RPC Messages: Broadcast, Owner, Host with Filtering and Caller Info
Components can contain RPCs — functions that when called locally, are also called remotely. Supported RPC argument types are the same as Sync properties. Basic …
s&box NpcConVars: Global NPC AI settings
NpcConVars Static Class NpcConVars is a static class that defines console variables controlling global NPC AI behavior in s&box. These ConVars can be set via co…
HTTP Requests - s&box Networking Documentation
HTTP Requests s&box provides an HTTP client for making web requests to external APIs. This is useful for fetching data, submitting scores to custom backends, or…
ComponentFlags: Hidden, NotSaved, NotNetworked, NotCloned — Controlling Component Behavior
ComponentFlags: Controlling Component Serialization, Networking, and Visibility is a flags enum on that controls how a component behaves in the editor, serializ…
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…
Console Variables and Commands: ConVar and ConCmd with Flags
Console variables () and commands () let you create tweakable settings and runnable commands accessible from the s&box console. Console Commands Static methods …
s&box WeaponConVars: Global weapon settings
WeaponConVars Static Class WeaponConVars is a static class that defines console variables controlling global weapon behavior in s&box. These ConVars can be set …
Sandbox: PlayerInventory — weapon slots, pickup, drop, and loadout persistence
Sandbox PlayerInventory — Weapon Slots, Pickup, Drop, and Loadout Persistence manages up to 6 weapon slots, handles pickup/drop logic, and delegates loadout sav…
Sandbox: BanSystem — persistent ban list with INetworkListener.AcceptConnection
Sandbox BanSystem — Persistent Ban List with INetworkListener is a that implements to intercept incoming connections and reject banned players before they join.…
Sandbox: Map entities — Door, Button, FuncMover, TriggerPush, TriggerTeleport
Sandbox Map Entities — Door, Button, FuncMover, TriggerPush, TriggerTeleport These components implement interactive map elements. They live in the namespace and…
LocalData static class: Server-side data persistence
LocalData Static Class API Reference LocalData provides server-side data persistence that survives server restarts. It's useful for storing configuration, ban l…
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…
Platform Chat: Built-in Text Chat with IChatEvent Filtering
s&box includes a built-in platform chat system for multiplayer games. Messages are routed through the host, validated, filtered via Steam's text filter, and dis…
Platform Chat - Built-in Multiplayer Text Chat System
Built-in text chat for multiplayer games. Messages are routed through the host, validated, filtered, and displayed via the standard overlay UI - no game code re…
Component Methods: OnLoad, OnAwake, OnStart, OnUpdate, OnFixedUpdate Lifecycle
Component lifecycle methods you can override: OnLoad (async) Called after deserialization for loading. Loading screen stays open until all OnLoad tasks complete…
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…
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: **** — …
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…
Standalone Code: Full .NET Access and STANDALONE Constant for Exported Games
When s&box games are exported as standalone builds, they run outside the platform with additional capabilities not available in platform games. STANDALONE Const…
Sync Properties: Automatic Property Replication with [Sync] Attribute
Adding the attribute to a property on a Component will have its latest value sent to other players each time it changes. Only the owner of the object can change…