radio & sfx

apps/editor/components/editor/index.tsx

@@ -9,6 +9,7 @@ import { ZoneSystem } from '../systems/zone/zone-system'
 import { ToolManager } from '../tools/tool-manager'
 import { ActionMenu } from '../ui/action-menu'
 import { CloudSaveButton } from '@/features/community/components/cloud-save-button'
+import { PascalRadio } from '../pascal-radio'
 import { PanelManager } from '../ui/panels/panel-manager'
 import { SidebarProvider } from '../ui/primitives/sidebar'
 import { AppSidebar } from '../ui/sidebar/app-sidebar'
@@ -16,12 +17,16 @@ import { CustomCameraControls } from './custom-camera-controls'
 import { ExportManager } from './export-manager'
 import { Grid } from './grid'
 import { SelectionManager } from './selection-manager'
+import { initSFXBus } from '@/lib/sfx-bus'
 
 // Load default scene initially (will be replaced when property loads)
 useScene.getState().loadScene()
 initSpatialGridSync()
 initSpaceDetectionSync(useScene, useEditor)
 
+// Initialize SFX bus to connect events to sound effects
+initSFXBus()
+
 export default function Editor() {
   useKeyboard()
 
@@ -29,7 +34,16 @@ export default function Editor() {
     <div className="w-full h-full">
       <ActionMenu />
       <PanelManager />
-      <CloudSaveButton />
+
+      {/* Top-right controls */}
+      <div className="pointer-events-none fixed top-4 right-4 z-50 flex items-start gap-2">
+        <div className="pointer-events-auto">
+          <PascalRadio />
+        </div>
+        <div className="pointer-events-auto">
+          <CloudSaveButton />
+        </div>
+      </div>
 
       <SidebarProvider className="fixed z-20">
         <AppSidebar />

apps/editor/components/pascal-radio.tsx

@@ -0,0 +1,245 @@
+'use client'
+
+import { Howl } from 'howler'
+import { Disc3, Pause, Play, Settings2, SkipBack, SkipForward, Volume2 } from 'lucide-react'
+import { useCallback, useEffect, useRef, useState } from 'react'
+import { Popover, PopoverContent, PopoverTrigger } from '@/components/ui/primitives/popover'
+import { Switch } from '@/components/ui/primitives/switch'
+import { Slider } from '@/components/ui/slider'
+import { cn } from '@/lib/utils'
+import useAudio from '@/store/use-audio'
+
+const PLAYLIST = [
+  {
+    title: 'Ballroom in Miniature',
+    file: '/audios/radios/classic/Ballroom in Miniature.mp3',
+  },
+  {
+    title: 'Blueprints in Springtime',
+    file: '/audios/radios/classic/Blueprints in Springtime.mp3',
+  },
+  {
+    title: 'Clockwork Tea Party',
+    file: '/audios/radios/classic/Clockwork Tea Party.mp3',
+  },
+  {
+    title: 'Clockwork Tea Party (Alternate)',
+    file: '/audios/radios/classic/Clockwork Tea Party (Alternate).mp3',
+  },
+  {
+    title: 'Clockwork Teacups',
+    file: '/audios/radios/classic/Clockwork Teacups.mp3',
+  },
+  {
+    title: 'Evening in the Parlor',
+    file: '/audios/radios/classic/Evening in the Parlor.mp3',
+  },
+  {
+    title: 'Glass Atrium',
+    file: '/audios/radios/classic/Glass Atrium.mp3',
+  },
+  {
+    title: 'Moonlight On The Drafting Table',
+    file: '/audios/radios/classic/Moonlight On The Drafting Table.mp3',
+  },
+  {
+    title: 'Sunlit Garden Reverie',
+    file: '/audios/radios/classic/Sunlit Garden Reverie.mp3',
+  },
+  {
+    title: 'Sunlit Waltz in Pastel Hues',
+    file: '/audios/radios/classic/Sunlit Waltz in Pastel Hues.mp3',
+  },
+]
+
+// Shuffle array helper
+function shuffleArray<T>(array: T[]): T[] {
+  const shuffled = [...array]
+  for (let i = shuffled.length - 1; i > 0; i--) {
+    const j = Math.floor(Math.random() * (i + 1))
+    ;[shuffled[i], shuffled[j]] = [shuffled[j]!, shuffled[i]!]
+  }
+  return shuffled
+}
+
+export function PascalRadio() {
+  const [shuffledPlaylist] = useState(() => shuffleArray(PLAYLIST))
+  const [isPlaying, setIsPlaying] = useState(false)
+  const [currentTrackIndex, setCurrentTrackIndex] = useState(0)
+  const { masterVolume, radioVolume, muted, autoplay, setAutoplay } = useAudio()
+  const soundRef = useRef<Howl | null>(null)
+  const hasAutoplayedRef = useRef(false)
+
+  const currentTrack = shuffledPlaylist[currentTrackIndex]!
+
+  // Calculate effective volume (masterVolume * radioVolume, both are 0-100)
+  const effectiveVolume = (masterVolume / 100) * (radioVolume / 100)
+
+  const handleNext = useCallback(() => {
+    setCurrentTrackIndex((prev) => (prev + 1) % shuffledPlaylist.length)
+  }, [shuffledPlaylist.length])
+
+  const handlePrevious = useCallback(() => {
+    setCurrentTrackIndex((prev) => (prev - 1 + shuffledPlaylist.length) % shuffledPlaylist.length)
+  }, [shuffledPlaylist.length])
+
+  // Initialize Howler when track changes
+  useEffect(() => {
+    // Clean up previous sound
+    if (soundRef.current) {
+      soundRef.current.unload()
+    }
+
+    const wasPlaying = isPlaying
+
+    // Create new sound
+    soundRef.current = new Howl({
+      src: [currentTrack.file],
+      volume: muted ? 0 : effectiveVolume,
+      onend: handleNext,
+    })
+
+    // If was playing, play new track
+    if (wasPlaying && !muted) {
+      soundRef.current?.play()
+    }
+
+    return () => {
+      soundRef.current?.unload()
+    }
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [handleNext, currentTrack.file])
+
+  // Update volume when settings change
+  useEffect(() => {
+    if (soundRef.current) {
+      soundRef.current.volume(muted ? 0 : effectiveVolume)
+
+      // Pause if muted, resume if unmuted and was playing
+      if (muted && isPlaying) {
+        soundRef.current.pause()
+      } else if (!muted && isPlaying && !soundRef.current.playing()) {
+        soundRef.current.play()
+      }
+    }
+  }, [effectiveVolume, muted, isPlaying])
+
+  // Autoplay on first user click
+  useEffect(() => {
+    if (!autoplay || hasAutoplayedRef.current || muted) return
+
+    const handleFirstClick = () => {
+      if (!soundRef.current || hasAutoplayedRef.current) return
+
+      hasAutoplayedRef.current = true
+      soundRef.current.play()
+      setIsPlaying(true)
+
+      // Remove listener after first click
+      document.removeEventListener('click', handleFirstClick)
+    }
+
+    document.addEventListener('click', handleFirstClick)
+    return () => {
+      document.removeEventListener('click', handleFirstClick)
+    }
+  }, [autoplay, muted])
+
+  const handlePlayPause = () => {
+    if (!soundRef.current || muted) return
+
+    if (isPlaying) {
+      soundRef.current.pause()
+    } else {
+      soundRef.current.play()
+    }
+    setIsPlaying(!isPlaying)
+  }
+
+  const handleVolumeChange = (value: number[]) => {
+    useAudio.setState({ radioVolume: value[0] })
+  }
+
+  return (
+    <div className="flex items-center gap-2 rounded-lg border border-border bg-background/95 px-3 py-2 text-sm font-medium shadow-lg backdrop-blur-md">
+      <Disc3 className={cn('h-4 w-4', isPlaying && 'animate-spin')} />
+      <span className="hidden sm:inline">Pascal Radio</span>
+      <div
+        onClick={handlePlayPause}
+        className="rounded-sm p-1 transition-all cursor-pointer bg-accent/30 hover:bg-accent hover:text-accent-foreground hover:shadow-sm"
+        role="button"
+        tabIndex={0}
+        aria-label={isPlaying ? 'Pause' : 'Play'}
+        onKeyDown={(e) => {
+          if (e.key === 'Enter' || e.key === ' ') {
+            e.preventDefault()
+            handlePlayPause()
+          }
+        }}
+      >
+        {isPlaying ? <Pause className="h-3.5 w-3.5" /> : <Play className="h-3.5 w-3.5" />}
+      </div>
+      <Popover>
+        <PopoverTrigger asChild>
+          <button
+            className="rounded-sm p-1 transition-all cursor-pointer hover:bg-accent hover:text-accent-foreground"
+            aria-label="Radio Settings"
+          >
+            <Settings2 className="h-3.5 w-3.5" />
+          </button>
+        </PopoverTrigger>
+        <PopoverContent className="w-64" align="end">
+          <div className="space-y-3">
+            {/* Current song info with prev/next */}
+            <div>
+              <p className="text-xs text-muted-foreground mb-2">Now Playing</p>
+              <div className="flex items-center justify-between gap-2">
+                <button
+                  onClick={handlePrevious}
+                  className="rounded-full p-1.5 transition-colors hover:bg-accent shrink-0"
+                  aria-label="Previous"
+                >
+                  <SkipBack className="h-4 w-4" />
+                </button>
+                <p className="text-sm font-medium text-center flex-1 truncate">{currentTrack.title}</p>
+                <button
+                  onClick={handleNext}
+                  className="rounded-full p-1.5 transition-colors hover:bg-accent shrink-0"
+                  aria-label="Next"
+                >
+                  <SkipForward className="h-4 w-4" />
+                </button>
+              </div>
+            </div>
+
+            {/* Volume control */}
+            <div className="flex items-center gap-2">
+              <Volume2 className="h-3.5 w-3.5 text-muted-foreground" />
+              <Slider
+                value={[radioVolume]}
+                onValueChange={handleVolumeChange}
+                max={100}
+                step={1}
+                className="flex-1"
+                aria-label="Radio Volume"
+              />
+              <span className="w-8 text-right text-xs text-muted-foreground">{radioVolume}%</span>
+            </div>
+
+            {/* Autoplay setting */}
+            <div className="flex items-center justify-between pt-2 border-t">
+              <label htmlFor="autoplay" className="text-sm font-medium cursor-pointer">
+                Autoplay
+              </label>
+              <Switch
+                id="autoplay"
+                checked={autoplay}
+                onCheckedChange={setAutoplay}
+              />
+            </div>
+          </div>
+        </PopoverContent>
+      </Popover>
+    </div>
+  )
+}

apps/editor/components/tools/ceiling/ceiling-tool.tsx

@@ -3,6 +3,7 @@ import { useViewer } from '@pascal-app/viewer'
 import { useEffect, useMemo, useRef, useState } from 'react'
 import { BufferGeometry, DoubleSide, type Line, type Mesh, Shape, Vector3 } from 'three'
 import useEditor from '@/store/use-editor'
+import { sfxEmitter } from '@/lib/sfx-bus'
 
 const CEILING_HEIGHT = 2.52
 const GRID_OFFSET = 0.02
@@ -59,6 +60,7 @@ const commitCeilingDrawing = (levelId: LevelNode['id'], points: Array<[number, n
   })
 
   createNode(ceiling, levelId)
+  sfxEmitter.emit('sfx:structure-build')
 }
 
 export const CeilingTool: React.FC = () => {
@@ -72,6 +74,7 @@ export const CeilingTool: React.FC = () => {
   const [points, setPoints] = useState<Array<[number, number]>>([])
   const [cursorPosition, setCursorPosition] = useState<[number, number]>([0, 0])
   const [levelY, setLevelY] = useState(0)
+  const previousSnappedPointRef = useRef<[number, number] | null>(null)
 
   // Update cursor position and lines on grid move
   useEffect(() => {
@@ -94,6 +97,13 @@ export const CeilingTool: React.FC = () => {
       const lastPoint = points[points.length - 1]
       const displayPoint = lastPoint ? calculateSnapPoint(lastPoint, gridPosition) : gridPosition
 
+      // Play snap sound when the snapped position actually changes (only when drawing)
+      if (points.length > 0 && previousSnappedPointRef.current &&
+          (displayPoint[0] !== previousSnappedPointRef.current[0] || displayPoint[1] !== previousSnappedPointRef.current[1])) {
+        sfxEmitter.emit('sfx:grid-snap')
+      }
+
+      previousSnappedPointRef.current = displayPoint
       cursorRef.current.position.set(displayPoint[0], ceilingY, displayPoint[1])
       gridCursorRef.current.position.set(displayPoint[0], gridY, displayPoint[1])
     }

apps/editor/components/tools/item/item-tool.tsx

@@ -1,3 +1,4 @@
+import { sfxEmitter } from '@/lib/sfx-bus'
 import useEditor from '@/store/use-editor'
 import { useDraftNode } from './use-draft-node'
 import { usePlacementCoordinator } from './use-placement-coordinator'
@@ -14,7 +15,10 @@ export const ItemTool: React.FC = () => {
         draftNode.create(gridPosition, selectedItem!)
       }
     },
-    onCommitted: () => true,
+    onCommitted: () => {
+      sfxEmitter.emit('sfx:item-place')
+      return true
+    },
   })
 
   if (!selectedItem) return null

apps/editor/components/tools/item/move-tool.tsx

@@ -1,10 +1,14 @@
-import useEditor from '@/store/use-editor'
 import { Vector3 } from 'three'
+import { sfxEmitter } from '@/lib/sfx-bus'
+import useEditor from '@/store/use-editor'
+import type { PlacementState } from './placement-types'
 import { useDraftNode } from './use-draft-node'
 import { usePlacementCoordinator } from './use-placement-coordinator'
-import type { PlacementState } from './placement-types'
 
-function getInitialState(node: { asset: { attachTo?: string }; parentId: string | null }): PlacementState {
+function getInitialState(node: {
+  asset: { attachTo?: string }
+  parentId: string | null
+}): PlacementState {
   const attachTo = node.asset.attachTo
   if (attachTo === 'wall' || attachTo === 'wall-side') {
     return { surface: 'wall', wallId: node.parentId, ceilingId: null }
@@ -33,6 +37,7 @@ export const MoveTool: React.FC = () => {
       gridPosition.copy(new Vector3(...movingNode.position))
     },
     onCommitted: () => {
+      sfxEmitter.emit('sfx:item-place')
       exitMoveMode()
       return false
     },

apps/editor/components/tools/item/use-placement-coordinator.tsx

@@ -23,6 +23,7 @@ import {
   Quaternion,
   Vector3,
 } from 'three'
+import { sfxEmitter } from '@/lib/sfx-bus'
 import { ceilingStrategy, checkCanPlace, floorStrategy, wallStrategy } from './placement-strategies'
 import type { PlacementState, TransitionResult } from './placement-types'
 import type { DraftNodeHandle } from './use-draft-node'
@@ -83,6 +84,7 @@ export function usePlacementCoordinator(config: PlacementCoordinatorConfig): Rea
     const applyTransition = (result: TransitionResult) => {
       Object.assign(placementState.current, result.stateUpdate)
       gridPosition.current.set(...result.gridPosition)
+
       cursorRef.current.position.set(...result.cursorPosition)
       cursorRef.current.rotation.y = result.cursorRotationY
 
@@ -135,10 +137,20 @@ export function usePlacementCoordinator(config: PlacementCoordinatorConfig): Rea
 
     // ---- Floor Handlers ----
 
+    let previousGridPos: [number, number, number] | null = null
+
     const onGridMove = (event: GridEvent) => {
       const result = floorStrategy.move(getContext(), event)
       if (!result) return
 
+      // Play snap sound when grid position changes
+      if (previousGridPos &&
+          (result.gridPosition[0] !== previousGridPos[0] ||
+           result.gridPosition[2] !== previousGridPos[2])) {
+        sfxEmitter.emit('sfx:grid-snap')
+      }
+
+      previousGridPos = [...result.gridPosition]
       gridPosition.current.set(...result.gridPosition)
       // Only update X and Z for cursor - useFrame will handle Y (slab elevation)
       cursorRef.current.position.x = result.cursorPosition[0]

apps/editor/components/tools/roof/roof-tool.tsx

@@ -3,6 +3,7 @@ import { useViewer } from "@pascal-app/viewer";
 import { useEffect, useMemo, useRef, useState } from "react";
 import { BufferGeometry, DoubleSide, type Line, Vector3 } from "three";
 import useEditor from "@/store/use-editor";
+import { sfxEmitter } from '@/lib/sfx-bus';
 
 // Default roof dimensions
 const DEFAULT_HEIGHT = 1.5;
@@ -42,6 +43,7 @@ const commitRoofPlacement = (
   });
 
   createNode(roof, levelId);
+  sfxEmitter.emit('sfx:structure-build');
   return roof.id;
 };
 
@@ -59,6 +61,7 @@ export const RoofTool: React.FC = () => {
   const setMode = useEditor((state) => state.setMode);
 
   const corner1Ref = useRef<[number, number, number] | null>(null);
+  const previousGridPosRef = useRef<[number, number] | null>(null);
   const [preview, setPreview] = useState<PreviewState>({
     corner1: null,
     cursorPosition: [0, 0, 0],
@@ -93,6 +96,14 @@ export const RoofTool: React.FC = () => {
 
       const cursorPosition: [number, number, number] = [gridX, y, gridZ];
 
+      // Play snap sound when grid position changes (only when placing)
+      if (corner1Ref.current && previousGridPosRef.current &&
+          (gridX !== previousGridPosRef.current[0] || gridZ !== previousGridPosRef.current[1])) {
+        sfxEmitter.emit('sfx:grid-snap');
+      }
+
+      previousGridPosRef.current = [gridX, gridZ];
+
       setPreview({
         corner1: corner1Ref.current,
         cursorPosition,

apps/editor/components/tools/shared/polygon-editor.tsx

@@ -2,6 +2,7 @@ import { emitter, type GridEvent, sceneRegistry } from '@pascal-app/core'
 import { createPortal } from '@react-three/fiber'
 import { useCallback, useEffect, useMemo, useRef, useState } from 'react'
 import { BufferGeometry, Float32BufferAttribute, type Mesh } from 'three'
+import { sfxEmitter } from '@/lib/sfx-bus'
 
 const Y_OFFSET = 0.02
 
@@ -52,6 +53,7 @@ export const PolygonEditor: React.FC<PolygonEditorProps> = ({
   const [cursorPosition, setCursorPosition] = useState<[number, number]>([0, 0])
 
   const lineRef = useRef<Mesh>(null!)
+  const previousPositionRef = useRef<[number, number] | null>(null)
 
   // Track the last polygon prop to detect external changes (undo/redo)
   const lastPolygonRef = useRef(polygon)
@@ -129,7 +131,16 @@ export const PolygonEditor: React.FC<PolygonEditorProps> = ({
     const onGridMove = (event: GridEvent) => {
       const gridX = Math.round(event.position[0] * 2) / 2
       const gridZ = Math.round(event.position[2] * 2) / 2
-      setCursorPosition([gridX, gridZ])
+      const newPosition: [number, number] = [gridX, gridZ]
+
+      // Play snap sound when cursor moves to a new grid cell during drag
+      if (dragState?.isDragging && previousPositionRef.current &&
+          (newPosition[0] !== previousPositionRef.current[0] || newPosition[1] !== previousPositionRef.current[1])) {
+        sfxEmitter.emit('sfx:grid-snap')
+      }
+
+      previousPositionRef.current = newPosition
+      setCursorPosition(newPosition)
 
       // Update vertex position during drag
       if (dragState?.isDragging) {

apps/editor/components/tools/slab/slab-tool.tsx

@@ -2,6 +2,7 @@ import { emitter, type GridEvent, type LevelNode, SlabNode, useScene } from '@pa
 import { useViewer } from '@pascal-app/viewer'
 import { useEffect, useMemo, useRef, useState } from 'react'
 import { BufferGeometry, DoubleSide, type Line, type Mesh, Shape, Vector3 } from 'three'
+import { sfxEmitter } from '@/lib/sfx-bus'
 
 const Y_OFFSET = 0.02
 
@@ -57,6 +58,7 @@ const commitSlabDrawing = (levelId: LevelNode['id'], points: Array<[number, numb
   })
 
   createNode(slab, levelId)
+  sfxEmitter.emit('sfx:structure-build')
   return slab.id
 }
 
@@ -70,6 +72,7 @@ export const SlabTool: React.FC = () => {
   const [points, setPoints] = useState<Array<[number, number]>>([])
   const [cursorPosition, setCursorPosition] = useState<[number, number]>([0, 0])
   const [levelY, setLevelY] = useState(0)
+  const previousSnappedPointRef = useRef<[number, number] | null>(null)
 
   // Update cursor position and lines on grid move
   useEffect(() => {
@@ -89,6 +92,13 @@ export const SlabTool: React.FC = () => {
       const lastPoint = points[points.length - 1]
       const displayPoint = lastPoint ? calculateSnapPoint(lastPoint, gridPosition) : gridPosition
 
+      // Play snap sound when the snapped position actually changes (only when drawing)
+      if (points.length > 0 && previousSnappedPointRef.current &&
+          (displayPoint[0] !== previousSnappedPointRef.current[0] || displayPoint[1] !== previousSnappedPointRef.current[1])) {
+        sfxEmitter.emit('sfx:grid-snap')
+      }
+
+      previousSnappedPointRef.current = displayPoint
       cursorRef.current.position.set(displayPoint[0], event.position[1], displayPoint[1])
     }
 

apps/editor/components/tools/wall/wall-tool.tsx

@@ -1,7 +1,8 @@
 import { emitter, type GridEvent, useScene, WallNode } from '@pascal-app/core'
 import { useViewer } from '@pascal-app/viewer'
-import { useEffect, useRef, useMemo } from 'react'
+import { useEffect, useRef } from 'react'
-import { DoubleSide, type Mesh, Vector3, Shape, ShapeGeometry } from 'three'
+import { DoubleSide, type Mesh, Shape, ShapeGeometry, Vector3 } from 'three'
+import { sfxEmitter } from '@/lib/sfx-bus'
 
 const WALL_HEIGHT = 2.5
 const WALL_THICKNESS = 0.15
@@ -88,6 +89,7 @@ const commitWallDrawing = (start: [number, number], end: [number, number]) => {
   const wall = WallNode.parse({ start, end })
 
   createNode(wall, currentLevelId)
+  sfxEmitter.emit('sfx:structure-build')
 }
 
 export const WallTool: React.FC = () => {
@@ -99,6 +101,7 @@ export const WallTool: React.FC = () => {
 
   useEffect(() => {
     let gridPosition: [number, number] = [0, 0]
+    let previousWallEnd: [number, number] | null = null
 
     const onGridMove = (event: GridEvent) => {
       if (!cursorRef.current || !wallPreviewRef.current) return
@@ -112,6 +115,14 @@ export const WallTool: React.FC = () => {
         const snapped = snapTo45Degrees(startingPoint.current, cursorPosition)
         endingPoint.current.copy(snapped)
 
+        // Play snap sound only when the actual wall end position changes
+        const currentWallEnd: [number, number] = [endingPoint.current.x, endingPoint.current.z]
+        if (previousWallEnd &&
+            (currentWallEnd[0] !== previousWallEnd[0] || currentWallEnd[1] !== previousWallEnd[1])) {
+          sfxEmitter.emit('sfx:grid-snap')
+        }
+        previousWallEnd = currentWallEnd
+
         // Update wall preview geometry
         updateWallPreview(wallPreviewRef.current, startingPoint.current, endingPoint.current)
       }
@@ -125,7 +136,7 @@ export const WallTool: React.FC = () => {
       } else if (buildingState.current === 1) {
         commitWallDrawing(
           [startingPoint.current.x, startingPoint.current.z],
-          [endingPoint.current.x, endingPoint.current.z]
+          [endingPoint.current.x, endingPoint.current.z],
         )
         wallPreviewRef.current.visible = false
         buildingState.current = 0

apps/editor/components/ui/panels/item-panel.tsx

@@ -7,6 +7,7 @@ import Image from 'next/image'
 import { useCallback } from 'react'
 import useEditor from '@/store/use-editor'
 import { NumberInput } from '@/components/ui/primitives/number-input'
+import { sfxEmitter } from '@/lib/sfx-bus'
 
 export function ItemPanel() {
   const selectedIds = useViewer((s) => s.selection.selectedIds)
@@ -43,6 +44,7 @@ export function ItemPanel() {
 
   const handleMove = useCallback(() => {
     if (node) {
+      sfxEmitter.emit('sfx:item-pick')
       setMovingNode(node)
       // Deselect so the panel closes
       setSelection({ selectedIds: [] })

apps/editor/components/ui/sidebar/panels/settings-panel/audio-settings-dialog.tsx

@@ -0,0 +1,89 @@
+import { Volume2, VolumeX } from 'lucide-react'
+import { Button } from '@/components/ui/primitives/button'
+import { Dialog, DialogContent, DialogDescription, DialogHeader, DialogTitle, DialogTrigger } from '@/components/ui/primitives/dialog'
+import { Slider } from '@/components/ui/slider'
+import useAudio from '@/store/use-audio'
+
+export function AudioSettingsDialog() {
+  const { masterVolume, sfxVolume, radioVolume, muted, setMasterVolume, setSfxVolume, setRadioVolume, toggleMute } = useAudio()
+
+  return (
+    <Dialog>
+      <DialogTrigger asChild>
+        <Button
+          className="w-full justify-start gap-2"
+          variant="outline"
+        >
+          {muted ? <VolumeX className="size-4" /> : <Volume2 className="size-4" />}
+          Audio Settings
+        </Button>
+      </DialogTrigger>
+      <DialogContent className="sm:max-w-[425px]">
+        <DialogHeader>
+          <DialogTitle>Audio Settings</DialogTitle>
+          <DialogDescription>
+            Adjust volume levels and mute settings
+          </DialogDescription>
+        </DialogHeader>
+        <div className="space-y-6 py-4">
+          {/* Master Volume */}
+          <div className="space-y-2">
+            <div className="flex items-center justify-between">
+              <label className="text-sm font-medium">Master Volume</label>
+              <span className="text-sm text-muted-foreground">{masterVolume}%</span>
+            </div>
+            <Slider
+              value={[masterVolume]}
+              onValueChange={(value) => setMasterVolume(value[0])}
+              max={100}
+              step={1}
+              disabled={muted}
+            />
+          </div>
+
+          {/* Radio Volume */}
+          <div className="space-y-2">
+            <div className="flex items-center justify-between">
+              <label className="text-sm font-medium">Radio Volume</label>
+              <span className="text-sm text-muted-foreground">{radioVolume}%</span>
+            </div>
+            <Slider
+              value={[radioVolume]}
+              onValueChange={(value) => setRadioVolume(value[0])}
+              max={100}
+              step={1}
+              disabled={muted}
+            />
+          </div>
+
+          {/* SFX Volume */}
+          <div className="space-y-2">
+            <div className="flex items-center justify-between">
+              <label className="text-sm font-medium">Sound Effects</label>
+              <span className="text-sm text-muted-foreground">{sfxVolume}%</span>
+            </div>
+            <Slider
+              value={[sfxVolume]}
+              onValueChange={(value) => setSfxVolume(value[0])}
+              max={100}
+              step={1}
+              disabled={muted}
+            />
+          </div>
+
+          {/* Mute Toggle */}
+          <div className="pt-4 border-t">
+            <Button
+              onClick={toggleMute}
+              variant={muted ? 'default' : 'outline'}
+              className="w-full justify-start gap-2"
+            >
+              {muted ? <VolumeX className="size-4" /> : <Volume2 className="size-4" />}
+              {muted ? 'Unmute All Sounds' : 'Mute All Sounds'}
+            </Button>
+          </div>
+        </div>
+      </DialogContent>
+    </Dialog>
+  )
+}

apps/editor/components/ui/sidebar/panels/settings-panel/index.tsx

@@ -4,6 +4,7 @@ import { Download, Save, Trash2, Upload } from "lucide-react";
 import { useRef } from "react";
 import { Button } from "@/components/ui/primitives/button";
 import useEditor from "@/store/use-editor";
+import { AudioSettingsDialog } from "./audio-settings-dialog";
 
 export function SettingsPanel() {
   const fileInputRef = useRef<HTMLInputElement>(null);
@@ -113,6 +114,14 @@ export function SettingsPanel() {
         />
       </div>
 
+      {/* Audio Section */}
+      <div className="space-y-2">
+        <label className="font-medium text-muted-foreground text-xs uppercase">
+          Audio
+        </label>
+        <AudioSettingsDialog />
+      </div>
+
       {/* Danger Zone */}
       <div className="space-y-2">
         <label className="font-medium text-destructive text-xs uppercase">

apps/editor/components/ui/slider.tsx

@@ -0,0 +1,28 @@
+'use client'
+
+import * as React from 'react'
+import * as SliderPrimitive from '@radix-ui/react-slider'
+
+import { cn } from '@/lib/utils'
+
+const Slider = React.forwardRef<
+  React.ElementRef<typeof SliderPrimitive.Root>,
+  React.ComponentPropsWithoutRef<typeof SliderPrimitive.Root>
+>(({ className, ...props }, ref) => (
+  <SliderPrimitive.Root
+    ref={ref}
+    className={cn(
+      'relative flex w-full touch-none select-none items-center',
+      className,
+    )}
+    {...props}
+  >
+    <SliderPrimitive.Track className="relative h-1.5 w-full grow overflow-hidden rounded-full bg-primary/20">
+      <SliderPrimitive.Range className="absolute h-full bg-primary" />
+    </SliderPrimitive.Track>
+    <SliderPrimitive.Thumb className="block h-4 w-4 rounded-full border border-primary/50 bg-background shadow transition-colors focus-visible:outline-none focus-visible:ring-1 focus-visible:ring-ring disabled:pointer-events-none disabled:opacity-50" />
+  </SliderPrimitive.Root>
+))
+Slider.displayName = SliderPrimitive.Root.displayName
+
+export { Slider }

apps/editor/features/community/components/cloud-save-button.tsx

@@ -28,7 +28,7 @@ export function CloudSaveButton() {
 
   if (isLoading) {
     return (
-      <div className="pointer-events-auto fixed top-4 right-4 z-50">
+      <div className="pointer-events-auto">
         <div className="flex items-center gap-2 rounded-lg border border-border bg-background/95 px-3 py-2 shadow-lg backdrop-blur-md">
           <div className="h-4 w-4 animate-pulse rounded-full bg-muted" />
         </div>
@@ -39,7 +39,7 @@ export function CloudSaveButton() {
   if (!isAuthenticated) {
     return (
       <>
-        <div className="pointer-events-auto fixed top-4 right-4 z-50">
+        <div className="pointer-events-auto">
           <button
             className="flex items-center gap-2 rounded-lg border border-border bg-background/95 px-3 py-2 text-sm font-medium shadow-lg backdrop-blur-md transition-colors hover:bg-accent hover:text-accent-foreground"
             onClick={() => setIsSignInDialogOpen(true)}
@@ -54,7 +54,7 @@ export function CloudSaveButton() {
   }
 
   return (
-    <div className="pointer-events-auto fixed top-4 right-4 z-50">
+    <div className="pointer-events-auto">
       <div className="flex items-center gap-2">
         <PropertyDropdown />
         <ProfileDropdown />

apps/editor/lib/sfx-bus.ts

@@ -0,0 +1,43 @@
+import mitt from 'mitt'
+import { playSFX } from './sfx-player'
+
+/**
+ * SFX-specific events that tools can trigger
+ */
+type SFXEvents = {
+  'sfx:grid-snap': undefined
+  'sfx:item-delete': undefined
+  'sfx:item-pick': undefined
+  'sfx:item-place': undefined
+  'sfx:structure-build': undefined
+  'sfx:structure-delete': undefined
+}
+
+/**
+ * Dedicated event emitter for SFX
+ * Tools should use this to trigger sound effects
+ */
+export const sfxEmitter = mitt<SFXEvents>()
+
+/**
+ * Initialize SFX Bus - connects SFX events to actual sound playback
+ * Call once in your app initialization
+ */
+export function initSFXBus() {
+  // Map SFX events to sound playback
+  sfxEmitter.on('sfx:grid-snap', () => playSFX('gridSnap'))
+  sfxEmitter.on('sfx:item-delete', () => playSFX('itemDelete'))
+  sfxEmitter.on('sfx:item-pick', () => playSFX('itemPick'))
+  sfxEmitter.on('sfx:item-place', () => playSFX('itemPlace'))
+  sfxEmitter.on('sfx:structure-build', () => playSFX('structureBuild'))
+  sfxEmitter.on('sfx:structure-delete', () => playSFX('structureDelete'))
+}
+
+/**
+ * Helper function to trigger SFX events from tools
+ * @example
+ * triggerSFX('sfx:item-place')
+ */
+export function triggerSFX(event: keyof SFXEvents) {
+  sfxEmitter.emit(event)
+}

apps/editor/lib/sfx-player.ts

@@ -0,0 +1,59 @@
+import { Howl } from 'howler'
+import useAudio from '@/store/use-audio'
+
+// SFX sound definitions
+export const SFX = {
+  gridSnap: '/audios/sfx/grid_snap.mp3',
+  itemDelete: '/audios/sfx/item_delete.mp3',
+  itemPick: '/audios/sfx/item_pick.mp3',
+  itemPlace: '/audios/sfx/item_place.mp3',
+  structureBuild: '/audios/sfx/structure_build.mp3',
+  structureDelete: '/audios/sfx/structure_delete.mp3',
+} as const
+
+export type SFXName = keyof typeof SFX
+
+// Preload all SFX sounds
+const sfxCache = new Map<SFXName, Howl>()
+
+// Initialize all sounds
+Object.entries(SFX).forEach(([name, path]) => {
+  const sound = new Howl({
+    src: [path],
+    preload: true,
+    volume: 0.5, // Will be adjusted by the bus
+  })
+  sfxCache.set(name as SFXName, sound)
+})
+
+/**
+ * Play a sound effect with volume based on audio settings
+ */
+export function playSFX(name: SFXName) {
+  const sound = sfxCache.get(name)
+  if (!sound) {
+    console.warn(`SFX not found: ${name}`)
+    return
+  }
+
+  const { masterVolume, sfxVolume, muted } = useAudio.getState()
+
+  if (muted) return
+
+  // Calculate final volume (masterVolume and sfxVolume are 0-100)
+  const finalVolume = (masterVolume / 100) * (sfxVolume / 100)
+  sound.volume(finalVolume)
+  sound.play()
+}
+
+/**
+ * Update all cached SFX volumes (useful when settings change)
+ */
+export function updateSFXVolumes() {
+  const { masterVolume, sfxVolume } = useAudio.getState()
+  const finalVolume = (masterVolume / 100) * (sfxVolume / 100)
+
+  sfxCache.forEach((sound) => {
+    sound.volume(finalVolume)
+  })
+}

apps/editor/lib/sfx/index.ts

@@ -0,0 +1,2 @@
+export { playSFX, updateSFXVolumes, SFX, type SFXName } from '../sfx-player'
+export { initSFXBus, sfxEmitter, triggerSFX } from '../sfx-bus'

apps/editor/package.json

@@ -36,6 +36,7 @@
     "better-auth": "^1.4.18",
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
+    "howler": "^2.2.4",
     "lucide-react": "^0.562.0",
     "motion": "^12.26.2",
     "nanoid": "^5.1.6",
@@ -48,6 +49,7 @@
   },
   "devDependencies": {
     "@repo/typescript-config": "*",
+    "@types/howler": "^2.2.12",
     "@types/node": "^22.15.3",
     "@types/react": "19.2.2",
     "@types/react-dom": "19.2.2",

apps/editor/store/use-audio.tsx

@@ -0,0 +1,39 @@
+'use client'
+
+import { create } from 'zustand'
+import { persist } from 'zustand/middleware'
+
+interface AudioState {
+  masterVolume: number
+  sfxVolume: number
+  radioVolume: number
+  muted: boolean
+  autoplay: boolean
+  setMasterVolume: (v: number) => void
+  setSfxVolume: (v: number) => void
+  setRadioVolume: (v: number) => void
+  toggleMute: () => void
+  setAutoplay: (v: boolean) => void
+}
+
+const useAudio = create<AudioState>()(
+  persist(
+    (set) => ({
+      masterVolume: 70,
+      sfxVolume: 50,
+      radioVolume: 50,
+      muted: false,
+      autoplay: true,
+      setMasterVolume: (v) => set({ masterVolume: v }),
+      setSfxVolume: (v) => set({ sfxVolume: v }),
+      setRadioVolume: (v) => set({ radioVolume: v }),
+      toggleMute: () => set((state) => ({ muted: !state.muted })),
+      setAutoplay: (v) => set({ autoplay: v }),
+    }),
+    {
+      name: 'pascal-audio-settings',
+    }
+  )
+)
+
+export default useAudio

bun.lock

@@ -49,6 +49,7 @@
         "better-auth": "^1.4.18",
         "class-variance-authority": "^0.7.1",
         "clsx": "^2.1.1",
+        "howler": "^2.2.4",
         "lucide-react": "^0.562.0",
         "motion": "^12.26.2",
         "nanoid": "^5.1.6",
@@ -61,6 +62,7 @@
       },
       "devDependencies": {
         "@repo/typescript-config": "*",
+        "@types/howler": "^2.2.12",
         "@types/node": "^22.15.3",
         "@types/react": "19.2.2",
         "@types/react-dom": "19.2.2",
@@ -83,7 +85,7 @@
     },
     "packages/core": {
       "name": "@pascal-app/core",
-      "version": "0.1.11",
+      "version": "0.1.12",
       "dependencies": {
         "dedent": "^1.7.1",
         "idb-keyval": "^6.2.2",
@@ -164,7 +166,7 @@
     },
     "packages/viewer": {
       "name": "@pascal-app/viewer",
-      "version": "0.1.11",
+      "version": "0.1.12",
       "dependencies": {
         "zustand": "^5",
       },
@@ -588,6 +590,8 @@
 
     "@types/google.maps": ["@types/google.maps@3.58.1", "", {}, "sha512-X9QTSvGJ0nCfMzYOnaVs/k6/4L+7F5uCS+4iUmkLEls6J9S/Phv+m/i3mDeyc49ZBgwab3EFO1HEoBY7k98EGQ=="],
 
+    "@types/howler": ["@types/howler@2.2.12", "", {}, "sha512-hy769UICzOSdK0Kn1FBk4gN+lswcj1EKRkmiDtMkUGvFfYJzgaDXmVXkSShS2m89ERAatGIPnTUlp2HhfkVo5g=="],
+
     "@types/json-schema": ["@types/json-schema@7.0.15", "", {}, "sha512-5+fP8P8MFNC+AyZCDxrB2pkZFPGzqQWUzpSeuuVLvm8VMcorNYavBqoFcxK8bQz4Qsbn4oUEEem4wDLfcysGHA=="],
 
     "@types/node": ["@types/node@22.19.7", "", { "dependencies": { "undici-types": "~6.21.0" } }, "sha512-MciR4AKGHWl7xwxkBa6xUGxQJ4VBOmPTF7sL+iGzuahOFaO0jHCsuEfS80pan1ef4gWId1oWOweIhrDEYLuaOw=="],
@@ -920,6 +924,8 @@
 
     "hls.js": ["hls.js@1.6.15", "", {}, "sha512-E3a5VwgXimGHwpRGV+WxRTKeSp2DW5DI5MWv34ulL3t5UNmyJWCQ1KmLEHbYzcfThfXG8amBL+fCYPneGHC4VA=="],
 
+    "howler": ["howler@2.2.4", "", {}, "sha512-iARIBPgcQrwtEr+tALF+rapJ8qSc+Set2GJQl7xT1MQzWaVkFebdJhR3alVlSiUf5U7nAANKuj3aWpwerocD5w=="],
+
     "html-to-text": ["html-to-text@9.0.5", "", { "dependencies": { "@selderee/plugin-htmlparser2": "^0.11.0", "deepmerge": "^4.3.1", "dom-serializer": "^2.0.0", "htmlparser2": "^8.0.2", "selderee": "^0.11.0" } }, "sha512-qY60FjREgVZL03vJU6IfMV4GDjGBIoOyvuFdpBDIX9yTlDw0TjxVBQp+P8NvpdIXNJvfWBTNul7fsAQJq2FNpg=="],
 
     "htmlparser2": ["htmlparser2@8.0.2", "", { "dependencies": { "domelementtype": "^2.3.0", "domhandler": "^5.0.3", "domutils": "^3.0.1", "entities": "^4.4.0" } }, "sha512-GYdjWKDkbRLkZ5geuHs5NY1puJ+PXwP7+fHPRz06Eirsb9ugf6d8kkXav6ADhcODhFFPMIXyxkxSuMf3D6NCFA=="],

packages/core/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@pascal-app/core",
-  "version": "0.1.11",
+  "version": "0.1.12",
   "description": "Core library for Pascal 3D building editor",
   "type": "module",
   "main": "./dist/index.js",

packages/viewer/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@pascal-app/viewer",
-  "version": "0.1.11",
+  "version": "0.1.12",
   "description": "3D viewer component for Pascal building editor",
   "type": "module",
   "main": "./dist/index.js",