minecraft-src/net/minecraft/advancements/critereon/ItemPredicate.java
2025-07-04 03:45:38 +03:00

68 lines
2.5 KiB
Java

package net.minecraft.advancements.critereon;
import com.mojang.serialization.Codec;
import com.mojang.serialization.codecs.RecordCodecBuilder;
import java.util.Optional;
import java.util.function.Predicate;
import net.minecraft.core.HolderGetter;
import net.minecraft.core.HolderSet;
import net.minecraft.core.RegistryCodecs;
import net.minecraft.core.component.DataComponentGetter;
import net.minecraft.core.registries.Registries;
import net.minecraft.tags.TagKey;
import net.minecraft.world.item.Item;
import net.minecraft.world.item.ItemStack;
import net.minecraft.world.level.ItemLike;
public record ItemPredicate(Optional<HolderSet<Item>> items, MinMaxBounds.Ints count, DataComponentMatchers components) implements Predicate<ItemStack> {
public static final Codec<ItemPredicate> CODEC = RecordCodecBuilder.create(
instance -> instance.group(
RegistryCodecs.homogeneousList(Registries.ITEM).optionalFieldOf("items").forGetter(ItemPredicate::items),
MinMaxBounds.Ints.CODEC.optionalFieldOf("count", MinMaxBounds.Ints.ANY).forGetter(ItemPredicate::count),
DataComponentMatchers.CODEC.forGetter(ItemPredicate::components)
)
.apply(instance, ItemPredicate::new)
);
public boolean test(ItemStack itemStack) {
if (this.items.isPresent() && !itemStack.is((HolderSet<Item>)this.items.get())) {
return false;
} else {
return !this.count.matches(itemStack.getCount()) ? false : this.components.test((DataComponentGetter)itemStack);
}
}
public static class Builder {
private Optional<HolderSet<Item>> items = Optional.empty();
private MinMaxBounds.Ints count = MinMaxBounds.Ints.ANY;
private DataComponentMatchers components = DataComponentMatchers.ANY;
public static ItemPredicate.Builder item() {
return new ItemPredicate.Builder();
}
public ItemPredicate.Builder of(HolderGetter<Item> itemRegistry, ItemLike... items) {
this.items = Optional.of(HolderSet.direct(itemLike -> itemLike.asItem().builtInRegistryHolder(), items));
return this;
}
public ItemPredicate.Builder of(HolderGetter<Item> itemRegistry, TagKey<Item> tag) {
this.items = Optional.of(itemRegistry.getOrThrow(tag));
return this;
}
public ItemPredicate.Builder withCount(MinMaxBounds.Ints count) {
this.count = count;
return this;
}
public ItemPredicate.Builder withComponents(DataComponentMatchers components) {
this.components = components;
return this;
}
public ItemPredicate build() {
return new ItemPredicate(this.items, this.count, this.components);
}
}
}