public MultiTargetReq( MultiTarget t )
            : base(0x99, 26)
        {
            m_Stream.Write( (bool) t.AllowGround );
            m_Stream.Write( (int) t.TargetID );
            m_Stream.Write( (byte) t.Flags );

            m_Stream.Fill();

            m_Stream.Seek( 18, SeekOrigin.Begin );
            m_Stream.Write( (short) t.MultiID );
            m_Stream.Write( (short) t.Offset.X );
            m_Stream.Write( (short) t.Offset.Y );
            m_Stream.Write( (short) t.Offset.Z );
        }