Fix 1 minor code smell (normally)

Qwirkle/QwirkleClassLibrary/Games/Game.cs

@@ -551,6 +551,35 @@ namespace QwirkleClassLibrary.Games
 
             return false;
         }
+
+        public static bool CheckTileInCompletedLines(Tile? t1, Tile? t2, ref int nbTiles, ref List<Tile> checkdoubles)
+        {
+            if (t1 != null)
+            {
+                nbTiles++;
+
+                if (checkdoubles.Any(t => t.CompareTo(t1) == 0))
+                {
+                    return false;
+                }
+
+                checkdoubles.Add(t1);
+            }
+
+            if (t2 == null) return true;
+            {
+                nbTiles++;
+
+                if (checkdoubles.Any(t => t.CompareTo(t2) == 0))
+                {
+                    return false;
+                }
+
+                checkdoubles.Add(t2);
+            }
+
+            return true;
+        }
         
         public bool CheckWrongCompletedLines(Tile tile, int x, int y, int dx, int dy, Board b, ref List<Tile> checkdoubles)
         {
@@ -566,34 +595,14 @@ namespace QwirkleClassLibrary.Games
                     break;
                 }
                 
-                if (extendedCell?.Tile != null)
-                {
-                    nbTiles++;
-
-                    if(checkdoubles.Any(t => t.CompareTo(extendedCell.Tile) == 0))
-                    {
-                        return false;
-                    }
-
-                    checkdoubles.Add(extendedCell.Tile);
-                }
-
-                if (extendedCell2?.Tile == null) continue;
-                {
-                    nbTiles++;
-
-                    if (checkdoubles.Any(t => t.CompareTo(extendedCell2.Tile) == 0))
-                    {
-                        return false;
-                    }
-                    
-                    checkdoubles.Add(extendedCell2.Tile);
-                }
+                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>
@@ -654,12 +663,10 @@ namespace QwirkleClassLibrary.Games
                 {
                     return false;
                 }
-                
-                if (!CheckWrongCompletedLines(t, x, y, dx, dy, b, ref checkDoubles))
-                {
-                    OnPlaceTile(new PlaceTileNotifiedEventArgs(t, " : You can't complete this line ! (More than 6 tiles / same tiles on the line)"));
-                    return false;
-                }
+
+                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;
             }