diff options
Diffstat (limited to 'src/engine/moves/bishop.c')
| -rw-r--r-- | src/engine/moves/bishop.c | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/src/engine/moves/bishop.c b/src/engine/moves/bishop.c index 52b90b3..c51d405 100644 --- a/src/engine/moves/bishop.c +++ b/src/engine/moves/bishop.c @@ -14,10 +14,11 @@ void __forloop_bishop_moves_gen( int og_file = from % 8; // range: [0, 7] int rank = og_rank + 1, file = og_file + 1, index = rank * 8 + file; - + bitboard_t occupied; while ((rank < 8 && file < 8) && !occupied_by(friendly_pieces, index)) { - add_move(moves, from, index); - if (occupied_by(enemy_pieces, index)) { + occupied = occupied_by(enemy_pieces, index); + add_move(moves, from, index, .flags = occupied ? MOVE_CAPTURE : 0); + if (occupied) { break; } index = ++rank * 8 + ++file; @@ -25,8 +26,9 @@ void __forloop_bishop_moves_gen( rank = og_rank - 1, file = og_file - 1, index = rank * 8 + file; while ((rank >= 0 && file >= 0) && !occupied_by(friendly_pieces, index)) { - add_move(moves, from, index); - if (occupied_by(enemy_pieces, index)) { + occupied = occupied_by(enemy_pieces, index); + add_move(moves, from, index, .flags = occupied ? MOVE_CAPTURE : 0); + if (occupied) { break; } index = --rank * 8 + --file; @@ -34,8 +36,9 @@ void __forloop_bishop_moves_gen( rank = og_rank - 1, file = og_file + 1, index = rank * 8 + file; while ((rank >= 0 && file < 8) && !occupied_by(friendly_pieces, index)) { - add_move(moves, from, index); - if (occupied_by(enemy_pieces, index)) { + occupied = occupied_by(enemy_pieces, index); + add_move(moves, from, index, .flags = occupied ? MOVE_CAPTURE : 0); + if (occupied) { break; } index = --rank * 8 + ++file; @@ -43,8 +46,9 @@ void __forloop_bishop_moves_gen( rank = og_rank + 1, file = og_file - 1, index = rank * 8 + file; while ((rank < 8 && file >= 0) && !occupied_by(friendly_pieces, index)) { - add_move(moves, from, index); - if (occupied_by(enemy_pieces, index)) { + occupied = occupied_by(enemy_pieces, index); + add_move(moves, from, index, .flags = occupied ? MOVE_CAPTURE : 0); + if (occupied) { break; } index = ++rank * 8 + --file; |