summaryrefslogtreecommitdiff
path: root/indra/newview/llvoavatar.h
blob: edbfb943abe89c2ae9cc3529be656f6d69a29543 (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
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
/**
 * @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_VOAVATAR_H
#define LL_VOAVATAR_H

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

#include <boost/signals2/trackable.hpp>

#include "llavatarappearance.h"
#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 "llavatarappearancedefines.h"
#include "lltexglobalcolor.h"
#include "lldriverparam.h"
#include "llviewertexlayer.h"
#include "material_codes.h"		// LL_MCODE_END
#include "llrigginginfo.h"
#include "llviewerstats.h"
#include "llvovolume.h"
#include "llavatarrendernotifier.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 LLViewerWearable;
class LLVoiceVisualizer;
class LLHUDNameTag;
class LLHUDEffectSpiral;
class LLTexGlobalColor;

struct LLAppearanceMessageContents;
class LLViewerJointMesh;

const F32 MAX_AVATAR_LOD_FACTOR = 1.0f;


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

public:
	friend class LLVOAvatarSelf;

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

public:
	void* operator new(size_t size)
	{
		return LLTrace::MemTrackable<LLViewerObject>::aligned_new<16>(size);
	}

	void operator delete(void* ptr, size_t size)
	{
		LLTrace::MemTrackable<LLViewerObject>::aligned_delete<16>(ptr, size);
	}

	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();

/**                    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, const F64 &time);
	/*virtual*/ BOOL   	 	 	updateLOD();
	BOOL  	 	 	 	 	updateJointLODs();
	void					updateLODRiggedAttachments( void );
	/*virtual*/ BOOL   	 	 	isActive() const; // Whether this object needs to do an idleUpdate.
	S32Bytes				totalTextureMemForUUIDS(std::set<LLUUID>& ids);
	bool 						allTexturesCompletelyDownloaded(std::set<LLUUID>& ids) const;
	bool 						allLocalTexturesCompletelyDownloaded() const;
	bool 						allBakedTexturesCompletelyDownloaded() const;
	void 						bakedTextureOriginCounts(S32 &sb_count, S32 &host_count,
														 S32 &both_count, S32 &neither_count);
	std::string 				bakedTextureOriginInfo();
	void 						collectLocalTextureUUIDs(std::set<LLUUID>& ids) const;
	void 						collectBakedTextureUUIDs(std::set<LLUUID>& ids) const;
	void 						collectTextureUUIDs(std::set<LLUUID>& ids);
	void						releaseOldTextures();
	/*virtual*/ void   	 	 	updateTextures();
	LLViewerFetchedTexture*		getBakedTextureImage(const U8 te, const LLUUID& uuid);
	/*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);
	void			   	 	 	calculateSpatialExtents(LLVector4a& newMin, LLVector4a& newMax);
	/*virtual*/ BOOL   	 	 	lineSegmentIntersect(const LLVector4a& start, const LLVector4a& end,
												 S32 face = -1,                    // which face to check, -1 = ALL_SIDES
												 BOOL pick_transparent = FALSE,
												 BOOL pick_rigged = FALSE,
												 S32* face_hit = NULL,             // which face was hit
												 LLVector4a* intersection = NULL,   // return the intersection point
												 LLVector2* tex_coord = NULL,      // return the texture coordinates of the intersection point
												 LLVector4a* normal = NULL,         // return the surface normal at the intersection point
												 LLVector4a* tangent = NULL);     // return the surface tangent at the intersection point
	virtual LLViewerObject*	lineSegmentIntersectRiggedAttachments(
                                                 const LLVector4a& start, const LLVector4a& end,
												 S32 face = -1,                    // which face to check, -1 = ALL_SIDES
												 BOOL pick_transparent = FALSE,
												 BOOL pick_rigged = FALSE,
												 S32* face_hit = NULL,             // which face was hit
												 LLVector4a* intersection = NULL,   // return the intersection point
												 LLVector2* tex_coord = NULL,      // return the texture coordinates of the intersection point
												 LLVector4a* normal = NULL,         // return the surface normal at the intersection point
												 LLVector4a* tangent = NULL);     // return the surface tangent at the intersection point

	//--------------------------------------------------------------------
	// LLCharacter interface and related
	//--------------------------------------------------------------------
public:
	/*virtual*/ LLVector3    	getCharacterPosition();
	/*virtual*/ LLQuaternion 	getCharacterRotation();
	/*virtual*/ LLVector3    	getCharacterVelocity();
	/*virtual*/ LLVector3    	getCharacterAngularVelocity();

	/*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 bool			hasMotionFromSource(const LLUUID& source_id);
	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);
	LLJoint*		        getJoint(S32 num);

	void 					addAttachmentOverridesForObject(LLViewerObject *vo, std::set<LLUUID>* meshes_seen = NULL, bool recursive = true);
	void					removeAttachmentOverridesForObject(const LLUUID& mesh_id);
	void					removeAttachmentOverridesForObject(LLViewerObject *vo);
    bool					jointIsRiggedTo(const LLJoint *joint) const;
	void					clearAttachmentOverrides();
	void					rebuildAttachmentOverrides();
    void					updateAttachmentOverrides();
    void                    showAttachmentOverrides(bool verbose = false) const;
    void                    getAttachmentOverrideNames(std::set<std::string>& pos_names, 
                                                       std::set<std::string>& scale_names) const;

    void 					getAssociatedVolumes(std::vector<LLVOVolume*>& volumes);

    // virtual
    void 					updateRiggingInfo();
	// This encodes mesh id and LOD, so we can see whether display is up-to-date.
	std::map<LLUUID,S32>	mLastRiggingInfoKey;
	
    std::set<LLUUID>		mActiveOverrideMeshes;
    virtual void			onActiveOverrideMeshesChanged();
    
	/*virtual*/ const LLUUID&	getID() const;
	/*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*/ 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

	virtual bool 	isControlAvatar() const { return mIsControlAvatar; } // True if this avatar is a control av (no associated user)
	virtual bool 	isUIAvatar() const { return mIsUIAvatar; } // True if this avatar is a supplemental av used in some UI views (no associated user)

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

	//--------------------------------------------------------------------
	// Updates
	//--------------------------------------------------------------------
public:
    void			updateAppearanceMessageDebugText();
	void 			updateAnimationDebugText();
	virtual void	updateDebugText();
	virtual BOOL 	updateCharacter(LLAgent &agent);
    void			updateFootstepSounds();
    void			computeUpdatePeriod();
    void			updateOrientation(LLAgent &agent, F32 speed, F32 delta_time);
    void			updateTimeStep();
    void			updateRootPositionAndRotation(LLAgent &agent, F32 speed, bool was_sit_ground_constrained);
    
	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);
	void			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 			idleUpdateRenderComplexity();
    void 			accountRenderComplexityForObject(const LLViewerObject *attached_object,
                                                     const F32 max_attachment_complexity,
                                                     LLVOVolume::texture_cost_t& textures,
                                                     U32& cost,
                                                     hud_complexity_list_t& hud_complexity_list);
	void			calculateUpdateRenderComplexity();
	static const U32 VISUAL_COMPLEXITY_UNKNOWN;
	void			updateVisualComplexity();
	
	U32				getVisualComplexity()			{ return mVisualComplexity;				};		// Numbers calculated here by rendering AV
	F32				getAttachmentSurfaceArea()		{ return mAttachmentSurfaceArea;		};		// estimated surface area of attachments

	U32				getReportedVisualComplexity()					{ return mReportedVisualComplexity;				};	// Numbers as reported by the SL server
	void			setReportedVisualComplexity(U32 value)			{ mReportedVisualComplexity = value;			};
	
	S32				getUpdatePeriod()				{ return mUpdatePeriod;			};
	const LLColor4 &  getMutedAVColor()				{ return mMutedAVColor;			};
	static void     updateImpostorRendering(U32 newMaxNonImpostorsValue);

	void 			idleUpdateBelowWater();

	//--------------------------------------------------------------------
	// Static preferences (controlled by user settings/menus)
	//--------------------------------------------------------------------
public:
	static S32		sRenderName;
	static BOOL		sRenderGroupTitles;
	static const U32 IMPOSTORS_OFF; /* Must equal the maximum allowed the RenderAvatarMaxNonImpostors
									 * slider in panel_preferences_graphics1.xml */
	static U32		sMaxNonImpostors; //(affected by control "RenderAvatarMaxNonImpostors")
	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 = textured, 3 = textured and fully downloaded.
	void			updateRezzedStatusTimers(S32 status);

	S32				mLastRezzedStatus;

	
	void 			startPhase(const std::string& phase_name);
	void 			stopPhase(const std::string& phase_name, bool err_check = true);
	void			clearPhases();
	void 			logPendingPhases();
	static void 	logPendingPhasesAllAvatars();
	void 			logMetricsTimerRecord(const std::string& phase_name, F32 elapsed, bool completed);

    void            calcMutedAVColor();

protected:
	LLViewerStats::PhaseMap& getPhases() { return mPhases; }
	BOOL			updateIsFullyLoaded();
	BOOL			processFullyLoadedChange(bool loading);
	void			updateRuthTimer(bool loading);
	F32 			calcMorphAmount();

private:
	BOOL			mFirstFullyVisible;
	BOOL			mFullyLoaded;
	BOOL			mPreviousFullyLoaded;
	BOOL			mFullyLoadedInitialized;
	S32				mFullyLoadedFrameCounter;
	LLColor4		mMutedAVColor;
	LLFrameTimer	mFullyLoadedTimer;
	LLFrameTimer	mRuthTimer;

private:
	LLViewerStats::PhaseMap mPhases;

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

protected:
	/*virtual*/ LLAvatarJoint*	createAvatarJoint(); // Returns LLViewerJoint
	/*virtual*/ LLAvatarJoint*	createAvatarJoint(S32 joint_num); // Returns LLViewerJoint
	/*virtual*/ LLAvatarJointMesh*	createAvatarJointMesh(); // Returns LLViewerJointMesh
public:
	void				updateHeadOffset();
    void				debugBodySize() const;
	void				postPelvisSetRecalc( void );

	/*virtual*/ BOOL	loadSkeletonNode();
    void                initAttachmentPoints(bool ignore_hud_joints = false);
	/*virtual*/ void	buildCharacter();
    void                resetVisualParams();
    void				resetSkeleton(bool reset_animations);

	LLVector3			mCurRootToHeadOffset;
	LLVector3			mTargetRootToHeadOffset;

	S32					mLastSkeletonSerialNum;


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

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

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

	enum VisualMuteSettings
	{
		AV_RENDER_NORMALLY = 0,
		AV_DO_NOT_RENDER   = 1,
		AV_ALWAYS_RENDER   = 2
	};
	void		setVisualMuteSettings(VisualMuteSettings set);
	VisualMuteSettings  getVisualMuteSettings()						{ return mVisuallyMuteSetting;	};

	U32 		renderRigid();
	U32 		renderSkinned();
	F32			getLastSkinTime() { return mLastSkinTime; }
	U32 		renderTransparent(BOOL first_pass);
	void 		renderCollisionVolumes();
	void		renderBones(const std::string &selected_joint = std::string());
	void		renderJoints();
	static void	deleteCachedImages(bool clearAll=true);
	static void	destroyGL();
	static void	restoreGL();
	S32			mSpecialRenderMode; // special lighting
        
  private:
	F32			mAttachmentSurfaceArea; //estimated surface area of attachments
    U32			mAttachmentVisibleTriangleCount;
    F32			mAttachmentEstTriangleCount;
	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.

	// the isTooComplex method uses these mutable values to avoid recalculating too frequently
	mutable U32  mVisualComplexity;
	mutable bool mVisualComplexityStale;
	U32          mReportedVisualComplexity; // from other viewers through the simulator

	bool		mCachedInMuteList;
	F64			mCachedMuteListUpdateTime;

	VisualMuteSettings		mVisuallyMuteSetting;			// Always or never visually mute this AV

	//--------------------------------------------------------------------
	// animated object status
	//--------------------------------------------------------------------
public:
    bool mIsControlAvatar;
    bool mIsUIAvatar;
    bool mEnableDefaultMotions;

	//--------------------------------------------------------------------
	// Morph masks
	//--------------------------------------------------------------------
public:
	/*virtual*/ void	applyMorphMask(U8* tex_data, S32 width, S32 height, S32 num_components, LLAvatarAppearanceDefines::EBakedTextureIndex index = LLAvatarAppearanceDefines::BAKED_NUM_INDICES);
	BOOL 		morphMaskNeedsUpdate(LLAvatarAppearanceDefines::EBakedTextureIndex index = LLAvatarAppearanceDefines::BAKED_NUM_INDICES);

	
	//--------------------------------------------------------------------
	// Global colors
	//--------------------------------------------------------------------
public:
	/*virtual*/void onGlobalColorChanged(const LLTexGlobalColor* global_color);

	//--------------------------------------------------------------------
	// 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:
	virtual BOOL isImpostor();
	BOOL 		shouldImpostor(const U32 rank_factor = 1) 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;
	F32SecondsImplicit mLastImpostorUpdateFrameTime;
    const LLVector3*  getLastAnimExtents() const { return mLastAnimExtents; }
	void		setNeedsExtentUpdate(bool val) { mNeedsExtentUpdate = val; }

private:
	LLVector3	mImpostorOffset;
	LLVector2	mImpostorDim;
    // This becomes true in the constructor and false after the first
    // idleUpdateMisc(). Not clear it serves any purpose.
	BOOL		mNeedsAnimUpdate;
    bool		mNeedsExtentUpdate;
	LLVector3	mImpostorAngle;
	F32			mImpostorDistance;
	F32			mImpostorPixelArea;
	LLVector3	mLastAnimExtents[2];  
	LLVector3	mLastAnimBasePos;
	
	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 LLGLTexture::BOOST_AVATAR; }
	virtual LLViewerTexture::EBoostLevel 	getAvatarBakedBoostLevel() const { return LLGLTexture::BOOST_AVATAR_BAKED; }
	virtual S32 						getTexImageSize() const;
	/*virtual*/ S32						getTexImageArea() const { return getTexImageSize()*getTexImageSize(); }

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

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

	//--------------------------------------------------------------------
	// Loading status
	//--------------------------------------------------------------------
public:
	virtual BOOL    isTextureDefined(LLAvatarAppearanceDefines::ETextureIndex type, U32 index = 0) const;
	virtual BOOL	isTextureVisible(LLAvatarAppearanceDefines::ETextureIndex type, U32 index = 0) const;
	virtual BOOL	isTextureVisible(LLAvatarAppearanceDefines::ETextureIndex type, LLViewerWearable *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:
	/*virtual*/ LLTexLayerSet*	createTexLayerSet(); // Return LLViewerTexLayerSet
	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);
	LLViewerTexLayerSet*  getTexLayerSet(const U32 index) const { return dynamic_cast<LLViewerTexLayerSet*>(mBakedTextureDatas[index].mTexLayerSet);	}


	LLLoadedCallbackEntry::source_callback_list_t mCallbackTextureList ; 
	BOOL mLoadedCallbacksPaused;
	S32 mLoadedCallbackTextures; // count of 'loaded' baked textures, filled from mCallbackTextureList
	LLFrameTimer mLastTexCallbackAddedTime;
	std::set<LLUUID>	mTextureIDs;
	//--------------------------------------------------------------------
	// Local Textures
	//--------------------------------------------------------------------
protected:
	virtual void	setLocalTexture(LLAvatarAppearanceDefines::ETextureIndex type, LLViewerTexture* tex, BOOL baked_version_exits, U32 index = 0);
	virtual void	addLocalTextureStats(LLAvatarAppearanceDefines::ETextureIndex type, LLViewerFetchedTexture* imagep, F32 texel_area_ratio, BOOL rendered, BOOL covered_by_baked);
	// MULTI-WEARABLE: make self-only?
	virtual void	setBakedReady(LLAvatarAppearanceDefines::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;
	const std::string 			getImageURL(const U8 te, const LLUUID &uuid);

	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);
	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(LLAvatarAppearanceDefines::ETextureIndex i);
	static BOOL 	isIndexBakedTexture(LLAvatarAppearanceDefines::ETextureIndex i);
private:
	static const LLAvatarAppearanceDefines::LLAvatarAppearanceDictionary *getDictionary() { return sAvatarDictionary; }
	static LLAvatarAppearanceDefines::LLAvatarAppearanceDictionary* sAvatarDictionary;

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

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

public:
	void			debugColorizeSubMeshes(U32 i, const LLColor4& color);
	virtual void 	updateMeshTextures();
	void 			updateSexDependentLayerSets();
	virtual void	dirtyMesh(); // Dirty the avatar mesh
	void 			updateMeshData();
	void			updateMeshVisibility();
	LLViewerTexture*		getBakedTexture(const U8 te);

protected:
	void 			releaseMeshData();
	virtual void restoreMeshData();
private:
	virtual void	dirtyMesh(S32 priority); // Dirty the avatar mesh, with priority
	LLViewerJoint*	getViewerJoint(S32 idx);
	S32 			mDirtyMesh; // 0 -- not dirty, 1 -- morphed, 2 -- LOD
	BOOL			mMeshTexturesDirty;

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

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

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

    LLPointer<LLAppearanceMessageContents> 	mLastProcessedAppearance;
    
public:
	void 			parseAppearanceMessage(LLMessageSystem* mesgsys, LLAppearanceMessageContents& msg);
	void 			processAvatarAppearance(LLMessageSystem* mesgsys);
    void            applyParsedAppearanceMessage(LLAppearanceMessageContents& contents, bool slam_params);
	void 			hideSkirt();
	void			startAppearanceAnimation();
	
	//--------------------------------------------------------------------
	// Appearance morphing
	//--------------------------------------------------------------------
public:
	BOOL			getIsAppearanceAnimating() const { return mAppearanceAnimating; }

	// True if we are computing our appearance via local compositing
	// instead of baked textures, as for example during wearable
	// editing or when waiting for a subsequent server rebake.
	/*virtual*/ BOOL	isUsingLocalAppearance() const { return mUseLocalAppearance; }

	// True if we are currently in appearance editing mode. Often but
	// not always the same as isUsingLocalAppearance().
	/*virtual*/ BOOL	isEditingAppearance() const { return mIsEditingAppearance; }

	// FIXME review isUsingLocalAppearance uses, some should be isEditing instead.

private:
	BOOL			mAppearanceAnimating;
	LLFrameTimer	mAppearanceMorphTimer;
	F32				mLastAppearanceBlendTime;
	BOOL			mIsEditingAppearance; // flag for if we're actively in appearance editing mode
	BOOL			mUseLocalAppearance; // flag for if we're using a local composite

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

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

	//--------------------------------------------------------------------
	// Attachments
	//--------------------------------------------------------------------
public:
	void 				clampAttachmentPositions();
	virtual const LLViewerJointAttachment* attachObject(LLViewerObject *viewer_object);
	virtual BOOL 		detachObject(LLViewerObject *viewer_object);
	static bool		    getRiggedMeshID( LLViewerObject* pVO, LLUUID& mesh_id );
	void				cleanupAttachedMesh( LLViewerObject* pVO );
	static LLVOAvatar*  findAvatarFromAttachment(LLViewerObject* obj);
	/*virtual*/ BOOL	isWearingWearableType(LLWearableType::EType type ) const;
	LLViewerObject *	findAttachmentByID( const LLUUID & target_id ) const;
	LLViewerJointAttachment* getTargetAttachmentPoint(LLViewerObject* viewer_object);

protected:
	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 				resetHUDAttachments();
	S32					getMaxAttachments() const;
	BOOL				canAttachMoreObjects(U32 n=1) const;
    S32					getMaxAnimatedObjectAttachments() const;
    BOOL				canAttachMoreAnimatedObjects(U32 n=1) const;
protected:
	U32					getNumAttachments() const; // O(N), not O(1)
	U32					getNumAnimatedObjectAttachments() 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

	//--------------------------------------------------------------------
	// 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:

	//--------------------------------------------------------------------
	// 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;
	// position backup in case of missing data
	LLVector3		mLastRootPos;

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

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

public:
	virtual std::string	getFullname() const; // Returns "FirstName LastName"
	std::string		avString() const; // Frequently used string in log messages "Avatar '<full name'"
protected:
	static void		getAnimLabels(std::vector<std::string>* labels);
	static void		getAnimNames(std::vector<std::string>* names);	
private:
    bool            mNameIsSet;
	std::string  	mTitle;
	bool	  		mNameAway;
	bool	  		mNameDoNotDisturb;
	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:
    void                getSortedJointNames(S32 joint_type, std::vector<std::string>& result) const;
	void				dumpArchetypeXML(const std::string& prefix, bool group_by_wearables = false);
	void 				dumpAppearanceMsgParams( const std::string& dump_prefix,
												 const LLAppearanceMessageContents& contents);
	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;
	std::string			mBakedTextureDebugText;


	//--------------------------------------------------------------------
	// 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.
	LLFrameTimer	mLastAppearanceMessageTimer; // Time since last appearance message received.

	//--------------------------------------------------------------------
	// COF monitoring
	//--------------------------------------------------------------------

public:
	// COF version of last viewer-initiated appearance update request. For non-self avs, this will remain at default.
	S32 mLastUpdateRequestCOFVersion;

	// COF version of last appearance message received for this av.
	S32 mLastUpdateReceivedCOFVersion;

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

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

protected: // Shared with LLVOAvatarSelf


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

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

extern const F32 MAX_HOVER_Z;
extern const F32 MIN_HOVER_Z;

std::string get_sequential_numbered_file_name(const std::string& prefix,
											  const std::string& suffix);
void dump_sequential_xml(const std::string outprefix, const LLSD& content);
void dump_visual_param(apr_file_t* file, LLVisualParam* viewer_param, F32 value);

#endif // LL_VOAVATAR_H