fix dis sht

package me.RSP.bb.Mechanics.basic;

import me.RSP.bb.Main;
import me.RSP.bb.Arenas.Arena;
import me.RSP.bb.Arenas.ArenaState;

import org.bukkit.Bukkit;
import org.bukkit.ChatColor;
import org.bukkit.Material;
import org.bukkit.World;
import org.bukkit.block.Sign;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.block.Action;
import org.bukkit.event.block.SignChangeEvent;
import org.bukkit.event.player.PlayerInteractEvent;

public class Signs implements Listener{

    @EventHandler
    public void onSignChange(SignChangeEvent e){

        if (!e.getBlock().getWorld().getName().equalsIgnoreCase("Lobby")){
            e.getBlock().setType(Material.AIR);
            e.getPlayer().sendMessage(ChatColor.RED + "Signs can only be placed in the lobby!");
            return;
        }

        try {
            setSign(e, Bukkit.getWorld(e.getLine(0)));
        }
        catch (NullPointerException ex){
            e.getPlayer().sendMessage(ChatColor.RED + "Invalid Arena Name!");
            e.getBlock().setType(Material.AIR);
            return;
        }

    }

    public void setSign(SignChangeEvent sign, World world){

        sign.setLine(0, ChatColor.DARK_RED + world.getName());

        Arena arena = new Arena(world);

        Main.getUtils().getArenasFile().newSign((Sign) sign.getBlock().getState(), arena);

        update(sign, arena);

    }

    public void update(SignChangeEvent sign, Arena arena){

        sign.setLine(2, arena.getPlayerCount() + "/8");
        sign.setLine(3, ArenaState.toString(arena.getState()));

    }

    @EventHandler
    public void onRightClick(PlayerInteractEvent e){

        if (e.getAction() == Action.RIGHT_CLICK_BLOCK && e.getClickedBlock().getType() == Material.WALL_SIGN){

            Sign sign = (Sign) e.getClickedBlock().getState();

            if ((!sign.getLine(3).equalsIgnoreCase(ArenaState.toString(ArenaState.IN_GAME)))
                && !sign.getLine(2).equalsIgnoreCase("8/8")){

                World w = Bukkit.getWorld(ChatColor.stripColor(sign.getLine(0)));
                Arena arena;

                try {
                    arena = Main.getUtils().getArenas().getArenaFor(w);
                }
                catch (NullPointerException ex){
                    arena = new Arena(w);
                }

                if (Main.getUtils().getArenas().getArenaFor(w) == null){
                    arena = new Arena(w);
                }

                Main.getUtils().getJoinArena().enterGame(e.getPlayer(), arena);

                sign.setLine(2, arena.getPlayerCount() + "/8");
                sign.setLine(3, ArenaState.toString(arena.getState()));

                sign.update();

        }
        }
        }
    }