[IEX2]Mp-Exhaust

#==============================================================================#
# ● IEX2 - Mp-Exhaust [VX]
#==============================================================================#
# // • Created By    : IceDragon
# // • Data Created  : 04/08/2012
# // • Data Modified : 04/08/2012
# // • Version       : 0.5
# // • RGSS.design   : 2 (VX-Default)
#==============================================================================#
# ● Installation
#     Below
#       Material
#     Above
#       Main
#==============================================================================#
# ● How to Use
#     In a skill's notebox:
#       <exhaust>
#         User can use skill regardless of costs
#         If the user does not have enough MP it will be taken from its HP
#         The user will use the skill regardless if it takes its life in the
#         process.
#
#==============================================================================#
# ● Change Log
#     ♣ 04/08/2012 V0.5
#         Completed Script
#==============================================================================#
class RPG::Skill
  def hp_cost()
    @hp_cost||=(self.note.match(/<HP(?:_COST| COST):[ ]*(\d+)>/i)||["",0])[1].to_i
  end unless method_defined? :hp_cost
  attr_writer :hp_cost unless method_defined? :hp_cost=
  def mp_exhaust?()
    if(@mp_exhaust.nil?)
      @mp_exhaust = !!(self.note =~ /<EXHAUST>/i)
    end
    @mp_exhaust
  end
  attr_writer :mp_exhaust
end
class Game_Battler
  def skill_can_use?(skill)
    return false unless skill.is_a?(RPG::Skill)
    return false unless movable?
    return false if silent? and skill.spi_f > 0
    return false unless skill_cost_payable?(skill)
    if $game_temp.in_battle
      return skill.battle_ok?
    else
      return skill.menu_ok?
    end
  end
  # // VXA Style
  def skill_cost_payable?(item)
    return true if(item.mp_exhaust?())
    return false if(calc_mp_cost(item) > mp)
    return false if(calc_hp_cost(item) > hp)
    return true
  end
  def use_item(item)
    pay_skill_cost(item) if(item.is_a?(RPG::Skill))
    consume_item(item)   if(item.is_a?(RPG::Item))
  end
  def pay_skill_cost(item)
    cmp = calc_mp_cost(item)
    self.mp = cmp = self.mp - cmp
    self.hp -= calc_hp_cost(item)
    self.hp -= [-cmp,0].max if(item.mp_exhaust?) # // Exhaust
  end
  def consume_item(item)
    $game_party.consume_item(item)
  end unless method_defined? :consume_item
  def calc_hp_cost(item)
    item.hp_cost
  end
end
class Window_Skill
  def draw_item(index)
    rect = item_rect(index)
    self.contents.clear_rect(rect)
    skill = @data[index]
    if skill != nil
      rect.width -= 4
      enabled = @actor.skill_can_use?(skill)
      draw_item_name(skill, rect.x, rect.y, enabled)
      draw_skill_cost(skill, rect)
    end
  end
  def draw_skill_cost(skill,rect)
    hcost = @actor.calc_hp_cost(skill)
    mcost = @actor.calc_mp_cost(skill)
    oldc = self.contents.font.color
    if(mcost > 0) && (hcost > 0)
      self.contents.font.color = hp_gauge_color2
      self.contents.draw_text(rect, hcost, 2)
      rect.width -= 40
      self.contents.font.color = mp_gauge_color2
      self.contents.draw_text(rect, mcost, 2)
    elsif(hcost > 0)
      self.contents.font.color = hp_gauge_color2
      self.contents.draw_text(rect, hcost, 2)
    elsif(mcost > 0)
      self.contents.font.color = mp_gauge_color2
      self.contents.draw_text(rect, mcost, 2)
    end
    self.contents.font.color = oldc
  end
end
class Scene_Skill
  def use_skill_nontarget
    Sound.play_use_skill
    @actor.use_item(@skill) # //
    @status_window.refresh
    @skill_window.refresh
    @target_window.refresh
    if $game_party.all_dead?
      $scene = Scene_Gameover.new
    elsif @skill.common_event_id > 0
      $game_temp.common_event_id = @skill.common_event_id
      $scene = Scene_Map.new
    end
  end
end
class Scene_Battle
  def execute_action_skill
    skill = @active_battler.action.skill
    text = @active_battler.name + skill.message1
    @message_window.add_instant_text(text)
    unless skill.message2.empty?
      wait(10)
      @message_window.add_instant_text(skill.message2)
    end
    targets = @active_battler.action.make_targets
    display_animation(targets, skill.animation_id)
    @active_battler.use_item(skill) # //
    $game_temp.common_event_id = skill.common_event_id
    for target in targets
      target.skill_effect(@active_battler, skill)
      display_action_effects(target, skill)
    end
  end
end
#=■==========================================================================■=#
#                           // ● End of File ● //                              #
#=■==========================================================================■=#