Add wilderness area plugin.

data/plugins/areas/plugin.xml

@@ -10,6 +10,7 @@
   <scripts>
     <script>actions.rb</script>
     <script>areas.rb</script>
+    <script>wilderness.rb</script>
   </scripts>
   <dependencies />
 </plugin>

data/plugins/areas/wilderness.rb

@@ -0,0 +1,52 @@
+require 'java'
+
+java_import 'org.apollo.game.model.entity.Player'
+java_import 'org.apollo.game.message.impl.OpenOverlayMessage'
+java_import 'org.apollo.game.message.impl.SetWidgetTextMessage'
+
+
+
+private
+
+MIN_X = 2945
+MIN_Y = 3522
+MAX_X = 3390
+MAX_Y = 3972
+
+OVERLAY_INTERFACE_ID = 197
+LEVEL_STRING_ID = 199
+
+declare_attribute(:wilderness_level, 0, :transient)
+
+# Determines the wilderness level for the specified player's position
+def wilderness_level(player)
+  return (player.position.y - (MIN_Y - 1) / 8).ceil
+end
+
+area_action :wilderness_level do
+
+  on_entry do |player| 
+    player.wilderness_level = wilderness_level(player)
+    player.interface_set.open_overlay(OVERLAY_INTERFACE_ID)
+    player.send(SetWidgetTextMessage.new(LEVEL_STRING_ID, "Level: #{player.wilderness_level}"))
+    show_action(ATTACK_ACTION)
+  end
+
+  while_in do |player|
+    current = player.wilderness_level
+    updated = wilderness_level(player)
+    if (current != updated)
+        player.wilderness_level = updated
+        player.send(SetWidgetTextMessage.new(LEVEL_STRING_ID, "Level: #{player.wilderness_level}"))
+    end
+  end
+
+  on_exit do |player|
+    player.wilderness_level = 0
+    player.interface_set.close() # TODO: Will this cause issues with other potentially open interfaces?
+    hide_action(ATTACK_ACTION)
+  end
+
+end
+
+area :name => :wilderness, :coordinates => MIN_X, MIN_Y, MAX_X, MAX_Y, 0, => :actions => :wilderness_level