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/*
* Copyright (c) 1996-2002 Nicolas HADACEK (hadacek@kde.org)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef BASE_FIELD_H
#define BASE_FIELD_H
#include <tqcstring.h>
#include <krandomsequence.h>
#include <kgrid2d.h>
#include "defines.h"
class BaseField : public KGrid2D::Square<KMines::Case>, public KMines
{
public:
// seed for KRandomSequence (used by solver check programs)
BaseField(long seed = 0);
virtual ~BaseField() {}
void reset(uint width, uint height, uint nbMines);
static bool checkField(uint width, uint height, uint nbMines,
const TQString &field);
void initReplay(const TQString &field); // string == "0100011011000101..."
// --------------------------
// interface used by the solver
uint nbMines() const { return _nbMines; }
bool isCovered(const KGrid2D::Coord &p) const
{ return ( state(p)!=KMines::Uncovered ); }
uint nbMinesAround(const KGrid2D::Coord &) const;
KGrid2D::CoordList coveredNeighbours(const KGrid2D::Coord &p) const;
bool isSolved() const { return (size() - _nbUncovered)==_nbMines; }
// return false if the case revealed contains a mine.
virtual bool doReveal(const KGrid2D::Coord &c,
KGrid2D::CoordList *autorevealed, bool *caseUncovered)
{ return reveal(c, autorevealed, caseUncovered); }
virtual void doMark(const KGrid2D::Coord &);
// -------------------------
uint nbMarked() const { return _nbMarked; }
TQCString string() const;
void showAllMines(bool won);
protected:
bool firstReveal() const { return _firstReveal; }
KMines::CaseState state(const KGrid2D::Coord &p) const
{ return (*this)[p].state; }
bool hasMine(const KGrid2D::Coord &p) const { return (*this)[p].mine; }
virtual void changeCase(const KGrid2D::Coord &, KMines::CaseState);
bool reveal(const KGrid2D::Coord &c,
KGrid2D::CoordList *autorevealed, bool *caseUncovered);
bool autoReveal(const KGrid2D::Coord &, bool *caseUncovered);
void completeReveal();
private:
bool _firstReveal;
uint _nbUncovered, _nbMarked, _nbUncertain, _nbMines;
KRandomSequence _random;
void uncover(const KGrid2D::Coord &, KGrid2D::CoordList *autoreveal);
void changeState(KMines::CaseState, int increment);
};
#endif
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