Method processLoadingScreen

source/Gui/MainLoopController.cpp:141–188

}

void MainLoopController::processLoadingScreen()
{
    drawLoadingScreen();

    auto requestedSimState = _persisterFacade->getRequestState(_loadSimRequestId).value();
    if (requestedSimState == PersisterRequestState::Finished) {
        auto const& data = _persisterFacade->fetchReadSimulationData(_loadSimRequestId);
        auto const& deserializedSim = data.deserializedSimulation;
        _simulationFacade->newSimulation(
            deserializedSim.auxiliaryData.timestep, deserializedSim.auxiliaryData.generalSettings, deserializedSim.auxiliaryData.simulationParameters);
        _simulationFacade->setClusteredSimulationData(deserializedSim.mainData);
        _simulationFacade->setStatisticsHistory(deserializedSim.statistics);
        _simulationFacade->setRealTime(deserializedSim.auxiliaryData.realTime);
        Viewport::get().setCenterInWorldPos(deserializedSim.auxiliaryData.center);
        Viewport::get().setZoomFactor(deserializedSim.auxiliaryData.zoom);
        TemporalControlWindow::get().onSnapshot();

        _simulationLoadedTimepoint = std::chrono::steady_clock::now();
        _programState = ProgramState::FadeOutLoadingScreen;
    }
    if (requestedSimState == PersisterRequestState::Error) {
        GenericMessageDialog::get().information("Error", "The default simulation file could not be read.\nAn empty simulation will be created.");

        DeserializedSimulation deserializedSim;
        deserializedSim.auxiliaryData.generalSettings.worldSizeX = 1000;
        deserializedSim.auxiliaryData.generalSettings.worldSizeY = 500;
        deserializedSim.auxiliaryData.timestep = 0;
        deserializedSim.auxiliaryData.zoom = 12.0f;
        deserializedSim.auxiliaryData.center = {500.0f, 250.0f};
        deserializedSim.auxiliaryData.realTime = std::chrono::milliseconds(0);

        _simulationFacade->newSimulation(
            deserializedSim.auxiliaryData.timestep, deserializedSim.auxiliaryData.generalSettings, deserializedSim.auxiliaryData.simulationParameters);
        _simulationFacade->setClusteredSimulationData(deserializedSim.mainData);
        _simulationFacade->setStatisticsHistory(deserializedSim.statistics);
        _simulationFacade->setRealTime(deserializedSim.auxiliaryData.realTime);
        Viewport::get().setCenterInWorldPos(deserializedSim.auxiliaryData.center);
        Viewport::get().setZoomFactor(deserializedSim.auxiliaryData.zoom);
        TemporalControlWindow::get().onSnapshot();

        _simulationLoadedTimepoint = std::chrono::steady_clock::now();
        _programState = ProgramState::FadeOutLoadingScreen;
    }

    OverlayController::get().process();

    std::this_thread::sleep_for(std::chrono::milliseconds(10));
}

void MainLoopController::processFadeOutLoadingScreen()
{