PieceType pieceTypeFromOrDropped() const { return (isDrop() ? pieceTypeDropped() : pieceTypeFrom()); }
HandPiece handPieceDropped() const {
assert(this->isDrop());
return pieceTypeToHandPiece(pieceTypeDropped());
}
// 移動した後の駒の種類
PieceType pieceTypeTo() const {
if(isDrop()) {
return pieceTypeDropped();
}
return pieceTypeTo(pieceTypeFrom());
}
