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public class ServerUtil
{
    private static List<String> strings;
    public static Random random;

    static {
        ServerUtil.strings = new ArrayList<String>();
        ServerUtil.random = new Random();
    }

    public static void respawnPlayer(final Player player) {
        new BukkitRunnable() {
            public void run() {
                final PacketPlayInClientCommand packet = new PacketPlayInClientCommand(PacketPlayInClientCommand.EnumClientCommand.PERFORM_RESPAWN);
                ((CraftPlayer)player).getHandle().playerConnection.a(packet);
            }
        }.runTaskLater((Plugin)Main.getInstance(), 2L);
    }

    public static void removePotionEffects(final Player player) {
        for (final PotionEffect effects : player.getActivePotionEffects()) {
            player.removePotionEffect(effects.getType());
        }
    }

    public static void playSound(final Player player, final Sound sound) {
        player.playSound(player.getLocation(), sound, 10.0f, 10.0f);
    }

    public static void playEffect(final Player player, final Effect effect) {
        player.playEffect(player.getLocation(), effect, 10);
    }

    public static void removeScoreboard(final Player player) {
        player.setScoreboard(Bukkit.getScoreboardManager().getNewScoreboard());
    }

    public static String fixColor(final String message) {
        return ChatColor.translateAlternateColorCodes('&', message.replace(">>", "»").replace("<<", "«").replace("{CHECK}", "\u2714").replace("{X}", "\u2716").replace(">", "\u279c").replace("{O}", "\u25cf"));
    }

    public static List<String> fixColor(final List<String> stringList) {
        for (final String s : stringList) {
            ServerUtil.strings.add(fixColor(s));
        }
        return stringList;
    }

    public static void sendTitle(final Player player, final String title, final String subtitle) {
        if (title != null) {
            final PlayerConnection connection = ((CraftPlayer)player).getHandle().playerConnection;
            final IChatBaseComponent titleSub = IChatBaseComponent.ChatSerializer.a(fixColor("{\"text\": \"" + title + "\"}"));
            final PacketPlayOutTitle sendTitle = new PacketPlayOutTitle(PacketPlayOutTitle.EnumTitleAction.TITLE, titleSub);
            final PacketPlayOutTitle sendLength = new PacketPlayOutTitle(7, 35, 7);
            connection.sendPacket((Packet)sendTitle);
            connection.sendPacket((Packet)sendLength);
            if (subtitle != null) {
                final IChatBaseComponent subTitleSub = IChatBaseComponent.ChatSerializer.a(fixColor("{\"text\": \"" + subtitle + "\"}"));
                final PacketPlayOutTitle sendSubTitle = new PacketPlayOutTitle(PacketPlayOutTitle.EnumTitleAction.SUBTITLE, subTitleSub);
                final PacketPlayOutTitle sendSubLength = new PacketPlayOutTitle(7, 35, 7);
                connection.sendPacket((Packet)sendSubTitle);
                connection.sendPacket((Packet)sendSubLength);
            }
        }
    }

    public static void sendActionbar(final Player player, final String message) {
        final IChatBaseComponent icbc = IChatBaseComponent.ChatSerializer.a("{\"text\": \"" + fixColor(message) + "\"}");
        final PacketPlayOutChat bar = new PacketPlayOutChat(icbc, (byte)2);
        ((CraftPlayer)player).getHandle().playerConnection.sendPacket((Packet)bar);
    }

    public static void sendTablist(final Player player, final String header, final String footer) {
        final CraftPlayer craftplayer = (CraftPlayer)player;
        final PlayerConnection connection = craftplayer.getHandle().playerConnection;
        final IChatBaseComponent headerJSON = IChatBaseComponent.ChatSerializer.a(fixColor("{\"text\": \"" + header + "\"}"));
        final IChatBaseComponent footerJSON = IChatBaseComponent.ChatSerializer.a(fixColor("{\"text\": \"" + footer + "\"}"));
        final PacketPlayOutPlayerListHeaderFooter packet = new PacketPlayOutPlayerListHeaderFooter();
        try {
            final Field headerField = packet.getClass().getDeclaredField("a");
            headerField.setAccessible(true);
            headerField.set(packet, headerJSON);
            headerField.setAccessible(!headerField.isAccessible());
            final Field footerField = packet.getClass().getDeclaredField("b");
            footerField.setAccessible(true);
            footerField.set(packet, footerJSON);
            footerField.setAccessible(!footerField.isAccessible());
        }
        catch (Exception e) {
            e.printStackTrace();
        }
        connection.sendPacket((Packet)packet);
    }

    public static void sendClickMessage(final Player player, final String message, final String hover, final String cmdClick) {
        final IChatBaseComponent chat = IChatBaseComponent.ChatSerializer.a(fixColor("{\"text\":\"\",\"extra\":[{\"text\":\"" + message + "\",\"hoverEvent\":{\"action\":\"show_text\", \"value\":\"" + hover + "\"},\"clickEvent\":{\"action\":\"run_command\",\"value\":\"" + cmdClick + "\"}}]}"));
        final PacketPlayOutChat packet = new PacketPlayOutChat(chat);
        ((CraftPlayer)player).getHandle().playerConnection.sendPacket((Packet)packet);
    }

    public static void clearPlayer(final Player player) {
        player.getInventory().clear();
        player.getInventory().setArmorContents((ItemStack[])null);
        removePotionEffects(player);
        player.setLevel(0);
        player.setHealth(20.0);
        player.setFoodLevel(20);
        player.setFireTicks(0);
    }

    public static void sendPacket(final Packet<?> packet, final Player player) {
        ((CraftPlayer)player).getHandle().playerConnection.sendPacket((Packet)packet);
    }

    public static String getTime(final long time) {
        return new SimpleDateFormat("HH:mm").format(new Date(time));
    }

    public static String getDate(final long time) {
        return new SimpleDateFormat("dd/MM/yyyy").format(new Date(time));
    }

    public static int randomInt(final int min, final int max) {
        return ServerUtil.random.nextInt(max - min) + min;
    }

    public static World resetWorld(final File backup, final File toReset, final String worldname) {
        Bukkit.getServer().unloadWorld(worldname, true);
        try {
            FileUtils.deleteDirectory(toReset);
        }
        catch (IOException e) {
            e.printStackTrace();
        }
        if (!toReset.exists()) {
            try {
                FileUtils.copyDirectory(backup, toReset);
            }
            catch (IOException e) {
                e.printStackTrace();
            }
        }
        final World w = Bukkit.createWorld(new WorldCreator(worldname));
        return w;
    }

    public static void setHologram(final String name, final Location loc) {
        final ArmorStand as = (ArmorStand)loc.getWorld().spawnEntity(loc, EntityType.ARMOR_STAND);
        as.setArms(false);
        as.setGravity(false);
        as.setCanPickupItems(false);
        as.setVisible(false);
        as.setCustomName(fixColor(name));
        as.setCustomNameVisible(true);
    }

    public static void sendForWorldTitle(final String title, final String subtitle, final String world) {
        for (final Player all : Bukkit.getOnlinePlayers()) {
            if (all.getWorld().getName().equals(world)) {
                sendTitle(all, title, subtitle);
            }
        }
    }

    public static int getPlayersInWorld(final String world) {
        return Bukkit.getWorld(world).getPlayers().size();
    }
}