Unity AB加载笔记

franciscochonge · 发表于 2021-3-31 18:30

using System.Collections;using System.Collections.Generic;using UnityEngine;using System.IO;using UnityEngine.Networking;public class LoadFromFileExample : MonoBehaviour{ // Start is called before the first frame update void Start() { //1.第二种加载AB的方式LoadFromFile同步加载(本地加载) //AssetBundle ab2 = AssetBundle.LoadFromFile("AssetBundles/share.unity3d"); //AssetBundle ab = AssetBundle.LoadFromFile("AssetBundles/cubewall.unity3d"); //GameObject wallPrefab = ab.LoadAsset<GameObject>("cubeWall"); //Instantiate(wallPrefab); ////第一种加载AB的方式LoadFromMemory同步加载(当AB包使用UDP或者TCP协议的时候可以运用此方法) //string path = "AssetBundles/cubewall.unity3d"; //AssetBundle ab = AssetBundle.LoadFromMemory(File.ReadAllBytes(path)); //GameObject wallPrefab = ab.LoadAsset<GameObject>("cubewall"); //Instantiate(wallPrefab); StartCoroutine(LoadUnityWebRequest()); } IEnumerator StartFromMemoryAsync() { //第一种加载AB的方式LoadFromMemoryAsync异步加载(当AB包使用UDP或者TCP协议的时候可以运用此方法) string path = "AssetBundles/cubewall.unity3d"; AssetBundleCreateRequest request = AssetBundle.LoadFromMemoryAsync(File.ReadAllBytes(path)); yield return request; AssetBundle ab = request.assetBundle; //使用里面的资源 GameObject wallPrefab = ab.LoadAsset<GameObject>("cubewall"); Instantiate(wallPrefab); } IEnumerator StartFromFileAsync() { //1.第二种加载的方式LoadFromFileAsync异步加载(本地加载) string path = "AssetBundles/cubewall.unity3d"; AssetBundleCreateRequest request = AssetBundle.LoadFromFileAsync(path); yield return request; AssetBundle ab = request.assetBundle; //使用资源 GameObject wallPrefab = ab.LoadAsset<GameObject>("cubewall"); Instantiate(wallPrefab); } IEnumerator WWWLoadFrom() { //此方法已弃用 string path = "AssetBundles/cubewall.unity3d"; //第三种加载AB的方式WWW while (Caching.ready == false) { yield return null; } //fiel:// fiel:/// //WWW www = WWW.LoadFromCacheOrDownload(@"file:///O:\测试\AssetBundleTestProject\AssetBundles\cubewall.unity3d", 1); WWW www = WWW.LoadFromCacheOrDownload(@"http://localhost/AssetBundles/cubewall.unity3d", 1); //访问服务器资源 yield return www; if (string.IsNullOrEmpty(www.error) == false) { Debug.Log(www.error); yield break; } AssetBundle ab = www.assetBundle; //使用资源 GameObject wallPrefab = ab.LoadAsset<GameObject>("cubewall"); Instantiate(wallPrefab); } //第四种方式使用UnityWebRequest IEnumerator LoadUnityWebRequest() { //string uri = @"file:///O:\测试\AssetBundleTestProject\AssetBundles\cubewall.unity3d"; string uri = @"http://localhost/AssetBundles/cubewall.unity3d"; UnityWebRequest request = UnityWebRequestAssetBundle.GetAssetBundle(uri); yield return request.SendWebRequest(); AssetBundle ab = DownloadHandlerAssetBundle.GetContent(request); //使用资源 GameObject wallPrefab = ab.LoadAsset<GameObject>("cubewall"); Instantiate(wallPrefab); }}加载Manifest文件检查加载依赖包

IEnumerator LoadUnityWebRequest() { //string uri = @"file:///O:\测试\AssetBundleTestProject\AssetBundles\cubewall.unity3d"; string uri = @"http://localhost/AssetBundles/cubewall.unity3d"; UnityWebRequest request = UnityWebRequestAssetBundle.GetAssetBundle(uri); yield return request.SendWebRequest(); AssetBundle ab = DownloadHandlerAssetBundle.GetContent(request); //使用资源 GameObject wallPrefab = ab.LoadAsset<GameObject>("cubewall"); Instantiate(wallPrefab); //第一种方式本地加载Manifest文件检查加载依赖包 //AssetBundle manifestAB = AssetBundle.LoadFromFile("AssetBundles/AssetBundles"); //AssetBundleManifest manifest = manifestAB.LoadAsset<AssetBundleManifest>("AssetBundleManifest"); //string[] strs = manifest.GetDirectDependencies("cubewall.unity3d"); //foreach (string name in strs) //{ // print(name); // AssetBundle.LoadFromFile("AssetBundles/"+name); //} //第二种方式加载服务器Manifest文件检查加载依赖包 UnityWebRequest request_1 = UnityWebRequestAssetBundle.GetAssetBundle(@"http://localhost/AssetBundles/AssetBundles"); yield return request_1.SendWebRequest(); AssetBundle ab_1 = DownloadHandlerAssetBundle.GetContent(request_1); AssetBundleManifest manifest = ab_1.LoadAsset<AssetBundleManifest>("AssetBundleManifest"); string[] strs = manifest.GetDirectDependencies("cubewall.unity3d"); foreach (string name in strs) { print(name); UnityWebRequest request_2 = UnityWebRequestAssetBundle.GetAssetBundle(@"http://localhost/AssetBundles/"+name); yield return request_2.SendWebRequest(); AssetBundle ab_2 = DownloadHandlerAssetBundle.GetContent(request_2); } }

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