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- fixed clipping issue with sloped walls.

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The window was calculated too narrow for this case, it needs to use the lower point of a floor slope and the upper point of a ceiling slope.
This commit is contained in:
Christoph Oelckers 2021-12-26 23:57:00 +01:00
parent 50bad91f14
commit e5c9691166
1 changed files with 2 additions and 2 deletions
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4
source/core/rendering/scene/hw_bunchdrawer.cpp
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@ -173,7 +173,7 @@ bool BunchDrawer::CheckClip(walltype* wal, float* topclip, float* bottomclip)
PlanesAtPoint(backsector, wal->pos.X, wal->pos.Y, &bs_ceilingheight1, &bs_floorheight1);
PlanesAtPoint(backsector, pt2->pos.X, pt2->pos.Y, &bs_ceilingheight2, &bs_floorheight2);
*bottomclip = max(max(bs_floorheight1, bs_floorheight2), max(fs_floorheight1, fs_floorheight2));
*bottomclip = max(min(bs_floorheight1, bs_floorheight2), min(fs_floorheight1, fs_floorheight2));
// if one plane is sky on both sides, the line must not clip.
if (frontsector->ceilingstat & backsector->ceilingstat & CSTAT_SECTOR_SKY)
@ -183,7 +183,7 @@ bool BunchDrawer::CheckClip(walltype* wal, float* topclip, float* bottomclip)
*topclip = FLT_MAX;
return false;
}
*topclip = min(min(bs_ceilingheight1, bs_ceilingheight2), min(fs_ceilingheight1, fs_ceilingheight2));
*topclip = min(max(bs_ceilingheight1, bs_ceilingheight2), max(fs_ceilingheight1, fs_ceilingheight2));
if (frontsector->floorstat & backsector->floorstat & CSTAT_SECTOR_SKY)
{