package de.steamwar.tutorial.commands; import de.steamwar.command.SWCommand; import org.bukkit.Material; import org.bukkit.entity.Player; import org.bukkit.inventory.ItemStack; public class UnsignCommand extends SWCommand { public UnsignCommand() { super("unsign"); } @Register public void unsignCommand(Player p) { ItemStack itemStack = p.getInventory().getItemInMainHand(); if (itemStack.getType() != Material.WRITTEN_BOOK) return; itemStack.setType(Material.WRITABLE_BOOK); p.getInventory().setItemInMainHand(itemStack); } }