Unhardcode support power blocked cursor.

OpenRA.Mods.Common/UpdateRules/Rules/20231010/AddSupportPowerBlockedCursor.cs

@@ -0,0 +1,38 @@
+#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 AddSupportPowerBlockedCursor : UpdateRule
+	{
+		public override string Name => "Add SpawnActorPower/GrantExternalConditionPower BlockedCursor.";
+
+		public override string Description =>
+			"SpawnActorPower and GrantExternalConditionPower field BlockedCursor changed its default value.";
+
+		public override IEnumerable<string> UpdateActorNode(ModData modData, MiniYamlNodeBuilder actorNode)
+		{
+			foreach (var power in new List<string> { "SpawnActorPower", "GrantExternalConditionPower" })
+			{
+				foreach (var spawnActorPower in actorNode.ChildrenMatching(power))
+				{
+					var cursor = spawnActorPower.LastChildMatching("BlockedCursor");
+					if (cursor != null && !cursor.IsRemoval())
+						yield break;
+					var blockedCursorNode = new MiniYamlNodeBuilder("BlockedCursor", new MiniYamlBuilder("move-blocked"));
+					spawnActorPower.AddNode(blockedCursorNode);
+				}
+			}
+		}
+	}
+}