From 2d646f0ad0421ebd11dcecd7be92c57c4b7abc83 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Varga=20D=C3=A1vid=20Lajos?= Date: Wed, 19 Nov 2025 21:07:18 +0100 Subject: [PATCH] implemented move generation method for knight capture moves --- engine/src/bitboard/movegen/knights.rs | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/engine/src/bitboard/movegen/knights.rs b/engine/src/bitboard/movegen/knights.rs index 43b6b24..db4a105 100644 --- a/engine/src/bitboard/movegen/knights.rs +++ b/engine/src/bitboard/movegen/knights.rs @@ -33,4 +33,23 @@ impl Board { } } } + fn add_knight_captures(&self, buffer: &mut MoveBuffer, move_mask: u64) { + let offset = 6 * self.side_to_move as usize; + let mut knights: u64 = self.bitboards[1 + offset]; + let opponents = self.occupancy[1 - self.side_to_move as usize]; + while knights != 0 { + let next_sq: u32 = pop_lsb(&mut knights); + let mut attacks: u64 = self.get_pseudo_knight_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