Function PyGetItem

trinity/Tr2RuntimeInstanceData_Blue.cpp:151–196

}

static PyObject* PyGetItem( PyObject* self, PyObject* args )
{
	Tr2RuntimeInstanceData* pThis = BluePythonCast<Tr2RuntimeInstanceData*>( self );

	unsigned index;
	if( !PyArg_ParseTuple( args, "I", &index ) )
	{
		return nullptr;
	}

	if( pThis->GetCount() <= index )
	{
		PyErr_SetString( PyExc_IndexError, "Index out of range" );
		return nullptr;
	}

	const Tr2VertexDefinition& def = pThis->GetLayout();
	if( def.m_items.empty() )
	{
		PyErr_SetString( PyExc_RuntimeError, "No layout set for runtime data" );
		return nullptr;
	}

	const float* data = reinterpret_cast<const float*>( reinterpret_cast<const char*>( pThis->GetData() ) + pThis->GetStride() * index );

	PyObject* pyData = PyTuple_New( def.m_items.size() );
	for( size_t j = 0; j < def.m_items.size(); ++j )
	{
		unsigned size = def.GetDataTypeSizeInMembers( def.m_items[j].m_dataType );
		if( size == 1 )
		{
			PyTuple_SET_ITEM( pyData, j, PyFloat_FromDouble( *data++ ) );
		}
		else
		{
			PyObject* element = PyTuple_New( size );
			for( unsigned k = 0; k < size; ++k )
			{
				PyTuple_SET_ITEM( element, k, PyFloat_FromDouble( *data++ ) );
			}
			PyTuple_SET_ITEM( pyData, j, PyFloat_FromDouble( *data++ ) );
		}
	}

	return pyData;
}

static PyObject* PySetItem( PyObject* self, PyObject* args )
{