private IEnumerable <ShowLight> GenerateBeamNotes(ArrangementData arrangement, List <ShowLight> currentShowlights)
{
var beamFunctions = new BeamGenerationFunctions(arrangement.MidiNotes, beamOptions.RandomizeColors);
switch (beamOptions.GenerationMethod)
{
case BeamGenerationMethod.MinTimeBetweenChanges:
return(beamFunctions.FromMinTime(
currentShowlights,
arrangement.Sections,
beamOptions.MinTimeBetweenNotes,
beamOptions.UseCompatibleColors));
case BeamGenerationMethod.FollowFogNotes:
return(BeamGenerationFunctions.FromFogNotes(currentShowlights));
default:
Debug.Print("ERROR: Unknown beam 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);
}
}
