Housekeeping

game/data/plugins/util/command.rb

@@ -0,0 +1,44 @@
+require 'java'
+
+java_import 'org.apollo.cache.def.ItemDefinition'
+java_import 'org.apollo.cache.def.NpcDefinition'
+java_import 'org.apollo.cache.def.ObjectDefinition'
+
+# Checks whether the amount of arguments provided is correct, sending the player the specified
+# message if not.
+def valid_arg_length(args, length, player, message)
+  valid = length.is_a?(Range) ? length.include?(args.length) : length == args.length
+
+  player.send_message(message) unless valid
+  valid
+end
+
+# Returns the name of the Object, Npc, or Item with the specified id.
+def name_of(type, id)
+  types = [:object, :item, :npc]
+  unless types.include?(type)
+    fail "Invalid type of #{type} specified, must be one of #{types}"
+  end
+
+  Kernel.const_get("#{type.capitalize}Definition").lookup(id).name.to_s
+end
+
+# Monkey-patches Hash to add a has_keys? method.
+class Hash
+
+  def has_keys?(*keys)
+    keys.all? { |key| self.key?(key) }
+  end
+
+end
+
+# Monkey-patches Player to add a level? method.
+class Player
+
+  # Returns whether or not the player's current level is greater than or equal to the specified
+  # level.
+  def level?(skill, level)
+    skill_set.get_skill(skill).current_level >= level
+  end
+
+end