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move_t flags: mask -> value, unique castling flag (1 bit saved)

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Bruno Raoult
2024-06-25 15:33:56 +02:00
parent 5cb90f5396
commit ffd5d056cc
3 changed files with 24 additions and 33 deletions
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8
src/move-do.c
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@@ -86,7 +86,7 @@ pos_t *move_do(pos_t *pos, const move_t move, state_t *state)
pos_clr_sq(pos, to); /* clear square */
} else if (is_castle(move)) { /* handle rook move */
square_t rookfrom, rookto;
if (is_castle_K(move)) {
if (to > from) {
rookfrom = sq_rel(H1, us);
rookto = sq_rel(F1, us);
} else {
@@ -193,7 +193,7 @@ pos_t *move_undo(pos_t *pos, const move_t move, const state_t *state)
pos_set_sq(pos, to, pos->captured); /* restore captured piece */
} else if (is_castle(move)) { /* make reverse rook move */
square_t rookfrom, rookto;
if (is_castle_K(move)) {
if (to > from) {
rookfrom = sq_rel(F1, us);
rookto = sq_rel(H1, us);
} else {
@@ -254,7 +254,7 @@ pos_t *move_do_alt(pos_t *pos, const move_t move, state_t *state)
pos_clr_sq(pos, to); /* clear square */
} else if (is_castle(move)) { /* handle rook move */
square_t rookfrom, rookto;
if (is_castle_K(move)) {
if (to > from) {
rookfrom = sq_rel(H1, us);
rookto = sq_rel(F1, us);
} else {
@@ -344,7 +344,7 @@ pos_t *move_undo_alt(pos_t *pos, const move_t move, const state_t *state)
pos_set_sq(pos, to, pos->captured); /* restore captured piece */
} else if (is_castle(move)) { /* make reverse rook move */
square_t rookfrom, rookto;
if (is_castle_K(move)) {
if (to > from) {
rookfrom = sq_rel(F1, us);
rookto = sq_rel(H1, us);
} else {