AssetBundle的使用

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

public class EditorPackageScript : EditorWindow
{
    private static EditorPackageScript myWindow;
    [MenuItem("Resource/PackageWindow")]
    static void Package()
    {
        myWindow = EditorWindow.GetWindow(typeof(EditorPackageScript), false, "Bundle") as EditorPackageScript;
    }

    private Object[] SelelctObjs;
    void OnGUI()
    {
       if(GUI.Button(new Rect(0,20, Screen.width/2, 30),"PackageToOne"))
       {
           SelelctObjs = Selection.objects;
           PackageToOne();
       }
       if (GUI.Button(new Rect(0, 70, Screen.width / 2, 30), "PackageToEvery"))
       {
           SelelctObjs = Selection.objects;
           PackageToEvery();
       }

    }

    private void PackageToOne()
    {
        AssetBundleBuild[] bundles = new AssetBundleBuild[1];
        string[] names = new string[SelelctObjs.Length];
        for (int i = 0; i < SelelctObjs.Length; i++)
        {

            names[i] = AssetDatabase.GetAssetPath(SelelctObjs[i]);
        }
        bundles[0].assetBundleName = "SelectAllObjs";
        bundles[0].assetNames = names;
        if (!Directory.Exists(Application.dataPath + "/Package"))
        {
            Directory.CreateDirectory(Application.dataPath + "/Package");
        }
        if(!Directory.Exists(Application.dataPath + "/Package/AllObjects"))
        {
            Directory.CreateDirectory(Application.dataPath + "/Package/AllObjects");
        }
        BuildPipeline.BuildAssetBundles(Application.dataPath + "/Package/AllObjects", bundles);
    }

    private void PackageToEvery()
    {
        AssetBundleBuild[] bundles = new AssetBundleBuild[SelelctObjs.Length];
        for (int i = 0; i < SelelctObjs.Length;i++)
        {
            string[] names = new string[1];
            names[0] = AssetDatabase.GetAssetPath(SelelctObjs[i]);
            bundles[i].assetNames = names;
            bundles[i].assetBundleName = SelelctObjs[i].name;
        }
        if (!Directory.Exists(Application.dataPath + "/Package"))
        {
            Directory.CreateDirectory(Application.dataPath + "/Package");
        }
        BuildPipeline.BuildAssetBundles(Application.dataPath + "/Package", bundles);
    }

}

using UnityEngine;
using System.Collections;
using UnityEditor;

public class DownloadAssetDate : MonoBehaviour
{
    private string baseURL;
    void Start()
    {
        Caching.CleanCache();
        baseURL = "file:///" + Application.dataPath + "/Package/"; //基础路径
        StartCoroutine(LoadAssetDatas()); //加载各个打包的资源
        StartCoroutine(LoadAssetData());  //加载成打包成为一个的资源
        for(int i = 0; i < DataShareScript.LoadedData.Count; i++)
        {
            print(DataShareScript.LoadedData[0].name);
        }
    }

    IEnumerator LoadAssetDatas()
    {
        WWW www = WWW.LoadFromCacheOrDownload(baseURL + "Package", 1);
        yield return www;
        if (www.error != null) //出现错误信息
        {
            DataShareScript.errorMessage = www.error;
            yield break;
        }
        AssetBundle mainBundle = www.assetBundle;
         AssetBundleManifest mainfest = mainBundle.LoadAsset("AssetBundleManifest") as AssetBundleManifest;
         string[] mainObjs = mainfest.GetAllAssetBundles();
         for (int i = 0; i < mainObjs.Length; i++)
         {
             www = WWW.LoadFromCacheOrDownload(baseURL + mainObjs[i], 1);
             yield return www;
             if (www.error != null) //出现错误信息
             {
                 DataShareScript.errorMessage = www.error;
                 yield break;
             }
             AssetBundle bundle = www.assetBundle;
             Object obj = bundle.LoadAsset(mainObjs[i]);
             DataShareScript.LoadedData.Add(obj);
         }
    }

    IEnumerator LoadAssetData()
    {
        WWW www = WWW.LoadFromCacheOrDownload(baseURL + "AllObjects/AllObjects", 1);
        yield return www;
        if (www.error != null) //出现错误信息
        {
            DataShareScript.errorMessage = www.error;
            yield break;
        }
        AssetBundle bundle = www.assetBundle;
        AssetBundleManifest mainFest = bundle.LoadAsset("AssetBundleManifest") as AssetBundleManifest;
        string[] names = mainFest.GetAllAssetBundles();
        for (int i = 0; i < names.Length; i++)
        {
            www = WWW.LoadFromCacheOrDownload(baseURL + "AllObjects/" + names[i], 1);
            yield return www;
            AssetBundle b = www.assetBundle;
            Object[] Obj = b.LoadAllAssets();
            for(int j = 0; j< Obj.Length;  j++)
            {
                DataShareScript.LoadedData.Add(Obj[i]);
            }
        }
    }

}

using UnityEngine;
using System.Collections;
using System.Collections.Generic;

public class DataShareScript //用来让各个脚本之间的变量共享
{
    public static string errorMessage;
    public static List<Object> LoadedData = new List<Object>();
}