GameObjectSystem: Auto-Instantiation, Host-Controlled [Sync], RPCs, Stage Hooks, and Configuration Priority
GameObjectSystem: Auto-Instantiation, [Sync] Properties, and RPCs is a scene-level singleton that is automatically instantiated once per scene. Every non-abstra…
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 …
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…
GameObjectSystem: Batch Processing and Execution Order Control
A GameObjectSystem lets you run logic at specific points during the frame for all components of a type, rather than relying on individual component Update metho…
GameObjectSystem: Scene-Level Batch Processing Systems in s&box
A in s&box is a scene-level system that performs work at specific points during the frame. Automatically instantiated when a scene is created — no manual setup …
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…
ISceneStartup: OnHostPreInitialize, OnHostInitialize, OnClientInitialize — Scene Initialization Hooks
ISceneStartup: Scene Initialization Hooks for GameObjectSystems provides callbacks for scene initialization events. It is intended for implementations, not comp…
Component Execution Order: Lifecycle Flow and GameObjectSystem Ordering
s&box component execution order determines when lifecycle methods are called. You should not rely on the order in which the same callback gets invoked for diffe…
Scene Tick Order: Full Frame Pipeline — FixedUpdate, Update, PreRender, ProcessDeletes, and Stage Hooks
Scene Tick Order: The Full Frame Pipeline Understanding the exact order of operations in a scene tick is critical for writing correct game logic. Game Tick Orde…
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, …
ISceneCollisionEvents, IScenePhysicsEvents, ISceneLoadingEvents — Physics and Loading Callbacks
ISceneCollisionEvents and IScenePhysicsEvents: Physics Callbacks ISceneCollisionEvents Implement this interface on a component to receive collision callbacks. U…
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…
Sandbox: CleanupSystem — full scene cleanup and per-player cleanup with Ownable
Sandbox CleanupSystem — Scene Cleanup and Per-Player Cleanup is a that handles cleaning up spawned objects. It distinguishes between "baseline" objects (part of…
Scene.Trace: Raycasting, Shape Sweeps, Tag Filters, SceneTraceResult Fields, and FindInPhysics
Scene.Trace: Raycasting and Shape Sweeps in s&box is the entry point for all physics traces in s&box. It returns a builder that uses a fluent API. Basic Usage F…
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.…
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…
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 …
ISceneLoadingEvents: Async Scene Load Hooks with BeforeLoad, OnLoad, and AfterLoad
ISceneLoadingEvents: Async Scene Load Hooks Implement on a to hook into the scene loading pipeline. The game waits for async tasks to complete before proceeding…
Component execution order — OnAwake, OnStart, OnUpdate, OnFixedUpdate, and OnLateUpdate
Component Execution Order s&box calls component lifecycle methods in a defined order each frame. Understanding this order is essential for avoiding race conditi…
Scene Object Index: How Scene.GetAll Works — Type Hierarchy Indexing, Update Sets, and Hotload Safety
Scene Object Index: How Scene.GetAll<T> Works and Why It's Fast is the primary way to find all active components or systems of a type in the scene. Understandin…