/// <summary>
/// 获取当前所有资源配置
/// </summary>
/// <returns></returns>
static public BuildInfo GetAssetsInfo(List <string> paths)
{
packageAssetsMap = new Dictionary <string, List <string> >();
//1.获取图集信息
var atlas = paths.FindAll((p) => Path.GetExtension(p) == ".spriteatlas");
for (int i = 0; i < atlas.Count; i++)
{
var asset = atlas[i];
//获取依赖中的textrue
var dps = GetDependencies(asset).ToList();
packageAssetsMap[asset] = dps;
}
//2.搜集Package config信息
foreach (var config in PackageConfigMap)
{
var rets = paths.FindAll((p) => config.FileExtens.Contains(Path.GetExtension(p)));
packageAssetsMap[config.AssetBundleName] = rets.ToList();
}
//
BuildInfo buildInfo = new BuildInfo();
buildInfo.Time = DateTime.Now.ToShortDateString();
int id = 0;
//搜集所有的依赖
foreach (var mainpath in paths)
{
var dependeAssetsPath = GetDependencies(mainpath);
//获取依赖 并加入build info
foreach (var subAssetPath in dependeAssetsPath)
{
var asset = new BuildInfo.AssetData();
asset.Id = id;
asset.Hash = GetHashFromAssets(subAssetPath);
asset.ABName = subAssetPath;
//判断资源类型
asset.Type = (int)ManifestItem.AssetTypeEnum.Others;
var subAssetsExtension = Path.GetExtension(subAssetPath);
//
foreach (var item in AssetTypeConfigMap)
{
if (item.Value.Contains(subAssetsExtension))
{
asset.Type = (int)item.Key;
break;
}
}
//获取依赖
var dependeAssetList = GetDependencies(subAssetPath);
asset.DependList.AddRange(dependeAssetList);
//添加
buildInfo.AssetDataMaps[subAssetPath] = asset;
//判断package名
//图集
foreach (var item in packageAssetsMap)
{
if (item.Value.Contains(subAssetPath))
{
//设置AB的名字
asset.ABName = item.Key;
break;
}
}
//自己规则的ab
foreach (var item in PackageConfigMap)
{
if (item.FileExtens.Contains(subAssetsExtension))
{
//设置AB的名字
asset.ABName = item.AssetBundleName;
break;
}
}
id++;
}
}
//TODO AB依赖关系纠正
/// 已知Unity,bug/设计缺陷：
/// 1.依赖接口，中会携带自己
/// 2.如若a.png、b.png 依赖 c.atlas，则abc依赖都会是:a.png 、b.png 、 a.atlas
foreach (var asset in buildInfo.AssetDataMaps)
{
//依赖中不包含自己
asset.Value.DependList.Remove(asset.Value.ABName);
}
//2.Package Config信息添加到BuildInfo
foreach (var config in PackageConfigMap)
{
var asset = new BuildInfo.AssetData();
asset.ABName = config.AssetBundleName;
//添加依赖
var rets = buildInfo.AssetDataMaps.Values.Where((a) => a.ABName == config.AssetBundleName);
asset.DependList.AddRange(rets.Select((r) => r.ABName));
//压入列表
buildInfo.AssetDataMaps[asset.ABName] = asset;
}
//搜集引用的次数，以runtime内部引用为主
foreach (var item in buildInfo.AssetDataMaps)
{
if (!item.Key.Contains("/runtime/"))
{
continue;
}
//
int count = 0;
foreach (var assetdata in buildInfo.AssetDataMaps.Values)
{
if (assetdata.DependList.Contains(item.Key))
{
count++;
}
}
item.Value.ReferenceCount = count;
}
return(buildInfo);
}
/// <summary>
/// 获取改动的Assets
/// </summary>
static BuildInfo GetChangedAssets(BuildInfo lastAssetsInfo, BuildInfo newAssetsInfo)
{
//根据变动的list 刷出关联
//1.单ab 单资源，直接重打
//2.单ab 多资源的 整个ab都要重新打包
if (lastAssetsInfo.AssetDataMaps.Count != 0)
{
Debug.Log("<color=red>开始增量分析...</color>");
var changedAssetList = new List <KeyValuePair <string, BuildInfo.AssetData> >();
//找出差异文件
foreach (var newAssetItem in newAssetsInfo.AssetDataMaps)
{
BuildInfo.AssetData lastAssetData = null;
if (lastAssetsInfo.AssetDataMaps.TryGetValue(newAssetItem.Key, out lastAssetData))
{
if (lastAssetData.Hash == newAssetItem.Value.Hash)
{
continue;
}
}
changedAssetList.Add(newAssetItem);
}
Debug.LogFormat("<color=red>变动文件数:{0}</color>", changedAssetList.Count);
//rebuild
List <string> rebuildABNameList = new List <string>();
foreach (var tempAsset in changedAssetList)
{
//1.添加自身的ab
rebuildABNameList.Add(tempAsset.Value.ABName);
//2.添加所有依赖的ab
foreach (var depend in tempAsset.Value.DependList)
{
BuildInfo.AssetData dependAssetData = null;
if (newAssetsInfo.AssetDataMaps.TryGetValue(depend, out dependAssetData))
{
rebuildABNameList.Add(dependAssetData.ABName);
}
else
{
Debug.LogError("不存在资源:" + depend);
}
}
}
//去重
rebuildABNameList = rebuildABNameList.Distinct().ToList();
//搜索依赖的ab，直到没有新ab为止
int counter = 0;
while (counter < rebuildABNameList.Count) //防死循环
{
string abName = rebuildABNameList[counter];
var findAssets = newAssetsInfo.AssetDataMaps.Where((asset) => asset.Value.ABName == abName);
foreach (var asset in findAssets)
{
//添加本体
var assetdata = newAssetsInfo.AssetDataMaps[asset.Key];
if (!rebuildABNameList.Contains(assetdata.ABName))
{
rebuildABNameList.Add(assetdata.ABName);
}
//添加依赖文件
foreach (var depend in assetdata.DependList)
{
BuildInfo.AssetData dependAssetData = null;
if (newAssetsInfo.AssetDataMaps.TryGetValue(depend, out dependAssetData))
{
if (!rebuildABNameList.Contains(dependAssetData.ABName))
{
rebuildABNameList.Add(dependAssetData.ABName);
}
}
else
{
Debug.LogError("不存在资源:" + depend);
}
}
}
counter++;
}
var allRebuildAssets = new List <KeyValuePair <string, BuildInfo.AssetData> >();
//根据影响的ab，寻找出所有文件
foreach (var abname in rebuildABNameList)
{
var findAssets = newAssetsInfo.AssetDataMaps.Where((asset) => asset.Value.ABName == abname);
allRebuildAssets.AddRange(findAssets);
}
//去重
var retBuildInfo = new BuildInfo();
foreach (var kv in allRebuildAssets)
{
retBuildInfo.AssetDataMaps[kv.Key] = kv.Value;
}
Debug.LogFormat("<color=red>影响文件数:{0}</color>", retBuildInfo.AssetDataMaps.Count);
return(retBuildInfo);
}
return(newAssetsInfo);
}
/// <summary>
/// 生成AssetBundle
/// </summary>
/// <param name="outputPath">导出目录</param>
/// <param name="target">平台</param>
/// <param name="options">打包参数</param>
/// <param name="isHashName">是否为hash name</param>
public static bool GenAssetBundle(string outputPath,
RuntimePlatform platform,
BuildTarget target,
BuildAssetBundleOptions options = BuildAssetBundleOptions.ChunkBasedCompression,
bool isHashName = false,
string AES = "")
{
var _outputPath = Path.Combine(outputPath, BDApplication.GetPlatformPath(platform));
//
var artOutputPath = IPath.Combine(_outputPath, "Art");
var buildInfoPath = IPath.Combine(artOutputPath, "BuildInfo.json");
//初始化
allfileHashMap = new Dictionary <string, string>();
var assetPaths = BDApplication.GetAllAssetsPath();
for (int i = 0; i < assetPaths.Count; i++)
{
assetPaths[i] = assetPaths[i].ToLower();
}
/***********************新老资源依赖生成************************/
//获取老的配置
BuildInfo lastBuildInfo = new BuildInfo();
if (File.Exists(buildInfoPath))
{
var content = File.ReadAllText(buildInfoPath);
lastBuildInfo = JsonMapper.ToObject <BuildInfo>(content);
}
//获取当前配置
var newbuildInfo = GetAssetsInfo(assetPaths);
var buildinfoCahce = JsonMapper.ToJson(newbuildInfo);
//BD生命周期触发
BDEditorBehaviorHelper.OnBeginBuildAssetBundle(newbuildInfo);
//获取改动的数据
var changedBuildInfo = GetChangedAssets(lastBuildInfo, newbuildInfo);
// newbuildInfo = null; //防止后面再用
if (changedBuildInfo.AssetDataMaps.Count == 0)
{
Debug.Log("无资源改变,不需要打包!");
return(false);
}
#region 整理依赖关系
//1.把依赖资源替换成AB Name，
foreach (var asset in newbuildInfo.AssetDataMaps.Values)
{
for (int i = 0; i < asset.DependList.Count; i++)
{
var da = asset.DependList[i];
var dependAssetData = newbuildInfo.AssetDataMaps[da];
//替换成真正AB名
if (!string.IsNullOrEmpty(dependAssetData.ABName))
{
asset.DependList[i] = dependAssetData.ABName;
}
}
//去重
asset.DependList = asset.DependList.Distinct().ToList();
asset.DependList.Remove(asset.ABName);
}
var runtimeStr = "/runtime/";
if (isHashName)
{
//使用guid 作为ab名
foreach (var asset in newbuildInfo.AssetDataMaps)
{
var abname = AssetDatabase.AssetPathToGUID(asset.Value.ABName);
if (!string.IsNullOrEmpty(abname)) //不存在的资源（如ab.shader之类）,则用原名
{
asset.Value.ABName = abname;
}
else
{
Debug.LogError("获取GUID失败：" + asset.Value.ABName);
}
for (int i = 0; i < asset.Value.DependList.Count; i++)
{
var dependAssetName = asset.Value.DependList[i];
abname = AssetDatabase.AssetPathToGUID(dependAssetName);
if (!string.IsNullOrEmpty(abname)) //不存在的资源（如ab.shader之类）,则用原名
{
asset.Value.DependList[i] = abname;
}
else
{
Debug.LogError("获取GUID失败：" + dependAssetName);
}
}
}
}
else
{
//2.整理runtime路径 替换路径名为Resource规则的名字
foreach (var asset in newbuildInfo.AssetDataMaps)
{
if (asset.Key.Contains(runtimeStr))
{
var newName = asset.Value.ABName;
//移除runtime之前的路径、后缀
var index = newName.IndexOf(runtimeStr);
newName = newName.Substring(index + 1); //runtimeStr.Length);
var extension = Path.GetExtension(newName);
if (!string.IsNullOrEmpty(extension))
{
newName = newName.Replace(extension, "");
}
//刷新整个列表替换
foreach (var _asset in newbuildInfo.AssetDataMaps)
{
var oldName = asset.Key.ToLower();
//ab替换
if (_asset.Value.ABName == oldName)
{
_asset.Value.ABName = newName;
}
//依赖替换
for (int i = 0; i < _asset.Value.DependList.Count; i++)
{
if (_asset.Value.DependList[i] == oldName)
{
_asset.Value.DependList[i] = newName;
}
}
}
}
}
}
#endregion
#region 生成Runtime使用的Config
//根据buildinfo 生成加载用的 Config
//1.只保留Runtime目录下的配置
ManifestConfig config = new ManifestConfig();
config.IsHashName = isHashName;
//
foreach (var item in newbuildInfo.AssetDataMaps)
{
//runtime路径下，
//改成用Resources加载规则命名的key
if (item.Key.Contains(runtimeStr))
{
var key = item.Key;
//移除runtime之前的路径、后缀
var index = key.IndexOf(runtimeStr);
if (config.IsHashName)
{
key = key.Substring(index + runtimeStr.Length); //hash要去掉runtime
}
else
{
key = key.Substring(index + 1); // 保留runtime
}
var exten = Path.GetExtension(key);
if (!string.IsNullOrEmpty(exten))
{
key = key.Replace(exten, "");
}
//添加manifest
var mi = new ManifestItem(item.Value.ABName, (ManifestItem.AssetTypeEnum)item.Value.Type,
new List <string>(item.Value.DependList));
config.ManifestMap[key] = mi;
}
}
//写入
FileHelper.WriteAllText(artOutputPath + "/Config.json", JsonMapper.ToJson(config));
#endregion
#region 设置ABname
/***********************开始设置build ab************************/
//设置AB name
foreach (var changedAsset in changedBuildInfo.AssetDataMaps)
{
//根据改变的ChangedAssets,获取Asset的资源
var key = changedAsset.Key;
var asset = newbuildInfo.AssetDataMaps[changedAsset.Key];
//设置ABName 有ab的则用ab ，没有就用configpath
string abname = asset.ABName;
//
var ai = GetAssetImporter(key);
if (ai)
{
ai.assetBundleName = abname;
}
}
#endregion
//3.生成AssetBundle
try
{
BuildAssetBundle(target, _outputPath, options);
}
catch (Exception e)
{
Debug.LogException(e);
throw;
}
//4.清除AB Name
RemoveAllAssetbundleName();
AssetImpoterCacheMap.Clear();
//the end.删除无用文件
var delFiles = Directory.GetFiles(artOutputPath, "*", SearchOption.AllDirectories);
foreach (var df in delFiles)
{
var ext = Path.GetExtension(df);
if (ext == ".meta" || ext == ".manifest")
{
File.Delete(df);
}
}
//the end. BuildInfo写入
if (File.Exists(buildInfoPath))
{
string targetPath = artOutputPath + "/BuildInfo.old.json";
File.Delete(targetPath);
File.Move(buildInfoPath, targetPath);
}
FileHelper.WriteAllText(buildInfoPath, buildinfoCahce);
//BD生命周期触发
BDEditorBehaviorHelper.OnEndBuildAssetBundle(outputPath);
AssetHelper.AssetHelper.GenPackageBuildInfo(outputPath, platform);
return(true);
}