tools/quake3/q3map2/shaders.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 SHADERS_C
  33
  34
  35
  36 /* dependencies */
  37 #include "q3map2.h"
  38
  39
  40
  41 /*
  42 ColorMod()
  43 routines for dealing with vertex color/alpha modification
  44 */
  45
  46 void ColorMod( colorMod_t *cm, int numVerts, bspDrawVert_t *drawVerts )
  47 {
  48         int                             i, j, k;
  49         float                   c;
  50         vec4_t                  mult, add;
  51         bspDrawVert_t   *dv;
  52         colorMod_t              *cm2;
  53
  54
  55         /* dummy check */
  56         if( cm == NULL || numVerts < 1 || drawVerts == NULL )
  57                 return;
  58
  59
  60         /* walk vertex list */
  61         for( i = 0; i < numVerts; i++ )
  62         {
  63                 /* get vertex */
  64                 dv = &drawVerts[ i ];
  65
  66                 /* walk colorMod list */
  67                 for( cm2 = cm; cm2 != NULL; cm2 = cm2->next )
  68                 {
  69                         /* default */
  70                         VectorSet( mult, 1.0f, 1.0f, 1.0f );
  71                         mult[ 3 ] = 1.0f;
  72                         VectorSet( add, 0.0f, 0.0f, 0.0f );
  73                         mult[ 3 ] = 0.0f;
  74
  75                         /* switch on type */
  76                         switch( cm2->type )
  77                         {
  78                                 case CM_COLOR_SET:
  79                                         VectorClear( mult );
  80                                         VectorScale( cm2->data, 255.0f, add );
  81                                         break;
  82
  83                                 case CM_ALPHA_SET:
  84                                         mult[ 3 ] = 0.0f;
  85                                         add[ 3 ] = cm2->data[ 0 ] * 255.0f;
  86                                         break;
  87
  88                                 case CM_COLOR_SCALE:
  89                                         VectorCopy( cm2->data, mult );
  90                                         break;
  91
  92                                 case CM_ALPHA_SCALE:
  93                                         mult[ 3 ] = cm2->data[ 0 ];
  94                                         break;
  95
  96                                 case CM_COLOR_DOT_PRODUCT:
  97                                         c = DotProduct( dv->normal, cm2->data );
  98                                         VectorSet( mult, c, c, c );
  99                                         break;
 100
 101                                 case CM_COLOR_DOT_PRODUCT_SCALE:
 102                                         c = DotProduct( dv->normal, cm2->data );
 103                                         c = cm2->data[4] + c * (cm2->data[5] - cm2->data[4]);
 104                                         VectorSet( mult, c, c, c );
 105                                         break;
 106
 107                                 case CM_ALPHA_DOT_PRODUCT:
 108                                         mult[ 3 ] = DotProduct( dv->normal, cm2->data );
 109                                         break;
 110
 111                                 case CM_ALPHA_DOT_PRODUCT_SCALE:
 112                                         c = DotProduct( dv->normal, cm2->data );
 113                                         c = cm2->data[4] + c * (cm2->data[5] - cm2->data[4]);
 114                                         mult[ 3 ] = c;
 115                                         break;
 116
 117                                 case CM_COLOR_DOT_PRODUCT_2:
 118                                         c = DotProduct( dv->normal, cm2->data );
 119                                         c *= c;
 120                                         VectorSet( mult, c, c, c );
 121                                         break;
 122
 123                                 case CM_COLOR_DOT_PRODUCT_2_SCALE:
 124                                         c = DotProduct( dv->normal, cm2->data );
 125                                         c *= c;
 126                                         c = (c - cm2->data[4]) / (cm2->data[5] - cm2->data[4]);
 127                                         VectorSet( mult, c, c, c );
 128                                         break;
 129
 130                                 case CM_ALPHA_DOT_PRODUCT_2:
 131                                         mult[ 3 ] = DotProduct( dv->normal, cm2->data );
 132                                         mult[ 3 ] *= mult[ 3 ];
 133                                         break;
 134
 135                                 case CM_ALPHA_DOT_PRODUCT_2_SCALE:
 136                                         c = DotProduct( dv->normal, cm2->data );
 137                                         c *= c;
 138                                         c = (c - cm2->data[4]) / (cm2->data[5] - cm2->data[4]);
 139                                         mult[ 3 ] = c;
 140                                         break;
 141
 142                                 default:
 143                                         break;
 144                         }
 145
 146                         /* apply mod */
 147                         for( j = 0; j < MAX_LIGHTMAPS; j++ )
 148                         {
 149                                 for( k = 0; k < 4; k++ )
 150                                 {
 151                                         c = (mult[ k ] * dv->color[ j ][ k ]) + add[ k ];
 152                                         if( c < 0 )
 153                                                 c = 0;
 154                                         else if( c > 255 )
 155                                                 c = 255;
 156                                         dv->color[ j ][ k ] = c;
 157                                 }
 158                         }
 159                 }
 160         }
 161 }
 162
 163
 164
 165 /*
 166 TCMod*()
 167 routines for dealing with a 3x3 texture mod matrix
 168 */
 169
 170 void TCMod( tcMod_t mod, float st[ 2 ] )
 171 {
 172         float   old[ 2 ];
 173
 174
 175         old[ 0 ] = st[ 0 ];
 176         old[ 1 ] = st[ 1 ];
 177         st[ 0 ] = (mod[ 0 ][ 0 ] * old[ 0 ]) + (mod[ 0 ][ 1 ] * old[ 1 ]) + mod[ 0 ][ 2 ];
 178         st[ 1 ] = (mod[ 1 ][ 0 ] * old[ 0 ]) + (mod[ 1 ][ 1 ] * old[ 1 ]) + mod[ 1 ][ 2 ];
 179 }
 180
 181
 182 void TCModIdentity( tcMod_t mod )
 183 {
 184         mod[ 0 ][ 0 ] = 1.0f;   mod[ 0 ][ 1 ] = 0.0f;   mod[ 0 ][ 2 ] = 0.0f;
 185         mod[ 1 ][ 0 ] = 0.0f;   mod[ 1 ][ 1 ] = 1.0f;   mod[ 1 ][ 2 ] = 0.0f;
 186         mod[ 2 ][ 0 ] = 0.0f;   mod[ 2 ][ 1 ] = 0.0f;   mod[ 2 ][ 2 ] = 1.0f;   /* this row is only used for multiples, not transformation */
 187 }
 188
 189
 190 void TCModMultiply( tcMod_t a, tcMod_t b, tcMod_t out )
 191 {
 192         int             i;
 193
 194
 195         for( i = 0; i < 3; i++ )
 196         {
 197                 out[ i ][ 0 ] = (a[ i ][ 0 ] * b[ 0 ][ 0 ]) + (a[ i ][ 1 ] * b[ 1 ][ 0 ]) + (a[ i ][ 2 ] * b[ 2 ][ 0 ]);
 198                 out[ i ][ 1 ] = (a[ i ][ 0 ] * b[ 0 ][ 1 ]) + (a[ i ][ 1 ] * b[ 1 ][ 1 ]) + (a[ i ][ 2 ] * b[ 2 ][ 1 ]);
 199                 out[ i ][ 2 ] = (a[ i ][ 0 ] * b[ 0 ][ 2 ]) + (a[ i ][ 1 ] * b[ 1 ][ 2 ]) + (a[ i ][ 2 ] * b[ 2 ][ 2 ]);
 200         }
 201 }
 202
 203
 204 void TCModTranslate( tcMod_t mod, float s, float t )
 205 {
 206         mod[ 0 ][ 2 ] += s;
 207         mod[ 1 ][ 2 ] += t;
 208 }
 209
 210
 211 void TCModScale( tcMod_t mod, float s, float t )
 212 {
 213         mod[ 0 ][ 0 ] *= s;
 214         mod[ 1 ][ 1 ] *= t;
 215 }
 216
 217
 218 void TCModRotate( tcMod_t mod, float euler )
 219 {
 220         tcMod_t old, temp;
 221         float   radians, sinv, cosv;
 222
 223
 224         memcpy( old, mod, sizeof( tcMod_t ) );
 225         TCModIdentity( temp );
 226
 227         radians = euler / 180 * Q_PI;
 228         sinv = sin( radians );
 229         cosv = cos( radians );
 230
 231         temp[ 0 ][ 0 ] = cosv;  temp[ 0 ][ 1 ] = -sinv;
 232         temp[ 1 ][ 0 ] = sinv;  temp[ 1 ][ 1 ] = cosv;
 233
 234         TCModMultiply( old, temp, mod );
 235 }
 236
 237
 238
 239 /*
 240 ApplySurfaceParm() - ydnar
 241 applies a named surfaceparm to the supplied flags
 242 */
 243
 244 qboolean ApplySurfaceParm( char *name, int *contentFlags, int *surfaceFlags, int *compileFlags )
 245 {
 246         int                             i, fake;
 247         surfaceParm_t   *sp;
 248
 249
 250         /* dummy check */
 251         if( name == NULL )
 252                 name = "";
 253         if( contentFlags == NULL )
 254                 contentFlags = &fake;
 255         if( surfaceFlags == NULL )
 256                 surfaceFlags = &fake;
 257         if( compileFlags == NULL )
 258                 compileFlags = &fake;
 259
 260         /* walk the current game's surfaceparms */
 261         sp = game->surfaceParms;
 262         while( sp->name != NULL )
 263         {
 264                 /* match? */
 265                 if( !Q_stricmp( name, sp->name ) )
 266                 {
 267                         /* clear and set flags */
 268                         *contentFlags &= ~(sp->contentFlagsClear);
 269                         *contentFlags |= sp->contentFlags;
 270                         *surfaceFlags &= ~(sp->surfaceFlagsClear);
 271                         *surfaceFlags |= sp->surfaceFlags;
 272                         *compileFlags &= ~(sp->compileFlagsClear);
 273                         *compileFlags |= sp->compileFlags;
 274
 275                         /* return ok */
 276                         return qtrue;
 277                 }
 278
 279                 /* next */
 280                 sp++;
 281         }
 282
 283         /* check custom info parms */
 284         for( i = 0; i < numCustSurfaceParms; i++ )
 285         {
 286                 /* get surfaceparm */
 287                 sp = &custSurfaceParms[ i ];
 288
 289                 /* match? */
 290                 if( !Q_stricmp( name, sp->name ) )
 291                 {
 292                         /* clear and set flags */
 293                         *contentFlags &= ~(sp->contentFlagsClear);
 294                         *contentFlags |= sp->contentFlags;
 295                         *surfaceFlags &= ~(sp->surfaceFlagsClear);
 296                         *surfaceFlags |= sp->surfaceFlags;
 297                         *compileFlags &= ~(sp->compileFlagsClear);
 298                         *compileFlags |= sp->compileFlags;
 299
 300                         /* return ok */
 301                         return qtrue;
 302                 }
 303         }
 304
 305         /* no matching surfaceparm found */
 306         return qfalse;
 307 }
 308
 309
 310
 311 /*
 312 BeginMapShaderFile() - ydnar
 313 erases and starts a new map shader script
 314 */
 315
 316 void BeginMapShaderFile( const char *mapFile )
 317 {
 318         char    base[ 1024 ];
 319         int             len;
 320
 321
 322         /* dummy check */
 323         mapName[ 0 ] = '\0';
 324         mapShaderFile[ 0 ] = '\0';
 325         if( mapFile == NULL || mapFile[ 0 ] == '\0' )
 326                 return;
 327
 328         /* copy map name */
 329         strcpy( base, mapFile );
 330         StripExtension( base );
 331
 332         /* extract map name */
 333         len = strlen( base ) - 1;
 334         while( len > 0 && base[ len ] != '/' && base[ len ] != '\\' )
 335                 len--;
 336         strcpy( mapName, &base[ len + 1 ] );
 337         base[ len ] = '\0';
 338         if( len <= 0 )
 339                 return;
 340
 341         /* append ../scripts/q3map2_<mapname>.shader */
 342         sprintf( mapShaderFile, "%s/../%s/q3map2_%s.shader", base, game->shaderPath, mapName );
 343         Sys_FPrintf( SYS_VRB, "Map has shader script %s\n", mapShaderFile );
 344
 345         /* remove it */
 346         remove( mapShaderFile );
 347
 348         /* stop making warnings about missing images */
 349         warnImage = qfalse;
 350 }
 351
 352
 353
 354 /*
 355 WriteMapShaderFile() - ydnar
 356 writes a shader to the map shader script
 357 */
 358
 359 void WriteMapShaderFile( void )
 360 {
 361         FILE                    *file;
 362         shaderInfo_t    *si;
 363         int                             i, num;
 364
 365
 366         /* dummy check */
 367         if( mapShaderFile[ 0 ] == '\0' )
 368                 return;
 369
 370         /* are there any custom shaders? */
 371         for( i = 0, num = 0; i < numShaderInfo; i++ )
 372         {
 373                 if( shaderInfo[ i ].custom )
 374                         break;
 375         }
 376         if( i == numShaderInfo )
 377                 return;
 378
 379         /* note it */
 380         Sys_FPrintf( SYS_VRB, "--- WriteMapShaderFile ---\n");
 381         Sys_FPrintf( SYS_VRB, "Writing %s", mapShaderFile );
 382
 383         /* open shader file */
 384         file = fopen( mapShaderFile, "w" );
 385         if( file == NULL )
 386         {
 387                 Sys_Printf( "WARNING: Unable to open map shader file %s for writing\n", mapShaderFile );
 388                 return;
 389         }
 390
 391         /* print header */
 392         fprintf( file,
 393                 "// Custom shader file for %s.bsp\n"
 394                 "// Generated by Q3Map2 (ydnar)\n"
 395                 "// Do not edit! This file is overwritten on recompiles.\n\n",
 396                 mapName );
 397
 398         /* walk the shader list */
 399         for( i = 0, num = 0; i < numShaderInfo; i++ )
 400         {
 401                 /* get the shader and print it */
 402                 si = &shaderInfo[ i ];
 403                 if( si->custom == qfalse || si->shaderText == NULL || si->shaderText[ 0 ] == '\0' )
 404                         continue;
 405                 num++;
 406
 407                 /* print it to the file */
 408                 fprintf( file, "%s%s\n", si->shader, si->shaderText );
 409                 //Sys_Printf( "%s%s\n", si->shader, si->shaderText ); /* FIXME: remove debugging code */
 410
 411                 Sys_FPrintf( SYS_VRB, "." );
 412         }
 413
 414         /* close the shader */
 415         fflush( file );
 416         fclose( file );
 417
 418         Sys_FPrintf( SYS_VRB, "\n" );
 419
 420         /* print some stats */
 421         Sys_Printf( "%9d custom shaders emitted\n", num );
 422 }
 423
 424
 425
 426 /*
 427 CustomShader() - ydnar
 428 sets up a custom map shader
 429 */
 430
 431 shaderInfo_t *CustomShader( shaderInfo_t *si, char *find, char *replace )
 432 {
 433         shaderInfo_t    *csi;
 434         char                    shader[ MAX_QPATH ];
 435         char                    *s;
 436         int                             loc;
 437         byte                    digest[ 16 ];
 438         char                    *srcShaderText, temp[ 8192 ], shaderText[ 8192 ];       /* ydnar: fixme (make this bigger?) */
 439
 440
 441         /* dummy check */
 442         if( si == NULL )
 443                 return ShaderInfoForShader( "default" );
 444
 445         /* default shader text source */
 446         srcShaderText = si->shaderText;
 447
 448         /* et: implicitMap */
 449         if( si->implicitMap == IM_OPAQUE )
 450         {
 451                 srcShaderText = temp;
 452                 sprintf( temp, "\n"
 453                         "{ // Q3Map2 defaulted (implicitMap)\n"
 454                         "\t{\n"
 455                         "\t\tmap $lightmap\n"
 456                         "\t\trgbGen identity\n"
 457                         "\t}\n"
 458                         "\tq3map_styleMarker\n"
 459                         "\t{\n"
 460                         "\t\tmap %s\n"
 461                         "\t\tblendFunc GL_DST_COLOR GL_ZERO\n"
 462                         "\t\trgbGen identity\n"
 463                         "\t}\n"
 464                         "}\n",
 465                         si->implicitImagePath );
 466         }
 467
 468         /* et: implicitMask */
 469         else if( si->implicitMap == IM_MASKED )
 470         {
 471                 srcShaderText = temp;
 472                 sprintf( temp, "\n"
 473                         "{ // Q3Map2 defaulted (implicitMask)\n"
 474                         "\tcull none\n"
 475                         "\t{\n"
 476                         "\t\tmap %s\n"
 477                         "\t\talphaFunc GE128\n"
 478                         "\t\tdepthWrite\n"
 479                         "\t}\n"
 480                         "\t{\n"
 481                         "\t\tmap $lightmap\n"
 482                         "\t\trgbGen identity\n"
 483                         "\t\tdepthFunc equal\n"
 484                         "\t}\n"
 485                         "\tq3map_styleMarker\n"
 486                         "\t{\n"
 487                         "\t\tmap %s\n"
 488                         "\t\tblendFunc GL_DST_COLOR GL_ZERO\n"
 489                         "\t\tdepthFunc equal\n"
 490                         "\t\trgbGen identity\n"
 491                         "\t}\n"
 492                         "}\n",
 493                         si->implicitImagePath,
 494                         si->implicitImagePath );
 495         }
 496
 497         /* et: implicitBlend */
 498         else if( si->implicitMap == IM_BLEND )
 499         {
 500                 srcShaderText = temp;
 501                 sprintf( temp, "\n"
 502                         "{ // Q3Map2 defaulted (implicitBlend)\n"
 503                         "\tcull none\n"
 504                         "\t{\n"
 505                         "\t\tmap %s\n"
 506                         "\t\tblendFunc GL_SRC_ALPHA GL_ONE_MINUS_SRC_ALPHA\n"
 507                         "\t}\n"
 508                         "\t{\n"
 509                         "\t\tmap $lightmap\n"
 510                         "\t\trgbGen identity\n"
 511                         "\t\tblendFunc GL_DST_COLOR GL_ZERO\n"
 512                         "\t}\n"
 513                         "\tq3map_styleMarker\n"
 514                         "}\n",
 515                         si->implicitImagePath );
 516         }
 517
 518         /* default shader text */
 519         else if( srcShaderText == NULL )
 520         {
 521                 srcShaderText = temp;
 522                 sprintf( temp, "\n"
 523                         "{ // Q3Map2 defaulted\n"
 524                         "\t{\n"
 525                         "\t\tmap $lightmap\n"
 526                         "\t\trgbGen identity\n"
 527                         "\t}\n"
 528                         "\tq3map_styleMarker\n"
 529                         "\t{\n"
 530                         "\t\tmap %s.tga\n"
 531                         "\t\tblendFunc GL_DST_COLOR GL_ZERO\n"
 532                         "\t\trgbGen identity\n"
 533                         "\t}\n"
 534                         "}\n",
 535                         si->shader );
 536         }
 537
 538         /* error check */
 539         if( (strlen( mapName ) + 1 + 32) > MAX_QPATH )
 540                 Error( "Custom shader name length (%d) exceeded. Shorten your map name.\n", MAX_QPATH );
 541
 542         /* do some bad find-replace */
 543         s = strstr( srcShaderText, find );
 544         if( s == NULL )
 545                 //%     strcpy( shaderText, srcShaderText );
 546                 return si;      /* testing just using the existing shader if this fails */
 547         else
 548         {
 549                 /* substitute 'find' with 'replace' */
 550                 loc = s - srcShaderText;
 551                 strcpy( shaderText, srcShaderText );
 552                 shaderText[ loc ] = '\0';
 553                 strcat( shaderText, replace );
 554                 strcat( shaderText, &srcShaderText[ loc + strlen( find ) ] );
 555         }
 556
 557         /* make md4 hash of the shader text */
 558         Com_BlockFullChecksum(shaderText, strlen(shaderText), digest);
 559
 560         /* mangle hash into a shader name */
 561         sprintf( shader, "%s/%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X", mapName,
 562                 digest[ 0 ], digest[ 1 ], digest[ 2 ], digest[ 3 ], digest[ 4 ], digest[ 5 ], digest[ 6 ], digest[ 7 ],
 563                 digest[ 8 ], digest[ 9 ], digest[ 10 ], digest[ 11 ], digest[ 12 ], digest[ 13 ], digest[ 14 ], digest[ 15 ] );
 564
 565         /* get shader */
 566         csi = ShaderInfoForShader( shader );
 567
 568         /* might be a preexisting shader */
 569         if( csi->custom )
 570                 return csi;
 571
 572         /* clone the existing shader and rename */
 573         memcpy( csi, si, sizeof( shaderInfo_t ) );
 574         strcpy( csi->shader, shader );
 575         csi->custom = qtrue;
 576
 577         /* store new shader text */
 578         csi->shaderText = safe_malloc( strlen( shaderText ) + 1 );
 579         strcpy( csi->shaderText, shaderText );  /* LEAK! */
 580
 581         /* return it */
 582         return csi;
 583 }
 584
 585
 586
 587 /*
 588 EmitVertexRemapShader()
 589 adds a vertexremapshader key/value pair to worldspawn
 590 */
 591
 592 void EmitVertexRemapShader( char *from, char *to )
 593 {
 594         byte                    digest[ 16 ];
 595         char                    key[ 64 ], value[ 256 ];
 596
 597
 598         /* dummy check */
 599         if( from == NULL || from[ 0 ] == '\0' ||
 600                 to == NULL || to[ 0 ] == '\0' )
 601                 return;
 602
 603         /* build value */
 604         sprintf( value, "%s;%s", from, to );
 605
 606         /* make md4 hash */
 607         Com_BlockFullChecksum(value, strlen(value), digest);
 608
 609         /* make key (this is annoying, as vertexremapshader is precisely 17 characters,
 610            which is one too long, so we leave off the last byte of the md5 digest) */
 611         sprintf( key, "vertexremapshader%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X",
 612                 digest[ 0 ], digest[ 1 ], digest[ 2 ], digest[ 3 ], digest[ 4 ], digest[ 5 ], digest[ 6 ], digest[ 7 ],
 613                 digest[ 8 ], digest[ 9 ], digest[ 10 ], digest[ 11 ], digest[ 12 ], digest[ 13 ], digest[ 14 ] );       /* no: digest[ 15 ] */
 614
 615         /* add key/value pair to worldspawn */
 616         SetKeyValue( &entities[ 0 ], key, value );
 617 }
 618
 619
 620
 621 /*
 622 AllocShaderInfo()
 623 allocates and initializes a new shader
 624 */
 625
 626 static shaderInfo_t     *AllocShaderInfo( void )
 627 {
 628         shaderInfo_t    *si;
 629
 630
 631         /* allocate? */
 632         if( shaderInfo == NULL )
 633         {
 634                 shaderInfo = safe_malloc( sizeof( shaderInfo_t ) * MAX_SHADER_INFO );
 635                 numShaderInfo = 0;
 636         }
 637
 638         /* bounds check */
 639         if( numShaderInfo == MAX_SHADER_INFO )
 640                 Error( "MAX_SHADER_INFO exceeded. Remove some PK3 files or shader scripts from shaderlist.txt and try again." );
 641         si = &shaderInfo[ numShaderInfo ];
 642         numShaderInfo++;
 643
 644         /* ydnar: clear to 0 first */
 645         memset( si, 0, sizeof( shaderInfo_t ) );
 646
 647         /* set defaults */
 648         ApplySurfaceParm( "default", &si->contentFlags, &si->surfaceFlags, &si->compileFlags );
 649
 650         si->backsplashFraction = DEF_BACKSPLASH_FRACTION;
 651         si->backsplashDistance = DEF_BACKSPLASH_DISTANCE;
 652
 653         si->bounceScale = DEF_RADIOSITY_BOUNCE;
 654
 655         si->lightStyle = LS_NORMAL;
 656
 657         si->polygonOffset = qfalse;
 658
 659         si->shadeAngleDegrees = 0.0f;
 660         si->lightmapSampleSize = 0;
 661         si->lightmapSampleOffset = DEFAULT_LIGHTMAP_SAMPLE_OFFSET;
 662         si->patchShadows = qfalse;
 663         si->vertexShadows = qtrue;      /* ydnar: changed default behavior */
 664         si->forceSunlight = qfalse;
 665         si->vertexScale = 1.0;
 666         si->notjunc = qfalse;
 667
 668         /* ydnar: set texture coordinate transform matrix to identity */
 669         TCModIdentity( si->mod );
 670
 671         /* ydnar: lightmaps can now be > 128x128 in certain games or an externally generated tga */
 672         si->lmCustomWidth = lmCustomSize;
 673         si->lmCustomHeight = lmCustomSize;
 674
 675         /* return to sender */
 676         return si;
 677 }
 678
 679
 680
 681 /*
 682 FinishShader() - ydnar
 683 sets a shader's width and height among other things
 684 */
 685
 686 void FinishShader( shaderInfo_t *si )
 687 {
 688         int             x, y;
 689         float   st[ 2 ], o[ 2 ], dist, bestDist;
 690         vec4_t  color, bestColor, delta;
 691
 692
 693         /* don't double-dip */
 694         if( si->finished )
 695                 return;
 696
 697         /* if they're explicitly set, copy from image size */
 698         if( si->shaderWidth == 0 && si->shaderHeight == 0 )
 699         {
 700                 si->shaderWidth = si->shaderImage->width;
 701                 si->shaderHeight = si->shaderImage->height;
 702         }
 703
 704         /* legacy terrain has explicit image-sized texture projection */
 705         if( si->legacyTerrain && si->tcGen == qfalse )
 706         {
 707                 /* set xy texture projection */
 708                 si->tcGen = qtrue;
 709                 VectorSet( si->vecs[ 0 ], (1.0f / (si->shaderWidth * 0.5f)), 0, 0 );
 710                 VectorSet( si->vecs[ 1 ], 0, (1.0f / (si->shaderHeight * 0.5f)), 0 );
 711         }
 712
 713         /* find pixel coordinates best matching the average color of the image */
 714         bestDist = 99999999;
 715         o[ 0 ] = 1.0f / si->shaderImage->width;
 716         o[ 1 ] = 1.0f / si->shaderImage->height;
 717         for( y = 0, st[ 1 ] = 0.0f; y < si->shaderImage->height; y++, st[ 1 ] += o[ 1 ] )
 718         {
 719                 for( x = 0, st[ 0 ] = 0.0f; x < si->shaderImage->width; x++, st[ 0 ] += o[ 0 ] )
 720                 {
 721                         /* sample the shader image */
 722                         RadSampleImage( si->shaderImage->pixels, si->shaderImage->width, si->shaderImage->height, st, color );
 723
 724                         /* determine error squared */
 725                         VectorSubtract( color, si->averageColor, delta );
 726                         delta[ 3 ] = color[ 3 ] - si->averageColor[ 3 ];
 727                         dist = delta[ 0 ] * delta[ 0 ] + delta[ 1 ] * delta[ 1 ] + delta[ 2 ] * delta[ 2 ] + delta[ 3 ] * delta[ 3 ];
 728                         if( dist < bestDist )
 729                         {
 730                                 VectorCopy( color, bestColor );
 731                                 bestColor[ 3 ] = color[ 3 ];
 732                                 si->stFlat[ 0 ] = st[ 0 ];
 733                                 si->stFlat[ 1 ] = st[ 1 ];
 734                         }
 735                 }
 736         }
 737
 738         /* set to finished */
 739         si->finished = qtrue;
 740 }
 741
 742
 743
 744 /*
 745 LoadShaderImages()
 746 loads a shader's images
 747 ydnar: image.c made this a bit simpler
 748 */
 749
 750 static void LoadShaderImages( shaderInfo_t *si )
 751 {
 752         int                     i, count;
 753         float           color[ 4 ];
 754
 755
 756         /* nodraw shaders don't need images */
 757         if( si->compileFlags & C_NODRAW )
 758                 si->shaderImage = ImageLoad( DEFAULT_IMAGE );
 759         else
 760         {
 761                 /* try to load editor image first */
 762                 si->shaderImage = ImageLoad( si->editorImagePath );
 763
 764                 /* then try shadername */
 765                 if( si->shaderImage == NULL )
 766                         si->shaderImage = ImageLoad( si->shader );
 767
 768                 /* then try implicit image path (note: new behavior!) */
 769                 if( si->shaderImage == NULL )
 770                         si->shaderImage = ImageLoad( si->implicitImagePath );
 771
 772                 /* then try lightimage (note: new behavior!) */
 773                 if( si->shaderImage == NULL )
 774                         si->shaderImage = ImageLoad( si->lightImagePath );
 775
 776                 /* otherwise, use default image */
 777                 if( si->shaderImage == NULL )
 778                 {
 779                         si->shaderImage = ImageLoad( DEFAULT_IMAGE );
 780                         if( warnImage && strcmp( si->shader, "noshader" ) )
 781                                 Sys_Printf( "WARNING: Couldn't find image for shader %s\n", si->shader );
 782                 }
 783
 784                 /* load light image */
 785                 si->lightImage = ImageLoad( si->lightImagePath );
 786
 787                 /* load normalmap image (ok if this is NULL) */
 788                 si->normalImage = ImageLoad( si->normalImagePath );
 789                 if( si->normalImage != NULL )
 790                 {
 791                         Sys_FPrintf( SYS_VRB, "Shader %s has\n"
 792                                                                   "    NM %s\n", si->shader, si->normalImagePath );
 793                 }
 794         }
 795
 796         /* if no light image, use shader image */
 797         if( si->lightImage == NULL )
 798                 si->lightImage = ImageLoad( si->shaderImage->name );
 799
 800         /* create default and average colors */
 801         count = si->lightImage->width * si->lightImage->height;
 802         VectorClear( color );
 803         color[ 3 ] = 0.0f;
 804         for( i = 0; i < count; i++ )
 805         {
 806                 color[ 0 ] += si->lightImage->pixels[ i * 4 + 0 ];
 807                 color[ 1 ] += si->lightImage->pixels[ i * 4 + 1 ];
 808                 color[ 2 ] += si->lightImage->pixels[ i * 4 + 2 ];
 809                 color[ 3 ] += si->lightImage->pixels[ i * 4 + 3 ];
 810         }
 811
 812         if( VectorLength( si->color ) <= 0.0f )
 813         {
 814                 ColorNormalize( color, si->color );
 815                 VectorScale( color, (1.0f / count), si->averageColor );
 816         }
 817         else
 818         {
 819                 VectorCopy( si->color, si->averageColor );
 820         }
 821 }
 822
 823
 824
 825 /*
 826 ShaderInfoForShader()
 827 finds a shaderinfo for a named shader
 828 */
 829
 830 shaderInfo_t *ShaderInfoForShader( const char *shaderName )
 831 {
 832         int                             i;
 833         shaderInfo_t    *si;
 834         char                    shader[ MAX_QPATH ];
 835
 836
 837         /* dummy check */
 838         if( shaderName == NULL || shaderName[ 0 ] == '\0' )
 839         {
 840                 Sys_Printf( "WARNING: Null or empty shader name\n" );
 841                 shaderName = "missing";
 842         }
 843
 844         /* strip off extension */
 845         strcpy( shader, shaderName );
 846         StripExtension( shader );
 847
 848         /* search for it */
 849         for( i = 0; i < numShaderInfo; i++ )
 850         {
 851                 si = &shaderInfo[ i ];
 852                 if( !Q_stricmp( shader, si->shader ) )
 853                 {
 854                         /* load image if necessary */
 855                         if( si->finished == qfalse )
 856                         {
 857                                 LoadShaderImages( si );
 858                                 FinishShader( si );
 859                         }
 860
 861                         /* return it */
 862                         return si;
 863                 }
 864         }
 865
 866         /* allocate a default shader */
 867         si = AllocShaderInfo();
 868         strcpy( si->shader, shader );
 869         LoadShaderImages( si );
 870         FinishShader( si );
 871
 872         /* return it */
 873         return si;
 874 }
 875
 876
 877
 878 /*
 879 GetTokenAppend() - ydnar
 880 gets a token and appends its text to the specified buffer
 881 */
 882
 883 static int      oldScriptLine = 0;
 884 static int      tabDepth = 0;
 885
 886 qboolean GetTokenAppend( char *buffer, qboolean crossline )
 887 {
 888         qboolean        r;
 889         int                     i;
 890
 891
 892         /* get the token */
 893         r = GetToken( crossline );
 894         if( r == qfalse || buffer == NULL || token[ 0 ] == '\0' )
 895                 return r;
 896
 897         /* pre-tabstops */
 898         if( token[ 0 ] == '}' )
 899                 tabDepth--;
 900
 901         /* append? */
 902         if( oldScriptLine != scriptline )
 903         {
 904                 strcat( buffer, "\n" );
 905                 for( i = 0; i < tabDepth; i++ )
 906                         strcat( buffer, "\t" );
 907         }
 908         else
 909                 strcat( buffer, " " );
 910         oldScriptLine = scriptline;
 911         strcat( buffer, token );
 912
 913         /* post-tabstops */
 914         if( token[ 0 ] == '{' )
 915                 tabDepth++;
 916
 917         /* return */
 918         return r;
 919 }
 920
 921
 922 void Parse1DMatrixAppend( char *buffer, int x, vec_t *m )
 923 {
 924         int             i;
 925
 926
 927         if( !GetTokenAppend( buffer, qtrue ) || strcmp( token, "(" ) )
 928                 Error( "Parse1DMatrixAppend(): line %d: ( not found!", scriptline );
 929         for( i = 0; i < x; i++ )
 930         {
 931                 if( !GetTokenAppend( buffer, qfalse ) )
 932                         Error( "Parse1DMatrixAppend(): line %d: Number not found!", scriptline );
 933                 m[ i ] = atof( token );
 934         }
 935         if( !GetTokenAppend( buffer, qtrue ) || strcmp( token, ")" ) )
 936                 Error( "Parse1DMatrixAppend(): line %d: ) not found!", scriptline );
 937 }
 938
 939
 940
 941
 942 /*
 943 ParseShaderFile()
 944 parses a shader file into discrete shaderInfo_t
 945 */
 946
 947 static void ParseShaderFile( const char *filename )
 948 {
 949         int                             i, val;
 950         shaderInfo_t    *si;
 951         char                    *suffix, temp[ 1024 ];
 952         char                    shaderText[ 8192 ];     /* ydnar: fixme (make this bigger?) */
 953
 954
 955         /* init */
 956         si = NULL;
 957         shaderText[ 0 ] = '\0';
 958
 959         /* load the shader */
 960         LoadScriptFile( filename, 0 );
 961
 962         /* tokenize it */
 963         while( 1 )
 964         {
 965                 /* copy shader text to the shaderinfo */
 966                 if( si != NULL && shaderText[ 0 ] != '\0' )
 967                 {
 968                         strcat( shaderText, "\n" );
 969                         si->shaderText = safe_malloc( strlen( shaderText ) + 1 );
 970                         strcpy( si->shaderText, shaderText );
 971                         //%     if( VectorLength( si->vecs[ 0 ] ) )
 972                         //%             Sys_Printf( "%s\n", shaderText );
 973                 }
 974
 975                 /* ydnar: clear shader text buffer */
 976                 shaderText[ 0 ] = '\0';
 977
 978                 /* test for end of file */
 979                 if( !GetToken( qtrue ) )
 980                         break;
 981
 982                 /* shader name is initial token */
 983                 si = AllocShaderInfo();
 984                 strcpy( si->shader, token );
 985
 986                 /* ignore ":q3map" suffix */
 987                 suffix = strstr( si->shader, ":q3map" );
 988                 if( suffix != NULL )
 989                         *suffix = '\0';
 990
 991                 /* handle { } section */
 992                 if( !GetTokenAppend( shaderText, qtrue ) )
 993                         break;
 994                 if( strcmp( token, "{" ) )
 995                 {
 996                         if( si != NULL )
 997                                 Error( "ParseShaderFile(): %s, line %d: { not found!\nFound instead: %s\nLast known shader: %s",
 998                                         filename, scriptline, token, si->shader );
 999                         else
1000                                 Error( "ParseShaderFile(): %s, line %d: { not found!\nFound instead: %s",
1001                                         filename, scriptline, token );
1002                 }
1003
1004                 while( 1 )
1005                 {
1006                         /* get the next token */
1007                         if( !GetTokenAppend( shaderText, qtrue ) )
1008                                 break;
1009                         if( !strcmp( token, "}" ) )
1010                                 break;
1011
1012
1013                         /* -----------------------------------------------------------------
1014                            shader stages (passes)
1015                            ----------------------------------------------------------------- */
1016
1017                         /* parse stage directives */
1018                         if( !strcmp( token, "{" ) )
1019                         {
1020                                 si->hasPasses = qtrue;
1021                                 while( 1 )
1022                                 {
1023                                         if( !GetTokenAppend( shaderText, qtrue ) )
1024                                                 break;
1025                                         if( !strcmp( token, "}" ) )
1026                                                 break;
1027
1028                                         /* only care about images if we don't have a editor/light image */
1029                                         if( si->editorImagePath[ 0 ] == '\0' && si->lightImagePath[ 0 ] == '\0' && si->implicitImagePath[ 0 ] == '\0' )
1030                                         {
1031                                                 /* digest any images */
1032                                                 if( !Q_stricmp( token, "map" ) ||
1033                                                         !Q_stricmp( token, "clampMap" ) ||
1034                                                         !Q_stricmp( token, "animMap" ) ||
1035                                                         !Q_stricmp( token, "clampAnimMap" ) ||
1036                                                         !Q_stricmp( token, "clampMap" ) ||
1037                                                         !Q_stricmp( token, "mapComp" ) ||
1038                                                         !Q_stricmp( token, "mapNoComp" ) )
1039                                                 {
1040                                                         /* skip one token for animated stages */
1041                                                         if( !Q_stricmp( token, "animMap" ) || !Q_stricmp( token, "clampAnimMap" ) )
1042                                                                 GetTokenAppend( shaderText, qfalse );
1043
1044                                                         /* get an image */
1045                                                         GetTokenAppend( shaderText, qfalse );
1046                                                         if( token[ 0 ] != '*' && token[ 0 ] != '$' )
1047                                                         {
1048                                                                 strcpy( si->lightImagePath, token );
1049                                                                 DefaultExtension( si->lightImagePath, ".tga" );
1050
1051                                                                 /* debug code */
1052                                                                 //%     Sys_FPrintf( SYS_VRB, "Deduced shader image: %s\n", si->lightImagePath );
1053                                                         }
1054                                                 }
1055                                         }
1056                                 }
1057                         }
1058
1059
1060                         /* -----------------------------------------------------------------
1061                            surfaceparm * directives
1062                            ----------------------------------------------------------------- */
1063
1064                         /* match surfaceparm */
1065                         else if( !Q_stricmp( token, "surfaceparm" ) )
1066                         {
1067                                 GetTokenAppend( shaderText, qfalse );
1068                                 if( ApplySurfaceParm( token, &si->contentFlags, &si->surfaceFlags, &si->compileFlags ) == qfalse )
1069                                         Sys_Printf( "WARNING: Unknown surfaceparm: \"%s\"\n", token );
1070                         }
1071
1072
1073                         /* -----------------------------------------------------------------
1074                            game-related shader directives
1075                            ----------------------------------------------------------------- */
1076
1077                         /* ydnar: fogparms (for determining fog volumes) */
1078                         else if( !Q_stricmp( token, "fogparms" ) )
1079                                 si->fogParms = qtrue;
1080
1081                         /* ydnar: polygonoffset (for no culling) */
1082                         else if( !Q_stricmp( token, "polygonoffset" ) )
1083                                 si->polygonOffset = qtrue;
1084
1085                         /* tesssize is used to force liquid surfaces to subdivide */
1086                         else if( !Q_stricmp( token, "tessSize" ) || !Q_stricmp( token, "q3map_tessSize" ) /* sof2 */ )
1087                         {
1088                                 GetTokenAppend( shaderText, qfalse );
1089                                 si->subdivisions = atof( token );
1090                         }
1091
1092                         /* cull none will set twoSided (ydnar: added disable too) */
1093                         else if ( !Q_stricmp( token, "cull" ) )
1094                         {
1095                                 GetTokenAppend( shaderText, qfalse );
1096                                 if( !Q_stricmp( token, "none" ) || !Q_stricmp( token, "disable" ) || !Q_stricmp( token, "twosided" ) )
1097                                         si->twoSided = qtrue;
1098                         }
1099
1100                         /* deformVertexes autosprite[ 2 ]
1101                            we catch this so autosprited surfaces become point
1102                            lights instead of area lights */
1103                         else if( !Q_stricmp( token, "deformVertexes" ) )
1104                         {
1105                                 GetTokenAppend( shaderText, qfalse );
1106
1107                                 /* deformVertexes autosprite(2) */
1108                                 if( !Q_strncasecmp( token, "autosprite", 10 ) )
1109                                 {
1110                                         /* set it as autosprite and detail */
1111                                         si->autosprite = qtrue;
1112                                         ApplySurfaceParm( "detail", &si->contentFlags, &si->surfaceFlags, &si->compileFlags );
1113
1114                                         /* ydnar: gs mods: added these useful things */
1115                                         si->noClip = qtrue;
1116                                         si->notjunc = qtrue;
1117                                 }
1118
1119                                 /* deformVertexes move <x> <y> <z> <func> <base> <amplitude> <phase> <freq> (ydnar: for particle studio support) */
1120                                 if( !Q_stricmp( token, "move") )
1121                                 {
1122                                         vec3_t  amt, mins, maxs;
1123                                         float   base, amp;
1124
1125
1126                                         /* get move amount */
1127                                         GetTokenAppend( shaderText, qfalse );   amt[ 0 ] = atof( token );
1128                                         GetTokenAppend( shaderText, qfalse );   amt[ 1 ] = atof( token );
1129                                         GetTokenAppend( shaderText, qfalse );   amt[ 2 ] = atof( token );
1130
1131                                         /* skip func */
1132                                         GetTokenAppend( shaderText, qfalse );
1133
1134                                         /* get base and amplitude */
1135                                         GetTokenAppend( shaderText, qfalse );   base = atof( token );
1136                                         GetTokenAppend( shaderText, qfalse );   amp = atof( token );
1137
1138                                         /* calculate */
1139                                         VectorScale( amt, base, mins );
1140                                         VectorMA( mins, amp, amt, maxs );
1141                                         VectorAdd( si->mins, mins, si->mins );
1142                                         VectorAdd( si->maxs, maxs, si->maxs );
1143                                 }
1144                         }
1145
1146                         /* light <value> (old-style flare specification) */
1147                         else if( !Q_stricmp( token, "light" ) )
1148                         {
1149                                 GetTokenAppend( shaderText, qfalse );
1150                                 si->flareShader = game->flareShader;
1151                         }
1152
1153                         /* ydnar: damageShader <shader> <health> (sof2 mods) */
1154                         else if( !Q_stricmp( token, "damageShader" ) )
1155                         {
1156                                 GetTokenAppend( shaderText, qfalse );
1157                                 if( token[ 0 ] != '\0' )
1158                                 {
1159                                         si->damageShader = safe_malloc( strlen( token ) + 1 );
1160                                         strcpy( si->damageShader, token );
1161                                 }
1162                                 GetTokenAppend( shaderText, qfalse );   /* don't do anything with health */
1163                         }
1164
1165                         /* ydnar: enemy territory implicit shaders */
1166                         else if( !Q_stricmp( token, "implicitMap" ) )
1167                         {
1168                                 si->implicitMap = IM_OPAQUE;
1169                                 GetTokenAppend( shaderText, qfalse );
1170                                 if( token[ 0 ] == '-' && token[ 1 ] == '\0' )
1171                                         sprintf( si->implicitImagePath, "%s.tga", si->shader );
1172                                 else
1173                                         strcpy( si->implicitImagePath, token );
1174                         }
1175
1176                         else if( !Q_stricmp( token, "implicitMask" ) )
1177                         {
1178                                 si->implicitMap = IM_MASKED;
1179                                 GetTokenAppend( shaderText, qfalse );
1180                                 if( token[ 0 ] == '-' && token[ 1 ] == '\0' )
1181                                         sprintf( si->implicitImagePath, "%s.tga", si->shader );
1182                                 else
1183                                         strcpy( si->implicitImagePath, token );
1184                         }
1185
1186                         else if( !Q_stricmp( token, "implicitBlend" ) )
1187                         {
1188                                 si->implicitMap = IM_MASKED;
1189                                 GetTokenAppend( shaderText, qfalse );
1190                                 if( token[ 0 ] == '-' && token[ 1 ] == '\0' )
1191                                         sprintf( si->implicitImagePath, "%s.tga", si->shader );
1192                                 else
1193                                         strcpy( si->implicitImagePath, token );
1194                         }
1195
1196
1197                         /* -----------------------------------------------------------------
1198                            image directives
1199                            ----------------------------------------------------------------- */
1200
1201                         /* qer_editorimage <image> */
1202                         else if( !Q_stricmp( token, "qer_editorImage" ) )
1203                         {
1204                                 GetTokenAppend( shaderText, qfalse );
1205                                 strcpy( si->editorImagePath, token );
1206                                 DefaultExtension( si->editorImagePath, ".tga" );
1207                         }
1208
1209                         /* ydnar: q3map_normalimage <image> (bumpmapping normal map) */
1210                         else if( !Q_stricmp( token, "q3map_normalImage" ) )
1211                         {
1212                                 GetTokenAppend( shaderText, qfalse );
1213                                 strcpy( si->normalImagePath, token );
1214                                 DefaultExtension( si->normalImagePath, ".tga" );
1215                         }
1216
1217                         /* q3map_lightimage <image> */
1218                         else if( !Q_stricmp( token, "q3map_lightImage" ) )
1219                         {
1220                                 GetTokenAppend( shaderText, qfalse );
1221                                 strcpy( si->lightImagePath, token );
1222                                 DefaultExtension( si->lightImagePath, ".tga" );
1223                         }
1224
1225                         /* ydnar: skyparms <outer image> <cloud height> <inner image> */
1226                         else if( !Q_stricmp( token, "skyParms" ) )
1227                         {
1228                                 /* get image base */
1229                                 GetTokenAppend( shaderText, qfalse );
1230
1231                                 /* ignore bogus paths */
1232                                 if( Q_stricmp( token, "-" ) && Q_stricmp( token, "full" ) )
1233                                 {
1234                                         strcpy( si->skyParmsImageBase, token );
1235
1236                                         /* use top image as sky light image */
1237                                         if( si->lightImagePath[ 0 ] == '\0' )
1238                                                 sprintf( si->lightImagePath, "%s_up.tga", si->skyParmsImageBase );
1239                                 }
1240
1241                                 /* skip rest of line */
1242                                 GetTokenAppend( shaderText, qfalse );
1243                                 GetTokenAppend( shaderText, qfalse );
1244                         }
1245
1246                         /* -----------------------------------------------------------------
1247                            q3map_* directives
1248                            ----------------------------------------------------------------- */
1249
1250                         /* q3map_sun <red> <green> <blue> <intensity> <degrees> <elevation>
1251                            color will be normalized, so it doesn't matter what range you use
1252                            intensity falls off with angle but not distance 100 is a fairly bright sun
1253                            degree of 0 = from the east, 90 = north, etc.  altitude of 0 = sunrise/set, 90 = noon
1254                            ydnar: sof2map has bareword 'sun' token, so we support that as well */
1255                         else if( !Q_stricmp( token, "sun" ) /* sof2 */ || !Q_stricmp( token, "q3map_sun" ) || !Q_stricmp( token, "q3map_sunExt" ) )
1256                         {
1257                                 float           a, b;
1258                                 sun_t           *sun;
1259                                 qboolean        ext;
1260
1261
1262                                 /* ydnar: extended sun directive? */
1263                                 if( !Q_stricmp( token, "q3map_sunext" ) )
1264                                         ext = qtrue;
1265
1266                                 /* allocate sun */
1267                                 sun = safe_malloc( sizeof( *sun ) );
1268                                 memset( sun, 0, sizeof( *sun ) );
1269
1270                                 /* set style */
1271                                 sun->style = si->lightStyle;
1272
1273                                 /* get color */
1274                                 GetTokenAppend( shaderText, qfalse );
1275                                 sun->color[ 0 ] = atof( token );
1276                                 GetTokenAppend( shaderText, qfalse );
1277                                 sun->color[ 1 ] = atof( token );
1278                                 GetTokenAppend( shaderText, qfalse );
1279                                 sun->color[ 2 ] = atof( token );
1280
1281                                 /* normalize it */
1282                                 VectorNormalize( sun->color, sun->color );
1283
1284                                 /* scale color by brightness */
1285                                 GetTokenAppend( shaderText, qfalse );
1286                                 sun->photons = atof( token );
1287
1288                                 /* get sun angle/elevation */
1289                                 GetTokenAppend( shaderText, qfalse );
1290                                 a = atof( token );
1291                                 a = a / 180.0f * Q_PI;
1292
1293                                 GetTokenAppend( shaderText, qfalse );
1294                                 b = atof( token );
1295                                 b = b / 180.0f * Q_PI;
1296
1297                                 sun->direction[ 0 ] = cos( a ) * cos( b );
1298                                 sun->direction[ 1 ] = sin( a ) * cos( b );
1299                                 sun->direction[ 2 ] = sin( b );
1300
1301                                 /* get filter radius from shader */
1302                                 sun->filterRadius = si->lightFilterRadius;
1303
1304                                 /* ydnar: get sun angular deviance/samples */
1305                                 if( ext && TokenAvailable() )
1306                                 {
1307                                         GetTokenAppend( shaderText, qfalse );
1308                                         sun->deviance = atof( token );
1309                                         sun->deviance = sun->deviance / 180.0f * Q_PI;
1310
1311                                         GetTokenAppend( shaderText, qfalse );
1312                                         sun->numSamples = atoi( token );
1313                                 }
1314
1315                                 /* store sun */
1316                                 sun->next = si->sun;
1317                                 si->sun = sun;
1318
1319                                 /* apply sky surfaceparm */
1320                                 ApplySurfaceParm( "sky", &si->contentFlags, &si->surfaceFlags, &si->compileFlags );
1321
1322                                 /* don't process any more tokens on this line */
1323                                 continue;
1324                         }
1325
1326                         /* match q3map_ */
1327                         else if( !Q_strncasecmp( token, "q3map_", 6 ) )
1328                         {
1329                                 /* ydnar: q3map_baseShader <shader> (inherit this shader's parameters) */
1330                                 if( !Q_stricmp( token, "q3map_baseShader" ) )
1331                                 {
1332                                         shaderInfo_t    *si2;
1333                                         qboolean                oldWarnImage;
1334
1335
1336                                         /* get shader */
1337                                         GetTokenAppend( shaderText, qfalse );
1338                                         //%     Sys_FPrintf( SYS_VRB, "Shader %s has base shader %s\n", si->shader, token );
1339                                         oldWarnImage = warnImage;
1340                                         warnImage = qfalse;
1341                                         si2 = ShaderInfoForShader( token );
1342                                         warnImage = oldWarnImage;
1343
1344                                         /* subclass it */
1345                                         if( si2 != NULL )
1346                                         {
1347                                                 /* preserve name */
1348                                                 strcpy( temp, si->shader );
1349
1350                                                 /* copy shader */
1351                                                 memcpy( si, si2, sizeof( *si ) );
1352
1353                                                 /* restore name and set to unfinished */
1354                                                 strcpy( si->shader, temp );
1355                                                 si->shaderWidth = 0;
1356                                                 si->shaderHeight = 0;
1357                                                 si->finished = qfalse;
1358                                         }
1359                                 }
1360
1361                                 /* ydnar: q3map_surfacemodel <path to model> <density> <min scale> <max scale> <min angle> <max angle> <oriented (0 or 1)> */
1362                                 else if( !Q_stricmp( token, "q3map_surfacemodel" ) )
1363                                 {
1364                                         surfaceModel_t  *model;
1365
1366
1367                                         /* allocate new model and attach it */
1368                                         model = safe_malloc( sizeof( *model ) );
1369                                         memset( model, 0, sizeof( *model ) );
1370                                         model->next = si->surfaceModel;
1371                                         si->surfaceModel = model;
1372
1373                                         /* get parameters */
1374                                         GetTokenAppend( shaderText, qfalse );
1375                                         strcpy( model->model, token );
1376
1377                                         GetTokenAppend( shaderText, qfalse );
1378                                         model->density = atof( token );
1379                                         GetTokenAppend( shaderText, qfalse );
1380                                         model->odds = atof( token );
1381
1382                                         GetTokenAppend( shaderText, qfalse );
1383                                         model->minScale = atof( token );
1384                                         GetTokenAppend( shaderText, qfalse );
1385                                         model->maxScale = atof( token );
1386
1387                                         GetTokenAppend( shaderText, qfalse );
1388                                         model->minAngle = atof( token );
1389                                         GetTokenAppend( shaderText, qfalse );
1390                                         model->maxAngle = atof( token );
1391
1392                                         GetTokenAppend( shaderText, qfalse );
1393                                         model->oriented = (token[ 0 ] == '1' ? qtrue : qfalse);
1394                                 }
1395
1396                                 /* ydnar/sd: q3map_foliage <path to model> <scale> <density> <odds> <invert alpha (1 or 0)> */
1397                                 else if( !Q_stricmp( token, "q3map_foliage" ) )
1398                                 {
1399                                         foliage_t       *foliage;
1400
1401
1402                                         /* allocate new foliage struct and attach it */
1403                                         foliage = safe_malloc( sizeof( *foliage ) );
1404                                         memset( foliage, 0, sizeof( *foliage ) );
1405                                         foliage->next = si->foliage;
1406                                         si->foliage = foliage;
1407
1408                                         /* get parameters */
1409                                         GetTokenAppend( shaderText, qfalse );
1410                                         strcpy( foliage->model, token );
1411
1412                                         GetTokenAppend( shaderText, qfalse );
1413                                         foliage->scale = atof( token );
1414                                         GetTokenAppend( shaderText, qfalse );
1415                                         foliage->density = atof( token );
1416                                         GetTokenAppend( shaderText, qfalse );
1417                                         foliage->odds = atof( token );
1418                                         GetTokenAppend( shaderText, qfalse );
1419                                         foliage->inverseAlpha = atoi( token );
1420                                 }
1421
1422                                 /* ydnar: q3map_bounce <value> (fraction of light to re-emit during radiosity passes) */
1423                                 else if( !Q_stricmp( token, "q3map_bounce" ) || !Q_stricmp( token, "q3map_bounceScale" ) )
1424                                 {
1425                                         GetTokenAppend( shaderText, qfalse );
1426                                         si->bounceScale = atof( token );
1427                                 }
1428
1429                                 /* ydnar/splashdamage: q3map_skyLight <value> <iterations> */
1430                                 else if( !Q_stricmp( token, "q3map_skyLight" )  )
1431                                 {
1432                                         GetTokenAppend( shaderText, qfalse );
1433                                         si->skyLightValue = atof( token );
1434                                         GetTokenAppend( shaderText, qfalse );
1435                                         si->skyLightIterations = atoi( token );
1436
1437                                         /* clamp */
1438                                         if( si->skyLightValue < 0.0f )
1439                                                 si->skyLightValue = 0.0f;
1440                                         if( si->skyLightIterations < 2 )
1441                                                 si->skyLightIterations = 2;
1442                                 }
1443
1444                                 /* q3map_surfacelight <value> */
1445                                 else if( !Q_stricmp( token, "q3map_surfacelight" )  )
1446                                 {
1447                                         GetTokenAppend( shaderText, qfalse );
1448                                         si->value = atof( token );
1449                                 }
1450
1451                                 /* q3map_lightStyle (sof2/jk2 lightstyle) */
1452                                 else if( !Q_stricmp( token, "q3map_lightStyle" ) )
1453                                 {
1454                                         GetTokenAppend( shaderText, qfalse );
1455                                         val = atoi( token );
1456                                         if( val < 0 )
1457                                                 val = 0;
1458                                         else if( val > LS_NONE )
1459                                                 val = LS_NONE;
1460                                         si->lightStyle = val;
1461                                 }
1462
1463                                 /* wolf: q3map_lightRGB <red> <green> <blue> */
1464                                 else if( !Q_stricmp( token, "q3map_lightRGB" ) )
1465                                 {
1466                                         VectorClear( si->color );
1467                                         GetTokenAppend( shaderText, qfalse );
1468                                         si->color[ 0 ] = atof( token );
1469                                         GetTokenAppend( shaderText, qfalse );
1470                                         si->color[ 1 ] = atof( token );
1471                                         GetTokenAppend( shaderText, qfalse );
1472                                         si->color[ 2 ] = atof( token );
1473                                         ColorNormalize( si->color, si->color );
1474                                 }
1475
1476                                 /* q3map_lightSubdivide <value> */
1477                                 else if( !Q_stricmp( token, "q3map_lightSubdivide" )  )
1478                                 {
1479                                         GetTokenAppend( shaderText, qfalse );
1480                                         si->lightSubdivide = atoi( token );
1481                                 }
1482
1483                                 /* q3map_backsplash <percent> <distance> */
1484                                 else if( !Q_stricmp( token, "q3map_backsplash" ) )
1485                                 {
1486                                         GetTokenAppend( shaderText, qfalse );
1487                                         si->backsplashFraction = atof( token ) * 0.01f;
1488                                         GetTokenAppend( shaderText, qfalse );
1489                                         si->backsplashDistance = atof( token );
1490                                 }
1491
1492                                 /* q3map_lightmapSampleSize <value> */
1493                                 else if( !Q_stricmp( token, "q3map_lightmapSampleSize" ) )
1494                                 {
1495                                         GetTokenAppend( shaderText, qfalse );
1496                                         si->lightmapSampleSize = atoi( token );
1497                                 }
1498
1499                                 /* q3map_lightmapSampleSffset <value> */
1500                                 else if( !Q_stricmp( token, "q3map_lightmapSampleOffset" ) )
1501                                 {
1502                                         GetTokenAppend( shaderText, qfalse );
1503                                         si->lightmapSampleOffset = atof( token );
1504                                 }
1505
1506                                 /* ydnar: q3map_lightmapFilterRadius <self> <other> */
1507                                 else if( !Q_stricmp( token, "q3map_lightmapFilterRadius" ) )
1508                                 {
1509                                         GetTokenAppend( shaderText, qfalse );
1510                                         si->lmFilterRadius = atof( token );
1511                                         GetTokenAppend( shaderText, qfalse );
1512                                         si->lightFilterRadius = atof( token );
1513                                 }
1514
1515                                 /* ydnar: q3map_lightmapAxis [xyz] */
1516                                 else if( !Q_stricmp( token, "q3map_lightmapAxis" ) )
1517                                 {
1518                                         GetTokenAppend( shaderText, qfalse );
1519                                         if( !Q_stricmp( token, "x" ) )
1520                                                 VectorSet( si->lightmapAxis, 1, 0, 0 );
1521                                         else if( !Q_stricmp( token, "y" ) )
1522                                                 VectorSet( si->lightmapAxis, 0, 1, 0 );
1523                                         else if( !Q_stricmp( token, "z" ) )
1524                                                 VectorSet( si->lightmapAxis, 0, 0, 1 );
1525                                         else
1526                                         {
1527                                                 Sys_Printf( "WARNING: Unknown value for lightmap axis: %s\n", token );
1528                                                 VectorClear( si->lightmapAxis );
1529                                         }
1530                                 }
1531
1532                                 /* ydnar: q3map_lightmapSize <width> <height> (for autogenerated shaders + external tga lightmaps) */
1533                                 else if( !Q_stricmp( token, "q3map_lightmapSize" ) )
1534                                 {
1535                                         GetTokenAppend( shaderText, qfalse );
1536                                         si->lmCustomWidth = atoi( token );
1537                                         GetTokenAppend( shaderText, qfalse );
1538                                         si->lmCustomHeight = atoi( token );
1539
1540                                         /* must be a power of 2 */
1541                                         if( ((si->lmCustomWidth - 1) & si->lmCustomWidth) ||
1542                                                 ((si->lmCustomHeight - 1) & si->lmCustomHeight) )
1543                                         {
1544                                                 Sys_Printf( "WARNING: Non power-of-two lightmap size specified (%d, %d)\n",
1545                                                          si->lmCustomWidth, si->lmCustomHeight );
1546                                                 si->lmCustomWidth = lmCustomSize;
1547                                                 si->lmCustomHeight = lmCustomSize;
1548                                         }
1549                                 }
1550
1551                                 /* ydnar: q3map_lightmapBrightness N (for autogenerated shaders + external tga lightmaps) */
1552                                 else if( !Q_stricmp( token, "q3map_lightmapBrightness" ) || !Q_stricmp( token, "q3map_lightmapGamma" ) )
1553                                 {
1554                                         GetTokenAppend( shaderText, qfalse );
1555                                         si->lmBrightness = atof( token );
1556                                         if( si->lmBrightness < 0 )
1557                                                 si->lmBrightness = 1.0;
1558                                 }
1559
1560                                 /* q3map_vertexScale (scale vertex lighting by this fraction) */
1561                                 else if( !Q_stricmp( token, "q3map_vertexScale" ) )
1562                                 {
1563                                         GetTokenAppend( shaderText, qfalse );
1564                                         si->vertexScale = atof( token );
1565                                 }
1566
1567                                 /* q3map_noVertexLight */
1568                                 else if( !Q_stricmp( token, "q3map_noVertexLight" )  )
1569                                 {
1570                                         si->noVertexLight = qtrue;
1571                                 }
1572
1573                                 /* q3map_flare[Shader] <shader> */
1574                                 else if( !Q_stricmp( token, "q3map_flare" ) || !Q_stricmp( token, "q3map_flareShader" ) )
1575                                 {
1576                                         GetTokenAppend( shaderText, qfalse );
1577                                         if( token[ 0 ] != '\0' )
1578                                         {
1579                                                 si->flareShader = safe_malloc( strlen( token ) + 1 );
1580                                                 strcpy( si->flareShader, token );
1581                                         }
1582                                 }
1583
1584                                 /* q3map_backShader <shader> */
1585                                 else if( !Q_stricmp( token, "q3map_backShader" ) )
1586                                 {
1587                                         GetTokenAppend( shaderText, qfalse );
1588                                         if( token[ 0 ] != '\0' )
1589                                         {
1590                                                 si->backShader = safe_malloc( strlen( token ) + 1 );
1591                                                 strcpy( si->backShader, token );
1592                                         }
1593                                 }
1594
1595                                 /* ydnar: q3map_cloneShader <shader> */
1596                                 else if ( !Q_stricmp( token, "q3map_cloneShader" ) )
1597                                 {
1598                                         GetTokenAppend( shaderText, qfalse );
1599                                         if( token[ 0 ] != '\0' )
1600                                         {
1601                                                 si->cloneShader = safe_malloc( strlen( token ) + 1 );
1602                                                 strcpy( si->cloneShader, token );
1603                                         }
1604                                 }
1605
1606                                 /* q3map_remapShader <shader> */
1607                                 else if( !Q_stricmp( token, "q3map_remapShader" ) )
1608                                 {
1609                                         GetTokenAppend( shaderText, qfalse );
1610                                         if( token[ 0 ] != '\0' )
1611                                         {
1612                                                 si->remapShader = safe_malloc( strlen( token ) + 1 );
1613                                                 strcpy( si->remapShader, token );
1614                                         }
1615                                 }
1616
1617                                 /* ydnar: q3map_offset <value> */
1618                                 else if( !Q_stricmp( token, "q3map_offset" ) )
1619                                 {
1620                                         GetTokenAppend( shaderText, qfalse );
1621                                         si->offset = atof( token );
1622                                 }
1623
1624                                 /* ydnar: q3map_textureSize <width> <height> (substitute for q3map_lightimage derivation for terrain) */
1625                                 else if( !Q_stricmp( token, "q3map_fur" ) )
1626                                 {
1627                                         GetTokenAppend( shaderText, qfalse );
1628                                         si->furNumLayers = atoi( token );
1629                                         GetTokenAppend( shaderText, qfalse );
1630                                         si->furOffset = atof( token );
1631                                         GetTokenAppend( shaderText, qfalse );
1632                                         si->furFade = atof( token );
1633                                 }
1634
1635                                 /* ydnar: gs mods: legacy support for terrain/terrain2 shaders */
1636                                 else if( !Q_stricmp( token, "q3map_terrain" ) )
1637                                 {
1638                                         /* team arena terrain is assumed to be nonplanar, with full normal averaging,
1639                                            passed through the metatriangle surface pipeline, with a lightmap axis on z */
1640                                         si->legacyTerrain = qtrue;
1641                                         si->noClip = qtrue;
1642                                         si->notjunc = qtrue;
1643                                         si->indexed = qtrue;
1644                                         si->nonplanar = qtrue;
1645                                         si->forceMeta = qtrue;
1646                                         si->shadeAngleDegrees = 179.0f;
1647                                         //%     VectorSet( si->lightmapAxis, 0, 0, 1 ); /* ydnar 2002-09-21: turning this off for better lightmapping of cliff faces */
1648                                 }
1649
1650                                 /* ydnar: picomodel: q3map_forceMeta (forces brush faces and/or triangle models to go through the metasurface pipeline) */
1651                                 else if( !Q_stricmp( token, "q3map_forceMeta" ) )
1652                                 {
1653                                         si->forceMeta = qtrue;
1654                                 }
1655
1656                                 /* ydnar: gs mods: q3map_shadeAngle <degrees> */
1657                                 else if( !Q_stricmp( token, "q3map_shadeAngle" ) )
1658                                 {
1659                                         GetTokenAppend( shaderText, qfalse );
1660                                         si->shadeAngleDegrees = atof( token );
1661                                 }
1662
1663                                 /* ydnar: q3map_textureSize <width> <height> (substitute for q3map_lightimage derivation for terrain) */
1664                                 else if( !Q_stricmp( token, "q3map_textureSize" ) )
1665                                 {
1666                                         GetTokenAppend( shaderText, qfalse );
1667                                         si->shaderWidth = atoi( token );
1668                                         GetTokenAppend( shaderText, qfalse );
1669                                         si->shaderHeight = atoi( token );
1670                                 }
1671
1672                                 /* ydnar: gs mods: q3map_tcGen <style> <parameters> */
1673                                 else if( !Q_stricmp( token, "q3map_tcGen" ) )
1674                                 {
1675                                         si->tcGen = qtrue;
1676                                         GetTokenAppend( shaderText, qfalse );
1677
1678                                         /* q3map_tcGen vector <s vector> <t vector> */
1679                                         if( !Q_stricmp( token, "vector" ) )
1680                                         {
1681                                                 Parse1DMatrixAppend( shaderText, 3, si->vecs[ 0 ] );
1682                                                 Parse1DMatrixAppend( shaderText, 3, si->vecs[ 1 ] );
1683                                         }
1684
1685                                         /* q3map_tcGen ivector <1.0/s vector> <1.0/t vector> (inverse vector, easier for mappers to understand) */
1686                                         else if( !Q_stricmp( token, "ivector" ) )
1687                                         {
1688                                                 Parse1DMatrixAppend( shaderText, 3, si->vecs[ 0 ] );
1689                                                 Parse1DMatrixAppend( shaderText, 3, si->vecs[ 1 ] );
1690                                                 for( i = 0; i < 3; i++ )
1691                                                 {
1692                                                         si->vecs[ 0 ][ i ] = si->vecs[ 0 ][ i ] ? 1.0 / si->vecs[ 0 ][ i ] : 0;
1693                                                         si->vecs[ 1 ][ i ] = si->vecs[ 1 ][ i ] ? 1.0 / si->vecs[ 1 ][ i ] : 0;
1694                                                 }
1695                                         }
1696                                         else
1697                                         {
1698                                                 Sys_Printf( "WARNING: Unknown q3map_tcGen method: %s\n", token );
1699                                                 VectorClear( si->vecs[ 0 ] );
1700                                                 VectorClear( si->vecs[ 1 ] );
1701                                         }
1702                                 }
1703
1704                                 /* ydnar: gs mods: q3map_[color|rgb|alpha][Gen|Mod] <style> <parameters> */
1705                                 else if( !Q_stricmp( token, "q3map_colorGen" ) || !Q_stricmp( token, "q3map_colorMod" ) ||
1706                                         !Q_stricmp( token, "q3map_rgbGen" ) || !Q_stricmp( token, "q3map_rgbMod" ) ||
1707                                         !Q_stricmp( token, "q3map_alphaGen" ) || !Q_stricmp( token, "q3map_alphaMod" ) )
1708                                 {
1709                                         colorMod_t      *cm, *cm2;
1710                                         int                     alpha;
1711
1712
1713                                         /* alphamods are colormod + 1 */
1714                                         alpha = (!Q_stricmp( token, "q3map_alphaGen" ) || !Q_stricmp( token, "q3map_alphaMod" )) ? 1 : 0;
1715
1716                                         /* allocate new colormod */
1717                                         cm = safe_malloc( sizeof( *cm ) );
1718                                         memset( cm, 0, sizeof( *cm ) );
1719
1720                                         /* attach to shader */
1721                                         if( si->colorMod == NULL )
1722                                                 si->colorMod = cm;
1723                                         else
1724                                         {
1725                                                 for( cm2 = si->colorMod; cm2 != NULL; cm2 = cm2->next )
1726                                                 {
1727                                                         if( cm2->next == NULL )
1728                                                         {
1729                                                                 cm2->next = cm;
1730                                                                 break;
1731                                                         }
1732                                                 }
1733                                         }
1734
1735                                         /* get type */
1736                                         GetTokenAppend( shaderText, qfalse );
1737
1738                                         /* alpha set|const A */
1739                                         if( alpha && (!Q_stricmp( token, "set" ) || !Q_stricmp( token, "const" )) )
1740                                         {
1741                                                 cm->type = CM_ALPHA_SET;
1742                                                 GetTokenAppend( shaderText, qfalse );
1743                                                 cm->data[ 0 ] = atof( token );
1744                                         }
1745
1746                                         /* color|rgb set|const ( X Y Z ) */
1747                                         else if( !Q_stricmp( token, "set" ) || !Q_stricmp( token, "const" ) )
1748                                         {
1749                                                 cm->type = CM_COLOR_SET;
1750                                                 Parse1DMatrixAppend( shaderText, 3, cm->data );
1751                                         }
1752
1753                                         /* alpha scale A */
1754                                         else if( alpha && !Q_stricmp( token, "scale" ) )
1755                                         {
1756                                                 cm->type = CM_ALPHA_SCALE;
1757                                                 GetTokenAppend( shaderText, qfalse );
1758                                                 cm->data[ 0 ] = atof( token );
1759                                         }
1760
1761                                         /* color|rgb scale ( X Y Z ) */
1762                                         else if( !Q_stricmp( token, "scale" ) )
1763                                         {
1764                                                 cm->type = CM_COLOR_SCALE;
1765                                                 Parse1DMatrixAppend( shaderText, 3, cm->data );
1766                                         }
1767
1768                                         /* dotProduct ( X Y Z ) */
1769                                         else if( !Q_stricmp( token, "dotProduct" ) )
1770                                         {
1771                                                 cm->type = CM_COLOR_DOT_PRODUCT + alpha;
1772                                                 Parse1DMatrixAppend( shaderText, 3, cm->data );
1773                                         }
1774
1775                                         /* dotProduct2 ( X Y Z ) */
1776                                         else if( !Q_stricmp( token, "dotProduct2" ) )
1777                                         {
1778                                                 cm->type = CM_COLOR_DOT_PRODUCT_2 + alpha;
1779                                                 Parse1DMatrixAppend( shaderText, 3, cm->data );
1780                                         }
1781
1782                                         /* dotProduct2scale ( X Y Z MIN MAX ) */
1783                                         else if( !Q_stricmp( token, "dotProduct2scale" ) )
1784                                         {
1785                                                 cm->type = CM_COLOR_DOT_PRODUCT_2_SCALE + alpha;
1786                                                 Parse1DMatrixAppend( shaderText, 5, cm->data );
1787                                         }
1788
1789                                         /* volume */
1790                                         else if( !Q_stricmp( token, "volume" ) )
1791                                         {
1792                                                 /* special stub mode for flagging volume brushes */
1793                                                 cm->type = CM_VOLUME;
1794                                         }
1795
1796                                         /* unknown */
1797                                         else
1798                                                 Sys_Printf( "WARNING: Unknown colorMod method: %s\n", token );
1799                                 }
1800
1801                                 /* ydnar: gs mods: q3map_tcMod <style> <parameters> */
1802                                 else if( !Q_stricmp( token, "q3map_tcMod" ) )
1803                                 {
1804                                         float   a, b;
1805
1806
1807                                         GetTokenAppend( shaderText, qfalse );
1808
1809                                         /* q3map_tcMod [translate | shift | offset] <s> <t> */
1810                                         if( !Q_stricmp( token, "translate" ) || !Q_stricmp( token, "shift" ) || !Q_stricmp( token, "offset" ) )
1811                                         {
1812                                                 GetTokenAppend( shaderText, qfalse );
1813                                                 a = atof( token );
1814                                                 GetTokenAppend( shaderText, qfalse );
1815                                                 b = atof( token );
1816
1817                                                 TCModTranslate( si->mod, a, b );
1818                                         }
1819
1820                                         /* q3map_tcMod scale <s> <t> */
1821                                         else if( !Q_stricmp( token, "scale" ) )
1822                                         {
1823                                                 GetTokenAppend( shaderText, qfalse );
1824                                                 a = atof( token );
1825                                                 GetTokenAppend( shaderText, qfalse );
1826                                                 b = atof( token );
1827
1828                                                 TCModScale( si->mod, a, b );
1829                                         }
1830
1831                                         /* q3map_tcMod rotate <s> <t> (fixme: make this communitive) */
1832                                         else if( !Q_stricmp( token, "rotate" ) )
1833                                         {
1834                                                 GetTokenAppend( shaderText, qfalse );
1835                                                 a = atof( token );
1836                                                 TCModRotate( si->mod, a );
1837                                         }
1838                                         else
1839                                                 Sys_Printf( "WARNING: Unknown q3map_tcMod method: %s\n", token );
1840                                 }
1841
1842                                 /* q3map_fogDir (direction a fog shader fades from transparent to opaque) */
1843                                 else if( !Q_stricmp( token, "q3map_fogDir" ) )
1844                                 {
1845                                         Parse1DMatrixAppend( shaderText, 3, si->fogDir );
1846                                         VectorNormalize( si->fogDir, si->fogDir );
1847                                 }
1848
1849                                 /* q3map_globaltexture */
1850                                 else if( !Q_stricmp( token, "q3map_globaltexture" )  )
1851                                         si->globalTexture = qtrue;
1852
1853                                 /* ydnar: gs mods: q3map_nonplanar (make it a nonplanar merge candidate for meta surfaces) */
1854                                 else if( !Q_stricmp( token, "q3map_nonplanar" ) )
1855                                         si->nonplanar = qtrue;
1856
1857                                 /* ydnar: gs mods: q3map_noclip (preserve original face winding, don't clip by bsp tree) */
1858                                 else if( !Q_stricmp( token, "q3map_noclip" ) )
1859                                         si->noClip = qtrue;
1860
1861                                 /* q3map_notjunc */
1862                                 else if( !Q_stricmp( token, "q3map_notjunc" ) )
1863                                         si->notjunc = qtrue;
1864
1865                                 /* q3map_nofog */
1866                                 else if( !Q_stricmp( token, "q3map_nofog" ) )
1867                                         si->noFog = qtrue;
1868
1869                                 /* ydnar: gs mods: q3map_indexed (for explicit terrain-style indexed mapping) */
1870                                 else if( !Q_stricmp( token, "q3map_indexed" ) )
1871                                         si->indexed = qtrue;
1872
1873                                 /* ydnar: q3map_invert (inverts a drawsurface's facing) */
1874                                 else if( !Q_stricmp( token, "q3map_invert" ) )
1875                                         si->invert = qtrue;
1876
1877                                 /* ydnar: gs mods: q3map_lightmapMergable (ok to merge non-planar */
1878                                 else if( !Q_stricmp( token, "q3map_lightmapMergable" ) )
1879                                         si->lmMergable = qtrue;
1880
1881                                 /* ydnar: q3map_nofast */
1882                                 else if( !Q_stricmp( token, "q3map_noFast" ) )
1883                                         si->noFast = qtrue;
1884
1885                                 /* q3map_patchshadows */
1886                                 else if( !Q_stricmp( token, "q3map_patchShadows" ) )
1887                                         si->patchShadows = qtrue;
1888
1889                                 /* q3map_vertexshadows */
1890                                 else if( !Q_stricmp( token, "q3map_vertexShadows" ) )
1891                                         si->vertexShadows = qtrue;      /* ydnar */
1892
1893                                 /* q3map_novertexshadows */
1894                                 else if( !Q_stricmp( token, "q3map_noVertexShadows" ) )
1895                                         si->vertexShadows = qfalse;     /* ydnar */
1896
1897                                 /* q3map_splotchfix (filter dark lightmap luxels on lightmapped models) */
1898                                 else if( !Q_stricmp( token, "q3map_splotchfix" ) )
1899                                         si->splotchFix = qtrue; /* ydnar */
1900
1901                                 /* q3map_forcesunlight */
1902                                 else if( !Q_stricmp( token, "q3map_forceSunlight" ) )
1903                                         si->forceSunlight = qtrue;
1904
1905                                 /* q3map_onlyvertexlighting (sof2) */
1906                                 else if( !Q_stricmp( token, "q3map_onlyVertexLighting" ) )
1907                                         ApplySurfaceParm( "pointlight", &si->contentFlags, &si->surfaceFlags, &si->compileFlags );
1908
1909                                 /* q3map_material (sof2) */
1910                                 else if( !Q_stricmp( token, "q3map_material" ) )
1911                                 {
1912                                         GetTokenAppend( shaderText, qfalse );
1913                                         sprintf( temp, "*mat_%s", token );
1914                                         if( ApplySurfaceParm( temp, &si->contentFlags, &si->surfaceFlags, &si->compileFlags ) == qfalse )
1915                                                 Sys_Printf( "WARNING: Unknown material \"%s\"\n", token );
1916                                 }
1917
1918                                 /* ydnar: q3map_clipmodel (autogenerate clip brushes for model triangles using this shader) */
1919                                 else if( !Q_stricmp( token, "q3map_clipmodel" )  )
1920                                         si->clipModel = qtrue;
1921
1922                                 /* ydnar: q3map_styleMarker[2] */
1923                                 else if( !Q_stricmp( token, "q3map_styleMarker" ) )
1924                                         si->styleMarker = 1;
1925                                 else if( !Q_stricmp( token, "q3map_styleMarker2" ) )    /* uses depthFunc equal */
1926                                         si->styleMarker = 2;
1927
1928                                 /* ydnar: default to searching for q3map_<surfaceparm> */
1929                                 else
1930                                 {
1931                                         //%     Sys_FPrintf( SYS_VRB, "Attempting to match %s with a known surfaceparm\n", token );
1932                                         if( ApplySurfaceParm( &token[ 6 ], &si->contentFlags, &si->surfaceFlags, &si->compileFlags ) == qfalse )
1933                                                 ;//%    Sys_Printf( "WARNING: Unknown q3map_* directive \"%s\"\n", token );
1934                                 }
1935                         }
1936
1937
1938                         /* -----------------------------------------------------------------
1939                            skip
1940                            ----------------------------------------------------------------- */
1941
1942                         /* ignore all other tokens on the line */
1943                         while( TokenAvailable() && GetTokenAppend( shaderText, qfalse ) );
1944                 }
1945         }
1946 }
1947
1948
1949
1950 /*
1951 ParseCustomInfoParms() - rr2do2
1952 loads custom info parms file for mods
1953 */
1954
1955 static void ParseCustomInfoParms( void )
1956 {
1957         qboolean parsedContent, parsedSurface;
1958
1959
1960         /* file exists? */
1961         if( vfsGetFileCount( "scripts/custinfoparms.txt" ) == 0 )
1962                 return;
1963
1964         /* load it */
1965         LoadScriptFile( "scripts/custinfoparms.txt", 0 );
1966
1967         /* clear the array */
1968         memset( custSurfaceParms, 0, sizeof( custSurfaceParms ) );
1969         numCustSurfaceParms = 0;
1970         parsedContent = parsedSurface = qfalse;
1971
1972         /* parse custom contentflags */
1973         MatchToken( "{" );
1974         while ( 1 )
1975         {
1976                 if ( !GetToken( qtrue ) )
1977                         break;
1978
1979                 if ( !strcmp( token, "}" ) ) {
1980                         parsedContent = qtrue;
1981                         break;
1982                 }
1983
1984                 custSurfaceParms[ numCustSurfaceParms ].name = safe_malloc( MAX_OS_PATH );
1985                 strcpy( custSurfaceParms[ numCustSurfaceParms ].name, token );
1986                 GetToken( qfalse );
1987                 sscanf( token, "%x", &custSurfaceParms[ numCustSurfaceParms ].contentFlags );
1988                 numCustSurfaceParms++;
1989         }
1990
1991         /* any content? */
1992         if( !parsedContent )
1993         {
1994                 Sys_Printf( "WARNING: Couldn't find valid custom contentsflag section\n" );
1995                 return;
1996         }
1997
1998         /* parse custom surfaceflags */
1999         MatchToken( "{" );
2000         while( 1 )
2001         {
2002                 if( !GetToken( qtrue ) )
2003                         break;
2004
2005                 if( !strcmp( token, "}" ) )
2006                 {
2007                         parsedSurface = qtrue;
2008                         break;
2009                 }
2010
2011                 custSurfaceParms[ numCustSurfaceParms ].name = safe_malloc( MAX_OS_PATH );
2012                 strcpy( custSurfaceParms[ numCustSurfaceParms ].name, token );
2013                 GetToken( qfalse );
2014                 sscanf( token, "%x", &custSurfaceParms[ numCustSurfaceParms ].surfaceFlags );
2015                 numCustSurfaceParms++;
2016         }
2017
2018         /* any content? */
2019         if( !parsedContent )
2020                 Sys_Printf( "WARNING: Couldn't find valid custom surfaceflag section\n" );
2021 }
2022
2023
2024
2025 /*
2026 LoadShaderInfo()
2027 the shaders are parsed out of shaderlist.txt from a main directory
2028 that is, if using -fs_game we ignore the shader scripts that might be in baseq3/
2029 on linux there's an additional twist, we actually merge the stuff from ~/.q3a/ and from the base dir
2030 */
2031
2032 #define MAX_SHADER_FILES        1024
2033
2034 void LoadShaderInfo( void )
2035 {
2036         int                             i, j, numShaderFiles, count;
2037         char                    filename[ 1024 ];
2038         char                    *shaderFiles[ MAX_SHADER_FILES ];
2039
2040
2041         /* rr2do2: parse custom infoparms first */
2042         if( useCustomInfoParms )
2043                 ParseCustomInfoParms();
2044
2045         /* start with zero */
2046         numShaderFiles = 0;
2047
2048         /* we can pile up several shader files, the one in baseq3 and ones in the mod dir or other spots */
2049         sprintf( filename, "%s/shaderlist.txt", game->shaderPath );
2050         count = vfsGetFileCount( filename );
2051
2052         /* load them all */
2053         for( i = 0; i < count; i++ )
2054         {
2055                 /* load shader list */
2056                 sprintf( filename, "%s/shaderlist.txt", game->shaderPath );
2057                 LoadScriptFile( filename, i );
2058
2059                 /* parse it */
2060                 while( GetToken( qtrue ) )
2061                 {
2062                         /* check for duplicate entries */
2063                         for( j = 0; j < numShaderFiles; j++ )
2064                                 if( !strcmp( shaderFiles[ j ], token ) )
2065                                         break;
2066
2067                         /* test limit */
2068                         if( j >= MAX_SHADER_FILES )
2069                                 Error( "MAX_SHADER_FILES (%d) reached, trim your shaderlist.txt!", (int) MAX_SHADER_FILES );
2070
2071                         /* new shader file */
2072                         if( j == numShaderFiles )
2073                         {
2074                                 shaderFiles[ numShaderFiles ] = safe_malloc( MAX_OS_PATH );
2075                                 strcpy( shaderFiles[ numShaderFiles ], token );
2076                                 numShaderFiles++;
2077                         }
2078                 }
2079         }
2080
2081         /* parse the shader files */
2082         for( i = 0; i < numShaderFiles; i++ )
2083         {
2084                 sprintf( filename, "%s/%s.shader", game->shaderPath, shaderFiles[ i ] );
2085                 ParseShaderFile( filename );
2086                 free( shaderFiles[ i ] );
2087         }
2088
2089         /* emit some statistics */
2090         Sys_FPrintf( SYS_VRB, "%9d shaderInfo\n", numShaderInfo );
2091 }