LineEntityItem.h

//
//  LineEntityItem.h
//  libraries/entities/src
//
//  Created by Seth Alves on 5/11/15.
//  Copyright 2015 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_LineEntityItem_h
#define hifi_LineEntityItem_h
 
#include "EntityItem.h"
 
class LineEntityItem : public EntityItem {
 public:
    static EntityItemPointer factory(const EntityItemID& entityID, const EntityItemProperties& properties);
 
    LineEntityItem(const EntityItemID& entityItemID);
 
    ALLOW_INSTANTIATION // This class can be instantiated
 
    // methods for getting/setting all properties of an entity
    virtual EntityItemProperties getProperties(const EntityPropertyFlags& desiredProperties, bool allowEmptyDesiredProperties) const override;
    virtual bool setSubClassProperties(const EntityItemProperties& properties) override;
 
    virtual EntityPropertyFlags getEntityProperties(EncodeBitstreamParams& params) const override;
 
    virtual void appendSubclassData(OctreePacketData* packetData, EncodeBitstreamParams& params,
                                    EntityTreeElementExtraEncodeDataPointer modelTreeElementExtraEncodeData,
                                    EntityPropertyFlags& requestedProperties,
                                    EntityPropertyFlags& propertyFlags,
                                    EntityPropertyFlags& propertiesDidntFit,
                                    int& propertyCount,
                                    OctreeElement::AppendState& appendState) const override;
 
    virtual int readEntitySubclassDataFromBuffer(const unsigned char* data, int bytesLeftToRead,
                                                 ReadBitstreamToTreeParams& args,
                                                 EntityPropertyFlags& propertyFlags, bool overwriteLocalData,
                                                 bool& somethingChanged) override;
 
    glm::u8vec3 getColor() const;
    void setColor(const glm::u8vec3& value);
 
    bool setLinePoints(const QVector<glm::vec3>& points);
    bool appendPoint(const glm::vec3& point);
 
    QVector<glm::vec3> getLinePoints() const;
 
    // never have a ray intersection pick a LineEntityItem.
    virtual bool supportsDetailedIntersection() const override { return true; }
    virtual bool findDetailedRayIntersection(const glm::vec3& origin, const glm::vec3& direction,
                                             const glm::vec3& viewFrustumPos, OctreeElementPointer& element, float& distance,
                                             BoxFace& face, glm::vec3& surfaceNormal,
                                             QVariantMap& extraInfo,
                                             bool precisionPicking) const override { return false; }
    virtual bool findDetailedParabolaIntersection(const glm::vec3& origin, const glm::vec3& velocity,
                                                  const glm::vec3& acceleration, const glm::vec3& viewFrustumPos, OctreeElementPointer& element,
                                                  float& parabolicDistance, BoxFace& face, glm::vec3& surfaceNormal,
                                                  QVariantMap& extraInfo,
                                                  bool precisionPicking) const override { return false; }
 
    virtual void debugDump() const override;
    static const int MAX_POINTS_PER_LINE;
 
 private:
    glm::u8vec3 _color;
    QVector<glm::vec3> _points;
};
 
#endif // hifi_LineEntityItem_h