eryn/chessfriend
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Clean up Pawn::pushes a little bit

Browse source
This commit is contained in:
Eryn Wells 2024-01-28 15:58:36 -08:00
parent 296a57d7ac
commit 2d5710ccb1
1 changed files with 3 additions and 5 deletions
Download patch file Download diff file Expand all files Collapse all files

8
position/src/move_generator/pawn.rs
View file

@ -30,13 +30,11 @@ impl PawnMoveGenerator {
let square = piece.square(); let square = piece.square();
let bitboard: BitBoard = square.into(); let bitboard: BitBoard = square.into();
let empty_squares = position.empty_squares(); let starting_rank = Rank::PAWN_STARTING_RANKS[piece.color() as usize];
let empty_squares = position.empty_squares();
let mut moves = bitboard.shift_north_one() & empty_squares; let mut moves = bitboard.shift_north_one() & empty_squares;
if !(bitboard if !(bitboard & BitBoard::rank(starting_rank.as_index())).is_empty() {
& BitBoard::rank(Rank::PAWN_STARTING_RANKS[piece.color() as usize].as_index()))
.is_empty()
{
moves |= moves.shift_north_one() & empty_squares; moves |= moves.shift_north_one() & empty_squares;
} }