com.anji.gomoku
Class GomokuBoard

java.lang.Object
  com.anji.gomoku.GomokuBoard

All Implemented Interfaces:

Board

public class GomokuBoard
extends java.lang.Object
implements Board

Represents the playing area of Gomoku.

Author:

Derek James

Constructor Summary

GomokuBoard(int aSize)
Initialize board to be a square with each side of length aSize

Method Summary

boolean	checkForTie()
boolean	checkForWin()
boolean	checkLegalMove(int newMove) Return true if position newMove is empty, false otherwise.
java.lang.String	displayBoard()
int	getBoardSize()
int[]	getBoardState()
void	initializeBoard() initialize all positions to empty.
void	swap() swap all friendly pieces for opponent and vice versa
void	updateBoard(int newMove) Place friendly piece in position newMove in array boardState.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

GomokuBoard

public GomokuBoard(int aSize)

Initialize board to be a square with each side of length aSize

Parameters:

aSize -

Method Detail

getBoardSize

public int getBoardSize()

Specified by:

getBoardSize in interface Board

Returns:

number of spaces in a single row or column

See Also:

Board.getBoardSize()

initializeBoard

public void initializeBoard()

initialize all positions to empty.

Specified by:

initializeBoard in interface Board

See Also:

Board.initializeBoard()

checkLegalMove

public boolean checkLegalMove(int newMove)

Return true if position newMove is empty, false otherwise.

Specified by:

checkLegalMove in interface Board

Parameters:

newMove - position in which to place next move

Returns:

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

See Also:

Board.checkLegalMove(int)

updateBoard

public void updateBoard(int newMove)

Place friendly piece in position newMove in array boardState.

Specified by:

updateBoard in interface Board

Parameters:

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

See Also:

Board.updateBoard(int)

checkForWin

public boolean checkForWin()

Specified by:

checkForWin in interface Board

Returns:

boolean true if board contains 5 1s in a row, horizontal, vertical, or diagonal; false otherwise

See Also:

Board.checkForWin()

checkForTie

public boolean checkForTie()

Specified by:

checkForTie in interface Board

Returns:

boolean true if board contains no empty spaces

See Also:

Board.checkForTie()

displayBoard

public java.lang.String displayBoard()

Specified by:

displayBoard in interface Board

Returns:

string representation of board

See Also:

Board.displayBoard()

getBoardState

public int[] getBoardState()

Specified by:

getBoardState in interface Board

Returns:

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

See Also:

Board.getBoardState()

swap

public void swap()

Description copied from interface: Board

swap all friendly pieces for opponent and vice versa

Specified by:

swap in interface Board

See Also:

Board.swap()