Index: binary-improvements/assembly-patcher/Main.cs
===================================================================
--- binary-improvements/assembly-patcher/Main.cs	(revision 115)
+++ binary-improvements/assembly-patcher/Main.cs	(revision 128)
@@ -20,4 +20,5 @@
 			markTypePatched (module, type);
 
+			mappingPatch (module);
 			consoleOutputPatch (module);
 			telnetPatch (module);
@@ -29,4 +30,10 @@
 			Console.WriteLine ("Done");
 
+		}
+
+		private static void mappingPatch (ModuleDefinition module)
+		{
+			TypeDefinition type = module.GetType ("Chunk");
+			addHook (type, "CalcMapColors", true, 0, true, typeof(MapRendering).GetMethod ("RenderSingleChunk"));
 		}