/// <summary>
/// Does various calculations for each difficulty.
/// </summary>
/// <param name="difficulty">The difficulty to process</param>
/// <param name="quick">Skips score normalisation if true</param>
/// <returns>Score multiplier if quick is not set to true, else 0</returns>
private static double processDifficulty(Difficulty difficulty, bool quick = false)
{
Console.Write("Processing " + difficulty);
double comboMultiplier = 1;
Player.Difficulty = difficulty;
Player.Autoplay = true;
Score s = null;
using (Player p = new PlayCombinate())
{
p.Initialize();
if (p.HitObjectManager.ActiveStreamObjects == null || p.HitObjectManager.ActiveStreamObjects.Count == 0)
{
Console.WriteLine(" Failed!");
return(0);
}
HitObject switchHpObject = null;
if (difficulty == Difficulty.Normal && Player.Beatmap.StreamSwitchPoints != null && Player.Beatmap.StreamSwitchPoints.Count > 0)
{
//stream mode specific. make sure we have enough hp to hit the first stream switch
int testStreamSwitch = Player.Beatmap.StreamSwitchPoints[0] - DifficultyManager.PreEmpt;
int index = p.HitObjectManager.ActiveStreamObjects.FindIndex(h => { return(h.StartTime > testStreamSwitch); }) - 1;
//take one from the index. we need to be at max HP *before* the preempt-take-switch.
while (index >= 0 && p.HitObjectManager.ActiveStreamObjects[index].EndTime > testStreamSwitch)
{
index--;
}
if (index <= 0)
{
Console.WriteLine("\nERROR: Bookmark exists before first object! Please only use bookmarks for stream switch points.");
index = 0;
}
switchHpObject = p.HitObjectManager.ActiveStreamObjects[index];
}
FakeAudioTimeSource source = new FakeAudioTimeSource();
Clock.AudioTimeSource = source;
while (true)
{
if (source.InternalTime % 10 < 0.01)
{
Console.Write(".");
}
Clock.UpdateCustom(0.01);
source.InternalTime += 0.01;
Clock.ElapsedMilliseconds = 10;
p.Update();
if (switchHpObject != null && switchHpObject.IsHit)
{
double currentHp = p.healthBar.CurrentHpUncapped;
healthMultiplier = (HealthBar.HP_BAR_MAXIMUM - HealthBar.HP_BAR_INITIAL + 5) / (currentHp - HealthBar.HP_BAR_INITIAL);
Player.Beatmap.HpStreamAdjustmentMultiplier = healthMultiplier;
switchHpObject = null;
}
if (p.Completed)
{
s = p.CurrentScore;
s.UseAccuracyBonus = true;
int excess = s.totalScore - s.spinnerBonusScore - 1000000;
double testMultiplier = (double)(s.comboBonusScore - excess) / s.comboBonusScore;
comboMultiplier = testMultiplier * 0.97f;
break;
}
}
}
Console.WriteLine();
if (Analysis)
{
checkOverlaps(difficulty);
}
int finalScore = 0;
if (!quick)
{
double adjustment = 0;
while (finalScore < 1000000)
{
Console.Write(".");
Player.Difficulty = difficulty;
Player.Autoplay = true;
Player.Beatmap.DifficultyInfo[difficulty] = new BeatmapDifficultyInfo(difficulty)
{
ComboMultiplier = comboMultiplier
};
//let's do some test runs
using (Player p = new PlayCombinate())
{
p.Initialize();
FakeAudioTimeSource source = new FakeAudioTimeSource();
Clock.AudioTimeSource = source;
while (true)
{
Clock.UpdateCustom(0.01);
source.InternalTime += 0.01;
p.Update();
if (p.Completed)
{
s = p.CurrentScore;
s.UseAccuracyBonus = true;
finalScore = (s.totalScore - s.spinnerBonusScore);
if (finalScore < 1000000)
{
int fellShortBy = 1000000 - finalScore;
adjustment = (double)fellShortBy / s.comboBonusScore;
comboMultiplier += adjustment;
}
break;
}
}
}
}
}
if (!quick)
{
Console.WriteLine("HP multiplier: ".PadRight(25) + healthMultiplier);
Console.WriteLine("Using combo multiplier: ".PadRight(25) + comboMultiplier);
Console.WriteLine("Hitobject score: ".PadRight(25) + s.hitScore);
Console.WriteLine("Combo score: ".PadRight(25) + s.comboBonusScore);
Console.WriteLine("Spin score: ".PadRight(25) + s.spinnerBonusScore);
Console.WriteLine("Accuracy score: ".PadRight(25) + s.accuracyBonusScore);
Console.WriteLine("Total score: ".PadRight(25) + s.totalScore);
Console.WriteLine("Total score (no spin): ".PadRight(25) + finalScore);
}
//i guess the best thing to do might be to aim slightly above 1m and ignore the excess...
//okay now we have numbers roughly around 1mil (always higher or equal to).
//need to do something about this static, then load them up in osu!s.
return(comboMultiplier);
}
private static void checkOverlaps(Difficulty s1, Difficulty s2, int switchTime = 0)
{
bool streamSwitch = s2 != Difficulty.None;
PlayTest.AllowStreamSwitch = streamSwitch;
PlayTest.StartTime = switchTime > 0 ? switchTime - 10000 : 0;
int endTime = switchTime > 0 ? switchTime + 10000 : 0;
PlayTest.InitialDifficulty = s1;
Player.Autoplay = true;
if (s2 > s1)
{
PlayTest.InitialHp = 200;
}
else
{
PlayTest.InitialHp = 0;
}
using (PlayTest p = new PlayTest())
{
p.Initialize();
FakeAudioTimeSource source = new FakeAudioTimeSource();
source.InternalTime = Math.Max((PlayTest.StartTime - 10000) / 1000f, 0);
Clock.AudioTimeSource = source;
HitObjectManager hitObjectManager = p.HitObjectManager;
List <HitObjectPair> pairs = new List <HitObjectPair>();
while ((switchTime == 0 && p.Progress < 1) || Clock.AudioTime < switchTime + 10000)
{
if (source.InternalTime % 20 < 0.01)
{
Console.Write(".");
}
Clock.UpdateCustom(0.01);
source.InternalTime += 0.01;
List <HitObject> objects = hitObjectManager.ActiveStreamObjects.FindAll(h => h.IsVisible);
foreach (HitObject h1 in objects)
{
foreach (HitObject h2 in objects)
{
if (h1 == h2)
{
continue;
}
HitObjectPair hop = new HitObjectPair(h1, h2);
if (pairs.IndexOf(hop) >= 0)
{
continue;
}
//hack in the current snaking point for added security.
Vector2 h1pos2 = h1 is Slider ? ((Slider)h1).SnakingEndPosition : h1.Position2;
Vector2 h2pos2 = h2 is Slider ? ((Slider)h2).SnakingEndPosition : h2.Position2;
if (pMathHelper.Distance(h1.Position, h2.Position) < DifficultyManager.HitObjectRadiusSprite ||
pMathHelper.Distance(h1.Position, h2pos2) < DifficultyManager.HitObjectRadiusSprite ||
pMathHelper.Distance(h1pos2, h2.Position) < DifficultyManager.HitObjectRadiusSprite ||
pMathHelper.Distance(h1pos2, h2pos2) < DifficultyManager.HitObjectRadiusSprite)
{
pairs.Add(hop);
if (s2 != Difficulty.None)
{
Console.WriteLine("[mod] [{1}->{2}] Overlap at {0}", Clock.AudioTime, s1.ToString()[0], s2.ToString()[0]);
}
else
{
Console.WriteLine("[mod] [{1}] Overlap at {0}", Clock.AudioTime, s1, s2);
}
}
}
}
}
}
}
public static string Process(string dir, bool quick = false, bool usem4a = true, bool free = false, bool previewMode = false)
{
Console.WriteLine("Combinating beatmap: " + dir.Split('\\').Last());
Console.WriteLine();
if (dir.Length < 1)
{
Console.WriteLine("No path specified!");
return(null);
}
List <string> osuFiles = new List <string>(Directory.GetFiles(dir, "*.osu"));
if (osuFiles.Count < 1)
{
Console.WriteLine("No .osu files found!");
return(null);
}
List <string> orderedDifficulties = new List <string>();
orderedDifficulties.Add(osuFiles.Find(f => f.EndsWith("[Easy].osu")));
orderedDifficulties.Add(osuFiles.Find(f => f.EndsWith("[Normal].osu")));
orderedDifficulties.Add(osuFiles.Find(f => f.EndsWith("[Hard].osu")));
orderedDifficulties.Add(osuFiles.Find(f => f.EndsWith("[Expert].osu")));
if (orderedDifficulties.FindAll(t => t != null).Count < 1)
{
return(null);
}
Console.WriteLine("Files found:");
foreach (string s in orderedDifficulties)
{
Console.WriteLine(" * " + Path.GetFileName(s));
}
Console.WriteLine();
Console.WriteLine();
List <BeatmapDifficulty> difficulties = new List <BeatmapDifficulty>();
foreach (string f in orderedDifficulties)
{
if (f == null)
{
difficulties.Add(null);
continue;
}
BeatmapDifficulty bd = new BeatmapDifficulty();
difficulties.Add(bd);
string currentSection = "";
foreach (string line in File.ReadAllLines(f))
{
string writeLine = line;
if (line.StartsWith("Version:"))
{
bd.VersionName = line.Replace("Version:", "");
continue;
}
if (line.StartsWith("["))
{
currentSection = line.Replace("[", "").Replace("]", "");
}
else if (line.Length > 0)
{
string[] split = line.Split(',');
string[] var = line.Split(':');
string key = string.Empty;
string val = string.Empty;
if (var.Length > 1)
{
key = var[0].Trim();
val = var[1].Trim();
}
switch (currentSection)
{
case "General":
switch (key)
{
case "AudioFilename":
writeLine = "AudioFilename: audio.mp3";
break;
}
break;
case "Difficulty":
switch (key)
{
case "HPDrainRate":
bd.DifficultyHpDrainRate = Math.Min((byte)10, Math.Max((byte)0, byte.Parse(val)));
break;
case "CircleSize":
bd.DifficultyCircleSize = Math.Min((byte)10, Math.Max((byte)0, byte.Parse(val)));
break;
case "OverallDifficulty":
bd.DifficultyOverall = Math.Min((byte)10, Math.Max((byte)0, byte.Parse(val)));
//if (!hasApproachRate) DifficultyApproachRate = DifficultyOverall;
break;
case "SliderMultiplier":
bd.DifficultySliderMultiplier =
Math.Max(0.4, Math.Min(3.6, Double.Parse(val, nfi)));
break;
case "SliderTickRate":
bd.DifficultySliderTickRate =
Math.Max(0.5, Math.Min(8, Double.Parse(val, nfi)));
break;
}
break;
case "HitObjects":
{
HitObjectType type = (HitObjectType)Int32.Parse(split[3]) & ~HitObjectType.ColourHax;
bool slider = (type & HitObjectType.Slider) > 0;
bool spinner = (type & HitObjectType.Spinner) > 0;
int time = (int)Decimal.Parse(split[2], nfi);
int endTime = spinner ? (int)Decimal.Parse(split[5], nfi) : time;
int repeatCount = 0;
double length = 0;
bool hadEndpointSamples = false;
bool hold = false;
SampleSet ss = SampleSet.None, ssa = SampleSet.None;
string[] samplestring = null;
if (slider)
{
repeatCount = Int32.Parse(split[6], nfi);
length = double.Parse(split[7], nfi);
hadEndpointSamples = split.Length >= 9;
hold = (repeatCount > 1 && length < 50) ||
(repeatCount > 4 && length < 100) ||
(hadEndpointSamples && split[4] == "4");
if (split.Length > 10)
{
samplestring = split[10].Split(':');
}
}
else if (spinner)
{
if (split.Length > 6)
{
samplestring = split[6].Split(':');
}
}
else
{
if (split.Length > 5)
{
samplestring = split[5].Split(':');
}
}
if (samplestring != null)
{
ss = (SampleSet)Convert.ToInt32(samplestring[0]);
if (samplestring.Length > 0)
{
ssa = (SampleSet)Convert.ToInt32(samplestring[1]);
}
}
// take the slider's slide sampleset from 20ms after the head in case the head has a different sampleset
ControlPoint cp = bd.controlPointAt(slider ? time + 20 : endTime + 5);
StringBuilder builder = new StringBuilder();
builder.Append(MakeSampleset(cp, ss, ssa));
// Object commons
builder.Append(',');
builder.Append(split[0]); // X
builder.Append(',');
builder.Append(split[1]); // Y
builder.Append(',');
builder.Append(time.ToString(nfi)); // time
HitObjectType type2 = (HitObjectType)Int32.Parse(split[3]);
builder.Append(',');
builder.Append(hold ? (int)(type2 | HitObjectType.Hold) : (int)type2); // object type
string soundAdditions = MakeSoundAdditions(split[4]);
builder.Append(',');
builder.Append(soundAdditions); // sound additions
//add addition difficulty-specific information
if (slider)
{
builder.Append(',');
builder.Append(split[5]); // curve type, all control points
builder.Append(',');
builder.Append(repeatCount.ToString(nfi)); // repeat count
builder.Append(',');
builder.Append(length.ToString(nfi)); // curve length
string[] additions;
if (hadEndpointSamples)
{
additions = split[8].Split('|');
}
else
{
additions = new string[0];
}
// nodal hitsamples
builder.Append(',');
for (int repeatNo = 0; repeatNo <= repeatCount; repeatNo++)
{
if (repeatNo > 0)
{
builder.Append('|');
}
if (repeatNo < additions.Length)
{
builder.Append(MakeSoundAdditions(additions[repeatNo]));
}
else
{
builder.Append(soundAdditions);
}
}
double velocity = bd.VelocityAt(time);
//velocity and scoring distance.
builder.Append(',');
builder.Append(velocity.ToString(nfi));
builder.Append(',');
builder.Append(bd.ScoringDistanceAt(time).ToString(nfi));
double ReboundTime = 1000 * length / velocity;
double currTime = time;
cp = bd.controlPointAt(currTime + 5);
string[] node_samples;
if (split.Length > 9)
{
// osu!'s separator is different
node_samples = split[9].Split('|');
}
else
{
node_samples = new string[0];
}
// nodal samplesets
for (int repeatNo = 0; repeatNo <= repeatCount; repeatNo++)
{
SampleSet node_ss = ss;
SampleSet node_ssa = ssa;
if (repeatNo < node_samples.Length)
{
string[] pair = node_samples[repeatNo].Split(':');
node_ss = (SampleSet)Convert.ToInt32(pair[0]);
if (pair.Length > 0)
{
node_ssa = (SampleSet)Convert.ToInt32(pair[1]);
}
}
cp = bd.controlPointAt(currTime + 5);
builder.Append(repeatNo == 0 ? ',' : ':');
builder.Append(MakeSampleset(cp, node_ss, node_ssa));
currTime += ReboundTime;
}
}
if (spinner)
{
builder.Append(',');
builder.Append(split[5]); // end time
}
bd.HitObjectLines.Add(new HitObjectLine {
StringRepresentation = builder.ToString(), Time = Int32.Parse(line.Split(',')[2])
});
continue; //skip direct output
}
case "TimingPoints":
{
ControlPoint cp = new ControlPoint(Double.Parse(split[0], nfi),
Double.Parse(split[1], nfi),
split[2][0] == '0' ? TimeSignatures.SimpleQuadruple : (TimeSignatures)Int32.Parse(split[2]),
(SampleSet)Int32.Parse(split[3]),
split.Length > 4
? (CustomSampleSet)Int32.Parse(split[4])
: CustomSampleSet.Default,
Int32.Parse(split[5]),
split.Length > 6 ? split[6][0] == '1' : true,
split.Length > 7 ? split[7][0] == '1' : false);
bd.ControlPoints.Add(cp);
break;
}
}
}
bd.HeaderLines.Add(writeLine);
}
}
string metadata = dir + "\\metadata.txt";
string Artist = "", Title = "", Creator = "";
if (File.Exists(metadata))
{
foreach (string line in File.ReadAllLines(metadata))
{
if (line.Length == 0)
{
continue;
}
string[] var = line.Split(':');
string key = string.Empty;
string val = string.Empty;
if (var.Length > 1)
{
key = line.Substring(0, line.IndexOf(':'));
val = line.Substring(line.IndexOf(':') + 1).Trim();
switch (key)
{
case "Artist":
Artist = val;
break;
case "Title":
Title = val;
break;
case "Creator":
Creator = val;
break;
}
}
}
}
string baseName = Artist + " - " + Title + " (" + Creator + ")";
string oscFilename = baseName + ".osc";
foreach (BeatmapDifficulty d in difficulties)
{
if (d != null)
{
ListHelper.StableSort(d.HitObjectLines);
}
}
headerContent = difficulties.Find(d => d != null).HeaderLines;
string[] splitdir = dir.Split('\\');
string osz2Filename;
string baseFileWithLocation = baseName.Substring(baseName.LastIndexOf("\\", StringComparison.Ordinal) + 1);
if (free && DistBuild)
{
osz2Filename = baseFileWithLocation + ".osf2";
}
else
{
osz2Filename = baseFileWithLocation + (usem4a && !DistBuild ? ".m4a.osz2" : ".osz2");
}
string audioFilename = null;
if (usem4a)
{
audioFilename = "";
foreach (string s in Directory.GetFiles(dir, "*.m4a"))
{
if (s.Contains("_lq"))
{
continue;
}
audioFilename = s;
break;
}
}
else
{
audioFilename = Directory.GetFiles(dir, "*.mp3")[0];
}
File.Delete(osz2Filename);
//write the package initially so we can use it for score testing purposes.
writePackage(oscFilename, osz2Filename, audioFilename, difficulties, orderedDifficulties);
//scoring
Player.Beatmap = new Beatmap(osz2Filename);
Player.Autoplay = true;
//Working on the scoring algorithm for osu!s
//Basically I need to calculate the total possible score from hitobjects before any multipliers kick in...
//but I need to know this before the beatmap is loaded.
//So this means running through the beatmap as if it was being played at the time of package creation
//(inside BeatmapCombinator). After I find the score that can be achieved, I can figure out what multiplier
//i need in order to pad it out to a fixed 1,000,000 max score.
//I am sure I will run into some rounding issues once I get that far, but we'll see how things go :p.
ITimeSource oldTimeSource = Clock.AudioTimeSource;
FakeAudioTimeSource source = new FakeAudioTimeSource();
Clock.AudioTimeSource = source;
SoundEffectPlayer oldEffect = AudioEngine.Effect;
BackgroundAudioPlayer oldMusic = AudioEngine.Music;
AudioEngine.Music = null;
AudioEngine.Effect = null;
headerContent.Remove("[HitObjects]");
headerContent.Add(string.Empty);
headerContent.Add("[ScoringMultipliers]");
if (quick)
{
processDifficulty(Difficulty.Easy, true);
processDifficulty(Difficulty.Normal, true);
processDifficulty(Difficulty.Hard, true);
processDifficulty(Difficulty.Expert, true);
}
else
{
if (orderedDifficulties[(int)Difficulty.Easy] != null)
{
headerContent.Add("0: " + processDifficulty(Difficulty.Easy).ToString("G17", nfi));
}
if (orderedDifficulties[(int)Difficulty.Normal] != null)
{
headerContent.Add("1: " + processDifficulty(Difficulty.Normal).ToString("G17", nfi));
}
if (orderedDifficulties[(int)Difficulty.Expert] != null)
{
headerContent.Add("3: " + processDifficulty(Difficulty.Expert).ToString("G17", nfi));
}
}
if (healthMultiplier != 0)
{
headerContent.Add("HP:" + healthMultiplier.ToString("G17", nfi));
}
headerContent.Add(string.Empty);
headerContent.Add("[HitObjects]");
Player.Beatmap.Dispose();
Clock.AudioTimeSource = oldTimeSource;
AudioEngine.Effect = oldEffect;
AudioEngine.Music = oldMusic;
//only change the filename here so it is not treated as a preview above (else previewpoints will not be filled before necessary).
if (previewMode)
{
osz2Filename = osz2Filename.Replace(".osf2", "_preview.osf2");
}
//write the package a second time with new multiplier header data.
writePackage(oscFilename, osz2Filename, audioFilename, difficulties, orderedDifficulties);
return(osz2Filename);
}