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engines/sherlock/tattoo/widget_credits.cpp
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215
engines/sherlock/tattoo/widget_credits.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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*
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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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*
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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 "sherlock/tattoo/widget_credits.h"
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#include "sherlock/tattoo/tattoo.h"
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namespace Sherlock {
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namespace Tattoo {
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WidgetCredits::WidgetCredits(SherlockEngine *vm) : _vm(vm) {
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_creditSpeed = 4;
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_creditsActive = false;
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}
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void WidgetCredits::initCredits() {
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Resources &res = *_vm->_res;
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Screen &screen = *_vm->_screen;
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Common::SeekableReadStream *stream = res.load("credits.txt");
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int spacing = screen.fontHeight() * 2;
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int yp = screen.height();
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_creditsActive = true;
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_creditLines.clear();
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while (stream->pos() < stream->size()) {
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Common::String line = stream->readLine();
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if (line.hasPrefix("Scroll Speed")) {
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const char *p = line.c_str() + 12;
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while ((*p < '0') || (*p > '9'))
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p++;
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_creditSpeed = atoi(p);
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} else if (line.hasPrefix("Y Spacing")) {
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const char *p = line.c_str() + 12;
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while ((*p < '0') || (*p > '9'))
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p++;
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spacing = atoi(p) + screen.fontHeight() + 1;
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} else {
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int width = screen.stringWidth(line) + 2;
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_creditLines.push_back(CreditLine(line, Common::Point((screen.width() - width) / 2 + 1, yp), width));
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yp += spacing;
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}
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}
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// Post-processing for finding split lines
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for (int l = 0; l < (int)_creditLines.size(); ++l) {
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CreditLine &cl = _creditLines[l];
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const char *p = strchr(cl._line.c_str(), '-');
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if (p != nullptr && p[1] == '>') {
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cl._line2 = Common::String(p + 3);
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cl._line = Common::String(cl._line.c_str(), p);
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int width = cl._width;
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int width1 = screen.stringWidth(cl._line);
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int width2 = screen.stringWidth(cl._line2);
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int c = 1;
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for (int l1 = l + 1; l1 < (int)_creditLines.size(); ++l1) {
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if ((p = strchr(_creditLines[l1]._line.c_str(), '-')) != nullptr) {
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if (p[1] == '>') {
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Common::String line1 = Common::String(_creditLines[l1]._line.c_str(), p);
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Common::String line2 = Common::String(p + 3);
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width1 = MAX(width1, screen.stringWidth(line1));
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if (screen.stringWidth(line2) > width2)
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width2 = screen.stringWidth(line2);
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++c;
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} else {
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break;
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}
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} else {
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break;
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}
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}
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width = width1 + width2 + screen.widestChar();
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width1 += screen.widestChar();
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for (int l1 = l; l1 < l + c; ++l1) {
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_creditLines[l1]._width = width;
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_creditLines[l1]._xOffset = width1;
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}
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l += c - 1;
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}
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}
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delete stream;
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}
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void WidgetCredits::close() {
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_creditsActive = false;
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_creditLines.clear();
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}
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void WidgetCredits::drawCredits() {
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Screen &screen = *_vm->_screen;
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Common::Rect screenRect(0, 0, screen.width(), screen.height());
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Surface &bb1 = screen._backBuffer1;
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for (uint idx = 0; idx < _creditLines.size() && _creditLines[idx]._position.y < screen.height(); ++idx) {
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if (screenRect.contains(_creditLines[idx]._position)) {
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if (!_creditLines[idx]._line2.empty()) {
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int x1 = _creditLines[idx]._position.x;
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int x2 = x1 + _creditLines[idx]._xOffset;
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const Common::String &line1 = _creditLines[idx]._line;
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const Common::String &line2 = _creditLines[idx]._line2;
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bb1.writeString(line1, Common::Point(x1 - 1, _creditLines[idx]._position.y - 1), 0);
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bb1.writeString(line1, Common::Point(x1, _creditLines[idx]._position.y - 1), 0);
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bb1.writeString(line1, Common::Point(x1 + 1, _creditLines[idx]._position.y - 1), 0);
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bb1.writeString(line1, Common::Point(x1 - 1, _creditLines[idx]._position.y), 0);
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bb1.writeString(line1, Common::Point(x1 + 1, _creditLines[idx]._position.y), 0);
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bb1.writeString(line1, Common::Point(x1 - 1, _creditLines[idx]._position.y + 1), 0);
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bb1.writeString(line1, Common::Point(x1, _creditLines[idx]._position.y + 1), 0);
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bb1.writeString(line1, Common::Point(x1 + 1, _creditLines[idx]._position.y + 1), 0);
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bb1.writeString(line1, Common::Point(x1, _creditLines[idx]._position.y), INFO_TOP);
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bb1.writeString(line2, Common::Point(x2 - 1, _creditLines[idx]._position.y - 1), 0);
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bb1.writeString(line2, Common::Point(x2, _creditLines[idx]._position.y - 1), 0);
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bb1.writeString(line2, Common::Point(x2 + 1, _creditLines[idx]._position.y - 1), 0);
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bb1.writeString(line2, Common::Point(x2 - 1, _creditLines[idx]._position.y), 0);
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bb1.writeString(line2, Common::Point(x2 + 1, _creditLines[idx]._position.y), 0);
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bb1.writeString(line2, Common::Point(x2 - 1, _creditLines[idx]._position.y + 1), 0);
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bb1.writeString(line2, Common::Point(x2, _creditLines[idx]._position.y + 1), 0);
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bb1.writeString(line2, Common::Point(x2 + 1, _creditLines[idx]._position.y + 1), 0);
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bb1.writeString(line2, Common::Point(x2, _creditLines[idx]._position.y), INFO_TOP);
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} else {
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bb1.writeString(_creditLines[idx]._line, Common::Point(_creditLines[idx]._position.x - 1, _creditLines[idx]._position.y - 1), 0);
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bb1.writeString(_creditLines[idx]._line, Common::Point(_creditLines[idx]._position.x, _creditLines[idx]._position.y - 1), 0);
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bb1.writeString(_creditLines[idx]._line, Common::Point(_creditLines[idx]._position.x + 1, _creditLines[idx]._position.y - 1), 0);
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bb1.writeString(_creditLines[idx]._line, Common::Point(_creditLines[idx]._position.x - 1, _creditLines[idx]._position.y), 0);
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bb1.writeString(_creditLines[idx]._line, Common::Point(_creditLines[idx]._position.x + 1, _creditLines[idx]._position.y), 0);
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bb1.writeString(_creditLines[idx]._line, Common::Point(_creditLines[idx]._position.x - 1, _creditLines[idx]._position.y + 1), 0);
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bb1.writeString(_creditLines[idx]._line, Common::Point(_creditLines[idx]._position.x, _creditLines[idx]._position.y + 1), 0);
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bb1.writeString(_creditLines[idx]._line, Common::Point(_creditLines[idx]._position.x + 1, _creditLines[idx]._position.y + 1), 0);
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bb1.writeString(_creditLines[idx]._line, Common::Point(_creditLines[idx]._position.x, _creditLines[idx]._position.y), INFO_TOP);
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}
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}
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}
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}
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void WidgetCredits::blitCredits() {
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Screen &screen = *_vm->_screen;
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Common::Rect screenRect(0, -_creditSpeed, screen.width(), screen.height() + _creditSpeed);
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for (uint idx = 0; idx < _creditLines.size(); ++idx) {
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if (screenRect.contains(_creditLines[idx]._position)) {
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Common::Rect r(_creditLines[idx]._width, screen.fontHeight() + 2);
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r.moveTo(_creditLines[idx]._position.x, _creditLines[idx]._position.y - 1);
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screen.slamRect(r);
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}
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}
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}
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void WidgetCredits::eraseCredits() {
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Screen &screen = *_vm->_screen;
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Common::Rect screenRect(0, -_creditSpeed, screen.width(), screen.height() + _creditSpeed);
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for (uint idx = 0; idx < _creditLines.size(); ++idx) {
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if (screenRect.contains(_creditLines[idx]._position)) {
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Common::Rect r(_creditLines[idx]._width, screen.fontHeight() + 3);
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r.moveTo(_creditLines[idx]._position.x, _creditLines[idx]._position.y - 1 + _creditSpeed);
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screen.restoreBackground(r);
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screen.slamRect(r);
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}
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_creditLines[idx]._position.y -= _creditSpeed;
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}
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if (_creditLines[_creditLines.size() - 1]._position.y < -_creditSpeed) {
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// Completely finished credits display. Note that the credits will still remain flagged as active,
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// so that the user interface knows not to allow and standard scene interaction
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_creditLines.clear();
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}
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}
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} // End of namespace Tattoo
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} // End of namespace Sherlock
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