improve room handling and fix loading

content/system/room/room.tscn

@@ -1,4 +1,4 @@
-[gd_scene load_steps=6 format=3 uid="uid://bswgmclohuqui"]
+[gd_scene load_steps=7 format=3 uid="uid://bswgmclohuqui"]
 
 [ext_resource type="Script" path="res://content/system/room/room.gd" id="1_fccq0"]
 [ext_resource type="Script" path="res://content/functions/clickable.gd" id="1_ugebq"]
@@ -8,6 +8,8 @@
 
 [sub_resource type="ArrayMesh" id="ArrayMesh_7dibq"]
 
+[sub_resource type="WorldBoundaryShape3D" id="WorldBoundaryShape3D_ap613"]
+
 [node name="Room" type="Node3D"]
 script = ExtResource("1_fccq0")
 
@@ -30,3 +32,11 @@ material_override = ExtResource("3_al1ev")
 mesh = SubResource("ArrayMesh_7dibq")
 
 [node name="WallCollisions" type="Node3D" parent="."]
+
+[node name="Celing" type="StaticBody3D" parent="."]
+transform = Transform3D(-1, 8.74228e-08, 0, -8.74228e-08, -1, 0, 0, 0, 1, 0, 3.07, 0)
+collision_layer = 0
+collision_mask = 0
+
+[node name="CollisionShape3D" type="CollisionShape3D" parent="Celing"]
+shape = SubResource("WorldBoundaryShape3D_ap613")

content/ui/menu/room/room_menu.gd

@@ -19,6 +19,10 @@ func _ready():
 			rooms.add_child(room)
 		else:
 			room = rooms.get_child(0)
+			if rooms.get_child_count() > 1:
+				for child in rooms.get_children():
+					if child != room:
+						child.queue_free()
 	)
 
 	spawn_windows.on_button_down.connect(func():

lib/globals/save_system.gd

@@ -22,6 +22,8 @@ func save():
 	save_file.store_line(json_text)
 
 func load():
+	clear()
+
 	if HomeApi.has_connected() == false:
 		return