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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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27
src/position.h
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@@ -30,9 +30,12 @@ typedef struct __pos_s {
u64 node_count; /* evaluated nodes */
int turn; /* WHITE or BLACK */
/* data which cannot be recovered by move_undo (like castle_rights, ...),
* or would be expensive to recover (checkers, ...)
* following data can be accessed either directly, either via "state"
/* data which cannot be recovered by move_undo (like castle_rights, ...).
*
* Attention: checkers/pinners/blockers are not included here, and
* are not available in move_undo or any following legality check.
*
* Following data can be accessed either directly, either via "state"
* structure name.
* For example, pos->en_passant and pos->state.en_passant are the same.
* This allows a memcpy on this data (to save/restore position state).
@@ -42,17 +45,15 @@ typedef struct __pos_s {
castle_rights_t castle;
int clock_50;
int plycount; /* plies so far, start from 1 */
piece_t captured; /* only for move_undo */
bitboard_t checkers; /* opponent checkers */
bitboard_t pinners; /* opponent pinners */
bitboard_t blockers; /* pieces blocking pin */
piece_t captured; /* only used in move_undo */
);
bitboard_t checkers; /* opponent checkers */
bitboard_t pinners; /* opponent pinners */
bitboard_t blockers; /* pieces blocking pin */
piece_t board[BOARDSIZE];
bitboard_t bb[2][PIECE_TYPE_MAX]; /* bb[0][PAWN], bb[1][ALL_PIECES] */
//bitboard_t controlled[2]; /* unsure */
square_t king[2]; /* dup with bb, faster retrieval */
//movelist_t moves;
} pos_t;
typedef struct state_s state_t;
@@ -72,8 +73,8 @@ static __always_inline void pos_set_sq(pos_t *pos, square_t square, piece_t piec
color_t color = COLOR(piece);
piece_type_t type = PIECE(piece);
pos->board[square] = piece;
pos->bb[color][type] |= mask(square);
pos->bb[color][ALL_PIECES] |= mask(square);
pos->bb[color][type] |= BIT(square);
pos->bb[color][ALL_PIECES] |= BIT(square);
if (type == KING)
pos->king[color] = square;
}
@@ -91,8 +92,8 @@ static __always_inline void pos_clr_sq(pos_t *pos, square_t square)
piece_type_t type = PIECE(piece);
color_t color = COLOR(piece);
pos->board[square] = EMPTY;
pos->bb[color][type] &= ~mask(square);
pos->bb[color][ALL_PIECES] &= ~mask(square);
pos->bb[color][type] &= ~BIT(square);
pos->bb[color][ALL_PIECES] &= ~BIT(square);
if (type == KING)
pos->king[color] = SQUARE_NONE;
}