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/Lint/CheckRunningUpdateRule.cs

@@ -0,0 +1,49 @@
+#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 System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using OpenRA.Mods.Common.UpdateRules;
+using OpenRA.Mods.Common.UpdateRules.Rules;
+
+namespace OpenRA.Mods.Common.Lint
+{
+	/// <summary>
+	/// Checks the loading of YAML files for mods without ignoring comments and whitespace.
+	/// </summary>
+	sealed class CheckRunningUpdateRule : ILintRulesPass
+	{
+		void ILintRulesPass.Run(Action<string> emitError, Action<string> emitWarning, ModData modData, Ruleset rules)
+		{
+			try
+			{
+				var externalFilenames = new HashSet<string>();
+				UpdateUtils.UpdateMod(modData, new MockUpdateRule(), out var allFiles, externalFilenames);
+
+				foreach (var (package, file, nodes) in allFiles)
+				{
+					if (package == null)
+						continue;
+
+					var textData = Encoding.UTF8.GetBytes(nodes.WriteToString());
+					if (!Enumerable.SequenceEqual(textData, package.GetStream(file).ReadAllBytes()))
+						emitError($"Mock update rule has tried to modify file {file}. Syntax mismatch detected.");
+				}
+			}
+			catch (Exception ex)
+			{
+				emitError($"Mock update rule failed with message: {ex.Message}");
+			}
+		}
+	}
+}