Fix 1 minor code smell (normally)

Qwirkle/QwirkleClassLibrary/Games/Game.cs

@@ -552,48 +552,57 @@ namespace QwirkleClassLibrary.Games
             return false;
         }
 
-        public bool CheckWrongCompletedLines(Tile tile, int x, int y, int dx, int dy, Board b, ref List<Tile> checkdoubles)
+        public static bool CheckTileInCompletedLines(Tile? t1, Tile? t2, ref int nbTiles, ref List<Tile> checkdoubles)
         {
-            int nbTiles = 1;
-            
-            for (int i = 1; i < 7; i++)
+            if (t1 != null)
             {
-                var extendedCell = b.GetCell(x + i * dx, y + i * dy);
-                var extendedCell2 = b.GetCell(x - i * dx, y - i * dy);
+                nbTiles++;
 
-                if (extendedCell?.Tile == null && extendedCell2?.Tile == null)
+                if (checkdoubles.Any(t => t.CompareTo(t1) == 0))
                 {
-                    break;
+                    return false;
+                }
+
+                checkdoubles.Add(t1);
             }
 
-                if (extendedCell?.Tile != null)
+            if (t2 == null) return true;
             {
                 nbTiles++;
 
-                    if(checkdoubles.Any(t => t.CompareTo(extendedCell.Tile) == 0))
+                if (checkdoubles.Any(t => t.CompareTo(t2) == 0))
                 {
                     return false;
                 }
 
-                    checkdoubles.Add(extendedCell.Tile);
+                checkdoubles.Add(t2);
             }
 
-                if (extendedCell2?.Tile == null) continue;
+            return true;
+        }
+        
+        public bool CheckWrongCompletedLines(Tile tile, int x, int y, int dx, int dy, Board b, ref List<Tile> checkdoubles)
         {
-                    nbTiles++;
+            int nbTiles = 1;
             
-                    if (checkdoubles.Any(t => t.CompareTo(extendedCell2.Tile) == 0))
+            for (int i = 1; i < 7; i++)
             {
-                        return false;
-                    }
+                var extendedCell = b.GetCell(x + i * dx, y + i * dy);
+                var extendedCell2 = b.GetCell(x - i * dx, y - i * dy);
 
-                    checkdoubles.Add(extendedCell2.Tile);
+                if (extendedCell?.Tile == null && extendedCell2?.Tile == null)
+                {
+                    break;
                 }
+                
+                return CheckTileInCompletedLines(extendedCell?.Tile, extendedCell2?.Tile, ref nbTiles, ref checkdoubles);
             }
             
             return nbTiles <= 6;
         }
 
+        
+        
         /// <summary>
         /// Main method to check if the move the player is trying to make is correct
         /// </summary>
@@ -655,12 +664,10 @@ namespace QwirkleClassLibrary.Games
                     return false;
                 }
 
-                if (!CheckWrongCompletedLines(t, x, y, dx, dy, b, ref checkDoubles))
-                {
+                if (CheckWrongCompletedLines(t, x, y, dx, dy, b, ref checkDoubles)) continue;
                 OnPlaceTile(new PlaceTileNotifiedEventArgs(t, " : You can't complete this line ! (More than 6 tiles / same tiles on the line)"));
                 return false;
             }
-            }
 
 
             if (!CheckTilesInLine(cellUsed, b, x, y))