private IEnumerable <ShowLight> GenerateFogNotes(ArrangementData arrangement)
{
var fogFunctions = new FogGenerationFunctions(arrangement.MidiNotes, fogOptions.RandomizeColors);
switch (fogOptions.GenerationMethod)
{
case SingleColor:
return(Enumerable.Repeat(new ShowLight(arrangement.FirstBeatTime, fogOptions.SelectedSingleFogColor), 1));
case ChangeEveryNthBar:
return(fogFunctions.FromBarNumbers(arrangement.Ebeats, fogOptions.ChangeFogColorEveryNthBar));
case MinTimeBetweenChanges:
return(fogFunctions.FromMinTime(fogOptions.MinTimeBetweenNotes));
case FromSectionNames:
return(fogFunctions.FromSections(arrangement.Sections));
case FromLowestOctaveNotes:
int min = arrangement.LowOctaveMinMidiNote;
int max = arrangement.LowOctaveMaxMidiNote;
return(fogFunctions.ConditionalGenerate(mn => mn.Note >= min && mn.Note <= max));
case FromChords:
return(fogFunctions.ConditionalGenerate(mn => mn.WasChord));
default:
Debug.Print("ERROR: Unknown fog generation method.");
return(Enumerable.Empty <ShowLight>());
}
}
// Ensures that at least one note of the type is present and moves the first note to the start of the beatmap.
private void ValidateFirstNoteOfType(List <ShowLight> showlights, ShowLightType showlightType)
{
int firstNoteIndex = showlights.FindIndex(sl => sl.GetShowLightType() == showlightType);
if (firstNoteIndex == -1)
{
// Add new random note if not found
showlights.Insert(0,
new ShowLight(FirstBeatTime,
showlightType == ShowLightType.Fog ? FogGenerationFunctions.GetRandomFogNote() : BeamGenerationFunctions.GetRandomBeamNote())
);
}
else if (showlights[firstNoteIndex].Time != FirstBeatTime)
{
// Move first note to start of the beatmap
showlights[firstNoteIndex] = new ShowLight(FirstBeatTime, showlights[firstNoteIndex].Note);
}
}
public IEnumerable <ShowLight> FromMinTime(
List <ShowLight> currentShowlights,
List <Section> sections,
float minTime,
bool useCompatible)
{
int minTimeMs = (int)(minTime * 1000f);
int previousNote = -1;
int previousTime = 0;
foreach (var midiNote in MidiNotes)
{
if (midiNote.Time - previousTime < minTimeMs || midiNote.Time == previousTime)
{
continue;
}
byte beamNote;
if (useCompatible)
{
var activeFog =
currentShowlights
.LastOrDefault(sl => sl.Time <= midiNote.Time && sl.IsFog());
byte[] compColorTable = (activeFog is null) ?
CompatibleColors[FogGenerationFunctions.GetRandomFogNote()] :
CompatibleColors[activeFog.Note];
// Check if normally retrieved beam is usable
if (!ShouldRandomize && Array.IndexOf(compColorTable, GetBeamNote(midiNote.Note)) >= 0)
{
beamNote = GetBeamNote(midiNote.Note);
}
else
{
int index = ShouldRandomize ? Randomizer.Next(0, compColorTable.Length) : midiNote.Note % compColorTable.Length;
beamNote = compColorTable[index];
}
}
else
{
beamNote = ShouldRandomize ? GetRandomBeamNote(previousNote) : GetBeamNote(midiNote.Note);
}
if (beamNote == previousNote)
{
continue;
}
yield return(new ShowLight(midiNote.Time, beamNote));
previousNote = beamNote;
previousTime = midiNote.Time;
}
// Turn beams off during noguitar sections (Skip last section (END))
foreach (var ngSection in sections.Where(s => s.Name == "noguitar").SkipLast())
{
yield return(new ShowLight(ngSection.Time, ShowLight.BeamOff));
}
}