+ "." + Integer.toString(z, 36) + ".dat";
InputStream stream = getInputStream(folder1, folder2, filename);
NBTInputStream nbt = new NBTInputStream(
new GZIPInputStream(stream));
Tag tag;
try {
tag = nbt.readNamedTag().getTag();
if (!(tag instanceof CompoundTag)) {
throw new ChunkStoreException("CompoundTag expected for chunk; got "
+ tag.getClass().getName());
}
Map<String, Tag> children = ((CompoundTag) tag).getValue();
CompoundTag rootTag = null;