////  ObjectDynamic.h//  libraries/physcis/src////  Created by Seth Alves 2015-6-2//  Copyright 2015 High Fidelity, Inc.//  Copyright 2023 Overte e.V.////  Distributed under the Apache License, Version 2.0.//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html//  SPDX-License-Identifier: Apache-2.0////  http://bulletphysics.org/Bullet/BulletFull/classbtDynamicInterface.html #ifndef hifi_ObjectDynamic_h#define hifi_ObjectDynamic_h #include <QUuid> #include <btBulletDynamicsCommon.h> #include <EntityItemID.h>#include <shared/ReadWriteLockable.h>#include <SpatiallyNestable.h> #include "ObjectMotionState.h"#include "BulletUtil.h"#include <EntityDynamicInterface.h>  class ObjectDynamic : public EntityDynamicInterface, public ReadWriteLockable {public:    ObjectDynamic(EntityDynamicType type, const QUuid& id, EntityItemPointer ownerEntity);    virtual ~ObjectDynamic();     virtual void remapIDs(QHash<EntityItemID, EntityItemID>& map) override;     virtual void removeFromSimulation(EntitySimulationPointer simulation) const override;    virtual EntityItemWeakPointer getOwnerEntity() const override { return _ownerEntity; }    virtual void setOwnerEntity(const EntityItemPointer ownerEntity) override;     virtual void invalidate() {};     virtual bool updateArguments(QVariantMap arguments) override;    virtual QVariantMap getArguments() override;      virtual QByteArray serialize() const override = 0;    virtual void deserialize(QByteArray serializedArguments) override = 0;     virtual bool lifetimeIsOver() override;    virtual quint64 getExpires() override { return _expires; }     virtual QList<btRigidBody*> getRigidBodies(); protected:    quint64 localTimeToServerTime(quint64 timeValue) const;    quint64 serverTimeToLocalTime(quint64 timeValue) const;     btRigidBody* getOtherRigidBody(EntityItemID otherEntityID);    EntityItemPointer getEntityByID(EntityItemID entityID) const;    virtual btRigidBody* getRigidBody();    virtual void activateBody(bool forceActivation = false);    virtual void forceBodyNonStatic();     EntityItemWeakPointer _ownerEntity;    QString _tag;    quint64 _expires { 0 }; // in seconds since epoch     EntityItemID _otherID;    SpatiallyNestableWeakPointer _other;    SpatiallyNestablePointer getOther();    int _otherJointIndex { -1 }; private:    qint64 getEntityServerClockSkew() const;}; typedef std::shared_ptr<ObjectDynamic> ObjectDynamicPointer; #endif // hifi_ObjectDynamic_h