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Obj-Importer: fix https://github.com/assimp/assimp/issues/641

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This commit is contained in:
Kim Kulling
2015-08-30 15:21:53 +02:00
parent 9708a4db93
commit e4510c26ba
6 changed files with 197 additions and 41 deletions
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60
code/ObjFileParser.cpp
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@@ -61,21 +61,21 @@ const std::string ObjFileParser::DEFAULT_MATERIAL = AI_DEFAULT_MATERIAL_NAME;
// -------------------------------------------------------------------
// Constructor with loaded data and directories.
ObjFileParser::ObjFileParser(std::vector<char> &Data,const std::string &strModelName, IOSystem *io ) :
m_DataIt(Data.begin()),
m_DataItEnd(Data.end()),
ObjFileParser::ObjFileParser(std::vector<char> &data,const std::string &modelName, IOSystem *io ) :
m_DataIt(data.begin()),
m_DataItEnd(data.end()),
m_pModel(NULL),
m_uiLine(0),
m_pIO( io )
{
std::fill_n(m_buffer,BUFFERSIZE,0);
std::fill_n(m_buffer,Buffersize,0);
// Create the model instance to store all the data
m_pModel = new ObjFile::Model();
m_pModel->m_ModelName = strModelName;
m_pModel->m_ModelName = modelName;
// create default material and store it
m_pModel->m_pDefaultMaterial = new ObjFile::Material();
m_pModel->m_pDefaultMaterial = new ObjFile::Material;
m_pModel->m_pDefaultMaterial->MaterialName.Set( DEFAULT_MATERIAL );
m_pModel->m_MaterialLib.push_back( DEFAULT_MATERIAL );
m_pModel->m_MaterialMap[ DEFAULT_MATERIAL ] = m_pModel->m_pDefaultMaterial;
@@ -248,20 +248,20 @@ void ObjFileParser::getVector( std::vector<aiVector3D> &point3d_array ) {
}
float x, y, z;
if( 2 == numComponents ) {
copyNextWord( m_buffer, BUFFERSIZE );
copyNextWord( m_buffer, Buffersize );
x = ( float ) fast_atof( m_buffer );
copyNextWord( m_buffer, BUFFERSIZE );
copyNextWord( m_buffer, Buffersize );
y = ( float ) fast_atof( m_buffer );
z = 0.0;
} else if( 3 == numComponents ) {
copyNextWord( m_buffer, BUFFERSIZE );
copyNextWord( m_buffer, Buffersize );
x = ( float ) fast_atof( m_buffer );
copyNextWord( m_buffer, BUFFERSIZE );
copyNextWord( m_buffer, Buffersize );
y = ( float ) fast_atof( m_buffer );
copyNextWord( m_buffer, BUFFERSIZE );
copyNextWord( m_buffer, Buffersize );
z = ( float ) fast_atof( m_buffer );
} else {
throw DeadlyImportError( "OBJ: Invalid number of components" );
@@ -274,13 +274,13 @@ void ObjFileParser::getVector( std::vector<aiVector3D> &point3d_array ) {
// Get values for a new 3D vector instance
void ObjFileParser::getVector3(std::vector<aiVector3D> &point3d_array) {
float x, y, z;
copyNextWord(m_buffer, BUFFERSIZE);
copyNextWord(m_buffer, Buffersize);
x = (float) fast_atof(m_buffer);
copyNextWord(m_buffer, BUFFERSIZE);
copyNextWord(m_buffer, Buffersize);
y = (float) fast_atof(m_buffer);
copyNextWord( m_buffer, BUFFERSIZE );
copyNextWord( m_buffer, Buffersize );
z = ( float ) fast_atof( m_buffer );
point3d_array.push_back( aiVector3D( x, y, z ) );
@@ -291,10 +291,10 @@ void ObjFileParser::getVector3(std::vector<aiVector3D> &point3d_array) {
// Get values for a new 2D vector instance
void ObjFileParser::getVector2( std::vector<aiVector2D> &point2d_array ) {
float x, y;
copyNextWord(m_buffer, BUFFERSIZE);
copyNextWord(m_buffer, Buffersize);
x = (float) fast_atof(m_buffer);
copyNextWord(m_buffer, BUFFERSIZE);
copyNextWord(m_buffer, Buffersize);
y = (float) fast_atof(m_buffer);
point2d_array.push_back(aiVector2D(x, y));
@@ -306,12 +306,12 @@ void ObjFileParser::getVector2( std::vector<aiVector2D> &point2d_array ) {
// Get values for a new face instance
void ObjFileParser::getFace(aiPrimitiveType type)
{
copyNextLine(m_buffer, BUFFERSIZE);
copyNextLine(m_buffer, Buffersize);
if (m_DataIt == m_DataItEnd)
return;
char *pPtr = m_buffer;
char *pEnd = &pPtr[BUFFERSIZE];
char *pEnd = &pPtr[Buffersize];
pPtr = getNextToken<char*>(pPtr, pEnd);
if (pPtr == pEnd || *pPtr == '\0')
return;
@@ -468,8 +468,9 @@ void ObjFileParser::getMaterialDesc()
// Get next data for material data
m_DataIt = getNextToken<DataArrayIt>(m_DataIt, m_DataItEnd);
if (m_DataIt == m_DataItEnd)
if (m_DataIt == m_DataItEnd) {
return;
}
char *pStart = &(*m_DataIt);
while( m_DataIt != m_DataItEnd && !IsLineEnd( *m_DataIt ) ) {
@@ -483,14 +484,11 @@ void ObjFileParser::getMaterialDesc()
// Search for material
std::map<std::string, ObjFile::Material*>::iterator it = m_pModel->m_MaterialMap.find( strName );
if ( it == m_pModel->m_MaterialMap.end() )
{
if ( it == m_pModel->m_MaterialMap.end() ) {
// Not found, use default material
m_pModel->m_pCurrentMaterial = m_pModel->m_pDefaultMaterial;
DefaultLogger::get()->error("OBJ: failed to locate material " + strName + ", skipping");
}
else
{
} else {
// Found, using detected material
m_pModel->m_pCurrentMaterial = (*it).second;
if ( needsNewMesh( strName ))
@@ -539,18 +537,26 @@ void ObjFileParser::getMaterialLib()
// Check for existence
const std::string strMatName(pStart, &(*m_DataIt));
IOStream *pFile = m_pIO->Open(strMatName);
std::string absName;
if ( m_pIO->StackSize() > 0 ) {
const std::string &path = m_pIO->CurrentDirectory();
absName = path + strMatName;
} else {
absName = strMatName;
}
//IOStream *pFile = m_pIO->Open( strMatName );
IOStream *pFile = m_pIO->Open( absName );
if (!pFile )
{
DefaultLogger::get()->error("OBJ: Unable to locate material file " + strMatName);
DefaultLogger::get()->error("OBJ: Unable to locate material file " + strMatName );
m_DataIt = skipLine<DataArrayIt>( m_DataIt, m_DataItEnd, m_uiLine );
return;
}
// Import material library data from file
std::vector<char> buffer;
BaseImporter::TextFileToBuffer(pFile,buffer);
BaseImporter::TextFileToBuffer( pFile, buffer );
m_pIO->Close( pFile );
// Importing the material library