unity批量修改AssetBundleName与Variant

批量修改指定路径下的资源的AssetBundleName与Variant。

脚本代码如下：

 using System.Collections;

 using System.Collections.Generic;

 using UnityEngine;

 using UnityEditor;

 using System.IO;

 /// <summary>

 /// AlterAssetBundle类为修改批量修改AssetBundle的Name与Variant的编辑器窗口

 /// </summary>

 public class AlterAssetBundle : EditorWindow

 {

     [MenuItem("AssetsManager/批量修改AssetBundle")]

     static void AddWindow()

     {

         //创建窗口

         AlterAssetBundle window = (AlterAssetBundle)EditorWindow.GetWindow(typeof(AlterAssetBundle), false, "批量修改AssetBundle");

         window.Show();

     }

     //输入文字的内容

     private string Path = "Assets/Resources/", AssetBundleName="", Variant="";

     private bool IsThisName = true;

     void OnGUI()

     {

         GUIStyle text_style = new GUIStyle();

         text_style.fontSize = ;

         text_style.alignment = TextAnchor.MiddleCenter;

         EditorGUILayout.BeginHorizontal();

         GUILayout.Label("默认使用源文件名", GUILayout.MinWidth());

         IsThisName = EditorGUILayout.Toggle(IsThisName);

         EditorGUILayout.EndHorizontal();

         EditorGUILayout.BeginHorizontal();

         GUILayout.Label("AssetBundleName:", GUILayout.MinWidth());

         if(IsThisName)

             GUILayout.Label("源文件名.unity3d", GUILayout.MinWidth());

         else

         AssetBundleName = EditorGUILayout.TextField(AssetBundleName.ToLower());

         EditorGUILayout.EndHorizontal();

         EditorGUILayout.BeginHorizontal();

         GUILayout.Label("Variant:", GUILayout.MinWidth());

         Variant = EditorGUILayout.TextField(Variant.ToLower());

         EditorGUILayout.EndHorizontal();

         GUILayout.Label("\n");

         EditorGUILayout.BeginHorizontal();

         GUILayout.Label("文件夹路径", GUILayout.MinWidth());

         if (GUILayout.Button("浏览", GUILayout.MinWidth())) { OpenFolder(); }

         Path = EditorGUILayout.TextField(Path);

         EditorGUILayout.EndHorizontal();

         if (GUILayout.Button("修改该文件夹下的AssetName及Variant")) { SetSettings(); }

         if (GUILayout.Button("清除所有未被引用的AssetName及Variant")) {

                 AssetDatabase.RemoveUnusedAssetBundleNames();

         }

         if (GUILayout.Button("清空所有AssetName及Variant"))

         {

             ClearAssetBundlesName();

         }

     }

     /// <summary>

     /// 此函数用来打开文件夹修改路径

     /// </summary>

     void OpenFolder()

     {

         string m_path = EditorUtility.OpenFolderPanel("选择文件夹", "", "");

         if (!m_path.Contains(Application.dataPath))

         {

             Debug.LogError("路径应在当前工程目录下");

             return;

         }

         if (m_path.Length != )

         {

             int firstindex = m_path.IndexOf("Assets");

             Path = m_path.Substring(firstindex) + "/";

             EditorUtility.FocusProjectWindow();

         }

     }

     /// <summary>

     /// 此函数用来修改AssetBundleName与Variant

     /// </summary>

     void SetSettings()

     {

         if (Directory.Exists(Path))

         {

             DirectoryInfo direction = new DirectoryInfo(Path);

             FileInfo[] files = direction.GetFiles("*", SearchOption.AllDirectories);

             for (int i = ; i < files.Length; i++)

             {

                 if (files[i].Name.EndsWith(".meta"))

                 {

                     continue;

                 }

                 AssetImporter ai = AssetImporter.GetAtPath(files[i].FullName.Substring(files[i].FullName.IndexOf("Assets")));

                 if(IsThisName)

                     ai.SetAssetBundleNameAndVariant(files[i].Name.Replace(".","_")+".unity3d", Variant);

                 else

                 ai.SetAssetBundleNameAndVariant(AssetBundleName, Variant);

             }

             AssetDatabase.Refresh();

         }

     }

     /// <summary>

     /// 清除之前设置过的AssetBundleName，避免产生不必要的资源也打包

     /// 工程中只要设置了AssetBundleName的，都会进行打包

     /// </summary>

     static void ClearAssetBundlesName()

     {

         int length = AssetDatabase.GetAllAssetBundleNames().Length;

         string[] oldAssetBundleNames = new string[length];

         for (int i = ; i < length; i++)

         {

             oldAssetBundleNames[i] = AssetDatabase.GetAllAssetBundleNames()[i];

         }

         for (int j = ; j < oldAssetBundleNames.Length; j++)

         {

             AssetDatabase.RemoveAssetBundleName(oldAssetBundleNames[j], true);

         }

     }

       void OnInspectorUpdate()

       {

           this.Repaint();//窗口的重绘

     }

 }

AlterAssetBundle