//spool all materials
for (File name : fList) {
try {
MaterialList mats = (MaterialList) assetMan.loadAsset(name.getAbsolutePath());
for(String id : mats.keySet()){
Material m = mats.get(id);
m.setName(id);
String ass = "mats/"+file.getName()+"/"+id+ ".j3o";
// m.setAssetName(ass);
BinaryExporter.getInstance().save(m,