DreamBall/menus/main/level_selection_menu.tscn

[gd_scene load_steps=2 format=3 uid="uid://d3b12iqla7uh6"]

[sub_resource type="GDScript" id="GDScript_rmgh7"]
script/source = "extends Control

signal request_play_level

@onready var carousel := $VBoxContainer/Selection/Carousel
@onready var label_time := $VBoxContainer/Presentation/MarginContainer/VBoxContainer/BestTime
const levels = [
	\"res://levels/base/level.tscn\",
	\"res://levels/forest/level.tscn\",
	\"res://levels/night/level.tscn\",
]
var loaded_level: Level
var loaded_level_scene: PackedScene
var loaded_level_path: String

func _enter_tree() -> void:
	if len(loaded_level_path):
		prepare_level(loaded_level_path)

func _ready() -> void:
	var placeholders := carousel.get_children()
	for placeholder in placeholders:
		placeholder.queue_free()
	
	for i in len(levels):
		var btn := Button.new()
		btn.text = \"Level \" + str(i + 1)
		btn.connect(\"pressed\", func(): prepare_level(levels[i]))
		carousel.add_child(btn)

func prepare_level(level_scene_path: String):
	if is_instance_valid(loaded_level):
		loaded_level.queue_free()
	
	ResourceLoader.load_threaded_request(level_scene_path)
	loaded_level_scene = ResourceLoader.load_threaded_get(level_scene_path)
	loaded_level = loaded_level_scene.instantiate()
	loaded_level_path = level_scene_path
	$VBoxContainer/Presentation/Thumbnail.texture = loaded_level.thumbnail
	$VBoxContainer/Presentation/MarginContainer/VBoxContainer/LevelName.text = \"The \" + loaded_level.id.capitalize()
	$VBoxContainer/Presentation.show()
	$VBoxContainer/MarginContainer/PlayButton.show()
	display_file_data(SaveFiles.read(SaveFiles.selected_file))

func display_file_data(data: Variant) -> void:
	label_time.text = \"Best time: \"
	var property_name := loaded_level.id + \"_best_time\"
	if data.has(property_name) and data[property_name] is float:
		var seconds: float = data[property_name]
		var minutes: int = floor(seconds / 60)
		label_time.text += (\"%0*d\" % [2, minutes]) + \":\" + (\"%0*.3f\" % [6, seconds - (minutes * 60)])
	else:
		label_time.text += \"00:00.000\"

func _on_play_button_pressed() -> void:
	if is_instance_valid(loaded_level):
		request_play_level.emit(loaded_level, loaded_level_scene)

func seconds_to_readable(seconds: float) -> String:
	var minutes: int = floor(seconds / 60)
	return (\"%0*d\" % [2, minutes]) + \":\" + (\"%0*.3f\" % [6, seconds - (minutes * 60)])

## This prevents a memory leak that is possible when this menu is destroyed
## and the loaded_level becomes unavailable to the rest of the game
## For example in the main menu, go to this menu, select a level,
## press \"return\" and go to this menu again, boom, memory leak prevented by this
func _notification(what: int) -> void:
	match what:
		NOTIFICATION_PREDELETE:
			if is_instance_valid(loaded_level) && !loaded_level.is_inside_tree():
				loaded_level.queue_free()
"

[node name="LevelSelectionMenu" type="Control"]
layout_mode = 3
anchors_preset = 15
anchor_right = 1.0
anchor_bottom = 1.0
grow_horizontal = 2
grow_vertical = 2
script = SubResource("GDScript_rmgh7")

[node name="VBoxContainer" type="VBoxContainer" parent="."]
layout_mode = 1
anchors_preset = 15
anchor_right = 1.0
anchor_bottom = 1.0
grow_horizontal = 2
grow_vertical = 2

[node name="Selection" type="ScrollContainer" parent="VBoxContainer"]
custom_minimum_size = Vector2(0, 50)
layout_mode = 2

[node name="Carousel" type="HBoxContainer" parent="VBoxContainer/Selection"]
layout_mode = 2
size_flags_horizontal = 3
theme_override_constants/separation = 10
alignment = 1

[node name="Placeholder1" type="Button" parent="VBoxContainer/Selection/Carousel"]
layout_mode = 2
theme_override_constants/icon_max_width = 150
text = "Placeholder"

[node name="Placeholder2" type="Button" parent="VBoxContainer/Selection/Carousel"]
layout_mode = 2
text = "Placeholder"

[node name="Placeholder3" type="Button" parent="VBoxContainer/Selection/Carousel"]
layout_mode = 2
text = "Placeholder"

[node name="Presentation" type="HBoxContainer" parent="VBoxContainer"]
visible = false
layout_mode = 2

[node name="Thumbnail" type="TextureRect" parent="VBoxContainer/Presentation"]
custom_minimum_size = Vector2(150, 150)
layout_mode = 2
expand_mode = 1
stretch_mode = 4

[node name="MarginContainer" type="MarginContainer" parent="VBoxContainer/Presentation"]
layout_mode = 2
theme_override_constants/margin_left = 5

[node name="VBoxContainer" type="VBoxContainer" parent="VBoxContainer/Presentation/MarginContainer"]
layout_mode = 2
alignment = 1

[node name="LevelName" type="Label" parent="VBoxContainer/Presentation/MarginContainer/VBoxContainer"]
layout_mode = 2
text = "Placeholder"

[node name="BestTime" type="Label" parent="VBoxContainer/Presentation/MarginContainer/VBoxContainer"]
layout_mode = 2
text = "Best time: 00:00.000"

[node name="MarginContainer" type="MarginContainer" parent="VBoxContainer"]
layout_mode = 2
theme_override_constants/margin_top = 15

[node name="PlayButton" type="Button" parent="VBoxContainer/MarginContainer"]
visible = false
layout_mode = 2
text = "Play!"

[connection signal="pressed" from="VBoxContainer/MarginContainer/PlayButton" to="." method="_on_play_button_pressed"]