# @taroxd metadata 1.0
# @id learn_skill_by_item
# @display 持有物品时习得技能
# @require taroxd_core
# @help 在角色处备注 <learn x by y>，表示当持有道具 y 时习得技能 x
Taroxd::LearnSkillByItem = /<learn\s*(\d+)\s*by\s*(\d+)>/i

class RPG::Actor < RPG::BaseItem

  # 由 [技能id, 物品] 构成的数组
  def learn_skill_by_item
    @learn_skill_by_item ||=
    @note.scan(Taroxd::LearnSkillByItem).map do |(x, y)|
      [x.to_i, $data_items[y.to_i]]
    end
  end
end

class Game_Actor < Game_Battler

  def_with :added_skills do |old|
    actor.learn_skill_by_item.each do |(skill_id, item)|
      old.push(skill_id) if $game_party.has_item?(item)
    end
    old
  end
end