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/*

 * KAsteroids - Copyright (c) Martin R. Jones 1997

 *

 * Part of the KDE project

 */

//	--- toplevel.cpp ---

#include <q3accel.h>

#include <qlabel.h>

#include <qlayout.h>

#include <qlcdnumber.h>

#include <qpushbutton.h>

#include <qapplication.h>

//Added by qt3to4:

#include <Q3HBoxLayout>

#include <QShowEvent>

#include <Q3Frame>

#include <QPixmap>

#include <QHideEvent>

#include <QKeyEvent>

#include <Q3VBoxLayout>

#include "toplevel.h"

#include "ledmeter.h"

#define SB_SCORE	1

#define SB_LEVEL	2

#define SB_SHIPS	3

struct SLevel

{

    int    nrocks;

    double rockSpeed;

};

#define MAX_LEVELS	16

SLevel levels[MAX_LEVELS] =

{

    { 1, 0.4 },

    { 1, 0.6 },

    { 2, 0.5 },

    { 2, 0.7 },

    { 2, 0.8 },

    { 3, 0.6 },

    { 3, 0.7 },

    { 3, 0.8 },

    { 4, 0.6 },

    { 4, 0.7 },

    { 4, 0.8 },

    { 5, 0.7 },

    { 5, 0.8 },

    { 5, 0.9 },

    { 5, 1.0 }

};

const char *soundEvents[] =

{

    "ShipDestroyed",

    "RockDestroyed",

    0

};

const char *soundDefaults[] =

{

    "Explosion.wav",

    "ploop.wav",

    0

};

KAstTopLevel::KAstTopLevel( QWidget *parent, const char *name )

    : Q3MainWindow( parent, name, 0 )

{

    QWidget *border = new QWidget( this );

    border->setBackgroundColor( Qt::black );

    setCentralWidget( border );

    Q3VBoxLayout *borderLayout = new Q3VBoxLayout( border );

    borderLayout->addStretch( 1 );

    QWidget *mainWin = new QWidget( border );

    mainWin->setFixedSize(640, 480);

    borderLayout->addWidget( mainWin, 0, Qt::AlignHCenter );

    borderLayout->addStretch( 1 );

    view = new KAsteroidsView( mainWin );

    view->setFocusPolicy( Qt::StrongFocus );

    connect( view, SIGNAL(shipKilled()), SLOT(slotShipKilled()) );

    connect( view, SIGNAL(rockHit(int)), SLOT(slotRockHit(int)) );

    connect( view, SIGNAL(rocksRemoved()), SLOT(slotRocksRemoved()) );

    connect( view, SIGNAL(updateVitals()), SLOT(slotUpdateVitals()) );

    Q3VBoxLayout *vb = new Q3VBoxLayout( mainWin );

    Q3HBoxLayout *hb = new Q3HBoxLayout;

    Q3HBoxLayout *hbd = new Q3HBoxLayout;

    vb->addLayout( hb );

    QFont labelFont( "helvetica", 24 );

    QColorGroup grp( Qt::darkGreen, Qt::black, QColor( 128, 128, 128 ),

	    QColor( 64, 64, 64 ), Qt::black, Qt::darkGreen, Qt::black );

    QPalette pal( grp, grp, grp );

    mainWin->setPalette( pal );

    hb->addSpacing( 10 );

    QLabel *label;

    label = new QLabel( tr("Score"), mainWin );

    label->setFont( labelFont );

    label->setPalette( pal );

    label->setFixedWidth( label->sizeHint().width() );

    hb->addWidget( label );

    scoreLCD = new QLCDNumber( 6, mainWin );

    scoreLCD->setFrameStyle( Q3Frame::NoFrame );

    scoreLCD->setSegmentStyle( QLCDNumber::Flat );

    scoreLCD->setFixedWidth( 150 );

    scoreLCD->setPalette( pal );

    hb->addWidget( scoreLCD );

    hb->addStretch( 10 );

    label = new QLabel( tr("Level"), mainWin );

    label->setFont( labelFont );

    label->setPalette( pal );

    label->setFixedWidth( label->sizeHint().width() );

    hb->addWidget( label );

    levelLCD = new QLCDNumber( 2, mainWin );

    levelLCD->setFrameStyle( Q3Frame::NoFrame );

    levelLCD->setSegmentStyle( QLCDNumber::Flat );

    levelLCD->setFixedWidth( 70 );

    levelLCD->setPalette( pal );

    hb->addWidget( levelLCD );

    hb->addStretch( 10 );

    label = new QLabel( tr("Ships"), mainWin );

    label->setFont( labelFont );

    label->setFixedWidth( label->sizeHint().width() );

    label->setPalette( pal );

    hb->addWidget( label );

    shipsLCD = new QLCDNumber( 1, mainWin );

    shipsLCD->setFrameStyle( Q3Frame::NoFrame );

    shipsLCD->setSegmentStyle( QLCDNumber::Flat );

    shipsLCD->setFixedWidth( 40 );

    shipsLCD->setPalette( pal );

    hb->addWidget( shipsLCD );

    hb->addStrut( 30 );

    vb->addWidget( view, 10 );

// -- bottom layout:

    vb->addLayout( hbd );

    QFont smallFont( "helvetica", 14 );

    hbd->addSpacing( 10 );

    QString sprites_prefix = ":/trolltech/examples/graphicsview/portedasteroids/sprites/";

/*

    label = new QLabel( tr( "T" ), mainWin );

    label->setFont( smallFont );

    label->setFixedWidth( label->sizeHint().width() );

    label->setPalette( pal );

    hbd->addWidget( label );

    teleportsLCD = new QLCDNumber( 1, mainWin );

    teleportsLCD->setFrameStyle( QFrame::NoFrame );

    teleportsLCD->setSegmentStyle( QLCDNumber::Flat );

    teleportsLCD->setPalette( pal );

    teleportsLCD->setFixedHeight( 20 );

    hbd->addWidget( teleportsLCD );

    hbd->addSpacing( 10 );

*/

    QPixmap pm( sprites_prefix + "powerups/brake.png" );

    label = new QLabel( mainWin );

    label->setPixmap( pm );

    label->setFixedWidth( label->sizeHint().width() );

    label->setPalette( pal );

    hbd->addWidget( label );

    brakesLCD = new QLCDNumber( 1, mainWin );

    brakesLCD->setFrameStyle( Q3Frame::NoFrame );

    brakesLCD->setSegmentStyle( QLCDNumber::Flat );

    brakesLCD->setPalette( pal );

    brakesLCD->setFixedHeight( 20 );

    hbd->addWidget( brakesLCD );

    hbd->addSpacing( 10 );

    pm.load( sprites_prefix + "powerups/shield.png" );

    label = new QLabel( mainWin );

    label->setPixmap( pm );

    label->setFixedWidth( label->sizeHint().width() );

    label->setPalette( pal );

    hbd->addWidget( label );

    shieldLCD = new QLCDNumber( 1, mainWin );

    shieldLCD->setFrameStyle( Q3Frame::NoFrame );

    shieldLCD->setSegmentStyle( QLCDNumber::Flat );

    shieldLCD->setPalette( pal );

    shieldLCD->setFixedHeight( 20 );

    hbd->addWidget( shieldLCD );

    hbd->addSpacing( 10 );

    pm.load( sprites_prefix + "powerups/shoot.png" );

    label = new QLabel( mainWin );

    label->setPixmap( pm );

    label->setFixedWidth( label->sizeHint().width() );

    label->setPalette( pal );

    hbd->addWidget( label );

    shootLCD = new QLCDNumber( 1, mainWin );

    shootLCD->setFrameStyle( Q3Frame::NoFrame );

    shootLCD->setSegmentStyle( QLCDNumber::Flat );

    shootLCD->setPalette( pal );

    shootLCD->setFixedHeight( 20 );

    hbd->addWidget( shootLCD );

    hbd->addStretch( 1 );

    label = new QLabel( tr( "Fuel" ), mainWin );

    label->setFont( smallFont );

    label->setFixedWidth( label->sizeHint().width() + 10 );

    label->setPalette( pal );

    hbd->addWidget( label );

    powerMeter = new KALedMeter( mainWin );

    powerMeter->setFrameStyle( Q3Frame::Box | Q3Frame::Plain );

    powerMeter->setRange( MAX_POWER_LEVEL );

    powerMeter->addColorRange( 10, Qt::darkRed );

    powerMeter->addColorRange( 20, QColor(160, 96, 0) );

    powerMeter->addColorRange( 70, Qt::darkGreen );

    powerMeter->setCount( 40 );

    powerMeter->setPalette( pal );

    powerMeter->setFixedSize( 200, 12 );

    hbd->addWidget( powerMeter );

    shipsRemain = 3;

    showHiscores = FALSE;

    actions.insert( Qt::Key_Up, Thrust );

    actions.insert( Qt::Key_Left, RotateLeft );

    actions.insert( Qt::Key_Right, RotateRight );

    actions.insert( Qt::Key_Space, Shoot );

    actions.insert( Qt::Key_Z, Teleport );

    actions.insert( Qt::Key_X, Brake );

    actions.insert( Qt::Key_S, Shield );

    actions.insert( Qt::Key_P, Pause );

    actions.insert( Qt::Key_L, Launch );

    actions.insert( Qt::Key_N, NewGame );

    view->showText( tr( "Press N to start playing" ), Qt::yellow );

}

KAstTopLevel::~KAstTopLevel()

{

}

void KAstTopLevel::playSound( const char * )

{

}

void KAstTopLevel::keyPressEvent( QKeyEvent *event )

{

    if ( event->isAutoRepeat() || !actions.contains( event->key() ) )

    {

        event->ignore();

        return;

    }

    Action a = actions[ event->key() ];

    switch ( a )

    {

        case RotateLeft:

            view->rotateLeft( TRUE );

            break;

        case RotateRight:

            view->rotateRight( TRUE );

            break;

        case Thrust:

            view->thrust( TRUE );

            break;

        case Shoot:

            view->shoot( TRUE );

            break;

        case Shield:

            view->setShield( TRUE );

            break;

        case Teleport:

            view->teleport( TRUE );

            break;

        case Brake:

            view->brake( TRUE );

            break;

        default:

            event->ignore();

            return;

    }

    event->accept();

}

void KAstTopLevel::keyReleaseEvent( QKeyEvent *event )

{

    if ( event->isAutoRepeat() || !actions.contains( event->key() ) )

    {

        event->ignore();

        return;

    }

    Action a = actions[ event->key() ];

    switch ( a )

    {

        case RotateLeft:

            view->rotateLeft( FALSE );

            break;

        case RotateRight:

            view->rotateRight( FALSE );

            break;

        case Thrust:

            view->thrust( FALSE );

            break;

        case Shoot:

            view->shoot( FALSE );

            break;

        case Brake:

            view->brake( FALSE );

            break;

        case Shield:

            view->setShield( FALSE );

            break;

        case Teleport:

            view->teleport( FALSE );

            break;

        case Launch:

            if ( waitShip )

            {

                view->newShip();

                waitShip = FALSE;

                view->hideText();

            }

            else

            {

                event->ignore();

                return;

            }

            break;

	case NewGame:

	    slotNewGame();

	    break;

/*

        case Pause:

            {

                view->pause( TRUE );

                QMessageBox::information( this,

                                          tr("KAsteroids is paused"),

                                          tr("Paused") );

                view->pause( FALSE );

            }

            break;

*/

        default:

            event->ignore();

            return;

    }

    event->accept();

}

void KAstTopLevel::showEvent( QShowEvent *e )

{

    Q3MainWindow::showEvent( e );

    view->pause( FALSE );

    view->setFocus();

}

void KAstTopLevel::hideEvent( QHideEvent *e )

{

    Q3MainWindow::hideEvent( e );

    view->pause( TRUE );

}

void KAstTopLevel::slotNewGame()

{

    score = 0;

    shipsRemain = SB_SHIPS;

    scoreLCD->display( 0 );

    level = 0;

    levelLCD->display( level+1 );

    shipsLCD->display( shipsRemain-1 );

    view->newGame();

    view->setRockSpeed( levels[0].rockSpeed );

    view->addRocks( levels[0].nrocks );

//    view->showText( tr( "Press L to launch." ), yellow );

    view->newShip();

    waitShip = FALSE;

    view->hideText();

    isPaused = FALSE;

}

void KAstTopLevel::slotShipKilled()

{

    shipsRemain--;

    shipsLCD->display( shipsRemain-1 );

    playSound( "ShipDestroyed" );

    if ( shipsRemain )

    {

        waitShip = TRUE;

        view->showText( tr( "Ship Destroyed. Press L to launch."), Qt::yellow );

    }

    else

    {

        view->showText( tr("Game Over!"), Qt::red );

        view->endGame();

	doStats();

//        highscore->addEntry( score, level, showHiscores );

    }

}

void KAstTopLevel::slotRockHit( int size )

{

    switch ( size )

    {

	case 0:

	    score += 10;

	     break;

	case 1:

	    score += 20;

	    break;

	default:

	    score += 40;

      }

    playSound( "RockDestroyed" );

    scoreLCD->display( score );

}

void KAstTopLevel::slotRocksRemoved()

{

    level++;

    if ( level >= MAX_LEVELS )

	level = MAX_LEVELS - 1;

    view->setRockSpeed( levels[level-1].rockSpeed );

    view->addRocks( levels[level-1].nrocks );

    levelLCD->display( level+1 );

}

void KAstTopLevel::doStats()

{

    QString r( "0.00" );

    if ( view->shots() )

	 r = QString::number( (double)view->hits() / view->shots() * 100.0,

			     'g', 2 );

/* multi-line text broken in Qt 3

    QString s = tr( "Game Over\n\nShots fired:\t%1\n  Hit:\t%2\n  Missed:\t%3\nHit ratio:\t%4 %\n\nPress N for a new game" )

      .arg(view->shots()).arg(view->hits())

      .arg(view->shots() - view->hits())