KPatchBase.h

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#ifndef GlobeEngine_KPatchBase_h
#define GlobeEngine_KPatchBase_h

#include <memory>

namespace geRaster {
    
    class KPatchBintree;
    
    class KPatchBase
    {
    public:
        enum PatchOrientation {LEFT = 1, TOP, RIGHT, BOTTOM, UPPERLEFT, UPPERRIGHT, LOWERRIGHT, LOWERLEFT};
        enum PatchMode {THREE = 0, FIVE, NINE, SEVENTHEN,THIRTYTHREE, SIXTYFIVE, HUNDERTTWENTYNINE};
        enum TriangulationMode {CLOCKWISE = 0, COUNTERCLOCKWISE};
        
        KPatchBase();
        ~KPatchBase();
        void clear();
        void create();
        void createIndexArrays(int _points_per_edge, int _indexCount);
        
        static int calculateIndexCount(int _points_per_edge);// PatchOrientation type);
        static int calculatePointsPerSide(KPatchBase::PatchMode _mode);
        static KPatchBase::PatchMode getModeForPointsPerSide(int _pointPerSide);
        
        int getIndexCount() const;
        const int* getIndexArrayX(PatchOrientation _type) const;
        const int* getIndexArrayY(PatchOrientation _type) const;
        const short* getIndexArrayXus(PatchOrientation _type) const;
        const short* getIndexArrayYus(PatchOrientation _type) const;
        
    private:
        void copyArraysToShort();
        void set2DIndexArraysToTriangleStrips(PatchOrientation type);
        
        int points_per_edge;
        int indexCount;
        double saturatedError;
        // Indexarray describing patch
        int* indices;
        //std::shared_ptr<int>* indices_sptr;
        // in 2D version indices = x-coordinate
        //               indices_yDir = y-coordinate
        int* indices_yDir;
        
        int* indexMap_x[8];
        int* indexMap_y[8];
        // short copy of the arrays above
        short* indexMap_x_s[8];
        short* indexMap_y_s[8];
        TriangulationMode triMode;
    };
}
#endif