if (variant == 0)
    sprite_index = spr_ztest
if (variant == 1)
    sprite_index = spr_xtest
if (variant == 2)
    sprite_index = spr_ctest
if (variant == 0)
{
    if keyboard_multicheck(0)
        image_index = 1
    else
        image_index = 0
}
if (variant == 1)
{
    if keyboard_multicheck(1)
        image_index = 1
    else
        image_index = 0
}
if (variant == 2)
{
    if keyboard_multicheck(2)
        image_index = 1
    else
        image_index = 0
}
if (obj_cconfig.control_test == true)
    image_alpha = 1
else
    image_alpha = 0