split out hardcoded editor tools into ITool impls

OpenRA.Editor/ResourceTool.cs

@@ -0,0 +1,48 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2010 The OpenRA Developers (see AUTHORS)
+ * This file is part of OpenRA, which is free software. It is made 
+ * available to you under the terms of the GNU General Public License
+ * as published by the Free Software Foundation. For more information,
+ * see LICENSE.
+ */
+#endregion
+
+using OpenRA.FileFormats;
+
+using SGraphics = System.Drawing.Graphics;
+
+namespace OpenRA.Editor
+{
+	class ResourceTool : ITool
+	{
+		ResourceTemplate Resource;
+
+		public ResourceTool(ResourceTemplate resource) { Resource = resource; }
+
+		public void Apply(Surface surface)
+		{
+			surface.Map.MapResources[surface.GetBrushLocation().X, surface.GetBrushLocation().Y]
+				= new TileReference<byte, byte>
+				{
+					type = (byte)Resource.Info.ResourceType,
+					index = (byte)surface.random.Next(Resource.Info.SpriteNames.Length),
+					image = (byte)Resource.Value
+				};
+
+			var ch = new int2((surface.GetBrushLocation().X) / Surface.ChunkSize, 
+				(surface.GetBrushLocation().Y) / Surface.ChunkSize);
+
+			if (surface.Chunks.ContainsKey(ch))
+			{
+				surface.Chunks[ch].Dispose();
+				surface.Chunks.Remove(ch);
+			}
+		}
+
+		public void Preview(Surface surface, SGraphics g)
+		{
+			surface.DrawImage(g, Resource.Bitmap, surface.GetBrushLocation());
+		}
+	}
+}