From Ralph Churchill, a new weather plugin using the new XML format rather

than METAR! Yay, goodbye ugly METAR parser :)
Also, a wow plugin, as requested by various folks, for checking realm status
:)

2 files changed, 188 insertions, 601 deletions

diff --git a/data/rbot/plugins/weather.rb b/data/rbot/plugins/weather.rb
index f2c3e368..3570aa8e 100644
--- a/data/rbot/plugins/weather.rb
+++ b/data/rbot/plugins/weather.rb
@@ -1,605 +1,68 @@
-# This is nasty-ass. I hate writing parsers.
-class Metar
-  attr_reader :decoded
-  attr_reader :input
-  attr_reader :date
-  attr_reader :nodata
-  def initialize(string)
-    str = nil
-    @nodata = false
-    string.each_line {|l|
-      if str == nil
-        # grab first line (date)
-        @date = l.chomp.strip
-        str = ""
-      else
-        if(str == "")
-          str = l.chomp.strip
-        else
-          str += " " + l.chomp.strip
+#
+# Weather plugin for rbot
+# by MrChucho (mrchucho@mrchucho.net)
+# Copyright (C) 2006 Ralph M. Churchill
+#
+require 'open-uri'
+require 'rexml/document'
+
+class CurrentConditions
+    def initialize(station)
+        @station = station
+        @url = "http://www.nws.noaa.gov/data/current_obs/#{@station.upcase}.xml"
+        @etag = String.new
+        @mtime = Time.mktime(0)
+        @current_conditions = String.new
+        @iscached = false
+    end
+    def update
+        begin
+            open(@url,"If-Modified-Since" => @mtime.rfc2822) do |feed|
+            # open(@url,"If-None-Match"=>@etag) do |feed|
+                @etag = feed.meta['etag']
+                @mtime = feed.last_modified
+                cc_doc = (REXML::Document.new feed).root
+                @iscached = false
+                @current_conditions = parse(cc_doc)
+            end
+        rescue OpenURI::HTTPError => e
+            case e
+            when /304/:
+                @iscached = true
+            when /404/:
+                raise "Data for #{@station} not found"
+            else
+                raise "Error retrieving data: #{e}"
+            end
         end
-      end
-    }
-    if @date && @date =~ /^(\d+)\/(\d+)\/(\d+) (\d+):(\d+)$/
-      # 2002/02/26 05:00
-      @date = Time.gm($1, $2, $3, $4, $5, 0)
-    else
-      @date = Time.now
-    end
-    @input = str.chomp
-    @cloud_layers = 0
-    @cloud_coverage = {
-      'SKC' => '0',
-      'CLR' => '0',
-      'VV'  => '8/8',
-      'FEW' => '1/8 - 2/8',
-      'SCT' => '3/8 - 4/8',
-      'BKN' => '5/8 - 7/8',
-      'OVC' => '8/8'
-    }
-    @wind_dir_texts = [
-      'North',
-      'North/Northeast',
-      'Northeast',
-      'East/Northeast',
-      'East',
-      'East/Southeast',
-      'Southeast',
-      'South/Southeast',
-      'South',
-      'South/Southwest',
-      'Southwest',
-      'West/Southwest',
-      'West',
-      'West/Northwest',
-      'Northwest',
-      'North/Northwest',
-      'North'
-    ]
-    @wind_dir_texts_short = [
-      'N',
-      'N/NE',
-      'NE',
-      'E/NE',
-      'E',
-      'E/SE',
-      'SE',
-      'S/SE',
-      'S',
-      'S/SW',
-      'SW',
-      'W/SW',
-      'W',
-      'W/NW',
-      'NW',
-      'N/NW',
-      'N'
-    ]
-    @weather_array = {
-      'MI' => 'Mild ',
-      'PR' => 'Partial ',
-      'BC' => 'Patches ',
-      'DR' => 'Low Drifting ',
-      'BL' => 'Blowing ',
-      'SH' => 'Shower(s) ',
-      'TS' => 'Thunderstorm ',
-      'FZ' => 'Freezing',
-      'DZ' => 'Drizzle ',
-      'RA' => 'Rain ',
-      'SN' => 'Snow ',
-      'SG' => 'Snow Grains ',
-      'IC' => 'Ice Crystals ',
-      'PE' => 'Ice Pellets ',
-      'GR' => 'Hail ',
-      'GS' => 'Small Hail and/or Snow Pellets ',
-      'UP' => 'Unknown ',
-      'BR' => 'Mist ',
-      'FG' => 'Fog ',
-      'FU' => 'Smoke ',
-      'VA' => 'Volcanic Ash ',
-      'DU' => 'Widespread Dust ',
-      'SA' => 'Sand ',
-      'HZ' => 'Haze ',
-      'PY' => 'Spray',
-      'PO' => 'Well-Developed Dust/Sand Whirls ',
-      'SQ' => 'Squalls ',
-      'FC' => 'Funnel Cloud Tornado Waterspout ',
-      'SS' => 'Sandstorm/Duststorm '
-    }
-    @cloud_condition_array = {
-      'SKC' => 'clear',
-      'CLR' => 'clear',
-      'VV'  => 'vertical visibility',
-      'FEW' => 'a few',
-      'SCT' => 'scattered',
-      'BKN' => 'broken',
-      'OVC' => 'overcast'
-    }
-    @strings = {
-      'mm_inches'             => '%s mm (%s inches)',
-      'precip_a_trace'        => 'a trace',
-      'precip_there_was'      => 'There was %s of precipitation ',
-      'sky_str_format1'       => 'There were %s at a height of %s meters (%s feet)',
-      'sky_str_clear'         => 'The sky was clear',
-      'sky_str_format2'       => ', %s at a height of %s meter (%s feet) and %s at a height of %s meters (%s feet)',
-      'sky_str_format3'       => ' and %s at a height of %s meters (%s feet)',
-      'clouds'                => ' clouds',
-      'clouds_cb'             => ' cumulonimbus clouds',
-      'clouds_tcu'            => ' towering cumulus clouds',
-      'visibility_format'     => 'The visibility was %s kilometers (%s miles).',
-      'wind_str_format1'      => 'blowing at a speed of %s meters per second (%s miles per hour)',
-      'wind_str_format2'      => ', with gusts to %s meters per second (%s miles per hour),',
-      'wind_str_format3'      => ' from the %s',
-      'wind_str_calm'         => 'calm',
-      'precip_last_hour'      => 'in the last hour. ',
-      'precip_last_6_hours'   => 'in the last 3 to 6 hours. ',
-      'precip_last_24_hours'  => 'in the last 24 hours. ',
-      'precip_snow'           => 'There is %s mm (%s inches) of snow on the ground. ',
-      'temp_min_max_6_hours'  => 'The maximum and minimum temperatures over the last 6 hours were %s and %s degrees Celsius (%s and %s degrees Fahrenheit).',
-      'temp_max_6_hours'      => 'The maximum temperature over the last 6 hours was %s degrees Celsius (%s degrees Fahrenheit). ',
-      'temp_min_6_hours'      => 'The minimum temperature over the last 6 hours was %s degrees Celsius (%s degrees Fahrenheit). ',
-      'temp_min_max_24_hours' => 'The maximum and minimum temperatures over the last 24 hours were %s and %s degrees Celsius (%s and %s degrees Fahrenheit). ',
-      'light'                 => 'Light ',
-      'moderate'              => 'Moderate ',
-      'heavy'                 => 'Heavy ',
-      'mild'                  => 'Mild ',
-      'nearby'                => 'Nearby ',
-      'current_weather'       => 'Current weather is %s. ',
-      'pretty_print_metar'    => '%s on %s, the wind was %s at %s. The temperature was %s degrees Celsius (%s degrees Fahrenheit), and the pressure was %s hPa (%s inHg). The relative humidity was %s%%. %s %s %s %s %s'
-    }
-
-    parse
-  end
-
-  def store_speed(value, windunit, meterspersec, knots, milesperhour)
-    # Helper function to convert and store speed based on unit.
-    # &$meterspersec, &$knots and &$milesperhour are passed on
-    # reference
-    if (windunit == 'KT')
-      # The windspeed measured in knots:
-      @decoded[knots] = sprintf("%.2f", value)
-      # The windspeed measured in meters per second, rounded to one decimal place:
-      @decoded[meterspersec] = sprintf("%.2f", value.to_f * 0.51444)
-      # The windspeed measured in miles per hour, rounded to one decimal place: */
-      @decoded[milesperhour] = sprintf("%.2f", value.to_f * 1.1507695060844667)
-    elsif (windunit == 'MPS')
-      # The windspeed measured in meters per second:
-      @decoded[meterspersec] = sprintf("%.2f", value)
-      # The windspeed measured in knots, rounded to one decimal place:
-      @decoded[knots] = sprintf("%.2f", value.to_f / 0.51444)
-      #The windspeed measured in miles per hour, rounded to one decimal place:
-      @decoded[milesperhour] = sprintf("%.1f", value.to_f / 0.51444 * 1.1507695060844667)
-    elsif (windunit == 'KMH')
-      # The windspeed measured in kilometers per hour:
-      @decoded[meterspersec] = sprintf("%.1f", value.to_f * 1000 / 3600)
-      @decoded[knots] = sprintf("%.1f", value.to_f * 1000 / 3600 / 0.51444)
-      # The windspeed measured in miles per hour, rounded to one decimal place:
-      @decoded[milesperhour] = sprintf("%.1f", knots.to_f * 1.1507695060844667)
+        @current_conditions # +" Cached? "+ ((@iscached) ? "Y" : "N")
     end
-  end
-  
-  def parse
-    @decoded = Hash.new
-    puts @input
-    @input.split(" ").each {|part|
-      if (part == 'METAR')
-        # Type of Report: METAR
-        @decoded['type'] = 'METAR'
-      elsif (part == 'SPECI')
-        # Type of Report: SPECI
-        @decoded['type'] = 'SPECI'
-      elsif (part == 'AUTO')
-        # Report Modifier: AUTO
-        @decoded['report_mod'] = 'AUTO'
-      elsif (part == 'NIL')
-        @nodata = true
-      elsif (part =~ /^\S{4}$/ && ! (@decoded.has_key?('station')))
-        # Station Identifier
-        @decoded['station'] = part
-      elsif (part =~ /([0-9]{2})([0-9]{2})([0-9]{2})Z/)
-        # ignore this bit, it's useless without month/year. some of these
-        # things are hideously out of date.
-        # now = Time.new
-        # time = Time.gm(now.year, now.month, $1, $2, $3, 0)
-        # Date and Time of Report
-        # @decoded['time'] = time
-      elsif (part == 'COR')
-        # Report Modifier: COR
-        @decoded['report_mod'] = 'COR'
-      elsif (part =~ /([0-9]{3}|VRB)([0-9]{2,3}).*(KT|MPS|KMH)/)
-        # Wind Group
-        windunit = $3
-        # now do ereg to get the actual values
-        part =~ /([0-9]{3}|VRB)([0-9]{2,3})((G[0-9]{2,3})?#{windunit})/
-        if ($1 == 'VRB')
-          @decoded['wind_deg'] = 'variable directions'
-          @decoded['wind_dir_text'] = 'variable directions'
-          @decoded['wind_dir_text_short'] = 'VAR'
-        else
-          @decoded['wind_deg'] = $1
-          @decoded['wind_dir_text'] = @wind_dir_texts[($1.to_i/22.5).round]
-          @decoded['wind_dir_text_short'] = @wind_dir_texts_short[($1.to_i/22.5).round]
-        end
-        store_speed($2, windunit,
-                    'wind_meters_per_second',
-                    'wind_knots',
-                    'wind_miles_per_hour')
-
-        if ($4 != nil)
-          # We have a report with information about the gust.
-          # First we have the gust measured in knots
-    if ($4 =~ /G([0-9]{2,3})/)
-          store_speed($1,windunit,
-                      'wind_gust_meters_per_second',
-                      'wind_gust_knots',
-                      'wind_gust_miles_per_hour')
-    end
-        end
-      elsif (part =~ /([0-9]{3})V([0-9]{3})/)
-        #  Variable wind-direction
-        @decoded['wind_var_beg'] = $1
-        @decoded['wind_var_end'] = $2
-      elsif (part == "9999")
-        # A strange value. When you look at other pages you see it
-        # interpreted like this (where I use > to signify 'Greater
-        # than'):
-        @decoded['visibility_miles'] = '>7';
-        @decoded['visibility_km']    = '>11.3';
-      elsif (part =~ /^([0-9]{4})$/)
-        # Visibility in meters (4 digits only)
-        # The visibility measured in kilometers, rounded to one decimal place.
-        @decoded['visibility_km'] = sprintf("%.1f", $1.to_i / 1000)
-        # The visibility measured in miles, rounded to one decimal place.
-        @decoded['visibility_miles'] = sprintf("%.1f", $1.to_i / 1000 / 1.609344)
-      elsif (part =~ /^[0-9]$/)
-        # Temp Visibility Group, single digit followed by space
-        @decoded['temp_visibility_miles'] = part
-      elsif (@decoded['temp_visibility_miles'] && (@decoded['temp_visibility_miles']+' '+part) =~ /^M?(([0-9]?)[ ]?([0-9])(\/?)([0-9]*))SM$/)
-        # Visibility Group
-        if ($4 == '/')
-          vis_miles = $2.to_i + $3.to_i/$5.to_i
-        else
-          vis_miles = $1.to_i;
-        end
-        if (@decoded['temp_visibility_miles'][0] == 'M')
-          # The visibility measured in miles, prefixed with < to indicate 'Less than'
-          @decoded['visibility_miles'] = '<' + sprintf("%.1f", vis_miles)
-          # The visibility measured in kilometers. The value is rounded
-          # to one decimal place, prefixed with < to indicate 'Less than' */
-          @decoded['visibility_km']    = '<' . sprintf("%.1f", vis_miles * 1.609344)
-        else
-          # The visibility measured in mile.s */
-          @decoded['visibility_miles'] = sprintf("%.1f", vis_miles)
-          # The visibility measured in kilometers, rounded to one decimal place.
-          @decoded['visibility_km']    = sprintf("%.1f", vis_miles * 1.609344)
-        end
-      elsif (part =~ /^(-|\+|VC|MI)?(TS|SH|FZ|BL|DR|BC|PR|RA|DZ|SN|SG|GR|GS|PE|IC|UP|BR|FG|FU|VA|DU|SA|HZ|PY|PO|SQ|FC|SS|DS)+$/)
-        # Current weather-group
-        @decoded['weather'] = '' unless @decoded.has_key?('weather')
-        if (part[0].chr == '-')
-          # A light phenomenon
-          @decoded['weather'] += @strings['light']
-          part = part[1,part.length]
-        elsif (part[0].chr == '+')
-          # A heavy phenomenon
-          @decoded['weather'] += @strings['heavy']
-          part = part[1,part.length]
-        elsif (part[0,2] == 'VC')
-          # Proximity Qualifier
-          @decoded['weather'] += @strings['nearby']
-          part = part[2,part.length]
-        elsif (part[0,2] == 'MI')
-          @decoded['weather'] += @strings['mild']
-          part = part[2,part.length]
-        else
-          # no intensity code => moderate phenomenon
-          @decoded['weather'] += @strings['moderate']
-        end
-        
-        while (part && bite = part[0,2]) do
-          # Now we take the first two letters and determine what they
-          # mean. We append this to the variable so that we gradually
-          # build up a phrase.
-
-          @decoded['weather'] += @weather_array[bite]
-          # Here we chop off the two first letters, so that we can take
-          # a new bite at top of the while-loop.
-          part = part[2,-1]
-        end
-      elsif (part =~ /(SKC|CLR)/)
-        # Cloud-layer-group.
-        # There can be up to three of these groups, so we store them as
-        # cloud_layer1, cloud_layer2 and cloud_layer3.
-        
-        @cloud_layers += 1;
-        # Again we have to translate the code-characters to a
-        # meaningful string.
-        @decoded['cloud_layer'+ (@cloud_layers.to_s) +'_condition']  = @cloud_condition_array[$1]
-        @decoded['cloud_layer'+ (@cloud_layers.to_s) +'_coverage'] = @cloud_coverage[$1]
-      elsif (part =~ /^(VV|FEW|SCT|BKN|OVC)([0-9]{3})(CB|TCU)?$/)
-        # We have found (another) a cloud-layer-group. There can be up
-        # to three of these groups, so we store them as cloud_layer1,
-        # cloud_layer2 and cloud_layer3.
-        @cloud_layers += 1;
-        # Again we have to translate the code-characters to a meaningful string.
-        if ($3 == 'CB')
-          # cumulonimbus (CB) clouds were observed. */
-          @decoded['cloud_layer'+ (@cloud_layers.to_s) +'_condition'] =
-                      @cloud_condition_array[$1] + @strings['clouds_cb']
-        elsif ($3 == 'TCU')
-          # towering cumulus (TCU) clouds were observed.
-          @decoded['cloud_layer'+ (@cloud_layers.to_s) +'_condition'] =
-                      @cloud_condition_array[$1] + @strings['clouds_tcu']
-        else
-          @decoded['cloud_layer'+ (@cloud_layers.to_s) +'_condition'] =
-                      @cloud_condition_array[$1] + @strings['clouds']
+    def parse(cc_doc)
+        cc = Hash.new
+        cc_doc.elements.each do |c|
+            cc[c.name.to_sym] = c.text
         end
-        @decoded['cloud_layer'+ (@cloud_layers.to_s) +'_coverage'] = @cloud_coverage[$1]
-        @decoded['cloud_layer'+ (@cloud_layers.to_s) +'_altitude_ft'] = $2.to_i * 100
-        @decoded['cloud_layer'+ (@cloud_layers.to_s) +'_altitude_m']  = ($2.to_f * 30.48).round
-      elsif (part =~ /^T([0-9]{4})$/)
-        store_temp($1,'temp_c','temp_f')
-      elsif (part =~ /^T?(M?[0-9]{2})\/(M?[0-9\/]{1,2})?$/)
-        # Temperature/Dew Point Group
-        # The temperature and dew-point measured in Celsius.
-        @decoded['temp_c'] = sprintf("%d", $1.tr('M', '-'))
-        if $2 == "//" || !$2
-          @decoded['dew_c'] = 0
+        "At #{cc[:observation_time_rfc822]}, the wind was #{cc[:wind_string]} at #{cc[:location]} (#{cc[:station_id]}). The temperature was #{cc[:temperature_string]}#{heat_index_or_wind_chill(cc)}, and the pressure was #{cc[:pressure_string]}. The relative humidity was #{cc[:relative_humidity]}%. Current conditions are #{cc[:weather]} with #{cc[:visibility_mi]}mi visibility."
+    end
+private
+    def heat_index_or_wind_chill(cc)
+        hi = cc[:heat_index_string]
+        wc = cc[:windchill_string]
+        if hi != 'NA' then
+            " with a heat index of #{hi}"
+        elsif wc != 'NA' then
+            " with a windchill of #{wc}"
         else
-          @decoded['dew_c'] = sprintf("%.1f", $2.tr('M', '-'))
+            ""
         end
-        # The temperature and dew-point measured in Fahrenheit, rounded to
-        # the nearest degree.
-        @decoded['temp_f'] = ((@decoded['temp_c'].to_f * 9 / 5) + 32).round
-        @decoded['dew_f']  = ((@decoded['dew_c'].to_f * 9 / 5) + 32).round
-      elsif(part =~ /A([0-9]{4})/)
-        # Altimeter
-        # The pressure measured in inHg
-        @decoded['altimeter_inhg'] = sprintf("%.2f", $1.to_i/100)
-        # The pressure measured in mmHg, hPa and atm
-        @decoded['altimeter_mmhg'] = sprintf("%.1f", $1.to_f * 0.254)
-        @decoded['altimeter_hpa']  = sprintf("%d", ($1.to_f * 0.33863881578947).to_i)
-        @decoded['altimeter_atm']  = sprintf("%.3f", $1.to_f * 3.3421052631579e-4)
-      elsif(part =~ /Q([0-9]{4})/)
-        # Altimeter
-        # This is strange, the specification doesnt say anything about
-        # the Qxxxx-form, but it's in the METARs.
-        # The pressure measured in hPa
-        @decoded['altimeter_hpa']  = sprintf("%d", $1.to_i)
-        # The pressure measured in mmHg, inHg and atm
-        @decoded['altimeter_mmhg'] = sprintf("%.1f", $1.to_f * 0.7500616827)
-        @decoded['altimeter_inhg'] = sprintf("%.2f", $1.to_f * 0.0295299875)
-        @decoded['altimeter_atm']  = sprintf("%.3f", $1.to_f * 9.869232667e-4)
-      elsif (part =~ /^T([0-9]{4})([0-9]{4})/)
-        # Temperature/Dew Point Group, coded to tenth of degree.
-        # The temperature and dew-point measured in Celsius.
-        store_temp($1,'temp_c','temp_f')
-        store_temp($2,'dew_c','dew_f')
-      elsif (part =~ /^1([0-9]{4}$)/)
-        # 6 hour maximum temperature Celsius, coded to tenth of degree
-        store_temp($1,'temp_max6h_c','temp_max6h_f')
-      elsif (part =~ /^2([0-9]{4}$)/)
-        # 6 hour minimum temperature Celsius, coded to tenth of degree
-        store_temp($1,'temp_min6h_c','temp_min6h_f')
-      elsif (part =~ /^4([0-9]{4})([0-9]{4})$/)
-        # 24 hour maximum and minimum temperature Celsius, coded to
-        # tenth of degree
-        store_temp($1,'temp_max24h_c','temp_max24h_f')
-        store_temp($2,'temp_min24h_c','temp_min24h_f')
-      elsif (part =~ /^P([0-9]{4})/)
-        # Precipitation during last hour in hundredths of an inch
-        # (store as inches)
-        @decoded['precip_in'] = sprintf("%.2f", $1.to_f/100)
-        @decoded['precip_mm'] = sprintf("%.2f", $1.to_f * 0.254)
-      elsif (part =~ /^6([0-9]{4})/)
-        # Precipitation during last 3 or 6 hours in hundredths of an
-        # inch  (store as inches)
-        @decoded['precip_6h_in'] = sprintf("%.2f", $1.to_f/100)
-        @decoded['precip_6h_mm'] = sprintf("%.2f", $1.to_f * 0.254)
-      elsif (part =~ /^7([0-9]{4})/)
-        # Precipitation during last 24 hours in hundredths of an inch
-        # (store as inches)
-        @decoded['precip_24h_in'] = sprintf("%.2f", $1.to_f/100)
-        @decoded['precip_24h_mm'] = sprintf("%.2f", $1.to_f * 0.254)
-      elsif(part =~ /^4\/([0-9]{3})/)
-        # Snow depth in inches
-        @decoded['snow_in'] = sprintf("%.2f", $1);
-        @decoded['snow_mm'] = sprintf("%.2f", $1.to_f * 25.4)
-      else
-        # If we couldn't match the group, we assume that it was a
-        # remark.
-        @decoded['remarks'] = '' unless @decoded.has_key?("remarks")
-        @decoded['remarks'] += ' ' + part;
-      end
-    }
-    
-    # Relative humidity
-    # p @decoded['dew_c'] # 11.0
-    # p @decoded['temp_c'] # 21.0
-    # => 56.1
-    @decoded['rel_humidity'] = sprintf("%.1f",100 * 
-      (6.11 * (10.0**(7.5 * @decoded['dew_c'].to_f / (237.7 + @decoded['dew_c'].to_f)))) / (6.11 * (10.0 ** (7.5 * @decoded['temp_c'].to_f / (237.7 + @decoded['temp_c'].to_f))))) if @decoded.has_key?('dew_c')
-  end
-
-  def store_temp(temp,temp_cname,temp_fname)
-    # Given a numerical temperature temp in Celsius, coded to tenth of
-    # degree, store in @decoded[temp_cname], convert to Fahrenheit
-    # and store in @decoded[temp_fname]
-    # Note: temp is converted to negative if temp > 100.0 (See
-    # Federal Meteorological Handbook for groups T, 1, 2 and 4)
-
-    # Temperature measured in Celsius, coded to tenth of degree
-    temp = temp.to_f/10
-    if (temp >100.0) 
-        # first digit = 1 means minus temperature
-        temp = -(temp - 100.0)
     end
-    @decoded[temp_cname] = sprintf("%.1f", temp)
-    # The temperature in Fahrenheit.
-    @decoded[temp_fname] = sprintf("%.1f", (temp * 9 / 5) + 32)        
-  end
-
-    def pretty_print_precip(precip_mm, precip_in)
-      # Returns amount if $precip_mm > 0, otherwise "trace" (see Federal
-      # Meteorological Handbook No. 1 for code groups P, 6 and 7) used in
-      # several places, so standardized in one function.
-      if (precip_mm.to_i > 0)
-        amount = sprintf(@strings['mm_inches'], precip_mm, precip_in)
-      else
-        amount = @strings['a_trace']
-      end
-      return sprintf(@strings['precip_there_was'], amount)
-  end
-
-  def pretty_print
-    if @nodata
-      return "The weather stored for #{@decoded['station']} consists of the string 'NIL' :("
-    end
-
-    ["temp_c", "altimeter_hpa"].each {|key|
-      if !@decoded.has_key?(key)
-        return "The weather stored for #{@decoded['station']} could not be parsed (#{@input})"
-      end
-    }
-    
-    mins_old = ((Time.now - @date.to_i).to_f/60).round
-    if (mins_old <= 60)
-      weather_age = mins_old.to_s + " minutes ago,"
-    elsif (mins_old <= 60 * 25)
-      weather_age = (mins_old / 60).to_s + " hours, "
-      weather_age += (mins_old % 60).to_s + " minutes ago,"
-    else
-      # return "The weather stored for #{@decoded['station']} is hideously out of date :( (Last update #{@date})"
-      weather_age = "The weather stored for #{@decoded['station']} is hideously out of date :( here it is anyway:"
-    end
-    
-    if(@decoded.has_key?("cloud_layer1_altitude_ft"))
-      sky_str = sprintf(@strings['sky_str_format1'],
-                        @decoded["cloud_layer1_condition"],
-                        @decoded["cloud_layer1_altitude_m"],
-                        @decoded["cloud_layer1_altitude_ft"])
-    else
-      sky_str = @strings['sky_str_clear']
-    end
-
-    if(@decoded.has_key?("cloud_layer2_altitude_ft"))
-      if(@decoded.has_key?("cloud_layer3_altitude_ft"))
-        sky_str += sprintf(@strings['sky_str_format2'],
-                          @decoded["cloud_layer2_condition"],
-                          @decoded["cloud_layer2_altitude_m"],
-                          @decoded["cloud_layer2_altitude_ft"],
-                          @decoded["cloud_layer3_condition"],
-                          @decoded["cloud_layer3_altitude_m"],
-                          @decoded["cloud_layer3_altitude_ft"])
-      else
-        sky_str += sprintf(@strings['sky_str_format3'],
-                          @decoded["cloud_layer2_condition"],
-                          @decoded["cloud_layer2_altitude_m"],
-                          @decoded["cloud_layer2_altitude_ft"])
-      end
-    end
-    sky_str += "."
-
-    if(@decoded.has_key?("visibility_miles"))
-      visibility = sprintf(@strings['visibility_format'],
-                          @decoded["visibility_km"],
-                          @decoded["visibility_miles"])
-    else
-      visibility = ""
-    end
-
-    if (@decoded.has_key?("wind_meters_per_second") && @decoded["wind_meters_per_second"].to_i > 0)
-      wind_str = sprintf(@strings['wind_str_format1'],
-                        @decoded["wind_meters_per_second"],
-                        @decoded["wind_miles_per_hour"])
-      if (@decoded.has_key?("wind_gust_meters_per_second") && @decoded["wind_gust_meters_per_second"].to_i > 0)
-        wind_str += sprintf(@strings['wind_str_format2'],
-                            @decoded["wind_gust_meters_per_second"],
-                            @decoded["wind_gust_miles_per_hour"])
-      end
-      wind_str += sprintf(@strings['wind_str_format3'],
-                          @decoded["wind_dir_text"])
-    else
-      wind_str = @strings['wind_str_calm']
-    end
-
-    prec_str = ""
-    if (@decoded.has_key?("precip_in"))
-      prec_str += pretty_print_precip(@decoded["precip_mm"], @decoded["precip_in"]) + @strings['precip_last_hour']
-    end
-    if (@decoded.has_key?("precip_6h_in"))
-      prec_str += pretty_print_precip(@decoded["precip_6h_mm"], @decoded["precip_6h_in"]) + @strings['precip_last_6_hours']
-    end
-    if (@decoded.has_key?("precip_24h_in"))
-      prec_str += pretty_print_precip(@decoded["precip_24h_mm"], @decoded["precip_24h_in"]) + @strings['precip_last_24_hours']
-    end
-    if (@decoded.has_key?("snow_in"))
-      prec_str += sprintf(@strings['precip_snow'], @decoded["snow_mm"], @decoded["snow_in"])
-    end
-
-    temp_str = ""
-    if (@decoded.has_key?("temp_max6h_c") && @decoded.has_key?("temp_min6h_c"))
-      temp_str += sprintf(@strings['temp_min_max_6_hours'],
-                          @decoded["temp_max6h_c"],
-                          @decoded["temp_min6h_c"],
-                          @decoded["temp_max6h_f"],
-                          @decoded["temp_min6h_f"])
-    else
-      if (@decoded.has_key?("temp_max6h_c"))
-        temp_str += sprintf(@strings['temp_max_6_hours'],
-                            @decoded["temp_max6h_c"],
-                            @decoded["temp_max6h_f"])
-      end
-      if (@decoded.has_key?("temp_min6h_c"))
-        temp_str += sprintf(@strings['temp_max_6_hours'],
-                            @decoded["temp_min6h_c"],
-                            @decoded["temp_min6h_f"])
-      end
-    end
-    if (@decoded.has_key?("temp_max24h_c"))
-      temp_str += sprintf(@strings['temp_min_max_24_hours'],
-                          @decoded["temp_max24h_c"],
-                          @decoded["temp_min24h_c"],
-                          @decoded["temp_max24h_f"],
-                          @decoded["temp_min24h_f"])
-    end
-
-    if (@decoded.has_key?("weather"))
-      weather_str = sprintf(@strings['current_weather'], @decoded["weather"])
-    else
-      weather_str = ''
-    end
-
-    return sprintf(@strings['pretty_print_metar'],
-                  weather_age,
-                  @date,
-                  wind_str, @decoded["station"], @decoded["temp_c"],
-                  @decoded["temp_f"], @decoded["altimeter_hpa"],
-                  @decoded["altimeter_inhg"],
-                  @decoded["rel_humidity"], sky_str,
-                  visibility, weather_str, prec_str, temp_str).strip
-  end
-
-  def to_s
-    @input
-  end
 end
 
-
-class WeatherPlugin < Plugin
+class MyWeatherPlugin < Plugin
   
   def help(plugin, topic="")
-    "weather <ICAO> => display the current weather at the location specified by the ICAO code [Lookup your ICAO code at http://www.nws.noaa.gov/tg/siteloc.shtml - this will also store the ICAO against your nick, so you can later just say \"weather\", weather => display the current weather at the location you last asked for"
-  end
-
-  def get_metar(station)
-    station.upcase!
-    
-    result = @bot.httputil.get(URI.parse("http://weather.noaa.gov/pub/data/observations/metar/stations/#{station}.TXT"))
-    return nil unless result
-    return Metar.new(result)
+    "weather <STATION> => display the current conditions at the location specified by the STATION code [Lookup your STATION code at http://www.nws.noaa.gov/data/current_obs/ - this will also store the STATION against your nick, so you can later just say \"weather\", weather => display the current weather at the location you last asked for" 
   end
-
   
   def initialize
     super
@@ -612,20 +75,21 @@ class WeatherPlugin < Plugin
         val
       end
     end
-    @metar_cache = Hash.new
+    @cc_cache = Hash.new
   end
   
   def describe(m, where)
-    if @metar_cache.has_key?(where) &&
-       Time.now - @metar_cache[where].date < 3600
-      met = @metar_cache[where]
+    if @cc_cache.has_key?(where) then
+        met = @cc_cache[where]
     else
-      met = get_metar(where)
+        met = CurrentConditions.new(where)
     end
-    
     if met
-      m.reply met.pretty_print
-      @metar_cache[where] = met
+        # begin
+      m.reply met.update
+      @cc_cache[where] = met
+        # rescue
+        # end
     else
       m.reply "couldn't find weather data for #{where}"
     end
@@ -640,10 +104,10 @@ class WeatherPlugin < Plugin
         where = @registry[m.sourcenick]
         describe(m,where)
       else
-        m.reply "I don't know where you are yet! Lookup your code at http://www.nws.noaa.gov/tg/siteloc.shtml and tell me 'weather <code>', then I'll know."
+        m.reply "I don't know where you are yet! Lookup your station at http://www.nws.noaa.gov/data/current_obs/ and tell me 'weather <station>', then I'll know."
       end
     end
   end
 end
-plugin = WeatherPlugin.new
+plugin = MyWeatherPlugin.new
 plugin.map 'weather :where', :defaults => {:where => false}
diff --git a/data/rbot/plugins/wow.rb b/data/rbot/plugins/wow.rb
new file mode 100644
index 00000000..4faadaf4
--- /dev/null
+++ b/data/rbot/plugins/wow.rb
@@ -0,0 +1,123 @@
+#
+# World of Warcraft Realm Status plugin for rbot
+# by MrChucho (mrchucho@mrchucho.net)
+# Copyright (C) 2006 Ralph M. Churchill
+#
+# Requires: insatiable appetite for World of Warcraft
+#
+require 'open-uri'
+require 'rexml/document'
+
+class Realm
+    attr_accessor :name,:status,:type,:pop
+    def initialize(name,status,type,pop)
+        self.name = pretty_realm(name)
+        self.status = pretty_status(status)
+        self.type = pretty_type(type)
+        self.pop = pretty_pop(pop)
+    end
+    def Realm.get_realm_status(realm_name)
+        begin
+            open("http://www.worldofwarcraft.com/realmstatus/status.xml") do |xmldoc|
+                realm_list = (REXML::Document.new xmldoc).root
+                realm_data = realm_list.elements["r[@n=\"#{realm_name}\"]"]
+                if realm_data and realm_data.attributes.any? then
+                    realm = Realm.new(
+                        realm_data.attributes['n'],
+                        realm_data.attributes['s'].to_i,
+                        realm_data.attributes['t'].to_i,
+                        realm_data.attributes['l'].to_i)
+                else
+                    "Realm, #{realm_name}, not found."
+                end
+            end
+        rescue => err
+            "Error retrieving realm status: #{err}"
+        end
+    end
+    def to_s
+        "#{name} (#{type}) Status: #{status} Population: #{pop}"
+    end
+    # just a longer, tabluar format
+    # might be good if displaying multiple realms
+    def _to_s
+        sprintf("%-8s %-20s %-8s %-9s\n%-11s %-22s %-8s %-9s",
+            "Status","Realm","Type","Population",
+            status,name,type,pop)
+    end
+private
+    def pretty_status(status)
+        case status
+        when 1
+            "3Up"
+        when 2
+            "5Down"
+        end
+    end
+    def pretty_pop(pop)
+        case pop
+        when 1
+            "3Low"
+        when 2
+            "7Medium"
+        when 3
+            "4High"
+        when 4
+            "5Max(Queued)"
+        end
+    end
+    def pretty_realm(realm)
+        "#{realm}"
+    end
+    def pretty_type(type)
+        case type
+        when 0
+            'RP-PVP'
+        when 1
+            'Normal'
+        when 2
+            'PVP'
+        when 3
+            'RP'
+        end
+    end
+end
+
+class RealmPlugin < Plugin
+    USAGE="realm <realm> => determine the status of a Warcraft realm"
+    def initialize
+        super
+        class << @registry
+            def store(val)
+                val
+            end
+            def restore(val)
+                val
+            end
+        end
+    end
+    def help(plugin,topic="")
+        USAGE
+    end
+    def usage(m,params={})
+        m.reply USAGE
+    end
+    def realm(m,params)
+        if params[:realm_name] and params[:realm_name].any?
+            realm_name = params[:realm_name].collect{|tok|
+                tok.capitalize
+            }.join(' ')
+            @registry[m.sourcenick] = realm_name
+            m.reply Realm.get_realm_status(realm_name)
+        else
+            if @registry.has_key?(m.sourcenick)
+                realm_name = @registry[m.sourcenick]
+                m.reply Realm.get_realm_status(realm_name)
+            else
+                m.reply "I don't know which realm you want.\n#{USAGE}"
+            end
+        end
+    end
+end
+plugin = RealmPlugin.new
+plugin.map 'realm *realm_name', :defaults => {:realm_name => false}