//! [24]
void TetrixBoard::removeFullLines()
{
int numFullLines = 0;
for (int i = BoardHeight - 1; i >= 0; --i) {
bool lineIsFull = true;
for (int j = 0; j < BoardWidth; ++j) {
if (shapeAt(j, i) == NoShape) {
lineIsFull = false;
break;
}
}
if (lineIsFull) {
//! [24] //! [25]
++numFullLines;
for (int k = i; k < BoardHeight - 1; ++k) {
for (int j = 0; j < BoardWidth; ++j)
shapeAt(j, k) = shapeAt(j, k + 1);
}
//! [25] //! [26]
for (int j = 0; j < BoardWidth; ++j)
shapeAt(j, BoardHeight - 1) = NoShape;
}
//! [26] //! [27]
}
//! [27]
//! [28]
if (numFullLines > 0) {
numLinesRemoved += numFullLines;
score += 10 * numFullLines;
emit linesRemovedChanged(numLinesRemoved);
emit scoreChanged(score);
timer.start(500, this);
isWaitingAfterLine = true;
curPiece.setShape(NoShape);
update();
}
//! [28] //! [29]
}
void APLValue::print()
{
switch (shape()->length())
{
case 0: // scalar values
std::cout<< at(0);
break;
case 1: // vector values
{
int len = size();
for (int i = 0; i < len; i++)
{
std::cout<< at(i);
}
break;
}
case 2: // matrix values
{
int len1 = shapeAt(0);
int len2 = shapeAt(1);
for (int i = 0; i < len1; i++)
{
for (int j = 0; j < len2; j++)
{
std::cout<< at(i*len2 + j) << ' ';
}
std::cout<< '\n';
}
break;
}
default:
std::cout<< "rank is " << shape()->length() << '\n';
error("unknown rank in apl value printing");
}
}
//! [34]
bool TetrixBoard::tryMove(const TetrixPiece &newPiece, int newX, int newY)
{
for (int i = 0; i < 4; ++i) {
int x = newX + newPiece.x(i);
int y = newY - newPiece.y(i);
if (x < 0 || x >= BoardWidth || y < 0 || y >= BoardHeight)
return false;
if (shapeAt(x, y) != NoShape)
return false;
}
//! [34]
//! [35]
curPiece = newPiece;
curX = newX;
curY = newY;
update();
return true;
}
//! [7]
void TetrixBoard::paintEvent(QPaintEvent *event)
{
QFrame::paintEvent(event);
QPainter painter(this);
QRect rect = contentsRect();
//! [7]
if (isPaused) {
painter.drawText(rect, Qt::AlignCenter, tr("Pause"));
return;
}
//! [8]
int boardTop = rect.bottom() - BoardHeight*squareHeight();
for (int i = 0; i < BoardHeight; ++i) {
for (int j = 0; j < BoardWidth; ++j) {
TetrixShape shape = shapeAt(j, BoardHeight - i - 1);
if (shape != NoShape)
drawSquare(painter, rect.left() + j * squareWidth(),
boardTop + i * squareHeight(), shape);
}
//! [8] //! [9]
}
//! [9]
//! [10]
if (curPiece.shape() != NoShape) {
for (int i = 0; i < 4; ++i) {
int x = curX + curPiece.x(i);
int y = curY - curPiece.y(i);
drawSquare(painter, rect.left() + x * squareWidth(),
boardTop + (BoardHeight - y - 1) * squareHeight(),
curPiece.shape());
}
//! [10] //! [11]
}
//! [11] //! [12]
}
//! [22]
void TetrixBoard::pieceDropped(int dropHeight)
{
for (int i = 0; i < 4; ++i) {
int x = curX + curPiece.x(i);
int y = curY - curPiece.y(i);
shapeAt(x, y) = curPiece.shape();
}
++numPiecesDropped;
if (numPiecesDropped % 25 == 0) {
++level;
timer.start(timeoutTime(), this);
emit levelChanged(level);
}
score += dropHeight + 7;
emit scoreChanged(score);
removeFullLines();
if (!isWaitingAfterLine)
newPiece();
//! [22] //! [23]
}