apollo/data/plugins/consumables/consumable.rb

require 'java'

# A map of item ids to consumables.
CONSUMABLES = {}

CONSUME_ANIMATION_ID = 829

# An item that can be consumed to produce a skill effect.
class Consumable    
  attr_reader :name, :id

  def initialize(name, id, sound_id)
    @name = name.to_s.gsub(/_/, ' ')
    @id = id
    @sound_id = sound_id
  end

  def consume(player)
  # Override to provide specific functionality.
  end

end

# Appends a consumable to the map, with its id as the key.
def append_consumable(consumable)
  CONSUMABLES[consumable.id] = consumable
end

# Intercepts the first item option event and consumes the consumable, if necessary.
on :event, :item_option do |ctx, player, event|
  if (event.option == 1)
    consumable = CONSUMABLES[event.id]
    unless consumable == nil
      player.inventory.reset(event.slot)
      player.play_animation(Animation.new(CONSUME_ANIMATION_ID))
      consumable.consume(player)

      ctx.break_handler_chain
    end
  end
end