Program: 162037
Project: 162037
Buggy source:
public void render(){
  BufferStrategy bs=getBufferStrategy();
  if (bs == null) {
    createBufferStrategy(3);
    return;
  }
  int xOffset=(int)getPlayer().getX() - (screen.getWidth() / 2);
  int yOffset=(int)getPlayer().getY() - (screen.getHeight() / 2);
  getLevel().renderTiles(screen,xOffset,yOffset);
  getLevel().renderEntities(screen);
  getLevel().renderProjectileEntities(screen);
  for (int y=0; y < screen.getHeight(); y++) {
    for (int x=0; x < screen.getWidth(); x++) {
      int colourCode=screen.getPixels()[x + y * screen.getWidth()];
      if (colourCode < 255) {
        pixels[x + y * WIDTH]=colours[colourCode];
      }
    }
  }
  if (noAudioDevice == false) {
    if (input.isPlayMusic() == true && notActive == true) {
      int musicOption=JOptionPane.showConfirmDialog(this,"String_Node_Str","String_Node_Str",2,2);
      if (musicOption == 0) {
        musicThread.start();
        notActive=false;
      }
 else {
        print.print("String_Node_Str",PrintTypes.GAME);
        input.setPlayMusic(false);
      }
    }
  }
  if (isChangeLevel() == true && getTickCount() % 60 == 0) {
    Game.setChangeLevel(true);
    setChangeLevel(false);
  }
  if (changeLevel == true) {
    print.print("String_Node_Str",PrintTypes.GAME);
    if (getMap() == 1) {
      setMap("String_Node_Str");
      getLevel().removeEntity(getDummy());
      setNpc(false);
      getLevel().removeEntity(getVendor());
      setMap(2);
    }
 else     if (getMap() == 2) {
      setMap("String_Node_Str");
      getLevel().removeEntity(getDummy());
      setNpc(false);
      getLevel().addEntity(getVendor());
      setMap(1);
    }
    changeLevel=false;
  }
  Graphics g=bs.getDrawGraphics();
  g.drawRect(0,0,getWidth(),getHeight());
  g.drawImage(image,0,0,getWidth(),getHeight() - 30,null);
  status(g,isDevMode(),isClosing());
  g.drawImage(image2,0,getHeight() - 30,getWidth(),getHeight(),null);
  g.setColor(Color.WHITE);
  g.setFont(font.getSegoe());
  g.drawString("String_Node_Str" + WordUtils.capitalizeFully(player.getSantizedUsername()),3,getHeight() - 17);
  g.setColor(Color.ORANGE);
  if (context.getLocale().getCountry().equals("String_Node_Str") || context.getLocale().getCountry().equals("String_Node_Str")) {
    g.drawString("String_Node_Str",(getWidth() / 2) - ("String_Node_Str".length() * 3),getHeight() - 17);
  }
 else {
    g.drawString("String_Node_Str",(getWidth() / 2) - ("String_Node_Str".length() * 3),getHeight() - 17);
  }
  g.setColor(Color.YELLOW);
  g.drawString(time.getTime(),(getWidth() - 58),(getHeight() - 3));
  g.setColor(Color.WHITE);
  if (noAudioDevice == true) {
    g.setColor(Color.RED);
    g.drawString("String_Node_Str",3,getHeight() - 3);
    trigger++;
    if (trigger == 25) {
      JOptionPane.showMessageDialog(this,"String_Node_Str","String_Node_Str",0);
    }
  }
 else   if (notActive == true) {
    g.setColor(Color.RED);
    g.drawString("String_Node_Str",3,getHeight() - 3);
  }
 else {
    g.setColor(Color.GREEN);
    g.drawString("String_Node_Str",3,getHeight() - 3);
    g.setColor(Color.WHITE);
    setNowPlaying(WordUtils.capitalize(music.getSongName()[music.getSongNumber()].substring(7,(music.getSongName()[music.getSongNumber()].length() - 4))));
    if (getNowPlaying().startsWith("String_Node_Str")) {
      g.drawString(nowPlaying,getWidth() - (nowPlaying.length() * 9) + 12,getHeight() - 17);
    }
 else {
      g.drawString(nowPlaying,getWidth() - (nowPlaying.length() * 9) + 8,getHeight() - 17);
    }
  }
  g.dispose();
  bs.show();
}

Fixed version (ground truth):
public void render(){
  BufferStrategy bs=getBufferStrategy();
  if (bs == null) {
    createBufferStrategy(3);
    return;
  }
  int xOffset=(int)getPlayer().getX() - (screen.getWidth() / 2);
  int yOffset=(int)getPlayer().getY() - (screen.getHeight() / 2);
  getLevel().renderTiles(screen,xOffset,yOffset);
  getLevel().renderEntities(screen);
  getLevel().renderProjectileEntities(screen);
  for (int y=0; y < screen.getHeight(); y++) {
    for (int x=0; x < screen.getWidth(); x++) {
      int colourCode=screen.getPixels()[x + y * screen.getWidth()];
      if (colourCode < 255) {
        pixels[x + y * WIDTH]=colours[colourCode];
      }
    }
  }
  if (noAudioDevice == false) {
    if (input.isPlayMusic() == true && notActive == true) {
      int musicOption=JOptionPane.showConfirmDialog(this,"String_Node_Str","String_Node_Str",2,2);
      if (musicOption == 0) {
        musicThread.start();
        notActive=false;
      }
 else {
        print.print("String_Node_Str",PrintTypes.GAME);
        input.setPlayMusic(false);
      }
    }
  }
  if (isChangeLevel() == true && getTickCount() % 60 == 0) {
    Game.setChangeLevel(true);
    setChangeLevel(false);
  }
  if (changeLevel == true) {
    print.print("String_Node_Str",PrintTypes.GAME);
    if (getMap() == 1) {
      setMap("String_Node_Str");
      if (getDummy() != null) {
        getLevel().removeEntity(getDummy());
        setNpc(false);
      }
      getLevel().removeEntity(getVendor());
      setMap(2);
    }
 else     if (getMap() == 2) {
      setMap("String_Node_Str");
      getLevel().removeEntity(getDummy());
      setNpc(false);
      getLevel().addEntity(getVendor());
      setMap(1);
    }
    changeLevel=false;
  }
  Graphics g=bs.getDrawGraphics();
  g.drawRect(0,0,getWidth(),getHeight());
  g.drawImage(image,0,0,getWidth(),getHeight() - 30,null);
  status(g,isDevMode(),isClosing());
  g.drawImage(image2,0,getHeight() - 30,getWidth(),getHeight(),null);
  g.setColor(Color.WHITE);
  g.setFont(font.getSegoe());
  g.drawString("String_Node_Str" + WordUtils.capitalizeFully(player.getSantizedUsername()),3,getHeight() - 17);
  g.setColor(Color.ORANGE);
  if (context.getLocale().getCountry().equals("String_Node_Str") || context.getLocale().getCountry().equals("String_Node_Str")) {
    g.drawString("String_Node_Str",(getWidth() / 2) - ("String_Node_Str".length() * 3),getHeight() - 17);
  }
 else {
    g.drawString("String_Node_Str",(getWidth() / 2) - ("String_Node_Str".length() * 3),getHeight() - 17);
  }
  g.setColor(Color.YELLOW);
  g.drawString(time.getTime(),(getWidth() - 58),(getHeight() - 3));
  g.setColor(Color.WHITE);
  if (noAudioDevice == true) {
    g.setColor(Color.RED);
    g.drawString("String_Node_Str",3,getHeight() - 3);
    trigger++;
    if (trigger == 25) {
      JOptionPane.showMessageDialog(this,"String_Node_Str","String_Node_Str",0);
    }
  }
 else   if (notActive == true) {
    g.setColor(Color.RED);
    g.drawString("String_Node_Str",3,getHeight() - 3);
  }
 else {
    g.setColor(Color.GREEN);
    g.drawString("String_Node_Str",3,getHeight() - 3);
    g.setColor(Color.WHITE);
    setNowPlaying(WordUtils.capitalize(music.getSongName()[music.getSongNumber()].substring(7,(music.getSongName()[music.getSongNumber()].length() - 4))));
    if (getNowPlaying().startsWith("String_Node_Str")) {
      g.drawString(nowPlaying,getWidth() - (nowPlaying.length() * 9) + 12,getHeight() - 17);
    }
 else {
      g.drawString(nowPlaying,getWidth() - (nowPlaying.length() * 9) + 8,getHeight() - 17);
    }
  }
  g.dispose();
  bs.show();
}