Fixed voice over audio only works every second time #126

Assets/Fungus/Narrative/Scripts/Commands/Say.cs

@@ -95,11 +95,6 @@ namespace Fungus
 				sayDialog.ShowDialog(true);
 			}
 
-			if (voiceOverClip != null)
-			{
-				sayDialog.PlayVoiceOver(voiceOverClip);
-			}
-
 			string displayText = storyText;
 
 			foreach (CustomTag ct in CustomTag.activeCustomTags)
@@ -118,7 +113,7 @@ namespace Fungus
 
 			string subbedText = flowchart.SubstituteVariables(displayText);
 
-			sayDialog.Say(subbedText, waitForClick, delegate {
+			sayDialog.Say(subbedText, waitForClick, voiceOverClip, delegate {
 				if (waitForClick)
 				{
 					bool fadingOut = false;

Assets/Fungus/Narrative/Scripts/Dialog.cs

@@ -50,10 +50,7 @@ namespace Fungus
 
 		protected bool wasPointerClicked;
 
-		protected AudioSource voiceOverAudio;
+		public DialogAudio audioController = new DialogAudio();
-
-		// The current target writing volume to move towards 
-		protected float targetWritingVolume; 
 
 		protected virtual void LateUpdate()
 		{
@@ -72,30 +69,6 @@ namespace Fungus
 				wasPointerClicked = true;
 				clickCooldownTimer = 0.2f;
 			}
-
-			// Fade writing sound
-			AudioSource audio = GetComponent<AudioSource>();
-			if (audio != null)
-			{
-				if (audio.volume == 0f &&
-				    targetWritingVolume > 0)
-				{
-					audio.Play();
-				}
-	
-				if (targetWritingVolume > audio.volume)
-				{
-					audio.volume = targetWritingVolume;
-				}
-				else
-				{
-					audio.volume = Mathf.MoveTowards(audio.volume, targetWritingVolume, Time.deltaTime * 8f);
-					if (audio.volume == 0f)
-					{
-						audio.Stop();
-					}
-				}
-			}
 		}
 
 		public virtual void ShowDialog(bool visible)
@@ -119,18 +92,6 @@ namespace Fungus
 			}
 		}
 
-		public virtual void SetTypingSoundVolume(bool audible)
-		{
-			if (audible)
-			{
-				targetWritingVolume = writingVolume;
-			}
-			else
-			{
-				targetWritingVolume = 0f;
-			}
-		}
-
 		public virtual void FadeInDialog()
 		{
 			LeanTween.cancel(dialogCanvas.gameObject);
@@ -294,7 +255,7 @@ namespace Fungus
 			}
 		}
 
-		protected virtual IEnumerator WriteText(string text, Action onWritingComplete, Action onExitTag)
+		protected virtual IEnumerator WriteText(string text, AudioClip voiceOverClip, Action onWritingComplete, Action onExitTag)
 		{
 			storyText.text = "";
 
@@ -319,26 +280,22 @@ namespace Fungus
 			dialogText.slowBeepsAt = slowBeepsAt;
 			dialogText.fastBeepsAt = fastBeepsAt;
 
-			AudioSource typingAudio = GetComponent<AudioSource>();
+			audioController.audioSource = GetComponent<AudioSource>();
-			if (characterTypingSound != null || writingSound != null)
+			audioController.volume = writingVolume;
+			audioController.loop = loopWritingSound;
+			if (voiceOverClip != null)
 			{
-				if (characterTypingSound != null)
+				audioController.audioClip = voiceOverClip;
-				{
+			}
-					typingAudio.clip = characterTypingSound;
+			else if (characterTypingSound != null)
-				}
+			{
-				else if (writingSound != null)
+				audioController.audioClip = characterTypingSound;
-				{
+			}
-					typingAudio.clip = writingSound;
+			else if (writingSound != null)
-				}
+			{
-
+				audioController.audioClip = writingSound;
-				typingAudio.loop = loopWritingSound;
-
-				// Start at full volume
-				typingAudio.volume = writingVolume;
-				SetTypingSoundVolume(true);
-
-				typingAudio.Play();
 			}
+			audioController.Play();
 
 			foreach (Token token in parser.tokens)
 			{
@@ -394,7 +351,7 @@ namespace Fungus
 					OnWaitForInputTag(false);
 					currentSpeed = writingSpeed;
 					dialogText.Clear();
-					StopVoiceOver();
+					audioController.Stop();
 					break;
 					
 				case TokenType.WaitOnPunctuationStart:
@@ -430,7 +387,7 @@ namespace Fungus
 					if (onExitTag != null)
 					{
 						prevStoryText = storyText.text;
-						SetTypingSoundVolume(false);
+						audioController.Stop();
 						onExitTag();
 					}
 					yield break;
@@ -531,7 +488,7 @@ namespace Fungus
 
 			prevStoryText = storyText.text;
 
-			SetTypingSoundVolume(false);
+			audioController.Stop();
 
 			if (onWritingComplete != null)
 			{
@@ -663,24 +620,6 @@ namespace Fungus
 				wasPointerClicked = true;
 			}
 		}
-
-		public virtual void PlayVoiceOver(AudioClip voiceOverSound)
-		{
-			if (voiceOverAudio == null)
-			{
-				voiceOverAudio = gameObject.AddComponent<AudioSource>();
-			}
-			voiceOverAudio.clip = voiceOverSound;
-			voiceOverAudio.Play();
-		}
-
-		public virtual void StopVoiceOver()
-		{
-			if (voiceOverAudio)
-			{
-				Destroy(voiceOverAudio);
-			}
-		}
 	}
 	
 }

Assets/Fungus/Narrative/Scripts/DialogAudio.cs

@@ -0,0 +1,84 @@
+using UnityEngine;
+using System.Collections;
+
+namespace Fungus
+{
+
+	/*
+	 * Helper class to manage play, pause & stop operations on voiceover and writing sound effects
+	 */
+	public class DialogAudio
+	{
+		public AudioSource audioSource;
+		public AudioClip audioClip;
+		public float volume;
+		public bool loop;
+
+		public virtual void Play()
+		{
+			if (audioSource == null ||
+			    audioClip == null)
+			{
+				return;
+			}
+
+			audioSource.clip = audioClip;
+			audioSource.loop = loop;
+
+			// Fade in the audio at start
+			LeanTween.value(audioSource.gameObject, 0f, volume, 0.1f).setOnUpdate( (value) => {
+				audioSource.volume = value;
+			});
+
+			audioSource.Play();
+		}
+
+		public virtual void Pause()
+		{
+			if (audioSource == null)
+			{
+				return;
+			}
+
+			// Fade out the audio
+			// There's an audible click if you call audioSource.Pause() so instead just
+			// drop the volume to 0.
+			LeanTween.value(audioSource.gameObject, volume, 0f, 0.1f).setOnUpdate( (value) => {
+				audioSource.volume = value;
+			});
+		}
+
+		public virtual void Stop()
+		{
+			if (audioSource == null)
+			{
+				return;
+			}
+
+			// Fade out the audio
+			LeanTween.value(audioSource.gameObject, audioSource.volume, 0f, 0.1f).setOnUpdate( (value) => {
+				audioSource.volume = value;
+			}).setOnComplete( () => {
+				// There's an audible click if you call audioSource.Stop() so instead we just switch off
+				// looping and let the audio stop automatically at the end of the clip
+				audioSource.loop = false;
+			});
+		}
+
+		public virtual void Resume()
+		{
+			if (audioSource == null)
+			{
+				return;
+			}
+
+			audioSource.volume = volume;
+			if (!audioSource.isPlaying)
+			{
+				audioSource.loop = loop;
+				audioSource.Play();
+			}
+		}
+	}
+
+}

Assets/Fungus/Narrative/Scripts/DialogAudio.cs.meta

@@ -0,0 +1,12 @@
+fileFormatVersion: 2
+guid: c4782cf42f2644447b9631f6e522160b
+timeCreated: 1439218718
+licenseType: Free
+MonoImporter:
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+  defaultReferences: []
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Assets/Fungus/Narrative/Scripts/DialogText.cs

@@ -38,17 +38,13 @@ namespace Fungus
 
 		public virtual void Append(string words)
 		{
-			AudioSource typingAudio = parentDialog.GetComponent<AudioSource>();
-
 			if (beepPerCharacter && (writingSpeed <= slowBeepsAt || writingSpeed >= fastBeepsAt)) // beeps match character speed at these speeds
+			{
 				oneBeep = true;
+			}
 			else
-				oneBeep = false;
-			if (typingAudio != null)
 			{
-				typingAudio.Stop();
+				oneBeep = false;
-				if (!oneBeep)
-					typingAudio.Play();
 			}
 
 			float hideTimer = 0f;
@@ -130,10 +126,10 @@ namespace Fungus
 
 				if (glyph.hideTimer > 0f)
 				{
-					if (typingAudio != null &&
+					// Don't pause audio on punctuation pause as it's very noticeable and distracting
-					    glyph.hasPunctuationPause)
+					if (glyph.hasPunctuationPause)
 					{
-						parentDialog.SetTypingSoundVolume(false);
+						parentDialog.audioController.Pause();
 					}
 
 					bool finished = false;
@@ -159,10 +155,9 @@ namespace Fungus
 					}
 
 					// Check if we need to restore audio after a punctuation pause
-					if (typingAudio != null &&
+					if (glyph.hideTimer == 0f)
-					    glyph.hideTimer == 0f)
 					{
-						parentDialog.SetTypingSoundVolume(true);
+						parentDialog.audioController.Resume();
 					}
 
 					if (finished)
@@ -172,10 +167,7 @@ namespace Fungus
 				}
 			}
 
-			if (typingAudio != null)
+			parentDialog.audioController.Stop();
-			{
-				parentDialog.SetTypingSoundVolume(false);
-			}
 
 			return true;
 		}

Assets/Fungus/Narrative/Scripts/SayDialog.cs

@@ -43,7 +43,7 @@ namespace Fungus
 			return activeSayDialog;
 		}
 
-		public virtual void Say(string text, bool waitForInput, Action onComplete)
+		public virtual void Say(string text, bool waitForInput, AudioClip voiceOverClip, Action onComplete)
 		{
 			Clear();
 
@@ -57,8 +57,10 @@ namespace Fungus
 						{
 							AudioSource.PlayClipAtPoint(continueSound, Vector3.zero);
 						}
+
 						Clear();
-						StopVoiceOver();
+						audioController.Stop();
+
 						if (onComplete != null)
 						{
 							onComplete();
@@ -83,7 +85,7 @@ namespace Fungus
 				}
 			};
 
-			StartCoroutine(WriteText(text, onWritingComplete, onExitTag));
+			StartCoroutine(WriteText(text, voiceOverClip, onWritingComplete, onExitTag));
 		}
 
 		public override void Clear()

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