[XP Script] Map Tileset Changer during the game

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

#**Map Tileset Changer during the game

#**Author: Narzew

#**Release Date: 06.05.13

#**Version: 3.00

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

#**Version Listing:

#**Version 1.00 : 01.04.12 : Basic Release

#**Version 2.00 : 28.04.12 : Compatibilty patch

#**Version 3.00 : 06.05.13 : Added helpers to change tileset in one line

#**Get latest script here: https://pastebin.com/bWmhyygL

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

#**License:

#**Creative Commons Share-Alike (CC-SA)

#**Use free, but give credit to author

#**Please don't share script in clear form. Share link to pastebin.

#**Modify free, but give credit to author

#**If you modify the script, please attribute your work to narzew@gmail.com

#**Do not sell this script

#**Do not change license of the modified script

#**Do not sell modified script

#**Do not made commercial games with this script if you don't have

#**original author permission

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

#**For scripters:

#**+ = added

#**- = removed

#** ! = rewrited

#** *= aliased

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

#** Game_Map::setup*

#** Scene_Map::refresh+

#** Engine Module new

#** Engine.mtc_preconfigure+

#** Engine.mtc_enable+

#** Engine.mtc_disable+

#** Engine.change_tileset+

#** Engine.change_tileset_id+

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

#**Instructions :

#**Select the tileset ID and type : Engine.change_tileset(x), where x is the ID

#**of the tileset.

#**If you use custom protect system, you should look at line 121.

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

#**Method Listing:

#**Engine.mtc_preconfigure : required to work variable pre-configuration

#**Engine.mtc_enable : enables the script

#**Engine.mtc_disable : disables the script

#**Engine.change_tileset(x) : changes the tileset to x (int)

#**Engine.change_tileset_id(x) : same as change_tileset

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



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

#**Script

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



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

#**Game_Map class

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



class Game_Map

  

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

  #**Game_Map::setup rewrite

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

  

  alias mtc_setup setup

  def setup(map_id)

    mtc_setup(map_id)

    if $mtc_script_working

      tileset = $data_tilesets[$mtc_tileset_id] if $mtc_script_working

    else

      tileset = $data_tilesets[@map.tileset_id]

    end

    @tileset_name = tileset.tileset_name

    @autotile_names = tileset.autotile_names

    @panorama_name = tileset.panorama_name

    @panorama_hue = tileset.panorama_hue

    @fog_name = tileset.fog_name

    @fog_hue = tileset.fog_hue

    @fog_opacity = tileset.fog_opacity

    @fog_blend_type = tileset.fog_blend_type

    @fog_zoom = tileset.fog_zoom

    @fog_sx = tileset.fog_sx

    @fog_sy = tileset.fog_sy

    @battleback_name = tileset.battleback_name

    @passages = tileset.passages

    @priorities = tileset.priorities

    @terrain_tags = tileset.terrain_tags

  end

  

end



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

#**Scene_Map class

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



class Scene_Map

  

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

  #**refresh

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

  

  def refresh

    @spriteset = Spriteset_Map.new

  end

  

end



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

#**module Engine

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



module Engine

  

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

  #**mtc_preconfigure

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

  

  def self.mtc_preconfigure

    $data_map_infos = load_data('Data/MapInfos.rxdata')

    $mtc_tileset_id = 1

    $mtc_script_working = false

    $actual_map = 1 if $actual_map == nil

  end

  

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

  #**mtc_enable

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

  

  def self.mtc_enable

    $mtc_script_working = true

  end

  

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

  #**mtc_disable

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

  

  def self.mtc_disable

    $mtc_script_working = false

    $game_map.setup($game_map.map_id)

    $scene.refresh

    $game_player.moveto($game_player.x,$game_player.y)

  end

  

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

  #**change_tileset

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

  

  def self.change_tileset(x,n=false)

    $mtc_tileset_id = x

    Engine.mtc_enable

    $game_map.setup($game_map.map_id)

    $scene.refresh

    $game_player.moveto($game_player.x,$game_player.y)

  end

  

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

  #**change_tileset_id

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

  

  def self.change_tileset_id(x)

    Engine.change_tileset(x)

  end

  

end



begin

  Engine.mtc_preconfigure

rescue

  print "Failed to load Narzew\'s Tileset Changer Script!"

  exit

end