extends Control

export var scale = 4 setget set_scale
export var upThreshold = 1.0/59.0
export var downThreshold = 1.0/30.0

export var delay = 1.0

onready var viewport = $Viewport
onready var background = $Background

func _ready():
	set_scale(scale)
	$"/root/Music/BGM".play()

func _process(delta):
	# Give the system time to adjust
	if delay > 0:
		delay -= delta
		return
	if delta > downThreshold:
		print("GPU is taking too much (", delta, "s < ", downThreshold, "s), adjusting shader scale")
		set_scale(scale+1)
	elif delta < upThreshold and scale > 2:
		print("GPU is taking it easy (", delta, "s < ", upThreshold, "s), adjusting shader scale")
		set_scale(scale-1)

func set_scale(val):
	scale = val
	if viewport:
		viewport.size = rect_size / scale
		background.update()

func _on_resized():
	if viewport:
		viewport.size = rect_size / scale
		background.update()

func _host_pressed():
	$"/root/Music/BGM".stop()
	$"/root/Multiplayer".host()

func _join_pressed():
	$"/root/Music/BGM".stop()
	var addr = $CenterContainer/PanelContainer/HBoxContainer/ServerAddr
	$"/root/Multiplayer".join(addr.text)

func _server_addr_changed(new_text: String):
	$CenterContainer/PanelContainer/HBoxContainer/JoinButton.disabled = new_text.length() < 1