243 lines
		
	
	
	
		
			10 KiB
		
	
	
	
		
			Java
		
	
	
	
	
	
			
		
		
	
	
			243 lines
		
	
	
	
		
			10 KiB
		
	
	
	
		
			Java
		
	
	
	
	
	
| package net.minecraft.world.item.alchemy;
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| 
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| import com.google.common.collect.Iterables;
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| import com.google.common.collect.Lists;
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| import com.mojang.datafixers.util.Pair;
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| import com.mojang.serialization.Codec;
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| import com.mojang.serialization.codecs.RecordCodecBuilder;
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| import java.util.List;
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| import java.util.Optional;
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| import java.util.OptionalInt;
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| import java.util.function.Consumer;
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| import net.minecraft.ChatFormatting;
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| import net.minecraft.Util;
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| import net.minecraft.core.Holder;
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| import net.minecraft.core.component.DataComponentGetter;
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| import net.minecraft.core.component.DataComponents;
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| import net.minecraft.network.RegistryFriendlyByteBuf;
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| import net.minecraft.network.chat.CommonComponents;
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| import net.minecraft.network.chat.Component;
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| import net.minecraft.network.chat.MutableComponent;
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| import net.minecraft.network.codec.ByteBufCodecs;
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| import net.minecraft.network.codec.StreamCodec;
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| import net.minecraft.server.level.ServerLevel;
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| import net.minecraft.util.ARGB;
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| import net.minecraft.world.effect.MobEffect;
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| import net.minecraft.world.effect.MobEffectInstance;
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| import net.minecraft.world.effect.MobEffectUtil;
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| import net.minecraft.world.entity.LivingEntity;
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| import net.minecraft.world.entity.ai.attributes.Attribute;
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| import net.minecraft.world.entity.ai.attributes.AttributeModifier;
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| import net.minecraft.world.entity.player.Player;
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| import net.minecraft.world.item.Item;
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| import net.minecraft.world.item.ItemStack;
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| import net.minecraft.world.item.TooltipFlag;
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| import net.minecraft.world.item.component.Consumable;
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| import net.minecraft.world.item.component.ConsumableListener;
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| import net.minecraft.world.item.component.ItemAttributeModifiers;
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| import net.minecraft.world.item.component.TooltipProvider;
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| import net.minecraft.world.level.Level;
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| 
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| public record PotionContents(Optional<Holder<Potion>> potion, Optional<Integer> customColor, List<MobEffectInstance> customEffects, Optional<String> customName)
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| 	implements ConsumableListener,
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| 	TooltipProvider {
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| 	public static final PotionContents EMPTY = new PotionContents(Optional.empty(), Optional.empty(), List.of(), Optional.empty());
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| 	private static final Component NO_EFFECT = Component.translatable("effect.none").withStyle(ChatFormatting.GRAY);
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| 	public static final int BASE_POTION_COLOR = -13083194;
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| 	private static final Codec<PotionContents> FULL_CODEC = RecordCodecBuilder.create(
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| 		instance -> instance.group(
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| 				Potion.CODEC.optionalFieldOf("potion").forGetter(PotionContents::potion),
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| 				Codec.INT.optionalFieldOf("custom_color").forGetter(PotionContents::customColor),
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| 				MobEffectInstance.CODEC.listOf().optionalFieldOf("custom_effects", List.of()).forGetter(PotionContents::customEffects),
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| 				Codec.STRING.optionalFieldOf("custom_name").forGetter(PotionContents::customName)
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| 			)
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| 			.apply(instance, PotionContents::new)
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| 	);
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| 	public static final Codec<PotionContents> CODEC = Codec.withAlternative(FULL_CODEC, Potion.CODEC, PotionContents::new);
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| 	public static final StreamCodec<RegistryFriendlyByteBuf, PotionContents> STREAM_CODEC = StreamCodec.composite(
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| 		Potion.STREAM_CODEC.apply(ByteBufCodecs::optional),
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| 		PotionContents::potion,
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| 		ByteBufCodecs.INT.apply(ByteBufCodecs::optional),
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| 		PotionContents::customColor,
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| 		MobEffectInstance.STREAM_CODEC.apply(ByteBufCodecs.list()),
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| 		PotionContents::customEffects,
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| 		ByteBufCodecs.STRING_UTF8.apply(ByteBufCodecs::optional),
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| 		PotionContents::customName,
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| 		PotionContents::new
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| 	);
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| 
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| 	public PotionContents(Holder<Potion> potion) {
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| 		this(Optional.of(potion), Optional.empty(), List.of(), Optional.empty());
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| 	}
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| 
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| 	public static ItemStack createItemStack(Item item, Holder<Potion> potion) {
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| 		ItemStack itemStack = new ItemStack(item);
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| 		itemStack.set(DataComponents.POTION_CONTENTS, new PotionContents(potion));
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| 		return itemStack;
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| 	}
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| 
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| 	public boolean is(Holder<Potion> potion) {
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| 		return this.potion.isPresent() && ((Holder)this.potion.get()).is(potion) && this.customEffects.isEmpty();
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| 	}
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| 
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| 	public Iterable<MobEffectInstance> getAllEffects() {
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| 		if (this.potion.isEmpty()) {
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| 			return this.customEffects;
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| 		} else {
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| 			return (Iterable<MobEffectInstance>)(this.customEffects.isEmpty()
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| 				? ((Potion)((Holder)this.potion.get()).value()).getEffects()
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| 				: Iterables.concat(((Potion)((Holder)this.potion.get()).value()).getEffects(), this.customEffects));
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| 		}
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| 	}
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| 
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| 	public void forEachEffect(Consumer<MobEffectInstance> action, float durationScale) {
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| 		if (this.potion.isPresent()) {
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| 			for (MobEffectInstance mobEffectInstance : ((Potion)((Holder)this.potion.get()).value()).getEffects()) {
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| 				action.accept(mobEffectInstance.withScaledDuration(durationScale));
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| 			}
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| 		}
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| 
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| 		for (MobEffectInstance mobEffectInstance : this.customEffects) {
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| 			action.accept(mobEffectInstance.withScaledDuration(durationScale));
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| 		}
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| 	}
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| 
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| 	public PotionContents withPotion(Holder<Potion> potion) {
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| 		return new PotionContents(Optional.of(potion), this.customColor, this.customEffects, this.customName);
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| 	}
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| 
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| 	public PotionContents withEffectAdded(MobEffectInstance effect) {
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| 		return new PotionContents(this.potion, this.customColor, Util.copyAndAdd(this.customEffects, effect), this.customName);
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| 	}
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| 
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| 	public int getColor() {
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| 		return this.getColorOr(-13083194);
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| 	}
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| 
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| 	public int getColorOr(int defaultValue) {
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| 		return this.customColor.isPresent() ? (Integer)this.customColor.get() : getColorOptional(this.getAllEffects()).orElse(defaultValue);
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| 	}
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| 
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| 	public Component getName(String name) {
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| 		String string = (String)this.customName.or(() -> this.potion.map(holder -> ((Potion)holder.value()).name())).orElse("empty");
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| 		return Component.translatable(name + string);
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| 	}
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| 
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| 	public static OptionalInt getColorOptional(Iterable<MobEffectInstance> effects) {
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| 		int i = 0;
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| 		int j = 0;
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| 		int k = 0;
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| 		int l = 0;
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| 
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| 		for (MobEffectInstance mobEffectInstance : effects) {
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| 			if (mobEffectInstance.isVisible()) {
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| 				int m = mobEffectInstance.getEffect().value().getColor();
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| 				int n = mobEffectInstance.getAmplifier() + 1;
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| 				i += n * ARGB.red(m);
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| 				j += n * ARGB.green(m);
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| 				k += n * ARGB.blue(m);
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| 				l += n;
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| 			}
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| 		}
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| 
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| 		return l == 0 ? OptionalInt.empty() : OptionalInt.of(ARGB.color(i / l, j / l, k / l));
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| 	}
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| 
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| 	public boolean hasEffects() {
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| 		return !this.customEffects.isEmpty() ? true : this.potion.isPresent() && !((Potion)((Holder)this.potion.get()).value()).getEffects().isEmpty();
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| 	}
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| 
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| 	public List<MobEffectInstance> customEffects() {
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| 		return Lists.transform(this.customEffects, MobEffectInstance::new);
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| 	}
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| 
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| 	public void applyToLivingEntity(LivingEntity entity, float durationScale) {
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| 		if (entity.level() instanceof ServerLevel serverLevel) {
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| 			Player player2 = entity instanceof Player player ? player : null;
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| 			this.forEachEffect(mobEffectInstance -> {
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| 				if (mobEffectInstance.getEffect().value().isInstantenous()) {
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| 					mobEffectInstance.getEffect().value().applyInstantenousEffect(serverLevel, player2, player2, entity, mobEffectInstance.getAmplifier(), 1.0);
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| 				} else {
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| 					entity.addEffect(mobEffectInstance);
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| 				}
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| 			}, durationScale);
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| 		}
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| 	}
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| 
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| 	public static void addPotionTooltip(Iterable<MobEffectInstance> effects, Consumer<Component> tooltipAdder, float durationFactor, float ticksPerSecond) {
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| 		List<Pair<Holder<Attribute>, AttributeModifier>> list = Lists.<Pair<Holder<Attribute>, AttributeModifier>>newArrayList();
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| 		boolean bl = true;
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| 
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| 		for (MobEffectInstance mobEffectInstance : effects) {
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| 			bl = false;
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| 			Holder<MobEffect> holder = mobEffectInstance.getEffect();
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| 			int i = mobEffectInstance.getAmplifier();
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| 			holder.value().createModifiers(i, (holderx, attributeModifierx) -> list.add(new Pair<>(holderx, attributeModifierx)));
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| 			MutableComponent mutableComponent = getPotionDescription(holder, i);
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| 			if (!mobEffectInstance.endsWithin(20)) {
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| 				mutableComponent = Component.translatable(
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| 					"potion.withDuration", mutableComponent, MobEffectUtil.formatDuration(mobEffectInstance, durationFactor, ticksPerSecond)
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| 				);
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| 			}
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| 
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| 			tooltipAdder.accept(mutableComponent.withStyle(holder.value().getCategory().getTooltipFormatting()));
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| 		}
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| 
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| 		if (bl) {
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| 			tooltipAdder.accept(NO_EFFECT);
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| 		}
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| 
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| 		if (!list.isEmpty()) {
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| 			tooltipAdder.accept(CommonComponents.EMPTY);
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| 			tooltipAdder.accept(Component.translatable("potion.whenDrank").withStyle(ChatFormatting.DARK_PURPLE));
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| 
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| 			for (Pair<Holder<Attribute>, AttributeModifier> pair : list) {
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| 				AttributeModifier attributeModifier = pair.getSecond();
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| 				double d = attributeModifier.amount();
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| 				double e;
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| 				if (attributeModifier.operation() != AttributeModifier.Operation.ADD_MULTIPLIED_BASE
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| 					&& attributeModifier.operation() != AttributeModifier.Operation.ADD_MULTIPLIED_TOTAL) {
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| 					e = attributeModifier.amount();
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| 				} else {
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| 					e = attributeModifier.amount() * 100.0;
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| 				}
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| 
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| 				if (d > 0.0) {
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| 					tooltipAdder.accept(
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| 						Component.translatable(
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| 								"attribute.modifier.plus." + attributeModifier.operation().id(),
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| 								ItemAttributeModifiers.ATTRIBUTE_MODIFIER_FORMAT.format(e),
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| 								Component.translatable(pair.getFirst().value().getDescriptionId())
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| 							)
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| 							.withStyle(ChatFormatting.BLUE)
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| 					);
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| 				} else if (d < 0.0) {
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| 					e *= -1.0;
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| 					tooltipAdder.accept(
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| 						Component.translatable(
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| 								"attribute.modifier.take." + attributeModifier.operation().id(),
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| 								ItemAttributeModifiers.ATTRIBUTE_MODIFIER_FORMAT.format(e),
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| 								Component.translatable(pair.getFirst().value().getDescriptionId())
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| 							)
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| 							.withStyle(ChatFormatting.RED)
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| 					);
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| 				}
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| 			}
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| 		}
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| 	}
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| 
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| 	public static MutableComponent getPotionDescription(Holder<MobEffect> effect, int level) {
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| 		MutableComponent mutableComponent = Component.translatable(effect.value().getDescriptionId());
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| 		return level > 0 ? Component.translatable("potion.withAmplifier", mutableComponent, Component.translatable("potion.potency." + level)) : mutableComponent;
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| 	}
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| 
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| 	@Override
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| 	public void onConsume(Level level, LivingEntity entity, ItemStack stack, Consumable consumable) {
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| 		this.applyToLivingEntity(entity, stack.getOrDefault(DataComponents.POTION_DURATION_SCALE, 1.0F));
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| 	}
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| 
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| 	@Override
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| 	public void addToTooltip(Item.TooltipContext context, Consumer<Component> tooltipAdder, TooltipFlag flag, DataComponentGetter componentGetter) {
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| 		addPotionTooltip(this.getAllEffects(), tooltipAdder, componentGetter.getOrDefault(DataComponents.POTION_DURATION_SCALE, 1.0F), context.tickRate());
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| 	}
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| }
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