Class ScoreDiffMancalaNode

java.lang.Object

GameNode

MancalaNode

ScoreDiffMancalaNode

All Implemented Interfaces:

java.lang.Cloneable

public class ScoreDiffMancalaNode
extends MancalaNode

An extension of MancalaNode with a simple, score-difference utility evaluation function.

Field Summary

Fields inherited from class MancalaNode

INIT_PIECES_PER_PIT, MAX_SCORE_PIT, MIN_SCORE_PIT, NUM_PIECES, PLAY_PITS, state, TOTAL_PITS

Fields inherited from class GameNode

MAX, MIN, parent, player, prevMove, UNDEFINED_MOVE

Constructor Summary

Constructors

Constructor and Description
ScoreDiffMancalaNode() See corresponding MancalaNode standard constructor documentation.
ScoreDiffMancalaNode(int stateIndex) See corresponding MancalaNode FairKalah constructor documentation.
ScoreDiffMancalaNode(MancalaNode node) See corresponding MancalaNode copy constructor documentation.

Method Summary

Modifier and Type	Method and Description
double	utility() Return the difference between current MAX and MIN score.

Methods inherited from class MancalaNode

clone, expand, gameOver, getLegalMoves, makeMove, moveToString, toString

Methods inherited from class GameNode

childClone, getPlayer

Methods inherited from class java.lang.Object

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

Constructor Detail

ScoreDiffMancalaNode

public ScoreDiffMancalaNode()

See corresponding MancalaNode standard constructor documentation.

ScoreDiffMancalaNode

public ScoreDiffMancalaNode(MancalaNode node)

See corresponding MancalaNode copy constructor documentation.

Parameters:

node - node to be copied

ScoreDiffMancalaNode

public ScoreDiffMancalaNode(int stateIndex)

See corresponding MancalaNode FairKalah constructor documentation.

Parameters:

stateIndex - FairKalah initial state index

Method Detail

utility

public double utility()

Return the difference between current MAX and MIN score.

Specified by:

utility in class MancalaNode

Returns:

double an estimation of game node utility, unless game is over. If game is over, return actual utility.