Custom item attributes(?) | The Fabric Project | Page 1

cinder osprey Jul 22, 2025, 12:17 PM

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I'm wanting to make a mod that introduces different gear relating to different combat classes (mage, archer, assassin, etc.) but using item attributes that don't currently exist, such as magic power, magic resistance and weight (better for a tank, for example) but can't seem to find anything detailing on how you would add these attributes to armour/weapons. Any help on the matter would be much appreciated.

Thanks 🙂

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(I'm using 1.21.1)

hazy mountain Jul 23, 2025, 11:11 AM

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cinder osprey (I'm using 1.21.1)

nobody knew 💀

cinder osprey Jul 23, 2025, 11:15 AM

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hazy mountain nobody knew 💀

Just thought it'd be worth mentioning as I'm sure fabric isn't quite the same from version to version

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Although I am aware it's a common version to make mods for

hazy mountain Jul 23, 2025, 11:15 AM

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I mean nobody knew the answer to your question

cinder osprey Jul 23, 2025, 11:15 AM

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Oh whoops

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Nobody knew, no

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You got any idea? 😢

hazy mountain Jul 23, 2025, 11:20 AM

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No I started 2 days ago

somber walrus Jul 23, 2025, 11:24 AM

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there's no vanilla way of adding attributes like that

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vanilla attributes are predefined, you can add/modify them

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you'll have to implement your own attribute system

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https://maven.fabricmc.net/docs/yarn-1.21.4+build.2/net/minecraft/component/type/AttributeModifiersComponent.html

AttributeModifiersComponent (yarn 1.21.4+build.2 API)

declaration: package: net.minecraft.component.type, record: AttributeModifiersComponent

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or even data attachments

#Custom item attributes(?)