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path: root/indra/newview/llvoavatar.h
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/**
 * @file llvoavatar.h
 * @brief Declaration 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
 * $/LicenseInfo$
 */

#ifndef LL_LLVOAVATAR_H
#define LL_LLVOAVATAR_H

#include <map>
#include <deque>
#include <string>
#include <vector>

#include <boost/signals2.hpp>

#include "imageids.h"			// IMG_INVISIBLE
#include "llchat.h"
#include "lldrawpoolalpha.h"
#include "llviewerobject.h"
#include "llcharacter.h"
#include "llcontrol.h"
#include "llviewerjointmesh.h"
#include "llviewerjointattachment.h"
#include "llrendertarget.h"
#include "llvoavatardefines.h"
#include "lltexglobalcolor.h"
#include "lldriverparam.h"
#include "material_codes.h"		// LL_MCODE_END
#include "llviewerstats.h"

extern const LLUUID ANIM_AGENT_BODY_NOISE;
extern const LLUUID ANIM_AGENT_BREATHE_ROT;
extern const LLUUID ANIM_AGENT_PHYSICS_MOTION;
extern const LLUUID ANIM_AGENT_EDITING;
extern const LLUUID ANIM_AGENT_EYE;
extern const LLUUID ANIM_AGENT_FLY_ADJUST;
extern const LLUUID ANIM_AGENT_HAND_MOTION;
extern const LLUUID ANIM_AGENT_HEAD_ROT;
extern const LLUUID ANIM_AGENT_PELVIS_FIX;
extern const LLUUID ANIM_AGENT_TARGET;
extern const LLUUID ANIM_AGENT_WALK_ADJUST;

class LLTexLayerSet;
class LLVoiceVisualizer;
class LLHUDNameTag;
class LLHUDEffectSpiral;
class LLTexGlobalColor;
class LLVOAvatarBoneInfo;
class LLVOAvatarSkeletonInfo;

//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// LLVOAvatar
// 
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
class LLVOAvatar :
	public LLViewerObject,
	public LLCharacter,
	public boost::signals2::trackable
{
	LOG_CLASS(LLVOAvatar);

public:
	friend class LLVOAvatarSelf;
protected:
	struct LLVOAvatarXmlInfo;
	struct LLMaskedMorph;

/********************************************************************************
 **                                                                            **
 **                    INITIALIZATION
 **/

public:
	void* operator new(size_t size)
	{
		return ll_aligned_malloc_16(size);
	}

	void operator delete(void* ptr)
	{
		ll_aligned_free_16(ptr);
	}

	LLVOAvatar(const LLUUID &id, const LLPCode pcode, LLViewerRegion *regionp);
	virtual void		markDead();
	static void			initClass(); // Initialize data that's only init'd once per class.
	static void			cleanupClass();	// Cleanup data that's only init'd once per class.
	virtual void 		initInstance(); // Called after construction to initialize the class.
protected:
	virtual				~LLVOAvatar();
	BOOL				loadSkeletonNode();
	BOOL				loadMeshNodes();
	virtual BOOL		loadLayersets();

/**                    Initialization
 **                                                                            **
 *******************************************************************************/

/********************************************************************************
 **                                                                            **
 **                    INHERITED
 **/

	//--------------------------------------------------------------------
	// LLViewerObject interface and related
	//--------------------------------------------------------------------
public:
	virtual void			updateGL();
	virtual	LLVOAvatar*		asAvatar();
	virtual U32    	 	 	processUpdateMessage(LLMessageSystem *mesgsys,
													 void **user_data,
													 U32 block_num,
													 const EObjectUpdateType update_type,
													 LLDataPacker *dp);
	virtual void   	 	 	idleUpdate(LLAgent &agent, LLWorld &world, const F64 &time);
	virtual BOOL   	 	 	updateLOD();
	BOOL  	 	 	 	 	updateJointLODs();
	void					updateLODRiggedAttachments( void );
	virtual BOOL   	 	 	isActive() const; // Whether this object needs to do an idleUpdate.
	virtual void   	 	 	updateTextures();
	virtual S32    	 	 	setTETexture(const U8 te, const LLUUID& uuid); // If setting a baked texture, need to request it from a non-local sim.
	virtual void   	 	 	onShift(const LLVector4a& shift_vector);
	virtual U32    	 	 	getPartitionType() const;
	virtual const  	 	 	LLVector3 getRenderPosition() const;
	virtual void   	 	 	updateDrawable(BOOL force_damped);
	virtual LLDrawable* 	createDrawable(LLPipeline *pipeline);
	virtual BOOL   	 	 	updateGeometry(LLDrawable *drawable);
	virtual void   	 	 	setPixelAreaAndAngle(LLAgent &agent);
	virtual void   	 	 	updateRegion(LLViewerRegion *regionp);
	virtual void   	 	 	updateSpatialExtents(LLVector4a& newMin, LLVector4a &newMax);
	virtual void   	 	 	getSpatialExtents(LLVector4a& newMin, LLVector4a& newMax);
	virtual BOOL   	 	 	lineSegmentIntersect(const LLVector3& start, const LLVector3& end,
												 S32 face = -1,                    // which face to check, -1 = ALL_SIDES
												 BOOL pick_transparent = FALSE,
												 S32* face_hit = NULL,             // which face was hit
												 LLVector3* intersection = NULL,   // return the intersection point
												 LLVector2* tex_coord = NULL,      // return the texture coordinates of the intersection point
												 LLVector3* normal = NULL,         // return the surface normal at the intersection point
												 LLVector3* bi_normal = NULL);     // return the surface bi-normal at the intersection point
	LLViewerObject*	lineSegmentIntersectRiggedAttachments(const LLVector3& start, const LLVector3& end,
												 S32 face = -1,                    // which face to check, -1 = ALL_SIDES
												 BOOL pick_transparent = FALSE,
												 S32* face_hit = NULL,             // which face was hit
												 LLVector3* intersection = NULL,   // return the intersection point
												 LLVector2* tex_coord = NULL,      // return the texture coordinates of the intersection point
												 LLVector3* normal = NULL,         // return the surface normal at the intersection point
												 LLVector3* bi_normal = NULL);     // return the surface bi-normal at the intersection point

	//--------------------------------------------------------------------
	// LLCharacter interface and related
	//--------------------------------------------------------------------
public:
	virtual LLVector3    	getCharacterPosition();
	virtual LLQuaternion 	getCharacterRotation();
	virtual LLVector3    	getCharacterVelocity();
	virtual LLVector3    	getCharacterAngularVelocity();
	virtual LLJoint*		getCharacterJoint(U32 num);
	virtual BOOL			allocateCharacterJoints(U32 num);

	virtual LLUUID			remapMotionID(const LLUUID& id);
	virtual BOOL			startMotion(const LLUUID& id, F32 time_offset = 0.f);
	virtual BOOL			stopMotion(const LLUUID& id, BOOL stop_immediate = FALSE);
	virtual void			stopMotionFromSource(const LLUUID& source_id);
	virtual void			requestStopMotion(LLMotion* motion);
	LLMotion*				findMotion(const LLUUID& id) const;
	void					startDefaultMotions();
	void					dumpAnimationState();

	virtual LLJoint*		getJoint(const std::string &name);
	virtual LLJoint*     	getRootJoint() { return &mRoot; }
	
	void					resetJointPositions( void );
	void					resetJointPositionsToDefault( void );
	void					resetSpecificJointPosition( const std::string& name );
	
	virtual const char*		getAnimationPrefix() { return "avatar"; }
	virtual const LLUUID&   getID() const;
	virtual LLVector3		getVolumePos(S32 joint_index, LLVector3& volume_offset);
	virtual LLJoint*		findCollisionVolume(U32 volume_id);
	virtual S32				getCollisionVolumeID(std::string &name);
	virtual void			addDebugText(const std::string& text);
	virtual F32          	getTimeDilation();
	virtual void			getGround(const LLVector3 &inPos, LLVector3 &outPos, LLVector3 &outNorm);
	virtual F32				getPixelArea() const;
	virtual LLPolyMesh*		getHeadMesh();
	virtual LLPolyMesh*		getUpperBodyMesh();
	virtual LLVector3d		getPosGlobalFromAgent(const LLVector3 &position);
	virtual LLVector3		getPosAgentFromGlobal(const LLVector3d &position);
	virtual void			updateVisualParams();


/**                    Inherited
 **                                                                            **
 *******************************************************************************/

/********************************************************************************
 **                                                                            **
 **                    STATE
 **/

public:
	virtual bool 	isSelf() const { return false; } // True if this avatar is for this viewer's agent
	bool isBuilt() const { return mIsBuilt; }

private: //aligned members
	LL_ALIGN_16(LLVector4a	mImpostorExtents[2]);

private:
	BOOL			mSupportsAlphaLayers; // For backwards compatibility, TRUE for 1.23+ clients

	//--------------------------------------------------------------------
	// Updates
	//--------------------------------------------------------------------
public:
	virtual BOOL 	updateCharacter(LLAgent &agent);
	void 			idleUpdateVoiceVisualizer(bool voice_enabled);
	void 			idleUpdateMisc(bool detailed_update);
	virtual void	idleUpdateAppearanceAnimation();
	void 			idleUpdateLipSync(bool voice_enabled);
	void 			idleUpdateLoadingEffect();
	void 			idleUpdateWindEffect();
	void 			idleUpdateNameTag(const LLVector3& root_pos_last);
	void			idleUpdateNameTagText(BOOL new_name);
	LLVector3		idleUpdateNameTagPosition(const LLVector3& root_pos_last);
	void			idleUpdateNameTagAlpha(BOOL new_name, F32 alpha);
	LLColor4		getNameTagColor(bool is_friend);
	void			clearNameTag();
	static void		invalidateNameTag(const LLUUID& agent_id);
	// force all name tags to rebuild, useful when display names turned on/off
	static void		invalidateNameTags();
	void			addNameTagLine(const std::string& line, const LLColor4& color, S32 style, const LLFontGL* font);
	void 			idleUpdateRenderCost();
	void			updateVisualComplexity() { mVisualComplexityStale = TRUE; }
	void 			idleUpdateBelowWater();

	//--------------------------------------------------------------------
	// Static preferences (controlled by user settings/menus)
	//--------------------------------------------------------------------
public:
	static S32		sRenderName;
	static BOOL		sRenderGroupTitles;
	static U32		sMaxVisible; //(affected by control "RenderAvatarMaxVisible")
	static F32		sRenderDistance; //distance at which avatars will render.
	static BOOL		sShowAnimationDebug; // show animation debug info
	static BOOL		sUseImpostors; //use impostors for far away avatars
	static BOOL		sShowFootPlane;	// show foot collision plane reported by server
	static BOOL		sShowCollisionVolumes;	// show skeletal collision volumes
	static BOOL		sVisibleInFirstPerson;
	static S32		sNumLODChangesThisFrame;
	static S32		sNumVisibleChatBubbles;
	static BOOL		sDebugInvisible;
	static BOOL		sShowAttachmentPoints;
	static F32		sLODFactor; // user-settable LOD factor
	static F32		sPhysicsLODFactor; // user-settable physics LOD factor
	static BOOL		sJointDebug; // output total number of joints being touched for each avatar
	static BOOL		sDebugAvatarRotation;

	//--------------------------------------------------------------------
	// Region state
	//--------------------------------------------------------------------
public:
	LLHost			getObjectHost() const;

	//--------------------------------------------------------------------
	// Loading state
	//--------------------------------------------------------------------
public:
	BOOL			isFullyLoaded() const;
	bool			isTooComplex() const;
	bool 			visualParamWeightsAreDefault();
	virtual BOOL	getIsCloud() const;
	BOOL			isFullyTextured() const;
	BOOL			hasGray() const; 
	S32				getRezzedStatus() const; // 0 = cloud, 1 = gray, 2 = fully textured.
	void			updateRezzedStatusTimers();

	S32				mLastRezzedStatus;

	LLViewerStats::PhaseMap& getPhases()
	{
		return mPhases;
	}

protected:
	BOOL			updateIsFullyLoaded();
	BOOL			processFullyLoadedChange(bool loading);
	void			updateRuthTimer(bool loading);
	F32 			calcMorphAmount();
private:
	BOOL			mFirstFullyVisible;
	BOOL			mFullyLoaded;
	BOOL			mPreviousFullyLoaded;
	BOOL			mFullyLoadedInitialized;
	S32				mFullyLoadedFrameCounter;
	S32				mVisualComplexity;
	BOOL			mVisualComplexityStale;
	LLFrameTimer	mFullyLoadedTimer;
	LLFrameTimer	mRuthTimer;

public:
	class ScopedPhaseSetter
	{
	public:
		ScopedPhaseSetter(LLVOAvatar *avatarp, std::string phase_name):
			mAvatar(avatarp), mPhaseName(phase_name)
		{
			if (mAvatar) { mAvatar->getPhases().startPhase(mPhaseName); }
		}
		~ScopedPhaseSetter()
		{
			if (mAvatar) { mAvatar->getPhases().stopPhase(mPhaseName); }
		}
	private:
		std::string mPhaseName;
		LLVOAvatar* mAvatar;
	};

private:
	LLViewerStats::PhaseMap mPhases;

protected:
	LLFrameTimer    mInvisibleTimer;
	
/**                    State
 **                                                                            **
 *******************************************************************************/

/********************************************************************************
 **                                                                            **
 **                    SKELETON
 **/

public:
	void				updateHeadOffset();
	F32					getPelvisToFoot() const { return mPelvisToFoot; }
	void				setPelvisOffset( bool hasOffset, const LLVector3& translation, F32 offset ) ;
	bool				hasPelvisOffset( void ) { return mHasPelvisOffset; }
	void				postPelvisSetRecalc( void );
	void				setPelvisOffset( F32 pelvixFixupAmount );

	bool				mHasPelvisOffset;
	LLVector3			mPelvisOffset;
	F32					mLastPelvisToFoot;
	F32					mPelvisFixup;
	F32					mLastPelvisFixup;

	LLVector3			mHeadOffset; // current head position
	LLViewerJoint		mRoot;

	typedef std::map<std::string, LLJoint*> joint_map_t;
	joint_map_t			mJointMap;

protected:
	static BOOL			parseSkeletonFile(const std::string& filename);
	void				buildCharacter();
	virtual BOOL		loadAvatar();

	BOOL				setupBone(const LLVOAvatarBoneInfo* info, LLViewerJoint* parent, S32 &current_volume_num, S32 &current_joint_num);
	BOOL				buildSkeleton(const LLVOAvatarSkeletonInfo *info);
private:
	BOOL				mIsBuilt; // state of deferred character building
	S32					mNumJoints;
	LLViewerJoint*		mSkeleton;
	
	//--------------------------------------------------------------------
	// Pelvis height adjustment members.
	//--------------------------------------------------------------------
public:
	LLVector3			mBodySize;
	S32					mLastSkeletonSerialNum;
private:
	F32					mPelvisToFoot;

	//--------------------------------------------------------------------
	// Cached pointers to well known joints
	//--------------------------------------------------------------------
public:
	LLViewerJoint* 		mPelvisp;
	LLViewerJoint* 		mTorsop;
	LLViewerJoint* 		mChestp;
	LLViewerJoint* 		mNeckp;
	LLViewerJoint* 		mHeadp;
	LLViewerJoint* 		mSkullp;
	LLViewerJoint* 		mEyeLeftp;
	LLViewerJoint* 		mEyeRightp;
	LLViewerJoint* 		mHipLeftp;
	LLViewerJoint* 		mHipRightp;
	LLViewerJoint* 		mKneeLeftp;
	LLViewerJoint* 		mKneeRightp;
	LLViewerJoint* 		mAnkleLeftp;
	LLViewerJoint* 		mAnkleRightp;
	LLViewerJoint* 		mFootLeftp;
	LLViewerJoint* 		mFootRightp;
	LLViewerJoint* 		mWristLeftp;
	LLViewerJoint* 		mWristRightp;

	//--------------------------------------------------------------------
	// XML parse tree
	//--------------------------------------------------------------------
private:
	static LLXmlTree 	sXMLTree; // avatar config file
	static LLXmlTree 	sSkeletonXMLTree; // avatar skeleton file

/**                    Skeleton
 **                                                                            **
 *******************************************************************************/

/********************************************************************************
 **                                                                            **
 **                    RENDERING
 **/

public:
	U32 		renderImpostor(LLColor4U color = LLColor4U(255,255,255,255), S32 diffuse_channel = 0);
	bool		isVisuallyMuted() const;

	U32 		renderRigid();
	U32 		renderSkinned(EAvatarRenderPass pass);
	F32			getLastSkinTime() { return mLastSkinTime; }
	U32 		renderTransparent(BOOL first_pass);
	void 		renderCollisionVolumes();
	static void	deleteCachedImages(bool clearAll=true);
	static void	destroyGL();
	static void	restoreGL();
	BOOL 		mIsDummy; // for special views
	S32			mSpecialRenderMode; // special lighting
	U32			mAttachmentGeometryBytes; //number of bytes in attached geometry
	F32			mAttachmentSurfaceArea; //estimated surface area of attachments

private:
	bool		shouldAlphaMask();

	BOOL 		mNeedsSkin; // avatar has been animated and verts have not been updated
	F32			mLastSkinTime; //value of gFrameTimeSeconds at last skin update

	S32	 		mUpdatePeriod;
	S32  		mNumInitFaces; //number of faces generated when creating the avatar drawable, does not inculde splitted faces due to long vertex buffer.

	//--------------------------------------------------------------------
	// Morph masks
	//--------------------------------------------------------------------
public:
	BOOL 		morphMaskNeedsUpdate(LLVOAvatarDefines::EBakedTextureIndex index = LLVOAvatarDefines::BAKED_NUM_INDICES);
	void 		addMaskedMorph(LLVOAvatarDefines::EBakedTextureIndex index, LLPolyMorphTarget* morph_target, BOOL invert, std::string layer);
	void 		applyMorphMask(U8* tex_data, S32 width, S32 height, S32 num_components, LLVOAvatarDefines::EBakedTextureIndex index = LLVOAvatarDefines::BAKED_NUM_INDICES);

	//--------------------------------------------------------------------
	// Visibility
	//--------------------------------------------------------------------
protected:
	void 		updateVisibility();
private:
	U32	 		mVisibilityRank;
	BOOL 		mVisible;
	
	//--------------------------------------------------------------------
	// Shadowing
	//--------------------------------------------------------------------
public:
	void 		updateShadowFaces();
	LLDrawable*	mShadow;
private:
	LLFace* 	mShadow0Facep;
	LLFace* 	mShadow1Facep;
	LLPointer<LLViewerTexture> mShadowImagep;

	//--------------------------------------------------------------------
	// Impostors
	//--------------------------------------------------------------------
public:
	BOOL 		isImpostor() const;
	BOOL 	    needsImpostorUpdate() const;
	const LLVector3& getImpostorOffset() const;
	const LLVector2& getImpostorDim() const;
	void 		getImpostorValues(LLVector4a* extents, LLVector3& angle, F32& distance) const;
	void 		cacheImpostorValues();
	void 		setImpostorDim(const LLVector2& dim);
	static void	resetImpostors();
	static void updateImpostors();
	LLRenderTarget mImpostor;
	BOOL		mNeedsImpostorUpdate;
private:
	LLVector3	mImpostorOffset;
	LLVector2	mImpostorDim;
	BOOL		mNeedsAnimUpdate;
	LLVector3	mImpostorAngle;
	F32			mImpostorDistance;
	F32			mImpostorPixelArea;
	LLVector3	mLastAnimExtents[2];  
	
	LLCachedControl<bool> mRenderUnloadedAvatar;

	//--------------------------------------------------------------------
	// Wind rippling in clothes
	//--------------------------------------------------------------------
public:
	LLVector4	mWindVec;
	F32			mRipplePhase;
	BOOL		mBelowWater;
private:
	F32			mWindFreq;
	LLFrameTimer mRippleTimer;
	F32			mRippleTimeLast;
	LLVector3	mRippleAccel;
	LLVector3	mLastVel;

	//--------------------------------------------------------------------
	// Culling
	//--------------------------------------------------------------------
public:
	static void	cullAvatarsByPixelArea();
	BOOL		isCulled() const { return mCulled; }
private:
	BOOL		mCulled;

	//--------------------------------------------------------------------
	// Freeze counter
	//--------------------------------------------------------------------
public:
	static void updateFreezeCounter(S32 counter = 0);
private:
	static S32  sFreezeCounter;

	//--------------------------------------------------------------------
	// Constants
	//--------------------------------------------------------------------
public:
	virtual LLViewerTexture::EBoostLevel 	getAvatarBoostLevel() const { return LLViewerTexture::BOOST_AVATAR; }
	virtual LLViewerTexture::EBoostLevel 	getAvatarBakedBoostLevel() const { return LLViewerTexture::BOOST_AVATAR_BAKED; }
	virtual S32 						getTexImageSize() const;
	virtual S32 						getTexImageArea() const { return getTexImageSize()*getTexImageSize(); }

/**                    Rendering
 **                                                                            **
 *******************************************************************************/

/********************************************************************************
 **                                                                            **
 **                    TEXTURES
 **/

	//--------------------------------------------------------------------
	// Loading status
	//--------------------------------------------------------------------
public:
	virtual BOOL    isTextureDefined(LLVOAvatarDefines::ETextureIndex type, U32 index = 0) const;
	virtual BOOL	isTextureVisible(LLVOAvatarDefines::ETextureIndex type, U32 index = 0) const;
	virtual BOOL	isTextureVisible(LLVOAvatarDefines::ETextureIndex type, LLWearable *wearable) const;

	BOOL			isFullyBaked();
	static BOOL		areAllNearbyInstancesBaked(S32& grey_avatars);
	static void		getNearbyRezzedStats(std::vector<S32>& counts);
	static std::string rezStatusToString(S32 status);

	//--------------------------------------------------------------------
	// Baked textures
	//--------------------------------------------------------------------
public:
	void			releaseComponentTextures(); // ! BACKWARDS COMPATIBILITY !
protected:
	static void		onBakedTextureMasksLoaded(BOOL success, LLViewerFetchedTexture *src_vi, LLImageRaw* src, LLImageRaw* aux_src, S32 discard_level, BOOL final, void* userdata);
	static void		onInitialBakedTextureLoaded(BOOL success, LLViewerFetchedTexture *src_vi, LLImageRaw* src, LLImageRaw* aux_src, S32 discard_level, BOOL final, void* userdata);
	static void		onBakedTextureLoaded(BOOL success, LLViewerFetchedTexture *src_vi, LLImageRaw* src, LLImageRaw* aux_src, S32 discard_level, BOOL final, void* userdata);
	virtual void	removeMissingBakedTextures();
	void			useBakedTexture(const LLUUID& id);

	typedef std::deque<LLMaskedMorph *> 	morph_list_t;
	struct BakedTextureData
	{
		LLUUID								mLastTextureIndex;
		LLTexLayerSet* 						mTexLayerSet; // Only exists for self
		bool								mIsLoaded;
		bool								mIsUsed;
		LLVOAvatarDefines::ETextureIndex 	mTextureIndex;
		U32									mMaskTexName;
		// Stores pointers to the joint meshes that this baked texture deals with
		std::vector< LLViewerJointMesh * > 	mMeshes;  // std::vector<LLViewerJointMesh> mJoints[i]->mMeshParts
		morph_list_t						mMaskedMorphs;
	};
	typedef std::vector<BakedTextureData> 	bakedtexturedata_vec_t;
	bakedtexturedata_vec_t 					mBakedTextureDatas;
	LLLoadedCallbackEntry::source_callback_list_t mCallbackTextureList ; 
	BOOL mLoadedCallbacksPaused;
	//--------------------------------------------------------------------
	// Local Textures
	//--------------------------------------------------------------------
protected:
	virtual void	setLocalTexture(LLVOAvatarDefines::ETextureIndex type, LLViewerTexture* tex, BOOL baked_version_exits, U32 index = 0);
	virtual void	addLocalTextureStats(LLVOAvatarDefines::ETextureIndex type, LLViewerFetchedTexture* imagep, F32 texel_area_ratio, BOOL rendered, BOOL covered_by_baked, U32 index = 0);
	// MULTI-WEARABLE: make self-only?
	virtual void	setBakedReady(LLVOAvatarDefines::ETextureIndex type, BOOL baked_version_exists, U32 index = 0);

	//--------------------------------------------------------------------
	// Texture accessors
	//--------------------------------------------------------------------
private:
	virtual	void				setImage(const U8 te, LLViewerTexture *imagep, const U32 index); 
	virtual LLViewerTexture*	getImage(const U8 te, const U32 index) const;

	virtual const LLTextureEntry* getTexEntry(const U8 te_num) const;
	virtual void setTexEntry(const U8 index, const LLTextureEntry &te);

	void checkTextureLoading() ;
	//--------------------------------------------------------------------
	// Layers
	//--------------------------------------------------------------------
protected:
	void			deleteLayerSetCaches(bool clearAll = true);
	void			addBakedTextureStats(LLViewerFetchedTexture* imagep, F32 pixel_area, F32 texel_area_ratio, S32 boost_level);

	//--------------------------------------------------------------------
	// Composites
	//--------------------------------------------------------------------
public:
	virtual void	invalidateComposite(LLTexLayerSet* layerset, BOOL upload_result);
	virtual void	invalidateAll();
	virtual void	setCompositeUpdatesEnabled(bool b) {}
	virtual void 	setCompositeUpdatesEnabled(U32 index, bool b) {}
	virtual bool 	isCompositeUpdateEnabled(U32 index) { return false; }

	//--------------------------------------------------------------------
	// Static texture/mesh/baked dictionary
	//--------------------------------------------------------------------
public:
	static BOOL 	isIndexLocalTexture(LLVOAvatarDefines::ETextureIndex i);
	static BOOL 	isIndexBakedTexture(LLVOAvatarDefines::ETextureIndex i);
private:
	static const LLVOAvatarDefines::LLVOAvatarDictionary *getDictionary() { return sAvatarDictionary; }
	static LLVOAvatarDefines::LLVOAvatarDictionary* sAvatarDictionary;
	static LLVOAvatarSkeletonInfo* 					sAvatarSkeletonInfo;
	static LLVOAvatarXmlInfo* 						sAvatarXmlInfo;

	//--------------------------------------------------------------------
	// Messaging
	//--------------------------------------------------------------------
public:
	void 			onFirstTEMessageReceived();
private:
	BOOL			mFirstTEMessageReceived;
	BOOL			mFirstAppearanceMessageReceived;
	
/**                    Textures
 **                                                                            **
 *******************************************************************************/

/********************************************************************************
 **                                                                            **
 **                    MESHES
 **/

public:
	void 			updateMeshTextures();
	void 			updateSexDependentLayerSets(BOOL upload_bake);
	void 			dirtyMesh(); // Dirty the avatar mesh
	void 			updateMeshData();
protected:
	void 			releaseMeshData();
	virtual void restoreMeshData();
private:
	void 			dirtyMesh(S32 priority); // Dirty the avatar mesh, with priority
	S32 			mDirtyMesh; // 0 -- not dirty, 1 -- morphed, 2 -- LOD
	BOOL			mMeshTexturesDirty;

	typedef std::multimap<std::string, LLPolyMesh*> polymesh_map_t;
	polymesh_map_t 									mMeshes;
	std::vector<LLViewerJoint *> 					mMeshLOD;

	//--------------------------------------------------------------------
	// Destroy invisible mesh
	//--------------------------------------------------------------------
protected:
	BOOL			mMeshValid;
	LLFrameTimer	mMeshInvisibleTime;

/**                    Meshes
 **                                                                            **
 *******************************************************************************/

/********************************************************************************
 **                                                                            **
 **                    APPEARANCE
 **/

public:
	void 			processAvatarAppearance(LLMessageSystem* mesgsys);
	void 			hideSkirt();
	void			startAppearanceAnimation();
	
	//--------------------------------------------------------------------
	// Appearance morphing
	//--------------------------------------------------------------------
public:
	BOOL			getIsAppearanceAnimating() const { return mAppearanceAnimating; }
private:
	BOOL			mAppearanceAnimating;
	LLFrameTimer	mAppearanceMorphTimer;
	F32				mLastAppearanceBlendTime;

	//--------------------------------------------------------------------
	// Clothing colors (convenience functions to access visual parameters)
	//--------------------------------------------------------------------
public:
	void			setClothesColor(LLVOAvatarDefines::ETextureIndex te, const LLColor4& new_color, BOOL upload_bake);
	LLColor4		getClothesColor(LLVOAvatarDefines::ETextureIndex te);
	static BOOL			teToColorParams(LLVOAvatarDefines::ETextureIndex te, U32 *param_name);

	//--------------------------------------------------------------------
	// Global colors
	//--------------------------------------------------------------------
public:
	LLColor4		getGlobalColor(const std::string& color_name ) const;
	void			onGlobalColorChanged(const LLTexGlobalColor* global_color, BOOL upload_bake);
private:
	LLTexGlobalColor* mTexSkinColor;
	LLTexGlobalColor* mTexHairColor;
	LLTexGlobalColor* mTexEyeColor;

	//--------------------------------------------------------------------
	// Visibility
	//--------------------------------------------------------------------
public:
	BOOL			isVisible() const;
	void			setVisibilityRank(U32 rank);
	U32				getVisibilityRank()  const { return mVisibilityRank; } // unused
	static S32 		sNumVisibleAvatars; // Number of instances of this class
	static LLColor4 getDummyColor();
/**                    Appearance
 **                                                                            **
 *******************************************************************************/

/********************************************************************************
 **                                                                            **
 **                    WEARABLES
 **/

public:
	virtual BOOL			isWearingWearableType(LLWearableType::EType type ) const;
	
	//--------------------------------------------------------------------
	// Attachments
	//--------------------------------------------------------------------
public:
	void 				clampAttachmentPositions();
	virtual const LLViewerJointAttachment* attachObject(LLViewerObject *viewer_object);
	virtual BOOL 		detachObject(LLViewerObject *viewer_object);
	void				cleanupAttachedMesh( LLViewerObject* pVO );
	static LLVOAvatar*  findAvatarFromAttachment(LLViewerObject* obj);
protected:
	LLViewerJointAttachment* getTargetAttachmentPoint(LLViewerObject* viewer_object);
	void 				lazyAttach();
	void				rebuildRiggedAttachments( void );

	//--------------------------------------------------------------------
	// Map of attachment points, by ID
	//--------------------------------------------------------------------
public:
	S32 				getAttachmentCount(); // Warning: order(N) not order(1) // currently used only by -self
	typedef std::map<S32, LLViewerJointAttachment*> attachment_map_t;
	attachment_map_t 								mAttachmentPoints;
	std::vector<LLPointer<LLViewerObject> > 		mPendingAttachment;

	//--------------------------------------------------------------------
	// HUD functions
	//--------------------------------------------------------------------
public:
	BOOL 				hasHUDAttachment() const;
	LLBBox 				getHUDBBox() const;
	void 				rebuildHUD();
	void 				resetHUDAttachments();
	BOOL				canAttachMoreObjects() const;
	BOOL				canAttachMoreObjects(U32 n) const;
protected:
	U32					getNumAttachments() const; // O(N), not O(1)

/**                    Wearables
 **                                                                            **
 *******************************************************************************/

/********************************************************************************
 **                                                                            **
 **                    ACTIONS
 **/

	//--------------------------------------------------------------------
	// Animations
	//--------------------------------------------------------------------
public:
	BOOL 			isAnyAnimationSignaled(const LLUUID *anim_array, const S32 num_anims) const;
	void 			processAnimationStateChanges();
protected:
	BOOL 			processSingleAnimationStateChange(const LLUUID &anim_id, BOOL start);
	void 			resetAnimations();
private:
	LLTimer			mAnimTimer;
	F32				mTimeLast;	

	//--------------------------------------------------------------------
	// Animation state data
	//--------------------------------------------------------------------
public:
	typedef std::map<LLUUID, S32>::iterator AnimIterator;
	std::map<LLUUID, S32> 					mSignaledAnimations; // requested state of Animation name/value
	std::map<LLUUID, S32> 					mPlayingAnimations; // current state of Animation name/value

	typedef std::multimap<LLUUID, LLUUID> 	AnimationSourceMap;
	typedef AnimationSourceMap::iterator 	AnimSourceIterator;
	AnimationSourceMap 						mAnimationSources; // object ids that triggered anim ids

	//--------------------------------------------------------------------
	// Chat
	//--------------------------------------------------------------------
public:
	void			addChat(const LLChat& chat);
	void	   		clearChat();
	void	   		startTyping() { mTyping = TRUE; mTypingTimer.reset(); }
	void			stopTyping() { mTyping = FALSE; }
private:
	BOOL			mVisibleChat;

	//--------------------------------------------------------------------
	// Lip synch morphs
	//--------------------------------------------------------------------
private:
	bool 		   	mLipSyncActive; // we're morphing for lip sync
	LLVisualParam* 	mOohMorph; // cached pointers morphs for lip sync
	LLVisualParam* 	mAahMorph; // cached pointers morphs for lip sync

	//--------------------------------------------------------------------
	// Flight
	//--------------------------------------------------------------------
public:
	BOOL			mInAir;
	LLFrameTimer	mTimeInAir;

/**                    Actions
 **                                                                            **
 *******************************************************************************/

/********************************************************************************
 **                                                                            **
 **                    PHYSICS
 **/

private:
	F32 		mSpeedAccum; // measures speed (for diagnostics mostly).
	BOOL 		mTurning; // controls hysteresis on avatar rotation
	F32			mSpeed; // misc. animation repeated state

	//--------------------------------------------------------------------
	// Collision volumes
	//--------------------------------------------------------------------
public:
  	S32			mNumCollisionVolumes;
	LLViewerJointCollisionVolume* mCollisionVolumes;
protected:
	BOOL		allocateCollisionVolumes(U32 num);

	//--------------------------------------------------------------------
	// Dimensions
	//--------------------------------------------------------------------
public:
	void 		resolveHeightGlobal(const LLVector3d &inPos, LLVector3d &outPos, LLVector3 &outNorm);
	bool		distanceToGround( const LLVector3d &startPoint, LLVector3d &collisionPoint, F32 distToIntersectionAlongRay );
	void 		resolveHeightAgent(const LLVector3 &inPos, LLVector3 &outPos, LLVector3 &outNorm);
	void 		resolveRayCollisionAgent(const LLVector3d start_pt, const LLVector3d end_pt, LLVector3d &out_pos, LLVector3 &out_norm);
	void 		slamPosition(); // Slam position to transmitted position (for teleport);
protected:
	void 		computeBodySize();

	//--------------------------------------------------------------------
	// Material being stepped on
	//--------------------------------------------------------------------
private:
	BOOL		mStepOnLand;
	U8			mStepMaterial;
	LLVector3	mStepObjectVelocity;

/**                    Physics
 **                                                                            **
 *******************************************************************************/

/********************************************************************************
 **                                                                            **
 **                    HIERARCHY
 **/

public:
	virtual BOOL 	setParent(LLViewerObject* parent);
	virtual void 	addChild(LLViewerObject *childp);
	virtual void 	removeChild(LLViewerObject *childp);

	//--------------------------------------------------------------------
	// Sitting
	//--------------------------------------------------------------------
public:
	void			sitDown(BOOL bSitting);
	BOOL			isSitting(){return mIsSitting;}
	void 			sitOnObject(LLViewerObject *sit_object);
	void 			getOffObject();
private:
	// set this property only with LLVOAvatar::sitDown method
	BOOL 			mIsSitting;

/**                    Hierarchy
 **                                                                            **
 *******************************************************************************/

/********************************************************************************
 **                                                                            **
 **                    NAME
 **/

public:
	std::string		getFullname() const; // Returns "FirstName LastName"
	std::string		avString() const; // Frequently used string in log messages "Avatar '<full name'"
protected:
	static void		getAnimLabels(LLDynamicArray<std::string>* labels);
	static void		getAnimNames(LLDynamicArray<std::string>* names);	
private:
	std::string		mNameString;		// UTF-8 title + name + status
	std::string  	mTitle;
	bool	  		mNameAway;
	bool	  		mNameBusy;
	bool	  		mNameMute;
	bool      		mNameAppearance;
	bool			mNameFriend;
	bool			mNameCloud;
	F32				mNameAlpha;
	BOOL      		mRenderGroupTitles;

	//--------------------------------------------------------------------
	// Display the name (then optionally fade it out)
	//--------------------------------------------------------------------
public:
	LLFrameTimer	mChatTimer;
	LLPointer<LLHUDNameTag> mNameText;
private:
	LLFrameTimer	mTimeVisible;
	std::deque<LLChat> mChats;
	BOOL			mTyping;
	LLFrameTimer	mTypingTimer;

/**                    Name
 **                                                                            **
 *******************************************************************************/

/********************************************************************************
 **                                                                            **
 **                    SOUNDS
 **/

	//--------------------------------------------------------------------
	// Voice visualizer
	//--------------------------------------------------------------------
public:
	// Responsible for detecting the user's voice signal (and when the
	// user speaks, it puts a voice symbol over the avatar's head) and gesticulations
	LLPointer<LLVoiceVisualizer>  mVoiceVisualizer;
	int					mCurrentGesticulationLevel;

	//--------------------------------------------------------------------
	// Step sound
	//--------------------------------------------------------------------
protected:
	const LLUUID& 		getStepSound() const;
private:
	// Global table of sound ids per material, and the ground
	const static LLUUID	sStepSounds[LL_MCODE_END];
	const static LLUUID	sStepSoundOnLand;

	//--------------------------------------------------------------------
	// Foot step state (for generating sounds)
	//--------------------------------------------------------------------
public:
	void 				setFootPlane(const LLVector4 &plane) { mFootPlane = plane; }
	LLVector4			mFootPlane;
private:
	BOOL				mWasOnGroundLeft;
	BOOL				mWasOnGroundRight;

/**                    Sounds
 **                                                                            **
 *******************************************************************************/

/********************************************************************************
 **                                                                            **
 **                    DIAGNOSTICS
 **/
	
	//--------------------------------------------------------------------
	// General
	//--------------------------------------------------------------------
public:
	static void			dumpArchetypeXML(void*);
	static void			dumpBakedStatus();
	const std::string 	getBakedStatusForPrintout() const;
	void				dumpAvatarTEs(const std::string& context) const;

	static F32 			sUnbakedTime; // Total seconds with >=1 unbaked avatars
	static F32 			sUnbakedUpdateTime; // Last time stats were updated (to prevent multiple updates per frame) 
	static F32 			sGreyTime; // Total seconds with >=1 grey avatars	
	static F32 			sGreyUpdateTime; // Last time stats were updated (to prevent multiple updates per frame) 
protected:
	S32					getUnbakedPixelAreaRank();
	BOOL				mHasGrey;
private:
	F32					mMinPixelArea;
	F32					mMaxPixelArea;
	F32					mAdjustedPixelArea;
	std::string  		mDebugText;


	//--------------------------------------------------------------------
	// Avatar Rez Metrics
	//--------------------------------------------------------------------
public:
	void 			debugAvatarRezTime(std::string notification_name, std::string comment = "");
	F32				debugGetExistenceTimeElapsedF32() const { return mDebugExistenceTimer.getElapsedTimeF32(); }

protected:
	LLFrameTimer	mRuthDebugTimer; // For tracking how long it takes for av to rez
	LLFrameTimer	mDebugExistenceTimer; // Debugging for how long the avatar has been in memory.

/**                    Diagnostics
 **                                                                            **
 *******************************************************************************/

/********************************************************************************
 **                                                                            **
 **                    SUPPORT CLASSES
 **/

protected: // Shared with LLVOAvatarSelf

	struct LLVOAvatarXmlInfo
	{
		LLVOAvatarXmlInfo();
		~LLVOAvatarXmlInfo();

		BOOL 	parseXmlSkeletonNode(LLXmlTreeNode* root);
		BOOL 	parseXmlMeshNodes(LLXmlTreeNode* root);
		BOOL 	parseXmlColorNodes(LLXmlTreeNode* root);
		BOOL 	parseXmlLayerNodes(LLXmlTreeNode* root);
		BOOL 	parseXmlDriverNodes(LLXmlTreeNode* root);
		BOOL	parseXmlMorphNodes(LLXmlTreeNode* root);

		struct LLVOAvatarMeshInfo
		{
			typedef std::pair<LLPolyMorphTargetInfo*,BOOL> morph_info_pair_t;
			typedef std::vector<morph_info_pair_t> morph_info_list_t;

			LLVOAvatarMeshInfo() : mLOD(0), mMinPixelArea(.1f) {}
			~LLVOAvatarMeshInfo()
			{
				morph_info_list_t::iterator iter;
				for (iter = mPolyMorphTargetInfoList.begin(); iter != mPolyMorphTargetInfoList.end(); iter++)
				{
					delete iter->first;
				}
				mPolyMorphTargetInfoList.clear();
			}

			std::string mType;
			S32			mLOD;
			std::string	mMeshFileName;
			std::string	mReferenceMeshName;
			F32			mMinPixelArea;
			morph_info_list_t mPolyMorphTargetInfoList;
		};
		typedef std::vector<LLVOAvatarMeshInfo*> mesh_info_list_t;
		mesh_info_list_t mMeshInfoList;

		typedef std::vector<LLPolySkeletalDistortionInfo*> skeletal_distortion_info_list_t;
		skeletal_distortion_info_list_t mSkeletalDistortionInfoList;
	
		struct LLVOAvatarAttachmentInfo
		{
			LLVOAvatarAttachmentInfo()
				: mGroup(-1), mAttachmentID(-1), mPieMenuSlice(-1), mVisibleFirstPerson(FALSE),
				  mIsHUDAttachment(FALSE), mHasPosition(FALSE), mHasRotation(FALSE) {}
			std::string mName;
			std::string mJointName;
			LLVector3 mPosition;
			LLVector3 mRotationEuler;
			S32 mGroup;
			S32 mAttachmentID;
			S32 mPieMenuSlice;
			BOOL mVisibleFirstPerson;
			BOOL mIsHUDAttachment;
			BOOL mHasPosition;
			BOOL mHasRotation;
		};
		typedef std::vector<LLVOAvatarAttachmentInfo*> attachment_info_list_t;
		attachment_info_list_t mAttachmentInfoList;
	
		LLTexGlobalColorInfo *mTexSkinColorInfo;
		LLTexGlobalColorInfo *mTexHairColorInfo;
		LLTexGlobalColorInfo *mTexEyeColorInfo;

		typedef std::vector<LLTexLayerSetInfo*> layer_info_list_t;
		layer_info_list_t mLayerInfoList;

		typedef std::vector<LLDriverParamInfo*> driver_info_list_t;
		driver_info_list_t mDriverInfoList;

		struct LLVOAvatarMorphInfo
		{
			LLVOAvatarMorphInfo()
				: mInvert(FALSE) {}
			std::string mName;
			std::string mRegion;
			std::string mLayer;
			BOOL mInvert;
		};

		typedef std::vector<LLVOAvatarMorphInfo*> morph_info_list_t;
		morph_info_list_t	mMorphMaskInfoList;
	};

	struct LLMaskedMorph
	{
		LLMaskedMorph(LLPolyMorphTarget *morph_target, BOOL invert, std::string layer) :
			mMorphTarget(morph_target), 
			mInvert(invert),
			mLayer(layer)
		{
			morph_target->addPendingMorphMask();
		}
	
		LLPolyMorphTarget	*mMorphTarget;
		BOOL				mInvert;
		std::string			mLayer;
	};

/**                    Support classes
 **                                                                            **
 *******************************************************************************/

}; // LLVOAvatar
extern const F32 SELF_ADDITIONAL_PRI;
extern const S32 MAX_TEXTURE_VIRTURE_SIZE_RESET_INTERVAL;

#endif // LL_VO_AVATAR_H