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/Rules/20231010/ReplaceCloakPalette.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;
+using System.Linq;
+
+namespace OpenRA.Mods.Common.UpdateRules.Rules
+{
+	public class ReplaceCloakPalette : UpdateRule, IBeforeUpdateActors
+	{
+		public override string Name => "Change default Cloak style from Palette to Alpha.";
+
+		public override string Description =>
+			"Cloak has gained several new rendering modes\n" +
+			"and its default behaviour has changed from using a palette to native alpha.";
+
+		readonly List<(string, string)> actorsWithDefault = [];
+		IEnumerable<string> IBeforeUpdateActors.BeforeUpdateActors(ModData modData, List<MiniYamlNodeBuilder> resolvedActors)
+		{
+			foreach (var actor in resolvedActors)
+				foreach (var cloak in actor.ChildrenMatching("Cloak"))
+					if (cloak.HasChild("Palette"))
+						actorsWithDefault.Add((actor.Key, cloak.Key));
+
+			yield break;
+		}
+
+		public override IEnumerable<string> UpdateActorNode(ModData modData, MiniYamlNodeBuilder actorNode)
+		{
+			foreach (var cloak in actorNode.ChildrenMatching("Cloak"))
+			{
+				if (actorsWithDefault.Any(pair => pair.Item1 == actorNode.Key && pair.Item2 == cloak.Key))
+				{
+					cloak.AddNode("CloakedPalette", "cloak");
+					cloak.AddNode("CloakStyle", "Palette");
+					yield break;
+				}
+
+				var palette = cloak.LastChildMatching("Palette", false);
+				if (palette != null)
+				{
+					if (string.IsNullOrEmpty(palette.Value.Value))
+					{
+						cloak.RemoveNode(palette);
+						cloak.AddNode("CloakStyle", "None");
+					}
+					else
+					{
+						palette.RenameKey("CloakedPalette");
+						cloak.AddNode("CloakStyle", "Palette");
+					}
+				}
+			}
+		}
+	}
+}