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/**
* @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 )
{
LL_WARNS() << "value_default attribute is out of range in node " << mName << " " << default_weight << LL_ENDL;
}
}
// 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
{
LL_WARNS() << "Avatar file: <param> has invalid sex attribute: " << sex << LL_ENDL;
return FALSE;
}
// attribute: name
static LLStdStringHandle name_string = LLXmlTree::addAttributeString("name");
if( !node->getFastAttributeString( name_string, mName ) )
{
LL_WARNS() << "Avatar file: <param> is missing name attribute" << LL_ENDL;
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 ),
mIsDummy(FALSE),
mID( -1 ),
mInfo( 0 ),
mParamLocation(LOC_UNKNOWN)
{
}
//-----------------------------------------------------------------------------
// LLVisualParam()
//-----------------------------------------------------------------------------
LLVisualParam::LLVisualParam(const LLVisualParam& pOther)
: mCurWeight(pOther.mCurWeight),
mLastWeight(pOther.mLastWeight),
mNext(pOther.mNext),
mTargetWeight(pOther.mTargetWeight),
mIsAnimating(pOther.mIsAnimating),
mIsDummy(pOther.mIsDummy),
mID(pOther.mID),
mInfo(pOther.mInfo),
mParamLocation(pOther.mParamLocation)
{
}
//-----------------------------------------------------------------------------
// ~LLVisualParam()
//-----------------------------------------------------------------------------
LLVisualParam::~LLVisualParam()
{
delete mNext;
mNext = NULL;
}
/*
//=============================================================================
// 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)
{
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);
}
}
//-----------------------------------------------------------------------------
// setAnimationTarget()
//-----------------------------------------------------------------------------
void LLVisualParam::setAnimationTarget(F32 target_value)
{
// don't animate dummy parameters
if (mIsDummy)
{
setWeight(target_value);
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);
}
}
//-----------------------------------------------------------------------------
// 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;
}
//-----------------------------------------------------------------------------
// clearNextParam()
//-----------------------------------------------------------------------------
void LLVisualParam::clearNextParam()
{
mNext = NULL;
}
//-----------------------------------------------------------------------------
// animate()
//-----------------------------------------------------------------------------
void LLVisualParam::animate( F32 delta)
{
if (mIsAnimating)
{
F32 new_weight = ((mTargetWeight - mCurWeight) * delta) + mCurWeight;
setWeight(new_weight);
}
}
//-----------------------------------------------------------------------------
// stopAnimating()
//-----------------------------------------------------------------------------
void LLVisualParam::stopAnimating()
{
if (mIsAnimating && isTweakable())
{
mIsAnimating = FALSE;
setWeight(mTargetWeight);
}
}
//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
{
LL_DEBUGS() << "param location is already " << mParamLocation << ", not slamming to " << loc << LL_ENDL;
}
}
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