split AnnounceOnKill into its own file

OpenRA.Mods.RA/AnnounceOnKill.cs

@@ -0,0 +1,26 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2011 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 OpenRA.Traits;
+
+namespace OpenRA.Mods.RA
+{
+	public class AnnounceOnKillInfo : TraitInfo<AnnounceOnKill> {}
+
+	public class AnnounceOnKill : INotifyAppliedDamage
+	{	
+		public void AppliedDamage(Actor self, Actor damaged, AttackInfo e)
+		{
+			if (e.DamageState == DamageState.Dead)
+				Sound.PlayVoice("Kill", self, self.Owner.Country.Race);
+		}
+	}
+}
+