remapping!

git-svn-id: svn://svn.ijw.co.nz/svn/OpenRa@1108 993157c7-ee19-0410-b2c4-bb4e9862e678

OpenRa.FileFormats/OpenRa.FileFormats.csproj

@@ -36,6 +36,7 @@
     <Reference Include="System.Data" />
     <Reference Include="System.Drawing" />
     <Reference Include="System.Windows.Forms" />
+    <Reference Include="System.Xml" />
   </ItemGroup>
   <ItemGroup>
     <Compile Include="BitmapBuilder.cs" />
@@ -47,6 +48,7 @@
     <Compile Include="PackageEntry.cs" />
     <Compile Include="Package.cs" />
     <Compile Include="Palette.cs" />
+    <Compile Include="PaletteRemap.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="ShpReader.cs" />
     <Compile Include="Terrain.cs" />

OpenRa.FileFormats/Palette.cs

@@ -32,5 +32,11 @@ namespace OpenRa.FileFormats
 			colors[3] = Color.FromArgb(178, 0, 0, 0);
 			colors[4] = Color.FromArgb(140, 0, 0, 0);
 		}
+
+		public Palette(Palette p, PaletteRemap r)
+		{
+			for (int i = 0; i < 256; i++)
+				colors.Add(r.GetRemappedColor(p.GetColor(i), i));
+		}
 	}
 }

OpenRa.FileFormats/PaletteRemap.cs

@@ -0,0 +1,36 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.IO;
+using System.Drawing;
+
+namespace OpenRa.FileFormats
+{
+	public class PaletteRemap
+	{
+		List<Color> remapColors = new List<Color>();
+
+		public PaletteRemap(Stream s)
+		{
+			using (BinaryReader reader = new BinaryReader(s))
+			{
+				for (int i = 0; i < 16; i++)
+				{
+					byte r = reader.ReadByte();
+					byte g = reader.ReadByte();
+					byte b = reader.ReadByte();
+
+					remapColors.Add(Color.FromArgb(r, g, b));
+				}
+			}
+		}
+
+		public Color GetRemappedColor(Color original, int index)
+		{
+			if (index < 80 || index >= 96)
+				return original;
+
+			return remapColors[index - 80];
+		}
+	}
+}