gtkradiant/tools/quake3/q3map2/surface_extra.c
TTimo 9998050654 set eol-style
git-svn-id: svn://svn.icculus.org/gtkradiant/GtkRadiant/branches/ZeroRadiant@183 8a3a26a2-13c4-0310-b231-cf6edde360e5
2007-11-04 03:34:51 +00:00

444 lines
9.7 KiB
C

/*
Copyright (C) 1999-2007 id Software, Inc. and contributors.
For a list of contributors, see the accompanying CONTRIBUTORS file.
This file is part of GtkRadiant.
GtkRadiant is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
GtkRadiant is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GtkRadiant; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
----------------------------------------------------------------------------------
This code has been altered significantly from its original form, to support
several games based on the Quake III Arena engine, in the form of "Q3Map2."
------------------------------------------------------------------------------- */
/* marker */
#define SURFACE_EXTRA_C
/* dependencies */
#include "q3map2.h"
/* -------------------------------------------------------------------------------
ydnar: srf file module
------------------------------------------------------------------------------- */
typedef struct surfaceExtra_s
{
mapDrawSurface_t *mds;
shaderInfo_t *si;
int parentSurfaceNum;
int entityNum;
int castShadows, recvShadows;
int sampleSize;
float longestCurve;
vec3_t lightmapAxis;
}
surfaceExtra_t;
#define GROW_SURFACE_EXTRAS 1024
int numSurfaceExtras = 0;
int maxSurfaceExtras = 0;
surfaceExtra_t *surfaceExtras;
surfaceExtra_t seDefault = { NULL, NULL, -1, 0, WORLDSPAWN_CAST_SHADOWS, WORLDSPAWN_RECV_SHADOWS, 0, 0, { 0, 0, 0 } };
/*
AllocSurfaceExtra()
allocates a new extra storage
*/
static surfaceExtra_t *AllocSurfaceExtra( void )
{
surfaceExtra_t *se;
/* enough space? */
if( numSurfaceExtras >= maxSurfaceExtras )
{
/* reallocate more room */
maxSurfaceExtras += GROW_SURFACE_EXTRAS;
se = safe_malloc( maxSurfaceExtras * sizeof( surfaceExtra_t ) );
if( surfaceExtras != NULL )
{
memcpy( se, surfaceExtras, numSurfaceExtras * sizeof( surfaceExtra_t ) );
free( surfaceExtras );
}
surfaceExtras = se;
}
/* add another */
se = &surfaceExtras[ numSurfaceExtras ];
numSurfaceExtras++;
memcpy( se, &seDefault, sizeof( surfaceExtra_t ) );
/* return it */
return se;
}
/*
SetDefaultSampleSize()
sets the default lightmap sample size
*/
void SetDefaultSampleSize( int sampleSize )
{
seDefault.sampleSize = sampleSize;
}
/*
SetSurfaceExtra()
stores extra (q3map2) data for the specific numbered drawsurface
*/
void SetSurfaceExtra( mapDrawSurface_t *ds, int num )
{
surfaceExtra_t *se;
/* dummy check */
if( ds == NULL || num < 0 )
return;
/* get a new extra */
se = AllocSurfaceExtra();
/* copy out the relevant bits */
se->mds = ds;
se->si = ds->shaderInfo;
se->parentSurfaceNum = ds->parent != NULL ? ds->parent->outputNum : -1;
se->entityNum = ds->entityNum;
se->castShadows = ds->castShadows;
se->recvShadows = ds->recvShadows;
se->sampleSize = ds->sampleSize;
se->longestCurve = ds->longestCurve;
VectorCopy( ds->lightmapAxis, se->lightmapAxis );
/* debug code */
//% Sys_FPrintf( SYS_VRB, "SetSurfaceExtra(): entityNum = %d\n", ds->entityNum );
}
/*
GetSurfaceExtra*()
getter functions for extra surface data
*/
static surfaceExtra_t *GetSurfaceExtra( int num )
{
if( num < 0 || num >= numSurfaceExtras )
return &seDefault;
return &surfaceExtras[ num ];
}
shaderInfo_t *GetSurfaceExtraShaderInfo( int num )
{
surfaceExtra_t *se = GetSurfaceExtra( num );
return se->si;
}
int GetSurfaceExtraParentSurfaceNum( int num )
{
surfaceExtra_t *se = GetSurfaceExtra( num );
return se->parentSurfaceNum;
}
int GetSurfaceExtraEntityNum( int num )
{
surfaceExtra_t *se = GetSurfaceExtra( num );
return se->entityNum;
}
int GetSurfaceExtraCastShadows( int num )
{
surfaceExtra_t *se = GetSurfaceExtra( num );
return se->castShadows;
}
int GetSurfaceExtraRecvShadows( int num )
{
surfaceExtra_t *se = GetSurfaceExtra( num );
return se->recvShadows;
}
int GetSurfaceExtraSampleSize( int num )
{
surfaceExtra_t *se = GetSurfaceExtra( num );
return se->sampleSize;
}
float GetSurfaceExtraLongestCurve( int num )
{
surfaceExtra_t *se = GetSurfaceExtra( num );
return se->longestCurve;
}
void GetSurfaceExtraLightmapAxis( int num, vec3_t lightmapAxis )
{
surfaceExtra_t *se = GetSurfaceExtra( num );
VectorCopy( se->lightmapAxis, lightmapAxis );
}
/*
WriteSurfaceExtraFile()
writes out a surface info file (<map>.srf)
*/
void WriteSurfaceExtraFile( const char *path )
{
char srfPath[ 1024 ];
FILE *sf;
surfaceExtra_t *se;
int i;
/* dummy check */
if( path == NULL || path[ 0 ] == '\0' )
return;
/* note it */
Sys_Printf( "--- WriteSurfaceExtraFile ---\n" );
/* open the file */
strcpy( srfPath, path );
StripExtension( srfPath );
strcat( srfPath, ".srf" );
Sys_Printf( "Writing %s\n", srfPath );
sf = fopen( srfPath, "w" );
if( sf == NULL )
Error( "Error opening %s for writing", srfPath );
/* lap through the extras list */
for( i = -1; i < numSurfaceExtras; i++ )
{
/* get extra */
se = GetSurfaceExtra( i );
/* default or surface num? */
if( i < 0 )
fprintf( sf, "default" );
else
fprintf( sf, "%d", i );
/* valid map drawsurf? */
if( se->mds == NULL )
fprintf( sf, "\n" );
else
{
fprintf( sf, " // %s V: %d I: %d %s\n",
surfaceTypes[ se->mds->type ],
se->mds->numVerts,
se->mds->numIndexes,
(se->mds->planar ? "planar" : "") );
}
/* open braces */
fprintf( sf, "{\n" );
/* shader */
if( se->si != NULL )
fprintf( sf, "\tshader %s\n", se->si->shader );
/* parent surface number */
if( se->parentSurfaceNum != seDefault.parentSurfaceNum )
fprintf( sf, "\tparent %d\n", se->parentSurfaceNum );
/* entity number */
if( se->entityNum != seDefault.entityNum )
fprintf( sf, "\tentity %d\n", se->entityNum );
/* cast shadows */
if( se->castShadows != seDefault.castShadows || se == &seDefault )
fprintf( sf, "\tcastShadows %d\n", se->castShadows );
/* recv shadows */
if( se->recvShadows != seDefault.recvShadows || se == &seDefault )
fprintf( sf, "\treceiveShadows %d\n", se->recvShadows );
/* lightmap sample size */
if( se->sampleSize != seDefault.sampleSize || se == &seDefault )
fprintf( sf, "\tsampleSize %d\n", se->sampleSize );
/* longest curve */
if( se->longestCurve != seDefault.longestCurve || se == &seDefault )
fprintf( sf, "\tlongestCurve %f\n", se->longestCurve );
/* lightmap axis vector */
if( VectorCompare( se->lightmapAxis, seDefault.lightmapAxis ) == qfalse )
fprintf( sf, "\tlightmapAxis ( %f %f %f )\n", se->lightmapAxis[ 0 ], se->lightmapAxis[ 1 ], se->lightmapAxis[ 2 ] );
/* close braces */
fprintf( sf, "}\n\n" );
}
/* close the file */
fclose( sf );
}
/*
LoadSurfaceExtraFile()
reads a surface info file (<map>.srf)
*/
void LoadSurfaceExtraFile( const char *path )
{
char srfPath[ 1024 ];
surfaceExtra_t *se;
int surfaceNum, size;
byte *buffer;
/* dummy check */
if( path == NULL || path[ 0 ] == '\0' )
return;
/* load the file */
strcpy( srfPath, path );
StripExtension( srfPath );
strcat( srfPath, ".srf" );
Sys_Printf( "Loading %s\n", srfPath );
size = LoadFile( srfPath, (void**) &buffer );
if( size <= 0 )
{
Sys_Printf( "WARNING: Unable to find surface file %s, using defaults.\n", srfPath );
return;
}
/* parse the file */
ParseFromMemory( buffer, size );
/* tokenize it */
while( 1 )
{
/* test for end of file */
if( !GetToken( qtrue ) )
break;
/* default? */
if( !Q_stricmp( token, "default" ) )
se = &seDefault;
/* surface number */
else
{
surfaceNum = atoi( token );
if( surfaceNum < 0 || surfaceNum > MAX_MAP_DRAW_SURFS )
Error( "ReadSurfaceExtraFile(): %s, line %d: bogus surface num %d", srfPath, scriptline, surfaceNum );
while( surfaceNum >= numSurfaceExtras )
se = AllocSurfaceExtra();
se = &surfaceExtras[ surfaceNum ];
}
/* handle { } section */
if( !GetToken( qtrue ) || strcmp( token, "{" ) )
Error( "ReadSurfaceExtraFile(): %s, line %d: { not found", srfPath, scriptline );
while( 1 )
{
if( !GetToken( qtrue ) )
break;
if( !strcmp( token, "}" ) )
break;
/* shader */
if( !Q_stricmp( token, "shader" ) )
{
GetToken( qfalse );
se->si = ShaderInfoForShader( token );
}
/* parent surface number */
else if( !Q_stricmp( token, "parent" ) )
{
GetToken( qfalse );
se->parentSurfaceNum = atoi( token );
}
/* entity number */
else if( !Q_stricmp( token, "entity" ) )
{
GetToken( qfalse );
se->entityNum = atoi( token );
}
/* cast shadows */
else if( !Q_stricmp( token, "castShadows" ) )
{
GetToken( qfalse );
se->castShadows = atoi( token );
}
/* recv shadows */
else if( !Q_stricmp( token, "receiveShadows" ) )
{
GetToken( qfalse );
se->recvShadows = atoi( token );
}
/* lightmap sample size */
else if( !Q_stricmp( token, "sampleSize" ) )
{
GetToken( qfalse );
se->sampleSize = atoi( token );
}
/* longest curve */
else if( !Q_stricmp( token, "longestCurve" ) )
{
GetToken( qfalse );
se->longestCurve = atof( token );
}
/* lightmap axis vector */
else if( !Q_stricmp( token, "lightmapAxis" ) )
Parse1DMatrix( 3, se->lightmapAxis );
/* ignore all other tokens on the line */
while( TokenAvailable() )
GetToken( qfalse );
}
}
/* free the buffer */
free( buffer );
}