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using System.Collections;
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using System.Diagnostics;
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using System.Net;
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using System.Threading.Tasks;
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using NitroxClient.Communication.Abstract;
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using NitroxClient.Communication.Exceptions;
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using NitroxClient.Communication.MultiplayerSession;
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using NitroxClient.GameLogic.PlayerLogic.PlayerPreferences;
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using NitroxClient.MonoBehaviours.Gui.MainMenu.ServersList;
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using NitroxModel.Core;
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using NitroxModel.DataStructures.Util;
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using NitroxModel.Helper;
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using NitroxModel.MultiplayerSession;
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using NitroxModel_Subnautica.DataStructures;
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using UnityEngine;
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namespace NitroxClient.MonoBehaviours.Gui.MainMenu.ServerJoin;
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public static class JoinServerBackend
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{
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private static PlayerPreferenceManager preferencesManager;
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private static PlayerPreference activePlayerPreference;
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private static IMultiplayerSession multiplayerSession;
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private static GameObject multiplayerClient;
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private static string serverIp;
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private static int serverPort;
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public static void RequestSessionReservation(string playerName, Color playerColor)
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{
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preferencesManager.SetPreference(serverIp, new PlayerPreference(playerName, playerColor));
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Optional<string> opPassword = MainMenuEnterPasswordPanel.LastEnteredPassword;
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AuthenticationContext authenticationContext = new(playerName, opPassword);
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multiplayerSession.RequestSessionReservation(new PlayerSettings(playerColor.ToDto()), authenticationContext);
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}
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private static void SessionConnectionStateChangedHandler(IMultiplayerSessionConnectionState state)
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{
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switch (state.CurrentStage)
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{
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case MultiplayerSessionConnectionStage.ESTABLISHING_SERVER_POLICY:
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Log.Info("Requesting session policy info");
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Log.InGame(Language.main.Get("Nitrox_RequestingSessionPolicy"));
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break;
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case MultiplayerSessionConnectionStage.AWAITING_RESERVATION_CREDENTIALS:
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Color.RGBToHSV(activePlayerPreference.PreferredColor(), out float hue, out float saturation, out float brightness); // HSV => Hue Saturation Value, HSB => Hue Saturation Brightness
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MainMenuJoinServerPanel.Instance.UpdatePlayerPanelValues(activePlayerPreference.PlayerName, new Vector3(hue, saturation, brightness));
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if (multiplayerSession.SessionPolicy.RequiresServerPassword)
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{
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Log.Info("Waiting for server password input");
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Log.InGame(Language.main.Get("Nitrox_WaitingPassword"));
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MainMenuEnterPasswordPanel.ResetLastEnteredPassword();
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MainMenuRightSide.main.OpenGroup(MainMenuEnterPasswordPanel.NAME);
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MainMenuEnterPasswordPanel.Instance.FocusPasswordField();
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break;
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}
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Log.Info("Waiting for user input");
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Log.InGame(Language.main.Get("Nitrox_WaitingUserInput"));
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MainMenuRightSide.main.OpenGroup(MainMenuJoinServerPanel.NAME);
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MainMenuJoinServerPanel.Instance.FocusNameInputField();
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break;
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case MultiplayerSessionConnectionStage.SESSION_RESERVED:
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Log.Info("Launching game");
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Log.InGame(Language.main.Get("Nitrox_LaunchGame"));
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multiplayerSession.ConnectionStateChanged -= SessionConnectionStateChangedHandler;
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preferencesManager.Save();
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StartGame();
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break;
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case MultiplayerSessionConnectionStage.SESSION_RESERVATION_REJECTED:
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Log.Info("Reservation rejected");
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Log.InGame(Language.main.Get("Nitrox_RejectedSessionPolicy"));
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MultiplayerSessionReservationState reservationState = multiplayerSession.Reservation.ReservationState;
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string reservationRejectionNotification = reservationState.Describe();
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MainMenuNotificationPanel.ShowMessage(reservationRejectionNotification, null, () =>
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{
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multiplayerSession.Disconnect();
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multiplayerSession.ConnectAsync(serverIp, serverPort);
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});
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break;
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case MultiplayerSessionConnectionStage.DISCONNECTED:
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Log.Info(Language.main.Get("Nitrox_DisconnectedSession"));
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break;
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}
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}
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public static async Task StartMultiplayerClientAsync(IPAddress ip, int port)
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{
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serverIp = ip.ToString();
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serverPort = port;
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NitroxServiceLocator.BeginNewLifetimeScope();
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preferencesManager = NitroxServiceLocator.LocateService<PlayerPreferenceManager>();
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activePlayerPreference = preferencesManager.GetPreference(serverIp);
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multiplayerSession = NitroxServiceLocator.LocateService<IMultiplayerSession>();
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if (!multiplayerClient)
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{
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multiplayerClient = new GameObject("Nitrox Multiplayer Client");
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multiplayerClient.AddComponent<Multiplayer>();
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multiplayerSession.ConnectionStateChanged += SessionConnectionStateChangedHandler;
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}
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try
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{
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await multiplayerSession.ConnectAsync(serverIp, serverPort);
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}
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catch (ClientConnectionFailedException ex)
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{
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Log.ErrorSensitive("Unable to contact the remote server at: {ip}:{port}", serverIp, serverPort);
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string msg = $"{Language.main.Get("Nitrox_UnableToConnect")} {serverIp}:{serverPort}";
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if (ip.IsLocalhost())
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{
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if (Process.GetProcessesByName("NitroxServer-Subnautica").Length == 0)
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{
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Log.Error("No server process was found while address was localhost");
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msg += $"\n{Language.main.Get("Nitrox_StartServer")}";
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}
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else
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{
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Log.Error(ex);
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msg += $"\n{Language.main.Get("Nitrox_FirewallInterfering")}";
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}
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}
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Log.InGame(msg);
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StopMultiplayerClient();
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MainMenuNotificationPanel.ShowMessage(msg, MainMenuServerListPanel.NAME);
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}
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}
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/// <summary>
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/// This method starts a connection with the provided server but leaves handling the session negotiation for the caller.
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/// </summary>
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public static async Task StartDetachedMultiplayerClientAsync(IPAddress ip, int port, MultiplayerSessionConnectionStateChangedEventHandler sessionHandler)
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{
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multiplayerClient = new GameObject("Nitrox Multiplayer Client");
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Task task = StartMultiplayerClientAsync(ip, port);
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multiplayerClient.AddComponent<Multiplayer>();
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multiplayerSession.ConnectionStateChanged += sessionHandler;
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await task;
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}
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public static void StartGame()
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{
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#pragma warning disable CS0618 // God Damn it UWE...
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Multiplayer.SubnauticaLoadingStarted();
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IEnumerator startNewGame = uGUI_MainMenu.main.StartNewGame(GameMode.Survival);
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#pragma warning restore CS0618 // God damn it UWE...
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UWE.CoroutineHost.StartCoroutine(startNewGame);
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LoadingScreenVersionText.Initialize();
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}
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public static void StopMultiplayerClient()
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{
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if (!multiplayerClient || !Multiplayer.Main)
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{
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return;
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}
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if (multiplayerSession.CurrentState.CurrentStage != MultiplayerSessionConnectionStage.DISCONNECTED)
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{
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multiplayerSession.Disconnect();
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}
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multiplayerSession.ConnectionStateChanged -= SessionConnectionStateChangedHandler;
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Multiplayer.Main.StopCurrentSession();
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NitroxServiceLocator.EndCurrentLifetimeScope(); //Always do this last.
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Object.Destroy(multiplayerClient);
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multiplayerClient = null;
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}
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}
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