If you are determined to mess around on your own private server (or a LAN world), the community currently points to:
Most Eaglercraft hacked clients come with a GUI (usually press or R to open) featuring: eaglercraft hacked client
Offers a wide range of combat and movement mods specifically for Eaglercraft. If you are determined to mess around on
@EventHandler public void onPlayerMove(PlayerMoveEvent e) Player p = e.getPlayer(); Location from = e.getFrom(); Location to = e.getTo(); Location from = e.getFrom()