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Fix write Y range for splat drawing

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Fixes a silent memory error during splat drawing when splats cross the
bottom of the screen.
This commit is contained in:
Eidolon 2025-03-10 13:22:19 -05:00
parent 2ff7c6106d
commit 33c1289a46
1 changed files with 4 additions and 12 deletions
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16
src/r_splats.c
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@ -53,7 +53,7 @@ static void rasterize_segment_tex(INT32 x1, INT32 y1, INT32 x2, INT32 y2, INT32
if (dir == 0)
{
for (;;)
for (; count > 0; count--)
{
rastertab[y1].maxx = xs;
rastertab[y1].tx2 = xe;
@ -62,13 +62,11 @@ static void rasterize_segment_tex(INT32 x1, INT32 y1, INT32 x2, INT32 y2, INT32
xs += dx0;
xe += dx1;
y1++;
if (count-- < 1) break;
}
}
else
{
for (;;)
for (; count > 0; count--)
{
rastertab[y1].maxx = xs;
rastertab[y1].tx2 = tc;
@ -77,8 +75,6 @@ static void rasterize_segment_tex(INT32 x1, INT32 y1, INT32 x2, INT32 y2, INT32
xs += dx0;
xe += dx1;
y1++;
if (count-- < 1) break;
}
}
}
@ -95,7 +91,7 @@ static void rasterize_segment_tex(INT32 x1, INT32 y1, INT32 x2, INT32 y2, INT32
if (dir == 0)
{
for (;;)
for (; count > 0; count--)
{
rastertab[y2].minx = xs;
rastertab[y2].tx1 = xe;
@ -104,13 +100,11 @@ static void rasterize_segment_tex(INT32 x1, INT32 y1, INT32 x2, INT32 y2, INT32
xs += dx0;
xe += dx1;
y2++;
if (count-- < 1) break;
}
}
else
{
for (;;)
for (; count > 0; count--)
{
rastertab[y2].minx = xs;
rastertab[y2].tx1 = tc;
@ -119,8 +113,6 @@ static void rasterize_segment_tex(INT32 x1, INT32 y1, INT32 x2, INT32 y2, INT32
xs += dx0;
xe += dx1;
y2++;
if (count-- < 1) break;
}
}
}