dvander@592: /**
dvander@592: * vim: set ts=4 :
dvander@592: * ===============================================================
dvander@592: * SourceMod (C)2004-2007 AlliedModders LLC.  All rights reserved.
dvander@592: * ===============================================================
dvander@592: *
dvander@592: * This file is not open source and may not be copied without explicit
dvander@592: * written permission of AlliedModders LLC.  This file may not be redistributed 
dvander@592: * in whole or significant part.
dvander@592: * For information, see LICENSE.txt or http://www.sourcemod.net/license.php
dvander@592: *
dvander@592: * Version: $Id$
dvander@592: */
dvander@592: 
dvander@592: #include "TimerSys.h"
dvander@592: 
dvander@616: TimerSystem g_Timers;
dvander@592: 
dvander@592: void ITimer::Initialize(ITimedEvent *pCallbacks, float fInterval, float fToExec, void *pData, int flags)
dvander@592: {
dvander@592: 	m_Listener = pCallbacks;
dvander@592: 	m_Interval = fInterval;
dvander@592: 	m_ToExec = fToExec;
dvander@592: 	m_pData = pData;
dvander@592: 	m_Flags = flags;
dvander@592: 	m_InExec = false;
dvander@592: 	m_KillMe = false;
dvander@592: }
dvander@592: 
dvander@616: void TimerSystem::OnSourceModAllInitialized()
dvander@592: {
dvander@592: 	g_ShareSys.AddInterface(NULL, this);
dvander@592: }
dvander@592: 
dvander@616: void TimerSystem::RunFrame()
dvander@592: {
dvander@592: 	ITimer *pTimer;
dvander@592: 	TimerIter iter;
dvander@592: 
dvander@592: 	for (iter=m_SingleTimers.begin(); iter!=m_SingleTimers.end(); )
dvander@592: 	{
dvander@592: 		pTimer = (*iter);
dvander@592: 		if (gpGlobals->curtime >= pTimer->m_ToExec)
dvander@592: 		{
dvander@592: 			pTimer->m_InExec = true;
dvander@592: 			pTimer->m_Listener->OnTimer(pTimer, pTimer->m_pData);
faluco@612: 			pTimer->m_Listener->OnTimerEnd(pTimer, pTimer->m_pData);
dvander@592: 			iter = m_SingleTimers.erase(iter);
dvander@592: 			m_FreeTimers.push(pTimer);
dvander@592: 		} else {
dvander@592: 			break;
dvander@592: 		}
dvander@592: 	}
dvander@592: 
dvander@592: 	ResultType res;
dvander@592: 	for (iter=m_LoopTimers.begin(); iter!=m_LoopTimers.end(); )
dvander@592: 	{
dvander@592: 		pTimer = (*iter);
dvander@592: 		if (gpGlobals->curtime >= pTimer->m_ToExec)
dvander@592: 		{
dvander@592: 			pTimer->m_InExec = true;
dvander@592: 			res = pTimer->m_Listener->OnTimer(pTimer, pTimer->m_pData);
dvander@592: 			if (pTimer->m_KillMe || (res == Pl_Stop))
dvander@592: 			{
dvander@592: 				pTimer->m_Listener->OnTimerEnd(pTimer, pTimer->m_pData);
dvander@592: 				iter = m_LoopTimers.erase(iter);
dvander@592: 				m_FreeTimers.push(pTimer);
dvander@592: 				continue;
dvander@592: 			}
dvander@592: 			pTimer->m_InExec = false;
dvander@592: 			pTimer->m_ToExec = gpGlobals->curtime + pTimer->m_Interval;
dvander@592: 		}
dvander@592: 		iter++;
dvander@592: 	}
dvander@592: 
dvander@592: 	m_LastExecTime = gpGlobals->curtime;
dvander@592: }
dvander@592: 
dvander@616: ITimer *TimerSystem::CreateTimer(ITimedEvent *pCallbacks, float fInterval, void *pData, int flags)
dvander@592: {
dvander@592: 	ITimer *pTimer;
dvander@592: 	TimerIter iter;
dvander@592: 	float to_exec = gpGlobals->curtime + fInterval;
dvander@592: 
dvander@592: 	if (m_FreeTimers.empty())
dvander@592: 	{
dvander@592: 		pTimer = new ITimer;
dvander@592: 	} else {
dvander@592: 		pTimer = m_FreeTimers.front();
dvander@592: 		m_FreeTimers.pop();
dvander@592: 	}
dvander@592: 
dvander@592: 	pTimer->Initialize(pCallbacks, fInterval, to_exec, pData, flags);
dvander@592: 
dvander@592: 	if (flags & TIMER_FLAG_REPEAT)
dvander@592: 	{
dvander@592: 		m_LoopTimers.push_back(pTimer);
dvander@592: 		goto return_timer;
dvander@592: 	}
dvander@592: 
dvander@592: 	if (m_SingleTimers.size() >= 1)
dvander@592: 	{
dvander@592: 		iter = --m_SingleTimers.end();
dvander@592: 		if ((*iter)->m_ToExec <= to_exec)
dvander@592: 		{
dvander@592: 			goto insert_end;
dvander@592: 		}
dvander@592: 	}
dvander@592: 
dvander@592: 	for (iter=m_SingleTimers.begin(); iter!=m_SingleTimers.end(); iter++)
dvander@592: 	{
dvander@592: 		if ((*iter)->m_ToExec >= to_exec)
dvander@592: 		{
dvander@592: 			m_SingleTimers.insert(iter, pTimer);
dvander@592: 			goto return_timer;
dvander@592: 		}
dvander@592: 	}
dvander@592: 
dvander@592: insert_end:
dvander@592: 	m_SingleTimers.push_back(pTimer);
dvander@592: 
dvander@592: return_timer:
dvander@592: 	return pTimer;
dvander@592: }
dvander@592: 
dvander@616: void TimerSystem::FireTimerOnce(ITimer *pTimer, bool delayExec)
dvander@592: {
dvander@592: 	ResultType res;
dvander@592: 
dvander@592: 	if (pTimer->m_InExec)
dvander@592: 	{
dvander@592: 		return;
dvander@592: 	}
dvander@592: 
dvander@592: 	pTimer->m_InExec = true;
dvander@592: 	res = pTimer->m_Listener->OnTimer(pTimer, pTimer->m_pData);
dvander@592: 
dvander@592: 	if (!(pTimer->m_Flags & TIMER_FLAG_REPEAT))
dvander@592: 	{
dvander@592: 		pTimer->m_Listener->OnTimerEnd(pTimer, pTimer->m_pData);
dvander@592: 		m_SingleTimers.remove(pTimer);
dvander@592: 		m_FreeTimers.push(pTimer);
dvander@592: 	} else {
faluco@612: 		if ((res != Pl_Stop) && !pTimer->m_KillMe)
dvander@592: 		{
faluco@612: 			if (delayExec)
faluco@612: 			{
faluco@612: 				pTimer->m_ToExec = gpGlobals->curtime + pTimer->m_Interval;
faluco@612: 			}
dvander@592: 			pTimer->m_InExec = false;
dvander@592: 			return;
dvander@592: 		}
dvander@592: 		pTimer->m_Listener->OnTimerEnd(pTimer, pTimer->m_pData);
dvander@592: 		m_LoopTimers.remove(pTimer);
dvander@592: 		m_FreeTimers.push(pTimer);
dvander@592: 	}
dvander@592: }
dvander@592: 
dvander@616: void TimerSystem::KillTimer(ITimer *pTimer)
dvander@592: {
dvander@592: 	TimerList *pList;
dvander@592: 
dvander@592: 	if (pTimer->m_KillMe)
dvander@592: 	{
dvander@592: 		return;
dvander@592: 	}
dvander@592: 
dvander@592: 	if (pTimer->m_InExec)
dvander@592: 	{
dvander@592: 		pTimer->m_KillMe = true;
dvander@592: 		return;
dvander@592: 	}
dvander@592: 
dvander@592: 	pTimer->m_InExec = true; /* The timer it's not really executed but this check needs to be done */
dvander@592: 	pTimer->m_Listener->OnTimerEnd(pTimer, pTimer->m_pData);
dvander@592: 
dvander@592: 	pList = (pTimer->m_Flags & TIMER_FLAG_REPEAT) ? &m_LoopTimers : &m_SingleTimers;
dvander@592: 
dvander@592: 	pList->remove(pTimer);
dvander@592: 	m_FreeTimers.push(pTimer);
dvander@592: }
dvander@592: 
dvander@616: void TimerSystem::MapChange()
dvander@592: {
dvander@592: 	ITimer *pTimer;
dvander@592: 	TimerIter iter;
dvander@592: 
dvander@592: 	for (iter=m_SingleTimers.begin(); iter!=m_SingleTimers.end(); iter++)
dvander@592: 	{
dvander@592: 		pTimer = (*iter);
dvander@592: 		pTimer->m_ToExec = pTimer->m_ToExec - m_LastExecTime + gpGlobals->curtime;
dvander@592: 	}
dvander@592: 
dvander@592: 	for (iter=m_LoopTimers.begin(); iter!=m_LoopTimers.end(); iter++)
dvander@592: 	{
dvander@592: 		pTimer = (*iter);
dvander@592: 		pTimer->m_ToExec = pTimer->m_ToExec - m_LastExecTime + gpGlobals->curtime;
dvander@592: 	}
dvander@592: }