game_coordinate.h

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#ifndef GAME_COORDINATE_H
#define GAME_COORDINATE_H
 
#include "ccfwd.h"
#include "chess_color.h"
 
#include <iosfwd>
#include <random>
 
class game_coordinate
{
public:
  explicit game_coordinate(const double x = 0, const double y = 0);
 
  double get_x() const noexcept { return m_x; }
  double get_y() const noexcept { return m_y; }
 
private:
 
  double m_x;
  double m_y;
};
 
double calc_distance(const game_coordinate& lhs, const game_coordinate& rhs) noexcept;
 
double calc_length(const game_coordinate& coordinat) noexcept;
 
game_coordinate create_random_game_coordinate(
  std::default_random_engine& rng_engine
);
 
game_coordinate get_above(const game_coordinate& coordinat) noexcept;
 
game_coordinate get_below(const game_coordinate& coordinat) noexcept;
 
game_coordinate get_left(const game_coordinate& coordinat) noexcept;
 
game_coordinate get_right(const game_coordinate& coordinat) noexcept;
 
game_coordinate get_rotated_coordinat(const game_coordinate& coordinat) noexcept;
 
bool is_coordinat_on_board(const game_coordinate& c) noexcept;
 
bool is_forward(
  const chess_color color,
  const square& from,
  const square& to
);
 
void test_game_coordinate();
 
std::string to_notation(const game_coordinate& g);
 
game_coordinate center_on_center(const game_coordinate& coordinat);
 
std::string to_str(const game_coordinate& c) noexcept;
 
std::ostream& operator<<(std::ostream& os, const game_coordinate& coordinat);
 
bool operator==(const game_coordinate& lhs, const game_coordinate& rhs) noexcept;
bool operator!=(const game_coordinate& lhs, const game_coordinate& rhs) noexcept;
game_coordinate operator-(const game_coordinate& lhs, const game_coordinate& rhs) noexcept;
game_coordinate operator+(const game_coordinate& lhs, const game_coordinate& rhs) noexcept;
game_coordinate operator*(const game_coordinate& c, const double x) noexcept;
game_coordinate& operator+=(game_coordinate& lhs, const game_coordinate& rhs) noexcept;
game_coordinate operator/(const game_coordinate& coordinat, const double factor) noexcept;
 
#endif // GAME_COORDINATE_H