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Render floors on thok barriers

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This commit is contained in:
Latapostrophe 2019-06-24 10:41:11 +02:00
parent f47ef3cf36
commit 41b26c2f29
1 changed files with 24 additions and 13 deletions
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37
src/hardware/hw_main.c
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@ -2378,9 +2378,9 @@ static void HWR_StoreWallRange(double startfrac, double endfrac)
// From PrBoom:
//
// e6y: Check whether the player can look beyond this line, returns true if we should stop rendering.
// e6y: Check whether the player can look beyond this line, rturns true if we can't
//
#ifdef NEWCLIP
boolean checkforemptylines = true;
// Don't modify anything here, just check
// Kalaron: Modified for sloped linedefs
@ -2420,34 +2420,45 @@ static boolean CheckClip(seg_t * seg, sector_t * afrontsector, sector_t * abacks
backf1 = backf2 = abacksector->floorheight;
backc1 = backc2 = abacksector->ceilingheight;
}
// now check for closed sectors!
// here we're talking about a CEILING lower than a floor. ...yeah we don't even need to bother.
if (backc1 <= frontf1 && backc2 <= frontf2)
{
checkforemptylines = false;
return true;
}
// here we're talking about floors higher than ceilings, don't even bother either.
if (backf1 >= frontc1 && backf2 >= frontc2)
{
checkforemptylines = false;
return true;
}
// Lat: Ok, here's what we need to do, we want to draw thok barriers. Let's define what a thok barrier is;
// -Must have ceilheight <= floorheight
// -ceilpic must be skyflatnum
// -an adjacant sector needs to have a ceilingheight or a floor height different than the one we have, otherwise, it's just a huge ass wall, we shouldn't render past it.
// -said adjacant sector cannot also be a thok barrier, because that's also dumb and we could render far more than we need to as a result :V
if (backc1 <= backf1 && backc2 <= backf2)
{
checkforemptylines = false;
// preserve a kind of transparent door/lift special effect:
// before we do anything, if both sectors are thok barriers, GET ME OUT OF HERE!
if (frontc1 <= backc1 && frontc2 <= frontc2)
return true; // STOP RENDERING.
// draw floors at the top of thok barriers:
if (backc1 < frontc1 || backc2 < frontc2)
{
if (!seg->sidedef->toptexture)
return false;
}
return false;
if (backf1 > frontf1 || backf2 > frontf2)
{
if (!seg->sidedef->bottomtexture)
return false;
}
return false;
return true;
}