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get exit string game class

By: ace on Apr 15th, 2010 | syntax: None | size: 7.22 KB | hits: 4 | expires: Never

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/**
 *  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 Organ currentOrgan;
    private int energy;
    private int strength;
    private int encumberance;
    private int carriedWeight;
    
        
    /**
     * Create the game and initialise its internal map.
     */
    public Game() 
    {
        createOrgans();
        createItems();
        parser = new Parser();
        energy = 3;
        strength = 3;
        encumberance = 0;
        carriedWeight = 0;
    }
 
    /**
     * Create all the rooms and link their exits together.
     */
    private void createOrgans()
    {
        Organ circulatorySystem, respitorySystem, upperGI, lowerGI, sinuses;
      
        // create the rooms
        circulatorySystem = new Organ("in the circulatory system");
        respitorySystem = new Organ("int the respitory system");
        upperGI = new Organ("in the upper GI");
        lowerGI = new Organ("in the lower GI");
        sinuses = new Organ("in the sinuses");
        // set organ exits
        circulatorySystem.setExit("anterior", respitorySystem);
        circulatorySystem.setExit ("posterior", upperGI);
        respitorySystem.setExit ("anterior", sinuses);
        respitorySystem.setExit ("posterior", circulatorySystem );
        upperGI.setExit ("anterior", circulatorySystem );
        upperGI.setExit ("posterior", lowerGI );
        lowerGI.setExit ("anterior", upperGI);
        sinuses.setExit ("posterior", respitorySystem);
        currentOrgan = circulatorySystem;  // start game outside
    }
    
    /**
     * creates items
     */
    private void createItems()
    {
       Item tCell, antibody;
        tCell = new Item("A T-cell", 2);
        antibody = new Item (" An Antibody", 1);
    }
    
    /**
     *  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"))
            goOrgan(command);
         else if (commandWord.equals("look"))
            look();
          else if (commandWord.equals("eat"))
            eat();
          else if (commandWord.equals ("energy"))
            energyLevel();
            else if (commandWord.equals("quit"))
         
            wantToQuit = quit(command);
 
        return wantToQuit;
    }
 
    // a command to look around the room
    private void look()
        {
            System.out.println(currentOrgan.getLongDescription());
        }
    // 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());
    }
 
    // eat glucose to power up 
    
    private void eat()
        {
            if (currentOrgan.getGlucoseLevel() > 0)
                {
                    energy += 1;
                    currentOrgan.resetGlucoseLevel();
                    System.out.println ("you have eaten 1 glucose.");
                }
            else
                {
                    System.out.println("there is nothing to eat.");
                }
        }
        
        private void energyLevel()
            {
                System.out.println ("energy level " + energy);
            }
    /** 
     * Try to go to one direction. If there is an exit, enter
     * the new room, otherwise print an error message.
     */
    private void goOrgan(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.
        
        Organ nextOrgan = currentOrgan.getExit (direction);
         
        if (nextOrgan == null)
            System.out.println("There is no door!");
        else 
        {
            currentOrgan = nextOrgan;
            currentOrgan.generateGlucose();
             printLocationInfo();
            
        }
    }
 
    /** 
     * "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 printLocationInfo()
    {
        System.out.println (currentOrgan.getLongDescription());
        
    }
    
    public int get strength()
        {
            return strength;
        }
    
    public int getEncumberance()
        {
            return encumberance;
        }
        
        public int getCarriedWeight()
            {
                return carriedWeight;
            }
    
}

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/**
 *  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 Organ currentOrgan;
    private int energy;
    private int strength;
    private int encumberance;
    private int carriedWeight;
    
        
    /**
     * Create the game and initialise its internal map.
     */
    public Game() 
    {
        createOrgans();
        createItems();
        parser = new Parser();
        energy = 3;
        strength = 3;
        encumberance = 0;
        carriedWeight = 0;
    }

    /**
     * Create all the rooms and link their exits together.
     */
    private void createOrgans()
    {
        Organ circulatorySystem, respitorySystem, upperGI, lowerGI, sinuses;
      
        // create the rooms
        circulatorySystem = new Organ("in the circulatory system");
        respitorySystem = new Organ("int the respitory system");
        upperGI = new Organ("in the upper GI");
        lowerGI = new Organ("in the lower GI");
        sinuses = new Organ("in the sinuses");
        // set organ exits
        circulatorySystem.setExit("anterior", respitorySystem);
        circulatorySystem.setExit ("posterior", upperGI);
        respitorySystem.setExit ("anterior", sinuses);
        respitorySystem.setExit ("posterior", circulatorySystem );
        upperGI.setExit ("anterior", circulatorySystem );
        upperGI.setExit ("posterior", lowerGI );
        lowerGI.setExit ("anterior", upperGI);
        sinuses.setExit ("posterior", respitorySystem);
        currentOrgan = circulatorySystem;  // start game outside
    }
    
    /**
     * creates items
     */
    private void createItems()
    {
       Item tCell, antibody;
        tCell = new Item("A T-cell", 2);
        antibody = new Item (" An Antibody", 1);
    }
    
    /**
     *  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"))
            goOrgan(command);
         else if (commandWord.equals("look"))
            look();
          else if (commandWord.equals("eat"))
            eat();
          else if (commandWord.equals ("energy"))
            energyLevel();
            else if (commandWord.equals("quit"))
         
            wantToQuit = quit(command);

        return wantToQuit;
    }

    // a command to look around the room
    private void look()
        {
            System.out.println(currentOrgan.getLongDescription());
        }
    // 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());
    }

    // eat glucose to power up 
    
    private void eat()
        {
            if (currentOrgan.getGlucoseLevel() > 0)
                {
                    energy += 1;
                    currentOrgan.resetGlucoseLevel();
                    System.out.println ("you have eaten 1 glucose.");
                }
            else
                {
                    System.out.println("there is nothing to eat.");
                }
        }
        
        private void energyLevel()
            {
                System.out.println ("energy level " + energy);
            }
    /** 
     * Try to go to one direction. If there is an exit, enter
     * the new room, otherwise print an error message.
     */
    private void goOrgan(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.
        
        Organ nextOrgan = currentOrgan.getExit (direction);
         
        if (nextOrgan == null)
            System.out.println("There is no door!");
        else 
        {
            currentOrgan = nextOrgan;
            currentOrgan.generateGlucose();
             printLocationInfo();
            
        }
    }

    /** 
     * "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 printLocationInfo()
    {
        System.out.println (currentOrgan.getLongDescription());
        
    }
    
    public int get strength()
        {
            return strength;
        }
    
    public int getEncumberance()
        {
            return encumberance;
        }
        
        public int getCarriedWeight()
            {
                return carriedWeight;
            }
    
}

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