////  Created by Bradley Austin Davis on 2017/10/24//  Copyright 2013-2017 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_StylusPointer_h#define hifi_StylusPointer_h #include <Pointer.h>#include <shared/Bilateral.h>#include <RegisteredMetaTypes.h> #include "StylusPick.h" class StylusPointer : public Pointer {    using Parent = Pointer;    using Ptr = std::shared_ptr<StylusPointer>; public:    StylusPointer(const QVariant& props, const QUuid& stylus, bool hover, bool enabled,                  const glm::vec3& modelPositionOffset, const glm::quat& modelRotationOffset, const glm::vec3& modelDimensions);    ~StylusPointer();     PickQuery::PickType getType() const override;     void updateVisuals(const PickResultPointer& pickResult) override;     // Styluses have three render states:    // default: "events on" -> render and hover/trigger    // "events off" -> render, don't hover/trigger    // "disabled" -> don't render, don't hover/trigger    void setRenderState(const std::string& state) override;    void editRenderState(const std::string& state, const QVariant& startProps, const QVariant& pathProps, const QVariant& endProps) override {}     QVariantMap toVariantMap() const override;     static QUuid buildStylus(const QVariantMap& properties); protected:    PickedObject getHoveredObject(const PickResultPointer& pickResult) override;    Buttons getPressedButtons(const PickResultPointer& pickResult) override;    glm::vec2 getScroll(const PickResultPointer& pickResult) override;     bool shouldHover(const PickResultPointer& pickResult) override;    bool shouldTrigger(const PickResultPointer& pickResult) override;    virtual PickResultPointer getPickResultCopy(const PickResultPointer& pickResult) const override;     PointerEvent buildPointerEvent(const PickedObject& target, const PickResultPointer& pickResult, const std::string& button = "", bool hover = true) override; private:    void show(const StylusTip& tip);    void hide();     struct TriggerState {        PickedObject triggeredObject;        glm::vec3 intersection { NAN };        glm::vec2 triggerPos2D { NAN };        glm::vec3 surfaceNormal { NAN };        quint64 triggerStartTime { 0 };        bool deadspotExpired { true };        bool triggering { false };        bool wasTriggering { false };         bool hovering { false };    };     TriggerState _state;     enum RenderState {        EVENTS_ON = 0,        EVENTS_OFF,        DISABLED    };     RenderState _renderState { EVENTS_ON };     QUuid _stylus;     static bool isWithinBounds(float distance, float min, float max, float hysteresis);    static glm::vec3 findIntersection(const PickedObject& pickedObject, const glm::vec3& origin, const glm::vec3& direction);    static glm::vec2 findPos2D(const PickedObject& pickedObject, const glm::vec3& origin);     bool _showing { true };     glm::vec3 _modelPositionOffset;    glm::vec3 _modelDimensions;    glm::quat _modelRotationOffset; }; #endif // hifi_StylusPointer_h