Initial implementation of D2k legacy map importer

Improve error handling; fix utility command description

Revert output location to working directory for both map importers

Rework how the map tiles get populated

Remove actor comments

OpenRA.Mods.D2k/UtilityCommands/ImportD2kMapCommand.cs

@@ -0,0 +1,40 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2014 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;
+using System.IO;
+using System.Linq;
+
+namespace OpenRA.Mods.D2k.UtilityCommands
+{
+	class ImportD2kMapCommand : IUtilityCommand
+	{
+		public string Name { get { return "--import-d2k-map"; } }
+
+		[Desc("FILENAME", "TILESET", "Convert a legacy Dune 2000 MAP file to the OpenRA format.")]
+		public void Run(ModData modData, string[] args)
+		{
+			// HACK: The engine code assumes that Game.modData is set.
+			Game.ModData = modData;
+
+			var rules = Game.ModData.RulesetCache.LoadDefaultRules();
+
+			var map = D2kMapImporter.Import(args[1], modData.Manifest.Mod.Id, args[2], rules);
+
+			if (map == null)
+				return;
+
+			var fileName = Path.GetFileNameWithoutExtension(args[1]);
+			var dest = fileName + ".oramap";
+			map.Save(dest);
+			Console.WriteLine(dest + " saved.");
+		}
+	}
+}