Добавил возможность удалять путь во время строительства

Assets/Scripts/BlockDestoyReward.cs

@@ -16,8 +16,11 @@ public class BlockDestoyReward : MonoBehaviour
         _sandPathBuildService.OnBlockDestroy -= OnBlockDestroy;
     }
 
-    private void OnBlockDestroy(BlockScript _)
+    private void OnBlockDestroy(BlockScript block)
     {
-        _wallet.AddMoney(_reward);
+        if (block.Type == BlockScript.BlockType.Grass)
+            _wallet.AddMoney(_reward);
+        else if (block.Type == BlockScript.BlockType.Sand)
+            _wallet.TakeMoney(_reward);
     }
 }

Assets/Scripts/SandPathBuildService.cs

@@ -60,17 +60,37 @@ public class SandPathBuildService : MonoBehaviour
         {
             var block = _blocksInPath[i];
             Instantiate(_grassBlockPrefab, block.transform.position, block.transform.localRotation, block.transform.parent);
-            Destroy(block.gameObject);
+            DestroyBlock(block);
         }
 
         _blocksInPath.Clear();
         InitBlocks();
     }
 
+    public void ResetLastBlock()
+    {
+        if (_predefinedBlocks.Contains(_currentBlock))
+            return;
+
+        _blocksInPath.Remove(_currentBlock);
+        Instantiate(_grassBlockPrefab,
+            _currentBlock.transform.position,
+            _currentBlock.transform.localRotation,
+            _currentBlock.transform.parent);
+        DestroyBlock(_currentBlock);
+
+        _currentBlock = _blocksInPath.LastOrDefault();
+    }
+
     private void OnBlockDetected(BlockScript block)
     {
         if (_gameManager.CurrentState != GameManager.GameState.BuildingPath)
             return;
+        if (block == _currentBlock)
+        {
+            ResetLastBlock();
+            return;
+        }
         if (!block.CompareTag("GrassBlock") ||
             !_currentBlock.GetNeighbors().Contains(block) ||
             block.GetNeighbors().Count((o) => o.Type == BlockScript.BlockType.Sand) > 1)

Assets/Scripts/UI/GameMenuButtons.cs

@@ -5,7 +5,6 @@ public class GameMenuButtons : MonoBehaviour
 {
     [SerializeField] private GameManager _gameManager;
     [SerializeField] private SandPathBuildService _sandPathBuildService;
-    [SerializeField] private Wallet _wallet;
     [SerializeField] private Button _mainMenuButton;
     [SerializeField] private Button _nextLevelButton;
     [SerializeField] private Button _resetPathButton;
@@ -49,7 +48,6 @@ public class GameMenuButtons : MonoBehaviour
     private void OnResetButtonClick()
     {
         _sandPathBuildService.ResetPath();
-        _wallet.TakeMoney(_wallet.Money);
         _gameManager.CurrentState = GameManager.GameState.BuildingPath;
     }