Undertale Yellow script viewer

function tile_set_depth(argument0, argument1) //gml_Script_tile_set_depth

{

    var __index = argument0

    var __depth = argument1

    var __layerid = layer_get_element_layer(__index)

    if (__layerid == -1)

        return -1;

    var __currdepth = layer_get_depth(__layerid)

    if (__currdepth == __depth)

        return -1;

    var __layers = layer_get_all()

    var __numlayers = array_length_1d(__layers)

    var __layertouse = -1

    var __i = 0

    while (__i < __numlayers)

    {

        if (layer_get_depth(__layers[__i]) == __depth)

        {

            __layertouse = __layers[__i]

            break

        }

        else

        {

            __i++

            continue

        }

    }

    if (__layertouse == -1)

        __layertouse = layer_create(__depth)

    layer_element_move(__index, __layertouse)

    return layer_get_depth(__layerid);

}