mirror of
https://github.com/UberGames/GtkRadiant.git
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ab3a99dbbe
git-svn-id: svn://svn.icculus.org/gtkradiant/GtkRadiant/branches/ZeroRadiant.ab@184 8a3a26a2-13c4-0310-b231-cf6edde360e5
444 lines
9.7 KiB
C
444 lines
9.7 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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This code has been altered significantly from its original form, to support
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several games based on the Quake III Arena engine, in the form of "Q3Map2."
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------------------------------------------------------------------------------- */
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/* marker */
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#define SURFACE_EXTRA_C
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/* dependencies */
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#include "q3map2.h"
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/* -------------------------------------------------------------------------------
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ydnar: srf file module
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------------------------------------------------------------------------------- */
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typedef struct surfaceExtra_s
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{
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mapDrawSurface_t *mds;
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shaderInfo_t *si;
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int parentSurfaceNum;
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int entityNum;
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int castShadows, recvShadows;
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int sampleSize;
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float longestCurve;
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vec3_t lightmapAxis;
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}
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surfaceExtra_t;
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#define GROW_SURFACE_EXTRAS 1024
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int numSurfaceExtras = 0;
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int maxSurfaceExtras = 0;
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surfaceExtra_t *surfaceExtras;
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surfaceExtra_t seDefault = { NULL, NULL, -1, 0, WORLDSPAWN_CAST_SHADOWS, WORLDSPAWN_RECV_SHADOWS, 0, 0, { 0, 0, 0 } };
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/*
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AllocSurfaceExtra()
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allocates a new extra storage
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*/
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static surfaceExtra_t *AllocSurfaceExtra( void )
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{
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surfaceExtra_t *se;
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/* enough space? */
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if( numSurfaceExtras >= maxSurfaceExtras )
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{
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/* reallocate more room */
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maxSurfaceExtras += GROW_SURFACE_EXTRAS;
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se = safe_malloc( maxSurfaceExtras * sizeof( surfaceExtra_t ) );
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if( surfaceExtras != NULL )
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{
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memcpy( se, surfaceExtras, numSurfaceExtras * sizeof( surfaceExtra_t ) );
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free( surfaceExtras );
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}
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surfaceExtras = se;
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}
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/* add another */
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se = &surfaceExtras[ numSurfaceExtras ];
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numSurfaceExtras++;
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memcpy( se, &seDefault, sizeof( surfaceExtra_t ) );
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/* return it */
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return se;
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}
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/*
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SetDefaultSampleSize()
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sets the default lightmap sample size
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*/
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void SetDefaultSampleSize( int sampleSize )
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{
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seDefault.sampleSize = sampleSize;
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}
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/*
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SetSurfaceExtra()
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stores extra (q3map2) data for the specific numbered drawsurface
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*/
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void SetSurfaceExtra( mapDrawSurface_t *ds, int num )
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{
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surfaceExtra_t *se;
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/* dummy check */
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if( ds == NULL || num < 0 )
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return;
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/* get a new extra */
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se = AllocSurfaceExtra();
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/* copy out the relevant bits */
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se->mds = ds;
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se->si = ds->shaderInfo;
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se->parentSurfaceNum = ds->parent != NULL ? ds->parent->outputNum : -1;
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se->entityNum = ds->entityNum;
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se->castShadows = ds->castShadows;
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se->recvShadows = ds->recvShadows;
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se->sampleSize = ds->sampleSize;
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se->longestCurve = ds->longestCurve;
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VectorCopy( ds->lightmapAxis, se->lightmapAxis );
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/* debug code */
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//% Sys_FPrintf( SYS_VRB, "SetSurfaceExtra(): entityNum = %d\n", ds->entityNum );
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}
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/*
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GetSurfaceExtra*()
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getter functions for extra surface data
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*/
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static surfaceExtra_t *GetSurfaceExtra( int num )
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{
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if( num < 0 || num >= numSurfaceExtras )
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return &seDefault;
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return &surfaceExtras[ num ];
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}
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shaderInfo_t *GetSurfaceExtraShaderInfo( int num )
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{
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surfaceExtra_t *se = GetSurfaceExtra( num );
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return se->si;
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}
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int GetSurfaceExtraParentSurfaceNum( int num )
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{
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surfaceExtra_t *se = GetSurfaceExtra( num );
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return se->parentSurfaceNum;
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}
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int GetSurfaceExtraEntityNum( int num )
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{
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surfaceExtra_t *se = GetSurfaceExtra( num );
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return se->entityNum;
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}
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int GetSurfaceExtraCastShadows( int num )
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{
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surfaceExtra_t *se = GetSurfaceExtra( num );
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return se->castShadows;
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}
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int GetSurfaceExtraRecvShadows( int num )
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{
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surfaceExtra_t *se = GetSurfaceExtra( num );
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return se->recvShadows;
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}
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int GetSurfaceExtraSampleSize( int num )
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{
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surfaceExtra_t *se = GetSurfaceExtra( num );
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return se->sampleSize;
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}
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float GetSurfaceExtraLongestCurve( int num )
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{
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surfaceExtra_t *se = GetSurfaceExtra( num );
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return se->longestCurve;
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}
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void GetSurfaceExtraLightmapAxis( int num, vec3_t lightmapAxis )
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{
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surfaceExtra_t *se = GetSurfaceExtra( num );
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VectorCopy( se->lightmapAxis, lightmapAxis );
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}
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/*
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WriteSurfaceExtraFile()
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writes out a surface info file (<map>.srf)
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*/
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void WriteSurfaceExtraFile( const char *path )
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{
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char srfPath[ 1024 ];
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FILE *sf;
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surfaceExtra_t *se;
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int i;
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/* dummy check */
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if( path == NULL || path[ 0 ] == '\0' )
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return;
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/* note it */
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Sys_Printf( "--- WriteSurfaceExtraFile ---\n" );
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/* open the file */
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strcpy( srfPath, path );
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StripExtension( srfPath );
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strcat( srfPath, ".srf" );
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Sys_Printf( "Writing %s\n", srfPath );
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sf = fopen( srfPath, "w" );
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if( sf == NULL )
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Error( "Error opening %s for writing", srfPath );
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/* lap through the extras list */
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for( i = -1; i < numSurfaceExtras; i++ )
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{
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/* get extra */
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se = GetSurfaceExtra( i );
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/* default or surface num? */
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if( i < 0 )
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fprintf( sf, "default" );
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else
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fprintf( sf, "%d", i );
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/* valid map drawsurf? */
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if( se->mds == NULL )
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fprintf( sf, "\n" );
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else
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{
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fprintf( sf, " // %s V: %d I: %d %s\n",
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surfaceTypes[ se->mds->type ],
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se->mds->numVerts,
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se->mds->numIndexes,
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(se->mds->planar ? "planar" : "") );
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}
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/* open braces */
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fprintf( sf, "{\n" );
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/* shader */
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if( se->si != NULL )
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fprintf( sf, "\tshader %s\n", se->si->shader );
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/* parent surface number */
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if( se->parentSurfaceNum != seDefault.parentSurfaceNum )
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fprintf( sf, "\tparent %d\n", se->parentSurfaceNum );
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/* entity number */
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if( se->entityNum != seDefault.entityNum )
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fprintf( sf, "\tentity %d\n", se->entityNum );
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/* cast shadows */
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if( se->castShadows != seDefault.castShadows || se == &seDefault )
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fprintf( sf, "\tcastShadows %d\n", se->castShadows );
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/* recv shadows */
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if( se->recvShadows != seDefault.recvShadows || se == &seDefault )
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fprintf( sf, "\treceiveShadows %d\n", se->recvShadows );
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/* lightmap sample size */
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if( se->sampleSize != seDefault.sampleSize || se == &seDefault )
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fprintf( sf, "\tsampleSize %d\n", se->sampleSize );
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/* longest curve */
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if( se->longestCurve != seDefault.longestCurve || se == &seDefault )
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fprintf( sf, "\tlongestCurve %f\n", se->longestCurve );
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/* lightmap axis vector */
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if( VectorCompare( se->lightmapAxis, seDefault.lightmapAxis ) == qfalse )
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fprintf( sf, "\tlightmapAxis ( %f %f %f )\n", se->lightmapAxis[ 0 ], se->lightmapAxis[ 1 ], se->lightmapAxis[ 2 ] );
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/* close braces */
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fprintf( sf, "}\n\n" );
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}
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/* close the file */
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fclose( sf );
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}
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/*
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LoadSurfaceExtraFile()
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reads a surface info file (<map>.srf)
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*/
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void LoadSurfaceExtraFile( const char *path )
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{
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char srfPath[ 1024 ];
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surfaceExtra_t *se;
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int surfaceNum, size;
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byte *buffer;
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/* dummy check */
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if( path == NULL || path[ 0 ] == '\0' )
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return;
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/* load the file */
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strcpy( srfPath, path );
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StripExtension( srfPath );
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strcat( srfPath, ".srf" );
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Sys_Printf( "Loading %s\n", srfPath );
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size = LoadFile( srfPath, (void**) &buffer );
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if( size <= 0 )
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{
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Sys_Printf( "WARNING: Unable to find surface file %s, using defaults.\n", srfPath );
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return;
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}
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/* parse the file */
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ParseFromMemory( buffer, size );
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/* tokenize it */
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while( 1 )
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{
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/* test for end of file */
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if( !GetToken( qtrue ) )
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break;
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/* default? */
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if( !Q_stricmp( token, "default" ) )
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se = &seDefault;
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/* surface number */
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else
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{
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surfaceNum = atoi( token );
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if( surfaceNum < 0 || surfaceNum > MAX_MAP_DRAW_SURFS )
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Error( "ReadSurfaceExtraFile(): %s, line %d: bogus surface num %d", srfPath, scriptline, surfaceNum );
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while( surfaceNum >= numSurfaceExtras )
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se = AllocSurfaceExtra();
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se = &surfaceExtras[ surfaceNum ];
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}
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/* handle { } section */
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if( !GetToken( qtrue ) || strcmp( token, "{" ) )
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Error( "ReadSurfaceExtraFile(): %s, line %d: { not found", srfPath, scriptline );
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while( 1 )
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{
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if( !GetToken( qtrue ) )
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break;
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if( !strcmp( token, "}" ) )
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break;
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/* shader */
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if( !Q_stricmp( token, "shader" ) )
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{
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GetToken( qfalse );
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se->si = ShaderInfoForShader( token );
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}
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/* parent surface number */
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else if( !Q_stricmp( token, "parent" ) )
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{
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GetToken( qfalse );
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se->parentSurfaceNum = atoi( token );
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}
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/* entity number */
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else if( !Q_stricmp( token, "entity" ) )
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{
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GetToken( qfalse );
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se->entityNum = atoi( token );
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}
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/* cast shadows */
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else if( !Q_stricmp( token, "castShadows" ) )
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{
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GetToken( qfalse );
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se->castShadows = atoi( token );
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}
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/* recv shadows */
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else if( !Q_stricmp( token, "receiveShadows" ) )
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{
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GetToken( qfalse );
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se->recvShadows = atoi( token );
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}
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/* lightmap sample size */
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else if( !Q_stricmp( token, "sampleSize" ) )
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{
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GetToken( qfalse );
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se->sampleSize = atoi( token );
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}
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/* longest curve */
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else if( !Q_stricmp( token, "longestCurve" ) )
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{
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GetToken( qfalse );
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se->longestCurve = atof( token );
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}
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/* lightmap axis vector */
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else if( !Q_stricmp( token, "lightmapAxis" ) )
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Parse1DMatrix( 3, se->lightmapAxis );
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/* ignore all other tokens on the line */
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while( TokenAvailable() )
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GetToken( qfalse );
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}
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}
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/* free the buffer */
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free( buffer );
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}
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