C++ SaveFileManager::removeSavefile方法代码示例

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;
	}
}

void PictureMetaEngine::removeSaveState(const char *target, int slot) const {
    // Slot 0 can't be deleted, it's for restarting the game(s)
    if (slot == 0)
        return;

    Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
    Common::String filename = Picture::PictureEngine::getSavegameFilename(target, slot);

    saveFileMan->removeSavefile(filename.c_str());

    Common::StringArray filenames;
    Common::String pattern = target;
    pattern += ".???";
    filenames = saveFileMan->listSavefiles(pattern.c_str());
    Common::sort(filenames.begin(), filenames.end());	// Sort (hopefully ensuring we are sorted numerically..)

    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
        int slotNum = atoi(file->c_str() + file->size() - 3);

        // Rename every slot greater than the deleted slot,
        // Also do not rename quicksaves.
        if (slotNum > slot && slotNum < 990) {
            // FIXME: Our savefile renaming done here is inconsitent with what we do in
            // GUI_v2::deleteMenu. While here we rename every slot with a greater equal
            // number of the deleted slot to deleted slot, deleted slot + 1 etc.,
            // we only rename the following slots in GUI_v2::deleteMenu until a slot
            // is missing.
            saveFileMan->renameSavefile(file->c_str(), filename.c_str());

            filename = Picture::PictureEngine::getSavegameFilename(target, ++slot);
        }
    }

}

void delete_savegame(EngineState *s, int savedir_nr) {
	Common::String filename = ((Sci::SciEngine*)g_engine)->getSavegameName(savedir_nr);

	//printf("Deleting savegame '%s'\n", filename.c_str());

	Common::SaveFileManager *saveFileMan = g_engine->getSaveFileManager();
	saveFileMan->removeSavefile(filename);
}

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());
}

TestExitStatus SaveGametests::testRemovingSavefile() {
	Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();

	// Create a dummy savefile
	if (!writeDataToFile("tBedSavefileToRemove.0", "Dummy Savefile!")) {
		Testsuite::logDetailedPrintf("Writing data to savefile failed\n");
		return kTestFailed;
	}

	// Remove it
	saveFileMan->removeSavefile("tBedSavefileToRemove.0");

	// Try opening it Now
	Common::InSaveFile *loadFile = saveFileMan->openForLoading("saveFile.0");
	if (loadFile) {
		// Removing failed
		Testsuite::logDetailedPrintf("Removing savefile failed\n");
		return kTestFailed;
	}

	return kTestPassed;
}

void ToltecsMetaEngine::removeSaveState(const char *target, int slot) const {
	Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
	Common::String filename = Toltecs::ToltecsEngine::getSavegameFilename(target, slot);

	saveFileMan->removeSavefile(filename.c_str());

	Common::StringArray filenames;
	Common::String pattern = target;
	pattern += ".###";
	filenames = saveFileMan->listSavefiles(pattern.c_str());
	Common::sort(filenames.begin(), filenames.end());	// Sort (hopefully ensuring we are sorted numerically..)

	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
		int slotNum = atoi(file->c_str() + file->size() - 3);

		// Rename every slot greater than the deleted slot,
		if (slotNum > slot) {
			saveFileMan->renameSavefile(file->c_str(), filename.c_str());
			filename = Toltecs::ToltecsEngine::getSavegameFilename(target, ++slot);
		}
	}
}

Common::Error NeverhoodEngine::removeGameState(int slot) {
	Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
	Common::String filename = Neverhood::NeverhoodEngine::getSavegameFilename(_targetName, slot);
	saveFileMan->removeSavefile(filename.c_str());
	return Common::kNoError;
}

void NeverhoodMetaEngine::removeSaveState(const char *target, int slot) const {
	Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
	Common::String filename = Neverhood::NeverhoodEngine::getSavegameFilename(target, slot);
	saveFileMan->removeSavefile(filename.c_str());
}

void LabMetaEngine::removeSaveState(const char *target, int slot) const {
	Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
	saveFileMan->removeSavefile(Common::String::format("%s.%03u", target, slot));
}

reg_t kFileIO(EngineState *s, int funct_nr, int argc, reg_t *argv) {
	int func_nr = argv[0].toUint16();

	switch (func_nr) {
	case K_FILEIO_OPEN : {
		char *name = kernel_dereference_char_pointer(s, argv[1], 0);
		int mode = argv[2].toUint16();

		file_open(s, name, mode);
		debug(3, "K_FILEIO_OPEN(%s,0x%x)", name, mode);
		break;
	}
	case K_FILEIO_CLOSE : {
		int handle = argv[1].toUint16();
		debug(3, "K_FILEIO_CLOSE(%d)", handle);

		file_close(s, handle);
		break;
	}
	case K_FILEIO_READ_RAW : {
		int handle = argv[1].toUint16();
		char *dest = kernel_dereference_char_pointer(s, argv[2], 0);
		int size = argv[3].toUint16();
		debug(3, "K_FILEIO_READ_RAW(%d,%d)", handle, size);

		fread_wrapper(s, dest, size, handle);
		break;
	}
	case K_FILEIO_WRITE_RAW : {
		int handle = argv[1].toUint16();
		char *buf = kernel_dereference_char_pointer(s, argv[2], 0);
		int size = argv[3].toUint16();
		debug(3, "K_FILEIO_WRITE_RAW(%d,%d)", handle, size);

		fwrite_wrapper(s, handle, buf, size);
		break;
	}
	case K_FILEIO_UNLINK : {
		char *name = kernel_dereference_char_pointer(s, argv[1], 0);
		debug(3, "K_FILEIO_UNLINK(%s)", name);

		Common::SaveFileManager *saveFileMan = g_engine->getSaveFileManager();
		const Common::String wrappedName = ((Sci::SciEngine*)g_engine)->wrapFilename(name);
		saveFileMan->removeSavefile(wrappedName);
		// TODO/FIXME: Should we return something (like, a bool indicating
		// whether deleting the save succeeded or failed)?
		break;
	}
	case K_FILEIO_READ_STRING : {
		char *dest = kernel_dereference_char_pointer(s, argv[1], 0);
		int size = argv[2].toUint16();
		int handle = argv[3].toUint16();
		debug(3, "K_FILEIO_READ_STRING(%d,%d)", handle, size);

		fgets_wrapper(s, dest, size, handle);
		return argv[1];
	}
	case K_FILEIO_WRITE_STRING : {
		int handle = argv[1].toUint16();
		int size = argv[3].toUint16();
		char *buf = kernel_dereference_char_pointer(s, argv[2], size);
		debug(3, "K_FILEIO_WRITE_STRING(%d,%d)", handle, size);

		// FIXME: What is the difference between K_FILEIO_WRITE_STRING and
		// K_FILEIO_WRITE_RAW? Normally, I would expect the difference to
		// be that the former doesn't receive a 'size' parameter. But here
		// it does. Are we missing something?
		if (buf)
			fwrite_wrapper(s, handle, buf, size);
		break;
	}
	case K_FILEIO_SEEK : {
		int handle = argv[1].toUint16();
		int offset = argv[2].toUint16();
		int whence = argv[3].toUint16();
		debug(3, "K_FILEIO_SEEK(%d,%d,%d)", handle, offset, whence);

		fseek_wrapper(s, handle, offset, whence);
		break;
	}
	case K_FILEIO_FIND_FIRST : {
		char *mask = kernel_dereference_char_pointer(s, argv[1], 0);
		reg_t buf = argv[2];
		int attr = argv[3].toUint16(); // We won't use this, Win32 might, though...
		debug(3, "K_FILEIO_FIND_FIRST(%s,0x%x)", mask, attr);

#ifndef WIN32
		if (strcmp(mask, "*.*") == 0)
			strcpy(mask, "*"); // For UNIX
#endif
		s->_dirseeker.firstFile(mask, buf);

		break;
	}
	case K_FILEIO_FIND_NEXT : {
		debug(3, "K_FILEIO_FIND_NEXT()");
		s->_dirseeker.nextFile();
		break;
	}
	case K_FILEIO_FILE_EXISTS : {
//.........这里部分代码省略.........