generic 'select target' order generator

OpenRA.Game/Orders/GenericSelectTarget.cs

@@ -0,0 +1,56 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007,2009,2010 Chris Forbes, Robert Pepperell, Matthew Bowra-Dean, Paul Chote, Alli Witheford.
+ * This file is part of OpenRA.
+ * 
+ *  OpenRA is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ * 
+ *  OpenRA is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ * 
+ *  You should have received a copy of the GNU General Public License
+ *  along with OpenRA.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#endregion
+
+using System.Collections.Generic;
+
+namespace OpenRA.Orders
+{
+	public class GenericSelectTarget : IOrderGenerator
+	{
+		readonly Actor subject;
+		readonly string order;
+		readonly string cursor;
+
+		public GenericSelectTarget(Actor subject, string order, string cursor)
+		{
+			this.subject = subject;
+			this.order = order;
+			this.cursor = cursor;
+		}
+
+		public IEnumerable<Order> Order(World world, int2 xy, MouseInput mi)
+		{
+			if (mi.Button == MouseButton.Right)
+				Game.controller.CancelInputMode();
+			return OrderInner(world, xy, mi);
+		}
+
+		IEnumerable<Order> OrderInner(World world, int2 xy, MouseInput mi)
+		{
+			if (mi.Button == MouseButton.Left)
+				yield return new Order(order, subject, xy);
+		}
+
+		public void Tick(World world) { }
+		public void Render(World world) { }
+
+		public string GetCursor(World world, int2 xy, MouseInput mi) { return cursor; }
+	}
+}