Robocar Server-side ID patch

server-patch

// In order to make it possible to identify cars on the client side you may add the following modifications
// to the following files

// car.hpp
// Add the following function to the SmarCar object
  int get_id(void)
  {
    return id_;
  }

  void set_id(int val)
  {
    id_ = val;
  }
  
// add this variable to the private variables of SmartCar
  int id_;
  
//traffic.cpp
// Modify the addCop and addGangster methods
int justine::robocar::Traffic::addCop ( CarLexer& cl )
{
  std::shared_ptr<CopCar> c;

  c = std::make_shared<CopCar> ( *this, cl.get_guided(), cl.get_name() );

//TODO majd ráér később inicializálni, hogy ne lassítsa a szimulációt
  c->init();

  cars.push_back ( c );
  m_cop_cars.push_back ( c );

  int id {0};
  do
    {
      id = std::rand();
    }
  while ( m_smart_cars_map.find ( id ) != m_smart_cars_map.end() );

  c->set_id(id);

  m_smart_cars_map[id] = c;

  return id;
}

int justine::robocar::Traffic::addGangster ( CarLexer& cl )
{
  std::shared_ptr<SmartCar> c;

  c = std::make_shared<SmartCar> ( *this, CarType::GANGSTER, cl.get_guided() );

//TODO majd ráér később inicializálni, hogy ne lassítsa a szimulációt
  c->init();

  cars.push_back ( c );
  m_smart_cars.push_back ( c );

  int id {0};
  do
    {
      id = std::rand();
    }
  while ( m_smart_cars_map.find ( id ) != m_smart_cars_map.end() );

  c->set_id(id);

  m_smart_cars_map[id] = c;

  return id;
}

//traffic.cpp
//around line 230

// in method cmd_session
// REPLACE THIS!!!:
if ( c->get_type() == CarType::GANGSTER )
{
                          length += std::sprintf ( data+length,
                                                   "<OK %d %u %u %u>", cl->get_id(), c->from(),
                                                   c->to_node(), c->get_step() );

// WITH THIS
if ( c->get_type() == CarType::GANGSTER )
{
length += std::sprintf ( data+length,
                                                   "<OK %d %u %u %u>", c->get_id(), c->from(),
                                                   c->to_node(), c->get_step() );