LLM Dynamic UI

DSL-Driven UMG Widget Generation System for Unreal Engine 5.

Generate complete UMG Widget Blueprints from JSON (.llmui files) with layout, animations, and SDF visual effects — no manual editor work required.

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Features

• One JSON, Complete UI — Layout, widgets, and animations generated from a single .llmui file
• LLM-First Design — AI outputs JSON directly, no UE editor knowledge required
• Bidirectional Conversion — JSON → UMG Blueprint, UMG Blueprint → JSON, perfect roundtrip
• CommonUI Deep Integration — Auto-generates style assets (CommonTextStyle, CommonButtonStyle)
• Animation System — Property animations with 15+ easing functions (Linear, Quad, Cubic, Elastic, Bounce, Back)
• Loop & AutoPlay — Infinite loops, ping-pong (yoyo) mode, auto-start on spawn
• 24 Widget Types — VerticalBox, HorizontalBox, Canvas, Overlay, ScrollBox, Text, Image, Button, and more
• JSON Schema Driven — Recursive property discovery, 50+ properties auto-parsed
• Editor Panel — Import .llmui files, preview widget tree, batch generate
• Full Compatibility — Works with CommonActivatableWidget, CommonUserWidget, UserWidget

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Quick Start

1. Menu → Tools → LLM Dynamic UI Panel
2. Paste .llmui JSON or import a .llmui file
3. Click Generate UMG Widget
4. The generated Widget Blueprint opens automatically

{
  "version": "2.0",
  "name": "LoginScreen",
  "rootWidget": {
    "id": "root",
    "type": "VerticalBox",
    "children": [
      {
        "type": "Text",
        "style": { "fontSize": 28, "fontWeight": "Bold", "color": "#FFD84D" },
        "content": { "text": "Welcome Back" }
      },
      {
        "type": "Button",
        "style": { "normalColor": "#1a66cc", "cornerRadius": 8 },
        "content": { "text": "Login" },
        "events": { "onClick": "OnLoginClicked" }
      }
    ]
  }
}

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Version Info

Item	Value
Plugin Version	1.0.0
Engine	UE 5.7+
Modules	LLMDynamicUI (Runtime), LLMDynamicUIEditor (Editor)
Publisher	YominUnreal