xash3d-fwgs/ref/gl/gl_rmisc.c

158 lines
3.8 KiB
C

/*
gl_rmisc.c - renderer misceallaneous
Copyright (C) 2010 Uncle Mike
This program 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 3 of the License, or
(at your option) any later version.
This program 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.
*/
#include "gl_local.h"
#include "shake.h"
#include "screenfade.h"
#include "cdll_int.h"
static void R_ParseDetailTextures( const char *filename )
{
byte *afile;
char *pfile;
string token, texname;
string detail_texname;
string detail_path;
float xScale, yScale;
texture_t *tex;
int i;
afile = gEngfuncs.fsapi->LoadFile( filename, NULL, false );
if( !afile ) return;
pfile = (char *)afile;
// format: 'texturename' 'detailtexture' 'xScale' 'yScale'
while(( pfile = COM_ParseFile( pfile, token, sizeof( token ))) != NULL )
{
texname[0] = '\0';
detail_texname[0] = '\0';
// read texname
if( token[0] == '{' )
{
// NOTE: COM_ParseFile handled some symbols seperately
// this code will be fix it
pfile = COM_ParseFile( pfile, token, sizeof( token ));
Q_snprintf( texname, sizeof( texname ), "{%s", token );
}
else Q_strncpy( texname, token, sizeof( texname ));
// read detailtexture name
pfile = COM_ParseFile( pfile, token, sizeof( token ));
Q_strncpy( detail_texname, token, sizeof( detail_texname ));
// trying the scales or '{'
pfile = COM_ParseFile( pfile, token, sizeof( token ));
// read second part of detailtexture name
if( token[0] == '{' )
{
Q_strncat( detail_texname, token, sizeof( detail_texname ));
pfile = COM_ParseFile( pfile, token, sizeof( token )); // read scales
Q_strncat( detail_texname, token, sizeof( detail_texname ));
pfile = COM_ParseFile( pfile, token, sizeof( token )); // parse scales
}
Q_snprintf( detail_path, sizeof( detail_path ), "gfx/%s", detail_texname );
// read scales
xScale = Q_atof( token );
pfile = COM_ParseFile( pfile, token, sizeof( token ));
yScale = Q_atof( token );
if( xScale <= 0.0f || yScale <= 0.0f )
continue;
// search for existing texture and uploading detail texture
for( i = 0; i < WORLDMODEL->numtextures; i++ )
{
tex = WORLDMODEL->textures[i];
if( Q_stricmp( tex->name, texname ))
continue;
tex->dt_texturenum = GL_LoadTexture( detail_path, NULL, 0, TF_FORCE_COLOR );
// texture is loaded
if( tex->dt_texturenum )
{
gl_texture_t *glt;
glt = R_GetTexture( tex->gl_texturenum );
glt->xscale = xScale;
glt->yscale = yScale;
}
break;
}
}
Mem_Free( afile );
}
void R_NewMap( void )
{
texture_t *tx;
int i;
R_ClearDecals(); // clear all level decals
R_StudioResetPlayerModels();
// upload detailtextures
if( CVAR_TO_BOOL( r_detailtextures ))
{
string mapname, filepath;
Q_strncpy( mapname, WORLDMODEL->name, sizeof( mapname ));
COM_StripExtension( mapname );
Q_snprintf( filepath, sizeof( filepath ), "%s_detail.txt", mapname );
R_ParseDetailTextures( filepath );
}
// clear out efrags in case the level hasn't been reloaded
for( i = 0; i < WORLDMODEL->numleafs; i++ )
WORLDMODEL->leafs[i+1].efrags = NULL;
glState.isFogEnabled = false;
tr.skytexturenum = -1;
pglDisable( GL_FOG );
// clearing texture chains
for( i = 0; i < WORLDMODEL->numtextures; i++ )
{
if( !WORLDMODEL->textures[i] )
continue;
tx = WORLDMODEL->textures[i];
if( !Q_strncmp( tx->name, "sky", 3 ) && tx->width == ( tx->height * 2 ))
tr.skytexturenum = i;
tx->texturechain = NULL;
}
R_SetupSky( MOVEVARS->skyName );
GL_BuildLightmaps ();
R_GenerateVBO();
if( gEngfuncs.drawFuncs->R_NewMap != NULL )
gEngfuncs.drawFuncs->R_NewMap();
}