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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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12
src/r_draw.cpp
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@ -1757,8 +1757,8 @@ void mvlinec4 ()
#endif
extern "C" short spanend[MAXHEIGHT];
extern fixed_t rw_light;
extern fixed_t rw_lightstep;
extern float rw_light;
extern float rw_lightstep;
extern int wallshade;
static void R_DrawFogBoundarySection (int y, int y2, int x1)
@ -1795,12 +1795,12 @@ void R_DrawFogBoundary (int x1, int x2, short *uclip, short *dclip)
// to create new horizontal spans whenever the light changes enough that
// we need to use a new colormap.
fixed_t lightstep = rw_lightstep;
fixed_t light = rw_light+lightstep*(x2-x1-1);
double lightstep = rw_lightstep;
double light = rw_light + rw_lightstep*(x2-x1-1);
int x = x2-1;
int t2 = uclip[x];
int b2 = dclip[x];
int rcolormap = GETPALOOKUP (light, wallshade);
int rcolormap = GETPALOOKUP(light, wallshade);
int lcolormap;
BYTE *basecolormapdata = basecolormap->Maps;
@ -1819,7 +1819,7 @@ void R_DrawFogBoundary (int x1, int x2, short *uclip, short *dclip)
int stop;
light -= rw_lightstep;
lcolormap = GETPALOOKUP (light, wallshade);
lcolormap = GETPALOOKUP(light, wallshade);
if (lcolormap != rcolormap)
{
if (t2 < b2 && rcolormap != 0)