////  ClientTraitsHandler.h//  libraries/avatars/src////  Created by Stephen Birarda on 7/30/18.//  Copyright 2018 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_ClientTraitsHandler_h#define hifi_ClientTraitsHandler_h #include <QtCore/QSharedPointer> #include <ReceivedMessage.h> #include "AssociatedTraitValues.h"#include "Node.h" class AvatarData; class ClientTraitsHandler : public QObject {    Q_OBJECTpublic:    ClientTraitsHandler(AvatarData* owningAvatar);     int sendChangedTraitsToMixer();     bool hasChangedTraits() const { return _hasChangedTraits; }     void markTraitUpdated(AvatarTraits::TraitType updatedTrait);    void markInstancedTraitUpdated(AvatarTraits::TraitType traitType, QUuid updatedInstanceID);    void markInstancedTraitDeleted(AvatarTraits::TraitType traitType, QUuid deleteInstanceID);     void resetForNewMixer(); public slots:    void processTraitOverride(QSharedPointer<ReceivedMessage> message, SharedNodePointer sendingNode); private:    using Mutex = std::recursive_mutex;    using Lock = std::lock_guard<Mutex>;     enum ClientTraitStatus {        Unchanged,        Updated,        Deleted    };     AvatarData* const _owningAvatar;     Mutex _traitLock;    AvatarTraits::AssociatedTraitValues<ClientTraitStatus, Unchanged> _traitStatuses;     AvatarTraits::TraitVersion _currentTraitVersion { AvatarTraits::DEFAULT_TRAIT_VERSION };    AvatarTraits::TraitVersion _currentSkeletonVersion { AvatarTraits::NULL_TRAIT_VERSION };        bool _shouldPerformInitialSend { false };    bool _hasChangedTraits { false };}; #endif // hifi_ClientTraitsHandler_h