//
// e x t r a c t S t r i n g
//
bool DinoLineBuffer::extractString(const DinoLineBufferPosition &startPosition,
const DinoLineBufferPosition &endPosition,
char *targetString){
// StartPosition invalid, probably because the line of the startPosition
// has already been overwritten, i.e. the string is too long
if (!isValidPosition(startPosition))
{
ogdf::strcpy(targetString, DinoLineBuffer::c_maxStringLength, "String too long!");
return false;
}
// EndPosition must be valid
OGDF_ASSERT(isValidPosition(endPosition))
// Remember original currentPosition
DinoLineBufferPosition originalCurrentPosition = getCurrentPosition();
// Begin at startPosition
setCurrentPosition(startPosition);
// Copy characters to tempString
int targetStringIndex = 0;
while (getCurrentPosition() != endPosition)
{
// Check if eof
OGDF_ASSERT(getCurrentCharacter() != EOF)
// Put character into targetString
targetString[targetStringIndex] = getCurrentCharacter();
++targetStringIndex;
// String too long
if (targetStringIndex >= DinoLineBuffer::c_maxStringLength - 1){
ogdf::strcpy(targetString, DinoLineBuffer::c_maxStringLength, "String too long!");
// Set back the original current position
setCurrentPosition(originalCurrentPosition);
return false;
}
// Move to next character
moveToNextCharacter();
} // Copy characters to tempString
// Set back the original current position
setCurrentPosition(originalCurrentPosition);
// Terminate string
targetString[targetStringIndex] = '\0';
return true;
} // extractString
bool MapCollision::smallStep(float &x, float &y, float step_x, float step_y, int movement_type, int collide_type) {
if (isValidPosition(x + step_x, y + step_y, movement_type, collide_type)) {
x += step_x;
y += step_y;
assert(isValidPosition(x,y,movement_type, collide_type));
return true;
}
else {
return false;
}
}
// Moves a piece from <f> to <t>. If any position is invalid or there is a friend
// there, returns false since the movement can't be made.
bool State::move(ii f, ii t)
{
if (!isValidPosition(f) || !isValidPosition(t) || f == t)
return false;
if (foundFriend(t))
return false;
board[t.first*8 + t.second] = board[f.first*8 + f.second];
board[f.first*8 + f.second] = '.';
#ifdef DEBUG
assert(f != t);
#endif
this->lastMove = make_pair(f,t);
return true;
}
/*!
*/
void GridItem::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
{
if (!m_ballSelected) {
event->ignore();
return;
}
GridPos pt;
fromViewToGridCoordinate(event->pos(), pt);
if (isValidPosition(pt) && isFreePos(pt) && (pt != m_beginPos)) {
m_pathTracker.clear();
QVector<GridPos>& path = m_pathTracker.path();
bool found = PathFinder::instance()->execute(this, m_beginPos, pt, path);
if (found && (path.count() >= 2)) {
int n = path.count();
for (int i = 0; i < n-1; ++i) {
QPoint pt1;
fromGridToCenteredCoordinate(path.at(i), pt1);
QPoint pt2;
fromGridToCenteredCoordinate(path.at(i+1), pt2);
m_pathTracker.addLine(pt1, pt2);
}
update(); // repaint the grid
}
}
}
bool MapCollision::smallStepForcedSlideAlongGrid(float &x, float &y, float step_x, float step_y, int movement_type, int collide_type) {
if (isValidPosition(x + step_x, y, movement_type, collide_type)) { // slide along wall
if (step_x == 0) return true;
x += step_x;
assert(isValidPosition(x,y,movement_type, collide_type));
}
else if (isValidPosition(x, y + step_y, movement_type, collide_type)) {
if (step_y == 0) return true;
y += step_y;
assert(isValidPosition(x,y,movement_type, collide_type));
}
else {
return false;
}
return true;
}
/*!
* Displays the ball item in a given location onto the grid.
*/
void GridItem::showBall(BallItem *ball, int row, int col, bool updateInternalStruct)
{
if (!ball) {
qDebug() << "GridItem::showBall(...): pointer to the ball item is NULL";
return;
}
Q_ASSERT(isValidPosition(row, col));
ball->setCoordinates(row, col);
if (!ball->isVisible()) {
ball->setVisible(true);
}
if (updateInternalStruct) {
m_balls[row][col] = ball;
// available to used
BallItemsProvider::instance()->fromAvailableToUsed(ball->coordinates());
//
}
QPoint pt;
fromGridToCenteredCoordinate(row, col, pt);
ball->setPos(pt.x(), pt.y());
}
void ConcreteProblem::getSolutionStepsAroundCell(const CellPtr cellPtr, AbstractSolutionStepPtrs& solutionStepPtrs) const{
integer row1 = cellPtr->row;
integer column1 = cellPtr->column;
SolutionStepPoolPtr solutionStepPoolPtr = SolutionStepPool::getInstance();
if (isValidPosition(row1, column1 + 1)) {
solutionStepPtrs.push_back(solutionStepPoolPtr->getSolutionStepPtr(row1, column1, HORIZONTAL));
}
if (isValidPosition(row1, column1 - 1)) {
solutionStepPtrs.push_back(solutionStepPoolPtr->getSolutionStepPtr(row1, column1 - 1, HORIZONTAL));
}
if (isValidPosition(row1 + 1, column1)) {
solutionStepPtrs.push_back(solutionStepPoolPtr->getSolutionStepPtr(row1, column1, VERTICAL));
}
if (isValidPosition(row1 - 1, column1)) {
solutionStepPtrs.push_back(solutionStepPoolPtr->getSolutionStepPtr(row1 - 1, column1, VERTICAL));
}
}
const Piece* ChessBoardModel::cell(QPoint p) const
{
if(!isValidPosition(p))
{
return NULL;
}
return cells_[p.x() + p.y() * 8];
}
/*!
*/
void GridItem::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
{
if (!m_ballSelected) {
event->ignore();
return;
}
GridPos pt;
fromViewToGridCoordinate(event->pos(), pt);
if (m_beginPos == pt) {
m_ballSelected = false;
selectBall(pt, false);
// clear the path tracker and repaint the grid
m_pathTracker.clear();
update();
//
} else if (isValidPosition(pt) && isFreePos(pt)) {
QVector<GridPos>& path = m_pathTracker.path();
if (!path.isEmpty()) {
// have we moved onto a square occupied by a hint ball ? if we have then a new set of the hint balls
// needs to be generated.
BallItem *ball = ballAt(path.back());
bool enforceHintBalls = (ball && ball->isHint());
//
moveBall(ballAt(m_beginPos), path);
// unselect the moving ball
ball = ballAt(path.back());
ball->select(false);
m_ballSelected = false;
// searches for the lines of the same ball items that have the same colours.
checkLines(ball);
// do we have more available positions ? if we do then proceed with a new set of ball items.
if (!BallItemsProvider::instance()->availableIndexes().isEmpty()) {
// get the next set of balls
const QList<BallItem*> ¤tBalls = BallItemsProvider::instance()->nextBalls(enforceHintBalls);
// searches for the lines of the same ball items that have the same colours.
checkLines(currentBalls);
}
// even more available positions ? if not then quit or reset the game.
if (BallItemsProvider::instance()->availableIndexes().isEmpty()){
if (promptForGameEnd()) {
QCoreApplication::quit();
} else {
MainWidget::instance()->boardView()->reset();
}
}
}
}
}
bool MapBlock::isValidPositionParent(v3s16 p)
{
if(isValidPosition(p))
{
return true;
}
else{
return m_parent->isValidPosition(getPosRelative() + p);
}
}
// Function that determines if there is a FOE in some position of the board.
bool State::foundFoe (ii pos) const
{
if (!isValidPosition(pos)) return false;
if ((isupper(board[pos.first*8 + pos.second]) && ourTeam == BLACK)
|| (islower(board[pos.first*8+pos.second]) && ourTeam == WHITE))
return true;
else
return false;
}
//
// s e t C u r r e n t P o s i t i o n
//
bool DinoLineBuffer::setCurrentPosition(const DinoLineBufferPosition &newPosition){
// Given positon is not valid
if (!isValidPosition(newPosition))
{
return false;
}
m_currentPosition = newPosition;
return true;
} // setCurrentPosition
MapNode MapBlock::getNodeParent(v3s16 p)
{
if(isValidPosition(p) == false)
{
return m_parent->getNode(getPosRelative() + p);
}
else
{
if(data == NULL)
throw InvalidPositionException();
return data[p.Z*MAP_BLOCKSIZE*MAP_BLOCKSIZE + p.Y*MAP_BLOCKSIZE + p.X];
}
}
QList <CandItem> EbMenu::topMenu()
{
EB_Position pos = menu();
if (!isValidPosition(pos)) {
QList<CandItem> i;
return i;
}
QString t;
return candidate(pos, &t);
}
void MapBlock::setNodeParent(v3s16 p, MapNode & n)
{
if(isValidPosition(p) == false)
{
m_parent->setNode(getPosRelative() + p, n);
}
else
{
if(data == NULL)
throw InvalidPositionException();
data[p.Z*MAP_BLOCKSIZE*MAP_BLOCKSIZE + p.Y*MAP_BLOCKSIZE + p.X] = n;
}
}
MapNode MapBlock::getNodeParent(v3s16 p, bool *is_valid_position)
{
if (isValidPosition(p) == false)
return m_parent->getNodeNoEx(getPosRelative() + p, is_valid_position);
if (!data) {
if (is_valid_position)
*is_valid_position = false;
return MapNode(CONTENT_IGNORE);
}
if (is_valid_position)
*is_valid_position = true;
return data[p.Z * zstride + p.Y * ystride + p.X];
}
MapNode MapBlock::getNodeParent(v3s16 p, bool *is_valid_position)
{
if (isValidPosition(p) == false)
return m_parent->getNodeNoEx(getPosRelative() + p, is_valid_position);
if (data == NULL) {
if (is_valid_position)
*is_valid_position = false;
return MapNode(CONTENT_IGNORE);
}
if (is_valid_position)
*is_valid_position = true;
return data[p.Z*MAP_BLOCKSIZE*MAP_BLOCKSIZE + p.Y*MAP_BLOCKSIZE + p.X];
}
bool MapCollision::smallStepForcedSlide(float &x, float &y, float step_x, float step_y, int movement_type, int collide_type) {
// is there a singular obstacle or corner we can step around?
// only works if we are moving straight
const float epsilon = 0.01f;
if (step_x != 0) {
assert(step_y == 0);
float dy = y - floorf(y);
if (isValidTile(int(x), int(y) + 1, movement_type, collide_type)
&& isValidTile(int(x) + sgn(step_x), int(y) + 1, movement_type, collide_type)
&& dy > 0.5) {
y += std::min(1 - dy + epsilon, float(fabs(step_x)));
}
else if (isValidTile(int(x), int(y) - 1, movement_type, collide_type)
&& isValidTile(int(x) + sgn(step_x), int(y) - 1, movement_type, collide_type)
&& dy < 0.5) {
y -= std::min(dy + epsilon, float(fabs(step_x)));
}
else {
return false;
}
assert(isValidPosition(x,y,movement_type, collide_type));
}
else if (step_y != 0) {
assert(step_x == 0);
float dx = x - floorf(x);
if (isValidTile(int(x) + 1, int(y), movement_type, collide_type)
&& isValidTile(int(x) + 1, int(y) + sgn(step_y), movement_type, collide_type)
&& dx > 0.5) {
x += std::min(1 - dx + epsilon, float(fabs(step_y)));
}
else if (isValidTile(int(x) - 1, int(y), movement_type, collide_type)
&& isValidTile(int(x) - 1, int(y) + sgn(step_y), movement_type, collide_type)
&& dx < 0.5) {
x -= std::min(dx + epsilon, float(fabs(step_y)));
}
else {
return false;
}
}
else {
assert(false);
}
return true;
}
/**
* Given a target, trys to return one of the 8+ adjacent tiles
* Returns the retargeted position on success, returns the original position on failure
*/
FPoint MapCollision::getRandomNeighbor(const Point& target, int range, bool ignore_blocked) {
FPoint new_target(target);
std::vector<FPoint> valid_tiles;
for (int i=-range; i<=range; i++) {
for (int j=-range; j<=range; j++) {
if (i == 0 && j == 0) continue; // skip the middle tile
new_target.x = static_cast<float>(target.x + i) + 0.5f;
new_target.y = static_cast<float>(target.y + j) + 0.5f;
if (isValidPosition(new_target.x, new_target.y, MOVE_NORMAL, COLLIDE_NORMAL) || ignore_blocked)
valid_tiles.push_back(new_target);
}
}
if (!valid_tiles.empty())
return valid_tiles[rand() % valid_tiles.size()];
else
return FPoint(target);
}
/**
* Does not have the "slide" submovement that move() features
* Line can be arbitrary angles.
*/
bool MapCollision::lineCheck(const float& x1, const float& y1, const float& x2, const float& y2, int check_type, int movement_type) {
float x = x1;
float y = y1;
float dx = static_cast<float>(fabs(x2 - x1));
float dy = static_cast<float>(fabs(y2 - y1));
float step_x;
float step_y;
int steps = static_cast<int>(std::max(dx, dy));
if (dx > dy) {
step_x = 1;
step_y = dy / dx;
}
else {
step_y = 1;
step_x = dx / dy;
}
// fix signs
if (x1 > x2) step_x = -step_x;
if (y1 > y2) step_y = -step_y;
if (check_type == CHECK_SIGHT) {
for (int i=0; i<steps; i++) {
x += step_x;
y += step_y;
if (isWall(x, y))
return false;
}
}
else if (check_type == CHECK_MOVEMENT) {
for (int i=0; i<steps; i++) {
x += step_x;
y += step_y;
if (!isValidPosition(x, y, movement_type, COLLIDE_NORMAL))
return false;
}
}
return true;
}
void solve( int nQueensSize, solution_list_t *solutions, int *numberOfSolutions, solution_t workingSolution, int currentColumn) {
int row = 0;
if(currentColumn == nQueensSize) {
copyToSolutions(solutions, numberOfSolutions, workingSolution, nQueensSize);
return;
}
for(row = 0; row < nQueensSize; row++) {
workingSolution[currentColumn] = row;
if(isValidPosition(workingSolution, currentColumn)) {
solve(nQueensSize, solutions, numberOfSolutions, workingSolution, currentColumn+1);
}
}
return;
}
MapNode MapBlock::getNodeParentNoEx(v3s16 p)
{
if(isValidPosition(p) == false)
{
try{
return m_parent->getNode(getPosRelative() + p);
}
catch(InvalidPositionException &e)
{
return MapNode(CONTENT_IGNORE);
}
}
else
{
if(data == NULL)
{
return MapNode(CONTENT_IGNORE);
}
return data[p.Z*MAP_BLOCKSIZE*MAP_BLOCKSIZE + p.Y*MAP_BLOCKSIZE + p.X];
}
}
MapNode MapBlock::getNodeParent(v3s16 p, bool *is_valid_position)
{
if (isValidPosition(p) == false)
return m_parent->getNodeTry(getPosRelative() + p);
if (data == NULL) {
if (is_valid_position)
*is_valid_position = false;
return MapNode(CONTENT_IGNORE);
}
auto lock = try_lock_shared_rec();
if (!lock->owns_lock()) {
if (is_valid_position)
*is_valid_position = false;
return MapNode(CONTENT_IGNORE);
}
if (is_valid_position)
*is_valid_position = true;
return data[p.Z*MAP_BLOCKSIZE*MAP_BLOCKSIZE + p.Y*MAP_BLOCKSIZE + p.X];
}
virtual void setNode(v3s16 p, MapNode & n)
{
if(isValidPosition(p) == false)
throw InvalidPositionException();
};
virtual MapNode getNode(v3s16 p)
{
if(isValidPosition(p) == false)
throw InvalidPositionException();
return node;
}
void VisibleSelection::validatePositionsIfNeeded()
{
if (!isValidPosition(m_base) || !isValidPosition(m_extent) || !isValidPosition(m_start) || !isValidPosition(m_end))
validate();
}
int isValidMove(Pilot *p,Pilot *np,Map *m)
{
if(!isValidPosition(np,m)) return 0;
if(m->cell[p->pos->x][p->pos->y]=='~' && vectNorm(np->speed)>1) return 0;
return 1;
}
