toJSON method

dynamic toJSON(dynamic meta)

Implementation

toJSON(meta) {
  var isRootObject = (meta == null || meta is String);

  if (!isRootObject && meta.images[uuid] != null) {
    return meta.images[uuid];
  }

  var output = {"uuid": uuid, "url": ''};

  var data = this.data;

  if (data != null) {
    var url;

    if (data is List) {
      // cube texture

      url = [];

      for (var i = 0, l = data.length; i < l; i++) {
        if (data[i].isDataTexture) {
          url.add(serializeImage(data[i].image));
        } else {
          url.add(serializeImage(data[i]));
        }
      }
    } else {
      // texture

      url = serializeImage(data);
    }

    output["url"] = url;
  }

  if (!isRootObject) {
    meta.images[uuid] = output;
  }

  return output;
}