自学教程：C++ updateObject函数代码示例

void Scene::update() {	if (player) {		updateObject(*player);	}		for(auto &object : m_objects) updateObject(object);}

/** * Processes queue events */static void processObjEvent(UAVObjEvent * ev){    UAVObjMetadata metadata;    UAVObjUpdateMode updateMode;    FlightTelemetryStatsData flightStats;    int32_t retries;    int32_t success;    if (ev->obj == 0) {        updateTelemetryStats();    } else if (ev->obj == GCSTelemetryStatsHandle()) {        gcsTelemetryStatsUpdated();    } else {        // Only process event if connected to GCS or if object FlightTelemetryStats is updated        FlightTelemetryStatsGet(&flightStats);        // Get object metadata        UAVObjGetMetadata(ev->obj, &metadata);        updateMode = UAVObjGetTelemetryUpdateMode(&metadata);        if (flightStats.Status == FLIGHTTELEMETRYSTATS_STATUS_CONNECTED || ev->obj == FlightTelemetryStatsHandle()) {            // Act on event            retries = 0;            success = -1;            if (ev->event == EV_UPDATED || ev->event == EV_UPDATED_MANUAL || ((ev->event == EV_UPDATED_PERIODIC) && (updateMode != UPDATEMODE_THROTTLED))) {                // Send update to GCS (with retries)                while (retries < MAX_RETRIES && success == -1) {                    success = UAVTalkSendObject(uavTalkCon, ev->obj, ev->instId, UAVObjGetTelemetryAcked(&metadata), REQ_TIMEOUT_MS);	// call blocks until ack is received or timeout                    ++retries;                }                // Update stats                txRetries += (retries - 1);                if (success == -1) {                    ++txErrors;                }            } else if (ev->event == EV_UPDATE_REQ) {                // Request object update from GCS (with retries)                while (retries < MAX_RETRIES && success == -1) {                    success = UAVTalkSendObjectRequest(uavTalkCon, ev->obj, ev->instId, REQ_TIMEOUT_MS);	// call blocks until update is received or timeout                    ++retries;                }                // Update stats                txRetries += (retries - 1);                if (success == -1) {                    ++txErrors;                }            }            // If this is a metaobject then make necessary telemetry updates            if (UAVObjIsMetaobject(ev->obj)) {                updateObject(UAVObjGetLinkedObj(ev->obj), EV_NONE);	// linked object will be the actual object the metadata are for            }        }        if((updateMode == UPDATEMODE_THROTTLED) && !UAVObjIsMetaobject(ev->obj)) {            // If this is UPDATEMODE_THROTTLED, the event mask changes on every event.            updateObject(ev->obj, ev->event);        }    }}

ObjectWidget::ObjectWidget(const SceneObject& object, QWidget* parent) : DockWidget(object, parent),  objectRenderer(Document::document->getSimulation(), object.name.toAscii().constData()), objectGlWidget(0),  showSensorsAct(0), showDrawingsAct(0){  connect(Document::document, SIGNAL(updatedSceneGraph()), this, SLOT(updateObject()));  connect(Document::document, SIGNAL(restoreLayoutSignal()), this, SLOT(restoreLayout()));  connect(Document::document, SIGNAL(writeLayoutSignal()), this, SLOT(writeLayout()));  connect(Document::document, SIGNAL(updateViewsSignal()), this, SLOT(updateView()));  updateObject();}

void LevelOneScreen::update(){		checkInput();	//Update the player and monsters.	updateObject();	_camera.setPosition(_level->getCameraPos(_player->getPosition(),_screenSize, _camera.getScale()));	_camera.update();	if (_needToDrawGoal) {				glm::vec2 centerPos = _player->calculatePositionInGrid();		if (_level->getSymbol((int)centerPos.x, (int)centerPos.y) == '#') {			_player->setReachedState(true);			_currentState = MasaEngine::ScreenState::CHANGE_NEXT;		}	}	if ((int)_monsters.size() == 0 && !_needToDrawGoal) {		_needToDrawGoal = true;		MasaEngine::SoundEffect openDoor = _audioEngine.loadSoundEffect("Sound/openDoor.ogg");		openDoor.play();	}}

void IconStorage::insertAutoIcon(QObject *AObject, const QString &AKey, int AIndex, int AAnimate, const QString &AProperty){	IconStorage *oldStorage = FObjectStorage.value(AObject);	if (oldStorage!=NULL && oldStorage!=this)		oldStorage->removeAutoIcon(AObject);	if (AObject!=NULL && !AKey.isEmpty())	{		IconUpdateParams *params;		if (oldStorage!=this)		{			params = new IconUpdateParams;			FObjectStorage.insert(AObject,this);			FUpdateParams.insert(AObject,params);		}		else		{			params = FUpdateParams.value(AObject);		}		params->key = AKey;		params->index = AIndex;		params->prop = AProperty;		params->animate = AAnimate;		initAnimation(AObject,params);		updateObject(AObject);		connect(AObject,SIGNAL(destroyed(QObject *)),SLOT(onObjectDestroyed(QObject *)));	}	else if (AObject!=NULL)	{		removeAutoIcon(AObject);	}}

void gProjectCore::updateObjects(const QString &host,const QString &dbName,const QStringList &selObjects,                                 const gListSQlObjts &,gObjectDBType objType){    QChar separator=QDir::separator();    QDir dir(path+separator+name+separator+host+separator+dbName);    dir.cd(getDirNameByObjType(objType));    QStringList objFiles=dir.entryList(QStringList()<<"*.sql",QDir::Files,QDir::Name);    objFiles.replaceInStrings(".sql","");    for (int i=0;i<selObjects.count();i++){        QString objName=selObjects.at(i);        int index=objFiles.indexOf(objName);        if (index>-1){            updateObject(host,dbName,objName,objType);            objFiles.removeAt(index);        }else{            gConnection *connection=connections.findDBByHostDB(host,dbName);            if (!connection)                return;            QByteArray objText=connection->getObjText(objName,objType);            QFile file(dir.path()+"/"+objName+".sql");            if (file.open(QIODevice::WriteOnly)){                file.write(objText);                emit sigAddObj(host,dbName,objName,objType);                file.close();            }        }    }    for (int i=0;i<objFiles.count();i++){        removeObject(host,dbName,objFiles.at(i),objType);    }}

Status Editor::setObject(Object* newObject){    if (newObject == nullptr)    {        Q_ASSERT(false);        return Status::INVALID_ARGUMENT;    }    if (newObject == mObject.get())    {        return Status::SAFE;    }    clearUndoStack();    mObject.reset(newObject);    for (BaseManager* m : mAllManagers)    {        m->load(mObject.get());    }    g_clipboardVectorImage.setObject(newObject);    updateObject();    if (mViewManager)    {        connect(newObject, &Object::layerViewChanged, mViewManager, &ViewManager::viewChanged);    }    emit objectLoaded();    return Status::OK;}

/** * Register a new object, adds object to local list and connects the queue depending on the object's * telemetry settings. * /param[in] obj Object to connect */static void registerObject(UAVObjHandle obj){	if (UAVObjIsMetaobject(obj)) {		/* Only connect change notifications for meta objects.  No periodic updates */		UAVObjConnectQueue(obj, priorityQueue, EV_MASK_ALL_UPDATES);		return;	} else {		UAVObjMetadata metadata;		UAVObjUpdateMode updateMode;		UAVObjGetMetadata(obj, &metadata);		updateMode = UAVObjGetTelemetryUpdateMode(&metadata);		/* Only create a periodic event for objects that are periodic */		if ((updateMode == UPDATEMODE_PERIODIC) ||			(updateMode == UPDATEMODE_THROTTLED)) {			// Setup object for periodic updates			UAVObjEvent ev = {				.obj    = obj,				.instId = UAVOBJ_ALL_INSTANCES,				.event  = EV_UPDATED_PERIODIC,			};			EventPeriodicQueueCreate(&ev, queue, 0);		}		// Setup object for telemetry updates		updateObject(obj, EV_NONE);	}

void Object::mergeBoundingBox(const BoundingBox &box){	int x1, y1, x2, y2;	if( box.topLeft.getX() < lastImageTopLeftX) {		x1 = box.topLeft.getX();	} else {		x1 = lastImageTopLeftX;	}	if( box.topLeft.getY() < lastImageTopLeftY) {		y1 = box.topLeft.getY();	} else {		y1 = lastImageTopLeftY;	}	if( (box.topLeft.getX() + box.width) > (lastImageTopLeftX + lastImageWidth)) {		x2 = (box.topLeft.getX() + box.width);	} else {		x2 = (lastImageTopLeftX + lastImageWidth);	}	if( (box.topLeft.getY() + box.height) > (lastImageTopLeftY + lastImageHeight)) {		y2 = (box.topLeft.getY() + box.height);	} else {		y2 = (lastImageTopLeftY + lastImageHeight);	}	bool lastSeen = lastImageSeen;	updateObject( x1, y1, (x2 - x1), (y2 - y1));	lastImageSeen = lastSeen;}

void MeshInfo::on_chkDoubleSide_toggled(bool checked){    if (checked)    {    }    updateObject();}

/** * Register a new object, adds object to local list and connects the queue depending on the object's * telemetry settings. * /param[in] obj Object to connect */static void registerObject(UAVObjHandle obj){	// Setup object for periodic updates	addObject(obj);	// Setup object for telemetry updates	updateObject(obj);}

/** * Register a new object for periodic updates (if enabled) */void Telemetry::registerObject(UAVObject* obj){    // Setup object for periodic updates    addObject(obj);    // Setup object for telemetry updates    updateObject(obj);}

void TweenInfo::on_chkPlayAtStart_toggled(bool checked){    if (checked)    {    }    updateObject();}

void MaterialInfo::on_txtAlphaTest_valueChanged(double arg1){    if (arg1 > 0.0)    {    }    updateObject();}

void MaterialVar_Matrix::on_txt_3_3_valueChanged(double arg1){    if (arg1)    {    }    updateObject();}