Moves stuff around, made a main menu and scene mgr

stages/SceneManager/scripts/scene_manager.gd

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+extends Node3D
+class_name SceneManager
+
+const SCENES: Dictionary = {
+	"MAINMENU": "res://Stages/MainMenu/MainMenu.tscn",
+	"HIGHSCORES": "res://scenes/high_scores.tscn"
+}
+
+var loading_scene_res: Resource = null
+
+func _ready() -> void:
+	## LOAD GAME DATA
+	#HighScoreMgr.load()
+	#HighScoreMgr.debug_output()
+	# HighScoreMgr.debug_save_high_score()
+	Log.pr("SceneManager is ready.")
+	SceneMgr.connect("change_scene", Callable(self, "_on_change_scene"))
+	$TransitionScene.connect("transitioned", Callable(self, "_on_transition_scene_transitioned"))
+
+func _on_change_scene(scene_name: String) -> void:
+	Log.pr("Going to load a scene.", scene_name)
+	if SCENES.has(scene_name):
+		#GameState.reset()
+		loading_scene_res = load(SCENES[scene_name])
+		Log.pr("Loading scene: ", loading_scene_res)
+		$TransitionScene.transition()
+	else:
+		loading_scene_res = null
+
+func _on_transition_scene_transitioned() -> void:
+	$CurrentScene.get_child(0).queue_free()
+	$CurrentScene.add_child(loading_scene_res.instantiate())

stages/SceneManager/scripts/scene_manager.gd.uid

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+uid://bqtnrs6cjoyj6

stages/SceneManager/scripts/transition_scene.gd

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+extends CanvasLayer
+
+signal transitioned
+
+func _ready() -> void:
+	$AnimationPlayer.play("fade_to_normal")
+
+func transition() -> void:
+	$AnimationPlayer.play("fade_to_black")
+	Log.pr("Fading to black")
+
+func _on_animation_player_animation_finished(anim_name: StringName) -> void:
+	if anim_name == "fade_to_black":
+		Log.pr("Sending transitioned signal...")
+		emit_signal("transitioned")
+		$AnimationPlayer.play("fade_to_normal")
+	if anim_name == "fade_to_normal":
+		Log.pr("Faded to normal")

stages/SceneManager/scripts/transition_scene.gd.uid

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+uid://cem1lps8uxlya