OwO Lib Mod – 1.19, 1.18.2 – Open Worthwile Operations Library

Author: Kompot
owo lib mod 1 19 1 18 2 open worthwile operations library

OwO Mod (1.19, 1.18.2) provides a general utility library that allows content-focused modding of Fabric. Automatic registration, tabbed items groups, and particle-based modding are all possible.


  • A fully automatic registry system that is designed to be as generic as possible. It is simple and non-verbose to use for basic Minecraft registries but can just as well be used for any kind of custom system that you want to store values in class fields for.
  • A custom implemetation of Item Groups which allows for sub-tabs inside your mod’s group, removing the need to have 3 seperate groups for mods with many items.
  • The RegistryHelper, a simple and logical way to execute code (eg. registration) if and when one or multiple entries you specify are present in a registry. This makes inter-mod compatibility very quick to implement.
  • A wrapper for vanilla’s terrible particle system which makes spawning multiple particles with specified random distributions or precise geometric particles a breeze. This also includes a hassle-free system to trigger arbitrary particle events from the server without much packet setup.
  • Common comparison and verification operations for ItemStacks to make handling them less painful.

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