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game with main

By: ace on Sep 22nd, 2010 | syntax: None | size: 18.73 KB | hits: 12 | expires: Never

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import java.util.HashMap;
import java.util.Random;
import java.util.Collection;
import java.util.Set;
 
/**
 *  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 String lastDirection;
    private HashMap<String,Room> rooms;
    private Player player;
    private int numberOfMoves;
    private Room lastRoom;
    private Random tPort;
    private HashMap<String,Character> characters;   
    /**
     * Create the game and initialise its internal map.
     */
    
    public static void main(String[] args)
{
    Game game = new Game();
   
}
    
    
    
    public Game() 
    {
        
        parser = new Parser();
        rooms = new HashMap<String, Room>();
        characters = new HashMap<String, Character>();
        player = new Player();
        createRooms();
        numberOfMoves = 0;
       tPort = new Random();
       
        
        
    }
    
   
 
    /**
     * Create all the rooms and link their exits together.
     */
    private void createRooms()
    {
        Room outside, galleria, theatre, pub, store, office, closet;
      
        // 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");
        closet = new Room ("in a closet");
        //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);
        rooms.put("closet", closet);
        
        // 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);
        galleria.setExit("south", closet);
        store.setExit ("north", pub);
        store.setExit("west", galleria);
        closet.setExit("north", galleria);
        
        createItems();
        player.setCurrentRoom(outside);  // start game outside
        lastDirection = null;
        createCharacters();
        
 
        
    }
    
    private void createItems()
    {
       Item tickingBomb, popcornMachine, beerTap, beer, key;
        
        // create the items
        tickingBomb = new Item(1, "a ticking bomb", "bomb");
        popcornMachine = new Item(4, "a popcorn machine", "popcornmachine");
        key = new Item(0, "a key", "key");
        beerTap  = new Item (3, "a beer tap", "beertap");
        rooms.get("pub").setItems(tickingBomb);
        rooms.get("pub").setItems(popcornMachine);
        rooms.get("pub").setItems(beerTap);
        rooms.get("office").setItems(key);
     }
     
     
     /* create charcters and populater hashmap characters*/
     
      private void createCharacters()
    {
       Character littleBoy, bartender, shopper, distraughtMother, partyGuy;
        
        // create the items
        littleBoy = new Character("littleBoy", "tommy"); 
        bartender = new Character("bartender", "michael");
        shopper = new Character("shopper", "julie");
        distraughtMother = new Character("distraughtmother", "emily");
        partyGuy = new MobileCharacter("partyGuy", "bob", "west");
              
        littleBoy.setCurrentRoom(rooms.get("store"));
        bartender.setCurrentRoom(rooms.get("pub"));
        shopper.setCurrentRoom(rooms.get("store"));
        distraughtMother.setCurrentRoom(rooms.get("theatre"));
        partyGuy.setCurrentRoom(rooms.get("pub"));
        
        characters.put("littleboy", littleBoy);
        characters.put("bartender", bartender);
        characters.put("shopper", shopper);
        characters.put("distraughtmother", distraughtMother);
        characters.put("partyGuy", partyGuy);
        
        
     }
     
 
private void printLocationInfo()
{
System.out.println ("You are " + player.getCurrentRoom().getLongDescription() + characterInfo());
 
}
    
    
    
    /**
     *  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(numberOfMoves == 20)
            {
                System.out.println("the bomb has detonated destoying the mall! You have failed.");
                return true;
            }
        
            
        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"))
            wantToQuit = defuse(command);
        else if(commandWord.equals ("back"))
            back();
        else if (commandWord.equals ("take"))
            take(command);
        else if (commandWord.equals("drop"))
            drop (command);
        else if (commandWord.equals("inventory"))
            inventory();
       else if (commandWord.equals("pour"))
          pour(command);
       else if (commandWord.equals("drink"))
          drink(command);
      else if (commandWord.equals("rescue"))
        rescue(command);
             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. ");
        System.out.println("You wander around at the mall.");
        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 = player.getCurrentRoom().getExit(direction);
       
        
    
        if (nextRoom == null)
           { 
               System.out.println("There is no door!");
            }
      else if ((nextRoom == rooms.get("office")) && (player.getCurrentRoom() == rooms.get("galleria")))
            {
                System.out.println ("That door is locked");
                printLocationInfo();
            }
            
       else   if (nextRoom == rooms.get("closet")) 
            {
                tPort();
                printLocationInfo();
                incrementMoves();
                moveCharacter();
            }
            
            else
            {
            incrementMoves();
            lastDirection = direction;
            player.setLastRoom(player.getCurrentRoom());
            player.setCurrentRoom(nextRoom);
            System.out.println (" end of line");
            printLocationInfo();
            moveCharacter();
            
        }
    
    }
    
    private boolean defuse(Command command)
        {
           if(!command.hasSecondWord())
            {
                System.out.println("defuse what?");
                return false;
                
            }
            
            if (player.checkInventory().equals ("a ticking bomb"))
                {
                    System.out.println ("you have defused the bomb");
                    System.out.println ("You have saved the mall! You are commended for bravery.");
                    return true;
                }
        else
            {
                System.out.println("You cannot defuse that!");
               return false;
            }
            
        }
 
    private void look()
{
    System.out.println ("" + player.getCurrentRoom().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 = "";
           System.out.println("" + lastDirection);
           
           if(lastDirection.equals ("north"))
           
           {
           reverseLastDirection = "south";
           
        }
           if(lastDirection.equals("east"))
           {
               reverseLastDirection = "west";
              
            }
            if (lastDirection.equals("south"))
            {
                reverseLastDirection = "north";
                
            }
            if (lastDirection.equals("west"))
            {
                reverseLastDirection = "east";
                
            }
            System.out.println("" + reverseLastDirection);
            Command backCommand = new Command ("go", reverseLastDirection);
            goRoom(backCommand);
           }
 
 
       private void take(Command command) 
    {
     
        if(!command.hasSecondWord()) {
            // if there is no second word, we don't know what to pick up...
            System.out.println("Take what?");
            return;
        }
 
        String itemName = command.getSecondWord();
            
             // take item
          String result = player.takeItem(itemName);
          System.out.println(result);
            
          
         
        }
        
        private void drop(Command command)
        {
            if(!command.hasSecondWord())
                {
                    System.out.println ("Drop what?");
                    
                }
                String itemName = command.getSecondWord();
                player.dropItem(itemName);
                System.out.println ("you have dropped " + itemName);
                
            }
        
            
       private void inventory()
       {
           
           System.out.println(player.checkInventory());
        }
        
      private void pour(Command command)
        {
            if(!command.hasSecondWord())
                {
                    System.out.println ("Pour what?");
                    
                }
                else
                {
                if (command.getSecondWord().equals("beer") && 
                player.getCurrentRoom().itemTest("beertap") == true)
                {
                    System.out.println ("you pull the beer tap");
                    Item beer = new Item (1, "a beer", "beer");
                    player.getCurrentRoom().setItems(beer);
                }
            else
            {
                System.out.println("You cannot pour that.");
            }
        }
    }
                
      private void drink(Command command)
      {
          if(!command.hasSecondWord())
            {
                System.out.println("Drink what?");
            }
            
            else
            {
                if (command.getSecondWord().equals("beer") &&
                player.getCurrentRoom().itemTest("beer") == true)
                    {
                        System.out.println("you drink a beer.");
                        player.increaseStrength(1);
                    }
                }
            }
        
      private void incrementMoves()
      {
          numberOfMoves = numberOfMoves +1;
        }
      
      private void tPort()
        {
            int i = tPort.nextInt(6);
            System.out.println ("you have been teleported.");
            System.out.println ("" + i);
            if(i == 0)
                {
                    System.out.println("you have been teleported to the outside.");
                    player.setCurrentRoom(rooms.get("outside"));
                }
            else if(i == 1)
                {
                   System.out.println("you have been teleported to the pub.");
                   player.setCurrentRoom(rooms.get("pub"));
                }
           else if(i == 2)
                {
                    System.out.println("you have been teleported to the theatre");
                    player.setCurrentRoom(rooms.get("theatre"));
                }
          else  if(i == 3)
                {
                    System.out.println("you have been teleported to the office.");
                    player.setCurrentRoom(rooms.get("office"));
                }
            else if(i == 4)
                {
                    System.out.println("you have been teleported to the store.");
                    player.setCurrentRoom(rooms.get("store"));
                }
          else  if(i == 5)
                {
                    System.out.println("you have been teleported to the galleria.");
                    player.setCurrentRoom(rooms.get("galleria"));
                } 
              
            else
                {
                    System.out.println("you have reached the else statement.");
                    printLocationInfo();
                    player.setCurrentRoom(rooms.get("closet"));
              
                }
            }
      
       private void rescue(Command command) 
       {
              
            if(!command.hasSecondWord()) 
            {
            // if there is no second word, we don't know where to go...
                System.out.println("Rescue who?");
                return;
            }
 
            else
            {
       
                String characterID = command.getSecondWord();
        
                if(characters.get(characterID).getCurrentRoom() == null)
                {
                System.out.println("They are not here!");
                }
      
        
                else 
                {
                    if(characters.get(characterID).getCurrentRoom() == player.getCurrentRoom())
                    {
                        characters.get(characterID).setCurrentRoom(rooms.get("outside"));
                        System.out.println (("you have saved ") + characterID + (" !"));
                    }
        
                else
                {
                    System.out.println("They are not here!");
                }
            }
}
        
}       
        
      //returns the values - character objects - from the hashmap of characters
      
      private Collection <Character> characterCollection()
        {
           Collection <Character> characterValues = characters.values();
           return characterValues;
            //return characters.values();
        }
       
       private String characterInfo()
       {
           
           String s = ("There is ");
           for (Character character : characterCollection())
           {
              
               
               if (character.getCurrentRoom() == player.getCurrentRoom())
               {
                  s = s + character.getCharacterDescription() + ("\n");
                }
            }   
              return s;
            } 
              
     private void moveCharacter ()
     {
        // MobileCharacter mobileCharacter, Room room, String direction
       MobileCharacter bob = (MobileCharacter) characters.get("partyGuy");
       Room room = bob.getCurrentRoom();
       String direction = bob.getDirection();
       Room nextRoom = bob.getCurrentRoom().getExit(direction);
       Set<String> exitSet = room.exitSet();
        for(String s : exitSet){
       
       if(s.equals(direction))
        {
            bob.setCurrentRoom(nextRoom);
            System.out.println("bob is in " + bob.getCurrentRoom().getDescription());
            
        }
       else
       {
           bob.changeDirection();
           System.out.println("bob's direction is " + bob.getDirection());
        }
    
    }
}
}

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import java.util.HashMap;
import java.util.Random;
import java.util.Collection;
import java.util.Set;

/**
 *  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 String lastDirection;
    private HashMap<String,Room> rooms;
    private Player player;
    private int numberOfMoves;
    private Room lastRoom;
    private Random tPort;
    private HashMap<String,Character> characters;   
    /**
     * Create the game and initialise its internal map.
     */
    
    public static void main(String[] args)
{
    Game game = new Game();
   
}
    
    
    
    public Game() 
    {
        
        parser = new Parser();
        rooms = new HashMap<String, Room>();
        characters = new HashMap<String, Character>();
        player = new Player();
        createRooms();
        numberOfMoves = 0;
       tPort = new Random();
       
        
        
    }
    
   

    /**
     * Create all the rooms and link their exits together.
     */
    private void createRooms()
    {
        Room outside, galleria, theatre, pub, store, office, closet;
      
        // 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");
        closet = new Room ("in a closet");
        //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);
        rooms.put("closet", closet);
        
        // 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);
        galleria.setExit("south", closet);
        store.setExit ("north", pub);
        store.setExit("west", galleria);
        closet.setExit("north", galleria);
        
        createItems();
        player.setCurrentRoom(outside);  // start game outside
        lastDirection = null;
        createCharacters();
        

        
    }
    
    private void createItems()
    {
       Item tickingBomb, popcornMachine, beerTap, beer, key;
        
        // create the items
        tickingBomb = new Item(1, "a ticking bomb", "bomb");
        popcornMachine = new Item(4, "a popcorn machine", "popcornmachine");
        key = new Item(0, "a key", "key");
        beerTap  = new Item (3, "a beer tap", "beertap");
        rooms.get("pub").setItems(tickingBomb);
        rooms.get("pub").setItems(popcornMachine);
        rooms.get("pub").setItems(beerTap);
        rooms.get("office").setItems(key);
     }
     
     
     /* create charcters and populater hashmap characters*/
     
      private void createCharacters()
    {
       Character littleBoy, bartender, shopper, distraughtMother, partyGuy;
        
        // create the items
        littleBoy = new Character("littleBoy", "tommy"); 
        bartender = new Character("bartender", "michael");
        shopper = new Character("shopper", "julie");
        distraughtMother = new Character("distraughtmother", "emily");
        partyGuy = new MobileCharacter("partyGuy", "bob", "west");
              
        littleBoy.setCurrentRoom(rooms.get("store"));
        bartender.setCurrentRoom(rooms.get("pub"));
        shopper.setCurrentRoom(rooms.get("store"));
        distraughtMother.setCurrentRoom(rooms.get("theatre"));
        partyGuy.setCurrentRoom(rooms.get("pub"));
        
        characters.put("littleboy", littleBoy);
        characters.put("bartender", bartender);
        characters.put("shopper", shopper);
        characters.put("distraughtmother", distraughtMother);
        characters.put("partyGuy", partyGuy);
        
        
     }
     

private void printLocationInfo()
{
System.out.println ("You are " + player.getCurrentRoom().getLongDescription() + characterInfo());

}
    
    
    
    /**
     *  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(numberOfMoves == 20)
            {
                System.out.println("the bomb has detonated destoying the mall! You have failed.");
                return true;
            }
        
            
        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"))
            wantToQuit = defuse(command);
        else if(commandWord.equals ("back"))
            back();
        else if (commandWord.equals ("take"))
            take(command);
        else if (commandWord.equals("drop"))
            drop (command);
        else if (commandWord.equals("inventory"))
            inventory();
       else if (commandWord.equals("pour"))
          pour(command);
       else if (commandWord.equals("drink"))
          drink(command);
      else if (commandWord.equals("rescue"))
        rescue(command);
             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. ");
        System.out.println("You wander around at the mall.");
        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 = player.getCurrentRoom().getExit(direction);
       
        
    
        if (nextRoom == null)
           { 
               System.out.println("There is no door!");
            }
      else if ((nextRoom == rooms.get("office")) && (player.getCurrentRoom() == rooms.get("galleria")))
            {
                System.out.println ("That door is locked");
                printLocationInfo();
            }
            
       else   if (nextRoom == rooms.get("closet")) 
            {
                tPort();
                printLocationInfo();
                incrementMoves();
                moveCharacter();
            }
            
            else
            {
            incrementMoves();
            lastDirection = direction;
            player.setLastRoom(player.getCurrentRoom());
            player.setCurrentRoom(nextRoom);
            System.out.println (" end of line");
            printLocationInfo();
            moveCharacter();
            
        }
    
    }
    
    private boolean defuse(Command command)
        {
           if(!command.hasSecondWord())
            {
                System.out.println("defuse what?");
                return false;
                
            }
            
            if (player.checkInventory().equals ("a ticking bomb"))
                {
                    System.out.println ("you have defused the bomb");
                    System.out.println ("You have saved the mall! You are commended for bravery.");
                    return true;
                }
        else
            {
                System.out.println("You cannot defuse that!");
               return false;
            }
            
        }

    private void look()
{
    System.out.println ("" + player.getCurrentRoom().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 = "";
           System.out.println("" + lastDirection);
           
           if(lastDirection.equals ("north"))
           
           {
           reverseLastDirection = "south";
           
        }
           if(lastDirection.equals("east"))
           {
               reverseLastDirection = "west";
              
            }
            if (lastDirection.equals("south"))
            {
                reverseLastDirection = "north";
                
            }
            if (lastDirection.equals("west"))
            {
                reverseLastDirection = "east";
                
            }
            System.out.println("" + reverseLastDirection);
            Command backCommand = new Command ("go", reverseLastDirection);
            goRoom(backCommand);
           }


       private void take(Command command) 
    {
     
        if(!command.hasSecondWord()) {
            // if there is no second word, we don't know what to pick up...
            System.out.println("Take what?");
            return;
        }

        String itemName = command.getSecondWord();
            
             // take item
          String result = player.takeItem(itemName);
          System.out.println(result);
            
          
         
        }
        
        private void drop(Command command)
        {
            if(!command.hasSecondWord())
                {
                    System.out.println ("Drop what?");
                    
                }
                String itemName = command.getSecondWord();
                player.dropItem(itemName);
                System.out.println ("you have dropped " + itemName);
                
            }
        
            
       private void inventory()
       {
           
           System.out.println(player.checkInventory());
        }
        
      private void pour(Command command)
        {
            if(!command.hasSecondWord())
                {
                    System.out.println ("Pour what?");
                    
                }
                else
                {
                if (command.getSecondWord().equals("beer") && 
                player.getCurrentRoom().itemTest("beertap") == true)
                {
                    System.out.println ("you pull the beer tap");
                    Item beer = new Item (1, "a beer", "beer");
                    player.getCurrentRoom().setItems(beer);
                }
            else
            {
                System.out.println("You cannot pour that.");
            }
        }
    }
                
      private void drink(Command command)
      {
          if(!command.hasSecondWord())
            {
                System.out.println("Drink what?");
            }
            
            else
            {
                if (command.getSecondWord().equals("beer") &&
                player.getCurrentRoom().itemTest("beer") == true)
                    {
                        System.out.println("you drink a beer.");
                        player.increaseStrength(1);
                    }
                }
            }
        
      private void incrementMoves()
      {
          numberOfMoves = numberOfMoves +1;
        }
      
      private void tPort()
        {
            int i = tPort.nextInt(6);
            System.out.println ("you have been teleported.");
            System.out.println ("" + i);
            if(i == 0)
                {
                    System.out.println("you have been teleported to the outside.");
                    player.setCurrentRoom(rooms.get("outside"));
                }
            else if(i == 1)
                {
                   System.out.println("you have been teleported to the pub.");
                   player.setCurrentRoom(rooms.get("pub"));
                }
           else if(i == 2)
                {
                    System.out.println("you have been teleported to the theatre");
                    player.setCurrentRoom(rooms.get("theatre"));
                }
          else  if(i == 3)
                {
                    System.out.println("you have been teleported to the office.");
                    player.setCurrentRoom(rooms.get("office"));
                }
            else if(i == 4)
                {
                    System.out.println("you have been teleported to the store.");
                    player.setCurrentRoom(rooms.get("store"));
                }
          else  if(i == 5)
                {
                    System.out.println("you have been teleported to the galleria.");
                    player.setCurrentRoom(rooms.get("galleria"));
                } 
              
            else
                {
                    System.out.println("you have reached the else statement.");
                    printLocationInfo();
                    player.setCurrentRoom(rooms.get("closet"));
              
                }
            }
      
       private void rescue(Command command) 
       {
              
            if(!command.hasSecondWord()) 
            {
            // if there is no second word, we don't know where to go...
                System.out.println("Rescue who?");
                return;
            }

            else
            {
       
                String characterID = command.getSecondWord();
        
                if(characters.get(characterID).getCurrentRoom() == null)
                {
                System.out.println("They are not here!");
                }
      
        
                else 
                {
                    if(characters.get(characterID).getCurrentRoom() == player.getCurrentRoom())
                    {
                        characters.get(characterID).setCurrentRoom(rooms.get("outside"));
                        System.out.println (("you have saved ") + characterID + (" !"));
                    }
        
                else
                {
                    System.out.println("They are not here!");
                }
            }
}
        
}       
        
      //returns the values - character objects - from the hashmap of characters
      
      private Collection <Character> characterCollection()
        {
           Collection <Character> characterValues = characters.values();
           return characterValues;
            //return characters.values();
        }
       
       private String characterInfo()
       {
           
           String s = ("There is ");
           for (Character character : characterCollection())
           {
              
               
               if (character.getCurrentRoom() == player.getCurrentRoom())
               {
                  s = s + character.getCharacterDescription() + ("\n");
                }
            }   
              return s;
            } 
              
     private void moveCharacter ()
     {
        // MobileCharacter mobileCharacter, Room room, String direction
       MobileCharacter bob = (MobileCharacter) characters.get("partyGuy");
       Room room = bob.getCurrentRoom();
       String direction = bob.getDirection();
       Room nextRoom = bob.getCurrentRoom().getExit(direction);
       Set<String> exitSet = room.exitSet();
        for(String s : exitSet){
       
       if(s.equals(direction))
        {
            bob.setCurrentRoom(nextRoom);
            System.out.println("bob is in " + bob.getCurrentRoom().getDescription());
            
        }
       else
       {
           bob.changeDirection();
           System.out.println("bob's direction is " + bob.getDirection());
        }
    
    }
}
}

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