public class Test extends Plugin {

    TestListener listener;

    public void initialize() {
        listener = new TestListener();
        etc.getLoader().addListener(PluginLoader.Hook.PLAYER_MOVE, listener, this, PluginListener.Priority.MEDIUM);
        etc.getLoader().addListener(PluginLoader.Hook.BLOCK_CREATED, listener, this, PluginListener.Priority.MEDIUM);
    }

    public void enable() {
    }

    public void disable() {
    }

    public class TestListener extends PluginListener {

        public void onPlayerMove(Player player, Location from, Location to) {
            /* ONE-WAY GLASS CODE */
            if (to.x == 147 && to.z == 81) {
                if (from.z > to.z) {
                    player.sendMessage("leaving");
                    sendFakeChange(player,145,65,81,20);
                    sendFakeChange(player,145,66,81,20);
                    sendFakeChange(player,144,65,81,20);
                    sendFakeChange(player,144,66,81,20);
                } else {
                    player.sendMessage("entering");
                    sendFakeChange(player,145,65,81,1);
                    sendFakeChange(player,145,66,81,1);
                    sendFakeChange(player,144,65,81,1);
                    sendFakeChange(player,144,66,81,1);
                }
            }
        }

        public boolean onBlockCreate(Player player, Block placed, Block clicked, int itemInHand) {
            if (itemInHand == -1) {
                player.sendMessage(clicked.getX() + "," + clicked.getY() + "," + clicked.getZ());
            }
            return false;
        }

        private void sendFakeChange(Player player, int x, int y, int z, int type) {
            fj packet = new fj();
            packet.a = x;
            packet.b = y;
            packet.c = z;
            packet.d = (byte)type;
            packet.e = (byte)0;
            player.getUser().a.b(packet);
        }

    }

}