public void Export()
{
List <AssetBundleBuild> list = new List <AssetBundleBuild>();
//标记所有 asset bundle name
var all = AssetBundleUtil.GetAll();
for (int i = 0; i < all.Count; i++)
{
AssetTarget target = all[i];
if (target.needSelfExport)
{
AssetBundleBuild build = new AssetBundleBuild();
build.assetBundleName = target.bundleName;
build.assetNames = new string[] { target.assetPath };
list.Add(build);
}
}
string bundleSavePath = AssetBundleUtil.GetBundleDir();
//开始打包
BuildPipeline.BuildAssetBundles(bundleSavePath, list.ToArray(), BuildAssetBundleOptions.UncompressedAssetBundle, EditorUserBuildSettings.activeBuildTarget);
AssetBundle ab = AssetBundle.LoadFromFile(bundleSavePath + "/AssetBundles");
AssetBundleManifest manifest = ab.LoadAsset("AssetBundleManifest") as AssetBundleManifest;
//hash
for (int i = 0; i < all.Count; i++)
{
AssetTarget target = all[i];
if (target.needSelfExport)
{
Hash128 hash = manifest.GetAssetBundleHash(target.bundleName);
if (target.bundleCrc != hash.ToString())
{
if (AssetBundleBuildPanel.ABUpdateOpen)
{
string savePath = Path.Combine(Path.GetTempPath(), target.bundleName);
string downloadPath = Path.Combine(Path.Combine(AssetBundleBuildPanel.TargetFolder, "AssetBundles"), target.bundleName);
File.Copy(savePath, downloadPath, true);
XMetaResPackage pack = new XMetaResPackage();
pack.buildinpath = target.bundleShortName;
pack.download = string.Format("AssetBundles/{0}", target.bundleName);
pack.Size = (uint)(new FileInfo(downloadPath)).Length;
if (pack.Size != (new FileInfo(downloadPath)).Length)
{
EditorUtility.DisplayDialog("Bundle ", target.bundleShortName + " is lager than UINTMAX!!!", "OK");
}
AssetBundleBuildPanel.assetBundleUpdate.Add(pack);
File.Copy(savePath, bundleSavePath, true);
}
}
target.bundleCrc = hash.ToString();
}
}
SaveDepAll(all);
ab.Unload(true);
RemoveUnused(all);
AssetDatabase.RemoveUnusedAssetBundleNames();
AssetDatabase.Refresh();
}
/// <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 <AssetTarget> all)
{
HashSet <string> usedSet = new HashSet <string>();
for (int i = 0; i < all.Count; i++)
{
AssetTarget target = all[i];
if (target.needSelfExport)
{
usedSet.Add(target.bundleName);
}
}
DirectoryInfo di = new DirectoryInfo(AssetBundleUtil.GetBundleDir());
FileInfo[] abFiles = di.GetFiles("*.ab");
for (int i = 0; i < abFiles.Length; i++)
{
FileInfo fi = abFiles[i];
if (usedSet.Add(fi.Name))
{
XDebug.Log("Remove unused AB : ", fi.Name);
fi.Delete();
File.Delete(fi.FullName + ".manifest");
}
}
}
public AssetTarget(Object o, FileInfo f, string ap)
{
asset = o;
file = f;
assetPath = ap;
bundleShortName = file.Name.ToLower();
bundleName = XCommon.singleton.XHash(AssetBundleUtil.ConvertToABName(assetPath)) + ".ab";
bundleSavePath = Path.Combine(AssetBundleUtil.GetBundleDir(), bundleName);
_isFileChanged = true;
_metaHash = "0";
}
void InitDirs()
{
new DirectoryInfo(AssetBundleUtil.GetBundleDir()).Create();
new FileInfo(AssetBundleUtil.GetCacheFile()).Directory.Create();
}