public void DeductFromTrader(int units)
 {
     MoneySlot.Itemstack.StackSize -= units;
     if (MoneySlot.StackSize <= 0)
     {
         MoneySlot.Itemstack = null;
     }
     MoneySlot.MarkDirty();
 }
 public void GiveToTrader(int units)
 {
     if (MoneySlot.Empty)
     {
         MoneySlot.Itemstack = new ItemStack(Api.World.GetItem(new AssetLocation("gear-rusty")), units);
     }
     else
     {
         MoneySlot.Itemstack.StackSize += units;
     }
     MoneySlot.MarkDirty();
 }