From 0d4b0e76b9eca71e87f015b47dff86771c6ba16a Mon Sep 17 00:00:00 2001
From: Bob <ytinasni at gmail.com>
Date: Wed, 4 Nov 2009 21:21:49 +1300
Subject: [PATCH] Perf fix, wrt Ore growth.

---
 OpenRa.FileFormats/Map.cs | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/OpenRa.FileFormats/Map.cs b/OpenRa.FileFormats/Map.cs
index 6a66731639..93d150baf2 100644
--- a/OpenRa.FileFormats/Map.cs
+++ b/OpenRa.FileFormats/Map.cs
@@ -91,8 +91,16 @@ namespace OpenRa.FileFormats
 
 		byte GetOreDensity(int i, int j)
 		{
-			return (byte)Math.Min(11, (3 * AdjacentTiles(new int2(i, j)).Sum(
-							p => ContainsOre(p.X, p.Y) ? 1 : 0) / 2));
+			// perf fix. it's ugly, i know :(
+			int sum = 0;
+			for( var u = -1 ; u < 2 ; u++ )
+				for( var v = -1 ; v < 2 ; v++ )
+					if( ContainsOre( i + u, j + v ) )
+						++sum;
+			sum = sum * 3 / 2;
+			if( sum > 11 )
+				return 11;
+			return (byte)sum;
 		}
 
 		byte GetGemDensity(int i, int j)