Классы

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- предусмотреть функцию "ход" на одну позицию в одном из четырех направлений для класса Queen;

#include <iostream>
#include <iomanip>
#include <cmath>

enum coord { a, b, c, d, e, f, g, h };
enum color { black, white };

struct s_coord
{
coord x_letter;
int y_number; //1..8
bool ifSomePartsAreEqual(const s_coord& r) const
{
return (x_letter == r.x_letter || y_number == r.y_number);
}

bool ifAbsDifferencesAreEqual(const s_coord& r) const
{
return std::abs(((int)x_letter) - ((int)r.x_letter)) == std::abs(y_number - r.y_number);
}
friend std:: ostream& operator<<(std:: ostream& os, const s_coord& f)
{
char a = 'a' + f.x_letter;
os << a <<":"<< f.y_number;
return os;
}
};

bool operator==(const s_coord& l, const s_coord& r)
{
return l.x_letter == r.x_letter && l.y_number == r.y_number;
}

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


class Figure
{
protected:
s_coord m_coord;
color m_color; //цвет
public:
Figure(const s_coord m_coord, color z) :m_coord(m_coord), m_color(z) {}
virtual bool Turn(const s_coord new_coord) = 0;
friend std:: ostream& operator<<(std:: ostream& os, const Figure& f)
{
os << "coord: " << f.m_coord << " , color: " << (f.m_color ? "white" : "black") << std::endl;
return os;
}
};

class Castle : public Figure
{
public:
Castle(const s_coord m_coord, color z) :Figure(m_coord, z) {}
bool Turn(const s_coord new_coord)
{
if (m_coord != new_coord)
{
if (m_coord.ifSomePartsAreEqual(new_co ord))
{
m_coord = new_coord;
return true;
}
}

return false;
}
};

class Bishop : public Figure
{
public:
Bishop(const s_coord m_coord, color z) :Figure(m_coord, z) {}
bool Turn(const s_coord new_coord)
{
if (m_coord != new_coord)
{
if (m_coord.ifAbsDifferencesAreEqual(n ew_coord))
{
m_coord = new_coord;
return true;
}
}

return false;
}
};


class Queen : public Figure
{
public:
using Figure::Figure;
Queen(const s_coord m_coord, color z) :Figure(m_coord, z) {}
bool Turn(const s_coord new_coord)
{
if (m_coord != new_coord)
{
if (m_coord.ifSomePartsAreEqual(new_co ord))
{
m_coord = new_coord;
return true;
}

if (m_coord.ifAbsDifferencesAreEqual(n ew_coord))
{
m_coord = new_coord;
return true;
}
}

return false;
}
};

int main()
{
Figure* pf;
s_coord tc1 = { c,1 };
s_coord tc2 = { c,8 };
s_coord tf1 = { f,1 };
s_coord tf2 = { f,8 };
s_coord td1 = { d,1 };
s_coord td2 = { d,8 };
s_coord ta1 = { a,1 };
s_coord ta2 = { a,8 };
s_coord th1 = { h,1 };
s_coord th2 = { h,8 };

std::cout << "Queen" << std::endl;
std::cout << "-----" << std::endl;

pf = new Queen(td1, white);
std::cout << *pf;;
pf = new Queen(td2, black);
std::cout << *pf;
delete pf;
std::cout << std::endl;

std::cout << "Bishop" << std::endl;
std::cout << "------" << std::endl;

pf = new Bishop(tc1, white);
std::cout << *pf;
pf = new Bishop(tf1, white);
std::cout << *pf;
delete pf;
std::cout << std::endl;

pf = new Bishop(tc2, black);
std::cout << *pf;
pf = new Bishop(tf2, black);
std::cout << *pf;
delete pf;
std::cout << std::endl;

std::cout << "Castle" << std::endl;
std::cout << "------" << std::endl;

pf = new Castle(ta1, white);
std::cout << *pf;
pf = new Castle(th1, white);
std::cout << *pf;
delete pf;
std::cout << std::endl;

pf = new Castle(ta2, black);
std::cout << *pf;
pf = new Castle(th2, black);
std::cout << *pf;
delete pf;
std::cout << std::endl;

return 0;
}