public boolean updateLoadedChunks(World world) {
this.loadedChunks.clear();
final LongIterator iter = this.chunks.longIterator();
while (iter.hasNext()) {
long chunk = iter.next();
if (WorldUtil.isLoaded(world, MathUtil.longHashMsw(chunk), MathUtil.longHashLsw(chunk))) {
this.loadedChunks.add(chunk);
}
}
if (OfflineGroupManager.lastUnloadChunk != null) {
this.loadedChunks.remove(OfflineGroupManager.lastUnloadChunk);
}
return this.testFullyLoaded();
}
