Timer.hpp

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#ifndef TIMER_HPP_INCLUDED
#define TIMER_HPP_INCLUDED
 
#include <iostream>
#include <cstdint>
 
class Timer
{
    public:
        Timer(bool Start = true);
        void Restart();
 
        std::int64_t FastForward(std::uint32_t Duration); // returns time elapsed
        std::int64_t Rewind(std::uint32_t Duration); // returns time elapsed
        std::int64_t Suspend(); // returns time elapsed
        std::int64_t Resume(); // returns time elapsed
 
        std::uint64_t GetStartTime() const;
        std::int64_t GetTimeElapsed() const;
 
        bool Paused() const;
 
        friend std::ostream& operator<<(std::ostream& OS, const Timer& T);
        ~Timer();
    private:
        std::uint64_t StartTime;
        std::uint64_t PauseTime;
        std::int64_t Offset;
};
 
#endif // TIMER_HPP_INCLUDED