Method readControllerInstances

dae2ma/src/DAE2MAVisualSceneImporter.cpp:1410–1455

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    // -----------------------------------
    bool VisualSceneImporter::readControllerInstances ( const COLLADAFW::Node* node )
    {
        // Get the unique id of the current node.
        const COLLADAFW::UniqueId& transformId = node->getUniqueId ();

        // Get the maya transform node and set the transform matrix. 
        // We will need it again, if we import a skin controller.
        MayaNodesList* mayaNodesList = findMayaTransformNodes ( transformId );
        if ( mayaNodesList != 0 ) 
        {
            COLLADABU::Math::Matrix4 transformMatrix = node->getTransformationMatrix ();
            for ( size_t j=0; j<mayaNodesList->size (); ++j )
            {
                MayaNode* mayaNode = (*mayaNodesList) [j];
                mayaNode->setTransformationMatrix ( transformMatrix );
            }
        }

        // Go through the instances and save the ids to the current node.
        const COLLADAFW::InstanceControllerArray& controllerInstances = node->getInstanceControllers ();
        size_t numInstances = controllerInstances.getCount ();
        for ( size_t i=0; i<numInstances; ++i )
        {
            const COLLADAFW::InstanceController* instanceController = controllerInstances [i];
            const COLLADAFW::UniqueId& controllerId = instanceController->getInstanciatedObjectId ();

            // Save for every controller a list of transform nodes, which refer to it.
            mControllerTransformIdsMap[controllerId].push_back ( transformId );

            // Get the geometryId of the geometry, which is controlled from the current controller object.
            ControllerImporter* controllerImporter = getDocumentImporter ()->getControllerImporter ();
            const COLLADAFW::UniqueId* sourceId = controllerImporter->getControllerSourceId ( controllerId );
            if ( sourceId == NULL )
            {
                std::cerr << "No geometry for the current controller!" << std::endl;
                return false;
            }

            // Read the shading engines. Store the information, that the material instance is  
            // referenced from a controller object. We need this information if we do the 
            // connections between the geometries and the shadingEngines.
            readMaterialInstances ( transformId, instanceController, &controllerId );
        }

        return true;
    }

    // -----------------------------------
    template<COLLADAFW::ClassId classId>