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/*
* network.h
* Copyright (C) 1998 Brainchild Design - http://brainchilddesign.com/
*
* Copyright (C) 2001 Chuck Mason <cemason@users.sourceforge.net>
*
* Copyright (C) 2002 Florian Schulze <crow@icculus.org>
*
* This file is part of Jump 'n Bump.
*
* Jump 'n Bump is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Jump 'n Bump is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef __NETWORK_H__
#define __NETWORK_H__
#include "globals.h"
#ifdef USE_NET
#include "SDL_net.h"
#endif /* USE_NET */
/* networking shite. */
#define NETPKTBUFSIZE (4 + 4 + 4 + 4 + 4)
#define NETCMD_NACK (0xF00DF00D + 0)
#define NETCMD_ACK (0xF00DF00D + 1)
#define NETCMD_HELLO (0xF00DF00D + 2)
#define NETCMD_GREENLIGHT (0xF00DF00D + 3)
#define NETCMD_MOVE (0xF00DF00D + 4)
#define NETCMD_BYE (0xF00DF00D + 5)
#define NETCMD_POSITION (0xF00DF00D + 6)
#define NETCMD_ALIVE (0xF00DF00D + 7)
#define NETCMD_KILL (0xF00DF00D + 8)
extern int is_server;
extern int is_net;
extern int server_said_bye;
typedef struct
{
Uint32 cmd;
Sint32 arg;
Sint32 arg2;
Sint32 arg3;
Sint32 arg4;
} NetPacket;
void processMovePacket(NetPacket *pkt);
void tellServerPlayerMoved(int playerid, int movement_type, int newval);
#ifdef USE_NET
extern TCPsocket sock;
extern SDLNet_SocketSet socketset;
typedef struct
{
TCPsocket sock;
IPaddress addr;
SDLNet_SocketSet socketset;
} NetInfo;
extern NetInfo net_info[JNB_MAX_PLAYERS];
void bufToPacket(const char *buf, NetPacket *pkt);
void packetToBuf(const NetPacket *pkt, char *buf);
void sendPacketToSock(TCPsocket s, NetPacket *pkt);
void sendPacket(int playerid, NetPacket *pkt);
void sendPacketToAll(NetPacket *pkt);
/** read a packet from the given TCPsocket
Returns -1 if some error occured, 0 if there was no data available and 1 if a
packet was successfully read.
Note: the socket has to be in the supplied socketset.
TODO: this function will bomb if a packet arrives in pieces, there is no
inherent guarantee that the next call will be made on the same socket. */
int grabPacket(TCPsocket s, SDLNet_SocketSet ss, NetPacket *pkt);
int serverRecvPacket(NetPacket *pkt);
void wait_for_greenlight(void);
void tellServerGoodbye(void);
void tellServerNewPosition(void);
void processKillPacket(NetPacket *pkt);
void processPositionPacket(NetPacket *pkt);
void processAlivePacket(NetPacket *pkt);
void serverTellEveryoneGoodbye(void);
int update_players_from_server(void);
void serverSendAlive(int playerid);
void serverSendKillPacket(int killer, int victim);
void update_players_from_clients(void);
void init_server(const char *netarg);
void connect_to_server(char *netarg);
#endif /* USE_NET */
#endif /* __NETWORK_H__ */
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