s&box MCP Knowledgebase

Documentation, API references, code examples and community knowledge for s&box development.

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Results for "custom" 146 results closeClear
menu_bookDocumentation
May 5, 2026

Custom Assets - s&box Documentation

Official s&box documentation for Custom Assets - user-defined resource types. Custom Assets allow defining new asset types for your game. GameResource is the ba…

menu_bookDocumentation
May 5, 2026

Custom Snapshot Data - s&box Networking Documentation

Custom Snapshot Data For advanced networking, you can write and read custom data in network snapshots. This allows efficient synchronization of complex game sta…

menu_bookDocumentation
May 4, 2026

GameResource: Custom Asset Types, PostLoad, PostReload, ResourceLibrary.Get, and Resource Networking

GameResource: Custom Asset Types, PostLoad, and Resource Networking is the base class for all JSON-based assets in s&box (prefabs, scene files, custom assets). …

menu_bookDocumentation
May 5, 2026

Custom Editors - s&box Editor Documentation

Custom Editors Custom editors let you create specialized inspector interfaces for your components and assets. Build custom widgets, property drawers, and full i…

menu_bookDocumentation
May 20, 2026

Custom Snapshot Data: INetworkSnapshot for s&box Joining Client Data Transfer

s&box Components can write and read custom data during the network snapshot process by implementing . The snapshot is sent to clients when they join a s&box mul…

codeAPI Reference
May 12, 2026

s&box ScriptedEntity: Custom entity GameResource

ScriptedEntity GameResource API Reference ScriptedEntity is a GameResource that defines a spawnable entity with a prefab, used by the spawn menu to create custo…

terminalCode Example
May 5, 2026

Custom GameResource assets — defining asset types with ResourceLibrary and PostLoad registry

Custom GameResource Assets lets you define your own asset types with a custom file extension, inspector UI, and hot-reload support. Assets are JSON files under …

menu_bookDocumentation
May 20, 2026

Particle Effects: CPU-Simulated Programmable Particle System

The s&box particle system is CPU-simulated (multithreaded) and fully programmable via components. You can emit particles manually, iterate and modify them at ru…

menu_bookDocumentation
May 20, 2026

Custom GameResource Assets: Define, Create, and Access Custom Asset Types

Define custom asset types as subclasses. They get a nice inspector window, are hotloaded in-game, and are stored as JSON files with a custom extension. Creating…

menu_bookDocumentation
May 3, 2026

Custom Editors

Custom Editors Create custom editor widgets for your classes, structs, and assets. ControlWidget (Property Editor) Create custom property editors using : Attrib…

menu_bookDocumentation
May 20, 2026

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…

menu_bookDocumentation
May 20, 2026

UI Style Properties: CSS Reference with Custom Pseudo-Classes and Sound Events

s&box UI styling follows web CSS conventions with some differences. Everything is flex by default. Key custom properties include / for hover/click sounds, , and…

terminalCode Example
May 20, 2026

NavMesh Links: Custom Jump and Ladder Traversal for AI Agents

NavMesh Links connect disconnected NavMesh regions (jumps, ladders, teleports). By default agents linearly interpolate between endpoints, but you can implement …

menu_bookDocumentation
May 4, 2026

DamageInfo: The Standard Damage Payload — Properties, Usage, and Custom Types

DamageInfo: The Standard Damage Payload is a class (not a struct) used to pass damage information between game systems. It is intentionally a class so games can…

menu_bookDocumentation
May 4, 2026

Graphics.Draw, Blit, DrawText, DrawIcon, and GrabFrameTexture — Custom Rendering APIs

Graphics.Draw and Graphics.Blit: Custom Rendering in s&box provides low-level rendering APIs for drawing custom geometry, screen-space quads, and text. All call…

codeAPI Reference
May 3, 2026

Sandbox.GameResource

Sandbox.GameResource Base class for custom asset types. Overview GameResource is the base class for creating custom asset types that appear in the editor with f…

menu_bookDocumentation
May 5, 2026

Custom Particle Controller - s&box Documentation

Official s&box documentation for the Particle System - visual effects. Particle Effect creates GPU-accelerated visual effects. Custom Particle Controllers scrip…

menu_bookDocumentation
May 5, 2026

Editor - s&box Documentation

Editor The s&box Editor provides a modern interface for building games. Features Asset Previews - Thumbnails for models, materials, textures Custom Editors - Sp…

menu_bookDocumentation
May 5, 2026

Game Resources - s&box Documentation

Official s&box documentation for Game Resources - custom asset types. GameResource allows defining custom asset types that can be created in the editor and load…

menu_bookDocumentation
May 20, 2026

INetworkSnapshot: Custom Binary Data in s&box Network Snapshots

s&box Components can implement to write and read custom binary data during the network snapshot process. When a client joins a server, the snapshot is sent once…