Everything is now OpenRA, not OpenRa

OpenRA.Game/Controller.cs

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+#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;
+using System.Linq;
+using OpenRA.FileFormats;
+using OpenRA.Graphics;
+using OpenRA.Orders;
+using OpenRA.Traits;
+
+namespace OpenRA
+{
+	public class Controller : IHandleInput
+	{
+		public IOrderGenerator orderGenerator = new UnitOrderGenerator();
+		public Selection selection = new Selection();
+
+		public void CancelInputMode() { orderGenerator = new UnitOrderGenerator(); }
+
+		public bool ToggleInputMode<T>() where T : IOrderGenerator, new()
+		{
+			if (orderGenerator is T)
+			{
+				CancelInputMode();
+				return false;
+			}
+			else
+			{
+				orderGenerator = new T();
+				return true;
+			}
+		}
+
+		void ApplyOrders(World world, float2 xy, MouseInput mi)
+		{
+			if (orderGenerator == null) return;
+
+			var orders = orderGenerator.Order(world, xy.ToInt2(), mi).ToArray();
+			Game.orderManager.IssueOrders( orders );
+
+			var voicedActor = orders.Select(o => o.Subject)
+				.FirstOrDefault(a => a.Owner == world.LocalPlayer && a.traits.Contains<Unit>());
+
+			var isMove = orders.Any(o => o.OrderString == "Move");
+			var isAttack = orders.Any( o => o.OrderString == "Attack" );
+
+			if (voicedActor != null)
+			{
+				
+				if(voicedActor.traits.GetOrDefault<IMovement>().CanEnterCell(xy.ToInt2()))
+					Sound.PlayVoice(isAttack ? "Attack" : "Move", voicedActor);
+
+				if (isMove)
+					world.Add(new Effects.MoveFlash(world, Game.CellSize * xy));
+			}
+		}
+
+		float2 dragStart, dragEnd;
+		public bool HandleInput(World world, MouseInput mi)
+		{
+			var xy = Game.viewport.ViewToWorld(mi);
+
+			if (mi.Button == MouseButton.Left && mi.Event == MouseInputEvent.Down)
+			{
+				if (!(orderGenerator is PlaceBuildingOrderGenerator))
+					dragStart = dragEnd = xy;
+				ApplyOrders(world, xy, mi);
+			}
+
+			if (mi.Button == MouseButton.Left && mi.Event == MouseInputEvent.Move)
+				dragEnd = xy;
+
+			if (mi.Button == MouseButton.Left && mi.Event == MouseInputEvent.Up)
+			{
+				if (orderGenerator is UnitOrderGenerator)
+				{
+					var newSelection = world.SelectActorsInBox(Game.CellSize * dragStart, Game.CellSize * xy);
+					selection.Combine(world, newSelection, mi.Modifiers.HasModifier(Modifiers.Shift), dragStart == xy);
+				}
+
+				dragStart = dragEnd = xy;
+			}
+
+			if (mi.Button == MouseButton.None && mi.Event == MouseInputEvent.Move)
+				dragStart = dragEnd = xy;
+
+			if (mi.Button == MouseButton.Right && mi.Event == MouseInputEvent.Down)
+				ApplyOrders(world, xy, mi);
+
+			return true;
+		}
+
+		public Pair<float2, float2>? SelectionBox
+		{
+			get
+			{
+				if (dragStart == dragEnd) return null;
+				return Pair.New(Game.CellSize * dragStart, Game.CellSize * dragEnd);
+			}
+		}
+
+		public float2 MousePosition { get { return dragEnd; } }
+		Modifiers modifiers;
+
+		public string ChooseCursor( World world )
+		{
+			int sync = world.SyncHash();
+
+			try
+			{
+				var mi = new MouseInput
+				{
+					Location = ( Game.CellSize * MousePosition - Game.viewport.Location ).ToInt2(),
+					Button = MouseButton.Right,
+					Modifiers = modifiers
+				};
+
+				return orderGenerator.GetCursor( world, MousePosition.ToInt2(), mi );
+			}
+			finally
+			{
+				if( sync != world.SyncHash() )
+					throw new InvalidOperationException( "Desync in Controller.ChooseCursor" );
+			}
+		}
+
+		public void SetModifiers(Modifiers mods) { modifiers = mods; }
+	}
+}