summaryrefslogtreecommitdiff
path: root/indra/llcharacter/llvisualparam.cpp
blob: f7cb0f76b717f9a83b42d91d96b64219b527a9ff (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
/** 
 * @file llvisualparam.cpp
 * @brief Implementation of LLPolyMesh class.
 *
 * $LicenseInfo:firstyear=2001&license=viewerlgpl$
 * 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
 * $/LicenseInfo$
 */

//-----------------------------------------------------------------------------
// Header Files
//-----------------------------------------------------------------------------
#include "linden_common.h"

#include "llvisualparam.h"

//-----------------------------------------------------------------------------
// LLVisualParamInfo()
//-----------------------------------------------------------------------------
LLVisualParamInfo::LLVisualParamInfo()
	:
	mID( -1 ),
	mGroup( VISUAL_PARAM_GROUP_TWEAKABLE ),
	mMinWeight( 0.f ),
	mMaxWeight( 1.f ),
	mDefaultWeight( 0.f ),
	mSex( SEX_BOTH )
{
}

//-----------------------------------------------------------------------------
// parseXml()
//-----------------------------------------------------------------------------
BOOL LLVisualParamInfo::parseXml(LLXmlTreeNode *node)
{
	// attribute: id
	static LLStdStringHandle id_string = LLXmlTree::addAttributeString("id");
	node->getFastAttributeS32( id_string, mID );
	
	// attribute: group
	U32 group = 0;
	static LLStdStringHandle group_string = LLXmlTree::addAttributeString("group");
	if( node->getFastAttributeU32( group_string, group ) )
	{
		if( group < NUM_VISUAL_PARAM_GROUPS )
		{
			mGroup = (EVisualParamGroup)group;
		}
	}

	// attribute: value_min, value_max
	static LLStdStringHandle value_min_string = LLXmlTree::addAttributeString("value_min");
	static LLStdStringHandle value_max_string = LLXmlTree::addAttributeString("value_max");
	node->getFastAttributeF32( value_min_string, mMinWeight );
	node->getFastAttributeF32( value_max_string, mMaxWeight );

	// attribute: value_default
	F32 default_weight = 0;
	static LLStdStringHandle value_default_string = LLXmlTree::addAttributeString("value_default");
	if( node->getFastAttributeF32( value_default_string, default_weight ) )
	{
		mDefaultWeight = llclamp( default_weight, mMinWeight, mMaxWeight );
		if( default_weight != mDefaultWeight )
		{
			llwarns << "value_default attribute is out of range in node " << mName << " " << default_weight << llendl;
		}
	}
	
	// attribute: sex
	std::string sex = "both";
	static LLStdStringHandle sex_string = LLXmlTree::addAttributeString("sex");
	node->getFastAttributeString( sex_string, sex ); // optional
	if( sex == "both" )
	{
		mSex = SEX_BOTH;
	}
	else if( sex == "male" )
	{
		mSex = SEX_MALE;
	}
	else if( sex == "female" )
	{
		mSex = SEX_FEMALE;
	}
	else
	{
		llwarns << "Avatar file: <param> has invalid sex attribute: " << sex << llendl;
		return FALSE;
	}
	
	// attribute: name
	static LLStdStringHandle name_string = LLXmlTree::addAttributeString("name");
	if( !node->getFastAttributeString( name_string, mName ) )
	{
		llwarns << "Avatar file: <param> is missing name attribute" << llendl;
		return FALSE;
	}

	// attribute: label
	static LLStdStringHandle label_string = LLXmlTree::addAttributeString("label");
	if( !node->getFastAttributeString( label_string, mDisplayName ) )
	{
		mDisplayName = mName;
	}

	// JC - make sure the display name includes the capitalization in the XML file,
	// not the lowercased version.
	LLStringUtil::toLower(mName);

	// attribute: label_min
	static LLStdStringHandle label_min_string = LLXmlTree::addAttributeString("label_min");
	if( !node->getFastAttributeString( label_min_string, mMinName ) )
	{
		mMinName = "Less";
	}

	// attribute: label_max
	static LLStdStringHandle label_max_string = LLXmlTree::addAttributeString("label_max");
	if( !node->getFastAttributeString( label_max_string, mMaxName ) )
	{
		mMaxName = "More";
	}

	return TRUE;
}

//virtual
void LLVisualParamInfo::toStream(std::ostream &out)
{
	out <<  mID << "\t";
	out << mName << "\t";
	out <<  mDisplayName << "\t";
	out <<  mMinName << "\t";
	out <<  mMaxName << "\t";
	out <<  mGroup << "\t";
	out <<  mMinWeight << "\t";
	out <<  mMaxWeight << "\t";
	out <<  mDefaultWeight << "\t";
	out <<  mSex << "\t";
}

//-----------------------------------------------------------------------------
// LLVisualParam()
//-----------------------------------------------------------------------------
LLVisualParam::LLVisualParam()	
	:
	mCurWeight( 0.f ),
	mLastWeight( 0.f ),
	mNext( NULL ),
	mTargetWeight( 0.f ),
	mIsAnimating( FALSE ),
	mID( -1 ),
	mInfo( 0 ),
	mIsDummy(FALSE),
	mParamLocation(LOC_UNKNOWN)
{
}

//-----------------------------------------------------------------------------
// ~LLVisualParam()
//-----------------------------------------------------------------------------
LLVisualParam::~LLVisualParam()
{
	delete mNext;
}

/*
//=============================================================================
// These virtual functions should always be overridden,
// but are included here for use as templates
//=============================================================================

//-----------------------------------------------------------------------------
// setInfo()
//-----------------------------------------------------------------------------

BOOL LLVisualParam::setInfo(LLVisualParamInfo *info)
{
	llassert(mInfo == NULL);
	if (info->mID < 0)
		return FALSE;
	mInfo = info;
	mID = info->mID;
	setWeight(getDefaultWeight(), FALSE );
	return TRUE;
}

//-----------------------------------------------------------------------------
// parseData()
//-----------------------------------------------------------------------------
BOOL LLVisualParam::parseData(LLXmlTreeNode *node)
{
	LLVisualParamInfo *info = new LLVisualParamInfo;

	info->parseXml(node);
	if (!setInfo(info))
		return FALSE;
	
	return TRUE;
}
*/

//-----------------------------------------------------------------------------
// setWeight()
//-----------------------------------------------------------------------------
void LLVisualParam::setWeight(F32 weight, BOOL upload_bake)
{
	if (mIsAnimating)
	{
		//RN: allow overshoot
		mCurWeight = weight;
	}
	else if (mInfo)
	{
		mCurWeight = llclamp(weight, mInfo->mMinWeight, mInfo->mMaxWeight);
	}
	else
	{
		mCurWeight = weight;
	}
	
	if (mNext)
	{
		mNext->setWeight(weight, upload_bake);
	}
}

//-----------------------------------------------------------------------------
// setAnimationTarget()
//-----------------------------------------------------------------------------
void LLVisualParam::setAnimationTarget(F32 target_value, BOOL upload_bake)
{
	// don't animate dummy parameters
	if (mIsDummy)
	{
		setWeight(target_value, upload_bake);
		mTargetWeight = mCurWeight;
		return;
	}

	if (mInfo)
	{
		if (isTweakable())
		{
			mTargetWeight = llclamp(target_value, mInfo->mMinWeight, mInfo->mMaxWeight);
		}
	}
	else
	{
		mTargetWeight = target_value;
	}
	mIsAnimating = TRUE;

	if (mNext)
	{
		mNext->setAnimationTarget(target_value, upload_bake);
	}
}

//-----------------------------------------------------------------------------
// setNextParam()
//-----------------------------------------------------------------------------
void LLVisualParam::setNextParam( LLVisualParam *next )
{
	llassert(!mNext);
	llassert(getWeight() == getDefaultWeight()); // need to establish mNext before we start changing values on this, else initial value won't get mirrored (we can fix that, but better to forbid this pattern)
	mNext = next;
}

//-----------------------------------------------------------------------------
// animate()
//-----------------------------------------------------------------------------
void LLVisualParam::animate( F32 delta, BOOL upload_bake )
{
	if (mIsAnimating)
	{
		F32 new_weight = ((mTargetWeight - mCurWeight) * delta) + mCurWeight;
		setWeight(new_weight, upload_bake);
	}
}

//-----------------------------------------------------------------------------
// stopAnimating()
//-----------------------------------------------------------------------------
void LLVisualParam::stopAnimating(BOOL upload_bake)
{ 
	if (mIsAnimating && isTweakable())
	{
		mIsAnimating = FALSE; 
		setWeight(mTargetWeight, upload_bake);
	}
}

//virtual
BOOL LLVisualParam::linkDrivenParams(visual_param_mapper mapper, BOOL only_cross_params)
{
	// nothing to do for non-driver parameters
	return TRUE;
}

//virtual 
void LLVisualParam::resetDrivenParams()
{
	// nothing to do for non-driver parameters
	return;
}

const std::string param_location_name(const EParamLocation& loc)
{
	switch (loc)
	{
		case LOC_UNKNOWN: return "unknown";
		case LOC_AV_SELF: return "self";
		case LOC_AV_OTHER: return "other";
		case LOC_WEARABLE: return "wearable";
		default: return "error";
	}
}

void LLVisualParam::setParamLocation(EParamLocation loc)
{
	if (mParamLocation == LOC_UNKNOWN || loc == LOC_UNKNOWN)
	{
		mParamLocation = loc;
	}
	else if (mParamLocation == loc)
	{
		// no action
	}
	else
	{
		lldebugs << "param location is already " << mParamLocation << ", not slamming to " << loc << llendl;
	}
}