Make basic overworld and teleport to first dungeon floor

src/map/Overworld.cs

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+using Chickensoft.AutoInject;
+using Chickensoft.GodotNodeInterfaces;
+using Chickensoft.Introspection;
+using GameJamDungeon;
+using Godot;
+
+public interface IOverworld : INode3D;
+
+[Meta(typeof(IAutoNode))]
+public partial class Overworld : Node3D
+{
+  public override void _Notification(int what) => this.Notify(what);
+
+  [Dependency] public IAppRepo AppRepo => this.DependOn<IAppRepo>();
+
+  public const string FIRST_FLOOR_PATH = "res://src/map/dungeon/floors/FirstFloor.tscn";
+
+  [Node] public Area3D Teleport { get; set; } = default!;
+
+  public void OnResolved()
+  {
+    Teleport.BodyEntered += Teleport_BodyEntered;
+  }
+
+  private async void Teleport_BodyEntered(Node3D area)
+  {
+    // TODO: Prompt player to proceed to next floor or not
+    GetTree().Paused = true;
+    AppRepo.OnShowLoadingScreen();
+    await ToSignal(GetTree().CreateTimer(2f), "timeout");
+    var instantiator = new Instantiator(GetTree());
+    var firstFloor = instantiator.LoadAndInstantiate<Node>(FIRST_FLOOR_PATH);
+    GetParent().AddChild(firstFloor);
+    QueueFree();
+  }
+}

src/map/Overworld.tscn

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+[gd_scene load_steps=4 format=3 uid="uid://sv0suc4tjk8h"]
+
+[ext_resource type="Script" path="res://src/map/Overworld.cs" id="1_wvnkp"]
+
+[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_4myig"]
+transparency = 1
+albedo_color = Color(0.101961, 1, 1, 0.545098)
+
+[sub_resource type="CylinderShape3D" id="CylinderShape3D_hvri2"]
+height = 5.0
+radius = 2.0
+
+[node name="Overworld" type="Node3D"]
+script = ExtResource("1_wvnkp")
+
+[node name="CSGBox3D2" type="CSGBox3D" parent="."]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 9.40436, 0)
+use_collision = true
+flip_faces = true
+size = Vector3(50, 20, 50)
+
+[node name="CSGCylinder3D" type="CSGCylinder3D" parent="."]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 12.6388, 0, 0)
+flip_faces = true
+radius = 2.0
+height = 5.0
+material = SubResource("StandardMaterial3D_4myig")
+
+[node name="Teleport" type="Area3D" parent="CSGCylinder3D"]
+unique_name_in_owner = true
+collision_layer = 2
+collision_mask = 2
+
+[node name="CollisionShape3D" type="CollisionShape3D" parent="CSGCylinder3D/Teleport"]
+shape = SubResource("CylinderShape3D_hvri2")

src/map/dungeon/floors/FirstFloor.tscn

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+[gd_scene load_steps=5 format=3 uid="uid://dkde8r4dgftxm"]
+
+[ext_resource type="Script" path="res://addons/SimpleDungeons/DungeonGenerator3D.gd" id="1_qnl2f"]
+[ext_resource type="PackedScene" uid="uid://dhpwwqow1ahrc" path="res://src/map/dungeon/rooms/Room1.tscn" id="2_ncsxh"]
+[ext_resource type="PackedScene" uid="uid://bbwgmqy3evhh2" path="res://src/map/dungeon/rooms/Room2.tscn" id="3_hwomd"]
+[ext_resource type="PackedScene" uid="uid://bn4gslp2gk8ds" path="res://src/map/dungeon/corridor/Corridor.tscn" id="4_os8ha"]
+
+[node name="FirstFloor" type="Node3D"]
+script = ExtResource("1_qnl2f")
+room_scenes = Array[PackedScene]([ExtResource("2_ncsxh"), ExtResource("3_hwomd")])
+corridor_room_scene = ExtResource("4_os8ha")
+dungeon_size = Vector3i(10, 1, 10)

src/map/dungeon/floors/SecondFloor.tscn

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+[gd_scene load_steps=2 format=3 uid="uid://gp50n7sdgic8"]
+
+[ext_resource type="Script" path="res://addons/SimpleDungeons/DungeonGenerator3D.gd" id="1_dmj3t"]
+
+[node name="SecondFloor" type="Node3D"]
+script = ExtResource("1_dmj3t")

src/map/dungeon/floors/ThirdFloor.tscn

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+[gd_scene load_steps=2 format=3 uid="uid://3glnn50mftqk"]
+
+[ext_resource type="Script" path="res://addons/SimpleDungeons/DungeonGenerator3D.gd" id="1_hi3c5"]
+
+[node name="ThirdFloor" type="Node3D"]
+script = ExtResource("1_hi3c5")