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add --remap cmdlet to OpenRA Utility, remaps between ra/cnc/etc palettes.

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This commit is contained in:
Chris Forbes
2011-12-27 11:48:22 +13:00
parent f8127ab9df
commit 132c678594
3 changed files with 63 additions and 4 deletions
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46
OpenRA.Utility/Command.cs
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@@ -171,5 +171,51 @@ namespace OpenRA.Utility
File.WriteAllBytes( f, data );
}
}
static int ColorDistance(uint a, uint b)
{
var ca = Color.FromArgb((int)a);
var cb = Color.FromArgb((int)b);
return Math.Abs((int)ca.R - (int)cb.R) +
Math.Abs((int)ca.G - (int)cb.G) +
Math.Abs((int)ca.B - (int)cb.B);
}
public static void RemapShp(string[] args)
{
var remap = new Dictionary<int,int>();
/* the first 4 entries are fixed */
for( var i = 0; i < 4; i++ )
remap[i] = i;
var srcPaletteType = (PaletteFormat)Enum.Parse(typeof(PaletteFormat), args[1].Split(':')[0]);
var destPaletteType = (PaletteFormat)Enum.Parse(typeof(PaletteFormat), args[2].Split(':')[0]);
/* the remap range is always 16 entries, but their location and order changes */
for( var i = 0; i < 16; i++ )
remap[ PlayerColorRemap.GetRemapBase(srcPaletteType) + PlayerColorRemap.GetRemapRamp(srcPaletteType)[i] ]
= PlayerColorRemap.GetRemapBase(destPaletteType) + PlayerColorRemap.GetRemapRamp(destPaletteType)[i];
/* map everything else to the best match based on channel-wise distance */
var srcPalette = Palette.Load(args[1].Split(':')[1], false);
var destPalette = Palette.Load(args[2].Split(':')[1], false);
var fullIndexRange = OpenRA.Graphics.Util.MakeArray<int>(256, x => x);
for( var i = 0; i < 256; i++ )
if (!remap.ContainsKey(i))
remap[i] = fullIndexRange
.Where(a => !remap.ContainsValue(a))
.OrderBy(a => ColorDistance(destPalette.Values[a], srcPalette.Values[i]))
.First();
var srcImage = ShpReader.Load(args[3]);
using( var destStream = File.Create(args[4]) )
ShpWriter.Write(destStream, srcImage.Width, srcImage.Height,
srcImage.Select( im => im.Image.Select(px => (byte)remap[px]).ToArray() ));
}
}
}

2
OpenRA.Utility/Program.cs
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@@ -26,6 +26,7 @@ namespace OpenRA.Utility
{ "--fromd2", Command.ConvertFormat2ToFormat80 },
{ "--extract", Command.ExtractFiles },
{ "--tmp-png", Command.ConvertTmpToPng },
{ "--remap", Command.RemapShp },
};
if (args.Length == 0) { PrintUsage(); return; }
@@ -57,6 +58,7 @@ namespace OpenRA.Utility
Console.WriteLine(" --png SHPFILE PALETTE [--transparent] Convert a SHP to a PNG containing all of its frames, optionally setting up transparency");
Console.WriteLine(" --extract MOD[,MOD]* FILES Extract files from mod packages");
Console.WriteLine(" --tmp-png MOD[,MOD]* THEATER FILES Extract terrain tiles to PNG");
Console.WriteLine(" --remap SRCMOD:PAL DESTMOD:PAL SRCSHP DESTSHP Remap SHPs to another palette");
}
static string GetNamedArg(string[] args, string arg)