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/*
* Quackle -- Crossword game artificial intelligence and analysis tool
* Copyright (C) 2005-2006 Jason Katz-Brown and John O'Laughlin.
*
* 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 QUACKLE_STRATEGYPARAMETERS_H
#define QUACKLE_STRATEGYPARAMETERS_H
#include <map>
#include "alphabetparameters.h"
namespace Quackle
{
class StrategyParameters
{
public:
StrategyParameters();
void initialize(const string &lexicon);
bool isInitialized() const;
// letters are raw letters include bottom marks
double syn2(Letter letter1, Letter letter2) const;
double tileWorth(Letter letter) const;
double vcPlace(int start, int length, int consbits);
double bogowin(int lead, int unseen, int blanks);
double superleave(LetterString leave);
protected:
bool loadSyn2(const string &filename);
bool loadWorths(const string &filename);
bool loadVcPlace(const string &filename);
bool loadBogowin(const string &filename);
bool loadSuperleaves(const string &filename);
int mapLetter(Letter letter) const;
double m_syn2[QUACKLE_FIRST_LETTER + QUACKLE_MAXIMUM_ALPHABET_SIZE][QUACKLE_FIRST_LETTER + QUACKLE_MAXIMUM_ALPHABET_SIZE];
double m_tileWorths[QUACKLE_FIRST_LETTER + QUACKLE_MAXIMUM_ALPHABET_SIZE];
double m_vcPlace[QUACKLE_MAXIMUM_BOARD_SIZE][QUACKLE_MAXIMUM_BOARD_SIZE][128];
static const int m_bogowinArrayWidth = 601;
static const int m_bogowinArrayHeight = 94;
double m_bogowin[m_bogowinArrayWidth][m_bogowinArrayHeight];
typedef map<LetterString, double> SuperLeavesMap;
SuperLeavesMap m_superleaves;
bool m_initialized;
};
inline bool StrategyParameters::isInitialized() const
{
return m_initialized;
}
inline int StrategyParameters::mapLetter(Letter letter) const
{
// no mapping needed
return letter;
}
inline double StrategyParameters::syn2(Letter letter1, Letter letter2) const
{
return m_syn2[mapLetter(letter1)][mapLetter(letter2)];
}
inline double StrategyParameters::tileWorth(Letter letter) const
{
return m_tileWorths[mapLetter(letter)];
}
inline double StrategyParameters::vcPlace(int start, int length, int consbits)
{
if ((consbits < 0) || (consbits >= 128) ||
(start < 0) || (start >= QUACKLE_MAXIMUM_BOARD_SIZE) ||
(length < 0) || (length >= QUACKLE_MAXIMUM_BOARD_SIZE))
return 0;
return m_vcPlace[start][length][consbits];
}
inline double StrategyParameters::bogowin(int lead, int unseen, int /* blanks */)
{
if (lead < -300) return 0;
if (lead > 300) return 1;
if (unseen > 93) unseen = 93;
if (unseen == 0)
{
if (lead < 0) return 0;
else if (lead == 0) return 0.5;
else return 1;
}
return m_bogowin[lead + 300][unseen];
}
inline double StrategyParameters::superleave(LetterString leave)
{
if (leave.length() == 0)
return 0.0;
return m_superleaves[leave];
}
}
#endif
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