Add collisions to A2 corridors

Start implementation of fading ambient audio in/out on level load

Zennysoft.Game.Ma/src/map/dungeon/code/SpecialFloor.cs

@@ -2,6 +2,7 @@ using Chickensoft.AutoInject;
 using Chickensoft.Introspection;
 using Godot;
 using System.Collections.Immutable;
+using Zennysoft.Game.Abstractions;
 
 namespace Zennysoft.Game.Ma;
 
@@ -10,17 +11,22 @@ public partial class SpecialFloor : Node3D, IDungeonFloor
 {
   public override void _Notification(int what) => this.Notify(what);
 
-  [Node] private Marker3D PlayerSpawn { get; set; } = default!;
+  [Node] private Marker3D PlayerSpawnPoint { get; set; } = default!;
 
   public ImmutableList<IDungeonRoom> Rooms => [];
 
-  public void InitializeDungeon()
+  public virtual void InitializeDungeon()
   {
     FloorIsLoaded = true;
   }
 
+  public virtual void FadeOutAudio()
+  {
+
+  }
+
   public bool FloorIsLoaded { get; set; }
 
-  public (Vector3 Rotation, Vector3 Position) GetPlayerSpawnPoint() => (PlayerSpawn.Rotation, PlayerSpawn.Position);
+  public virtual (Vector3 Rotation, Vector3 Position) GetPlayerSpawnPoint() => (PlayerSpawnPoint.Rotation, new Vector3(PlayerSpawnPoint.Position.X, 0, PlayerSpawnPoint.Position.Z));
 
-}
+}