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tdegames/kblackbox/kbbgame.cpp

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//
// KBlackbox
//
// A simple game inspired by an emacs module
//
// File: kbbgame.cpp
//
// The implementation of the KBBGame widget
//
#include <config.h>
#include <tqpopupmenu.h>
#include <tqkeycode.h>
#include <tqlabel.h>
#include <tqpushbutton.h>
#include <tqtooltip.h>
#include <tqstring.h>
#include <kmessagebox.h>
#include <kdebug.h>
#include <kapplication.h>
#include <klocale.h>
#include <kconfig.h>
#include <kglobal.h>
#include <kmenubar.h>
#include <kiconloader.h>
#include <khelpmenu.h>
#include <kaction.h>
#include <kstdaction.h>
#include <kstatusbar.h>
#include <kstdgameaction.h>
#include "kbbgame.h"
#include "util.h"
#include "version.h"
/*
Names of pixmap files.
*/
const char *pFNames[NROFTYPES] = {
"white",
"gray",
"green",
"red",
"blue",
"cyan",
"brown",
"green2"
};
/*
Creates the KBBGame widget and sets saved options (if any).
*/
KBBGame::KBBGame()
{
int i;
TQPixmap **pix = new TQPixmap * [NROFTYPES];
pix[0] = new TQPixmap();
*pix[0] = BarIcon( pFNames[0] );
if (!pix[0]->isNull()) {
kdDebug(12009) << "Pixmap \"" << pFNames[0] << "\" loaded." << endl;
for (i = 1; i < NROFTYPES; i++) {
pix[i] = new TQPixmap;
*pix[i] = BarIcon( pFNames[i] );
if (!pix[i]->isNull()) {
kdDebug(12009) << "Pixmap \"" << pFNames[i] << "\" loaded." << endl;
} else {
pix[i] = pix[i-1];
pix[i]->detach();
kdDebug(12009) << "Cannot find pixmap \"" << pFNames[i] << "\". Using previous one." << endl;
}
}
} else {
kdDebug(12009) << "Cannot find pixmap \"" << pFNames[0] << "\". Pixmaps will not be loaded." << endl;
delete pix[0];
delete pix;
pix = NULL;
}
gr = new KBBGraphic( pix, this, "KBBGraphic" );
statusBar()->insertItem(i18n("Score: 0000"), SSCORE);
statusBar()->insertItem(i18n("Placed: 00 / 00"), SBALLS);
statusBar()->insertItem(i18n("Run: yesno"), SRUN);
statusBar()->insertItem(i18n("Size: 00 x 00"), SSIZE);
initKAction();
connect( gr, TQT_SIGNAL(inputAt(int,int,int)),
this, TQT_SLOT(gotInputAt(int,int,int)) );
connect( this, TQT_SIGNAL(gameRuns(bool)),
gr, TQT_SLOT(setInputAccepted(bool)) );
connect( gr, TQT_SIGNAL(endMouseClicked()),
this, TQT_SLOT(gameFinished()) );
/*
TQToolTip::add( doneButton, i18n(
"Click here when you think you placed all the balls.") );
*/
/*
Game initializations
*/
running = FALSE;
gameBoard = NULL;
KConfig *kConf;
int j;
kConf = kapp->config();
kConf->setGroup( "KBlackBox Setup" );
if (kConf->hasKey( "Balls" )) {
i = kConf->readNumEntry( "Balls" );
balls = i;
switch (i) {
case 4: ballsAction->setCurrentItem(0); break;
case 6: ballsAction->setCurrentItem(1); break;
case 8: ballsAction->setCurrentItem(2); break;
}
} else {
balls = 4;
ballsAction->setCurrentItem(0);
}
if ((kConf->hasKey( "Width" )) &&
(kConf->hasKey( "Balls" ))) {
i = kConf->readNumEntry( "Width" );
j = kConf->readNumEntry( "Height" );
gr->setSize( i+4, j+4 ); // +4 is the space for "lasers" and an edge...
gameBoard = new RectOnArray( gr->numC(), gr->numR() );
switch (i) {
case 8: sizeAction->setCurrentItem(0); break;
case 10: sizeAction->setCurrentItem(1); break;
case 12: sizeAction->setCurrentItem(2); break;
}
} else {
gr->setSize( 8+4, 8+4 ); // +4 is the space for "lasers" and an edge...
gameBoard = new RectOnArray( gr->numC(), gr->numR() );
sizeAction->setCurrentItem(0);
}
if (kConf->hasKey( "tutorial" )) {
tutorial = (bool) kConf->readNumEntry( "tutorial" );
} else tutorial = FALSE;
tutorialAction->setChecked(tutorial);
setCentralWidget( gr );
setScore( 0 );
ballsPlaced = 0;
updateStats();
newGame();
setMinSize();
setupGUI();
}
/*
Saves the options and destroys the KBBGame widget.
*/
KBBGame::~KBBGame()
{
KConfig *kConf;
TQString s;
kConf = kapp->config();
kConf->setGroup( "KBlackBox Setup" );
kConf->writeEntry( "Balls", balls );
kConf->writeEntry( "Width", gr->numC() - 4);
kConf->writeEntry( "Height", gr->numR() - 4);
kConf->writeEntry( "tutorial", (int) tutorial );
delete gameBoard;
// All the rest has "this" for parent so it doesn't need to be deleted.
}
/*
Resizes yourself to fit the contents perfectly, from menu.
*/
void KBBGame::gameResize()
{
resize( gr->wHint(), gr->hHint() + menuBar()->height() + statusBar()->height() +
toolBar()->height() );
}
void KBBGame::setMinSize()
{
setMinimumSize( gr->wHint(), gr->hHint() + menuBar()->height() + statusBar()->height() +
toolBar()->height() );
}
/*
Settings of various options.
*/
void KBBGame::slotSize()
{
int i = sizeAction->currentItem();
bool ok = false;
switch (i) {
case 0:
ok = setSize( 8, 8 );
break;
case 1:
ok = setSize( 10, 10 );
break;
case 2:
ok = setSize( 12, 12 );
break;
}
if (!ok) {
switch(gr->numR() - 4) {
case 8:
sizeAction->setCurrentItem(0); break;
case 10:
sizeAction->setCurrentItem(1); break;
case 12:
sizeAction->setCurrentItem(2); break;
}
}
}
void KBBGame::slotBalls()
{
int i = ballsAction->currentItem();
bool ok = false;
switch (i) {
case 0:
ok = setBalls( 4 );
break;
case 1:
ok = setBalls( 6 );
break;
case 2:
ok = setBalls( 8 );
break;
}
if (!ok) {
switch (balls) {
case 4:
ballsAction->setCurrentItem(0); break;
case 6:
ballsAction->setCurrentItem(1); break;
case 8:
ballsAction->setCurrentItem(2); break;
}
}
}
void KBBGame::tutorialSwitch()
{
tutorial = !tutorial;
}
/*
Creates a new game.
*/
void KBBGame::newGame()
{
int i, j;
if (running) {
bool cancel;
cancel = KMessageBox::warningContinueCancel(0,
i18n("Do you really want to give up this game?"),TQString(),i18n("Give Up"))
== KMessageBox::Cancel;
if (cancel)
return;
abortGame();
}
gameBoard->fill( INNERBBT );
for (j = 0; j < (gr->numR()); j++) {
gameBoard->set( 0, j, OUTERBBT );
gameBoard->set( gr->numC()-1, j, OUTERBBT );
}
for (i = 0; i < (gr->numC()); i++) {
gameBoard->set( i, 0, OUTERBBT );
gameBoard->set( i, gr->numR()-1, OUTERBBT );
}
for (j = 2; j < (gr->numR()-2); j++) {
gameBoard->set( 1, j, LASERBBT );
gameBoard->set( gr->numC()-2, j, LASERBBT );
}
for (i = 2; i < (gr->numC()-2); i++) {
gameBoard->set( i, 1, LASERBBT );
gameBoard->set( i, gr->numR()-2, LASERBBT );
}
gameBoard->set( 1, 1, OUTERBBT );
gameBoard->set( 1, gr->numR()-2, OUTERBBT );
gameBoard->set( gr->numC()-2, 1, OUTERBBT );
gameBoard->set( gr->numC()-2, gr->numR()-2, OUTERBBT );
randomBalls( balls );
remap( gameBoard, gr->getGraphicBoard() );
gr->repaint( TRUE );
setScore( 0 );
detourCounter = -1;
ballsPlaced = 0;
running = TRUE;
updateStats();
emit gameRuns( running );
}
/*
Ends the current game.
*/
void KBBGame::gameFinished()
{
if (running) {
TQString s;
if (ballsPlaced == balls) {
getResults();
abortGame();
if (score <= (balls*3))
s = i18n("Your final score is: %1\n"
"You did really well!");
else
s = i18n("Your final score is: %1\n"
"I guess you need more practice.");
KMessageBox::information(this,
s.arg(KGlobal::locale()->formatNumber(score, 0)));
} else {
s = i18n( "You should place %1 balls!\n"
"You have placed %2.")
.arg(KGlobal::locale()->formatNumber(balls, 0))
.arg(KGlobal::locale()->formatNumber(ballsPlaced, 0));
KMessageBox::sorry(this, s);
}
}
}
/*
Computes the final score and indicate errors.
*/
void KBBGame::getResults()
{
int i, j, tgam, tgra;
RectOnArray *r = gr->getGraphicBoard();
for (j = 0; j < (gr->numR()); j++) {
for (i = 0; i < (gr->numC()); i++) {
tgam = gameBoard->get( i, j );
tgra = r->get( i, j );
if ((tgam == BALLBBT) && (tgra != TBALLBBG)) {
setScore( score+5 );
r->set( i, j, WBALLBBG );
gr->updateElement( i, j );
}
if ((tgam != BALLBBT) && (tgra == TBALLBBG)) {
r->set( i, j, FBALLBBG );
gr->updateElement( i, j );
}
}
}
}
/*
Aborts the current game.
*/
void KBBGame::abortGame()
{
if (running) {
running = FALSE;
ballsPlaced = 0;
updateStats();
gr->clearFocus();
emit gameRuns( running );
}
}
/*
Gives the game up.
*/
void KBBGame::giveUp()
{
if (running) {
bool stop;
stop = KMessageBox::warningContinueCancel(0,
i18n(
"Do you really want to give up this game?"),TQString(),i18n("Give Up"))
== KMessageBox::Continue;
if (stop) {
getResults();
abortGame();
}
}
}
/*
Displays game statistics.
*/
void KBBGame::updateStats()
{
TQString tmp;
TQString s = i18n("Run: ");
if (running)
s += i18n("Yes");
else
s += i18n("No");
statusBar()->changeItem( s, SRUN );
s = i18n( "Size: " );
s += tmp.sprintf( "%2d x %2d",
gr->numC()-4, gr->numR()-4 );
statusBar()->changeItem( s, SSIZE );
s = i18n( "Placed: " );
s += tmp.sprintf( "%2d / %2d",
ballsPlaced, balls );
statusBar()->changeItem( s, SBALLS );
}
/*
Sets the score value to n.
*/
void KBBGame::setScore( int n )
{
score = n;
statusBar()->changeItem( i18n("Score: %1").arg(n), SSCORE );
}
/*
Sets the size of the black box.
*/
bool KBBGame::setSize( int w, int h )
{
bool ok = FALSE;
if (((w+4) != gr->numC()) || ((h+4) != gr->numR())) {
if (running) {
ok = KMessageBox::warningContinueCancel(0,
i18n(
"This will be the end of the current game!"),TQString(),i18n("End Game"))
== KMessageBox::Continue;
} else ok = TRUE;
if (ok) {
gr->setSize( w+4, h+4 ); // +4 is the space for "lasers" and an edge...
setMinSize();
gameResize();
delete gameBoard;
gameBoard = new RectOnArray( gr->numC(), gr->numR() );
if (running) abortGame();
newGame();
// gr->repaint( TRUE );
}
}
return ok;
}
/*
Sets the number of balls in the black box to n.
*/
bool KBBGame::setBalls( int n )
{
bool ok = FALSE;
if (balls != n) {
if (running) {
ok = KMessageBox::warningContinueCancel(0,
i18n("This will be the end of the current game!"),TQString(),i18n("End Game"))
== KMessageBox::Continue;
} else ok = TRUE;
if (ok) {
balls = n;
if (running) abortGame();
newGame();
}
}
return ok;
}
/*
Puts n balls in the black box on random positions.
*/
void KBBGame::randomBalls( int n )
{
int i;
random.setSeed(0);
for (i = 0; i < n; i++) {
int x=0, y=0; // there is OUTERBBT...
while (gameBoard->get( x, y ) != INNERBBT ) {
x = 2 + random.getLong(gameBoard->width()-4);
y = 2 + random.getLong(gameBoard->height()-4);
}
gameBoard->set( x, y, BALLBBT );
}
}
/*
This is, in fact, the whole game...
*/
int KBBGame::traceRay( int startX, int startY, int *endX, int *endY )
{
int type, x, y, d, refl;
int slx, scx, srx, sly, scy, sry;
bool directionChanged;
*endX = x = startX;
*endY = y = startY;
/*
Just to avoid compiler warnings
*/
type = slx = scx = srx = sly = scy = sry = 0;
/*
Get the initial direction d.
0 .. up, 1 .. right, 2 .. down, 3 .. left
(0,0) is the upper-left corner.
*/
if ((gameBoard->get( x, y-1 ) == INNERBBT) ||
(gameBoard->get( x, y-1 ) == BALLBBT)) { d = 0; }
else if ((gameBoard->get( x+1, y ) == INNERBBT) ||
(gameBoard->get( x+1, y ) == BALLBBT)) { d = 1; }
else if ((gameBoard->get( x, y+1 ) == INNERBBT) ||
(gameBoard->get( x, y+1 ) == BALLBBT)) { d = 2; }
else if ((gameBoard->get( x-1, y ) == INNERBBT) ||
(gameBoard->get( x-1, y ) == BALLBBT)) { d = 3; }
else return WRONGSTART;
/*
And now trace the ray.
*/
while (1) {
switch (d) {
case 0:
slx = -1; scx = 0; srx = 1;
sly = -1; scy = -1; sry = -1;
break;
case 1:
slx = 1; scx = 1; srx = 1;
sly = -1; scy = 0; sry = 1;
break;
case 2:
slx = 1; scx = 0; srx = -1;
sly = 1; scy = 1; sry = 1;
break;
case 3:
slx = -1; scx = -1; srx = -1;
sly = 1; scy = 0; sry = -1;
break;
}
directionChanged = FALSE;
if (gameBoard->get( x+scx, y+scy ) == LASERBBT) {
type = DETOUR;
*endX = x+scx;
*endY = y+scy;
break;
}
if (gameBoard->get( x+scx, y+scy ) == BALLBBT) {
type = HIT;
break;
}
refl = 0;
if (gameBoard->get( x+slx, y+sly ) == BALLBBT) {
type = REFLECTION;
if (gameBoard->get( x, y ) == LASERBBT) break;
directionChanged = TRUE;
refl += 1;
}
if (gameBoard->get( x+srx, y+sry ) == BALLBBT) {
type = REFLECTION;
if (gameBoard->get( x, y ) == LASERBBT) break;
directionChanged = TRUE;
refl +=2;
}
// turn to the right
if (refl == 1) d = (d + 1) % 4;
// turn to the left
if (refl == 2) if ((d -= 1) < 0) d += 4;
// turn back -- no need to trace again the same way
if (refl == 3) break;
if (!directionChanged) {
x += scx;
y += scy;
}
}
return type;
}
/*
Remaps the gameBoard to its graphic representation.
*/
void KBBGame::remap( RectOnArray *gam, RectOnArray *gra )
{
int i, j;
for (j = 0; j < (gam->height()); j++) {
for (i = 0; i < (gam->width()); i++) {
switch (gam->get( i,j )) {
case BALLBBT: if (tutorial) { gra->set( i,j, WBALLBBG ); break; }
case INNERBBT: gra->set( i,j, INNERBBG ); break;
case OUTERBBT: gra->set( i,j, OUTERBBG ); break;
case LASERBBT: gra->set( i,j, LASERBBG ); break;
default: gra->set( i,j, OUTERBBG );
}
}
}
}
/*
Processes the user input.
*/
void KBBGame::gotInputAt( int col, int row, int state )
{
RectOnArray *r = gr->getGraphicBoard();
int type = r->get( col, row );
int x, y;
int ex, ey;
int w = gameBoard->width() - 2;
int h = gameBoard->height() - 2;
if (state & Qt::LeftButton) {
switch (type) {
case WBALLBBG: // because of the tutorial mode
case INNERBBG:
r->set( col, row, TBALLBBG );
ballsPlaced++;
break;
case MARK1BBG:
r->set( col, row, INNERBBG );
break;
case TBALLBBG:
r->set( col, row, INNERBBG );
ballsPlaced--;
break;
case LASERBBG:
int endX, endY, result;
result = traceRay( col, row, &endX, &endY );
r->set( col, row, LFIREBBG );
//kdDebug << endX << " " << endY << endl;
if (col == 1) x = 0; else
if (col == w) x = w + 1;
else x = col;
if (row == 1) y = 0; else
if (row == h) y = h + 1;
else y = row;
switch (result) {
case DETOUR:
r->set( endX, endY, LFIREBBG );
r->set( x, y, detourCounter );
if (endX == 1) ex = 0; else
if (endX == w) ex = w + 1;
else ex = endX;
if (endY == 1) ey = 0; else
if (endY == h) ey = h + 1;
else ey = endY;
r->set( ex, ey, detourCounter-- );
gr->updateElement( x, y );
gr->updateElement( ex, ey );
gr->updateElement( endX, endY );
setScore( score+2 );
break;
case REFLECTION:
r->set( x, y, RLASERBBG );
gr->updateElement( x, y );
setScore( score+1 );
break;
case HIT:
r->set( x, y, HLASERBBG );
gr->updateElement( x, y );
setScore( score+1 );
break;
case WRONGSTART:
kdDebug(12009) << "Wrong start?! It should't happen!!" << endl;
break;
}
break;
}
} else if (state & Qt::RightButton) {
switch (type) {
case INNERBBG:
r->set( col, row, MARK1BBG );
break;
/*case MARK1BBG:
r->set( col, row, INNERBBG );
break;*/
}
}
gr->updateElement( col, row );
updateStats();
}
void KBBGame::initKAction()
{
// game
KStdGameAction::gameNew(TQT_TQOBJECT(this), TQT_SLOT(newGame()), actionCollection());
(void)new KAction( i18n("&Give Up"), SmallIcon("giveup"), 0, TQT_TQOBJECT(this), TQT_SLOT(giveUp()), actionCollection(), "game_giveup" );
(void)new KAction( i18n("&Done"), SmallIcon("done"), 0, TQT_TQOBJECT(this), TQT_SLOT(gameFinished()), actionCollection(), "game_done" );
(void)new KAction( i18n("&Resize"), 0, TQT_TQOBJECT(this), TQT_SLOT(slotResize()), actionCollection(), "game_resize" );
KStdGameAction::quit(TQT_TQOBJECT(this), TQT_SLOT(close()), actionCollection());
// settings
sizeAction = new KSelectAction( i18n("&Size"), 0, TQT_TQOBJECT(this), TQT_SLOT(slotSize()), actionCollection(), "options_size");
TQStringList list;
list.append(i18n(" 8 x 8 "));
list.append(i18n(" 10 x 10 "));
list.append(i18n(" 12 x 12 "));
sizeAction->setItems(list);
ballsAction = new KSelectAction( i18n("&Balls"), 0, TQT_TQOBJECT(this), TQT_SLOT(slotBalls()), actionCollection(), "options_balls");
list.clear();
list.append(i18n(" 4 "));
list.append(i18n(" 6 "));
list.append(i18n(" 8 "));
ballsAction->setItems(list);
tutorialAction = new KToggleAction( i18n("&Tutorial"), 0, TQT_TQOBJECT(this), TQT_SLOT(tutorialSwitch()), actionCollection(), "options_tutorial" );
// KStdAction::keyBindings(guiFactory(), TQT_SLOT(configureShortcuts()),
//actionCollection());
// keyboard only
(void)new KAction( i18n("Move Down"), TQt::Key_Down, TQT_TQOBJECT(gr), TQT_SLOT(slotDown()), actionCollection(), "move_down" );
(void)new KAction( i18n("Move Up"), TQt::Key_Up, TQT_TQOBJECT(gr), TQT_SLOT(slotUp()), actionCollection(), "move_up" );
(void)new KAction( i18n("Move Left"), TQt::Key_Left, TQT_TQOBJECT(gr), TQT_SLOT(slotLeft()), actionCollection(), "move_left" );
(void)new KAction( i18n("Move Right"), TQt::Key_Right, TQT_TQOBJECT(gr), TQT_SLOT(slotRight()), actionCollection(), "move_right" );
(void)new KAction( i18n("Trigger Action"), TQt::Key_Return, TQT_TQOBJECT(gr), TQT_SLOT(slotInput()), actionCollection(), "move_trigger" );
}
void KBBGame::slotResize()
{
setMinSize();
gameResize();
}
#include "kbbgame.moc"
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