From 1853ddde944210ca59e0efb45e74a97997c3f115 Mon Sep 17 00:00:00 2001
From: RoosterDragon <RoosterDragon@outlook.com>
Date: Mon, 23 Mar 2015 23:23:01 +0000
Subject: [PATCH] Use MPos indexer for CellLayer in Shroud.

This reduces us to one conversion per cell rather than two or three.
---
 OpenRA.Game/Traits/World/Shroud.cs | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/OpenRA.Game/Traits/World/Shroud.cs b/OpenRA.Game/Traits/World/Shroud.cs
index efc1bd498b..67fd8f42a6 100644
--- a/OpenRA.Game/Traits/World/Shroud.cs
+++ b/OpenRA.Game/Traits/World/Shroud.cs
@@ -128,8 +128,9 @@ namespace OpenRA.Traits
 
 			foreach (var c in visible)
 			{
-				visibleCount[c]++;
-				explored[c] = true;
+				var uv = c.ToMPos(map);
+				visibleCount[uv]++;
+				explored[uv] = true;
 			}
 
 			if (visibility.ContainsKey(a))
@@ -146,7 +147,7 @@ namespace OpenRA.Traits
 				return;
 
 			foreach (var c in visible)
-				visibleCount[c]--;
+				visibleCount[c.ToMPos(map)]--;
 
 			visibility.Remove(a);
 			Invalidate(visible);