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/**
* @file llvisualparam.cpp
* @brief Implementation of LLPolyMesh class.
*
* Copyright (c) 2001-$CurrentYear$, Linden Research, Inc.
* $License$
*/
//-----------------------------------------------------------------------------
// 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
LLString 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.
LLString::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;
}
//-----------------------------------------------------------------------------
// LLVisualParam()
//-----------------------------------------------------------------------------
LLVisualParam::LLVisualParam()
:
mCurWeight( 0.f ),
mLastWeight( 0.f ),
mNext( NULL ),
mTargetWeight( 0.f ),
mIsAnimating( FALSE ),
mID( -1 ),
mInfo( 0 )
{
}
//-----------------------------------------------------------------------------
// ~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 set_by_user)
{
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, set_by_user);
}
}
//-----------------------------------------------------------------------------
// setAnimationTarget()
//-----------------------------------------------------------------------------
void LLVisualParam::setAnimationTarget(F32 target_value, BOOL set_by_user)
{
if (getGroup() == VISUAL_PARAM_GROUP_TWEAKABLE)
{
if (mInfo)
{
mTargetWeight = llclamp(target_value, mInfo->mMinWeight, mInfo->mMaxWeight);
}
else
{
mTargetWeight = target_value;
}
}
mIsAnimating = TRUE;
if (mNext)
{
mNext->setAnimationTarget(target_value, set_by_user);
}
}
//-----------------------------------------------------------------------------
// setNextParam()
//-----------------------------------------------------------------------------
void LLVisualParam::setNextParam( LLVisualParam *next )
{
llassert(!mNext);
mNext = next;
}
//-----------------------------------------------------------------------------
// animate()
//-----------------------------------------------------------------------------
void LLVisualParam::animate( F32 delta, BOOL set_by_user )
{
if (mIsAnimating)
{
F32 new_weight = ((mTargetWeight - mCurWeight) * delta) + mCurWeight;
setWeight(new_weight, set_by_user);
}
}
//-----------------------------------------------------------------------------
// stopAnimating()
//-----------------------------------------------------------------------------
void LLVisualParam::stopAnimating(BOOL set_by_user)
{
if (mIsAnimating && getGroup() == VISUAL_PARAM_GROUP_TWEAKABLE)
{
mIsAnimating = FALSE;
setWeight(mTargetWeight, set_by_user);
}
}
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