Method Initialize

trinity/TriValueBinding.cpp:322–431

}

void TriValueBinding::Initialize()
{
	m_source = NULL;
	m_destination = NULL;
	m_copyFunc = NULL;
	m_notifyPtr = nullptr;

	IRoot* sourceObject = GetCurrentSourceObject();
	IRoot* destinationObject = GetCurrentDestinationObject();

	if( !sourceObject || !destinationObject )
	{
		// No point doing anything yet - all copy functions need a source and destination object
		return;
	}

	if( !m_copyValueCallable && ( m_sourceAttribute.empty() || m_destinationAttribute.empty() ) )
	{
		// All copy functions except the Python callback require a source and destination attribute
		return;
	}

	const Be::ClassInfo* srcClassInfo = sourceObject->ClassType();
	const Be::ClassInfo* dstClassInfo = destinationObject->ClassType();

	size_t dataSize = 0;

	m_sourceItemOffset = 0;
	bool sourceFloatArrayAsFloat = false;

	std::string sourceAttr = m_sourceAttribute;
	size_t sourceDot = sourceAttr.find( '.' );
	if( sourceDot != std::string::npos )
	{
		std::string sourceItem = sourceAttr.substr( sourceDot + 1 );
		if( auto offset = GetItemOffset( sourceItem ) )
		{
			sourceFloatArrayAsFloat = true;
			m_sourceItemOffset = *offset * sizeof( float );
		}
		sourceAttr = sourceAttr.substr( 0, sourceDot );
	}

	m_destItemOffset = 0;
	bool destFloatArrayAsFloat = false;

	std::string destAttr = m_destinationAttribute.c_str();
	size_t destDot = destAttr.find( '.' );
	if( destDot != std::string::npos )
	{
		std::string destItem = destAttr.substr( destDot + 1 );
		if( auto offset = GetItemOffset( destItem ) )
		{
			destFloatArrayAsFloat = true;
			m_destItemOffset = *offset * sizeof( float );
		}
		destAttr = destAttr.substr( 0, destDot );
	}