public BundleFile(string fileName)
{
if (Path.GetExtension(fileName) == ".lz4")
{
byte[] filebuffer;
using (BinaryReader lz4Stream = new BinaryReader(File.OpenRead(fileName)))
{
int version = lz4Stream.ReadInt32();
int uncompressedSize = lz4Stream.ReadInt32();
int compressedSize = lz4Stream.ReadInt32();
int something = lz4Stream.ReadInt32(); //1
byte[] lz4buffer = new byte[compressedSize];
lz4Stream.Read(lz4buffer, 0, compressedSize);
using (var inputStream = new MemoryStream(lz4buffer))
{
var decoder = new Lz4DecoderStream(inputStream);
filebuffer = new byte[uncompressedSize]; //is this ok?
for (;;)
{
int nRead = decoder.Read(filebuffer, 0, uncompressedSize);
if (nRead == 0)
break;
}
}
}
using (var b_Stream = new EndianStream(new MemoryStream(filebuffer), EndianType.BigEndian))
{
readBundle(b_Stream);
}
}
else
{
using (var b_Stream = new EndianStream(File.OpenRead(fileName), EndianType.BigEndian))
{
readBundle(b_Stream);
}
}
}
public BundleFile(string fileName)
{
if (Path.GetExtension(fileName) == ".lz4")
{
byte[] filebuffer;
using (BinaryReader lz4Stream = new BinaryReader(File.OpenRead(fileName)))
{
int version = lz4Stream.ReadInt32();
int uncompressedSize = lz4Stream.ReadInt32();
int compressedSize = lz4Stream.ReadInt32();
int something = lz4Stream.ReadInt32(); //1
byte[] lz4buffer = new byte[compressedSize];
lz4Stream.Read(lz4buffer, 0, compressedSize);
using (var inputStream = new MemoryStream(lz4buffer))
{
var decoder = new Lz4DecoderStream(inputStream);
filebuffer = new byte[uncompressedSize]; //is this ok?
for (;;)
{
int nRead = decoder.Read(filebuffer, 0, uncompressedSize);
if (nRead == 0)
break;
}
}
}
Stream = new EndianStream(new MemoryStream(filebuffer), EndianType.BigEndian);
}
else { Stream = new EndianStream(File.OpenRead(fileName), EndianType.BigEndian); }
long magicHeader = Stream.ReadInt64();
if (magicHeader == -361700864190383366 || magicHeader == 6155973689634940258 || magicHeader == 6155973689634611575)
{
int dummy = Stream.ReadInt32();
ver1 = Stream.ReadByte();
ver2 = Stream.ReadStringToNull();
ver3 = Stream.ReadStringToNull();
int lzmaSize = 0;
int fileSize = Stream.ReadInt32();
short dummy2 = Stream.ReadInt16();
int offset = Stream.ReadInt16();
int dummy3 = Stream.ReadInt32();
int lzmaChunks = Stream.ReadInt32();
for (int i = 0; i < lzmaChunks; i++)
{
lzmaSize = Stream.ReadInt32();
fileSize = Stream.ReadInt32();
}
Stream.Position = offset;
switch (magicHeader)
{
case -361700864190383366: //.bytes
case 6155973689634940258: //UnityWeb
{
byte[] lzmaBuffer = new byte[lzmaSize];
Stream.Read(lzmaBuffer, 0, lzmaSize);
Stream.Close();
Stream.Dispose();
Stream = new EndianStream(SevenZip.Compression.LZMA.SevenZipHelper.StreamDecompress(new MemoryStream(lzmaBuffer)), EndianType.BigEndian);
offset = 0;
break;
}
case 6155973689634611575: //UnityRaw
{
break;
}
}
int fileCount = Stream.ReadInt32();
for (int i = 0; i < fileCount; i++)
{
MemoryAssetsFile memFile = new MemoryAssetsFile();
memFile.fileName = Stream.ReadStringToNull();
int fileOffset = Stream.ReadInt32();
fileOffset += offset;
fileSize = Stream.ReadInt32();
long nextFile = Stream.Position;
Stream.Position = fileOffset;
byte[] buffer = new byte[fileSize];
Stream.Read(buffer, 0, fileSize);
memFile.memStream = new MemoryStream(buffer);
MemoryAssetsFileList.Add(memFile);
Stream.Position = nextFile;
}
}
Stream.Close();
}
