Move *ResourceWarheads to Common, move warheads to Common.Warheads namespace

OpenRA.Mods.Common/Warheads/DestroyResourceWarhead.cs

@@ -0,0 +1,41 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2014 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.Linq;
+using OpenRA.Effects;
+using OpenRA.GameRules;
+using OpenRA.Mods.Common.Traits;
+using OpenRA.Traits;
+
+namespace OpenRA.Mods.Common.Warheads
+{
+	public class DestroyResourceWarhead : Warhead
+	{
+		[Desc("Size of the area. The resources are seeded within this area.", "Provide 2 values for a ring effect (outer/inner).")]
+		public readonly int[] Size = { 0, 0 };
+
+		// TODO: Allow maximum resource removal to be defined. (Per tile, and in total).
+
+		public override void DoImpact(Target target, Actor firedBy, IEnumerable<int> damageModifiers)
+		{
+			var world = firedBy.World;
+			var targetTile = world.Map.CellContaining(target.CenterPosition);
+			var resLayer = world.WorldActor.Trait<ResourceLayer>();
+
+			var minRange = (Size.Length > 1 && Size[1] > 0) ? Size[1] : 0;
+			var allCells = world.Map.FindTilesInAnnulus(targetTile, minRange, Size[0]);
+
+			// Destroy all resources in the selected tiles
+			foreach (var cell in allCells)
+				resLayer.Destroy(cell);
+		}
+	}
+}