Implement WithDecorationDisguised.

OpenRA.Mods.RA/OpenRA.Mods.RA.csproj

@@ -106,6 +106,7 @@
     <Compile Include="Scripting\Properties\ParadropProperties.cs" />
     <Compile Include="Scripting\Properties\ParatroopersProperties.cs" />
     <Compile Include="Traits\Render\WithDisguisingInfantryBody.cs" />
+    <Compile Include="Traits\Render\WithDecorationDisguised.cs" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\OpenRA.Game\OpenRA.Game.csproj">

OpenRA.Mods.RA/Traits/Render/WithDecorationDisguised.cs

@@ -0,0 +1,42 @@
+#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;
+using OpenRA.Mods.Common.Traits;
+using OpenRA.Traits;
+
+namespace OpenRA.Mods.RA.Traits
+{
+	public class WithDecorationDisguisedInfo : WithDecorationInfo, Requires<DisguiseInfo>
+	{
+		[Desc("Require an active disguise to render this decoration?")]
+		public readonly bool RequireDisguise = true;
+
+		public override object Create(ActorInitializer init) { return new WithDecorationDisguised(init.Self, this); }
+	}
+
+	public class WithDecorationDisguised : WithDecoration
+	{
+		readonly WithDecorationDisguisedInfo info;
+		readonly Disguise disguise;
+
+		public WithDecorationDisguised(Actor self, WithDecorationDisguisedInfo info)
+			: base(self, info)
+		{
+			this.info = info;
+			disguise = self.Trait<Disguise>();
+		}
+
+		public override bool ShouldRender(Actor self)
+		{
+			return !info.RequireDisguise || disguise.Disguised;
+		}
+	}
+}