static void Main(string[] args)
{
int[] minorscale = new int[] { 0, 2, 3, 5, 7, 8, 10 };
List <int> minorNotes = new List <int>();
minorNotes.AddRange(minorscale.Select(x => 45 - 12 + x));
minorNotes.AddRange(minorscale.Select(x => 45 + x));
minorNotes.AddRange(minorscale.Select(x => 45 + 12 + x));
minorNotes.AddRange(minorscale.Select(x => 45 + 24 + x));
try
{
int midiOutDevice = 0; // GS Wavetable Synth
PerformanceCounter cpuCounter = new PerformanceCounter("Processor", "% Processor Time", "_Total");
PerformanceCounter visualStudio = new PerformanceCounter("Process", "% User Time", "devenv");
PerformanceCounter diskPercentCounter = new PerformanceCounter("LogicalDisk", "% Disk Time", "_Total");
using (var midiOut = new MidiOut(midiOutDevice))
{
NoteOnEvent lastNote = null;
PerfCounterScaling pcfCpu = new PerfCounterScaling()
{
MaxValue = 100.0f
};
Averager cpuAvg = new Averager(10, 0.1f);
PerfCounterScaling pcuDisk = new PerfCounterScaling()
{
MaxValue = 100.0f
};
var mtPiano = new MidiSingleNoteTracker(midiOut, 1, 0);
var mtStrings = new MidiSingleNoteTracker(midiOut, 2, 49);
var mtGuitar = new MidiSingleNoteTracker(midiOut, 3, 26);
while (true)
{
var cpu = GetNextScaledValueOrNull(cpuCounter, pcfCpu, cpuAvg);
var visualStudioCpu = GetNextScaledValueOrNull(visualStudio, pcfCpu);
if ((cpu.HasValue && (cpu > 0.5 || cpuAvg.AverageValue > 0.3)) ||
(visualStudioCpu.HasValue && visualStudioCpu > 0.5))
{
if (cpu.HasValue)
{
MapToNote(cpu.Value, cpuAvg.AverageValue, minorNotes, mtPiano, false);
}
System.Threading.Thread.Sleep(250);
if (visualStudioCpu.HasValue)
{
MapToNote(visualStudioCpu.Value, visualStudioCpu.Value, minorNotes, mtGuitar, true);
}
System.Threading.Thread.Sleep(250);
}
else
{
//mtGuitar.StopPlaying();
//mtPiano.StopPlaying(); they ring out
System.Threading.Thread.Sleep(500);
}
var disk = GetNextScaledValueOrNull(diskPercentCounter, pcuDisk, null);
if (disk.HasValue && disk.Value > 0.05)
{
MapToNote(disk.Value, 0.25f, minorNotes, mtStrings, false);
}
else
{
mtStrings.StopPlaying();
}
Console.WriteLine($"cpu:{cpu:P}/{cpuAvg.AverageValue:P} vs:{visualStudioCpu:P} disk:{disk:P}");
System.Threading.Thread.Sleep(500);
}
}
}
catch (Exception ex)
{
Console.Error.WriteLine(ex);
}
finally
{
Console.WriteLine("Done");
}
}
private static void MapToNote(float cookedNote, float cookedVelocity, List <int> minorNotes, MidiSingleNoteTracker mt, bool shouldAlwaysPlayNewNote = true)
{
// put range limiting in here
var index = (int)(cookedNote * (minorNotes.Count - 1));
var velocity = (int)(cookedVelocity * 90.0) + 30;
var note = minorNotes[index];
if (shouldAlwaysPlayNewNote)
{
mt.PlayNewNote(note, velocity);
}
else
{
if (mt.PlayingNote == null || mt.PlayingNote.NoteNumber != note)
{
mt.PlayNewNote(note, velocity);
}
}
}