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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24 #include "mathlib.h"
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26 #include "bspfile.h"
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27 #include "scriplib.h"
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29 void GetLeafNums (void);
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31 //=============================================================================
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33 int bsp_version = Q3_BSP_VERSION;
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36 dmodel_t dmodels[MAX_MAP_MODELS];
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39 dshader_t dshaders[MAX_MAP_SHADERS];
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42 char dentdata[MAX_MAP_ENTSTRING];
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45 dleaf_t dleafs[MAX_MAP_LEAFS];
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48 dplane_t dplanes[MAX_MAP_PLANES];
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51 dnode_t dnodes[MAX_MAP_NODES];
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53 int numleafsurfaces;
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54 int dleafsurfaces[MAX_MAP_LEAFFACES];
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57 int dleafbrushes[MAX_MAP_LEAFBRUSHES];
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60 dbrush_t dbrushes[MAX_MAP_BRUSHES];
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63 dbrushside_t dbrushsides[MAX_MAP_BRUSHSIDES];
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72 byte visBytes[MAX_MAP_VISIBILITY];
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74 int numDrawVerts = 0;
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75 int numDrawVertsBuffer = 0;
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76 drawVert_t *drawVerts = NULL;
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79 int drawIndexes[MAX_MAP_DRAW_INDEXES];
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81 int numDrawSurfaces;
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82 int numDrawSurfacesBuffer = 0;
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83 dsurface_t *drawSurfaces = NULL;
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86 dfog_t dfogs[MAX_MAP_FOGS];
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88 void SetLightBytes(int n)
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98 lightBytes = safe_malloc_info(numLightBytes, "SetLightBytes");
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100 memset(lightBytes, 0, numLightBytes);
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103 void SetGridPoints(int n)
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113 gridData = safe_malloc_info(numGridPoints * 8, "SetGridPoints");
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115 memset(gridData, 0, numGridPoints * 8);
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118 void IncDrawVerts()
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124 numDrawVertsBuffer = MAX_MAP_DRAW_VERTS / 37;
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126 drawVerts = safe_malloc_info(sizeof(drawVert_t) * numDrawVertsBuffer, "IncDrawVerts");
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129 else if(numDrawVerts > numDrawVertsBuffer)
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131 numDrawVertsBuffer *= 3; // multiply by 1.5
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132 numDrawVertsBuffer /= 2;
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134 if(numDrawVertsBuffer > MAX_MAP_DRAW_VERTS)
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135 numDrawVertsBuffer = MAX_MAP_DRAW_VERTS;
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137 drawVerts = realloc(drawVerts, sizeof(drawVert_t) * numDrawVertsBuffer);
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140 Error( "realloc() failed (IncDrawVerts)");
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143 memset(drawVerts + (numDrawVerts - 1), 0, sizeof(drawVert_t));
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146 void SetDrawVerts(int n)
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152 numDrawVertsBuffer = numDrawVerts;
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154 drawVerts = safe_malloc_info(sizeof(drawVert_t) * numDrawVertsBuffer, "IncDrawVerts");
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156 memset(drawVerts, 0, n * sizeof(drawVert_t));
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159 void SetDrawSurfacesBuffer()
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161 if(drawSurfaces != 0)
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162 free(drawSurfaces);
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164 numDrawSurfacesBuffer = MAX_MAP_DRAW_SURFS;
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166 drawSurfaces = safe_malloc_info(sizeof(dsurface_t) * numDrawSurfacesBuffer, "IncDrawSurfaces");
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168 memset(drawSurfaces, 0, MAX_MAP_DRAW_SURFS * sizeof(drawVert_t));
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171 void SetDrawSurfaces(int n)
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173 if(drawSurfaces != 0)
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174 free(drawSurfaces);
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176 numDrawSurfaces = n;
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177 numDrawSurfacesBuffer = numDrawSurfaces;
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179 drawSurfaces = safe_malloc_info(sizeof(dsurface_t) * numDrawSurfacesBuffer, "IncDrawSurfaces");
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181 memset(drawSurfaces, 0, n * sizeof(drawVert_t));
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184 void BspFilesCleanup()
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188 if(drawSurfaces != 0)
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189 free(drawSurfaces);
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190 if(lightBytes != 0)
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196 //=============================================================================
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202 If all values are 32 bits, this can be used to swap everything
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205 void SwapBlock( int *block, int sizeOfBlock ) {
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209 for ( i = 0 ; i < sizeOfBlock ; i++ ) {
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210 block[i] = LittleLong( block[i] );
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218 Byte swaps all data in a bsp file.
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221 void SwapBSPFile( void ) {
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225 SwapBlock( (int *)dmodels, nummodels * sizeof( dmodels[0] ) );
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227 // shaders (don't swap the name)
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228 for ( i = 0 ; i < numShaders ; i++ ) {
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229 dshaders[i].contentFlags = LittleLong( dshaders[i].contentFlags );
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230 dshaders[i].surfaceFlags = LittleLong( dshaders[i].surfaceFlags );
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234 SwapBlock( (int *)dplanes, numplanes * sizeof( dplanes[0] ) );
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237 SwapBlock( (int *)dnodes, numnodes * sizeof( dnodes[0] ) );
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240 SwapBlock( (int *)dleafs, numleafs * sizeof( dleafs[0] ) );
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243 SwapBlock( (int *)dleafsurfaces, numleafsurfaces * sizeof( dleafsurfaces[0] ) );
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246 SwapBlock( (int *)dleafbrushes, numleafbrushes * sizeof( dleafbrushes[0] ) );
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249 SwapBlock( (int *)dbrushes, numbrushes * sizeof( dbrushes[0] ) );
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252 SwapBlock( (int *)dbrushsides, numbrushsides * sizeof( dbrushsides[0] ) );
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255 ((int *)&visBytes)[0] = LittleLong( ((int *)&visBytes)[0] );
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256 ((int *)&visBytes)[1] = LittleLong( ((int *)&visBytes)[1] );
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258 // drawverts (don't swap colors )
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259 for ( i = 0 ; i < numDrawVerts ; i++ ) {
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260 drawVerts[i].lightmap[0] = LittleFloat( drawVerts[i].lightmap[0] );
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261 drawVerts[i].lightmap[1] = LittleFloat( drawVerts[i].lightmap[1] );
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262 drawVerts[i].st[0] = LittleFloat( drawVerts[i].st[0] );
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263 drawVerts[i].st[1] = LittleFloat( drawVerts[i].st[1] );
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264 drawVerts[i].xyz[0] = LittleFloat( drawVerts[i].xyz[0] );
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265 drawVerts[i].xyz[1] = LittleFloat( drawVerts[i].xyz[1] );
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266 drawVerts[i].xyz[2] = LittleFloat( drawVerts[i].xyz[2] );
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267 drawVerts[i].normal[0] = LittleFloat( drawVerts[i].normal[0] );
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268 drawVerts[i].normal[1] = LittleFloat( drawVerts[i].normal[1] );
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269 drawVerts[i].normal[2] = LittleFloat( drawVerts[i].normal[2] );
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273 SwapBlock( (int *)drawIndexes, numDrawIndexes * sizeof( drawIndexes[0] ) );
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276 SwapBlock( (int *)drawSurfaces, numDrawSurfaces * sizeof( drawSurfaces[0] ) );
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279 for ( i = 0 ; i < numFogs ; i++ ) {
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280 dfogs[i].brushNum = LittleLong( dfogs[i].brushNum );
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281 dfogs[i].visibleSide = LittleLong( dfogs[i].visibleSide );
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292 int GetLumpElements( dheader_t *header, int lump, int size ) {
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295 length = header->lumps[lump].filelen;
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296 ofs = header->lumps[lump].fileofs;
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298 if ( length % size ) {
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299 Error ("LoadBSPFile: odd lump size");
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302 return length / size;
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310 int CopyLump( dheader_t *header, int lump, void *dest, int size ) {
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313 length = header->lumps[lump].filelen;
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314 ofs = header->lumps[lump].fileofs;
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319 if ( length % size ) {
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320 Error ("LoadBSPFile: odd lump size");
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323 memcpy( dest, (byte *)header + ofs, length );
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325 return length / size;
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333 void LoadBSPFile( const char *filename ) {
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336 // load the file header
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337 LoadFile (filename, (void **)&header);
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340 SwapBlock( (int *)header, sizeof(*header) );
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342 if ( header->ident != BSP_IDENT ) {
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343 Error( "%s is not a IBSP file", filename );
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345 if ( header->version != bsp_version ) {
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346 Error( "%s is version %i, not %i", filename, header->version, bsp_version );
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349 numShaders = CopyLump( header, LUMP_SHADERS, dshaders, sizeof(dshader_t) );
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350 nummodels = CopyLump( header, LUMP_MODELS, dmodels, sizeof(dmodel_t) );
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351 numplanes = CopyLump( header, LUMP_PLANES, dplanes, sizeof(dplane_t) );
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352 numleafs = CopyLump( header, LUMP_LEAFS, dleafs, sizeof(dleaf_t) );
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353 numnodes = CopyLump( header, LUMP_NODES, dnodes, sizeof(dnode_t) );
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354 numleafsurfaces = CopyLump( header, LUMP_LEAFSURFACES, dleafsurfaces, sizeof(dleafsurfaces[0]) );
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355 numleafbrushes = CopyLump( header, LUMP_LEAFBRUSHES, dleafbrushes, sizeof(dleafbrushes[0]) );
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356 numbrushes = CopyLump( header, LUMP_BRUSHES, dbrushes, sizeof(dbrush_t) );
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357 numbrushsides = CopyLump( header, LUMP_BRUSHSIDES, dbrushsides, sizeof(dbrushside_t) );
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358 numDrawVerts = GetLumpElements( header, LUMP_DRAWVERTS, sizeof(drawVert_t) );
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359 SetDrawVerts(numDrawVerts);
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360 CopyLump( header, LUMP_DRAWVERTS, drawVerts, sizeof(drawVert_t) );
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361 numDrawSurfaces = GetLumpElements( header, LUMP_SURFACES, sizeof(dsurface_t) );
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362 SetDrawSurfaces(numDrawSurfaces);
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363 numDrawSurfaces = CopyLump( header, LUMP_SURFACES, drawSurfaces, sizeof(dsurface_t) );
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364 numFogs = CopyLump( header, LUMP_FOGS, dfogs, sizeof(dfog_t) );
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365 numDrawIndexes = CopyLump( header, LUMP_DRAWINDEXES, drawIndexes, sizeof(drawIndexes[0]) );
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367 numVisBytes = CopyLump( header, LUMP_VISIBILITY, visBytes, 1 );
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368 numLightBytes = GetLumpElements( header, LUMP_LIGHTMAPS, 1 );
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369 SetLightBytes(numLightBytes);
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370 CopyLump( header, LUMP_LIGHTMAPS, lightBytes, 1 );
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371 entdatasize = CopyLump( header, LUMP_ENTITIES, dentdata, 1);
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373 numGridPoints = GetLumpElements( header, LUMP_LIGHTGRID, 8 );
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374 SetGridPoints(numGridPoints);
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375 CopyLump( header, LUMP_LIGHTGRID, gridData, 8 );
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378 free( header ); // everything has been copied out
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385 //============================================================================
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392 void AddLump( FILE *bspfile, dheader_t *header, int lumpnum, const void *data, int len ) {
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395 lump = &header->lumps[lumpnum];
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397 lump->fileofs = LittleLong( ftell(bspfile) );
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398 lump->filelen = LittleLong( len );
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399 SafeWrite( bspfile, data, (len+3)&~3 );
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406 Swaps the bsp file in place, so it should not be referenced again
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409 void WriteBSPFile( const char *filename ) {
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410 dheader_t outheader, *header;
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413 header = &outheader;
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414 memset( header, 0, sizeof(dheader_t) );
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418 header->ident = LittleLong( BSP_IDENT );
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419 header->version = LittleLong( bsp_version );
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421 bspfile = SafeOpenWrite( filename );
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422 SafeWrite( bspfile, header, sizeof(dheader_t) ); // overwritten later
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424 AddLump( bspfile, header, LUMP_SHADERS, dshaders, numShaders*sizeof(dshader_t) );
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425 AddLump( bspfile, header, LUMP_PLANES, dplanes, numplanes*sizeof(dplane_t) );
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426 AddLump( bspfile, header, LUMP_LEAFS, dleafs, numleafs*sizeof(dleaf_t) );
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427 AddLump( bspfile, header, LUMP_NODES, dnodes, numnodes*sizeof(dnode_t) );
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428 AddLump( bspfile, header, LUMP_BRUSHES, dbrushes, numbrushes*sizeof(dbrush_t) );
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429 AddLump( bspfile, header, LUMP_BRUSHSIDES, dbrushsides, numbrushsides*sizeof(dbrushside_t) );
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430 AddLump( bspfile, header, LUMP_LEAFSURFACES, dleafsurfaces, numleafsurfaces*sizeof(dleafsurfaces[0]) );
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431 AddLump( bspfile, header, LUMP_LEAFBRUSHES, dleafbrushes, numleafbrushes*sizeof(dleafbrushes[0]) );
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432 AddLump( bspfile, header, LUMP_MODELS, dmodels, nummodels*sizeof(dmodel_t) );
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433 AddLump( bspfile, header, LUMP_DRAWVERTS, drawVerts, numDrawVerts*sizeof(drawVert_t) );
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434 AddLump( bspfile, header, LUMP_SURFACES, drawSurfaces, numDrawSurfaces*sizeof(dsurface_t) );
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435 AddLump( bspfile, header, LUMP_VISIBILITY, visBytes, numVisBytes );
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436 AddLump( bspfile, header, LUMP_LIGHTMAPS, lightBytes, numLightBytes );
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437 AddLump( bspfile, header, LUMP_LIGHTGRID, gridData, 8 * numGridPoints );
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438 AddLump( bspfile, header, LUMP_ENTITIES, dentdata, entdatasize );
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439 AddLump( bspfile, header, LUMP_FOGS, dfogs, numFogs * sizeof(dfog_t) );
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440 AddLump( bspfile, header, LUMP_DRAWINDEXES, drawIndexes, numDrawIndexes * sizeof(drawIndexes[0]) );
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442 fseek (bspfile, 0, SEEK_SET);
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443 SafeWrite (bspfile, header, sizeof(dheader_t));
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447 //============================================================================
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453 Dumps info about current file
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456 void PrintBSPFileSizes( void ) {
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457 if ( !num_entities ) {
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461 Sys_Printf ("%6i models %7i\n"
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462 ,nummodels, (int)(nummodels*sizeof(dmodel_t)));
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463 Sys_Printf ("%6i shaders %7i\n"
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464 ,numShaders, (int)(numShaders*sizeof(dshader_t)));
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465 Sys_Printf ("%6i brushes %7i\n"
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466 ,numbrushes, (int)(numbrushes*sizeof(dbrush_t)));
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467 Sys_Printf ("%6i brushsides %7i\n"
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468 ,numbrushsides, (int)(numbrushsides*sizeof(dbrushside_t)));
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469 Sys_Printf ("%6i fogs %7i\n"
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470 ,numFogs, (int)(numFogs*sizeof(dfog_t)));
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471 Sys_Printf ("%6i planes %7i\n"
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472 ,numplanes, (int)(numplanes*sizeof(dplane_t)));
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473 Sys_Printf ("%6i entdata %7i\n", num_entities, entdatasize);
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477 Sys_Printf ("%6i nodes %7i\n"
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478 ,numnodes, (int)(numnodes*sizeof(dnode_t)));
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479 Sys_Printf ("%6i leafs %7i\n"
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480 ,numleafs, (int)(numleafs*sizeof(dleaf_t)));
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481 Sys_Printf ("%6i leafsurfaces %7i\n"
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482 ,numleafsurfaces, (int)(numleafsurfaces*sizeof(dleafsurfaces[0])));
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483 Sys_Printf ("%6i leafbrushes %7i\n"
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484 ,numleafbrushes, (int)(numleafbrushes*sizeof(dleafbrushes[0])));
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485 Sys_Printf ("%6i drawverts %7i\n"
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486 ,numDrawVerts, (int)(numDrawVerts*sizeof(drawVerts[0])));
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487 Sys_Printf ("%6i drawindexes %7i\n"
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488 ,numDrawIndexes, (int)(numDrawIndexes*sizeof(drawIndexes[0])));
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489 Sys_Printf ("%6i drawsurfaces %7i\n"
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490 ,numDrawSurfaces, (int)(numDrawSurfaces*sizeof(drawSurfaces[0])));
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492 Sys_Printf ("%6i lightmaps %7i\n"
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493 ,numLightBytes / (LIGHTMAP_WIDTH*LIGHTMAP_HEIGHT*3), numLightBytes );
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494 Sys_Printf (" visibility %7i\n"
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499 //============================================
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502 entity_t entities[MAX_MAP_ENTITIES];
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504 void StripTrailing( char *e ) {
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507 s = e + strlen(e)-1;
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508 while (s >= e && *s <= 32)
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520 epair_t *ParseEpair( void ) {
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523 e = safe_malloc( sizeof(epair_t) );
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524 memset( e, 0, sizeof(epair_t) );
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526 if ( strlen(token) >= MAX_KEY-1 ) {
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527 Error ("ParseEpar: token too long");
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529 e->key = copystring( token );
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530 GetToken( qfalse );
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531 if ( strlen(token) >= MAX_VALUE-1 ) {
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532 Error ("ParseEpar: token too long");
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534 e->value = copystring( token );
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536 // strip trailing spaces that sometimes get accidentally
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537 // added in the editor
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538 StripTrailing( e->key );
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539 StripTrailing( e->value );
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550 qboolean ParseEntity( void ) {
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554 if ( !GetToken (qtrue) ) {
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558 if ( strcmp (token, "{") ) {
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559 Error ("ParseEntity: { not found");
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561 if ( num_entities == MAX_MAP_ENTITIES ) {
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562 Error ("num_entities == MAX_MAP_ENTITIES");
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564 mapent = &entities[num_entities];
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568 if ( !GetToken (qtrue) ) {
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569 Error ("ParseEntity: EOF without closing brace");
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571 if ( !strcmp (token, "}") ) {
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575 e->next = mapent->epairs;
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576 mapent->epairs = e;
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586 Parses the dentdata string into entities
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589 void ParseEntities( void ) {
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591 ParseFromMemory( dentdata, entdatasize );
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593 while ( ParseEntity () ) {
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602 Generates the dentdata string from all the entities
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603 This allows the utilities to add or remove key/value pairs
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604 to the data created by the map editor.
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607 void UnparseEntities( void ) {
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612 char key[1024], value[1024];
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618 for (i=0 ; i<num_entities ; i++) {
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619 ep = entities[i].epairs;
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621 continue; // ent got removed
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624 strcat (end,"{\n");
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627 for ( ep = entities[i].epairs ; ep ; ep=ep->next ) {
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628 strcpy (key, ep->key);
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629 StripTrailing (key);
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630 strcpy (value, ep->value);
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631 StripTrailing (value);
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633 sprintf (line, "\"%s\" \"%s\"\n", key, value);
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634 strcat (end, line);
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635 end += strlen(line);
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637 strcat (end,"}\n");
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640 if (end > buf + MAX_MAP_ENTSTRING) {
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641 Error ("Entity text too long");
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644 entdatasize = end - buf + 1;
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647 void PrintEntity( const entity_t *ent ) {
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650 Sys_Printf ("------- entity %p -------\n", ent);
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651 for (ep=ent->epairs ; ep ; ep=ep->next) {
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652 Sys_Printf( "%s = %s\n", ep->key, ep->value );
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657 void SetKeyValue( entity_t *ent, const char *key, const char *value ) {
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660 for ( ep=ent->epairs ; ep ; ep=ep->next ) {
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661 if ( !strcmp (ep->key, key) ) {
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663 ep->value = copystring(value);
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667 ep = safe_malloc (sizeof(*ep));
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668 ep->next = ent->epairs;
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670 ep->key = copystring(key);
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671 ep->value = copystring(value);
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674 const char *ValueForKey( const entity_t *ent, const char *key ) {
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677 for (ep=ent->epairs ; ep ; ep=ep->next) {
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678 if (!strcmp (ep->key, key) ) {
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685 vec_t FloatForKey( const entity_t *ent, const char *key ) {
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688 k = ValueForKey( ent, key );
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692 void GetVectorForKey( const entity_t *ent, const char *key, vec3_t vec ) {
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696 k = ValueForKey (ent, key);
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698 // scanf into doubles, then assign, so it is vec_t size independent
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700 sscanf (k, "%lf %lf %lf", &v1, &v2, &v3);
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