bool physics_file_is_m1(void) { bool m1_physics = false; // check for M1 physics OpenedFile PhysicsFile; short SavedType, SavedError = get_game_error(&SavedType); if (PhysicsFileSpec.Open(PhysicsFile)) { uint32 tag = SDL_ReadBE32(PhysicsFile.GetRWops()); switch (tag) { case M1_MONSTER_PHYSICS_TAG: case M1_EFFECTS_PHYSICS_TAG: case M1_PROJECTILE_PHYSICS_TAG: case M1_PHYSICS_PHYSICS_TAG: case M1_WEAPONS_PHYSICS_TAG: m1_physics = true; break; default: break; } PhysicsFile.Close(); } set_game_error(SavedType, SavedError); return m1_physics; }
void *get_network_physics_buffer( int32 *physics_length) { if (physics_file_is_m1()) { bool success = false; uint8 *data = NULL; OpenedFile PhysicsFile; if (PhysicsFileSpec.Open(PhysicsFile) && PhysicsFile.GetLength(*physics_length)) { data = (uint8 *)malloc(*physics_length + 4); SDL_RWops *ops = SDL_RWFromMem(data, *physics_length + 4); success = SDL_WriteBE32(ops, uint32(M1_PHYSICS_MAGIC_COOKIE)); if (success) success = SDL_WriteBE32(ops, uint32(*physics_length)); SDL_RWclose(ops); if (success) success = PhysicsFile.Read(*physics_length, &data[8]); if (!success) free(data); } if (!success) { *physics_length = 0; return NULL; } return data; } short SavedType, SavedError = get_game_error(&SavedType); void *data= get_flat_data(PhysicsFileSpec, false, 0); set_game_error(SavedType, SavedError); if(data) { *physics_length= get_flat_data_length(data); } else { *physics_length= 0; } return data; }
/* preferences pointer.. */ bool w_open_preferences_file( char *PrefName, Typecode Type) { int error = 0; bool success= true; /* allocate space for our global structure to keep track of the prefs file */ prefInfo = NULL; try { prefInfo = new preferences_info; #if defined(mac) prefInfo->PrefsFile.SetParentToPreferences(); prefInfo->PrefsFile.SetName(PrefName,Type); /* check for the preferences folder using FindFolder, creating it if necessary */ #elif defined(SDL) prefInfo->PrefsFile.SetToPreferencesDir(); prefInfo->PrefsFile += PrefName; #endif /* does the preferences file exist? */ load_preferences(); /* Uses prefInfo.. */ if(error_pending()) { short type; error= get_game_error(&type); if(type==systemError) { if (!prefInfo->PrefsFile.Exists()) { prefInfo->PrefsFile.Create(Type); prefInfo->wad = create_empty_wad(); set_game_error(systemError,prefInfo->PrefsFile.GetError()); w_write_preferences_file(); } } else { /* Something was invalid.. */ if (prefInfo->PrefsFile.Delete()) { prefInfo->wad= create_empty_wad(); set_game_error(systemError, error); w_write_preferences_file(); } set_game_error(systemError, errNone); } } } catch (...) { dprintf("In \"catch\""); set_game_error(systemError, memory_error()); } if (error) { /* if something is broken, make sure we at least return valid prefs */ if(prefInfo && !prefInfo->wad) { prefInfo->wad= create_empty_wad(); } } /* Gotta bail... */ if(!prefInfo || !prefInfo->wad) { success= false; } // dump_wad(prefInfo->wad); return success; }
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(); } }