Robot

Robot::Robot(Arena* ap, int r, int c)
{
    if (ap == nullptr)
    {
        cout << "***** A robot must be in some Arena!" << endl;
        exit(1);
    }
    if (r < 1 || r > ap->rows() || c < 1 || c > ap->cols())
    {
        cout << "***** Robot created with invalid coordinates (" << r << ","
            << c << ")!" << endl;
        exit(1);
    }
    m_arena = ap;
    m_row = r;
    m_col = c;
}