eliot/game/board.cpp
Olivier Teulière 12894e00e2 Take more advantage of the Coord class, and remove the useless accessors
from Round (to force using the Coord object)
2005-11-05 13:56:59 +00:00

475 lines
14 KiB
C++

/*****************************************************************************
* Copyright (C) 1999-2005 Eliot
* Authors: Antoine Fraboulet <antoine.fraboulet@free.fr>
* Olivier Teuliere <ipkiss@via.ecp.fr>
*
* 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 "dic.h"
#include "tile.h"
#include "round.h"
#include "bag.h"
#include "rack.h"
#include "results.h"
#include "board.h"
#define oo 0
#define __ 1
#define T2 2
#define T3 3
#define W2 2
#define W3 3
const int Board::m_tileMultipliers[BOARD_REALDIM][BOARD_REALDIM] =
{
{ oo,oo,oo,oo,oo,oo,oo,oo,oo,oo,oo,oo,oo,oo,oo,oo,oo },
{ oo,__,__,__,T2,__,__,__,__,__,__,__,T2,__,__,__,oo },
{ oo,__,__,__,__,__,T3,__,__,__,T3,__,__,__,__,__,oo },
{ oo,__,__,__,__,__,__,T2,__,T2,__,__,__,__,__,__,oo },
{ oo,T2,__,__,__,__,__,__,T2,__,__,__,__,__,__,T2,oo },
{ oo,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,oo },
{ oo,__,T3,__,__,__,T3,__,__,__,T3,__,__,__,T3,__,oo },
{ oo,__,__,T2,__,__,__,T2,__,T2,__,__,__,T2,__,__,oo },
{ oo,__,__,__,T2,__,__,__,__,__,__,__,T2,__,__,__,oo },
{ oo,__,__,T2,__,__,__,T2,__,T2,__,__,__,T2,__,__,oo },
{ oo,__,T3,__,__,__,T3,__,__,__,T3,__,__,__,T3,__,oo },
{ oo,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,oo },
{ oo,T2,__,__,__,__,__,__,T2,__,__,__,__,__,__,T2,oo },
{ oo,__,__,__,__,__,__,T2,__,T2,__,__,__,__,__,__,oo },
{ oo,__,__,__,__,__,T3,__,__,__,T3,__,__,__,__,__,oo },
{ oo,__,__,__,T2,__,__,__,__,__,__,__,T2,__,__,__,oo },
{ oo,oo,oo,oo,oo,oo,oo,oo,oo,oo,oo,oo,oo,oo,oo,oo,oo }
};
const int Board::m_wordMultipliers[BOARD_REALDIM][BOARD_REALDIM] =
{
{ oo,oo,oo,oo,oo,oo,oo,oo,oo,oo,oo,oo,oo,oo,oo,oo,oo },
{ oo,W3,__,__,__,__,__,__,W3,__,__,__,__,__,__,W3,oo },
{ oo,__,W2,__,__,__,__,__,__,__,__,__,__,__,W2,__,oo },
{ oo,__,__,W2,__,__,__,__,__,__,__,__,__,W2,__,__,oo },
{ oo,__,__,__,W2,__,__,__,__,__,__,__,W2,__,__,__,oo },
{ oo,__,__,__,__,W2,__,__,__,__,__,W2,__,__,__,__,oo },
{ oo,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,oo },
{ oo,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,oo },
{ oo,W3,__,__,__,__,__,__,W2,__,__,__,__,__,__,W3,oo },
{ oo,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,oo },
{ oo,__,__,__,__,__,__,__,__,__,__,__,__,__,__,__,oo },
{ oo,__,__,__,__,W2,__,__,__,__,__,W2,__,__,__,__,oo },
{ oo,__,__,__,W2,__,__,__,__,__,__,__,W2,__,__,__,oo },
{ oo,__,__,W2,__,__,__,__,__,__,__,__,__,W2,__,__,oo },
{ oo,__,W2,__,__,__,__,__,__,__,__,__,__,__,W2,__,oo },
{ oo,W3,__,__,__,__,__,__,W3,__,__,__,__,__,__,W3,oo },
{ oo,oo,oo,oo,oo,oo,oo,oo,oo,oo,oo,oo,oo,oo,oo,oo,oo }
};
Board::Board():
m_tilesRow(BOARD_REALDIM, Tile::dummy()),
m_tilesCol(BOARD_REALDIM, Tile::dummy()),
m_jokerRow(BOARD_REALDIM, false),
m_jokerCol(BOARD_REALDIM, false),
m_crossRow(BOARD_REALDIM, Cross()),
m_crossCol(BOARD_REALDIM, Cross()),
m_pointRow(BOARD_REALDIM, -1),
m_pointCol(BOARD_REALDIM, -1),
m_testsRow(BOARD_REALDIM, 0)
{
// No cross check allowed around the board
for (int i = 0; i < BOARD_REALDIM; i++)
{
m_crossRow[0][i].clear();
m_crossCol[0][i].clear();
m_crossRow[i][0].clear();
m_crossCol[i][0].clear();
m_crossRow[BOARD_REALDIM - 1][i].clear();
m_crossCol[BOARD_REALDIM - 1][i].clear();
m_crossRow[i][BOARD_REALDIM - 1].clear();
m_crossCol[i][BOARD_REALDIM - 1].clear();
}
}
char Board::getChar(int iRow, int iCol) const
{
char letter = 0;
Tile tile = getTile(iRow, iCol);
if (!tile.isEmpty())
{
letter = tile.toChar();
if (isJoker(iRow, iCol))
letter = tolower(letter);
}
return letter;
}
int Board::getCharAttr(int iRow, int iCol) const
{
int t = getTestChar(iRow, iCol);
int j = isJoker(iRow, iCol);
return (t << 1) | j;
}
Tile Board::getTile(int iRow, int iCol) const
{
return m_tilesRow[iRow][iCol];
}
bool Board::isJoker(int iRow, int iCol) const
{
return m_jokerRow[iRow][iCol];
}
bool Board::isVacant(int iRow, int iCol) const
{
if (iRow < 1 || iRow > BOARD_DIM ||
iCol < 1 || iCol > BOARD_DIM)
{
return false;
}
return m_tilesRow[iRow][iCol].isEmpty();
}
void Board::addRound(const Dictionary &iDic, const Round &iRound)
{
Tile t;
int row, col;
row = iRound.getCoord().getRow();
col = iRound.getCoord().getCol();
if (iRound.getCoord().getDir() == Coord::HORIZONTAL)
{
for (int i = 0; i < iRound.getWordLen(); i++)
{
if (m_tilesRow[row][col + i].isEmpty())
{
t = iRound.getTile(i);
m_tilesRow[row][col + i] = t;
m_jokerRow[row][col + i] = iRound.isJoker(i);
m_tilesCol[col + i][row] = t;
m_jokerCol[col + i][row] = iRound.isJoker(i);
}
}
}
else
{
for (int i = 0; i < iRound.getWordLen(); i++)
{
if (m_tilesRow[row + i][col].isEmpty())
{
t = iRound.getTile(i);
m_tilesRow[row + i][col] = t;
m_jokerRow[row + i][col] = iRound.isJoker(i);
m_tilesCol[col][row + i] = t;
m_jokerCol[col][row + i] = iRound.isJoker(i);
}
}
}
buildCross(iDic);
#ifdef DEBUG
checkDouble();
#endif
}
void Board::removeRound(const Dictionary &iDic, const Round &iRound)
{
int row, col;
row = iRound.getCoord().getRow();
col = iRound.getCoord().getCol();
if (iRound.getCoord().getDir() == Coord::HORIZONTAL)
{
for (int i = 0; i < iRound.getWordLen(); i++)
{
if (iRound.isPlayedFromRack(i))
{
m_tilesRow[row][col + i] = Tile::dummy();
m_jokerRow[row][col + i] = false;
m_tilesCol[col + i][row] = Tile::dummy();
m_jokerCol[col + i][row] = false;
}
}
}
else
{
for (int i = 0; i < iRound.getWordLen(); i++)
{
if (iRound.isPlayedFromRack(i))
{
m_tilesRow[row + i][col] = Tile::dummy();
m_jokerRow[row + i][col] = false;
m_tilesCol[col][row + i] = Tile::dummy();
m_jokerCol[col][row + i] = false;
}
}
}
buildCross(iDic);
#ifdef DEBUG
checkDouble();
#endif
}
/* XXX: There is duplicated code with board_search.c.
* We could probably factorize something... */
int Board::checkRoundAux(Matrix<Tile> &iTilesMx,
Matrix<Cross> &iCrossMx,
Matrix<int> &iPointsMx,
Matrix<bool> &iJokerMx,
Round &iRound,
bool firstturn)
{
Tile t;
int row, col, i;
int l, p, fromrack;
int pts, ptscross, wordmul;
bool isolated = true;
fromrack = 0;
pts = 0;
ptscross = 0;
wordmul = 1;
row = iRound.getCoord().getRow();
col = iRound.getCoord().getCol();
/* Is the word an extension of another word? */
if (!iTilesMx[row][col - 1].isEmpty() ||
!iTilesMx[row][col + iRound.getWordLen()].isEmpty())
{
return 1;
}
for (i = 0; i < iRound.getWordLen(); i++)
{
t = iRound.getTile(i);
if (!iTilesMx[row][col + i].isEmpty())
{
/* There is already a letter on the board */
if (iTilesMx[row][col + i] != t)
return 2;
isolated = false;
iRound.setFromBoard(i);
if (!iJokerMx[row][col + i])
pts += t.getPoints();
}
else
{
/* The letter is not yet on the board */
if (iCrossMx[row][col + i].check(t))
{
/* A non-trivial cross-check means an anchor square */
if (!iCrossMx[row][col + i].isAny())
isolated = false;
if (!iRound.isJoker(i))
l = t.getPoints() * m_tileMultipliers[row][col + i];
else
l = 0;
pts += l;
wordmul *= m_wordMultipliers[row][col + i];
p = iPointsMx[row][col + i];
if (p >= 0)
{
ptscross += (p + l) * m_wordMultipliers[row][col + i];
}
fromrack++;
iRound.setFromRack(i);
}
else
{
/* The letter is not in the crosscheck */
return 3;
}
}
}
/* There must be at least 1 letter from the rack */
if (fromrack == 0)
return 4;
/* The word must cover at least one anchor square, except
* for the first turn */
if (isolated && !firstturn)
return 5;
/* The first word must be horizontal */
if (firstturn && iRound.getCoord().getDir() == Coord::VERTICAL)
return 6;
/* The first word must cover the H8 square */
if (firstturn
&& (row != 8 || col > 8 || col + iRound.getWordLen() <= 8))
{
return 7;
}
/* Set the iPointsMx and bonus */
pts = ptscross + pts * wordmul + 50 * (fromrack == 7);
iRound.setPoints(pts);
iRound.setBonus(fromrack == 7);
return 0;
}
int Board::checkRound(Round &iRound, bool firstturn)
{
if (iRound.getCoord().getDir() == Coord::HORIZONTAL)
{
return checkRoundAux(m_tilesRow, m_crossRow,
m_pointRow, m_jokerRow,
iRound, firstturn);
}
else
{
// XXX: ugly!
// Exchange the coordinates temporarily
iRound.accessCoord().swap();
int res = checkRoundAux(m_tilesCol, m_crossCol,
m_pointCol, m_jokerCol,
iRound, firstturn);
// Restore the coordinates
iRound.accessCoord().swap();
return res;
}
}
void Board::testRound(const Round &iRound)
{
Tile t;
int row, col;
row = iRound.getCoord().getRow();
col = iRound.getCoord().getCol();
if (iRound.getCoord().getDir() == Coord::HORIZONTAL)
{
for (int i = 0; i < iRound.getWordLen(); i++)
{
if (m_tilesRow[row][col + i].isEmpty())
{
t = iRound.getTile(i);
m_tilesRow[row][col + i] = t;
m_jokerRow[row][col + i] = iRound.isJoker(i);
m_testsRow[row][col + i] = 1;
m_tilesCol[col + i][row] = t;
m_jokerCol[col + i][row] = iRound.isJoker(i);
}
}
}
else
{
for (int i = 0; i < iRound.getWordLen(); i++)
{
if (m_tilesRow[row + i][col].isEmpty())
{
t = iRound.getTile(i);
m_tilesRow[row + i][col] = t;
m_jokerRow[row + i][col] = iRound.isJoker(i);
m_testsRow[row + i][col] = 1;
m_tilesCol[col][row + i] = t;
m_jokerCol[col][row + i] = iRound.isJoker(i);
}
}
}
}
void Board::removeTestRound()
{
for (int row = 1; row <= BOARD_DIM; row++)
{
for (int col = 1; col <= BOARD_DIM; col++)
{
if (m_testsRow[row][col])
{
m_tilesRow[row][col] = Tile::dummy();
m_testsRow[row][col] = 0;
m_jokerRow[row][col] = false;
m_tilesCol[col][row] = Tile::dummy();
m_jokerCol[col][row] = false;
}
}
}
}
char Board::getTestChar(int iRow, int iCol) const
{
return m_testsRow[iRow][iCol];
}
int Board::getWordMultiplier(int iRow, int iCol) const
{
if (iRow < BOARD_MIN || iRow > BOARD_MAX ||
iCol < BOARD_MIN || iCol > BOARD_MAX)
return 0;
return m_wordMultipliers[iRow][iCol];
}
int Board::getLetterMultiplier(int iRow, int iCol) const
{
if (iRow < BOARD_MIN || iRow > BOARD_MAX ||
iCol < BOARD_MIN || iCol > BOARD_MAX)
return 0;
return m_tileMultipliers[iRow][iCol];
}
#ifdef DEBUG
void Board::checkDouble()
{
for (int row = BOARD_MIN; row <= BOARD_MAX; row++)
{
for (int col = BOARD_MIN; col <= BOARD_MAX; col++)
{
if (m_tilesRow[row][col] != m_tilesCol[col][row])
printf("tiles diff %d %d\n", row, col);
// The crossckecks and the points have no reason to be the same
// in both directions
/*
if (m_crossRow[row][col] != m_crossCol[col][row])
{
printf("cross diff %d %d\n",row,col);
}
if (m_pointRow[row][col] != m_pointCol[col][row])
printf("point diff %d %d\n",row,col);
*/
if (m_jokerRow[row][col] != m_jokerCol[col][row])
printf("joker diff %d %d\n", row, col);
}
}
}
#endif