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diff --git a/game/client/c_baseanimating.h b/game/client/c_baseanimating.h
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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $Workfile:     $
+// $NoKeywords: $
+//=============================================================================//
+#ifndef C_BASEANIMATING_H
+#define C_BASEANIMATING_H
+
+#ifdef _WIN32
+#pragma once
+#endif
+
+#include "c_baseentity.h"
+#include "studio.h"
+#include "utlvector.h"
+#include "ragdoll.h"
+#include "mouthinfo.h"
+// Shared activities
+#include "ai_activity.h"
+#include "animationlayer.h"
+#include "sequence_Transitioner.h"
+#include "bone_accessor.h"
+#include "bone_merge_cache.h"
+#include "ragdoll_shared.h"
+#include "tier0/threadtools.h"
+#include "datacache/idatacache.h"
+
+#define LIPSYNC_POSEPARAM_NAME "mouth"
+#define NUM_HITBOX_FIRES	10
+
+/*
+class C_BaseClientShader
+{
+	virtual void RenderMaterial( C_BaseEntity *pEntity, int count, const vec4_t *verts, const vec4_t *normals, const vec2_t *texcoords, vec4_t *lightvalues );
+};
+*/
+
+class IRagdoll;
+class CIKContext;
+class CIKState;
+class ConVar;
+class C_RopeKeyframe;
+class CBoneBitList;
+class CBoneList;
+class KeyValues;
+class CJiggleBones;
+class IBoneSetup;
+FORWARD_DECLARE_HANDLE( memhandle_t );
+typedef unsigned short MDLHandle_t;
+
+extern ConVar vcollide_wireframe;
+
+
+struct ClientModelRenderInfo_t : public ModelRenderInfo_t
+{
+	// Added space for lighting origin override. Just allocated space, need to set base pointer
+	matrix3x4_t lightingOffset;
+
+	// Added space for model to world matrix. Just allocated space, need to set base pointer
+	matrix3x4_t modelToWorld;
+};
+
+struct RagdollInfo_t
+{
+	bool		m_bActive;
+	float		m_flSaveTime;
+	int			m_nNumBones;
+	Vector		m_rgBonePos[MAXSTUDIOBONES];
+	Quaternion	m_rgBoneQuaternion[MAXSTUDIOBONES];
+};
+
+
+class CAttachmentData
+{
+public:
+	matrix3x4_t	m_AttachmentToWorld;
+	QAngle	m_angRotation;
+	Vector	m_vOriginVelocity;
+	int		m_nLastFramecount : 31;
+	int		m_bAnglesComputed : 1;
+};
+
+
+typedef unsigned int			ClientSideAnimationListHandle_t;
+
+#define		INVALID_CLIENTSIDEANIMATION_LIST_HANDLE	(ClientSideAnimationListHandle_t)~0
+
+
+class C_BaseAnimating : public C_BaseEntity, private IModelLoadCallback
+{
+public:
+	DECLARE_CLASS( C_BaseAnimating, C_BaseEntity );
+	DECLARE_CLIENTCLASS();
+	DECLARE_PREDICTABLE();
+	DECLARE_INTERPOLATION();
+
+	enum
+	{
+		NUM_POSEPAREMETERS = 24,
+		NUM_BONECTRLS = 4
+	};
+
+	C_BaseAnimating();
+	~C_BaseAnimating();
+
+	virtual C_BaseAnimating*		GetBaseAnimating() { return this; }
+
+	bool UsesPowerOfTwoFrameBufferTexture( void );
+
+	virtual bool	Interpolate( float currentTime );
+	virtual void	Simulate();	
+	virtual void	Release();	
+
+	float	GetAnimTimeInterval( void ) const;
+
+	virtual unsigned char	GetClientSideFade( void );
+
+	// Get bone controller values.
+	virtual void	GetBoneControllers(float controllers[MAXSTUDIOBONECTRLS]);
+	virtual float	SetBoneController ( int iController, float flValue );
+
+	LocalFlexController_t GetNumFlexControllers( void );
+	const char *GetFlexDescFacs( int iFlexDesc );
+	const char *GetFlexControllerName( LocalFlexController_t iFlexController );
+	const char *GetFlexControllerType( LocalFlexController_t iFlexController );
+
+	virtual void	GetAimEntOrigin( IClientEntity *pAttachedTo, Vector *pAbsOrigin, QAngle *pAbsAngles );
+
+	// Computes a box that surrounds all hitboxes
+	bool ComputeHitboxSurroundingBox( Vector *pVecWorldMins, Vector *pVecWorldMaxs );
+	bool ComputeEntitySpaceHitboxSurroundingBox( Vector *pVecWorldMins, Vector *pVecWorldMaxs );
+
+	// Gets the hitbox-to-world transforms, returns false if there was a problem
+	bool HitboxToWorldTransforms( matrix3x4_t *pHitboxToWorld[MAXSTUDIOBONES] );
+
+	// base model functionality
+	float		  ClampCycle( float cycle, bool isLooping );
+	virtual void GetPoseParameters( CStudioHdr *pStudioHdr, float poseParameter[MAXSTUDIOPOSEPARAM] );
+	virtual void BuildTransformations( CStudioHdr *pStudioHdr, Vector *pos, Quaternion q[], const matrix3x4_t& cameraTransform, int boneMask, CBoneBitList &boneComputed );
+	virtual void ApplyBoneMatrixTransform( matrix3x4_t& transform );
+ 	virtual int	VPhysicsGetObjectList( IPhysicsObject **pList, int listMax );
+
+	// model specific
+	virtual bool SetupBones( matrix3x4_t *pBoneToWorldOut, int nMaxBones, int boneMask, float currentTime );
+	virtual void UpdateIKLocks( float currentTime );
+	virtual void CalculateIKLocks( float currentTime );
+	virtual bool ShouldDraw();
+	virtual void UpdateVisibility() OVERRIDE;
+	virtual int DrawModel( int flags );
+	virtual int	InternalDrawModel( int flags );
+	virtual bool OnInternalDrawModel( ClientModelRenderInfo_t *pInfo );
+	virtual bool OnPostInternalDrawModel( ClientModelRenderInfo_t *pInfo );
+	void		DoInternalDrawModel( ClientModelRenderInfo_t *pInfo, DrawModelState_t *pState, matrix3x4_t *pBoneToWorldArray = NULL );
+
+	virtual IMaterial* GetEconWeaponMaterialOverride( int iTeam ) { return NULL; }
+
+	//
+	virtual CMouthInfo *GetMouth();
+	virtual void	ControlMouth( CStudioHdr *pStudioHdr );
+	
+	// override in sub-classes
+	virtual void DoAnimationEvents( CStudioHdr *pStudio );
+	virtual void FireEvent( const Vector& origin, const QAngle& angles, int event, const char *options );
+	virtual void FireObsoleteEvent( const Vector& origin, const QAngle& angles, int event, const char *options );
+	virtual const char* ModifyEventParticles( const char* token ) { return token; }
+
+	// Parses and distributes muzzle flash events
+	virtual bool DispatchMuzzleEffect( const char *options, bool isFirstPerson );
+
+	// virtual	void AllocateMaterials( void );
+	// virtual	void FreeMaterials( void );
+
+	virtual void ValidateModelIndex( void );
+	virtual CStudioHdr *OnNewModel( void );
+	CStudioHdr	*GetModelPtr() const;
+	void InvalidateMdlCache();
+	
+	virtual void SetPredictable( bool state );
+	void UseClientSideAnimation();
+
+	// C_BaseClientShader **p_ClientShaders;
+
+	virtual	void StandardBlendingRules( CStudioHdr *pStudioHdr, Vector pos[], Quaternion q[], float currentTime, int boneMask );
+	void UnragdollBlend( CStudioHdr *hdr, Vector pos[], Quaternion q[], float currentTime );
+
+	void MaintainSequenceTransitions( IBoneSetup &boneSetup, float flCycle, Vector pos[], Quaternion q[] );
+	virtual void AccumulateLayers( IBoneSetup &boneSetup, Vector pos[], Quaternion q[], float currentTime );
+
+	virtual void ChildLayerBlend( Vector pos[], Quaternion q[], float currentTime, int boneMask );
+
+	// Attachments
+	int		LookupAttachment( const char *pAttachmentName );
+	int		LookupRandomAttachment( const char *pAttachmentNameSubstring );
+
+	int		LookupPoseParameter( CStudioHdr *pStudioHdr, const char *szName );
+	inline int LookupPoseParameter( const char *szName ) { return LookupPoseParameter(GetModelPtr(), szName); }
+
+	float	SetPoseParameter( CStudioHdr *pStudioHdr, const char *szName, float flValue );
+	inline float SetPoseParameter( const char *szName, float flValue ) { return SetPoseParameter( GetModelPtr(), szName, flValue ); }
+	float	SetPoseParameter( CStudioHdr *pStudioHdr, int iParameter, float flValue );
+	inline float SetPoseParameter( int iParameter, float flValue ) { return SetPoseParameter( GetModelPtr(), iParameter, flValue ); }
+
+	float	GetPoseParameter( int iPoseParameter );
+
+	bool	GetPoseParameterRange( int iPoseParameter, float &minValue, float &maxValue );
+
+	int		LookupBone( const char *szName );
+	void	GetBonePosition( int iBone, Vector &origin, QAngle &angles );
+	void	GetBoneTransform( int iBone, matrix3x4_t &pBoneToWorld );
+
+	//=============================================================================
+	// HPE_BEGIN:
+	// [menglish] Finds the bone associated with the given hitbox
+	//=============================================================================
+
+	int		GetHitboxBone( int hitboxIndex );
+
+	//=============================================================================
+	// HPE_END
+	//=============================================================================
+
+	// Bone attachments
+	virtual void		AttachEntityToBone( C_BaseAnimating* attachTarget, int boneIndexAttached=-1, Vector bonePosition=Vector(0,0,0), QAngle boneAngles=QAngle(0,0,0) );
+	void				AddBoneAttachment( C_BaseAnimating* newBoneAttachment );
+	void				RemoveBoneAttachment( C_BaseAnimating* boneAttachment );
+	void				RemoveBoneAttachments();
+	void				DestroyBoneAttachments();
+	void				MoveBoneAttachments( C_BaseAnimating* attachTarget );
+	int					GetNumBoneAttachments();
+	C_BaseAnimating*	GetBoneAttachment( int i );
+	virtual void		NotifyBoneAttached( C_BaseAnimating* attachTarget );
+	virtual void		UpdateBoneAttachments( void );
+
+	//bool solveIK(float a, float b, const Vector &Foot, const Vector &Knee1, Vector &Knee2);
+	//void DebugIK( mstudioikchain_t *pikchain );
+
+	virtual void					PreDataUpdate( DataUpdateType_t updateType );
+	virtual void					PostDataUpdate( DataUpdateType_t updateType );
+	virtual int						RestoreData( const char *context, int slot, int type );
+
+	virtual void					NotifyShouldTransmit( ShouldTransmitState_t state );
+	virtual void					OnPreDataChanged( DataUpdateType_t updateType );
+	virtual void					OnDataChanged( DataUpdateType_t updateType );
+	virtual void					AddEntity( void );
+
+	// This can be used to force client side animation to be on. Only use if you know what you're doing!
+	// Normally, the server entity should set this.
+	void							ForceClientSideAnimationOn();
+	
+	void							AddToClientSideAnimationList();
+	void							RemoveFromClientSideAnimationList( bool bBeingDestroyed = false );
+
+	virtual bool					IsSelfAnimating();
+	virtual void					ResetLatched();
+
+	// implements these so ragdolls can handle frustum culling & leaf visibility
+	virtual void					GetRenderBounds( Vector& theMins, Vector& theMaxs );
+	virtual const Vector&			GetRenderOrigin( void );
+	virtual const QAngle&			GetRenderAngles( void );
+
+	virtual bool					GetSoundSpatialization( SpatializationInfo_t& info );
+
+	// Attachments.
+	bool							GetAttachment( const char *szName, Vector &absOrigin );
+	bool							GetAttachment( const char *szName, Vector &absOrigin, QAngle &absAngles );
+
+	// Inherited from C_BaseEntity
+	virtual bool					GetAttachment( int number, Vector &origin );
+	virtual bool					GetAttachment( int number, Vector &origin, QAngle &angles );
+	virtual bool					GetAttachment( int number, matrix3x4_t &matrix );
+	virtual bool					GetAttachmentVelocity( int number, Vector &originVel, Quaternion &angleVel );
+	
+	// Returns the attachment in local space
+	bool							GetAttachmentLocal( int iAttachment, matrix3x4_t &attachmentToLocal );
+	bool							GetAttachmentLocal( int iAttachment, Vector &origin, QAngle &angles );
+	bool                            GetAttachmentLocal( int iAttachment, Vector &origin );
+
+	bool							GetRootBone( matrix3x4_t &rootBone );
+
+	// Should this object cast render-to-texture shadows?
+	virtual ShadowType_t			ShadowCastType();
+
+	// Should we collide?
+	virtual CollideType_t			GetCollideType( void );
+
+	virtual bool					TestCollision( const Ray_t &ray, unsigned int fContentsMask, trace_t& tr );
+	virtual bool					TestHitboxes( const Ray_t &ray, unsigned int fContentsMask, trace_t& tr );
+
+	// returns true if we're currently being ragdolled
+	bool							IsRagdoll() const;
+	bool							IsAboutToRagdoll() const;
+	virtual C_BaseAnimating			*BecomeRagdollOnClient();
+	C_BaseAnimating					*CreateRagdollCopy();
+	bool							InitAsClientRagdoll( const matrix3x4_t *pDeltaBones0, const matrix3x4_t *pDeltaBones1, const matrix3x4_t *pCurrentBonePosition, float boneDt, bool bFixedConstraints=false );
+	void							IgniteRagdoll( C_BaseAnimating *pSource );
+	void							TransferDissolveFrom( C_BaseAnimating *pSource );
+	virtual void					SaveRagdollInfo( int numbones, const matrix3x4_t &cameraTransform, CBoneAccessor &pBoneToWorld );
+	virtual bool					RetrieveRagdollInfo( Vector *pos, Quaternion *q );
+	virtual void					Clear( void );
+	void							ClearRagdoll();
+	void							CreateUnragdollInfo( C_BaseAnimating *pRagdoll );
+	bool							ForceSetupBonesAtTime( matrix3x4_t *pBonesOut, float flTime );
+	virtual bool					GetRagdollInitBoneArrays( matrix3x4_t *pDeltaBones0, matrix3x4_t *pDeltaBones1, matrix3x4_t *pCurrentBones, float boneDt );
+
+	// For shadows rendering the correct body + sequence...
+	virtual int GetBody()			{ return m_nBody; }
+	virtual int GetSkin()			{ return m_nSkin; }
+
+	bool IsOnFire() { return ( (GetFlags() & FL_ONFIRE) != 0 ); }
+
+	inline float					GetPlaybackRate();
+	inline void						SetPlaybackRate( float rate );
+
+	void							SetModelScale( float scale, float change_duration = 0.0f  );
+	float							GetModelScale() const { return m_flModelScale; }
+	inline bool						IsModelScaleFractional() const;  /// very fast way to ask if the model scale is < 1.0f  (faster than if (GetModelScale() < 1.0f) )
+	inline bool						IsModelScaled() const;
+	void							UpdateModelScale( void );
+	virtual	void					RefreshCollisionBounds( void );
+
+	int								GetSequence();
+	virtual void					SetSequence(int nSequence);
+	inline void						ResetSequence(int nSequence);
+	float							GetSequenceGroundSpeed( CStudioHdr *pStudioHdr, int iSequence );
+	inline float					GetSequenceGroundSpeed( int iSequence ) { return GetSequenceGroundSpeed(GetModelPtr(), iSequence); }
+	bool							IsSequenceLooping( CStudioHdr *pStudioHdr, int iSequence );
+	inline bool						IsSequenceLooping( int iSequence ) { return IsSequenceLooping(GetModelPtr(),iSequence); }
+	float							GetSequenceMoveDist( CStudioHdr *pStudioHdr, int iSequence );
+	void							GetSequenceLinearMotion( int iSequence, Vector *pVec );
+	void							GetBlendedLinearVelocity( Vector *pVec );
+	int								LookupSequence ( const char *label );
+	int								LookupActivity( const char *label );
+	char const						*GetSequenceName( int iSequence ); 
+	char const						*GetSequenceActivityName( int iSequence );
+	Activity						GetSequenceActivity( int iSequence );
+	KeyValues						*GetSequenceKeyValues( int iSequence );
+	virtual void					StudioFrameAdvance(); // advance animation frame to some time in the future
+
+	// Clientside animation
+	virtual float					FrameAdvance( float flInterval = 0.0f );
+	virtual float					GetSequenceCycleRate( CStudioHdr *pStudioHdr, int iSequence );
+	virtual void					UpdateClientSideAnimation();
+	void							ClientSideAnimationChanged();
+	virtual unsigned int			ComputeClientSideAnimationFlags();
+
+	virtual void ResetClientsideFrame( void ) { SetCycle( 0 ); }
+
+	void SetCycle( float flCycle );
+	float GetCycle() const;
+
+	void SetBodygroup( int iGroup, int iValue );
+	int GetBodygroup( int iGroup );
+
+	const char *GetBodygroupName( int iGroup );
+	int FindBodygroupByName( const char *name );
+	int GetBodygroupCount( int iGroup );
+	int GetNumBodyGroups( void );
+
+	class CBoneCache				*GetBoneCache( CStudioHdr *pStudioHdr );
+	void							SetHitboxSet( int setnum );
+	void							SetHitboxSetByName( const char *setname );
+	int								GetHitboxSet( void );
+	char const						*GetHitboxSetName( void );
+	int								GetHitboxSetCount( void );
+	void							DrawClientHitboxes( float duration = 0.0f, bool monocolor = false );
+
+	C_BaseAnimating*				FindFollowedEntity();
+
+	virtual bool					IsActivityFinished( void ) { return m_bSequenceFinished; }
+	inline bool						IsSequenceFinished( void );
+	inline bool						SequenceLoops( void ) { return m_bSequenceLoops; }
+
+	// All view model attachments origins are stretched so you can place entities at them and
+	// they will match up with where the attachment winds up being drawn on the view model, since
+	// the view models are drawn with a different FOV.
+	//
+	// If you're drawing something inside of a view model's DrawModel() function, then you want the
+	// original attachment origin instead of the adjusted one. To get that, call this on the 
+	// adjusted attachment origin.
+	virtual void					UncorrectViewModelAttachment( Vector &vOrigin ) {}
+
+	// Call this if SetupBones() has already been called this frame but you need to move the
+	// entity and rerender.
+	void							InvalidateBoneCache();
+	bool							IsBoneCacheValid() const;	// Returns true if the bone cache is considered good for this frame.
+	void							GetCachedBoneMatrix( int boneIndex, matrix3x4_t &out );
+
+	// Wrappers for CBoneAccessor.
+	const matrix3x4_t&				GetBone( int iBone ) const;
+	matrix3x4_t&					GetBoneForWrite( int iBone );
+
+	// Used for debugging. Will produce asserts if someone tries to setup bones or
+	// attachments before it's allowed.
+	// Use the "AutoAllowBoneAccess" class to auto push/pop bone access.
+	// Use a distinct "tag" when pushing/popping - asserts when push/pop tags do not match.
+	struct AutoAllowBoneAccess
+	{
+		AutoAllowBoneAccess( bool bAllowForNormalModels, bool bAllowForViewModels );
+		~AutoAllowBoneAccess( void );
+	};
+	static void						PushAllowBoneAccess( bool bAllowForNormalModels, bool bAllowForViewModels, char const *tagPush );
+	static void						PopBoneAccess( char const *tagPop );
+	static void						ThreadedBoneSetup();
+	static void						InitBoneSetupThreadPool();
+	static void						ShutdownBoneSetupThreadPool();
+
+	// Invalidate bone caches so all SetupBones() calls force bone transforms to be regenerated.
+	static void						InvalidateBoneCaches();
+
+	// Purpose: My physics object has been updated, react or extract data
+	virtual void					VPhysicsUpdate( IPhysicsObject *pPhysics );
+
+	void DisableMuzzleFlash();		// Turn off the muzzle flash (ie: signal that we handled the server's event).
+	virtual void DoMuzzleFlash();	// Force a muzzle flash event. Note: this only QUEUES an event, so
+									// ProcessMuzzleFlashEvent will get called later.
+	bool ShouldMuzzleFlash() const;	// Is the muzzle flash event on?
+
+	// This is called to do the actual muzzle flash effect.
+	virtual void ProcessMuzzleFlashEvent();
+	
+	// Update client side animations
+	static void UpdateClientSideAnimations();
+
+	// Load the model's keyvalues section and create effects listed inside it
+	void InitModelEffects( void );
+
+	// Sometimes the server wants to update the client's cycle to get the two to run in sync (for proper hit detection)
+	virtual void SetServerIntendedCycle( float intended ) { (void)intended; }
+	virtual float GetServerIntendedCycle( void ) { return -1.0f; }
+
+	// For prediction
+	int								SelectWeightedSequence ( int activity );
+	int								SelectWeightedSequenceFromModifiers( Activity activity, CUtlSymbol *pActivityModifiers, int iModifierCount );
+	void							ResetSequenceInfo( void );
+	float							SequenceDuration( void );
+	float							SequenceDuration( CStudioHdr *pStudioHdr, int iSequence );
+	inline float					SequenceDuration( int iSequence ) { return SequenceDuration(GetModelPtr(), iSequence); }
+	int								FindTransitionSequence( int iCurrentSequence, int iGoalSequence, int *piDir );
+
+	void							RagdollMoved( void );
+
+	virtual void					GetToolRecordingState( KeyValues *msg );
+	virtual void					CleanupToolRecordingState( KeyValues *msg );
+
+	void							SetReceivedSequence( void );
+	virtual bool					ShouldResetSequenceOnNewModel( void );
+
+	virtual bool					IsViewModel() const;
+	virtual void					UpdateOnRemove( void );
+
+protected:
+	// View models scale their attachment positions to account for FOV. To get the unmodified
+	// attachment position (like if you're rendering something else during the view model's DrawModel call),
+	// use TransformViewModelAttachmentToWorld.
+	virtual void					FormatViewModelAttachment( int nAttachment, matrix3x4_t &attachmentToWorld ) {}
+
+	// View models say yes to this.
+	bool							IsBoneAccessAllowed() const;
+	CMouthInfo&						MouthInfo();
+
+	// Models used in a ModelPanel say yes to this
+	virtual bool					IsMenuModel() const;
+
+	// Allow studio models to tell C_BaseEntity what their m_nBody value is
+	virtual int						GetStudioBody( void ) { return m_nBody; }
+
+	virtual bool					CalcAttachments();
+
+private:
+	// This method should return true if the bones have changed + SetupBones needs to be called
+	virtual float					LastBoneChangedTime() { return FLT_MAX; }
+
+	CBoneList*						RecordBones( CStudioHdr *hdr, matrix3x4_t *pBoneState );
+
+	bool							PutAttachment( int number, const matrix3x4_t &attachmentToWorld );
+	void							TermRopes();
+
+	void							DelayedInitModelEffects( void );
+
+	void							UpdateRelevantInterpolatedVars();
+	void							AddBaseAnimatingInterpolatedVars();
+	void							RemoveBaseAnimatingInterpolatedVars();
+
+public:
+	CRagdoll						*m_pRagdoll;
+
+	// Texture group to use
+	int								m_nSkin;
+
+	// Object bodygroup
+	int								m_nBody;
+
+	// Hitbox set to use (default 0)
+	int								m_nHitboxSet;
+
+	CSequenceTransitioner			m_SequenceTransitioner;
+
+protected:
+	CIKContext						*m_pIk;
+
+	int								m_iEyeAttachment;
+
+	// Animation playback framerate
+	float							m_flPlaybackRate;
+
+	// Decomposed ragdoll info
+	bool							m_bStoreRagdollInfo;
+	RagdollInfo_t					*m_pRagdollInfo;
+	Vector							m_vecForce;
+	int								m_nForceBone;
+
+	// Is bone cache valid
+	// bone transformation matrix
+	unsigned long					m_iMostRecentModelBoneCounter;
+	unsigned long					m_iMostRecentBoneSetupRequest;
+	int								m_iPrevBoneMask;
+	int								m_iAccumulatedBoneMask;
+
+	CBoneAccessor					m_BoneAccessor;
+	CThreadFastMutex				m_BoneSetupLock;
+
+	ClientSideAnimationListHandle_t	m_ClientSideAnimationListHandle;
+
+	// Client-side animation
+	bool							m_bClientSideFrameReset;
+
+	// Bone attachments. Used for attaching one BaseAnimating to another's bones.
+	// Client side only.
+	CUtlVector<CHandle<C_BaseAnimating> > m_BoneAttachments;
+	int								m_boneIndexAttached;
+	Vector							m_bonePosition;
+	QAngle							m_boneAngles;
+	CHandle<C_BaseAnimating>		m_pAttachedTo;
+
+protected:
+
+	float							m_fadeMinDist;
+	float							m_fadeMaxDist;
+	float							m_flFadeScale;
+
+private:
+
+	float							m_flGroundSpeed;	// computed linear movement rate for current sequence
+	float							m_flLastEventCheck;	// cycle index of when events were last checked
+	bool							m_bSequenceFinished;// flag set when StudioAdvanceFrame moves across a frame boundry
+	bool							m_bSequenceLoops;	// true if the sequence loops
+
+	// Mouth lipsync/envelope following values
+	CMouthInfo						m_mouth;
+
+	CNetworkVar( float, m_flModelScale );
+
+	// Animation blending factors
+	float							m_flPoseParameter[MAXSTUDIOPOSEPARAM];
+	CInterpolatedVarArray< float, MAXSTUDIOPOSEPARAM >		m_iv_flPoseParameter;
+	float							m_flOldPoseParameters[MAXSTUDIOPOSEPARAM];
+
+	int								m_nPrevSequence;
+	int								m_nRestoreSequence;
+
+	// Ropes that got spawned when the model was created.
+	CUtlLinkedList<C_RopeKeyframe*,unsigned short> m_Ropes;
+
+	// event processing info
+	float							m_flPrevEventCycle;
+	int								m_nEventSequence;
+
+	float							m_flEncodedController[MAXSTUDIOBONECTRLS];	
+	CInterpolatedVarArray< float, MAXSTUDIOBONECTRLS >		m_iv_flEncodedController;
+	float							m_flOldEncodedController[MAXSTUDIOBONECTRLS];
+
+	// Clientside animation
+	bool							m_bClientSideAnimation;
+	bool							m_bLastClientSideFrameReset;
+
+	int								m_nNewSequenceParity;
+	int								m_nResetEventsParity;
+
+	int								m_nPrevNewSequenceParity;
+	int								m_nPrevResetEventsParity;
+
+	bool							m_builtRagdoll;
+	Vector							m_vecPreRagdollMins;
+	Vector							m_vecPreRagdollMaxs;
+
+	// Current animation sequence
+	int								m_nSequence;
+	bool							m_bReceivedSequence;
+
+	// Current cycle location from server
+protected:
+	float							m_flCycle;
+	CInterpolatedVar< float >		m_iv_flCycle;
+	float							m_flOldCycle;
+	bool							m_bNoModelParticles;
+
+private:
+	float							m_flOldModelScale;
+	int								m_nOldSequence;
+	CBoneMergeCache					*m_pBoneMergeCache;	// This caches the strcmp lookups that it has to do
+														// when merg
+	
+	CUtlVector< matrix3x4_t >		m_CachedBoneData; // never access this directly. Use m_BoneAccessor.
+	memhandle_t						m_hitboxBoneCacheHandle;
+	float							m_flLastBoneSetupTime;
+	CJiggleBones					*m_pJiggleBones;
+
+	// Calculated attachment points
+	CUtlVector<CAttachmentData>		m_Attachments;
+
+	bool							SetupBones_AttachmentHelper( CStudioHdr *pStudioHdr );
+
+	EHANDLE							m_hLightingOrigin;
+	EHANDLE							m_hLightingOriginRelative;
+
+	// These are compared against each other to determine if the entity should muzzle flash.
+	CNetworkVar( unsigned char, m_nMuzzleFlashParity );
+	unsigned char m_nOldMuzzleFlashParity;
+
+	bool							m_bInitModelEffects;
+	bool							m_bDelayInitModelEffects;
+
+	// Dynamic models
+	bool							m_bDynamicModelAllowed;
+	bool							m_bDynamicModelPending;
+	bool							m_bResetSequenceInfoOnLoad;
+	CRefCountedModelIndex			m_AutoRefModelIndex;
+public:
+	void							EnableDynamicModels() { m_bDynamicModelAllowed = true; }
+	bool							IsDynamicModelLoading() const { return m_bDynamicModelPending; }
+private:
+	virtual void					OnModelLoadComplete( const model_t* pModel );
+
+private:
+	void							LockStudioHdr();
+	void							UnlockStudioHdr();
+	mutable CStudioHdr				*m_pStudioHdr;
+	mutable MDLHandle_t				m_hStudioHdr;
+	CThreadFastMutex				m_StudioHdrInitLock;
+	bool							m_bHasAttachedParticles;
+};
+
+enum 
+{
+	RAGDOLL_FRICTION_OFF = -2,
+	RAGDOLL_FRICTION_NONE,
+	RAGDOLL_FRICTION_IN,
+	RAGDOLL_FRICTION_HOLD,
+	RAGDOLL_FRICTION_OUT,
+};
+
+class C_ClientRagdoll : public C_BaseAnimating, public IPVSNotify
+{
+	
+public:
+	C_ClientRagdoll( bool bRestoring = true );
+	DECLARE_CLASS( C_ClientRagdoll, C_BaseAnimating );
+	DECLARE_DATADESC();
+
+	// inherited from IPVSNotify
+	virtual void OnPVSStatusChanged( bool bInPVS );
+
+	virtual void Release( void );
+	virtual void SetupWeights( const matrix3x4_t *pBoneToWorld, int nFlexWeightCount, float *pFlexWeights, float *pFlexDelayedWeights );
+	virtual void ImpactTrace( trace_t *pTrace, int iDamageType, const char *pCustomImpactName );
+	void ClientThink( void );
+	void ReleaseRagdoll( void ) { m_bReleaseRagdoll = true;	}
+	bool ShouldSavePhysics( void ) { return true; }
+	virtual void	OnSave();
+	virtual void	OnRestore();
+	virtual int ObjectCaps( void ) { return BaseClass::ObjectCaps() | FCAP_SAVE_NON_NETWORKABLE; }
+	virtual IPVSNotify*				GetPVSNotifyInterface() { return this; }
+
+	void	HandleAnimatedFriction( void );
+	virtual void SUB_Remove( void );
+
+	void	FadeOut( void );
+	virtual float LastBoneChangedTime();
+
+	bool m_bFadeOut;
+	bool m_bImportant;
+	float m_flEffectTime;
+
+private:
+	int m_iCurrentFriction;
+	int m_iMinFriction;
+	int m_iMaxFriction;
+	float m_flFrictionModTime;
+	float m_flFrictionTime;
+
+	int  m_iFrictionAnimState;
+	bool m_bReleaseRagdoll;
+
+	bool m_bFadingOut;
+
+	float m_flScaleEnd[NUM_HITBOX_FIRES];
+	float m_flScaleTimeStart[NUM_HITBOX_FIRES];
+	float m_flScaleTimeEnd[NUM_HITBOX_FIRES];
+};
+
+//-----------------------------------------------------------------------------
+// Purpose: Serves the 90% case of calling SetSequence / ResetSequenceInfo.
+//-----------------------------------------------------------------------------
+inline void C_BaseAnimating::ResetSequence(int nSequence)
+{
+	SetSequence( nSequence );
+	ResetSequenceInfo();
+}
+
+inline float C_BaseAnimating::GetPlaybackRate()
+{
+	return m_flPlaybackRate;
+}
+
+inline void C_BaseAnimating::SetPlaybackRate( float rate )
+{
+	m_flPlaybackRate = rate;
+}
+
+inline const matrix3x4_t& C_BaseAnimating::GetBone( int iBone ) const
+{
+	return m_BoneAccessor.GetBone( iBone );
+}
+
+inline matrix3x4_t& C_BaseAnimating::GetBoneForWrite( int iBone )
+{
+	return m_BoneAccessor.GetBoneForWrite( iBone );
+}
+
+
+inline bool C_BaseAnimating::ShouldMuzzleFlash() const
+{
+	return m_nOldMuzzleFlashParity != m_nMuzzleFlashParity;
+}
+
+inline float C_BaseAnimating::GetCycle() const
+{
+	return m_flCycle;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: return a pointer to an updated studiomdl cache cache
+//-----------------------------------------------------------------------------
+
+inline CStudioHdr *C_BaseAnimating::GetModelPtr() const
+{ 
+	if ( IsDynamicModelLoading() )
+		return NULL;
+
+#ifdef _DEBUG
+	// GetModelPtr() is often called before OnNewModel() so go ahead and set it up first chance.
+//	static IDataCacheSection *pModelCache = datacache->FindSection( "ModelData" );
+//	AssertOnce( pModelCache->IsFrameLocking() );
+#endif
+	if ( !m_pStudioHdr )
+	{
+		const_cast<C_BaseAnimating *>(this)->LockStudioHdr();
+	}
+	Assert( m_pStudioHdr ? m_pStudioHdr->GetRenderHdr() == mdlcache->GetStudioHdr(m_hStudioHdr) : m_hStudioHdr == MDLHANDLE_INVALID );
+	return m_pStudioHdr;
+}
+
+
+inline void C_BaseAnimating::InvalidateMdlCache()
+{
+	UnlockStudioHdr();
+}
+
+inline bool C_BaseAnimating::IsModelScaleFractional() const
+{
+	return ( m_flModelScale < 1.0f );
+}
+
+inline bool C_BaseAnimating::IsModelScaled() const
+{
+	return ( m_flModelScale > 1.0f+FLT_EPSILON || m_flModelScale < 1.0f-FLT_EPSILON );
+}
+
+//-----------------------------------------------------------------------------
+// Sequence access
+//-----------------------------------------------------------------------------
+inline int C_BaseAnimating::GetSequence() 
+{ 
+	return m_nSequence; 
+}
+
+inline bool C_BaseAnimating::IsSequenceFinished( void ) 
+{ 
+	return m_bSequenceFinished; 
+}
+
+inline float C_BaseAnimating::SequenceDuration( void )
+{ 
+	return SequenceDuration( GetSequence() ); 
+}
+
+
+//-----------------------------------------------------------------------------
+// Mouth
+//-----------------------------------------------------------------------------
+inline CMouthInfo& C_BaseAnimating::MouthInfo()			
+{ 
+	return m_mouth; 
+}
+
+
+// FIXME: move these to somewhere that makes sense
+void GetColumn( matrix3x4_t& src, int column, Vector &dest );
+void SetColumn( Vector &src, int column, matrix3x4_t& dest );
+
+EXTERN_RECV_TABLE(DT_BaseAnimating);
+
+
+extern void DevMsgRT( PRINTF_FORMAT_STRING char const* pMsg, ... );
+
+#endif // C_BASEANIMATING_H