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/* $Id$ */

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#ifndef NETWORK_INTERNAL_H

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#define NETWORK_INTERNAL_H

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#ifdef ENABLE_NETWORK

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#include "../player_type.h"

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#include "../economy_type.h"

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#include "core/config.h"

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#include "core/game.h"

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// If this line is enable, every frame will have a sync test

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//  this is not needed in normal games. Normal is like 1 sync in 100

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//  frames. You can enable this if you have a lot of desyncs on a certain

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//  game.

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// Remember: both client and server have to be compiled with this

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//  option enabled to make it to work. If one of the two has it disabled

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//  nothing will happen.

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//#define ENABLE_NETWORK_SYNC_EVERY_FRAME

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// In theory sending 1 of the 2 seeds is enough to check for desyncs

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//   so in theory, this next define can be left off.

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//#define NETWORK_SEND_DOUBLE_SEED

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// How many clients can we have? Like.. MAX_PLAYERS - 1 is the amount of

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//  players that can really play.. so.. a max of 4 spectators.. gives us..

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//  MAX_PLAYERS + 3

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#define MAX_CLIENTS (MAX_PLAYERS + 3)

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// Do not change this next line. It should _ALWAYS_ be MAX_CLIENTS + 1

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#define MAX_CLIENT_INFO (MAX_CLIENTS + 1)

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#define MAX_INTERFACES 9

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// How many vehicle/station types we put over the network

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#define NETWORK_VEHICLE_TYPES 5

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#define NETWORK_STATION_TYPES 5

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struct NetworkPlayerInfo {

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	char company_name[NETWORK_NAME_LENGTH];         // Company name

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	char password[NETWORK_PASSWORD_LENGTH];         // The password for the player

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	Year inaugurated_year;                          // What year the company started in

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	Money company_value;                            // The company value

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	Money money;                                    // The amount of money the company has

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	Money income;                                   // How much did the company earned last year

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	uint16 performance;                             // What was his performance last month?

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	bool use_password;                              // Is there a password

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	uint16 num_vehicle[NETWORK_VEHICLE_TYPES];      // How many vehicles are there of this type?

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	uint16 num_station[NETWORK_STATION_TYPES];      // How many stations are there of this type?

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	char players[NETWORK_PLAYERS_LENGTH];           // The players that control this company (Name1, name2, ..)

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	uint16 months_empty;                            // How many months the company is empty

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};

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struct NetworkClientInfo {

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	uint16 client_index;                            // Index of the client (same as ClientState->index)

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	char client_name[NETWORK_CLIENT_NAME_LENGTH];   // Name of the client

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	byte client_lang;                               // The language of the client

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	PlayerID client_playas;                         // As which player is this client playing (PlayerID)

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	uint32 client_ip;                               // IP-address of the client (so he can be banned)

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	Date join_date;                                 // Gamedate the player has joined

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	char unique_id[NETWORK_UNIQUE_ID_LENGTH];       // Every play sends an unique id so we can indentify him

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};

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enum NetworkJoinStatus {

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	NETWORK_JOIN_STATUS_CONNECTING,

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	NETWORK_JOIN_STATUS_AUTHORIZING,

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	NETWORK_JOIN_STATUS_WAITING,

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	NETWORK_JOIN_STATUS_DOWNLOADING,

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	NETWORK_JOIN_STATUS_PROCESSING,

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	NETWORK_JOIN_STATUS_REGISTERING,

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	NETWORK_JOIN_STATUS_GETTING_COMPANY_INFO,

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};

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/* Language ids for server_lang and client_lang. Do NOT modify the order. */

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enum NetworkLanguage {

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	NETLANG_ANY = 0,

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	NETLANG_ENGLISH,

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	NETLANG_GERMAN,

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	NETLANG_FRENCH,

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	NETLANG_BRAZILIAN,

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	NETLANG_BULGARIAN,

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	NETLANG_CHINESE,

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	NETLANG_CZECH,

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	NETLANG_DANISH,

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	NETLANG_DUTCH,

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	NETLANG_ESPERANTO,

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	NETLANG_FINNISH,

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	NETLANG_HUNGARIAN,

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	NETLANG_ICELANDIC,

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	NETLANG_ITALIAN,

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	NETLANG_JAPANESE,

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	NETLANG_KOREAN,

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	NETLANG_LITHUANIAN,

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	NETLANG_NORWEGIAN,

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	NETLANG_POLISH,

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	NETLANG_PORTUGUESE,

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	NETLANG_ROMANIAN,

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	NETLANG_RUSSIAN,

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	NETLANG_SLOVAK,

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	NETLANG_SLOVENIAN,

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	NETLANG_SPANISH,

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	NETLANG_SWEDISH,

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	NETLANG_TURKISH,

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	NETLANG_UKRAINIAN,

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	NETLANG_COUNT

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};

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VARDEF NetworkGameInfo _network_game_info;

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VARDEF NetworkPlayerInfo _network_player_info[MAX_PLAYERS];

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VARDEF NetworkClientInfo _network_client_info[MAX_CLIENT_INFO];

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VARDEF char _network_player_name[NETWORK_CLIENT_NAME_LENGTH];

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VARDEF char _network_default_ip[NETWORK_HOSTNAME_LENGTH];

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VARDEF uint16 _network_own_client_index;

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VARDEF char _network_unique_id[NETWORK_UNIQUE_ID_LENGTH]; // Our own unique ID

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VARDEF uint32 _frame_counter_server; // The frame_counter of the server, if in network-mode

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VARDEF uint32 _frame_counter_max; // To where we may go with our clients

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VARDEF uint32 _last_sync_frame; // Used in the server to store the last time a sync packet was sent to clients.

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// networking settings

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VARDEF uint32 _broadcast_list[MAX_INTERFACES + 1];

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VARDEF uint16 _network_server_port;

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/* We use bind_ip and bind_ip_host, where bind_ip_host is the readable form of

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    bind_ip_host, and bind_ip the numeric value, because we want a nice number

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    in the openttd.cfg, but we wants to use the uint32 internally.. */

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VARDEF uint32 _network_server_bind_ip;

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VARDEF char _network_server_bind_ip_host[NETWORK_HOSTNAME_LENGTH];

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VARDEF bool _is_network_server; // Does this client wants to be a network-server?

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VARDEF char _network_server_name[NETWORK_NAME_LENGTH];

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VARDEF char _network_server_password[NETWORK_PASSWORD_LENGTH];

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VARDEF char _network_rcon_password[NETWORK_PASSWORD_LENGTH];

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VARDEF char _network_default_company_pass[NETWORK_PASSWORD_LENGTH];

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VARDEF uint16 _network_max_join_time;             ///< Time a client can max take to join

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VARDEF bool _network_pause_on_join;               ///< Pause the game when a client tries to join (more chance of succeeding join)

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VARDEF uint16 _redirect_console_to_client;

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VARDEF uint16 _network_sync_freq;

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VARDEF uint8 _network_frame_freq;

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VARDEF uint32 _sync_seed_1, _sync_seed_2;

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VARDEF uint32 _sync_frame;

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VARDEF bool _network_first_time;

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// Vars needed for the join-GUI

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VARDEF NetworkJoinStatus _network_join_status;

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VARDEF uint8 _network_join_waiting;

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VARDEF uint16 _network_join_kbytes;

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VARDEF uint16 _network_join_kbytes_total;

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VARDEF char _network_last_host[NETWORK_HOSTNAME_LENGTH];

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VARDEF short _network_last_port;

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VARDEF uint32 _network_last_host_ip;

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VARDEF uint8 _network_reconnect;

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VARDEF bool _network_udp_server;

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VARDEF uint16 _network_udp_broadcast;

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VARDEF byte _network_lan_internet;

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VARDEF bool _network_need_advertise;

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VARDEF uint32 _network_last_advertise_frame;

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VARDEF uint8 _network_advertise_retries;

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VARDEF bool _network_autoclean_companies;

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VARDEF uint8 _network_autoclean_unprotected; // Remove a company after X months

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VARDEF uint8 _network_autoclean_protected;   // Unprotect a company after X months

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VARDEF Year _network_restart_game_year;      // If this year is reached, the server automaticly restarts

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VARDEF uint8 _network_min_players;           // Minimum number of players for game to unpause

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void NetworkTCPQueryServer(const char* host, unsigned short port);

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byte NetworkSpectatorCount();

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VARDEF char *_network_host_list[10];

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VARDEF char *_network_ban_list[25];

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void ParseConnectionString(const char **player, const char **port, char *connection_string);

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void NetworkUpdateClientInfo(uint16 client_index);

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void NetworkAddServer(const char *b);

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void NetworkRebuildHostList();

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bool NetworkChangeCompanyPassword(byte argc, char *argv[]);

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void NetworkPopulateCompanyInfo();

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void UpdateNetworkGameWindow(bool unselect);

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void CheckMinPlayers();

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void NetworkStartDebugLog(const char *hostname, uint16 port);

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void NetworkUDPCloseAll();

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void NetworkGameLoop();

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void NetworkUDPGameLoop();

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bool NetworkServerStart();

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bool NetworkClientConnectGame(const char *host, uint16 port);

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void NetworkReboot();

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void NetworkDisconnect();

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bool IsNetworkCompatibleVersion(const char *version);

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#endif /* ENABLE_NETWORK */

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#endif /* NETWORK_INTERNAL_H */