706 lines
18 KiB
C
706 lines
18 KiB
C
/*
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Copyright (C) 1999-2007 id Software, Inc. and contributors.
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For a list of contributors, see the accompanying CONTRIBUTORS file.
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This file is part of GtkRadiant.
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GtkRadiant is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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GtkRadiant 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
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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 GtkRadiant; 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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#include "cmdlib.h"
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#include "mathlib.h"
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#include "inout.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 bsp_version = Q3_BSP_VERSION;
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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;
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int numGridPoints;
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byte *gridData;
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int numVisBytes;
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byte visBytes[MAX_MAP_VISIBILITY];
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int numDrawVerts = 0;
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int numDrawVertsBuffer = 0;
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drawVert_t *drawVerts = NULL;
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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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int numDrawSurfacesBuffer = 0;
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dsurface_t *drawSurfaces = NULL;
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int numFogs;
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dfog_t dfogs[MAX_MAP_FOGS];
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void SetLightBytes( int n ){
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if ( lightBytes != 0 ) {
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free( lightBytes );
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}
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numLightBytes = n;
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if ( n == 0 ) {
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return;
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}
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lightBytes = safe_malloc_info( numLightBytes, "SetLightBytes" );
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memset( lightBytes, 0, numLightBytes );
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}
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void SetGridPoints( int n ){
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if ( gridData != 0 ) {
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free( gridData );
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}
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numGridPoints = n;
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if ( n == 0 ) {
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return;
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}
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gridData = safe_malloc_info( numGridPoints * 8, "SetGridPoints" );
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memset( gridData, 0, numGridPoints * 8 );
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}
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void IncDrawVerts(){
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numDrawVerts++;
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if ( drawVerts == 0 ) {
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numDrawVertsBuffer = MAX_MAP_DRAW_VERTS / 37;
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drawVerts = safe_malloc_info( sizeof( drawVert_t ) * numDrawVertsBuffer, "IncDrawVerts" );
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}
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else if ( numDrawVerts > numDrawVertsBuffer ) {
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numDrawVertsBuffer *= 3; // multiply by 1.5
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numDrawVertsBuffer /= 2;
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if ( numDrawVertsBuffer > MAX_MAP_DRAW_VERTS ) {
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numDrawVertsBuffer = MAX_MAP_DRAW_VERTS;
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}
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drawVerts = realloc( drawVerts, sizeof( drawVert_t ) * numDrawVertsBuffer );
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if ( !drawVerts ) {
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Error( "realloc() failed (IncDrawVerts)" );
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}
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}
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memset( drawVerts + ( numDrawVerts - 1 ), 0, sizeof( drawVert_t ) );
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}
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void SetDrawVerts( int n ){
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if ( drawVerts != 0 ) {
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free( drawVerts );
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}
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numDrawVerts = n;
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numDrawVertsBuffer = numDrawVerts;
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drawVerts = safe_malloc_info( sizeof( drawVert_t ) * numDrawVertsBuffer, "IncDrawVerts" );
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memset( drawVerts, 0, n * sizeof( drawVert_t ) );
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}
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void SetDrawSurfacesBuffer(){
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if ( drawSurfaces != 0 ) {
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free( drawSurfaces );
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}
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numDrawSurfacesBuffer = MAX_MAP_DRAW_SURFS;
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drawSurfaces = safe_malloc_info( sizeof( dsurface_t ) * numDrawSurfacesBuffer, "IncDrawSurfaces" );
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memset( drawSurfaces, 0, MAX_MAP_DRAW_SURFS * sizeof( drawVert_t ) );
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}
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void SetDrawSurfaces( int n ){
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if ( drawSurfaces != 0 ) {
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free( drawSurfaces );
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}
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numDrawSurfaces = n;
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numDrawSurfacesBuffer = numDrawSurfaces;
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drawSurfaces = safe_malloc_info( sizeof( dsurface_t ) * numDrawSurfacesBuffer, "IncDrawSurfaces" );
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memset( drawSurfaces, 0, n * sizeof( drawVert_t ) );
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}
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void BspFilesCleanup(){
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if ( drawVerts != 0 ) {
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free( drawVerts );
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}
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if ( drawSurfaces != 0 ) {
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free( drawSurfaces );
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}
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if ( lightBytes != 0 ) {
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free( lightBytes );
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}
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if ( gridData != 0 ) {
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free( gridData );
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}
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}
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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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GetLumpElements
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=============
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*/
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int GetLumpElements( dheader_t *header, int lump, int size ) {
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int length = header->lumps[lump].filelen;
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if ( length % size ) {
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Error( "LoadBSPFile: odd lump size" );
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}
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return length / size;
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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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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 = GetLumpElements( header, LUMP_DRAWVERTS, sizeof( drawVert_t ) );
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SetDrawVerts( numDrawVerts );
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CopyLump( header, LUMP_DRAWVERTS, drawVerts, sizeof( drawVert_t ) );
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numDrawSurfaces = GetLumpElements( header, LUMP_SURFACES, sizeof( dsurface_t ) );
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SetDrawSurfaces( numDrawSurfaces );
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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 = GetLumpElements( header, LUMP_LIGHTMAPS, 1 );
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SetLightBytes( numLightBytes );
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CopyLump( header, LUMP_LIGHTMAPS, lightBytes, 1 );
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entdatasize = CopyLump( header, LUMP_ENTITIES, dentdata, 1 );
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numGridPoints = GetLumpElements( header, LUMP_LIGHTGRID, 8 );
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SetGridPoints( numGridPoints );
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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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Sys_Printf( "%6i models %7i\n"
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,nummodels, (int)( nummodels * sizeof( dmodel_t ) ) );
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Sys_Printf( "%6i shaders %7i\n"
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,numShaders, (int)( numShaders * sizeof( dshader_t ) ) );
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Sys_Printf( "%6i brushes %7i\n"
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,numbrushes, (int)( numbrushes * sizeof( dbrush_t ) ) );
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Sys_Printf( "%6i brushsides %7i\n"
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,numbrushsides, (int)( numbrushsides * sizeof( dbrushside_t ) ) );
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Sys_Printf( "%6i fogs %7i\n"
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,numFogs, (int)( numFogs * sizeof( dfog_t ) ) );
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Sys_Printf( "%6i planes %7i\n"
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,numplanes, (int)( numplanes * sizeof( dplane_t ) ) );
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Sys_Printf( "%6i entdata %7i\n", num_entities, entdatasize );
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Sys_Printf( "\n" );
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Sys_Printf( "%6i nodes %7i\n"
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,numnodes, (int)( numnodes * sizeof( dnode_t ) ) );
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Sys_Printf( "%6i leafs %7i\n"
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,numleafs, (int)( numleafs * sizeof( dleaf_t ) ) );
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Sys_Printf( "%6i leafsurfaces %7i\n"
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,numleafsurfaces, (int)( numleafsurfaces * sizeof( dleafsurfaces[0] ) ) );
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Sys_Printf( "%6i leafbrushes %7i\n"
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,numleafbrushes, (int)( numleafbrushes * sizeof( dleafbrushes[0] ) ) );
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Sys_Printf( "%6i drawverts %7i\n"
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,numDrawVerts, (int)( numDrawVerts * sizeof( drawVerts[0] ) ) );
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Sys_Printf( "%6i drawindexes %7i\n"
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,numDrawIndexes, (int)( numDrawIndexes * sizeof( drawIndexes[0] ) ) );
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Sys_Printf( "%6i drawsurfaces %7i\n"
|
|
,numDrawSurfaces, (int)( numDrawSurfaces * sizeof( drawSurfaces[0] ) ) );
|
|
|
|
Sys_Printf( "%6i lightmaps %7i\n"
|
|
,numLightBytes / ( LIGHTMAP_WIDTH * LIGHTMAP_HEIGHT * 3 ), numLightBytes );
|
|
Sys_Printf( " visibility %7i\n"
|
|
, numVisBytes );
|
|
}
|
|
|
|
|
|
//============================================
|
|
|
|
int num_entities;
|
|
entity_t entities[MAX_MAP_ENTITIES];
|
|
|
|
void StripTrailing( char *e ) {
|
|
char *s;
|
|
|
|
s = e + strlen( e ) - 1;
|
|
while ( s >= e && *s <= 32 )
|
|
{
|
|
*s = 0;
|
|
s--;
|
|
}
|
|
}
|
|
|
|
/*
|
|
=================
|
|
ParseEpair
|
|
=================
|
|
*/
|
|
epair_t *ParseEpair( void ) {
|
|
epair_t *e;
|
|
|
|
e = safe_malloc( sizeof( epair_t ) );
|
|
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;
|
|
|
|
Sys_Printf( "------- entity %p -------\n", ent );
|
|
for ( ep = ent->epairs; ep; ep = ep->next ) {
|
|
Sys_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 = safe_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;
|
|
}
|