public void Unpack()
{
PacHeader header = _input.EnsureRead <PacHeader>();
header.Check();
PacEntry[] entries = _input.EnsureRead <PacEntry>(header.FileCount);
Int64 dataPosition = _input.Position;
for (Int32 index = 0; index < entries.Length; index++)
{
ref var entry = ref entries[index];
Boolean isCompressed = PacDecompressor.IsCompressed(entry.CompressionType);
_input.SetPosition(dataPosition + entry.Offset);
Span <Byte> data = _reader.Read(_input, entry.CompressedSize, entry.UncompressedSize, isCompressed);
String outputPath = _pathBuilder.GetOutputPath(entry.RelativePath, entry.FileId);
FileSystem.CreateFileDirectory(outputPath);
using (var output = File.Create(outputPath))
output.Write(data);
}
public static void Decompress(Stream input, Stream output, DataReader reader)
{
var decompressor = new PacDecompressor(input, output, reader);
decompressor.Decompress();
}