package net.minecraft.world.item.crafting; import java.util.ArrayList; import java.util.List; import net.minecraft.core.HolderLookup; import net.minecraft.core.component.DataComponents; import net.minecraft.world.item.ItemStack; import net.minecraft.world.item.Items; import net.minecraft.world.item.component.FireworkExplosion; import net.minecraft.world.item.component.Fireworks; import net.minecraft.world.level.Level; public class FireworkRocketRecipe extends CustomRecipe { private static final Ingredient PAPER_INGREDIENT = Ingredient.of(Items.PAPER); private static final Ingredient GUNPOWDER_INGREDIENT = Ingredient.of(Items.GUNPOWDER); private static final Ingredient STAR_INGREDIENT = Ingredient.of(Items.FIREWORK_STAR); public FireworkRocketRecipe(CraftingBookCategory category) { super(category); } public boolean matches(CraftingInput input, Level level) { boolean bl = false; int i = 0; for (int j = 0; j < input.size(); j++) { ItemStack itemStack = input.getItem(j); if (!itemStack.isEmpty()) { if (PAPER_INGREDIENT.test(itemStack)) { if (bl) { return false; } bl = true; } else if (GUNPOWDER_INGREDIENT.test(itemStack)) { if (++i > 3) { return false; } } else if (!STAR_INGREDIENT.test(itemStack)) { return false; } } } return bl && i >= 1; } public ItemStack assemble(CraftingInput input, HolderLookup.Provider registries) { List list = new ArrayList(); int i = 0; for (int j = 0; j < input.size(); j++) { ItemStack itemStack = input.getItem(j); if (!itemStack.isEmpty()) { if (GUNPOWDER_INGREDIENT.test(itemStack)) { i++; } else if (STAR_INGREDIENT.test(itemStack)) { FireworkExplosion fireworkExplosion = itemStack.get(DataComponents.FIREWORK_EXPLOSION); if (fireworkExplosion != null) { list.add(fireworkExplosion); } } } } ItemStack itemStack2 = new ItemStack(Items.FIREWORK_ROCKET, 3); itemStack2.set(DataComponents.FIREWORKS, new Fireworks(i, list)); return itemStack2; } @Override public boolean canCraftInDimensions(int width, int height) { return width * height >= 2; } @Override public ItemStack getResultItem(HolderLookup.Provider registries) { return new ItemStack(Items.FIREWORK_ROCKET); } @Override public RecipeSerializer getSerializer() { return RecipeSerializer.FIREWORK_ROCKET; } }