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Tarion 2026-07-03 03:41:25 +02:00
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168
vendor/assimp/code/AssetLib/3MF/3MFTypes.h vendored Normal file
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/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------
Copyright (c) 2006-2026, 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 <assimp/vector3.h>
#include <assimp/matrix4x4.h>
#include <assimp/ParsingUtils.h>
#include <vector>
#include <string>
struct aiMaterial;
struct aiMesh;
namespace Assimp:: D3MF {
enum class ResourceType {
RT_Object,
RT_BaseMaterials,
RT_EmbeddedTexture2D,
RT_Texture2DGroup,
RT_ColorGroup,
RT_Unknown
}; // To be extended with other resource types (eg. material extension resources like Texture2d, Texture2dGroup...)
class Resource {
public:
int mId;
explicit Resource(int id) : mId(id) {
// empty
}
virtual ~Resource() = default;
virtual ResourceType getType() const {
return ResourceType::RT_Unknown;
}
};
class EmbeddedTexture final : public Resource {
public:
std::string mPath;
std::string mContentType;
std::string mTilestyleU;
std::string mTilestyleV;
std::vector<char> mBuffer;
explicit EmbeddedTexture(int id) : Resource(id) {
// empty
}
~EmbeddedTexture() override = default;
ResourceType getType() const override {
return ResourceType::RT_EmbeddedTexture2D;
}
};
class Texture2DGroup final : public Resource {
public:
std::vector<aiVector2D> mTex2dCoords;
int mTexId;
explicit Texture2DGroup(int id) : Resource(id), mTexId(-1) {
// empty
}
~Texture2DGroup() override = default;
ResourceType getType() const override {
return ResourceType::RT_Texture2DGroup;
}
};
class ColorGroup final : public Resource {
public:
std::vector<aiColor4D> mColors;
explicit ColorGroup(int id) : Resource(id) {
// empty
}
~ColorGroup() override = default;
ResourceType getType() const override {
return ResourceType::RT_ColorGroup;
}
};
class BaseMaterials final : public Resource {
public:
std::vector<unsigned int> mMaterialIndex;
explicit BaseMaterials(int id) : Resource(id) {
// empty
}
~BaseMaterials() override = default;
ResourceType getType() const override {
return ResourceType::RT_BaseMaterials;
}
};
struct Component {
int mObjectId;
aiMatrix4x4 mTransformation;
};
class Object final : public Resource {
public:
std::vector<aiMesh *> mMeshes;
std::vector<unsigned int> mMeshIndex;
std::vector<Component> mComponents;
std::string mName;
explicit Object(int id) :
Resource(id),
mName(std::string("Object_") + ai_to_string(id)) {
// empty
}
~Object() override = default;
ResourceType getType() const override {
return ResourceType::RT_Object;
}
};
} // namespace Assimp::D3MF

119
vendor/assimp/code/AssetLib/3MF/3MFXmlTags.h vendored Normal file
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/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------
Copyright (c) 2006-2026, 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::D3MF::XmlTag {
// Root tag
constexpr char RootTag[] = "3MF";
// Meta-data
constexpr char meta[] = "metadata";
constexpr char meta_name[] = "name";
// Model-data specific tags
constexpr char model[] = "model";
constexpr char model_unit[] = "unit";
constexpr char metadata[] = "metadata";
constexpr char resources[] = "resources";
constexpr char object[] = "object";
constexpr char mesh[] = "mesh";
constexpr char components[] = "components";
constexpr char component[] = "component";
constexpr char vertices[] = "vertices";
constexpr char vertex[] = "vertex";
constexpr char triangles[] = "triangles";
constexpr char triangle[] = "triangle";
constexpr char x[] = "x";
constexpr char y[] = "y";
constexpr char z[] = "z";
constexpr char v1[] = "v1";
constexpr char v2[] = "v2";
constexpr char v3[] = "v3";
constexpr char id[] = "id";
constexpr char pid[] = "pid";
constexpr char pindex[] = "pindex";
constexpr char p1[] = "p1";
constexpr char p2[] = "p2";
constexpr char p3[] = "p3";
constexpr char name[] = "name";
constexpr char type[] = "type";
constexpr char build[] = "build";
constexpr char item[] = "item";
constexpr char objectid[] = "objectid";
constexpr char transform[] = "transform";
constexpr char path[] = "path";
// Material definitions
constexpr char basematerials[] = "basematerials";
constexpr char basematerials_base[] = "base";
constexpr char basematerials_name[] = "name";
constexpr char basematerials_displaycolor[] = "displaycolor";
constexpr char texture_2d[] = "m:texture2d";
constexpr char texture_group[] = "m:texture2dgroup";
constexpr char texture_content_type[] = "contenttype";
constexpr char texture_tilestyleu[] = "tilestyleu";
constexpr char texture_tilestylev[] = "tilestylev";
constexpr char texture_2d_coord[] = "m:tex2coord";
constexpr char texture_cuurd_u[] = "u";
constexpr char texture_cuurd_v[] = "v";
// vertex color definitions
constexpr char colorgroup[] = "m:colorgroup";
constexpr char color_item[] = "m:color";
constexpr char color_value[] = "color";
// Meta info tags
constexpr char CONTENT_TYPES_ARCHIVE[] = "[Content_Types].xml";
constexpr char ROOT_RELATIONSHIPS_ARCHIVE[] = "_rels/.rels";
constexpr char SCHEMA_CONTENTTYPES[] = "http://schemas.openxmlformats.org/package/2006/content-types";
constexpr char SCHEMA_RELATIONSHIPS[] = "http://schemas.openxmlformats.org/package/2006/relationships";
constexpr char RELS_RELATIONSHIP_CONTAINER[] = "Relationships";
constexpr char RELS_RELATIONSHIP_NODE[] = "Relationship";
constexpr char RELS_ATTRIB_TARGET[] = "Target";
constexpr char RELS_ATTRIB_TYPE[] = "Type";
constexpr char RELS_ATTRIB_ID[] = "Id";
constexpr char PACKAGE_START_PART_RELATIONSHIP_TYPE[] = "http://schemas.microsoft.com/3dmanufacturing/2013/01/3dmodel";
constexpr char PACKAGE_PRINT_TICKET_RELATIONSHIP_TYPE[] = "http://schemas.microsoft.com/3dmanufacturing/2013/01/printticket";
constexpr char PACKAGE_TEXTURE_RELATIONSHIP_TYPE[] = "http://schemas.microsoft.com/3dmanufacturing/2013/01/3dtexture";
constexpr char PACKAGE_CORE_PROPERTIES_RELATIONSHIP_TYPE[] = "http://schemas.openxmlformats.org/package/2006/relationships/metadata/core-properties";
constexpr char PACKAGE_THUMBNAIL_RELATIONSHIP_TYPE[] = "http://schemas.openxmlformats.org/package/2006/relationships/metadata/thumbnail";
} // namespace Assimp::D3MF

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vendor/assimp/code/AssetLib/3MF/D3MFExporter.cpp vendored Normal file
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/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------
Copyright (c) 2006-2026, 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.
----------------------------------------------------------------------
*/
#ifndef ASSIMP_BUILD_NO_EXPORT
#ifndef ASSIMP_BUILD_NO_3MF_EXPORTER
#include "D3MFExporter.h"
#include <assimp/Exceptional.h>
#include <assimp/StringUtils.h>
#include <assimp/scene.h>
#include <assimp/DefaultLogger.hpp>
#include <assimp/Exporter.hpp>
#include <assimp/IOSystem.hpp>
#include "3MFXmlTags.h"
#include "D3MFOpcPackage.h"
#ifdef ASSIMP_USE_HUNTER
#include <zip/zip.h>
#else
#include <contrib/zip/src/zip.h>
#endif
namespace Assimp {
void ExportScene3MF(const char *pFile, IOSystem *pIOSystem, const aiScene *pScene, const ExportProperties * /*pProperties*/) {
if (nullptr == pIOSystem) {
throw DeadlyExportError("Could not export 3MP archive: " + std::string(pFile));
}
D3MF::D3MFExporter myExporter(pFile, pScene);
if (myExporter.validate()) {
if (pIOSystem->Exists(pFile)) {
if (!pIOSystem->DeleteFile(pFile)) {
throw DeadlyExportError("File exists, cannot override : " + std::string(pFile));
}
}
bool ok = myExporter.exportArchive(pFile);
if (!ok) {
throw DeadlyExportError("Could not export 3MP archive: " + std::string(pFile));
}
}
}
namespace D3MF {
D3MFExporter::D3MFExporter(const char *pFile, const aiScene *pScene) :
mArchiveName(pFile), m_zipArchive(nullptr), mScene(pScene) {
// empty
}
D3MFExporter::~D3MFExporter() {
for (size_t i = 0; i < mRelations.size(); ++i) {
delete mRelations[i];
}
mRelations.clear();
}
bool D3MFExporter::validate() const {
if (mArchiveName.empty()) {
return false;
}
if (nullptr == mScene) {
return false;
}
return true;
}
bool D3MFExporter::exportArchive(const char *file) {
bool ok(true);
m_zipArchive = zip_open(file, ZIP_DEFAULT_COMPRESSION_LEVEL, 'w');
if (nullptr == m_zipArchive) {
return false;
}
ok |= exportContentTypes();
ok |= export3DModel();
ok |= exportRelations();
zip_close(m_zipArchive);
m_zipArchive = nullptr;
return ok;
}
bool D3MFExporter::exportContentTypes() {
mContentOutput.clear();
mContentOutput << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>";
mContentOutput << std::endl;
mContentOutput << "<Types xmlns = \"http://schemas.openxmlformats.org/package/2006/content-types\">";
mContentOutput << std::endl;
mContentOutput << "<Default Extension = \"rels\" ContentType = \"application/vnd.openxmlformats-package.relationships+xml\" />";
mContentOutput << std::endl;
mContentOutput << "<Default Extension = \"model\" ContentType = \"application/vnd.ms-package.3dmanufacturing-3dmodel+xml\" />";
mContentOutput << std::endl;
mContentOutput << "</Types>";
mContentOutput << std::endl;
zipContentType(XmlTag::CONTENT_TYPES_ARCHIVE);
return true;
}
bool D3MFExporter::exportRelations() {
mRelOutput.clear();
mRelOutput << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>";
mRelOutput << std::endl;
mRelOutput << "<Relationships xmlns=\"http://schemas.openxmlformats.org/package/2006/relationships\">";
for (size_t i = 0; i < mRelations.size(); ++i) {
if (mRelations[i]->target[0] == '/') {
mRelOutput << "<Relationship Target=\"" << mRelations[i]->target << "\" ";
} else {
mRelOutput << "<Relationship Target=\"/" << mRelations[i]->target << "\" ";
}
mRelOutput << "Id=\"" << mRelations[i]->id << "\" ";
mRelOutput << "Type=\"" << mRelations[i]->type << "\" />";
mRelOutput << std::endl;
}
mRelOutput << "</Relationships>";
mRelOutput << std::endl;
zipRelInfo("_rels", ".rels");
mRelOutput.flush();
return true;
}
bool D3MFExporter::export3DModel() {
mModelOutput.clear();
writeHeader();
mModelOutput << "<" << XmlTag::model << " " << XmlTag::model_unit << "=\"millimeter\""
<< " xmlns=\"http://schemas.microsoft.com/3dmanufacturing/core/2015/02\">"
<< std::endl;
mModelOutput << "<" << XmlTag::resources << ">";
mModelOutput << std::endl;
writeMetaData();
writeBaseMaterials();
writeObjects();
mModelOutput << "</" << XmlTag::resources << ">";
mModelOutput << std::endl;
writeBuild();
mModelOutput << "</" << XmlTag::model << ">\n";
OpcPackageRelationship *info = new OpcPackageRelationship;
info->id = "rel0";
info->target = "/3D/3DModel.model";
info->type = XmlTag::PACKAGE_START_PART_RELATIONSHIP_TYPE;
mRelations.push_back(info);
zipModel("3D", "3DModel.model");
mModelOutput.flush();
return true;
}
void D3MFExporter::writeHeader() {
mModelOutput << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>";
mModelOutput << std::endl;
}
void D3MFExporter::writeMetaData() {
if (nullptr == mScene->mMetaData) {
return;
}
const unsigned int numMetaEntries(mScene->mMetaData->mNumProperties);
if (0 == numMetaEntries) {
return;
}
const aiString *key = nullptr;
const aiMetadataEntry *entry(nullptr);
for (size_t i = 0; i < numMetaEntries; ++i) {
mScene->mMetaData->Get(i, key, entry);
std::string k(key->C_Str());
aiString value;
mScene->mMetaData->Get(k, value);
mModelOutput << "<" << XmlTag::meta << " " << XmlTag::meta_name << "=\"" << key->C_Str() << "\">";
mModelOutput << value.C_Str();
mModelOutput << "</" << XmlTag::meta << ">" << std::endl;
}
}
void D3MFExporter::writeBaseMaterials() {
mModelOutput << "<basematerials id=\"1\">\n";
std::string strName, hexDiffuseColor, tmp;
for (size_t i = 0; i < mScene->mNumMaterials; ++i) {
aiMaterial *mat = mScene->mMaterials[i];
aiString name;
if (mat->Get(AI_MATKEY_NAME, name) != aiReturn_SUCCESS) {
strName = "basemat_" + ai_to_string(i);
} else {
strName = name.C_Str();
}
aiColor4D color;
if (mat->Get(AI_MATKEY_COLOR_DIFFUSE, color) == aiReturn_SUCCESS) {
hexDiffuseColor.clear();
tmp.clear();
// rgbs %
if (color.r <= 1 && color.g <= 1 && color.b <= 1 && color.a <= 1) {
hexDiffuseColor = ai_rgba2hex(
(int)(((ai_real)color.r) * 255),
(int)(((ai_real)color.g) * 255),
(int)(((ai_real)color.b) * 255),
(int)(((ai_real)color.a) * 255),
true);
} else {
hexDiffuseColor = "#";
tmp = ai_decimal_to_hexa((ai_real)color.r);
hexDiffuseColor += tmp;
tmp = ai_decimal_to_hexa((ai_real)color.g);
hexDiffuseColor += tmp;
tmp = ai_decimal_to_hexa((ai_real)color.b);
hexDiffuseColor += tmp;
tmp = ai_decimal_to_hexa((ai_real)color.a);
hexDiffuseColor += tmp;
}
} else {
hexDiffuseColor = "#FFFFFFFF";
}
mModelOutput << "<base name=\"" + strName + "\" " + " displaycolor=\"" + hexDiffuseColor + "\" />\n";
}
mModelOutput << "</basematerials>\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;
}
mModelOutput << "<" << XmlTag::object << " id=\"" << i + 2 << "\" type=\"model\">";
mModelOutput << std::endl;
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);
mModelOutput << "</" << XmlTag::object << ">";
mModelOutput << std::endl;
}
}
void D3MFExporter::writeMesh(aiMesh *mesh) {
if (nullptr == mesh) {
return;
}
mModelOutput << "<"
<< XmlTag::mesh
<< ">" << "\n";
mModelOutput << "<"
<< XmlTag::vertices
<< ">" << "\n";
for (unsigned int i = 0; i < mesh->mNumVertices; ++i) {
writeVertex(mesh->mVertices[i]);
}
mModelOutput << "</"
<< XmlTag::vertices << ">"
<< "\n";
const unsigned int matIdx(mesh->mMaterialIndex);
writeFaces(mesh, matIdx);
mModelOutput << "</"
<< XmlTag::mesh << ">"
<< "\n";
}
void D3MFExporter::writeVertex(const aiVector3D &pos) {
mModelOutput << "<" << XmlTag::vertex << " x=\"" << pos.x << "\" y=\"" << pos.y << "\" z=\"" << pos.z << "\" />";
mModelOutput << std::endl;
}
void D3MFExporter::writeFaces(aiMesh *mesh, unsigned int matIdx) {
if (nullptr == mesh) {
return;
}
if (!mesh->HasFaces()) {
return;
}
mModelOutput << "<"
<< XmlTag::triangles << ">"
<< "\n";
for (unsigned int i = 0; i < mesh->mNumFaces; ++i) {
aiFace &currentFace = mesh->mFaces[i];
mModelOutput << "<" << XmlTag::triangle << " v1=\"" << currentFace.mIndices[0] << "\" v2=\""
<< currentFace.mIndices[1] << "\" v3=\"" << currentFace.mIndices[2]
<< "\" pid=\"1\" p1=\"" + ai_to_string(matIdx) + "\" />";
mModelOutput << "\n";
}
mModelOutput << "</"
<< XmlTag::triangles
<< ">";
mModelOutput << "\n";
}
void D3MFExporter::writeBuild() {
mModelOutput << "<"
<< XmlTag::build
<< ">"
<< "\n";
for (size_t i = 0; i < mBuildItems.size(); ++i) {
mModelOutput << "<" << XmlTag::item << " objectid=\"" << i + 2 << "\"/>";
mModelOutput << "\n";
}
mModelOutput << "</" << XmlTag::build << ">";
mModelOutput << "\n";
}
void D3MFExporter::zipContentType(const std::string &filename) {
addFileInZip(filename, mContentOutput.str());
}
void D3MFExporter::zipModel(const std::string &folder, const std::string &modelName) {
const std::string entry = folder + "/" + modelName;
addFileInZip(entry, mModelOutput.str());
}
void D3MFExporter::zipRelInfo(const std::string &folder, const std::string &relName) {
const std::string entry = folder + "/" + relName;
addFileInZip(entry, mRelOutput.str());
}
void D3MFExporter::addFileInZip(const std::string& entry, const std::string& content) {
if (nullptr == m_zipArchive) {
throw DeadlyExportError("3MF-Export: Zip archive not valid, nullptr.");
}
zip_entry_open(m_zipArchive, entry.c_str());
zip_entry_write(m_zipArchive, content.c_str(), content.size());
zip_entry_close(m_zipArchive);
}
} // Namespace D3MF
} // Namespace Assimp
#endif // ASSIMP_BUILD_NO_3MF_EXPORTER
#endif // ASSIMP_BUILD_NO_EXPORT

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/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------
Copyright (c) 2006-2026, 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
#ifndef ASSIMP_BUILD_NO_EXPORT
#ifndef ASSIMP_BUILD_NO_3MF_EXPORTER
#include <memory>
#include <sstream>
#include <vector>
#include <assimp/vector3.h>
struct aiScene;
struct aiNode;
struct aiMaterial;
struct aiMesh;
struct zip_t;
namespace Assimp {
class IOStream;
namespace D3MF {
struct OpcPackageRelationship;
class D3MFExporter {
public:
D3MFExporter( const char* pFile, const aiScene* pScene );
~D3MFExporter();
bool validate() const;
bool exportArchive( const char *file );
bool exportContentTypes();
bool exportRelations();
bool export3DModel();
protected:
void writeHeader();
void writeMetaData();
void writeBaseMaterials();
void writeObjects();
void writeMesh( aiMesh *mesh );
void writeVertex( const aiVector3D &pos );
void writeFaces( aiMesh *mesh, unsigned int matIdx );
void writeBuild();
// Zip the data
void zipContentType( const std::string &filename );
void zipModel( const std::string &folder, const std::string &modelName );
void zipRelInfo( const std::string &folder, const std::string &relName );
void addFileInZip( const std::string &entry, const std::string &content );
private:
std::string mArchiveName;
zip_t *m_zipArchive;
const aiScene *mScene;
std::ostringstream mModelOutput;
std::ostringstream mRelOutput;
std::ostringstream mContentOutput;
std::vector<unsigned int> mBuildItems;
std::vector<OpcPackageRelationship*> mRelations;
};
} // Namespace D3MF
} // Namespace Assimp
#endif // ASSIMP_BUILD_NO_3MF_EXPORTER
#endif // ASSIMP_BUILD_NO_EXPORT

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/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------
Copyright (c) 2006-2026, 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.
----------------------------------------------------------------------
*/
#ifndef ASSIMP_BUILD_NO_3MF_IMPORTER
#include "D3MFImporter.h"
#include "3MFXmlTags.h"
#include "D3MFOpcPackage.h"
#include "XmlSerializer.h"
#include <assimp/StringComparison.h>
#include <assimp/StringUtils.h>
#include <assimp/XmlParser.h>
#include <assimp/ZipArchiveIOSystem.h>
#include <assimp/importerdesc.h>
#include <assimp/scene.h>
#include <assimp/DefaultLogger.hpp>
#include <assimp/IOSystem.hpp>
#include <assimp/fast_atof.h>
#include <cassert>
#include <map>
#include <memory>
#include <string>
#include <vector>
#include <iomanip>
#include <cstring>
namespace Assimp {
using namespace D3MF;
static constexpr aiImporterDesc desc = {
"3mf Importer",
"",
"",
"http://3mf.io/",
aiImporterFlags_SupportBinaryFlavour | aiImporterFlags_SupportCompressedFlavour,
0,
0,
0,
0,
"3mf"
};
bool D3MFImporter::CanRead(const std::string &filename, IOSystem *pIOHandler, bool ) const {
if (!ZipArchiveIOSystem::isZipArchive(pIOHandler, filename)) {
return false;
}
static constexpr char ModelRef[] = "3D/3dmodel.model";
ZipArchiveIOSystem archive(pIOHandler, filename);
if (!archive.Exists(ModelRef)) {
return false;
}
return true;
}
void D3MFImporter::SetupProperties(const Importer*) {
// empty
}
const aiImporterDesc *D3MFImporter::GetInfo() const {
return &desc;
}
void D3MFImporter::InternReadFile(const std::string &filename, aiScene *pScene, IOSystem *pIOHandler) {
D3MFOpcPackage opcPackage(pIOHandler, filename);
XmlParser xmlParser;
if (xmlParser.parse(opcPackage.RootStream())) {
XmlSerializer xmlSerializer(xmlParser);
xmlSerializer.ImportXml(pScene);
const std::vector<aiTexture*> &tex = opcPackage.GetEmbeddedTextures();
if (!tex.empty()) {
pScene->mNumTextures = static_cast<unsigned int>(tex.size());
pScene->mTextures = new aiTexture *[pScene->mNumTextures];
for (unsigned int i = 0; i < pScene->mNumTextures; ++i) {
pScene->mTextures[i] = tex[i];
}
}
}
}
} // Namespace Assimp
#endif // ASSIMP_BUILD_NO_3MF_IMPORTER

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/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------
Copyright (c) 2006-2026, 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.
----------------------------------------------------------------------
*/
#ifndef AI_D3MFLOADER_H_INCLUDED
#define AI_D3MFLOADER_H_INCLUDED
#ifndef ASSIMP_BUILD_NO_3MF_IMPORTER
#include <assimp/BaseImporter.h>
namespace Assimp {
// ---------------------------------------------------------------------------
/// @brief The 3MF-importer class.
///
/// Implements the basic topology import and embedded textures.
// ---------------------------------------------------------------------------
class D3MFImporter final : public BaseImporter {
public:
/// @brief The default class constructor.
D3MFImporter() = default;
/// @brief The class destructor.
~D3MFImporter() override = default;
/// @brief Performs the data format detection.
/// @param pFile The filename to check.
/// @param pIOHandler The used IO-System.
/// @param checkSig true for signature checking.
/// @return true for can be loaded, false for not.
bool CanRead(const std::string &pFile, IOSystem *pIOHandler, bool checkSig) const override;
/// @brief Not used
/// @param pImp Not used
void SetupProperties(const Importer *pImp) override;
/// @brief The importer description getter.
/// @return The info
const aiImporterDesc *GetInfo() const override;
protected:
/// @brief Internal read function, performs the file parsing.
/// @param pFile The filename
/// @param pScene The scene to load in.
/// @param pIOHandler The io-system
void InternReadFile(const std::string &pFile, aiScene *pScene, IOSystem *pIOHandler) override;
};
} // Namespace Assimp
#endif // #ifndef ASSIMP_BUILD_NO_3MF_IMPORTER
#endif // AI_D3MFLOADER_H_INCLUDED

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/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------
Copyright (c) 2006-2026, 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.
----------------------------------------------------------------------
*/
#ifndef ASSIMP_BUILD_NO_3MF_IMPORTER
#include "D3MFOpcPackage.h"
#include <assimp/Exceptional.h>
#include <assimp/XmlParser.h>
#include <assimp/ZipArchiveIOSystem.h>
#include <assimp/ai_assert.h>
#include <assimp/DefaultLogger.hpp>
#include <assimp/IOStream.hpp>
#include <assimp/IOSystem.hpp>
#include <assimp/texture.h>
#include "3MFXmlTags.h"
#include <algorithm>
#include <cassert>
#include <cstdlib>
#include <map>
#include <vector>
namespace Assimp {
namespace D3MF {
// ------------------------------------------------------------------------------------------------
using OpcPackageRelationshipPtr = std::shared_ptr<OpcPackageRelationship>;
class OpcPackageRelationshipReader final {
public:
explicit OpcPackageRelationshipReader(XmlParser &parser) : mRelations() {
XmlNode root = parser.getRootNode();
ParseRootNode(root);
}
void ParseRootNode(XmlNode &node) {
ParseAttributes(node);
for (XmlNode currentNode = node.first_child(); currentNode; currentNode = currentNode.next_sibling()) {
std::string name = currentNode.name();
if (name == "Relationships") {
ParseRelationsNode(currentNode);
}
}
}
void ParseAttributes(XmlNode & /*node*/) {
// empty
}
bool validateRels(OpcPackageRelationshipPtr &relPtr) {
if (relPtr->id.empty() || relPtr->type.empty() || relPtr->target.empty()) {
return false;
}
return true;
}
void ParseRelationsNode(XmlNode &node) {
if (node.empty()) {
return;
}
for (XmlNode currentNode = node.first_child(); currentNode; currentNode = currentNode.next_sibling()) {
const std::string name = currentNode.name();
if (name == "Relationship") {
OpcPackageRelationshipPtr relPtr(new OpcPackageRelationship());
relPtr->id = currentNode.attribute(XmlTag::RELS_ATTRIB_ID).as_string();
relPtr->type = currentNode.attribute(XmlTag::RELS_ATTRIB_TYPE).as_string();
relPtr->target = currentNode.attribute(XmlTag::RELS_ATTRIB_TARGET).as_string();
if (validateRels(relPtr)) {
mRelations.push_back(relPtr);
}
}
}
}
std::vector<OpcPackageRelationshipPtr> mRelations;
};
static bool IsEmbeddedTexture( const std::string &filename ) {
const std::string extension = BaseImporter::GetExtension(filename);
if (extension == "jpg" || extension == "png" || extension == "jpeg") {
std::string::size_type pos = filename.find("thumbnail");
if (pos != std::string::npos) {
return false;
}
return true;
}
return false;
}
// ------------------------------------------------------------------------------------------------
D3MFOpcPackage::D3MFOpcPackage(IOSystem *pIOHandler, const std::string &rFile) :
mRootStream(nullptr),
mZipArchive() {
mZipArchive = new ZipArchiveIOSystem(pIOHandler, rFile);
if (!mZipArchive->isOpen()) {
throw DeadlyImportError("Failed to open file ", rFile, ".");
}
std::vector<std::string> fileList;
mZipArchive->getFileList(fileList);
for (auto &file : fileList) {
if (file == D3MF::XmlTag::ROOT_RELATIONSHIPS_ARCHIVE) {
if (!mZipArchive->Exists(file.c_str())) {
continue;
}
IOStream *fileStream = mZipArchive->Open(file.c_str());
if (nullptr == fileStream) {
ASSIMP_LOG_ERROR("Filestream is nullptr.");
continue;
}
std::string rootFile = ReadPackageRootRelationship(fileStream);
if (!rootFile.empty() && rootFile[0] == '/') {
rootFile = rootFile.substr(1);
if (rootFile[0] == '/') {
// deal with zip-bug
rootFile = rootFile.substr(1);
}
}
ASSIMP_LOG_VERBOSE_DEBUG(rootFile);
mZipArchive->Close(fileStream);
mRootStream = mZipArchive->Open(rootFile.c_str());
ai_assert(mRootStream != nullptr);
if (nullptr == mRootStream) {
throw DeadlyImportError("Cannot open root-file in archive : " + rootFile);
}
} else if (file == D3MF::XmlTag::CONTENT_TYPES_ARCHIVE) {
ASSIMP_LOG_WARN("Ignored file of unsupported type CONTENT_TYPES_ARCHIVES", file);
} else if (IsEmbeddedTexture(file)) {
IOStream *fileStream = mZipArchive->Open(file.c_str());
LoadEmbeddedTextures(fileStream, file);
mZipArchive->Close(fileStream);
} else {
ASSIMP_LOG_WARN("Ignored file of unknown type: ", file);
}
}
}
D3MFOpcPackage::~D3MFOpcPackage() {
mZipArchive->Close(mRootStream);
delete mZipArchive;
}
IOStream *D3MFOpcPackage::RootStream() const {
return mRootStream;
}
const std::vector<aiTexture *> &D3MFOpcPackage::GetEmbeddedTextures() const {
return mEmbeddedTextures;
}
static const char *const ModelRef = "3D/3dmodel.model";
bool D3MFOpcPackage::validate() {
if (nullptr == mRootStream || nullptr == mZipArchive) {
return false;
}
return mZipArchive->Exists(ModelRef);
}
std::string D3MFOpcPackage::ReadPackageRootRelationship(IOStream *stream) {
XmlParser xmlParser;
if (!xmlParser.parse(stream)) {
return std::string();
}
OpcPackageRelationshipReader reader(xmlParser);
auto itr = std::find_if(reader.mRelations.begin(), reader.mRelations.end(), [](const OpcPackageRelationshipPtr &rel) {
return rel->type == XmlTag::PACKAGE_START_PART_RELATIONSHIP_TYPE;
});
if (itr == reader.mRelations.end()) {
throw DeadlyImportError("Cannot find ", XmlTag::PACKAGE_START_PART_RELATIONSHIP_TYPE);
}
return (*itr)->target;
}
void D3MFOpcPackage::LoadEmbeddedTextures(IOStream *fileStream, const std::string &filename) {
if (nullptr == fileStream) {
return;
}
const size_t size = fileStream->FileSize();
if (0 == size) {
return;
}
unsigned char *data = new unsigned char[size];
fileStream->Read(data, 1, size);
aiTexture *texture = new aiTexture;
std::string embName = "*" + filename;
texture->mFilename.Set(embName.c_str());
texture->mWidth = static_cast<unsigned int>(size);
texture->mHeight = 0;
texture->achFormatHint[0] = 'p';
texture->achFormatHint[1] = 'n';
texture->achFormatHint[2] = 'g';
texture->achFormatHint[3] = '\0';
texture->pcData = (aiTexel*) data;
mEmbeddedTextures.emplace_back(texture);
}
} // Namespace D3MF
} // Namespace Assimp
#endif //ASSIMP_BUILD_NO_3MF_IMPORTER

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/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------
Copyright (c) 2006-2026, 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.
----------------------------------------------------------------------
*/
#ifndef D3MFOPCPACKAGE_H
#define D3MFOPCPACKAGE_H
#include <assimp/IOSystem.hpp>
#include <memory>
#include <string>
struct aiTexture;
namespace Assimp {
class ZipArchiveIOSystem;
namespace D3MF {
struct OpcPackageRelationship {
std::string id;
std::string type;
std::string target;
};
class D3MFOpcPackage {
public:
D3MFOpcPackage( IOSystem* pIOHandler, const std::string& file );
~D3MFOpcPackage();
IOStream* RootStream() const;
bool validate();
const std::vector<aiTexture*> &GetEmbeddedTextures() const;
protected:
std::string ReadPackageRootRelationship(IOStream* stream);
void LoadEmbeddedTextures(IOStream *fileStream, const std::string &filename);
private:
IOStream* mRootStream;
ZipArchiveIOSystem *mZipArchive;
std::vector<aiTexture *> mEmbeddedTextures;
};
} // namespace D3MF
} // namespace Assimp
#endif // D3MFOPCPACKAGE_H

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/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------
Copyright (c) 2006-2026, 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 "XmlSerializer.h"
#include "D3MFOpcPackage.h"
#include "3MFXmlTags.h"
#include "3MFTypes.h"
#include <assimp/scene.h>
#include <utility>
namespace Assimp {
namespace D3MF {
static constexpr int IdNotSet = -1;
namespace {
static constexpr size_t ColRGBA_Len = 9;
static constexpr size_t ColRGB_Len = 7;
// format of the color string: #RRGGBBAA or #RRGGBB (3MF Core chapter 5.1.1)
bool validateColorString(const std::string color) {
const size_t len = color.size();
if (ColRGBA_Len != len && ColRGB_Len != len) {
return false;
}
return true;
}
aiFace ReadTriangle(XmlNode &node, int &texId0, int &texId1, int &texId2) {
aiFace face;
face.mNumIndices = 3;
face.mIndices = new unsigned int[face.mNumIndices];
face.mIndices[0] = static_cast<unsigned int>(std::atoi(node.attribute(XmlTag::v1).as_string()));
face.mIndices[1] = static_cast<unsigned int>(std::atoi(node.attribute(XmlTag::v2).as_string()));
face.mIndices[2] = static_cast<unsigned int>(std::atoi(node.attribute(XmlTag::v3).as_string()));
texId0 = texId1 = texId2 = IdNotSet;
XmlParser::getIntAttribute(node, XmlTag::p1, texId0);
XmlParser::getIntAttribute(node, XmlTag::p2, texId1);
XmlParser::getIntAttribute(node, XmlTag::p3, texId2);
return face;
}
aiVector3D ReadVertex(XmlNode &node) {
aiVector3D vertex;
vertex.x = ai_strtof(node.attribute(XmlTag::x).as_string(), nullptr);
vertex.y = ai_strtof(node.attribute(XmlTag::y).as_string(), nullptr);
vertex.z = ai_strtof(node.attribute(XmlTag::z).as_string(), nullptr);
return vertex;
}
bool getNodeAttribute(const XmlNode &node, const std::string &attribute, std::string &value) {
pugi::xml_attribute objectAttribute = node.attribute(attribute.c_str());
if (!objectAttribute.empty()) {
value = objectAttribute.as_string();
return true;
}
return false;
}
bool getNodeAttribute(const XmlNode &node, const std::string &attribute, int &value) {
std::string strValue;
const bool ret = getNodeAttribute(node, attribute, strValue);
if (ret) {
value = std::atoi(strValue.c_str());
return true;
}
return false;
}
aiMatrix4x4 parseTransformMatrix(const std::string& matrixStr) {
// split the string
std::vector<float> numbers;
std::string currentNumber;
for (char c : matrixStr) {
if (c == ' ') {
if (!currentNumber.empty()) {
float f = std::stof(currentNumber);
numbers.push_back(f);
currentNumber.clear();
}
} else {
currentNumber.push_back(c);
}
}
if (!currentNumber.empty()) {
const float f = std::stof(currentNumber);
numbers.push_back(f);
}
aiMatrix4x4 transformMatrix;
transformMatrix.a1 = numbers[0];
transformMatrix.b1 = numbers[1];
transformMatrix.c1 = numbers[2];
transformMatrix.d1 = 0;
transformMatrix.a2 = numbers[3];
transformMatrix.b2 = numbers[4];
transformMatrix.c2 = numbers[5];
transformMatrix.d2 = 0;
transformMatrix.a3 = numbers[6];
transformMatrix.b3 = numbers[7];
transformMatrix.c3 = numbers[8];
transformMatrix.d3 = 0;
transformMatrix.a4 = numbers[9];
transformMatrix.b4 = numbers[10];
transformMatrix.c4 = numbers[11];
transformMatrix.d4 = 1;
return transformMatrix;
}
bool parseColor(const std::string &color, aiColor4D &diffuse) {
if (color.empty()) {
return false;
}
if (!validateColorString(color)) {
return false;
}
if ('#' != color[0]) {
return false;
}
char r[3] = { color[1], color[2], '\0' };
diffuse.r = static_cast<ai_real>(strtol(r, nullptr, 16)) / ai_real(255.0);
char g[3] = { color[3], color[4], '\0' };
diffuse.g = static_cast<ai_real>(strtol(g, nullptr, 16)) / ai_real(255.0);
char b[3] = { color[5], color[6], '\0' };
diffuse.b = static_cast<ai_real>(strtol(b, nullptr, 16)) / ai_real(255.0);
const size_t len = color.size();
if (ColRGB_Len == len) {
return true;
}
char a[3] = { color[7], color[8], '\0' };
diffuse.a = static_cast<ai_real>(strtol(a, nullptr, 16)) / ai_real(255.0);
return true;
}
void assignDiffuseColor(XmlNode &node, aiMaterial *mat) {
const char *color = node.attribute(XmlTag::basematerials_displaycolor).as_string();
aiColor4D diffuse;
if (parseColor(color, diffuse)) {
mat->AddProperty<aiColor4D>(&diffuse, 1, AI_MATKEY_COLOR_DIFFUSE);
}
}
} // namespace
XmlSerializer::XmlSerializer(XmlParser &xmlParser) :
mResourcesDictionnary(),
mMeshCount(0),
mXmlParser(xmlParser) {
// empty
}
XmlSerializer::~XmlSerializer() {
for (auto &it : mResourcesDictionnary) {
delete it.second;
}
}
void XmlSerializer::ImportXml(aiScene *scene) {
if (nullptr == scene) {
return;
}
scene->mRootNode = new aiNode(XmlTag::RootTag);
XmlNode node = mXmlParser.getRootNode().child(XmlTag::model);
if (node.empty()) {
return;
}
XmlNode resNode = node.child(XmlTag::resources);
for (auto &currentNode : resNode.children()) {
const std::string currentNodeName = currentNode.name();
if (currentNodeName == XmlTag::texture_2d) {
ReadEmbeddecTexture(currentNode);
} else if (currentNodeName == XmlTag::texture_group) {
ReadTextureGroup(currentNode);
} else if (currentNodeName == XmlTag::object) {
ReadObject(currentNode);
} else if (currentNodeName == XmlTag::basematerials) {
ReadBaseMaterials(currentNode);
} else if (currentNodeName == XmlTag::meta) {
ReadMetadata(currentNode);
} else if (currentNodeName == XmlTag::colorgroup) {
ReadColorGroup(currentNode);
}
}
StoreMaterialsInScene(scene);
XmlNode buildNode = node.child(XmlTag::build);
if (buildNode.empty()) {
return;
}
for (auto &currentNode : buildNode.children()) {
const std::string currentNodeName = currentNode.name();
if (currentNodeName == XmlTag::item) {
int objectId = IdNotSet;
std::string transformationMatrixStr;
aiMatrix4x4 transformationMatrix;
getNodeAttribute(currentNode, D3MF::XmlTag::objectid, objectId);
bool hasTransform = getNodeAttribute(currentNode, D3MF::XmlTag::transform, transformationMatrixStr);
auto it = mResourcesDictionnary.find(objectId);
if (it != mResourcesDictionnary.end() && it->second->getType() == ResourceType::RT_Object) {
Object *obj = static_cast<Object *>(it->second);
if (hasTransform) {
transformationMatrix = parseTransformMatrix(transformationMatrixStr);
}
addObjectToNode(scene->mRootNode, obj, transformationMatrix);
}
}
}
// import the metadata
if (!mMetaData.empty()) {
const size_t numMeta = mMetaData.size();
scene->mMetaData = aiMetadata::Alloc(static_cast<unsigned int>(numMeta));
for (size_t i = 0; i < numMeta; ++i) {
aiString val(mMetaData[i].value);
scene->mMetaData->Set(static_cast<unsigned int>(i), mMetaData[i].name, val);
}
}
// import the meshes, materials are already stored
scene->mNumMeshes = static_cast<unsigned int>(mMeshCount);
if (scene->mNumMeshes != 0) {
scene->mMeshes = new aiMesh *[scene->mNumMeshes]();
for (auto &it : mResourcesDictionnary) {
if (it.second->getType() == ResourceType::RT_Object) {
Object *obj = static_cast<Object *>(it.second);
ai_assert(nullptr != obj);
for (unsigned int i = 0; i < obj->mMeshes.size(); ++i) {
scene->mMeshes[obj->mMeshIndex[i]] = obj->mMeshes[i];
}
}
}
}
}
void XmlSerializer::addObjectToNode(aiNode *parent, Object *obj, aiMatrix4x4 nodeTransform) {
ai_assert(nullptr != obj);
aiNode *sceneNode = new aiNode(obj->mName);
sceneNode->mNumMeshes = static_cast<unsigned int>(obj->mMeshes.size());
sceneNode->mMeshes = new unsigned int[sceneNode->mNumMeshes];
std::copy(obj->mMeshIndex.begin(), obj->mMeshIndex.end(), sceneNode->mMeshes);
sceneNode->mTransformation = nodeTransform;
if (nullptr != parent) {
parent->addChildren(1, &sceneNode);
}
for (Assimp::D3MF::Component c : obj->mComponents) {
auto it = mResourcesDictionnary.find(c.mObjectId);
if (it != mResourcesDictionnary.end() && it->second->getType() == ResourceType::RT_Object) {
addObjectToNode(sceneNode, static_cast<Object *>(it->second), c.mTransformation);
}
}
}
void XmlSerializer::ReadObject(XmlNode &node) {
int id = IdNotSet, pid = IdNotSet, pindex = IdNotSet;
bool hasId = getNodeAttribute(node, XmlTag::id, id);
if (!hasId) {
return;
}
bool hasPid = getNodeAttribute(node, XmlTag::pid, pid);
bool hasPindex = getNodeAttribute(node, XmlTag::pindex, pindex);
Object *obj = new Object(id);
for (XmlNode &currentNode : node.children()) {
const std::string currentName = currentNode.name();
if (currentName == D3MF::XmlTag::mesh) {
auto mesh = ReadMesh(currentNode);
mesh->mName.Set(ai_to_string(id));
if (hasPid) {
auto it = mResourcesDictionnary.find(pid);
if (hasPindex && it != mResourcesDictionnary.end()) {
if (it->second->getType() == ResourceType::RT_BaseMaterials) {
BaseMaterials *materials = static_cast<BaseMaterials *>(it->second);
mesh->mMaterialIndex = materials->mMaterialIndex[pindex];
} else if (it->second->getType() == ResourceType::RT_Texture2DGroup) {
Texture2DGroup *group = static_cast<Texture2DGroup *>(it->second);
if (mesh->mTextureCoords[0] == nullptr) {
mesh->mNumUVComponents[0] = 2;
for (unsigned int i = 1; i < AI_MAX_NUMBER_OF_TEXTURECOORDS; ++i) {
mesh->mNumUVComponents[i] = 0;
}
const std::string name = ai_to_string(group->mTexId);
for (size_t i = 0; i < mMaterials.size(); ++i) {
if (name == mMaterials[i]->GetName().C_Str()) {
mesh->mMaterialIndex = static_cast<unsigned int>(i);
}
}
mesh->mTextureCoords[0] = new aiVector3D[mesh->mNumVertices];
for (unsigned int vertex_idx = 0; vertex_idx < mesh->mNumVertices; vertex_idx++) {
mesh->mTextureCoords[0][vertex_idx] =
aiVector3D(group->mTex2dCoords[pindex].x, group->mTex2dCoords[pindex].y, 0.0f);
}
} else {
for (unsigned int vertex_idx = 0; vertex_idx < mesh->mNumVertices; vertex_idx++) {
if (mesh->mTextureCoords[0][vertex_idx].z < 0) {
// use default
mesh->mTextureCoords[0][vertex_idx] =
aiVector3D(group->mTex2dCoords[pindex].x, group->mTex2dCoords[pindex].y, 0.0f);
}
}
}
}else if (it->second->getType() == ResourceType::RT_ColorGroup) {
if (mesh->mColors[0] == nullptr) {
mesh->mColors[0] = new aiColor4D[mesh->mNumVertices];
ColorGroup *group = static_cast<ColorGroup *>(it->second);
for (unsigned int vertex_idx = 0; vertex_idx < mesh->mNumVertices; vertex_idx++) {
mesh->mColors[0][vertex_idx] = group->mColors[pindex];
}
}
}
}
}
obj->mMeshes.push_back(mesh);
obj->mMeshIndex.push_back(mMeshCount);
mMeshCount++;
} else if (currentName == D3MF::XmlTag::components) {
for (XmlNode &currentSubNode : currentNode.children()) {
const std::string subNodeName = currentSubNode.name();
if (subNodeName == D3MF::XmlTag::component) {
int objectId = IdNotSet;
std::string componentTransformStr;
aiMatrix4x4 componentTransform;
if (getNodeAttribute(currentSubNode, D3MF::XmlTag::transform, componentTransformStr)) {
componentTransform = parseTransformMatrix(componentTransformStr);
}
if (getNodeAttribute(currentSubNode, D3MF::XmlTag::objectid, objectId)) {
obj->mComponents.push_back({ objectId, componentTransform });
}
}
}
}
}
mResourcesDictionnary.insert(std::make_pair(id, obj));
}
aiMesh *XmlSerializer::ReadMesh(XmlNode &node) {
if (node.empty()) {
return nullptr;
}
aiMesh *mesh = new aiMesh();
for (XmlNode &currentNode : node.children()) {
const std::string currentName = currentNode.name();
if (currentName == XmlTag::vertices) {
ImportVertices(currentNode, mesh);
} else if (currentName == XmlTag::triangles) {
ImportTriangles(currentNode, mesh);
}
}
return mesh;
}
void XmlSerializer::ReadMetadata(XmlNode &node) {
pugi::xml_attribute attribute = node.attribute(D3MF::XmlTag::meta_name);
const std::string name = attribute.as_string();
const std::string value = node.value();
if (name.empty()) {
return;
}
MetaEntry entry;
entry.name = name;
entry.value = value;
mMetaData.push_back(entry);
}
void XmlSerializer::ImportVertices(XmlNode &node, aiMesh *mesh) {
ai_assert(nullptr != mesh);
std::vector<aiVector3D> vertices;
for (XmlNode &currentNode : node.children()) {
const std::string currentName = currentNode.name();
if (currentName == XmlTag::vertex) {
vertices.push_back(ReadVertex(currentNode));
}
}
mesh->mNumVertices = static_cast<unsigned int>(vertices.size());
mesh->mVertices = new aiVector3D[mesh->mNumVertices];
std::copy(vertices.begin(), vertices.end(), mesh->mVertices);
}
void XmlSerializer::ImportTriangles(XmlNode &node, aiMesh *mesh) {
std::vector<aiFace> faces;
for (XmlNode &currentNode : node.children()) {
const std::string currentName = currentNode.name();
if (currentName == XmlTag::triangle) {
int pid = IdNotSet;
bool hasPid = getNodeAttribute(currentNode, D3MF::XmlTag::pid, pid);
int pindex[3];
aiFace face = ReadTriangle(currentNode, pindex[0], pindex[1], pindex[2]);
if (hasPid && (pindex[0] != IdNotSet || pindex[1] != IdNotSet || pindex[2] != IdNotSet)) {
auto it = mResourcesDictionnary.find(pid);
if (it != mResourcesDictionnary.end()) {
if (it->second->getType() == ResourceType::RT_BaseMaterials) {
BaseMaterials *baseMaterials = static_cast<BaseMaterials *>(it->second);
auto update_material = [&](int idx) {
if (pindex[idx] != IdNotSet) {
mesh->mMaterialIndex = baseMaterials->mMaterialIndex[pindex[idx]];
}
};
update_material(0);
update_material(1);
update_material(2);
} else if (it->second->getType() == ResourceType::RT_Texture2DGroup) {
// Load texture coordinates into mesh, when any
Texture2DGroup *group = static_cast<Texture2DGroup *>(it->second); // fix bug
if (mesh->mTextureCoords[0] == nullptr) {
mesh->mNumUVComponents[0] = 2;
for (unsigned int i = 1; i < AI_MAX_NUMBER_OF_TEXTURECOORDS; ++i) {
mesh->mNumUVComponents[i] = 0;
}
const std::string name = ai_to_string(group->mTexId);
for (size_t i = 0; i < mMaterials.size(); ++i) {
if (name == mMaterials[i]->GetName().C_Str()) {
mesh->mMaterialIndex = static_cast<unsigned int>(i);
}
}
mesh->mTextureCoords[0] = new aiVector3D[mesh->mNumVertices];
for (unsigned int vertex_index = 0; vertex_index < mesh->mNumVertices; vertex_index++) {
mesh->mTextureCoords[0][vertex_index].z = IdNotSet;//mark not set
}
}
auto update_texture = [&](int idx) {
if (pindex[idx] != IdNotSet) {
size_t vertex_index = face.mIndices[idx];
mesh->mTextureCoords[0][vertex_index] =
aiVector3D(group->mTex2dCoords[pindex[idx]].x, group->mTex2dCoords[pindex[idx]].y, 0.0f);
}
};
update_texture(0);
update_texture(1);
update_texture(2);
} else if (it->second->getType() == ResourceType::RT_ColorGroup) {
// Load vertex color into mesh, when any
ColorGroup *group = static_cast<ColorGroup *>(it->second);
if (mesh->mColors[0] == nullptr) {
mesh->mColors[0] = new aiColor4D[mesh->mNumVertices];
}
auto update_color = [&](int idx) {
if (pindex[idx] != IdNotSet) {
size_t vertex_index = face.mIndices[idx];
mesh->mColors[0][vertex_index] = group->mColors[pindex[idx]];
}
};
update_color(0);
update_color(1);
update_color(2);
}
}
}
faces.push_back(face);
}
}
mesh->mNumFaces = static_cast<unsigned int>(faces.size());
mesh->mFaces = new aiFace[mesh->mNumFaces];
mesh->mPrimitiveTypes = aiPrimitiveType_TRIANGLE;
std::copy(faces.begin(), faces.end(), mesh->mFaces);
}
void XmlSerializer::ReadBaseMaterials(XmlNode &node) {
int id = IdNotSet;
if (getNodeAttribute(node, D3MF::XmlTag::id, id)) {
BaseMaterials *baseMaterials = new BaseMaterials(id);
for (XmlNode &currentNode : node.children()) {
const std::string currentName = currentNode.name();
if (currentName == XmlTag::basematerials_base) {
baseMaterials->mMaterialIndex.push_back(static_cast<unsigned int>(mMaterials.size()));
mMaterials.push_back(readMaterialDef(currentNode, id));
}
}
mResourcesDictionnary.insert(std::make_pair(id, baseMaterials));
}
}
void XmlSerializer::ReadEmbeddecTexture(XmlNode &node) {
if (node.empty()) {
return;
}
std::string value;
EmbeddedTexture *tex2D = nullptr;
if (XmlParser::getStdStrAttribute(node, XmlTag::id, value)) {
tex2D = new EmbeddedTexture(atoi(value.c_str()));
}
if (nullptr == tex2D) {
return;
}
if (XmlParser::getStdStrAttribute(node, XmlTag::path, value)) {
tex2D->mPath = value;
}
if (XmlParser::getStdStrAttribute(node, XmlTag::texture_content_type, value)) {
tex2D->mContentType = value;
}
if (XmlParser::getStdStrAttribute(node, XmlTag::texture_tilestyleu, value)) {
tex2D->mTilestyleU = value;
}
if (XmlParser::getStdStrAttribute(node, XmlTag::texture_tilestylev, value)) {
tex2D->mTilestyleV = value;
}
mEmbeddedTextures.emplace_back(tex2D);
StoreEmbeddedTexture(tex2D);
}
void XmlSerializer::StoreEmbeddedTexture(EmbeddedTexture *tex) {
aiMaterial *mat = new aiMaterial;
aiString s;
s.Set(ai_to_string(tex->mId).c_str());
mat->AddProperty(&s, AI_MATKEY_NAME);
const std::string name = "*" + tex->mPath;
s.Set(name);
mat->AddProperty(&s, AI_MATKEY_TEXTURE_DIFFUSE(0));
aiColor3D col;
mat->AddProperty<aiColor3D>(&col, 1, AI_MATKEY_COLOR_DIFFUSE);
mat->AddProperty<aiColor3D>(&col, 1, AI_MATKEY_COLOR_AMBIENT);
mat->AddProperty<aiColor3D>(&col, 1, AI_MATKEY_COLOR_EMISSIVE);
mat->AddProperty<aiColor3D>(&col, 1, AI_MATKEY_COLOR_SPECULAR);
mMaterials.emplace_back(mat);
}
void XmlSerializer::ReadTextureCoords2D(XmlNode &node, Texture2DGroup *tex2DGroup) {
if (node.empty() || nullptr == tex2DGroup) {
return;
}
int id = IdNotSet;
if (XmlParser::getIntAttribute(node, "texid", id)) {
tex2DGroup->mTexId = id;
}
double value = 0.0;
for (XmlNode currentNode : node.children()) {
const std::string currentName = currentNode.name();
aiVector2D texCoord;
if (currentName == XmlTag::texture_2d_coord) {
XmlParser::getDoubleAttribute(currentNode, XmlTag::texture_cuurd_u, value);
texCoord.x = (ai_real)value;
XmlParser::getDoubleAttribute(currentNode, XmlTag::texture_cuurd_v, value);
texCoord.y = (ai_real)value;
tex2DGroup->mTex2dCoords.push_back(texCoord);
}
}
}
void XmlSerializer::ReadTextureGroup(XmlNode &node) {
if (node.empty()) {
return;
}
int id = IdNotSet;
if (!XmlParser::getIntAttribute(node, XmlTag::id, id)) {
return;
}
Texture2DGroup *group = new Texture2DGroup(id);
ReadTextureCoords2D(node, group);
mResourcesDictionnary.insert(std::make_pair(id, group));
}
aiMaterial *XmlSerializer::readMaterialDef(XmlNode &node, unsigned int basematerialsId) {
aiMaterial *material = new aiMaterial();
material->mNumProperties = 0;
std::string name;
bool hasName = getNodeAttribute(node, D3MF::XmlTag::basematerials_name, name);
std::string stdMaterialName;
const std::string strId(ai_to_string(basematerialsId));
stdMaterialName += "id";
stdMaterialName += strId;
stdMaterialName += "_";
if (hasName) {
stdMaterialName += name;
} else {
stdMaterialName += "basemat_";
stdMaterialName += ai_to_string(mMaterials.size());
}
aiString assimpMaterialName(stdMaterialName);
material->AddProperty(&assimpMaterialName, AI_MATKEY_NAME);
assignDiffuseColor(node, material);
return material;
}
void XmlSerializer::ReadColor(XmlNode &node, ColorGroup *colorGroup) {
if (node.empty() || nullptr == colorGroup) {
return;
}
for (XmlNode currentNode : node.children()) {
const std::string currentName = currentNode.name();
if (currentName == XmlTag::color_item) {
const char *color = currentNode.attribute(XmlTag::color_value).as_string();
aiColor4D color_value;
if (parseColor(color, color_value)) {
colorGroup->mColors.push_back(color_value);
}
}
}
}
void XmlSerializer::ReadColorGroup(XmlNode &node) {
if (node.empty()) {
return;
}
int id = IdNotSet;
if (!XmlParser::getIntAttribute(node, XmlTag::id, id)) {
return;
}
ColorGroup *group = new ColorGroup(id);
ReadColor(node, group);
mResourcesDictionnary.insert(std::make_pair(id, group));
}
void XmlSerializer::StoreMaterialsInScene(aiScene *scene) {
if (nullptr == scene) {
return;
}
scene->mNumMaterials = static_cast<unsigned int>(mMaterials.size());
if (scene->mNumMaterials == 0) {
return;
}
scene->mMaterials = new aiMaterial *[scene->mNumMaterials];
for (size_t i = 0; i < mMaterials.size(); ++i) {
scene->mMaterials[i] = mMaterials[i];
}
}
} // namespace D3MF
} // namespace Assimp

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/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------
Copyright (c) 2006-2026, 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 <assimp/XmlParser.h>
#include <assimp/mesh.h>
#include <vector>
#include <map>
struct aiNode;
struct aiMesh;
struct aiMaterial;
namespace Assimp {
namespace D3MF {
class Resource;
class D3MFOpcPackage;
class Object;
class Texture2DGroup;
class EmbeddedTexture;
class ColorGroup;
/// @brief his class implements ther 3mf serialization.
class XmlSerializer final {
public:
explicit XmlSerializer(XmlParser &xmlParser);
~XmlSerializer();
void ImportXml(aiScene *scene);
private:
void addObjectToNode(aiNode *parent, Object *obj, aiMatrix4x4 nodeTransform);
void ReadObject(XmlNode &node);
aiMesh *ReadMesh(XmlNode &node);
void ReadMetadata(XmlNode &node);
void ImportVertices(XmlNode &node, aiMesh *mesh);
void ImportTriangles(XmlNode &node, aiMesh *mesh);
void ReadBaseMaterials(XmlNode &node);
void ReadEmbeddecTexture(XmlNode &node);
void StoreEmbeddedTexture(EmbeddedTexture *tex);
void ReadTextureCoords2D(XmlNode &node, Texture2DGroup *tex2DGroup);
void ReadTextureGroup(XmlNode &node);
aiMaterial *readMaterialDef(XmlNode &node, unsigned int basematerialsId);
void StoreMaterialsInScene(aiScene *scene);
void ReadColorGroup(XmlNode &node);
void ReadColor(XmlNode &node, ColorGroup *colorGroup);
private:
struct MetaEntry {
std::string name;
std::string value;
};
std::vector<MetaEntry> mMetaData;
std::vector<EmbeddedTexture *> mEmbeddedTextures;
std::vector<aiMaterial *> mMaterials;
std::map<unsigned int, Resource *> mResourcesDictionnary;
unsigned int mMeshCount;
XmlParser &mXmlParser;
};
} // namespace D3MF
} // namespace Assimp