feat: beginning to implement an online lobby in the main menu with fishnet

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Assets/Scripts/Multiplayer/LobbyManager.cs

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+using UnityEngine;
+
+public class LobbyManager : MonoBehaviour
+{
+	#region Fields
+	private SSOLobby lobby;
+	#endregion
+	#region Init
+
+	private void Awake()
+	{
+		Locator.RegisterService<LobbyManager>(this);
+	}
+
+	public void InitClient(SSOLobby lobby)
+	{
+		this.lobby = lobby;
+	}
+	#endregion
+
+}

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Assets/Scripts/Multiplayer/Locator.cs

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+using System.Collections.Generic;
+using System;
+using log4net;
+using System.Reflection;
+public static class Locator
+{
+	private static readonly ILog Log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+	private static readonly Dictionary<Type, object> services = new();
+	public static void RegisterService<T>(T service)
+	{
+		Type serviceType = typeof(T);
+		if (!services.ContainsKey(serviceType))
+		{
+			services.Add(serviceType, service);
+		}
+		else
+		{
+			Log.Warn($"Service of type {serviceType} is alreade registered.");
+		}
+	}
+
+	public static T GetService<T>()
+	{
+		Type serviceType = typeof(T);
+		if (services.TryGetValue(serviceType, out var service))
+		{
+			return (T)service;
+		}
+		else
+		{
+			Log.Error($"Service of type {serviceType} not registered.using System.Collections");
+			throw new KeyNotFoundException($"Service of type {serviceType} not registered.using System.Collections");
+		}
+	}
+}

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Assets/Scripts/Multiplayer/SSOLobby.cs

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+using System;
+using FishNet;
+using FishNet.Connection;
+using FishNet.Managing.Scened;
+using FishNet.Object;
+using FishNet.Transporting;
+using UnityEngine;
+
+public class SSOLobby : NetworkBehaviour
+{
+	#region Init & Update
+	void Start()
+	{
+		Locator.RegisterService<SSOLobby>(this);
+
+		// Register connection state events
+		InstanceFinder.ServerManager.OnServerConnectionState += OnServerStateChanged;
+		InstanceFinder.ServerManager.OnRemoteConnectionState += OnClienStateChanged;
+		InstanceFinder.ClientManager.OnClientConnectionState += OnLocalClientStateChanged;
+
+		base.NetworkManager.SceneManager.OnLoadEnd += OnClientLoadedScene;
+		base.NetworkManager.SceneManager.OnClientPresenceChangeEnd += OnClientSceneState;
+
+	}
+
+
+	public override void OnStartClient()
+	{
+		Locator.GetService<LobbyManager>().InitClient(this);
+	}
+	public override void OnStopServer()
+	{
+		base.OnStopServer();
+		base.NetworkManager.SceneManager.OnLoadEnd -= OnClientLoadedScene;
+		base.NetworkManager.SceneManager.OnClientPresenceChangeEnd -= OnClientSceneState;
+	}
+
+	#endregion
+
+	#region Events
+	private void OnClientSceneState(ClientPresenceChangeEventArgs args)
+	{
+		throw new NotImplementedException();
+	}
+
+	private void OnClientLoadedScene(SceneLoadEndEventArgs args)
+	{
+		throw new NotImplementedException();
+	}
+
+	private void OnLocalClientStateChanged(ClientConnectionStateArgs args)
+	{
+		throw new NotImplementedException();
+	}
+
+	private void OnClienStateChanged(NetworkConnection connection, RemoteConnectionStateArgs args)
+	{
+		throw new NotImplementedException();
+	}
+
+	private void OnServerStateChanged(ServerConnectionStateArgs args)
+	{
+		throw new NotImplementedException();
+	}
+	#endregion
+}

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Assets/Scripts/Multiplayer/StartUp.cs

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+using System;
+using System.Reflection;
+using FishNet.Managing;
+using FishNet.Object;
+using FishNet.Transporting;
+using FishNet.Transporting.Multipass;
+using FishNet.Transporting.Tugboat;
+using log4net;
+using Unity.VisualScripting;
+using UnityEngine;
+using UnityEngine.SceneManagement;
+
+public class StartUp : MonoBehaviour
+{
+	#region Fields
+	private static readonly ILog Log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+	[SerializeField] private NetworkObject lobbyNetworkPrefab;
+	private NetworkManager networkManager;
+	#endregion
+
+	private void Start()
+	{
+		networkManager = GetComponent<NetworkManager>();
+		Multipass mp = GetComponent<Multipass>();
+#if UNITY_WEBGL && !UNITY_EDITOR
+		mp.SetClientTransport<Bayou>();
+#else
+		mp.SetClientTransport<Tugboat>();
+#endif
+		networkManager.ServerManager.OnServerConnectionState += ServerStateChanged;
+
+	}
+
+	#region Events
+	private void ServerStateChanged(ServerConnectionStateArgs args)
+	{
+		if (args.ConnectionState != LocalConnectionState.Started)
+		{
+			Log.Debug("Server not yet started.");
+			return;
+		}
+		if (!networkManager.ServerManager.OneServerStarted())
+		{
+			Log.Info("More than one server available.");
+			return;
+		}
+
+		Log.Debug("Instantiating networked lobby.");
+
+		NetworkObject nob = Instantiate(lobbyNetworkPrefab);
+		// TODO: Might not be necessary
+		Scene scene = SceneManager.GetSceneByName("OnlineLobby");
+		SceneManager.MoveGameObjectToScene(nob.gameObject, scene);
+		networkManager.ServerManager.Spawn(nob.gameObject);
+	}
+	#endregion
+}

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