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- Fixed: 3D floors partitioning the world into different "HeightLevels" could strip a midtexture

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of its clipping information before it was drawn. (On the other hand, I have no idea what this
  ds->bkup and refreshing stuff is about, so I might have broken something somewhere else.)

SVN r3602 (trunk)
This commit is contained in:
Randy Heit 2012-04-28 02:32:33 +00:00
parent 158f32bcda
commit 2f561abdea
1 changed files with 13 additions and 7 deletions
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20
src/r_segs.cpp
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@ -221,6 +221,7 @@ void R_RenderMaskedSegRange (drawseg_t *ds, int x1, int x2)
int i;
sector_t tempsec; // killough 4/13/98
fixed_t texheight, textop, texheightscale;
bool notrelevant = false;
const sector_t *sec;
@ -360,10 +361,12 @@ void R_RenderMaskedSegRange (drawseg_t *ds, int x1, int x2)
if ((fake3D & FAKE3D_CLIPBOTTOM) && textop <= sclipBottom - viewz)
{
notrelevant = true;
goto clearfog;
}
if ((fake3D & FAKE3D_CLIPTOP) && textop - texheight >= sclipTop - viewz)
{
notrelevant = true;
goto clearfog;
}
@ -483,14 +486,17 @@ clearfog:
{
R_RenderFakeWallRange(ds, x1, x2);
}
if (fake3D & FAKE3D_REFRESHCLIP)
if (!notrelevant)
{
assert(ds->bkup >= 0);
memcpy(openings + ds->sprtopclip, openings + ds->bkup, (ds->x2-ds->x1+1) * 2);
}
else
{
clearbufshort(openings + ds->sprtopclip - ds->x1 + x1, x2-x1+1, viewheight);
if (fake3D & FAKE3D_REFRESHCLIP)
{
assert(ds->bkup >= 0);
memcpy(openings + ds->sprtopclip, openings + ds->bkup, (ds->x2-ds->x1+1) * 2);
}
else
{
clearbufshort(openings + ds->sprtopclip - ds->x1 + x1, x2-x1+1, viewheight);
}
}
return;
}