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-rw-r--r--noncore/games/qasteroids/view.cpp12
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
@@ -1,592 +1,592 @@
/**********************************************************************
** 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 };
double dx = hit->xVelocity();
double dy = hit->yVelocity();
double maxRockSpeed = MAX_ROCK_SPEED * rockSpeed;
if ( dx > maxRockSpeed )
dx = maxRockSpeed;
else if ( dx < -maxRockSpeed )
dx = -maxRockSpeed;
if ( dy > maxRockSpeed )
dy = maxRockSpeed;
else if ( dy < -maxRockSpeed )
dy = -maxRockSpeed;
QCanvasSprite *nrock;
for ( int i = 0; i < 4; i++ )
{
double r = rockSpeed/2 - randDouble()*rockSpeed;
if ( hit->rtti() == ID_ROCK_LARGE )
{
nrock = new KRock( animation[ID_ROCK_MEDIUM], &field,
ID_ROCK_MEDIUM, randInt(2), randInt(2) ? -1 : 1 );
emit rockHit( 0 );
}
else
{
nrock = new KRock( animation[ID_ROCK_SMALL], &field,
ID_ROCK_SMALL, randInt(2), randInt(2) ? -1 : 1 );
emit rockHit( 1 );
}
nrock->move( hit->x(), hit->y(), 0 );
nrock->setVelocity( dx+addx[i]*rockSpeed+r, dy+addy[i]*rockSpeed+r );
nrock->setFrame( randInt( nrock->frameCount() ) );
nrock->show( );
rocks.append( nrock );
}
}
else if ( hit->rtti() == ID_ROCK_SMALL )
emit rockHit( 2 );
rocks.removeRef( (QCanvasSprite *)hit );
if ( rocks.count() == 0 )
emit rocksRemoved();
}
void KAsteroidsView::reducePower( int val )
{
shipPower -= val;
if ( shipPower <= 0 )
{
shipPower = 0;
thrustShip = FALSE;
if ( shieldOn )
{
shieldOn = FALSE;
shield->hide();
}
}
vitalsChanged = TRUE;
}
void KAsteroidsView::addExhaust( double x, double y, double dx,
double dy, int count )
{
for ( int i = 0; i < count; i++ )
{
KExhaust *e = new KExhaust( animation[ID_EXHAUST], &field );
e->move( x + 2 - randDouble()*4, y + 2 - randDouble()*4 );
e->setVelocity( dx, dy );
e->show( );
exhaust.append( e );
}
}
void KAsteroidsView::processMissiles()
{
KMissile *missile;
// if a missile has hit a rock, remove missile and break rock into smaller
// rocks or remove completely.
QPtrListIterator<KMissile> it(missiles);
for ( ; it.current(); ++it )
{
missile = it.current();
missile->growOlder();
if ( missile->expired() )
{
missiles.removeRef( missile );
continue;
}
wrapSprite( missile );
QCanvasItemList hits = missile->collisions( TRUE );
QCanvasItemList::Iterator hit;
for ( hit = hits.begin(); hit != hits.end(); ++hit )
{
if ( (*hit)->rtti() >= ID_ROCK_LARGE &&
(*hit)->rtti() <= ID_ROCK_SMALL )
{
shotsHit++;
rockHit( *hit );
missiles.removeRef( missile );
break;
}
}
}
}
// - - -
void KAsteroidsView::processShip()
{
if ( ship->visible() )
{
if ( shieldOn )
{
shield->show();
reducePower( SHIELD_ON_COST );
static int sf = 0;
sf++;
if ( sf % 2 )
shield->setFrame( (shield->frame()+1) % shield->frameCount() );
shield->move( ship->x() - 5, ship->y() - 5 );