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

public class FBXMaterialChecker
{
    [MenuItem("Tools/检查场景中 FBX 材质引用")]
    public static void CheckFBXMaterialsInScene()
    {
        var allRenderers = Object.FindObjectsOfType<Renderer>();
        var fbxMaterials = new HashSet<Material>();

        foreach (var renderer in allRenderers)
        {
            foreach (var mat in renderer.sharedMaterials)
            {
                if (!mat) continue;

                string path = AssetDatabase.GetAssetPath(mat);
                if (string.IsNullOrEmpty(path)) continue;

                if (path.EndsWith(".fbx", System.StringComparison.OrdinalIgnoreCase) || path.Contains(".fbx/"))
                {
                    Debug.LogWarning($"对象 [{renderer.name}] 使用了 FBX 材质: {mat.name} ({path})", renderer);
                    fbxMaterials.Add(mat);
                }
            }
        }

        if (fbxMaterials.Count == 0)
            Debug.Log("✅ 场景中没有引用来自 FBX 的材质。");
        else
            Debug.Log($"⚠️ 场景中共有 {fbxMaterials.Count} 个 FBX 材质被引用。请检查日志。");
    }
}