Simple Menu Cursor

SimpleMenuCursor

class Sprite_Cursor < Sprite
  
  def initialize(viewport=nil, window)
    super(viewport)
    @window = window
    @name = "Menu_Cursor"
  end
  
  def update
    super
    update_visibility
    update_bitmap
    update_position
  end
  
  def update_bitmap
    self.bitmap = Cache.system(@name)
  end
  
  def update_visibility
    @index = @window.index
    if @window.close?
      self.visible = false
    elsif !@window.visible
      self.visible = false
    elsif @index < 0
      self.visible = false
    else
      self.visible = true
    end
  end
  
  def update_position
    @index = @window.index
    rect = @window.item_rect(@index)
    self.x = @window.x + rect.x
    self.y = @window.y + rect.y
    self.z = @window.z + 100
  end
  
  def dispose    
    self.bitmap.dispose
    super
  end
end

class Window_Selectable
  alias :th_menu_cursor_initialize :initialize
  def initialize(*args)
    @sprite_cursor = Sprite_Cursor.new(self)
    th_menu_cursor_initialize(*args)
  end
  
  alias :th_menu_cursor_update :update
  def update
    @sprite_cursor.update
    th_menu_cursor_update    
  end
  
  alias :th_menu_cursor_dispose :dispose
  def dispose
    @sprite_cursor.dispose
    th_menu_cursor_dispose
  end
end