// TODO: refactor with ScoreExtensions.CalculateDuration().
public static void UpdateStartTime([NotNull] this Bar bar)
{
var score = bar.Basic.Score;
var notes = score.GetAllNotes();
var allBpmNotes = notes.Where(n => n.Basic.Type == NoteType.VariantBpm).ToArray();
var currentTiming = score.Project.Settings.StartTimeOffset;
var currentBpm = score.Project.Settings.BeatPerMinute;
var currentInterval = BeatmapMathHelper.BpmToInterval(currentBpm);
foreach (var b in score.Bars)
{
if (b == bar)
{
break;
}
var currentGridPerSignature = b.GetGridPerSignature();
var numGrids = b.GetNumberOfGrids();
if (allBpmNotes.Any(n => n.Basic.Bar == b))
{
var bpmNotesInThisBar = allBpmNotes.Where(n => n.Basic.Bar == b).ToList();
bpmNotesInThisBar.Sort((n1, n2) => n1.Basic.IndexInGrid.CompareTo(n2.Basic.IndexInGrid));
var bpmNoteIndex = 0;
for (var i = 0; i < numGrids; ++i)
{
if (bpmNoteIndex < bpmNotesInThisBar.Count)
{
var bpmNote = bpmNotesInThisBar[bpmNoteIndex];
Debug.Assert(bpmNote.Params != null, "bpmNote.Params != null");
if (i == bpmNote.Basic.IndexInGrid)
{
currentBpm = bpmNote.Params.NewBpm;
currentInterval = BeatmapMathHelper.BpmToInterval(currentBpm);
++bpmNoteIndex;
}
}
currentTiming += currentInterval / currentGridPerSignature;
}
}
else
{
var currentSignature = b.GetSignature();
currentTiming += currentInterval * currentSignature;
}
}
var startTime = TimeSpan.FromSeconds(currentTiming);
bar.Temporary.StartTime = startTime;
}
private void BtnOneMeasureMore_Click(object sender, EventArgs e)
{
if (!CheckFields())
{
return;
}
var bpm = double.Parse(txtBPM.Text, NumberStyles.Number, CultureInfo.CurrentCulture);
var startOffset = double.Parse(txtMusicOffset.Text, NumberStyles.Number, CultureInfo.CurrentCulture);
var interval = BeatmapMathHelper.BpmToInterval(bpm);
int beatCount;
switch (_primaryBeatMode)
{
case PrimaryBeatMode.EveryFourBeats:
beatCount = 4;
break;
case PrimaryBeatMode.EveryThreeBeats:
beatCount = 3;
break;
default:
throw new ArgumentOutOfRangeException();
}
startOffset += beatCount * interval;
_musicOffset = startOffset;
txtMusicOffset.Text = _musicOffset.ToString("0.000");
txtMusicOffset.Focus();
txtMusicOffset.SelectAll();
}
public static TimeSpan CalculateDuration([NotNull] this Bar bar)
{
var notes = bar.Notes;
var score = bar.Basic.Score;
var currentBpm = score.Project.Settings.BeatPerMinute;
foreach (var b in score.Bars)
{
if (b == bar)
{
break;
}
var thisBarHasBpm = b.Notes.Count != 0 && b.Notes.Any(n => n.Basic.Type == NoteType.VariantBpm);
if (!thisBarHasBpm)
{
continue;
}
var bpmNotes = b.Notes.Where(n => n.Basic.Type == NoteType.VariantBpm).ToList();
bpmNotes.Sort(Note.TimingComparison);
var currentBpmNote = bpmNotes[bpmNotes.Count - 1];
Debug.Assert(currentBpmNote.Params != null, "currentBpmNote.Params != null");
currentBpm = currentBpmNote.Params.NewBpm;
}
var hasAnyBpmNote = notes.Count != 0 && notes.Any(n => n.Basic.Type == NoteType.VariantBpm);
var currentInterval = BeatmapMathHelper.BpmToInterval(currentBpm);
double seconds;
if (hasAnyBpmNote)
{
var bpmNotesInThisBar = bar.Notes.Where(n => n.Basic.Bar == bar).ToList();
var numGrids = bar.GetNumberOfGrids();
var currentGridPerSignature = bar.GetGridPerSignature();
bpmNotesInThisBar.Sort((n1, n2) => n1.Basic.IndexInGrid.CompareTo(n2.Basic.IndexInGrid));
var bpmNoteIndex = 0;
seconds = 0;
for (var i = 0; i < numGrids; ++i)
{
if (bpmNoteIndex < bpmNotesInThisBar.Count)
{
var bpmNote = bpmNotesInThisBar[bpmNoteIndex];
if (i == bpmNote.Basic.IndexInGrid)
{
currentInterval = BeatmapMathHelper.BpmToInterval(currentBpm);
++bpmNoteIndex;
}
}
seconds += currentInterval * i / currentGridPerSignature;
}
}
else
{
seconds = BeatmapMathHelper.BpmToInterval(currentBpm) * bar.GetSignature();
}
return(TimeSpan.FromSeconds(seconds));
}
private static CompiledScore Compile([NotNull] Score score, [CanBeNull] TimeSpan?userDefinedEnding)
{
var notes = score.GetAllNotes();
// First, calculate all timing at the grid lines.
var allBpmNotes = notes.Where(n => n.Basic.Type == NoteType.VariantBpm).ToArray();
var timings = new Dictionary <Bar, double[]>();
var currentTiming = score.Project.Settings.StartTimeOffset;
var currentBpm = score.Project.Settings.BeatPerMinute;
var currentInterval = BeatmapMathHelper.BpmToInterval(currentBpm);
foreach (var bar in score.Bars)
{
var currentGridPerSignature = bar.GetGridPerSignature();
var numGrids = bar.GetNumberOfGrids();
var t = new double[numGrids];
if (allBpmNotes.Any(n => n.Basic.Bar == bar))
{
// If there are variant BPM notes, we have to do some math...
var bpmNotesInThisBar = allBpmNotes.Where(n => n.Basic.Bar == bar).ToList();
bpmNotesInThisBar.Sort((n1, n2) => n1.Basic.IndexInGrid.CompareTo(n2.Basic.IndexInGrid));
var bpmNoteIndex = 0;
for (var i = 0; i < numGrids; ++i)
{
if (bpmNoteIndex < bpmNotesInThisBar.Count)
{
var bpmNote = bpmNotesInThisBar[bpmNoteIndex];
if (i == bpmNote.Basic.IndexInGrid)
{
Debug.Assert(bpmNote.Params != null, "bpmNote.Params != null");
// Yes! We have a visitor: a variant BPM note!
currentBpm = bpmNote.Params.NewBpm;
currentInterval = BeatmapMathHelper.BpmToInterval(currentBpm);
++bpmNoteIndex;
}
}
t[i] = currentTiming;
currentTiming += currentInterval / currentGridPerSignature;
}
}
else
{
// If there are no variant BPM notes, things get a lot easier.
for (var i = 0; i < numGrids; ++i)
{
t[i] = currentTiming + currentInterval * i / currentGridPerSignature;
}
var currentSignature = bar.GetSignature();
currentTiming += currentInterval * currentSignature;
}
timings[bar] = t;
}
// Then, create a list and fill in basic information.
var compiledNotes = new List <CompiledNote>();
var noteMap1 = new Dictionary <CompiledNote, Note>();
var noteMap2 = new Dictionary <Note, CompiledNote>();
foreach (var note in notes)
{
if (!note.Helper.IsGaming)
{
continue;
}
var compiledNote = new CompiledNote();
compiledNote.Type = note.Basic.Type;
compiledNote.HitTiming = timings[note.Basic.Bar][note.Basic.IndexInGrid];
compiledNote.StartPosition = note.Basic.StartPosition;
compiledNote.FinishPosition = note.Basic.FinishPosition;
compiledNote.FlickType = note.Basic.FlickType;
compiledNote.IsSync = note.Helper.IsSync;
compiledNotes.Add(compiledNote);
noteMap1[compiledNote] = note;
noteMap2[note] = compiledNote;
}
compiledNotes.Sort((n1, n2) => n1.HitTiming.CompareTo(n2.HitTiming));
// ReSharper disable once InconsistentNaming
// Then, calculate group IDs.
var currentGroupID = 1;
foreach (var compiledNote in compiledNotes)
{
if (compiledNote.GroupID != 0)
{
continue;
}
var note = noteMap1[compiledNote];
if (!note.Helper.IsFlick && !note.Helper.IsSlide)
{
continue;
}
var cn = compiledNote;
if (note.Helper.IsFlick)
{
var n = note;
while (n != null)
{
cn.GroupID = currentGroupID;
n = n.Editor.NextFlick;
if (n != null)
{
cn = noteMap2[n];
}
}
++currentGroupID;
}
else if (note.Helper.IsSlide)
{
var n = note;
var n2 = n;
while (n != null)
{
cn.GroupID = currentGroupID;
n2 = n;
n = n.Editor.NextSlide;
if (n != null)
{
cn = noteMap2[n];
}
}
// A slide group, directly followed by a flick group.
if (n2.Helper.HasNextFlick)
{
n = n2.Editor.NextFlick;
while (n != null)
{
cn = noteMap2[n];
cn.GroupID = currentGroupID;
n = n.Editor.NextFlick;
}
}
++currentGroupID;
}
}
// Then, add three key notes. (Keynotes, hahaha.)
var totalNoteCount = compiledNotes.Count;
var scoreInfoNote = new CompiledNote();
scoreInfoNote.Type = NoteType.NoteCount;
// Here I used a trick. This will run well while violating the meaning of enum.
scoreInfoNote.FlickType = (NoteFlickType)totalNoteCount;
var songStartNote = new CompiledNote {
Type = NoteType.MusicStart
};
var endTiming = userDefinedEnding?.TotalSeconds ?? currentTiming;
var songEndNote = new CompiledNote {
Type = NoteType.MusicEnd,
HitTiming = endTiming
};
compiledNotes.Insert(0, scoreInfoNote);
compiledNotes.Insert(1, songStartNote);
compiledNotes.Add(songEndNote);
// ReSharper disable once InconsistentNaming
// Finally, ID them.
var currentNoteID = 1;
foreach (var note in compiledNotes)
{
note.ID = currentNoteID;
++currentNoteID;
}
// We did it! Oh yeah!
var compiledScore = new CompiledScore(compiledNotes);
return(compiledScore);
}
public static IReadOnlyList <IReadOnlyList <TimeSpan> > UpdateNoteHitTimings([NotNull] this Score score)
{
var notes = score.GetAllNotes();
// First, calculate all timing at the grid lines.
var allBpmNotes = notes.Where(n => n.Basic.Type == NoteType.VariantBpm).ToArray();
var timings = new List <TimeSpan[]>();
var currentTiming = TimeSpan.FromSeconds(score.Project.Settings.StartTimeOffset);
var currentBpm = score.Project.Settings.BeatPerMinute;
var currentInterval = BeatmapMathHelper.BpmToInterval(currentBpm);
foreach (var bar in score.Bars)
{
var currentGridPerSignature = bar.GetGridPerSignature();
var numGrids = bar.GetNumberOfGrids();
var t = new TimeSpan[numGrids];
if (allBpmNotes.Any(n => n.Basic.Bar == bar))
{
// If there are variant BPM notes, we have to do some math...
var bpmNotesInThisBar = allBpmNotes.Where(n => n.Basic.Bar == bar).ToList();
bpmNotesInThisBar.Sort((n1, n2) => n1.Basic.IndexInGrid.CompareTo(n2.Basic.IndexInGrid));
var bpmNoteIndex = 0;
for (var i = 0; i < numGrids; ++i)
{
if (bpmNoteIndex < bpmNotesInThisBar.Count)
{
var bpmNote = bpmNotesInThisBar[bpmNoteIndex];
if (i == bpmNote.Basic.IndexInGrid)
{
Debug.Assert(bpmNote.Params != null, "bpmNote.Params != null");
// Yes! We have a visitor: a variant BPM note!
currentBpm = bpmNote.Params.NewBpm;
currentInterval = BeatmapMathHelper.BpmToInterval(currentBpm);
++bpmNoteIndex;
}
}
t[i] = currentTiming;
currentTiming += TimeSpan.FromSeconds(currentInterval / currentGridPerSignature);
}
}
else
{
// If there are no variant BPM notes, things get a lot easier.
for (var i = 0; i < numGrids; ++i)
{
t[i] = currentTiming + TimeSpan.FromSeconds(currentInterval * i / currentGridPerSignature);
}
var currentSignature = bar.GetSignature();
currentTiming += TimeSpan.FromSeconds(currentInterval * currentSignature);
}
// The timing index should equal corresponding bar index.
timings.Add(t);
}
// Update the HitTiming property of each gaming note.
foreach (var note in notes)
{
if (!note.Helper.IsGaming)
{
continue;
}
note.Temporary.HitTiming = timings[note.Basic.Bar.Basic.Index][note.Basic.IndexInGrid];
}
return(timings);
}