70 lines
2.2 KiB
TypeScript
70 lines
2.2 KiB
TypeScript
'use client'
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import { useEffect, useMemo } from 'react'
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import * as THREE from 'three'
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import { INVALID_GHOST_COLOR } from '../shared/ghost-materials'
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import { buildBoxVentGeometry } from './geometry'
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import type { BoxVentNode } from './schema'
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/**
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* Translucent ghost of a box vent, used by the placement tool's cursor
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* and the move-tool preview. Builds the geometry through the shared
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* pure builder so the ghost shape stays in lockstep with the committed
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* vent.
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*
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* Raycast is disabled on the mesh — the cursor follows the vent, so
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* leaving raycast active would cause the preview itself to intercept
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* the cursor ray and starve the placement tool of `roof:move` events.
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*/
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const BoxVentPreview = ({ node, invalid }: { node: BoxVentNode; invalid?: boolean }) => {
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// biome-ignore lint/correctness/useExhaustiveDependencies: deps deliberately list the build inputs; depending on the whole object would rebuild on unrelated field changes.
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const geometry = useMemo(
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() => buildBoxVentGeometry(node),
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[node.width, node.depth, node.height, node.hoodOverhang, node.style],
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)
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const material = useMemo(
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() =>
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new THREE.MeshStandardMaterial({
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color: invalid ? INVALID_GHOST_COLOR : 0xff_ff_ff,
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emissive: invalid ? INVALID_GHOST_COLOR : 0x6c_a3_ff,
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emissiveIntensity: 0.18,
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roughness: 0.85,
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metalness: 0.05,
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transparent: true,
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opacity: invalid ? 0.4 : 0.35,
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depthWrite: false,
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side: THREE.DoubleSide,
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}),
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[invalid],
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)
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const edgesGeometry = useMemo(() => new THREE.EdgesGeometry(geometry, 25), [geometry])
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useEffect(
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() => () => {
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geometry.dispose()
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edgesGeometry.dispose()
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material.dispose()
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},
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[geometry, edgesGeometry, material],
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)
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return (
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<group rotation-y={node.rotation ?? 0}>
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<mesh
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geometry={geometry}
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material={material}
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raycast={() => {
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/* disabled — see component-level note */
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}}
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/>
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<lineSegments geometry={edgesGeometry} renderOrder={1000}>
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<lineBasicMaterial color={0x6c_a3_ff} depthTest={false} opacity={0.95} transparent />
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</lineSegments>
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</group>
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)
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}
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export default BoxVentPreview
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