paratroopers

OpenRa.Game/Traits/Activities/FlyAttack.cs

@@ -29,4 +29,26 @@ namespace OpenRa.Traits.Activities
 
 		public void Cancel(Actor self) { Target = null; NextActivity = null; }
 	}
+
+	class FlyCircle : IActivity
+	{
+		public IActivity NextActivity { get; set; }
+		int2 Target;
+		bool isCanceled;
+
+		public FlyCircle(int2 target) { Target = target; }
+
+		public IActivity Tick(Actor self)
+		{
+			if (isCanceled)
+				return NextActivity;
+
+			return Util.SequenceActivities(
+				new Fly(Util.CenterOfCell(Target)),
+				new FlyTimed(50, 20),
+				this);
+		}
+
+		public void Cancel(Actor self) { isCanceled = true; NextActivity = null; }
+	}
 }