Java课设-zuul迷宫小游戏

/** * 该类是“World-of-Zuul”应用程序的主类。 * 《World of Zuul》是一款简单的文本冒险游戏。用户可以在一些房间组成的迷宫中探险。 * 你们可以通过扩展该游戏的功能使它更有趣!. * * 如果想开始执行这个游戏，用户需要创建Game类的一个实例并调用“play”方法。 * * Game类的实例将创建并初始化所有其他类:它创建所有房间，并将它们连接成迷宫；它创建解析器 * 接收用户输入，并将用户输入转换成命令后开始运行游戏。 * * @author Michael Kölling and David J. Barnes * @version 1.0 */ package cn.edu.whut.sept.zuul; import java.util.*; public class Game { private Parser parser; Stack stack=new Stack(); //储存玩家的移动过程 Stack roomStack=new Stack(); //储存玩家被传送前的位置 private Room currentRoom; //玩家当前所处位置 ArrayList<Room> rooms = new ArrayList<>(); //存储所有房间对象 Room outside = new Room("outside the main entrance of the university"); /** * 创建游戏并初始化内部数据和解析器. */ public Game() { createRooms(); parser = new Parser(); } /** * 创建所有房间对象并连接其出口用以构建迷宫. */ private void createRooms() { Room theater, pub, lab; TransporterRoom office; // create the rooms theater = new Room("in a lecture theater"); pub = new Room("in the campus pub"); lab = new Room("in a computing lab"); office = new TransporterRoom("in the computing admin office"); // initialise room exits outside.setExit("east", theater); outside.setExit("south", lab); outside.setExit("west", pub); theater.setExit("west", outside); pub.setExit("east", outside); lab.setExit("north", outside); lab.setExit("east", office); office.setExit("west", lab); currentRoom = outside; // 从outside开始游戏 rooms.add(outside); rooms.add(theater); rooms.add(pub); rooms.add(lab); } /** * 游戏主控循环，直到用户输入退出命令后结束整个程序. */ public void play() { printWelcome(); // Enter the main command loop. Here we repeatedly read commands and // execute them until the game is over. boolean finished = false; while (! finished) { Command command = parser.getCommand(); finished = processCommand(command); } System.out.println("Thank you for playing. Good bye."); } /** * 向用户输出欢迎信息. */ private void printWelcome() { System.out.println(); System.out.println("Welcome to the World of Zuul!"); System.out.println("World of Zuul is a new, incredibly boring adventure game."); System.out.println("Type 'help' if you need help."); System.out.println(); System.out.println(currentRoom.getLongDescription()); } /** * 执行用户输入的游戏指令. * @param command 待处理的游戏指令，由解析器从用户输入内容生成. * @return 如果执行的是游戏结束指令，则返回true，否则返回false. */ private boolean processCommand(Command command) { boolean wantToQuit = false; if(command.isUnknown()) { System.out.println("I don't know what you mean..."); return false; } String commandWord = command.getCommandWord(); String words[] = parser.getCommandWords(); int index = 0; for(; index<words.length; index++) if (commandWord.equals(words[index])) break; switch(index) { case 0: goRoom(command); break; case 1: wantToQuit = quit(command); break; case 2: printHelp(); break; case 3: backRoom(); break; } /* if (commandWord.equals("help")) { printHelp(); } else if (commandWord.equals("go")) { goRoom(command); } else if (commandWord.equals("quit")) { wantToQuit = quit(command); } */ // else command not recognised. return wantToQuit; } // implementations of user commands: /** * 执行help指令，在终端打印游戏帮助信息. * 此处会输出游戏中用户可以输入的命令列表 */ private void printHelp() { System.out.println("You are lost. You are alone. You wander"); System.out.println("around at the university."); System.out.println(); System.out.println("Your command words are:"); parser.showCommands(); } /** *执行go指令，向房间的指定方向出口移动，如果该出口连接了另一个房间，则会进入该房间， * 否则打印输出错误提示信息. * 保存玩家的移动路径 * 若进入有传送门的房间则传送到任意房间 */ private void goRoom(Command command) { if(!command.hasSecondWord()) { // if there is no second word, we don't know where to go... System.out.println("Go where?"); return; } String direction = command.getSecondWord(); stack.push(direction); // Try to leave current room. Room nextRoom = currentRoom.getExit(direction, rooms); if (nextRoom == null) { System.out.println("There is no door!"); } else { if(currentRoom.getExit(direction, rooms) instanceof TransporterRoom){ roomStack.push(currentRoom); stack.push("tran"); nextRoom = currentRoom.getExit(direction, rooms); currentRoom = nextRoom.getExit(direction, rooms); System.out.println(currentRoom.getLongDescription()); } else{ currentRoom = nextRoom; System.out.println(currentRoom.getLongDescription()); } } } /* 执行back指令，若栈为空则说明玩家已经回到起点 * 如果弹栈元素为方位指令，则玩家反向移动以退回上一个房间 * 如果弹栈元素为tran，则将房间栈弹出一个元素，即玩家被传送之前的位置 */ private void backRoom() { if(stack.empty()) System.out.println("You have been in the staring point.\nExits: east south west"); else{ String direction = (String)stack.pop(); if(direction.equals("west")) direction = "east"; if(direction.equals("east")) direction = "west"; if(direction.equals("south")) direction = "north"; if(direction.equals("north")) direction = "south"; if(direction.equals("tran")) { currentRoom = (Room)roomStack.pop(); stack.pop(); } else { Room nextRoom = currentRoom.getExit(direction, rooms); currentRoom = nextRoom; } if (currentRoom == null) currentRoom = outside; System.out.println(currentRoom.getLongDescription()); } } /** * 执行Quit指令，用户退出游戏。如果用户在命令中输入了其他参数，则进一步询问用户是否真的退出. * @return 如果游戏需要退出则返回true，否则返回false. */ private boolean quit(Command command) { if(command.hasSe