Add ability to hit NPCs and see different dialogue, add interrupt feature for dialogue controller singleton

src/game/DialogueController.cs

@@ -5,8 +5,24 @@ public partial class DialogueController : Node
 {
   public static PackedScene DialogueBalloon { get; set; }
 
-  public DialogueController()
+  private static Node _currentlyActiveDialogue { get; set; } = new Node();
+
+  private static Resource _currentDialogue { get; set; }
+
+  public override void _Ready()
   {
     DialogueBalloon = GD.Load<PackedScene>("res://src/ui/dialogue/DialogueBalloon.tscn");
   }
+
+  public static void ShowDialogue(Resource dialogueResource, string dialogueTitle)
+  {
+    Interrupt();
+    _currentlyActiveDialogue = DialogueManager.ShowDialogueBalloonScene(DialogueBalloon, dialogueResource, dialogueTitle);
+  }
+
+  public static void Interrupt()
+  {
+    if (IsInstanceValid(_currentlyActiveDialogue))
+      _currentlyActiveDialogue.QueueFree();
+  }
 }

src/game/Game.cs

@@ -68,7 +68,7 @@ public partial class Game : Node3D, IGame
     GameRepo.Pause();
     DialogueManager.GetCurrentScene = (() => this);
     var dialogueResource = GD.Load<Resource>("res://src/ui/dialogue/FloorExit.dialogue");
-    DialogueManager.ShowDialogueBalloonScene(DialogueController.DialogueBalloon, dialogueResource, "floor_exit");
+    DialogueController.ShowDialogue(dialogueResource, "floor_exit");
     DialogueManager.DialogueEnded += (Resource resource) => { GameRepo.Resume(); };
   }