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Program.cs
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using AudicaTools;
using NAudio.Wave.SampleProviders;
using osutoaudica;
using osutoaudica.osu__types;
using OsuTypes;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.IO.Compression;
using System.Linq;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading;
namespace AudicaConverter
{
class Program
{
public static string version = "1.1.0"; //https://github.com/octoberU/AudicaConverter/wiki/Creating-a-new-release-for-the-updater
public static bool beta = false;
public static string workingDirectory = Path.GetDirectoryName(Process.GetCurrentProcess().MainModule.FileName);
public static string FfmpegName {
get
{
if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
{
return "ffmpegOSX";
}
else return "ffmpeg.exe";
}
private set { }
}
public static string Ogg2moggName
{
get
{
if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
{
return "ogg2moggOSX";
}
else return "ogg2mogg.exe";
}
private set { }
}
static void Main(string[] args)
{
Thread.CurrentThread.CurrentCulture = System.Globalization.CultureInfo.InvariantCulture; //Ensures locale independent parsing.
Config.Init();
//Run/Check for updates
try
{
if (args.Length < 1) Updater.UpdateClient();
else Updater.CheckVersion();
}
catch (Exception ex)
{
Console.WriteLine("Updater has failed, make sure you're connected to the internet or update manually.\nhttps://github.com/octoberU/AudicaConverter/releases");
}
var argsList = args.ToList();
if (argsList.Count == 0 && !RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
{
Console.WriteLine("\nIn order to convert maps, drag-and-drop one or multiple .osz files, or folders of .osz files onto the AudicaConverter exe within file explorer." +
" Alternatively, you can drag-and-drop a single .osz file or folder of .osz files onto this window and hit enter.");
string input = Console.ReadLine();
input = input.Replace("\"", "");
argsList.Add(input);
}
//Get list of all songs to convert
List<string> osuSongFileNames = new List<string>();
foreach (var item in argsList)
{
if (item.Contains(".osz") || IsUnpackagedOsuSong(item))
{
osuSongFileNames.Add(item);
}
else if (Directory.Exists(item))
{
foreach (string dirItem in Directory.GetFiles(item, "*.osz")) osuSongFileNames.Add(dirItem);
foreach (string dirItem in Directory.GetDirectories(item))
{
if (IsUnpackagedOsuSong(dirItem)) osuSongFileNames.Add(dirItem);
}
}
}
if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
{
string osxInputDirectory = Path.Join(Program.workingDirectory, "Input");
if (Directory.Exists(osxInputDirectory))
{
foreach (var fileName in Directory.GetFiles(osxInputDirectory))
{
if (fileName.Contains(".osz") || IsUnpackagedOsuSong(fileName)) osuSongFileNames.Add(fileName);
}
}
else Directory.CreateDirectory(osxInputDirectory);
}
//Print messages to user depending on number of songs being converted
if (osuSongFileNames.Count >= 250)
{
Console.Clear();
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine($"Warning! You are about to convert a very large number of osu! songs ({osuSongFileNames.Count} songs). " +
$"Please note that Audica encounters problems when trying to load more than ~500 custom songs. " +
"If your total number custom songs/converts is greater than this limit, consider splitting your songs into separate folders " +
"and swapping them into the games songs folder in separate groups.");
Console.ForegroundColor = ConsoleColor.Gray;
Console.WriteLine("[Press enter to continue]");
Console.ReadLine();
}
if (!Config.parameters.converterOperationOptions.autoMode && osuSongFileNames.Count >= 25)
{
Console.Clear();
Console.ForegroundColor = ConsoleColor.Yellow;
Console.WriteLine($"You are about to manually convert a lot of songs ({osuSongFileNames.Count} songs). " +
$"You might want to consider using auto conversion mode. See this wiki page for more information: " +
"https://github.com/octoberU/AudicaConverter/wiki/Auto-Conversion-Mode-Configuration-and-Operation");
Console.ForegroundColor = ConsoleColor.Gray;
Console.WriteLine("[Press enter to continue]");
Console.ReadLine();
}
//Convert songs
for (int i = 0; i < osuSongFileNames.Count; i++)
{
string oszFileName = osuSongFileNames[i];
string[] pathElements = oszFileName.Split("\\");
string oszName = pathElements[pathElements.Length-1];
if (Config.parameters.converterOperationOptions.autoMode)
{
Console.Clear();
Console.WriteLine(@$"({i + 1}/{osuSongFileNames.Count}) Converting {oszName}...");
}
try
{
ConversionProcess.ConvertToAudica(oszFileName, Config.parameters.converterOperationOptions.autoMode ? "auto" : "manual");
}
catch (Exception e)
{
Console.Clear();
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine(@$"({i + 1}/{osuSongFileNames.Count}) {oszName} Failed to convert with the following error:");
Console.WriteLine();
Console.WriteLine(e.ToString());
Console.ForegroundColor = ConsoleColor.Gray;
if (Config.parameters.converterOperationOptions.autoMode)
{
Thread.Sleep(5000);
}
else
{
Console.WriteLine("[Press enter to continue]");
Console.ReadLine();
}
}
}
//ConversionProcess.ConvertToAudica(@"C:\audica\Repos\AudicaConverter\bin\Release\netcoreapp3.1\393663 UNDEAD CORPORATION - Flowering Night Fever.osz", "manual");
}
public static bool IsUnpackagedOsuSong(String path)
{
return Directory.Exists(path) && Directory.GetFiles(path, "*.osu").Length > 0;
}
}
public class ConversionProcess
{
public static bool snapNotes = false;
public static void ConvertToAudica(string filePath, string mode)
{
var osz = new OsuSongFile(filePath);
var audica = new Audica(Path.Join(Program.workingDirectory, "template.audica"));
ConvertTempos(osz, ref audica);
//Find number of osu!standard difficulties.
int standardDiffCount = osz.osufiles.Count(of => of.general.mode == 0);
int convertMode = 1;
if (mode == "manual")
{
Console.Clear();
Console.WriteLine($"{osz.osufiles[0].metadata.artist} - {osz.osufiles[0].metadata.title}" +
$"\nMapped by {osz.osufiles[0].metadata.creator}" +
$"\nFound {standardDiffCount} osu!standard difficulties ({osz.osufiles.Count} difficulties across all modes)");
Console.ForegroundColor = ConsoleColor.Yellow;
Console.WriteLine("\n\nSelect Conversion Mode: \n[1] Convert whole map.\n[2] Convert audio/timing only. (Intended for mappers)");
Console.ForegroundColor = ConsoleColor.Gray;
do
{
int.TryParse(Console.ReadLine(), out convertMode);
}
while (convertMode < 1 || convertMode > 2);
}
if (convertMode == 1)
{
//Remove difficulties without any hitobjects
for (int i = osz.osufiles.Count - 1; i >= 0; i--)
{
if (osz.osufiles[i].hitObjects.Count == 0)
{
if (osz.osufiles[i].general.mode != 0) standardDiffCount--;
osz.osufiles.RemoveAt(i);
}
}
if (!Config.parameters.generalOptions.allowOtherGameModes && standardDiffCount == 0)
{
if (mode == "manual")
{
Console.WriteLine("\nThis song has no osu!standard difficulties. While full map conversion of other modes are possible, they generally make for unplayable maps and " +
"are disabled by default. You can enable conversion of other modes in the config.json, but this is not recommended if you intend to play the maps unedited. " +
"[Press enter to continue]");
Console.ReadLine();
}
return;
}
if (osz.osufiles.Count == 0)
{
if (mode == "manual")
{
Console.WriteLine("\nThis song has no non-empty difficulties, and can therefor not be converted. " +
"[Press enter to continue]");
Console.ReadLine();
}
return;
}
if (mode == "manual")
{
Console.Clear();
Console.WriteLine("Converting song to OGG");
}
ConvertSongToOGG(ref osz, audica);
if (mode == "manual")
{
Console.Clear();
Console.WriteLine("Converting beatmaps...");
}
foreach (Osufile file in osz.osufiles)
{
file.audicaDifficulty = ConvertToAudica(file);
file.audicaDifficultyRating = audica.GetRatingForDifficulty(file.audicaDifficulty);
}
SortOSZ(osz);
audica.expert = AskDifficulty(osz, audica, "Expert", mode);
audica.advanced = AskDifficulty(osz, audica, "Advanced", mode);
audica.moderate = AskDifficulty(osz, audica, "Standard", mode);
audica.beginner = AskDifficulty(osz, audica, "Beginner", mode);
if (audica.expert == null && audica.advanced == null && audica.moderate == null && audica.beginner == null) return; //Abort conversion if all slots are empty
}
else
{
audica.expert = null;
audica.advanced = null;
audica.moderate = null;
audica.beginner = null;
if (mode == "manual")
{
Console.Clear();
Console.WriteLine("Converting song to OGG");
}
ConvertSongToOGG(ref osz, audica);
}
if (Config.parameters.endPitchKeyOptions.scrapeKey)
{
if (mode == "manual")
{
Console.Clear();
Console.WriteLine("Scraping key");
}
audica.desc.songEndEvent = KeyScraper.GetSongEndEvent(osz.osufiles[0].metadata.artist, osz.osufiles[0].metadata.title);
}
else audica.desc.songEndEvent = Config.parameters.endPitchKeyOptions.defaultEndEvent;
ConvertMetadata(osz, audica);
string audicaFileName = $"{audica.desc.songID}.audica";
//at the end
ExportConvert(audica, audicaFileName);
}
private static void ExportConvert(Audica audica, string audicaFileName)
{
if (Config.parameters.converterOperationOptions.customExportDirectory == "")
{
ExportToDefaultDirectory(audica, audicaFileName);
}
else
{
if (Directory.Exists(Config.parameters.converterOperationOptions.customExportDirectory))
{
audica.Export(Path.Join(Config.parameters.converterOperationOptions.customExportDirectory, audicaFileName));
}
else
{
Console.WriteLine("Custom directory doesn't exist, exporting to default /audicaFiles");
ExportToDefaultDirectory(audica, audicaFileName);
}
}
static void ExportToDefaultDirectory(Audica audica, string audicaFileName)
{
string audicaExportPath = Path.Join(Program.workingDirectory, "audicaFiles");
if (!Directory.Exists(audicaExportPath)) Directory.CreateDirectory(audicaExportPath);
audica.Export(Path.Join(audicaExportPath, audicaFileName));
}
}
private static void ConvertTempos(OsuSongFile osz, ref Audica audica)
{
var tempList = new List<TempoData>();
foreach (var timingPoint in osz.osufiles[0].timingPoints)
{
tempList.Add(new TempoData((int)timingPoint.audicaTick, TempoData.MicrosecondsPerQuarterNoteFromBPM(60000 / timingPoint.beatTime)));
}
audica.tempoData = tempList;
}
private static void SortOSZ(OsuSongFile osz)
{
var templist = osz.osufiles.OrderByDescending(o => o.audicaDifficultyRating).ToList();
osz.osufiles = templist;
}
private static void ConvertMetadata(OsuSongFile osz, Audica audica)
{
string mapperName = Config.parameters.generalOptions.customMapperName == "" ? RemoveSpecialCharacters(osz.osufiles[0].metadata.creator) : RemoveSpecialCharacters(Config.parameters.generalOptions.customMapperName);
audica.desc.title = "[osu!] " + osz.osufiles[0].metadata.title;
audica.desc.artist = osz.osufiles[0].metadata.artist;
audica.desc.author = mapperName;
audica.desc.songID = "osu" + RemoveSpecialCharacters(osz.osufiles[0].metadata.title) + "-" + mapperName;
audica.desc.previewStartSeconds = (float)osz.osufiles[0].general.previewTime / 1000f;
audica.desc.fxSong = "";
}
private static Difficulty AskDifficulty(OsuSongFile osz, Audica audica, string difficultyName, string mode)
{
MapScaleOptions scalingOptions = null;
AutoOptions autoOptions = null;
switch (difficultyName.ToLower())
{
case ("expert"):
scalingOptions = Config.parameters.scalingOptions.expertMapScaleOptions;
autoOptions = Config.parameters.converterOperationOptions.expertAutoOptions;
break;
case ("advanced"):
scalingOptions = Config.parameters.scalingOptions.advancedMapScaleOptions;
autoOptions = Config.parameters.converterOperationOptions.advancedAutoOptions;
break;
case ("standard"):
scalingOptions = Config.parameters.scalingOptions.standardMapScaleOptions;
autoOptions = Config.parameters.converterOperationOptions.standardAutoOptions;
break;
case ("beginner"):
scalingOptions = Config.parameters.scalingOptions.beginnerMapScaleOptions;
autoOptions = Config.parameters.converterOperationOptions.beginnerAutoOptions;
break;
}
if (mode == "auto" && !autoOptions.useDifficultySlot) return null; //Difficulty slot not in use
if (mode == "manual")
{
Console.Clear();
Console.WriteLine($"\n\nSelect {difficultyName} difficulty[Leave empty for none]:");
Console.ForegroundColor = ConsoleColor.Yellow;
}
//Conversion steps (Scaling and melee pass) here is not very clean and should probably be refactored in the future
var scaledDifficulties = new List<(Difficulty difficulty, Osufile osufile, float difficultyRating)>();
int count = 1;
for (int i = 0; i < osz.osufiles.Count; i++)
{
if (!Config.parameters.generalOptions.allowOtherGameModes && osz.osufiles[i].general.mode != 0) continue; //Don't allow full conversion of other modes than osu!standard
Difficulty scaledDifficulty = ScaleDifficulty(osz.osufiles[i].audicaDifficulty, scalingOptions.xScale, scalingOptions.yScale, scalingOptions.zOffset);
RunMeleePass(scaledDifficulty.cues, osz.osufiles[i].timingPoints, osz.osufiles[i].mergedTimingPoints, difficultyName);
if (Config.parameters.generalOptions.useStandardSounds) RunHitsoundPass(scaledDifficulty.cues);
float difficultyRating = audica.GetRatingForDifficulty(scaledDifficulty);
scaledDifficulties.Add((scaledDifficulty, osz.osufiles[i], difficultyRating));
if (mode == "manual") Console.WriteLine($"\n[{count}] {osz.osufiles[i].metadata.version} [{difficultyRating.ToString("n2")} Audica difficulty]");
count++;
}
if (scaledDifficulties.Count == 0)
{
return null;
}
int difficultyIdx=0;
if (mode == "manual")
{
Console.ForegroundColor = ConsoleColor.Gray;
string userInput;
int userInputInt;
do
{
userInput = Console.ReadLine();
int.TryParse(userInput, out userInputInt);
}
while (userInput != "" && (userInputInt < 1 || userInputInt > scaledDifficulties.Count));
Console.Clear();
if (userInput == "") return null;// User hasn't picked a difficulty
else difficultyIdx = userInputInt-1;
}
else
{
float bestDifficultyRatingDeviation = float.PositiveInfinity;
for (int i = 0; i < scaledDifficulties.Count; i++)
{
float difficultyRatingDeviation = Math.Abs(autoOptions.targetDifficultyRating - scaledDifficulties[i].difficultyRating);
if (difficultyRatingDeviation < bestDifficultyRatingDeviation)
{
bestDifficultyRatingDeviation = difficultyRatingDeviation;
difficultyIdx = i;
}
}
if (bestDifficultyRatingDeviation > autoOptions.acceptedDifficultyRatingDifference) return null; //No difficulty meets difficulty range requirement
}
if (Config.parameters.generalOptions.customMapperName == "")
{
switch (difficultyName.ToLower())
{
case ("expert"):
audica.desc.customExpert = scaledDifficulties[difficultyIdx].osufile.metadata.version;
break;
case ("advanced"):
audica.desc.customAdvanced = scaledDifficulties[difficultyIdx].osufile.metadata.version;
break;
case ("standard"):
audica.desc.customModerate = scaledDifficulties[difficultyIdx].osufile.metadata.version;
break;
case ("beginner"):
audica.desc.customBeginner = scaledDifficulties[difficultyIdx].osufile.metadata.version;
break;
}
}
return scaledDifficulties[difficultyIdx].difficulty;
}
private static void ConvertSongToOGG(ref OsuSongFile osz, Audica audica)
{
string audioFileName = osz.osufiles[0].general.audioFileName;
string tempDirectory = Path.Join(Program.workingDirectory, "AudicaConverterTemp");
string tempAudioPath = Path.Join(tempDirectory, "audio.mp3");
string tempAudioPath2 = Path.Join(tempDirectory, "audio2.mp3");
string tempOggPath = Path.Join(tempDirectory, "tempogg.ogg");
string tempMoggPath = Path.Join(tempDirectory, "tempMogg.mogg");
float firstHitObjectTime = float.PositiveInfinity;
foreach (var osufile in osz.osufiles)
{
if (osufile.hitObjects.Count > 0 && osufile.hitObjects[0].time < firstHitObjectTime)
{
firstHitObjectTime = osufile.hitObjects[0].time;
}
}
float paddingTime = 0f;
if (firstHitObjectTime < Config.parameters.generalOptions.introPadding)
{
paddingTime = Config.parameters.generalOptions.introPadding - firstHitObjectTime;
}
else if (Config.parameters.generalOptions.skipIntroOptions.enabled && firstHitObjectTime > Config.parameters.generalOptions.skipIntroOptions.threshold)
{
//Checks if the first hitobject is after the threshold, if it is, we cut it.
paddingTime = (firstHitObjectTime - Config.parameters.generalOptions.skipIntroOptions.cutIntroTime) * -1; //We need a negative value to not mess wih padding
}
if (paddingTime > 0f)
{
ShiftEverythingByMs(osz, paddingTime);
ConvertTempos(osz, ref audica);
}
string pruneString = "-ss 0.025"; //Default 25ms to deal with compression block latency
if (paddingTime < 0f)
{
ShiftEverythingByMs(osz, paddingTime);
ConvertTempos(osz, ref audica);
float pruneValue = (paddingTime / 1000f) * -1; //Convert ms to seconds and invert again
pruneString = $"-ss {(0.025 + pruneValue).ToString("n3")}";
}
if (Directory.Exists(tempDirectory)) Directory.Delete(tempDirectory, true);
Directory.CreateDirectory(tempDirectory);
if (osz.filePath.Contains(".osz"))
{
ZipArchive zip = ZipFile.OpenRead(osz.filePath);
foreach (ZipArchiveEntry entry in zip.Entries) {
// Check for the name while ignoring case, as osu ignores case as well.
if (entry.FullName.Equals(audioFileName, StringComparison.OrdinalIgnoreCase)) {
zip.GetEntry(entry.FullName).ExtractToFile(tempAudioPath);
}
}
}
else
{
foreach (string entry in Directory.GetFiles(osz.filePath, "*", SearchOption.AllDirectories))
{
if (entry.Contains(audioFileName, StringComparison.OrdinalIgnoreCase))
{
File.Copy(entry, tempAudioPath);
}
}
}
Process ffmpeg = new Process();
ffmpeg.StartInfo.FileName = Path.Join(Program.workingDirectory, Program.FfmpegName);
ffmpeg.StartInfo.WindowStyle = ProcessWindowStyle.Normal;
ffmpeg.StartInfo.UseShellExecute = false;
ffmpeg.StartInfo.RedirectStandardOutput = false;
Process ogg2mogg = new Process();
ogg2mogg.StartInfo.FileName = Path.Join(Program.workingDirectory, Program.Ogg2moggName);
ogg2mogg.StartInfo.WindowStyle = ProcessWindowStyle.Normal;
ogg2mogg.StartInfo.UseShellExecute = false;
ogg2mogg.StartInfo.RedirectStandardOutput = true;
ogg2mogg.StartInfo.Arguments = $"\"{tempOggPath}\" \"{tempMoggPath}\"";
string paddingString = paddingTime > 0 ? $"-af \"adelay = {paddingTime} | {paddingTime}\"" : "";
string outputPath = paddingTime < 0f ? tempAudioPath2 : tempOggPath;
ffmpeg.StartInfo.Arguments = $"-y -i \"{tempAudioPath}\" -hide_banner -loglevel panic -ac 2 -ar 44100 -ab 256k {pruneString} {paddingString} -map 0:a \"{outputPath}\"";
ffmpeg.Start();
ffmpeg.WaitForExit();
if (paddingTime < 0f)
{
//Reprocess the ogg file with fade, this might need "-ss 0.025"
float fadeTime = Config.parameters.generalOptions.skipIntroOptions.cutIntroTime / 1000f / 2;
ffmpeg.StartInfo.Arguments = $"-y -i \"{tempAudioPath2}\" -hide_banner -loglevel panic -ac 2 -ab 256k -af \"afade=t=in:st=0:d={fadeTime.ToString("n1")}\" -map 0:a \"{tempOggPath}\"";
ffmpeg.Start();
ffmpeg.WaitForExit();
}
ogg2mogg.Start();
ogg2mogg.WaitForExit();
var ms = new MemoryStream(File.ReadAllBytes(tempMoggPath));
audica.song = new Mogg(ms);
Directory.Delete(tempDirectory, true);
}
private static void ShiftEverythingByMs(OsuSongFile osz, float paddingTime)
{
foreach (var osuDifficulty in osz.osufiles)
{
foreach (var timingPoint in osuDifficulty.mergedTimingPoints)
{
if (timingPoint.ms > 0f)
{
timingPoint.ms += paddingTime;
}
}
foreach (var hitObject in osuDifficulty.hitObjects)
{
hitObject.time += paddingTime;
hitObject.endTime += paddingTime;
}
osuDifficulty.general.previewTime += (int)paddingTime;
List<TimingPoint> negativeMergedTimingPoints = osuDifficulty.mergedTimingPoints.Where(tp => tp.ms < 0).ToList();
List<TimingPoint> negativeTimingPoints = osuDifficulty.timingPoints.Where(tp => tp.ms < 0).ToList();
if (negativeTimingPoints.Count > 0)
{
//Find and push forward the last negative normal timing point
TimingPoint lastNegativeTimingPoint = negativeTimingPoints[negativeTimingPoints.Count - 1];
float newMs = lastNegativeTimingPoint.ms - ((float)lastNegativeTimingPoint.beatTime * 4) * (float)Math.Floor(lastNegativeTimingPoint.ms/((float)lastNegativeTimingPoint.beatTime * 4));
//Only keep and shift this timing point if it becomes the first timing point
if (!osuDifficulty.timingPoints.Exists(tp => tp.ms > 0 && tp.ms < newMs))
{
lastNegativeTimingPoint.ms = newMs;
//Inherit the slider velocity of the most recent merged timing point
int prevMergedTimingPointIdx = osuDifficulty.mergedTimingPoints.FindIndex(tp => tp.ms > newMs) - 1;
if (prevMergedTimingPointIdx == -2) prevMergedTimingPointIdx = osuDifficulty.mergedTimingPoints.Count - 1;
if (prevMergedTimingPointIdx != -2)
{
TimingPoint prevMergedTimingPoint = osuDifficulty.mergedTimingPoints[prevMergedTimingPointIdx];
lastNegativeTimingPoint.sliderVelocity = prevMergedTimingPoint.sliderVelocity;
lastNegativeTimingPoint.kiai = prevMergedTimingPoint.kiai;
}
negativeMergedTimingPoints.Remove(lastNegativeTimingPoint);
}
}
//Remove all negative timing points except the most recent one
for (int i = 0; i < negativeMergedTimingPoints.Count; i++)
{
TimingPoint timingPoint = negativeMergedTimingPoints[i];
osuDifficulty.mergedTimingPoints.Remove(timingPoint);
if (!timingPoint.inherited)
{
osuDifficulty.timingPoints.Remove(timingPoint);
}
}
//Resort timing points
osuDifficulty.mergedTimingPoints.Sort((tp1, tp2) => tp1.ms.CompareTo(tp2.ms));
osuDifficulty.timingPoints.Sort((tp1, tp2) => tp1.ms.CompareTo(tp2.ms));
//Update initial 0ms timing point to the new first timing point bpm
if (osuDifficulty.timingPoints.Count > 1)
osuDifficulty.timingPoints[0].beatTime = osuDifficulty.timingPoints[1].beatTime;
//recalculate all the audica tick timings on every timing point and hitObject...
foreach (TimingPoint timingPoint in osuDifficulty.mergedTimingPoints)
timingPoint.audicaTick = OsuUtility.MsToTick(timingPoint.ms, osuDifficulty.timingPoints, roundingPrecision: 1);
foreach (HitObject hitObject in osuDifficulty.hitObjects)
{
hitObject.audicaTick = OsuUtility.MsToTick(hitObject.time, osuDifficulty.timingPoints, roundingPrecision: 10);
hitObject.audicaEndTick = OsuUtility.MsToTick(hitObject.endTime, osuDifficulty.timingPoints, roundingPrecision: 10);
}
}
}
public static Difficulty ConvertToAudica(Osufile osufile)
{
var diff = new Difficulty();
diff.cues = new List<Cue>();
var handColorHandler = new HandColorHandler();
RunSliderSplitPass(osufile.hitObjects, osufile.timingPoints, osufile.mergedTimingPoints);
if (Config.parameters.streamOptions.streamMinAverageDistance > 0f) RunStreamScalePass(osufile.noteStreams);
if (Config.parameters.sustainConversionOptions.convertSustains) RunSustainPass(osufile.hitObjects, osufile.timingPoints);
if (Config.parameters.chainConversionOptions.convertChains) RunChainPass(osufile.hitObjects, osufile.timingPoints);
ResetEndTimesAndPos(osufile.hitObjects);
RemoveUnusedHitObjects(osufile.hitObjects, osufile.noteStreams);
if (Config.parameters.scalingOptions.adaptiveScalingOptions.useAdaptiveScaling) RunFovScalePass(osufile.hitObjects);
handColorHandler.AssignHandTypes(osufile.hitObjects);
// do conversion stuff here
for (int i = 0; i < osufile.hitObjects.Count; i++)
{
var hitObject = osufile.hitObjects[i];
var audicaDataPos = OsuUtility.GetAudicaPosFromHitObject(hitObject);
var gridOffset = ConversionProcess.snapNotes ? new Cue.GridOffset() : audicaDataPos.offset;
int tickLength = 120;
if (hitObject.audicaBehavior == 3)
{
tickLength = (int)hitObject.audicaEndTick - (int)hitObject.audicaTick;
}
var cue = new Cue
(
(int)hitObject.audicaTick,
tickLength,
audicaDataPos.pitch,
OsuUtility.GetVelocityForObject(hitObject),
gridOffset,
0f,
hitObject.audicaHandType,
hitObject.audicaBehavior
);
hitObject.audicaCue = cue;
diff.cues.Add(cue);
}
if (Config.parameters.generalOptions.snapNotes) SnapNormalTargets(diff.cues);
if (Config.parameters.stackDistributionOptions.distributeStacks) RunStackDistributionPass(osufile.hitObjects, diff.cues);
if (Config.parameters.chainConversionOptions.minSize > 0f) RunChainEnlargePass(diff.cues);
return diff;
}
private static void RunSliderSplitPass(List<HitObject> hitObjects, List<TimingPoint> timingPoints, List<TimingPoint> mergedTimingPoints)
{
SliderConversionOptions sliderConversionOptions = Config.parameters.sliderConversionOptions;
//Handle conversion of repeating sliders
int hitObjectsOrgCount = hitObjects.Count;
for (int i = 0; i < hitObjectsOrgCount; i++)
{
HitObject hitObject = hitObjects[i];
if ((hitObject.type == 2 || hitObject.type == 6) && hitObject.repeats > 1)
{
float repeatTime = (hitObject.endTime - hitObject.time) / hitObject.repeats;
float repeatTicks = (hitObject.audicaEndTick - hitObject.audicaTick) / hitObject.repeats;
bool fastRepeat = repeatTime < sliderConversionOptions.fastRepeatTimeThres;
//Find slider to target conversion step frequency.
int meter = OsuUtility.GetPrevTimingPointFromTick(hitObject.audicaTick, timingPoints).meter;
int meterSmallestFactor = meter;
for (int j = 2; j <= 100; j++)
{
if (meter % j == 0)
{
meterSmallestFactor = j;
break;
}
}
int repeatStep = 1;
if (!(Config.parameters.chainConversionOptions.convertChains && repeatTime <= Config.parameters.chainConversionOptions.timeThres))
{
while (repeatStep * repeatTime < sliderConversionOptions.targetMinTime) repeatStep *= meterSmallestFactor;
}
if (!fastRepeat && sliderConversionOptions.slowRepeatEndsConvert || fastRepeat && sliderConversionOptions.fastRepeatStackConvert)
{
for (int j = repeatStep; j <= hitObject.repeats; j += repeatStep)
{
bool finalEnd = j == hitObject.repeats;
HitObject newHitObject = new HitObject
(
fastRepeat || j % 2 == 0 ? hitObject.x : hitObject.endX,
fastRepeat || j % 2 == 0 ? hitObject.y : hitObject.endY,
hitObject.time + j * repeatTime,
finalEnd ? 0 : 2,
hitObject.endHitsound,
finalEnd ? 0 : hitObject.pixelLength,
0
);
newHitObject.audicaTick = (float)Math.Round(hitObject.audicaTick + j * repeatTicks);
newHitObject.endTime = newHitObject.time + (finalEnd ? 0f : repeatTime);
newHitObject.audicaEndTick = finalEnd ? newHitObject.audicaTick : (float)Math.Round(hitObject.audicaTick + (j + 1) * repeatTicks);
newHitObject.endX = finalEnd ? newHitObject.x : (fastRepeat || j % 2 == 1 ? hitObject.x : hitObject.endX);
newHitObject.endY = finalEnd ? newHitObject.y : (fastRepeat || j % 2 == 1 ? hitObject.y : hitObject.endY);
hitObjects.Add(newHitObject);
}
//Set head end to first repeat
hitObject.endTime = hitObject.time + repeatTime;
hitObject.audicaEndTick = (float)Math.Round(hitObject.audicaTick + repeatTicks);
hitObject.repeats = 1;
}
}
}
hitObjects.Sort((ho1, ho2) => ho1.time.CompareTo(ho2.time));
//Handle final slider end conversion
hitObjectsOrgCount = hitObjects.Count;
for (int i = 0; i < hitObjectsOrgCount - 1; i++)
{
HitObject hitObject = hitObjects[i];
HitObject nextHitObject = hitObjects[i + 1];
//Skip if not slider
if (!(hitObject.type == 2 || hitObject.type == 6)) continue;
//Convert slider end if hitsounded and on-beat
bool endOnBeat = sliderConversionOptions.onBeatSliderEndConvert && OsuUtility.ticksSincePrevTimingPoint(hitObject.audicaEndTick, timingPoints) % 480 == 0 &&
OsuUtility.GetPrevTimingPointFromTick(hitObject.audicaEndTick, mergedTimingPoints).vol > 5;
//Convert slider end if the end is on half-beat and the next target is within 1/12th of the slider end.
bool endStreamStart = sliderConversionOptions.sliderEndStreamStartConvert && OsuUtility.ticksSincePrevTimingPoint(hitObject.audicaEndTick, timingPoints) % 240f == 0f &&
nextHitObject.audicaTick - hitObject.audicaEndTick <= 160f;
if ((endOnBeat || endStreamStart) && hitObject.audicaEndTick != nextHitObject.audicaTick)
{
HitObject newHitObject = new HitObject
(
hitObject.repeats % 2 == 1 ? hitObject.endX : hitObject.x,
hitObject.repeats % 2 == 1 ? hitObject.endY : hitObject.y,
hitObject.endTime,
1,
hitObject.endHitsound,
0f,
0
);
newHitObject.endTime = newHitObject.time;
newHitObject.endX = newHitObject.x;
newHitObject.endY = newHitObject.y;
newHitObject.audicaTick = newHitObject.audicaEndTick = hitObject.audicaEndTick;
hitObjects.Add(newHitObject);
}
}
hitObjects.Sort((ho1, ho2) => ho1.time.CompareTo(ho2.time));
}
private static void RunStreamScalePass(List<HitObjectGroup> noteStreams)
{
foreach (HitObjectGroup noteStream in noteStreams)
{
float averageStreamDistance = noteStream.length / (noteStream.hitObjects.Count - 1);
if (averageStreamDistance > 0f && averageStreamDistance < Config.parameters.streamOptions.streamMinAverageDistance)
{
noteStream.BoundScale(Config.parameters.streamOptions.streamMinAverageDistance / averageStreamDistance);
}
}
}
private static void RunFovScalePass(List<HitObject> hitObjects)
{
float fovMotionFactor = Config.parameters.scalingOptions.adaptiveScalingOptions.fovMotionFactor;
float fovRecenterTime = Config.parameters.scalingOptions.adaptiveScalingOptions.fovRecenterTime;
float scaleDistanceStartThres = Config.parameters.scalingOptions.adaptiveScalingOptions.scaleDistanceStartThres;
float scaleLogBase = Config.parameters.scalingOptions.adaptiveScalingOptions.scaleLogBase;
float fovX = 256f;
float fovY = 192;
float prevFovUpdateTime = 0f;
for (int i = 0; i < hitObjects.Count; i++)
{
HitObject currentHitObject = hitObjects[i];
HitObject prevHitObject = i > 0 ? hitObjects[i - 1] : null;
if (prevHitObject != null && currentHitObject.time - prevHitObject.time >= fovRecenterTime)
{
fovX = 256f;
fovY = 192f;
}
float diffX = currentHitObject.x - fovX;
float diffY = currentHitObject.y - fovY;
float diffLength = (float)Math.Sqrt(diffX * diffX + diffY * diffY);
float scaledDiffLength;
if (diffLength <= scaleDistanceStartThres)
{
scaledDiffLength = diffLength;
}
else
{
scaledDiffLength = scaleDistanceStartThres;
float logTranslation = 1f / (float)Math.Log(scaleLogBase);
scaledDiffLength += (float)Math.Log(diffLength - scaleDistanceStartThres + logTranslation, scaleLogBase) - (float)Math.Log(logTranslation, scaleLogBase);
}
float scaledDiffX = diffLength != 0 ? diffX / diffLength * scaledDiffLength : 0;
float scaledDiffY = diffLength != 0 ? diffY / diffLength * scaledDiffLength : 0;
float newPosX = fovX + scaledDiffX;
float newPosY = fovY + scaledDiffY;
float translationX = newPosX - currentHitObject.x;
float translationY = newPosY - currentHitObject.y;
List<HitObject> syncTranslateHitObjects = new List<HitObject>();
syncTranslateHitObjects.Add(currentHitObject);
//If the object is in a stream, add all other stream objects to the group
if (currentHitObject.noteStream != null)
{
for (int j = 1; j < currentHitObject.noteStream.hitObjects.Count; j++)
{
syncTranslateHitObjects.Add(currentHitObject.noteStream.hitObjects[j]);
i++;
}
}
//Extend the group to include the rest of any started chains
while (i + 1 < hitObjects.Count && hitObjects[i+1].audicaBehavior == 5)
{
syncTranslateHitObjects.Add(hitObjects[i + 1]);
i++;
}
HitObjectGroup hitObjectGroup = new HitObjectGroup(syncTranslateHitObjects);
hitObjectGroup.Translate(translationX, translationY);
hitObjectGroup.BoundScale(1f);
//Iterate over hitObjects and update FOV position, simulating FOV lag
foreach (HitObject hitObject in hitObjectGroup.hitObjects)
{
float fovMovementFraction = 1f - 1f / (fovMotionFactor * (hitObject.time - prevFovUpdateTime) / 1000f + 1f);
fovX += fovMovementFraction * (hitObject.x - fovX);
fovY += fovMovementFraction * (hitObject.y - fovY);
prevFovUpdateTime = hitObject.time;
}
}
}
private static void RunHitsoundPass(List<Cue> cues)
{
foreach (var cue in cues)
{
switch ((int)cue.behavior)
{
case 4:
cue.velocity = 1;
break;
case 5:
cue.velocity = 2;
break;
case 6:
cue.velocity = 3; //melee for future purposes
break;
default:
break;
}
}
}
private static void SnapNormalTargets(List<Cue> cues)
{
foreach (Cue cue in cues)
{
if(cue.behavior == 0)
{
cue.gridOffset = new Cue.GridOffset();
}
}
}
private static void RunChainPass(List<HitObject> hitObjects, List<TimingPoint> timingPoints)
{
float chainTimeThres = Config.parameters.chainConversionOptions.timeThres;
HitObject prevChainHeadHitObject = null;
for (int i = 0; i < hitObjects.Count; i++)
{
HitObject prevHitObject = i > 0 ? hitObjects[i - 1] : null;
HitObject nextHitObject = i + 1 < hitObjects.Count ? hitObjects[i + 1] : null;
HitObject nextNextHitObject = i + 2 < hitObjects.Count ? hitObjects[i + 2] : null;
HitObject currentHitObject = hitObjects[i];
bool isIgnoredChainEnd = Config.parameters.chainConversionOptions.ignoreSlidersForChainConvert && (currentHitObject.type == 2 || currentHitObject.type == 6) &&
(nextHitObject == null || nextHitObject.time - currentHitObject.time > chainTimeThres) || Config.parameters.chainConversionOptions.ignoreSustainsForChainConvert && currentHitObject.audicaBehavior == 3;
bool nextIsIgnoredChainEnd = nextHitObject == null || Config.parameters.chainConversionOptions.ignoreSlidersForChainConvert && (nextHitObject.type == 2 || nextHitObject.type == 6) &&
(nextNextHitObject == null || nextNextHitObject.time - nextHitObject.time > chainTimeThres) || Config.parameters.chainConversionOptions.ignoreSustainsForChainConvert && nextHitObject.audicaBehavior == 3;
if (isIgnoredChainEnd)
continue;
if ((prevHitObject == null || currentHitObject.time - prevHitObject.time > chainTimeThres) && nextHitObject != null &&
nextHitObject.time - currentHitObject.time <= chainTimeThres && !nextIsIgnoredChainEnd)
{
currentHitObject.audicaBehavior = 4;
prevChainHeadHitObject = currentHitObject;
}
else if (prevHitObject != null && currentHitObject.time - prevHitObject.time <= chainTimeThres)
{
if (currentHitObject.time - prevChainHeadHitObject.time > chainTimeThres && currentHitObject.audicaTick - prevChainHeadHitObject.audicaTick >= Config.parameters.chainConversionOptions.switchFrequency && nextHitObject != null &&
nextHitObject.time - currentHitObject.time <= chainTimeThres && OsuUtility.ticksSincePrevTimingPoint(currentHitObject.audicaTick, timingPoints) % Config.parameters.chainConversionOptions.switchFrequency == 0 && !nextIsIgnoredChainEnd)
{
currentHitObject.audicaBehavior = 4;
prevChainHeadHitObject = currentHitObject;
}
else
{
currentHitObject.audicaBehavior = 5;
prevChainHeadHitObject.endTime = currentHitObject.time;
prevChainHeadHitObject.audicaEndTick = currentHitObject.audicaEndTick;
prevChainHeadHitObject.endX = currentHitObject.x;
prevChainHeadHitObject.endY = currentHitObject.y;
}
}
}
//Find and prune too short chains
List<HitObject> chainHitObjects = new List<HitObject>();
foreach (HitObject hitObject in hitObjects)
{
if (hitObject.audicaBehavior == 4)
{
if (chainHitObjects.Count != 0) CheckAndPruneChain(chainHitObjects, timingPoints);
chainHitObjects = new List<HitObject>();
chainHitObjects.Add(hitObject);
}
else if (hitObject.audicaBehavior == 5)
{
chainHitObjects.Add(hitObject);
}
}
if (chainHitObjects.Count != 0) CheckAndPruneChain(chainHitObjects, timingPoints);
if (Config.parameters.chainConversionOptions.reformChains)
{