public void setBuilt() {
			worker.setTask(null);
			Task.Goto t = null;
			if(worker.getClosestEntity(new EntityFilter(EntityFilter.INCOMPLETE)) == null) {
				t = new Task.Goto(worker.getClosestEntity(new EntityFilter(EntityFilter.TREE)));
			} else {
				t = new Task.Goto(worker.getClosestEntity(new EntityFilter(EntityFilter.INCOMPLETE)));
			}
			t.init(worker);
		}