public void Play()
{
var songs = from i in Instruments
from s in i.Songs
where Notes.Any() ? Notes.Contains(s.Note) : true &&
Octaves.Any() ? Octaves.Contains(s.Octave) : true &&
Tempos.Any() ? Tempos.Contains(s.Tempo) : true &&
Intensities.Any() ? Intensities.Contains(s.Intensity) : true &&
Modes.Any() ? Modes.Contains(s.Mode) : true
group s by s.Instrument into grouping
select grouping;
var songsDict = new Dictionary <string, List <Song> >();
foreach (IGrouping <string, Song> grouping in songs)
{
var lstSongs = new List <Song>();
foreach (var s in grouping.Take(MaxSongs))
{
lstSongs.Add(s);
}
songsDict.Add(grouping.Key, lstSongs);
}
foreach (var instrument in songsDict.Keys)
{
var song = songsDict[instrument].ElementAt(0);
song.Play();
songsDict[instrument].RemoveAt(0);
}
}
/// <summary>
/// 计算选择区域的信噪比。即只有设置为Enabled的离子会用于信噪比计算。
/// </summary>
public void CalculateSignalToNoise()
{
if (Intensities == null || !Intensities.Any(m => m.Enabled))
{
this._signalToNoise = 0;
}
else
{
this._signalToNoise = (from m in Intensities
where m.Enabled
select m.Intensity).Max() / Noise;
}
}
