587 lines
19 KiB
C++
587 lines
19 KiB
C++
#ifndef __VCGLIB_IMPORTERDAE
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#define __VCGLIB_IMPORTERDAE
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//importer for collada's files
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#include <wrap/io_trimesh/additionalinfo.h>
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#include <vcg/complex/trimesh/update/normal.h>
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#include <vcg/complex/trimesh/allocate.h>
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#include<map>
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#include<QtXml/QDomDocument>
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#include<QtCore/QFile>
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#include <QtCore/QStringList>
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#include<vcg/space/point3.h>
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#include<vcg/space/tcoord2.h>
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#include<vcg/space/color4.h>
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//#include <hgrd/hgrd.h>
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namespace vcg {
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namespace tri {
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namespace io {
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class InfoDAE : public AdditionalInfo
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{
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public:
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InfoDAE()
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{
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mask = 0;
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numvert = 0;
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numface = 0;
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doc = NULL;
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}
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~InfoDAE()
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{
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delete doc;
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texturefile.clear();
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}
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QDomDocument* doc;
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std::vector<std::string> texturefile;
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};
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class AdditionalInfoDAE : public AdditionalInfo
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{
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public:
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vcg::tri::io::InfoDAE* dae;
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AdditionalInfoDAE()
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:AdditionalInfo()
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{
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}
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~AdditionalInfoDAE()
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{
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delete dae;
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}
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};
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template<typename OpenMeshType>
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class ImporterDAE
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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
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//I assume the mesh
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enum DAEError
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{
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E_NOERROR, // 0
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E_CANTOPEN, // 1
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E_NOGEOMETRYLIBRARY, // 2
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E_NOMESH, // 3
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E_NOVERTEXPOSITION, // 4
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E_NO3DVERTEXPOSITION, // 5
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E_NO3DSCENE, // 6
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E_INCOMPATIBLECOLLADA141FORMAT, //7
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E_UNREFERENCEBLEDCOLLADAATTRIBUTE, // 8
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E_NOTRIANGLES
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};
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static const char *ErrorMsg(int error)
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{
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static const char * dae_error_msg[] =
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{
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"No errors",
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"Can't open file",
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"File without a geometry library",
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"There isn't mesh in file",
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"The meshes in file haven't the vertex position attribute",
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"The importer assumes that the OpenMeshType uses a 3D point for the vertex position",
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"There isn't any scene in Collada file",
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"The input file is not compatible with COLLADA 1.41 standard format",
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"Collada file is trying to referece an attribute that is not in the file",
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"This version of Collada Importer support only triangular mesh file"
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};
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if(error>9 || error<0) return "Unknown error";
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else return dae_error_msg[error];
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};
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private:
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inline static void referenceToANodeAttribute(const QDomNode& n,const QString& attr,QString& url_st)
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{
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url_st = n.toElement().attribute(attr);
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int sz = url_st.size() - 1;
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url_st = url_st.right(sz);
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assert(url_st.size() != 0);
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}
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inline static QDomNode findNodeBySpecificAttributeValue(const QDomNode& n,const QString& tag,const QString& attrname,const QString& attrvalue)
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{
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QDomNode ndl = n.toElement();
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return findNodeBySpecificAttributeValue((QDomDocument&) ndl,tag,attrname,attrvalue);
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}
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inline static QDomNode findNodeBySpecificAttributeValue(const QDomDocument& n,const QString& tag,const QString& attrname,const QString& attrvalue)
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{
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QDomNodeList ndl = n.elementsByTagName(tag);
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int ndl_size = ndl.size();
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assert(ndl_size != 0);
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int ind = 0;
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while(ind < ndl_size)
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{
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if (ndl.at(ind).toElement().attribute(attrname) == attrvalue)
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return ndl.at(ind);
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++ind;
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}
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return QDomNode();
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}
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inline static bool isThereTag(const QDomNode& n,const QString& tagname)
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{
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QDomNode ndl = n.toElement();
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return isThereTag((QDomDocument&) n,tagname);
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}
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inline static bool isThereTag(const QDomDocument& n,const QString& tagname)
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{
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return ((n.toElement().elementsByTagName(tagname).size() > 0)? true : false);
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}
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inline static QDomNode attributeSourcePerSimplex(const QDomNode& n,const QDomDocument& startpoint,const QString& sem)
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{
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QDomNodeList vertattr = n.toElement().elementsByTagName("input");
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for(int ind = 0;ind < vertattr.size();++ind)
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{
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if (vertattr.at(ind).toElement().attribute("semantic") == sem)
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{
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QString url;
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referenceToANodeAttribute(vertattr.at(ind),"source",url);
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return findNodeBySpecificAttributeValue(startpoint,"source","id",url);
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}
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}
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return QDomNode();
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}
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inline static void valueStringList(QStringList& res,const QDomNode& srcnode,const QString& tag)
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{
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QDomNodeList list = srcnode.toElement().elementsByTagName(tag);
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int list_size = list.size();
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assert(list_size == 1);
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QString nd = list.at(0).firstChild().nodeValue();
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res = nd.split(" ");
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if (res.last() == "")
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res.removeLast();
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}
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public:
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static int Open(OpenMeshType& m,const char* filename,AdditionalInfo*& addinfo)
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{
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AdditionalInfoDAE* inf = new AdditionalInfoDAE();
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inf->dae = new InfoDAE();
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InfoDAE* info = inf->dae;
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QDomDocument* doc = new QDomDocument(filename);
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QFile file(filename);
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if (!file.open(QIODevice::ReadOnly))
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return E_CANTOPEN;
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if (!doc->setContent(&file))
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{
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file.close();
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return E_CANTOPEN;
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}
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file.close();
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info->doc = doc;
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QDomNodeList& scenes = info->doc->elementsByTagName("scene");
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int scn_size = scenes.size();
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if (scn_size == 0)
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return E_NO3DSCENE;
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//Is there geometry in the file?
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bool geoinst_found = false;
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//for each scene in COLLADA FILE
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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();
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if (instscn_size == 0)
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return E_INCOMPATIBLECOLLADA141FORMAT;
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//for each scene instance in a COLLADA scene
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for(int instscn = 0;instscn < instscn_size; ++instscn)
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{
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QString libscn_url;
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referenceToANodeAttribute(instscenes.at(instscn),"url",libscn_url);
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QDomNode nd = QDomNode(*(info->doc));
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QDomNode visscn = findNodeBySpecificAttributeValue(*(info->doc),"visual_scene","id",libscn_url);
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if(visscn.isNull())
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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
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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();
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if (geoinst_size != 0)
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{
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geoinst_found |= true;
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QDomNodeList& geolib = info->doc->elementsByTagName("library_geometries");
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int geolib_size = geolib.size();
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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;
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referenceToANodeAttribute(geoinst.at(geoinst_ind),"url",geo_url);
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QDomNode geo = findNodeBySpecificAttributeValue(geolib.at(0),"geometry","id",geo_url);
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if (geo.isNull())
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return E_UNREFERENCEBLEDCOLLADAATTRIBUTE;
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if (isThereTag(geo,"mesh"))
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{
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/*QDomNodeList geosrc = geo.toElement().elementsByTagName("source");
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int geosrc_size = geosrc.size();
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if (geosrc_size < 1)
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return E_NOVERTEXPOSITION;*/
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QDomNodeList vertices = geo.toElement().elementsByTagName("vertices");
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int vertices_size = vertices.size();
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if (vertices_size != 1)
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return E_INCOMPATIBLECOLLADA141FORMAT;
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QDomNode srcnode = attributeSourcePerSimplex(vertices.at(0),*(info->doc),"POSITION");
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if (srcnode.isNull())
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return E_NOVERTEXPOSITION;
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QStringList geosrcposarr;
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valueStringList(geosrcposarr,srcnode,"float_array");
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int geosrcposarr_size = geosrcposarr.size();
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if ((geosrcposarr_size % 3) != 0)
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return E_CANTOPEN;
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int nvert = geosrcposarr_size / 3;
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size_t offset = m.vert.size();
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vcg::tri::Allocator<OpenMeshType>::AddVertices(m,nvert);
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QDomNode srcnodenorm = attributeSourcePerSimplex(vertices.at(0),*(info->doc),"NORMAL");
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QStringList geosrcvertnorm;
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if (!srcnodenorm.isNull())
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valueStringList(geosrcvertnorm,srcnodenorm,"float_array");
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QDomNode srcnodetext = attributeSourcePerSimplex(vertices.at(0),*(info->doc),"TEXCOORD");
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QStringList geosrcverttext;
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if (!srcnodetext.isNull())
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valueStringList(geosrcverttext,srcnodetext,"float_array");
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QDomNode srcnodecolor = attributeSourcePerSimplex(vertices.at(0),*(info->doc),"COLOR");
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QStringList geosrcvertcol;
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if (!srcnodecolor.isNull())
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valueStringList(geosrcvertcol,srcnodecolor,"float_array");
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int ii = 0;
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for(size_t vv = offset;vv < m.vert.size();++vv)
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{
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assert((ii * 3 < geosrcposarr_size) && (ii * 3 + 1 < geosrcposarr_size) && (ii * 3 + 2 < geosrcposarr_size));
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m.vert[vv].P() = vcg::Point3f(geosrcposarr[ii * 3].toFloat(),geosrcposarr[ii * 3 + 1].toFloat(),geosrcposarr[ii * 3 + 2].toFloat());
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if (!srcnodenorm.isNull())
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{
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assert((ii * 3 < geosrcvertnorm.size()) && (ii * 3 + 1 < geosrcvertnorm.size()) && (ii * 3 + 2 < geosrcvertnorm.size()));
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m.vert[vv].N() = vcg::Point3f(geosrcvertnorm[ii * 3].toFloat(),geosrcvertnorm[ii * 3 + 1].toFloat(),geosrcvertnorm[ii * 3 + 2].toFloat());
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}
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/*if (!srcnodecolor.isNull())
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{
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assert((ii * 4 < geosrcvertcol.size()) && (ii * 4 + 1 < geosrcvertcol.size()) && (ii * 4 + 2 < geosrcvertcol.size()) && (ii * 4 + 1 < geosrcvertcol.size()));
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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());
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}*/
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if (!srcnodetext.isNull())
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{
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assert((ii * 2 < geosrcverttext.size()) && (ii * 2 + 1 < geosrcverttext.size()));
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m.vert[vv].T() = vcg::TCoord2<float>();
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m.vert[vv].T().u() = geosrcverttext[ii * 2].toFloat();
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m.vert[vv].T().v() = geosrcverttext[ii * 2 + 1].toFloat();
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}
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++ii;
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}
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QDomNodeList tripatch = geo.toElement().elementsByTagName("triangles");
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int tripatch_size = tripatch.size();
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if (tripatch_size == 0)
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return E_NOTRIANGLES;
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for(int tript = 0; tript < tripatch_size;++tript)
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{
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int nfcatt = tripatch.at(tript).toElement().elementsByTagName("input").size();
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QStringList face;
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valueStringList(face,tripatch.at(tript),"p");
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int face_size = face.size();
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int offsetface = (int)m.face.size();
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vcg::tri::Allocator<OpenMeshType>::AddFaces(m,face_size / (nfcatt * 3));
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QDomNode wnsrc = QDomNode();
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QStringList wn;
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wnsrc = findNodeBySpecificAttributeValue(tripatch.at(tript),"input","semantic","NORMAL");
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int offnm;
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if (!wnsrc.isNull())
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{
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offnm = wnsrc.toElement().attribute("offset").toInt();
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QDomNode sn = attributeSourcePerSimplex(tripatch.at(tript),*(info->doc),"NORMAL");
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valueStringList(wn,sn,"float_array");
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}
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QDomNode wtsrc = QDomNode();
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QStringList wt;
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wtsrc = findNodeBySpecificAttributeValue(tripatch.at(tript),"input","semantic","TEXCOORD");
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int offtx;
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if (!wtsrc.isNull())
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{
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offtx = wtsrc.toElement().attribute("offset").toInt();
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QDomNode st = attributeSourcePerSimplex(tripatch.at(tript),*(info->doc),"TEXCOORD");
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valueStringList(wt,st,"float_array");
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}
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QDomNode wcsrc = QDomNode();
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QStringList wc;
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wcsrc = findNodeBySpecificAttributeValue(tripatch.at(tript),"input","semantic","COLOR");
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int offcl;
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if (!wcsrc.isNull())
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{
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offcl = wcsrc.toElement().attribute("offset").toInt();
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QDomNode sc = attributeSourcePerSimplex(tripatch.at(tript),*(info->doc),"COLOR");
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valueStringList(wc,sc,"float_array");
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}
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int jj = 0;
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//int dd = m.face.size();
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for(int ff = offsetface;ff < (int) m.face.size();++ff)
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{
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int indvt = face.at(jj).toInt();
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assert(indvt + offset < m.vert.size());
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m.face[ff].V(0) = &(m.vert[indvt + offset]);
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int indnm;
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if (!wnsrc.isNull())
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{
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indnm = face.at(jj + offnm).toInt();
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assert(indnm * 3 < wn.size());
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m.face[ff].WN(0) = vcg::Point3f(wn.at(indnm * 3).toFloat(),wn.at(indnm * 3 + 1).toFloat(),wn.at(indnm * 3 + 2).toFloat());
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}
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int indtx;
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if (!wtsrc.isNull())
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{
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indtx = face.at(jj + offtx).toInt();
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assert(indtx * 2 < wt.size());
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m.face[ff].WT(0) = vcg::TCoord2<float>();
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m.face[ff].WT(0).u() = wt.at(indtx * 2).toFloat();
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m.face[ff].WT(0).v() = wt.at(indtx * 2 + 1).toFloat();
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}
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/*int indcl;
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if (!wcsrc.isNull())
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{
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indcl = face.at(jj + offcl).toInt();
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assert(indcl * 4 < wc.size());
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m.face[ff].WC(0) = 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());
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}*/
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jj += nfcatt;
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indvt = face.at(jj).toInt();
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assert(indvt + offset < m.vert.size());
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m.face[ff].V(1) = &(m.vert[indvt + offset]);
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if (!wnsrc.isNull())
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{
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indnm = face.at(jj + offnm).toInt();
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assert(indnm * 3 < wn.size());
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m.face[ff].WN(1) = vcg::Point3f(wn.at(indnm * 3).toFloat(),wn.at(indnm * 3 + 1).toFloat(),wn.at(indnm * 3 + 2).toFloat());
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}
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if (!wtsrc.isNull())
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{
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indtx = face.at(jj + offtx).toInt();
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assert(indtx * 2 < wt.size());
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m.face[ff].WT(1) = vcg::TCoord2<float>();
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m.face[ff].WT(1).u() = wt.at(indtx * 2).toFloat();
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m.face[ff].WT(1).v() = wt.at(indtx * 2 + 1).toFloat();
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}
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/*if (!wcsrc.isNull())
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{
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indcl = face.at(jj + offcl).toInt();
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assert(indcl * 4 < wc.size());
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m.face[ff].WC(1) = 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());
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}*/
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jj += nfcatt;
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indvt = face.at(jj).toInt();
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assert(indvt + offset < m.vert.size());
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m.face[ff].V(2) = &(m.vert[indvt + offset]);
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if (!wnsrc.isNull())
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{
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indnm = face.at(jj + offnm).toInt();
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assert(indnm * 3 < wn.size());
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m.face[ff].WN(2) = vcg::Point3f(wn.at(indnm * 3).toFloat(),wn.at(indnm * 3 + 1).toFloat(),wn.at(indnm * 3 + 2).toFloat());
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}
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if (!wtsrc.isNull())
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{
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indtx = face.at(jj + offtx).toInt();
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assert(indtx * 2 < wt.size());
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m.face[ff].WT(2) = vcg::TCoord2<float>();
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m.face[ff].WT(2).u() = wt.at(indtx * 2).toFloat();
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m.face[ff].WT(2).v() = wt.at(indtx * 2 + 1).toFloat();
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}
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/*if (!wcsrc.isNull())
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{
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indcl = face.at(jj + offcl).toInt();
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assert(indcl * 4 < wc.size());
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m.face[ff].WC(2) = 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());
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}*/
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jj += nfcatt;
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}
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}
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}
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}
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}
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}
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|
}
|
|
}
|
|
|
|
if (!geoinst_found)
|
|
return E_NOGEOMETRYLIBRARY;
|
|
return E_NOERROR;
|
|
}
|
|
|
|
static bool LoadMask(const char * filename, AdditionalInfoDAE &addinfo)
|
|
{
|
|
std::ifstream stream(filename);
|
|
if (stream.fail())
|
|
return false;
|
|
|
|
stream.seekg (0, std::ios::end);
|
|
int length = stream.tellg();
|
|
if (length == 0) return false;
|
|
stream.seekg (0, std::ios::beg);
|
|
|
|
bool bHasPerWedgeTexCoord = false;
|
|
bool bHasPerWedgeNormal = false;
|
|
bool bUsingMaterial = false;
|
|
bool bHasPerVertexColor = false;
|
|
bool bHasPerFaceColor = false;
|
|
|
|
AdditionalInfoDAE* inf = new AdditionalInfoDAE();
|
|
inf->dae = new InfoDAE();
|
|
InfoDAE* info = inf->dae;
|
|
info->doc = new FCDocument();
|
|
|
|
unsigned int numvert = 0;
|
|
unsigned int numtriang = 0;
|
|
|
|
unsigned int mask = 0;
|
|
|
|
FCDGeometryLibrary* geolib = info->doc->GetGeometryLibrary();
|
|
if (geolib->IsEmpty()) return false;
|
|
size_t n = geolib->GetEntityCount();
|
|
std::vector<FCDGeometryMesh*> geomsh(n);
|
|
|
|
|
|
FUStatus st = info->doc->LoadFromFile(FUStringConversion::ToFString(filename));
|
|
if (st.IsFailure())
|
|
{
|
|
delete info->doc;
|
|
info->doc = NULL;
|
|
return false;
|
|
}
|
|
|
|
bool amesh = false;
|
|
|
|
//for any mesh in the collada file
|
|
for(unsigned int ii = 0;ii < geomsh.size();++ii)
|
|
{
|
|
if (!geolib->GetEntity(ii)->IsMesh())
|
|
{
|
|
amesh |= false;
|
|
}
|
|
else
|
|
{
|
|
amesh |= true;
|
|
geomsh[ii] = geolib->GetEntity(ii)->GetMesh();
|
|
|
|
unsigned int ver;
|
|
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);
|
|
ver = flst.size() / str;
|
|
numvert += flst.size() / str;
|
|
}
|
|
else
|
|
{
|
|
delete info->doc;
|
|
info->doc = NULL;
|
|
return false;
|
|
}
|
|
|
|
size_t pol = geomsh[ii]->GetPolygonsCount();
|
|
|
|
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 info->doc;
|
|
info->doc = NULL;
|
|
return false;
|
|
}
|
|
//unsigned int hi = pos->indices[1];
|
|
|
|
FCDGeometryPolygonsInputList normlist;
|
|
tmp->GetPolygons(pset)->FindInputs(FUDaeGeometryInput::NORMAL,normlist);
|
|
FCDGeometryPolygonsInputList tet;
|
|
tmp->GetPolygons(pset)->FindInputs(FUDaeGeometryInput::TEXCOORD,tet);
|
|
|
|
for(unsigned int kk = 0; kk < tet.size();++kk)
|
|
if ((normlist[0]->GetSource()->GetSourceData().size() == ver * 3 * 3) && (!bHasPerWedgeNormal))
|
|
bHasPerWedgeNormal = true;
|
|
|
|
for(unsigned int kk = 0; kk < tet.size();++kk)
|
|
if ((tet[kk]->GetSource()->GetSourceData().size() == ver * 3 * 2) && (!bHasPerTexCoord))
|
|
bHasPerTexCoord = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
inf.nvert =
|
|
addinfo = inf;
|
|
return true;
|
|
}
|
|
};
|
|
}
|
|
}
|
|
}
|
|
|
|
#endif
|