feat: HVAC ductwork + DWV plumbing systems (#402)
Adds two new MEP node families (HVAC ductwork, DWV plumbing) built on a shared port-connectivity model. Co-authored by @sudhir9297.
This commit is contained in:
Sudhir Yadav
@@ -0,0 +1,989 @@
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'use client'
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import {
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type AnyNode,
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DuctSegmentNode,
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emitter,
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type GridEvent,
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getLevelHeight,
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useScene,
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} from '@pascal-app/core'
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import {
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CursorSphere,
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DimensionPill,
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EDITOR_LAYER,
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markToolCancelConsumed,
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triggerSFX,
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useEditor,
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} from '@pascal-app/editor'
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import { useViewer } from '@pascal-app/viewer'
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import { Html } from '@react-three/drei'
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import { useEffect, useRef, useState } from 'react'
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import { type Group, Matrix4, Vector3 } from 'three'
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import { getDuctFittingPorts } from '../duct-fitting/ports'
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import {
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planCrossAtRunBody,
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planElbowAtPort,
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planElbowRealign,
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planTeeAtRunBody,
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} from '../shared/auto-fitting'
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import { alignDrawPoint, clearDrawAlignment } from '../shared/draw-alignment'
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import { LevelOffsetGroup } from '../shared/level-offset-group'
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import {
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collectScenePorts,
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DUCT_PORT_SYSTEMS,
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findNearestPortXZ,
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findNearestRunBodyXZ,
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findRunBodyCrossingXZ,
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type RunBodyHit,
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type ScenePort,
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} from '../shared/ports'
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import { ductSegmentDefinition } from './definition'
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import { rectSectionAxes, rollToContinueAcrossElbow } from './geometry'
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/**
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* One-segment-at-a-time placement tool for round duct segments.
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*
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* Mouse-driven model:
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* - **First click** anchors the segment start (port snap joins onto an
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* existing run / fitting collar).
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* - **Second click** commits a two-point duct immediately and re-arms
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* the tool — no polyline accumulation, no finish gesture. Chain runs
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* by clicking again near the end you just placed (port snap).
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* - **Auto-elbow**: when either end snapped onto another RUN's open
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* port at an angle (15–90°, vertical turns included), an elbow
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* fitting is minted at the joint and the duct pulls back to its
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* outlet collar — corners get real fittings instead of butt joints.
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* - **Tee tap**: starting OR ending on the SIDE of an existing run
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* (centerline snap) splits the trunk, mints a tee at the tap point,
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* and the branch leaves square from its collar.
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* - **Cross tap**: drawing a run straight THROUGH the side of an
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* existing run (interior crossing) splits the trunk, mints a 4-way
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* cross at the crossing, and the drawn run continues out the far
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* branch — both fittings inherit the trunk's / branch's profile.
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* - The in-flight end is angle-locked to the nearest 45° step in XZ
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* from the start; Y stays at the start's height. Hold **Shift** to
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* release the lock.
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* - Hold **Alt** → vertical mode. Cursor XZ locks to the start;
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* vertical mouse motion drives Y. Click commits the riser segment.
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* - **[ / ]** step the duct diameter through nominal US sizes; the
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* ghost preview and the committed node both use it.
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* - **C** toggles ceiling-level placement: the start point lands at
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* the level's ceiling height (duct top hugging the ceiling) instead
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* of the floor. Subsequent points inherit the start's Y as usual.
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* - Esc clears an anchored start point.
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*/
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const PREVIEW_OPACITY = 0.55
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/**
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* Nominal US round-duct sizes (inches): 4"–10" in 1" steps, 12"+ in 2"
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* steps — matches what flex and rigid round actually ship in.
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*/
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const DUCT_DIAMETERS_IN = [4, 5, 6, 7, 8, 9, 10, 12, 14, 16, 18, 20] as const
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/** Snap radius (meters) for joining onto an existing duct's start/end. */
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const ENDPOINT_SNAP_RADIUS_M = 0.5
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/** Snap radius (meters) for tapping the SIDE of an existing run — a tee
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* is minted there. Tighter than the port radius so run ends keep
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* priority near their last stretch. */
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const BODY_SNAP_RADIUS_M = 0.35
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/** Angle step (radians) for the XZ angle lock — 45°. */
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const ANGLE_STEP_RAD = Math.PI / 4
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/** Mouse pixels → meters mapping for Alt-vertical drag. 100 px ≈ 1 m. */
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const ALT_PIXELS_PER_METER = 100
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/** Bounds on Alt-driven Y so a wild fling doesn't fly off. */
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const ALT_Y_MIN_M = -3
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const ALT_Y_MAX_M = 10
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function snap(value: number, step: number): number {
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if (step <= 0) return value
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return Math.round(value / step) * step
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}
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function dist2(a: readonly [number, number, number], b: readonly [number, number, number]): number {
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const dx = a[0] - b[0]
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const dy = a[1] - b[1]
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const dz = a[2] - b[2]
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return dx * dx + dy * dy + dz * dz
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}
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/**
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* Cross-section roll for a new rect run leaving `port` along `newDir`,
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* so its profile stays continuous with whatever it joined: a turn
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* re-derives the roll through the (future) elbow, a straight
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* continuation inherits the source's roll as-is. Sources: a rect run's
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* open end, or a rect fitting's open collar (continuity then comes from
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* the leg on the far side of the junction and the rect run mated
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* there). Null when the port doesn't carry a rect orientation. Shared
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* by the ghost preview and the commit so what you see is what lands.
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*/
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function continuityRollFrom(port: ScenePort | null, newDir: Vector3): number | null {
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if (!port) return null
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const nodes = useScene.getState().nodes
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const owner = nodes[port.nodeId]
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let srcDir: Vector3 | null = null
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let srcRoll = 0
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if (
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(owner?.type === 'hvac-equipment' || owner?.type === 'duct-terminal') &&
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port.shape &&
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port.shape !== 'round'
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) {
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// The collar mesh is built at the canonical `rectSectionAxes(dir, 0)`
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// basis, so it reads as a source run pointing out along the port with
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// roll 0 — the new leg rolls to continue that across its turn.
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srcDir = new Vector3(...port.direction)
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srcRoll = 0
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} else if (owner?.type === 'duct-segment' && owner.shape !== 'round') {
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srcDir = new Vector3(...port.direction)
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srcRoll = owner.roll
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} else if (
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owner?.type === 'duct-fitting' &&
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owner.shape !== 'round' &&
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owner.fittingType !== 'reducer' &&
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owner.fittingType !== 'transition'
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) {
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const source = getDuctFittingPorts(owner).find(
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(p) => p.id !== port.id && p.id !== 'branch' && p.id !== 'branch2',
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)
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if (source) {
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srcDir = new Vector3(...source.direction)
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const tol2 = 0.03 * 0.03
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for (const n of Object.values(nodes)) {
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if (n.type !== 'duct-segment' || n.shape === 'round' || n.path.length < 2) continue
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const ends = [n.path[0]!, n.path[n.path.length - 1]!]
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if (ends.some((e) => dist2(e, source.position) <= tol2)) {
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srcRoll = n.roll
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break
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}
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}
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}
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}
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if (!srcDir) return null
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const cross = new Vector3().crossVectors(srcDir, newDir)
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if (cross.lengthSq() < 1e-8) return srcRoll
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return rollToContinueAcrossElbow(srcDir, srcRoll, srcDir, newDir)
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}
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/**
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* Nearest typed port — duct run ends, fitting collars, anything whose
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* kind registers `def.ports` — within snap range of `point` on the XZ
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* plane. Y is ignored for the distance check (grid events ride the floor
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* while ports hang at duct height); the snap adopts the port's full 3D
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* position. The full port is returned so the commit knows what it joined
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* (auto-elbow insertion needs the port's direction and owner).
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*/
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function findNearbyPort(point: [number, number, number]): ScenePort | null {
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return findNearestPortXZ(
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point,
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collectScenePorts({ systems: DUCT_PORT_SYSTEMS }),
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ENDPOINT_SNAP_RADIUS_M,
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)
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}
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function portPoint(port: ScenePort): [number, number, number] {
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return [port.position[0], port.position[1], port.position[2]]
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}
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/** Cross-section the tool draws with (and commits onto the node). Oval
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* never comes from the Q toggle (round ↔ rect) — it enters by joining
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* an existing oval run / fitting collar and continuing its profile. */
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type DraftProfile = {
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shape: 'round' | 'rect' | 'oval'
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diameter: number
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width: number
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height: number
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}
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/**
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* Profile to inherit when the segment start snaps onto `port` — joining
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* means continuing that thing: a rect trunk end keeps its W×H, a round
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* run / fitting collar keeps its diameter. Equipment and terminal
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* collars are round at the port's advertised size.
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*/
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function inheritProfile(port: ScenePort): DraftProfile | null {
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const owner = useScene.getState().nodes[port.nodeId]
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if (!owner) return null
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if (owner.type === 'duct-segment' || owner.type === 'duct-fitting') {
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return {
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shape: owner.shape,
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diameter: Math.min(
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48,
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Math.max(2, owner.type === 'duct-segment' ? owner.diameter : port.diameter),
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),
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width: owner.width,
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height: owner.height,
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}
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}
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if (owner.type === 'hvac-equipment' || owner.type === 'duct-terminal') {
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const defaults = ductSegmentDefinition.defaults() as DraftProfile
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// Adopt the collar's cross-section so the run leaves a rect / oval
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// plenum as rect / oval (rolled to match in `continuityRollFrom`),
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// falling back to round at the advertised diameter.
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if (port.shape && port.shape !== 'round') {
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return {
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shape: port.shape,
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diameter: Math.min(48, Math.max(2, port.diameter)),
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width: port.width ?? defaults.width,
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height: port.height ?? defaults.height,
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}
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}
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return {
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shape: 'round',
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diameter: Math.min(48, Math.max(2, port.diameter)),
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width: defaults.width,
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height: defaults.height,
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}
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}
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return null
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}
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/**
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* Project `raw` onto the nearest of the eight 45° rays emanating from
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* `from` in the XZ plane. Y is preserved from `from`. The projection
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* keeps the cursor's *distance* along the chosen ray so the user feels
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* the segment grow with their mouse motion rather than snap to a fixed
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* length.
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*/
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function projectToAngleLock(
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from: [number, number, number],
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raw: [number, number, number],
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): [number, number, number] {
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const dx = raw[0] - from[0]
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const dz = raw[2] - from[2]
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const len = Math.hypot(dx, dz)
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if (len < 1e-4) return [from[0], from[1], from[2]]
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const theta = Math.atan2(dz, dx)
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const snapped = Math.round(theta / ANGLE_STEP_RAD) * ANGLE_STEP_RAD
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// Distance along the chosen ray = projection of raw onto that direction.
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const proj = dx * Math.cos(snapped) + dz * Math.sin(snapped)
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const d = Math.max(0, proj)
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return [from[0] + Math.cos(snapped) * d, from[1], from[2] + Math.sin(snapped) * d]
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}
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const DuctSegmentTool = () => {
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const activeLevelId = useViewer((s) => s.selection.levelId)
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const unit = useViewer((s) => s.unit)
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const cursorRef = useRef<Group>(null)
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// Cross-section profile for the next committed segment. Q toggles
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// round/rect, [ / ] steps the round diameter, and snapping the start
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// onto an existing run / fitting INHERITS that node's profile — so
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// continuing a 14×8 trunk keeps drawing 14×8, and branching off a
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// round collar keeps its diameter. Seeded from `toolDefaults`.
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const [profile, setProfile] = useState<DraftProfile>(() => {
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const defaults = ductSegmentDefinition.defaults() as DraftProfile
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const seeded = useEditor.getState().toolDefaults['duct-segment'] as
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| Partial<DraftProfile>
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| undefined
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return {
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shape: seeded?.shape ?? defaults.shape,
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diameter: seeded?.diameter ?? defaults.diameter,
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width: seeded?.width ?? defaults.width,
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height: seeded?.height ?? defaults.height,
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}
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})
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const [draftPoints, setDraftPoints] = useState<Array<[number, number, number]>>([])
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const [cursorPos, setCursorPos] = useState<[number, number, number] | null>(null)
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// Ceiling mode (toggle with C): the first point lands at the level's
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// ceiling height (duct top hugging the ceiling) instead of the floor.
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const [ceilingMode, setCeilingMode] = useState(false)
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// When the cursor is within snap range of an existing duct's endpoint we
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// surface a brighter indicator and commit at the endpoint's exact coords.
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const [snapTarget, setSnapTarget] = useState<[number, number, number] | null>(null)
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// True while Alt is held with a last point on the draft — drives the
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// vertical-cylinder ghost and the cursor HUD label.
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const [altActive, setAltActive] = useState(false)
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// Mirror into refs so emitter callbacks (closing over the first render's
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// setState) read the latest values without re-subscribing.
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const draftRef = useRef(draftPoints)
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draftRef.current = draftPoints
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const cursorPosRef = useRef(cursorPos)
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cursorPosRef.current = cursorPos
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const profileRef = useRef(profile)
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profileRef.current = profile
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const ceilingModeRef = useRef(ceilingMode)
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ceilingModeRef.current = ceilingMode
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// Port the anchored START point snapped onto (null = free placement).
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// Read at commit so a turn off an existing run mints an elbow there.
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const startPortRef = useRef<ScenePort | null>(null)
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// Centerline hit the anchored START point snapped onto (null = none).
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// Read at commit so a branch off a trunk's side mints a tee there.
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const startBodyRef = useRef<RunBodyHit | null>(null)
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// Anchor captured when Alt is pressed: screen Y at that moment and the
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// base elevation (= last point's Y). Cleared on Alt release.
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const altAnchorRef = useRef<{ clientY: number; baseY: number } | null>(null)
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// Latest mouse clientY from grid:move; used so the Alt anchor knows where
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// the cursor was at key-press time.
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const lastClientYRef = useRef<number | null>(null)
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useEffect(() => {
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if (!activeLevelId) return
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/**
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* Auto-elbow gate: only joints onto another RUN's open end get a
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* fitting minted. Ports on fittings / equipment / terminals are
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* already proper connections — a duct mates straight onto those.
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*
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* The elbow's junction sits ON the drawn corner, so the existing run
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* must trim back one leg to make room (`trim` update). Plans that
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* would trim the run to (or past) nothing are dropped — that corner
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* stays a plain butt joint. Guards against the snapped node having
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* been deleted between clicks.
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*/
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const elbowPlanFor = (port: ScenePort | null, awayDir: [number, number, number]) => {
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if (!port) return null
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const owner = useScene.getState().nodes[port.nodeId]
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if (owner?.type !== 'duct-segment') return null
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const plan = planElbowAtPort(port, awayDir, profileRef.current)
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if (!plan) return null
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// Trim the run's snapped endpoint back to the elbow's inlet collar.
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const path = owner.path.map((p) => [...p] as [number, number, number])
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const index = port.id === 'start' ? 0 : path.length - 1
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const neighbor = path[index === 0 ? 1 : index - 1]!
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const remaining = Math.hypot(
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plan.trimmedPortPoint[0] - neighbor[0],
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plan.trimmedPortPoint[1] - neighbor[1],
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plan.trimmedPortPoint[2] - neighbor[2],
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)
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// The trim must leave a real piece of the existing run AND not flip
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// it (trimmed point past the neighbor) — otherwise skip the fitting.
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const original = path[index]!
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const originalLen = Math.hypot(
|
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original[0] - neighbor[0],
|
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original[1] - neighbor[1],
|
||||
original[2] - neighbor[2],
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||||
)
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if (remaining < 0.08 || remaining >= originalLen) return null
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path[index] = plan.trimmedPortPoint
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return { ...plan, trim: { id: port.nodeId, data: { path } as Partial<AnyNode> } }
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}
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/**
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* Realign gate: the snapped port belongs to an existing ELBOW's open
|
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* collar — re-aim that elbow (junction + mated collar fixed, free
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* collar swings to the drawn direction). Null when the owner isn't
|
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* an elbow or the required turn leaves the 15–90° range.
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*/
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const realignPlanFor = (port: ScenePort | null, awayDir: [number, number, number]) => {
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if (!port) return null
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const owner = useScene.getState().nodes[port.nodeId]
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if (owner?.type !== 'duct-fitting') return null
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return planElbowRealign(owner, port.id, awayDir)
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}
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// One segment per gesture: first click anchors the start, second
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// click commits a two-point duct immediately. No selection switch —
|
||||
// the tool stays armed so the next click starts the next segment
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||||
// (port snap joins it onto the end just committed).
|
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//
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||||
// When an end of the segment snapped onto another run's open port at
|
||||
// an angle, an elbow fitting is minted at that joint and the duct is
|
||||
// pulled back to the elbow's outlet collar — corners get real
|
||||
// fittings instead of butt joints.
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const commitSegment = (
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start: [number, number, number],
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end: [number, number, number],
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endPort: ScenePort | null = null,
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endBody: RunBodyHit | null = null,
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) => {
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const length = Math.hypot(end[0] - start[0], end[1] - start[1], end[2] - start[2])
|
||||
if (length < 1e-4) return
|
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const dir: [number, number, number] = [
|
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(end[0] - start[0]) / length,
|
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(end[1] - start[1]) / length,
|
||||
(end[2] - start[2]) / length,
|
||||
]
|
||||
|
||||
const startPlan = elbowPlanFor(startPortRef.current, dir)
|
||||
const endPlan = elbowPlanFor(endPort, [-dir[0], -dir[1], -dir[2]])
|
||||
// Existing-fitting joints: re-aim the elbow whose collar was hit so
|
||||
// it faces the drawn run instead of leaving a mismatched butt joint.
|
||||
const startRealign = startPlan ? null : realignPlanFor(startPortRef.current, dir)
|
||||
const endRealign = endPlan ? null : realignPlanFor(endPort, [-dir[0], -dir[1], -dir[2]])
|
||||
// Tee tap: the start snapped onto a run's BODY (not an end port) —
|
||||
// split the trunk and branch from the tee's collar.
|
||||
const trunkBody = startPlan ? null : startBodyRef.current
|
||||
const trunkOwner = trunkBody ? useScene.getState().nodes[trunkBody.nodeId] : null
|
||||
const teePlan =
|
||||
trunkBody && trunkOwner?.type === 'duct-segment'
|
||||
? planTeeAtRunBody(trunkOwner, trunkBody, dir, profileRef.current)
|
||||
: null
|
||||
// End tee tap: the END landed on a run's BODY — split that trunk and
|
||||
// the new duct ends at the tee's branch collar. The branch leaves
|
||||
// toward the drawn run (back along -dir, since dir points start→end).
|
||||
const endTrunkBody = endPlan || endRealign ? null : endBody
|
||||
const endTrunkOwner = endTrunkBody ? useScene.getState().nodes[endTrunkBody.nodeId] : null
|
||||
const endTeePlan =
|
||||
endTrunkBody && endTrunkOwner?.type === 'duct-segment'
|
||||
? planTeeAtRunBody(
|
||||
endTrunkOwner,
|
||||
endTrunkBody,
|
||||
[-dir[0], -dir[1], -dir[2]],
|
||||
profileRef.current,
|
||||
)
|
||||
: null
|
||||
let ductStart =
|
||||
startPlan?.collarPoint ?? teePlan?.branchCollar ?? startRealign?.collarPoint ?? start
|
||||
let ductEnd =
|
||||
endPlan?.collarPoint ?? endTeePlan?.branchCollar ?? endRealign?.collarPoint ?? end
|
||||
// The collar pull-back must leave a real piece of duct between the
|
||||
// fittings; if not, fall back to the plain joint.
|
||||
const remaining = Math.hypot(
|
||||
ductEnd[0] - ductStart[0],
|
||||
ductEnd[1] - ductStart[1],
|
||||
ductEnd[2] - ductStart[2],
|
||||
)
|
||||
let plans = [startPlan, endPlan].filter((p) => p !== null)
|
||||
let tee = teePlan
|
||||
// Both ends tapping the SAME trunk would split one polyline twice in
|
||||
// a single change (conflicting updates + double tail) — drop the end
|
||||
// tee in that rare case and let the end butt-join instead.
|
||||
let endTee = endTeePlan && endTrunkBody?.nodeId === trunkBody?.nodeId ? null : endTeePlan
|
||||
if (!endTee && endTeePlan) ductEnd = endRealign?.collarPoint ?? end
|
||||
let realigns = [startRealign, endRealign].filter((p) => p !== null)
|
||||
|
||||
// Cross tap: the drawn run passes straight THROUGH a trunk's body
|
||||
// (interior crossing, not an end touch). Split that trunk and the
|
||||
// drawn duct into two halves meeting the cross's opposed branch
|
||||
// collars. Skip a run already tapped by a start / end tee so one
|
||||
// polyline isn't split twice in a single change.
|
||||
const crossHit = findRunBodyCrossingXZ(start, end, BODY_SNAP_RADIUS_M)
|
||||
const crossOwner = crossHit ? useScene.getState().nodes[crossHit.nodeId] : null
|
||||
const crossTappedElsewhere =
|
||||
crossHit?.nodeId === trunkBody?.nodeId || crossHit?.nodeId === endTrunkBody?.nodeId
|
||||
let cross =
|
||||
crossHit && !crossTappedElsewhere && crossOwner?.type === 'duct-segment'
|
||||
? planCrossAtRunBody(crossOwner, crossHit, dir, profileRef.current)
|
||||
: null
|
||||
|
||||
if (remaining <= 0.08) {
|
||||
plans = []
|
||||
tee = null
|
||||
endTee = null
|
||||
realigns = []
|
||||
cross = null
|
||||
ductStart = start
|
||||
ductEnd = end
|
||||
}
|
||||
|
||||
// Rect / oval continuity: roll the new run's cross-section so its
|
||||
// profile stays continuous with whatever either end joined — run
|
||||
// end or fitting collar, turn or straight continuation (see
|
||||
// `continuityRollFrom`). The start joint wins if both ends join.
|
||||
let roll = 0
|
||||
if (profileRef.current.shape !== 'round') {
|
||||
const newDir = new Vector3(...dir)
|
||||
roll =
|
||||
continuityRollFrom(startPortRef.current, newDir) ??
|
||||
continuityRollFrom(endPort, newDir) ??
|
||||
0
|
||||
}
|
||||
|
||||
const defaults = ductSegmentDefinition.defaults()
|
||||
const toolDefaults = useEditor.getState().toolDefaults['duct-segment'] ?? {}
|
||||
const makeDuct = (from: [number, number, number], to: [number, number, number]) =>
|
||||
DuctSegmentNode.parse({
|
||||
...defaults,
|
||||
...toolDefaults,
|
||||
name: profileRef.current.shape === 'rect' ? 'Trunk' : 'Duct run',
|
||||
path: [from, to],
|
||||
shape: profileRef.current.shape,
|
||||
diameter: profileRef.current.diameter,
|
||||
width: profileRef.current.width,
|
||||
height: profileRef.current.height,
|
||||
roll,
|
||||
})
|
||||
// A cross splits the drawn run into two halves that meet its opposed
|
||||
// branch collars; otherwise it's one duct end-to-end. Degenerate
|
||||
// halves (the crossing too near an end) are dropped.
|
||||
const ducts = cross
|
||||
? [
|
||||
dist2(ductStart, cross.branchCollarNear) > 0.08 * 0.08
|
||||
? makeDuct(ductStart, cross.branchCollarNear)
|
||||
: null,
|
||||
dist2(cross.branchCollarFar, ductEnd) > 0.08 * 0.08
|
||||
? makeDuct(cross.branchCollarFar, ductEnd)
|
||||
: null,
|
||||
].filter((d) => d !== null)
|
||||
: [makeDuct(ductStart, ductEnd)]
|
||||
// One atomic change: trim / split the joined runs, create the
|
||||
// fittings + the new duct. Single undo step.
|
||||
useScene.getState().applyNodeChanges({
|
||||
create: [
|
||||
...plans.map((plan) => ({ node: plan.fitting, parentId: activeLevelId })),
|
||||
...(tee
|
||||
? [
|
||||
{ node: tee.fitting, parentId: activeLevelId },
|
||||
{ node: tee.trunkTail, parentId: activeLevelId },
|
||||
]
|
||||
: []),
|
||||
...(endTee
|
||||
? [
|
||||
{ node: endTee.fitting, parentId: activeLevelId },
|
||||
{ node: endTee.trunkTail, parentId: activeLevelId },
|
||||
]
|
||||
: []),
|
||||
...(cross
|
||||
? [
|
||||
{ node: cross.fitting, parentId: activeLevelId },
|
||||
{ node: cross.trunkTail, parentId: activeLevelId },
|
||||
]
|
||||
: []),
|
||||
...ducts.map((node) => ({ node, parentId: activeLevelId })),
|
||||
],
|
||||
update: [
|
||||
...plans.map((plan) => plan.trim),
|
||||
...(tee ? [tee.trunkUpdate as { id: AnyNode['id']; data: Partial<AnyNode> }] : []),
|
||||
...(endTee ? [endTee.trunkUpdate as { id: AnyNode['id']; data: Partial<AnyNode> }] : []),
|
||||
...(cross ? [cross.trunkUpdate as { id: AnyNode['id']; data: Partial<AnyNode> }] : []),
|
||||
...realigns.map((plan) => plan.update as { id: AnyNode['id']; data: Partial<AnyNode> }),
|
||||
],
|
||||
})
|
||||
triggerSFX('sfx:item-place')
|
||||
setDraftPoints([])
|
||||
setSnapTarget(null)
|
||||
startPortRef.current = null
|
||||
startBodyRef.current = null
|
||||
altAnchorRef.current = null
|
||||
setAltActive(false)
|
||||
}
|
||||
|
||||
// Base Y for a fresh run's first point: floor (0) by default, or just
|
||||
// below the level's ceiling in ceiling mode so the duct's top hugs the
|
||||
// ceiling (centerline = ceiling height − radius).
|
||||
const resolveBaseY = (): number => {
|
||||
if (!ceilingModeRef.current) return 0
|
||||
const ceiling = getLevelHeight(activeLevelId, useScene.getState().nodes)
|
||||
const p = profileRef.current
|
||||
const verticalIn = p.shape === 'round' ? p.diameter : p.height
|
||||
return Math.max(0, ceiling - (verticalIn * 0.0254) / 2)
|
||||
}
|
||||
|
||||
const resolveSnappedPoint = (
|
||||
event: GridEvent,
|
||||
): {
|
||||
point: [number, number, number]
|
||||
snapped: [number, number, number] | null
|
||||
port: ScenePort | null
|
||||
body: RunBodyHit | null
|
||||
} => {
|
||||
const last = draftRef.current.at(-1)
|
||||
// First point of the run: grid-snapped placement at the base Y (floor,
|
||||
// or ceiling height in ceiling mode). Endpoint snap can still join an
|
||||
// existing run.
|
||||
if (!last) {
|
||||
const baseY = resolveBaseY()
|
||||
const raw: [number, number, number] = [
|
||||
event.localPosition[0],
|
||||
baseY,
|
||||
event.localPosition[2],
|
||||
]
|
||||
const step = useEditor.getState().gridSnapStep
|
||||
const shift = event.nativeEvent?.shiftKey === true
|
||||
if (event.nativeEvent?.altKey !== true) {
|
||||
const target = findNearbyPort(raw)
|
||||
if (target)
|
||||
return {
|
||||
point: portPoint(target),
|
||||
snapped: portPoint(target),
|
||||
port: target,
|
||||
body: null,
|
||||
}
|
||||
// No open end nearby — try the side of a run (tee tap). Probe
|
||||
// with a grid-snapped cursor so the tap steps along the duct
|
||||
// like every other placement; Shift frees it to ride smoothly.
|
||||
const probe: [number, number, number] = shift
|
||||
? raw
|
||||
: [snap(raw[0], step), baseY, snap(raw[2], step)]
|
||||
const body = findNearestRunBodyXZ(probe, BODY_SNAP_RADIUS_M)
|
||||
if (body) return { point: body.point, snapped: body.point, port: null, body }
|
||||
}
|
||||
return {
|
||||
point: [snap(raw[0], step), baseY, snap(raw[2], step)],
|
||||
snapped: null,
|
||||
port: null,
|
||||
body: null,
|
||||
}
|
||||
}
|
||||
// Subsequent points: angle-locked to 45° from `last` (Shift releases).
|
||||
// Y stays at `last[1]` — depth changes come from Shift+click risers.
|
||||
const rawXZ: [number, number, number] = [
|
||||
event.localPosition[0],
|
||||
last[1],
|
||||
event.localPosition[2],
|
||||
]
|
||||
const shift = event.nativeEvent?.shiftKey === true
|
||||
const angled = shift ? rawXZ : projectToAngleLock(last, rawXZ)
|
||||
const step = useEditor.getState().gridSnapStep
|
||||
// Port snap (Alt bypass) — checked against the RAW cursor, not the
|
||||
// angle-locked projection, so a port slightly off the 45° ray can
|
||||
// still capture the cursor. Joining beats the lock.
|
||||
if (event.nativeEvent?.altKey !== true && !shift) {
|
||||
const target = findNearbyPort(rawXZ)
|
||||
if (target)
|
||||
return { point: portPoint(target), snapped: portPoint(target), port: target, body: null }
|
||||
// No open end nearby — landing on the side of a run taps a tee
|
||||
// there (mirror of the first-point tee tap). Probe with a
|
||||
// grid-snapped cursor so the tap steps along the duct instead of
|
||||
// sliding smoothly (Shift above frees it). Checked against the
|
||||
// cursor, not the 45° projection, so a slightly-off trunk captures.
|
||||
const probe: [number, number, number] = [
|
||||
snap(rawXZ[0], step),
|
||||
rawXZ[1],
|
||||
snap(rawXZ[2], step),
|
||||
]
|
||||
const body = findNearestRunBodyXZ(probe, BODY_SNAP_RADIUS_M)
|
||||
if (body) return { point: body.point, snapped: body.point, port: null, body }
|
||||
}
|
||||
return {
|
||||
point: [snap(angled[0], step), angled[1], snap(angled[2], step)],
|
||||
snapped: null,
|
||||
port: null,
|
||||
body: null,
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Compute the Alt-mode cursor position: XZ locked to the last point,
|
||||
* Y driven by how far the mouse has moved vertically on screen since
|
||||
* Alt was pressed. Returns null if there's no anchor (Alt not active).
|
||||
*/
|
||||
const resolveAltVerticalPoint = (clientY: number): [number, number, number] | null => {
|
||||
const anchor = altAnchorRef.current
|
||||
const last = draftRef.current.at(-1)
|
||||
if (!anchor || !last) return null
|
||||
const step = useEditor.getState().gridSnapStep
|
||||
// Screen +Y points down, so subtract to map "drag up = raise Y".
|
||||
const dy = (anchor.clientY - clientY) / ALT_PIXELS_PER_METER
|
||||
const snappedDy = snap(dy, step)
|
||||
const y = Math.min(ALT_Y_MAX_M, Math.max(ALT_Y_MIN_M, anchor.baseY + snappedDy))
|
||||
return [last[0], y, last[2]]
|
||||
}
|
||||
|
||||
// Resolve the cursor point (port / body / grid / angle snap) and then
|
||||
// layer Figma-style alignment on top so a run lines up with other runs,
|
||||
// fittings, and items as it's drawn. Snap is applied for a free point
|
||||
// (first vertex, or Shift free-angle); an angle-locked continuation shows
|
||||
// the guide passively without leaving its 45° ray. A port / body snap or
|
||||
// Alt bypasses alignment entirely.
|
||||
const resolveAlignedPoint = (event: GridEvent) => {
|
||||
const r = resolveSnappedPoint(event)
|
||||
const hasStart = draftRef.current.length > 0
|
||||
const shift = event.nativeEvent?.shiftKey === true
|
||||
const alt = event.nativeEvent?.altKey === true
|
||||
const point = alignDrawPoint(r.point, {
|
||||
applySnap: !hasStart || shift,
|
||||
bypass: alt || r.snapped !== null,
|
||||
})
|
||||
return { ...r, point }
|
||||
}
|
||||
|
||||
const onMove = (event: GridEvent) => {
|
||||
const clientY = (event.nativeEvent as { clientY?: number } | undefined)?.clientY
|
||||
if (typeof clientY === 'number') lastClientYRef.current = clientY
|
||||
// Alt vertical mode wins over the XZ logic.
|
||||
if (altAnchorRef.current && typeof clientY === 'number') {
|
||||
const point = resolveAltVerticalPoint(clientY)
|
||||
if (point) {
|
||||
clearDrawAlignment()
|
||||
setCursorPos(point)
|
||||
setSnapTarget(null)
|
||||
return
|
||||
}
|
||||
}
|
||||
const { point, snapped } = resolveAlignedPoint(event)
|
||||
setCursorPos(point)
|
||||
setSnapTarget(snapped)
|
||||
}
|
||||
|
||||
const onClick = (event: GridEvent) => {
|
||||
const start = draftRef.current.at(-1)
|
||||
// Vertical mode with a start anchored: the click commits the riser
|
||||
// segment right there. Never falls through to the XZ logic — a
|
||||
// no-op Alt click (height unchanged) must not place anything.
|
||||
if (altAnchorRef.current && start) {
|
||||
const clientY =
|
||||
(event.nativeEvent as { clientY?: number } | undefined)?.clientY ?? lastClientYRef.current
|
||||
if (typeof clientY === 'number') {
|
||||
const point = resolveAltVerticalPoint(clientY)
|
||||
if (point && Math.abs(point[1] - start[1]) >= 1e-4) {
|
||||
commitSegment(start, point)
|
||||
}
|
||||
}
|
||||
return
|
||||
}
|
||||
const { point, port, body } = resolveAlignedPoint(event)
|
||||
if (!start) {
|
||||
// First click: anchor the segment start, remembering the port or
|
||||
// run body it snapped to so the commit can mint an elbow / tee.
|
||||
// Joining a port INHERITS the source's cross-section — continuing
|
||||
// a rect trunk keeps drawing rect at its W×H, a round collar its
|
||||
// diameter. Body taps (tee branches) keep the tool's own profile.
|
||||
triggerSFX('sfx:grid-snap')
|
||||
startPortRef.current = port
|
||||
startBodyRef.current = port ? null : body
|
||||
if (port) {
|
||||
const inherited = inheritProfile(port)
|
||||
if (inherited) setProfile(inherited)
|
||||
}
|
||||
setDraftPoints([point])
|
||||
return
|
||||
}
|
||||
// Second click: commit the segment and re-arm. A body hit on the end
|
||||
// (no end port) taps a tee into that run's side.
|
||||
commitSegment(start, point, port, port ? null : body)
|
||||
}
|
||||
|
||||
const enterAltMode = () => {
|
||||
const last = draftRef.current.at(-1)
|
||||
if (!last || lastClientYRef.current === null) return
|
||||
if (altAnchorRef.current) return
|
||||
altAnchorRef.current = { clientY: lastClientYRef.current, baseY: last[1] }
|
||||
setAltActive(true)
|
||||
}
|
||||
|
||||
const exitAltMode = () => {
|
||||
if (!altAnchorRef.current) return
|
||||
altAnchorRef.current = null
|
||||
setAltActive(false)
|
||||
}
|
||||
|
||||
const stepDiameter = (step: 1 | -1) => {
|
||||
const sizes = DUCT_DIAMETERS_IN
|
||||
const current = profileRef.current.diameter
|
||||
// Nearest catalogue index, then step — handles seeded off-catalogue
|
||||
// values (e.g. a preset's 7.5") gracefully.
|
||||
let nearest = 0
|
||||
for (let i = 1; i < sizes.length; i++) {
|
||||
if (Math.abs(sizes[i]! - current) < Math.abs(sizes[nearest]! - current)) nearest = i
|
||||
}
|
||||
const next = sizes[Math.min(sizes.length - 1, Math.max(0, nearest + step))]!
|
||||
if (next === current) return
|
||||
setProfile((p) => ({ ...p, diameter: next }))
|
||||
triggerSFX('sfx:grid-snap')
|
||||
}
|
||||
|
||||
const onKeyDown = (e: KeyboardEvent) => {
|
||||
const tag = (e.target as HTMLElement | null)?.tagName
|
||||
if (tag === 'INPUT' || tag === 'TEXTAREA') return
|
||||
if (e.key === 'Alt') {
|
||||
e.preventDefault()
|
||||
enterAltMode()
|
||||
} else if (e.key === '[') {
|
||||
e.preventDefault()
|
||||
stepDiameter(-1)
|
||||
} else if (e.key === ']') {
|
||||
e.preventDefault()
|
||||
stepDiameter(1)
|
||||
} else if (e.key === 'q' || e.key === 'Q') {
|
||||
e.preventDefault()
|
||||
setProfile((p) => ({ ...p, shape: p.shape === 'round' ? 'rect' : 'round' }))
|
||||
triggerSFX('sfx:grid-snap')
|
||||
} else if (e.key === 'c' || e.key === 'C') {
|
||||
// Toggle ceiling mode. Only the first point reads the base Y, so
|
||||
// toggling mid-run is a no-op until the next fresh segment — flip
|
||||
// it only while unanchored to keep the behaviour predictable.
|
||||
if (draftRef.current.length > 0) return
|
||||
e.preventDefault()
|
||||
setCeilingMode((m) => !m)
|
||||
triggerSFX('sfx:grid-snap')
|
||||
}
|
||||
}
|
||||
|
||||
const onKeyUp = (e: KeyboardEvent) => {
|
||||
if (e.key === 'Alt') {
|
||||
e.preventDefault()
|
||||
exitAltMode()
|
||||
}
|
||||
}
|
||||
|
||||
const onCancel = () => {
|
||||
clearDrawAlignment()
|
||||
if (draftRef.current.length === 0) return
|
||||
markToolCancelConsumed()
|
||||
setDraftPoints([])
|
||||
setCursorPos(null)
|
||||
setSnapTarget(null)
|
||||
startPortRef.current = null
|
||||
startBodyRef.current = null
|
||||
}
|
||||
|
||||
emitter.on('grid:move', onMove)
|
||||
emitter.on('grid:click', onClick)
|
||||
emitter.on('tool:cancel', onCancel)
|
||||
window.addEventListener('keydown', onKeyDown)
|
||||
window.addEventListener('keyup', onKeyUp)
|
||||
return () => {
|
||||
emitter.off('grid:move', onMove)
|
||||
emitter.off('grid:click', onClick)
|
||||
emitter.off('tool:cancel', onCancel)
|
||||
window.removeEventListener('keydown', onKeyDown)
|
||||
window.removeEventListener('keyup', onKeyUp)
|
||||
altAnchorRef.current = null
|
||||
clearDrawAlignment()
|
||||
}
|
||||
}, [activeLevelId])
|
||||
|
||||
if (!activeLevelId) return null
|
||||
|
||||
const previewSegments: Array<{ a: [number, number, number]; b: [number, number, number] }> = []
|
||||
for (let i = 0; i < draftPoints.length - 1; i++) {
|
||||
previewSegments.push({ a: draftPoints[i]!, b: draftPoints[i + 1]! })
|
||||
}
|
||||
const last = draftPoints.at(-1)
|
||||
if (last && cursorPos) {
|
||||
previewSegments.push({ a: last, b: cursorPos })
|
||||
}
|
||||
|
||||
// Wall-style dimension pill above the cursor: absolute world coords before
|
||||
// the first point, signed per-axis deltas from the last placed point while
|
||||
// a segment is in flight. The actively-driven axis is emphasised — Y in
|
||||
// Alt-vertical mode, otherwise whichever horizontal axis dominates. A
|
||||
// trailing Ø readout shows the diameter the next click commits ([ / ]).
|
||||
const pillParts = cursorPos
|
||||
? [
|
||||
...(['x', 'y', 'z'] as const).map((axis, i) => ({
|
||||
key: axis,
|
||||
prefix: axis.toUpperCase(),
|
||||
value: last ? cursorPos[i]! - last[i]! : cursorPos[i]!,
|
||||
signed: !!last,
|
||||
})),
|
||||
...(profile.shape === 'round'
|
||||
? [{ key: 'diameter', prefix: 'Ø', value: profile.diameter * 0.0254, signed: false }]
|
||||
: [
|
||||
{ key: 'trunk-w', prefix: 'W', value: profile.width * 0.0254, signed: false },
|
||||
{ key: 'trunk-h', prefix: 'H', value: profile.height * 0.0254, signed: false },
|
||||
]),
|
||||
]
|
||||
: null
|
||||
const pillPrimary =
|
||||
last && cursorPos
|
||||
? altActive
|
||||
? 'y'
|
||||
: Math.abs(cursorPos[0] - last[0]) >= Math.abs(cursorPos[2] - last[2])
|
||||
? 'x'
|
||||
: 'z'
|
||||
: undefined
|
||||
|
||||
return (
|
||||
<LevelOffsetGroup>
|
||||
{/* Cursor marker — the same ground ring + vertical line + tool-icon
|
||||
badge walls and items show while drawing (icon resolved from the
|
||||
active `duct-segment` structure-tools entry). The dimension pill
|
||||
rides just above the cursor. */}
|
||||
{cursorPos && (
|
||||
<>
|
||||
<CursorSphere position={cursorPos} ref={cursorRef} />
|
||||
{pillParts && (
|
||||
<group position={cursorPos}>
|
||||
<Html
|
||||
center
|
||||
position={[0, 0.35, 0]}
|
||||
style={{ pointerEvents: 'none', userSelect: 'none' }}
|
||||
zIndexRange={[100, 0]}
|
||||
>
|
||||
<div className="flex flex-col items-center gap-1">
|
||||
<DimensionPill parts={pillParts} primary={pillPrimary} unit={unit} />
|
||||
{ceilingMode && !last && (
|
||||
<div className="whitespace-nowrap rounded-full border border-border/60 bg-background/90 px-3 py-0.5 text-[10px] text-muted-foreground shadow-sm backdrop-blur">
|
||||
Ceiling · C to toggle
|
||||
</div>
|
||||
)}
|
||||
</div>
|
||||
</Html>
|
||||
</group>
|
||||
)}
|
||||
</>
|
||||
)}
|
||||
{/* Endpoint-snap halo — brighter ring around the target endpoint
|
||||
while the cursor is within snap range, so the user sees that the
|
||||
next click will join an existing duct rather than freeform-place. */}
|
||||
{snapTarget && (
|
||||
<mesh layers={EDITOR_LAYER} position={snapTarget}>
|
||||
<sphereGeometry args={[0.12, 24, 16]} />
|
||||
<meshBasicMaterial color="#818cf8" depthTest={false} opacity={0.35} transparent />
|
||||
</mesh>
|
||||
)}
|
||||
{/* Committed point pips */}
|
||||
{draftPoints.map((p, i) => (
|
||||
<mesh key={`pt-${i}`} layers={EDITOR_LAYER} position={p}>
|
||||
<sphereGeometry args={[0.07, 16, 12]} />
|
||||
<meshBasicMaterial color="#818cf8" depthTest={false} />
|
||||
</mesh>
|
||||
))}
|
||||
{/* Preview sections */}
|
||||
{previewSegments.map((seg, i) => (
|
||||
<PreviewSegment
|
||||
a={seg.a}
|
||||
b={seg.b}
|
||||
key={`seg-${i}`}
|
||||
profile={profile}
|
||||
startPort={startPortRef.current}
|
||||
/>
|
||||
))}
|
||||
</LevelOffsetGroup>
|
||||
)
|
||||
}
|
||||
|
||||
function PreviewSegment({
|
||||
a,
|
||||
b,
|
||||
profile,
|
||||
startPort,
|
||||
}: {
|
||||
a: [number, number, number]
|
||||
b: [number, number, number]
|
||||
profile: DraftProfile
|
||||
startPort: ScenePort | null
|
||||
}) {
|
||||
const start = new Vector3(...a)
|
||||
const end = new Vector3(...b)
|
||||
const dir = new Vector3().subVectors(end, start)
|
||||
const length = dir.length()
|
||||
if (length < 1e-4) return null
|
||||
dir.normalize()
|
||||
const mid = new Vector3().addVectors(start, end).multiplyScalar(0.5)
|
||||
|
||||
// Rect AND oval ghost as a box — close enough for a translucent guide.
|
||||
if (profile.shape !== 'round') {
|
||||
const w = profile.width * 0.0254
|
||||
const h = profile.height * 0.0254
|
||||
return (
|
||||
<mesh
|
||||
layers={EDITOR_LAYER}
|
||||
position={mid.toArray()}
|
||||
ref={(m) => {
|
||||
if (!m) return
|
||||
// Same basis AND roll as the commit will use, so the ghost
|
||||
// shows the orientation that actually lands.
|
||||
const roll = continuityRollFrom(startPort, dir) ?? 0
|
||||
const { width: x, height: z } = rectSectionAxes(dir, roll)
|
||||
m.quaternion.setFromRotationMatrix(new Matrix4().makeBasis(x, dir, z))
|
||||
}}
|
||||
>
|
||||
<boxGeometry args={[w, length, h]} />
|
||||
<meshBasicMaterial
|
||||
color="#818cf8"
|
||||
depthTest={false}
|
||||
opacity={PREVIEW_OPACITY}
|
||||
transparent
|
||||
/>
|
||||
</mesh>
|
||||
)
|
||||
}
|
||||
|
||||
const radius = (profile.diameter * 0.0254) / 2
|
||||
return (
|
||||
<mesh
|
||||
layers={EDITOR_LAYER}
|
||||
position={mid.toArray()}
|
||||
ref={(m) => {
|
||||
if (!m) return
|
||||
m.quaternion.setFromUnitVectors(new Vector3(0, 1, 0), dir)
|
||||
}}
|
||||
>
|
||||
<cylinderGeometry args={[radius, radius, length, 24, 1, false]} />
|
||||
<meshBasicMaterial color="#818cf8" depthTest={false} opacity={PREVIEW_OPACITY} transparent />
|
||||
</mesh>
|
||||
)
|
||||
}
|
||||
|
||||
export default DuctSegmentTool
|
||||
Reference in New Issue
Block a user