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fix going under FOFs causing artifacts 

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This commit is contained in:
Inuyasha 2016-05-05 06:33:19 -07:00
parent cd877fea1f
commit 5e8be250a7
1 changed files with 18 additions and 12 deletions
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30
src/r_segs.c
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@ -1005,6 +1005,9 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor)
}
#endif
#define CLAMPMAX INT32_MAX
#define CLAMPMIN (-INT32_MAX) // This is not INT32_MIN on purpose! INT32_MIN makes the drawers freak out.
// draw the columns
for (dc_x = x1; dc_x <= x2; dc_x++)
{
@ -1021,12 +1024,12 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor)
INT32 lighteffect = 0;
#ifdef ESLOPE
if (top_frac > (INT64)INT32_MAX) sprtopscreen = windowtop = INT32_MAX;
else if (top_frac < (INT64)INT32_MIN) sprtopscreen = windowtop = INT32_MIN;
else sprtopscreen = windowtop = (fixed_t)top_frac;
if (bottom_frac > (INT64)INT32_MAX) sprbotscreen = windowbottom = INT32_MAX;
else if (bottom_frac < (INT64)INT32_MIN) sprbotscreen = windowbottom = INT32_MIN;
else sprbotscreen = windowbottom = (fixed_t)bottom_frac;
if (top_frac > (INT64)CLAMPMAX) sprtopscreen = windowtop = CLAMPMAX;
else if (top_frac < (INT64)CLAMPMIN) sprtopscreen = windowtop = CLAMPMIN;
else sprtopscreen = windowtop = (fixed_t)top_frac;
if (bottom_frac > (INT64)CLAMPMAX) sprbotscreen = windowbottom = CLAMPMAX;
else if (bottom_frac < (INT64)CLAMPMIN) sprbotscreen = windowbottom = CLAMPMIN;
else sprbotscreen = windowbottom = (fixed_t)bottom_frac;
top_frac += top_step;
bottom_frac += bottom_step;
@ -1172,12 +1175,12 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor)
dc_colormap = pfloor->master->frontsector->extra_colormap->colormap + (dc_colormap - colormaps);
#ifdef ESLOPE
if (top_frac > (INT64)INT32_MAX) sprtopscreen = windowtop = INT32_MAX;
else if (top_frac < (INT64)INT32_MIN) sprtopscreen = windowtop = INT32_MIN;
else sprtopscreen = windowtop = (fixed_t)top_frac;
if (bottom_frac > (INT64)INT32_MAX) sprbotscreen = windowbottom = INT32_MAX;
else if (bottom_frac < (INT64)INT32_MIN) sprbotscreen = windowbottom = INT32_MIN;
else sprbotscreen = windowbottom = (fixed_t)bottom_frac;
if (top_frac > (INT64)CLAMPMAX) sprtopscreen = windowtop = CLAMPMAX;
else if (top_frac < (INT64)CLAMPMIN) sprtopscreen = windowtop = CLAMPMIN;
else sprtopscreen = windowtop = (fixed_t)top_frac;
if (bottom_frac > (INT64)CLAMPMAX) sprbotscreen = windowbottom = CLAMPMAX;
else if (bottom_frac < (INT64)CLAMPMIN) sprbotscreen = windowbottom = CLAMPMIN;
else sprbotscreen = windowbottom = (fixed_t)bottom_frac;
top_frac += top_step;
bottom_frac += bottom_step;
@ -1196,6 +1199,9 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor)
}
}
colfunc = wallcolfunc;
#undef CLAMPMAX
#undef CLAMPMIN
}
//