Unity C#打包AssetBundle与场景详解

using UnityEngine;using UnityEditor;using System.IO;/// <summary>/// 资源包打包工具/// <para>打包AssetBundle和场景(Unity 2018.2.20)</para>/// <para>ZhangYu 2019-02-26</para>/// </summary>public class AssetBundleBuilder{ [MenuItem("打包/Windows/资源包和场景")] public static void BuildAbsAndScenesWindows() {  BuildAbsAndScenes(BuildTarget.StandaloneWindows); } [MenuItem("打包/Android/资源包和场景")] public static void BuildAbsAndScenesAndroid() {  BuildAbsAndScenes(BuildTarget.Android); } [MenuItem("打包/IOS/资源包和场景")] public static void BuildAbsAndScenesIOS() {  BuildAbsAndScenes(BuildTarget.iOS); } [MenuItem("打包/Windows/资源包")] public static void BuildAbsWindows() {  BuildAssetBundles(BuildTarget.StandaloneWindows); } [MenuItem("打包/Android/资源包")] public static void BuildAbsAndroid() {  BuildAssetBundles(BuildTarget.Android); } [MenuItem("打包/IOS/资源包")] public static void BuildAbsIOS() {  BuildAssetBundles(BuildTarget.iOS); } [MenuItem("打包/Windows/场景")] public static void BuildScenesWindows() {  BuildScenes(BuildTarget.StandaloneWindows); } [MenuItem("打包/Android/场景")] public static void BuildScenesAndroid() {  BuildScenes(BuildTarget.Android); } [MenuItem("打包/IOS/场景")] public static void BuildScenesIOS() {  BuildScenes(BuildTarget.iOS); } // 打包AssetBundle和Scenes public static void BuildAbsAndScenes(BuildTarget platform) {  BuildAssetBundles(platform);  BuildScenes(platform); } // 打包AssetBundles private static void BuildAssetBundles(BuildTarget platform) {  // 输出路径  string outPath = Application.streamingAssetsPath + "/Abs";  if (!Directory.Exists(outPath)) Directory.CreateDirectory(outPath);  EditorUtility.DisplayProgressBar("信息", "打包资源包", 0f);  BuildPipeline.BuildAssetBundles(outPath, BuildAssetBundleOptions.DeterministicAssetBundle, platform);  AssetDatabase.Refresh();  Debug.Log("所有资源包打包完毕"); } // 打包Scenes private static void BuildScenes(BuildTarget platform) {  // 指定场景文件夹和输出路径  string scenePath = Application.dataPath + "/AbResources/Scenes";  string outPath = Application.streamingAssetsPath + "/Abs/";  if (Directory.Exists(scenePath)) {   // 创建输出文件夹   if (!Directory.Exists(outPath)) Directory.CreateDirectory(outPath);   // 查找指定目录下的场景文件   string[] scenes = GetAllFiles(scenePath, "*.unity");   for (int i = 0; i < scenes.Length; i++) {    string url = scenes[i].Replace("//", "/");    int index = url.LastIndexOf("/");    string scene = url.Substring(index + 1, url.Length - index - 1);    string msg = string.Format("打包场景{0}", scene);    EditorUtility.DisplayProgressBar("信息", msg, 0f);    scene = scene.Replace(".unity", ".scene");    Debug.Log(string.Format("打包场景{0}到{1}", url, outPath + scene));    BuildPipeline.BuildPlayer(scenes, outPath + scene, BuildTarget.StandaloneWindows, BuildOptions.BuildAdditionalStreamedScenes);    AssetDatabase.Refresh();   }   EditorUtility.ClearProgressBar();   Debug.Log("所有场景打包完毕");  } } /// <summary> 获取文件夹和子文件夹下所有指定类型文件 </summary> private static string[] GetAllFiles(string directory, params string[] types) {  if (!Directory.Exists(directory)) return new string[0];  string searchTypes = (types == null || types.Length == 0) ? "*.*" : string.Join("|", types);  string[] names = Directory.GetFiles(directory, searchTypes, SearchOption.AllDirectories);  return names; }}

using UnityEngine;using UnityEngine.SceneManagement;public class LoadTest : MonoBehaviour { private void Start () {  LoadAB();  LoadScene(); } // 加载资源包 private void LoadAB() {  // 资源包路径  string path = Application.streamingAssetsPath + "/Abs/test.ab";  // WWW下载  Http http = gameObject.AddComponent<Http>();  http.get(path, OnLoadABComplete); } // 加载场景 private void LoadScene() {  // 资源包路径  string path = Application.streamingAssetsPath + "/Abs/Test.scene";  // WWW下载  Http http = gameObject.AddComponent<Http>();  http.get(path, OnLoadSceneComplete); } // 加载AssetBundle完毕 private void OnLoadABComplete(WWW www) {  // 实例化预制  AssetBundle ab = www.assetBundle;  Object prefab = ab.LoadAsset("Test");  GameObject instance = (GameObject)Instantiate(prefab);  DontDestroyOnLoad(instance); } // 加载场景完毕 private void OnLoadSceneComplete(WWW www) {  // 必须写www.assetBundle这句 这样场景才能被读取到  AssetBundle ab = www.assetBundle;  SceneManager.LoadScene("Test"); }}