toruschess/src/toruschess.cpp

75 lines
2.8 KiB
C++

/***************************************************************************
* Copyright (C) 2009 by Stefan Bühler *
* stbuehler@web.de *
* *
* 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., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#include "toruschess.h"
namespace toruschess {
Move::Move(const Field* field, const Pos &from, const Pos &to)
: m_from(from), m_to(to), m_prevFrom(field->place(from)), m_prevTo(field->place(to)), m_player(field->player(from)) { }
static const int start_field[8][8] = {
{ -KNIGHT, -PAWN, -ROOK, 0, 0, 0, 0, 0 },
{ -BISHOP, -KING, -QUEEN, 0, 0, 0, 0, 0 },
{ -ROOK, -PAWN, -KNIGHT, 0, 0, 0, 0, 0 },
{ 0, 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 0, 0, ROOK, PAWN, KNIGHT, 0 },
{ 0, 0, 0, 0, QUEEN, KING, BISHOP, 0 },
{ 0, 0, 0, 0, KNIGHT, PAWN, ROOK, 0 },
{ 0, 0, 0, 0, 0, 0, 0, 0 }
};
Field::Field() {
memcpy(m_places, start_field, sizeof(start_field));
}
QList<Move> Field::validMoves(const Pos &p) {
QList<Move> moves;
int thePlace = place(p);
Piece thePiece = (Piece) qAbs(thePlace);
switch (thePiece) {
case NOPIECE:
break;
}
return moves;
}
bool Field::validMove(const Move &m) {
QList<Move> moves = validMoves(m.from());
return moves.contains(m);
}
bool Field::move(const Move &m) {
if (!validMove(m)) return false;
return true;
}
bool Field::undo(const Move &m) {
if (place(m.from()) != 0 || place(m.to()) != m.prevFrom()) return false;
place(m.from()) = m.prevFrom();
place(m.to()) = m.prevTo();
return false;
}
Game::Game(QObject *parent)
: QObject(parent), m_field(new Field()) { }
Game::~Game() {
delete m_field;
}
}