public void StartAsync(MediaDevice device = null)
{
RunningTask = Task.Run(() =>
{
IsRunning = true;
string questSongDirectoryPath = null;
if (device != null)
{
var base_folder = device.GetDirectories(@"\")[0];
questSongDirectoryPath = $"{base_folder}{Oculus.QuestSongDirectoryName}";
}
var file = new FileInfo(SongLogFilePath);
var length = file.Length;
using var stream = File.Open(SongLogFilePath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
using var reader = new StreamReader(stream);
var session = new Session();
while (IsRunning)
{
var line = reader.ReadLine();
var songLevelLineHint = "LogTemp: Warning: Song level str";
var songNameLineHint = "LogTemp: Loading song";
var songScoreDetailLineHint = "LogTemp: Warning: Notes missed :";
var songScoreLineHint = "raw distance =";
if (line.Contains(songLevelLineHint))
{
session = new Session();
session.Song.Level = line.Substring(line.IndexOf(songLevelLineHint) + songLevelLineHint.Length)
.Trim(' ', '.');
}
else if (line.Contains(songScoreDetailLineHint))
{
// LogTemp: Warning: Notes missed : 0 / Notes hit : 784 / Notes not processed : 0 / hit accuracy : 0.015131 / percentage : 0.848690 / hit speed : 1077.700073 / percentage : 0.698357 / combos : 7
var startIndex = line.IndexOf(songScoreDetailLineHint) + songScoreDetailLineHint.Length;
var endIndex = line.IndexOf(" / Notes hit : ");
session.NotesMissed =
int.Parse(line.Substring(startIndex, endIndex - startIndex).Trim(' ', '.'));
startIndex = line.IndexOf(" / Notes hit : ") + " / Notes hit : ".Length;
endIndex = line.IndexOf(" / Notes not processed : ");
session.NotesHit = int.Parse(line.Substring(startIndex, endIndex - startIndex).Trim(' ', '.'));
startIndex = line.IndexOf(" / Notes not processed : ") + " / Notes not processed : ".Length;
endIndex = line.IndexOf(" / hit accuracy : ");
session.NotesNotProcessed =
int.Parse(line.Substring(startIndex, endIndex - startIndex).Trim(' ', '.'));
startIndex = line.IndexOf(" / hit accuracy : ") + " / hit accuracy : ".Length;
endIndex = line.IndexOf(" / percentage : ");
session.HitAccuracy = line.Substring(startIndex, endIndex - startIndex).Trim(' ', '.');
startIndex = line.IndexOf(" / hit accuracy : ") + " / hit accuracy : ".Length;
endIndex = startIndex + 9;
session.HitAccuracy = line.Substring(startIndex, endIndex - startIndex).Trim(' ', '.');
startIndex = endIndex + 14;
endIndex = startIndex + 9;
session.Percentage = line.Substring(startIndex, endIndex - startIndex).Trim(' ', '.');
startIndex = endIndex + 14;
endIndex = startIndex + 12;
session.HitSpeed = line.Substring(startIndex, endIndex - startIndex).Trim(' ', '.');
startIndex = endIndex + 15;
endIndex = startIndex + 8;
session.Percentage2 = line.Substring(startIndex, endIndex - startIndex).Trim(' ', '.');
startIndex = endIndex + 12;
endIndex = line.Length;
var content = line.Substring(startIndex, endIndex - startIndex).Trim(' ', '.');
session.Combos = int.Parse(content);
}
else if (line.Contains(songNameLineHint))
{
var songOggPath = line.Substring(line.IndexOf(songNameLineHint) + songNameLineHint.Length)
.Trim(' ', '.');
var songDirectoryPath = Path.GetDirectoryName(songOggPath);
// if log file is coming from quest, we need to download song before calculating hash file
if (device != null)
{
var songName = songDirectoryPath.Split('\\').Last();
var tempDir = Path.GetDirectoryName(SongLogFilePath);
var tempSongFolder = tempDir + "\\" + songName;
var oculusSongFolder = questSongDirectoryPath + "\\" + songName;
if (!device.DirectoryExists(oculusSongFolder))
{
continue;
}
device.DownloadFolder(oculusSongFolder, tempSongFolder);
songDirectoryPath = tempSongFolder;
}
var songDirectory = new DirectoryInfo(songDirectoryPath);
if (!songDirectory.Exists)
{
continue;
}
var songDatFiles = songDirectory.EnumerateFiles("*.dat");
var filesHashs = songDatFiles.Select(ComputeMd5).OrderBy(hash => hash);
var concatenatedHashs = string.Concat(filesHashs);
session.Song.Hash = ComputeMd5(concatenatedHashs);
Trace.WriteLine(
$"{DateTime.Now} - New file - Hash: {session.Song.Hash}; File: {songDirectoryPath}");
}
else if (line.Contains(songScoreLineHint))
{
var startIndex = line.IndexOf(songScoreLineHint) + songScoreLineHint.Length;
var endIndex = line.IndexOf("and adjusted distance =");
session.Score = line.Substring(startIndex, endIndex - startIndex).Trim(' ', '.');
if (session.Song.Hash is null)
{
continue;
}
Trace.WriteLine(
$"{DateTime.Now} - New session - Hash: {session.Song.Hash}; Level: {session.Song.Level}; Score: {session.Score}");
OnNewSession?.Invoke(session);
line = reader.ReadLine();
}
while (reader.EndOfStream)
{
file = new FileInfo(SongLogFilePath);
if (file.Length < length)
{
stream.Seek(0, SeekOrigin.Begin);
reader.DiscardBufferedData();
}
length = file.Length;
Thread.Sleep(WaitForNewContentMilliseconds);
// there will be no new data once the end of file is reach for oculus log
if (device != null)
{
IsRunning = false;
return;
}
}
}
});
// Waiting for oculus send score to finish before continuig and thus removing temp folder
if (device != null)
{
RunningTask.Wait();
}
}