[RGSS/2] DRG - Scene Menu Animated Cursor

#==============================================================================
# ** DRG - Scene Menu Animated Cursor
# Version : 1.00
# Author : LiTTleDRAgo
#==============================================================================
module LiTTleDRAgo

  MENU_CURSOR_IMAGE = 'Cursor' # Place the image to Graphics/Windowskins
  MENU_CURSOR_FRAME = 8        # Cursor image frame

end
#==============================================================================
# * End Configuration
#==============================================================================
raise "This script needs Drago - Scene Menu" unless $drago_simple_cms
($imported||={})[:drg_scene_menu_animated_cursor] = 1.00
#==============================================================================
# ** Scene_Menu
#------------------------------------------------------------------------------
#  This class performs menu screen processing.
#==============================================================================
class Scene_Menu
  #--------------------------------------------------------------------------
  # * Constant
  #--------------------------------------------------------------------------
  FRAME = LiTTleDRAgo::MENU_CURSOR_FRAME
  #--------------------------------------------------------------------------
  # * Alias Listing
  #--------------------------------------------------------------------------
  alias_method :create_arrow_bitmap, :create_arrow
  alias_method :update_arrow_bitmap, :update_arrow
  #--------------------------------------------------------------------------
  # * Create Arrow
  #--------------------------------------------------------------------------
  def create_arrow(*args)
    create_arrow_bitmap(*args)
    @sprite_arrow.bitmap = bitmap = windowskin(LiTTleDRAgo::MENU_CURSOR_IMAGE)
    @sprite_arrow.src_rect.set(0, 0, bitmap.width / FRAME, bitmap.height)
  end
  #--------------------------------------------------------------------------
  # * update_Arrow
  #--------------------------------------------------------------------------
  def update_arrow(*args)
    update_arrow_bitmap(*args)
    width  = @sprite_arrow.bitmap.width / FRAME
    height = @sprite_arrow.bitmap.height
    @pattern_arrow = ((@pattern_arrow || 0) + 0.2) % FRAME
    @sprite_arrow.src_rect.set(@pattern_arrow.floor * width, 0, width, height)
  end
end