s&box MCP Knowledgebase

Documentation, API references, code examples and community knowledge for s&box development.

library_books 595 entries menu_book 352 Documentation code 133 API Reference terminal 100 Code Example groups 10 Community
Results for "undo" 16 results closeClear
terminalCode Example
May 12, 2026

UndoSystem: Per-player undo functionality

UndoSystem: Per-Player Undo Functionality This example shows the UndoSystem which provides per-player undo stacks for tracking spawned objects and allowing play…

codeAPI Reference
May 12, 2026

s&box UndoSystem: Per-player undo stacks

GameObjectSystem that provides per-player undo stacks with 128-step limit. Tracks GameObjects for destruction on undo. Classes PlayerStack Per-player undo stack…

terminalCode Example
May 4, 2026

Sandbox: UndoSystem — per-player undo stack with bounded history (128 steps)

UndoSystem — Per-Player Undo Stack The is a that maintains a per-player undo stack. Each entry holds a set of s that get destroyed when the undo is triggered. U…

menu_bookDocumentation
May 5, 2026

Undo System - s&box Editor Documentation

Undo System The undo system allows you to make editor actions reversible. Users can press Ctrl+Z to undo changes made by your tools. Scope Based Undo Create an …

menu_bookDocumentation
May 3, 2026

Undo System

Undo System Implement undo/redo functionality in editor tools. Basic Scope Capturing GameObject Changes GameObjectUndoFlags Capturing Creations Capturing Destru…

terminalCode Example
May 4, 2026

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…

menu_bookDocumentation
May 4, 2026

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…

codeAPI Reference
May 3, 2026

GameManager.Spawn RPC with Ident Parsing

GameManager.Spawn RPC Broadcast RPC for spawning entities from string identifiers with automatic weapon pickup detection. Ident Format - Spawn a prop from asset…

groupsCommunity
May 4, 2026

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…

terminalCode Example
May 4, 2026

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…

menu_bookDocumentation
May 20, 2026

Shader Graph Getting Started: Visual Shader Editor in s&box

s&box Shader Graph is a visual scripting language that compiles to shader code. Accessible to beginners and useful for rapid prototyping by experienced shader d…

codeAPI Reference
May 3, 2026

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…

terminalCode Example
May 4, 2026

Sandbox: ISpawner interface — custom spawner pattern with ISpawnEvents

ISpawner Interface — Custom Spawner Pattern The interface defines the contract for anything that can be spawned via the spawn menu. Implementations include , , …

terminalCode Example
May 4, 2026

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…

codeAPI Reference
May 12, 2026

s&box ISpawner: Spawner interface

ISpawner Interface API Reference ISpawner describes something that can be spawned into the world. Implementations handle their own preview rendering and spawn l…

codeAPI Reference
May 12, 2026

s&box EntitySpawnerEntity: Entity spawner

EntitySpawnerEntity Component API Reference EntitySpawnerEntity is a world-placed SENT that spawns another SENT at its location. Can be triggered manually via p…