Files
editor/packages/core
Wassim SAMADandClaude Opus 4.7 fb91713374 Add node registry primitives (PR 0.1 of node-registry plan)
Introduces the @pascal-app/core/registry surface that future node-bundle
packages (and external plugins) will use to register node kinds with the
host. No runtime behavior changes — registry is empty until subsequent
PRs populate it.

- types.ts: NodeDefinition, Capabilities, Relations, DragAction, Plugin,
  ParametricDescriptor, Affordance, SceneApi, NodeRegistry. Capability
  configs accept an override escape hatch; additive-only after v1.
- registry.ts: nodeRegistry singleton, registerNode, async loadPlugin.
  Validates kind, schemaVersion, apiVersion; rejects duplicate kinds.
- scene-api.ts: createSceneApi factory wrapping the scene store with
  copy-on-write snapshot semantics for pauseHistory/restore/resumeHistory.
- index.ts: barrel re-exporting the public surface.
- core/index.ts + package.json: export * from registry and add the
  ./registry subpath so consumers can import either way.

Tests (27 cases, all bun:test): registry registration / validation /
plugin loading; SceneApi read/write/dirty/history; lazy snapshot capture
with update/upsert/delete reversal via restore and restoreAll.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-14 11:18:29 -04:00
..
2026-02-05 08:22:19 +09:00

@pascal-app/core

Core library for Pascal 3D building editor.

Installation

npm install @pascal-app/core

Peer Dependencies

npm install react three @react-three/fiber @react-three/drei

What's Included

  • Node Schemas - Zod schemas for all building primitives (walls, slabs, items, etc.)
  • Scene State - Zustand store with IndexedDB persistence and undo/redo
  • Systems - Geometry generation for walls, floors, ceilings, roofs
  • Scene Registry - Fast lookup from node IDs to Three.js objects
  • Spatial Grid - Collision detection and placement validation
  • Event Bus - Typed event emitter for inter-component communication
  • Asset Storage - IndexedDB-based file storage for user-uploaded assets

Usage

import { useScene, WallNode, ItemNode } from '@pascal-app/core'

// Create a wall
const wall = WallNode.parse({
  points: [[0, 0], [5, 0]],
  height: 3,
  thickness: 0.2,
})

useScene.getState().createNode(wall, parentLevelId)

// Subscribe to scene changes
function MyComponent() {
  const nodes = useScene((state) => state.nodes)
  const walls = Object.values(nodes).filter(n => n.type === 'wall')

  return <div>Total walls: {walls.length}</div>
}

Node Types

  • SiteNode - Root container
  • BuildingNode - Building within a site
  • LevelNode - Floor level
  • WallNode - Vertical wall with optional openings
  • SlabNode - Floor slab
  • CeilingNode - Ceiling surface
  • RoofNode - Roof geometry
  • ZoneNode - Spatial zone/room
  • ItemNode - Furniture, fixtures, appliances
  • ScanNode - 3D scan reference
  • GuideNode - 2D guide image reference

Systems

Systems process dirty nodes each frame to update geometry:

  • WallSystem - Wall geometry with mitering and CSG cutouts
  • SlabSystem - Floor polygon generation
  • CeilingSystem - Ceiling geometry
  • RoofSystem - Roof generation
  • ItemSystem - Item positioning on walls/ceilings/floors

License

MIT