Undertale Yellow script viewer

var scroll_speed_current = ceil(scroll_speed);

var num = tile_get_count();

for (var i = 0; i < num; i++)

{

    var tile = tile_get_id(i);

    var tile_y = tile_get_y(tile);

    var tile_x = tile_get_x(tile);

    var tile_width = tile_get_width(tile);

    var tile_shift;

    switch (tile_get_depth(tile))

    {

        case 1000000:

            tile_shift = scroll_speed;

            break;

    }

    tile_set_position(tile, tile_x + tile_shift, tile_y);

    tile_x = tile_get_x(tile);

    if (scroll_speed < 0)

    {

        if (tile_x <= -20)

            tile_set_position(tile, room_width, tile_y);

    }

    else if (tile_x >= room_width)

    {

        tile_set_position(tile, -20, tile_y);

    }

}

if ((scroll_speed < 0 && wall_x > -sprite_get_width(spr_gemwall)) || (scroll_speed > 0 && wall_x < sprite_get_width(spr_gemwall)))

    wall_x += (scroll_speed * 0.5);

else

    wall_x = 0;