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Fix segment culling bug

This commit is contained in:
Magnus Norddahl 2016-11-15 19:27:21 +01:00
parent cfc977f9e6
commit a90a22e056
1 changed files with 3 additions and 3 deletions
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6
src/r_poly_cull.cpp
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@ -119,18 +119,18 @@ void PolyCull::MarkSegmentCulled(int x1, int x2)
x1 = clamp(x1, -0x7ffe, 0x7ffd); x1 = clamp(x1, -0x7ffe, 0x7ffd);
x2 = clamp(x2, -0x7ffd, 0x7ffe); x2 = clamp(x2, -0x7ffd, 0x7ffe);
int cur = 1; int cur = 0;
while (true) while (true)
{ {
if (SolidSegments[cur].X1 <= x1 && SolidSegments[cur].X2 >= x2) // Already fully marked if (SolidSegments[cur].X1 <= x1 && SolidSegments[cur].X2 >= x2) // Already fully marked
{ {
break; break;
} }
else if (cur + 1 != SolidSegments.size() && SolidSegments[cur].X2 >= x1 && SolidSegments[cur].X1 <= x2) // Merge segments else if (SolidSegments[cur].X2 >= x1 && SolidSegments[cur].X1 <= x2) // Merge segments
{ {
// Find last segment // Find last segment
int merge = cur; int merge = cur;
while (merge + 2 != SolidSegments.size() && SolidSegments[merge + 1].X1 <= x2) while (merge + 1 != SolidSegments.size() && SolidSegments[merge + 1].X1 <= x2)
merge++; merge++;
// Apply new merged range // Apply new merged range