Housekeeping

game/data/plugins/combat/plugin.xml

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+<?xml version="1.0"?>
+<plugin>
+  <id>combat</id>
+  <version>1</version>
+  <name>Combat</name>
+  <description>Manages combat between game characters.</description>
+  <authors>
+    <author>Ryley</author>
+  </authors>
+  <scripts>
+    <script>wilderness.rb</script>
+  </scripts>
+  <dependencies>
+    <dependency>attributes</dependency>
+    <dependency>areas</dependency>
+  </dependencies>
+</plugin>

game/data/plugins/combat/wilderness.rb

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+require 'java'
+
+java_import 'org.apollo.game.model.entity.Player'
+java_import 'org.apollo.game.message.impl.SetWidgetTextMessage'
+java_import 'org.apollo.game.message.impl.OpenOverlayMessage'
+
+declare_attribute(:wilderness_level, 0, :transient)
+
+# Constants constants related to the wilderness
+module WildernessConstants
+
+  # The wilderness level overlay interface id
+  OVERLAY_INTERFACE_ID = 197
+
+  # The wilderness level string id
+  LEVEL_STRING_ID = 199
+
+end
+
+# Determines the wilderness level for the specified position
+def wilderness_level(position)
+  ((position.y - 3520) / 8).ceil + 1
+end
+
+area_action :wilderness_level do
+  on_entry do |player, position|
+    player.wilderness_level = wilderness_level(position)
+    player.interface_set.open_overlay(WildernessConstants::OVERLAY_INTERFACE_ID)
+
+    id = WildernessConstants::LEVEL_STRING_ID
+    player.send(SetWidgetTextMessage.new(id, "Level: #{player.wilderness_level}"))
+    show_action(player, ATTACK_ACTION)
+  end
+
+  while_in do |player, position|
+    current = player.wilderness_level
+    updated = wilderness_level(position)
+
+    if current != updated
+      player.wilderness_level = updated
+
+      id = WildernessConstants::LEVEL_STRING_ID
+      player.send(SetWidgetTextMessage.new(id, "Level: #{player.wilderness_level}"))
+    end
+  end
+
+  on_exit do |player, position|
+    player.wilderness_level = 0
+    player.interface_set.close
+
+    player.send(OpenOverlayMessage.new(-1))
+    hide_action(player, ATTACK_ACTION)
+  end
+end
+
+# Monkey patch the existing player class to add method of checking whether or not a player is
+# within the wilderness
+class Player
+
+  def in_wilderness
+    wilderness_level > 0
+  end
+
+end
+
+area name: :wilderness, coordinates: [2945, 3522, 3390, 3972, 0], actions: :wilderness_level