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Renderer floatification: Use floating point for wall scale and yrepeat

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This commit is contained in:
Randy Heit 2016-04-22 22:54:04 -05:00
commit f1b3f59bcc
10 changed files with 115 additions and 122 deletions
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10
src/r_things.cpp
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@ -89,7 +89,7 @@ struct FCoverageBuffer
};
extern double globaluclip, globaldclip;
extern float MaskedScaleY;
#define MINZ double((2048*4) / double(1 << 20))
#define BASEYCENTER (100)
@ -558,8 +558,7 @@ void R_DrawWallSprite(vissprite_t *spr)
sprflipvert = false;
}
// rw_offset is used as the texture's vertical scale
rw_offset = xs_Fix<30>::ToFix(iyscale);
MaskedScaleY = (float)iyscale;
dc_x = x1;
ESPSResult mode;
@ -632,8 +631,9 @@ void R_DrawWallSprite(vissprite_t *spr)
void R_WallSpriteColumn (void (*drawfunc)(const BYTE *column, const FTexture::Span *spans))
{
dc_iscale = MulScale16 (swall[dc_x], rw_offset/4);
spryscale = 65536.0 / dc_iscale;
float iscale = swall[dc_x] * MaskedScaleY;
dc_iscale = FLOAT2FIXED(iscale);
spryscale = 1 / iscale;
if (sprflipvert)
sprtopscreen = CenterY + dc_texturemid * spryscale;
else