import java.awt.*;

import com.genuts.gameui.*;

public class CarouselTile extends GroundTile {

  /**
   * Speed of the robot shifting.
   */
  private final static int SPEED = 2;

  /**
   * The robot to shift.
   */
  private static Sprite colSprite = null;

  public CarouselTile(Sprite sprite) {
    super(sprite);
  }

  /**
   * Checks if the robot collides with the tile.
   */
  public boolean checkCollision(Sprite sprite) {
    return (super.checkCollision(sprite) &&
	    (((sprite.getX() + sprite.getWidth() - sprite.getRightCollisionOffset()) > (getX() + 1)) ||
	     ((sprite.getY() + sprite.getHeight() - sprite.getBottomCollisionOffset()) == getY())));
  }

  /**
   * Stores the robot to shift.
   */
  protected boolean preCollisionWith(Sprite s) {
    colSprite = s;
    return false;
  }

  /**
   * Shifts the robot.
   */
  public void tick(int ticks) {
    super.tick(ticks);
    if ((colSprite != null) &&
	!((RobotControler) colSprite).isFlying()) {
      colSprite.setPosition(colSprite.getX() + SPEED, colSprite.getY());
    }
    colSprite = null;
  }
}