Avoid adding loaded scene to tree until all loading is finished.

src/game/editor_entrypoint/editor_entrypoint.gd

@@ -3,6 +3,6 @@ extends Node
 @export_file("*.tscn") var initial_scene := "res://src/world/world.tscn"
 
 
-func _ready() -> void:
+func _init() -> void:
 	print("Starting from editor-only entrypoint.")
 	Game.instance.queue_scene(initial_scene)

src/game/game.gd

@@ -4,6 +4,7 @@ class_name Game extends Node
 @export_file("*.tscn") var start_scene: String
 
 var _loading_resources: Dictionary[String, Promise] = {}
+var _queued_content: Node
 
 @onready var content: Node = %Content
 @onready var loading_screen: Control = %LoadingScreen
@@ -89,6 +90,10 @@ func _unload_content() -> void:
 
 
 func _finish_scene_load(scene_instance: Node) -> void:
+	_queued_content = scene_instance
+
+
+func _add_scene_content(scene_instance: Node) -> void:
 	# Unpause in case the previous scene was paused.
 	get_tree().paused = false
 	# Reset time scale in case it's been changed.
@@ -115,5 +120,11 @@ func _process(_delta: float) -> void:
 				# Continue loading
 				pass
 
+	if not _loading_resources:
+		# Delay adding queued scene to the tree until loading is finished
+		if _queued_content:
+			_add_scene_content(_queued_content)
+			_queued_content = null
+
 	if not _loading_resources:
 		loading_screen.visible = false

src/util/loading_tools.gd

@@ -9,14 +9,17 @@ static func _load_world(level: PackedScene, save: SaveState = null) -> void:
 		world.save_state = save
 		world.initial_level = level
 
+	print_debug("Loading world")
 	Game.instance.queue_scene(WORLD_SCENE).then(finish_load)
 
 
 static func load_level(level_path: String, save: SaveState = null) -> void:
+	print_debug("Loading level from ", level_path)
 	var chain_load := func(level: PackedScene) -> void: LoadingTools._load_world(level, save)
 	Game.instance.queue_load(level_path).then(chain_load)
 
 
 static func load_save(save_path: String) -> void:
+	print_debug("Loading save from ", save_path)
 	var chain_load := func(save: SaveState) -> void: load_level(save.level_path, save)
 	Game.instance.queue_load(save_path, ResourceLoader.CACHE_MODE_REPLACE_DEEP).then(chain_load)

src/world/world.tscn

@@ -13,7 +13,6 @@ volume_db = -14.0
 
 [node name="World" type="Node"]
 script = ExtResource("1_1k4gi")
-pause_enabled = null
 manager = ExtResource("2_5kmgb")
 spook_manager = ExtResource("3_l0av5")
 pause_music_effect = SubResource("AudioEffectAmplify_5kmgb")