public class ReconnectController : MonoBehaviourPunCallbacks
{

    private IEnumerator MainReconnect()
    {
        while (PhotonNetwork.NetworkingClient.LoadBalancingPeer.PeerState != ExitGames.Client.Photon.PeerStateValue.Disconnected)
        {
            Debug.Log("Waiting for client to be fully disconnected..", this);

            yield return new WaitForSeconds(0.2f);
        }

        Debug.Log("Client is disconnected!", this);

        if (!PhotonNetwork.ReconnectAndRejoin())
        {
            if (PhotonNetwork.Reconnect())
            {
                Debug.Log("Successful reconnected!", this);
            }
        }
        else
        {
            Debug.Log("Successful reconnected and joined!", this);
        }
    }

    public override void OnDisconnected(DisconnectCause cause)
    {
        StartCoroutine(MainReconnect());
    }
}