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engines/nancy/state/logo.cpp

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "common/config-manager.h"
+
+#include "engines/nancy/nancy.h"
+#include "engines/nancy/sound.h"
+#include "engines/nancy/input.h"
+#include "engines/nancy/graphics.h"
+
+#include "engines/nancy/state/logo.h"
+
+namespace Common {
+DECLARE_SINGLETON(Nancy::State::Logo);
+}
+
+namespace Nancy {
+namespace State {
+
+void Logo::process() {
+	switch (_state) {
+	case kInit:
+		init();
+		break;
+	case kPlayIntroVideo:
+		playIntroVideo();
+		break;
+	case kStartSound:
+		startSound();
+		break;
+	case kRun:
+		run();
+		break;
+	case kStop:
+		stop();
+	}
+}
+
+void Logo::onStateEnter(const NancyState::NancyState prevState) {
+	// Handle returning from the GMM
+	if (prevState == NancyState::kPause) {
+		if (_state == kPlayIntroVideo) {
+			_tvdVideoDecoder.pauseVideo(false);
+		} else if (_state == kRun) {
+			g_nancy->_sound->pauseSound("MSND", false);
+		}
+	}
+}
+
+bool Logo::onStateExit(const NancyState::NancyState nextState) {
+	// Handle the GMM being called
+	if (nextState == NancyState::kPause) {
+		if (_state == kPlayIntroVideo) {
+			_tvdVideoDecoder.pauseVideo(true);
+		} else if (_state == kRun) {
+			g_nancy->_sound->pauseSound("MSND", true);
+		}
+
+		return false;
+	} else {
+		return true;
+	}
+}
+
+void Logo::init() {
+	const ImageChunk *lg0 = (const ImageChunk *)g_nancy->getEngineData("LG0");
+	const ImageChunk *plg0 = (const ImageChunk *)g_nancy->getEngineData("PLG0");
+	if (!plg0) {
+		plg0 = (const ImageChunk *)g_nancy->getEngineData("PLGO");
+	}
+	assert(lg0);
+
+	_logoImage.init(lg0->imageName);
+	_logoImage.registerGraphics();
+
+	if (plg0) {
+		_partnerLogoImage.init(plg0->imageName);
+		_partnerLogoImage.registerGraphics();
+	}
+
+	if (g_nancy->getGameType() == kGameTypeVampire && _tvdVideoDecoder.loadFile("VAMPINTR.AVI")) {
+		_tvdVideoDecoder.start();
+		_videoObj.moveTo(Common::Rect(0, 0, 640, 480));
+		_videoObj._drawSurface.create(_tvdVideoDecoder.getWidth(), _tvdVideoDecoder.getHeight(), _tvdVideoDecoder.getPixelFormat());
+		_videoObj.setPalette(_tvdVideoDecoder.getPalette());
+		_videoObj.registerGraphics();
+		_videoObj.setVisible(true);
+		_state = kPlayIntroVideo;
+	} else {
+		_state = kStartSound;
+	}
+}
+
+// The Vampire Diaries originally shipped with a launcher that could either start the game
+// or play an introduction video. We don't bother giving the player a choice, and just
+// play the video before the game logo
+void Logo::playIntroVideo() {
+	if (_tvdVideoDecoder.needsUpdate()) {
+		const Graphics::Surface *frame = _tvdVideoDecoder.decodeNextFrame();
+		if (frame) {
+			_videoObj._drawSurface.blitFrom(*frame);
+			_videoObj.setVisible(true);
+		}
+	}
+	if (_tvdVideoDecoder.endOfVideo() || (g_nancy->_input->getInput().input & NancyInput::kLeftMouseButtonDown)) {
+		_state = kStartSound;
+		_videoObj.setVisible(false);
+		_tvdVideoDecoder.close();
+	}
+}
+
+void Logo::startSound() {
+	g_nancy->_sound->playSound("MSND");
+
+	_startTicks = g_nancy->getTotalPlayTime();
+	_state = kRun;
+}
+
+void Logo::run() {
+	if (g_nancy->getTotalPlayTime() - _startTicks >= g_nancy->getStaticData().logoEndAfter) {
+		// Display game logo after partner logo
+		if (!_partnerLogoImage._drawSurface.empty() && _partnerLogoImage.isVisible()) {
+			_logoImage.setVisible(true);
+			_partnerLogoImage.setVisible(false);
+			_startTicks = g_nancy->getTotalPlayTime();
+		} else {
+			_state = kStop;
+		}
+	}
+
+	if (g_nancy->_input->getInput().input & NancyInput::kLeftMouseButtonDown) {
+		_state = kStop;
+	}
+}
+
+void Logo::stop() {
+	// The original engine checks for N+D and N+C key combos here.
+	// For the N+C key combo it looks for some kind of cheat file
+	// to initialize the game state with.
+
+	if (!ConfMan.hasKey("original_menus") || ConfMan.getBool("original_menus")) {
+		g_nancy->setState(NancyState::kMainMenu);
+	} else {
+		g_nancy->setState(NancyState::kScene);
+	}
+}
+
+} // End of namespace State
+} // End of namespace Nancy