386 lines
10 KiB
C++
386 lines
10 KiB
C++
/*
|
|
Open Asset Import Library (assimp)
|
|
----------------------------------------------------------------------
|
|
|
|
Copyright (c) 2006-2016, 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 "D3MFImporter.h"
|
|
|
|
#include <assimp/scene.h>
|
|
#include <assimp/IOStream.hpp>
|
|
#include <assimp/IOSystem.hpp>
|
|
#include <assimp/DefaultLogger.hpp>
|
|
#include <contrib/unzip/unzip.h>
|
|
#include "irrXMLWrapper.h"
|
|
#include "StringComparison.h"
|
|
#include "StringUtils.h"
|
|
|
|
|
|
#include <string>
|
|
#include <sstream>
|
|
#include <vector>
|
|
#include <map>
|
|
#include <algorithm>
|
|
#include <cassert>
|
|
#include <cstdlib>
|
|
#include <memory>
|
|
|
|
#include <assimp/ai_assert.h>
|
|
|
|
#include "D3MFOpcPackage.h"
|
|
|
|
#ifndef ASSIMP_BUILD_NO_3MF_IMPORTER
|
|
|
|
namespace Assimp {
|
|
namespace D3MF {
|
|
|
|
|
|
namespace XmlTag {
|
|
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)
|
|
{
|
|
|
|
}
|
|
|
|
void ImportXml(aiScene* scene)
|
|
{
|
|
|
|
scene->mFlags |= AI_SCENE_FLAGS_NON_VERBOSE_FORMAT;
|
|
|
|
scene->mRootNode = new aiNode();
|
|
std::vector<aiNode*> children;
|
|
|
|
while(ReadToEndElement(D3MF::XmlTag::model))
|
|
{
|
|
|
|
if(xmlReader->getNodeName() == D3MF::XmlTag::object)
|
|
{
|
|
children.push_back(ReadObject(scene));
|
|
}
|
|
else if(xmlReader->getNodeName() == D3MF::XmlTag::build)
|
|
{
|
|
|
|
}
|
|
}
|
|
|
|
if(scene->mRootNode->mName.length == 0)
|
|
scene->mRootNode->mName.Set("3MF");
|
|
|
|
|
|
scene->mNumMeshes = static_cast<unsigned int>(meshes.size());
|
|
scene->mMeshes = new aiMesh*[scene->mNumMeshes]();
|
|
|
|
std::copy(meshes.begin(), meshes.end(), scene->mMeshes);
|
|
|
|
scene->mRootNode->mNumChildren = static_cast<unsigned int>(children.size());
|
|
scene->mRootNode->mChildren = new aiNode*[scene->mRootNode->mNumChildren]();
|
|
|
|
std::copy(children.begin(), children.end(), scene->mRootNode->mChildren);
|
|
|
|
}
|
|
|
|
private:
|
|
aiNode* ReadObject(aiScene* scene)
|
|
{
|
|
ScopeGuard<aiNode> node(new aiNode());
|
|
|
|
std::vector<unsigned long> meshIds;
|
|
|
|
int id = std::atoi(xmlReader->getAttributeValue(D3MF::XmlTag::id.c_str()));
|
|
std::string name(xmlReader->getAttributeValue(D3MF::XmlTag::name.c_str()));
|
|
std::string type(xmlReader->getAttributeValue(D3MF::XmlTag::type.c_str()));
|
|
|
|
node->mParent = scene->mRootNode;
|
|
node->mName.Set(name);
|
|
|
|
unsigned long meshIdx = meshes.size();
|
|
|
|
while(ReadToEndElement(D3MF::XmlTag::object))
|
|
{
|
|
if(xmlReader->getNodeName() == D3MF::XmlTag::mesh)
|
|
{
|
|
auto mesh = ReadMesh();
|
|
|
|
mesh->mName.Set(name);
|
|
meshes.push_back(mesh);
|
|
meshIds.push_back(meshIdx);
|
|
meshIdx++;
|
|
|
|
}
|
|
}
|
|
|
|
node->mNumMeshes = static_cast<unsigned int>(meshIds.size());
|
|
|
|
node->mMeshes = new unsigned int[node->mNumMeshes];
|
|
|
|
std::copy(meshIds.begin(), meshIds.end(), node->mMeshes);
|
|
|
|
return node.dismiss();
|
|
|
|
}
|
|
|
|
aiMesh* ReadMesh()
|
|
{
|
|
aiMesh* mesh = new aiMesh();
|
|
|
|
while(ReadToEndElement(D3MF::XmlTag::mesh))
|
|
{
|
|
if(xmlReader->getNodeName() == D3MF::XmlTag::vertices)
|
|
{
|
|
ImportVertices(mesh);
|
|
}
|
|
else if(xmlReader->getNodeName() == D3MF::XmlTag::triangles)
|
|
{
|
|
ImportTriangles(mesh);
|
|
}
|
|
|
|
}
|
|
|
|
|
|
return mesh;
|
|
}
|
|
|
|
void ImportVertices(aiMesh* mesh)
|
|
{
|
|
std::vector<aiVector3D> vertices;
|
|
|
|
while(ReadToEndElement(D3MF::XmlTag::vertices))
|
|
{
|
|
if(xmlReader->getNodeName() == D3MF::XmlTag::vertex)
|
|
{
|
|
vertices.push_back(ReadVertex());
|
|
}
|
|
}
|
|
mesh->mNumVertices = static_cast<unsigned int>(vertices.size());
|
|
mesh->mVertices = new aiVector3D[mesh->mNumVertices];
|
|
|
|
std::copy(vertices.begin(), vertices.end(), mesh->mVertices);
|
|
|
|
}
|
|
aiVector3D ReadVertex()
|
|
{
|
|
aiVector3D vertex;
|
|
vertex.x = ai_strtof(xmlReader->getAttributeValue(D3MF::XmlTag::x.c_str()), nullptr);
|
|
vertex.y = ai_strtof(xmlReader->getAttributeValue(D3MF::XmlTag::y.c_str()), nullptr);
|
|
vertex.z = ai_strtof>(xmlReader->getAttributeValue(D3MF::XmlTag::z.c_str()), nullptr);
|
|
|
|
return vertex;
|
|
}
|
|
|
|
void ImportTriangles(aiMesh* mesh)
|
|
{
|
|
std::vector<aiFace> faces;
|
|
|
|
|
|
while(ReadToEndElement(D3MF::XmlTag::triangles))
|
|
{
|
|
if(xmlReader->getNodeName() == D3MF::XmlTag::triangle)
|
|
{
|
|
faces.push_back(ReadTriangle());
|
|
}
|
|
}
|
|
|
|
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);
|
|
|
|
}
|
|
|
|
aiFace ReadTriangle()
|
|
{
|
|
aiFace face;
|
|
|
|
face.mNumIndices = 3;
|
|
face.mIndices = new unsigned int[face.mNumIndices];
|
|
face.mIndices[0] = static_cast<unsigned int>(std::atoi(xmlReader->getAttributeValue(D3MF::XmlTag::v1.c_str())));
|
|
face.mIndices[1] = static_cast<unsigned int>(std::atoi(xmlReader->getAttributeValue(D3MF::XmlTag::v2.c_str())));
|
|
face.mIndices[2] = static_cast<unsigned int>(std::atoi(xmlReader->getAttributeValue(D3MF::XmlTag::v3.c_str())));
|
|
|
|
return face;
|
|
}
|
|
|
|
private:
|
|
|
|
bool ReadToStartElement(const std::string& startTag)
|
|
{
|
|
while(xmlReader->read())
|
|
{
|
|
if (xmlReader->getNodeType() == irr::io::EXN_ELEMENT && xmlReader->getNodeName() == startTag)
|
|
{
|
|
return true;
|
|
}
|
|
else if (xmlReader->getNodeType() == irr::io::EXN_ELEMENT_END &&
|
|
xmlReader->getNodeName() == startTag)
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
//DefaultLogger::get()->error("unexpected EOF, expected closing <" + closeTag + "> tag");
|
|
return false;
|
|
}
|
|
|
|
bool ReadToEndElement(const std::string& closeTag)
|
|
{
|
|
while(xmlReader->read())
|
|
{
|
|
if (xmlReader->getNodeType() == irr::io::EXN_ELEMENT) {
|
|
return true;
|
|
}
|
|
else if (xmlReader->getNodeType() == irr::io::EXN_ELEMENT_END
|
|
&& xmlReader->getNodeName() == closeTag)
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
DefaultLogger::get()->error("unexpected EOF, expected closing <" + closeTag + "> tag");
|
|
return false;
|
|
}
|
|
|
|
|
|
private:
|
|
std::vector<aiMesh*> meshes;
|
|
XmlReader* xmlReader;
|
|
|
|
|
|
};
|
|
|
|
} //namespace D3MF
|
|
|
|
|
|
static const aiImporterDesc desc = {
|
|
"3mf Importer",
|
|
"",
|
|
"",
|
|
"http://3mf.io/",
|
|
aiImporterFlags_SupportBinaryFlavour | aiImporterFlags_SupportCompressedFlavour,
|
|
0,
|
|
0,
|
|
0,
|
|
0,
|
|
"3mf"
|
|
};
|
|
|
|
|
|
D3MFImporter::D3MFImporter()
|
|
{
|
|
|
|
}
|
|
|
|
D3MFImporter::~D3MFImporter()
|
|
{
|
|
|
|
}
|
|
|
|
bool D3MFImporter::CanRead(const std::string &pFile, IOSystem *pIOHandler, bool checkSig) const
|
|
{
|
|
const std::string extension = GetExtension(pFile);
|
|
|
|
if(extension == "3mf")
|
|
{
|
|
return true;
|
|
}
|
|
else if(!extension.length() || checkSig)
|
|
{
|
|
if(!pIOHandler)
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void D3MFImporter::SetupProperties(const Importer *pImp)
|
|
{
|
|
|
|
}
|
|
|
|
const aiImporterDesc *D3MFImporter::GetInfo() const
|
|
{
|
|
return &desc;
|
|
}
|
|
|
|
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()));
|
|
std::unique_ptr<D3MF::XmlReader> xmlReader(irr::io::createIrrXMLReader(xmlStream.get()));
|
|
|
|
D3MF::XmlSerializer xmlSerializer(xmlReader.get());
|
|
|
|
|
|
xmlSerializer.ImportXml(pScene);
|
|
|
|
|
|
}
|
|
|
|
}
|
|
|
|
#endif // ASSIMP_BUILD_NO_3MF_IMPORTER
|