813 lines
32 KiB
C++
813 lines
32 KiB
C++
/****************************************************************************
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* VCGLib o o *
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* Visual and Computer Graphics Library o o *
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* _ O _ *
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* Copyright(C) 2004-2008 \/)\/ *
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* Visual Computing Lab /\/| *
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* ISTI - Italian National Research Council | *
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* \ *
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* All rights reserved. *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License (http://www.gnu.org/licenses/gpl.txt) *
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* for more details. *
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* *
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****************************************************************************/
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#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/dae/util_dae.h>
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// uncomment one of the following line to enable the Verbose Trace for Crease
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//#define QDEBUG if(1) ; else printf
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#define QDEBUG qDebug
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namespace vcg {
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namespace tri {
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namespace io {
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template<typename OpenMeshType>
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class ImporterDAE : public UtilDAE
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{
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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)
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{
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int indnm = -1;
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if (!wnsrc.isNull())
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{
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indnm = face.at(faceind).toInt();
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assert(indnm * 3 < wn.size());
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m.face[meshfaceind].WN(component) = 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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return indnm;
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}
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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,const int stride = 2)
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{
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int indtx = -1;
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if (!wtsrc.isNull())
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{
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indtx = face.at(faceind).toInt();
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int num = wt.size();
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assert(indtx * stride < wt.size());
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m.face[meshfaceind].WT(component) = vcg::TexCoord2<float>();
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m.face[meshfaceind].WT(component).U() = wt.at(indtx * stride).toFloat();
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m.face[meshfaceind].WT(component).V() = wt.at(indtx * stride + 1).toFloat();
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m.face[meshfaceind].WT(component).N() = ind_txt;
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}
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return indtx;
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}
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static int WedgeColorAttribute(OpenMeshType& m,const QStringList face,const QStringList wc,const QDomNode wcsrc,const int meshfaceind,const int faceind,const int component)
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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(faceind).toInt();
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assert(indcl * 4 < wc.size());
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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());
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}
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return indcl;
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}
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static void FindStandardWedgeAttributes(WedgeAttribute& wed,const QDomNode nd,const QDomDocument doc)
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{
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wed.wnsrc = findNodeBySpecificAttributeValue(nd,"input","semantic","NORMAL");
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wed.offnm = findStringListAttribute(wed.wn,wed.wnsrc,nd,doc,"NORMAL");
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wed.wtsrc = findNodeBySpecificAttributeValue(nd,"input","semantic","TEXCOORD");
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if (!wed.wtsrc.isNull())
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{
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QDomNode src = attributeSourcePerSimplex(nd,doc,"TEXCOORD");
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if (isThereTag(src,"accessor"))
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{
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QDomNodeList wedatts = src.toElement().elementsByTagName("accessor");
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wed.stride = wedatts.at(0).toElement().attribute("stride").toInt();
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}
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else
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wed.stride = 2;
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}
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else
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wed.stride = 2;
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wed.offtx = findStringListAttribute(wed.wt,wed.wtsrc,nd,doc,"TEXCOORD");
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wed.wcsrc = findNodeBySpecificAttributeValue(nd,"input","semantic","COLOR");
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wed.offcl = findStringListAttribute(wed.wc,wed.wcsrc,nd,doc,"COLOR");
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}
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static DAEError LoadPolygonalMesh(QDomNodeList& polypatch,OpenMeshType& m,const size_t offset,InfoDAE* info)
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{
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return E_NOERROR;
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}
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static DAEError LoadPolygonalListMesh(QDomNodeList& polylist,OpenMeshType& m,const size_t offset,InfoDAE* info)
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{
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typedef PolygonalMesh< MyPolygon<typename OpenMeshType::VertexType> > PolyMesh;
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PolyMesh pm;
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//copying vertices
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for(typename OpenMeshType::VertexIterator itv = m.vert.begin();itv != m.vert.end();++itv)
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{
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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;
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pm.vert.push_back(v);
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}
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int polylist_size = polylist.size();
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for(int pl = 0; pl < polylist_size;++pl)
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{
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QString mat = polylist.at(pl).toElement().attribute(QString("material"));
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QString textureFilename;
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QDomNode txt_node = textureFinder(mat,textureFilename,*(info->doc));
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int ind_txt = -1;
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if (!txt_node.isNull())
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ind_txt = indexTextureByImgNode(*(info->doc),txt_node);
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//PolyMesh::PERWEDGEATTRIBUTETYPE att = PolyMesh::NONE;
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WedgeAttribute wa;
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FindStandardWedgeAttributes(wa,polylist.at(pl),*(info->doc));
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QStringList vertcount;
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valueStringList(vertcount,polylist.at(pl),"vcount");
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int indforpol = findOffSetForASingleSimplex(polylist.at(pl));
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int offpols = 0;
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int npolig = vertcount.size();
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QStringList polyind;
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valueStringList(polyind,polylist.at(pl),"p");
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for(int ii = 0;ii < npolig;++ii)
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{
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int nvert = vertcount.at(ii).toInt();
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typename PolyMesh::FaceType p(nvert);
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for(int iv = 0;iv < nvert;++iv)
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{
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int index = offset + polyind.at(offpols + iv * indforpol).toInt();
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p._pv[iv] = &(pm.vert[index]);
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int nmindex = -1;
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if (!wa.wnsrc.isNull())
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nmindex = offset + polyind.at(offpols + iv * indforpol + wa.offnm).toInt();
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int txindex = -1;
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if (!wa.wtsrc.isNull())
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{
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txindex = offset + polyind.at(offpols + iv * indforpol + wa.offtx).toInt();
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/*p._txc[iv].U() = wa.wt.at(txindex * 2).toFloat();
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p._txc[iv].V() = wa.wt.at(txindex * 2 + 1).toFloat();
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p._txc[iv].N() = ind_txt;*/
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}
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}
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pm._pols.push_back(p);
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offpols += nvert * indforpol;
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}
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}
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pm.triangulate(m);
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return E_NOERROR;
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}
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/*
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Called to load into a given mesh
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*/
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static DAEError LoadTriangularMesh(QDomNodeList& triNodeList, OpenMeshType& m, const size_t offset, InfoDAE* info,QMap<QString,QString> &materialBinding)
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{
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QDEBUG("****** LoadTriangularMesh (initial mesh size %i %i)",m.vn,m.fn);
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for(int tript = 0; tript < triNodeList.size();++tript)
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{
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QString materialId = triNodeList.at(tript).toElement().attribute(QString("material"));
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QDEBUG("****** material id '%s' -> '%s'",qPrintable(materialId),qPrintable(materialBinding[materialId]));
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QString textureFilename;
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QDomNode img_node = textureFinder(materialBinding[materialId],textureFilename,*(info->doc));
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if(img_node.isNull())
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{
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QDEBUG("****** but we were not able to find the corresponding image node");
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}
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int ind_txt = -1;
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if (!img_node.isNull())
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{
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if(info->textureIdMap.contains(textureFilename))
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ind_txt=info->textureIdMap[textureFilename];
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else
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{
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QDEBUG("Found use of Texture %s, adding it to texutres",qPrintable(textureFilename));
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info->textureIdMap[textureFilename]=m.textures.size();
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m.textures.push_back(qPrintable(textureFilename));
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ind_txt=info->textureIdMap[textureFilename];
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}
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// ind_txt = indexTextureByImgNode(*(info->doc),txt_node);
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}
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int faceAttributeNum = triNodeList.at(tript).toElement().elementsByTagName("input").size();
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QStringList face;
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valueStringList(face,triNodeList.at(tript),"p");
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int offsetface = (int)m.face.size();
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if (face.size() != 0)
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{
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vcg::tri::Allocator<OpenMeshType>::AddFaces(m,face.size() / (faceAttributeNum * 3));
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WedgeAttribute wa;
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FindStandardWedgeAttributes(wa,triNodeList.at(tript),*(info->doc));
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int jj = 0;
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for(int ff = offsetface;ff < (int) m.face.size();++ff)
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{
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for(unsigned int tt = 0;tt < 3;++tt)
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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(tt) = &(m.vert[indvt + offset]);
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if(tri::HasPerWedgeNormal(m)) WedgeNormalAttribute(m,face,wa.wn,wa.wnsrc,ff,jj + wa.offnm,tt);
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if(tri::HasPerWedgeColor(m)) WedgeColorAttribute(m,face,wa.wc,wa.wcsrc,ff,jj + wa.offcl,tt);
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if(tri::HasPerWedgeTexCoord(m) && ind_txt != -1)
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{
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WedgeTextureAttribute(m,face,ind_txt,wa.wt,wa.wtsrc,ff,jj + wa.offtx,tt,wa.stride);
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}
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jj += faceAttributeNum;
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}
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}
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}
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}
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QDEBUG("****** LoadTriangularMesh (final mesh size %i %i - %i %i)",m.vn,m.vert.size(),m.fn,m.face.size());
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return E_NOERROR;
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}
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static int LoadControllerMesh(OpenMeshType& m, InfoDAE* info, const QDomElement& geo,QMap<QString, QString> materialBindingMap, CallBackPos *cb=0)
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{
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assert(geo.tagName() == "controller");
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QDomNodeList skinList = geo.toElement().elementsByTagName("skin");
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if(skinList.size()!=1) return E_CANTOPEN;
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QDomElement skinNode = skinList.at(0).toElement();
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QString geomNode_url;
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referenceToANodeAttribute(skinNode,"source",geomNode_url);
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QDEBUG("Found a controller referencing a skin with url '%s'", qPrintable(geomNode_url));
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QDomNode refNode = findNodeBySpecificAttributeValue(*(info->doc),"geometry","id",geomNode_url);
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QDomNodeList bindingNodes = skinNode.toElement().elementsByTagName("bind_material");
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if( bindingNodes.size()>0) {
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QDEBUG("** skin node of a controller has a material binding");
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GenerateMaterialBinding(skinNode,materialBindingMap);
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}
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LoadGeometry(m, info, refNode.toElement(),materialBindingMap);
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}
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/* before instancing a geometry you can make a binding that allow you to substitute next material names with other names.
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this is very useful for instancing the same geometry with different materials. therefore when you encounter a material name in a mesh, this name can be a 'symbol' that you have to bind.
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*/
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static bool GenerateMaterialBinding(QDomNode instanceGeomNode, QMap<QString,QString> &binding)
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{
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QDomNodeList instanceMaterialList=instanceGeomNode.toElement().elementsByTagName("instance_material");
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QDEBUG("++++ Found %i instance_material binding",instanceMaterialList.size() );
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for(int i=0;i<instanceMaterialList.size();++i)
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{
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QString symbol = instanceMaterialList.at(i).toElement().attribute("symbol");
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QString target = instanceMaterialList.at(i).toElement().attribute("target");
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binding[symbol]=target;
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QDEBUG("++++++ %s -> %s",qPrintable(symbol),qPrintable(target));
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}
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return true;
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}
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/*
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Basic function that get in input a node <geometry> with a map from material names to texture names.
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this map is necessary because when using a geometry when it is instanced its material can be bind with different names.
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if the map fails you should directly search in the material library.
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*/
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static int LoadGeometry(OpenMeshType& m, InfoDAE* info, const QDomElement& geo, QMap<QString,QString> &materialBinding, CallBackPos *cb=0)
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{
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assert(geo.tagName() == "geometry");
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if (!isThereTag(geo,"mesh")) return E_NOMESH;
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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"))
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return E_CANTOPEN;
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QDEBUG("**** Loading a Geometry Mesh **** (initial mesh size %i %i)",m.vn,m.fn);
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QDomNodeList vertices = geo.toElement().elementsByTagName("vertices");
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if (vertices.size() != 1) return E_INCOMPATIBLECOLLADA141FORMAT;
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QDomElement vertNode = vertices.at(0).toElement();
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QDomNode positionNode = attributeSourcePerSimplex(vertNode,*(info->doc),"POSITION");
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if (positionNode.isNull()) return E_NOVERTEXPOSITION;
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QStringList geosrcposarr;
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valueStringList(geosrcposarr, positionNode, "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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if (geosrcposarr_size != 0)
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{
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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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Point3f positionCoord(geosrcposarr[ii * 3].toFloat(),geosrcposarr[ii * 3 + 1].toFloat(),geosrcposarr[ii * 3 + 2].toFloat());
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m.vert[vv].P() = positionCoord;
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if (!srcnodenorm.isNull())
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{
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Point3f normalCoord(geosrcvertnorm[ii * 3].toFloat(),
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geosrcvertnorm[ii * 3 + 1].toFloat(),
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geosrcvertnorm[ii * 3 + 2].toFloat());
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normalCoord.Normalize();
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m.vert[vv].N() = normalCoord;
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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::TexCoord2<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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QDomNodeList polypatch = geo.toElement().elementsByTagName("polygons");
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QDomNodeList polylist = geo.toElement().elementsByTagName("polylist");
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if (tripatch.isEmpty() && polypatch.isEmpty() && polylist.isEmpty())
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return E_NOPOLYGONALMESH;
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DAEError err = E_NOERROR;
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err = LoadTriangularMesh(tripatch,m,offset,info,materialBinding);
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//err = LoadPolygonalMesh(polypatch,m,offset,info);
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//err = LoadPolygonalListMesh(polylist,m,offset,info);
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if (err != E_NOERROR)
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return err;
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}
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QDEBUG("**** Loading a Geometry Mesh **** (final mesh size %i %i - %i %i)",m.vn,m.vert.size(),m.fn,m.face.size());
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return E_NOERROR;
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}
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static void GetTexCoord(const QDomDocument& doc, QStringList &texturefile)
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{
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QDomNodeList txlst = doc.elementsByTagName("library_images");
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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)
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{
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texturefile.push_back(nlst.at(0).firstChild().nodeValue());
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}
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}
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}
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// This recursive function add to a mesh the subtree starting from the passed node.
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// When you start from a visual_scene, you can find nodes.
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// nodes can be directly instanced or referred from the node library.
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static void AddNodeToMesh(QDomElement node,
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OpenMeshType& m, Matrix44f curTr,
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InfoDAE*& info)
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{
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QDEBUG("Starting processing <node> with id %s",qPrintable(node.attribute("id")));
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curTr = curTr * getTransfMatrixFromNode(node);
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QDomNodeList geomNodeList = node.elementsByTagName("instance_geometry");
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for(int ch = 0;ch < geomNodeList.size();++ch)
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{
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QDomElement instGeomNode= geomNodeList.at(ch).toElement();
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if(instGeomNode.parentNode()==node) // process only direct child
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{
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QDEBUG("** instance_geometry with url %s (intial mesh size %i %i T = %i)",qPrintable(instGeomNode.attribute("url")),m.vn,m.fn,m.textures.size());
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//assert(m.textures.size()>0 == HasPerWedgeTexCoord(m));
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QString geomNode_url;
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referenceToANodeAttribute(instGeomNode,"url",geomNode_url);
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QDomNode refNode = findNodeBySpecificAttributeValue(*(info->doc),"geometry","id",geomNode_url);
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QDomNodeList bindingNodes = instGeomNode.toElement().elementsByTagName("bind_material");
|
|
QMap<QString,QString> materialBindingMap;
|
|
if( bindingNodes.size()>0) {
|
|
QDEBUG("** instance_geometry has a material binding");
|
|
GenerateMaterialBinding(instGeomNode,materialBindingMap);
|
|
}
|
|
|
|
OpenMeshType newMesh;
|
|
newMesh.face.EnableWedgeTex();
|
|
LoadGeometry(newMesh, info, refNode.toElement(),materialBindingMap);
|
|
tri::UpdatePosition<OpenMeshType>::Matrix(newMesh,curTr);
|
|
tri::Append<OpenMeshType,OpenMeshType>::Mesh(m,newMesh);
|
|
QDEBUG("** instance_geometry with url %s (final mesh size %i %i - %i %i)",qPrintable(instGeomNode.attribute("url")),m.vn,m.vert.size(),m.fn,m.face.size());
|
|
}
|
|
}
|
|
|
|
QDomNodeList controllerNodeList = node.elementsByTagName("instance_controller");
|
|
for(int ch = 0;ch < controllerNodeList.size();++ch)
|
|
{
|
|
QDomElement instContrNode= controllerNodeList.at(ch).toElement();
|
|
if(instContrNode.parentNode()==node) // process only direct child
|
|
{
|
|
QDEBUG("Found a instance_controller with url %s",qPrintable(instContrNode.attribute("url")));
|
|
|
|
QString controllerNode_url;
|
|
referenceToANodeAttribute(instContrNode,"url",controllerNode_url);
|
|
QDEBUG("Found a instance_controller with url '%s'", qPrintable(controllerNode_url));
|
|
QDomNode refNode = findNodeBySpecificAttributeValue(*(info->doc),"controller","id",controllerNode_url);
|
|
|
|
QDomNodeList bindingNodes = instContrNode.toElement().elementsByTagName("bind_material");
|
|
QMap<QString, QString> materialBindingMap;
|
|
if( bindingNodes.size()>0) {
|
|
QDEBUG("** instance_controller node of has a material binding");
|
|
GenerateMaterialBinding(instContrNode,materialBindingMap);
|
|
}
|
|
|
|
OpenMeshType newMesh;
|
|
newMesh.face.EnableWedgeTex();
|
|
LoadControllerMesh(newMesh, info, refNode.toElement(),materialBindingMap);
|
|
tri::UpdatePosition<OpenMeshType>::Matrix(newMesh,curTr);
|
|
tri::Append<OpenMeshType,OpenMeshType>::Mesh(m,newMesh);
|
|
}
|
|
}
|
|
|
|
QDomNodeList nodeNodeList = node.elementsByTagName("node");
|
|
for(int ch = 0;ch < nodeNodeList.size();++ch)
|
|
{
|
|
if(nodeNodeList.at(ch).parentNode()==node) // process only direct child
|
|
AddNodeToMesh(nodeNodeList.at(ch).toElement(), m,curTr, info);
|
|
}
|
|
|
|
QDomNodeList instanceNodeList = node.elementsByTagName("instance_node");
|
|
for(int ch = 0;ch < instanceNodeList.size();++ch)
|
|
{
|
|
if(instanceNodeList.at(ch).parentNode()==node) // process only direct child
|
|
{
|
|
QDomElement instanceNode = instanceNodeList.at(ch).toElement();
|
|
QString node_url;
|
|
referenceToANodeAttribute(instanceNode,"url",node_url);
|
|
QDEBUG("Found a instance_node with url '%s'", qPrintable(node_url));
|
|
QDomNode refNode = findNodeBySpecificAttributeValue(*(info->doc),"node","id",node_url);
|
|
if(refNode.isNull())
|
|
QDEBUG("findNodeBySpecificAttributeValue returned a null node for %s",qPrintable(node_url));
|
|
|
|
AddNodeToMesh(refNode.toElement(), m,curTr, info);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
// Retrieve the transformation matrix that is defined in the childs of a node.
|
|
// used during the recursive descent.
|
|
static Matrix44f getTransfMatrixFromNode(const QDomElement parentNode)
|
|
{
|
|
QDEBUG("getTrans form node with tag %s",qPrintable(parentNode.tagName()));
|
|
assert(parentNode.tagName() == "node");
|
|
|
|
std::vector<QDomNode> rotationList;
|
|
QDomNode matrixNode;
|
|
QDomNode translationNode;
|
|
for(int ch = 0;ch < parentNode.childNodes().size();++ch)
|
|
{
|
|
if (parentNode.childNodes().at(ch).nodeName() == "rotate")
|
|
rotationList.push_back(parentNode.childNodes().at(ch));
|
|
if (parentNode.childNodes().at(ch).nodeName() == "translate")
|
|
translationNode = parentNode.childNodes().at(ch);
|
|
if (parentNode.childNodes().at(ch).nodeName() == "matrix")
|
|
matrixNode = parentNode.childNodes().at(ch);
|
|
}
|
|
|
|
Matrix44f rotM; rotM.SetIdentity();
|
|
Matrix44f transM; transM.SetIdentity();
|
|
|
|
if (!translationNode.isNull()) ParseTranslation(transM,translationNode);
|
|
if (!rotationList.empty()) ParseRotationMatrix(rotM,rotationList);
|
|
if (!matrixNode.isNull())
|
|
{
|
|
ParseMatrixNode(transM,matrixNode);
|
|
return transM;
|
|
}
|
|
return transM*rotM;
|
|
}
|
|
|
|
public:
|
|
|
|
//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,InfoDAE*& info, CallBackPos *cb=0)
|
|
{
|
|
QDEBUG("----- Starting the processing of %s ------",filename);
|
|
//AdditionalInfoDAE* inf = new AdditionalInfoDAE();
|
|
info = new InfoDAE();
|
|
|
|
QDomDocument* doc = new QDomDocument(filename);
|
|
QFile file(filename);
|
|
if (!file.open(QIODevice::ReadOnly))
|
|
return E_CANTOPEN;
|
|
if (!doc->setContent(&file))
|
|
{
|
|
file.close();
|
|
return E_CANTOPEN;
|
|
}
|
|
file.close();
|
|
|
|
info->doc = doc;
|
|
//GetTexture(*(info->doc),inf);
|
|
|
|
// GenerateMaterialToTextureMap(info);
|
|
//scene->instance_visual_scene
|
|
QDomNodeList scenes = info->doc->elementsByTagName("scene");
|
|
int scn_size = scenes.size();
|
|
if (scn_size == 0)
|
|
return E_NO3DSCENE;
|
|
QDEBUG("File Contains %i Scenes",scenes.size());
|
|
int problem = E_NOERROR;
|
|
bool found_a_mesh = false;
|
|
//Is there geometry in the file?
|
|
bool geoinst_found = false;
|
|
|
|
// The main loading loop
|
|
// for each scene in COLLADA FILE
|
|
/*
|
|
Some notes on collada structure.
|
|
the top root is the <scene> that can contains one of more <visual_scene>.
|
|
<visual_scene> can be directly written there (check!) or instanced from their definition in the <library_visual_scene>
|
|
each <visual_scene> contains a hierarchy of <node>
|
|
each <node> contains
|
|
transformation
|
|
other nodes
|
|
instance of geometry
|
|
instance of controller
|
|
|
|
|
|
*/
|
|
for(int scn = 0;scn < scn_size;++scn)
|
|
{
|
|
QDomNodeList instscenes = scenes.at(scn).toElement().elementsByTagName("instance_visual_scene");
|
|
int instscn_size = instscenes.size();
|
|
QDEBUG("Scene %i contains %i instance_visual_scene ",scn,instscn_size);
|
|
if (instscn_size == 0) return E_INCOMPATIBLECOLLADA141FORMAT;
|
|
|
|
//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);
|
|
QDEBUG("instance_visual_scene %i refers %s ",instscn,qPrintable(libscn_url));
|
|
|
|
// QDomNode nd = QDomNode(*(inf->doc));
|
|
QDomNode visscn = findNodeBySpecificAttributeValue(*(info->doc),"visual_scene","id",libscn_url);
|
|
if(visscn.isNull()) return E_UNREFERENCEBLEDCOLLADAATTRIBUTE;
|
|
|
|
//assert (visscn.toElement().Attribute("id") == libscn_url);
|
|
//for each node in the libscn_url visual scene
|
|
QDomNodeList visscn_child = visscn.childNodes();
|
|
QDEBUG("instance_visual_scene %s has %i children",qPrintable(libscn_url),visscn_child.size());
|
|
|
|
// for each direct child of a visual scene process it
|
|
for(int chdind = 0; chdind < visscn_child.size();++chdind)
|
|
{
|
|
QDomElement node=visscn_child.at(chdind).toElement();
|
|
if(node.isNull()) continue;
|
|
QDEBUG("Processing Visual Scene child %i - of type '%s'",chdind,qPrintable(node.tagName()));
|
|
Matrix44f baseTr; baseTr.SetIdentity();
|
|
|
|
if(node.toElement().tagName()=="node")
|
|
AddNodeToMesh(node.toElement(), m, baseTr,info);
|
|
} // end for each node of a given scene
|
|
} // end for each visual scene instance
|
|
} // end for each scene instance
|
|
return problem;
|
|
}
|
|
|
|
static bool LoadMask(const char * filename, InfoDAE*& addinfo)
|
|
{
|
|
bool bHasPerWedgeTexCoord = false;
|
|
bool bHasPerWedgeNormal = false;
|
|
bool bHasPerVertexColor = false;
|
|
bool bHasPerFaceColor = false;
|
|
bool bHasPerVertexNormal = false;
|
|
bool bHasPerVertexText = false;
|
|
|
|
InfoDAE* info = new InfoDAE();
|
|
QDomDocument* doc = new QDomDocument(filename);
|
|
QFile file(filename);
|
|
if (!file.open(QIODevice::ReadOnly))
|
|
return false;
|
|
if (!doc->setContent(&file))
|
|
{
|
|
file.close();
|
|
return false;
|
|
}
|
|
file.close();
|
|
|
|
QStringList textureFileList;
|
|
info->doc = doc;
|
|
GetTexCoord(*(info->doc),textureFileList);
|
|
QDomNodeList scenes = info->doc->elementsByTagName("scene");
|
|
int scn_size = scenes.size();
|
|
|
|
|
|
//Is there geometry in the file?
|
|
bool geoinst_found = false;
|
|
//for each scene in COLLADA FILE
|
|
for(int scn = 0;scn < scn_size;++scn)
|
|
{
|
|
QDomNodeList instscenes = scenes.at(scn).toElement().elementsByTagName("instance_visual_scene");
|
|
int instscn_size = instscenes.size();
|
|
if (instscn_size == 0) return false;
|
|
|
|
//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->doc));
|
|
QDomNode visscn = findNodeBySpecificAttributeValue(*(info->doc),"visual_scene","id",libscn_url);
|
|
if(visscn.isNull()) return false;
|
|
|
|
//for each node in the libscn_url visual scene
|
|
//QDomNodeList& visscn_child = visscn.childNodes();
|
|
QDomNodeList visscn_child = visscn.childNodes();
|
|
|
|
//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)
|
|
{
|
|
//QDomNodeList& geoinst = visscn_child.at(chdind).toElement().elementsByTagName("instance_geometry");
|
|
QDomNodeList geoinst = visscn_child.at(chdind).toElement().elementsByTagName("instance_geometry");
|
|
int geoinst_size = geoinst.size();
|
|
if (geoinst_size != 0)
|
|
{
|
|
|
|
geoinst_found |= true;
|
|
QDomNodeList geolib = info->doc->elementsByTagName("library_geometries");
|
|
assert(geolib.size() == 1);
|
|
//!!!!!!!!!!!!!!!!!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)
|
|
{
|
|
QString geo_url;
|
|
referenceToANodeAttribute(geoinst.at(geoinst_ind),"url",geo_url);
|
|
|
|
QDomNode geo = findNodeBySpecificAttributeValue(geolib.at(0),"geometry","id",geo_url);
|
|
if (geo.isNull())
|
|
return false;
|
|
|
|
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;
|
|
}
|
|
|
|
const char* arr[] = {"triangles","polylist","polygons"};
|
|
|
|
for(unsigned int tt= 0;tt < 3;++tt)
|
|
{
|
|
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;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!geoinst_found)
|
|
{
|
|
QDomNodeList geolib = info->doc->elementsByTagName("library_geometries");
|
|
assert(geolib.size() == 1);
|
|
QDomNodeList geochild = geolib.at(0).toElement().elementsByTagName("geometry");
|
|
//!!!!!!!!!!!!!!!!!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;
|
|
}
|
|
}
|
|
}
|
|
|
|
info->mask = 0;
|
|
|
|
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;
|
|
|
|
|
|
|
|
delete (info->doc);
|
|
info->doc = NULL;
|
|
addinfo = info;
|
|
return true;
|
|
}
|
|
};
|
|
}
|
|
}
|
|
}
|
|
|
|
#endif
|