Initial commit

Assets/Scripts/GameManager.cs

@@ -0,0 +1,66 @@
+using UnityEngine;
+using UnityEngine.Events;
+
+public class GameManager : MonoBehaviour
+{
+    public enum GameState
+    {
+        BuildingPath,
+        BuildingTurrets,
+        Level
+    }
+    
+    [SerializeField] private Level[] _levels;
+    [SerializeField] private SandPathBuildService _pathBuildService;
+    [SerializeField] private UnityEvent<GameState> _onStateChanged;
+    [SerializeField] private UnityEvent<Level> _onLevelChanged;
+
+    public event UnityAction<GameState> OnStateChanged
+    {
+        add => _onStateChanged.AddListener(value);
+        remove => _onStateChanged.RemoveListener(value);
+    }
+
+    public event UnityAction<Level> OnLevelChanged
+    {
+        add => _onLevelChanged.AddListener(value);
+        remove => _onLevelChanged.RemoveListener(value);
+    }
+
+    private int _currentLvlIndex = -1;
+
+    private GameState _currentState = GameState.BuildingPath;
+
+    public GameState CurrentState
+    {
+        get => _currentState;
+        set
+        {
+            _currentState = value;
+            _onStateChanged?.Invoke(value);
+        }
+    }
+    
+    //public Level CurrentLevel => _levels[_currentLvlIndex];
+
+    private void OnEnable()
+    {
+        _pathBuildService.OnBuildComplete += OnBuildComplete;
+    }
+    private void OnDisable()
+    {
+        _pathBuildService.OnBuildComplete -= OnBuildComplete;
+    }
+
+    private void OnBuildComplete()
+    {
+        CurrentState = GameState.BuildingTurrets;
+    }
+
+    public void NextLevel()
+    {
+        _currentLvlIndex = (_currentLvlIndex + 1) % _levels.Length;
+        CurrentState = GameState.Level;
+        _onLevelChanged?.Invoke(_levels[_currentLvlIndex]);
+    }
+}