import krister.Ess.*;

Pulser[] pulsers = new Pulser[4];
Player pl;
AudioFile daft;
AudioStream out;
FFT analysis;

void setup()
{
  size(400, 400);
  noCursor();
  rectMode(CENTER);
  framerate(24);
  noSmooth();
  pl = new Player(width/2, height/2, 5, 3);
  // x, y, r, fd, pa, c
  pulsers[0] = new Pulser(50, 70, 25, 50, 1.5, color(255, 0, 0));
  pulsers[1] = new Pulser(150, 90, 20, 40, 1.5, color(255, 0, 0));
  pulsers[2] = new Pulser(45, 300, 15, 30, 1.5, color(255, 0, 0));
  pulsers[3] = new Pulser(234, 300, 10, 20, 1.5, color(255, 0, 0));
  // bins, averages
  initEss(256, 16);
}

void draw()
{
  background(0);
  analysis.getSpectrum(out);
  // println("Frame: " + frameCount);
  for (int i = 0; i < pulsers.length; i++)
  {
    // println("    Average " + i*4 + ": " + analysis.averages[i*4]);
    if ( analysis.averages[i*4]*100 > 50 - i*10) pulsers[i].pulse();
    pulsers[i].update();
    pulsers[i].render();
  }
  pl.render();
}

void keyPressed()
{  
  if ( key == CODED )
  {
    pl.move();
  }
  else
  {
    if ( key == 'a' ) pl.speedUp();
    else if ( key == 's' ) pl.slowDown();
  }
}

void initEss(int bins, int avgs)
{
  Ess.start(this);
  daft = new AudioFile("hbfs.mp3", 0, Ess.READ, Ess.MIX);
  out = new AudioStream(128*1024);
  out.sampleRate(daft.sampleRate);
  out.start();
  analysis = new FFT(bins);
  analysis.equalizer(false);
  analysis.limits();
  analysis.damp(0.8);
  analysis.averages(avgs);
}

void audioStreamWrite(AudioStream theStream) {
  // read the next chunk
  int samplesRead = daft.read(out);
  if (samplesRead == 0) 
  {
    // start over
    daft.close();
    daft.open("expedition.wav", out.sampleRate, Ess.READ, Ess.MIX);
    samplesRead = daft.read(out);
  }
}

public void stop()
{
  Ess.stop();
  super.stop();
}