Citizens2/main/src/main/java/net/citizensnpcs/trait/shop/ExperienceAction.java

102 lines
3.2 KiB
Java

package net.citizensnpcs.trait.shop;
import java.util.function.Consumer;
import org.bukkit.Material;
import org.bukkit.entity.Entity;
import org.bukkit.entity.Player;
import org.bukkit.inventory.ItemStack;
import net.citizensnpcs.api.gui.InputMenus;
import net.citizensnpcs.api.gui.InventoryMenuPage;
import net.citizensnpcs.api.persistence.Persist;
import net.citizensnpcs.util.InventoryMultiplexer;
import net.citizensnpcs.util.Util;
public class ExperienceAction extends NPCShopAction {
@Persist
public int exp;
public ExperienceAction() {
}
public ExperienceAction(int cost) {
exp = cost;
}
@Override
public String describe() {
return exp == 1 ? exp + " level" : exp + " levels";
}
@Override
public int getMaxRepeats(Entity entity, InventoryMultiplexer inventory) {
if (!(entity instanceof Player))
return 0;
return ((Player) entity).getLevel() / exp;
}
@Override
public Transaction grant(Entity entity, InventoryMultiplexer inventory, int repeats) {
if (!(entity instanceof Player))
return Transaction.fail();
Player player = (Player) entity;
int amount = exp * repeats;
return Transaction.create(() -> true, () -> {
player.setLevel(player.getLevel() + amount);
}, () -> {
player.setLevel(player.getLevel() - amount);
});
}
@Override
public Transaction take(Entity entity, InventoryMultiplexer inventory, int repeats) {
if (!(entity instanceof Player))
return Transaction.fail();
Player player = (Player) entity;
int amount = exp * repeats;
return Transaction.create(() -> (player.getLevel() >= amount), () -> {
player.setLevel(player.getLevel() - amount);
}, () -> {
player.setLevel(player.getLevel() + amount);
});
}
public static class ExperienceActionGUI implements GUI {
@Override
public InventoryMenuPage createEditor(NPCShopAction previous, Consumer<NPCShopAction> callback) {
ExperienceAction action = previous == null ? new ExperienceAction() : (ExperienceAction) previous;
return InputMenus.filteredStringSetter(() -> Integer.toString(action.exp), s -> {
try {
int result = Integer.parseInt(s);
if (result < 0)
return false;
action.exp = result;
} catch (NumberFormatException nfe) {
return false;
}
callback.accept(action);
return true;
});
}
@Override
public ItemStack createMenuItem(NPCShopAction previous) {
String description = null;
if (previous != null) {
ExperienceAction old = (ExperienceAction) previous;
description = old.describe();
}
return Util.createItem(Material.EXPERIENCE_BOTTLE, "XP Level", description);
}
@Override
public boolean manages(NPCShopAction action) {
return action instanceof ExperienceAction;
}
}
}