Better Autoshadow Removal

##------
## By Neon Black

module MapInfo
  def self.begin
    return unless $TEST
    @mapinfo = mapinfo
    remove_autoshadows
  end

  def self.mapinfo
    load_data("Data/MapInfos.rvdata2")
  end

  def self.remove_autoshadows
    return unless @mapinfo
    @mapinfo.keys.each do |map_id|
      map = load_map(map_id)
      map.width.times do |x|
        map.height.times do |y|
          remove = map.data[x, y, 3] & 0b1111
          map.data[x, y, 3] -= remove
        end
      end
      save_map(map, map_id)
    end
  end

  def self.load_map(map_id)
    load_data(sprintf("Data/Map%03d.rvdata2", map_id))
  end

  def self.save_map(map, map_id)
    save_data(map, sprintf("Data/Map%03d.rvdata2", map_id))
  end
end

MapInfo.begin