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+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the demonstration applications of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia. For licensing terms and
+** conditions see http://qt.digia.com/licensing. For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights. These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <stdlib.h>
+#include <QTime>
+#include <QTimer>
+
+#include "minehunt.h"
+
+void tilesPropAppend(QDeclarativeListProperty<TileData>* prop, TileData* value)
+{
+ Q_UNUSED(prop);
+ Q_UNUSED(value);
+ return; //Append not supported
+}
+
+int tilesPropCount(QDeclarativeListProperty<TileData>* prop)
+{
+ return static_cast<QList<TileData*>*>(prop->data)->count();
+}
+
+TileData* tilesPropAt(QDeclarativeListProperty<TileData>* prop, int index)
+{
+ return static_cast<QList<TileData*>*>(prop->data)->at(index);
+}
+
+QDeclarativeListProperty<TileData> MinehuntGame::tiles(){
+ return QDeclarativeListProperty<TileData>(this, &_tiles, &tilesPropAppend,
+ &tilesPropCount, &tilesPropAt, 0);
+}
+
+MinehuntGame::MinehuntGame()
+: numCols(9), numRows(9), playing(true), won(false)
+{
+ setObjectName("mainObject");
+ srand(QTime(0,0,0).secsTo(QTime::currentTime()));
+
+ //initialize array
+ for(int ii = 0; ii < numRows * numCols; ++ii) {
+ _tiles << new TileData;
+ }
+ reset();
+
+}
+
+void MinehuntGame::setBoard()
+{
+ foreach(TileData* t, _tiles){
+ t->setHasMine(false);
+ t->setHint(-1);
+ }
+ //place mines
+ int mines = nMines;
+ remaining = numRows*numCols-mines;
+ while ( mines ) {
+ int col = int((double(rand()) / double(RAND_MAX)) * numCols);
+ int row = int((double(rand()) / double(RAND_MAX)) * numRows);
+
+ TileData* t = tile( row, col );
+
+ if (t && !t->hasMine()) {
+ t->setHasMine( true );
+ mines--;
+ }
+ }
+
+ //set hints
+ for (int r = 0; r < numRows; r++)
+ for (int c = 0; c < numCols; c++) {
+ TileData* t = tile(r, c);
+ if (t && !t->hasMine()) {
+ int hint = getHint(r,c);
+ t->setHint(hint);
+ }
+ }
+
+ setPlaying(true);
+}
+
+void MinehuntGame::reset()
+{
+ foreach(TileData* t, _tiles){
+ t->unflip();
+ t->setHasFlag(false);
+ }
+ nMines = 12;
+ nFlags = 0;
+ emit numMinesChanged();
+ emit numFlagsChanged();
+ setPlaying(false);
+ QTimer::singleShot(600,this, SLOT(setBoard()));
+}
+
+int MinehuntGame::getHint(int row, int col)
+{
+ int hint = 0;
+ for (int c = col-1; c <= col+1; c++)
+ for (int r = row-1; r <= row+1; r++) {
+ TileData* t = tile(r, c);
+ if (t && t->hasMine())
+ hint++;
+ }
+ return hint;
+}
+
+bool MinehuntGame::flip(int row, int col)
+{
+ if(!playing)
+ return false;
+
+ TileData *t = tile(row, col);
+ if (!t || t->hasFlag())
+ return false;
+
+ if(t->flipped()){
+ int flags = 0;
+ for (int c = col-1; c <= col+1; c++)
+ for (int r = row-1; r <= row+1; r++) {
+ TileData *nearT = tile(r, c);
+ if(!nearT || nearT == t)
+ continue;
+ if(nearT->hasFlag())
+ flags++;
+ }
+ if(!t->hint() || t->hint() != flags)
+ return false;
+ for (int c = col-1; c <= col+1; c++)
+ for (int r = row-1; r <= row+1; r++) {
+ TileData *nearT = tile(r, c);
+ if (nearT && !nearT->flipped() && !nearT->hasFlag()) {
+ flip( r, c );
+ }
+ }
+ return true;
+ }
+
+ t->flip();
+
+ if (t->hint() == 0) {
+ for (int c = col-1; c <= col+1; c++)
+ for (int r = row-1; r <= row+1; r++) {
+ TileData* t = tile(r, c);
+ if (t && !t->flipped()) {
+ flip( r, c );
+ }
+ }
+ }
+
+ if(t->hasMine()){
+ for (int r = 0; r < numRows; r++)//Flip all other mines
+ for (int c = 0; c < numCols; c++) {
+ TileData* t = tile(r, c);
+ if (t && t->hasMine()) {
+ flip(r, c);
+ }
+ }
+ won = false;
+ hasWonChanged();
+ setPlaying(false);
+ return true;
+ }
+
+ remaining--;
+ if(!remaining){
+ won = true;
+ hasWonChanged();
+ setPlaying(false);
+ return true;
+ }
+ return true;
+}
+
+bool MinehuntGame::flag(int row, int col)
+{
+ TileData *t = tile(row, col);
+ if(!t || !playing || t->flipped())
+ return false;
+
+ t->setHasFlag(!t->hasFlag());
+ nFlags += (t->hasFlag()?1:-1);
+ emit numFlagsChanged();
+ return true;
+}