public XeXHeader(MemoryStream file)
{
MyBinaryReader reader;
try
{
reader = new MyBinaryReader(file, EndianType.BigEndian);
reader.BaseStream.Seek(0L, SeekOrigin.Begin);
if (Encoding.ASCII.GetString(reader.ReadBytes(4)) == "XEX2")
{
reader.BaseStream.Seek(20L, SeekOrigin.Begin);
uint headerCount = reader.ReadUInt32();
byte[] infoArray = new byte[] { 0, 4, 0, 6 };
for (int i = 0; i < headerCount; i++)
{
byte[] headerIdArray = reader.ReadBytes(4);
uint headerId = BitConverter.ToUInt32(headerIdArray, 0);
if (headerId == BitConverter.ToUInt32(infoArray, 0))
{
uint dataAddress = reader.ReadUInt32();
reader.BaseStream.Seek((long)dataAddress, SeekOrigin.Begin);
this.mediaId = reader.ReadBytes(4);
this.version = reader.ReadUInt32();
this.baseVersion = reader.ReadUInt32();
this.titleId = reader.ReadBytes(4);
this.platform = reader.ReadByte();
this.executableType = reader.ReadByte();
this.discNumber = reader.ReadByte();
this.discCount = reader.ReadByte();
break;
}
else
{
reader.ReadUInt32();
}
}
}
else
{
throw new Exception("Extracted file is not XEX file");
}
}
catch (Exception ex)
{
throw ex;
}
reader.Close();
}