void CBaseAnimatingOverlay::GetSkeleton( CStudioHdr *pStudioHdr, Vector pos[], Quaternion q[], int boneMask )
{
	if(!pStudioHdr)
	{
		Assert(!"CBaseAnimating::GetSkeleton() without a model");
		return;
	}

	if (!pStudioHdr->SequencesAvailable())
	{
		return;
	}

	InitPose( pStudioHdr, pos, q, boneMask );

	AccumulatePose( pStudioHdr, m_pIk, pos, q, GetSequence(), GetCycle(), GetPoseParameterArray(), boneMask, 1.0, gpGlobals->curtime );

	// sort the layers
	int layer[MAX_OVERLAYS];
	int i;
	for (i = 0; i < m_AnimOverlay.Count(); i++)
	{
		layer[i] = MAX_OVERLAYS;
	}
	for (i = 0; i < m_AnimOverlay.Count(); i++)
	{
		CAnimationLayer &pLayer = m_AnimOverlay[i];
		if( (pLayer.m_flWeight > 0) && pLayer.IsActive() && pLayer.m_nOrder >= 0 && pLayer.m_nOrder < m_AnimOverlay.Count())
		{
			layer[pLayer.m_nOrder] = i;
		}
	}
	for (i = 0; i < m_AnimOverlay.Count(); i++)
	{
		if (layer[i] >= 0 && layer[i] < m_AnimOverlay.Count())
		{
			CAnimationLayer &pLayer = m_AnimOverlay[layer[i]];
			// UNDONE: Is it correct to use overlay weight for IK too?
			AccumulatePose( pStudioHdr, m_pIk, pos, q, pLayer.m_nSequence, pLayer.m_flCycle, GetPoseParameterArray(), boneMask, pLayer.m_flWeight, gpGlobals->curtime );
		}
	}

	if ( m_pIk )
	{
		CIKContext auto_ik;
		auto_ik.Init( pStudioHdr, GetAbsAngles(), GetAbsOrigin(), gpGlobals->curtime, 0, boneMask );
		CalcAutoplaySequences( pStudioHdr, &auto_ik, pos, q, GetPoseParameterArray(), boneMask, gpGlobals->curtime );
	}
	else
	{
		CalcAutoplaySequences( pStudioHdr, NULL, pos, q, GetPoseParameterArray(), boneMask, gpGlobals->curtime );
	}
	CalcBoneAdj( pStudioHdr, pos, q, GetEncodedControllerArray(), boneMask );
}
//-----------------------------------------------------------------------------
// Purpose: 
//-----------------------------------------------------------------------------
void C_AI_BaseHumanoid::StandardBlendingRules( Vector pos[], Quaternion q[], float currentTime, int boneMask )
{
	VPROF( "C_AI_BaseHumanoid::StandardBlendingRules" );

	BaseClass::StandardBlendingRules( pos, q, currentTime, boneMask );

	studiohdr_t *hdr = InitModel();
	if ( !hdr )
	{
		return;
	}

#if 0
	float		poseparam[MAXSTUDIOPOSEPARAM];

	if (m_nSequence >=  hdr->numseq) 
	{
		m_nSequence = 0;
	}

	// interpolate pose parameters
	for (int i = 0; i < hdr->numposeparameters; i++)
	{
		poseparam[ i ] = m_flPoseParameter[i];
	}

	// build root animation
	float fCycle = m_flCycle;
	CalcPose( hdr, NULL, pos, q, m_nSequence, fCycle, poseparam );

	// debugoverlay->AddTextOverlay( GetAbsOrigin() + Vector( 0, 0, 64 ), 0, 0, "%30s %6.2f : %6.2f", hdr->pSeqdesc( m_nSequence )->pszLabel( ), fCycle, 1.0 );

	MaintainSequenceTransitions( fCycle, poseparam, pos, q, boneMask );

#if 1
	for (i = 0; i < 4; i++)
	{
		if (m_Layer[i][2].nSequence != m_Layer[i][1].nSequence)
		{
			if (m_Layer[i][2].flWeight > 0.5) m_Layer[i][1].flWeight = 1.0; else m_Layer[i][1].flWeight = 0;
		}
	}
#endif

#if 1
	for (i = 0; i < 4; i++)
	{
		Vector		pos2[MAXSTUDIOBONES];
		Quaternion	q2[MAXSTUDIOBONES];
		float fWeight = m_Layer[i][1].flWeight * (1 - dadt) + m_Layer[i][2].flWeight * dadt;

		/*
		debugoverlay->AddTextOverlay( GetAbsOrigin() + Vector( 0, 0, 64 ), -i - 1, 0, 
			"%2d %6.2f %6.2f : %2d %6.2f %6.2f : %2d %6.2f %6.2f", 
				m_Layer[i][0].nSequence, m_Layer[i][0].flCycle, m_Layer[i][0].flWeight,
				m_Layer[i][1].nSequence, m_Layer[i][1].flCycle, m_Layer[i][1].flWeight,
				m_Layer[i][2].nSequence, m_Layer[i][2].flCycle, m_Layer[i][2].flWeight );
		*/

		if (fWeight > 0)
		{
			mstudioseqdesc_t *pseqdesc = hdr->pSeqdesc( m_Layer[i][2].nSequence );

			float fCycle =  m_Layer[i][2].flCycle;

			// UNDONE: Do IK here.
			CalcPose( hdr, NULL, pos2, q2, m_Layer[i][2].nSequence, fCycle, poseparam );

			if (fWeight > 1)
				fWeight = 1;
			SlerpBones( hdr, q, pos, pseqdesc, q2, pos2, fWeight );

			engine->Con_NPrintf( 10 + i, "%30s %6.2f : %6.2f", pseqdesc->pszLabel(), fCycle, fWeight );
		}
		else
		{
			engine->Con_NPrintf( 10 + i, "%30s %6.2f : %6.2f", "            ", 0, 0 );
		}

	}
#endif

	CIKContext auto_ik;
	auto_ik.Init( hdr, GetRenderAngles(), GetRenderOrigin(), gpGlobals->curtime );
	CalcAutoplaySequences( hdr, &auto_ik, pos, q, poseparam, boneMask, currentTime );

	float controllers[MAXSTUDIOBONECTRLS];
	GetBoneControllers(controllers);
	CalcBoneAdj( hdr, pos, q, controllers );
#endif
}