summaryrefslogtreecommitdiff
path: root/indra/llinventory/llsettingsbase.cpp
blob: 8bcf8a4973199a0c8eee486561e9574c9af9c5bf (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
/**
* @file llsettingsbase.cpp
* @author optional
* @brief A base class for asset based settings groups.
*
* $LicenseInfo:2011&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2017, 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 "llsettingsbase.h"

#include "llmath.h"
#include <algorithm>

#include "llsdserialize.h"

//=========================================================================
namespace
{
    const LLSettingsBase::TrackPosition BREAK_POINT = 0.5;
}

const LLSettingsBase::TrackPosition LLSettingsBase::INVALID_TRACKPOS(-1.0);

//=========================================================================
std::ostream &operator <<(std::ostream& os, LLSettingsBase &settings)
{
    LLSDSerialize::serialize(settings.getSettings(), os, LLSDSerialize::LLSD_NOTATION);

    return os;
}

//=========================================================================
const std::string LLSettingsBase::SETTING_ID("id");
const std::string LLSettingsBase::SETTING_NAME("name");
const std::string LLSettingsBase::SETTING_HASH("hash");
const std::string LLSettingsBase::SETTING_TYPE("type");
const std::string LLSettingsBase::SETTING_ASSETID("asset_id");

//=========================================================================
LLSettingsBase::LLSettingsBase():
    mSettings(LLSD::emptyMap()),
    mDirty(true),
    mAssetID(),
    mBlendedFactor(0.0)
{
}

LLSettingsBase::LLSettingsBase(const LLSD setting) :
    mSettings(setting),
    mDirty(true),
    mAssetID(),
    mBlendedFactor(0.0)
{
}

//=========================================================================
void LLSettingsBase::lerpSettings(const LLSettingsBase &other, F64 mix) 
{
    mSettings = interpolateSDMap(mSettings, other.mSettings, mix);
    setDirtyFlag(true);
}

LLSD LLSettingsBase::combineSDMaps(const LLSD &settings, const LLSD &other) const
{
    LLSD newSettings;

    for (LLSD::map_const_iterator it = settings.beginMap(); it != settings.endMap(); ++it)
    {
        std::string key_name = (*it).first;
        LLSD value = (*it).second;

        LLSD::Type setting_type = value.type();
        switch (setting_type)
        {
        case LLSD::TypeMap:
            newSettings[key_name] = combineSDMaps(value, LLSD());
            break;
        case LLSD::TypeArray:
            newSettings[key_name] = LLSD::emptyArray();
            for (LLSD::array_const_iterator ita = value.beginArray(); ita != value.endArray(); ++ita)
            {
                newSettings[key_name].append(*ita);
            }
            break;
        //case LLSD::TypeInteger:
        //case LLSD::TypeReal:
        //case LLSD::TypeBoolean:
        //case LLSD::TypeString:
        //case LLSD::TypeUUID:
        //case LLSD::TypeURI:
        //case LLSD::TypeDate:
        //case LLSD::TypeBinary:
        default:
            newSettings[key_name] = value;
            break;
        }
    }

    if (!other.isUndefined())
    {
        for (LLSD::map_const_iterator it = other.beginMap(); it != other.endMap(); ++it)
        {
            std::string key_name = (*it).first;
            LLSD value = (*it).second;

            LLSD::Type setting_type = value.type();
            switch (setting_type)
            {
            case LLSD::TypeMap:
                newSettings[key_name] = combineSDMaps(value, LLSD());
                break;
            case LLSD::TypeArray:
                newSettings[key_name] = LLSD::emptyArray();
                for (LLSD::array_const_iterator ita = value.beginArray(); ita != value.endArray(); ++ita)
                {
                    newSettings[key_name].append(*ita);
                }
                break;
            //case LLSD::TypeInteger:
            //case LLSD::TypeReal:
            //case LLSD::TypeBoolean:
            //case LLSD::TypeString:
            //case LLSD::TypeUUID:
            //case LLSD::TypeURI:
            //case LLSD::TypeDate:
            //case LLSD::TypeBinary:
            default:
                newSettings[key_name] = value;
                break;
            }
        }
    }

    return newSettings;
}

LLSD LLSettingsBase::interpolateSDMap(const LLSD &settings, const LLSD &other, F64 mix) const
{
    LLSD newSettings;

    stringset_t skip = getSkipInterpolateKeys();
    stringset_t slerps = getSlerpKeys();

    for (LLSD::map_const_iterator it = settings.beginMap(); it != settings.endMap(); ++it)
    {
        std::string key_name = (*it).first;
        LLSD value = (*it).second;

        if (skip.find(key_name) != skip.end())
            continue;

        if (!other.has(key_name))
        {   // The other does not contain this setting, keep the original value 
            // TODO: Should I blend this out instead?
            newSettings[key_name] = value;
            continue;
        }
        LLSD::Type setting_type = value.type();
        LLSD other_value = other[key_name];
        
        if (other_value.type() != setting_type)
        {   
            // The data type mismatched between this and other. Hard switch when we pass the break point
            // but issue a warning.
            LL_WARNS("SETTINGS") << "Setting lerp between mismatched types for '" << key_name << "'." << LL_ENDL;
            newSettings[key_name] = (mix > BREAK_POINT) ? other_value : value;
            continue;
        }

        switch (setting_type)
        {
        case LLSD::TypeInteger:
            // lerp between the two values rounding the result to the nearest integer. 
            newSettings[key_name] = LLSD::Integer(llroundf(lerp(value.asReal(), other_value.asReal(), mix)));
            break;
        case LLSD::TypeReal:
            // lerp between the two values.
            newSettings[key_name] = LLSD::Real(lerp(value.asReal(), other_value.asReal(), mix));
            break;
        case LLSD::TypeMap:
            // deep copy.
            newSettings[key_name] = interpolateSDMap(value, other_value, mix);
            break;

        case LLSD::TypeArray:
            {
                LLSD newvalue(LLSD::emptyArray());

                if (slerps.find(key_name) != slerps.end())
                {
                    LLQuaternion a(value);
                    LLQuaternion b(other_value);
                    LLQuaternion q = slerp(mix, a, b);
                    newvalue = q.getValue();
                }
                else
                {   // TODO: We could expand this to inspect the type and do a deep lerp based on type. 
                    // for now assume a heterogeneous array of reals. 
                    size_t len = std::max(value.size(), other_value.size());

                    for (size_t i = 0; i < len; ++i)
                    {

                        newvalue[i] = lerp(value[i].asReal(), other_value[i].asReal(), mix);
                    }
                }
                
                newSettings[key_name] = newvalue;
            }

            break;

        case LLSD::TypeUUID:
            newSettings[key_name] = value.asUUID();
            break;

//      case LLSD::TypeBoolean:
//      case LLSD::TypeString:
//      case LLSD::TypeURI:
//      case LLSD::TypeBinary:
//      case LLSD::TypeDate:
        default:
            /* TODO: If the UUID points to an image ID, blend the images. */
            // atomic or unknown data types. Lerping between them does not make sense so switch at the break.
            newSettings[key_name] = (mix > BREAK_POINT) ? other_value : value;
            break;
        }
    }

    // Now add anything that is in other but not in the settings
    for (LLSD::map_const_iterator it = other.beginMap(); it != other.endMap(); ++it)
    {
        // TODO: Should I blend this in instead?
        if (skip.find((*it).first) == skip.end())
            continue;

        if (!settings.has((*it).first))
            continue;
    
        newSettings[(*it).first] = (*it).second;
    }

    return newSettings;
}

LLSD LLSettingsBase::getSettings() const
{
    return mSettings;
}

LLSD LLSettingsBase::cloneSettings() const
{
    return combineSDMaps(getSettings(), LLSD());
}

size_t LLSettingsBase::getHash() const
{   // get a shallow copy of the LLSD filtering out values to not include in the hash
    LLSD hash_settings = llsd_shallow(getSettings(), 
        LLSDMap(SETTING_NAME, false)(SETTING_ID, false)(SETTING_HASH, false)("*", true));

    boost::hash<LLSD> hasher;
    return hasher(hash_settings);
}

bool LLSettingsBase::validate()
{
    validation_list_t validations = getValidationList();

    if (!mSettings.has(SETTING_TYPE))
    {
        mSettings[SETTING_TYPE] = getSettingsType();
    }

    LLSD result = LLSettingsBase::settingValidation(mSettings, validations);

    if (result["errors"].size() > 0)
    {
        LL_WARNS("SETTINGS") << "Validation errors: " << result["errors"] << LL_ENDL;
    }
    if (result["warnings"].size() > 0)
    {
        LL_WARNS("SETTINGS") << "Validation warnings: " << result["warnings"] << LL_ENDL;
    }
    LL_WARNS("SETTINGS") << "Validation success is " << result["success"] << LL_ENDL;

    return result["success"].asBoolean();
}

LLSD LLSettingsBase::settingValidation(LLSD &settings, validation_list_t &validations)
{
    static Validator  validateName(SETTING_NAME, false, LLSD::TypeString);
    static Validator  validateId(SETTING_ID, false, LLSD::TypeUUID);
    static Validator  validateHash(SETTING_HASH, false, LLSD::TypeInteger);
    static Validator  validateType(SETTING_TYPE, false, LLSD::TypeString);
    static Validator  validateAssetId(SETTING_ASSETID, false, LLSD::TypeUUID);
    stringset_t       validated;
    stringset_t       strip;
    bool              isValid(true);
    LLSD              errors(LLSD::emptyArray());
    LLSD              warnings(LLSD::emptyArray());

    // Fields common to all settings.
    if (!validateName.verify(settings))
    {
        errors.append( LLSD::String("Unable to validate 'name'.") );
        isValid = false;
    }
    validated.insert(validateName.getName());

    if (!validateId.verify(settings))
    {
        errors.append( LLSD::String("Unable to validate 'id'.") );
        isValid = false;
    }
    validated.insert(validateId.getName());

    if (!validateHash.verify(settings))
    {
        errors.append( LLSD::String("Unable to validate 'hash'.") );
        isValid = false;
    }
    validated.insert(validateHash.getName());

    if (!validateAssetId.verify(settings))
    {
        errors.append(LLSD::String("Invalid asset Id"));
        isValid = false;
    }
    validated.insert(validateAssetId.getName());

    if (!validateType.verify(settings))
    {
        errors.append( LLSD::String("Unable to validate 'type'.") );
        isValid = false;
    }
    validated.insert(validateType.getName());

    // Fields for specific settings.
    for (validation_list_t::iterator itv = validations.begin(); itv != validations.end(); ++itv)
    {
#ifdef VALIDATION_DEBUG
        LLSD oldvalue;
        if (settings.has((*itv).getName()))
        {
            oldvalue = llsd_clone(mSettings[(*itv).getName()]);
        }
#endif

        if (!(*itv).verify(settings))
        {
            std::stringstream errtext;

            errtext << "Settings LLSD fails validation and could not be corrected for '" << (*itv).getName() << "'!\n";
            errors.append( errtext.str() );
            isValid = false;
        }
        validated.insert((*itv).getName());

#ifdef VALIDATION_DEBUG
        if (!oldvalue.isUndefined())
        {
            if (!compare_llsd(settings[(*itv).getName()], oldvalue))
            {
                LL_WARNS("SETTINGS") << "Setting '" << (*itv).getName() << "' was changed: " << oldvalue << " -> " << settings[(*itv).getName()] << LL_ENDL;
            }
        }
#endif
    }

    // strip extra entries
    for (LLSD::map_const_iterator itm = settings.beginMap(); itm != settings.endMap(); ++itm)
    {
        if (validated.find((*itm).first) == validated.end())
        {
            std::stringstream warntext;

            warntext << "Stripping setting '" << (*itm).first << "'";
            warnings.append( warntext.str() );
            strip.insert((*itm).first);
        }
    }

    for (stringset_t::iterator its = strip.begin(); its != strip.end(); ++its)
    {
        settings.erase(*its);
    }

    return LLSDMap("success", LLSD::Boolean(isValid))
        ("errors", errors)
        ("warnings", warnings);
}

//=========================================================================
bool LLSettingsBase::Validator::verify(LLSD &data)
{
    if (!data.has(mName) || (data.has(mName) && data[mName].isUndefined()))
    {
        if (!mDefault.isUndefined())
        {
            LL_INFOS("SETTINGS") << "Inserting missing default for '" << mName << "'." << LL_ENDL;
            data[mName] = mDefault;
            return true;
        }
        if (mRequired)
            LL_WARNS("SETTINGS") << "Missing required setting '" << mName << "' with no default." << LL_ENDL;
        return !mRequired;
    }

    if (data[mName].type() != mType)
    {
        LL_WARNS("SETTINGS") << "Setting '" << mName << "' is incorrect type." << LL_ENDL;
        return false;
    }

    if (!mVerify.empty() && !mVerify(data[mName]))
    {
        LL_WARNS("SETTINGS") << "Setting '" << mName << "' fails validation." << LL_ENDL;
        return false;
    }

    return true;
}

bool LLSettingsBase::Validator::verifyColor(LLSD &value)
{
    return (value.size() == 3 || value.size() == 4);
}

bool LLSettingsBase::Validator::verifyVector(LLSD &value, S32 length)
{
    return (value.size() == length);
}

bool LLSettingsBase::Validator::verifyVectorNormalized(LLSD &value, S32 length)
{
    if (value.size() != length)
        return false;

    LLSD newvector;

    switch (length)
    {
    case 2:
    {
        LLVector2 vect(value);

        if (is_approx_equal(vect.normalize(), 1.0f))
            return true;
        newvector = vect.getValue();
        break;
    }
    case 3:
    {
        LLVector3 vect(value);

        if (is_approx_equal(vect.normalize(), 1.0f))
            return true;
        newvector = vect.getValue();
        break;
    }
    case 4:
    {
        LLVector4 vect(value);

        if (is_approx_equal(vect.normalize(), 1.0f))
            return true;
        newvector = vect.getValue();
        break;
    }
    default:
        return false;
    }

    return true;
}

bool LLSettingsBase::Validator::verifyVectorMinMax(LLSD &value, LLSD minvals, LLSD maxvals)
{
    for (S32 index = 0; index < value.size(); ++index)
    {
        if (minvals[index].asString() != "*")
        {
            if (minvals[index].asReal() > value[index].asReal())
            {
                value[index] = minvals[index].asReal();
            }
        }
        if (maxvals[index].asString() != "*") 
        {
            if (maxvals[index].asReal() < value[index].asReal())
            {
                value[index] = maxvals[index].asReal();
            }
        }
    }

    return true;
}

bool LLSettingsBase::Validator::verifyQuaternion(LLSD &value)
{
    return (value.size() == 4);
}

bool LLSettingsBase::Validator::verifyQuaternionNormal(LLSD &value)
{
    if (value.size() != 4)
        return false;

    LLQuaternion quat(value);

    if (is_approx_equal(quat.normalize(), 1.0f))
        return true;

    LLSD newquat = quat.getValue();
    for (S32 index = 0; index < 4; ++index)
    {
        value[index] = newquat[index];
    }
    return true;
}

bool LLSettingsBase::Validator::verifyFloatRange(LLSD &value, LLSD range)
{
    F64 real = value.asReal();

    F64 clampedval = llclamp(LLSD::Real(real), range[0].asReal(), range[1].asReal());

    if (is_approx_equal(clampedval, real))
        return true;

    value = LLSD::Real(clampedval);
    return true;
}

bool LLSettingsBase::Validator::verifyIntegerRange(LLSD &value, LLSD range)
{
    S32 ival = value.asInteger();

    S32 clampedval = llclamp(LLSD::Integer(ival), range[0].asInteger(), range[1].asInteger());

    if (clampedval == ival)
        return true;

    value = LLSD::Integer(clampedval);
    return true;
}

//=========================================================================
void LLSettingsBlender::update(const LLSettingsBase::BlendFactor& blendf)
{
    setBlendFactor(blendf);
}

F64 LLSettingsBlender::setBlendFactor(const LLSettingsBase::BlendFactor& blendf_in)
{
    LLSettingsBase::TrackPosition blendf = blendf_in;
    if (blendf >= 1.0)
    {
        triggerComplete();
        return 1.0;
    }
    blendf = llclamp(blendf, 0.0f, 1.0f);

    if (mTarget)
    {
        mTarget->replaceSettings(mInitial->getSettings());
        if (!mFinal || (mInitial == mFinal) || (blendf == 0.0))
        {   // this is a trivial blend.  Results will be identical to the initial.
            return blendf;
        }
        mTarget->blend(mFinal, blendf);
    }
    else
    {
        LL_WARNS("SETTINGS") << "No target for settings blender." << LL_ENDL;
    }

    return blendf;
}

void LLSettingsBlender::triggerComplete()
{
    if (mTarget)
        mTarget->replaceSettings(mFinal->getSettings());
    LLSettingsBlender::ptr_t hold = shared_from_this();   // prevents this from deleting too soon
    mOnFinished(shared_from_this());
}

//-------------------------------------------------------------------------
const LLSettingsBase::BlendFactor LLSettingsBlenderTimeDelta::MIN_BLEND_DELTA(0.001);

LLSettingsBase::BlendFactor LLSettingsBlenderTimeDelta::calculateBlend(const LLSettingsBase::TrackPosition& spanpos, const LLSettingsBase::TrackPosition& spanlen) const
{
    return LLSettingsBase::BlendFactor(fmod((F64)spanpos, (F64)spanlen) / (F64)spanlen);
}

void LLSettingsBlenderTimeDelta::applyTimeDelta(const LLSettingsBase::Seconds& timedelta)
{
    mTimeSpent += timedelta;
    mTimeDeltaPassed += timedelta;

    if (mTimeSpent > mBlendSpan)
    {
        mIgnoreTimeDelta = false;
        triggerComplete();
        return;
    }

    if ((mTimeDeltaPassed < mTimeDeltaThreshold) && (!mIgnoreTimeDelta))
    {
        return;
    }

    LLSettingsBase::BlendFactor blendf = calculateBlend(mTimeSpent, mBlendSpan);
    mTimeDeltaPassed = LLSettingsBase::Seconds(0.0);

    if (fabs(mLastBlendF - blendf) < mBlendFMinDelta)
    {
        return;
    }

    mLastBlendF = blendf;

    update(blendf);
}