double CatchallEvaluator::equity(const GamePosition &position, const Move &move) const
{
//UVcout << "catchall being used on " << move.tiles() << endl;
if (position.board().isEmpty())
{
double adjustment = 0;
if (move.action == Move::Place)
{
int start = move.startcol;
if (move.startrow < start)
start = move.startrow;
LetterString wordTiles = move.tiles();
int length = wordTiles.length();
int consbits = 0;
for (signed int i = wordTiles.length() - 1; i >= 0; i--)
{
consbits <<= 1;
if (QUACKLE_ALPHABET_PARAMETERS->isVowel(QUACKLE_ALPHABET_PARAMETERS->clearBlankness(wordTiles[i])))
consbits |= 1;
}
adjustment = QUACKLE_STRATEGY_PARAMETERS->vcPlace(start, length, consbits);
}
else
adjustment = 3.5;
// UVcout << "placement adjustment for " << move << " is " << adjustment << endl;
return ScorePlusLeaveEvaluator::equity(position, move) + adjustment;
}
else if (position.bag().size() > 0)
{
int leftInBagPlusSeven = position.bag().size() - move.usedTiles().length() + 7;
double heuristicArray[13] =
{
0.0, -8.0, 0.0, -0.5, -2.0, -3.5, -2.0,
2.0, 10.0, 7.0, 4.0, -1.0, -2.0
};
double timingHeuristic = 0.0;
if (leftInBagPlusSeven < 13) timingHeuristic = heuristicArray[leftInBagPlusSeven];
return ScorePlusLeaveEvaluator::equity(position, move) + timingHeuristic;
}
else
{
return endgameResult(position, move) + move.score;
}
}
bool StrategyParameters::loadSyn2(const string &filename)
{
for (int i = 0; i < QUACKLE_FIRST_LETTER + QUACKLE_MAXIMUM_ALPHABET_SIZE; ++i)
for (int j = 0; j < QUACKLE_FIRST_LETTER + QUACKLE_MAXIMUM_ALPHABET_SIZE; ++j)
m_syn2[i][j] = 0;
UVIFStream file(filename.c_str());
if (!file.is_open())
{
cerr << "Could not open " << filename << " to load syn2" << endl;
return false;
}
while (!file.eof())
{
UVString letters;
file >> letters;
if (letters.empty())
continue;
LetterString letterString = QUACKLE_ALPHABET_PARAMETERS->encode(letters);
if (letterString.length() != 2)
{
UVcerr << "letter string " << letters << " can not be encoded into two letters while reading syn2" << endl;
break;
}
if (file.eof())
break;
double value;
file >> value;
m_syn2[(int)letterString[0]][(int)letterString[1]] = value;
m_syn2[(int)letterString[1]][(int)letterString[0]] = value;
}
file.close();
return true;
}
MoveList Board::allWordsFormedBy(const Move &move) const
{
MoveList ret;
if (move.tiles().length() > 1)
ret.push_back(move);
if (move.action == Move::Place)
{
if (m_empty)
{
ret.push_back(move);
}
else
{
LetterString word;
if (move.horizontal)
{
int i = 0;
for (const auto& it : move.tiles())
{
if (m_letters[move.startrow][i + move.startcol] == QUACKLE_NULL_MARK)
{
word.clear();
word += it;
int startRow = 0;
for (int j = move.startrow - 1; j >= 0; --j)
{
if (m_letters[j][i + move.startcol] == QUACKLE_NULL_MARK)
{
startRow = j + 1;
break;
}
else
{
word = m_letters[j][i + move.startcol] + word;
}
}
for (int j = move.startrow + 1; j < m_height; ++j)
{
if (m_letters[j][i + move.startcol] == QUACKLE_NULL_MARK)
j = m_height;
else
word += m_letters[j][i + move.startcol];
}
if (word.length() > 1)
{
ret.push_back(Move::createPlaceMove(startRow, (i + move.startcol), /* vertical */ false, word));
}
}
i++;
}
}
else
{
int i = 0;
for (const auto& it : move.tiles())
{
if (m_letters[i + move.startrow][move.startcol] == QUACKLE_NULL_MARK)
{
word.clear();
word += it;
int startColumn = 0;
for (int j = move.startcol - 1; j >= 0; --j)
{
if (m_letters[i + move.startrow][j] == QUACKLE_NULL_MARK)
{
startColumn = j + 1;
break;
}
else
{
word = m_letters[i + move.startrow][j] + word;
}
}
for (int j = move.startcol + 1; j < m_width; ++j)
{
if (m_letters[i + move.startrow][j] == QUACKLE_NULL_MARK)
j = m_width;
else
word += m_letters[i + move.startrow][j];
}
if (word.length() > 1)
{
ret.push_back(Move::createPlaceMove((i + move.startrow), startColumn, /* horizontal */ true, word));
}
i++;
}
}
}
}
}
for (auto& it : ret)
{
it.setTiles(sanitizedTilesOfMove(it));
it.setPrettyTiles(prettyTilesOfMove(it));
it.score = score(it);
}
return ret;
}
void Board::updateBritishness()
{
Generator generator;
LetterString word;
for (int row = 0; row < m_height; row++)
{
for (int col = 0; col < m_width; col++)
{
bool isBritish = false;
if (m_letters[row][col] != QUACKLE_NULL_MARK)
{
word.clear();
word += QUACKLE_ALPHABET_PARAMETERS->clearBlankness(m_letters[row][col]);
for (int j = row - 1; j >= 0; --j)
{
if (m_letters[j][col] == QUACKLE_NULL_MARK)
break;
else
word = QUACKLE_ALPHABET_PARAMETERS->clearBlankness(m_letters[j][col]) + word;
}
for (int j = row + 1; j < m_height; ++j)
{
if (m_letters[j][col] == QUACKLE_NULL_MARK)
break;
else
word += QUACKLE_ALPHABET_PARAMETERS->clearBlankness(m_letters[j][col]);
}
if (word.length() > 1)
{
WordWithInfo wordWithInfo;
wordWithInfo.wordLetterString = word;
generator.storeWordInfo(&wordWithInfo);
if (wordWithInfo.british)
isBritish = true;
}
word.clear();
word += QUACKLE_ALPHABET_PARAMETERS->clearBlankness(m_letters[row][col]);
for (int j = col - 1; j >= 0; --j)
{
if (m_letters[row][j] == QUACKLE_NULL_MARK)
break;
else
word = QUACKLE_ALPHABET_PARAMETERS->clearBlankness(m_letters[row][j]) + word;
}
for (int j = col + 1; j < m_width; ++j)
{
if (m_letters[row][j] == QUACKLE_NULL_MARK)
break;
else
word += QUACKLE_ALPHABET_PARAMETERS->clearBlankness(m_letters[row][j]);
}
if (word.length() > 1)
{
WordWithInfo wordWithInfo;
wordWithInfo.wordLetterString = word;
generator.storeWordInfo(&wordWithInfo);
if (wordWithInfo.british)
isBritish = true;
}
}
m_isBritish[row][col] = isBritish;
}
}
}