Importing the package

If you want to shorten method calls or encounter any issues you might need to import the package.
You can do so using

import extrautilities2.Tweaker.XUTweaker;

Methods

Allow survival flight

Allows Flight for all players, permanently.

extrautilities2.Tweaker.XUTweaker.allowSurvivalFlight();

Disable Nether Portals

Prevents Nether portals (and all portals that use the PortalSpawnEvent) from spawning, permanently.

extrautilities2.Tweaker.XUTweaker.disableNetherPortals();

Check if a player is a fake Player

Returns a boolean stating if the player is a fake Player.

Requires an IPlayer argument.

extrautilities2.Tweaker.XUTweaker.isPlayerFake(player);

Open a books screen for the player

Tries to open the written book screen to the given player.

Returns a boolean stating if the command was executed correctly.
Requires an IPlayer argument.
Also requires a string[] argument that will be the pages.

extrautilities2.Tweaker.XUTweaker.openBookScreen(player, pages);
extrautilities2.Tweaker.XUTweaker.openBookScreen(player, ["Page 1", "Page 2"]);