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Occupancy & square control bitboards + continue printf->logX

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This commit is contained in:
Bruno Raoult
2021-11-08 08:38:38 +01:00
parent c7faa88bfa
commit d38e2f4543
13 changed files with 184 additions and 89 deletions
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60
src/position.c
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@@ -22,6 +22,43 @@
#include "fen.h"
#include "piece.h"
#define BYTE_PRINT "%c%c%c%c%c%c%c%c"
#define BYTE2BIN(b) ((b) & 0x01 ? '1' : '0'), \
((b) & 0x02 ? '1' : '0'), \
((b) & 0x04 ? '1' : '0'), \
((b) & 0x08 ? '1' : '0'), \
((b) & 0x10 ? '1' : '0'), \
((b) & 0x20 ? '1' : '0'), \
((b) & 0x40 ? '1' : '0'), \
((b) & 0x80 ? '1' : '0')
inline void bitboard_print(bitboard_t bb)
{
int i;
printf("%#018lx\n", bb);
for (i=56; i; i-=8)
printf("\t"BYTE_PRINT"\n",
BYTE2BIN(bb>>i));
}
inline void bitboard_print2(bitboard_t bb1, bitboard_t bb2)
{
int i;
printf("\tW: %#018lx\tB: %#018lx\n", bb1, bb2);
for (i=56; i>=0; i-=8)
printf("\t"BYTE_PRINT"\t\t"BYTE_PRINT"\n",
BYTE2BIN(bb1>>i),
BYTE2BIN(bb2>>i));
}
void pos_pieces_print(pos_t *pos)
{
printf("White pieces : \n\t");
piece_list_print(&pos->pieces[WHITE]);
printf("Black pieces : \n\t");
piece_list_print(&pos->pieces[BLACK]);
}
/* void pos_print - Print position on stdout.
* @pos: Position address (pos_t * )
*
@@ -43,7 +80,12 @@ void pos_print(pos_t *pos)
printf("\n +---+---+---+---+---+---+---+---+\n");
}
printf(" A B C D E F G H\n\n");
printf("Next move: %s.\n", IS_WHITE(pos->turn) ? "white" : "black");
printf("Turn: %s.\n", IS_WHITE(pos->turn) ? "white" : "black");
printf("Kings: W:%c%c B:%c%c\n",
FILE2C(GET_F(pos->king[WHITE])),
RANK2C(GET_R(pos->king[WHITE])),
FILE2C(GET_F(pos->king[BLACK])),
RANK2C(GET_R(pos->king[BLACK])));
printf("Possible en-passant: [%#x] ", pos->en_passant);
if (pos->en_passant == 0)
printf("None.\n");
@@ -66,6 +108,10 @@ void pos_print(pos_t *pos)
printf("\n50 half-moves-rule = %d\n", pos->clock_50);
printf("Current move = %d\n", pos->curmove);
printf("Bitbords occupied :\n");
bitboard_print2(pos->occupied[WHITE], pos->occupied[BLACK]);
printf("Bitbords controlled :\n");
bitboard_print2(pos->controlled[WHITE], pos->controlled[BLACK]);
}
pos_t *pos_init(pos_t *pos)
@@ -87,10 +133,16 @@ pos_t *pos_init(pos_t *pos)
pos->castle = 0;
pos->clock_50 = 0;
pos->curmove = 0;
pos->eval = 0;
pos->en_passant = 0;
pos->en_passant = 0;
INIT_LIST_HEAD(&pos->pieces_white);
INIT_LIST_HEAD(&pos->pieces_black);
pos->king[WHITE] = 0;
pos->king[BLACK] = 0;
pos->occupied[WHITE] = 0;
pos->occupied[BLACK] = 0;
pos->controlled[WHITE] = 0;
pos->controlled[BLACK] = 0;
INIT_LIST_HEAD(&pos->pieces[WHITE]);
INIT_LIST_HEAD(&pos->pieces[BLACK]);
INIT_LIST_HEAD(&pos->moves);
return pos;