void Packetinterface.decode(byte[] packet, ref int offset)
{
ip_ = PacketUtil.decodestring(packet, ref offset);
port_ = PacketUtil.decodeUInt32(packet, ref offset);
name_ = PacketUtil.decodestring(packet, ref offset);
pointX_ = PacketUtil.decodefloat(packet, ref offset);
pointY_ = PacketUtil.decodefloat(packet, ref offset);
}