Add click sound playback to actor editor

Plays the character's click sound (m_sound + 50) and, for Laura's
SwitchMood, an additional mood sound (m_mood + 66) from SNDANIM.SI,
matching the original game behavior. Sounds are fetched on demand,
decoded as WAV, and cached as AudioBuffers.

scripts/generate-manifest.js

@@ -114,6 +114,29 @@ const CLICK_ANIMATIONS = [
   ['ClickAnim3', 13, 4218, 'e25f074d7012f89868011dc2bd5c0586'],
 ];
 
+// Click sounds from SNDANIM.SI (objectId = m_sound + 50)
+// [name, objectId, size, md5]
+const CLICK_SOUNDS = [
+  ['ClickSound0', 50, 10078, '928eeb70f8dadbc400f5c150727fde69'],
+  ['ClickSound1', 51, 15988, '9c8aa04b0e4683976c3f2c2be868b37e'],
+  ['ClickSound2', 52, 4114, 'a94a6dc7ae24fc42b1b9be962bbf3bf1'],
+  ['ClickSound3', 53, 7741, '96bd26dc212ffd31da365ea1d088bfa3'],
+  ['ClickSound4', 54, 23705, 'ca79cc736729c12aed6da018725fb0e3'],
+  ['ClickSound5', 55, 24179, 'b7c97cb776f0afbba40f2e21fc0b309d'],
+  ['ClickSound6', 56, 17675, 'b69b07bba21c6667d0af651c89828815'],
+  ['ClickSound7', 57, 18953, '65d9cc0d09e3bfb831cee014a84085f7'],
+  ['ClickSound8', 58, 7344, '7bbc41251b750835989cb3b35c8546a4'],
+];
+
+// Mood sounds from SNDANIM.SI (objectId = m_mood + 66)
+// [name, objectId, size, md5]
+const MOOD_SOUNDS = [
+  ['MoodSound0', 66, 11534, '91379f36012f600a4b7432e003e16c3a'],
+  ['MoodSound1', 67, 11534, '91379f36012f600a4b7432e003e16c3a'],
+  ['MoodSound2', 68, 11534, '91379f36012f600a4b7432e003e16c3a'],
+  ['MoodSound3', 69, 11534, '91379f36012f600a4b7432e003e16c3a'],
+];
+
 // [name, siFile, objectId, size, md5]
 const TEXTURES = [
   ['CHJETL1', 'Scripts/Build/COPTER.SI', 112, 4235, 'af5010e9de08240c1ff7ad08ae90087e'],
@@ -266,7 +289,7 @@ function verifyRanges(siBuf, ranges, size, expectedMd5) {
 async function main() {
   console.log('Generating asset range manifest...\n');
 
-  const manifest = { animations: {}, textures: {}, bitmaps: {} };
+  const manifest = { animations: {}, sounds: {}, textures: {}, bitmaps: {} };
   let found = 0;
   let failed = 0;
 
@@ -310,6 +333,25 @@ async function main() {
   }
   console.log(`  ${clickFound}/${CLICK_ANIMATIONS.length} click animations found\n`);
 
+  // --- Sounds (in SNDANIM.SI) ---
+  const allSounds = [...CLICK_SOUNDS, ...MOOD_SOUNDS];
+  const soundObjectIds = new Set(allSounds.map(([, objectId]) => objectId));
+  const soundRanges = findMxChByObjectId(sndanimSI, soundObjectIds);
+
+  let soundFound = 0;
+  for (const [name, objectId, size, expectedMd5] of allSounds) {
+    const result = verifyRanges(sndanimSI, soundRanges.get(objectId), size, expectedMd5);
+    if (result) {
+      manifest.sounds[name] = formatResult('Scripts/SNDANIM.SI', result);
+      soundFound++;
+      found++;
+    } else {
+      console.error(`  FAILED: ${name} (objectId ${objectId})`);
+      failed++;
+    }
+  }
+  console.log(`  ${soundFound}/${allSounds.length} sounds found\n`);
+
   // --- Textures (across Build SI files) ---
   // Group textures by SI file so we scan each file once
   const texBySI = new Map();
@@ -375,7 +417,7 @@ async function main() {
 
   await fs.writeFile(OUTPUT_PATH, JSON.stringify(manifest));
   console.log(`Wrote ${OUTPUT_PATH}`);
-  console.log(`Total: ${found} assets (${ANIMATIONS.length} walking + ${CLICK_ANIMATIONS.length} click animations, ${TEXTURES.length} textures, ${BITMAPS.length} bitmaps)`);
+  console.log(`Total: ${found} assets (${ANIMATIONS.length} walking + ${CLICK_ANIMATIONS.length} click animations, ${allSounds.length} sounds, ${TEXTURES.length} textures, ${BITMAPS.length} bitmaps)`);
 }
 
 main().catch(err => {

src/core/assetLoader.js

@@ -58,6 +58,49 @@ export async function fetchBitmap(name) {
   return fetchEntry(entry);
 }
 
+async function fetchSound(name) {
+  const m = await loadManifest();
+  const entry = m.sounds[name];
+  if (!entry) return null;
+  return fetchEntry(entry);
+}
+
+/**
+ * Build a WAV file from raw MxCh sound data.
+ * Layout: bytes 0-15 = PCMWAVEFORMAT, 16-19 = m_dataSize, 20-23 = m_flags, 24+ = PCM data.
+ * Uses actual available size since sector interleaving may clip the last chunk.
+ */
+function buildWav(buffer) {
+  const dataSize = buffer.byteLength - 24;
+  const wavSize = 44 + dataSize;
+  const wav = new ArrayBuffer(wavSize);
+  const view = new DataView(wav);
+  const bytes = new Uint8Array(wav);
+
+  // RIFF header
+  bytes.set([0x52, 0x49, 0x46, 0x46]); // "RIFF"
+  view.setUint32(4, wavSize - 8, true);
+  bytes.set([0x57, 0x41, 0x56, 0x45], 8); // "WAVE"
+
+  // fmt chunk — copy PCMWAVEFORMAT (16 bytes) directly from source header
+  bytes.set([0x66, 0x6D, 0x74, 0x20], 12); // "fmt "
+  view.setUint32(16, 16, true);
+  bytes.set(new Uint8Array(buffer, 0, 16), 20);
+
+  // data chunk
+  bytes.set([0x64, 0x61, 0x74, 0x61], 36); // "data"
+  view.setUint32(40, dataSize, true);
+  bytes.set(new Uint8Array(buffer, 24, dataSize), 44);
+
+  return wav;
+}
+
+export async function fetchSoundAsWav(name) {
+  const buffer = await fetchSound(name);
+  if (!buffer) return null;
+  return buildWav(buffer);
+}
+
 /**
  * Decode a raw Windows DIB (no BM file header) into RGBA ImageData.
  * Supports 8-bit indexed color only.

src/lib/save-editor/ActorEditor.svelte

@@ -4,6 +4,7 @@
     import { WdbParser, buildGlobalPartsMap, buildPartsMap, resolveLods } from '../../core/formats/WdbParser.js';
     import { ActorInfoInit, ActorPart, ActorDisplayNames, ActorVehicles, VehicleDisplayNames } from '../../core/savegame/actorConstants.js';
     import { Actor } from '../../core/savegame/constants.js';
+    import { fetchSoundAsWav } from '../../core/assetLoader.js';
     import NavButton from '../NavButton.svelte';
     import ResetButton from '../ResetButton.svelte';
     import EditorTooltip from '../EditorTooltip.svelte';
@@ -26,6 +27,39 @@
     let loadedActorKey = null;
     let showVehicle = false;
 
+    let audioContext = null;
+    let gainNode = null;
+    const soundCache = new Map();
+
+    async function playSound(name) {
+        try {
+            if (!audioContext) {
+                audioContext = new AudioContext();
+                gainNode = audioContext.createGain();
+                gainNode.gain.value = 0.3;
+                gainNode.connect(audioContext.destination);
+            }
+            if (audioContext.state === 'suspended') {
+                await audioContext.resume();
+            }
+
+            let audioBuffer = soundCache.get(name);
+            if (!audioBuffer) {
+                const wav = await fetchSoundAsWav(name);
+                if (!wav) return;
+                audioBuffer = await audioContext.decodeAudioData(wav);
+                soundCache.set(name, audioBuffer);
+            }
+
+            const source = audioContext.createBufferSource();
+            source.buffer = audioBuffer;
+            source.connect(gainNode);
+            source.start();
+        } catch (e) {
+            console.error(`Failed to play sound ${name}:`, e);
+        }
+    }
+
     $: actorInfo = ActorInfoInit[actorIndex];
     $: actorName = ActorDisplayNames[actorIndex] || actorInfo?.name || 'Unknown';
     $: charState = slot?.characters?.[actorIndex];
@@ -132,6 +166,7 @@
 
     onDestroy(() => {
         renderer?.dispose();
+        audioContext?.close();
     });
 
     // Reload actor when index, character state, or vehicle toggle changes
@@ -183,6 +218,17 @@
 
         if (!acted) return;
 
+        // Play click sound (Mama plays the *new* sound after cycling)
+        const soundIdx = playerId === Actor.MAMA
+            ? (charState.sound + 1) % 9
+            : charState.sound;
+        playSound(`ClickSound${soundIdx}`);
+
+        // Laura additionally plays a mood sound
+        if (playerId === Actor.LAURA) {
+            playSound(`MoodSound${(charState.mood + 1) % 4}`);
+        }
+
         // Queue click animation — consumed by loadAnimationForActor
         renderer.queueClickAnimation(clickMove);