Custom Window

#==============================================================
# http://thiagodd.blogspot.com.br
# [TSDA] Custom Window
#   --> Version 1.2
# by thiago_d_d
#
#--------------------------------------------------------------
# * Features
#--------------------------------------------------------------
# + Adds an windows to the map that can show up to 2 variables
#   value. That windows is customizable.
#--------------------------------------------------------------
# * Configuration
#--------------------------------------------------------------
# Edit lines below.
#==============================================================
module TSDA
  #Swicth that activates the HUD
  HUD_SWITCH_ID = 1
  #Variables text
  HUD_TEXT1 = "Var1: "
  HUD_TEXT2 = "Var2: "
  #ID of variables that will be shown
  # Put 0 on VAR2_ID if you don't want to show an second variable.
  VAR1_ID = 1
  VAR2_ID = 2
  #Text Font
  HUD_FONTNAME = "Tahoma"
  HUD_FONTSIZE = 18
  #window ipacity
  HUD_OPACITY = 0
  #position and dimension of the window
  HUD_POSX = 0
  HUD_POSY = 0
  HUD_WIDTH = 224
  HUD_HEIGHT = 96
end
#--------------------------------------------------------------
class Window_S_HUD < Window_Base
  include TSDA
  def initialize
    super(HUD_POSX,HUD_POSY,HUD_WIDTH,HUD_HEIGHT)
    self.contents = Bitmap.new(width - 32, height - 32)
    self.contents.font.name = HUD_FONTNAME
    self.contents.font.size = HUD_FONTSIZE
    self.back_opacity = HUD_OPACITY
    self.opacity = HUD_OPACITY
    @var1 = $game_variables[VAR1_ID]
    @var2 = $game_variables[VAR2_ID]
    self.visible = $game_switches[HUD_SWITCH_ID]
    refresh
  end
  #------------------------------------------------------------
  def update
    super
    if @var1 != $game_variables[VAR1_ID] ||
      @var2 != $game_variables[VAR2_ID]
      refresh
    end
  end
  #------------------------------------------------------------
  def refresh
    self.contents.clear
    w1 = self.contents.text_size(HUD_TEXT1).width
    w2 = self.contents.text_size(HUD_TEXT2).width
    self.contents.font.color = system_color
    self.contents.draw_text(0,0,w1,32,HUD_TEXT1)
    self.contents.draw_text(0,32,w2,32,HUD_TEXT2)
    self.contents.font.color = normal_color
    self.contents.draw_text(w1 + 4,0,194 - w1,32,
    @var1.to_s)
    if VAR2_ID != 0
      self.contents.draw_text(w2 + 4,32,194 - w2,32,
      @var2.to_s)
    end
  end
end
#--------------------------------------------------------------
class Scene_Map
  include TSDA
  alias old_update_hud_s update
  def update
    old_update_hud_s
    @window_hud_s.visible =
    $game_switches[HUD_SWITCH_ID]
    @window_hud_s.update
  end
  #------------------------------------------------------------
  alias old_main_hud_s main
  def main
    @window_hud_s = Window_S_HUD.new
    old_main_hud_s
    @window_hud_s.dispose
  end
end