批量修改指定路径下的资源的AssetBundleName与Variant。

批量修改指定路径下的资源的AssetBundleName与Variant。

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 = 15;
        text_style.alignment = TextAnchor.MiddleCenter;

        EditorGUILayout.BeginHorizontal();
        GUILayout.Label("默认使用源文件名", GUILayout.MinWidth(120));
        IsThisName = EditorGUILayout.Toggle(IsThisName);
        EditorGUILayout.EndHorizontal();

        EditorGUILayout.BeginHorizontal();
        GUILayout.Label("AssetBundleName:", GUILayout.MinWidth(120));
        if(IsThisName)
            GUILayout.Label("源文件名.unity3d", GUILayout.MinWidth(120));
        else
        AssetBundleName = EditorGUILayout.TextField(AssetBundleName.ToLower());
        EditorGUILayout.EndHorizontal();

        EditorGUILayout.BeginHorizontal();
        GUILayout.Label("Variant:", GUILayout.MinWidth(120));
        Variant = EditorGUILayout.TextField(Variant.ToLower());
        EditorGUILayout.EndHorizontal();

        GUILayout.Label("\n");

        EditorGUILayout.BeginHorizontal();
        GUILayout.Label("文件夹路径", GUILayout.MinWidth(60));
        if (GUILayout.Button("浏览", GUILayout.MinWidth(60))) { 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 != 0)
        {
            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 = 0; 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 = 0; i < length; i++)
        {
            oldAssetBundleNames[i] = AssetDatabase.GetAllAssetBundleNames()[i];
        }

        for (int j = 0; j < oldAssetBundleNames.Length; j++)
        {
            AssetDatabase.RemoveAssetBundleName(oldAssetBundleNames[j], true);
        }
    }
      void OnInspectorUpdate()
      {
          this.Repaint();//窗口的重绘
    }
}

AlterAssetBundle