OrdinaryMagician/vkdoom_m
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- floatified most of r_data (The interpolations cannot be done yet.)

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This commit is contained in:
Christoph Oelckers 2016-03-24 14:10:06 +01:00
commit 86d1b2955a
7 changed files with 71 additions and 75 deletions
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40
src/r_data/renderstyle.cpp
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@ -105,6 +105,18 @@ FArchive &operator<< (FArchive &arc, FRenderStyle &style)
return arc;
}
double GetAlpha(int type, double alpha)
{
switch (type)
{
case STYLEALPHA_Zero: return 0;
case STYLEALPHA_One: return OPAQUE;
case STYLEALPHA_Src: return alpha;
case STYLEALPHA_InvSrc: return 1. - alpha;
default: return 0;
}
}
//==========================================================================
//
// FRenderStyle :: IsVisible
@ -130,7 +142,7 @@ bool FRenderStyle::IsVisible(double alpha) const throw()
{
alpha = clamp(alpha, 0., 1.);
}
return GetAlpha(SrcAlpha, alpha) != 0 || GetAlpha(DestAlpha, alpha) != OPAQUE;
return GetAlpha(SrcAlpha, alpha) != 0 || GetAlpha(DestAlpha, alpha) != 1;
}
// Treat anything else as visible.
return true;
@ -186,29 +198,3 @@ void FRenderStyle::CheckFuzz()
BlendOp = STYLEOP_Fuzz;
}
}
fixed_t GetAlpha(int type, fixed_t alpha)
{
switch (type)
{
case STYLEALPHA_Zero: return 0;
case STYLEALPHA_One: return OPAQUE;
case STYLEALPHA_Src: return alpha;
case STYLEALPHA_InvSrc: return OPAQUE - alpha;
default: return 0;
}
}
fixed_t GetAlpha(int type, double alpha)
{
switch (type)
{
case STYLEALPHA_Zero: return 0;
case STYLEALPHA_One: return OPAQUE;
case STYLEALPHA_Src: return FLOAT2FIXED(alpha);
case STYLEALPHA_InvSrc: return FLOAT2FIXED(1. - alpha);
default: return 0;
}
}