// Dones't take ownership of "candidate"
int R2RegionCoverer::expandChildren( Candidate* candidate ) {
GeoHash childCells[4];
candidate->cell.subdivide(childCells);
int numTerminals = 0;
for (int i = 0; i < 4; ++i) {
Candidate* child = newCandidate(childCells[i]);
if (child) {
candidate->children[candidate->numChildren++] = child;
if (child->isTerminal) ++numTerminals;
}
}
return numTerminals;
}
void R2RegionCoverer::getInitialCandidates() {
// Add the full plane
// TODO a better initialization.
addCandidate(newCandidate(GeoHash()));
}
void GraphicalBoardFrame::appendHandler(const QString &text, bool shiftPressed)
{
if (!isOnBoard(m_arrowRoot))
return;
if (!hasCandidate())
return;
Quackle::LetterString appendedLetterString(QuackleIO::Util::encode(text));
if (appendedLetterString.length() == 0 || Quackle::String::front(appendedLetterString) < QUACKLE_FIRST_LETTER)
return;
if (shiftPressed)
appendedLetterString = Quackle::String::setBlankness(appendedLetterString);
else
appendedLetterString = Quackle::String::clearBlankness(appendedLetterString);
Quackle::Move newCandidate(m_candidate);
Quackle::LetterString newTiles(m_candidate.tiles() + appendedLetterString);
if (!m_ignoreRack && !m_rack.contains(Quackle::String::usedTiles(newTiles)))
{
Quackle::LetterString blankedNewTiles(m_candidate.tiles() + Quackle::String::setBlankness(appendedLetterString));
if (m_rack.contains(Quackle::String::usedTiles(blankedNewTiles)))
{
newTiles = blankedNewTiles;
}
}
newCandidate.setTiles(newTiles);
Quackle::LetterString hoppedTiles;
QSize currentTile(m_arrowRoot);
while (true)
{
const QSize nextTile = currentTile + arrowVector();
bool stopHere = false;
bool resetArrowAfter = false;
if (!isOnBoard(nextTile))
{
stopHere = true;
}
else
{
Quackle::Board::TileInformation nextTileInformation(m_board.tileInformation(nextTile.height(), nextTile.width()));
if (nextTileInformation.tileType != Quackle::Board::LetterTile)
stopHere = true;
}
if (stopHere)
{
newCandidate.setTiles(newCandidate.tiles() + hoppedTiles);
if (resetArrowAfter)
resetArrow();
else
m_arrowRoot = nextTile;
break;
}
hoppedTiles += QUACKLE_PLAYED_THRU_MARK;
currentTile = nextTile;
}
prettifyAndSetLocalCandidate(newCandidate);
}
