s&box IToolActionEvents: Tool action callbacks
IToolActionEvents Interface API Reference IToolActionEvents allows listening to tool actions across the scene. Implement this on a Component to receive callback…
Sandbox: BaseConstraintToolMode — two-stage constraint creation with IToolActionEvents
BaseConstraintToolMode — Two-Stage Constraint Creation Pattern is the base for all two-point constraint tools (Weld, Rope, BallSocket, Elastic, Hydraulic, NoCol…
Editor Tools
Editor Tools Create custom tools for the s&box editor. Creating a Tool Scene Access Gizmo Drawing Preventing Selection Overlay UI Editor Project Setup Tools mus…
Sandbox: ToolMode system — creating custom Tool Gun modes
ToolMode System — Creating Custom Tool Gun Modes is the base class for all Tool Gun tools in Sandbox. Tools are components on the Toolgun and are enabled/disabl…
s&box IToolActionEvents: Tool action event interface
IToolActionEvents API Reference IToolActionEvents is a scene-wide interface for listening to toolgun actions before and after they execute. Type Signature Actio…
Component Editor Tools: Selection-Based Scene View UI and Gizmos
Component Editor Tools in s&box are always active when a specific Component is selected. They create UI in the scene view and can override input. An example is …
s&box IToolInfo: Tool information display interface
IToolInfo API Reference IToolInfo is an interface for providing tool information display in the UI, such as in the spawn menu or tool selector. Type Signature P…
Custom editor tools — EditorTool, Gizmo drawing, scene tracing, and overlay UI
Custom Editor Tools Editor tools appear in the s&box toolbar and let you build scene editing workflows — painting, placement, custom gizmos. They must live in a…
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…
Sandbox: Weld tool — FixedJoint constraint with EasyMode rotation
Sandbox Weld Tool — Constraint Creation with EasyMode Rotation The Weld tool creates constraints between two GameObjects. It has an EasyMode that lets the playe…
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.…
BaseConstraintToolMode for Constraint Tools
BaseConstraintToolMode Abstract Class Base class for two-stage constraint tools (weld, rope, elastic, etc.) with selection point handling. Class Overview Contro…
Sandbox: Full codebase architecture — systems, player components, weapons, tools, NPCs
Sandbox Codebase Architecture Overview The Facepunch Sandbox game is a large reference implementation. Here's a map of the major systems and how they connect. C…
Sandbox: LimitsSystem — server-side per-player spawn and tool limits via ConVars
LimitsSystem — Server-Side Spawn and Tool Limits is a that enforces configurable per-player limits on props, constraints, and tool entities. It listens to and .…
PolygonMesh — procedural block meshes with per-face materials and vertex editing
PolygonMesh — Procedural Block Meshes s&box includes a API for creating and editing meshes at runtime or in editor tools. The editor's block mesh tools use this…
Editor - s&box Documentation
Editor The s&box Editor provides a modern interface for building games. Features Asset Previews - Thumbnails for models, materials, textures Custom Editors - Sp…
s&box LimitsSystem: Spawn and tool limits
LimitsSystem GameObjectSystem API Reference LimitsSystem enforces configurable limits on spawning and tool usage. Maintains a per-player tracked object list pop…
Sandbox: Hydraulic tool — motorized SliderJoint with LineRenderer shaft
Sandbox Hydraulic Tool — Motorized SliderJoint Constraints The Hydraulic tool creates a between two objects with a component that can extend and retract the joi…
Sandbox: Duplicator tool — copy, paste, and save contraptions with DuplicationData
Duplicator Tool — Copy, Paste, and Save Contraptions The Duplicator tool copies a contraption (a connected graph of GameObjects) to JSON and pastes it back. It …
Component Event Interfaces for Tool Interactions
Component Event Interfaces (IPhysgunEvent, IToolgunEvent) Event interfaces that allow components to respond to tool interactions. These use s&box's pattern for …