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[board, position] Implement some methods to check for whether a king is in check

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Remove some dead code from Position.
This commit is contained in:
Eryn Wells 2025-05-23 09:57:48 -07:00
parent 0abe9b6c19
commit b8a51990a3
3 changed files with 50 additions and 17 deletions
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17
position/src/position/position.rs
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@ -122,23 +122,6 @@ impl Position {
self.moves().moves_for_piece(piece)
}
#[cfg(test)]
pub(crate) fn is_king_in_check(&self) -> bool {
let danger_squares = self.king_danger(self.player_to_move());
!(danger_squares & self.king_bitboard(self.player_to_move())).is_empty()
}
fn king_bitboard(&self, player: Color) -> BitBoard {
self.board.pieces.bitboard_for_piece(Piece::king(player))
}
pub(crate) fn king_square(&self, player: Color) -> Square {
self.king_bitboard(player)
.occupied_squares(&IterationDirection::default())
.next()
.unwrap()
}
pub(crate) fn checking_pieces(&self) -> CheckingPieces {
let opponent = self.player_to_move().other();
let king_square = self.king_square(self.player_to_move());