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engines/nancy/action/secondaryvideo.cpp
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243
engines/nancy/action/secondaryvideo.cpp
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/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "engines/nancy/nancy.h"
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#include "engines/nancy/input.h"
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#include "engines/nancy/graphics.h"
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#include "engines/nancy/util.h"
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#include "engines/nancy/action/secondaryvideo.h"
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#include "engines/nancy/state/scene.h"
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#include "common/serializer.h"
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namespace Nancy {
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namespace Action {
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void PlaySecondaryVideo::init() {
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if (_decoder.isVideoLoaded()) {
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_decoder.close();
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}
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if (!_decoder.loadFile(_filename.append(".avf"))) {
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error("Couldn't load video file %s", _filename.toString().c_str());
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}
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// Every secondary video frame (in nancy1) plays exactly 12ms slower than what its metadata says.
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// I'm still not sure how/why that happens so for now I'm using this hack to fix the timings
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_decoder.addFrameTime(12);
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_drawSurface.create(_decoder.getWidth(), _decoder.getHeight(), g_nancy->_graphics->getInputPixelFormat());
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if (!_paletteFilename.empty()) {
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GraphicsManager::loadSurfacePalette(_fullFrame, _paletteFilename);
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}
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setVisible(false);
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setTransparent(true);
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_fullFrame.setTransparentColor(_drawSurface.getTransparentColor());
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RenderObject::init();
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}
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void PlaySecondaryVideo::updateGraphics() {
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if (!_decoder.isVideoLoaded()) {
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return;
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}
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if (_isInFrame && _decoder.isPlaying() ? _decoder.needsUpdate() || _decoder.atEnd() : true) {
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int lastAnimationFrame = -1;
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switch (_hoverState) {
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case kNoHover:
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if (_isHovered) {
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_hoverState = kHover;
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_decoder.start();
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_decoder.seekToFrame(_onHoverFirstFrame);
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} else {
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lastAnimationFrame = _loopLastFrame;
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}
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break;
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case kHover:
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if (!_isHovered) {
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_hoverState = kEndHover;
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if (!_decoder.isPlaying()) {
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_decoder.start();
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}
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_decoder.setRate(-_decoder.getRate());
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} else {
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lastAnimationFrame = _onHoverLastFrame;
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}
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break;
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case kEndHover:
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if (!_decoder.isPlaying()) {
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_decoder.start();
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_decoder.seekToFrame(_loopFirstFrame);
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lastAnimationFrame = _loopLastFrame;
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_hoverState = kNoHover;
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} else {
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lastAnimationFrame = _onHoverEndFirstFrame;
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}
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}
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if (_decoder.isPlaying()) {
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if (_decoder.needsUpdate()) {
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GraphicsManager::copyToManaged(*_decoder.decodeNextFrame(), _fullFrame, !_paletteFilename.empty(), _videoFormat == kSmallVideoFormat);
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_needsRedraw = true;
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}
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if (lastAnimationFrame > -1 &&
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(_decoder.atEnd() ||
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_decoder.getCurFrame() == lastAnimationFrame)) {
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if (_hoverState == kNoHover) {
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_decoder.seekToFrame(_loopFirstFrame);
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} else {
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_decoder.stop();
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}
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}
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}
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}
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if (_needsRedraw && _isVisible) {
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int vpFrame = -1;
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for (uint i = 0; i < _videoDescs.size(); ++i) {
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if (_videoDescs[i].frameID == _currentViewportFrame) {
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vpFrame = i;
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break;
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}
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}
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_drawSurface.create(_fullFrame, _videoDescs[vpFrame].srcRect);
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moveTo(_videoDescs[vpFrame].destRect);
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if (_videoHotspots == kVideoHotspots) {
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_hotspot = _screenPosition;
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_hotspot.clip(NancySceneState.getViewport().getBounds());
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_hasHotspot = true;
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}
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}
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RenderObject::updateGraphics();
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}
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void PlaySecondaryVideo::onPause(bool pause) {
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_decoder.pauseVideo(pause);
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RenderActionRecord::onPause(pause);
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}
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void PlaySecondaryVideo::handleInput(NancyInput &input) {
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if (_hasHotspot && NancySceneState.getViewport().convertViewportToScreen(_hotspot).contains(input.mousePos)) {
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_isHovered = true;
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} else {
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_isHovered = false;
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}
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}
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void PlaySecondaryVideo::readData(Common::SeekableReadStream &stream) {
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Common::Serializer ser(&stream, nullptr);
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ser.setVersion(g_nancy->getGameType());
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readFilename(stream, _filename);
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readFilename(stream, _paletteFilename);
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ser.skip(10); // video overlay bitmap filename
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ser.skip(2, kGameTypeVampire, kGameTypeVampire);
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ser.syncAsUint16LE(_videoFormat, kGameTypeVampire, kGameTypeVampire);
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ser.skip(8, kGameTypeVampire, kGameTypeVampire);
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ser.syncAsUint16LE(_videoHotspots, kGameTypeVampire, kGameTypeVampire);
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ser.syncAsUint16LE(_loopFirstFrame);
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ser.syncAsUint16LE(_loopLastFrame);
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ser.syncAsUint16LE(_onHoverFirstFrame);
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ser.syncAsUint16LE(_onHoverLastFrame);
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ser.syncAsUint16LE(_onHoverEndFirstFrame);
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ser.syncAsUint16LE(_onHoverEndLastFrame);
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_sceneChange.readData(stream, ser.getVersion() == kGameTypeVampire);
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ser.skip(1, kGameTypeNancy1);
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uint16 numVideoDescs = 0;
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ser.syncAsUint16LE(numVideoDescs);
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_videoDescs.resize(numVideoDescs);
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for (uint i = 0; i < numVideoDescs; ++i) {
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_videoDescs[i].readData(stream);
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}
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}
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void PlaySecondaryVideo::execute() {
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switch (_state) {
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case kBegin:
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init();
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registerGraphics();
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_state = kRun;
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// fall through
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case kRun: {
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// Set correct position according to viewport frame
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UI::Viewport &vp = NancySceneState.getViewport();
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if ( _currentViewportFrame != vp.getCurFrame() ||
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_currentViewportScroll != vp.getCurVerticalScroll()) {
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_currentViewportScroll = vp.getCurVerticalScroll();
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for (uint i = 0; i < _videoDescs.size(); ++i) {
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if ((uint16)_videoDescs[i].frameID == vp.getCurFrame()) {
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_currentViewportFrame = vp.getCurFrame();
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break;
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}
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_currentViewportFrame = -1;
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}
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if (_currentViewportFrame != -1) {
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if (!_isInFrame) {
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_decoder.start();
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_decoder.seekToFrame(_loopFirstFrame);
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}
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_isInFrame = true;
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setVisible(true);
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} else {
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if (_isVisible) {
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setVisible(false);
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_hasHotspot = false;
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_isInFrame = false;
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_hoverState = kNoHover;
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_decoder.stop();
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}
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}
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}
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break;
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}
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case kActionTrigger:
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NancySceneState.pushScene();
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NancySceneState.changeScene(_sceneChange);
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finishExecution();
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break;
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}
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}
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} // End of namespace Action
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} // End of namespace Nancy
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