Merge latets integrated changes

ink-engine-runtime/CallStack.cs

@@ -56,7 +56,7 @@ public Element(PushPopType type, Container container, int contentIndex, bool inE
             public Element Copy()
             {
                 var copy = new Element (this.type, this.currentContainer, this.currentContentIndex, this.inExpressionEvaluation);
-                copy.temporaryVariables = this.temporaryVariables;
+                copy.temporaryVariables = new Dictionary<string,Object>(this.temporaryVariables);
                 return copy;
             }
         }
@@ -246,7 +246,7 @@ public void PopThread()
             if (canPopThread) {
                 _threads.Remove (currentThread);
             } else {
-                Debug.Fail ("Can't pop thread");
+				throw new System.Exception("Can't pop thread");
             }
         }
 
@@ -280,7 +280,7 @@ public void Pop(PushPopType? type = null)
                 callStack.RemoveAt (callStack.Count - 1);
                 return;
             } else {
-                Debug.Fail ("Mismatched push/pop in Callstack");
+				throw new System.Exception("Mismatched push/pop in Callstack");
             }
         }
 

ink-engine-runtime/ControlCommand.cs

@@ -19,6 +19,8 @@ public enum CommandType
             NoOp,
             ChoiceCount,
             TurnsSince,
+            Random,
+            SeedRandom,
             VisitIndex,
             SequenceShuffleIndex,
             StartThread,
@@ -100,6 +102,16 @@ public static ControlCommand TurnsSince() {
             return new ControlCommand(CommandType.TurnsSince);
         }
 
+        public static ControlCommand Random ()
+        {
+            return new ControlCommand (CommandType.Random);
+        }
+
+        public static ControlCommand SeedRandom ()
+        {
+            return new ControlCommand (CommandType.SeedRandom);
+        }
+
         public static ControlCommand VisitIndex() {
             return new ControlCommand(CommandType.VisitIndex);
         }

ink-engine-runtime/JsonSerialisation.cs

@@ -544,6 +544,8 @@ static Json()
             _controlCommandNames [(int)ControlCommand.CommandType.NoOp] = "nop";
             _controlCommandNames [(int)ControlCommand.CommandType.ChoiceCount] = "choiceCnt";
             _controlCommandNames [(int)ControlCommand.CommandType.TurnsSince] = "turns";
+            _controlCommandNames [(int)ControlCommand.CommandType.Random] = "rnd";
+            _controlCommandNames [(int)ControlCommand.CommandType.SeedRandom] = "srnd";
             _controlCommandNames [(int)ControlCommand.CommandType.VisitIndex] = "visit";
             _controlCommandNames [(int)ControlCommand.CommandType.SequenceShuffleIndex] = "seq";
             _controlCommandNames [(int)ControlCommand.CommandType.StartThread] = "thread";

ink-engine-runtime/Object.cs

@@ -152,8 +152,7 @@ internal Path ConvertPathToRelative(Path globalPath)
             for (int down = lastSharedPathCompIndex + 1; down < globalPath.components.Count; ++down)
                 newPathComps.Add (globalPath.components [down]);
 
-            var relativePath = new Path (newPathComps);
-            relativePath.isRelative = true;
+            var relativePath = new Path (newPathComps, relative:true);
             return relativePath;
         }
 

ink-engine-runtime/Path.cs

@@ -79,7 +79,7 @@ public override int GetHashCode ()
 
 		public List<Component> components { get; private set; }
 
-        public bool isRelative { get; set; }
+        public bool isRelative { get; private set; }
 
 		public Component head 
 		{ 
@@ -145,9 +145,10 @@ public Path(Component head, Path tail) : this()
 			components.AddRange (tail.components);
 		}
 
-		public Path(IEnumerable<Component> components) : this()
+		public Path(IEnumerable<Component> components, bool relative = false) : this()
 		{
 			this.components.AddRange (components);
+            this.isRelative = relative;
 		}
 
         public Path(string componentsString) : this()
@@ -195,18 +196,25 @@ public string componentsString {
                 else
                     return compsStr;
             }
-            set {
+            private set {
                 components.Clear ();
 
                 var componentsStr = value;
 
+                // Empty path, empty components
+                // (path is to root, like "/" in file system)
+                if (string.IsNullOrEmpty(componentsStr))
+                    return;
+
                 // When components start with ".", it indicates a relative path, e.g.
                 //   .^.^.hello.5
                 // is equivalent to file system style path:
                 //  ../../hello/5
                 if (componentsStr [0] == '.') {
-                    isRelative = true;
+                    this.isRelative = true;
                     componentsStr = componentsStr.Substring (1);
+                } else {
+                    this.isRelative = false;
                 }
 
                 var componentStrings = componentsStr.Split('.');

ink-engine-runtime/SimpleJson.cs

@@ -42,39 +42,28 @@ object ReadObject ()
             {
                 var currentChar = _text [_offset];
 
-                object obj = null;
-                switch (currentChar) {
-                case '{':
-                    obj = ReadDictionary ();
-                    break;
-                case '[':
-                    obj = ReadArray ();
-                    break;
-                case '"':
-                    obj = ReadString ();
-                    break;
-                default:
-                    if (IsNumberChar(currentChar)) {
-                        obj = ReadNumber ();
-                        break;
-                    }
+                if( currentChar == '{' )
+                    return ReadDictionary ();
+
+                else if (currentChar == '[')
+                    return ReadArray ();
 
-                    if (TryRead ("true")) {
-                        return true;
-                    }
+                else if (currentChar == '"')
+                    return ReadString ();
 
-                    if (TryRead ("false")) {
-                        return false;
-                    }
+                else if (IsNumberChar(currentChar))
+                    return ReadNumber ();
 
-                    if (TryRead ("null")) {
-                        return null;
-                    }
+                else if (TryRead ("true"))
+                    return true;
 
-                    throw new System.Exception ("Unhandled object type in JSON: "+_text.Substring (_offset, 30));
-                }
+                else if (TryRead ("false"))
+                    return false;
 
-                return obj;
+                else if (TryRead ("null"))
+                    return null;
+
+                throw new System.Exception ("Unhandled object type in JSON: "+_text.Substring (_offset, 30));
             }
 
             Dictionary<string, object> ReadDictionary ()
@@ -91,6 +80,8 @@ Dictionary<string, object> ReadDictionary ()
 
                 do {
 
+                    SkipWhitespace ();
+
                     // Key
                     var key = ReadString ();
                     Expect (key != null, "dictionary key");
@@ -111,14 +102,7 @@ Dictionary<string, object> ReadDictionary ()
 
                     SkipWhitespace ();
 
-                    if (TryRead (",")) {
-                        SkipWhitespace ();
-                        continue;
-                    } else {
-                        break;
-                    }
-
-                } while (true);
+                } while ( TryRead (",") );
 
                 Expect ("}");
 
@@ -139,6 +123,8 @@ List<object> ReadArray ()
 
                 do {
 
+                    SkipWhitespace ();
+
                     // Value
                     var val = ReadObject ();
 
@@ -147,14 +133,7 @@ List<object> ReadArray ()
 
                     SkipWhitespace ();
 
-                    if (TryRead (",")) {
-                        SkipWhitespace ();
-                        continue;
-                    } else {
-                        break;
-                    }
-
-                } while (true);
+                } while (TryRead (","));
 
                 Expect ("]");