smog/server/GameServer.java

package me.lethunderhawk.server;

import com.esotericsoftware.kryonet.Connection;
import com.esotericsoftware.kryonet.Listener;
import com.esotericsoftware.kryonet.Server;
import me.lethunderhawk.network.NetworkRegister;
import me.lethunderhawk.network.Packets;

import java.io.IOException;

public class GameServer {

    private final Server server;

    public GameServer() throws IOException {

        server = new Server();

        registerPackets();

        server.start();

        server.bind(54555, 54777);

        server.addListener(new Listener() {

            @Override
            public void received(Connection connection, Object object) {
                if(object instanceof Packets.PlayerLoginPacket packet) {
                    server.sendToAllExceptUDP(connection.getID(), packet);
                }
                if(object instanceof Packets.PlayerPositionPacket packet) {
                    server.sendToAllExceptUDP(connection.getID(), packet);
                }
            }
        });
    }

    private void registerPackets() {
        NetworkRegister.register(server.getKryo());
    }
}