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…
Network visibility — culling networked objects per client with INetworkVisible
Network Visibility — Culling Networked Objects Per Client Network visibility controls whether a networked object sends updates (Sync Vars, transforms) to a spec…
Your First Project - s&box Documentation
Your First Project Creating Game Objects In s&box, everything in your scene is a GameObject. GameObjects can have Components attached to them that provide funct…
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…
GameObjectFlags: DontDestroyOnLoad, NotNetworked, Absolute, and Destroy vs DestroyImmediate
GameObjectFlags: Controlling GameObject Behavior is a flags enum that controls special behaviors for GameObjects. Values Usage ```csharp // Survive scene loads …
Hotloading — live code reloading, IL fast path, and common pitfalls
Hotloading — Live Code Reloading s&box recompiles and live-reloads your assembly whenever you save a or file. You don't need to restart the editor for most chan…
Component Lifecycle: Full Callback Order — OnAwake, OnEnabled, OnStart, OnUpdate, OnFixedUpdate, OnDisabled, OnDestroy
Component Lifecycle: Full Callback Order s&box components have a well-defined lifecycle. Understanding the exact order prevents subtle bugs. Callback Order Key …
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…
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…
s&box Source Generator: IUpdateSubscriber, WrappedPropertySet, and How [Sync]/[Rpc.*] Work at Compile Time
s&box Source Generator: How [CodeGenerator] Works for [Sync] and [Rpc.*] The Roslyn source generator transforms your C# code at compile time. Understanding this…
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…
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…
HTTP Requests: Async GET and POST with JSON in s&box
s&box provides a static class for asynchronous HTTP requests (GET, POST, DELETE, etc.) with JSON support. Allowed URLs Only or URLs to domains (no IP addresses)…
Network Visibility: Culling and INetworkVisible Interface
Network Visibility controls whether a networked object sends updates (Sync Vars, Transform) to a specific player. By default, all networked objects always trans…
HudPainter: Immediate-Mode HUD Drawing in s&box
Each has a property (HudPainter) for immediate-mode drawing onto the screen. More efficient than UI panels since there's no layout, stylesheets, or interactivit…
Component Versioning: JsonUpgrader for Scene and Prefab Migration
s&box component versioning uses attributes and the property to migrate serialized scene/prefab data when you make breaking changes to component properties. This…
VirtualGrid: Virtualized Grid Panel for Large Item Collections
is a s&box UI Panel that virtualizes large item collections — only rendering visible cells. If you have thousands of items, it creates only the few on screen an…
Particle Effects: CPU-Simulated Programmable Particle System
The s&box particle system is CPU-simulated (multithreaded) and fully programmable via components. You can emit particles manually, iterate and modify them at ru…
PostProcessVolume: Camera-Based Effect Blending with Box, Sphere, and Infinite Modes
The component in s&box applies post-processing effects to cameras inside its volume. Effect components can be on the same GameObject or child GameObjects. Volum…
Prefabs: Reusable GameObjects with Runtime Spawning via Clone
A prefab is a GameObject that can be used in multiple places — across scenes or instantiated at runtime. Assets Prefabs are saved as PrefabFile assets. To creat…