RenderBuildingCharge -> WithChargeAnimation

OpenRA.Mods.Common/Traits/Render/WithChargeAnimation.cs

@@ -0,0 +1,40 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2015 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.Common.Traits
+{
+	[Desc("This actor displays a charge-up animation before firing.")]
+	public class WithChargeAnimationInfo : ITraitInfo, Requires<WithSpriteBodyInfo>, Requires<RenderSpritesInfo>
+	{
+		[Desc("Sequence to use for charge animation.")]
+		[SequenceReference] public readonly string ChargeSequence = "active";
+
+		public object Create(ActorInitializer init) { return new WithChargeAnimation(init, this); }
+	}
+
+	public class WithChargeAnimation : INotifyCharging
+	{
+		readonly WithChargeAnimationInfo info;
+		readonly WithSpriteBody wsb;
+
+		public WithChargeAnimation(ActorInitializer init, WithChargeAnimationInfo info)
+		{
+			this.info = info;
+			wsb = init.Self.Trait<WithSpriteBody>();
+		}
+
+		public void Charging(Actor self, Target target)
+		{
+			wsb.PlayCustomAnimation(self, info.ChargeSequence);
+		}
+	}
+}