static void DecompressPak(string pak_file, string out_directory)
{
Directory.CreateDirectory(out_directory);
PakFile pak = PakFile.ReadFromFile(pak_file);
using (var fs = File.OpenRead(pak_file))
using (var reader = new UE_Reader(fs, true))
{
foreach (var entry in pak.Index.Entries)
{
Console.WriteLine($"Processing {entry.Filename}");
if (entry.Encrypted || entry.Position < 0)
{
Console.WriteLine("Encrypted or not present, pass.");
continue;
}
string out_p = Path.Combine(out_directory, entry.Filename);
Directory.CreateDirectory(Path.GetDirectoryName(out_p));
using (var fs_w = File.Create(out_p))
{
Decompress.懒得起名(fs_w, reader, entry);
}
}
}
}
public static PakFile ReadFromFile(string path)
{
PakFile pak;
using (var fs = File.OpenRead(path))
using (var reader = new UE_Reader(fs, true))
{
pak = new PakFile(reader);
}
return(pak);
}
public PakIndex(UE_Reader reader, PakFile pak)
{
Pak = pak;
MountPoint = reader.ReadString();
PakEntryCount = reader.ReadInt32();
Entries = new PakEntry[PakEntryCount];
for (int i = 0; i < Entries.Length; i++)
{
Entries[i] = new PakEntry(reader, this);
}
}
public PakInfo(UE_Reader reader, PakFile pak)
{
Pak = pak;
EncryptionKeyGuid = reader.ReadBytes(16);
EncryptedIndex = reader.ReadByte() > 0; // need UE Viewer source reference
Magic = reader.ReadUInt32();
Version = reader.ReadInt32();
IndexOffset = reader.ReadInt64();
IndexSize = reader.ReadInt64();
IndexHash = reader.ReadBytes(20);
CompressionMethods = new string[4];
for (int i = 0; i < CompressionMethods.Length; i++)
{
CompressionMethods[i] = GetString(reader.ReadBytes(32));
}
}
static void CreateListing(string pak_file)
{
// path prepare
pak_file = Path.GetFullPath(pak_file);
Console.WriteLine(pak_file);
string dir = Path.GetDirectoryName(pak_file);
string listing_dir = Path.Combine(dir, ListingDirectoryName);
Directory.CreateDirectory(listing_dir);
string pak_file_listing = Path.Combine(listing_dir, Path.GetFileName(pak_file) + ".json");
string txt_file_listing = Path.Combine(listing_dir, Path.GetFileName(pak_file) + ".txt");
//
// read pak info
PakFile pak = PakFile.ReadFromFile(pak_file);
Console.WriteLine($"Mount point: {pak.Index.MountPoint}");
Console.WriteLine($"File count: {pak.Index.PakEntryCount}");
//
// do se
var json_se = new JsonSerializer();
json_se.Converters.Add(new PakFile_Listing_JsonConverter());
json_se.NullValueHandling = NullValueHandling.Include;
json_se.Formatting = Formatting.Indented;
//
using (var fs = File.Create(pak_file_listing))
using (var sw = new StreamWriter(fs, new UTF8Encoding(false, true)))
using (var jw = new JsonTextWriter(sw))
{
json_se.Serialize(jw, pak);
}
Console.WriteLine($"Written to: {pak_file_listing}");
//
using (var fs = File.Create(txt_file_listing))
using (var sw = new StreamWriter(fs, new UTF8Encoding(false, true)))
{
pak.Index.WriteTextListing(sw);
}
Console.WriteLine($"Written to: {txt_file_listing}");
Console.WriteLine();
}
