HollowCore is a minecraft modding library by HollowHorizon. It is an easy to use and powerful library for easier creation of minecraft mods for Fabric, Forge and NeoForge.

Features

Multi versional

HollowCore is now running on 1.21, 1.20.1 and 1.19.2 (WIP) by the Forge, Fabric and NeoForge loaders.

Integration with ModLoaders

Universal Registration system to register blocks, items, block entities, etc. using kotlin delegates.
Universal Packet system with automatic serialization and registration using annotations.
Universal Capabilities system to storing nbt in entities, block entities and worlds.
Universal EventBus system for all modloaders and basic events.

Easier development

Automatic models generation for blocks and items using embed resourcepack.
NBT serialization and deserialization of any objects using Kotlinx.Serialization.
Toml Config system based on KotlinX Serialization.
Automatic sounds.json generation.

Graphics

ImGui based framework: basic elements, items, entities, containers, slots, etc.
Async GLTF model loader with skeletal animations, skinning, morph targets, PBR materials with Iris/Oculus support.
Effekseer particles support.
Gif textures.
MP3, OGG, WAV Sound formats support.