pushed bibs down into the smudge layer; made Game static

OpenRa.FileFormats/Map.cs

@@ -31,6 +31,10 @@ namespace OpenRa.FileFormats
 
 		public Map(IniFile file)
 		{
+			for (int j = 0; j < 128; j++)
+				for (int i = 0; i < 128; i++)
+					MapTiles[i, j] = new TileReference();
+
 			IniSection basic = file.GetSection("Basic");
 			Title = basic.GetValue("Name", "(null)");
 

OpenRa.FileFormats/TileReference.cs

@@ -4,11 +4,12 @@ using System.Text;
 
 namespace OpenRa.FileFormats
 {
-	public struct TileReference
+	public class TileReference
 	{
 		public ushort tile;
 		public byte image;
 		public byte overlay;
+		public byte smudge;
 
 		public override int GetHashCode() { return tile.GetHashCode() ^ image.GetHashCode(); }