AB包

Posted 2021-01-19 hpu001

好久没弄AssetBundle了 最近又试了下，发现打包和加载还是比之前的变化蛮大的，都差点弄不出来。

废话也不多说了直接上代码，注释比较多，基本在代码中就能看懂了

打包

 

DoAssetbundle.cs

 

 

 

C#

 

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using UnityEngine; using System.Collections; using UnityEditor; using System.IO;   public class DoAssetbundle : MonoBehaviour {            /// <summary>     /// 查看所有的Assetbundle名称（设置Assetbundle Name的对象）     /// </summary>     [MenuItem("AssetBundle/Get AssetBundle names")]     static void GetNames()     {         var names = AssetDatabase.GetAllAssetBundleNames(); //获取所有设置的AssetBundle         foreach (var name in names)             Debug.Log("AssetBundle: " + name);     }       /// <summary>     /// 自动打包所有资源（设置了Assetbundle Name的资源）     /// </summary>     [MenuItem("AssetBundle/Create PC AssetBundles")] //设置编辑器菜单选项     static void CreateAllAssetBundles()     {         //打包资源的路径，打包在对应平台的文件夹下         string targetPath = Application.dataPath + "/StreamingAssets/PCAssetsResources/";         if(!Directory.Exists(targetPath))         {             Directory.CreateDirectory(targetPath);         }           //打包资源         BuildPipeline.BuildAssetBundles(targetPath, BuildAssetBundleOptions.None, BuildTarget.StandaloneWindows);                  //刷新编辑器         AssetDatabase.Refresh();     }     [MenuItem("AssetBundle/Create android AssetBundles")] //设置编辑器菜单选项     static void CreateAndroidAssetBundles()     {         //打包资源的路径，打包在对应平台的文件夹下         string targetPath = Application.dataPath + "/StreamingAssets/AndroidAssetsResources/";         if (!Directory.Exists(targetPath))         {             Directory.CreateDirectory(targetPath);         }           //打包资源         BuildPipeline.BuildAssetBundles(targetPath, BuildAssetBundleOptions.None, BuildTarget.Android);           //刷新编辑器         AssetDatabase.Refresh();     }     [MenuItem("AssetBundle/Create ios AssetBundles")] //设置编辑器菜单选项     static void CreateIOSAssetBundles()     {         //打包资源的路径，打包在对应平台的文件夹下         string targetPath = Application.dataPath + "/StreamingAssets/IOSAssetsResources/";         if (!Directory.Exists(targetPath))         {             Directory.CreateDirectory(targetPath);         }           //打包资源         BuildPipeline.BuildAssetBundles(targetPath, BuildAssetBundleOptions.None, BuildTarget.iOS);           //刷新编辑器         AssetDatabase.Refresh();     }       /// <summary>     /// 将某一文件夹中的资源进行分离打包，即把依赖资源分离出来打包     /// </summary>     [MenuItem("AssetBundle/Set Main AssetbundleName")]     public static void SetMainAssetBundleName()     {         string fullPath = Application.dataPath + "/AssetBundle/MainAssets/";    //将Assets/Prefab/文件夹下的所有预设进行打包           SetAssetBundleName(fullPath, true);     }       /// <summary>     /// 将某一文件夹中的资源进行整体打包，即不分离依赖资源，全部打成一个资源包     /// </summary>     [MenuItem("AssetBundle/Set Total Assetbundle Name")]     public static void SetTotalAssetBundleName()     {         string fullPath = Application.dataPath + "/AssetBundle/TotalAssets/";    //将Assets/Prefab/文件夹下的所有预设进行打包           SetAssetBundleName(fullPath, false);     }         /// <summary>     /// 设置资源的资源包名称     /// </summary>     /// <param name="path">资源主路径</param>     /// <param name="ContainDependences">资源包中是否包含依赖资源的标志位：true表示分离打包，false表示整体打包</param>     static void SetAssetBundleName(string path, bool ContainDependences = false)     {         //ClearAssetBundlesName();    //先清楚之前设置过的AssetBundleName，避免产生不必要的资源也打包           if (Directory.Exists(path))         {             EditorUtility.DisplayProgressBar("设置AssetName名称", "正在设置AssetName名称中...", 0f);   //显示进程加载条             DirectoryInfo dir = new DirectoryInfo(path);    //获取目录信息             FileInfo[] files = dir.GetFiles("*", SearchOption.AllDirectories);  //获取所有的文件信息             for (var i = 0; i < files.Length; ++i)             {                 FileInfo fileInfo = files[i];                 EditorUtility.DisplayProgressBar("设置AssetName名称", "正在设置AssetName名称中...", 1f * i / files.Length);                 if (!fileInfo.Name.EndsWith(".meta"))   //判断去除掉扩展名为“.meta”的文件                 {                     string basePath = "Assets" + fileInfo.FullName.Substring(Application.dataPath.Length);  //编辑器下路径Assets/..                     string assetName = fileInfo.FullName.Substring(path.Length);  //预设的Assetbundle名字，带上一级目录名称                     assetName = assetName.Substring(0, assetName.LastIndexOf(‘.‘)); //名称要去除扩展名                     assetName = assetName.Replace(‘\‘, ‘/‘);   //注意此处的斜线一定要改成反斜线，否则不能设置名称                     AssetImporter importer = AssetImporter.GetAtPath(basePath);                     if (importer && importer.assetBundleName != assetName)                     {                         importer.assetBundleName = assetName;  //设置预设的AssetBundleName名称                         //importer.SaveAndReimport();                     }                     //Debug.Log("主资源的路径：" + basePath);                     if (ContainDependences)    //把依赖资源分离打包                     {                         //获得他们的所有依赖，不过AssetDatabase.GetDependencies返回的依赖是包含对象自己本身的                         string[] dps = AssetDatabase.GetDependencies(basePath); //获取依赖的相对路径Assets/...                         Debug.Log(string.Format("There are {0} dependencies!", dps.Length));                         //遍历设置依赖资源的Assetbundle名称，用哈希Id作为依赖资源的名称                         for (int j = 0; j < dps.Length; j++)                         {                             Debug.Log(dps[j]);                             //要过滤掉依赖的自己本身和脚本文件，自己本身的名称已设置，而脚本不能打包                             if (dps[j].Contains(assetName) || dps[j].Contains(".cs"))                                 continue;                             else                             {                                 AssetImporter importer2 = AssetImporter.GetAtPath(dps[j]);                                 string dpName = AssetDatabase.AssetPathToGUID(dps[j]);  //获取依赖资源的哈希ID                                 importer2.assetBundleName = "alldependencies/" + dpName;                                 //importer2.SaveAndReimport();                             }                         }                     }                                      }             }               EditorUtility.ClearProgressBar();   //清除进度条             //接下来再全部打包             //BuildAllAssetBundles();         }     }       /// <summary>     /// 清除之前设置过的AssetBundleName，避免产生不必要的资源也打包     /// 因为只要设置了AssetBundleName的，都会进行打包，不论在什么目录下     /// </summary>     [MenuItem("AssetBundle/Clear All Assetbundle Name")]     public static void ClearAssetBundlesName()     {         string[] oldAssetBundleNames = AssetDatabase.GetAllAssetBundleNames();         for (int j = 0; j < oldAssetBundleNames.Length; j++)         {             AssetDatabase.RemoveAssetBundleName(oldAssetBundleNames[j], true);         }     }        }     //获取打包的平台 public class PlatformPath {     /// <summary>     /// 获取打包的平台，根据平台设置打包的文件夹名称     /// </summary>     /// <param name="target"></param>     /// <returns></returns>     public static string GetPlatformFolder(BuildTarget target)     {         switch (target)         {             case BuildTarget.Android:                 return "Android";             case BuildTarget.iOS:                 return "IOS";             case BuildTarget.WebPlayer:                 return "WebPlayer";             case BuildTarget.StandaloneWindows:             case BuildTarget.StandaloneWindows64:                 return "Windows";             case BuildTarget.StandaloneOSXIntel:             case BuildTarget.StandaloneOSXIntel64:             case BuildTarget.StandaloneOSXUniversal:                 return "OSX";             default: return null;         }     } }

加载

LoadBundle.cs

 

 

 

 

C#

 

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using UnityEngine; using System.Collections; using System.IO; using UnityEngine.UI; using System;   public class LoadBundle : MonoBehaviour { void Start () {        StartCoroutine(GetData()); }       IEnumerator GetData()         //服务端     {         //服务端用WWW加载 直接输入IP+对应的文件夹         WWW windowswww = new WWW("http://127.0.0.1/" + "PCAssetsResources/PCAssetsResources");         yield return windowswww;         AssetBundleManifest windowsasset = windowswww.assetBundle.LoadAsset("PCAssetsResources") as AssetBundleManifest;//这里对于新手来说特别重要！         //加载出对应的 AssetBundleManifest后才能再加载需要的Bundle文件 一定要注意         //AssetBundleManifest为路径目录的上一级文件夹 记录bundle的关联信息           WWW cubewww = new WWW("http://127.0.0.1/" + "PCAssetsResources/particle.unity3d");         //加载完总的依赖后，就可以进一步加载我们需要的资源包了         yield return cubewww;         GameObject obj = cubewww.assetBundle.LoadAsset("EasyAR_Startup") as GameObject;         //然后在加载完资源包后，就可以通过loadasset的方法去load出我们的资源         Instantiate(obj);       }     IEnumerator NoCacheingDownloadAsset()        //本地端     {         //PC端用WWW加载 必须路径前加 file:// 此处一定要注意，是一个坑         WWW windowswww = new WWW("file://" + Application.dataPath + "/StreamingAssets/PCAssetsResources/PCAssetsResources");//Application.dataPath 当前工程目录         yield return windowswww;         AssetBundleManifest windowsasset = windowswww.assetBundle.LoadAsset("PCAssetsResources") as AssetBundleManifest;//这里对于新手来说特别重要！         //加载出对应的 AssetBundleManifest后才能再加载需要的Bundle文件 一定要注意         //AssetBundleManifest为路径目录的上一级文件夹 记录bundle的关联信息           WWW cubewww = new WWW("file://" + Application.dataPath + "/StreamingAssets/PCAssetsResources/particle.unity3d");//加载完总的依赖后，就可以进一步加载我们需要的资源包了         yield return cubewww;         GameObject obj = cubewww.assetBundle.LoadAsset("EasyAR_Startup") as GameObject;//然后在加载完资源包后，就可以通过loadasset的方法去load出我们的资源         Instantiate(obj);     } }