Tesselator.hpp

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//
// Created by Christian Swan on 09.10.17.
//
 
#ifndef LVR2_ALGORITHM_TESSELATOR_H
#define LVR2_ALGORITHM_TESSELATOR_H
 
#include "lvr2/geometry/Handles.hpp"
#include "lvr2/util/ClusterBiMap.hpp"
#include "lvr2/algorithm/NormalAlgorithms.hpp"
 
#if _MSC_VER
#include <Windows.h>
#endif
 
#ifndef __APPLE__
#include <GL/glu.h>
#include <GL/glut.h>
#define CALLBACK
#else
#include <OpenGL/glu.h>
#include <GLUT/glut.h>
#endif
 
namespace lvr2
{
 
template<typename BaseVecT>
class Tesselator {
 
public:
 
    static void apply(
        BaseMesh<BaseVecT>& mesh,
        ClusterBiMap<FaceHandle>& clusters,
        DenseFaceMap<Normal<typename BaseVecT::CoordType>>& faceNormals,
        float lineFusionThreshold
    );
 
private:
 
    static GLUtesselator* m_tesselator;
 
    static GLenum m_type;
 
    static std::vector<BaseVecT> m_vertices;
 
    static std::vector<BaseVecT> m_faces;
 
    static void CALLBACK beginCallback(GLenum type);
 
    static void CALLBACK vertexCallback(void* data);
 
    static void CALLBACK combineDataCallback(GLdouble coords[3],
                                             void *vertex_data[4],
                                             GLfloat weight[4],
                                             void **outData,
                                             void *userData);
 
    static void CALLBACK endCallback(void);
    static void CALLBACK errorCallback(GLenum errno);
 
    static void init();
 
    static void addTesselatedFaces(
        BaseMesh<BaseVecT>& mesh,
        ClusterBiMap<FaceHandle>& clusters,
        DenseFaceMap<Normal<typename BaseVecT::CoordType>>& faceNormal,
        ClusterHandle clusterH
    );
};
 
} // namespace lvr2
 
#include "lvr2/algorithm/Tesselator.tcc"
 
#endif //LVR2_ALGORITHM_TESSELATOR_H