public void upgrade() {
if (this.canUpgrade()) {
if (ItemStackHelper.consume(
this.inventoryItems, this.currentUpgradeOption.getUpgradeToCurentNeeds(), 3)) {
this.villager.upgrade(this.currentUpgradeOption.getRegID());
this.player.closeScreen();
}
}
}
public void resetUpgradeOptionAndSlots() {
Profession[] options = this.villager.getProfession().getUpgradeToNextOptions();
this.currentUpgradeOption = options == null ? null : options[this.currentUpgradeOptionIndex];
this.canUpgrade = false;
if (this.currentUpgradeOption != null) {
if (ItemStackHelper.match(
this.inventoryItems, this.currentUpgradeOption.getUpgradeToCurentNeeds(), 3)) {
this.canUpgrade = true;
}
}
}