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remove old path and add few fixes

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This commit is contained in:
Julien Valentin 2017-08-28 16:46:01 +02:00
parent 6d55d8d341
commit da1d2b67f7
5 changed files with 25 additions and 385 deletions
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17
include/osgAnimation/RigTransformHardware
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@ -1,5 +1,6 @@
/* -*-c++-*- /* -*-c++-*-
* Copyright (C) 2009 Cedric Pinson <cedric.pinson@plopbyte.net> * Copyright (C) 2009 Cedric Pinson <cedric.pinson@plopbyte.net>
* Copyright (C) 2017 Julien Valentin <mp3butcher@hotmail.com>
* *
* This library is open source and may be redistributed and/or modified under * This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
@ -43,17 +44,6 @@ namespace osgAnimation
typedef std::map<std::string, unsigned int> BoneNamePaletteIndex; typedef std::map<std::string, unsigned int> BoneNamePaletteIndex;
typedef std::vector<osg::Matrix> MatrixPalette; typedef std::vector<osg::Matrix> MatrixPalette;
/*struct IndexWeightEntry
{
IndexWeightEntry(unsigned int index=0, float weight=0.0f): _boneIndex(index), _boneWeight(weight){}
IndexWeightEntry(const IndexWeightEntry&o): _boneIndex(o._boneIndex), _boneWeight(o._boneWeight){}
bool operator <(const IndexWeightEntry &o)const{return (_boneIndex<o._boneIndex);}
const unsigned int &getBoneIndex() const { return _boneIndex; }
const float &getWeight() const { return _boneWeight; }
unsigned int _boneIndex;
float _boneWeight;
};*/
osg::Vec4Array* getVertexAttrib(unsigned int index); osg::Vec4Array* getVertexAttrib(unsigned int index);
unsigned int getNumVertexAttrib(); unsigned int getNumVertexAttrib();
@ -64,8 +54,6 @@ namespace osgAnimation
unsigned int getNumBonesPerVertex() const; unsigned int getNumBonesPerVertex() const;
unsigned int getNumVertexes() const; unsigned int getNumVertexes() const;
bool createPalette(unsigned int nbVertexes,const BoneMap& boneMap, const VertexInfluenceSet::VertIDToBoneWeightList& vertexIndexToBoneWeightMap);
virtual void operator()(RigGeometry&); virtual void operator()(RigGeometry&);
virtual bool prepareData(RigGeometry& ); virtual bool prepareData(RigGeometry& );
@ -78,8 +66,7 @@ namespace osgAnimation
protected: protected:
bool init(RigGeometry&); osg::Uniform* createVertexUniform();
osg::Uniform* createVertexUniform();
unsigned int _bonesPerVertex; unsigned int _bonesPerVertex;
unsigned int _nbVertexes; unsigned int _nbVertexes;

18
include/osgAnimation/RigTransformSoftware
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@ -1,5 +1,6 @@
/* -*-c++-*- /* -*-c++-*-
* Copyright (C) 2009 Cedric Pinson <cedric.pinson@plopbyte.net> * Copyright (C) 2009 Cedric Pinson <cedric.pinson@plopbyte.net>
* Copyright (C) 2017 Julien Valentin <mp3butcher@hotmail.com>
* *
* This library is open source and may be redistributed and/or modified under * This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
@ -132,9 +133,9 @@ namespace osgAnimation
template <class V> void compute(const osg::Matrix& transform, const osg::Matrix& invTransform, const V* src, V* dst) template <class V> void compute(const osg::Matrix& transform, const osg::Matrix& invTransform, const V* src, V* dst)
{ {
// the result of matrix mult should be cached to be used for vertexes transform and normal transform and maybe other computation // the result of matrix mult should be cached to be used for vertexes transform and normal transform and maybe other computation
for(std::vector<VertexGroup>::iterator itvg=_uniqInfluenceSet2VertIDList.begin(); itvg!=_uniqInfluenceSet2VertIDList.end(); ++itvg) for(VertexGroupSet::iterator itvg=_uniqInfluenceSet2VertIDList.begin(); itvg!=_uniqInfluenceSet2VertIDList.end(); ++itvg)
{ {
VertexGroup& uniq = *itvg; VertexGroup& uniq = itvg->second;
uniq.computeMatrixForVertexSet(); uniq.computeMatrixForVertexSet();
osg::Matrix matrix = transform * uniq.getMatrix() * invTransform; osg::Matrix matrix = transform * uniq.getMatrix() * invTransform;
@ -150,9 +151,9 @@ namespace osgAnimation
template <class V> void computeNormal(const osg::Matrix& transform, const osg::Matrix& invTransform, const V* src, V* dst) template <class V> void computeNormal(const osg::Matrix& transform, const osg::Matrix& invTransform, const V* src, V* dst)
{ {
for(std::vector<VertexGroup>::iterator itvg=_uniqInfluenceSet2VertIDList.begin(); itvg!=_uniqInfluenceSet2VertIDList.end(); ++itvg) for(VertexGroupSet::iterator itvg=_uniqInfluenceSet2VertIDList.begin(); itvg!=_uniqInfluenceSet2VertIDList.end(); ++itvg)
{ {
VertexGroup& uniq = *itvg; VertexGroup& uniq = itvg->second;
uniq.computeMatrixForVertexSet(); uniq.computeMatrixForVertexSet();
osg::Matrix matrix = transform * uniq.getMatrix() * invTransform; osg::Matrix matrix = transform * uniq.getMatrix() * invTransform;
@ -166,15 +167,16 @@ namespace osgAnimation
protected: protected:
bool init(RigGeometry&);
void initVertexSetFromBones(const BoneMap& map, const VertexInfluenceSet::UniqVertexGroupList& influence);
std::vector<VertexGroup> _uniqInfluenceSet2VertIDList;
bool _needInit; bool _needInit;
std::map<std::string,bool> _invalidInfluence; std::map<std::string,bool> _invalidInfluence;
typedef std::vector<BonePtrWeight> BoneWeightList;
typedef std::map<BoneWeightList, VertexGroup> VertexGroupSet;
VertexGroupSet _uniqInfluenceSet2VertIDList;
void buildMinimumUpdateSet(const BoneMap&boneMap,const RigGeometry&rig ); void buildMinimumUpdateSet(const BoneMap&boneMap,const RigGeometry&rig );
}; };
} }

5
include/osgAnimation/VertexInfluence
View File

@ -32,6 +32,11 @@ namespace osgAnimation
inline void setBoneName(const std::string&s){first=s;} inline void setBoneName(const std::string&s){first=s;}
inline const float &getWeight()const{return second;} inline const float &getWeight()const{return second;}
inline void setWeight(float i){second=i;} inline void setWeight(float i){second=i;}
///default invweight ordered
bool operator <(const BoneWeight&o)const{
if(getWeight()>o.getWeight()) return true;
if(getWeight()<o.getWeight()) return false;
return getBoneName()<o.getBoneName();}
}; };
// first is vertex index, and second the weight // first is vertex index, and second the weight
struct IndexWeight: public std::pair<unsigned int, float> struct IndexWeight: public std::pair<unsigned int, float>

221
src/osgAnimation/RigTransformHardware.cpp
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@ -1,5 +1,6 @@
/* -*-c++-*- /* -*-c++-*-
* Copyright (C) 2009 Cedric Pinson <cedric.pinson@plopbyte.net> * Copyright (C) 2009 Cedric Pinson <cedric.pinson@plopbyte.net>
* Copyright (C) 2017 Julien Valentin <mp3butcher@hotmail.com>
* *
* This library is open source and may be redistributed and/or modified under * This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
@ -79,87 +80,6 @@ unsigned int RigTransformHardware::getNumVertexes() const { return _nbVertexes;}
typedef std::vector<std::vector<IndexWeight> > VertexIndexWeightList; typedef std::vector<std::vector<IndexWeight> > VertexIndexWeightList;
void createVertexAttribList(RigTransformHardware& rig,const VertexIndexWeightList&_vertexIndexMatrixWeightList,RigTransformHardware::BoneWeightAttribList & boneWeightAttribArrays); void createVertexAttribList(RigTransformHardware& rig,const VertexIndexWeightList&_vertexIndexMatrixWeightList,RigTransformHardware::BoneWeightAttribList & boneWeightAttribArrays);
bool RigTransformHardware::createPalette(unsigned int nbVertexes, const BoneMap &boneMap, const VertexInfluenceSet::VertIDToBoneWeightList& vertexIndexToBoneWeightMap)
{
_nbVertexes = nbVertexes;
typedef std::map<std::string, int> BoneNameCountMap;
_bonePalette.clear();
_boneNameToPalette.clear();
BoneNameCountMap boneNameCountMap;
// init vertex attribute data
VertexIndexWeightList vertexIndexWeight;
vertexIndexWeight.resize(nbVertexes);
unsigned int maxBonePerVertex = 0;
if(vertexIndexToBoneWeightMap.size()!=nbVertexes) {
OSG_WARN << "RigTransformHardware::some vertex has no transform " <<vertexIndexToBoneWeightMap.size()<<"!="<< nbVertexes << std::endl;
return false;
}
unsigned int vertexID=0;
BoneNamePaletteIndex::iterator boneName2PaletteIndex;
for (VertexInfluenceSet::VertIDToBoneWeightList::const_iterator vit = vertexIndexToBoneWeightMap.begin();
vit != vertexIndexToBoneWeightMap.end(); ++vit,++vertexID)
{
const VertexInfluenceSet::BoneWeightList& boneWeightList = *vit;
unsigned int bonesForThisVertex = 0;
for (VertexInfluenceSet::BoneWeightList::const_iterator it = boneWeightList.begin(); it != boneWeightList.end(); ++it)
{
const VertexInfluenceSet::BoneWeight& bw = *it;
if(fabs(bw.getWeight()) > 1e-4) // don't use bone with weight too small
{
if ((boneName2PaletteIndex= _boneNameToPalette.find(bw.getBoneName())) != _boneNameToPalette.end())
{
boneNameCountMap[bw.getBoneName()]++;
bonesForThisVertex++; // count max number of bones per vertexes
vertexIndexWeight[vertexID].push_back(IndexWeight(boneName2PaletteIndex->second,bw.getWeight()));
}
else
{
BoneMap::const_iterator bonebyname;
if ((bonebyname=boneMap.find(bw.getBoneName())) == boneMap.end())
{
OSG_WARN << "RigTransformHardware::createPalette can't find bone " << bw.getBoneName() << "in skeleton bonemap: skip this influence" << std::endl;
continue;
}
boneNameCountMap[bw.getBoneName()] = 1; // for stats
bonesForThisVertex++;
_boneNameToPalette[bw.getBoneName()] = _bonePalette.size() ;
vertexIndexWeight[vertexID].push_back(IndexWeight(_bonePalette.size(),bw.getWeight()));
_bonePalette.push_back(bonebyname->second);
}
}
else
{
OSG_WARN << "RigTransformHardware::createPalette Bone " << bw.getBoneName() << " has a weight " << bw.getWeight() << " for vertex " << vertexID << " this bone will not be in the palette" << std::endl;
}
}
if(bonesForThisVertex==0) {
OSG_WARN << "RigTransformHardware::no transform for vertex " << vertexID << " this will induce a bug in vertex shader" << std::endl;
}
maxBonePerVertex = osg::maximum(maxBonePerVertex, bonesForThisVertex);
}
OSG_INFO << "RigTransformHardware::createPalette maximum number of bone per vertex is " << maxBonePerVertex << std::endl;
OSG_INFO << "RigTransformHardware::createPalette matrix palette has " << boneNameCountMap.size() << " entries" << std::endl;
for (BoneNameCountMap::iterator it = boneNameCountMap.begin(); it != boneNameCountMap.end(); ++it)
{
OSG_INFO << "RigTransformHardware::createPalette Bone " << it->first << " is used " << it->second << " times" << std::endl;
}
OSG_INFO << "RigTransformHardware::createPalette will use " << boneNameCountMap.size() * 4 << " uniforms" << std::endl;
_bonesPerVertex = maxBonePerVertex;
for (int i = 0 ; i < (int)vertexIndexWeight.size(); i++)
vertexIndexWeight[i].resize(maxBonePerVertex);
_uniformMatrixPalette = createVertexUniform();
createVertexAttribList(*this,vertexIndexWeight,this->_boneWeightAttribArrays);
return true;
}
// //
// create vertex attribute by 2 bones // create vertex attribute by 2 bones
// vec4(boneIndex0, weight0, boneIndex1, weight1) // vec4(boneIndex0, weight0, boneIndex1, weight1)
@ -171,9 +91,6 @@ bool RigTransformHardware::createPalette(unsigned int nbVertexes, const BoneMap
void createVertexAttribList(RigTransformHardware& rig,const VertexIndexWeightList& _vertexIndexMatrixWeightList, RigTransformHardware::BoneWeightAttribList& boneWeightAttribArrays) void createVertexAttribList(RigTransformHardware& rig,const VertexIndexWeightList& _vertexIndexMatrixWeightList, RigTransformHardware::BoneWeightAttribList& boneWeightAttribArrays)
{ {
//void createVertexAttribList(RigTransformHardware& rig,const VertexIndexWeightList& _vertexIndexMatrixWeightList, RigTransformHardware::BoneWeightAttribList& boneWeightAttribArrays)
//{
unsigned int nbVertices= rig.getNumVertexes(); unsigned int nbVertices= rig.getNumVertexes();
unsigned int maxbonepervertex=rig.getNumBonesPerVertex(); unsigned int maxbonepervertex=rig.getNumBonesPerVertex();
unsigned int nbArray = static_cast<unsigned int>(ceilf( ((float)maxbonepervertex) * 0.5f)); unsigned int nbArray = static_cast<unsigned int>(ceilf( ((float)maxbonepervertex) * 0.5f));
@ -257,8 +174,6 @@ bool RigTransformHardware::prepareData(RigGeometry& rig)
// copy shallow from source geometry to rig // copy shallow from source geometry to rig
rig.copyFrom(source); rig.copyFrom(source);
//if (!createPalette(positionSrc->size(),bm,geom.getVertexInfluenceSet().getVertexToBoneWeightList())) return false;
osg::ref_ptr<osg::Program> program ; osg::ref_ptr<osg::Program> program ;
osg::ref_ptr<osg::Shader> vertexshader; osg::ref_ptr<osg::Shader> vertexshader;
osg::ref_ptr<osg::StateSet> stateset = rig.getOrCreateStateSet(); osg::ref_ptr<osg::StateSet> stateset = rig.getOrCreateStateSet();
@ -294,35 +209,6 @@ bool RigTransformHardware::prepareData(RigGeometry& rig)
std::string str = vertexshader->getShaderSource(); std::string str = vertexshader->getShaderSource();
std::string toreplace = std::string("MAX_MATRIX"); std::string toreplace = std::string("MAX_MATRIX");
std::size_t start = str.find(toreplace); std::size_t start = str.find(toreplace);
if (std::string::npos == start) {
///perhaps remanance from previous init (if saved after init) so reload shader
/* OSG_WARN << str << std::endl;
vertexshader = osg::Shader::readShaderFile(osg::Shader::VERTEX,"skinning.vert");
if (!vertexshader.valid()) {
OSG_WARN << "RigTransformHardware can't load VertexShader" << std::endl;
return false;
}
str = vertexshader->getShaderSource();
start = str.find(toreplace);
// _uniformMatrixPalette=stateset->getUniform("matrixPalette");
unsigned int attribIndex = 11;
unsigned int nbAttribs = getNumVertexAttrib();
if(nbAttribs==0)
OSG_WARN << "nbAttribs== " << nbAttribs << std::endl;
for (unsigned int i = 0; i < nbAttribs; i++)
{
std::stringstream ss;
ss << "boneWeight" << i;
program->addBindAttribLocation(ss.str(), attribIndex + i);
if(getVertexAttrib(i)->getNumElements()!=_nbVertexes)
OSG_WARN << "getVertexAttrib== " << getVertexAttrib(i)->getNumElements() << std::endl;
geom.setVertexAttribArray(attribIndex + i, getVertexAttrib(i));
OSG_INFO << "set vertex attrib " << ss.str() << std::endl;
}
_needInit = false;
return true;*/
}
if (std::string::npos != start) { if (std::string::npos != start) {
std::stringstream ss; std::stringstream ss;
ss << getMatrixPaletteUniform()->getNumElements(); ss << getMatrixPaletteUniform()->getNumElements();
@ -489,111 +375,6 @@ bool RigTransformHardware::buildPalette(BoneMap&boneMap ,RigGeometry&rig) {
*/ */
return true; return true;
} }
bool RigTransformHardware::init(RigGeometry& geom)
{
if (!geom.getSkeleton())
{
OSG_WARN << "RigTransformHardware no skeleton set in geometry " << geom.getName() << std::endl;
return false;
}
BoneMapVisitor mapVisitor;
geom.getSkeleton()->accept(mapVisitor);
BoneMap bm = mapVisitor.getBoneMap();
osg::Geometry& source = *geom.getSourceGeometry();
osg::Vec3Array* positionSrc = dynamic_cast<osg::Vec3Array*>(source.getVertexArray());
if (!positionSrc)
{
OSG_WARN << "RigTransformHardware no vertex array in the geometry " << geom.getName() << std::endl;
return false;
}
// copy shallow from source geometry to rig
geom.copyFrom(source);
if (!createPalette(positionSrc->size(),bm,geom.getVertexInfluenceSet().getVertexToBoneList()))
return false;
osg::ref_ptr<osg::Program> program ;
osg::ref_ptr<osg::Shader> vertexshader;
osg::ref_ptr<osg::StateSet> stateset = geom.getOrCreateStateSet();
//grab geom source program and vertex shader if _shader is not setted
if(!_shader.valid() && (program = (osg::Program*)stateset->getAttribute(osg::StateAttribute::PROGRAM)))
{
for(unsigned int i=0;i<program->getNumShaders();++i)
if(program->getShader(i)->getType()==osg::Shader::VERTEX){
vertexshader=program->getShader(i);
program->removeShader(vertexshader);
}
}else {
program = new osg::Program;
program->setName("HardwareSkinning");
}
//set default source if _shader is not user setted
if (!vertexshader.valid()){
if (!_shader.valid())
vertexshader = osg::Shader::readShaderFile(osg::Shader::VERTEX,"skinning.vert");
else vertexshader=_shader;
}
if (!vertexshader.valid()) {
OSG_WARN << "RigTransformHardware can't load VertexShader" << std::endl;
return false;
}
// replace max matrix by the value from uniform
{
std::string str = vertexshader->getShaderSource();
std::string toreplace = std::string("MAX_MATRIX");
std::size_t start = str.find(toreplace);
if (std::string::npos != start) {
std::stringstream ss;
ss << getMatrixPaletteUniform()->getNumElements();
str.replace(start, toreplace.size(), ss.str());
vertexshader->setShaderSource(str);
}
else
{
OSG_INFO<< "MAX_MATRIX not found in Shader! " << str << std::endl;
}
OSG_INFO << "Shader " << str << std::endl;
}
unsigned int attribIndex = 11;
unsigned int nbAttribs = getNumVertexAttrib();
if(nbAttribs==0)
OSG_WARN << "nbAttribs== " << nbAttribs << std::endl;
for (unsigned int i = 0; i < nbAttribs; i++)
{
std::stringstream ss;
ss << "boneWeight" << i;
program->addBindAttribLocation(ss.str(), attribIndex + i);
if(getVertexAttrib(i)->getNumElements()!=_nbVertexes)
OSG_WARN << "getVertexAttrib== " << getVertexAttrib(i)->getNumElements() << std::endl;
geom.setVertexAttribArray(attribIndex + i, getVertexAttrib(i));
OSG_INFO << "set vertex attrib " << ss.str() << std::endl;
}
program->addShader(vertexshader.get());
stateset->removeUniform("matrixPalette");
stateset->addUniform(getMatrixPaletteUniform());
stateset->removeUniform("nbBonesPerVertex");
stateset->addUniform(new osg::Uniform("nbBonesPerVertex",_bonesPerVertex));
stateset->removeAttribute(osg::StateAttribute::PROGRAM);
if(!stateset->getAttribute(osg::StateAttribute::PROGRAM))
stateset->setAttributeAndModes(program.get());
_needInit = false;
return true;
}
void RigTransformHardware::operator()(RigGeometry& geom) void RigTransformHardware::operator()(RigGeometry& geom)
{ {

149
src/osgAnimation/RigTransformSoftware.cpp
View File

@ -1,5 +1,6 @@
/* -*-c++-*- /* -*-c++-*-
* Copyright (C) 2009 Cedric Pinson <cedric.pinson@plopbyte.net> * Copyright (C) 2009 Cedric Pinson <cedric.pinson@plopbyte.net>
* Copyright (C) 2017 Julien Valentin <mp3butcher@hotmail.com>
* *
* This library is open source and may be redistributed and/or modified under * This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
@ -34,87 +35,6 @@ RigTransformSoftware::RigTransformSoftware(const RigTransformSoftware& rts,const
} }
typedef std::vector<RigTransformSoftware::BonePtrWeight> BoneWeightList;
// sort by name and weight
struct SortByNameAndWeight : public std::less<RigTransformSoftware::BonePtrWeight>
{
bool operator()(const RigTransformSoftware::BonePtrWeight& b0,
const RigTransformSoftware::BonePtrWeight& b1) const
{
if (b0.getBoneName() < b1.getBoneName())
return true;
else if (b0.getBoneName() > b1.getBoneName())
return false;
if (b0.getWeight() < b1.getWeight())
return true;
return false;
}
};
struct SortByBoneWeightList : public std::less<BoneWeightList>
{
bool operator()(const BoneWeightList& b0,
const BoneWeightList& b1) const
{
if (b0.size() < b1.size())
return true;
else if (b0.size() > b1.size())
return false;
int size = b0.size();
for (int i = 0; i < size; i++)
{
bool result = SortByNameAndWeight()(b0[i], b1[i]);
if (result)
return true;
else if (SortByNameAndWeight()(b1[i], b0[i]))
return false;
}
return false;
}
};
bool RigTransformSoftware::init(RigGeometry& geom)
{
if (!geom.getSkeleton())
return false;
BoneMapVisitor mapVisitor;
geom.getSkeleton()->accept(mapVisitor);
BoneMap bm = mapVisitor.getBoneMap();
initVertexSetFromBones(bm, geom.getVertexInfluenceSet().getUniqVertexGroupList());
if (geom.getSourceGeometry())
geom.copyFrom(*geom.getSourceGeometry());
osg::Vec3Array* normalSrc = dynamic_cast<osg::Vec3Array*>(geom.getSourceGeometry()->getNormalArray());
osg::Vec3Array* positionSrc = dynamic_cast<osg::Vec3Array*>(geom.getSourceGeometry()->getVertexArray());
if(!(positionSrc) || positionSrc->empty() )
return false;
if(normalSrc&& normalSrc->size()!=positionSrc->size())
return false;
geom.setVertexArray(new osg::Vec3Array);
osg::Vec3Array* positionDst =new osg::Vec3Array;
geom.setVertexArray(positionDst);
*positionDst=*positionSrc;
positionDst->setDataVariance(osg::Object::DYNAMIC);
if(normalSrc){
osg::Vec3Array* normalDst =new osg::Vec3Array;
*normalDst=*normalSrc;
geom.setNormalArray(normalDst, osg::Array::BIND_PER_VERTEX);
normalDst->setDataVariance(osg::Object::DYNAMIC);
}
_needInit = false;
return true;
}
void RigTransformSoftware::buildMinimumUpdateSet(const BoneMap&boneMap,const RigGeometry&rig ){ void RigTransformSoftware::buildMinimumUpdateSet(const BoneMap&boneMap,const RigGeometry&rig ){
///1 Create Index2Vec<BoneWeight> ///1 Create Index2Vec<BoneWeight>
@ -172,29 +92,19 @@ void RigTransformSoftware::buildMinimumUpdateSet(const BoneMap&boneMap,const Rig
///2 Create inverse mapping Vec<BoneWeight>2Vec<Index> from previous built Index2Vec<BoneWeight> ///2 Create inverse mapping Vec<BoneWeight>2Vec<Index> from previous built Index2Vec<BoneWeight>
///in order to minimize weighted matrices computation on update ///in order to minimize weighted matrices computation on update
typedef std::map<BoneWeightList, VertexGroup, SortByBoneWeightList> UnifyBoneGroup; _uniqInfluenceSet2VertIDList.clear();
UnifyBoneGroup unifyBuffer;
vertexID=0; vertexID=0;
for (std::vector<BoneWeightList>::iterator it = _vertex2Bones.begin(); it != _vertex2Bones.end(); ++it,++vertexID) for (std::vector<BoneWeightList>::iterator it = _vertex2Bones.begin(); it != _vertex2Bones.end(); ++it,++vertexID)
{ {
BoneWeightList& bones = *it; BoneWeightList& bones = *it;
// sort the vector to have a consistent key // sort the vector to have a consistent key
std::sort(bones.begin(), bones.end(), SortByNameAndWeight()); std::sort(bones.begin(), bones.end());
// we use the vector<BoneWeight> as key to differentiate group // we use the vector<BoneWeight> as key to differentiate group
UnifyBoneGroup::iterator result = unifyBuffer.find(bones); VertexGroupSet::iterator result = _uniqInfluenceSet2VertIDList.find(bones);
if (result == unifyBuffer.end()) if (result == _uniqInfluenceSet2VertIDList.end())
unifyBuffer[bones].getBoneWeights()=bones; _uniqInfluenceSet2VertIDList[bones].getBoneWeights()=bones;
unifyBuffer[bones].getVertexes().push_back(vertexID); _uniqInfluenceSet2VertIDList[bones].getVertexes().push_back(vertexID);
} }
if(_vertex2Bones.size()==unifyBuffer.size()) {
OSG_WARN << "RigTransformSoftware::build mapping is useless no duplicate VertexGroup : too much " <<_vertex2Bones.size()<<"=="<<unifyBuffer.size()<< std::endl;
}
_uniqInfluenceSet2VertIDList.reserve(unifyBuffer.size());
for (UnifyBoneGroup::iterator it = unifyBuffer.begin(); it != unifyBuffer.end(); ++it)
_uniqInfluenceSet2VertIDList.push_back(it->second);
OSG_DEBUG << "uniq groups " << _uniqInfluenceSet2VertIDList.size() << " for " << rig.getName() << std::endl; OSG_DEBUG << "uniq groups " << _uniqInfluenceSet2VertIDList.size() << " for " << rig.getName() << std::endl;
} }
@ -290,48 +200,3 @@ void RigTransformSoftware::operator()(RigGeometry& geom)
} }
} }
///convert BoneWeight to BonePtrWeight using bonemap
void RigTransformSoftware::initVertexSetFromBones(const BoneMap& map, const VertexInfluenceSet::UniqVertexGroupList& vertexgroups)
{
_uniqInfluenceSet2VertIDList.clear();
int size = vertexgroups.size();
_uniqInfluenceSet2VertIDList.resize(size);
//for (VertexInfluenceSet::UniqVertexGroupList::const_iterator vgit=vertexgroups.begin(); vgit!=vertexgroups.end();vgit++)
for(int i = 0; i < size; i++)
{
const VertexInfluenceSet::VertexGroup& vg = vertexgroups[i];
int nbBones = vg.getBones().size();
BonePtrWeightList& boneList = _uniqInfluenceSet2VertIDList[i].getBoneWeights();
double sumOfWeight = 0;
for (int b = 0; b < nbBones; b++)
{
const std::string& bname = vg.getBones()[b].getBoneName();
float weight = vg.getBones()[b].getWeight();
BoneMap::const_iterator it = map.find(bname);
if (it == map.end() )
{
if (_invalidInfluence.find(bname) != _invalidInfluence.end()) {
_invalidInfluence[bname] = true;
OSG_WARN << "RigTransformSoftware Bone " << bname << " not found, skip the influence group " <<bname << std::endl;
}
continue;
}
Bone* bone = it->second.get();
boneList.push_back(BonePtrWeight(bone->getName(), weight, bone));
sumOfWeight += weight;
}
// if a bone referenced by a vertexinfluence is missed it can make the sum less than 1.0
// so we check it and renormalize the all weight bone
const double threshold = 1e-4;
if (!vg.getBones().empty() &&
(sumOfWeight < 1.0 - threshold || sumOfWeight > 1.0 + threshold))
{
for (int b = 0; b < (int)boneList.size(); b++)
boneList[b].setWeight(boneList[b].getWeight() / sumOfWeight);
}
_uniqInfluenceSet2VertIDList[i].getVertexes() = vg.getVertexes();
}
}