这是KB哥的脚本 请问大神23号技能要设置什么东西吗？

lixinglixing022

module CLD99
  module Dracula

    DRAIN_SKILL_ID = 23
    # 领悟了此ID技能后，所有攻击带吸血

    DRAIN_RATE = 0.1
    # 因上面的情况允许吸血时的比例

  end
end

class Game_Battler
  #--------------------------------------------------------------------------
  # ● [追加]是否所有攻击带吸血
  #--------------------------------------------------------------------------
  def dracula?
    @skills.include?(CLD99::Dracula::DRAIN_SKILL_ID)
  end
  #--------------------------------------------------------------------------
  # ● [别名修改]计算伤害
  #--------------------------------------------------------------------------
  alias :make_damage_value_for_dracula :make_damage_value
  def make_damage_value(user, item)
    make_damage_value_for_dracula(user, item)
    @result.make_dracula(item) if user.actor? && user.dracula?
  end
end

class Game_ActionResult
  attr_reader :dracula
  #--------------------------------------------------------------------------
  # ● [追加]计算吸血
  #--------------------------------------------------------------------------
  def make_dracula(item)
    return if item.damage.drain? # 自带吸血的技能不参与
    return if @hp_damage < 0     # 回复类技能不参与
    @hp_drain = (@hp_damage * CLD99::Dracula::DRAIN_RATE).to_i
    @dracula = true
  end  
  #--------------------------------------------------------------------------
  # ● [别名修改]获取 HP 伤害的文字
  #--------------------------------------------------------------------------
  alias hp_damage_text_for_dracula hp_damage_text
  def hp_damage_text
    if @dracula
      fmt = "%s造成了%s伤害，吸收了%s%s"
      return sprintf(fmt, @battler.name, @hp_damage, @hp_drain, Vocab.hp)
    end
    hp_damage_text_for_dracula
  end
end

class Window_BattleLog
  #--------------------------------------------------------------------------
  # ● 显示 HP 伤害
  #--------------------------------------------------------------------------
  alias :display_hp_damage_for_dracula :display_hp_damage
  def display_hp_damage(target, item)
    target.perform_damage_effect if target.result.dracula
    display_hp_damage_for_dracula(target, item)
  end
end

devil033

外国人？
这不是有中文注释吗

DRAIN_SKILL_ID = 23
    # 领悟了此ID技能后，所有攻击带吸血