69aa272004
Reuse one THREE.Line + preallocated position buffer per guide slot, mutating endpoints in place each drag tick instead of rebuilding the geometry, line, and two Vector3s and re-uploading the GPU buffer every frame. Key guides by a stable semantic id (sill / head / gap:side / vertical / spacing:i) so a slot that persists keeps its React element and drei <Html> pill mounted as the guide set churns, rather than remounting under shifting index keys. Also: make useOpeningGuides.clear() a no-op when already empty so the common no-guide hover frame doesn't push a fresh [] and re-render to the same nothing; dispose the move-tool cursor EdgesGeometry on unmount; and memoize the placement-tool cursor EdgesGeometry (static fallback dims) so it isn't reallocated and orphaned on every render during placement. Reviewed by Codex (peer + adversarial): no correctness, hook-order, or GPU-leak regressions. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
42 lines
2.0 KiB
TypeScript
42 lines
2.0 KiB
TypeScript
// Ephemeral store for the 3D opening proximity/alignment guides published by the
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// door/window move + placement tools during a drag — the wall-plane counterpart
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// of `useAlignmentGuides` (which only carries floor-plane XZ guides). Guides are
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// already transformed into the move tool's render frame — the same building-local
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// frame as the drag cursor (ToolManager's group) — so the renderer stays dumb.
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// Producers clear on commit, cancel, leave, and unmount.
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import { create } from 'zustand'
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export type OpeningGuideVec3 = [number, number, number]
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// A stable identity per guide slot (`sill`, `head`, `gap:left`, `vertical`,
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// `spacing:0`, …) so the renderer can key by semantic role: as the guide set
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// churns each drag tick, a slot that persists keeps its React element — and its
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// drei `<Html>` portal — mounted instead of remounting when the list shape
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// shifts under index keys.
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export type OpeningGuide3D =
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// A measured line + distance pill: sill (floor → bottom edge), head (top edge
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// → wall top), or along-wall edge-to-edge proximity.
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| { kind: 'dimension'; id: string; from: OpeningGuideVec3; to: OpeningGuideVec3; value: number }
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// A dashed line connecting two openings that share a sill / centre / top.
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| { kind: 'align-line'; id: string; from: OpeningGuideVec3; to: OpeningGuideVec3 }
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// A Figma-style "=" badge marking one gap in an equal-spacing run.
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| { kind: 'badge'; id: string; at: OpeningGuideVec3; value: number }
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type OpeningGuidesState = {
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guides: OpeningGuide3D[]
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set(guides: OpeningGuide3D[]): void
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clear(): void
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}
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const useOpeningGuides = create<OpeningGuidesState>((set) => ({
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guides: [],
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set: (guides) => set({ guides }),
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// No-op when already empty so the common no-guide hover frame (fallback
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// cursor, invalid target, roof hover) doesn't push a fresh `[]` and notify
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// subscribers — the layer would re-render to the same nothing every tick.
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clear: () => set((s) => (s.guides.length > 0 ? { guides: [] } : s)),
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}))
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export default useOpeningGuides
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