Continue image displays when waiting for user input

Say Dialog sets to 0 alpha at start

Assets/Fungus/Narrative/Scripts/SayDialog.cs

@@ -15,6 +15,8 @@ namespace Fungus
 		public Image continueImage;
 		public AudioClip continueSound;
 
+		protected Writer writer;
+
 		public static SayDialog GetSayDialog()
 		{
 			if (activeSayDialog == null)
@@ -43,41 +45,38 @@ namespace Fungus
 			return activeSayDialog;
 		}
 
-		protected virtual void Start()
+		protected Writer GetWriter()
 		{
-			CanvasGroup canvasGroup = dialogCanvas.GetComponent<CanvasGroup>();
-			canvasGroup.alpha = 0f;
-		}
+			if (writer != null)
+			{
+				return writer;
+			}
 
-		public virtual void Say(string text, bool clearPrevious, bool waitForInput, AudioClip voiceOverClip, Action onComplete)
-		{
-			Writer writer = GetComponent<Writer>();
+			writer = GetComponent<Writer>();
 			if (writer == null)
 			{
 				writer = gameObject.AddComponent<Writer>();
 			}
 
-			ShowContinueImage(false);
-
-			writer.Write(text, clearPrevious, waitForInput, onComplete);
+			return writer;
 		}
 
-		public override void Clear()
+		protected virtual void Start()
 		{
-			base.Clear();
-			ShowContinueImage(false);
+			CanvasGroup canvasGroup = dialogCanvas.GetComponent<CanvasGroup>();
+			canvasGroup.alpha = 0f;
 		}
 
-		protected virtual void OnWaitForInputTag(bool waiting)
+		public virtual void Say(string text, bool clearPrevious, bool waitForInput, AudioClip voiceOverClip, Action onComplete)
 		{
-			ShowContinueImage(waiting);
+			GetWriter().Write(text, clearPrevious, waitForInput, onComplete);
 		}
 
-		protected virtual void ShowContinueImage(bool visible)
+		protected virtual void Update()
 		{
 			if (continueImage != null)
 			{
-				continueImage.enabled = visible;
+				continueImage.enabled = GetWriter().isWaitingForInput;
 			}
 		}
 	}

Assets/Fungus/UI/Scripts/Writer.cs

@@ -9,12 +9,25 @@ namespace Fungus
 
 	public class Writer : MonoBehaviour, IDialogInputListener
 	{
+		[Tooltip("Gameobject containing a Text, Inout Field or Text Mesh object to write to")]
 		public GameObject targetTextObject;
+
+		[Tooltip("Writing characters per second")]
 		public float writingSpeed = 60;
+
+		[Tooltip("Pause duration for punctuation characters")]
 		public float punctuationPause = 0.25f;
+
+		[Tooltip("Color of text that has not been revealed yet")]
 		public Color hiddenTextColor = new Color(1,1,1,0);
+
+		[Tooltip("Write one word at a time rather one character at a time")]
 		public bool writeWholeWords = false;
-		
+
+		// This property is true when the writer is waiting for user input to continue
+		[System.NonSerialized]
+		public bool isWaitingForInput;
+
 		protected float currentWritingSpeed;
 		protected float currentPunctuationPause;
 		protected Text textUI;
@@ -498,10 +511,12 @@ namespace Fungus
 		
 		protected virtual IEnumerator DoWaitForInput(bool clear)
 		{
+			isWaitingForInput = true;
 			while (!inputFlag)
 			{
 				yield return null;
 			}
+			isWaitingForInput = false;
 			
 			inputFlag = false;