制作一个承载想法的东西（六）——使用Addressables进行热更新(1.18.4)

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一、描述

游戏更新就是在游戏启动时或某一时机，触发程序去获取更新的列表类容，然后把新的东西全部下载到本地。而Addressable的机制似乎是为了当用到的时候才去下载对应的资源，这样好像不太友好，Bundle包大一点的就卡定在那里了。

我尝试过，把组设置成Local的形式，Bundle打进了包体里面，而对这些Local组的Bundle做更新的话据需要做增量包，Addressable可以识别而动态生成Remote的远程组生成远程Bundle，但是每次都要做这样的增量包，组会越来越多，且不容易管理。

后来我再尝试把组都设置成Remote，结果Bundle不打进包体里面，再程序运行的时候需要用时才去下载，就算你用特殊手段把Bundle干进包体里，Load Path记录的也是远程的地址，当你使用到某个资源时还是会走远程下载。

所以为了实现，不做增量包（方便管理），使用整Bundle的形式更新，设置成Remote形式也能打进包里，并能正确的加载内置的Bundle，需要自定义Addressable的打包和加载Bundle。

二、一键动态标志资源地址

工具类，这是网上找的，可以动态的创建或删除组，为资源添加label 加入到组。

using System.Collections.Generic;
using UnityEditor.AddressableAssets.Settings;
using UnityEngine;

public class AASUtility : UnityEditor.Editor
{
    public static UnityEditor.AddressableAssets.Settings.AddressableAssetSettings GetSettings()
    {
        //アドレサブルアセットセッティング取得
        var d = UnityEditor.AssetDatabase.LoadAssetAtPath<UnityEditor.AddressableAssets.Settings.AddressableAssetSettings>(
            "Assets/AddressableAssetsData/AddressableAssetSettings.asset"
            );
        return d;
    }


    public static UnityEditor.AddressableAssets.Settings.AddressableAssetGroup CreateGroup(string groupName, bool setAsDefaultGroup = false)
    {
        //アドレサブルアセットセッティング取得
        var s = GetSettings();
        //スキーマ生成
        List<UnityEditor.AddressableAssets.Settings.AddressableAssetGroupSchema> schema = new List<UnityEditor.AddressableAssets.Settings.AddressableAssetGroupSchema>() {
             ScriptableObject.CreateInstance<UnityEditor.AddressableAssets.Settings.GroupSchemas.BundledAssetGroupSchema>(),
             ScriptableObject.CreateInstance<UnityEditor.AddressableAssets.Settings.GroupSchemas.ContentUpdateGroupSchema>(),
        };
        //グループの作成
        var f = s.groups.Find((g) => {
            return g.name == groupName;
        });
        if (f == null)
        {
            f = s.CreateGroup(groupName, setAsDefaultGroup, false, true, schema);
        }

        return f;
    }

    public static AddressableAssetEntry AddAssetToGroup(string assetGuid, string groupName)
    {
        if (assetGuid.Equals(""))
        {
            Debug.Log($"assetGuid is empty, groupName: {groupName}");
            return null;
        }
        var s = GetSettings();
        var g = CreateGroup(groupName);
        var entry = s.CreateOrMoveEntry(assetGuid, g);
        return entry;
    }
    public static void SetLabelToAsset(List<string> assetGuidList, string label, bool flag)
    {
        var s = GetSettings();
        //ラベルを追加するように呼んでおく。追加されていないと設定されない。
        s.AddLabel(label);
        List<UnityEditor.AddressableAssets.Settings.AddressableAssetEntry> assetList = new List<UnityEditor.AddressableAssets.Settings.AddressableAssetEntry>();
        s.GetAllAssets(assetList, true);
        foreach (var assetGuid in assetGuidList)
        {
            var asset = assetList.Find((a) => { return a.guid == assetGuid; });
            if (asset != null)
            {
                asset.SetLabel(label, flag);
            }
        }
    }
    public static void RemoveAssetFromGroup(string assetGuid)
    {
        var s = GetSettings();
        s.RemoveAssetEntry(assetGuid);
    }

    public static void RemoveAllGroups()
    {
        var s = GetSettings();
        var list = s.groups;
        List<AddressableAssetGroup> temp_list = new List<AddressableAssetGroup>();
        for (int i = list.Count - 1; i >= 0; i--)
        {
            temp_list.Add(list[i]);
        }
        for (int i = temp_list.Count - 1; i >= 0; i--)
        {
            s.RemoveGroup(temp_list[i]);
        }
    }

    //public static void AddGroup(string groupName, bool setAsDefaultGroup, bool readOnly, bool postEvent, List<AddressableAssetGroupSchema> schemasToCopy, params Type[] types)
    //{
    //    var s = GetSettings();
    //    s.CreateGroup(groupName, setAsDefaultGroup,readOnly,postEvent,schemasToCopy,types);
    //}

    public static void BuildPlayerContent()
    {
        //System.Threading.Thread.Sleep(30000);
        var d = GetSettings();
        d.ActivePlayerDataBuilderIndex = 3;
        //AddressableAssetSettings.CleanPlayerContent(d.ActivePlayerDataBuilder);
        AddressableAssetSettings.BuildPlayerContent();
    }

    public static void CleanPlayerContent()
    {
        // var d = GetSettings();
        // d.ActivePlayerDataBuilderIndex = 3;
        //AddressableAssetSettings.CleanPlayerContent(d.ActivePlayerDataBuilder);
        AddressableAssetSettings.CleanPlayerContent();
        UnityEditor.Build.Pipeline.Utilities.BuildCache.PurgeCache(false);
        // AssetImportMgr.OnDataBuilderComplete();
    }

    static public void Test()
    {
        var d = GetSettings();

        var matguid = UnityEditor.AssetDatabase.AssetPathToGUID("Assets/Data/hogeMat.mat");
        AddAssetToGroup(matguid, "CreatedGroup");
        ////List<string> assetGuidList = new List<string>() { matguid };
        ////SetLabelToAsset(assetGuidList, "mat", true);
        //CreateGroup("CreatedGroup");
    }
}

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using System.Collections.Generic;

using UnityEditor.AddressableAssets.Settings;

using UnityEngine;

public class AASUtility : UnityEditor.Editor

{

public static UnityEditor.AddressableAssets.Settings.AddressableAssetSettings GetSettings()

{

//アドレサブルアセットセッティング取得

var d = UnityEditor.AssetDatabase.LoadAssetAtPath<UnityEditor.AddressableAssets.Settings.AddressableAssetSettings>(

"Assets/AddressableAssetsData/AddressableAssetSettings.asset"

);

return d;

}

public static UnityEditor.AddressableAssets.Settings.AddressableAssetGroup CreateGroup(string groupName, bool setAsDefaultGroup = false)

{

//アドレサブルアセットセッティング取得

var s = GetSettings();

//スキーマ生成

List<UnityEditor.AddressableAssets.Settings.AddressableAssetGroupSchema> schema = new List<UnityEditor.AddressableAssets.Settings.AddressableAssetGroupSchema>() {

ScriptableObject.CreateInstance<UnityEditor.AddressableAssets.Settings.GroupSchemas.BundledAssetGroupSchema>(),

ScriptableObject.CreateInstance<UnityEditor.AddressableAssets.Settings.GroupSchemas.ContentUpdateGroupSchema>(),

};

//グループの作成

var f = s.groups.Find((g) => {

return g.name == groupName;

});

if (f == null)

{

f = s.CreateGroup(groupName, setAsDefaultGroup, false, true, schema);

}

return f;

}

public static AddressableAssetEntry AddAssetToGroup(string assetGuid, string groupName)

{

if (assetGuid.Equals(""))

{

Debug.Log($"assetGuid is empty, groupName: {groupName}");

return null;

}

var s = GetSettings();

var g = CreateGroup(groupName);

var entry = s.CreateOrMoveEntry(assetGuid, g);

return entry;

}

public static void SetLabelToAsset(List<string> assetGuidList, string label, bool flag)

{

var s = GetSettings();

//ラベルを追加するように呼んでおく。追加されていないと設定されない。

s.AddLabel(label);

List<UnityEditor.AddressableAssets.Settings.AddressableAssetEntry> assetList = new List<UnityEditor.AddressableAssets.Settings.AddressableAssetEntry>();

s.GetAllAssets(assetList, true);

foreach (var assetGuid in assetGuidList)

{

var asset = assetList.Find((a) => { return a.guid == assetGuid; });

if (asset != null)

{

asset.SetLabel(label, flag);

}

public static void RemoveAssetFromGroup(string assetGuid)

{

var s = GetSettings();

s.RemoveAssetEntry(assetGuid);

}

public static void RemoveAllGroups()

{

var s = GetSettings();

var list = s.groups;

List<AddressableAssetGroup> temp_list = new List<AddressableAssetGroup>();

for (int i = list.Count - 1; i >= 0; i--)

{

temp_list.Add(list[i]);

}

for (int i = temp_list.Count - 1; i >= 0; i--)

{

s.RemoveGroup(temp_list[i]);

}

//public static void AddGroup(string groupName, bool setAsDefaultGroup, bool readOnly, bool postEvent, List<AddressableAssetGroupSchema> schemasToCopy, params Type[] types)

//{

// var s = GetSettings();

// s.CreateGroup(groupName, setAsDefaultGroup,readOnly,postEvent,schemasToCopy,types);

//}

public static void BuildPlayerContent()

{

//System.Threading.Thread.Sleep(30000);

var d = GetSettings();

d.ActivePlayerDataBuilderIndex = 3;

//AddressableAssetSettings.CleanPlayerContent(d.ActivePlayerDataBuilder);

AddressableAssetSettings.BuildPlayerContent();

}

public static void CleanPlayerContent()

{

// var d = GetSettings();

// d.ActivePlayerDataBuilderIndex = 3;

//AddressableAssetSettings.CleanPlayerContent(d.ActivePlayerDataBuilder);

AddressableAssetSettings.CleanPlayerContent();

UnityEditor.Build.Pipeline.Utilities.BuildCache.PurgeCache(false);

// AssetImportMgr.OnDataBuilderComplete();

}

static public void Test()

{

var d = GetSettings();

var matguid = UnityEditor.AssetDatabase.AssetPathToGUID("Assets/Data/hogeMat.mat");

AddAssetToGroup(matguid, "CreatedGroup");

////List<string> assetGuidList = new List<string>() { matguid };

////SetLabelToAsset(assetGuidList, "mat", true);

//CreateGroup("CreatedGroup");

}

静态方法，提供给编辑器扩展菜单使用

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEditor;
using System.IO;
using UnityEditor.AddressableAssets.Settings.GroupSchemas;
using UnityEditor.AddressableAssets.Settings;
using UnityEngine.ResourceManagement.ResourceProviders;

public class AddressableTool
{
    private static string PackPath = Config.PackPath;
    private static string AssetDataPath = Config.AssetDataPath;
    private static Dictionary<string, bool> originGroups;
    private static Dictionary<string, AddressableAssetGroup> originGroupMaps;

    //严谨一级目录下有需要打包文件，全用二级目录做好分配
    public static void MarkAssets()
    {
        //AASUtility.RemoveAllGroups(); 不要移除所有的组 为改变guid 导致每次的bundle的hash都不一样

        //记录原来的组
        originGroups = new Dictionary<string, bool>();
        originGroupMaps = new Dictionary<string, AddressableAssetGroup>();
        var setting = AASUtility.GetSettings();
        var groups = setting.groups;
        if (groups != null)
        {
            foreach (var g in groups)
            {
                originGroups.Add(g.Name, false);
                originGroupMaps.Add(g.Name, g);
            }
        }

        string assetPath = Path.Combine(Application.dataPath, AssetDataPath);
        DirectoryInfo[] levelsDataDirs = new DirectoryInfo(assetPath).GetDirectories();
        foreach (var dir in levelsDataDirs)
        {
            MarkDir(dir, null);
            MarkLevelDataDir(dir);
        }

        //对比移除无用的组
        foreach (var iter in originGroups)
        {
            if (!iter.Value && originGroupMaps.ContainsKey(iter.Key))
            {
                setting.RemoveGroup(originGroupMaps[iter.Key]);
            }
        }

        SetAllGroupsToAssetBundleEncryptProvider();
        SetAllGroupsToRemoteNoStatic();
        AssetDatabase.SaveAssets();
    }

    private static void MarkLevelDataDir(DirectoryInfo dir)
    {
        string parentName = dir.Name;
        DirectoryInfo[] dirs = dir.GetDirectories();
        foreach (var d in dirs)
        {
            MarkDir(d, parentName);
        }
    }

    private static void MarkDir(DirectoryInfo dir,string parentName)
    {
        if (dir.Name == PackPath) return;
        string tipName = "";
        if (dir.Name == Config.HotUpdateDir)
        {
            tipName = Config.HotUpdateDir;
        }
        else if (dir.Name == Config.TableDataDir)
        {
            tipName = Config.TableDataDir;
        }
        
        List<string> allFiles = new List<string>();
        List<string> allFileGuids = new List<string>();
        string groudName = "";
        if(string.IsNullOrEmpty(parentName))
        {
            groudName = dir.Name;
            GetMarkFiles(allFiles, dir, false);
        }
        else
        {
            groudName = string.Format("{0}_{1}", parentName, dir.Name);
            GetMarkFiles(allFiles, dir);
        }

        if (allFiles.Count == 0)
        {
            return;
        }

        AASUtility.CreateGroup(groudName);
        if (originGroups.ContainsKey(groudName))
        {
            originGroups[groudName] = true;
        }

        foreach(var fileStr in allFiles)
        {
            string uFilePath = UtilityTool.ChangePath(fileStr);
            string guid = AssetDatabase.AssetPathToGUID(uFilePath);
            var entry = AASUtility.AddAssetToGroup(guid, groudName);
            entry.address = uFilePath.Replace("Assets/" + "LevelsData" + "/", "");
            allFileGuids.Add(guid);
        }

        if (!string.IsNullOrEmpty(tipName))
        {
            AASUtility.SetLabelToAsset(allFileGuids, tipName, true);
        }

        AASUtility.SetLabelToAsset(allFileGuids, "default", true);
    }

    private static void GetMarkFiles(List<string> list, DirectoryInfo dir, bool sub = true)
    {
        if (dir.Name == PackPath) return;

        FileInfo[] files = dir.GetFiles();
        foreach (var file in files)
        {
            if (file.FullName.EndsWith(".meta")) continue;
            list.Add(file.FullName);
        }
        
        if(!sub)
            return;

        DirectoryInfo[] dirs = dir.GetDirectories();
        foreach (var d in dirs)
        {
            GetMarkFiles(list, d);
        }
    }

    public static void MarkSelectFiles()
    {
        string[] guids = Selection.assetGUIDs;
        foreach (var guid in guids)
        {
            string path = AssetDatabase.GUIDToAssetPath(guid);
            Debug.Log(path);
            if (path.IndexOf(AssetDataPath) < 0)
                continue;

            string groupName = GetGroupNameByAssetPath(path);
            AASUtility.CreateGroup(groupName);

            var entry = AASUtility.AddAssetToGroup(guid, groupName);
            entry.address = path.Replace("Assets/" + "LevelsData" + "/", "");
        }
    }

    public static string GetGroupNameByAssetPath(string assetPath)
    {
        string[] dirs = assetPath.Split('/');
        string group = dirs[1];
        for (int i = 2; i < dirs.Length - 1; i++)
        {
            group = $"{group}.{dirs[i]}";
        }

        return group;
    }

    public static void SetAllGroupsToRemoteNoStatic()
    {
        AddressableAssetSettings settings = AASUtility.GetSettings();
        settings.OverridePlayerVersion = "999";
        foreach (var group in settings.groups)
        {
            SetGroupsSetting(group, true, true, BundledAssetGroupSchema.BundleNamingStyle.AppendHash,
                AddressableAssetSettings.kRemoteBuildPath, AddressableAssetSettings.kRemoteLoadPath, false);
        }
    }

    private static void SetGroupsSetting(AddressableAssetGroup group,
        bool UseAssetBundleCache,
        bool UseAssetBundleCrc,
        BundledAssetGroupSchema.BundleNamingStyle BundleNaming,
        string BuildPath,
        string LoadPath,
        bool StaticContent)
    {
        BundledAssetGroupSchema bundledAssetGroupSchema = group.GetSchema<BundledAssetGroupSchema>();
        if (bundledAssetGroupSchema == null)
        {
            bundledAssetGroupSchema = group.AddSchema<BundledAssetGroupSchema>();
        }
        //bundledAssetGroupSchema.IncludeInBuild = true;
        bundledAssetGroupSchema.UseAssetBundleCache = UseAssetBundleCache;
        bundledAssetGroupSchema.UseAssetBundleCrc = UseAssetBundleCrc;
        bundledAssetGroupSchema.UseAssetBundleCrcForCachedBundles = true;
        bundledAssetGroupSchema.BundleNaming = BundleNaming;
        bundledAssetGroupSchema.BuildPath.SetVariableByName(group.Settings, BuildPath);
        bundledAssetGroupSchema.LoadPath.SetVariableByName(group.Settings, LoadPath);
        bundledAssetGroupSchema.SetAssetBundleProviderType(typeof(MyAssetBundleProvider));
        EditorUtility.SetDirty(bundledAssetGroupSchema);
        ContentUpdateGroupSchema contentUpdateGroupSchema = group.GetSchema<ContentUpdateGroupSchema>();
        if (contentUpdateGroupSchema == null)
        {
            contentUpdateGroupSchema = group.AddSchema<ContentUpdateGroupSchema>();
        }
        contentUpdateGroupSchema.StaticContent = StaticContent;
        EditorUtility.SetDirty(contentUpdateGroupSchema);
    }

    private static void SetAllGroupsToAssetBundleEncryptProvider()
    {

        AddressableAssetSettings settings = AASUtility.GetSettings();
        foreach (var group in settings.groups)
        {
            BundledAssetGroupSchema bundledAssetGroupSchema = group.GetSchema<BundledAssetGroupSchema>();
            if (bundledAssetGroupSchema == null)
            {
                bundledAssetGroupSchema = group.AddSchema<BundledAssetGroupSchema>();
            }
            bundledAssetGroupSchema.SetAssetBundleProviderType(typeof(MyAssetBundleProvider));
            EditorUtility.SetDirty(bundledAssetGroupSchema);
        }
        AssetDatabase.SaveAssets();
        AssetDatabase.Refresh();
    }

    public static void BuildPlayerContent()
    {
        AASUtility.BuildPlayerContent();
    }
}

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using System.Collections;

using System.Collections.Generic;

using UnityEngine;

using UnityEditor;

using System.IO;

using UnityEditor.AddressableAssets.Settings.GroupSchemas;

using UnityEditor.AddressableAssets.Settings;

using UnityEngine.ResourceManagement.ResourceProviders;

public class AddressableTool

{

private static string PackPath = Config.PackPath;

private static string AssetDataPath = Config.AssetDataPath;

private static Dictionary<string, bool> originGroups;

private static Dictionary<string, AddressableAssetGroup> originGroupMaps;

//严谨一级目录下有需要打包文件，全用二级目录做好分配

public static void MarkAssets()

{

//AASUtility.RemoveAllGroups(); 不要移除所有的组为改变guid 导致每次的bundle的hash都不一样

//记录原来的组

originGroups = new Dictionary<string, bool>();

originGroupMaps = new Dictionary<string, AddressableAssetGroup>();

var setting = AASUtility.GetSettings();

var groups = setting.groups;

if (groups != null)

{

foreach (var g in groups)

{

originGroups.Add(g.Name, false);

originGroupMaps.Add(g.Name, g);

}

string assetPath = Path.Combine(Application.dataPath, AssetDataPath);

DirectoryInfo[] levelsDataDirs = new DirectoryInfo(assetPath).GetDirectories();

foreach (var dir in levelsDataDirs)

{

MarkDir(dir, null);

MarkLevelDataDir(dir);

}

//对比移除无用的组

foreach (var iter in originGroups)

{

if (!iter.Value && originGroupMaps.ContainsKey(iter.Key))

{

setting.RemoveGroup(originGroupMaps[iter.Key]);

}

SetAllGroupsToAssetBundleEncryptProvider();

SetAllGroupsToRemoteNoStatic();

AssetDatabase.SaveAssets();

}

private static void MarkLevelDataDir(DirectoryInfo dir)

{

string parentName = dir.Name;

DirectoryInfo[] dirs = dir.GetDirectories();

foreach (var d in dirs)

{

MarkDir(d, parentName);

}

private static void MarkDir(DirectoryInfo dir,string parentName)

{

if (dir.Name == PackPath) return;

string tipName = "";

if (dir.Name == Config.HotUpdateDir)

{

tipName = Config.HotUpdateDir;

}

else if (dir.Name == Config.TableDataDir)

{

tipName = Config.TableDataDir;

}

List<string> allFiles = new List<string>();

List<string> allFileGuids = new List<string>();

string groudName = "";

if(string.IsNullOrEmpty(parentName))

{

groudName = dir.Name;

GetMarkFiles(allFiles, dir, false);

}

else

{

groudName = string.Format("{0}_{1}", parentName, dir.Name);

GetMarkFiles(allFiles, dir);

}

if (allFiles.Count == 0)

{

return;

}

AASUtility.CreateGroup(groudName);

if (originGroups.ContainsKey(groudName))

{

originGroups[groudName] = true;

}

foreach(var fileStr in allFiles)

{

string uFilePath = UtilityTool.ChangePath(fileStr);

string guid = AssetDatabase.AssetPathToGUID(uFilePath);

var entry = AASUtility.AddAssetToGroup(guid, groudName);

entry.address = uFilePath.Replace("Assets/" + "LevelsData" + "/", "");

allFileGuids.Add(guid);

}

if (!string.IsNullOrEmpty(tipName))

{

AASUtility.SetLabelToAsset(allFileGuids, tipName, true);

}

AASUtility.SetLabelToAsset(allFileGuids, "default", true);

}

private static void GetMarkFiles(List<string> list, DirectoryInfo dir, bool sub = true)

{

if (dir.Name == PackPath) return;

FileInfo[] files = dir.GetFiles();

foreach (var file in files)

{

if (file.FullName.EndsWith(".meta")) continue;

list.Add(file.FullName);

}

if(!sub)

return;

DirectoryInfo[] dirs = dir.GetDirectories();

foreach (var d in dirs)

{

GetMarkFiles(list, d);

}

public static void MarkSelectFiles()

{

string[] guids = Selection.assetGUIDs;

foreach (var guid in guids)

{

string path = AssetDatabase.GUIDToAssetPath(guid);

Debug.Log(path);

if (path.IndexOf(AssetDataPath) < 0)

continue;

string groupName = GetGroupNameByAssetPath(path);

AASUtility.CreateGroup(groupName);

var entry = AASUtility.AddAssetToGroup(guid, groupName);

entry.address = path.Replace("Assets/" + "LevelsData" + "/", "");

}

public static string GetGroupNameByAssetPath(string assetPath)

{

string[] dirs = assetPath.Split('/');

string group = dirs[1];

for (int i = 2; i < dirs.Length - 1; i++)

{

group = $"{group}.{dirs[i]}";

}

return group;

}

public static void SetAllGroupsToRemoteNoStatic()

{

AddressableAssetSettings settings = AASUtility.GetSettings();

settings.OverridePlayerVersion = "999";

foreach (var group in settings.groups)

{

SetGroupsSetting(group, true, true, BundledAssetGroupSchema.BundleNamingStyle.AppendHash,

AddressableAssetSettings.kRemoteBuildPath, AddressableAssetSettings.kRemoteLoadPath, false);

}

private static void SetGroupsSetting(AddressableAssetGroup group,

bool UseAssetBundleCache,

bool UseAssetBundleCrc,

BundledAssetGroupSchema.BundleNamingStyle BundleNaming,

string BuildPath,

string LoadPath,

bool StaticContent)

{

BundledAssetGroupSchema bundledAssetGroupSchema = group.GetSchema<BundledAssetGroupSchema>();

if (bundledAssetGroupSchema == null)

{

bundledAssetGroupSchema = group.AddSchema<BundledAssetGroupSchema>();

}

//bundledAssetGroupSchema.IncludeInBuild = true;

bundledAssetGroupSchema.UseAssetBundleCache = UseAssetBundleCache;

bundledAssetGroupSchema.UseAssetBundleCrc = UseAssetBundleCrc;

bundledAssetGroupSchema.UseAssetBundleCrcForCachedBundles = true;

bundledAssetGroupSchema.BundleNaming = BundleNaming;

bundledAssetGroupSchema.BuildPath.SetVariableByName(group.Settings, BuildPath);

bundledAssetGroupSchema.LoadPath.SetVariableByName(group.Settings, LoadPath);

bundledAssetGroupSchema.SetAssetBundleProviderType(typeof(MyAssetBundleProvider));

EditorUtility.SetDirty(bundledAssetGroupSchema);

ContentUpdateGroupSchema contentUpdateGroupSchema = group.GetSchema<ContentUpdateGroupSchema>();

if (contentUpdateGroupSchema == null)

{

contentUpdateGroupSchema = group.AddSchema<ContentUpdateGroupSchema>();

}

contentUpdateGroupSchema.StaticContent = StaticContent;

EditorUtility.SetDirty(contentUpdateGroupSchema);

}

private static void SetAllGroupsToAssetBundleEncryptProvider()

{

AddressableAssetSettings settings = AASUtility.GetSettings();

foreach (var group in settings.groups)

{

BundledAssetGroupSchema bundledAssetGroupSchema = group.GetSchema<BundledAssetGroupSchema>();

if (bundledAssetGroupSchema == null)

{

bundledAssetGroupSchema = group.AddSchema<BundledAssetGroupSchema>();

}

bundledAssetGroupSchema.SetAssetBundleProviderType(typeof(MyAssetBundleProvider));

EditorUtility.SetDirty(bundledAssetGroupSchema);

}

AssetDatabase.SaveAssets();

AssetDatabase.Refresh();

}

public static void BuildPlayerContent()

{

AASUtility.BuildPlayerContent();

}

三、自定义Bundle打包方式

新建脚本，继承自BuildScriptPackedMode，添加特性菜单，生成资源，重写3个方法，把这3个方法复制过来，并修改源码方法为virtual。

Name方法，修改返回的名字，就是你Build看见的名字。

BuildDataImplementation 这里修改的主要是初始化BuildInData，创建Resources/Version目录，存放BuildInData序列化后内容，然后打进包里。

PostProcessBundles 这里修改的主要是，把Bundle生成的名字记录到BuildInData（为准确加载准备，Bundle名字为组名+hash，所以可以直接判断名字），把打出来的Bundle复制到Library（因为都设置为远程加载了），使其可以复制到StreamAssets目录打进包里。

using System;
using System.Collections;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using UnityEditor.AddressableAssets.Build;
using UnityEditor.AddressableAssets.Build.DataBuilders;
using UnityEditor.AddressableAssets.Settings;
using UnityEditor.AddressableAssets.Settings.GroupSchemas;
using UnityEditor.Build.Pipeline.Interfaces;
using UnityEngine;
using UnityEngine.AddressableAssets;
using UnityEngine.AddressableAssets.Initialization;
using UnityEngine.AddressableAssets.ResourceLocators;
using UnityEngine.ResourceManagement.ResourceProviders;

[CreateAssetMenu(fileName = "MyBuildScriptPackedMode.asset", menuName = "Addressable Assets/Data Builders/MyBuildScriptPackedMode")]
public class MyBuildScriptPackedMode : BuildScriptPackedMode
{
    public override string Name
    {
        get { return "My Build"; }//自定义Build的名字
    }

    protected override TResult BuildDataImplementation<TResult>(AddressablesDataBuilderInput builderInput)
    {
        TResult result = default(TResult);

        var timer = new Stopwatch();
        timer.Start();
        InitializeBuildContext(builderInput, out AddressableAssetsBuildContext aaContext);

        using (m_Log.ScopedStep(LogLevel.Info, "ProcessAllGroups"))
        {
            var errorString = ProcessAllGroups(aaContext);
            if (!string.IsNullOrEmpty(errorString))
                result = AddressableAssetBuildResult.CreateResult<TResult>(null, 0, errorString);
        }

        /////START 初始化buildInData
        AssetBundleManager.GetInstance().buildInData = new BuildInBundleData();
        var targetDir = Path.Combine(Application.dataPath, "Resources");
        if (!Directory.Exists(targetDir))
            Directory.CreateDirectory(targetDir);

        targetDir = Path.Combine(targetDir, "Version");
        if (!Directory.Exists(targetDir))
            Directory.CreateDirectory(targetDir);

        var targetPath = Path.Combine(targetDir, "BuildInBundleName.bytes");
        if (File.Exists(targetPath))
        {
            File.Delete(targetPath);
        }
        /////END 初始化buildInData 


        if (result == null)
        {
            result = DoBuild<TResult>(builderInput, aaContext);
        }

        if (result != null)
            result.Duration = timer.Elapsed.TotalSeconds;
        
        ////START 序列化保存本次打包的内置包列表
        var BuildInJson = JsonUtility.ToJson(AssetBundleManager.GetInstance().buildInData);
        File.WriteAllText(targetPath, BuildInJson);
        ////END 序列化保存本次打包的内置包列表

        return result;
    }

    public override void PostProcessBundles(AddressableAssetGroup assetGroup, List<string> buildBundles, List<string> outputBundles, IBundleBuildResults buildResult, ResourceManagerRuntimeData runtimeData, List<ContentCatalogDataEntry> locations, FileRegistry registry, Dictionary<string, ContentCatalogDataEntry> primaryKeyToCatalogEntry, Dictionary<string, string> bundleRenameMap, List<Action> postCatalogUpdateCallbacks)
    {
        var schema = assetGroup.GetSchema<BundledAssetGroupSchema>();
        if (schema == null)
            return;

        var path = schema.BuildPath.GetValue(assetGroup.Settings);
        if (string.IsNullOrEmpty(path))
            return;

        for (int i = 0; i < buildBundles.Count; ++i)
        {
            if (primaryKeyToCatalogEntry.TryGetValue(buildBundles[i], out ContentCatalogDataEntry dataEntry))
            {
                var info = buildResult.BundleInfos[buildBundles[i]];
                var requestOptions = new AssetBundleRequestOptions
                {
                    Crc = schema.UseAssetBundleCrc ? info.Crc : 0,
                    UseCrcForCachedBundle = schema.UseAssetBundleCrcForCachedBundles,
                    UseUnityWebRequestForLocalBundles = schema.UseUnityWebRequestForLocalBundles,
                    Hash = schema.UseAssetBundleCache ? info.Hash.ToString() : "",
                    ChunkedTransfer = schema.ChunkedTransfer,
                    RedirectLimit = schema.RedirectLimit,
                    RetryCount = schema.RetryCount,
                    Timeout = schema.Timeout,
                    BundleName = Path.GetFileNameWithoutExtension(info.FileName),
                    BundleSize = GetFileSize(info.FileName),
                    ClearOtherCachedVersionsWhenLoaded = schema.AssetBundledCacheClearBehavior == BundledAssetGroupSchema.CacheClearBehavior.ClearWhenWhenNewVersionLoaded
                };
                dataEntry.Data = requestOptions;

                int extensionLength = Path.GetExtension(outputBundles[i]).Length;
                string[] deconstructedBundleName = outputBundles[i].Substring(0, outputBundles[i].Length - extensionLength).Split('_');
                string reconstructedBundleName = string.Join("_", deconstructedBundleName, 1, deconstructedBundleName.Length - 1) + ".bundle";

                outputBundles[i] = ConstructAssetBundleName(assetGroup, schema, info, reconstructedBundleName);
                dataEntry.InternalId = dataEntry.InternalId.Remove(dataEntry.InternalId.Length - buildBundles[i].Length) + outputBundles[i];
                dataEntry.Keys[0] = outputBundles[i];
                ReplaceDependencyKeys(buildBundles[i], outputBundles[i], locations);

                if (!m_BundleToInternalId.ContainsKey(buildBundles[i]))
                    m_BundleToInternalId.Add(buildBundles[i], dataEntry.InternalId);

                if (dataEntry.InternalId.StartsWith("http:\\"))
                    dataEntry.InternalId = dataEntry.InternalId.Replace("http:\\", "http://").Replace("\\", "/");
                if (dataEntry.InternalId.StartsWith("https:\\"))
                    dataEntry.InternalId = dataEntry.InternalId.Replace("https:\\", "https://").Replace("\\", "/");
            }
            else
            {
                UnityEngine.Debug.LogWarningFormat("Unable to find ContentCatalogDataEntry for bundle {0}.", outputBundles[i]);
            }

            UnityEngine.Debug.Log(outputBundles[i]);
            if (!AssetBundleManager.GetInstance().buildInData.BuildInBundleNames.Contains(outputBundles[i]))
            {
                //添加打包的Bundle记录,内置Bundle
                AssetBundleManager.GetInstance().buildInData.BuildInBundleNames.Add(outputBundles[i]);
            }

            var targetPath = Path.Combine(path, outputBundles[i]);
            var srcPath = Path.Combine(assetGroup.Settings.buildSettings.bundleBuildPath, buildBundles[i]);
            bundleRenameMap.Add(buildBundles[i], outputBundles[i]);
            CopyFileWithTimestampIfDifferent(srcPath, targetPath, m_Log);

            AddPostCatalogUpdatesInternal(assetGroup, postCatalogUpdateCallbacks, dataEntry, targetPath, registry);

            //复制到Library 打包到包里面
            string RuntimePath = UnityEngine.AddressableAssets.Addressables.RuntimePath;
            string destPath = Path.Combine(System.Environment.CurrentDirectory, RuntimePath, PlatformMappingService.GetPlatformPathSubFolder().ToString(), outputBundles[i]);
            if (!Directory.Exists(Path.GetDirectoryName(destPath)))
                Directory.CreateDirectory(Path.GetDirectoryName(destPath));
            if (!File.Exists(destPath))
            {
                File.Copy(targetPath, destPath);
            }

            registry.AddFile(targetPath);
        }
    }
}

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using System;

using System.Collections;

using System.Collections.Generic;

using System.Diagnostics;

using System.IO;

using UnityEditor.AddressableAssets.Build;

using UnityEditor.AddressableAssets.Build.DataBuilders;

using UnityEditor.AddressableAssets.Settings;

using UnityEditor.AddressableAssets.Settings.GroupSchemas;

using UnityEditor.Build.Pipeline.Interfaces;

using UnityEngine;

using UnityEngine.AddressableAssets;

using UnityEngine.AddressableAssets.Initialization;

using UnityEngine.AddressableAssets.ResourceLocators;

using UnityEngine.ResourceManagement.ResourceProviders;

[CreateAssetMenu(fileName = "MyBuildScriptPackedMode.asset", menuName = "Addressable Assets/Data Builders/MyBuildScriptPackedMode")]

public class MyBuildScriptPackedMode : BuildScriptPackedMode

{

public override string Name

{

get { return "My Build"; }//自定义Build的名字

}

protected override TResult BuildDataImplementation<TResult>(AddressablesDataBuilderInput builderInput)

{

TResult result = default(TResult);

var timer = new Stopwatch();

timer.Start();

InitializeBuildContext(builderInput, out AddressableAssetsBuildContext aaContext);

using (m_Log.ScopedStep(LogLevel.Info, "ProcessAllGroups"))

{

var errorString = ProcessAllGroups(aaContext);

if (!string.IsNullOrEmpty(errorString))

result = AddressableAssetBuildResult.CreateResult<TResult>(null, 0, errorString);

}

/////START 初始化buildInData

AssetBundleManager.GetInstance().buildInData = new BuildInBundleData();

var targetDir = Path.Combine(Application.dataPath, "Resources");

if (!Directory.Exists(targetDir))

Directory.CreateDirectory(targetDir);

targetDir = Path.Combine(targetDir, "Version");

if (!Directory.Exists(targetDir))

Directory.CreateDirectory(targetDir);

var targetPath = Path.Combine(targetDir, "BuildInBundleName.bytes");

if (File.Exists(targetPath))

{

File.Delete(targetPath);

}

/////END 初始化buildInData

if (result == null)

{

result = DoBuild<TResult>(builderInput, aaContext);

}

if (result != null)

result.Duration = timer.Elapsed.TotalSeconds;

////START 序列化保存本次打包的内置包列表

var BuildInJson = JsonUtility.ToJson(AssetBundleManager.GetInstance().buildInData);

File.WriteAllText(targetPath, BuildInJson);

////END 序列化保存本次打包的内置包列表

return result;

}

public override void PostProcessBundles(AddressableAssetGroup assetGroup, List<string> buildBundles, List<string> outputBundles, IBundleBuildResults buildResult, ResourceManagerRuntimeData runtimeData, List<ContentCatalogDataEntry> locations, FileRegistry registry, Dictionary<string, ContentCatalogDataEntry> primaryKeyToCatalogEntry, Dictionary<string, string> bundleRenameMap, List<Action> postCatalogUpdateCallbacks)

{

var schema = assetGroup.GetSchema<BundledAssetGroupSchema>();

if (schema == null)

return;

var path = schema.BuildPath.GetValue(assetGroup.Settings);

if (string.IsNullOrEmpty(path))

return;

for (int i = 0; i < buildBundles.Count; ++i)

{

if (primaryKeyToCatalogEntry.TryGetValue(buildBundles[i], out ContentCatalogDataEntry dataEntry))

{

var info = buildResult.BundleInfos[buildBundles[i]];

var requestOptions = new AssetBundleRequestOptions

{

Crc = schema.UseAssetBundleCrc ? info.Crc : 0,

UseCrcForCachedBundle = schema.UseAssetBundleCrcForCachedBundles,

UseUnityWebRequestForLocalBundles = schema.UseUnityWebRequestForLocalBundles,

Hash = schema.UseAssetBundleCache ? info.Hash.ToString() : "",

ChunkedTransfer = schema.ChunkedTransfer,

RedirectLimit = schema.RedirectLimit,

RetryCount = schema.RetryCount,

Timeout = schema.Timeout,

BundleName = Path.GetFileNameWithoutExtension(info.FileName),

BundleSize = GetFileSize(info.FileName),

ClearOtherCachedVersionsWhenLoaded = schema.AssetBundledCacheClearBehavior == BundledAssetGroupSchema.CacheClearBehavior.ClearWhenWhenNewVersionLoaded

};

dataEntry.Data = requestOptions;

int extensionLength = Path.GetExtension(outputBundles[i]).Length;

string[] deconstructedBundleName = outputBundles[i].Substring(0, outputBundles[i].Length - extensionLength).Split('_');

string reconstructedBundleName = string.Join("_", deconstructedBundleName, 1, deconstructedBundleName.Length - 1) + ".bundle";

outputBundles[i] = ConstructAssetBundleName(assetGroup, schema, info, reconstructedBundleName);

dataEntry.InternalId = dataEntry.InternalId.Remove(dataEntry.InternalId.Length - buildBundles[i].Length) + outputBundles[i];

dataEntry.Keys[0] = outputBundles[i];

ReplaceDependencyKeys(buildBundles[i], outputBundles[i], locations);

if (!m_BundleToInternalId.ContainsKey(buildBundles[i]))

m_BundleToInternalId.Add(buildBundles[i], dataEntry.InternalId);

if (dataEntry.InternalId.StartsWith("http:\\"))

dataEntry.InternalId = dataEntry.InternalId.Replace("http:\\", "http://").Replace("\\", "/");

if (dataEntry.InternalId.StartsWith("https:\\"))

dataEntry.InternalId = dataEntry.InternalId.Replace("https:\\", "https://").Replace("\\", "/");

}

else

{

UnityEngine.Debug.LogWarningFormat("Unable to find ContentCatalogDataEntry for bundle {0}.", outputBundles[i]);

}

UnityEngine.Debug.Log(outputBundles[i]);

if (!AssetBundleManager.GetInstance().buildInData.BuildInBundleNames.Contains(outputBundles[i]))

{

//添加打包的Bundle记录,内置Bundle

AssetBundleManager.GetInstance().buildInData.BuildInBundleNames.Add(outputBundles[i]);

}

var targetPath = Path.Combine(path, outputBundles[i]);

var srcPath = Path.Combine(assetGroup.Settings.buildSettings.bundleBuildPath, buildBundles[i]);

bundleRenameMap.Add(buildBundles[i], outputBundles[i]);

CopyFileWithTimestampIfDifferent(srcPath, targetPath, m_Log);

AddPostCatalogUpdatesInternal(assetGroup, postCatalogUpdateCallbacks, dataEntry, targetPath, registry);

//复制到Library 打包到包里面

string RuntimePath = UnityEngine.AddressableAssets.Addressables.RuntimePath;

string destPath = Path.Combine(System.Environment.CurrentDirectory, RuntimePath, PlatformMappingService.GetPlatformPathSubFolder().ToString(), outputBundles[i]);

if (!Directory.Exists(Path.GetDirectoryName(destPath)))

Directory.CreateDirectory(Path.GetDirectoryName(destPath));

if (!File.Exists(destPath))

{

File.Copy(targetPath, destPath);

}

registry.AddFile(targetPath);

}

设置应用为自定义打包

对了，设置AddressableAssetSettings的PlayerVersionOverried为固定版本，打包出来的catalog就都为同一个，更新这个用来检测更新。

四、自定义Bundle加载方式

前面自定义了Bundle的打包方式，现在就要自定义加载方式了，不然就会走原来设置的远程加载的原本逻辑，我们多做了一个内置包列表和复制移动Bundle到Library中的准备工作就没有用了。

注意如果是UnityWebRequestAssetBundle，则不会支持访问data去保存，不过自行缓存，此时只需要判断是不是内置Bundle就行，其他走web。需要自己缓存Bundle的，需要修改UnityWebRequestAssetBundle为UnityWebRequest

新建一个cs文件MyAssetBundleProvider，复制原内容的AssetBundlePrivider到新建cs脚本中，修改相关类名为自己自定义类名。主要修改IAssetBundleResource的BeginOperation方法和WebRequestOperationCompleted方法

//MyAssetBundleProvider.cs

private void BeginOperation()
{
    string path = m_ProvideHandle.Location.InternalId;
    var url = m_ProvideHandle.ResourceManager.TransformInternalId(m_ProvideHandle.Location);
    string bundleName = Path.GetFileName(url);
    // if a path starts with jar:file, it is an android embeded resource. The resource is a local file but cannot be accessed by 
    // FileStream(called in LoadWithDataProc) directly
    // Need to use webrequest's async call to get the content.
    if (AssetBundleManager.GetInstance().buildInData != null && AssetBundleManager.GetInstance().buildInData.BuildInBundleNames.Contains(bundleName))//本地资源，内置包
    {
        string streamPath = UnityEngine.AddressableAssets.Addressables.RuntimePath + "/" + PlatformMappingService.GetPlatformPathSubFolder() + "/" + bundleName;
        Debug.Log("LoadOne:" + streamPath);
        var crc = m_Options == null ? 0 : m_Options.Crc;
        CompleteBundleLoad(AssetBundle.LoadFromFile(streamPath));
    }
    else if (AssetBundleManager.GetInstance().IsCache(bundleName)) //已经下载过 缓存到本地的Bundle
    {
        string cachePath = Path.Combine(AssetBundleManager.GetInstance().GetBundleCachePath(), bundleName);
        Debug.Log("LoadTwo:" + cachePath);
        var crc = m_Options == null ? 0 : m_Options.Crc;
        CompleteBundleLoad(AssetBundle.LoadFromFile(cachePath));
    }
    else if (ResourceManagerConfig.ShouldPathUseWebRequest(path)) //真正需要下载的Bundle
    {
        Debug.Log("DownloadThree：" + url);
        var req = CreateWebRequest(m_ProvideHandle.Location);
        req.disposeDownloadHandlerOnDispose = false;
        m_WebRequestQueueOperation = WebRequestQueue.QueueRequest(req);
        if (m_WebRequestQueueOperation.IsDone)
        {
            m_RequestOperation = m_WebRequestQueueOperation.Result;
            m_RequestOperation.completed += WebRequestOperationCompleted;
        }
        else
        {
            m_WebRequestQueueOperation.OnComplete += asyncOp =>
            {
                m_RequestOperation = asyncOp;
                m_RequestOperation.completed += WebRequestOperationCompleted;
            };
        }
    }
    else
    {
        m_RequestOperation = null;
        m_ProvideHandle.Complete<MyAssetBundleResource>(null, false, new Exception(string.Format("Invalid path in AssetBundleProvider: '{0}'.", path)));
    }
}


private void WebRequestOperationCompleted(AsyncOperation op)
{
    UnityWebRequestAsyncOperation remoteReq = op as UnityWebRequestAsyncOperation;
    var webReq = remoteReq.webRequest;
    if (!UnityWebRequestUtilities.RequestHasErrors(webReq, out UnityWebRequestResult uwrResult))
    {
        m_downloadHandler = webReq.downloadHandler;
        string path = m_ProvideHandle.ResourceManager.TransformInternalId(m_ProvideHandle.Location);
        string bundleName = Path.GetFileName(path);

        AssetBundleManager.GetInstance().CacheBundle(bundleName, m_downloadHandler.data);//主要是在这里加了一个保存到本地的方法

        if (!m_Completed)
        {
            m_ProvideHandle.Complete(this, true, null);
            m_Completed = true;
        }
    }
    else
    {
        m_downloadHandler = webReq.downloadHandler;
        m_downloadHandler.Dispose();
        m_downloadHandler = null;
        string message = string.Format("Web request {0} failed with error '{1}', retrying ({2}/{3})...", webReq.url, webReq.error, m_Retries, m_Options.RetryCount);

        if (m_Retries < m_Options.RetryCount)
        {
            Debug.LogFormat(message);
            BeginOperation();
            m_Retries++;
        }
        else
        {
            var exception = new Exception(string.Format(
                "RemoteAssetBundleProvider unable to load from url {0}, result='{1}'.", webReq.url,
                webReq.error));
            m_ProvideHandle.Complete<MyAssetBundleResource>(null, false, exception);
        }
    }
    webReq.Dispose();
}

//MyAssetBundleProvider.cs

private void BeginOperation()

{

string path = m_ProvideHandle.Location.InternalId;

var url = m_ProvideHandle.ResourceManager.TransformInternalId(m_ProvideHandle.Location);

string bundleName = Path.GetFileName(url);

// if a path starts with jar:file, it is an android embeded resource. The resource is a local file but cannot be accessed by

// FileStream(called in LoadWithDataProc) directly

// Need to use webrequest's async call to get the content.

if (AssetBundleManager.GetInstance().buildInData != null && AssetBundleManager.GetInstance().buildInData.BuildInBundleNames.Contains(bundleName))//本地资源，内置包

{

string streamPath = UnityEngine.AddressableAssets.Addressables.RuntimePath + "/" + PlatformMappingService.GetPlatformPathSubFolder() + "/" + bundleName;

Debug.Log("LoadOne:" + streamPath);

var crc = m_Options == null ? 0 : m_Options.Crc;

CompleteBundleLoad(AssetBundle.LoadFromFile(streamPath));

}

else if (AssetBundleManager.GetInstance().IsCache(bundleName)) //已经下载过缓存到本地的Bundle

{

string cachePath = Path.Combine(AssetBundleManager.GetInstance().GetBundleCachePath(), bundleName);

Debug.Log("LoadTwo:" + cachePath);

var crc = m_Options == null ? 0 : m_Options.Crc;

CompleteBundleLoad(AssetBundle.LoadFromFile(cachePath));

}

else if (ResourceManagerConfig.ShouldPathUseWebRequest(path)) //真正需要下载的Bundle

{

Debug.Log("DownloadThree：" + url);

var req = CreateWebRequest(m_ProvideHandle.Location);

req.disposeDownloadHandlerOnDispose = false;

m_WebRequestQueueOperation = WebRequestQueue.QueueRequest(req);

if (m_WebRequestQueueOperation.IsDone)

{

m_RequestOperation = m_WebRequestQueueOperation.Result;

m_RequestOperation.completed += WebRequestOperationCompleted;

}

else

{

m_WebRequestQueueOperation.OnComplete += asyncOp =>

{

m_RequestOperation = asyncOp;

m_RequestOperation.completed += WebRequestOperationCompleted;

};

}

else

{

m_RequestOperation = null;

m_ProvideHandle.Complete<MyAssetBundleResource>(null, false, new Exception(string.Format("Invalid path in AssetBundleProvider: '{0}'.", path)));

}

private void WebRequestOperationCompleted(AsyncOperation op)

{

UnityWebRequestAsyncOperation remoteReq = op as UnityWebRequestAsyncOperation;

var webReq = remoteReq.webRequest;

if (!UnityWebRequestUtilities.RequestHasErrors(webReq, out UnityWebRequestResult uwrResult))

{

m_downloadHandler = webReq.downloadHandler;

string path = m_ProvideHandle.ResourceManager.TransformInternalId(m_ProvideHandle.Location);

string bundleName = Path.GetFileName(path);

AssetBundleManager.GetInstance().CacheBundle(bundleName, m_downloadHandler.data);//主要是在这里加了一个保存到本地的方法

if (!m_Completed)

{

m_ProvideHandle.Complete(this, true, null);

m_Completed = true;

}

else

{

m_downloadHandler = webReq.downloadHandler;

m_downloadHandler.Dispose();

m_downloadHandler = null;

string message = string.Format("Web request {0} failed with error '{1}', retrying ({2}/{3})...", webReq.url, webReq.error, m_Retries, m_Options.RetryCount);

if (m_Retries < m_Options.RetryCount)

{

Debug.LogFormat(message);

BeginOperation();

m_Retries++;

}

else

{

var exception = new Exception(string.Format(

"RemoteAssetBundleProvider unable to load from url {0}, result='{1}'.", webReq.url,

webReq.error));

m_ProvideHandle.Complete<MyAssetBundleResource>(null, false, exception);

}

webReq.Dispose();

}

读取内置包列表，缓存Bundle到本地，检查是否有缓存，都是使用 AssetBundleManager.cs

using System.Collections.Generic;
using UnityEngine;
using System;
using System.IO;

[Serializable]
public class BuildInBundleData
{
    public List<string> BuildInBundleNames = new List<string>();
}

public class AssetBundleManager
{
    private static AssetBundleManager _instance = null;
    private string cachePath = "";
    public BuildInBundleData buildInData;

    public static AssetBundleManager GetInstance()
    {
        if (_instance == null)
            _instance = new AssetBundleManager();

        return _instance;
    }

    AssetBundleManager()
    {
        cachePath = Path.Combine(Application.persistentDataPath, "ab");
        if (!Directory.Exists(cachePath))
        {
            Directory.CreateDirectory(cachePath);
        }
    }

    public void Init()
    {
#if !UNITY_EDITOR
            var json = Resources.Load<TextAsset>("Version/BuildInBundleName");
            buildInData = JsonUtility.FromJson<BuildInBundleData>(json.text);
#endif
    }

    public String GetBundleCachePath()
    {
        return cachePath;
    }

    public bool IsCache(string bundleName)
    {
        string filePath = Path.Combine(AssetBundleManager.GetInstance().GetBundleCachePath(), bundleName);
        return File.Exists(filePath);
    }

    public void CacheBundle(string bundlename, byte[] bytes)
    {
        string filePath = Path.Combine(GetBundleCachePath(), bundlename);
        if (File.Exists(filePath))
            File.Delete(filePath);

        File.WriteAllBytes(filePath, bytes);

        string realName = GetRealBundleName(bundlename);
        string oldPath = PlayerPrefs.GetString(realName, "");
        if (oldPath != "")
            File.Delete(oldPath);

        PlayerPrefs.SetString(realName, filePath);
    }

    public string GetRealBundleName(string bundlename)
    {
        if (string.IsNullOrEmpty(bundlename))
            return "";

        int index = bundlename.LastIndexOf("_");
        return bundlename.Substring(0, index);
    }
}

using System.Collections.Generic;

using UnityEngine;

using System;

using System.IO;

[Serializable]

public class BuildInBundleData

{

public List<string> BuildInBundleNames = new List<string>();

}

public class AssetBundleManager

{

private static AssetBundleManager _instance = null;

private string cachePath = "";

public BuildInBundleData buildInData;

public static AssetBundleManager GetInstance()

{

if (_instance == null)

_instance = new AssetBundleManager();

return _instance;

}

AssetBundleManager()

{

cachePath = Path.Combine(Application.persistentDataPath, "ab");

if (!Directory.Exists(cachePath))

{

Directory.CreateDirectory(cachePath);

}

public void Init()

{

#if !UNITY_EDITOR

var json = Resources.Load<TextAsset>("Version/BuildInBundleName");

buildInData = JsonUtility.FromJson<BuildInBundleData>(json.text);

#endif

}

public String GetBundleCachePath()

{

return cachePath;

}

public bool IsCache(string bundleName)

{

string filePath = Path.Combine(AssetBundleManager.GetInstance().GetBundleCachePath(), bundleName);

return File.Exists(filePath);

}

public void CacheBundle(string bundlename, byte[] bytes)

{

string filePath = Path.Combine(GetBundleCachePath(), bundlename);

if (File.Exists(filePath))

File.Delete(filePath);

File.WriteAllBytes(filePath, bytes);

string realName = GetRealBundleName(bundlename);

string oldPath = PlayerPrefs.GetString(realName, "");

if (oldPath != "")

File.Delete(oldPath);

PlayerPrefs.SetString(realName, filePath);

}

public string GetRealBundleName(string bundlename)

{

if (string.IsNullOrEmpty(bundlename))

return "";

int index = bundlename.LastIndexOf("_");

return bundlename.Substring(0, index);

}

自定义写完后，需要应用使用上这个自定义加载Provider

public static void SetAllGroupToRemote()
{
    var s = AASUtility.GetSettings();
    var groups = s.groups;
    foreach (var group in groups)
    {
        BundledAssetGroupSchema bundledAssetGroupSchema = group.GetSchema<BundledAssetGroupSchema>();
        if (bundledAssetGroupSchema == null)
        {
            bundledAssetGroupSchema = group.AddSchema<BundledAssetGroupSchema>();
        }

        bundledAssetGroupSchema.BuildPath.SetVariableByName(group.Settings, AddressableAssetSettings.kRemoteBuildPath);
        bundledAssetGroupSchema.LoadPath.SetVariableByName(group.Settings, AddressableAssetSettings.kRemoteLoadPath);
        bundledAssetGroupSchema.SetAssetBundleProviderType(typeof(MyAssetBundleProvider)); //主要是这

        EditorUtility.SetDirty(bundledAssetGroupSchema);
    }

    AssetDatabase.Refresh();
}

public static void SetAllGroupToRemote()

{

var s = AASUtility.GetSettings();

var groups = s.groups;

foreach (var group in groups)

{

BundledAssetGroupSchema bundledAssetGroupSchema = group.GetSchema<BundledAssetGroupSchema>();

if (bundledAssetGroupSchema == null)

{

bundledAssetGroupSchema = group.AddSchema<BundledAssetGroupSchema>();

}

bundledAssetGroupSchema.BuildPath.SetVariableByName(group.Settings, AddressableAssetSettings.kRemoteBuildPath);

bundledAssetGroupSchema.LoadPath.SetVariableByName(group.Settings, AddressableAssetSettings.kRemoteLoadPath);

bundledAssetGroupSchema.SetAssetBundleProviderType(typeof(MyAssetBundleProvider)); //主要是这

EditorUtility.SetDirty(bundledAssetGroupSchema);

}

AssetDatabase.Refresh();

}

五、检测更新并下载更新

需要扩展两个方法出来，一个是修改请求catalog的地址，一个是获取Bundle的大小接口

//Addressables.cs
public static void SetRemoteCatalogLocation(string newLocation)
{
    m_Addressables.SetRemoteCatalogLocation(newLocation);
}

public static long GetResourceLocationSize(IResourceLocation location)
{
    return m_Addressables.GetResourceLocationSize(location);
}

//AddressablesImpl.cs
public void SetRemoteCatalogLocation(string location)
{
    for (var i = 0; i < m_ResourceLocators.Count; i++)
    {
        if (m_ResourceLocators[i].CanUpdateContent)
        {
            var locationInfo = m_ResourceLocators[i] as ResourceLocatorInfo;
            if (locationInfo.HashLocation != null)
            {
                locationInfo.HashLocation.InternalId = location;

            }
        }
    }
}

public long GetResourceLocationSize(IResourceLocation location)
{
    long size = 0;
    var sizeData = location.Data as ILocationSizeData;
    if (sizeData != null)
        size = sizeData.ComputeSize(location, ResourceManager);

    return size;
}

//Addressables.cs

public static void SetRemoteCatalogLocation(string newLocation)

{

m_Addressables.SetRemoteCatalogLocation(newLocation);

}

public static long GetResourceLocationSize(IResourceLocation location)

{

return m_Addressables.GetResourceLocationSize(location);

}

//AddressablesImpl.cs

public void SetRemoteCatalogLocation(string location)

{

for (var i = 0; i < m_ResourceLocators.Count; i++)

{

if (m_ResourceLocators[i].CanUpdateContent)

{

var locationInfo = m_ResourceLocators[i] as ResourceLocatorInfo;

if (locationInfo.HashLocation != null)

{

locationInfo.HashLocation.InternalId = location;

}

public long GetResourceLocationSize(IResourceLocation location)

{

long size = 0;

var sizeData = location.Data as ILocationSizeData;

if (sizeData != null)

size = sizeData.ComputeSize(location, ResourceManager);

return size;

}

更新流程：

设置加载资源的远程路径，catalog和Bundle
检查网络资源表catalog
下载网络资源表catalog
通过全局资源lable后去所有的ResourceLocation
自定义辨别筛选出需要更新Bundle资源的ResourceLocation
获取下载的大小
更新下载

其中OperationData为继承IEnumerator，提供异步等待，导出到lua层，lua层可以根据判断这个步骤是否完成，从而进入到下一步骤。

    //初始化内置Bundle包列表 AssetBundleManager.cs
    public void Init()
    {
#if !UNITY_EDITOR
            var json = Resources.Load<TextAsset>("Version/BuildInBundleName");
            buildInData = JsonUtility.FromJson<BuildInBundleData>(json.text);
#endif
    }

    
//AddressableManager.cs
//1.设置远程加载地址
public void SetAddressableRemoteResCdnUrl(string remoteUrl)
{
    Debug.Log("SetAddressableRemoteUrl remoteUrl = " + remoteUrl);
    if (string.IsNullOrEmpty(remoteUrl))
    {
        return;
    }


    //设置catalog的请求路径
    string newLocation = remoteUrl + "/" + "catalog_999.hash";//后缀对应为AddressableAssetSettings的PlayerVersionOverried
    Addressables.SetRemoteCatalogLocation(newLocation);

    //设置location的transfrom func
    Addressables.InternalIdTransformFunc = (IResourceLocation location) =>
    {
        string internalId = location.InternalId;
        if (internalId != null && internalId.StartsWith("http"))
        {
            var fileName = Path.GetFileName(internalId);
            string newInternalId = remoteUrl + "/" + fileName;
            return newInternalId;
        }
        else
        {
            return location.InternalId;
        }
    };
}

//2.检查网络资源表
public OperationData CheckForCatalogUpdates()
{
    var aOperation = Addressables.CheckForCatalogUpdates(false);
    return OperationData.Get(aOperation);
}

//3.下载对应资源表
public OperationData UpdateCatalogs(List<string> catlogs)
{
    var aOperation = Addressables.UpdateCatalogs(catlogs,false);
    return OperationData.Get(aOperation);
}

//4.通过全局lable获取所有的ResourceLocation
public OperationData GetCheckContentList(string label)
{
    CheckContentList.Clear();
    var aOperation = Addressables.LoadResourceLocationsAsync(new List<string> { label }, Addressables.MergeMode.Union);
    return OperationData.Get(aOperation,false, OnGetCheckContentList);
}

//5.筛选出需要更新的内容 -1错误 0为没有更新
public int GetUpdateContentList()
{
    if (CheckContentList == null)
    {
        Debug.LogError("获取所有的ResourceLocation为空");
        return -1;
    }

    if (AssetBundleManager.GetInstance().buildInData == null)
    {
#if !UNITY_EDITOR
        Debug.LogError("获取内置Bundle配置为空");
        return -1;
#else
        return 0;
#endif
    }
    IList<IResourceLocation> updateContent = new List<IResourceLocation>();
    foreach (var item in CheckContentList)
    {
        string bundleName;
        if (item.HasDependencies)
        {
            foreach (var dep in item.Dependencies)
            {
                bundleName = Path.GetFileName(dep.InternalId);
                if (AssetBundleManager.GetInstance().buildInData.BuildInBundleNames.Contains(bundleName))
                {

                }
                else if (AssetBundleManager.GetInstance().IsCache(bundleName))
                {
                }
                else
                {
                    updateContent.Add(dep);
                }
            }
        }
    }

    CheckContentList = updateContent;

    return CheckContentList.Count;
}

//6.获取需要下载的大小
public long GetDownloadSize(string label)
{
    long size = 0;
    foreach (IResourceLocation location in CheckContentList.Distinct())
    {
        size += Addressables.GetResourceLocationSize(location);
    }

    return size;
}

//7.下载更新
public OperationData DownloadDependenciesAsync(string label)
{
    var aOperation = Addressables.DownloadDependenciesAsync(CheckContentList);
    return OperationData.Get(aOperation);
}

public void OnGetCheckContentList(object list)
{
    CheckContentList = list as IList<IResourceLocation>;
}

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//初始化内置Bundle包列表 AssetBundleManager.cs

public void Init()

{

#if !UNITY_EDITOR

var json = Resources.Load<TextAsset>("Version/BuildInBundleName");

buildInData = JsonUtility.FromJson<BuildInBundleData>(json.text);

#endif

}

//AddressableManager.cs

//1.设置远程加载地址

public void SetAddressableRemoteResCdnUrl(string remoteUrl)

{

Debug.Log("SetAddressableRemoteUrl remoteUrl = " + remoteUrl);

if (string.IsNullOrEmpty(remoteUrl))

{

return;

}

//设置catalog的请求路径

string newLocation = remoteUrl + "/" + "catalog_999.hash";//后缀对应为AddressableAssetSettings的PlayerVersionOverried

Addressables.SetRemoteCatalogLocation(newLocation);

//设置location的transfrom func

Addressables.InternalIdTransformFunc = (IResourceLocation location) =>

{

string internalId = location.InternalId;

if (internalId != null && internalId.StartsWith("http"))

{

var fileName = Path.GetFileName(internalId);

string newInternalId = remoteUrl + "/" + fileName;

return newInternalId;

}

else

{

return location.InternalId;

}

};

}

//2.检查网络资源表

public OperationData CheckForCatalogUpdates()

{

var aOperation = Addressables.CheckForCatalogUpdates(false);

return OperationData.Get(aOperation);

}

//3.下载对应资源表

public OperationData UpdateCatalogs(List<string> catlogs)

{

var aOperation = Addressables.UpdateCatalogs(catlogs,false);

return OperationData.Get(aOperation);

}

//4.通过全局lable获取所有的ResourceLocation

public OperationData GetCheckContentList(string label)

{

CheckContentList.Clear();

var aOperation = Addressables.LoadResourceLocationsAsync(new List<string> { label }, Addressables.MergeMode.Union);

return OperationData.Get(aOperation,false, OnGetCheckContentList);

}

//5.筛选出需要更新的内容 -1错误 0为没有更新

public int GetUpdateContentList()

{

if (CheckContentList == null)

{

Debug.LogError("获取所有的ResourceLocation为空");

return -1;

}

if (AssetBundleManager.GetInstance().buildInData == null)

{

#if !UNITY_EDITOR

Debug.LogError("获取内置Bundle配置为空");

return -1;

#else

return 0;

#endif

}

IList<IResourceLocation> updateContent = new List<IResourceLocation>();

foreach (var item in CheckContentList)

{

string bundleName;

if (item.HasDependencies)

{

foreach (var dep in item.Dependencies)

{

bundleName = Path.GetFileName(dep.InternalId);

if (AssetBundleManager.GetInstance().buildInData.BuildInBundleNames.Contains(bundleName))

{

}

else if (AssetBundleManager.GetInstance().IsCache(bundleName))

{

}

else

{

updateContent.Add(dep);

}

CheckContentList = updateContent;

return CheckContentList.Count;

}

//6.获取需要下载的大小

public long GetDownloadSize(string label)

{

long size = 0;

foreach (IResourceLocation location in CheckContentList.Distinct())

{

size += Addressables.GetResourceLocationSize(location);

}

return size;

}

//7.下载更新

public OperationData DownloadDependenciesAsync(string label)

{

var aOperation = Addressables.DownloadDependenciesAsync(CheckContentList);

return OperationData.Get(aOperation);

}

public void OnGetCheckContentList(object list)

{

CheckContentList = list as IList<IResourceLocation>;

}

制作一个承载想法的东西（六）——使用Addressables进行热更新(1.18.4)

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