koraktor/steam-condenser-ruby

# This code is free software; you can redistribute it and/or modify it under
# the terms of the new BSD License.
#
# Copyright (c) 2008-2015, Sebastian Staudt

require 'steam-condenser/servers/packets/s2a_info_base_packet'

module SteamCondenser::Servers::Packets

  # This class represents a S2A_INFO_DETAILED response packet sent by a Source
  # or GoldSrc server
  #
  # Out-of-date (before 10/24/2008) GoldSrc servers use an older format (see
  # {S2A_INFO_DETAILED_Packet}).
  #
  # @author Sebastian Staudt
  # @see GameServer#update_server_info
  class S2A_INFO2_Packet

    include S2A_INFO_BasePacket

    EDF_GAME_ID     = 0x01
    EDF_GAME_PORT   = 0x80
    EDF_SERVER_ID   = 0x10
    EDF_SERVER_TAGS = 0x20
    EDF_SOURCE_TV   = 0x40

    # Creates a new S2A_INFO2 response object based on the given data
    #
    # @param [String] data The raw packet data replied from the server
    # @see S2A_INFO_BasePacket#generate_info_hash
    def initialize(data)
      super S2A_INFO2_HEADER, data

      info.merge!({
        protocol_version: @content_data.getbyte,
        server_name: @content_data.cstring,
        map_name: @content_data.cstring,
        game_directory: @content_data.cstring,
        game_description: @content_data.cstring,
        app_id: @content_data.short,
        number_of_players: @content_data.getbyte,
        max_players: @content_data.getbyte,
        number_of_bots: @content_data.getbyte,
        dedicated: @content_data.getc,
        operating_system: @content_data.getc,
        password_needed: @content_data.getbyte == 1,
        secure: @content_data.getbyte == 1,
        game_version: @content_data.cstring
      })

      if @content_data.remaining > 0
        extra_data_flag = @content_data.getbyte

        if extra_data_flag & EDF_GAME_PORT != 0
          info[:server_port] = @content_data.short
        end

        if extra_data_flag & EDF_SERVER_ID != 0
          info[:server_id] = @content_data.long | (@content_data.long << 32)
        end

        if extra_data_flag & EDF_SOURCE_TV != 0
          info[:tv_port] = @content_data.short
          info[:tv_name] = @content_data.cstring
        end

        if extra_data_flag & EDF_SERVER_TAGS != 0
          info[:server_tags] = @content_data.cstring
        end

        if extra_data_flag & EDF_GAME_ID != 0
          info[:game_id] = @content_data.long | (@content_data.long << 32)
        end
      end
    end

  end
end