C# Class GR.Gambling.Backgammon.Board

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Public Methods

Method	Description
AddToPoint ( int player, int point, int count ) : void
Board ( ) : System
Board ( Board board ) : System	Deep-copy constructor.
BoardRelativeTo ( int player ) : int[]	Returns the board relative to the player, so that the slots 0-5 match the player's home board. Negative counts indicate opponents checkers.
CapturedCount ( int player ) : int
Clone ( ) : Board	Creates a deep-copy of this board.
DecreaseCaptured ( int player ) : void
DecreaseFinished ( int player ) : void
Deserialize ( string s ) : Board
Empty ( ) : void
EmptyPoint ( int player, int point ) : void
Equals ( Board board ) : bool
FinishedCount ( int player ) : int
ForcedMoves ( List legal_move_sequences ) : List	A move is a forced move if it must be made before other moves and every move hint share the same forced move.
HashString ( ) : string	Provides a unique hash string for each different board position.
IncreaseCaptured ( int player ) : void
IncreaseCaptured ( int player, int count ) : void
IncreaseFinished ( int player ) : void
IncreaseFinished ( int player, int count ) : void
InitializeBoard ( BackgammonVariation variation ) : void
IsBearoff ( int player ) : bool	Returns true if player's all chequers are on his home board and is bearing off.
IsLegal ( ) : bool
IsLegalMove ( int player, Move move, int die ) : bool	Returns if the given move for the given player is a valid move.
IsPureRace ( ) : bool	Returns true if both player's checkers have "passed" each others so that it's impossible to hit or block anymore. Source: http://www.bkgm.com/gloss/lookup.cgi?pure+race
IsStartingPosition ( BackgammonVariation variation ) : bool
LastChequer ( int player ) : int	Returns the point of the last chequer of the player from the player's perspective. Returns 24 for captured and -1 if all checkers have been bearoffed.
LegalPlays ( int player, int dice ) : List	This returns all the possible legal moves for the player with given dice. It sorts the dice from highest to lowest, so it produces same results regardless of the dice order. It also finds correctly moves according to following rules: "For any roll, if a player can move both dice, that player is compelled to do so. If it is possible to move either die, but not both, the higher number must be played. Further, if one die is unable to be moved, but such a move is made possible by the moving of the other die, that move is compulsory." Source: http://en.wikipedia.org/wiki/Backgammon
MakeMove ( int player, Move move ) : void	Applys a given move to this board. This method assumes the move is valid.
MakeMoves ( int player, IEnumerable moves ) : void
MakePlay ( int player, Play play ) : void
PipCount ( int player ) : int
PointCount ( int player, int point ) : int	Returns the count of this player's perspective. Count is negative if opponent has checkers on the given slot.
RemoveFromPoint ( int player, int point, int count ) : void
ResignationValue ( int player ) : ResignValue	Returns the current resign value for the player based on the last chequer's position.
Serialize ( Board board ) : string
SetCaptured ( int player, int count ) : void
SetFinished ( int player, int count ) : void
SetPoint ( int player, int point, int count ) : void	Sets the given slot to count from player's perspective.
ToString ( ) : string
ToString ( int player ) : string	Gnubg style rendering of the board from the perspective of player. X is always the player's checkers, O opponent's.
UndoMove ( int player, Move move ) : void	Reverses a given move that was made. Notice that if you are reversing a made move sequence, you need to do it in reverse order, that is, undo the last made move first, then the second last, and so on.
UndoPlay ( int player, Play play ) : void

Private Methods

Method	Description
Recursion ( int player, List free_dice, Board board, List moves_made, List &plays, List &partial_plays, HashSet &board_hash ) : void

Method Details

AddToPoint() public method

public AddToPoint ( int player, int point, int count ) : void
player	int
point	int
count	int
return	void

Board() public method

public Board ( ) : System
return	System

Board() public method

Deep-copy constructor.

public Board ( Board board ) : System
board	Board
return	System

BoardRelativeTo() public method

Returns the board relative to the player, so that the slots 0-5 match the player's home board. Negative counts indicate opponents checkers.

public BoardRelativeTo ( int player ) : int[]
player	int
return	int[]

CapturedCount() public method

public CapturedCount ( int player ) : int
player	int
return	int

Clone() public method

Creates a deep-copy of this board.

public Clone ( ) : Board
return	Board

DecreaseCaptured() public method

public DecreaseCaptured ( int player ) : void
player	int
return	void

DecreaseFinished() public method

public DecreaseFinished ( int player ) : void
player	int
return	void

Deserialize() public static method

public static Deserialize ( string s ) : Board
s	string
return	Board

Empty() public method

public Empty ( ) : void
return	void

EmptyPoint() public method

public EmptyPoint ( int player, int point ) : void
player	int
point	int
return	void

Equals() public method

public Equals ( Board board ) : bool
board	Board
return	bool

FinishedCount() public method

public FinishedCount ( int player ) : int
player	int
return	int

ForcedMoves() public static method

A move is a forced move if it must be made before other moves and every move hint share the same forced move.

public static ForcedMoves ( List legal_move_sequences ) : List
legal_move_sequences	List
return	List

HashString() public method

Provides a unique hash string for each different board position.

public HashString ( ) : string
return	string

IncreaseCaptured() public method

public IncreaseCaptured ( int player ) : void
player	int
return	void

IncreaseCaptured() public method

public IncreaseCaptured ( int player, int count ) : void
player	int
count	int
return	void

IncreaseFinished() public method

public IncreaseFinished ( int player ) : void
player	int
return	void

IncreaseFinished() public method

public IncreaseFinished ( int player, int count ) : void
player	int
count	int
return	void

InitializeBoard() public method

public InitializeBoard ( BackgammonVariation variation ) : void
variation	BackgammonVariation
return	void

IsBearoff() public method

Returns true if player's all chequers are on his home board and is bearing off.

public IsBearoff ( int player ) : bool
player	int
return	bool

IsLegal() public method

public IsLegal ( ) : bool
return	bool

IsLegalMove() public method

Returns if the given move for the given player is a valid move.

public IsLegalMove ( int player, Move move, int die ) : bool
player	int	The player for whom the move is made.
move	Move	The move to be made, slot indices must be relative to the player making the move.
die	int	The die with which the move is made.
return	bool

IsPureRace() public method

Returns true if both player's checkers have "passed" each others so that it's impossible to hit or block anymore. Source: http://www.bkgm.com/gloss/lookup.cgi?pure+race

public IsPureRace ( ) : bool
return	bool

IsStartingPosition() public method

public IsStartingPosition ( BackgammonVariation variation ) : bool
variation	BackgammonVariation
return	bool

LastChequer() public method

Returns the point of the last chequer of the player from the player's perspective. Returns 24 for captured and -1 if all checkers have been bearoffed.

public LastChequer ( int player ) : int
player	int
return	int

LegalPlays() public method

This returns all the possible legal moves for the player with given dice. It sorts the dice from highest to lowest, so it produces same results regardless of the dice order. It also finds correctly moves according to following rules: "For any roll, if a player can move both dice, that player is compelled to do so. If it is possible to move either die, but not both, the higher number must be played. Further, if one die is unable to be moved, but such a move is made possible by the moving of the other die, that move is compulsory." Source: http://en.wikipedia.org/wiki/Backgammon

public LegalPlays ( int player, int dice ) : List
player	int
dice	int
return	List

MakeMove() public method

Applys a given move to this board. This method assumes the move is valid.

public MakeMove ( int player, Move move ) : void
player	int
move	Move
return	void

MakeMoves() public method

public MakeMoves ( int player, IEnumerable moves ) : void
player	int
moves	IEnumerable
return	void

MakePlay() public method

public MakePlay ( int player, Play play ) : void
player	int
play	Play
return	void

PipCount() public method

public PipCount ( int player ) : int
player	int
return	int

PointCount() public method

Returns the count of this player's perspective. Count is negative if opponent has checkers on the given slot.

public PointCount ( int player, int point ) : int
player	int	Relative player from whos perspective the query is made.
point	int
return	int

RemoveFromPoint() public method

public RemoveFromPoint ( int player, int point, int count ) : void
player	int
point	int
count	int
return	void

ResignationValue() public method

Returns the current resign value for the player based on the last chequer's position.

public ResignationValue ( int player ) : ResignValue
player	int
return	ResignValue

Serialize() public static method

public static Serialize ( Board board ) : string
board	Board
return	string

SetCaptured() public method

public SetCaptured ( int player, int count ) : void
player	int
count	int
return	void

SetFinished() public method

public SetFinished ( int player, int count ) : void
player	int
count	int
return	void

SetPoint() public method

Sets the given slot to count from player's perspective.

public SetPoint ( int player, int point, int count ) : void
player	int	The player from whose perspective the slot is mapped.
point	int
count	int	Positive count is for the player, negative for the opponent. Zero count empties the slot for both players.
return	void

ToString() public method

public ToString ( ) : string
return	string

ToString() public method

Gnubg style rendering of the board from the perspective of player. X is always the player's checkers, O opponent's.

public ToString ( int player ) : string
player	int
return	string

UndoMove() public method

Reverses a given move that was made. Notice that if you are reversing a made move sequence, you need to do it in reverse order, that is, undo the last made move first, then the second last, and so on.

public UndoMove ( int player, Move move ) : void
player	int
move	Move
return	void

UndoPlay() public method

public UndoPlay ( int player, Play play ) : void
player	int
play	Play	The play in which moves are in the order they were applied to the board and not reversed.
return	void