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-looks like we still need this...

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This commit is contained in:
Christoph Oelckers 2014-05-11 16:51:33 +02:00
parent 52056a05bd
commit 8ae97bc3e1
1 changed files with 34 additions and 0 deletions
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34
src/gl/renderer/gl_lightdata.cpp
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@ -419,6 +419,40 @@ static float gl_GetFogDensity(int lightlevel, PalEntry fogcolor)
}
//==========================================================================
//
// Check fog by current lighting info
//
//==========================================================================
bool gl_CheckFog(FColormap *cm, int lightlevel)
{
// Check for fog boundaries. This needs a few more checks for the sectors
bool frontfog;
PalEntry fogcolor = cm->FadeColor;
if ((fogcolor.d & 0xffffff) == 0)
{
frontfog = false;
}
else if (outsidefogdensity != 0 && outsidefogcolor.a!=0xff && (fogcolor.d & 0xffffff) == (outsidefogcolor.d & 0xffffff))
{
frontfog = true;
}
else if (fogdensity!=0 || (glset.lightmode & 4))
{
// case 3: level has fog density set
frontfog = true;
}
else
{
// case 4: use light level
frontfog = lightlevel < 248;
}
return frontfog;
}
//==========================================================================
//
// Check if the current linedef is a candidate for a fog boundary