game_speed.h

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#ifndef GAME_SPEED_H
#define GAME_SPEED_H
 
#include <iosfwd>
#include <vector>
 
enum class game_speed
{
  slowest, slower, slow, normal, fast, faster, fastest
};
 
std::vector<game_speed> get_all_game_speeds() noexcept;
 
constexpr game_speed get_default_game_speed() { return game_speed::slowest; }
 
game_speed get_next(const game_speed speed) noexcept;
 
game_speed get_previous(const game_speed speed) noexcept;
 
void test_game_speed();
 
double get_speed_multiplier(const game_speed speed) noexcept;
 
std::string to_human_str(const game_speed speed) noexcept;
 
std::string to_str(const game_speed speed) noexcept;
 
std::ostream& operator<<(std::ostream& os, const game_speed speed) noexcept;
 
#endif // GAME_SPEED_H