class Countdown implements Entity 
{
  int timeStart, duration;
  float x, y;
  int scale;
  boolean disabled;
  String message;
  
  Countdown(String message, int timeStart, int duration, float x, float y, int scale) {
    this.message = message;
    this.timeStart = timeStart;
    this.duration = duration;
    this.x = x; this.y = y;
    this.scale = scale;
  }
  
  Countdown(int timeStart, int duration) {
    this("Remaining: ", timeStart, duration,  (arenaWidth - leftBorder - rightBorder) / 2, (mouseMaxY + arenaHeight) / 2 , 2);
  }
  
  void disable() {
    disabled = true;
  }
  void enable() {
    disabled = false;
    timeStart = millis();
  }

  void doPhysics0() { }

  void doPhysics1() { }

  void draw()
  {
    if (disabled)
      return;
    int timeLeft = (duration - (millis()-timeStart)/1000);
    if (timeLeft < 0) timeLeft = 0;
    String msg = message + timeLeft;
    float ox = x - font.w * scale * msg.length() / 2.0;
    font.Draw(ox, y, msg, scale);
    //println(message);
  }

  void levelStart()
  {
    x += leftBorder;
  }

  void addToLevel()
  {
    theEntities.add(this);
  }
}

class LevelMessage implements Entity
{
  String message;
  float x, y;
  int scale;

  LevelMessage(String message, float x, float y, int scale)
  {
    this.message = message;
    this.x = x - font.w * scale * message.length() / 2.0;
    this.y = y;
    this.scale = scale;
  }

  LevelMessage(String message)
  {
    this(message, 0, mouseMaxY, 2);
    centre();
    x -= leftBorder;
  }

  void centre()
  {
    x = (arenaWidth - leftBorder - rightBorder) / 2 - font.w * scale * message.length() / 2.0 + leftBorder;
  }

  void doPhysics0() { }

  void doPhysics1() { }

  void draw()
  {
    font.Draw(x, y, message, scale);
  }

  void levelStart()
  {
    x += leftBorder;
  }

  void addToLevel()
  {
    theEntities.add(this);
  }
}