PS_Symmetry.h

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#pragma once


#include <osg/Geometry>

#include <xercesc/parsers/XercesDOMParser.hpp>
#include <xercesc/dom/DOM.hpp>
#include <xercesc/sax/HandlerBase.hpp>
#include <xercesc/util/XMLString.hpp>
#include <xercesc/util/PlatformUtils.hpp>

#include <xercesc/dom/DOMWriter.hpp>
#include <xercesc/framework/StdOutFormatTarget.hpp>
#include <xercesc/framework/LocalFileFormatTarget.hpp>

#include <fstream>

XERCES_CPP_NAMESPACE_USE

namespace APDYNAMICART
{


struct symmetry_axis
{
    int order;
    osg::Vec3 point;
};

struct symmetry_pair
{
    int face;           //index of face
    int axis;           //axis of axis
};


class PS_Symmetry {

    public:
        
        void makeInstances(std::vector<osg::Vec3>* points);
        
        std::vector<osg::Quat>* makeRotations();


        //load symmetry template from file
        int load(std::string fileName);

        int getNumberofFaces() {return n_faces;}

        std::vector<symmetry_axis *>* getAxes() {return axes;}


    private:
        std::vector<symmetry_axis *>* axes;
        std::vector<symmetry_pair *>* pairs;
        int n_faces;                            //number of faces created by symmetries

        
        //load all axes of given symmetry group
        int loadAxes(std::string fileName);


};



}