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ren macros mask->BIT/C64->U64, del pinners/checkers/blockers in state_s

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Bruno Raoult
2024-05-06 07:41:27 +02:00
parent c710da4bf9
commit 32ade1777f
11 changed files with 61 additions and 55 deletions
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8
src/move-gen.c
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@@ -41,7 +41,7 @@ bool pseudo_is_legal(const pos_t *pos, const move_t move)
square_t king = pos->king[us];
bitboard_t kingbb = pos->bb[us][KING];
bitboard_t occ = pos_occ(pos);
u64 pinned = mask(from) & pos->blockers;
u64 pinned = BIT(from) & pos->blockers;
u64 checkers = pos->checkers;
/* (1) - Castling & King
@@ -86,8 +86,8 @@ bool pseudo_is_legal(const pos_t *pos, const move_t move)
/* (3) - pinned pieces
* We verify here that pinned piece P stays on line King-P.
*/
if (mask(from) & pos->blockers) {
return bb_line[from][king] & mask(to); /* is to on pinner line ? */
if (BIT(from) & pos->blockers) {
return bb_line[from][king] & BIT(to); /* is to on pinner line ? */
}
/* (4) - En-passant
@@ -99,7 +99,7 @@ bool pseudo_is_legal(const pos_t *pos, const move_t move)
bitboard_t rank5 = us == WHITE? RANK_5bb: RANK_4bb;
if ((pos->bb[us][KING] & rank5)) {
bitboard_t exclude = mask(pos->en_passant - sq_up(us)) | mask(from);
bitboard_t exclude = BIT(pos->en_passant - sq_up(us)) | BIT(from);
bitboard_t rooks = (pos->bb[them][ROOK] | pos->bb[them][QUEEN]) & rank5;
while (rooks) {