minecraft-src/net/minecraft/data/recipes/ShapelessRecipeBuilder.java
2025-07-04 01:41:11 +03:00

133 lines
3.9 KiB
Java

package net.minecraft.data.recipes;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.Objects;
import net.minecraft.advancements.Advancement;
import net.minecraft.advancements.AdvancementRequirements;
import net.minecraft.advancements.AdvancementRewards;
import net.minecraft.advancements.Criterion;
import net.minecraft.advancements.critereon.RecipeUnlockedTrigger;
import net.minecraft.core.NonNullList;
import net.minecraft.resources.ResourceLocation;
import net.minecraft.tags.TagKey;
import net.minecraft.world.item.Item;
import net.minecraft.world.item.ItemStack;
import net.minecraft.world.item.crafting.Ingredient;
import net.minecraft.world.item.crafting.ShapelessRecipe;
import net.minecraft.world.level.ItemLike;
import org.jetbrains.annotations.Nullable;
public class ShapelessRecipeBuilder implements RecipeBuilder {
private final RecipeCategory category;
private final Item result;
private final int count;
private final NonNullList<Ingredient> ingredients = NonNullList.create();
private final Map<String, Criterion<?>> criteria = new LinkedHashMap();
@Nullable
private String group;
public ShapelessRecipeBuilder(RecipeCategory category, ItemLike result, int count) {
this.category = category;
this.result = result.asItem();
this.count = count;
}
/**
* Creates a new builder for a shapeless recipe.
*/
public static ShapelessRecipeBuilder shapeless(RecipeCategory category, ItemLike result) {
return new ShapelessRecipeBuilder(category, result, 1);
}
/**
* Creates a new builder for a shapeless recipe.
*/
public static ShapelessRecipeBuilder shapeless(RecipeCategory category, ItemLike result, int count) {
return new ShapelessRecipeBuilder(category, result, count);
}
/**
* Adds an ingredient that can be any item in the given tag.
*/
public ShapelessRecipeBuilder requires(TagKey<Item> tag) {
return this.requires(Ingredient.of(tag));
}
/**
* Adds an ingredient of the given item.
*/
public ShapelessRecipeBuilder requires(ItemLike item) {
return this.requires(item, 1);
}
/**
* Adds the given ingredient multiple times.
*/
public ShapelessRecipeBuilder requires(ItemLike item, int quantity) {
for (int i = 0; i < quantity; i++) {
this.requires(Ingredient.of(item));
}
return this;
}
/**
* Adds an ingredient.
*/
public ShapelessRecipeBuilder requires(Ingredient ingredient) {
return this.requires(ingredient, 1);
}
/**
* Adds an ingredient multiple times.
*/
public ShapelessRecipeBuilder requires(Ingredient ingredient, int quantity) {
for (int i = 0; i < quantity; i++) {
this.ingredients.add(ingredient);
}
return this;
}
public ShapelessRecipeBuilder unlockedBy(String name, Criterion<?> criterion) {
this.criteria.put(name, criterion);
return this;
}
public ShapelessRecipeBuilder group(@Nullable String groupName) {
this.group = groupName;
return this;
}
@Override
public Item getResult() {
return this.result;
}
@Override
public void save(RecipeOutput recipeOutput, ResourceLocation id) {
this.ensureValid(id);
Advancement.Builder builder = recipeOutput.advancement()
.addCriterion("has_the_recipe", RecipeUnlockedTrigger.unlocked(id))
.rewards(AdvancementRewards.Builder.recipe(id))
.requirements(AdvancementRequirements.Strategy.OR);
this.criteria.forEach(builder::addCriterion);
ShapelessRecipe shapelessRecipe = new ShapelessRecipe(
(String)Objects.requireNonNullElse(this.group, ""),
RecipeBuilder.determineBookCategory(this.category),
new ItemStack(this.result, this.count),
this.ingredients
);
recipeOutput.accept(id, shapelessRecipe, builder.build(id.withPrefix("recipes/" + this.category.getFolderName() + "/")));
}
/**
* Makes sure that this recipe is valid and obtainable.
*/
private void ensureValid(ResourceLocation id) {
if (this.criteria.isEmpty()) {
throw new IllegalStateException("No way of obtaining recipe " + id);
}
}
}