std::string WadImageCache::image_to_new_name(SDL_Surface *image, int32 *filesize) const { // create name boost::uuids::random_generator gen; boost::uuids::uuid u = gen(); std::string ustr = boost::uuids::to_string(u); FileSpecifier File; File.SetToImageCacheDir(); File.AddPart(ustr); FileSpecifier TempFile; TempFile.SetTempName(File); int ret; //#if defined(HAVE_PNG) && defined(HAVE_SDL_IMAGE) // ret = aoIMG_SavePNG(TempFile.GetPath(), image, IMG_COMPRESS_DEFAULT, NULL, 0); #ifdef HAVE_SDL_IMAGE ret = IMG_SavePNG(image, TempFile.GetPath()); #else ret = SDL_SaveBMP(image, TempFile.GetPath()); #endif if (ret == 0 && TempFile.Rename(File)) { if (filesize) { OpenedFile of; if (File.Open(of)) of.GetLength(*filesize); } return ustr; } if (filesize) *filesize = 0; return ""; }
void create_updated_save(QuickSave& save) { // read data from existing save file struct wad_header header; struct wad_data *game_wad, *orig_meta_wad, *new_meta_wad; int32 game_wad_length; std::string imagedata; OpenedFile currentFile; if (save.save_file.Open(currentFile)) { if (read_wad_header(currentFile, &header)) { game_wad = read_indexed_wad_from_file(currentFile, &header, 0, false); if (game_wad) game_wad_length = calculate_wad_length(&header, game_wad); orig_meta_wad = read_indexed_wad_from_file(currentFile, &header, SAVE_GAME_METADATA_INDEX, true); if (orig_meta_wad) { size_t data_length; char *raw_imagedata = (char *)extract_type_from_wad(orig_meta_wad, SAVE_IMG_TAG, &data_length); imagedata = std::string(raw_imagedata, data_length); } } close_wad_file(currentFile); } // create updated save file short err = 0; int32 offset, meta_wad_length; struct directory_entry entries[2]; FileSpecifier TempFile; TempFile.SetTempName(save.save_file); if (create_wadfile(TempFile, _typecode_savegame)) { OpenedFile SaveFile; if(open_wad_file_for_writing(TempFile, SaveFile)) { if (write_wad_header(SaveFile, &header)) { offset = SIZEOF_wad_header; set_indexed_directory_offset_and_length(&header, entries, 0, offset, game_wad_length, 0); if (write_wad(SaveFile, &header, game_wad, offset)) { offset += game_wad_length; header.directory_offset= offset; new_meta_wad = build_meta_game_wad(build_save_metadata(save), imagedata, &header, &meta_wad_length); if (new_meta_wad) { set_indexed_directory_offset_and_length(&header, entries, 1, offset, meta_wad_length, SAVE_GAME_METADATA_INDEX); if (write_wad(SaveFile, &header, new_meta_wad, offset)) { offset += meta_wad_length; header.directory_offset= offset; if (write_wad_header(SaveFile, &header) && write_directorys(SaveFile, &header, entries)) { } } free_wad(new_meta_wad); } } free_wad(game_wad); free_wad(orig_meta_wad); } err = SaveFile.GetError(); close_wad_file(SaveFile); } if (!err) { if (!TempFile.Rename(save.save_file)) { err = 1; } } } if (err || error_pending()) { if (!err) err = get_game_error(NULL); alert_user(infoError, strERRORS, fileError, err); clear_game_error(); } }