C++ shouldQuit函数代码示例

int AgiEngine::waitAnyKey() {
	int key = 0;

	clearKeyQueue();

	debugC(3, kDebugLevelInput, "waiting... (any key)");
	while (!(shouldQuit() || _restartGame)) {
		pollTimer();
		key = doPollKeyboard();
		if (key)
			break;
		_gfx->doUpdate();
	}

	// Have to clear it as original did not set this variable, and we do it in doPollKeyboard()
	_game.keypress = 0;

	return key;
}

    void App::run()
    {
        window_->show();
        
        onStart();
        double last_update_time = getTime();

        while (!shouldQuit())
        {
            processEvents();
            double update_time = getTime();
            double dt = update_time - last_update_time;
            last_update_time = update_time;
            onUpdate(dt);
            onRender();
            window_->swapBuffers();
        }
        onStop();
    }

Common::Error KyraEngine_LoK::go() {
	if (_res->getFileSize("6.FNT"))
		_screen->loadFont(Screen::FID_6_FNT, "6.FNT");
	_screen->loadFont(Screen::FID_8_FNT, "8FAT.FNT");

	_screen->setFont(_flags.lang == Common::JA_JPN ? Screen::FID_SJIS_FNT : Screen::FID_8_FNT);

	_screen->setScreenDim(0);

	_abortIntroFlag = false;

	if (_flags.isDemo && !_flags.isTalkie) {
		_seqPlayerFlag = true;
		seq_demo();
		_seqPlayerFlag = false;
	} else {
		setGameFlag(0xF3);
		setGameFlag(0xFD);
		if (_gameToLoad == -1) {
			setGameFlag(0xEF);
			_seqPlayerFlag = true;
			seq_intro();
			_seqPlayerFlag = false;

			if (_flags.isDemo) {
				_screen->fadeToBlack();
				return Common::kNoError;
			}

			if (shouldQuit())
				return Common::kNoError;

			if (_skipIntroFlag && _abortIntroFlag && saveFileLoadable(0))
				resetGameFlag(0xEF);
		}
		_eventList.clear();
		startup();
		resetGameFlag(0xEF);
		mainLoop();
	}
	return Common::kNoError;
}

void App::run()
{
    init();
    onSetup();

    window_->show();
    while (!shouldQuit())
    {
        input_.update();
        timer_.update();
        processEvents();
        if (screen_)
        {
            screen_->onUpdate();
            screen_->onRender();
        }
        window_->swapBuffers();
    }
    destroy();
}

void TestbedEngine::invokeTestsuites(TestbedConfigManager &cfMan) {
	Common::Array<Testsuite *>::const_iterator iter;
	uint count = 1;
	Common::Point pt = Testsuite::getDisplayRegionCoordinates();
	int numSuitesEnabled = cfMan.getNumSuitesEnabled();

	if (!numSuitesEnabled)
		return;

	for (iter = _testsuiteList.begin(); iter != _testsuiteList.end(); iter++) {
		if (shouldQuit()) {
			return;
		}
		(*iter)->reset();
		if ((*iter)->isEnabled()) {
			Testsuite::updateStats("Testsuite", (*iter)->getName(), count++, numSuitesEnabled, pt);
			(*iter)->execute();
		}
	}
}

void AgiEngine::interpretCycle() {
	int oldSound, oldScore;

	if (_game.playerControl)
		_game.vars[vEgoDir] = _game.viewTable[0].direction;
	else
		_game.viewTable[0].direction = _game.vars[vEgoDir];

	checkAllMotions();

	oldScore = _game.vars[vScore];
	oldSound = getflag(fSoundOn);

	_game.exitAllLogics = false;
	while (runLogic(0) == 0 && !(shouldQuit() || _restartGame)) {
		_game.vars[vWordNotFound] = 0;
		_game.vars[vBorderTouchObj] = 0;
		_game.vars[vBorderCode] = 0;
		oldScore = _game.vars[vScore];
		setflag(fEnteredCli, false);
		_game.exitAllLogics = false;
		resetControllers();
	}
	resetControllers();

	_game.viewTable[0].direction = _game.vars[vEgoDir];

	if (_game.vars[vScore] != oldScore || getflag(fSoundOn) != oldSound)
		writeStatus();

	_game.vars[vBorderTouchObj] = 0;
	_game.vars[vBorderCode] = 0;
	setflag(fNewRoomExec, false);
	setflag(fRestartGame, false);
	setflag(fRestoreJustRan, false);

	if (_game.gfxMode) {
		updateViewtable();
		_gfx->doUpdate();
	}
}

bool KyraRpgEngine::snd_processEnvironmentalSoundEffect(int soundId, int block) {
	if (!_sound->sfxEnabled() || shouldQuit())
		return false;

	if (_environmentSfx)
		snd_playSoundEffect(_environmentSfx, _environmentSfxVol);

	int dist = 0;
	if (block) {
		dist = getBlockDistance(_currentBlock, block);
		if (dist > _envSfxDistThreshold) {
			_environmentSfx = 0;
			return false;
		}
	}

	_environmentSfx = soundId;
	_environmentSfxVol = (15 - ((block || (_flags.gameID == GI_LOL && dist < 2)) ? dist : 0)) << 4;

	return true;
}

void CineEngine::showSplashScreen() {
	Common::File file;
	if (!file.open("sony.lbm"))
		return;

	Image::IFFDecoder decoder;
	if (!decoder.loadStream(file))
		return;

	const Graphics::Surface *surface = decoder.getSurface();
	if (surface->getWidth() == 640 && surface->getHeight() == 480) {
		initGraphics(640, 480, true);

		const byte *palette = decoder.getPalette();
		int paletteColorCount = decoder.getPaletteColorCount();
		g_system->getPaletteManager()->setPalette(palette, 0, paletteColorCount);

		g_system->copyRectToScreen(surface->getPixels(), 640, 0, 0, 640, 480);
		g_system->updateScreen();

		Common::EventManager *eventMan = g_system->getEventManager();

		bool done = false;
		uint32 now = g_system->getMillis();

		while (!done && g_system->getMillis() - now < 2000) {
			Common::Event event;
			while (eventMan->pollEvent(event)) {
				if (event.type == Common::EVENT_KEYDOWN && event.kbd.keycode == Common::KEYCODE_ESCAPE) {
					done = true;
					break;
				}
				if (shouldQuit())
					done = true;
			}
		}
	}

	decoder.destroy();
}

/**
 * Main game loop. Handles potentially playing the game multiple times, such as if the player
 * loses, and chooses to start playing the game again.
 */
void MortevielleEngine::mainGame() {
	if (_reloadCFIEC)
		loadCFIEC();

	for (_crep = 1; _crep <= _x26KeyCount; ++_crep)
		decodeNumber(&_cfiecBuffer[161 * 16], (_cfiecBufferSize - (161 * 16)) / 64);

	_menu->initMenu();

	charToHour();
	initGame();
	clearScreen();
	drawRightFrame();
	_mouse->showMouse();

	// Loop to play the game
	do {
		playGame();
		if (shouldQuit())
			return;
	} while (!_quitGame);
}

void SherlockEngine::sceneLoop() {
	while (!shouldQuit() && _scene->_goToScene == -1) {
		// See if a script needs to be completed from either a goto room code,
		// or a script that was interrupted by another script
		if (_talk->_scriptMoreFlag == 1 || _talk->_scriptMoreFlag == 3)
			_talk->talkTo(_talk->_scriptName);
		else
			_talk->_scriptMoreFlag = 0;

		// Handle any input from the keyboard or mouse
		handleInput();

		if (_people->_savedPos.x == -1) {
			_canLoadSave = true;
			_scene->doBgAnim();
			_canLoadSave = false;
		}
	}

	_scene->freeScene();
	_people->freeWalk();
}

void DrasculaEngine::placeVonBraun(int pointX) {
	trackVonBraun = (pointX < vonBraunX) ? 0 : 1;
	vonBraunHasMoved = 1;

	while (!shouldQuit()) {
		updateEvents();
		updateRoom();
		updateScreen();
		if (trackVonBraun == 0) {
			vonBraunX = vonBraunX - 5;
			if (vonBraunX <= pointX)
				break;
		} else {
			vonBraunX = vonBraunX + 5;
			if (vonBraunX >= pointX)
				break;
		}
		pause(5);
	}

	vonBraunHasMoved = 0;
}

bool AGOSEngine::kickoffTimeEvents() {
	uint32 cur_time;
	TimeEvent *te;
	bool result = false;

	if (getGameType() == GType_FF && _clockStopped)
		return result;

	cur_time = getTime() - _gameStoppedClock;

	while ((te = _firstTimeStruct) != NULL && te->time <= cur_time && !shouldQuit()) {
		result = true;
		_pendingDeleteTimeEvent = te;
		invokeTimeEvent(te);
		if (_pendingDeleteTimeEvent) {
			_pendingDeleteTimeEvent = NULL;
			delTimeEvent(te);
		}
	}

	return result;
}

Common::Error MohawkEngine_CSTime::run() {
    MohawkEngine::run();

    _console = new CSTimeConsole(this);
    _gfx = new CSTimeGraphics(this);
    _cursor = new DefaultCursorManager(this, ID_CURS);

    _interface = new CSTimeInterface(this);

    _view = new CSTimeView(this);
    _view->setupView();
    _view->setModule(new CSTimeModule(this));

    while (!shouldQuit()) {
        switch (_state) {
        case kCSTStateStartup:
            // We just jump straight to the case for now.
            _state = kCSTStateNewCase;
            break;

        case kCSTStateNewCase:
            initCase();
            _state = kCSTStateNewScene;
            break;

        case kCSTStateNewScene:
            nextScene();
            _state = kCSTStateNormal;
            break;

        case kCSTStateNormal:
            update();
            break;
        }
    }

    return Common::kNoError;
}

void KyraEngine_HoF::bookLoop() {
	Button bookButtons[5];

	GUI_V2_BUTTON(bookButtons[0], 0x24, 0, 0, 1, 1, 1, 0x4487, 0, 0x82, 0xBE, 0x0A, 0x0A, 0xC7, 0xCF, 0xC7, 0xCF, 0xC7, 0xCF, 0);
	bookButtons[0].buttonCallback = BUTTON_FUNCTOR(KyraEngine_HoF, this, &KyraEngine_HoF::bookPrevPage);
	GUI_V2_BUTTON(bookButtons[1], 0x25, 0, 0, 1, 1, 1, 0x4487, 0, 0xB1, 0xBE, 0x0A, 0x0A, 0xC7, 0xCF, 0xC7, 0xCF, 0xC7, 0xCF, 0);
	bookButtons[1].buttonCallback = BUTTON_FUNCTOR(KyraEngine_HoF, this, &KyraEngine_HoF::bookNextPage);
	GUI_V2_BUTTON(bookButtons[2], 0x26, 0, 0, 1, 1, 1, 0x4487, 0, 0x8F, 0xBE, 0x21, 0x0A, 0xC7, 0xCF, 0xC7, 0xCF, 0xC7, 0xCF, 0);
	bookButtons[2].buttonCallback = BUTTON_FUNCTOR(KyraEngine_HoF, this, &KyraEngine_HoF::bookClose);
	GUI_V2_BUTTON(bookButtons[3], 0x27, 0, 0, 1, 1, 1, 0x4487, 0, 0x08, 0x08, 0x90, 0xB4, 0xC7, 0xCF, 0xC7, 0xCF, 0xC7, 0xCF, 0);
	bookButtons[3].buttonCallback = BUTTON_FUNCTOR(KyraEngine_HoF, this, &KyraEngine_HoF::bookPrevPage);
	GUI_V2_BUTTON(bookButtons[4], 0x28, 0, 0, 1, 1, 1, 0x4487, 0, 0xAA, 0x08, 0x8E, 0xB4, 0xC7, 0xCF, 0xC7, 0xCF, 0xC7, 0xCF, 0);
	bookButtons[4].buttonCallback = BUTTON_FUNCTOR(KyraEngine_HoF, this, &KyraEngine_HoF::bookNextPage);

	Button *buttonList = 0;

	for (uint i = 0; i < ARRAYSIZE(bookButtons); ++i)
		buttonList = _gui->addButtonToList(buttonList, &bookButtons[i]);

	showBookPage();
	_bookShown = true;
	while (_bookShown && !shouldQuit()) {
		checkInput(buttonList);
		removeInputTop();

		if (_bookCurPage != _bookNewPage) {
			_bookCurPage = _bookNewPage;
			_screen->clearPage(2);
			loadBookBkgd();
			showBookPage();
			snd_playSoundEffect(0x64);
			_screen->copyRegion(0, 0, 0, 0, 0x140, 0xC8, 2, 0, Screen::CR_NO_P_CHECK);
			_screen->updateScreen();
		}
		_system->delayMillis(10);
	}
	_screen->clearPage(2);
}

void DrasculaEngine::gotoObject(int pointX, int pointY) {
	bool cursorVisible = isCursorVisible();
	hideCursor();

	if (currentChapter == 5 || currentChapter == 6) {
		if (hare_se_ve == 0) {
			curX = roomX;
			curY = roomY;
			updateRoom();
			updateScreen();
			return;
		}
	}
	roomX = pointX;
	roomY = pointY;
	startWalking();

	while (!shouldQuit()) {
		updateRoom();
		updateScreen();
		updateEvents();
		if (characterMoved == 0)
			break;

		pause(3);
	}

	if (walkToObject == 1) {
		walkToObject = 0;
		trackProtagonist = trackFinal;
	}
	updateRoom();
	updateScreen();

	// roomNumber -2 is end credits. Do not show cursor there
	if (cursorVisible && roomNumber != -2)
		showCursor();
}