The Quake sources as originally release under the GPL license on December 21, 1999

WinQuake/net_vcr.c

@@ -0,0 +1,167 @@
+/*
+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)
+{
+}
+
+
+int VCR_GetMessage (qsocket_t *sock)
+{
+	int	ret;
+	
+	if (host_time != next.time || next.op != VCR_OP_GETMESSAGE || next.session != *(long *)(&sock->driverdata))
+		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 != *(long *)(&sock->driverdata))
+		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 != *(long *)(&sock->driverdata))
+		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 (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 ();
+	*(long *)(&sock->driverdata) = next.session;
+
+	Sys_FileRead (vcrFile, sock->address, NET_NAMELEN);
+	VCR_ReadNext ();
+
+	return sock;
+}