From c90c389a8a8d9d8661e9772ec4144c5cf2039f23 Mon Sep 17 00:00:00 2001
From: toma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>
Date: Wed, 25 Nov 2009 17:56:58 +0000
Subject: Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
 BUG:215923

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdegames@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
---
 libksirtet/base/board.cpp | 429 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 429 insertions(+)
 create mode 100644 libksirtet/base/board.cpp

(limited to 'libksirtet/base/board.cpp')

diff --git a/libksirtet/base/board.cpp b/libksirtet/base/board.cpp
new file mode 100644
index 00000000..257e72c3
--- /dev/null
+++ b/libksirtet/base/board.cpp
@@ -0,0 +1,429 @@
+#include "board.h"
+#include "board.moc"
+
+#include <knotifyclient.h>
+#include <klocale.h>
+#include <kzoommainwindow.h>
+
+#include "piece.h"
+#include "factory.h"
+#include "baseprefs.h"
+
+using namespace KGrid2D;
+
+//-----------------------------------------------------------------------------
+FixedCanvasView::FixedCanvasView(QWidget *parent, const char *name)
+  : QCanvasView(parent, name, WNoAutoErase)
+{}
+
+QSize FixedCanvasView::sizeHint() const
+{
+  if ( canvas()==0 ) return QSize();
+  return canvas()->size() + 2 * QSize(frameWidth(), frameWidth());
+}
+
+void FixedCanvasView::adjustSize()
+{
+  setFixedSize(sizeHint());
+}
+
+//-----------------------------------------------------------------------------
+const BaseBoard::DirectionData BaseBoard::DIRECTION_DATA[Nb_Direction] = {
+    { SquareBase::Left,  Left },
+    { SquareBase::Right, Right },
+    { SquareBase::Down,  Up },
+    { SquareBase::Up,    Down }
+};
+
+BaseBoard::BaseBoard(bool graphic, QWidget *parent)
+: FixedCanvasView(parent, "board"),
+  GenericTetris(bfactory->bbi.width, bfactory->bbi.height,
+                bfactory->bbi.withPieces, graphic),
+  state(GameOver), timer(this), sequences(0), main(0), _next(0),
+ _arcade(false)
+{
+    if (graphic) {
+        setVScrollBarMode(AlwaysOff);
+        setHScrollBarMode(AlwaysOff);
+        setFrameStyle( QFrame::Panel | QFrame::Sunken );
+
+        sequences = new SequenceArray;
+        main = new BlockInfo(*sequences);
+        setCanvas(main);
+        if (bfactory->bbi.withPieces)
+          _next = new BlockInfo(*sequences);
+        setBlockInfo(main, _next);
+        
+        connect(&timer, SIGNAL(timeout()), SLOT(timeout()));
+        
+        Piece::info().loadColors();
+        KZoomMainWindow::addWidget(this);
+    }
+}
+
+void BaseBoard::copy(const GenericTetris &g)
+{
+    GenericTetris::copy(g);
+    state = static_cast<const BaseBoard &>(g).state;
+}
+
+void BaseBoard::settingsChanged()
+{
+    Q_ASSERT( graphic() );
+    Piece::info().loadColors();
+}
+
+void BaseBoard::adjustSize()
+{
+    int size = BasePrefs::blockSize();
+    
+    sequences->setBlockSize(size);
+    main->resize(matrix().width() * size, matrix().height() * size);
+    for (uint i=0; i<matrix().width(); i++)
+        for (uint j=0; j<firstClearLine(); j++) {
+            Coord c(i, j);
+            if ( matrix()[c]==0 ) continue;
+            partialMoveBlock(c, QPoint(0, 0));
+        }
+    
+    if (_next) {
+      Coord c = Piece::info().maxSize() + Coord(2, 2);
+      _next->resize(c.first * size, c.second * size);
+      _nextPiece->moveCenter();
+    }
+    
+    FixedCanvasView::adjustSize();
+}
+
+BaseBoard::~BaseBoard()
+{
+    if ( graphic() ) {
+        setBlockInfo(0, 0); // destruct all sprites before deleting canvas
+        delete _next;
+        delete main;
+        delete sequences;
+    }
+}
+
+void BaseBoard::init(bool arcade)
+{
+    _arcade = arcade;
+    _arcadeStageDone = false;
+}
+
+void BaseBoard::start(const GTInitData &data)
+{
+	Q_ASSERT( graphic() );
+    if ( !_arcadeStageDone || _arcadeStage==bfactory->bbi.nbArcadeStages )
+        _arcadeStage = 0;
+    _arcadeStageDone = false;
+	state = Normal;
+	GenericTetris::start(data); // NB: the timer is started by updateLevel !
+    if (_arcade) arcadePrepare();
+}
+
+void BaseBoard::stop()
+{
+	timer.stop();
+    state = GameOver;
+}
+
+void BaseBoard::pause()
+{
+	Q_ASSERT( graphic() );
+    timer.stop();
+    _oldState = state;
+    state = Paused;
+	showBoard(false);
+}
+
+void BaseBoard::gameOver()
+{
+    stop();
+    emit gameOverSignal();
+}
+
+void BaseBoard::showCanvas(QCanvas *c, bool show)
+{
+	QCanvasItemList l = c->allItems();
+	QCanvasItemList::Iterator it;
+	for (it=l.begin(); it!=l.end(); ++it) {
+		if (show) (*it)->show();
+		else (*it)->hide();
+	}
+	c->update();
+}
+
+void BaseBoard::showBoard(bool show)
+{
+	showCanvas(main, show);
+}
+
+void BaseBoard::unpause()
+{
+	Q_ASSERT( graphic() );
+	showBoard(true);
+    state = _oldState;
+	startTimer();
+}
+
+void BaseBoard::updateRemoved(uint newRemoved)
+{
+	GenericTetris::updateRemoved(newRemoved);
+    emit removedUpdated();
+}
+
+void BaseBoard::updateScore(uint newScore)
+{
+	GenericTetris::updateScore(newScore);
+    emit scoreUpdated();
+}
+
+int BaseBoard::firstColumnBlock(uint col) const
+{
+	for (int j=firstClearLine()-1; j>=0; j--) {
+        Coord c(col, j);
+		if ( matrix()[c]!=0 ) return j;
+    }
+	return -1;
+}
+
+//-----------------------------------------------------------------------------
+void BaseBoard::_beforeRemove(bool first)
+{
+	if ( graphic() ) {
+		state = ( beforeRemove(first) ? BeforeRemove : Normal );
+		if ( state==BeforeRemove ) {
+			startTimer();
+			return;
+		}
+	}
+	remove();
+	_afterRemove(true);
+}
+
+void BaseBoard::remove()
+{
+    for (uint j=0; j<firstClearLine(); j++)
+        for (uint i=0; i<matrix().width(); i++) {
+            Coord c(i, j);
+            if ( matrix()[c]==0 || !toBeRemoved(c) ) continue;
+            removeBlock(c);
+        }
+    computeInfos();
+    if ( graphic() ) {
+        main->update();
+        KNotifyClient::event(winId(), "removed", i18n("Blocks removed"));
+    }
+}
+
+bool BaseBoard::doFall(bool doAll, bool first, bool lineByLine)
+{
+    Q_ASSERT( !lineByLine || !doAll );
+
+    if ( !doAll ) {
+		if (first) loop = 0;
+		else loop++;
+    }
+	bool final = (doAll || lineByLine
+                  || loop==bfactory->bbi.nbFallStages);
+
+    for (uint i=0; i<matrix().width(); i++) {
+        // compute heights
+        // we must separate this computation since toFall() can depend
+        // directly on the disposition of blocks under the current one
+        // (for e.g. in kfouleggs)
+        // we do not rely on firstClearLine() here since this method is
+        // used in kfouleggs to  make gift blocks fall down ...
+        uint h = 0;
+        QMemArray<uint> heights(matrix().height());
+        for (uint j=1; j<matrix().height(); j++) { // first line cannot fall
+            Coord src(i, j);
+            if ( toFall(src) ) h++;
+            heights[j] = h;
+        }
+
+        // do move
+        for (uint j=1; j<matrix().height(); j++) {
+            Coord src(i, j);
+            if( heights[j]==0 || matrix()[src]==0 ) continue;
+            if (lineByLine) final = false;
+            uint k = j - (lineByLine ? 1 : heights[j]);
+            Coord dest(i, k);
+            if ( final || lineByLine ) moveBlock(src, dest);
+            else partialBlockFall(src, dest);
+        }
+    }
+
+    if (final) computeInfos();
+    return final;
+}
+
+void BaseBoard::_afterRemove(bool first)
+{
+	AfterRemoveResult r = afterRemove(!graphic(), first);
+	switch (r) {
+	  case Done:
+          state = Normal;
+          _afterAfterRemove();
+          return;
+	  case NeedAfterRemove:
+          state = AfterRemove;
+          startTimer();
+          return;
+	  case NeedRemoving:
+          _beforeRemove(true);
+          return;
+	}
+}
+
+BaseBoard::AfterRemoveResult BaseBoard::afterRemove(bool doAll, bool first)
+{
+    return (doFall(doAll, first, false) ? Done : NeedAfterRemove);
+}
+
+void BaseBoard::_afterAfterRemove()
+{
+    if ( isArcade() && arcadeDone()>=arcadeTodo() ) {
+        _arcadeStage++;
+        _arcadeStageDone = true;
+        gameOver();
+        return;
+    }
+    if ( !afterAfterRemove() ) gameOver();
+    else if ( graphic() ) startTimer();
+}
+
+bool BaseBoard::timeout()
+{
+    Q_ASSERT( graphic() );
+    if ( state==GameOver ) return true;
+	switch (state) {
+        case BeforeRemove: _beforeRemove(FALSE); break;
+        case AfterRemove:  _afterRemove(FALSE);  break;
+        default:           return false;
+	}
+	main->update();
+    return true;
+}
+
+bool BaseBoard::startTimer()
+{
+    Q_ASSERT( graphic() );
+    if ( state==GameOver ) return true;
+	switch (state) {
+        case BeforeRemove:
+            timer.start(bfactory->bbi.beforeRemoveTime, true);
+            break;
+        case AfterRemove:
+            timer.start(bfactory->bbi.afterRemoveTime, true);
+            break;
+        default:
+            return false;
+	}
+    return true;
+}
+
+bool BaseBoard::beforeRemove(bool first)
+{
+    if (first) loop = 0;
+	else loop++;
+
+	for (uint j=0; j<firstClearLine(); j++)
+		for (uint i=0; i<matrix().width(); i++) {
+            Coord c(i, j);
+			if ( toBeRemoved(c) ) matrix()[c]->toggleLight();
+        }
+
+	return ( loop!=bfactory->bbi.nbToggles );
+}
+
+
+//-----------------------------------------------------------------------------
+void BaseBoard::partialBlockFall(const Coord &src, const Coord &dest)
+{
+    Q_ASSERT( loop<bfactory->bbi.nbFallStages );
+
+    float c = float(loop+1) / bfactory->bbi.nbFallStages * BasePrefs::blockSize();
+    int xdec = dest.first - src.first;
+    int ydec = src.second - dest.second;
+    QPoint p(int(xdec * c), int(ydec * c));
+    partialMoveBlock(src, p);
+}
+
+uint BaseBoard::findGroup(Square<int> &field, const Coord &c) const
+{
+    uint nb = 0;
+    _findGroup(field, c, nb, false);
+    return nb;
+}
+
+void BaseBoard::setGroup(Square<int> &field, const Coord &c, uint nb) const
+{
+    _findGroup(field, c, nb, true);
+}
+
+void BaseBoard::_findGroup(Square<int> &field, const Coord &c,
+                           uint &nb, bool set) const
+{
+    if (!set) nb++;
+	field[c] = (set ? (int)nb : -1);
+    uint value = matrix()[c]->value();
+    CoordList n = matrix().neighbours(c, true, true);
+    for (CoordList::const_iterator i = n.begin(); i!=n.end(); ++i)
+        blockInGroup(field, *i, value, nb, set);
+}
+
+void BaseBoard::blockInGroup(Square<int> &field, const Coord &c, uint value,
+                             uint &nb, bool set) const
+{
+	if ( matrix()[c]==0 ) return;
+	if ( matrix()[c]->value()!=value ) return;
+	if ( field[c]!=(set ? -1 : 0) ) return;
+	_findGroup(field, c, nb, set);
+}
+
+QMemArray<uint> BaseBoard::findGroups(Square<int> &field, uint minSize,
+									  bool exitAtFirstFound) const
+{
+    field.fill(0);
+    QMemArray<uint> groups;
+ 	for (uint j=0; j<firstClearLine(); j++)
+		for (uint i=0; i<matrix().width(); i++) {
+            Coord c(i, j);
+			if ( matrix()[c]==0 || matrix()[c]->isGarbage() ) continue;
+			if ( field[c]!=0 ) continue;
+            uint nb = findGroup(field, c);
+            setGroup(field, c, nb);
+            if ( nb>=minSize ) {
+				uint s = groups.size();
+				groups.resize(s+1);
+				groups[s] = nb;
+                if (exitAtFirstFound) return groups;
+			}
+		}
+    return groups;
+}
+
+uint BaseBoard::drawCode(const Coord &c) const
+{
+	uint v = matrix()[c]->value();
+	uint code = 0;
+    for (uint i=0; i<Nb_Direction; i++) {
+        Coord nc = SquareBase::neighbour(c, DIRECTION_DATA[i].neighbour);
+        if ( !matrix().inside(nc) || matrix()[nc]==0
+            || matrix()[nc]->value()!=v ) continue;
+        code |= DIRECTION_DATA[i].direction;
+    }
+	return code;
+}
+
+void BaseBoard::computeNeighbours()
+{
+	for (uint j=0; j<firstClearLine(); j++)
+		for (uint i=0; i<matrix().width(); i++) {
+            Coord c(i, j);
+			if ( matrix()[c]==0 || matrix()[c]->isGarbage() ) continue;
+			matrix()[c]->sprite()->setFrame( drawCode(c) );
+		}
+}
-- 
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