Function copyDatabasePathToRoot

Rapfi/database/dbutils.cpp:36–60

using namespace Database;

void copyDatabasePathToRoot(DBStorage &dbSrc, DBStorage &dbDst, Board &board, Rule rule)
{
    std::vector<Pos> path;
    path.reserve(board.ply());

    while (board.ply() > 0) {
        Pos move = board.getLastMove();
        path.push_back(move);
        board.undo(rule);
    }

    DBRecord record, tempRecord;
    DBKey    key;
    while (path.size()) {
        Pos pos = path.back();
        path.pop_back();

        board.move(rule, pos);
        key = constructDBKey(board, rule);

        if (dbSrc.get(key, record, RECORD_MASK_ALL)
            && !dbDst.get(key, tempRecord, RECORD_MASK_NONE))
            dbDst.set(key, record, RECORD_MASK_ALL);
    }
}

void copyDatabaseBranch(DBStorage &dbSrc,
                        DBStorage &dbDst,