ObjectActionTractor.h

//
//  ObjectActionTractor.h
//  libraries/physics/src
//
//  Created by Seth Alves 2017-5-8
//  Copyright 2017 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_ObjectActionTractor_h
#define hifi_ObjectActionTractor_h
 
#include "ObjectAction.h"
 
class ObjectActionTractor : public ObjectAction {
public:
    ObjectActionTractor(const QUuid& id, EntityItemPointer ownerEntity);
    virtual ~ObjectActionTractor();
 
    virtual bool updateArguments(QVariantMap arguments) override;
    virtual QVariantMap getArguments() override;
 
    virtual void updateActionWorker(float deltaTimeStep) override;
 
    virtual QByteArray serialize() const override;
    virtual void deserialize(QByteArray serializedArguments) override;
 
    virtual bool getTarget(float deltaTimeStep, glm::quat& rotation, glm::vec3& position,
                           glm::vec3& linearVelocity, glm::vec3& angularVelocity,
                           float& linearTimeScale, float& angularTimeScale);
 
protected:
    static const uint16_t tractorVersion;
 
    glm::vec3 _positionalTarget;
    glm::vec3 _desiredPositionalTarget;
    glm::vec3 _lastPositionTarget;
    float _linearTimeScale;
    bool _positionalTargetSet;
    bool _havePositionTargetHistory { false };
 
    glm::quat _rotationalTarget;
    glm::quat _desiredRotationalTarget;
    float _angularTimeScale;
    bool _rotationalTargetSet;
 
    glm::vec3 _linearVelocityTarget;
    glm::vec3 _angularVelocityTarget;
 
    virtual bool prepareForTractorUpdate(btScalar deltaTimeStep);
 
    void serializeParameters(QDataStream& dataStream) const;
    void deserializeParameters(QByteArray serializedArguments, QDataStream& dataStream);
};
 
#endif // hifi_ObjectActionTractor_h