Module shakmaty::attacks

Attack and ray tables.

Example

use shakmaty::{attacks, Rank, Square, Bitboard};

let occupied = Bitboard::from(Rank::Sixth); // blocking pieces
let attacks = attacks::bishop_attacks(Square::C2, occupied);
// . . . . . . . .
// . . . . . . . .
// 0 0 0 0 0 0 1 0
// . . . . . 1 . .
// 1 . . . 1 . . .
// . 1 . 1 . . . .
// . . . . . . . .
// . 1 . 1 . . . .

assert!(attacks.contains(Square::G6));
assert!(!attacks.contains(Square::H7));

Functions

• aligned
  Tests if all three squares are aligned on a rank, file or diagonal.
• attacks
  Looks up attacks for piece on sq with occupied squares.
• between
  The squares between the two squares (bounds not included), or an empty Bitboard if they are not on the same rank, file or diagonal.
• bishop_attacks
  Looks up attacks for a bishop on sq with occupied squares.
• bishop_mask
  Gets the set of potential blocking squares for a bishop on sq.
• king_attacks
  Looks up attacks for a king on sq.
• knight_attacks
  Looks up attacks for a knight on sq.
• pawn_attacks
  Looks up attacks for a pawn of color on sq.
• queen_attacks
  Looks up attacks for a queen on sq with occupied squares.
• ray
  The rank, file or diagonal with the two squares (or an empty Bitboard if they are not aligned).
• rook_attacks
  Looks up attacks for a rook on sq with occupied squares.
• rook_mask
  Gets the set of potential blocking squares for a rook on sq.