Move PlayerExperience from Infiltrates to InfiltrateFor

OpenRA.Mods.Common/UpdateRules/Rules/20210321/RemoveExperienceFromInfiltrates.cs

@@ -0,0 +1,48 @@
+#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 RemoveExperienceFromInfiltrates : UpdateRule
+	{
+		public override string Name => "Removes PlayerExperience property from Infiltrates.";
+
+		public override string Description => "Infiltrates property PlayerExperience was removed, it was replaced by adding PlayerExperience to all InfiltrateFor* Traits.";
+
+		readonly List<string> locations = new();
+
+		public override IEnumerable<string> AfterUpdate(ModData modData)
+		{
+			if (locations.Count > 0)
+				yield return "The 'PlayerExperience' fields have been removed from the 'Infiltrates' trait\n" +
+					"and added to InfiltrateFor* traits. If you want to keep 'PlayerExperience' you will\n" +
+					"need to add it to each of the InfiltrateFor* traits. Properties removed from:\n" +
+					UpdateUtils.FormatMessageList(locations);
+
+			locations.Clear();
+		}
+
+		public override IEnumerable<string> UpdateActorNode(ModData modData, MiniYamlNode actorNode)
+		{
+			var removed = false;
+			foreach (var node in actorNode.ChildrenMatching("Infiltrates"))
+				if (node.RemoveNodes("PlayerExperience") > 0)
+					removed = true;
+
+			if (removed)
+				locations.Add($"{actorNode.Key} ({actorNode.Location.Filename})");
+
+			yield break;
+		}
+	}
+}