vcglib/wrap/io_trimesh/import_dae.h

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#ifndef __VCGLIB_IMPORTERDAE
#define __VCGLIB_IMPORTERDAE
//importer for collada's files
#include <FCollada.h>
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//#include <FUtils/FUStringConversion.h>
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#include <FCDocument/FCDocument.h>
#include <FCDocument/FCDLibrary.h>
#include <FCDocument/FCDGeometry.h>
#include <FCDocument/FCDGeometryMesh.h>
#include <FCDocument/FCDGeometrySource.h>
#include <FCDocument/FCDGeometryPolygons.h>
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//#include <wrap/gl/trimesh.h>
#include <vcg/complex/trimesh/update/normal.h>
#include <vcg/complex/trimesh/allocate.h>
//#include <hgrd/hgrd.h>
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namespace vcg {
namespace tri {
namespace io {
template<typename OpenMeshType>
class ImporterDAE
{
public:
//merge all meshes in the collada's file in the templeted mesh m
//I assume the mesh
enum DAEError
{
E_NOERROR, // 0
E_CANTOPEN, // 1
E_NOGEOMETRYLIBRARY, // 2
E_NOMESH, // 3
E_NOVERTEXPOSITION, // 4
E_NO3DVERTEXPOSITION // 5
};
static const char *ErrorMsg(int error)
{
static const char * dae_error_msg[] =
{
"No errors",
"Can't open file",
"File without a geometry library",
"There isn't mesh in file",
"The meshes in file haven't the vertex position attribute",
"The importer assumes that the OpenMeshType uses a 3D point for the vertex position"
};
if(error>5 || error<0) return "Unknown error";
else return dae_error_msg[error];
};
static int Open(OpenMeshType& m,const char* filename)
{
assert(filename!=0);
FCDocument* doc = new FCDocument();
FUStatus st = doc->LoadFromFile(FUStringConversion::ToFString(filename));
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if (st.IsFailure())
{
delete doc;
doc = NULL;
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return E_CANTOPEN;
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}
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FCDGeometryLibrary* geolib = doc->GetGeometryLibrary();
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if (geolib->IsEmpty())
{
delete doc;
return E_NOGEOMETRYLIBRARY;
}
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size_t n = geolib->GetEntityCount();
std::vector<FCDGeometryMesh*> geomsh(n);
//for any mesh in the collada file
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for(unsigned int ii = 0;ii < geomsh.size();++ii)
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{
if (!geolib->GetEntity(ii)->IsMesh())
{
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delete doc;
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return E_NOMESH;
}
else
{
geomsh[ii] = geolib->GetEntity(ii)->GetMesh();
unsigned int offset = m.vert.size();
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if (geomsh[ii]->GetFaceCount() > 0)
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{
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geomsh[ii]->Triangulate();
/*std::vector< std::vector<OpenMeshType::VertexType> > vt(m.face.size());
for(std::vector< std::vector<OpenMeshType::VertexType> >::iterator
HGRD<OpenMeshType::VertexType>::Triangulate(*/
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//geomsh[ii]->Get
size_t dim = geomsh[ii]->GetFaceVertexCount() / geomsh[ii]->GetFaceCount();
assert(dim == 3);
//MyMesh* msh = new MyMesh();
//size_t nattr = geomsh[ii]->GetSourceCount();
//FCDGeometrySourceList& srclst = geomsh[ii]->GetVertexSources();
FCDGeometrySource* src;
if ((src = geomsh[ii]->GetPositionSource()) != NULL)
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{
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FloatList& flst = src->GetSourceData();
unsigned int str = src->GetSourceStride();
assert(flst.size() % str == 0);
for(unsigned int cont = 0;cont < flst.size();cont += str)
{
typename OpenMeshType::VertexIterator vi=vcg::tri::Allocator<OpenMeshType>::AddVertices(m,1);
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vi->P()= vcg::Point3f(flst[cont],flst[cont + 1],flst[cont + 2]);
vi->N() = vcg::Point3f(0.0,0.0,0.0);
}
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}
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else
{
delete doc;
return E_NOVERTEXPOSITION;
}
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//a single mesh may be composed by a variable numbers of polygons' subsets
size_t pol = geomsh[ii]->GetPolygonsCount();
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//for any polygons' subset in a single mesh
for(unsigned int pset = 0; pset < pol;++pset)
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{
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FCDGeometryMesh* tmp = geomsh[ii];
FCDGeometryPolygonsInput* pos = tmp->GetPolygons(pset)->FindInput(FUDaeGeometryInput::POSITION);
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if ((pos == NULL) || (pos->source->GetSourceStride() != 3))
{
delete doc;
return E_NO3DVERTEXPOSITION;
}
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//unsigned int hi = pos->indices[1];
FCDGeometryPolygonsInput* norm = tmp->GetPolygons(pset)->FindInput(FUDaeGeometryInput::NORMAL);
//unsigned int li = norm->indices[1];
FCDGeometryPolygonsInput* text = tmp->GetPolygons(pset)->FindInput(FUDaeGeometryInput::TEXCOORD);
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bool isvalidwnorm = (m.HasPerWedgeNormal()) && (norm != NULL) && (norm->GetSource()->GetSourceStride() == 3);
bool isvalidnorm = (m.HasPerVertexNormal()) && (norm != NULL) && (norm->GetSource()->GetSourceStride() == 3);
bool isvalidtext = (HasPerWedgeTexture(m)) && (text != NULL) && (text->GetSource()->GetSourceStride() == 2);
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FCDGeometryPolygonsInputList normlist;
tmp->GetPolygons(pset)->FindInputs(FUDaeGeometryInput::NORMAL,normlist);
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FCDGeometryPolygonsInputList tet;
tmp->GetPolygons(pset)->FindInputs(FUDaeGeometryInput::TEXCOORD,tet);
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for(unsigned int ind = 0;ind < pos->indices.size();++ind)
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{
typename OpenMeshType::FaceIterator fi=vcg::tri::Allocator<OpenMeshType>::AddFaces(m,1);
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assert(pos->indices[ind] < m.vert.size());
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fi->V(0) = &m.vert[offset + pos->indices[ind]];
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size_t dimn = norm->indices.size();
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if (isvalidnorm)
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{
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//assert(norm->indices[ind] * 3 < norm->source->GetSourceData().size());
UInt32List* ls = tmp->GetPolygons(pset)->FindIndices(normlist[0]);
//fi->V(0)->N() += vcg::Point3f(norm->source->GetSourceData()[norm->indices[ind] * 3],norm->source->GetSourceData()[norm->indices[ind] * 3 + 1],norm->source->GetSourceData()[norm->indices[ind] * 3 + 2]).Normalize();
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fi->V(0)->N() += vcg::Point3f(normlist[0]->GetSource()->GetSourceData()[(*ls)[ind] * 2],normlist[0]->GetSource()->GetSourceData()[(*ls)[ind] * 2 + 1],normlist[0]->GetSource()->GetSourceData()[(*ls)[ind] * 2 + 2]);
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//++fi->V(0)->incidentfaces;
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}
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if (isvalidtext)
{
for(unsigned int hh = 0; hh < tet.size();++hh)
{
//NON CAMBIARE!!!!E' L'unico modo in cui restituisce gli indici corretti quando c'e' piu' di un insieme con la stessa semantica!!
UInt32List* ls = tmp->GetPolygons(pset)->FindIndices(tet[hh]);
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fi->WT(0).t(hh) = vcg::Point2f(tet[hh]->GetSource()->GetSourceData()[(*ls)[ind] * 2],tet[hh]->GetSource()->GetSourceData()[(*ls)[ind] * 2 + 1]);
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}
}
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if (isvalidwnorm)
{
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fi->WN(0) = vcg::Point3f(norm->GetSource()->GetSourceData()[norm->indices[ind] * 3],norm->GetSource()->GetSourceData()[norm->indices[ind] * 3 + 1],norm->GetSource()->GetSourceData()[norm->indices[ind] * 3 + 2]).Normalize();
fi->WN(1) = vcg::Point3f(norm->GetSource()->GetSourceData()[norm->indices[ind + 1] * 3],norm->GetSource()->GetSourceData()[norm->indices[ind + 1] * 3 + 1],norm->GetSource()->GetSourceData()[norm->indices[ind + 1] * 3 + 2]).Normalize();
fi->WN(2) = vcg::Point3f(norm->GetSource()->GetSourceData()[norm->indices[ind + 2] * 3],norm->GetSource()->GetSourceData()[norm->indices[ind + 2] * 3 + 1],norm->GetSource()->GetSourceData()[norm->indices[ind + 2] * 3 + 2]).Normalize();
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}
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++ind;
assert(pos->indices[ind] < m.vert.size());
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fi->V(1) = &m.vert[offset + pos->indices[ind]];
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if (isvalidnorm)
{
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//assert(norm->indices[ind] * 3 < norm->source->GetSourceData().size());
//fi->V(1)->N() += vcg::Point3f(norm->source->GetSourceData()[norm->indices[ind] * 3],norm->source->GetSourceData()[norm->indices[ind] * 3 + 1],norm->source->GetSourceData()[norm->indices[ind] * 3 + 2]).Normalize();
UInt32List* ls = tmp->GetPolygons(pset)->FindIndices(normlist[0]);
//fi->V(0)->N() += vcg::Point3f(norm->source->GetSourceData()[norm->indices[ind] * 3],norm->source->GetSourceData()[norm->indices[ind] * 3 + 1],norm->source->GetSourceData()[norm->indices[ind] * 3 + 2]).Normalize();
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fi->V(1)->N() += vcg::Point3f(normlist[0]->GetSource()->GetSourceData()[(*ls)[ind] * 2],normlist[0]->GetSource()->GetSourceData()[(*ls)[ind] * 2 + 1],normlist[0]->GetSource()->GetSourceData()[(*ls)[ind] * 2 + 2]);
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//++fi->V(1)->incidentfaces;
}
if (isvalidtext)
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{
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for(unsigned int hh = 0; hh < tet.size();++hh)
{
UInt32List* ls = tmp->GetPolygons(pset)->FindIndices(tet[hh]);
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fi->WT(1).t(hh) = vcg::Point2f(tet[hh]->GetSource()->GetSourceData()[(*ls)[ind] * 2],tet[hh]->GetSource()->GetSourceData()[(*ls)[ind] * 2 + 1]);
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}
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}
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++ind;
assert(pos->indices[ind] < m.vert.size());
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fi->V(2) = &m.vert[offset + pos->indices[ind]];
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if (isvalidnorm)
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{
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//assert(norm->indices[ind] * 3 < norm->source->GetSourceData().size());
//fi->V(2)->N() += vcg::Point3f(norm->source->GetSourceData()[norm->indices[ind] * 3],norm->source->GetSourceData()[norm->indices[ind] * 3 + 1],norm->source->GetSourceData()[norm->indices[ind] * 3 + 2]).Normalize();
UInt32List* ls = tmp->GetPolygons(pset)->FindIndices(normlist[0]);
//fi->V(0)->N() += vcg::Point3f(norm->source->GetSourceData()[norm->indices[ind] * 3],norm->source->GetSourceData()[norm->indices[ind] * 3 + 1],norm->source->GetSourceData()[norm->indices[ind] * 3 + 2]).Normalize();
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fi->V(2)->N() += vcg::Point3f(normlist[0]->GetSource()->GetSourceData()[(*ls)[ind] * 2],normlist[0]->GetSource()->GetSourceData()[(*ls)[ind] * 2 + 1],normlist[0]->GetSource()->GetSourceData()[(*ls)[ind] * 2 + 2]);
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//++fi->V(2)->incidentfaces;
}
if (isvalidtext)
{
for(unsigned int hh = 0; hh < tet.size();++hh)
{
UInt32List* ls = tmp->GetPolygons(pset)->FindIndices(tet[hh]);
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fi->WT(2).t(hh) = vcg::Point2f(tet[hh]->GetSource()->GetSourceData()[(*ls)[ind] * 2],tet[hh]->GetSource()->GetSourceData()[(*ls)[ind] * 2 + 1]);
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}
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}
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if (isvalidnorm) fi->N() = ((fi->V(1)->P() - fi->V(0)->P()) ^ (fi->V(2)->P() - fi->V(0)->P())).Normalize();
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/*FCDGeometryPolygonsInput* posa = tmp->GetPolygons(pset)->FindInput(FUDaeGeometryInput::POSITION);
FloatList& list = posa->source->GetSourceData();
int dim = list.size();
list[0] = -100.0;*/
}
//vm.push_back(msh);
if (isvalidnorm)
{
vcg::tri::UpdateNormals<OpenMeshType>::PerVertexNormalized(m);
/*for(MyMesh::VertexIterator vit = msh->vert.begin(); vit != msh->vert.end();++vit)
vit->N() = (vit->N() / vit->incidentfaces).Normalize();*/
}
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}
}
}
}
//doc->WriteToFile("PincoPalla.dae");
delete doc;
return E_NOERROR;
}
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/*this open function should be used when you want to maintain the Collada's XML tree. If the file will correctly opened
doc argument in the function's signiture will contain the pointer to XML tree otherwise a NULL pointer*/
static int Open(OpenMeshType& m,const char* filename,FCDocument** doc)
{
(*doc) = new FCDocument();
FUStatus st = (*doc)->LoadFromFile(FUStringConversion::ToFString(filename));
if (st.IsFailure())
{
delete *doc;
*doc = NULL;
return E_CANTOPEN;
}
FCDGeometryLibrary* geolib = (*doc)->GetGeometryLibrary();
if (geolib->IsEmpty()) return E_NOGEOMETRYLIBRARY;
size_t n = geolib->GetEntityCount();
std::vector<FCDGeometryMesh*> geomsh(n);
//for any mesh in the collada file
for(unsigned int ii = 0;ii < geomsh.size();++ii)
{
if (!geolib->GetEntity(ii)->IsMesh())
{
delete *doc;
*doc = NULL;
return E_NOMESH;
}
else
{
geomsh[ii] = geolib->GetEntity(ii)->GetMesh();
unsigned int offset = m.vert.size();
if (geomsh[ii]->GetFaceCount() > 0)
{
geomsh[ii]->Triangulate();
size_t dim = geomsh[ii]->GetFaceVertexCount() / geomsh[ii]->GetFaceCount();
assert(dim == 3);
//MyMesh* msh = new MyMesh();
//size_t nattr = geomsh[ii]->GetSourceCount();
//FCDGeometrySourceList& srclst = geomsh[ii]->GetVertexSources();
FCDGeometrySource* src;
if ((src = geomsh[ii]->GetPositionSource()) != NULL)
{
FloatList& flst = src->GetSourceData();
unsigned int str = src->GetSourceStride();
assert(flst.size() % str == 0);
for(unsigned int cont = 0;cont < flst.size();cont += str)
{
OpenMeshType::VertexIterator vi=vcg::tri::Allocator<OpenMeshType>::AddVertices(m,1);
vi->P()= vcg::Point3f(flst[cont],flst[cont + 1],flst[cont + 2]);
vi->N() = vcg::Point3f(0.0,0.0,0.0);
}
}
else
{
delete *doc;
*doc = NULL;
return E_NOVERTEXPOSITION;
}
//a single mesh may be composed by a variable numbers of polygons' subsets
size_t pol = geomsh[ii]->GetPolygonsCount();
//unsigned int offset = m.vert.size();
//for any polygons' subset in a single mesh
for(unsigned int pset = 0; pset < pol;++pset)
{
FCDGeometryMesh* tmp = geomsh[ii];
FCDGeometryPolygonsInput* pos = tmp->GetPolygons(pset)->FindInput(FUDaeGeometryInput::POSITION);
if ((pos == NULL) || (pos->GetSource()->GetSourceStride() != 3))
{
delete *doc;
*doc = NULL;
return E_NO3DVERTEXPOSITION;
}
//unsigned int hi = pos->indices[1];
FCDGeometryPolygonsInput* norm = tmp->GetPolygons(pset)->FindInput(FUDaeGeometryInput::NORMAL);
//unsigned int li = norm->indices[1];
FCDGeometryPolygonsInput* text = tmp->GetPolygons(pset)->FindInput(FUDaeGeometryInput::TEXCOORD);
bool isvalidwnorm = (m.HasPerWedgeNormal()) && (norm != NULL) && (norm->GetSource()->GetSourceStride() == 3);
bool isvalidnorm = (m.HasPerVertexNormal()) && (norm != NULL) && (norm->GetSource()->GetSourceStride() == 3);
bool isvalidtext = (HasPerWedgeTexture(m)) && (text != NULL) && (text->GetSource()->GetSourceStride() == 2);
FCDGeometryPolygonsInputList normlist;
tmp->GetPolygons(pset)->FindInputs(FUDaeGeometryInput::NORMAL,normlist);
FCDGeometryPolygonsInputList tet;
tmp->GetPolygons(pset)->FindInputs(FUDaeGeometryInput::TEXCOORD,tet);
for(unsigned int ind = 0;ind < pos->indices.size();++ind)
{
OpenMeshType::FaceIterator fi=vcg::tri::Allocator<OpenMeshType>::AddFaces(m,1);
assert(offset + pos->indices[ind] < m.vert.size());
fi->V(0) = &m.vert[offset + pos->indices[ind]];
//size_t dimn = norm->indices.size();
if (isvalidnorm)
{
//assert(norm->indices[ind] * 3 < norm->source->GetSourceData().size());
UInt32List* ls = tmp->GetPolygons(pset)->FindIndices(normlist[0]);
//fi->V(0)->N() += vcg::Point3f(norm->source->GetSourceData()[norm->indices[ind] * 3],norm->source->GetSourceData()[norm->indices[ind] * 3 + 1],norm->source->GetSourceData()[norm->indices[ind] * 3 + 2]).Normalize();
fi->V(0)->N() += vcg::Point3f(normlist[0]->GetSource()->GetSourceData()[(*ls)[ind] * 2],normlist[0]->GetSource()->GetSourceData()[(*ls)[ind] * 2 + 1],normlist[0]->GetSource()->GetSourceData()[(*ls)[ind] * 2 + 2]);
//++fi->V(0)->incidentfaces;
}
if (isvalidtext)
{
for(unsigned int hh = 0; hh < tet.size();++hh)
{
//NON CAMBIARE!!!!E' L'unico modo in cui restituisce gli indici corretti quando c'e' piu' di un insieme con la stessa semantica!!
UInt32List* ls = tmp->GetPolygons(pset)->FindIndices(tet[hh]);
fi->WT(0).t(hh) = vcg::Point2f(tet[hh]->GetSource()->GetSourceData()[(*ls)[ind] * 2],tet[hh]->GetSource()->GetSourceData()[(*ls)[ind] * 2 + 1]);
}
}
if (isvalidwnorm)
{
fi->WN(0) = vcg::Point3f(norm->GetSource()->GetSourceData()[norm->indices[ind] * 3],norm->GetSource()->GetSourceData()[norm->indices[ind] * 3 + 1],norm->GetSource()->GetSourceData()[norm->indices[ind] * 3 + 2]).Normalize();
fi->WN(1) = vcg::Point3f(norm->GetSource()->GetSourceData()[norm->indices[ind + 1] * 3],norm->GetSource()->GetSourceData()[norm->indices[ind + 1] * 3 + 1],norm->GetSource()->GetSourceData()[norm->indices[ind + 1] * 3 + 2]).Normalize();
fi->WN(2) = vcg::Point3f(norm->GetSource()->GetSourceData()[norm->indices[ind + 2] * 3],norm->GetSource()->GetSourceData()[norm->indices[ind + 2] * 3 + 1],norm->GetSource()->GetSourceData()[norm->indices[ind + 2] * 3 + 2]).Normalize();
}
++ind;
assert(offset + pos->indices[ind] < m.vert.size());
fi->V(1) = &m.vert[offset + pos->indices[ind]];
if (isvalidnorm)
{
//assert(norm->indices[ind] * 3 < norm->source->GetSourceData().size());
//fi->V(1)->N() += vcg::Point3f(norm->source->GetSourceData()[norm->indices[ind] * 3],norm->source->GetSourceData()[norm->indices[ind] * 3 + 1],norm->source->GetSourceData()[norm->indices[ind] * 3 + 2]).Normalize();
UInt32List* ls = tmp->GetPolygons(pset)->FindIndices(normlist[0]);
//fi->V(0)->N() += vcg::Point3f(norm->source->GetSourceData()[norm->indices[ind] * 3],norm->source->GetSourceData()[norm->indices[ind] * 3 + 1],norm->source->GetSourceData()[norm->indices[ind] * 3 + 2]).Normalize();
fi->V(1)->N() += vcg::Point3f(normlist[0]->GetSource()->GetSourceData()[(*ls)[ind] * 2],normlist[0]->GetSource()->GetSourceData()[(*ls)[ind] * 2 + 1],normlist[0]->GetSource()->GetSourceData()[(*ls)[ind] * 2 + 2]);
//++fi->V(1)->incidentfaces;
}
if (isvalidtext)
{
for(unsigned int hh = 0; hh < tet.size();++hh)
{
UInt32List* ls = tmp->GetPolygons(pset)->FindIndices(tet[hh]);
fi->WT(1).t(hh) = vcg::Point2f(tet[hh]->GetSource()->GetSourceData()[(*ls)[ind] * 2],tet[hh]->GetSource()->GetSourceData()[(*ls)[ind] * 2 + 1]);
}
}
++ind;
assert(offset + pos->indices[ind] < m.vert.size());
fi->V(2) = &m.vert[offset + pos->indices[ind]];
if (isvalidnorm)
{
//assert(norm->indices[ind] * 3 < norm->source->GetSourceData().size());
//fi->V(2)->N() += vcg::Point3f(norm->source->GetSourceData()[norm->indices[ind] * 3],norm->source->GetSourceData()[norm->indices[ind] * 3 + 1],norm->source->GetSourceData()[norm->indices[ind] * 3 + 2]).Normalize();
UInt32List* ls = tmp->GetPolygons(pset)->FindIndices(normlist[0]);
//fi->V(0)->N() += vcg::Point3f(norm->source->GetSourceData()[norm->indices[ind] * 3],norm->source->GetSourceData()[norm->indices[ind] * 3 + 1],norm->source->GetSourceData()[norm->indices[ind] * 3 + 2]).Normalize();
fi->V(2)->N() += vcg::Point3f(normlist[0]->GetSource()->GetSourceData()[(*ls)[ind] * 2],normlist[0]->GetSource()->GetSourceData()[(*ls)[ind] * 2 + 1],normlist[0]->GetSource()->GetSourceData()[(*ls)[ind] * 2 + 2]);
//++fi->V(2)->incidentfaces;
}
if (isvalidtext)
{
for(unsigned int hh = 0; hh < tet.size();++hh)
{
UInt32List* ls = tmp->GetPolygons(pset)->FindIndices(tet[hh]);
fi->WT(2).t(hh) = vcg::Point2f(tet[hh]->GetSource()->GetSourceData()[(*ls)[ind] * 2],tet[hh]->GetSource()->GetSourceData()[(*ls)[ind] * 2 + 1]);
}
}
if (isvalidnorm) fi->N() = ((fi->V(1)->P() - fi->V(0)->P()) ^ (fi->V(2)->P() - fi->V(0)->P())).Normalize();
/*FCDGeometryPolygonsInput* posa = tmp->GetPolygons(pset)->FindInput(FUDaeGeometryInput::POSITION);
FloatList& list = posa->source->GetSourceData();
int dim = list.size();
list[0] = -100.0;*/
}
//vm.push_back(msh);
if (isvalidnorm)
{
vcg::tri::UpdateNormals<OpenMeshType>::PerVertexNormalized(m);
/*for(MyMesh::VertexIterator vit = msh->vert.begin(); vit != msh->vert.end();++vit)
vit->N() = (vit->N() / vit->incidentfaces).Normalize();*/
}
}
}
}
}
//doc->WriteToFile("PincoPalla.dae");
return E_NOERROR;
}
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};
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}
}
}
#endif