Component Versioning: JsonUpgrader for Scene and Prefab Migration
s&box component versioning uses attributes and the property to migrate serialized scene/prefab data when you make breaking changes to component properties. This…
Cloud Assets: Referencing and Runtime Mounting from sbox.game
s&box provides access to a large library of cloud assets (models, textures, sounds) hosted on sbox.game. Assets are downloaded and cached automatically — no man…
Hotloading Pitfalls: Default Values, Types, Delegates, and Optimization
s&box hotloads code changes live when you save or files. Understanding the pitfalls helps avoid subtle bugs during development. How It Works IL Hotload (Fast): …
File System: Sandboxed Virtual Filesystems for Data Persistence
Standard .NET access is restricted in s&box. Instead, use the provided virtual filesystems that sandbox access to specific game directories. Available File Syst…
Unit Tests: MSTest with Engine Initialization for Component Testing
s&box supports unit testing via a directory in your project. The engine auto-generates a test project when this directory exists (restart editor after creating …
Libraries: Reusable Code Packages with Source Sharing
s&box Libraries are self-contained code and asset packages stored in your project's folder. They enable code reuse across multiple projects and can be shared wi…
CodeGenerator: Compile-Time Method and Property Wrapping via Attributes
The attribute in s&box lets you create custom attributes that wrap methods and properties at compile time. This is the mechanism behind properties and — you can…
Prefab Instance Overrides: Property, Component, and GameObject Customization
Prefab instance overrides in s&box allow you to customize individual instances of a prefab without affecting the original or other instances. The instance remem…
Game Mounts: Creating Custom Asset Mounts for External Games
The s&box mount system is extensible — anyone can write a mount to add support for a new game or engine. A mount detects a game's install directory via Steam, s…
Exporting Standalone: Royalty-Free Game Distribution via Steam
Export your s&box game as a standalone executable for distribution outside the s&box platform. Key Features Steam and beyond — publish to any storefront (must a…
Creating Terrain: Heightmap Setup, World Scale, and Asset Reuse
To add Terrain to your s&box scene, right-click in the Hierarchy and select 3D Object → Terrain. The inspector prompts you to create, import, or link an existin…
ActionGraph: Visual Scripting with Nodes, Links, and Control Flow
ActionGraph is s&box's visual scripting language. Each node describes an action or expression, and links between nodes carry values or signals. No C# coding req…
Localization: Token-Based Multi-Language UI Text in s&box
s&box supports localization through token-based string replacement. Any displayed string beginning with is recognized as a localization token and replaced with …
Hotloading: Live Code Reload Without Editor Restart in s&box
s&box hotloading recompiles and live-reloads code when you save or files, without restarting the editor. How It Works IL Hotload (Fast): If only method bodies c…
Custom Assets: GameResource Definition with Inspector and Hotloading
Define custom asset types as in s&box. They provide inspector windows, are hotloaded in-game, and are stored as JSON files with custom extensions. Creating a Cu…
Prefab Templates: Adding Custom Prefabs to the s&box Create Menu
s&box Prefab Templates let you add custom prefabs to the GameObject Create menu in the scene editor. Setup Enable "Show In Menu" on a Prefab File in the inspect…
Shader Graph Getting Started: Visual Shader Editor in s&box
s&box Shader Graph is a visual scripting language that compiles to shader code. Accessible to beginners and useful for rapid prototyping by experienced shader d…
Shader Graph - s&box Documentation
Official s&box documentation for the Shader Graph - node-based shader creation. Shader Graph allows creating custom shaders without writing HLSL code. Nodes rep…
s&box Sandbox Security Model: Assembly Whitelist, Blocked APIs, Reflection Restrictions, and Safe Assembly Caching
s&box Sandbox Security Model: Assembly Access Control and Whitelisted APIs s&box uses a whitelist-based security model to prevent game code from accessing dange…
Libraries - s&box Code Documentation
Libraries Libraries are reusable code packages you can share between projects or distribute to others. They provide a way to modularize your code and avoid dupl…