static public bool DetectBemani2DXArchive(byte[] data)
{
if (data.Length < 0x4C)
return false;
using (MemoryStream mem = new MemoryStream(data))
{
BinaryReaderEx reader = new BinaryReaderEx(mem);
mem.Position = 0x48;
int offset = reader.ReadInt32();
if ((offset < 0) || ((offset + 4) > data.Length))
return false;
mem.Position = offset;
if (new string(reader.ReadChars(4)) != "2DX9")
return false;
return true;
}
}
