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- new renderer: fixed bad positioning when a y-flipped wall sprite had to be clipped to floor or ceiling.

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This commit is contained in:
Christoph Oelckers 2021-05-16 12:17:26 +02:00
parent 60fe1d32fb
commit 5bb438b817
1 changed files with 9 additions and 2 deletions
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11
source/core/rendering/scene/hw_walls.cpp
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@ -1088,10 +1088,17 @@ void HWWall::ProcessWallSprite(HWDrawInfo* di, spritetype* spr, sectortype* sect
zbottom[0] = zbottom[1] = (sprz) * (1 / -256.);
ztop[0] = ztop[1] = (sprz - ((height * spr->yrepeat) << 2)) * (1 / -256.);
if (zbottom[0] > ztop[0])
{
// reorder coordinates to make the clipping code below behave.
auto zz = zbottom[0];
zbottom[0] = zbottom[1] = ztop[0];
ztop[0] = ztop[1] = zz;
}
// Clip sprites to ceilings/floors
float origz = ztop[0];
float polyh = (zbottom[0] - origz);
float origz = zbottom[0];
float polyh = (ztop[0] - origz);
if (!(sector->ceilingstat & CSTAT_SECTOR_SKY))
{
float ceilingz = sector->ceilingz * (1 / -256.f);