Refactor RenderEditorOnly into RenderSpritesEditorOnly + WithSpriteBody

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

@@ -0,0 +1,29 @@
+#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 System.Collections.Generic;
+using OpenRA.Graphics;
+
+namespace OpenRA.Mods.Common.Traits
+{
+	[Desc("Invisible during games.")]
+	class RenderSpritesEditorOnlyInfo : RenderSpritesInfo
+	{
+		public override object Create(ActorInitializer init) { return new RenderSpritesEditorOnly(init, this); }
+	}
+
+	class RenderSpritesEditorOnly : RenderSprites
+	{
+		public RenderSpritesEditorOnly(ActorInitializer init, RenderSpritesEditorOnlyInfo info)
+			: base(init, info) { }
+
+		public override IEnumerable<IRenderable> Render(Actor self, WorldRenderer wr) { return SpriteRenderable.None; }
+	}
+}