I have nothing to gatekeep, i have nothing special...

AssetStudio.GUI/MainForm.cs

@@ -85,7 +85,7 @@ namespace AssetStudio.GUI
         {
             Thread.CurrentThread.CurrentCulture = new CultureInfo("en-US");
             InitializeComponent();
-            Text = $"Studio v{Application.ProductVersion}";
+            Text = $"YarikStudio v{Application.ProductVersion}";
             InitializeExportOptions();
             InitializeProgressBar();
             InitializeLogger();
@@ -308,7 +308,7 @@ namespace AssetStudio.GUI
                 }
             }
 
-            Text = $"Studio v{Application.ProductVersion} - {productName} - {assetsManager.assetsFileList[0].unityVersion} - {assetsManager.assetsFileList[0].m_TargetPlatform}";
+            Text = $"YarikStudio v{Application.ProductVersion} - {productName} - {assetsManager.assetsFileList[0].unityVersion} - {assetsManager.assetsFileList[0].m_TargetPlatform}";
 
             assetListView.VirtualListSize = visibleAssets.Count;
 
@@ -1484,7 +1484,7 @@ namespace AssetStudio.GUI
 
         public void ResetForm()
         {
-            Text = $"Studio v{Application.ProductVersion}";
+            Text = $"YarikStudio v{Application.ProductVersion}";
             assetsManager.Clear();
             assemblyLoader.Clear();
             exportableAssets.Clear();

AssetStudio.GUI/Studio.cs

@@ -73,11 +73,31 @@ namespace AssetStudio.GUI
                 extractedCount += ExtractBlkFile(reader, savePath);
             else if (reader.FileType == FileType.BlockFile)
                 extractedCount += ExtractBlockFile(reader, savePath);
+            else if (reader.FileType == FileType.Blb3File)
+                extractedCount += ExtractBlb3File(reader, savePath);
             else
                 reader.Dispose();
             return extractedCount;
         }
-
+        private static int ExtractBlb3File(FileReader reader, string savePath)
+        {
+            StatusStripUpdate($"Decompressing {reader.FileName} ...");
+            try
+            {
+                var bundleFile = new Blb3File(reader, reader.FullPath);
+                reader.Dispose();
+                if (bundleFile.fileList.Count > 0)
+                {
+                    var extractPath = Path.Combine(savePath, reader.FileName + "_unpacked");
+                    return ExtractStreamFile(extractPath, bundleFile.fileList);
+                }
+            }
+            catch (InvalidCastException)
+            {
+                Logger.Error($"Game type mismatch, Expected {nameof(Mr0k)} but got {Game.Name} ({Game.GetType().Name}) !!");
+            }
+            return 0;
+        }
         private static int ExtractBundleFile(FileReader reader, string savePath)
         {
             StatusStripUpdate($"Decompressing {reader.FileName} ...");

AssetStudio/AssetStudio.csproj

@@ -19,6 +19,12 @@
   	<None Update="Keys.json">
   		<CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
   	</None>
+  	<None Update="oo2core_9_win64.dll">
+  	  <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+  	</None>
+  	<None Update="UnityPlayer.dll">
+  	  <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+  	</None>
   </ItemGroup>
 	
 </Project>

AssetStudio/AssetsManager.cs

@@ -429,8 +429,8 @@ namespace AssetStudio
                         case FileType.BundleFile:
                             LoadBundleFile(subReader, reader.FullPath, offset, false);
                             break;
-                        case FileType.BlbFile:
+                        case FileType.Blb3File:
-                            LoadBlbFile(subReader, reader.FullPath, offset, false);
+                            LoadBlb3File(subReader, reader.FullPath, offset, false);
                             break;
                         case FileType.MhyFile:
                             LoadMhyFile(subReader, reader.FullPath, offset, false);
@@ -528,7 +528,7 @@ namespace AssetStudio
             }
         }
         
-        private void LoadBlbFile(FileReader reader, string originalPath = null, long originalOffset = 0, bool log = true)
+        private void LoadBlb3File(FileReader reader, string originalPath = null, long originalOffset = 0, bool log = true)
         {
             if (log)
             {
@@ -536,7 +536,7 @@ namespace AssetStudio
             }
             try
             {
-                var blbFile = new BlbFile(reader, reader.FullPath);
+                var blbFile = new Blb3File(reader, reader.FullPath);
                 foreach (var file in blbFile.fileList)
                 {
                     var dummyPath = Path.Combine(Path.GetDirectoryName(reader.FullPath), file.fileName);

AssetStudio/BlbFile.cs

@@ -3,28 +3,70 @@ using System.Buffers;
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
+using System.Runtime.InteropServices;
+using System.Text;
 
 namespace AssetStudio
 {
-    public class BlbFile
+    public class Blb3File
     {
         private List<BundleFile.StorageBlock> m_BlocksInfo;
         private List<BundleFile.Node> m_DirectoryInfo;
+        private byte[] Header;
+
+        private static string ModuleName = "UnityPlayer.dll";
+        private static IntPtr Module = IntPtr.Zero;
 
         public BundleFile.Header m_Header;
         public List<StreamFile> fileList;
         public long Offset;
 
 
-        public BlbFile(FileReader reader, string path)
+        [DllImport("kernel32.dll")]
+        static extern bool VirtualProtect(IntPtr lpAddress, uint dwSize, uint flNewProtect, out uint lpflOldProtect);
+
+        [DllImport("kernel32.dll")]
+        static extern IntPtr LoadLibrary(string lpFileName);
+
+        [DllImport("kernel32.dll")]
+        static extern IntPtr GetModuleHandle(string lpModuleName);
+
+        public delegate int DecryptBlb(ref byte buffer, ulong size, ref byte header, ulong headerSize, uint idk);
+
+        public static void Decrypt(byte[] header, Span<byte> buffer)
+        {
+            if (Module == IntPtr.Zero)
+            {
+                Module = LoadLibrary(ModuleName);
+
+                byte[] key1 = new byte[256] { 0x63, 0x7d, 0x75, 0x78, 0xf6, 0x6e, 0x69, 0xc2, 0x38, 0x08, 0x6d, 0x20, 0xf2, 0xda, 0xa5, 0x79, 0xda, 0x93, 0xdb, 0x6e, 0xee, 0x4c, 0x51, 0xe7, 0xb5, 0xcd, 0xb8, 0xb4, 0x80, 0xb9, 0x6c, 0xdf, 0x97, 0xdc, 0xb1, 0x05, 0x12, 0x1a, 0xd1, 0xeb, 0x1c, 0x8c, 0xcf, 0xda, 0x5d, 0xf5, 0x1f, 0x3a, 0x34, 0xf6, 0x11, 0xf0, 0x2c, 0xa3, 0x33, 0xad, 0x3f, 0x2b, 0xba, 0xd9, 0xd7, 0x1a, 0x8c, 0x4a, 0x49, 0xc2, 0x6e, 0x59, 0x5f, 0x2b, 0x1c, 0xe7, 0x1a, 0x72, 0x9c, 0xf8, 0x65, 0xae, 0x61, 0xcb, 0x03, 0x80, 0x52, 0xbe, 0x74, 0xa9, 0xe7, 0x0c, 0x32, 0x92, 0xe4, 0x62, 0x16, 0x11, 0x06, 0x90, 0xb0, 0x8e, 0xc8, 0x98, 0x27, 0x28, 0x55, 0xe2, 0x2d, 0x90, 0x68, 0x14, 0x3c, 0x51, 0xf1, 0xc7, 0x21, 0xd2, 0x32, 0xfc, 0xe6, 0xe8, 0x4e, 0x82, 0xc4, 0xcf, 0xa0, 0x5a, 0x6c, 0x82, 0x8d, 0xad, 0x4d, 0x8d, 0x91, 0x6f, 0xdb, 0x12, 0xc2, 0x90, 0x4c, 0x2e, 0xf4, 0xb6, 0xe8, 0xd0, 0x97, 0xfc, 0xf0, 0x10, 0xdd, 0x4f, 0xb6, 0xbf, 0x06, 0x1f, 0xde, 0x77, 0x22, 0x8f, 0x42, 0xc3, 0x95, 0x44, 0x40, 0x93, 0x98, 0xa9, 0xed, 0xa3, 0x82, 0xfb, 0x6a, 0x7a, 0x06, 0xc9, 0x3d, 0x38, 0x4a, 0xd6, 0x57, 0x79, 0x85, 0xde, 0x39, 0x60, 0xf8, 0x1e, 0xd4, 0xef, 0x4e, 0x51, 0xd9, 0xc7, 0x10, 0xb7, 0x7a, 0xb9, 0xe7, 0xed, 0xd8, 0x63, 0x72, 0x01, 0x20, 0x14, 0xbe, 0xd4, 0x87, 0x70, 0x45, 0x45, 0xa0, 0xef, 0x67, 0xb5, 0x9c, 0xd6, 0x20, 0xd9, 0xb9, 0xec, 0x8d, 0x62, 0x5a, 0x1c, 0xc3, 0x41, 0x01, 0x19, 0x7a, 0xf2, 0x8d, 0x3c, 0x68, 0x73, 0x73, 0xf7, 0x6d, 0x02, 0x22, 0xb8, 0xc6, 0x30, 0x7c, 0x50, 0x7b, 0xfe, 0x4b, 0x13, 0xb4, 0x9f, 0xb9, 0x60, 0xd7, 0xf4, 0x4c, 0xa9, 0x45, 0xe9 };
+                byte[] key2 = new byte[256] { 0x29, 0x23, 0xbe, 0x84, 0xe1, 0x6c, 0xd6, 0xae, 0x52, 0x90, 0x49, 0xf1, 0xf1, 0xbb, 0xe9, 0xeb, 0xb3, 0xa6, 0xdb, 0x3c, 0x87, 0x0c, 0x3e, 0x99, 0x24, 0x5e, 0x0d, 0x1c, 0x06, 0xb7, 0x47, 0xde, 0xb3, 0x12, 0x4d, 0xc8, 0x43, 0xbb, 0x8b, 0xa6, 0x1f, 0x03, 0x5a, 0x7d, 0x09, 0x38, 0x25, 0x1f, 0x5d, 0xd4, 0xcb, 0xfc, 0x96, 0xf5, 0x45, 0x3b, 0x13, 0x0d, 0x89, 0x0a, 0x1c, 0xdb, 0xae, 0x32, 0x20, 0x9a, 0x50, 0xee, 0x40, 0x78, 0x36, 0xfd, 0x12, 0x49, 0x32, 0xf6, 0x9e, 0x7d, 0x49, 0xdc, 0xad, 0x4f, 0x14, 0xf2, 0x44, 0x40, 0x66, 0xd0, 0x6b, 0xc4, 0x30, 0xb7, 0x32, 0x3b, 0xa1, 0x22, 0xf6, 0x22, 0x91, 0x9d, 0xe1, 0x8b, 0x1f, 0xda, 0xb0, 0xca, 0x99, 0x02, 0xb9, 0x72, 0x9d, 0x49, 0x2c, 0x80, 0x7e, 0xc5, 0x99, 0xd5, 0xe9, 0x80, 0xb2, 0xea, 0xc9, 0xcc, 0x53, 0xbf, 0x67, 0xd6, 0xbf, 0x14, 0xd6, 0x7e, 0x2d, 0xdc, 0x8e, 0x66, 0x83, 0xef, 0x57, 0x49, 0x61, 0xff, 0x69, 0x8f, 0x61, 0xcd, 0xd1, 0x1e, 0x9d, 0x9c, 0x16, 0x72, 0x72, 0xe6, 0x1d, 0xf0, 0x84, 0x4f, 0x4a, 0x77, 0x02, 0xd7, 0xe8, 0x39, 0x2c, 0x53, 0xcb, 0xc9, 0x12, 0x1e, 0x33, 0x74, 0x9e, 0x0c, 0xf4, 0xd5, 0xd4, 0x9f, 0xd4, 0xa4, 0x59, 0x7e, 0x35, 0xcf, 0x32, 0x22, 0xf4, 0xcc, 0xcf, 0xd3, 0x90, 0x2d, 0x48, 0xd3, 0x8f, 0x75, 0xe6, 0xd9, 0x1d, 0x2a, 0xe5, 0xc0, 0xf7, 0x2b, 0x78, 0x81, 0x87, 0x44, 0x0e, 0x5f, 0x50, 0x00, 0xd4, 0x61, 0x8d, 0xbe, 0x7b, 0x05, 0x15, 0x07, 0x3b, 0x33, 0x82, 0x1f, 0x18, 0x70, 0x92, 0xda, 0x64, 0x54, 0xce, 0xb1, 0x85, 0x3e, 0x69, 0x15, 0xf8, 0x46, 0x6a, 0x04, 0x96, 0x73, 0x0e, 0xd9, 0x16, 0x2f, 0x67, 0x68, 0xd4, 0xf7, 0x4a, 0x4a, 0xd0, 0x57, 0x68, 0x76 };
+
+                IntPtr key1Ptr = GetModuleHandle(ModuleName) + 0x1FF7090;
+                IntPtr key2Ptr = GetModuleHandle(ModuleName) + 0x1FF6F90;
+
+                OverrideBytes(key1Ptr, key1, 256);
+                OverrideBytes(key2Ptr, key2, 256);
+            }
+            IntPtr function_raw = Module + 0xFC730;
+            DecryptBlb decrypt = (DecryptBlb)Marshal.GetDelegateForFunctionPointer(function_raw, typeof(DecryptBlb));
+
+            ulong header_size = (ulong)header.Length;
+            ulong buffer_size = (ulong)buffer.Length;
+
+
+            decrypt(ref buffer[0], buffer_size > 128 ? 128 : buffer_size, ref header[0], header_size, 0);
+        }
+
+        public Blb3File(FileReader reader, string path)
         {
             Offset = reader.Position;
             reader.Endian = EndianType.LittleEndian;
 
             var signature = reader.ReadStringToNull(4);
             Logger.Verbose($"Parsed signature {signature}");
-            if (signature != "Blb\x02")
+            if (signature != "Blb\x03")
-                throw new Exception("not a Blb file");
+                throw new Exception("not a Blb3 file");
 
             var size = reader.ReadUInt32();
             m_Header = new BundleFile.Header
@@ -38,13 +80,25 @@ namespace AssetStudio
             m_Header.uncompressedBlocksInfoSize = size;
 
             Logger.Verbose($"Header: {m_Header}");
+            reader.ReadUInt32();
+            Header = reader.ReadBytes(16);
 
             var header = reader.ReadBytes((int)m_Header.compressedBlocksInfoSize);
+
+            Decrypt(Header, header);
+
             ReadBlocksInfoAndDirectory(header);
             using var blocksStream = CreateBlocksStream(path);
             ReadBlocks(reader, blocksStream);
             ReadFiles(blocksStream, path);
         }
+        private static void OverrideBytes(IntPtr address, byte[] bytes, int length)
+        {
+            uint oldprotect;
+            VirtualProtect(address, (uint)length, 0x40, out oldprotect);
+            Marshal.Copy(bytes, 0, address, length);
+            VirtualProtect(address, (uint)length, oldprotect, out oldprotect);
+        }
 
         private void ReadBlocksInfoAndDirectory(byte[] header)
         {
@@ -82,6 +136,10 @@ namespace AssetStudio
 
                 Logger.Verbose($"Block {i} Info: {m_BlocksInfo[i]}");
             }
+            for (int i = m_BlocksInfo.Count - 1; i > 0; i--)
+            {
+                m_BlocksInfo[i].compressedSize = m_BlocksInfo[i].compressedSize - m_BlocksInfo[i - 1].compressedSize;
+            }
 
             reader.Position = nodesInfoOffset;
             m_DirectoryInfo = new List<BundleFile.Node>();
@@ -140,6 +198,40 @@ namespace AssetStudio
                             reader.BaseStream.CopyTo(blocksStream, blockInfo.compressedSize);
                             break;
                         }
+                    case CompressionType.Oodle: //Oodle
+                        {
+                            {
+                                var compressedSize = (int)blockInfo.compressedSize;
+                                var uncompressedSize = (int)blockInfo.uncompressedSize;
+
+                                var compressedBytes = ArrayPool<byte>.Shared.Rent(compressedSize);
+                                var uncompressedBytes = ArrayPool<byte>.Shared.Rent(uncompressedSize);
+
+                                var compressedBytesSpan = compressedBytes.AsSpan(0, compressedSize);
+                                var uncompressedBytesSpan = uncompressedBytes.AsSpan(0, uncompressedSize);
+
+                                try
+                                {
+
+                                    reader.Read(compressedBytesSpan);
+
+                                    Decrypt(Header, compressedBytesSpan);
+
+                                    var numWrite = OodleHelper.Decompress(compressedBytesSpan, uncompressedBytesSpan);
+                                    if (numWrite != uncompressedSize)
+                                    {
+                                        Logger.Warning($"Oodle decompression error, write {numWrite} bytes but expected {uncompressedSize} bytes");
+                                    }
+                                }
+                                finally
+                                {
+                                    blocksStream.Write(uncompressedBytesSpan);
+                                    ArrayPool<byte>.Shared.Return(compressedBytes, true);
+                                    ArrayPool<byte>.Shared.Return(uncompressedBytes, true);
+                                }
+                                break;
+                            }
+                        }
                     case CompressionType.Lzma: //LZMA
                         {
                             SevenZipHelper.StreamDecompress(reader.BaseStream, blocksStream, blockInfo.compressedSize, blockInfo.uncompressedSize);
@@ -154,21 +246,27 @@ namespace AssetStudio
                             var compressedBytes = ArrayPool<byte>.Shared.Rent(compressedSize);
                             var uncompressedBytes = ArrayPool<byte>.Shared.Rent(uncompressedSize);
 
+                            var compressedBytesSpan = compressedBytes.AsSpan(0, compressedSize);
+                            var uncompressedBytesSpan = uncompressedBytes.AsSpan(0, uncompressedSize);
+
                             try
                             {
-                                var compressedBytesSpan = compressedBytes.AsSpan(0, compressedSize);
-                                var uncompressedBytesSpan = uncompressedBytes.AsSpan(0, uncompressedSize);
 
                                 reader.Read(compressedBytesSpan);
+                                Decrypt(Header, compressedBytesSpan);
                                 var numWrite = LZ4.Instance.Decompress(compressedBytesSpan, uncompressedBytesSpan);
                                 if (numWrite != uncompressedSize)
                                 {
-                                    throw new IOException($"Lz4 decompression error, write {numWrite} bytes but expected {uncompressedSize} bytes");
+                                    Logger.Warning($"Lz4 decompression error, write {numWrite} bytes but expected {uncompressedSize} bytes");
                                 }
-                                blocksStream.Write(uncompressedBytesSpan);
+                            }
+                            catch (Exception e)
+                            {
+                                Logger.Error($"Lz4 decompression error {e.Message}");
                             }
                             finally
                             {
+                                blocksStream.Write(uncompressedBytesSpan);
                                 ArrayPool<byte>.Shared.Return(compressedBytes, true);
                                 ArrayPool<byte>.Shared.Return(uncompressedBytes, true);
                             }

AssetStudio/BundleFile.cs

@@ -40,6 +40,7 @@ namespace AssetStudio
         Zstd = 5,
         Lz4Lit4 = 4,
         Lz4Lit5 = 5,
+        Oodle = 9,
     }
 
     public class BundleFile

AssetStudio/FileReader.cs

@@ -16,7 +16,8 @@ namespace AssetStudio
         private static readonly byte[] zipMagic = { 0x50, 0x4B, 0x03, 0x04 };
         private static readonly byte[] zipSpannedMagic = { 0x50, 0x4B, 0x07, 0x08 };
         private static readonly byte[] mhy0Magic = { 0x6D, 0x68, 0x79, 0x30 };
-        private static readonly byte[] blbMagic = { 0x42, 0x6C, 0x62, 0x02 };
+        private static readonly byte[] blb2Magic = { 0x42, 0x6C, 0x62, 0x02 };
+        private static readonly byte[] blb3Magic = { 0x42, 0x6C, 0x62, 0x03 };
         private static readonly byte[] narakaMagic = { 0x15, 0x1E, 0x1C, 0x0D, 0x0D, 0x23, 0x21 };
         private static readonly byte[] gunfireMagic = { 0x7C, 0x6D, 0x79, 0x72, 0x27, 0x7A, 0x73, 0x78, 0x3F };
 
@@ -86,11 +87,16 @@ namespace AssetStudio
                             return FileType.MhyFile;
                         }
                         Logger.Verbose($"Parsed signature does not match with expected signature {Convert.ToHexString(mhy0Magic)}");
-                        if (blbMagic.SequenceEqual(magic))
+                        if (blb2Magic.SequenceEqual(magic))
                         {
-                            return FileType.BlbFile;
+                            return FileType.Blb2File;
                         }
-                        Logger.Verbose($"Parsed signature does not match with expected signature {Convert.ToHexString(mhy0Magic)}");
+                        Logger.Verbose($"Parsed signature does not match with expected signature {Convert.ToHexString(blb2Magic)}");
+                        if (blb3Magic.SequenceEqual(magic))
+                        {
+                            return FileType.Blb3File;
+                        }
+                        Logger.Verbose($"Parsed signature does not match with expected signature {Convert.ToHexString(blb3Magic)}");
                         magic = ReadBytes(7);
                         Position = 0;
                         Logger.Verbose($"Parsed signature is {Convert.ToHexString(magic)}");
@@ -229,7 +235,7 @@ namespace AssetStudio
                         break;
                 }
             }
-            if (reader.FileType == FileType.BundleFile && game.Type.IsBlockFile() || reader.FileType == FileType.ENCRFile || reader.FileType == FileType.BlbFile)
+            if (reader.FileType == FileType.BundleFile && game.Type.IsBlockFile() || reader.FileType == FileType.ENCRFile || reader.FileType == FileType.Blb2File || reader.FileType == FileType.Blb3File)
             {
                 Logger.Verbose("File might have multiple bundles !!");
                 try

AssetStudio/FileType.cs

@@ -17,7 +17,8 @@ namespace AssetStudio
         ZipFile,
         BlkFile,
         MhyFile,
-        BlbFile,
+        Blb2File,
+        Blb3File,
         ENCRFile,
         BlockFile
     }

AssetStudio/OffsetStream.cs

@@ -8,7 +8,6 @@ namespace AssetStudio
 {
     public class OffsetStream : Stream
     {
-        private const int BufferSize = 0x10000;
 
         private readonly Stream _baseStream;
         private long _offset;
@@ -81,15 +80,35 @@ namespace AssetStudio
             }
             else
             {
+                using var reader = new FileReader(path, this, true);
+                var signature = reader.FileType switch
+                {
+                    FileType.BundleFile => "UnityFS\x00",
+                    FileType.MhyFile => "mhy",
+                    FileType.Blb3File => "Blb\x03",
+                    _ => throw new InvalidOperationException()
+                };
+
+                Logger.Verbose($"Parsed signature: {signature}");
+
+                var signatureBytes = Encoding.UTF8.GetBytes(signature);
+                var buffer = ArrayPool<byte>.Shared.Rent((int)reader.Length);
                 while (Remaining > 0)
                 {
-                    Offset = AbsolutePosition;
+                    var index = 0;
-                    yield return AbsolutePosition;
+                    var absOffset = AbsolutePosition;
-                    if (Offset == AbsolutePosition)
+                    var read = Read(buffer);
+                    while (index < read)
                     {
-                        break;
+                        index = buffer.AsSpan(0, read).Search(signatureBytes, index);
+                        if (index == -1) break;
+                        var offset = absOffset + index;
+                        Offset = offset;
+                        yield return offset;
+                        index++;
                     }
                 }
+                ArrayPool<byte>.Shared.Return(buffer);
             }
         }
     }

AssetStudio/OodleHelper.cs

@@ -0,0 +1,25 @@
+using System;
+using System.IO;
+using System.Runtime.InteropServices;
+
+namespace AssetStudio;
+public static class OodleHelper
+{
+    [DllImport(@"oo2core_9_win64.dll")]
+    static extern int OodleLZ_Decompress(ref byte compressedBuffer, int compressedBufferSize, ref byte decompressedBuffer, int decompressedBufferSize, int fuzzSafe, int checkCRC, int verbosity, IntPtr rawBuffer, int rawBufferSize, IntPtr fpCallback, IntPtr callbackUserData, IntPtr decoderMemory, IntPtr decoderMemorySize, int threadPhase);
+
+    public static int Decompress(Span<byte> compressed, Span<byte> decompressed)
+    {
+        int numWrite = -1;
+        try
+        {
+            numWrite = OodleLZ_Decompress(ref compressed[0], compressed.Length, ref decompressed[0], decompressed.Length, 1, 0, 0, 0, 0, 0, 0, 0, 0, 3);
+        }
+        catch (Exception)
+        {
+            throw new IOException($"Oodle decompression error, write {numWrite} bytes but expected {decompressed.Length} bytes");
+        }
+
+        return numWrite;
+    }
+}