From dad89b07830f649af1e26cba15990328e517ddf6 Mon Sep 17 00:00:00 2001
From: Christoph Oelckers <c.oelckers@zdoom.fake>
Date: Tue, 25 Oct 2016 01:03:44 +0200
Subject: [PATCH] - fixed: Portals with disconnected parts were not grouped
 correctly.

---
 src/portal.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/portal.cpp b/src/portal.cpp
index cef79820fe..f1454cdc6c 100644
--- a/src/portal.cpp
+++ b/src/portal.cpp
@@ -1024,7 +1024,8 @@ void P_CreateLinkedPortals()
 		{
 			if (sectors[i].GetPortalType(j) == PORTS_LINKEDPORTAL && sectors[i].PortalGroup == 0)
 			{
-				CollectSectors(sectors[i].GetOppositePortalGroup(j), &sectors[i]);
+				auto p = sectors[i].GetPortal(j);
+				CollectSectors(p->mOrigin->PortalGroup, &sectors[i]);
 			}
 		}
 	}