add public string for the test speech and voiceid

Author: unitycoder

Assets/Scenes/espeak.unity

@@ -223,6 +223,7 @@ MonoBehaviour:
   m_Script: {fileID: 11500000, guid: 0896d1324347bd349886948e2acc0cbe, type: 3}
   m_Name: 
   m_EditorClassIdentifier: 
+  sayAtStart: Welcome!
 --- !u!4 &548749181
 Transform:
   m_ObjectHideFlags: 0
@@ -290,6 +291,7 @@ MonoBehaviour:
   m_Script: {fileID: 11500000, guid: 8b7423e13850ebd41a515edd899b7985, type: 3}
   m_Name: 
   m_EditorClassIdentifier: 
+  voiceID: Tweaky
 --- !u!4 &1665498523
 Transform:
   m_ObjectHideFlags: 0

Assets/Scripts/Speech.cs

@@ -12,6 +12,8 @@ namespace UnityLibrary
     [DefaultExecutionOrder(-100)]
     public class Speech : MonoBehaviour
     {
+        public string voiceID = "Tweaky";
+
         // singleton isntance
         public static Speech instance;
 
@@ -30,7 +32,6 @@ void Awake()
             Client.Initialize(datafolder);
 
             // select voice
-            string voiceID = "Tweaky";
             var setvoice = Client.SetVoiceByName(voiceID);
             if (setvoice == false) Debug.Log("Failed settings voice: " + voiceID);
 
@@ -71,10 +72,10 @@ void SpeakerThread()
         // adds string to TTS queue
         public void Say(string msg)
         {
-            if (isClosing == false && isRunning == true)
-            {
-                messages.Enqueue(msg);
-            }
+            if (isClosing == true || isRunning == false) return;
+            if (string.IsNullOrEmpty(msg)) return;
+
+            messages.Enqueue(msg);
         }
 
         private void OnDestroy()

Assets/Scripts/TestSpeech.cs

@@ -3,11 +3,13 @@
 
 public class TestSpeech : MonoBehaviour
 {
+    public string sayAtStart = "Welcome!";
+
     // Start is called before the first frame update
     void Start()
     {
         // TEST speech
-        Speech.instance.Say("Welcome!");
+        Speech.instance.Say(sayAtStart);
     }
 
     // Update is called once per frame