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/Activities/Repair.cs

@@ -0,0 +1,63 @@
+#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;
+using OpenRA.Activities;
+using OpenRA.Mods.Common.Traits;
+using OpenRA.Traits;
+
+namespace OpenRA.Mods.Common.Activities
+{
+	public class Repair : Activity
+	{
+		int remainingTicks;
+		Actor host;
+		Health health;
+
+		public Repair(Actor host) { this.host = host; }
+
+		public override Activity Tick(Actor self)
+		{
+			if (IsCanceled) return NextActivity;
+			if (host == null || !host.IsInWorld) return NextActivity;
+
+			health = self.TraitOrDefault<Health>();
+			if (health == null) return NextActivity;
+
+			if (health.DamageState == DamageState.Undamaged)
+				return NextActivity;
+
+			if (remainingTicks == 0)
+			{
+				var repairsUnits = host.Info.Traits.Get<RepairsUnitsInfo>();
+				var unitCost = self.Info.Traits.Get<ValuedInfo>().Cost;
+				var hpToRepair = repairsUnits.HpPerStep;
+				var cost = Math.Max(1, (hpToRepair * unitCost * repairsUnits.ValuePercentage) / (health.MaxHP * 100));
+
+				if (!self.Owner.PlayerActor.Trait<PlayerResources>().TakeCash(cost))
+				{
+					remainingTicks = 1;
+					return this;
+				}
+
+				self.InflictDamage(self, -hpToRepair, null);
+
+				foreach (var depot in host.TraitsImplementing<INotifyRepair>())
+					depot.Repairing(self, host);
+
+				remainingTicks = repairsUnits.Interval;
+			}
+			else
+				--remainingTicks;
+
+			return this;
+		}
+	}
+}