Add an update rule for the removal of AttackFrontal's FacingTolerance

OpenRA.Mods.Common/UpdateRules/Rules/20201213/AttackFrontalFacingTolerance.cs

@@ -0,0 +1,37 @@
+#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 AttackFrontalFacingTolerance : UpdateRule
+	{
+		public override string Name => "Adds the old default value for AttackFrontal's FacingTolerance.";
+
+		public override string Description => "The tolerance for the attack angle was defined twice on AttackFrontal. This override has to be defined in the rules now.";
+
+		public override IEnumerable<string> UpdateActorNode(ModData modData, MiniYamlNode actorNode)
+		{
+			foreach (var attackFrontal in actorNode.ChildrenMatching("AttackFrontal", includeRemovals: false))
+			{
+				var facingTolerance = attackFrontal.LastChildMatching("FacingTolerance");
+				if (facingTolerance != null)
+					continue;
+
+				var facingToleranceNode = new MiniYamlNode("FacingTolerance", FieldSaver.FormatValue(WAngle.Zero));
+				attackFrontal.AddNode(facingToleranceNode);
+			}
+
+			yield break;
+		}
+	}
+}

OpenRA.Mods.Common/UpdateRules/UpdatePath.cs

@@ -90,6 +90,7 @@ namespace OpenRA.Mods.Common.UpdateRules
 				new UnhardcodeSquadManager(),
 				new RenameSupportPowerDescription(),
 				new AttackBomberFacingTolerance(),
+				new AttackFrontalFacingTolerance(),
 				new RenameCloakTypes(),
 			})
 		};