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refactor: 重构 put_piece()

This commit is contained in:
Calcitem 2020-09-12 23:15:06 +08:00
parent c2ee2e9c53
commit 3945ab0383
1 changed files with 52 additions and 54 deletions
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106
src/position.cpp
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@ -657,65 +657,63 @@ bool Position::put_piece(Square s, bool updateCmdlist)
} else { } else {
pieceCountNeedRemove = rule.allowRemoveMultiPiecesWhenCloseMultiMill ? n : 1; pieceCountNeedRemove = rule.allowRemoveMultiPiecesWhenCloseMultiMill ? n : 1;
action = ACTION_REMOVE; action = ACTION_REMOVE;
} }
goto out; } else if (phase == PHASE_MOVING) {
}
if (check_gameover_condition(updateCmdlist)) {
goto out;
}
// When phase == GAME_MOVING
// if illegal
if (pieceCountOnBoard[sideToMove] > rule.nPiecesAtLeast ||
!rule.allowFlyWhenRemainThreePieces) {
for (i = 0; i < 4; i++) {
if (s == MoveList::moveTable[currentSquare][i])
break;
}
// not in moveTable
if (i == 4) {
return false;
}
}
move = make_move(currentSquare, s);
if (updateCmdlist) {
sprintf(cmdline, "(%1u,%1u)->(%1u,%1u)", currentSquare / RANK_NB, currentSquare % RANK_NB + 1,
file, rank);
gamePly++;
st->rule50++;
}
fromTo = square_bb(currentSquare) | square_bb(s);
byTypeBB[ALL_PIECES] ^= fromTo;
byTypeBB[us] ^= fromTo;
board[s]= board[currentSquare];
update_key(s);
revert_key(currentSquare);
board[currentSquare] = NO_PIECE;
currentSquare = s;
n = add_mills(currentSquare);
// midgame
if (n == 0) {
action = ACTION_SELECT;
change_side_to_move();
if (check_gameover_condition(updateCmdlist)) { if (check_gameover_condition(updateCmdlist)) {
goto out; goto out;
} }
} else {
pieceCountNeedRemove = rule.allowRemoveMultiPiecesWhenCloseMultiMill ? n : 1; // if illegal
action = ACTION_REMOVE; if (pieceCountOnBoard[sideToMove] > rule.nPiecesAtLeast ||
!rule.allowFlyWhenRemainThreePieces) {
for (i = 0; i < 4; i++) {
if (s == MoveList::moveTable[currentSquare][i])
break;
}
// not in moveTable
if (i == 4) {
return false;
}
}
move = make_move(currentSquare, s);
if (updateCmdlist) {
sprintf(cmdline, "(%1u,%1u)->(%1u,%1u)", currentSquare / RANK_NB, currentSquare % RANK_NB + 1,
file, rank);
gamePly++;
st->rule50++;
}
fromTo = square_bb(currentSquare) | square_bb(s);
byTypeBB[ALL_PIECES] ^= fromTo;
byTypeBB[us] ^= fromTo;
board[s] = board[currentSquare];
update_key(s);
revert_key(currentSquare);
board[currentSquare] = NO_PIECE;
currentSquare = s;
n = add_mills(currentSquare);
// midgame
if (n == 0) {
action = ACTION_SELECT;
change_side_to_move();
if (check_gameover_condition(updateCmdlist)) {
goto out;
}
} else {
pieceCountNeedRemove = rule.allowRemoveMultiPiecesWhenCloseMultiMill ? n : 1;
action = ACTION_REMOVE;
}
} }
out: out: