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cleanup

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Bruno Raoult
2024-06-17 07:38:43 +02:00
parent e61e1518f4
commit dfecad9ea6
1 changed files with 1 additions and 23 deletions
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24
src/move-gen.c
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@@ -353,19 +353,12 @@ movelist_t *pos_gen_pseudo(pos_t *pos, movelist_t *movelist)
bitboard_t from_bb, to_bb; bitboard_t from_bb, to_bb;
bitboard_t tmp_bb; bitboard_t tmp_bb;
move_t *moves = movelist->move; move_t *moves = movelist->move;
//int *nmoves = &movelist->nmoves;
square_t from, to; square_t from, to;
square_t king = pos->king[us]; square_t king = pos->king[us];
//*nmoves = 0;
/* king - MUST BE FIRST */ /* king - MUST BE FIRST */
to_bb = bb_king_moves(dest_squares, king); to_bb = bb_king_moves(dest_squares, king);
moves = moves_gen(moves, king, to_bb); moves = moves_gen(moves, king, to_bb);
//while(to_bb) {
// to = bb_next(&to_bb);
// *moves++ = move_make(king, to);
//}
if (bb_multiple(pos->checkers)) /* double check, we stop here */ if (bb_multiple(pos->checkers)) /* double check, we stop here */
goto finish; goto finish;
@@ -382,8 +375,6 @@ movelist_t *pos_gen_pseudo(pos_t *pos, movelist_t *movelist)
* Attention ! Castling flags are assumed correct * Attention ! Castling flags are assumed correct
*/ */
bitboard_t rel_rank1 = bb_rel_rank(RANK_1, us); bitboard_t rel_rank1 = bb_rel_rank(RANK_1, us);
//square_t from_square[2] = { E1, E8 }; /* verify king is on E1/E8 */
//bug_on(can_castle(pos->castle, us) && from != from_square[us]);
/* For castle, we check the opponent attacks on squares between from and to. /* For castle, we check the opponent attacks on squares between from and to.
* To square attack check will be done in gen_is_legal. * To square attack check will be done in gen_is_legal.
*/ */
@@ -400,26 +391,19 @@ movelist_t *pos_gen_pseudo(pos_t *pos, movelist_t *movelist)
} }
} }
} }
/* sliding pieces */ /* sliding pieces */
from_bb = pos->bb[us][BISHOP] | pos->bb[us][QUEEN]; from_bb = pos->bb[us][BISHOP] | pos->bb[us][QUEEN];
while (from_bb) { while (from_bb) {
from = bb_next(&from_bb); from = bb_next(&from_bb);
to_bb = hyperbola_bishop_moves(occ, from) & dest_squares; to_bb = hyperbola_bishop_moves(occ, from) & dest_squares;
moves = moves_gen(moves, from, to_bb); moves = moves_gen(moves, from, to_bb);
//while(to_bb) {
// to = bb_next(&to_bb);
// *moves++ = move_make(from, to);
//}
} }
from_bb = pos->bb[us][ROOK] | pos->bb[us][QUEEN]; from_bb = pos->bb[us][ROOK] | pos->bb[us][QUEEN];
while (from_bb) { while (from_bb) {
from = bb_next(&from_bb); from = bb_next(&from_bb);
to_bb = hyperbola_rook_moves(occ, from) & dest_squares; to_bb = hyperbola_rook_moves(occ, from) & dest_squares;
moves = moves_gen(moves, from, to_bb); moves = moves_gen(moves, from, to_bb);
//while(to_bb) {
// to = bb_next(&to_bb);
// *moves++ = move_make(from, to);
//}
} }
/* knight */ /* knight */
@@ -428,10 +412,6 @@ movelist_t *pos_gen_pseudo(pos_t *pos, movelist_t *movelist)
from = bb_next(&from_bb); from = bb_next(&from_bb);
to_bb = bb_knight_moves(dest_squares, from); to_bb = bb_knight_moves(dest_squares, from);
moves = moves_gen(moves, from, to_bb); moves = moves_gen(moves, from, to_bb);
//while(to_bb) {
// to = bb_next(&to_bb);
// *moves++ = move_make(from, to);
//}
} }
/* pawn: relative rank and files */ /* pawn: relative rank and files */
@@ -460,13 +440,11 @@ movelist_t *pos_gen_pseudo(pos_t *pos, movelist_t *movelist)
while(to_bb) { while(to_bb) {
to = bb_next(&to_bb); to = bb_next(&to_bb);
from = to - shift - shift; from = to - shift - shift;
//*moves++ = move_make_flags(from, to, M_DPUSH);
*moves++ = move_make(from, to); *moves++ = move_make(from, to);
} }
/* pawn: captures */ /* pawn: captures */
tmp_bb = bb_pawns_attacks(pos->bb[us][PAWN], shift) & enemy_pieces; tmp_bb = bb_pawns_attacks(pos->bb[us][PAWN], shift) & enemy_pieces;
//bb_print("FAIL", tmp_bb);
to_bb = tmp_bb & ~rel_rank8; to_bb = tmp_bb & ~rel_rank8;
while (to_bb) { while (to_bb) {
to = bb_next(&to_bb); to = bb_next(&to_bb);