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-rw-r--r--kblackbox/kbbgame.cpp740
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diff --git a/kblackbox/kbbgame.cpp b/kblackbox/kbbgame.cpp
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+++ b/kblackbox/kbbgame.cpp
@@ -0,0 +1,740 @@
+//
+// KBlackbox
+//
+// A simple game inspired by an emacs module
+//
+// File: kbbgame.cpp
+//
+// The implementation of the KBBGame widget
+//
+
+#include <config.h>
+
+#include <qpopupmenu.h>
+#include <qkeycode.h>
+#include <qlabel.h>
+#include <qpushbutton.h>
+#include <qtooltip.h>
+#include <qstring.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;
+
+ QPixmap **pix = new QPixmap * [NROFTYPES];
+ pix[0] = new QPixmap();
+ *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 QPixmap;
+ *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, SIGNAL(inputAt(int,int,int)),
+ this, SLOT(gotInputAt(int,int,int)) );
+ connect( this, SIGNAL(gameRuns(bool)),
+ gr, SLOT(setInputAccepted(bool)) );
+ connect( gr, SIGNAL(endMouseClicked()),
+ this, SLOT(gameFinished()) );
+
+ /*
+ QToolTip::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;
+ QString 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?"),QString::null,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) {
+ QString 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?"),QString::null,i18n("Give Up"))
+ == KMessageBox::Continue;
+
+ if (stop) {
+ getResults();
+ abortGame();
+ }
+ }
+}
+
+/*
+ Displays game statistics.
+*/
+
+void KBBGame::updateStats()
+{
+ QString tmp;
+ QString 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!"),QString::null,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!"),QString::null,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 & 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 & 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(this, SLOT(newGame()), actionCollection());
+ (void)new KAction( i18n("&Give Up"), SmallIcon("giveup"), 0, this, SLOT(giveUp()), actionCollection(), "game_giveup" );
+ (void)new KAction( i18n("&Done"), SmallIcon("done"), 0, this, SLOT(gameFinished()), actionCollection(), "game_done" );
+ (void)new KAction( i18n("&Resize"), 0, this, SLOT(slotResize()), actionCollection(), "game_resize" );
+ KStdGameAction::quit(this, SLOT(close()), actionCollection());
+
+
+// settings
+ sizeAction = new KSelectAction( i18n("&Size"), 0, this, SLOT(slotSize()), actionCollection(), "options_size");
+ QStringList 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, this, 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, this, SLOT(tutorialSwitch()), actionCollection(), "options_tutorial" );
+// KStdAction::keyBindings(guiFactory(), SLOT(configureShortcuts()),
+//actionCollection());
+
+// keyboard only
+ (void)new KAction( i18n("Move Down"), Qt::Key_Down, gr, SLOT(slotDown()), actionCollection(), "move_down" );
+ (void)new KAction( i18n("Move Up"), Qt::Key_Up, gr, SLOT(slotUp()), actionCollection(), "move_up" );
+ (void)new KAction( i18n("Move Left"), Qt::Key_Left, gr, SLOT(slotLeft()), actionCollection(), "move_left" );
+ (void)new KAction( i18n("Move Right"), Qt::Key_Right, gr, SLOT(slotRight()), actionCollection(), "move_right" );
+ (void)new KAction( i18n("Trigger Action"), Qt::Key_Return, gr, SLOT(slotInput()), actionCollection(), "move_trigger" );
+}
+
+void KBBGame::slotResize()
+{
+ setMinSize();
+ gameResize();
+}
+
+#include "kbbgame.moc"
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