Struct shuuro::position::Position

pub struct Position {
    pub type_bb: [BitBoard; 7],
    // some fields omitted
}

Represents a state of the game

Fields

type_bb: [BitBoard; 7]

Implementations

impl Position

pub fn new() -> Position

Creates a new instance of Position with an empty board.

pub fn piece_at(&self, sq: Square) -> &Option<Piece>

Returns a piece at the given square.

pub fn player_bb(&self, c: Color) -> &BitBoard

Returns a bitboard containing pieces of the given player.

pub fn hand(&self, p: Piece) -> u8

Returns the number of the given piece in hand.

pub fn side_to_move(&self) -> Color

Returns the side to make a move next.

pub fn ply(&self) -> u16

Returns the number of plies already completed by the current state.

pub fn move_history(&self) -> &[MoveRecord]

Returns a history of all moves made since the beginning of the game.

pub fn outcome(&self) -> &Outcome

pub fn legal_moves(&self, square: &Square) -> BitBoard

Returns all legal moves where piece can be moved.

pub fn pinned_bb(&self, c: Color) -> BitBoard

Returns a BitBoard of all squares at which a piece of the given color is pinned.

pub fn in_check(&self, c: Color) -> bool

Checks if the king with the given color is in check.

pub fn is_checkmate(&self, color: &Color) -> bool

Checks if given color is in checkmate.

pub fn make_move(&mut self, m: Move) -> Result<Outcome, MoveError>

Makes the given move. Returns Err if the move is invalid or any special condition is met.

pub fn is_stalemate(&self, color: &Color) -> Result<(), MoveError>

pub fn detect_insufficient_material(&self) -> Result<(), MoveError>

Detecting insufficient material.

pub fn unmake_move(&mut self) -> Result<(), MoveError>

Undoes the last move.

pub fn move_candidates(
    &self,
    sq: Square,
    p: Piece,
    move_list: MoveType
) -> BitBoard

Returns a list of squares to where the given piece at the given square can move.

pub fn play(&mut self, from: &str, to: &str) -> Result<&Outcome, SfenError>

pub fn set_sfen(&mut self, sfen_str: &str) -> Result<(), SfenError>

Parses the given SFEN string and updates the game state.

pub fn set_sfen_history(&mut self, history: Vec<(String, u16)>)

pub fn to_sfen(&self) -> String

Converts the current state into SFEN formatted string.

pub fn generate_sfen(&self) -> String

pub fn set_hand(&mut self, s: &str)

Hand from shop is recommended to call this function.

pub fn get_hand(&mut self, c: Color) -> String

Get hand for specific color (in order K..P).

pub fn empty_squares(&self, p: Piece) -> BitBoard

Available squares for selected piece.

pub fn is_hand_empty(&self, c: &Color, excluded: PieceType) -> bool

Returns true if hand with excluded piece is empty.

pub fn place(&mut self, p: Piece, sq: Square)

Placing piece on square.

pub fn generate_plinths(&mut self)

Generating random plinths.

Trait Implementations

impl Debug for Position

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for Position

fn default() -> Position

Returns the “default value” for a type.

impl Display for Position

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.