#==============================================================================
# ■ XP-RGSS-5 ランダムスキル [Ver.1.2.0]      by Claimh
#------------------------------------------------------------------------------
# スキルの属性にランダムスキルが設定されているとき、
# 指定したスキルの中からどれかを発動させる。
#==============================================================================

class Scene_Battle
#==============================================================================
# □ カスタマイズSTART
#==============================================================================
  # 発動元スキルと発生スキル
  RAN1 = [57, [7,10,13,16,19,22,25,28,31]]
  RAN2 = [7, [8,11,14,17,20,23,26,29,32]]

  # 上記配列を羅列
  RAND_SKILLS = [RAN1, RAN2]
#==============================================================================
# □ カスタマイズEND
#==============================================================================
  #--------------------------------------------------------------------------
  # ● スキルアクション 結果作成
  #--------------------------------------------------------------------------
  alias make_skill_action_result_randum make_skill_action_result
  def make_skill_action_result
    @rand_skill_flag = false
    skill_base = $data_skills[@active_battler.current_action.skill_id]
    randum_skill_action
    make_skill_action_result_randum           # 原物
    if @rand_skill_flag
      @help_window.set_text(skill_base.name, 1)
      # SP 消費
      @active_battler.sp += @skill.sp_cost
      @active_battler.sp -= skill_base.sp_cost
      @rand_skill_flag = false
    end
  end

  #--------------------------------------------------------------------------
  # ● ランダムスキル作成
  #--------------------------------------------------------------------------
  def randum_skill_action
    for i in 0..RAND_SKILLS.size-1
      rand_skill = RAND_SKILLS[i]
      # ランダムスキル
      if @active_battler.current_action.skill_id == rand_skill[0]
        @rand_skill_flag = true
        randum = rand_skill[1]
        @active_battler.current_action.skill_id = randum_skill(@active_battler, randum)
        return
      end
    end
  end

  #--------------------------------------------------------------------------
  # ● 対象検出
  #--------------------------------------------------------------------------
  def randum_skill(actor, skill_set)
    index = 0
    randum = []
    for i in 0..skill_set.size-1
      check = skill_set[i]
      # 修得済みのみ
      if actor.skill_learn?(check)
        # 対象の抽出
        randum[index] = check
        index += 1
      end
    end
    if index == 0
      return nil
    end
    return randum[rand(index)]
  end
end