function scr_marker_ext(arg0, arg1, arg2, arg3 = 1, arg4 = 1, arg5 = 0, arg6 = 0, arg7 = 16777215, arg8 = depth, arg9 = false, arg10 = -1, arg11 = 1)
{
    var thismarker = instance_create(arg0, arg1, obj_marker);
    with (thismarker)
    {
        depth = arg8;
        sprite_index = arg2;
        image_speed = arg5;
        image_xscale = arg3;
        image_yscale = arg4;
        image_index = arg6;
        image_blend = arg7;
        image_alpha = arg11;
        if (arg9)
            scr_depth_alt();
    }
    if (arg10 > 0)
        scr_doom(thismarker, arg10);
    return thismarker;
}

function scr_marker_fromasset(arg0, arg1 = depth, arg2 = false)
{
    if (is_undefined(arg0))
    {
        debug_message("Warning: scr_marker_fromasset() sprite_instance didn't exist");
        return -4;
    }
    var sprite = layer_sprite_get_sprite(arg0);
    var index = layer_sprite_get_index(arg0);
    var imagespeed = layer_sprite_get_speed(arg0);
    var xscale = layer_sprite_get_xscale(arg0);
    var yscale = layer_sprite_get_yscale(arg0);
    var angle = layer_sprite_get_angle(arg0);
    var blend = layer_sprite_get_blend(arg0);
    var alpha = layer_sprite_get_alpha(arg0);
    var xloc = layer_sprite_get_x(arg0);
    var yloc = layer_sprite_get_y(arg0);
    var thismarker = instance_create_depth(xloc, yloc, arg1, obj_marker);
    with (thismarker)
    {
        sprite_index = sprite;
        image_index = index;
        image_speed = imagespeed;
        image_xscale = xscale;
        image_yscale = yscale;
        image_angle = angle;
        image_blend = blend;
        image_alpha = alpha;
        if (arg2)
            scr_depth_alt(id, arg2);
    }
    return thismarker;
}

function scr_assetgetinfo(arg0)
{
    var sprite = layer_sprite_get_sprite(arg0);
    var index = layer_sprite_get_index(arg0);
    var xloc = layer_sprite_get_x(arg0);
    var yloc = layer_sprite_get_y(arg0);
    var xscale = layer_sprite_get_xscale(arg0);
    var yscale = layer_sprite_get_yscale(arg0);
    var angle = layer_sprite_get_angle(arg0);
    var blend = layer_sprite_get_blend(arg0);
    var alpha = layer_sprite_get_alpha(arg0);
    var imagespeed = layer_sprite_get_speed(arg0);
    return [sprite, index, xloc, yloc, xscale, yscale, angle, blend, alpha, imagespeed];
}