37 lines
1.6 KiB
Java
37 lines
1.6 KiB
Java
package net.minecraft.world.item.enchantment.providers;
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import com.mojang.serialization.MapCodec;
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import com.mojang.serialization.codecs.RecordCodecBuilder;
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import net.minecraft.core.HolderSet;
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import net.minecraft.core.RegistryCodecs;
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import net.minecraft.core.registries.Registries;
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import net.minecraft.util.RandomSource;
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import net.minecraft.util.valueproviders.IntProvider;
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import net.minecraft.world.DifficultyInstance;
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import net.minecraft.world.item.ItemStack;
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import net.minecraft.world.item.enchantment.Enchantment;
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import net.minecraft.world.item.enchantment.EnchantmentHelper;
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import net.minecraft.world.item.enchantment.EnchantmentInstance;
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import net.minecraft.world.item.enchantment.ItemEnchantments;
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public record EnchantmentsByCost(HolderSet<Enchantment> enchantments, IntProvider cost) implements EnchantmentProvider {
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public static final MapCodec<EnchantmentsByCost> CODEC = RecordCodecBuilder.mapCodec(
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instance -> instance.group(
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RegistryCodecs.homogeneousList(Registries.ENCHANTMENT).fieldOf("enchantments").forGetter(EnchantmentsByCost::enchantments),
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IntProvider.CODEC.fieldOf("cost").forGetter(EnchantmentsByCost::cost)
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)
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.apply(instance, EnchantmentsByCost::new)
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);
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@Override
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public void enchant(ItemStack stack, ItemEnchantments.Mutable enchantments, RandomSource random, DifficultyInstance difficulty) {
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for (EnchantmentInstance enchantmentInstance : EnchantmentHelper.selectEnchantment(random, stack, this.cost.sample(random), this.enchantments.stream())) {
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enchantments.upgrade(enchantmentInstance.enchantment(), enchantmentInstance.level());
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}
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}
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@Override
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public MapCodec<EnchantmentsByCost> codec() {
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return CODEC;
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}
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}
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