Use TS shroud artwork.

OpenRA.Mods.TS/OpenRA.Mods.TS.csproj

@@ -43,6 +43,7 @@
   </ItemGroup>
   <ItemGroup>
     <Compile Include="Widgets\Logic\TSInstallFromCDLogic.cs" />
+    <Compile Include="ShroudPalette.cs" />
   </ItemGroup>
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.

OpenRA.Mods.TS/ShroudPalette.cs

@@ -0,0 +1,46 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2014 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 System.Drawing;
+using OpenRA.FileFormats;
+using OpenRA.Graphics;
+using OpenRA.Traits;
+
+namespace OpenRA.Mods.TS
+{
+	[Desc("Adds the hard-coded shroud palette to the game")]
+	class TSShroudPaletteInfo : ITraitInfo
+	{
+		[Desc("Internal palette name")]
+		public readonly string Name = "shroud";
+
+		public object Create(ActorInitializer init) { return new TSShroudPalette(this); }
+	}
+
+	class TSShroudPalette : IPalette
+	{
+		readonly TSShroudPaletteInfo info;
+
+		public TSShroudPalette(TSShroudPaletteInfo info) { this.info = info; }
+
+		public void InitPalette(WorldRenderer wr)
+		{
+			Func<int, uint> makeColor = i =>
+			{
+				if (i < 128)
+					return (uint)(int2.Lerp(255, 0, i, 127) << 24);
+				return 0;
+			};
+
+			wr.AddPalette(info.Name, new Palette(Exts.MakeArray(256, i => makeColor(i))), false);
+		}
+	}
+}