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[board] Rename BitBoard::has_piece_at → is_set

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This commit is contained in:
Eryn Wells 2024-01-15 17:42:27 -08:00
parent 98fce9acde
commit 81d544f0d5
2 changed files with 7 additions and 7 deletions
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10
board/src/bitboard/bitboard.rs
View file

@ -52,7 +52,7 @@ impl BitBoard {
self.0 == 0 self.0 == 0
} }
pub fn has_piece_at(self, sq: Square) -> bool { pub fn is_set(self, sq: Square) -> bool {
!(self & sq.into()).is_empty() !(self & sq.into()).is_empty()
} }
@ -242,8 +242,8 @@ mod tests {
#[test] #[test]
fn has_piece_at() { fn has_piece_at() {
let bb = BitBoard(0b1001100); let bb = BitBoard(0b1001100);
assert!(bb.has_piece_at(Square::C1)); assert!(bb.is_set(Square::C1));
assert!(!bb.has_piece_at(Square::B1)); assert!(!bb.is_set(Square::B1));
} }
#[test] #[test]
@ -251,7 +251,7 @@ mod tests {
let sq = Square::E4; let sq = Square::E4;
let mut bb = BitBoard(0b1001100); let mut bb = BitBoard(0b1001100);
bb.set_square(sq); bb.set_square(sq);
assert!(bb.has_piece_at(sq)); assert!(bb.is_set(sq));
} }
#[test] #[test]
@ -259,7 +259,7 @@ mod tests {
let sq = Square::A3; let sq = Square::A3;
let mut bb = BitBoard(0b1001100); let mut bb = BitBoard(0b1001100);
bb.clear_square(sq); bb.clear_square(sq);
assert!(!bb.has_piece_at(sq)); assert!(!bb.is_set(sq));
} }
#[test] #[test]

4
board/src/position/position.rs
View file

@ -137,7 +137,7 @@ impl Position {
pub fn place_piece(&mut self, piece: Piece, square: Square) -> Result<(), PiecePlacementError> { pub fn place_piece(&mut self, piece: Piece, square: Square) -> Result<(), PiecePlacementError> {
let type_bb = self.bitboard_for_piece_mut(piece); let type_bb = self.bitboard_for_piece_mut(piece);
if type_bb.has_piece_at(square) { if type_bb.is_set(square) {
return Err(PiecePlacementError::ExistsOnSquare); return Err(PiecePlacementError::ExistsOnSquare);
} }
@ -197,7 +197,7 @@ impl Position {
for shape in Shape::iter() { for shape in Shape::iter() {
let piece = Piece::new(color, *shape); let piece = Piece::new(color, *shape);
let bb = self.bitboard_for_piece(piece); let bb = self.bitboard_for_piece(piece);
if bb.has_piece_at(sq) { if bb.is_set(sq) {
return Some(PlacedPiece::new(piece, sq)); return Some(PlacedPiece::new(piece, sq));
} }
} }