55 lines
1.7 KiB
Java
55 lines
1.7 KiB
Java
package net.minecraft.world.item;
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import com.mojang.logging.LogUtils;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Optional;
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import net.minecraft.core.component.DataComponents;
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import net.minecraft.resources.ResourceKey;
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import net.minecraft.stats.Stats;
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import net.minecraft.world.InteractionHand;
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import net.minecraft.world.InteractionResult;
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import net.minecraft.world.entity.player.Player;
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import net.minecraft.world.item.crafting.Recipe;
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import net.minecraft.world.item.crafting.RecipeHolder;
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import net.minecraft.world.item.crafting.RecipeManager;
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import net.minecraft.world.level.Level;
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import org.slf4j.Logger;
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public class KnowledgeBookItem extends Item {
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private static final Logger LOGGER = LogUtils.getLogger();
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public KnowledgeBookItem(Item.Properties properties) {
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super(properties);
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}
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@Override
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public InteractionResult use(Level level, Player player, InteractionHand hand) {
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ItemStack itemStack = player.getItemInHand(hand);
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List<ResourceKey<Recipe<?>>> list = itemStack.getOrDefault(DataComponents.RECIPES, List.of());
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itemStack.consume(1, player);
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if (list.isEmpty()) {
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return InteractionResult.FAIL;
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} else {
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if (!level.isClientSide) {
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RecipeManager recipeManager = level.getServer().getRecipeManager();
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List<RecipeHolder<?>> list2 = new ArrayList(list.size());
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for (ResourceKey<Recipe<?>> resourceKey : list) {
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Optional<RecipeHolder<?>> optional = recipeManager.byKey(resourceKey);
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if (!optional.isPresent()) {
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LOGGER.error("Invalid recipe: {}", resourceKey);
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return InteractionResult.FAIL;
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}
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list2.add((RecipeHolder)optional.get());
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}
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player.awardRecipes(list2);
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player.awardStat(Stats.ITEM_USED.get(this));
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}
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return InteractionResult.SUCCESS;
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}
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}
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}
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