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《编辑器工具》按数字向下复制一个

水沐由之 2022-02-19 阅读 33
using System;
using System.Text;
using System.Text.RegularExpressions;
using UnityEditor;
using UnityEngine;

public class HierarchyEditor 
{
    [MenuItem("GameObject/向下复制一个",priority =0)]
    public static void CopyNext()
    {
        GameObject proto = Selection.activeGameObject;
        if(proto==null)
        {
            return;
        }
        GameObject prefab = PrefabUtility.GetNearestPrefabInstanceRoot(proto);
        if(prefab!=null)
        {
            PrefabUtility.UnpackPrefabInstance(prefab, PrefabUnpackMode.Completely, InteractionMode.UserAction);
        }

        GameObject nextObj = GameObject.Instantiate(proto);
        nextObj.transform.SetParent(proto.transform.parent);
        nextObj.transform.SetAsLastSibling();
        IterName(nextObj, proto);
    }
    private static void IterName(GameObject obj,GameObject copyObj)
    {
        string name = copyObj.name;
        StringBuilder newName = new StringBuilder();
        for (int i = 0; i < name.Length; i++)
        {
            if(name[i]>='0'&&name[i]<='9')
            {
                newName.Append(((name[i] - '0') + 1).ToString());
            }
            else
            {
                newName.Append(name[i]);
            }
        }
        obj.name = newName.ToString();
        if(obj.transform.childCount>0)
        {
            for (int i = 0; i < obj.transform.childCount&&i<copyObj.transform.GetChild(i).childCount; i++)
            {
                if(copyObj.transform.GetChild(i).gameObject.hideFlags != HideFlags.HideAndDontSave)
                {
                    IterName(obj.transform.GetChild(i).gameObject, copyObj.transform.GetChild(i).gameObject);
                }
            }
        }
    }
}
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