Capture changes - Engis now capture from outside. Added classic (legacy) capturable traits.

OpenRA.Mods.RA/Activities/LegacyCaptureActor.cs

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+#region Copyright & License Information
+/*
+ * Copyright 2007-2013 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.Traits;
+using OpenRA.Mods.RA.Move;
+using OpenRA.Mods.RA.Buildings;
+
+namespace OpenRA.Mods.RA.Activities
+{
+	class LegacyCaptureActor : Activity
+	{
+		Target target;
+
+		public LegacyCaptureActor(Target target) { this.target = target; }
+
+		public override Activity Tick(Actor self)
+		{
+			if (IsCanceled)
+				return NextActivity;
+			if (!target.IsValid)
+				return NextActivity;
+
+			var b = target.Actor.TraitOrDefault<Building>();
+			if (b != null && b.Locked)
+				return NextActivity;
+
+			var capturesInfo = self.Info.Traits.Get<LegacyCapturesInfo>();
+			var capturableInfo = target.Actor.Info.Traits.Get<LegacyCapturableInfo>();
+
+			var health = target.Actor.Trait<Health>();
+			var lowEnoughHealth = health.HP <= capturableInfo.CaptureThreshold * health.MaxHP;
+
+			self.World.AddFrameEndTask(w =>
+			{
+				if (!capturesInfo.Sabotage || lowEnoughHealth || target.Actor.Owner.NonCombatant)
+				{
+					var oldOwner = target.Actor.Owner;
+
+					target.Actor.ChangeOwner(self.Owner);
+
+					foreach (var t in self.TraitsImplementing<INotifyCapture>())
+						t.OnCapture(target.Actor, self, oldOwner, self.Owner);
+
+					foreach (var t in self.World.ActorsWithTrait<INotifyOtherCaptured>())
+						t.Trait.OnActorCaptured(t.Actor, target.Actor, self, oldOwner, self.Owner);
+
+					if (b != null && b.Locked)
+						b.Unlock();
+				}
+				else
+				{
+					int damage = (int)(health.MaxHP * capturesInfo.SabotageHPRemoval);
+					target.Actor.InflictDamage(self, damage, null);
+				}
+
+				self.Destroy();
+			});
+
+			return this;
+		}
+	}
+}