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//
//  hilbert.h
//  sonicZoom
//
//  Created by Robert Tubb on 04/04/2013.
//
// Handles the hilbert curve stuff

#ifndef __sonicZoom__hilbert__
#define __sonicZoom__hilbert__

#include <iostream>
#include <vector.h>
#include "ofMain.h"
#include "rot_rules.h"




class Hilbert{
private:
    int P; // dimensionas of high D space
    int N; // number of resolution bits
    int codeLength;
    
    
    
    vector<vector <bool> > cubeStartVertices;
    vector<int> cubeRotations;
    vector<vector <bool> > theGrayCode;
    vector<unsigned int> theGrayCodeD;
    vector<unsigned int> theEntryVertices;
    vector<unsigned int> theRotations;
    
    void makeCode();

    void makeRotationRules();
    int rotate(int vertex, int entryPoint, int direction);
    int rotateInverse(int vertex, int entryPoint, int direction) ;
public:
    Hilbert();
    Hilbert(int N, int P);
    void changeCurve(int aN, int aP);
    vector<int> calculateParamsFromIndex(unsigned long long coord);
    unsigned long long calculateIndexFromParams(vector<int> params);

};


#endif /* defined(__sonicZoom__hilbert__) */