package me.totalfreedom.totalfreedommod; import net.pravian.aero.component.service.AbstractService; import org.bukkit.entity.Player; import org.bukkit.event.EventHandler; import org.bukkit.event.EventPriority; import org.bukkit.event.player.PlayerLoginEvent; import org.bukkit.event.player.PlayerTeleportEvent; public class MovementValidator extends AbstractService { public static final int MAX_XZ_COORD = 30000000; public MovementValidator(TotalFreedomMod plugin) { super(plugin); } @Override protected void onStart() { } @Override protected void onStop() { } @EventHandler(priority = EventPriority.HIGH) public void onPlayerTeleport(PlayerTeleportEvent event) { // Check absolute value to account for negatives if (Math.abs(event.getTo().getX()) >= MAX_XZ_COORD || Math.abs(event.getTo().getZ()) >= MAX_XZ_COORD) { event.setCancelled(true); // illegal position, cancel it } } @EventHandler(priority = EventPriority.HIGH) public void onPlayerLogin(PlayerLoginEvent event) { final Player player = event.getPlayer(); // Validate position if (Math.abs(player.getLocation().getX()) >= MAX_XZ_COORD || Math.abs(player.getLocation().getZ()) >= MAX_XZ_COORD) { player.teleport(player.getWorld().getSpawnLocation()); // Illegal position, teleport to spawn } } }