TT fixed a bug in QCanvasPixmapArray in 2.3.4 and qasteroids relied on the

buggy behaviour

1 files changed, 6 insertions, 6 deletions

diff --git a/noncore/games/qasteroids/view.cpp b/noncore/games/qasteroids/view.cpp
index ef08343..448a54a 100644
--- a/noncore/games/qasteroids/view.cpp
+++ b/noncore/games/qasteroids/view.cpp
@@ -1,464 +1,464 @@
 /**********************************************************************
 ** Copyright (C) 2000 Trolltech AS.  All rights reserved.
 **
 ** This file is part of Qtopia Environment.
 **
 ** This file may be distributed and/or modified under the terms of the
 ** GNU General Public License version 2 as published by the Free Software
 ** Foundation and appearing in the file LICENSE.GPL included in the
 ** packaging of this file.
 **
 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 **
 ** See http://www.trolltech.com/gpl/ for GPL licensing information.
 **
 ** Contact info@trolltech.com if any conditions of this licensing are
 ** not clear to you.
 **
 **********************************************************************//*
  * KAsteroids - Copyright (c) Martin R. Jones 1997
  *
  * Part of the KDE project
  */
 
 #include "view.h"
 
 #include <qpe/resource.h>
 
 #include <qapplication.h>
 #include <qkeycode.h>
 #include <qaccel.h>
 
 #include <stdlib.h>
 #include <math.h>
 
 #define IMG_BACKGROUND "qasteroids/bg.png"
 
 #define REFRESH_DELAY           33
 #define SHIP_SPEED              0.3
 #define MISSILE_SPEED           10.0
 #define SHIP_STEPS              64
 #define ROTATE_RATE             2
 #define SHIELD_ON_COST          1
 #define SHIELD_HIT_COST         30
 #define BRAKE_ON_COST           4
 
 #define MAX_ROCK_SPEED          2.5
 #define MAX_POWERUP_SPEED       1.5
 #define MAX_SHIP_SPEED		8
 #define MAX_BRAKES              5
 #define MAX_SHIELDS             5
 #define MAX_FIREPOWER		5
 
 #define TEXT_SPEED              4
 
 #define PI_X_2                  6.283185307
 #ifndef M_PI
 #define M_PI 3.141592654
 #endif
 
 struct
 {
     int id;
     const char *path;
     int frames;
 }
 kas_animations [] =
 {
 //    { ID_ROCK_LARGE,       "rock1/rock1\%1.png",       32 },
     { ID_ROCK_MEDIUM,      "rock2/rock2\%1.png",       32 },
     { ID_ROCK_SMALL,       "rock3/rock3\%1.png",       32 },
     { ID_SHIP,             "ship/ship\%1.png",         32 },
-    { ID_MISSILE,          "missile/missile.png",      1 },
+    { ID_MISSILE,          "missile/missile.png",      0 },
     { ID_BIT,              "bits/bits\%1.png",         16 },
-    { ID_EXHAUST,          "exhaust/exhaust.png",      1 },
-    { ID_ENERGY_POWERUP,   "powerups/energy.png",      1 },
+    { ID_EXHAUST,          "exhaust/exhaust.png",      0 },
+    { ID_ENERGY_POWERUP,   "powerups/energy.png",      0 },
 //    { ID_TELEPORT_POWERUP, "powerups/teleport%1.png", 12 },
-    { ID_BRAKE_POWERUP,    "powerups/brake.png",       1 },
-    { ID_SHIELD_POWERUP,   "powerups/shield.png",      1 },
-    { ID_SHOOT_POWERUP,    "powerups/shoot.png",       1 },
+    { ID_BRAKE_POWERUP,    "powerups/brake.png",       0 },
+    { ID_SHIELD_POWERUP,   "powerups/shield.png",      0 },
+    { ID_SHOOT_POWERUP,    "powerups/shoot.png",       0 },
     { ID_SHIELD,           "shield/shield\%1.png",      6 },
     { 0,                   0,                          0 }
 };
 
 
 
 KAsteroidsView::KAsteroidsView( QWidget *parent, const char *name )
     : QWidget( parent, name ),
       field(200, 200),
       view(&field,this)
 {
     view.setVScrollBarMode( QScrollView::AlwaysOff );
     view.setHScrollBarMode( QScrollView::AlwaysOff );
     rocks.setAutoDelete( TRUE );
     missiles.setAutoDelete( TRUE );
     bits.setAutoDelete( TRUE );
     powerups.setAutoDelete( TRUE );
     exhaust.setAutoDelete( TRUE );
 
     QPixmap pm( Resource::loadPixmap(IMG_BACKGROUND) );
     field.setBackgroundPixmap( pm );
 
     textSprite = new QCanvasText( &field );
     QFont font( "helvetica", 14 );
     textSprite->setFont( font );
 
     shield = 0;
     shieldOn = FALSE;
     refreshRate = REFRESH_DELAY;
 
     readSprites();
 
     shieldTimer = new QTimer( this );
     connect( shieldTimer, SIGNAL(timeout()), this, SLOT(hideShield()) );
     mTimerId = -1;
 
     shipPower = MAX_POWER_LEVEL;
     vitalsChanged = TRUE;
     can_destroy_powerups = FALSE;
 
     mPaused = TRUE;
 }
 
 // - - -
 
 KAsteroidsView::~KAsteroidsView()
 {
 }
 
 // - - -
 
 void KAsteroidsView::reset()
 {
     rocks.clear();
     missiles.clear();
     bits.clear();
     powerups.clear();
     exhaust.clear();
 
     shotsFired = 0;
     shotsHit = 0;
 
     rockSpeed = 1.0;
     powerupSpeed = 1.0;
     mFrameNum = 0;
     mPaused = FALSE;
 
     ship->hide();
     shield->hide();
 /*
     if ( mTimerId >= 0 ) {
 	killTimer( mTimerId );
 	mTimerId = -1;
     }
 */
 }
 
 // - --
 
 void KAsteroidsView::newGame()
 {
     if ( shieldOn )
     {
       shield->hide();
       shieldOn = FALSE;
     }
     reset();
     if ( mTimerId < 0 )
 	mTimerId = startTimer( REFRESH_DELAY );
     emit updateVitals();
 }
 
 // - - -
 
 void KAsteroidsView::endGame()
 {
 }
 
 void KAsteroidsView::pause( bool p )
 {
     if ( !mPaused && p ) {
 	if ( mTimerId >= 0 ) {
 	    killTimer( mTimerId );
 	    mTimerId = -1;
 	}
     } else if ( mPaused && !p )
 	mTimerId = startTimer( REFRESH_DELAY );
     mPaused = p;
 }
 
 // - - -
 
 void KAsteroidsView::newShip()
 {
     ship->move( field.width()/2, field.height()/2, 0 );
     shield->move( field.width()/2, field.height()/2, 0 );
     ship->setVelocity( 0.0, 0.0 );
     shipDx = 0;
     shipDy = 0;
     shipAngle = 0;
     rotateL = FALSE;
     rotateR = FALSE;
     thrustShip = FALSE;
     shootShip = FALSE;
     brakeShip = FALSE;
     teleportShip = FALSE;
     shieldOn = TRUE;
     shootDelay = 0;
     shipPower = MAX_POWER_LEVEL;
     rotateRate = ROTATE_RATE;
     rotateSlow = 0;
 
     mBrakeCount = 0;
     mTeleportCount = 0;
     mShootCount = 0;
 
     ship->show();
     shield->show();
     mShieldCount = 1;   // just in case the ship appears on a rock.
     shieldTimer->start( 1000, TRUE );
 }
 
 void KAsteroidsView::setShield( bool s )
 {
     if ( shieldTimer->isActive() && !s ) {
 	shieldTimer->stop();
 	hideShield();
     } else {
 	shieldOn = s && mShieldCount;
     }
 }
 
 void KAsteroidsView::brake( bool b )
 {
     if ( mBrakeCount )
     {
 	if ( brakeShip && !b )
 	{
 	    rotateL = FALSE;
 	    rotateR = FALSE;
 	    thrustShip = FALSE;
 	    rotateRate = ROTATE_RATE;
 	}
 
 	brakeShip = b;
     }
 }
 
 // - - -
 
 void KAsteroidsView::readSprites()
 {
     QString sprites_prefix = Resource::findPixmap( IMG_BACKGROUND );
     int sep = sprites_prefix.findRev( "/" );
 
     sprites_prefix.truncate( sep );
 
     int i = 0;
     while ( kas_animations[i].id )
     {
 	animation.insert( kas_animations[i].id,
 	    new QCanvasPixmapArray( sprites_prefix + "/" + kas_animations[i].path,
 				    kas_animations[i].frames ) );
 	i++;
     }
 
     ship = new QCanvasSprite( animation[ID_SHIP], &field );
     ship->hide();
 
     shield = new KShield( animation[ID_SHIELD], &field );
     shield->hide();
 }
 
 // - - -
 
 void KAsteroidsView::addRocks( int num )
 {
     for ( int i = 0; i < num; i++ )
     {
 	KRock *rock = new KRock( animation[ID_ROCK_MEDIUM], &field,
 			     ID_ROCK_MEDIUM, randInt(2), randInt(2) ? -1 : 1 );
 	double dx = (2.0 - randDouble()*4.0) * rockSpeed;
 	double dy = (2.0 - randDouble()*4.0) * rockSpeed;
 	rock->setVelocity( dx, dy );
 	rock->setFrame( randInt( rock->frameCount() ) );
 	if ( dx > 0 )
 	{
 	    if ( dy > 0 )
 		rock->move( 5, 5, 0 );
 	    else
 		rock->move( 5, field.height() - 25, 0 );
 	}
 	else
 	{
 	    if ( dy > 0 )
 		rock->move( field.width() - 25, 5, 0 );
 	    else
 		rock->move( field.width() - 25, field.height() - 25, 0 );
 	}
 	rock->show( );
 	rocks.append( rock );
     }
 }
 
 // - - -
 
 void KAsteroidsView::showText( const QString &text, const QColor &color, bool scroll )
 {
     textSprite->setTextFlags( AlignLeft | AlignVCenter );
     textSprite->setText( text );
     textSprite->setColor( color );
 
     if ( scroll ) {
 	textSprite->move( (field.width()-textSprite->boundingRect().width()) / 2,
 			    -textSprite->boundingRect().height() );
 	textDy = TEXT_SPEED;
     } else {
 	textSprite->move( (field.width()-textSprite->boundingRect().width()) / 2,
 			  (field.height()-textSprite->boundingRect().height()) / 2 );
 	textDy = 0;
     }
     textSprite->show();
 }
 
 // - - -
 
 void KAsteroidsView::hideText()
 {
     textDy = -TEXT_SPEED;
 }
 
 // - - -
 
 void KAsteroidsView::resizeEvent(QResizeEvent* event)
 {
     QWidget::resizeEvent(event);
     field.resize(width()-4, height()-4);
     view.resize(width(),height());
 }
 
 // - - -
 
 void KAsteroidsView::timerEvent( QTimerEvent * )
 {
     field.advance();
 
     QCanvasSprite *rock;
 
     // move rocks forward
     for ( rock = rocks.first(); rock; rock = rocks.next() ) {
 	((KRock *)rock)->nextFrame();
 	wrapSprite( rock );
     }
 
     wrapSprite( ship );
 
     // check for missile collision with rocks.
     processMissiles();
 
     // these are generated when a ship explodes
     for ( KBit *bit = bits.first(); bit; bit = bits.next() )
     {
 	if ( bit->expired() )
 	{
 	    bits.removeRef( bit );
 	}
 	else
 	{
 	    bit->growOlder();
 	    bit->setFrame( ( bit->frame()+1 ) % bit->frameCount() );
 	}
     }
 
     for ( KExhaust *e = exhaust.first(); e; e = exhaust.next() )
 	exhaust.removeRef( e );
 
     // move / rotate ship.
     // check for collision with a rock.
     processShip();
 
     // move powerups and check for collision with player and missiles
     processPowerups();
 
     if ( textSprite->visible() )
     {
 	if ( textDy < 0 &&
 	     textSprite->boundingRect().y() <= -textSprite->boundingRect().height() ) {
 	    textSprite->hide();
 	} else {
 	    textSprite->moveBy( 0, textDy );
 	}
 	if ( textSprite->boundingRect().y() > (field.height()-textSprite->boundingRect().height())/2 )
 	    textDy = 0;
     }
 
     if ( vitalsChanged && !(mFrameNum % 10) ) {
 	emit updateVitals();
 	vitalsChanged = FALSE;
     }
 
     mFrameNum++;
 }
 
 void KAsteroidsView::wrapSprite( QCanvasItem *s )
 {
     int x = int(s->x() + s->boundingRect().width() / 2);
     int y = int(s->y() + s->boundingRect().height() / 2);
 
     if ( x > field.width() )
 	s->move( s->x() - field.width(), s->y() );
     else if ( x < 0 )
 	s->move( field.width() + s->x(), s->y() );
 
     if ( y > field.height() )
 	s->move( s->x(), s->y() - field.height() );
     else if ( y < 0 )
 	s->move( s->x(), field.height() + s->y() );
 }
 
 // - - -
 
 void KAsteroidsView::rockHit( QCanvasItem *hit )
 {
     KPowerup *nPup = 0;
     int rnd = static_cast<int>(randDouble()*30.0) % 30;
     switch( rnd )
     {
       case 4:
       case 5:
 	nPup = new KPowerup( animation[ID_ENERGY_POWERUP], &field,
 			     ID_ENERGY_POWERUP );
 	break;
       case 10:
 //        nPup = new KPowerup( animation[ID_TELEPORT_POWERUP], &field,
 //                             ID_TELEPORT_POWERUP );
 	break;
       case 15:
 	nPup = new KPowerup( animation[ID_BRAKE_POWERUP], &field,
 				  ID_BRAKE_POWERUP );
 	break;
       case 20:
 	nPup = new KPowerup( animation[ID_SHIELD_POWERUP], &field,
 				  ID_SHIELD_POWERUP );
 	break;
       case 24:
       case 25:
 	nPup = new KPowerup( animation[ID_SHOOT_POWERUP], &field,
 				  ID_SHOOT_POWERUP );
 	break;
     }
     if ( nPup )
     {
 	double r = 0.5 - randDouble();
 	nPup->move( hit->x(), hit->y(), 0 );
 	nPup->setVelocity( hit->xVelocity() + r, hit->yVelocity() + r );
 	nPup->show( );
 	powerups.append( nPup );
     }
 
     if ( hit->rtti() == ID_ROCK_LARGE || hit->rtti() == ID_ROCK_MEDIUM )
     {
 	// break into smaller rocks
 	double addx[4] = { 1.0, 1.0, -1.0, -1.0 };
 	double addy[4] = { -1.0, 1.0, -1.0, 1.0 };