import processing.sound.*;

SoundFile[] file;

// Initialize data 
int numSounds = 0;
int numTracks = 0;
int bpm       = 0;
int divider   = 0;
int duration  = 0;
int beat      = 0;

boolean[][] samples;

void setup() {
  size(640, 460);
  background(255);

  loadData();

}

void draw() {
  background(50);
  stroke(255);
  fill(200);
  
  printControllerStatus();

  if(controller[0] == "PLAY") {
    for(int i=0; i<numSounds; i++) {
      for(int y=0; y<divider; y++) {
        fill(samples[i][y] ? 120: 90);
        rect((width/divider)*y,((height-100)/numSounds)*i, width/divider, (height-100)/numSounds);
      }
    }
    
    for(int i=0; i<numSounds; i++) {
      fill(150);
      if(samples[i][beat]) {
        fill(0, 200, 0);
        file[i].stop();
        file[i].play();
      }
      rect((width/divider)*beat,((height-100)/numSounds)*i, width/divider, (height-100)/numSounds);
    }
    
    beat++;
    if(beat>=divider){beat=0;}
    
    if(ereaseRow>0 && doErease && beat==0) {
      for(int x=0; x<divider; x++) {
       samples[ereaseRow-1][x] = false;
      }  
      ereaseRow = 0;
      doErease = false;
    }
  }
    
  delay(duration);

}