Add a camera to the Ion Cannon. Fixes #5058.

OpenRA.Mods.Cnc/IonCannonPower.cs

@@ -1,6 +1,6 @@
 #region Copyright & License Information
 /*
- * Copyright 2007-2011 The OpenRA Developers (see AUTHORS)
+ * 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,
@@ -10,11 +10,21 @@
 
 using OpenRA.Mods.Cnc.Effects;
 using OpenRA.Mods.RA;
+using OpenRA.Mods.RA.Activities;
+using OpenRA.Primitives;
+using OpenRA.Traits;
 
 namespace OpenRA.Mods.Cnc
 {
 	class IonCannonPowerInfo : SupportPowerInfo
 	{
+		[ActorReference]
+		[Desc("Actor to spawn when the attack starts")]
+		public readonly string CameraActor = null;
+
+		[Desc("Amount of time to keep the camera alive")]
+		public readonly int CameraRemoveDelay = 25;
+
 		public override object Create(ActorInitializer init) { return new IonCannonPower(init.self, this); }
 	}
 
@@ -34,8 +44,21 @@ namespace OpenRA.Mods.Cnc
 
 			self.World.AddFrameEndTask(w =>
 			{
+				var info = Info as IonCannonPowerInfo;
 				Sound.Play(Info.LaunchSound, order.TargetLocation.CenterPosition);
 				w.Add(new IonCannon(self, w, order.TargetLocation));
+
+				if (info.CameraActor == null)
+					return;
+
+				var camera = w.CreateActor(info.CameraActor, new TypeDictionary
+				{
+					new LocationInit(order.TargetLocation),
+					new OwnerInit(self.Owner),
+				});
+
+				camera.QueueActivity(new Wait(info.CameraRemoveDelay));
+				camera.QueueActivity(new RemoveSelf());
 			});
 		}
 	}