Initial commit

engines/nancy/state/credits.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 "engines/nancy/nancy.h"
+#include "engines/nancy/resource.h"
+#include "engines/nancy/graphics.h"
+#include "engines/nancy/sound.h"
+#include "engines/nancy/input.h"
+#include "engines/nancy/cursor.h"
+#include "engines/nancy/util.h"
+
+#include "engines/nancy/state/credits.h"
+
+#include "common/events.h"
+#include "common/config-manager.h"
+
+namespace Common {
+DECLARE_SINGLETON(Nancy::State::Credits);
+}
+
+namespace Nancy {
+namespace State {
+
+void Credits::process() {
+	switch (_state) {
+	case kInit:
+		init();
+		// fall through
+	case kRun:
+		run();
+		break;
+	}
+}
+
+void Credits::onStateEnter(const NancyState::NancyState prevState) {
+	// Handle returning from the GMM
+	if (prevState == NancyState::kPause) {
+		g_nancy->_sound->pauseSound(_creditsData->sound, false);
+	}
+}
+
+bool Credits::onStateExit(const NancyState::NancyState nextState) {
+	// Handle the GMM being called
+	if (nextState == NancyState::kPause) {
+		g_nancy->_sound->pauseSound(_creditsData->sound, true);
+
+		return false;
+	} else {
+		return true;
+	}
+}
+
+void Credits::init() {
+	_creditsData = GetEngineData(CRED);
+	assert(_creditsData);
+
+	_background.init(_creditsData->imageName);
+	_textSurface.moveTo(_creditsData->textScreenPosition);
+
+	drawTextSurface(0);
+
+	_textSurface._drawSurface.create(_fullTextSurface, _textSurface.getBounds());
+	_textSurface.init();
+
+	g_nancy->_sound->stopSound("MSND");
+
+	g_nancy->_sound->loadSound(_creditsData->sound);
+	g_nancy->_sound->playSound(_creditsData->sound);
+
+	_background.registerGraphics();
+	_textSurface.registerGraphics();
+
+	g_nancy->setMouseEnabled(false);
+
+	_state = kRun;
+}
+
+void Credits::run() {
+	NancyInput input = g_nancy->_input->getInput();
+
+	if (input.input & NancyInput::kLeftMouseButtonDown) {
+		_state = kInit;
+		g_nancy->_sound->stopSound(_creditsData->sound);
+		g_nancy->setMouseEnabled(true);
+		_fullTextSurface.free();
+
+		if (!ConfMan.hasKey("original_menus") || ConfMan.getBool("original_menus")) {
+			g_nancy->setState(NancyState::kMainMenu);
+			return;
+		}
+
+		Common::Event ev;
+		ev.type = Common::EVENT_RETURN_TO_LAUNCHER;
+		g_system->getEventManager()->pushEvent(ev);
+
+		return;
+	}
+
+	Time currentTime = g_nancy->getTotalPlayTime();
+	if (currentTime >= _nextUpdateTime) {
+		_nextUpdateTime = currentTime + _creditsData->updateTime;
+
+		Common::Rect newSrc = _textSurface.getScreenPosition();
+		newSrc.moveTo(_textSurface._drawSurface.getOffsetFromOwner());
+		newSrc.translate(0, _creditsData->pixelsToScroll);
+
+		if (newSrc.bottom > _fullTextSurface.h) {
+			newSrc.moveTo(Common::Point());
+			if (_creditsData->textNames.size() > 1) {
+				drawTextSurface(_currentTextImage == _creditsData->textNames.size() - 1 ? 0 : _currentTextImage + 1);
+			}
+		}
+
+		_textSurface._drawSurface.create(_fullTextSurface, newSrc);
+		_textSurface.setVisible(true);
+	}
+}
+
+void Credits::drawTextSurface(uint id) {
+	Graphics::ManagedSurface image;
+	uint surfaceHeight = _textSurface.getBounds().height();
+	g_nancy->_resource->loadImage(_creditsData->textNames[id], image);
+	_fullTextSurface.create(image.w, image.h + (surfaceHeight * 2), g_nancy->_graphics->getInputPixelFormat());
+	_fullTextSurface.setTransparentColor(g_nancy->_graphics->getTransColor());
+	_fullTextSurface.clear(_fullTextSurface.getTransparentColor());
+	_fullTextSurface.blitFrom(image, Common::Point(0, surfaceHeight));
+
+	if (image.hasPalette()) {
+		uint8 palette[256 * 3];
+		image.grabPalette(palette, 0, 256);
+		_fullTextSurface.setPalette(palette, 0, 256);
+	}
+
+	_currentTextImage = id;
+}
+
+} // End of namespace State
+} // End of namespace Nancy