PhotonManager.cs

  private void Awake()//載入場景
    {
        if (instance != null)
        {
            DestroyImmediate(gameObject);
            return;
        }
        DontDestroyOnLoad(gameObject);
        instance = this;

        // 讓 PUN 能自動同步載入場景, 可以避免在載入場景初始化時發生一些網路問題.
        // PhotonNetwork.LoadLevel() 的時候Host與Client能同时進入新的場景
        PhotonNetwork.automaticallySyncScene = true;
    }

    private void Start()//連上Photon Cloud
    {
        //UserName
        SetPlayerName();
        //將PUN連上Photon Cloud
        PhotonNetwork.ConnectUsingSettings("BattleGround_" + _gameVersion);        
    }

    /// <summary>
    /// 連接大廳失败
    /// </summary>
    /// <param name="error"></param>
    private void OnFailedToConnect(NetworkConnectionError error)
    {
        Debug.Log("fail to Connect");
    }

    private void SetPlayerName()
    {
        PhotonNetwork.player.NickName = PlayerPrefs.GetString("Username", "我愛PUBG");
        UserNameField.text = PhotonNetwork.player.NickName;
        if (UserNameField.text == "我愛PUBG" || string.IsNullOrWhiteSpace(UserNameField.text))
        {
            UserNameField.text = "我愛PUBG";
        }
        else
        {
            UserNameField.gameObject.SetActive(false);
            UserName.gameObject.SetActive(true);
            UserName.text = PhotonNetwork.player.NickName;
        }
    }

    private void OnDestroy()
    {
        PlayerPrefs.SetString("Username", UserNameField.text);
    }

    private void OnGUI()
    {
        int ping = PhotonNetwork.GetPing();
        GUI.Label(new Rect(10, 10, 200, 30), PhotonNetwork.connectionStateDetailed.ToString() + "，" + ping + " ms");
    }

    
    /// <summary>
    /// Called after the connection to the master is established and authenticated
    /// but only when PhotonNetwork.autoJoinLobby is false.If you set PhotonNetwork.autoJoinLobby to true,
    /// OnJoinedLobby() will be called instead of this.
    /// </summary>
    public override void OnConnectedToMaster()
    {
        // 連上 MasterServer 後,  Button (UI) 就可以顯示或是執行其它後續動作.
        CreateBtn.SetActive(true);
        Debug.Log("已連上 Master Server");
        // AUTO Join Room for testing!
        JoinGameRoom();
        
    }

    /// <summary>
    /// 創建房间
    /// </summary>
    public void CreateARoom()
    {
        if (PhotonNetwork.connected)
        {
            //創建房间成功
            if (PhotonNetwork.CreateRoom(UserNameField.text + " 的對戰室 ", new RoomOptions { MaxPlayers = 16 }, null))
            {
                Debug.Log("PhotonManager.CreateARoom 成功");

            }
        }
    }

    /// <summary>
    /// 加入已知房間房间
    /// </summary>
    public void JoinGameRoom()
    {
        RoomOptions options = new RoomOptions();
        options.MaxPlayers = 16;
        PhotonNetwork.JoinOrCreateRoom(UserNameField.text + "'s Fighting Room", options, TypedLobby.Default);

    }

    public override void OnJoinedRoom()
    {
        Debug.Log(PhotonNetwork.isMasterClient);
        Debug.Log("您已進入遊戲室!!");
        PhotonNetwork.player.NickName = UserNameField.text;
        
      
        //如果是Master Client, 即可建立/ 初始化,與載入遊戲場景
        if (PhotonNetwork.isMasterClient)
        {
            SceneManager.sceneLoaded += this.OnLevelFinishedLoading;
            PhotonNetwork.LoadLevel("GameRoomScene");
        }
    }
}