using Org.BouncyCastle.Asn1.Ocsp;
using Sirenix.OdinInspector;
using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class Meshselect : MonoBehaviour
{
    public GameObject modelA;
    public GameObject modelB;
    //public GameObject fenzumubiao;
    objTree ObjATree;
    public Dictionary<string, GameObject> objBDic;
    [Button("测试")]
    void CreateTree()
    {   
        ObjATree = new objTree(modelA);
        objBDic = new Dictionary<string, GameObject>();
        FindChild(modelB);
        GameObject newFenzumubiao = new GameObject("分组目标");
        HierarchicalMatching(ObjATree, newFenzumubiao);
        modelB.transform.SetParent(newFenzumubiao.transform);
        modelB.name = "没配对上的";
    }
    void FindChild(GameObject child) //收集未分组的mesh
    {
        MeshFilter meshFilter = child.GetComponent<MeshFilter>();
        if (meshFilter != null && meshFilter.sharedMesh != null)
        {
            if (!objBDic.ContainsKey(meshFilter.sharedMesh.name))
                objBDic.Add(meshFilter.sharedMesh.name, child);
        }


        for (int i = 0; i < child.transform.childCount; i++)
            FindChild(child.transform.GetChild(i).gameObject);
    }


    void HierarchicalMatching(objTree tree, GameObject NowPoint) //按层级匹配
    {
        GameObject matchTmpObj;
        if (tree.nodeMesh != null && objBDic.TryGetValue(tree.nodeMesh.name, out GameObject tmpObj))
            matchTmpObj = tmpObj;
        else
        {
            matchTmpObj = new GameObject();
            matchTmpObj.name = tree.nodeObj.name;
        }
        matchTmpObj.transform.SetParent(NowPoint.transform);

      

        foreach (objTree tmp in tree.children)
            HierarchicalMatching(tmp, matchTmpObj);


    }

    //
    [Serializable]
    public class objTree
    {
        public Mesh nodeMesh;
        public GameObject nodeObj;
        public List<objTree> children = new List<objTree>();
        public objTree(GameObject gameObj)
        {
            nodeObj = gameObj;//节点

                MeshFilter meshFilter = nodeObj.GetComponent<MeshFilter>();
            if (meshFilter != null && meshFilter.sharedMesh != null)
                nodeMesh = nodeObj.GetComponent<MeshFilter>().sharedMesh;
            
            addObjNode();
        }
        public void addObjNode()
        { 
            for (int i = 0; i < nodeObj.transform.childCount; i++)
            {
                children.Add(new objTree(nodeObj.transform.GetChild(i).gameObject));
            }


        }
    }
}