/// <summary>
/// 删除未使用的AB，可能是上次打包出来的，而这一次没生成的
/// </summary>
/// <param name="all"></param>
protected void RemoveUnused(List <FastAssetTarget> all)
{
HashSet <string> usedSet = new HashSet <string>();
for (int i = 0; i < all.Count; i++)
{
FastAssetTarget target = all[i];
if (target.needSelfExport)
{
usedSet.Add(target.bundleName);
}
}
DirectoryInfo di = new DirectoryInfo(pathResolver.BundleSavePath);
FileInfo[] abFiles = di.GetFiles("*" + FastContent.BundleSuffix);
for (int i = 0; i < abFiles.Length; i++)
{
FileInfo fi = abFiles[i];
if (usedSet.Add(fi.Name))
{
Debug.Log("Remove unused AB : " + fi.Name);
fi.Delete();
//for U5X
File.Delete(fi.FullName + ".manifest");
}
}
}
public static FastAssetTarget Load(FileInfo file, System.Type t)
{
FastAssetTarget target = null;
string fullPath = file.FullName;
int index = fullPath.IndexOf("Assets");
if (index != -1)
{
string assetPath = fullPath.Substring(index);
if (_assetPath2target.ContainsKey(assetPath))
{
target = _assetPath2target[assetPath];
}
else
{
Object o = null;
if (t == null)
{
o = AssetDatabase.LoadMainAssetAtPath(assetPath);
}
else
{
o = AssetDatabase.LoadAssetAtPath(assetPath, t);
}
if (o != null)
{
int instanceId = o.GetInstanceID();
if (_object2target.ContainsKey(instanceId))
{
target = _object2target[instanceId];
}
else
{
target = new FastAssetTarget(o, file, assetPath);
string key = string.Format("{0}/{1}", assetPath, instanceId);
_assetPath2target[key] = target;
_object2target[instanceId] = target;
}
}
}
}
return(target);
}
public override void Export()
{
base.Export();
List <AssetBundleBuild> list = new List <AssetBundleBuild>();
//标记所有 asset bundle name
var all = FastAssetBundleUtils.GetAll();
for (int i = 0; i < all.Count; i++)
{
FastAssetTarget target = all[i];
if (target.needSelfExport)
{
AssetBundleBuild build = new AssetBundleBuild();
build.assetBundleName = target.bundleName;
build.assetNames = new string[] { target.assetPath };
list.Add(build);
}
}
//开始打包
BuildPipeline.BuildAssetBundles(pathResolver.BundleSavePath, list.ToArray(), BuildAssetBundleOptions.ChunkBasedCompression, EditorUserBuildSettings.activeBuildTarget);
AssetBundle ab = AssetBundle.LoadFromFile(pathResolver.BundleSavePath + pathResolver.BundleName);
AssetBundleManifest manifest = ab.LoadAsset("AssetBundleManifest") as AssetBundleManifest;
//hash
for (int i = 0; i < all.Count; i++)
{
FastAssetTarget target = all[i];
if (target.needSelfExport)
{
Hash128 hash = manifest.GetAssetBundleHash(target.bundleName);
target.bundleCrc = hash.ToString();
}
}
ab.Unload(true);
this.RemoveUnused(all);
AssetDatabase.RemoveUnusedAssetBundleNames();
AssetDatabase.Refresh();
}
public void AddRootTargets(DirectoryInfo bundleDir, string[] partterns = null, SearchOption searchOption = SearchOption.AllDirectories)
{
if (partterns == null)
{
partterns = new string[] { "*.*" }
}
;
for (int i = 0; i < partterns.Length; i++)
{
FileInfo[] prefabs = bundleDir.GetFiles(partterns[i], searchOption);
foreach (FileInfo file in prefabs)
{
if (file.Extension.Contains("meta"))
{
continue;
}
FastAssetTarget target = FastAssetBundleUtils.Load(file);
target.exportType = FastAssetBundleExportType.Root;
}
}
}
