author | bjarni |
Sat, 22 Jan 2005 23:55:45 +0000 | |
changeset 1099 | ad7522bd5c1c |
parent 1093 | 4fdc46eaf423 |
child 1188 | c322ea2768bc |
permissions | -rw-r--r-- |
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#ifndef NETWORK_DATA_H |
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#define NETWORK_DATA_H |
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#include "ttd.h" |
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#include "network.h" |
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// Is the network enabled? |
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#ifdef ENABLE_NETWORK |
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#define SEND_MTU 1460 |
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#define MAX_TEXT_MSG_LEN 1024 /* long long long long sentences :-) */ |
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// The client-info-server-index is always 1 |
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#define NETWORK_SERVER_INDEX 1 |
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#define NETWORK_EMPTY_INDEX 0 |
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// What version of game-info do we use? |
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#define NETWORK_GAME_INFO_VERSION 1 |
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// What version of company info is this? |
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#define NETWORK_COMPANY_INFO_VERSION 2 |
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// What version of master-server-protocol do we use? |
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#define NETWORK_MASTER_SERVER_VERSION 1 |
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typedef uint16 PacketSize; |
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typedef struct Packet { |
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struct Packet *next; |
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PacketSize size; |
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PacketSize pos; |
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byte buffer[SEND_MTU]; |
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} Packet; |
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typedef struct CommandPacket { |
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struct CommandPacket *next; |
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byte player; |
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uint32 cmd; |
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uint32 p1; |
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uint32 p2; |
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uint32 tile; // Always make it uint32, so it is bigmap compatible |
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uint32 dp[20]; // decode_params |
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uint32 frame; // In which frame must this packet be executed? |
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byte callback; |
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} CommandPacket; |
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typedef enum { |
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STATUS_INACTIVE, |
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STATUS_AUTH, // This means that the client is authorized |
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STATUS_MAP_WAIT, // This means that the client is put on hold because someone else is getting the map |
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STATUS_MAP, |
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STATUS_DONE_MAP, |
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STATUS_PRE_ACTIVE, |
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STATUS_ACTIVE, |
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} ClientStatus; |
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typedef enum { |
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MAP_PACKET_START, |
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MAP_PACKET_NORMAL, |
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MAP_PACKET_PATCH, |
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MAP_PACKET_END, |
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} MapPacket; |
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typedef enum { |
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NETWORK_RECV_STATUS_OKAY, |
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NETWORK_RECV_STATUS_DESYNC, |
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NETWORK_RECV_STATUS_SAVEGAME, |
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NETWORK_RECV_STATUS_CONN_LOST, |
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NETWORK_RECV_STATUS_MALFORMED_PACKET, |
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NETWORK_RECV_STATUS_SERVER_ERROR, // The server told us we made an error |
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NETWORK_RECV_STATUS_SERVER_FULL, |
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NETWORK_RECV_STATUS_SERVER_BANNED, |
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NETWORK_RECV_STATUS_CLOSE_QUERY, // Done quering the server |
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} NetworkRecvStatus; |
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typedef enum { |
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NETWORK_ERROR_GENERAL, // Try to use thisone like never |
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// Signals from clients |
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NETWORK_ERROR_DESYNC, |
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NETWORK_ERROR_SAVEGAME_FAILED, |
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NETWORK_ERROR_CONNECTION_LOST, |
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NETWORK_ERROR_ILLEGAL_PACKET, |
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// Signals from servers |
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NETWORK_ERROR_NOT_AUTHORIZED, |
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NETWORK_ERROR_NOT_EXPECTED, |
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NETWORK_ERROR_WRONG_REVISION, |
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NETWORK_ERROR_NAME_IN_USE, |
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NETWORK_ERROR_WRONG_PASSWORD, |
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NETWORK_ERROR_PLAYER_MISMATCH, // Happens in CLIENT_COMMAND |
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NETWORK_ERROR_KICKED, |
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NETWORK_ERROR_CHEATER, |
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} NetworkErrorCode; |
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// Actions that can be used for NetworkTextMessage |
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typedef enum { |
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NETWORK_ACTION_JOIN, |
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NETWORK_ACTION_LEAVE, |
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NETWORK_ACTION_CHAT, |
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NETWORK_ACTION_CHAT_PLAYER, |
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NETWORK_ACTION_CHAT_CLIENT, |
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NETWORK_ACTION_GIVE_MONEY, |
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NETWORK_ACTION_NAME_CHANGE, |
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} NetworkAction; |
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typedef enum { |
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NETWORK_GAME_PASSWORD, |
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NETWORK_COMPANY_PASSWORD, |
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} NetworkPasswordType; |
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// To keep the clients all together |
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typedef struct NetworkClientState { |
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int socket; |
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uint16 index; |
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uint32 last_frame; |
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uint32 last_frame_server; |
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byte lag_test; // This byte is used for lag-testing the client |
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ClientStatus status; |
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bool writable; // is client ready to write to? |
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bool quited; |
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Packet *packet_queue; // Packets that are awaiting delivery |
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Packet *packet_recv; // Partially received packet |
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CommandPacket *command_queue; // The command-queue awaiting delivery |
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} NetworkClientState; |
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// What packet types are there |
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// WARNING: The first 3 packets can NEVER change order again |
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// it protects old clients from joining newer servers (because SERVER_ERROR |
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// is the respond to a wrong revision) |
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typedef enum { |
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PACKET_SERVER_FULL, |
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PACKET_SERVER_BANNED, |
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PACKET_CLIENT_JOIN, |
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PACKET_SERVER_ERROR, |
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PACKET_CLIENT_COMPANY_INFO, |
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PACKET_SERVER_COMPANY_INFO, |
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PACKET_SERVER_CLIENT_INFO, |
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PACKET_SERVER_NEED_PASSWORD, |
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PACKET_CLIENT_PASSWORD, |
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PACKET_SERVER_WELCOME, |
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PACKET_CLIENT_GETMAP, |
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PACKET_SERVER_WAIT, |
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PACKET_SERVER_MAP, |
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PACKET_CLIENT_MAP_OK, |
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PACKET_SERVER_JOIN, |
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PACKET_SERVER_FRAME, |
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PACKET_SERVER_SYNC, |
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PACKET_CLIENT_ACK, |
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PACKET_CLIENT_COMMAND, |
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PACKET_SERVER_COMMAND, |
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PACKET_CLIENT_CHAT, |
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PACKET_SERVER_CHAT, |
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PACKET_CLIENT_SET_PASSWORD, |
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PACKET_CLIENT_SET_NAME, |
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PACKET_CLIENT_QUIT, |
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PACKET_CLIENT_ERROR, |
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PACKET_SERVER_QUIT, |
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PACKET_SERVER_ERROR_QUIT, |
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PACKET_SERVER_SHUTDOWN, |
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PACKET_SERVER_NEWGAME, |
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PACKET_SERVER_RCON, |
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PACKET_CLIENT_RCON, |
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PACKET_END // Should ALWAYS be on the end of this list!! (period) |
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} PacketType; |
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|
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typedef enum { |
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DESTTYPE_BROADCAST, |
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DESTTYPE_PLAYER, |
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DESTTYPE_CLIENT |
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} DestType; |
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|
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CommandPacket *_local_command_queue; |
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|
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SOCKET _udp_client_socket; // udp client socket |
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SOCKET _udp_server_socket; // udp server socket |
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SOCKET _udp_master_socket; // udp master socket |
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|
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// Here we keep track of the clients |
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// (and the client uses [0] for his own communication) |
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NetworkClientState _clients[MAX_CLIENTS]; |
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#define DEREF_CLIENT(i) (&_clients[i]) |
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// This returns the NetworkClientInfo from a NetworkClientState |
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#define DEREF_CLIENT_INFO(cs) (&_network_client_info[cs - _clients]) |
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|
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// Macros to make life a bit more easier |
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#define DEF_CLIENT_RECEIVE_COMMAND(type) NetworkRecvStatus NetworkPacketReceive_ ## type ## _command(Packet *p) |
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#define DEF_CLIENT_SEND_COMMAND(type) void NetworkPacketSend_ ## type ## _command(void) |
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#define DEF_CLIENT_SEND_COMMAND_PARAM(type) void NetworkPacketSend_ ## type ## _command |
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#define DEF_SERVER_RECEIVE_COMMAND(type) void NetworkPacketReceive_ ## type ## _command(NetworkClientState *cs, Packet *p) |
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#define DEF_SERVER_SEND_COMMAND(type) void NetworkPacketSend_ ## type ## _command(NetworkClientState *cs) |
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#define DEF_SERVER_SEND_COMMAND_PARAM(type) void NetworkPacketSend_ ## type ## _command |
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|
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#define SEND_COMMAND(type) NetworkPacketSend_ ## type ## _command |
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#define RECEIVE_COMMAND(type) NetworkPacketReceive_ ## type ## _command |
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|
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#define FOR_ALL_CLIENTS(cs) for (cs = _clients; cs != &_clients[MAX_CLIENTS] && cs->socket != INVALID_SOCKET; cs++) |
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Packet *NetworkSend_Init(PacketType type); |
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void NetworkSend_uint8(Packet *packet, uint8 data); |
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void NetworkSend_uint16(Packet *packet, uint16 data); |
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void NetworkSend_uint32(Packet *packet, uint32 data); |
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void NetworkSend_uint64(Packet *packet, uint64 data); |
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void NetworkSend_string(Packet *packet, const char* data); |
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void NetworkSend_Packet(Packet *packet, NetworkClientState *cs); |
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|
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uint8 NetworkRecv_uint8(NetworkClientState *cs, Packet *packet); |
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uint16 NetworkRecv_uint16(NetworkClientState *cs, Packet *packet); |
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uint32 NetworkRecv_uint32(NetworkClientState *cs, Packet *packet); |
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uint64 NetworkRecv_uint64(NetworkClientState *cs, Packet *packet); |
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void NetworkRecv_string(NetworkClientState *cs, Packet *packet, char* buffer, size_t size); |
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Packet *NetworkRecv_Packet(NetworkClientState *cs, NetworkRecvStatus *status); |
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|
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bool NetworkSend_Packets(NetworkClientState *cs); |
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void NetworkExecuteCommand(CommandPacket *cp); |
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void NetworkAddCommandQueue(NetworkClientState *cs, CommandPacket *cp); |
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|
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// from network.c |
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void NetworkCloseClient(NetworkClientState *cs); |
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void CDECL NetworkTextMessage(NetworkAction action, uint16 color, bool self_send, const char *name, const char *str, ...); |
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void NetworkGetClientName(char *clientname, size_t size, const NetworkClientState *cs); |
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uint NetworkCalculateLag(const NetworkClientState *cs); |
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byte NetworkGetCurrentLanguageIndex(void); |
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NetworkClientInfo *NetworkFindClientInfoFromIndex(uint16 client_index); |
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NetworkClientState *NetworkFindClientStateFromIndex(uint16 client_index); |
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unsigned long NetworkResolveHost(const char *hostname); |
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#endif /* ENABLE_NETWORK */ |
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|
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#endif // NETWORK_DATA_H |