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qt3/examples/demo/qasteroids/view.h

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3.1 KiB

/*
* KAsteroids - Copyright (c) Martin R. Jones 1997
*
* Part of the KDE project
*/
#ifndef __AST_VIEW_H__
#define __AST_VIEW_H__
#include <qwidget.h>
#include <qptrlist.h>
#include <qintdict.h>
#include <qtimer.h>
#include <qcanvas.h>
#include "sprites.h"
#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();
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( 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 * );
void showEvent( QShowEvent * );
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;
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