Undertale Yellow script viewer

if (keyboard_multicheck_pressed(0) && scr_interact
scr_interact

function scr_interact() //gml_Script_scr_interact
{
    if (distance_to_object(obj_pl) < 20 && obj_pl.state == gml_Script_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;
    }
}
())

    audio_play_sound(snd_ring, 1, 0)