package net.minecraft.advancements.critereon; import com.mojang.serialization.Codec; import com.mojang.serialization.codecs.RecordCodecBuilder; import java.util.Optional; import net.minecraft.advancements.CriteriaTriggers; import net.minecraft.advancements.Criterion; import net.minecraft.server.level.ServerPlayer; import net.minecraft.world.item.ItemStack; public class ItemDurabilityTrigger extends SimpleCriterionTrigger { @Override public Codec codec() { return ItemDurabilityTrigger.TriggerInstance.CODEC; } public void trigger(ServerPlayer player, ItemStack item, int newDurability) { this.trigger(player, triggerInstance -> triggerInstance.matches(item, newDurability)); } public record TriggerInstance(Optional player, Optional item, MinMaxBounds.Ints durability, MinMaxBounds.Ints delta) implements SimpleCriterionTrigger.SimpleInstance { public static final Codec CODEC = RecordCodecBuilder.create( instance -> instance.group( EntityPredicate.ADVANCEMENT_CODEC.optionalFieldOf("player").forGetter(ItemDurabilityTrigger.TriggerInstance::player), ItemPredicate.CODEC.optionalFieldOf("item").forGetter(ItemDurabilityTrigger.TriggerInstance::item), MinMaxBounds.Ints.CODEC.optionalFieldOf("durability", MinMaxBounds.Ints.ANY).forGetter(ItemDurabilityTrigger.TriggerInstance::durability), MinMaxBounds.Ints.CODEC.optionalFieldOf("delta", MinMaxBounds.Ints.ANY).forGetter(ItemDurabilityTrigger.TriggerInstance::delta) ) .apply(instance, ItemDurabilityTrigger.TriggerInstance::new) ); public static Criterion changedDurability(Optional item, MinMaxBounds.Ints durability) { return changedDurability(Optional.empty(), item, durability); } public static Criterion changedDurability( Optional player, Optional item, MinMaxBounds.Ints durability ) { return CriteriaTriggers.ITEM_DURABILITY_CHANGED.createCriterion(new ItemDurabilityTrigger.TriggerInstance(player, item, durability, MinMaxBounds.Ints.ANY)); } public boolean matches(ItemStack item, int durability) { if (this.item.isPresent() && !((ItemPredicate)this.item.get()).test(item)) { return false; } else { return !this.durability.matches(item.getMaxDamage() - durability) ? false : this.delta.matches(item.getDamageValue() - durability); } } } }