private void ReadPre530Metadata(BundleReader reader, out Stream dataStream, out long metadataOffset)
{
switch (Header.Type)
{
case BundleType.UnityRaw:
{
Metadata.Read(reader);
dataStream = reader.BaseStream;
metadataOffset = Header.HeaderSize;
}
break;
case BundleType.UnityWeb:
{
// read only last chunk. wtf?
ChunkInfo chunkInfo = Header.ChunkInfos[Header.ChunkInfos.Count - 1];
MemoryStream stream = new MemoryStream(new byte[chunkInfo.DecompressedSize]);
SevenZipHelper.DecompressLZMASizeStream(reader.BaseStream, chunkInfo.CompressedSize, stream);
using (BundleReader decompressReader = new BundleReader(stream, reader.EndianType, reader.Type, reader.Generation))
{
Metadata.Read(decompressReader);
}
dataStream = stream;
metadataOffset = 0;
}
break;
default:
throw new NotSupportedException($"Bundle type {Header.Type} isn't supported for pre530 generation");
}
}
private void ReadScheme()
{
using (PartialStream stream = new PartialStream(m_stream, m_offset, m_size))
{
using (EndianReader reader = new EndianReader(stream, EndianType.BigEndian))
{
Header.Read(reader);
}
long headerSize = stream.Position;
using (BundleReader reader = new BundleReader(stream, EndianType.BigEndian, Header.Generation))
{
if (reader.Generation < BundleGeneration.BF_530_x)
{
using (SmartStream dataStream = ReadPre530Metadata(reader))
{
ReadPre530Blocks(dataStream);
}
}
else
{
using (SmartStream dataStream = Read530Metadata(reader, headerSize))
{
Read530Blocks(dataStream, headerSize);
}
}
}
}
}
private SmartStream ReadPre530Metadata(BundleReader reader)
{
switch (Header.Type)
{
case BundleType.UnityRaw:
{
Metadata.Read(reader);
return(m_stream.CreateReference());
}
case BundleType.UnityWeb:
{
// read only last chunk. wtf?
ChunkInfo chunkInfo = Header.ChunkInfos[Header.ChunkInfos.Count - 1];
using (SmartStream stream = SmartStream.CreateMemory(new byte[chunkInfo.DecompressedSize]))
{
SevenZipHelper.DecompressLZMASizeStream(reader.BaseStream, chunkInfo.CompressedSize, stream);
using (BundleReader decompressReader = new BundleReader(stream, reader.EndianType, reader.Generation))
{
Metadata.Read(decompressReader);
}
return(stream.CreateReference());
}
}
default:
throw new NotSupportedException($"Bundle type {Header.Type} isn't supported before 530 generation");
}
}
public void Read(BundleReader reader)
{
if (HasBlockInfo(reader.Type, reader.Generation))
{
Unknown0 = reader.ReadInt32();
Unknown1 = reader.ReadInt32();
Unknown2 = reader.ReadInt32();
Unknown3 = reader.ReadInt32();
BlockInfos = reader.ReadBundleArray <BlockInfo>();
}
Entries = reader.ReadBundleArray <BundleFileEntry>();
}
public void Read(BundleReader reader)
{
if (HasBlocksInfo(reader.Signature))
{
BlocksInfo.Read(reader);
if (reader.Flags.IsBlocksAndDirectoryInfoCombined())
{
DirectoryInfo.Read(reader);
}
}
else
{
DirectoryInfo.Read(reader);
reader.AlignStream();
}
}
private void ReadMetadata(Stream stream, int metadataSize)
{
long metadataPosition = stream.Position;
using (BundleReader reader = new BundleReader(stream, EndianType.BigEndian, Header.Signature, Header.Version, Header.Flags))
{
Metadata.Read(reader);
}
if (metadataSize > 0)
{
if (stream.Position - metadataPosition != metadataSize)
{
throw new Exception($"Read {stream.Position - metadataPosition} but expected {metadataSize}");
}
}
}
public void Read(BundleReader reader)
{
if (HasBlobIndex(reader.Generation))
{
Offset = reader.ReadInt64();
Size = reader.ReadInt64();
BlobIndex = reader.ReadInt32();
NameOrigin = reader.ReadStringZeroTerm();
}
else
{
NameOrigin = reader.ReadStringZeroTerm();
Offset = reader.ReadInt32();
Size = reader.ReadInt32();
}
Name = FilenameUtils.FixFileIdentifier(NameOrigin);
}
public void Read(BundleReader reader)
{
if (HasBlobIndex(reader.Signature))
{
Offset = reader.ReadInt64();
Size = reader.ReadInt64();
BlobIndex = reader.ReadInt32();
PathOrigin = reader.ReadStringZeroTerm();
}
else
{
PathOrigin = reader.ReadStringZeroTerm();
Offset = reader.ReadInt32();
Size = reader.ReadInt32();
}
Path = FilenameUtils.FixFileIdentifier(PathOrigin);
}
private void ReadScheme(Stream stream)
{
using (EndianReader reader = new EndianReader(stream, EndianType.BigEndian))
{
Header.Read(reader);
}
using (BundleReader reader = new BundleReader(stream, EndianType.BigEndian, Header.Generation))
{
if (reader.Generation < BundleGeneration.BF_530_x)
{
ReadPre530Metadata(reader, out Stream dataStream, out long metadataOffset);
ReadPre530Data(dataStream, metadataOffset);
}
else
{
long headerSize = stream.Position;
Read530Metadata(reader, headerSize);
Read530Data(stream, headerSize);
}
}
}
void OnGUI()
{
bundleName = GUI.TextField(new Rect(0, 0, 256, 32), bundleName);
assetName = GUI.TextField(new Rect(256, 0, 256, 32), assetName);
if (GUI.Button(new Rect(512, 0, 64, 32), "Load"))
{
BundleReader.GetInstance().AsyncLoad(bundleName, assetName, delegate(AssetRef ar)
{
if(ar!=null)
{
go = GameObject.Instantiate(ar.asset) as GameObject ;
this.ar = ar;
}
else
{
Debug.LogWarning("Load fail");
}
});
}
if (GUI.Button(new Rect(576, 0, 64, 32), "Delete"))
{
if(go != null)
{
GameObject.Destroy(go);
ar.Release();
go = null;
ar = null;
}
}
if (GUI.Button(new Rect(0, 64, 64, 32), "Print"))
{
BundleReader.GetInstance().PrintBundles();
}
}
public void Read(BundleReader reader)
{
DecompressedSize = reader.ReadUInt32();
CompressedSize = reader.ReadUInt32();
Flags = (BundleFlag)reader.ReadUInt16();
}
public void Read(BundleReader reader)
{
Nodes = reader.ReadBundleArray <Node>();
}
private void Read530Metadata(BundleReader reader, long headerSize)
{
if (Header.Flags.IsMetadataAtTheEnd())
{
reader.BaseStream.Position = Header.BundleSize - Header.MetadataCompressedSize;
}
BundleCompressType metaCompression = Header.Flags.GetCompression();
switch (metaCompression)
{
case BundleCompressType.None:
{
Metadata.Read(reader);
long expectedPosition = Header.Flags.IsMetadataAtTheEnd() ? Header.BundleSize : headerSize + Header.MetadataDecompressedSize;
if (reader.BaseStream.Position != expectedPosition)
{
throw new Exception($"Read {reader.BaseStream.Position - headerSize} but expected {Header.MetadataDecompressedSize}");
}
}
break;
case BundleCompressType.LZMA:
{
using (MemoryStream stream = new MemoryStream(new byte[Header.MetadataDecompressedSize]))
{
SevenZipHelper.DecompressLZMASizeStream(reader.BaseStream, Header.MetadataCompressedSize, stream);
using (BundleReader decompressReader = new BundleReader(stream, reader.EndianType, reader.Type, reader.Generation))
{
Metadata.Read(decompressReader);
}
if (stream.Position != Header.MetadataDecompressedSize)
{
throw new Exception($"Read {stream.Position} but expected {Header.MetadataDecompressedSize}");
}
}
}
break;
case BundleCompressType.LZ4:
case BundleCompressType.LZ4HZ:
{
using (MemoryStream stream = new MemoryStream(new byte[Header.MetadataDecompressedSize]))
{
using (Lz4DecodeStream decodeStream = new Lz4DecodeStream(reader.BaseStream, Header.MetadataCompressedSize))
{
decodeStream.ReadBuffer(stream, Header.MetadataDecompressedSize);
}
stream.Position = 0;
using (BundleReader decompressReader = new BundleReader(stream, reader.EndianType, reader.Type, reader.Generation))
{
Metadata.Read(decompressReader);
}
if (stream.Position != Header.MetadataDecompressedSize)
{
throw new Exception($"Read {stream.Position} but expected {Header.MetadataDecompressedSize}");
}
}
}
break;
default:
throw new NotSupportedException($"Bundle compression '{metaCompression}' isn't supported");
}
}
public void Read(BundleReader reader)
{
Read((EndianReader)reader);
}
public void Read(BundleReader reader)
{
UncompressedSize = reader.ReadUInt32();
CompressedSize = reader.ReadUInt32();
Flags = (StorageBlockFlags)reader.ReadUInt16();
}
public void Awake()
{
instance = this;
InitDepMap();
}
