Moves Attack, Armament, Move, Air traits and activities as well as anything required by them to Mods.Common.

Extracts Exit from Production into its own trait.

OpenRA.Mods.Common/Traits/Air/FallsToEarth.cs

@@ -0,0 +1,38 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2014 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. For more information,
+ * see COPYING.
+ */
+#endregion
+
+using System.Linq;
+using OpenRA.GameRules;
+using OpenRA.Mods.Common.Activities;
+using OpenRA.Traits;
+
+namespace OpenRA.Mods.Common.Traits
+{
+	[Desc("Causes aircraft husks that are spawned in the air to crash to the ground.")]
+	public class FallsToEarthInfo : ITraitInfo
+	{
+		[WeaponReference]
+		public readonly string Explosion = "UnitExplode";
+
+		public readonly bool Spins = true;
+		public readonly bool Moves = false;
+		public readonly WRange Velocity = new WRange(43);
+
+		public object Create(ActorInitializer init) { return new FallsToEarth(init.self, this); }
+	}
+
+	public class FallsToEarth
+	{
+		public FallsToEarth(Actor self, FallsToEarthInfo info)
+		{
+			self.QueueActivity(false, new FallToEarth(self, info));
+		}
+	}
+}