/**

 * vim: set ts=4 :

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

 * SourceMod

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

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

 *

 * This program is free software; you can redistribute it and/or 

 * modify it under the terms of the GNU General Public License, 

 * version 3.0, as published by the Free Software Foundation.

 * 

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program.  If not, see <http://www.gnu.org/licenses/>.

 *

 * As a special exception, AlliedModders LLC gives you permission to 

 * link the code of this program (as well as its derivative works) to 

 * "Half-Life 2," the "Source Engine," the "SourcePawn JIT," and any 

 * Game MODs that run on software by the Valve Corporation.  You must 

 * obey the GNU General Public License in all respects for all other 

 * code used. Additionally, AlliedModders LLC grants this exception 

 * to all derivative works. AlliedModders LLC defines further 

 * exceptions, found in LICENSE.txt (as of this writing, version 

 * JULY-31-2007), 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(bool real_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_