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Unity 2022.3.13f1无法重写NetworkManager及找不到NetworkServer类问题

Unity 2022.3 自定义玩家预制体生成解决方案

你之前参考的是旧版UNet网络框架的文档,而Unity 2022.3已默认采用**Netcode for GameObjects(NGO)**作为官方网络方案,旧的NetworkServer类属于已被弃用的UNet,所以找不到对应的类,原文档链接也失效了。下面是NGO框架下实现按PlayerType生成玩家预制体的具体步骤:

1. 确保安装Netcode for GameObjects

打开Package Manager(Window > Package Manager),搜索并安装适配Unity 2022.3的Netcode for GameObjects包。

2. 自定义玩家生成的两种实现方式

NGO中替代旧OnServerAddPlayer的是通过重写NetworkManager方法或注册SpawnManager事件来实现:

方式一:重写NetworkManager的OnServerSpawnPlayer

using Unity.Netcode;
using UnityEngine;

public class CustomNetworkManager : NetworkManager
{
    // 在Inspector面板中赋值不同类型的玩家预制体
    public GameObject playerTypeAPrefab;
    public GameObject playerTypeBPrefab;

    public override void OnServerSpawnPlayer(NetworkManager manager, NetworkConnection clientConnection, PlayerObject playerObject)
    {
        // 从客户端连接数据中解析PlayerType(需客户端提前传递)
        PlayerType playerType = ParsePlayerTypeFromConnection(clientConnection);
        
        // 根据类型选择预制体
        GameObject targetPrefab = playerType == PlayerType.TypeA ? playerTypeAPrefab : playerTypeBPrefab;
        
        // 实例化并生成玩家对象
        GameObject playerInstance = Instantiate(targetPrefab);
        NetworkObject networkObj = playerInstance.GetComponent<NetworkObject>();
        
        manager.SpawnManager.SpawnPlayerForConnection(clientConnection, networkObj, null);
    }

    // 示例:解析客户端传递的PlayerType
    private PlayerType ParsePlayerTypeFromConnection(NetworkConnection connection)
    {
        // 实际项目中可通过ConnectionData传递序列化后的PlayerType,这里仅做示例
        return PlayerType.TypeA;
    }
}

public enum PlayerType
{
    TypeA,
    TypeB
}

方式二:通过SpawnManager事件拦截生成

如果不想重写NetworkManager,可以注册事件来自定义生成逻辑:

using Unity.Netcode;
using UnityEngine;

public class PlayerSpawnHandler : MonoBehaviour
{
    public NetworkManager networkManager;
    public GameObject playerTypeAPrefab;
    public GameObject playerTypeBPrefab;

    void Start()
    {
        networkManager = networkManager ?? FindObjectOfType<NetworkManager>();
        networkManager.SpawnManager.OnPlayerSpawned += HandlePlayerSpawn;
    }

    void HandlePlayerSpawn(PlayerObject playerObj)
    {
        // 获取当前玩家的类型
        PlayerType playerType = GetPlayerType(playerObj);
        GameObject targetPrefab = playerType == PlayerType.TypeA ? playerTypeAPrefab : playerTypeBPrefab;
        
        // 销毁默认生成的玩家对象
        Destroy(playerObj.NetworkObject.gameObject);
        
        // 生成自定义玩家并关联客户端
        GameObject playerInstance = Instantiate(targetPrefab);
        NetworkObject networkObj = playerInstance.GetComponent<NetworkObject>();
        
        networkManager.SpawnManager.SpawnPlayerForConnection(playerObj.OwnerClientId, networkObj, null);
    }

    private PlayerType GetPlayerType(PlayerObject playerObj)
    {
        // 实现获取玩家类型的逻辑,比如从客户端数据或玩家存档读取
        return PlayerType.TypeB;
    }
}

3. 客户端传递PlayerType的方法

要让服务器知道客户端的PlayerType,可以在客户端连接时传递自定义数据:

  • 客户端在调用NetworkManager.Singleton.StartClient()前,将PlayerType序列化为字节数组,赋值给NetworkManager.Singleton.NetworkConfig.ConnectionData。
  • 服务器在OnServerSpawnPlayer中解析clientConnection.ConnectionData即可拿到对应的玩家类型。

重要注意事项

  • 所有玩家预制体必须添加NetworkObject组件,且需在NetworkManager的PlayerPrefab中设置一个默认预制体(即使后续会替换)。
  • 记得给玩家预制体添加NetworkTransform等必要的网络同步组件,确保对象状态在客户端和服务器间同步。

内容的提问来源于stack exchange,提问作者Keygun2k1

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最近更新时间:2026.07.02 18:08:45