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

/**
 * The MIT License
 * Copyright (c) 2014-2016 Ilkka Seppälä
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package com.iluwatar.doubledispatch;

/**
 * 
 * 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);
}