WebSockets: External Server Communication with Auth Token Support
s&box allows WebSocket connections to interface with external servers. Common uses include custom networking and persistent data storage outside the local files…
Testing Multiplayer: Local Multi-Instance Development Workflow
The best way to test multiplayer is having someone join your game, but s&box provides tools for solo testing. Spawning a New Instance Click the network status i…
ISceneStartup: Scene Initialization Events for Host and Client Setup
The event interface in s&box allows Components and GameObjectSystems to listen to scene startup events. These run when pressing play in editor, loading a game, …
Component Interfaces: ExecuteInEditor, ICollisionListener, IDamageable in s&box
s&box provides several Component interfaces for specific purposes: editor execution, collision handling, triggers, damage, and networking. ExecuteInEditor Compo…
Sandbox: LimitsSystem — server-side per-player spawn and tool limits via ConVars
LimitsSystem — Server-Side Spawn and Tool Limits is a that enforces configurable per-player limits on props, constraints, and tool entities. It listens to and .…
Component Events - s&box Scene Documentation
Component Events Components can broadcast and listen for events. This provides a decoupled way for components to communicate without direct references. Event In…
Binary Serialization - s&box Documentation
Official s&box documentation for Binary Serialization - efficient data storage. Binary Serialization saves data in compact binary format. The system handles ver…
Video - s&box Media Documentation
Video s&box can decode and play video files for cutscenes, UI elements, or in-world displays. VideoPlayer The VideoPlayer decodes video and exposes frames as a …
ConVar and ConCmd — console variables and commands with flags and game settings
ConVar and ConCmd — Console Variables and Commands and are s&box attributes for exposing variables and commands to the developer console. Console Commands Conso…
s&box Game Static Class: Core Game State and Operations
s&box Game Static Class: Core Game State and Operations The static class provides global access to core game state, utilities, and operations. Scene Management …
HTTP Requests: Async GET, POST, and JSON with the Static Http Class
s&box provides a static class for creating asynchronous HTTP requests (GET, POST, DELETE, etc.) with JSON content and response parsing. URL Restrictions Only or…
Styling Panels - s&box UI Documentation
Styling Panels Style your UI panels using SCSS-like stylesheets or direct code styling. Using Stylesheets Create files alongside your files: Or specify a differ…
Texture Generators - s&box Editor Documentation
Texture Generators Create procedural textures in code. Generate textures from shapes, gradients, text, or any algorithm. Creating a Generator Inherit from : Pro…
GameObjectSystem — scene-wide systems with stage-ordered execution and static access
GameObjectSystem — Scene-Wide Systems is a base class for scene-level systems that need to run at specific points in the frame — before or after physics, render…
Sandbox: Physgun — grab, freeze, launch, and pull mechanics
Physgun — Grab, Freeze, Launch, and Pull Mechanics The Physgun () is a that lets players grab, move, freeze, and launch physics objects. It uses a struct to tra…
Sandbox: NPC system — Schedule, Task, and Layer architecture
NPC System — Schedule, Task, and Layer Architecture The Sandbox NPC system uses a layered architecture: Layers handle continuous behaviours (navigation, senses,…
Sandbox: ISpawner interface — custom spawner pattern with ISpawnEvents
ISpawner Interface — Custom Spawner Pattern The interface defines the contract for anything that can be spawned via the spawn menu. Implementations include , , …
GameResource Extensions - s&box Assets Documentation
GameResource Extensions Extend GameResource types with additional data. Create extensions that attach to existing resources like models or sounds. Creating a Re…
NetworkHelper: Simplified Multiplayer Setup with Player Spawning
The NetworkHelper component simplifies multiplayer setup. It handles server creation, player spawning, and object ownership. Creating a Server Set to true and a…
Storage UGC - s&box Assets Documentation
Storage UGC The Storage system manages user-generated content. Save games, player creations, and share to Steam Workshop. Creating a New Entry Create a storage …