Undertale Yellow script viewer

if (global.snowdin_flag[2] == 0)

    exit;

if ((keyboard_multicheck_pressed(0) && scr_interact
scr_interact

function scr_interact()
{
    if (distance_to_object(obj_pl) < 20 && obj_pl.state == scr_normal_state)
    {
        var pl_dir = obj_pl.direction;
        var pl_x = 0;
        var pl_y = 0;
        var check_distance_x = 0;
        var check_distance_y = 0;
        switch (pl_dir)
        {
            case 0:
                pl_x = obj_pl.bbox_right;
                pl_y = obj_pl.bbox_top + 1;
                check_distance_x = 20;
                break;
            case 180:
                pl_x = obj_pl.bbox_left;
                pl_y = obj_pl.bbox_top + 1;
                check_distance_x = -20;
                break;
            case 90:
                pl_x = obj_pl.x;
                pl_y = obj_pl.bbox_top;
                check_distance_y = -20;
                break;
            case 270:
                pl_x = obj_pl.x;
                pl_y = obj_pl.bbox_bottom;
                check_distance_y = 20;
                break;
        }
        if (collision_line_first(pl_x, pl_y, pl_x + check_distance_x, pl_y + check_distance_y, id, false, false))
            return true;
    }
}
() == true) && (waiter == 0 && !instance_exists(obj_dialogue)))

    waiter = 1;

if (waiter == 1)

{

    scr_text
scr_text

function scr_text()
{
    if (!instance_exists(obj_dialogue))
        msg = instance_create(x, y, obj_dialogue);
}
();

    with (msg)

    {

        portrait = false;

        sndfnt = 99;

        if (global.route == 3)

            message[0] = "* A tube full of water.";

        else

            message[0] = "* The water-meter is full of#  liquid ice.";

    }

    waiter = 2;

}

if (waiter == 2 && !instance_exists(obj_dialogue))

    waiter = 0;