3MF: Export initial commit.

code/3DSExporter.cpp

@@ -210,6 +210,12 @@ Discreet3DSExporter:: Discreet3DSExporter(std::shared_ptr<IOStream> outfile, con
     }
 }
 
+// ------------------------------------------------------------------------------------------------
+Discreet3DSExporter::~Discreet3DSExporter() {
+    // empty
+}
+
+
 // ------------------------------------------------------------------------------------------------
 int Discreet3DSExporter::WriteHierarchy(const aiNode& node, int seq, int sibling_level)
 {

code/3DSExporter.h

@@ -60,23 +60,21 @@ namespace Assimp
 {
 
 // ------------------------------------------------------------------------------------------------
-/** Helper class to export a given scene to a 3DS file. */
+/**
+ *  @brief  Helper class to export a given scene to a 3DS file.
+ */
 // ------------------------------------------------------------------------------------------------
-class Discreet3DSExporter
+class Discreet3DSExporter {
-{
 public:
     Discreet3DSExporter(std::shared_ptr<IOStream> outfile, const aiScene* pScene);
+    ~Discreet3DSExporter();
 
 private:
-
     void WriteMeshes();
     void WriteMaterials();
     void WriteTexture(const aiMaterial& mat, aiTextureType type, uint16_t chunk_flags);
-
     void WriteFaceMaterialChunk(const aiMesh& mesh);
-
     int WriteHierarchy(const aiNode& node, int level, int sibling_level);
-
     void WriteString(const std::string& s);
     void WriteString(const aiString& s);
     void WriteColor(const aiColor3D& color);
@@ -84,7 +82,6 @@ private:
     void WritePercentChunk(double f);
 
 private:
-
     const aiScene* const scene;
     StreamWriterLE writer;
 
@@ -95,6 +92,6 @@ private:
 
 };
 
-}
+} // Namespace Assimp
 
-#endif
+#endif // AI_3DSEXPORTER_H_INC

code/3MFXmlTags.h

@@ -0,0 +1,73 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2017, assimp team
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+copyright notice, this list of conditions and the
+following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the
+following disclaimer in the documentation and/or other
+materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+contributors may be used to endorse or promote products
+derived from this software without specific prior
+written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+#pragma once
+
+namespace Assimp {
+namespace D3MF {
+
+namespace XmlTag {
+    static const std::string model = "model";
+    static const std::string model_unit = "unit";
+    static const std::string metadata = "metadata";
+    static const std::string resources = "resources";
+    static const std::string object = "object";
+    static const std::string mesh = "mesh";
+    static const std::string vertices = "vertices";
+    static const std::string vertex = "vertex";
+    static const std::string triangles = "triangles";
+    static const std::string triangle = "triangle";
+    static const std::string x = "x";
+    static const std::string y = "y";
+    static const std::string z = "z";
+    static const std::string v1 = "v1";
+    static const std::string v2 = "v2";
+    static const std::string v3 = "v3";
+    static const std::string id = "id";
+    static const std::string name = "name";
+    static const std::string type = "type";
+    static const std::string build = "build";
+    static const std::string item = "item";
+    static const std::string objectid = "objectid";
+    static const std::string transform = "transform";
+}
+
+}
+}

code/CMakeLists.txt

@@ -677,8 +677,11 @@ ADD_ASSIMP_IMPORTER( GLTF
 ADD_ASSIMP_IMPORTER( 3MF
     D3MFImporter.h
     D3MFImporter.cpp
+    D3MFExporter.h
+    D3MFExporter.cpp
     D3MFOpcPackage.h
     D3MFOpcPackage.cpp
+    3MFXmlTags.h
 )
 
 ADD_ASSIMP_IMPORTER( MMD

code/D3MFExporter.cpp

@@ -0,0 +1,181 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2017, assimp team
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+copyright notice, this list of conditions and the
+following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the
+following disclaimer in the documentation and/or other
+materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+contributors may be used to endorse or promote products
+derived from this software without specific prior
+written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+#include "D3MFExporter.h"
+#include <assimp/scene.h>
+#include <assimp/IOSystem.hpp>
+#include <assimp//IOStream.hpp>
+#include <assimp/Exporter.hpp>
+
+#include <assimp/DefaultLogger.hpp>
+
+#include "Exceptional.h"
+#include "3MFXmlTags.h"
+
+namespace Assimp {
+namespace D3MF {
+
+void ExportScene3MF( const char* pFile, IOSystem* pIOSystem, const aiScene* pScene, const ExportProperties* /*pProperties*/ ) {
+    std::shared_ptr<IOStream> outfile( pIOSystem->Open( pFile, "wb" ) );
+    if ( !outfile ) {
+        throw DeadlyExportError( "Could not open output .3ds file: " + std::string( pFile ) );
+    }
+
+    D3MFExporter myExporter( outfile, pScene );
+    if ( myExporter.validate() ) {
+        bool ok = myExporter.exportAsset();
+    }
+}
+
+D3MFExporter::D3MFExporter( std::shared_ptr<IOStream> outfile, const aiScene* pScene )
+: mStream( outfile.get() )
+, mScene( pScene )
+, mBuildItems() {
+    // empty
+}
+
+D3MFExporter::~D3MFExporter() {
+    // empty
+}
+
+bool D3MFExporter::validate() {
+    if ( nullptr == mStream ) {
+        return false;
+    }
+
+    if ( nullptr == mScene ) {
+        return false;
+    }
+
+    return true;
+}
+
+bool D3MFExporter::exportAsset() {
+    writeHeader();
+    mOutput << "<" << XmlTag::model << " " << XmlTag::model_unit << "=\"millimeter\""
+            << "xmlns=\"http://schemas.microsoft.com/3dmanufacturing/core/2015/02\">"
+            << "\n";
+    mOutput << "<" << XmlTag::resources << ">\n";
+
+    writeObjects();
+
+    mOutput << "</" << XmlTag::resources << ">\n";
+    writeBuild();
+
+    mOutput << "</" << XmlTag::model << ">\n";
+}
+
+void D3MFExporter::writeHeader() {
+    mOutput << "<?xml version=\"1.0\" encoding=\"UTF - 8\"?>" << "\n";
+}
+
+void D3MFExporter::writeObjects() {
+    if ( nullptr == mScene->mRootNode ) {
+        return;
+    }
+
+    aiNode *root = mScene->mRootNode;
+    for ( unsigned int i = 0; i < root->mNumChildren; ++i ) {
+        aiNode *currentNode( root->mChildren[ i ] );
+        if ( nullptr == currentNode ) {
+            continue;
+        }
+        mOutput << "<" << XmlTag::object << " id=\"" << currentNode->mName.C_Str() << "\" type=\"model\">\n";
+        for ( unsigned int j = 0; j < currentNode->mNumMeshes; ++j ) {
+            aiMesh *currentMesh = mScene->mMeshes[ currentNode->mMeshes[ j ] ];
+            if ( nullptr == currentMesh ) {
+                continue;
+            }
+            writeMesh( currentMesh );
+        }
+        mBuildItems.push_back( i );
+
+        mOutput << "</" << XmlTag::object << ">\n";
+    }
+}
+
+void D3MFExporter::writeMesh( aiMesh *mesh ) {
+    if ( nullptr == mesh ) {
+        return;
+    }
+
+    mOutput << "<" << XmlTag::mesh << ">\n";
+    mOutput << "<" << XmlTag::vertices << ">\n";
+    for ( unsigned int i = 0; i < mesh->mNumVertices; ++i ) {
+        writeVertex( mesh->mVertices[ i ] );
+    }
+    mOutput << "</" << XmlTag::vertices << ">\n";
+    mOutput << "</" << XmlTag::mesh << ">\n";
+
+    writeFaces( mesh );
+}
+
+void D3MFExporter::writeVertex( const aiVector3D &pos ) {
+    mOutput << "<" << XmlTag::vertex << " x=\"" << pos.x << "\" y=\"" << pos.y << "\" z=\"" << pos.z << "\">\n";
+}
+
+void D3MFExporter::writeFaces( aiMesh *mesh ) {
+    if ( nullptr == mesh ) {
+        return;
+    }
+
+    if ( !mesh->HasFaces() ) {
+        return;
+    }
+    mOutput << "<" << XmlTag::triangles << ">\n";
+    for ( unsigned int i = 0; i < mesh->mNumFaces; ++i ) {
+        aiFace &currentFace = mesh->mFaces[ i ];
+        mOutput << "<" << XmlTag::triangle << " v1=\"" << currentFace.mIndices[ 0 ] << "\" v2=\""
+                << currentFace.mIndices[ 1 ] << "\" v3=\"" << currentFace.mIndices[ 2 ] << "\"/>\n";
+    }
+    mOutput << "</" << XmlTag::triangles << ">\n";
+}
+
+void D3MFExporter::writeBuild() {
+    mOutput << "<" << XmlTag::build << ">\n";
+
+    for ( size_t i = 0; i < mBuildItems.size(); ++i ) {
+        mOutput << "<" << XmlTag::item << " objectid=\"" << i + 1 << "\"/>\n";
+    }
+    mOutput << "</" << XmlTag::build << ">\n";
+}
+
+}
+} // Namespace Assimp

code/D3MFExporter.h

@@ -0,0 +1,83 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2017, assimp team
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms,
+with or without modification, are permitted provided that the
+following conditions are met:
+
+* Redistributions of source code must retain the above
+copyright notice, this list of conditions and the
+following disclaimer.
+
+* Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the
+following disclaimer in the documentation and/or other
+materials provided with the distribution.
+
+* Neither the name of the assimp team, nor the names of its
+contributors may be used to endorse or promote products
+derived from this software without specific prior
+written permission of the assimp team.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+----------------------------------------------------------------------
+*/
+#pragma once
+
+#include <memory>
+#include <sstream>
+#include <vector>
+#include <assimp/vector3.h>
+
+struct aiScene;
+struct aiNode;
+struct aiMaterial;
+struct aiMesh;
+
+namespace Assimp {
+
+class IOStream;
+
+namespace D3MF {
+
+class D3MFExporter {
+public:
+    D3MFExporter( std::shared_ptr<IOStream> outfile, const aiScene* pScene );
+    ~D3MFExporter();
+    bool validate();
+    bool exportAsset();
+
+protected:
+    void writeHeader();
+    void writeObjects();
+    void writeMesh( aiMesh *mesh );
+    void writeVertex( const aiVector3D &pos );
+    void writeFaces( aiMesh *mesh );
+    void writeBuild();
+
+private:
+    IOStream *mStream;
+    const aiScene *mScene;
+    std::ostringstream mOutput;
+    std::vector<unsigned int> mBuildItems;
+};
+
+}
+} // Namespace Assimp
+

code/D3MFImporter.cpp

@@ -59,45 +59,22 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #include "D3MFOpcPackage.h"
 #include <contrib/unzip/unzip.h>
 #include "irrXMLWrapper.h"
+#include "3MFXmlTags.h"
 
 namespace Assimp {
 namespace D3MF {
 
-namespace XmlTag {
+class XmlSerializer {
-    static const std::string model     = "model";
-    static const std::string metadata  = "metadata";
-    static const std::string resources = "resources";
-    static const std::string object    = "object";
-    static const std::string mesh      = "mesh";
-    static const std::string vertices  = "vertices";
-    static const std::string vertex    = "vertex";
-    static const std::string triangles = "triangles";
-    static const std::string triangle  = "triangle";
-    static const std::string x         = "x";
-    static const std::string y         = "y";
-    static const std::string z         = "z";
-    static const std::string v1        = "v1";
-    static const std::string v2        = "v2";
-    static const std::string v3        = "v3";
-    static const std::string id        = "id";
-    static const std::string name      = "name";
-    static const std::string type      = "type";
-    static const std::string build     = "build";
-    static const std::string item      = "item";
-    static const std::string objectid  = "objectid";
-    static const std::string transform = "transform";
-}
-
-
-class XmlSerializer
-{
 public:
     XmlSerializer(XmlReader* xmlReader)
-        : xmlReader(xmlReader)
+    : xmlReader(xmlReader) {
-    {
 		// empty
     }
 
+    ~XmlSerializer() {
+
+    }
+
     void ImportXml(aiScene* scene) {
         scene->mRootNode = new aiNode();
         std::vector<aiNode*> children;
@@ -115,8 +92,9 @@ public:
             }
         }
 
-        if(scene->mRootNode->mName.length == 0)
+        if ( scene->mRootNode->mName.length == 0 ) {
             scene->mRootNode->mName.Set( "3MF" );
+        }
 
 
         scene->mNumMeshes = static_cast<unsigned int>(meshes.size());
@@ -178,10 +156,8 @@ private:
 
     }
 
-    aiMesh* ReadMesh()
+    aiMesh* ReadMesh() {
-    {
         aiMesh* mesh = new aiMesh();
-
         while(ReadToEndElement(D3MF::XmlTag::mesh))
         {
             if(xmlReader->getNodeName() == D3MF::XmlTag::vertices)
@@ -192,10 +168,8 @@ private:
             {
                 ImportTriangles(mesh);
             }
-
         }
 
-
         return mesh;
     }
 
@@ -216,6 +190,7 @@ private:
         std::copy(vertices.begin(), vertices.end(), mesh->mVertices);
 
     }
+
     aiVector3D ReadVertex()
     {
         aiVector3D vertex;
@@ -261,7 +236,6 @@ private:
     }
 
 private:
-
     bool ReadToStartElement(const std::string& startTag)
     {
         while(xmlReader->read())
@@ -305,6 +279,7 @@ private:
 
 } //namespace D3MF
 
+static const std::string Extension = "3mf";
 
 static const aiImporterDesc desc = {
     "3mf Importer",
@@ -316,24 +291,22 @@ static const aiImporterDesc desc = {
     0,
     0,
     0,
-    "3mf"
+    Extension.c_str()
 };
 
 
 D3MFImporter::D3MFImporter()
-{
+: BaseImporter() {
-
+    // empty
 }
 
-D3MFImporter::~D3MFImporter()
+D3MFImporter::~D3MFImporter() {
-{
+    // empty
-
 }
 
-bool D3MFImporter::CanRead(const std::string &pFile, IOSystem *pIOHandler, bool checkSig) const
+bool D3MFImporter::CanRead(const std::string &pFile, IOSystem *pIOHandler, bool checkSig) const {
-{
     const std::string extension = GetExtension(pFile);
-    if(extension == "3mf") {
+    if(extension == Extension ) {
         return true;
     } else if ( !extension.length() || checkSig ) {
         if (nullptr == pIOHandler ) {
@@ -344,18 +317,15 @@ bool D3MFImporter::CanRead(const std::string &pFile, IOSystem *pIOHandler, bool
     return false;
 }
 
-void D3MFImporter::SetupProperties(const Importer */*pImp*/)
+void D3MFImporter::SetupProperties(const Importer * /*pImp*/) {
-{
+    // empty
-
 }
 
-const aiImporterDesc *D3MFImporter::GetInfo() const
+const aiImporterDesc *D3MFImporter::GetInfo() const {
-{
     return &desc;
 }
 
-void D3MFImporter::InternReadFile(const std::string &pFile, aiScene *pScene, IOSystem *pIOHandler)
+void D3MFImporter::InternReadFile(const std::string &pFile, aiScene *pScene, IOSystem *pIOHandler) {
-{
     D3MF::D3MFOpcPackage opcPackage(pIOHandler, pFile);
 
     std::unique_ptr<CIrrXML_IOStreamReader> xmlStream(new CIrrXML_IOStreamReader(opcPackage.RootStream()));

code/D3MFImporter.h

@@ -46,21 +46,19 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 namespace Assimp {
 
-class D3MFImporter : public BaseImporter
+class D3MFImporter : public BaseImporter {
-{
 public:
+    // BaseImporter interface
     D3MFImporter();
     ~D3MFImporter();
-
-    // BaseImporter interface
-public:
     bool CanRead(const std::string &pFile, IOSystem *pIOHandler, bool checkSig) const;
     void SetupProperties(const Importer *pImp);
     const aiImporterDesc *GetInfo() const;
 
 protected:
     void InternReadFile(const std::string &pFile, aiScene *pScene, IOSystem *pIOHandler);
-
 };
-}
+
+} // Namespace Assimp
+
 #endif // AI_D3MFLOADER_H_INCLUDED

code/D3MFOpcPackage.cpp

@@ -80,23 +80,14 @@ namespace XmlTag {
 }
 
 class IOSystem2Unzip {
-
 public:
-
     static voidpf open(voidpf opaque, const char* filename, int mode);
-
     static uLong read(voidpf opaque, voidpf stream, void* buf, uLong size);
-
     static uLong write(voidpf opaque, voidpf stream, const void* buf, uLong size);
-
     static long tell(voidpf opaque, voidpf stream);
-
     static long seek(voidpf opaque, voidpf stream, uLong offset, int origin);
-
     static int close(voidpf opaque, voidpf stream);
-
     static int testerror(voidpf opaque, voidpf stream);
-
     static zlib_filefunc_def get(IOSystem* pIOHandler);
 };
 
@@ -257,43 +248,27 @@ void ZipFile::Flush() {
 }
 
 
-class D3MFZipArchive : public IOSystem
+class D3MFZipArchive : public IOSystem {
-{
 public:
-
     static const unsigned int FileNameSize = 256;
 
-public:
-
     D3MFZipArchive(IOSystem* pIOHandler, const std::string & rFile);
-
     ~D3MFZipArchive();
-
     bool Exists(const char* pFile) const;
-
     char getOsSeparator() const;
-
     IOStream* Open(const char* pFile, const char* pMode = "rb");
-
     void Close(IOStream* pFile);
-
     bool isOpen() const;
-
     void getFileList(std::vector<std::string> &rFileList);
 
 private:
-
     bool mapArchive();
 
 private:
-
     unzFile m_ZipFileHandle;
-
     std::map<std::string, ZipFile*> m_ArchiveMap;
-
 };
 
-
 // ------------------------------------------------------------------------------------------------
 //  Constructor.
 D3MFZipArchive::D3MFZipArchive(IOSystem* pIOHandler, const std::string& rFile)

code/D3MFOpcPackage.h

@@ -56,15 +56,15 @@ typedef std::shared_ptr<XmlReader> XmlReaderPtr;
 
 class D3MFZipArchive;
 
-class D3MFOpcPackage
+class D3MFOpcPackage {
-{
 public:
     D3MFOpcPackage(IOSystem* pIOHandler, const std::string& rFile);
     ~D3MFOpcPackage();
-
     IOStream* RootStream() const;
-private:
+
+protected:
     std::string ReadPackageRootRelationship(IOStream* stream);
+
 private:
     IOStream* m_RootStream;
     std::unique_ptr<D3MFZipArchive> zipArchive;

code/irrXMLWrapper.h

@@ -70,9 +70,7 @@ namespace Assimp    {
  * }
  * @endcode
  **/
-class CIrrXML_IOStreamReader
+class CIrrXML_IOStreamReader : public irr::io::IFileReadCallBack {
-    : public irr::io::IFileReadCallBack
-{
 public:
 
     // ----------------------------------------------------------------------------------