Game Pausing

Scripts/GameManager.cs

@@ -8,6 +8,8 @@ public partial class GameManager : Node2D
 
 	private PlayerMovement _player;
 	
+	public GameState GameState { get; private set; }
+	
 	public PlayerMovement Player => _player;
 
 	private Node2D _cameraTarget;
@@ -31,6 +33,9 @@ public partial class GameManager : Node2D
 	private Node2D _bulletsContainer;
 	public Node2D BulletsContainer => _bulletsContainer;
 
+	[Signal]
+	public delegate void GameStateChangeEventHandler(GameState state);
+
 	// Called when the node enters the scene tree for the first time.
 	public override void _Ready()
 	{
@@ -64,11 +69,17 @@ public partial class GameManager : Node2D
 
 			_player.InteractableAreaEntered += (interactable) => _hud.UpdateInteractable(interactable);
 		}
+
+		GameState = GameState.Playing;
 	}
 
 	// Called every frame. 'delta' is the elapsed time since the previous frame.
 	public override void _Process(double delta)
 	{
+		if (Input.IsActionJustPressed("pause"))
+		{
+			TogglePause();
+		}
 	}
 
 	public void SpawnPlayer()
@@ -96,4 +107,48 @@ public partial class GameManager : Node2D
 		
 		AddChild(_bulletsContainer);
 	}
+
+	public void TogglePause()
+	{
+		if (GameState == GameState.Paused)
+		{
+			Unpause();
+		}
+		else if (GameState == GameState.Playing)
+		{
+			Pause();
+		}
+	}
+	
+	public void Pause()
+	{
+		if (GameState == GameState.Playing)
+		{
+			ChangeState(GameState.Paused);
+		}
+	}
+
+	public void Unpause()
+	{
+		if (GameState == GameState.Paused)
+		{
+			ChangeState(GameState.Playing);
+		}
+	}
+	
+	public void ChangeState(GameState state)
+	{
+		if (state == GameState) return;
+		GameState = state;
+		EmitSignal(nameof(GameStateChange), (int)GameState);
+		GD.Print($"Game state changed to {state}");
+	}
+}
+
+public enum GameState
+{
+	Menu,
+	Paused,
+	Playing,
+	Dialogue
 }