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CoolCatLib: Core

Write it once, run it everywhere: events, networking, registries, configs, attachments, menus and containers for Fabric, NeoForge and Forge.
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[Forge] 1.21.1 | V2100.2.0.1 RELEASE

File namecoolcatcore-forge-1.21.1-2100.2.0.1.jar
Uploader
ixDarkLorDixDarkLorD
Uploaded
Oct 4, 2026
Downloads
5
Size
1.6 MB
Mod Loaders
Forge
File ID
9055003
Type
R
Release
Supported game versions
  • 1.21.1
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Curse Maven Snippet

Forge

implementation "curse.maven:coolcatlib-916525:9055003"

Learn more about Curse Maven

What's new

v2100.2.0.1 Release | Oct 4, 2026

✨ New Features

  • Item decorators: custom drawing over an item wherever the game draws it in a GUI (inventory slots, the hotbar, a held stack), after vanilla's durability bar, cooldown and count, the same on every loader. Implement api.item.DecoratedItem on the item's class and hand over its api.client.gui.ItemDecorator in registerDecorators(registrar): that's all, Core registers it by itself, on the client, the first time the item is drawn. An item's own isBarVisible still decides whether vanilla's bar shows under it.

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