From 301873f88ea650cf8cff49cc4f5299d31f35e229 Mon Sep 17 00:00:00 2001
From: Chris Forbes <chrisf@ijw.co.nz>
Date: Sat, 19 Dec 2009 23:48:31 +1300
Subject: [PATCH] destroying buildings no longer crashes the game

---
 OpenRa.Game/UnitInfluenceMap.cs | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/OpenRa.Game/UnitInfluenceMap.cs b/OpenRa.Game/UnitInfluenceMap.cs
index 8be45447dc..9fad708018 100644
--- a/OpenRa.Game/UnitInfluenceMap.cs
+++ b/OpenRa.Game/UnitInfluenceMap.cs
@@ -57,8 +57,9 @@ namespace OpenRa.Game
 
 		public void Remove( Actor self, IOccupySpace unit )
 		{
-			foreach (var c in unit.OccupiedCells())
-				influence[c.X, c.Y] = null;
+			if (unit != null)
+				foreach (var c in unit.OccupiedCells())
+					influence[c.X, c.Y] = null;
 		}
 
 		public void Update(Actor self, IOccupySpace unit)