public static bool BuildAssetsBundle(BuildAssetConfig assetConfig = null)
{
if (null == assetConfig)
{
assetConfig = new BuildAssetConfig()
{
};
}
BuildAssetsBundle(assetConfig, buildItemConfig, Path.Combine(Application.dataPath, "data"));
return(true);
}
private static void BuildAssetsBundle(BuildAssetConfig assetConfig, BuildItemConfig[] buildItemConfig, string rootPath)
{
RemoveAllAssetBundleNames();
GenerateBundles(buildItemConfig, rootPath);
if (assetConfig.isUpdate)
{
GenerateUpdatePackages(assetConfig);
}
else
{
Logger.LogError("copy assets");
CopyAsset(BuildOutputPath, Application.streamingAssetsPath);
AssetDatabase.ImportAsset("Assets/StreamingAssets/data", ImportAssetOptions.ForceUpdate);
}
}
private static void GenerateUpdatePackages(BuildAssetConfig assetConfig)
{
ResourceConfig oldConfig = LoadFileFromPackage(assetConfig.packagePath, VERFILE_CONF_PATH);
ResourceConfig oldUpdateConfig = null;
if (string.IsNullOrEmpty(assetConfig.updatePackagePath))
{
oldUpdateConfig = new ResourceConfig();
}
else
{
oldUpdateConfig = LoadFileFromPackage(assetConfig.updatePackagePath, UPDATELIST_CONF_PATH);
}
// old files md5
Dictionary <string, string> oldFileMd5 = new Dictionary <string, string>();
foreach (var item in oldConfig.resource.patchLst)
{
oldFileMd5[item.file] = item.md5;
}
foreach (var item in oldUpdateConfig.resource.patchLst)
{
oldFileMd5[item.file] = item.md5;
}
// load new verfile and caculate new verfile md5
AssetBundle newVerfileBundle = null;
ResourceConfig verfileConfig = new ResourceConfig();
string verfileHashValue = string.Empty;
try
{
byte[] verfileBytes = File.ReadAllBytes(Path.Combine(BuildOutputPath, VERFILE_CONF_PATH));
newVerfileBundle = AssetBundle.LoadFromMemory(verfileBytes);
string verfileText = newVerfileBundle.LoadAsset <TextAsset>(newVerfileBundle.GetAllAssetNames()[0]).text;
verfileConfig.Initialize(verfileText);
ResourceConfig tempVersionJson = new ResourceConfig();
tempVersionJson.Initialize(verfileText);
tempVersionJson.resource.patchLst.RemoveAll((item) => { return(item.file.Contains("verfile") || item.file.Contains("updatelist")); });
verfileHashValue = Utils.HashToMd5(Pathfinding.Serialization.JsonFx.JsonWriter.Serialize(tempVersionJson.resource));
}
finally
{
if (null != newVerfileBundle)
{
newVerfileBundle.Unload(false);
newVerfileBundle = null;
}
}
ResourceConfig updateConfig = new ResourceConfig();
updateConfig.resource.hashValue = verfileHashValue;
ConfResourceItem verfileItem = null;
foreach (var newItem in verfileConfig.resource.patchLst)
{
if (newItem.file.Contains("updatelist"))
{
continue;
}
if (newItem.file.Contains("verfile"))
{
newItem.md5 = Utils.FileToMd5(Path.Combine(BuildOutputPath, VERFILE_CONF_PATH));
verfileItem = newItem;
continue;
}
var oldItemMd5 = string.Empty;
oldFileMd5.TryGetValue(newItem.file, out oldItemMd5);
// add or modify
if (string.IsNullOrEmpty(oldItemMd5) || oldItemMd5 != newItem.md5)
{
updateConfig.resource.patchLst.Add(newItem);
}
}
if (updateConfig.resource.patchLst.Count <= 0)
{
updateConfig.resource.hashValue = oldUpdateConfig.resource.hashValue;
}
else
{
updateConfig.resource.patchLst.Add(verfileItem);
}
// set need copy asset map
Dictionary <string, string> needCopyMap = new Dictionary <string, string>();
foreach (var item in updateConfig.resource.patchLst)
{
needCopyMap.Add(item.file, Path.Combine(BuildOutputPath, item.file));
}
needCopyMap[UPDATELIST_CONF_PATH] = Path.Combine(BuildOutputPath, UPDATELIST_CONF_PATH);
// add old update list to new, but don't need to copy
foreach (var item in oldUpdateConfig.resource.patchLst)
{
// this is the old update list
if (item.file.Contains("updatelist"))
{
continue;
}
if (updateConfig.resource.patchLst.FindAll(fileItem => { return(fileItem.file == item.file); }).Count <= 0)
{
updateConfig.resource.patchLst.Add(item);
}
}
string updateListConfigText = SerializeJsonFile(updateConfig.resource, UPDATELIST_JSON_PATH);
string tempDirectory = Path.Combine(Application.dataPath, "../" + FileUtil.GetUniqueTempPathInProject());
if (!Directory.Exists(tempDirectory))
{
Directory.CreateDirectory(tempDirectory);
}
AssetBundleBuild[] buildMap = new AssetBundleBuild[]
{
new AssetBundleBuild()
{
assetBundleName = UPDATELIST_CONF_PATH, assetNames = new string[] { "Assets/data/conf/updatelist.json" }
},
};
BuildPipeline.BuildAssetBundles(tempDirectory, buildMap, BuildAssetBundleOptions.ChunkBasedCompression, CurrentBuildTarget);
CopyFileEx(Path.Combine(tempDirectory, UPDATELIST_CONF_PATH), Path.Combine(BuildOutputPath, UPDATELIST_CONF_PATH));
using (MemoryStream compressed = new MemoryStream())
{
using (ZipOutputStream compressor = new ZipOutputStream(compressed))
{
int count = 0;
try
{
compressor.SetComment(updateListConfigText);
}
catch
{
compressor.SetComment(string.Format("hash:{0}", updateConfig.resource.hashValue));
}
foreach (var fileKV in needCopyMap)
{
string file = fileKV.Value;
ZipEntry entry = new ZipEntry(fileKV.Key);
entry.DateTime = new System.DateTime();
entry.DosTime = 0;
compressor.PutNextEntry(entry);
if (Directory.Exists(file))
{
continue;
}
byte[] bytes = File.ReadAllBytes(file);
int offset = 0;
compressor.Write(bytes, offset, bytes.Length - offset);
EditorUtility.DisplayProgressBar("Generate update files", string.Format("Add:\t{0}", file), (++count % needCopyMap.Count));
}
compressor.Finish();
compressor.Flush();
byte[] fileBytes = new byte[compressed.Length];
Array.Copy(compressed.GetBuffer(), fileBytes, compressed.Length);
string fileName = string.Format("{0}_{1}_{2}_{3}.zip",
Path.GetFileNameWithoutExtension(assetConfig.packagePath),
DateTime.Now.ToString("yyyy.MM.dd_HH.mm.s"),
Utils.HashToMd5(fileBytes),
updateConfig.resource.hashValue);
string filePath = Path.Combine(UpdateBuildPath, fileName);
File.WriteAllBytes(filePath, fileBytes);
if (null != assetConfig.successCallback)
{
assetConfig.successCallback(filePath);
}
}
}
EditorUtility.ClearProgressBar();
}