$MKXP = !!defined?(System)

def mkxp?
  return $MKXP
end

def pbSetWindowText(string)
  if mkxp?
    System.set_window_title(string || System.game_title)
  else
    Win32API.SetWindowText(string || "RGSS Player")
  end
end

class Bitmap
  if mkxp?
    alias mkxp_draw_text draw_text
    def draw_text(x, y, width, height, text, align = 0)
      height = text_size(text).height
      mkxp_draw_text(x, y, width, height, text, align)
    end
  end
end