CubeUI (Library)

Last Update:

• Version: 0.1.0 – beta
• Date: 2025-12-29
• Highlights: Added Theme Engine; implemented 9-slice rendering system; added essential widgets; implemented debug overlay.
• Status: first beta

CubeUI is a lightweight, modular UI Library for Minecraft Forge. It provides a robust framework for creating complex, scalable user interfaces with built-in theming support and high-performance rendering helpers. Designed to make modding UIs easier and more consistent.

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Features

• Advanced Theming System: A centralized ThemeManager allows hot-swapping textures and styles for all registered widgets.
• Smart Rendering: Built-in 9-slice (panels) and 3-slice (buttons/fields) rendering support. No more stretched textures.
• Essential Widgets: Includes a collection of standard, themable widgets ready for immediate implementation.
• Debug Tools: Includes a built-in debug overlay for developers (Press Ctrl + Shift + U).
• Vanilla Friendly: The default theme mimics the vanilla aesthetic perfectly but can be fully customized.

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Usage

Full documentation and implementation examples are available on the wiki (click the Documentation badge above).

To access the developer debug menu in-game, use: CTRL + SHIFT + U

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Requirements

• Minecraft: Forge 1.20.1+ (Check file versions)
• Loader: Forge Only
• Dependencies: None (Standalone Library)

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License

MIT – free to use in your own projects, modpacks, and addons.