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/**
* @file llpolyskeletaldistortion.cpp
* @brief Implementation of LLPolySkeletalDistortion classes
*
* $LicenseInfo:firstyear=2001&license=viewerlgpl$
* 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 "llpreprocessor.h"
#include "llerror.h"
#include "llavatarappearance.h"
#include "llavatarjoint.h"
#include "llpolymorph.h"
#include "llwearable.h"
#include "llfasttimer.h"
#include "llcallstack.h"
#include "llpolyskeletaldistortion.h"
//-----------------------------------------------------------------------------
// LLPolySkeletalDistortionInfo()
//-----------------------------------------------------------------------------
LLPolySkeletalDistortionInfo::LLPolySkeletalDistortionInfo()
{
}
BOOL LLPolySkeletalDistortionInfo::parseXml(LLXmlTreeNode* node)
{
llassert( node->hasName( "param" ) && node->getChildByName( "param_skeleton" ) );
if (!LLViewerVisualParamInfo::parseXml(node))
return FALSE;
LLXmlTreeNode* skeletalParam = node->getChildByName("param_skeleton");
if (NULL == skeletalParam)
{
LL_WARNS() << "Failed to getChildByName(\"param_skeleton\")"
<< LL_ENDL;
return FALSE;
}
for( LLXmlTreeNode* bone = skeletalParam->getFirstChild(); bone; bone = skeletalParam->getNextChild() )
{
if (bone->hasName("bone"))
{
std::string name;
LLVector3 scale;
LLVector3 pos;
BOOL haspos = FALSE;
static LLStdStringHandle name_string = LLXmlTree::addAttributeString("name");
if (!bone->getFastAttributeString(name_string, name))
{
LL_WARNS() << "No bone name specified for skeletal param." << LL_ENDL;
continue;
}
static LLStdStringHandle scale_string = LLXmlTree::addAttributeString("scale");
if (!bone->getFastAttributeVector3(scale_string, scale))
{
LL_WARNS() << "No scale specified for bone " << name << "." << LL_ENDL;
continue;
}
// optional offset deformation (translation)
static LLStdStringHandle offset_string = LLXmlTree::addAttributeString("offset");
if (bone->getFastAttributeVector3(offset_string, pos))
{
haspos = TRUE;
}
mBoneInfoList.push_back(LLPolySkeletalBoneInfo(name, scale, pos, haspos));
}
else
{
LL_WARNS() << "Unrecognized element " << bone->getName() << " in skeletal distortion" << LL_ENDL;
continue;
}
}
return TRUE;
}
//-----------------------------------------------------------------------------
// LLPolySkeletalDistortion()
//-----------------------------------------------------------------------------
LLPolySkeletalDistortion::LLPolySkeletalDistortion(LLAvatarAppearance *avatarp)
: LLViewerVisualParam(),
mDefaultVec(),
mJointScales(),
mJointOffsets(),
mAvatar(avatarp)
{
mDefaultVec.splat(0.001f);
}
//-----------------------------------------------------------------------------
// LLPolySkeletalDistortion()
//-----------------------------------------------------------------------------
LLPolySkeletalDistortion::LLPolySkeletalDistortion(const LLPolySkeletalDistortion &pOther)
: LLViewerVisualParam(pOther),
mDefaultVec(pOther.mDefaultVec),
mJointScales(pOther.mJointScales),
mJointOffsets(pOther.mJointOffsets),
mAvatar(pOther.mAvatar)
{
}
//-----------------------------------------------------------------------------
// ~LLPolySkeletalDistortion()
//-----------------------------------------------------------------------------
LLPolySkeletalDistortion::~LLPolySkeletalDistortion()
{
}
BOOL LLPolySkeletalDistortion::setInfo(LLPolySkeletalDistortionInfo *info)
{
if (info->mID < 0)
{
return FALSE;
}
mInfo = info;
mID = info->mID;
setWeight(getDefaultWeight());
LLPolySkeletalDistortionInfo::bone_info_list_t::iterator iter;
for (iter = getInfo()->mBoneInfoList.begin(); iter != getInfo()->mBoneInfoList.end(); iter++)
{
LLPolySkeletalBoneInfo *bone_info = &(*iter);
LLJoint* joint = mAvatar->getJoint(bone_info->mBoneName);
if (!joint)
{
// There's no point continuing after this error - means
// that either the skeleton or lad file is broken.
LL_WARNS() << "Joint " << bone_info->mBoneName << " not found." << LL_ENDL;
return FALSE;
}
// store it
mJointScales[joint] = bone_info->mScaleDeformation;
// apply to children that need to inherit it
for (LLJoint::child_list_t::iterator iter = joint->mChildren.begin();
iter != joint->mChildren.end(); ++iter)
{
LLAvatarJoint* child_joint = (LLAvatarJoint*)(*iter);
if (child_joint->inheritScale())
{
LLVector3 childDeformation = LLVector3(child_joint->getScale());
childDeformation.scaleVec(bone_info->mScaleDeformation);
mJointScales[child_joint] = childDeformation;
}
}
if (bone_info->mHasPositionDeformation)
{
mJointOffsets[joint] = bone_info->mPositionDeformation;
}
}
return TRUE;
}
/*virtual*/ LLViewerVisualParam* LLPolySkeletalDistortion::cloneParam(LLWearable* wearable) const
{
return new LLPolySkeletalDistortion(*this);
}
//-----------------------------------------------------------------------------
// apply()
//-----------------------------------------------------------------------------
static LLTrace::BlockTimerStatHandle FTM_POLYSKELETAL_DISTORTION_APPLY("Skeletal Distortion");
void LLPolySkeletalDistortion::apply( ESex avatar_sex )
{
LL_RECORD_BLOCK_TIME(FTM_POLYSKELETAL_DISTORTION_APPLY);
F32 effective_weight = ( getSex() & avatar_sex ) ? mCurWeight : getDefaultWeight();
LLJoint* joint;
joint_vec_map_t::iterator iter;
for (iter = mJointScales.begin();
iter != mJointScales.end();
iter++)
{
joint = iter->first;
LLVector3 newScale = joint->getScale();
LLVector3 scaleDelta = iter->second;
LLVector3 offset = (effective_weight - mLastWeight) * scaleDelta;
newScale = newScale + offset;
//An aspect of attached mesh objects (which contain joint offsets) that need to be cleaned up when detached
// needed?
// joint->storeScaleForReset( newScale );
// BENTO for detailed stack tracing of params.
std::stringstream ostr;
ostr << "LLPolySkeletalDistortion::apply, id " << getID() << " " << getName() << " effective wt " << effective_weight << " last wt " << mLastWeight << " scaleDelta " << scaleDelta << " offset " << offset;
LLScopedContextString str(ostr.str());
joint->setScale(newScale, true);
}
for (iter = mJointOffsets.begin();
iter != mJointOffsets.end();
iter++)
{
joint = iter->first;
LLVector3 newPosition = joint->getPosition();
LLVector3 positionDelta = iter->second;
newPosition = newPosition + (effective_weight * positionDelta) - (mLastWeight * positionDelta);
// SL-315
bool allow_attachment_pos_overrides = true;
joint->setPosition(newPosition, allow_attachment_pos_overrides);
}
if (mLastWeight != effective_weight && !mIsAnimating)
{
mAvatar->setSkeletonSerialNum(mAvatar->getSkeletonSerialNum() + 1);
}
mLastWeight = effective_weight;
}
LLPolyMorphData *clone_morph_param_duplicate(const LLPolyMorphData *src_data,
const std::string &name)
{
LLPolyMorphData* cloned_morph_data = new LLPolyMorphData(*src_data);
cloned_morph_data->mName = name;
for (U32 v=0; v < cloned_morph_data->mNumIndices; v++)
{
cloned_morph_data->mCoords[v] = src_data->mCoords[v];
cloned_morph_data->mNormals[v] = src_data->mNormals[v];
cloned_morph_data->mBinormals[v] = src_data->mBinormals[v];
}
return cloned_morph_data;
}
LLPolyMorphData *clone_morph_param_direction(const LLPolyMorphData *src_data,
const LLVector3 &direction,
const std::string &name)
{
LLPolyMorphData* cloned_morph_data = new LLPolyMorphData(*src_data);
cloned_morph_data->mName = name;
LLVector4a dir;
dir.load3(direction.mV);
for (U32 v=0; v < cloned_morph_data->mNumIndices; v++)
{
cloned_morph_data->mCoords[v] = dir;
cloned_morph_data->mNormals[v].clear();
cloned_morph_data->mBinormals[v].clear();
}
return cloned_morph_data;
}
LLPolyMorphData *clone_morph_param_cleavage(const LLPolyMorphData *src_data,
F32 scale,
const std::string &name)
{
LLPolyMorphData* cloned_morph_data = new LLPolyMorphData(*src_data);
cloned_morph_data->mName = name;
LLVector4a sc;
sc.splat(scale);
LLVector4a nsc;
nsc.set(scale, -scale, scale, scale);
for (U32 v=0; v < cloned_morph_data->mNumIndices; v++)
{
if (cloned_morph_data->mCoords[v][1] < 0)
{
cloned_morph_data->mCoords[v].setMul(src_data->mCoords[v],nsc);
cloned_morph_data->mNormals[v].setMul(src_data->mNormals[v],nsc);
cloned_morph_data->mBinormals[v].setMul(src_data->mBinormals[v],nsc);
}
else
{
cloned_morph_data->mCoords[v].setMul(src_data->mCoords[v],sc);
cloned_morph_data->mNormals[v].setMul(src_data->mNormals[v], sc);
cloned_morph_data->mBinormals[v].setMul(src_data->mBinormals[v],sc);
}
}
return cloned_morph_data;
}
// End
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