#ifndef MYNODEVISITOR_H
#define MYNODEVISITOR_H

#include <osg/NodeVisitor>
#include <osgUtil/Optimizer>
#include <osgDB/ReadFile>
#include <QtCore>

// 深度优先的访问器
class myNodeVisitor : public osg::NodeVisitor
{
public:
    myNodeVisitor();

    void setPoints(osg::ref_ptr<osg::Vec3Array> _vertexArray) {vertexArray = _vertexArray;}
    void setBoundaryList(QList<osg::ref_ptr<osg::Vec3Array>> _boundaryList){ boundaryList = _boundaryList; }
    virtual void apply(osg::Geode &node) override;
    virtual void apply(osg::Group &node) override;
    virtual void apply(osg::PagedLOD &node) override;
    bool pointInPolygon(osg::Vec3& point);
    int pointsNearVertex(osg::Vec3& point);

private:
    osgUtil::Optimizer::TextureVisitor* tv = new osgUtil::Optimizer::TextureVisitor(true, false, false, false, false, false);
    osgDB::ReaderWriter::Options* opt = new osgDB::ReaderWriter::Options;
    QString workingDir;
    QString newFileName;
    // 记录点位是否被修改，从而缩减计算量
    bool affected = false;
    bool childAffected = false;

    osg::ref_ptr<osg::Vec3Array> vertexArray;
    QList<osg::ref_ptr<osg::Vec3Array>> boundaryList;
};
#endif // MYNODEVISITOR_H