public PatternChannel(int elementcnt)
{
_ElementCount = elementcnt;
Elements = new PatternElement[elementcnt];
for(int eel = 0; eel < elementcnt; eel++)
{
Elements[eel] = new PatternElement();
}
}
public short[] GetSignal(PatternElement element, int note, int octave)
{
// Return the sound data
// We need to determine how long one eighth of a beat is so that
// we can determine the number of frames in 1/8 beat
/*if(Oscs == null)
{
Oscs = new Oscilator[3];
for(int eos = 0; eos < Oscs.Length; eos++)
{
if(Oscs[eos] == null)
{
Oscs[eos] = new Oscilator();
if(eos == 0) { Oscs[eos].Enabled = true; }
}
}
}
if(Mixers == null)
{
Mixers = new MixerSettings[2];
for(int emx = 0; emx < Mixers.Length; emx++)
{
if(Mixers[emx] == null)
{
Mixers[emx] = new MixerSettings();
}
}
}*/
if(Generators == null)
{
InitGenerators();
}
if(Processors == null)
{
InitProcessors();
}
if(!Running)
{
//if(note > -1)
if(note > -1 && element != null)
{
Console.WriteLine("Machine: Not running, but current note is set.");
Running = true;
}
}
else if(Running && note == -2)
{
Console.WriteLine("Machine: Running, but current note is ===");
Running = false;
}
if(!Running) { Console.WriteLine("Machine: Not running, so exiting."); return null; }
//Console.WriteLine("Machine: Running, and now parsing data for audio output. Note: {0}", note);
float freq = ((1f / 12f) * note);
if(octave == 4) { freq = 0.5f + (freq * 0.5f); }
if(octave == 5) { freq = 1.0f + freq; }
if(octave == 6) { freq = 2.0f + (freq * 2.0f); }
//float freq = (float)Engine.Configuration.NoteFreq[octave][note];
//
// Each Row is 1/8 beat
// beat = row * 8
// time per beat = 60 / bpm
// tpb / 8 = row time
double bps = ((double)(Engine.TheTrack.Tempo / 60f));
double timeperrow = (double)((1f / bps) / 8f);
//timeperrow = ((double)(60f / Engine.TheTrack.Tempo) / 8f);
//int framecnt = (int)(Math.Ceiling((timeperrow * this.SampleRate) / bps));
//int framecnt = (int)(Math.Ceiling(((timeperrow * this.SampleRate) / bps) / 2));
int framecnt = (int)(Math.Ceiling(((double)this.SampleRate / freq)));
//int playlength = Math.Ceiling(((double)(60f / ((float)Engine.TheTrack.Tempo) / 8f)) * this.SampleRate);
//Console.WriteLine("GetSignal {0} {1} {2}", bps, timeperrow, framecnt);
if(element != null)
{
if(element.Volume > -1)
{
//Console.WriteLine("Changing volume for Machine");
this.Amplitude = (double)((double)element.Volume / 100f);
}
}
//
// Now based on the mixers, we need to combine the oscillator
// sound data into one stream.
//
short[] toret = null;// = new short[oscone.Length];
Signals = new Dictionary<string, short[]>();
Console.WriteLine("Adding signals from generators.");
for(int egen = 0; egen < Generators.Length; egen++)
{
if(Generators[egen] != null)
{
Signals.Add(egen.ToString(), Generators[egen].GetData(framecnt, note, octave));
}
}
Console.WriteLine("Creating output from processor chain.");
bool newnote = this.IsNoteNew;
for(int ep = 0; ep < this.Processors.Length; ep++)
{
if(this.Processors[ep] != null) { this.Processors[ep].IsNoteNew = newnote; }
}
toret = Process(0);
return toret;
}
public short[] GetSignal(PatternElement element)
{
if(element == null) { return GetSignal(element, -1, 5); }
return GetSignal(element, element.Note, element.Octave);
}