public void SendPlayerCount(int players)
    {
        PlayerCountMessage msg = new PlayerCountMessage();

        msg.numPlayers = players;

        NetworkServer.SendToAll(MyMsgType.playerCount, msg);
    }
    public void OnPlayerCount(NetworkMessage netMsg)
    {
        PlayerCountMessage msg = netMsg.ReadMessage <PlayerCountMessage>();

        Debug.Log("onPlayerCount " + msg.numPlayers);
    }