From f95d0f9a989863ca53d90686f80753f4c144ee8f Mon Sep 17 00:00:00 2001
From: Aryn <aryn@weirdness.com>
Date: Fri, 21 Feb 2014 03:54:45 -0700
Subject: [PATCH] Fixed some zone.remove() bugs: Turf should be set back to no
 gas overlays. Debug mode checks if zone actually contains turf (might be
 useful in turf replacement.)

---
 code/ZAS/Zone.dm | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/code/ZAS/Zone.dm b/code/ZAS/Zone.dm
index d1cf8ec0af7..cfaba5d082c 100644
--- a/code/ZAS/Zone.dm
+++ b/code/ZAS/Zone.dm
@@ -33,9 +33,11 @@
 	ASSERT(!invalid)
 	ASSERT(istype(T))
 	ASSERT(T.zone == src)
+	ASSERT(T in contents)
 #endif
 	contents.Remove(T)
 	T.zone = null
+	T.set_graphic(0)
 	if(contents.len)
 		air.group_multiplier = contents.len
 	else