C++ ProgressBar::SetStyle方法代码示例

double Simulation::RunBody(double maxSimTime)
{
    //needed to control the execution time PART 1
    //in the case you want to run in no faster than realtime
    //time_t starttime, endtime;
    //time(&starttime);

    //take the current time from the pedestrian
    double t = Pedestrian::GetGlobalTime();

    //frame number. This function can be called many times,
    static int frameNr = (int) (1+t/_deltaT); // Frame Number

    //##########
    //PROBLEMATIC: time when frame should be printed out
    // possibly skipped when using the following lines
    // NEEDS TO BE FIXED!
    int writeInterval = (int) ((1./_fps)/_deltaT+0.5);
    writeInterval = (writeInterval<=0) ? 1 : writeInterval; // mustn't be <= 0
    // ##########

    //process the queue for incoming pedestrians
    //important since the number of peds is used
    //to break the main simulation loop
    ProcessAgentsQueue();
    _nPeds = _building->GetAllPedestrians().size();
    std::cout << "\n";
    std::string description = "Evacutation ";
    ProgressBar *bar = new ProgressBar(_nPeds, description);
    // bar->SetFrequencyUpdate(10);
#ifdef _WINDOWS
    bar->SetStyle("|","-");
#else
    bar->SetStyle("\u2588", "-"); //for linux
#endif
    int initialnPeds = _nPeds;
    // main program loop
    while ((_nPeds || (!_agentSrcManager.IsCompleted()&& _gotSources) ) && t<maxSimTime) {
        t = 0+(frameNr-1)*_deltaT;
        //process the queue for incoming pedestrians
        ProcessAgentsQueue();

        if (t>Pedestrian::GetMinPremovementTime()) {
            //update the linked cells
            _building->UpdateGrid();

            // update the positions
            _operationalModel->ComputeNextTimeStep(t, _deltaT, _building.get(), _periodic);

            //update the events
            _em->ProcessEvent();

            //here we could place router-tasks (calc new maps) that can use multiple cores AND we have 't'
            //update quickestRouter
            if (_routingEngine.get()->GetRouter(ROUTING_FF_QUICKEST)) {
                FFRouter* ffrouter = dynamic_cast<FFRouter*>(_routingEngine.get()->GetRouter(ROUTING_FF_QUICKEST));
                if (ffrouter->MustReInit()) {
                    ffrouter->ReInit();
                    ffrouter->SetRecalc(t);
                }
            }

            //update the routes and locations
            UpdateRoutesAndLocations();

            //other updates
            //someone might have left the building
            _nPeds = _building->GetAllPedestrians().size();
        }

        // update the global time
        Pedestrian::SetGlobalTime(t);

        // write the trajectories
        if (0==frameNr%writeInterval) {
            _iod->WriteFrame(frameNr/writeInterval, _building.get());
        }

        if(!_gotSources && !_periodic && _config->print_prog_bar())
              // Log->ProgressBar(initialnPeds, initialnPeds-_nPeds, t);
              bar->Progressed(initialnPeds-_nPeds);
        else
             if ((!_gotSources) &&
                 ((frameNr < 100 &&  frameNr % 10 == 0) ||
                  (frameNr > 100 &&  frameNr % 100 == 0)))
                  printf("time: %6.2f (%4.0f)  | Agents: %6ld / %d [%4.1f%%]\n",  t , maxSimTime, _nPeds, initialnPeds, (double)(initialnPeds-_nPeds)/initialnPeds*100);


        // needed to control the execution time PART 2
        // time(&endtime);
        // double timeToWait=t-difftime(endtime, starttime);
        // clock_t goal = timeToWait*1000 + clock();
        // while (goal > clock());
        ++frameNr;
    }
    return t;
}