tools/quake3/q3map2/model.c

   1 /*
   2 Copyright (C) 1999-2007 id Software, Inc. and contributors.
   3 For a list of contributors, see the accompanying CONTRIBUTORS file.
   4
   5 This file is part of GtkRadiant.
   6
   7 GtkRadiant is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 2 of the License, or
  10 (at your option) any later version.
  11
  12 GtkRadiant is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with GtkRadiant; if not, write to the Free Software
  19 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  20
  21 ----------------------------------------------------------------------------------
  22
  23 This code has been altered significantly from its original form, to support
  24 several games based on the Quake III Arena engine, in the form of "Q3Map2."
  25
  26 ------------------------------------------------------------------------------- */
  27
  28
  29
  30 /* marker */
  31 #define MODEL_C
  32
  33
  34
  35 /* dependencies */
  36 #include "q3map2.h"
  37
  38
  39
  40 /*
  41 PicoPrintFunc()
  42 callback for picomodel.lib
  43 */
  44
  45 void PicoPrintFunc( int level, const char *str )
  46 {
  47         if( str == NULL )
  48                 return;
  49         switch( level )
  50         {
  51                 case PICO_NORMAL:
  52                         Sys_Printf( "%s\n", str );
  53                         break;
  54
  55                 case PICO_VERBOSE:
  56                         Sys_FPrintf( SYS_VRB, "%s\n", str );
  57                         break;
  58
  59                 case PICO_WARNING:
  60                         Sys_Printf( "WARNING: %s\n", str );
  61                         break;
  62
  63                 case PICO_ERROR:
  64                         Sys_Printf( "ERROR: %s\n", str );
  65                         break;
  66
  67                 case PICO_FATAL:
  68                         Error( "ERROR: %s\n", str );
  69                         break;
  70         }
  71 }
  72
  73
  74
  75 /*
  76 PicoLoadFileFunc()
  77 callback for picomodel.lib
  78 */
  79
  80 void PicoLoadFileFunc( char *name, byte **buffer, int *bufSize )
  81 {
  82         *bufSize = vfsLoadFile( (const char*) name, (void**) buffer, 0 );
  83 }
  84
  85
  86
  87 /*
  88 FindModel() - ydnar
  89 finds an existing picoModel and returns a pointer to the picoModel_t struct or NULL if not found
  90 */
  91
  92 picoModel_t *FindModel( char *name, int frame )
  93 {
  94         int                     i;
  95
  96
  97         /* init */
  98         if( numPicoModels <= 0 )
  99                 memset( picoModels, 0, sizeof( picoModels ) );
 100
 101         /* dummy check */
 102         if( name == NULL || name[ 0 ] == '\0' )
 103                 return NULL;
 104
 105         /* search list */
 106         for( i = 0; i < MAX_MODELS; i++ )
 107         {
 108                 if( picoModels[ i ] != NULL &&
 109                         !strcmp( PicoGetModelName( picoModels[ i ] ), name ) &&
 110                         PicoGetModelFrameNum( picoModels[ i ] ) == frame )
 111                         return picoModels[ i ];
 112         }
 113
 114         /* no matching picoModel found */
 115         return NULL;
 116 }
 117
 118
 119
 120 /*
 121 LoadModel() - ydnar
 122 loads a picoModel and returns a pointer to the picoModel_t struct or NULL if not found
 123 */
 124
 125 picoModel_t *LoadModel( char *name, int frame )
 126 {
 127         int                             i;
 128         picoModel_t             *model, **pm;
 129
 130
 131         /* init */
 132         if( numPicoModels <= 0 )
 133                 memset( picoModels, 0, sizeof( picoModels ) );
 134
 135         /* dummy check */
 136         if( name == NULL || name[ 0 ] == '\0' )
 137                 return NULL;
 138
 139         /* try to find existing picoModel */
 140         model = FindModel( name, frame );
 141         if( model != NULL )
 142                 return model;
 143
 144         /* none found, so find first non-null picoModel */
 145         pm = NULL;
 146         for( i = 0; i < MAX_MODELS; i++ )
 147         {
 148                 if( picoModels[ i ] == NULL )
 149                 {
 150                         pm = &picoModels[ i ];
 151                         break;
 152                 }
 153         }
 154
 155         /* too many picoModels? */
 156         if( pm == NULL )
 157                 Error( "MAX_MODELS (%d) exceeded, there are too many model files referenced by the map.", MAX_MODELS );
 158
 159         /* attempt to parse model */
 160         *pm = PicoLoadModel( (char*) name, frame );
 161
 162         /* if loading failed, make a bogus model to silence the rest of the warnings */
 163         if( *pm == NULL )
 164         {
 165                 /* allocate a new model */
 166                 *pm = PicoNewModel();
 167                 if( *pm == NULL )
 168                         return NULL;
 169
 170                 /* set data */
 171                 PicoSetModelName( *pm, name );
 172                 PicoSetModelFrameNum( *pm, frame );
 173         }
 174
 175         /* debug code */
 176         #if 0
 177         {
 178                 int                             numSurfaces, numVertexes;
 179                 picoSurface_t   *ps;
 180
 181
 182                 Sys_Printf( "Model %s\n", name );
 183                 numSurfaces = PicoGetModelNumSurfaces( *pm );
 184                 for( i = 0; i < numSurfaces; i++ )
 185                 {
 186                         ps = PicoGetModelSurface( *pm, i );
 187                         numVertexes = PicoGetSurfaceNumVertexes( ps );
 188                         Sys_Printf( "Surface %d has %d vertexes\n", i, numVertexes );
 189                 }
 190         }
 191         #endif
 192
 193         /* set count */
 194         if( *pm != NULL )
 195                 numPicoModels++;
 196
 197         /* return the picoModel */
 198         return *pm;
 199 }
 200
 201
 202
 203 /*
 204 InsertModel() - ydnar
 205 adds a picomodel into the bsp
 206 */
 207
 208 void InsertModel( char *name, int frame, m4x4_t transform, remap_t *remap, shaderInfo_t *celShader, int eNum, int castShadows, int recvShadows, int spawnFlags, float lightmapScale )
 209 {
 210         int                                     i, j, k, s, numSurfaces;
 211         m4x4_t                          identity, nTransform;
 212         picoModel_t                     *model;
 213         picoShader_t            *shader;
 214         picoSurface_t           *surface;
 215         shaderInfo_t            *si;
 216         mapDrawSurface_t        *ds;
 217         bspDrawVert_t           *dv;
 218         char                            *picoShaderName;
 219         char                            shaderName[ MAX_QPATH ];
 220         picoVec_t                       *xyz, *normal, *st;
 221         byte                            *color;
 222         picoIndex_t                     *indexes;
 223         remap_t                         *rm, *glob;
 224
 225
 226         /* get model */
 227         model = LoadModel( name, frame );
 228         if( model == NULL )
 229                 return;
 230
 231         /* handle null matrix */
 232         if( transform == NULL )
 233         {
 234                 m4x4_identity( identity );
 235                 transform = identity;
 236         }
 237
 238         /* hack: Stable-1_2 and trunk have differing row/column major matrix order
 239            this transpose is necessary with Stable-1_2
 240            uncomment the following line with old m4x4_t (non 1.3/spog_branch) code */
 241         //%     m4x4_transpose( transform );
 242
 243         /* create transform matrix for normals */
 244         memcpy( nTransform, transform, sizeof( m4x4_t ) );
 245         if( m4x4_invert( nTransform ) )
 246                 Sys_FPrintf( SYS_VRB, "WARNING: Can't invert model transform matrix, using transpose instead\n" );
 247         m4x4_transpose( nTransform );
 248
 249         /* fix bogus lightmap scale */
 250         if( lightmapScale <= 0.0f )
 251                 lightmapScale = 1.0f;
 252
 253         /* each surface on the model will become a new map drawsurface */
 254         numSurfaces = PicoGetModelNumSurfaces( model );
 255         //%     Sys_FPrintf( SYS_VRB, "Model %s has %d surfaces\n", name, numSurfaces );
 256         for( s = 0; s < numSurfaces; s++ )
 257         {
 258                 /* get surface */
 259                 surface = PicoGetModelSurface( model, s );
 260                 if( surface == NULL )
 261                         continue;
 262
 263                 /* only handle triangle surfaces initially (fixme: support patches) */
 264                 if( PicoGetSurfaceType( surface ) != PICO_TRIANGLES )
 265                         continue;
 266
 267                 /* fix the surface's normals */
 268                 PicoFixSurfaceNormals( surface );
 269
 270                 /* allocate a surface (ydnar: gs mods) */
 271                 ds = AllocDrawSurface( SURFACE_TRIANGLES );
 272                 ds->entityNum = eNum;
 273                 ds->castShadows = castShadows;
 274                 ds->recvShadows = recvShadows;
 275
 276                 /* get shader name */
 277         shader = PicoGetSurfaceShader( surface );
 278                 if( shader == NULL )
 279                         picoShaderName = "";
 280                 else
 281                         picoShaderName = PicoGetShaderName( shader );
 282
 283                 /* handle shader remapping */
 284                 glob = NULL;
 285                 for( rm = remap; rm != NULL; rm = rm->next )
 286                 {
 287                         if( rm->from[ 0 ] == '*' && rm->from[ 1 ] == '\0' )
 288                                 glob = rm;
 289                         else if( !Q_stricmp( picoShaderName, rm->from ) )
 290                         {
 291                                 Sys_FPrintf( SYS_VRB, "Remapping %s to %s\n", picoShaderName, rm->to );
 292                                 picoShaderName = rm->to;
 293                                 glob = NULL;
 294                                 break;
 295                         }
 296                 }
 297
 298                 if( glob != NULL )
 299                 {
 300                         Sys_FPrintf( SYS_VRB, "Globbing %s to %s\n", picoShaderName, glob->to );
 301                         picoShaderName = glob->to;
 302                 }
 303
 304                 /* shader renaming for sof2 */
 305                 if( renameModelShaders )
 306                 {
 307                         strcpy( shaderName, picoShaderName );
 308                         StripExtension( shaderName );
 309                         if( spawnFlags & 1 )
 310                                 strcat( shaderName, "_RMG_BSP" );
 311                         else
 312                                 strcat( shaderName, "_BSP" );
 313                         si = ShaderInfoForShader( shaderName );
 314                 }
 315                 else
 316                         si = ShaderInfoForShader( picoShaderName );
 317
 318                 /* set shader */
 319                 ds->shaderInfo = si;
 320
 321                 /* set lightmap scale */
 322                 ds->lightmapScale = lightmapScale;
 323
 324                 /* force to meta? */
 325                 if( si != NULL && si->forceMeta )
 326                         ds->type = SURFACE_FORCED_META;
 327
 328                 /* set particulars */
 329                 ds->numVerts = PicoGetSurfaceNumVertexes( surface );
 330                 ds->verts = safe_malloc( ds->numVerts * sizeof( ds->verts[ 0 ] ) );
 331                 memset( ds->verts, 0, ds->numVerts * sizeof( ds->verts[ 0 ] ) );
 332
 333                 ds->numIndexes = PicoGetSurfaceNumIndexes( surface );
 334                 ds->indexes = safe_malloc( ds->numIndexes * sizeof( ds->indexes[ 0 ] ) );
 335                 memset( ds->indexes, 0, ds->numIndexes * sizeof( ds->indexes[ 0 ] ) );
 336
 337                 /* copy vertexes */
 338                 for( i = 0; i < ds->numVerts; i++ )
 339                 {
 340                         /* get vertex */
 341                         dv = &ds->verts[ i ];
 342
 343                         /* xyz and normal */
 344                         xyz = PicoGetSurfaceXYZ( surface, i );
 345                         VectorCopy( xyz, dv->xyz );
 346                         m4x4_transform_point( transform, dv->xyz );
 347
 348                         normal = PicoGetSurfaceNormal( surface, i );
 349                         VectorCopy( normal, dv->normal );
 350                         m4x4_transform_normal( nTransform, dv->normal );
 351                         VectorNormalize( dv->normal, dv->normal );
 352
 353                         /* ydnar: tek-fu celshading support for flat shaded shit */
 354                         if( flat )
 355                         {
 356                                 dv->st[ 0 ] = si->stFlat[ 0 ];
 357                                 dv->st[ 1 ] = si->stFlat[ 1 ];
 358                         }
 359
 360                         /* ydnar: gs mods: added support for explicit shader texcoord generation */
 361                         else if( si->tcGen )
 362                         {
 363                                 /* project the texture */
 364                                 dv->st[ 0 ] = DotProduct( si->vecs[ 0 ], dv->xyz );
 365                                 dv->st[ 1 ] = DotProduct( si->vecs[ 1 ], dv->xyz );
 366                         }
 367
 368                         /* normal texture coordinates */
 369                         {
 370                                 st = PicoGetSurfaceST( surface, 0, i );
 371                                 dv->st[ 0 ] = st[ 0 ];
 372                                 dv->st[ 1 ] = st[ 1 ];
 373                         }
 374
 375                         /* set lightmap/color bits */
 376                         color = PicoGetSurfaceColor( surface, 0, i );
 377                         for( j = 0; j < MAX_LIGHTMAPS; j++ )
 378                         {
 379                                 dv->lightmap[ j ][ 0 ] = 0.0f;
 380                                 dv->lightmap[ j ][ 1 ] = 0.0f;
 381                                 dv->color[ j ][ 0 ] = color[ 0 ];
 382                                 dv->color[ j ][ 1 ] = color[ 1 ];
 383                                 dv->color[ j ][ 2 ] = color[ 2 ];
 384                                 dv->color[ j ][ 3 ] = color[ 3 ];
 385                         }
 386                 }
 387
 388                 /* copy indexes */
 389                 indexes = PicoGetSurfaceIndexes( surface, 0 );
 390                 for( i = 0; i < ds->numIndexes; i++ )
 391                         ds->indexes[ i ] = indexes[ i ];
 392
 393                 /* set cel shader */
 394                 ds->celShader = celShader;
 395
 396                 /* finish surface */
 397                 FinishSurface( ds );
 398
 399                 /* ydnar: giant hack land: generate clipping brushes for model triangles */
 400                 if( si->clipModel || (spawnFlags & 2) ) /* 2nd bit */
 401                 {
 402                         vec3_t          points[ 3 ], backs[ 3 ];
 403                         vec4_t          plane, reverse, pa, pb, pc;
 404                         vec3_t          nadir;
 405
 406
 407                         /* temp hack */
 408                         if( (si->compileFlags & C_TRANSLUCENT) || !(si->compileFlags & C_SOLID) )
 409                                 continue;
 410
 411                         /* overflow check */
 412                         if( (nummapplanes + 64) >= (MAX_MAP_PLANES >> 1) )
 413                                 continue;
 414
 415                         /* walk triangle list */
 416                         for( i = 0; i < ds->numIndexes; i += 3 )
 417                         {
 418                                 /* overflow hack */
 419                                 if( (nummapplanes + 64) >= (MAX_MAP_PLANES >> 1) )
 420                                 {
 421                                         Sys_Printf( "WARNING: MAX_MAP_PLANES (%d) hit generating clip brushes for model %s.\n",
 422                                                 MAX_MAP_PLANES, name );
 423                                         break;
 424                                 }
 425
 426                                 /* make points and back points */
 427                                 for( j = 0; j < 3; j++ )
 428                                 {
 429                                         /* get vertex */
 430                                         dv = &ds->verts[ ds->indexes[ i + j ] ];
 431
 432                                         /* copy xyz */
 433                                         VectorCopy( dv->xyz, points[ j ] );
 434                                         VectorCopy( dv->xyz, backs[ j ] );
 435
 436                                         /* find nearest axial to normal and push back points opposite */
 437                                         /* note: this doesn't work as well as simply using the plane of the triangle, below */
 438                                         for( k = 0; k < 3; k++ )
 439                                         {
 440                                                 if( fabs( dv->normal[ k ] ) > fabs( dv->normal[ (k + 1) % 3 ] ) &&
 441                                                         fabs( dv->normal[ k ] ) > fabs( dv->normal[ (k + 2) % 3 ] ) )
 442                                                 {
 443                                                         backs[ j ][ k ] += dv->normal[ k ] < 0.0f ? 64.0f : -64.0f;
 444                                                         break;
 445                                                 }
 446                                         }
 447                                 }
 448
 449                                 /* make plane for triangle */
 450                                 if( PlaneFromPoints( plane, points[ 0 ], points[ 1 ], points[ 2 ] ) )
 451                                 {
 452                                         /* regenerate back points */
 453                                         for( j = 0; j < 3; j++ )
 454                                         {
 455                                                 /* get vertex */
 456                                                 dv = &ds->verts[ ds->indexes[ i + j ] ];
 457
 458                                                 /* copy xyz */
 459                                                 VectorCopy( dv->xyz, backs[ j ] );
 460
 461                                                 /* find nearest axial to plane normal and push back points opposite */
 462                                                 for( k = 0; k < 3; k++ )
 463                                                 {
 464                                                         if( fabs( plane[ k ] ) > fabs( plane[ (k + 1) % 3 ] ) &&
 465                                                                 fabs( plane[ k ] ) > fabs( plane[ (k + 2) % 3 ] ) )
 466                                                         {
 467                                                                 backs[ j ][ k ] += plane[ k ] < 0.0f ? 64.0f : -64.0f;
 468                                                                 break;
 469                                                         }
 470                                                 }
 471                                         }
 472
 473                                         /* make back plane */
 474                                         VectorScale( plane, -1.0f, reverse );
 475                                         reverse[ 3 ] = -(plane[ 3 ] - 1);
 476
 477                                         /* make back pyramid point */
 478                                         VectorCopy( points[ 0 ], nadir );
 479                                         VectorAdd( nadir, points[ 1 ], nadir );
 480                                         VectorAdd( nadir, points[ 2 ], nadir );
 481                                         VectorScale( nadir, 0.3333333333333f, nadir );
 482                                         VectorMA( nadir, -2.0f, plane, nadir );
 483
 484                                         /* make 3 more planes */
 485                                         //%     if( PlaneFromPoints( pa, points[ 2 ], points[ 1 ], nadir ) &&
 486                                         //%             PlaneFromPoints( pb, points[ 1 ], points[ 0 ], nadir ) &&
 487                                         //%             PlaneFromPoints( pc, points[ 0 ], points[ 2 ], nadir ) )
 488                                         if( PlaneFromPoints( pa, points[ 2 ], points[ 1 ], backs[ 1 ] ) &&
 489                                                 PlaneFromPoints( pb, points[ 1 ], points[ 0 ], backs[ 0 ] ) &&
 490                                                 PlaneFromPoints( pc, points[ 0 ], points[ 2 ], backs[ 2 ] ) )
 491                                         {
 492                                                 /* build a brush */
 493                                                 buildBrush = AllocBrush( 48 );
 494
 495                                                 buildBrush->entityNum = mapEntityNum;
 496                                                 buildBrush->original = buildBrush;
 497                                                 buildBrush->contentShader = si;
 498                                                 buildBrush->compileFlags = si->compileFlags;
 499                                                 buildBrush->contentFlags = si->contentFlags;
 500                                                 buildBrush->detail = qtrue;
 501
 502                                                 /* set up brush sides */
 503                                                 buildBrush->numsides = 5;
 504                                                 for( j = 0; j < buildBrush->numsides; j++ )
 505                                                         buildBrush->sides[ j ].shaderInfo = si;
 506                                                 buildBrush->sides[ 0 ].planenum = FindFloatPlane( plane, plane[ 3 ], 3, points );
 507                                                 buildBrush->sides[ 1 ].planenum = FindFloatPlane( pa, pa[ 3 ], 1, &points[ 2 ] );
 508                                                 buildBrush->sides[ 2 ].planenum = FindFloatPlane( pb, pb[ 3 ], 1, &points[ 1 ] );
 509                                                 buildBrush->sides[ 3 ].planenum = FindFloatPlane( pc, pc[ 3 ], 1, &points[ 0 ] );
 510                                                 buildBrush->sides[ 4 ].planenum = FindFloatPlane( reverse, reverse[ 3 ], 3, points );
 511
 512                                                 /* add to entity */
 513                                                 if( CreateBrushWindings( buildBrush ) )
 514                                                 {
 515                                                         AddBrushBevels();
 516                                                         //%     EmitBrushes( buildBrush, NULL, NULL );
 517                                                         buildBrush->next = entities[ mapEntityNum ].brushes;
 518                                                         entities[ mapEntityNum ].brushes = buildBrush;
 519                                                         entities[ mapEntityNum ].numBrushes++;
 520                                                 }
 521                                                 else
 522                                                         free( buildBrush );
 523                                         }
 524                                 }
 525                         }
 526                 }
 527         }
 528 }
 529
 530
 531
 532 /*
 533 AddTriangleModels()
 534 adds misc_model surfaces to the bsp
 535 */
 536
 537 void AddTriangleModels( entity_t *e )
 538 {
 539         int                             num, frame, castShadows, recvShadows, spawnFlags;
 540         entity_t                *e2;
 541         const char              *targetName;
 542         const char              *target, *model, *value;
 543         char                    shader[ MAX_QPATH ];
 544         shaderInfo_t    *celShader;
 545         float                   temp, baseLightmapScale, lightmapScale;
 546         vec3_t                  origin, scale, angles;
 547         m4x4_t                  transform;
 548         epair_t                 *ep;
 549         remap_t                 *remap, *remap2;
 550         char                    *split;
 551
 552
 553         /* note it */
 554         Sys_FPrintf( SYS_VRB, "--- AddTriangleModels ---\n" );
 555
 556         /* get current brush entity targetname */
 557         if( e == entities )
 558                 targetName = "";
 559         else
 560         {
 561                 targetName = ValueForKey( e, "targetname" );
 562
 563                 /* misc_model entities target non-worldspawn brush model entities */
 564                 if( targetName[ 0 ] == '\0' )
 565                         return;
 566         }
 567
 568         /* get lightmap scale */
 569         baseLightmapScale = FloatForKey( e, "_lightmapscale" );
 570         if( baseLightmapScale <= 0.0f )
 571                 baseLightmapScale = 0.0f;
 572
 573         /* walk the entity list */
 574         for( num = 1; num < numEntities; num++ )
 575         {
 576                 /* get e2 */
 577                 e2 = &entities[ num ];
 578
 579                 /* convert misc_models into raw geometry */
 580                 if( Q_stricmp( "misc_model", ValueForKey( e2, "classname" ) ) )
 581                         continue;
 582
 583                 /* ydnar: added support for md3 models on non-worldspawn models */
 584                 target = ValueForKey( e2, "target" );
 585                 if( strcmp( target, targetName ) )
 586                         continue;
 587
 588                 /* get model name */
 589                 model = ValueForKey( e2, "model" );
 590                 if( model[ 0 ] == '\0' )
 591                 {
 592                         Sys_Printf( "WARNING: misc_model at %i %i %i without a model key\n",
 593                                 (int) origin[ 0 ], (int) origin[ 1 ], (int) origin[ 2 ] );
 594                         continue;
 595                 }
 596
 597                 /* get model frame */
 598                 frame = IntForKey( e2, "_frame" );
 599
 600                 /* worldspawn (and func_groups) default to cast/recv shadows in worldspawn group */
 601                 if( e == entities )
 602                 {
 603                         castShadows = WORLDSPAWN_CAST_SHADOWS;
 604                         recvShadows = WORLDSPAWN_RECV_SHADOWS;
 605                 }
 606
 607                 /* other entities don't cast any shadows, but recv worldspawn shadows */
 608                 else
 609                 {
 610                         castShadows = ENTITY_CAST_SHADOWS;
 611                         recvShadows = ENTITY_RECV_SHADOWS;
 612                 }
 613
 614                 /* get explicit shadow flags */
 615                 GetEntityShadowFlags( e2, e, &castShadows, &recvShadows );
 616
 617                 /* get spawnflags */
 618                 spawnFlags = IntForKey( e2, "spawnflags" );
 619
 620                 /* get origin */
 621                 GetVectorForKey( e2, "origin", origin );
 622                 VectorSubtract( origin, e->origin, origin );    /* offset by parent */
 623
 624                 /* get scale */
 625                 scale[ 0 ] = scale[ 1 ] = scale[ 2 ] = 1.0f;
 626                 temp = FloatForKey( e2, "modelscale" );
 627                 if( temp != 0.0f )
 628                         scale[ 0 ] = scale[ 1 ] = scale[ 2 ] = temp;
 629                 value = ValueForKey( e2, "modelscale_vec" );
 630                 if( value[ 0 ] != '\0' )
 631                         sscanf( value, "%f %f %f", &scale[ 0 ], &scale[ 1 ], &scale[ 2 ] );
 632
 633                 /* get "angle" (yaw) or "angles" (pitch yaw roll) */
 634                 angles[ 0 ] = angles[ 1 ] = angles[ 2 ] = 0.0f;
 635                 angles[ 2 ] = FloatForKey( e2, "angle" );
 636                 value = ValueForKey( e2, "angles" );
 637                 if( value[ 0 ] != '\0' )
 638                         sscanf( value, "%f %f %f", &angles[ 1 ], &angles[ 2 ], &angles[ 0 ] );
 639
 640                 /* set transform matrix (thanks spog) */
 641                 m4x4_identity( transform );
 642                 m4x4_pivoted_transform_by_vec3( transform, origin, angles, eXYZ, scale, vec3_origin );
 643
 644                 /* get shader remappings */
 645                 remap = NULL;
 646                 for( ep = e2->epairs; ep != NULL; ep = ep->next )
 647                 {
 648                         /* look for keys prefixed with "_remap" */
 649                         if( ep->key != NULL && ep->value != NULL &&
 650                                 ep->key[ 0 ] != '\0' && ep->value[ 0 ] != '\0' &&
 651                                 !Q_strncasecmp( ep->key, "_remap", 6 ) )
 652                         {
 653                                 /* create new remapping */
 654                                 remap2 = remap;
 655                                 remap = safe_malloc( sizeof( *remap ) );
 656                                 remap->next = remap2;
 657                                 strcpy( remap->from, ep->value );
 658
 659                                 /* split the string */
 660                                 split = strchr( remap->from, ';' );
 661                                 if( split == NULL )
 662                                 {
 663                                         Sys_Printf( "WARNING: Shader _remap key found in misc_model without a ; character\n" );
 664                                         free( remap );
 665                                         remap = remap2;
 666                                         continue;
 667                                 }
 668
 669                                 /* store the split */
 670                                 *split = '\0';
 671                                 strcpy( remap->to, (split + 1) );
 672
 673                                 /* note it */
 674                                 //%     Sys_FPrintf( SYS_VRB, "Remapping %s to %s\n", remap->from, remap->to );
 675                         }
 676                 }
 677
 678                 /* ydnar: cel shader support */
 679                 value = ValueForKey( e2, "_celshader" );
 680                 if( value[ 0 ] == '\0' )
 681                         value = ValueForKey( &entities[ 0 ], "_celshader" );
 682                 if( value[ 0 ] != '\0' )
 683                 {
 684                         sprintf( shader, "textures/%s", value );
 685                         celShader = ShaderInfoForShader( shader );
 686                 }
 687                 else
 688                         celShader = NULL;
 689
 690                 /* get lightmap scale */
 691                 lightmapScale = FloatForKey( e2, "_lightmapscale" );
 692                 if( lightmapScale <= 0.0f )
 693                         lightmapScale = baseLightmapScale;
 694
 695                 /* insert the model */
 696                 InsertModel( (char*) model, frame, transform, remap, celShader, mapEntityNum, castShadows, recvShadows, spawnFlags, lightmapScale );
 697
 698                 /* free shader remappings */
 699                 while( remap != NULL )
 700                 {
 701                         remap2 = remap->next;
 702                         free( remap );
 703                         remap = remap2;
 704                 }
 705         }
 706 }