/** 
 * @File llvoavatar.cpp
 * @brief Implementation of LLVOAvatar class which is a derivation of LLViewerObject
 *
 * $LicenseInfo:firstyear=2001&license=viewerlgpl$
 * Second Life Viewer Source Code
 * Copyright (C) 2010, Linden Research, Inc.
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation;
 * version 2.1 of the License only.
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 * 
 * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
 * $/LicenseInfo$
 */

#if LL_MSVC
// disable warning about boost::lexical_cast returning uninitialized data
// when it fails to parse the string
#pragma warning (disable:4701)
#endif

#include "llviewerprecompiledheaders.h"

#include "llvoavatar.h"

#define XXX_STINSON_CHUI_REWORK // temporarily re-enabling the in-world voice-dot

#include <stdio.h>
#include <ctype.h>

#include "llaudioengine.h"
#include "noise.h"
#include "sound_ids.h"
#include "raytrace.h"

#include "llagent.h" //  Get state values from here
#include "llagentcamera.h"
#include "llagentwearables.h"
#include "llanimationstates.h"
#include "llavatarnamecache.h"
#include "llavatarpropertiesprocessor.h"
#include "llphysicsmotion.h"
#include "llviewercontrol.h"
#include "llcallingcard.h"		// IDEVO for LLAvatarTracker
#include "lldrawpoolavatar.h"
#include "lldriverparam.h"
#include "lleditingmotion.h"
#include "llemote.h"
//#include "llfirstuse.h"
#include "llfloatertools.h"
#include "llheadrotmotion.h"
#include "llhudeffecttrail.h"
#include "llhudmanager.h"
#include "llhudnametag.h"
#include "llhudtext.h"				// for mText/mDebugText
#include "llinitparam.h"
#include "llkeyframefallmotion.h"
#include "llkeyframestandmotion.h"
#include "llkeyframewalkmotion.h"
#include "llmanipscale.h"  // for get_default_max_prim_scale()
#include "llmeshrepository.h"
#include "llmutelist.h"
#include "llmoveview.h"
#include "llnotificationsutil.h"
#include "llquantize.h"
#include "llrand.h"
#include "llregionhandle.h"
#include "llresmgr.h"
#include "llselectmgr.h"
#include "llsprite.h"
#include "lltargetingmotion.h"
#include "lltexlayer.h"
#include "lltoolmorph.h"
#include "llviewercamera.h"
#include "llviewertexturelist.h"
#include "llviewermenu.h"
#include "llviewerobjectlist.h"
#include "llviewerparcelmgr.h"
#include "llviewershadermgr.h"
#include "llviewerstats.h"
#include "llvoavatarself.h"
#include "llvovolume.h"
#include "llworld.h"
#include "pipeline.h"
#include "llviewershadermgr.h"
#include "llsky.h"
#include "llanimstatelabels.h"
#include "lltrans.h"
#include "llappearancemgr.h"

#include "llgesturemgr.h" //needed to trigger the voice gesticulations
#include "llvoiceclient.h"
#include "llvoicevisualizer.h" // Ventrella

#include "lldebugmessagebox.h"
#include "llsdutil.h"

extern F32 SPEED_ADJUST_MAX;
extern F32 SPEED_ADJUST_MAX_SEC;
extern F32 ANIM_SPEED_MAX;
extern F32 ANIM_SPEED_MIN;

#if LL_MSVC
// disable boost::lexical_cast warning
#pragma warning (disable:4702)
#endif

#include <boost/lexical_cast.hpp>

// #define OUTPUT_BREAST_DATA

using namespace LLVOAvatarDefines;

//-----------------------------------------------------------------------------
// Global constants
//-----------------------------------------------------------------------------
const LLUUID ANIM_AGENT_BODY_NOISE = LLUUID("9aa8b0a6-0c6f-9518-c7c3-4f41f2c001ad"); //"body_noise"
const LLUUID ANIM_AGENT_BREATHE_ROT	= LLUUID("4c5a103e-b830-2f1c-16bc-224aa0ad5bc8");  //"breathe_rot"
const LLUUID ANIM_AGENT_EDITING	= LLUUID("2a8eba1d-a7f8-5596-d44a-b4977bf8c8bb");  //"editing"
const LLUUID ANIM_AGENT_EYE	= LLUUID("5c780ea8-1cd1-c463-a128-48c023f6fbea");  //"eye"
const LLUUID ANIM_AGENT_FLY_ADJUST = LLUUID("db95561f-f1b0-9f9a-7224-b12f71af126e");  //"fly_adjust"
const LLUUID ANIM_AGENT_HAND_MOTION	= LLUUID("ce986325-0ba7-6e6e-cc24-b17c4b795578");  //"hand_motion"
const LLUUID ANIM_AGENT_HEAD_ROT = LLUUID("e6e8d1dd-e643-fff7-b238-c6b4b056a68d");  //"head_rot"
const LLUUID ANIM_AGENT_PELVIS_FIX = LLUUID("0c5dd2a2-514d-8893-d44d-05beffad208b");  //"pelvis_fix"
const LLUUID ANIM_AGENT_TARGET = LLUUID("0e4896cb-fba4-926c-f355-8720189d5b55");  //"target"
const LLUUID ANIM_AGENT_WALK_ADJUST	= LLUUID("829bc85b-02fc-ec41-be2e-74cc6dd7215d");  //"walk_adjust"
const LLUUID ANIM_AGENT_PHYSICS_MOTION = LLUUID("7360e029-3cb8-ebc4-863e-212df440d987");  //"physics_motion"


//-----------------------------------------------------------------------------
// Constants
//-----------------------------------------------------------------------------
const std::string AVATAR_DEFAULT_CHAR = "avatar";

const S32 MIN_PIXEL_AREA_FOR_COMPOSITE = 1024;
const F32 SHADOW_OFFSET_AMT = 0.03f;

const F32 DELTA_TIME_MIN = 0.01f;	// we clamp measured deltaTime to this
const F32 DELTA_TIME_MAX = 0.2f;	// range to insure stability of computations.

const F32 PELVIS_LAG_FLYING		= 0.22f;// pelvis follow half life while flying
const F32 PELVIS_LAG_WALKING	= 0.4f;	// ...while walking
const F32 PELVIS_LAG_MOUSELOOK = 0.15f;
const F32 MOUSELOOK_PELVIS_FOLLOW_FACTOR = 0.5f;
const F32 PELVIS_LAG_WHEN_FOLLOW_CAM_IS_ON = 0.0001f; // not zero! - something gets divided by this!
const F32 TORSO_NOISE_AMOUNT = 1.0f;	// Amount of deviation from up-axis, in degrees
const F32 TORSO_NOISE_SPEED = 0.2f;	// Time scale factor on torso noise.

const F32 BREATHE_ROT_MOTION_STRENGTH = 0.05f;
const F32 BREATHE_SCALE_MOTION_STRENGTH = 0.005f;

const F32 MIN_SHADOW_HEIGHT = 0.f;
const F32 MAX_SHADOW_HEIGHT = 0.3f;

const S32 MIN_REQUIRED_PIXEL_AREA_BODY_NOISE = 10000;
const S32 MIN_REQUIRED_PIXEL_AREA_BREATHE = 10000;
const S32 MIN_REQUIRED_PIXEL_AREA_PELVIS_FIX = 40;

const S32 TEX_IMAGE_SIZE_SELF = 512;
const S32 TEX_IMAGE_AREA_SELF = TEX_IMAGE_SIZE_SELF * TEX_IMAGE_SIZE_SELF;
const S32 TEX_IMAGE_SIZE_OTHER = 512 / 4;  // The size of local textures for other (!isSelf()) avatars

const F32 HEAD_MOVEMENT_AVG_TIME = 0.9f;

const S32 MORPH_MASK_REQUESTED_DISCARD = 0;

// Discard level at which to switch to baked textures
// Should probably be 4 or 3, but didn't want to change it while change other logic - SJB
const S32 SWITCH_TO_BAKED_DISCARD = 5;

const F32 FOOT_COLLIDE_FUDGE = 0.04f;

const F32 HOVER_EFFECT_MAX_SPEED = 3.f;
const F32 HOVER_EFFECT_STRENGTH = 0.f;
const F32 UNDERWATER_EFFECT_STRENGTH = 0.1f;
const F32 UNDERWATER_FREQUENCY_DAMP = 0.33f;
const F32 APPEARANCE_MORPH_TIME = 0.65f;
const F32 TIME_BEFORE_MESH_CLEANUP = 5.f; // seconds
const S32 AVATAR_RELEASE_THRESHOLD = 10; // number of avatar instances before releasing memory
const F32 FOOT_GROUND_COLLISION_TOLERANCE = 0.25f;
const F32 AVATAR_LOD_TWEAK_RANGE = 0.7f;
const S32 MAX_BUBBLE_CHAT_LENGTH = DB_CHAT_MSG_STR_LEN;
const S32 MAX_BUBBLE_CHAT_UTTERANCES = 12;
const F32 CHAT_FADE_TIME = 8.0;
const F32 BUBBLE_CHAT_TIME = CHAT_FADE_TIME * 3.f;
const F32 NAMETAG_UPDATE_THRESHOLD = 0.3f;
const F32 NAMETAG_VERTICAL_SCREEN_OFFSET = 25.f;
const F32 NAMETAG_VERT_OFFSET_WEIGHT = 0.17f;

const LLColor4 DUMMY_COLOR = LLColor4(0.5,0.5,0.5,1.0);

enum ERenderName
{
	RENDER_NAME_NEVER,
	RENDER_NAME_ALWAYS,	
	RENDER_NAME_FADE
};

//-----------------------------------------------------------------------------
// Callback data
//-----------------------------------------------------------------------------

struct LLTextureMaskData
{
	LLTextureMaskData( const LLUUID& id ) :
		mAvatarID(id), 
		mLastDiscardLevel(S32_MAX) 
	{}
	LLUUID				mAvatarID;
	S32					mLastDiscardLevel;
};

/*********************************************************************************
 **                                                                             **
 ** Begin private LLVOAvatar Support classes
 **
 **/

//------------------------------------------------------------------------
// LLVOAvatarBoneInfo
// Trans/Scale/Rot etc. info about each avatar bone.  Used by LLVOAvatarSkeleton.
//------------------------------------------------------------------------
struct LLVOAvatarCollisionVolumeInfo : public LLInitParam::Block<LLVOAvatarCollisionVolumeInfo>
{
	LLVOAvatarCollisionVolumeInfo() 
	:	name("name"),
		pos("pos"),
		rot("rot"),
		scale("scale")
	{}

	Mandatory<std::string>	name;
	Mandatory<LLVector3>	pos,
							rot,
							scale;
};

struct LLVOAvatarChildJoint : public LLInitParam::ChoiceBlock<LLVOAvatarChildJoint>
	{
	Alternative<Lazy<struct LLVOAvatarBoneInfo, IS_A_BLOCK> >	bone;
	Alternative<LLVOAvatarCollisionVolumeInfo>		collision_volume;
	
	LLVOAvatarChildJoint()
	:	bone("bone"),
		collision_volume("collision_volume")
	{}
};

struct LLVOAvatarBoneInfo : public LLInitParam::Block<LLVOAvatarBoneInfo, LLVOAvatarCollisionVolumeInfo>
{
	LLVOAvatarBoneInfo() 
	:	pivot("pivot")
	{}
	
	Mandatory<LLVector3>					pivot;
	Multiple<LLVOAvatarChildJoint>			children;
};

//------------------------------------------------------------------------
// LLVOAvatarSkeletonInfo
// Overall avatar skeleton
//------------------------------------------------------------------------
struct LLVOAvatarSkeletonInfo : public LLInitParam::Block<LLVOAvatarSkeletonInfo>
{
	LLVOAvatarSkeletonInfo()
	:	skeleton_root(""),
		num_bones("num_bones"),
		num_collision_volumes("num_collision_volumes"),
		version("version")
	{}
	
	Mandatory<std::string>			version;
	Mandatory<S32>					num_bones,
									num_collision_volumes;
	Mandatory<LLVOAvatarChildJoint>	skeleton_root;
};

//-----------------------------------------------------------------------------
// class LLBodyNoiseMotion
//-----------------------------------------------------------------------------
class LLBodyNoiseMotion :
	public LLMotion
{
public:
	// Constructor
	LLBodyNoiseMotion(const LLUUID &id)
		: LLMotion(id)
	{
		mName = "body_noise";
		mTorsoState = new LLJointState;
	}

	// Destructor
	virtual ~LLBodyNoiseMotion() { }

public:
	//-------------------------------------------------------------------------
	// functions to support MotionController and MotionRegistry
	//-------------------------------------------------------------------------
	// static constructor
	// all subclasses must implement such a function and register it
	static LLMotion *create(const LLUUID &id) { return new LLBodyNoiseMotion(id); }

public:
	//-------------------------------------------------------------------------
	// animation callbacks to be implemented by subclasses
	//-------------------------------------------------------------------------

	// motions must specify whether or not they loop
	virtual BOOL getLoop() { return TRUE; }

	// motions must report their total duration
	virtual F32 getDuration() { return 0.0; }

	// motions must report their "ease in" duration
	virtual F32 getEaseInDuration() { return 0.0; }

	// motions must report their "ease out" duration.
	virtual F32 getEaseOutDuration() { return 0.0; }

	// motions must report their priority
	virtual LLJoint::JointPriority getPriority() { return LLJoint::HIGH_PRIORITY; }

	virtual LLMotionBlendType getBlendType() { return ADDITIVE_BLEND; }

	// called to determine when a motion should be activated/deactivated based on avatar pixel coverage
	virtual F32 getMinPixelArea() { return MIN_REQUIRED_PIXEL_AREA_BODY_NOISE; }

	// run-time (post constructor) initialization,
	// called after parameters have been set
	// must return true to indicate success and be available for activation
	virtual LLMotionInitStatus onInitialize(LLCharacter *character)
	{
		if( !mTorsoState->setJoint( character->getJoint("mTorso") ))
		{
			return STATUS_FAILURE;
		}

		mTorsoState->setUsage(LLJointState::ROT);

		addJointState( mTorsoState );
		return STATUS_SUCCESS;
	}

	// called when a motion is activated
	// must return TRUE to indicate success, or else
	// it will be deactivated
	virtual BOOL onActivate() { return TRUE; }

	// called per time step
	// must return TRUE while it is active, and
	// must return FALSE when the motion is completed.
	virtual BOOL onUpdate(F32 time, U8* joint_mask)
	{
		F32 nx[2];
		nx[0]=time*TORSO_NOISE_SPEED;
		nx[1]=0.0f;
		F32 ny[2];
		ny[0]=0.0f;
		ny[1]=time*TORSO_NOISE_SPEED;
		F32 noiseX = noise2(nx);
		F32 noiseY = noise2(ny);

		F32 rx = TORSO_NOISE_AMOUNT * DEG_TO_RAD * noiseX / 0.42f;
		F32 ry = TORSO_NOISE_AMOUNT * DEG_TO_RAD * noiseY / 0.42f;
		LLQuaternion tQn;
		tQn.setQuat( rx, ry, 0.0f );
		mTorsoState->setRotation( tQn );

		return TRUE;
	}

	// called when a motion is deactivated
	virtual void onDeactivate() {}

private:
	//-------------------------------------------------------------------------
	// joint states to be animated
	//-------------------------------------------------------------------------
	LLPointer<LLJointState> mTorsoState;
};

//-----------------------------------------------------------------------------
// class LLBreatheMotionRot
//-----------------------------------------------------------------------------
class LLBreatheMotionRot :
	public LLMotion
{
public:
	// Constructor
	LLBreatheMotionRot(const LLUUID &id) :
		LLMotion(id),
		mBreatheRate(1.f),
		mCharacter(NULL)
	{
		mName = "breathe_rot";
		mChestState = new LLJointState;
	}

	// Destructor
	virtual ~LLBreatheMotionRot() {}

public:
	//-------------------------------------------------------------------------
	// functions to support MotionController and MotionRegistry
	//-------------------------------------------------------------------------
	// static constructor
	// all subclasses must implement such a function and register it
	static LLMotion *create(const LLUUID &id) { return new LLBreatheMotionRot(id); }

public:
	//-------------------------------------------------------------------------
	// animation callbacks to be implemented by subclasses
	//-------------------------------------------------------------------------

	// motions must specify whether or not they loop
	virtual BOOL getLoop() { return TRUE; }

	// motions must report their total duration
	virtual F32 getDuration() { return 0.0; }

	// motions must report their "ease in" duration
	virtual F32 getEaseInDuration() { return 0.0; }

	// motions must report their "ease out" duration.
	virtual F32 getEaseOutDuration() { return 0.0; }

	// motions must report their priority
	virtual LLJoint::JointPriority getPriority() { return LLJoint::MEDIUM_PRIORITY; }

	virtual LLMotionBlendType getBlendType() { return NORMAL_BLEND; }

	// called to determine when a motion should be activated/deactivated based on avatar pixel coverage
	virtual F32 getMinPixelArea() { return MIN_REQUIRED_PIXEL_AREA_BREATHE; }

	// run-time (post constructor) initialization,
	// called after parameters have been set
	// must return true to indicate success and be available for activation
	virtual LLMotionInitStatus onInitialize(LLCharacter *character)
	{		
		mCharacter = character;
		BOOL success = true;

		if ( !mChestState->setJoint( character->getJoint( "mChest" ) ) ) { success = false; }

		if ( success )
		{
			mChestState->setUsage(LLJointState::ROT);
			addJointState( mChestState );
		}

		if ( success )
		{
			return STATUS_SUCCESS;
		}
		else
		{
			return STATUS_FAILURE;
		}
	}

	// called when a motion is activated
	// must return TRUE to indicate success, or else
	// it will be deactivated
	virtual BOOL onActivate() { return TRUE; }

	// called per time step
	// must return TRUE while it is active, and
	// must return FALSE when the motion is completed.
	virtual BOOL onUpdate(F32 time, U8* joint_mask)
	{
		mBreatheRate = 1.f;

		F32 breathe_amt = (sinf(mBreatheRate * time) * BREATHE_ROT_MOTION_STRENGTH);

		mChestState->setRotation(LLQuaternion(breathe_amt, LLVector3(0.f, 1.f, 0.f)));

		return TRUE;
	}

	// called when a motion is deactivated
	virtual void onDeactivate() {}

private:
	//-------------------------------------------------------------------------
	// joint states to be animated
	//-------------------------------------------------------------------------
	LLPointer<LLJointState> mChestState;
	F32					mBreatheRate;
	LLCharacter*		mCharacter;
};

//-----------------------------------------------------------------------------
// class LLPelvisFixMotion
//-----------------------------------------------------------------------------
class LLPelvisFixMotion :
	public LLMotion
{
public:
	// Constructor
	LLPelvisFixMotion(const LLUUID &id)
		: LLMotion(id), mCharacter(NULL)
	{
		mName = "pelvis_fix";

		mPelvisState = new LLJointState;
	}

	// Destructor
	virtual ~LLPelvisFixMotion() { }

public:
	//-------------------------------------------------------------------------
	// functions to support MotionController and MotionRegistry
	//-------------------------------------------------------------------------
	// static constructor
	// all subclasses must implement such a function and register it
	static LLMotion *create(const LLUUID& id) { return new LLPelvisFixMotion(id); }

public:
	//-------------------------------------------------------------------------
	// animation callbacks to be implemented by subclasses
	//-------------------------------------------------------------------------

	// motions must specify whether or not they loop
	virtual BOOL getLoop() { return TRUE; }

	// motions must report their total duration
	virtual F32 getDuration() { return 0.0; }

	// motions must report their "ease in" duration
	virtual F32 getEaseInDuration() { return 0.5f; }

	// motions must report their "ease out" duration.
	virtual F32 getEaseOutDuration() { return 0.5f; }

	// motions must report their priority
	virtual LLJoint::JointPriority getPriority() { return LLJoint::LOW_PRIORITY; }

	virtual LLMotionBlendType getBlendType() { return NORMAL_BLEND; }

	// called to determine when a motion should be activated/deactivated based on avatar pixel coverage
	virtual F32 getMinPixelArea() { return MIN_REQUIRED_PIXEL_AREA_PELVIS_FIX; }

	// run-time (post constructor) initialization,
	// called after parameters have been set
	// must return true to indicate success and be available for activation
	virtual LLMotionInitStatus onInitialize(LLCharacter *character)
	{
		mCharacter = character;

		if (!mPelvisState->setJoint( character->getJoint("mPelvis")))
		{
			return STATUS_FAILURE;
		}

		mPelvisState->setUsage(LLJointState::POS);

		addJointState( mPelvisState );
		return STATUS_SUCCESS;
	}

	// called when a motion is activated
	// must return TRUE to indicate success, or else
	// it will be deactivated
	virtual BOOL onActivate() { return TRUE; }

	// called per time step
	// must return TRUE while it is active, and
	// must return FALSE when the motion is completed.
	virtual BOOL onUpdate(F32 time, U8* joint_mask)
	{
		mPelvisState->setPosition(LLVector3::zero);

		return TRUE;
	}

	// called when a motion is deactivated
	virtual void onDeactivate() {}

private:
	//-------------------------------------------------------------------------
	// joint states to be animated
	//-------------------------------------------------------------------------
	LLPointer<LLJointState> mPelvisState;
	LLCharacter*		mCharacter;
};

/**
 **
 ** End LLVOAvatar Support classes
 **                                                                             **
 *********************************************************************************/


//-----------------------------------------------------------------------------
// Static Data
//-----------------------------------------------------------------------------
LLXmlTree LLVOAvatar::sXMLTree;
LLXMLNodePtr LLVOAvatar::sSkeletonXMLTree;
LLVOAvatarSkeletonInfo* LLVOAvatar::sAvatarSkeletonInfo = NULL;
LLVOAvatar::LLVOAvatarXmlInfo* LLVOAvatar::sAvatarXmlInfo = NULL;
LLVOAvatarDictionary *LLVOAvatar::sAvatarDictionary = NULL;
S32 LLVOAvatar::sFreezeCounter = 0;
U32 LLVOAvatar::sMaxVisible = 12;
F32 LLVOAvatar::sRenderDistance = 256.f;
S32	LLVOAvatar::sNumVisibleAvatars = 0;
S32	LLVOAvatar::sNumLODChangesThisFrame = 0;

const LLUUID LLVOAvatar::sStepSoundOnLand("e8af4a28-aa83-4310-a7c4-c047e15ea0df");
const LLUUID LLVOAvatar::sStepSounds[LL_MCODE_END] =
{
	SND_STONE_RUBBER,
	SND_METAL_RUBBER,
	SND_GLASS_RUBBER,
	SND_WOOD_RUBBER,
	SND_FLESH_RUBBER,
	SND_RUBBER_PLASTIC,
	SND_RUBBER_RUBBER
};

S32 LLVOAvatar::sRenderName = RENDER_NAME_ALWAYS;
BOOL LLVOAvatar::sRenderGroupTitles = TRUE;
S32 LLVOAvatar::sNumVisibleChatBubbles = 0;
BOOL LLVOAvatar::sDebugInvisible = FALSE;
BOOL LLVOAvatar::sShowAttachmentPoints = FALSE;
BOOL LLVOAvatar::sShowAnimationDebug = FALSE;
BOOL LLVOAvatar::sShowFootPlane = FALSE;
BOOL LLVOAvatar::sVisibleInFirstPerson = FALSE;
F32 LLVOAvatar::sLODFactor = 1.f;
F32 LLVOAvatar::sPhysicsLODFactor = 1.f;
BOOL LLVOAvatar::sUseImpostors = FALSE;
BOOL LLVOAvatar::sJointDebug = FALSE;
F32 LLVOAvatar::sUnbakedTime = 0.f;
F32 LLVOAvatar::sUnbakedUpdateTime = 0.f;
F32 LLVOAvatar::sGreyTime = 0.f;
F32 LLVOAvatar::sGreyUpdateTime = 0.f;

//-----------------------------------------------------------------------------
// Helper functions
//-----------------------------------------------------------------------------
static F32 calc_bouncy_animation(F32 x);

//-----------------------------------------------------------------------------
// LLVOAvatar()
//-----------------------------------------------------------------------------
LLVOAvatar::LLVOAvatar(const LLUUID& id,
					   const LLPCode pcode,
					   LLViewerRegion* regionp) :
	LLViewerObject(id, pcode, regionp),
	mIsDummy(FALSE),
	mSpecialRenderMode(0),
	mAttachmentGeometryBytes(0),
	mAttachmentSurfaceArea(0.f),
	mTurning(FALSE),
	mPelvisToFoot(0.f),
	mLastSkeletonSerialNum( 0 ),
	mHeadOffset(),
	mIsSitting(FALSE),
	mTimeVisible(),
	mTyping(FALSE),
	mMeshValid(FALSE),
	mVisible(FALSE),
	mWindFreq(0.f),
	mRipplePhase( 0.f ),
	mBelowWater(FALSE),
	mLastAppearanceBlendTime(0.f),
	mAppearanceAnimating(FALSE),
	mNameString(),
	mTitle(),
	mNameAway(false),
	mNameDoNotDisturb(false),
	mNameMute(false),
	mNameAppearance(false),
	mNameFriend(false),
	mNameAlpha(0.f),
	mRenderGroupTitles(sRenderGroupTitles),
	mNameCloud(false),
	mFirstTEMessageReceived( FALSE ),
	mFirstAppearanceMessageReceived( FALSE ),
	mCulled( FALSE ),
	mVisibilityRank(0),
	mTexSkinColor( NULL ),
	mTexHairColor( NULL ),
	mTexEyeColor( NULL ),
	mNeedsSkin(FALSE),
	mLastSkinTime(0.f),
	mUpdatePeriod(1),
	mFirstFullyVisible(TRUE),
	mFullyLoaded(FALSE),
	mPreviousFullyLoaded(FALSE),
	mFullyLoadedInitialized(FALSE),
	mSupportsAlphaLayers(FALSE),
	mLoadedCallbacksPaused(FALSE),
	mHasPelvisOffset( FALSE ),
	mRenderUnloadedAvatar(LLCachedControl<bool>(gSavedSettings, "RenderUnloadedAvatar")),
	mLastRezzedStatus(-1)

{
	LLMemType mt(LLMemType::MTYPE_AVATAR);
	//VTResume();  // VTune
	
#ifdef XXX_STINSON_CHUI_REWORK
	// mVoiceVisualizer is created by the hud effects manager and uses the HUD Effects pipeline
	const BOOL needsSendToSim = false; // currently, this HUD effect doesn't need to pack and unpack data to do its job
	mVoiceVisualizer = ( LLVoiceVisualizer *)LLHUDManager::getInstance()->createViewerEffect( LLHUDObject::LL_HUD_EFFECT_VOICE_VISUALIZER, needsSendToSim );
#else // XXX_STINSON_CHUI_REWORK
	mVoiceVisualizer = new LLVoiceVisualizer();
#endif // XXX_STINSON_CHUI_REWORK

	lldebugs << "LLVOAvatar Constructor (0x" << this << ") id:" << mID << llendl;

	mPelvisp = NULL;

	mBakedTextureDatas.resize(BAKED_NUM_INDICES);
	for (U32 i = 0; i < mBakedTextureDatas.size(); i++ )
	{
		mBakedTextureDatas[i].mLastTextureIndex = IMG_DEFAULT_AVATAR;
		mBakedTextureDatas[i].mTexLayerSet = NULL;
		mBakedTextureDatas[i].mIsLoaded = false;
		mBakedTextureDatas[i].mIsUsed = false;
		mBakedTextureDatas[i].mMaskTexName = 0;
		mBakedTextureDatas[i].mTextureIndex = LLVOAvatarDictionary::bakedToLocalTextureIndex((EBakedTextureIndex)i);
	}

	mDirtyMesh = 2;	// Dirty geometry, need to regenerate.
	mMeshTexturesDirty = FALSE;
	mHeadp = NULL;

	mIsBuilt = FALSE;

	mNumJoints = 0;
	mSkeleton = NULL;

	mNumCollisionVolumes = 0;
	mCollisionVolumes = NULL;

	// set up animation variables
	mSpeed = 0.f;
	setAnimationData("Speed", &mSpeed);

	mNeedsImpostorUpdate = TRUE;
	mNeedsAnimUpdate = TRUE;

	mImpostorDistance = 0;
	mImpostorPixelArea = 0;

	setNumTEs(TEX_NUM_INDICES);

	mbCanSelect = TRUE;

	mSignaledAnimations.clear();
	mPlayingAnimations.clear();

	mWasOnGroundLeft = FALSE;
	mWasOnGroundRight = FALSE;

	mTimeLast = 0.0f;
	mSpeedAccum = 0.0f;

	mRippleTimeLast = 0.f;

	mInAir = FALSE;

	mStepOnLand = TRUE;
	mStepMaterial = 0;

	mLipSyncActive = false;
	mOohMorph      = NULL;
	mAahMorph      = NULL;

	mCurrentGesticulationLevel = 0;

	mRuthTimer.reset();
	mRuthDebugTimer.reset();
	mDebugExistenceTimer.reset();
	mPelvisOffset = LLVector3(0.0f,0.0f,0.0f);
	mLastPelvisToFoot = 0.0f;
	mPelvisFixup = 0.0f;
	mLastPelvisFixup = 0.0f;
}

std::string LLVOAvatar::avString() const
{
	std::string viz_string = LLVOAvatar::rezStatusToString(getRezzedStatus());
	return " Avatar '" + getFullname() + "' " + viz_string + " ";
}

void LLVOAvatar::debugAvatarRezTime(std::string notification_name, std::string comment)
{
	LL_INFOS("Avatar") << "REZTIME: [ " << (U32)mDebugExistenceTimer.getElapsedTimeF32()
					   << "sec ]"
					   << avString() 
					   << "RuthTimer " << (U32)mRuthDebugTimer.getElapsedTimeF32()
					   << " Notification " << notification_name
					   << " : " << comment
					   << llendl;

	if (gSavedSettings.getBOOL("DebugAvatarRezTime"))
	{
		LLSD args;
		args["EXISTENCE"] = llformat("%d",(U32)mDebugExistenceTimer.getElapsedTimeF32());
		args["TIME"] = llformat("%d",(U32)mRuthDebugTimer.getElapsedTimeF32());
		args["NAME"] = getFullname();
		LLNotificationsUtil::add(notification_name,args);
	}
}

//------------------------------------------------------------------------
// LLVOAvatar::~LLVOAvatar()
//------------------------------------------------------------------------
LLVOAvatar::~LLVOAvatar()
{
		if (!mFullyLoaded)
		{
		debugAvatarRezTime("AvatarRezLeftCloudNotification","left after ruth seconds as cloud");
		}
		else
		{
		debugAvatarRezTime("AvatarRezLeftNotification","left sometime after declouding");
		}

	lldebugs << "LLVOAvatar Destructor (0x" << this << ") id:" << mID << llendl;

	mRoot.removeAllChildren();
	mJointMap.clear();

	deleteAndClearArray(mSkeleton);
	deleteAndClearArray(mCollisionVolumes);

	mNumJoints = 0;

	for (U32 i = 0; i < mBakedTextureDatas.size(); i++)
	{
		deleteAndClear(mBakedTextureDatas[i].mTexLayerSet);
		mBakedTextureDatas[i].mMeshes.clear();

		for (morph_list_t::iterator iter2 = mBakedTextureDatas[i].mMaskedMorphs.begin();
			 iter2 != mBakedTextureDatas[i].mMaskedMorphs.end(); iter2++)
		{
			LLMaskedMorph* masked_morph = (*iter2);
			delete masked_morph;
		}
	}

	std::for_each(mAttachmentPoints.begin(), mAttachmentPoints.end(), DeletePairedPointer());
	mAttachmentPoints.clear();

	deleteAndClear(mTexSkinColor);
	deleteAndClear(mTexHairColor);
	deleteAndClear(mTexEyeColor);

	std::for_each(mMeshes.begin(), mMeshes.end(), DeletePairedPointer());
	mMeshes.clear();

	for (std::vector<LLViewerJoint*>::iterator jointIter = mMeshLOD.begin();
		 jointIter != mMeshLOD.end(); 
		 ++jointIter)
	{
		LLViewerJoint* joint = (LLViewerJoint *) *jointIter;
		std::for_each(joint->mMeshParts.begin(), joint->mMeshParts.end(), DeletePointer());
		joint->mMeshParts.clear();
	}
	std::for_each(mMeshLOD.begin(), mMeshLOD.end(), DeletePointer());
	mMeshLOD.clear();
	
	mDead = TRUE;
	
	mAnimationSources.clear();
	LLLoadedCallbackEntry::cleanUpCallbackList(&mCallbackTextureList) ;

	getPhases().clearPhases();
	
	lldebugs << "LLVOAvatar Destructor end" << llendl;
}

void LLVOAvatar::markDead()
{
	if (mNameText)
	{
		mNameText->markDead();
		mNameText = NULL;
		sNumVisibleChatBubbles--;
	}
#ifdef XXX_STINSON_CHUI_REWORK
	mVoiceVisualizer->markDead();
#else // XXX_STINSON_CHUI_REWORK
	mVoiceVisualizer->setStopSpeaking();
#endif // XXX_STINSON_CHUI_REWORK
	LLLoadedCallbackEntry::cleanUpCallbackList(&mCallbackTextureList) ;
	LLViewerObject::markDead();
}


BOOL LLVOAvatar::isFullyBaked()
{
	if (mIsDummy) return TRUE;
	if (getNumTEs() == 0) return FALSE;

	for (U32 i = 0; i < mBakedTextureDatas.size(); i++)
	{
		if (!isTextureDefined(mBakedTextureDatas[i].mTextureIndex)
			&& ( (i != BAKED_SKIRT) || isWearingWearableType(LLWearableType::WT_SKIRT) ) )
		{
			return FALSE;
		}
	}
	return TRUE;
}

BOOL LLVOAvatar::isFullyTextured() const
{
	for (S32 i = 0; i < mMeshLOD.size(); i++)
	{
		LLViewerJoint* joint = (LLViewerJoint*) mMeshLOD[i];
		if (i==MESH_ID_SKIRT && !isWearingWearableType(LLWearableType::WT_SKIRT))
		{
			continue; // don't care about skirt textures if we're not wearing one.
		}
		if (!joint)
		{
			continue; // nonexistent LOD OK.
		}
		std::vector<LLViewerJointMesh*>::iterator meshIter = joint->mMeshParts.begin();
		if (meshIter != joint->mMeshParts.end())
		{
			LLViewerJointMesh *mesh = (LLViewerJointMesh *) *meshIter;
			if (!mesh)
			{
				continue; // nonexistent mesh OK
			}
			if (mesh->mTexture.notNull() && mesh->mTexture->hasGLTexture())
			{
				continue; // Mesh exists and has a baked texture.
			}
			if (mesh->mLayerSet && mesh->mLayerSet->hasComposite())
			{
				continue; // Mesh exists and has a composite texture.
			}
			// Fail
			return FALSE;
		}
	}
	return TRUE;
}

BOOL LLVOAvatar::hasGray() const
{
	return !getIsCloud() && !isFullyTextured();
}

S32 LLVOAvatar::getRezzedStatus() const
{
	if (getIsCloud()) return 0;
	if (isFullyTextured()) return 2;
	llassert(hasGray());
	return 1; // gray
}

void LLVOAvatar::deleteLayerSetCaches(bool clearAll)
{
	for (U32 i = 0; i < mBakedTextureDatas.size(); i++)
	{
		if (mBakedTextureDatas[i].mTexLayerSet)
		{
			// ! BACKWARDS COMPATIBILITY !
			// Can be removed after hair baking is mandatory on the grid
			if ((i != BAKED_HAIR || isSelf()) && !clearAll)
			{
				mBakedTextureDatas[i].mTexLayerSet->deleteCaches();
			}
		}
		if (mBakedTextureDatas[i].mMaskTexName)
		{
			LLImageGL::deleteTextures(LLTexUnit::TT_TEXTURE, 0, -1, 1, (GLuint*)&(mBakedTextureDatas[i].mMaskTexName));
			mBakedTextureDatas[i].mMaskTexName = 0 ;
		}
	}
}

// static 
BOOL LLVOAvatar::areAllNearbyInstancesBaked(S32& grey_avatars)
{
	BOOL res = TRUE;
	grey_avatars = 0;
	for (std::vector<LLCharacter*>::iterator iter = LLCharacter::sInstances.begin();
		 iter != LLCharacter::sInstances.end(); ++iter)
	{
		LLVOAvatar* inst = (LLVOAvatar*) *iter;
		if( inst->isDead() )
		{
			continue;
		}
		else if( !inst->isFullyBaked() )
		{
			res = FALSE;
			if (inst->mHasGrey)
			{
				++grey_avatars;
			}
		}
	}
	return res;
}

// static
void LLVOAvatar::getNearbyRezzedStats(std::vector<S32>& counts)
{
	counts.clear();
	counts.resize(3);
	for (std::vector<LLCharacter*>::iterator iter = LLCharacter::sInstances.begin();
		 iter != LLCharacter::sInstances.end(); ++iter)
	{
		LLVOAvatar* inst = (LLVOAvatar*) *iter;
		if (!inst)
			continue;
		S32 rez_status = inst->getRezzedStatus();
		counts[rez_status]++;
	}
}

// static
std::string LLVOAvatar::rezStatusToString(S32 rez_status)
{
	if (rez_status==0) return "cloud";
	if (rez_status==1) return "gray";
	if (rez_status==2) return "textured";
	return "unknown";
}

// static
void LLVOAvatar::dumpBakedStatus()
{
	LLVector3d camera_pos_global = gAgentCamera.getCameraPositionGlobal();

	for (std::vector<LLCharacter*>::iterator iter = LLCharacter::sInstances.begin();
		 iter != LLCharacter::sInstances.end(); ++iter)
	{
		LLVOAvatar* inst = (LLVOAvatar*) *iter;
		llinfos << "Avatar ";

		LLNameValue* firstname = inst->getNVPair("FirstName");
		LLNameValue* lastname = inst->getNVPair("LastName");

		if( firstname )
		{
			llcont << firstname->getString();
		}
		if( lastname )
		{
			llcont << " " << lastname->getString();
		}

		llcont << " " << inst->mID;

		if( inst->isDead() )
		{
			llcont << " DEAD ("<< inst->getNumRefs() << " refs)";
		}

		if( inst->isSelf() )
		{
			llcont << " (self)";
		}


		F64 dist_to_camera = (inst->getPositionGlobal() - camera_pos_global).length();
		llcont << " " << dist_to_camera << "m ";

		llcont << " " << inst->mPixelArea << " pixels";

		if( inst->isVisible() )
		{
			llcont << " (visible)";
		}
		else
		{
			llcont << " (not visible)";
		}

		if( inst->isFullyBaked() )
		{
			llcont << " Baked";
		}
		else
		{
			llcont << " Unbaked (";
			
			for (LLVOAvatarDictionary::BakedTextures::const_iterator iter = LLVOAvatarDictionary::getInstance()->getBakedTextures().begin();
				 iter != LLVOAvatarDictionary::getInstance()->getBakedTextures().end();
				 ++iter)
			{
				const LLVOAvatarDictionary::BakedEntry *baked_dict = iter->second;
				const ETextureIndex index = baked_dict->mTextureIndex;
				if (!inst->isTextureDefined(index))
				{
					llcont << " " << LLVOAvatarDictionary::getInstance()->getTexture(index)->mName;
				}
			}
			llcont << " ) " << inst->getUnbakedPixelAreaRank();
			if( inst->isCulled() )
			{
				llcont << " culled";
			}
		}
		llcont << llendl;
	}
}

//static
void LLVOAvatar::restoreGL()
{
	if (!isAgentAvatarValid()) return;

	gAgentAvatarp->setCompositeUpdatesEnabled(TRUE);
	for (U32 i = 0; i < gAgentAvatarp->mBakedTextureDatas.size(); i++)
	{
		gAgentAvatarp->invalidateComposite(gAgentAvatarp->mBakedTextureDatas[i].mTexLayerSet, FALSE);
	}
	gAgentAvatarp->updateMeshTextures();
}

//static
void LLVOAvatar::destroyGL()
{
	deleteCachedImages();

	resetImpostors();
}

//static
void LLVOAvatar::resetImpostors()
{
	for (std::vector<LLCharacter*>::iterator iter = LLCharacter::sInstances.begin();
		 iter != LLCharacter::sInstances.end(); ++iter)
	{
		LLVOAvatar* avatar = (LLVOAvatar*) *iter;
		avatar->mImpostor.release();
	}
}

// static
void LLVOAvatar::deleteCachedImages(bool clearAll)
{	
	if (LLTexLayerSet::sHasCaches)
	{
		lldebugs << "Deleting layer set caches" << llendl;
		for (std::vector<LLCharacter*>::iterator iter = LLCharacter::sInstances.begin();
			 iter != LLCharacter::sInstances.end(); ++iter)
		{
			LLVOAvatar* inst = (LLVOAvatar*) *iter;
			inst->deleteLayerSetCaches(clearAll);
		}
		LLTexLayerSet::sHasCaches = FALSE;
	}
	LLVOAvatarSelf::deleteScratchTextures();
	LLTexLayerStaticImageList::getInstance()->deleteCachedImages();
}


//------------------------------------------------------------------------
// static
// LLVOAvatar::initClass()
//------------------------------------------------------------------------
void LLVOAvatar::initClass()
{ 
	std::string xmlFile;

	xmlFile = gDirUtilp->getExpandedFilename(LL_PATH_CHARACTER,AVATAR_DEFAULT_CHAR) + "_lad.xml";
	BOOL success = sXMLTree.parseFile( xmlFile, FALSE );
	if (!success)
	{
		llerrs << "Problem reading avatar configuration file:" << xmlFile << llendl;
	}

	// now sanity check xml file
	LLXmlTreeNode* root = sXMLTree.getRoot();
	if (!root) 
	{
		llerrs << "No root node found in avatar configuration file: " << xmlFile << llendl;
		return;
	}

	//-------------------------------------------------------------------------
	// <linden_avatar version="1.0"> (root)
	//-------------------------------------------------------------------------
	if( !root->hasName( "linden_avatar" ) )
	{
		llerrs << "Invalid avatar file header: " << xmlFile << llendl;
	}
	
	std::string version;
	static LLStdStringHandle version_string = LLXmlTree::addAttributeString("version");
	if( !root->getFastAttributeString( version_string, version ) || (version != "1.0") )
	{
		llerrs << "Invalid avatar file version: " << version << " in file: " << xmlFile << llendl;
	}

	S32 wearable_def_version = 1;
	static LLStdStringHandle wearable_definition_version_string = LLXmlTree::addAttributeString("wearable_definition_version");
	root->getFastAttributeS32( wearable_definition_version_string, wearable_def_version );
	LLWearable::setCurrentDefinitionVersion( wearable_def_version );

	std::string mesh_file_name;

	LLXmlTreeNode* skeleton_node = root->getChildByName( "skeleton" );
	if (!skeleton_node)
	{
		llerrs << "No skeleton in avatar configuration file: " << xmlFile << llendl;
		return;
	}
	
	std::string skeleton_file_name;
	static LLStdStringHandle file_name_string = LLXmlTree::addAttributeString("file_name");
	if (!skeleton_node->getFastAttributeString(file_name_string, skeleton_file_name))
	{
		llerrs << "No file name in skeleton node in avatar config file: " << xmlFile << llendl;
	}
	
	std::string skeleton_path;
	skeleton_path = gDirUtilp->getExpandedFilename(LL_PATH_CHARACTER,skeleton_file_name);
	if (!parseSkeletonFile(skeleton_path))
	{
		llerrs << "Error parsing skeleton file: " << skeleton_path << llendl;
	}

	// parse avatar_lad.xml
	if (sAvatarXmlInfo)
	{ //this can happen if a login attempt failed
		deleteAndClear(sAvatarXmlInfo);
	}
	sAvatarXmlInfo = new LLVOAvatarXmlInfo;
	if (!sAvatarXmlInfo->parseXmlSkeletonNode(root))
	{
		llerrs << "Error parsing skeleton node in avatar XML file: " << skeleton_path << llendl;
	}
	if (!sAvatarXmlInfo->parseXmlMeshNodes(root))
	{
		llerrs << "Error parsing skeleton node in avatar XML file: " << skeleton_path << llendl;
	}
	if (!sAvatarXmlInfo->parseXmlColorNodes(root))
	{
		llerrs << "Error parsing skeleton node in avatar XML file: " << skeleton_path << llendl;
	}
	if (!sAvatarXmlInfo->parseXmlLayerNodes(root))
	{
		llerrs << "Error parsing skeleton node in avatar XML file: " << skeleton_path << llendl;
	}
	if (!sAvatarXmlInfo->parseXmlDriverNodes(root))
	{
		llerrs << "Error parsing skeleton node in avatar XML file: " << skeleton_path << llendl;
	}
	if (!sAvatarXmlInfo->parseXmlMorphNodes(root))
	{
		llerrs << "Error parsing skeleton node in avatar XML file: " << skeleton_path << llendl;
	}

	gAnimLibrary.animStateSetString(ANIM_AGENT_BODY_NOISE,"body_noise");
	gAnimLibrary.animStateSetString(ANIM_AGENT_BREATHE_ROT,"breathe_rot");
	gAnimLibrary.animStateSetString(ANIM_AGENT_PHYSICS_MOTION,"physics_motion");
	gAnimLibrary.animStateSetString(ANIM_AGENT_EDITING,"editing");
	gAnimLibrary.animStateSetString(ANIM_AGENT_EYE,"eye");
	gAnimLibrary.animStateSetString(ANIM_AGENT_FLY_ADJUST,"fly_adjust");
	gAnimLibrary.animStateSetString(ANIM_AGENT_HAND_MOTION,"hand_motion");
	gAnimLibrary.animStateSetString(ANIM_AGENT_HEAD_ROT,"head_rot");
	gAnimLibrary.animStateSetString(ANIM_AGENT_PELVIS_FIX,"pelvis_fix");
	gAnimLibrary.animStateSetString(ANIM_AGENT_TARGET,"target");
	gAnimLibrary.animStateSetString(ANIM_AGENT_WALK_ADJUST,"walk_adjust");
}


void LLVOAvatar::cleanupClass()
{
	deleteAndClear(sAvatarXmlInfo);
	sSkeletonXMLTree = NULL;
	sXMLTree.cleanup();
}

void LLVOAvatar::initInstance(void)
{
	//-------------------------------------------------------------------------
	// initialize joint, mesh and shape members
	//-------------------------------------------------------------------------
	mRoot.setName( "mRoot" );
	
	for (LLVOAvatarDictionary::Meshes::const_iterator iter = LLVOAvatarDictionary::getInstance()->getMeshes().begin();
		 iter != LLVOAvatarDictionary::getInstance()->getMeshes().end();
		 ++iter)
	{
		const EMeshIndex mesh_index = iter->first;
		const LLVOAvatarDictionary::MeshEntry *mesh_dict = iter->second;
		LLViewerJoint* joint = new LLViewerJoint();
		joint->setName(mesh_dict->mName);
		joint->setMeshID(mesh_index);
		mMeshLOD.push_back(joint);
		
		/* mHairLOD.setName("mHairLOD");
		   mHairMesh0.setName("mHairMesh0");
		   mHairMesh0.setMeshID(MESH_ID_HAIR);
		   mHairMesh1.setName("mHairMesh1"); */
		for (U32 lod = 0; lod < mesh_dict->mLOD; lod++)
		{
			LLViewerJointMesh* mesh = new LLViewerJointMesh();
			std::string mesh_name = "m" + mesh_dict->mName + boost::lexical_cast<std::string>(lod);
			// We pre-pended an m - need to capitalize first character for camelCase
			mesh_name[1] = toupper(mesh_name[1]);
			mesh->setName(mesh_name);
			mesh->setMeshID(mesh_index);
			mesh->setPickName(mesh_dict->mPickName);
			mesh->setIsTransparent(FALSE);
			switch((int)mesh_index)
			{
				case MESH_ID_HAIR:
					mesh->setIsTransparent(TRUE);
					break;
				case MESH_ID_SKIRT:
					mesh->setIsTransparent(TRUE);
					break;
				case MESH_ID_EYEBALL_LEFT:
				case MESH_ID_EYEBALL_RIGHT:
					mesh->setSpecular( LLColor4( 1.0f, 1.0f, 1.0f, 1.0f ), 1.f );
					break;
			}
			
			joint->mMeshParts.push_back(mesh);
		}
	}
	
	//-------------------------------------------------------------------------
	// associate baked textures with meshes
	//-------------------------------------------------------------------------
	for (LLVOAvatarDictionary::Meshes::const_iterator iter = LLVOAvatarDictionary::getInstance()->getMeshes().begin();
		 iter != LLVOAvatarDictionary::getInstance()->getMeshes().end();
		 ++iter)
	{
		const EMeshIndex mesh_index = iter->first;
		const LLVOAvatarDictionary::MeshEntry *mesh_dict = iter->second;
		const EBakedTextureIndex baked_texture_index = mesh_dict->mBakedID;
		// Skip it if there's no associated baked texture.
		if (baked_texture_index == BAKED_NUM_INDICES) continue;
		
		for (std::vector<LLViewerJointMesh* >::iterator iter = mMeshLOD[mesh_index]->mMeshParts.begin();
			 iter != mMeshLOD[mesh_index]->mMeshParts.end(); 
			 ++iter)
		{
			LLViewerJointMesh* mesh = (LLViewerJointMesh*) *iter;
			mBakedTextureDatas[(int)baked_texture_index].mMeshes.push_back(mesh);
		}
	}
	
	
	//-------------------------------------------------------------------------
	// register motions
	//-------------------------------------------------------------------------
	if (LLCharacter::sInstances.size() == 1)
	{
		LLKeyframeMotion::setVFS(gStaticVFS);
		registerMotion( ANIM_AGENT_DO_NOT_DISTURB,					LLNullMotion::create );
		registerMotion( ANIM_AGENT_CROUCH,					LLKeyframeStandMotion::create );
		registerMotion( ANIM_AGENT_CROUCHWALK,				LLKeyframeWalkMotion::create );
		registerMotion( ANIM_AGENT_EXPRESS_AFRAID,			LLEmote::create );
		registerMotion( ANIM_AGENT_EXPRESS_ANGER,			LLEmote::create );
		registerMotion( ANIM_AGENT_EXPRESS_BORED,			LLEmote::create );
		registerMotion( ANIM_AGENT_EXPRESS_CRY,				LLEmote::create );
		registerMotion( ANIM_AGENT_EXPRESS_DISDAIN,			LLEmote::create );
		registerMotion( ANIM_AGENT_EXPRESS_EMBARRASSED,		LLEmote::create );
		registerMotion( ANIM_AGENT_EXPRESS_FROWN,			LLEmote::create );
		registerMotion( ANIM_AGENT_EXPRESS_KISS,			LLEmote::create );
		registerMotion( ANIM_AGENT_EXPRESS_LAUGH,			LLEmote::create );
		registerMotion( ANIM_AGENT_EXPRESS_OPEN_MOUTH,		LLEmote::create );
		registerMotion( ANIM_AGENT_EXPRESS_REPULSED,		LLEmote::create );
		registerMotion( ANIM_AGENT_EXPRESS_SAD,				LLEmote::create );
		registerMotion( ANIM_AGENT_EXPRESS_SHRUG,			LLEmote::create );
		registerMotion( ANIM_AGENT_EXPRESS_SMILE,			LLEmote::create );
		registerMotion( ANIM_AGENT_EXPRESS_SURPRISE,		LLEmote::create );
		registerMotion( ANIM_AGENT_EXPRESS_TONGUE_OUT,		LLEmote::create );
		registerMotion( ANIM_AGENT_EXPRESS_TOOTHSMILE,		LLEmote::create );
		registerMotion( ANIM_AGENT_EXPRESS_WINK,			LLEmote::create );
		registerMotion( ANIM_AGENT_EXPRESS_WORRY,			LLEmote::create );
		registerMotion( ANIM_AGENT_FEMALE_RUN_NEW,			LLKeyframeWalkMotion::create );
		registerMotion( ANIM_AGENT_FEMALE_WALK,				LLKeyframeWalkMotion::create );
		registerMotion( ANIM_AGENT_FEMALE_WALK_NEW,			LLKeyframeWalkMotion::create );
		registerMotion( ANIM_AGENT_RUN,						LLKeyframeWalkMotion::create );
		registerMotion( ANIM_AGENT_RUN_NEW,					LLKeyframeWalkMotion::create );
		registerMotion( ANIM_AGENT_STAND,					LLKeyframeStandMotion::create );
		registerMotion( ANIM_AGENT_STAND_1,					LLKeyframeStandMotion::create );
		registerMotion( ANIM_AGENT_STAND_2,					LLKeyframeStandMotion::create );
		registerMotion( ANIM_AGENT_STAND_3,					LLKeyframeStandMotion::create );
		registerMotion( ANIM_AGENT_STAND_4,					LLKeyframeStandMotion::create );
		registerMotion( ANIM_AGENT_STANDUP,					LLKeyframeFallMotion::create );
		registerMotion( ANIM_AGENT_TURNLEFT,				LLKeyframeWalkMotion::create );
		registerMotion( ANIM_AGENT_TURNRIGHT,				LLKeyframeWalkMotion::create );
		registerMotion( ANIM_AGENT_WALK,					LLKeyframeWalkMotion::create );
		registerMotion( ANIM_AGENT_WALK_NEW,				LLKeyframeWalkMotion::create );
		
		// motions without a start/stop bit
		registerMotion( ANIM_AGENT_BODY_NOISE,				LLBodyNoiseMotion::create );
		registerMotion( ANIM_AGENT_BREATHE_ROT,				LLBreatheMotionRot::create );
		registerMotion( ANIM_AGENT_PHYSICS_MOTION,			LLPhysicsMotionController::create );
		registerMotion( ANIM_AGENT_EDITING,					LLEditingMotion::create	);
		registerMotion( ANIM_AGENT_EYE,						LLEyeMotion::create	);
		registerMotion( ANIM_AGENT_FEMALE_WALK,				LLKeyframeWalkMotion::create );
		registerMotion( ANIM_AGENT_FLY_ADJUST,				LLFlyAdjustMotion::create );
		registerMotion( ANIM_AGENT_HAND_MOTION,				LLHandMotion::create );
		registerMotion( ANIM_AGENT_HEAD_ROT,				LLHeadRotMotion::create );
		registerMotion( ANIM_AGENT_PELVIS_FIX,				LLPelvisFixMotion::create );
		registerMotion( ANIM_AGENT_SIT_FEMALE,				LLKeyframeMotion::create );
		registerMotion( ANIM_AGENT_TARGET,					LLTargetingMotion::create );
		registerMotion( ANIM_AGENT_WALK_ADJUST,				LLWalkAdjustMotion::create );
		
	}
	
	buildCharacter();
	
	// preload specific motions here
	createMotion( ANIM_AGENT_CUSTOMIZE);
	createMotion( ANIM_AGENT_CUSTOMIZE_DONE);
	
	//VTPause();  // VTune
	
#ifdef XXX_STINSON_CHUI_REWORK
	mVoiceVisualizer->setVoiceEnabled( LLVoiceClient::getInstance()->getVoiceEnabled( mID ) );
#endif // XXX_STINSON_CHUI_REWORK

}

const LLVector3 LLVOAvatar::getRenderPosition() const
{
	if (mDrawable.isNull() || mDrawable->getGeneration() < 0)
	{
		return getPositionAgent();
	}
	else if (isRoot())
	{
		if ( !mHasPelvisOffset )
		{
			return mDrawable->getPositionAgent();
		}
		else
		{
			//Apply a pelvis fixup (as defined by the avs skin)
			LLVector3 pos = mDrawable->getPositionAgent();
			pos[VZ] += mPelvisFixup;
			return pos;
		}
	}
	else
	{
		return getPosition() * mDrawable->getParent()->getRenderMatrix();
	}
}

void LLVOAvatar::updateDrawable(BOOL force_damped)
{
	clearChanged(SHIFTED);
}

void LLVOAvatar::onShift(const LLVector4a& shift_vector)
{
	const LLVector3& shift = reinterpret_cast<const LLVector3&>(shift_vector);
	mLastAnimExtents[0] += shift;
	mLastAnimExtents[1] += shift;
}

void LLVOAvatar::updateSpatialExtents(LLVector4a& newMin, LLVector4a &newMax)
{
	if (isImpostor() && !needsImpostorUpdate())
	{
		LLVector3 delta = getRenderPosition() -
			((LLVector3(mDrawable->getPositionGroup().getF32ptr())-mImpostorOffset));
		
		newMin.load3( (mLastAnimExtents[0] + delta).mV);
		newMax.load3( (mLastAnimExtents[1] + delta).mV);
	}
	else
	{
		getSpatialExtents(newMin,newMax);
		mLastAnimExtents[0].set(newMin.getF32ptr());
		mLastAnimExtents[1].set(newMax.getF32ptr());
		LLVector4a pos_group;
		pos_group.setAdd(newMin,newMax);
		pos_group.mul(0.5f);
		mImpostorOffset = LLVector3(pos_group.getF32ptr())-getRenderPosition();
		mDrawable->setPositionGroup(pos_group);
	}
}

void LLVOAvatar::getSpatialExtents(LLVector4a& newMin, LLVector4a& newMax)
{
	LLVector4a buffer(0.25f);
	LLVector4a pos;
	pos.load3(getRenderPosition().mV);
	newMin.setSub(pos, buffer);
	newMax.setAdd(pos, buffer);

	float max_attachment_span = get_default_max_prim_scale() * 5.0f;
	
	//stretch bounding box by joint positions
	for (polymesh_map_t::iterator i = mMeshes.begin(); i != mMeshes.end(); ++i)
	{
		LLPolyMesh* mesh = i->second;
		for (S32 joint_num = 0; joint_num < mesh->mJointRenderData.count(); joint_num++)
		{
			LLVector4a trans;
			trans.load3( mesh->mJointRenderData[joint_num]->mWorldMatrix->getTranslation().mV);
			update_min_max(newMin, newMax, trans);
		}
	}

	LLVector4a center, size;
	center.setAdd(newMin, newMax);
	center.mul(0.5f);

	size.setSub(newMax,newMin);
	size.mul(0.5f);

	mPixelArea = LLPipeline::calcPixelArea(center, size, *LLViewerCamera::getInstance());

	//stretch bounding box by attachments
	for (attachment_map_t::iterator iter = mAttachmentPoints.begin(); 
		 iter != mAttachmentPoints.end();
		 ++iter)
	{
		LLViewerJointAttachment* attachment = iter->second;

		if (!attachment->getValid())
		{
			continue ;
		}

		for (LLViewerJointAttachment::attachedobjs_vec_t::iterator attachment_iter = attachment->mAttachedObjects.begin();
			 attachment_iter != attachment->mAttachedObjects.end();
			 ++attachment_iter)
		{
			const LLViewerObject* attached_object = (*attachment_iter);
			if (attached_object && !attached_object->isHUDAttachment())
			{
				LLDrawable* drawable = attached_object->mDrawable;
				if (drawable && !drawable->isState(LLDrawable::RIGGED))
				{
					LLSpatialBridge* bridge = drawable->getSpatialBridge();
					if (bridge)
					{
						const LLVector4a* ext = bridge->getSpatialExtents();
						LLVector4a distance;
						distance.setSub(ext[1], ext[0]);
						LLVector4a max_span(max_attachment_span);

						S32 lt = distance.lessThan(max_span).getGatheredBits() & 0x7;
						
						// Only add the prim to spatial extents calculations if it isn't a megaprim.
						// max_attachment_span calculated at the start of the function 
						// (currently 5 times our max prim size) 
						if (lt == 0x7)
						{
							update_min_max(newMin,newMax,ext[0]);
							update_min_max(newMin,newMax,ext[1]);
						}
					}
				}
			}
		}
	}

	//pad bounding box	

	newMin.sub(buffer);
	newMax.add(buffer);
}

//-----------------------------------------------------------------------------
// renderCollisionVolumes()
//-----------------------------------------------------------------------------
void LLVOAvatar::renderCollisionVolumes()
{
	for (S32 i = 0; i < mNumCollisionVolumes; i++)
	{
		mCollisionVolumes[i].renderCollision();
	}

	if (mNameText.notNull())
	{
		LLVector3 unused;
		mNameText->lineSegmentIntersect(LLVector3(0,0,0), LLVector3(0,0,1), unused, TRUE);
	}
}

BOOL LLVOAvatar::lineSegmentIntersect(const LLVector3& start, const LLVector3& end,
									  S32 face,
									  BOOL pick_transparent,
									  S32* face_hit,
									  LLVector3* intersection,
									  LLVector2* tex_coord,
									  LLVector3* normal,
									  LLVector3* bi_normal)
{
	if ((isSelf() && !gAgent.needsRenderAvatar()) || !LLPipeline::sPickAvatar)
	{
		return FALSE;
	}

	if (lineSegmentBoundingBox(start, end))
	{
		for (S32 i = 0; i < mNumCollisionVolumes; ++i)
		{
			mCollisionVolumes[i].updateWorldMatrix();

			glh::matrix4f mat((F32*) mCollisionVolumes[i].getXform()->getWorldMatrix().mMatrix);
			glh::matrix4f inverse = mat.inverse();
			glh::matrix4f norm_mat = inverse.transpose();

			glh::vec3f p1(start.mV);
			glh::vec3f p2(end.mV);

			inverse.mult_matrix_vec(p1);
			inverse.mult_matrix_vec(p2);

			LLVector3 position;
			LLVector3 norm;

			if (linesegment_sphere(LLVector3(p1.v), LLVector3(p2.v), LLVector3(0,0,0), 1.f, position, norm))
			{
				glh::vec3f res_pos(position.mV);
				mat.mult_matrix_vec(res_pos);
				
				norm.normalize();
				glh::vec3f res_norm(norm.mV);
				norm_mat.mult_matrix_dir(res_norm);

				if (intersection)
				{
					*intersection = LLVector3(res_pos.v);
				}

				if (normal)
				{
					*normal = LLVector3(res_norm.v);
				}

				return TRUE;
			}
		}

		if (isSelf())
		{
			for (attachment_map_t::iterator iter = mAttachmentPoints.begin(); 
			 iter != mAttachmentPoints.end();
			 ++iter)
			{
				LLViewerJointAttachment* attachment = iter->second;

				for (LLViewerJointAttachment::attachedobjs_vec_t::iterator attachment_iter = attachment->mAttachedObjects.begin();
					 attachment_iter != attachment->mAttachedObjects.end();
					 ++attachment_iter)
				{
					LLViewerObject* attached_object = (*attachment_iter);
					
					if (attached_object && !attached_object->isDead() && attachment->getValid())
					{
						LLDrawable* drawable = attached_object->mDrawable;
						if (drawable->isState(LLDrawable::RIGGED))
						{ //regenerate octree for rigged attachment
							gPipeline.markRebuild(mDrawable, LLDrawable::REBUILD_RIGGED, TRUE);
						}
					}
				}
			}
		}
	}

	
	
	LLVector3 position;
	if (mNameText.notNull() && mNameText->lineSegmentIntersect(start, end, position))
	{
		if (intersection)
		{
			*intersection = position;
		}

		return TRUE;
	}

	return FALSE;
}

LLViewerObject* LLVOAvatar::lineSegmentIntersectRiggedAttachments(const LLVector3& start, const LLVector3& end,
									  S32 face,
									  BOOL pick_transparent,
									  S32* face_hit,
									  LLVector3* intersection,
									  LLVector2* tex_coord,
									  LLVector3* normal,
									  LLVector3* bi_normal)
{
	if (isSelf() && !gAgent.needsRenderAvatar())
	{
		return NULL;
	}

	LLViewerObject* hit = NULL;

	if (lineSegmentBoundingBox(start, end))
	{
		LLVector3 local_end = end;
		LLVector3 local_intersection;

		for (attachment_map_t::iterator iter = mAttachmentPoints.begin(); 
			iter != mAttachmentPoints.end();
			++iter)
		{
			LLViewerJointAttachment* attachment = iter->second;

			for (LLViewerJointAttachment::attachedobjs_vec_t::iterator attachment_iter = attachment->mAttachedObjects.begin();
					attachment_iter != attachment->mAttachedObjects.end();
					++attachment_iter)
			{
				LLViewerObject* attached_object = (*attachment_iter);
					
				if (attached_object->lineSegmentIntersect(start, local_end, face, pick_transparent, face_hit, &local_intersection, tex_coord, normal, bi_normal))
				{
					local_end = local_intersection;
					if (intersection)
					{
						*intersection = local_intersection;
					}
					
					hit = attached_object;
				}
			}
		}
	}
		
	return hit;
}

//-----------------------------------------------------------------------------
// parseSkeletonFile()
//-----------------------------------------------------------------------------
BOOL LLVOAvatar::parseSkeletonFile(const std::string& filename)
{
	LLMemType mt(LLMemType::MTYPE_AVATAR);
	
	//-------------------------------------------------------------------------
	// parse the file
	//-------------------------------------------------------------------------

	LLXMLNodePtr skeleton_xml;
	BOOL parsesuccess = LLXMLNode::parseFile(filename, skeleton_xml, NULL);

	if (!parsesuccess || skeleton_xml.isNull())
	{
		llerrs << "Can't parse skeleton file: " << filename << llendl;
		return FALSE;
	}

	// Process XML data
	if (sAvatarSkeletonInfo)
	{ //this can happen if a login attempt failed
		delete sAvatarSkeletonInfo;
	}
	sAvatarSkeletonInfo = new LLVOAvatarSkeletonInfo;

	LLXUIParser parser;
	parser.readXUI(skeleton_xml, *sAvatarSkeletonInfo, filename);
	if (!sAvatarSkeletonInfo->validateBlock())
	{
		llerrs << "Error parsing skeleton XML file: " << filename << llendl;
	}

	if( !skeleton_xml->hasName( "linden_skeleton" ) )
	{
		llerrs << "Invalid avatar skeleton file header: " << filename << llendl;
		return FALSE;
	}

	if (sAvatarSkeletonInfo->version() != "1.0")
	{
		llerrs << "Invalid avatar skeleton file version: " << sAvatarSkeletonInfo->version() << " in file: " << filename << llendl;
		return FALSE;
	}

	return TRUE;
}

//-----------------------------------------------------------------------------
// setupBone()
//-----------------------------------------------------------
BOOL LLVOAvatar::setupBone(const LLVOAvatarChildJoint& info, LLViewerJoint* parent, S32 &volume_num, S32 &joint_num)
{
	LLMemType mt(LLMemType::MTYPE_AVATAR);
	
	LLViewerJoint* joint = NULL;
	if (info.bone.isChosen())
	{
		joint = (LLViewerJoint*)getCharacterJoint(joint_num);
		if (!joint)
		{
			llwarns << "Too many bones" << llendl;
			return FALSE;
		}
		joint->setName( info.bone().name );
		joint->setPosition(info.bone().pos);
		joint->setRotation(mayaQ(info.bone().rot().mV[VX], info.bone().rot().mV[VY], info.bone().rot().mV[VZ], LLQuaternion::XYZ));
		joint->setScale(info.bone().scale);
		joint->setSkinOffset( info.bone().pivot );
		joint_num++;

		for (LLInitParam::ParamIterator<LLVOAvatarChildJoint>::const_iterator child_it = info.bone().children.begin(),
				end_it = info.bone().children.end();
			child_it != end_it;
			++child_it)
		{
			if (!setupBone(*child_it, joint, volume_num, joint_num))
			{
				return FALSE;
			}
	}
	}
	else // collision volume
	{
		if (volume_num >= (S32)mNumCollisionVolumes)
		{
			llwarns << "Too many bones" << llendl;
			return FALSE;
		}
		joint = (LLViewerJoint*)(&mCollisionVolumes[volume_num]);
		joint->setName( info.collision_volume.name);
		joint->setPosition(info.collision_volume.pos);
		joint->setRotation(mayaQ(info.collision_volume.rot().mV[VX], info.collision_volume.rot().mV[VY], info.collision_volume.rot().mV[VZ], LLQuaternion::XYZ));
		joint->setScale(info.collision_volume.scale);
		volume_num++;
	}

	// add to parent
	if (parent)
	{
		parent->addChild( joint );
	}

	joint->setDefaultFromCurrentXform();
	
	return TRUE;
}

//-----------------------------------------------------------------------------
// buildSkeleton()
//-----------------------------------------------------------------------------
BOOL LLVOAvatar::buildSkeleton(const LLVOAvatarSkeletonInfo *info)
{
	LLMemType mt(LLMemType::MTYPE_AVATAR);
	
	//-------------------------------------------------------------------------
	// allocate joints
	//-------------------------------------------------------------------------
	if (!allocateCharacterJoints(info->num_bones))
	{
		llerrs << "Can't allocate " << info->num_bones() << " joints" << llendl;
		return FALSE;
	}
	
	//-------------------------------------------------------------------------
	// allocate volumes
	//-------------------------------------------------------------------------
	if (info->num_collision_volumes)
	{
		if (!allocateCollisionVolumes(info->num_collision_volumes))
		{
			llerrs << "Can't allocate " << info->num_collision_volumes() << " collision volumes" << llendl;
			return FALSE;
		}
	}

	S32 current_joint_num = 0;
	S32 current_volume_num = 0;

	if (!setupBone(info->skeleton_root, NULL, current_volume_num, current_joint_num))
	{
			llerrs << "Error parsing bone in skeleton file" << llendl;
			return FALSE;
		}

	return TRUE;
}

LLVOAvatar* LLVOAvatar::asAvatar()
{
	return this;
}

//-----------------------------------------------------------------------------
// LLVOAvatar::startDefaultMotions()
//-----------------------------------------------------------------------------
void LLVOAvatar::startDefaultMotions()
{
	//-------------------------------------------------------------------------
	// start default motions
	//-------------------------------------------------------------------------
	startMotion( ANIM_AGENT_HEAD_ROT );
	startMotion( ANIM_AGENT_EYE );
	startMotion( ANIM_AGENT_BODY_NOISE );
	startMotion( ANIM_AGENT_BREATHE_ROT );
	startMotion( ANIM_AGENT_PHYSICS_MOTION );
	startMotion( ANIM_AGENT_HAND_MOTION );
	startMotion( ANIM_AGENT_PELVIS_FIX );

	//-------------------------------------------------------------------------
	// restart any currently active motions
	//-------------------------------------------------------------------------
	processAnimationStateChanges();
}

//-----------------------------------------------------------------------------
// LLVOAvatar::buildCharacter()
// Deferred initialization and rebuild of the avatar.
//-----------------------------------------------------------------------------
void LLVOAvatar::buildCharacter()
{
	LLMemType mt(LLMemType::MTYPE_AVATAR);
	
	//-------------------------------------------------------------------------
	// remove all references to our existing skeleton
	// so we can rebuild it
	//-------------------------------------------------------------------------
	flushAllMotions();

	//-------------------------------------------------------------------------
	// remove all of mRoot's children
	//-------------------------------------------------------------------------
	mRoot.removeAllChildren();
	mJointMap.clear();
	mIsBuilt = FALSE;

	//-------------------------------------------------------------------------
	// clear mesh data
	//-------------------------------------------------------------------------
	for (std::vector<LLViewerJoint*>::iterator jointIter = mMeshLOD.begin();
		 jointIter != mMeshLOD.end(); ++jointIter)
	{
		LLViewerJoint* joint = (LLViewerJoint*) *jointIter;
		for (std::vector<LLViewerJointMesh*>::iterator meshIter = joint->mMeshParts.begin();
			 meshIter != joint->mMeshParts.end(); ++meshIter)
		{
			LLViewerJointMesh * mesh = (LLViewerJointMesh *) *meshIter;
			mesh->setMesh(NULL);
		}
	}

	//-------------------------------------------------------------------------
	// (re)load our skeleton and meshes
	//-------------------------------------------------------------------------
	LLTimer timer;

	BOOL status = loadAvatar();
	stop_glerror();

// 	gPrintMessagesThisFrame = TRUE;
	lldebugs << "Avatar load took " << timer.getElapsedTimeF32() << " seconds." << llendl;

	if (!status)
	{
		if (isSelf())
		{
			llerrs << "Unable to load user's avatar" << llendl;
		}
		else
		{
			llwarns << "Unable to load other's avatar" << llendl;
		}
		return;
	}

	//-------------------------------------------------------------------------
	// initialize "well known" joint pointers
	//-------------------------------------------------------------------------
	mPelvisp		= (LLViewerJoint*)mRoot.findJoint("mPelvis");
	mTorsop			= (LLViewerJoint*)mRoot.findJoint("mTorso");
	mChestp			= (LLViewerJoint*)mRoot.findJoint("mChest");
	mNeckp			= (LLViewerJoint*)mRoot.findJoint("mNeck");
	mHeadp			= (LLViewerJoint*)mRoot.findJoint("mHead");
	mSkullp			= (LLViewerJoint*)mRoot.findJoint("mSkull");
	mHipLeftp		= (LLViewerJoint*)mRoot.findJoint("mHipLeft");
	mHipRightp		= (LLViewerJoint*)mRoot.findJoint("mHipRight");
	mKneeLeftp		= (LLViewerJoint*)mRoot.findJoint("mKneeLeft");
	mKneeRightp		= (LLViewerJoint*)mRoot.findJoint("mKneeRight");
	mAnkleLeftp		= (LLViewerJoint*)mRoot.findJoint("mAnkleLeft");
	mAnkleRightp	= (LLViewerJoint*)mRoot.findJoint("mAnkleRight");
	mFootLeftp		= (LLViewerJoint*)mRoot.findJoint("mFootLeft");
	mFootRightp		= (LLViewerJoint*)mRoot.findJoint("mFootRight");
	mWristLeftp		= (LLViewerJoint*)mRoot.findJoint("mWristLeft");
	mWristRightp	= (LLViewerJoint*)mRoot.findJoint("mWristRight");
	mEyeLeftp		= (LLViewerJoint*)mRoot.findJoint("mEyeLeft");
	mEyeRightp		= (LLViewerJoint*)mRoot.findJoint("mEyeRight");

	//-------------------------------------------------------------------------
	// Make sure "well known" pointers exist
	//-------------------------------------------------------------------------
	if (!(mPelvisp && 
		  mTorsop &&
		  mChestp &&
		  mNeckp &&
		  mHeadp &&
		  mSkullp &&
		  mHipLeftp &&
		  mHipRightp &&
		  mKneeLeftp &&
		  mKneeRightp &&
		  mAnkleLeftp &&
		  mAnkleRightp &&
		  mFootLeftp &&
		  mFootRightp &&
		  mWristLeftp &&
		  mWristRightp &&
		  mEyeLeftp &&
		  mEyeRightp))
	{
		llerrs << "Failed to create avatar." << llendl;
		return;
	}

	//-------------------------------------------------------------------------
	// initialize the pelvis
	//-------------------------------------------------------------------------
	mPelvisp->setPosition( LLVector3(0.0f, 0.0f, 0.0f) );
	
	//-------------------------------------------------------------------------
	// set head offset from pelvis
	//-------------------------------------------------------------------------
	updateHeadOffset();

	//-------------------------------------------------------------------------
	// initialize lip sync morph pointers
	//-------------------------------------------------------------------------
	mOohMorph     = getVisualParam( "Lipsync_Ooh" );
	mAahMorph     = getVisualParam( "Lipsync_Aah" );

	// If we don't have the Ooh morph, use the Kiss morph
	if (!mOohMorph)
	{
		llwarns << "Missing 'Ooh' morph for lipsync, using fallback." << llendl;
		mOohMorph = getVisualParam( "Express_Kiss" );
	}

	// If we don't have the Aah morph, use the Open Mouth morph
	if (!mAahMorph)
	{
		llwarns << "Missing 'Aah' morph for lipsync, using fallback." << llendl;
		mAahMorph = getVisualParam( "Express_Open_Mouth" );
	}

	startDefaultMotions();

	//-------------------------------------------------------------------------
	// restart any currently active motions
	//-------------------------------------------------------------------------
	processAnimationStateChanges();

	mIsBuilt = TRUE;
	stop_glerror();

	mMeshValid = TRUE;
}


//-----------------------------------------------------------------------------
// releaseMeshData()
//-----------------------------------------------------------------------------
void LLVOAvatar::releaseMeshData()
{
	LLMemType mt(LLMemType::MTYPE_AVATAR);
	
	if (sInstances.size() < AVATAR_RELEASE_THRESHOLD || mIsDummy)
	{
		return;
	}

	//llinfos << "Releasing" << llendl;

	// cleanup mesh data
	for (std::vector<LLViewerJoint*>::iterator iter = mMeshLOD.begin();
		 iter != mMeshLOD.end(); 
		 ++iter)
	{
		LLViewerJoint* joint = (LLViewerJoint*) *iter;
		joint->setValid(FALSE, TRUE);
	}

	//cleanup data
	if (mDrawable.notNull())
	{
		LLFace* facep = mDrawable->getFace(0);
		if (facep)
		{
		facep->setSize(0, 0);
		for(S32 i = mNumInitFaces ; i < mDrawable->getNumFaces(); i++)
		{
			facep = mDrawable->getFace(i);
				if (facep)
				{
			facep->setSize(0, 0);
		}
	}
		}
	}
	
	for (attachment_map_t::iterator iter = mAttachmentPoints.begin(); 
		 iter != mAttachmentPoints.end();
		 ++iter)
	{
		LLViewerJointAttachment* attachment = iter->second;
		if (!attachment->getIsHUDAttachment())
		{
			attachment->setAttachmentVisibility(FALSE);
		}
	}
	mMeshValid = FALSE;
}

//-----------------------------------------------------------------------------
// restoreMeshData()
//-----------------------------------------------------------------------------
// virtual
void LLVOAvatar::restoreMeshData()
{
	llassert(!isSelf());
	LLMemType mt(LLMemType::MTYPE_AVATAR);
	
	//llinfos << "Restoring" << llendl;
	mMeshValid = TRUE;
	updateJointLODs();

	for (attachment_map_t::iterator iter = mAttachmentPoints.begin(); 
		 iter != mAttachmentPoints.end();
		 ++iter)
	{
		LLViewerJointAttachment* attachment = iter->second;
		if (!attachment->getIsHUDAttachment())
		{
			attachment->setAttachmentVisibility(TRUE);
		}
	}

	// force mesh update as LOD might not have changed to trigger this
	gPipeline.markRebuild(mDrawable, LLDrawable::REBUILD_GEOMETRY, TRUE);
}

//-----------------------------------------------------------------------------
// updateMeshData()
//-----------------------------------------------------------------------------
void LLVOAvatar::updateMeshData()
{
	if (mDrawable.notNull())
	{
		stop_glerror();

		S32 f_num = 0 ;
		const U32 VERTEX_NUMBER_THRESHOLD = 128 ;//small number of this means each part of an avatar has its own vertex buffer.
		const S32 num_parts = mMeshLOD.size();

		// this order is determined by number of LODS
		// if a mesh earlier in this list changed LODs while a later mesh doesn't,
		// the later mesh's index offset will be inaccurate
		for(S32 part_index = 0 ; part_index < num_parts ;)
		{
			S32 j = part_index ;
			U32 last_v_num = 0, num_vertices = 0 ;
			U32 last_i_num = 0, num_indices = 0 ;

			while(part_index < num_parts && num_vertices < VERTEX_NUMBER_THRESHOLD)
			{
				last_v_num = num_vertices ;
				last_i_num = num_indices ;

				mMeshLOD[part_index++]->updateFaceSizes(num_vertices, num_indices, mAdjustedPixelArea);
			}
			if(num_vertices < 1)//skip empty meshes
			{
				continue ;
			}
			if(last_v_num > 0)//put the last inserted part into next vertex buffer.
			{
				num_vertices = last_v_num ;
				num_indices = last_i_num ;	
				part_index-- ;
			}
		
			LLFace* facep = NULL;
			if(f_num < mDrawable->getNumFaces()) 
			{
				facep = mDrawable->getFace(f_num);
			}
			else
			{
				facep = mDrawable->getFace(0);
				if (facep)
				{
					facep = mDrawable->addFace(facep->getPool(), facep->getTexture()) ;
				}
			}
			if (!facep) continue;
			
			// resize immediately
			facep->setSize(num_vertices, num_indices);

			bool terse_update = false;

			facep->setGeomIndex(0);
			facep->setIndicesIndex(0);
		
			LLVertexBuffer* buff = facep->getVertexBuffer();
			if(!facep->getVertexBuffer())
			{
				buff = new LLVertexBufferAvatar();
				buff->allocateBuffer(num_vertices, num_indices, TRUE);
				facep->setVertexBuffer(buff);
			}
			else
			{
				if (buff->getNumIndices() == num_indices &&
					buff->getNumVerts() == num_vertices)
				{
					terse_update = true;
				}
				else
				{
					buff->resizeBuffer(num_vertices, num_indices);
				}
			}
			
		
			// This is a hack! Avatars have their own pool, so we are detecting
			//   the case of more than one avatar in the pool (thus > 0 instead of >= 0)
			if (facep->getGeomIndex() > 0)
			{
				llerrs << "non-zero geom index: " << facep->getGeomIndex() << " in LLVOAvatar::restoreMeshData" << llendl;
			}

			for(S32 k = j ; k < part_index ; k++)
			{
				bool rigid = false;
				if (k == MESH_ID_EYEBALL_LEFT ||
					k == MESH_ID_EYEBALL_RIGHT)
				{ //eyeballs can't have terse updates since they're never rendered with
					//the hardware skinning shader
					rigid = true;
				}
				
				mMeshLOD[k]->updateFaceData(facep, mAdjustedPixelArea, k == MESH_ID_HAIR, terse_update && !rigid);
			}

			stop_glerror();
			buff->flush();

			if(!f_num)
			{
				f_num += mNumInitFaces ;
			}
			else
			{
				f_num++ ;
			}
		}
	}
}

//------------------------------------------------------------------------

//------------------------------------------------------------------------
// The viewer can only suggest a good size for the agent,
// the simulator will keep it inside a reasonable range.
void LLVOAvatar::computeBodySize() 
{
	LLVector3 pelvis_scale = mPelvisp->getScale();

	// some of the joints have not been cached
	LLVector3 skull = mSkullp->getPosition();
	LLVector3 skull_scale = mSkullp->getScale();

	LLVector3 neck = mNeckp->getPosition();
	LLVector3 neck_scale = mNeckp->getScale();

	LLVector3 chest = mChestp->getPosition();
	LLVector3 chest_scale = mChestp->getScale();

	// the rest of the joints have been cached
	LLVector3 head = mHeadp->getPosition();
	LLVector3 head_scale = mHeadp->getScale();

	LLVector3 torso = mTorsop->getPosition();
	LLVector3 torso_scale = mTorsop->getScale();

	LLVector3 hip = mHipLeftp->getPosition();
	LLVector3 hip_scale = mHipLeftp->getScale();

	LLVector3 knee = mKneeLeftp->getPosition();
	LLVector3 knee_scale = mKneeLeftp->getScale();

	LLVector3 ankle = mAnkleLeftp->getPosition();
	LLVector3 ankle_scale = mAnkleLeftp->getScale();

	LLVector3 foot  = mFootLeftp->getPosition();

	mPelvisToFoot = hip.mV[VZ] * pelvis_scale.mV[VZ] -
				 	knee.mV[VZ] * hip_scale.mV[VZ] -
				 	ankle.mV[VZ] * knee_scale.mV[VZ] -
				 	foot.mV[VZ] * ankle_scale.mV[VZ];

	LLVector3 new_body_size;
	new_body_size.mV[VZ] = mPelvisToFoot +
					   // the sqrt(2) correction below is an approximate
					   // correction to get to the top of the head
					   F_SQRT2 * (skull.mV[VZ] * head_scale.mV[VZ]) + 
					   head.mV[VZ] * neck_scale.mV[VZ] + 
					   neck.mV[VZ] * chest_scale.mV[VZ] + 
					   chest.mV[VZ] * torso_scale.mV[VZ] + 
					   torso.mV[VZ] * pelvis_scale.mV[VZ]; 

	// TODO -- measure the real depth and width
	new_body_size.mV[VX] = DEFAULT_AGENT_DEPTH;
	new_body_size.mV[VY] = DEFAULT_AGENT_WIDTH;

	if (new_body_size != mBodySize)
	{
		mBodySize = new_body_size;

		if (isSelf() && !LLAppearanceMgr::instance().isInUpdateAppearanceFromCOF())
		{	// notify simulator of change in size
			// but not if we are in the middle of updating appearance
			gAgent.sendAgentSetAppearance();
		}
	}
}

//------------------------------------------------------------------------
// LLVOAvatar::processUpdateMessage()
//------------------------------------------------------------------------
U32 LLVOAvatar::processUpdateMessage(LLMessageSystem *mesgsys,
									 void **user_data,
									 U32 block_num, const EObjectUpdateType update_type,
									 LLDataPacker *dp)
{
	LLMemType mt(LLMemType::MTYPE_AVATAR);
	
	LLVector3 old_vel = getVelocity();
	const BOOL has_name = !getNVPair("FirstName");

	// Do base class updates...
	U32 retval = LLViewerObject::processUpdateMessage(mesgsys, user_data, block_num, update_type, dp);

	// Print out arrival information once we have name of avatar.
		if (has_name && getNVPair("FirstName"))
		{
			mDebugExistenceTimer.reset();
		debugAvatarRezTime("AvatarRezArrivedNotification","avatar arrived");
		}

	if(retval & LLViewerObject::INVALID_UPDATE)
	{
		if (isSelf())
		{
			//tell sim to cancel this update
			gAgent.teleportViaLocation(gAgent.getPositionGlobal());
		}
	}

	//llinfos << getRotation() << llendl;
	//llinfos << getPosition() << llendl;

	return retval;
}

// virtual
S32 LLVOAvatar::setTETexture(const U8 te, const LLUUID& uuid)
{
	// The core setTETexture() method requests images, so we need
	// to redirect certain avatar texture requests to different sims.
	if (isIndexBakedTexture((ETextureIndex)te))
	{
		LLHost target_host = getObjectHost();
		return setTETextureCore(te, uuid, target_host);
	}
	else
	{
		return setTETextureCore(te, uuid, LLHost::invalid);
	}
}

static LLFastTimer::DeclareTimer FTM_AVATAR_UPDATE("Avatar Update");
static LLFastTimer::DeclareTimer FTM_JOINT_UPDATE("Update Joints");

//------------------------------------------------------------------------
// LLVOAvatar::dumpAnimationState()
//------------------------------------------------------------------------
void LLVOAvatar::dumpAnimationState()
{
	llinfos << "==============================================" << llendl;
	for (LLVOAvatar::AnimIterator it = mSignaledAnimations.begin(); it != mSignaledAnimations.end(); ++it)
	{
		LLUUID id = it->first;
		std::string playtag = "";
		if (mPlayingAnimations.find(id) != mPlayingAnimations.end())
		{
			playtag = "*";
		}
		llinfos << gAnimLibrary.animationName(id) << playtag << llendl;
	}
	for (LLVOAvatar::AnimIterator it = mPlayingAnimations.begin(); it != mPlayingAnimations.end(); ++it)
	{
		LLUUID id = it->first;
		bool is_signaled = mSignaledAnimations.find(id) != mSignaledAnimations.end();
		if (!is_signaled)
		{
			llinfos << gAnimLibrary.animationName(id) << "!S" << llendl;
		}
	}
}

//------------------------------------------------------------------------
// idleUpdate()
//------------------------------------------------------------------------
void LLVOAvatar::idleUpdate(LLAgent &agent, LLWorld &world, const F64 &time)
{
	LLMemType mt(LLMemType::MTYPE_AVATAR);
	LLFastTimer t(FTM_AVATAR_UPDATE);

	if (isDead())
	{
		llinfos << "Warning!  Idle on dead avatar" << llendl;
		return;
	}	

 	if (!(gPipeline.hasRenderType(LLPipeline::RENDER_TYPE_AVATAR)))
	{
		return;
	}

	checkTextureLoading() ;
	
	// force immediate pixel area update on avatars using last frames data (before drawable or camera updates)
	setPixelAreaAndAngle(gAgent);

	// force asynchronous drawable update
	if(mDrawable.notNull())
	{	
		LLFastTimer t(FTM_JOINT_UPDATE);
	
		if (mIsSitting && getParent())
		{
			LLViewerObject *root_object = (LLViewerObject*)getRoot();
			LLDrawable* drawablep = root_object->mDrawable;
			// if this object hasn't already been updated by another avatar...
			if (drawablep) // && !drawablep->isState(LLDrawable::EARLY_MOVE))
			{
				if (root_object->isSelected())
				{
					gPipeline.updateMoveNormalAsync(drawablep);
				}
				else
				{
					gPipeline.updateMoveDampedAsync(drawablep);
				}
			}
		}
		else 
		{
			gPipeline.updateMoveDampedAsync(mDrawable);
		}
	}

	//--------------------------------------------------------------------
	// set alpha flag depending on state
	//--------------------------------------------------------------------

	if (isSelf())
	{
		LLViewerObject::idleUpdate(agent, world, time);
		
		// trigger fidget anims
		if (isAnyAnimationSignaled(AGENT_STAND_ANIMS, NUM_AGENT_STAND_ANIMS))
		{
			agent.fidget();
		}
	}
	else
	{
		// Should override the idleUpdate stuff and leave out the angular update part.
		LLQuaternion rotation = getRotation();
		LLViewerObject::idleUpdate(agent, world, time);
		setRotation(rotation);
	}

	// attach objects that were waiting for a drawable
	lazyAttach();
	
	// animate the character
	// store off last frame's root position to be consistent with camera position
	LLVector3 root_pos_last = mRoot.getWorldPosition();
	BOOL detailed_update = updateCharacter(agent);

	static LLUICachedControl<bool> visualizers_in_calls("ShowVoiceVisualizersInCalls", false);
	bool voice_enabled = (visualizers_in_calls || LLVoiceClient::getInstance()->inProximalChannel()) &&
						 LLVoiceClient::getInstance()->getVoiceEnabled(mID);

	idleUpdateVoiceVisualizer( voice_enabled );
	idleUpdateMisc( detailed_update );
	idleUpdateAppearanceAnimation();
	if (detailed_update)
	{
		idleUpdateLipSync( voice_enabled );
		idleUpdateLoadingEffect();
		idleUpdateBelowWater();	// wind effect uses this
		idleUpdateWindEffect();
	}
	
	idleUpdateNameTag( root_pos_last );
	idleUpdateRenderCost();
}

void LLVOAvatar::idleUpdateVoiceVisualizer(bool voice_enabled)
{
#ifdef XXX_STINSON_CHUI_REWORK
	bool render_visualizer = voice_enabled;
	
	// Don't render the user's own voice visualizer when in mouselook, or when opening the mic is disabled.
	if(isSelf())
	{
		if(gAgentCamera.cameraMouselook() || gSavedSettings.getBOOL("VoiceDisableMic"))
		{
			render_visualizer = false;
		}
	}
	
	mVoiceVisualizer->setVoiceEnabled(render_visualizer);
#endif // XXX_STINSON_CHUI_REWORK
	
	if ( voice_enabled )
	{		
		//----------------------------------------------------------------
		// Only do gesture triggering for your own avatar, and only when you're in a proximal channel.
		//----------------------------------------------------------------
		if( isSelf() )
		{
			//----------------------------------------------------------------------------------------
			// The following takes the voice signal and uses that to trigger gesticulations. 
			//----------------------------------------------------------------------------------------
			int lastGesticulationLevel = mCurrentGesticulationLevel;
			mCurrentGesticulationLevel = mVoiceVisualizer->getCurrentGesticulationLevel();
			
			//---------------------------------------------------------------------------------------------------
			// If "current gesticulation level" changes, we catch this, and trigger the new gesture
			//---------------------------------------------------------------------------------------------------
			if ( lastGesticulationLevel != mCurrentGesticulationLevel )
			{
				if ( mCurrentGesticulationLevel != VOICE_GESTICULATION_LEVEL_OFF )
				{
					std::string gestureString = "unInitialized";
					if ( mCurrentGesticulationLevel == 0 )	{ gestureString = "/voicelevel1";	}
					else	if ( mCurrentGesticulationLevel == 1 )	{ gestureString = "/voicelevel2";	}
					else	if ( mCurrentGesticulationLevel == 2 )	{ gestureString = "/voicelevel3";	}
					else	{ llinfos << "oops - CurrentGesticulationLevel can be only 0, 1, or 2"  << llendl; }
					
					// this is the call that Karl S. created for triggering gestures from within the code.
					LLGestureMgr::instance().triggerAndReviseString( gestureString );
				}
			}
			
		} //if( isSelf() )
		
		//-----------------------------------------------------------------------------------------------------------------
		// If the avatar is speaking, then the voice amplitude signal is passed to the voice visualizer.
		// Also, here we trigger voice visualizer start and stop speaking, so it can animate the voice symbol.
		//
		// Notice the calls to "gAwayTimer.reset()". This resets the timer that determines how long the avatar has been
		// "away", so that the avatar doesn't lapse into away-mode (and slump over) while the user is still talking. 
		//-----------------------------------------------------------------------------------------------------------------
		if (LLVoiceClient::getInstance()->getIsSpeaking( mID ))
		{		
			if (!mVoiceVisualizer->getCurrentlySpeaking())
			{
				mVoiceVisualizer->setStartSpeaking();
				
				//printf( "gAwayTimer.reset();\n" );
			}
			
			mVoiceVisualizer->setSpeakingAmplitude( LLVoiceClient::getInstance()->getCurrentPower( mID ) );
			
			if( isSelf() )
			{
				gAgent.clearAFK();
			}
		}
		else
		{
			if ( mVoiceVisualizer->getCurrentlySpeaking() )
			{
				mVoiceVisualizer->setStopSpeaking();
				
				if ( mLipSyncActive )
				{
					if( mOohMorph ) mOohMorph->setWeight(mOohMorph->getMinWeight(), FALSE);
					if( mAahMorph ) mAahMorph->setWeight(mAahMorph->getMinWeight(), FALSE);
					
					mLipSyncActive = false;
					LLCharacter::updateVisualParams();
					dirtyMesh();
				}
			}
		}
		
#ifdef XXX_STINSON_CHUI_REWORK
		//--------------------------------------------------------------------------------------------
		// here we get the approximate head position and set as sound source for the voice symbol
		// (the following version uses a tweak of "mHeadOffset" which handle sitting vs. standing)
		//--------------------------------------------------------------------------------------------
		
		if ( mIsSitting )
		{
			LLVector3 headOffset = LLVector3( 0.0f, 0.0f, mHeadOffset.mV[2] );
			mVoiceVisualizer->setVoiceSourceWorldPosition( mRoot.getWorldPosition() + headOffset );
		}
		else 
		{
			LLVector3 tagPos = mRoot.getWorldPosition();
			tagPos[VZ] -= mPelvisToFoot;
			tagPos[VZ] += ( mBodySize[VZ] + 0.125f );
			mVoiceVisualizer->setVoiceSourceWorldPosition( tagPos );
		}
#endif // XXX_STINSON_CHUI_REWORK
	}//if ( voiceEnabled )
}		

static LLFastTimer::DeclareTimer FTM_ATTACHMENT_UPDATE("Update Attachments");

void LLVOAvatar::idleUpdateMisc(bool detailed_update)
{
	if (LLVOAvatar::sJointDebug)
	{
		llinfos << getFullname() << ": joint touches: " << LLJoint::sNumTouches << " updates: " << LLJoint::sNumUpdates << llendl;
	}

	LLJoint::sNumUpdates = 0;
	LLJoint::sNumTouches = 0;

	BOOL visible = isVisible() || mNeedsAnimUpdate;

	// update attachments positions
	if (detailed_update || !sUseImpostors)
	{
		LLFastTimer t(FTM_ATTACHMENT_UPDATE);
		for (attachment_map_t::iterator iter = mAttachmentPoints.begin(); 
			 iter != mAttachmentPoints.end();
			 ++iter)
		{
			LLViewerJointAttachment* attachment = iter->second;

			for (LLViewerJointAttachment::attachedobjs_vec_t::iterator attachment_iter = attachment->mAttachedObjects.begin();
				 attachment_iter != attachment->mAttachedObjects.end();
				 ++attachment_iter)
			{
				LLViewerObject* attached_object = (*attachment_iter);
				BOOL visibleAttachment = visible || (attached_object && 
													 !(attached_object->mDrawable->getSpatialBridge() &&
													   attached_object->mDrawable->getSpatialBridge()->getRadius() < 2.0));
				
				if (visibleAttachment && attached_object && !attached_object->isDead() && attachment->getValid())
				{
					// if selecting any attachments, update all of them as non-damped
					if (LLSelectMgr::getInstance()->getSelection()->getObjectCount() && LLSelectMgr::getInstance()->getSelection()->isAttachment())
					{
						gPipeline.updateMoveNormalAsync(attached_object->mDrawable);
					}
					else
					{
						gPipeline.updateMoveDampedAsync(attached_object->mDrawable);
					}
					
					LLSpatialBridge* bridge = attached_object->mDrawable->getSpatialBridge();
					if (bridge)
					{
						gPipeline.updateMoveNormalAsync(bridge);
					}
					attached_object->updateText();	
				}
			}
		}
	}

	mNeedsAnimUpdate = FALSE;

	if (isImpostor() && !mNeedsImpostorUpdate)
	{
		LL_ALIGN_16(LLVector4a ext[2]);
		F32 distance;
		LLVector3 angle;

		getImpostorValues(ext, angle, distance);

		for (U32 i = 0; i < 3 && !mNeedsImpostorUpdate; i++)
		{
			F32 cur_angle = angle.mV[i];
			F32 old_angle = mImpostorAngle.mV[i];
			F32 angle_diff = fabsf(cur_angle-old_angle);
		
			if (angle_diff > F_PI/512.f*distance*mUpdatePeriod)
			{
				mNeedsImpostorUpdate = TRUE;
			}
		}

		if (detailed_update && !mNeedsImpostorUpdate)
		{	//update impostor if view angle, distance, or bounding box change
			//significantly
			
			F32 dist_diff = fabsf(distance-mImpostorDistance);
			if (dist_diff/mImpostorDistance > 0.1f)
			{
				mNeedsImpostorUpdate = TRUE;
			}
			else
			{
				//VECTORIZE THIS
				getSpatialExtents(ext[0], ext[1]);
				LLVector4a diff;
				diff.setSub(ext[1], mImpostorExtents[1]);
				if (diff.getLength3().getF32() > 0.05f)
				{
					mNeedsImpostorUpdate = TRUE;
				}
				else
				{
					diff.setSub(ext[0], mImpostorExtents[0]);
					if (diff.getLength3().getF32() > 0.05f)
					{
						mNeedsImpostorUpdate = TRUE;
					}
				}
			}
		}
	}

	mDrawable->movePartition();
	
	//force a move if sitting on an active object
	if (getParent() && ((LLViewerObject*) getParent())->mDrawable->isActive())
	{
		gPipeline.markMoved(mDrawable, TRUE);
	}
}

void LLVOAvatar::idleUpdateAppearanceAnimation()
{
	// update morphing params
	if (mAppearanceAnimating)
	{
		ESex avatar_sex = getSex();
		F32 appearance_anim_time = mAppearanceMorphTimer.getElapsedTimeF32();
		if (appearance_anim_time >= APPEARANCE_MORPH_TIME)
		{
			mAppearanceAnimating = FALSE;
			for (LLVisualParam *param = getFirstVisualParam(); 
				 param;
				 param = getNextVisualParam())
			{
				if (param->isTweakable())
				{
					param->stopAnimating(FALSE);
				}
			}
			updateVisualParams();
			if (isSelf())
			{
				gAgent.sendAgentSetAppearance();
			}
		}
		else
		{
			F32 morph_amt = calcMorphAmount();
			LLVisualParam *param;

			if (!isSelf())
			{
				// animate only top level params for non-self avatars
				for (param = getFirstVisualParam();
					 param;
					 param = getNextVisualParam())
				{
					if (param->isTweakable())
					{
						param->animate(morph_amt, FALSE);
					}
				}
			}

			// apply all params
			for (param = getFirstVisualParam();
				 param;
				 param = getNextVisualParam())
			{
				param->apply(avatar_sex);
			}

			mLastAppearanceBlendTime = appearance_anim_time;
		}
		dirtyMesh();
	}
}

F32 LLVOAvatar::calcMorphAmount()
{
	F32 appearance_anim_time = mAppearanceMorphTimer.getElapsedTimeF32();
	F32 blend_frac = calc_bouncy_animation(appearance_anim_time / APPEARANCE_MORPH_TIME);
	F32 last_blend_frac = calc_bouncy_animation(mLastAppearanceBlendTime / APPEARANCE_MORPH_TIME);

	F32 morph_amt;
	if (last_blend_frac == 1.f)
	{
		morph_amt = 1.f;
	}
	else
	{
		morph_amt = (blend_frac - last_blend_frac) / (1.f - last_blend_frac);
	}

	return morph_amt;
}

void LLVOAvatar::idleUpdateLipSync(bool voice_enabled)
{
	// Use the Lipsync_Ooh and Lipsync_Aah morphs for lip sync
	if ( voice_enabled && (LLVoiceClient::getInstance()->lipSyncEnabled()) && LLVoiceClient::getInstance()->getIsSpeaking( mID ) )
	{
		F32 ooh_morph_amount = 0.0f;
		F32 aah_morph_amount = 0.0f;

		mVoiceVisualizer->lipSyncOohAah( ooh_morph_amount, aah_morph_amount );

		if( mOohMorph )
		{
			F32 ooh_weight = mOohMorph->getMinWeight()
				+ ooh_morph_amount * (mOohMorph->getMaxWeight() - mOohMorph->getMinWeight());

			mOohMorph->setWeight( ooh_weight, FALSE );
		}

		if( mAahMorph )
		{
			F32 aah_weight = mAahMorph->getMinWeight()
				+ aah_morph_amount * (mAahMorph->getMaxWeight() - mAahMorph->getMinWeight());

			mAahMorph->setWeight( aah_weight, FALSE );
		}

		mLipSyncActive = true;
		LLCharacter::updateVisualParams();
		dirtyMesh();
	}
}

void LLVOAvatar::idleUpdateLoadingEffect()
{
	// update visibility when avatar is partially loaded
	if (updateIsFullyLoaded()) // changed?
	{
		if (isFullyLoaded() && mFirstFullyVisible && isSelf())
		{
			LL_INFOS("Avatar") << avString() << "self isFullyLoaded, mFirstFullyVisible" << LL_ENDL;
			mFirstFullyVisible = FALSE;
				LLAppearanceMgr::instance().onFirstFullyVisible();
			}
		if (isFullyLoaded() && mFirstFullyVisible && !isSelf())
		{
			LL_INFOS("Avatar") << avString() << "other isFullyLoaded, mFirstFullyVisible" << LL_ENDL;
			mFirstFullyVisible = FALSE;
		}
		if (isFullyLoaded())
		{
			deleteParticleSource();
			updateLOD();
		}
		else
		{
			LLPartSysData particle_parameters;

			// fancy particle cloud designed by Brent
			particle_parameters.mPartData.mMaxAge            = 4.f;
			particle_parameters.mPartData.mStartScale.mV[VX] = 0.8f;
			particle_parameters.mPartData.mStartScale.mV[VX] = 0.8f;
			particle_parameters.mPartData.mStartScale.mV[VY] = 1.0f;
			particle_parameters.mPartData.mEndScale.mV[VX]   = 0.02f;
			particle_parameters.mPartData.mEndScale.mV[VY]   = 0.02f;
			particle_parameters.mPartData.mStartColor        = LLColor4(1, 1, 1, 0.5f);
			particle_parameters.mPartData.mEndColor          = LLColor4(1, 1, 1, 0.0f);
			particle_parameters.mPartData.mStartScale.mV[VX] = 0.8f;
			LLViewerTexture* cloud = LLViewerTextureManager::getFetchedTextureFromFile("cloud-particle.j2c");
			particle_parameters.mPartImageID                 = cloud->getID();
			particle_parameters.mMaxAge                      = 0.f;
			particle_parameters.mPattern                     = LLPartSysData::LL_PART_SRC_PATTERN_ANGLE_CONE;
			particle_parameters.mInnerAngle                  = F_PI;
			particle_parameters.mOuterAngle                  = 0.f;
			particle_parameters.mBurstRate                   = 0.02f;
			particle_parameters.mBurstRadius                 = 0.0f;
			particle_parameters.mBurstPartCount              = 1;
			particle_parameters.mBurstSpeedMin               = 0.1f;
			particle_parameters.mBurstSpeedMax               = 1.f;
			particle_parameters.mPartData.mFlags             = ( LLPartData::LL_PART_INTERP_COLOR_MASK | LLPartData::LL_PART_INTERP_SCALE_MASK |
																 LLPartData::LL_PART_EMISSIVE_MASK | // LLPartData::LL_PART_FOLLOW_SRC_MASK |
																 LLPartData::LL_PART_TARGET_POS_MASK );
			
			if (!isTooComplex()) // do not generate particles for overly-complex avatars
			{
				setParticleSource(particle_parameters, getID());
			}
		}
	}
}	

void LLVOAvatar::idleUpdateWindEffect()
{
	// update wind effect
	if ((LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_AVATAR) >= LLDrawPoolAvatar::SHADER_LEVEL_CLOTH))
	{
		F32 hover_strength = 0.f;
		F32 time_delta = mRippleTimer.getElapsedTimeF32() - mRippleTimeLast;
		mRippleTimeLast = mRippleTimer.getElapsedTimeF32();
		LLVector3 velocity = getVelocity();
		F32 speed = velocity.length();
		//RN: velocity varies too much frame to frame for this to work
		mRippleAccel.clearVec();//lerp(mRippleAccel, (velocity - mLastVel) * time_delta, LLCriticalDamp::getInterpolant(0.02f));
		mLastVel = velocity;
		LLVector4 wind;
		wind.setVec(getRegion()->mWind.getVelocityNoisy(getPositionAgent(), 4.f) - velocity);

		if (mInAir)
		{
			hover_strength = HOVER_EFFECT_STRENGTH * llmax(0.f, HOVER_EFFECT_MAX_SPEED - speed);
		}

		if (mBelowWater)
		{
			// TODO: make cloth flow more gracefully when underwater
			hover_strength += UNDERWATER_EFFECT_STRENGTH;
		}

		wind.mV[VZ] += hover_strength;
		wind.normalize();

		wind.mV[VW] = llmin(0.025f + (speed * 0.015f) + hover_strength, 0.5f);
		F32 interp;
		if (wind.mV[VW] > mWindVec.mV[VW])
		{
			interp = LLCriticalDamp::getInterpolant(0.2f);
		}
		else
		{
			interp = LLCriticalDamp::getInterpolant(0.4f);
		}
		mWindVec = lerp(mWindVec, wind, interp);
	
		F32 wind_freq = hover_strength + llclamp(8.f + (speed * 0.7f) + (noise1(mRipplePhase) * 4.f), 8.f, 25.f);
		mWindFreq = lerp(mWindFreq, wind_freq, interp); 

		if (mBelowWater)
		{
			mWindFreq *= UNDERWATER_FREQUENCY_DAMP;
		}

		mRipplePhase += (time_delta * mWindFreq);
		if (mRipplePhase > F_TWO_PI)
		{
			mRipplePhase = fmodf(mRipplePhase, F_TWO_PI);
		}
	}
}

void LLVOAvatar::idleUpdateNameTag(const LLVector3& root_pos_last)
{
	// update chat bubble
	//--------------------------------------------------------------------
	// draw text label over character's head
	//--------------------------------------------------------------------
	if (mChatTimer.getElapsedTimeF32() > BUBBLE_CHAT_TIME)
	{
		mChats.clear();
	}
	
	const F32 time_visible = mTimeVisible.getElapsedTimeF32();
	const F32 NAME_SHOW_TIME = gSavedSettings.getF32("RenderNameShowTime");	// seconds
	const F32 FADE_DURATION = gSavedSettings.getF32("RenderNameFadeDuration"); // seconds
	BOOL visible_avatar = isVisible() || mNeedsAnimUpdate;
	BOOL visible_chat = gSavedSettings.getBOOL("UseChatBubbles") && (mChats.size() || mTyping);
	BOOL render_name =	visible_chat ||
		(visible_avatar &&
		 ((sRenderName == RENDER_NAME_ALWAYS) ||
		  (sRenderName == RENDER_NAME_FADE && time_visible < NAME_SHOW_TIME)));
	// If it's your own avatar, don't draw in mouselook, and don't
	// draw if we're specifically hiding our own name.
	if (isSelf())
	{
		render_name = render_name
			&& !gAgentCamera.cameraMouselook()
			&& (visible_chat || (gSavedSettings.getBOOL("RenderNameShowSelf") 
								 && gSavedSettings.getS32("AvatarNameTagMode") ));
	}

	if ( !render_name )
	{
		if (mNameText)
		{
			// ...clean up old name tag
			mNameText->markDead();
			mNameText = NULL;
			sNumVisibleChatBubbles--;
		}
		return;
	}

		BOOL new_name = FALSE;
		if (visible_chat != mVisibleChat)
		{
			mVisibleChat = visible_chat;
			new_name = TRUE;
		}
		
		if (sRenderGroupTitles != mRenderGroupTitles)
		{
			mRenderGroupTitles = sRenderGroupTitles;
			new_name = TRUE;
		}

		// First Calculate Alpha
		// If alpha > 0, create mNameText if necessary, otherwise delete it
			F32 alpha = 0.f;
			if (mAppAngle > 5.f)
			{
				const F32 START_FADE_TIME = NAME_SHOW_TIME - FADE_DURATION;
				if (!visible_chat && sRenderName == RENDER_NAME_FADE && time_visible > START_FADE_TIME)
				{
					alpha = 1.f - (time_visible - START_FADE_TIME) / FADE_DURATION;
				}
				else
				{
					// ...not fading, full alpha
					alpha = 1.f;
				}
			}
			else if (mAppAngle > 2.f)
			{
				// far away is faded out also
				alpha = (mAppAngle-2.f)/3.f;
			}

	if (alpha <= 0.f)
			{
		if (mNameText)
		{
			mNameText->markDead();
			mNameText = NULL;
			sNumVisibleChatBubbles--;
		}
		return;
	}

				if (!mNameText)
				{
		mNameText = static_cast<LLHUDNameTag*>( LLHUDObject::addHUDObject(
			LLHUDObject::LL_HUD_NAME_TAG) );
		//mNameText->setMass(10.f);
					mNameText->setSourceObject(this);
		mNameText->setVertAlignment(LLHUDNameTag::ALIGN_VERT_TOP);
					mNameText->setVisibleOffScreen(TRUE);
					mNameText->setMaxLines(11);
					mNameText->setFadeDistance(CHAT_NORMAL_RADIUS, 5.f);
					sNumVisibleChatBubbles++;
					new_name = TRUE;
				}
				
	idleUpdateNameTagPosition(root_pos_last);
	idleUpdateNameTagText(new_name);			
	idleUpdateNameTagAlpha(new_name, alpha);
}

void LLVOAvatar::idleUpdateNameTagText(BOOL new_name)
{
	LLNameValue *title = getNVPair("Title");
	LLNameValue* firstname = getNVPair("FirstName");
	LLNameValue* lastname = getNVPair("LastName");

	// Avatars must have a first and last name
	if (!firstname || !lastname) return;

	bool is_away = mSignaledAnimations.find(ANIM_AGENT_AWAY)  != mSignaledAnimations.end();
	bool is_do_not_disturb = mSignaledAnimations.find(ANIM_AGENT_DO_NOT_DISTURB) != mSignaledAnimations.end();
	bool is_appearance = mSignaledAnimations.find(ANIM_AGENT_CUSTOMIZE) != mSignaledAnimations.end();
	bool is_muted;
	if (isSelf())
	{
		is_muted = false;
	}
	else
	{
		is_muted = LLMuteList::getInstance()->isMuted(getID());
	}
	bool is_friend = LLAvatarTracker::instance().isBuddy(getID());
	bool is_cloud = getIsCloud();

	if (is_appearance != mNameAppearance)
	{
		if (is_appearance)
		{
			debugAvatarRezTime("AvatarRezEnteredAppearanceNotification","entered appearance mode");
		}
		else
		{
			debugAvatarRezTime("AvatarRezLeftAppearanceNotification","left appearance mode");
		}
	}

	// Rebuild name tag if state change detected
	if (mNameString.empty()
		|| new_name
		|| (!title && !mTitle.empty())
		|| (title && mTitle != title->getString())
		|| is_away != mNameAway 
		|| is_do_not_disturb != mNameDoNotDisturb 
		|| is_muted != mNameMute
		|| is_appearance != mNameAppearance 
		|| is_friend != mNameFriend
		|| is_cloud != mNameCloud)
	{
		LLColor4 name_tag_color = getNameTagColor(is_friend);

		clearNameTag();

		if (is_away || is_muted || is_do_not_disturb || is_appearance)
		{
			std::string line;
			if (is_away)
			{
				line += LLTrans::getString("AvatarAway");
				line += ", ";
			}
			if (is_do_not_disturb)
			{
				line += LLTrans::getString("AvatarDoNotDisturb");
				line += ", ";
			}
			if (is_muted)
			{
				line += LLTrans::getString("AvatarMuted");
				line += ", ";
			}
			if (is_appearance)
			{
				line += LLTrans::getString("AvatarEditingAppearance");
				line += ", ";
			}
			if (is_cloud)
			{
				line += LLTrans::getString("LoadingData");
				line += ", ";
			}
			// trim last ", "
			line.resize( line.length() - 2 );
			addNameTagLine(line, name_tag_color, LLFontGL::NORMAL,
				LLFontGL::getFontSansSerifSmall());
		}

		if (sRenderGroupTitles
			&& title && title->getString() && title->getString()[0] != '\0')
		{
			std::string title_str = title->getString();
			LLStringFn::replace_ascii_controlchars(title_str,LL_UNKNOWN_CHAR);
			addNameTagLine(title_str, name_tag_color, LLFontGL::NORMAL,
				LLFontGL::getFontSansSerifSmall());
		}

		static LLUICachedControl<bool> show_display_names("NameTagShowDisplayNames");
		static LLUICachedControl<bool> show_usernames("NameTagShowUsernames");

		if (LLAvatarNameCache::useDisplayNames())
		{
			LLAvatarName av_name;
			if (!LLAvatarNameCache::get(getID(), &av_name))
			{
				// ...call this function back when the name arrives
				// and force a rebuild
				LLAvatarNameCache::get(getID(),
					boost::bind(&LLVOAvatar::clearNameTag, this));
			}

			// Might be blank if name not available yet, that's OK
			if (show_display_names)
			{
				addNameTagLine(av_name.mDisplayName, name_tag_color, LLFontGL::NORMAL,
					LLFontGL::getFontSansSerif());
			}
			// Suppress SLID display if display name matches exactly (ugh)
			if (show_usernames && !av_name.mIsDisplayNameDefault)
			{
				// *HACK: Desaturate the color
				LLColor4 username_color = name_tag_color * 0.83f;
				addNameTagLine(av_name.mUsername, username_color, LLFontGL::NORMAL,
					LLFontGL::getFontSansSerifSmall());
			}
		}
		else
		{
			const LLFontGL* font = LLFontGL::getFontSansSerif();
			std::string full_name = LLCacheName::buildFullName( firstname->getString(), lastname->getString() );
			addNameTagLine(full_name, name_tag_color, LLFontGL::NORMAL, font);
		}

		mNameAway = is_away;
		mNameDoNotDisturb = is_do_not_disturb;
		mNameMute = is_muted;
		mNameAppearance = is_appearance;
		mNameFriend = is_friend;
		mNameCloud = is_cloud;
		mTitle = title ? title->getString() : "";
		LLStringFn::replace_ascii_controlchars(mTitle,LL_UNKNOWN_CHAR);
		new_name = TRUE;
	}

	if (mVisibleChat)
	{
		mNameText->setFont(LLFontGL::getFontSansSerif());
		mNameText->setTextAlignment(LLHUDNameTag::ALIGN_TEXT_LEFT);
		mNameText->setFadeDistance(CHAT_NORMAL_RADIUS * 2.f, 5.f);

		char line[MAX_STRING];		/* Flawfinder: ignore */
		line[0] = '\0';
		std::deque<LLChat>::iterator chat_iter = mChats.begin();
		mNameText->clearString();

		LLColor4 new_chat = LLUIColorTable::instance().getColor( isSelf() ? "UserChatColor" : "AgentChatColor" );
		LLColor4 normal_chat = lerp(new_chat, LLColor4(0.8f, 0.8f, 0.8f, 1.f), 0.7f);
		LLColor4 old_chat = lerp(normal_chat, LLColor4(0.6f, 0.6f, 0.6f, 1.f), 0.7f);
		if (mTyping && mChats.size() >= MAX_BUBBLE_CHAT_UTTERANCES) 
		{
			++chat_iter;
		}

		for(; chat_iter != mChats.end(); ++chat_iter)
		{
			F32 chat_fade_amt = llclamp((F32)((LLFrameTimer::getElapsedSeconds() - chat_iter->mTime) / CHAT_FADE_TIME), 0.f, 4.f);
			LLFontGL::StyleFlags style;
			switch(chat_iter->mChatType)
			{
			case CHAT_TYPE_WHISPER:
				style = LLFontGL::ITALIC;
				break;
			case CHAT_TYPE_SHOUT:
				style = LLFontGL::BOLD;
				break;
			default:
				style = LLFontGL::NORMAL;
				break;
			}
			if (chat_fade_amt < 1.f)
			{
				F32 u = clamp_rescale(chat_fade_amt, 0.9f, 1.f, 0.f, 1.f);
				mNameText->addLine(chat_iter->mText, lerp(new_chat, normal_chat, u), style);
			}
			else if (chat_fade_amt < 2.f)
			{
				F32 u = clamp_rescale(chat_fade_amt, 1.9f, 2.f, 0.f, 1.f);
				mNameText->addLine(chat_iter->mText, lerp(normal_chat, old_chat, u), style);
			}
			else if (chat_fade_amt < 3.f)
			{
				// *NOTE: only remove lines down to minimum number
				mNameText->addLine(chat_iter->mText, old_chat, style);
			}
		}
		mNameText->setVisibleOffScreen(TRUE);

		if (mTyping)
		{
			S32 dot_count = (llfloor(mTypingTimer.getElapsedTimeF32() * 3.f) + 2) % 3 + 1;
			switch(dot_count)
			{
			case 1:
				mNameText->addLine(".", new_chat);
				break;
			case 2:
				mNameText->addLine("..", new_chat);
				break;
			case 3:
				mNameText->addLine("...", new_chat);
				break;
			}

		}
	}
	else
	{
		// ...not using chat bubbles, just names
		mNameText->setTextAlignment(LLHUDNameTag::ALIGN_TEXT_CENTER);
		mNameText->setFadeDistance(CHAT_NORMAL_RADIUS, 5.f);
		mNameText->setVisibleOffScreen(FALSE);
	}
}

void LLVOAvatar::addNameTagLine(const std::string& line, const LLColor4& color, S32 style, const LLFontGL* font)
{
	llassert(mNameText);
	if (mVisibleChat)
	{
		mNameText->addLabel(line);
	}
	else
	{
		mNameText->addLine(line, color, (LLFontGL::StyleFlags)style, font);
	}
	mNameString += line;
	mNameString += '\n';
}

void LLVOAvatar::clearNameTag()
{
	mNameString.clear();
	if (mNameText)
	{
		mNameText->setLabel("");
		mNameText->setString( "" );
	}
}

//static
void LLVOAvatar::invalidateNameTag(const LLUUID& agent_id)
{
	LLViewerObject* obj = gObjectList.findObject(agent_id);
	if (!obj) return;

	LLVOAvatar* avatar = dynamic_cast<LLVOAvatar*>(obj);
	if (!avatar) return;

	avatar->clearNameTag();
}

//static
void LLVOAvatar::invalidateNameTags()
{
	std::vector<LLCharacter*>::iterator it = LLCharacter::sInstances.begin();
	for ( ; it != LLCharacter::sInstances.end(); ++it)
	{
		LLVOAvatar* avatar = dynamic_cast<LLVOAvatar*>(*it);
		if (!avatar) continue;
		if (avatar->isDead()) continue;

		avatar->clearNameTag();
	}
}

// Compute name tag position during idle update
void LLVOAvatar::idleUpdateNameTagPosition(const LLVector3& root_pos_last)
{
	LLQuaternion root_rot = mRoot.getWorldRotation();
	LLQuaternion inv_root_rot = ~root_rot;
	LLVector3 pixel_right_vec;
	LLVector3 pixel_up_vec;
	LLViewerCamera::getInstance()->getPixelVectors(root_pos_last, pixel_up_vec, pixel_right_vec);
	LLVector3 camera_to_av = root_pos_last - LLViewerCamera::getInstance()->getOrigin();
	camera_to_av.normalize();
	LLVector3 local_camera_at = camera_to_av * inv_root_rot;
	LLVector3 local_camera_up = camera_to_av % LLViewerCamera::getInstance()->getLeftAxis();
	local_camera_up.normalize();
	local_camera_up = local_camera_up * inv_root_rot;

	LLVector3 avatar_ellipsoid(mBodySize.mV[VX] * 0.4f,
								mBodySize.mV[VY] * 0.4f,
								mBodySize.mV[VZ] * NAMETAG_VERT_OFFSET_WEIGHT);

	local_camera_up.scaleVec(avatar_ellipsoid);
	local_camera_at.scaleVec(avatar_ellipsoid);

	LLVector3 head_offset = (mHeadp->getLastWorldPosition() - mRoot.getLastWorldPosition()) * inv_root_rot;

	if (dist_vec(head_offset, mTargetRootToHeadOffset) > NAMETAG_UPDATE_THRESHOLD)
	{
		mTargetRootToHeadOffset = head_offset;
	}
	
	mCurRootToHeadOffset = lerp(mCurRootToHeadOffset, mTargetRootToHeadOffset, LLCriticalDamp::getInterpolant(0.2f));

	LLVector3 name_position = mRoot.getLastWorldPosition() + (mCurRootToHeadOffset * root_rot);
	name_position += (local_camera_up * root_rot) - (projected_vec(local_camera_at * root_rot, camera_to_av));	
	name_position += pixel_up_vec * NAMETAG_VERTICAL_SCREEN_OFFSET;

	mNameText->setPositionAgent(name_position);				
}

void LLVOAvatar::idleUpdateNameTagAlpha(BOOL new_name, F32 alpha)
{
	llassert(mNameText);

	if (new_name
		|| alpha != mNameAlpha)
	{
		mNameText->setAlpha(alpha);
		mNameAlpha = alpha;
	}
}

LLColor4 LLVOAvatar::getNameTagColor(bool is_friend)
{
	static LLUICachedControl<bool> show_friends("NameTagShowFriends");
	const char* color_name;
	if (show_friends && is_friend)
	{
		color_name = "NameTagFriend";
	}
	else if (LLAvatarNameCache::useDisplayNames())
	{
		// ...color based on whether username "matches" a computed display
		// name
		LLAvatarName av_name;
		if (LLAvatarNameCache::get(getID(), &av_name)
			&& av_name.mIsDisplayNameDefault)
		{
			color_name = "NameTagMatch";
		}
		else
		{
			color_name = "NameTagMismatch";
	}
	}
	else
	{
		// ...not using display names
		color_name = "NameTagLegacy";
	}
	return LLUIColorTable::getInstance()->getColor( color_name );
}

void LLVOAvatar::idleUpdateBelowWater()
{
	F32 avatar_height = (F32)(getPositionGlobal().mdV[VZ]);

	F32 water_height;
	water_height = getRegion()->getWaterHeight();

	mBelowWater =  avatar_height < water_height;
}

void LLVOAvatar::slamPosition()
{
	gAgent.setPositionAgent(getPositionAgent());
	mRoot.setWorldPosition(getPositionAgent()); // teleport
	setChanged(TRANSLATED);
	if (mDrawable.notNull())
	{
		gPipeline.updateMoveNormalAsync(mDrawable);
	}
	mRoot.updateWorldMatrixChildren();
}

bool LLVOAvatar::isVisuallyMuted() const
{
	static LLCachedControl<U32> max_attachment_bytes(gSavedSettings, "RenderAutoMuteByteLimit");
	static LLCachedControl<F32> max_attachment_area(gSavedSettings, "RenderAutoMuteSurfaceAreaLimit");
	
	return LLMuteList::getInstance()->isMuted(getID()) 
			|| (mAttachmentGeometryBytes > max_attachment_bytes && max_attachment_bytes > 0) 
			|| (mAttachmentSurfaceArea > max_attachment_area && max_attachment_area > 0.f);
}

//------------------------------------------------------------------------
// updateCharacter()
// called on both your avatar and other avatars
//------------------------------------------------------------------------
BOOL LLVOAvatar::updateCharacter(LLAgent &agent)
{
	LLMemType mt(LLMemType::MTYPE_AVATAR);

	// clear debug text
	mDebugText.clear();
	if (LLVOAvatar::sShowAnimationDebug)
	{
		for (LLMotionController::motion_list_t::iterator iter = mMotionController.getActiveMotions().begin();
			 iter != mMotionController.getActiveMotions().end(); ++iter)
		{
			LLMotion* motionp = *iter;
			if (motionp->getMinPixelArea() < getPixelArea())
			{
				std::string output;
				if (motionp->getName().empty())
				{
					output = llformat("%s - %d",
							  gAgent.isGodlikeWithoutAdminMenuFakery() ?
							  motionp->getID().asString().c_str() :
							  LLUUID::null.asString().c_str(),
							  (U32)motionp->getPriority());
				}
				else
				{
					output = llformat("%s - %d",
							  motionp->getName().c_str(),
							  (U32)motionp->getPriority());
				}
				addDebugText(output);
			}
		}
	}

	if (!mIsBuilt)
	{
		return FALSE;
	}

	BOOL visible = isVisible();

	// For fading out the names above heads, only let the timer
	// run if we're visible.
	if (mDrawable.notNull() && !visible)
	{
		mTimeVisible.reset();
	}

	//--------------------------------------------------------------------
	// the rest should only be done occasionally for far away avatars
	//--------------------------------------------------------------------

	if (visible && (!isSelf() || isVisuallyMuted()) && !mIsDummy && sUseImpostors && !mNeedsAnimUpdate && !sFreezeCounter)
	{
		const LLVector4a* ext = mDrawable->getSpatialExtents();
		LLVector4a size;
		size.setSub(ext[1],ext[0]);
		F32 mag = size.getLength3().getF32()*0.5f;

		
		F32 impostor_area = 256.f*512.f*(8.125f - LLVOAvatar::sLODFactor*8.f);
		if (isVisuallyMuted())
		{ // muted avatars update at 16 hz
			mUpdatePeriod = 16;
		}
		else if (mVisibilityRank <= LLVOAvatar::sMaxVisible ||
			mDrawable->mDistanceWRTCamera < 1.f + mag)
		{ //first 25% of max visible avatars are not impostored
			//also, don't impostor avatars whose bounding box may be penetrating the 
			//impostor camera near clip plane
			mUpdatePeriod = 1;
		}
		else if (mVisibilityRank > LLVOAvatar::sMaxVisible * 4)
		{ //background avatars are REALLY slow updating impostors
			mUpdatePeriod = 16;
		}
		else if (mVisibilityRank > LLVOAvatar::sMaxVisible * 3)
		{ //back 25% of max visible avatars are slow updating impostors
			mUpdatePeriod = 8;
		}
		else if (mImpostorPixelArea <= impostor_area)
		{  // stuff in between gets an update period based on pixel area
			mUpdatePeriod = llclamp((S32) sqrtf(impostor_area*4.f/mImpostorPixelArea), 2, 8);
		}
		else
		{
			//nearby avatars, update the impostors more frequently.
			mUpdatePeriod = 4;
		}

		visible = (LLDrawable::getCurrentFrame()+mID.mData[0])%mUpdatePeriod == 0 ? TRUE : FALSE;
	}
	else
	{
		mUpdatePeriod = 1;
	}


	// don't early out for your own avatar, as we rely on your animations playing reliably
	// for example, the "turn around" animation when entering customize avatar needs to trigger
	// even when your avatar is offscreen
	if (!visible && !isSelf())
	{
		updateMotions(LLCharacter::HIDDEN_UPDATE);
		return FALSE;
	}

	// change animation time quanta based on avatar render load
	if (!isSelf() && !mIsDummy)
	{
		F32 time_quantum = clamp_rescale((F32)sInstances.size(), 10.f, 35.f, 0.f, 0.25f);
		F32 pixel_area_scale = clamp_rescale(mPixelArea, 100, 5000, 1.f, 0.f);
		F32 time_step = time_quantum * pixel_area_scale;
		if (time_step != 0.f)
		{
			// disable walk motion servo controller as it doesn't work with motion timesteps
			stopMotion(ANIM_AGENT_WALK_ADJUST);
			removeAnimationData("Walk Speed");
		}
		mMotionController.setTimeStep(time_step);
//		llinfos << "Setting timestep to " << time_quantum * pixel_area_scale << llendl;
	}

	if (getParent() && !mIsSitting)
	{
		sitOnObject((LLViewerObject*)getParent());
	}
	else if (!getParent() && mIsSitting && !isMotionActive(ANIM_AGENT_SIT_GROUND_CONSTRAINED))
	{
		getOffObject();
	}

	//--------------------------------------------------------------------
	// create local variables in world coords for region position values
	//--------------------------------------------------------------------
	F32 speed;
	LLVector3 normal;

	LLVector3 xyVel = getVelocity();
	xyVel.mV[VZ] = 0.0f;
	speed = xyVel.length();

	BOOL throttle = TRUE;

	if (!(mIsSitting && getParent()))
	{
		//--------------------------------------------------------------------
		// get timing info
		// handle initial condition case
		//--------------------------------------------------------------------
		F32 animation_time = mAnimTimer.getElapsedTimeF32();
		if (mTimeLast == 0.0f)
		{
			mTimeLast = animation_time;
			throttle = FALSE;

			// put the pelvis at slaved position/mRotation
			mRoot.setWorldPosition( getPositionAgent() ); // first frame
			mRoot.setWorldRotation( getRotation() );
		}
	
		//--------------------------------------------------------------------
		// dont' let dT get larger than 1/5th of a second
		//--------------------------------------------------------------------
		F32 deltaTime = animation_time - mTimeLast;

		deltaTime = llclamp( deltaTime, DELTA_TIME_MIN, DELTA_TIME_MAX );
		mTimeLast = animation_time;

		mSpeedAccum = (mSpeedAccum * 0.95f) + (speed * 0.05f);

		//--------------------------------------------------------------------
		// compute the position of the avatar's root
		//--------------------------------------------------------------------
		LLVector3d root_pos;
		LLVector3d ground_under_pelvis;

		if (isSelf())
		{
			gAgent.setPositionAgent(getRenderPosition());
		}

		root_pos = gAgent.getPosGlobalFromAgent(getRenderPosition());

		resolveHeightGlobal(root_pos, ground_under_pelvis, normal);
		F32 foot_to_ground = (F32) (root_pos.mdV[VZ] - mPelvisToFoot - ground_under_pelvis.mdV[VZ]);				
		BOOL in_air = ((!LLWorld::getInstance()->getRegionFromPosGlobal(ground_under_pelvis)) || 
						foot_to_ground > FOOT_GROUND_COLLISION_TOLERANCE);

		if (in_air && !mInAir)
		{
			mTimeInAir.reset();
		}
		mInAir = in_air;

		// correct for the fact that the pelvis is not necessarily the center 
		// of the agent's physical representation
		root_pos.mdV[VZ] -= (0.5f * mBodySize.mV[VZ]) - mPelvisToFoot;
		
		LLVector3 newPosition = gAgent.getPosAgentFromGlobal(root_pos);

		if (newPosition != mRoot.getXform()->getWorldPosition())
		{		
			mRoot.touch();
			mRoot.setWorldPosition( newPosition ); // regular update				
		}


		//--------------------------------------------------------------------
		// Propagate viewer object rotation to root of avatar
		//--------------------------------------------------------------------
		if (!isAnyAnimationSignaled(AGENT_NO_ROTATE_ANIMS, NUM_AGENT_NO_ROTATE_ANIMS))
		{
			LLQuaternion iQ;
			LLVector3 upDir( 0.0f, 0.0f, 1.0f );
			
			// Compute a forward direction vector derived from the primitive rotation
			// and the velocity vector.  When walking or jumping, don't let body deviate
			// more than 90 from the view, if necessary, flip the velocity vector.

			LLVector3 primDir;
			if (isSelf())
			{
				primDir = agent.getAtAxis() - projected_vec(agent.getAtAxis(), agent.getReferenceUpVector());
				primDir.normalize();
			}
			else
			{
				primDir = getRotation().getMatrix3().getFwdRow();
			}
			LLVector3 velDir = getVelocity();
			velDir.normalize();
			if ( mSignaledAnimations.find(ANIM_AGENT_WALK) != mSignaledAnimations.end())
			{
				F32 vpD = velDir * primDir;
				if (vpD < -0.5f)
				{
					velDir *= -1.0f;
				}
			}
			LLVector3 fwdDir = lerp(primDir, velDir, clamp_rescale(speed, 0.5f, 2.0f, 0.0f, 1.0f));
			if (isSelf() && gAgentCamera.cameraMouselook())
			{
				// make sure fwdDir stays in same general direction as primdir
				if (gAgent.getFlying())
				{
					fwdDir = LLViewerCamera::getInstance()->getAtAxis();
				}
				else
				{
					LLVector3 at_axis = LLViewerCamera::getInstance()->getAtAxis();
					LLVector3 up_vector = gAgent.getReferenceUpVector();
					at_axis -= up_vector * (at_axis * up_vector);
					at_axis.normalize();
					
					F32 dot = fwdDir * at_axis;
					if (dot < 0.f)
					{
						fwdDir -= 2.f * at_axis * dot;
						fwdDir.normalize();
					}
				}
				
			}

			LLQuaternion root_rotation = mRoot.getWorldMatrix().quaternion();
			F32 root_roll, root_pitch, root_yaw;
			root_rotation.getEulerAngles(&root_roll, &root_pitch, &root_yaw);

			// When moving very slow, the pelvis is allowed to deviate from the
			// forward direction to allow it to hold it's position while the torso
			// and head turn.  Once in motion, it must conform however.
			BOOL self_in_mouselook = isSelf() && gAgentCamera.cameraMouselook();

			LLVector3 pelvisDir( mRoot.getWorldMatrix().getFwdRow4().mV );

			static LLCachedControl<F32> s_pelvis_rot_threshold_slow(gSavedSettings, "AvatarRotateThresholdSlow");
			static LLCachedControl<F32> s_pelvis_rot_threshold_fast(gSavedSettings, "AvatarRotateThresholdFast");

			F32 pelvis_rot_threshold = clamp_rescale(speed, 0.1f, 1.0f, s_pelvis_rot_threshold_slow, s_pelvis_rot_threshold_fast);
						
			if (self_in_mouselook)
			{
				pelvis_rot_threshold *= MOUSELOOK_PELVIS_FOLLOW_FACTOR;
			}
			pelvis_rot_threshold *= DEG_TO_RAD;

			F32 angle = angle_between( pelvisDir, fwdDir );

			// The avatar's root is allowed to have a yaw that deviates widely
			// from the forward direction, but if roll or pitch are off even
			// a little bit we need to correct the rotation.
			if(root_roll < 1.f * DEG_TO_RAD
			   && root_pitch < 5.f * DEG_TO_RAD)
			{
				// smaller correction vector means pelvis follows prim direction more closely
				if (!mTurning && angle > pelvis_rot_threshold*0.75f)
				{
					mTurning = TRUE;
				}

				// use tighter threshold when turning
				if (mTurning)
				{
					pelvis_rot_threshold *= 0.4f;
				}

				// am I done turning?
				if (angle < pelvis_rot_threshold)
				{
					mTurning = FALSE;
				}

				LLVector3 correction_vector = (pelvisDir - fwdDir) * clamp_rescale(angle, pelvis_rot_threshold*0.75f, pelvis_rot_threshold, 1.0f, 0.0f);
				fwdDir += correction_vector;
			}
			else
			{
				mTurning = FALSE;
			}

			// Now compute the full world space rotation for the whole body (wQv)
			LLVector3 leftDir = upDir % fwdDir;
			leftDir.normalize();
			fwdDir = leftDir % upDir;
			LLQuaternion wQv( fwdDir, leftDir, upDir );

			if (isSelf() && mTurning)
			{
				if ((fwdDir % pelvisDir) * upDir > 0.f)
				{
					gAgent.setControlFlags(AGENT_CONTROL_TURN_RIGHT);
				}
				else
				{
					gAgent.setControlFlags(AGENT_CONTROL_TURN_LEFT);
				}
			}

			// Set the root rotation, but do so incrementally so that it
			// lags in time by some fixed amount.
			//F32 u = LLCriticalDamp::getInterpolant(PELVIS_LAG);
			F32 pelvis_lag_time = 0.f;
			if (self_in_mouselook)
			{
				pelvis_lag_time = PELVIS_LAG_MOUSELOOK;
			}
			else if (mInAir)
			{
				pelvis_lag_time = PELVIS_LAG_FLYING;
				// increase pelvis lag time when moving slowly
				pelvis_lag_time *= clamp_rescale(mSpeedAccum, 0.f, 15.f, 3.f, 1.f);
			}
			else
			{
				pelvis_lag_time = PELVIS_LAG_WALKING;
			}

			F32 u = llclamp((deltaTime / pelvis_lag_time), 0.0f, 1.0f);	

			mRoot.setWorldRotation( slerp(u, mRoot.getWorldRotation(), wQv) );
			
		}
	}
	else if (mDrawable.notNull())
	{
		mRoot.setPosition(mDrawable->getPosition());
		mRoot.setRotation(mDrawable->getRotation());
	}
	
	//-------------------------------------------------------------------------
	// Update character motions
	//-------------------------------------------------------------------------
	// store data relevant to motions
	mSpeed = speed;

	// update animations
	if (mSpecialRenderMode == 1) // Animation Preview
		updateMotions(LLCharacter::FORCE_UPDATE);
	else
		updateMotions(LLCharacter::NORMAL_UPDATE);

	// update head position
	updateHeadOffset();

	//-------------------------------------------------------------------------
	// Find the ground under each foot, these are used for a variety
	// of things that follow
	//-------------------------------------------------------------------------
	LLVector3 ankle_left_pos_agent = mFootLeftp->getWorldPosition();
	LLVector3 ankle_right_pos_agent = mFootRightp->getWorldPosition();

	LLVector3 ankle_left_ground_agent = ankle_left_pos_agent;
	LLVector3 ankle_right_ground_agent = ankle_right_pos_agent;
	resolveHeightAgent(ankle_left_pos_agent, ankle_left_ground_agent, normal);
	resolveHeightAgent(ankle_right_pos_agent, ankle_right_ground_agent, normal);

	F32 leftElev = llmax(-0.2f, ankle_left_pos_agent.mV[VZ] - ankle_left_ground_agent.mV[VZ]);
	F32 rightElev = llmax(-0.2f, ankle_right_pos_agent.mV[VZ] - ankle_right_ground_agent.mV[VZ]);

	if (!mIsSitting)
	{
		//-------------------------------------------------------------------------
		// Figure out which foot is on ground
		//-------------------------------------------------------------------------
		if (!mInAir)
		{
			if ((leftElev < 0.0f) || (rightElev < 0.0f))
			{
				ankle_left_pos_agent = mFootLeftp->getWorldPosition();
				ankle_right_pos_agent = mFootRightp->getWorldPosition();
				leftElev = ankle_left_pos_agent.mV[VZ] - ankle_left_ground_agent.mV[VZ];
				rightElev = ankle_right_pos_agent.mV[VZ] - ankle_right_ground_agent.mV[VZ];
			}
		}
	}
	
	//-------------------------------------------------------------------------
	// Generate footstep sounds when feet hit the ground
	//-------------------------------------------------------------------------
	const LLUUID AGENT_FOOTSTEP_ANIMS[] = {ANIM_AGENT_WALK, ANIM_AGENT_RUN, ANIM_AGENT_LAND};
	const S32 NUM_AGENT_FOOTSTEP_ANIMS = LL_ARRAY_SIZE(AGENT_FOOTSTEP_ANIMS);

	if ( gAudiop && isAnyAnimationSignaled(AGENT_FOOTSTEP_ANIMS, NUM_AGENT_FOOTSTEP_ANIMS) )
	{
		BOOL playSound = FALSE;
		LLVector3 foot_pos_agent;

		BOOL onGroundLeft = (leftElev <= 0.05f);
		BOOL onGroundRight = (rightElev <= 0.05f);

		// did left foot hit the ground?
		if ( onGroundLeft && !mWasOnGroundLeft )
		{
			foot_pos_agent = ankle_left_pos_agent;
			playSound = TRUE;
		}

		// did right foot hit the ground?
		if ( onGroundRight && !mWasOnGroundRight )
		{
			foot_pos_agent = ankle_right_pos_agent;
			playSound = TRUE;
		}

		mWasOnGroundLeft = onGroundLeft;
		mWasOnGroundRight = onGroundRight;

		if ( playSound )
		{
			const F32 STEP_VOLUME = 0.1f;
			const LLUUID& step_sound_id = getStepSound();

			LLVector3d foot_pos_global = gAgent.getPosGlobalFromAgent(foot_pos_agent);

			if (LLViewerParcelMgr::getInstance()->canHearSound(foot_pos_global)
				&& !LLMuteList::getInstance()->isMuted(getID(), LLMute::flagObjectSounds))
			{
				gAudiop->triggerSound(step_sound_id, getID(), STEP_VOLUME, LLAudioEngine::AUDIO_TYPE_AMBIENT, foot_pos_global);
			}
		}
	}

	mRoot.updateWorldMatrixChildren();

	if (!mDebugText.size() && mText.notNull())
	{
		mText->markDead();
		mText = NULL;
	}
	else if (mDebugText.size())
	{
		setDebugText(mDebugText);
	}

	//mesh vertices need to be reskinned
	mNeedsSkin = TRUE;

	return TRUE;
}
//-----------------------------------------------------------------------------
// updateHeadOffset()
//-----------------------------------------------------------------------------
void LLVOAvatar::updateHeadOffset()
{
	// since we only care about Z, just grab one of the eyes
	LLVector3 midEyePt = mEyeLeftp->getWorldPosition();
	midEyePt -= mDrawable.notNull() ? mDrawable->getWorldPosition() : mRoot.getWorldPosition();
	midEyePt.mV[VZ] = llmax(-mPelvisToFoot + LLViewerCamera::getInstance()->getNear(), midEyePt.mV[VZ]);

	if (mDrawable.notNull())
	{
		midEyePt = midEyePt * ~mDrawable->getWorldRotation();
	}
	if (mIsSitting)
	{
		mHeadOffset = midEyePt;	
	}
	else
	{
		F32 u = llmax(0.f, HEAD_MOVEMENT_AVG_TIME - (1.f / gFPSClamped));
		mHeadOffset = lerp(midEyePt, mHeadOffset,  u);
	}
}
//------------------------------------------------------------------------
// setPelvisOffset
//------------------------------------------------------------------------
void LLVOAvatar::setPelvisOffset( bool hasOffset, const LLVector3& offsetAmount, F32 pelvisFixup ) 
{
	mHasPelvisOffset = hasOffset;
	if ( mHasPelvisOffset )
	{
		//Store off last pelvis to foot value
		mLastPelvisToFoot = mPelvisToFoot;
		mPelvisOffset	  = offsetAmount;
		mLastPelvisFixup  = mPelvisFixup;
		mPelvisFixup	  = pelvisFixup;
	}
}
//------------------------------------------------------------------------
// postPelvisSetRecalc
//------------------------------------------------------------------------
void LLVOAvatar::postPelvisSetRecalc( void )
{	
	computeBodySize(); 
	mRoot.touch();
	mRoot.updateWorldMatrixChildren();	
	dirtyMesh();
	updateHeadOffset();
}
//------------------------------------------------------------------------
// pelisPoke
//------------------------------------------------------------------------
void LLVOAvatar::setPelvisOffset( F32 pelvisFixupAmount )
{	
	mHasPelvisOffset  = true;
	mLastPelvisFixup  = mPelvisFixup;	
	mPelvisFixup	  = pelvisFixupAmount;	
}
//------------------------------------------------------------------------
// updateVisibility()
//------------------------------------------------------------------------
void LLVOAvatar::updateVisibility()
{
	BOOL visible = FALSE;

	if (mIsDummy)
	{
		visible = TRUE;
	}
	else if (mDrawable.isNull())
	{
		visible = FALSE;
	}
	else
	{
		if (!mDrawable->getSpatialGroup() || mDrawable->getSpatialGroup()->isVisible())
		{
			visible = TRUE;
		}
		else
		{
			visible = FALSE;
		}

		if(isSelf())
		{
			if (!gAgentWearables.areWearablesLoaded())
			{
				visible = FALSE;
			}
		}
		else if( !mFirstAppearanceMessageReceived )
		{
			visible = FALSE;
		}

		if (sDebugInvisible)
		{
			LLNameValue* firstname = getNVPair("FirstName");
			if (firstname)
			{
				LL_DEBUGS("Avatar") << avString() << " updating visibility" << LL_ENDL;
			}
			else
			{
				llinfos << "Avatar " << this << " updating visiblity" << llendl;
			}

			if (visible)
			{
				llinfos << "Visible" << llendl;
			}
			else
			{
				llinfos << "Not visible" << llendl;
			}

			/*if (avatar_in_frustum)
			{
				llinfos << "Avatar in frustum" << llendl;
			}
			else
			{
				llinfos << "Avatar not in frustum" << llendl;
			}*/

			/*if (LLViewerCamera::getInstance()->sphereInFrustum(sel_pos_agent, 2.0f))
			{
				llinfos << "Sel pos visible" << llendl;
			}
			if (LLViewerCamera::getInstance()->sphereInFrustum(wrist_right_pos_agent, 0.2f))
			{
				llinfos << "Wrist pos visible" << llendl;
			}
			if (LLViewerCamera::getInstance()->sphereInFrustum(getPositionAgent(), getMaxScale()*2.f))
			{
				llinfos << "Agent visible" << llendl;
			}*/
			llinfos << "PA: " << getPositionAgent() << llendl;
			/*llinfos << "SPA: " << sel_pos_agent << llendl;
			llinfos << "WPA: " << wrist_right_pos_agent << llendl;*/
			for (attachment_map_t::iterator iter = mAttachmentPoints.begin(); 
				 iter != mAttachmentPoints.end();
				 ++iter)
			{
				LLViewerJointAttachment* attachment = iter->second;

				for (LLViewerJointAttachment::attachedobjs_vec_t::iterator attachment_iter = attachment->mAttachedObjects.begin();
					 attachment_iter != attachment->mAttachedObjects.end();
					 ++attachment_iter)
				{
					if (LLViewerObject *attached_object = (*attachment_iter))
					{
						if(attached_object->mDrawable->isVisible())
						{
							llinfos << attachment->getName() << " visible" << llendl;
						}
						else
						{
							llinfos << attachment->getName() << " not visible at " << mDrawable->getWorldPosition() << " and radius " << mDrawable->getRadius() << llendl;
						}
					}
				}
			}
		}
	}

	if (!visible && mVisible)
	{
		mMeshInvisibleTime.reset();
	}

	if (visible)
	{
		if (!mMeshValid)
		{
			restoreMeshData();
		}
	}
	else
	{
		if (mMeshValid && mMeshInvisibleTime.getElapsedTimeF32() > TIME_BEFORE_MESH_CLEANUP)
		{
			releaseMeshData();
		}
	}

	mVisible = visible;
}

// private
bool LLVOAvatar::shouldAlphaMask()
{
	const bool should_alpha_mask = mSupportsAlphaLayers && !LLDrawPoolAlpha::sShowDebugAlpha // Don't alpha mask if "Highlight Transparent" checked
							&& !LLDrawPoolAvatar::sSkipTransparent;

	return should_alpha_mask;

}

//-----------------------------------------------------------------------------
// renderSkinned()
//-----------------------------------------------------------------------------
U32 LLVOAvatar::renderSkinned(EAvatarRenderPass pass)
{
	U32 num_indices = 0;

	if (!mIsBuilt)
	{
		return num_indices;
	}

	LLFace* face = mDrawable->getFace(0);

	bool needs_rebuild = !face || !face->getVertexBuffer() || mDrawable->isState(LLDrawable::REBUILD_GEOMETRY);

	if (needs_rebuild || mDirtyMesh)
	{	//LOD changed or new mesh created, allocate new vertex buffer if needed
		if (needs_rebuild || mDirtyMesh >= 2 || mVisibilityRank <= 4)
		{
		updateMeshData();
			mDirtyMesh = 0;
		mNeedsSkin = TRUE;
		mDrawable->clearState(LLDrawable::REBUILD_GEOMETRY);
	}
	}

	if (LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_AVATAR) <= 0)
	{
		if (mNeedsSkin)
		{
			//generate animated mesh
			mMeshLOD[MESH_ID_LOWER_BODY]->updateJointGeometry();
			mMeshLOD[MESH_ID_UPPER_BODY]->updateJointGeometry();

			if( isWearingWearableType( LLWearableType::WT_SKIRT ) )
			{
				mMeshLOD[MESH_ID_SKIRT]->updateJointGeometry();
			}

			if (!isSelf() || gAgent.needsRenderHead() || LLPipeline::sShadowRender)
			{
				mMeshLOD[MESH_ID_EYELASH]->updateJointGeometry();
				mMeshLOD[MESH_ID_HEAD]->updateJointGeometry();
				mMeshLOD[MESH_ID_HAIR]->updateJointGeometry();
			}
			mNeedsSkin = FALSE;
			mLastSkinTime = gFrameTimeSeconds;

			LLFace * face = mDrawable->getFace(0);
			if (face)
			{
				LLVertexBuffer* vb = face->getVertexBuffer();
			if (vb)
			{
				vb->flush();
			}
		}
	}
	}
	else
	{
		mNeedsSkin = FALSE;
	}

	if (sDebugInvisible)
	{
		LLNameValue* firstname = getNVPair("FirstName");
		if (firstname)
		{
			LL_DEBUGS("Avatar") << avString() << " in render" << LL_ENDL;
		}
		else
		{
			llinfos << "Avatar " << this << " in render" << llendl;
		}
		if (!mIsBuilt)
		{
			llinfos << "Not built!" << llendl;
		}
		else if (!gAgent.needsRenderAvatar())
		{
			llinfos << "Doesn't need avatar render!" << llendl;
		}
		else
		{
			llinfos << "Rendering!" << llendl;
		}
	}

	if (!mIsBuilt)
	{
		return num_indices;
	}

	if (isSelf() && !gAgent.needsRenderAvatar())
	{
		return num_indices;
	}

	// render collision normal
	// *NOTE: this is disabled (there is no UI for enabling sShowFootPlane) due
	// to DEV-14477.  the code is left here to aid in tracking down the cause
	// of the crash in the future. -brad
	if (sShowFootPlane && mDrawable.notNull())
	{
		LLVector3 slaved_pos = mDrawable->getPositionAgent();
		LLVector3 foot_plane_normal(mFootPlane.mV[VX], mFootPlane.mV[VY], mFootPlane.mV[VZ]);
		F32 dist_from_plane = (slaved_pos * foot_plane_normal) - mFootPlane.mV[VW];
		LLVector3 collide_point = slaved_pos;
		collide_point.mV[VZ] -= foot_plane_normal.mV[VZ] * (dist_from_plane + COLLISION_TOLERANCE - FOOT_COLLIDE_FUDGE);

		gGL.begin(LLRender::LINES);
		{
			F32 SQUARE_SIZE = 0.2f;
			gGL.color4f(1.f, 0.f, 0.f, 1.f);
			
			gGL.vertex3f(collide_point.mV[VX] - SQUARE_SIZE, collide_point.mV[VY] - SQUARE_SIZE, collide_point.mV[VZ]);
			gGL.vertex3f(collide_point.mV[VX] + SQUARE_SIZE, collide_point.mV[VY] - SQUARE_SIZE, collide_point.mV[VZ]);

			gGL.vertex3f(collide_point.mV[VX] + SQUARE_SIZE, collide_point.mV[VY] - SQUARE_SIZE, collide_point.mV[VZ]);
			gGL.vertex3f(collide_point.mV[VX] + SQUARE_SIZE, collide_point.mV[VY] + SQUARE_SIZE, collide_point.mV[VZ]);
			
			gGL.vertex3f(collide_point.mV[VX] + SQUARE_SIZE, collide_point.mV[VY] + SQUARE_SIZE, collide_point.mV[VZ]);
			gGL.vertex3f(collide_point.mV[VX] - SQUARE_SIZE, collide_point.mV[VY] + SQUARE_SIZE, collide_point.mV[VZ]);
			
			gGL.vertex3f(collide_point.mV[VX] - SQUARE_SIZE, collide_point.mV[VY] + SQUARE_SIZE, collide_point.mV[VZ]);
			gGL.vertex3f(collide_point.mV[VX] - SQUARE_SIZE, collide_point.mV[VY] - SQUARE_SIZE, collide_point.mV[VZ]);
			
			gGL.vertex3f(collide_point.mV[VX], collide_point.mV[VY], collide_point.mV[VZ]);
			gGL.vertex3f(collide_point.mV[VX] + mFootPlane.mV[VX], collide_point.mV[VY] + mFootPlane.mV[VY], collide_point.mV[VZ] + mFootPlane.mV[VZ]);

		}
		gGL.end();
		gGL.flush();
	}
	//--------------------------------------------------------------------
	// render all geometry attached to the skeleton
	//--------------------------------------------------------------------
	static LLStat render_stat;

	LLViewerJointMesh::sRenderPass = pass;

	if (pass == AVATAR_RENDER_PASS_SINGLE)
	{

		bool should_alpha_mask = shouldAlphaMask();
		LLGLState test(GL_ALPHA_TEST, should_alpha_mask);
		
		if (should_alpha_mask && !LLGLSLShader::sNoFixedFunction)
		{
			gGL.setAlphaRejectSettings(LLRender::CF_GREATER, 0.5f);
		}
		
		BOOL first_pass = TRUE;
		if (!LLDrawPoolAvatar::sSkipOpaque)
		{
			if (!isSelf() || gAgent.needsRenderHead() || LLPipeline::sShadowRender)
			{
				if (isTextureVisible(TEX_HEAD_BAKED) || mIsDummy)
				{
					num_indices += mMeshLOD[MESH_ID_HEAD]->render(mAdjustedPixelArea, TRUE, mIsDummy);
					first_pass = FALSE;
				}
			}
			if (isTextureVisible(TEX_UPPER_BAKED) || mIsDummy)
			{
				num_indices += mMeshLOD[MESH_ID_UPPER_BODY]->render(mAdjustedPixelArea, first_pass, mIsDummy);
				first_pass = FALSE;
			}
			
			if (isTextureVisible(TEX_LOWER_BAKED) || mIsDummy)
			{
				num_indices += mMeshLOD[MESH_ID_LOWER_BODY]->render(mAdjustedPixelArea, first_pass, mIsDummy);
				first_pass = FALSE;
			}
		}

		if (should_alpha_mask && !LLGLSLShader::sNoFixedFunction)
		{
			gGL.setAlphaRejectSettings(LLRender::CF_DEFAULT);
		}

		if (!LLDrawPoolAvatar::sSkipTransparent || LLPipeline::sImpostorRender)
		{
			LLGLState blend(GL_BLEND, !mIsDummy);
			LLGLState test(GL_ALPHA_TEST, !mIsDummy);
			num_indices += renderTransparent(first_pass);
		}
	}
	
	LLViewerJointMesh::sRenderPass = AVATAR_RENDER_PASS_SINGLE;
	
	//llinfos << "Avatar render: " << render_timer.getElapsedTimeF32() << llendl;

	//render_stat.addValue(render_timer.getElapsedTimeF32()*1000.f);

	return num_indices;
}

U32 LLVOAvatar::renderTransparent(BOOL first_pass)
{
	U32 num_indices = 0;
	if( isWearingWearableType( LLWearableType::WT_SKIRT ) && (mIsDummy || isTextureVisible(TEX_SKIRT_BAKED)) )
	{
		gGL.setAlphaRejectSettings(LLRender::CF_GREATER, 0.25f);
		num_indices += mMeshLOD[MESH_ID_SKIRT]->render(mAdjustedPixelArea, FALSE);
		first_pass = FALSE;
		gGL.setAlphaRejectSettings(LLRender::CF_DEFAULT);
	}

	if (!isSelf() || gAgent.needsRenderHead() || LLPipeline::sShadowRender)
	{
		if (LLPipeline::sImpostorRender)
		{
			gGL.setAlphaRejectSettings(LLRender::CF_GREATER, 0.5f);
		}
		
		if (isTextureVisible(TEX_HEAD_BAKED))
		{
			num_indices += mMeshLOD[MESH_ID_EYELASH]->render(mAdjustedPixelArea, first_pass, mIsDummy);
			first_pass = FALSE;
		}
		// Can't test for baked hair being defined, since that won't always be the case (not all viewers send baked hair)
		// TODO: 1.25 will be able to switch this logic back to calling isTextureVisible();
		if (getImage(TEX_HAIR_BAKED, 0)->getID() != IMG_INVISIBLE || LLDrawPoolAlpha::sShowDebugAlpha)
		{
			num_indices += mMeshLOD[MESH_ID_HAIR]->render(mAdjustedPixelArea, first_pass, mIsDummy);
			first_pass = FALSE;
		}
		if (LLPipeline::sImpostorRender)
		{
			gGL.setAlphaRejectSettings(LLRender::CF_DEFAULT);
		}
	}

	return num_indices;
}

//-----------------------------------------------------------------------------
// renderRigid()
//-----------------------------------------------------------------------------
U32 LLVOAvatar::renderRigid()
{
	U32 num_indices = 0;

	if (!mIsBuilt)
	{
		return 0;
	}

	if (isSelf() && (!gAgent.needsRenderAvatar() || !gAgent.needsRenderHead()))
	{
		return 0;
	}
	
	if (!mIsBuilt)
	{
		return 0;
	}

	bool should_alpha_mask = shouldAlphaMask();
	LLGLState test(GL_ALPHA_TEST, should_alpha_mask);

	if (should_alpha_mask && !LLGLSLShader::sNoFixedFunction)
	{
		gGL.setAlphaRejectSettings(LLRender::CF_GREATER, 0.5f);
	}

	if (isTextureVisible(TEX_EYES_BAKED)  || mIsDummy)
	{
		num_indices += mMeshLOD[MESH_ID_EYEBALL_LEFT]->render(mAdjustedPixelArea, TRUE, mIsDummy);
		num_indices += mMeshLOD[MESH_ID_EYEBALL_RIGHT]->render(mAdjustedPixelArea, TRUE, mIsDummy);
	}

	if (should_alpha_mask && !LLGLSLShader::sNoFixedFunction)
	{
		gGL.setAlphaRejectSettings(LLRender::CF_DEFAULT);
	}
	
	return num_indices;
}

U32 LLVOAvatar::renderImpostor(LLColor4U color, S32 diffuse_channel)
{
	if (!mImpostor.isComplete())
	{
		return 0;
	}

	LLVector3 pos(getRenderPosition()+mImpostorOffset);
	LLVector3 at = (pos - LLViewerCamera::getInstance()->getOrigin());
	at.normalize();
	LLVector3 left = LLViewerCamera::getInstance()->getUpAxis() % at;
	LLVector3 up = at%left;

	left *= mImpostorDim.mV[0];
	up *= mImpostorDim.mV[1];

	LLGLEnable test(GL_ALPHA_TEST);
	gGL.setAlphaRejectSettings(LLRender::CF_GREATER, 0.f);

	gGL.color4ubv(color.mV);
	gGL.getTexUnit(diffuse_channel)->bind(&mImpostor);
	gGL.begin(LLRender::QUADS);
	gGL.texCoord2f(0,0);
	gGL.vertex3fv((pos+left-up).mV);
	gGL.texCoord2f(1,0);
	gGL.vertex3fv((pos-left-up).mV);
	gGL.texCoord2f(1,1);
	gGL.vertex3fv((pos-left+up).mV);
	gGL.texCoord2f(0,1);
	gGL.vertex3fv((pos+left+up).mV);
	gGL.end();
	gGL.flush();

	return 6;
}

//------------------------------------------------------------------------
// LLVOAvatar::updateTextures()
//------------------------------------------------------------------------
void LLVOAvatar::updateTextures()
{
	BOOL render_avatar = TRUE;

	if (mIsDummy)
	{
		return;
	}

	if( isSelf() )
	{
		render_avatar = TRUE;
	}
	else
	{
		if(!isVisible())
		{
			return ;//do not update for invisible avatar.
		}

		render_avatar = !mCulled; //visible and not culled.
	}

	std::vector<BOOL> layer_baked;
	// GL NOT ACTIVE HERE - *TODO
	for (U32 i = 0; i < mBakedTextureDatas.size(); i++)
	{
		layer_baked.push_back(isTextureDefined(mBakedTextureDatas[i].mTextureIndex));
		// bind the texture so that they'll be decoded slightly 
		// inefficient, we can short-circuit this if we have to
		if (render_avatar && !gGLManager.mIsDisabled)
		{
			if (layer_baked[i] && !mBakedTextureDatas[i].mIsLoaded)
			{
				gGL.getTexUnit(0)->bind(getImage( mBakedTextureDatas[i].mTextureIndex, 0 ));
			}
		}
	}

	mMaxPixelArea = 0.f;
	mMinPixelArea = 99999999.f;
	mHasGrey = FALSE; // debug
	for (U32 texture_index = 0; texture_index < getNumTEs(); texture_index++)
	{
		LLWearableType::EType wearable_type = LLVOAvatarDictionary::getTEWearableType((ETextureIndex)texture_index);
		U32 num_wearables = gAgentWearables.getWearableCount(wearable_type);
		const LLTextureEntry *te = getTE(texture_index);
		const F32 texel_area_ratio = fabs(te->mScaleS * te->mScaleT);
		LLViewerFetchedTexture *imagep = NULL;
		for (U32 wearable_index = 0; wearable_index < num_wearables; wearable_index++)
		{
			imagep = LLViewerTextureManager::staticCastToFetchedTexture(getImage(texture_index, wearable_index), TRUE);
			if (imagep)
			{
				const LLVOAvatarDictionary::TextureEntry *texture_dict = LLVOAvatarDictionary::getInstance()->getTexture((ETextureIndex)texture_index);
				const EBakedTextureIndex baked_index = texture_dict->mBakedTextureIndex;
				if (texture_dict->mIsLocalTexture)
				{
					addLocalTextureStats((ETextureIndex)texture_index, imagep, texel_area_ratio, render_avatar, layer_baked[baked_index]);
				}
			}
		}
		if (isIndexBakedTexture((ETextureIndex) texture_index) && render_avatar)
		{
			const S32 boost_level = getAvatarBakedBoostLevel();
			imagep = LLViewerTextureManager::staticCastToFetchedTexture(getImage(texture_index,0), TRUE);
			// Spam if this is a baked texture, not set to default image, without valid host info
			if (isIndexBakedTexture((ETextureIndex)texture_index)
				&& imagep->getID() != IMG_DEFAULT_AVATAR
				&& imagep->getID() != IMG_INVISIBLE
				&& !imagep->getTargetHost().isOk())
			{
				LL_WARNS_ONCE("Texture") << "LLVOAvatar::updateTextures No host for texture "
										 << imagep->getID() << " for avatar "
										 << (isSelf() ? "<myself>" : getID().asString()) 
										 << " on host " << getRegion()->getHost() << llendl;
			}

			addBakedTextureStats( imagep, mPixelArea, texel_area_ratio, boost_level );			
		}
	}

	if (gPipeline.hasRenderDebugMask(LLPipeline::RENDER_DEBUG_TEXTURE_AREA))
	{
		setDebugText(llformat("%4.0f:%4.0f", (F32) sqrt(mMinPixelArea),(F32) sqrt(mMaxPixelArea)));
	}	
}


void LLVOAvatar::addLocalTextureStats( ETextureIndex idx, LLViewerFetchedTexture* imagep,
									   F32 texel_area_ratio, BOOL render_avatar, BOOL covered_by_baked, U32 index )
{
	// No local texture stats for non-self avatars
	return;
}

const S32 MAX_TEXTURE_UPDATE_INTERVAL = 64 ; //need to call updateTextures() at least every 32 frames.	
const S32 MAX_TEXTURE_VIRTURE_SIZE_RESET_INTERVAL = S32_MAX ; //frames
void LLVOAvatar::checkTextureLoading()
{
	static const F32 MAX_INVISIBLE_WAITING_TIME = 15.f ; //seconds

	BOOL pause = !isVisible() ;
	if(!pause)
	{
		mInvisibleTimer.reset() ;
	}
	if(mLoadedCallbacksPaused == pause)
	{
		return ; 
	}
	
	if(mCallbackTextureList.empty()) //when is self or no callbacks. Note: this list for self is always empty.
	{
		mLoadedCallbacksPaused = pause ;
		return ; //nothing to check.
	}
	
	if(pause && mInvisibleTimer.getElapsedTimeF32() < MAX_INVISIBLE_WAITING_TIME)
	{
		return ; //have not been invisible for enough time.
	}
	
	for(LLLoadedCallbackEntry::source_callback_list_t::iterator iter = mCallbackTextureList.begin();
		iter != mCallbackTextureList.end(); ++iter)
	{
		LLViewerFetchedTexture* tex = gTextureList.findImage(*iter) ;
		if(tex)
		{
			if(pause)//pause texture fetching.
			{
				tex->pauseLoadedCallbacks(&mCallbackTextureList) ;

				//set to terminate texture fetching after MAX_TEXTURE_UPDATE_INTERVAL frames.
				tex->setMaxVirtualSizeResetInterval(MAX_TEXTURE_UPDATE_INTERVAL);
				tex->resetMaxVirtualSizeResetCounter() ;
			}
			else//unpause
			{
				static const F32 START_AREA = 100.f ;

				tex->unpauseLoadedCallbacks(&mCallbackTextureList) ;
				tex->addTextureStats(START_AREA); //jump start the fetching again
			}
		}		
	}			
	
	if(!pause)
	{
		updateTextures() ; //refresh texture stats.
	}
	mLoadedCallbacksPaused = pause ;
	return ;
}

const F32  SELF_ADDITIONAL_PRI = 0.75f ;
const F32  ADDITIONAL_PRI = 0.5f;
void LLVOAvatar::addBakedTextureStats( LLViewerFetchedTexture* imagep, F32 pixel_area, F32 texel_area_ratio, S32 boost_level)
{
	//Note:
	//if this function is not called for the last MAX_TEXTURE_VIRTURE_SIZE_RESET_INTERVAL frames, 
	//the texture pipeline will stop fetching this texture.

	imagep->resetTextureStats();
	imagep->setCanUseHTTP(false) ; //turn off http fetching for baked textures.
	imagep->setMaxVirtualSizeResetInterval(MAX_TEXTURE_VIRTURE_SIZE_RESET_INTERVAL);
	imagep->resetMaxVirtualSizeResetCounter() ;

	mMaxPixelArea = llmax(pixel_area, mMaxPixelArea);
	mMinPixelArea = llmin(pixel_area, mMinPixelArea);	
	imagep->addTextureStats(pixel_area / texel_area_ratio);
	imagep->setBoostLevel(boost_level);
	
	if(boost_level != LLViewerTexture::BOOST_AVATAR_BAKED_SELF)
	{
		imagep->setAdditionalDecodePriority(ADDITIONAL_PRI) ;
	}
	else
	{
		imagep->setAdditionalDecodePriority(SELF_ADDITIONAL_PRI) ;
	}
}

//virtual	
void LLVOAvatar::setImage(const U8 te, LLViewerTexture *imagep, const U32 index)
{
	setTEImage(te, imagep);
}

//virtual 
LLViewerTexture* LLVOAvatar::getImage(const U8 te, const U32 index) const
{
	return getTEImage(te);
}
//virtual 
const LLTextureEntry* LLVOAvatar::getTexEntry(const U8 te_num) const
{
	return getTE(te_num);
}

//virtual 
void LLVOAvatar::setTexEntry(const U8 index, const LLTextureEntry &te)
{
	setTE(index, te);
}

//-----------------------------------------------------------------------------
// resolveHeight()
//-----------------------------------------------------------------------------

void LLVOAvatar::resolveHeightAgent(const LLVector3 &in_pos_agent, LLVector3 &out_pos_agent, LLVector3 &out_norm)
{
	LLVector3d in_pos_global, out_pos_global;

	in_pos_global = gAgent.getPosGlobalFromAgent(in_pos_agent);
	resolveHeightGlobal(in_pos_global, out_pos_global, out_norm);
	out_pos_agent = gAgent.getPosAgentFromGlobal(out_pos_global);
}


void LLVOAvatar::resolveRayCollisionAgent(const LLVector3d start_pt, const LLVector3d end_pt, LLVector3d &out_pos, LLVector3 &out_norm)
{
	LLViewerObject *obj;
	LLWorld::getInstance()->resolveStepHeightGlobal(this, start_pt, end_pt, out_pos, out_norm, &obj);
}

void LLVOAvatar::resolveHeightGlobal(const LLVector3d &inPos, LLVector3d &outPos, LLVector3 &outNorm)
{
	LLVector3d zVec(0.0f, 0.0f, 0.5f);
	LLVector3d p0 = inPos + zVec;
	LLVector3d p1 = inPos - zVec;
	LLViewerObject *obj;
	LLWorld::getInstance()->resolveStepHeightGlobal(this, p0, p1, outPos, outNorm, &obj);
	if (!obj)
	{
		mStepOnLand = TRUE;
		mStepMaterial = 0;
		mStepObjectVelocity.setVec(0.0f, 0.0f, 0.0f);
	}
	else
	{
		mStepOnLand = FALSE;
		mStepMaterial = obj->getMaterial();

		// We want the primitive velocity, not our velocity... (which actually subtracts the
		// step object velocity)
		LLVector3 angularVelocity = obj->getAngularVelocity();
		LLVector3 relativePos = gAgent.getPosAgentFromGlobal(outPos) - obj->getPositionAgent();

		LLVector3 linearComponent = angularVelocity % relativePos;
//		llinfos << "Linear Component of Rotation Velocity " << linearComponent << llendl;
		mStepObjectVelocity = obj->getVelocity() + linearComponent;
	}
}


//-----------------------------------------------------------------------------
// getStepSound()
//-----------------------------------------------------------------------------
const LLUUID& LLVOAvatar::getStepSound() const
{
	if ( mStepOnLand )
	{
		return sStepSoundOnLand;
	}

	return sStepSounds[mStepMaterial];
}


//-----------------------------------------------------------------------------
// processAnimationStateChanges()
//-----------------------------------------------------------------------------
void LLVOAvatar::processAnimationStateChanges()
{
	LLMemType mt(LLMemType::MTYPE_AVATAR);
	
	if ( isAnyAnimationSignaled(AGENT_WALK_ANIMS, NUM_AGENT_WALK_ANIMS) )
	{
		startMotion(ANIM_AGENT_WALK_ADJUST);
		stopMotion(ANIM_AGENT_FLY_ADJUST);
	}
	else if (mInAir && !mIsSitting)
	{
		stopMotion(ANIM_AGENT_WALK_ADJUST);
		startMotion(ANIM_AGENT_FLY_ADJUST);
	}
	else
	{
		stopMotion(ANIM_AGENT_WALK_ADJUST);
		stopMotion(ANIM_AGENT_FLY_ADJUST);
	}

	if ( isAnyAnimationSignaled(AGENT_GUN_AIM_ANIMS, NUM_AGENT_GUN_AIM_ANIMS) )
	{
		startMotion(ANIM_AGENT_TARGET);
		stopMotion(ANIM_AGENT_BODY_NOISE);
	}
	else
	{
		stopMotion(ANIM_AGENT_TARGET);
		startMotion(ANIM_AGENT_BODY_NOISE);
	}
	
	// clear all current animations
	AnimIterator anim_it;
	for (anim_it = mPlayingAnimations.begin(); anim_it != mPlayingAnimations.end();)
	{
		AnimIterator found_anim = mSignaledAnimations.find(anim_it->first);

		// playing, but not signaled, so stop
		if (found_anim == mSignaledAnimations.end())
		{
			processSingleAnimationStateChange(anim_it->first, FALSE);
			mPlayingAnimations.erase(anim_it++);
			continue;
		}

		++anim_it;
	}

	// start up all new anims
	for (anim_it = mSignaledAnimations.begin(); anim_it != mSignaledAnimations.end();)
	{
		AnimIterator found_anim = mPlayingAnimations.find(anim_it->first);

		// signaled but not playing, or different sequence id, start motion
		if (found_anim == mPlayingAnimations.end() || found_anim->second != anim_it->second)
		{
			if (processSingleAnimationStateChange(anim_it->first, TRUE))
			{
				mPlayingAnimations[anim_it->first] = anim_it->second;
				++anim_it;
				continue;
			}
		}

		++anim_it;
	}

	// clear source information for animations which have been stopped
	if (isSelf())
	{
		AnimSourceIterator source_it = mAnimationSources.begin();

		for (source_it = mAnimationSources.begin(); source_it != mAnimationSources.end();)
		{
			if (mSignaledAnimations.find(source_it->second) == mSignaledAnimations.end())
			{
				mAnimationSources.erase(source_it++);
			}
			else
			{
				++source_it;
			}
		}
	}

	stop_glerror();
}


//-----------------------------------------------------------------------------
// processSingleAnimationStateChange();
//-----------------------------------------------------------------------------
BOOL LLVOAvatar::processSingleAnimationStateChange( const LLUUID& anim_id, BOOL start )
{
	LLMemType mt(LLMemType::MTYPE_AVATAR);
	
	BOOL result = FALSE;

	if ( start ) // start animation
	{
		if (anim_id == ANIM_AGENT_TYPE)
		{
			if (gAudiop)
			{
				LLVector3d char_pos_global = gAgent.getPosGlobalFromAgent(getCharacterPosition());
				if (LLViewerParcelMgr::getInstance()->canHearSound(char_pos_global)
				    && !LLMuteList::getInstance()->isMuted(getID(), LLMute::flagObjectSounds))
				{
					// RN: uncomment this to play on typing sound at fixed volume once sound engine is fixed
					// to support both spatialized and non-spatialized instances of the same sound
					//if (isSelf())
					//{
					//	gAudiop->triggerSound(LLUUID(gSavedSettings.getString("UISndTyping")), 1.0f, LLAudioEngine::AUDIO_TYPE_UI);
					//}
					//else
					{
						LLUUID sound_id = LLUUID(gSavedSettings.getString("UISndTyping"));
						gAudiop->triggerSound(sound_id, getID(), 1.0f, LLAudioEngine::AUDIO_TYPE_SFX, char_pos_global);
					}
				}
			}
		}
		else if (anim_id == ANIM_AGENT_SIT_GROUND_CONSTRAINED)
		{
			sitDown(TRUE);
		}


		if (startMotion(anim_id))
		{
			result = TRUE;
		}
		else
		{
			llwarns << "Failed to start motion!" << llendl;
		}
	}
	else //stop animation
	{
		if (anim_id == ANIM_AGENT_SIT_GROUND_CONSTRAINED)
		{
			sitDown(FALSE);
		}
		stopMotion(anim_id);
		result = TRUE;
	}

	return result;
}

//-----------------------------------------------------------------------------
// isAnyAnimationSignaled()
//-----------------------------------------------------------------------------
BOOL LLVOAvatar::isAnyAnimationSignaled(const LLUUID *anim_array, const S32 num_anims) const
{
	for (S32 i = 0; i < num_anims; i++)
	{
		if(mSignaledAnimations.find(anim_array[i]) != mSignaledAnimations.end())
		{
			return TRUE;
		}
	}
	return FALSE;
}

//-----------------------------------------------------------------------------
// resetAnimations()
//-----------------------------------------------------------------------------
void LLVOAvatar::resetAnimations()
{
	LLKeyframeMotion::flushKeyframeCache();
	flushAllMotions();
}

// Override selectively based on avatar sex and whether we're using new
// animations.
LLUUID LLVOAvatar::remapMotionID(const LLUUID& id)
{
	BOOL use_new_walk_run = gSavedSettings.getBOOL("UseNewWalkRun");
	LLUUID result = id;

	// start special case female walk for female avatars
	if (getSex() == SEX_FEMALE)
	{
		if (id == ANIM_AGENT_WALK)
		{
			if (use_new_walk_run)
				result = ANIM_AGENT_FEMALE_WALK_NEW;
			else
				result = ANIM_AGENT_FEMALE_WALK;
		}
		else if (id == ANIM_AGENT_RUN)
		{
			// There is no old female run animation, so only override
			// in one case.
			if (use_new_walk_run)
				result = ANIM_AGENT_FEMALE_RUN_NEW;
		}
		else if (id == ANIM_AGENT_SIT)
		{
			result = ANIM_AGENT_SIT_FEMALE;
		}
	}
	else
	{
		// Male avatar.
		if (id == ANIM_AGENT_WALK)
		{
			if (use_new_walk_run)
				result = ANIM_AGENT_WALK_NEW;
		}
		else if (id == ANIM_AGENT_RUN)
		{
			if (use_new_walk_run)
				result = ANIM_AGENT_RUN_NEW;
		}
	
	}

	return result;

}

//-----------------------------------------------------------------------------
// startMotion()
// id is the asset if of the animation to start
// time_offset is the offset into the animation at which to start playing
//-----------------------------------------------------------------------------
BOOL LLVOAvatar::startMotion(const LLUUID& id, F32 time_offset)
{
	LLMemType mt(LLMemType::MTYPE_AVATAR);

	lldebugs << "motion requested " << id.asString() << " " << gAnimLibrary.animationName(id) << llendl;

	LLUUID remap_id = remapMotionID(id);

	if (remap_id != id)
	{
		lldebugs << "motion resultant " << remap_id.asString() << " " << gAnimLibrary.animationName(remap_id) << llendl;
	}

	if (isSelf() && remap_id == ANIM_AGENT_AWAY)
	{
		gAgent.setAFK();
	}

	return LLCharacter::startMotion(remap_id, time_offset);
}

//-----------------------------------------------------------------------------
// stopMotion()
//-----------------------------------------------------------------------------
BOOL LLVOAvatar::stopMotion(const LLUUID& id, BOOL stop_immediate)
{
	lldebugs << "motion requested " << id.asString() << " " << gAnimLibrary.animationName(id) << llendl;

	LLUUID remap_id = remapMotionID(id);
	
	if (remap_id != id)
	{
		lldebugs << "motion resultant " << remap_id.asString() << " " << gAnimLibrary.animationName(remap_id) << llendl;
	}

	if (isSelf())
	{
		gAgent.onAnimStop(remap_id);
	}

	return LLCharacter::stopMotion(remap_id, stop_immediate);
}

//-----------------------------------------------------------------------------
// stopMotionFromSource()
//-----------------------------------------------------------------------------
// virtual
void LLVOAvatar::stopMotionFromSource(const LLUUID& source_id)
{
}

//-----------------------------------------------------------------------------
// getVolumePos()
//-----------------------------------------------------------------------------
LLVector3 LLVOAvatar::getVolumePos(S32 joint_index, LLVector3& volume_offset)
{
	if (joint_index > mNumCollisionVolumes)
	{
		return LLVector3::zero;
	}

	return mCollisionVolumes[joint_index].getVolumePos(volume_offset);
}

//-----------------------------------------------------------------------------
// findCollisionVolume()
//-----------------------------------------------------------------------------
LLJoint* LLVOAvatar::findCollisionVolume(U32 volume_id)
{
	if ((S32)volume_id > mNumCollisionVolumes)
	{
		return NULL;
	}
	
	return &mCollisionVolumes[volume_id];
}

//-----------------------------------------------------------------------------
// findCollisionVolume()
//-----------------------------------------------------------------------------
S32 LLVOAvatar::getCollisionVolumeID(std::string &name)
{
	for (S32 i = 0; i < mNumCollisionVolumes; i++)
	{
		if (mCollisionVolumes[i].getName() == name)
		{
			return i;
		}
	}

	return -1;
}

//-----------------------------------------------------------------------------
// addDebugText()
//-----------------------------------------------------------------------------
void LLVOAvatar::addDebugText(const std::string& text)
{
	mDebugText.append(1, '\n');
	mDebugText.append(text);
}

//-----------------------------------------------------------------------------
// getID()
//-----------------------------------------------------------------------------
const LLUUID& LLVOAvatar::getID() const
{
	return mID;
}

//-----------------------------------------------------------------------------
// getJoint()
//-----------------------------------------------------------------------------
// RN: avatar joints are multi-rooted to include screen-based attachments
LLJoint *LLVOAvatar::getJoint( const std::string &name )
{
	joint_map_t::iterator iter = mJointMap.find(name);

	LLJoint* jointp = NULL;

	if (iter == mJointMap.end() || iter->second == NULL)
	{ //search for joint and cache found joint in lookup table
		jointp = mRoot.findJoint(name);
		mJointMap[name] = jointp;
	}
	else
	{ //return cached pointer
		jointp = iter->second;
	}

	return jointp;
}

//-----------------------------------------------------------------------------
// resetJointPositions
//-----------------------------------------------------------------------------
void LLVOAvatar::resetJointPositions( void )
{
	for(S32 i = 0; i < (S32)mNumJoints; ++i)
	{
		mSkeleton[i].restoreOldXform();
		mSkeleton[i].setId( LLUUID::null );
	}
	mHasPelvisOffset = false;
	mPelvisFixup	 = mLastPelvisFixup;
}
//-----------------------------------------------------------------------------
// resetSpecificJointPosition
//-----------------------------------------------------------------------------
void LLVOAvatar::resetSpecificJointPosition( const std::string& name )
{
	LLJoint* pJoint = mRoot.findJoint( name );
	
	if ( pJoint  && pJoint->doesJointNeedToBeReset() )
	{
		pJoint->restoreOldXform();
		pJoint->setId( LLUUID::null );
		//If we're reseting the pelvis position make sure not to apply offset
		if ( name == "mPelvis" )
		{
			mHasPelvisOffset = false;
		}
	}
	else
	{
		llinfos<<"Did not find "<< name.c_str()<<llendl;
	}
}
//-----------------------------------------------------------------------------
// resetJointPositionsToDefault
//-----------------------------------------------------------------------------
void LLVOAvatar::resetJointPositionsToDefault( void )
{

	//Subsequent joints are relative to pelvis
	for( S32 i = 0; i < (S32)mNumJoints; ++i )
	{
		LLJoint* pJoint = (LLJoint*)&mSkeleton[i];
		if ( pJoint->doesJointNeedToBeReset() )
		{

			pJoint->setId( LLUUID::null );
			//restore joints to default positions, however skip over the pelvis
			if ( pJoint )
			{
				pJoint->restoreOldXform();
			}
		}
	}
	//make sure we don't apply the joint offset
	mHasPelvisOffset = false;
	mPelvisFixup	 = mLastPelvisFixup;
	postPelvisSetRecalc();
}
//-----------------------------------------------------------------------------
// getCharacterPosition()
//-----------------------------------------------------------------------------
LLVector3 LLVOAvatar::getCharacterPosition()
{
	if (mDrawable.notNull())
	{
		return mDrawable->getPositionAgent();
	}
	else
	{
		return getPositionAgent();
	}
}


//-----------------------------------------------------------------------------
// LLVOAvatar::getCharacterRotation()
//-----------------------------------------------------------------------------
LLQuaternion LLVOAvatar::getCharacterRotation()
{
	return getRotation();
}


//-----------------------------------------------------------------------------
// LLVOAvatar::getCharacterVelocity()
//-----------------------------------------------------------------------------
LLVector3 LLVOAvatar::getCharacterVelocity()
{
	return getVelocity() - mStepObjectVelocity;
}


//-----------------------------------------------------------------------------
// LLVOAvatar::getCharacterAngularVelocity()
//-----------------------------------------------------------------------------
LLVector3 LLVOAvatar::getCharacterAngularVelocity()
{
	return getAngularVelocity();
}

//-----------------------------------------------------------------------------
// LLVOAvatar::getGround()
//-----------------------------------------------------------------------------
void LLVOAvatar::getGround(const LLVector3 &in_pos_agent, LLVector3 &out_pos_agent, LLVector3 &outNorm)
{
	LLVector3d z_vec(0.0f, 0.0f, 1.0f);
	LLVector3d p0_global, p1_global;

	if (mIsDummy)
	{
		outNorm.setVec(z_vec);
		out_pos_agent = in_pos_agent;
		return;
	}
	
	p0_global = gAgent.getPosGlobalFromAgent(in_pos_agent) + z_vec;
	p1_global = gAgent.getPosGlobalFromAgent(in_pos_agent) - z_vec;
	LLViewerObject *obj;
	LLVector3d out_pos_global;
	LLWorld::getInstance()->resolveStepHeightGlobal(this, p0_global, p1_global, out_pos_global, outNorm, &obj);
	out_pos_agent = gAgent.getPosAgentFromGlobal(out_pos_global);
}

//-----------------------------------------------------------------------------
// LLVOAvatar::getTimeDilation()
//-----------------------------------------------------------------------------
F32 LLVOAvatar::getTimeDilation()
{
	return mTimeDilation;
}


//-----------------------------------------------------------------------------
// LLVOAvatar::getPixelArea()
//-----------------------------------------------------------------------------
F32 LLVOAvatar::getPixelArea() const
{
	if (mIsDummy)
	{
		return 100000.f;
	}
	return mPixelArea;
}


//-----------------------------------------------------------------------------
// LLVOAvatar::getHeadMesh()
//-----------------------------------------------------------------------------
LLPolyMesh*	LLVOAvatar::getHeadMesh()
{
	return mMeshLOD[MESH_ID_HEAD]->mMeshParts[0]->getMesh();
}


//-----------------------------------------------------------------------------
// LLVOAvatar::getUpperBodyMesh()
//-----------------------------------------------------------------------------
LLPolyMesh*	LLVOAvatar::getUpperBodyMesh()
{
	return mMeshLOD[MESH_ID_UPPER_BODY]->mMeshParts[0]->getMesh();
}


//-----------------------------------------------------------------------------
// LLVOAvatar::getPosGlobalFromAgent()
//-----------------------------------------------------------------------------
LLVector3d	LLVOAvatar::getPosGlobalFromAgent(const LLVector3 &position)
{
	return gAgent.getPosGlobalFromAgent(position);
}

//-----------------------------------------------------------------------------
// getPosAgentFromGlobal()
//-----------------------------------------------------------------------------
LLVector3	LLVOAvatar::getPosAgentFromGlobal(const LLVector3d &position)
{
	return gAgent.getPosAgentFromGlobal(position);
}

//-----------------------------------------------------------------------------
// allocateCharacterJoints()
//-----------------------------------------------------------------------------
BOOL LLVOAvatar::allocateCharacterJoints( U32 num )
{
	deleteAndClearArray(mSkeleton);
	mNumJoints = 0;

	mSkeleton = new LLViewerJoint[num];
	
	for(S32 joint_num = 0; joint_num < (S32)num; joint_num++)
	{
		mSkeleton[joint_num].setJointNum(joint_num);
	}

	if (!mSkeleton)
	{
		return FALSE;
	}

	mNumJoints = num;
	return TRUE;
}

//-----------------------------------------------------------------------------
// allocateCollisionVolumes()
//-----------------------------------------------------------------------------
BOOL LLVOAvatar::allocateCollisionVolumes( U32 num )
{
	deleteAndClearArray(mCollisionVolumes);
	mNumCollisionVolumes = 0;

	mCollisionVolumes = new LLViewerJointCollisionVolume[num];
	if (!mCollisionVolumes)
	{
		return FALSE;
	}

	mNumCollisionVolumes = num;
	return TRUE;
}


//-----------------------------------------------------------------------------
// getCharacterJoint()
//-----------------------------------------------------------------------------
LLJoint *LLVOAvatar::getCharacterJoint( U32 num )
{
	if ((S32)num >= mNumJoints 
	    || (S32)num < 0)
	{
		return NULL;
	}
	return (LLJoint*)&mSkeleton[num];
}

//-----------------------------------------------------------------------------
// requestStopMotion()
//-----------------------------------------------------------------------------
// virtual
void LLVOAvatar::requestStopMotion( LLMotion* motion )
{
	// Only agent avatars should handle the stop motion notifications.
}

//-----------------------------------------------------------------------------
// loadAvatar()
//-----------------------------------------------------------------------------
static LLFastTimer::DeclareTimer FTM_LOAD_AVATAR("Load Avatar");

BOOL LLVOAvatar::loadAvatar()
{
// 	LLFastTimer t(FTM_LOAD_AVATAR);
	
	// avatar_skeleton.xml
	if( !buildSkeleton(sAvatarSkeletonInfo) )
	{
		llwarns << "avatar file: buildSkeleton() failed" << llendl;
		return FALSE;
	}

	// avatar_lad.xml : <skeleton>
	if( !loadSkeletonNode() )
	{
		llwarns << "avatar file: loadNodeSkeleton() failed" << llendl;
		return FALSE;
	}
	
	// avatar_lad.xml : <mesh>
	if( !loadMeshNodes() )
	{
		llwarns << "avatar file: loadNodeMesh() failed" << llendl;
		return FALSE;
	}
	
	// avatar_lad.xml : <global_color>
	if( sAvatarXmlInfo->mTexSkinColorInfo )
	{
		mTexSkinColor = new LLTexGlobalColor( this );
		if( !mTexSkinColor->setInfo( sAvatarXmlInfo->mTexSkinColorInfo ) )
		{
			llwarns << "avatar file: mTexSkinColor->setInfo() failed" << llendl;
			return FALSE;
		}
	}
	else
	{
		llwarns << "<global_color> name=\"skin_color\" not found" << llendl;
		return FALSE;
	}
	if( sAvatarXmlInfo->mTexHairColorInfo )
	{
		mTexHairColor = new LLTexGlobalColor( this );
		if( !mTexHairColor->setInfo( sAvatarXmlInfo->mTexHairColorInfo ) )
		{
			llwarns << "avatar file: mTexHairColor->setInfo() failed" << llendl;
			return FALSE;
		}
	}
	else
	{
		llwarns << "<global_color> name=\"hair_color\" not found" << llendl;
		return FALSE;
	}
	if( sAvatarXmlInfo->mTexEyeColorInfo )
	{
		mTexEyeColor = new LLTexGlobalColor( this );
		if( !mTexEyeColor->setInfo( sAvatarXmlInfo->mTexEyeColorInfo ) )
		{
			llwarns << "avatar file: mTexEyeColor->setInfo() failed" << llendl;
			return FALSE;
		}
	}
	else
	{
		llwarns << "<global_color> name=\"eye_color\" not found" << llendl;
		return FALSE;
	}
	
	// avatar_lad.xml : <layer_set>
	if (sAvatarXmlInfo->mLayerInfoList.empty())
	{
		llwarns << "avatar file: missing <layer_set> node" << llendl;
		return FALSE;
	}

	if (sAvatarXmlInfo->mMorphMaskInfoList.empty())
	{
		llwarns << "avatar file: missing <morph_masks> node" << llendl;
		return FALSE;
	}

	// avatar_lad.xml : <morph_masks>
	for (LLVOAvatarXmlInfo::morph_info_list_t::iterator iter = sAvatarXmlInfo->mMorphMaskInfoList.begin();
		 iter != sAvatarXmlInfo->mMorphMaskInfoList.end();
		 ++iter)
	{
		LLVOAvatarXmlInfo::LLVOAvatarMorphInfo *info = *iter;

		EBakedTextureIndex baked = LLVOAvatarDictionary::findBakedByRegionName(info->mRegion); 
		if (baked != BAKED_NUM_INDICES)
		{
			LLPolyMorphTarget *morph_param;
			const std::string *name = &info->mName;
			morph_param = (LLPolyMorphTarget *)(getVisualParam(name->c_str()));
			if (morph_param)
			{
				BOOL invert = info->mInvert;
				addMaskedMorph(baked, morph_param, invert, info->mLayer);
			}
		}

	}

	loadLayersets();	
	
	// avatar_lad.xml : <driver_parameters>
	for (LLVOAvatarXmlInfo::driver_info_list_t::iterator iter = sAvatarXmlInfo->mDriverInfoList.begin();
		 iter != sAvatarXmlInfo->mDriverInfoList.end(); 
		 ++iter)
	{
		LLDriverParamInfo *info = *iter;
		LLDriverParam* driver_param = new LLDriverParam( this );
		if (driver_param->setInfo(info))
		{
			addVisualParam( driver_param );
			LLVisualParam*(LLVOAvatar::*avatar_function)(S32)const = &LLVOAvatar::getVisualParam; 
			if( !driver_param->linkDrivenParams(boost::bind(avatar_function,(LLVOAvatar*)this,_1 ), false))
			{
				llwarns << "could not link driven params for avatar " << this->getFullname() << " id: " << driver_param->getID() << llendl;
				continue;
			}
		}
		else
		{
			delete driver_param;
			llwarns << "avatar file: driver_param->parseData() failed" << llendl;
			return FALSE;
		}
	}

	
	return TRUE;
}

//-----------------------------------------------------------------------------
// loadSkeletonNode(): loads <skeleton> node from XML tree
//-----------------------------------------------------------------------------
BOOL LLVOAvatar::loadSkeletonNode ()
{
	mRoot.addChild( &mSkeleton[0] );

	for (std::vector<LLViewerJoint *>::iterator iter = mMeshLOD.begin();
		 iter != mMeshLOD.end(); 
		 ++iter)
	{
		LLViewerJoint *joint = (LLViewerJoint *) *iter;
		joint->mUpdateXform = FALSE;
		joint->setMeshesToChildren();
	}

	mRoot.addChild(mMeshLOD[MESH_ID_HEAD]);
	mRoot.addChild(mMeshLOD[MESH_ID_EYELASH]);
	mRoot.addChild(mMeshLOD[MESH_ID_UPPER_BODY]);
	mRoot.addChild(mMeshLOD[MESH_ID_LOWER_BODY]);
	mRoot.addChild(mMeshLOD[MESH_ID_SKIRT]);
	mRoot.addChild(mMeshLOD[MESH_ID_HEAD]);

	LLViewerJoint *skull = (LLViewerJoint*)mRoot.findJoint("mSkull");
	if (skull)
	{
		skull->addChild(mMeshLOD[MESH_ID_HAIR] );
	}

	LLViewerJoint *eyeL = (LLViewerJoint*)mRoot.findJoint("mEyeLeft");
	if (eyeL)
	{
		eyeL->addChild( mMeshLOD[MESH_ID_EYEBALL_LEFT] );
	}

	LLViewerJoint *eyeR = (LLViewerJoint*)mRoot.findJoint("mEyeRight");
	if (eyeR)
	{
		eyeR->addChild( mMeshLOD[MESH_ID_EYEBALL_RIGHT] );
	}

	// SKELETAL DISTORTIONS
	{
		LLVOAvatarXmlInfo::skeletal_distortion_info_list_t::iterator iter;
		for (iter = sAvatarXmlInfo->mSkeletalDistortionInfoList.begin();
			 iter != sAvatarXmlInfo->mSkeletalDistortionInfoList.end(); 
			 ++iter)
		{
			LLPolySkeletalDistortionInfo *info = *iter;
			LLPolySkeletalDistortion *param = new LLPolySkeletalDistortion(this);
			if (!param->setInfo(info))
			{
				delete param;
				return FALSE;
			}
			else
			{
				addVisualParam(param);
			}				
		}
	}
	
	// ATTACHMENTS
	{
		LLVOAvatarXmlInfo::attachment_info_list_t::iterator iter;
		for (iter = sAvatarXmlInfo->mAttachmentInfoList.begin();
			 iter != sAvatarXmlInfo->mAttachmentInfoList.end(); 
			 ++iter)
		{
			LLVOAvatarXmlInfo::LLVOAvatarAttachmentInfo *info = *iter;
			if (!isSelf() && info->mJointName == "mScreen")
			{ //don't process screen joint for other avatars
				continue;
			}

			LLViewerJointAttachment* attachment = new LLViewerJointAttachment();

			attachment->setName(info->mName);
			LLJoint *parentJoint = getJoint(info->mJointName);
			if (!parentJoint)
			{
				llwarns << "No parent joint by name " << info->mJointName << " found for attachment point " << info->mName << llendl;
				delete attachment;
				continue;
			}

			if (info->mHasPosition)
			{
				attachment->setOriginalPosition(info->mPosition);
			}

			if (info->mHasRotation)
			{
				LLQuaternion rotation;
				rotation.setQuat(info->mRotationEuler.mV[VX] * DEG_TO_RAD,
								 info->mRotationEuler.mV[VY] * DEG_TO_RAD,
								 info->mRotationEuler.mV[VZ] * DEG_TO_RAD);
				attachment->setRotation(rotation);
			}

			int group = info->mGroup;
			if (group >= 0)
			{
				if (group < 0 || group >= 9)
				{
					llwarns << "Invalid group number (" << group << ") for attachment point " << info->mName << llendl;
				}
				else
				{
					attachment->setGroup(group);
				}
			}

			S32 attachmentID = info->mAttachmentID;
			if (attachmentID < 1 || attachmentID > 255)
			{
				llwarns << "Attachment point out of range [1-255]: " << attachmentID << " on attachment point " << info->mName << llendl;
				delete attachment;
				continue;
			}
			if (mAttachmentPoints.find(attachmentID) != mAttachmentPoints.end())
			{
				llwarns << "Attachment point redefined with id " << attachmentID << " on attachment point " << info->mName << llendl;
				delete attachment;
				continue;
			}

			attachment->setPieSlice(info->mPieMenuSlice);
			attachment->setVisibleInFirstPerson(info->mVisibleFirstPerson);
			attachment->setIsHUDAttachment(info->mIsHUDAttachment);

			mAttachmentPoints[attachmentID] = attachment;

			// now add attachment joint
			parentJoint->addChild(attachment);
		}
	}

	return TRUE;
}

//-----------------------------------------------------------------------------
// loadMeshNodes(): loads <mesh> nodes from XML tree
//-----------------------------------------------------------------------------
BOOL LLVOAvatar::loadMeshNodes()
{
	for (LLVOAvatarXmlInfo::mesh_info_list_t::const_iterator meshinfo_iter = sAvatarXmlInfo->mMeshInfoList.begin();
		 meshinfo_iter != sAvatarXmlInfo->mMeshInfoList.end(); 
		 ++meshinfo_iter)
	{
		const LLVOAvatarXmlInfo::LLVOAvatarMeshInfo *info = *meshinfo_iter;
		const std::string &type = info->mType;
		S32 lod = info->mLOD;

		LLViewerJointMesh* mesh = NULL;
		U8 mesh_id = 0;
		BOOL found_mesh_id = FALSE;

		/* if (type == "hairMesh")
			switch(lod)
			  case 0:
				mesh = &mHairMesh0; */
		for (LLVOAvatarDictionary::Meshes::const_iterator mesh_iter = LLVOAvatarDictionary::getInstance()->getMeshes().begin();
			 mesh_iter != LLVOAvatarDictionary::getInstance()->getMeshes().end();
			 ++mesh_iter)
		{
			const EMeshIndex mesh_index = mesh_iter->first;
			const LLVOAvatarDictionary::MeshEntry *mesh_dict = mesh_iter->second;
			if (type.compare(mesh_dict->mName) == 0)
			{
				mesh_id = mesh_index;
				found_mesh_id = TRUE;
				break;
			}
		}

		if (found_mesh_id)
		{
			if (lod < (S32)mMeshLOD[mesh_id]->mMeshParts.size())
			{
				mesh = mMeshLOD[mesh_id]->mMeshParts[lod];
			}
			else
			{
				llwarns << "Avatar file: <mesh> has invalid lod setting " << lod << llendl;
				return FALSE;
			}
		}
		else 
		{
			llwarns << "Ignoring unrecognized mesh type: " << type << llendl;
			return FALSE;
		}

		//	llinfos << "Parsing mesh data for " << type << "..." << llendl;

		// If this isn't set to white (1.0), avatars will *ALWAYS* be darker than their surroundings.
		// Do not touch!!!
		mesh->setColor( 1.0f, 1.0f, 1.0f, 1.0f );

		LLPolyMesh *poly_mesh = NULL;

		if (!info->mReferenceMeshName.empty())
		{
			polymesh_map_t::const_iterator polymesh_iter = mMeshes.find(info->mReferenceMeshName);
			if (polymesh_iter != mMeshes.end())
			{
				poly_mesh = LLPolyMesh::getMesh(info->mMeshFileName, polymesh_iter->second);
				poly_mesh->setAvatar(this);
			}
			else
			{
				// This should never happen
				LL_WARNS("Avatar") << "Could not find avatar mesh: " << info->mReferenceMeshName << LL_ENDL;
			}
		}
		else
		{
			poly_mesh = LLPolyMesh::getMesh(info->mMeshFileName);
			poly_mesh->setAvatar(this);
		}

		if( !poly_mesh )
		{
			llwarns << "Failed to load mesh of type " << type << llendl;
			return FALSE;
		}

		// Multimap insert
		mMeshes.insert(std::make_pair(info->mMeshFileName, poly_mesh));
	
		mesh->setMesh( poly_mesh );
		mesh->setLOD( info->mMinPixelArea );

		for (LLVOAvatarXmlInfo::LLVOAvatarMeshInfo::morph_info_list_t::const_iterator xmlinfo_iter = info->mPolyMorphTargetInfoList.begin();
			 xmlinfo_iter != info->mPolyMorphTargetInfoList.end(); 
			 ++xmlinfo_iter)
		{
			const LLVOAvatarXmlInfo::LLVOAvatarMeshInfo::morph_info_pair_t *info_pair = &(*xmlinfo_iter);
			LLPolyMorphTarget *param = new LLPolyMorphTarget(mesh->getMesh());
			if (!param->setInfo(info_pair->first))
			{
				delete param;
				return FALSE;
			}
			else
			{
				if (info_pair->second)
				{
					addSharedVisualParam(param);
				}
				else
				{
					addVisualParam(param);
				}
			}				
		}
	}

	return TRUE;
}

//-----------------------------------------------------------------------------
// loadLayerSets()
//-----------------------------------------------------------------------------
BOOL LLVOAvatar::loadLayersets()
{
	BOOL success = TRUE;
	for (LLVOAvatarXmlInfo::layer_info_list_t::const_iterator layerset_iter = sAvatarXmlInfo->mLayerInfoList.begin();
		 layerset_iter != sAvatarXmlInfo->mLayerInfoList.end(); 
		 ++layerset_iter)
	{
		// Construct a layerset for each one specified in avatar_lad.xml and initialize it as such.
		LLTexLayerSetInfo *layerset_info = *layerset_iter;
		layerset_info->createVisualParams(this);
	}
	return success;
}

//-----------------------------------------------------------------------------
// updateVisualParams()
//-----------------------------------------------------------------------------
void LLVOAvatar::updateVisualParams()
{
	setSex( (getVisualParamWeight( "male" ) > 0.5f) ? SEX_MALE : SEX_FEMALE );

	LLCharacter::updateVisualParams();

	if (mLastSkeletonSerialNum != mSkeletonSerialNum)
	{
		computeBodySize();
		mLastSkeletonSerialNum = mSkeletonSerialNum;
		mRoot.updateWorldMatrixChildren();
	}

	dirtyMesh();
	updateHeadOffset();
}

//-----------------------------------------------------------------------------
// isActive()
//-----------------------------------------------------------------------------
BOOL LLVOAvatar::isActive() const
{
	return TRUE;
}

//-----------------------------------------------------------------------------
// setPixelAreaAndAngle()
//-----------------------------------------------------------------------------
void LLVOAvatar::setPixelAreaAndAngle(LLAgent &agent)
{
	LLMemType mt(LLMemType::MTYPE_AVATAR);

	if (mDrawable.isNull())
	{
		return;
	}

	const LLVector4a* ext = mDrawable->getSpatialExtents();
	LLVector4a center;
	center.setAdd(ext[1], ext[0]);
	center.mul(0.5f);
	LLVector4a size;
	size.setSub(ext[1], ext[0]);
	size.mul(0.5f);

	mImpostorPixelArea = LLPipeline::calcPixelArea(center, size, *LLViewerCamera::getInstance());

	F32 range = mDrawable->mDistanceWRTCamera;

	if (range < 0.001f)		// range == zero
	{
		mAppAngle = 180.f;
	}
	else
	{
		F32 radius = size.getLength3().getF32();
		mAppAngle = (F32) atan2( radius, range) * RAD_TO_DEG;
	}

	// We always want to look good to ourselves
	if( isSelf() )
	{
		mPixelArea = llmax( mPixelArea, F32(getTexImageSize() / 16) );
	}
}

//-----------------------------------------------------------------------------
// updateJointLODs()
//-----------------------------------------------------------------------------
BOOL LLVOAvatar::updateJointLODs()
{
	const F32 MAX_PIXEL_AREA = 100000000.f;
	F32 lod_factor = (sLODFactor * AVATAR_LOD_TWEAK_RANGE + (1.f - AVATAR_LOD_TWEAK_RANGE));
	F32 avatar_num_min_factor = clamp_rescale(sLODFactor, 0.f, 1.f, 0.25f, 0.6f);
	F32 avatar_num_factor = clamp_rescale((F32)sNumVisibleAvatars, 8, 25, 1.f, avatar_num_min_factor);
	F32 area_scale = 0.16f;

		if (isSelf())
		{
			if(gAgentCamera.cameraCustomizeAvatar() || gAgentCamera.cameraMouselook())
			{
				mAdjustedPixelArea = MAX_PIXEL_AREA;
			}
			else
			{
				mAdjustedPixelArea = mPixelArea*area_scale;
			}
		}
		else if (mIsDummy)
		{
			mAdjustedPixelArea = MAX_PIXEL_AREA;
		}
		else
		{
			// reported avatar pixel area is dependent on avatar render load, based on number of visible avatars
			mAdjustedPixelArea = (F32)mPixelArea * area_scale * lod_factor * lod_factor * avatar_num_factor * avatar_num_factor;
		}

		// now select meshes to render based on adjusted pixel area
		BOOL res = mRoot.updateLOD(mAdjustedPixelArea, TRUE);
 		if (res)
		{
			sNumLODChangesThisFrame++;
			dirtyMesh(2);
			return TRUE;
		}

	return FALSE;
}

//-----------------------------------------------------------------------------
// createDrawable()
//-----------------------------------------------------------------------------
LLDrawable *LLVOAvatar::createDrawable(LLPipeline *pipeline)
{
	pipeline->allocDrawable(this);
	mDrawable->setLit(FALSE);

	LLDrawPoolAvatar *poolp = (LLDrawPoolAvatar*) gPipeline.getPool(LLDrawPool::POOL_AVATAR);

	// Only a single face (one per avatar)
	//this face will be splitted into several if its vertex buffer is too long.
	mDrawable->setState(LLDrawable::ACTIVE);
	mDrawable->addFace(poolp, NULL);
	mDrawable->setRenderType(LLPipeline::RENDER_TYPE_AVATAR);
	
	mNumInitFaces = mDrawable->getNumFaces() ;

	dirtyMesh(2);
	return mDrawable;
}


void LLVOAvatar::updateGL()
{
	if (mMeshTexturesDirty)
	{
		updateMeshTextures();
		mMeshTexturesDirty = FALSE;
	}
}

//-----------------------------------------------------------------------------
// updateGeometry()
//-----------------------------------------------------------------------------
static LLFastTimer::DeclareTimer FTM_UPDATE_AVATAR("Update Avatar");
BOOL LLVOAvatar::updateGeometry(LLDrawable *drawable)
{
	LLFastTimer ftm(FTM_UPDATE_AVATAR);
 	if (!(gPipeline.hasRenderType(LLPipeline::RENDER_TYPE_AVATAR)))
	{
		return TRUE;
	}
	
	if (!mMeshValid)
	{
		return TRUE;
	}

	if (!drawable)
	{
		llerrs << "LLVOAvatar::updateGeometry() called with NULL drawable" << llendl;
	}

	return TRUE;
}

//-----------------------------------------------------------------------------
// updateSexDependentLayerSets()
//-----------------------------------------------------------------------------
void LLVOAvatar::updateSexDependentLayerSets( BOOL upload_bake )
{
	invalidateComposite( mBakedTextureDatas[BAKED_HEAD].mTexLayerSet, upload_bake );
	invalidateComposite( mBakedTextureDatas[BAKED_UPPER].mTexLayerSet, upload_bake );
	invalidateComposite( mBakedTextureDatas[BAKED_LOWER].mTexLayerSet, upload_bake );
}

//-----------------------------------------------------------------------------
// dirtyMesh()
//-----------------------------------------------------------------------------
void LLVOAvatar::dirtyMesh()
{
	dirtyMesh(1);
}
void LLVOAvatar::dirtyMesh(S32 priority)
{
	mDirtyMesh = llmax(mDirtyMesh, priority);
}
//-----------------------------------------------------------------------------
// hideSkirt()
//-----------------------------------------------------------------------------
void LLVOAvatar::hideSkirt()
{
	mMeshLOD[MESH_ID_SKIRT]->setVisible(FALSE, TRUE);
}

BOOL LLVOAvatar::setParent(LLViewerObject* parent)
{
	BOOL ret ;
	if (parent == NULL)
	{
		getOffObject();
		ret = LLViewerObject::setParent(parent);
		if (isSelf())
		{
			gAgentCamera.resetCamera();
		}
	}
	else
	{
		ret = LLViewerObject::setParent(parent);
		if(ret)
		{
			sitOnObject(parent);
		}
	}
	return ret ;
}

void LLVOAvatar::addChild(LLViewerObject *childp)
{
	childp->extractAttachmentItemID(); // find the inventory item this object is associated with.
	LLViewerObject::addChild(childp);
	if (childp->mDrawable)
	{
		attachObject(childp);
	}
	else
	{
		mPendingAttachment.push_back(childp);
	}
}

void LLVOAvatar::removeChild(LLViewerObject *childp)
{
	LLViewerObject::removeChild(childp);
	if (!detachObject(childp))
	{
		llwarns << "Calling detach on non-attached object " << llendl;
	}
}

LLViewerJointAttachment* LLVOAvatar::getTargetAttachmentPoint(LLViewerObject* viewer_object)
{
	S32 attachmentID = ATTACHMENT_ID_FROM_STATE(viewer_object->getState());

	// This should never happen unless the server didn't process the attachment point
	// correctly, but putting this check in here to be safe.
	if (attachmentID & ATTACHMENT_ADD)
	{
		llwarns << "Got an attachment with ATTACHMENT_ADD mask, removing ( attach pt:" << attachmentID << " )" << llendl;
		attachmentID &= ~ATTACHMENT_ADD;
	}
	
	LLViewerJointAttachment* attachment = get_if_there(mAttachmentPoints, attachmentID, (LLViewerJointAttachment*)NULL);

	if (!attachment)
	{
		llwarns << "Object attachment point invalid: " << attachmentID << llendl;
		attachment = get_if_there(mAttachmentPoints, 1, (LLViewerJointAttachment*)NULL); // Arbitrary using 1 (chest)
	}

	return attachment;
}

//-----------------------------------------------------------------------------
// attachObject()
//-----------------------------------------------------------------------------
const LLViewerJointAttachment *LLVOAvatar::attachObject(LLViewerObject *viewer_object)
{
	LLViewerJointAttachment* attachment = getTargetAttachmentPoint(viewer_object);

	if (!attachment || !attachment->addObject(viewer_object))
	{
		return 0;
	}

	if (viewer_object->isSelected())
	{
		LLSelectMgr::getInstance()->updateSelectionCenter();
		LLSelectMgr::getInstance()->updatePointAt();
	}

	return attachment;
}

//-----------------------------------------------------------------------------
// attachObject()
//-----------------------------------------------------------------------------
U32 LLVOAvatar::getNumAttachments() const
{
	U32 num_attachments = 0;
	for (attachment_map_t::const_iterator iter = mAttachmentPoints.begin();
		 iter != mAttachmentPoints.end();
		 ++iter)
	{
		const LLViewerJointAttachment *attachment_pt = (*iter).second;
		num_attachments += attachment_pt->getNumObjects();
	}
	return num_attachments;
}

//-----------------------------------------------------------------------------
// canAttachMoreObjects()
//-----------------------------------------------------------------------------
BOOL LLVOAvatar::canAttachMoreObjects() const
{
	return (getNumAttachments() < MAX_AGENT_ATTACHMENTS);
}

//-----------------------------------------------------------------------------
// canAttachMoreObjects()
// Returns true if we can attach <n> more objects.
//-----------------------------------------------------------------------------
BOOL LLVOAvatar::canAttachMoreObjects(U32 n) const
{
	return (getNumAttachments() + n) <= MAX_AGENT_ATTACHMENTS;
}

//-----------------------------------------------------------------------------
// lazyAttach()
//-----------------------------------------------------------------------------
void LLVOAvatar::lazyAttach()
{
	std::vector<LLPointer<LLViewerObject> > still_pending;
	
	for (U32 i = 0; i < mPendingAttachment.size(); i++)
	{
		if (mPendingAttachment[i]->mDrawable)
		{
			attachObject(mPendingAttachment[i]);
		}
		else
		{
			still_pending.push_back(mPendingAttachment[i]);
		}
	}

	mPendingAttachment = still_pending;
}

void LLVOAvatar::resetHUDAttachments()
{
	for (attachment_map_t::iterator iter = mAttachmentPoints.begin(); 
		 iter != mAttachmentPoints.end();
		 ++iter)
	{
		LLViewerJointAttachment* attachment = iter->second;
		if (attachment->getIsHUDAttachment())
		{
			for (LLViewerJointAttachment::attachedobjs_vec_t::iterator attachment_iter = attachment->mAttachedObjects.begin();
				 attachment_iter != attachment->mAttachedObjects.end();
				 ++attachment_iter)
			{
				const LLViewerObject* attached_object = (*attachment_iter);
				if (attached_object && attached_object->mDrawable.notNull())
				{
					gPipeline.markMoved(attached_object->mDrawable);
				}
			}
		}
	}
}

void LLVOAvatar::rebuildRiggedAttachments( void )
{
	for ( attachment_map_t::iterator iter = mAttachmentPoints.begin(); iter != mAttachmentPoints.end(); ++iter )
	{
		LLViewerJointAttachment* pAttachment = iter->second;
		LLViewerJointAttachment::attachedobjs_vec_t::iterator attachmentIterEnd = pAttachment->mAttachedObjects.end();
		
		for ( LLViewerJointAttachment::attachedobjs_vec_t::iterator attachmentIter = pAttachment->mAttachedObjects.begin();
			 attachmentIter != attachmentIterEnd; ++attachmentIter)
		{
			const LLViewerObject* pAttachedObject =  *attachmentIter;
			if ( pAttachment && pAttachedObject->mDrawable.notNull() )
			{
				gPipeline.markRebuild(pAttachedObject->mDrawable);
			}
		}
	}
}
//-----------------------------------------------------------------------------
// cleanupAttachedMesh()
//-----------------------------------------------------------------------------
void LLVOAvatar::cleanupAttachedMesh( LLViewerObject* pVO )
{
	//If a VO has a skin that we'll reset the joint positions to their default
	if ( pVO && pVO->mDrawable )
	{
		LLVOVolume* pVObj = pVO->mDrawable->getVOVolume();
		if ( pVObj )
		{
			const LLMeshSkinInfo* pSkinData = gMeshRepo.getSkinInfo( pVObj->getVolume()->getParams().getSculptID(), pVObj );
			if (pSkinData 
				&& pSkinData->mJointNames.size() > 20				// full rig
				&& pSkinData->mAlternateBindMatrix.size() > 0)
					{
						LLVOAvatar::resetJointPositionsToDefault();
						//Need to handle the repositioning of the cam, updating rig data etc during outfit editing 
						//This handles the case where we detach a replacement rig.
						if ( gAgentCamera.cameraCustomizeAvatar() )
						{
							gAgent.unpauseAnimation();
							//Still want to refocus on head bone
							gAgentCamera.changeCameraToCustomizeAvatar();
						}
					}
				}
			}				
		}
//-----------------------------------------------------------------------------
// detachObject()
//-----------------------------------------------------------------------------
BOOL LLVOAvatar::detachObject(LLViewerObject *viewer_object)
{
	for (attachment_map_t::iterator iter = mAttachmentPoints.begin(); 
		 iter != mAttachmentPoints.end();
		 ++iter)
	{
		LLViewerJointAttachment* attachment = iter->second;
		
		if (attachment->isObjectAttached(viewer_object))
		{
			cleanupAttachedMesh( viewer_object );
			attachment->removeObject(viewer_object);
			lldebugs << "Detaching object " << viewer_object->mID << " from " << attachment->getName() << llendl;
			return TRUE;
		}
	}

	std::vector<LLPointer<LLViewerObject> >::iterator iter = std::find(mPendingAttachment.begin(), mPendingAttachment.end(), viewer_object);
	if (iter != mPendingAttachment.end())
	{
		mPendingAttachment.erase(iter);
		return TRUE;
	}
	
	return FALSE;
}

//-----------------------------------------------------------------------------
// sitDown()
//-----------------------------------------------------------------------------
void LLVOAvatar::sitDown(BOOL bSitting)
{
	mIsSitting = bSitting;
	if (isSelf())
	{
		// Update Movement Controls according to own Sitting mode
		LLFloaterMove::setSittingMode(bSitting);
	}
}

//-----------------------------------------------------------------------------
// sitOnObject()
//-----------------------------------------------------------------------------
void LLVOAvatar::sitOnObject(LLViewerObject *sit_object)
{
	if (isSelf())
	{
		// Might be first sit
		//LLFirstUse::useSit();

		gAgent.setFlying(FALSE);
		gAgentCamera.setThirdPersonHeadOffset(LLVector3::zero);
		//interpolate to new camera position
		gAgentCamera.startCameraAnimation();
		// make sure we are not trying to autopilot
		gAgent.stopAutoPilot();
		gAgentCamera.setupSitCamera();
		if (gAgentCamera.getForceMouselook())
		{
			gAgentCamera.changeCameraToMouselook();
		}
	}

	if (mDrawable.isNull())
	{
		return;
	}
	LLQuaternion inv_obj_rot = ~sit_object->getRenderRotation();
	LLVector3 obj_pos = sit_object->getRenderPosition();

	LLVector3 rel_pos = getRenderPosition() - obj_pos;
	rel_pos.rotVec(inv_obj_rot);

	mDrawable->mXform.setPosition(rel_pos);
	mDrawable->mXform.setRotation(mDrawable->getWorldRotation() * inv_obj_rot);

	gPipeline.markMoved(mDrawable, TRUE);
	// Notice that removing sitDown() from here causes avatars sitting on
	// objects to be not rendered for new arrivals. See EXT-6835 and EXT-1655.
	sitDown(TRUE);
	mRoot.getXform()->setParent(&sit_object->mDrawable->mXform); // LLVOAvatar::sitOnObject
	mRoot.setPosition(getPosition());
	mRoot.updateWorldMatrixChildren();

	stopMotion(ANIM_AGENT_BODY_NOISE);

}

//-----------------------------------------------------------------------------
// getOffObject()
//-----------------------------------------------------------------------------
void LLVOAvatar::getOffObject()
{
	if (mDrawable.isNull())
	{
		return;
	}
	
	LLViewerObject* sit_object = (LLViewerObject*)getParent();

	if (sit_object) 
	{
		stopMotionFromSource(sit_object->getID());
		LLFollowCamMgr::setCameraActive(sit_object->getID(), FALSE);

		LLViewerObject::const_child_list_t& child_list = sit_object->getChildren();
		for (LLViewerObject::child_list_t::const_iterator iter = child_list.begin();
			 iter != child_list.end(); ++iter)
		{
			LLViewerObject* child_objectp = *iter;

			stopMotionFromSource(child_objectp->getID());
			LLFollowCamMgr::setCameraActive(child_objectp->getID(), FALSE);
		}
	}

	// assumes that transform will not be updated with drawable still having a parent
	LLVector3 cur_position_world = mDrawable->getWorldPosition();
	LLQuaternion cur_rotation_world = mDrawable->getWorldRotation();

	// set *local* position based on last *world* position, since we're unparenting the avatar
	mDrawable->mXform.setPosition(cur_position_world);
	mDrawable->mXform.setRotation(cur_rotation_world);	
	
	gPipeline.markMoved(mDrawable, TRUE);

	sitDown(FALSE);

	mRoot.getXform()->setParent(NULL); // LLVOAvatar::getOffObject
	mRoot.setPosition(cur_position_world);
	mRoot.setRotation(cur_rotation_world);
	mRoot.getXform()->update();

	startMotion(ANIM_AGENT_BODY_NOISE);

	if (isSelf())
	{
		LLQuaternion av_rot = gAgent.getFrameAgent().getQuaternion();
		LLQuaternion obj_rot = sit_object ? sit_object->getRenderRotation() : LLQuaternion::DEFAULT;
		av_rot = av_rot * obj_rot;
		LLVector3 at_axis = LLVector3::x_axis;
		at_axis = at_axis * av_rot;
		at_axis.mV[VZ] = 0.f;
		at_axis.normalize();
		gAgent.resetAxes(at_axis);
		gAgentCamera.setThirdPersonHeadOffset(LLVector3(0.f, 0.f, 1.f));
		gAgentCamera.setSitCamera(LLUUID::null);
	}
}

//-----------------------------------------------------------------------------
// findAvatarFromAttachment()
//-----------------------------------------------------------------------------
// static 
LLVOAvatar* LLVOAvatar::findAvatarFromAttachment( LLViewerObject* obj )
{
	if( obj->isAttachment() )
	{
		do
		{
			obj = (LLViewerObject*) obj->getParent();
		}
		while( obj && !obj->isAvatar() );

		if( obj && !obj->isDead() )
		{
			return (LLVOAvatar*)obj;
		}
	}
	return NULL;
}

// warning: order(N) not order(1)
S32 LLVOAvatar::getAttachmentCount()
{
	S32 count = mAttachmentPoints.size();
	return count;
}

LLColor4 LLVOAvatar::getGlobalColor( const std::string& color_name ) const
{
	if (color_name=="skin_color" && mTexSkinColor)
	{
		return mTexSkinColor->getColor();
	}
	else if(color_name=="hair_color" && mTexHairColor)
	{
		return mTexHairColor->getColor();
	}
	if(color_name=="eye_color" && mTexEyeColor)
	{
		return mTexEyeColor->getColor();
	}
	else
	{
		return LLColor4( 0.f, 1.f, 1.f, 1.f ); // good debugging color
	}
}

// virtual
void LLVOAvatar::invalidateComposite( LLTexLayerSet* layerset, BOOL upload_result )
{
}

void LLVOAvatar::invalidateAll()
{
}

void LLVOAvatar::onGlobalColorChanged(const LLTexGlobalColor* global_color, BOOL upload_bake )
{
	if (global_color == mTexSkinColor)
	{
		invalidateComposite( mBakedTextureDatas[BAKED_HEAD].mTexLayerSet, upload_bake );
		invalidateComposite( mBakedTextureDatas[BAKED_UPPER].mTexLayerSet, upload_bake );
		invalidateComposite( mBakedTextureDatas[BAKED_LOWER].mTexLayerSet, upload_bake );
	}
	else if (global_color == mTexHairColor)
	{
		invalidateComposite( mBakedTextureDatas[BAKED_HEAD].mTexLayerSet, upload_bake );
		invalidateComposite( mBakedTextureDatas[BAKED_HAIR].mTexLayerSet, upload_bake );
		
		// ! BACKWARDS COMPATIBILITY !
		// Fix for dealing with avatars from viewers that don't bake hair.
		if (!isTextureDefined(mBakedTextureDatas[BAKED_HAIR].mTextureIndex))
		{
			LLColor4 color = mTexHairColor->getColor();
			for (U32 i = 0; i < mBakedTextureDatas[BAKED_HAIR].mMeshes.size(); i++)
			{
				mBakedTextureDatas[BAKED_HAIR].mMeshes[i]->setColor( color.mV[VX], color.mV[VY], color.mV[VZ], color.mV[VW] );
			}
		}
	} 
	else if (global_color == mTexEyeColor)
	{
//		llinfos << "invalidateComposite cause: onGlobalColorChanged( eyecolor )" << llendl; 
		invalidateComposite( mBakedTextureDatas[BAKED_EYES].mTexLayerSet,  upload_bake );
	}
	updateMeshTextures();
}

BOOL LLVOAvatar::isVisible() const
{
	return mDrawable.notNull()
		&& (mDrawable->isVisible() || mIsDummy);
}

// Determine if we have enough avatar data to render
BOOL LLVOAvatar::getIsCloud() const
{
	// Do we have a shape?
	if ((const_cast<LLVOAvatar*>(this))->visualParamWeightsAreDefault())
	{
		return TRUE;
	}

	if (!isTextureDefined(TEX_LOWER_BAKED) || 
		!isTextureDefined(TEX_UPPER_BAKED) || 
		!isTextureDefined(TEX_HEAD_BAKED))
	{
		return TRUE;
	}

	if (isTooComplex())
	{
		return TRUE;
	}
	return FALSE;
}

void LLVOAvatar::updateRezzedStatusTimers()
{
	// State machine for rezzed status. Statuses are 0 = cloud, 1 = gray, 2 = textured.
	// Purpose is to collect time data for each period of cloud or cloud+gray.
	S32 rez_status = getRezzedStatus();
	if (rez_status != mLastRezzedStatus)
	{
		LL_DEBUGS("Avatar") << avString() << "rez state change: " << mLastRezzedStatus << " -> " << rez_status << LL_ENDL;
		bool is_cloud_or_gray = (rez_status==0 || rez_status==1);
		bool was_cloud_or_gray = (mLastRezzedStatus==0 || mLastRezzedStatus==1);
		bool is_cloud = (rez_status==0);
		bool was_cloud = (mLastRezzedStatus==0);

		// Non-cloud to cloud
		if (is_cloud && !was_cloud)
		{
			// start cloud timer.
			getPhases().startPhase("cloud");
		}
		else if (was_cloud && !is_cloud)
		{
			// stop cloud timer, which will capture stats.
			getPhases().stopPhase("cloud");
		}

		// Non-cloud-or-gray to cloud-or-gray
		if (is_cloud_or_gray && !was_cloud_or_gray)
		{
			// start cloud-or-gray timer.
			getPhases().startPhase("cloud-or-gray");
		}
		else if (was_cloud_or_gray && !is_cloud_or_gray)
		{
			// stop cloud-or-gray timer, which will capture stats.
			getPhases().stopPhase("cloud-or-gray");
		}
		
		mLastRezzedStatus = rez_status;
	}
}

// call periodically to keep isFullyLoaded up to date.
// returns true if the value has changed.
BOOL LLVOAvatar::updateIsFullyLoaded()
{
	const BOOL loading = getIsCloud();
	updateRezzedStatusTimers();
	updateRuthTimer(loading);
	return processFullyLoadedChange(loading);
}

void LLVOAvatar::updateRuthTimer(bool loading)
{
	if (isSelf() || !loading) 
	{
		return;
	}

	if (mPreviousFullyLoaded)
	{
		mRuthTimer.reset();
		debugAvatarRezTime("AvatarRezCloudNotification","became cloud");
	}
	
	const F32 LOADING_TIMEOUT__SECONDS = 120.f;
	if (mRuthTimer.getElapsedTimeF32() > LOADING_TIMEOUT__SECONDS)
	{
		LL_DEBUGS("Avatar") << avString()
				<< "Ruth Timer timeout: Missing texture data for '" << getFullname() << "' "
				<< "( Params loaded : " << !visualParamWeightsAreDefault() << " ) "
				<< "( Lower : " << isTextureDefined(TEX_LOWER_BAKED) << " ) "
				<< "( Upper : " << isTextureDefined(TEX_UPPER_BAKED) << " ) "
				<< "( Head : " << isTextureDefined(TEX_HEAD_BAKED) << " )."
				<< LL_ENDL;
		
		LLAvatarPropertiesProcessor::getInstance()->sendAvatarTexturesRequest(getID());
		mRuthTimer.reset();
	}
}

BOOL LLVOAvatar::processFullyLoadedChange(bool loading)
{
	// we wait a little bit before giving the all clear,
	// to let textures settle down
	const F32 PAUSE = 1.f;
	if (loading)
		mFullyLoadedTimer.reset();
	
	mFullyLoaded = (mFullyLoadedTimer.getElapsedTimeF32() > PAUSE);

		if (!mPreviousFullyLoaded && !loading && mFullyLoaded)
		{
		debugAvatarRezTime("AvatarRezNotification","fully loaded");
	}

	// did our loading state "change" from last call?
	// runway - why are we updating every 30 calls even if nothing has changed?
	const S32 UPDATE_RATE = 30;
	BOOL changed =
		((mFullyLoaded != mPreviousFullyLoaded) ||         // if the value is different from the previous call
		 (!mFullyLoadedInitialized) ||                     // if we've never been called before
		 (mFullyLoadedFrameCounter % UPDATE_RATE == 0));   // every now and then issue a change

	mPreviousFullyLoaded = mFullyLoaded;
	mFullyLoadedInitialized = TRUE;
	mFullyLoadedFrameCounter++;
	
	return changed;
}

BOOL LLVOAvatar::isFullyLoaded() const
{
	return (mRenderUnloadedAvatar || mFullyLoaded);
}

bool LLVOAvatar::isTooComplex() const
{
	if (gSavedSettings.getS32("RenderAvatarComplexityLimit") > 0 && mVisualComplexity >= gSavedSettings.getS32("RenderAvatarComplexityLimit"))
	{
		return true;
	}

	return false;
}


//-----------------------------------------------------------------------------
// findMotion()
//-----------------------------------------------------------------------------
LLMotion* LLVOAvatar::findMotion(const LLUUID& id) const
{
	return mMotionController.findMotion(id);
}

//-----------------------------------------------------------------------------
// updateMeshTextures()
// Uses the current TE values to set the meshes' and layersets' textures.
//-----------------------------------------------------------------------------
void LLVOAvatar::updateMeshTextures()
{
    // llinfos << "updateMeshTextures" << llendl;
	// if user has never specified a texture, assign the default
	for (U32 i=0; i < getNumTEs(); i++)
	{
		const LLViewerTexture* te_image = getImage(i, 0);
		if(!te_image || te_image->getID().isNull() || (te_image->getID() == IMG_DEFAULT))
		{
			setImage(i, LLViewerTextureManager::getFetchedTexture(i == TEX_HAIR ? IMG_DEFAULT : IMG_DEFAULT_AVATAR), 0); // IMG_DEFAULT_AVATAR = a special texture that's never rendered.
		}
	}

	const BOOL self_customizing = isSelf() && gAgentCamera.cameraCustomizeAvatar(); // During face edit mode, we don't use baked textures
	const BOOL other_culled = !isSelf() && mCulled;
	LLLoadedCallbackEntry::source_callback_list_t* src_callback_list = NULL ;
	BOOL paused = FALSE;
	if(!isSelf())
	{
		src_callback_list = &mCallbackTextureList ;
		paused = !isVisible();
	}

	std::vector<BOOL> is_layer_baked;
	is_layer_baked.resize(mBakedTextureDatas.size(), false);

	std::vector<BOOL> use_lkg_baked_layer; // lkg = "last known good"
	use_lkg_baked_layer.resize(mBakedTextureDatas.size(), false);

	for (U32 i=0; i < mBakedTextureDatas.size(); i++)
	{
		is_layer_baked[i] = isTextureDefined(mBakedTextureDatas[i].mTextureIndex);

		if (!other_culled)
		{
			// When an avatar is changing clothes and not in Appearance mode,
			// use the last-known good baked texture until it finish the first
			// render of the new layerset.
			const BOOL layerset_invalid = mBakedTextureDatas[i].mTexLayerSet 
										  && ( !mBakedTextureDatas[i].mTexLayerSet->getComposite()->isInitialized()
										  || !mBakedTextureDatas[i].mTexLayerSet->isLocalTextureDataAvailable() );
			use_lkg_baked_layer[i] = (!is_layer_baked[i] 
									  && (mBakedTextureDatas[i].mLastTextureIndex != IMG_DEFAULT_AVATAR) 
									  && layerset_invalid);
			if (use_lkg_baked_layer[i])
			{
				mBakedTextureDatas[i].mTexLayerSet->setUpdatesEnabled(TRUE);
			}
		}
		else
		{
			use_lkg_baked_layer[i] = (!is_layer_baked[i] 
									  && mBakedTextureDatas[i].mLastTextureIndex != IMG_DEFAULT_AVATAR);
			if (mBakedTextureDatas[i].mTexLayerSet)
			{
				mBakedTextureDatas[i].mTexLayerSet->destroyComposite();
			}
		}

	}

	// Turn on alpha masking correctly for yourself and other avatars on 1.23+
	mSupportsAlphaLayers = isSelf() || is_layer_baked[BAKED_HAIR];

	// Baked textures should be requested from the sim this avatar is on. JC
	const LLHost target_host = getObjectHost();
	if (!target_host.isOk())
	{
		llwarns << "updateMeshTextures: invalid host for object: " << getID() << llendl;
	}
	
	for (U32 i=0; i < mBakedTextureDatas.size(); i++)
	{
		if (use_lkg_baked_layer[i] && !self_customizing )
		{
			LLViewerFetchedTexture* baked_img = LLViewerTextureManager::getFetchedTextureFromHost( mBakedTextureDatas[i].mLastTextureIndex, target_host );
			mBakedTextureDatas[i].mIsUsed = TRUE;
			for (U32 k=0; k < mBakedTextureDatas[i].mMeshes.size(); k++)
			{
				mBakedTextureDatas[i].mMeshes[k]->setTexture( baked_img );
			}
		}
		else if (!self_customizing && is_layer_baked[i])
		{
			LLViewerFetchedTexture* baked_img = LLViewerTextureManager::staticCastToFetchedTexture(getImage( mBakedTextureDatas[i].mTextureIndex, 0 ), TRUE) ;
			if( baked_img->getID() == mBakedTextureDatas[i].mLastTextureIndex )
			{
				// Even though the file may not be finished loading, we'll consider it loaded and use it (rather than doing compositing).
				useBakedTexture( baked_img->getID() );
			}
			else
			{
				mBakedTextureDatas[i].mIsLoaded = FALSE;
				if ( (baked_img->getID() != IMG_INVISIBLE) && ((i == BAKED_HEAD) || (i == BAKED_UPPER) || (i == BAKED_LOWER)) )
				{			
					baked_img->setLoadedCallback(onBakedTextureMasksLoaded, MORPH_MASK_REQUESTED_DISCARD, TRUE, TRUE, new LLTextureMaskData( mID ), 
						src_callback_list, paused);	
				}
				baked_img->setLoadedCallback(onBakedTextureLoaded, SWITCH_TO_BAKED_DISCARD, FALSE, FALSE, new LLUUID( mID ), 
					src_callback_list, paused );
			}
		}
		else if (mBakedTextureDatas[i].mTexLayerSet 
				 && !other_culled) 
		{
			mBakedTextureDatas[i].mTexLayerSet->createComposite();
			mBakedTextureDatas[i].mTexLayerSet->setUpdatesEnabled( TRUE );
			mBakedTextureDatas[i].mIsUsed = FALSE;
			for (U32 k=0; k < mBakedTextureDatas[i].mMeshes.size(); k++)
			{
				mBakedTextureDatas[i].mMeshes[k]->setLayerSet( mBakedTextureDatas[i].mTexLayerSet );
			}
		}
	}

	// set texture and color of hair manually if we are not using a baked image.
	// This can happen while loading hair for yourself, or for clients that did not
	// bake a hair texture. Still needed for yourself after 1.22 is depricated.
	if (!is_layer_baked[BAKED_HAIR] || self_customizing)
	{
		const LLColor4 color = mTexHairColor ? mTexHairColor->getColor() : LLColor4(1,1,1,1);
		LLViewerTexture* hair_img = getImage( TEX_HAIR, 0 );
		for (U32 i = 0; i < mBakedTextureDatas[BAKED_HAIR].mMeshes.size(); i++)
		{
			mBakedTextureDatas[BAKED_HAIR].mMeshes[i]->setColor( color.mV[VX], color.mV[VY], color.mV[VZ], color.mV[VW] );
			mBakedTextureDatas[BAKED_HAIR].mMeshes[i]->setTexture( hair_img );
		}
	} 
	
	
	for (LLVOAvatarDictionary::BakedTextures::const_iterator baked_iter = LLVOAvatarDictionary::getInstance()->getBakedTextures().begin();
		 baked_iter != LLVOAvatarDictionary::getInstance()->getBakedTextures().end();
		 ++baked_iter)
	{
		const EBakedTextureIndex baked_index = baked_iter->first;
		const LLVOAvatarDictionary::BakedEntry *baked_dict = baked_iter->second;
		
		for (texture_vec_t::const_iterator local_tex_iter = baked_dict->mLocalTextures.begin();
			 local_tex_iter != baked_dict->mLocalTextures.end();
			 ++local_tex_iter)
		{
			const ETextureIndex texture_index = *local_tex_iter;
			const BOOL is_baked_ready = (is_layer_baked[baked_index] && mBakedTextureDatas[baked_index].mIsLoaded) || other_culled;
			if (isSelf())
			{
				setBakedReady(texture_index, is_baked_ready);
			}
		}
	}
	removeMissingBakedTextures();
}

// virtual
//-----------------------------------------------------------------------------
// setLocalTexture()
//-----------------------------------------------------------------------------
void LLVOAvatar::setLocalTexture( ETextureIndex type, LLViewerTexture* in_tex, BOOL baked_version_ready, U32 index )
{
	// invalid for anyone but self
	llassert(0);
}

//virtual 
void LLVOAvatar::setBakedReady(LLVOAvatarDefines::ETextureIndex type, BOOL baked_version_exists, U32 index)
{
	// invalid for anyone but self
	llassert(0);
}

void LLVOAvatar::addChat(const LLChat& chat)
{
	std::deque<LLChat>::iterator chat_iter;

	mChats.push_back(chat);

	S32 chat_length = 0;
	for( chat_iter = mChats.begin(); chat_iter != mChats.end(); ++chat_iter)
	{
		chat_length += chat_iter->mText.size();
	}

	// remove any excess chat
	chat_iter = mChats.begin();
	while ((chat_length > MAX_BUBBLE_CHAT_LENGTH || mChats.size() > MAX_BUBBLE_CHAT_UTTERANCES) && chat_iter != mChats.end())
	{
		chat_length -= chat_iter->mText.size();
		mChats.pop_front();
		chat_iter = mChats.begin();
	}

	mChatTimer.reset();
}

void LLVOAvatar::clearChat()
{
	mChats.clear();
}

// adds a morph mask to the appropriate baked texture structure
void LLVOAvatar::addMaskedMorph(EBakedTextureIndex index, LLPolyMorphTarget* morph_target, BOOL invert, std::string layer)
{
	if (index < BAKED_NUM_INDICES)
	{
		LLMaskedMorph *morph = new LLMaskedMorph(morph_target, invert, layer);
		mBakedTextureDatas[index].mMaskedMorphs.push_front(morph);
	}
}

// returns TRUE if morph masks are present and not valid for a given baked texture, FALSE otherwise
BOOL LLVOAvatar::morphMaskNeedsUpdate(LLVOAvatarDefines::EBakedTextureIndex index)
{
	if (index >= BAKED_NUM_INDICES)
	{
		return FALSE;
	}

	if (!mBakedTextureDatas[index].mMaskedMorphs.empty())
	{
		if (isSelf())
		{
			LLTexLayerSet *layer_set = mBakedTextureDatas[index].mTexLayerSet;
			if (layer_set)
			{
				return !layer_set->isMorphValid();
			}
		}
		else
		{
			return FALSE;
		}
	}

	return FALSE;
}

void LLVOAvatar::applyMorphMask(U8* tex_data, S32 width, S32 height, S32 num_components, LLVOAvatarDefines::EBakedTextureIndex index)
{
	if (index >= BAKED_NUM_INDICES)
	{
		llwarns << "invalid baked texture index passed to applyMorphMask" << llendl;
		return;
	}

	for (morph_list_t::const_iterator iter = mBakedTextureDatas[index].mMaskedMorphs.begin();
		 iter != mBakedTextureDatas[index].mMaskedMorphs.end(); ++iter)
	{
		const LLMaskedMorph* maskedMorph = (*iter);
		maskedMorph->mMorphTarget->applyMask(tex_data, width, height, num_components, maskedMorph->mInvert);
	}
}


//-----------------------------------------------------------------------------
// releaseComponentTextures()
// release any component texture UUIDs for which we have a baked texture
// ! BACKWARDS COMPATIBILITY !
// This is only called for non-self avatars, it can be taken out once component
// textures aren't communicated by non-self avatars.
//-----------------------------------------------------------------------------
void LLVOAvatar::releaseComponentTextures()
{
	// ! BACKWARDS COMPATIBILITY !
	// Detect if the baked hair texture actually wasn't sent, and if so set to default
	if (isTextureDefined(TEX_HAIR_BAKED) && getImage(TEX_HAIR_BAKED,0)->getID() == getImage(TEX_SKIRT_BAKED,0)->getID())
	{
		if (getImage(TEX_HAIR_BAKED,0)->getID() != IMG_INVISIBLE)
		{
			// Regression case of messaging system. Expected 21 textures, received 20. last texture is not valid so set to default
			setTETexture(TEX_HAIR_BAKED, IMG_DEFAULT_AVATAR);
		}
	}

	for (U8 baked_index = 0; baked_index < BAKED_NUM_INDICES; baked_index++)
	{
		const LLVOAvatarDictionary::BakedEntry * bakedDicEntry = LLVOAvatarDictionary::getInstance()->getBakedTexture((EBakedTextureIndex)baked_index);
		// skip if this is a skirt and av is not wearing one, or if we don't have a baked texture UUID
		if (!isTextureDefined(bakedDicEntry->mTextureIndex)
			&& ( (baked_index != BAKED_SKIRT) || isWearingWearableType(LLWearableType::WT_SKIRT) ))
		{
			continue;
		}

		for (U8 texture = 0; texture < bakedDicEntry->mLocalTextures.size(); texture++)
		{
			const U8 te = (ETextureIndex)bakedDicEntry->mLocalTextures[texture];
			setTETexture(te, IMG_DEFAULT_AVATAR);
		}
	}
}

//static
BOOL LLVOAvatar::teToColorParams( ETextureIndex te, U32 *param_name )
{
	switch( te )
	{
		case TEX_UPPER_SHIRT:
			param_name[0] = 803; //"shirt_red";
			param_name[1] = 804; //"shirt_green";
			param_name[2] = 805; //"shirt_blue";
			break;

		case TEX_LOWER_PANTS:
			param_name[0] = 806; //"pants_red";
			param_name[1] = 807; //"pants_green";
			param_name[2] = 808; //"pants_blue";
			break;

		case TEX_LOWER_SHOES:
			param_name[0] = 812; //"shoes_red";
			param_name[1] = 813; //"shoes_green";
			param_name[2] = 817; //"shoes_blue";
			break;

		case TEX_LOWER_SOCKS:
			param_name[0] = 818; //"socks_red";
			param_name[1] = 819; //"socks_green";
			param_name[2] = 820; //"socks_blue";
			break;

		case TEX_UPPER_JACKET:
		case TEX_LOWER_JACKET:
			param_name[0] = 834; //"jacket_red";
			param_name[1] = 835; //"jacket_green";
			param_name[2] = 836; //"jacket_blue";
			break;

		case TEX_UPPER_GLOVES:
			param_name[0] = 827; //"gloves_red";
			param_name[1] = 829; //"gloves_green";
			param_name[2] = 830; //"gloves_blue";
			break;

		case TEX_UPPER_UNDERSHIRT:
			param_name[0] = 821; //"undershirt_red";
			param_name[1] = 822; //"undershirt_green";
			param_name[2] = 823; //"undershirt_blue";
			break;
	
		case TEX_LOWER_UNDERPANTS:
			param_name[0] = 824; //"underpants_red";
			param_name[1] = 825; //"underpants_green";
			param_name[2] = 826; //"underpants_blue";
			break;

		case TEX_SKIRT:
			param_name[0] = 921; //"skirt_red";
			param_name[1] = 922; //"skirt_green";
			param_name[2] = 923; //"skirt_blue";
			break;

		case TEX_HEAD_TATTOO:
		case TEX_LOWER_TATTOO:
		case TEX_UPPER_TATTOO:
			param_name[0] = 1071; //"tattoo_red";
			param_name[1] = 1072; //"tattoo_green";
			param_name[2] = 1073; //"tattoo_blue";
			break;	

		default:
			llassert(0);
			return FALSE;
	}

	return TRUE;
}

void LLVOAvatar::setClothesColor( ETextureIndex te, const LLColor4& new_color, BOOL upload_bake )
{
	U32 param_name[3];
	if( teToColorParams( te, param_name ) )
	{
		setVisualParamWeight( param_name[0], new_color.mV[VX], upload_bake );
		setVisualParamWeight( param_name[1], new_color.mV[VY], upload_bake );
		setVisualParamWeight( param_name[2], new_color.mV[VZ], upload_bake );
	}
}

LLColor4 LLVOAvatar::getClothesColor( ETextureIndex te )
{
	LLColor4 color;
	U32 param_name[3];
	if( teToColorParams( te, param_name ) )
	{
		color.mV[VX] = getVisualParamWeight( param_name[0] );
		color.mV[VY] = getVisualParamWeight( param_name[1] );
		color.mV[VZ] = getVisualParamWeight( param_name[2] );
	}
	return color;
}

// static
LLColor4 LLVOAvatar::getDummyColor()
{
	return DUMMY_COLOR;
}

void LLVOAvatar::dumpAvatarTEs( const std::string& context ) const
{	
	LL_DEBUGS("Avatar") << avString() << (isSelf() ? "Self: " : "Other: ") << context << LL_ENDL;
	for (LLVOAvatarDictionary::Textures::const_iterator iter = LLVOAvatarDictionary::getInstance()->getTextures().begin();
		 iter != LLVOAvatarDictionary::getInstance()->getTextures().end();
		 ++iter)
	{
		const LLVOAvatarDictionary::TextureEntry *texture_dict = iter->second;
		// TODO: MULTI-WEARABLE: handle multiple textures for self
		const LLViewerTexture* te_image = getImage(iter->first,0);
		if( !te_image )
		{
			LL_DEBUGS("Avatar") << avString() << "       " << texture_dict->mName << ": null ptr" << LL_ENDL;
		}
		else if( te_image->getID().isNull() )
		{
			LL_DEBUGS("Avatar") << avString() << "       " << texture_dict->mName << ": null UUID" << LL_ENDL;
		}
		else if( te_image->getID() == IMG_DEFAULT )
		{
			LL_DEBUGS("Avatar") << avString() << "       " << texture_dict->mName << ": IMG_DEFAULT" << LL_ENDL;
		}
		else if( te_image->getID() == IMG_DEFAULT_AVATAR )
		{
			LL_DEBUGS("Avatar") << avString() << "       " << texture_dict->mName << ": IMG_DEFAULT_AVATAR" << LL_ENDL;
		}
		else
		{
			LL_DEBUGS("Avatar") << avString() << "       " << texture_dict->mName << ": " << te_image->getID() << LL_ENDL;
		}
	}
}

// Unlike most wearable functions, this works for both self and other.
BOOL LLVOAvatar::isWearingWearableType(LLWearableType::EType type) const
{
	if (mIsDummy) return TRUE;

	switch(type)
	{
		case LLWearableType::WT_SHAPE:
		case LLWearableType::WT_SKIN:
		case LLWearableType::WT_HAIR:
		case LLWearableType::WT_EYES:
			return TRUE;  // everyone has all bodyparts
		default:
			break; // Do nothing
	}

	/* switch(type)
		case LLWearableType::WT_SHIRT:
			indicator_te = TEX_UPPER_SHIRT; */
	for (LLVOAvatarDictionary::Textures::const_iterator tex_iter = LLVOAvatarDictionary::getInstance()->getTextures().begin();
		 tex_iter != LLVOAvatarDictionary::getInstance()->getTextures().end();
		 ++tex_iter)
	{
		const LLVOAvatarDictionary::TextureEntry *texture_dict = tex_iter->second;
		if (texture_dict->mWearableType == type)
		{
			// If you're checking another avatar's clothing, you don't have component textures.
			// Thus, you must check to see if the corresponding baked texture is defined.
			// NOTE: this is a poor substitute if you actually want to know about individual pieces of clothing
			// this works for detecting a skirt (most important), but is ineffective at any piece of clothing that
			// gets baked into a texture that always exists (upper or lower).
			if (texture_dict->mIsUsedByBakedTexture)
			{
				const EBakedTextureIndex baked_index = texture_dict->mBakedTextureIndex;
				return isTextureDefined(LLVOAvatarDictionary::getInstance()->getBakedTexture(baked_index)->mTextureIndex);
			}
			return FALSE;
		}
	}
	return FALSE;
}

//-----------------------------------------------------------------------------
// clampAttachmentPositions()
//-----------------------------------------------------------------------------
void LLVOAvatar::clampAttachmentPositions()
{
	if (isDead())
	{
		return;
	}
	for (attachment_map_t::iterator iter = mAttachmentPoints.begin(); 
		 iter != mAttachmentPoints.end();
		 ++iter)
	{
		LLViewerJointAttachment* attachment = iter->second;
		if (attachment)
		{
			attachment->clampObjectPosition();
		}
	}
}

BOOL LLVOAvatar::hasHUDAttachment() const
{
	for (attachment_map_t::const_iterator iter = mAttachmentPoints.begin(); 
		 iter != mAttachmentPoints.end();
		 ++iter)
	{
		LLViewerJointAttachment* attachment = iter->second;
		if (attachment->getIsHUDAttachment() && attachment->getNumObjects() > 0)
		{
			return TRUE;
		}
	}
	return FALSE;
}

LLBBox LLVOAvatar::getHUDBBox() const
{
	LLBBox bbox;
	for (attachment_map_t::const_iterator iter = mAttachmentPoints.begin(); 
		 iter != mAttachmentPoints.end();
		 ++iter)
	{
		LLViewerJointAttachment* attachment = iter->second;
		if (attachment->getIsHUDAttachment())
		{
			for (LLViewerJointAttachment::attachedobjs_vec_t::iterator attachment_iter = attachment->mAttachedObjects.begin();
				 attachment_iter != attachment->mAttachedObjects.end();
				 ++attachment_iter)
			{
				const LLViewerObject* attached_object = (*attachment_iter);
				if (attached_object == NULL)
				{
					llwarns << "HUD attached object is NULL!" << llendl;
					continue;
				}
				// initialize bounding box to contain identity orientation and center point for attached object
				bbox.addPointLocal(attached_object->getPosition());
				// add rotated bounding box for attached object
				bbox.addBBoxAgent(attached_object->getBoundingBoxAgent());
				LLViewerObject::const_child_list_t& child_list = attached_object->getChildren();
				for (LLViewerObject::child_list_t::const_iterator iter = child_list.begin();
					 iter != child_list.end(); 
					 ++iter)
				{
					const LLViewerObject* child_objectp = *iter;
					bbox.addBBoxAgent(child_objectp->getBoundingBoxAgent());
				}
			}
		}
	}

	return bbox;
}

//-----------------------------------------------------------------------------
// onFirstTEMessageReceived()
//-----------------------------------------------------------------------------
void LLVOAvatar::onFirstTEMessageReceived()
{
	LL_INFOS("Avatar") << avString() << LL_ENDL;
	if( !mFirstTEMessageReceived )
	{
		mFirstTEMessageReceived = TRUE;

		LLLoadedCallbackEntry::source_callback_list_t* src_callback_list = NULL ;
		BOOL paused = FALSE ;
		if(!isSelf())
		{
			src_callback_list = &mCallbackTextureList ;
			paused = !isVisible();
		}

		for (U32 i = 0; i < mBakedTextureDatas.size(); i++)
		{
			const BOOL layer_baked = isTextureDefined(mBakedTextureDatas[i].mTextureIndex);

			// Use any baked textures that we have even if they haven't downloaded yet.
			// (That is, don't do a transition from unbaked to baked.)
			if (layer_baked)
			{
				LLViewerFetchedTexture* image = LLViewerTextureManager::staticCastToFetchedTexture(getImage( mBakedTextureDatas[i].mTextureIndex, 0 ), TRUE) ;
				mBakedTextureDatas[i].mLastTextureIndex = image->getID();
				// If we have more than one texture for the other baked layers, we'll want to call this for them too.
				if ( (image->getID() != IMG_INVISIBLE) && ((i == BAKED_HEAD) || (i == BAKED_UPPER) || (i == BAKED_LOWER)) )
				{
					image->setLoadedCallback( onBakedTextureMasksLoaded, MORPH_MASK_REQUESTED_DISCARD, TRUE, TRUE, new LLTextureMaskData( mID ), 
						src_callback_list, paused);
				}
				LL_DEBUGS("Avatar") << avString() << "layer_baked, setting onInitialBakedTextureLoaded as callback" << LL_ENDL;
				image->setLoadedCallback( onInitialBakedTextureLoaded, MAX_DISCARD_LEVEL, FALSE, FALSE, new LLUUID( mID ), 
					src_callback_list, paused );
			}
		}

		mMeshTexturesDirty = TRUE;
		gPipeline.markGLRebuild(this);
	}
}

//-----------------------------------------------------------------------------
// bool visualParamWeightsAreDefault()
//-----------------------------------------------------------------------------
bool LLVOAvatar::visualParamWeightsAreDefault()
{
	bool rtn = true;

	bool is_wearing_skirt = isWearingWearableType(LLWearableType::WT_SKIRT);
	for (LLVisualParam *param = getFirstVisualParam(); 
	     param;
	     param = getNextVisualParam())
	{
		if (param->isTweakable())
		{
			LLViewerVisualParam* vparam = dynamic_cast<LLViewerVisualParam*>(param);
			llassert(vparam);
			bool is_skirt_param = vparam &&
				LLWearableType::WT_SKIRT == vparam->getWearableType();
			if (param->getWeight() != param->getDefaultWeight() &&
			    // we have to not care whether skirt weights are default, if we're not actually wearing a skirt
			    (is_wearing_skirt || !is_skirt_param))
			{
				//llinfos << "param '" << param->getName() << "'=" << param->getWeight() << " which differs from default=" << param->getDefaultWeight() << llendl;
				rtn = false;
				break;
			}
		}
	}

	//llinfos << "params are default ? " << int(rtn) << llendl;

	return rtn;
}


//-----------------------------------------------------------------------------
// processAvatarAppearance()
//-----------------------------------------------------------------------------
void LLVOAvatar::processAvatarAppearance( LLMessageSystem* mesgsys )
{
	if (gSavedSettings.getBOOL("BlockAvatarAppearanceMessages"))
	{
		llwarns << "Blocking AvatarAppearance message" << llendl;
		return;
	}
	
	LLMemType mt(LLMemType::MTYPE_AVATAR);

	BOOL is_first_appearance_message = !mFirstAppearanceMessageReceived;
	mFirstAppearanceMessageReceived = TRUE;

	LL_INFOS("Avatar") << avString() << "processAvatarAppearance start " << mID
			<< " first? " << is_first_appearance_message << " self? " << isSelf() << LL_ENDL;


	if( isSelf() )
	{
		llwarns << avString() << "Received AvatarAppearance for self" << llendl;
		if( mFirstTEMessageReceived )
		{
//			llinfos << "processAvatarAppearance end  " << mID << llendl;
			return;
		}
	}

	ESex old_sex = getSex();

//	llinfos << "LLVOAvatar::processAvatarAppearance()" << llendl;
//	dumpAvatarTEs( "PRE  processAvatarAppearance()" );
	unpackTEMessage(mesgsys, _PREHASH_ObjectData);
//	dumpAvatarTEs( "POST processAvatarAppearance()" );

	// prevent the overwriting of valid baked textures with invalid baked textures
	for (U8 baked_index = 0; baked_index < mBakedTextureDatas.size(); baked_index++)
	{
		if (!isTextureDefined(mBakedTextureDatas[baked_index].mTextureIndex) 
			&& mBakedTextureDatas[baked_index].mLastTextureIndex != IMG_DEFAULT
			&& baked_index != BAKED_SKIRT)
		{
			setTEImage(mBakedTextureDatas[baked_index].mTextureIndex, 
						LLViewerTextureManager::getFetchedTexture(mBakedTextureDatas[baked_index].mLastTextureIndex, 
																TRUE, 
																LLViewerTexture::BOOST_NONE, 
																LLViewerTexture::LOD_TEXTURE));
		}
	}


	// runway - was
	// if (!is_first_appearance_message )
	// which means it would be called on second appearance message - probably wrong.
	if (is_first_appearance_message )
	{
		onFirstTEMessageReceived();
	}

	setCompositeUpdatesEnabled( FALSE );
	mMeshTexturesDirty = TRUE;
	gPipeline.markGLRebuild(this);

	// ! BACKWARDS COMPATIBILITY !
	// Non-self avatars will no longer have component textures
	if (!isSelf())
	{
		releaseComponentTextures();
	}
	
	// parse visual params
	S32 num_blocks = mesgsys->getNumberOfBlocksFast(_PREHASH_VisualParam);
	bool drop_visual_params_debug = gSavedSettings.getBOOL("BlockSomeAvatarAppearanceVisualParams") && (ll_rand(2) == 0); // pretend that ~12% of AvatarAppearance messages arrived without a VisualParam block, for testing
	if( num_blocks > 1 && !drop_visual_params_debug)
	{
		LL_DEBUGS("Avatar") << avString() << " handle visual params, num_blocks " << num_blocks << LL_ENDL;
		BOOL params_changed = FALSE;
		BOOL interp_params = FALSE;
		
		LLVisualParam* param = getFirstVisualParam();
		llassert(param); // if this ever fires, we should do the same as when num_blocks<=1
		if (!param)
		{
			llwarns << "No visual params!" << llendl;
		}
		else
		{
			for( S32 i = 0; i < num_blocks; i++ )
			{
				while( param && (param->getGroup() != VISUAL_PARAM_GROUP_TWEAKABLE) ) // should not be any of group VISUAL_PARAM_GROUP_TWEAKABLE_NO_TRANSMIT
				{
					param = getNextVisualParam();
				}
						
				if( !param )
				{
					// more visual params supplied than expected - just process what we know about
					break;
				}

				U8 value;
				mesgsys->getU8Fast(_PREHASH_VisualParam, _PREHASH_ParamValue, value, i);
				F32 newWeight = U8_to_F32(value, param->getMinWeight(), param->getMaxWeight());

				if (is_first_appearance_message || (param->getWeight() != newWeight))
				{
					//llinfos << "Received update for param " << param->getDisplayName() << " at value " << newWeight << llendl;
					params_changed = TRUE;
					if(is_first_appearance_message)
					{
						param->setWeight(newWeight, FALSE);
					}
					else
					{
						interp_params = TRUE;
						param->setAnimationTarget(newWeight, FALSE);
					}
				}
				param = getNextVisualParam();
			}
		}

		const S32 expected_tweakable_count = getVisualParamCountInGroup(VISUAL_PARAM_GROUP_TWEAKABLE); // don't worry about VISUAL_PARAM_GROUP_TWEAKABLE_NO_TRANSMIT
		if (num_blocks != expected_tweakable_count)
		{
			llinfos << "Number of params in AvatarAppearance msg (" << num_blocks << ") does not match number of tweakable params in avatar xml file (" << expected_tweakable_count << ").  Processing what we can.  object: " << getID() << llendl;
		}

		if (params_changed)
		{
			if (interp_params)
			{
				startAppearanceAnimation();
			}
			updateVisualParams();

			ESex new_sex = getSex();
			if( old_sex != new_sex )
			{
				updateSexDependentLayerSets( FALSE );
			}	
		}

		llassert( getSex() == ((getVisualParamWeight( "male" ) > 0.5f) ? SEX_MALE : SEX_FEMALE) );
	}
	else
	{
		// AvatarAppearance message arrived without visual params
		LL_DEBUGS("Avatar") << avString() << "no visual params" << LL_ENDL;
		if (drop_visual_params_debug)
		{
			llinfos << "Debug-faked lack of parameters on AvatarAppearance for object: "  << getID() << llendl;
		}
		else
		{
			llinfos << "AvatarAppearance msg received without any parameters, object: " << getID() << llendl;
		}

		const F32 LOADING_TIMEOUT_SECONDS = 60.f;
		// this isn't really a problem if we already have a non-default shape
		if (visualParamWeightsAreDefault() && mRuthTimer.getElapsedTimeF32() > LOADING_TIMEOUT_SECONDS)
		{
			// re-request appearance, hoping that it comes back with a shape next time
			llinfos << "Re-requesting AvatarAppearance for object: "  << getID() << llendl;
			LLAvatarPropertiesProcessor::getInstance()->sendAvatarTexturesRequest(getID());
			mRuthTimer.reset();
		}
		else
		{
			llinfos << "That's okay, we already have a non-default shape for object: "  << getID() << llendl;
			// we don't really care.
		}
	}

	setCompositeUpdatesEnabled( TRUE );

	// If all of the avatars are completely baked, release the global image caches to conserve memory.
	LLVOAvatar::cullAvatarsByPixelArea();

//	llinfos << "processAvatarAppearance end " << mID << llendl;
}

// static
void LLVOAvatar::getAnimLabels( LLDynamicArray<std::string>* labels )
{
	S32 i;
	for( i = 0; i < gUserAnimStatesCount; i++ )
	{
		labels->put( LLAnimStateLabels::getStateLabel( gUserAnimStates[i].mName ) );
	}

	// Special case to trigger away (AFK) state
	labels->put( "Away From Keyboard" );
}

// static 
void LLVOAvatar::getAnimNames( LLDynamicArray<std::string>* names )
{
	S32 i;

	for( i = 0; i < gUserAnimStatesCount; i++ )
	{
		names->put( std::string(gUserAnimStates[i].mName) );
	}

	// Special case to trigger away (AFK) state
	names->put( "enter_away_from_keyboard_state" );
}

void LLVOAvatar::onBakedTextureMasksLoaded( BOOL success, LLViewerFetchedTexture *src_vi, LLImageRaw* src, LLImageRaw* aux_src, S32 discard_level, BOOL final, void* userdata )
{
	if (!userdata) return;

	//llinfos << "onBakedTextureMasksLoaded: " << src_vi->getID() << llendl;
	const LLMemType mt(LLMemType::MTYPE_AVATAR);
	const LLUUID id = src_vi->getID();
 
	LLTextureMaskData* maskData = (LLTextureMaskData*) userdata;
	LLVOAvatar* self = (LLVOAvatar*) gObjectList.findObject( maskData->mAvatarID );

	// if discard level is 2 less than last discard level we processed, or we hit 0,
	// then generate morph masks
	if(self && success && (discard_level < maskData->mLastDiscardLevel - 2 || discard_level == 0))
	{
		if(aux_src && aux_src->getComponents() == 1)
		{
			if (!aux_src->getData())
			{
				llerrs << "No auxiliary source data for onBakedTextureMasksLoaded" << llendl;
				return;
			}

			U32 gl_name;
			LLImageGL::generateTextures(LLTexUnit::TT_TEXTURE, GL_ALPHA8, 1, &gl_name );
			stop_glerror();

			gGL.getTexUnit(0)->bindManual(LLTexUnit::TT_TEXTURE, gl_name);
			stop_glerror();

			LLImageGL::setManualImage(
				GL_TEXTURE_2D, 0, GL_ALPHA8, 
				aux_src->getWidth(), aux_src->getHeight(),
				GL_ALPHA, GL_UNSIGNED_BYTE, aux_src->getData());
			stop_glerror();

			gGL.getTexUnit(0)->setTextureFilteringOption(LLTexUnit::TFO_BILINEAR);

			/* if( id == head_baked->getID() )
			     if (self->mBakedTextureDatas[BAKED_HEAD].mTexLayerSet)
				     //llinfos << "onBakedTextureMasksLoaded for head " << id << " discard = " << discard_level << llendl;
					 self->mBakedTextureDatas[BAKED_HEAD].mTexLayerSet->applyMorphMask(aux_src->getData(), aux_src->getWidth(), aux_src->getHeight(), 1);
					 maskData->mLastDiscardLevel = discard_level; */
			BOOL found_texture_id = false;
			for (LLVOAvatarDictionary::Textures::const_iterator iter = LLVOAvatarDictionary::getInstance()->getTextures().begin();
				 iter != LLVOAvatarDictionary::getInstance()->getTextures().end();
				 ++iter)
			{

				const LLVOAvatarDictionary::TextureEntry *texture_dict = iter->second;
				if (texture_dict->mIsUsedByBakedTexture)
				{
					const ETextureIndex texture_index = iter->first;
					const LLViewerTexture *baked_img = self->getImage(texture_index, 0);
					if (baked_img && id == baked_img->getID())
					{
						const EBakedTextureIndex baked_index = texture_dict->mBakedTextureIndex;
						self->applyMorphMask(aux_src->getData(), aux_src->getWidth(), aux_src->getHeight(), 1, baked_index);
						maskData->mLastDiscardLevel = discard_level;
						if (self->mBakedTextureDatas[baked_index].mMaskTexName)
						{
							LLImageGL::deleteTextures(LLTexUnit::TT_TEXTURE, 0, -1, 1, &(self->mBakedTextureDatas[baked_index].mMaskTexName));
						}
						self->mBakedTextureDatas[baked_index].mMaskTexName = gl_name;
						found_texture_id = true;
						break;
					}
				}
			}
			if (!found_texture_id)
			{
				llinfos << "onBakedTextureMasksLoaded(): unexpected image id: " << id << llendl;
			}
			self->dirtyMesh();
		}
		else
		{
            // this can happen when someone uses an old baked texture possibly provided by 
            // viewer-side baked texture caching
			llwarns << "Masks loaded callback but NO aux source!" << llendl;
		}
	}

	if (final || !success)
	{
		delete maskData;
	}
}

// static
void LLVOAvatar::onInitialBakedTextureLoaded( BOOL success, LLViewerFetchedTexture *src_vi, LLImageRaw* src, LLImageRaw* aux_src, S32 discard_level, BOOL final, void* userdata )
{

	
	LLUUID *avatar_idp = (LLUUID *)userdata;
	LLVOAvatar *selfp = (LLVOAvatar *)gObjectList.findObject(*avatar_idp);

	if (selfp)
	{
		LL_DEBUGS("Avatar") << selfp->avString() << "discard_level " << discard_level << " success " << success << " final " << final << LL_ENDL;
	}

	if (!success && selfp)
	{
		selfp->removeMissingBakedTextures();
	}
	if (final || !success )
	{
		delete avatar_idp;
	}
}

// Static
void LLVOAvatar::onBakedTextureLoaded(BOOL success,
									  LLViewerFetchedTexture *src_vi, LLImageRaw* src, LLImageRaw* aux_src,
									  S32 discard_level, BOOL final, void* userdata)
{
	//llinfos << "onBakedTextureLoaded: " << src_vi->getID() << llendl;

	LLUUID id = src_vi->getID();
	LLUUID *avatar_idp = (LLUUID *)userdata;
	LLVOAvatar *selfp = (LLVOAvatar *)gObjectList.findObject(*avatar_idp);
	if (selfp)
	{	
		LL_DEBUGS("Avatar") << selfp->avString() << "discard_level " << discard_level << " success " << success << " final " << final << " id " << src_vi->getID() << LL_ENDL;
	}

	if (selfp && !success)
	{
		selfp->removeMissingBakedTextures();
	}

	if( final || !success )
	{
		delete avatar_idp;
	}

	if( selfp && success && final )
	{
		selfp->useBakedTexture( id );
	}
}


// Called when baked texture is loaded and also when we start up with a baked texture
void LLVOAvatar::useBakedTexture( const LLUUID& id )
{
	for (U32 i = 0; i < mBakedTextureDatas.size(); i++)
	{
		LLViewerTexture* image_baked = getImage( mBakedTextureDatas[i].mTextureIndex, 0 );
		if (id == image_baked->getID())
		{
			LL_DEBUGS("Avatar") << avString() << " i " << i << " id " << id << LL_ENDL;
			mBakedTextureDatas[i].mIsLoaded = true;
			mBakedTextureDatas[i].mLastTextureIndex = id;
			mBakedTextureDatas[i].mIsUsed = true;
			for (U32 k = 0; k < mBakedTextureDatas[i].mMeshes.size(); k++)
			{
				mBakedTextureDatas[i].mMeshes[k]->setTexture( image_baked );
			}
			if (mBakedTextureDatas[i].mTexLayerSet)
			{
				//mBakedTextureDatas[i].mTexLayerSet->destroyComposite();
			}
			const LLVOAvatarDictionary::BakedEntry *baked_dict = LLVOAvatarDictionary::getInstance()->getBakedTexture((EBakedTextureIndex)i);
			for (texture_vec_t::const_iterator local_tex_iter = baked_dict->mLocalTextures.begin();
				 local_tex_iter != baked_dict->mLocalTextures.end();
				 ++local_tex_iter)
			{
				if (isSelf()) setBakedReady(*local_tex_iter, TRUE);
			}

			// ! BACKWARDS COMPATIBILITY !
			// Workaround for viewing avatars from old viewers that haven't baked hair textures.
			// This is paired with similar code in updateMeshTextures that sets hair mesh color.
			if (i == BAKED_HAIR)
			{
				for (U32 i = 0; i < mBakedTextureDatas[BAKED_HAIR].mMeshes.size(); i++)
				{
					mBakedTextureDatas[BAKED_HAIR].mMeshes[i]->setColor( 1.f, 1.f, 1.f, 1.f );
				}
			}
		}
	}

	dirtyMesh();
}

// static
void LLVOAvatar::dumpArchetypeXML( void* )
{
	LLAPRFile outfile;
	outfile.open(gDirUtilp->getExpandedFilename(LL_PATH_USER_SETTINGS,"new archetype.xml"), LL_APR_WB );
	apr_file_t* file = outfile.getFileHandle();
	if (!file)
	{
		return;
	}
	else
	{
		llinfos << "xmlfile write handle obtained : " << gDirUtilp->getExpandedFilename(LL_PATH_USER_SETTINGS,"new archetype.xml") << llendl;
	}

	apr_file_printf( file, "<?xml version=\"1.0\" encoding=\"US-ASCII\" standalone=\"yes\"?>\n" );
	apr_file_printf( file, "<linden_genepool version=\"1.0\">\n" );
	apr_file_printf( file, "\n\t<archetype name=\"???\">\n" );

	// only body parts, not clothing.
	for (S32 type = LLWearableType::WT_SHAPE; type <= LLWearableType::WT_EYES; type++)
	{
		const std::string& wearable_name = LLWearableType::getTypeName((LLWearableType::EType)type);
		apr_file_printf( file, "\n\t\t<!-- wearable: %s -->\n", wearable_name.c_str() );

		for (LLVisualParam* param = gAgentAvatarp->getFirstVisualParam(); param; param = gAgentAvatarp->getNextVisualParam())
		{
			LLViewerVisualParam* viewer_param = (LLViewerVisualParam*)param;
			if( (viewer_param->getWearableType() == type) && 
				(viewer_param->isTweakable() ) )
			{
				apr_file_printf(file, "\t\t<param id=\"%d\" name=\"%s\" value=\"%.3f\"/>\n",
								viewer_param->getID(), viewer_param->getName().c_str(), viewer_param->getWeight());
			}
		}

		for (U8 te = 0; te < TEX_NUM_INDICES; te++)
		{
			if (LLVOAvatarDictionary::getTEWearableType((ETextureIndex)te) == type)
			{
				// MULTIPLE_WEARABLES: extend to multiple wearables?
				LLViewerTexture* te_image = ((LLVOAvatar *)(gAgentAvatarp))->getImage((ETextureIndex)te, 0);
				if( te_image )
				{
					std::string uuid_str;
					te_image->getID().toString( uuid_str );
					apr_file_printf( file, "\t\t<texture te=\"%i\" uuid=\"%s\"/>\n", te, uuid_str.c_str());
				}
			}
		}
	}
	apr_file_printf( file, "\t</archetype>\n" );
	apr_file_printf( file, "\n</linden_genepool>\n" );
	//explictly close the file if it is still open which it should be
	if (file)
	{
		outfile.close();
	}
}


void LLVOAvatar::setVisibilityRank(U32 rank)
{
	if (mDrawable.isNull() || mDrawable->isDead())
	{
		// do nothing
		return;
	}
	mVisibilityRank = rank;
}

// Assumes LLVOAvatar::sInstances has already been sorted.
S32 LLVOAvatar::getUnbakedPixelAreaRank()
{
	S32 rank = 1;
	for (std::vector<LLCharacter*>::iterator iter = LLCharacter::sInstances.begin();
		 iter != LLCharacter::sInstances.end(); ++iter)
	{
		LLVOAvatar* inst = (LLVOAvatar*) *iter;
		if (inst == this)
		{
			return rank;
		}
		else if (!inst->isDead() && !inst->isFullyBaked())
		{
			rank++;
		}
	}

	llassert(0);
	return 0;
}

struct CompareScreenAreaGreater
{
	BOOL operator()(const LLCharacter* const& lhs, const LLCharacter* const& rhs)
	{
		return lhs->getPixelArea() > rhs->getPixelArea();
	}
};

// static
void LLVOAvatar::cullAvatarsByPixelArea()
{
	std::sort(LLCharacter::sInstances.begin(), LLCharacter::sInstances.end(), CompareScreenAreaGreater());
	
	// Update the avatars that have changed status
	U32 rank = 2; //1 is reserved for self. 
	for (std::vector<LLCharacter*>::iterator iter = LLCharacter::sInstances.begin();
		 iter != LLCharacter::sInstances.end(); ++iter)
	{
		LLVOAvatar* inst = (LLVOAvatar*) *iter;
		BOOL culled;
		if (inst->isSelf() || inst->isFullyBaked())
		{
			culled = FALSE;
		}
		else 
		{
			culled = TRUE;
		}

		if (inst->mCulled != culled)
		{
			inst->mCulled = culled;
			lldebugs << "avatar " << inst->getID() << (culled ? " start culled" : " start not culled" ) << llendl;
			inst->updateMeshTextures();
		}

		if (inst->isSelf())
		{
			inst->setVisibilityRank(1);
		}
		else if (inst->mDrawable.notNull() && inst->mDrawable->isVisible())
		{
			inst->setVisibilityRank(rank++);
		}
	}

	// runway - this doesn't detect gray/grey state.
	// think we just need to be checking self av since it's the only
	// one with lltexlayer stuff.
	S32 grey_avatars = 0;
	if (LLVOAvatar::areAllNearbyInstancesBaked(grey_avatars))
	{
		LLVOAvatar::deleteCachedImages(false);
	}
	else
	{
		if (gFrameTimeSeconds != sUnbakedUpdateTime) // only update once per frame
		{
			sUnbakedUpdateTime = gFrameTimeSeconds;
			sUnbakedTime += gFrameIntervalSeconds;
		}
		if (grey_avatars > 0)
		{
			if (gFrameTimeSeconds != sGreyUpdateTime) // only update once per frame
			{
				sGreyUpdateTime = gFrameTimeSeconds;
				sGreyTime += gFrameIntervalSeconds;
			}
		}
	}
}

void LLVOAvatar::startAppearanceAnimation()
{
	if(!mAppearanceAnimating)
	{
		mAppearanceAnimating = TRUE;
		mAppearanceMorphTimer.reset();
		mLastAppearanceBlendTime = 0.f;
	}
}

// virtual
void LLVOAvatar::removeMissingBakedTextures()
{	
}

//-----------------------------------------------------------------------------
// LLVOAvatarXmlInfo
//-----------------------------------------------------------------------------

LLVOAvatar::LLVOAvatarXmlInfo::LLVOAvatarXmlInfo()
	: mTexSkinColorInfo(0), mTexHairColorInfo(0), mTexEyeColorInfo(0)
{
}

LLVOAvatar::LLVOAvatarXmlInfo::~LLVOAvatarXmlInfo()
{
	std::for_each(mMeshInfoList.begin(), mMeshInfoList.end(), DeletePointer());
	std::for_each(mSkeletalDistortionInfoList.begin(), mSkeletalDistortionInfoList.end(), DeletePointer());		
	std::for_each(mAttachmentInfoList.begin(), mAttachmentInfoList.end(), DeletePointer());
	deleteAndClear(mTexSkinColorInfo);
	deleteAndClear(mTexHairColorInfo);
	deleteAndClear(mTexEyeColorInfo);
	std::for_each(mLayerInfoList.begin(), mLayerInfoList.end(), DeletePointer());		
	std::for_each(mDriverInfoList.begin(), mDriverInfoList.end(), DeletePointer());
	std::for_each(mMorphMaskInfoList.begin(), mMorphMaskInfoList.end(), DeletePointer());
}

////-----------------------------------------------------------------------------
//// LLVOAvatarBoneInfo::parseXml()
////-----------------------------------------------------------------------------
//BOOL LLVOAvatarBoneInfo::parseXml(LLXmlTreeNode* node)
//{
//	if (node->hasName("bone"))
//	{
//		mIsJoint = TRUE;
//		static LLStdStringHandle name_string = LLXmlTree::addAttributeString("name");
//		if (!node->getFastAttributeString(name_string, mName))
//		{
//			llwarns << "Bone without name" << llendl;
//			return FALSE;
//		}
//	}
//	else if (node->hasName("collision_volume"))
//	{
//		mIsJoint = FALSE;
//		static LLStdStringHandle name_string = LLXmlTree::addAttributeString("name");
//		if (!node->getFastAttributeString(name_string, mName))
//		{
//			mName = "Collision Volume";
//		}
//	}
//	else
//	{
//		llwarns << "Invalid node " << node->getName() << llendl;
//		return FALSE;
//	}
//
//	static LLStdStringHandle pos_string = LLXmlTree::addAttributeString("pos");
//	if (!node->getFastAttributeVector3(pos_string, mPos))
//	{
//		llwarns << "Bone without position" << llendl;
//		return FALSE;
//	}
//
//	static LLStdStringHandle rot_string = LLXmlTree::addAttributeString("rot");
//	if (!node->getFastAttributeVector3(rot_string, mRot))
//	{
//		llwarns << "Bone without rotation" << llendl;
//		return FALSE;
//	}
//	
//	static LLStdStringHandle scale_string = LLXmlTree::addAttributeString("scale");
//	if (!node->getFastAttributeVector3(scale_string, mScale))
//	{
//		llwarns << "Bone without scale" << llendl;
//		return FALSE;
//	}
//
//	if (mIsJoint)
//	{
//		static LLStdStringHandle pivot_string = LLXmlTree::addAttributeString("pivot");
//		if (!node->getFastAttributeVector3(pivot_string, mPivot))
//		{
//			llwarns << "Bone without pivot" << llendl;
//			return FALSE;
//		}
//	}
//
//	// parse children
//	LLXmlTreeNode* child;
//	for( child = node->getFirstChild(); child; child = node->getNextChild() )
//	{
//		LLVOAvatarBoneInfo *child_info = new LLVOAvatarBoneInfo;
//		if (!child_info->parseXml(child))
//		{
//			delete child_info;
//			return FALSE;
//		}
//		mChildList.push_back(child_info);
//	}
//	return TRUE;
//}
//
////-----------------------------------------------------------------------------
//// LLVOAvatarSkeletonInfo::parseXml()
////-----------------------------------------------------------------------------
//BOOL LLVOAvatarSkeletonInfo::parseXml(LLXmlTreeNode* node)
//{
//	static LLStdStringHandle num_bones_string = LLXmlTree::addAttributeString("num_bones");
//	if (!node->getFastAttributeS32(num_bones_string, mNumBones))
//	{
//		llwarns << "Couldn't find number of bones." << llendl;
//		return FALSE;
//	}
//
//	static LLStdStringHandle num_collision_volumes_string = LLXmlTree::addAttributeString("num_collision_volumes");
//	node->getFastAttributeS32(num_collision_volumes_string, mNumCollisionVolumes);
//
//	LLXmlTreeNode* child;
//	for( child = node->getFirstChild(); child; child = node->getNextChild() )
//	{
//		LLVOAvatarBoneInfo *info = new LLVOAvatarBoneInfo;
//		if (!info->parseXml(child))
//		{
//			delete info;
//			llwarns << "Error parsing bone in skeleton file" << llendl;
//			return FALSE;
//		}
//		mBoneInfoList.push_back(info);
//	}
//	return TRUE;
//}

//-----------------------------------------------------------------------------
// parseXmlSkeletonNode(): parses <skeleton> nodes from XML tree
//-----------------------------------------------------------------------------
BOOL LLVOAvatar::LLVOAvatarXmlInfo::parseXmlSkeletonNode(LLXmlTreeNode* root)
{
	LLXmlTreeNode* node = root->getChildByName( "skeleton" );
	if( !node )
	{
		llwarns << "avatar file: missing <skeleton>" << llendl;
		return FALSE;
	}

	LLXmlTreeNode* child;

	// SKELETON DISTORTIONS
	for (child = node->getChildByName( "param" );
		 child;
		 child = node->getNextNamedChild())
	{
		if (!child->getChildByName("param_skeleton"))
		{
			if (child->getChildByName("param_morph"))
			{
				llwarns << "Can't specify morph param in skeleton definition." << llendl;
			}
			else
			{
				llwarns << "Unknown param type." << llendl;
			}
			continue;
		}
		
		LLPolySkeletalDistortionInfo *info = new LLPolySkeletalDistortionInfo;
		if (!info->parseXml(child))
		{
			delete info;
			return FALSE;
		}

		mSkeletalDistortionInfoList.push_back(info);
	}

	// ATTACHMENT POINTS
	for (child = node->getChildByName( "attachment_point" );
		 child;
		 child = node->getNextNamedChild())
	{
		LLVOAvatarAttachmentInfo* info = new LLVOAvatarAttachmentInfo();

		static LLStdStringHandle name_string = LLXmlTree::addAttributeString("name");
		if (!child->getFastAttributeString(name_string, info->mName))
		{
			llwarns << "No name supplied for attachment point." << llendl;
			delete info;
			continue;
		}

		static LLStdStringHandle joint_string = LLXmlTree::addAttributeString("joint");
		if (!child->getFastAttributeString(joint_string, info->mJointName))
		{
			llwarns << "No bone declared in attachment point " << info->mName << llendl;
			delete info;
			continue;
		}

		static LLStdStringHandle position_string = LLXmlTree::addAttributeString("position");
		if (child->getFastAttributeVector3(position_string, info->mPosition))
		{
			info->mHasPosition = TRUE;
		}

		static LLStdStringHandle rotation_string = LLXmlTree::addAttributeString("rotation");
		if (child->getFastAttributeVector3(rotation_string, info->mRotationEuler))
		{
			info->mHasRotation = TRUE;
		}
		 static LLStdStringHandle group_string = LLXmlTree::addAttributeString("group");
		if (child->getFastAttributeS32(group_string, info->mGroup))
		{
			if (info->mGroup == -1)
				info->mGroup = -1111; // -1 = none parsed, < -1 = bad value
		}

		static LLStdStringHandle id_string = LLXmlTree::addAttributeString("id");
		if (!child->getFastAttributeS32(id_string, info->mAttachmentID))
		{
			llwarns << "No id supplied for attachment point " << info->mName << llendl;
			delete info;
			continue;
		}

		static LLStdStringHandle slot_string = LLXmlTree::addAttributeString("pie_slice");
		child->getFastAttributeS32(slot_string, info->mPieMenuSlice);
			
		static LLStdStringHandle visible_in_first_person_string = LLXmlTree::addAttributeString("visible_in_first_person");
		child->getFastAttributeBOOL(visible_in_first_person_string, info->mVisibleFirstPerson);

		static LLStdStringHandle hud_attachment_string = LLXmlTree::addAttributeString("hud");
		child->getFastAttributeBOOL(hud_attachment_string, info->mIsHUDAttachment);

		mAttachmentInfoList.push_back(info);
	}

	return TRUE;
}

//-----------------------------------------------------------------------------
// parseXmlMeshNodes(): parses <mesh> nodes from XML tree
//-----------------------------------------------------------------------------
BOOL LLVOAvatar::LLVOAvatarXmlInfo::parseXmlMeshNodes(LLXmlTreeNode* root)
{
	for (LLXmlTreeNode* node = root->getChildByName( "mesh" );
		 node;
		 node = root->getNextNamedChild())
	{
		LLVOAvatarMeshInfo *info = new LLVOAvatarMeshInfo;

		// attribute: type
		static LLStdStringHandle type_string = LLXmlTree::addAttributeString("type");
		if( !node->getFastAttributeString( type_string, info->mType ) )
		{
			llwarns << "Avatar file: <mesh> is missing type attribute.  Ignoring element. " << llendl;
			delete info;
			return FALSE;  // Ignore this element
		}
		
		static LLStdStringHandle lod_string = LLXmlTree::addAttributeString("lod");
		if (!node->getFastAttributeS32( lod_string, info->mLOD ))
		{
			llwarns << "Avatar file: <mesh> is missing lod attribute.  Ignoring element. " << llendl;
			delete info;
			return FALSE;  // Ignore this element
		}

		static LLStdStringHandle file_name_string = LLXmlTree::addAttributeString("file_name");
		if( !node->getFastAttributeString( file_name_string, info->mMeshFileName ) )
		{
			llwarns << "Avatar file: <mesh> is missing file_name attribute.  Ignoring: " << info->mType << llendl;
			delete info;
			return FALSE;  // Ignore this element
		}

		static LLStdStringHandle reference_string = LLXmlTree::addAttributeString("reference");
		node->getFastAttributeString( reference_string, info->mReferenceMeshName );
		
		// attribute: min_pixel_area
		static LLStdStringHandle min_pixel_area_string = LLXmlTree::addAttributeString("min_pixel_area");
		static LLStdStringHandle min_pixel_width_string = LLXmlTree::addAttributeString("min_pixel_width");
		if (!node->getFastAttributeF32( min_pixel_area_string, info->mMinPixelArea ))
		{
			F32 min_pixel_area = 0.1f;
			if (node->getFastAttributeF32( min_pixel_width_string, min_pixel_area ))
			{
				// this is square root of pixel area (sensible to use linear space in defining lods)
				min_pixel_area = min_pixel_area * min_pixel_area;
			}
			info->mMinPixelArea = min_pixel_area;
		}
		
		// Parse visual params for this node only if we haven't already
		for (LLXmlTreeNode* child = node->getChildByName( "param" );
			 child;
			 child = node->getNextNamedChild())
		{
			if (!child->getChildByName("param_morph"))
			{
				if (child->getChildByName("param_skeleton"))
				{
					llwarns << "Can't specify skeleton param in a mesh definition." << llendl;
				}
				else
				{
					llwarns << "Unknown param type." << llendl;
				}
				continue;
			}

			LLPolyMorphTargetInfo *morphinfo = new LLPolyMorphTargetInfo();
			if (!morphinfo->parseXml(child))
			{
				delete morphinfo;
				delete info;
				return -1;
			}
			BOOL shared = FALSE;
			static LLStdStringHandle shared_string = LLXmlTree::addAttributeString("shared");
			child->getFastAttributeBOOL(shared_string, shared);

			info->mPolyMorphTargetInfoList.push_back(LLVOAvatarMeshInfo::morph_info_pair_t(morphinfo, shared));
		}

		mMeshInfoList.push_back(info);
	}
	return TRUE;
}

//-----------------------------------------------------------------------------
// parseXmlColorNodes(): parses <global_color> nodes from XML tree
//-----------------------------------------------------------------------------
BOOL LLVOAvatar::LLVOAvatarXmlInfo::parseXmlColorNodes(LLXmlTreeNode* root)
{
	for (LLXmlTreeNode* color_node = root->getChildByName( "global_color" );
		 color_node;
		 color_node = root->getNextNamedChild())
	{
		std::string global_color_name;
		static LLStdStringHandle name_string = LLXmlTree::addAttributeString("name");
		if (color_node->getFastAttributeString( name_string, global_color_name ) )
		{
			if( global_color_name == "skin_color" )
			{
				if (mTexSkinColorInfo)
				{
					llwarns << "avatar file: multiple instances of skin_color" << llendl;
					return FALSE;
				}
				mTexSkinColorInfo = new LLTexGlobalColorInfo;
				if( !mTexSkinColorInfo->parseXml( color_node ) )
				{
					deleteAndClear(mTexSkinColorInfo);
					llwarns << "avatar file: mTexSkinColor->parseXml() failed" << llendl;
					return FALSE;
				}
			}
			else if( global_color_name == "hair_color" )
			{
				if (mTexHairColorInfo)
				{
					llwarns << "avatar file: multiple instances of hair_color" << llendl;
					return FALSE;
				}
				mTexHairColorInfo = new LLTexGlobalColorInfo;
				if( !mTexHairColorInfo->parseXml( color_node ) )
				{
					deleteAndClear(mTexHairColorInfo);
					llwarns << "avatar file: mTexHairColor->parseXml() failed" << llendl;
					return FALSE;
				}
			}
			else if( global_color_name == "eye_color" )
			{
				if (mTexEyeColorInfo)
				{
					llwarns << "avatar file: multiple instances of eye_color" << llendl;
					return FALSE;
				}
				mTexEyeColorInfo = new LLTexGlobalColorInfo;
				if( !mTexEyeColorInfo->parseXml( color_node ) )
				{
					llwarns << "avatar file: mTexEyeColor->parseXml() failed" << llendl;
					return FALSE;
				}
			}
		}
	}
	return TRUE;
}

//-----------------------------------------------------------------------------
// parseXmlLayerNodes(): parses <layer_set> nodes from XML tree
//-----------------------------------------------------------------------------
BOOL LLVOAvatar::LLVOAvatarXmlInfo::parseXmlLayerNodes(LLXmlTreeNode* root)
{
	for (LLXmlTreeNode* layer_node = root->getChildByName( "layer_set" );
		 layer_node;
		 layer_node = root->getNextNamedChild())
	{
		LLTexLayerSetInfo* layer_info = new LLTexLayerSetInfo();
		if( layer_info->parseXml( layer_node ) )
		{
			mLayerInfoList.push_back(layer_info);
		}
		else
		{
			delete layer_info;
			llwarns << "avatar file: layer_set->parseXml() failed" << llendl;
			return FALSE;
		}
	}
	return TRUE;
}

//-----------------------------------------------------------------------------
// parseXmlDriverNodes(): parses <driver_parameters> nodes from XML tree
//-----------------------------------------------------------------------------
BOOL LLVOAvatar::LLVOAvatarXmlInfo::parseXmlDriverNodes(LLXmlTreeNode* root)
{
	LLXmlTreeNode* driver = root->getChildByName( "driver_parameters" );
	if( driver )
	{
		for (LLXmlTreeNode* grand_child = driver->getChildByName( "param" );
			 grand_child;
			 grand_child = driver->getNextNamedChild())
		{
			if( grand_child->getChildByName( "param_driver" ) )
			{
				LLDriverParamInfo* driver_info = new LLDriverParamInfo();
				if( driver_info->parseXml( grand_child ) )
				{
					mDriverInfoList.push_back(driver_info);
				}
				else
				{
					delete driver_info;
					llwarns << "avatar file: driver_param->parseXml() failed" << llendl;
					return FALSE;
				}
			}
		}
	}
	return TRUE;
}

//-----------------------------------------------------------------------------
// parseXmlDriverNodes(): parses <driver_parameters> nodes from XML tree
//-----------------------------------------------------------------------------
BOOL LLVOAvatar::LLVOAvatarXmlInfo::parseXmlMorphNodes(LLXmlTreeNode* root)
{
	LLXmlTreeNode* masks = root->getChildByName( "morph_masks" );
	if( !masks )
	{
		return FALSE;
	}

	for (LLXmlTreeNode* grand_child = masks->getChildByName( "mask" );
		 grand_child;
		 grand_child = masks->getNextNamedChild())
	{
		LLVOAvatarMorphInfo* info = new LLVOAvatarMorphInfo();

		static LLStdStringHandle name_string = LLXmlTree::addAttributeString("morph_name");
		if (!grand_child->getFastAttributeString(name_string, info->mName))
		{
			llwarns << "No name supplied for morph mask." << llendl;
			delete info;
			continue;
		}

		static LLStdStringHandle region_string = LLXmlTree::addAttributeString("body_region");
		if (!grand_child->getFastAttributeString(region_string, info->mRegion))
		{
			llwarns << "No region supplied for morph mask." << llendl;
			delete info;
			continue;
		}

		static LLStdStringHandle layer_string = LLXmlTree::addAttributeString("layer");
		if (!grand_child->getFastAttributeString(layer_string, info->mLayer))
		{
			llwarns << "No layer supplied for morph mask." << llendl;
			delete info;
			continue;
		}

		// optional parameter. don't throw a warning if not present.
		static LLStdStringHandle invert_string = LLXmlTree::addAttributeString("invert");
		grand_child->getFastAttributeBOOL(invert_string, info->mInvert);

		mMorphMaskInfoList.push_back(info);
	}

	return TRUE;
}

//virtual
void LLVOAvatar::updateRegion(LLViewerRegion *regionp)
{
	LLViewerObject::updateRegion(regionp);
}

std::string LLVOAvatar::getFullname() const
{
	std::string name;

	LLNameValue* first = getNVPair("FirstName"); 
	LLNameValue* last  = getNVPair("LastName"); 
	if (first && last)
	{
		name = LLCacheName::buildFullName( first->getString(), last->getString() );
	}

	return name;
}

LLHost LLVOAvatar::getObjectHost() const
{
	LLViewerRegion* region = getRegion();
	if (region && !isDead())
	{
		return region->getHost();
	}
	else
	{
		return LLHost::invalid;
	}
}

//static
void LLVOAvatar::updateFreezeCounter(S32 counter)
{
	if(counter)
	{
		sFreezeCounter = counter;
	}
	else if(sFreezeCounter > 0)
	{
		sFreezeCounter--;
	}
	else
	{
		sFreezeCounter = 0;
	}
}

BOOL LLVOAvatar::updateLOD()
{
	if (isImpostor())
	{
		return TRUE;
	}

	BOOL res = updateJointLODs();

	LLFace* facep = mDrawable->getFace(0);
	if (!facep || !facep->getVertexBuffer())
	{
		dirtyMesh(2);
	}

	if (mDirtyMesh >= 2 || mDrawable->isState(LLDrawable::REBUILD_GEOMETRY))
	{	//LOD changed or new mesh created, allocate new vertex buffer if needed
		updateMeshData();
		mDirtyMesh = 0;
		mNeedsSkin = TRUE;
		mDrawable->clearState(LLDrawable::REBUILD_GEOMETRY);
	}
	updateVisibility();

	return res;
}

void LLVOAvatar::updateLODRiggedAttachments( void )
{
	updateLOD();
	rebuildRiggedAttachments();
}
U32 LLVOAvatar::getPartitionType() const
{ 
	// Avatars merely exist as drawables in the bridge partition
	return LLViewerRegion::PARTITION_BRIDGE;
}

//static
void LLVOAvatar::updateImpostors() 
{
	LLCharacter::sAllowInstancesChange = FALSE ;

	for (std::vector<LLCharacter*>::iterator iter = LLCharacter::sInstances.begin();
		 iter != LLCharacter::sInstances.end(); ++iter)
	{
		LLVOAvatar* avatar = (LLVOAvatar*) *iter;
		if (!avatar->isDead() && avatar->needsImpostorUpdate() && avatar->isVisible() && avatar->isImpostor())
		{
			gPipeline.generateImpostor(avatar);
		}
	}

	LLCharacter::sAllowInstancesChange = TRUE ;
}

BOOL LLVOAvatar::isImpostor() const
{
	return (isVisuallyMuted() || (sUseImpostors && mUpdatePeriod >= IMPOSTOR_PERIOD)) ? TRUE : FALSE;
}


BOOL LLVOAvatar::needsImpostorUpdate() const
{
	return mNeedsImpostorUpdate;
}

const LLVector3& LLVOAvatar::getImpostorOffset() const
{
	return mImpostorOffset;
}

const LLVector2& LLVOAvatar::getImpostorDim() const
{
	return mImpostorDim;
}

void LLVOAvatar::setImpostorDim(const LLVector2& dim)
{
	mImpostorDim = dim;
}

void LLVOAvatar::cacheImpostorValues()
{
	getImpostorValues(mImpostorExtents, mImpostorAngle, mImpostorDistance);
}

void LLVOAvatar::getImpostorValues(LLVector4a* extents, LLVector3& angle, F32& distance) const
{
	const LLVector4a* ext = mDrawable->getSpatialExtents();
	extents[0] = ext[0];
	extents[1] = ext[1];

	LLVector3 at = LLViewerCamera::getInstance()->getOrigin()-(getRenderPosition()+mImpostorOffset);
	distance = at.normalize();
	F32 da = 1.f - (at*LLViewerCamera::getInstance()->getAtAxis());
	angle.mV[0] = LLViewerCamera::getInstance()->getYaw()*da;
	angle.mV[1] = LLViewerCamera::getInstance()->getPitch()*da;
	angle.mV[2] = da;
}

void LLVOAvatar::idleUpdateRenderCost()
{
	static const U32 ARC_BODY_PART_COST = 200;
	static const U32 ARC_LIMIT = 20000;

	static std::set<LLUUID> all_textures;

	if (gPipeline.hasRenderDebugMask(LLPipeline::RENDER_DEBUG_ATTACHMENT_BYTES))
	{ //set debug text to attachment geometry bytes here so render cost will override
		setDebugText(llformat("%.1f KB, %.2f m^2", mAttachmentGeometryBytes/1024.f, mAttachmentSurfaceArea));
	}

	if (!gPipeline.hasRenderDebugMask(LLPipeline::RENDER_DEBUG_SHAME))
	{
		return;
	}

	U32 cost = 0;
	LLVOVolume::texture_cost_t textures;

	for (U8 baked_index = 0; baked_index < BAKED_NUM_INDICES; baked_index++)
	{
		const LLVOAvatarDictionary::BakedEntry *baked_dict = LLVOAvatarDictionary::getInstance()->getBakedTexture((EBakedTextureIndex)baked_index);
		ETextureIndex tex_index = baked_dict->mTextureIndex;
		if ((tex_index != TEX_SKIRT_BAKED) || (isWearingWearableType(LLWearableType::WT_SKIRT)))
		{
			if (isTextureVisible(tex_index))
			{
				cost +=ARC_BODY_PART_COST;
			}
		}
	}


	for (attachment_map_t::const_iterator iter = mAttachmentPoints.begin(); 
		 iter != mAttachmentPoints.end();
		 ++iter)
	{
		LLViewerJointAttachment* attachment = iter->second;
		for (LLViewerJointAttachment::attachedobjs_vec_t::iterator attachment_iter = attachment->mAttachedObjects.begin();
			 attachment_iter != attachment->mAttachedObjects.end();
			 ++attachment_iter)
		{
			const LLViewerObject* attached_object = (*attachment_iter);
			if (attached_object && !attached_object->isHUDAttachment())
			{
				textures.clear();
				const LLDrawable* drawable = attached_object->mDrawable;
				if (drawable)
				{
					const LLVOVolume* volume = drawable->getVOVolume();
					if (volume)
					{
						cost += volume->getRenderCost(textures);

						const_child_list_t children = volume->getChildren();
						for (const_child_list_t::const_iterator child_iter = children.begin();
							  child_iter != children.end();
							  ++child_iter)
						{
							LLViewerObject* child_obj = *child_iter;
							LLVOVolume *child = dynamic_cast<LLVOVolume*>( child_obj );
							if (child)
							{
								cost += child->getRenderCost(textures);
							}
						}

						for (LLVOVolume::texture_cost_t::iterator iter = textures.begin(); iter != textures.end(); ++iter)
						{
							// add the cost of each individual texture in the linkset
							cost += iter->second;
						}
					}
				}
			}
		}

	}



	// Diagnostic output to identify all avatar-related textures.
	// Does not affect rendering cost calculation.
	// Could be wrapped in a debug option if output becomes problematic.
	if (isSelf())
	{
		// print any attachment textures we didn't already know about.
		for (LLVOVolume::texture_cost_t::iterator it = textures.begin(); it != textures.end(); ++it)
		{
			LLUUID image_id = it->first;
			if( image_id.isNull() || image_id == IMG_DEFAULT || image_id == IMG_DEFAULT_AVATAR)
				continue;
			if (all_textures.find(image_id) == all_textures.end())
			{
				// attachment texture not previously seen.
				llinfos << "attachment_texture: " << image_id.asString() << llendl;
				all_textures.insert(image_id);
			}
		}

		// print any avatar textures we didn't already know about
		for (LLVOAvatarDictionary::Textures::const_iterator iter = LLVOAvatarDictionary::getInstance()->getTextures().begin();
			 iter != LLVOAvatarDictionary::getInstance()->getTextures().end();
			 ++iter)
		{
			const LLVOAvatarDictionary::TextureEntry *texture_dict = iter->second;
			// TODO: MULTI-WEARABLE: handle multiple textures for self
			const LLViewerTexture* te_image = getImage(iter->first,0);
			if (!te_image)
				continue;
			LLUUID image_id = te_image->getID();
			if( image_id.isNull() || image_id == IMG_DEFAULT || image_id == IMG_DEFAULT_AVATAR)
				continue;
			if (all_textures.find(image_id) == all_textures.end())
			{
				llinfos << "local_texture: " << texture_dict->mName << ": " << image_id << llendl;
				all_textures.insert(image_id);
			}
		}
	}

	
	std::string viz_string = LLVOAvatar::rezStatusToString(getRezzedStatus());
	setDebugText(llformat("%s %d", viz_string.c_str(), cost));
	mVisualComplexity = cost;
	F32 green = 1.f-llclamp(((F32) cost-(F32)ARC_LIMIT)/(F32)ARC_LIMIT, 0.f, 1.f);
	F32 red = llmin((F32) cost/(F32)ARC_LIMIT, 1.f);
	mText->setColor(LLColor4(red,green,0,1));
}

// static
BOOL LLVOAvatar::isIndexLocalTexture(ETextureIndex index)
{
	if (index < 0 || index >= TEX_NUM_INDICES) return false;
	return LLVOAvatarDictionary::getInstance()->getTexture(index)->mIsLocalTexture;
}

// static
BOOL LLVOAvatar::isIndexBakedTexture(ETextureIndex index)
{
	if (index < 0 || index >= TEX_NUM_INDICES) return false;
	return LLVOAvatarDictionary::getInstance()->getTexture(index)->mIsBakedTexture;
}

const std::string LLVOAvatar::getBakedStatusForPrintout() const
{
	std::string line;

	for (LLVOAvatarDictionary::Textures::const_iterator iter = LLVOAvatarDictionary::getInstance()->getTextures().begin();
		 iter != LLVOAvatarDictionary::getInstance()->getTextures().end();
		 ++iter)
	{
		const ETextureIndex index = iter->first;
		const LLVOAvatarDictionary::TextureEntry *texture_dict = iter->second;
		if (texture_dict->mIsBakedTexture)
		{
			line += texture_dict->mName;
			if (isTextureDefined(index))
			{
				line += "_baked";
			}
			line += " ";
		}
	}
	return line;
}



//virtual
S32 LLVOAvatar::getTexImageSize() const
{
	return TEX_IMAGE_SIZE_OTHER;
}

//-----------------------------------------------------------------------------
// Utility functions
//-----------------------------------------------------------------------------

F32 calc_bouncy_animation(F32 x)
{
	return -(cosf(x * F_PI * 2.5f - F_PI_BY_TWO))*(0.4f + x * -0.1f) + x * 1.3f;
}

//virtual
BOOL LLVOAvatar::isTextureDefined(LLVOAvatarDefines::ETextureIndex te, U32 index ) const
{
	if (isIndexLocalTexture(te)) 
	{
		return FALSE;
	}

	return (getImage(te, index)->getID() != IMG_DEFAULT_AVATAR && 
			getImage(te, index)->getID() != IMG_DEFAULT);
}

//virtual
BOOL LLVOAvatar::isTextureVisible(LLVOAvatarDefines::ETextureIndex type, U32 index) const
{
	if (isIndexLocalTexture(type))
	{
		return isTextureDefined(type, index);
	}
	else
	{
		// baked textures can use TE images directly
		return ((isTextureDefined(type) || isSelf())
				&& (getTEImage(type)->getID() != IMG_INVISIBLE 
				|| LLDrawPoolAlpha::sShowDebugAlpha));
	}
}

//virtual
BOOL LLVOAvatar::isTextureVisible(LLVOAvatarDefines::ETextureIndex type, LLWearable *wearable) const
{
	// non-self avatars don't have wearables
	return FALSE;
}