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[position] Remove the sight data from Position

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Eryn Wells 2024-02-05 14:00:23 -08:00
parent a5e8f33afe
commit 891b3ddbb9
1 changed files with 1 additions and 11 deletions
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12
position/src/position/position.rs
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@ -18,7 +18,6 @@ pub struct Position {
flags: Flags, flags: Flags,
pieces: PieceBitBoards, pieces: PieceBitBoards,
en_passant_square: Option<Square>, en_passant_square: Option<Square>,
sight: [OnceCell<BitBoard>; 2],
moves: OnceCell<Moves>, moves: OnceCell<Moves>,
half_move_counter: u16, half_move_counter: u16,
full_move_number: u16, full_move_number: u16,
@ -187,13 +186,6 @@ impl Position {
self.en_passant_square self.en_passant_square
} }
/// A bitboard representing the squares the pieces of the given color can
/// see. This is synonymous with the squares attacked by the player's
/// pieces.
pub(crate) fn sight_of_player(&self, color: Color) -> BitBoard {
*self.sight[color as usize].get_or_init(|| self._sight_of_player(color, &self.pieces))
}
fn _sight_of_player(&self, player: Color, pieces: &PieceBitBoards) -> BitBoard { fn _sight_of_player(&self, player: Color, pieces: &PieceBitBoards) -> BitBoard {
let en_passant_square = self.en_passant_square; let en_passant_square = self.en_passant_square;
@ -308,10 +300,9 @@ impl Position {
flags, flags,
en_passant_square, en_passant_square,
pieces, pieces,
sight: [OnceCell::new(), OnceCell::new()],
moves: OnceCell::new(),
half_move_counter, half_move_counter,
full_move_number, full_move_number,
..Default::default()
} }
} }
@ -349,7 +340,6 @@ impl Default for Position {
flags: Flags::default(), flags: Flags::default(),
pieces: PieceBitBoards::default(), pieces: PieceBitBoards::default(),
en_passant_square: None, en_passant_square: None,
sight: [OnceCell::new(), OnceCell::new()],
moves: OnceCell::new(), moves: OnceCell::new(),
half_move_counter: 0, half_move_counter: 0,
full_move_number: 1, full_move_number: 1,