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Use do_move_bb() helpers when doing a castle

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Small cleanup.

No functional change.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba 2009-07-23 10:29:13 +01:00
parent 044ad593b3
commit 8b45b60327
1 changed files with 18 additions and 28 deletions
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46
src/position.cpp
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@ -905,21 +905,16 @@ void Position::do_castle_move(Move m) {
rto = relative_square(us, SQ_D1);
}
// Remove pieces from source squares
clear_bit(&(byColorBB[us]), kfrom);
clear_bit(&(byTypeBB[KING]), kfrom);
clear_bit(&(byTypeBB[0]), kfrom); // HACK: byTypeBB[0] == occupied squares
clear_bit(&(byColorBB[us]), rfrom);
clear_bit(&(byTypeBB[ROOK]), rfrom);
clear_bit(&(byTypeBB[0]), rfrom); // HACK: byTypeBB[0] == occupied squares
// Move the pieces
Bitboard kmove_bb = make_move_bb(kfrom, kto);
do_move_bb(&(byColorBB[us]), kmove_bb);
do_move_bb(&(byTypeBB[KING]), kmove_bb);
do_move_bb(&(byTypeBB[0]), kmove_bb); // HACK: byTypeBB[0] == occupied squares
// Put pieces on destination squares
set_bit(&(byColorBB[us]), kto);
set_bit(&(byTypeBB[KING]), kto);
set_bit(&(byTypeBB[0]), kto); // HACK: byTypeBB[0] == occupied squares
set_bit(&(byColorBB[us]), rto);
set_bit(&(byTypeBB[ROOK]), rto);
set_bit(&(byTypeBB[0]), rto); // HACK: byTypeBB[0] == occupied squares
Bitboard rmove_bb = make_move_bb(rfrom, rto);
do_move_bb(&(byColorBB[us]), rmove_bb);
do_move_bb(&(byTypeBB[ROOK]), rmove_bb);
do_move_bb(&(byTypeBB[0]), rmove_bb); // HACK: byTypeBB[0] == occupied squares
// Update board array
Piece king = piece_of_color_and_type(us, KING);
@ -1242,21 +1237,16 @@ void Position::undo_castle_move(Move m) {
assert(piece_on(kto) == piece_of_color_and_type(us, KING));
assert(piece_on(rto) == piece_of_color_and_type(us, ROOK));
// Remove pieces from destination squares
clear_bit(&(byColorBB[us]), kto);
clear_bit(&(byTypeBB[KING]), kto);
clear_bit(&(byTypeBB[0]), kto); // HACK: byTypeBB[0] == occupied squares
clear_bit(&(byColorBB[us]), rto);
clear_bit(&(byTypeBB[ROOK]), rto);
clear_bit(&(byTypeBB[0]), rto); // HACK: byTypeBB[0] == occupied squares
// Put the pieces back at the source square
Bitboard kmove_bb = make_move_bb(kto, kfrom);
do_move_bb(&(byColorBB[us]), kmove_bb);
do_move_bb(&(byTypeBB[KING]), kmove_bb);
do_move_bb(&(byTypeBB[0]), kmove_bb); // HACK: byTypeBB[0] == occupied squares
// Put pieces on source squares
set_bit(&(byColorBB[us]), kfrom);
set_bit(&(byTypeBB[KING]), kfrom);
set_bit(&(byTypeBB[0]), kfrom); // HACK: byTypeBB[0] == occupied squares
set_bit(&(byColorBB[us]), rfrom);
set_bit(&(byTypeBB[ROOK]), rfrom);
set_bit(&(byTypeBB[0]), rfrom); // HACK: byTypeBB[0] == occupied squares
Bitboard rmove_bb = make_move_bb(rto, rfrom);
do_move_bb(&(byColorBB[us]), rmove_bb);
do_move_bb(&(byTypeBB[ROOK]), rmove_bb);
do_move_bb(&(byTypeBB[0]), rmove_bb); // HACK: byTypeBB[0] == occupied squares
// Update board
board[rto] = board[kto] = EMPTY;