glc_worldto3dxml.cpp

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/****************************************************************************

 This file is part of the GLC-lib library.
 Copyright (C) 2005-2008 Laurent Ribon (laumaya@users.sourceforge.net)
 Version 2.0.0 Beta 1, packaged on April 2010.

 http://glc-lib.sourceforge.net

 GLC-lib is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation; either version 2 of the License, or
 (at your option) any later version.

 GLC-lib is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.

 You should have received a copy of the GNU General Public License
 along with GLC-lib; if not, write to the Free Software
 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

 *****************************************************************************/

#include "glc_worldto3dxml.h"
// Quazip library
#include "../quazip/quazip.h"
#include "../quazip/quazipfile.h"
#include "../glc_exception.h"
#include "../geometry/glc_mesh.h"

#include <QFileInfo>

GLC_WorldTo3dxml::GLC_WorldTo3dxml(const GLC_World& world)
: QObject()
, m_World(world)
, m_FileName()
, m_pOutStream(NULL)
, m_Generator("GLC_LIB")
, m_CurrentId(0)
, m_p3dxmlArchive(NULL)
, m_pCurrentZipFile(NULL)
, m_pCurrentFile(NULL)
, m_AbsolutePath()
, m_ReferenceToIdHash()
, m_InstanceToIdHash()
, m_ReferenceRepToIdHash()
, m_ReferenceRepTo3dxmlFileName()
, m_InstanceRep()
, m_MaterialIdToMaterialName()
, m_MaterialIdToMaterialId()
, m_MaterialIdToTexture3dxmlName()
, m_MaterialIdTo3dxmlImageId()
, m_ExportMaterial(true)
, m_3dxmlFileSet()
, m_FileNameIncrement(0)
, m_ListOfOverLoadedOccurence()
, m_pReadWriteLock(NULL)
, m_pIsInterupted(NULL)
{
        m_World.rootOccurence()->updateOccurenceNumber(1);
}

GLC_WorldTo3dxml::~GLC_WorldTo3dxml()
{
        delete m_p3dxmlArchive;
        delete m_pCurrentZipFile;
        delete m_pCurrentFile;
}

bool GLC_WorldTo3dxml::exportToFile(const QString& filename, GLC_WorldTo3dxml::ExportType exportType, bool exportMaterial)
{
        m_3dxmlFileSet.clear();
        m_ListOfOverLoadedOccurence.clear();
        m_FileNameIncrement= 0;
        m_ExportMaterial= exportMaterial;
        m_FileName= filename;
        bool isExported= false;
        if (exportType == Compressed3dxml)
        {
                m_p3dxmlArchive= new QuaZip(m_FileName);
                isExported= m_p3dxmlArchive->open(QuaZip::mdCreate);
                // Add the manifest
                addManifest();

        }
        else
        {
                m_AbsolutePath= QFileInfo(m_FileName).absolutePath() + QDir::separator();
                QFile exportFile(m_FileName);
                isExported= exportFile.open(QIODevice::WriteOnly);
                exportFile.close();
        }
        if (isExported)
        {
                if (m_ExportMaterial)
                {
                        writeAllMaterialRelatedFilesIn3dxml();
                }

                // Export the assembly structure from the list of structure reference
                exportAssemblyStructure();

                int previousQuantumValue= 0;
                int currentQuantumValue= 0;
                emit currentQuantum(currentQuantumValue);

                int currentRepIndex= 0;
                const int size= m_ReferenceRepTo3dxmlFileName.size();
                // Export the representation
                QHash<const GLC_3DRep*, QString>::const_iterator iRep= m_ReferenceRepTo3dxmlFileName.constBegin();
                while ((m_ReferenceRepTo3dxmlFileName.constEnd() != iRep) && continu())
                {
                        write3DRep(iRep.key(), iRep.value());
                        ++iRep;

                        // Progrees bar indicator
                        ++currentRepIndex;
                        currentQuantumValue = static_cast<int>((static_cast<double>(currentRepIndex) / size) * 100);
                        if (currentQuantumValue > previousQuantumValue)
                        {
                                emit currentQuantum(currentQuantumValue);
                        }
                        previousQuantumValue= currentQuantumValue;
                }
        }

        emit currentQuantum(100);
        return isExported;
}

void GLC_WorldTo3dxml::setInterupt(QReadWriteLock* pReadWriteLock, bool* pInterupt)
{
        m_pReadWriteLock= pReadWriteLock;
        m_pIsInterupted= pInterupt;
}

void GLC_WorldTo3dxml::writeHeader()
{
        const QString title(QFileInfo(m_FileName).fileName());

        m_pOutStream->writeStartElement("Header");
                m_pOutStream->writeTextElement("SchemaVersion", "4.0");
                m_pOutStream->writeTextElement("Title", title);
                m_pOutStream->writeTextElement("Generator", m_Generator);
                m_pOutStream->writeTextElement("Created", QDate::currentDate().toString("YYYY-MM-DD"));
        m_pOutStream->writeEndElement();
}

void GLC_WorldTo3dxml::writeReference3D(const GLC_StructReference* pRef)
{
        m_pOutStream->writeStartElement("Reference3D");
                m_pOutStream->writeAttribute("xsi:type", "Reference3DType");
                m_pOutStream->writeAttribute("id", QString::number(++m_CurrentId));
                m_pOutStream->writeAttribute("name", pRef->name());
                if (pRef->containsAttributes())
                {
                        m_pOutStream->writeStartElement("Reference3DExtensionType");
                        writeExtensionAttributes(pRef->attributesHandle());
                        m_pOutStream->writeEndElement(); // Reference3DExtensionType
                }
        m_pOutStream->writeEndElement(); // Reference3D

        m_ReferenceToIdHash.insert(pRef, m_CurrentId);
}

void GLC_WorldTo3dxml::writeReferenceRep(const GLC_3DRep* p3DRep)
{
        const QString id(QString::number(++m_CurrentId));
        m_ReferenceRepToIdHash.insert(p3DRep, m_CurrentId);
        const QString associateFile(representationFileName(p3DRep));
        m_ReferenceRepTo3dxmlFileName.insert(p3DRep, QString(associateFile).remove("urn:3DXML:"));

        m_pOutStream->writeStartElement("ReferenceRep");
                m_pOutStream->writeAttribute("xsi:type", "ReferenceRepType");
                m_pOutStream->writeAttribute("id", id);
                m_pOutStream->writeAttribute("name", p3DRep->name());
                m_pOutStream->writeAttribute("format", "TESSELLATED");
                m_pOutStream->writeAttribute("version", "1.2");
                m_pOutStream->writeAttribute("associatedFile", associateFile);
                m_pOutStream->writeTextElement("PLM_ExternalID", p3DRep->name());
                m_pOutStream->writeTextElement("V_discipline", "Design");
                m_pOutStream->writeTextElement("V_usage", "3DShape");
                m_pOutStream->writeTextElement("V_nature", "1");
        m_pOutStream->writeEndElement();


}
void GLC_WorldTo3dxml::writeInstance3D(const GLC_StructInstance* pInstance, unsigned int parentId)
{
        const GLC_StructReference* pRef= pInstance->structReference();
        const unsigned int referenceId= m_ReferenceToIdHash.value(pRef);
        const QString instanceMatrix(matrixString(pInstance->relativeMatrix()));

        m_pOutStream->writeStartElement("Instance3D");
                m_pOutStream->writeAttribute("xsi:type", "Instance3DType");
                m_pOutStream->writeAttribute("id", QString::number(++m_CurrentId));
                m_pOutStream->writeAttribute("name", pInstance->name());
                m_pOutStream->writeTextElement("IsAggregatedBy", QString::number(parentId));
                m_pOutStream->writeTextElement("IsInstanceOf", QString::number(referenceId));
                m_pOutStream->writeTextElement("RelativeMatrix", instanceMatrix);
                if (pRef->containsAttributes())
                {
                        m_pOutStream->writeStartElement("Instance3DExtensionType");
                        writeExtensionAttributes(pRef->attributesHandle());
                        m_pOutStream->writeEndElement(); // Instance3DExtensionType
                }

        m_pOutStream->writeEndElement(); // Instance3D

        m_InstanceToIdHash.insert(pInstance, m_CurrentId);
}

void  GLC_WorldTo3dxml::writeInstanceRep(const GLC_3DRep* p3DRep, unsigned int parentId)
{
        const unsigned int referenceId= m_ReferenceRepToIdHash.value(p3DRep);
        m_pOutStream->writeStartElement("InstanceRep");
                m_pOutStream->writeAttribute("xsi:type", "InstanceRepType");
                m_pOutStream->writeAttribute("id", QString::number(++m_CurrentId));
                m_pOutStream->writeAttribute("name", p3DRep->name());
                m_pOutStream->writeTextElement("IsAggregatedBy", QString::number(parentId));
                m_pOutStream->writeTextElement("IsInstanceOf", QString::number(referenceId));
        m_pOutStream->writeEndElement();

        m_InstanceRep.insert(parentId);

}
void GLC_WorldTo3dxml::setStreamWriterToFile(const QString& fileName)
{
        delete m_pOutStream;
        m_pOutStream= NULL;

        bool success= false;
        if (NULL != m_p3dxmlArchive)
        {
                if (NULL != m_pCurrentZipFile)
                {
                        m_pCurrentZipFile->close();
                        delete m_pOutStream;
                        delete m_pCurrentZipFile;
                }
                QuaZipNewInfo quazipNewInfo(fileName);
                m_pCurrentZipFile= new QuaZipFile(m_p3dxmlArchive);
                success= m_pCurrentZipFile->open(QIODevice::WriteOnly, quazipNewInfo);
                if (success)
                {
                        m_pOutStream= new QXmlStreamWriter(m_pCurrentZipFile);
                }
        }
        else
        {
                delete m_pCurrentFile;
                m_pCurrentFile= new QFile(m_AbsolutePath + fileName);
                success= m_pCurrentFile->open(QIODevice::WriteOnly);
                if (success)
                {
                        m_pOutStream= new QXmlStreamWriter(m_pCurrentFile);
                }
        }

        if (NULL == m_pOutStream)
        {
                QString message(QString("GLC_WorldTo3dxml::setStreamWriterToFile Unable to create ") + fileName);
                GLC_Exception fileException(message);
                throw(fileException);
        }
        else
        {
                m_pOutStream->setAutoFormatting(true);
        }
}

void GLC_WorldTo3dxml::addManifest()
{
        setStreamWriterToFile("Manifest.xml");
        m_pOutStream->writeStartDocument();

        m_pOutStream->writeStartElement("Manifest");
                m_pOutStream->writeAttribute("xmlns:xsi", "http://www.w3.org/2001/XMLSchema-instance");
                m_pOutStream->writeAttribute("xsi:noNamespaceSchemaLocation", "Manifest.xsd");
                m_pOutStream->writeTextElement("Root", QFileInfo(m_FileName).fileName());
                m_pOutStream->writeEndElement();
        m_pOutStream->writeEndElement();

        m_pOutStream->writeEndDocument();
}

void GLC_WorldTo3dxml::exportAssemblyStructure()
{
        m_ReferenceToIdHash.clear();
        m_InstanceToIdHash.clear();
        m_ReferenceRepToIdHash.clear();
        m_ReferenceRepTo3dxmlFileName.clear();
        m_InstanceRep.clear();

        // Create the assembly file
        setStreamWriterToFile(QFileInfo(m_FileName).fileName());
        m_pOutStream->writeStartDocument();
        m_pOutStream->writeStartElement("Model_3dxml");
        m_pOutStream->writeAttribute("xmlns", "http://www.3ds.com/xsd/3DXML");
        m_pOutStream->writeAttribute("xmlns:xsi", "http://www.w3.org/2001/XMLSchema-instance");
        m_pOutStream->writeAttribute("xmlns:xlink", "http://www.w3.org/1999/xlink");

        writeHeader();

        // Product Structure
        m_pOutStream->writeStartElement("ProductStructure");
        m_pOutStream->writeAttribute("root", "1");
        exportAssemblyFromOccurence(m_World.rootOccurence());
        m_pOutStream->writeEndElement(); // ProductStructure

        if (!m_ListOfOverLoadedOccurence.isEmpty())
        {
                m_pOutStream->writeStartElement("DefaultView");
                        const int size= m_ListOfOverLoadedOccurence.size();
                        for (int i= 0; i < size; ++i)
                        {
                                writeOccurenceDefaultViewProperty(m_ListOfOverLoadedOccurence.at(i));
                        }
                m_pOutStream->writeEndElement(); // DefaultView
        }

        m_pOutStream->writeEndElement(); // Model_3dxml

        m_pOutStream->writeEndDocument();
}

void GLC_WorldTo3dxml::exportAssemblyFromOccurence(const GLC_StructOccurence* pOccurence)
{
        if (pOccurence->isOrphan())
        {
                writeReference3D(pOccurence->structReference());
        }
        else
        {
                // Reference 3D
                GLC_StructReference* pCurrentRef= pOccurence->structReference();
                if (!m_ReferenceToIdHash.contains(pCurrentRef))
                {
                        writeReference3D(pCurrentRef);
                        // Reference Rep
                        if (pCurrentRef->hasRepresentation())
                        {
                                GLC_3DRep* pCurrentRep= dynamic_cast<GLC_3DRep*>(pCurrentRef->representationHandle());
                                if (NULL != pCurrentRep && !m_ReferenceRepToIdHash.contains(pCurrentRep))
                                {
                                        writeReferenceRep(pCurrentRep);
                                }
                        }
                }
                // Instance 3D and instance rep
                GLC_StructInstance* pCurrentInstance= pOccurence->structInstance();
                if (!m_InstanceToIdHash.contains(pCurrentInstance))
                {
                        // Instance 3D
                        const unsigned int parentId= m_ReferenceToIdHash.value(pOccurence->parent()->structReference());
                        writeInstance3D(pCurrentInstance, parentId);

                        // Instance Rep
                        if (pCurrentRef->hasRepresentation())
                        {
                                GLC_3DRep* pCurrentRep= dynamic_cast<GLC_3DRep*>(pCurrentRef->representationHandle());
                                const unsigned int parentId= m_ReferenceToIdHash.value(pCurrentRef);
                                if (NULL != pCurrentRep && !m_InstanceRep.contains(parentId))
                                {
                                        writeInstanceRep(pCurrentRep, parentId);
                                }
                        }
                }
        }

        // Process children
        const int childCount= pOccurence->childCount();
        for (int i= 0; i < childCount; ++i)
        {
                exportAssemblyFromOccurence(pOccurence->child(i));
        }

        // Add occurence with Overload properties to a list
        if (m_World.collection()->contains(pOccurence->id()))
        {
                GLC_3DViewInstance* pInstance= m_World.collection()->instanceHandle(pOccurence->id());
                Q_ASSERT(NULL != pInstance);
                const bool isVisible= pInstance->isVisible();
                const bool isOverload= !isVisible || !pInstance->renderPropertiesHandle()->isDefault();
                if (isOverload)
                {
                        m_ListOfOverLoadedOccurence.append(pOccurence);
                }
        }

}

QString GLC_WorldTo3dxml::matrixString(const GLC_Matrix4x4& matrix)
{
        QString resultMatrix;
        const QChar spaceChar(' ');
        // Rotation
        resultMatrix+= QString::number(matrix.data()[0]) + spaceChar;
        resultMatrix+= QString::number(matrix.data()[1]) + spaceChar;
        resultMatrix+= QString::number(matrix.data()[2]) + spaceChar;

        resultMatrix+= QString::number(matrix.data()[4]) + spaceChar;
        resultMatrix+= QString::number(matrix.data()[5]) + spaceChar;
        resultMatrix+= QString::number(matrix.data()[6]) + spaceChar;

        resultMatrix+= QString::number(matrix.data()[8]) + spaceChar;
        resultMatrix+= QString::number(matrix.data()[9]) + spaceChar;
        resultMatrix+= QString::number(matrix.data()[10]) + spaceChar;

        // Translation
        resultMatrix+= QString::number(matrix.data()[12]) + spaceChar;
        resultMatrix+= QString::number(matrix.data()[13]) + spaceChar;
        resultMatrix+= QString::number(matrix.data()[14]);

        return resultMatrix;
}

void GLC_WorldTo3dxml::write3DRep(const GLC_3DRep* pRep, const QString& fileName)
{
        setStreamWriterToFile(fileName);

        m_pOutStream->writeStartDocument();
        m_pOutStream->writeStartElement("XMLRepresentation");
        m_pOutStream->writeAttribute("version", "1.2");
        m_pOutStream->writeAttribute("xmlns", "http://www.3ds.com/xsd/3DXML");
        m_pOutStream->writeAttribute("xmlns:xsi", "http://www.w3.org/2001/XMLSchema-instance");
        m_pOutStream->writeAttribute("xmlns:xlink", "http://www.w3.org/1999/xlink");
        m_pOutStream->writeAttribute("xsi:schemaLocation", "http://www.3ds.com/xsd/3DXML ./3DXMLMesh.xsd");

        m_pOutStream->writeStartElement("Root"); // Root
        m_pOutStream->writeAttribute("xsi:type", "BagRepType");
        m_pOutStream->writeAttribute("id", QString::number(++m_CurrentId));
        const int bodyCount= pRep->numberOfBody();
        for (int i= 0; i < bodyCount; ++i)
        {
                GLC_Mesh* pMesh= dynamic_cast<GLC_Mesh*>(pRep->geomAt(i));
                if (NULL != pMesh)
                {
                        writeGeometry(pMesh);
                }
        }
        m_pOutStream->writeEndElement(); // Root

        m_pOutStream->writeEndElement(); // XMLRepresentation

        m_pOutStream->writeEndDocument();
}

QString GLC_WorldTo3dxml::representationFileName(const GLC_3DRep* pRep)
{
        Q_ASSERT(m_ReferenceRepToIdHash.contains(pRep));
        QString repName= pRep->name();
        QString fileName;
        if (repName.isEmpty())
        {
                fileName= "urn:3DXML:Representation_0.3DRep";
        }
        else
        {
                fileName= "urn:3DXML:" + repName + ".3DRep";
        }
        return xmlFileName(fileName);
}

void GLC_WorldTo3dxml::writeGeometry(const GLC_Mesh* pMesh)
{
        // Get the list of material id
        QList<GLC_uint> materialList= pMesh->materialIds();
        const int materialCount= materialList.size();

        m_pOutStream->writeStartElement("Rep");
        m_pOutStream->writeAttribute("xsi:type", "PolygonalRepType");
        m_pOutStream->writeAttribute("id", QString::number(++m_CurrentId));
        const double masterAccuracy= pMesh->getLodAccuracy(0);
        m_pOutStream->writeAttribute("accuracy", QString::number(masterAccuracy));
        m_pOutStream->writeAttribute("solid", "1");
        const int lodCount= pMesh->lodCount();
        if (lodCount > 1)
        {
                // The mesh contains LOD
                for (int i= 1; i < lodCount; ++i)
                {
                        const double lodAccuracy= pMesh->getLodAccuracy(i);
                        m_pOutStream->writeStartElement("PolygonalLOD");
                        m_pOutStream->writeAttribute("accuracy", QString::number(lodAccuracy));
                        m_pOutStream->writeStartElement("Faces");
                        for (int matIndex= 0; matIndex < materialCount; ++matIndex)
                        {
                                const GLC_uint materialId= materialList.at(matIndex);
                                if (pMesh->lodContainsMaterial(i, materialId))
                                {
                                        writeGeometryFace(pMesh, i, materialId);
                                }
                        }
                        m_pOutStream->writeEndElement(); // Faces
                        m_pOutStream->writeEndElement(); // PolygonalLOD
                }
        }

        // Master LOD
        m_pOutStream->writeStartElement("Faces");
        for (int matIndex= 0; matIndex < materialCount; ++matIndex)
        {
                const GLC_uint materialId= materialList.at(matIndex);
                if (pMesh->lodContainsMaterial(0, materialId))
                {
                        writeGeometryFace(pMesh, 0, materialId);
                }
        }
        m_pOutStream->writeEndElement(); // Faces
        if (!pMesh->wireDataIsEmpty())
        {
                writeEdges(pMesh);
        }

        // Save Bulk data
        m_pOutStream->writeStartElement("VertexBuffer");
        {
                // Get positions
                GLfloatVector positionVector= pMesh->positionVector();
                QString positions;
                const int size= positionVector.size();
                for (int i= 0; i < size; i+=3)
                {
                        positions.append(QString::number(positionVector.at(i)));
                        positions.append(' ');
                        positions.append(QString::number(positionVector.at(i + 1)));
                        positions.append(' ');
                        positions.append(QString::number(positionVector.at(i + 2)));
                        positions.append(", ");
                }
                positions.remove(positions.size() - 2, 2);
                m_pOutStream->writeTextElement("Positions", positions);
        }
        {
                // Get normals
                GLfloatVector normalVector= pMesh->normalVector();
                QString normals;
                const int size= normalVector.size();
                for (int i= 0; i < size; i+=3)
                {
                        normals.append(QString::number(normalVector.at(i)));
                        normals.append(' ');
                        normals.append(QString::number(normalVector.at(i + 1)));
                        normals.append(' ');
                        normals.append(QString::number(normalVector.at(i + 2)));
                        normals.append(", ");
                }
                normals.remove(normals.size() - 2, 2);
                m_pOutStream->writeTextElement("Normals", normals);
        }
        {
                // Get texture coordinates
                GLfloatVector texelVector= pMesh->texelVector();
                if (!texelVector.isEmpty())
                {
                        QString texels;
                        const int size= texelVector.size();
                        for (int i= 0; i < size; i+=2)
                        {
                                texels.append(QString::number(texelVector.at(i)));
                                texels.append(' ');
                                texels.append(QString::number(texelVector.at(i + 1)));
                                texels.append(", ");
                        }
                        texels.remove(texels.size() - 2, 2);

                        m_pOutStream->writeStartElement("TextureCoordinates");
                        m_pOutStream->writeAttribute("dimension", "2D");
                        m_pOutStream->writeAttribute("channel", "0");
                        m_pOutStream->writeCharacters(texels);
                        m_pOutStream->writeEndElement(); // TexturesCoordinates
                }
        }


        m_pOutStream->writeEndElement(); // VertexBuffer
        m_pOutStream->writeEndElement(); // Rep

}
void GLC_WorldTo3dxml::writeGeometryFace(const GLC_Mesh* pMesh, int lod, GLC_uint materialId)
{
        m_pOutStream->writeStartElement("Face");
        if (pMesh->containsTriangles(lod, materialId))
        {
                QVector<GLuint> triangleIndex= pMesh->getTrianglesIndex(lod, materialId);
                QString indexString;
                const int indexSize= triangleIndex.size();
                for (int index= 0; index < indexSize; ++index)
                {
                        indexString.append(QString::number(triangleIndex.at(index)));
                        indexString.append(' ');
                }
                indexString.remove(indexString.size() - 1, 1);
                m_pOutStream->writeAttribute("triangles", indexString);
        }
        if (pMesh->containsStrips(lod, materialId))
        {
                QList<QVector<GLuint> > stripsIndex= pMesh->getStripsIndex(lod, materialId);
                QString indexStrips;
                const int stripCount= stripsIndex.size();
                for (int stripIndex= 0; stripIndex < stripCount; ++stripIndex)
                {
                        QVector<GLuint> currentStripIndex= stripsIndex.at(stripIndex);
                        QString currentIndex;
                        const int indexSize= currentStripIndex.size();
                        for (int index= 0; index < indexSize; ++index)
                        {
                                currentIndex.append(QString::number(currentStripIndex.at(index)));
                                currentIndex.append(' ');
                        }
                        currentIndex.remove(currentIndex.size() - 1, 1);
                        indexStrips.append(currentIndex);
                        indexStrips.append(',');
                }
                indexStrips.remove(indexStrips.size() - 1, 1);
                m_pOutStream->writeAttribute("strips", indexStrips);
        }
        if (pMesh->containsFans(lod, materialId))
        {
                QList<QVector<GLuint> > fansIndex= pMesh->getFansIndex(lod, materialId);
                QString indexFans;
                const int fanCount= fansIndex.size();
                for (int fanIndex= 0; fanIndex < fanCount; ++fanIndex)
                {
                        QVector<GLuint> currentFanIndex= fansIndex.at(fanIndex);
                        QString currentIndex;
                        const int indexSize= currentFanIndex.size();
                        for (int index= 0; index < indexSize; ++index)
                        {
                                currentIndex.append(QString::number(currentFanIndex.at(index)));
                                currentIndex.append(' ');
                        }
                        currentIndex.remove(currentIndex.size() - 1, 1);
                        indexFans.append(currentIndex);
                        indexFans.append(',');
                }
                indexFans.remove(indexFans.size() - 1, 1);
                m_pOutStream->writeAttribute("fans", indexFans);
        }

        writeSurfaceAttributes(pMesh->material(materialId));

        m_pOutStream->writeEndElement(); // Face

}

void GLC_WorldTo3dxml::writeSurfaceAttributes(const GLC_Material* pMaterial)
{
        QColor diffuseColor= pMaterial->diffuseColor();
        m_pOutStream->writeStartElement("SurfaceAttributes");
        if (m_ExportMaterial)
        {
                const QString material3dxmlId=(QString::number(m_MaterialIdToMaterialId.value(pMaterial->id())));
                m_pOutStream->writeStartElement("MaterialApplication");
                        m_pOutStream->writeAttribute("xsi:type", "MaterialApplicationType");
                        m_pOutStream->writeAttribute("mappingChannel", "0");
                        m_pOutStream->writeStartElement("MaterialId");
                                m_pOutStream->writeAttribute("id", "urn:3DXML:CATMaterialRef.3dxml#" + material3dxmlId);
                        m_pOutStream->writeEndElement(); // MaterialId
                m_pOutStream->writeEndElement(); // MaterialApplication
        }
        else
        {
                m_pOutStream->writeStartElement("Color");
                        m_pOutStream->writeAttribute("xsi:type", "RGBAColorType");
                        m_pOutStream->writeAttribute("red", QString::number(diffuseColor.redF()));
                        m_pOutStream->writeAttribute("green", QString::number(diffuseColor.greenF()));
                        m_pOutStream->writeAttribute("blue", QString::number(diffuseColor.blueF()));
                        m_pOutStream->writeAttribute("alpha", QString::number(diffuseColor.alphaF()));
                m_pOutStream->writeEndElement(); // Color
        }
        m_pOutStream->writeEndElement(); // SurfaceAttributes
}

void GLC_WorldTo3dxml::writeEdges(const GLC_Mesh* pMesh)
{
        m_pOutStream->writeStartElement("Edges");
        writeLineAttributes(pMesh->wireColor());

        GLfloatVector positionVector= pMesh->wirePositionVector();
        const int polylineCount= pMesh->wirePolylineCount();
        for (int i= 0; i < polylineCount; ++i)
        {
                m_pOutStream->writeStartElement("Polyline");
                QString polylinePosition;
                const GLuint offset= pMesh->wirePolylineOffset(i);
                const GLsizei size= pMesh->wirePolylineSize(i);
                for (GLsizei index= 0; index < size; ++index)
                {
                        const int startIndex= 3 * (offset + index);
                        polylinePosition.append(QString::number(positionVector.at(startIndex)));
                        polylinePosition.append(' ');
                        polylinePosition.append(QString::number(positionVector.at(startIndex + 1)));
                        polylinePosition.append(' ');
                        polylinePosition.append(QString::number(positionVector.at(startIndex + 2)));
                        polylinePosition.append(',');
                }
                polylinePosition.remove(polylinePosition.size() - 1, 1);
                m_pOutStream->writeAttribute("vertices", polylinePosition);
                m_pOutStream->writeEndElement(); // Polyline
        }
        m_pOutStream->writeEndElement(); // Edges
}

void GLC_WorldTo3dxml::writeLineAttributes(const QColor& color)
{
        m_pOutStream->writeStartElement("LineAttributes");
        m_pOutStream->writeAttribute("lineType", "SOLID");
        m_pOutStream->writeAttribute("thickness", "1");
                m_pOutStream->writeStartElement("Color");
                        m_pOutStream->writeAttribute("xsi:type", "RGBAColorType");
                        m_pOutStream->writeAttribute("red", QString::number(color.redF()));
                        m_pOutStream->writeAttribute("green", QString::number(color.greenF()));
                        m_pOutStream->writeAttribute("blue", QString::number(color.blueF()));
                        m_pOutStream->writeAttribute("alpha", QString::number(color.alphaF()));
                m_pOutStream->writeEndElement(); // Color
        m_pOutStream->writeEndElement(); // LineAttributes
}

void GLC_WorldTo3dxml::writeMaterial(const GLC_Material* pMaterial)
{
        const GLC_uint materialId= pMaterial->id();
        QString materialName;
        if (pMaterial->name().isEmpty())
        {
                materialName= "Material_0" + QString::number(materialId);
        }
        else
        {
                materialName= pMaterial->name();
        }


        m_MaterialIdToMaterialName.insert(materialId, materialName);

        const QString fileName= xmlFileName(materialName + "_Rendering.3DRep");
        setStreamWriterToFile(fileName);

        // Begin to write the material file
        m_pOutStream->writeStartDocument();
        m_pOutStream->writeStartElement("Osm");
                m_pOutStream->writeAttribute("xmlns", "http://www.3ds.com/xsd/osm.xsd");
                m_pOutStream->writeAttribute("xmlns:xsi", "http://www.w3.org/2001/XMLSchema-instance");
                m_pOutStream->writeAttribute("xmlns:xlink", "http://www.w3.org/1999/xlink");
                m_pOutStream->writeAttribute("xsi:schemaLocation", "http://www.3ds.com/xsd/3DXML ./osm.xsd");
                m_pOutStream->writeStartElement("Feature");
                        m_pOutStream->writeAttribute("Alias", "RenderingRootFeature");
                        m_pOutStream->writeAttribute("Id", "1");
                        m_pOutStream->writeAttribute("StartUp", "RenderingRootFeature");
                m_pOutStream->writeEndElement(); // Feature
                m_pOutStream->writeStartElement("Feature");
                        m_pOutStream->writeAttribute("Alias", "RenderingFeature");
                        m_pOutStream->writeAttribute("Id", "2");
                        m_pOutStream->writeAttribute("StartUp", "RenderingFeature");
                        m_pOutStream->writeAttribute("Aggregating", "1");

                        writeMaterialAttributtes("Filtering", "int", "1");
                        writeMaterialAttributtes("Rotation", "double", "0");
                        writeMaterialAttributtes("PreviewType", "int", "1");
                        writeMaterialAttributtes("AmbientCoef", "double", "1");
                        writeMaterialAttributtes("DiffuseCoef", "double", "1");
                        writeMaterialAttributtes("SpecularCoef", "double", "1");
                        writeMaterialAttributtes("EmissiveCoef", "double", "0");
                        writeMaterialAttributtes("AlphaTest", "boolean", "false");
                        writeMaterialAttributtes("TextureFunction", "int", "0");
                        writeMaterialAttributtes("MappingType", "int", "2");
                        writeMaterialAttributtes("Refraction", "double", "1");
                        writeMaterialAttributtes("TextureDimension", "int", "2");
                        writeMaterialAttributtes("TranslationU", "double", "0");
                        writeMaterialAttributtes("TranslationV", "double", "0");
                        writeMaterialAttributtes("FlipU", "boolean", "false");
                        writeMaterialAttributtes("FlipV", "boolean", "false");
                        writeMaterialAttributtes("WrappingModeU", "int", "1");
                        writeMaterialAttributtes("WrappingModeV", "int", "1");
                        writeMaterialAttributtes("ScaleU", "double", "1");
                        writeMaterialAttributtes("ScaleV", "double", "1");
                        writeMaterialAttributtes("Reflectivity", "double", "0.1");
                        writeMaterialAttributtes("BlendColor", "double", "[1,1,1]");

                        writeMaterialAttributtes("Transparency", "double", QString::number(1.0 - pMaterial->opacity()));
                        double specularExponent= pMaterial->shininess() / 128.0;
                        writeMaterialAttributtes("SpecularExponent", "double", QString::number(specularExponent));
                        writeMaterialAttributtes("DiffuseColor", "double", colorToString(pMaterial->diffuseColor()));
                        writeMaterialAttributtes("SpecularColor", "double", colorToString(pMaterial->specularColor()));
                        writeMaterialAttributtes("AmbientColor", "double", colorToString(pMaterial->ambientColor()));
                        writeMaterialAttributtes("EmissiveColor", "double", colorToString(pMaterial->emissiveColor()));
                        if (pMaterial->hasTexture())
                        {
                                Q_ASSERT(m_MaterialIdTo3dxmlImageId.contains(pMaterial->id()));
                                const QString imageId(QString::number(m_MaterialIdTo3dxmlImageId.value(pMaterial->id())));

                                writeMaterialAttributtes("TextureImage", "external", "urn:3DXML:CATRepImage.3dxml#" + imageId);
                        }
                m_pOutStream->writeEndElement(); // Feature
        m_pOutStream->writeEndElement(); // Osm
        m_pOutStream->writeEndDocument();
}

void GLC_WorldTo3dxml::writeMaterialAttributtes(const QString& name, const QString& type, const QString& value)
{
        m_pOutStream->writeStartElement("Attr");
                m_pOutStream->writeAttribute("Name", name);
                m_pOutStream->writeAttribute("Type", type);
                m_pOutStream->writeAttribute("Value", value);
        m_pOutStream->writeEndElement(); // Attr
}

QString GLC_WorldTo3dxml::colorToString(const QColor& color)
{
        return QString('[' + QString::number(color.redF()) + ',' + QString::number(color.greenF()) + ',' + QString::number(color.blueF()) + ']');
}

void GLC_WorldTo3dxml::writeCatRepImageFile(const QList<GLC_Material*>& materialList)
{
        unsigned int currentId= 0;
        const QString fileName("CATRepImage.3dxml");
        setStreamWriterToFile(fileName);

        // Begin to write the rep image file
        m_pOutStream->writeStartDocument();
        m_pOutStream->writeStartElement("Model_3dxml");
                m_pOutStream->writeAttribute("xmlns", "http://www.3ds.com/xsd/3DXML");
                m_pOutStream->writeAttribute("xmlns:xsi", "http://www.w3.org/2001/XMLSchema-instance");
                m_pOutStream->writeAttribute("xmlns:xlink", "http://www.w3.org/1999/xlink");
                m_pOutStream->writeAttribute("xsi:schemaLocation", "http://www.3ds.com/xsd/3DXML ./3DXML.xsd");
                writeHeader();
                m_pOutStream->writeStartElement("CATRepImage");
                        m_pOutStream->writeAttribute("root", QString::number(currentId));
                        const int size= materialList.size();
                        for (int i= 0; i < size; ++i)
                        {
                                writeCATRepresentationImage(materialList.at(i), ++currentId);
                        }
                m_pOutStream->writeEndElement(); // CATRepImage
        m_pOutStream->writeEndElement(); // Model_3dxml
        m_pOutStream->writeEndDocument();
}

void GLC_WorldTo3dxml::writeCATRepresentationImage(const GLC_Material* pMat, unsigned int id)
{
        Q_ASSERT(pMat->hasTexture());
        m_MaterialIdTo3dxmlImageId.insert(pMat->id(), id);

        const QString imageName= pMat->name();
        QString imageFileName;
        QString imageFormat;
        const QString textureFileName= pMat->textureHandle()->fileName();
        if (textureFileName.isEmpty())
        {
                imageFormat= "jpg";
                if (imageName.isEmpty())
                {
                        imageFileName= xmlFileName("textureImage." + imageFormat);
                }
                else
                {
                        imageFileName= xmlFileName(imageName + '.' + imageFormat);
                }
        }
        else
        {
                imageFormat= QFileInfo(textureFileName).suffix();
                imageFileName= xmlFileName(QFileInfo(textureFileName).fileName());
        }
        m_MaterialIdToTexture3dxmlName.insert(pMat->id(), imageFileName);

        m_pOutStream->writeStartElement("CATRepresentationImage");
                m_pOutStream->writeAttribute("xsi:type", "CATRepresentationImageType");
                m_pOutStream->writeAttribute("id", QString::number(id));
                m_pOutStream->writeAttribute("name", imageName);
                m_pOutStream->writeAttribute("format", imageFormat);
                m_pOutStream->writeAttribute("associatedFile", QString("urn:3DXML:" + imageFileName));

                m_pOutStream->writeTextElement("PLM_ExternalID", imageName);
                m_pOutStream->writeTextElement("V_PrimaryMimeType", imageFormat);
                m_pOutStream->writeTextElement("V_PrimaryFileName", imageFileName);
        m_pOutStream->writeEndElement(); // CATRepresentationImage
}

void GLC_WorldTo3dxml::writeAllMaterialRelatedFilesIn3dxml()
{
        m_MaterialIdToMaterialName.clear();
        m_MaterialIdToMaterialId.clear();
        m_MaterialIdToTexture3dxmlName.clear();
        m_MaterialIdTo3dxmlImageId.clear();

        // Get the list of material
        QList<GLC_Material*> materialList= m_World.listOfMaterials();

        // Create the list of textured material and modified material list
        QList<GLC_Material*> texturedMaterial;
        const int size= materialList.size();
        for (int i= 0; i < size; ++i)
        {
                if (materialList.at(i)->hasTexture())
                {
                        texturedMaterial.append(materialList.at(i));
                }
        }

        if (!texturedMaterial.isEmpty())
        {
                writeCatRepImageFile(texturedMaterial);
                writeImageFileIn3dxml(texturedMaterial);
        }


        // Write material 3DRep in the 3DXML
        for (int i= 0; i < size; ++i)
        {
                writeMaterial(materialList.at(i));
        }

        writeCatMaterialRef(materialList);



}
void GLC_WorldTo3dxml::writeImageFileIn3dxml(const QList<GLC_Material*>& materialList)
{
        const int size= materialList.size();
        Q_ASSERT(size == m_MaterialIdToTexture3dxmlName.size());
        for (int i= 0; i < size; ++i)
        {
                const GLC_Material* pCurrentMaterial= materialList.at(i);
                const GLC_Texture* pTexture= pCurrentMaterial->textureHandle();
                const QString imageName(m_MaterialIdToTexture3dxmlName.value(pCurrentMaterial->id()));
                // Get the texture image
                if (!pTexture->fileName().isEmpty())
                {
                        // Try to load the texture
                        QImage textureImage(pTexture->fileName());
                        if (! textureImage.isNull())
                        {
                                addImageTextureTo3dxml(textureImage, imageName);
                        }
                        else
                        {
                                addImageTextureTo3dxml(pTexture->imageOfTexture(), imageName);
                        }
                }
                else
                {
                        addImageTextureTo3dxml(pTexture->imageOfTexture(), imageName);
                }
        }

}

void GLC_WorldTo3dxml::writeCatMaterialRef(const QList<GLC_Material*>& materialList)
{
        const QString fileName("CATMaterialRef.3dxml");

        setStreamWriterToFile(fileName);

        unsigned int currentId= 0;

        // Begin to write the rep image file
        m_pOutStream->writeStartDocument();
        m_pOutStream->writeStartElement("Model_3dxml");
                m_pOutStream->writeAttribute("xmlns", "http://www.3ds.com/xsd/3DXML");
                m_pOutStream->writeAttribute("xmlns:xsi", "http://www.w3.org/2001/XMLSchema-instance");
                m_pOutStream->writeAttribute("xmlns:xlink", "http://www.w3.org/1999/xlink");
                m_pOutStream->writeAttribute("xsi:schemaLocation", "http://www.3ds.com/xsd/3DXML ./3DXML.xsd");
                writeHeader();
                m_pOutStream->writeStartElement("CATMaterialRef");
                        m_pOutStream->writeAttribute("root", QString::number(currentId));
                        const int size= materialList.size();
                        for (int i= 0; i < size; ++i)
                        {
                                writeMaterialToCatMaterialRef(materialList.at(i), &(++currentId));
                        }
                m_pOutStream->writeEndElement(); // CATMaterialRef
        m_pOutStream->writeEndElement(); // Model_3dxml
        m_pOutStream->writeEndDocument();
}

void GLC_WorldTo3dxml::writeMaterialToCatMaterialRef(const GLC_Material* pMat, unsigned int* id)
{
        const QString materialName= m_MaterialIdToMaterialName.value(pMat->id());
        m_MaterialIdToMaterialId.insert(pMat->id(), *id);

        m_pOutStream->writeStartElement("CATMatReference");
                m_pOutStream->writeAttribute("xsi:type", "CATMatReferenceType");
                m_pOutStream->writeAttribute("id", QString::number(*id));
                m_pOutStream->writeAttribute("name", materialName);
                m_pOutStream->writeTextElement("PLM_ExternalID", materialName);
        m_pOutStream->writeEndElement(); // CATMatReference

        const QString domainName= materialName + "_Rendering";
        m_pOutStream->writeStartElement("MaterialDomain");
                m_pOutStream->writeAttribute("xsi:type", "MaterialDomainType");
                m_pOutStream->writeAttribute("id", QString::number(++(*id)));
                m_pOutStream->writeAttribute("name", domainName);
                m_pOutStream->writeAttribute("format", "TECHREP");
                const QString associatedFileName("urn:3DXML:" + domainName + ".3DRep");
                m_pOutStream->writeAttribute("associatedFile", associatedFileName);
                m_pOutStream->writeAttribute("version", "1.0");
                m_pOutStream->writeTextElement("PLM_ExternalID", domainName);
                if (pMat->hasTexture())
                {
                        m_pOutStream->writeStartElement("PLMRelation");
                                m_pOutStream->writeTextElement("C_Semantics", "Reference");
                                m_pOutStream->writeTextElement("C_Role", "CATMaterialReferenceToTextureLink");
                                m_pOutStream->writeStartElement("Ids");
                                        const QString imageId(QString::number(m_MaterialIdTo3dxmlImageId.value(pMat->id())));
                                        m_pOutStream->writeTextElement("id", "urn:3DXML:CATRepImage.3dxml#" + imageId);
                                m_pOutStream->writeEndElement(); // Ids
                        m_pOutStream->writeEndElement(); // PLMRelation
                }
                m_pOutStream->writeTextElement("V_MatDomain", "Rendering");
        m_pOutStream->writeEndElement(); // MaterialDomain

        m_pOutStream->writeStartElement("MaterialDomainInstance");
                m_pOutStream->writeAttribute("xsi:type", "MaterialDomainInstanceType");
                m_pOutStream->writeAttribute("id", QString::number(++(*id)));
                m_pOutStream->writeAttribute("name", materialName + ".1");
                m_pOutStream->writeTextElement("PLM_ExternalID", materialName + ".1");
                m_pOutStream->writeTextElement("IsAggregatedBy", QString::number((*id) - 2));
                m_pOutStream->writeTextElement("IsInstanceOf", QString::number((*id) - 1));
        m_pOutStream->writeEndElement(); // MaterialDomainInstance
}

void GLC_WorldTo3dxml::addImageTextureTo3dxml(const QImage& image, const QString& fileName)
{
        delete m_pOutStream;
        m_pOutStream= NULL;

        bool success= false;
        if (NULL != m_p3dxmlArchive)
        {
                if (NULL != m_pCurrentZipFile)
                {
                        m_pCurrentZipFile->close();
                        delete m_pOutStream;
                        delete m_pCurrentZipFile;
                }
                QuaZipNewInfo quazipNewInfo(fileName);
                m_pCurrentZipFile= new QuaZipFile(m_p3dxmlArchive);
                success= m_pCurrentZipFile->open(QIODevice::WriteOnly, quazipNewInfo);
                if (success)
                {
                        image.save(m_pCurrentZipFile, QFileInfo(fileName).suffix().toAscii().constData());
                        m_pCurrentZipFile->close();
                        delete m_pCurrentZipFile;
                        m_pCurrentZipFile= NULL;
                }
        }
        else
        {
                delete m_pCurrentFile;
                m_pCurrentFile= new QFile(m_AbsolutePath + fileName);
                success= m_pCurrentFile->open(QIODevice::WriteOnly);
                if (success)
                {
                        image.save(m_pCurrentFile, QFileInfo(fileName).suffix().toAscii().constData());
                        delete m_pCurrentFile;
                        m_pCurrentFile= NULL;
                }
        }
}

QString GLC_WorldTo3dxml::xmlFileName(const QString& fileName)
{
        QString newName;
        if (!m_3dxmlFileSet.contains(fileName))
        {
                m_3dxmlFileSet << fileName;
                newName= fileName;
        }
        else
        {
                newName= QFileInfo(fileName).completeBaseName() + QString::number(++m_FileNameIncrement) + '.' + QFileInfo(fileName).suffix();
        }
        return newName;
}

void GLC_WorldTo3dxml::writeExtensionAttributes(GLC_Attributes* pAttributes)
{
        QList<QString> attributesNames= pAttributes->names();
        const int size= attributesNames.size();
        for (int i= 0; i < size; ++i)
        {
                const QString name= attributesNames.at(i);
                const QString value= pAttributes->value(name);
                m_pOutStream->writeStartElement("Attribute");
                        m_pOutStream->writeAttribute("name", name);
                        m_pOutStream->writeAttribute("value", value);
                m_pOutStream->writeEndElement(); // Attribute
        }
}

void GLC_WorldTo3dxml::writeOccurenceDefaultViewProperty(const GLC_StructOccurence* pOccurence)
{
        GLC_3DViewInstance* pInstance= m_World.collection()->instanceHandle(pOccurence->id());
        Q_ASSERT(NULL != pInstance);
        const bool isVisible= pOccurence->isVisible();
        const unsigned int occurrenceId= pOccurence->occurenceNumber();
        m_pOutStream->writeStartElement("DefaultViewProperty");
        m_pOutStream->writeTextElement("OccurenceId", QString::number(occurrenceId));
        m_pOutStream->writeStartElement("GraphicProperties");
        m_pOutStream->writeAttribute("xsi:type", "GraphicPropertiesType");
        if (! isVisible)
        {
                m_pOutStream->writeStartElement("GeneralAttributes");
                        m_pOutStream->writeAttribute("xsi:type", "GeneralAttributesType");
                        m_pOutStream->writeAttribute("visible", "false");
                        m_pOutStream->writeAttribute("selectable", "true");
                m_pOutStream->writeEndElement(); // GeneralAttributes
        }
        if (!pInstance->renderPropertiesHandle()->isDefault())
        {
                const GLC_RenderProperties* pProperties= pInstance->renderPropertiesHandle();
                if (pProperties->overwriteTransparency() != -1.0f)
                {
                        m_pOutStream->writeStartElement("SurfaceAttributes");
                        m_pOutStream->writeAttribute("xsi:type", "SurfaceAttributesType");
                                m_pOutStream->writeStartElement("Color");
                                        m_pOutStream->writeAttribute("xsi:type", "RGBAColorType");
                                        m_pOutStream->writeAttribute("red", "-1");
                                        m_pOutStream->writeAttribute("green", "-1");
                                        m_pOutStream->writeAttribute("blue", "-1");
                                        m_pOutStream->writeAttribute("alpha", QString::number(pProperties->overwriteTransparency()));
                                m_pOutStream->writeEndElement(); // Color
                        m_pOutStream->writeEndElement(); // SurfaceAttributes
                }
        }
        m_pOutStream->writeEndElement(); // GraphicProperties
        m_pOutStream->writeEndElement(); // DefaultViewProperty
}

bool GLC_WorldTo3dxml::continu()
{
        bool continuValue= true;
        if (NULL != m_pReadWriteLock)
        {
                Q_ASSERT(NULL != m_pIsInterupted);
                m_pReadWriteLock->lockForRead();
                continuValue= !(*m_pIsInterupted);
                m_pReadWriteLock->unlock();
        }
        return continuValue;
}