function scr_floortex_shift_objects_Zaxis(arg0, arg1)
{
    if (arg1 == 0)
        exit;
    arg0.y_ow += arg1;
    arg0.bbox_bottom_ow += arg1;
    arg0.bbox_top_ow += arg1;
    arg0.bbox_bottom_plat += arg1;
    arg0.bbox_top_plat += arg1;
    with (arg0)
    {
        var _mainchara = instance_place(x, y, obj_mainchara);
        with (_mainchara)
        {
            var _x = (bbox_left + bbox_right) / 2;
            if (collision_line(_x, bbox_bottom - 2, _x, bbox_bottom + 6, arg0, 0, 0))
            {
                if (!instance_place(x, y + arg1, obj_solidblock))
                    y += arg1;
            }
        }
    }
    with (obj_platswap_helper)
    {
        with (obj_id)
        {
            var _walltex = -4;
            if (instance_exists(walltex))
            {
                if (walltex.floortex == arg0)
                    _walltex = walltex;
            }
            if (floortex == arg0 || instance_exists(_walltex))
            {
                y_ow += arg1;
                set_floortex_obj_yplat();
                if (obj_platswap.transition_time <= 0)
                {
                    if (obj_platswap.mode == 0)
                        y = y_ow;
                    else
                        y = y_plat;
                }
            }
        }
    }
    with (obj_papergrass)
    {
        if (floortex == arg0)
        {
            y_ow += arg1;
            set_floortex_obj_yplat();
            if (obj_platswap.transition_time <= 0)
            {
                if (obj_platswap.mode == 0)
                    y = y_ow;
                else
                    y = y_plat;
            }
        }
    }
    with (obj_rock3d)
    {
        if (floortex == arg0)
        {
            y_ow += arg1;
            set_floortex_obj_yplat();
            if (obj_platswap.transition_time <= 0)
            {
                if (obj_platswap.mode == 0)
                    y = y_ow;
                else
                    y = y_plat;
            }
        }
    }
    with (obj_pinktree)
    {
        if (floortex == arg0)
        {
            y_ow += arg1;
            set_floortex_obj_yplat();
            if (obj_platswap.transition_time <= 0)
            {
                if (obj_platswap.mode == 0)
                    y = y_ow;
                else
                    y = y_plat;
            }
        }
    }
}