SaveStateList SciMetaEngine::listSaves(const char *target) const {
Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
Common::StringArray filenames;
Common::String pattern = target;
pattern += ".???";
filenames = saveFileMan->listSavefiles(pattern);
sort(filenames.begin(), filenames.end()); // Sort (hopefully ensuring we are sorted numerically..)
SaveStateList saveList;
int slotNum = 0;
for (Common::StringArray::const_iterator file = filenames.begin(); file != filenames.end(); ++file) {
// Obtain the last 3 digits of the filename, since they correspond to the save slot
slotNum = atoi(file->c_str() + file->size() - 3);
if (slotNum >= 0 && slotNum <= 99) {
Common::InSaveFile *in = saveFileMan->openForLoading(*file);
if (in) {
SavegameMetadata meta;
if (!get_savegame_metadata(in, &meta)) {
// invalid
delete in;
continue;
}
saveList.push_back(SaveStateDescriptor(slotNum, meta.name));
delete in;
}
}
}
return saveList;
}
reg_t kCheckSaveGame(EngineState *s, int funct_nr, int argc, reg_t *argv) {
char *game_id = kernel_dereference_char_pointer(s, argv[0], 0);
int savedir_nr = argv[1].toUint16();
debug(3, "kCheckSaveGame(%s, %d)", game_id, savedir_nr);
Common::Array<SavegameDesc> saves;
listSavegames(saves);
savedir_nr = saves[savedir_nr].id;
if (savedir_nr > MAX_SAVEGAME_NR - 1) {
return NULL_REG;
}
Common::SaveFileManager *saveFileMan = g_engine->getSaveFileManager();
Common::String filename = ((Sci::SciEngine*)g_engine)->getSavegameName(savedir_nr);
Common::SeekableReadStream *in;
if ((in = saveFileMan->openForLoading(filename))) {
// found a savegame file
SavegameMetadata meta;
if (!get_savegame_metadata(in, &meta)) {
// invalid
s->r_acc = make_reg(0, 0);
} else {
s->r_acc = make_reg(0, 1);
}
delete in;
} else {
s->r_acc = make_reg(0, 1);
}
return s->r_acc;
}
void listSavegames(Common::Array<SavegameDesc> &saves) {
Common::SaveFileManager *saveFileMan = g_engine->getSaveFileManager();
// Load all saves
Common::StringList saveNames = saveFileMan->listSavefiles(((SciEngine *)g_engine)->getSavegamePattern());
for (Common::StringList::const_iterator iter = saveNames.begin(); iter != saveNames.end(); ++iter) {
Common::String filename = *iter;
Common::SeekableReadStream *in;
if ((in = saveFileMan->openForLoading(filename))) {
SavegameMetadata meta;
if (!get_savegame_metadata(in, &meta)) {
// invalid
delete in;
continue;
}
delete in;
SavegameDesc desc;
desc.id = strtol(filename.end() - 3, NULL, 10);
desc.date = meta.savegame_date;
desc.time = meta.savegame_time;
debug(3, "Savegame in file %s ok, id %d", filename.c_str(), desc.id);
saves.push_back(desc);
}
}
// Sort the list by creation date of the saves
qsort(saves.begin(), saves.size(), sizeof(SavegameDesc), _savegame_index_struct_compare);
}
reg_t kGetSaveFiles(EngineState *s, int funct_nr, int argc, reg_t *argv) {
char *game_id = kernel_dereference_char_pointer(s, argv[0], 0);
char *nametarget = kernel_dereference_char_pointer(s, argv[1], 0);
reg_t nametarget_base = argv[1];
reg_t *nameoffsets = kernel_dereference_reg_pointer(s, argv[2], 0);
debug(3, "kGetSaveFiles(%s,%s)", game_id, nametarget);
Common::Array<SavegameDesc> saves;
listSavegames(saves);
s->r_acc = NULL_REG;
Common::SaveFileManager *saveFileMan = g_engine->getSaveFileManager();
for (uint i = 0; i < saves.size(); i++) {
Common::String filename = ((Sci::SciEngine*)g_engine)->getSavegameName(saves[i].id);
Common::SeekableReadStream *in;
if ((in = saveFileMan->openForLoading(filename))) {
// found a savegame file
SavegameMetadata meta;
if (!get_savegame_metadata(in, &meta)) {
// invalid
delete in;
continue;
}
if (!meta.savegame_name.empty()) {
if (meta.savegame_name.lastChar() == '\n')
meta.savegame_name.deleteLastChar();
*nameoffsets = s->r_acc; // Store savegame ID
++s->r_acc.offset; // Increase number of files found
nameoffsets++; // Make sure the next ID string address is written to the next pointer
strncpy(nametarget, meta.savegame_name.c_str(), SCI_MAX_SAVENAME_LENGTH); // Copy identifier string
*(nametarget + SCI_MAX_SAVENAME_LENGTH - 1) = 0; // Make sure it's terminated
nametarget += SCI_MAX_SAVENAME_LENGTH; // Increase name offset pointer accordingly
nametarget_base.offset += SCI_MAX_SAVENAME_LENGTH;
}
delete in;
}
}
//free(gfname);
*nametarget = 0; // Terminate list
return s->r_acc;
}
SaveStateDescriptor SciMetaEngine::querySaveMetaInfos(const char *target, int slot) const {
Common::String fileName = Common::String::format("%s.%03d", target, slot);
Common::InSaveFile *in = g_system->getSavefileManager()->openForLoading(fileName);
if (in) {
SavegameMetadata meta;
if (!get_savegame_metadata(in, &meta)) {
// invalid
delete in;
SaveStateDescriptor desc(slot, "Invalid");
return desc;
}
SaveStateDescriptor desc(slot, meta.name);
Graphics::Surface *thumbnail = new Graphics::Surface();
assert(thumbnail);
if (!Graphics::loadThumbnail(*in, *thumbnail)) {
delete thumbnail;
thumbnail = 0;
}
desc.setThumbnail(thumbnail);
desc.setDeletableFlag(true);
desc.setWriteProtectedFlag(false);
int day = (meta.saveDate >> 24) & 0xFF;
int month = (meta.saveDate >> 16) & 0xFF;
int year = meta.saveDate & 0xFFFF;
desc.setSaveDate(year, month, day);
int hour = (meta.saveTime >> 16) & 0xFF;
int minutes = (meta.saveTime >> 8) & 0xFF;
desc.setSaveTime(hour, minutes);
desc.setPlayTime(meta.playTime * 1000);
delete in;
return desc;
}
return SaveStateDescriptor();
}
