eliot/game/move.cpp
Olivier Teulière bce4ce4604 - The main game modifications (playing a move, setting a new rack, ...) are now done using the Command design pattern, which alows undoing these changes easily.
- Added support for navigation in the game history to the text interface (not unit-tested yet)
2008-11-23 08:18:03 +00:00

156 lines
3.8 KiB
C++

/*****************************************************************************
* Eliot
* Copyright (C) 2007 Olivier Teulière
* Authors: Olivier Teulière <ipkiss @@ gmail.com>
*
* 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 St, Fifth Floor, Boston, MA 02110-1301 USA
*****************************************************************************/
#include <boost/foreach.hpp>
#include <algorithm>
#include <wctype.h>
#include <sstream>
#include "move.h"
#include "rack.h"
#include "pldrack.h"
Move::Move(const Round &iRound)
: m_score(0), m_round(iRound)
{
m_type = VALID_ROUND;
m_score = m_round.getPoints();
}
Move::Move(const wstring &iWord, const wstring &iCoord)
: m_word(iWord), m_coord(iCoord)
{
m_type = INVALID_WORD;
m_score = 0;
}
Move::Move(const wstring &iLetters)
: m_score(0), m_letters(iLetters)
{
// Make the letters uppercase
std::transform(m_letters.begin(), m_letters.end(),
m_letters.begin(), towupper);
if (m_letters.empty())
m_type = PASS;
else
m_type = CHANGE_LETTERS;
}
const Round & Move::getRound() const
{
if (m_type != VALID_ROUND)
{
// FIXME: throw an exception object instead
throw 1;
}
return m_round;
}
const wstring & Move::getBadWord() const
{
if (m_type != INVALID_WORD)
{
// FIXME: throw an exception object instead
throw 1;
}
return m_word;
}
const wstring & Move::getBadCoord() const
{
if (m_type != INVALID_WORD)
{
// FIXME: throw an exception object instead
throw 1;
}
return m_coord;
}
const wstring & Move::getChangedLetters() const
{
if (m_type != CHANGE_LETTERS &&
m_type != PASS)
{
// FIXME: throw an exception object instead
throw 1;
}
return m_letters;
}
Rack Move::ComputeRackForMove(const PlayedRack &iOldRack, const Move &iMove)
{
// Start from the given rack
Rack newRack;
iOldRack.getRack(newRack);
if (iMove.getType() == Move::VALID_ROUND)
{
// Remove the played tiles from the rack
const Round &round = iMove.getRound();
for (unsigned int i = 0; i < round.getWordLen(); i++)
{
if (round.isPlayedFromRack(i))
{
if (round.isJoker(i))
newRack.remove(Tile::Joker());
else
newRack.remove(round.getTile(i));
}
}
}
else if (iMove.getType() == Move::CHANGE_LETTERS)
{
// Remove the changed tiles from the rack
const wstring & changed = iMove.getChangedLetters();
BOOST_FOREACH(wchar_t ch, changed)
{
newRack.remove(Tile(ch));
}
}
return newRack;
}
wstring Move::toString() const
{
wstringstream wss;
if (m_type == PASS)
wss << "PASS";
else if (m_type == CHANGE_LETTERS)
wss << "CHANGE=" << m_letters;
else if (m_type == INVALID_WORD)
wss << "INVALID: word=" << m_round.toString() << " coords=" << m_coord;
else if (m_type == VALID_ROUND)
wss << "VALID: word=" << m_round.toString();
wss << " score=" << m_score;
return wss.str();
}