view.h

Trolltech公司发布的图形界面操作系统。可在qt-embedded-2.3.10平台上编译为嵌入式图形界面操作系统。

/**********************************************************************
** Copyright (C) 2000-2005 Trolltech AS.  All rights reserved.
**
** This file is part of the Qtopia Environment.
** 
** This program is free software; you can redistribute it and/or modify it
** under the terms of the GNU General Public License as published by the
** Free Software Foundation; either version 2 of the License, or (at your
** option) any later version.
** 
** A copy of the GNU GPL license version 2 is included in this package as 
** LICENSE.GPL.
**
** This program is distributed in the hope that it will be useful, but
** WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 
** See the GNU General Public License for more details.
**
** In addition, as a special exception Trolltech gives permission to link
** the code of this program with Qtopia applications copyrighted, developed
** and distributed by Trolltech under the terms of the Qtopia Personal Use
** License Agreement. You must comply with the GNU General Public License
** in all respects for all of the code used other than the applications
** licensed under the Qtopia Personal Use License Agreement. If you modify
** this file, you may extend this exception to your version of the file,
** but you are not obligated to do so. If you do not wish to do so, delete
** this exception statement from your version.
** 
** See http://www.trolltech.com/gpl/ for GPL licensing information.
**
** Contact [e-mail] if any conditions of this licensing are
** not clear to you.
**
**********************************************************************/
/*
 * KAsteroids - Copyright (c) Martin R. Jones 1997
 *
 * Part of the KDE project
 */

#ifndef __AST_VIEW_H__
#define __AST_VIEW_H__

#include <qwidget.h>
#include <qlist.h>
#include <qintdict.h>
#include <qtimer.h>
#include <qcanvas.h>
#include "sprites.h"

#define QPtrList QList
#define QPtrListIterator QListIterator

#define MAX_POWER_LEVEL          1000

class KAsteroidsView : public QWidget
{
    Q_OBJECT
public:
    KAsteroidsView( QWidget *parent = 0, const char *name = 0 );
    virtual ~KAsteroidsView();

    int refreshRate;

    void reset();
    void setRockSpeed( double rs ) { rockSpeed = rs; }
    void addRocks( int num );
    void newGame();
    void endGame();
    bool gameOver() const { return gameover; }
    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 missileFired();
    void shipKilled();
    void rockHit( int size );
    void rocksRemoved();
    void updateVitals();

private slots:
    void hideShield();

protected:
    void readSprites();
    void wrapSprite( QCanvasItem * );
    void rockHit( QCanvasItem * );
    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 * );

private:
    QCanvas field;
    QCanvasView view;
    QIntDict<QCanvasPixmapArray> animation;
    QPtrList<QCanvasSprite> rocks;
    QPtrList<KMissile> missiles;
    QPtrList<KBit> bits;
    QPtrList<KExhaust> exhaust;
    QPtrList<KPowerup> powerups;
    KShield *shield;
    QCanvasSprite *ship;
    QCanvasText *textSprite;

    bool rotateL;
    bool rotateR;
    bool thrustShip;
    bool shootShip;
    bool teleportShip;
    bool brakeShip;
    bool pauseShip;
    bool shieldOn;

    bool vitalsChanged;
    bool gameover;

    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;
};

#endif