#ifndef _ZTIMER_H
#define _ZTIMER_H


#include <list>
using namespace std;


typedef void(ZGameTimerEventCallback)(void* pParam);
class ZTimerEvent;


// ¾ÕÀ¸·Î °ÔÀÓƽ, ŸÀÌ¸Ó °ü·ÃÀº ¿©±â¼­ °ü¸®Çϵµ·Ï ÇÏÀÚ
class ZTimer
{
private:
	bool						m_bInitialized;




	unsigned long int			m_nLastTime;
	unsigned long int			m_nNowTime;
	list<ZTimerEvent*>			m_EventList;


	// ŸÀÌ¸Ó °»½Å¿ë º¯¼öµé : ¸Þ¸ð¸®ÇÙÀ¸·Î º¯Á¶ÇÏ¸é ½ºÇǵåÇÙÀÌ °¡´ÉÇÏ´Ù ±×·¡¼­ ÈüÇÒ´çÇÏ°í ÁÖ±âÀûÀ¸·Î À§Ä¡¸¦ ¿Å±ä´Ù
	BOOL* m_pbUsingQPF;
	LONGLONG* m_pllQPFTicksPerSec;
	LONGLONG* m_pllLastElapsedTime;
	DWORD* m_pThistime;
	DWORD* m_pLasttime;
	DWORD* m_pElapsed;


	void UpdateEvents();
	void ShiftFugitiveValues();


public:
	ZTimer();
	virtual ~ZTimer();


	float UpdateFrame();
	void ResetFrame();


	// ŸÀÌ¸Ó À̺¥Æ® °ü·Ã
	void SetTimerEvent(unsigned long int nElapsedTime, ZGameTimerEventCallback* fnTimerEventCallback, void* pParam, bool bTimerOnce=false);
	void ClearTimerEvent(ZGameTimerEventCallback* fnTimerEventCallback);




	unsigned long int GetNowTick() { return m_nNowTime; }
};


class ZUpdateTimer
{
private:
	float		m_fUpdateTime;
	float		m_fElapsedTime;
public:
	ZUpdateTimer(float fUpdateTime) : m_fUpdateTime(fUpdateTime), m_fElapsedTime(0.0f) { }
	ZUpdateTimer() : m_fUpdateTime(0.0f), m_fElapsedTime(0.0f) { }
	bool Update(float fDelta)
	{
		m_fElapsedTime += fDelta;
		if (m_fElapsedTime < m_fUpdateTime) return false;


		m_fElapsedTime = 0.0f;
		return true;
	}
	void Init(float fUpdateTime)	{ m_fUpdateTime = fUpdateTime; m_fElapsedTime = 0.0f; }
	void Force()					{ m_fElapsedTime = m_fUpdateTime; }
	void SetUpdateTime(float fUpdateTime) { m_fUpdateTime = fUpdateTime; }
	float GetUpdateTime() const { return m_fUpdateTime; }
};




#endif