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diff --git a/game/client/c_baseflex.h b/game/client/c_baseflex.h
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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//
+//===========================================================================//
+// Client-side CBasePlayer
+
+#ifndef C_STUDIOFLEX_H
+#define C_STUDIOFLEX_H
+#pragma once
+
+
+#include "c_baseanimating.h"
+#include "c_baseanimatingoverlay.h"
+#include "sceneentity_shared.h"
+
+#include "utlvector.h"
+
+//-----------------------------------------------------------------------------
+// Purpose: Item in list of loaded scene files
+//-----------------------------------------------------------------------------
+class CFlexSceneFile
+{
+public:
+	enum
+	{
+		MAX_FLEX_FILENAME = 128,
+	};
+
+	char			filename[ MAX_FLEX_FILENAME ];
+	void			*buffer;
+};
+
+// For phoneme emphasis track
+struct Emphasized_Phoneme;
+class CSentence;
+
+enum
+{
+	PHONEME_CLASS_WEAK = 0,
+	PHONEME_CLASS_NORMAL,
+	PHONEME_CLASS_STRONG,
+
+	NUM_PHONEME_CLASSES
+};
+
+// Mapping for each loaded scene file used by this actor
+struct FS_LocalToGlobal_t
+{
+	explicit FS_LocalToGlobal_t() :
+	m_Key( 0 ),
+		m_nCount( 0 ),
+		m_Mapping( 0 )
+	{
+	}
+
+	explicit FS_LocalToGlobal_t( const flexsettinghdr_t *key ) :
+	m_Key( key ),
+		m_nCount( 0 ),
+		m_Mapping( 0 )
+	{
+	}		
+
+	void SetCount( int count )
+	{
+		Assert( !m_Mapping );
+		Assert( count > 0 );
+		m_nCount = count;
+		m_Mapping = new int[ m_nCount ];
+		Q_memset( m_Mapping, 0, m_nCount * sizeof( int ) );
+	}
+
+	FS_LocalToGlobal_t( const FS_LocalToGlobal_t& src )
+	{
+		m_Key = src.m_Key;
+		delete m_Mapping;
+		m_Mapping = new int[ src.m_nCount ];
+		Q_memcpy( m_Mapping, src.m_Mapping, src.m_nCount * sizeof( int ) );
+
+		m_nCount = src.m_nCount;
+	}
+
+	~FS_LocalToGlobal_t()
+	{
+		delete m_Mapping;
+		m_nCount = 0;
+		m_Mapping = 0;
+	}
+
+	const flexsettinghdr_t	*m_Key;
+	int						m_nCount;
+	int						*m_Mapping;	
+};
+
+bool FlexSettingLessFunc( const FS_LocalToGlobal_t& lhs, const FS_LocalToGlobal_t& rhs );
+
+class IHasLocalToGlobalFlexSettings
+{
+public:
+	virtual void		EnsureTranslations( const flexsettinghdr_t *pSettinghdr ) = 0;
+};
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+struct Emphasized_Phoneme
+{
+	// Global fields, setup at start
+	char			classname[ 64 ];
+	bool			required;
+	// Global fields setup first time tracks played
+	bool			basechecked;
+	const flexsettinghdr_t *base;
+	const flexsetting_t *exp;
+
+	// Local fields, processed for each sentence
+	bool			valid;
+	float			amount;
+};
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+class C_BaseFlex : public C_BaseAnimatingOverlay, public IHasLocalToGlobalFlexSettings
+{
+	DECLARE_CLASS( C_BaseFlex, C_BaseAnimatingOverlay );
+public:
+	DECLARE_CLIENTCLASS();
+	DECLARE_PREDICTABLE();
+	DECLARE_INTERPOLATION();
+
+					C_BaseFlex();
+	virtual			~C_BaseFlex();
+
+	virtual void Spawn();
+
+	virtual void InitPhonemeMappings();
+
+	void		SetupMappings( char const *pchFileRoot );
+
+	virtual CStudioHdr *OnNewModel( void );
+
+	virtual void	StandardBlendingRules( CStudioHdr *hdr, Vector pos[], Quaternion q[], float currentTime, int boneMask );
+
+	virtual void OnThreadedDrawSetup();
+
+	// model specific
+	virtual void BuildTransformations( CStudioHdr *pStudioHdr, Vector *pos, Quaternion q[], const matrix3x4_t& cameraTransform, int boneMask, CBoneBitList &boneComputed );
+	static void		LinkToGlobalFlexControllers( CStudioHdr *hdr );
+	virtual	void	SetupWeights( const matrix3x4_t *pBoneToWorld, int nFlexWeightCount, float *pFlexWeights, float *pFlexDelayedWeights );
+	virtual	bool	SetupGlobalWeights( const matrix3x4_t *pBoneToWorld, int nFlexWeightCount, float *pFlexWeights, float *pFlexDelayedWeights );
+	static void		RunFlexDelay( int nFlexWeightCount, float *pFlexWeights, float *pFlexDelayedWeights, float &flFlexDelayTime );
+	virtual	void	SetupLocalWeights( const matrix3x4_t *pBoneToWorld, int nFlexWeightCount, float *pFlexWeights, float *pFlexDelayedWeights );
+	virtual bool	UsesFlexDelayedWeights();
+
+	static	void	RunFlexRules( CStudioHdr *pStudioHdr, float *dest );
+
+	virtual Vector	SetViewTarget( CStudioHdr *pStudioHdr );
+
+	virtual bool	GetSoundSpatialization( SpatializationInfo_t& info );
+
+	virtual void	GetToolRecordingState( KeyValues *msg );
+
+	// Called at the lowest level to actually apply a flex animation
+	void				AddFlexAnimation( CSceneEventInfo *info );
+
+	void			SetFlexWeight( LocalFlexController_t index, float value );
+	float			GetFlexWeight( LocalFlexController_t index );
+
+	// Look up flex controller index by global name
+	LocalFlexController_t				FindFlexController( const char *szName );
+
+public:
+	Vector			m_viewtarget;
+	CInterpolatedVar< Vector >	m_iv_viewtarget;
+	// indexed by model local flexcontroller
+	float			m_flexWeight[MAXSTUDIOFLEXCTRL];
+	CInterpolatedVarArray< float, MAXSTUDIOFLEXCTRL >	m_iv_flexWeight;
+
+	int				m_blinktoggle;
+
+	static int		AddGlobalFlexController( const char *szName );
+	static char const *GetGlobalFlexControllerName( int idx );
+
+	// bah, this should be unified with all prev/current stuff.
+
+public:
+
+	// Keep track of what scenes are being played
+	void				StartChoreoScene( CChoreoScene *scene );
+	void				RemoveChoreoScene( CChoreoScene *scene );
+
+	// Start the specifics of an scene event
+	virtual bool		StartSceneEvent( CSceneEventInfo *info, CChoreoScene *scene, CChoreoEvent *event, CChoreoActor *actor, C_BaseEntity *pTarget );
+
+	// Manipulation of events for the object
+	// Should be called by think function to process all scene events
+	// The default implementation resets m_flexWeight array and calls
+	//  AddSceneEvents
+	virtual void		ProcessSceneEvents( bool bFlexEvents );
+
+	// Assumes m_flexWeight array has been set up, this adds the actual currently playing
+	//  expressions to the flex weights and adds other scene events as needed
+	virtual	bool		ProcessSceneEvent( bool bFlexEvents, CSceneEventInfo *info, CChoreoScene *scene, CChoreoEvent *event );
+
+	virtual bool		ProcessSequenceSceneEvent( CSceneEventInfo *info, CChoreoScene *scene, CChoreoEvent *event );
+
+	// Remove all playing events
+	void				ClearSceneEvents( CChoreoScene *scene, bool canceled );
+
+	// Stop specifics of event
+	virtual	bool		ClearSceneEvent( CSceneEventInfo *info, bool fastKill, bool canceled );
+
+	// Add the event to the queue for this actor
+	void				AddSceneEvent( CChoreoScene *scene, CChoreoEvent *event, C_BaseEntity *pTarget = NULL, bool bClientSide = false );
+
+	// Remove the event from the queue for this actor
+	void				RemoveSceneEvent( CChoreoScene *scene, CChoreoEvent *event, bool fastKill );
+
+	// Checks to see if the event should be considered "completed"
+	bool				CheckSceneEvent( float currenttime, CChoreoScene *scene, CChoreoEvent *event );
+
+	// Checks to see if a event should be considered "completed"
+	virtual bool		CheckSceneEventCompletion( CSceneEventInfo *info, float currenttime, CChoreoScene *scene, CChoreoEvent *event );
+
+	int					FlexControllerLocalToGlobal( const flexsettinghdr_t *pSettinghdr, int key );
+
+	// IHasLocalToGlobalFlexSettings
+	virtual void		EnsureTranslations( const flexsettinghdr_t *pSettinghdr );
+
+	// For handling scene files
+	void				*FindSceneFile( const char *filename );
+
+private:
+
+	bool RequestStartSequenceSceneEvent( CSceneEventInfo *info, CChoreoScene *scene, CChoreoEvent *event, CChoreoActor *actor, CBaseEntity *pTarget );
+
+	bool ProcessFlexAnimationSceneEvent( CSceneEventInfo *info, CChoreoScene *scene, CChoreoEvent *event );
+	bool ProcessFlexSettingSceneEvent( CSceneEventInfo *info, CChoreoScene *scene, CChoreoEvent *event );
+	void AddFlexSetting( const char *expr, float scale, 
+		const flexsettinghdr_t *pSettinghdr, bool newexpression );
+
+	// Array of active SceneEvents, in order oldest to newest
+	CUtlVector < CSceneEventInfo >		m_SceneEvents;
+	CUtlVector < CChoreoScene * >		m_ActiveChoreoScenes;
+
+	bool				HasSceneEvents() const;
+
+private:
+	CUtlRBTree< FS_LocalToGlobal_t, unsigned short > m_LocalToGlobal;
+
+	float			m_blinktime;
+	int				m_prevblinktoggle;
+
+	int				m_iBlink;
+	LocalFlexController_t				m_iEyeUpdown;
+	LocalFlexController_t				m_iEyeRightleft;
+	bool			m_bSearchedForEyeFlexes;
+	int				m_iMouthAttachment;
+
+	float			m_flFlexDelayTime;
+	float			*m_flFlexDelayedWeight;
+	int				m_cFlexDelayedWeight;
+
+	// shared flex controllers
+	static int		g_numflexcontrollers;
+	static char		*g_flexcontroller[MAXSTUDIOFLEXCTRL*4]; // room for global set of flexcontrollers
+	static float	g_flexweight[MAXSTUDIOFLEXDESC];
+
+protected:
+
+	Emphasized_Phoneme m_PhonemeClasses[ NUM_PHONEME_CLASSES ];
+
+private:
+
+	C_BaseFlex( const C_BaseFlex & ); // not defined, not accessible
+
+	const flexsetting_t *FindNamedSetting( const flexsettinghdr_t *pSettinghdr, const char *expr );
+
+	void			ProcessVisemes( Emphasized_Phoneme *classes );
+	void			AddVisemesForSentence( Emphasized_Phoneme *classes, float emphasis_intensity, CSentence *sentence, float t, float dt, bool juststarted );
+	void			AddViseme( Emphasized_Phoneme *classes, float emphasis_intensity, int phoneme, float scale, bool newexpression );
+	bool			SetupEmphasisBlend( Emphasized_Phoneme *classes, int phoneme );
+	void			ComputeBlendedSetting( Emphasized_Phoneme *classes, float emphasis_intensity );
+
+#ifdef HL2_CLIENT_DLL
+public:
+
+	Vector			m_vecLean;
+	CInterpolatedVar< Vector >	m_iv_vecLean;
+	Vector			m_vecShift;
+	CInterpolatedVar< Vector >	m_iv_vecShift;
+#endif
+};
+
+
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+class CFlexSceneFileManager : CAutoGameSystem
+{
+public:
+
+	CFlexSceneFileManager() : CAutoGameSystem( "CFlexSceneFileManager" )
+	{
+	}
+
+	virtual bool Init();
+	virtual void Shutdown();
+
+	void EnsureTranslations( IHasLocalToGlobalFlexSettings *instance, const flexsettinghdr_t *pSettinghdr );
+	void *FindSceneFile( IHasLocalToGlobalFlexSettings *instance, const char *filename, bool allowBlockingIO );
+
+private:
+	void DeleteSceneFiles();
+
+	CUtlVector< CFlexSceneFile * > m_FileList;
+};
+
+
+//-----------------------------------------------------------------------------
+// Do we have active expressions?
+//-----------------------------------------------------------------------------
+inline bool C_BaseFlex::HasSceneEvents() const
+{
+	return m_SceneEvents.Count() != 0;
+}
+
+
+EXTERN_RECV_TABLE(DT_BaseFlex);
+
+float *GetVisemeWeights( int phoneme );
+
+
+#endif // C_STUDIOFLEX_H
+
+
+
+