Added partial file import and Hints calculation

NonoGramme/Line.cs

@@ -16,7 +16,8 @@ namespace NonoGramme
         public int Length { get => _length; set => _length = value; }
         public List<int> Hints { get => _hints; set => _hints = value; }
 
-        public Line(Tile[] states) {
+        public Line(Tile[] states)
+        {
             //This method will create a new Line wich can then be edited
             Data = states;
             RecalculateHints();
@@ -26,9 +27,9 @@ namespace NonoGramme
             //This method will just create the Line but totally empty
             Length = length;
             Data = new Tile[Length];
-            for (int i = 0; i< Length; i++)
+            for (int i = 0; i < Length; i++)
             {
-                Data[i] = new Tile(); 
+                Data[i] = new Tile();
             }
 
             RecalculateHints();
@@ -52,7 +53,7 @@ namespace NonoGramme
             return result;
         }
         public string GetVerticalHints()
-        { 
+        {
             string result = "";
             foreach (int hint in Hints)
             {
@@ -67,13 +68,40 @@ namespace NonoGramme
         }
         public void RecalculateHints()
         {
-            //This will have to be done, for now its just a placeholder
-            //TO REMOVE !!
             Hints = new List<int>();
-            int count = rnd.Next(1, Data.Count()-1);
-            for (int i = 0;i < count;i++)
+            bool previousTile = false;
+            bool currentTile = false;
+            int counter = 0;
+            for (int i = 0; i < Data.Length; i++)
             {
-                Hints.Add(rnd.Next(1, Data.Count()-1));
+                switch (Data[i].CurrentState)
+                {
+                    case Tile.State.Discovered:
+                    case Tile.State.Empty:
+                    case Tile.State.Full:
+                        currentTile = false;
+                        break;
+                    case Tile.State.Undiscovered:
+                        currentTile = true;
+                        break;
+                }
+                if (currentTile)
+                {
+                    counter++;
+                }
+                if (!currentTile && previousTile)
+                {
+                    //We had a full segment that just finished
+                    Hints.Add(counter);
+                    counter = 0;
+                }
+
+                previousTile = currentTile;
+            }
+            if (currentTile)
+            {
+                //if the last tilke is full then we need to add it at the end
+                Hints.Add(counter);
             }
         }
     }