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#==============================================================================
# ** Window_Skill
#------------------------------------------------------------------------------
#  This window displays usable skills on the skill and battle screens.
#==============================================================================

class Window_BattleSkill < Window_Selectable
  #--------------------------------------------------------------------------
  # * Object Initialization
  #     actor : actor
  #--------------------------------------------------------------------------
  def initialize(actor)
    super(0, 128, 320, 352)
    @actor = actor
    refresh
    self.index = 0
    # If in battle, move window to center of screen
    # and make it semi-transparent
    if $game_temp.in_battle
      self.y = 64
      self.height = 256
      self.back_opacity = 160
    end
  end
  #--------------------------------------------------------------------------
  # * Acquiring Skill
  #--------------------------------------------------------------------------
  def skill
    return @data[self.index]
  end
  #--------------------------------------------------------------------------
  # * Refresh
  #--------------------------------------------------------------------------
  def refresh
    if self.contents != nil
      self.contents.dispose
      self.contents = nil
    end
    @data = []
    @actor.skills.each do |skill_id|
    skill = $data_skills[skill_id]
    @data << skill if skill != nil && skill.element_set.include?(18)
    end
    # If item count is not 0, make a bit map and draw all items
    @item_max = @data.size
    if @item_max > 0
      #self.contents = Bitmap.new(width - 32, row_max * 32)
      self.contents = Bitmap.new(width - 32, height - 32)
      for i in 0...@item_max
        draw_item(i)
      end
    end
  end
  #--------------------------------------------------------------------------
  # * Draw Item
  #     index : item number
  #--------------------------------------------------------------------------
  def draw_item(index)
    skill = @data[index]
    if @actor.skill_can_use?(skill.id)
      self.contents.font.color = normal_color
    else
      self.contents.font.color = disabled_color
    end
    x = 4 + index * (288 + 32)
    y = index * 32
    rect = Rect.new(x, y, self.width, 32)
    self.contents.fill_rect(rect, Color.new(0, 0, 0, 0))
    bitmap = RPG::Cache.icon(skill.icon_name)
    opacity = self.contents.font.color == normal_color ? 255 : 128
    self.contents.blt(x, y + 4, bitmap, Rect.new(0, 0, 24, 24), opacity)
    self.contents.draw_text(x + 28, y, 204, 32, skill.name, 0)
    self.contents.draw_text(x + 232, y, 48, 32, skill.sp_cost.to_s, 2)
  end
  #--------------------------------------------------------------------------
  # * Help Text Update
  #--------------------------------------------------------------------------
  def update_help
    @help_window.set_text(self.skill == nil ? "" : self.skill.description)
  end
end