286 lines
8.8 KiB
C++
286 lines
8.8 KiB
C++
/*
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Open Asset Import Library (assimp)
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----------------------------------------------------------------------
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Copyright (c) 2006-2017, assimp team
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All rights reserved.
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Redistribution and use of this software in source and binary forms,
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with or without modification, are permitted provided that the
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following conditions are met:
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* Redistributions of source code must retain the above
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copyright notice, this list of conditions and the
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following disclaimer.
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* Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the
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following disclaimer in the documentation and/or other
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materials provided with the distribution.
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* Neither the name of the assimp team, nor the names of its
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contributors may be used to endorse or promote products
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derived from this software without specific prior
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written permission of the assimp team.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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----------------------------------------------------------------------
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*/
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#ifndef ASSIMP_BUILD_NO_EXPORT
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#ifndef ASSIMP_BUILD_NO_3MF_EXPORTER
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#include "D3MFExporter.h"
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#include <assimp/scene.h>
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#include <assimp/IOSystem.hpp>
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#include <assimp/IOStream.hpp>
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#include <assimp/Exporter.hpp>
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#include <assimp/DefaultLogger.hpp>
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#include "Exceptional.h"
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#include "3MFXmlTags.h"
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#include "D3MFOpcPackage.h"
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#include <contrib/zip/src/zip.h>
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namespace Assimp {
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void ExportScene3MF( const char* pFile, IOSystem* pIOSystem, const aiScene* pScene, const ExportProperties* /*pProperties*/ ) {
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if ( nullptr == pIOSystem ) {
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throw DeadlyExportError( "Could not export 3MP archive: " + std::string( pFile ) );
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}
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D3MF::D3MFExporter myExporter( pFile, pScene );
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if ( myExporter.validate() ) {
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bool ok = myExporter.exportArchive(pFile);
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if ( !ok ) {
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throw DeadlyExportError( "Could not export 3MP archive: " + std::string( pFile ) );
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}
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}
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}
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namespace D3MF {
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D3MFExporter::D3MFExporter( const char* pFile, const aiScene* pScene )
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: mArchiveName( pFile )
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, m_zipArchive( nullptr )
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, mScene( pScene )
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, mBuildItems()
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, mRelations() {
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// empty
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}
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D3MFExporter::~D3MFExporter() {
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for ( size_t i = 0; i < mRelations.size(); ++i ) {
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delete mRelations[ i ];
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}
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mRelations.clear();
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}
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bool D3MFExporter::validate() {
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if ( mArchiveName.empty() ) {
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return false;
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}
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if ( nullptr == mScene ) {
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return false;
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}
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return true;
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}
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bool D3MFExporter::exportArchive( const char *file ) {
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bool ok( true );
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m_zipArchive = zip_open( file, ZIP_DEFAULT_COMPRESSION_LEVEL, 'w' );
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if ( nullptr == m_zipArchive ) {
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return false;
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}
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ok |= export3DModel();
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ok |= exportRelations();
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zip_close( m_zipArchive );
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m_zipArchive = nullptr;
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return ok;
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}
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bool D3MFExporter::exportRelations() {
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mRelOutput.clear();
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mRelOutput << "<?xml version = \"1.0\" encoding = \"UTF-8\"?>\n";
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mRelOutput << "<Relationships xmlns=\"http://schemas.openxmlformats.org/package/2006/relationships\">\n";
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for ( size_t i = 0; i < mRelations.size(); ++i ) {
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mRelOutput << "<Relationship Target =\"/3D/" << mRelations[ i ]->target << "\" ";
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mRelOutput << "id=\"" << mRelations[i]->id << "\" ";
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mRelOutput << "Type=\"" << mRelations[ i ]->type << "/>";
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mRelOutput << std::endl;
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}
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mRelOutput << "</Relationships>";
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mRelOutput << std::endl;
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writeRelInfoToFile( "_rels", ".rels" );
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mRelOutput.flush();
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return true;
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}
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bool D3MFExporter::export3DModel() {
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mModelOutput.clear();
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writeHeader();
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mModelOutput << "<" << XmlTag::model << " " << XmlTag::model_unit << "=\"millimeter\""
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<< "xmlns=\"http://schemas.microsoft.com/3dmanufacturing/core/2015/02\">"
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<< std::endl;
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mModelOutput << "<" << XmlTag::resources << ">";
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mModelOutput << std::endl;
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writeObjects();
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mModelOutput << "</" << XmlTag::resources << ">";
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mModelOutput << std::endl;
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writeBuild();
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mModelOutput << "</" << XmlTag::model << ">\n";
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OpcPackageRelationship *info = new OpcPackageRelationship;
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info->id = mArchiveName;
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info->target = "rel0";
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info->type = "http://schemas.microsoft.com/3dmanufacturing/2013/01/3dmodel";
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mRelations.push_back( info );
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writeModelToArchive( "3D", "3DModel.model" );
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mModelOutput.flush();
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return true;
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}
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void D3MFExporter::writeHeader() {
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mModelOutput << "<?xml version=\"1.0\" encoding=\"UTF - 8\"?>";
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mModelOutput << std::endl;
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}
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void D3MFExporter::writeObjects() {
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if ( nullptr == mScene->mRootNode ) {
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return;
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}
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aiNode *root = mScene->mRootNode;
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for ( unsigned int i = 0; i < root->mNumChildren; ++i ) {
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aiNode *currentNode( root->mChildren[ i ] );
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if ( nullptr == currentNode ) {
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continue;
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}
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mModelOutput << "<" << XmlTag::object << " id=\"" << currentNode->mName.C_Str() << "\" type=\"model\">";
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mModelOutput << std::endl;
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for ( unsigned int j = 0; j < currentNode->mNumMeshes; ++j ) {
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aiMesh *currentMesh = mScene->mMeshes[ currentNode->mMeshes[ j ] ];
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if ( nullptr == currentMesh ) {
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continue;
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}
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writeMesh( currentMesh );
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}
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mBuildItems.push_back( i );
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mModelOutput << "</" << XmlTag::object << ">";
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mModelOutput << std::endl;
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}
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}
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void D3MFExporter::writeMesh( aiMesh *mesh ) {
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if ( nullptr == mesh ) {
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return;
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}
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mModelOutput << "<" << XmlTag::mesh << ">" << std::endl;
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mModelOutput << "<" << XmlTag::vertices << ">" << std::endl;
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for ( unsigned int i = 0; i < mesh->mNumVertices; ++i ) {
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writeVertex( mesh->mVertices[ i ] );
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}
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mModelOutput << "</" << XmlTag::vertices << ">" << std::endl;
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mModelOutput << "</" << XmlTag::mesh << ">" << std::endl;
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writeFaces( mesh );
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}
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void D3MFExporter::writeVertex( const aiVector3D &pos ) {
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mModelOutput << "<" << XmlTag::vertex << " x=\"" << pos.x << "\" y=\"" << pos.y << "\" z=\"" << pos.z << "\">";
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mModelOutput << std::endl;
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}
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void D3MFExporter::writeFaces( aiMesh *mesh ) {
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if ( nullptr == mesh ) {
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return;
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}
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if ( !mesh->HasFaces() ) {
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return;
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}
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mModelOutput << "<" << XmlTag::triangles << ">" << std::endl;
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for ( unsigned int i = 0; i < mesh->mNumFaces; ++i ) {
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aiFace ¤tFace = mesh->mFaces[ i ];
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mModelOutput << "<" << XmlTag::triangle << " v1=\"" << currentFace.mIndices[ 0 ] << "\" v2=\""
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<< currentFace.mIndices[ 1 ] << "\" v3=\"" << currentFace.mIndices[ 2 ] << "\"/>";
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mModelOutput << std::endl;
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}
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mModelOutput << "</" << XmlTag::triangles << ">";
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mModelOutput << std::endl;
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}
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void D3MFExporter::writeBuild() {
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mModelOutput << "<" << XmlTag::build << ">" << std::endl;
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for ( size_t i = 0; i < mBuildItems.size(); ++i ) {
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mModelOutput << "<" << XmlTag::item << " objectid=\"" << i + 1 << "\"/>";
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mModelOutput << std::endl;
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}
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mModelOutput << "</" << XmlTag::build << ">";
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mModelOutput << std::endl;
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}
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void D3MFExporter::writeModelToArchive( const std::string &folder, const std::string &modelName ) {
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if ( nullptr == m_zipArchive ) {
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throw DeadlyExportError( "3MF-Export: Zip archive not valid, nullptr." );
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}
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const std::string entry = folder + "/" + modelName;
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zip_entry_open( m_zipArchive, entry.c_str() );
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const std::string &exportTxt( mModelOutput.str() );
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zip_entry_write( m_zipArchive, exportTxt.c_str(), exportTxt.size() );
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zip_entry_close( m_zipArchive );
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}
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void D3MFExporter::writeRelInfoToFile( const std::string &folder, const std::string &relName ) {
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if ( nullptr == m_zipArchive ) {
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throw DeadlyExportError( "3MF-Export: Zip archive not valid, nullptr." );
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}
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const std::string entry = folder + "/" + relName;
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zip_entry_open( m_zipArchive, entry.c_str() );
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const std::string &exportTxt( mRelOutput.str() );
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zip_entry_write( m_zipArchive, exportTxt.c_str(), exportTxt.size() );
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zip_entry_close( m_zipArchive );
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}
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} // Namespace D3MF
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} // Namespace Assimp
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#endif // ASSIMP_BUILD_NO3MF_EXPORTER
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#endif // ASSIMP_BUILD_NO_EXPORT
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