/**

* vim: set ts=4 :

* ===============================================================

* SourceMod (C)2004-2007 AlliedModders LLC.  All rights reserved.

* ===============================================================

*

* This file is not open source and may not be copied without explicit

* written permission of AlliedModders LLC.  This file may not be redistributed 

* in whole or significant part.

* For information, see LICENSE.txt or http://www.sourcemod.net/license.php

*

* Version: $Id$

*/

#ifndef _INCLUDE_SOURCEMOD_CTIMERSYS_H_

#define _INCLUDE_SOURCEMOD_CTIMERSYS_H_

#include "ShareSys.h"

#include <ITimerSystem.h>

#include <sh_stack.h>

#include <sh_list.h>

#include "sourcemm_api.h"

using namespace SourceHook;

using namespace SourceMod;

typedef List<ITimer *> TimerList;

typedef List<ITimer *>::iterator TimerIter;

struct TickInfo

{

	bool ticking;				/* true=game is ticking, false=we're ticking */

	unsigned int tickcount;		/* number of simulated ticks we've done */

	float ticktime;				/* tick time we're maintaining */

};

class SourceMod::ITimer

{

public:

	void Initialize(ITimedEvent *pCallbacks, float fInterval, float fToExec, void *pData, int flags);

	ITimedEvent *m_Listener;

	void *m_pData;

	float m_Interval;

	float m_ToExec;

	int m_Flags;

	bool m_InExec;

	bool m_KillMe;

};

class TimerSystem : 

	public ITimerSystem,

	public SMGlobalClass

{

public:

	~TimerSystem();

public: //SMGlobalClass

	void OnSourceModAllInitialized();

	void OnSourceModLevelChange(const char *mapName);

public: //ITimerSystem

	ITimer *CreateTimer(ITimedEvent *pCallbacks, float fInterval, void *pData, int flags);

	void KillTimer(ITimer *pTimer);

	void FireTimerOnce(ITimer *pTimer, bool delayExec=false);

public:

	void RunFrame();

	void MapChange();

private:

	List<ITimer *> m_SingleTimers;

	List<ITimer *> m_LoopTimers;

	CStack<ITimer *> m_FreeTimers;

	float m_LastExecTime;

};

extern TimerSystem g_Timers;

extern TickInfo g_SimTicks;

#endif //_INCLUDE_SOURCEMOD_CTIMERSYS_H_