forked from KolibriOS/kolibrios
387 lines
8.5 KiB
C++
Executable File
387 lines
8.5 KiB
C++
Executable File
// Emacs style mode select -*- C++ -*-
|
|
//-----------------------------------------------------------------------------
|
|
//
|
|
// $Id:$
|
|
//
|
|
// Copyright (C) 1993-1996 by id Software, Inc.
|
|
//
|
|
// This source is available for distribution and/or modification
|
|
// only under the terms of the DOOM Source Code License as
|
|
// published by id Software. All rights reserved.
|
|
//
|
|
// The source is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// FITNESS FOR A PARTICULAR PURPOSE. See the DOOM Source Code License
|
|
// for more details.
|
|
//
|
|
// $Log:$
|
|
//
|
|
// DESCRIPTION:
|
|
//
|
|
//-----------------------------------------------------------------------------
|
|
|
|
static const char
|
|
rcsid[] = "$Id: m_bbox.c,v 1.1 1997/02/03 22:45:10 b1 Exp $";
|
|
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <stdio.h>
|
|
#include <errno.h>
|
|
|
|
#if defined(linux) || defined(__SVR4)
|
|
#include <sys/socket.h>
|
|
#include <netinet/in.h>
|
|
#include <arpa/inet.h>
|
|
#include <unistd.h>
|
|
#include <netdb.h>
|
|
#include <sys/ioctl.h>
|
|
#else
|
|
#ifdef __BEOS__
|
|
#include <sys/socket.h>
|
|
#include <netinet/in.h>
|
|
#include <unistd.h>
|
|
#include <netdb.h>
|
|
#include <sys/ioctl.h>
|
|
#include <byteorder.h>
|
|
#ifndef IPPORT_USERRESERVED
|
|
#define IPPORT_USERRESERVED 5000
|
|
#endif
|
|
#else
|
|
#ifdef __WIN32__
|
|
#define Win32_Winsock
|
|
#include <windows.h>
|
|
#else
|
|
#error You should hack this file for your BSD sockets layer
|
|
#endif
|
|
#endif
|
|
#endif
|
|
|
|
#include "i_system.h"
|
|
#include "d_event.h"
|
|
#include "d_net.h"
|
|
#include "m_argv.h"
|
|
|
|
#include "doomstat.h"
|
|
|
|
#ifdef __GNUG__
|
|
#pragma implementation "i_net.h"
|
|
#endif
|
|
#include "i_net.h"
|
|
|
|
|
|
|
|
|
|
|
|
// For some odd reason...
|
|
#ifndef B_HOST_IS_LENDIAN
|
|
#define B_HOST_IS_LENDIAN 1
|
|
#endif
|
|
#if !defined(sparc) && B_HOST_IS_LENDIAN
|
|
#ifndef ntohl
|
|
#define ntohl(x) \
|
|
((unsigned long int)((((unsigned long int)(x) & 0x000000ffU) << 24) | \
|
|
(((unsigned long int)(x) & 0x0000ff00U) << 8) | \
|
|
(((unsigned long int)(x) & 0x00ff0000U) >> 8) | \
|
|
(((unsigned long int)(x) & 0xff000000U) >> 24)))
|
|
#endif
|
|
|
|
#ifndef ntohs
|
|
#define ntohs(x) \
|
|
((unsigned short int)((((unsigned short int)(x) & 0x00ff) << 8) | \
|
|
(((unsigned short int)(x) & 0xff00) >> 8)))
|
|
#endif
|
|
|
|
#ifndef htonl
|
|
#define htonl(x) ntohl(x)
|
|
#endif
|
|
#ifndef htons
|
|
#define htons(x) ntohs(x)
|
|
#endif
|
|
#endif
|
|
|
|
void NetSend (void);
|
|
boolean NetListen (void);
|
|
|
|
|
|
//
|
|
// NETWORKING
|
|
//
|
|
|
|
int DOOMPORT = (IPPORT_USERRESERVED +0x1d );
|
|
|
|
int sendsocket;
|
|
int insocket;
|
|
|
|
struct sockaddr_in sendaddress[MAXNETNODES];
|
|
|
|
void (*netget) (void);
|
|
void (*netsend) (void);
|
|
|
|
|
|
//
|
|
// UDPsocket
|
|
//
|
|
int UDPsocket (void)
|
|
{
|
|
int s;
|
|
|
|
// allocate a socket
|
|
s = socket (AF_INET, SOCK_DGRAM, IPPROTO_UDP);
|
|
if (s<0)
|
|
I_Error ("can't create socket: %s",strerror(errno));
|
|
|
|
return s;
|
|
}
|
|
|
|
//
|
|
// BindToLocalPort
|
|
//
|
|
void
|
|
BindToLocalPort
|
|
( int s,
|
|
int port )
|
|
{
|
|
int v;
|
|
struct sockaddr_in address;
|
|
|
|
memset (&address, 0, sizeof(address));
|
|
address.sin_family = AF_INET;
|
|
address.sin_addr.s_addr = INADDR_ANY;
|
|
address.sin_port = port;
|
|
|
|
v = bind (s, (void *)&address, sizeof(address));
|
|
if (v == -1)
|
|
I_Error ("BindToPort: bind: %s", strerror(errno));
|
|
}
|
|
|
|
|
|
//
|
|
// PacketSend
|
|
//
|
|
void PacketSend (void)
|
|
{
|
|
int c;
|
|
doomdata_t sw;
|
|
|
|
// byte swap
|
|
sw.checksum = htonl(netbuffer->checksum);
|
|
sw.player = netbuffer->player;
|
|
sw.retransmitfrom = netbuffer->retransmitfrom;
|
|
sw.starttic = netbuffer->starttic;
|
|
sw.numtics = netbuffer->numtics;
|
|
for (c=0 ; c< netbuffer->numtics ; c++)
|
|
{
|
|
sw.cmds[c].forwardmove = netbuffer->cmds[c].forwardmove;
|
|
sw.cmds[c].sidemove = netbuffer->cmds[c].sidemove;
|
|
sw.cmds[c].angleturn = htons(netbuffer->cmds[c].angleturn);
|
|
sw.cmds[c].consistancy = htons(netbuffer->cmds[c].consistancy);
|
|
sw.cmds[c].chatchar = netbuffer->cmds[c].chatchar;
|
|
sw.cmds[c].buttons = netbuffer->cmds[c].buttons;
|
|
}
|
|
|
|
//printf ("sending %i\n",gametic);
|
|
c = sendto (sendsocket , &sw, doomcom->datalength
|
|
,0,(void *)&sendaddress[doomcom->remotenode]
|
|
,sizeof(sendaddress[doomcom->remotenode]));
|
|
|
|
// if (c == -1)
|
|
// I_Error ("SendPacket error: %s",strerror(errno));
|
|
}
|
|
|
|
|
|
//
|
|
// PacketGet
|
|
//
|
|
void PacketGet (void)
|
|
{
|
|
int i;
|
|
int c;
|
|
struct sockaddr_in fromaddress;
|
|
int fromlen;
|
|
doomdata_t sw;
|
|
|
|
fromlen = sizeof(fromaddress);
|
|
c = recvfrom (insocket, &sw, sizeof(sw), 0
|
|
, (struct sockaddr *)&fromaddress, &fromlen );
|
|
if (c == -1 )
|
|
{
|
|
#ifdef EWOULDBLOCK
|
|
if (errno != EWOULDBLOCK)
|
|
#endif
|
|
I_Error ("GetPacket: %s",strerror(errno));
|
|
doomcom->remotenode = -1; // no packet
|
|
return;
|
|
}
|
|
|
|
{
|
|
static int first=1;
|
|
if (first)
|
|
printf("len=%d:p=[0x%x 0x%x] \n", c, *(int*)&sw, *((int*)&sw+1));
|
|
first = 0;
|
|
}
|
|
|
|
// find remote node number
|
|
for (i=0 ; i<doomcom->numnodes ; i++)
|
|
if ( fromaddress.sin_addr.s_addr == sendaddress[i].sin_addr.s_addr )
|
|
break;
|
|
|
|
if (i == doomcom->numnodes)
|
|
{
|
|
// packet is not from one of the players (new game broadcast)
|
|
doomcom->remotenode = -1; // no packet
|
|
return;
|
|
}
|
|
|
|
doomcom->remotenode = i; // good packet from a game player
|
|
doomcom->datalength = c;
|
|
|
|
// byte swap
|
|
netbuffer->checksum = ntohl(sw.checksum);
|
|
netbuffer->player = sw.player;
|
|
netbuffer->retransmitfrom = sw.retransmitfrom;
|
|
netbuffer->starttic = sw.starttic;
|
|
netbuffer->numtics = sw.numtics;
|
|
|
|
for (c=0 ; c< netbuffer->numtics ; c++)
|
|
{
|
|
netbuffer->cmds[c].forwardmove = sw.cmds[c].forwardmove;
|
|
netbuffer->cmds[c].sidemove = sw.cmds[c].sidemove;
|
|
netbuffer->cmds[c].angleturn = ntohs(sw.cmds[c].angleturn);
|
|
netbuffer->cmds[c].consistancy = ntohs(sw.cmds[c].consistancy);
|
|
netbuffer->cmds[c].chatchar = sw.cmds[c].chatchar;
|
|
netbuffer->cmds[c].buttons = sw.cmds[c].buttons;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
int GetLocalAddress (void)
|
|
{
|
|
char hostname[1024];
|
|
struct hostent* hostentry; // host information entry
|
|
int v;
|
|
|
|
// get local address
|
|
v = gethostname (hostname, sizeof(hostname));
|
|
if (v == -1)
|
|
I_Error ("GetLocalAddress : gethostname: errno %d",errno);
|
|
|
|
hostentry = gethostbyname (hostname);
|
|
if (!hostentry)
|
|
I_Error ("GetLocalAddress : gethostbyname: couldn't get local host");
|
|
|
|
return *(int *)hostentry->h_addr_list[0];
|
|
}
|
|
|
|
|
|
//
|
|
// I_InitNetwork
|
|
//
|
|
void I_InitNetwork (void)
|
|
{
|
|
boolean trueval = true;
|
|
int i;
|
|
int p;
|
|
struct hostent* hostentry; // host information entry
|
|
|
|
doomcom = malloc (sizeof (*doomcom) );
|
|
memset (doomcom, 0, sizeof(*doomcom) );
|
|
|
|
// set up for network
|
|
i = M_CheckParm ("-dup");
|
|
if (i && i< myargc-1)
|
|
{
|
|
doomcom->ticdup = myargv[i+1][0]-'0';
|
|
if (doomcom->ticdup < 1)
|
|
doomcom->ticdup = 1;
|
|
if (doomcom->ticdup > 9)
|
|
doomcom->ticdup = 9;
|
|
}
|
|
else
|
|
doomcom-> ticdup = 1;
|
|
|
|
if (M_CheckParm ("-extratic"))
|
|
doomcom-> extratics = 1;
|
|
else
|
|
doomcom-> extratics = 0;
|
|
|
|
p = M_CheckParm ("-port");
|
|
if (p && p<myargc-1)
|
|
{
|
|
DOOMPORT = atoi (myargv[p+1]);
|
|
printf ("using alternate port %i\n",DOOMPORT);
|
|
}
|
|
|
|
// parse network game options,
|
|
// -net <consoleplayer> <host> <host> ...
|
|
i = M_CheckParm ("-net");
|
|
if (!i)
|
|
{
|
|
// single player game
|
|
netgame = false;
|
|
doomcom->id = DOOMCOM_ID;
|
|
doomcom->numplayers = doomcom->numnodes = 1;
|
|
doomcom->deathmatch = false;
|
|
doomcom->consoleplayer = 0;
|
|
return;
|
|
}
|
|
|
|
netsend = PacketSend;
|
|
netget = PacketGet;
|
|
netgame = true;
|
|
|
|
// parse player number and host list
|
|
doomcom->consoleplayer = myargv[i+1][0]-'1';
|
|
|
|
doomcom->numnodes = 1; // this node for sure
|
|
|
|
i++;
|
|
while (++i < myargc && myargv[i][0] != '-')
|
|
{
|
|
sendaddress[doomcom->numnodes].sin_family = AF_INET;
|
|
sendaddress[doomcom->numnodes].sin_port = htons(DOOMPORT);
|
|
if (myargv[i][0] == '.')
|
|
{
|
|
sendaddress[doomcom->numnodes].sin_addr.s_addr
|
|
= inet_addr (myargv[i]+1);
|
|
}
|
|
else
|
|
{
|
|
hostentry = gethostbyname (myargv[i]);
|
|
if (!hostentry)
|
|
I_Error ("gethostbyname: couldn't find %s", myargv[i]);
|
|
sendaddress[doomcom->numnodes].sin_addr.s_addr
|
|
= *(int *)hostentry->h_addr_list[0];
|
|
}
|
|
doomcom->numnodes++;
|
|
}
|
|
|
|
doomcom->id = DOOMCOM_ID;
|
|
doomcom->numplayers = doomcom->numnodes;
|
|
|
|
// build message to receive
|
|
insocket = UDPsocket ();
|
|
BindToLocalPort (insocket,htons(DOOMPORT));
|
|
#ifdef linux
|
|
ioctl (insocket, FIONBIO, &trueval);
|
|
#endif
|
|
|
|
sendsocket = UDPsocket ();
|
|
}
|
|
|
|
|
|
void I_NetCmd (void)
|
|
{
|
|
if (doomcom->command == CMD_SEND)
|
|
{
|
|
netsend ();
|
|
}
|
|
else if (doomcom->command == CMD_GET)
|
|
{
|
|
netget ();
|
|
}
|
|
else
|
|
I_Error ("Bad net cmd: %i\n",doomcom->command);
|
|
}
|
|
|