Tsukihime Rotate Formation

=begin
#==============================================================================
 ** Rotate Formation
 Author: Tsukihime
 Date: Oct 30, 2012
------------------------------------------------------------------------------
 ** Change log
 Oct 30, 2012
   - changed it to rotate left or rotate right. Just delete what you don't need
 Oct 29, 2012
   - initial release
------------------------------------------------------------------------------
 ** Terms of Use
 * Free to use in commercial/non-commercial projects
 * No real support. The script is provided as-is
 * Will do bug fixes, but no compatibility patches
 * Features may be requested but no guarantees, especially if it is non-trivial
 * Preserve this header
------------------------------------------------------------------------------
 Rotates the formation of your battle members on the map left by 1.
 Press A to rotate formation.

 You can configure this button below.
 You can also configure which direction they rotate
#==============================================================================
=end
$imported = {} if $imported.nil?
$imported["Tsuki_RotateFormation"] = true
#==============================================================================
# ** Configuration
#=============================================================================
module Tsuki
  module Rotate_Formation
    Rotate_L_Button = :L   # key to rotate formation
    Rotate_R_Button = :R
  end
end
#==============================================================================
# ** Rest of the script
#=============================================================================

class Game_Party < Game_Unit

  def rotate_formation_left
    j = [@actors.size, max_battle_members].min
    @actors = @actors[0...j].rotate.concat((@actors[j+1..-1] || []))
    $game_player.refresh
  end

  def rotate_formation_right
    j = [@actors.size, max_battle_members].min
    @actors = @actors[0...j].rotate(-1).concat((@actors[j+1..-1] || []))
    $game_player.refresh
  end
end

# If you don't want to rotate by button-press just delete this class
class Scene_Map < Scene_Base

  alias :th_rot_form_update_scene :update_scene
  def update_scene
    th_rot_form_update_scene
    update_rotate_formation unless scene_changing?
  end

  # new
  def update_rotate_formation
    $game_party.rotate_formation_left if Input.trigger?(Tsuki::Rotate_Formation::Rotate_L_Button)
    $game_party.rotate_formation_right if Input.trigger?(Tsuki::Rotate_Formation::Rotate_R_Button)
  end
end