How to PathRemap after load another pck file

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:information_source: Attention Topic was automatically imported from the old Question2Answer platform.
:bust_in_silhouette: Asked By CrazyLab
:warning: Old Version Published before Godot 3 was released.

In order to update my game resource. I used multi PCK file.
data.pck + patch0.pck + patch1.pck …

After downloaded the patch.pck files. I load the pck by function

Globals.load_resource_pack(“user://” + pck.name)

But when I use the scene res in patch.pck. I can’t find it. Because the res has been renamed to *.converted.scn.
Now Godot saved the PathRemap info in the engine.cfg.

My Question is:

How can I add the PathRemap info of patch.pck

4
:bust_in_silhouette: Reply From: CrazyLab

At last, I added another function

Error Globals::_reload_settings_binary(const String p_path) 
{
     Error err;
    FileAccess *f = FileAccess::open(p_path, FileAccess::READ, &err);
    if (err != OK) {
	    return err;
    }

    uint8_t hdr[4];
    f->get_buffer(hdr, 4);
    if (hdr[0] != 'E' || hdr[1] != 'C' || hdr[2] != 'F' || hdr[3] != 'G') {
	    memdelete(f);
	    ERR_EXPLAIN("Corrupted header in binary engine.cfb (not ECFG)");
	    ERR_FAIL_V(ERR_FILE_CORRUPT;)
    }

    set_registering_order(false);

    uint32_t count = f->get_32();

    for (int i = 0; i < count; i++) {

	    uint32_t slen = f->get_32();
	    CharString cs;
	    cs.resize(slen + 1);
	    cs[slen] = 0;
	    f->get_buffer((uint8_t *)cs.ptr(), slen);
	    String key;
	    key.parse_utf8(cs.ptr());

	    uint32_t vlen = f->get_32();
	    Vector<uint8_t> d;
	    d.resize(vlen);
	    f->get_buffer(d.ptr(), vlen);
	    Variant value;
	    Error err = decode_variant(value, d.ptr(), d.size());
	    ERR_EXPLAIN("Error decoding property: " + key);
	    ERR_CONTINUE(err != OK);
	    if (key == "remap/all" || key.begins_with("input/")){
		    set(key, value);
		    set_persisting(key, true);
	    }
    }

    set_registering_order(true);

    // remaps first
    DVector<String> remaps = Globals::get_singleton()->get("remap/all");
    {
	    int rlen = remaps.size();

	    //ERR_FAIL_COND(rlen % 2);
	    DVector<String>::Read r = remaps.read();
	    for (int i = 0; i < rlen / 2; i++) {

		    String from = r[i * 2 + 0];
		    String to = r[i * 2 + 1];
		    PathRemap::get_singleton()->add_remap(from, to);
	    }
    }

    InputMap::get_singleton()->load_from_globals();

    return OK;
}

which just reload the res://engine.cfb file(Which has been changed. now it’s the engine.cfg in patch.pck). reprocess PathReMap and InputMap Info.
and in the GDScript

var pck = version_meta.get_pck(i)
Globals.load_resource_pack(game_dir + pck.name)
Globals.reload_settings_binary("res://engine.cfb")

I don’t think this is a good solution Because I changed the core code of Godot. But for now, it does fulfill my demand.