Function getPosition

Rapfi/command/gomocup.cpp:603–672

}

void getPosition(bool startThink)
{
    board->newGame(options.rule);
    options.multiPV     = 1;
    options.balanceMode = Search::SearchOptions::BALANCE_NONE;

    // Read position sequence
    enum SideFlag { SELF = 1, OPPO = 2, WALL = 3 };
    std::vector<std::pair<Pos, SideFlag>> position;

    while (true) {
        std::string coordStr;
        std::cin >> coordStr;
        upperInplace(coordStr);

        if (coordStr == "DONE" || std::cin.eof())
            break;

        std::optional<Pos> pos;
        int                color = -1;
        {
            std::stringstream ss;
            char              comma;
            ss << coordStr;
            pos = parseLegalCoord(ss, *board);
            ss >> comma >> color;
        }

        if (pos.has_value()) {
            if (color == SELF || color == OPPO || color == WALL && *pos != Pos::NONE)
                position.emplace_back(*pos, static_cast<SideFlag>(color));
            else
                ERRORL("Color is not a valid value, must be one of [1, 2, 3].");
        }
    }

    // The first move (either real move or pass) is always considered as BLACK
    Color selfColor = BLACK;
    for (auto [pos, side] : position) {
        if (side != WALL) {
            selfColor = side == SELF ? BLACK : WHITE;
            break;
        }
    }

    // Put stones on board
    for (auto [pos, side] : position) {
        if (side == WALL)  // Currently wall is not supported
            continue;

        // Make sure current side to move correspond to the input side
        // If not, we add an extra PASS move to flip the side
        if (side == SELF && board->sideToMove() != selfColor
            || side == OPPO && board->sideToMove() != ~selfColor) {
            if (checkLastMoveIsNotPass(*board))
                return;

            board->move(options.rule, Pos::PASS);