Method _save_settings_binary

utility/pcfg_loader.cpp:481–548

}

Error ProjectConfigLoader::_save_settings_binary(const String &p_file, const RBMap<String, List<String>> &proops, const uint32_t ver_major, const uint32_t ver_minor, const CustomMap &p_custom, const String &p_custom_features) {
	Error err;
	Ref<FileAccess> file = FileAccess::open(p_file, FileAccess::WRITE, &err);
	ERR_FAIL_COND_V_MSG(err != OK, err, vformat("Couldn't save project.binary at '%s'.", p_file));

	uint8_t hdr[4] = { 'E', 'C', 'F', 'G' };
	file->store_buffer(hdr, 4);

	int count = 0;

	for (const KeyValue<String, List<String>> &E : proops) {
		count += E.value.size();
	}

	if (!p_custom_features.is_empty()) {
		// Store how many properties are saved, add one for custom features, which must always go first.
		file->store_32(uint32_t(count + 1));
		String key = CoreStringName(_custom_features);
		file->store_pascal_string(key);

		int len;
		err = VariantDecoderCompat::encode_variant_compat(ver_major, p_custom_features, nullptr, len, false);
		ERR_FAIL_COND_V(err != OK, err);

		Vector<uint8_t> buff;
		buff.resize(len);

		err = VariantDecoderCompat::encode_variant_compat(ver_major, p_custom_features, buff.ptrw(), len, false);
		ERR_FAIL_COND_V(err != OK, err);
		file->store_32(uint32_t(len));
		file->store_buffer(buff.ptr(), buff.size());

	} else {
		// Store how many properties are saved.
		file->store_32(uint32_t(count));
	}

	for (const KeyValue<String, List<String>> &E : proops) {
		for (const String &key : E.value) {
			String k = key;
			if (!E.key.is_empty()) {
				k = E.key + "/" + k;
			}
			Variant value;
			if (p_custom.has(k)) {
				value = p_custom[k];
			} else {
				value = props[k].variant;
			}

			file->store_pascal_string(k);

			int len;
			err = VariantDecoderCompat::encode_variant_compat(ver_major, value, nullptr, len, true);
			ERR_FAIL_COND_V_MSG(err != OK, ERR_INVALID_DATA, "Error when trying to encode Variant.");

			Vector<uint8_t> buff;
			buff.resize(len);