void w_write_preferences_file(
void)
{
struct wad_header header;
/* We can be called atexit. */
if(error_pending()) {
set_game_error(systemError, errNone);
}
assert(!error_pending());
// LP: need to re-create that file to avoid
// nonexistence-induced errors in the MacOS version
Typecode Type = prefInfo->PrefsFile.GetType();
// Setting to default if _typecode_unknown
if (Type == _typecode_unknown) {
Type = _typecode_preferences;
}
// CB: delete old prefs file, we're overwriting it
// (writing can go wrong when the old file is still in place)
prefInfo->PrefsFile.Delete();
// Re-creating the file
// CB: is Create() supposed to truncate the file to zero length
// if it already exists? Then the Delete() call above can go away.
prefInfo->PrefsFile.Create(Type);
OpenedFile PrefsFile;
if (open_wad_file_for_writing(prefInfo->PrefsFile,PrefsFile)) {
struct directory_entry entry;
fill_default_wad_header(prefInfo->PrefsFile,
CURRENT_WADFILE_VERSION,
CURRENT_PREF_WADFILE_VERSION,
1, 0l,
&header);
if (write_wad_header(PrefsFile, &header)) {
int32 wad_length;
int32 offset= sizeof(struct wad_header);
/* Length? */
wad_length= calculate_wad_length(&header, prefInfo->wad);
/* Set the entry data..... (and put into correct byte-order for writing) */
set_indexed_directory_offset_and_length(&header,
&entry, 0, offset, wad_length, 0);
/* Now write it.. */
if (write_wad(PrefsFile, &header, prefInfo->wad, offset)) {
offset+= wad_length;
header.directory_offset= offset;
if (write_wad_header(PrefsFile, &header) &&
write_directorys(PrefsFile, &header, &entry)) {
/* Success! */
}
else {
assert(error_pending());
}
}
else {
assert(error_pending());
}
/* Since we don't free it, it is opened.. */
}
else {
assert(error_pending());
}
close_wad_file(PrefsFile);
}
}
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();
}
}
