adding new ai functional

OpenRA.Mods.RA/Orders/SetChronoTankDestination.cs

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+#region Copyright & License Information
+/*
+ * Copyright 2007-2011 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.Collections.Generic;
+using System.Drawing;
+using OpenRA.Graphics;
+using OpenRA.Traits;
+
+namespace OpenRA.Mods.RA.Orders
+{
+	class SetChronoTankDestination : IOrderGenerator
+	{
+		public readonly Actor self;
+
+		public SetChronoTankDestination(Actor self)
+		{
+			this.self = self;
+		}
+
+		public IEnumerable<Order> Order(World world, CPos xy, MouseInput mi)
+		{
+			if (mi.Button == MouseButton.Left)
+			{
+				world.CancelInputMode();
+				yield break;
+			}
+
+			var queued =  mi.Modifiers.HasModifier(Modifiers.Shift);
+			if (world.LocalPlayer.Shroud.IsExplored(xy))
+				yield return new Order("ChronoshiftSelf", self, queued) { TargetLocation = xy };
+		}
+
+		public void Tick( World world ) { }
+		public void RenderAfterWorld( WorldRenderer wr, World world )
+		{
+			wr.DrawSelectionBox(self, Color.White);
+		}
+
+		public void RenderBeforeWorld( WorldRenderer wr, World world ) { }
+
+		public string GetCursor(World world, CPos xy, MouseInput mi)
+		{
+			if (!world.LocalPlayer.Shroud.IsExplored(xy))
+				return "move-blocked";
+
+			var movement = self.TraitOrDefault<IMove>();
+			return (movement.CanEnterCell(xy)) ? "chrono-target" : "move-blocked";
+		}
+	}
+}