BUG: There are only 4095 items in the buffer that is zero'd out using 4096.

FIX: Fix the number used in memset.

1 files changed, 1 insertions, 1 deletions

diff --git a/noncore/games/wordgame/wordgame.cpp b/noncore/games/wordgame/wordgame.cpp
index 52e2be2..8cf92ef 100644
--- a/noncore/games/wordgame/wordgame.cpp
+++ b/noncore/games/wordgame/wordgame.cpp
@@ -207,769 +207,769 @@ void WordGame::readConfig()
     openGameSelector(pnames);
 }
 
 void WordGame::openGameSelector(const QStringList& initnames)
 {
     toolbar->hide();
     gameover = FALSE;
 
     delete board;
     board = 0;
     delete racks;
     racks = 0;
 
     delete cpu;
     cpu = 0;
 
     newgame = new NewGame(vbox);
 
     //Rules rules(this);
     //connect(game.editrules, SIGNAL(clicked()), &rules, SLOT(editRules()));
     //connect(&rules, SIGNAL(rulesChanged()), &game, SLOT(updateRuleSets()));
     struct passwd* n = getpwuid(getuid());
     QString playername = n ? n->pw_name : "";
     if ( playername.isEmpty() ) {
 	playername = "Player";
     }
     newgame->player0->changeItem(playername,0);
     newgame->player1->setCurrentItem(1);
     newgame->updateRuleSets();
     newgame->show();
 
     connect(newgame->buttonOk, SIGNAL(clicked()), this, SLOT(startGame()));
 }
 
 void WordGame::startGame()
 {
     rules = newgame->ruleslist[newgame->rules->currentItem()];
     if ( loadRules(rules) ) {
 	QStringList names;
 	names.append(newgame->player0->currentText());
 	names.append(newgame->player1->currentText());
 	names.append(newgame->player2->currentText());
 	names.append(newgame->player3->currentText());
 	names.append(newgame->player4->currentText());
 	names.append(newgame->player5->currentText());
 	delete newgame;
 	startGame(names);
     } else {
 	// error...
 	delete newgame;
 	close();
     }
 }
 
 void WordGame::startGame(const QStringList& playerlist)
 {
     toolbar->show();
     racks = new QWidgetStack(vbox);
     racks->setFixedHeight(TileItem::bigHeight()+2);
     namelist.clear();
     nplayers=0;
     for (QStringList::ConstIterator it=playerlist.begin(); it!=playerlist.end(); ++it)
 	addPlayer(*it);
     scoreinfo->init(namelist);
 
     if ( nplayers ) {
 	player=0;
 	readyRack(player);
     }
 
     board->show();
     racks->show();
 }
 
 bool WordGame::loadRules(const QString &name)
 {
     QString filename = Global::applicationFileName( "wordgame", name );
     QFile file( filename );
     if ( !file.open( IO_ReadOnly ) )
 	return FALSE;
 
     QTextStream ts( &file );
 
     QString title = name;
     title.truncate( title.length() - 6 );
     //setCaption( title );
 
     QString shapepixmap;
     ts >> shapepixmap;
     int htiles,vtiles;
     ts >> htiles >> vtiles;
 
     if ( htiles < 3 || vtiles < 3 )
 	return FALSE;
 
     QString rule_shapes;
     for (int i=0; i<vtiles; i++) {
 	QString line;
 	ts >> line;
 	rule_shapes += line;
     }
     static int rule_effects[12];
     int re=0,e;
     ts >> e;
     while ( e && re < 10 ) {
 	rule_effects[re] = e;
 	if ( re++ < 10 ) ts >> e;
     }
 
     QImage shim = Opie::Core::OResource::loadImage("wordgame/wordgame_shapes");
     shim = shim.smoothScale((re-1)*TileItem::smallWidth(),TileItem::smallHeight());
     QPixmap bgshapes;
     bgshapes.convertFromImage(shim);
 
     rule_effects[re++] = 100; // default bonus
     board = new Board(bgshapes, htiles, vtiles, vbox);
     board->setRules(rule_shapes, rule_effects);
     connect(board, SIGNAL(temporaryScore(int)), scoreinfo, SLOT(showTemporaryScore(int)));
 
     bag = new Bag;
 
     int count;
     ts >> count;
     while ( count ) {
 	QString text;
 	int value;
 	ts >> text >> value;
 	if ( text == "_" )
 	    text = "";
 
 	Tile t(text, value);
 	for (int n=count; n--; )
 	    bag->add(t);
 
 	ts >> count;
     }
 
     return TRUE;
 }
 
 
 NewGame::NewGame(QWidget* parent) :
     NewGameBase(parent)
 {
 }
 
 void NewGame::updateRuleSets()
 {
     rules->clear();
 
     QString rulesDir = Global::applicationFileName( "wordgame", "" );
     QDir dir( rulesDir, "*.rules" );
     ruleslist = dir.entryList();
     if ( ruleslist.isEmpty() ) {
 	// Provide a sample
 	QFile file( rulesDir + "Sample.rules" );
 	if ( file.open( IO_WriteOnly ) ) {
 	    file.writeBlock( sampleWGR, strlen(sampleWGR) );
 	    file.close();
 	    updateRuleSets();
 	}
 	return;
     }
     int newest=0;
     int newest_age=INT_MAX;
     QDateTime now = QDateTime::currentDateTime();
     QStringList::Iterator it;
     for ( it = ruleslist.begin(); it != ruleslist.end(); ++it ) {
 	QFileInfo fi((*it));
 	int age = fi.lastModified().secsTo(now);
 	QString name = *it;
 	name.truncate( name.length()-6 ); // remove extension
 	rules->insertItem( name );
 	if ( age < newest_age ) {
 	    newest_age = age;
 	    newest = rules->count()-1;
 	}
     }
     rules->setCurrentItem(newest);
 }
 
 Rules::Rules(QWidget* parent) :
     RulesBase(parent,0,TRUE)
 {
 }
 
 void Rules::editRules()
 {
     if ( exec() ) {
 	// ### create a new set of rules
 	emit rulesChanged();
     }
 }
 
 void Rules::deleteRuleSet()
 {
     // ### delete existing rule set
     emit rulesChanged();
 }
 
 void WordGame::addPlayer(const QString& name)
 {
     if ( !name.isEmpty() ) {
 	int colon = name.find(':');
 	int cpu = (colon >=0 && name.left(2) == "AI") ? name.mid(2,1).toInt() : 0;
 	addPlayer(name,cpu);
     }
 }
 
 void WordGame::addPlayer(const QString& name, int cpu)
 {
     Rack* r = new Rack(rack_tiles,racks);
     r->setPlayerName(name);
     r->setComputerization(cpu);
     racks->addWidget(r, nplayers);
     refillRack(nplayers);
     namelist.append(name);
 
     ++nplayers;
 }
 
 void WordGame::nextPlayer()
 {
     if ( !refillRack(player) ) {
 	endGame();
     } else {
 	player = (player+1)%nplayers;
 	scoreinfo->setBoldOne(player);
 	readyRack(player);
     }
 }
 
 bool WordGame::mayEndGame()
 {
     int out=-1;
     int i;
     for (i=0; i<nplayers; i++)
 	if ( !rack(i)->count() )
 	    out = i;
     if ( out<0 ) {
 	if ( QMessageBox::warning(this,tr("End game"),
 				  tr("Do you want to end the game early?"), 
 				  tr("Yes"), tr("No") )!=0 )
 	{
 	    return FALSE;
 	}
     }
     return TRUE;
 }
 
 void WordGame::endGame()
 {
     if ( gameover ) {
 	close();
 	return;
     }
 
     if ( !mayEndGame() )
 	return;
     int out=-1;
     int totalleft=0;
     int i;
     for (i=0; i<nplayers; i++) {
 	Rack* r = rack(i);
 	int c = r->count();
 	if ( c ) {
 	    int lose=0;
 	    for ( int j=0; j<c; j++ )
 		lose += r->tileRef(j)->value();
 	    totalleft += lose;
 	    scoreinfo->addScore(i,-lose);
 	} else {
 	    out = i;
 	}
     }
     int highest=0;
     int winner=0;
     for (i=0; i<nplayers; i++) {
 	int s = scoreinfo->playerScore(i);
 	if ( s > highest ) {
 	    highest = s;
 	    winner = i;
 	}
     }
     if ( out >= 0 )
 	scoreinfo->addScore(out,totalleft);
     scoreinfo->setBoldOne(winner);
     gameover = TRUE;
     done->setEnabled(TRUE);
     reset->setEnabled(FALSE);
 }
 
 void WordGame::endTurn()
 {
     if ( gameover ) {
 	openGameSelector(namelist);
     } else {
 	if ( board->checkTurn() ) {
 	    if ( board->turnScore() >= 0 ) {
 		scoreinfo->addScore(player,board->turnScore());
 		board->finalizeTurn();
 	    } else {
 		QApplication::beep();
 	    }
 	    nextPlayer();
 	}
     }
 }
 
 void WordGame::resetTurn()
 {
     board->resetRack();
 }
 
 void WordGame::passTurn()
 {
     // ######## trade?
     nextPlayer();
 }
 
 bool WordGame::refillRack(int i)
 {
     Rack* r = rack(i);
     while ( !bag->isEmpty() && !r->isFull() ) {
 	r->addTile(bag->takeRandom());
     }
     return r->count() != 0;
 }
 
 void WordGame::readyRack(int i)
 {
     Rack* r = rack(i);
     racks->raiseWidget(i);
     board->setCurrentRack(r);
 
     done->setEnabled( !r->computerized() );
     reset->setEnabled( !r->computerized() );
 
     if ( r->computerized() ) {
 	cpu = new ComputerPlayer(board, r);
 	aiheart->start(0);
     }
 }
 
 Rack* WordGame::rack(int i) const
 {
     return (Rack*)racks->widget(i);
 }
 
 void WordGame::think()
 {
     if ( !cpu->step() ) {
 	delete cpu;
 	cpu = 0;
 	aiheart->stop();
 	if ( board->turnScore() < 0 )
 	    passTurn();
 	else
 	    endTurn();
     }
 }
 
 ComputerPlayer::ComputerPlayer(Board* b, Rack* r) :
     board(b), rack(r), best(new const Tile*[rack_tiles]),
 	best_blankvalues(new Tile[rack_tiles])
 {
     best_score = -1;
     across=FALSE;
     dict=0;
 }
 
 ComputerPlayer::~ComputerPlayer()
 {
     delete [] best;
     delete [] best_blankvalues;
 }
 
 bool ComputerPlayer::step()
 {
     const QDawg::Node* root = dict ? Global::dawg("WordGame").root()
 				: Global::fixedDawg().root();
     QPoint d = across ? QPoint(1,0) : QPoint(0,1);
     const Tile* tiles[99]; // ### max board size
     uchar nletter[4095]; // QDawg only handles 0..4095
-    memset(nletter,0,4096);
+    memset(nletter,0,4095);
     for (int i=0; i<rack->count(); i++) {
 	const Tile* r = rack->tileRef(i);
 	if ( r->isBlank() )
 	    nletter[0]++;
 	else
 	    nletter[r->text()[0].unicode()]++;
     }
     Tile blankvalues[99]; // ### max blanks
     findBest(current, d, root, 0, nletter, tiles, 0, blankvalues, 0);
     if ( ++current.rx() == board->xTiles() ) {
 	current.rx() = 0;
 	if ( ++current.ry() == board->yTiles() ) {
 	    if ( across ) {
 		if ( dict == 1 ) {
 		    if ( best_score >= 0 ) {
 			rack->arrangeTiles(best,best_n);
 			rack->setBlanks(best_blankvalues);
 			board->scoreTurn(best_start, best_n, best_dir);
 			board->showTurn();
 		    }
 		    return FALSE;
 		}
 		dict++;
 		across = FALSE;
 		current = QPoint(0,0);
 	    } else {
 		across = TRUE;
 		current = QPoint(0,0);
 	    }
 	}
     }
     return TRUE;
 }
 
 void ComputerPlayer::findBest(QPoint at, const QPoint& d, const QDawg::Node* node, ulong used, uchar* nletter, const Tile** tiles, int n, Tile* blankvalues, int blused)
 {
     if ( !node )
 	return;
     QChar l = node->letter();
     const Tile* cur = board->tile(at);
     if ( cur ) {
 	if ( cur->text()[0] == l ) {
 	    bool nextok =  board->contains(at+d);
 	    if ( node->isWord() && n && (!nextok || !board->tile(at+d)) )
 		noteChoice(tiles,n,d,blankvalues,blused);
 	    if ( nextok )
 		findBest(at+d, d, node->jump(), used, nletter, tiles, n, blankvalues, blused);
 	    // #### text()[1]...
 	}
     } else {
 	if ( nletter[l.unicode()] || nletter[0] ) {
 	    int rc = rack->count();
 	    ulong msk = 1;
 	    for ( int x=0; x<rc; x++ ) {
 		if ( !(used&msk) ) {
 		    const Tile* t = rack->tileRef(x);
 		    if ( t->isBlank() || t->text() == l ) { // #### multi-char value()s
 			bool nextok =  board->contains(at+d);
 			tiles[n++] = t;
 			if ( t->isBlank() )
 			    blankvalues[blused++] = Tile(l,0);
 			if ( node->isWord() && (!nextok || !board->tile(at+d)) )
 			    noteChoice(tiles,n,d,blankvalues,blused);
 			used |= msk; // mark
 			nletter[t->text()[0].unicode()]--;
 			if ( nextok )
 			    findBest(at+d, d, node->jump(), used, nletter, tiles, n, blankvalues, blused);
 			n--;
 			nletter[t->text()[0].unicode()]++;
 			if ( t->isBlank() ) {
 			    // keep looking
 			    blused--;
 			    used &= ~msk; // unmark
 			} else {
 			    break;
 			}
 		    }
 		}
 		msk <<= 1;
 	    }
 	}
 	// #### text()[1]...
     }
     findBest(at, d, node->next(), used, nletter, tiles, n, blankvalues, blused);
 }
 
 void ComputerPlayer::noteChoice(const Tile** tiles, int n, const QPoint& d, const Tile* blankvalues, int blused)
 {
     int s = board->score(current, tiles, n, blankvalues, d, TRUE, 0);
 /*
 if (s>0 || current==QPoint(5,1)){
 QString st;
 for ( int i=0; i<n; i++ )
     st += tiles[i]->text();
 odebug << "" << current.x() << "," << current.y() << ": " << st.latin1() << " (" << n << ") for " << s << "" << oendl; 
 }
 */
     if ( s > best_score ) {
 	int i;
 	for ( i=0; i<n; i++ )
 	    best[i] = tiles[i];
 	for ( i=0; i<blused; i++ )
 	    best_blankvalues[i] = blankvalues[i];
 	best_n = n;
 	best_blused = blused;
 	best_score = s;
 	best_dir = d;
 	best_start = current;
     }
 }
 
 int TileItem::smallWidth()
 {
     return tile_smallw;
 }
 
 int TileItem::smallHeight()
 {
     return tile_smallh;
 }
 
 int TileItem::bigWidth()
 {
     return tile_bigw;
 }
 
 int TileItem::bigHeight()
 {
     return tile_bigh;
 }
 
 void TileItem::setState( State state )
 {
     hide();
     s = state;
     show(); // ### use update() in Qt 3.0
 }
 
 void TileItem::setTile(const Tile& tile)
 {
     hide();
     t = tile;
     show(); // ### use update() in Qt 3.0
 }
 
 void TileItem::setBig(bool b)
 {
     big = b;
 }
 
 void TileItem::drawShape(QPainter& p)
 {
     static QFont *value_font=0;
     static QFont *big_font=0;
     static QFont *small_font=0;
     if ( !value_font ) {
 	value_font = new QFont("helvetica",8);
 	if ( TileItem::bigWidth() < 20 ) {
 	    big_font = new QFont("helvetica",12);
 	    small_font = new QFont("helvetica",8);
 	} else {
 	    big_font = new QFont("smoothtimes",17);
 	    small_font = new QFont("smoothtimes",10);
 	}
     }
 
     QRect area(x(),y(),width(),height());
     p.setBrush(s == Floating ? yellow/*lightGray*/ : white);
     p.drawRect(area);
     if ( big ) {
 	p.setFont(*value_font);
 	QString n = QString::number(t.value());
 	int w = p.fontMetrics().width('1');
 	int h = p.fontMetrics().height();
 	w *= n.length();
 	QRect valuearea(x()+width()-w-1,y()+height()-h,w,h);
 	p.drawText(valuearea,AlignCenter,n);
 	p.setFont(*big_font);
 	area = QRect(x(),y()+tile_btweak,width()-4,height()-1);
     } else {
 	p.setFont(*small_font);
 	area = QRect(x()+1+tile_stweak,y()+1,width(),height()-3);
     }
     if ( t.value() == 0 )
 	p.setPen(darkGray);
     p.drawText(area,AlignCenter,t.text().upper());
 }
 
 Board::Board(QPixmap bgshapes, int w, int h, QWidget* parent) :
     QCanvasView(new QCanvas(bgshapes,w,h, TileItem::smallWidth(), TileItem::smallHeight()),
 		parent)
 {
     setFixedSize(w*TileItem::smallWidth(),h*TileItem::smallHeight());
     grid = new TileItem*[w*h];
     memset(grid,0,w*h*sizeof(TileItem*));
     setFrameStyle(0);
     setHScrollBarMode(AlwaysOff);
     setVScrollBarMode(AlwaysOff);
     current_rack = 0;
     shown_n = 0;
 }
 
 Board::~Board()
 {
     delete canvas();
 }
 
 QSize Board::sizeHint() const
 {
     return QSize(canvas()->width(),canvas()->height());
 }
 
 void Board::writeConfig(Config& cfg)
 {
     QStringList t;
     int n=canvas()->tilesHorizontally()*canvas()->tilesVertically();
     for (int i=0; i<n; i++)
 	t.append( grid[i] ? grid[i]->tile().key() : QString(".") );
     cfg.writeEntry("Board",t,';');
 }
 
 void Board::readConfig(Config& cfg)
 {
     clear();
     QStringList t = cfg.readListEntry("Board",';');
     int i=0;
     int h=canvas()->tilesHorizontally();
     for (QStringList::ConstIterator it=t.begin(); it!=t.end(); ++it) {
 	if ( *it != "." ) {
 	    QPoint p(i%h,i/h);
 	    setTile(p,Tile(*it));
 	}
 	i++;
     }
     canvas()->update();
 }
 
 void Board::clear()
 {
     int n=canvas()->tilesHorizontally()*canvas()->tilesVertically();
     for (int i=0; i<n; i++) {
 	delete grid[i];
 	grid[i]=0;
     }
 }
 
 
 void Board::setCurrentRack(Rack* r)
 {
     turn_score = -1;
     current_rack = r;
 }
 
 void Board::resetRack()
 {
     unshowTurn();
     canvas()->update();
 }
 
 void Board::contentsMousePressEvent(QMouseEvent* e)
 {
     dragstart = e->pos();
 }
 
 void Board::contentsMouseMoveEvent(QMouseEvent* e)
 {
     if ( current_rack && !current_rack->computerized() ) {
 	QPoint d = e->pos() - dragstart;
 	if ( d.x() <= 0 && d.y() <= 0 ) {
 	    // None
 	    resetRack();
 	} else {
 	    int n;
 	    QPoint start=boardPos(dragstart);
 	    QPoint end=boardPos(e->pos());
 	    QPoint diff=end-start;
 	    QPoint dir;
 	    if ( d.x() > d.y() ) {
 		n = diff.x()+1;
 		dir = QPoint(1,0);
 	    } else {
 		n = diff.y()+1;
 		dir = QPoint(0,1);
 	    }
 
 	    unshowTurn();
 
 	    // Subtract existing tiles from n
 	    QPoint t = start;
 	    for ( int i=n; i--; ) {
 		if ( contains(t) && tile(t) )
 		    n--;
 		t += dir;
 	    }
 
 	    // Move start back to real start
 	    while (contains(start-dir) && tile(start-dir))
 		start -= dir;
 
 	    scoreTurn(start, n, dir);
 	    showTurn();
 	}
     }
 }
 
 void Board::finalizeTurn()
 {
     int i=0;
     QPoint at = shown_at;
     while ( i<shown_n && contains(at) ) {
 	if ( item(at) && item(at)->state() == TileItem::Floating ) {
 	    current_rack->remove(item(at)->tile());
 	    setTileState(at,TileItem::Firm);
 	    i++;
 	}
 	at += shown_step;
     }
     canvas()->update();
 }
 
 void Board::unshowTurn()
 {
     int i=0;
     QPoint at = shown_at;
     while ( i<shown_n && i<current_rack->count() && contains(at) ) {
 	if ( item(at) && item(at)->state() == TileItem::Floating ) {
 	    unsetTile(at);
 	    i++;
 	}
 	at += shown_step;
     }
 }
 
 void Board::showTurn()
 {
     unshowTurn();
     QPoint at = shown_at;
     int i=0;
     while ( i<shown_n && i<current_rack->count() && contains(at) ) {
 	if ( !tile(at) ) {
 	    Tile t = current_rack->tile(i);
 	    setTile(at,t);
 	    setTileState(at,TileItem::Floating);
 	    i++;
 	}
 	at += shown_step;
     }
     canvas()->update();
 }
 
 int Board::bonussedValue(const QPoint& at, int base, int& all_mult) const
 {
     int rule = rule_shape[idx(at)]-'0';
     int effect = rule_effect[rule];
     int mult = effect&Multiplier;
     if ( effect & MultiplyAll ) {
 	all_mult *= mult;
 	return base;
     } else {
 	return base * mult;
     }
 }
 
 bool Board::isStart(const QPoint& at) const
 {
     int rule = rule_shape[idx(at)]-'0';
     int effect = rule_effect[rule];
     return effect&Start;
 }
 
 bool Board::checkTurn()
 {
     if ( current_rack->computerized() )
 	return TRUE; // computer doesn't cheat, and has already set blanks.
 
     QPoint at = shown_at;
     int n = shown_n;
     QPoint d = shown_step;
     const Tile* tiles[99];
     Tile blankvalues[99];
     if ( n > current_rack->count() )
 	n = current_rack->count();
 
     QDialog check(this,0,TRUE);