public static bool ReadPackable(this MemoryStream pMemoryStream, IPackable pValue)
{
MemoryStream stream = null;
if (!pMemoryStream.ReadPrefixed(out stream)) return false;
if (!pValue.Read(stream)) return false;
return true;
}
public static bool ReadPackable(this MemoryStream pMemoryStream, IPackable pValue)
{
MemoryStream stream = null;
if (!pMemoryStream.ReadPrefixed(out stream))
{
return(false);
}
if (!pValue.Read(stream))
{
return(false);
}
return(true);
}
public static IPackable Decode(byte[] data)
{
if (data.Length < 5 || data.Length > 40)
{
throw new ArgumentOutOfRangeException("data");
}
var seed = BitConverter.ToUInt32(data, 1).Swap();
var unobfuscatedBytes = (byte[])data.Clone();
BogoDecrypt(seed, unobfuscatedBytes, 5, unobfuscatedBytes.Length - 5);
var fileCheck = BitConverter.ToUInt16(unobfuscatedBytes, 5).Swap();
unobfuscatedBytes[5] = 0xFF;
unobfuscatedBytes[6] = 0xFF;
if (unobfuscatedBytes.Length < 40)
{
var start = unobfuscatedBytes.Length;
Array.Resize(ref unobfuscatedBytes, 40);
for (int i = start; i < unobfuscatedBytes.Length; i++)
{
unobfuscatedBytes[i] = 0xFF;
}
}
var hash = CRC32.Hash(unobfuscatedBytes, 0, unobfuscatedBytes.Length);
var computedCheck = (ushort)(((hash & 0xFFFF0000) >> 16) ^ ((hash & 0x0000FFFF) >> 0));
if (fileCheck != computedCheck)
{
throw new FormatException();
}
var reader = new BitReader(unobfuscatedBytes);
var version = reader.ReadInt32(7);
if (version != InfoManager.AssetLibraryManager.Version)
{
throw new FormatException();
}
var isWeapon = reader.ReadBoolean();
int uniqueId = 0;
if (version >= 3)
{
uniqueId = reader.ReadInt32(32);
}
ushort check = reader.ReadUInt16(16);
if (check != 0xFFFF)
{
throw new FormatException();
}
int setId = 0;
if (version >= 2)
{
setId = reader.ReadInt32(8);
}
var set = InfoManager.AssetLibraryManager.GetSet(setId);
if (set == null)
{
throw new FormatException();
}
if (setId != 0)
{
}
IPackable packable = isWeapon == true
? (IPackable) new TWeapon()
: new TItem();
packable.UniqueId = uniqueId;
packable.AssetLibrarySetId = setId;
packable.Read(reader);
return(packable);
}
