java-design-patterns/double-dispatch/src/main/java/com/iluwatar/GameObject.java

package com.iluwatar;

/**
 * 
 * Game objects have coordinates and some
 * other status information.
 *
 */
public abstract class GameObject extends Rectangle {
	
	private boolean damaged;
	private boolean onFire;
	
	public GameObject(int left, int top, int right, int bottom) {
		super(left, top, right, bottom);
	}
	
	@Override
	public String toString() {
		return String.format("%s at %s damaged=%b onFire=%b", this.getClass().getSimpleName(), 
				super.toString(), isDamaged(), isOnFire());
	}
	
	public boolean isOnFire() {
		return onFire;
	}
	
	public void setOnFire(boolean onFire) {
		this.onFire = onFire;
	}
	
	public boolean isDamaged() {
		return damaged;
	}
	
	public void setDamaged(boolean damaged) {
		this.damaged = damaged;
	}
	
	public abstract void collision(GameObject gameObject);
	
	public abstract void collisionResolve(FlamingAsteroid asteroid);

	public abstract void collisionResolve(Meteoroid meteoroid);

	public abstract void collisionResolve(SpaceStationMir mir);

	public abstract void collisionResolve(SpaceStationIss iss);
}