New extendable mechanism for disabling units

OpenRa.Game/Traits/CanPowerDown.cs

@@ -0,0 +1,41 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using OpenRa.Traits;
+
+namespace OpenRa.Traits
+{
+	public class CanPowerDownInfo : ITraitInfo
+	{
+		public object Create(Actor self) { return new CanPowerDown(self); }
+	}
+
+	public class CanPowerDown : IDisable, IPowerModifier, IResolveOrder
+	{
+		readonly Actor self;
+		[Sync]
+		bool IsDisabled = false;
+		
+		public CanPowerDown(Actor self)
+		{
+			this.self = self;
+		}
+
+		public bool Disabled
+		{
+			get { return IsDisabled; }
+			set { IsDisabled = value; }
+		}
+		
+		public float GetPowerModifier() { return (IsDisabled) ? 0.0f : 1.0f; }	
+		
+		public void ResolveOrder(Actor self, Order order)
+		{
+			if (order.OrderString == "PowerDown")
+			{
+				IsDisabled = !IsDisabled;
+				Sound.Play((IsDisabled) ? "bleep12.aud" : "bleep11.aud");
+			}
+		}
+	}
+}