/// <summary>
/// 开始构建AB
/// </summary>
public void StartBuildAssetBundle(BuildTarget buildTarget)
{
//-----------------------开始打包AssetBundle逻辑---------------------------
Debug.Log("【BuildAssetbundle】执行Build...");
//设置编辑器状态
BDEditorApplication.EditorStatus = BDFrameworkEditorStatus.BuildAssetBundle;
var platform = BApplication.GetRuntimePlatform(buildTarget);
var platformOutputPath = IPath.Combine(BuildParams.OutputPath, BApplication.GetPlatformPath(platform));
string abOutputPath = IPath.Combine(platformOutputPath, BResources.ART_ASSET_ROOT_PATH);
//--------------------------------开始打包----------------------------------
//1.打包
Debug.Log("<color=green>----->1.进入打包逻辑</color>");
//整理abname
this.MergeABName(BuildingAssetInfos);
//对比差异文件
var changedAssetsInfo = GetChangedAssets(BuildingAssetInfos, buildTarget);
//生成artconfig
var assetbundleItemList = this.GenAssetBundleConfig(BuildingAssetInfos, BuildParams, platform);
//打包
AssetDatabase.StartAssetEditing(); //禁止自动导入
{
this.BuildAssetBundle(assetbundleItemList, changedAssetsInfo, BuildParams, platform);
}
AssetDatabase.StopAssetEditing(); //恢复自动导入
//2.清理
Debug.Log("<color=green>----->2.清理旧ab</color>");
//移除所有的ab
RemoveAllAssetbundleName();
//删除本地没有的资源
var allABList = Directory.GetFiles(abOutputPath, "*", SearchOption.AllDirectories).Where((p) => string.IsNullOrEmpty(Path.GetExtension(p)));
foreach (var abpath in allABList)
{
var abname = Path.GetFileName(abpath);
var ret = assetbundleItemList.FirstOrDefault((abdata) => abdata.AssetBundlePath == abname);
if (ret == null)
{
//
File.Delete(abpath);
File.Delete(abpath + ".manifest");
//
var path = AssetDatabase.GUIDToAssetPath(abname);
Debug.Log("【删除旧ab:】" + abname + " - " + path);
}
}
//3.BuildInfo配置处理
Debug.Log("<color=green>----->3.BuildInfo相关生成</color>");
//设置ab的hash
foreach (var abi in assetbundleItemList)
{
if (string.IsNullOrEmpty(abi.AssetBundlePath))
{
continue;
}
var abpath = IPath.Combine(platformOutputPath, BResources.ART_ASSET_ROOT_PATH, abi.AssetBundlePath);
var hash = FileHelper.GetMurmurHash3(abpath);
abi.Hash = hash;
}
//获取上一次打包的数据，跟这次打包数据合并
var configPath = IPath.Combine(platformOutputPath, BResources.ART_ASSET_CONFIG_PATH);
if (File.Exists(configPath))
{
var lastAssetbundleItemList = CsvSerializer.DeserializeFromString <List <AssetBundleItem> >(File.ReadAllText(configPath));
foreach (var newABI in assetbundleItemList)
{
if (string.IsNullOrEmpty(newABI.AssetBundlePath))
{
continue;
}
// //判断是否在当前打包列表中
// var ret = changedAssetsInfo.AssetDataMaps.Values.FirstOrDefault((a) => a.ABName.Equals(newABI.AssetBundlePath, StringComparison.OrdinalIgnoreCase));
var lastABI = lastAssetbundleItemList.FirstOrDefault((last) =>
newABI.AssetBundlePath.Equals(last.AssetBundlePath, StringComparison.OrdinalIgnoreCase)); //AB名相等
//&& newABI.Hash == last.Hash); //hash相等
//没重新打包，则用上一次的mix信息
if (lastABI != null && lastABI.Hash == newABI.Hash)
{
newABI.Mix = lastABI.Mix;
}
//否则mix = 0
}
}
//保存artconfig.info
var csv = CsvSerializer.SerializeToString(assetbundleItemList);
FileHelper.WriteAllText(configPath, csv);
//保存BuildInfo配置
var buildinfoPath = IPath.Combine(platformOutputPath, BResources.EDITOR_ART_ASSET_BUILD_INFO_PATH);
//缓存buildinfo
var json = JsonMapper.ToJson(BuildingAssetInfos, true);
FileHelper.WriteAllText(buildinfoPath, json);
//4.备份Artifacts
//this.BackupArtifacts(buildTarget);
//5.检测本地的Manifest和构建预期对比
Debug.Log("<color=green>----->5.校验AB依赖</color>");
var abRootPath = IPath.Combine(BuildParams.OutputPath, BApplication.GetPlatformPath(platform), BResources.ART_ASSET_ROOT_PATH);
var previewABUnitMap = BuildingAssetInfos.PreviewAssetbundleUnit();
var manifestList = Directory.GetFiles(abRootPath, "*.manifest", SearchOption.AllDirectories);
//解析 manifestBuildParams.OutputPath
for (int i = 0; i < manifestList.Length; i++)
{
var manifest = manifestList[i].Replace("\\", "/");
if (manifest.Equals(abRootPath + ".manifest"))
{
continue;
}
var lines = File.ReadLines(manifest);
List <string> manifestDependList = new List <string>();
bool isStartRead = false;
foreach (var line in lines)
{
if (!isStartRead && line.Equals("Assets:"))
{
isStartRead = true;
}
else if (line.Contains("Dependencies:"))
{
break;
}
else if (isStartRead)
{
var file = line.Replace("- ", "");
manifestDependList.Add(file.ToLower());
}
}
//对比依赖
var abname = Path.GetFileNameWithoutExtension(manifest);
if (abname.Equals(BResources.ART_ASSET_ROOT_PATH, StringComparison.OrdinalIgnoreCase))
{
continue;
}
previewABUnitMap.TryGetValue(abname, out var previewABDependList);
if (previewABDependList == null)
{
Debug.LogError("【AssetbundleV2-验证】本地ab的配置不不存在:" + abname);
Debug.LogError("path:" + AssetDatabase.GUIDToAssetPath(abname));
}
else
{
//求差集
var except = manifestDependList.Except(previewABDependList);
if (except.Count() != 0)
{
var local = JsonMapper.ToJson(manifestDependList, true);
var preview = JsonMapper.ToJson(previewABDependList, true);
Debug.LogError($"【AssetbundleV2-验证】本地AssetBundle依赖与预期不符:\n 本地:{local} \n 预期:{preview}");
}
}
}
//6.资源混淆
Debug.Log("<color=green>----->6.混淆AB</color>");
if (BDEditorApplication.BDFrameworkEditorSetting.BuildAssetBundleSetting.IsEnableObfuscation)
{
AssetBundleEditorToolsV2.MixAssetBundle(BuildParams.OutputPath, platform);
}
//恢复编辑器状态
BDEditorApplication.EditorStatus = BDFrameworkEditorStatus.Idle;
//BD生命周期触发
BDFrameworkPipelineHelper.OnEndBuildAssetBundle(this);
//GenAssetBundleItemCacheList = abConfigList.ToList();
}