Preserve original brightness when remapping player colors.

OpenRA.Mods.Cnc/UtilityCommands/RemapShpCommand.cs

@@ -54,8 +54,7 @@ namespace OpenRA.Mods.Cnc.UtilityCommands
 
 			// the remap range is always 16 entries, but their location and order changes
 			for (var i = 0; i < 16; i++)
-				remap[PlayerColorRemap.GetRemapIndex(srcRemapIndex, i)]
-					= PlayerColorRemap.GetRemapIndex(destRemapIndex, i);
+				remap[srcRemapIndex[i]] = destRemapIndex[i];
 
 			// map everything else to the best match based on channel-wise distance
 			var srcPalette = new ImmutablePalette(args[1].Split(':')[1], new[] { 0 }, shadowIndex);