Copy bitboard.c into temp-migration-bitboard/bitboard.c
This commit is contained in:
@@ -1,42 +0,0 @@
|
||||
/* bitboard.c - bitboard functions.
|
||||
*
|
||||
* Copyright (C) 2024 Bruno Raoult ("br")
|
||||
* Licensed under the GNU General Public License v3.0 or later.
|
||||
* 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.html>.
|
||||
*
|
||||
* SPDX-License-Identifier: GPL-3.0-or-later <https://spdx.org/licenses/GPL-3.0-or-later.html>
|
||||
*
|
||||
*/
|
||||
|
||||
#include "br.h"
|
||||
#include "bitboard.h"
|
||||
|
||||
/* maps are clockwise from N */
|
||||
static char knight_vector[8] = {
|
||||
NORTH*2 + EAST, NORTH + EAST*2, SOUTH + EAST*2, SOUTH*2 + EAST,
|
||||
SOUTH*2 + WEST, SOUTH + WEST*2, NORTH + WEST*2, NORTH*2 + WEST
|
||||
};
|
||||
static char king_vector[8] = {
|
||||
NORTH, NORTH_EAST, EAST, SOUTH_EAST,
|
||||
SOUTH, SOUTH_WEST, WEST, NORTH_WEST
|
||||
};
|
||||
|
||||
static u64 knight_attacks[64], king_attacks[64];
|
||||
static int zob=0;
|
||||
|
||||
void bitboard_init(void)
|
||||
{
|
||||
for (int sq = SQ_0; sq < SQ_N; ++sq) {
|
||||
/* knight/king */
|
||||
for (int j = 0; j < 8; ++j) {
|
||||
zob += *knight_attacks + *king_attacks + *knight_vector +
|
||||
*king_vector;
|
||||
//int dest_knight = sq + knight_vector[j];
|
||||
//if ()
|
||||
}
|
||||
|
||||
}
|
||||
}
|
Reference in New Issue
Block a user