GML asset_get_list_array

// Compile the names (string), of the asset type, in array
// You can also add specific name in _prefix (argument1) (e.g. "spr_bg" will find asset's name that begin with "spr_bg")
// REF: https://manual.yoyogames.com/GameMaker_Language/GML_Reference/Asset_Management/Assets_And_Tags/asset_add_tags.htm

function asset_get_list_array(type, _prefix = "") {
    var _arr = [], i = 0;

    switch (type) {
        default: return undefined;
        case asset_sprite:
            while sprite_exists(i) {
                var name = sprite_get_name(i);
                if string_copy(name, 1, string_length(_prefix)) == _prefix {_arr[i] = name;}
                i++;
            }
            break;
        case asset_object:
            while object_exists(i) {
                var name = object_get_name(i);
                if string_copy(name, 1, string_length(_prefix)) == _prefix {_arr[i] = name;}
                i++;
            }
            break;
        case asset_sound:
            while audio_exists(i) {
                var name = audio_get_name(i);
                if string_copy(name, 1, string_length(_prefix)) == _prefix {_arr[i] = name;}
                i++;
            }
            break;
    }

    return _arr;
}