88 lines
3 KiB
Java
88 lines
3 KiB
Java
package net.minecraft.world.item.crafting;
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import com.mojang.datafixers.util.Pair;
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import net.minecraft.core.HolderLookup;
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import net.minecraft.core.component.DataComponents;
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import net.minecraft.core.registries.Registries;
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import net.minecraft.tags.EnchantmentTags;
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import net.minecraft.world.item.ItemStack;
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import net.minecraft.world.item.enchantment.EnchantmentHelper;
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import net.minecraft.world.item.enchantment.ItemEnchantments;
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import net.minecraft.world.level.Level;
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import org.jetbrains.annotations.Nullable;
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public class RepairItemRecipe extends CustomRecipe {
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public RepairItemRecipe(CraftingBookCategory category) {
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super(category);
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}
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@Nullable
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private static Pair<ItemStack, ItemStack> getItemsToCombine(CraftingInput input) {
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if (input.ingredientCount() != 2) {
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return null;
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} else {
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ItemStack itemStack = null;
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for (int i = 0; i < input.size(); i++) {
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ItemStack itemStack2 = input.getItem(i);
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if (!itemStack2.isEmpty()) {
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if (itemStack != null) {
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return canCombine(itemStack, itemStack2) ? Pair.of(itemStack, itemStack2) : null;
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}
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itemStack = itemStack2;
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}
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}
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return null;
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}
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}
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private static boolean canCombine(ItemStack stack1, ItemStack stack2) {
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return stack2.is(stack1.getItem())
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&& stack1.getCount() == 1
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&& stack2.getCount() == 1
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&& stack1.has(DataComponents.MAX_DAMAGE)
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&& stack2.has(DataComponents.MAX_DAMAGE)
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&& stack1.has(DataComponents.DAMAGE)
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&& stack2.has(DataComponents.DAMAGE);
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}
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public boolean matches(CraftingInput input, Level level) {
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return getItemsToCombine(input) != null;
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}
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public ItemStack assemble(CraftingInput input, HolderLookup.Provider registries) {
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Pair<ItemStack, ItemStack> pair = getItemsToCombine(input);
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if (pair == null) {
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return ItemStack.EMPTY;
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} else {
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ItemStack itemStack = pair.getFirst();
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ItemStack itemStack2 = pair.getSecond();
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int i = Math.max(itemStack.getMaxDamage(), itemStack2.getMaxDamage());
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int j = itemStack.getMaxDamage() - itemStack.getDamageValue();
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int k = itemStack2.getMaxDamage() - itemStack2.getDamageValue();
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int l = j + k + i * 5 / 100;
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ItemStack itemStack3 = new ItemStack(itemStack.getItem());
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itemStack3.set(DataComponents.MAX_DAMAGE, i);
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itemStack3.setDamageValue(Math.max(i - l, 0));
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ItemEnchantments itemEnchantments = EnchantmentHelper.getEnchantmentsForCrafting(itemStack);
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ItemEnchantments itemEnchantments2 = EnchantmentHelper.getEnchantmentsForCrafting(itemStack2);
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EnchantmentHelper.updateEnchantments(
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itemStack3,
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mutable -> registries.lookupOrThrow(Registries.ENCHANTMENT).listElements().filter(reference -> reference.is(EnchantmentTags.CURSE)).forEach(reference -> {
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int ix = Math.max(itemEnchantments.getLevel(reference), itemEnchantments2.getLevel(reference));
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if (ix > 0) {
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mutable.upgrade(reference, ix);
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}
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})
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);
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return itemStack3;
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}
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}
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@Override
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public RecipeSerializer<RepairItemRecipe> getSerializer() {
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return RecipeSerializer.REPAIR_ITEM;
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}
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}
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