[RGSS/2/3] Swap Switch and Variables

['variables','switches','self_switches'].each_with_index {|d,i| eval "
class #{defined?(Window_ActorCommand) ? 'Game_' : ''}Interpreter
  #--------------------------------------------------------------------------
  # * swap_variables(VAR_1,VAR_2)
  # * swap_switches(SWITCH_1,SWITCH_2)
  # * swap_self_switches(X,X) => X = 'A','B','C', or 'D'
  # * swap_self_switches(X,X) => X = [@map_id,@event_id,'A'/'B'/'C'/'D']
  #--------------------------------------------------------------------------
  def swap_#{d}(from, to)
    from = [@map_id,@event_id,from.to_s] if !from.is_a?(Array) && #{i} == 2
    to   = [@map_id,@event_id,  to.to_s] if   !to.is_a?(Array) && #{i} == 2
    temp = [$game_#{d}[from], $game_#{d}[to]]
    $game_#{d}[to], $game_#{d}[from] = temp
    $game_map.need_refresh = true
  end
end#"}