//-----------------------------------------------------------------------------
// Performs the think function
//-----------------------------------------------------------------------------
void CClientThinkList::PerformThinkFunction( ThinkEntry_t *pEntry, float flCurtime )
{
IClientThinkable *pThink = ClientEntityList().GetClientThinkableFromHandle( pEntry->m_hEnt );
if ( !pThink )
{
RemoveThinkable( pEntry->m_hEnt );
return;
}
if ( pEntry->m_flNextClientThink == CLIENT_THINK_ALWAYS )
{
// NOTE: The Think function here could call SetNextClientThink
// which would cause it to be removed + readded into the list
pThink->ClientThink();
}
else if ( pEntry->m_flNextClientThink == FLT_MAX )
{
// This is an entity that doesn't need to think again; remove it
RemoveThinkable( pEntry->m_hEnt );
}
else
{
Assert( pEntry->m_flNextClientThink <= flCurtime );
// Indicate we're not going to think again
pEntry->m_flNextClientThink = FLT_MAX;
// NOTE: The Think function here could call SetNextClientThink
// which would cause it to be readded into the list
pThink->ClientThink();
}
// Set this after the Think calls in case they look at LastClientThink
pEntry->m_flLastClientThink = flCurtime;
}
void CClientThinkList::PerformThinkFunctions()
{
float curtime = gpGlobals->curtime;
unsigned long iNext;
for ( unsigned long iCur=m_ThinkEntries.Head(); iCur != m_ThinkEntries.InvalidIndex(); iCur = iNext )
{
iNext = m_ThinkEntries.Next( iCur );
CThinkEntry *pEntry = &m_ThinkEntries[iCur];
IClientThinkable *pThink = ClientEntityList().GetClientThinkableFromHandle( pEntry->m_hEnt );
if ( pThink )
{
if ( pEntry->m_flNextClientThink == CLIENT_THINK_ALWAYS )
{
// NOTE: The Think function here could call SetNextClientThink
// which would cause it to be removed + readded into the list
pThink->ClientThink();
// NOTE: The Think() call can cause other things to be added to the Think
// list, which could reallocate memory and invalidate the pEntry pointer
pEntry = &m_ThinkEntries[iCur];
}
else if ( pEntry->m_flNextClientThink < curtime )
{
pEntry->m_flNextClientThink = curtime;
// NOTE: The Think function here could call SetNextClientThink
// which would cause it to be readded into the list
pThink->ClientThink();
// NOTE: The Think() call can cause other things to be added to the Think
// list, which could reallocate memory and invalidate the pEntry pointer
pEntry = &m_ThinkEntries[iCur];
// If they haven't changed the think time, then it should be removed.
if ( pEntry->m_flNextClientThink == curtime )
{
RemoveThinkable( pEntry->m_hEnt );
}
}
Assert( pEntry == &m_ThinkEntries[iCur] );
// Set this after the Think calls in case they look at LastClientThink
m_ThinkEntries[iCur].m_flLastClientThink = curtime;
}
else
{
// This should be almost impossible. When ClientEntityHandle_t's are versioned,
// this should be totally impossible.
Assert( false );
m_ThinkEntries.Remove( iCur );
}
}
// Clear out the client-side entity deletion list.
CleanUpDeleteList();
}