Game Timer Header File

AzuraTimer.h

#pragma once

#include "Common.h"
#include "boost/function.hpp"

using namespace std;

namespace Azura
{
	typedef boost::function<void()> AzuraBasicCallback;

	enum AzuraTimerType
	{
		Stopwatch,
		Countdown
	};

	class Timer
	{
	public:
		Timer();
		Timer(AzuraTimerType type);

		double TotalTime() const;
		double DeltaTime() const;

		void Reset();
		void Start();
		void Stop();

		// Countdown Specific Funcs
		void SetLimit(double countdownLimit);

		void OnCountdownEnd(AzuraBasicCallback callback);
		void OnCountdownEnd(void(*callback)());

		// General
		void Tick(void (*callback)());
		void Tick(AzuraBasicCallback callback);

	private:
		double mSecondsPerTick;
		double mDeltaTime;
		AzuraTimerType mType;

		void init();
		void processTick();
		void processCountdown();

		AzuraBasicCallback mEventCountdownEnd;

		__int64 getCurrentTime();

		double mCountdownLimit;
		double mCurrCountdown;

		__int64 mBaseTime;
		__int64 mPausedTime;
		__int64 mStopTime;
		__int64 mPrevTime;
		__int64 mCurrTime;

		bool mStopped;
	};
}