/* solving it ugly because the fileformat changed... */
Matcher matcher;
String line = br.readLine();
matcher = Pattern.compile("([0-9]+)\\s([0-9]+)").matcher(line);
if(matcher.find()){
	height = Integer.parseInt(matcher.group(1));
	width = Integer.parseInt(matcher.group(2));
}else{
	Pattern pattern = Pattern.compile("([0-9]+)");
	matcher = pattern.matcher(line);
	if(matcher.find()) width = Integer.parseInt(matcher.group(1));
	line = br.readLine();
	matcher = pattern.matcher(line);
	if(matcher.find()) height = Integer.parseInt(matcher.group(1));
	if(height == 0 || width == 0){
		System.err.format("Invalid file, unable to read the map size.\n");
		System.exit(-2);
	}
}