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.Game/Scripting/ScriptActorInterface.cs

@@ -0,0 +1,57 @@
+#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.Linq;
+
+namespace OpenRA.Scripting
+{
+	public class ScriptActorInterface : ScriptObjectWrapper
+	{
+		readonly Actor actor;
+
+		protected override string DuplicateKeyError(string memberName) { return $"Actor '{actor.Info.Name}' defines the command '{memberName}' on multiple traits"; }
+		protected override string MemberNotFoundError(string memberName)
+		{
+			var actorName = actor.Info.Name;
+			if (actor.IsDead)
+				actorName += " (dead)";
+
+			return $"Actor '{actorName}' does not define a property '{memberName}'";
+		}
+
+		public ScriptActorInterface(ScriptContext context, Actor actor)
+			: base(context)
+		{
+			this.actor = actor;
+
+			InitializeBindings();
+		}
+
+		void InitializeBindings()
+		{
+			var commandClasses = Context.ActorCommands[actor.Info];
+
+			// Destroyed actors cannot have their traits queried. In rare cases the actor may have already been destroyed.
+			if (actor.Disposed)
+				commandClasses = commandClasses.Where(c => c.HasAttribute<ExposedForDestroyedActors>()).ToArray();
+
+			Bind(CreateObjects(commandClasses, [Context, actor]));
+		}
+
+		public void OnActorDestroyed()
+		{
+			// Remove bindings not available to destroyed actors.
+			foreach (var commandClass in Context.ActorCommands[actor.Info])
+				if (!commandClass.HasAttribute<ExposedForDestroyedActors>())
+					Unbind(commandClass);
+		}
+	}
+}