using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEditor;
using System.Linq;

public class ChildSort : Editor
{
  [MenuItem("Tools/Sort Children By Name")]
    private static void SortChildrenByNameMenu()
    {
        // 获取当前选中的物体
        GameObject selected = Selection.activeGameObject;

        if (selected == null)
        {
            Debug.LogError("请先选择一个父物体！");
            return;
        }

        // 获取所有子物体
        List<Transform> children = new List<Transform>();
        foreach (Transform child in selected.transform)
        {
            children.Add(child);
        }

        // 排序逻辑（按名字中的数字）
        children = children.OrderBy(child =>
        {
            string name = child.name;
            int number = ExtractNumber(name);
            return number;
        }).ToList();

        // 按排序结果重新设置子物体的层级
        for (int i = 0; i < children.Count; i++)
        {
            children[i].SetSiblingIndex(i);
        }

        Debug.Log($"已对 {selected.name} 下的子物体按名字排序！");
    }

    static int ExtractNumber(string name)
    {
        int number = 0;
        string digits = new string(name.Where(char.IsDigit).ToArray());
        int.TryParse(digits, out number);
        return number;
    }
}