void GameSession::PutStone()

in GomokuServer/GomokuServer/GameSession.cpp [80:133]
42 lines of code
13 McCabe index (conditional complexity)

void GameSession::PutStone(std::shared_ptr<PlayerSession> psess, int x, int y)
{
    if (x < 0 || x >= BOARD_SIZE || y < 0 || y >= BOARD_SIZE)
    {
        GConsoleLog->PrintOut(true, "[PutStone Denied] out of range\n", psess->GetPlayerSessionId().c_str());
        return;
    }

    if (mGameStatus != GameStatus::GS_STARTED)
    {
        GConsoleLog->PrintOut(true, "[PutStone Denied] Not started game\n", psess->GetPlayerSessionId().c_str());
        return;
    }

    FastSpinlockGuard lock(mGameSessionLock);


    bool isBlack = (psess == mPlayerBlack);

    if (isBlack && mCurrentTurn != StoneType::STONE_BLACK)
    {
        GConsoleLog->PrintOut(true, "[PutStone Denied] Turn mismatch\n", psess->GetPlayerSessionId().c_str());
        return;
    }

    if (!isBlack && mCurrentTurn != StoneType::STONE_WHITE)
    {
        GConsoleLog->PrintOut(true, "[PutStone Denied] Turn mismatch\n", psess->GetPlayerSessionId().c_str());
        return;
    }

    if (mBoardStatus.mBoardMatrix[x][y] != StoneType::STONE_NONE)
    {
        GConsoleLog->PrintOut(true, "[PutStone Denied] wrong position\n", psess->GetPlayerSessionId().c_str());
        return;
    }

    StoneType st = isBlack ? StoneType::STONE_BLACK : StoneType::STONE_WHITE;
    mBoardStatus.mBoardMatrix[x][y] = st;

    /// Win check...
    if (IsWin(st))
    {
        mGameStatus = isBlack ? GameStatus::GS_GAME_OVER_BLACK_WIN : GameStatus::GS_GAME_OVER_WHITE_WIN;
        SendGameResult(isBlack);
    }

    if (isBlack)
        mCurrentTurn = StoneType::STONE_WHITE;
    else
        mCurrentTurn = StoneType::STONE_BLACK;

    BroadcastGameStatus();
}