Method _get_exe_embedded_pck_info

utility/gdre_packed_source.cpp:178–232

}

bool GDREPackedSource::_get_exe_embedded_pck_info(Ref<FileAccess> f, const String &p_path, EXEPCKInfo &r_info) {
	bool pck_header_found = false;
	uint32_t magic = 0;
	if (f.is_null()) {
		return false;
	}

	pck_header_found = p_path.get_extension().to_lower() == "exe" ? get_pck_section_info_windows(f, r_info) : get_pck_section_info_unix(f, r_info);
	if (pck_header_found && r_info.pck_embed_off != 0) {
		r_info.pck_actual_off = r_info.pck_embed_off;
		// Search for the header, in case PCK start and section have different alignment.
		for (int i = 0; i < 8; i++) {
			f->seek(r_info.pck_actual_off);

			magic = f->get_32();
			if (magic == PACK_HEADER_MAGIC) {
				uint64_t ret_pos = f->get_position();
				f->seek(r_info.pck_embed_off + r_info.pck_embed_size - 4);
				if (f->get_32() == PACK_HEADER_MAGIC) {
					f->seek(r_info.pck_embed_off + r_info.pck_embed_size - 12);
					r_info.pck_actual_size = f->get_64();
				} else {
					WARN_PRINT("PCK header not found at the end of the embed section.");
					r_info.pck_actual_size = r_info.pck_embed_size - i;
				}
				f->seek(ret_pos);
				return true;
			}
			r_info.pck_actual_off++;
		}
	}

	// Search for the header at the end of file - self contained executable.
	{
		f->seek_end();
		f->seek(f->get_position() - 4);
		magic = f->get_32();

		if (magic == PACK_HEADER_MAGIC) {
			f->seek(f->get_position() - 12);
			r_info.pck_actual_size = f->get_64();
			r_info.pck_embed_size = r_info.pck_actual_size + 12; // pck_size + magic at the end
			f->seek(f->get_position() - r_info.pck_actual_size - 8);
			r_info.pck_embed_off = f->get_position();
			r_info.pck_actual_off = r_info.pck_embed_off;
			magic = f->get_32();
			if (magic == PACK_HEADER_MAGIC) {
				return true;
			}
		}
	}
	r_info.pck_actual_off = 0;
	r_info.pck_actual_size = 0;
	return false;
}

bool GDREPackedSource::seek_offset_from_exe(Ref<FileAccess> f, const String &p_path, uint64_t &r_pck_size) {
	EXEPCKInfo info;