private void convertMapFormat(String par1Str, String par2Str)
{
loadingScreen.printText((new StringBuilder()).append("Converting World to ").append(saveLoader.getFormatName()).toString());
loadingScreen.displayLoadingString("This may take a while :)");
saveLoader.convertMapFormat(par1Str, loadingScreen);
startWorld(par1Str, par2Str, new WorldSettings(0L, 0, true, false, WorldType.DEFAULT));
}