public class NoChunks extends JavaPlugin {

	private MyThread thread;

	@Override
	public void onDisable() {
		thread.isRunning = false;

		while(thread.isAlive()) {}

		System.out.println("[NotLag] Disabled");
		getServer().getScheduler().cancelTasks(this);
	}

	@Override
	public void onEnable() {
		thread = new MyThread();
		System.out.println("[NotLag] Enabled");
		getServer().getPluginManager().registerEvents(new MyListener(), this);

		getServer().getScheduler().scheduleSyncRepeatingTask(this, new Runnable() {
			public void run() {
				for(World world : getServer().getWorlds()) {
					if(world.getPlayers().size() == 0) {
						for(Chunk c : world.getLoadedChunks())
							if(c.getWorld().getPlayers().size() == 0)
								world.unloadChunk(c);
					} else {
						// No longer remove the entities
						//for(Chunk c : world.getLoadedChunks()) {
						//	Entity[] elist = c.getEntities();
						//	for(int i=0; (i<elist.length && i<3); i++)
						//	if(!(elist[i] instanceof Player))
						//		elist[i].remove();
						//}
					}
				}
			}
		}, 200, 200);
		// Every tick?
		getServer().getScheduler().scheduleSyncRepeatingTask(this, new Runnable() {
			public void run() {
				thread.ticks++;
			}
		}, 1, 1);
		thread.start();
	}


class MyListener implements Listener {

	@Override
	public int hashCode() {
		return 0;
	}

	@EventHandler(priority = EventPriority.LOWEST)
	public void onWorldInit(WorldInitEvent event) {
		World world = event.getWorld();
		world.setKeepSpawnInMemory(false);
	}
}

class MyThread extends Thread {

	public boolean isRunning = true;

	public int ticks = 0;

	public int runs = 0;

	ArrayList<Double> tpsList = new ArrayList<Double>();

	public void run() {
		ticks = 0;
		while(isRunning) {
			// Sleep for 10 seconds
			try {
				for(int i=0; i<100 && isRunning; i++)
					sleep(100);
			} catch (InterruptedException e) {
				e.printStackTrace();
			}
			// Count the number of ticks
			double ticks = 0.0+this.ticks;
			double amount = ticks/10;
			tpsList.add(amount);
			this.ticks = 0;
			// Clear the tpsList every so often
			if(tpsList.size() > 6)
				tpsList.remove(0);
		}
	}

}