From 862b399fa37e6ca692d38177a22ee34860d2251e Mon Sep 17 00:00:00 2001
From: Matheus <matheus.guedes.mg.m@gmail.com>
Date: Mon, 15 Sep 2025 20:00:47 -0300
Subject: Menu principal

---
 scripts/Entities/Actions/EscapeAction.cs       | 13 ++++++
 scripts/Entities/Actions/EscapeAction.cs.uid   |  1 +
 scripts/GUI/Details.cs                         | 34 ++++++++++++---
 scripts/GUI/MainMenu.cs                        | 46 ++++++++++++++++++++
 scripts/GUI/MainMenu.cs.uid                    |  1 +
 scripts/GUI/MessageLog.cs                      | 17 +++++++-
 scripts/Game.cs                                | 21 +++++++++
 scripts/GameManager.cs                         | 59 ++++++++++++++++++++++++++
 scripts/GameManager.cs.uid                     |  1 +
 scripts/InputHandling/CastSpellInputHandler.cs | 17 +++++++-
 scripts/InputHandling/GameOverInputHandler.cs  |  8 +++-
 scripts/InputHandling/InputHandler.cs          |  9 ++++
 scripts/InputHandling/MainGameInputHandler.cs  |  5 +++
 scripts/Utils/MessageLogData.cs                |  2 +-
 scripts/Utils/SignalBus.cs                     |  3 ++
 15 files changed, 227 insertions(+), 10 deletions(-)
 create mode 100644 scripts/Entities/Actions/EscapeAction.cs
 create mode 100644 scripts/Entities/Actions/EscapeAction.cs.uid
 create mode 100644 scripts/GUI/MainMenu.cs
 create mode 100644 scripts/GUI/MainMenu.cs.uid
 create mode 100644 scripts/GameManager.cs
 create mode 100644 scripts/GameManager.cs.uid

(limited to 'scripts')

diff --git a/scripts/Entities/Actions/EscapeAction.cs b/scripts/Entities/Actions/EscapeAction.cs
new file mode 100644
index 0000000..cc5d289
--- /dev/null
+++ b/scripts/Entities/Actions/EscapeAction.cs
@@ -0,0 +1,13 @@
+using TheLegendOfGustav.Entities.Actors;
+using TheLegendOfGustav.Utils;
+
+namespace TheLegendOfGustav.Entities.Actions;
+
+public partial class EscapeAction(Actor actor) : Action(actor)
+{
+	public override bool Perform()
+	{
+		SignalBus.Instance.EmitSignal(SignalBus.SignalName.EscapeRequested);
+		return false;
+	}
+}
\ No newline at end of file
diff --git a/scripts/Entities/Actions/EscapeAction.cs.uid b/scripts/Entities/Actions/EscapeAction.cs.uid
new file mode 100644
index 0000000..380f369
--- /dev/null
+++ b/scripts/Entities/Actions/EscapeAction.cs.uid
@@ -0,0 +1 @@
+uid://dtxw6x1naf3oc
diff --git a/scripts/GUI/Details.cs b/scripts/GUI/Details.cs
index 3c64427..3ead3a9 100644
--- a/scripts/GUI/Details.cs
+++ b/scripts/GUI/Details.cs
@@ -8,31 +8,53 @@ namespace TheLegendOfGustav.GUI;
 public partial class Details : CanvasLayer
 {
 	private static readonly LabelSettings lblSettings = GD.Load<LabelSettings>("res://assets/definitions/message_label_settings.tres");
-	
-	private Map.Map Map { get; set; }
+
+	[Export]
+	private Map.Map map;
 	private VBoxContainer EntityNames { get; set; }
 	private Godot.Collections.Array<Entity> Entities { get; set; } = [];
 
 	private Godot.Collections.Array<Label> ActorsLabel { get; set; } = [];
 
+	private SignalBus.EnterInspectionModeEventHandler enterLambda;
+	private SignalBus.ExitInspectionModeEventHandler exitLambda;
+
 	public override void _Ready()
 	{
 		base._Ready();
-		Map = GetParent<Map.Map>();
 		EntityNames = GetNode<VBoxContainer>("HBoxContainer/PanelContainer/ScrollContainer/Entities");
 
+		enterLambda = () => Visible = true;
+		exitLambda = () => Visible = false;
 		SignalBus.Instance.InspectorMoved += OnInspectorWalk;
-		SignalBus.Instance.EnterInspectionMode += () => Visible = true;
-		SignalBus.Instance.ExitInspectionMode += () => Visible = false;
+		SignalBus.Instance.EnterInspectionMode += enterLambda;
+		SignalBus.Instance.ExitInspectionMode += exitLambda;
 	}
 
 	public void OnInspectorWalk(Vector2I pos)
 	{
-		MapData mapData = Map.MapData;
+		MapData mapData = map.MapData;
 		Entities = mapData.GetEntitiesAtPosition(pos);
 		UpdateLabels();
 	}
 
+	public override void _Notification(int what)
+	{
+		if (what == NotificationPredelete)
+		{
+			SignalBus.Instance.InspectorMoved -= OnInspectorWalk;
+			if (enterLambda != null)
+			{
+				SignalBus.Instance.EnterInspectionMode -= enterLambda;
+			}
+			if (exitLambda != null)
+			{
+				SignalBus.Instance.ExitInspectionMode -= exitLambda;
+			}
+		}
+		base._Notification(what);
+	}
+
 	private void UpdateLabels()
 	{
 		foreach (Label label in ActorsLabel)
diff --git a/scripts/GUI/MainMenu.cs b/scripts/GUI/MainMenu.cs
new file mode 100644
index 0000000..4d89b36
--- /dev/null
+++ b/scripts/GUI/MainMenu.cs
@@ -0,0 +1,46 @@
+using Godot;
+
+namespace TheLegendOfGustav.GUI;
+
+public partial class MainMenu : Control
+{
+	private Button NewGameButton;
+	private Button LoadGameButton;
+	private Button QuitButton;
+
+	[Signal]
+	public delegate void GameRequestEventHandler(bool load);
+
+	public override void _Ready()
+	{
+		base._Ready();
+
+		NewGameButton = GetNode<Button>("VBoxContainer/CenterContainer/VBoxContainer/neogame");
+		LoadGameButton = GetNode<Button>("VBoxContainer/CenterContainer/VBoxContainer/continue");
+		QuitButton = GetNode<Button>("VBoxContainer/CenterContainer/VBoxContainer/quit");
+
+		NewGameButton.Pressed += OnNewGameButtonPressed;
+		LoadGameButton.Pressed += OnLoadGameButtonPressed;
+		QuitButton.Pressed += OnQuitButtonPressed;
+
+		NewGameButton.GrabFocus();
+		bool hasSaveFile = FileAccess.FileExists("user://save.dat");
+		LoadGameButton.Disabled = !hasSaveFile;
+	}
+
+	private void OnNewGameButtonPressed()
+	{
+		GD.Print("Signal EMIT!");
+		EmitSignal(SignalName.GameRequest, false);
+	}
+
+	private void OnLoadGameButtonPressed()
+	{
+		EmitSignal(SignalName.GameRequest, true);
+	}
+
+	private void OnQuitButtonPressed()
+	{
+		GetTree().Quit();
+	}
+}
diff --git a/scripts/GUI/MainMenu.cs.uid b/scripts/GUI/MainMenu.cs.uid
new file mode 100644
index 0000000..6bd82a6
--- /dev/null
+++ b/scripts/GUI/MainMenu.cs.uid
@@ -0,0 +1 @@
+uid://dx0fxht2oadb6
diff --git a/scripts/GUI/MessageLog.cs b/scripts/GUI/MessageLog.cs
index 1fc59b6..c83879a 100644
--- a/scripts/GUI/MessageLog.cs
+++ b/scripts/GUI/MessageLog.cs
@@ -8,6 +8,7 @@ public partial class MessageLog : ScrollContainer
 {
 	private VBoxContainer MessageList { get; set; }
 
+	private MessageLogData.messageSentEventHandler joinSignal;
 	public override void _Ready()
 	{
 		base._Ready();
@@ -18,7 +19,21 @@ public partial class MessageLog : ScrollContainer
 			_ = AddMessageAsync(msg);
 		}
 
-		MessageLogData.Instance.messageSent += async (Message msg) => await AddMessageAsync(msg);
+		joinSignal = async (Message msg) => await AddMessageAsync(msg);
+
+		MessageLogData.Instance.messageSent += joinSignal;
+	}
+
+	public override void _Notification(int what)
+	{
+		if (what == NotificationPredelete)
+		{
+			if (joinSignal != null)
+			{
+				MessageLogData.Instance.messageSent -= joinSignal;
+			}
+		}
+		base._Notification(what);
 	}
 
 	private async Task AddMessageAsync(Message message)
diff --git a/scripts/Game.cs b/scripts/Game.cs
index 5c1b634..3bb1b83 100644
--- a/scripts/Game.cs
+++ b/scripts/Game.cs
@@ -33,10 +33,18 @@ public partial class Game : Node
 
 	private Hud hud;
 
+	[Signal]
+	public delegate void MainMenuRequestedEventHandler();
+
+	private SignalBus.EscapeRequestedEventHandler escapeLambda;
+
 	public override void _Ready()
 	{
 		base._Ready();
 
+		escapeLambda = () => EmitSignal(SignalName.MainMenuRequested);
+		SignalBus.Instance.EscapeRequested += escapeLambda;
+
 		Map = GetNode<Map.Map>("Map");
 
 		InputHandler = GetNode<InputHandler>("InputHandler");
@@ -61,6 +69,19 @@ public partial class Game : Node
 		MessageLogData.Instance.AddMessage("Boa sorte!");
 	}
 
+	public override void _Notification(int what)
+	{
+		if (what == NotificationPredelete)
+		{
+			if (escapeLambda != null)
+			{
+				SignalBus.Instance.EscapeRequested -= escapeLambda;
+			}
+		}
+		base._Notification(what);
+	}
+
+
 	/// <summary>
 	/// Método executa aproximadamente 60 vezes por segundo.
 	/// </summary>
diff --git a/scripts/GameManager.cs b/scripts/GameManager.cs
new file mode 100644
index 0000000..8bc8b6b
--- /dev/null
+++ b/scripts/GameManager.cs
@@ -0,0 +1,59 @@
+using Godot;
+using GodotPlugins.Game;
+using System;
+using TheLegendOfGustav.GUI;
+using TheLegendOfGustav.Utils;
+
+namespace TheLegendOfGustav;
+
+public partial class GameManager : Node
+{
+	private PackedScene mainMenuScene = GD.Load<PackedScene>("res://scenes/GUI/main_menu.tscn");
+	private PackedScene gameScene = GD.Load<PackedScene>("res://scenes/Game.tscn");
+
+	private Node currentScene;
+
+	public override void _Ready()
+	{
+		base._Ready();
+		LoadMainMenu();
+	}
+
+	private Node SwitchToScene(PackedScene scene)
+	{
+		if (currentScene != null && currentScene is Game gaimu)
+		{
+			gaimu.MainMenuRequested -= LoadMainMenu;
+			gaimu.QueueFree();
+			gaimu = null;
+		} else if (currentScene != null && currentScene is MainMenu menu)
+		{
+			menu.QueueFree();
+			menu.GameRequest -= OnGameRequest;
+			menu = null;
+		}
+
+		currentScene?.QueueFree();
+		currentScene = scene.Instantiate();
+		AddChild(currentScene);
+		return currentScene;
+	}
+
+	private void LoadMainMenu()
+	{
+		MainMenu menu = (MainMenu)SwitchToScene(mainMenuScene);
+		menu.GameRequest += OnGameRequest;
+	}
+
+	private void LoadGame()
+	{
+		MessageLogData.Instance.ClearMessages();
+		Game game = (Game)SwitchToScene(gameScene);
+		game.MainMenuRequested += LoadMainMenu;
+	}
+
+	private void OnGameRequest(bool load)
+	{
+		LoadGame();
+	}
+}
diff --git a/scripts/GameManager.cs.uid b/scripts/GameManager.cs.uid
new file mode 100644
index 0000000..d1b1098
--- /dev/null
+++ b/scripts/GameManager.cs.uid
@@ -0,0 +1 @@
+uid://hya6i6i11teo
diff --git a/scripts/InputHandling/CastSpellInputHandler.cs b/scripts/InputHandling/CastSpellInputHandler.cs
index 1c5d005..904bfab 100644
--- a/scripts/InputHandling/CastSpellInputHandler.cs
+++ b/scripts/InputHandling/CastSpellInputHandler.cs
@@ -36,12 +36,15 @@ public partial class CastSpellInputHandler : BaseInputHandler
 	[Export]
 	private Map map;
 
+	SignalBus.PlayerSpellChooseLocationEventHandler spellLocationLambda;
+
 	public override void _Ready()
 	{
 		base._Ready();
 
+		spellLocationLambda = (SpellResource spell) => selectedSpell = spell;
 		// O jogador informa qual feitiço será usado.
-		SignalBus.Instance.PlayerSpellChooseLocation += (SpellResource spell) => selectedSpell = spell;
+		SignalBus.Instance.PlayerSpellChooseLocation += spellLocationLambda;
 	}
 
 	public override void Enter()
@@ -90,4 +93,16 @@ public partial class CastSpellInputHandler : BaseInputHandler
 
 		return action;
 	}
+
+	public override void _Notification(int what)
+	{
+		if (what == NotificationPredelete)
+		{
+			if (spellLocationLambda != null)
+			{
+				SignalBus.Instance.PlayerSpellChooseLocation -= spellLocationLambda;
+			}
+		}
+		base._Notification(what);
+	}
 }
\ No newline at end of file
diff --git a/scripts/InputHandling/GameOverInputHandler.cs b/scripts/InputHandling/GameOverInputHandler.cs
index e11e98a..bfd6d79 100644
--- a/scripts/InputHandling/GameOverInputHandler.cs
+++ b/scripts/InputHandling/GameOverInputHandler.cs
@@ -1,3 +1,4 @@
+using Godot;
 using TheLegendOfGustav.Entities.Actions;
 using TheLegendOfGustav.Entities.Actors;
 
@@ -11,6 +12,11 @@ public partial class GameOverInputHandler : BaseInputHandler
 	// Por enquanto não tem nada.
 	public override Action GetAction(Player player)
 	{
-		return null;
+		Action action = null;
+		if (Input.IsActionJustPressed("quit"))
+		{
+			action = new EscapeAction(player);
+		}
+		return action;
 	}
 }
\ No newline at end of file
diff --git a/scripts/InputHandling/InputHandler.cs b/scripts/InputHandling/InputHandler.cs
index ce265a1..3c39587 100644
--- a/scripts/InputHandling/InputHandler.cs
+++ b/scripts/InputHandling/InputHandler.cs
@@ -57,6 +57,15 @@ public partial class InputHandler : Node
 		return SelectedInputHandler.GetAction(player);
 	}
 
+	public override void _Notification(int what)
+	{
+		if (what == NotificationPredelete)
+		{
+			SignalBus.Instance.CommandInputHandler -= SetInputHandler;
+		}
+		base._Notification(what);
+	}
+
 	/// <summary>
 	/// Define o esquema de controle atual do jogo
 	/// para o estado informado.
diff --git a/scripts/InputHandling/MainGameInputHandler.cs b/scripts/InputHandling/MainGameInputHandler.cs
index 6a110d7..bbfb9ca 100644
--- a/scripts/InputHandling/MainGameInputHandler.cs
+++ b/scripts/InputHandling/MainGameInputHandler.cs
@@ -58,6 +58,11 @@ public partial class MainGameInputHandler : BaseInputHandler
 			action = new WaitAction(player);
 		}
 
+		if (Input.IsActionJustPressed("quit"))
+		{
+			action = new EscapeAction(player);
+		}
+
 		return action;
 	}
 }
diff --git a/scripts/Utils/MessageLogData.cs b/scripts/Utils/MessageLogData.cs
index 46d2c3e..ab81fe6 100644
--- a/scripts/Utils/MessageLogData.cs
+++ b/scripts/Utils/MessageLogData.cs
@@ -40,7 +40,7 @@ public partial class MessageLogData : Node
 		{
 			Message message = Messages[i];
 			Messages.RemoveAt(i);
-			message.QueueFree();
+			message?.QueueFree();
 		}
 	}
 
diff --git a/scripts/Utils/SignalBus.cs b/scripts/Utils/SignalBus.cs
index bf97c2d..291ffcd 100644
--- a/scripts/Utils/SignalBus.cs
+++ b/scripts/Utils/SignalBus.cs
@@ -31,6 +31,9 @@ public partial class SignalBus : Node
 	[Signal]
 	public delegate void CommandInputHandlerEventHandler(InputHandlers state);
 
+	[Signal]
+	public delegate void EscapeRequestedEventHandler();
+
 	public override void _Ready()
 	{
 		base._Ready();
-- 
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