cube-game-plus-plus/common/utils/Face.cpp

#include "common/utils/Face.h"

Face Face::FACES[6] =
{
    {0,  0,  1,  0, "Up"},
    {1,  1,  0,  0, "North"},
    {2,  0,  0,  1, "East"},
    {3,  0, -1,  0, "Down"},
    {4, -1,  0,  0, "South"},
    {5,  0,  0, -1, "West"}
};

const Face& Face::UP = FACES[0];
const Face& Face::DOWN = FACES[3];

const Face& Face::NORTH = FACES[1];
const Face& Face::SOUTH = FACES[4];

const Face& Face::EAST = FACES[2];
const Face& Face::WEST = FACES[5];

Face::Face(int index, int offsetX, int offsetY, int offsetZ, const char* name) : 
    index(index), offsetX(offsetX), offsetY(offsetY), offsetZ(offsetZ), name(name)
{
}

int Face::getX() const
{
    return offsetX;
}

int Face::getY() const
{
    return offsetY;
}

int Face::getZ() const
{
    return offsetZ;
}

Face& Face::getOpposite() const
{
    return FACES[(index + 3) % 6];
}

const char* Face::getName() const
{
    return name;
}

void Face::forEach(const std::function<void(Face&)>& f)
{
    for(int i = 0; i < 6; i++)
    {
        f(FACES[i]);
    }
}

bool operator==(const Face& l, const Face& r)
{
    return &l == &r;
}

bool operator!=(const Face& l, const Face& r)
{
    return &l != &r;
}

std::ostream& operator<<(std::ostream& os, const Face& f)
{
    os << f.getName();
    return os;
}