Network Helper
Network Helper Pre-built component for common multiplayer scenarios. What It Does NetworkHelper handles typical multiplayer setup: Auto-creates server if enable…
Network Events: INetworkListener for Player Join, Leave, and Active Callbacks
Implement or on a component to react to players joining and leaving the game. INetworkListener Example Spawn a player object when someone joins: INetworkListene…
NetworkSpawn, Ownership Transfer, and Network.Refresh in s&box
NetworkSpawn and Ownership Transfer in s&box Spawning a Networked Object Ownership Transfer Modes (OwnerTransfer) Taking and Dropping Ownership Checking Ownersh…
RPC Security: How s&box Validates Incoming RPCs — Attribute Check, Permission Flags, Kick on Unauthorized
RPC Security: How s&box Validates Incoming RPCs Understanding how s&box validates incoming RPCs is important for writing secure multiplayer code. Validation Ste…
NetworkObject: Ownership, Proxy State, and Automatic Culling
NetworkObject Ownership, Proxy State, and Culling Derived from in the s&box engine source. Ownership Model Every networked has a (internal) that tracks: **** — …
Connection Permissions - s&box Networking Documentation
Connection Permissions Connection permissions control what clients can do in your multiplayer game. Set permissions for spawning objects, using tools, or perfor…
System Requirements - s&box Documentation
System Requirements Recommended OS: Windows 10 or Windows 11 Processor: Quad-core processor Memory: 16 GB RAM Graphics: NVIDIA GTX 1060 or AMD RX 580 Storage: 5…
s&box Rigidbody Component: Physics Body Reference
s&box Rigidbody Component: Physics Body Reference adds physics simulation to a . It requires at least one component on the same object. Key Properties Force and…
Testing Multiplayer: New Instances, Hotloading, and Local Connect
s&box provides built-in tools for testing multiplayer without needing another player. You can spawn additional game instances that join your running session, wi…
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…
IGameObjectNetworkEvents: Ownership Change and Control Transfer Events
lets Components on a networked GameObject react to ownership changes. The events are targeted only at the specific GameObject whose ownership is changing. Inter…
Engine Frame Loop Order: FrameStart, Scene Tick, and FrameEnd Sequence
Engine Frame Loop Order The s&box engine frame loop runs in a specific order each frame. Understanding this is important for knowing when your code runs relativ…
Testing Multiplayer - s&box Networking Documentation
Testing Multiplayer s&box provides tools for testing multiplayer locally without needing multiple computers or Steam accounts. New Instance Launch a second game…
GameObjectSystem with [Sync] and RPCs: Networked Scene-Level State
GameObjectSystem with [Sync]: Networked Scene-Level State supports properties just like components. However, there is a key difference: all properties on a are …
Network Ownership: Taking, Dropping, and Transferring Object Control
Networked GameObjects can be owned by a connection. Objects owned by a connection are simulated by that connection — their position and sync variables are contr…
s&box Cheat Sheet
s&box Cheat Sheet Quick reference for common s&box operations. Debugging Transforms GameObjects Components Input Networking
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…
Time Utilities: TimeSince, TimeUntil, and Frame-Rate Independence
s&box provides time utilities for cooldowns, countdowns, and frame-rate independent movement without manual bookkeeping. Time.Delta Seconds since last frame. Mu…
s&box ISceneEvent: Scene-Wide and Per-Object Event Broadcasting
s&box ISceneEvent<T>: Scene-Wide and Per-Object Event Broadcasting is the base interface for all scene event systems. It provides static methods for broadcastin…
Voice Component: Push-to-Talk, Lip Sync Visemes, ExcludeFilter, ShouldHearVoice, and Amplitude
Voice Component: Voice Chat, Lip Sync, and Viseme Morphs The component handles voice chat recording, transmission, and playback with optional lip sync. Basic Se…