summaryrefslogtreecommitdiff
path: root/indra/newview/llvoavatar.h
blob: f8b2c068ffa3aac9687cbef833a85872af113c0e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
/**
 * @file llvoavatar.h
 * @brief Declaration of LLVOAvatar class which is a derivation fo
 * LLViewerObject
 *
 * $LicenseInfo:firstyear=2001&license=viewergpl$
 * 
 * Copyright (c) 2001-2009, Linden Research, Inc.
 * 
 * Second Life Viewer Source Code
 * The source code in this file ("Source Code") is provided by Linden Lab
 * to you under the terms of the GNU General Public License, version 2.0
 * ("GPL"), unless you have obtained a separate licensing agreement
 * ("Other License"), formally executed by you and Linden Lab.  Terms of
 * the GPL can be found in doc/GPL-license.txt in this distribution, or
 * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
 * 
 * There are special exceptions to the terms and conditions of the GPL as
 * it is applied to this Source Code. View the full text of the exception
 * in the file doc/FLOSS-exception.txt in this software distribution, or
 * online at
 * http://secondlifegrid.net/programs/open_source/licensing/flossexception
 * 
 * By copying, modifying or distributing this software, you acknowledge
 * that you have read and understood your obligations described above,
 * and agree to abide by those obligations.
 * 
 * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
 * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
 * COMPLETENESS OR PERFORMANCE.
 * $/LicenseInfo$
 */

#ifndef LL_LLVOAVATAR_H
#define LL_LLVOAVATAR_H

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

#include "llchat.h"
#include "lldrawpoolalpha.h"
#include "llviewerobject.h"
#include "llcharacter.h"
#include "llviewerjointmesh.h"
#include "llviewerjointattachment.h"
#include "llrendertarget.h"
#include "llwearable.h"
#include "llvoavatardefines.h"

extern const LLUUID ANIM_AGENT_BODY_NOISE;
extern const LLUUID ANIM_AGENT_BREATHE_ROT;
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 LLHUDText;
class LLHUDEffectSpiral;
class LLTexGlobalColor;

class LLVOAvatarBoneInfo;
class LLVOAvatarSkeletonInfo;
class LLVOAvatarXmlInfo;

//------------------------------------------------------------------------
// LLVOAvatar
//------------------------------------------------------------------------
class LLVOAvatar :
	public LLViewerObject,
	public LLCharacter
{
protected:
	virtual ~LLVOAvatar();

public:
	LLVOAvatar(const LLUUID &id, const LLPCode pcode, LLViewerRegion *regionp);
	/*virtual*/ void markDead();
	void startDefaultMotions();

	static void updateImpostors();

	//--------------------------------------------------------------------
	// LLViewerObject interface
	//--------------------------------------------------------------------
public:
	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.
	static BOOL parseSkeletonFile(const std::string& filename);
	virtual U32 processUpdateMessage(LLMessageSystem *mesgsys,
									 void **user_data,
									 U32 block_num,
									 const EObjectUpdateType update_type,
									 LLDataPacker *dp);
	/*virtual*/ BOOL idleUpdate(LLAgent &agent, LLWorld &world, const F64 &time);
	void idleUpdateVoiceVisualizer(bool voice_enabled);
	void idleUpdateMisc(bool detailed_update);
	void idleUpdateAppearanceAnimation();
	void idleUpdateLipSync(bool voice_enabled);
	void idleUpdateLoadingEffect();
	void idleUpdateWindEffect();
	void idleUpdateNameTag(const LLVector3& root_pos_last);
	void idleUpdateRenderCost();
	void idleUpdateTractorBeam();
	void idleUpdateBelowWater();

public:
	virtual BOOL updateLOD();
	/*virtual*/ BOOL isActive() const; // Whether this object needs to do an idleUpdate.

	// Graphical stuff for objects - maybe broken out into render class later?
	U32 renderFootShadows();
	U32 renderImpostor(LLColor4U color = LLColor4U(255,255,255,255));
	U32 renderRigid();
	U32 renderSkinned(EAvatarRenderPass pass);
	U32 renderTransparent(BOOL first_pass);
	void renderCollisionVolumes();
	
	/*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
		);

	/*virtual*/ void updateTextures(LLAgent &agent);
	// If setting a baked texture, need to request it from a non-local sim.
	/*virtual*/ S32 setTETexture(const U8 te, const LLUUID& uuid);
	/*virtual*/ void onShift(const LLVector3& shift_vector);
	virtual U32 getPartitionType() const;
	
	void updateVisibility();
	void updateAttachmentVisibility(U32 camera_mode);
	void clampAttachmentPositions();
	S32 getAttachmentCount(); // Warning: order(N) not order(1)

	// HUD functions
	BOOL hasHUDAttachment() const;
	LLBBox getHUDBBox() const;
	void rebuildHUD();

	/*virtual*/ LLDrawable* createDrawable(LLPipeline *pipeline);
	/*virtual*/ BOOL updateGeometry(LLDrawable *drawable);

	/*virtual*/ void setPixelAreaAndAngle(LLAgent &agent);
	BOOL updateJointLODs();

	virtual void updateRegion(LLViewerRegion *regionp);
	
	virtual const LLVector3 getRenderPosition() const;
	virtual void updateDrawable(BOOL force_damped);
	void updateSpatialExtents(LLVector3& newMin, LLVector3 &newMax);
	void getSpatialExtents(LLVector3& newMin, LLVector3& newMax);
	BOOL isImpostor() const;
	BOOL needsImpostorUpdate() const;
	const LLVector3& getImpostorOffset() const;
	const LLVector2& getImpostorDim() const;
	void getImpostorValues(LLVector3* extents, LLVector3& angle, F32& distance) const;
	void cacheImpostorValues();
	void setImpostorDim(const LLVector2& dim);

	//--------------------------------------------------------------------
	// LLCharacter interface
	//--------------------------------------------------------------------
public:
	virtual const char *getAnimationPrefix() { return "avatar"; }
	virtual LLJoint *getRootJoint() { return &mRoot; }
	virtual LLVector3 getCharacterPosition();
	virtual LLQuaternion getCharacterRotation();
	virtual LLVector3 getCharacterVelocity();
	virtual LLVector3 getCharacterAngularVelocity();
	virtual F32 getTimeDilation();
	virtual void getGround(const LLVector3 &inPos, LLVector3 &outPos, LLVector3 &outNorm);
	virtual BOOL allocateCharacterJoints( U32 num );
	virtual LLJoint *getCharacterJoint( U32 num );
	virtual void requestStopMotion( LLMotion* motion );
	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();
	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 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 const LLUUID& getID();
	virtual LLJoint *getJoint( const std::string &name );

	//--------------------------------------------------------------------
	// Other public functions
	//--------------------------------------------------------------------
public:
	static void		onCustomizeStart();
	static void		onCustomizeEnd();

public:
	static void		dumpTotalLocalTextureByteCount();
protected:
	void			getLocalTextureByteCount( S32* gl_byte_count );

public:
	LLMotion*		findMotion(const LLUUID& id);

	BOOL			isVisible();
	BOOL			isSelf() const { return mIsSelf; }
	BOOL			isCulled() const { return mCulled; }

public:
	static void		cullAvatarsByPixelArea();
	void			setVisibilityRank(U32 rank); 
	U32				getVisibilityRank(); // unused
protected:
	S32				getUnbakedPixelAreaRank();

public:
	void			dumpLocalTextures();
	const LLUUID&	grabLocalTexture(LLVOAvatarDefines::ETextureIndex index);
	BOOL			canGrabLocalTexture(LLVOAvatarDefines::ETextureIndex index);
	BOOL            isTextureDefined(U8 te) const;
	BOOL			isTextureVisible(U8 te) const;
	void			startAppearanceAnimation(BOOL set_by_user, BOOL play_sound);

	void			setCompositeUpdatesEnabled(BOOL b);

	void			addChat(const LLChat& chat);
	void			clearChat();
	void			startTyping() { mTyping = TRUE; mTypingTimer.reset(); }
	void			stopTyping() { mTyping = FALSE; }

	// Returns "FirstName LastName"
	std::string		getFullname() const;

	BOOL updateCharacter(LLAgent &agent);
	void updateHeadOffset();

	F32 getPelvisToFoot() const { return mPelvisToFoot; }

public:
	BOOL isAnyAnimationSignaled(const LLUUID *anim_array, const S32 num_anims);
	void processAnimationStateChanges();
protected:
	BOOL processSingleAnimationStateChange(const LLUUID &anim_id, BOOL start);
	void resetAnimations();

public:
	void resolveHeightGlobal(const LLVector3d &inPos, LLVector3d &outPos, LLVector3 &outNorm);
	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);

	// morph targets and such
	void processAvatarAppearance( LLMessageSystem* mesgsys );
	void onFirstTEMessageReceived();
	void updateSexDependentLayerSets( BOOL set_by_user );
	void dirtyMesh(); // Dirty the avatar mesh
	void hideSkirt();

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

	LLViewerJointAttachment* getTargetAttachmentPoint(LLViewerObject* viewer_object);
	BOOL attachObject(LLViewerObject *viewer_object);
	BOOL detachObject(LLViewerObject *viewer_object);
	void lazyAttach();

	void sitOnObject(LLViewerObject *sit_object);
	void getOffObject();

	BOOL isWearingAttachment( const LLUUID& inv_item_id );
	LLViewerObject* getWornAttachment( const LLUUID& inv_item_id );
	const std::string getAttachedPointName(const LLUUID& inv_item_id);

	static LLVOAvatar* findAvatarFromAttachment( LLViewerObject* obj );

	void			updateMeshTextures();

	//--------------------------------------------------------------------
	// texture compositing (used only by the LLTexLayer series of classes)
	//--------------------------------------------------------------------
public:
	LLColor4		getGlobalColor( const std::string& color_name );
	BOOL			isLocalTextureDataAvailable( LLTexLayerSet* layerset );
	BOOL			isLocalTextureDataFinal( LLTexLayerSet* layerset );
	LLVOAvatarDefines::ETextureIndex	getBakedTE( LLTexLayerSet* layerset );
	void			updateComposites();
	void			onGlobalColorChanged( LLTexGlobalColor* global_color, BOOL set_by_user );
	BOOL			getLocalTextureRaw( LLVOAvatarDefines::ETextureIndex index, LLImageRaw* image_raw_pp );
	BOOL			getLocalTextureGL( LLVOAvatarDefines::ETextureIndex index, LLImageGL** image_gl_pp );
	const LLUUID&	getLocalTextureID( LLVOAvatarDefines::ETextureIndex index );
	LLGLuint		getScratchTexName( LLGLenum format, U32* texture_bytes );
	BOOL			bindScratchTexture( LLGLenum format );
	void			invalidateComposite( LLTexLayerSet* layerset, BOOL set_by_user );
	void			invalidateAll();
	void			forceBakeAllTextures(bool slam_for_debug = false);
	static void		processRebakeAvatarTextures(LLMessageSystem* msg, void**);
	void			setNewBakedTexture( LLVOAvatarDefines::ETextureIndex i, const LLUUID& uuid );
	void			setCachedBakedTexture( LLVOAvatarDefines::ETextureIndex i, const LLUUID& uuid );
	void			releaseUnnecessaryTextures();
	void			requestLayerSetUploads();
	bool			hasPendingBakedUploads();
	static void		onLocalTextureLoaded( BOOL succcess, LLViewerImage *src_vi, LLImageRaw* src, LLImageRaw* aux_src, S32 discard_level, BOOL final, void* userdata );
	static void		dumpArchetypeXML( void* );
	static void		dumpScratchTextureByteCount();
	static void		dumpBakedStatus();
	static void		deleteCachedImages(bool clearAll=true);
	static void		destroyGL();
	static void		restoreGL();
	static void		resetImpostors();
	static enum EWearableType	getTEWearableType(LLVOAvatarDefines::ETextureIndex te );
	static LLUUID			getDefaultTEImageID(LLVOAvatarDefines::ETextureIndex te );
	static void		onChangeSelfInvisible(BOOL newvalue);
	void			setInvisible(BOOL newvalue);
	static LLColor4 getDummyColor();



	//--------------------------------------------------------------------
	// Clothing colors (conventience functions to access visual parameters
	//--------------------------------------------------------------------
public:
	void			setClothesColor( LLVOAvatarDefines::ETextureIndex te, const LLColor4& new_color, BOOL set_by_user );
	LLColor4		getClothesColor( LLVOAvatarDefines::ETextureIndex te );
	BOOL			teToColorParams( LLVOAvatarDefines::ETextureIndex te, const char* param_name[3] );

	BOOL			isWearingWearableType( EWearableType type );
	void			wearableUpdated( EWearableType type );

	//--------------------------------------------------------------------
	// texture compositing
	//--------------------------------------------------------------------
public:
	void			setLocTexTE( U8 te, LLViewerImage* image, BOOL set_by_user );
	void			setupComposites();

	//--------------------------------------------------------------------
	// Handling partially loaded avatars (Ruth)
	//--------------------------------------------------------------------
public:
	BOOL            isFullyLoaded();
	BOOL            updateIsFullyLoaded();
private:
	BOOL            mFullyLoaded;
	BOOL            mPreviousFullyLoaded;
	BOOL            mFullyLoadedInitialized;
	S32             mFullyLoadedFrameCounter;
	LLFrameTimer    mFullyLoadedTimer;

	//--------------------------------------------------------------------
	// Collision Volumes
	//--------------------------------------------------------------------
public:
	S32								mNumCollisionVolumes;
	LLViewerJointCollisionVolume*	mCollisionVolumes;

	//--------------------------------------------------------------------
	// 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;

	//--------------------------------------------------------------------
	// impostor state
	//--------------------------------------------------------------------
public:
	LLRenderTarget	mImpostor;
	BOOL			mNeedsImpostorUpdate;
private:
	LLVector3		mImpostorOffset;
	LLVector2		mImpostorDim;
	BOOL			mNeedsAnimUpdate;
	LLVector3		mImpostorExtents[2];
	LLVector3		mImpostorAngle;
	F32				mImpostorDistance;
	F32				mImpostorPixelArea;
	LLVector3		mLastAnimExtents[2];  

	//--------------------------------------------------------------------
	// Misc Render State
	//--------------------------------------------------------------------
public:
	BOOL			mIsDummy; // For special views
	S32				mSpecialRenderMode; // Special lighting

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

	//--------------------------------------------------------------------
	// Shadowing
	//--------------------------------------------------------------------
public:
	void updateShadowFaces();
	LLDrawable*		mShadow;
private:
	LLFace* mShadow0Facep;
	LLFace* mShadow1Facep;
	LLPointer<LLViewerImage> mShadowImagep;

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

	//--------------------------------------------------------------------
	// Pelvis height adjustment members.
	//--------------------------------------------------------------------
public:
	LLVector3		mBodySize;
	S32				mLastSkeletonSerialNum;
private:
	F32				mPelvisToFoot;

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

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

	//--------------------------------------------------------------------
	// appearance morphing
	//--------------------------------------------------------------------
public:
	BOOL			mAppearanceAnimating;
private:
	LLFrameTimer	mAppearanceMorphTimer;
	BOOL			mAppearanceAnimSetByUser;
	F32				mLastAppearanceBlendTime;

	//--------------------------------------------------------------------
	// Attachments
	//--------------------------------------------------------------------
public:
	// map of attachment points, by ID
	typedef std::map<S32, LLViewerJointAttachment*> attachment_map_t;
	attachment_map_t mAttachmentPoints;
	std::vector<LLPointer<LLViewerObject> > mPendingAttachment;

	//--------------------------------------------------------------------
	// static preferences that are controlled by user settings/menus
	//--------------------------------------------------------------------
public:
	static S32		sRenderName;
	static BOOL		sRenderGroupTitles;
	static S32		sMaxVisible;
	static F32		sRenderDistance; //distance at which avatars will render (affected by control "RenderAvatarMaxVisible")
	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		sVisibleInFirstPerson;
	static S32		sNumLODChangesThisFrame;
	static S32		sNumVisibleChatBubbles;
	static BOOL		sDebugInvisible;
	static BOOL		sShowAttachmentPoints;
	static F32		sLODFactor; // user-settable LOD factor
	static BOOL		sJointDebug; // output total number of joints being touched for each avatar
	static BOOL     sDebugAvatarRotation;

	static S32 sNumVisibleAvatars; // Number of instances of this class
	
	//--------------------------------------------------------------------
	// Miscellaneous public variables.
	//--------------------------------------------------------------------
public:
	BOOL			mInAir;
	LLFrameTimer	mTimeInAir;
	LLVector3 mHeadOffset; // current head position
	LLViewerJoint mRoot; // avatar skeleton
	BOOL mIsSitting; // sitting state

	//--------------------------------------------------------------------
	// Private member variables.
	//--------------------------------------------------------------------
private:
	BOOL mIsSelf; // True if this avatar is for this viewer's agent

	LLViewerJoint *mScreenp; // special purpose joint for HUD attachments
	BOOL mIsBuilt; // state of deferred character building
	F32 mSpeedAccum; // measures speed (for diagnostics mostly).

	
	// LLFrameTimer mUpdateLODTimer; // controls frequency of LOD change calculations
	BOOL mDirtyMesh;
	BOOL mTurning; // controls hysteresis on avatar rotation
	F32	mSpeed; // misc. animation repeated state

	// Keep track of the material being stepped on
	BOOL mStepOnLand;
	U8 mStepMaterial;
	LLVector3 mStepObjectVelocity;

	// Destroy mesh data after being invisible for a while
	BOOL			mMeshValid;
	BOOL			mVisible;
	LLFrameTimer	mMeshInvisibleTime;

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

	// Skeleton for skinned avatar
	S32				mNumJoints;
	LLViewerJoint*	mSkeleton;

	// Scratch textures used for compositing
	static LLMap< LLGLenum, LLGLuint*> sScratchTexNames;
	static LLMap< LLGLenum, F32*> sScratchTexLastBindTime;
	static S32 sScratchTexBytes;

	// Global table of sound ids per material, and the ground
	const static LLUUID	sStepSounds[LL_MCODE_END];
	const static LLUUID	sStepSoundOnLand;

	// Xml parse tree of avatar config file
	static LLXmlTree sXMLTree;
	// Xml parse tree of avatar skeleton file
	static LLXmlTree sSkeletonXMLTree;

	// Voice Visualizer is responsible for detecting the user's voice signal, and when the
	// user speaks, it puts a voice symbol over the avatar's head, and triggering gesticulations
	LLVoiceVisualizer*  mVoiceVisualizer;
	int					mCurrentGesticulationLevel;
	
	// Animation timer
	LLTimer		mAnimTimer;
	F32			mTimeLast;	

	LLPointer<LLHUDEffectSpiral> mBeam;
	LLFrameTimer mBeamTimer;

	F32		mAdjustedPixelArea;

	LLWString mNameString;
	std::string  mTitle;
	BOOL	  mNameAway;
	BOOL	  mNameBusy;
	BOOL	  mNameMute;
	BOOL      mNameAppearance;
	BOOL	  mVisibleChat;
	BOOL      mRenderGroupTitles;

	std::string  mDebugText;
	U64		  mLastRegionHandle;
	LLFrameTimer mRegionCrossingTimer;
	S32		  mRegionCrossingCount;
	
	//--------------------------------------------------------------------
	// local textures for compositing.
	//--------------------------------------------------------------------
private:
	LLUUID				mSavedTE[ LLVOAvatarDefines::TEX_NUM_INDICES ];
	BOOL				mFirstTEMessageReceived;
	BOOL				mFirstAppearanceMessageReceived;
	BOOL				mHasBakedHair;

	BOOL				mCulled;
	U32					mVisibilityRank;
	F32					mMinPixelArea; // debug
	F32					mMaxPixelArea; // debug
	BOOL				mHasGrey; // debug
	
	//--------------------------------------------------------------------
	// Global Colors
	//--------------------------------------------------------------------
private:
	LLTexGlobalColor*	mTexSkinColor;
	LLTexGlobalColor*	mTexHairColor;
	LLTexGlobalColor*	mTexEyeColor;

	BOOL				mNeedsSkin;  //if TRUE, avatar has been animated and verts have not been updated
	S32					mUpdatePeriod;

	//--------------------------------------------------------------------
	// Internal functions
	//--------------------------------------------------------------------
protected:
	void buildCharacter();
	void releaseMeshData();
	void restoreMeshData();
	void updateMeshData();
	void computeBodySize();
	const LLUUID& getStepSound() const;
	BOOL needsRenderBeam();

	BOOL			allocateCollisionVolumes( U32 num );
	void			resetHUDAttachments();
	static void		getAnimLabels( LLDynamicArray<std::string>* labels );
	static void		getAnimNames( LLDynamicArray<std::string>* names );

	//--------------------------------------------------------------------
	// Textures and Layers
	//--------------------------------------------------------------------
protected:
	BOOL			loadSkeletonNode();
	BOOL			loadMeshNodes();
	BOOL			isFullyBaked();
	void			deleteLayerSetCaches(bool clearAll = true);
	static BOOL		areAllNearbyInstancesBaked(S32& grey_avatars);
	static void		onBakedTextureMasksLoaded(BOOL success, LLViewerImage *src_vi, LLImageRaw* src, LLImageRaw* aux_src, S32 discard_level, BOOL final, void* userdata);
	void			setLocalTexture(LLVOAvatarDefines::ETextureIndex i, LLViewerImage* tex, BOOL baked_version_exits);
	void			requestLayerSetUpdate(LLVOAvatarDefines::ETextureIndex i);
	void			addLocalTextureStats(LLVOAvatarDefines::ETextureIndex i, LLViewerImage* imagep, F32 texel_area_ratio, BOOL rendered, BOOL covered_by_baked);
	void			addBakedTextureStats( LLViewerImage* imagep, F32 pixel_area, F32 texel_area_ratio, S32 boost_level);
	static void		onInitialBakedTextureLoaded( BOOL success, LLViewerImage *src_vi, LLImageRaw* src, LLImageRaw* aux_src, S32 discard_level, BOOL final, void* userdata );
	static void		onBakedTextureLoaded(BOOL success, LLViewerImage *src_vi, LLImageRaw* src, LLImageRaw* aux_src, S32 discard_level, BOOL final, void* userdata);
	void			useBakedTexture(const LLUUID& id);
	void			dumpAvatarTEs(const std::string& context);
	void			removeMissingBakedTextures();
	LLTexLayerSet*	getLayerSet(LLVOAvatarDefines::ETextureIndex index) const;
	LLHost			getObjectHost() const;
	S32				getLocalDiscardLevel(LLVOAvatarDefines::ETextureIndex index);
public:
	static void updateFreezeCounter(S32 counter = 0 );
private:
	static S32 sFreezeCounter;
	
	//-----------------------------------------------------------------------------------------------
	// Avatar skeleton setup.
	//-----------------------------------------------------------------------------------------------
private:
	BOOL loadAvatar();
	BOOL setupBone(const LLVOAvatarBoneInfo* info, LLViewerJoint* parent, S32 &current_volume_num, S32 &current_joint_num);
	BOOL buildSkeleton(const LLVOAvatarSkeletonInfo *info);

	//-----------------------------------------------------------------------------------------------
	// Per-avatar information about texture data.
	// To-do: Move this to private implementation class
	//-----------------------------------------------------------------------------------------------
private:
	struct BakedTextureData
	{
		LLUUID			mLastTextureIndex;
		LLTexLayerSet*	mTexLayerSet;
		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
	};
	typedef std::vector<BakedTextureData> bakedtexturedata_vec_t;
	bakedtexturedata_vec_t mBakedTextureData;

	struct LocalTextureData
	{
		LocalTextureData() : mIsBakedReady(FALSE), mDiscard(MAX_DISCARD_LEVEL+1), mImage(NULL)
		{}
		LLPointer<LLViewerImage> mImage;
		BOOL mIsBakedReady;
		S32 mDiscard;
	};
	typedef std::map<LLVOAvatarDefines::ETextureIndex, LocalTextureData> localtexture_map_t;
	localtexture_map_t mLocalTextureData;

	typedef std::multimap<std::string, LLPolyMesh*> polymesh_map_t;
	polymesh_map_t mMeshes;
	std::vector<LLViewerJoint *> mMeshLOD;
	S32 mNumInitFaces ; //number of faces generated when creating the avatar drawable, does not inculde splitted faces due to long vertex buffer.

	//-----------------------------------------------------------------------------------------------
	// Static texture/mesh/baked dictionary for avatars
	//-----------------------------------------------------------------------------------------------
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;

	//-----------------------------------------------------------------------------------------------
	// Diagnostics
	//-----------------------------------------------------------------------------------------------
public:
	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) 

	const std::string getBakedStatusForPrintout() const;
};

//-----------------------------------------------------------------------------------------------
// Inlines
//-----------------------------------------------------------------------------------------------
inline BOOL LLVOAvatar::isTextureDefined(U8 te) const
{
	return (getTEImage(te)->getID() != IMG_DEFAULT_AVATAR && getTEImage(te)->getID() != IMG_DEFAULT);
}

inline BOOL LLVOAvatar::isTextureVisible(U8 te) const
{
	return ((isTextureDefined(te) || isSelf())
			&& (getTEImage(te)->getID() != IMG_INVISIBLE 
				|| LLDrawPoolAlpha::sShowDebugAlpha));
}

#endif // LL_VO_AVATAR_H