////  Created by Bradley Austin Davis on 2017/10/16//  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_pointers_PointerManager_h#define hifi_pointers_PointerManager_h #include <DependencyManager.h>#include <PointerEvent.h> #include <memory> #include <shared/ReadWriteLockable.h> #include "Pointer.h" class PointerManager : public QObject, public Dependency, protected ReadWriteLockable {    Q_OBJECT    SINGLETON_DEPENDENCYpublic:    PointerManager() {}     unsigned int addPointer(std::shared_ptr<Pointer> pointer);    void removePointer(unsigned int uid);    void enablePointer(unsigned int uid) const;    void disablePointer(unsigned int uid) const;    bool isPointerEnabled(unsigned int uid) const;    QVector<unsigned int> getPointers() const;     void setRenderState(unsigned int uid, const std::string& renderState) const;    void editRenderState(unsigned int uid, const std::string& state, const QVariant& startProps, const QVariant& pathProps, const QVariant& endProps) const;     PickResultPointer getPrevPickResult(unsigned int uid) const;    // The actual current properties of the pointer    QVariantMap getPointerProperties(unsigned int uid) const;    // The properties that were passed in to create the pointer (may be empty if the pointer was created by invoking the constructor)    QVariantMap getPointerScriptParameters(unsigned int uid) const;     void setPrecisionPicking(unsigned int uid, bool precisionPicking) const;    void setIgnoreItems(unsigned int uid, const QVector<QUuid>& ignoreEntities) const;    void setIncludeItems(unsigned int uid, const QVector<QUuid>& includeEntities) const;     void setLength(unsigned int uid, float length) const;    void setLockEndUUID(unsigned int uid, const QUuid& objectID, bool isAvatar, const glm::mat4& offsetMat = glm::mat4()) const;    void setDelay(unsigned int uid, float delay) const;     void update();     bool isLeftHand(unsigned int uid);    bool isRightHand(unsigned int uid);    bool isMouse(unsigned int uid);     static const unsigned int MOUSE_POINTER_ID { PointerEvent::INVALID_POINTER_ID + 1 }; private:    std::shared_ptr<Pointer> find(unsigned int uid) const;    std::unordered_map<unsigned int, std::shared_ptr<Pointer>> _pointers;    unsigned int _nextPointerID { MOUSE_POINTER_ID + 1 }; signals:    void triggerBeginOverlay(const QUuid& id, const PointerEvent& pointerEvent);    void triggerContinueOverlay(const QUuid& id, const PointerEvent& pointerEvent);    void triggerEndOverlay(const QUuid& id, const PointerEvent& pointerEvent);    void hoverBeginOverlay(const QUuid& id, const PointerEvent& pointerEvent);    void hoverContinueOverlay(const QUuid& id, const PointerEvent& pointerEvent);    void hoverEndOverlay(const QUuid& id, const PointerEvent& pointerEvent);    void scrollOverlay(const QUuid& id, const PointerEvent& pointerEvent);     void triggerBeginEntity(const QUuid& id, const PointerEvent& pointerEvent);    void triggerContinueEntity(const QUuid& id, const PointerEvent& pointerEvent);    void triggerEndEntity(const QUuid& id, const PointerEvent& pointerEvent);    void hoverBeginEntity(const QUuid& id, const PointerEvent& pointerEvent);    void hoverContinueEntity(const QUuid& id, const PointerEvent& pointerEvent);    void hoverEndEntity(const QUuid& id, const PointerEvent& pointerEvent);    void scrollEntity(const QUuid& id, const PointerEvent& pointerEvent);     void triggerBeginHUD(const PointerEvent& pointerEvent);    void triggerContinueHUD(const PointerEvent& pointerEvent);    void triggerEndHUD(const PointerEvent& pointerEvent);    void hoverBeginHUD(const PointerEvent& pointerEvent);    void hoverContinueHUD(const PointerEvent& pointerEvent);    void hoverEndHUD(const PointerEvent& pointerEvent);    void scrollHUD(const PointerEvent& pointerEvent);}; #endif // hifi_pointers_PointerManager_h