NetworkConnection

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Networking;

#pragma warning disable CS0618 // Type or member is obsolete
public class NetworkConnection
{
    private readonly int MAX_PLAYERS = 100;
    private readonly int PORT = 20000;
    private readonly int WEB_PORT = 20001;
    private readonly int BYTE_SIZE = 1024;
    private readonly string SERVER_IP = "82.75.138.104";

    public byte reliableChannel { get; private set; }
    public int connectionId { get; private set; }
    public int hostId { get; private set; }
    private byte error;

    public bool isStarted;

    public NetworkConnection(int messageByteSize, int maxPlayers = 100, int port = 20000, int webPort = 20001, string serverIP = "82.75.138.104")
    {
        MAX_PLAYERS = maxPlayers;
        PORT = port;
        WEB_PORT = webPort;
        BYTE_SIZE = messageByteSize;
        SERVER_IP = serverIP;

        InitServer();
    }


    public void InitServer()
    {
        Lobby.DisableInput();
        //connection initialisation
        NetworkTransport.Init();

        ConnectionConfig config = new ConnectionConfig();
        reliableChannel = config.AddChannel(QosType.Reliable);

        HostTopology topology = new HostTopology(config, MAX_PLAYERS);

        //Client only connection
        int hostId = NetworkTransport.AddHost(topology, 0);
#if UNITY_WEBGL && !UNITY_EDITOR
        connectionId = NetworkTransport.Connect(hostId, SERVER_IP, WEB_PORT, 0, out error);
#else
        connectionId = NetworkTransport.Connect(hostId, SERVER_IP, PORT, 0, out error);
#endif
        Lobby.ChangeAuthenticationText($"Attempting to connect to {SERVER_IP}", Color.white);
        isStarted = true;
    }

    public void Shutdown()
    {
        isStarted = false;
        NetworkTransport.Shutdown();
    }
}