Initial commit: OpenRA game engine

Fork from OpenRA/OpenRA with one-click launch script (start-ra.cmd)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

OpenRA.Mods.Common/UtilityCommands/GetMapHashCommand.cs

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+#region Copyright & License Information
+/*
+ * Copyright (c) The OpenRA Developers and Contributors
+ * 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, either version 3 of
+ * the License, or (at your option) any later version. For more
+ * information, see COPYING.
+ */
+#endregion
+
+using System;
+using OpenRA.FileSystem;
+
+namespace OpenRA.Mods.Common.UtilityCommands
+{
+	sealed class GetMapHashCommand : IUtilityCommand
+	{
+		string IUtilityCommand.Name => "--map-hash";
+
+		bool IUtilityCommand.ValidateArguments(string[] args)
+		{
+			return args.Length >= 2;
+		}
+
+		[Desc("MAPFILE", "Generate hash of specified oramap file.")]
+		void IUtilityCommand.Run(Utility utility, string[] args)
+		{
+			using (var package = new Folder(Platform.EngineDir).OpenPackage(args[1], utility.ModData.ModFiles))
+				Console.WriteLine(Map.ComputeUID(package));
+		}
+	}
+}