76 lines
2.6 KiB
C#
76 lines
2.6 KiB
C#
using UnityEngine;
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using UnityEditor;
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using System.IO;
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using System.Linq;
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public class SyncFBXMaterialToPrefab : Editor
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{
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[MenuItem("Assets/材质工具/同步 FBX 材质到对应 Prefab", true)]
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static bool Validate()
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{
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return Selection.assetGUIDs.Any(guid => AssetDatabase.GUIDToAssetPath(guid).EndsWith(".fbx"));
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}
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[MenuItem("Assets/材质工具/同步 FBX 材质到对应 Prefab")]
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static void SyncMaterialsFromFBX()
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{
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foreach (string guid in Selection.assetGUIDs)
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{
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string fbxPath = AssetDatabase.GUIDToAssetPath(guid);
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if (!fbxPath.EndsWith(".fbx")) continue;
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GameObject fbxModel = AssetDatabase.LoadAssetAtPath<GameObject>(fbxPath);
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if (fbxModel == null) continue;
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string prefabPath = Path.ChangeExtension(fbxPath, ".prefab");
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prefabPath = prefabPath.Replace("Models", "Prefabs");
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GameObject prefab = AssetDatabase.LoadAssetAtPath<GameObject>(prefabPath);
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if (prefab == null)
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{
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Debug.LogWarning($"未找到对应的 prefab: {prefabPath}");
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continue;
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}
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// 获取 FBX 中当前 remap 的材质信息（用名字匹配 Renderer 路径）
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var fbxRenderers = fbxModel.GetComponentsInChildren<Renderer>(true);
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var fbxMatMap = fbxRenderers.ToDictionary(
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r => GetRelativePath(r.transform, fbxModel.transform),
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r => r.sharedMaterials
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);
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GameObject instance = (GameObject)PrefabUtility.InstantiatePrefab(prefab);
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bool hasChanged = false;
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foreach (var renderer in instance.GetComponentsInChildren<Renderer>(true))
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{
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string path = GetRelativePath(renderer.transform, instance.transform);
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if (fbxMatMap.TryGetValue(path, out var remappedMats))
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{
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renderer.sharedMaterials = remappedMats;
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hasChanged = true;
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Debug.Log($"✔ 替换 Renderer 材质: {path}");
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}
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}
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if (hasChanged)
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{
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PrefabUtility.SaveAsPrefabAsset(instance, prefabPath);
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Debug.Log($"✅ 已同步材质到 Prefab: {prefabPath}");
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}
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Object.DestroyImmediate(instance);
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}
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AssetDatabase.SaveAssets();
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AssetDatabase.Refresh();
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}
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static string GetRelativePath(Transform current, Transform root)
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{
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if (current == root) return current.name;
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return GetRelativePath(current.parent, root) + "/" + current.name;
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}
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}
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