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[qcross] added saving/loading game support

This commit is contained in:
Oliver Groß 2012-02-28 13:14:02 +01:00
parent 627f73c31f
commit 573e2dd6b6
2 changed files with 106 additions and 41 deletions
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140
qcross/cgamewindow.cpp
View File

@ -77,16 +77,18 @@ namespace qcross {
currentMenu = menuBar()->addMenu(tr("&Game"));
currentMenu->addAction(tr("&New..."), this, SLOT(newGame()), Qt::CTRL + Qt::Key_N);
currentMenu->addSeparator();
currentMenu->addAction(tr("&Save..."), this, SLOT(saveGame()), Qt::CTRL + Qt::Key_N);
m_SaveGameAction = currentMenu->addAction(tr("&Save..."), this, SLOT(saveGame()), Qt::CTRL + Qt::Key_N);
m_SaveGameAction->setEnabled(false);
currentMenu->addAction(tr("&Load..."), this, SLOT(loadGame()), Qt::CTRL + Qt::Key_N);
currentMenu->addSeparator();
m_RestartGameAction = currentMenu->addAction(tr("&Restart"), this, SLOT(restartGame()), Qt::CTRL + Qt::Key_R);
m_RestartGameAction->setEnabled(false);
m_PauseGameAction = currentMenu->addAction(tr("&Pause"));
connect(m_PauseGameAction, SIGNAL(toggled(bool)), this, SLOT(pauseGame(bool)));
m_PauseGameAction->setShortcut(Qt::CTRL + Qt::Key_P);
m_PauseGameAction->setCheckable(true);
m_PauseGameAction->setEnabled(false);
m_PauseGameAction->setCheckable(true);
m_PauseGameAction->setChecked(true);
m_PauseGameAction->setShortcut(Qt::CTRL + Qt::Key_P);
connect(m_PauseGameAction, SIGNAL(toggled(bool)), this, SLOT(pauseGame(bool)));
currentMenu->addSeparator();
currentMenu->addAction(tr("&Quit"), this, SLOT(close()), Qt::CTRL + Qt::Key_Q);
currentMenu->addSeparator();
@ -101,6 +103,76 @@ namespace qcross {
currentMenu->addAction(tr("About &Qt"), qApp, SLOT(aboutQt()));
}
const char magicSaveGameHeader[] = {'C', 'R', 'S', 'V'};
bool CGameWindow::readSaveGame(QDataStream & stream) {
QString stringBuffer;
qint32 intBuffer;
QSize sizeBuffer;
// picture index
stream >> intBuffer; qDebug("picture index = %i", m_PictureIndex);
if (stream.atEnd()) {
qCritical("invalid savegame");
return false;
}
m_PictureIndex = intBuffer;
// package name
if (m_PictureIndex > -1) {
stream >> stringBuffer; qDebug("package name = %s", qPrintable(stringBuffer));
if (stream.atEnd()) {
qCritical("invalid savegame");
return false;
}
m_PackageName = stringBuffer;
stream >> stringBuffer; qDebug("highscoreFileName = %s", qPrintable(stringBuffer));
if (stream.atEnd()) {
qCritical("invalid savegame");
return false;
}
if (m_Highscore)
delete m_Highscore;
m_Highscore = new CHighscore(0);
m_Highscore->setFileName(QCROSS_STRING_DATAPATH + QDir::separator() + stringBuffer);
m_Highscore->open();
}
// picture
if (m_Picture)
delete m_Picture;
m_Picture = new CNonogram();
if (!m_Picture->readFromStream(stream)) {
qCritical("invalid savegame");
return false;
}
// TODO handle save game porting properly
// TODO check for matching nonogram
m_Field->setPicture(m_Picture);
m_Field->applyState(stream);
return true;
}
void CGameWindow::writeSaveGame(QDataStream & stream) {
// picture index
stream << qint32(m_PictureIndex);
if (m_PictureIndex > -1) {
stream << m_PackageName;
stream << m_Highscore->fileName().section(QDir::separator(), -1);
}
m_Picture->writeToStream(stream);
m_Field->dumpState(stream);
}
void CGameWindow::newGame() {
bool notPaused = !m_Field->isPaused();
if (notPaused)
@ -112,6 +184,7 @@ namespace qcross {
delete m_Highscore;
m_Highscore = dialog.takeHighscore();
m_PackageName = dialog.selectedPackage()->name();
m_PictureIndex = m_Highscore ? dialog.nonogramIndex() : -1;
CNonogram * newPicture = dialog.takeNonogram();
@ -134,9 +207,11 @@ namespace qcross {
pauseGame(false);
}
const char magicSaveGameHeader[] = {'C', 'R', 'S', 'V'};
void CGameWindow::saveGame() {
if (!m_Picture)
return;
if (!m_Field->isPaused())
m_PauseGameAction->setChecked(true);
@ -151,13 +226,10 @@ namespace qcross {
QDataStream out(&file);
out.setVersion(QDataStream::Qt_4_0);
out.writeRawData(magicSaveGameHeader, 4);
out << int(-1); // debug: m_PicutreIndex
out << *m_Picture;
m_Field->dumpState(out);
if (out.writeRawData(magicSaveGameHeader, 4) == -1)
qDebug("could not write magic save game header");
else
writeSaveGame(out);
m_PauseGameAction->setChecked(false);
}
@ -180,42 +252,30 @@ namespace qcross {
char magicHeader[4];
in.readRawData(magicHeader, 4);
qDebug("checking magic header");
qDebug("checking magic savegame header");
for (int i = 0; i < 4; i++) {
if (magicHeader[i] != magicSaveGameHeader[i])
return;
}
// picture index
in >> m_PictureIndex; qDebug("m_PictureIndex = %i", m_PictureIndex);
// delete current highscore
if (m_Highscore)
delete m_Highscore;
// package name
if (m_PictureIndex > -1) {
QString highscoreFileName, packageName;
in >> packageName; qDebug("packageName = %s", qPrintable(packageName));
in >> highscoreFileName; qDebug("highscoreFileName = %s", qPrintable(highscoreFileName));
if (readSaveGame(in)) {
m_PauseGameAction->setEnabled(true);
}
else {
m_Field->setPicture(NULL);
m_PictureIndex = -1;
// TODO handle save game porting correctly
m_Highscore = new CHighscore(0);
m_Highscore->setFileName(QCROSS_STRING_DATAPATH + QDir::separator() + highscoreFileName);
m_Highscore->open();
if (m_Picture) {
delete m_Picture;
m_Picture = NULL;
}
if (m_Highscore) {
delete m_Highscore;
m_Highscore = NULL;
}
}
// picture
CNonogram * newPicture = new CNonogram(in);
m_Field->setPicture(newPicture);
if (m_Picture)
delete m_Picture;
m_Picture = newPicture;
m_Field->applyState(in);
m_PauseGameAction->setEnabled(true);
m_PauseGameAction->setChecked(false);
}

7
qcross/cgamewindow.h
View File

@ -46,14 +46,19 @@ namespace qcross {
CCrossFieldWidget * m_Field;
libqnono::CNonogram * m_Picture;
CHighscore * m_Highscore;
QString m_PackageName;
int m_PictureIndex;
CHighscore * m_Highscore;
QAction * m_SaveGameAction;
QAction * m_RestartGameAction;
QAction * m_PauseGameAction;
void createActions();
bool readSaveGame(QDataStream & stream);
void writeSaveGame(QDataStream & stream);
protected slots:
void newGame();