class XMLZong extends Zong{
  XMLElement xmlsong;
  ZongSettings settings;
  XMLElement patterns;
  XMLElement tonepatterns;
  XMLElement compose;

  String name;
  String file;
  boolean songloaded = false;
  boolean rocking = false;

  int bars = 0;
  int bar = 0, frame = 0, cframe = 0;

  float a, b, prevol;

  int notes2search;
  int note, pitx, vol, dur;

  String[][] lyrics = new String[1024][16];

  XMLZong(String $1){
    file = $1;
    loadSong();
  }
  void loadSong(){
    try{
      xmlsong = new XMLElement(p, file);
      parseSong();
      songloaded = true;
      println("song "+name+" loaded!");
    }
    catch(Exception ide){
      println(ide+" File "+file+" does not exist");
      songloaded = false;
    }
  }

  void rock(){
    //sequencer.start();
    score.play();
    rocking = true;
    println("song "+name+" rocking!");
  }

  void stop(){
    score.stop();
    rocking = false;
    bar = 0; frame = 0; cframe = 0;
    println("song "+name+" stopped");
  }

  void parseSong(){
    score.empty();
    name = xmlsong.getStringAttribute("name");
    settings = new ZongSettings(xmlsong.getChild(0));
    patterns = xmlsong.getChild(1);
    tonepatterns = xmlsong.getChild(2);
    compose = xmlsong.getChild(3);

    int quantization = 16;
    int position = 0;

    int chan = 0;

    for(int i=0; i<compose.getChildCount();i++){//recorre las partes
      for(int j =0; j<compose.getChild(i).getChildCount();j++){//y luego los patterns
        for(int k =0; k<compose.getChild(i).getChild(j).getChildCount();k++){//y luego los patterns dentro
          switch(compose.getChild(i).getChild(j).getChild(k).getIntAttribute("kind")){

          case 0:
            a = float(settings.mainlevel)/127;
            b = float(settings.drumlevel)/127;
            prevol = a*b;

            int drum2search = int(compose.getChild(i).getChild(j).getChild(k).getContent());

            for(int pad=0; pad<patterns.getChild(0).getChild(drum2search).getChildCount(); pad++){
              int padinstrument = patterns.getChild(0).getChild(drum2search).getChild(pad).getIntAttribute("id");
              String pttrn = patterns.getChild(0).getChild(drum2search).getChild(pad).getContent();
              for(int m=0; m<pttrn.length(); m++){
                String hxtep = pttrn.substring(m,m+1);
                try{
                  int vol = int(prevol*127*unhex(hxtep)/15);
                  score.addNote(float(position+m)/4, 9, 0, padinstrument, 100, 0.25, 0.8, random(127));//80);
                }
                catch(Exception e){//NullPointerException
                  //println("crashed by "+e);
                }
              }
            }
            break;
          case 1:
            a = float(settings.mainlevel)/127;
            b = float(settings.basslevel)/127;
            prevol = a*b;

            notes2search  = int(compose.getChild(i).getChild(j).getChild(k).getChild(0).getContent());
            int[] bassnotes = int(split(tonepatterns.getChild(notes2search).getContent(), ","));
            int bass2search = int(compose.getChild(i).getChild(j).getChild(k).getChild(1).getContent());

            for(int pad=0; pad<patterns.getChild(1).getChild(bass2search).getChildCount(); pad++){
              String pttrn = patterns.getChild(1).getChild(bass2search).getChild(pad).getContent();
              for(int m=0; m<pttrn.length(); m++){
                String hxtep = pttrn.substring(m,m+1);
                try{
                  note = 24+bassnotes[m];
                  pitx = note+unhex(hxtep);
                  vol = int(prevol*127);
                  dur = 20;
                  score.addNote(float(position+m)/4, chan, settings.bassinstrument, pitx, vol, 0.25, 0.8, random(127));//80);
                }
                catch(Exception e){//NullPointerException
                  //println("crashed by "+e);
                }
                score.addCallback(i/4, 0);
              }
            }
            break;

          case 2:
            a = float(settings.mainlevel)/127;
            b = float(settings.guitarlevel)/127;
            prevol = a*b;

            notes2search  = int(compose.getChild(i).getChild(j).getChild(k).getChild(0).getContent());
            int[] guitarnotes = int(split(tonepatterns.getChild(notes2search).getContent(), ","));
            int guitar2search = int(compose.getChild(i).getChild(j).getChild(k).getChild(1).getContent());

            for(int pad=0; pad<patterns.getChild(2).getChild(guitar2search).getChildCount(); pad++){
              String pttrn = patterns.getChild(2).getChild(guitar2search).getChild(pad).getContent();
              for(int m=0; m<pttrn.length(); m++){
                String hxtep = pttrn.substring(m,m+1);
                try{
                  note = 48+guitarnotes[m];
                  pitx = note+unhex(hxtep);
                  vol = int(prevol*127);
                  dur = 800;//0;
                  score.addNote(float(position+m)/4, chan, settings.guitarinstrument, pitx, vol, 0.25*8, 0.8, random(127));//80);
                }
                catch(Exception e){//NullPointerException
                  //println("crashed by "+e);
                }
              }
            }
            break;

          case 3:
            int frame = int(compose.getChild(i).getChild(j).getChild(k).getStringAttribute("frame").toString());
            String speech = compose.getChild(i).getChild(j).getChild(k).getContent();//(0).toString();
            lyrics[bars][frame] = speech;
            break;
          }
        }

        for(int m=0; m<16; m++){
          score.addCallback(float(position+m)/4, 1);
        }

        bars++;
        position+=quantization;
      }
    }
    score.tempo(settings.tempo);
    score.addCallbackListener(p);
  }
  void checksong(){
    if(rocking){
      bar = int(cframe/16);
      frame = cframe%16;
      if(lyrics[bar][frame]!=null)donmiguel.sing(lyrics[bar][frame]);
      cframe++;
    }
  }
  void draw(){
        if(!score.playing)stop();
  }
}