GM:S 1.4 Opposite of ds_map_add_map() ?

Discussion in 'Programming' started by AlekM, Jul 1, 2018.

  1. AlekM

    AlekM Guest


    I have various ds_map's which I stuffed into one main ds_map to encode into a json file. However, I can't figure out how to copy a nested ds_map out of the ds_map it is nested in.

    Is there any way to undo the ds_map_add_map() function?

  2. Paskaler

    Paskaler Member

    Jul 4, 2016
    You need to get a reference to the added map first, using the key you passed by adding it and then call ds_map_destroy with the value returned and finally set the value at that key to noone(or anything less tham zero, as zero and up is a valid ID for a ds structure)

    var added_map = parent_map[?the_key];
    parent_map[?the_key] = noone;
    Do note that GM treats maps that are added by the function you used in a special way and it's meant for JSON encoding the maps, and I not sure if doing what I described above can lead to errors. If you don't need JSON functionality add maps using ds_map_add or the accessor.
    AlekM likes this.

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