[XP Script] Easy Battle Back Stretching

Code:
#==============================================================================

# ?? Easy Battle Back Stretching

#------------------------------------------------------------------------------

# Trickster (tricksterguy@hotmail.com)

# Version 2.0

# Date 5/31/07

# Goto rmxp.org for updates/support/bug reports

#------------------------------------------------------------------------------

# This script allows you to use 640x480 battle back images for the battle

# scene. It also stretches the images if they aren't 640 by 480.

#==============================================================================



#--------------------------------------------------------------------------

# Begin SDK Log

#--------------------------------------------------------------------------

SDK.log('Easy Battle Back Stretching', 'Trickster', 2.0, '5/31/07')



#--------------------------------------------------------------------------

# Begin SDK Requirement Check

#--------------------------------------------------------------------------

SDK.check_requirements(2.0, [1, 2])



#--------------------------------------------------------------------------

# Begin SDK Enabled Check

#--------------------------------------------------------------------------

if SDK.enabled?('Easy Battle Back Stretching')

  

class Spriteset_Battle

  #--------------------------------------------------------------------------

  # * Object Initialization

  #--------------------------------------------------------------------------

  alias_method :trick_stretch_battle_init_viewport, :init_viewport 

  def init_viewport 

    # The Usual

    trick_stretch_battle_init_viewport

    # Setup Viewport Rectangle

    @viewport1.rect.set(0, 0, 640, 480)

  end

  #--------------------------------------------------------------------------

  # * Frame Update

  #--------------------------------------------------------------------------

  def update_battleback

    # If battleback file name is different from current one

    if @battleback_name != $game_temp.battleback_name

      # Set Battle Back

      @battleback_name = $game_temp.battleback_name

      # If Bitmap Defined

      if @battleback_sprite.bitmap != nil

        # Dispose Bitmap

        @battleback_sprite.bitmap.dispose

      end

      # Create Bitmap

      @battleback_sprite.bitmap = RPG::Cache.battleback(@battleback_name)

      # Setup Source Rectangle

      @battleback_sprite.src_rect.set(0, 0, 640, 480)

      # If height is not 480 pixels

      if @battleback_sprite.bitmap.height != 480

        # Setup Zoom Y

        @battleback_sprite.zoom_y = 480.0 / @battleback_sprite.bitmap.height

      end

      # If width is not 640 pixels

      if @battleback_sprite.bitmap.width != 640

        # Setup Zoom X

        @battleback_sprite.zoom_x = 640.0 / @battleback_sprite.bitmap.width

      end

    end

  end

end

#--------------------------------------------------------------------------

# * End SDK Enable Test

#--------------------------------------------------------------------------

end