# Game.gd

@onready var label: Label = $Label

var player_data: PlayerData

func save_game():
    ResourceSaver.save(player_data, "user://save/player_data.tres")

func load_game():
    player_data = ResourceLoader.load("user://save/player_data.tres")
    if !player_data:
        player_data = PlayerData.new()
    something_label.text = str(player_data.hit_points)

func _input(event):
    if event is InputEventKey and event.pressed:
        if event.keycode == KEY_2:
            if player_data:
                player_data.hit_points += 5
                label.text = str(player_data.hit_points)
        if event.keycode == KEY_9:
            save_game()
        if event.keycode == KEY_0:
            load_game()

# PlayerData.gd

extends Resource
class_name PlayerData

var hit_points: int = 100