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start bitboard integration

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Bruno Raoult
2023-06-22 16:08:57 +02:00
parent cb94ca52b9
commit 1154f141c9
11 changed files with 113 additions and 52 deletions
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23
src/fen.c
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@@ -5,7 +5,7 @@
* Some rights reserved. See COPYING.
*
* You should have received a copy of the GNU General Public License along with this
* program. If not, see <https://www.gnu.org/licenses/gpl-3.0-standalone.htmlL>.
* program. If not, see <https://www.gnu.org/licenses/gpl-3.0-standalone.html>.
*
* SPDX-License-Identifier: GPL-3.0-or-later <https://spdx.org/licenses/GPL-3.0-or-later.html>
*
@@ -17,7 +17,8 @@
#include <string.h>
#include <ctype.h>
#include "debug.h"
#include <debug.h>
#include "chessdefs.h"
#include "position.h"
#include "board.h"
@@ -48,7 +49,7 @@
pos_t *fen2pos(pos_t *pos, char *fen)
{
char *p = fen;
short rank, file, skip, color;
short rank, file, skip, color, bbpiece;
piece_t piece;
board_t *board = pos->board;
# define SKIP_BLANK(p) for(;*(p) == ' '; (p)++)
@@ -61,29 +62,36 @@ pos_t *fen2pos(pos_t *pos, char *fen)
char cp = toupper(*p);
switch (cp) {
case CHAR_PAWN:
bbpiece = BB_PAWN;
piece = PAWN;
goto set_square;
case CHAR_KNIGHT:
bbpiece = BB_KNIGHT;
piece = KNIGHT;
goto set_square;
case CHAR_BISHOP:
bbpiece = BB_BISHOP;
piece = BISHOP;
goto set_square;
case CHAR_ROOK:
bbpiece = BB_ROOK;
piece = ROOK;
goto set_square;
case CHAR_QUEEN:
bbpiece = BB_QUEEN;
piece = QUEEN;
goto set_square;
case CHAR_KING:
bbpiece = BB_KING;
piece = KING;
pos->king[color]=SQ88(file, rank);
//pos->bb[color][BB_KING] = BB(file, rank);
//goto set_square;
set_square:
# ifdef DEBUG_FEN
log_i(5, "f=%d r=%d *p=%c piece=%c color=%d\n",
file, rank, *p, cp, color);
file, rank, *p, cp, color);
# endif
pos->bb[color][bbpiece] |= BB(file, rank);
pos->occupied[color] |= BB(file, rank);
SET_COLOR(piece, color);
board[SQ88(file, rank)].piece = piece;
@@ -158,8 +166,11 @@ pos_t *fen2pos(pos_t *pos, char *fen)
* 6) current move number
*/
SKIP_BLANK(p);
log_i(5, "pos=%d\n", (int)(p-fen));
//log_i(5, "pos=%d\n", (int)(p-fen));
sscanf(p, "%hd %hd", &pos->clock_50, &pos->curmove);
# ifdef DEBUG_FEN
log_i(5, "50 rule=%d current move=%d\n", pos->clock_50, pos->curmove);
# endif
return pos;
}