import java.awt.*;

import com.genuts.gameui.*;

/**
 * An exploding ball wrapper. <br>
 * Change the animation of an animation, and removes itself from
 * its parent playfield at the end of the second animation sequence.
 */
public class ExplosionWrapper extends SpriteWrapper {
  /**
   * Elements of the second animation.
   */
  private Image anim2;
  private int nbh2, nbv2, fr2;

  /**
   * Initializes the animated sprite with 2 animated sequences.
   */
  public ExplosionWrapper(AnimatedSprite sprite,
			  Image anim2, int nbh2, int nbv2, int fr2) {
    super(sprite);
    this.anim2 = anim2;
    this.nbh2 = nbh2;
    this.nbv2 = nbv2;
    this.fr2 = fr2;
  }

  /**
   * Receives the event that this sprite is collision
   * with another sprite
   * @param s Sprite with which the collision is
   */
  protected void collisionWith(Sprite s) {
    if (s != null) {
      setBackgroundSprite(true);
      int oldWidth = getWidth();
      int oldHeight = getHeight();
      ((AnimatedSprite) getActionSprite()).setSequence(anim2, nbh2, nbv2);
      ((AnimatedSprite) getActionSprite()).setFrequence(fr2);
      ((AnimatedSprite) getActionSprite()).setCurrentPictureNumber(0);
      ((AnimatedSprite) getActionSprite()).setSequenceLoop(false);
      setPosition(getX()+(oldWidth/2 - getWidth()/2),
		  getY()+(oldHeight/2 - getHeight()/2));
    }
    super.collisionWith(s);
  }

  /**
   * Propagations of the tick event to the action event
   * if it is an instance of Tickable. <br>
   * Checks if the actionSprite has ended is sequenceLoop
   * to remove the sprite from its parent playfield.
   */
  public void tick(int ticks) {
    PlayField parent = getParent();
    if ((parent != null) && ((AnimatedSprite) getActionSprite()).isSequenceEnded()) {
      parent.removeSprite(getFinalWrapper());
    }
    super.tick(ticks);
  }
}