UMI References

Reference landing page for UMI (Unified Modding Interface) for content pack creation, with API in four frontend languages. Choose what you want to build today!

Language pre-picker (optional)

Here is a language picker that you can toggle to set your preferred language. You can always change it later in actual API documentation.

JSON

JSON is the simplest way to create content packs but you will face some limitations.

JavaScript

JavaScript is the original thought of content pack system.

WebAssembly

WebAssembly is the way to create large and complex content packs or base libraries with high performance.

Lua

Lua is mostly an industry-compatible way to create content packs and is generally not recommended.

Gameplay

📄️ Block

Register blocks with unique properties.

📄️ Entity

Register entities with, uh, unique properties.

📄️ Composite

Register entities that have multiple body parts, like vehicles or complex creatures.

📄️ Structure

Register a collection of blocks, entities and other structures to manage them as a whole.

📄️ Global State

Manage the global data of the game world.

📄️ World Generation

Create world generation algorithms, fill blocks, biomes and place structures.

Player Interaction

📄️ Text

Manage text and localize your content pack.

📄️ Texture

Register texture and use them in a dynamic way.

📄️ Sound

Integrate audio effects and music to the game.

📄️ GUI

Compose your own GUI with widgets and layouts.

Utility

📄️ Component

Register components to modularize your code, or create a reusable library.

📄️ Tag

Register and use tags to categorize and maintain compatibility between content packs.

📄️ Template

Master the power of templates to create content quickly.

Paid Creator Features

📄️ Account

Validate if the user has access to your paid content pack.