@Override
  public void writeToNBT(NBTTagCompound NBT) {
    super.writeToNBT(NBT);

    NBT.setInteger("numsafe", numSafePlayers);

    NBT.setBoolean("aim", isCustomAim);

    for (int i = 0; i < safePlayers.size(); i++) {
      NBT.setString("Safe_Player_" + String.valueOf(i), safePlayers.get(i));
    }
  }