unityzgy/Assets/Editor/FixMissingMeshes.cs

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

public class FixMissingMeshes : MonoBehaviour
{
    // 在Resources文件夹中加载所有的Mesh
    private static Dictionary<string, Mesh> meshDictionary;

    [MenuItem("Tools/Find Miss Meshes")]
    private static void FindMissMesh()
    {
        GameObject[] allObjects = GameObject.FindObjectsOfType<GameObject>();
        MeshFilter item = null;
        foreach (GameObject obj in allObjects)
        {
            if (obj.TryGetComponent<MeshFilter>(out item))
            {
                if (item.sharedMesh == null)
                {
                    Debug.Log(obj.name);
                }
            }
        }
    }

    [MenuItem("Tools/Fix Missing Meshes")]
    private static void FixMeshes()
    {
        // 初始化Mesh字典
        LoadMeshes();

        // 获取所有场景中的GameObject
        GameObject[] allObjects = FindObjectsOfType<GameObject>();

        foreach (GameObject obj in allObjects)
        {
            MeshFilter meshFilter = obj.GetComponent<MeshFilter>();
            if (meshFilter != null && meshFilter.sharedMesh == null)
            {
                // 尝试根据名称从字典中获取Mesh
                string meshName = obj.name;
                if (meshDictionary.ContainsKey(meshName))
                {
                    meshFilter.mesh = meshDictionary[meshName];
                    Debug.Log($"Fixed mesh for {obj.name}");
                }
            }
        }
    }

    /* private static void LoadMeshes()
    {
        meshDictionary = new Dictionary<string, Mesh>();
        string[] assetPaths = AssetDatabase.FindAssets("t:Mesh", new[] { "Assets" }); // 找到所有 Mesh 资产的路径
        foreach (string assetPath in assetPaths)
        {
            string meshName = Path.GetFileNameWithoutExtension(AssetDatabase.GUIDToAssetPath(assetPath)); // 获取网格名称
            Mesh mesh = AssetDatabase.LoadAssetAtPath<Mesh>(AssetDatabase.GUIDToAssetPath(assetPath)); // 加载网格
            meshDictionary[meshName] = mesh;
        }
    } */

    private static void LoadMeshes()
    {
        meshDictionary = new Dictionary<string, Mesh>();
        Mesh[] meshes = Resources.LoadAll<Mesh>("");
        foreach (Mesh mesh in meshes)
        {
            meshDictionary[mesh.name] = mesh;
        }
    }
}