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Renderer floatification: Use floats for lighting values

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This commit is contained in:
Randy Heit 2016-04-14 19:14:04 -05:00
commit ec8d038c99
9 changed files with 42 additions and 42 deletions
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14
src/r_plane.cpp
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@ -228,7 +228,7 @@ void R_MapPlane (int y, int x1)
{
// Determine lighting based on the span's distance from the viewer.
ds_colormap = basecolormap->Maps + (GETPALOOKUP (
FLOAT2FIXED(GlobVis * fabs(CenterY - y)), planeshade) << COLORMAPSHIFT);
GlobVis * fabs(CenterY - y), planeshade) << COLORMAPSHIFT);
}
#ifdef X86_ASM
@ -253,9 +253,9 @@ void R_MapPlane (int y, int x1)
//==========================================================================
extern "C" {
void R_CalcTiltedLighting (fixed_t lval, fixed_t lend, int width)
void R_CalcTiltedLighting (double lval, double lend, int width)
{
fixed_t lstep;
double lstep;
BYTE *lightfiller;
BYTE *basecolormapdata = basecolormap->Maps;
int i = 0;
@ -311,7 +311,7 @@ void R_CalcTiltedLighting (fixed_t lval, fixed_t lend, int width)
}
while (i <= width && lval >= 0)
{
tiltlighting[i++] = basecolormapdata + ((lval >> FRACBITS) << COLORMAPSHIFT);
tiltlighting[i++] = basecolormapdata + (xs_ToInt(lval) << COLORMAPSHIFT);
lval += lstep;
}
lightfiller = basecolormapdata;
@ -334,7 +334,7 @@ void R_CalcTiltedLighting (fixed_t lval, fixed_t lend, int width)
return;
while (i <= width && lval < (NUMCOLORMAPS-1)*FRACUNIT)
{
tiltlighting[i++] = basecolormapdata + ((lval >> FRACBITS) << COLORMAPSHIFT);
tiltlighting[i++] = basecolormapdata + (xs_ToInt(lval) << COLORMAPSHIFT);
lval += lstep;
}
lightfiller = basecolormapdata + ((NUMCOLORMAPS-1) << COLORMAPSHIFT);
@ -371,7 +371,7 @@ void R_MapTiltedPlane (int y, int x1)
{
uz = (iz + plane_sz[0]*width) * planelightfloat;
vz = iz * planelightfloat;
R_CalcTiltedLighting (xs_RoundToInt(vz), xs_RoundToInt(uz), width);
R_CalcTiltedLighting (vz, uz, width);
}
uz = plane_su[2] + plane_su[1]*(centery-y) + plane_su[0]*(x1-centerx);
@ -1709,7 +1709,7 @@ void R_DrawTiltedPlane (visplane_t *pl, fixed_t alpha, bool additive, bool maske
plane_sz[0] = -plane_sz[0];
}
planelightfloat = (r_TiltVisibility * lxscale * lyscale) / fabs(pl->height.ZatPoint(ViewPos));
planelightfloat = (r_TiltVisibility * lxscale * lyscale) / (fabs(pl->height.ZatPoint(ViewPos) - ViewPos.Z)) / 65536.f;
if (pl->height.fC() > 0)
planelightfloat = -planelightfloat;