inflate for TPK

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
using System.Reflection;
using System.Security.Cryptography;  // HashAlgorithm
using Ionic.Zlib;

namespace DeflateTest
{
    class Program
    {
        static void Main(string[] args)
        {
            Byte[] compressed;

            BinaryReader reader = new BinaryReader(File.Open("D:\\TITLE_MENU.TPK", FileMode.Open));
            BinaryWriter write = new BinaryWriter(File.Open("D:\\testout.bin", FileMode.Create));

            UInt32 magicNumber = reader.ReadUInt32();
            UInt32 uncompressedSize = reader.ReadUInt32();
            UInt32 unknown = reader.ReadUInt32();

            compressed = reader.ReadBytes((int)(reader.BaseStream.Length - 0x0C));

            Byte[] output = new Byte[uncompressedSize];

            ZlibCodec compressor = new ZlibCodec();
            compressor.InitializeInflate(true);

            compressor.InputBuffer = compressed;
            compressor.AvailableBytesIn = compressed.Length;
            compressor.NextIn = 0;
            compressor.OutputBuffer = output;

            foreach (var f in new FlushType[] { FlushType.None, FlushType.Finish })
            {
                int bytesToWrite = 0;
                do
                {
                    compressor.AvailableBytesOut = (int)uncompressedSize;
                    compressor.NextOut = 0;
                    compressor.Inflate(f);

                    bytesToWrite = (int)(uncompressedSize - compressor.AvailableBytesOut);

                    if (bytesToWrite > 0)
                        write.Write(output, 0, bytesToWrite);

                }
                while ((f == FlushType.None && (compressor.AvailableBytesIn != 0 || compressor.AvailableBytesOut == 0)) ||
                       (f == FlushType.Finish && bytesToWrite != 0));
            }

            compressor.EndInflate();

        }
    }
}