Add a resize map command.

OpenRA.Game/Map/Map.cs

@@ -838,7 +838,7 @@ namespace OpenRA
 			return delta.Yaw.Facing;
 		}
 
-		public void Resize(int width, int height)		// editor magic.
+		public void Resize(int width, int height)
 		{
 			var oldMapTiles = MapTiles.Value;
 			var oldMapResources = MapResources.Value;

OpenRA.Mods.Common/OpenRA.Mods.Common.csproj

@@ -731,6 +731,7 @@
     <Compile Include="Util.cs" />
     <Compile Include="Traits\Render\WithGateSpriteBody.cs" />
     <Compile Include="ColorValidator.cs" />
+    <Compile Include="UtilityCommands\ResizeMapCommand.cs" />
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <PropertyGroup>

OpenRA.Mods.Common/UtilityCommands/ResizeMapCommand.cs

@@ -0,0 +1,52 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2015 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 COPYING.
+ */
+#endregion
+
+using System;
+
+namespace OpenRA.Mods.Common.UtilityCommands
+{
+	public class ResizeMapCommand : IUtilityCommand
+	{
+		public string Name { get { return "--resize-map"; } }
+
+		int width;
+		int height;
+
+		public bool ValidateArguments(string[] args)
+		{
+			if (args.Length < 4)
+				return false;
+
+			if (!int.TryParse(args[2], out width) && width > 0)
+			{
+				Console.WriteLine("Invalid WIDTH");
+				return false;
+			}
+
+			if (!int.TryParse(args[3], out height) && height > 0)
+			{
+				Console.WriteLine("Invalid HEIGHT");
+				return false;
+			}
+
+			return true;
+		}
+
+		[Desc("MAPFILE", "WIDTH", "HEIGHT", "Resize the map at the bottom corners.")]
+		public void Run(ModData modData, string[] args)
+		{
+			Game.ModData = modData;
+			var map = new Map(args[1]);
+			Console.WriteLine("Resizing map {0} from {1} to {2},{3}", map.Title, map.MapSize, width, height);
+			map.Resize(width, height);
+			map.Save(map.Path);
+		}
+	}
+}