Speak dialogue with persistent character voices

voice.js

@@ -44,6 +44,16 @@
     catch (_) { return false; }
   }
 
+  function characterVoiceProfile(voiceIdentity, characterId = '') {
+    const identity = ['masculine', 'feminine', 'neutral'].includes(voiceIdentity) ? voiceIdentity : 'neutral';
+    let hash = 2166136261;
+    for (const char of String(characterId)) hash = Math.imul(hash ^ char.charCodeAt(0), 16777619) >>> 0;
+    const variation = (hash % 1000) / 1000;
+    if (identity === 'masculine') return {pitch: 0.88 + variation * 0.08, rate: 0.96 + variation * 0.04};
+    if (identity === 'feminine') return {pitch: 1.06 + variation * 0.08, rate: 0.98 + variation * 0.04};
+    return {pitch: 0.98 + variation * 0.04, rate: 1};
+  }
+
   function createVoiceController(options = {}) {
     const win = options.window || root;
     const onState = options.onState || (() => {});
@@ -163,8 +173,11 @@
       catch (_) { setState('IDLE', 'Talsyntesen kunde inte startas. Dialogen finns kvar som text.'); return false; }
       utterance.lang = settings.language || 'sv-SE';
       const profile = voiceOptions.characterId ? settings.speakerProfiles?.[voiceOptions.characterId] || {} : {};
-      utterance.rate = Math.min(2, Math.max(0.5, Number(voiceOptions.rate ?? profile.rate ?? settings.rate) || 1));
-      utterance.pitch = Math.min(2, Math.max(0, Number(voiceOptions.pitch ?? profile.pitch ?? 1) || 1));
+      const identityProfile = characterVoiceProfile(voiceOptions.voiceIdentity, voiceOptions.characterId);
+      const isNarrator = voiceOptions.role === 'narrator';
+      const configuredRate = Number(voiceOptions.rate ?? profile.rate ?? settings.rate) || 1;
+      utterance.rate = Math.min(2, Math.max(0.5, configuredRate * (isNarrator || voiceOptions.rate != null || profile.rate != null ? 1 : identityProfile.rate)));
+      utterance.pitch = isNarrator ? 1 : Math.min(2, Math.max(0, Number(voiceOptions.pitch ?? profile.pitch ?? identityProfile.pitch) || 1));
       const requestedName = voiceOptions.voiceName || profile.voiceName || settings.voiceName;
       const voices = availableVoices();
       utterance.voice = voices.find(voice => voice.name === requestedName)
@@ -205,5 +218,5 @@
     return {startListening, stopListening, speak, cancelSpeech, stopAll, update, getState, getSettings, getVoices, supportsRecognition};
   }
 
-  root.GameVoice = {createVoiceController, DEFAULT_SETTINGS, parseVoiceCommand, loadSettings, saveSettings};
+  root.GameVoice = {createVoiceController, DEFAULT_SETTINGS, parseVoiceCommand, loadSettings, saveSettings, characterVoiceProfile};
 })(typeof window !== 'undefined' ? window : globalThis);