SaveStateList FullpipeMetaEngine::listSaves(const char *target) const {
Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
Common::StringArray filenames;
Common::String pattern("fullpipe.s##");
filenames = saveFileMan->listSavefiles(pattern);
SaveStateList saveList;
for (Common::StringArray::const_iterator file = filenames.begin(); file != filenames.end(); ++file) {
// Obtain the last 2 digits of the filename, since they correspond to the save slot
int slotNum = atoi(file->c_str() + file->size() - 2);
if (slotNum >= 0 && slotNum <= getMaximumSaveSlot()) {
Common::ScopedPtr<Common::InSaveFile> in(saveFileMan->openForLoading(*file));
if (in) {
Fullpipe::FullpipeSavegameHeader header;
Fullpipe::readSavegameHeader(in.get(), header);
SaveStateDescriptor desc;
parseSavegameHeader(header, desc);
desc.setSaveSlot(slotNum);
saveList.push_back(desc);
}
}
}
// Sort saves based on slot number.
Common::sort(saveList.begin(), saveList.end(), SaveStateDescriptorSlotComparator());
return saveList;
}
bool readSavegameHeader(Common::InSaveFile *in, FullpipeSavegameHeader &header) {
header.thumbnail = NULL;
uint oldPos = in->pos();
in->seek(-4, SEEK_END);
int headerOffset = in->readUint32LE();
// Sanity check
if (headerOffset >= in->pos() || headerOffset == 0) {
in->seek(oldPos, SEEK_SET); // Rewind the file
fillDummyHeader(header);
return false;
}
in->seek(headerOffset, SEEK_SET);
in->read(header.id, 6);
// Validate the header Id
if (strcmp(header.id, "SVMCR")) {
in->seek(oldPos, SEEK_SET); // Rewind the file
fillDummyHeader(header);
return false;
}
header.version = in->readByte();
if (header.version != FULLPIPE_SAVEGAME_VERSION) {
in->seek(oldPos, SEEK_SET); // Rewind the file
fillDummyHeader(header);
return false;
}
header.date = in->readUint32LE();
header.time = in->readUint16LE();
header.playtime = in->readUint32LE();
// Generate savename
SaveStateDescriptor desc;
parseSavegameHeader(header, desc);
header.saveName = Common::String::format("%s %s", desc.getSaveDate().c_str(), desc.getSaveTime().c_str());
// Get the thumbnail
header.thumbnail = Graphics::loadThumbnail(*in);
in->seek(oldPos, SEEK_SET); // Rewind the file
if (!header.thumbnail)
return false;
return true;
}
SaveStateDescriptor FullpipeMetaEngine::querySaveMetaInfos(const char *target, int slot) const {
Common::ScopedPtr<Common::InSaveFile> f(g_system->getSavefileManager()->openForLoading(
Fullpipe::getSavegameFile(slot)));
if (f) {
Fullpipe::FullpipeSavegameHeader header;
Fullpipe::readSavegameHeader(f.get(), header);
// Create the return descriptor
SaveStateDescriptor desc;
parseSavegameHeader(header, desc);
desc.setSaveSlot(slot);
desc.setThumbnail(header.thumbnail);
return desc;
}
return SaveStateDescriptor();
}
