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<h1 class="title">gameengine.cpp Example File</h1>
<span class="small-subtitle">demos/mobile/quickhit/gameengine.cpp</span>
<!-- $$$demos/mobile/quickhit/gameengine.cpp-description -->
<div class="descr"> <a name="details"></a>
<pre class="cpp"> <span class="comment">/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtDeclarative module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of The Qt Company Ltd nor the names of its
** contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/</span>
<span class="preprocessor">#include "gameengine.h"</span>
<span class="preprocessor">#include "plugins/levelplugininterface.h"</span>
<span class="preprocessor">#include "InvSounds.h"</span>
<span class="preprocessor">#include <QDebug></span>
<span class="preprocessor">#include <QTimerEvent></span>
<span class="preprocessor">#include <QTime></span>
<span class="preprocessor">#include <QDesktopServices></span>
<span class="keyword">const</span> <span class="type">int</span> TIMER_SPEED <span class="operator">=</span> <span class="number">80</span>;
GameEngine<span class="operator">::</span>GameEngine(<span class="type"><a href="qobject.html">QObject</a></span><span class="operator">*</span> parent)
:<span class="type"><a href="qobject.html">QObject</a></span>(parent)
{
m_timerId <span class="operator">=</span> <span class="number">0</span>;
m_doEnemyMissile <span class="operator">=</span> <span class="number">1500</span> <span class="operator">/</span> TIMER_SPEED;
m_GameGml <span class="operator">=</span> <span class="number">0</span>;
m_gameLevel <span class="operator">=</span> <span class="number">0</span>;
clearQmlObjects();
<span class="comment">// For random</span>
<span class="type"><a href="qtime.html">QTime</a></span> time <span class="operator">=</span> <span class="type"><a href="qtime.html">QTime</a></span><span class="operator">::</span>currentTime();
qsrand((<span class="type"><a href="qtglobal.html#uint-typedef">uint</a></span>)time<span class="operator">.</span>msec());
<span class="comment">// Sound engine</span>
m_soundEngine <span class="operator">=</span> <span class="keyword">new</span> CInvSounds(<span class="keyword">this</span>);
<span class="comment">// Device profile</span>
m_silent <span class="operator">=</span> <span class="keyword">false</span>;
<span class="preprocessor">#ifdef Q_OS_SYMBIAN</span>
iVibrate <span class="operator">=</span> CHWRMVibra<span class="operator">::</span>NewL();
<span class="preprocessor">#endif</span>
<span class="comment">// Get device profile, is it silent?</span>
<span class="preprocessor">#if defined Q_OS_SYMBIAN || defined Q_WS_MAEMO_5</span>
m_systemDeviceInfo <span class="operator">=</span> <span class="keyword">new</span> <span class="type">QSystemDeviceInfo</span>(<span class="keyword">this</span>);
<span class="type"><a href="qobject.html">QObject</a></span><span class="operator">::</span>connect(m_systemDeviceInfo<span class="operator">,</span>SIGNAL(currentProfileChanged(<span class="type">QSystemDeviceInfo</span><span class="operator">::</span>Profile))<span class="operator">,</span><span class="keyword">this</span><span class="operator">,</span>
SLOT(currentProfileChanged(<span class="type">QSystemDeviceInfo</span><span class="operator">::</span>Profile)));
<span class="type">QSystemDeviceInfo</span><span class="operator">::</span>Profile p <span class="operator">=</span> m_systemDeviceInfo<span class="operator">-</span><span class="operator">></span>currentProfile();
<span class="keyword">if</span> (p <span class="operator">=</span><span class="operator">=</span> <span class="type">QSystemDeviceInfo</span><span class="operator">::</span>SilentProfile) {
m_silent <span class="operator">=</span> <span class="keyword">true</span>;
}
<span class="preprocessor">#endif</span>
}
GameEngine<span class="operator">::</span><span class="operator">~</span>GameEngine()
{
<span class="preprocessor">#ifdef Q_OS_SYMBIAN</span>
<span class="keyword">delete</span> iVibrate;
<span class="preprocessor">#endif</span>
}
<span class="type">void</span> GameEngine<span class="operator">::</span>gameStartSound()
{
<span class="keyword">if</span> (<span class="operator">!</span>m_silent)
m_soundEngine<span class="operator">-</span><span class="operator">></span>gameStartSound();
}
<span class="preprocessor">#if defined Q_OS_SYMBIAN || defined Q_WS_MAEMO_5</span>
<span class="type">void</span> GameEngine<span class="operator">::</span>currentProfileChanged(<span class="type">QSystemDeviceInfo</span><span class="operator">::</span>Profile p)
{
<span class="keyword">if</span> (p <span class="operator">=</span><span class="operator">=</span> <span class="type">QSystemDeviceInfo</span><span class="operator">::</span>SilentProfile) {
enableSounds(<span class="type"><a href="qvariant.html">QVariant</a></span>(<span class="keyword">false</span>));
} <span class="keyword">else</span> {
enableSounds(<span class="type"><a href="qvariant.html">QVariant</a></span>(<span class="keyword">true</span>));
}
}
<span class="preprocessor">#endif</span>
<span class="type">void</span> GameEngine<span class="operator">::</span>enableSounds(<span class="type"><a href="qvariant.html">QVariant</a></span> enable)
{
m_silent <span class="operator">=</span> <span class="operator">!</span>enable<span class="operator">.</span>toBool();
<span class="keyword">if</span> (m_silent)
<span class="keyword">this</span><span class="operator">-</span><span class="operator">></span>m_soundEngine<span class="operator">-</span><span class="operator">></span>enableSounds(<span class="keyword">false</span>);
<span class="keyword">else</span>
<span class="keyword">this</span><span class="operator">-</span><span class="operator">></span>m_soundEngine<span class="operator">-</span><span class="operator">></span>enableSounds(<span class="keyword">true</span>);
}
<span class="type"><a href="qvariant.html">QVariant</a></span> GameEngine<span class="operator">::</span>randInt(<span class="type"><a href="qvariant.html">QVariant</a></span> low<span class="operator">,</span> <span class="type"><a href="qvariant.html">QVariant</a></span> high)
{
<span class="comment">// Random number between low and high</span>
<span class="keyword">return</span> qrand() <span class="operator">%</span> ((high<span class="operator">.</span>toInt() <span class="operator">+</span> <span class="number">1</span>) <span class="operator">-</span> low<span class="operator">.</span>toInt()) <span class="operator">+</span> low<span class="operator">.</span>toInt();
}
<span class="type">void</span> GameEngine<span class="operator">::</span>setGameLevel(LevelPluginInterface<span class="operator">*</span> level)
{
<span class="comment">// Set used game level</span>
m_gameLevel <span class="operator">=</span> level;
<span class="keyword">if</span> (m_gameLevel) {
<span class="comment">// Set used sound from the level into sound engine</span>
m_soundEngine<span class="operator">-</span><span class="operator">></span>enableSounds(m_gameLevel<span class="operator">-</span><span class="operator">></span>levelSounds());
<span class="comment">// Invoke QML to take new level in use</span>
<span class="type"><a href="qmetaobject.html">QMetaObject</a></span><span class="operator">::</span>invokeMethod(m_GameGml<span class="operator">,</span> <span class="string">"levelReadyForCreation"</span><span class="operator">,</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>AutoConnection);
m_doEnemyMissile <span class="operator">=</span> m_gameLevel<span class="operator">-</span><span class="operator">></span>enemyFireSpeed()<span class="operator">.</span>toInt() <span class="operator">/</span> TIMER_SPEED;
}
}
<span class="type">void</span> GameEngine<span class="operator">::</span>setPluginList(<span class="type"><a href="qlist.html">QList</a></span><span class="operator"><</span><span class="type"><a href="qpluginloader.html">QPluginLoader</a></span><span class="operator">*</span><span class="operator">></span> plugins)
{
m_pluginList <span class="operator">=</span> plugins;
}
<span class="type"><a href="qvariant.html">QVariant</a></span> GameEngine<span class="operator">::</span>pluginList()
{
<span class="type"><a href="qstringlist.html">QStringList</a></span> list;
<span class="type"><a href="qpluginloader.html">QPluginLoader</a></span><span class="operator">*</span> loader;
foreach (loader<span class="operator">,</span>m_pluginList) {
<span class="type"><a href="qstring.html">QString</a></span> s <span class="operator">=</span> loader<span class="operator">-</span><span class="operator">></span>fileName();
s <span class="operator">=</span> s<span class="operator">.</span>mid(s<span class="operator">.</span>lastIndexOf(<span class="string">"/"</span>)<span class="operator">+</span><span class="number">1</span>);
s <span class="operator">=</span> s<span class="operator">.</span>left(s<span class="operator">.</span>lastIndexOf(<span class="string">"."</span>));
s <span class="operator">=</span> s<span class="operator">.</span>toUpper();
<span class="preprocessor">#ifdef Q_WS_MAEMO_5</span>
<span class="keyword">if</span> (s<span class="operator">.</span>contains(<span class="string">"LIB"</span>)) {
s <span class="operator">=</span> s<span class="operator">.</span>right(s<span class="operator">.</span>length() <span class="operator">-</span> (s<span class="operator">.</span>indexOf(<span class="string">"LIB"</span>)<span class="operator">+</span><span class="number">3</span>));
}
<span class="preprocessor">#endif</span>
list<span class="operator">.</span>append(s);
}
<span class="keyword">return</span> <span class="type"><a href="qvariant.html">QVariant</a></span>(list);
}
<span class="type">void</span> GameEngine<span class="operator">::</span>pauseLevel(<span class="type"><a href="qvariant.html">QVariant</a></span> doPause)
{
<span class="type">bool</span> enableTimer <span class="operator">=</span> <span class="operator">!</span>doPause<span class="operator">.</span>toBool();
enableEngineTimer(<span class="type"><a href="qvariant.html">QVariant</a></span>(enableTimer));
<span class="type"><a href="qmetaobject.html">QMetaObject</a></span><span class="operator">::</span>invokeMethod(m_levelQml<span class="operator">,</span> <span class="string">"pause"</span><span class="operator">,</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>AutoConnection<span class="operator">,</span>Q_ARG(<span class="type"><a href="qvariant.html">QVariant</a></span><span class="operator">,</span> doPause));
}
<span class="type">void</span> GameEngine<span class="operator">::</span>findQmlObjects()
{
<span class="keyword">if</span> (m_GameGml) {
<a href="qtglobal.html#qDebug">qDebug</a>() <span class="operator"><</span><span class="operator"><</span> <span class="string">"GameEngine::findQmlObjects()"</span>;
<span class="comment">// Find Missiles objects</span>
m_missileList<span class="operator">.</span>clear();
m_enemyMissileList<span class="operator">.</span>clear();
findMissiles(m_GameGml);
<span class="comment">// Set QMLs</span>
setLevelQml(m_GameGml<span class="operator">-</span><span class="operator">></span>findChild<span class="operator"><</span><span class="type"><a href="qobject.html">QObject</a></span><span class="operator">*</span><span class="operator">></span>(<span class="string">"level"</span>));
setEnemiesGridQml(m_GameGml<span class="operator">-</span><span class="operator">></span>findChild<span class="operator"><</span><span class="type"><a href="qobject.html">QObject</a></span><span class="operator">*</span><span class="operator">></span>(<span class="string">"enemiesGrid"</span>));
setMyShipQml(m_GameGml<span class="operator">-</span><span class="operator">></span>findChild<span class="operator"><</span><span class="type"><a href="qobject.html">QObject</a></span><span class="operator">*</span><span class="operator">></span>(<span class="string">"myShip"</span>));
<span class="comment">// Find Enemies objects</span>
m_enemyList<span class="operator">.</span>clear();
<a href="qtglobal.html#qDebug">qDebug</a>() <span class="operator"><</span><span class="operator"><</span> <span class="string">"GameEngine::findQmlObjects() find enemies from: level QML"</span>;
findEnemies(m_levelQml);
} <span class="keyword">else</span> {
<a href="qtglobal.html#qDebug">qDebug</a>() <span class="operator"><</span><span class="operator"><</span> <span class="string">"GameEngine::findQmlObjects() rootObject NULL"</span>;
}
}
<span class="type">void</span> GameEngine<span class="operator">::</span>clearQmlObjects()
{
m_missileList<span class="operator">.</span>clear();
m_enemyMissileList<span class="operator">.</span>clear();
m_enemyList<span class="operator">.</span>clear();
m_levelQml <span class="operator">=</span> <span class="number">0</span>;
m_enemiesGridGml <span class="operator">=</span> <span class="number">0</span>;
m_myShipGml <span class="operator">=</span> <span class="number">0</span>;
<span class="comment">//m_GameGml = 0; // NOTE: Do not delete this</span>
}
<span class="type">void</span> GameEngine<span class="operator">::</span>findMissiles(<span class="type"><a href="qobject.html">QObject</a></span> <span class="operator">*</span>rootObject)
{
<span class="keyword">if</span> (rootObject) {
<span class="type"><a href="qobject.html#QObjectList-typedef">QObjectList</a></span> list <span class="operator">=</span> rootObject<span class="operator">-</span><span class="operator">></span>children();
<span class="type"><a href="qobject.html">QObject</a></span><span class="operator">*</span> item;
foreach (item<span class="operator">,</span>list) {
<span class="keyword">if</span> (item<span class="operator">-</span><span class="operator">></span>children()<span class="operator">.</span>count()<span class="operator">></span><span class="number">0</span>) {
findMissiles(item);
} <span class="keyword">else</span> {
<span class="keyword">if</span> (rootObject<span class="operator">-</span><span class="operator">></span>objectName()<span class="operator">=</span><span class="operator">=</span><span class="string">"missile"</span>) {
<span class="type"><a href="qdeclarativeitem.html">QDeclarativeItem</a></span><span class="operator">*</span> missile <span class="operator">=</span> <span class="keyword">static_cast</span><span class="operator"><</span><span class="type"><a href="qdeclarativeitem.html">QDeclarativeItem</a></span><span class="operator">*</span><span class="operator">></span>(rootObject);
m_missileList<span class="operator">.</span>append(missile);
} <span class="keyword">else</span> <span class="keyword">if</span> (rootObject<span class="operator">-</span><span class="operator">></span>objectName()<span class="operator">=</span><span class="operator">=</span><span class="string">"enemy_missile"</span>) {
<span class="type"><a href="qdeclarativeitem.html">QDeclarativeItem</a></span><span class="operator">*</span> enemyMissile <span class="operator">=</span> <span class="keyword">static_cast</span><span class="operator"><</span><span class="type"><a href="qdeclarativeitem.html">QDeclarativeItem</a></span><span class="operator">*</span><span class="operator">></span>(rootObject);
m_enemyMissileList<span class="operator">.</span>append(enemyMissile);
}
}
}
} <span class="keyword">else</span> {
<a href="qtglobal.html#qDebug">qDebug</a>() <span class="operator"><</span><span class="operator"><</span> <span class="string">"GameEngine::findMissiles() rootObject NULL"</span>;
}
}
<span class="type">void</span> GameEngine<span class="operator">::</span>findEnemies(<span class="type"><a href="qobject.html">QObject</a></span> <span class="operator">*</span>rootObject)
{
<span class="keyword">if</span> (rootObject) {
<span class="type"><a href="qobject.html#QObjectList-typedef">QObjectList</a></span> list <span class="operator">=</span> rootObject<span class="operator">-</span><span class="operator">></span>children();
<span class="type"><a href="qobject.html">QObject</a></span><span class="operator">*</span> item;
foreach (item<span class="operator">,</span>list) {
<span class="keyword">if</span> (item<span class="operator">-</span><span class="operator">></span>children()<span class="operator">.</span>count()<span class="operator">></span><span class="number">0</span> <span class="operator">&</span><span class="operator">&</span> item<span class="operator">-</span><span class="operator">></span>objectName()<span class="operator">!</span><span class="operator">=</span><span class="string">"enemy"</span>) {
<span class="comment">//qDebug() << "Enemy children found from: " << item->objectName();</span>
findEnemies(item);
} <span class="keyword">else</span> {
<span class="keyword">if</span> (item<span class="operator">-</span><span class="operator">></span>objectName()<span class="operator">=</span><span class="operator">=</span><span class="string">"enemy"</span>) {
<span class="comment">//qDebug() << "Enemy child founds: " << item->objectName();</span>
<span class="type"><a href="qdeclarativeitem.html">QDeclarativeItem</a></span><span class="operator">*</span> enemy <span class="operator">=</span> <span class="keyword">static_cast</span><span class="operator"><</span><span class="type"><a href="qdeclarativeitem.html">QDeclarativeItem</a></span><span class="operator">*</span><span class="operator">></span>(item);
m_enemyList<span class="operator">.</span>append(enemy);
}
}
}
} <span class="keyword">else</span> {
<a href="qtglobal.html#qDebug">qDebug</a>() <span class="operator"><</span><span class="operator"><</span> <span class="string">"GameEngine::findEnemies() rootObject NULL"</span>;
}
}
<span class="type">void</span> GameEngine<span class="operator">::</span>setEnemiesGridQml(<span class="type"><a href="qobject.html">QObject</a></span><span class="operator">*</span> o)
{
m_enemiesGridGml <span class="operator">=</span> <span class="keyword">static_cast</span><span class="operator"><</span><span class="type"><a href="qdeclarativeitem.html">QDeclarativeItem</a></span><span class="operator">*</span><span class="operator">></span>(o);
}
<span class="type">void</span> GameEngine<span class="operator">::</span>setMyShipQml(<span class="type"><a href="qobject.html">QObject</a></span><span class="operator">*</span> o)
{
m_myShipGml <span class="operator">=</span> <span class="keyword">static_cast</span><span class="operator"><</span><span class="type"><a href="qdeclarativeitem.html">QDeclarativeItem</a></span><span class="operator">*</span><span class="operator">></span>(o);
}
<span class="type">void</span> GameEngine<span class="operator">::</span>setGameQml(<span class="type"><a href="qobject.html">QObject</a></span><span class="operator">*</span> o)
{
m_GameGml <span class="operator">=</span> <span class="keyword">static_cast</span><span class="operator"><</span><span class="type"><a href="qdeclarativeitem.html">QDeclarativeItem</a></span><span class="operator">*</span><span class="operator">></span>(o);
}
<span class="type">void</span> GameEngine<span class="operator">::</span>timerEvent(<span class="type"><a href="qtimerevent.html">QTimerEvent</a></span> <span class="operator">*</span>e)
{
<span class="keyword">if</span> (e<span class="operator">-</span><span class="operator">></span>timerId()<span class="operator">=</span><span class="operator">=</span>m_timerId) {
<span class="comment">// Do hit test</span>
doHitTest();
m_doEnemyMissile<span class="operator">-</span><span class="operator">-</span>;
<span class="keyword">if</span> (m_gameLevel <span class="operator">&</span><span class="operator">&</span> m_doEnemyMissile<span class="operator"><</span><span class="number">0</span>) {
m_doEnemyMissile <span class="operator">=</span> m_gameLevel<span class="operator">-</span><span class="operator">></span>enemyFireSpeed()<span class="operator">.</span>toInt() <span class="operator">/</span> TIMER_SPEED;
<span class="comment">// Do emeny missile launch</span>
doEnemyMissile();
}
}
}
<span class="type">void</span> GameEngine<span class="operator">::</span>enableEngineTimer(<span class="type"><a href="qvariant.html">QVariant</a></span> enable)
{
<span class="keyword">if</span> (m_gameLevel) {
<span class="keyword">if</span> (m_timerId<span class="operator">=</span><span class="operator">=</span><span class="number">0</span> <span class="operator">&</span><span class="operator">&</span> enable<span class="operator">.</span>toBool()) {
m_timerId <span class="operator">=</span> <span class="type"><a href="qobject.html">QObject</a></span><span class="operator">::</span>startTimer(TIMER_SPEED);
}
<span class="keyword">else</span> <span class="keyword">if</span> (m_timerId <span class="operator">!</span><span class="operator">=</span> <span class="number">0</span> <span class="operator">&</span><span class="operator">&</span> <span class="operator">!</span>enable<span class="operator">.</span>toBool()) {
<span class="type"><a href="qobject.html">QObject</a></span><span class="operator">::</span>killTimer(m_timerId);
m_timerId <span class="operator">=</span> <span class="number">0</span>;
}
}
}
<span class="type">void</span> GameEngine<span class="operator">::</span>selectVisibleEnemy(<span class="type">int</span><span class="operator">&</span> start<span class="operator">,</span> <span class="type">int</span><span class="operator">&</span> end)
{
<span class="type"><a href="qdeclarativeitem.html">QDeclarativeItem</a></span><span class="operator">*</span> enemy <span class="operator">=</span> <span class="number">0</span>;
<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>m_enemyList<span class="operator">.</span>count() ; i<span class="operator">+</span><span class="operator">+</span>) {
enemy <span class="operator">=</span> m_enemyList<span class="operator">[</span>i<span class="operator">]</span>;
<span class="keyword">if</span> (enemy<span class="operator">-</span><span class="operator">></span>opacity()<span class="operator">=</span><span class="operator">=</span><span class="number">1</span>) {
start <span class="operator">=</span> i;
<span class="keyword">break</span>;
}
}
enemy <span class="operator">=</span> <span class="number">0</span>;
<span class="keyword">for</span> (<span class="type">int</span> e<span class="operator">=</span>m_enemyList<span class="operator">.</span>count()<span class="operator">-</span><span class="number">1</span> ; e<span class="operator">></span><span class="number">0</span> ; e<span class="operator">-</span><span class="operator">-</span>) {
enemy <span class="operator">=</span> m_enemyList<span class="operator">[</span>e<span class="operator">]</span>;
<span class="keyword">if</span> (enemy<span class="operator">-</span><span class="operator">></span>opacity()<span class="operator">=</span><span class="operator">=</span><span class="number">1</span>) {
end <span class="operator">=</span> e;
<span class="keyword">break</span>;
}
}
}
<span class="type">void</span> GameEngine<span class="operator">::</span>doEnemyMissile()
{
<span class="type"><a href="qmutexlocker.html">QMutexLocker</a></span> locker(<span class="operator">&</span>m_enemyListMutex);
<span class="type"><a href="qdeclarativeitem.html">QDeclarativeItem</a></span><span class="operator">*</span> missile <span class="operator">=</span> <span class="number">0</span>;
<span class="type"><a href="qdeclarativeitem.html">QDeclarativeItem</a></span><span class="operator">*</span> enemy <span class="operator">=</span> <span class="number">0</span>;
<span class="comment">// Find free missile</span>
foreach (missile<span class="operator">,</span> m_enemyMissileList) {
<span class="keyword">if</span> (missile<span class="operator">-</span><span class="operator">></span>opacity()<span class="operator">=</span><span class="operator">=</span><span class="number">0</span>){
<span class="comment">// Random select enemy who fire</span>
<span class="type">int</span> start<span class="operator">=</span><span class="number">0</span>; <span class="type">int</span> end<span class="operator">=</span><span class="number">0</span>;
selectVisibleEnemy(start<span class="operator">,</span>end);
<span class="type">int</span> whoWillFire <span class="operator">=</span> randInt(<span class="type"><a href="qvariant.html">QVariant</a></span>(start)<span class="operator">,</span><span class="type"><a href="qvariant.html">QVariant</a></span>(end))<span class="operator">.</span>toInt();
<span class="keyword">if</span> (m_enemyList<span class="operator">.</span>count() <span class="operator"><</span> whoWillFire<span class="operator">+</span><span class="number">1</span>)
<span class="keyword">break</span>;
enemy <span class="operator">=</span> m_enemyList<span class="operator">.</span>at(whoWillFire);
<span class="keyword">if</span> (enemy <span class="operator">&</span><span class="operator">&</span> enemy<span class="operator">-</span><span class="operator">></span>opacity()<span class="operator">=</span><span class="operator">=</span><span class="number">1</span>) {
<span class="type"><a href="qpointf.html">QPointF</a></span> enemyP <span class="operator">=</span> enemy<span class="operator">-</span><span class="operator">></span>pos();
<span class="keyword">if</span> (m_enemiesGridGml) {
enemyP <span class="operator">+</span><span class="operator">=</span> m_enemiesGridGml<span class="operator">-</span><span class="operator">></span>pos();
}
<span class="comment">//qDebug() << "QMetaObject::invokeMethod() - fireEnemyMissile";</span>
<span class="type"><a href="qmetaobject.html">QMetaObject</a></span><span class="operator">::</span>invokeMethod(m_GameGml<span class="operator">,</span> <span class="string">"fireEnemyMissile"</span><span class="operator">,</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>AutoConnection<span class="operator">,</span>
Q_ARG(<span class="type"><a href="qvariant.html">QVariant</a></span><span class="operator">,</span> enemyP<span class="operator">.</span>x()<span class="operator">+</span>enemy<span class="operator">-</span><span class="operator">></span>boundingRect()<span class="operator">.</span>width()<span class="operator">/</span><span class="number">4</span>)<span class="operator">,</span>
Q_ARG(<span class="type"><a href="qvariant.html">QVariant</a></span><span class="operator">,</span> enemyP<span class="operator">.</span>y()<span class="operator">+</span>enemy<span class="operator">-</span><span class="operator">></span>boundingRect()<span class="operator">.</span>height())<span class="operator">,</span>
Q_ARG(<span class="type"><a href="qvariant.html">QVariant</a></span><span class="operator">,</span> m_GameGml<span class="operator">-</span><span class="operator">></span>boundingRect()<span class="operator">.</span>height()));
}
<span class="keyword">break</span>;
}
}
}
<span class="type">void</span> GameEngine<span class="operator">::</span>doHitTest()
{
<span class="type"><a href="qmutexlocker.html">QMutexLocker</a></span> locker(<span class="operator">&</span>m_enemyListMutex);
<span class="type"><a href="qdeclarativeitem.html">QDeclarativeItem</a></span><span class="operator">*</span> missile <span class="operator">=</span> <span class="number">0</span>;
<span class="type"><a href="qdeclarativeitem.html">QDeclarativeItem</a></span><span class="operator">*</span> enemy <span class="operator">=</span> <span class="number">0</span>;
<span class="comment">// No enemies?</span>
<span class="keyword">if</span> (m_enemyList<span class="operator">.</span>count()<span class="operator">=</span><span class="operator">=</span><span class="number">0</span>) {
enableEngineTimer(<span class="type"><a href="qvariant.html">QVariant</a></span>(<span class="keyword">false</span>));
<a href="qtglobal.html#qDebug">qDebug</a>() <span class="operator"><</span><span class="operator"><</span> <span class="string">"No enemies left"</span>;
gameOver(<span class="keyword">true</span>);
<span class="keyword">return</span>;
}
<span class="keyword">if</span> (<span class="operator">!</span>m_myShipGml) {
<span class="keyword">return</span>;
}
<span class="comment">// Check ship collision</span>
<span class="keyword">if</span> (m_myShipGml<span class="operator">-</span><span class="operator">></span>opacity()<span class="operator">=</span><span class="operator">=</span><span class="number">1</span>) {
<span class="keyword">for</span> (<span class="type">int</span> e<span class="operator">=</span><span class="number">0</span>; e<span class="operator"><</span>m_enemyList<span class="operator">.</span>count(); e<span class="operator">+</span><span class="operator">+</span>) {
enemy <span class="operator">=</span> m_enemyList<span class="operator">[</span>e<span class="operator">]</span>;
<span class="keyword">if</span> (enemy<span class="operator">-</span><span class="operator">></span>opacity()<span class="operator">=</span><span class="operator">=</span><span class="number">0</span>) {
<span class="keyword">break</span>;
}
<span class="type"><a href="qpointf.html">QPointF</a></span> enemyP <span class="operator">=</span> enemy<span class="operator">-</span><span class="operator">></span>pos();
<span class="keyword">if</span> (m_enemiesGridGml) {
enemyP <span class="operator">+</span><span class="operator">=</span> m_enemiesGridGml<span class="operator">-</span><span class="operator">></span>pos();
}
<span class="type"><a href="qrectf.html">QRectF</a></span> enemyR(enemyP<span class="operator">,</span><span class="type"><a href="qsize.html">QSize</a></span>(enemy<span class="operator">-</span><span class="operator">></span>boundingRect()<span class="operator">.</span>width()<span class="operator">,</span>enemy<span class="operator">-</span><span class="operator">></span>boundingRect()<span class="operator">.</span>height()));
<span class="comment">// Collision?</span>
<span class="keyword">if</span> (enemyR<span class="operator">.</span>contains(m_myShipGml<span class="operator">-</span><span class="operator">></span>pos())) {
enableEngineTimer(<span class="type"><a href="qvariant.html">QVariant</a></span>(<span class="keyword">false</span>));
<span class="comment">// Collision explosion</span>
<span class="type"><a href="qpointf.html">QPointF</a></span> myP <span class="operator">=</span> m_myShipGml<span class="operator">-</span><span class="operator">></span>pos();
playSound(<span class="number">1</span>);
<span class="type"><a href="qmetaobject.html">QMetaObject</a></span><span class="operator">::</span>invokeMethod(m_levelQml<span class="operator">,</span> <span class="string">"explode"</span><span class="operator">,</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>AutoConnection<span class="operator">,</span>
Q_ARG(<span class="type"><a href="qvariant.html">QVariant</a></span><span class="operator">,</span> myP<span class="operator">.</span>x()<span class="operator">+</span>m_myShipGml<span class="operator">-</span><span class="operator">></span>boundingRect()<span class="operator">.</span>width()<span class="operator">/</span><span class="number">2</span>)<span class="operator">,</span>
Q_ARG(<span class="type"><a href="qvariant.html">QVariant</a></span><span class="operator">,</span> myP<span class="operator">.</span>y()<span class="operator">+</span>m_myShipGml<span class="operator">-</span><span class="operator">></span>boundingRect()<span class="operator">.</span>height()));
m_myShipGml<span class="operator">-</span><span class="operator">></span>setOpacity(<span class="number">0</span>);
gameOver(<span class="keyword">false</span>);
<a href="qtglobal.html#qDebug">qDebug</a>() <span class="operator"><</span><span class="operator"><</span> <span class="string">"Collision"</span>;
<span class="keyword">return</span>;
}
<span class="comment">// Enemy too deep?</span>
<span class="keyword">else</span> <span class="keyword">if</span> (enemyR<span class="operator">.</span>bottomLeft()<span class="operator">.</span>y() <span class="operator">></span> m_myShipGml<span class="operator">-</span><span class="operator">></span>pos()<span class="operator">.</span>y()<span class="operator">+</span>m_myShipGml<span class="operator">-</span><span class="operator">></span>pos()<span class="operator">.</span>y()<span class="operator">*</span><span class="number">0.1</span>) {
enableEngineTimer(<span class="type"><a href="qvariant.html">QVariant</a></span>(<span class="keyword">false</span>));
<span class="comment">// Enemy too deep explosion</span>
<span class="type"><a href="qpointf.html">QPointF</a></span> myP <span class="operator">=</span> m_myShipGml<span class="operator">-</span><span class="operator">></span>pos();
playSound(<span class="number">1</span>);
<span class="type"><a href="qmetaobject.html">QMetaObject</a></span><span class="operator">::</span>invokeMethod(m_levelQml<span class="operator">,</span> <span class="string">"explode"</span><span class="operator">,</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>AutoConnection<span class="operator">,</span>
Q_ARG(<span class="type"><a href="qvariant.html">QVariant</a></span><span class="operator">,</span> myP<span class="operator">.</span>x()<span class="operator">+</span>m_myShipGml<span class="operator">-</span><span class="operator">></span>boundingRect()<span class="operator">.</span>width()<span class="operator">/</span><span class="number">2</span>)<span class="operator">,</span>
Q_ARG(<span class="type"><a href="qvariant.html">QVariant</a></span><span class="operator">,</span> myP<span class="operator">.</span>y()<span class="operator">+</span>m_myShipGml<span class="operator">-</span><span class="operator">></span>boundingRect()<span class="operator">.</span>height()));
m_myShipGml<span class="operator">-</span><span class="operator">></span>setOpacity(<span class="number">0</span>);
gameOver(<span class="keyword">false</span>);
<a href="qtglobal.html#qDebug">qDebug</a>() <span class="operator"><</span><span class="operator"><</span> <span class="string">"Enemy too deep"</span>;
<span class="keyword">return</span>;
}
}
}
<span class="comment">// Check your missiles hit to enemies</span>
foreach (missile<span class="operator">,</span> m_missileList) {
<span class="keyword">if</span> (missile<span class="operator">-</span><span class="operator">></span>opacity()<span class="operator">=</span><span class="operator">=</span><span class="number">1</span>){
<span class="keyword">for</span> (<span class="type">int</span> e<span class="operator">=</span><span class="number">0</span>; e<span class="operator"><</span>m_enemyList<span class="operator">.</span>count(); e<span class="operator">+</span><span class="operator">+</span>) {
enemy <span class="operator">=</span> m_enemyList<span class="operator">[</span>e<span class="operator">]</span>;
<span class="keyword">if</span> (enemy<span class="operator">-</span><span class="operator">></span>opacity()<span class="operator"><</span><span class="number">1</span>) {
<span class="keyword">break</span>;
}
<span class="type"><a href="qpointf.html">QPointF</a></span> missileP <span class="operator">=</span> missile<span class="operator">-</span><span class="operator">></span>pos();
missileP<span class="operator">.</span>setX(missileP<span class="operator">.</span>rx() <span class="operator">+</span> missile<span class="operator">-</span><span class="operator">></span>boundingRect()<span class="operator">.</span>width()<span class="operator">/</span><span class="number">2</span>);
<span class="type"><a href="qpointf.html">QPointF</a></span> enemyP <span class="operator">=</span> enemy<span class="operator">-</span><span class="operator">></span>pos();
<span class="keyword">if</span> (m_enemiesGridGml) {
enemyP <span class="operator">+</span><span class="operator">=</span> m_enemiesGridGml<span class="operator">-</span><span class="operator">></span>pos();
}
<span class="type"><a href="qrectf.html">QRectF</a></span> r(enemyP<span class="operator">,</span><span class="type"><a href="qsize.html">QSize</a></span>(enemy<span class="operator">-</span><span class="operator">></span>boundingRect()<span class="operator">.</span>width()<span class="operator">,</span>enemy<span class="operator">-</span><span class="operator">></span>boundingRect()<span class="operator">.</span>height()));
<span class="keyword">if</span> (r<span class="operator">.</span>contains(missileP)) {
<span class="comment">// Hit !</span>
playSound(<span class="number">0</span>);
<span class="comment">//qDebug() << "QMetaObject::invokeMethod() - explode";</span>
<span class="type"><a href="qmetaobject.html">QMetaObject</a></span><span class="operator">::</span>invokeMethod(m_levelQml<span class="operator">,</span> <span class="string">"explode"</span><span class="operator">,</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>AutoConnection<span class="operator">,</span>
Q_ARG(<span class="type"><a href="qvariant.html">QVariant</a></span><span class="operator">,</span> enemyP<span class="operator">.</span>x()<span class="operator">+</span>enemy<span class="operator">-</span><span class="operator">></span>boundingRect()<span class="operator">.</span>width()<span class="operator">/</span><span class="number">2</span>)<span class="operator">,</span>
Q_ARG(<span class="type"><a href="qvariant.html">QVariant</a></span><span class="operator">,</span> enemyP<span class="operator">.</span>y()<span class="operator">+</span>enemy<span class="operator">-</span><span class="operator">></span>boundingRect()<span class="operator">.</span>height()));
missile<span class="operator">-</span><span class="operator">></span>setOpacity(<span class="number">0</span>);
<span class="comment">//fastVibra();</span>
<span class="keyword">if</span> (m_enemiesGridGml) {
<span class="comment">// Set transparent placeholder for enemy when using GridView</span>
enemy<span class="operator">-</span><span class="operator">></span>setProperty(<span class="string">"source"</span><span class="operator">,</span><span class="type"><a href="qvariant.html">QVariant</a></span>(<span class="string">"file:/"</span><span class="operator">+</span>m_gameLevel<span class="operator">-</span><span class="operator">></span>pathToTransparentEnemyPic()<span class="operator">.</span>toString()));
} <span class="keyword">else</span> {
<span class="comment">// Hide enemy after explode</span>
enemy<span class="operator">-</span><span class="operator">></span>setOpacity(<span class="number">0</span>);
}
<span class="comment">// Remove enemy from list</span>
m_enemyList<span class="operator">.</span>removeAt(e);
e<span class="operator">-</span><span class="operator">-</span>;
}
enemy <span class="operator">=</span> <span class="number">0</span>;
}
}
}
<span class="comment">// Check enemies missiles hit to you</span>
<span class="keyword">if</span> (m_myShipGml<span class="operator">-</span><span class="operator">></span>opacity()<span class="operator">=</span><span class="operator">=</span><span class="number">1</span>) {
foreach (missile<span class="operator">,</span> m_enemyMissileList) {
<span class="keyword">if</span> (missile<span class="operator">-</span><span class="operator">></span>opacity()<span class="operator">=</span><span class="operator">=</span><span class="number">1</span>){
<span class="type"><a href="qpointf.html">QPointF</a></span> missileP <span class="operator">=</span> missile<span class="operator">-</span><span class="operator">></span>pos();
missileP<span class="operator">.</span>setX(missileP<span class="operator">.</span>rx() <span class="operator">+</span> missile<span class="operator">-</span><span class="operator">></span>boundingRect()<span class="operator">.</span>width()<span class="operator">/</span><span class="number">2</span>);
<span class="type"><a href="qpointf.html">QPointF</a></span> myP <span class="operator">=</span> m_myShipGml<span class="operator">-</span><span class="operator">></span>pos();
<span class="type"><a href="qrectf.html">QRectF</a></span> r(myP<span class="operator">,</span><span class="type"><a href="qsize.html">QSize</a></span>(m_myShipGml<span class="operator">-</span><span class="operator">></span>boundingRect()<span class="operator">.</span>width()<span class="operator">,</span>m_myShipGml<span class="operator">-</span><span class="operator">></span>boundingRect()<span class="operator">.</span>height()));
<span class="keyword">if</span> (r<span class="operator">.</span>contains(missileP)) {
<span class="comment">// Hit !</span>
playSound(<span class="number">1</span>);
<span class="comment">//qDebug() << "QMetaObject::invokeMethod() - explode";</span>
<span class="type"><a href="qmetaobject.html">QMetaObject</a></span><span class="operator">::</span>invokeMethod(m_levelQml<span class="operator">,</span> <span class="string">"explode"</span><span class="operator">,</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>AutoConnection<span class="operator">,</span>
Q_ARG(<span class="type"><a href="qvariant.html">QVariant</a></span><span class="operator">,</span> myP<span class="operator">.</span>x()<span class="operator">+</span>m_myShipGml<span class="operator">-</span><span class="operator">></span>boundingRect()<span class="operator">.</span>width()<span class="operator">/</span><span class="number">2</span>)<span class="operator">,</span>
Q_ARG(<span class="type"><a href="qvariant.html">QVariant</a></span><span class="operator">,</span> myP<span class="operator">.</span>y()<span class="operator">+</span>m_myShipGml<span class="operator">-</span><span class="operator">></span>boundingRect()<span class="operator">.</span>height()));
missile<span class="operator">-</span><span class="operator">></span>setOpacity(<span class="number">0</span>);
m_myShipGml<span class="operator">-</span><span class="operator">></span>setOpacity(<span class="number">0</span>);
<span class="keyword">break</span>;
}
}
}
} <span class="keyword">else</span> {
<span class="comment">// You was killed</span>
enableEngineTimer(<span class="type"><a href="qvariant.html">QVariant</a></span>(<span class="keyword">false</span>));
gameOver(<span class="keyword">false</span>);
<a href="qtglobal.html#qDebug">qDebug</a>() <span class="operator"><</span><span class="operator"><</span> <span class="string">"You was killed by enemy missile"</span>;
}
}
<span class="type">void</span> GameEngine<span class="operator">::</span>playSound(<span class="type"><a href="qvariant.html">QVariant</a></span> index)
{
<span class="keyword">if</span> (<span class="operator">!</span>m_silent) {
<span class="type">int</span> i <span class="operator">=</span> index<span class="operator">.</span>toInt();
m_soundEngine<span class="operator">-</span><span class="operator">></span>playSound(i);
}
}
<span class="type">void</span> GameEngine<span class="operator">::</span>playSounds(<span class="type"><a href="qvariant.html">QVariant</a></span> index<span class="operator">,</span> <span class="type"><a href="qvariant.html">QVariant</a></span> count)
{
<span class="keyword">if</span> (<span class="operator">!</span>m_silent) {
m_soundEngine<span class="operator">-</span><span class="operator">></span>playSounds(index<span class="operator">.</span>toInt()<span class="operator">,</span>count<span class="operator">.</span>toInt());
}
}
<span class="type">void</span> GameEngine<span class="operator">::</span>playInternalSound(<span class="type"><a href="qvariant.html">QVariant</a></span> index)
{
<span class="keyword">if</span> (<span class="operator">!</span>m_silent) {
m_soundEngine<span class="operator">-</span><span class="operator">></span>playInternalSound(index<span class="operator">.</span>toInt());
}
}
<span class="type">void</span> GameEngine<span class="operator">::</span>playInternalSounds(<span class="type"><a href="qvariant.html">QVariant</a></span> index<span class="operator">,</span> <span class="type"><a href="qvariant.html">QVariant</a></span> count)
{
<span class="keyword">if</span> (<span class="operator">!</span>m_silent) {
m_soundEngine<span class="operator">-</span><span class="operator">></span>playInternalSounds(index<span class="operator">.</span>toInt()<span class="operator">,</span>count<span class="operator">.</span>toInt());
}
}
<span class="type">void</span> GameEngine<span class="operator">::</span>gameOver(<span class="type">bool</span> youWin)
{
<a href="qtglobal.html#qDebug">qDebug</a>() <span class="operator"><</span><span class="operator"><</span> <span class="string">"GameEngine::gameOver() "</span><span class="operator"><</span><span class="operator"><</span> youWin;
<span class="type"><a href="qmetaobject.html">QMetaObject</a></span><span class="operator">::</span>invokeMethod(m_GameGml<span class="operator">,</span> <span class="string">"gameOver"</span><span class="operator">,</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>AutoConnection<span class="operator">,</span>Q_ARG(<span class="type"><a href="qvariant.html">QVariant</a></span><span class="operator">,</span> youWin));
}
<span class="type">void</span> GameEngine<span class="operator">::</span>pauseGame() {
<span class="type"><a href="qmetaobject.html">QMetaObject</a></span><span class="operator">::</span>invokeMethod(m_GameGml<span class="operator">,</span> <span class="string">"pauseGame"</span><span class="operator">,</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>AutoConnection);
}
<span class="type"><a href="qvariant.html">QVariant</a></span> GameEngine<span class="operator">::</span>isSymbian()
{
<span class="preprocessor">#ifdef Q_OS_SYMBIAN</span>
<span class="keyword">return</span> <span class="type"><a href="qvariant.html">QVariant</a></span>(<span class="keyword">true</span>);
<span class="preprocessor">#else</span>
<span class="keyword">return</span> <span class="type"><a href="qvariant.html">QVariant</a></span>(<span class="keyword">false</span>);
<span class="preprocessor">#endif</span>
}
<span class="type"><a href="qvariant.html">QVariant</a></span> GameEngine<span class="operator">::</span>isMaemo()
{
<span class="preprocessor">#ifdef Q_WS_MAEMO_5</span>
<span class="keyword">return</span> <span class="type"><a href="qvariant.html">QVariant</a></span>(<span class="keyword">true</span>);
<span class="preprocessor">#else</span>
<span class="keyword">return</span> <span class="type"><a href="qvariant.html">QVariant</a></span>(<span class="keyword">false</span>);
<span class="preprocessor">#endif</span>
}
<span class="type"><a href="qvariant.html">QVariant</a></span> GameEngine<span class="operator">::</span>isWindows()
{
<span class="preprocessor">#ifdef Q_OS_WIN</span>
<span class="keyword">return</span> <span class="type"><a href="qvariant.html">QVariant</a></span>(<span class="keyword">true</span>);
<span class="preprocessor">#else</span>
<span class="keyword">return</span> <span class="type"><a href="qvariant.html">QVariant</a></span>(<span class="keyword">false</span>);
<span class="preprocessor">#endif</span>
}
<span class="type">void</span> GameEngine<span class="operator">::</span>vibra()
{
<span class="preprocessor">#ifdef Q_OS_SYMBIAN</span>
<span class="keyword">if</span> (iVibrate){
TRAPD(err<span class="operator">,</span> iVibrate<span class="operator">-</span><span class="operator">></span>StartVibraL(<span class="number">4000</span><span class="operator">,</span>KHWRMVibraMaxIntensity));
}
<span class="preprocessor">#endif</span>
}
<span class="type">void</span> GameEngine<span class="operator">::</span>fastVibra()
{
<span class="preprocessor">#ifdef Q_OS_SYMBIAN</span>
<span class="keyword">if</span> (iVibrate){
TRAPD(err<span class="operator">,</span> iVibrate<span class="operator">-</span><span class="operator">></span>StartVibraL(<span class="number">100</span><span class="operator">,</span>KHWRMVibraMaxIntensity));
}
<span class="preprocessor">#endif</span>
}
<span class="type">void</span> GameEngine<span class="operator">::</span>openLink(<span class="type"><a href="qvariant.html">QVariant</a></span> link)
{
<span class="type"><a href="qdesktopservices.html">QDesktopServices</a></span><span class="operator">::</span>openUrl(<span class="type"><a href="qurl.html">QUrl</a></span>(link<span class="operator">.</span>toString()));
}</pre>
</div>
<!-- @@@demos/mobile/quickhit/gameengine.cpp -->
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