Rename the 20201213 update rules directory to 20210321

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

@@ -0,0 +1,30 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2022 The OpenRA Developers (see AUTHORS)
+ * 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 RemoveRenderSpritesScale : UpdateRule
+	{
+		public override string Name => "Remove RenderSprites.Scale.";
+
+		public override string Description => "The Scale option was removed from RenderSprites. Scale can now be defined on individual sequence definitions.";
+
+		public override IEnumerable<string> UpdateActorNode(ModData modData, MiniYamlNode actorNode)
+		{
+			foreach (var renderSprites in actorNode.ChildrenMatching("RenderSprites"))
+				if (renderSprites.RemoveNodes("Scale") > 0)
+					yield return $"The actor-level scaling has been removed from {actorNode.Key} ({actorNode.Location.Filename}).\n" +
+						"You must manually define Scale on its sequences instead.";
+		}
+	}
+}