static void io_writeto() {
lua_Object f = lua_getparam(FIRSTARG);
if (f == LUA_NOOBJECT) {
closefile(FOUTPUT);
setreturn(2, FOUTPUT);
} else if (lua_tag(f) == gettag(IOTAG)) {
int32 id = lua_getuserdata(f);
LuaFile *current = getfile(id);
if (!current->isOpen()) {
pushresult(0);
return;
}
setreturn(id, FOUTPUT);
} else {
Common::String s = Common::lastPathComponent(luaL_check_string(FIRSTARG), '\\');
LuaFile *current;
Common::WriteStream *outFile = NULL;
Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
outFile = saveFileMan->openForSaving(s);
if (!outFile) {
pushresult(0);
return;
}
current = new LuaFile();
current->_out = outFile;
current->_filename = s;
setreturn(addfile(current), FOUTPUT);
}
}
Common::OutSaveFile *SaveWriter::openSave(const Common::String &fileName) {
if (fileName.empty())
return 0;
Common::SaveFileManager *saveMan = g_system->getSavefileManager();
return saveMan->openForSaving(fileName);
}
Common::Error saveSavegameData(int saveGameIdx, const Common::String &saveName, DraciEngine &vm) {
Common::String filename = vm.getSavegameFile(saveGameIdx);
Common::SaveFileManager *saveMan = g_system->getSavefileManager();
Common::OutSaveFile *f = saveMan->openForSaving(filename);
if (f == NULL)
return Common::kNoGameDataFoundError;
TimeDate curTime;
vm._system->getTimeAndDate(curTime);
// Save the savegame header
DraciSavegameHeader header;
header.saveName = saveName;
header.date = ((curTime.tm_mday & 0xFF) << 24) | (((curTime.tm_mon + 1) & 0xFF) << 16) | ((curTime.tm_year + 1900) & 0xFFFF);
header.time = ((curTime.tm_hour & 0xFF) << 8) | ((curTime.tm_min) & 0xFF);
header.playtime = vm.getTotalPlayTime() / 1000;
writeSavegameHeader(f, header);
if (f->err()) {
delete f;
saveMan->removeSavefile(filename);
return Common::kWritingFailed;
} else {
// Create the remainder of the savegame
Common::Serializer s(NULL, f);
vm._game->DoSync(s);
f->finalize();
delete f;
return Common::kNoError;
}
}
Common::Error saveSavegameData(int saveGameIdx, const Common::String &saveName) {
const char *filename = _vm->getSavegameFile(saveGameIdx);
Common::SaveFileManager *saveMan = g_system->getSavefileManager();
Common::OutSaveFile *f = saveMan->openForSaving(filename);
if (f == NULL)
return Common::kNoGameDataFoundError;
// Save the savegame header
CruiseSavegameHeader header;
header.saveName = saveName;
writeSavegameHeader(f, header);
if (f->err()) {
delete f;
saveMan->removeSavefile(filename);
return Common::kWritingFailed;
} else {
// Create the remainder of the savegame
Common::Serializer s(NULL, f);
DoSync(s);
f->finalize();
delete f;
return Common::kNoError;
}
}
static void io_appendto() {
Common::String s = Common::lastPathComponent(luaL_check_string(FIRSTARG), '\\');
Common::SeekableReadStream *inFile = NULL;
Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
inFile = saveFileMan->openForLoading(s);
if (!inFile) {
pushresult(0);
return;
}
int size = inFile->size();
byte *buf = new byte[size];
inFile->read(buf, size);
delete inFile;
Common::WriteStream *outFile = NULL;
outFile = saveFileMan->openForSaving(s);
if (!outFile)
pushresult(0);
else {
outFile->write(buf, size);
LuaFile *current = new LuaFile();
current->_out = outFile;
current->_filename = s;
setreturn(addfile(current), FOUTPUT);
}
delete[] buf;
}
Common::OutSaveFile *SlotFileStatic::openWrite() const {
Common::String name = build();
if (name.empty())
return 0;
Common::SaveFileManager *saveMan = g_system->getSavefileManager();
Common::OutSaveFile *result = saveMan->openForSaving(name);
return result;
}
void SaveManager::saveGame(uint slot, const Common::String &saveName, Common::MemoryWriteStreamDynamic *stream) {
Common::SaveFileManager *saveFileManager = g_system->getSavefileManager();
Common::OutSaveFile *file = saveFileManager->openForSaving(_engine->generateSaveFileName(slot));
writeSaveGameHeader(file, saveName);
file->write(stream->getData(), stream->size());
file->finalize();
delete file;
}
void SaveManager::saveGame(uint slot, const Common::String &saveName) {
// The games only support 20 slots
//assert(slot <= 1 && slot <= 20);
Common::SaveFileManager *saveFileManager = g_system->getSavefileManager();
Common::OutSaveFile *file = saveFileManager->openForSaving(_engine->generateSaveFileName(slot));
writeSaveGameHeader(file, saveName);
_engine->getScriptManager()->serialize(file);
file->finalize();
delete file;
}
/**
* This test creates a savefile for the given testbed-state and could be reloaded using the saveFile API.
* It is intended to test saving and loading from savefiles.
*/
bool SaveGametests::writeDataToFile(const char *fileName, const char *msg) {
Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
Common::OutSaveFile *saveFile = saveFileMan->openForSaving(fileName);
if (!saveFile) {
Testsuite::logDetailedPrintf("Can't open saveFile %s\n", fileName);
return false;
}
saveFile->writeString(msg);
saveFile->finalize();
delete saveFile;
return true;
}
bool BasePersistenceManager::saveFile(const Common::String &filename) {
byte *prefixBuffer = _richBuffer;
uint32 prefixSize = _richBufferSize;
byte *buffer = ((Common::MemoryWriteStreamDynamic *)_saveStream)->getData();
uint32 bufferSize = ((Common::MemoryWriteStreamDynamic *)_saveStream)->size();
Common::SaveFileManager *saveMan = ((WintermuteEngine *)g_engine)->getSaveFileMan();
Common::OutSaveFile *file = saveMan->openForSaving(filename);
file->write(prefixBuffer, prefixSize);
file->write(buffer, bufferSize);
bool retVal = !file->err();
file->finalize();
delete file;
return retVal;
}
void SkyMetaEngine::removeSaveState(const char *target, int slot) const {
if (slot == 0) // do not delete the auto save
return;
Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
char fName[20];
sprintf(fName,"SKY-VM.%03d", slot - 1);
saveFileMan->removeSavefile(fName);
// Load current save game descriptions
Common::StringArray savenames;
savenames.resize(MAX_SAVE_GAMES+1);
Common::InSaveFile *inf;
inf = saveFileMan->openForLoading("SKY-VM.SAV");
if (inf != NULL) {
char *tmpBuf = new char[MAX_SAVE_GAMES * MAX_TEXT_LEN];
char *tmpPtr = tmpBuf;
inf->read(tmpBuf, MAX_SAVE_GAMES * MAX_TEXT_LEN);
for (int i = 0; i < MAX_SAVE_GAMES; ++i) {
savenames[i] = tmpPtr;
tmpPtr += savenames[i].size() + 1;
}
delete inf;
delete[] tmpBuf;
}
// Update the save game description at the given slot
savenames[slot - 1] = "";
// Save the updated descriptions
Common::OutSaveFile *outf;
outf = saveFileMan->openForSaving("SKY-VM.SAV");
bool ioFailed = true;
if (outf) {
for (uint16 cnt = 0; cnt < MAX_SAVE_GAMES; cnt++) {
outf->write(savenames[cnt].c_str(), savenames[cnt].size() + 1);
}
outf->finalize();
if (!outf->err())
ioFailed = false;
delete outf;
}
if (ioFailed)
warning("Unable to store Savegame names to file SKY-VM.SAV. (%s)", saveFileMan->popErrorDesc().c_str());
}
bool LabEngine::saveGame(int slot, const Common::String desc) {
Common::String fileName = generateSaveFileName(slot);
Common::SaveFileManager *saveFileManager = _system->getSavefileManager();
Common::OutSaveFile *file = saveFileManager->openForSaving(fileName);
if (!file)
return false;
// Load scene pic
_graphics->readPict(getPictName(false));
writeSaveGameHeader(file, desc);
file->writeUint16LE(_roomNum);
file->writeUint16LE(getDirection());
file->writeUint16LE(getQuarters());
// Conditions
for (int i = 0; i < _conditions->_lastElement / (8 * 2); i++)
file->writeUint16LE(_conditions->_array[i]);
// Rooms found
for (int i = 0; i < _roomsFound->_lastElement / (8 * 2); i++)
file->writeUint16LE(_roomsFound->_array[i]);
_specialLocks->save(file);
// Breadcrumbs
for (uint i = 0; i < MAX_CRUMBS; i++) {
file->writeUint16LE(_breadCrumbs[i]._crumbRoomNum);
file->writeUint16LE(_breadCrumbs[i]._crumbDirection);
}
file->flush();
file->finalize();
delete file;
_mainDisplay = true;
_alternate = false;
_event->simulateEvent();
_graphics->screenUpdate();
return true;
}
void SaveManager::saveGame(uint slot, const Common::String &saveName, bool useSaveBuffer) {
if (!_tempSave && useSaveBuffer)
return;
Common::SaveFileManager *saveFileManager = g_system->getSavefileManager();
Common::OutSaveFile *file = saveFileManager->openForSaving(_engine->generateSaveFileName(slot));
writeSaveGameHeader(file, saveName, useSaveBuffer);
if (useSaveBuffer)
file->write(_tempSave->getData(), _tempSave->size());
else
_engine->getScriptManager()->serialize(file);
file->finalize();
delete file;
if (useSaveBuffer)
flushSaveBuffer();
_lastSaveTime = g_system->getMillis();
}
Common::Error SciEngine::saveGameState(int slot, const Common::String &desc) {
Common::String fileName = Common::String::format("%s.%03d", _targetName.c_str(), slot);
Common::SaveFileManager *saveFileMan = g_engine->getSaveFileManager();
Common::OutSaveFile *out = saveFileMan->openForSaving(fileName);
const char *version = "";
if (!out) {
warning("Opening savegame \"%s\" for writing failed", fileName.c_str());
return Common::kWritingFailed;
}
if (!gamestate_save(_gamestate, out, desc, version)) {
warning("Saving the game state to '%s' failed", fileName.c_str());
return Common::kWritingFailed;
} else {
out->finalize();
if (out->err()) {
warning("Writing the savegame failed");
return Common::kWritingFailed;
}
delete out;
}
return Common::kNoError;
}
bool DMEngine::writeCompleteSaveFile(int16 saveSlot, Common::String& saveDescription, int16 saveAndPlayChoice) {
Common::String savefileName = getSavefileName(saveSlot);
Common::SaveFileManager *saveFileManager = _system->getSavefileManager();
Common::OutSaveFile *file = saveFileManager->openForSaving(savefileName);
if (!file)
return false;
writeSaveGameHeader(file, saveDescription);
file->writeSint32BE(_gameVersion->_saveTargetToWrite);
file->writeSint32BE(1); // save version
file->writeSint32BE(_gameVersion->_origSaveFormatToWrite);
file->writeSint32BE(_gameVersion->_origPlatformToWrite);
// Was _gameID, useless.
file->writeSint32BE(0);
file->writeUint16BE(_dungeonId);
// write C0_SAVE_PART_GLOBAL_DATA part
file->writeSint32BE(_gameTime);
//L1348_s_GlobalData.LastRandomNumber = G0349_ul_LastRandomNumber;
file->writeUint16BE(_championMan->_partyChampionCount);
file->writeSint16BE(_dungeonMan->_partyMapX);
file->writeSint16BE(_dungeonMan->_partyMapY);
file->writeUint16BE(_dungeonMan->_partyDir);
file->writeByte(_dungeonMan->_partyMapIndex);
file->writeSint16BE(_championMan->_leaderIndex);
file->writeSint16BE(_championMan->_magicCasterChampionIndex);
file->writeUint16BE(_timeline->_eventCount);
file->writeUint16BE(_timeline->_firstUnusedEventIndex);
file->writeUint16BE(_timeline->_eventMaxCount);
file->writeUint16BE(_groupMan->_currActiveGroupCount);
file->writeSint32BE(_projexpl->_lastCreatureAttackTime);
file->writeSint32BE(_projexpl->_lastPartyMovementTime);
file->writeSint16BE(_disabledMovementTicks);
file->writeSint16BE(_projectileDisableMovementTicks);
file->writeSint16BE(_lastProjectileDisabledMovementDirection);
file->writeUint16BE(_championMan->_leaderHandObject.toUint16());
file->writeUint16BE(_groupMan->_maxActiveGroupCount);
// write C1_SAVE_PART_ACTIVE_GROUP part
_groupMan->saveActiveGroupPart(file);
// write C2_SAVE_PART_PARTY part
_championMan->savePartyPart2(file);
// write C3_SAVE_PART_EVENTS part
_timeline->saveEventsPart(file);
// write C4_SAVE_PART_TIMELINE part
_timeline->saveTimelinePart(file);
// write sentinel
file->writeUint32BE(0x6f85e3d3);
// save _g278_dungeonFileHeader
DungeonFileHeader &header = _dungeonMan->_dungeonFileHeader;
file->writeUint16BE(header._ornamentRandomSeed);
file->writeUint16BE(header._rawMapDataSize);
file->writeByte(header._mapCount);
file->writeByte(0); // to match the structure of dungeon.dat, will be discarded
file->writeUint16BE(header._textDataWordCount);
file->writeUint16BE(header._partyStartLocation);
file->writeUint16BE(header._squareFirstThingCount);
for (uint16 i = 0; i < 16; ++i)
file->writeUint16BE(header._thingCounts[i]);
// save _g277_dungeonMaps
for (uint16 i = 0; i < _dungeonMan->_dungeonFileHeader._mapCount; ++i) {
Map &map = _dungeonMan->_dungeonMaps[i];
file->writeUint16BE(map._rawDunDataOffset);
file->writeUint32BE(0); // to match the structure of dungeon.dat, will be discarded
file->writeByte(map._offsetMapX);
file->writeByte(map._offsetMapY);
uint16 tmp;
tmp = ((map._height & 0x1F) << 11) | ((map._width & 0x1F) << 6) | (map._level & 0x3F);
file->writeUint16BE(tmp);
tmp = ((map._randFloorOrnCount & 0xF) << 12) | ((map._floorOrnCount & 0xF) << 8)
| ((map._randWallOrnCount & 0xF) << 4) | (map._wallOrnCount & 0xF);
file->writeUint16BE(tmp);
tmp = ((map._difficulty & 0xF) << 12) | ((map._creatureTypeCount & 0xF) << 4) | (map._doorOrnCount & 0xF);
file->writeUint16BE(tmp);
tmp = ((map._doorSet1 & 0xF) << 12) | ((map._doorSet0 & 0xF) << 8)
| ((map._wallSet & 0xF) << 4) | (map._floorSet & 0xF);
file->writeUint16BE(tmp);
}
// save _g280_dungeonColumnsCumulativeSquareThingCount
for (uint16 i = 0; i < _dungeonMan->_dungeonColumCount; ++i)
file->writeUint16BE(_dungeonMan->_dungeonColumnsCumulativeSquareThingCount[i]);
// save _g283_squareFirstThings
for (uint16 i = 0; i < _dungeonMan->_dungeonFileHeader._squareFirstThingCount; ++i)
file->writeUint16BE(_dungeonMan->_squareFirstThings[i].toUint16());
// save _g260_dungeonTextData
for (uint16 i = 0; i < _dungeonMan->_dungeonFileHeader._textDataWordCount; ++i)
file->writeUint16BE(_dungeonMan->_dungeonTextData[i]);
// save _g284_thingData
for (uint16 thingIndex = 0; thingIndex < 16; ++thingIndex)
for (uint16 i = 0; i < _dungeonMan->_thingDataWordCount[thingIndex] * _dungeonMan->_dungeonFileHeader._thingCounts[thingIndex]; ++i)
file->writeUint16BE(_dungeonMan->_thingData[thingIndex][i]);
// save _g276_dungeonRawMapData
for (uint32 i = 0; i < _dungeonMan->_dungeonFileHeader._rawMapDataSize; ++i)
file->writeByte(_dungeonMan->_dungeonRawMapData[i]);
file->flush();
file->finalize();
delete file;
return true;
}
/**
* Save game to supplied slot
*/
bool FileManager::saveGame(const int16 slot, const Common::String &descrip) {
debugC(1, kDebugFile, "saveGame(%d, %s)", slot, descrip.c_str());
int16 savegameId;
Common::String savegameDescription;
if (slot == -1) {
GUI::SaveLoadChooser *dialog = new GUI::SaveLoadChooser("Save game:", "Save", true);
savegameId = dialog->runModalWithCurrentTarget();
savegameDescription = dialog->getResultString();
delete dialog;
} else {
savegameId = slot;
if (!descrip.empty()) {
savegameDescription = descrip;
} else {
savegameDescription = Common::String::format("Quick save #%d", slot);
}
}
if (savegameId < 0) // dialog aborted
return false;
Common::String savegameFile = _vm->getSavegameFilename(savegameId);
Common::SaveFileManager *saveMan = g_system->getSavefileManager();
Common::OutSaveFile *out = saveMan->openForSaving(savegameFile);
if (!out) {
warning("Can't create file '%s', game not saved", savegameFile.c_str());
return false;
}
// Write version. We can't restore from obsolete versions
out->writeByte(kSavegameVersion);
if (savegameDescription == "") {
savegameDescription = "Untitled savegame";
}
out->writeSint16BE(savegameDescription.size() + 1);
out->write(savegameDescription.c_str(), savegameDescription.size() + 1);
Graphics::saveThumbnail(*out);
TimeDate curTime;
_vm->_system->getTimeAndDate(curTime);
uint32 saveDate = (curTime.tm_mday & 0xFF) << 24 | ((curTime.tm_mon + 1) & 0xFF) << 16 | ((curTime.tm_year + 1900) & 0xFFFF);
uint16 saveTime = (curTime.tm_hour & 0xFF) << 8 | ((curTime.tm_min) & 0xFF);
out->writeUint32BE(saveDate);
out->writeUint16BE(saveTime);
_vm->_object->saveObjects(out);
const Status &gameStatus = _vm->getGameStatus();
// Save whether hero image is swapped
out->writeByte(_vm->_heroImage);
// Save score
out->writeSint16BE(_vm->getScore());
// Save story mode
out->writeByte((gameStatus._storyModeFl) ? 1 : 0);
// Save jumpexit mode
out->writeByte((_vm->_mouse->getJumpExitFl()) ? 1 : 0);
// Save gameover status
out->writeByte((gameStatus._gameOverFl) ? 1 : 0);
// Save screen states
for (int i = 0; i < _vm->_numStates; i++)
out->writeByte(_vm->_screenStates[i]);
_vm->_scheduler->saveSchedulerData(out);
// Save palette table
_vm->_screen->savePal(out);
// Save maze status
out->writeByte((_vm->_maze._enabledFl) ? 1 : 0);
out->writeByte(_vm->_maze._size);
out->writeSint16BE(_vm->_maze._x1);
out->writeSint16BE(_vm->_maze._y1);
out->writeSint16BE(_vm->_maze._x2);
out->writeSint16BE(_vm->_maze._y2);
out->writeSint16BE(_vm->_maze._x3);
out->writeSint16BE(_vm->_maze._x4);
out->writeByte(_vm->_maze._firstScreenIndex);
out->writeByte((byte)_vm->getGameStatus()._viewState);
out->finalize();
delete out;
return true;
}
reg_t kSaveGame(EngineState *s, int argc, reg_t *argv) {
Common::String game_id;
int16 virtualId = argv[1].toSint16();
int16 savegameId = -1;
Common::String game_description;
Common::String version;
if (argc > 3)
version = s->_segMan->getString(argv[3]);
// We check here, we don't want to delete a users save in case we are within a kernel function
if (s->executionStackBase) {
warning("kSaveGame - won't save from within kernel function");
return NULL_REG;
}
if (argv[0].isNull()) {
// Direct call, from a patched Game::save
if ((argv[1] != SIGNAL_REG) || (!argv[2].isNull()))
error("kSaveGame: assumed patched call isn't accurate");
// we are supposed to show a dialog for the user and let him choose where to save
g_sci->_soundCmd->pauseAll(true); // pause music
GUI::SaveLoadChooser *dialog = new GUI::SaveLoadChooser(_("Save game:"), _("Save"), true);
savegameId = dialog->runModalWithCurrentTarget();
game_description = dialog->getResultString();
if (game_description.empty()) {
// create our own description for the saved game, the user didnt enter it
game_description = dialog->createDefaultSaveDescription(savegameId);
}
delete dialog;
g_sci->_soundCmd->pauseAll(false); // unpause music ( we can't have it paused during save)
if (savegameId < 0)
return NULL_REG;
} else {
// Real call from script
game_id = s->_segMan->getString(argv[0]);
if (argv[2].isNull())
error("kSaveGame: called with description being NULL");
game_description = s->_segMan->getString(argv[2]);
debug(3, "kSaveGame(%s,%d,%s,%s)", game_id.c_str(), virtualId, game_description.c_str(), version.c_str());
Common::Array<SavegameDesc> saves;
listSavegames(saves);
if ((virtualId >= SAVEGAMEID_OFFICIALRANGE_START) && (virtualId <= SAVEGAMEID_OFFICIALRANGE_END)) {
// savegameId is an actual Id, so search for it just to make sure
savegameId = virtualId - SAVEGAMEID_OFFICIALRANGE_START;
if (findSavegame(saves, savegameId) == -1)
return NULL_REG;
} else if (virtualId < SAVEGAMEID_OFFICIALRANGE_START) {
// virtualId is low, we assume that scripts expect us to create new slot
if (virtualId == s->_lastSaveVirtualId) {
// if last virtual id is the same as this one, we assume that caller wants to overwrite last save
savegameId = s->_lastSaveNewId;
} else {
uint savegameNr;
// savegameId is in lower range, scripts expect us to create a new slot
for (savegameId = 0; savegameId < SAVEGAMEID_OFFICIALRANGE_START; savegameId++) {
for (savegameNr = 0; savegameNr < saves.size(); savegameNr++) {
if (savegameId == saves[savegameNr].id)
break;
}
if (savegameNr == saves.size())
break;
}
if (savegameId == SAVEGAMEID_OFFICIALRANGE_START)
error("kSavegame: no more savegame slots available");
}
} else {
error("kSaveGame: invalid savegameId used");
}
// Save in case caller wants to overwrite last newly created save
s->_lastSaveVirtualId = virtualId;
s->_lastSaveNewId = savegameId;
}
s->r_acc = NULL_REG;
Common::String filename = g_sci->getSavegameName(savegameId);
Common::SaveFileManager *saveFileMan = g_sci->getSaveFileManager();
Common::OutSaveFile *out;
out = saveFileMan->openForSaving(filename);
if (!out) {
warning("Error opening savegame \"%s\" for writing", filename.c_str());
} else {
if (!gamestate_save(s, out, game_description, version)) {
warning("Saving the game failed");
} else {
s->r_acc = TRUE_REG; // save successful
}
out->finalize();
if (out->err()) {
warning("Writing the savegame failed");
s->r_acc = NULL_REG; // write failure
}
delete out;
}
return s->r_acc;
}
reg_t kFileIOExists(EngineState *s, int argc, reg_t *argv) {
Common::String name = s->_segMan->getString(argv[0]);
#ifdef ENABLE_SCI32
// Cache the file existence result for the Phantasmagoria
// save index file, as the game scripts keep checking for
// its existence.
if (name == PHANTASMAGORIA_SAVEGAME_INDEX && s->_virtualIndexFile)
return TRUE_REG;
#endif
bool exists = false;
// Check for regular file
exists = Common::File::exists(name);
// Check for a savegame with the name
Common::SaveFileManager *saveFileMan = g_sci->getSaveFileManager();
if (!exists)
exists = !saveFileMan->listSavefiles(name).empty();
// Try searching for the file prepending "target-"
const Common::String wrappedName = g_sci->wrapFilename(name);
if (!exists) {
exists = !saveFileMan->listSavefiles(wrappedName).empty();
}
// SCI2+ debug mode
if (DebugMan.isDebugChannelEnabled(kDebugLevelDebugMode)) {
if (!exists && name == "1.scr") // PQ4
exists = true;
if (!exists && name == "18.scr") // QFG4
exists = true;
if (!exists && name == "99.scr") // GK1, KQ7
exists = true;
if (!exists && name == "classes") // GK2, SQ6, LSL7
exists = true;
}
// Special case for non-English versions of LSL5: The English version of
// LSL5 calls kFileIO(), case K_FILEIO_OPEN for reading to check if
// memory.drv exists (which is where the game's password is stored). If
// it's not found, it calls kFileIO() again, case K_FILEIO_OPEN for
// writing and creates a new file. Non-English versions call kFileIO(),
// case K_FILEIO_FILE_EXISTS instead, and fail if memory.drv can't be
// found. We create a default memory.drv file with no password, so that
// the game can continue.
if (!exists && name == "memory.drv") {
// Create a new file, and write the bytes for the empty password
// string inside
byte defaultContent[] = { 0xE9, 0xE9, 0xEB, 0xE1, 0x0D, 0x0A, 0x31, 0x30, 0x30, 0x30 };
Common::WriteStream *outFile = saveFileMan->openForSaving(wrappedName);
for (int i = 0; i < 10; i++)
outFile->writeByte(defaultContent[i]);
outFile->finalize();
exists = !outFile->err(); // check whether we managed to create the file.
delete outFile;
}
// Special case for KQ6 Mac: The game checks for two video files to see
// if they exist before it plays them. Since we support multiple naming
// schemes for resource fork files, we also need to support that here in
// case someone has a "HalfDome.bin" file, etc.
if (!exists && g_sci->getGameId() == GID_KQ6 && g_sci->getPlatform() == Common::kPlatformMacintosh &&
(name == "HalfDome" || name == "Kq6Movie"))
exists = Common::MacResManager::exists(name);
debugC(kDebugLevelFile, "kFileIO(fileExists) %s -> %d", name.c_str(), exists);
return make_reg(0, exists);
}
bool PersistenceService::saveGame(uint slotID, const Common::String &screenshotFilename) {
// FIXME: This code is a hack which bypasses the savefile API,
// and should eventually be removed.
// Überprüfen, ob die Slot-ID zulässig ist.
if (slotID >= SLOT_COUNT) {
error("Tried to save to an invalid slot (%d). Only slot ids form 0 to %d are allowed.", slotID, SLOT_COUNT - 1);
return false;
}
// Dateinamen erzeugen.
Common::String filename = generateSavegameFilename(slotID);
// Spielstanddatei öffnen und die Headerdaten schreiben.
Common::SaveFileManager *sfm = g_system->getSavefileManager();
Common::OutSaveFile *file = sfm->openForSaving(filename);
file->writeString(FILE_MARKER);
file->writeByte(0);
file->writeString(VERSIONID);
file->writeByte(0);
char buf[20];
snprintf(buf, 20, "%d", VERSIONNUM);
file->writeString(buf);
file->writeByte(0);
TimeDate dt;
g_system->getTimeAndDate(dt);
file->writeString(formatTimestamp(dt));
file->writeByte(0);
if (file->err()) {
error("Unable to write header data to savegame file \"%s\".", filename.c_str());
}
// Alle notwendigen Module persistieren.
OutputPersistenceBlock writer;
bool success = true;
success &= Kernel::getInstance()->getScript()->persist(writer);
success &= RegionRegistry::instance().persist(writer);
success &= Kernel::getInstance()->getGfx()->persist(writer);
success &= Kernel::getInstance()->getSfx()->persist(writer);
success &= Kernel::getInstance()->getInput()->persist(writer);
if (!success) {
error("Unable to persist modules for savegame file \"%s\".", filename.c_str());
}
// Write the save game data uncompressed, since the final saved game will be
// compressed anyway.
char sBuffer[10];
snprintf(sBuffer, 10, "%u", writer.getDataSize());
file->writeString(sBuffer);
file->writeByte(0);
snprintf(sBuffer, 10, "%u", writer.getDataSize());
file->writeString(sBuffer);
file->writeByte(0);
file->write(writer.getData(), writer.getDataSize());
// Get the screenshot
Common::SeekableReadStream *thumbnail = Kernel::getInstance()->getGfx()->getThumbnail();
if (thumbnail) {
byte *buffer = new byte[FILE_COPY_BUFFER_SIZE];
thumbnail->seek(0, SEEK_SET);
while (!thumbnail->eos()) {
int bytesRead = thumbnail->read(&buffer[0], FILE_COPY_BUFFER_SIZE);
file->write(&buffer[0], bytesRead);
}
delete[] buffer;
} else {
warning("The screenshot file \"%s\" does not exist. Savegame is written without a screenshot.", filename.c_str());
}
file->finalize();
delete file;
// Savegameinformationen für diesen Slot aktualisieren.
_impl->readSlotSavegameInformation(slotID);
// Empty the cache, to remove old thumbnails
Kernel::getInstance()->getResourceManager()->emptyThumbnailCache();
// Erfolg signalisieren.
return true;
}
void file_open(EngineState *s, const char *filename, int mode) {
const Common::String wrappedName = ((Sci::SciEngine*)g_engine)->wrapFilename(filename);
Common::SeekableReadStream *inFile = 0;
Common::WriteStream *outFile = 0;
Common::SaveFileManager *saveFileMan = g_engine->getSaveFileManager();
if (mode == _K_FILE_MODE_OPEN_OR_FAIL) {
// Try to open file, abort if not possible
inFile = saveFileMan->openForLoading(wrappedName);
// If no matching savestate exists: fall back to reading from a regular file
if (!inFile)
inFile = SearchMan.createReadStreamForMember(filename);
if (!inFile)
warning("file_open(_K_FILE_MODE_OPEN_OR_FAIL) failed to open file '%s'", filename);
} else if (mode == _K_FILE_MODE_CREATE) {
// Create the file, destroying any content it might have had
outFile = saveFileMan->openForSaving(wrappedName);
if (!outFile)
warning("file_open(_K_FILE_MODE_CREATE) failed to create file '%s'", filename);
} else if (mode == _K_FILE_MODE_OPEN_OR_CREATE) {
// Try to open file, create it if it doesn't exist
// FIXME: I am disabling this for now, as it's not quite clear what
// should happen if the given file already exists... open it for appending?
// Or (more likely), open it for reading *and* writing? We may have to
// clone the file for that, etc., see also the long comment at the start
// of this file.
// We really need some examples on how this is used.
error("file_open(_K_FILE_MODE_OPEN_OR_CREATE) File creation currently not supported");
} else {
error("file_open: unsupported mode %d", mode);
}
if (!inFile && !outFile) { // Failed
debug(3, "file_open() failed");
s->r_acc = make_reg(0, 0xffff);
return;
}
#if 0
// FIXME: The old FreeSCI code for opening a file. Left as a reference, as apparently
// the implementation below used to work well enough.
debugC(2, kDebugLevelFile, "Opening file %s with mode %d\n", filename, mode);
if ((mode == _K_FILE_MODE_OPEN_OR_FAIL) || (mode == _K_FILE_MODE_OPEN_OR_CREATE)) {
file = sci_fopen(filename, "r" FO_BINARY "+"); // Attempt to open existing file
debugC(2, kDebugLevelFile, "Opening file %s with mode %d\n", filename, mode);
if (!file) {
debugC(2, kDebugLevelFile, "Failed. Attempting to copy from resource dir...\n");
file = f_open_mirrored(s, filename);
if (file)
debugC(2, kDebugLevelFile, "Success!\n");
else
debugC(2, kDebugLevelFile, "Not found.\n");
}
}
if ((!file) && ((mode == _K_FILE_MODE_OPEN_OR_CREATE) || (mode == _K_FILE_MODE_CREATE))) {
file = sci_fopen(filename, "w" FO_BINARY "+"); /* Attempt to create file */
debugC(2, kDebugLevelFile, "Creating file %s with mode %d\n", filename, mode);
}
if (!file) { // Failed
debugC(2, kDebugLevelFile, "file_open() failed\n");
s->r_acc = make_reg(0, 0xffff);
return;
}
#endif
// Find a free file handle
uint handle = 1; // Ignore _fileHandles[0]
while ((handle < s->_fileHandles.size()) && s->_fileHandles[handle].isOpen())
handle++;
if (handle == s->_fileHandles.size()) { // Hit size limit => Allocate more space
s->_fileHandles.resize(s->_fileHandles.size() + 1);
}
s->_fileHandles[handle]._in = inFile;
s->_fileHandles[handle]._out = outFile;
s->_fileHandles[handle]._name = filename;
s->r_acc = make_reg(0, handle);
debug(3, " -> opened file '%s' with handle %d", filename, handle);
}
reg_t kSaveGame(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();
int savedir_id; // Savegame ID, derived from savedir_nr and the savegame ID list
char *game_description = kernel_dereference_char_pointer(s, argv[2], 0);
char *version = argc > 3 ? strdup(kernel_dereference_char_pointer(s, argv[3], 0)) : NULL;
debug(3, "kSaveGame(%s,%d,%s,%s)", game_id, savedir_nr, game_description, version);
s->game_version = version;
Common::Array<SavegameDesc> saves;
listSavegames(saves);
fprintf(stderr, "savedir_nr = %d\n", savedir_nr);
if (savedir_nr >= 0 && (uint)savedir_nr < saves.size()) {
// Overwrite
savedir_id = saves[savedir_nr].id;
} else if (savedir_nr >= 0 && savedir_nr < MAX_SAVEGAME_NR) {
uint i = 0;
fprintf(stderr, "searching for hole\n");
savedir_id = 0;
// First, look for holes
while (i < saves.size()) {
if (saves[i].id == savedir_id) {
++savedir_id;
i = 0;
} else
++i;
}
if (savedir_id >= MAX_SAVEGAME_NR) {
warning("Internal error: Free savegame ID is %d, shouldn't happen", savedir_id);
return NULL_REG;
}
// This loop terminates when savedir_id is not in [x | ex. n. saves [n].id = x]
} else {
warning("Savegame ID %d is not allowed", savedir_nr);
return NULL_REG;
}
Common::String filename = ((Sci::SciEngine*)g_engine)->getSavegameName(savedir_id);
Common::SaveFileManager *saveFileMan = g_engine->getSaveFileManager();
Common::OutSaveFile *out;
if (!(out = saveFileMan->openForSaving(filename))) {
warning("Error opening savegame \"%s\" for writing", filename.c_str());
s->r_acc = NULL_REG;
return NULL_REG;
}
if (gamestate_save(s, out, game_description)) {
warning("Saving the game failed.");
s->r_acc = NULL_REG;
} else {
out->finalize();
if (out->err()) {
delete out;
warning("Writing the savegame failed.");
s->r_acc = NULL_REG;
} else {
delete out;
s->r_acc = make_reg(0, 1);
}
}
free(s->game_version);
s->game_version = NULL;
return s->r_acc;
}