vulnerabilite

  def vulne(a, b) # compétence n°44
    hash_stockage
    key = check_perso(a)
    id_st = rand(7) # Feu / Glace / Foudre / Eau / Vent / Lumière / Ténèbres
    id_st2 = rand(7)
    while id_st2 == id_st
      id_st2 = rand(7)
    end
    id_st3 = rand(7)
    while id_st3 == id_st or id_st3 == id_st2
      id_st3 = rand(7)
    end
    case id_st, id_st2, id_st3
      when 0 # Feu
        if b.state?(94) or b.state?(102) b.state?(110)
          b.remove_state(94) & b.remove_state(102) & b.remove_state(110)
          else
            if key != :dmg_ennemi
              if a.class_id == 13
                b.add_state(135)
                elsif a.class_id == 12 or a.class_id == 14
                  b.add_state(127)
                  else
                    b.add_state(119)
              end
              else
                b.add_state(135)
            end
        end
      when 1 # Glace
        if b.state?(95) or b.state?(103) b.state?(111)
          b.remove_state(95) & b.remove_state(103) & b.remove_state(111)
          else
            if key != :dmg_ennemi
              if a.class_id == 13
                b.add_state(136)
                elsif a.class_id == 12 or a.class_id == 14
                  b.add_state(128)
                  else
                    b.add_state(120)
              end
              else
                b.add_state(136)
            end
        end
      when 2 # Foudre
        if b.state?(96) or b.state?(104) b.state?(112)
          b.remove_state(96) & b.remove_state(104) & b.remove_state(112)
          else
            if key != :dmg_ennemi
              if a.class_id == 13
                b.add_state(137)
                elsif a.class_id == 12 or a.class_id == 14
                  b.add_state(129)
                  else
                    b.add_state(121)
              end
              else
                b.add_state(137)
            end
        end
      when 3 # Eau
        if b.state?(97) or b.state?(105) b.state?(113)
          b.remove_state(97) & b.remove_state(105) & b.remove_state(113)
          else
            if key != :dmg_ennemi
              if a.class_id == 13
                b.add_state(138)
                elsif a.class_id == 12 or a.class_id == 14
                  b.add_state(130)
                  else
                    b.add_state(122)
              end
              else
                b.add_state(138)
            end
        end
      when 4 # Terre
        if b.state?(98) or b.state?(106) b.state?(114)
          b.remove_state(98) & b.remove_state(106) & b.remove_state(114)
          else
            if key != :dmg_ennemi
              if a.class_id == 13
                b.add_state(139)
                elsif a.class_id == 12 or a.class_id == 14
                  b.add_state(131)
                  else
                    b.add_state(123)
              end
              else
                b.add_state(139)
            end
        end
      when 5 # Vent
        if b.state?(99) or b.state?(107) b.state?(115)
          b.remove_state(99) & b.remove_state(107) & b.remove_state(115)
          else
            if key != :dmg_ennemi
              if a.class_id == 13
                b.add_state(140)
                elsif a.class_id == 12 or a.class_id == 14
                  b.add_state(132)
                  else
                    b.add_state(124)
              end
              else
                b.add_state(140)
            end
        end
      when 6 # Lumière
        if b.state?(100) or b.state?(108) b.state?(116)
          b.remove_state(100) & b.remove_state(108) & b.remove_state(116)
          else
            if key != :dmg_ennemi
              if a.class_id == 13
                b.add_state(141)
                elsif a.class_id == 12 or a.class_id == 14
                  b.add_state(133)
                  else
                    b.add_state(125)
              end
              else
                b.add_state(141)
            end
        end
      when 7 # Ténèbres
        if b.state?(101) or b.state?(109) b.state?(117)
          b.remove_state(101) & b.remove_state(109) & b.remove_state(117)
          else
            if key != :dmg_ennemi
              if a.class_id == 13
                b.add_state(142)
                elsif a.class_id == 12 or a.class_id == 14
                  b.add_state(134)
                  else
                    b.add_state(126)
              end
              else
                b.add_state(142)
            end
        end
    end
    if key != :dmg_ennemi
      if a.class_id == 13
        vulne = 20 + a.mat * 1.2- b.mdf
        elsif a.class_id == 12 or a.class_id == 14
          vulne = 10 + a.mat - b.mdf
          else
            vulne = a.mat * 0.8 - b.mdf
      end
      else
        vulne = 20 + a.mat * 1.2- b.mdf
    end
    if b.state?(81)
      key = check_perso(b)
      @@hash_mod_formule[key] += vulne
    end
    return vulne
  end