cube-game-plus-plus/utils/Face.h

#ifndef FACE_H
#define FACE_H

#include <iostream>

class Face
{
public:
    int getX() const;
    int getY() const;
    int getZ() const;
    Face& getOpposite() const;
    const char* getName() const;
    
    static void forEach(void* data, void (*fun) (Face&, void*));
    
    static Face& UP;
    static Face& DOWN;
    static Face& NORTH;
    static Face& SOUTH;
    static Face& EAST;
    static Face& WEST;

private:
    Face(int index, int offsetX, int offsetY, int offsetZ, const char* name);
    
    static Face FACES[6];
    
    int offsetX;
    int offsetY;
    int offsetZ;
    
    int index;
    
    const char* name;
};

bool operator==(const Face& l, const Face& r);
bool operator!=(const Face& l, const Face& r);
std::ostream& operator<<(std::ostream& os, const Face& f);

#endif