Essentials/Essentials/src/main/java/com/earth2me/essentials/signs/SignBuy.java

56 lines
2.2 KiB
Java

package com.earth2me.essentials.signs;
import com.earth2me.essentials.ChargeException;
import com.earth2me.essentials.Trade;
import com.earth2me.essentials.User;
import net.ess3.api.IEssentials;
import net.ess3.api.MaxMoneyException;
import org.bukkit.inventory.ItemStack;
import java.math.BigDecimal;
public class SignBuy extends EssentialsSign {
public SignBuy() {
super("Buy");
}
@Override
protected boolean onSignCreate(final ISign sign, final User player, final String username, final IEssentials ess) throws SignException {
validateTrade(sign, 1, 2, player, ess);
validateTrade(sign, 3, ess);
return true;
}
@Override
protected boolean onSignInteract(final ISign sign, final User player, final String username, final IEssentials ess) throws SignException, ChargeException, MaxMoneyException {
Trade items = getTrade(sign, 1, 2, player, ess);
Trade charge = getTrade(sign, 3, ess);
// Check if the player is trying to buy in bulk.
if (ess.getSettings().isAllowBulkBuySell() && player.getBase().isSneaking()) {
final ItemStack heldItem = player.getItemInHand();
if (items.getItemStack().isSimilar(heldItem)) {
final int initialItemAmount = items.getItemStack().getAmount();
final int newItemAmount = heldItem.getAmount();
final ItemStack item = items.getItemStack();
item.setAmount(newItemAmount);
items = new Trade(item, ess);
final BigDecimal chargeAmount = charge.getMoney();
//noinspection BigDecimalMethodWithoutRoundingCalled
BigDecimal pricePerSingleItem = chargeAmount.divide(new BigDecimal(initialItemAmount));
pricePerSingleItem = pricePerSingleItem.multiply(new BigDecimal(newItemAmount));
charge = new Trade(pricePerSingleItem, ess);
}
}
charge.isAffordableFor(player);
if (!items.pay(player)) {
throw new ChargeException("inventoryFull");
}
charge.charge(player);
Trade.log("Sign", "Buy", "Interact", username, charge, username, items, sign.getBlock().getLocation(), player.getMoney(), ess);
return true;
}
}