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…
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 …
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…
Indirect Light Volumes (DDGI) — dynamic global illumination probe grid
Indirect Light Volumes (DDGI) places a probe grid for dynamic global illumination — light bouncing off surfaces tints nearby objects, and sunlight fades natural…
Physics Events - s&box Physics Documentation
Physics Events Receive callbacks for physics events in the scene. IScenePhysicsEvents Implement this interface on a component to receive scene-wide physics even…
Backend Services - Achievements, Leaderboards, Stats
Backend Services - Achievements, Leaderboards, Stats Integrate Steam backend services for player progression, competition, and analytics. Achievements Track and…
Stats Service: Recording and Reading Player Statistics in s&box
Games can record per-player stats using . Stats can be queried individually, per-player, or globally. Recording Stats Increment a counter: Set a value directly:…
ModelRenderer Material Overrides: MaterialOverride, SetMaterialOverride by Tag, Per-Index Materials Accessor, and Attachments
ModelRenderer Material Overrides: MaterialOverride, SetMaterialOverride, and Materials Accessor provides several ways to override materials on a model. Global M…
FileSystem: Mounted, Data, OrganizationData, Cache, and Memory Filesystems
FileSystem: Accessing Game Files in s&box s&box provides several filesystem access points through the static class. Available Filesystems Reading and Writing Fi…
Indirect Light Volumes: Probe-Based Global Illumination and Bounce Lighting
Indirect Light Volumes in s&box use a grid of probes to sample indirect light from all directions. When rendering, the system interpolates between nearby probes…
MusicPlayer: Streaming Audio with Visualization and World-Space Positioning
in s&box handles music tracks and streaming audio with programmatic control over playback, positioning, and visualization. For sound effects, use the Sound syst…
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…
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…
Game Static Class: ActiveScene, ChangeScene, TypeLibrary, Cookies, and Core State Properties
Game Static Class: ActiveScene, ChangeScene, TypeLibrary, and Core State The static class is the primary entry point for global game state in s&box. Core State …
Network Events - s&box Networking Documentation
Network Events Network events allow you to broadcast and listen for events across the network. Unlike RPCs which target specific objects, network events are glo…
ActionGraph - Visual Scripting System
ActionGraph - Visual Scripting System Create game logic using node-based visual scripting without writing code. Overview ActionGraph lets you: Build gameplay lo…
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: **** — …
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…
Mapping - s&box Editor Documentation
Mapping s&box includes Hammer, the Source 2 level editor, for creating maps and environments. Build worlds with brushes, props, lighting, and gameplay entities.…
Shaders in s&box - HLSL and Shading Models
Shaders in s&box - HLSL and Shading Models Write custom shaders in HLSL with Source 2's shading models, render states, and GPU instancing support. Shader Develo…