Method init

src/Menu/IntroState.cpp:404–460

* Play the intro. */

 * Play the intro.
 */
void IntroState::init()
{
	State::init();
	Options::keepAspectRatio = _wasLetterBoxed;
	if (CrossPlatform::fileExists(_introFile) && (CrossPlatform::fileExists(_introSoundFileDOS) || CrossPlatform::fileExists(_introSoundFileWin)))
	{
		audioSequence = new AudioSequence(_game->getResourcePack());
		Flc::flc.realscreen = _game->getScreen();
		Flc::FlcInit(_introFile.c_str());
		Flc::flc.dx = (Options::baseXResolution - Screen::ORIGINAL_WIDTH) / 2;
		Flc::flc.dy = (Options::baseYResolution - Screen::ORIGINAL_HEIGHT) / 2;
		Flc::flc.loop = 0; // just the one time, please
		Flc::FlcMain(&audioHandler);
		Flc::FlcDeInit();
		delete audioSequence;


#ifndef __NO_MUSIC
		// fade out!
		Mix_FadeOutChannel(-1, 45 * 20);
		if (Mix_GetMusicType(0) != MUS_MID) { Mix_FadeOutMusic(45 * 20); func_fade(); } // SDL_Mixer has trouble with native midi and volume on windows, which is the most likely use case, so f@%# it.
		else { Mix_HaltMusic(); }
#endif

		SDL_Color pal[256];
		SDL_Color pal2[256];
		memcpy(pal, _game->getScreen()->getPalette(), sizeof(SDL_Color) * 256);
		for (int i = 20; i > 0; --i)
		{
			SDL_Event event;
			if (SDL_PollEvent(&event) && event.type == SDL_KEYDOWN) break;
			for (int color = 0; color < 256; ++color)
			{
				pal2[color].r = (((int)pal[color].r) * i) / 20;
				pal2[color].g = (((int)pal[color].g) * i) / 20;
				pal2[color].b = (((int)pal[color].b) * i) / 20;
				pal2[color].unused = pal[color].unused;
			}
			_game->getScreen()->setPalette(pal2, 0, 256, true);
			_game->getScreen()->flip();
			SDL_Delay(45);
		}
		_game->getScreen()->clear();
		_game->getScreen()->flip();
		Options::musicVolume = _oldMusic;
		Options::soundVolume = _oldSound;
		_game->setVolume(Options::soundVolume, Options::musicVolume, Options::uiVolume);

#ifndef __NO_MUSIC
		Sound::stop();
		Music::stop();
#endif
	}
	Screen::updateScale(Options::geoscapeScale, Options::geoscapeScale, Options::baseXGeoscape, Options::baseYGeoscape, true);
	_game->getScreen()->resetDisplay(false);
	_game->setState(new MainMenuState(_game));
}