{
    if (com.grinderwolf.swm.clsm.ClassModifier.isCustomWorld($0.world)) {
        int i = 0;
        $0.chunkScheduler.a(com.grinderwolf.swm.clsm.ClassModifier.BOOLEAN_SUPPLIER);

        synchronized ($0.chunkLoader) {
            it.unimi.dsi.fastutil.objects.ObjectIterator objectiterator = $0.chunks.values().iterator();

            while (objectiterator.hasNext()) {
                net.minecraft.server.v1_13_R2.Chunk chunk = (net.minecraft.server.v1_13_R2.Chunk) objectiterator.next();

                if (chunk.c($1)) {
                    $0.saveChunk(chunk, false);
                    chunk.a(false);
                    i++;
                }
            }

            return true;
        }
    }
}