void handleCustomPacket(
Packet250CustomPayload packet, NetworkManager network, NetHandler handler) {
if ("REGISTER".equals(packet.channel)) {
handleRegistrationPacket(packet, (Player) handler.getPlayer());
} else if ("UNREGISTER".equals(packet.channel)) {
handleUnregistrationPacket(packet, (Player) handler.getPlayer());
} else {
handlePacket(packet, network, (Player) handler.getPlayer());
}
}