Villager Trades

Villager trades (net.satisfy.foundation.trade)

Ready-made trade listings for selling items for emeralds and buying items for one emerald. Since Foundation 1.0.5.

Class	Villager gives	Player pays
SellItemFactory(item, price, count, experience)	count × item	price emeralds
SellItemFactory(item, price, count, maxUses, experience)	as above, with your own max uses (default 12)
SellItemFactory(stack, price, count, maxUses, experience, multiplier)	the stack with all its data
BuyForOneEmeraldFactory(item, price, maxUses, experience)	1 emerald	price × item

item can be any item or block. The price multiplier defaults to 0.05.

Fabric

TradeOfferHelper.registerVillagerOffers(CHEESEMAKER, 1, factories -> factories.add(new SellItemFactory(ModItems.CHEESE.get(), 3, 1, 5)));

NeoForge

@SubscribeEvent
public static void onVillagerTrades(VillagerTradesEvent event) {
    if (event.getType() == CHEESEMAKER.get()) {
        event.getTrades().get(1).add(new BuyForOneEmeraldFactory(Items.MILK_BUCKET, 2, 12, 5));
    }
}