dictionary hairstyles

var hairstyle_key = { #the first field, the bool, indicates if color is used
    0 : [true, "short"],
    1 : [true, "long"],
    2 : [true, "fro"],
    3 : [false, "none"],
    4 : [true, "ponytail"],
}

...

func set_hair(new_hair):
    hair = new_hair
    if (hairstyle_key[hair.y])[0] == true:
        hairsprite.set_texture(load("res://img/player/hair/hair_" + hairstyle_key[hair.y][1] + "_" + hair_color_key[hair.x]))
    else:
        hairsprite.set_texture(load("res://img/player/hair/hair_" + hairstyle_key[hair.y][1]))