Dedicated Servers - s&box Documentation
Official s&box documentation for dedicated server hosting. Dedicated Servers covers running s&box games on headless servers. Running Local Projects explains tes…
Noclip MoveMode with Collision Toggle
Noclip MoveMode Implementation Custom movement mode for noclip/fly behavior with collision toggle. Key Patterns MoveMode inheritance — override , , priority — 1…
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…
SceneAnimationSystem: Threaded Animation, Bone Merge Order, Procedural Bones, and Ragdoll Physics Step
SceneAnimationSystem: Threaded Animation Updates and Bone Merge Order drives all animation updates. It runs at (after , before ). Threading Model Animation upda…
Unit Tests - s&box Documentation
Official s&box documentation for Unit Tests - automated testing. Unit Tests covers writing and running tests for s&box code. Tests can verify component behavior…
Serverside Code: #if SERVER Blocks and .Server.cs Files for Hidden Logic
s&box supports serverside-only code that is stripped from client builds. This only works when running local projects on dedicated servers. #if SERVER Blocks Cod…
Common Pitfalls and How to Avoid Them
s&box Common Pitfalls and How to Avoid Them Community-compiled list of frequently encountered issues and their solutions, based on Discord support channels and …
ConVar and ConCmd: Console Variables and Commands in s&box
ConVar and ConCmd: Console Variables and Commands s&box uses and attributes on static properties and methods to expose them to the console system. ConVar (Conso…
Dedicated Servers: Installation, Configuration, and Command Line
s&box dedicated servers run headless and can be installed via SteamCMD. They host multiplayer games without requiring the full editor. Installation Install via …
s&box Component Lifecycle: Exact Execution Order and Internal Guards
s&box Component Lifecycle: Exact Execution Order and Internal Guards Derived directly from and in the s&box engine source. Execution Order **** — Called once wh…
s&box TaskBase: NPC task base class
Abstract base class for NPC tasks. Tasks are executed as part of a Schedule and return a TaskStatus to indicate their state. Properties Methods TaskStatus Enum …
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 …
Sandbox: Duplicator tool — copy, paste, and save contraptions with DuplicationData
Duplicator Tool — Copy, Paste, and Save Contraptions The Duplicator tool copies a contraption (a connected graph of GameObjects) to JSON and pastes it back. It …
UndoSystem: Per-player undo functionality
UndoSystem: Per-Player Undo Functionality This example shows the UndoSystem which provides per-player undo stacks for tracking spawned objects and allowing play…
s&box UndoSystem: Per-player undo stacks
GameObjectSystem that provides per-player undo stacks with 128-step limit. Tracks GameObjects for destruction on undo. Classes PlayerStack Per-player undo stack…
SceneTraceResult: All Fields and Properties from Trace Hits
is returned by and contains all information about a trace hit. Key Fields Common Usage Pattern
[Change] Attribute: Callbacks When Properties Change — Works with [Sync] and [ConVar], Priority, and All-Client Firing
[Change] Attribute: Callbacks When Properties Change The attribute invokes a method whenever a property's value changes. It works with any property but is espec…
Component Marker Interfaces: ExecuteInEditor, DontExecuteOnServer, IDamageable, INetworkSpawn, IPressable, INetworkVisible
Component Marker Interfaces: ExecuteInEditor, DontExecuteOnServer, IDamageable, INetworkSpawn, IPressable s&box uses marker interfaces nested inside the class t…
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.Ray
Sandbox.Ray Infinite ray for intersection tests. Overview Ray represents an infinite line starting from a point and extending in a direction. Used for raycastin…