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position: refactor put_piece()

This commit is contained in:
Calcitem 2020-09-20 23:23:15 +08:00
parent 106d9f9cce
commit 391e5e1a83
1 changed files with 10 additions and 10 deletions
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20
src/position.cpp
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@ -608,11 +608,7 @@ bool Position::start()
bool Position::put_piece(Square s, bool updateCmdlist)
{
int i;
Piece piece = NO_PIECE;
int n = 0;
int us = sideToMove;
Bitboard fromTo;
@ -625,7 +621,7 @@ bool Position::put_piece(Square s, bool updateCmdlist)
if (phase == PHASE_READY) {
start();
}
}
if (phase == PHASE_PLACING) {
piece = (Piece)((0x01 | make_piece(sideToMove)) + rule.nTotalPiecesEachSide - pieceCountInHand[us]);
@ -646,7 +642,7 @@ bool Position::put_piece(Square s, bool updateCmdlist)
currentSquare = s;
n = add_mills(currentSquare);
int n = add_mills(currentSquare);
if (n == 0) {
assert(pieceCountInHand[BLACK] >= 0 && pieceCountInHand[WHITE] >= 0);
@ -687,13 +683,15 @@ bool Position::put_piece(Square s, bool updateCmdlist)
// if illegal
if (pieceCountOnBoard[sideToMove] > rule.nPiecesAtLeast ||
!rule.allowFlyWhenRemainThreePieces) {
for (i = 0; i < 4; i++) {
if (s == MoveList::moveTable[currentSquare][i])
int md;
for (md = 0; md < MD_NB; md++) {
if (s == MoveList::moveTable[currentSquare][md])
break;
}
// not in moveTable
if (i == 4) {
if (md == MD_NB) {
return false;
}
}
@ -718,7 +716,7 @@ bool Position::put_piece(Square s, bool updateCmdlist)
board[currentSquare] = NO_PIECE;
currentSquare = s;
n = add_mills(currentSquare);
int n = add_mills(currentSquare);
// midgame
if (n == 0) {
@ -732,6 +730,8 @@ bool Position::put_piece(Square s, bool updateCmdlist)
pieceCountNeedRemove = rule.allowRemoveMultiPiecesWhenCloseMultiMill ? n : 1;
action = ACTION_REMOVE;
}
} else {
assert(0);
}
return true;