Added 3 level deep variation to VariationText demo scene

TextVariation now passes down the current key hash to better prevent hash collisions on sub sections being very similar

Assets/Fungus/Scripts/Utils/TextVariationHandler.cs

@@ -163,8 +163,14 @@ namespace Fungus
             return varyingSections.Count > 0;
         }
 
-
-        static public string SelectVariations(string input)
+        /// <summary>
+        /// Uses the results of a run of tokenisation to choose the appropriate elements
+        /// </summary>
+        /// <param name="input"></param>
+        /// <param name="parentHash">When called recursively, we pass down the current objects hash so as to 
+        /// avoid similar sub /sub sub/ etc. variations</param>
+        /// <returns></returns>
+        static public string SelectVariations(string input, int parentHash = 0)
         {
             // Match the regular expression pattern against a text string.
             List<Section> sections = new List<Section>();
@@ -184,7 +190,7 @@ namespace Fungus
 
                 //fetched hashed value
                 int index = -1;
-                int key = input.GetHashCode() ^ curSection.entire.GetHashCode();
+                int key = input.GetHashCode() ^ curSection.entire.GetHashCode() ^ parentHash;
 
                 int foundVal = 0;
                 if (hashedSections.TryGetValue(key, out foundVal))
@@ -200,7 +206,7 @@ namespace Fungus
                 hashedSections[key] = index;
 
                 //handle sub vary within selected section
-                selected = SelectVariations(selected);
+                selected = SelectVariations(selected, key);
 
                 //update with selecton
                 sb.Replace(curSection.entire, selected);

Assets/FungusExamples/VariationText/TextVariation.unity

@@ -942,10 +942,8 @@ MonoBehaviour:
     y: -340
     width: 1114
     height: 859
-  selectedBlocks:
-  - {fileID: 1755499608}
-  selectedCommands:
-  - {fileID: 1755499607}
+  selectedBlocks: []
+  selectedCommands: []
   variables: []
   description: 
   stepPause: 0
@@ -972,7 +970,7 @@ MonoBehaviour:
   indentLevel: 0
   conversationText:
     stringRef: {fileID: 0}
-    stringVal: 'john calling-neutral left: [Good [~morning|day], it''s John|Hmm|[~Yes,
+    stringVal: 'john calling-neutral left: [[~Good [~morning|day]|Hey], it''s John|Hmm|[~Yes,
       still|I''m|We''re] here].
 
       sherlock explaining right: [!Who are you talking to?||Still at it, I see.] We
@@ -1076,8 +1074,8 @@ MonoBehaviour:
   m_EditorClassIdentifier: 
   itemId: 3
   indentLevel: 0
-  storyText: '[&I''m not sure|He doesn''t seem to be doing well|Sherlock, please put
-    some pants on].'
+  storyText: '[&I''m not so sure[~ about that Sherlock||]|He doesn''t seem to be doing
+    well|[~Sherlock, p|P]lease put some pants on].'
   description: 
   character: {fileID: 275029863}
   portrait: {fileID: 0}
@@ -1174,7 +1172,7 @@ MonoBehaviour:
   itemId: 11
   indentLevel: 0
   storyText: Alright Sherlock, [~let's go through it again|seriously, pants|let's
-    sit down|let's get some breakfast and then get to the logic].
+    [~sit down|let's get some [~breakfast|tea]] and then get to the logic].
   description: 
   character: {fileID: 0}
   portrait: {fileID: 0}