ItemAttributeModifierEvent

This event is fired when the attributes for an ItemStack are being calculated. Attributes are calculated on the server when equipping and un-equipping an item to add and remove attributes respectively, both must be consistent. Attributes are calculated on the client when rendering an item's tooltip to show relevant attributes.

The event is not cancelable.

The event does not have a result.

Importing the class

Importing the class is recommended for events, simply add this line to the top of your script file.

ZenScript
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import crafttweaker.neoforge.api.event.item.ItemAttributeModifierEvent;

Listening to the event

ZenScript
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events.register<crafttweaker.neoforge.api.event.item.ItemAttributeModifierEvent>(event => {
    println("ItemAttributeModifierEvent ran!");
});

Supertype

ItemAttributeModifierEvent extends Event. That means all methods available in Event are also available in ItemAttributeModifierEvent

Methods

addModifier

Name: addModifier

Adds a new AttributeModifier to the ItemStack.

Returns: True if the modifier was added. False otherwise.
Return Type: boolean

ZenScript
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// ItemAttributeModifierEvent.addModifier(attribute as Attribute, name as string, value as double, operation as AttributeOperation) as boolean

myItemAttributeModifierEvent.addModifier(<attribute:minecraft:generic.attack_damage>, "Extra Power", 10, AttributeOperation.ADDITION);

Parameter	Type	Description
Parameter attribute	Type Attribute	Description The Attribute to add.
Parameter name	Type string	Description The name of the modifier to add
Parameter value	Type double	Description The value of the modifier.
Parameter operation	Type AttributeOperation	Description The operation of the modifier.

addModifier

Name: addModifier

Adds a new AttributeModifier to the ItemStack.

Returns: True if the modifier was added. False otherwise.
Return Type: boolean

ZenScript
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// ItemAttributeModifierEvent.addModifier(attribute as Attribute, uuid as string, name as string, value as double, operation as AttributeOperation) as boolean

myItemAttributeModifierEvent.addModifier(<attribute:minecraft:generic.attack_damage>, "8c1b5535-9f79-448b-87ae-52d81480aaa3", "Extra Power", 10, AttributeOperation.ADDITION);

Parameter	Type	Description
Parameter attribute	Type Attribute	Description The Attribute to add.
Parameter uuid	Type string	Description The UUID of the modifier.
Parameter name	Type string	Description The name of the modifier.
Parameter value	Type double	Description The value of the modifier.
Parameter operation	Type AttributeOperation	Description The operation of the modifier.

clearModifiers

Name: clearModifiers

Clears all AttributeModifiers from the ItemStack.

ZenScript
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// ItemAttributeModifierEvent.clearModifiers()

myItemAttributeModifierEvent.clearModifiers();

removeAttribute

Name: removeAttribute

Removes an Attribute from the ItemStack.

Returns: A List of the AttributeModifiers for the removed Attribute.
Return Type: stdlib.List<AttributeModifier>

ZenScript
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// ItemAttributeModifierEvent.removeAttribute(attribute as Attribute) as stdlib.List<AttributeModifier>

myItemAttributeModifierEvent.removeAttribute(<attribute:minecraft:generic.attack_damage>);

Parameter	Type	Description
Parameter attribute	Type Attribute	Description The Attribute to remove.

removeModifier

Name: removeModifier

Removes an AttributeModifier from the ItemStack.

Returns: True if the modifier was remove. False otherwise.
Return Type: boolean

ZenScript
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// ItemAttributeModifierEvent.removeModifier(attribute as Attribute, modifier as AttributeModifier) as boolean

myItemAttributeModifierEvent.removeModifier(<attribute:minecraft:generic.attack_damage>, modifier);

Parameter	Type	Description
Parameter attribute	Type Attribute	Description The Attribute to remove.
Parameter modifier	Type AttributeModifier	Description The modifier to remove.

removeModifier

Name: removeModifier

Removes an AttributeModifier from the ItemStack based on the modifier's UUID.

Returns: True if the modifier was remove. False otherwise.
Return Type: boolean

ZenScript
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// ItemAttributeModifierEvent.removeModifier(attribute as Attribute, uuid as string) as boolean

myItemAttributeModifierEvent.removeModifier(<attribute:minecraft:generic.attack_damage>, "8c1b5535-9f79-448b-87ae-52d81480aaa3");

Parameter	Type	Description
Parameter attribute	Type Attribute	Description The Attribute to remove.
Parameter uuid	Type string	Description The UUID of the modifier.

Properties

Name	Type	Has Getter	Has Setter	Description
Name itemStack	Type IItemStack	Has Getter true	Has Setter false	Description Gets the ItemStack that this event is being ran for.
Name modifiers	Type stdlib.List<AttributeModifier>[Attribute]	Has Getter true	Has Setter false	Description Gets the modifiers on the ItemStack
Name originalModifiers	Type stdlib.List<AttributeModifier>[Attribute]	Has Getter true	Has Setter false	Description Gets the original modifiers on the ItemStack before being changed by any other event listener.
Name slotType	Type EquipmentSlot	Has Getter true	Has Setter false	Description Gets the EquipmentSlotType that this event is being ran for. If you only want to add / remove a modifier from a specific slot, you can use this to filter based on the slot.