mirror of
https://git.code.sf.net/p/quake/quakeforge-old
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167 lines
3.4 KiB
C
167 lines
3.4 KiB
C
/*
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Copyright (C) 1996-1997 Id Software, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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// net_vcr.c
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#include "quakedef.h"
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#include "net_vcr.h"
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extern int vcrFile;
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// This is the playback portion of the VCR. It reads the file produced
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// by the recorder and plays it back to the host. The recording contains
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// everything necessary (events, timestamps, and data) to duplicate the game
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// from the viewpoint of everything above the network layer.
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static struct
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{
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double time;
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int op;
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long session;
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} next;
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int VCR_Init (void)
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{
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net_drivers[0].Init = VCR_Init;
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net_drivers[0].SearchForHosts = VCR_SearchForHosts;
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net_drivers[0].Connect = VCR_Connect;
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net_drivers[0].CheckNewConnections = VCR_CheckNewConnections;
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net_drivers[0].QGetMessage = VCR_GetMessage;
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net_drivers[0].QSendMessage = VCR_SendMessage;
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net_drivers[0].CanSendMessage = VCR_CanSendMessage;
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net_drivers[0].Close = VCR_Close;
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net_drivers[0].Shutdown = VCR_Shutdown;
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Sys_FileRead(vcrFile, &next, sizeof(next));
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return 0;
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}
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void VCR_ReadNext (void)
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{
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if (Sys_FileRead(vcrFile, &next, sizeof(next)) == 0)
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{
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next.op = 255;
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Sys_Error ("=== END OF PLAYBACK===\n");
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}
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if (next.op < 1 || next.op > VCR_MAX_MESSAGE)
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Sys_Error ("VCR_ReadNext: bad op");
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}
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void VCR_Listen (qboolean state)
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{
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}
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void VCR_Shutdown (void)
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{
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}
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int VCR_GetMessage (qsocket_t *sock)
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{
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int ret;
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if (host_time != next.time || next.op != VCR_OP_GETMESSAGE || next.session != *(long *)(&sock->driverdata))
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Sys_Error ("VCR missmatch");
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Sys_FileRead(vcrFile, &ret, sizeof(int));
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if (ret != 1)
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{
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VCR_ReadNext ();
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return ret;
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}
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Sys_FileRead(vcrFile, &net_message.cursize, sizeof(int));
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Sys_FileRead(vcrFile, net_message.data, net_message.cursize);
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VCR_ReadNext ();
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return 1;
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}
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int VCR_SendMessage (qsocket_t *sock, sizebuf_t *data)
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{
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int ret;
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if (host_time != next.time || next.op != VCR_OP_SENDMESSAGE || next.session != *(long *)(&sock->driverdata))
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Sys_Error ("VCR missmatch");
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Sys_FileRead(vcrFile, &ret, sizeof(int));
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VCR_ReadNext ();
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return ret;
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}
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qboolean VCR_CanSendMessage (qsocket_t *sock)
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{
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qboolean ret;
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if (host_time != next.time || next.op != VCR_OP_CANSENDMESSAGE || next.session != *(long *)(&sock->driverdata))
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Sys_Error ("VCR missmatch");
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Sys_FileRead(vcrFile, &ret, sizeof(int));
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VCR_ReadNext ();
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return ret;
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}
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void VCR_Close (qsocket_t *sock)
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{
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}
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void VCR_SearchForHosts (qboolean xmit)
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{
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}
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qsocket_t *VCR_Connect (char *host)
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{
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return NULL;
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}
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qsocket_t *VCR_CheckNewConnections (void)
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{
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qsocket_t *sock;
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if (host_time != next.time || next.op != VCR_OP_CONNECT)
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Sys_Error ("VCR missmatch");
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if (!next.session)
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{
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VCR_ReadNext ();
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return NULL;
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}
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sock = NET_NewQSocket ();
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*(long *)(&sock->driverdata) = next.session;
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Sys_FileRead (vcrFile, sock->address, NET_NAMELEN);
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VCR_ReadNext ();
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return sock;
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}
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