diff --git a/sp/src/game/client/c_baseanimating.h b/sp/src/game/client/c_baseanimating.h
index 5f30d8f8b..0b26c0fdc 100644
--- a/sp/src/game/client/c_baseanimating.h
+++ b/sp/src/game/client/c_baseanimating.h
@@ -591,16 +591,19 @@ protected:
 	float							m_flOldCycle;
 	bool							m_bNoModelParticles;
 
+	// GSTRINGMIGRATION made protected
+	CBoneMergeCache					*m_pBoneMergeCache;	// This caches the strcmp lookups that it has to do
+														// when merg
+	CJiggleBones					*m_pJiggleBones;
+	// END GSTRINGMIGRATION
+
 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;
diff --git a/sp/src/game/client/client_gstring.vpc b/sp/src/game/client/client_gstring.vpc
index e3a21b762..f3bd88fe5 100644
--- a/sp/src/game/client/client_gstring.vpc
+++ b/sp/src/game/client/client_gstring.vpc
@@ -45,6 +45,8 @@ $Project "Client (G-String)"
 			$File	"gstring\c_muzzleflash_effect.h"
 			$File	"gstring\c_bobmodel.cpp"
 			$File	"gstring\c_bobmodel.h"
+			$File	"gstring\c_firstpersonbody.cpp"
+			$File	"gstring\c_firstpersonbody.h"
 			
 			$Folder "vgui"
 			{
diff --git a/sp/src/game/client/gstring/c_bobmodel.h b/sp/src/game/client/gstring/c_bobmodel.h
index 05c84ffe9..ce895f6fe 100644
--- a/sp/src/game/client/gstring/c_bobmodel.h
+++ b/sp/src/game/client/gstring/c_bobmodel.h
@@ -9,6 +9,10 @@ class C_BobModel : public C_BaseAnimating
 public:
 	C_BobModel();
 
+	virtual int ObjectCaps() {
+		return FCAP_DONT_SAVE;
+	};
+
 	virtual bool ShouldDraw() { return true; }
 	virtual int DrawModel( int flags ) { return 0; }
 	virtual void FireEvent( const Vector& origin, const QAngle& angles, int event, const char *options ) {}
diff --git a/sp/src/game/client/gstring/c_firstpersonbody.cpp b/sp/src/game/client/gstring/c_firstpersonbody.cpp
new file mode 100644
index 000000000..7d5d746df
--- /dev/null
+++ b/sp/src/game/client/gstring/c_firstpersonbody.cpp
@@ -0,0 +1,183 @@
+
+#include "cbase.h"
+#include "c_firstpersonbody.h"
+
+#include "bone_setup.h"
+#include "jigglebones.h"
+#include "viewrender.h"
+
+
+C_FirstpersonBody::C_FirstpersonBody()
+	: m_iBoneNeck( -1 )
+	, m_iBoneArmL( -1 )
+	, m_iBoneArmR( -1 )
+	, m_iPoseParam_MoveYaw( -1 )
+{
+}
+
+CStudioHdr *C_FirstpersonBody::OnNewModel()
+{
+	CStudioHdr *pRet = BaseClass::OnNewModel();
+
+	m_iBoneNeck = LookupBone( "ValveBiped.Bip01_Neck1" );
+	m_iBoneArmL = LookupBone( "ValveBiped.Bip01_L_UpperArm" );
+	m_iBoneArmR = LookupBone( "ValveBiped.Bip01_R_UpperArm" );
+	m_iPoseParam_MoveYaw = LookupPoseParameter( "move_yaw" );
+
+	return pRet;
+}
+
+ShadowType_t C_FirstpersonBody::ShadowCastType()
+{
+	return SHADOWS_SIMPLE;
+}
+
+void C_FirstpersonBody::BuildTransformations( CStudioHdr *hdr, Vector *pos, Quaternion *q,
+	const matrix3x4_t &cameraTransform, int boneMask, CBoneBitList &boneComputed )
+{
+	if ( !hdr )
+		return;
+
+	matrix3x4_t bonematrix;
+	bool boneSimulated[MAXSTUDIOBONES];
+
+	// no bones have been simulated
+	memset( boneSimulated, 0, sizeof(boneSimulated) );
+	mstudiobone_t *pbones = hdr->pBone( 0 );
+
+	if ( m_pRagdoll )
+	{
+		// simulate bones and update flags
+		int oldWritableBones = m_BoneAccessor.GetWritableBones();
+		int oldReadableBones = m_BoneAccessor.GetReadableBones();
+		m_BoneAccessor.SetWritableBones( BONE_USED_BY_ANYTHING );
+		m_BoneAccessor.SetReadableBones( BONE_USED_BY_ANYTHING );
+		
+#if defined( REPLAY_ENABLED )
+		// If we're playing back a demo, override the ragdoll bones with cached version if available - otherwise, simulate.
+		if ( ( !engine->IsPlayingDemo() && !engine->IsPlayingTimeDemo() ) ||
+			 !CReplayRagdollCache::Instance().IsInitialized() ||
+			 !CReplayRagdollCache::Instance().GetFrame( this, engine->GetDemoPlaybackTick(), boneSimulated, &m_BoneAccessor ) )
+#endif
+		{
+			m_pRagdoll->RagdollBone( this, pbones, hdr->numbones(), boneSimulated, m_BoneAccessor );
+		}
+		
+		m_BoneAccessor.SetWritableBones( oldWritableBones );
+		m_BoneAccessor.SetReadableBones( oldReadableBones );
+	}
+
+	// For EF_BONEMERGE entities, copy the bone matrices for any bones that have matching names.
+	bool boneMerge = IsEffectActive(EF_BONEMERGE);
+	if ( boneMerge || m_pBoneMergeCache )
+	{
+		if ( boneMerge )
+		{
+			if ( !m_pBoneMergeCache )
+			{
+				m_pBoneMergeCache = new CBoneMergeCache;
+				m_pBoneMergeCache->Init( this );
+			}
+			m_pBoneMergeCache->MergeMatchingBones( boneMask );
+		}
+		else
+		{
+			delete m_pBoneMergeCache;
+			m_pBoneMergeCache = NULL;
+		}
+	}
+
+	for (int i = 0; i < hdr->numbones(); i++) 
+	{
+		// Only update bones reference by the bone mask.
+		if ( !( hdr->boneFlags( i ) & boneMask ) )
+		{
+			continue;
+		}
+
+		if ( m_pBoneMergeCache && m_pBoneMergeCache->IsBoneMerged( i ) )
+			continue;
+
+		// animate all non-simulated bones
+		if ( boneSimulated[i] || CalcProceduralBone( hdr, i, m_BoneAccessor ))
+		{
+			continue;
+		}
+		// skip bones that the IK has already setup
+		else if (boneComputed.IsBoneMarked( i ))
+		{
+			// dummy operation, just used to verify in debug that this should have happened
+			GetBoneForWrite( i );
+		}
+		else
+		{
+			QuaternionMatrix( q[i], pos[i], bonematrix );
+
+			Assert( fabs( pos[i].x ) < 100000 );
+			Assert( fabs( pos[i].y ) < 100000 );
+			Assert( fabs( pos[i].z ) < 100000 );
+
+			if ( (hdr->boneFlags( i ) & BONE_ALWAYS_PROCEDURAL) && 
+				 (hdr->pBone( i )->proctype & STUDIO_PROC_JIGGLE) )
+			{
+				//
+				// Physics-based "jiggle" bone
+				// Bone is assumed to be along the Z axis
+				// Pitch around X, yaw around Y
+				//
+
+				// compute desired bone orientation
+				matrix3x4_t goalMX;
+
+				if (pbones[i].parent == -1) 
+				{
+					ConcatTransforms( cameraTransform, bonematrix, goalMX );
+				} 
+				else 
+				{
+					ConcatTransforms( GetBone( pbones[i].parent ), bonematrix, goalMX );
+				}
+
+				// get jiggle properties from QC data
+				mstudiojigglebone_t *jiggleInfo = (mstudiojigglebone_t *)pbones[i].pProcedure( );
+
+				if (!m_pJiggleBones)
+				{
+					m_pJiggleBones = new CJiggleBones;
+				}
+
+				// do jiggle physics
+				m_pJiggleBones->BuildJiggleTransformations( i, gpGlobals->realtime, jiggleInfo, goalMX, GetBoneForWrite( i ) );
+
+			}
+			else if (hdr->boneParent(i) == -1) 
+			{
+				ConcatTransforms( cameraTransform, bonematrix, GetBoneForWrite( i ) );
+			} 
+			else 
+			{
+				ConcatTransforms( GetBone( hdr->boneParent(i) ), bonematrix, GetBoneForWrite( i ) );
+			}
+		}
+
+		if (hdr->boneParent(i) == -1) 
+		{
+			MatrixScaleBy( 0.9f, GetBoneForWrite( i ) );
+		}
+
+		if ( i == m_iBoneNeck
+			|| i == m_iBoneArmR
+			|| i == m_iBoneArmL )
+		{
+			MatrixScaleBy( 0.01f, GetBoneForWrite( i ) );
+		}
+	}
+}
+
+int C_FirstpersonBody::DrawModel( int flags )
+{
+	if ( CurrentViewID() == VIEW_SHADOW_DEPTH_TEXTURE )
+		return 0;
+
+	return BaseClass::DrawModel( flags );
+}
diff --git a/sp/src/game/client/gstring/c_firstpersonbody.h b/sp/src/game/client/gstring/c_firstpersonbody.h
new file mode 100644
index 000000000..39fa496db
--- /dev/null
+++ b/sp/src/game/client/gstring/c_firstpersonbody.h
@@ -0,0 +1,34 @@
+#ifndef C_FIRSTPERSONBODY_H
+#define C_FIRSTPERSONBODY_H
+
+
+class C_FirstpersonBody : public C_BaseAnimating
+{
+	DECLARE_CLASS( C_FirstpersonBody, C_BaseAnimating );
+public:
+	C_FirstpersonBody();
+
+	virtual int ObjectCaps() {
+		return FCAP_DONT_SAVE;
+	};
+
+	virtual void BuildTransformations( CStudioHdr *hdr, Vector *pos, Quaternion *q,
+		const matrix3x4_t &cameraTransform, int boneMask, CBoneBitList &boneComputed );
+
+	virtual CStudioHdr *OnNewModel();
+
+	virtual ShadowType_t ShadowCastType();
+
+	virtual int DrawModel( int flags );
+
+	int m_iPoseParam_MoveYaw;
+
+private:
+	int m_iBoneNeck;
+	int m_iBoneArmL;
+	int m_iBoneArmR;
+
+};
+
+
+#endif
\ No newline at end of file
diff --git a/sp/src/game/client/gstring/c_gstring_player.cpp b/sp/src/game/client/gstring/c_gstring_player.cpp
index bc141d1af..90b1c896d 100644
--- a/sp/src/game/client/gstring/c_gstring_player.cpp
+++ b/sp/src/game/client/gstring/c_gstring_player.cpp
@@ -6,6 +6,8 @@
 #include "flashlighteffect.h"
 #include "c_muzzleflash_effect.h"
 #include "c_bobmodel.h"
+#include "c_firstpersonbody.h"
+
 
 #define FLASHLIGHT_DISTANCE		1000
 
@@ -22,6 +24,7 @@
 //	}
 //}
 
+
 IMPLEMENT_CLIENTCLASS_DT( C_GstringPlayer, DT_CGstringPlayer, CGstringPlayer )
 
 	RecvPropBool( RECVINFO( m_bNightvisionActive ) ),
@@ -38,6 +41,7 @@ C_GstringPlayer::C_GstringPlayer()
 	, m_pBobViewModel( NULL )
 	, m_flBobModelAmount( 0.0f )
 	, m_angLastBobAngle( vec3_angle )
+	, m_pBodyModel( NULL )
 {
 	m_bHasUseEntity = false;
 }
@@ -50,6 +54,11 @@ C_GstringPlayer::~C_GstringPlayer()
 	{
 		m_pBobViewModel->Release();
 	}
+
+	if ( m_pBodyModel != NULL )
+	{
+		m_pBodyModel->Release();
+	}
 }
 
 bool C_GstringPlayer::IsNightvisionActive() const
@@ -100,6 +109,8 @@ void C_GstringPlayer::ClientThink()
 
 		ProcessMuzzleFlashEvent();
 	}
+
+	UpdateBodyModel();
 }
 
 void C_GstringPlayer::OverrideView( CViewSetup *pSetup )
@@ -342,3 +353,102 @@ float C_GstringPlayer::GetFlashlightDot() const
 {
 	return m_flFlashlightDot;
 }
+
+void C_GstringPlayer::UpdateBodyModel()
+{
+	if ( m_pBodyModel == NULL )
+	{
+		m_pBodyModel = new C_FirstpersonBody();
+		m_pBodyModel->InitializeAsClientEntity( "models/humans/group03/female_01.mdl", RENDER_GROUP_OPAQUE_ENTITY );
+		m_pBodyModel->Spawn();
+		m_pBodyModel->AddEffects( EF_NOINTERP );
+	}
+
+	QAngle angle = GetRenderAngles();
+	angle.x = 0;
+	angle.z = 0;
+
+	Vector fwd, right, up;
+	AngleVectors( angle, &fwd, &right, &up );
+
+	const float flSpeed = GetAbsVelocity().Length2D();
+	const bool bInAir = ( GetFlags() & FL_ONGROUND ) == 0;
+	const bool bDuck = m_Local.m_bDucked
+		|| m_Local.m_bDucking;
+	const bool bMoving = flSpeed > 40.0f;
+
+	static float flBackOffset = 13.0f;
+	float flBackOffsetDesired = bDuck ? 18.0f : 13.0f;
+
+	if ( flBackOffset != flBackOffsetDesired )
+	{
+		flBackOffset = Approach( flBackOffsetDesired, flBackOffset, gpGlobals->frametime * 25.0f );
+	}
+
+	Vector origin = GetRenderOrigin() - fwd * flBackOffset;
+	if ( !bDuck
+		|| m_Local.m_bInDuckJump && bInAir )
+	{
+		origin.z += GetViewOffset().z - VEC_VIEW.z;
+	}
+
+	m_pBodyModel->m_EntClientFlags |= ENTCLIENTFLAG_DONTUSEIK;
+	m_pBodyModel->SetAbsOrigin( origin );
+	m_pBodyModel->SetAbsAngles( angle );
+
+	Activity actDesired = ACT_IDLE;
+	float flPlaybackrate = 1.0f;
+
+	if ( bInAir )
+	{
+		actDesired = ACT_JUMP;
+	}
+	else
+	{
+		if ( bMoving )
+		{
+			actDesired = bDuck ? ACT_RUN_CROUCH : ACT_RUN;
+		}
+		else
+		{
+			actDesired = bDuck ? ACT_COVER_LOW : ACT_IDLE;
+		}
+	}
+
+	Vector vecVelocity = GetAbsVelocity();
+	vecVelocity.z = 0.0f;
+	float flLength = vecVelocity.NormalizeInPlace();
+
+	if ( flLength > 40.0f
+		&& m_pBodyModel->m_iPoseParam_MoveYaw >= 0 )
+	{
+		VectorYawRotate( vecVelocity, -angle.y, vecVelocity );
+
+		float flYaw = atan2( vecVelocity.y, vecVelocity.x );
+		flYaw = AngleNormalizePositive( flYaw );
+
+		static float flYawLast = 0.0f;
+		flYawLast = ApproachAngle( flYaw, flYawLast, gpGlobals->frametime * 10.0f );
+
+		m_pBodyModel->SetPoseParameter( m_pBodyModel->m_iPoseParam_MoveYaw, RAD2DEG( AngleNormalize( flYawLast ) ) );
+	}
+
+	if ( m_pBodyModel->GetSequenceActivity( m_pBodyModel->GetSequence() )
+		!= actDesired )
+	{
+		m_pBodyModel->SetSequence( m_pBodyModel->SelectWeightedSequence( actDesired ) );
+	}
+
+	if ( !bInAir && bMoving )
+	{
+		float flGroundSpeed = m_pBodyModel->GetSequenceGroundSpeed( m_pBodyModel->GetSequence() );
+
+		if ( flGroundSpeed > 0.0f )
+		{
+			flPlaybackrate = flSpeed / flGroundSpeed;
+		}
+	}
+
+	m_pBodyModel->SetPlaybackRate( flPlaybackrate );
+	m_pBodyModel->StudioFrameAdvance();
+}
\ No newline at end of file
diff --git a/sp/src/game/client/gstring/c_gstring_player.h b/sp/src/game/client/gstring/c_gstring_player.h
index 86b3da5ce..ea9801f78 100644
--- a/sp/src/game/client/gstring/c_gstring_player.h
+++ b/sp/src/game/client/gstring/c_gstring_player.h
@@ -5,6 +5,7 @@
 
 class C_MuzzleflashEffect;
 class C_BobModel;
+class C_FirstpersonBody;
 
 class C_GstringPlayer : public C_BaseHLPlayer
 {
@@ -35,6 +36,8 @@ public:
 protected:
 
 private:
+	void UpdateBodyModel();
+
 	CNetworkVar( bool, m_bNightvisionActive );
 
 	float m_flNightvisionFraction;
@@ -53,6 +56,8 @@ private:
 	QAngle m_angLastBobAngle;
 
 	CNetworkVar( bool, m_bHasUseEntity );
+
+	C_FirstpersonBody *m_pBodyModel;
 };
 
 inline C_GstringPlayer *ToGstringPlayer( C_BaseEntity *pPlayer )
diff --git a/sp/src/game/server/gstring/cgstring_player.cpp b/sp/src/game/server/gstring/cgstring_player.cpp
index 5648eb651..1eb8645c9 100644
--- a/sp/src/game/server/gstring/cgstring_player.cpp
+++ b/sp/src/game/server/gstring/cgstring_player.cpp
@@ -30,6 +30,8 @@ void CGstringPlayer::Precache()
 	PrecacheScriptSound( "nightvision.off" );
 	PrecacheScriptSound( "nightvision.unavailable" );
 
+	PrecacheModel( "models/humans/group03/female_01.mdl" );
+
 	BaseClass::Precache();
 }
 
diff --git a/sp/src/lib/public/mathlib.lib b/sp/src/lib/public/mathlib.lib
index 1036527e5..36016252c 100644
Binary files a/sp/src/lib/public/mathlib.lib and b/sp/src/lib/public/mathlib.lib differ
diff --git a/sp/src/lib/public/raytrace.lib b/sp/src/lib/public/raytrace.lib
index 4b6cfbe0e..aaedb9c3b 100644
Binary files a/sp/src/lib/public/raytrace.lib and b/sp/src/lib/public/raytrace.lib differ
diff --git a/sp/src/lib/public/tier1.lib b/sp/src/lib/public/tier1.lib
index 7292780e7..24740f2e4 100644
Binary files a/sp/src/lib/public/tier1.lib and b/sp/src/lib/public/tier1.lib differ
diff --git a/sp/src/lib/public/vgui_controls.lib b/sp/src/lib/public/vgui_controls.lib
index e75ec2cbb..6f6ca48d6 100644
Binary files a/sp/src/lib/public/vgui_controls.lib and b/sp/src/lib/public/vgui_controls.lib differ