private Track GetClosestTrack(Track currentTrack, Direction direction)
{
if (currentTrack == null)
{
return(null);
}
var track = this.Library.GetTracks().OrderBy(t => BassHelper.AbsoluteBPMPercentChange(currentTrack.EndBPM, t.StartBPM)).FirstOrDefault();
if (track != null)
{
return(track);
}
throw new NotImplementedException();
}
private Track GetRandomWorkingTrack()
{
var excludeTracks = new List <Track>();
excludeTracks.Add(this.CurrentTrack);
excludeTracks.AddRange(_history);
var preferredTracks = this.MixLibrary.GetPreferredTracks(this.CurrentTrack);
var forbiddenTracks = this.MixLibrary.GetForbiddenTracks(this.CurrentTrack);
excludeTracks.AddRange(forbiddenTracks);
excludeTracks.AddRange(preferredTracks);
Track randomTrack = null;
if (this.WorkingTrack != null && this.CurrentTrack != this.WorkingTrack && this.CurrentTrack != null)
{
randomTrack = this.WorkingTrack;
}
else if (this.WorkingTrack != null)
{
var currentTrack = this.CurrentTrack;
if (currentTrack == null)
{
currentTrack = this.WorkingTrack;
}
randomTrack = BassHelper.GetTracksInBPMRange(currentTrack.EndBPM, 5M, this.Library.GetTracks())
.Union(BassHelper.GetTracksInEndBPMRange(currentTrack.StartBPM, 5M, this.Library.GetTracks()))
.Distinct()
.Except(excludeTracks)
.OrderBy(t => BassHelper.AbsoluteBPMPercentChange(currentTrack.EndBPM, t.StartBPM))
.FirstOrDefault();
}
if (randomTrack == null)
{
randomTrack = this.WorkingTrack;
}
return(randomTrack);
}
/// <summary>
/// Gets the mix level for mixing track 1 into track 1
/// </summary>
/// <param name="track1">The track 1.</param>
/// <param name="track2">The track 2.</param>
/// <returns>A mix level from 0 to 5</returns>
public int GetMixLevel(Track track1, Track track2)
{
if (track1 == null || track2 == null)
{
return(0);
}
var mixTracks = GetMixTracks(track1);
var mixTrack = mixTracks.GetToTracks()
.Where(mt => mt.TrackDescription == track2.Description)
.FirstOrDefault();
if (mixTrack != null)
{
return(mixTrack.MixLevel);
}
if (BassHelper.AbsoluteBPMPercentChange(track1.EndBPM, track2.StartBPM) > 5M)
{
return(0);
}
return(1);
}
