Initial git commit.

1 files changed, 123 insertions, 0 deletions

diff --git a/strategyparameters.h b/strategyparameters.h
new file mode 100644
index 0000000..5129167
--- /dev/null
+++ b/strategyparameters.h
@@ -0,0 +1,123 @@
+/*
+ *  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