[Fix] Flag bug

Assets/Scenes/SampleScene.unity

@@ -311,30 +311,6 @@ MonoBehaviour:
   m_Script: {fileID: 11500000, guid: 1c906a10872edd04480e534703fc4fea, type: 3}
   m_Name: 
   m_EditorClassIdentifier: Assembly-CSharp::Minesweeper.Presentation.Views.GameView
-  gameRoot: {fileID: 289057768}
-  pauseRoot: {fileID: 0}
-  resultRoot: {fileID: 0}
-  boardPanel: {fileID: 0}
-  gridLayoutGroup: {fileID: 0}
-  pauseButton: {fileID: 0}
-  restartButton: {fileID: 0}
-  resumeButton: {fileID: 0}
-  mainMenuButton: {fileID: 0}
-  resultRestartButton: {fileID: 0}
-  resultMainMenuButton: {fileID: 0}
-  resultText: {fileID: 0}
-  timerText: {fileID: 751542998}
-  mineText: {fileID: 805410199}
-  uiConfig: {fileID: 0}
-  boardInputEnabled: 1
-  currentRevealUnflaggedMines: 0
-  resizeRefreshPending: 0
-  currentBoardWidth: 0
-  currentBoardHeight: 0
-  currentContentPadding: 1
-  currentPixelsPerUnitMultiplier: 1
-  resizeStableAt: 0
-  lastObservedLayoutSize: {x: 0, y: 0}
 --- !u!1 &519420028
 GameObject:
   m_ObjectHideFlags: 0
@@ -556,28 +532,6 @@ Transform:
   m_Children: []
   m_Father: {fileID: 0}
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
---- !u!114 &751542998 stripped
-MonoBehaviour:
-  m_CorrespondingSourceObject: {fileID: 2799103337096245725, guid: 212298b6cdb61bb41bcf765ca9467ef2, type: 3}
-  m_PrefabInstance: {fileID: 1980798338579462618}
-  m_PrefabAsset: {fileID: 0}
-  m_GameObject: {fileID: 0}
-  m_Enabled: 1
-  m_EditorHideFlags: 0
-  m_Script: {fileID: 11500000, guid: f4688fdb7df04437aeb418b961361dc5, type: 3}
-  m_Name: 
-  m_EditorClassIdentifier: Unity.TextMeshPro::TMPro.TextMeshProUGUI
---- !u!114 &805410199 stripped
-MonoBehaviour:
-  m_CorrespondingSourceObject: {fileID: 823287330887192061, guid: 212298b6cdb61bb41bcf765ca9467ef2, type: 3}
-  m_PrefabInstance: {fileID: 1980798338579462618}
-  m_PrefabAsset: {fileID: 0}
-  m_GameObject: {fileID: 0}
-  m_Enabled: 1
-  m_EditorHideFlags: 0
-  m_Script: {fileID: 11500000, guid: f4688fdb7df04437aeb418b961361dc5, type: 3}
-  m_Name: 
-  m_EditorClassIdentifier: Unity.TextMeshPro::TMPro.TextMeshProUGUI
 --- !u!224 &1101876292 stripped
 RectTransform:
   m_CorrespondingSourceObject: {fileID: 3873756121358901088, guid: 212298b6cdb61bb41bcf765ca9467ef2, type: 3}
@@ -631,10 +585,10 @@ MonoBehaviour:
   uiConfig: {fileID: 11400000, guid: c8b7785713c7c8b49b853f7e5028a4fa, type: 2}
   contentRoot: {fileID: 1373940536}
   topPanelView: {fileID: 1101876296}
-  mainMenuViewPrefab: {fileID: 0}
+  mainMenuViewPrefab: {fileID: 5456992800552396061, guid: 66407cd7142d6a945b37ca8dc5e7c6b7, type: 3}
-  boardViewPrefab: {fileID: 0}
+  boardViewPrefab: {fileID: -4096144217532421454, guid: 91c5885a4fbe47540abf4bfd814a32d0, type: 3}
-  pauseViewPrefab: {fileID: 0}
+  pauseViewPrefab: {fileID: 7010459690024596299, guid: ec358f6fec19e3b469f516bd1ade70cd, type: 3}
-  resultViewPrefab: {fileID: 0}
+  resultViewPrefab: {fileID: -2277025653673582644, guid: 73d5a09dc8885e64a8c20a68ea82c5dc, type: 3}
 --- !u!4 &1287266282
 Transform:
   m_ObjectHideFlags: 0

Assets/Scripts/Core/BoardService.cs

@@ -251,12 +251,13 @@ namespace Minesweeper.Core
             while (queue.Count > 0)
             {
                 var cell = queue.Dequeue();
-                if (visited[cell.X, cell.Y] || cell.IsMine || cell.IsFlagged)
+                if (visited[cell.X, cell.Y] || cell.IsMine)
                 {
                     continue;
                 }
 
                 visited[cell.X, cell.Y] = true;
+                ClearFlag(cell);
                 OpenSafeCell(cell);
 
                 if (cell.NeighborMines != 0)
@@ -274,7 +275,7 @@ namespace Minesweeper.Core
                         }
 
                         var neighbor = cells[x, y];
-                        if (!visited[x, y] && !neighbor.IsMine && !neighbor.IsFlagged && !neighbor.IsOpened)
+                        if (!visited[x, y] && !neighbor.IsMine && !neighbor.IsOpened)
                         {
                             queue.Enqueue(neighbor);
                         }
@@ -295,6 +296,17 @@ namespace Minesweeper.Core
             AddChangedCell(cell);
         }
 
+        private void ClearFlag(CellData cell)
+        {
+            if (!cell.IsFlagged)
+            {
+                return;
+            }
+
+            cell.IsFlagged = false;
+            FlaggedCellsCount--;
+        }
+
         private void AddChangedCell(CellData cell)
         {
             changedCells.Add(ToData(cell));