SDL_Surface *WadImageCache::image_from_desc(WadImageDescriptor& desc)
{
SDL_Surface *surface = NULL;
OpenedFile wad_file;
if (open_wad_file_for_reading(desc.file, wad_file))
{
struct wad_header header;
if (read_wad_header(wad_file, &header))
{
struct wad_data *wad;
wad = read_indexed_wad_from_file(wad_file, &header, desc.index, true);
if (wad)
{
void *data;
size_t length;
data = extract_type_from_wad(wad, desc.tag, &length);
if (data && length)
{
SDL_RWops *rwops = SDL_RWFromConstMem(data, length);
#ifdef HAVE_SDL_IMAGE
surface = IMG_Load_RW(rwops, 1);
#else
surface = SDL_LoadBMP_RW(rwops, 1);
#endif
}
free_wad(wad);
}
}
close_wad_file(wad_file);
}
clear_game_error();
return surface;
}
void QuickSaves::enumerate() {
clear();
logContext("parsing quick saves");
QuickSaveLoader loader;
DirectorySpecifier path;
path.SetToQuickSavesDir();
loader.ParseDirectory(path);
clear_game_error();
std::sort(m_saves.begin(), m_saves.end());
std::reverse(m_saves.begin(), m_saves.end());
}
void Plugins::enumerate() {
PluginParser.AddChild(&PluginMMLParser);
PluginRootParser.AddChild(&PluginParser);
logContext("parsing plugins");
PluginLoader loader;
loader.CurrentElement = &PluginRootParser;
for (std::vector<DirectorySpecifier>::const_iterator it =
data_search_path.begin();
it != data_search_path.end(); ++it) {
DirectorySpecifier path = *it + "Plugins";
loader.ParseDirectory(path);
}
std::sort(m_plugins.begin(), m_plugins.end());
clear_game_error();
}
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();
}
}