unity-unet-动态spawn player

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连接服务器成功时，会在客户端生产一个player，这个player 的 prefab 可以在 Network Manager 中指定，如果不去重写一些方法的话，所有 player 生成的都是同一个 prefab 资源。

  • 继承 Network Manager 重写 OnServerAddPlayer 方法，要自定义的prefab 一定要丢进注册列表中，也就是这个
    这里写图片描述

    代码中是丢在这个容器中
    [SerializeField] List<GameObject> m_SpawnPrefabs = new List<GameObject>();
    但使用时是用
    public List<GameObject> spawnPrefabs { get { return m_SpawnPrefabs; }}

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    /// <summary>
    /// 重写实例化对象，使用自定义的prefab，这个prefab必须在spawnPrefabs列表中
    /// </summary>
    /// <param name="conn"></param>
    /// <param name="playerControllerId"></param>
    public override void OnServerAddPlayer(NetworkConnection conn, short playerControllerId)
    {
        GameObject go = null;
        if (spawnPrefabs.Count > 0)
            go = spawnPrefabs[spawnPrefabs.Count - 1];
        else
            go = playerPrefab;
    	
        var player = (GameObject)GameObject.Instantiate(go, GetStartPos().position, Quaternion.identity);
        NetworkServer.AddPlayerForConnection(conn, player, playerControllerId);
    }
  • 源码 
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    void OnServerAddPlayerInternal(NetworkConnection conn, short playerControllerId)
    {
        if (m_PlayerPrefab == null)
        {
            if (LogFilter.logError) { Debug.LogError("The PlayerPrefab is empty on the NetworkManager. Please setup a PlayerPrefab object."); }
            return;
        }
    	
        if (m_PlayerPrefab.GetComponent<NetworkIdentity>() == null)
        {
            if (LogFilter.logError) { Debug.LogError("The PlayerPrefab does not have a NetworkIdentity. Please add a NetworkIdentity to the player prefab."); }
            return;
        }
    	
        if (playerControllerId < conn.playerControllers.Count  && conn.playerControllers[playerControllerId].IsValid && conn.playerControllers[playerControllerId].gameObject != null)
        {
            if (LogFilter.logError) { Debug.LogError("There is already a player at that playerControllerId for this connections."); }
            return;
        }
    	
        GameObject player;
        Transform startPos = GetStartPosition();
        if (startPos != null)
        {
            player = (GameObject)Instantiate(m_PlayerPrefab, startPos.position, startPos.rotation);
        }
        else
        {
            player = (GameObject)Instantiate(m_PlayerPrefab, Vector3.zero, Quaternion.identity);
        }
    	
        NetworkServer.AddPlayerForConnection(conn, player, playerControllerId);
    }