private static IResource GetResource(
ExportInfo[] exportInfos, ImportInfo[] importInfos, int index)
{
if (index == 0)
{
return null;
}
if (index < 0 && -index <= importInfos.Length)
{
return importInfos[-index - 1];
}
if (index > 0 && index <= exportInfos.Length)
{
return exportInfos[index - 1];
}
throw new InvalidOperationException();
}
public static void Main(string[] args)
{
var showHelp = false;
string classFilter = null;
var options = new OptionSet()
{
{
"c|class=",
"only unpack exports that are instances of specified class, ie Core.GFxUI.GFxMovieInfo",
v => classFilter = v
},
{
"h|help",
"show this message and exit",
v => showHelp = v != null
},
};
List<string> extras;
try
{
extras = options.Parse(args);
}
catch (OptionException e)
{
Console.Write("{0}: ", GetExecutableName());
Console.WriteLine(e.Message);
Console.WriteLine("Try `{0} --help' for more information.", GetExecutableName());
return;
}
if (extras.Count < 1 || extras.Count > 2 ||
showHelp == true)
{
Console.WriteLine("Usage: {0} [OPTIONS]+ -j input_pcc [output_pcc]", GetExecutableName());
Console.WriteLine();
Console.WriteLine("Options:");
options.WriteOptionDescriptions(Console.Out);
return;
}
var inputPath = extras[0];
var outputPath = extras.Count >= 2 ? extras[1] : Path.ChangeExtension(inputPath, null);
using (var input = File.OpenRead(inputPath))
{
var magic = input.ReadValueU32(Endian.Little);
if (magic != 0x9E2A83C1 &&
magic.Swap() != 0x9E2A83C1)
{
throw new FormatException("not a package");
}
var endian = magic == 0x9E2A83C1 ?
Endian.Little : Endian.Big;
var encoding = endian == Endian.Little ?
Encoding.Unicode : Encoding.BigEndianUnicode;
var versionLo = input.ReadValueU16(endian);
var versionHi = input.ReadValueU16(endian);
if (versionLo != 684 &&
versionHi != 194)
{
throw new FormatException("unsupported version");
}
input.Seek(4, SeekOrigin.Current);
var folderNameLength = input.ReadValueS32(endian);
var folderNameByteLength =
folderNameLength >= 0 ? folderNameLength : (-folderNameLength * 2);
input.Seek(folderNameByteLength, SeekOrigin.Current);
/*var packageFlagsOffset = input.Position;*/
var packageFlags = input.ReadValueU32(endian);
if ((packageFlags & 8) != 0)
{
input.Seek(4, SeekOrigin.Current);
}
var nameCount = input.ReadValueU32(endian);
var namesOffset = input.ReadValueU32(endian);
var exportCount = input.ReadValueU32(endian);
var exportInfosOffset = input.ReadValueU32(endian);
var importCount = input.ReadValueU32(endian);
var importInfosOffset = input.ReadValueU32(endian);
Stream data;
if ((packageFlags & 0x02000000) == 0)
{
data = input;
}
else
{
input.Seek(36, SeekOrigin.Current);
var generationsCount = input.ReadValueU32(endian);
input.Seek(generationsCount * 12, SeekOrigin.Current);
input.Seek(20, SeekOrigin.Current);
var blockCount = input.ReadValueU32(endian);
var blockStream = new BlockStream(input);
for (int i = 0; i < blockCount; i++)
{
var uncompressedOffset = input.ReadValueU32(endian);
var uncompressedSize = input.ReadValueU32(endian);
var compressedOffset = input.ReadValueU32(endian);
var compressedSize = input.ReadValueU32(endian);
blockStream.AddBlock(
uncompressedOffset, uncompressedSize,
compressedOffset, compressedSize);
}
data = blockStream;
}
var names = new string[nameCount];
var exportInfos = new ExportInfo[exportCount];
for (uint i = 0; i < exportCount; i++)
{
exportInfos[i] = new ExportInfo();
}
var importInfos = new ImportInfo[importCount];
for (uint i = 0; i < importCount; i++)
{
importInfos[i] = new ImportInfo();
}
data.Seek(namesOffset, SeekOrigin.Begin);
for (uint i = 0; i < nameCount; i++)
{
var nameLength = data.ReadValueS32(endian);
if (nameLength >= 0)
{
names[i] = data.ReadString(nameLength, true, Encoding.UTF8);
}
else
{
names[i] = data.ReadString(-nameLength * 2, true, encoding);
}
}
data.Seek(importInfosOffset, SeekOrigin.Begin);
for (uint i = 0; i < importCount; i++)
{
var importInfo = importInfos[i];
var packageNameIndex = data.ReadValueS32(endian);
importInfo.PackageName = names[packageNameIndex];
data.Seek(12, SeekOrigin.Current);
var outerIndex = data.ReadValueS32(endian);
importInfo.Outer = GetResource(exportInfos, importInfos, outerIndex);
var objectNameIndex = data.ReadValueS32(endian);
importInfo.ObjectName = names[objectNameIndex];
data.Seek(4, SeekOrigin.Current);
}
data.Seek(exportInfosOffset, SeekOrigin.Begin);
for (uint i = 0; i < exportCount; i++)
{
var exportInfo = exportInfos[i];
exportInfo.PackageName = Path.GetFileNameWithoutExtension(inputPath);
var classIndex = data.ReadValueS32(endian);
exportInfo.Class = GetResource(exportInfos, importInfos, classIndex);
data.Seek(4, SeekOrigin.Current);
var outerIndex = data.ReadValueS32(endian);
exportInfo.Outer = GetResource(exportInfos, importInfos, outerIndex);
var objectNameIndex = data.ReadValueS32(endian);
exportInfo.ObjectName = names[objectNameIndex];
data.Seek(16, SeekOrigin.Current);
exportInfo.DataSize = data.ReadValueU32(endian);
exportInfo.DataOffset = data.ReadValueU32(endian);
data.Seek(4, SeekOrigin.Current);
var count = data.ReadValueU32(endian);
data.Seek(count * 4, SeekOrigin.Current);
data.Seek(20, SeekOrigin.Current);
}
for (int i = 0; i < exportInfos.Length; i++)
{
var exportInfo = exportInfos[i];
if (classFilter != null)
{
if (exportInfo.Class == null)
{
continue;
}
if (exportInfo.Class.FullName.ToLowerInvariant() !=
classFilter)
{
continue;
}
}
if (exportInfo.Class == null)
{
Console.WriteLine("{0}", exportInfo.FullName);
}
else
{
Console.WriteLine("({0}) {1}",
exportInfo.Class.FullName,
exportInfo.FullName);
}
var fullPath = exportInfo.FullPath;
fullPath = fullPath.Replace(":", "_");
var exportPath = Path.Combine(outputPath, fullPath + " [export#" + i.ToString(CultureInfo.InvariantCulture) + "].bin");
if (File.Exists(exportPath) == true)
{
throw new InvalidOperationException();
}
Directory.CreateDirectory(Path.GetDirectoryName(exportPath));
using (var output = File.Create(exportPath))
{
data.Seek(exportInfo.DataOffset, SeekOrigin.Begin);
output.WriteFromStream(data, exportInfo.DataSize);
}
}
}
}
public static void Main(string[] args)
{
var showHelp = false;
string classFilter = null;
var options = new OptionSet()
{
{
"c|class=",
"only unpack exports that are instances of specified class, ie Core.GFxUI.GFxMovieInfo",
v => classFilter = v
},
{
"h|help",
"show this message and exit",
v => showHelp = v != null
},
};
List <string> extras;
try
{
extras = options.Parse(args);
}
catch (OptionException e)
{
Console.Write("{0}: ", GetExecutableName());
Console.WriteLine(e.Message);
Console.WriteLine("Try `{0} --help' for more information.", GetExecutableName());
return;
}
if (extras.Count < 1 || extras.Count > 2 ||
showHelp == true)
{
Console.WriteLine("Usage: {0} [OPTIONS]+ -j input_pcc [output_pcc]", GetExecutableName());
Console.WriteLine();
Console.WriteLine("Options:");
options.WriteOptionDescriptions(Console.Out);
return;
}
var inputPath = extras[0];
var outputPath = extras.Count >= 2 ? extras[1] : Path.ChangeExtension(inputPath, null);
using (var input = File.OpenRead(inputPath))
{
var magic = input.ReadValueU32(Endian.Little);
if (magic != 0x9E2A83C1 &&
magic.Swap() != 0x9E2A83C1)
{
throw new FormatException("not a package");
}
var endian = magic == 0x9E2A83C1 ?
Endian.Little : Endian.Big;
var encoding = endian == Endian.Little ?
Encoding.Unicode : Encoding.BigEndianUnicode;
var versionLo = input.ReadValueU16(endian);
var versionHi = input.ReadValueU16(endian);
if (versionLo != 684 &&
versionHi != 194)
{
throw new FormatException("unsupported version");
}
input.Seek(4, SeekOrigin.Current);
var folderNameLength = input.ReadValueS32(endian);
var folderNameByteLength =
folderNameLength >= 0 ? folderNameLength : (-folderNameLength * 2);
input.Seek(folderNameByteLength, SeekOrigin.Current);
/*var packageFlagsOffset = input.Position;*/
var packageFlags = input.ReadValueU32(endian);
if ((packageFlags & 8) != 0)
{
input.Seek(4, SeekOrigin.Current);
}
var nameCount = input.ReadValueU32(endian);
var namesOffset = input.ReadValueU32(endian);
var exportCount = input.ReadValueU32(endian);
var exportInfosOffset = input.ReadValueU32(endian);
var importCount = input.ReadValueU32(endian);
var importInfosOffset = input.ReadValueU32(endian);
Stream data;
if ((packageFlags & 0x02000000) == 0)
{
data = input;
}
else
{
input.Seek(36, SeekOrigin.Current);
var generationsCount = input.ReadValueU32(endian);
input.Seek(generationsCount * 12, SeekOrigin.Current);
input.Seek(20, SeekOrigin.Current);
var blockCount = input.ReadValueU32(endian);
var blockStream = new BlockStream(input);
for (int i = 0; i < blockCount; i++)
{
var uncompressedOffset = input.ReadValueU32(endian);
var uncompressedSize = input.ReadValueU32(endian);
var compressedOffset = input.ReadValueU32(endian);
var compressedSize = input.ReadValueU32(endian);
blockStream.AddBlock(
uncompressedOffset, uncompressedSize,
compressedOffset, compressedSize);
}
data = blockStream;
}
var names = new string[nameCount];
var exportInfos = new ExportInfo[exportCount];
for (uint i = 0; i < exportCount; i++)
{
exportInfos[i] = new ExportInfo();
}
var importInfos = new ImportInfo[importCount];
for (uint i = 0; i < importCount; i++)
{
importInfos[i] = new ImportInfo();
}
data.Seek(namesOffset, SeekOrigin.Begin);
for (uint i = 0; i < nameCount; i++)
{
var nameLength = data.ReadValueS32(endian);
if (nameLength >= 0)
{
names[i] = data.ReadString(nameLength, true, Encoding.UTF8);
}
else
{
names[i] = data.ReadString(-nameLength * 2, true, encoding);
}
}
data.Seek(importInfosOffset, SeekOrigin.Begin);
for (uint i = 0; i < importCount; i++)
{
var importInfo = importInfos[i];
var packageNameIndex = data.ReadValueS32(endian);
importInfo.PackageName = names[packageNameIndex];
data.Seek(12, SeekOrigin.Current);
var outerIndex = data.ReadValueS32(endian);
importInfo.Outer = GetResource(exportInfos, importInfos, outerIndex);
var objectNameIndex = data.ReadValueS32(endian);
importInfo.ObjectName = names[objectNameIndex];
data.Seek(4, SeekOrigin.Current);
}
data.Seek(exportInfosOffset, SeekOrigin.Begin);
for (uint i = 0; i < exportCount; i++)
{
var exportInfo = exportInfos[i];
exportInfo.PackageName = Path.GetFileNameWithoutExtension(inputPath);
var classIndex = data.ReadValueS32(endian);
exportInfo.Class = GetResource(exportInfos, importInfos, classIndex);
data.Seek(4, SeekOrigin.Current);
var outerIndex = data.ReadValueS32(endian);
exportInfo.Outer = GetResource(exportInfos, importInfos, outerIndex);
var objectNameIndex = data.ReadValueS32(endian);
exportInfo.ObjectName = names[objectNameIndex];
data.Seek(16, SeekOrigin.Current);
exportInfo.DataSize = data.ReadValueU32(endian);
exportInfo.DataOffset = data.ReadValueU32(endian);
data.Seek(4, SeekOrigin.Current);
var count = data.ReadValueU32(endian);
data.Seek(count * 4, SeekOrigin.Current);
data.Seek(20, SeekOrigin.Current);
}
for (int i = 0; i < exportInfos.Length; i++)
{
var exportInfo = exportInfos[i];
if (classFilter != null)
{
if (exportInfo.Class == null)
{
continue;
}
if (exportInfo.Class.FullName.ToLowerInvariant() !=
classFilter)
{
continue;
}
}
if (exportInfo.Class == null)
{
Console.WriteLine("{0}", exportInfo.FullName);
}
else
{
Console.WriteLine("({0}) {1}",
exportInfo.Class.FullName,
exportInfo.FullName);
}
var fullPath = exportInfo.FullPath;
fullPath = fullPath.Replace(":", "_");
var exportPath = Path.Combine(outputPath, fullPath + " [export#" + i.ToString(CultureInfo.InvariantCulture) + "].bin");
if (File.Exists(exportPath) == true)
{
throw new InvalidOperationException();
}
Directory.CreateDirectory(Path.GetDirectoryName(exportPath));
using (var output = File.Create(exportPath))
{
data.Seek(exportInfo.DataOffset, SeekOrigin.Begin);
output.WriteFromStream(data, exportInfo.DataSize);
}
}
}
}