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Clamp segment range

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This commit is contained in:
Magnus Norddahl 2016-11-15 15:15:01 +01:00
parent 5f1b822523
commit 3b397183ac
1 changed files with 6 additions and 0 deletions
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6
src/r_poly_cull.cpp
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@ -102,6 +102,9 @@ void PolyCull::ClearSolidSegments()
bool PolyCull::IsSegmentCulled(int x1, int x2) const bool PolyCull::IsSegmentCulled(int x1, int x2) const
{ {
x1 = clamp(x1, -0x7ffe, 0x7ffd);
x2 = clamp(x2, -0x7ffd, 0x7ffe);
int next = 0; int next = 0;
while (SolidSegments[next].X2 <= x2) while (SolidSegments[next].X2 <= x2)
next++; next++;
@ -113,6 +116,9 @@ void PolyCull::MarkSegmentCulled(int x1, int x2)
if (x1 >= x2) if (x1 >= x2)
return; return;
x1 = clamp(x1, -0x7ffe, 0x7ffd);
x2 = clamp(x2, -0x7ffd, 0x7ffe);
int cur = 1; int cur = 1;
while (true) while (true)
{ {