Kill RenderUnitRotor in favour of RenderUnit + WithRotor.

OpenRA.Mods.RA/Render/WithMuzzleFlash.cs

@@ -0,0 +1,55 @@
+#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 System.Collections.Generic;
+using OpenRA.Graphics;
+using OpenRA.Traits;
+
+namespace OpenRA.Mods.RA.Render
+{
+	class WithMuzzleFlashInfo : ITraitInfo, ITraitPrerequisite<RenderSimpleInfo>
+	{
+		public object Create(ActorInitializer init) { return new WithMuzzleFlash(init.self); }
+	}
+
+	class WithMuzzleFlash : INotifyAttack
+	{
+		List<Animation> muzzleFlashes = new List<Animation>();
+		bool isShowing;
+
+		public WithMuzzleFlash(Actor self)
+		{
+			var attack = self.Trait<AttackBase>();
+			var render = self.Trait<RenderSimple>();
+			var facing = self.Trait<IFacing>();
+
+			foreach (var t in attack.Turrets)
+			{
+				var turret = t;
+				var muzzleFlash = new Animation(render.GetImage(self), () => self.Trait<IFacing>().Facing);
+				muzzleFlash.Play("muzzle");
+
+				render.anims.Add("muzzle{0}".F(muzzleFlashes.Count), new RenderSimple.AnimationWithOffset(
+					muzzleFlash,
+					() => Combat.GetTurretPosition(self, facing, turret),
+					() => !isShowing));
+
+				muzzleFlashes.Add(muzzleFlash);
+			}
+		}
+
+		public void Attacking(Actor self, Target target)
+		{
+			isShowing = true;
+			foreach( var mf in muzzleFlashes )
+				mf.PlayThen("muzzle", () => isShowing = false);
+		}
+	}
+}