aima.core.environment.connectfour

Class ConnectFourState

java.lang.Object

aima.core.environment.connectfour.ConnectFourState

All Implemented Interfaces:

java.lang.Cloneable

public class ConnectFourState
extends java.lang.Object
implements java.lang.Cloneable

A state of the Connect Four game is characterized by a board containing a grid of spaces for disks, the next player to move, and some utility informations. A win position for a player x is an empty space which turns a situation into a win situation for x if he is able to place a disk there.

Author:

Ruediger Lunde

Field Summary

Fields

Modifier and Type	Field and Description
int	winPositions1
int	winPositions2

Constructor Summary

Constructors

Constructor and Description
ConnectFourState(int rows, int cols)

Method Summary

Modifier and Type	Method and Description
int	analyzePotentialWinPositions(java.lang.Integer action)
ConnectFourState	clone()
void	dropDisk(int col)
boolean	equals(java.lang.Object obj)
int	getCols()
int	getMoves()
int	getPlayerNum(int row, int col)
int	getPlayerToMove()
int	getRows()
double	getUtility()
int	hashCode()
boolean	isWinMoveFor(int col, int playerNum)
boolean	isWinPositionFor(int row, int col, int playerNum)

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Field Detail

winPositions1

public int winPositions1

winPositions2

public int winPositions2

Constructor Detail

ConnectFourState

public ConnectFourState(int rows,
                        int cols)

Method Detail

getRows

public int getRows()

getCols

public int getCols()

getUtility

public double getUtility()

getPlayerNum

public int getPlayerNum(int row,
                        int col)

getPlayerToMove

public int getPlayerToMove()

getMoves

public int getMoves()

dropDisk

public void dropDisk(int col)

isWinMoveFor

public boolean isWinMoveFor(int col,
                            int playerNum)

isWinPositionFor

public boolean isWinPositionFor(int row,
                                int col,
                                int playerNum)

analyzePotentialWinPositions

public int analyzePotentialWinPositions(java.lang.Integer action)

clone

public ConnectFourState clone()

Overrides:

clone in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object