Beispiel #1
0
OP_Node *LiveScene::retrieveChild( const Name &name, Path &contentPath, MissingBehaviour missingBehaviour ) const
{
	OP_Node *node = retrieveNode( false, missingBehaviour );
	OP_Node *contentBaseNode = retrieveNode( true, missingBehaviour );
	if ( !node || !contentBaseNode )
	{
		return 0;
	}
	
	OBJ_Node *objNode = node->castToOBJNode();
	OBJ_Node *contentNode = contentBaseNode->castToOBJNode();
	
	// check subnet children
	if ( node->isManager() || ( objNode && objNode->getObjectType() == OBJ_SUBNET ) )
	{
		for ( int i=0; i < node->getNchildren(); ++i )
		{
			OBJ_Node *child = node->getChild( i )->castToOBJNode();
			// the contentNode is actually an extension of ourself
			if ( child == contentNode )
			{
				continue;
			}
			
			if ( child && child->getName().equal( name.c_str() ) && !hasInput( child ) )
			{
				return child;
			}
		}
	}
	
	if ( contentNode )
	{
		// check connected outputs
		for ( unsigned i=0; i < contentNode->nOutputs(); ++i )
		{
			OP_Node *child = contentNode->getOutput( i );
			if ( child->getName().equal( name.c_str() ) )
			{
				return child;
			}
		}
		
		// check child shapes within the geo
		if ( contentNode->getObjectType() == OBJ_GEOMETRY )
		{
			OP_Context context( adjustedDefaultTime() );
			if ( const GU_Detail *geo = contentNode->getRenderGeometry( context, false ) )
			{
				GA_ROAttributeRef nameAttrRef = geo->findStringTuple( GA_ATTRIB_PRIMITIVE, "name" );
				if ( nameAttrRef.isValid() )
				{
					const GA_Attribute *nameAttr = nameAttrRef.getAttribute();
					const GA_AIFSharedStringTuple *tuple = nameAttr->getAIFSharedStringTuple();
					GA_Size numStrings = tuple->getTableEntries( nameAttr );
					for ( GA_Size i=0; i < numStrings; ++i )
					{
						GA_StringIndexType validatedIndex = tuple->validateTableHandle( nameAttr, i );
						if ( validatedIndex < 0 )
						{
							continue;
						}
						
						const char *currentName = tuple->getTableString( nameAttr, validatedIndex );
						const char *match = matchPath( currentName );
						if ( match && *match != *emptyString )
						{
							std::pair<const char *, size_t> childMarker = nextWord( match );
							std::string child( childMarker.first, childMarker.second );
							if ( name == child )
							{
								size_t contentSize = ( m_contentIndex ) ? m_path.size() - m_contentIndex : 0;
								if ( contentSize )
								{
									contentPath.resize( contentSize );
									std::copy( m_path.begin() + m_contentIndex, m_path.end(), contentPath.begin() );
								}

								contentPath.push_back( name );

								return contentNode;
							}
						}
					}
				}
			}
		}
	}
	
	if ( missingBehaviour == SceneInterface::ThrowIfMissing )
	{
		Path p;
		path( p );
		std::string pStr;
		pathToString( p, pStr );
		throw Exception( "IECoreHoudini::LiveScene::retrieveChild: Path \"" + pStr + "\" has no child named " + name.string() + "." );
	}
	
	return 0;
}
Beispiel #2
0
void LiveScene::childNames( NameList &childNames ) const
{
	OP_Node *node = retrieveNode();
	OBJ_Node *objNode = node->castToOBJNode();
	OBJ_Node *contentNode = retrieveNode( true )->castToOBJNode();
	
	// add subnet children
	if ( node->isManager() || ( objNode && objNode->getObjectType() == OBJ_SUBNET ) )
	{
		for ( int i=0; i < node->getNchildren(); ++i )
		{
			OBJ_Node *child = node->getChild( i )->castToOBJNode();
			
			// ignore children that have incoming connections, as those are actually grandchildren
			// also ignore the contentNode, which is actually an extension of ourself
			if ( child && child != contentNode && !hasInput( child ) )
			{
				childNames.push_back( Name( child->getName() ) );
			}
		}
	}
	
	if ( !contentNode )
	{
		return;
	}
	
	// add connected outputs
	for ( unsigned i=0; i < contentNode->nOutputs(); ++i )
	{
		childNames.push_back( Name( contentNode->getOutput( i )->getName() ) );
	}
	
	// add child shapes within the geometry
	if ( contentNode->getObjectType() == OBJ_GEOMETRY )
	{
		OP_Context context( adjustedDefaultTime() );
		const GU_Detail *geo = contentNode->getRenderGeometry( context, false );
		if ( !geo )
		{
			return;
		}
		
		GA_ROAttributeRef nameAttrRef = geo->findStringTuple( GA_ATTRIB_PRIMITIVE, "name" );
		if ( !nameAttrRef.isValid() )
		{
			return;
		}
		
		const GA_Attribute *nameAttr = nameAttrRef.getAttribute();
		const GA_AIFSharedStringTuple *tuple = nameAttr->getAIFSharedStringTuple();
		GA_Size numStrings = tuple->getTableEntries( nameAttr );
		for ( GA_Size i=0; i < numStrings; ++i )
		{
			GA_StringIndexType validatedIndex = tuple->validateTableHandle( nameAttr, i );
			if ( validatedIndex < 0 )
			{
				continue;
			}
			
			const char *currentName = tuple->getTableString( nameAttr, validatedIndex );
			const char *match = matchPath( currentName );
			if ( match && *match != *emptyString )
			{
				std::pair<const char *, size_t> childMarker = nextWord( match );
				std::string child( childMarker.first, childMarker.second );
				if ( std::find( childNames.begin(), childNames.end(), child ) == childNames.end() )
				{
					childNames.push_back( child );
				}
			}
		}
	}
}