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Prevent divide by zero in slopes code

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Not exactly sure why this happens, or if this is the correct way to fix it
This commit is contained in:
Sally Cochenour 2020-04-23 14:18:43 -04:00
parent dca2193121
commit e26bb897d6
1 changed files with 7 additions and 0 deletions
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7
src/p_slopes.c
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@ -54,6 +54,13 @@ static void P_ReconfigureVertexSlope(pslope_t *slope)
max(max(abs(vec1.x), abs(vec1.y)), abs(vec1.z)), max(max(abs(vec1.x), abs(vec1.y)), abs(vec1.z)),
max(max(abs(vec2.x), abs(vec2.y)), abs(vec2.z)) max(max(abs(vec2.x), abs(vec2.y)), abs(vec2.z))
) >> (FRACBITS+5); ) >> (FRACBITS+5);
if (slope->extent == 0)
{
// Prevent divide by zero
slope->extent = 1;
}
vec1.x /= slope->extent; vec1.x /= slope->extent;
vec1.y /= slope->extent; vec1.y /= slope->extent;
vec1.z /= slope->extent; vec1.z /= slope->extent;