tools/quake3/q3map2/main.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 MAIN_C
  33
  34
  35
  36 /* dependencies */
  37 #include "q3map2.h"
  38
  39
  40
  41 /*
  42 Random()
  43 returns a pseudorandom number between 0 and 1
  44 */
  45
  46 vec_t Random( void )
  47 {
  48         return (vec_t) rand() / RAND_MAX;
  49 }
  50
  51
  52
  53 /*
  54 ExitQ3Map()
  55 cleanup routine
  56 */
  57
  58 static void ExitQ3Map( void )
  59 {
  60         BSPFilesCleanup();
  61         if( mapDrawSurfs != NULL )
  62                 free( mapDrawSurfs );
  63 }
  64
  65
  66
  67 /* minimap stuff */
  68
  69 /* borrowed from light.c */
  70 void WriteTGA24( char *filename, byte *data, int width, int height, qboolean flip );
  71 typedef struct minimap_s
  72 {
  73         bspModel_t *model;
  74         int width;
  75         int height;
  76         int samples;
  77         float sharpen;
  78         float sharpen_boxmult;
  79         float sharpen_centermult;
  80         float *data1f;
  81         float *sharpendata1f;
  82         vec3_t mins, size;
  83 }
  84 minimap_t;
  85 static minimap_t minimap;
  86
  87 qboolean BrushIntersectionWithLine(bspBrush_t *brush, vec3_t start, vec3_t dir, float *t_in, float *t_out)
  88 {
  89         int i;
  90         qboolean in = qfalse, out = qfalse;
  91         bspBrushSide_t *sides = &bspBrushSides[brush->firstSide];
  92
  93         for(i = 0; i < brush->numSides; ++i)
  94         {
  95                 bspPlane_t *p = &bspPlanes[sides[i].planeNum];
  96                 float sn = DotProduct(start, p->normal);
  97                 float dn = DotProduct(dir, p->normal);
  98                 if(dn == 0)
  99                 {
 100                         if(sn > p->dist)
 101                                 return qfalse; // outside!
 102                 }
 103                 else
 104                 {
 105                         float t = (p->dist - sn) / dn;
 106                         if(dn < 0)
 107                         {
 108                                 if(!in || t > *t_in)
 109                                 {
 110                                         *t_in = t;
 111                                         in = qtrue;
 112                                         // as t_in can only increase, and t_out can only decrease, early out
 113                                         if(out && *t_in >= *t_out)
 114                                                 return qfalse;
 115                                 }
 116                         }
 117                         else
 118                         {
 119                                 if(!out || t < *t_out)
 120                                 {
 121                                         *t_out = t;
 122                                         out = qtrue;
 123                                         // as t_in can only increase, and t_out can only decrease, early out
 124                                         if(in && *t_in >= *t_out)
 125                                                 return qfalse;
 126                                 }
 127                         }
 128                 }
 129         }
 130         return in && out;
 131 }
 132
 133 static float MiniMapSample(float x, float y)
 134 {
 135         vec3_t org, dir;
 136         int i, bi;
 137         float t0, t1;
 138         float samp;
 139         bspBrush_t *b;
 140         int cnt;
 141
 142         org[0] = x;
 143         org[1] = y;
 144         org[2] = 0;
 145         dir[0] = 0;
 146         dir[1] = 0;
 147         dir[2] = 1;
 148
 149         cnt = 0;
 150         samp = 0;
 151         for(i = 0; i < minimap.model->numBSPBrushes; ++i)
 152         {
 153                 bi = minimap.model->firstBSPBrush + i;
 154                 if(opaqueBrushes[bi >> 3] & (1 << (bi & 7)))
 155                 {
 156                         b = &bspBrushes[bi];
 157
 158                         // sort out mins/maxs of the brush
 159                         bspBrushSide_t *s = &bspBrushSides[b->firstSide];
 160                         if(x < -bspPlanes[s[0].planeNum].dist)
 161                                 continue;
 162                         if(x > +bspPlanes[s[1].planeNum].dist)
 163                                 continue;
 164                         if(y < -bspPlanes[s[2].planeNum].dist)
 165                                 continue;
 166                         if(y > +bspPlanes[s[3].planeNum].dist)
 167                                 continue;
 168
 169                         if(BrushIntersectionWithLine(b, org, dir, &t0, &t1))
 170                         {
 171                                 samp += t1 - t0;
 172                                 ++cnt;
 173                         }
 174                 }
 175         }
 176
 177         return samp;
 178 }
 179
 180 static void GenerateMiniMapRunner(int y)
 181 {
 182         int x, i;
 183         float *p = &minimap.data1f[y * minimap.width];
 184         float ymin = minimap.mins[1] + minimap.size[1] * (y / (float) minimap.height);
 185         float dx   =                   minimap.size[0]      / (float) minimap.width;
 186         float dy   =                   minimap.size[1]      / (float) minimap.height;
 187
 188         for(x = 0; x < minimap.width; ++x)
 189         {
 190                 float xmin = minimap.mins[0] + minimap.size[0] * (x / (float) minimap.width);
 191                 float val = 0;
 192
 193                 for(i = 0; i < minimap.samples; ++i)
 194                 {
 195                         float thisval = MiniMapSample(
 196                                 xmin + Random() * dx,
 197                                 ymin + Random() * dy
 198                         );
 199                         val += thisval;
 200                 }
 201                 val /= minimap.samples * minimap.size[2];
 202                 *p++ = val;
 203         }
 204 }
 205
 206 static void GenerateMiniMapRunnerNoSamples(int y)
 207 {
 208         int x;
 209         float *p = &minimap.data1f[y * minimap.width];
 210         float ymin = minimap.mins[1] + minimap.size[1] * (y / (float) minimap.height);
 211
 212         for(x = 0; x < minimap.width; ++x)
 213         {
 214                 float xmin = minimap.mins[0] + minimap.size[0] * (x / (float) minimap.width);
 215                 *p++ = MiniMapSample(xmin, ymin) / minimap.size[2];
 216         }
 217 }
 218
 219 static void SharpenMiniMapRunner(int y)
 220 {
 221         int x;
 222         qboolean up = (y > 0);
 223         qboolean down = (y < minimap.height - 1);
 224         float *p = &minimap.data1f[y * minimap.width];
 225         float *q = &minimap.sharpendata1f[y * minimap.width];
 226
 227         for(x = 0; x < minimap.width; ++x)
 228         {
 229                 qboolean left = (x > 0);
 230                 qboolean right = (x < minimap.width - 1);
 231                 float val = p[0] * minimap.sharpen_centermult;
 232
 233                 if(left && up)
 234                         val += p[-1 -minimap.width] * minimap.sharpen_boxmult;
 235                 if(left && down)
 236                         val += p[-1 +minimap.width] * minimap.sharpen_boxmult;
 237                 if(right && up)
 238                         val += p[+1 -minimap.width] * minimap.sharpen_boxmult;
 239                 if(right && down)
 240                         val += p[+1 +minimap.width] * minimap.sharpen_boxmult;
 241
 242                 if(left)
 243                         val += p[-1] * minimap.sharpen_boxmult;
 244                 if(right)
 245                         val += p[+1] * minimap.sharpen_boxmult;
 246                 if(up)
 247                         val += p[-minimap.width] * minimap.sharpen_boxmult;
 248                 if(down)
 249                         val += p[+minimap.width] * minimap.sharpen_boxmult;
 250
 251                 ++p;
 252                 *q++ = val;
 253         }
 254 }
 255
 256 void MiniMapMakeMinsMaxs()
 257 {
 258         vec3_t mins, maxs, extend;
 259         VectorCopy(minimap.model->mins, mins);
 260         VectorCopy(minimap.model->maxs, maxs);
 261         VectorSubtract(maxs, mins, extend);
 262
 263         if(extend[1] > extend[0])
 264         {
 265                 mins[0] -= (extend[1] - extend[0]) * 0.5;
 266                 maxs[0] += (extend[1] - extend[0]) * 0.5;
 267         }
 268         else
 269         {
 270                 mins[1] -= (extend[0] - extend[1]) * 0.5;
 271                 maxs[1] += (extend[0] - extend[1]) * 0.5;
 272         }
 273
 274         VectorSubtract(maxs, mins, extend);
 275         VectorScale(extend, 1.0 / 64.0, extend);
 276
 277         VectorSubtract(mins, extend, mins);
 278         VectorAdd(maxs, extend, maxs);
 279
 280         VectorCopy(mins, minimap.mins);
 281         VectorSubtract(maxs, mins, minimap.size);
 282
 283         // line compatible to nexuiz mapinfo
 284         Sys_Printf("size %f %f %f %f %f %f\n", mins[0], mins[1], mins[2], maxs[0], maxs[1], maxs[2]);
 285 }
 286
 287 int MiniMapBSPMain( int argc, char **argv )
 288 {
 289         char minimapFilename[1024];
 290         byte *data3b, *p;
 291         float *q;
 292         int x, y;
 293
 294         /* arg checking */
 295         if( argc < 2 )
 296         {
 297                 Sys_Printf( "Usage: q3map [-v] -minimap [-size n] [-sharpen n] [-samples f] [-o filename.tga] <mapname>\n" );
 298                 return 0;
 299         }
 300
 301         strcpy( source, ExpandArg( argv[ argc - 1 ] ) );
 302         StripExtension( source );
 303         DefaultExtension( source, ".bsp" );
 304
 305         strcpy( minimapFilename, ExpandArg( argv[ argc - 1 ] ) );
 306         StripExtension( minimapFilename );
 307         DefaultExtension( minimapFilename, ".tga" );
 308
 309         minimap.width = minimap.height = 512;
 310         minimap.samples = 1;
 311         minimap.sharpen = 1;
 312         if(minimap.sharpen)
 313         {
 314                 minimap.sharpen_centermult = 8 * minimap.sharpen + 1;
 315                 minimap.sharpen_boxmult    =    -minimap.sharpen;
 316         }
 317
 318         minimap.data1f = safe_malloc(minimap.width * minimap.height * sizeof(*minimap.data1f));
 319         data3b = safe_malloc(minimap.width * minimap.height * 3);
 320         if(minimap.sharpen >= 0)
 321                 minimap.sharpendata1f = safe_malloc(minimap.width * minimap.height * sizeof(*minimap.data1f));
 322
 323         /* load the bsp */
 324         Sys_Printf( "Loading %s\n", source );
 325         LoadBSPFile( source );
 326
 327         minimap.model = &bspModels[0];
 328         MiniMapMakeMinsMaxs();
 329
 330         SetupBrushes();
 331
 332         if(minimap.samples <= 1)
 333         {
 334                 Sys_Printf( "\n--- GenerateMiniMap (%d) ---\n", minimap.height );
 335                 RunThreadsOnIndividual(minimap.height, qtrue, GenerateMiniMapRunnerNoSamples);
 336         }
 337         else
 338         {
 339                 Sys_Printf( "\n--- GenerateMiniMap (%d) ---\n", minimap.height );
 340                 RunThreadsOnIndividual(minimap.height, qtrue, GenerateMiniMapRunner);
 341         }
 342
 343         if(minimap.sharpendata1f)
 344         {
 345                 Sys_Printf( "\n--- SharpenMiniMap (%d) ---\n", minimap.height );
 346                 RunThreadsOnIndividual(minimap.height, qtrue, SharpenMiniMapRunner);
 347                 q = minimap.sharpendata1f;
 348         }
 349         else
 350         {
 351                 q = minimap.data1f;
 352         }
 353
 354         Sys_Printf( "\nConverting...");
 355         p = data3b;
 356         for(y = 0; y < minimap.height; ++y)
 357                 for(x = 0; x < minimap.width; ++x)
 358                 {
 359                         float v = *q++;
 360                         byte b;
 361                         if(v < 0) v = 0;
 362                         if(v > 255.0/256.0) v = 255.0/256.0;
 363                         b = v * 256;
 364                         *p++ = b;
 365                         *p++ = b;
 366                         *p++ = b;
 367                 }
 368
 369         Sys_Printf( " writing to %s...", minimapFilename );
 370         WriteTGA24(minimapFilename, data3b, minimap.width, minimap.height, qfalse);
 371
 372         Sys_Printf( " done.\n" );
 373
 374         /* return to sender */
 375         return 0;
 376 }
 377
 378
 379
 380
 381
 382 /*
 383 MD4BlockChecksum()
 384 calculates an md4 checksum for a block of data
 385 */
 386
 387 static int MD4BlockChecksum( void *buffer, int length )
 388 {
 389         return Com_BlockChecksum(buffer, length);
 390 }
 391
 392 /*
 393 FixAAS()
 394 resets an aas checksum to match the given BSP
 395 */
 396
 397 int FixAAS( int argc, char **argv )
 398 {
 399         int                     length, checksum;
 400         void            *buffer;
 401         FILE            *file;
 402         char            aas[ 1024 ], **ext;
 403         char            *exts[] =
 404                                 {
 405                                         ".aas",
 406                                         "_b0.aas",
 407                                         "_b1.aas",
 408                                         NULL
 409                                 };
 410
 411
 412         /* arg checking */
 413         if( argc < 2 )
 414         {
 415                 Sys_Printf( "Usage: q3map -fixaas [-v] <mapname>\n" );
 416                 return 0;
 417         }
 418
 419         /* do some path mangling */
 420         strcpy( source, ExpandArg( argv[ argc - 1 ] ) );
 421         StripExtension( source );
 422         DefaultExtension( source, ".bsp" );
 423
 424         /* note it */
 425         Sys_Printf( "--- FixAAS ---\n" );
 426
 427         /* load the bsp */
 428         Sys_Printf( "Loading %s\n", source );
 429         length = LoadFile( source, &buffer );
 430
 431         /* create bsp checksum */
 432         Sys_Printf( "Creating checksum...\n" );
 433         checksum = LittleLong( MD4BlockChecksum( buffer, length ) );
 434
 435         /* write checksum to aas */
 436         ext = exts;
 437         while( *ext )
 438         {
 439                 /* mangle name */
 440                 strcpy( aas, source );
 441                 StripExtension( aas );
 442                 strcat( aas, *ext );
 443                 Sys_Printf( "Trying %s\n", aas );
 444                 ext++;
 445
 446                 /* fix it */
 447                 file = fopen( aas, "r+b" );
 448                 if( !file )
 449                         continue;
 450                 if( fwrite( &checksum, 4, 1, file ) != 1 )
 451                         Error( "Error writing checksum to %s", aas );
 452                 fclose( file );
 453         }
 454
 455         /* return to sender */
 456         return 0;
 457 }
 458
 459
 460
 461 /*
 462 AnalyzeBSP() - ydnar
 463 analyzes a Quake engine BSP file
 464 */
 465
 466 typedef struct abspHeader_s
 467 {
 468         char                    ident[ 4 ];
 469         int                             version;
 470
 471         bspLump_t               lumps[ 1 ];     /* unknown size */
 472 }
 473 abspHeader_t;
 474
 475 typedef struct abspLumpTest_s
 476 {
 477         int                             radix, minCount;
 478         char                    *name;
 479 }
 480 abspLumpTest_t;
 481
 482 int AnalyzeBSP( int argc, char **argv )
 483 {
 484         abspHeader_t                    *header;
 485         int                                             size, i, version, offset, length, lumpInt, count;
 486         char                                    ident[ 5 ];
 487         void                                    *lump;
 488         float                                   lumpFloat;
 489         char                                    lumpString[ 1024 ], source[ 1024 ];
 490         qboolean                                lumpSwap = qfalse;
 491         abspLumpTest_t                  *lumpTest;
 492         static abspLumpTest_t   lumpTests[] =
 493                                                         {
 494                                                                 { sizeof( bspPlane_t ),                 6,              "IBSP LUMP_PLANES" },
 495                                                                 { sizeof( bspBrush_t ),                 1,              "IBSP LUMP_BRUSHES" },
 496                                                                 { 8,                                                    6,              "IBSP LUMP_BRUSHSIDES" },
 497                                                                 { sizeof( bspBrushSide_t ),             6,              "RBSP LUMP_BRUSHSIDES" },
 498                                                                 { sizeof( bspModel_t ),                 1,              "IBSP LUMP_MODELS" },
 499                                                                 { sizeof( bspNode_t ),                  2,              "IBSP LUMP_NODES" },
 500                                                                 { sizeof( bspLeaf_t ),                  1,              "IBSP LUMP_LEAFS" },
 501                                                                 { 104,                                                  3,              "IBSP LUMP_DRAWSURFS" },
 502                                                                 { 44,                                                   3,              "IBSP LUMP_DRAWVERTS" },
 503                                                                 { 4,                                                    6,              "IBSP LUMP_DRAWINDEXES" },
 504                                                                 { 128 * 128 * 3,                                1,              "IBSP LUMP_LIGHTMAPS" },
 505                                                                 { 256 * 256 * 3,                                1,              "IBSP LUMP_LIGHTMAPS (256 x 256)" },
 506                                                                 { 512 * 512 * 3,                                1,              "IBSP LUMP_LIGHTMAPS (512 x 512)" },
 507                                                                 { 0, 0, NULL }
 508                                                         };
 509
 510
 511         /* arg checking */
 512         if( argc < 1 )
 513         {
 514                 Sys_Printf( "Usage: q3map -analyze [-lumpswap] [-v] <mapname>\n" );
 515                 return 0;
 516         }
 517
 518         /* process arguments */
 519         for( i = 1; i < (argc - 1); i++ )
 520         {
 521                 /* -format map|ase|... */
 522                 if( !strcmp( argv[ i ],  "-lumpswap" ) )
 523                 {
 524                         Sys_Printf( "Swapped lump structs enabled\n" );
 525                         lumpSwap = qtrue;
 526                 }
 527         }
 528
 529         /* clean up map name */
 530         strcpy( source, ExpandArg( argv[ i ] ) );
 531         Sys_Printf( "Loading %s\n", source );
 532
 533         /* load the file */
 534         size = LoadFile( source, (void**) &header );
 535         if( size == 0 || header == NULL )
 536         {
 537                 Sys_Printf( "Unable to load %s.\n", source );
 538                 return -1;
 539         }
 540
 541         /* analyze ident/version */
 542         memcpy( ident, header->ident, 4 );
 543         ident[ 4 ] = '\0';
 544         version = LittleLong( header->version );
 545
 546         Sys_Printf( "Identity:      %s\n", ident );
 547         Sys_Printf( "Version:       %d\n", version );
 548         Sys_Printf( "---------------------------------------\n" );
 549
 550         /* analyze each lump */
 551         for( i = 0; i < 100; i++ )
 552         {
 553                 /* call of duty swapped lump pairs */
 554                 if( lumpSwap )
 555                 {
 556                         offset = LittleLong( header->lumps[ i ].length );
 557                         length = LittleLong( header->lumps[ i ].offset );
 558                 }
 559
 560                 /* standard lump pairs */
 561                 else
 562                 {
 563                         offset = LittleLong( header->lumps[ i ].offset );
 564                         length = LittleLong( header->lumps[ i ].length );
 565                 }
 566
 567                 /* extract data */
 568                 lump = (byte*) header + offset;
 569                 lumpInt = LittleLong( (int) *((int*) lump) );
 570                 lumpFloat = LittleFloat( (float) *((float*) lump) );
 571                 memcpy( lumpString, (char*) lump, (length < 1024 ? length : 1024) );
 572                 lumpString[ 1024 ] = '\0';
 573
 574                 /* print basic lump info */
 575                 Sys_Printf( "Lump:          %d\n", i );
 576                 Sys_Printf( "Offset:        %d bytes\n", offset );
 577                 Sys_Printf( "Length:        %d bytes\n", length );
 578
 579                 /* only operate on valid lumps */
 580                 if( length > 0 )
 581                 {
 582                         /* print data in 4 formats */
 583                         Sys_Printf( "As hex:        %08X\n", lumpInt );
 584                         Sys_Printf( "As int:        %d\n", lumpInt );
 585                         Sys_Printf( "As float:      %f\n", lumpFloat );
 586                         Sys_Printf( "As string:     %s\n", lumpString );
 587
 588                         /* guess lump type */
 589                         if( lumpString[ 0 ] == '{' && lumpString[ 2 ] == '"' )
 590                                 Sys_Printf( "Type guess:    IBSP LUMP_ENTITIES\n" );
 591                         else if( strstr( lumpString, "textures/" ) )
 592                                 Sys_Printf( "Type guess:    IBSP LUMP_SHADERS\n" );
 593                         else
 594                         {
 595                                 /* guess based on size/count */
 596                                 for( lumpTest = lumpTests; lumpTest->radix > 0; lumpTest++ )
 597                                 {
 598                                         if( (length % lumpTest->radix) != 0 )
 599                                                 continue;
 600                                         count = length / lumpTest->radix;
 601                                         if( count < lumpTest->minCount )
 602                                                 continue;
 603                                         Sys_Printf( "Type guess:    %s (%d x %d)\n", lumpTest->name, count, lumpTest->radix );
 604                                 }
 605                         }
 606                 }
 607
 608                 Sys_Printf( "---------------------------------------\n" );
 609
 610                 /* end of file */
 611                 if( offset + length >= size )
 612                         break;
 613         }
 614
 615         /* last stats */
 616         Sys_Printf( "Lump count:    %d\n", i + 1 );
 617         Sys_Printf( "File size:     %d bytes\n", size );
 618
 619         /* return to caller */
 620         return 0;
 621 }
 622
 623
 624
 625 /*
 626 BSPInfo()
 627 emits statistics about the bsp file
 628 */
 629
 630 int BSPInfo( int count, char **fileNames )
 631 {
 632         int                     i;
 633         char            source[ 1024 ], ext[ 64 ];
 634         int                     size;
 635         FILE            *f;
 636
 637
 638         /* dummy check */
 639         if( count < 1 )
 640         {
 641                 Sys_Printf( "No files to dump info for.\n");
 642                 return -1;
 643         }
 644
 645         /* enable info mode */
 646         infoMode = qtrue;
 647
 648         /* walk file list */
 649         for( i = 0; i < count; i++ )
 650         {
 651                 Sys_Printf( "---------------------------------\n" );
 652
 653                 /* mangle filename and get size */
 654                 strcpy( source, fileNames[ i ] );
 655                 ExtractFileExtension( source, ext );
 656                 if( !Q_stricmp( ext, "map" ) )
 657                         StripExtension( source );
 658                 DefaultExtension( source, ".bsp" );
 659                 f = fopen( source, "rb" );
 660                 if( f )
 661                 {
 662                         size = Q_filelength (f);
 663                         fclose( f );
 664                 }
 665                 else
 666                         size = 0;
 667
 668                 /* load the bsp file and print lump sizes */
 669                 Sys_Printf( "%s\n", source );
 670                 LoadBSPFile( source );
 671                 PrintBSPFileSizes();
 672
 673                 /* print sizes */
 674                 Sys_Printf( "\n" );
 675                 Sys_Printf( "          total         %9d\n", size );
 676                 Sys_Printf( "                        %9d KB\n", size / 1024 );
 677                 Sys_Printf( "                        %9d MB\n", size / (1024 * 1024) );
 678
 679                 Sys_Printf( "---------------------------------\n" );
 680         }
 681
 682         /* return count */
 683         return i;
 684 }
 685
 686
 687 static void ExtrapolateTexcoords(const float *axyz, const float *ast, const float *bxyz, const float *bst, const float *cxyz, const float *cst, const float *axyz_new, float *ast_out, const float *bxyz_new, float *bst_out, const float *cxyz_new, float *cst_out)
 688 {
 689         vec4_t scoeffs, tcoeffs;
 690         float md;
 691         m4x4_t solvematrix;
 692
 693         vec3_t norm;
 694         vec3_t dab, dac;
 695         VectorSubtract(bxyz, axyz, dab);
 696         VectorSubtract(cxyz, axyz, dac);
 697         CrossProduct(dab, dac, norm);
 698
 699         // assume:
 700         //   s = f(x, y, z)
 701         //   s(v + norm) = s(v) when n ortho xyz
 702
 703         // s(v) = DotProduct(v, scoeffs) + scoeffs[3]
 704
 705         // solve:
 706         //   scoeffs * (axyz, 1) == ast[0]
 707         //   scoeffs * (bxyz, 1) == bst[0]
 708         //   scoeffs * (cxyz, 1) == cst[0]
 709         //   scoeffs * (norm, 0) == 0
 710         // scoeffs * [axyz, 1 | bxyz, 1 | cxyz, 1 | norm, 0] = [ast[0], bst[0], cst[0], 0]
 711         solvematrix[0] = axyz[0];
 712         solvematrix[4] = axyz[1];
 713         solvematrix[8] = axyz[2];
 714         solvematrix[12] = 1;
 715         solvematrix[1] = bxyz[0];
 716         solvematrix[5] = bxyz[1];
 717         solvematrix[9] = bxyz[2];
 718         solvematrix[13] = 1;
 719         solvematrix[2] = cxyz[0];
 720         solvematrix[6] = cxyz[1];
 721         solvematrix[10] = cxyz[2];
 722         solvematrix[14] = 1;
 723         solvematrix[3] = norm[0];
 724         solvematrix[7] = norm[1];
 725         solvematrix[11] = norm[2];
 726         solvematrix[15] = 0;
 727
 728         md = m4_det(solvematrix);
 729         if(md*md < 1e-10)
 730         {
 731                 Sys_Printf("Cannot invert some matrix, some texcoords aren't extrapolated!");
 732                 return;
 733         }
 734
 735         m4x4_invert(solvematrix);
 736
 737         scoeffs[0] = ast[0];
 738         scoeffs[1] = bst[0];
 739         scoeffs[2] = cst[0];
 740         scoeffs[3] = 0;
 741         m4x4_transform_vec4(solvematrix, scoeffs);
 742         tcoeffs[0] = ast[1];
 743         tcoeffs[1] = bst[1];
 744         tcoeffs[2] = cst[1];
 745         tcoeffs[3] = 0;
 746         m4x4_transform_vec4(solvematrix, tcoeffs);
 747
 748         ast_out[0] = scoeffs[0] * axyz_new[0] + scoeffs[1] * axyz_new[1] + scoeffs[2] * axyz_new[2] + scoeffs[3];
 749         ast_out[1] = tcoeffs[0] * axyz_new[0] + tcoeffs[1] * axyz_new[1] + tcoeffs[2] * axyz_new[2] + tcoeffs[3];
 750         bst_out[0] = scoeffs[0] * bxyz_new[0] + scoeffs[1] * bxyz_new[1] + scoeffs[2] * bxyz_new[2] + scoeffs[3];
 751         bst_out[1] = tcoeffs[0] * bxyz_new[0] + tcoeffs[1] * bxyz_new[1] + tcoeffs[2] * bxyz_new[2] + tcoeffs[3];
 752         cst_out[0] = scoeffs[0] * cxyz_new[0] + scoeffs[1] * cxyz_new[1] + scoeffs[2] * cxyz_new[2] + scoeffs[3];
 753         cst_out[1] = tcoeffs[0] * cxyz_new[0] + tcoeffs[1] * cxyz_new[1] + tcoeffs[2] * cxyz_new[2] + tcoeffs[3];
 754 }
 755
 756 /*
 757 ScaleBSPMain()
 758 amaze and confuse your enemies with wierd scaled maps!
 759 */
 760
 761 int ScaleBSPMain( int argc, char **argv )
 762 {
 763         int                     i, j;
 764         float           f, a;
 765         vec3_t scale;
 766         vec3_t          vec;
 767         char            str[ 1024 ];
 768         int uniform, axis;
 769         qboolean texscale;
 770         float *old_xyzst = NULL;
 771
 772
 773         /* arg checking */
 774         if( argc < 3 )
 775         {
 776                 Sys_Printf( "Usage: q3map [-v] -scale [-tex] <value> <mapname>\n" );
 777                 return 0;
 778         }
 779
 780         /* get scale */
 781         scale[2] = scale[1] = scale[0] = atof( argv[ argc - 2 ] );
 782         if(argc >= 4)
 783                 scale[1] = scale[0] = atof( argv[ argc - 3 ] );
 784         if(argc >= 5)
 785                 scale[0] = atof( argv[ argc - 4 ] );
 786
 787         texscale = !strcmp(argv[1], "-tex");
 788
 789         uniform = ((scale[0] == scale[1]) && (scale[1] == scale[2]));
 790
 791         if( scale[0] == 0.0f || scale[1] == 0.0f || scale[2] == 0.0f )
 792         {
 793                 Sys_Printf( "Usage: q3map [-v] -scale [-tex] <value> <mapname>\n" );
 794                 Sys_Printf( "Non-zero scale value required.\n" );
 795                 return 0;
 796         }
 797
 798         /* do some path mangling */
 799         strcpy( source, ExpandArg( argv[ argc - 1 ] ) );
 800         StripExtension( source );
 801         DefaultExtension( source, ".bsp" );
 802
 803         /* load the bsp */
 804         Sys_Printf( "Loading %s\n", source );
 805         LoadBSPFile( source );
 806         ParseEntities();
 807
 808         /* note it */
 809         Sys_Printf( "--- ScaleBSP ---\n" );
 810         Sys_FPrintf( SYS_VRB, "%9d entities\n", numEntities );
 811
 812         /* scale entity keys */
 813         for( i = 0; i < numBSPEntities && i < numEntities; i++ )
 814         {
 815                 /* scale origin */
 816                 GetVectorForKey( &entities[ i ], "origin", vec );
 817                 if( (vec[ 0 ] || vec[ 1 ] || vec[ 2 ]) )
 818                 {
 819                         vec[0] *= scale[0];
 820                         vec[1] *= scale[1];
 821                         vec[2] *= scale[2];
 822                         sprintf( str, "%f %f %f", vec[ 0 ], vec[ 1 ], vec[ 2 ] );
 823                         SetKeyValue( &entities[ i ], "origin", str );
 824                 }
 825
 826                 a = FloatForKey( &entities[ i ], "angle" );
 827                 if(a == -1 || a == -2) // z scale
 828                         axis = 2;
 829                 else if(fabs(sin(DEG2RAD(a))) < 0.707)
 830                         axis = 0;
 831                 else
 832                         axis = 1;
 833
 834                 /* scale door lip */
 835                 f = FloatForKey( &entities[ i ], "lip" );
 836                 if( f )
 837                 {
 838                         f *= scale[axis];
 839                         sprintf( str, "%f", f );
 840                         SetKeyValue( &entities[ i ], "lip", str );
 841                 }
 842
 843                 /* scale plat height */
 844                 f = FloatForKey( &entities[ i ], "height" );
 845                 if( f )
 846                 {
 847                         f *= scale[2];
 848                         sprintf( str, "%f", f );
 849                         SetKeyValue( &entities[ i ], "height", str );
 850                 }
 851
 852                 // TODO maybe allow a definition file for entities to specify which values are scaled how?
 853         }
 854
 855         /* scale models */
 856         for( i = 0; i < numBSPModels; i++ )
 857         {
 858                 bspModels[ i ].mins[0] *= scale[0];
 859                 bspModels[ i ].mins[1] *= scale[1];
 860                 bspModels[ i ].mins[2] *= scale[2];
 861                 bspModels[ i ].maxs[0] *= scale[0];
 862                 bspModels[ i ].maxs[1] *= scale[1];
 863                 bspModels[ i ].maxs[2] *= scale[2];
 864         }
 865
 866         /* scale nodes */
 867         for( i = 0; i < numBSPNodes; i++ )
 868         {
 869                 bspNodes[ i ].mins[0] *= scale[0];
 870                 bspNodes[ i ].mins[1] *= scale[1];
 871                 bspNodes[ i ].mins[2] *= scale[2];
 872                 bspNodes[ i ].maxs[0] *= scale[0];
 873                 bspNodes[ i ].maxs[1] *= scale[1];
 874                 bspNodes[ i ].maxs[2] *= scale[2];
 875         }
 876
 877         /* scale leafs */
 878         for( i = 0; i < numBSPLeafs; i++ )
 879         {
 880                 bspLeafs[ i ].mins[0] *= scale[0];
 881                 bspLeafs[ i ].mins[1] *= scale[1];
 882                 bspLeafs[ i ].mins[2] *= scale[2];
 883                 bspLeafs[ i ].maxs[0] *= scale[0];
 884                 bspLeafs[ i ].maxs[1] *= scale[1];
 885                 bspLeafs[ i ].maxs[2] *= scale[2];
 886         }
 887
 888         if(texscale)
 889         {
 890                 Sys_Printf("Using texture unlocking (and probably breaking texture alignment a lot)\n");
 891                 old_xyzst = safe_malloc(sizeof(*old_xyzst) * numBSPDrawVerts * 5);
 892                 for(i = 0; i < numBSPDrawVerts; i++)
 893                 {
 894                         old_xyzst[5*i+0] = bspDrawVerts[i].xyz[0];
 895                         old_xyzst[5*i+1] = bspDrawVerts[i].xyz[1];
 896                         old_xyzst[5*i+2] = bspDrawVerts[i].xyz[2];
 897                         old_xyzst[5*i+3] = bspDrawVerts[i].st[0];
 898                         old_xyzst[5*i+4] = bspDrawVerts[i].st[1];
 899                 }
 900         }
 901
 902         /* scale drawverts */
 903         for( i = 0; i < numBSPDrawVerts; i++ )
 904         {
 905                 bspDrawVerts[i].xyz[0] *= scale[0];
 906                 bspDrawVerts[i].xyz[1] *= scale[1];
 907                 bspDrawVerts[i].xyz[2] *= scale[2];
 908                 bspDrawVerts[i].normal[0] /= scale[0];
 909                 bspDrawVerts[i].normal[1] /= scale[1];
 910                 bspDrawVerts[i].normal[2] /= scale[2];
 911                 VectorNormalize(bspDrawVerts[i].normal, bspDrawVerts[i].normal);
 912         }
 913
 914         if(texscale)
 915         {
 916                 for(i = 0; i < numBSPDrawSurfaces; i++)
 917                 {
 918                         switch(bspDrawSurfaces[i].surfaceType)
 919                         {
 920                                 case SURFACE_FACE:
 921                                 case SURFACE_META:
 922                                         if(bspDrawSurfaces[i].numIndexes % 3)
 923                                                 Error("Not a triangulation!");
 924                                         for(j = bspDrawSurfaces[i].firstIndex; j < bspDrawSurfaces[i].firstIndex + bspDrawSurfaces[i].numIndexes; j += 3)
 925                                         {
 926                                                 int ia = bspDrawIndexes[j] + bspDrawSurfaces[i].firstVert, ib = bspDrawIndexes[j+1] + bspDrawSurfaces[i].firstVert, ic = bspDrawIndexes[j+2] + bspDrawSurfaces[i].firstVert;
 927                                                 bspDrawVert_t *a = &bspDrawVerts[ia], *b = &bspDrawVerts[ib], *c = &bspDrawVerts[ic];
 928                                                 float *oa = &old_xyzst[ia*5], *ob = &old_xyzst[ib*5], *oc = &old_xyzst[ic*5];
 929                                                 // extrapolate:
 930                                                 //   a->xyz -> oa
 931                                                 //   b->xyz -> ob
 932                                                 //   c->xyz -> oc
 933                                                 ExtrapolateTexcoords(
 934                                                         &oa[0], &oa[3],
 935                                                         &ob[0], &ob[3],
 936                                                         &oc[0], &oc[3],
 937                                                         a->xyz, a->st,
 938                                                         b->xyz, b->st,
 939                                                         c->xyz, c->st);
 940                                         }
 941                                         break;
 942                         }
 943                 }
 944         }
 945
 946         /* scale planes */
 947         if(uniform)
 948         {
 949                 for( i = 0; i < numBSPPlanes; i++ )
 950                 {
 951                         bspPlanes[ i ].dist *= scale[0];
 952                 }
 953         }
 954         else
 955         {
 956                 for( i = 0; i < numBSPPlanes; i++ )
 957                 {
 958                         bspPlanes[ i ].normal[0] /= scale[0];
 959                         bspPlanes[ i ].normal[1] /= scale[1];
 960                         bspPlanes[ i ].normal[2] /= scale[2];
 961                         f = 1/VectorLength(bspPlanes[i].normal);
 962                         VectorScale(bspPlanes[i].normal, f, bspPlanes[i].normal);
 963                         bspPlanes[ i ].dist *= f;
 964                 }
 965         }
 966
 967         /* scale gridsize */
 968         GetVectorForKey( &entities[ 0 ], "gridsize", vec );
 969         if( (vec[ 0 ] + vec[ 1 ] + vec[ 2 ]) == 0.0f )
 970                 VectorCopy( gridSize, vec );
 971         vec[0] *= scale[0];
 972         vec[1] *= scale[1];
 973         vec[2] *= scale[2];
 974         sprintf( str, "%f %f %f", vec[ 0 ], vec[ 1 ], vec[ 2 ] );
 975         SetKeyValue( &entities[ 0 ], "gridsize", str );
 976
 977         /* inject command line parameters */
 978         InjectCommandLine(argv, 0, argc - 1);
 979
 980         /* write the bsp */
 981         UnparseEntities();
 982         StripExtension( source );
 983         DefaultExtension( source, "_s.bsp" );
 984         Sys_Printf( "Writing %s\n", source );
 985         WriteBSPFile( source );
 986
 987         /* return to sender */
 988         return 0;
 989 }
 990
 991
 992
 993 /*
 994 ConvertBSPMain()
 995 main argument processing function for bsp conversion
 996 */
 997
 998 int ConvertBSPMain( int argc, char **argv )
 999 {
1000         int             i;
1001         int             (*convertFunc)( char * );
1002         game_t  *convertGame;
1003
1004
1005         /* set default */
1006         convertFunc = ConvertBSPToASE;
1007         convertGame = NULL;
1008
1009         /* arg checking */
1010         if( argc < 1 )
1011         {
1012                 Sys_Printf( "Usage: q3map -scale <value> [-v] <mapname>\n" );
1013                 return 0;
1014         }
1015
1016         /* process arguments */
1017         for( i = 1; i < (argc - 1); i++ )
1018         {
1019                 /* -format map|ase|... */
1020                 if( !strcmp( argv[ i ],  "-format" ) )
1021                 {
1022                         i++;
1023                         if( !Q_stricmp( argv[ i ], "ase" ) )
1024                                 convertFunc = ConvertBSPToASE;
1025                         else if( !Q_stricmp( argv[ i ], "map" ) )
1026                                 convertFunc = ConvertBSPToMap;
1027                         else
1028                         {
1029                                 convertGame = GetGame( argv[ i ] );
1030                                 if( convertGame == NULL )
1031                                         Sys_Printf( "Unknown conversion format \"%s\". Defaulting to ASE.\n", argv[ i ] );
1032                         }
1033                 }
1034                 else if( !strcmp( argv[ i ],  "-ne" ) )
1035                 {
1036                         normalEpsilon = atof( argv[ i + 1 ] );
1037                         i++;
1038                         Sys_Printf( "Normal epsilon set to %f\n", normalEpsilon );
1039                 }
1040                 else if( !strcmp( argv[ i ],  "-de" ) )
1041                 {
1042                         distanceEpsilon = atof( argv[ i + 1 ] );
1043                         i++;
1044                         Sys_Printf( "Distance epsilon set to %f\n", distanceEpsilon );
1045                 }
1046                 else if( !strcmp( argv[ i ],  "-shadersasbitmap" ) )
1047                         shadersAsBitmap = qtrue;
1048         }
1049
1050         /* clean up map name */
1051         strcpy( source, ExpandArg( argv[ i ] ) );
1052         StripExtension( source );
1053         DefaultExtension( source, ".bsp" );
1054
1055         LoadShaderInfo();
1056
1057         Sys_Printf( "Loading %s\n", source );
1058
1059         /* ydnar: load surface file */
1060         //%     LoadSurfaceExtraFile( source );
1061
1062         LoadBSPFile( source );
1063
1064         /* parse bsp entities */
1065         ParseEntities();
1066
1067         /* bsp format convert? */
1068         if( convertGame != NULL )
1069         {
1070                 /* set global game */
1071                 game = convertGame;
1072
1073                 /* write bsp */
1074                 StripExtension( source );
1075                 DefaultExtension( source, "_c.bsp" );
1076                 Sys_Printf( "Writing %s\n", source );
1077                 WriteBSPFile( source );
1078
1079                 /* return to sender */
1080                 return 0;
1081         }
1082
1083         /* normal convert */
1084         return convertFunc( source );
1085 }
1086
1087
1088
1089 /*
1090 main()
1091 q3map mojo...
1092 */
1093
1094 int main( int argc, char **argv )
1095 {
1096         int             i, r;
1097         double  start, end;
1098
1099
1100         /* we want consistent 'randomness' */
1101         srand( 0 );
1102
1103         /* start timer */
1104         start = I_FloatTime();
1105
1106         /* this was changed to emit version number over the network */
1107         printf( Q3MAP_VERSION "\n" );
1108
1109         /* set exit call */
1110         atexit( ExitQ3Map );
1111
1112         /* read general options first */
1113         for( i = 1; i < argc; i++ )
1114         {
1115                 /* -connect */
1116                 if( !strcmp( argv[ i ], "-connect" ) )
1117                 {
1118                         argv[ i ] = NULL;
1119                         i++;
1120                         Broadcast_Setup( argv[ i ] );
1121                         argv[ i ] = NULL;
1122                 }
1123
1124                 /* verbose */
1125                 else if( !strcmp( argv[ i ], "-v" ) )
1126                 {
1127                         if(!verbose)
1128                         {
1129                                 verbose = qtrue;
1130                                 argv[ i ] = NULL;
1131                         }
1132                 }
1133
1134                 /* force */
1135                 else if( !strcmp( argv[ i ], "-force" ) )
1136                 {
1137                         force = qtrue;
1138                         argv[ i ] = NULL;
1139                 }
1140
1141                 /* patch subdivisions */
1142                 else if( !strcmp( argv[ i ], "-subdivisions" ) )
1143                 {
1144                         argv[ i ] = NULL;
1145                         i++;
1146                         patchSubdivisions = atoi( argv[ i ] );
1147                         argv[ i ] = NULL;
1148                         if( patchSubdivisions <= 0 )
1149                                 patchSubdivisions = 1;
1150                 }
1151
1152                 /* threads */
1153                 else if( !strcmp( argv[ i ], "-threads" ) )
1154                 {
1155                         argv[ i ] = NULL;
1156                         i++;
1157                         numthreads = atoi( argv[ i ] );
1158                         argv[ i ] = NULL;
1159                 }
1160         }
1161
1162         /* init model library */
1163         PicoInit();
1164         PicoSetMallocFunc( safe_malloc );
1165         PicoSetFreeFunc( free );
1166         PicoSetPrintFunc( PicoPrintFunc );
1167         PicoSetLoadFileFunc( PicoLoadFileFunc );
1168         PicoSetFreeFileFunc( free );
1169
1170         /* set number of threads */
1171         ThreadSetDefault();
1172
1173         /* generate sinusoid jitter table */
1174         for( i = 0; i < MAX_JITTERS; i++ )
1175         {
1176                 jitters[ i ] = sin( i * 139.54152147 );
1177                 //%     Sys_Printf( "Jitter %4d: %f\n", i, jitters[ i ] );
1178         }
1179
1180         /* we print out two versions, q3map's main version (since it evolves a bit out of GtkRadiant)
1181            and we put the GtkRadiant version to make it easy to track with what version of Radiant it was built with */
1182
1183         Sys_Printf( "Q3Map         - v1.0r (c) 1999 Id Software Inc.\n" );
1184         Sys_Printf( "Q3Map (ydnar) - v" Q3MAP_VERSION "\n" );
1185         Sys_Printf( "NetRadiant    - v" RADIANT_VERSION " " __DATE__ " " __TIME__ "\n" );
1186         Sys_Printf( "%s\n", Q3MAP_MOTD );
1187
1188         /* ydnar: new path initialization */
1189         InitPaths( &argc, argv );
1190
1191         /* set game options */
1192         if (!patchSubdivisions)
1193                 patchSubdivisions = game->patchSubdivisions;
1194
1195         /* check if we have enough options left to attempt something */
1196         if( argc < 2 )
1197                 Error( "Usage: %s [general options] [options] mapfile", argv[ 0 ] );
1198
1199         /* fixaas */
1200         if( !strcmp( argv[ 1 ], "-fixaas" ) )
1201                 r = FixAAS( argc - 1, argv + 1 );
1202
1203         /* analyze */
1204         else if( !strcmp( argv[ 1 ], "-analyze" ) )
1205                 r = AnalyzeBSP( argc - 1, argv + 1 );
1206
1207         /* info */
1208         else if( !strcmp( argv[ 1 ], "-info" ) )
1209                 r = BSPInfo( argc - 2, argv + 2 );
1210
1211         /* vis */
1212         else if( !strcmp( argv[ 1 ], "-vis" ) )
1213                 r = VisMain( argc - 1, argv + 1 );
1214
1215         /* light */
1216         else if( !strcmp( argv[ 1 ], "-light" ) )
1217                 r = LightMain( argc - 1, argv + 1 );
1218
1219         /* vlight */
1220         else if( !strcmp( argv[ 1 ], "-vlight" ) )
1221         {
1222                 Sys_Printf( "WARNING: VLight is no longer supported, defaulting to -light -fast instead\n\n" );
1223                 argv[ 1 ] = "-fast";    /* eek a hack */
1224                 r = LightMain( argc, argv );
1225         }
1226
1227         /* ydnar: lightmap export */
1228         else if( !strcmp( argv[ 1 ], "-export" ) )
1229                 r = ExportLightmapsMain( argc - 1, argv + 1 );
1230
1231         /* ydnar: lightmap import */
1232         else if( !strcmp( argv[ 1 ], "-import" ) )
1233                 r = ImportLightmapsMain( argc - 1, argv + 1 );
1234
1235         /* ydnar: bsp scaling */
1236         else if( !strcmp( argv[ 1 ], "-scale" ) )
1237                 r = ScaleBSPMain( argc - 1, argv + 1 );
1238
1239         /* ydnar: bsp conversion */
1240         else if( !strcmp( argv[ 1 ], "-convert" ) )
1241                 r = ConvertBSPMain( argc - 1, argv + 1 );
1242
1243         /* div0: minimap */
1244         else if( !strcmp( argv[ 1 ], "-minimap" ) )
1245                 r = MiniMapBSPMain(argc - 1, argv + 1);
1246
1247         /* ydnar: otherwise create a bsp */
1248         else
1249                 r = BSPMain( argc, argv );
1250
1251         /* emit time */
1252         end = I_FloatTime();
1253         Sys_Printf( "%9.0f seconds elapsed\n", end - start );
1254
1255         /* shut down connection */
1256         Broadcast_Shutdown();
1257
1258         /* return any error code */
1259         return r;
1260 }