From 7ef9d9e4543b5fd6d7c07570019ebbfeb2437c92 Mon Sep 17 00:00:00 2001
From: SkyMarshal <skymarshal1729@gmail.com>
Date: Mon, 13 Aug 2012 18:49:04 -0700
Subject: [PATCH] Sanity check for FloodFill.

---
 code/ZAS/Functions.dm | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/code/ZAS/Functions.dm b/code/ZAS/Functions.dm
index a6722899280..ba8a9b63c79 100644
--- a/code/ZAS/Functions.dm
+++ b/code/ZAS/Functions.dm
@@ -12,6 +12,10 @@ proc/FloodFill(turf/start)
 	while(open.len)
 		var/turf/T = pick(open)
 
+		if(!istype(T))
+			open -= T
+			continue
+
 		for(var/d in cardinal)
 			var/turf/O = get_step(T,d)