public void CleanUpManifestFile()
{
// read file
string mp3ManifestFile = GetMp3ListFilePath();
List <string> lines = File.ReadAllText(mp3ManifestFile).Split(new[] { Environment.NewLine }, StringSplitOptions.None).ToList();
string pattern = @"(.+) \| (.+)";
string parseMp3(string line) => MatchGroup(line, pattern, 1);
// filter out lines whose mp3s no longer exist
List <string> keepLines = new List <string>();
foreach (string line in lines)
{
var relMp3 = parseMp3(line);
var absMp3 = JunUtils.FullPathFromSongsFolder(relMp3);
if (File.Exists(absMp3))
{
keepLines.Add(line);
}
}
// write to file
File.WriteAllText(mp3ManifestFile, String.Join(Environment.NewLine, keepLines));
}
private void formAnimationTimer_Tick(object sender, EventArgs e)
{
Color startBackColor = Color.FromArgb(71, 115, 66);
Color endBackColor = Color.FromArgb(45, 42, 63);
var saveButtons = new List <Button>()
{
saveButton1, saveButton2, saveButton3, saveButton4
};
for (int i = 0; i < saveButtons.Count; i++)
{
// linearly interpolate colour
// saveButtonHighlight 1.0 -> 0.0
if (saveButtonHighlight[i] > 0)
{
saveButtons[i].FlatAppearance.MouseOverBackColor = JunUtils.LerpColor(startBackColor, endBackColor, 1 - saveButtonHighlight[i]);
saveButtons[i].ForeColor = JunUtils.LerpColor(Color.White, Color.FromArgb(90, 90, 134), 1 - saveButtonHighlight[i]);
}
// decay
saveButtonHighlight[i] -= HIGHLIGHT_FADE;
if (saveButtonHighlight[i] <= 0)
{
saveButtonHighlight[i] = 0M;
saveButtons[i].ForeColor = Color.FromArgb(90, 90, 134);
saveButtons[i].Text = "Save";
saveButtons[i].FlatAppearance.MouseOverBackColor = Color.Empty;
}
}
}
// AR modifications: HR, DT, DTHR, BpmMultiplier
public static decimal CalculateMultipliedAR(Beatmap map, decimal BpmMultiplier)
{
decimal newbpmMs = ApproachRateToMs(map.ApproachRate) / BpmMultiplier;
decimal newbpmAR = MsToApproachRate(newbpmMs);
return(JunUtils.Clamp(newbpmAR, 0, 11));
}
public async void GenerateBeatmap()
{
if (State != EditorState.READY)
{
return;
}
// pre
SetState(EditorState.GENERATING_BEATMAP);
// main phase
Beatmap exportBeatmap = NewBeatmap.Copy();
ModifyBeatmapMetadata(exportBeatmap, BpmMultiplier, ChangePitch);
if (!File.Exists(JunUtils.GetBeatmapDirectoryName(OriginalBeatmap) + "\\" + exportBeatmap.AudioFilename))
{
string inFile = $"{Path.GetDirectoryName(OriginalBeatmap.Filename)}\\{OriginalBeatmap.AudioFilename}";
string outFile = $"{Path.GetDirectoryName(exportBeatmap.Filename)}\\{exportBeatmap.AudioFilename}";
await Task.Run(() => SongSpeedChanger.GenerateAudioFile(inFile, outFile, BpmMultiplier, ChangePitch));
// take note of this mp3 in a text file, so we can clean it up later
string mp3ManifestFile = Properties.Settings.Default.SongsFolder + "\\modified_mp3_list.txt";
using (var writer = File.AppendText(mp3ManifestFile))
{
string beatmapFolder = Path.GetDirectoryName(exportBeatmap.Filename).Replace(Properties.Settings.Default.SongsFolder + "\\", "");
string mp3RelativePath = beatmapFolder + "\\" + exportBeatmap.AudioFilename;
writer.WriteLine(mp3RelativePath + " | " + exportBeatmap.Filename);
}
}
exportBeatmap.Save();
// post
form.PlayDoneSound();
SetState(EditorState.READY);
}
public void GenerateBeatmap()
{
if (State != EditorState.READY)
{
return;
}
SetState(EditorState.GENERATING_BEATMAP);
bool compensateForDT = (NewBeatmap.ApproachRate > 10 || NewBeatmap.OverallDifficulty > 10);
// Set metadata
Beatmap exportBeatmap = new Beatmap(NewBeatmap);
ModifyBeatmapMetadata(exportBeatmap, BpmMultiplier, ChangePitch, compensateForDT);
if (NoSpinners)
{
exportBeatmap.RemoveSpinners();
}
// Slow down map by 1.5x
if (compensateForDT)
{
exportBeatmap.ApproachRate = DifficultyCalculator.CalculateMultipliedAR(NewBeatmap, 1 / 1.5M);
exportBeatmap.OverallDifficulty = DifficultyCalculator.CalculateMultipliedOD(NewBeatmap, 1 / 1.5M);
decimal compensatedRate = (NewBeatmap.Bpm / OriginalBeatmap.Bpm) / 1.5M;
exportBeatmap.SetRate(compensatedRate);
}
// Generate new mp3
var audioFilePath = Path.Combine(JunUtils.GetBeatmapDirectoryName(OriginalBeatmap), exportBeatmap.AudioFilename);
var newMp3 = "";
if (!File.Exists(audioFilePath))
{
string inFile = Path.Combine(Path.GetDirectoryName(OriginalBeatmap.Filename), OriginalBeatmap.AudioFilename);
string outFile = Path.Combine(Path.GetTempPath(), exportBeatmap.AudioFilename);
SongSpeedChanger.GenerateAudioFile(inFile, outFile, BpmMultiplier, mainform.BackgroundWorker, ChangePitch, compensateForDT);
newMp3 = outFile;
// take note of this mp3 in a text file, so we can clean it up later
string mp3ManifestFile = GetMp3ListFilePath();
List <string> manifest = File.ReadAllLines(mp3ManifestFile).ToList();
string beatmapFolder = Path.GetDirectoryName(exportBeatmap.Filename).Replace(Properties.Settings.Default.SongsFolder + "\\", "");
string mp3RelativePath = Path.Combine(beatmapFolder, exportBeatmap.AudioFilename);
manifest.Add(mp3RelativePath + " | " + exportBeatmap.Filename);
File.WriteAllLines(mp3ManifestFile, manifest);
}
// save file to temp location (do not directly put into any song folder)
exportBeatmap.Filename = Path.Combine(Path.GetTempPath(), Path.GetFileName(exportBeatmap.Filename));
exportBeatmap.Save();
// create and execute osz
AddNewBeatmapToSongFolder(Path.GetDirectoryName(OriginalBeatmap.Filename), exportBeatmap.Filename, newMp3);
// post
SetState(EditorState.READY);
}
public void SetBpm(int bpm)
{
float originalBpm = GetOriginalBpmData().Item1;
float newMultiplier = bpm / originalBpm;
newMultiplier = JunUtils.Clamp(newMultiplier, 0.1f, 5.0f);
SetBpmMultiplier(newMultiplier);
}
public static float CalculateMultipliedOD(Beatmap map, float BpmMultiplier)
{
float newbpmMs = OverallDifficultyToMs(map.OverallDifficulty) / BpmMultiplier;
float newbpmOD = MsToOverallDifficulty(newbpmMs);
newbpmOD = (float)Math.Round(newbpmOD * 10.0f) / 10.0f;
newbpmOD = JunUtils.Clamp(newbpmOD, 0, 10);
return(newbpmOD);
}
public static decimal CalculateMultipliedOD(Beatmap map, decimal BpmMultiplier)
{
decimal newbpmMs = OverallDifficultyToMs(map.OverallDifficulty) / BpmMultiplier;
decimal newbpmOD = MsToOverallDifficulty(newbpmMs);
newbpmOD = (decimal)Math.Round(newbpmOD * 10.0M) / 10.0M;
newbpmOD = JunUtils.Clamp(newbpmOD, 0, 11);
return(newbpmOD);
}
// return the new beatmap object if success
// return null on failure
private Beatmap LoadBeatmap(string beatmapPath)
{
// test if the beatmap is valid before committing to using it
Beatmap retMap;
try
{
retMap = new Beatmap(beatmapPath);
}
catch (FormatException e)
{
Console.WriteLine("Bad .osu file format");
OriginalBeatmap = null;
NewBeatmap = null;
return(null);
}
// Check if beatmap was loaded successfully
if (retMap.Filename == null && retMap.Title == null)
{
Console.WriteLine("Bad .osu file format");
return(null);
}
// Check if this map was generated by osu-trainer
if (retMap.Tags.Contains("osutrainer"))
{
string[] diffFiles = Directory.GetFiles(Path.GetDirectoryName(retMap.Filename), "*.osu");
int candidateSimilarity = int.MaxValue;
Beatmap candidate = null;
foreach (string diff in diffFiles)
{
Beatmap map = new Beatmap(diff);
if (map.Tags.Contains("osutrainer"))
{
continue;
}
// lower value => more similar
int similarity = JunUtils.LevenshteinDistance(retMap.Version, map.Version);
if (similarity < candidateSimilarity)
{
candidate = map;
candidateSimilarity = similarity;
}
}
// just assume this shit is the original beatmap
if (candidate != null)
{
retMap = candidate;
}
}
return(retMap);
}
public DeleteMp3sForm(List <string> filesToDelete)
{
InitializeComponent();
List <string> uniqueFilesToDelete = filesToDelete.Distinct().ToList();
// filter out files that don't exist
Dictionary <string, string> pathMapping = new Dictionary <string, string>();
uniqueFilesToDelete.ForEach(file => pathMapping.Add(file, JunUtils.FullPathFromSongsFolder(file)));
List <string> relativeFileList = uniqueFilesToDelete.Where(file => File.Exists(JunUtils.FullPathFromSongsFolder(file))).ToList();
// populate listview
string formatFileSize(long len)
{
string[] sizes = { "B", "KB", "MB", "GB", "TB" };
int order = 0;
decimal value = (decimal)len;
while (value >= 1024 && order < sizes.Length - 1)
{
order++;
value = value / 1024;
}
return(String.Format("{0:0.##} {1}", value, sizes[order]));
}
ListViewItem fileToListViewItem(string file)
{
string[] subitems = new string[3];
FileInfo fi = new FileInfo(JunUtils.FullPathFromSongsFolder(file));
subitems[0] = file; // path relative to songs folder
subitems[1] = fi.CreationTime.ToString("d"); // date created
subitems[2] = formatFileSize(fi.Length); // size
return(new ListViewItem(subitems));
}
fileListView.Items.Clear();
relativeFileList
.Select(file => fileToListViewItem(file))
.ToList()
.ForEach(item => fileListView.Items.Add(item));
// update total filesize label
long totalSize = relativeFileList
.Select(file => new FileInfo(JunUtils.FullPathFromSongsFolder(file)).Length)
.Sum();
fileSizeLabel.Text = $"Total: {formatFileSize(totalSize)} to be deleted";
confirmButton.Focus();
}
public static Color LerpColor(Color StartColor, Color EndColor, decimal Progress)
{
var startSat = StartColor.GetSaturation();
var startHue = StartColor.GetHue();
var startBri = StartColor.GetBrightness();
var endSat = EndColor.GetSaturation();
var endHue = EndColor.GetHue();
var endBri = EndColor.GetBrightness();
var currentSat = startSat + (float)Progress * (endSat - startSat);
var currentHue = startHue + (float)Progress * (endHue - startHue);
var currentBri = startBri + (float)Progress * (endBri - startBri);
return(JunUtils.ColorFromHSV(currentHue, currentSat, currentBri));
}
public List <string> GetUnusedMp3s()
{
// read manifest file
List <string> lines = new List <string>();
string mp3ManifestFile = GetMp3ListFilePath();
if (!File.Exists(mp3ManifestFile))
{
return(new List <string>());
}
using (var reader = File.OpenText(mp3ManifestFile))
{
string line = "";
while ((line = reader.ReadLine()) != null)
{
lines.Add(line);
}
}
// convert that shit into a dictionary
var mp3Dict = new Dictionary <string, List <string> >();
string pattern = @"(.+) \| (.+)";
string parseMp3(string line) => MatchGroup(line, pattern, 1);
string parseOsu(string line) => MatchGroup(line, pattern, 2);
// create dictionary keys
lines
.Select(line => parseMp3(line)).ToList()
.Distinct()
.ToList()
.ForEach(mp3 => mp3Dict.Add(mp3, new List <string>()));
// populate dictionary values
foreach ((string mp3, string osu) in lines.Select(line => (parseMp3(line), parseOsu(line))))
{
mp3Dict[mp3].Add(osu);
}
// find all keys where none of the associated beatmaps exist, but the mp3 still exists
bool noFilesExist(bool acc, string file) => acc && !File.Exists(file);
return(lines
.Select(line => parseMp3(line))
.Where(mp3 => mp3Dict[mp3].Aggregate(true, noFilesExist))
.Where(mp3 => File.Exists(JunUtils.FullPathFromSongsFolder(mp3)))
.ToList());
}
private void DeleteButton_Click(object sender, EventArgs e)
{
var mp3List = editor.GetUnusedMp3s();
if (new DeleteMp3sForm(mp3List).ShowDialog() == DialogResult.OK)
{
mp3List
.Select(relativeMp3 => JunUtils.FullPathFromSongsFolder(relativeMp3))
.Select(absMp3 => new FileInfo(absMp3))
.ToList()
.ForEach(file => file.Delete());
if (mp3List.Count > 0)
{
MessageBox.Show($"Deleted {mp3List.Count} file(s).", "Success");
}
editor.CleanUpManifestFile();
}
}
private void DeleteButton_Click(object sender, EventArgs e)
{
if (gameLoaded == true)
{
MessageBox.Show("Please close osu! first then try again.", "osu! is running");
return;
}
var mp3List = editor.GetUnusedMp3s();
if (new DeleteMp3sForm(mp3List).ShowDialog() == DialogResult.OK)
{
mp3List
.Select(relativeMp3 => JunUtils.FullPathFromSongsFolder(relativeMp3))
.Select(absMp3 => new FileInfo(absMp3))
.ToList()
.ForEach(file => file.Delete());
if (mp3List.Count > 0)
{
MessageBox.Show($"Deleted {mp3List.Count} file(s).", "Success");
}
editor.CleanUpManifestFile();
}
}
public static void GenerateAudioFile(string inFile, string outFile, decimal multiplier, BackgroundWorker worker, bool changePitch = false, bool preDT = false)
{
decimal compensatedMultiplier = multiplier / 1.5M;
string temp1 = JunUtils.GetTempFilename("mp3"); // audio copy
string temp2 = JunUtils.GetTempFilename("wav"); // decoded wav
string temp3 = JunUtils.GetTempFilename("wav"); // stretched file
string temp4 = JunUtils.GetTempFilename("mp3"); // encoded mp3
// TODO: try catch
File.Copy(inFile, temp1);
worker.ReportProgress(17);
// mp3 => wav
Process lame1 = new Process();
lame1.StartInfo.FileName = Path.Combine("Speed Changer Stuff", "lame.exe");
lame1.StartInfo.Arguments = $"-q 9 --priority 4 --decode \"{temp1}\" \"{temp2}\"";
lame1.StartInfo.UseShellExecute = false;
lame1.StartInfo.CreateNoWindow = true;
lame1.Start();
lame1.WaitForExit();
worker.ReportProgress(33);
// stretch (or speed up) wav
decimal selectedMultiplier = (preDT ? compensatedMultiplier : multiplier);
decimal tempo = (selectedMultiplier - 1) * 100;
decimal cents = (decimal)(1200.0 * Math.Log((double)multiplier) / Math.Log(2));
decimal semitones = cents / 100.0M;
Process soundstretch = new Process();
soundstretch.StartInfo.FileName = Path.Combine("Speed Changer Stuff", "soundstretch.exe");
if (changePitch)
{
soundstretch.StartInfo.Arguments = $"\"{temp2}\" \"{temp3}\" -quick -naa -tempo={tempo} -pitch={semitones}";
}
else
{
soundstretch.StartInfo.Arguments = $"\"{temp2}\" \"{temp3}\" -quick -naa -tempo={tempo}";
}
Console.WriteLine(soundstretch.StartInfo.Arguments);
soundstretch.StartInfo.UseShellExecute = false;
soundstretch.StartInfo.CreateNoWindow = true;
soundstretch.Start();
soundstretch.WaitForExit();
worker.ReportProgress(50);
// wav => mp3
Process lame2 = new Process();
lame2.StartInfo.FileName = Path.Combine("Speed Changer Stuff", "lame.exe");
lame2.StartInfo.Arguments = $"-q 9 --priority 4 \"{temp3}\" \"{temp4}\"";
lame2.StartInfo.UseShellExecute = false;
lame2.StartInfo.CreateNoWindow = true;
lame2.Start();
lame2.WaitForExit();
worker.ReportProgress(67);
if (File.Exists(outFile))
{
File.Delete(outFile);
}
File.Copy(temp4, outFile);
worker.ReportProgress(83);
// Clean up
File.Delete(temp1);
File.Delete(temp2);
File.Delete(temp3);
File.Delete(temp4);
worker.ReportProgress(100);
}
// OUT: beatmap.Version
// OUT: beatmap.Filename
// OUT: beatmap.AudioFilename (if multiplier is not 1x)
// OUT: beatmap.Tags
private void ModifyBeatmapMetadata(Beatmap map, float multiplier, bool changePitch = false)
{
if (multiplier == 1)
{
string ARODCS = "";
if (NewBeatmap.ApproachRate != OriginalBeatmap.ApproachRate)
{
ARODCS += $" AR{NewBeatmap.ApproachRate}";
}
if (NewBeatmap.OverallDifficulty != OriginalBeatmap.OverallDifficulty)
{
ARODCS += $" OD{NewBeatmap.OverallDifficulty}";
}
if (NewBeatmap.CircleSize != OriginalBeatmap.CircleSize)
{
ARODCS += $" CS{NewBeatmap.CircleSize}";
}
map.Version += ARODCS;
}
else
{
// If song has changed, no ARODCS in diff name
var bpmsUnique = GetBpmList(map).Distinct().ToList();
if (bpmsUnique.Count >= 2)
{
map.Version += $" x{multiplier}";
}
else
{
map.Version += $" {(bpmsUnique[0]).ToString("0")}bpm";
}
map.AudioFilename = map.AudioFilename.Substring(0, map.AudioFilename.LastIndexOf(".", StringComparison.InvariantCulture)) + " " + GetBpmData(map).Item1 + "bpm.mp3";
if (changePitch)
{
map.AudioFilename = $"{Path.GetFileNameWithoutExtension(map.AudioFilename)} {multiplier:0.000}x.mp3";
}
if (changePitch)
{
map.AudioFilename = $"{Path.GetFileNameWithoutExtension(map.AudioFilename)} {multiplier:0.000}x (pitch {(multiplier < 1 ? "lowered" : "raised")}).mp3";
}
}
map.Filename = map.Filename.Substring(0, map.Filename.LastIndexOf("\\", StringComparison.InvariantCulture) + 1) + JunUtils.NormalizeText(map.Artist) + " - " + JunUtils.NormalizeText(map.Title) + " (" + JunUtils.NormalizeText(map.Creator) + ")" + " [" + JunUtils.NormalizeText(map.Version) + "].osu";
// make this map searchable in the in-game menus
map.Tags.Add("osutrainer");
}
private async void ServiceBeatmapChangeRequest()
{
// acquire mutually exclusive entry into this method
serviceBeatmapRequestLocked = true;
Beatmap candidateOriginalBeatmap = null, candidateNewBeatmap = null;
while (completedBeatmapRequest == null || completedBeatmapRequest.RequestNumber != mapChangeRequests.Last().RequestNumber)
{
completedBeatmapRequest = mapChangeRequests.Last();
candidateOriginalBeatmap = await Task.Run(() => LoadBeatmap(mapChangeRequests.Last().Name));
if (candidateOriginalBeatmap != null)
{
candidateNewBeatmap = new Beatmap(candidateOriginalBeatmap);
}
// if a new request came in, invalidate candidate beatmap and service the new request
}
// no new requests, we can commit to using this beatmap
OriginalBeatmap = candidateOriginalBeatmap;
NewBeatmap = candidateNewBeatmap;
if (OriginalBeatmap == null)
{
SetState(EditorState.NOT_READY);
NotReadyReason = BadBeatmapReason.ERROR_LOADING_BEATMAP;
BeatmapSwitched?.Invoke(this, EventArgs.Empty);
}
else
{
if (OriginalBeatmap.HitObjectCount == 0)
{
SetState(EditorState.NOT_READY);
NotReadyReason = BadBeatmapReason.EMPTY_MAP;
BeatmapSwitched?.Invoke(this, EventArgs.Empty);
}
else
{
// Apply multiplier
NewBeatmap.SetRate(BpmMultiplier);
// Apply bpm scaled settings
if (ScaleAR)
{
NewBeatmap.ApproachRate = DifficultyCalculator.CalculateMultipliedAR(candidateOriginalBeatmap, BpmMultiplier);
}
if (ScaleOD)
{
NewBeatmap.OverallDifficulty = DifficultyCalculator.CalculateMultipliedOD(candidateOriginalBeatmap, BpmMultiplier);
}
// Apply locked settings
if (HpIsLocked)
{
NewBeatmap.HPDrainRate = lockedHP;
}
if (CsIsLocked)
{
NewBeatmap.CircleSize = lockedCS;
}
if (ArIsLocked)
{
NewBeatmap.ApproachRate = lockedAR;
}
if (OdIsLocked)
{
NewBeatmap.OverallDifficulty = lockedOD;
}
if (BpmIsLocked)
{
SetBpm(lockedBpm);
}
// Apply Hardrock
if (EmulateHardrock)
{
NewBeatmap.CircleSize = OriginalBeatmap.CircleSize * 1.3M;
}
if (EmulateHardrock)
{
NewBeatmap.OverallDifficulty = JunUtils.Clamp(GetScaledOD() * 1.4M, 0M, 10M);
}
SetState(EditorState.READY);
RequestDiffCalc();
BeatmapSwitched?.Invoke(this, EventArgs.Empty);
BeatmapModified?.Invoke(this, EventArgs.Empty);
}
}
ControlsModified?.Invoke(this, EventArgs.Empty);
serviceBeatmapRequestLocked = false;
}
public static void GenerateAudioFile(string inFile, string outFile, double multiplier, bool changePitch = false)
{
if (multiplier == 1)
{
throw new ArgumentException("Don't call this function if multiplier is 1.0x");
}
string temp1 = JunUtils.GetTempFilename("mp3"); // audio copy
string temp2 = JunUtils.GetTempFilename("wav"); // decoded wav
string temp3 = JunUtils.GetTempFilename("wav"); // stretched file
string temp4 = JunUtils.GetTempFilename("mp3"); // encoded mp3
// TODO: try catch
CopyFile(inFile, temp1);
// mp3 => wav
Process lame1 = new Process();
lame1.StartInfo.FileName = "Speed Changer Stuff\\lame.exe";
lame1.StartInfo.Arguments = $"-q 9 --priority 4 --decode \"{temp1}\" \"{temp2}\"";
lame1.StartInfo.UseShellExecute = false;
lame1.StartInfo.CreateNoWindow = true;
lame1.Start();
lame1.WaitForExit();
// stretch (or speed up) wav
float cents = (float)(1200.0f * Math.Log(multiplier) / Math.Log(2));
float semitones = cents / 100.0f;
Process soundstretch = new Process();
soundstretch.StartInfo.FileName = "Speed Changer Stuff\\soundstretch.exe";
if (changePitch)
{
soundstretch.StartInfo.Arguments = $"\"{temp2}\" \"{temp3}\" -quick -naa -tempo={(multiplier - 1) * 100} -pitch={semitones}";
}
else
{
soundstretch.StartInfo.Arguments = $"\"{temp2}\" \"{temp3}\" -quick -naa -tempo={(multiplier - 1) * 100}";
}
soundstretch.StartInfo.UseShellExecute = false;
soundstretch.StartInfo.CreateNoWindow = true;
soundstretch.Start();
soundstretch.WaitForExit();
// wav => mp3
Process lame2 = new Process();
lame2.StartInfo.FileName = "Speed Changer Stuff\\lame.exe";
lame2.StartInfo.Arguments = $"-q 9 --priority 4 \"{temp3}\" \"{temp4}\"";
lame2.StartInfo.UseShellExecute = false;
lame2.StartInfo.CreateNoWindow = true;
lame2.Start();
lame2.WaitForExit();
CopyFile(temp4, outFile);
// Clean up
File.Delete(temp1);
File.Delete(temp2);
File.Delete(temp3);
File.Delete(temp4);
}
