public void shieldVillage() {
    if (GameData.villageShield()) {
      showNotif("Shield is already activated.");
    } else if (shieldMana <= GameData.mana()) {
      Sfx.playShield();
      GameData.setVillageShield(true);
      GameData.setShieldDuration(3600);
      showShieldBuff();

      if (GameData.mana() - shieldMana < 0) {
        GameData.setMana(0);
        manaBar.addAction(scaleTo(0f, 1f, 1f));
      } else {
        GameData.setMana(GameData.mana() - shieldMana);
        lobby.updateLabels();
      }
      mana.setText(GameData.mana() + "/" + GameData.maxMana());

      closeUi();

    } else {
      showMagicAd();
      int neededMana = shieldMana - GameData.mana();
      showNotif("Need " + neededMana + " more mana.");
    }
  }
 public void shieldReady() {
   if (GameData.villageShield()) {
     Gdx.app.log("Seconds", lobby.timepassed + "");
     minusDur = lobby.seconds - GameData.logInTime();
     GameData.setShieldDuration(GameData.shieldDuration() - (int) lobby.timepassed);
     if (GameData.shieldDuration() > 0) {
       showShieldBuff();
     } else {
       GameData.setVillageShield(false);
     }
   }
 }