The Quake III Arena sources as originally released under the GPL license on August 20, 2005.
This commit is contained in:
Travis Bradshaw
commit
dbe4ddb103
1409 changed files with 806066 additions and 0 deletions
564
common/bspfile.c
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564
common/bspfile.c
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/*
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===========================================================================
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Copyright (C) 1999-2005 Id Software, Inc.
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This file is part of Quake III Arena source code.
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Quake III Arena source code is free software; you can redistribute it
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and/or modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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Quake III Arena source code is distributed in the hope that it will be
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useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Foobar; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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===========================================================================
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*/
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#include "cmdlib.h"
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#include "mathlib.h"
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#include "bspfile.h"
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#include "scriplib.h"
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void GetLeafNums (void);
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//=============================================================================
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int nummodels;
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dmodel_t dmodels[MAX_MAP_MODELS];
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int numShaders;
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dshader_t dshaders[MAX_MAP_SHADERS];
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int entdatasize;
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char dentdata[MAX_MAP_ENTSTRING];
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int numleafs;
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dleaf_t dleafs[MAX_MAP_LEAFS];
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int numplanes;
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dplane_t dplanes[MAX_MAP_PLANES];
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int numnodes;
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dnode_t dnodes[MAX_MAP_NODES];
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int numleafsurfaces;
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int dleafsurfaces[MAX_MAP_LEAFFACES];
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int numleafbrushes;
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int dleafbrushes[MAX_MAP_LEAFBRUSHES];
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int numbrushes;
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dbrush_t dbrushes[MAX_MAP_BRUSHES];
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int numbrushsides;
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dbrushside_t dbrushsides[MAX_MAP_BRUSHSIDES];
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int numLightBytes;
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byte lightBytes[MAX_MAP_LIGHTING];
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int numGridPoints;
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byte gridData[MAX_MAP_LIGHTGRID];
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int numVisBytes;
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byte visBytes[MAX_MAP_VISIBILITY];
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int numDrawVerts;
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drawVert_t drawVerts[MAX_MAP_DRAW_VERTS];
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int numDrawIndexes;
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int drawIndexes[MAX_MAP_DRAW_INDEXES];
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int numDrawSurfaces;
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dsurface_t drawSurfaces[MAX_MAP_DRAW_SURFS];
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int numFogs;
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dfog_t dfogs[MAX_MAP_FOGS];
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//=============================================================================
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/*
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=============
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SwapBlock
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If all values are 32 bits, this can be used to swap everything
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=============
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*/
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void SwapBlock( int *block, int sizeOfBlock ) {
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int i;
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sizeOfBlock >>= 2;
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for ( i = 0 ; i < sizeOfBlock ; i++ ) {
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block[i] = LittleLong( block[i] );
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}
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}
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/*
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=============
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SwapBSPFile
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Byte swaps all data in a bsp file.
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=============
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*/
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void SwapBSPFile( void ) {
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int i;
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// models
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SwapBlock( (int *)dmodels, nummodels * sizeof( dmodels[0] ) );
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// shaders (don't swap the name)
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for ( i = 0 ; i < numShaders ; i++ ) {
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dshaders[i].contentFlags = LittleLong( dshaders[i].contentFlags );
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dshaders[i].surfaceFlags = LittleLong( dshaders[i].surfaceFlags );
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}
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// planes
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SwapBlock( (int *)dplanes, numplanes * sizeof( dplanes[0] ) );
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// nodes
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SwapBlock( (int *)dnodes, numnodes * sizeof( dnodes[0] ) );
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// leafs
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SwapBlock( (int *)dleafs, numleafs * sizeof( dleafs[0] ) );
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// leaffaces
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SwapBlock( (int *)dleafsurfaces, numleafsurfaces * sizeof( dleafsurfaces[0] ) );
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// leafbrushes
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SwapBlock( (int *)dleafbrushes, numleafbrushes * sizeof( dleafbrushes[0] ) );
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// brushes
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SwapBlock( (int *)dbrushes, numbrushes * sizeof( dbrushes[0] ) );
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// brushsides
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SwapBlock( (int *)dbrushsides, numbrushsides * sizeof( dbrushsides[0] ) );
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// vis
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((int *)&visBytes)[0] = LittleLong( ((int *)&visBytes)[0] );
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((int *)&visBytes)[1] = LittleLong( ((int *)&visBytes)[1] );
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// drawverts (don't swap colors )
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for ( i = 0 ; i < numDrawVerts ; i++ ) {
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drawVerts[i].lightmap[0] = LittleFloat( drawVerts[i].lightmap[0] );
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drawVerts[i].lightmap[1] = LittleFloat( drawVerts[i].lightmap[1] );
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drawVerts[i].st[0] = LittleFloat( drawVerts[i].st[0] );
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drawVerts[i].st[1] = LittleFloat( drawVerts[i].st[1] );
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drawVerts[i].xyz[0] = LittleFloat( drawVerts[i].xyz[0] );
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drawVerts[i].xyz[1] = LittleFloat( drawVerts[i].xyz[1] );
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drawVerts[i].xyz[2] = LittleFloat( drawVerts[i].xyz[2] );
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drawVerts[i].normal[0] = LittleFloat( drawVerts[i].normal[0] );
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drawVerts[i].normal[1] = LittleFloat( drawVerts[i].normal[1] );
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drawVerts[i].normal[2] = LittleFloat( drawVerts[i].normal[2] );
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}
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// drawindexes
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SwapBlock( (int *)drawIndexes, numDrawIndexes * sizeof( drawIndexes[0] ) );
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// drawsurfs
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SwapBlock( (int *)drawSurfaces, numDrawSurfaces * sizeof( drawSurfaces[0] ) );
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// fogs
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for ( i = 0 ; i < numFogs ; i++ ) {
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dfogs[i].brushNum = LittleLong( dfogs[i].brushNum );
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dfogs[i].visibleSide = LittleLong( dfogs[i].visibleSide );
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}
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}
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/*
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=============
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CopyLump
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=============
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*/
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int CopyLump( dheader_t *header, int lump, void *dest, int size ) {
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int length, ofs;
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length = header->lumps[lump].filelen;
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ofs = header->lumps[lump].fileofs;
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if ( length % size ) {
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Error ("LoadBSPFile: odd lump size");
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}
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memcpy( dest, (byte *)header + ofs, length );
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return length / size;
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}
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/*
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=============
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LoadBSPFile
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=============
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*/
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void LoadBSPFile( const char *filename ) {
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dheader_t *header;
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// load the file header
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LoadFile (filename, (void **)&header);
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// swap the header
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SwapBlock( (int *)header, sizeof(*header) );
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if ( header->ident != BSP_IDENT ) {
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Error( "%s is not a IBSP file", filename );
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}
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if ( header->version != BSP_VERSION ) {
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Error( "%s is version %i, not %i", filename, header->version, BSP_VERSION );
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}
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numShaders = CopyLump( header, LUMP_SHADERS, dshaders, sizeof(dshader_t) );
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nummodels = CopyLump( header, LUMP_MODELS, dmodels, sizeof(dmodel_t) );
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numplanes = CopyLump( header, LUMP_PLANES, dplanes, sizeof(dplane_t) );
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numleafs = CopyLump( header, LUMP_LEAFS, dleafs, sizeof(dleaf_t) );
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numnodes = CopyLump( header, LUMP_NODES, dnodes, sizeof(dnode_t) );
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numleafsurfaces = CopyLump( header, LUMP_LEAFSURFACES, dleafsurfaces, sizeof(dleafsurfaces[0]) );
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numleafbrushes = CopyLump( header, LUMP_LEAFBRUSHES, dleafbrushes, sizeof(dleafbrushes[0]) );
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numbrushes = CopyLump( header, LUMP_BRUSHES, dbrushes, sizeof(dbrush_t) );
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numbrushsides = CopyLump( header, LUMP_BRUSHSIDES, dbrushsides, sizeof(dbrushside_t) );
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numDrawVerts = CopyLump( header, LUMP_DRAWVERTS, drawVerts, sizeof(drawVert_t) );
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numDrawSurfaces = CopyLump( header, LUMP_SURFACES, drawSurfaces, sizeof(dsurface_t) );
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numFogs = CopyLump( header, LUMP_FOGS, dfogs, sizeof(dfog_t) );
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numDrawIndexes = CopyLump( header, LUMP_DRAWINDEXES, drawIndexes, sizeof(drawIndexes[0]) );
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numVisBytes = CopyLump( header, LUMP_VISIBILITY, visBytes, 1 );
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numLightBytes = CopyLump( header, LUMP_LIGHTMAPS, lightBytes, 1 );
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entdatasize = CopyLump( header, LUMP_ENTITIES, dentdata, 1);
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numGridPoints = CopyLump( header, LUMP_LIGHTGRID, gridData, 8 );
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free( header ); // everything has been copied out
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// swap everything
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SwapBSPFile();
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}
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//============================================================================
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/*
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=============
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AddLump
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=============
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*/
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void AddLump( FILE *bspfile, dheader_t *header, int lumpnum, const void *data, int len ) {
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lump_t *lump;
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lump = &header->lumps[lumpnum];
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lump->fileofs = LittleLong( ftell(bspfile) );
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lump->filelen = LittleLong( len );
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SafeWrite( bspfile, data, (len+3)&~3 );
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}
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/*
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=============
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WriteBSPFile
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Swaps the bsp file in place, so it should not be referenced again
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=============
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*/
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void WriteBSPFile( const char *filename ) {
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dheader_t outheader, *header;
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FILE *bspfile;
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header = &outheader;
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memset( header, 0, sizeof(dheader_t) );
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SwapBSPFile();
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header->ident = LittleLong( BSP_IDENT );
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header->version = LittleLong( BSP_VERSION );
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bspfile = SafeOpenWrite( filename );
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SafeWrite( bspfile, header, sizeof(dheader_t) ); // overwritten later
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AddLump( bspfile, header, LUMP_SHADERS, dshaders, numShaders*sizeof(dshader_t) );
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AddLump( bspfile, header, LUMP_PLANES, dplanes, numplanes*sizeof(dplane_t) );
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AddLump( bspfile, header, LUMP_LEAFS, dleafs, numleafs*sizeof(dleaf_t) );
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AddLump( bspfile, header, LUMP_NODES, dnodes, numnodes*sizeof(dnode_t) );
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AddLump( bspfile, header, LUMP_BRUSHES, dbrushes, numbrushes*sizeof(dbrush_t) );
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AddLump( bspfile, header, LUMP_BRUSHSIDES, dbrushsides, numbrushsides*sizeof(dbrushside_t) );
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AddLump( bspfile, header, LUMP_LEAFSURFACES, dleafsurfaces, numleafsurfaces*sizeof(dleafsurfaces[0]) );
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AddLump( bspfile, header, LUMP_LEAFBRUSHES, dleafbrushes, numleafbrushes*sizeof(dleafbrushes[0]) );
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AddLump( bspfile, header, LUMP_MODELS, dmodels, nummodels*sizeof(dmodel_t) );
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AddLump( bspfile, header, LUMP_DRAWVERTS, drawVerts, numDrawVerts*sizeof(drawVert_t) );
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AddLump( bspfile, header, LUMP_SURFACES, drawSurfaces, numDrawSurfaces*sizeof(dsurface_t) );
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AddLump( bspfile, header, LUMP_VISIBILITY, visBytes, numVisBytes );
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AddLump( bspfile, header, LUMP_LIGHTMAPS, lightBytes, numLightBytes );
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AddLump( bspfile, header, LUMP_LIGHTGRID, gridData, 8 * numGridPoints );
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AddLump( bspfile, header, LUMP_ENTITIES, dentdata, entdatasize );
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AddLump( bspfile, header, LUMP_FOGS, dfogs, numFogs * sizeof(dfog_t) );
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AddLump( bspfile, header, LUMP_DRAWINDEXES, drawIndexes, numDrawIndexes * sizeof(drawIndexes[0]) );
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fseek (bspfile, 0, SEEK_SET);
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SafeWrite (bspfile, header, sizeof(dheader_t));
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fclose (bspfile);
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}
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//============================================================================
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/*
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=============
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PrintBSPFileSizes
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Dumps info about current file
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=============
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*/
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void PrintBSPFileSizes( void ) {
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if ( !num_entities ) {
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ParseEntities();
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}
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printf ("%6i models %7i\n"
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,nummodels, (int)(nummodels*sizeof(dmodel_t)));
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printf ("%6i shaders %7i\n"
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,numShaders, (int)(numShaders*sizeof(dshader_t)));
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printf ("%6i brushes %7i\n"
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,numbrushes, (int)(numbrushes*sizeof(dbrush_t)));
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printf ("%6i brushsides %7i\n"
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,numbrushsides, (int)(numbrushsides*sizeof(dbrushside_t)));
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printf ("%6i fogs %7i\n"
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,numFogs, (int)(numFogs*sizeof(dfog_t)));
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printf ("%6i planes %7i\n"
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,numplanes, (int)(numplanes*sizeof(dplane_t)));
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printf ("%6i entdata %7i\n", num_entities, entdatasize);
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printf ("\n");
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printf ("%6i nodes %7i\n"
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,numnodes, (int)(numnodes*sizeof(dnode_t)));
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printf ("%6i leafs %7i\n"
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,numleafs, (int)(numleafs*sizeof(dleaf_t)));
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printf ("%6i leafsurfaces %7i\n"
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,numleafsurfaces, (int)(numleafsurfaces*sizeof(dleafsurfaces[0])));
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printf ("%6i leafbrushes %7i\n"
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,numleafbrushes, (int)(numleafbrushes*sizeof(dleafbrushes[0])));
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printf ("%6i drawverts %7i\n"
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,numDrawVerts, (int)(numDrawVerts*sizeof(drawVerts[0])));
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printf ("%6i drawindexes %7i\n"
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,numDrawIndexes, (int)(numDrawIndexes*sizeof(drawIndexes[0])));
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printf ("%6i drawsurfaces %7i\n"
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,numDrawSurfaces, (int)(numDrawSurfaces*sizeof(drawSurfaces[0])));
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printf ("%6i lightmaps %7i\n"
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,numLightBytes / (LIGHTMAP_WIDTH*LIGHTMAP_HEIGHT*3), numLightBytes );
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printf (" visibility %7i\n"
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, numVisBytes );
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}
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//============================================
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int num_entities;
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entity_t entities[MAX_MAP_ENTITIES];
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void StripTrailing( char *e ) {
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char *s;
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s = e + strlen(e)-1;
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while (s >= e && *s <= 32)
|
||||
{
|
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*s = 0;
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s--;
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}
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||||
}
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||||
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||||
/*
|
||||
=================
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ParseEpair
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=================
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||||
*/
|
||||
epair_t *ParseEpair( void ) {
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||||
epair_t *e;
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||||
|
||||
e = malloc( sizeof(epair_t) );
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memset( e, 0, sizeof(epair_t) );
|
||||
|
||||
if ( strlen(token) >= MAX_KEY-1 ) {
|
||||
Error ("ParseEpar: token too long");
|
||||
}
|
||||
e->key = copystring( token );
|
||||
GetToken( qfalse );
|
||||
if ( strlen(token) >= MAX_VALUE-1 ) {
|
||||
Error ("ParseEpar: token too long");
|
||||
}
|
||||
e->value = copystring( token );
|
||||
|
||||
// strip trailing spaces that sometimes get accidentally
|
||||
// added in the editor
|
||||
StripTrailing( e->key );
|
||||
StripTrailing( e->value );
|
||||
|
||||
return e;
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
================
|
||||
ParseEntity
|
||||
================
|
||||
*/
|
||||
qboolean ParseEntity( void ) {
|
||||
epair_t *e;
|
||||
entity_t *mapent;
|
||||
|
||||
if ( !GetToken (qtrue) ) {
|
||||
return qfalse;
|
||||
}
|
||||
|
||||
if ( strcmp (token, "{") ) {
|
||||
Error ("ParseEntity: { not found");
|
||||
}
|
||||
if ( num_entities == MAX_MAP_ENTITIES ) {
|
||||
Error ("num_entities == MAX_MAP_ENTITIES");
|
||||
}
|
||||
mapent = &entities[num_entities];
|
||||
num_entities++;
|
||||
|
||||
do {
|
||||
if ( !GetToken (qtrue) ) {
|
||||
Error ("ParseEntity: EOF without closing brace");
|
||||
}
|
||||
if ( !strcmp (token, "}") ) {
|
||||
break;
|
||||
}
|
||||
e = ParseEpair ();
|
||||
e->next = mapent->epairs;
|
||||
mapent->epairs = e;
|
||||
} while (1);
|
||||
|
||||
return qtrue;
|
||||
}
|
||||
|
||||
/*
|
||||
================
|
||||
ParseEntities
|
||||
|
||||
Parses the dentdata string into entities
|
||||
================
|
||||
*/
|
||||
void ParseEntities( void ) {
|
||||
num_entities = 0;
|
||||
ParseFromMemory( dentdata, entdatasize );
|
||||
|
||||
while ( ParseEntity () ) {
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
================
|
||||
UnparseEntities
|
||||
|
||||
Generates the dentdata string from all the entities
|
||||
This allows the utilities to add or remove key/value pairs
|
||||
to the data created by the map editor.
|
||||
================
|
||||
*/
|
||||
void UnparseEntities( void ) {
|
||||
char *buf, *end;
|
||||
epair_t *ep;
|
||||
char line[2048];
|
||||
int i;
|
||||
char key[1024], value[1024];
|
||||
|
||||
buf = dentdata;
|
||||
end = buf;
|
||||
*end = 0;
|
||||
|
||||
for (i=0 ; i<num_entities ; i++) {
|
||||
ep = entities[i].epairs;
|
||||
if ( !ep ) {
|
||||
continue; // ent got removed
|
||||
}
|
||||
|
||||
strcat (end,"{\n");
|
||||
end += 2;
|
||||
|
||||
for ( ep = entities[i].epairs ; ep ; ep=ep->next ) {
|
||||
strcpy (key, ep->key);
|
||||
StripTrailing (key);
|
||||
strcpy (value, ep->value);
|
||||
StripTrailing (value);
|
||||
|
||||
sprintf (line, "\"%s\" \"%s\"\n", key, value);
|
||||
strcat (end, line);
|
||||
end += strlen(line);
|
||||
}
|
||||
strcat (end,"}\n");
|
||||
end += 2;
|
||||
|
||||
if (end > buf + MAX_MAP_ENTSTRING) {
|
||||
Error ("Entity text too long");
|
||||
}
|
||||
}
|
||||
entdatasize = end - buf + 1;
|
||||
}
|
||||
|
||||
void PrintEntity( const entity_t *ent ) {
|
||||
epair_t *ep;
|
||||
|
||||
printf ("------- entity %p -------\n", ent);
|
||||
for (ep=ent->epairs ; ep ; ep=ep->next) {
|
||||
printf( "%s = %s\n", ep->key, ep->value );
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
void SetKeyValue( entity_t *ent, const char *key, const char *value ) {
|
||||
epair_t *ep;
|
||||
|
||||
for ( ep=ent->epairs ; ep ; ep=ep->next ) {
|
||||
if ( !strcmp (ep->key, key) ) {
|
||||
free (ep->value);
|
||||
ep->value = copystring(value);
|
||||
return;
|
||||
}
|
||||
}
|
||||
ep = malloc (sizeof(*ep));
|
||||
ep->next = ent->epairs;
|
||||
ent->epairs = ep;
|
||||
ep->key = copystring(key);
|
||||
ep->value = copystring(value);
|
||||
}
|
||||
|
||||
const char *ValueForKey( const entity_t *ent, const char *key ) {
|
||||
epair_t *ep;
|
||||
|
||||
for (ep=ent->epairs ; ep ; ep=ep->next) {
|
||||
if (!strcmp (ep->key, key) ) {
|
||||
return ep->value;
|
||||
}
|
||||
}
|
||||
return "";
|
||||
}
|
||||
|
||||
vec_t FloatForKey( const entity_t *ent, const char *key ) {
|
||||
const char *k;
|
||||
|
||||
k = ValueForKey( ent, key );
|
||||
return atof(k);
|
||||
}
|
||||
|
||||
void GetVectorForKey( const entity_t *ent, const char *key, vec3_t vec ) {
|
||||
const char *k;
|
||||
double v1, v2, v3;
|
||||
|
||||
k = ValueForKey (ent, key);
|
||||
|
||||
// scanf into doubles, then assign, so it is vec_t size independent
|
||||
v1 = v2 = v3 = 0;
|
||||
sscanf (k, "%lf %lf %lf", &v1, &v2, &v3);
|
||||
vec[0] = v1;
|
||||
vec[1] = v2;
|
||||
vec[2] = v3;
|
||||
}
|
||||
|
||||
|
||||
Loading…
Add table
Add a link
Reference in a new issue