TimerMicrosec.cpp

# include <Siv3D.hpp>

class TimerMicrosec
{
public:

	void start()
	{
		if (!m_pausing)
		{
			return;
		}

		m_startTimeMicrosec = Time::GetMicrosec();

		m_isActive = true;

		m_pausing = false;
	}

	unsigned long long elapsed() const
	{
		if (!m_isActive)
		{
			return 0;
		}

		if (m_pausing)
		{
			return m_accumulationMicrosec;
		}

		return (m_accumulationMicrosec + (Time::GetMicrosec() - m_startTimeMicrosec));
	}

	Property_Get(bool, isActive) const
	{
		return m_isActive;
	}

	void pause()
	{
		m_accumulationMicrosec = elapsed();

		m_pausing = true;
	}

	void reset()
	{
		m_accumulationMicrosec = 0;

		m_isActive = false;

		m_pausing = true;
	}

	void restart()
	{
		reset();

		start();
	}

	void set(unsigned long long time)
	{
		m_isActive |= (time != 0);

		m_startTimeMicrosec = Time::GetMicrosec();

		m_accumulationMicrosec = time;
	}

private:

	unsigned long long m_startTimeMicrosec = 0;

	unsigned long long m_accumulationMicrosec = 0;

	bool m_isActive = false;

	bool m_pausing = true;
};

void Main()
{
	TimerMicrosec tm;

	tm.start();

	System::Sleep(1.234);

	Println(tm.elapsed());

	while (System::Update())
	{

	}
}