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网上找的一个不错的AssetBundle框架
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‎HotUpdate/AssetBundleFramework/Assets/Editor.meta

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‎HotUpdate/AssetBundleFramework/Assets/Editor/BuildeAssets.cs

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using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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using UnityEditor;
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using System.IO;
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using System;
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using System.Text;
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using System.Security.Cryptography;
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public class BuildeAssets
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{
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static List<AssetImporter> Bundle_Name = new List<AssetImporter>();
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static void Init()
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{
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Bundle_Name.Clear();
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AssetDatabase.RemoveUnusedAssetBundleNames(); //移除没有用的assetbundlename
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}
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[MenuItem("Tools/BuildeAsset")]
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static void Build()
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{
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Init();
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SetAssetBundleName();//设置选中物体的assetbundle名字
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BuildPipeline.BuildAssetBundles(GetBundleDirectory(), BuildAssetBundleOptions.ChunkBasedCompression, BuildTarget.StandaloneWindows);
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// SetManifestVersion();
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SetBundleVersionInfo();
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AssetDatabase.Refresh();
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}
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static string GetBundleDirectory()
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{
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string path = Application.streamingAssetsPath;
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if (!Directory.Exists(path))
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Directory.CreateDirectory(path);
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return path;
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}
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static void SetAssetBundleName()
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{
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UnityEngine.Object[] objs = Selection.objects;
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string[] path = new string[objs.Length];
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for (int i = 0; i < objs.Length; i++)
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{
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path[i] = AssetDatabase.GetAssetPath(objs[i]);
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SelectionVerifyResult(path[i]);
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}
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}
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static void SelectionVerifyResult(string strpath) //验证选中的东西，是不是包含.
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{
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string[] strs = strpath.Split('.'); //如果包含.的话，分割
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int idex = strs[0].LastIndexOf('/'); //得到这个包含.的选中的文件系统的父级所在的索引
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string parentDir = strs[0].Substring(0, idex);//父级目录
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DirectoryInfo directory = new DirectoryInfo(parentDir);
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FileSystemInfo[] fileSystemInfo = directory.GetFileSystemInfos(); //得到父级目录下的所有文件系统
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//将unity自动生成的.mete 文件剔除
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foreach (var item in fileSystemInfo)
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{
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if (!item.Name.Contains(".meta"))
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{
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//list.Add(item);
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if ((item as DirectoryInfo) != null) //是文件夹
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{
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//strpath是从Assets下级目录开始的，需要做一下处理
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if (item.FullName.Contains(WorkPathName(strpath)))//是刚刚选中的这个文件夹,查询他的子目录
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{
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CheckChildFileSystem(item.FullName);
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}
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}
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else //是文件
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{
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Debug.LogError("是文件==>" + item);
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SetAssetBuildName(item.FullName);
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}
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}
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}
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}
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static string WorkPathName(string strpath)
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{
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string[] strs = strpath.Split('/');
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return strs[strs.Length - 1];
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}
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/// <summary>
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/// 判断是否包含文件夹
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/// </summary>
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/// <param name="suf"></param>
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/// <returns></returns>
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static bool IsContainsDrictory(string suf) //判断是否包含文件夹
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{
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bool isSuf = false;
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if (suf.Contains("/")) //如果里边还包含文件夹
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{
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isSuf = true;
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}
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else
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{
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isSuf = false;
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}
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return isSuf;
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}
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static void CheckChildFileSystem(string pathname) //检查目录下的子目录
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{
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DirectoryInfo directoryInfo = new DirectoryInfo(pathname);
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FileSystemInfo[] fileSystemInfo = directoryInfo.GetFileSystemInfos();
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foreach (var item in fileSystemInfo)
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{
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if (!item.FullName.Contains(".meta"))
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{
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if ((item as DirectoryInfo) != null)//如果是文件夹
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{
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CheckChildFileSystem(item.FullName);
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}
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else //如果是文件
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{
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SetAssetBuildName(item.FullName);
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}
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}
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}
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}
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static void SetAssetBuildName(string pathname) //设置文件的bundle名字
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{
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//E:\Unity3Dproject\ManniuBlog\Assets\Prefab.s\Cube.prefab
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string strs = Application.dataPath;
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int index = pathname.LastIndexOf(pathname);
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string path = pathname.Substring(strs.Length + 1);
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string name = string.Empty;
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int ind = path.LastIndexOf('.');
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name = path.Substring(0, ind);
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//Debug.LogError(name);
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//这里一定要在Assets开始，全名或者没有都不行
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AssetImporter asset = AssetImporter.GetAtPath("Assets/" + path);
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if (asset != null)
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{
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asset.SetAssetBundleNameAndVariant(name, "bytes");
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}
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else
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{
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Debug.LogError("空");
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}
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// Bundle_Name.Add(GetBundleDirectory() + "/" + asset.assetBundleName + "." + asset.assetBundleVariant);
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Bundle_Name.Add(asset);
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}
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static void SetBundleVersionInfo()
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{
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AllBundleInfo allBundleInfo = new AllBundleInfo();
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allBundleInfo.BundleInfoList = new List<SingleBundleInfo>();
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foreach (var item in Bundle_Name)
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{
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allBundleInfo.BundleInfoList.Add( ComputeHashAndCRC(item));
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}
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allBundleInfo.BundleInfoList.Insert(0, ComputeManifestHashAndCRC(GetBundleDirectory() +"/"+GetBundleDirectory().Split('/')[GetBundleDirectory().Split('/').Length - 1]));
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string json = JsonUtil.Instance.ObjectToJson<AllBundleInfo>(allBundleInfo);//序列化为json
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WriteManifestJsonConfig(json);//写入配置文件
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}
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//static void SetManifestVersion()
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//{
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// string outPaht = GetBundleDirectory();
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// int index = outPaht.LastIndexOf('/');
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// string manifest = outPaht.Substring(index + 1);
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// string md5 = ComputeMD5(outPaht + "/" + manifest);
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// ComputeHashAndCRC(outPaht + "/" + manifest);
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// SingleBundleInfo info = new SingleBundleInfo();
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// info.bundleName = manifest;
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// // info.bundleMD5 = md5;
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// string json = JsonUtil.Instance.ObjectToJson<SingleBundleInfo>(info);
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// WriteManifestJsonConfig(json);
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//}
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//static string ComputeMD5(string fileName) //计算文件的MD5，网上直接摘得
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//{
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// string hashMD5 = string.Empty;
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// //检查文件是否存在，如果文件存在则进行计算，否则返回空值
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// if (File.Exists(fileName))
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// {
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// using (FileStream fs = new FileStream(fileName, FileMode.Open, FileAccess.Read))
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// {
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// //计算文件的MD5值
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// MD5 calculator = MD5.Create();
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// Byte[] buffer = calculator.ComputeHash(fs);
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// calculator.Clear();
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// //将字节数组转换成十六进制的字符串形式
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// StringBuilder stringBuilder = new StringBuilder();
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// for (int i = 0; i < buffer.Length; i++)
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// {
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// stringBuilder.Append(buffer[i].ToString("x2"));
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// }
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// hashMD5 = stringBuilder.ToString();
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// }//关闭文件流
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// }//结束计算
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// return hashMD5;
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//}
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///// <summary>
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///// 计算指定文件的SHA1值
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///// </summary>
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///// <param name="fileName">指定文件的完全限定名称</param>
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///// <returns>返回值的字符串形式</returns>
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//static String ComputeSHA1(String fileName)
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//{
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// String hashSHA1 = String.Empty;
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// //检查文件是否存在，如果文件存在则进行计算，否则返回空值
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// if (File.Exists(fileName))
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// {
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// using (FileStream fs = new FileStream(fileName, FileMode.Open, FileAccess.Read))
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// {
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// //计算文件的SHA1值
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// SHA1 calculator = SHA1.Create();
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// Byte[] buffer = calculator.ComputeHash(fs);
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// calculator.Clear();
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// //将字节数组转换成十六进制的字符串形式
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// StringBuilder stringBuilder = new StringBuilder();
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// for (int i = 0; i < buffer.Length; i++)
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// {
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// stringBuilder.Append(buffer[i].ToString("x2"));
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// }
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// hashSHA1 = stringBuilder.ToString();
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// }//关闭文件流
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// }
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// return hashSHA1;
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//}
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static SingleBundleInfo ComputeHashAndCRC(AssetImporter asset)
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{
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SingleBundleInfo info = new SingleBundleInfo();
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Hash128 hash128 = new Hash128();
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string fileName = GetBundleDirectory() + "/" + asset.assetBundleName + "." + asset.assetBundleVariant;
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if (BuildPipeline.GetHashForAssetBundle(fileName, out hash128))
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info.bundleHash128 = hash128.ToString();
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uint crc = new uint();
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if (BuildPipeline.GetCRCForAssetBundle(fileName, out crc))
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info.bundleCRC = crc;
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info.bundleName = asset.assetBundleName + "." + asset.assetBundleVariant;
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return info;
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}
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static SingleBundleInfo ComputeManifestHashAndCRC(string manifestName)
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{
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SingleBundleInfo info = new SingleBundleInfo();
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Hash128 hash128 = new Hash128();
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if (BuildPipeline.GetHashForAssetBundle(manifestName, out hash128))
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info.bundleHash128 = hash128.ToString();
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uint crc = new uint();
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if (BuildPipeline.GetCRCForAssetBundle(manifestName, out crc))
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info.bundleCRC = crc;
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info.bundleName = GetBundleDirectory().Split('/')[GetBundleDirectory().Split('/').Length-1];
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return info;
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}
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static void WriteManifestJsonConfig(string json)
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{
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string path = GetBundleDirectory() + "/ABconfig.json";
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byte[] bytes = Encoding.UTF8.GetBytes(json);
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FileStream fileStream = new FileStream(path, FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.ReadWrite);
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fileStream.BeginWrite(bytes, 0, bytes.Length,new AsyncCallback( delegate (IAsyncResult ar)
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{
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fileStream.EndWrite(ar);
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}) ,fileStream);
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}
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}

‎HotUpdate/AssetBundleFramework/Assets/Editor/BuildeAssets.cs.meta

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‎HotUpdate/AssetBundleFramework/Assets/Images.meta

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‎HotUpdate/AssetBundleFramework/Assets/Images/1151.jpg

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‎HotUpdate/AssetBundleFramework/Assets/Images/1151.jpg.meta

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‎HotUpdate/AssetBundleFramework/Assets/Materials.meta

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