public static NormalLeather create(final Player player, int buttonId, int manualAmount) {
final NormalLeatherMake normalLeatherMake = NormalLeatherMake.forId(buttonId);
if (normalLeatherMake == null || (normalLeatherMake.getAmount() == 0 && manualAmount == 0))
return null;
return new NormalLeather(
player,
normalLeatherMake.getUsed(),
normalLeatherMake.getUsed2(),
normalLeatherMake.getResult(),
normalLeatherMake.getAmount(),
manualAmount,
normalLeatherMake.getLevel(),
normalLeatherMake.getExperience());
}