/// <summary>
/// Purges the cpipe cache.
/// Called when app starts and runs if the app version on disk is older then the app verison.
/// The purge will delete any english or non loc specific files and update the cache with all of the latest version from the embedded manifest.
/// </summary>
public static void PurgeCpipeCache()
{
bool doPurge = false;
Dictionary <string, string> cache = new Dictionary <string, string>();
PersistentDataStorage persistentDataStorage = new PersistentDataStorage(Game.None);
StreamingAssetsStorage streamingAssetsStorage = new StreamingAssetsStorage(Game.None, null);
//if app version has increased, do purge
AppVersion appVersion = new AppVersion(Application.version);
if (persistentDataStorage.FileExists(appVerisonFile))
{
AppVersion storedVersion = new AppVersion(persistentDataStorage.LoadText(appVerisonFile));
if (storedVersion.Major > appVersion.Major)
{
doPurge = true;
}
else if (storedVersion.Major >= appVersion.Major && storedVersion.Minor > appVersion.Minor)
{
doPurge = true;
}
else if (storedVersion.Major >= appVersion.Major && storedVersion.Minor >= appVersion.Minor && storedVersion.Revision > appVersion.Revision)
{
doPurge = true;
}
}
else
{
doPurge = true;
}
Log.Debug("dopurge " + doPurge, Log.LogChannel.General);
if (doPurge == false)
{
return;
}
string oldCache = "";
if (persistentDataStorage.FileExists(CacheName))
{
oldCache = persistentDataStorage.LoadText(CacheName);
string[] tempOldCacheLines = oldCache.Split('\n');
for (int i = 0; i < tempOldCacheLines.Length; i++)
{
if (!string.IsNullOrEmpty(tempOldCacheLines[i]))
{
string rawLine = tempOldCacheLines[i];
string[] rawLineComponents = rawLine.Split(':');
cache[rawLineComponents[0]] = rawLineComponents[1];
}
}
}
Log.Debug("load manifest from streaming at " + Application.streamingAssetsPath + "/" + Game.ForceVision + "/" + EmbeddedCpipeManifestFile, Log.LogChannel.General);
//load streaming assets manifest and write cache file of embedded content
streamingAssetsStorage.LoadStreamingAssetsText(Game.ForceVision + "/" + EmbeddedCpipeManifestFile, (error, text) =>
{
if (string.IsNullOrEmpty(error))
{
try
{
JSONObject manifest = new JSONObject(text);
WriteManifestVersion(manifest["version"].ToString());
JSONObject paths = manifest["paths"];
string newCacheString = "";
for (int i = 0; i < paths.keys.Count; i++)
{
string folder = paths.keys[i];
string v = paths[i]["v"].ToString();
//update english only
bool isEnglishFile = true;
foreach (string languageFolder in Localizer.LanguageFolders)
{
if (folder.Contains("GeneratedSoundBanks") && folder.Contains("/" + languageFolder + "/") && languageFolder != Localizer.LanguageFolders[0])
{
isEnglishFile = false;
Log.Debug("non english file found. path = " + folder, Log.LogChannel.Download);
}
}
if (isEnglishFile)
{
if (cache.ContainsKey(folder))
{
//if in cache already then update to local version and delete local file
if (persistentDataStorage.FileExists(folder))
{
persistentDataStorage.DeleteFile(folder);
Log.Debug("deleteing file in " + folder, Log.LogChannel.Download);
}
}
newCacheString += folder + ":" + v + "\n";
}
else
{
if (cache.ContainsKey(folder))
{
newCacheString += folder + ":" + v + "\n";
}
}
}
persistentDataStorage.SaveText(CacheName, newCacheString, false);
persistentDataStorage.SaveText(appVerisonFile, Application.version, false);
}
catch (System.Exception e)
{
Log.Exception(e);
}
}
else
{
#if !UNITY_EDITOR
Log.Error("error loading manifest from streamingassets. " + error);
#endif
}
}, true);
}
