Undertale Yellow script viewer

if (window == 0)

{

    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;
    }
}
())

        window = 1;

}

if (window == 1)

{

    scr_text
scr_text

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

    with (msg)

    {

        message[0] = "* (Pick up the Dimensional#  Satchel?)";

        ch_msg = 0;

        ch[1] = "Yes";

        ch[2] = "No";

        if (outcome == 1)

        {

            message[1] = "* (You got the Dimensional#  Satchel!)";

            global.player_has_satchel = true;

            audio_play_sound(snd_success, 1, 0);

            instance_destroy(other);

        }

        if (outcome == 2)

        {

            global.dialogue_open = false;

            other.window = 0;

        }

    }

}