[Sync] Attribute: SyncFlags.FromHost, SyncFlags.Interpolate, SyncFlags.Query — How Property Sync Works
[Sync] Attribute: SyncFlags and How Property Synchronization Works The attribute marks a component property for automatic network synchronization from the owner…
Sync Properties for Networked State
Sync Properties for Multiplayer The attribute automatically synchronizes property values to all clients when they change. Basic Sync Sync Flags Customize sync b…
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: 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…
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…
[Change] Attribute: Callbacks When Properties Change — Works with [Sync] and [ConVar], Priority, and All-Client Firing
[Change] Attribute: Callbacks When Properties Change The attribute invokes a method whenever a property's value changes. It works with any property but is espec…
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…
Sandbox: ThrusterEntity and WheelEntity — contraption propulsion with ClientInput bindings
ThrusterEntity and WheelEntity — Contraption Propulsion Components Both and implement and use properties so players can bind them to keys from a vehicle seat. T…
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…
s&box PhysicalProperties: Physical property persistence
PhysicalProperties Component API Reference PhysicalProperties is a Component that persists physical properties (mass, gravity, health) across duplication and ne…
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 …
NetworkMode, NetworkFlags, OwnerTransfer, NetworkOrphaned — Complete Networking Enum Reference
NetworkMode, NetworkFlags, OwnerTransfer, and NetworkOrphaned — Complete Reference NetworkMode Controls how a is networked. Set via . Once a is a , only the hos…
s&box MountMetadata: Mount fallback rendering
MountMetadata Component API Reference MountMetadata is attached to mount-spawned props to show a graceful bounding box and hint the player which game it's from …
s&box networking gotchas — IsProxy, Sync, Authority, NetworkSpawn, and culling
s&box Networking Gotchas Common mistakes when building multiplayer games in s&box. IsProxy vs IsAuthority is true on all clients that don't own the object. Alwa…
s&box FuncMover: Moving and rotating objects
FuncMover Component API Reference FuncMover is a Component that moves and rotates a GameObject with configurable linear and rotational movement patterns. Type S…
NetList and NetDictionary: Delta Sync, OnChanged Callbacks, Write Guard, and CanWriteChanges
NetList and NetDictionary: Networked Collections with Delta Sync and are s&box networked collection types for use with . They only send changes (deltas) over th…
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…
Rigidbody Component: Networked Velocity, Proxy Physics Simulation, Impact Damage, and SmoothMove
Rigidbody Component: Networking, Velocity Sync, and Proxy Physics Simulation The component is the primary way to add physics simulation to a . It implements and…
Sandbox: Stacker tool — duplicate objects in a line or arc with StackAlignMode
Stacker Tool — Duplicate Objects in a Line or Arc The Stacker tool clones a selected object N times along a configurable axis with optional rotation and gap. It…
Ownable Component Pattern for Prop Ownership
Ownable Component - Prop Ownership and Permission System A component that tracks which player spawned an object and enforces ownership-based permissions. Useful…