summaryrefslogtreecommitdiff
path: root/indra/llappearance/llwearable.cpp
blob: 41c06f4368336cfee6e8369e7e0b3bb2ebd517d6 (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
/** 
 * @file llwearable.cpp
 * @brief LLWearable class implementation
 *
 * $LicenseInfo:firstyear=2002&license=viewerlgpl$
 * 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
 * $/LicenseInfo$
 */

#include "linden_common.h"

#include "llavatarappearance.h"
#include "lllocaltextureobject.h"
#include "lltexlayer.h"
#include "lltexturemanagerbridge.h"
#include "llvisualparam.h"
#include "llavatarappearancedefines.h"
#include "llwearable.h"
#include "boost/bind.hpp"

using namespace LLAvatarAppearanceDefines;

// static
S32 LLWearable::sCurrentDefinitionVersion = 1;

// Private local functions
static std::string terse_F32_to_string(F32 f);

LLWearable::LLWearable()
	: mDefinitionVersion(-1),
	mName(),
	mDescription(),
	mPermissions(),
	mSaleInfo(),
	mType(LLWearableType::WT_NONE),
	mSavedVisualParamMap(),
	mVisualParamIndexMap(),
	mTEMap(),
	mSavedTEMap()
{
}

// virtual
LLWearable::~LLWearable()
{
	for (visual_param_index_map_t::iterator vpIter = mVisualParamIndexMap.begin(); vpIter != mVisualParamIndexMap.end(); ++vpIter)
	{
		LLVisualParam* vp = vpIter->second;
		vp->clearNextParam();
		delete vp;
		vpIter->second = NULL;
	}

	destroyTextures();
}

const std::string& LLWearable::getTypeLabel() const
{
	return LLWearableType::getTypeLabel(mType);
}

const std::string& LLWearable::getTypeName() const
{
	return LLWearableType::getTypeName(mType);
}

LLAssetType::EType LLWearable::getAssetType() const
{
	return LLWearableType::getAssetType(mType);
}

BOOL LLWearable::exportFile(const std::string& filename) const
{
	llofstream ofs(filename, std::ios_base::out | std::ios_base::trunc | std::ios_base::binary);
	return ofs.is_open() && exportStream(ofs);
}

// virtual
BOOL LLWearable::exportStream( std::ostream& output_stream ) const
{
	if (!output_stream.good()) return FALSE;

	// header and version
	output_stream << "LLWearable version " << mDefinitionVersion  << "\n";
	// name
	output_stream << mName << "\n";
	// description
	output_stream << mDescription << "\n";

	// permissions
	if( !mPermissions.exportLegacyStream( output_stream ) )
	{
		return FALSE;
	}

	// sale info
	if( !mSaleInfo.exportLegacyStream( output_stream ) )
	{
		return FALSE;
	}

	// wearable type
	output_stream << "type " << (S32) getType() << "\n";

	// parameters
	output_stream << "parameters " << mVisualParamIndexMap.size() << "\n";

	for (visual_param_index_map_t::const_iterator iter = mVisualParamIndexMap.begin();
		 iter != mVisualParamIndexMap.end(); 
		 ++iter)
	{
		S32 param_id = iter->first;
		const LLVisualParam* param = iter->second;
		F32 param_weight = param->getWeight();
		output_stream << param_id << " " << terse_F32_to_string( param_weight ) << "\n";
	}

	// texture entries
	output_stream << "textures " << mTEMap.size() << "\n";

	for (te_map_t::const_iterator iter = mTEMap.begin(); iter != mTEMap.end(); ++iter)
	{
			S32 te = iter->first;
			const LLUUID& image_id = iter->second->getID();
			output_stream << te << " " << image_id << "\n";
	}
	return TRUE;
}

void LLWearable::createVisualParams(LLAvatarAppearance *avatarp)
{
	for (LLViewerVisualParam* param = (LLViewerVisualParam*) avatarp->getFirstVisualParam(); 
		 param;
		 param = (LLViewerVisualParam*) avatarp->getNextVisualParam())
	{
		if (param->getWearableType() == mType)
		{
			LLVisualParam *clone_param = param->cloneParam(this);
			clone_param->setParamLocation(LOC_UNKNOWN);
			clone_param->setParamLocation(LOC_WEARABLE);
			addVisualParam(clone_param);
		}
	}

	// resync driver parameters to point to the newly cloned driven parameters
	for (visual_param_index_map_t::iterator param_iter = mVisualParamIndexMap.begin(); 
		 param_iter != mVisualParamIndexMap.end(); 
		 ++param_iter)
	{
		LLVisualParam* param = param_iter->second;
		LLVisualParam*(LLWearable::*wearable_function)(S32)const = &LLWearable::getVisualParam; 
		// need this line to disambiguate between versions of LLCharacter::getVisualParam()
		LLVisualParam*(LLAvatarAppearance::*param_function)(S32)const = &LLAvatarAppearance::getVisualParam; 
		param->resetDrivenParams();
		if(!param->linkDrivenParams(boost::bind(wearable_function,(LLWearable*)this, _1), false))
		{
			if( !param->linkDrivenParams(boost::bind(param_function,avatarp,_1 ), true))
			{
				LL_WARNS() << "could not link driven params for wearable " << getName() << " id: " << param->getID() << LL_ENDL;
				continue;
			}
		}
	}
}

void LLWearable::createLayers(S32 te, LLAvatarAppearance *avatarp)
{
	LLTexLayerSet *layer_set = NULL;
	const LLAvatarAppearanceDictionary::TextureEntry *texture_dict = LLAvatarAppearanceDictionary::getInstance()->getTexture((ETextureIndex)te);
	if (texture_dict->mIsUsedByBakedTexture)
	{
		const EBakedTextureIndex baked_index = texture_dict->mBakedTextureIndex;
		
		 layer_set = avatarp->getAvatarLayerSet(baked_index);
	}

	if (layer_set)
	{
		   layer_set->cloneTemplates(mTEMap[te], (ETextureIndex)te, this);
	}
	else
	{
		   LL_ERRS() << "could not find layerset for LTO in wearable!" << LL_ENDL;
	}
}

LLWearable::EImportResult LLWearable::importFile(const std::string& filename,
												 LLAvatarAppearance* avatarp )
{
	llifstream ifs(filename, std::ios_base::in | std::ios_base::binary);
	return (! ifs.is_open())? FAILURE : importStream(ifs, avatarp);
}

// virtual
LLWearable::EImportResult LLWearable::importStream( std::istream& input_stream, LLAvatarAppearance* avatarp )
{
	// *NOTE: changing the type or size of this buffer will require
	// changes in the fscanf() code below.
	// We are using a local max buffer size here to avoid issues
	// if MAX_STRING size changes.
	const U32 PARSE_BUFFER_SIZE = 2048;
	char buffer[PARSE_BUFFER_SIZE];		/* Flawfinder: ignore */
	char uuid_buffer[37];	/* Flawfinder: ignore */

	// This data is being generated on the viewer.
	// Impose some sane limits on parameter and texture counts.
	const S32 MAX_WEARABLE_ASSET_TEXTURES = 100;
	const S32 MAX_WEARABLE_ASSET_PARAMETERS = 1000;

	if(!avatarp)
	{
		return LLWearable::FAILURE;
	}

	// read header and version 
	if (!getNextPopulatedLine(input_stream, buffer, PARSE_BUFFER_SIZE))
	{
		LL_WARNS() << "Failed to read wearable asset input stream." << LL_ENDL;
		return LLWearable::FAILURE;
	}
	if ( 1 != sscanf( /* Flawfinder: ignore */
				buffer,
				"LLWearable version %d\n",
				&mDefinitionVersion ) )
	{
		return LLWearable::BAD_HEADER;
	}

	// Hack to allow wearables with definition version 24 to still load.
	// This should only affect lindens and NDA'd testers who have saved wearables in 2.0
	// the extra check for version == 24 can be removed before release, once internal testers
	// have loaded these wearables again. See hack pt 2 at bottom of function to ensure that
	// these wearables get re-saved with version definition 22.
	if( mDefinitionVersion > LLWearable::sCurrentDefinitionVersion && mDefinitionVersion != 24 )
	{
		LL_WARNS() << "Wearable asset has newer version (" << mDefinitionVersion << ") than XML (" << LLWearable::sCurrentDefinitionVersion << ")" << LL_ENDL;
		return LLWearable::FAILURE;
	}

	// name may be empty
    if (!input_stream.good())
	{
		LL_WARNS() << "Bad Wearable asset: early end of input stream " 
				<< "while reading name" << LL_ENDL;
		return LLWearable::FAILURE;
	}
	input_stream.getline(buffer, PARSE_BUFFER_SIZE);
	mName = buffer;

	// description may be empty
	if (!input_stream.good())
	{
		LL_WARNS() << "Bad Wearable asset: early end of input stream " 
				<< "while reading description" << LL_ENDL;
		return LLWearable::FAILURE;
	}
	input_stream.getline(buffer, PARSE_BUFFER_SIZE);
	mDescription = buffer;

	// permissions may have extra empty lines before the correct line
	if (!getNextPopulatedLine(input_stream, buffer, PARSE_BUFFER_SIZE))
	{
		LL_WARNS() << "Bad Wearable asset: early end of input stream " 
				<< "while reading permissions" << LL_ENDL;
		return LLWearable::FAILURE;
	}
	S32 perm_version = -1;
	if ( 1 != sscanf( buffer, " permissions %d\n", &perm_version ) ||
		 perm_version != 0 )
	{
		LL_WARNS() << "Bad Wearable asset: missing valid permissions" << LL_ENDL;
		return LLWearable::FAILURE;
	}
	if( !mPermissions.importLegacyStream( input_stream ) )
	{
		return LLWearable::FAILURE;
	}

	// sale info
	if (!getNextPopulatedLine(input_stream, buffer, PARSE_BUFFER_SIZE))
	{
		LL_WARNS() << "Bad Wearable asset: early end of input stream " 
				<< "while reading sale info" << LL_ENDL;
		return LLWearable::FAILURE;
	}
	S32 sale_info_version = -1;
	if ( 1 != sscanf( buffer, " sale_info %d\n", &sale_info_version ) ||
		sale_info_version != 0 )
	{
		LL_WARNS() << "Bad Wearable asset: missing valid sale_info" << LL_ENDL;
		return LLWearable::FAILURE;
	}
	// Sale info used to contain next owner perm. It is now in the
	// permissions. Thus, we read that out, and fix legacy
	// objects. It's possible this op would fail, but it should pick
	// up the vast majority of the tasks.
	BOOL has_perm_mask = FALSE;
	U32 perm_mask = 0;
	if( !mSaleInfo.importLegacyStream(input_stream, has_perm_mask, perm_mask) )
	{
		return LLWearable::FAILURE;
	}
	if(has_perm_mask)
	{
		// fair use fix.
		if(!(perm_mask & PERM_COPY))
		{
			perm_mask |= PERM_TRANSFER;
		}
		mPermissions.setMaskNext(perm_mask);
	}

	// wearable type
	if (!getNextPopulatedLine(input_stream, buffer, PARSE_BUFFER_SIZE))
	{
		LL_WARNS() << "Bad Wearable asset: early end of input stream " 
				<< "while reading type" << LL_ENDL;
		return LLWearable::FAILURE;
	}
	S32 type = -1;
	if ( 1 != sscanf( buffer, "type %d\n", &type ) )
	{
		LL_WARNS() << "Bad Wearable asset: bad type" << LL_ENDL;
		return LLWearable::FAILURE;
	}
	if( 0 <= type && type < LLWearableType::WT_COUNT )
	{
		setType((LLWearableType::EType)type, avatarp);
	}
	else
	{
		mType = LLWearableType::WT_COUNT;
		LL_WARNS() << "Bad Wearable asset: bad type #" << type <<  LL_ENDL;
		return LLWearable::FAILURE;
	}

	// parameters header
	if (!getNextPopulatedLine(input_stream, buffer, PARSE_BUFFER_SIZE))
	{
		LL_WARNS() << "Bad Wearable asset: early end of input stream " 
				<< "while reading parameters header" << LL_ENDL;
		return LLWearable::FAILURE;
	}
	S32 num_parameters = -1;
	if ( 1 != sscanf( buffer, "parameters %d\n", &num_parameters ) )
	{
		LL_WARNS() << "Bad Wearable asset: missing parameters block" << LL_ENDL;
		return LLWearable::FAILURE;
	}
	if ( num_parameters > MAX_WEARABLE_ASSET_PARAMETERS )
	{
		LL_WARNS() << "Bad Wearable asset: too many parameters, "
				<< num_parameters << LL_ENDL;
		return LLWearable::FAILURE;
	}
	if( num_parameters != mVisualParamIndexMap.size() )
	{
		LL_WARNS() << "Wearable parameter mismatch. Reading in " 
				<< num_parameters << " from file, but created " 
				<< mVisualParamIndexMap.size() 
				<< " from avatar parameters. type: " 
				<<  getType() << LL_ENDL;
	}

	// parameters
	S32 i;
	for( i = 0; i < num_parameters; i++ )
	{
		if (!getNextPopulatedLine(input_stream, buffer, PARSE_BUFFER_SIZE))
		{
			LL_WARNS() << "Bad Wearable asset: early end of input stream " 
					<< "while reading parameter #" << i << LL_ENDL;
			return LLWearable::FAILURE;
		}
		S32 param_id = 0;
		F32 param_weight = 0.f;
		if ( 2 != sscanf( buffer, "%d %f\n", &param_id, &param_weight ) )
		{
			LL_WARNS() << "Bad Wearable asset: bad parameter, #" << i << LL_ENDL;
			return LLWearable::FAILURE;
		}
		mSavedVisualParamMap[param_id] = param_weight;
	}

	// textures header
	if (!getNextPopulatedLine(input_stream, buffer, PARSE_BUFFER_SIZE))
	{
		LL_WARNS() << "Bad Wearable asset: early end of input stream " 
				<< "while reading textures header" << i << LL_ENDL;
		return LLWearable::FAILURE;
	}
	S32 num_textures = -1;
	if ( 1 != sscanf( buffer, "textures %d\n", &num_textures) )
	{
		LL_WARNS() << "Bad Wearable asset: missing textures block" << LL_ENDL;
		return LLWearable::FAILURE;
	}
	if ( num_textures > MAX_WEARABLE_ASSET_TEXTURES )
	{
		LL_WARNS() << "Bad Wearable asset: too many textures, "
				<< num_textures << LL_ENDL;
		return LLWearable::FAILURE;
	}

	// textures
	for( i = 0; i < num_textures; i++ )
	{
		if (!getNextPopulatedLine(input_stream, buffer, PARSE_BUFFER_SIZE))
		{
			LL_WARNS() << "Bad Wearable asset: early end of input stream " 
					<< "while reading textures #" << i << LL_ENDL;
			return LLWearable::FAILURE;
		}
		S32 te = 0;
		if ( 2 != sscanf(   /* Flawfinder: ignore */
				buffer,
				"%d %36s\n",
				&te, uuid_buffer) )
		{
				LL_WARNS() << "Bad Wearable asset: bad texture, #" << i << LL_ENDL;
				return LLWearable::FAILURE;
		}
	
		if( !LLUUID::validate( uuid_buffer ) )
		{
				LL_WARNS() << "Bad Wearable asset: bad texture uuid: " 
						<< uuid_buffer << LL_ENDL;
				return LLWearable::FAILURE;
		}
		LLUUID id = LLUUID(uuid_buffer);
		LLGLTexture* image = gTextureManagerBridgep->getFetchedTexture( id );
		if( mTEMap.find(te) != mTEMap.end() )
		{
				delete mTEMap[te];
		}
		if( mSavedTEMap.find(te) != mSavedTEMap.end() )
		{
				delete mSavedTEMap[te];
		}
	
		LLUUID textureid(uuid_buffer);
		mTEMap[te] = new LLLocalTextureObject(image, textureid);
		mSavedTEMap[te] = new LLLocalTextureObject(image, textureid);
		createLayers(te, avatarp);
	}

	// copy all saved param values to working params
	revertValues();

	return LLWearable::SUCCESS;
}

BOOL LLWearable::getNextPopulatedLine(std::istream& input_stream, char* buffer, U32 buffer_size)
{
	if (!input_stream.good())
	{
		return FALSE;
	}

	do 
	{
		input_stream.getline(buffer, buffer_size);
	}
	while (input_stream.good() && buffer[0]=='\0');

	return (buffer[0] != '\0'); 
}


void LLWearable::setType(LLWearableType::EType type, LLAvatarAppearance *avatarp) 
{ 
	mType = type; 
	createVisualParams(avatarp);
}


LLLocalTextureObject* LLWearable::getLocalTextureObject(S32 index)
{
	te_map_t::iterator iter = mTEMap.find(index);
	if( iter != mTEMap.end() )
	{
		LLLocalTextureObject* lto = iter->second;
		return lto;
	}
	return NULL;
}

const LLLocalTextureObject* LLWearable::getLocalTextureObject(S32 index) const
{
	te_map_t::const_iterator iter = mTEMap.find(index);
	if( iter != mTEMap.end() )
	{
		const LLLocalTextureObject* lto = iter->second;
		return lto;
	}
	return NULL;
}

std::vector<LLLocalTextureObject*> LLWearable::getLocalTextureListSeq()
{
	std::vector<LLLocalTextureObject*> result;

	for(te_map_t::const_iterator iter = mTEMap.begin();
		iter != mTEMap.end(); iter++)
	{
		LLLocalTextureObject* lto = iter->second;
		result.push_back(lto);
	}

	return result;
}

void LLWearable::setLocalTextureObject(S32 index, LLLocalTextureObject &lto)
{
	if( mTEMap.find(index) != mTEMap.end() )
	{
		mTEMap.erase(index);
	}
	mTEMap[index] = new LLLocalTextureObject(lto);
}

void LLWearable::revertValues()
{
	// FIXME DRANO - this triggers changes to driven params on avatar, potentially clobbering baked appearance.

	//update saved settings so wearable is no longer dirty
	// non-driver params first
	for (param_map_t::const_iterator iter = mSavedVisualParamMap.begin(); iter != mSavedVisualParamMap.end(); iter++)
	{
		S32 id = iter->first;
		F32 value = iter->second;
		LLVisualParam *param = getVisualParam(id);
		if(param &&  !dynamic_cast<LLDriverParam*>(param) )
		{
			setVisualParamWeight(id, value);
		}
	}

	//then driver params
	for (param_map_t::const_iterator iter = mSavedVisualParamMap.begin(); iter != mSavedVisualParamMap.end(); iter++)
	{
		S32 id = iter->first;
		F32 value = iter->second;
		LLVisualParam *param = getVisualParam(id);
		if(param &&  dynamic_cast<LLDriverParam*>(param) )
		{
			setVisualParamWeight(id, value);
		}
	}

	// make sure that saved values are sane
	for (param_map_t::const_iterator iter = mSavedVisualParamMap.begin(); iter != mSavedVisualParamMap.end(); iter++)
	{
		S32 id = iter->first;
		LLVisualParam *param = getVisualParam(id);
		if( param )
		{
			mSavedVisualParamMap[id] = param->getWeight();
		}
	}

	syncImages(mSavedTEMap, mTEMap);
}

void LLWearable::saveValues()
{
	//update saved settings so wearable is no longer dirty
	mSavedVisualParamMap.clear();
	for (visual_param_index_map_t::const_iterator iter = mVisualParamIndexMap.begin(); iter != mVisualParamIndexMap.end(); ++iter)
	{
		S32 id = iter->first;
		LLVisualParam *wearable_param = iter->second;
		F32 value = wearable_param->getWeight();
		mSavedVisualParamMap[id] = value;
	}

	// Deep copy of mTEMap (copies only those tes that are current, filling in defaults where needed)
	syncImages(mTEMap, mSavedTEMap);
}

void LLWearable::syncImages(te_map_t &src, te_map_t &dst)
{
	// Deep copy of src (copies only those tes that are current, filling in defaults where needed)
	for( S32 te = 0; te < TEX_NUM_INDICES; te++ )
	{
		if (LLAvatarAppearanceDictionary::getTEWearableType((ETextureIndex) te) == mType)
		{
			te_map_t::const_iterator iter = src.find(te);
			LLUUID image_id;
			LLGLTexture *image = NULL;
			LLLocalTextureObject *lto = NULL;
			if(iter != src.end())
			{
				// there's a Local Texture Object in the source image map. Use this to populate the values to store in the destination image map.
				lto = iter->second;
				image = lto->getImage();
				image_id = lto->getID();
			}
			else
			{
				// there is no Local Texture Object in the source image map. Get defaults values for populating the destination image map.
				image_id = getDefaultTextureImageID((ETextureIndex) te);
				image = gTextureManagerBridgep->getFetchedTexture( image_id );
			}

			if( dst.find(te) != dst.end() )
			{
				// there's already an entry in the destination map for the texture. Just update its values.
				dst[te]->setImage(image);
				dst[te]->setID(image_id);
			}
			else
			{
				// no entry found in the destination map, we need to create a new Local Texture Object
				dst[te] = new LLLocalTextureObject(image, image_id);
			}

			if( lto )
			{
				// If we pulled values from a Local Texture Object in the source map, make sure the proper flags are set in the new (or updated) entry in the destination map.
				dst[te]->setBakedReady(lto->getBakedReady());
				dst[te]->setDiscard(lto->getDiscard());
			}
		}
	}
}

void LLWearable::destroyTextures()
{
	std::for_each(mTEMap.begin(), mTEMap.end(), DeletePairedPointer());
	mTEMap.clear();

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

void LLWearable::addVisualParam(LLVisualParam *param)
{
	if( mVisualParamIndexMap[param->getID()] )
	{
		delete mVisualParamIndexMap[param->getID()];
	}
	param->setIsDummy(FALSE);
	param->setParamLocation(LOC_WEARABLE);
	mVisualParamIndexMap[param->getID()] = param;
	mSavedVisualParamMap[param->getID()] = param->getDefaultWeight();
}


void LLWearable::setVisualParamWeight(S32 param_index, F32 value)
{
	if( is_in_map(mVisualParamIndexMap, param_index ) )
	{
		LLVisualParam *wearable_param = mVisualParamIndexMap[param_index];
		wearable_param->setWeight(value);
	}
	else
	{
		LL_ERRS() << "LLWearable::setVisualParam passed invalid parameter index: " << param_index << " for wearable type: " << this->getName() << LL_ENDL;
	}
}

F32 LLWearable::getVisualParamWeight(S32 param_index) const
{
	if( is_in_map(mVisualParamIndexMap, param_index ) )
	{
		const LLVisualParam *wearable_param = mVisualParamIndexMap.find(param_index)->second;
		return wearable_param->getWeight();
	}
	else
	{
		LL_WARNS() << "LLWerable::getVisualParam passed invalid parameter index: "  << param_index << " for wearable type: " << this->getName() << LL_ENDL;
	}
	return (F32)-1.0;
}

LLVisualParam* LLWearable::getVisualParam(S32 index) const
{
	visual_param_index_map_t::const_iterator iter = mVisualParamIndexMap.find(index);
	return (iter == mVisualParamIndexMap.end()) ? NULL : iter->second;
}


void LLWearable::getVisualParams(visual_param_vec_t &list)
{
	visual_param_index_map_t::iterator iter = mVisualParamIndexMap.begin();
	visual_param_index_map_t::iterator end = mVisualParamIndexMap.end();

	// add all visual params to the passed-in vector
	for( ; iter != end; ++iter )
	{
		list.push_back(iter->second);
	}
}

void LLWearable::animateParams(F32 delta)
{
	for(visual_param_index_map_t::iterator iter = mVisualParamIndexMap.begin();
		 iter != mVisualParamIndexMap.end();
		 ++iter)
	{
		LLVisualParam *param = (LLVisualParam*) iter->second;
		param->animate(delta);
	}
}

LLColor4 LLWearable::getClothesColor(S32 te) const
{
	LLColor4 color;
	U32 param_name[3];
	if( LLAvatarAppearance::teToColorParams( (LLAvatarAppearanceDefines::ETextureIndex)te, param_name ) )
	{
		for( U8 index = 0; index < 3; index++ )
		{
			color.mV[index] = getVisualParamWeight(param_name[index]);
		}
	}
	return color;
}

void LLWearable::setClothesColor( S32 te, const LLColor4& new_color)
{
	U32 param_name[3];
	if( LLAvatarAppearance::teToColorParams( (LLAvatarAppearanceDefines::ETextureIndex)te, param_name ) )
	{
		for( U8 index = 0; index < 3; index++ )
		{
			setVisualParamWeight(param_name[index], new_color.mV[index]);
		}
	}
}

void LLWearable::writeToAvatar(LLAvatarAppearance* avatarp)
{
	if (!avatarp) return;

	// Pull params
	for( LLVisualParam* param = avatarp->getFirstVisualParam(); param; param = avatarp->getNextVisualParam() )
	{
		// cross-wearable parameters are not authoritative, as they are driven by a different wearable. So don't copy the values to the
		// avatar object if cross wearable. Cross wearable params get their values from the avatar, they shouldn't write the other way.
		if( (((LLViewerVisualParam*)param)->getWearableType() == mType) && (!((LLViewerVisualParam*)param)->getCrossWearable()) )
		{
			S32 param_id = param->getID();
			F32 weight = getVisualParamWeight(param_id);

			avatarp->setVisualParamWeight( param_id, weight);
		}
	}
}


std::string terse_F32_to_string(F32 f)
{
	std::string r = llformat("%.2f", f);
	S32 len = r.length();

    // "1.20"  -> "1.2"
    // "24.00" -> "24."
	while (len > 0 && ('0' == r[len - 1]))
	{
		r.erase(len-1, 1);
		len--;
	}
	if ('.' == r[len - 1])
	{
		// "24." -> "24"
		r.erase(len-1, 1);
	}
	else if (('-' == r[0]) && ('0' == r[1]))
	{
		// "-0.59" -> "-.59"
		r.erase(1, 1);
	}
	else if ('0' == r[0])
	{
		// "0.59" -> ".59"
		r.erase(0, 1);
	}
	return r;
}