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