Add ability to use NukePower via lua.

OpenRA.Mods.Common/Scripting/Properties/NukeProperties.cs

@@ -0,0 +1,39 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2018 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, either version 3 of
+ * the License, or (at your option) any later version. For more
+ * Information, see COPYING.
+ */
+#endregion
+
+using System.Linq;
+using OpenRA.Effects;
+using OpenRA.Mods.Common.Activities;
+using OpenRA.Mods.Common.Effects;
+using OpenRA.Mods.Common.Traits;
+using OpenRA.Scripting;
+using OpenRA.Traits;
+
+namespace OpenRA.Mods.Common.Scripting
+{
+	[ScriptPropertyGroup("Support Powers")]
+	public class NukeProperties : ScriptActorProperties, Requires<NukePowerInfo>
+	{
+		readonly NukePower np;
+
+		public NukeProperties(ScriptContext context, Actor self)
+			: base(context, self)
+		{
+			np = self.TraitsImplementing<NukePower>().First();
+		}
+
+		[Desc("Activate the actor's NukePower.")]
+		public void ActivateNukePower(CPos target)
+		{
+			np.Activate(Self, Self.World.Map.CenterOfCell(target));
+		}
+	}
+}