Error EditorExportPlatform::save_pack(const Ref<EditorExportPreset> &p_preset, const String &p_path, Vector<SharedObject> *p_so_files) {
EditorProgress ep("savepack", TTR("Packing"), 102, true);
String tmppath = EditorSettings::get_singleton()->get_cache_dir().plus_file("packtmp");
FileAccess *ftmp = FileAccess::open(tmppath, FileAccess::WRITE);
ERR_FAIL_COND_V(!ftmp, ERR_CANT_CREATE)
PackData pd;
pd.ep = &ep;
pd.f = ftmp;
pd.so_files = p_so_files;
Error err = export_project_files(p_preset, _save_pack_file, &pd, _add_shared_object);
memdelete(ftmp); //close tmp file
if (err)
return err;
pd.file_ofs.sort(); //do sort, so we can do binary search later
FileAccess *f = FileAccess::open(p_path, FileAccess::WRITE);
ERR_FAIL_COND_V(!f, ERR_CANT_CREATE)
f->store_32(0x43504447); //GDPK
f->store_32(1); //pack version
f->store_32(VERSION_MAJOR);
f->store_32(VERSION_MINOR);
f->store_32(0); //hmph
for (int i = 0; i < 16; i++) {
//reserved
f->store_32(0);
}
f->store_32(pd.file_ofs.size()); //amount of files
size_t header_size = f->get_position();
//precalculate header size
for (int i = 0; i < pd.file_ofs.size(); i++) {
header_size += 4; // size of path string (32 bits is enough)
uint32_t string_len = pd.file_ofs[i].path_utf8.length();
header_size += string_len + _get_pad(4, string_len); ///size of path string
header_size += 8; // offset to file _with_ header size included
header_size += 8; // size of file
header_size += 16; // md5
}
size_t header_padding = _get_pad(PCK_PADDING, header_size);
for (int i = 0; i < pd.file_ofs.size(); i++) {
uint32_t string_len = pd.file_ofs[i].path_utf8.length();
uint32_t pad = _get_pad(4, string_len);
;
f->store_32(string_len + pad);
f->store_buffer((const uint8_t *)pd.file_ofs[i].path_utf8.get_data(), string_len);
for (uint32_t j = 0; j < pad; j++) {
f->store_8(0);
}
f->store_64(pd.file_ofs[i].ofs + header_padding + header_size);
f->store_64(pd.file_ofs[i].size); // pay attention here, this is where file is
f->store_buffer(pd.file_ofs[i].md5.ptr(), 16); //also save md5 for file
}
for (uint32_t j = 0; j < header_padding; j++) {
f->store_8(0);
}
//save the rest of the data
ftmp = FileAccess::open(tmppath, FileAccess::READ);
if (!ftmp) {
memdelete(f);
ERR_FAIL_COND_V(!ftmp, ERR_CANT_CREATE)
}
