/**
* Saves current minefield to file for debugging purposes.
* @param filePath Filename, where the minefield will be saved.
*/
void saveCurrentMinefieldState(String filePath) {
MineSweeperData data = new MineSweeperData();
data.mRealContent = mRealMinefield;
data.mViewedContent = mViewedMinefield;
MinesUtils.saveMinefieldToFileSafely(data, filePath);
}