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/**********************************************************************
** 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.
**
**********************************************************************/
#include "interface.h"
#include <opie2/oresource.h>
#include <qtoolbar.h>
#include <qtoolbutton.h>
SnakeGame::SnakeGame(QWidget* parent, const char* name, WFlags f) :
QMainWindow(parent,name,f),
canvas(232, 258)
{
setCaption( tr("Snake") );
QPEApplication::setInputMethodHint(this, QPEApplication::AlwaysOff );
QPixmap bg = Opie::Core::OResource::loadPixmap("snake/grass");
canvas.setBackgroundPixmap(bg);
canvas.setUpdatePeriod(100);
snake = 0;
cv = new QCanvasView(&canvas, this);
pauseTimer = new QTimer(this);
connect(pauseTimer, SIGNAL(timeout()), this, SLOT(wait()) );
setToolBarsMovable( FALSE );
QToolBar* toolbar = new QToolBar( this);
toolbar->setHorizontalStretchable( TRUE );
QPixmap newicon = Opie::Core::OResource::loadPixmap("ksnake");
setIcon(newicon);
(void)new QToolButton(newicon, tr("New Game"), 0,
this, SLOT(newGame()), toolbar, "New Game");
scorelabel = new QLabel(toolbar);
showScore(0);
scorelabel->setBackgroundMode( PaletteButton );
scorelabel->setAlignment( AlignRight | AlignVCenter | ExpandTabs );
toolbar->setStretchableWidget( scorelabel );
setFocusPolicy(StrongFocus);
setCentralWidget(cv);
QTimer::singleShot( 16, this, SLOT(welcomescreen()) );
gamestopped = true;
waitover = true;
}
SnakeGame::~SnakeGame()
{
delete snake;
}
void SnakeGame::resizeEvent(QResizeEvent *)
{
QSize s = centralWidget()->size();
int fw = style().defaultFrameWidth();
canvas.resize( s.width() - fw - 2, s.height() - fw - 2);
}
void SnakeGame::welcomescreen()
{
QCanvasText* title = new QCanvasText(tr("SNAKE!"), &canvas);
title->setColor(yellow);
title->setFont( QFont("times", 18, QFont::Bold) );
int w = title->boundingRect().width();
title->move(canvas.width()/2 -w/2, canvas.height()/2-110);
title->show();
QCanvasPixmapArray* titlearray = new QCanvasPixmapArray(Opie::Core::OResource::findPixmap("snake/title"));
QCanvasSprite* titlepic = new QCanvasSprite(titlearray, &canvas);
titlepic->move(canvas.width()/2 - 33, canvas.height()/2-85);
titlepic->show();
QCanvasText* instr = new QCanvasText(tr("Use the arrow keys to guide the\n"
"snake to eat the mouse. You must not\n"
"crash into the walls, edges or its tail."),
&canvas);
w = instr->boundingRect().width();
instr->move(canvas.width()/2-w/2, canvas.height()/2-20);
instr->setColor(white);
instr->show();
QCanvasText* cont = new QCanvasText(tr("Press any key to start"), &canvas);
w = cont->boundingRect().width();
cont->move(canvas.width()/2-w/2, canvas.height()-20);
cont->setColor(yellow);
cont->show();
}
void SnakeGame::newGame()
{
clear();
snake = new Snake(&canvas);
connect(snake, SIGNAL(dead()), this, SLOT(gameOver()) );
connect(snake, SIGNAL(targethit()), this, SLOT(levelUp()) );
connect(snake, SIGNAL(scorechanged()), this, SLOT(scoreInc()) );
connect(this, SIGNAL(moveFaster()), snake, SLOT(increaseSpeed()) );
last = 0;
targetamount = 1;
notargets = 1;
level = 1;
stage = 1;
showScore(0);
gamestopped = false;
waitover = true;
int y = canvas.height()-50;
(void)new Obstacle(&canvas, 32);
(void)new Obstacle(&canvas, y);
createTargets();
}
void SnakeGame::showScore(int score)
{
scorelabel->setText(tr(" Score : %1 ").arg(score) );
}
void SnakeGame::scoreInc()
{
showScore( snake->getScore() );
}
void SnakeGame::levelUp()
{
notargets--;
if (notargets == 0) {
stage++;
if (stage == 3) {
level++;
emit moveFaster();
targetamount++;
stage = 0;
}
createTargets();
}
}
void SnakeGame::createTargets()
{
for (int i = 0; i < targetamount; i++)
(void)new Target(&canvas);
notargets = targetamount;
}
void SnakeGame::clear()
{
delete snake;
snake = 0;
QCanvasItemList l = canvas.allItems();
for (QCanvasItemList::Iterator it=l.begin(); it!=l.end(); ++it) {
delete *it;
}
}
void SnakeGame::gameOver()
{
int score = snake->getScore();
QString scoreoutput="";
scoreoutput.setNum(score);
QCanvasText* gameover = new QCanvasText(tr("GAME OVER!\n Your Score: %1").arg( scoreoutput), &canvas);
gameover->setZ(100);
gameover->setColor(yellow);
gameover->setFont( QFont("times", 18, QFont::Bold) );
int w = gameover->boundingRect().width();
gameover->move(canvas.width()/2 -w/2, canvas.height()/2 -50);
gameover->show();
gamestopped = true;
waitover = false;
pauseTimer->start(1500);
}
void SnakeGame::wait()
{
waitover = true;
pauseTimer->stop();
QCanvasText* cont = new QCanvasText(tr("Press any key to begin a new game."),
&canvas);
cont->setZ(100);
cont->setColor(white);
int w = cont->boundingRect().width();
cont->move(canvas.width()/2 -w/2, canvas.height()/2);
cont->show();
}
void SnakeGame::keyPressEvent(QKeyEvent* event)
{
if (gamestopped) {
if (waitover)
newGame();
else
return;
}
else {
int newkey = event->key();
snake->go(newkey);
}
}
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