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backgameclass3

By: ace on Jul 28th, 2010 | syntax: None | size: 8.05 KB | hits: 9 | expires: Never

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import java.util.HashMap;
 
 
/**
 *  This class is the main class of the "World of Zuul" application. 
 *  "World of Zuul" is a very simple, text based adventure game.  Users 
 *  can walk around some scenery. That's all. It should really be extended 
 *  to make it more interesting!
 * 
 *  To play this game, create an instance of this class and call the "play"
 *  method.
 * 
 *  This main class creates and initialises all the others: it creates all
 *  rooms, creates the parser and starts the game.  It also evaluates and
 *  executes the commands that the parser returns.
 * 
 * @author  Michael Kolling and David J. Barnes
 * @version 1.0 (February 2002)
 */
 
public class Game 
{
    private Parser parser;
    private Room currentRoom;
    private String lastDirection;
    private HashMap<String,Room> rooms;
        
    /**
     * Create the game and initialise its internal map.
     */
    public Game() 
    {
        
        parser = new Parser();
        rooms = new HashMap<String, Room>();
        createRooms();
        
    }
 
    /**
     * Create all the rooms and link their exits together.
     */
    private void createRooms()
    {
        Room outside, galleria, theatre, pub, store, office;
      
        // create the rooms
        outside = new Room("outside the main entrance of the mall");
        galleria = new Room("in the mall galleria");
        theatre = new Room("in a movie theatre");
        pub = new Room("in the pub");
        store = new Room("in a store");
        office = new Room("in the mall office");
        
        //initialise roommap
        rooms.put("outside", outside);
        rooms.put("theatre", theatre);
        rooms.put("pub", pub);
        rooms.put("office", office);
        rooms.put("galleria", galleria);
        rooms.put ("store", store);
        
        // initialise room exits
        outside.setExit("east", pub);
        outside.setExit("south", galleria);
        outside.setExit ("west", theatre);
        theatre.setExit ("east", outside);
        theatre.setExit ("south", office);
        pub.setExit("west", outside);
        pub.setExit("south", store);
        office.setExit("north", theatre);
        office.setExit("east", galleria);
        galleria.setExit("north", outside);
        galleria.setExit("east", store);
        galleria.setExit("west", office);
        store.setExit ("north", pub);
        store.setExit("west", galleria);
        
 
 
        currentRoom = outside;  // start game outside
        lastDirection = null;
    }
    
    private void createItems(Room room)
    {
       Item tickingBomb, popcornMachine, beerTap;
        
        // create the items
        tickingBomb = new Item(1, "a ticking bomb");
        popcornMachine = new Item(2, "a popcorn machine");
        beerTap  = new Item (3, "a beer tap");
   
        rooms.get("pub").setItems(tickingBomb);
        rooms.get("pub").setItems(popcornMachine);
        rooms.get("pub").setItems(beerTap);
        
        // initialize item locations
        
   
}
 
private void printLocationInfo()
{
System.out.println("You are " + currentRoom.getLongDescription());
System.out.print("Exits: ");
System.out.println(currentRoom.getExitString());
}
    
    
    
    /**
     *  Main play routine.  Loops until end of play.
     */
    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.");
    }
 
    /**
     * Print out the opening message for the player.
     */
    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();
        printLocationInfo();
       
    }
 
    /**
     * Given a command, process (that is: execute) the command.
     * If this command ends the game, true is returned, otherwise false is
     * returned.
     */
    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();
        if (commandWord.equals("help"))
            printHelp();
        else if (commandWord.equals("go"))
            goRoom(command);
            else if (commandWord.equals("look"))
            look();
        else if (commandWord.equals("quit"))
            wantToQuit = quit(command);
        else if (commandWord.equals("defuse"))
            defuse();
        else if(commandWord.equals ("back"))
            back();
            return wantToQuit;
 
        
    }
 
    // implementations of user commands:
 
    /**
     * Print out some help information.
     * Here we print some stupid, cryptic message and a list of the 
     * command words.
     */
    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:");
        System.out.println ("" + parser.showCommands());
 
    }
 
    /** 
     * Try to go to one direction. If there is an exit, enter
     * the new room, otherwise print an error message.
     */
    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();
        
        // Try to leave current room.
        Room nextRoom = currentRoom.getExit(direction);
        
    
        if (nextRoom == null)
            System.out.println("There is no door!");
        else {
            lastDirection = direction;
            currentRoom = nextRoom;
            printLocationInfo();
            
        }
    }
    
    private void defuse()
        {
         System.out.println ("you have defused the bomb");
        }
 
    private void look()
{
System.out.println(currentRoom.getLongDescription());
}
 
    
    /** 
     * "Quit" was entered. Check the rest of the command to see
     * whether we really quit the game. Return true, if this command
     * quits the game, false otherwise.
     */
    private boolean quit(Command command) 
    {
        if(command.hasSecondWord()) {
            System.out.println("Quit what?");
            return false;
        }
        else
            return true;  // signal that we want to quit
    }
    
    private void back()
       {
           String reverseLastDirection = "";
           if(lastDirection=="north")
           
           {
           reverseLastDirection = "south";
        }
           if(lastDirection == "east")
           {
               reverseLastDirection = "west";
              
            }
            if(lastDirection == "south")
            {
                reverseLastDirection = "north";
                
            }
            if (lastDirection == "west")
            {
                reverseLastDirection = "east";
                
            }
            Command backCommand = new Command ("go", reverseLastDirection);
            goRoom(backCommand);
           }
 
 
       
           
 
 
/*private void getItemDescription(Item item)
    {
        item.getItemDescription(item);
    }
    
    private void getItemWeight(Item item)
    {
        item.getItemWeight(item);
    }*/
}

create a new version of this paste RAW Paste Data

import java.util.HashMap;


/**
 *  This class is the main class of the "World of Zuul" application. 
 *  "World of Zuul" is a very simple, text based adventure game.  Users 
 *  can walk around some scenery. That's all. It should really be extended 
 *  to make it more interesting!
 * 
 *  To play this game, create an instance of this class and call the "play"
 *  method.
 * 
 *  This main class creates and initialises all the others: it creates all
 *  rooms, creates the parser and starts the game.  It also evaluates and
 *  executes the commands that the parser returns.
 * 
 * @author  Michael Kolling and David J. Barnes
 * @version 1.0 (February 2002)
 */

public class Game 
{
    private Parser parser;
    private Room currentRoom;
    private String lastDirection;
    private HashMap<String,Room> rooms;
        
    /**
     * Create the game and initialise its internal map.
     */
    public Game() 
    {
        
        parser = new Parser();
        rooms = new HashMap<String, Room>();
        createRooms();
        
    }

    /**
     * Create all the rooms and link their exits together.
     */
    private void createRooms()
    {
        Room outside, galleria, theatre, pub, store, office;
      
        // create the rooms
        outside = new Room("outside the main entrance of the mall");
        galleria = new Room("in the mall galleria");
        theatre = new Room("in a movie theatre");
        pub = new Room("in the pub");
        store = new Room("in a store");
        office = new Room("in the mall office");
        
        //initialise roommap
        rooms.put("outside", outside);
        rooms.put("theatre", theatre);
        rooms.put("pub", pub);
        rooms.put("office", office);
        rooms.put("galleria", galleria);
        rooms.put ("store", store);
        
        // initialise room exits
        outside.setExit("east", pub);
        outside.setExit("south", galleria);
        outside.setExit ("west", theatre);
        theatre.setExit ("east", outside);
        theatre.setExit ("south", office);
        pub.setExit("west", outside);
        pub.setExit("south", store);
        office.setExit("north", theatre);
        office.setExit("east", galleria);
        galleria.setExit("north", outside);
        galleria.setExit("east", store);
        galleria.setExit("west", office);
        store.setExit ("north", pub);
        store.setExit("west", galleria);
        


        currentRoom = outside;  // start game outside
        lastDirection = null;
    }
    
    private void createItems(Room room)
    {
       Item tickingBomb, popcornMachine, beerTap;
        
        // create the items
        tickingBomb = new Item(1, "a ticking bomb");
        popcornMachine = new Item(2, "a popcorn machine");
        beerTap  = new Item (3, "a beer tap");
   
        rooms.get("pub").setItems(tickingBomb);
        rooms.get("pub").setItems(popcornMachine);
        rooms.get("pub").setItems(beerTap);
        
        // initialize item locations
        
   
}

private void printLocationInfo()
{
System.out.println("You are " + currentRoom.getLongDescription());
System.out.print("Exits: ");
System.out.println(currentRoom.getExitString());
}
    
    
    
    /**
     *  Main play routine.  Loops until end of play.
     */
    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.");
    }

    /**
     * Print out the opening message for the player.
     */
    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();
        printLocationInfo();
       
    }

    /**
     * Given a command, process (that is: execute) the command.
     * If this command ends the game, true is returned, otherwise false is
     * returned.
     */
    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();
        if (commandWord.equals("help"))
            printHelp();
        else if (commandWord.equals("go"))
            goRoom(command);
            else if (commandWord.equals("look"))
            look();
        else if (commandWord.equals("quit"))
            wantToQuit = quit(command);
        else if (commandWord.equals("defuse"))
            defuse();
        else if(commandWord.equals ("back"))
            back();
            return wantToQuit;

        
    }

    // implementations of user commands:

    /**
     * Print out some help information.
     * Here we print some stupid, cryptic message and a list of the 
     * command words.
     */
    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:");
        System.out.println ("" + parser.showCommands());

    }

    /** 
     * Try to go to one direction. If there is an exit, enter
     * the new room, otherwise print an error message.
     */
    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();
        
        // Try to leave current room.
        Room nextRoom = currentRoom.getExit(direction);
        
    
        if (nextRoom == null)
            System.out.println("There is no door!");
        else {
            lastDirection = direction;
            currentRoom = nextRoom;
            printLocationInfo();
            
        }
    }
    
    private void defuse()
        {
         System.out.println ("you have defused the bomb");
        }

    private void look()
{
System.out.println(currentRoom.getLongDescription());
}

    
    /** 
     * "Quit" was entered. Check the rest of the command to see
     * whether we really quit the game. Return true, if this command
     * quits the game, false otherwise.
     */
    private boolean quit(Command command) 
    {
        if(command.hasSecondWord()) {
            System.out.println("Quit what?");
            return false;
        }
        else
            return true;  // signal that we want to quit
    }
    
    private void back()
       {
           String reverseLastDirection = "";
           if(lastDirection=="north")
           
           {
           reverseLastDirection = "south";
        }
           if(lastDirection == "east")
           {
               reverseLastDirection = "west";
              
            }
            if(lastDirection == "south")
            {
                reverseLastDirection = "north";
                
            }
            if (lastDirection == "west")
            {
                reverseLastDirection = "east";
                
            }
            Command backCommand = new Command ("go", reverseLastDirection);
            goRoom(backCommand);
           }


       
           


/*private void getItemDescription(Item item)
    {
        item.getItemDescription(item);
    }
    
    private void getItemWeight(Item item)
    {
        item.getItemWeight(item);
    }*/
}

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