public static void Main(string[] args)
{
bool showHelp = false;
bool verbose = false;
bool noCrypto = false;
var options = new OptionSet()
{
{ "no-crypto", "don't use any encryption", v => noCrypto = v != null },
{ "v|verbose", "be verbose", v => verbose = v != null },
{ "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]+ input_dir [output_dir]", GetExecutableName());
Console.WriteLine();
Console.WriteLine("Options:");
options.WriteOptionDescriptions(Console.Out);
return;
}
const Endian endian = Endian.Little;
var inputPath = Path.GetFullPath(extras[0]);
var outputPath = extras.Count > 1 ? extras[1] : Path.ChangeExtension(inputPath, null) + "_unpack";
var archiveInfosUnsorted = new List <ArchiveInfo>();
var basePathInfo = new List <KeyValuePair <string, string> >();
basePathInfo.Add(new KeyValuePair <string, string>(Path.Combine(inputPath, "data"), "*.ipf"));
basePathInfo.Add(new KeyValuePair <string, string>(Path.Combine(inputPath, "patch"), "*_001001.ipf"));
foreach (var kv in basePathInfo)
{
var basePath = kv.Key;
var filter = kv.Value;
if (Directory.Exists(basePath) == false)
{
continue;
}
foreach (var archivePath in Directory.GetFiles(basePath, filter))
{
using (var input = File.OpenRead(archivePath))
{
if (input.Length < ArchiveHeader.Size)
{
throw new FormatException();
}
input.Seek(-ArchiveHeader.Size, SeekOrigin.End);
var header = ArchiveHeader.Read(input, endian);
if (header.Magic != ArchiveHeader.Signature)
{
throw new FormatException();
}
archiveInfosUnsorted.Add(
new ArchiveInfo(archivePath,
header.BaseRevision,
header.Revision,
header.FileTableCount + header.DeletionTableCount));
}
}
}
var archiveInfos = archiveInfosUnsorted.OrderBy(ai => ai.BaseRevision)
.ThenBy(ai => ai.Revision)
.ThenBy(ai => ai.Path)
.ToList();
long current = 0;
long total = archiveInfos.Sum(ai => ai.TotalCount);
var padding = total.ToString(CultureInfo.InvariantCulture).Length;
var dataPaths = new Dictionary <string, List <string> >();
foreach (var archiveInfo in archiveInfos)
{
using (var input = File.OpenRead(archiveInfo.Path))
{
if (input.Length < ArchiveHeader.Size)
{
throw new FormatException();
}
input.Seek(-ArchiveHeader.Size, SeekOrigin.End);
var header = ArchiveHeader.Read(input, endian);
if (header.Magic != ArchiveHeader.Signature)
{
throw new FormatException();
}
var fileEntries = new ArchiveFileEntry[header.FileTableCount];
if (header.FileTableCount > 0)
{
input.Position = header.FileTableOffset;
for (int i = 0; i < header.FileTableCount; i++)
{
fileEntries[i] = ArchiveFileEntry.Read(input, endian);
}
}
var deletionEntries = new ArchiveDeletionEntry[header.DeletionTableCount];
if (header.DeletionTableCount > 0)
{
input.Position = header.DeletionTableOffset;
for (int i = 0; i < header.DeletionTableCount; i++)
{
deletionEntries[i] = ArchiveDeletionEntry.Read(input, endian);
}
}
foreach (var entry in deletionEntries)
{
current++;
if (entry.Archive == "data")
{
var dataPath = entry.Name.ToLowerInvariant();
if (dataPaths.ContainsKey(dataPath) == false)
{
// probably an incorrect entry pointing to a directory
continue;
}
foreach (var entryPath in dataPaths[dataPath])
{
if (File.Exists(entryPath) == true)
{
File.Delete(entryPath);
}
}
dataPaths.Remove(entry.Name);
}
else
{
throw new NotImplementedException();
var entryPath = Path.Combine(outputPath, entry.Archive, entry.Name);
if (File.Exists(entryPath) == true)
{
File.Delete(entryPath);
}
}
}
foreach (var entry in fileEntries)
{
current++;
var entryPath = Path.Combine(outputPath,
entry.Archive.Replace('/', Path.DirectorySeparatorChar),
entry.Name.Replace('/', Path.DirectorySeparatorChar));
var dataPath = entry.Name.ToLowerInvariant();
if (dataPaths.ContainsKey(dataPath) == false)
{
dataPaths[dataPath] = new List <string>();
}
if (dataPaths[dataPath].Contains(entryPath) == false)
{
dataPaths[dataPath].Add(entryPath);
}
if (verbose == true)
{
Console.WriteLine("[{0}/{1}] {2}/{3}",
current.ToString(CultureInfo.InvariantCulture).PadLeft(padding),
total,
entry.Archive,
entry.Name);
}
input.Seek(entry.Offset, SeekOrigin.Begin);
var entryDirectory = Path.GetDirectoryName(entryPath);
if (entryDirectory != null)
{
Directory.CreateDirectory(entryDirectory);
}
using (var output = File.Create(entryPath))
{
input.Seek(entry.Offset, SeekOrigin.Begin);
if (entry.ShouldCompress == false)
{
output.WriteFromStream(input, entry.CompressedSize);
}
else
{
var bytes = input.ReadBytes(entry.CompressedSize);
if (noCrypto == false)
{
var crypto = new ArchiveCrypto();
crypto.Decrypt(bytes, 0, bytes.Length);
}
using (var temp = new MemoryStream(bytes, false))
{
var zlib = new InflaterInputStream(temp, new Inflater(true));
output.WriteFromStream(zlib, entry.UncompressedSize);
}
}
}
}
}
}
}
public static void Main(string[] args)
{
bool showHelp = false;
bool overwriteFiles = false;
bool noCrypto = false;
bool verbose = false;
var options = new OptionSet()
{
{ "no-crypto", "don't use any encryption", v => noCrypto = v != null },
{ "o|overwrite", "overwrite existing files", v => overwriteFiles = v != null },
{ "v|verbose", "be verbose", v => verbose = v != null },
{ "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]+ input_ipf [output_dir]", GetExecutableName());
Console.WriteLine();
Console.WriteLine("Options:");
options.WriteOptionDescriptions(Console.Out);
return;
}
var inputPath = Path.GetFullPath(extras[0]);
var outputPath = extras.Count > 1 ? extras[1] : Path.ChangeExtension(inputPath, null) + "_unpack";
const Endian endian = Endian.Little;
using (var input = File.OpenRead(inputPath))
{
if (input.Length < ArchiveHeader.Size)
{
throw new FormatException();
}
input.Seek(-ArchiveHeader.Size, SeekOrigin.End);
var header = ArchiveHeader.Read(input, endian);
if (header.Magic != ArchiveHeader.Signature)
{
throw new FormatException();
}
var fileEntries = new ArchiveFileEntry[header.FileTableCount];
if (header.FileTableCount > 0)
{
input.Position = header.FileTableOffset;
for (int i = 0; i < header.FileTableCount; i++)
{
fileEntries[i] = ArchiveFileEntry.Read(input, endian);
}
}
var deletionEntries = new ArchiveDeletionEntry[header.DeletionTableCount];
if (header.DeletionTableCount > 0)
{
input.Position = header.DeletionTableOffset;
for (int i = 0; i < header.DeletionTableCount; i++)
{
deletionEntries[i] = ArchiveDeletionEntry.Read(input, endian);
}
}
long current = 0;
long total = fileEntries.Length;
var padding = total.ToString(CultureInfo.InvariantCulture).Length;
if (header.DeletionTableCount > 0)
{
Directory.CreateDirectory(outputPath);
using (var output = File.Create(Path.Combine(outputPath, "deletions.json")))
using (var streamWriter = new StreamWriter(output))
using (var writer = new JsonTextWriter(streamWriter))
{
writer.Indentation = 2;
writer.IndentChar = ' ';
writer.Formatting = Formatting.Indented;
writer.WriteStartArray();
foreach (var deletionEntry in deletionEntries)
{
writer.WriteStartObject();
writer.WritePropertyName("archive");
writer.WriteValue(deletionEntry.Archive);
writer.WritePropertyName("name");
writer.WriteValue(deletionEntry.Name);
writer.WriteEndObject();
}
writer.WriteEndArray();
}
}
foreach (var entry in fileEntries)
{
current++;
var entryPath = Path.Combine(outputPath,
entry.Archive.Replace('/', Path.DirectorySeparatorChar),
entry.Name.Replace('/', Path.DirectorySeparatorChar));
if (overwriteFiles == false && File.Exists(entryPath) == true)
{
continue;
}
if (verbose == true)
{
Console.WriteLine("[{0}/{1}] {2}",
current.ToString(CultureInfo.InvariantCulture).PadLeft(padding),
total,
entry.Name);
}
input.Seek(entry.Offset, SeekOrigin.Begin);
var entryDirectory = Path.GetDirectoryName(entryPath);
if (entryDirectory != null)
{
Directory.CreateDirectory(entryDirectory);
}
using (var output = File.Create(entryPath))
{
input.Seek(entry.Offset, SeekOrigin.Begin);
if (entry.ShouldCompress == false)
{
output.WriteFromStream(input, entry.CompressedSize);
}
else
{
var bytes = input.ReadBytes(entry.CompressedSize);
if (noCrypto == false)
{
var crypto = new ArchiveCrypto();
crypto.Decrypt(bytes, 0, bytes.Length);
}
using (var temp = new MemoryStream(bytes, false))
{
var zlib = new InflaterInputStream(temp, new Inflater(true));
output.WriteFromStream(zlib, entry.UncompressedSize);
}
}
}
}
}
}
