simulatoremulated.cpp

// SPDX-FileCopyrightText: Copyright (C) 2017 swift Project Community / Contributors
// SPDX-License-Identifier: GPL-3.0-or-later OR LicenseRef-swift-pilot-client-1
 
#include "simulatoremulated.h"
 
#include <QApplication>
#include <QPointer>
#include <QTimer>
 
#include "core/context/contextsimulator.h"
#include "gui/guiapplication.h"
#include "misc/aviation/altitude.h"
#include "misc/math/mathutils.h"
#include "misc/simulation/simulatorplugininfo.h"
 
using namespace swift::gui;
using namespace swift::misc;
using namespace swift::misc::aviation;
using namespace swift::misc::physical_quantities;
using namespace swift::misc::geo;
using namespace swift::misc::network;
using namespace swift::misc::math;
using namespace swift::misc::simulation;
using namespace swift::misc::simulation::settings;
using namespace swift::core;
using namespace swift::core::context;
 
namespace swift::simplugin::emulated
{
    CSimulatorEmulated::CSimulatorEmulated(const CSimulatorPluginInfo &info, IOwnAircraftProvider *ownAircraftProvider,
                                           IRemoteAircraftProvider *remoteAircraftProvider,
                                           IClientProvider *clientProvider, QObject *parent)
        : CSimulatorPluginCommon(info, ownAircraftProvider, remoteAircraftProvider, clientProvider, parent)
    {
        Q_ASSERT_X(sApp && sApp->getIContextSimulator(), Q_FUNC_INFO, "Need context");
 
        CSimulatorEmulated::registerHelp();
        this->onSettingsChanged(); // init from settings
 
        m_myAircraft = this->getOwnAircraft(); // sync with provider
        m_monitorWidget = new CSimulatorEmulatedMonitorDialog(this, CGuiApplication::mainApplicationWidget());
 
        connect(qApp, &QApplication::aboutToQuit, this, &CSimulatorEmulated::closeMonitor);
        connect(sGui, &CGuiApplication::aboutToShutdown, this, &CSimulatorEmulated::closeMonitor, Qt::QueuedConnection);
        connect(&m_interpolatorFetchTimer, &QTimer::timeout, this, &CSimulatorEmulated::updateRemoteAircraft);
 
        // connect own signals for monitoring
        this->connectOwnSignals();
    }
 
    CSimulatorEmulated::~CSimulatorEmulated()
    {
        if (m_monitorWidget)
        {
            // if the widget still exists, close and delete it
            m_monitorWidget->close();
            m_monitorWidget->deleteLater();
            m_monitorWidget.clear();
        }
    }
 
    bool CSimulatorEmulated::connectTo()
    {
        const QPointer<CSimulatorEmulated> myself(this);
        QTimer::singleShot(1000, this, [=, this] {
            if (myself.isNull() || !sGui || sGui->isShuttingDown())
            {
                return;
            }
            this->emitSimulatorCombinedStatus();
            m_monitorWidget->show();
            CGuiApplication::modalWindowToFront();
        });
 
        if (canLog())
        {
            m_monitorWidget->appendReceivingCall(Q_FUNC_INFO);
        }
        return true;
    }
 
    bool CSimulatorEmulated::disconnectFrom()
    {
        if (canLog())
        {
            m_monitorWidget->appendReceivingCall(Q_FUNC_INFO);
        }
        m_renderedAircraft.clear();
        return CSimulatorPluginCommon::disconnectFrom();
    }
 
    void CSimulatorEmulated::unload()
    {
        if (canLog())
        {
            m_monitorWidget->appendReceivingCall(Q_FUNC_INFO);
        }
        CSimulatorPluginCommon::unload();
    }
 
    bool CSimulatorEmulated::logicallyAddRemoteAircraft(const CSimulatedAircraft &remoteAircraft)
    {
        if (canLog())
        {
            m_monitorWidget->appendReceivingCall(Q_FUNC_INFO, remoteAircraft.toQString());
        }
        return ISimulator::logicallyAddRemoteAircraft(remoteAircraft);
    }
 
    bool CSimulatorEmulated::logicallyRemoveRemoteAircraft(const CCallsign &callsign)
    {
        if (canLog())
        {
            m_monitorWidget->appendReceivingCall(Q_FUNC_INFO, callsign.toQString());
        }
        return ISimulator::logicallyRemoveRemoteAircraft(callsign);
    }
 
    int CSimulatorEmulated::physicallyRemoveMultipleRemoteAircraft(const CCallsignSet &callsigns)
    {
        if (canLog()) m_monitorWidget->appendReceivingCall(Q_FUNC_INFO, callsigns.toQString());
        return ISimulator::physicallyRemoveMultipleRemoteAircraft(callsigns);
    }
 
    bool CSimulatorEmulated::changeRemoteAircraftModel(const CSimulatedAircraft &aircraft)
    {
        if (canLog())
        {
            m_monitorWidget->appendReceivingCall(Q_FUNC_INFO, aircraft.toQString());
        }
        return ISimulator::changeRemoteAircraftEnabled(aircraft);
    }
 
    bool CSimulatorEmulated::changeRemoteAircraftEnabled(const CSimulatedAircraft &aircraft)
    {
        if (canLog())
        {
            m_monitorWidget->appendReceivingCall(Q_FUNC_INFO, aircraft.toQString());
        }
        return ISimulator::changeRemoteAircraftEnabled(aircraft);
    }
 
    bool CSimulatorEmulated::updateOwnSimulatorCockpit(const CSimulatedAircraft &aircraft,
                                                       const CIdentifier &originator)
    {
        if (canLog())
        {
            m_monitorWidget->appendReceivingCall(Q_FUNC_INFO, aircraft.toQString(), originator.toQString());
        }
        if (originator == identifier())
        {
            return false;
        } // myself
 
        CSimulatedAircraft a = aircraft;
 
        // only use the frequencies, not active transmit/receive
        CComSystem com1 = m_myAircraft.getCom1System();
        CComSystem com2 = m_myAircraft.getCom2System();
        com1.setFrequencyActive(aircraft.getCom1System().getFrequencyActive());
        com2.setFrequencyActive(aircraft.getCom2System().getFrequencyActive());
        com1.setFrequencyStandby(aircraft.getCom1System().getFrequencyStandby());
        com2.setFrequencyStandby(aircraft.getCom2System().getFrequencyStandby());
        a.setCom1System(com1);
        a.setCom2System(com2);
 
        m_myAircraft.setCockpit(a);
        emit this->internalAircraftChanged();
        return true;
    }
 
    bool CSimulatorEmulated::updateOwnSimulatorSelcal(const CSelcal &selcal, const CIdentifier &originator)
    {
        if (canLog())
        {
            m_monitorWidget->appendReceivingCall(Q_FUNC_INFO, selcal.toQString(), originator.toQString());
        }
        if (originator == identifier())
        {
            return false;
        } // myself
        if (m_myAircraft.getSelcal() == selcal)
        {
            return false;
        }
        m_myAircraft.setSelcal(selcal);
        emit this->internalAircraftChanged();
        return true;
    }
 
    void CSimulatorEmulated::displayStatusMessage(const CStatusMessage &message) const
    {
        if (!canDisplay())
        {
            return;
        }
        if (canLog())
        {
            m_monitorWidget->appendReceivingCall(Q_FUNC_INFO, message.toQString());
        }
        m_monitorWidget->displayStatusMessage(message);
    }
 
    void CSimulatorEmulated::displayTextMessage(const CTextMessage &message) const
    {
        if (!canDisplay())
        {
            return;
        }
        if (canLog()) m_monitorWidget->appendReceivingCall(Q_FUNC_INFO, message.toQString());
        m_monitorWidget->displayTextMessage(message);
    }
 
    bool CSimulatorEmulated::isPhysicallyRenderedAircraft(const CCallsign &callsign) const
    {
        if (canLog()) m_monitorWidget->appendReceivingCall(Q_FUNC_INFO, callsign.toQString());
        return m_renderedAircraft.containsCallsign(callsign);
    }
 
    CCallsignSet CSimulatorEmulated::physicallyRenderedAircraft() const
    {
        if (canLog())
        {
            m_monitorWidget->appendReceivingCall(Q_FUNC_INFO);
        }
        return m_renderedAircraft.getCallsigns();
    }
 
    CStatusMessageList CSimulatorEmulated::getInterpolationMessages(const CCallsign &callsign) const
    {
        if (canLog())
        {
            m_monitorWidget->appendReceivingCall(Q_FUNC_INFO);
        }
        if (!m_interpolators.contains(callsign))
        {
            return {};
        }
        const CInterpolationAndRenderingSetupPerCallsign setup =
            this->getInterpolationSetupPerCallsignOrDefault(callsign); // threadsafe copy
        return m_interpolators[callsign]->getInterpolationMessages(setup.getInterpolatorMode());
    }
 
    bool CSimulatorEmulated::testSendSituationAndParts(const CCallsign &callsign, const CAircraftSituation &situation,
                                                       const CAircraftParts &parts)
    {
        if (!m_renderedAircraft.containsCallsign(callsign))
        {
            return false;
        }
        m_renderedAircraft.setAircraftSituation(callsign, situation);
        m_renderedAircraft.setAircraftPartsSynchronized(callsign, parts);
        return true;
    }
 
    bool CSimulatorEmulated::requestElevation(const ICoordinateGeodetic &reference, const CCallsign &callsign)
    {
        const bool hasRequested = CSimulatorPluginCommon::requestElevation(reference, callsign);
        if (hasRequested || !m_enablePseudoElevation)
        {
            return hasRequested;
        }
 
        // For TESTING purposes ONLY
        // we could not request elevation, so we provide a random value or set value
        CElevationPlane elv(reference, CElevationPlane::singlePointRadius());
        if (m_pseudoElevation.isNull())
        {
            const double elvRnd = CMathUtils::randomDouble(1000);
            const CAltitude alt(elvRnd, CLengthUnit::ft());
            elv.setGeodeticHeight(alt);
        }
        else
        {
            elv.setGeodeticHeight(m_pseudoElevation);
        }
 
        QPointer<CSimulatorEmulated> myself(this);
        QTimer::singleShot(444, this, [=, this] {
            if (!myself)
            {
                return;
            }
 
            // updates in providers and emits signal
            ISimulator::callbackReceivedRequestedElevation(elv, callsign, false);
        });
 
        emit this->requestedElevation(callsign);
        return true;
    }
 
    bool CSimulatorEmulated::parseCommandLine(const QString &commandLine, const CIdentifier &originator)
    {
        if (canLog())
        {
            m_monitorWidget->appendReceivingCall(Q_FUNC_INFO, commandLine, originator.toQString());
        }
        return CSimulatorPluginCommon::parseCommandLine(commandLine, originator);
    }
 
    // cppcheck-suppress duplInheritedMember
    void CSimulatorEmulated::registerHelp()
    {
        if (CSimpleCommandParser::registered("swift::simplugin::emulated::CSimulatorEmulated"))
        {
            return;
        }
        CSimpleCommandParser::registerCommand({ ".drv", "alias: .driver .plugin" });
        CSimpleCommandParser::registerCommand({ ".drv show", "show emulated driver window" });
        CSimpleCommandParser::registerCommand({ ".drv hide", "hide emulated driver window" });
    }
 
    void CSimulatorEmulated::setCombinedStatus(bool connected, bool simulating, bool paused)
    {
        m_connected = connected;
        m_simulating = simulating;
        m_paused = paused;
        this->emitSimulatorCombinedStatus();
    }
 
    CSimulatorInfo CSimulatorEmulated::getEmulatedSimulator() const
    {
        return m_pluginSettings.get().getEmulatedSimulator();
    }
 
    bool CSimulatorEmulated::changeInternalCom(const CSimulatedAircraft &aircraft)
    {
        bool changed = false;
        if (aircraft.getCom1System() != m_myAircraft.getCom1System())
        {
            changed = true;
        }
        if (aircraft.getCom2System() != m_myAircraft.getCom2System())
        {
            changed = true;
        }
        if (aircraft.getTransponder() != m_myAircraft.getTransponder())
        {
            changed = true;
        }
        if (aircraft.getSelcal() != m_myAircraft.getSelcal())
        {
            changed = true;
        }
 
        if (!changed)
        {
            return false;
        }
        m_myAircraft.setCockpit(aircraft);
        return this->updateCockpit(aircraft, this->identifier());
    }
 
    bool CSimulatorEmulated::changeInternalCom(const CComSystem &comSystem, CComSystem::ComUnit unit)
    {
        if (m_myAircraft.getComSystem(unit) == comSystem)
        {
            return false;
        }
        m_myAircraft.setComSystem(comSystem, unit);
        const bool c = this->updateCockpit(m_myAircraft, this->identifier());
        if (c)
        {
            emit this->internalAircraftChanged();
        }
        return c;
    }
 
    bool CSimulatorEmulated::changeInternalSelcal(const CSelcal &selcal)
    {
        if (m_myAircraft.getSelcal() == selcal)
        {
            return false;
        }
        m_myAircraft.setSelcal(selcal);
        return this->updateSelcal(selcal, identifier());
    }
 
    bool CSimulatorEmulated::changeInternalSituation(const CAircraftSituation &situation)
    {
        if (m_myAircraft.getSituation() == situation)
        {
            return false;
        }
        m_myAircraft.setSituation(situation);
 
        return this->updateOwnSituationAndGroundElevation(situation);
    }
 
    bool CSimulatorEmulated::changeInternalParts(const CAircraftParts &parts)
    {
        if (m_myAircraft.getParts() == parts)
        {
            return false;
        }
        m_myAircraft.setParts(parts);
        return this->updateOwnParts(parts);
    }
 
    bool CSimulatorEmulated::setInterpolatorFetchTime(int timeMs)
    {
        if (timeMs < 1)
        {
            m_interpolatorFetchTimer.stop();
        }
        else
        {
            m_interpolatorFetchTimer.start(timeMs);
        }
        return m_interpolatorFetchTimer.isActive();
    }
 
    bool CSimulatorEmulated::isInterpolatorFetching() const { return m_interpolatorFetchTimer.isActive(); }
 
    bool CSimulatorEmulated::isConnected() const
    {
        if (canLog())
        {
            m_monitorWidget->appendReceivingCall(Q_FUNC_INFO);
        }
        return m_connected;
    }
 
    bool CSimulatorEmulated::isPaused() const
    {
        if (canLog())
        {
            m_monitorWidget->appendReceivingCall(Q_FUNC_INFO);
        }
        return m_paused;
    }
 
    bool CSimulatorEmulated::isSimulating() const
    {
        if (canLog())
        {
            m_monitorWidget->appendReceivingCall(Q_FUNC_INFO);
        }
        return m_simulating;
    }
 
    bool CSimulatorEmulated::physicallyAddRemoteAircraft(const CSimulatedAircraft &remoteAircraft)
    {
        if (canLog())
        {
            m_monitorWidget->appendReceivingCall(Q_FUNC_INFO, remoteAircraft.toQString());
        }
        CSimulatedAircraft aircraft(remoteAircraft);
        aircraft.setRendered(true);
        const CCallsign cs = aircraft.getCallsign();
        m_interpolators.insert(
            cs, CInterpolatorMultiWrapper(cs, this, this, this->getRemoteAircraftProvider(), &m_interpolationLogger));
 
        this->logAddingAircraftModel(aircraft);
        m_renderedAircraft.push_back(aircraft); // my simulator list
        this->updateAircraftRendered(cs, true); // in provider
        emit this->aircraftRenderingChanged(aircraft);
 
        // debugging/logging (just here for debugging purposes)
        const CAircraftModel networkModel = remoteAircraft.getNetworkModel();
        const CAircraftModel currentModel = remoteAircraft.getModel();
        Q_UNUSED(networkModel)
        Q_UNUSED(currentModel)
 
        return true;
    }
 
    bool CSimulatorEmulated::physicallyRemoveRemoteAircraft(const CCallsign &callsign)
    {
        if (canLog())
        {
            m_monitorWidget->appendReceivingCall(Q_FUNC_INFO, callsign.toQString());
        }
        m_interpolators.remove(callsign);
        const int c = m_renderedAircraft.removeByCallsign(callsign);
        this->updateAircraftRendered(callsign, false); // in provider
        CSimulatorPluginCommon::physicallyRemoveRemoteAircraft(callsign);
        return c > 0;
    }
 
    int CSimulatorEmulated::physicallyRemoveAllRemoteAircraft()
    {
        if (canLog())
        {
            m_monitorWidget->appendReceivingCall(Q_FUNC_INFO);
        }
        return ISimulator::physicallyRemoveAllRemoteAircraft();
    }
 
    bool CSimulatorEmulated::parseDetails(const CSimpleCommandParser &parser)
    {
        if (m_monitorWidget && parser.isKnownCommand())
        {
            if (parser.matchesPart(1, "show"))
            {
                m_monitorWidget->show();
                return true;
            }
            if (parser.matchesPart(1, "hide"))
            {
                m_monitorWidget->hide();
                return true;
            }
        }
        return CSimulatorPluginCommon::parseDetails(parser);
    }
 
    void CSimulatorEmulated::setObjectName(const CSimulatorInfo &info)
    {
        QObject::setObjectName("Emulated driver for " + info.toQString());
        m_interpolatorFetchTimer.setObjectName(this->objectName() + ":interpolatorFetchTimer");
    }
 
    bool CSimulatorEmulated::canLog() const { return this->canDisplay() && m_log; }
 
    bool CSimulatorEmulated::canDisplay() const { return sApp && !sApp->isShuttingDown() && m_monitorWidget; }
 
    void CSimulatorEmulated::closeMonitor()
    {
        if (m_monitorWidget)
        {
            m_monitorWidget->close();
        }
    }
 
    void CSimulatorEmulated::onSettingsChanged()
    {
        if (!sApp || sApp->isShuttingDown())
        {
            return;
        }
        const CSwiftPluginSettings settings(m_pluginSettings.get());
        m_log = settings.isLoggingFunctionCalls();
 
        CSimulatorInfo simulator = settings.getEmulatedSimulator();
        if (!simulator.isSingleSimulator())
        {
            // this will always be the same
            simulator = CSimulatorInfo::guessDefaultSimulator();
        }
        Q_ASSERT_X(simulator.isSingleSimulator(), Q_FUNC_INFO, "need single simulator");
 
        const CSimulatorPluginInfoList plugins = sApp->getIContextSimulator()->getAvailableSimulatorPlugins();
        const CSimulatorPluginInfo plugin = plugins.findBySimulator(simulator);
 
        if (plugin.isValid())
        {
            // ? restart driver, disconnect/reconnect
            this->setNewPluginInfo(plugin, m_multiSettings.getSettings(simulator), settings.getDefaultModel());
        }
        else
        {
            // not all drivers are installed, like FS9/FSX on x64
            CLogMessage(this).validationError(u"No valid plugin in emulated driver for '%1'") << simulator.toQString();
            const QString sn = simulator.toQString(true);
            const CSimulatorPluginInfo fakedPlugin =
                CSimulatorPluginInfo(CSimulatorPluginInfo::identifierFromSimulatorInfo(simulator), sn, sn,
                                     QStringLiteral("Emulated, but uninstalled '%1'").arg(sn), false);
            this->setNewPluginInfo(fakedPlugin, m_multiSettings.getSettings(simulator), settings.getDefaultModel());
        }
 
        // update provider, own name, title
        this->updateOwnModel(settings.getOwnModel());
        this->setObjectName(simulator);
        m_interpolationLogger.setObjectName("Logger (emulated driver): " + simulator.toQString());
 
        if (m_monitorWidget)
        {
            m_monitorWidget->updateWindowTitleAndUiValues(simulator);
        }
    }
 
    void CSimulatorEmulated::connectOwnSignals()
    {
        m_connectionGuard.append(connect(
            this, &ISimulator::simulatorStatusChanged, this,
            [=, this](SimulatorStatus status) {
                if (!m_monitorWidget) return;
                m_monitorWidget->appendSendingCall("simulatorStatusChanged",
                                                   CSimulatorEmulated::statusToString(status));
            },
            Qt::QueuedConnection));
 
        m_connectionGuard.append(connect(
            this, &ISimulator::ownAircraftModelChanged, this,
            [=, this](const CAircraftModel &model) {
                if (!m_monitorWidget) return;
                m_monitorWidget->appendSendingCall("ownAircraftModelChanged", model.toQString());
            },
            Qt::QueuedConnection));
 
        m_connectionGuard.append(connect(
            this, &ISimulator::renderRestrictionsChanged, this,
            [=, this](bool restricted, bool enabled, int maxAircraft, const CLength &maxRenderedDistance) {
                if (!m_monitorWidget) return;
                static const QString params("restricted: %1 enabled: %2 max aircraft: %3");
                m_monitorWidget->appendSendingCall(
                    "renderRestrictionsChanged",
                    params.arg(boolToYesNo(restricted), boolToYesNo(enabled)).arg(maxAircraft),
                    maxRenderedDistance.valueRoundedWithUnit(CLengthUnit::m(), 1));
            },
            Qt::QueuedConnection));
 
        m_connectionGuard.append(connect(
            this, &ISimulator::interpolationAndRenderingSetupChanged, this,
            [=, this]() {
                if (!m_monitorWidget) return;
                m_monitorWidget->appendSendingCall("interpolationAndRenderingSetupChanged");
            },
            Qt::QueuedConnection));
 
        m_connectionGuard.append(connect(
            this, &ISimulator::aircraftRenderingChanged, this,
            [=, this](const CSimulatedAircraft &aircraft) {
                if (!m_monitorWidget) return;
                m_monitorWidget->appendSendingCall("aircraftRenderingChanged", aircraft.toQString());
            },
            Qt::QueuedConnection));
 
        m_connectionGuard.append(connect(
            this, &ISimulator::physicallyAddingRemoteModelFailed, this,
            [=, this](const CSimulatedAircraft &aircraft) {
                if (!m_monitorWidget) return;
                m_monitorWidget->appendSendingCall("physicallyAddingRemoteModelFailed", aircraft.toQString());
            },
            Qt::QueuedConnection));
 
        m_connectionGuard.append(connect(
            this, &ISimulator::airspaceSnapshotHandled, this,
            [=, this] {
                if (!m_monitorWidget) return;
                m_monitorWidget->appendSendingCall("airspaceSnapshotHandled");
            },
            Qt::QueuedConnection));
    }
 
    void CSimulatorEmulated::updateRemoteAircraft()
    {
        const qint64 now = QDateTime::currentMSecsSinceEpoch();
        const bool updateAllAircraft = this->isUpdateAllRemoteAircraft(now);
        uint32_t aircraftNumber = 0;
 
        for (const CSimulatedAircraft &aircraft : m_renderedAircraft)
        {
            const CCallsign callsign = aircraft.getCallsign();
            if (!m_interpolators.contains(callsign))
            {
                continue;
            }
            const CInterpolationAndRenderingSetupPerCallsign setup =
                this->getInterpolationSetupConsolidated(callsign, updateAllAircraft);
            CInterpolatorMulti *im = m_interpolators[callsign];
            Q_ASSERT_X(im, Q_FUNC_INFO, "interpolator missing");
            const CInterpolationResult result = im->getInterpolation(now, setup, aircraftNumber++);
            const CAircraftSituation s = result;
            const CAircraftParts p = result;
            m_countInterpolatedParts++;
            m_countInterpolatedSituations++;
            Q_UNUSED(s)
            Q_UNUSED(p)
        }
 
        this->finishUpdateRemoteAircraftAndSetStatistics(now);
    }
 
    CSimulatorEmulatedListener::CSimulatorEmulatedListener(const CSimulatorPluginInfo &info) : ISimulatorListener(info)
    {}
 
    void CSimulatorEmulatedListener::startImpl()
    {
        if (this->isShuttingDown())
        {
            return;
        }
        const QPointer<CSimulatorEmulatedListener> myself(this);
        QTimer::singleShot(2000, this, [=, this] {
            if (!myself)
            {
                return;
            }
            Q_ASSERT_X(this->getPluginInfo().isValid(), Q_FUNC_INFO, "Invalid plugin");
            emit this->simulatorStarted(this->getPluginInfo());
        });
    }
 
    void CSimulatorEmulatedListener::stopImpl() {}
 
    void CSimulatorEmulatedListener::checkImpl() { this->startImpl(); }
} // namespace swift::simplugin::emulated