Method open

src/IECoreScene/PDCParticleReader.cpp:92–209

}

bool PDCParticleReader::open()
{
	if( !m_iStream || m_streamFileName!=fileName() )
	{
		delete m_iStream;
		m_iStream = new ifstream( fileName().c_str(), std::ios_base::binary | std::ios_base::in );
		if( !m_iStream->is_open() || !m_iStream->good() )
		{
			return false;
		}

		char pdc[4];
		m_iStream->read( pdc, 4 );
		if( strncmp( "PDC ", pdc, 4 ) )
		{
			m_header.valid = false;
			return false;
		}

		m_iStream->read( (char *)&m_header.version, sizeof( m_header.version ) );

		int endian = 0;
		m_iStream->read( (char *)&endian, sizeof( endian ) );
		if( endian!=1 )
		{
			m_header.reverseBytes = true;
			m_header.version = reverseBytes( m_header.version );
		}
		else
		{
			m_header.reverseBytes = false;
		}

		if( m_header.version > 1 )
		{
			msg( Msg::Warning, "PDCParticleReader::open()", format( "File \"%s\" has unknown version %d." ) % fileName() % m_header.version );
		}

		int unused = 0;
		m_iStream->read( (char *)&unused, sizeof( unused ) );
		m_iStream->read( (char *)&unused, sizeof( unused ) );

		m_iStream->read( (char *)&m_header.numParticles, sizeof( m_header.numParticles ) );
		if( m_header.reverseBytes )
		{
			m_header.numParticles = reverseBytes( m_header.numParticles );
		}

		int numAttributes;
		m_iStream->read( (char *)&numAttributes, sizeof( numAttributes ) );
		if( m_header.reverseBytes )
		{
			numAttributes = reverseBytes( numAttributes );
		}
		for( int i=0; i<numAttributes; i++ )
		{
			int nameLength;
			m_iStream->read( (char *)&nameLength, sizeof( nameLength ) );