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