sub new{
	my $class = shift;

	my %conf = validate_conf( @_ );

	return bless {
				%conf
	}, $class;
}


sub validate_conf{
	my %conf = @_;
	
	$conf{ map_colors } //= 16;
	$conf{ map_area_w } //= 50; 
	$conf{ map_area_h } //=  20; 
	
	# more logic if needed..
	return %conf;
	
}