parseAnimation method

Implementation

parseAnimation(XmlElement xml ) {
  final Map<String,dynamic> data = {
    'sources': {},
    'samplers': {},
    'channels': {}
  };

  bool hasChildren = false;

  for (final child in xml.descendantElements ) {
    String id;
    switch ( child.name.local ) {
      case 'source':
        id = child.getAttribute( 'id' )!;
        data['sources']![ id ] = parseSource( child );
        break;
      case 'sampler':
        id = child.getAttribute( 'id' )!;
        data['samplers']![ id ] = parseAnimationSampler( child );
        break;
      case 'channel':
        id = child.getAttribute( 'target' )!;
        data['channels']![ id ] = parseAnimationChannel( child );
        break;
      case 'animation':
        parseAnimation( child );
        hasChildren = true;
        break;
      default:
        console.info( child );
    }
  }

  if ( !hasChildren ) {
    // since 'id' attributes can be optional, it's necessary to generate a UUID for unqiue assignment
    library['animations']![ xml.getAttribute( 'id' ) ?? MathUtils.generateUUID() ] = data;
  }
}