ICTS_2021/Unity3/Assets/DownloadBundleDevice.cs

using UnityEngine;
using System.Collections;
using System.IO;

public class DownloadBundleDevice : MonoBehaviour
{

    private static string[] _files =new []{ "default_background", "default_hd" , "default_scenery", "default_sd", "default_shd" };

    private static string Platform
    {
        get
        {
#if UNITY_ANDROID
            return "Android";
#endif

#if UNITY_IPHONE
            return "iPhone";
#endif
            return "";
        }
    }

    public static void Extract()
    {
        var path = Application.persistentDataPath.TrimEnd('/') + "/" + Platform;
        if (!Directory.Exists(path))
        {
            Directory.CreateDirectory(path);
        }

        foreach (var file in _files)
        {

            var data = Resources.Load<TextAsset>(Platform + "/" + file).bytes;
            var manifest = Resources.Load<TextAsset>(Platform + "/" + file + ".bytes").text;
            
            File.WriteAllBytes(path + "/" + file + ".unity3d", data);

            
            File.WriteAllText(path + "/" + file + ".unity3d.manifest", manifest);

            Debug.Log("Path " +  path);
            //Debug.Log(path + "/" + file + ".unity3d");
        }
        /*for (int i = 0; i < _files.Length; i++)
        {
            
        }*/
    }
}