/// <summary>
/// Loads the data for the given entry
/// </summary>
public byte[] LoadEntry(Entry entry)
{
lock (Reader)
{
Reader.BaseStream.Position = entry.Offset;
switch (entry.Flags[0] & 0x0F)
{
case 0:
return(Reader.ReadBytes((int)entry.CompressedSize));
case 1:
return(ZLIB.Decompress(Reader.ReadBytes((int)entry.CompressedSize), -15));
case 2:
return(ZStandard.Decompress(Reader.ReadBytes((int)entry.CompressedSize)));
default:
throw new Exception("Invalid Entry Compression");
}
}
}
/// <summary>
/// Loads entries from a binary file
/// </summary>
/// <param name="fileName">File to load from</param>
public void LoadBinary(string fileName)
{
try
{
using (var fileReader = new BinaryReader(File.OpenRead(fileName)))
{
var magic = fileReader.ReadUInt64();
var compression = fileReader.ReadUInt64();
var compressedSize = fileReader.ReadInt64();
var decompressedSize = fileReader.ReadInt64();
byte[] buffer = null;
switch (compression)
{
case 0: buffer = fileReader.ReadBytes((int)compressedSize); break;
case 1: buffer = ZLIB.Decompress(fileReader.ReadBytes((int)compressedSize)); break;
case 2: buffer = ZStandard.Decompress(fileReader.ReadBytes((int)compressedSize)); break;
case 3: buffer = LZ4.Decompress(fileReader.ReadBytes((int)compressedSize), (int)decompressedSize); break;
default: throw new Exception("Invalid cache compression");
}
using (var reader = new BinaryReader(new MemoryStream(buffer)))
{
var count = (int)reader.ReadUInt64();
switch (magic)
{
// 32Bit Cache
case 0x3130454843414354:
{
for (int i = 0; i < count; i++)
{
Entries[reader.ReadUInt32()] = reader.ReadNullTerminatedString();
}
break;
}
// 64Bit Cache
case 0x3230454843414354:
{
for (int i = 0; i < count; i++)
{
Entries[reader.ReadUInt64()] = reader.ReadNullTerminatedString();
}
break;
}
}
}
}
}
#if DEBUG
catch (Exception e)
{
Console.WriteLine("Failed to load {0}: {1}", fileName, e);
}
#else
catch { }
#endif
}
