C++ InSaveFile::readSint32BE方法代码示例

SaveStateDescriptor ToonMetaEngine::querySaveMetaInfos(const char *target, int slot) const {
	Common::String fileName = Common::String::format("%s.%03d", target, slot);
	Common::InSaveFile *file = g_system->getSavefileManager()->openForLoading(fileName);

	if (file) {

		int32 version = file->readSint32BE();
		if (version != TOON_SAVEGAME_VERSION) {
			delete file;
			return SaveStateDescriptor();
		}

		uint32 saveNameLength = file->readUint16BE();
		char saveName[256];
		file->read(saveName, saveNameLength);
		saveName[saveNameLength] = 0;

		SaveStateDescriptor desc(slot, saveName);

		Graphics::Surface *thumbnail = new Graphics::Surface();
		assert(thumbnail);
		if (!Graphics::loadThumbnail(*file, *thumbnail)) {
			delete thumbnail;
			thumbnail = 0;
		}
		desc.setThumbnail(thumbnail);

		desc.setDeletableFlag(true);
		desc.setWriteProtectedFlag(false);

		uint32 saveDate = file->readUint32BE();
		uint16 saveTime = file->readUint16BE();

		int day = (saveDate >> 24) & 0xFF;
		int month = (saveDate >> 16) & 0xFF;
		int year = saveDate & 0xFFFF;

		desc.setSaveDate(year, month, day);

		int hour = (saveTime >> 8) & 0xFF;
		int minutes = saveTime & 0xFF;

		desc.setSaveTime(hour, minutes);

		delete file;
		return desc;
	}

	return SaveStateDescriptor();
}

SaveStateList ToonMetaEngine::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 filename = filenames.begin(); filename != filenames.end(); ++filename) {
		// Obtain the last 3 digits of the filename, since they correspond to the save slot
		slotNum = atoi(filename->c_str() + filename->size() - 3);

		if (slotNum >= 0 && slotNum <= 99) {
			Common::InSaveFile *file = saveFileMan->openForLoading(*filename);
			if (file) {
				int32 version = file->readSint32BE();
				if (version != TOON_SAVEGAME_VERSION) {
					delete file;
					continue;
				}

				// read name
				uint16 nameSize = file->readUint16BE();
				if (nameSize >= 255) {
					delete file;
					continue;
				}
				char name[256];
				file->read(name, nameSize);
				name[nameSize] = 0;

				saveList.push_back(SaveStateDescriptor(slotNum, name));
				delete file;
			}
		}
	}

	return saveList;
}

LoadgameResult DMEngine::loadgame(int16 slot) {
    if (slot == -1 && _newGameFl == k0_modeLoadSavedGame)
        return kDMLoadgameFailure;

    bool fadePalette = true;
    Common::String fileName;
    Common::SaveFileManager *saveFileManager = nullptr;
    Common::InSaveFile *file = nullptr;

    struct {
        SaveTarget _saveTarget;
        int32 _saveVersion;
        OriginalSaveFormat _saveFormat;
        OriginalSavePlatform _savePlatform;
        uint16 _dungeonId;
    } dmSaveHeader;

    if (_newGameFl) {
        //L1366_B_FadePalette = !F0428_DIALOG_RequireGameDiskInDrive_NoDialogDrawn(C0_DO_NOT_FORCE_DIALOG_DM_CSB, true);
        _restartGameAllowed = false;
        _championMan->_partyChampionCount = 0;
        _championMan->_leaderHandObject = Thing::_none;
    } else {
        fileName = getSavefileName(slot);
        saveFileManager = _system->getSavefileManager();
        file = saveFileManager->openForLoading(fileName);

        SaveGameHeader header;
        readSaveGameHeader(file, &header);

        warning("MISSING CODE: missing check for matching format and platform in save in f435_loadgame");

        dmSaveHeader._saveTarget = (SaveTarget)file->readSint32BE();
        dmSaveHeader._saveVersion = file->readSint32BE();
        dmSaveHeader._saveFormat = (OriginalSaveFormat)file->readSint32BE();
        dmSaveHeader._savePlatform = (OriginalSavePlatform)file->readSint32BE();

        // Skip _gameId, which was useless
        file->readSint32BE();
        dmSaveHeader._dungeonId = file->readUint16BE();

        _gameTime = file->readSint32BE();
        // G0349_ul_LastRandomNumber = L1371_s_GlobalData.LastRandomNumber;
        _championMan->_partyChampionCount = file->readUint16BE();
        _dungeonMan->_partyMapX = file->readSint16BE();
        _dungeonMan->_partyMapY = file->readSint16BE();
        _dungeonMan->_partyDir = (Direction)file->readUint16BE();
        _dungeonMan->_partyMapIndex = file->readByte();
        _championMan->_leaderIndex = (ChampionIndex)file->readSint16BE();
        _championMan->_magicCasterChampionIndex = (ChampionIndex)file->readSint16BE();
        _timeline->_eventCount = file->readUint16BE();
        _timeline->_firstUnusedEventIndex = file->readUint16BE();
        _timeline->_eventMaxCount = file->readUint16BE();
        _groupMan->_currActiveGroupCount = file->readUint16BE();
        _projexpl->_lastCreatureAttackTime = file->readSint32BE();
        _projexpl->_lastPartyMovementTime = file->readSint32BE();
        _disabledMovementTicks = file->readSint16BE();
        _projectileDisableMovementTicks = file->readSint16BE();
        _lastProjectileDisabledMovementDirection = file->readSint16BE();
        _championMan->_leaderHandObject = Thing(file->readUint16BE());
        _groupMan->_maxActiveGroupCount = file->readUint16BE();
        if (!_restartGameRequest) {
            _timeline->initTimeline();
            _groupMan->initActiveGroups();
        }

        _groupMan->loadActiveGroupPart(file);
        _championMan->loadPartyPart2(file);
        _timeline->loadEventsPart(file);
        _timeline->loadTimelinePart(file);

        // read sentinel
        uint32 sentinel = file->readUint32BE();
        assert(sentinel == 0x6f85e3d3);

        _dungeonId = dmSaveHeader._dungeonId;
    }

    _dungeonMan->loadDungeonFile(file);
    delete file;

    if (_newGameFl) {
        _timeline->initTimeline();
        _groupMan->initActiveGroups();

        if (fadePalette) {
            _displayMan->startEndFadeToPalette(_displayMan->_blankBuffer);
            delay(1);
            _displayMan->fillScreen(kDMColorBlack);
            _displayMan->startEndFadeToPalette(_displayMan->_paletteTopAndBottomScreen);
        }
    } else {
        _restartGameAllowed = true;

        switch (getGameLanguage()) { // localized
        case Common::DE_DEU:
            _dialog->dialogDraw(nullptr, "SPIEL WIRD GELADEN . . .", nullptr, nullptr, nullptr, nullptr, true, true, true);
            break;
        case Common::FR_FRA:
            _dialog->dialogDraw(nullptr, "CHARGEMENT DU JEU . . .", nullptr, nullptr, nullptr, nullptr, true, true, true);
//.........这里部分代码省略.........