extends Control

@onready var data: Data = $/root/Root/Data
@onready var titleScreen: Control = $/root/Root/MainMenu/TitleScreen
@onready var fpsMonitor: RichTextLabel = $/root/Root/FPSMonitor
@onready var mainBus: int = AudioServer.get_bus_index("Master")
@onready var musicBus: int = AudioServer.get_bus_index("Music")
@onready var effectsBus: int = AudioServer.get_bus_index("Effects")

func home():
	self.hide()
	titleScreen.show()

func changeDifficulty(i: int):
	data.difficulty = i

func changeVolMaster(i: float):
	AudioServer.set_bus_volume_db(mainBus, linear_to_db(i))

func changeVolMusic(i: float):
	AudioServer.set_bus_volume_db(musicBus, linear_to_db(i))

func changeVolEffects(i: float):
	AudioServer.set_bus_volume_db(effectsBus, linear_to_db(i))

func windowModeChanged(index: int):
	match index:
		0: DisplayServer.window_set_mode(DisplayServer.WINDOW_MODE_WINDOWED)
		1: DisplayServer.window_set_mode(DisplayServer.WINDOW_MODE_FULLSCREEN)
		2: DisplayServer.window_set_mode(DisplayServer.WINDOW_MODE_EXCLUSIVE_FULLSCREEN)

func vsyncChanged(index: int):
	match index:
		0: DisplayServer.window_set_vsync_mode(DisplayServer.VSYNC_DISABLED)
		1: DisplayServer.window_set_vsync_mode(DisplayServer.VSYNC_ENABLED)
		2: DisplayServer.window_set_vsync_mode(DisplayServer.VSYNC_ADAPTIVE)
		3: DisplayServer.window_set_vsync_mode(DisplayServer.VSYNC_MAILBOX)

func toggleFPSMonitor(toggled_on: bool):
	fpsMonitor.visible = toggled_on

func fpsChanged(index: int):
	match index:
		0: Engine.max_fps = 24
		1: Engine.max_fps = 30
		2: Engine.max_fps = 60
		3: Engine.max_fps = 90
		4: Engine.max_fps = 120
		5: Engine.max_fps = 144
		6: Engine.max_fps = 240
		7: Engine.max_fps = 0