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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the examples 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."
**
** $QT_END_LICENSE$
**
****************************************************************************/
/*
* KAsteroids - Copyright (c) Martin R. Jones 1997
*
* Part of the KDE project
*/
#ifndef __AST_VIEW_H__
#define __AST_VIEW_H__
#include <QWidget>
#include <QList>
#include <QMultiHash>
#include <QTimer>
#include <QGraphicsScene>
#include <QGraphicsView>
#include <QTimerEvent>
#include <QShowEvent>
#include <QResizeEvent>
#include "sprites.h"
#define MAX_POWER_LEVEL 1000
class KAsteroidsView : public QWidget
{
Q_OBJECT
public:
KAsteroidsView( QWidget *parent = 0);
virtual ~KAsteroidsView();
int refreshRate;
void reset();
void setRockSpeed( double rs ) { rockSpeed = rs; }
void addRocks( int num );
void newGame();
void endGame();
void newShip();
void rotateLeft( bool r ) { rotateL = r; rotateSlow = 5; }
void rotateRight( bool r ) { rotateR = r; rotateSlow = 5; }
void thrust( bool t ) { thrustShip = t && shipPower > 0; }
void shoot( bool s ) { shootShip = s; shootDelay = 0; }
void setShield( bool s );
void teleport( bool te) { teleportShip = te && mTeleportCount; }
void brake( bool b );
void pause( bool p);
void showText( const QString &text, const QColor &color, bool scroll=TRUE );
void hideText();
int shots() const { return shotsFired; }
int hits() const { return shotsHit; }
int power() const { return shipPower; }
int teleportCount() const { return mTeleportCount; }
int brakeCount() const { return mBrakeCount; }
int shieldCount() const { return mShieldCount; }
int shootCount() const { return mShootCount; }
signals:
void shipKilled();
void rockHit( int size );
void rocksRemoved();
void updateVitals();
private slots:
void hideShield();
protected:
bool readSprites();
void wrapSprite( QGraphicsItem * );
void rockHit( AnimatedPixmapItem * );
void reducePower( int val );
void addExhaust( double x, double y, double dx, double dy, int count );
void processMissiles();
void processShip();
void processPowerups();
void processShield();
double randDouble();
int randInt( int range );
virtual void resizeEvent( QResizeEvent *event );
virtual void timerEvent( QTimerEvent * );
void showEvent( QShowEvent * );
private:
QGraphicsScene field;
QGraphicsView view;
QMap<int, QList<QPixmap> > animation;
QList<AnimatedPixmapItem*> rocks;
QList<KMissile*> missiles;
QList<KBit*> bits;
QList<KExhaust*> exhaust;
QList<KPowerup*> powerups;
KShield *shield;
AnimatedPixmapItem *ship;
QGraphicsTextItem *textSprite;
bool rotateL;
bool rotateR;
bool thrustShip;
bool shootShip;
bool teleportShip;
bool brakeShip;
bool pauseShip;
bool shieldOn;
bool vitalsChanged;
int shipAngle;
int rotateSlow;
int rotateRate;
int shipPower;
int shotsFired;
int shotsHit;
int shootDelay;
int mBrakeCount;
int mShieldCount;
int mTeleportCount;
int mShootCount;
double shipDx;
double shipDy;
int textDy;
int mFrameNum;
bool mPaused;
int mTimerId;
double rockSpeed;
double powerupSpeed;
bool can_destroy_powerups;
QTimer *shieldTimer;
bool initialized;
};
#endif
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