2 Copyright (C) 1999-2007 id Software, Inc. and contributors.
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3 For a list of contributors, see the accompanying CONTRIBUTORS file.
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5 This file is part of GtkRadiant.
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7 GtkRadiant is free software; you can redistribute it and/or modify
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8 it under the terms of the GNU General Public License as published by
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9 the Free Software Foundation; either version 2 of the License, or
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10 (at your option) any later version.
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12 GtkRadiant is distributed in the hope that it will be useful,
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13 but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 GNU General Public License for more details.
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17 You should have received a copy of the GNU General Public License
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18 along with GtkRadiant; if not, write to the Free Software
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19 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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21 ----------------------------------------------------------------------------------
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23 This code has been altered significantly from its original form, to support
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24 several games based on the Quake III Arena engine, in the form of "Q3Map2."
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26 ------------------------------------------------------------------------------- */
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42 callback for picomodel.lib
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45 void PicoPrintFunc( int level, const char *str )
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52 Sys_Printf( "%s\n", str );
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56 Sys_FPrintf( SYS_VRB, "%s\n", str );
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60 Sys_Printf( "WARNING: %s\n", str );
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64 Sys_Printf( "ERROR: %s\n", str );
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68 Error( "ERROR: %s\n", str );
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77 callback for picomodel.lib
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80 void PicoLoadFileFunc( char *name, byte **buffer, int *bufSize )
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82 *bufSize = vfsLoadFile( (const char*) name, (void**) buffer, 0 );
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89 finds an existing picoModel and returns a pointer to the picoModel_t struct or NULL if not found
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92 picoModel_t *FindModel( char *name, int frame )
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98 if( numPicoModels <= 0 )
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99 memset( picoModels, 0, sizeof( picoModels ) );
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102 if( name == NULL || name[ 0 ] == '\0' )
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106 for( i = 0; i < MAX_MODELS; i++ )
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108 if( picoModels[ i ] != NULL &&
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109 !strcmp( PicoGetModelName( picoModels[ i ] ), name ) &&
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110 PicoGetModelFrameNum( picoModels[ i ] ) == frame )
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111 return picoModels[ i ];
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114 /* no matching picoModel found */
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121 LoadModel() - ydnar
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122 loads a picoModel and returns a pointer to the picoModel_t struct or NULL if not found
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125 picoModel_t *LoadModel( char *name, int frame )
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128 picoModel_t *model, **pm;
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132 if( numPicoModels <= 0 )
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133 memset( picoModels, 0, sizeof( picoModels ) );
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136 if( name == NULL || name[ 0 ] == '\0' )
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139 /* try to find existing picoModel */
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140 model = FindModel( name, frame );
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141 if( model != NULL )
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144 /* none found, so find first non-null picoModel */
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146 for( i = 0; i < MAX_MODELS; i++ )
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148 if( picoModels[ i ] == NULL )
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150 pm = &picoModels[ i ];
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155 /* too many picoModels? */
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157 Error( "MAX_MODELS (%d) exceeded, there are too many model files referenced by the map.", MAX_MODELS );
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159 /* attempt to parse model */
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160 *pm = PicoLoadModel( (char*) name, frame );
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162 /* if loading failed, make a bogus model to silence the rest of the warnings */
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165 /* allocate a new model */
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166 *pm = PicoNewModel();
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171 PicoSetModelName( *pm, name );
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172 PicoSetModelFrameNum( *pm, frame );
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178 int numSurfaces, numVertexes;
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182 Sys_Printf( "Model %s\n", name );
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183 numSurfaces = PicoGetModelNumSurfaces( *pm );
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184 for( i = 0; i < numSurfaces; i++ )
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186 ps = PicoGetModelSurface( *pm, i );
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187 numVertexes = PicoGetSurfaceNumVertexes( ps );
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188 Sys_Printf( "Surface %d has %d vertexes\n", i, numVertexes );
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197 /* return the picoModel */
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204 InsertModel() - ydnar
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205 adds a picomodel into the bsp
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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 )
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210 int i, j, k, s, numSurfaces;
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211 m4x4_t identity, nTransform;
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212 picoModel_t *model;
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213 picoShader_t *shader;
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214 picoSurface_t *surface;
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216 mapDrawSurface_t *ds;
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218 char *picoShaderName;
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219 char shaderName[ MAX_QPATH ];
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220 picoVec_t *xyz, *normal, *st;
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222 picoIndex_t *indexes;
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223 remap_t *rm, *glob;
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227 model = LoadModel( name, frame );
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228 if( model == NULL )
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231 /* handle null matrix */
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232 if( transform == NULL )
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234 m4x4_identity( identity );
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235 transform = identity;
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238 /* hack: Stable-1_2 and trunk have differing row/column major matrix order
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239 this transpose is necessary with Stable-1_2
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240 uncomment the following line with old m4x4_t (non 1.3/spog_branch) code */
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241 //% m4x4_transpose( transform );
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243 /* create transform matrix for normals */
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244 memcpy( nTransform, transform, sizeof( m4x4_t ) );
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245 if( m4x4_invert( nTransform ) )
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246 Sys_FPrintf( SYS_VRB, "WARNING: Can't invert model transform matrix, using transpose instead\n" );
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247 m4x4_transpose( nTransform );
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249 /* fix bogus lightmap scale */
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250 if( lightmapScale <= 0.0f )
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251 lightmapScale = 1.0f;
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253 /* each surface on the model will become a new map drawsurface */
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254 numSurfaces = PicoGetModelNumSurfaces( model );
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255 //% Sys_FPrintf( SYS_VRB, "Model %s has %d surfaces\n", name, numSurfaces );
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256 for( s = 0; s < numSurfaces; s++ )
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259 surface = PicoGetModelSurface( model, s );
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260 if( surface == NULL )
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263 /* only handle triangle surfaces initially (fixme: support patches) */
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264 if( PicoGetSurfaceType( surface ) != PICO_TRIANGLES )
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267 /* fix the surface's normals */
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268 PicoFixSurfaceNormals( surface );
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270 /* allocate a surface (ydnar: gs mods) */
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271 ds = AllocDrawSurface( SURFACE_TRIANGLES );
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272 ds->entityNum = eNum;
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273 ds->castShadows = castShadows;
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274 ds->recvShadows = recvShadows;
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276 /* get shader name */
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277 shader = PicoGetSurfaceShader( surface );
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278 if( shader == NULL )
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279 picoShaderName = "";
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281 picoShaderName = PicoGetShaderName( shader );
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283 /* handle shader remapping */
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285 for( rm = remap; rm != NULL; rm = rm->next )
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287 if( rm->from[ 0 ] == '*' && rm->from[ 1 ] == '\0' )
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289 else if( !Q_stricmp( picoShaderName, rm->from ) )
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291 Sys_FPrintf( SYS_VRB, "Remapping %s to %s\n", picoShaderName, rm->to );
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292 picoShaderName = rm->to;
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300 Sys_FPrintf( SYS_VRB, "Globbing %s to %s\n", picoShaderName, glob->to );
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301 picoShaderName = glob->to;
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304 /* shader renaming for sof2 */
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305 if( renameModelShaders )
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307 strcpy( shaderName, picoShaderName );
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308 StripExtension( shaderName );
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309 if( spawnFlags & 1 )
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310 strcat( shaderName, "_RMG_BSP" );
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312 strcat( shaderName, "_BSP" );
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313 si = ShaderInfoForShader( shaderName );
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316 si = ShaderInfoForShader( picoShaderName );
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319 ds->shaderInfo = si;
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321 /* set lightmap scale */
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322 ds->lightmapScale = lightmapScale;
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324 /* force to meta? */
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325 if( si != NULL && si->forceMeta )
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326 ds->type = SURFACE_FORCED_META;
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328 /* set particulars */
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329 ds->numVerts = PicoGetSurfaceNumVertexes( surface );
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330 ds->verts = safe_malloc( ds->numVerts * sizeof( ds->verts[ 0 ] ) );
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331 memset( ds->verts, 0, ds->numVerts * sizeof( ds->verts[ 0 ] ) );
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333 ds->numIndexes = PicoGetSurfaceNumIndexes( surface );
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334 ds->indexes = safe_malloc( ds->numIndexes * sizeof( ds->indexes[ 0 ] ) );
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335 memset( ds->indexes, 0, ds->numIndexes * sizeof( ds->indexes[ 0 ] ) );
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337 /* copy vertexes */
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338 for( i = 0; i < ds->numVerts; i++ )
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341 dv = &ds->verts[ i ];
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343 /* xyz and normal */
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344 xyz = PicoGetSurfaceXYZ( surface, i );
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345 VectorCopy( xyz, dv->xyz );
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346 m4x4_transform_point( transform, dv->xyz );
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348 normal = PicoGetSurfaceNormal( surface, i );
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349 VectorCopy( normal, dv->normal );
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350 m4x4_transform_normal( nTransform, dv->normal );
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351 VectorNormalize( dv->normal, dv->normal );
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353 /* ydnar: tek-fu celshading support for flat shaded shit */
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356 dv->st[ 0 ] = si->stFlat[ 0 ];
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357 dv->st[ 1 ] = si->stFlat[ 1 ];
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360 /* ydnar: gs mods: added support for explicit shader texcoord generation */
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361 else if( si->tcGen )
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363 /* project the texture */
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364 dv->st[ 0 ] = DotProduct( si->vecs[ 0 ], dv->xyz );
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365 dv->st[ 1 ] = DotProduct( si->vecs[ 1 ], dv->xyz );
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368 /* normal texture coordinates */
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370 st = PicoGetSurfaceST( surface, 0, i );
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371 dv->st[ 0 ] = st[ 0 ];
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372 dv->st[ 1 ] = st[ 1 ];
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375 /* set lightmap/color bits */
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376 color = PicoGetSurfaceColor( surface, 0, i );
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377 for( j = 0; j < MAX_LIGHTMAPS; j++ )
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379 dv->lightmap[ j ][ 0 ] = 0.0f;
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380 dv->lightmap[ j ][ 1 ] = 0.0f;
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381 dv->color[ j ][ 0 ] = color[ 0 ];
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382 dv->color[ j ][ 1 ] = color[ 1 ];
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383 dv->color[ j ][ 2 ] = color[ 2 ];
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384 dv->color[ j ][ 3 ] = color[ 3 ];
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389 indexes = PicoGetSurfaceIndexes( surface, 0 );
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390 for( i = 0; i < ds->numIndexes; i++ )
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391 ds->indexes[ i ] = indexes[ i ];
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393 /* set cel shader */
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394 ds->celShader = celShader;
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396 /* finish surface */
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397 FinishSurface( ds );
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399 /* ydnar: giant hack land: generate clipping brushes for model triangles */
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400 if( si->clipModel || (spawnFlags & 2) ) /* 2nd bit */
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402 vec3_t points[ 3 ], backs[ 3 ];
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403 vec4_t plane, reverse, pa, pb, pc;
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408 if( (si->compileFlags & C_TRANSLUCENT) || !(si->compileFlags & C_SOLID) )
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411 /* overflow check */
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412 if( (nummapplanes + 64) >= (MAX_MAP_PLANES >> 1) )
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415 /* walk triangle list */
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416 for( i = 0; i < ds->numIndexes; i += 3 )
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418 /* overflow hack */
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419 if( (nummapplanes + 64) >= (MAX_MAP_PLANES >> 1) )
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421 Sys_Printf( "WARNING: MAX_MAP_PLANES (%d) hit generating clip brushes for model %s.\n",
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422 MAX_MAP_PLANES, name );
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426 /* make points and back points */
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427 for( j = 0; j < 3; j++ )
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430 dv = &ds->verts[ ds->indexes[ i + j ] ];
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433 VectorCopy( dv->xyz, points[ j ] );
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434 VectorCopy( dv->xyz, backs[ j ] );
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436 /* find nearest axial to normal and push back points opposite */
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437 /* note: this doesn't work as well as simply using the plane of the triangle, below */
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438 for( k = 0; k < 3; k++ )
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440 if( fabs( dv->normal[ k ] ) > fabs( dv->normal[ (k + 1) % 3 ] ) &&
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441 fabs( dv->normal[ k ] ) > fabs( dv->normal[ (k + 2) % 3 ] ) )
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443 backs[ j ][ k ] += dv->normal[ k ] < 0.0f ? 64.0f : -64.0f;
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449 /* make plane for triangle */
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450 if( PlaneFromPoints( plane, points[ 0 ], points[ 1 ], points[ 2 ] ) )
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452 /* regenerate back points */
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453 for( j = 0; j < 3; j++ )
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456 dv = &ds->verts[ ds->indexes[ i + j ] ];
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459 VectorCopy( dv->xyz, backs[ j ] );
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461 /* find nearest axial to plane normal and push back points opposite */
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462 for( k = 0; k < 3; k++ )
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464 if( fabs( plane[ k ] ) > fabs( plane[ (k + 1) % 3 ] ) &&
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465 fabs( plane[ k ] ) > fabs( plane[ (k + 2) % 3 ] ) )
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467 backs[ j ][ k ] += plane[ k ] < 0.0f ? 64.0f : -64.0f;
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473 /* make back plane */
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474 VectorScale( plane, -1.0f, reverse );
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475 reverse[ 3 ] = -(plane[ 3 ] - 1);
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477 /* make back pyramid point */
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478 VectorCopy( points[ 0 ], nadir );
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479 VectorAdd( nadir, points[ 1 ], nadir );
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480 VectorAdd( nadir, points[ 2 ], nadir );
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481 VectorScale( nadir, 0.3333333333333f, nadir );
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482 VectorMA( nadir, -2.0f, plane, nadir );
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484 /* make 3 more planes */
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485 //% if( PlaneFromPoints( pa, points[ 2 ], points[ 1 ], nadir ) &&
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486 //% PlaneFromPoints( pb, points[ 1 ], points[ 0 ], nadir ) &&
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487 //% PlaneFromPoints( pc, points[ 0 ], points[ 2 ], nadir ) )
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488 if( PlaneFromPoints( pa, points[ 2 ], points[ 1 ], backs[ 1 ] ) &&
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489 PlaneFromPoints( pb, points[ 1 ], points[ 0 ], backs[ 0 ] ) &&
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490 PlaneFromPoints( pc, points[ 0 ], points[ 2 ], backs[ 2 ] ) )
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492 /* build a brush */
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493 buildBrush = AllocBrush( 48 );
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495 buildBrush->entityNum = mapEntityNum;
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496 buildBrush->original = buildBrush;
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497 buildBrush->contentShader = si;
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498 buildBrush->compileFlags = si->compileFlags;
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499 buildBrush->contentFlags = si->contentFlags;
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500 buildBrush->detail = qtrue;
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502 /* set up brush sides */
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503 buildBrush->numsides = 5;
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504 for( j = 0; j < buildBrush->numsides; j++ )
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505 buildBrush->sides[ j ].shaderInfo = si;
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506 buildBrush->sides[ 0 ].planenum = FindFloatPlane( plane, plane[ 3 ], 3, points );
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507 buildBrush->sides[ 1 ].planenum = FindFloatPlane( pa, pa[ 3 ], 1, &points[ 2 ] );
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508 buildBrush->sides[ 2 ].planenum = FindFloatPlane( pb, pb[ 3 ], 1, &points[ 1 ] );
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509 buildBrush->sides[ 3 ].planenum = FindFloatPlane( pc, pc[ 3 ], 1, &points[ 0 ] );
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510 buildBrush->sides[ 4 ].planenum = FindFloatPlane( reverse, reverse[ 3 ], 3, points );
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512 /* add to entity */
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513 if( CreateBrushWindings( buildBrush ) )
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516 //% EmitBrushes( buildBrush, NULL, NULL );
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517 buildBrush->next = entities[ mapEntityNum ].brushes;
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518 entities[ mapEntityNum ].brushes = buildBrush;
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519 entities[ mapEntityNum ].numBrushes++;
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522 free( buildBrush );
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533 AddTriangleModels()
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534 adds misc_model surfaces to the bsp
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537 void AddTriangleModels( entity_t *e )
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539 int num, frame, castShadows, recvShadows, spawnFlags;
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541 const char *targetName;
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542 const char *target, *model, *value;
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543 char shader[ MAX_QPATH ];
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544 shaderInfo_t *celShader;
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545 float temp, baseLightmapScale, lightmapScale;
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546 vec3_t origin, scale, angles;
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549 remap_t *remap, *remap2;
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554 Sys_FPrintf( SYS_VRB, "--- AddTriangleModels ---\n" );
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556 /* get current brush entity targetname */
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557 if( e == entities )
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561 targetName = ValueForKey( e, "targetname" );
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563 /* misc_model entities target non-worldspawn brush model entities */
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564 if( targetName[ 0 ] == '\0' )
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568 /* get lightmap scale */
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569 baseLightmapScale = FloatForKey( e, "_lightmapscale" );
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570 if( baseLightmapScale <= 0.0f )
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571 baseLightmapScale = 0.0f;
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573 /* walk the entity list */
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574 for( num = 1; num < numEntities; num++ )
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577 e2 = &entities[ num ];
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579 /* convert misc_models into raw geometry */
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580 if( Q_stricmp( "misc_model", ValueForKey( e2, "classname" ) ) )
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583 /* ydnar: added support for md3 models on non-worldspawn models */
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584 target = ValueForKey( e2, "target" );
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585 if( strcmp( target, targetName ) )
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588 /* get model name */
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589 model = ValueForKey( e2, "model" );
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590 if( model[ 0 ] == '\0' )
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592 Sys_Printf( "WARNING: misc_model at %i %i %i without a model key\n",
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593 (int) origin[ 0 ], (int) origin[ 1 ], (int) origin[ 2 ] );
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597 /* get model frame */
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598 frame = IntForKey( e2, "_frame" );
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600 /* worldspawn (and func_groups) default to cast/recv shadows in worldspawn group */
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601 if( e == entities )
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603 castShadows = WORLDSPAWN_CAST_SHADOWS;
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604 recvShadows = WORLDSPAWN_RECV_SHADOWS;
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607 /* other entities don't cast any shadows, but recv worldspawn shadows */
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610 castShadows = ENTITY_CAST_SHADOWS;
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611 recvShadows = ENTITY_RECV_SHADOWS;
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614 /* get explicit shadow flags */
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615 GetEntityShadowFlags( e2, e, &castShadows, &recvShadows );
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617 /* get spawnflags */
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618 spawnFlags = IntForKey( e2, "spawnflags" );
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621 GetVectorForKey( e2, "origin", origin );
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622 VectorSubtract( origin, e->origin, origin ); /* offset by parent */
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625 scale[ 0 ] = scale[ 1 ] = scale[ 2 ] = 1.0f;
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626 temp = FloatForKey( e2, "modelscale" );
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628 scale[ 0 ] = scale[ 1 ] = scale[ 2 ] = temp;
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629 value = ValueForKey( e2, "modelscale_vec" );
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630 if( value[ 0 ] != '\0' )
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631 sscanf( value, "%f %f %f", &scale[ 0 ], &scale[ 1 ], &scale[ 2 ] );
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633 /* get "angle" (yaw) or "angles" (pitch yaw roll) */
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634 angles[ 0 ] = angles[ 1 ] = angles[ 2 ] = 0.0f;
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635 angles[ 2 ] = FloatForKey( e2, "angle" );
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636 value = ValueForKey( e2, "angles" );
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637 if( value[ 0 ] != '\0' )
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638 sscanf( value, "%f %f %f", &angles[ 1 ], &angles[ 2 ], &angles[ 0 ] );
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640 /* set transform matrix (thanks spog) */
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641 m4x4_identity( transform );
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642 m4x4_pivoted_transform_by_vec3( transform, origin, angles, eXYZ, scale, vec3_origin );
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644 /* get shader remappings */
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646 for( ep = e2->epairs; ep != NULL; ep = ep->next )
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648 /* look for keys prefixed with "_remap" */
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649 if( ep->key != NULL && ep->value != NULL &&
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650 ep->key[ 0 ] != '\0' && ep->value[ 0 ] != '\0' &&
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651 !Q_strncasecmp( ep->key, "_remap", 6 ) )
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653 /* create new remapping */
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655 remap = safe_malloc( sizeof( *remap ) );
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656 remap->next = remap2;
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657 strcpy( remap->from, ep->value );
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659 /* split the string */
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660 split = strchr( remap->from, ';' );
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661 if( split == NULL )
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663 Sys_Printf( "WARNING: Shader _remap key found in misc_model without a ; character\n" );
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669 /* store the split */
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671 strcpy( remap->to, (split + 1) );
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674 //% Sys_FPrintf( SYS_VRB, "Remapping %s to %s\n", remap->from, remap->to );
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678 /* ydnar: cel shader support */
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679 value = ValueForKey( e2, "_celshader" );
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680 if( value[ 0 ] == '\0' )
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681 value = ValueForKey( &entities[ 0 ], "_celshader" );
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682 if( value[ 0 ] != '\0' )
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684 sprintf( shader, "textures/%s", value );
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685 celShader = ShaderInfoForShader( shader );
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690 /* get lightmap scale */
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691 lightmapScale = FloatForKey( e2, "_lightmapscale" );
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692 if( lightmapScale <= 0.0f )
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693 lightmapScale = baseLightmapScale;
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695 /* insert the model */
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696 InsertModel( (char*) model, frame, transform, remap, celShader, mapEntityNum, castShadows, recvShadows, spawnFlags, lightmapScale );
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698 /* free shader remappings */
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699 while( remap != NULL )
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701 remap2 = remap->next;
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