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CallOfDuty.java
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CallOfDuty.java
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package design.memento;
/**
* Author : suzeyu
* Time : 2016-11-21 下午10:03
* Blog : http://szysky.com
* GitHub : https://github.com/suzeyu1992
* ClassDescription : 使命召唤游戏, 充当originator角色
*/
public class CallOfDuty {
private int mCheckpoint = 1;
private int mLifeValue = 100;
private String mWeapon = "沙漠之鹰";
/**
* 玩游戏
*/
public void play(){
System.out.println("玩游戏: "+ String.format("第%d关", mCheckpoint) + " 奋战杀敌中");
mLifeValue -= 10;
System.out.println("进度升级中");
mCheckpoint++;
System.out.println("到达 " + String.format("第%d关", mCheckpoint));
}
/**
* 退出游戏
*/
public void quit(){
System.out.println("-----");
System.out.println("退出前的游戏属性: "+this.toString());
System.out.println("退出游戏");
System.out.println("-----");
}
/**
* 创建备忘录
*/
public Memo createMemo(){
Memo memo = new Memo();
memo.mWeapon = mWeapon;
memo.mLifeValue = mLifeValue;
memo.mCheckpoint = mCheckpoint;
return memo;
}
public void restore(Memo memo){
mCheckpoint = memo.mCheckpoint;
mLifeValue = memo.mLifeValue;
mWeapon = memo.mWeapon;
System.out.println("恢复后的游戏属性--> "+toString());
}
@Override
public String toString() {
return "当前游戏信息: checkpoint="+ mCheckpoint +" ,mLifeValue="+mLifeValue +" ,mWeapon="+mWeapon;
}
}