minecraft-src/net/minecraft/world/item/crafting/Ingredient.java
2025-07-04 03:15:13 +03:00

112 lines
4.5 KiB
Java

package net.minecraft.world.item.crafting;
import com.mojang.serialization.Codec;
import java.util.Arrays;
import java.util.Objects;
import java.util.Optional;
import java.util.function.Predicate;
import java.util.stream.Stream;
import net.minecraft.core.Holder;
import net.minecraft.core.HolderSet;
import net.minecraft.core.registries.Registries;
import net.minecraft.network.RegistryFriendlyByteBuf;
import net.minecraft.network.codec.ByteBufCodecs;
import net.minecraft.network.codec.StreamCodec;
import net.minecraft.resources.HolderSetCodec;
import net.minecraft.util.ExtraCodecs;
import net.minecraft.world.entity.player.StackedContents;
import net.minecraft.world.item.Item;
import net.minecraft.world.item.ItemStack;
import net.minecraft.world.item.Items;
import net.minecraft.world.item.crafting.display.SlotDisplay;
import net.minecraft.world.item.crafting.display.SlotDisplay.Composite;
import net.minecraft.world.item.crafting.display.SlotDisplay.Empty;
import net.minecraft.world.item.crafting.display.SlotDisplay.ItemSlotDisplay;
import net.minecraft.world.item.crafting.display.SlotDisplay.ItemStackSlotDisplay;
import net.minecraft.world.item.crafting.display.SlotDisplay.TagSlotDisplay;
import net.minecraft.world.item.crafting.display.SlotDisplay.WithRemainder;
import net.minecraft.world.level.ItemLike;
public final class Ingredient implements StackedContents.IngredientInfo<Holder<Item>>, Predicate<ItemStack> {
public static final StreamCodec<RegistryFriendlyByteBuf, Ingredient> CONTENTS_STREAM_CODEC = ByteBufCodecs.holderSet(Registries.ITEM)
.map(Ingredient::new, ingredient -> ingredient.values);
public static final StreamCodec<RegistryFriendlyByteBuf, Optional<Ingredient>> OPTIONAL_CONTENTS_STREAM_CODEC = ByteBufCodecs.holderSet(Registries.ITEM)
.map(
holderSet -> holderSet.size() == 0 ? Optional.empty() : Optional.of(new Ingredient(holderSet)),
optional -> (HolderSet)optional.map(ingredient -> ingredient.values).orElse(HolderSet.direct())
);
public static final Codec<HolderSet<Item>> NON_AIR_HOLDER_SET_CODEC = HolderSetCodec.create(Registries.ITEM, Item.CODEC, false);
public static final Codec<Ingredient> CODEC = ExtraCodecs.nonEmptyHolderSet(NON_AIR_HOLDER_SET_CODEC).xmap(Ingredient::new, ingredient -> ingredient.values);
private final HolderSet<Item> values;
private Ingredient(HolderSet<Item> values) {
values.unwrap().ifRight(list -> {
if (list.isEmpty()) {
throw new UnsupportedOperationException("Ingredients can't be empty");
} else if (list.contains(Items.AIR.builtInRegistryHolder())) {
throw new UnsupportedOperationException("Ingredient can't contain air");
}
});
this.values = values;
}
public static boolean testOptionalIngredient(Optional<Ingredient> ingredient, ItemStack stack) {
return (Boolean)ingredient.map(ingredientx -> ingredientx.test(stack)).orElseGet(stack::isEmpty);
}
@Deprecated
public Stream<Holder<Item>> items() {
return this.values.stream();
}
public boolean isEmpty() {
return this.values.size() == 0;
}
public boolean test(ItemStack stack) {
return stack.is(this.values);
}
public boolean acceptsItem(Holder<Item> holder) {
return this.values.contains(holder);
}
public boolean equals(Object object) {
return object instanceof Ingredient ingredient ? Objects.equals(this.values, ingredient.values) : false;
}
public static Ingredient of(ItemLike item) {
return new Ingredient(HolderSet.direct(item.asItem().builtInRegistryHolder()));
}
public static Ingredient of(ItemLike... items) {
return of(Arrays.stream(items));
}
public static Ingredient of(Stream<? extends ItemLike> items) {
return new Ingredient(HolderSet.direct(items.map(itemLike -> itemLike.asItem().builtInRegistryHolder()).toList()));
}
public static Ingredient of(HolderSet<Item> items) {
return new Ingredient(items);
}
public SlotDisplay display() {
return this.values.unwrap().map(TagSlotDisplay::new, list -> new Composite(list.stream().map(Ingredient::displayForSingleItem).toList()));
}
public static SlotDisplay optionalIngredientToDisplay(Optional<Ingredient> ingredient) {
return (SlotDisplay)ingredient.map(Ingredient::display).orElse(Empty.INSTANCE);
}
private static SlotDisplay displayForSingleItem(Holder<Item> item) {
SlotDisplay slotDisplay = new ItemSlotDisplay(item);
ItemStack itemStack = item.value().getCraftingRemainder();
if (!itemStack.isEmpty()) {
SlotDisplay slotDisplay2 = new ItemStackSlotDisplay(itemStack);
return new WithRemainder(slotDisplay, slotDisplay2);
} else {
return slotDisplay;
}
}
}