Remove unnecessary indirection from palette creation.

OpenRA.FileFormats/Palette.cs

@@ -76,6 +76,13 @@ namespace OpenRA.FileFormats
 			colors = (uint[])p.colors.Clone();
 		}
 
+		public Palette(uint[] data)
+		{
+			if (data.Length != 256)
+				throw new InvalidDataException("Attempting to create palette with incorrect array size");
+			colors = (uint[])data.Clone();
+		}
+
 		public ColorPalette AsSystemPalette()
 		{
 			ColorPalette pal;

OpenRA.Mods.RA/FogPalette.cs

@@ -0,0 +1,44 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2013 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.Drawing;
+using OpenRA.FileFormats;
+using OpenRA.Graphics;
+using OpenRA.Traits;
+
+namespace OpenRA.Mods.RA
+{
+	class FogPaletteInfo : ITraitInfo
+	{
+		public readonly string Name = "fog";
+		public object Create(ActorInitializer init) { return new FogPalette(this); }
+	}
+
+	class FogPalette : IPalette
+	{
+		readonly FogPaletteInfo info;
+
+		public FogPalette(FogPaletteInfo info) { this.info = info; }
+
+		public void InitPalette(WorldRenderer wr)
+		{
+			var c = new[] {
+				Color.Transparent, Color.Green,
+				Color.Blue, Color.Yellow,
+				Color.FromArgb(128,0,0,0),
+				Color.FromArgb(128,0,0,0),
+				Color.FromArgb(128,0,0,0),
+				Color.FromArgb(64,0,0,0)
+			};
+
+			wr.AddPalette(info.Name, new Palette(Exts.MakeArray(256, i => (uint)c[i % 8].ToArgb())), false);
+		}
+	}
+}

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

@@ -407,6 +407,7 @@
     <Compile Include="Widgets\Logic\CheatsLogic.cs" />
     <Compile Include="CloakPaletteEffect.cs" />
     <Compile Include="Widgets\ColorPreviewManagerWidget.cs" />
+    <Compile Include="FogPalette.cs" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\OpenRA.FileFormats\OpenRA.FileFormats.csproj">

OpenRA.Mods.RA/PaletteFromRGBA.cs

@@ -40,26 +40,12 @@ namespace OpenRA.Mods.RA
 
 		public void InitPalette(WorldRenderer wr)
 		{
-			if (info.Tileset == null || info.Tileset.ToLowerInvariant() == world.Map.Tileset.ToLowerInvariant())
-			{
-				// TODO: This shouldn't rely on a base palette
-				var pal = wr.GetPalette("terrain");
-				wr.AddPalette(info.Name, new Palette(pal, new SingleColorRemap(Color.FromArgb(info.A, info.R, info.G, info.B))), info.AllowModifiers);
-			}
-		}
-	}
+			// Enable palette only for a specific tileset
+			if (info.Tileset != null && info.Tileset.ToLowerInvariant() != world.Map.Tileset.ToLowerInvariant())
+				return;
 
-	class SingleColorRemap : IPaletteRemap
-	{
-		Color c;
-		public SingleColorRemap(Color c)
-		{
-			this.c = c;
-		}
-
-		public Color GetRemappedColor(Color original, int index)
-		{
-			return original.A > 0 ? c : original;
+			var c = (uint)((info.A << 24) | (info.R << 16) | (info.G << 8) | info.B);
+			wr.AddPalette(info.Name, new Palette(Exts.MakeArray(256, i => (i == 0) ? 0 : c)), info.AllowModifiers);
 		}
 	}
 }

OpenRA.Mods.RA/ShroudPalette.cs

@@ -18,8 +18,6 @@ namespace OpenRA.Mods.RA
 	class ShroudPaletteInfo : ITraitInfo
 	{
 		public readonly string Name = "shroud";
-		public readonly bool IsFog = false;
-
 		public object Create(ActorInitializer init) { return new ShroudPalette(this); }
 	}
 
@@ -31,34 +29,16 @@ namespace OpenRA.Mods.RA
 
 		public void InitPalette(WorldRenderer wr)
 		{
-			var pal = wr.GetPalette("terrain");
-			wr.AddPalette(info.Name, new Palette(pal, new ShroudPaletteRemap(info.IsFog)), false);
-		}
-	}
-
-	class ShroudPaletteRemap : IPaletteRemap
-	{
-		bool isFog;
-
-		public ShroudPaletteRemap(bool isFog) { this.isFog = isFog; }
-		public Color GetRemappedColor(Color original, int index)
-		{
-			if (isFog)
-				return new[] {
-					Color.Transparent, Color.Green,
-					Color.Blue, Color.Yellow,
-					Color.FromArgb(128,0,0,0),
-					Color.FromArgb(128,0,0,0),
-					Color.FromArgb(128,0,0,0),
-					Color.FromArgb(64,0,0,0)}[index % 8];
-			else
-				return new[] {
+			var c = new[] {
 				Color.Transparent, Color.Green,
 				Color.Blue, Color.Yellow,
 				Color.Black,
 				Color.FromArgb(128,0,0,0),
 				Color.Transparent,
-					Color.Transparent}[index % 8];
+				Color.Transparent
+			};
+
+			wr.AddPalette(info.Name, new Palette(Exts.MakeArray(256, i => (uint)c[i % 8].ToArgb())), false);
 		}
 	}
 }

mods/cnc/rules/system.yaml

@@ -109,10 +109,8 @@ World:
 		G: 0
 		B: 0
 		A: 180
-	ShroudPalette@shroud:
-	ShroudPalette@fog:
-		IsFog: yes
-		Name: fog
+	ShroudPalette:
+	FogPalette:
 	Country@gdi:
 		Name: GDI
 		Race: gdi

mods/d2k/rules/system.yaml

@@ -304,10 +304,8 @@ World:
 		G: 0
 		B: 0
 		A: 180
-	ShroudPalette@shroud:
-	ShroudPalette@fog:
-		IsFog: yes
-		Name: fog
+	ShroudPalette:
+	FogPalette:
 	Country@Atreides:
 		Name: Atreides
 		Race: atreides

mods/ra/rules/system.yaml

@@ -259,10 +259,8 @@ World:
 		G: 0
 		B: 0
 		A: 180
-	ShroudPalette@shroud:
-	ShroudPalette@fog:
-		IsFog: yes
-		Name: fog
+	ShroudPalette:
+	FogPalette:
 	Country@0:
 		Name: Allies
 		Race: allies