| /* |
| Copyright (C) 1996-1997 Id Software, Inc. |
| |
| This program 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. |
| |
| This program 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| |
| */ |
| // net_vcr.c |
| |
| #include "quakedef.h" |
| #include "net_vcr.h" |
| |
| extern int vcrFile; |
| |
| // This is the playback portion of the VCR. It reads the file produced |
| // by the recorder and plays it back to the host. The recording contains |
| // everything necessary (events, timestamps, and data) to duplicate the game |
| // from the viewpoint of everything above the network layer. |
| |
| static struct |
| { |
| double time; |
| int op; |
| long session; |
| } next; |
| |
| int VCR_Init (void) |
| { |
| net_drivers[0].Init = VCR_Init; |
| |
| net_drivers[0].SearchForHosts = VCR_SearchForHosts; |
| net_drivers[0].Connect = VCR_Connect; |
| net_drivers[0].CheckNewConnections = VCR_CheckNewConnections; |
| net_drivers[0].QGetMessage = VCR_GetMessage; |
| net_drivers[0].QSendMessage = VCR_SendMessage; |
| net_drivers[0].CanSendMessage = VCR_CanSendMessage; |
| net_drivers[0].Close = VCR_Close; |
| net_drivers[0].Shutdown = VCR_Shutdown; |
| |
| Sys_FileRead(vcrFile, &next, sizeof(next)); |
| return 0; |
| } |
| |
| void VCR_ReadNext (void) |
| { |
| if (Sys_FileRead(vcrFile, &next, sizeof(next)) == 0) |
| { |
| next.op = 255; |
| Sys_Error ("=== END OF PLAYBACK===\n"); |
| } |
| if (next.op < 1 || next.op > VCR_MAX_MESSAGE) |
| Sys_Error ("VCR_ReadNext: bad op"); |
| } |
| |
| |
| void VCR_Listen (qboolean state) |
| { |
| } |
| |
| |
| void VCR_Shutdown (void) |
| { |
| } |
| |
| static long getDriverDataAsLong(qsocket_t *sock) { |
| long driverDataAsLong; |
| memcpy(&driverDataAsLong, &sock->driverdata, sizeof(long)); |
| return driverDataAsLong; |
| } |
| |
| int VCR_GetMessage (qsocket_t *sock) |
| { |
| int ret; |
| |
| if (host_time != next.time || next.op != VCR_OP_GETMESSAGE || next.session != getDriverDataAsLong(sock)) |
| Sys_Error ("VCR missmatch"); |
| |
| Sys_FileRead(vcrFile, &ret, sizeof(int)); |
| if (ret != 1) |
| { |
| VCR_ReadNext (); |
| return ret; |
| } |
| |
| Sys_FileRead(vcrFile, &net_message.cursize, sizeof(int)); |
| Sys_FileRead(vcrFile, net_message.data, net_message.cursize); |
| |
| VCR_ReadNext (); |
| |
| return 1; |
| } |
| |
| |
| int VCR_SendMessage (qsocket_t *sock, sizebuf_t *data) |
| { |
| int ret; |
| |
| if (host_time != next.time || next.op != VCR_OP_SENDMESSAGE || next.session != getDriverDataAsLong(sock)) |
| Sys_Error ("VCR missmatch"); |
| |
| Sys_FileRead(vcrFile, &ret, sizeof(int)); |
| |
| VCR_ReadNext (); |
| |
| return ret; |
| } |
| |
| |
| qboolean VCR_CanSendMessage (qsocket_t *sock) |
| { |
| qboolean ret; |
| |
| if (host_time != next.time || next.op != VCR_OP_CANSENDMESSAGE || next.session != getDriverDataAsLong(sock)) |
| Sys_Error ("VCR missmatch"); |
| |
| Sys_FileRead(vcrFile, &ret, sizeof(int)); |
| |
| VCR_ReadNext (); |
| |
| return ret; |
| } |
| |
| |
| void VCR_Close (qsocket_t *sock) |
| { |
| } |
| |
| |
| void VCR_SearchForHosts (qboolean xmit) |
| { |
| } |
| |
| |
| qsocket_t *VCR_Connect (const char *host) |
| { |
| return NULL; |
| } |
| |
| |
| qsocket_t *VCR_CheckNewConnections (void) |
| { |
| qsocket_t *sock; |
| |
| if (host_time != next.time || next.op != VCR_OP_CONNECT) |
| Sys_Error ("VCR missmatch"); |
| |
| if (!next.session) |
| { |
| VCR_ReadNext (); |
| return NULL; |
| } |
| |
| sock = NET_NewQSocket (); |
| memcpy(&sock->driverdata, &next.session, sizeof(long)); |
| |
| Sys_FileRead (vcrFile, sock->address, NET_NAMELEN); |
| VCR_ReadNext (); |
| |
| return sock; |
| } |