Class EnchantmentHelper

java.lang.Object

net.minecraft.world.item.enchantment.EnchantmentHelper

public class EnchantmentHelper
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	EnchantmentHelper.EnchantmentInSlotVisitor
static interface	EnchantmentHelper.EnchantmentVisitor

Constructor Summary

Constructors

Constructor	Description
EnchantmentHelper()

Method Summary

Modifier and Type	Method	Description
static boolean	canStoreEnchantments(ItemStack itemStack)
static ItemStack	createBook(EnchantmentInstance enchant)
static void	doPostAttackEffects(ServerLevel serverLevel, Entity victim, DamageSource damageSource)
static void	doPostAttackEffectsWithItemSource(ServerLevel serverLevel, Entity victim, DamageSource damageSource, @Nullable ItemStack source)
static void	doPostAttackEffectsWithItemSourceOnBreak(ServerLevel serverLevel, Entity victim, DamageSource damageSource, @Nullable ItemStack source, @Nullable Consumer<Item> attackerlessOnBreak)
static void	doPostPiercingAttackEffects(ServerLevel serverLevel, LivingEntity user)
static ItemStack	enchantItem(RandomSource random, ItemStack itemStack, int enchantmentCost, Stream<Holder<Enchantment>> source)
static ItemStack	enchantItem(RandomSource random, ItemStack itemStack, int enchantmentCost, RegistryAccess registryAccess, Optional<? extends HolderSet<Enchantment>> set)
static void	enchantItemFromProvider(ItemStack itemStack, RegistryAccess registryAccess, ResourceKey<EnchantmentProvider> providerKey, DifficultyInstance difficulty, RandomSource random)
static void	filterCompatibleEnchantments(List<EnchantmentInstance> enchants, EnchantmentInstance target)
static void	forEachModifier(ItemStack itemStack, EquipmentSlotGroup slot, BiConsumer<Holder<Attribute>, AttributeModifier> consumer)
static void	forEachModifier(ItemStack itemStack, EquipmentSlot slot, BiConsumer<Holder<Attribute>, AttributeModifier> consumer)
static List<EnchantmentInstance>	getAvailableEnchantmentResults(int value, ItemStack itemStack, Stream<Holder<Enchantment>> source)
static DataComponentType<ItemEnchantments>	getComponentType(ItemStack itemStack)
static float	getDamageProtection(ServerLevel serverLevel, LivingEntity victim, DamageSource source)
static int	getEnchantmentCost(RandomSource random, int slot, int bookcases, ItemStack itemStack)	Returns the enchantability of itemstack, using a separate calculation for each enchantNum (0, 1 or 2), cutting to the max enchantability power of the table, which is locked to a max of 15.
static int	getEnchantmentLevel(Holder<Enchantment> enchantment, LivingEntity entity)
static ItemEnchantments	getEnchantmentsForCrafting(ItemStack itemStack)
static int	getFishingLuckBonus(ServerLevel serverLevel, ItemStack rod, Entity fisher)
static float	getFishingTimeReduction(ServerLevel serverLevel, ItemStack rod, Entity fisher)
static <T> com.mojang.datafixers.util.Pair<T,Integer>	getHighestLevel(ItemStack item, DataComponentType<T> effectType)
static int	getItemEnchantmentLevel(Holder<Enchantment> enchantment, ItemInstance piece)	Deprecated. Neo: Use getTagEnchantmentLevel(Holder, ItemInstance) for NBT enchantments, or ItemInstanceExtension.getEnchantmentLevel(Holder) for gameplay.
static int	getPiercingCount(ServerLevel serverLevel, ItemStack weapon, ItemStack ammo)
static Optional<EnchantedItemInUse>	getRandomItemWith(DataComponentType<?> componentType, LivingEntity source, Predicate<ItemStack> predicate)
static int	getTagEnchantmentLevel(Holder<Enchantment> enchantment, ItemInstance piece)	Gets the level of an enchantment from NBT.
static int	getTridentReturnToOwnerAcceleration(ServerLevel serverLevel, ItemStack weapon, Entity trident)
static float	getTridentSpinAttackStrength(ItemStack trident, LivingEntity holder)
static boolean	has(ItemStack item, DataComponentType<?> effectType)
static boolean	hasAnyEnchantments(ItemStack itemStack)
static boolean	hasTag(ItemStack item, TagKey<Enchantment> tag)
static boolean	isEnchantmentCompatible(Collection<Holder<Enchantment>> enchants, Holder<Enchantment> target)
static boolean	isImmuneToDamage(ServerLevel serverLevel, LivingEntity victim, DamageSource source)
static float	modifyArmorEffectiveness(ServerLevel serverLevel, ItemStack itemStack, Entity victim, DamageSource damageSource, float armorFraction)
static float	modifyCrossbowChargingTime(ItemStack crossbow, LivingEntity holder, float time)
static float	modifyDamage(ServerLevel serverLevel, ItemStack itemStack, Entity victim, DamageSource damageSource, float damage)
static int	modifyDurabilityToRepairFromXp(ServerLevel serverLevel, ItemStack item, int durability)
static float	modifyFallBasedDamage(ServerLevel serverLevel, ItemStack itemStack, Entity victim, DamageSource damageSource, float damage)
static float	modifyKnockback(ServerLevel serverLevel, ItemStack itemStack, Entity victim, DamageSource damageSource, float knockback)
static void	onHitBlock(ServerLevel serverLevel, ItemStack weapon, @Nullable LivingEntity owner, Entity entity, @Nullable EquipmentSlot slot, Vec3 hitLocation, BlockState hitBlock, Consumer<Item> onBreak)
static void	onProjectileSpawned(ServerLevel serverLevel, ItemStack weapon, Projectile projectileEntity, Consumer<Item> onBreak)
static <T> Optional<T>	pickHighestLevel(ItemStack itemStack, DataComponentType<List<T>> componentType)
static int	processAmmoUse(ServerLevel serverLevel, ItemStack weapon, ItemStack ammo, int amount)
static int	processBlockExperience(ServerLevel serverLevel, ItemStack itemStack, int amount)
static int	processDurabilityChange(ServerLevel serverLevel, ItemStack itemStack, int amount)
static float	processEquipmentDropChance(ServerLevel serverLevel, LivingEntity entity, DamageSource killingBlow, float chance)
static int	processMobExperience(ServerLevel serverLevel, @Nullable Entity killer, Entity killed, int amount)
static int	processProjectileCount(ServerLevel serverLevel, ItemStack weapon, Entity shooter, int count)
static float	processProjectileSpread(ServerLevel serverLevel, ItemStack weapon, Entity shooter, float angle)
static void	runIterationOnEquipment(LivingEntity owner, EnchantmentHelper.EnchantmentInSlotVisitor method)
static void	runIterationOnItem(ItemStack piece, EquipmentSlot slot, LivingEntity owner, EnchantmentHelper.EnchantmentInSlotVisitor method)
static void	runIterationOnItem(ItemStack piece, EnchantmentHelper.EnchantmentVisitor method)
static void	runLocationChangedEffects(ServerLevel serverLevel, LivingEntity entity)
static void	runLocationChangedEffects(ServerLevel serverLevel, ItemStack stack, LivingEntity entity, EquipmentSlot slot)
static List<EnchantmentInstance>	selectEnchantment(RandomSource random, ItemStack itemStack, int enchantmentCost, Stream<Holder<Enchantment>> source)
static void	setEnchantments(ItemStack itemStack, ItemEnchantments enchantments)
static void	stopLocationBasedEffects(LivingEntity entity)
static void	stopLocationBasedEffects(ItemStack stack, LivingEntity entity, EquipmentSlot slot)
static void	tickEffects(ServerLevel serverLevel, LivingEntity entity)
static ItemEnchantments	updateEnchantments(ItemStack itemStack, Consumer<ItemEnchantments.Mutable> consumer)

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

EnchantmentHelper

public EnchantmentHelper()

Method Details

getItemEnchantmentLevel

@Deprecated
public static int getItemEnchantmentLevel(Holder<Enchantment> enchantment,
 ItemInstance piece)

Deprecated.

Neo: Use getTagEnchantmentLevel(Holder, ItemInstance) for NBT enchantments, or ItemInstanceExtension.getEnchantmentLevel(Holder) for gameplay.

getTagEnchantmentLevel

public static int getTagEnchantmentLevel(Holder<Enchantment> enchantment,
 ItemInstance piece)

Gets the level of an enchantment from NBT. Use ItemInstanceExtension.getEnchantmentLevel(Holder) for gameplay logic.

updateEnchantments

public static ItemEnchantments updateEnchantments(ItemStack itemStack,
 Consumer<ItemEnchantments.Mutable> consumer)

canStoreEnchantments

public static boolean canStoreEnchantments(ItemStack itemStack)

setEnchantments

public static void setEnchantments(ItemStack itemStack,
 ItemEnchantments enchantments)

getEnchantmentsForCrafting

public static ItemEnchantments getEnchantmentsForCrafting(ItemStack itemStack)

getComponentType

public static DataComponentType<ItemEnchantments> getComponentType(ItemStack itemStack)

hasAnyEnchantments

public static boolean hasAnyEnchantments(ItemStack itemStack)

processDurabilityChange

public static int processDurabilityChange(ServerLevel serverLevel,
 ItemStack itemStack,
 int amount)

processAmmoUse

public static int processAmmoUse(ServerLevel serverLevel,
 ItemStack weapon,
 ItemStack ammo,
 int amount)

processBlockExperience

public static int processBlockExperience(ServerLevel serverLevel,
 ItemStack itemStack,
 int amount)

processMobExperience

public static int processMobExperience(ServerLevel serverLevel,
 @Nullable Entity killer,
 Entity killed,
 int amount)

createBook

public static ItemStack createBook(EnchantmentInstance enchant)

runIterationOnItem

public static void runIterationOnItem(ItemStack piece,
 EnchantmentHelper.EnchantmentVisitor method)

runIterationOnItem

public static void runIterationOnItem(ItemStack piece,
 EquipmentSlot slot,
 LivingEntity owner,
 EnchantmentHelper.EnchantmentInSlotVisitor method)

runIterationOnEquipment

public static void runIterationOnEquipment(LivingEntity owner,
 EnchantmentHelper.EnchantmentInSlotVisitor method)

isImmuneToDamage

public static boolean isImmuneToDamage(ServerLevel serverLevel,
 LivingEntity victim,
 DamageSource source)

getDamageProtection

public static float getDamageProtection(ServerLevel serverLevel,
 LivingEntity victim,
 DamageSource source)

modifyDamage

public static float modifyDamage(ServerLevel serverLevel,
 ItemStack itemStack,
 Entity victim,
 DamageSource damageSource,
 float damage)

modifyFallBasedDamage

public static float modifyFallBasedDamage(ServerLevel serverLevel,
 ItemStack itemStack,
 Entity victim,
 DamageSource damageSource,
 float damage)

modifyArmorEffectiveness

public static float modifyArmorEffectiveness(ServerLevel serverLevel,
 ItemStack itemStack,
 Entity victim,
 DamageSource damageSource,
 float armorFraction)

modifyKnockback

public static float modifyKnockback(ServerLevel serverLevel,
 ItemStack itemStack,
 Entity victim,
 DamageSource damageSource,
 float knockback)

doPostAttackEffects

public static void doPostAttackEffects(ServerLevel serverLevel,
 Entity victim,
 DamageSource damageSource)

doPostPiercingAttackEffects

public static void doPostPiercingAttackEffects(ServerLevel serverLevel,
 LivingEntity user)

doPostAttackEffectsWithItemSource

public static void doPostAttackEffectsWithItemSource(ServerLevel serverLevel,
 Entity victim,
 DamageSource damageSource,
 @Nullable ItemStack source)

doPostAttackEffectsWithItemSourceOnBreak

public static void doPostAttackEffectsWithItemSourceOnBreak(ServerLevel serverLevel,
 Entity victim,
 DamageSource damageSource,
 @Nullable ItemStack source,
 @Nullable Consumer<Item> attackerlessOnBreak)

runLocationChangedEffects

public static void runLocationChangedEffects(ServerLevel serverLevel,
 LivingEntity entity)

runLocationChangedEffects

public static void runLocationChangedEffects(ServerLevel serverLevel,
 ItemStack stack,
 LivingEntity entity,
 EquipmentSlot slot)

stopLocationBasedEffects

public static void stopLocationBasedEffects(LivingEntity entity)

stopLocationBasedEffects

public static void stopLocationBasedEffects(ItemStack stack,
 LivingEntity entity,
 EquipmentSlot slot)

tickEffects

public static void tickEffects(ServerLevel serverLevel,
 LivingEntity entity)

getEnchantmentLevel

public static int getEnchantmentLevel(Holder<Enchantment> enchantment,
 LivingEntity entity)

processProjectileCount

public static int processProjectileCount(ServerLevel serverLevel,
 ItemStack weapon,
 Entity shooter,
 int count)

processProjectileSpread

public static float processProjectileSpread(ServerLevel serverLevel,
 ItemStack weapon,
 Entity shooter,
 float angle)

getPiercingCount

public static int getPiercingCount(ServerLevel serverLevel,
 ItemStack weapon,
 ItemStack ammo)

onProjectileSpawned

public static void onProjectileSpawned(ServerLevel serverLevel,
 ItemStack weapon,
 Projectile projectileEntity,
 Consumer<Item> onBreak)

onHitBlock

public static void onHitBlock(ServerLevel serverLevel,
 ItemStack weapon,
 @Nullable LivingEntity owner,
 Entity entity,
 @Nullable EquipmentSlot slot,
 Vec3 hitLocation,
 BlockState hitBlock,
 Consumer<Item> onBreak)

modifyDurabilityToRepairFromXp

public static int modifyDurabilityToRepairFromXp(ServerLevel serverLevel,
 ItemStack item,
 int durability)

processEquipmentDropChance

public static float processEquipmentDropChance(ServerLevel serverLevel,
 LivingEntity entity,
 DamageSource killingBlow,
 float chance)

forEachModifier

public static void forEachModifier(ItemStack itemStack,
 EquipmentSlotGroup slot,
 BiConsumer<Holder<Attribute>, AttributeModifier> consumer)

forEachModifier

public static void forEachModifier(ItemStack itemStack,
 EquipmentSlot slot,
 BiConsumer<Holder<Attribute>, AttributeModifier> consumer)

getFishingLuckBonus

public static int getFishingLuckBonus(ServerLevel serverLevel,
 ItemStack rod,
 Entity fisher)

getFishingTimeReduction

public static float getFishingTimeReduction(ServerLevel serverLevel,
 ItemStack rod,
 Entity fisher)

getTridentReturnToOwnerAcceleration

public static int getTridentReturnToOwnerAcceleration(ServerLevel serverLevel,
 ItemStack weapon,
 Entity trident)

modifyCrossbowChargingTime

public static float modifyCrossbowChargingTime(ItemStack crossbow,
 LivingEntity holder,
 float time)

getTridentSpinAttackStrength

public static float getTridentSpinAttackStrength(ItemStack trident,
 LivingEntity holder)

hasTag

public static boolean hasTag(ItemStack item,
 TagKey<Enchantment> tag)

has

public static boolean has(ItemStack item,
 DataComponentType<?> effectType)

pickHighestLevel

public static <T> Optional<T> pickHighestLevel(ItemStack itemStack,
 DataComponentType<List<T>> componentType)

getHighestLevel

public static <T>
com.mojang.datafixers.util.Pair<T,Integer> getHighestLevel(ItemStack item,
 DataComponentType<T> effectType)

getRandomItemWith

public static Optional<EnchantedItemInUse> getRandomItemWith(DataComponentType<?> componentType,
 LivingEntity source,
 Predicate<ItemStack> predicate)

getEnchantmentCost

public static int getEnchantmentCost(RandomSource random,
 int slot,
 int bookcases,
 ItemStack itemStack)

Returns the enchantability of itemstack, using a separate calculation for each enchantNum (0, 1 or 2), cutting to the max enchantability power of the table, which is locked to a max of 15.

enchantItem

public static ItemStack enchantItem(RandomSource random,
 ItemStack itemStack,
 int enchantmentCost,
 RegistryAccess registryAccess,
 Optional<? extends HolderSet<Enchantment>> set)

enchantItem

public static ItemStack enchantItem(RandomSource random,
 ItemStack itemStack,
 int enchantmentCost,
 Stream<Holder<Enchantment>> source)

selectEnchantment

public static List<EnchantmentInstance> selectEnchantment(RandomSource random,
 ItemStack itemStack,
 int enchantmentCost,
 Stream<Holder<Enchantment>> source)

filterCompatibleEnchantments

public static void filterCompatibleEnchantments(List<EnchantmentInstance> enchants,
 EnchantmentInstance target)

isEnchantmentCompatible

public static boolean isEnchantmentCompatible(Collection<Holder<Enchantment>> enchants,
 Holder<Enchantment> target)

getAvailableEnchantmentResults

public static List<EnchantmentInstance> getAvailableEnchantmentResults(int value,
 ItemStack itemStack,
 Stream<Holder<Enchantment>> source)

enchantItemFromProvider

public static void enchantItemFromProvider(ItemStack itemStack,
 RegistryAccess registryAccess,
 ResourceKey<EnchantmentProvider> providerKey,
 DifficultyInstance difficulty,
 RandomSource random)