com.anji.ttt
Interface Board

All Known Implementing Classes:

GomokuBoard, TttBoard

public interface Board

Abstracts the common elements of the playing area of a game, such as Tic-Tac-Toe or Checkers. The board is "squashed" into a 1-dimensional array of integers, referenced as the board state. Positions containing friendly pieces have value 1, opponent pieces -1, and empty spaces 0.

Author:

Derek James

Method Summary

boolean	checkForTie()
boolean	checkForWin()
boolean	checkLegalMove(int newMove)
java.lang.String	displayBoard()
int	getBoardSize()
int[]	getBoardState()
void	initializeBoard() set up board to initial state before game has started
void	swap() swap all friendly pieces for opponent and vice versa
void	updateBoard(int newMove) updates board state such that position newMove will now equal 1

Method Detail

getBoardSize

int getBoardSize()

Returns:

number of spaces in a single row or column

initializeBoard

void initializeBoard()

set up board to initial state before game has started

checkLegalMove

boolean checkLegalMove(int newMove)

Parameters:

newMove - position in which to place next move

Returns:

false if newMove would create an invalid board state, true otherwise

updateBoard

void updateBoard(int newMove)

updates board state such that position newMove will now equal 1

Parameters:

newMove - position in which to place next move; must be between >= 0 and < size of board

checkForWin

boolean checkForWin()

Returns:

boolean true if state of board represents a win for friendly pieces (those with value 1), false otherwise

checkForTie

boolean checkForTie()

Returns:

true if state of board represents a tie, false otherwise

displayBoard

java.lang.String displayBoard()

Returns:

string representation of board

getBoardState

int[] getBoardState()

Returns:

int[] representation of board; friendly pieces are 1, opponent -1, empty spaces 0

swap

void swap()

swap all friendly pieces for opponent and vice versa