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# gameengine.h Example File

demos/mobile/quickhit/gameengine.h

     /****************************************************************************
     **
     ** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
     ** Contact: http://www.qt-project.org/legal
     **
     ** 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 Digia Plc and its Subsidiary(-ies) 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."
     **
     ** $QT_END_LICENSE$
     **
     ****************************************************************************/

     #ifndef GAMEENGINE_H
     #define GAMEENGINE_H

     #include <QObject>
     #include <QDeclarativeItem>
     #include <QMutex>
     #include <QPluginLoader>
     #include <QList>

     #ifdef Q_OS_SYMBIAN
     #include <hwrmvibra.h>
     #endif

     // QtMobility
     #if defined Q_OS_SYMBIAN || defined Q_WS_MAEMO_5
     #include <QSystemDeviceInfo>
     QTM_USE_NAMESPACE
     #endif

     class CInvSounds;
     class LevelPluginInterface;
     class GameEngine : public QObject
     {
         Q_OBJECT

     public:
         GameEngine(QObject* parent);
         ~GameEngine();
         void timerEvent(QTimerEvent *);
         void setGameLevel(LevelPluginInterface* level);
         void setPluginList(QList<QPluginLoader*> plugins);
         void pauseGame();

     public:
         Q_INVOKABLE void enableEngineTimer(QVariant enable);
         Q_INVOKABLE QVariant randInt(QVariant low, QVariant high);
         Q_INVOKABLE void enableSounds(QVariant enable);
         Q_INVOKABLE void playSound(QVariant index);
         Q_INVOKABLE void playSounds(QVariant index, QVariant count);
         Q_INVOKABLE void playInternalSound(QVariant index);
         Q_INVOKABLE void playInternalSounds(QVariant index, QVariant count);
         Q_INVOKABLE QVariant pluginList();
         Q_INVOKABLE void findQmlObjects();
         Q_INVOKABLE void clearQmlObjects();
         Q_INVOKABLE void pauseLevel(QVariant doPause);
         Q_INVOKABLE void gameStartSound();

         Q_INVOKABLE QVariant isSymbian();
         Q_INVOKABLE QVariant isMaemo();
         Q_INVOKABLE QVariant isWindows();

         Q_INVOKABLE void vibra();
         Q_INVOKABLE void fastVibra();

         Q_INVOKABLE void openLink(QVariant link);

     private slots:
     #if defined Q_OS_SYMBIAN || defined Q_WS_MAEMO_5
         void currentProfileChanged (QSystemDeviceInfo::Profile);
     #endif

     public:
         void setGameQml(QObject* o);

     private:
         void findMissiles(QObject* rootObject);
         void findEnemies(QObject* rootObject);
         void setLevelQml(QObject* o) {m_levelQml = o;}
         void setEnemiesGridQml(QObject* o);
         void setMyShipQml(QObject* o);
         void gameOver(bool youWin);
         void selectVisibleEnemy(int& start, int& end);

     private:
         void doHitTest();
         void doEnemyMissile();

     private:
         bool                        m_enableEnemyMissiles;
         QMutex                      m_enemyListMutex;
         QList<QDeclarativeItem*>    m_enemyList;
         QList<QDeclarativeItem*>    m_missileList;
         QList<QDeclarativeItem*>    m_enemyMissileList;
         QObject*                    m_levelQml;
         QDeclarativeItem*           m_enemiesGridGml;
         QDeclarativeItem*           m_myShipGml;
         QDeclarativeItem*           m_GameGml;

         LevelPluginInterface*       m_gameLevel;
         CInvSounds*                 m_soundEngine;
         QList<QPluginLoader*>       m_pluginList;

         int                         m_timerId;
         int                         m_doEnemyMissile;

     #if defined Q_OS_SYMBIAN || defined Q_WS_MAEMO_5
         QSystemDeviceInfo*          m_systemDeviceInfo;
     #endif
         bool                        m_silent;

     #ifdef Q_OS_SYMBIAN
         CHWRMVibra* iVibrate;
     #endif

     };

     #endif // GAMEENGINE_H