* Enum with all types of TCP packets.

 * For the exact meaning, look at #NetworkGameSocketHandler.

	/*

	 * These first three pair of packets (thus six in

	 * total) must remain in this order for backward

	 * and forward compatability between clients that

	 * are trying to join directly.

	 */

	/* Packets sent by socket accepting code without ever constructing a client socket instance. */

	PACKET_SERVER_FULL,                  ///< The server is full and has no place for you.

	PACKET_SERVER_BANNED,                ///< The server has banned you.

	/* Packets used by the client to join and an error message when the revision is wrong. */

	PACKET_CLIENT_JOIN,                  ///< The client telling the server it wants to join.

	PACKET_SERVER_ERROR,                 ///< Server sending an error message to the client.

	/* Packets used for the pre-game lobby. */

	PACKET_CLIENT_COMPANY_INFO,          ///< Request information about all companies.

	PACKET_SERVER_COMPANY_INFO,          ///< Information about a single company.

	/*

	 * Packets after here assume that the client

	 * and server are running the same version. As

	 * such ordering is unimportant from here on.

	 *

	 * The following is the remainder of the packets

	 * sent as part of authenticating and getting

	 * the map and other important data.

	 */

	/* After the join step, the first is checking NewGRFs. */

	PACKET_SERVER_CHECK_NEWGRFS,         ///< Server sends NewGRF IDs and MD5 checksums for the client to check.

	PACKET_CLIENT_NEWGRFS_CHECKED,       ///< Client acknowledges that it has all required NewGRFs.

	/* Checking the game, and then company passwords. */

	PACKET_SERVER_NEED_GAME_PASSWORD,    ///< Server requests the (hashed) game password.

	PACKET_CLIENT_GAME_PASSWORD,         ///< Clients sends the (hashed) game password.

	PACKET_SERVER_NEED_COMPANY_PASSWORD, ///< Server requests the (hashed) company password.

	PACKET_CLIENT_COMPANY_PASSWORD,      ///< Client sends the (hashed) company password.

	/* The server welcomes the authenticated client and sends information of other clients. */

	PACKET_SERVER_WELCOME,               ///< Server welcomes you and gives you your #ClientID.

	PACKET_SERVER_CLIENT_INFO,           ///< Server sends you information about a client.

	/* Getting the savegame/map. */

	PACKET_CLIENT_GETMAP,                ///< Client requests the actual map.

	PACKET_SERVER_WAIT,                  ///< Server tells the client there are some people waiting for the map as well.

	PACKET_SERVER_MAP,                   ///< Server sends bits of the map to the client.

	PACKET_CLIENT_MAP_OK,                ///< Client tells the server that it received the whole map.

	PACKET_SERVER_JOIN,                  ///< Tells clients that a new client has joined.

	/*

	 * At this moment the client has the map and

	 * the client is fully authenticated. Now the

	 * normal communication starts.

	 */

	/* Game progress monitoring. */

	PACKET_SERVER_FRAME,                 ///< Server tells the client what frame it is in, and thus to where the client may progress.

	PACKET_CLIENT_ACK,                   ///< The client tells the server which frame it has executed.

	PACKET_SERVER_SYNC,                  ///< Server tells the client what the random state should be.

	/* Sending commands around. */

	PACKET_CLIENT_COMMAND,               ///< Client executed a command and sends it to the server.

	PACKET_SERVER_COMMAND,               ///< Server distributes a command to (all) the clients.

	/* Human communication! */

	PACKET_CLIENT_CHAT,                  ///< Client said something that should be distributed.

	PACKET_SERVER_CHAT,                  ///< Server distributing the message of a client (or itself).

	/* Remote console. */

	PACKET_CLIENT_RCON,                  ///< Client asks the server to execute some command.

	PACKET_SERVER_RCON,                  ///< Response of the executed command on the server.

	/* Moving a client.*/

	PACKET_CLIENT_MOVE,                  ///< A client would like to be moved to another company.

	PACKET_SERVER_MOVE,                  ///< Server tells everyone that someone is moved to another company.

	/* Configuration updates. */

	PACKET_CLIENT_SET_PASSWORD,          ///< A client (re)sets its company's password.

	PACKET_CLIENT_SET_NAME,              ///< A client changes its name.

	PACKET_SERVER_COMPANY_UPDATE,        ///< Information (password) of a company changed.

	PACKET_SERVER_CONFIG_UPDATE,         ///< Some network configuration important to the client changed.

	/* A server quitting this game. */

	PACKET_SERVER_NEWGAME,               ///< The server is preparing to start a new game.

	PACKET_SERVER_SHUTDOWN,              ///< The server is shutting down.

	/* A client quitting. */

	PACKET_CLIENT_QUIT,                  ///< A client tells the server it is going to quit.

	PACKET_SERVER_QUIT,                  ///< A server tells that a client has quit.

	PACKET_CLIENT_ERROR,                 ///< A client reports an error to the server.

	PACKET_SERVER_ERROR_QUIT,            ///< A server tells that a client has hit an error and did quit.

	PACKET_END                           ///< Must ALWAYS be on the end of this list!! (period)