extends Node

var _file = "user://savegame.json"
var state = {}

func _ready():
    load_state()
    
func _initial_state():
    return {}
    
func save_state() -> bool:
    var savegame = File.new()
    
    savegame.open(_file, File.WRITE)
    savegame.store_line(to_json(state))
    savegame.close()
    return true
    
func load_state() -> bool:
    var savegame = File.new()
    if not savegame.file_exists(_file):
        return false
    
    savegame.open(_file, File.READ)
    
    state = _initial_state()
    var new_state = parse_json(savegame.get_line())
    for key in new_state:
        state[key] = new_state[key]
    savegame.close()
    return true