Unity 未在检查器中显示自定义序列化类字段

Question

我有一个简单的类，上面有 [System.Serializable] 属性，但我不确定为什么该字段没有显示在检查器中。

[System.Serializable]
public class Room
{
    [SerializeField] private Room m_parent;
    [SerializeField] private Vector2Int m_location;

    public Room parent => m_parent;
    public Vector2Int location => m_location;

    public Room(Vector2Int location, Room parent)
    {
        m_location = location;
        m_parent = parent;
    }
}

*上面的代码被剥离以突出显示未显示的字段。

这是一个使用上述类的精简脚本：

public class DungeonLayoutGenerator : MonoBehaviour
{
    [SerializeField] protected List<Room> m_rooms;

    [SerializeField] protected int m_walkLength = 10;

    public byte[,] dungeonLayout { get; protected set; }

    private int m_walkCount = 0;

    private List<Vector2Int> SquareDirections = new List<Vector2Int>
    {
        new Vector2Int(1, 0),  // East
        new Vector2Int(-1, 0), // West
        new Vector2Int(0, 1),  // North
        new Vector2Int(0, -1), // South
    };

    private void Start()
    {
        m_rooms = new List<Room>();
        Generate(0, 0, null);
    }

    private void Generate(int x, int y, Room parent)
    {
        // Exit Conditions:
        if (m_walkLength > 0 && m_walkCount >= m_walkLength) { return; }
        if(CountSquareNeighbors(x, y, (byte)MapPart.Empty) >= 2) { return; }

        // Set current location:
        dungeonLayout[x, y] = (byte)MapPart.Empty; // Enum defined in another class.
        Room room = new Room(new Vector2Int(x, y), parent);
        m_rooms.Add(room);
        parent = room;
        
        // Increment Counter if we are counting walkLength:
        m_walkCount++;

        // Bail, We have generated enough rooms:
        if (m_walkCount >= 10) { return; }

        // Randomize our directions:
        SquareDirections.Shuffle(); // Defined in Extensions.cs

        // Reccursive Calls:
        Generate(x + SquareDirections[0].x, y + SquareDirections[0].y, parent);
        Generate(x + SquareDirections[1].x, y + SquareDirections[1].y, parent);
        Generate(x + SquareDirections[2].x, y + SquareDirections[2].y, parent);
        Generate(x + SquareDirections[3].x, y + SquareDirections[3].y, parent);
    }
}

当我运行游戏时，一切都按预期工作，但是当我在检查器中展开 m_rooms 字段时，我只看到 Vector2Int 并且 m_parent 字段没有显示。我在 Room 类的构造函数中添加了一些调试代码，以确保只有创建的第一个 Room 具有 m_parent 的空值。我错过了什么吗？

提前致谢。

Answer 1

您需要编写自定义编辑器脚本，以便 unity 能够在检查器中绘制它。现在统一不知道如何在检查器窗口中显示它。你可以在 youtube 上找到一些关于如何编写编辑器脚本的教程。