net.minecraft.entity.attribute

Class EntityAttributeInstance

java.lang.Object

net.minecraft.entity.attribute.EntityAttributeInstance

public class EntityAttributeInstance
extends Object

A double-valued attribute.

Field Summary

Fields

Modifier and Type	Field and Description
private double	baseValue
private boolean	dirty
private Map<UUID,EntityAttributeModifier>	idToModifiers
private Map<EntityAttributeModifier.Operation,Set<EntityAttributeModifier>>	operationToModifiers
private Set<EntityAttributeModifier>	persistentModifiers
private EntityAttribute	type
private Consumer<EntityAttributeInstance>	updateCallback
private double	value

Constructor Summary

Constructors

Constructor and Description
EntityAttributeInstance(EntityAttribute type, Consumer<EntityAttributeInstance> updateCallback)

Method Summary

Modifier and Type	Method and Description
private void	addModifier(EntityAttributeModifier modifier)
void	addPersistentModifier(EntityAttributeModifier modifier)
void	addTemporaryModifier(EntityAttributeModifier modifier) Adds a temporary attribute modifier.
void	clearModifiers()
private double	computeValue() Computes this attribute's value, taking modifiers into account.
void	fromTag(CompoundTag tag)
EntityAttribute	getAttribute()
double	getBaseValue() Gets the base value of this attribute instance.
EntityAttributeModifier	getModifier(UUID uuid)
Set<EntityAttributeModifier>	getModifiers()
Set<EntityAttributeModifier>	getModifiers(EntityAttributeModifier.Operation operation)
private Collection<EntityAttributeModifier>	getModifiersByOperation(EntityAttributeModifier.Operation operation)
double	getValue()
boolean	hasModifier(EntityAttributeModifier modifier)
protected void	onUpdate()
void	removeModifier(EntityAttributeModifier modifier)
void	removeModifier(UUID uuid)
void	setBaseValue(double baseValue)
void	setFrom(EntityAttributeInstance other) Copies the values of an attribute to this attribute.
CompoundTag	toTag()
boolean	tryRemoveModifier(UUID uuid)

Methods inherited from class java.lang.Object

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

Field Detail

type

private final EntityAttribute type

operationToModifiers

private final Map<EntityAttributeModifier.Operation,Set<EntityAttributeModifier>> operationToModifiers

idToModifiers

private final Map<UUID,EntityAttributeModifier> idToModifiers

persistentModifiers

private final Set<EntityAttributeModifier> persistentModifiers

baseValue

private double baseValue

dirty

private boolean dirty

value

private double value

updateCallback

private final Consumer<EntityAttributeInstance> updateCallback

Constructor Detail

EntityAttributeInstance

public EntityAttributeInstance(EntityAttribute type,
                               Consumer<EntityAttributeInstance> updateCallback)

Method Detail

getAttribute

public EntityAttribute getAttribute()

getBaseValue

public double getBaseValue()

Gets the base value of this attribute instance. This is the value before any attribute modifiers are applied.

setBaseValue

public void setBaseValue(double baseValue)

getModifiers

public Set<EntityAttributeModifier> getModifiers(EntityAttributeModifier.Operation operation)

getModifiers

public Set<EntityAttributeModifier> getModifiers()

getModifier

@Nullable
public EntityAttributeModifier getModifier(UUID uuid)

hasModifier

public boolean hasModifier(EntityAttributeModifier modifier)

addModifier

private void addModifier(EntityAttributeModifier modifier)

addTemporaryModifier

public void addTemporaryModifier(EntityAttributeModifier modifier)

Adds a temporary attribute modifier. The modifier will not be serialized.

addPersistentModifier

public void addPersistentModifier(EntityAttributeModifier modifier)

onUpdate

protected void onUpdate()

removeModifier

public void removeModifier(EntityAttributeModifier modifier)

removeModifier

public void removeModifier(UUID uuid)

tryRemoveModifier

public boolean tryRemoveModifier(UUID uuid)

clearModifiers

@Environment(value=CLIENT)
public void clearModifiers()

getValue

public double getValue()

computeValue

private double computeValue()

Computes this attribute's value, taking modifiers into account.

Attribute modifiers are applied in order by operation:

• ADDITION // Adds the value of the modifier to the attribute's base value.
• MULTIPLY_BASE // Multiplies the value of the modifier to the attributes base value, and then adds it to the total value.
• MULTIPLY_TOTAL // Adds 1 to the value of the attribute modifier. Then multiplies the attribute's value by the total value of the attribute after addition and multiplication of the base value occur.

getModifiersByOperation

private Collection<EntityAttributeModifier> getModifiersByOperation(EntityAttributeModifier.Operation operation)

setFrom

public void setFrom(EntityAttributeInstance other)

Copies the values of an attribute to this attribute.

Temporary modifiers are copied when using the operation.

toTag

public CompoundTag toTag()

fromTag

public void fromTag(CompoundTag tag)