Building a Networked Radio System with 3D Audio and Sync
Building a functional, interactive, and multiplayer-compatible radio system in s&box requires coordinating networked replication, local 3D audio handles, extern…
Razor Panels: HTML/CSS UI with C# in s&box
s&box UI can be created using Razor syntax — web-like HTML/CSS combined with C#. Panels are not rendered via a HTML renderer; the syntax is a convenience layer …
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…
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…
Sync Properties - Complete Networking Guide
Sync Properties Sync Attribute Adding the attribute to a property on a Component will have its latest value sent to other players each time it changes. These pr…
Sync Properties: Networked State with Change Detection and Collections
The attribute on a Component property sends its latest value to other players each time it changes. Only the owner of the object can change synced properties. B…
BuildHash pattern for Razor panel optimization
BuildHash Pattern for Razor Panel Optimization BuildHash is a method you can override in Razor panels to prevent unnecessary rebuilds when the underlying state …
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…
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…
Scene Metadata - s&box Scene Documentation
Scene Metadata You can implement the interface in any Component that has data you'd like saved to Metadata. Metadata is data that can be accessed without needin…
Console Variables and Commands: ConVar and ConCmd Runtime Configuration
s&box provides console variables () and console commands () for runtime configuration and debugging. Console Commands Static methods with attribute: Server Comm…
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 …
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 …
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…
s&box SnapGrid: World-space snap grid overlay
SnapGrid: World-Space Snap Grid Overlay SnapGrid is a sealed class that manages a world-space snap grid overlay projected onto a surface plane. It is used by th…
Hotloading - s&box Documentation
Hotloading Whenever you save a code file in your project (.cs or .razor files), we recompile and attempt to live-reload the changed assembly. This lets you quic…
File System: Sandboxed Virtual Filesystems for Data Persistence
Standard .NET access is restricted in s&box. Instead, use the provided virtual filesystems that sandbox access to specific game directories. Available File Syst…
Sandbox: SaveSystem — scene diff save/load with versioning and ISaveEvents
Sandbox SaveSystem — Scene Diff Save/Load The captures the difference between the current scene state and the original scene file. This means saves are compact …
Execution Order - s&box Documentation
Execution Order Understanding the order in which component methods are called. Flowchart Component lifecycle follows a specific order: Constructor — Object crea…
GameObjectSystem - s&box Scene Documentation
GameObjectSystem GameObjectSystems are global systems that operate on groups of GameObjects. Unlike Components which are attached to single GameObjects, systems…