Method createBlendShape

dae2ma/src/DAE2MAControllerImporter.cpp:255–389

--------------------------------------------

    // --------------------------------------------
    const String ControllerImporter::createBlendShape ( 
        COLLADAFW::MorphController* morphController, 
        BlendShapeData& blendShapeData )
    {
        // The uniqueId.
        const COLLADAFW::UniqueId& controllerId = morphController->getUniqueId ();

        // Create a unique blend shape name.
        String blendShapeName = morphController->getName ();
        if ( blendShapeName.empty () ) blendShapeName = BLEND_SHAPE_NAME;
        blendShapeName = DocumentImporter::frameworkNameToMayaName ( blendShapeName );
        const ExtraDataCallbackHandler& callbackHandler = getDocumentImporter ()->getMayaIdCallbackHandler ();
        String originalMayaId = getOriginalMayaId ( callbackHandler, controllerId, COLLADASaxFWL15::HASH_ELEMENT_CONTROLLER );
        if ( !originalMayaId.empty () ) blendShapeName = originalMayaId;
        blendShapeName = generateUniqueDependNodeName ( blendShapeName, true, true );

        // Create the skin cluster
        FILE* file = getDocumentImporter ()->getFile ();
        MayaDM::BlendShape* blendShape = new MayaDM::BlendShape ( file, blendShapeName );
        blendShapeData.setBlendShape ( blendShape );

        // Add the original id attribute.
        String colladaId = morphController->getOriginalId ();
        if ( !colladaId.empty () )
        {
            MayaDM::addAttr ( file, COLLADA_ID_ATTRIBUTE_NAME, ATTRIBUTE_DATA_TYPE, ATTRIBUTE_TYPE_STRING );
            MayaDM::setAttr ( file, COLLADA_ID_ATTRIBUTE_NAME, ATTRIBUTE_TYPE, ATTRIBUTE_TYPE_STRING, colladaId );
        }
//         // TODO Add the attributes for all the extra tags.
//         setExtraData ( morphController->getExtraDataArray () );

        // Write the weights
        const COLLADAFW::UniqueIdArray& morphTargets = morphController->getMorphTargets ();
        size_t numMorphTargets = morphTargets.getCount ();
        COLLADAFW::FloatOrDoubleArray& morphWeights = morphController->getMorphWeights ();
        size_t numMorphWeights = morphWeights.getValuesCount ();
        if (  numMorphTargets != numMorphWeights )
        {
            std::cerr << "The number of morph targets differs from the number of morph weights!" << std::endl;
            return EMPTY_STRING;
        }

        // Add the morph targets in the list of targets.
        for ( size_t targetIndex=0; targetIndex<numMorphTargets; ++targetIndex )
        {
            const COLLADAFW::UniqueId& morphTargetId = morphTargets [targetIndex];
            mMorphTargetIds [controllerId].push_back ( morphTargetId );
        }

        // setAttr -size 5 ".weight[0:4]"  0 1 0 0 0;
        if ( numMorphWeights == 1 )
        {
            float weight = getFloatValue ( morphWeights, 0 );
            blendShape->setWeight ( 0, weight );
        }
        else
        {
            const COLLADAFW::FloatOrDoubleArray::DataType& inputDataType = morphWeights.getType ();