battleship.java

proxy server for caching and packet filtering final project

/**
 * Details of the current game
 */
public class Battleship{                               
  /**
   * Computer's ship board
   */
  private ShipBoard comp;                    
  /**
   * User's guess board
   */
  private GuessBoard user;                   
  /**
   * Status of the game : true when user has won
   */
  private boolean win;                       
  /**
   * Initialize the game. Places computer's ships randomly on the board.
   */
  Battleship(){                                   
    win=false;
    user = new GuessBoard();
    comp = new ShipBoard(); //for placing computer's ships randomly
  }
  /**
   * Get the results of user's guess.
   * @param l Location to be queried
   * @return 1 if location l has not been guessed; 2 if location l was a hit; 3 if location l was a miss
   */
  public int guessStatus(Location l){            
    if (user.isNew(l)) return 1;                 //not guessed so far
    if (user.wasHit(l)) return 2;                //guessed and was a hit
    return 3;                                    //guessed and was a miss
  }   
  /**
   * Carry out the user's guess, by modifying the shipBoard and guessBoard
   * @param l Location that the user guesses
   * @return index of the ship (in computer's shipBoard) that is hit. Returns 5 if no ship is hit.
   */
  public int userGuess(Location l){  //carries out the user's guess, returns ship number hit (if any)
    int res=5;                       //no ship hit
    boolean strike=false;
    for(int i=0;i<5;i++)
      if(comp.hitShip(l,i)){ 
      res=i;
      strike=true;
    }
    user.markGuess(l,strike);        //mark result of this guess in user's guess board
    win=comp.isDestroyed();          //check if computer's ships are all destroyed
    return res;
    }
  /**
   * @return An array containing the status (number of holes hit) of computer's ships
   */
  public int[] compStat(){          //get status of computer's ships - for display
    return comp.getFleetStat();
  }
  /**
   * @return The number of guesses made by user
   */
  public int numUserGuess(){
    return user.numGuesses();
  }
  /**
   * @return True if user has finished the game
   */
  public boolean win(){
    return win;
  }
};