vcglib/wrap/io_trimesh/import_dae.h

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#ifndef __VCGLIB_IMPORTERDAE
#define __VCGLIB_IMPORTERDAE
//importer for collada's files
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#include<wrap/io_trimesh/util_dae.h>
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namespace vcg {
namespace tri {
namespace io {
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template<typename OpenMeshType>
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class ImporterDAE : public UtilDAE
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{
private:
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static int WedgeNormalAttribute(OpenMeshType& m,const QStringList face,const QStringList wn,const QDomNode wnsrc,const int meshfaceind,const int faceind,const int component)
{
int indnm = -1;
if (!wnsrc.isNull())
{
indnm = face.at(faceind).toInt();
assert(indnm * 3 < wn.size());
m.face[meshfaceind].WN(component) = vcg::Point3f(wn.at(indnm * 3).toFloat(),wn.at(indnm * 3 + 1).toFloat(),wn.at(indnm * 3 + 2).toFloat());
}
return indnm;
}
static int WedgeTextureAttribute(OpenMeshType& m,const QStringList face,int ind_txt,const QStringList wt,const QDomNode wtsrc,const int meshfaceind,const int faceind,const int component)
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{
int indtx = -1;
if (!wtsrc.isNull())
{
indtx = face.at(faceind).toInt();
assert(indtx * 2 < wt.size());
m.face[meshfaceind].WT(component) = vcg::TexCoord2<float>();
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m.face[meshfaceind].WT(component).U() = wt.at(indtx * 2).toFloat();
m.face[meshfaceind].WT(component).V() = wt.at(indtx * 2 + 1).toFloat();
m.face[meshfaceind].WT(component).N() = ind_txt;
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}
return indtx;
}
static int WedgeColorAttribute(OpenMeshType& m,const QStringList face,const QStringList wc,const QDomNode wcsrc,const int meshfaceind,const int faceind,const int component)
{
int indcl;
if (!wcsrc.isNull())
{
indcl = face.at(faceind).toInt();
assert(indcl * 4 < wc.size());
m.face[meshfaceind].WC(component) = vcg::Color4b(wc.at(indcl * 4).toFloat(),wc.at(indcl * 4 + 1).toFloat(),wc.at(indcl * 4 + 2).toFloat(),wc.at(indcl * 4 + 3).toFloat());
}
return indcl;
}
static void FindStandardWedgeAttributes(WedgeAttribute& wed,const QDomNode nd,const QDomDocument doc)
{
wed.wnsrc = findNodeBySpecificAttributeValue(nd,"input","semantic","NORMAL");
wed.offnm = findStringListAttribute(wed.wn,wed.wnsrc,nd,doc,"NORMAL");
wed.wtsrc = findNodeBySpecificAttributeValue(nd,"input","semantic","TEXCOORD");
wed.offtx = findStringListAttribute(wed.wt,wed.wtsrc,nd,doc,"TEXCOORD");
wed.wcsrc = findNodeBySpecificAttributeValue(nd,"input","semantic","COLOR");
wed.offcl = findStringListAttribute(wed.wc,wed.wcsrc,nd,doc,"COLOR");
}
static DAEError LoadPolygonalMesh(QDomNodeList& polypatch,OpenMeshType& m,const size_t offset,AdditionalInfoDAE* info)
{
return E_NOERROR;
}
static DAEError LoadPolygonalListMesh(QDomNodeList& polylist,OpenMeshType& m,const size_t offset,AdditionalInfoDAE* info)
{
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typedef PolygonalMesh< MyPolygon<typename OpenMeshType::VertexType> > PolyMesh;
PolyMesh pm;
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for(typename OpenMeshType::VertexIterator itv = m.vert.begin();itv != m.vert.end();++itv)
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{
vcg::Point3f p(itv->P().X(),itv->P().Y(),itv->P().Z());
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typename PolyMesh::VertexType v;
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v.P() = p;
pm.vert.push_back(v);
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}
int polylist_size = polylist.size();
for(int pl = 0; pl < polylist_size;++pl)
{
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typename PolyMesh::PERWEDGEATTRIBUTETYPE att = PolyMesh::NONE;
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WedgeAttribute wa;
FindStandardWedgeAttributes(wa,polylist.at(pl),*(info->dae->doc));
QStringList vertcount;
valueStringList(vertcount,polylist.at(pl),"vcount");
int indforpol = findOffSetForASingleSimplex(polylist.at(pl));
int offpols = 0;
int npolig = vertcount.size();
QStringList polyind;
valueStringList(polyind,polylist.at(pl),"p");
for(unsigned int ii = 0;ii < npolig;++ii)
{
int nvert = vertcount.at(ii).toInt();
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typename PolyMesh::FaceType p(nvert);
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for(unsigned int iv = 0;iv < nvert;++iv)
{
int index = offset + polyind.at(offpols + iv * indforpol).toInt();
p._pv[iv] = &(pm.vert[index]);
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int nmindex = -1;
if (!wa.wnsrc.isNull())
{
nmindex = offset + polyind.at(offpols + iv * indforpol + wa.offnm).toInt();
}
int txindex = -1;
if (!wa.wtsrc.isNull())
{
txindex = offset + polyind.at(offpols + iv * indforpol + wa.offtx).toInt();
}
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}
pm._pols.push_back(p);
offpols += nvert * indforpol;
}
}
pm.triangulate(m);
return E_NOERROR;
}
static DAEError LoadTriangularMesh(QDomNodeList& tripatch,OpenMeshType& m,const size_t offset,AdditionalInfoDAE* info)
{
int tripatch_size = tripatch.size();
for(int tript = 0; tript < tripatch_size;++tript)
{
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QString mat = tripatch.at(tript).toElement().attribute(QString("material"));
QDomNode txt_node = textureFinder(mat,*(info->dae->doc));
int ind_txt = -1;
if (!txt_node.isNull())
ind_txt = indexTextureByImgNode(*(info->dae->doc),txt_node);
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int nfcatt = tripatch.at(tript).toElement().elementsByTagName("input").size();
QStringList face;
valueStringList(face,tripatch.at(tript),"p");
int face_size = face.size();
int offsetface = (int)m.face.size();
if (face_size == 0) return E_NOMESH;
vcg::tri::Allocator<OpenMeshType>::AddFaces(m,face_size / (nfcatt * 3));
WedgeAttribute wa;
FindStandardWedgeAttributes(wa,tripatch.at(tript),*(info->dae->doc));
int jj = 0;
//int dd = m.face.size();
for(int ff = offsetface;ff < (int) m.face.size();++ff)
{
for(unsigned int tt = 0;tt < 3;++tt)
{
int indvt = face.at(jj).toInt();
assert(indvt + offset < m.vert.size());
m.face[ff].V(tt) = &(m.vert[indvt + offset]);
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int indnm = WedgeNormalAttribute(m,face,wa.wn,wa.wnsrc,ff,jj + wa.offnm,tt);
if (ind_txt != -1)
int indtx = WedgeTextureAttribute(m,face,ind_txt,wa.wt,wa.wtsrc,ff,jj + wa.offtx,tt);
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int indcl = WedgeColorAttribute(m,face,wa.wc,wa.wcsrc,ff,jj + wa.offcl,tt);
jj += nfcatt;
}
}
}
return E_NOERROR;
}
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static int LoadMesh(OpenMeshType& m,AdditionalInfoDAE* info,const QDomNode& geo,const vcg::Matrix44f& t, CallBackPos *cb=0)
{
if (isThereTag(geo,"mesh"))
{
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if ((cb !=NULL) && (((info->numvert + info->numface)%100)==0) && !(*cb)((100*(info->numvert + info->numface))/(info->numvert + info->numface), "Vertex Loading"))
return E_CANTOPEN;
/*QDomNodeList geosrc = geo.toElement().elementsByTagName("source");
int geosrc_size = geosrc.size();
if (geosrc_size < 1)
return E_NOVERTEXPOSITION;*/
QDomNodeList vertices = geo.toElement().elementsByTagName("vertices");
int vertices_size = vertices.size();
if (vertices_size != 1)
return E_INCOMPATIBLECOLLADA141FORMAT;
QDomNode srcnode = attributeSourcePerSimplex(vertices.at(0),*(info->dae->doc),"POSITION");
if (srcnode.isNull())
return E_NOVERTEXPOSITION;
QStringList geosrcposarr;
valueStringList(geosrcposarr,srcnode,"float_array");
int geosrcposarr_size = geosrcposarr.size();
if ((geosrcposarr_size % 3) != 0)
return E_CANTOPEN;
int nvert = geosrcposarr_size / 3;
size_t offset = m.vert.size();
if (geosrcposarr_size != 0)
{
vcg::tri::Allocator<OpenMeshType>::AddVertices(m,nvert);
QDomNode srcnodenorm = attributeSourcePerSimplex(vertices.at(0),*(info->dae->doc),"NORMAL");
QStringList geosrcvertnorm;
if (!srcnodenorm.isNull())
valueStringList(geosrcvertnorm,srcnodenorm,"float_array");
QDomNode srcnodetext = attributeSourcePerSimplex(vertices.at(0),*(info->dae->doc),"TEXCOORD");
QStringList geosrcverttext;
if (!srcnodetext.isNull())
valueStringList(geosrcverttext,srcnodetext,"float_array");
QDomNode srcnodecolor = attributeSourcePerSimplex(vertices.at(0),*(info->dae->doc),"COLOR");
QStringList geosrcvertcol;
if (!srcnodecolor.isNull())
valueStringList(geosrcvertcol,srcnodecolor,"float_array");
int ii = 0;
for(size_t vv = offset;vv < m.vert.size();++vv)
{
assert((ii * 3 < geosrcposarr_size) && (ii * 3 + 1 < geosrcposarr_size) && (ii * 3 + 2 < geosrcposarr_size));
vcg::Point4f tmp = t * vcg::Point4f(geosrcposarr[ii * 3].toFloat(),geosrcposarr[ii * 3 + 1].toFloat(),geosrcposarr[ii * 3 + 2].toFloat(),1.0f);
m.vert[vv].P() = vcg::Point3f(tmp.X(),tmp.Y(),tmp.Z());
if (!srcnodenorm.isNull())
{
assert((ii * 3 < geosrcvertnorm.size()) && (ii * 3 + 1 < geosrcvertnorm.size()) && (ii * 3 + 2 < geosrcvertnorm.size()));
vcg::Matrix44f intr44 = vcg::Inverse(t);
vcg::Transpose(intr44);
Matrix33f intr33;
for(unsigned int rr = 0; rr < 2; ++rr)
{
for(unsigned int cc = 0;cc < 2;++cc)
intr33[rr][cc] = intr44[rr][cc];
}
m.vert[vv].N() = (intr33 * vcg::Point3f(geosrcvertnorm[ii * 3].toFloat(),geosrcvertnorm[ii * 3 + 1].toFloat(),geosrcvertnorm[ii * 3 + 2].toFloat())).Normalize();
}
/*if (!srcnodecolor.isNull())
{
assert((ii * 4 < geosrcvertcol.size()) && (ii * 4 + 1 < geosrcvertcol.size()) && (ii * 4 + 2 < geosrcvertcol.size()) && (ii * 4 + 1 < geosrcvertcol.size()));
m.vert[vv].C() = vcg::Color4b(geosrcvertcol[ii * 4].toFloat(),geosrcvertcol[ii * 4 + 1].toFloat(),geosrcvertcol[ii * 4 + 2].toFloat(),geosrcvertcol[ii * 4 + 3].toFloat());
}*/
if (!srcnodetext.isNull())
{
assert((ii * 2 < geosrcverttext.size()) && (ii * 2 + 1 < geosrcverttext.size()));
m.vert[vv].T() = vcg::TexCoord2<float>();
m.vert[vv].T().u() = geosrcverttext[ii * 2].toFloat();
m.vert[vv].T().v() = geosrcverttext[ii * 2 + 1].toFloat();
}
++ii;
}
QDomNodeList tripatch = geo.toElement().elementsByTagName("triangles");
int tripatch_size = tripatch.size();
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QDomNodeList polypatch = geo.toElement().elementsByTagName("polygons");
int polypatch_size = polypatch.size();
QDomNodeList polylist = geo.toElement().elementsByTagName("polylist");
int polylist_size = polylist.size();
if ((tripatch_size == 0) && (polypatch_size == 0) && (polylist_size == 0))
return E_NOPOLYGONALMESH;
DAEError err = E_NOERROR;
if (tripatch_size != 0) err = LoadTriangularMesh(tripatch,m,offset,info);
else
if (polypatch_size != 0) err = LoadPolygonalMesh(polypatch,m,offset,info);
else
if (polylist_size != 0) err = LoadPolygonalListMesh(polylist,m,offset,info);
if (err != E_NOERROR) return err;
}
return E_NOERROR;
}
else return E_NOMESH;
}
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static void GetTexCoord(const QDomDocument& doc,AdditionalInfoDAE* inf)
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{
QDomNodeList txlst = doc.elementsByTagName("library_images");
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int s = txlst.at(0).childNodes().size();
for(int img = 0;img < txlst.at(0).childNodes().size();++img)
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{
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QDomNodeList nlst = txlst.at(0).childNodes().at(img).toElement().elementsByTagName("init_from");
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if (nlst.size() > 0)
{
inf->texturefile.push_back(nlst.at(0).firstChild().nodeValue());
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}
}
}
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public:
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//merge all meshes in the collada's file in the templeted mesh m
//I assume the mesh
static int Open(OpenMeshType& m,const char* filename,AdditionalInfo*& info, CallBackPos *cb=0)
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{
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AdditionalInfoDAE* inf = new AdditionalInfoDAE();
inf->dae = new InfoDAE();
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QDomDocument* doc = new QDomDocument(filename);
QFile file(filename);
if (!file.open(QIODevice::ReadOnly))
return E_CANTOPEN;
if (!doc->setContent(&file))
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{
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file.close();
return E_CANTOPEN;
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}
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file.close();
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inf->dae->doc = doc;
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//GetTexture(*(info->doc),inf);
QDomNodeList scenes = inf->dae->doc->elementsByTagName("scene");
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int scn_size = scenes.size();
if (scn_size == 0)
return E_NO3DSCENE;
//Is there geometry in the file?
bool geoinst_found = false;
//for each scene in COLLADA FILE
for(int scn = 0;scn < scn_size;++scn)
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{
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QDomNodeList instscenes = scenes.at(scn).toElement().elementsByTagName("instance_visual_scene");
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int instscn_size = instscenes.size();
if (instscn_size == 0)
return E_INCOMPATIBLECOLLADA141FORMAT;
//for each scene instance in a COLLADA scene
for(int instscn = 0;instscn < instscn_size; ++instscn)
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{
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QString libscn_url;
referenceToANodeAttribute(instscenes.at(instscn),"url",libscn_url);
QDomNode nd = QDomNode(*(inf->dae->doc));
QDomNode visscn = findNodeBySpecificAttributeValue(*(inf->dae->doc),"visual_scene","id",libscn_url);
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if(visscn.isNull())
return E_UNREFERENCEBLEDCOLLADAATTRIBUTE;
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//for each node in the libscn_url visual scene
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QDomNodeList visscn_child = visscn.childNodes();
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//for each direct child of a libscn_url visual scene find if there is some geometry instance
int problem = 0;
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for(int chdind = 0; chdind < visscn_child.size();++chdind)
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{
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QDomNodeList geoinst = visscn_child.at(chdind).toElement().elementsByTagName("instance_geometry");
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int geoinst_size = geoinst.size();
if (geoinst_size != 0)
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{
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geoinst_found |= true;
QDomNodeList geolib = inf->dae->doc->elementsByTagName("library_geometries");
assert(geolib.size() == 1);
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//!!!!!!!!!!!!!!!!!here will be the code for geometry transformations!!!!!!!!!!!!!!!!!!!!!!
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for(int geoinst_ind = 0;geoinst_ind < geoinst_size;++geoinst_ind)
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{
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QString geo_url;
referenceToANodeAttribute(geoinst.at(geoinst_ind),"url",geo_url);
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QDomNode geo = findNodeBySpecificAttributeValue(geolib.at(0),"geometry","id",geo_url);
if (geo.isNull())
return E_UNREFERENCEBLEDCOLLADAATTRIBUTE;
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vcg::Matrix44f tr;
tr.SetIdentity();
TransfMatrix(visscn,geoinst.at(geoinst_ind),tr);
problem |= LoadMesh(m,inf,geo,tr);
if (problem) return problem;
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}
}
}
}
}
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if (!geoinst_found)
{
QDomNodeList geolib = inf->dae->doc->elementsByTagName("library_geometries");
assert(geolib.size() == 1);
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QDomNodeList geochild = geolib.at(0).childNodes();
int geochild_size = geochild.size();
int problem = 0;
for(int chd = 0;chd < geochild_size;++chd)
{
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vcg::Matrix44f tmp;
tmp.SetIdentity();
problem |= LoadMesh(m,inf,geochild.at(chd),tmp);
if (problem) return problem;
}
}
info = inf;
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return E_NOERROR;
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}
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static bool LoadMask(const char * filename, AdditionalInfoDAE*& addinfo)
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{
bool bHasPerWedgeTexCoord = false;
bool bHasPerWedgeNormal = false;
bool bHasPerVertexColor = false;
bool bHasPerFaceColor = false;
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bool bHasPerVertexNormal = false;
bool bHasPerVertexText = false;
AdditionalInfoDAE* info = new AdditionalInfoDAE();
info->dae = new InfoDAE();
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QDomDocument* doc = new QDomDocument(filename);
QFile file(filename);
if (!file.open(QIODevice::ReadOnly))
return false;
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if (!doc->setContent(&file))
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{
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file.close();
return false;
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}
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file.close();
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info->dae->doc = doc;
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GetTexCoord(*(info->dae->doc),info);
QDomNodeList scenes = info->dae->doc->elementsByTagName("scene");
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int scn_size = scenes.size();
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//Is there geometry in the file?
bool geoinst_found = false;
//for each scene in COLLADA FILE
for(int scn = 0;scn < scn_size;++scn)
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{
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QDomNodeList instscenes = scenes.at(scn).toElement().elementsByTagName("instance_visual_scene");
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int instscn_size = instscenes.size();
if (instscn_size == 0)
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return false;
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//for each scene instance in a COLLADA scene
for(int instscn = 0;instscn < instscn_size; ++instscn)
{
QString libscn_url;
referenceToANodeAttribute(instscenes.at(instscn),"url",libscn_url);
QDomNode nd = QDomNode(*(info->dae->doc));
QDomNode visscn = findNodeBySpecificAttributeValue(*(info->dae->doc),"visual_scene","id",libscn_url);
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if(visscn.isNull())
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return false;
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//for each node in the libscn_url visual scene
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//QDomNodeList& visscn_child = visscn.childNodes();
QDomNodeList visscn_child = visscn.childNodes();
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//for each direct child of a libscn_url visual scene find if there is some geometry instance
for(int chdind = 0; chdind < visscn_child.size();++chdind)
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{
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//QDomNodeList& geoinst = visscn_child.at(chdind).toElement().elementsByTagName("instance_geometry");
QDomNodeList geoinst = visscn_child.at(chdind).toElement().elementsByTagName("instance_geometry");
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int geoinst_size = geoinst.size();
if (geoinst_size != 0)
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{
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geoinst_found |= true;
QDomNodeList geolib = info->dae->doc->elementsByTagName("library_geometries");
assert(geolib.size() == 1);
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//!!!!!!!!!!!!!!!!!here will be the code for geometry transformations!!!!!!!!!!!!!!!!!!!!!!
info->numvert = 0;
info->numface = 0;
for(int geoinst_ind = 0;geoinst_ind < geoinst_size;++geoinst_ind)
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{
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QString geo_url;
referenceToANodeAttribute(geoinst.at(geoinst_ind),"url",geo_url);
QDomNode geo = findNodeBySpecificAttributeValue(geolib.at(0),"geometry","id",geo_url);
if (geo.isNull())
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return false;
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QDomNodeList vertlist = geo.toElement().elementsByTagName("vertices");
for(int vert = 0;vert < vertlist.size();++vert)
{
QDomNode no;
no = findNodeBySpecificAttributeValue(vertlist.at(vert),"input","semantic","POSITION");
QString srcurl;
referenceToANodeAttribute(no,"source",srcurl);
no = findNodeBySpecificAttributeValue(geo,"source","id",srcurl);
QDomNodeList fa = no.toElement().elementsByTagName("float_array");
assert(fa.size() == 1);
info->numvert += (fa.at(0).toElement().attribute("count").toInt() / 3);
no = findNodeBySpecificAttributeValue(vertlist.at(vert),"input","semantic","COLOR");
if (!no.isNull())
bHasPerVertexColor = true;
no = findNodeBySpecificAttributeValue(vertlist.at(vert),"input","semantic","NORMAL");
if (!no.isNull())
bHasPerVertexNormal = true;
no = findNodeBySpecificAttributeValue(vertlist.at(vert),"input","semantic","TEXCOORD");
if (!no.isNull())
bHasPerVertexText = true;
}
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const char* arr[] = {"triangles","polylist","polygons"};
for(unsigned int tt= 0;tt < 3;++tt)
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{
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QDomNodeList facelist = geo.toElement().elementsByTagName(arr[tt]);
for(int face = 0;face < facelist.size();++face)
{
info->numface += facelist.at(face).toElement().attribute("count").toInt() ;
QDomNode no;
no = findNodeBySpecificAttributeValue(facelist.at(face),"input","semantic","NORMAL");
if (!no.isNull())
bHasPerWedgeNormal = true;
no = findNodeBySpecificAttributeValue(facelist.at(face),"input","semantic","TEXCOORD");
if (!no.isNull())
bHasPerWedgeTexCoord = true;
}
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}
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}
}
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}
}
}
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if (!geoinst_found)
{
QDomNodeList geolib = info->dae->doc->elementsByTagName("library_geometries");
assert(geolib.size() == 1);
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QDomNodeList geochild = geolib.at(0).toElement().elementsByTagName("geometry");
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//!!!!!!!!!!!!!!!!!here will be the code for geometry transformations!!!!!!!!!!!!!!!!!!!!!!
info->numvert = 0;
info->numface = 0;
for(int geoinst_ind = 0;geoinst_ind < geochild.size();++geoinst_ind)
{
QDomNodeList vertlist = geochild.at(geoinst_ind).toElement().elementsByTagName("vertices");
for(int vert = 0;vert < vertlist.size();++vert)
{
QDomNode no;
no = findNodeBySpecificAttributeValue(vertlist.at(vert),"input","semantic","POSITION");
QString srcurl;
referenceToANodeAttribute(no,"source",srcurl);
no = findNodeBySpecificAttributeValue(geochild.at(geoinst_ind),"source","id",srcurl);
QDomNodeList fa = no.toElement().elementsByTagName("float_array");
assert(fa.size() == 1);
info->numvert += (fa.at(0).toElement().attribute("count").toInt() / 3);
no = findNodeBySpecificAttributeValue(vertlist.at(vert),"input","semantic","COLOR");
if (!no.isNull())
bHasPerVertexColor = true;
no = findNodeBySpecificAttributeValue(vertlist.at(vert),"input","semantic","NORMAL");
if (!no.isNull())
bHasPerVertexNormal = true;
no = findNodeBySpecificAttributeValue(vertlist.at(vert),"input","semantic","TEXCOORD");
if (!no.isNull())
bHasPerVertexText = true;
}
QDomNodeList facelist = geochild.at(geoinst_ind).toElement().elementsByTagName("triangles");
for(int face = 0;face < facelist.size();++face)
{
info->numface += facelist.at(face).toElement().attribute("count").toInt() ;
QDomNode no;
no = findNodeBySpecificAttributeValue(facelist.at(face),"input","semantic","NORMAL");
if (!no.isNull())
bHasPerWedgeNormal = true;
no = findNodeBySpecificAttributeValue(facelist.at(face),"input","semantic","TEXCOORD");
if (!no.isNull())
bHasPerWedgeTexCoord = true;
}
}
}
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info->mask = 0;
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if (bHasPerWedgeTexCoord)
info->mask |= vcg::tri::io::Mask::IOM_WEDGTEXCOORD;
if (bHasPerWedgeNormal)
info->mask |= vcg::tri::io::Mask::IOM_WEDGNORMAL;
if (bHasPerVertexColor)
info->mask |= vcg::tri::io::Mask::IOM_VERTCOLOR;
if (bHasPerFaceColor)
info->mask |= vcg::tri::io::Mask::IOM_FACECOLOR;
if (bHasPerVertexNormal)
info->mask |= vcg::tri::io::Mask::IOM_VERTNORMAL;
if (bHasPerVertexText)
info->mask |= vcg::tri::io::Mask::IOM_VERTTEXCOORD;
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delete (info->dae->doc);
info->dae->doc = NULL;
addinfo = info;
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return true;
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}
};
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}
}
}
#endif