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 +1,545 @@
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'use client'
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import {
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type AnyNodeId,
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emitter,
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type GridEvent,
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type LinesetNode,
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LiquidLineNode,
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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, Vector3 } from 'three'
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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 { offsetPathHorizontal } from '../shared/path-offset'
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import { collectScenePorts, findNearestPortXZ, REFRIGERANT_PORT_SYSTEMS } from '../shared/ports'
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import { planLiquidLineConnect } from './connect'
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import { liquidLineDefinition } from './definition'
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import { useLiquidLineToolOptions } from './options'
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/**
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* One-segment-at-a-time placement tool for standalone liquid lines — the same
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* draw model as the lineset tool (the line it used to be a rail of):
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* - **First click** anchors the run start; within range of a refrigerant
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* service port it snaps onto it so a run mates flush.
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* - **Second click** commits a two-point line and re-arms; the in-flight end
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* is angle-locked to 45° (Shift frees it), Alt drags it vertical.
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*
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* **Follow mode** (toggled by the MEP panel's Follow button or the `F` key):
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* instead of free-drawing, hover an existing lineset and click — a liquid line
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* is laid beside it, tracing the lineset's whole path at a fixed offset on the
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* side the cursor is on. This is the "place it exactly next to this" affordance.
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*/
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const PREVIEW_OPACITY = 0.6
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const PREVIEW_COLOR = '#b06b3f'
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/** Snap radius (meters) for joining onto a refrigerant port. */
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const ENDPOINT_SNAP_RADIUS_M = 0.5
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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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const ALT_Y_MIN_M = -3
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const ALT_Y_MAX_M = 10
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const IN_TO_M = 0.0254
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/** Default liquid OD (~3/8") — the ghost radius and trace-line size. */
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const DEFAULT_DIAMETER_IN = 0.375
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const GHOST_RADIUS_M = (DEFAULT_DIAMETER_IN * IN_TO_M) / 2
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/** Matches the lineset's foam-jacket thickness so the traced line sits just
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* outside an insulated suction line, exactly where the old paired rail was. */
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const INSULATION_THICKNESS_M = 0.01
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/** How close (meters, XZ) the cursor must be to a lineset path to trace it. */
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const FOLLOW_PICK_RADIUS_M = 0.6
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/** Clear-air gap (meters) between the lineset's outer surface and the traced
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* liquid line, so the new run reads as its own line instead of fusing onto
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* the lineset (~2"). */
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const FOLLOW_GAP_M = 0.05
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type Vec3 = [number, number, number]
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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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/** Nearest refrigerant port within snap range on the XZ plane, as a position
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* tuple. Y is ignored for the distance check; the snap adopts the port's full
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* 3D position. */
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function findNearbyPort(point: Vec3): Vec3 | null {
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const port = findNearestPortXZ(
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point,
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collectScenePorts({ systems: REFRIGERANT_PORT_SYSTEMS }),
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ENDPOINT_SNAP_RADIUS_M,
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)
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return port ? [port.position[0], port.position[1], port.position[2]] : null
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}
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function projectToAngleLock(from: Vec3, raw: Vec3): Vec3 {
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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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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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/** Distance (XZ) from point `p` to segment `a`→`b`. */
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function distToSegmentXZ(p: Vec3, a: Vec3, b: Vec3): number {
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const dx = b[0] - a[0]
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const dz = b[2] - a[2]
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const len2 = dx * dx + dz * dz
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let t = len2 > 0 ? ((p[0] - a[0]) * dx + (p[2] - a[2]) * dz) / len2 : 0
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t = Math.max(0, Math.min(1, t))
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const cx = a[0] + t * dx
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const cz = a[2] + t * dz
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return Math.hypot(p[0] - cx, p[2] - cz)
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}
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/** Center-to-center offset (meters) that drops the liquid line a small gap
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* outside the lineset's outer surface, so the two read as separate lines. */
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function traceOffsetMeters(lineset: LinesetNode): number {
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const suctionR = (lineset.suctionDiameter * IN_TO_M) / 2
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const jacket = lineset.insulated ? INSULATION_THICKNESS_M : 0
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return suctionR + jacket + FOLLOW_GAP_M + GHOST_RADIUS_M
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}
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type FollowTarget = { lineset: LinesetNode; sign: number }
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/**
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* Nearest lineset whose path passes within `FOLLOW_PICK_RADIUS_M` of the
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* cursor, plus which side of it the cursor is on (`sign`, matching
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* `offsetPathHorizontal`'s side convention). Restricted to the active level.
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*/
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function findFollowTarget(point: Vec3, levelId: AnyNodeId): FollowTarget | null {
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const scene = useScene.getState()
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let best: FollowTarget | null = null
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let bestD = FOLLOW_PICK_RADIUS_M
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for (const n of Object.values(scene.nodes)) {
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if (!n || n.type !== 'lineset') continue
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if ((n.parentId as AnyNodeId | null) !== levelId) continue
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const ls = n as LinesetNode
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if (ls.path.length < 2) continue
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for (let i = 0; i < ls.path.length - 1; i++) {
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const a = ls.path[i] as Vec3
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const b = ls.path[i + 1] as Vec3
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const d = distToSegmentXZ(point, a, b)
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if (d >= bestD) continue
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bestD = d
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// Side vector = normalize(heading_xz) × UP = (-hz, 0, hx); sign is which
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// side of the segment the cursor sits on.
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const hx = b[0] - a[0]
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const hz = b[2] - a[2]
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const hlen = Math.hypot(hx, hz)
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const sx = hlen > 1e-9 ? -hz / hlen : 0
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const sz = hlen > 1e-9 ? hx / hlen : 0
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const dot = (point[0] - a[0]) * sx + (point[2] - a[2]) * sz
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best = { lineset: ls, sign: dot >= 0 ? 1 : -1 }
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}
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}
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return best
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}
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/** The offset path a follow-target would trace, or null if degenerate. */
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function tracePath(target: FollowTarget): Vec3[] | null {
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const offset = target.sign * traceOffsetMeters(target.lineset)
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const traced = offsetPathHorizontal(target.lineset.path as Vec3[], offset)
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return traced.length >= 2 ? traced : null
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}
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const LiquidLineTool = () => {
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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 follow = useLiquidLineToolOptions((s) => s.follow)
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const cursorRef = useRef<Group>(null)
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const [draftPoints, setDraftPoints] = useState<Vec3[]>([])
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const [cursorPos, setCursorPos] = useState<Vec3 | null>(null)
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const [snapTarget, setSnapTarget] = useState<Vec3 | null>(null)
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const [traceGhost, setTraceGhost] = useState<Vec3[] | null>(null)
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const [altActive, setAltActive] = useState(false)
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const draftRef = useRef(draftPoints)
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draftRef.current = draftPoints
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const followTargetRef = useRef<FollowTarget | null>(null)
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const altAnchorRef = useRef<{ clientY: number; baseY: number } | null>(null)
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const lastClientYRef = useRef<number | null>(null)
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// Clear in-flight draft / trace whenever Follow toggles (panel button or F).
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// biome-ignore lint/correctness/useExhaustiveDependencies: `follow` is an intentional re-run trigger; the body clears the in-flight draft when it toggles.
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useEffect(() => {
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setDraftPoints([])
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setTraceGhost(null)
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followTargetRef.current = null
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altAnchorRef.current = null
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setAltActive(false)
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}, [follow])
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// Leaving the tool clears Follow so re-arming it starts in free-draw.
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useEffect(() => () => useLiquidLineToolOptions.getState().setFollow(false), [])
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useEffect(() => {
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if (!activeLevelId) return
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const commitSegment = (start: Vec3, end: Vec3) => {
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const sameSpot =
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Math.abs(start[0] - end[0]) < 1e-4 &&
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Math.abs(start[1] - end[1]) < 1e-4 &&
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Math.abs(start[2] - end[2]) < 1e-4
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if (sameSpot) return
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// Fold into any existing run that shares this segment's endpoint, so two
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// runs meeting at a coordinate become one mitered path instead of
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// overlapping nodes. Only same-level runs are candidates.
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const scene = useScene.getState()
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const existing = Object.values(scene.nodes).filter(
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(n): n is LiquidLineNode =>
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n?.type === 'liquid-line' && (n.parentId as AnyNodeId | null) === activeLevelId,
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)
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const plan = planLiquidLineConnect(existing, start, end)
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if (plan.kind === 'create') {
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const line = LiquidLineNode.parse({
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...liquidLineDefinition.defaults(),
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name: 'Liquid Line',
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path: plan.path,
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})
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scene.createNode(line, activeLevelId)
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} else if (plan.kind === 'extend') {
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scene.updateNode(plan.id, { path: plan.path })
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} else {
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scene.updateNode(plan.id, { path: plan.path })
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scene.deleteNode(plan.deleteId)
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}
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triggerSFX('sfx:item-place')
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setDraftPoints([])
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setSnapTarget(null)
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altAnchorRef.current = null
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setAltActive(false)
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}
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// Lay a liquid line beside a lineset, tracing its whole path at the offset.
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const commitTrace = (target: FollowTarget) => {
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const traced = tracePath(target)
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if (!traced) return
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const scene = useScene.getState()
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const line = LiquidLineNode.parse({
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...liquidLineDefinition.defaults(),
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name: 'Liquid Line',
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path: traced,
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})
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scene.createNode(line, activeLevelId)
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triggerSFX('sfx:item-place')
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setTraceGhost(null)
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followTargetRef.current = null
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}
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const resolveSnappedPoint = (event: GridEvent): { point: Vec3; snapped: Vec3 | null } => {
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const last = draftRef.current.at(-1)
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if (!last) {
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const raw: Vec3 = [event.localPosition[0], 0, event.localPosition[2]]
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if (event.nativeEvent?.altKey !== true) {
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const target = findNearbyPort(raw)
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if (target) return { point: target, snapped: target }
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}
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const step = useEditor.getState().gridSnapStep
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return { point: [snap(raw[0], step), 0, snap(raw[2], step)], snapped: null }
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}
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const rawXZ: Vec3 = [event.localPosition[0], last[1], event.localPosition[2]]
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const shift = event.nativeEvent?.shiftKey === true
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const angled = shift ? rawXZ : projectToAngleLock(last, rawXZ)
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if (event.nativeEvent?.altKey !== true && !shift) {
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const target = findNearbyPort(rawXZ)
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if (target) return { point: target, snapped: target }
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}
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const step = useEditor.getState().gridSnapStep
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return { point: [snap(angled[0], step), angled[1], snap(angled[2], step)], snapped: null }
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}
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const resolveAltVerticalPoint = (clientY: number): Vec3 | null => {
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const anchor = altAnchorRef.current
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const last = draftRef.current.at(-1)
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if (!anchor || !last) return null
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const step = useEditor.getState().gridSnapStep
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const dy = (anchor.clientY - clientY) / ALT_PIXELS_PER_METER
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const snappedDy = snap(dy, step)
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const y = Math.min(ALT_Y_MAX_M, Math.max(ALT_Y_MIN_M, anchor.baseY + snappedDy))
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return [last[0], y, last[2]]
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}
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const resolveAlignedPoint = (event: GridEvent) => {
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const r = resolveSnappedPoint(event)
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const hasStart = draftRef.current.length > 0
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const shift = event.nativeEvent?.shiftKey === true
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const alt = event.nativeEvent?.altKey === true
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const point = alignDrawPoint(r.point, {
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applySnap: !hasStart || shift,
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bypass: alt || r.snapped !== null,
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})
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return { ...r, point }
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}
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const onMove = (event: GridEvent) => {
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// Follow mode: track the lineset under the cursor and preview its trace.
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if (useLiquidLineToolOptions.getState().follow) {
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const raw: Vec3 = [event.localPosition[0], 0, event.localPosition[2]]
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clearDrawAlignment()
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setCursorPos(raw)
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setSnapTarget(null)
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const target = findFollowTarget(raw, activeLevelId as AnyNodeId)
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followTargetRef.current = target
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setTraceGhost(target ? tracePath(target) : null)
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return
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}
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const clientY = (event.nativeEvent as { clientY?: number } | undefined)?.clientY
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if (typeof clientY === 'number') lastClientYRef.current = clientY
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if (altAnchorRef.current && typeof clientY === 'number') {
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const point = resolveAltVerticalPoint(clientY)
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if (point) {
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clearDrawAlignment()
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setCursorPos(point)
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setSnapTarget(null)
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return
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}
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}
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const { point, snapped } = resolveAlignedPoint(event)
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setCursorPos(point)
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setSnapTarget(snapped)
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}
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const onClick = (event: GridEvent) => {
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// Follow mode: a click commits the trace beside the hovered lineset.
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if (useLiquidLineToolOptions.getState().follow) {
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const target = followTargetRef.current
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if (target) commitTrace(target)
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return
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}
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const start = draftRef.current.at(-1)
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if (altAnchorRef.current && start) {
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const clientY =
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(event.nativeEvent as { clientY?: number } | undefined)?.clientY ?? lastClientYRef.current
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if (typeof clientY === 'number') {
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const point = resolveAltVerticalPoint(clientY)
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if (point && Math.abs(point[1] - start[1]) >= 1e-4) {
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commitSegment(start, point)
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}
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}
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return
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}
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const { point } = resolveAlignedPoint(event)
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if (!start) {
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triggerSFX('sfx:grid-snap')
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setDraftPoints([point])
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return
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}
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commitSegment(start, point)
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}
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const enterAltMode = () => {
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if (useLiquidLineToolOptions.getState().follow) return
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const last = draftRef.current.at(-1)
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if (!last || lastClientYRef.current === null) return
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if (altAnchorRef.current) return
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altAnchorRef.current = { clientY: lastClientYRef.current, baseY: last[1] }
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setAltActive(true)
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}
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const exitAltMode = () => {
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if (!altAnchorRef.current) return
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altAnchorRef.current = null
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setAltActive(false)
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}
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const onKeyDown = (e: KeyboardEvent) => {
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const tag = (e.target as HTMLElement | null)?.tagName
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if (tag === 'INPUT' || tag === 'TEXTAREA') return
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if (e.key === 'f' || e.key === 'F') {
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e.preventDefault()
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useLiquidLineToolOptions.getState().toggleFollow()
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return
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}
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if (e.key === 'Alt') {
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e.preventDefault()
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enterAltMode()
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}
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}
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const onKeyUp = (e: KeyboardEvent) => {
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||||
if (e.key === 'Alt') {
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e.preventDefault()
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exitAltMode()
|
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}
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}
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const onCancel = () => {
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clearDrawAlignment()
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if (draftRef.current.length === 0 && !followTargetRef.current) return
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markToolCancelConsumed()
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setDraftPoints([])
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setCursorPos(null)
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setSnapTarget(null)
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setTraceGhost(null)
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followTargetRef.current = null
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}
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emitter.on('grid:move', onMove)
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emitter.on('grid:click', onClick)
|
||||
emitter.on('tool:cancel', onCancel)
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window.addEventListener('keydown', onKeyDown)
|
||||
window.addEventListener('keyup', onKeyUp)
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return () => {
|
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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])
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||||
|
||||
if (!activeLevelId) return null
|
||||
|
||||
const previewSegments: Array<{ a: Vec3; b: Vec3 }> = []
|
||||
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 })
|
||||
}
|
||||
|
||||
const traceSegments: Array<{ a: Vec3; b: Vec3 }> = []
|
||||
if (traceGhost) {
|
||||
for (let i = 0; i < traceGhost.length - 1; i++) {
|
||||
traceSegments.push({ a: traceGhost[i]!, b: traceGhost[i + 1]! })
|
||||
}
|
||||
}
|
||||
|
||||
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,
|
||||
}))
|
||||
: null
|
||||
const pillPrimary =
|
||||
last && cursorPos
|
||||
? altActive
|
||||
? 'y'
|
||||
: Math.abs(cursorPos[0] - last[0]) >= Math.abs(cursorPos[2] - last[2])
|
||||
? 'x'
|
||||
: 'z'
|
||||
: undefined
|
||||
|
||||
return (
|
||||
<LevelOffsetGroup>
|
||||
{cursorPos && (
|
||||
<>
|
||||
<CursorSphere color={PREVIEW_COLOR} position={cursorPos} ref={cursorRef} />
|
||||
{follow ? (
|
||||
<group position={cursorPos}>
|
||||
<Html
|
||||
center
|
||||
position={[0, 0.45, 0]}
|
||||
style={{ pointerEvents: 'none', userSelect: 'none' }}
|
||||
zIndexRange={[100, 0]}
|
||||
>
|
||||
<div
|
||||
style={{
|
||||
background: 'rgba(17,17,20,0.85)',
|
||||
border: '1px solid rgba(176,107,63,0.6)',
|
||||
borderRadius: 6,
|
||||
color: '#f3e7dd',
|
||||
fontSize: 11,
|
||||
padding: '3px 7px',
|
||||
whiteSpace: 'nowrap',
|
||||
}}
|
||||
>
|
||||
{followTargetRef.current
|
||||
? 'Click to trace this lineset'
|
||||
: 'Follow: hover a lineset'}
|
||||
</div>
|
||||
</Html>
|
||||
</group>
|
||||
) : (
|
||||
pillParts && (
|
||||
<group position={cursorPos}>
|
||||
<Html
|
||||
center
|
||||
position={[0, 0.35, 0]}
|
||||
style={{ pointerEvents: 'none', userSelect: 'none' }}
|
||||
zIndexRange={[100, 0]}
|
||||
>
|
||||
<DimensionPill parts={pillParts} primary={pillPrimary} unit={unit} />
|
||||
</Html>
|
||||
</group>
|
||||
)
|
||||
)}
|
||||
</>
|
||||
)}
|
||||
{snapTarget && (
|
||||
<mesh layers={EDITOR_LAYER} position={snapTarget}>
|
||||
<sphereGeometry args={[0.1, 24, 16]} />
|
||||
<meshBasicMaterial color={PREVIEW_COLOR} depthTest={false} opacity={0.35} transparent />
|
||||
</mesh>
|
||||
)}
|
||||
{draftPoints.map((p, i) => (
|
||||
<mesh key={`pt-${i}`} layers={EDITOR_LAYER} position={p}>
|
||||
<sphereGeometry args={[0.05, 16, 12]} />
|
||||
<meshBasicMaterial color={PREVIEW_COLOR} depthTest={false} />
|
||||
</mesh>
|
||||
))}
|
||||
{previewSegments.map((seg, i) => (
|
||||
<PreviewSegment a={seg.a} b={seg.b} key={`seg-${i}`} />
|
||||
))}
|
||||
{traceSegments.map((seg, i) => (
|
||||
<PreviewSegment a={seg.a} b={seg.b} key={`trace-${i}`} />
|
||||
))}
|
||||
</LevelOffsetGroup>
|
||||
)
|
||||
}
|
||||
|
||||
function PreviewSegment({ a, b }: { a: Vec3; b: Vec3 }) {
|
||||
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)
|
||||
return (
|
||||
<mesh
|
||||
layers={EDITOR_LAYER}
|
||||
position={mid.toArray()}
|
||||
ref={(m) => {
|
||||
if (!m) return
|
||||
m.quaternion.setFromUnitVectors(new Vector3(0, 1, 0), dir)
|
||||
}}
|
||||
>
|
||||
<cylinderGeometry args={[GHOST_RADIUS_M, GHOST_RADIUS_M, length, 16, 1, false]} />
|
||||
<meshBasicMaterial
|
||||
color={PREVIEW_COLOR}
|
||||
depthTest={false}
|
||||
opacity={PREVIEW_OPACITY}
|
||||
transparent
|
||||
/>
|
||||
</mesh>
|
||||
)
|
||||
}
|
||||
|
||||
export default LiquidLineTool
|
||||
Reference in New Issue
Block a user