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Fix final edge cases in sector points

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Co-authored-by: Zwip-Zwap Zapony <zwipzwapzapony@gmail.com>
This commit is contained in:
Hanicef 2024-01-14 21:07:45 +01:00
parent 0211492d96
commit dff390e197
1 changed files with 7 additions and 3 deletions
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10
src/r_main.c
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@ -1024,10 +1024,14 @@ boolean R_IsPointInSector(sector_t *sector, fixed_t x, fixed_t y)
for (i = 0; i < sector->linecount; i++)
{
line_t *line = sector->lines[i];
vertex_t *v1, *v2;
v1 = sector->lines[i]->v1;
v2 = sector->lines[i]->v2;
if (line->frontsector == line->backsector)
continue;
v1 = line->v1;
v2 = line->v2;
// make sure v1 is below v2
if (v1->y > v2->y)
@ -1040,7 +1044,7 @@ boolean R_IsPointInSector(sector_t *sector, fixed_t x, fixed_t y)
// horizontal line, we can't match this
continue;
if (v1->y <= y && y < v2->y)
if (v1->y < y && y <= v2->y)
{
// if the y axis in inside the line, find the point where we intersect on the x axis...
fixed_t vx = v1->x + (INT64)(v2->x - v1->x) * (y - v1->y) / (v2->y - v1->y);