Add ability to use NukePower via lua.

OpenRA.Mods.Common/OpenRA.Mods.Common.csproj

@@ -266,6 +266,7 @@
     <Compile Include="Scripting\Properties\ConditionProperties.cs" />
     <Compile Include="Scripting\Properties\ParadropProperties.cs" />
     <Compile Include="Scripting\Properties\ParatroopersProperties.cs" />
+    <Compile Include="Scripting\Properties\NukeProperties.cs" />
     <Compile Include="TraitsInterfaces.cs" />
     <Compile Include="Traits\AcceptsDeliveredCash.cs" />
     <Compile Include="Traits\AcceptsDeliveredExperience.cs" />

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));
+		}
+	}
+}

OpenRA.Mods.Common/Traits/SupportPowers/NukePower.cs

@@ -108,10 +108,14 @@ namespace OpenRA.Mods.Common.Traits
 			base.Activate(self, order, manager);
 			PlayLaunchSounds();
 
+			Activate(self, self.World.Map.CenterOfCell(order.TargetLocation));
+		}
+
+		public void Activate(Actor self, WPos targetPosition)
+		{
 			foreach (var launchpad in self.TraitsImplementing<INotifyNuke>())
 				launchpad.Launching(self);
 
-			var targetPosition = self.World.Map.CenterOfCell(order.TargetLocation);
 			var palette = info.IsPlayerPalette ? info.MissilePalette + self.Owner.InternalName : info.MissilePalette;
 			var missile = new NukeLaunch(self.Owner, info.MissileWeapon, info.WeaponInfo, palette, info.MissileUp, info.MissileDown,
 				self.CenterPosition + body.LocalToWorld(info.SpawnOffset),
@@ -133,7 +137,7 @@ namespace OpenRA.Mods.Common.Traits
 			if (Info.DisplayBeacon)
 			{
 				var beacon = new Beacon(
-					order.Player,
+					self.Owner,
 					targetPosition,
 					Info.BeaconPaletteIsPlayerPalette,
 					Info.BeaconPalette,