void C_BaseAnimatingOverlay::DoAnimationEvents( CStudioHdr *pStudioHdr )
{
	if ( !pStudioHdr || !pStudioHdr->SequencesAvailable() )
		return;

	MDLCACHE_CRITICAL_SECTION();

	int nSequences = pStudioHdr->GetNumSeq();

	BaseClass::DoAnimationEvents( pStudioHdr );

	bool watch = false; // Q_strstr( hdr->name, "rifle" ) ? true : false;

	CheckForLayerChanges( pStudioHdr, gpGlobals->curtime ); // !!!

	int j;
	for (j = 0; j < m_AnimOverlay.Count(); j++)
	{
		if ( m_AnimOverlay[j].m_nSequence >= nSequences )
		{
			continue;
		}

		mstudioseqdesc_t &seqdesc = pStudioHdr->pSeqdesc( m_AnimOverlay[j].m_nSequence );
		if ( seqdesc.numevents == 0 )
			continue;

		// stalled?
		if (m_AnimOverlay[j].m_flCycle == m_flOverlayPrevEventCycle[j])
			continue;

		// check for looping
		BOOL bLooped = false;
		if (m_AnimOverlay[j].m_flCycle <= m_flOverlayPrevEventCycle[j])
		{
			if (m_flOverlayPrevEventCycle[j] - m_AnimOverlay[j].m_flCycle > 0.5)
			{
				bLooped = true;
			}
			else
			{
				// things have backed up, which is bad since it'll probably result in a hitch in the animation playback
				// but, don't play events again for the same time slice
				return;
			}
		}

		mstudioevent_t *pevent = seqdesc.pEvent( 0 );

		// This makes sure events that occur at the end of a sequence occur are
		// sent before events that occur at the beginning of a sequence.
		if (bLooped)
		{
			for (int i = 0; i < (int)seqdesc.numevents; i++)
			{
				// ignore all non-client-side events
				if ( pevent[i].type & AE_TYPE_NEWEVENTSYSTEM )
				{
					//TGB: added shared
					//if ( !( pevent[i].type & AE_TYPE_CLIENT ) )
					if ( !( pevent[i].type & AE_TYPE_CLIENT|AE_TYPE_SHARED ) )
						continue;
				}
				else if ( pevent[i].event < 5000 ) //Adrian - Support the old event system
					continue;
			
				if ( pevent[i].cycle <= m_flOverlayPrevEventCycle[j] )
					continue;
				
				if ( watch )
				{
					Msg( "%i FE %i Looped cycle %f, prev %f ev %f (time %.3f)\n",
						gpGlobals->tickcount,
						pevent[i].event,
						pevent[i].cycle,
						m_flOverlayPrevEventCycle[j],
						m_AnimOverlay[j].m_flCycle,
						gpGlobals->curtime );
				}
					
					
				FireEvent( GetAbsOrigin(), GetAbsAngles(), pevent[ i ].event, pevent[ i ].pszOptions() );
			}

			// Necessary to get the next loop working
			m_flOverlayPrevEventCycle[j] = -0.01;
		}

		for (int i = 0; i < (int)seqdesc.numevents; i++)
		{
			if ( pevent[i].type & AE_TYPE_NEWEVENTSYSTEM )
			{
				//TGB: added shared
				//if ( !( pevent[i].type & AE_TYPE_CLIENT ) )
				if ( !( pevent[i].type & AE_TYPE_CLIENT|AE_TYPE_SHARED ) )
					continue;
			}
			else if ( pevent[i].event < 5000 ) //Adrian - Support the old event system
				continue;

			if ( (pevent[i].cycle > m_flOverlayPrevEventCycle[j] && pevent[i].cycle <= m_AnimOverlay[j].m_flCycle) )
			{
				if ( watch )
				{
					Msg( "%i (seq: %d) FE %i Normal cycle %f, prev %f ev %f (time %.3f)\n",
						gpGlobals->tickcount,
						m_AnimOverlay[j].m_nSequence,
						pevent[i].event,
						pevent[i].cycle,
						m_flOverlayPrevEventCycle[j],
						m_AnimOverlay[j].m_flCycle,
						gpGlobals->curtime );
				}

				FireEvent( GetAbsOrigin(), GetAbsAngles(), pevent[ i ].event, pevent[ i ].pszOptions() );
			}
		}

		m_flOverlayPrevEventCycle[j] = m_AnimOverlay[j].m_flCycle;
	}
}
void C_BaseAnimatingOverlay::DoAnimationEvents( CStudioHdr *pStudioHdr )
{
	MDLCACHE_CRITICAL_SECTION();
	if ( !pStudioHdr || !pStudioHdr->SequencesAvailable() )
		return;


	int nSequences = pStudioHdr->GetNumSeq();

	BaseClass::DoAnimationEvents( pStudioHdr );

	bool watch = false; // Q_strstr( hdr->name, "rifle" ) ? true : false;

	CheckForLayerChanges( pStudioHdr, gpGlobals->curtime ); // !!!

	int j;
	for (j = 0; j < m_AnimOverlay.Count(); j++)
	{
		if ( m_AnimOverlay[j].m_nSequence >= nSequences )
		{
			continue;
		}

		// Don't bother with 0-weight layers
		if ( m_AnimOverlay[j].m_flWeight == 0.0f || m_AnimOverlay[j].m_nOrder == MAX_OVERLAYS )
		{
			continue;
		}

		mstudioseqdesc_t &seqdesc = pStudioHdr->pSeqdesc( m_AnimOverlay[j].m_nSequence );
		if ( seqdesc.numevents == 0 )
			continue;

		// stalled?
		if (m_AnimOverlay[j].m_flCycle == m_flOverlayPrevEventCycle[j])
			continue;

		bool bLoopingSequence = IsSequenceLooping( m_AnimOverlay[j].m_nSequence );

		bool bLooped = false;

		//in client code, m_flOverlayPrevEventCycle is set to -1 when we first start an overlay, looping or not
		if ( bLoopingSequence &&
			m_flOverlayPrevEventCycle[j] > 0.0f &&
			m_AnimOverlay[j].m_flCycle <= m_flOverlayPrevEventCycle[j] )
		{
			if (m_flOverlayPrevEventCycle[j] - m_AnimOverlay[j].m_flCycle > 0.5)
			{
				bLooped = true;
			}
			else
			{
				// things have backed up, which is bad since it'll probably result in a hitch in the animation playback
				// but, don't play events again for the same time slice
				return;
			}
		}

		mstudioevent_t *pevent = GetEventIndexForSequence( seqdesc );

		// This makes sure events that occur at the end of a sequence occur are
		// sent before events that occur at the beginning of a sequence.
		if (bLooped)
		{
			for (int i = 0; i < (int)seqdesc.numevents; i++)
			{
				// ignore all non-client-side events
				if ( pevent[i].type & AE_TYPE_NEWEVENTSYSTEM )
				{
					if ( !(pevent[i].type & AE_TYPE_CLIENT) )
						 continue;
				}
				else if ( pevent[i].Event_OldSystem() < EVENT_CLIENT ) //Adrian - Support the old event system
					continue;
			
				if ( pevent[i].cycle <= m_flOverlayPrevEventCycle[j] )
					continue;
				
				if ( watch )
				{
					Msg( "%i FE %i Looped cycle %f, prev %f ev %f (time %.3f)\n",
						gpGlobals->tickcount,
						pevent[i].Event(),
						pevent[i].cycle,
						(float)m_flOverlayPrevEventCycle[j],
						(float)m_AnimOverlay[j].m_flCycle,
						gpGlobals->curtime );
				}
					
					
				FireEvent( GetAbsOrigin(), GetAbsAngles(), pevent[ i ].Event(), pevent[ i ].pszOptions() );
			}

			// Necessary to get the next loop working
			m_flOverlayPrevEventCycle[j] = -0.01;
		}

		for (int i = 0; i < (int)seqdesc.numevents; i++)
		{
			if ( pevent[i].type & AE_TYPE_NEWEVENTSYSTEM )
			{
				if ( !(pevent[i].type & AE_TYPE_CLIENT) )
					 continue;
			}
			else if ( pevent[i].Event_OldSystem() < EVENT_CLIENT ) //Adrian - Support the old event system
				continue;

			bool bStartedSequence = ( m_flOverlayPrevEventCycle[j] > m_AnimOverlay[j].m_flCycle || m_flOverlayPrevEventCycle[j] == 0 );

			if ( ( ( pevent[i].cycle > m_flOverlayPrevEventCycle[j] || bStartedSequence && pevent[i].cycle == 0 ) && pevent[i].cycle <= m_AnimOverlay[j].m_flCycle) )
			{
				if ( watch )
				{
					Msg( "%i (seq: %d) FE %i Normal cycle %f, prev %f ev %f (time %.3f)\n",
						gpGlobals->tickcount,
						(int)m_AnimOverlay[j].m_nSequence,
						(int)pevent[i].Event(),
						(float)pevent[i].cycle,
						(float)m_flOverlayPrevEventCycle[j],
						(float)m_AnimOverlay[j].m_flCycle,
						gpGlobals->curtime );
				}

				FireEvent( GetAbsOrigin(), GetAbsAngles(), pevent[ i ].Event(), pevent[ i ].pszOptions() );
			}
		}

		m_flOverlayPrevEventCycle[j] = m_AnimOverlay[j].m_flCycle;
	}
}
void C_BaseAnimatingOverlay::AccumulateLayers( CStudioHdr *hdr, Vector pos[], Quaternion q[], float poseparam[], float currentTime, int boneMask )
{
	BaseClass::AccumulateLayers( hdr, pos, q, poseparam, currentTime, boneMask );
	int i;

	// resort the layers
	int layer[MAX_OVERLAYS];
	for (i = 0; i < MAX_OVERLAYS; i++)
	{
		layer[i] = MAX_OVERLAYS;
	}
	for (i = 0; i < m_AnimOverlay.Count(); i++)
	{
		if (m_AnimOverlay[i].m_nOrder < MAX_OVERLAYS)
		{
			/*
			Assert( layer[m_AnimOverlay[i].m_nOrder] == MAX_OVERLAYS );
			layer[m_AnimOverlay[i].m_nOrder] = i;
			*/
			// hacky code until initialization of new layers is finished
			if (layer[m_AnimOverlay[i].m_nOrder] != MAX_OVERLAYS)
			{
				m_AnimOverlay[i].m_nOrder = MAX_OVERLAYS;
			}
			else
			{
				layer[m_AnimOverlay[i].m_nOrder] = i;
			}
		}
	}

	CheckForLayerChanges( hdr, currentTime );

	int nSequences = hdr->GetNumSeq();

	// add in the overlay layers
	int j;
	for (j = 0; j < MAX_OVERLAYS; j++)
	{
		i = layer[ j ];
		if (i < m_AnimOverlay.Count())
		{
			if ( m_AnimOverlay[i].m_nSequence >= nSequences )
			{
				continue;
			}

			/*
			DevMsgRT( 1 , "%.3f  %.3f  %.3f\n", currentTime, fWeight, dadt );
			debugoverlay->AddTextOverlay( GetAbsOrigin() + Vector( 0, 0, 64 ), -j - 1, 0, 
				"%2d(%s) : %6.2f : %6.2f", 
					m_AnimOverlay[i].m_nSequence,
					hdr->pSeqdesc( m_AnimOverlay[i].m_nSequence )->pszLabel(),
					m_AnimOverlay[i].m_flCycle, 
					m_AnimOverlay[i].m_flWeight
					);
			*/

			float fWeight = m_AnimOverlay[i].m_flWeight;

			if (fWeight > 0)
			{
				// check to see if the sequence changed
				// FIXME: move this to somewhere more reasonable
				// do a nice spline interpolation of the values
				// if ( m_AnimOverlay[i].m_nSequence != m_iv_AnimOverlay.GetPrev( i )->nSequence )
				float fCycle = m_AnimOverlay[ i ].m_flCycle;

				fCycle = ClampCycle( fCycle, IsSequenceLooping( m_AnimOverlay[i].m_nSequence ) );

				if (fWeight > 1)
					fWeight = 1;

				AccumulatePose( hdr, m_pIk, pos, q, m_AnimOverlay[i].m_nSequence, fCycle, poseparam, boneMask, fWeight, currentTime );

#if _DEBUG
				if (Q_stristr( hdr->pszName(), r_sequence_debug.GetString()) != NULL)
				{
					if (1)
					{
						DevMsgRT( "%6.2f : %30s : %5.3f : %4.2f : %1d\n", currentTime, hdr->pSeqdesc( m_AnimOverlay[i].m_nSequence ).pszLabel(), fCycle, fWeight, i );
					}
					else
					{
						int iHead, iPrev1, iPrev2;
						m_iv_AnimOverlay[i].GetInterpolationInfo( currentTime, &iHead, &iPrev1, &iPrev2 );

						// fake up previous cycle values.
						float t0;
						C_AnimationLayer *pHead = m_iv_AnimOverlay[i].GetHistoryValue( iHead, t0 );
						// reset previous
						float t1;
						C_AnimationLayer *pPrev1 = m_iv_AnimOverlay[i].GetHistoryValue( iPrev1, t1 );
						// reset previous previous
						float t2;
						C_AnimationLayer *pPrev2 = m_iv_AnimOverlay[i].GetHistoryValue( iPrev2, t2 );

						if ( pHead && pPrev1 && pPrev2 )
						{
							DevMsgRT( "%6.2f : %30s %6.2f (%6.2f:%6.2f:%6.2f) : %6.2f (%6.2f:%6.2f:%6.2f) : %1d\n", currentTime, hdr->pSeqdesc( m_AnimOverlay[i].m_nSequence ).pszLabel(), 
								fCycle, (float)pPrev2->m_flCycle, (float)pPrev1->m_flCycle, (float)pHead->m_flCycle,
								fWeight, (float)pPrev2->m_flWeight, (float)pPrev1->m_flWeight, (float)pHead->m_flWeight,
								i );
						}
						else
						{
							DevMsgRT( "%6.2f : %30s %6.2f : %6.2f : %1d\n", currentTime, hdr->pSeqdesc( m_AnimOverlay[i].m_nSequence ).pszLabel(), fCycle, fWeight, i );
						}

					}
				}
#endif
			}
		}
	}
}
//#define DEBUG_TF2_OVERLAYS
void C_BaseAnimatingOverlay::AccumulateLayers( IBoneSetup &boneSetup, Vector pos[], Quaternion q[], float currentTime )
{
	BaseClass::AccumulateLayers( boneSetup, pos, q, currentTime );
	int i;

	// resort the layers
	int layer[MAX_OVERLAYS];
	for (i = 0; i < MAX_OVERLAYS; i++)
	{
		layer[i] = MAX_OVERLAYS;
	}

	for (i = 0; i < m_AnimOverlay.Count(); i++)
	{
		if (m_AnimOverlay[i].m_nOrder < MAX_OVERLAYS)
		{
			/*
			Assert( layer[m_AnimOverlay[i].m_nOrder] == MAX_OVERLAYS );
			layer[m_AnimOverlay[i].m_nOrder] = i;
			*/
			// hacky code until initialization of new layers is finished
			if ( layer[m_AnimOverlay[i].m_nOrder] != MAX_OVERLAYS )
			{
				m_AnimOverlay[i].SetOrder( MAX_OVERLAYS );
			}
			else
			{
				layer[m_AnimOverlay[i].m_nOrder] = i;
			}
		}
	}

	CheckForLayerChanges( boneSetup.GetStudioHdr(), currentTime );

	int nSequences = boneSetup.GetStudioHdr()->GetNumSeq();

	// add in the overlay layers
	int j;
	for (j = 0; j < MAX_OVERLAYS; j++)
	{
		i = layer[ j ];
		if ( i >= m_AnimOverlay.Count() )
		{
#if defined( DEBUG_TF2_OVERLAYS )
			engine->Con_NPrintf( 10 + j, "%30s %6.2f : %6.2f : %1d", "            ", 0.f, 0.f, i );
#endif
			continue;
		}

		if ( m_AnimOverlay[i].m_nSequence >= nSequences )
			continue;

		/*
		DevMsgRT( 1 , "%.3f  %.3f  %.3f\n", currentTime, fWeight, dadt );
		debugoverlay->AddTextOverlay( GetAbsOrigin() + Vector( 0, 0, 64 ), -j - 1, 0, 
			"%2d(%s) : %6.2f : %6.2f", 
				m_AnimOverlay[i].m_nSequence,
				boneSetup.GetStudioHdr()->pSeqdesc( m_AnimOverlay[i].m_nSequence )->pszLabel(),
				m_AnimOverlay[i].m_flCycle, 
				m_AnimOverlay[i].m_flWeight
				);
		*/

		float fWeight = m_AnimOverlay[i].m_flWeight;
		if ( fWeight <= 0.0f )
		{
#if defined( DEBUG_TF2_OVERLAYS )
			engine->Con_NPrintf( 10 + j, "%30s %6.2f : %6.2f : %1d", "            ", 0.f, 0.f, i );
#endif
			continue;
		}

		// check to see if the sequence changed
		// FIXME: move this to somewhere more reasonable
		// do a nice spline interpolation of the values
		// if ( m_AnimOverlay[i].m_nSequence != m_iv_AnimOverlay.GetPrev( i )->nSequence )
		float fCycle = m_AnimOverlay[ i ].m_flCycle;
		fCycle = ClampCycle( fCycle, IsSequenceLooping( m_AnimOverlay[i].m_nSequence ) );

		if (fWeight > 1.0f)
		{
			fWeight = 1.0f;
		}

		boneSetup.AccumulatePose( pos, q, m_AnimOverlay[i].m_nSequence, fCycle, fWeight, currentTime, m_pIk );

#if defined( DEBUG_TF2_OVERLAYS )
		engine->Con_NPrintf( 10 + j, "%30s %6.2f : %6.2f : %1d", boneSetup.GetStudioHdr()->pSeqdesc( m_AnimOverlay[i].m_nSequence ).pszLabel(), fCycle, fWeight, i );
#endif

#if 1 // _DEBUG
		if (r_sequence_debug.GetInt() == entindex())
		{
			if (1)
			{
				DevMsgRT( "%8.4f : %30s : %5.3f : %4.2f : %1d\n", currentTime, boneSetup.GetStudioHdr()->pSeqdesc( m_AnimOverlay[i].m_nSequence ).pszLabel(), fCycle, fWeight, i );
			}
			else
			{
				int iHead, iPrev1, iPrev2;
				m_iv_AnimOverlay[i].GetInterpolationInfo( currentTime, &iHead, &iPrev1, &iPrev2 );

				// fake up previous cycle values.
				float t0;
				CAnimationLayer *pHead = m_iv_AnimOverlay[i].GetHistoryValue( iHead, t0 );
				// reset previous
				float t1;
				CAnimationLayer *pPrev1 = m_iv_AnimOverlay[i].GetHistoryValue( iPrev1, t1 );
				// reset previous previous
				float t2;
				CAnimationLayer *pPrev2 = m_iv_AnimOverlay[i].GetHistoryValue( iPrev2, t2 );

				if ( pHead && pPrev1 && pPrev2 )
				{
					DevMsgRT( "%6.2f : %30s %6.2f (%6.2f:%6.2f:%6.2f) : %6.2f (%6.2f:%6.2f:%6.2f) : %1d\n", currentTime, boneSetup.GetStudioHdr()->pSeqdesc( m_AnimOverlay[i].m_nSequence ).pszLabel(), 
						fCycle, (float)pPrev2->m_flCycle, (float)pPrev1->m_flCycle, (float)pHead->m_flCycle,
						fWeight, (float)pPrev2->m_flWeight, (float)pPrev1->m_flWeight, (float)pHead->m_flWeight,
						i );
				}
				else
				{
					DevMsgRT( "%6.2f : %30s %6.2f : %6.2f : %1d\n", currentTime, boneSetup.GetStudioHdr()->pSeqdesc( m_AnimOverlay[i].m_nSequence ).pszLabel(), fCycle, fWeight, i );
				}

			}
		}
#endif
	}
}