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Breadcrumbs go here --> </ul> </div> <div class="toolbuttons toolblock"> <ul> <li id="smallA" class="t_button">A</li> <li id="medA" class="t_button active">A</li> <li id="bigA" class="t_button">A</li> <li id="print" class="t_button"><a href="javascript:this.print();"> <span>Print</span></a></li> </ul> </div> </div> <div class="content mainContent"> <h1 class="title">states.cpp Example File</h1> <span class="small-subtitle">demos/sub-attaq/states.cpp</span> <!-- $$$demos/sub-attaq/states.cpp-description --> <div class="descr"> <a name="details"></a> <pre class="cpp"> <span class="comment">/**************************************************************************** ** ** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). ** Contact: http://www.qt-project.org/legal ** ** This file is part of the QtCore module of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and Digia. For licensing terms and ** conditions see http://qt.digia.com/licensing. For further information ** use the contact form at http://qt.digia.com/contact-us. ** ** GNU Lesser General Public License Usage ** Alternatively, this file may be used under the terms of the GNU Lesser ** General Public License version 2.1 as published by the Free Software ** Foundation and appearing in the file LICENSE.LGPL included in the ** packaging of this file. Please review the following information to ** ensure the GNU Lesser General Public License version 2.1 requirements ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. ** ** In addition, as a special exception, Digia gives you certain additional ** rights. These rights are described in the Digia Qt LGPL Exception ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. ** ** GNU General Public License Usage ** Alternatively, this file may be used under the terms of the GNU ** General Public License version 3.0 as published by the Free Software ** Foundation and appearing in the file LICENSE.GPL included in the ** packaging of this file. Please review the following information to ** ensure the GNU General Public License version 3.0 requirements will be ** met: http://www.gnu.org/copyleft/gpl.html. ** ** ** $QT_END_LICENSE$ ** ****************************************************************************/</span> <span class="comment">//Own</span> <span class="preprocessor">#include "states.h"</span> <span class="preprocessor">#include "graphicsscene.h"</span> <span class="preprocessor">#include "boat.h"</span> <span class="preprocessor">#include "submarine.h"</span> <span class="preprocessor">#include "torpedo.h"</span> <span class="preprocessor">#include "animationmanager.h"</span> <span class="preprocessor">#include "progressitem.h"</span> <span class="preprocessor">#include "textinformationitem.h"</span> <span class="comment">//Qt</span> <span class="preprocessor">#include <QtGui/QMessageBox></span> <span class="preprocessor">#include <QtGui/QGraphicsView></span> <span class="preprocessor">#include <QtCore/QStateMachine></span> <span class="preprocessor">#include <QtGui/QKeyEventTransition></span> <span class="preprocessor">#include <QtCore/QFinalState></span> PlayState<span class="operator">::</span>PlayState(GraphicsScene <span class="operator">*</span>scene<span class="operator">,</span> <span class="type"><a href="qstate.html">QState</a></span> <span class="operator">*</span>parent) : <span class="type"><a href="qstate.html">QState</a></span>(parent)<span class="operator">,</span> scene(scene)<span class="operator">,</span> machine(<span class="number">0</span>)<span class="operator">,</span> currentLevel(<span class="number">0</span>)<span class="operator">,</span> score(<span class="number">0</span>) { } PlayState<span class="operator">::</span><span class="operator">~</span>PlayState() { <span class="keyword">delete</span> machine; } <span class="type">void</span> PlayState<span class="operator">::</span>onEntry(<span class="type"><a href="qevent.html">QEvent</a></span> <span class="operator">*</span>) { <span class="comment">//We are now playing?</span> <span class="keyword">if</span> (machine) { machine<span class="operator">-</span><span class="operator">></span>stop(); <span class="comment">//we hide the information</span> scene<span class="operator">-</span><span class="operator">></span>textInformationItem<span class="operator">-</span><span class="operator">></span>hide(); scene<span class="operator">-</span><span class="operator">></span>clearScene(); currentLevel <span class="operator">=</span> <span class="number">0</span>; score <span class="operator">=</span> <span class="number">0</span>; <span class="keyword">delete</span> machine; } machine <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qstatemachine.html">QStateMachine</a></span>; <span class="comment">//This state is when player is playing</span> LevelState <span class="operator">*</span>levelState <span class="operator">=</span> <span class="keyword">new</span> LevelState(scene<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> machine); <span class="comment">//This state is when the player is actually playing but the game is not paused</span> <span class="type"><a href="qstate.html">QState</a></span> <span class="operator">*</span>playingState <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qstate.html">QState</a></span>(levelState); levelState<span class="operator">-</span><span class="operator">></span>setInitialState(playingState); <span class="comment">//This state is when the game is paused</span> PauseState <span class="operator">*</span>pauseState <span class="operator">=</span> <span class="keyword">new</span> PauseState(scene<span class="operator">,</span> levelState); <span class="comment">//We have one view, it receive the key press event</span> <span class="type"><a href="qkeyeventtransition.html">QKeyEventTransition</a></span> <span class="operator">*</span>pressPplay <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qkeyeventtransition.html">QKeyEventTransition</a></span>(scene<span class="operator">-</span><span class="operator">></span>views()<span class="operator">.</span>at(<span class="number">0</span>)<span class="operator">,</span> <span class="type"><a href="qevent.html">QEvent</a></span><span class="operator">::</span>KeyPress<span class="operator">,</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_P); pressPplay<span class="operator">-</span><span class="operator">></span>setTargetState(pauseState); <span class="type"><a href="qkeyeventtransition.html">QKeyEventTransition</a></span> <span class="operator">*</span>pressPpause <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qkeyeventtransition.html">QKeyEventTransition</a></span>(scene<span class="operator">-</span><span class="operator">></span>views()<span class="operator">.</span>at(<span class="number">0</span>)<span class="operator">,</span> <span class="type"><a href="qevent.html">QEvent</a></span><span class="operator">::</span>KeyPress<span class="operator">,</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_P); pressPpause<span class="operator">-</span><span class="operator">></span>setTargetState(playingState); <span class="comment">//Pause "P" is triggered, the player pause the game</span> playingState<span class="operator">-</span><span class="operator">></span>addTransition(pressPplay); <span class="comment">//To get back playing when the game has been paused</span> pauseState<span class="operator">-</span><span class="operator">></span>addTransition(pressPpause); <span class="comment">//This state is when player have lost</span> LostState <span class="operator">*</span>lostState <span class="operator">=</span> <span class="keyword">new</span> LostState(scene<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> machine); <span class="comment">//This state is when player have won</span> WinState <span class="operator">*</span>winState <span class="operator">=</span> <span class="keyword">new</span> WinState(scene<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> machine); <span class="comment">//The boat has been destroyed then the game is finished</span> levelState<span class="operator">-</span><span class="operator">></span>addTransition(scene<span class="operator">-</span><span class="operator">></span>boat<span class="operator">,</span> SIGNAL(boatExecutionFinished())<span class="operator">,</span>lostState); <span class="comment">//This transition check if we won or not</span> WinTransition <span class="operator">*</span>winTransition <span class="operator">=</span> <span class="keyword">new</span> WinTransition(scene<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> winState); <span class="comment">//The boat has been destroyed then the game is finished</span> levelState<span class="operator">-</span><span class="operator">></span>addTransition(winTransition); <span class="comment">//This state is an animation when the score changed</span> UpdateScoreState <span class="operator">*</span>scoreState <span class="operator">=</span> <span class="keyword">new</span> UpdateScoreState(<span class="keyword">this</span><span class="operator">,</span> levelState); <span class="comment">//This transition update the score when a submarine die</span> UpdateScoreTransition <span class="operator">*</span>scoreTransition <span class="operator">=</span> <span class="keyword">new</span> UpdateScoreTransition(scene<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> levelState); scoreTransition<span class="operator">-</span><span class="operator">></span>setTargetState(scoreState); <span class="comment">//The boat has been destroyed then the game is finished</span> playingState<span class="operator">-</span><span class="operator">></span>addTransition(scoreTransition); <span class="comment">//We go back to play state</span> scoreState<span class="operator">-</span><span class="operator">></span>addTransition(playingState); <span class="comment">//We start playing!!!</span> machine<span class="operator">-</span><span class="operator">></span>setInitialState(levelState); <span class="comment">//Final state</span> <span class="type"><a href="qfinalstate.html">QFinalState</a></span> <span class="operator">*</span>final <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qfinalstate.html">QFinalState</a></span>(machine); <span class="comment">//This transition is triggered when the player press space after completing a level</span> CustomSpaceTransition <span class="operator">*</span>spaceTransition <span class="operator">=</span> <span class="keyword">new</span> CustomSpaceTransition(scene<span class="operator">-</span><span class="operator">></span>views()<span class="operator">.</span>at(<span class="number">0</span>)<span class="operator">,</span> <span class="keyword">this</span><span class="operator">,</span> <span class="type"><a href="qevent.html">QEvent</a></span><span class="operator">::</span>KeyPress<span class="operator">,</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>Key_Space); spaceTransition<span class="operator">-</span><span class="operator">></span>setTargetState(levelState); winState<span class="operator">-</span><span class="operator">></span>addTransition(spaceTransition); <span class="comment">//We lost we should reach the final state</span> lostState<span class="operator">-</span><span class="operator">></span>addTransition(lostState<span class="operator">,</span> SIGNAL(finished())<span class="operator">,</span> final); machine<span class="operator">-</span><span class="operator">></span>start(); } LevelState<span class="operator">::</span>LevelState(GraphicsScene <span class="operator">*</span>scene<span class="operator">,</span> PlayState <span class="operator">*</span>game<span class="operator">,</span> <span class="type"><a href="qstate.html">QState</a></span> <span class="operator">*</span>parent) : <span class="type"><a href="qstate.html">QState</a></span>(parent)<span class="operator">,</span> scene(scene)<span class="operator">,</span> game(game) { } <span class="type">void</span> LevelState<span class="operator">::</span>onEntry(<span class="type"><a href="qevent.html">QEvent</a></span> <span class="operator">*</span>) { initializeLevel(); } <span class="type">void</span> LevelState<span class="operator">::</span>initializeLevel() { <span class="comment">//we re-init the boat</span> scene<span class="operator">-</span><span class="operator">></span>boat<span class="operator">-</span><span class="operator">></span>setPos(scene<span class="operator">-</span><span class="operator">></span>width()<span class="operator">/</span><span class="number">2</span><span class="operator">,</span> scene<span class="operator">-</span><span class="operator">></span>sealLevel() <span class="operator">-</span> scene<span class="operator">-</span><span class="operator">></span>boat<span class="operator">-</span><span class="operator">></span>size()<span class="operator">.</span>height()); scene<span class="operator">-</span><span class="operator">></span>boat<span class="operator">-</span><span class="operator">></span>setCurrentSpeed(<span class="number">0</span>); scene<span class="operator">-</span><span class="operator">></span>boat<span class="operator">-</span><span class="operator">></span>setCurrentDirection(Boat<span class="operator">::</span>None); scene<span class="operator">-</span><span class="operator">></span>boat<span class="operator">-</span><span class="operator">></span>setBombsLaunched(<span class="number">0</span>); scene<span class="operator">-</span><span class="operator">></span>boat<span class="operator">-</span><span class="operator">></span>show(); scene<span class="operator">-</span><span class="operator">></span>setFocusItem(scene<span class="operator">-</span><span class="operator">></span>boat<span class="operator">,</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>OtherFocusReason); scene<span class="operator">-</span><span class="operator">></span>boat<span class="operator">-</span><span class="operator">></span>run(); scene<span class="operator">-</span><span class="operator">></span>progressItem<span class="operator">-</span><span class="operator">></span>setScore(game<span class="operator">-</span><span class="operator">></span>score); scene<span class="operator">-</span><span class="operator">></span>progressItem<span class="operator">-</span><span class="operator">></span>setLevel(game<span class="operator">-</span><span class="operator">></span>currentLevel <span class="operator">+</span> <span class="number">1</span>); GraphicsScene<span class="operator">::</span>LevelDescription currentLevelDescription <span class="operator">=</span> scene<span class="operator">-</span><span class="operator">></span>levelsData<span class="operator">.</span>value(game<span class="operator">-</span><span class="operator">></span>currentLevel); <span class="keyword">for</span> (<span class="type">int</span> i <span class="operator">=</span> <span class="number">0</span>; i <span class="operator"><</span> currentLevelDescription<span class="operator">.</span>submarines<span class="operator">.</span>size(); <span class="operator">+</span><span class="operator">+</span>i ) { <span class="type"><a href="qpair.html">QPair</a></span><span class="operator"><</span><span class="type">int</span><span class="operator">,</span><span class="type">int</span><span class="operator">></span> subContent <span class="operator">=</span> currentLevelDescription<span class="operator">.</span>submarines<span class="operator">.</span>at(i); GraphicsScene<span class="operator">::</span>SubmarineDescription submarineDesc <span class="operator">=</span> scene<span class="operator">-</span><span class="operator">></span>submarinesData<span class="operator">.</span>at(subContent<span class="operator">.</span>first); <span class="keyword">for</span> (<span class="type">int</span> j <span class="operator">=</span> <span class="number">0</span>; j <span class="operator"><</span> subContent<span class="operator">.</span>second; <span class="operator">+</span><span class="operator">+</span>j ) { SubMarine <span class="operator">*</span>sub <span class="operator">=</span> <span class="keyword">new</span> SubMarine(submarineDesc<span class="operator">.</span>type<span class="operator">,</span> submarineDesc<span class="operator">.</span>name<span class="operator">,</span> submarineDesc<span class="operator">.</span>points); scene<span class="operator">-</span><span class="operator">></span>addItem(sub); <span class="type">int</span> random <span class="operator">=</span> (qrand() <span class="operator">%</span> <span class="number">15</span> <span class="operator">+</span> <span class="number">1</span>); <span class="type"><a href="qtglobal.html#qreal-typedef">qreal</a></span> x <span class="operator">=</span> random <span class="operator">=</span><span class="operator">=</span> <span class="number">13</span> <span class="operator">|</span><span class="operator">|</span> random <span class="operator">=</span><span class="operator">=</span> <span class="number">5</span> <span class="operator">?</span> <span class="number">0</span> : scene<span class="operator">-</span><span class="operator">></span>width() <span class="operator">-</span> sub<span class="operator">-</span><span class="operator">></span>size()<span class="operator">.</span>width(); <span class="type"><a href="qtglobal.html#qreal-typedef">qreal</a></span> y <span class="operator">=</span> scene<span class="operator">-</span><span class="operator">></span>height() <span class="operator">-</span>(qrand() <span class="operator">%</span> <span class="number">150</span> <span class="operator">+</span> <span class="number">1</span>) <span class="operator">-</span> sub<span class="operator">-</span><span class="operator">></span>size()<span class="operator">.</span>height(); sub<span class="operator">-</span><span class="operator">></span>setPos(x<span class="operator">,</span>y); sub<span class="operator">-</span><span class="operator">></span>setCurrentDirection(x <span class="operator">=</span><span class="operator">=</span> <span class="number">0</span> <span class="operator">?</span> SubMarine<span class="operator">::</span>Right : SubMarine<span class="operator">::</span>Left); sub<span class="operator">-</span><span class="operator">></span>setCurrentSpeed(qrand() <span class="operator">%</span> <span class="number">3</span> <span class="operator">+</span> <span class="number">1</span>); } } } <span class="comment">/** Pause State */</span> PauseState<span class="operator">::</span>PauseState(GraphicsScene <span class="operator">*</span>scene<span class="operator">,</span> <span class="type"><a href="qstate.html">QState</a></span> <span class="operator">*</span>parent) : <span class="type"><a href="qstate.html">QState</a></span>(parent)<span class="operator">,</span>scene(scene) { } <span class="type">void</span> PauseState<span class="operator">::</span>onEntry(<span class="type"><a href="qevent.html">QEvent</a></span> <span class="operator">*</span>) { AnimationManager<span class="operator">::</span>self()<span class="operator">-</span><span class="operator">></span>pauseAll(); scene<span class="operator">-</span><span class="operator">></span>boat<span class="operator">-</span><span class="operator">></span>setEnabled(<span class="keyword">false</span>); } <span class="type">void</span> PauseState<span class="operator">::</span>onExit(<span class="type"><a href="qevent.html">QEvent</a></span> <span class="operator">*</span>) { AnimationManager<span class="operator">::</span>self()<span class="operator">-</span><span class="operator">></span>resumeAll(); scene<span class="operator">-</span><span class="operator">></span>boat<span class="operator">-</span><span class="operator">></span>setEnabled(<span class="keyword">true</span>); scene<span class="operator">-</span><span class="operator">></span>boat<span class="operator">-</span><span class="operator">></span>setFocus(); } <span class="comment">/** Lost State */</span> LostState<span class="operator">::</span>LostState(GraphicsScene <span class="operator">*</span>scene<span class="operator">,</span> PlayState <span class="operator">*</span>game<span class="operator">,</span> <span class="type"><a href="qstate.html">QState</a></span> <span class="operator">*</span>parent) : <span class="type"><a href="qstate.html">QState</a></span>(parent)<span class="operator">,</span> scene(scene)<span class="operator">,</span> game(game) { } <span class="type">void</span> LostState<span class="operator">::</span>onEntry(<span class="type"><a href="qevent.html">QEvent</a></span> <span class="operator">*</span>) { <span class="comment">//The message to display</span> <span class="type"><a href="qstring.html">QString</a></span> message <span class="operator">=</span> <span class="type"><a href="qstring.html">QString</a></span>(<span class="string">"You lose on level %1. Your score is %2."</span>)<span class="operator">.</span>arg(game<span class="operator">-</span><span class="operator">></span>currentLevel<span class="operator">+</span><span class="number">1</span>)<span class="operator">.</span>arg(game<span class="operator">-</span><span class="operator">></span>score); <span class="comment">//We set the level back to 0</span> game<span class="operator">-</span><span class="operator">></span>currentLevel <span class="operator">=</span> <span class="number">0</span>; <span class="comment">//We set the score back to 0</span> game<span class="operator">-</span><span class="operator">></span>score <span class="operator">=</span> <span class="number">0</span>; <span class="comment">//We clear the scene</span> scene<span class="operator">-</span><span class="operator">></span>clearScene(); <span class="comment">//We inform the player</span> scene<span class="operator">-</span><span class="operator">></span>textInformationItem<span class="operator">-</span><span class="operator">></span>setMessage(message); scene<span class="operator">-</span><span class="operator">></span>textInformationItem<span class="operator">-</span><span class="operator">></span>show(); } <span class="type">void</span> LostState<span class="operator">::</span>onExit(<span class="type"><a href="qevent.html">QEvent</a></span> <span class="operator">*</span>) { <span class="comment">//we hide the information</span> scene<span class="operator">-</span><span class="operator">></span>textInformationItem<span class="operator">-</span><span class="operator">></span>hide(); } <span class="comment">/** Win State */</span> WinState<span class="operator">::</span>WinState(GraphicsScene <span class="operator">*</span>scene<span class="operator">,</span> PlayState <span class="operator">*</span>game<span class="operator">,</span> <span class="type"><a href="qstate.html">QState</a></span> <span class="operator">*</span>parent) : <span class="type"><a href="qstate.html">QState</a></span>(parent)<span class="operator">,</span> scene(scene)<span class="operator">,</span> game(game) { } <span class="type">void</span> WinState<span class="operator">::</span>onEntry(<span class="type"><a href="qevent.html">QEvent</a></span> <span class="operator">*</span>) { <span class="comment">//We clear the scene</span> scene<span class="operator">-</span><span class="operator">></span>clearScene(); <span class="type"><a href="qstring.html">QString</a></span> message; <span class="keyword">if</span> (scene<span class="operator">-</span><span class="operator">></span>levelsData<span class="operator">.</span>size() <span class="operator">-</span> <span class="number">1</span> <span class="operator">!</span><span class="operator">=</span> game<span class="operator">-</span><span class="operator">></span>currentLevel) { message <span class="operator">=</span> <span class="type"><a href="qstring.html">QString</a></span>(<span class="string">"You win the level %1. Your score is %2.\nPress Space to continue."</span>)<span class="operator">.</span>arg(game<span class="operator">-</span><span class="operator">></span>currentLevel<span class="operator">+</span><span class="number">1</span>)<span class="operator">.</span>arg(game<span class="operator">-</span><span class="operator">></span>score); <span class="comment">//We increment the level number</span> game<span class="operator">-</span><span class="operator">></span>currentLevel<span class="operator">+</span><span class="operator">+</span>; } <span class="keyword">else</span> { message <span class="operator">=</span> <span class="type"><a href="qstring.html">QString</a></span>(<span class="string">"You finish the game on level %1. Your score is %2."</span>)<span class="operator">.</span>arg(game<span class="operator">-</span><span class="operator">></span>currentLevel<span class="operator">+</span><span class="number">1</span>)<span class="operator">.</span>arg(game<span class="operator">-</span><span class="operator">></span>score); <span class="comment">//We set the level back to 0</span> game<span class="operator">-</span><span class="operator">></span>currentLevel <span class="operator">=</span> <span class="number">0</span>; <span class="comment">//We set the score back to 0</span> game<span class="operator">-</span><span class="operator">></span>score <span class="operator">=</span> <span class="number">0</span>; } <span class="comment">//We inform the player</span> scene<span class="operator">-</span><span class="operator">></span>textInformationItem<span class="operator">-</span><span class="operator">></span>setMessage(message); scene<span class="operator">-</span><span class="operator">></span>textInformationItem<span class="operator">-</span><span class="operator">></span>show(); } <span class="type">void</span> WinState<span class="operator">::</span>onExit(<span class="type"><a href="qevent.html">QEvent</a></span> <span class="operator">*</span>) { <span class="comment">//we hide the information</span> scene<span class="operator">-</span><span class="operator">></span>textInformationItem<span class="operator">-</span><span class="operator">></span>hide(); } <span class="comment">/** UpdateScore State */</span> UpdateScoreState<span class="operator">::</span>UpdateScoreState(PlayState <span class="operator">*</span>g<span class="operator">,</span> <span class="type"><a href="qstate.html">QState</a></span> <span class="operator">*</span>parent) : <span class="type"><a href="qstate.html">QState</a></span>(parent)<span class="operator">,</span> game(g) { } <span class="comment">/** Win transition */</span> UpdateScoreTransition<span class="operator">::</span>UpdateScoreTransition(GraphicsScene <span class="operator">*</span>scene<span class="operator">,</span> PlayState <span class="operator">*</span>game<span class="operator">,</span> <span class="type"><a href="qabstractstate.html">QAbstractState</a></span> <span class="operator">*</span>target) : <span class="type"><a href="qsignaltransition.html">QSignalTransition</a></span>(scene<span class="operator">,</span>SIGNAL(subMarineDestroyed(<span class="type">int</span>)))<span class="operator">,</span> game(game)<span class="operator">,</span> scene(scene) { setTargetState(target); } <span class="type">bool</span> UpdateScoreTransition<span class="operator">::</span>eventTest(<span class="type"><a href="qevent.html">QEvent</a></span> <span class="operator">*</span>event) { <span class="keyword">if</span> (<span class="operator">!</span><span class="type"><a href="qsignaltransition.html">QSignalTransition</a></span><span class="operator">::</span>eventTest(event)) <span class="keyword">return</span> <span class="keyword">false</span>; <span class="type"><a href="qstatemachine.html">QStateMachine</a></span><span class="operator">::</span>SignalEvent <span class="operator">*</span>se <span class="operator">=</span> <span class="keyword">static_cast</span><span class="operator"><</span><span class="type"><a href="qstatemachine.html">QStateMachine</a></span><span class="operator">::</span>SignalEvent<span class="operator">*</span><span class="operator">></span>(event); game<span class="operator">-</span><span class="operator">></span>score <span class="operator">+</span><span class="operator">=</span> se<span class="operator">-</span><span class="operator">></span>arguments()<span class="operator">.</span>at(<span class="number">0</span>)<span class="operator">.</span>toInt(); scene<span class="operator">-</span><span class="operator">></span>progressItem<span class="operator">-</span><span class="operator">></span>setScore(game<span class="operator">-</span><span class="operator">></span>score); <span class="keyword">return</span> <span class="keyword">true</span>; } <span class="comment">/** Win transition */</span> WinTransition<span class="operator">::</span>WinTransition(GraphicsScene <span class="operator">*</span>scene<span class="operator">,</span> PlayState <span class="operator">*</span>game<span class="operator">,</span> <span class="type"><a href="qabstractstate.html">QAbstractState</a></span> <span class="operator">*</span>target) : <span class="type"><a href="qsignaltransition.html">QSignalTransition</a></span>(scene<span class="operator">,</span>SIGNAL(allSubMarineDestroyed(<span class="type">int</span>)))<span class="operator">,</span> game(game)<span class="operator">,</span> scene(scene) { setTargetState(target); } <span class="type">bool</span> WinTransition<span class="operator">::</span>eventTest(<span class="type"><a href="qevent.html">QEvent</a></span> <span class="operator">*</span>event) { <span class="keyword">if</span> (<span class="operator">!</span><span class="type"><a href="qsignaltransition.html">QSignalTransition</a></span><span class="operator">::</span>eventTest(event)) <span class="keyword">return</span> <span class="keyword">false</span>; <span class="type"><a href="qstatemachine.html">QStateMachine</a></span><span class="operator">::</span>SignalEvent <span class="operator">*</span>se <span class="operator">=</span> <span class="keyword">static_cast</span><span class="operator"><</span><span class="type"><a href="qstatemachine.html">QStateMachine</a></span><span class="operator">::</span>SignalEvent<span class="operator">*</span><span class="operator">></span>(event); game<span class="operator">-</span><span class="operator">></span>score <span class="operator">+</span><span class="operator">=</span> se<span class="operator">-</span><span class="operator">></span>arguments()<span class="operator">.</span>at(<span class="number">0</span>)<span class="operator">.</span>toInt(); scene<span class="operator">-</span><span class="operator">></span>progressItem<span class="operator">-</span><span class="operator">></span>setScore(game<span class="operator">-</span><span class="operator">></span>score); <span class="keyword">return</span> <span class="keyword">true</span>; } <span class="comment">/** Space transition */</span> CustomSpaceTransition<span class="operator">::</span>CustomSpaceTransition(<span class="type"><a href="qwidget.html">QWidget</a></span> <span class="operator">*</span>widget<span class="operator">,</span> PlayState <span class="operator">*</span>game<span class="operator">,</span> <span class="type"><a href="qevent.html">QEvent</a></span><span class="operator">::</span>Type type<span class="operator">,</span> <span class="type">int</span> key) : <span class="type"><a href="qkeyeventtransition.html">QKeyEventTransition</a></span>(widget<span class="operator">,</span> type<span class="operator">,</span> key)<span class="operator">,</span> game(game) { } <span class="type">bool</span> CustomSpaceTransition<span class="operator">::</span>eventTest(<span class="type"><a href="qevent.html">QEvent</a></span> <span class="operator">*</span>event) { <span class="keyword">if</span> (<span class="operator">!</span><span class="type"><a href="qkeyeventtransition.html">QKeyEventTransition</a></span><span class="operator">::</span>eventTest(event)) <span class="keyword">return</span> <span class="keyword">false</span>; <span class="keyword">return</span> (game<span class="operator">-</span><span class="operator">></span>currentLevel <span class="operator">!</span><span class="operator">=</span> <span class="number">0</span>); }</pre> </div> <!-- @@@demos/sub-attaq/states.cpp --> </div> </div> </div> <div class="ft"> <span></span> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2013 Digia Plc and/or its subsidiaries. Documentation contributions included herein are the copyrights of their respective owners.</p> <br /> <p> The documentation provided herein is licensed under the terms of the <a href="http://www.gnu.org/licenses/fdl.html">GNU Free Documentation License version 1.3</a> as published by the Free Software Foundation.</p> <p> Documentation sources may be obtained from <a href="http://www.qt-project.org"> www.qt-project.org</a>.</p> <br /> <p> Digia, Qt and their respective logos are trademarks of Digia Plc in Finland and/or other countries worldwide. All other trademarks are property of their respective owners. <a title="Privacy Policy" href="http://en.gitorious.org/privacy_policy/">Privacy Policy</a></p> </div> <script src="scripts/functions.js" type="text/javascript"></script> </body> </html>