First version of the SOurce SDK 2013

1 files changed, 1079 insertions, 0 deletions

diff --git a/mp/src/game/shared/base_playeranimstate.cpp b/mp/src/game/shared/base_playeranimstate.cpp
new file mode 100644
index 00000000..411d764f
--- /dev/null
+++ b/mp/src/game/shared/base_playeranimstate.cpp
@@ -0,0 +1,1079 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//

+//

+// Purpose: 

+//

+//=============================================================================//

+

+#include "cbase.h"

+#include "base_playeranimstate.h"

+#include "tier0/vprof.h"

+#include "animation.h"

+#include "studio.h"

+#include "apparent_velocity_helper.h"

+#include "utldict.h"

+#include "filesystem.h"

+

+

+#ifdef CLIENT_DLL

+	#include "c_baseplayer.h"

+	#include "engine/ivdebugoverlay.h"

+

+	ConVar cl_showanimstate( "cl_showanimstate", "-1", FCVAR_CHEAT | FCVAR_DEVELOPMENTONLY, "Show the (client) animation state for the specified entity (-1 for none)." );

+	ConVar showanimstate_log( "cl_showanimstate_log", "0", FCVAR_CHEAT | FCVAR_DEVELOPMENTONLY, "1 to output cl_showanimstate to Msg(). 2 to store in AnimStateClient.log. 3 for both." );

+#else

+	#include "player.h"

+	ConVar sv_showanimstate( "sv_showanimstate", "-1", FCVAR_CHEAT | FCVAR_DEVELOPMENTONLY, "Show the (server) animation state for the specified entity (-1 for none)." );

+	ConVar showanimstate_log( "sv_showanimstate_log", "0", FCVAR_CHEAT | FCVAR_DEVELOPMENTONLY, "1 to output sv_showanimstate to Msg(). 2 to store in AnimStateServer.log. 3 for both." );

+#endif

+

+

+// Below this many degrees, slow down turning rate linearly

+#define FADE_TURN_DEGREES	45.0f

+

+// After this, need to start turning feet

+#define MAX_TORSO_ANGLE		70.0f

+

+// Below this amount, don't play a turning animation/perform IK

+#define MIN_TURN_ANGLE_REQUIRING_TURN_ANIMATION		15.0f

+

+

+ConVar mp_feetyawrate( 

+	"mp_feetyawrate", 

+	"720", 

+	FCVAR_REPLICATED | FCVAR_DEVELOPMENTONLY, 

+	"How many degrees per second that we can turn our feet or upper body." );

+

+ConVar mp_facefronttime( 

+	"mp_facefronttime", 

+	"3", 

+	FCVAR_REPLICATED | FCVAR_DEVELOPMENTONLY, 

+	"After this amount of time of standing in place but aiming to one side, go ahead and move feet to face upper body." );

+

+ConVar mp_ik( "mp_ik", "1", FCVAR_REPLICATED | FCVAR_DEVELOPMENTONLY, "Use IK on in-place turns." );

+

+// Pose parameters stored for debugging.

+float g_flLastBodyPitch, g_flLastBodyYaw, m_flLastMoveYaw;

+

+

+// ------------------------------------------------------------------------------------------------ //

+// CBasePlayerAnimState implementation.

+// ------------------------------------------------------------------------------------------------ //

+

+CBasePlayerAnimState::CBasePlayerAnimState()

+{

+	m_flEyeYaw = 0.0f;

+	m_flEyePitch = 0.0f;

+	m_bCurrentFeetYawInitialized = false;

+	m_flCurrentTorsoYaw = 0.0f;

+	m_flCurrentTorsoYaw = TURN_NONE;

+	m_flMaxGroundSpeed = 0.0f;

+	m_flStoredCycle = 0.0f;

+

+	m_flGaitYaw = 0.0f;

+	m_flGoalFeetYaw = 0.0f;

+	m_flCurrentFeetYaw = 0.0f;

+	m_flLastYaw = 0.0f;

+	m_flLastTurnTime = 0.0f;

+	m_angRender.Init();

+	m_vLastMovePose.Init();

+	m_iCurrent8WayIdleSequence = -1;

+	m_iCurrent8WayCrouchIdleSequence = -1;

+

+	m_pOuter = NULL;

+	m_eCurrentMainSequenceActivity = ACT_IDLE;

+	m_flLastAnimationStateClearTime = 0.0f;

+}

+

+

+CBasePlayerAnimState::~CBasePlayerAnimState()

+{

+}

+

+

+void CBasePlayerAnimState::Init( CBaseAnimatingOverlay *pPlayer, const CModAnimConfig &config )

+{

+	m_pOuter = pPlayer;

+	m_AnimConfig = config;

+	ClearAnimationState();

+}

+

+

+void CBasePlayerAnimState::Release()

+{

+	delete this;

+}

+

+

+void CBasePlayerAnimState::ClearAnimationState()

+{

+	ClearAnimationLayers();

+	m_bCurrentFeetYawInitialized = false;

+	m_flLastAnimationStateClearTime = gpGlobals->curtime;

+}

+

+

+float CBasePlayerAnimState::TimeSinceLastAnimationStateClear() const

+{

+	return gpGlobals->curtime - m_flLastAnimationStateClearTime;

+}

+

+

+void CBasePlayerAnimState::Update( float eyeYaw, float eyePitch )

+{

+	VPROF( "CBasePlayerAnimState::Update" );

+

+	// Clear animation overlays because we're about to completely reconstruct them.

+	ClearAnimationLayers();

+

+	// Some mods don't want to update the player's animation state if they're dead and ragdolled.

+	if ( !ShouldUpdateAnimState() )

+	{

+		ClearAnimationState();

+		return;

+	}

+	

+	

+	CStudioHdr *pStudioHdr = GetOuter()->GetModelPtr();

+	// Store these. All the calculations are based on them.

+	m_flEyeYaw = AngleNormalize( eyeYaw );

+	m_flEyePitch = AngleNormalize( eyePitch );

+

+	// Compute sequences for all the layers.

+	ComputeSequences( pStudioHdr );

+	

+	

+	// Compute all the pose params.

+	ComputePoseParam_BodyPitch( pStudioHdr );	// Look up/down.

+	ComputePoseParam_BodyYaw();		// Torso rotation.

+	ComputePoseParam_MoveYaw( pStudioHdr );		// What direction his legs are running in.

+

+	

+	ComputePlaybackRate();

+

+

+#ifdef CLIENT_DLL

+	if ( cl_showanimstate.GetInt() == m_pOuter->entindex() )

+	{

+		DebugShowAnimStateFull( 5 );

+	}

+	else if ( cl_showanimstate.GetInt() == -2 )

+	{

+		C_BasePlayer *targetPlayer = C_BasePlayer::GetLocalPlayer();

+

+		if( targetPlayer && ( targetPlayer->GetObserverMode() == OBS_MODE_IN_EYE || targetPlayer->GetObserverMode() == OBS_MODE_CHASE ) )

+		{

+			C_BaseEntity *target = targetPlayer->GetObserverTarget();

+

+			if( target && target->IsPlayer() )

+			{

+				targetPlayer = ToBasePlayer( target );

+			}

+		}

+

+		if ( m_pOuter == targetPlayer )

+		{

+			DebugShowAnimStateFull( 6 );

+		}

+	}

+#else

+	if ( sv_showanimstate.GetInt() == m_pOuter->entindex() )

+	{

+		DebugShowAnimState( 20 );

+	}

+#endif

+}

+

+

+bool CBasePlayerAnimState::ShouldUpdateAnimState()

+{

+	// By default, don't update their animation state when they're dead because they're

+	// either a ragdoll or they're not drawn.

+	return GetOuter()->IsAlive();

+}

+

+

+bool CBasePlayerAnimState::ShouldChangeSequences( void ) const

+{

+	return true;

+}

+

+

+void CBasePlayerAnimState::SetOuterPoseParameter( int iParam, float flValue )

+{

+	// Make sure to set all the history values too, otherwise the server can overwrite them.

+	GetOuter()->SetPoseParameter( iParam, flValue );

+}

+

+

+void CBasePlayerAnimState::ClearAnimationLayers()

+{

+	VPROF( "CBasePlayerAnimState::ClearAnimationLayers" );

+	if ( !m_pOuter )

+		return;

+

+	m_pOuter->SetNumAnimOverlays( AIMSEQUENCE_LAYER+NUM_AIMSEQUENCE_LAYERS );

+	for ( int i=0; i < m_pOuter->GetNumAnimOverlays(); i++ )

+	{

+		m_pOuter->GetAnimOverlay( i )->SetOrder( CBaseAnimatingOverlay::MAX_OVERLAYS );

+#ifndef CLIENT_DLL

+		m_pOuter->GetAnimOverlay( i )->m_fFlags = 0;

+#endif

+	}

+}

+

+

+void CBasePlayerAnimState::RestartMainSequence()

+{

+	CBaseAnimatingOverlay *pPlayer = GetOuter();

+

+	pPlayer->m_flAnimTime = gpGlobals->curtime;

+	pPlayer->SetCycle( 0 );

+}

+

+

+void CBasePlayerAnimState::ComputeSequences( CStudioHdr *pStudioHdr )

+{

+	VPROF( "CBasePlayerAnimState::ComputeSequences" );

+

+	ComputeMainSequence();		// Lower body (walk/run/idle).

+	UpdateInterpolators();		// The groundspeed interpolator uses the main sequence info.

+

+	if ( m_AnimConfig.m_bUseAimSequences )

+	{

+		ComputeAimSequence();		// Upper body, based on weapon type.

+	}

+}

+

+void CBasePlayerAnimState::ResetGroundSpeed( void )

+{

+	m_flMaxGroundSpeed = GetCurrentMaxGroundSpeed();

+}

+

+void CBasePlayerAnimState::ComputeMainSequence()

+{

+	VPROF( "CBasePlayerAnimState::ComputeMainSequence" );

+

+	CBaseAnimatingOverlay *pPlayer = GetOuter();

+

+	// Have our class or the mod-specific class determine what the current activity is.

+	Activity idealActivity = CalcMainActivity();

+

+#ifdef CLIENT_DLL

+	Activity oldActivity = m_eCurrentMainSequenceActivity;

+#endif

+	

+	// Store our current activity so the aim and fire layers know what to do.

+	m_eCurrentMainSequenceActivity = idealActivity;

+

+	// Export to our outer class..

+	int animDesired = SelectWeightedSequence( TranslateActivity(idealActivity) );

+

+#if !defined( HL1_CLIENT_DLL ) && !defined ( HL1_DLL )

+	if ( pPlayer->GetSequenceActivity( pPlayer->GetSequence() ) == pPlayer->GetSequenceActivity( animDesired ) )

+		return;

+#endif

+

+	if ( animDesired < 0 )

+		 animDesired = 0;

+

+	pPlayer->ResetSequence( animDesired );

+

+#ifdef CLIENT_DLL

+	// If we went from idle to walk, reset the interpolation history.

+	// Kind of hacky putting this here.. it might belong outside the base class.

+	if ( (oldActivity == ACT_CROUCHIDLE || oldActivity == ACT_IDLE) && 

+		 (idealActivity == ACT_WALK || idealActivity == ACT_RUN_CROUCH) )

+	{

+		ResetGroundSpeed();

+	}

+#endif

+}

+

+

+

+

+

+void CBasePlayerAnimState::UpdateAimSequenceLayers(

+	float flCycle,

+	int iFirstLayer,

+	bool bForceIdle,

+	CSequenceTransitioner *pTransitioner,

+	float flWeightScale

+	)

+{

+	float flAimSequenceWeight = 1;

+	int iAimSequence = CalcAimLayerSequence( &flCycle, &flAimSequenceWeight, bForceIdle );

+	if ( iAimSequence == -1 )

+		iAimSequence = 0;

+

+	// Feed the current state of the animation parameters to the sequence transitioner.

+	// It will hand back either 1 or 2 animations in the queue to set, depending on whether

+	// it's transitioning or not. We just dump those into the animation layers.

+	pTransitioner->CheckForSequenceChange(

+		m_pOuter->GetModelPtr(),

+		iAimSequence,

+		false,	// don't force transitions on the same anim

+		true	// yes, interpolate when transitioning

+		);

+

+	pTransitioner->UpdateCurrent(

+		m_pOuter->GetModelPtr(),

+		iAimSequence,

+		flCycle,

+		GetOuter()->GetPlaybackRate(),

+		gpGlobals->curtime

+		);

+

+	CAnimationLayer *pDest0 = m_pOuter->GetAnimOverlay( iFirstLayer );

+	CAnimationLayer *pDest1 = m_pOuter->GetAnimOverlay( iFirstLayer+1 );

+

+	if ( pTransitioner->m_animationQueue.Count() == 1 )

+	{

+		// If only 1 animation, then blend it in fully.

+		CAnimationLayer *pSource0 = &pTransitioner->m_animationQueue[0];

+		*pDest0 = *pSource0;

+		

+		pDest0->m_flWeight = 1;

+		pDest1->m_flWeight = 0;

+		pDest0->m_nOrder = iFirstLayer;

+

+#ifndef CLIENT_DLL

+		pDest0->m_fFlags |= ANIM_LAYER_ACTIVE;

+#endif

+	}

+	else if ( pTransitioner->m_animationQueue.Count() >= 2 )

+	{

+		// The first one should be fading out. Fade in the new one inversely.

+		CAnimationLayer *pSource0 = &pTransitioner->m_animationQueue[0];

+		CAnimationLayer *pSource1 = &pTransitioner->m_animationQueue[1];

+

+		*pDest0 = *pSource0;

+		*pDest1 = *pSource1;

+		Assert( pDest0->m_flWeight >= 0.0f && pDest0->m_flWeight <= 1.0f );

+		pDest1->m_flWeight = 1 - pDest0->m_flWeight;	// This layer just mirrors the other layer's weight (one fades in while the other fades out).

+

+		pDest0->m_nOrder = iFirstLayer;

+		pDest1->m_nOrder = iFirstLayer+1;

+

+#ifndef CLIENT_DLL

+		pDest0->m_fFlags |= ANIM_LAYER_ACTIVE;

+		pDest1->m_fFlags |= ANIM_LAYER_ACTIVE;

+#endif

+	}

+	

+	pDest0->m_flWeight *= flWeightScale * flAimSequenceWeight;

+	pDest0->m_flWeight = clamp( (float)pDest0->m_flWeight, 0.0f, 1.0f );

+

+	pDest1->m_flWeight *= flWeightScale * flAimSequenceWeight;

+	pDest1->m_flWeight = clamp( (float)pDest1->m_flWeight, 0.0f, 1.0f );

+

+	pDest0->m_flCycle = pDest1->m_flCycle = flCycle;

+}

+

+

+void CBasePlayerAnimState::OptimizeLayerWeights( int iFirstLayer, int nLayers )

+{

+	int i;

+

+	// Find the total weight of the blended layers, not including the idle layer (iFirstLayer)

+	float totalWeight = 0.0f;

+	for ( i=1; i < nLayers; i++ )

+	{

+		CAnimationLayer *pLayer = m_pOuter->GetAnimOverlay( iFirstLayer+i );

+		if ( pLayer->IsActive() && pLayer->m_flWeight > 0.0f )

+		{

+			totalWeight += pLayer->m_flWeight;

+		}

+	}

+

+	// Set the idle layer's weight to be 1 minus the sum of other layer weights

+	CAnimationLayer *pLayer = m_pOuter->GetAnimOverlay( iFirstLayer );

+	if ( pLayer->IsActive() && pLayer->m_flWeight > 0.0f )

+	{

+		pLayer->m_flWeight = 1.0f - totalWeight;

+		pLayer->m_flWeight = MAX( (float)pLayer->m_flWeight, 0.0f);

+	}

+

+	// This part is just an optimization. Since we have the walk/run animations weighted on top of 

+	// the idle animations, all this does is disable the idle animations if the walk/runs are at

+	// full weighting, which is whenever a guy is at full speed.

+	//

+	// So it saves us blending a couple animation layers whenever a guy is walking or running full speed.

+	int iLastOne = -1;

+	for ( i=0; i < nLayers; i++ )

+	{

+		CAnimationLayer *pLayer = m_pOuter->GetAnimOverlay( iFirstLayer+i );

+		if ( pLayer->IsActive() && pLayer->m_flWeight > 0.99 )

+			iLastOne = i;

+	}

+

+	if ( iLastOne != -1 )

+	{

+		for ( int i=iLastOne-1; i >= 0; i-- )

+		{

+			CAnimationLayer *pLayer = m_pOuter->GetAnimOverlay( iFirstLayer+i );

+#ifdef CLIENT_DLL 

+			pLayer->m_nOrder = CBaseAnimatingOverlay::MAX_OVERLAYS;

+#else

+			pLayer->m_nOrder.Set( CBaseAnimatingOverlay::MAX_OVERLAYS );

+			pLayer->m_fFlags = 0;

+#endif

+		}

+	}

+}

+

+bool CBasePlayerAnimState::ShouldBlendAimSequenceToIdle()

+{

+	Activity act = GetCurrentMainSequenceActivity();

+

+	return (act == ACT_RUN || act == ACT_WALK || act == ACT_RUNTOIDLE || act == ACT_RUN_CROUCH);

+}

+

+void CBasePlayerAnimState::ComputeAimSequence()

+{

+	VPROF( "CBasePlayerAnimState::ComputeAimSequence" );

+

+	// Synchronize the lower and upper body cycles.

+	float flCycle = m_pOuter->GetCycle();

+

+	// Figure out the new cycle time.

+	UpdateAimSequenceLayers( flCycle, AIMSEQUENCE_LAYER, true, &m_IdleSequenceTransitioner, 1 );

+	

+	if ( ShouldBlendAimSequenceToIdle() )

+	{

+		// What we do here is blend between the idle upper body animation (like where he's got the dual elites

+		// held out in front of him but he's not moving) and his walk/run/crouchrun upper body animation,

+		// weighting it based on how fast he's moving. That way, when he's moving slowly, his upper 

+		// body doesn't jiggle all around.

+		bool bIsMoving;

+		float flPlaybackRate = CalcMovementPlaybackRate( &bIsMoving );

+		if ( bIsMoving )

+			UpdateAimSequenceLayers( flCycle, AIMSEQUENCE_LAYER+2, false, &m_SequenceTransitioner, flPlaybackRate );

+	}

+

+	OptimizeLayerWeights( AIMSEQUENCE_LAYER, NUM_AIMSEQUENCE_LAYERS );

+}

+

+

+int CBasePlayerAnimState::CalcSequenceIndex( const char *pBaseName, ... )

+{

+	char szFullName[512];

+	va_list marker;

+	va_start( marker, pBaseName );

+	Q_vsnprintf( szFullName, sizeof( szFullName ), pBaseName, marker );

+	va_end( marker );

+	int iSequence = GetOuter()->LookupSequence( szFullName );

+	

+	// Show warnings if we can't find anything here.

+	if ( iSequence == -1 )

+	{

+		static CUtlDict<int,int> dict;

+		if ( dict.Find( szFullName ) == -1 )

+		{

+			dict.Insert( szFullName, 0 );

+			Warning( "CalcSequenceIndex: can't find '%s'.\n", szFullName );

+		}

+

+		iSequence = 0;

+	}

+

+	return iSequence;

+}

+

+

+

+void CBasePlayerAnimState::UpdateInterpolators()

+{

+	VPROF( "CBasePlayerAnimState::UpdateInterpolators" );

+

+	// First, figure out their current max speed based on their current activity.

+	float flCurMaxSpeed = GetCurrentMaxGroundSpeed();

+	m_flMaxGroundSpeed = flCurMaxSpeed;

+}

+

+

+float CBasePlayerAnimState::GetInterpolatedGroundSpeed()

+{

+	return m_flMaxGroundSpeed;

+}

+

+

+float CBasePlayerAnimState::CalcMovementPlaybackRate( bool *bIsMoving )

+{

+	// Determine ideal playback rate

+	Vector vel;

+	GetOuterAbsVelocity( vel );

+

+	float speed = vel.Length2D();

+	bool isMoving = ( speed > MOVING_MINIMUM_SPEED );

+

+	*bIsMoving = false;

+	float flReturnValue = 1;

+

+	if ( isMoving && CanThePlayerMove() )

+	{

+		float flGroundSpeed = GetInterpolatedGroundSpeed();

+		if ( flGroundSpeed < 0.001f )

+		{

+			flReturnValue = 0.01;

+		}

+		else

+		{

+			// Note this gets set back to 1.0 if sequence changes due to ResetSequenceInfo below

+			flReturnValue = speed / flGroundSpeed;

+			flReturnValue = clamp( flReturnValue, 0.01f, 10.f );	// don't go nuts here.

+		}

+		*bIsMoving = true;

+	}

+	

+	return flReturnValue;

+}

+

+

+bool CBasePlayerAnimState::CanThePlayerMove()

+{

+	return true;

+}

+

+

+void CBasePlayerAnimState::ComputePlaybackRate()

+{

+	VPROF( "CBasePlayerAnimState::ComputePlaybackRate" );

+	if ( m_AnimConfig.m_LegAnimType != LEGANIM_9WAY && m_AnimConfig.m_LegAnimType != LEGANIM_8WAY )

+	{

+		// When using a 9-way blend, playback rate is always 1 and we just scale the pose params

+		// to speed up or slow down the animation.

+		bool bIsMoving;

+		float flRate = CalcMovementPlaybackRate( &bIsMoving );

+		if ( bIsMoving )

+			GetOuter()->SetPlaybackRate( flRate );

+		else

+			GetOuter()->SetPlaybackRate( 1 );

+	}

+}

+

+

+//-----------------------------------------------------------------------------

+// Purpose: 

+// Output : CBasePlayer

+//-----------------------------------------------------------------------------

+CBaseAnimatingOverlay *CBasePlayerAnimState::GetOuter() const

+{

+	return m_pOuter;

+}

+

+//-----------------------------------------------------------------------------

+// Purpose: 

+// Input  : dt - 

+//-----------------------------------------------------------------------------

+void CBasePlayerAnimState::EstimateYaw()

+{

+	Vector est_velocity;

+	GetOuterAbsVelocity( est_velocity );

+

+	float flLength = est_velocity.Length2D();

+	if ( flLength > MOVING_MINIMUM_SPEED )

+	{

+		m_flGaitYaw = atan2( est_velocity[1], est_velocity[0] );

+		m_flGaitYaw = RAD2DEG( m_flGaitYaw );

+		m_flGaitYaw = AngleNormalize( m_flGaitYaw );

+	}

+}

+

+//-----------------------------------------------------------------------------

+// Purpose: Override for backpeddling

+// Input  : dt - 

+//-----------------------------------------------------------------------------

+void CBasePlayerAnimState::ComputePoseParam_MoveYaw( CStudioHdr *pStudioHdr )

+{

+	VPROF( "CBasePlayerAnimState::ComputePoseParam_MoveYaw" );

+

+	//Matt: Goldsrc style animations need to not rotate the model

+	if ( m_AnimConfig.m_LegAnimType == LEGANIM_GOLDSRC )

+	{

+#ifndef CLIENT_DLL

+		//Adrian: Make the model's angle match the legs so the hitboxes match on both sides.

+		GetOuter()->SetLocalAngles( QAngle( 0, m_flCurrentFeetYaw, 0 ) );

+#endif

+	}

+

+	// If using goldsrc-style animations where he's moving in the direction that his feet are facing,

+	// we don't use move yaw.

+	if ( m_AnimConfig.m_LegAnimType != LEGANIM_9WAY && m_AnimConfig.m_LegAnimType != LEGANIM_8WAY )

+		return;

+

+	// view direction relative to movement

+	float flYaw;	 

+

+	EstimateYaw();

+

+	float ang = m_flEyeYaw;

+	if ( ang > 180.0f )

+	{

+		ang -= 360.0f;

+	}

+	else if ( ang < -180.0f )

+	{

+		ang += 360.0f;

+	}

+

+	// calc side to side turning

+	flYaw = ang - m_flGaitYaw;

+	// Invert for mapping into 8way blend

+	flYaw = -flYaw;

+	flYaw = flYaw - (int)(flYaw / 360) * 360;

+

+	if (flYaw < -180)

+	{

+		flYaw = flYaw + 360;

+	}

+	else if (flYaw > 180)

+	{

+		flYaw = flYaw - 360;

+	}

+

+	

+	if ( m_AnimConfig.m_LegAnimType == LEGANIM_9WAY )

+	{

+#ifndef CLIENT_DLL

+		//Adrian: Make the model's angle match the legs so the hitboxes match on both sides.

+		GetOuter()->SetLocalAngles( QAngle( 0, m_flCurrentFeetYaw, 0 ) );

+#endif

+

+		int iMoveX = GetOuter()->LookupPoseParameter( pStudioHdr, "move_x" );

+		int iMoveY = GetOuter()->LookupPoseParameter( pStudioHdr, "move_y" );

+		if ( iMoveX < 0 || iMoveY < 0 )

+			return;

+

+		bool bIsMoving;

+		float flPlaybackRate = CalcMovementPlaybackRate( &bIsMoving );

+

+		// Setup the 9-way blend parameters based on our speed and direction.

+		Vector2D vCurMovePose( 0, 0 );

+

+		if ( bIsMoving )

+		{

+			vCurMovePose.x = cos( DEG2RAD( flYaw ) ) * flPlaybackRate;

+			vCurMovePose.y = -sin( DEG2RAD( flYaw ) ) * flPlaybackRate;

+		}

+

+		GetOuter()->SetPoseParameter( pStudioHdr, iMoveX, vCurMovePose.x );

+		GetOuter()->SetPoseParameter( pStudioHdr, iMoveY, vCurMovePose.y );

+

+		m_vLastMovePose = vCurMovePose;

+	}

+	else

+	{

+		int iMoveYaw = GetOuter()->LookupPoseParameter( pStudioHdr, "move_yaw" );

+		if ( iMoveYaw >= 0 )

+		{

+			GetOuter()->SetPoseParameter( pStudioHdr, iMoveYaw, flYaw );

+			m_flLastMoveYaw = flYaw;

+

+			// Now blend in his idle animation.

+			// This makes the 8-way blend act like a 9-way blend by blending to 

+			// an idle sequence as he slows down.

+#if defined(CLIENT_DLL)

+			bool bIsMoving;

+			CAnimationLayer *pLayer = m_pOuter->GetAnimOverlay( MAIN_IDLE_SEQUENCE_LAYER );

+			

+			pLayer->m_flWeight = 1 - CalcMovementPlaybackRate( &bIsMoving );

+			if ( !bIsMoving )

+			{

+				pLayer->m_flWeight = 1;

+			}

+

+			if ( ShouldChangeSequences() )

+			{

+				// Whenever this layer stops blending, we can choose a new idle sequence to blend to, so he 

+				// doesn't always use the same idle.

+				if ( pLayer->m_flWeight < 0.02f || m_iCurrent8WayIdleSequence == -1 )

+				{

+					m_iCurrent8WayIdleSequence = m_pOuter->SelectWeightedSequence( ACT_IDLE );

+					m_iCurrent8WayCrouchIdleSequence = m_pOuter->SelectWeightedSequence( ACT_CROUCHIDLE );

+				}

+

+				if ( m_eCurrentMainSequenceActivity == ACT_CROUCHIDLE || m_eCurrentMainSequenceActivity == ACT_RUN_CROUCH )

+					pLayer->m_nSequence = m_iCurrent8WayCrouchIdleSequence;

+				else

+					pLayer->m_nSequence = m_iCurrent8WayIdleSequence;

+			}

+			

+			pLayer->m_flPlaybackRate = 1;

+			pLayer->m_flCycle += m_pOuter->GetSequenceCycleRate( pStudioHdr, pLayer->m_nSequence ) * gpGlobals->frametime;

+			pLayer->m_flCycle = fmod( pLayer->m_flCycle, 1 );

+			pLayer->m_nOrder = MAIN_IDLE_SEQUENCE_LAYER;

+#endif

+		}

+	}

+}

+

+//-----------------------------------------------------------------------------

+// Purpose: 

+//-----------------------------------------------------------------------------

+void CBasePlayerAnimState::ComputePoseParam_BodyPitch( CStudioHdr *pStudioHdr )

+{

+	VPROF( "CBasePlayerAnimState::ComputePoseParam_BodyPitch" );

+

+	// Get pitch from v_angle

+	float flPitch = m_flEyePitch;

+	if ( flPitch > 180.0f )

+	{

+		flPitch -= 360.0f;

+	}

+	flPitch = clamp( flPitch, -90.f, 90.f );

+

+	// See if we have a blender for pitch

+	int pitch = GetOuter()->LookupPoseParameter( pStudioHdr, "body_pitch" );

+	if ( pitch < 0 )

+		return;

+

+	GetOuter()->SetPoseParameter( pStudioHdr, pitch, flPitch );

+	g_flLastBodyPitch = flPitch;

+}

+

+//-----------------------------------------------------------------------------

+// Purpose: 

+// Input  : goal - 

+//			maxrate - 

+//			dt - 

+//			current - 

+// Output : int

+//-----------------------------------------------------------------------------

+int CBasePlayerAnimState::ConvergeAngles( float goal,float maxrate, float maxgap, float dt, float& current )

+{

+	int direction = TURN_NONE;

+

+	float anglediff = goal - current;

+	anglediff = AngleNormalize( anglediff );

+	

+	float anglediffabs = fabs( anglediff );

+

+	float scale = 1.0f;

+	if ( anglediffabs <= FADE_TURN_DEGREES )

+	{

+		scale = anglediffabs / FADE_TURN_DEGREES;

+		// Always do at least a bit of the turn ( 1% )

+		scale = clamp( scale, 0.01f, 1.0f );

+	}

+

+	float maxmove = maxrate * dt * scale;

+

+	if ( anglediffabs > maxgap )

+	{

+		// gap is too big, jump

+		maxmove = (anglediffabs - maxgap);

+	}

+

+	if ( anglediffabs < maxmove )

+	{

+		// we are close enought, just set the final value

+		current = goal;

+	}

+	else

+	{

+		// adjust value up or down

+		if ( anglediff > 0 )

+		{

+			current += maxmove;

+			direction = TURN_LEFT;

+		}

+		else

+		{

+			current -= maxmove;

+			direction = TURN_RIGHT;

+		}

+	}

+

+	current = AngleNormalize( current );

+

+	return direction;

+}

+

+void CBasePlayerAnimState::ComputePoseParam_BodyYaw()

+{

+	VPROF( "CBasePlayerAnimState::ComputePoseParam_BodyYaw" );

+

+	// Find out which way he's running (m_flEyeYaw is the way he's looking).

+	Vector vel;

+	GetOuterAbsVelocity( vel );

+	bool bIsMoving = vel.Length2D() > MOVING_MINIMUM_SPEED;

+

+	// If we just initialized this guy (maybe he just came into the PVS), then immediately

+	// set his feet in the right direction, otherwise they'll spin around from 0 to the 

+	// right direction every time someone switches spectator targets.

+	if ( !m_bCurrentFeetYawInitialized )

+	{

+		m_bCurrentFeetYawInitialized = true;

+		m_flGoalFeetYaw = m_flCurrentFeetYaw = m_flEyeYaw;

+		m_flLastTurnTime = 0.0f;

+	}

+	else if ( bIsMoving )

+	{

+		// player is moving, feet yaw = aiming yaw

+		if ( m_AnimConfig.m_LegAnimType == LEGANIM_9WAY || m_AnimConfig.m_LegAnimType == LEGANIM_8WAY )

+		{

+			// His feet point in the direction his eyes are, but they can run in any direction.

+			m_flGoalFeetYaw = m_flEyeYaw;

+		}

+		else

+		{

+			m_flGoalFeetYaw = RAD2DEG( atan2( vel.y, vel.x ) );

+

+			// If he's running backwards, flip his feet backwards.

+			Vector vEyeYaw( cos( DEG2RAD( m_flEyeYaw ) ), sin( DEG2RAD( m_flEyeYaw ) ), 0 );

+			Vector vFeetYaw( cos( DEG2RAD( m_flGoalFeetYaw ) ), sin( DEG2RAD( m_flGoalFeetYaw ) ), 0 );

+			if ( vEyeYaw.Dot( vFeetYaw ) < -0.01 )

+			{

+				m_flGoalFeetYaw += 180;

+			}

+		}

+

+	}

+	else if ( (gpGlobals->curtime - m_flLastTurnTime) > mp_facefronttime.GetFloat() )

+	{

+		// player didn't move & turn for quite some time

+		m_flGoalFeetYaw = m_flEyeYaw;

+	}

+	else

+	{

+		// If he's rotated his view further than the model can turn, make him face forward.

+		float flDiff = AngleNormalize(  m_flGoalFeetYaw - m_flEyeYaw );

+

+		if ( fabs(flDiff) > m_AnimConfig.m_flMaxBodyYawDegrees )

+		{

+			if ( flDiff  > 0 )

+				m_flGoalFeetYaw -= m_AnimConfig.m_flMaxBodyYawDegrees;

+			else

+				m_flGoalFeetYaw += m_AnimConfig.m_flMaxBodyYawDegrees;

+		}

+	}

+

+	m_flGoalFeetYaw = AngleNormalize( m_flGoalFeetYaw );

+

+	if ( m_flCurrentFeetYaw != m_flGoalFeetYaw )

+	{

+		ConvergeAngles( m_flGoalFeetYaw, mp_feetyawrate.GetFloat(), m_AnimConfig.m_flMaxBodyYawDegrees,

+			 gpGlobals->frametime, m_flCurrentFeetYaw );

+

+		m_flLastTurnTime = gpGlobals->curtime;

+	}

+

+	float flCurrentTorsoYaw = AngleNormalize( m_flEyeYaw - m_flCurrentFeetYaw );

+

+	// Rotate entire body into position

+	m_angRender[YAW] = m_flCurrentFeetYaw;

+	m_angRender[PITCH] = m_angRender[ROLL] = 0;

+		

+	SetOuterBodyYaw( flCurrentTorsoYaw );

+	g_flLastBodyYaw = flCurrentTorsoYaw;

+}

+

+

+

+float CBasePlayerAnimState::SetOuterBodyYaw( float flValue )

+{

+	int body_yaw = GetOuter()->LookupPoseParameter( "body_yaw" );

+	if ( body_yaw < 0 )

+	{

+		return 0;

+	}

+

+	SetOuterPoseParameter( body_yaw, flValue );

+	return flValue;

+}

+

+

+//-----------------------------------------------------------------------------

+// Purpose: 

+// Input  : activity - 

+// Output : Activity

+//-----------------------------------------------------------------------------

+Activity CBasePlayerAnimState::BodyYawTranslateActivity( Activity activity )

+{

+	// Not even standing still, sigh

+	if ( activity != ACT_IDLE )

+		return activity;

+

+	// Not turning

+	switch ( m_nTurningInPlace )

+	{

+	default:

+	case TURN_NONE:

+		return activity;

+	case TURN_RIGHT:

+	case TURN_LEFT:

+		return mp_ik.GetBool() ? ACT_TURN : activity;

+	}

+

+	Assert( 0 );

+	return activity;

+}

+

+const QAngle& CBasePlayerAnimState::GetRenderAngles()

+{

+	return m_angRender;

+}

+

+

+void CBasePlayerAnimState::GetOuterAbsVelocity( Vector& vel ) const

+{

+#if defined( CLIENT_DLL )

+	GetOuter()->EstimateAbsVelocity( vel );

+#else

+	vel = GetOuter()->GetAbsVelocity();

+#endif

+}

+

+

+float CBasePlayerAnimState::GetOuterXYSpeed() const

+{

+	Vector vel;

+	GetOuterAbsVelocity( vel );

+	return vel.Length2D();

+}

+

+// -----------------------------------------------------------------------------

+void CBasePlayerAnimState::AnimStateLog( const char *pMsg, ... )

+{

+	// Format the string.

+	char str[4096];

+	va_list marker;

+	va_start( marker, pMsg );

+	Q_vsnprintf( str, sizeof( str ), pMsg, marker );

+	va_end( marker );

+

+	// Log it?	

+	if ( showanimstate_log.GetInt() == 1 || showanimstate_log.GetInt() == 3 )

+	{

+		Msg( "%s", str );

+	}

+

+	if ( showanimstate_log.GetInt() > 1 )

+	{

+#ifdef CLIENT_DLL

+		const char *fname = "AnimStateClient.log";

+#else

+		const char *fname = "AnimStateServer.log";

+#endif

+		static FileHandle_t hFile = filesystem->Open( fname, "wt" );

+		filesystem->FPrintf( hFile, "%s", str );

+		filesystem->Flush( hFile );

+	}

+}

+

+

+// -----------------------------------------------------------------------------

+void CBasePlayerAnimState::AnimStatePrintf( int iLine, const char *pMsg, ... )

+{

+	// Format the string.

+	char str[4096];

+	va_list marker;

+	va_start( marker, pMsg );

+	Q_vsnprintf( str, sizeof( str ), pMsg, marker );

+	va_end( marker );

+

+	// Show it with Con_NPrintf.

+	engine->Con_NPrintf( iLine, "%s", str );

+

+	// Log it.

+	AnimStateLog( "%s\n", str );

+}

+

+

+// -----------------------------------------------------------------------------

+void CBasePlayerAnimState::DebugShowAnimState( int iStartLine )

+{

+	Vector vOuterVel;

+	GetOuterAbsVelocity( vOuterVel );

+

+	int iLine = iStartLine;

+	AnimStatePrintf( iLine++, "main: %s(%d), cycle: %.2f cyclerate: %.2f playbackrate: %.2f\n", 

+		GetSequenceName( m_pOuter->GetModelPtr(), m_pOuter->GetSequence() ), 

+		m_pOuter->GetSequence(),

+		m_pOuter->GetCycle(), 

+		m_pOuter->GetSequenceCycleRate(m_pOuter->GetModelPtr(), m_pOuter->GetSequence()),

+		m_pOuter->GetPlaybackRate()

+		);

+

+	if ( m_AnimConfig.m_LegAnimType == LEGANIM_8WAY )

+	{

+		CAnimationLayer *pLayer = m_pOuter->GetAnimOverlay( MAIN_IDLE_SEQUENCE_LAYER );

+

+		AnimStatePrintf( iLine++, "idle: %s, weight: %.2f\n",

+			GetSequenceName( m_pOuter->GetModelPtr(), pLayer->m_nSequence ), 

+			(float)pLayer->m_flWeight );

+	}

+

+	for ( int i=0; i < m_pOuter->GetNumAnimOverlays()-1; i++ )

+	{

+		CAnimationLayer *pLayer = m_pOuter->GetAnimOverlay( AIMSEQUENCE_LAYER + i );

+#ifdef CLIENT_DLL

+		AnimStatePrintf( iLine++, "%s(%d), weight: %.2f, cycle: %.2f, order (%d), aim (%d)", 

+			!pLayer->IsActive() ? "-- ": (pLayer->m_nSequence == 0 ? "-- " : GetSequenceName( m_pOuter->GetModelPtr(), pLayer->m_nSequence ) ), 

+			!pLayer->IsActive() ? 0 : (int)pLayer->m_nSequence, 

+			!pLayer->IsActive() ? 0 : (float)pLayer->m_flWeight, 

+			!pLayer->IsActive() ? 0 : (float)pLayer->m_flCycle, 

+			!pLayer->IsActive() ? 0 : (int)pLayer->m_nOrder,

+			i

+			);

+#else

+		AnimStatePrintf( iLine++, "%s(%d), flags (%d), weight: %.2f, cycle: %.2f, order (%d), aim (%d)", 

+			!pLayer->IsActive() ? "-- " : ( pLayer->m_nSequence == 0 ? "-- " : GetSequenceName( m_pOuter->GetModelPtr(), pLayer->m_nSequence ) ), 

+			!pLayer->IsActive() ? 0 : (int)pLayer->m_nSequence, 

+			!pLayer->IsActive() ? 0 : (int)pLayer->m_fFlags,// Doesn't exist on client

+			!pLayer->IsActive() ? 0 : (float)pLayer->m_flWeight, 

+			!pLayer->IsActive() ? 0 : (float)pLayer->m_flCycle, 

+			!pLayer->IsActive() ? 0 : (int)pLayer->m_nOrder,

+			i

+			);

+#endif

+	}

+

+	AnimStatePrintf( iLine++, "vel: %.2f, time: %.2f, max: %.2f, animspeed: %.2f", 

+		vOuterVel.Length2D(), gpGlobals->curtime, GetInterpolatedGroundSpeed(), m_pOuter->GetSequenceGroundSpeed(m_pOuter->GetSequence()) );

+	

+	if ( m_AnimConfig.m_LegAnimType == LEGANIM_8WAY )

+	{

+		AnimStatePrintf( iLine++, "ent yaw: %.2f, body_yaw: %.2f, move_yaw: %.2f, gait_yaw: %.2f, body_pitch: %.2f", 

+			m_angRender[YAW], g_flLastBodyYaw, m_flLastMoveYaw, m_flGaitYaw, g_flLastBodyPitch );

+	}

+	else

+	{

+		AnimStatePrintf( iLine++, "ent yaw: %.2f, body_yaw: %.2f, body_pitch: %.2f, move_x: %.2f, move_y: %.2f", 

+			m_angRender[YAW], g_flLastBodyYaw, g_flLastBodyPitch, m_vLastMovePose.x, m_vLastMovePose.y );

+	}

+

+	// Draw a red triangle on the ground for the eye yaw.

+	float flBaseSize = 10;

+	float flHeight = 80;

+	Vector vBasePos = GetOuter()->GetAbsOrigin() + Vector( 0, 0, 3 );

+	QAngle angles( 0, 0, 0 );

+	angles[YAW] = m_flEyeYaw;

+	Vector vForward, vRight, vUp;

+	AngleVectors( angles, &vForward, &vRight, &vUp );

+	debugoverlay->AddTriangleOverlay( vBasePos+vRight*flBaseSize/2, vBasePos-vRight*flBaseSize/2, vBasePos+vForward*flHeight, 255, 0, 0, 255, false, 0.01 );

+

+	// Draw a blue triangle on the ground for the body yaw.

+	angles[YAW] = m_angRender[YAW];

+	AngleVectors( angles, &vForward, &vRight, &vUp );

+	debugoverlay->AddTriangleOverlay( vBasePos+vRight*flBaseSize/2, vBasePos-vRight*flBaseSize/2, vBasePos+vForward*flHeight, 0, 0, 255, 255, false, 0.01 );

+

+}

+

+// -----------------------------------------------------------------------------

+void CBasePlayerAnimState::DebugShowAnimStateFull( int iStartLine )

+{

+	AnimStateLog( "----------------- frame %d -----------------\n", gpGlobals->framecount );

+

+	DebugShowAnimState( iStartLine );

+

+	AnimStateLog( "--------------------------------------------\n\n" );

+}

+

+// -----------------------------------------------------------------------------

+int CBasePlayerAnimState::SelectWeightedSequence( Activity activity ) 

+{

+	return GetOuter()->SelectWeightedSequence( activity ); 

+}

+