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/UpdateRules/MockUpdateRule.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.Collections.Generic;
+
+namespace OpenRA.Mods.Common.UpdateRules.Rules
+{
+	public class MockUpdateRule : UpdateRule, IBeforeUpdateActors, IBeforeUpdateWeapons, IBeforeUpdateSequences
+	{
+		public override string Name => "Mock Update Rule";
+		public override string Description => "A mock update rule that allows to test YAML loading and can be used to correct YAML syntax.";
+
+		public interface IBeforeUpdateActors
+		{
+			IEnumerable<string> BeforeUpdateActors(ModData modData, List<MiniYamlNodeBuilder> resolvedActors) { yield break; }
+		}
+
+		public interface IBeforeUpdateWeapons
+		{
+			IEnumerable<string> BeforeUpdateWeapons(ModData modData, List<MiniYamlNodeBuilder> resolvedWeapons) { yield break; }
+		}
+
+		public interface IBeforeUpdateSequences
+		{
+			IEnumerable<string> BeforeUpdateSequences(ModData modData, List<MiniYamlNodeBuilder> resolvedImages) { yield break; }
+		}
+	}
+}