public static bool TryParse(TextEvent textEvent, out DrumMixEvent drumMixEvent)
{
drumMixEvent = null;
if (textEvent.MetaEventType != MetaEventType.TextEvent)
{
return(false);
}
var match = Regex.Match(textEvent.Text, @"^\[mix (?<difficulty>[0-3]) (?<configuration>.*)\]$");
if (!match.Success)
{
return(false);
}
var configuration = match.Groups["configuration"].Value;
if (!ValidConfigurations.Contains(configuration))
{
return(false);
}
var difficulty = int.Parse(match.Groups["difficulty"].Value);
drumMixEvent = new DrumMixEvent(difficulty, configuration, textEvent);
return(true);
}
public void AddDrumMixEvents(MidiEventCollection midi)
{
var drumTrack = midi.GetTrackByName(TrackName.Drums.ToString());
var existingMixEvents = drumTrack.
OfType <TextEvent>().
Where(e => e.AbsoluteTime == 0 && e.MetaEventType == MetaEventType.TextEvent).
Select(e => e.AsDrumMixEvent()).
Where(e => e != null).
ToList();
for (var difficulty = 0; difficulty < 4; difficulty++)
{
if (existingMixEvents.Any(e => e.Difficulty == difficulty))
{
continue;
}
// Try to keep them in order
drumTrack.Insert(difficulty + 1, DrumMixEvent.DefaultFor(difficulty));
}
}
public static DrumMixEvent AsDrumMixEvent(this TextEvent textEvent)
{
DrumMixEvent drumMixEvent;
return(DrumMixEvent.TryParse(textEvent, out drumMixEvent) ? drumMixEvent : null);
}