diff options
Diffstat (limited to 'src/bitboard.h')
| -rw-r--r-- | src/bitboard.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/bitboard.h b/src/bitboard.h index a3735d1..912cad0 100644 --- a/src/bitboard.h +++ b/src/bitboard.h @@ -50,11 +50,13 @@ enum { #define BITMASK_FILE_G 4629771061636907072ULL #define BITMASK_FILE_H 9259542123273814144ULL +#define occupied_by(bitboard, index) (bitboard & ((bitboard_t)1 << index)) + typedef struct { bitboard_t bitboards[PIECE_TYPE_COUNT]; u8 castling; u8 turn; - u8 passantable_column; + u8 passantable_file; } position_t; position_t position_starting(); @@ -64,4 +66,4 @@ bitboard_t blacks(position_t position); void print_bitboard(bitboard_t bitboard); -#endif // !BITBOARD_H +#endif // BITBOARD_H |