//这是原码

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

public class ABPacket : Editor
{
    //Ab包目标文件目录
   public static string path = Application.dataPath + "/Rec/ui/panel/";
    //public static string path = Application.dataPath + "/Rec/ui/texture/";
    //public static string path = Application.dataPath + "/Rec/ui/Material/";
    //Ab包出包文件目录
    public static string pathExit = Application.streamingAssetsPath;

    public static string pathPxit = Application.persistentDataPath;

    //Ab包目标文件集合
    private static List<AssetBundleBuild> abs = new List<AssetBundleBuild>();

    [MenuItem("ABmanager/打包Windows64")]
    static void BuildABs()
    {
        BuildTarget target = BuildTarget.StandaloneWindows64;
        PackAB(target);

    }

    [MenuItem("ABmanager/打包安卓")]
    static void BuildABAnzhuo()
    {
        BuildTarget target = BuildTarget.Android;
        PackAB(target);
    }

    [MenuItem("ABmanager/打包ios")]
    static void BuildABIos()
    {
        BuildTarget target = BuildTarget.iOS;
        PackAB(target);

    }

    //打包具体实现
    private static void PackAB(BuildTarget buildTarget)
    {
        FABPacket();
        BuildPipeline.BuildAssetBundles(pathExit, abs.ToArray(), BuildAssetBundleOptions.None, buildTarget);
        AssetDatabase.Refresh(ImportAssetOptions.ForceUpdate);
    }

    static void FABPacket()
    {
        DirectoryInfo directoryInfo = new DirectoryInfo(path);
        DirectoryInfo[] directoryInfos = directoryInfo.GetDirectories();
        //每个目录打一个AB包

        for (int i = 0; i < directoryInfos.Length; i++)
        {
            List<string> prefabs = new List<string>();
            FileInfo[] fileInfos = directoryInfos[i].GetFiles("*", SearchOption.AllDirectories);

            for (int j = 0; j < fileInfos.Length; j++)
            {
                if (fileInfos[j].Name.EndsWith(".meta"))
                {
                    continue;
                }
                prefabs.Add(fileInfos[j].FullName.Replace("\\", "/"));
                AssetDatabase.Refresh(ImportAssetOptions.ForceUpdate);
            }

            AssetBundleBuild prefabAB = new AssetBundleBuild
            {
                assetBundleName = directoryInfos[i].Name,
                assetNames = prefabs.Select(s => ToSelectAssetPath(s)).ToArray(),
            };

            abs.Add(prefabAB);
        }
    }

    private static string ToSelectAssetPath(string s)
    {
        string path = s.Substring(s.IndexOf("Assets/"));
        Debug.Log(path);
        return path;
    }
}