mirror of
https://github.com/TTimo/GtkRadiant.git
synced 2024-11-10 15:21:59 +00:00
287 lines
7.3 KiB
C++
287 lines
7.3 KiB
C++
/*
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BobToolz plugin for GtkRadiant
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Copyright (C) 2001 Gordon Biggans
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "StdAfx.h"
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#include "./dialogs/dialogs-gtk.h"
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#include "bsploader.h"
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#include "../../libs/cmdlib.h"
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int numnodes;
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int numplanes;
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int numleafs;
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int numleafsurfaces;
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int numVisBytes;
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int numDrawVerts;
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int numDrawSurfaces;
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int numbrushes;
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int numbrushsides;
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int numleafbrushes;
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byte *visBytes = NULL;
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dnode_t *dnodes = NULL;
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dplane_t *dplanes = NULL;
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dleaf_t *dleafs = NULL;
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qdrawVert_t *drawVerts = NULL;
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dsurface_t *drawSurfaces = NULL;
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int *dleafsurfaces = NULL;
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dbrush_t *dbrushes = NULL;
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dbrushside_t *dbrushsides = NULL;
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int *dleafbrushes = NULL;
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#define BSP_IDENT ( ( 'P' << 24 ) + ( 'S' << 16 ) + ( 'B' << 8 ) + 'I' )
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#define Q3_BSP_VERSION 46
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#define WOLF_BSP_VERSION 47
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/*
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================
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FileLength
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================
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*/
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int FileLength( FILE *f ){
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int pos;
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int end;
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pos = ftell( f );
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fseek( f, 0, SEEK_END );
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end = ftell( f );
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fseek( f, pos, SEEK_SET );
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return end;
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}
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/*
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==============
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LoadFile
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==============
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*/
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qboolean LoadFile( const char *filename, byte **bufferptr ){
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FILE *f;
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int length;
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byte *buffer;
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f = fopen( filename, "rb" );
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if ( !f ) {
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return false;
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}
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length = FileLength( f );
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buffer = new byte[length + 1];
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buffer[length] = 0;
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fread( buffer, 1, length, f );
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fclose( f );
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*bufferptr = buffer;
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return true;
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}
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/*int LittleLong (int l)
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{
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return l;
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}
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float LittleFloat (float l)
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{
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return l;
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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 == 0 ) {
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return 0;
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}
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*dest = new byte[length];
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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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qboolean LoadBSPFile( const char *filename ) {
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dheader_t *header;
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// load the file header
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if ( !LoadFile( filename, (byte **)&header ) ) {
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return false;
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}
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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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DoMessageBox( "Cant find a valid IBSP file", "Error", MB_OK );
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return false;
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}
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if ( ( header->version != Q3_BSP_VERSION ) &&
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( header->version != WOLF_BSP_VERSION ) ) {
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DoMessageBox( "File is incorrect version", "Error", MB_OK );
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return false;
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}
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numbrushsides = CopyLump( header, LUMP_BRUSHES, (void**)&dbrushsides, sizeof( dbrushside_t ) );
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numbrushes = CopyLump( header, LUMP_BRUSHES, (void**)&dbrushes, sizeof( dbrush_t ) );
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numplanes = CopyLump( header, LUMP_PLANES, (void**)&dplanes, sizeof( dplane_t ) );
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numleafs = CopyLump( header, LUMP_LEAFS, (void**)&dleafs, sizeof( dleaf_t ) );
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numnodes = CopyLump( header, LUMP_NODES, (void**)&dnodes, sizeof( dnode_t ) );
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numDrawVerts = CopyLump( header, LUMP_DRAWVERTS, (void**)&drawVerts, sizeof( qdrawVert_t ) );
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numDrawSurfaces = CopyLump( header, LUMP_SURFACES, (void**)&drawSurfaces, sizeof( dsurface_t ) );
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numleafsurfaces = CopyLump( header, LUMP_LEAFSURFACES, (void**)&dleafsurfaces, sizeof( int ) );
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numVisBytes = CopyLump( header, LUMP_VISIBILITY, (void**)&visBytes, 1 );
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numleafbrushes = CopyLump( header, LUMP_LEAFBRUSHES, (void**)&dleafbrushes, sizeof( int ) );
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delete header; // everything has been copied out
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// swap everything
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SwapBSPFile();
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return true;
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}
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void FreeBSPData(){
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if ( visBytes ) {
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delete visBytes;
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}
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if ( dnodes ) {
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delete dnodes;
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}
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if ( dplanes ) {
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delete dplanes;
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}
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if ( dleafs ) {
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delete dleafs;
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}
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if ( drawVerts ) {
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delete drawVerts;
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}
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if ( drawSurfaces ) {
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delete drawSurfaces;
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}
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if ( dleafsurfaces ) {
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delete dleafsurfaces;
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}
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if ( dleafbrushes ) {
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delete dleafbrushes;
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}
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if ( dbrushes ) {
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delete dbrushes;
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}
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if ( dbrushsides ) {
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delete dbrushsides;
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}
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}
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