bool CClientFXMgr::UpdateAllActiveFX()
{
//track our performance
CTimedSystemBlock TimingBlock(g_tsClientFXUpdate);
//Update our frame time, before any early outs so there aren't giant pops when the early
//out fails
float fFrameTime = m_Timer.GetTimerElapsedS();
//add in all the effects from our next update list and clear that out
LTListIter<CClientFXInstance*> itFXInstance = m_NextUpdateFXList.Begin();
while(itFXInstance != m_NextUpdateFXList.End())
{
CClientFXInstance* pFXInstance = *itFXInstance;
itFXInstance++;
pFXInstance->m_FXListLink.Remove();
m_FXInstanceList.AddTail(&pFXInstance->m_FXListLink);
}
HCONSOLEVAR hVar = m_pClientDE->GetConsoleVariable("UpdateClientFX");
if (hVar)
{
float fVal = m_pClientDE->GetConsoleVariableFloat(hVar);
if (!fVal)
return true;
}
//see if we should even update
if( g_pGameClientShell->IsServerPaused( ))
{
//no time has elapsed, don't bother updating
return true;
}
//
// Update the group Instances
//
itFXInstance = m_FXInstanceList.Begin();
while(itFXInstance != m_FXInstanceList.End())
{
CClientFXInstance* pInst = *itFXInstance;
itFXInstance++;
//see if this instance is suspended, if so, just call the suspended update
if(pInst->UpdateSuspended())
{
//just run through all effects and give them a suspended updata
LTListIter<CBaseFX*> itActiveFX = pInst->m_ActiveFXList.Begin();
while(itActiveFX != pInst->m_ActiveFXList.End())
{
CBaseFX* pFX = *itActiveFX;
itActiveFX++;
pFX->SuspendedUpdate(fFrameTime);
}
//don't bother with any interval updating
continue;
}
//determine the start and end of our update interval, relative to the instance
//time frame
float fStartInterval = pInst->m_tmElapsed;
float fEndInterval = fStartInterval + fFrameTime;
//we now need to iteratively break this interval down into a series of intervals that
//do not extend past the end of the effect
bool bLastSegment = false;
while(!bLastSegment)
{
//pick whichever is closest, the end of the interval, or the duration of the
//effect
float fEndSegment = pInst->m_fDuration;
if(fEndInterval < pInst->m_fDuration)
{
bLastSegment = true;
fEndSegment = fEndInterval;
}
//alright, we now have an interval, update all the effects that lie within it
pInst->UpdateInterval(fStartInterval, fEndSegment);
//now move on to the next interval if necessary
if(!bLastSegment)
{
fStartInterval = 0.0f;
fEndInterval -= pInst->m_fDuration;
}
}
//all done, save our time
pInst->m_tmElapsed = fEndInterval;
//see if we are done with this effect
if(pInst->m_ActiveFXList.IsEmpty())
{
// Destroy the instance
DeleteClientFXInstance( pInst );
}
}
// Success !!
return true;
}
