////  OctreePacketProcessor.h//  interface/src/octree////  Created by Brad Hefta-Gaub on 8/12/13.//  Copyright 2013 High Fidelity, Inc.////  Distributed under the Apache License, Version 2.0.//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html// #ifndef hifi_OctreePacketProcessor_h#define hifi_OctreePacketProcessor_h #include <QtCore/QSharedPointer> #include <ReceivedPacketProcessor.h>#include <ReceivedMessage.h> #include "OctreeSceneStats.h"#include "SafeLanding.h" /// Handles processing of incoming voxel packets for the interface application. As with other ReceivedPacketProcessor classes/// the user is responsible for reading inbound packets and adding them to the processing queue by calling queueReceivedPacket()class OctreePacketProcessor : public ReceivedPacketProcessor {    Q_OBJECTpublic:    OctreePacketProcessor();    ~OctreePacketProcessor();     NodeToOctreeSceneStats* getOctreeSceneStats() { return &_octreeServerSceneStats; }    std::atomic<uint32_t>& getFullSceneReceivedCounter() { return _fullSceneReceivedCounter; }     void startSafeLanding();    void updateSafeLanding();    void stopSafeLanding();    void resetSafeLanding();    bool safeLandingIsActive() const;    bool safeLandingIsComplete() const;     float domainLoadingProgress() const { return _safeLanding->loadingProgressPercentage(); } signals:    void packetVersionMismatch(); protected:    virtual void processPacket(QSharedPointer<ReceivedMessage> message, SharedNodePointer sendingNode) override; private slots:    void handleOctreePacket(QSharedPointer<ReceivedMessage> message, SharedNodePointer senderNode); private:    int processOctreeStats(ReceivedMessage& message, SharedNodePointer sendingNode);    void trackIncomingOctreePacket(ReceivedMessage& message, SharedNodePointer sendingNode, bool wasStatsPacket);     NodeToOctreeSceneStats _octreeServerSceneStats;    std::atomic<uint32_t> _fullSceneReceivedCounter { 0 };  // how many times have we received a full-scene octree stats packet     OCTREE_PACKET_SEQUENCE _safeLandingSequenceStart { SafeLanding::INVALID_SEQUENCE };    std::unique_ptr<SafeLanding> _safeLanding;};#endif  // hifi_OctreePacketProcessor_h