//此脚本放在“Asset/Editor”
using System.IO;
using UnityEditor;
public class CreateAB
{
[MenuItem("Assets/Build AssetBundles")]
static void BuildAllAssetBuundles()
{
string dir = "AssetBundles";
if (Directory.Exists (dir)==false)
{
Directory.CreateDirectory(dir);
}
BuildPipeline.BuildAssetBundles(dir, BuildAssetBundleOptions.None, BuildTarget.StandaloneWindows64);
}
}
////////////////////////////////////////////////////////
//加载
using System.Collections;
using System.Collections.Generic;
using System.IO;
using UnityEngine;
using UnityEngine.Networking;
public class LoadFormFile : MonoBehaviour
{
IEnumerator Start()//异步加载使用协同程序调用
//private void Start()
{
//string path1 = "AssetBundles / mt.wei";
string path = "AssetBundles/tree.wei";
//示例：通过本地路径加载AB包
/AssetBundle ab1 = AssetBundle.LoadFromFile("AssetBundles/mt.wei");//存在依赖包时，所依赖的资源包也需要加载
AssetBundle ab = AssetBundle.LoadFromFile("AssetBundles/tree.wei");//文件路径
GameObject tree = ab.LoadAsset
GameObject go = Instantiate(tree);
go.transform.SetParent(this.transform );
//遍历生成AB报中所有物体并生成
/*Object[] obj = ab.LoadAllAssets();
foreach (Object item in obj)
{
Instantiate(item);
}*/
//第一种方式:通过内存加载AB包的方式：AssetBundle.LoadFromMemoryAsync
//异步加载
/*AssetBundleCreateRequest request = AssetBundle.LoadFromMemoryAsync(File.ReadAllBytes(path));
yield return request;
AssetBundle ab = request.assetBundle;*/
//同步加载
//AssetBundle ab = AssetBundle.LoadFromMemory(File.ReadAllBytes(path));
//第二种方式：通过本地文件加载AB包：
//异步加载
/*AssetBundleCreateRequest request = AssetBundle.LoadFromFileAsync(path);
yield return request;
AssetBundle ab = request.assetBundle;*/
//同步加载（示例）
//AssetBundle ab = AssetBundle.LoadFromFile(path);
////////////网络加载////////////
//第三种方式：WWW.LoadFromCacheOrDownload（异步加载(IEnumerator)）
/*WWW www = WWW.LoadFromCacheOrDownload(@"file:///D:\715\3DFreeWord\AssetBundles\tree.wei",1);
yield return www;
AssetBundle ab = www.assetBundle;*/
//第四种方式：UnityWebRequest（异步执行(IEnumerator)）
string uri = @"file:///D:\715\3DFreeWord\AssetBundles\tree.wei";
UnityWebRequest request = UnityWebRequestAssetBundle.GetAssetBundle(uri);
yield return request.Send();
//AssetBundle ab = DownloadHandlerAssetBundle.GetContent(request);//获取方式一
AssetBundle ab = (request.downloadHandler as DownloadHandlerAssetBundle).assetBundle;//获取方式二
//使用里面的资源
GameObject tree = ab.LoadAsset<GameObject>("Tree 02");
GameObject go = Instantiate(tree/*, transform.position,Quaternion.identity*/);
go.transform.position = this.transform.position;
//通过Mainfest获取所有的依赖包
AssetBundle mainfestAB = AssetBundle.LoadFromFile("AssetBundles/AssetBundles");//加载AssetBundles文件
AssetBundleManifest mainfest = mainfestAB.LoadAsset
/foreach (string name in mainfest.GetAllAssetBundles())//获取所有的AB包，返回包名。
{
print(name);
}/
string[] strs = mainfest.GetAllDependencies("tree.wei");//获取某个AB包所依赖的包，返回包名。
foreach (string name in strs)
{
print(name);
AssetBundle.LoadFromFile("AssetBundles/" + name);//加载所有的依赖包
}
}
}
