Initial commit

2025-04-01 08:37:41 +02:00
commit 39c1b6ff0a
59 changed files with 14076 additions and 0 deletions
@@ -0,0 +1,106 @@
+/**
+ * Text-to-Speech Handler for AI Interactive Fiction
+ * Uses Web Speech API for text-to-speech
+ */
+class TTSHandler {
+  constructor() {
+    this.enabled = false;
+    this.speaking = false;
+    this.queue = [];
+    this.synthesis = window.speechSynthesis;
+    this.utterance = null;
+    
+    // Check if browser supports speech synthesis
+    if (this.synthesis) {
+      console.log('Speech synthesis is supported in this browser');
+      this.browserSupport = true;
+    } else {
+      console.warn('Speech synthesis is not supported in this browser');
+      this.browserSupport = false;
+    }
+  }
+
+  /**
+   * Toggle TTS on/off
+   */
+  toggle() {
+    this.enabled = !this.enabled;
+    if (!this.enabled && this.speaking) {
+      this.stop();
+    }
+    return this.enabled;
+  }
+
+  /**
+   * Speak the given text
+   */
+  speak(text) {
+    if (!this.enabled || !this.browserSupport) return;
+    
+    // Add to queue
+    this.queue.push(text);
+    
+    // If not already speaking, start processing queue
+    if (!this.speaking) {
+      this.processQueue();
+    }
+  }
+
+  /**
+   * Process the speech queue
+   */
+  processQueue() {
+    if (this.queue.length === 0 || this.speaking) return;
+    
+    this.speaking = true;
+    const text = this.queue.shift();
+    
+    try {
+      this.utterance = new SpeechSynthesisUtterance(text);
+      
+      // Configure speech options
+      this.utterance.rate = 1.0;  // Speech rate (0.1 to 10)
+      this.utterance.pitch = 1.0; // Speech pitch (0 to 2)
+      
+      // When speech ends, process the next item
+      this.utterance.onend = () => {
+        this.speaking = false;
+        this.processQueue();
+      };
+      
+      // If speech is interrupted or errors
+      this.utterance.onerror = (event) => {
+        console.error('TTS error:', event.error);
+        this.speaking = false;
+        this.processQueue();
+      };
+      
+      this.synthesis.speak(this.utterance);
+    } catch (error) {
+      console.error('TTS error:', error);
+      this.speaking = false;
+      this.processQueue();
+    }
+  }
+
+  /**
+   * Stop current speech
+   */
+  stop() {
+    if (this.synthesis && this.speaking) {
+      this.synthesis.cancel();
+    }
+    this.queue = [];
+    this.speaking = false;
+  }
+
+  /**
+   * Check if TTS is ready
+   */
+  isReady() {
+    return this.browserSupport;
+  }
+}
+
+// Create a global instance
+const tts = new TTSHandler();