ResVersionFile _GetRemoteVersionFile()
{
ResVersionFile versionFile;
var txt = this.DownloadTxt(ResConfig.VERSION_FILE);
if (string.IsNullOrEmpty(txt) == false)
{
versionFile = ResVersionFile.UnSerialize(txt);
}
else
{
versionFile = new ResVersionFile(0);
}
return(versionFile);
}
ResVersionFile _GetLocalVersionFile()
{
ResVersionFile versionFile;
byte[] bytes = null;
var txt = this.LoadTxtAtPath(ResConfig.VERSION_FILE, ref bytes);
if (string.IsNullOrEmpty(txt) == false)
{
versionFile = ResVersionFile.UnSerialize(txt);
}
else
{
versionFile = new ResVersionFile(0);
}
return(versionFile);
}
ResVersionFile GetLocalVersionFile()
{
ResVersionFile versionFile;
var txtAsset = this.Load <TextAsset>(ResConfig.VERSION_FILE);
var txt = txtAsset.text;
if (string.IsNullOrEmpty(txt) == false)
{
versionFile = ResVersionFile.UnSerialize(txt);
}
else
{
versionFile = new ResVersionFile(0);
}
// Unload
this.UnloadAsset(ResConfig.VERSION_FILE);
return(versionFile);
}
IEnumerator HotUpdating()
{
// Get local version file at first
var localVersionFile = GetLocalVersionFile();
// Get remote version file and compare
// Download remote version file and save to temporary directory
var file = ResConfig.ConvertToBundleName(ResConfig.VERSION_FILE) + ResConfig.BUNDLE_EXTENSION;
var assets = new List <string>();
assets.Add(file);
var fileFolder = "resversionfile_tempfolder";
var fileDirectory = ResConfig.MOBILE_HOTUPDATE_PATH + "/" + fileFolder;
var failure = false;
byte[] downloadBytes = null;
yield return(this.StartCoroutine(this.DownloadAssetsAsyncAndSave(
ResConfig.SERVER_URL + "/",
assets,
(processInfo, www) => {
if (string.IsNullOrEmpty(processInfo.Error) == false)
{
failure = true;
processInfo.Index = -1;
processInfo.Count = 0;
this.NotifyHotUpdate(processInfo);
}
else
{
var length = www.bytesDownloaded;
// var length = www.bytes.Length;
downloadBytes = new byte[length];
Array.Copy(www.bytes, 0, downloadBytes, 0, length);
}
},
fileDirectory
)));
if (failure)
{
yield break;
}
var txtAsset = this.Load <TextAsset>(fileFolder + "/" + ResConfig.VERSION_FILE);
if (txtAsset == null)
{
var processInfo = new ProcessInfo();
processInfo.File = ResConfig.VERSION_FILE;
processInfo.Index = -1;
processInfo.Count = 0;
processInfo.Error = "Download version file error";
this.NotifyHotUpdate(processInfo);
yield break;
}
var txt = txtAsset.text;
var remoteVersionFile = ResVersionFile.UnSerialize(txt);
// Unload asset bundle
this.UnloadAsset(fileFolder + "/" + ResConfig.VERSION_FILE);
// Hotupdating(download and save)
var diffInfos = ResVersionFile.GetDiffInfos(localVersionFile, remoteVersionFile);
if (diffInfos.Count <= 0)
{
this.NotifyNoHotUpdate();
yield break;
}
assets.Clear();
for (int i = 0; i < diffInfos.Count; ++i)
{
var asset = diffInfos[i].File;
assets.Add(asset);
}
var count = assets.Count;
var downloadedCount = 0;
yield return(this.StartCoroutine(this.DownloadAssetsAsyncAndSave(
ResConfig.SERVER_URL + "/",
assets,
(processInfo, www) => {
downloadedCount++;
processInfo.Index = downloadedCount - 1;
processInfo.Count = assets.Count;
this.NotifyHotUpdate(processInfo);
}
)));
// Finally replace local version file
FileUtility.WriteFile(ResConfig.MOBILE_HOTUPDATE_PATH + "/" + file, downloadBytes, downloadBytes.Length, false);
}