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- fixed: a destination-less line portal should be ignored by the sight checking code.

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This commit is contained in:
Christoph Oelckers 2017-08-12 12:51:45 +02:00
parent 7cbf45d76d
commit f52e767b51
1 changed files with 2 additions and 2 deletions
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4
src/p_sight.cpp
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@ -236,7 +236,7 @@ bool SightCheck::PTR_SightTraverse (intercept_t *in)
FLinePortal *lport = li->getPortal();
if (open.range == 0 && open.portalflags == 0 && (lport == NULL || lport->mType != PORTT_LINKED)) // quick test for totally closed doors (must be delayed if portal checks are needed, though)
if (open.range == 0 && open.portalflags == 0 && (lport == nullptr || lport->mType != PORTT_LINKED)) // quick test for totally closed doors (must be delayed if portal checks are needed, though)
return false; // stop
if (in->frac == 0)
@ -284,7 +284,7 @@ bool SightCheck::PTR_SightTraverse (intercept_t *in)
portals.Push({ in->frac, topslope, bottomslope, sector_t::floor, backsec->GetOppositePortalGroup(sector_t::floor) });
}
}
if (lport)
if (lport != nullptr && lport->mDestination != nullptr)
{
portals.Push({ in->frac, topslope, bottomslope, portaldir, lport->mDestination->frontsector->PortalGroup });
return false;