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Merge pull request #1842 from assimp/3mf_basematerial_support 

3mf basematerial support
pull/1841/head
Kim Kulling 2018-03-20 20:32:58 +01:00 committed by GitHub
parent 9febb392d8 2d7ece4ce7
commit 290dd28c98
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
7 changed files with 224 additions and 22 deletions
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26
code/D3MFExporter.cpp
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@ -117,6 +117,7 @@ bool D3MFExporter::exportArchive( const char *file ) {
if ( nullptr == m_zipArchive ) {
return false;
}
ok |= exportContentTypes();
ok |= export3DModel();
ok |= exportRelations();
@ -181,6 +182,8 @@ bool D3MFExporter::export3DModel() {
mModelOutput << "<" << XmlTag::resources << ">";
mModelOutput << std::endl;
writeMetaData();
writeBaseMaterials();
writeObjects();
@ -209,6 +212,29 @@ void D3MFExporter::writeHeader() {
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;
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";
for ( size_t i = 0; i < mScene->mNumMaterials; ++i ) {

1
code/D3MFExporter.h
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@ -76,6 +76,7 @@ public:
protected:
void writeHeader();
void writeMetaData();
void writeBaseMaterials();
void writeObjects();
void writeMesh( aiMesh *mesh );

39
code/D3MFImporter.cpp
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@ -102,6 +102,8 @@ public:
//
} else if ( nodeName == D3MF::XmlTag::basematerials ) {
ReadBaseMaterials();
} else if ( nodeName == D3MF::XmlTag::meta ) {
ReadMetadata();
}
}
@ -109,19 +111,31 @@ public:
scene->mRootNode->mName.Set( "3MF" );
}
// import the metadata
if ( !mMetaData.empty() ) {
const size_t numMeta( mMetaData.size() );
scene->mMetaData = aiMetadata::Alloc( numMeta );
for ( size_t i = 0; i < numMeta; ++i ) {
aiString val( mMetaData[ i ].value );
scene->mMetaData->Set( i, mMetaData[ i ].name, val );
}
}
// import the meshes
scene->mNumMeshes = static_cast<unsigned int>( mMeshes.size());
scene->mMeshes = new aiMesh*[scene->mNumMeshes]();
std::copy( mMeshes.begin(), mMeshes.end(), scene->mMeshes);
// import the materials
scene->mNumMaterials = static_cast<unsigned int>( mMatArray.size() );
if ( 0 != scene->mNumMaterials ) {
scene->mMaterials = new aiMaterial*[ scene->mNumMaterials ];
std::copy( mMatArray.begin(), mMatArray.end(), scene->mMaterials );
}
// create the scenegraph
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);
}
@ -180,6 +194,21 @@ private:
return mesh;
}
void ReadMetadata() {
const std::string name = xmlReader->getAttributeValue( D3MF::XmlTag::meta_name.c_str() );
xmlReader->read();
const std::string value = xmlReader->getNodeData();
if ( name.empty() ) {
return;
}
MetaEntry entry;
entry.name = name;
entry.value = value;
mMetaData.push_back( entry );
}
void ImportVertices(aiMesh* mesh) {
std::vector<aiVector3D> vertices;
while(ReadToEndElement(D3MF::XmlTag::vertices)) {
@ -371,8 +400,12 @@ private:
return false;
}
private:
struct MetaEntry {
std::string name;
std::string value;
};
std::vector<MetaEntry> mMetaData;
std::vector<aiMesh*> mMeshes;
MatArray mMatArray;
unsigned int mActiveMatGroup;

3
code/Exporter.cpp
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@ -308,7 +308,8 @@ bool IsVerboseFormat(const aiScene* pScene) {
}
// ------------------------------------------------------------------------------------------------
aiReturn Exporter::Export( const aiScene* pScene, const char* pFormatId, const char* pPath, unsigned int pPreprocessing, const ExportProperties* pProperties) {
aiReturn Exporter::Export( const aiScene* pScene, const char* pFormatId, const char* pPath,
unsigned int pPreprocessing, const ExportProperties* pProperties) {
ASSIMP_BEGIN_EXCEPTION_REGION();
// when they create scenes from scratch, users will likely create them not in verbose

8
code/SceneCombiner.cpp
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@ -55,6 +55,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <assimp/SceneCombiner.h>
#include <assimp/StringUtils.h>
#include <assimp/fast_atof.h>
#include <assimp/metadata.h>
#include <assimp/Hash.h>
#include "time.h"
#include <assimp/DefaultLogger.hpp>
@ -1001,7 +1002,12 @@ void SceneCombiner::CopyScene(aiScene** _dest,const aiScene* src,bool allocate)
*_dest = new aiScene();
}
aiScene* dest = *_dest;
ai_assert(dest);
ai_assert(nullptr != dest);
// copy metadata
if ( nullptr != src->mMetaData ) {
dest->mMetaData = new aiMetadata( *src->mMetaData );
}
// copy animations
dest->mNumAnimations = src->mNumAnimations;

98
include/assimp/metadata.h
View File

@ -67,6 +67,7 @@ typedef enum aiMetadataType {
AI_DOUBLE = 4,
AI_AISTRING = 5,
AI_AIVECTOR3D = 6,
AI_META_MAX = 7,
#ifndef SWIG
FORCE_32BIT = INT_MAX
@ -130,42 +131,103 @@ struct aiMetadata {
*/
aiMetadata()
: mNumProperties(0)
, mKeys(NULL)
, mValues(NULL) {
, mKeys(nullptr)
, mValues(nullptr) {
// empty
}
aiMetadata( const aiMetadata &rhs )
: mNumProperties( rhs.mNumProperties )
, mKeys( nullptr )
, mValues( nullptr ) {
mKeys = new aiString[ mNumProperties ];
for ( unsigned int i = 0; i < mNumProperties; ++i ) {
mKeys[ i ] = rhs.mKeys[ i ];
}
mValues = new aiMetadataEntry[ mNumProperties ];
for ( unsigned int i = 0; i < mNumProperties; ++i ) {
mValues[ i ].mType = rhs.mValues[ i ].mType;
switch ( rhs.mValues[ i ].mType ) {
case AI_BOOL:
mValues[ i ].mData = new bool( rhs.mValues[i].mData );
break;
case AI_INT32: {
int32_t v;
::memcpy( &v, rhs.mValues[ i ].mData, sizeof( int32_t ) );
mValues[ i ].mData = new int32_t( v );
}
break;
case AI_UINT64: {
uint64_t v;
::memcpy( &v, rhs.mValues[ i ].mData, sizeof( uint64_t ) );
mValues[ i ].mData = new uint64_t( v );
}
break;
case AI_FLOAT: {
float v;
::memcpy( &v, rhs.mValues[ i ].mData, sizeof( float ) );
mValues[ i ].mData = new float( v );
}
break;
case AI_DOUBLE: {
double v;
::memcpy( &v, rhs.mValues[ i ].mData, sizeof( double ) );
mValues[ i ].mData = new double( v );
}
break;
case AI_AISTRING: {
aiString v;
rhs.Get<aiString>( mKeys[ i ], v );
mValues[ i ].mData = new aiString( v );
}
break;
case AI_AIVECTOR3D: {
aiVector3D v;
rhs.Get<aiVector3D>( mKeys[ i ], v );
mValues[ i ].mData = new aiVector3D( v );
}
break;
#ifndef SWIG
case FORCE_32BIT:
#endif
default:
break;
}
}
}
/**
* @brief The destructor.
*/
~aiMetadata() {
delete [] mKeys;
mKeys = NULL;
mKeys = nullptr;
if (mValues) {
// Delete each metadata entry
for (unsigned i=0; i<mNumProperties; ++i) {
void* data = mValues[i].mData;
switch (mValues[i].mType) {
case AI_BOOL:
delete static_cast<bool*>(data);
delete static_cast< bool* >( data );
break;
case AI_INT32:
delete static_cast<int32_t*>(data);
delete static_cast< int32_t* >( data );
break;
case AI_UINT64:
delete static_cast<uint64_t*>(data);
delete static_cast< uint64_t* >( data );
break;
case AI_FLOAT:
delete static_cast<float*>(data);
delete static_cast< float* >( data );
break;
case AI_DOUBLE:
delete static_cast<double*>(data);
delete static_cast< double* >( data );
break;
case AI_AISTRING:
delete static_cast<aiString*>(data);
delete static_cast< aiString* >( data );
break;
case AI_AIVECTOR3D:
delete static_cast<aiVector3D*>(data);
delete static_cast< aiVector3D* >( data );
break;
#ifndef SWIG
case FORCE_32BIT:
@ -177,7 +239,7 @@ struct aiMetadata {
// Delete the metadata array
delete [] mValues;
mValues = NULL;
mValues = nullptr;
}
}
@ -208,8 +270,8 @@ struct aiMetadata {
}
template<typename T>
inline void Add(const std::string& key, const T& value)
{
inline
void Add(const std::string& key, const T& value) {
aiString* new_keys = new aiString[mNumProperties + 1];
aiMetadataEntry* new_values = new aiMetadataEntry[mNumProperties + 1];
@ -256,7 +318,7 @@ struct aiMetadata {
template<typename T>
inline
bool Get( unsigned index, T& value ) {
bool Get( unsigned index, T& value ) const {
// In range assertion
if ( index >= mNumProperties ) {
return false;
@ -277,7 +339,7 @@ struct aiMetadata {
template<typename T>
inline
bool Get( const aiString& key, T& value ) {
bool Get( const aiString& key, T& value ) const {
// Search for the given key
for ( unsigned int i = 0; i < mNumProperties; ++i ) {
if ( mKeys[ i ] == key ) {
@ -288,7 +350,8 @@ struct aiMetadata {
}
template<typename T>
inline bool Get( const std::string& key, T& value ) {
inline
bool Get( const std::string& key, T& value ) const {
return Get(aiString(key), value);
}
@ -297,7 +360,8 @@ struct aiMetadata {
/// \param [out] pKey - pointer to the key value.
/// \param [out] pEntry - pointer to the entry: type and value.
/// \return false - if pIndex is out of range, else - true.
inline bool Get(size_t index, const aiString*& key, const aiMetadataEntry*& entry) {
inline
bool Get(size_t index, const aiString*& key, const aiMetadataEntry*& entry) const {
if ( index >= mNumProperties ) {
return false;
}

71
test/unit/utMetadata.cpp
View File

@ -181,3 +181,74 @@ TEST_F( utMetadata, get_set_aiVector3D_Test ) {
EXPECT_TRUE( success );
}
TEST_F( utMetadata, copy_test ) {
m_data = aiMetadata::Alloc( AI_META_MAX );
bool bv = true;
m_data->Set( 0, "bool", bv );
int32_t i32v = -10;
m_data->Set( 1, "int32", i32v );
uint64_t ui64v = static_cast<uint64_t>( 10 );
m_data->Set( 2, "uint64", ui64v );
float fv = 1.0f;
m_data->Set( 3, "float", fv );
double dv = 2.0;
m_data->Set( 4, "double", dv );
const aiString strVal( std::string( "test" ) );
m_data->Set( 5, "aiString", strVal );
aiVector3D vecVal( 1, 2, 3 );
m_data->Set( 6, "aiVector3D", vecVal );
aiMetadata copy( *m_data );
EXPECT_EQ( 7, copy.mNumProperties );
// bool test
{
bool v;
EXPECT_TRUE( copy.Get( "bool", v ) );
EXPECT_EQ( bv, v );
}
// int32_t test
{
int32_t v;
bool ok = copy.Get( "int32", v );
EXPECT_TRUE( ok );
EXPECT_EQ( i32v, v );
}
// uint64_t test
{
uint64_t v;
bool ok = copy.Get( "uint64", v );
EXPECT_TRUE( ok );
EXPECT_EQ( ui64v, v );
}
// float test
{
float v;
EXPECT_TRUE( copy.Get( "float", v ) );
EXPECT_EQ( fv, v );
}
// double test
{
double v;
EXPECT_TRUE( copy.Get( "double", v ) );
EXPECT_EQ( dv, v );
}
// bool test
{
aiString v;
EXPECT_TRUE( copy.Get( "aiString", v ) );
EXPECT_EQ( strVal, v );
}
// bool test
{
aiVector3D v;
EXPECT_TRUE( copy.Get( "aiVector3D", v ) );
EXPECT_EQ( vecVal, v );
}
}