package castle;

import java.util.HashMap;

import java.util.Scanner;

public class Game {

private Room currentRoom;

// 保存字符串与Handler对象之间关系的数据结构

private HashMap<String,Handler> handlers = new HashMap<String,Handler>();

public Game() {

handlers.put("go", new HandlerGo(this));

handlers.put("bye",new HandlerBye(this));

handlers.put("help", new HandlerHelp(this));

createRooms();

}

private void createRooms() {

Room outside, lobby, pub, study, bedroom;

// 制造房间

outside = new Room("城堡外");

lobby = new Room("大堂");

pub = new Room("小酒吧");

study = new Room("书房");

bedroom = new Room("卧室");

// 初始化房间的出口

outside.setExit("east", lobby);

outside.setExit("south", study);

outside.setExit("west", pub);

lobby.setExit("west", outside);

pub.setExit("east", outside);

study.setExit("north", outside);

study.setExit("east", bedroom);

bedroom.setExit("west", study);

lobby.setExit("up", pub);

pub.setExit("down", lobby);

currentRoom = outside; // 从城堡门外开始

}

private void printWelcome() {

System.out.println();

System.out.println("欢迎来到城堡！");

System.out.println("这是一个超级无聊的游戏。");

System.out.println("如果需要帮助，请输入 'help' 。");

System.out.println();

/* 代码复制，新建函數 */

showPrompt();

}

// 以下为用户命令

public void goRoom(String direction) {

Room nextRoom = currentRoom.getExit(direction);

/* 降低类的耦合度 */

if (nextRoom == null) {

System.out.println("那里没有门！");

} else {

currentRoom = nextRoom;

/* 代码复制，調用函數 */

showPrompt();

}

}

public void showPrompt() {

System.out.println("你在" + currentRoom);

System.out.print("出口有: ");

System.out.print(currentRoom.getExitDesc());

System.out.println();

}

/* 新建一个函数play来做循环 */

public void play() {

Scanner in = new Scanner(System.in);

/* 命令解析的硬编码，解成框架 */

while (true) {

String line = in.nextLine();

String[] words = line.split(" ");

// 取出对应的的Handler：HandlerBye/HandlerHelp/HandlerGo

Handler handler = handlers.get(words[0]);

/* 下述代码对任何新的命令均不会改变*/

String value = "";

if(words.length>1)

value = words[1];

if(handler!=null) {

handler.doCmd(value);

if(handler.isBye())

break;

}

/*-----------------------*/

}

in.close();

}

public static void main(String[] args) {

Game game = new Game();

game.printWelcome();

game.play();

System.out.println("感谢您的光临。再见！");

}

}