloned entity %s referenced entity without model\n", value2 );
 198                                         continue;
 199                                 }
 200                                 models = atoi( &value2[ 1 ] );
 201
 202                                 /* add the model key */
 203                                 sprintf( modelValue, "*%d", models );
 204                                 SetKeyValue( &entities[ i ], "model", modelValue );
 205
 206                                 /* nuke the brushes/patches for this entity (fixme: leak!) */
 207                                 entities[ i ].brushes = NULL;
 208                                 entities[ i ].patches = NULL;
 209                         }
 210                 }
 211         }
 212 }
 213
 214
 215
 216 /*
 217    FixBrushSides() - ydnar
 218    matches brushsides back to their appropriate drawsurface and shader
 219  */
 220
 221 static void FixBrushSides( entity_t *e ){
 222         int i;
 223         mapDrawSurface_t    *ds;
 224         sideRef_t           *sideRef;
 225         bspBrushSide_t      *side;
 226
 227
 228         /* note it */
 229         Sys_FPrintf( SYS_VRB, "--- FixBrushSides ---\n" );
 230
 231         /* walk list of drawsurfaces */
 232         for ( i = e->firstDrawSurf; i < numMapDrawSurfs; i++ )
 233         {
 234                 /* get surface and try to early out */
 235                 ds = &mapDrawSurfs[ i ];
 236                 if ( ds->outputNum < 0 ) {
 237                         continue;
 238                 }
 239
 240                 /* walk sideref list */
 241                 for ( sideRef = ds->sideRef; sideRef != NULL; sideRef = sideRef->next )
 242                 {
 243                         /* get bsp brush side */
 244                         if ( sideRef->side == NULL || sideRef->side->outputNum < 0 ) {
 245                                 continue;
 246                         }
 247                         side = &bspBrushSides[ sideRef->side->outputNum ];
 248
 249                         /* set drawsurface */
 250                         side->surfaceNum = ds->outputNum;
 251                         //%     Sys_FPrintf( SYS_VRB, "DS: %7d Side: %7d     ", ds->outputNum, sideRef->side->outputNum );
 252
 253                         /* set shader */
 254                         if ( strcmp( bspShaders[ side->shaderNum ].shader, ds->shaderInfo->shader ) ) {
 255                                 //%     Sys_FPrintf( SYS_VRB, "Remapping %s to %s\n", bspShaders[ side->shaderNum ].shader, ds->shaderInfo->shader );
 256                                 side->shaderNum = EmitShader( ds->shaderInfo->shader, &ds->shaderInfo->contentFlags, &ds->shaderInfo->surfaceFlags );
 257                         }
 258                 }
 259         }
 260 }
 261
 262
 263
 264 /*
 265    ProcessWorldModel()
 266    creates a full bsp + surfaces for the worldspawn entity
 267  */
 268
 269 void ProcessWorldModel( const char *portalFilePath, const char *lineFilePath ){
 270         int i, s;
 271         entity_t    *e;
 272         tree_t      *tree;
 273         face_t      *faces;
 274         qboolean ignoreLeaks, leaked;
 275         xmlNodePtr polyline, leaknode;
 276         char level[ 2 ], shader[ 1024 ];
 277         const char  *value;
 278         int leakStatus;
 279
 280         /* sets integer blockSize from worldspawn "_blocksize" key if it exists */
 281         value = ValueForKey( &entities[ 0 ], "_blocksize" );
 282         if ( value[ 0 ] == '\0' ) {
 283                 value = ValueForKey( &entities[ 0 ], "blocksize" );
 284         }
 285         if ( value[ 0 ] == '\0' ) {
 286                 value = ValueForKey( &entities[ 0 ], "chopsize" );  /* sof2 */
 287         }
 288         if ( value[ 0 ] != '\0' ) {
 289                 /* scan 3 numbers */
 290                 s = sscanf( value, "%d %d %d", &blockSize[ 0 ], &blockSize[ 1 ], &blockSize[ 2 ] );
 291
 292                 /* handle legacy case */
 293                 if ( s == 1 ) {
 294                         blockSize[ 1 ] = blockSize[ 0 ];
 295                         blockSize[ 2 ] = blockSize[ 0 ];
 296                 }
 297         }
 298         Sys_Printf( "block size = { %d %d %d }\n", blockSize[ 0 ], blockSize[ 1 ], blockSize[ 2 ] );
 299
 300         /* sof2: ignore leaks? */
 301         value = ValueForKey( &entities[ 0 ], "_ignoreleaks" );  /* ydnar */
 302         if ( value[ 0 ] == '\0' ) {
 303                 value = ValueForKey( &entities[ 0 ], "ignoreleaks" );
 304         }
 305         if ( value[ 0 ] == '1' ) {
 306                 ignoreLeaks = qtrue;
 307         }
 308         else{
 309                 ignoreLeaks = qfalse;
 310         }
 311
 312         /* begin worldspawn model */
 313         BeginModel();
 314         e = &entities[ 0 ];
 315         e->firstDrawSurf = 0;
 316
 317         /* ydnar: gs mods */
 318         ClearMetaTriangles();
 319
 320         /* check for patches with adjacent edges that need to lod together */
 321         PatchMapDrawSurfs( e );
 322
 323         /* build an initial bsp tree using all of the sides of all of the structural brushes */
 324         faces = MakeStructuralBSPFaceList( entities[ 0 ].brushes );
 325         tree = FaceBSP( faces );
 326         MakeTreePortals( tree );
 327         FilterStructuralBrushesIntoTree( e, tree );
 328
 329         /* see if the bsp is completely enclosed */
 330         leakStatus = FloodEntities( tree );
 331         if ( ignoreLeaks ) {
 332                 if ( leakStatus == FLOODENTITIES_LEAKED ) {
 333                         leakStatus = FLOODENTITIES_GOOD;
 334                 }
 335         }
 336
 337         if ( leakStatus == FLOODENTITIES_GOOD ) {
 338                 leaked = qfalse;
 339         }
 340         else
 341         {
 342                 leaked = qtrue;
 343
 344                 Sys_FPrintf( SYS_NOXML, "**********************\n" );
 345                 Sys_FPrintf( SYS_NOXML, "******* leaked *******\n" );
 346                 Sys_FPrintf( SYS_NOXML, "**********************\n" );
 347                 polyline = LeakFile( tree, lineFilePath );
 348                 leaknode = xmlNewNode( NULL, (xmlChar*)"message" );
 349                 xmlNodeSetContent( leaknode, (xmlChar*)"MAP LEAKED\n" );
 350                 xmlAddChild( leaknode, polyline );
 351                 level[0] = (int) '0' + SYS_ERR;
 352                 level[1] = 0;
 353                 xmlSetProp( leaknode, (xmlChar*)"level", (xmlChar*) &level );
 354                 xml_SendNode( leaknode );
 355                 if ( leaktest ) {
 356                         Sys_Printf( "--- MAP LEAKED, ABORTING LEAKTEST ---\n" );
 357                         exit( 0 );
 358                 }
 359         }
 360
 361         if ( leakStatus != FLOODENTITIES_EMPTY ) { /* if no entities exist, this would accidentally the whole map, and that IS bad */
 362                 /* rebuild a better bsp tree using only the sides that are visible from the inside */
 363                 FillOutside( tree->headnode );
 364
 365                 /* chop the sides to the convex hull of their visible fragments, giving us the smallest polygons */
 366                 ClipSidesIntoTree( e, tree );
 367
 368                 /* build a visible face tree (same thing as the initial bsp tree but after reducing the faces) */
 369                 faces = MakeVisibleBSPFaceList( entities[ 0 ].brushes );
 370                 FreeTree( tree );
 371                 tree = FaceBSP( faces );
 372                 MakeTreePortals( tree );
 373                 FilterStructuralBrushesIntoTree( e, tree );
 374
 375                 /* ydnar: flood again for skybox */
 376                 if ( skyboxPresent ) {
 377                         FloodEntities( tree );
 378                 }
 379         }
 380
 381         /* save out information for visibility processing */
 382         NumberClusters( tree );
 383         if ( !leaked ) {
 384                 WritePortalFile( tree, portalFilePath );
 385         }
 386
 387         /* flood from entities */
 388         FloodAreas( tree );
 389
 390         /* create drawsurfs for triangle models */
 391         AddTriangleModels( e );
 392
 393         /* create drawsurfs for surface models */
 394         AddEntitySurfaceModels( e );
 395
 396         /* generate bsp brushes from map brushes */
 397         EmitBrushes( e->brushes, &e->firstBrush, &e->numBrushes );
 398
 399         /* add references to the detail brushes */
 400         FilterDetailBrushesIntoTree( e, tree );
 401
 402         /* drawsurfs that cross fog boundaries will need to be split along the fog boundary */
 403         if ( !nofog ) {
 404                 FogDrawSurfaces( e );
 405         }
 406
 407         /* subdivide each drawsurf as required by shader tesselation */
 408         if ( !nosubdivide ) {
 409                 SubdivideFaceSurfaces( e, tree );
 410         }
 411
 412         /* add in any vertexes required to fix t-junctions */
 413         if ( !notjunc ) {
 414                 FixTJunctions( e );
 415         }
 416
 417         /* ydnar: classify the surfaces */
 418         ClassifyEntitySurfaces( e );
 419
 420         /* ydnar: project decals */
 421         MakeEntityDecals( e );
 422
 423         /* ydnar: meta surfaces */
 424         MakeEntityMetaTriangles( e );
 425         SmoothMetaTriangles();
 426         FixMetaTJunctions();
 427         MergeMetaTriangles();
 428
 429         /* ydnar: debug portals */
 430         if ( debugPortals ) {
 431                 MakeDebugPortalSurfs( tree );
 432         }
 433
 434         /* ydnar: fog hull */
 435         value = ValueForKey( &entities[ 0 ], "_foghull" );
 436         if ( value[ 0 ] != '\0' ) {
 437                 sprintf( shader, "textures/%s", value );
 438                 MakeFogHullSurfs( e, tree, shader );
 439         }
 440
 441         /* ydnar: bug 645: do flares for lights */
 442         for ( i = 0; i < numEntities && emitFlares; i++ )
 443         {
 444                 entity_t    *light, *target;
 445                 const char  *value, *flareShader;
 446                 vec3_t origin, targetOrigin, normal, color;
 447                 int lightStyle;
 448
 449
 450                 /* get light */
 451                 light = &entities[ i ];
 452                 value = ValueForKey( light, "classname" );
 453                 if ( !strcmp( value, "light" ) ) {
 454                         /* get flare shader */
 455                         flareShader = ValueForKey( light, "_flareshader" );
 456                         value = ValueForKey( light, "_flare" );
 457                         if ( flareShader[ 0 ] != '\0' || value[ 0 ] != '\0' ) {
 458                                 /* get specifics */
 459                                 GetVectorForKey( light, "origin", origin );
 460                                 GetVectorForKey( light, "_color", color );
 461                                 lightStyle = IntForKey( light, "_style" );
 462                                 if ( lightStyle == 0 ) {
 463                                         lightStyle = IntForKey( light, "style" );
 464                                 }
 465
 466                                 /* handle directional spotlights */
 467                                 value = ValueForKey( light, "target" );
 468                                 if ( value[ 0 ] != '\0' ) {
 469                                         /* get target light */
 470                                         target = FindTargetEntity( value );
 471                                         if ( target != NULL ) {
 472                                                 GetVectorForKey( target, "origin", targetOrigin );
 473                                                 VectorSubtract( targetOrigin, origin, normal );
 474                                                 VectorNormalize( normal, normal );
 475                                         }
 476                                 }
 477                                 else{
 478                                         //%     VectorClear( normal );
 479                                         VectorSet( normal, 0, 0, -1 );
 480                                 }
 481
 482                                 if ( colorsRGB ) {
 483                                         color[0] = Image_LinearFloatFromsRGBFloat( color[0] );
 484                                         color[1] = Image_LinearFloatFromsRGBFloat( color[1] );
 485                                         color[2] = Image_LinearFloatFromsRGBFloat( color[2] );
 486                                 }
 487
 488                                 /* create the flare surface (note shader defaults automatically) */
 489                                 DrawSurfaceForFlare( mapEntityNum, origin, normal, color, flareShader, lightStyle );
 490                         }
 491                 }
 492         }
 493
 494         /* add references to the final drawsurfs in the apropriate clusters */
 495         FilterDrawsurfsIntoTree( e, tree );
 496
 497         /* match drawsurfaces back to original brushsides (sof2) */
 498         FixBrushSides( e );
 499
 500         /* finish */
 501         EndModel( e, tree->headnode );
 502         FreeTree( tree );
 503 }
 504
 505
 506
 507 /*
 508    ProcessSubModel()
 509    creates bsp + surfaces for other brush models
 510  */
 511
 512 void ProcessSubModel( void ){
 513         entity_t    *e;
 514         tree_t      *tree;
 515         brush_t     *b, *bc;
 516         node_t      *node;
 517
 518
 519         /* start a brush model */
 520         BeginModel();
 521         e = &entities[ mapEntityNum ];
 522         e->firstDrawSurf = numMapDrawSurfs;
 523
 524         /* ydnar: gs mods */
 525         ClearMetaTriangles();
 526
 527         /* check for patches with adjacent edges that need to lod together */
 528         PatchMapDrawSurfs( e );
 529
 530         /* allocate a tree */
 531         node = AllocNode();
 532         node->planenum = PLANENUM_LEAF;
 533         tree = AllocTree();
 534         tree->headnode = node;
 535
 536         /* add the sides to the tree */
 537         ClipSidesIntoTree( e, tree );
 538
 539         /* ydnar: create drawsurfs for triangle models */
 540         AddTriangleModels( e );
 541
 542         /* create drawsurfs for surface models */
 543         AddEntitySurfaceModels( e );
 544
 545         /* generate bsp brushes from map brushes */
 546         EmitBrushes( e->brushes, &e->firstBrush, &e->numBrushes );
 547
 548         /* just put all the brushes in headnode */
 549         for ( b = e->brushes; b; b = b->next )
 550         {
 551                 bc = CopyBrush( b );
 552                 bc->next = node->brushlist;
 553                 node->brushlist = bc;
 554         }
 555
 556         /* subdivide each drawsurf as required by shader tesselation */
 557         if ( !nosubdivide ) {
 558                 SubdivideFaceSurfaces( e, tree );
 559         }
 560
 561         /* add in any vertexes required to fix t-junctions */
 562         if ( !notjunc ) {
 563                 FixTJunctions( e );
 564         }
 565
 566         /* ydnar: classify the surfaces and project lightmaps */
 567         ClassifyEntitySurfaces( e );
 568
 569         /* ydnar: project decals */
 570         MakeEntityDecals( e );
 571
 572         /* ydnar: meta surfaces */
 573         MakeEntityMetaTriangles( e );
 574         SmoothMetaTriangles();
 575         FixMetaTJunctions();
 576         MergeMetaTriangles();
 577
 578         /* add references to the final drawsurfs in the apropriate clusters */
 579         FilterDrawsurfsIntoTree( e, tree );
 580
 581         /* match drawsurfaces back to original brushsides (sof2) */
 582         FixBrushSides( e );
 583
 584         /* finish */
 585         EndModel( e, node );
 586         FreeTree( tree );
 587 }
 588
 589
 590
 591 /*
 592    ProcessModels()
 593    process world + other models into the bsp
 594  */
 595
 596 void ProcessModels( const char *portalFilePath, const char *lineFilePath ){
 597         qboolean oldVerbose;
 598         entity_t    *entity;
 599
 600
 601         /* preserve -v setting */
 602         oldVerbose = verbose;
 603
 604         /* start a new bsp */
 605         BeginBSPFile();
 606
 607         /* create map fogs */
 608         CreateMapFogs();
 609
 610         /* walk entity list */
 611         for ( mapEntityNum = 0; mapEntityNum < numEntities; mapEntityNum++ )
 612         {
 613                 /* get entity */
 614                 entity = &entities[ mapEntityNum ];
 615                 if ( entity->brushes == NULL && entity->patches == NULL ) {
 616                         continue;
 617                 }
 618
 619                 /* process the model */
 620                 Sys_FPrintf( SYS_VRB, "############### model %i ###############\n", numBSPModels );
 621                 if ( mapEntityNum == 0 ) {
 622                         ProcessWorldModel(portalFilePath, lineFilePath);
 623                 }
 624                 else{
 625                         ProcessSubModel();
 626                 }
 627
 628                 /* potentially turn off the deluge of text */
 629                 verbose = verboseEntities;
 630         }
 631
 632         /* restore -v setting */
 633         verbose = oldVerbose;
 634
 635         /* write fogs */
 636         EmitFogs();
 637
 638         /* vortex: emit meta stats */
 639         EmitMetaStats();
 640 }
 641
 642
 643
 644 /*
 645    OnlyEnts()
 646    this is probably broken unless teamed with a radiant version that preserves entity order
 647  */
 648
 649 void OnlyEnts( const char *BSPFilePath ){
 650         char save_cmdline[1024], save_version[1024], save_gridsize[1024];
 651         const char *p;
 652
 653         /* note it */
 654         Sys_Printf( "--- OnlyEnts ---\n" );
 655
 656         LoadBSPFile( BSPFilePath );
 657
 658         ParseEntities();
 659         p = ValueForKey( &entities[0], "_q3map2_cmdline" );
 660         strncpy( save_cmdline, p, sizeof( save_cmdline ) );
 661         save_cmdline[sizeof( save_cmdline ) - 1] = 0;
 662         p = ValueForKey( &entities[0], "_q3map2_version" );
 663         strncpy( save_version, p, sizeof( save_version ) );
 664         save_version[sizeof( save_version ) - 1] = 0;
 665         p = ValueForKey( &entities[0], "gridsize" );
 666         strncpy( save_gridsize, p, sizeof( save_gridsize ) );
 667         save_gridsize[sizeof( save_gridsize ) - 1] = 0;
 668
 669         numEntities = 0;
 670
 671         LoadShaderInfo();
 672         LoadMapFile( name, qfalse, qfalse );
 673         SetModelNumbers();
 674         SetLightStyles();
 675
 676         if ( *save_cmdline ) {
 677                 SetKeyValue( &entities[0], "_q3map2_cmdline", save_cmdline );
 678         }
 679         if ( *save_version ) {
 680                 SetKeyValue( &entities[0], "_q3map2_version", save_version );
 681         }
 682         if ( *save_gridsize ) {
 683                 SetKeyValue( &entities[0], "gridsize", save_gridsize );
 684         }
 685
 686         numBSPEntities = numEntities;
 687         UnparseEntities();
 688
 689         WriteBSPFile( BSPFilePath );
 690 }
 691
 692
 693
 694 /*
 695    BSPMain() - ydnar
 696    handles creation of a bsp from a map file
 697  */
 698
 699 int BSPMain( int argc, char **argv ){
 700         int i;
 701         char path[ 1024 ], tempSource[ 1024 ];
 702         qboolean onlyents = qfalse;
 703         char BSPFilePath [ 1024 ];
 704         char lineFilePath [ 1024 ];
 705         char portalFilePath [ 1024 ];
 706         char surfaceFilePath [ 1024 ];
 707         BSPFilePath[0] = 0;
 708         lineFilePath[0] = 0;
 709         portalFilePath[0] = 0;
 710         surfaceFilePath[0] = 0;
 711
 712
 713         /* note it */
 714         Sys_Printf( "--- BSP ---\n" );
 715
 716         SetDrawSurfacesBuffer();
 717         mapDrawSurfs = safe_malloc( sizeof( mapDrawSurface_t ) * MAX_MAP_DRAW_SURFS );
 718         memset( mapDrawSurfs, 0, sizeof( mapDrawSurface_t ) * MAX_MAP_DRAW_SURFS );
 719         numMapDrawSurfs = 0;
 720
 721         tempSource[ 0 ] = '\0';
 722         globalCelShader[0] = 0;
 723
 724         /* set standard game flags */
 725         maxSurfaceVerts = game->maxSurfaceVerts;
 726         maxSurfaceIndexes = game->maxSurfaceIndexes;
 727         emitFlares = game->emitFlares;
 728         texturesRGB = game->texturesRGB;
 729         colorsRGB = game->colorsRGB;
 730
 731         /* process arguments */
 732         for ( i = 1; i < ( argc - 1 ); i++ )
 733         {
 734                 if ( !strcmp( argv[ i ], "-onlyents" ) ) {
 735                         Sys_Printf( "Running entity-only compile\n" );
 736                         onlyents = qtrue;
 737                 }
 738                 else if ( !strcmp( argv[ i ], "-tempname" ) ) {
 739                         strcpy( tempSource, argv[ ++i ] );
 740                 }
 741                 else if ( !strcmp( argv[ i ], "-tmpout" ) ) {
 742                         strcpy( outbase, "/tmp" );
 743                 }
 744                 else if ( !strcmp( argv[ i ],  "-nowater" ) ) {
 745                         Sys_Printf( "Disabling water\n" );
 746                         nowater = qtrue;
 747                 }
 748                 else if ( !strcmp( argv[ i ], "-keeplights" ) ) {
 749                         keepLights = qtrue;
 750                         Sys_Printf( "Leaving light entities on map after compile\n" );
 751                 }
 752                 else if ( !strcmp( argv[ i ],  "-nodetail" ) ) {
 753                         Sys_Printf( "Ignoring detail brushes\n" ) ;
 754                         nodetail = qtrue;
 755                 }
 756                 else if ( !strcmp( argv[ i ],  "-fulldetail" ) ) {
 757                         Sys_Printf( "Turning detail brushes into structural brushes\n" );
 758                         fulldetail = qtrue;
 759                 }
 760                 else if ( !strcmp( argv[ i ],  "-nofog" ) ) {
 761                         Sys_Printf( "Fog volumes disabled\n" );
 762                         nofog = qtrue;
 763                 }
 764                 else if ( !strcmp( argv[ i ],  "-nosubdivide" ) ) {
 765                         Sys_Printf( "Disabling brush face subdivision\n" );
 766                         nosubdivide = qtrue;
 767                 }
 768                 else if ( !strcmp( argv[ i ],  "-leaktest" ) ) {
 769                         Sys_Printf( "Leaktest enabled\n" );
 770                         leaktest = qtrue;
 771                 }
 772                 else if ( !strcmp( argv[ i ],  "-verboseentities" ) ) {
 773                         Sys_Printf( "Verbose entities enabled\n" );
 774                         verboseEntities = qtrue;
 775                 }
 776                 else if ( !strcmp( argv[ i ], "-nocurves" ) ) {
 777                         Sys_Printf( "Ignoring curved surfaces (patches)\n" );
 778                         noCurveBrushes = qtrue;
 779                 }
 780                 else if ( !strcmp( argv[ i ], "-notjunc" ) ) {
 781                         Sys_Printf( "T-junction fixing disabled\n" );
 782                         notjunc = qtrue;
 783                 }
 784                 else if ( !strcmp( argv[ i ], "-fakemap" ) ) {
 785                         Sys_Printf( "Generating fakemap.map\n" );
 786                         fakemap = qtrue;
 787                 }
 788                 else if ( !strcmp( argv[ i ],  "-samplesize" ) ) {
 789                         sampleSize = atoi( argv[ i + 1 ] );
 790                         if ( sampleSize < 1 ) {
 791                                 sampleSize = 1;
 792                         }
 793                         i++;
 794                         Sys_Printf( "Lightmap sample size set to %dx%d units\n", sampleSize, sampleSize );
 795                 }
 796                 else if ( !strcmp( argv[ i ], "-minsamplesize" ) ) {
 797                         minSampleSize = atoi( argv[ i + 1 ] );
 798                         if ( minSampleSize < 1 ) {
 799                                 minSampleSize = 1;
 800                         }
 801                         i++;
 802                         Sys_Printf( "Minimum lightmap sample size set to %dx%d units\n", minSampleSize, minSampleSize );
 803                 }
 804                 else if ( !strcmp( argv[ i ],  "-custinfoparms" ) ) {
 805                         Sys_Printf( "Custom info parms enabled\n" );
 806                         useCustomInfoParms = qtrue;
 807                 }
 808
 809                 /* sof2 args */
 810                 else if ( !strcmp( argv[ i ], "-rename" ) ) {
 811                         Sys_Printf( "Appending _bsp suffix to misc_model shaders (SOF2)\n" );
 812                         renameModelShaders = qtrue;
 813                 }
 814
 815                 /* ydnar args */
 816                 else if ( !strcmp( argv[ i ],  "-ne" ) ) {
 817                         normalEpsilon = atof( argv[ i + 1 ] );
 818                         i++;
 819                         Sys_Printf( "Normal epsilon set to %f\n", normalEpsilon );
 820                 }
 821                 else if ( !strcmp( argv[ i ],  "-de" ) ) {
 822                         distanceEpsilon = atof( argv[ i + 1 ] );
 823                         i++;
 824                         Sys_Printf( "Distance epsilon set to %f\n", distanceEpsilon );
 825                 }
 826                 else if ( !strcmp( argv[ i ],  "-mv" ) ) {
 827                         maxLMSurfaceVerts = atoi( argv[ i + 1 ] );
 828                         if ( maxLMSurfaceVerts < 3 ) {
 829                                 maxLMSurfaceVerts = 3;
 830                         }
 831                         if ( maxLMSurfaceVerts > maxSurfaceVerts ) {
 832                                 maxSurfaceVerts = maxLMSurfaceVerts;
 833                         }
 834                         i++;
 835                         Sys_Printf( "Maximum lightmapped surface vertex count set to %d\n", maxLMSurfaceVerts );
 836                 }
 837                 else if ( !strcmp( argv[ i ],  "-mi" ) ) {
 838                         maxSurfaceIndexes = atoi( argv[ i + 1 ] );
 839                         if ( maxSurfaceIndexes < 3 ) {
 840                                 maxSurfaceIndexes = 3;
 841                         }
 842                         i++;
 843                         Sys_Printf( "Maximum per-surface index count set to %d\n", maxSurfaceIndexes );
 844                 }
 845                 else if ( !strcmp( argv[ i ], "-np" ) ) {
 846                         npDegrees = atof( argv[ i + 1 ] );
 847                         if ( npDegrees < 0.0f ) {
 848                                 npDegrees = 0.0f;
 849                         }
 850                         else if ( npDegrees > 0.0f ) {
 851                                 Sys_Printf( "Forcing nonplanar surfaces with a breaking angle of %f degrees\n", npDegrees );
 852                         }
 853                         i++;
 854                 }
 855                 else if ( !strcmp( argv[ i ],  "-snap" ) ) {
 856                         bevelSnap = atoi( argv[ i + 1 ] );
 857                         if ( bevelSnap < 0 ) {
 858                                 bevelSnap = 0;
 859                         }
 860                         i++;
 861                         if ( bevelSnap > 0 ) {
 862                                 Sys_Printf( "Snapping brush bevel planes to %d units\n", bevelSnap );
 863                         }
 864                 }
 865                 else if ( !strcmp( argv[ i ],  "-texrange" ) ) {
 866                         texRange = atoi( argv[ i + 1 ] );
 867                         if ( texRange < 0 ) {
 868                                 texRange = 0;
 869                         }
 870                         i++;
 871                         Sys_Printf( "Limiting per-surface texture range to %d texels\n", texRange );
 872                 }
 873                 else if ( !strcmp( argv[ i ], "-nohint" ) ) {
 874                         Sys_Printf( "Hint brushes disabled\n" );
 875                         noHint = qtrue;
 876                 }
 877                 else if ( !strcmp( argv[ i ], "-flat" ) ) {
 878                         Sys_Printf( "Flatshading enabled\n" );
 879                         flat = qtrue;
 880                 }
 881                 else if ( !strcmp( argv[ i ], "-celshader" ) ) {
 882                         ++i;
 883                         if ( argv[i][0] ) {
 884                                 sprintf( globalCelShader, "textures/%s", argv[ i ] );
 885                         }
 886                         else{
 887                                 *globalCelShader = 0;
 888                         }
 889                         Sys_Printf( "Global cel shader set to \"%s\"\n", globalCelShader );
 890                 }
 891                 else if ( !strcmp( argv[ i ], "-meta" ) ) {
 892                         Sys_Printf( "Creating meta surfaces from brush faces\n" );
 893                         meta = qtrue;
 894                 }
 895                 else if ( !strcmp( argv[ i ], "-metaadequatescore" ) ) {
 896                         metaAdequateScore = atoi( argv[ i + 1 ] );
 897                         if ( metaAdequateScore < 0 ) {
 898                                 metaAdequateScore = -1;
 899                         }
 900                         i++;
 901                         if ( metaAdequateScore >= 0 ) {
 902                                 Sys_Printf( "Setting ADEQUATE meta score to %d (see surface_meta.c)\n", metaAdequateScore );
 903                         }
 904                 }
 905                 else if ( !strcmp( argv[ i ], "-metagoodscore" ) ) {
 906                         metaGoodScore = atoi( argv[ i + 1 ] );
 907                         if ( metaGoodScore < 0 ) {
 908                                 metaGoodScore = -1;
 909                         }
 910                         i++;
 911                         if ( metaGoodScore >= 0 ) {
 912                                 Sys_Printf( "Setting GOOD meta score to %d (see surface_meta.c)\n", metaGoodScore );
 913                         }
 914                 }
 915                 else if ( !strcmp( argv[ i ], "-metamaxbboxdistance" ) ) {
 916                         metaMaxBBoxDistance = atof( argv[ i + 1 ] );
 917                         if ( metaMaxBBoxDistance < 0 ) {
 918                                 metaMaxBBoxDistance = -1;
 919                         }
 920                         i++;
 921                         if ( metaMaxBBoxDistance >= 0 ) {
 922                                 Sys_Printf( "Setting meta maximum bounding box distance to %f\n", metaMaxBBoxDistance );
 923                         }
 924                 }
 925                 else if ( !strcmp( argv[ i ], "-patchmeta" ) ) {
 926                         Sys_Printf( "Creating meta surfaces from patches\n" );
 927                         patchMeta = qtrue;
 928                 }
 929                 else if ( !strcmp( argv[ i ], "-flares" ) ) {
 930                         Sys_Printf( "Flare surfaces enabled\n" );
 931                         emitFlares = qtrue;
 932                 }
 933                 else if ( !strcmp( argv[ i ], "-noflares" ) ) {
 934                         Sys_Printf( "Flare surfaces disabled\n" );
 935                         emitFlares = qfalse;
 936                 }
 937                 else if ( !strcmp( argv[ i ], "-skyfix" ) ) {
 938                         Sys_Printf( "GL_CLAMP sky fix/hack/workaround enabled\n" );
 939                         skyFixHack = qtrue;
 940                 }
 941                 else if ( !strcmp( argv[ i ], "-debugsurfaces" ) ) {
 942                         Sys_Printf( "emitting debug surfaces\n" );
 943                         debugSurfaces = qtrue;
 944                 }
 945                 else if ( !strcmp( argv[ i ], "-debuginset" ) ) {
 946                         Sys_Printf( "Debug surface triangle insetting enabled\n" );
 947                         debugInset = qtrue;
 948                 }
 949                 else if ( !strcmp( argv[ i ], "-debugportals" ) ) {
 950                         Sys_Printf( "Debug portal surfaces enabled\n" );
 951                         debugPortals = qtrue;
 952                 }
 953                 else if ( !strcmp( argv[ i ], "-sRGBtex" ) ) {
 954                         texturesRGB = qtrue;
 955                         Sys_Printf( "Textures are in sRGB\n" );
 956                 }
 957                 else if ( !strcmp( argv[ i ], "-nosRGBtex" ) ) {
 958                         texturesRGB = qfalse;
 959                         Sys_Printf( "Textures are linear\n" );
 960                 }
 961                 else if ( !strcmp( argv[ i ], "-sRGBcolor" ) ) {
 962                         colorsRGB = qtrue;
 963                         Sys_Printf( "Colors are in sRGB\n" );
 964                 }
 965                 else if ( !strcmp( argv[ i ], "-nosRGBcolor" ) ) {
 966                         colorsRGB = qfalse;
 967                         Sys_Printf( "Colors are linear\n" );
 968                 }
 969                 else if ( !strcmp( argv[ i ], "-nosRGB" ) ) {
 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                         Sys_Printf( "Alternate BSP splitting (by 27) enabled\n" );
 977                         bspAlternateSplitWeights = qtrue;
 978                 }
 979                 else if ( !strcmp( argv[ i ], "-deep" ) ) {
 980                         Sys_Printf( "Deep BSP tree generation enabled\n" );
 981                         deepBSP = qtrue;
 982                 }
 983                 else if ( !strcmp( argv[ i ], "-maxarea" ) ) {
 984                         Sys_Printf( "Max Area face surface generation enabled\n" );
 985                         maxAreaFaceSurface = qtrue;
 986                 }
 987                 else if ( !strcmp( argv[ i ], "-bspfile" ) )
 988                 {
 989                         strcpy( BSPFilePath, argv[i + 1] );
 990                         i++;
 991                         Sys_Printf( "Use %s as bsp file\n", BSPFilePath );
 992                 }
 993                 else if ( !strcmp( argv[ i ], "-linfile" ) )
 994                 {
 995                         strcpy( lineFilePath, argv[i + 1] );
 996                         i++;
 997                         Sys_Printf( "Use %s as line file\n", lineFilePath );
 998                 }
 999                 else if ( !strcmp( argv[ i ], "-prtfile" ) )
1000                 {
1001                         strcpy( portalFilePath, argv[i + 1] );
1002                         i++;
1003                         Sys_Printf( "Use %s as portal file\n", portalFilePath );
1004                 }
1005                 else if ( !strcmp( argv[ i ], "-srffile" ) )
1006                 {
1007                         strcpy( surfaceFilePath, argv[i + 1] );
1008                         i++;
1009                         Sys_Printf( "Use %s as surface file\n", surfaceFilePath );
1010                 }
1011                 else if ( !strcmp( argv[ i ], "-bsp" ) ) {
1012                         Sys_Printf( "-bsp argument unnecessary\n" );
1013                 }
1014                 else{
1015                         Sys_FPrintf( SYS_WRN, "WARNING: Unknown option \"%s\"\n", argv[ i ] );
1016                 }
1017         }
1018
1019         /* fixme: print more useful usage here */
1020         if ( i != ( argc - 1 ) ) {
1021                 Error( "usage: q3map [options] mapfile" );
1022         }
1023
1024         /* copy source name */
1025         strcpy( source, ExpandArg( argv[ i ] ) );
1026         StripExtension( source );
1027
1028         /* ydnar: set default sample size */
1029         SetDefaultSampleSize( sampleSize );
1030
1031         if (!BSPFilePath[0]) {
1032                 sprintf( BSPFilePath, "%s.bsp", source );
1033         }
1034         if (!lineFilePath[0]) {
1035                 sprintf( lineFilePath, "%s.lin", source );
1036         }
1037         if (!portalFilePath[0]) {
1038                 sprintf( portalFilePath, "%s.prt", source );
1039         }
1040         if (!surfaceFilePath[0]) {
1041                 sprintf( surfaceFilePath, "%s.srf", source );
1042         }
1043
1044         /* delete portal, line and surface files */
1045         remove( portalFilePath );
1046         remove( lineFilePath );
1047         //%     remove( surfaceFilePath )       /* ydnar */
1048
1049         /* expand mapname */
1050         strcpy( name, ExpandArg( argv[ i ] ) );
1051         if ( strcmp( name + strlen( name ) - 4, ".reg" ) ) {
1052                 /* if we are doing a full map, delete the last saved region map */
1053                 sprintf( path, "%s.reg", source );
1054                 remove( path );
1055                 DefaultExtension( name, ".map" );   /* might be .reg */
1056         }
1057
1058         /* if onlyents, just grab the entites and resave */
1059         if ( onlyents ) {
1060                 OnlyEnts( BSPFilePath );
1061                 return 0;
1062         }
1063
1064         /* load shaders */
1065         LoadShaderInfo();
1066
1067         /* load original file from temp spot in case it was renamed by the editor on the way in */
1068         if ( strlen( tempSource ) > 0 ) {
1069                 LoadMapFile( tempSource, qfalse, qfalse );
1070         }
1071         else{
1072                 LoadMapFile( name, qfalse, qfalse );
1073         }
1074
1075         /* div0: inject command line parameters */
1076         InjectCommandLine( argv, 1, argc - 1 );
1077
1078         /* ydnar: decal setup */
1079         ProcessDecals();
1080
1081         /* ydnar: cloned brush model entities */
1082         SetCloneModelNumbers();
1083
1084         /* process world and submodels */
1085         ProcessModels( portalFilePath, lineFilePath );
1086
1087         /* set light styles from targetted light entities */
1088         SetLightStyles();
1089
1090         /* process in game advertisements */
1091         ProcessAdvertisements();
1092
1093         /* finish and write bsp */
1094         EndBSPFile( qtrue, BSPFilePath, surfaceFilePath );
1095
1096         /* remove temp map source file if appropriate */
1097         if ( strlen( tempSource ) > 0 ) {
1098                 remove( tempSource );
1099         }
1100
1101         /* return to sender */
1102         return 0;
1103 }