QString findMostRecentFileExtension(const QString& originalFileName, QVector<QString> possibleExtensions) {
QString sansExt = fileNameWithoutExtension(originalFileName, possibleExtensions);
QString newestFileName = originalFileName;
QDateTime newestTime = QDateTime::fromMSecsSinceEpoch(0);
foreach (QString possibleExtension, possibleExtensions) {
QString fileName = sansExt + "." + possibleExtension;
QFileInfo fileInfo(fileName);
if (fileInfo.exists() && fileInfo.lastModified() > newestTime) {
newestFileName = fileName;
newestTime = fileInfo.lastModified();
}
}
OctreePersistThread::OctreePersistThread(Octree* tree, const QString& filename, int persistInterval,
bool wantBackup, const QJsonObject& settings, bool debugTimestampNow,
QString persistAsFileType) :
_tree(tree),
_filename(filename),
_persistInterval(persistInterval),
_initialLoadComplete(false),
_loadTimeUSecs(0),
_lastCheck(0),
_wantBackup(wantBackup),
_debugTimestampNow(debugTimestampNow),
_lastTimeDebug(0),
_persistAsFileType(persistAsFileType)
{
parseSettings(settings);
// in case the persist filename has an extension that doesn't match the file type
QString sansExt = fileNameWithoutExtension(_filename, PERSIST_EXTENSIONS);
_filename = sansExt + "." + _persistAsFileType;
}
