Mehhhh

# // <var_req>

module DBZ
  module SkillLevel
    MAX_LEVEL = 10
    REQ_VAR = []
    # REQ_VAR[level] = [var_id, value]
    var = 1
    REQ_VAR[0] = [var, 0]
    REQ_VAR[1] = [var, 1]
    REQ_VAR[2] = [var, 5]
    REQ_VAR[3] = [var, 10]
    REQ_VAR[4] = [var, 15]
    REQ_VAr[5] = [var, 20]
    REQ_VAR[6] = [var, 30]
    REQ_VAR[7] = [var, 40]
    REQ_VAR[8] = [var, 50]
    REQ_VAR[9] = [var, 60]
    REQ_VAR[10] = [var, 70]

  end
end

class RPG::Skill

  def variable_req?
    @variable_req ||= self.note =~ /<VAR_REQ>/i
    return true #@variable_req
  end

end

class Game_Actor

  def skill_can_levelup?(skill_id)
    if $data_skills[skill_id].variable_req?
      lvl = [[(skill_level(skill_id)+1), DBZ::SkillLevel::MAX_LEVEL].min, 0].max
      req = DBZ::SkillLevel::REQ_VAR[lvl]
      return false unless $game_variables[req[0]] >= req[1]
    end
    return true
  end

  def level_up_skill(skill_id, free=true)
    @skill_lvls[skill_id] += 1
    unless free
      skp = DBZ::SkillLevel::SKP_REQ
      if DBZ::SkillLevel::SKP_CURVE > 0
        skp += (skill_level(skill_id)-1) * DBZ::SkillLevel::SKP_CURVE
      end
      @skp -= skp
    end
    unlock_skills
  end

end

class Scene_Skill

  def update_skill_selection
    if Input.trigger?(Input::B)
      Sound.play_cancel
      return_scene
    elsif Input.trigger?(Input::R)
      Sound.play_cursor
      next_actor
    elsif Input.trigger?(Input::L)
      Sound.play_cursor
      prev_actor
    elsif Input.trigger?(Input::C)
      @skill = @skill_window.skill
      if @actor.skill_learn?(@skill)
        if @skill != nil
          @actor.last_skill_id = @skill.id
        end
        if @actor.skill_can_use?(@skill)
          Sound.play_decision
          determine_skill
        else
          Sound.play_buzzer
        end
      else
        Sound.play_buzzer
      end
      @actor.last_skill_id = nil
    elsif Input.trigger?(Input::X)
      skill_id = @skill_window.skill.id
      req = DBZ::SkillLevel::SKP_REQ
      req += (@actor.skill_level(skill_id)) * DBZ::SkillLevel::SKP_CURVE
      skill_points = @actor.skill_points >= req
      if @actor.skill_level(skill_id) < @actor.max_lvl(skill_id) and skill_points and @actor.skill_can_levelup?(skill_id)
        Sound.play_use_item
        unless @actor.skill_learn?($data_skills[skill_id])
          @actor.learn_skill(skill_id, false)
          @skill_window.index = @actor.skills.size-1
        else
          @actor.level_up_skill(skill_id, false)
        end
        @skp_window.refresh
        @skill_window.refresh
      else
        Sound.play_buzzer
      end
    end
  end

end