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position: add captured piece

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Bruno Raoult
2024-03-20 09:57:10 +01:00
parent 08064dd1a1
commit ae6328ce26
2 changed files with 6 additions and 9 deletions
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4
src/piece.c
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@@ -65,10 +65,6 @@ char *piece_to_low(piece_t p)
{ {
return piece_details[p].low; return piece_details[p].low;
} }
//char *piece_to_sym(piece_t p)
//{
// return piece_details[PIECE(p)].sym;
//}
char *piece_to_sym(piece_t p) char *piece_to_sym(piece_t p)
{ {

11
src/position.h
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@@ -37,10 +37,11 @@ typedef struct __pos_s {
* This allows a memcpy on this data (to save/restore position state). * This allows a memcpy on this data (to save/restore position state).
*/ */
struct_group_tagged(state_s, state, struct_group_tagged(state_s, state,
square_t en_passant; square_t en_passant;
castle_rights_t castle; castle_rights_t castle;
u16 clock_50; u16 clock_50;
u16 plycount; /* plies so far, start from 1 */ u16 plycount; /* plies so far, start from 1 */
piece_t captured; /* only for move_undo */
); );
piece_t board[BOARDSIZE]; piece_t board[BOARDSIZE];
@@ -130,7 +131,7 @@ static __always_inline bitboard_t pos_between_occ(const pos_t *pos,
static __always_inline int pos_between_count(const pos_t *pos, static __always_inline int pos_between_count(const pos_t *pos,
const square_t sq1, const square_t sq2) const square_t sq1, const square_t sq2)
{ {
return bb_between_excl[sq1][sq2] & pos_occ(pos); return popcount64(pos_between_occ(pos, sq1, sq2));
} }
/** /**