From 35cb1eeb738ccab727bc48c8178724e12b117512 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Varga=20D=C3=A1vid=20Lajos?= Date: Wed, 19 Nov 2025 21:13:05 +0100 Subject: [PATCH] implemented move generation method for bishop capture moves --- engine/src/bitboard/movegen/bishops.rs | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/engine/src/bitboard/movegen/bishops.rs b/engine/src/bitboard/movegen/bishops.rs index c05a964..00f681b 100644 --- a/engine/src/bitboard/movegen/bishops.rs +++ b/engine/src/bitboard/movegen/bishops.rs @@ -33,4 +33,23 @@ impl Board { } } } + fn add_bishop_captures(&self, buffer: &mut MoveBuffer, move_mask: u64) { + let offset = 6 * self.side_to_move as usize; + let mut bishops: u64 = self.bitboards[2 + offset]; + let opponents = self.occupancy[1 - self.side_to_move as usize]; + while bishops != 0 { + let next_sq: u32 = pop_lsb(&mut bishops); + let mut attacks: u64 = self.get_pseudo_bishop_moves(next_sq) & opponents & move_mask; + attacks = self.get_pin_masked_moves(attacks, next_sq); + + while attacks != 0 { + let to_sq = pop_lsb(&mut attacks); + buffer.add(BitMove::capture( + next_sq as u8, + to_sq as u8, + None + )); + } + } + } } \ No newline at end of file