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

1 files changed, 1535 insertions, 0 deletions

diff --git a/QW/client/cl_main.c b/QW/client/cl_main.c
new file mode 100644
index 0000000..dfe7653
--- /dev/null
+++ b/QW/client/cl_main.c
@@ -0,0 +1,1535 @@
+/*
+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.
+
+*/
+// cl_main.c  -- client main loop
+
+#include "quakedef.h"
+#include "winquake.h"
+#ifdef _WIN32
+#include "winsock.h"
+#else
+#include <netinet/in.h>
+#endif
+
+
+// we need to declare some mouse variables here, because the menu system
+// references them even when on a unix system.
+
+qboolean	noclip_anglehack;		// remnant from old quake
+
+
+cvar_t	rcon_password = {"rcon_password", "", false};
+
+cvar_t	rcon_address = {"rcon_address", ""};
+
+cvar_t	cl_timeout = {"cl_timeout", "60"};
+
+cvar_t	cl_shownet = {"cl_shownet","0"};	// can be 0, 1, or 2
+
+cvar_t	cl_sbar		= {"cl_sbar", "0", true};
+cvar_t	cl_hudswap	= {"cl_hudswap", "0", true};
+cvar_t	cl_maxfps	= {"cl_maxfps", "0", true};
+
+cvar_t	lookspring = {"lookspring","0", true};
+cvar_t	lookstrafe = {"lookstrafe","0", true};
+cvar_t	sensitivity = {"sensitivity","3", true};
+
+cvar_t	m_pitch = {"m_pitch","0.022", true};
+cvar_t	m_yaw = {"m_yaw","0.022"};
+cvar_t	m_forward = {"m_forward","1"};
+cvar_t	m_side = {"m_side","0.8"};
+
+cvar_t	entlatency = {"entlatency", "20"};
+cvar_t	cl_predict_players = {"cl_predict_players", "1"};
+cvar_t	cl_predict_players2 = {"cl_predict_players2", "1"};
+cvar_t	cl_solid_players = {"cl_solid_players", "1"};
+
+cvar_t  localid = {"localid", ""};
+
+static qboolean allowremotecmd = true;
+
+//
+// info mirrors
+//
+cvar_t	password = {"password", "", false, true};
+cvar_t	spectator = {"spectator", "", false, true};
+cvar_t	name = {"name","unnamed", true, true};
+cvar_t	team = {"team","", true, true};
+cvar_t	skin = {"skin","", true, true};
+cvar_t	topcolor = {"topcolor","0", true, true};
+cvar_t	bottomcolor = {"bottomcolor","0", true, true};
+cvar_t	rate = {"rate","2500", true, true};
+cvar_t	noaim = {"noaim","0", true, true};
+cvar_t	msg = {"msg","1", true, true};
+
+extern cvar_t cl_hightrack;
+
+
+client_static_t	cls;
+client_state_t	cl;
+
+entity_state_t	cl_baselines[MAX_EDICTS];
+efrag_t			cl_efrags[MAX_EFRAGS];
+entity_t		cl_static_entities[MAX_STATIC_ENTITIES];
+lightstyle_t	cl_lightstyle[MAX_LIGHTSTYLES];
+dlight_t		cl_dlights[MAX_DLIGHTS];
+
+// refresh list
+// this is double buffered so the last frame
+// can be scanned for oldorigins of trailing objects
+int				cl_numvisedicts, cl_oldnumvisedicts;
+entity_t		*cl_visedicts, *cl_oldvisedicts;
+entity_t		cl_visedicts_list[2][MAX_VISEDICTS];
+
+double			connect_time = -1;		// for connection retransmits
+
+quakeparms_t host_parms;
+
+qboolean	host_initialized;		// true if into command execution
+qboolean	nomaster;
+
+double		host_frametime;
+double		realtime;				// without any filtering or bounding
+double		oldrealtime;			// last frame run
+int			host_framecount;
+
+int			host_hunklevel;
+
+byte		*host_basepal;
+byte		*host_colormap;
+
+netadr_t	master_adr;				// address of the master server
+
+cvar_t	host_speeds = {"host_speeds","0"};			// set for running times
+cvar_t	show_fps = {"show_fps","0"};			// set for running times
+cvar_t	developer = {"developer","0"};
+
+int			fps_count;
+
+jmp_buf 	host_abort;
+
+void Master_Connect_f (void);
+
+float	server_version = 0;	// version of server we connected to
+
+char emodel_name[] = 
+	{ 'e' ^ 0xff, 'm' ^ 0xff, 'o' ^ 0xff, 'd' ^ 0xff, 'e' ^ 0xff, 'l' ^ 0xff, 0 };
+char pmodel_name[] = 
+	{ 'p' ^ 0xff, 'm' ^ 0xff, 'o' ^ 0xff, 'd' ^ 0xff, 'e' ^ 0xff, 'l' ^ 0xff, 0 };
+char prespawn_name[] = 
+	{ 'p'^0xff, 'r'^0xff, 'e'^0xff, 's'^0xff, 'p'^0xff, 'a'^0xff, 'w'^0xff, 'n'^0xff,
+		' '^0xff, '%'^0xff, 'i'^0xff, ' '^0xff, '0'^0xff, ' '^0xff, '%'^0xff, 'i'^0xff, 0 };
+char modellist_name[] = 
+	{ 'm'^0xff, 'o'^0xff, 'd'^0xff, 'e'^0xff, 'l'^0xff, 'l'^0xff, 'i'^0xff, 's'^0xff, 't'^0xff, 
+		' '^0xff, '%'^0xff, 'i'^0xff, ' '^0xff, '%'^0xff, 'i'^0xff, 0 };
+char soundlist_name[] = 
+	{ 's'^0xff, 'o'^0xff, 'u'^0xff, 'n'^0xff, 'd'^0xff, 'l'^0xff, 'i'^0xff, 's'^0xff, 't'^0xff, 
+		' '^0xff, '%'^0xff, 'i'^0xff, ' '^0xff, '%'^0xff, 'i'^0xff, 0 };
+
+/*
+==================
+CL_Quit_f
+==================
+*/
+void CL_Quit_f (void)
+{
+	if (1 /* key_dest != key_console */ /* && cls.state != ca_dedicated */)
+	{
+		M_Menu_Quit_f ();
+		return;
+	}
+	CL_Disconnect ();
+	Sys_Quit ();
+}
+
+/*
+=======================
+CL_Version_f
+======================
+*/
+void CL_Version_f (void)
+{
+	Con_Printf ("Version %4.2f\n", VERSION);
+	Con_Printf ("Exe: "__TIME__" "__DATE__"\n");
+}
+
+
+/*
+=======================
+CL_SendConnectPacket
+
+called by CL_Connect_f and CL_CheckResend
+======================
+*/
+void CL_SendConnectPacket (void)
+{
+	netadr_t	adr;
+	char	data[2048];
+	double t1, t2;
+// JACK: Fixed bug where DNS lookups would cause two connects real fast
+//       Now, adds lookup time to the connect time.
+//		 Should I add it to realtime instead?!?!
+
+	if (cls.state != ca_disconnected)
+		return;
+
+	t1 = Sys_DoubleTime ();
+
+	if (!NET_StringToAdr (cls.servername, &adr))
+	{
+		Con_Printf ("Bad server address\n");
+		connect_time = -1;
+		return;
+	}
+
+	if (!NET_IsClientLegal(&adr))
+	{
+		Con_Printf ("Illegal server address\n");
+		connect_time = -1;
+		return;
+	}
+
+	if (adr.port == 0)
+		adr.port = BigShort (27500);
+	t2 = Sys_DoubleTime ();
+
+	connect_time = realtime+t2-t1;	// for retransmit requests
+
+	cls.qport = Cvar_VariableValue("qport");
+
+	Info_SetValueForStarKey (cls.userinfo, "*ip", NET_AdrToString(adr), MAX_INFO_STRING);
+
+//	Con_Printf ("Connecting to %s...\n", cls.servername);
+	sprintf (data, "%c%c%c%cconnect %i %i %i \"%s\"\n",
+		255, 255, 255, 255,	PROTOCOL_VERSION, cls.qport, cls.challenge, cls.userinfo);
+	NET_SendPacket (strlen(data), data, adr);
+}
+
+/*
+=================
+CL_CheckForResend
+
+Resend a connect message if the last one has timed out
+
+=================
+*/
+void CL_CheckForResend (void)
+{
+	netadr_t	adr;
+	char	data[2048];
+	double t1, t2;
+
+	if (connect_time == -1)
+		return;
+	if (cls.state != ca_disconnected)
+		return;
+	if (connect_time && realtime - connect_time < 5.0)
+		return;
+
+	t1 = Sys_DoubleTime ();
+	if (!NET_StringToAdr (cls.servername, &adr))
+	{
+		Con_Printf ("Bad server address\n");
+		connect_time = -1;
+		return;
+	}
+	if (!NET_IsClientLegal(&adr))
+	{
+		Con_Printf ("Illegal server address\n");
+		connect_time = -1;
+		return;
+	}
+
+	if (adr.port == 0)
+		adr.port = BigShort (27500);
+	t2 = Sys_DoubleTime ();
+
+	connect_time = realtime+t2-t1;	// for retransmit requests
+
+	Con_Printf ("Connecting to %s...\n", cls.servername);
+	sprintf (data, "%c%c%c%cgetchallenge\n", 255, 255, 255, 255);
+	NET_SendPacket (strlen(data), data, adr);
+}
+
+void CL_BeginServerConnect(void)
+{
+	connect_time = 0;
+	CL_CheckForResend();
+}
+
+/*
+================
+CL_Connect_f
+
+================
+*/
+void CL_Connect_f (void)
+{
+	char	*server;
+
+	if (Cmd_Argc() != 2)
+	{
+		Con_Printf ("usage: connect <server>\n");
+		return;	
+	}
+	
+	server = Cmd_Argv (1);
+
+	CL_Disconnect ();
+
+	strncpy (cls.servername, server, sizeof(cls.servername)-1);
+	CL_BeginServerConnect();
+}
+
+
+/*
+=====================
+CL_Rcon_f
+
+  Send the rest of the command line over as
+  an unconnected command.
+=====================
+*/
+void CL_Rcon_f (void)
+{
+	char	message[1024];
+	int		i;
+	netadr_t	to;
+
+	if (!rcon_password.string)
+	{
+		Con_Printf ("You must set 'rcon_password' before\n"
+					"issuing an rcon command.\n");
+		return;
+	}
+
+	message[0] = 255;
+	message[1] = 255;
+	message[2] = 255;
+	message[3] = 255;
+	message[4] = 0;
+
+	strcat (message, "rcon ");
+
+	strcat (message, rcon_password.string);
+	strcat (message, " ");
+
+	for (i=1 ; i<Cmd_Argc() ; i++)
+	{
+		strcat (message, Cmd_Argv(i));
+		strcat (message, " ");
+	}
+
+	if (cls.state >= ca_connected)
+		to = cls.netchan.remote_address;
+	else
+	{
+		if (!strlen(rcon_address.string))
+		{
+			Con_Printf ("You must either be connected,\n"
+						"or set the 'rcon_address' cvar\n"
+						"to issue rcon commands\n");
+
+			return;
+		}
+		NET_StringToAdr (rcon_address.string, &to);
+	}
+	
+	NET_SendPacket (strlen(message)+1, message
+		, to);
+}
+
+
+/*
+=====================
+CL_ClearState
+
+=====================
+*/
+void CL_ClearState (void)
+{
+	int			i;
+
+	S_StopAllSounds (true);
+
+	Con_DPrintf ("Clearing memory\n");
+	D_FlushCaches ();
+	Mod_ClearAll ();
+	if (host_hunklevel)	// FIXME: check this...
+		Hunk_FreeToLowMark (host_hunklevel);
+
+	CL_ClearTEnts ();
+
+// wipe the entire cl structure
+	memset (&cl, 0, sizeof(cl));
+
+	SZ_Clear (&cls.netchan.message);
+
+// clear other arrays	
+	memset (cl_efrags, 0, sizeof(cl_efrags));
+	memset (cl_dlights, 0, sizeof(cl_dlights));
+	memset (cl_lightstyle, 0, sizeof(cl_lightstyle));
+
+//
+// allocate the efrags and chain together into a free list
+//
+	cl.free_efrags = cl_efrags;
+	for (i=0 ; i<MAX_EFRAGS-1 ; i++)
+		cl.free_efrags[i].entnext = &cl.free_efrags[i+1];
+	cl.free_efrags[i].entnext = NULL;
+}
+
+/*
+=====================
+CL_Disconnect
+
+Sends a disconnect message to the server
+This is also called on Host_Error, so it shouldn't cause any errors
+=====================
+*/
+void CL_Disconnect (void)
+{
+	byte	final[10];
+
+	connect_time = -1;
+
+#ifdef _WIN32
+	SetWindowText (mainwindow, "QuakeWorld: disconnected");
+#endif
+
+// stop sounds (especially looping!)
+	S_StopAllSounds (true);
+	
+// if running a local server, shut it down
+	if (cls.demoplayback)
+		CL_StopPlayback ();
+	else if (cls.state != ca_disconnected)
+	{
+		if (cls.demorecording)
+			CL_Stop_f ();
+
+		final[0] = clc_stringcmd;
+		strcpy (final+1, "drop");
+		Netchan_Transmit (&cls.netchan, 6, final);
+		Netchan_Transmit (&cls.netchan, 6, final);
+		Netchan_Transmit (&cls.netchan, 6, final);
+
+		cls.state = ca_disconnected;
+
+		cls.demoplayback = cls.demorecording = cls.timedemo = false;
+	}
+	Cam_Reset();
+
+	if (cls.download) {
+		fclose(cls.download);
+		cls.download = NULL;
+	}
+
+	CL_StopUpload();
+
+}
+
+void CL_Disconnect_f (void)
+{
+	CL_Disconnect ();
+}
+
+/*
+====================
+CL_User_f
+
+user <name or userid>
+
+Dump userdata / masterdata for a user
+====================
+*/
+void CL_User_f (void)
+{
+	int		uid;
+	int		i;
+
+	if (Cmd_Argc() != 2)
+	{
+		Con_Printf ("Usage: user <username / userid>\n");
+		return;
+	}
+
+	uid = atoi(Cmd_Argv(1));
+
+	for (i=0 ; i<MAX_CLIENTS ; i++)
+	{
+		if (!cl.players[i].name[0])
+			continue;
+		if (cl.players[i].userid == uid
+		|| !strcmp(cl.players[i].name, Cmd_Argv(1)) )
+		{
+			Info_Print (cl.players[i].userinfo);
+			return;
+		}
+	}
+	Con_Printf ("User not in server.\n");
+}
+
+/*
+====================
+CL_Users_f
+
+Dump userids for all current players
+====================
+*/
+void CL_Users_f (void)
+{
+	int		i;
+	int		c;
+
+	c = 0;
+	Con_Printf ("userid frags name\n");
+	Con_Printf ("------ ----- ----\n");
+	for (i=0 ; i<MAX_CLIENTS ; i++)
+	{
+		if (cl.players[i].name[0])
+		{
+			Con_Printf ("%6i %4i %s\n", cl.players[i].userid, cl.players[i].frags, cl.players[i].name);
+			c++;
+		}
+	}
+
+	Con_Printf ("%i total users\n", c);
+}
+
+void CL_Color_f (void)
+{
+	// just for quake compatability...
+	int		top, bottom;
+	char	num[16];
+
+	if (Cmd_Argc() == 1)
+	{
+		Con_Printf ("\"color\" is \"%s %s\"\n",
+			Info_ValueForKey (cls.userinfo, "topcolor"),
+			Info_ValueForKey (cls.userinfo, "bottomcolor") );
+		Con_Printf ("color <0-13> [0-13]\n");
+		return;
+	}
+
+	if (Cmd_Argc() == 2)
+		top = bottom = atoi(Cmd_Argv(1));
+	else
+	{
+		top = atoi(Cmd_Argv(1));
+		bottom = atoi(Cmd_Argv(2));
+	}
+	
+	top &= 15;
+	if (top > 13)
+		top = 13;
+	bottom &= 15;
+	if (bottom > 13)
+		bottom = 13;
+	
+	sprintf (num, "%i", top);
+	Cvar_Set ("topcolor", num);
+	sprintf (num, "%i", bottom);
+	Cvar_Set ("bottomcolor", num);
+}
+
+/*
+==================
+CL_FullServerinfo_f
+
+Sent by server when serverinfo changes
+==================
+*/
+void CL_FullServerinfo_f (void)
+{
+	char *p;
+	float v;
+
+	if (Cmd_Argc() != 2)
+	{
+		Con_Printf ("usage: fullserverinfo <complete info string>\n");
+		return;
+	}
+
+	strcpy (cl.serverinfo, Cmd_Argv(1));
+
+	if ((p = Info_ValueForKey(cl.serverinfo, "*vesion")) && *p) {
+		v = Q_atof(p);
+		if (v) {
+			if (!server_version)
+				Con_Printf("Version %1.2f Server\n", v);
+			server_version = v;
+		}
+	}
+}
+
+/*
+==================
+CL_FullInfo_f
+
+Allow clients to change userinfo
+==================
+Casey was here :)
+*/
+void CL_FullInfo_f (void)
+{
+	char	key[512];
+	char	value[512];
+	char	*o;
+	char	*s;
+
+	if (Cmd_Argc() != 2)
+	{
+		Con_Printf ("fullinfo <complete info string>\n");
+		return;
+	}
+
+	s = Cmd_Argv(1);
+	if (*s == '\\')
+		s++;
+	while (*s)
+	{
+		o = key;
+		while (*s && *s != '\\')
+			*o++ = *s++;
+		*o = 0;
+
+		if (!*s)
+		{
+			Con_Printf ("MISSING VALUE\n");
+			return;
+		}
+
+		o = value;
+		s++;
+		while (*s && *s != '\\')
+			*o++ = *s++;
+		*o = 0;
+
+		if (*s)
+			s++;
+
+		if (!stricmp(key, pmodel_name) || !stricmp(key, emodel_name))
+			continue;
+
+		Info_SetValueForKey (cls.userinfo, key, value, MAX_INFO_STRING);
+	}
+}
+
+/*
+==================
+CL_SetInfo_f
+
+Allow clients to change userinfo
+==================
+*/
+void CL_SetInfo_f (void)
+{
+	if (Cmd_Argc() == 1)
+	{
+		Info_Print (cls.userinfo);
+		return;
+	}
+	if (Cmd_Argc() != 3)
+	{
+		Con_Printf ("usage: setinfo [ <key> <value> ]\n");
+		return;
+	}
+	if (!stricmp(Cmd_Argv(1), pmodel_name) || !strcmp(Cmd_Argv(1), emodel_name))
+		return;
+
+	Info_SetValueForKey (cls.userinfo, Cmd_Argv(1), Cmd_Argv(2), MAX_INFO_STRING);
+	if (cls.state >= ca_connected)
+		Cmd_ForwardToServer ();
+}
+
+/*
+====================
+CL_Packet_f
+
+packet <destination> <contents>
+
+Contents allows \n escape character
+====================
+*/
+void CL_Packet_f (void)
+{
+	char	send[2048];
+	int		i, l;
+	char	*in, *out;
+	netadr_t	adr;
+
+	if (Cmd_Argc() != 3)
+	{
+		Con_Printf ("packet <destination> <contents>\n");
+		return;
+	}
+
+	if (!NET_StringToAdr (Cmd_Argv(1), &adr))
+	{
+		Con_Printf ("Bad address\n");
+		return;
+	}
+
+	in = Cmd_Argv(2);
+	out = send+4;
+	send[0] = send[1] = send[2] = send[3] = 0xff;
+
+	l = strlen (in);
+	for (i=0 ; i<l ; i++)
+	{
+		if (in[i] == '\\' && in[i+1] == 'n')
+		{
+			*out++ = '\n';
+			i++;
+		}
+		else
+			*out++ = in[i];
+	}
+	*out = 0;
+
+	NET_SendPacket (out-send, send, adr);
+}
+
+
+/*
+=====================
+CL_NextDemo
+
+Called to play the next demo in the demo loop
+=====================
+*/
+void CL_NextDemo (void)
+{
+	char	str[1024];
+
+	if (cls.demonum == -1)
+		return;		// don't play demos
+
+	if (!cls.demos[cls.demonum][0] || cls.demonum == MAX_DEMOS)
+	{
+		cls.demonum = 0;
+		if (!cls.demos[cls.demonum][0])
+		{
+//			Con_Printf ("No demos listed with startdemos\n");
+			cls.demonum = -1;
+			return;
+		}
+	}
+
+	sprintf (str,"playdemo %s\n", cls.demos[cls.demonum]);
+	Cbuf_InsertText (str);
+	cls.demonum++;
+}
+
+
+/*
+=================
+CL_Changing_f
+
+Just sent as a hint to the client that they should
+drop to full console
+=================
+*/
+void CL_Changing_f (void)
+{
+	if (cls.download)  // don't change when downloading
+		return;
+
+	S_StopAllSounds (true);
+	cl.intermission = 0;
+	cls.state = ca_connected;	// not active anymore, but not disconnected
+	Con_Printf ("\nChanging map...\n");
+}
+
+
+/*
+=================
+CL_Reconnect_f
+
+The server is changing levels
+=================
+*/
+void CL_Reconnect_f (void)
+{
+	if (cls.download)  // don't change when downloading
+		return;
+
+	S_StopAllSounds (true);
+
+	if (cls.state == ca_connected) {
+		Con_Printf ("reconnecting...\n");
+		MSG_WriteChar (&cls.netchan.message, clc_stringcmd);
+		MSG_WriteString (&cls.netchan.message, "new");
+		return;
+	}
+
+	if (!*cls.servername) {
+		Con_Printf("No server to reconnect to...\n");
+		return;
+	}
+
+	CL_Disconnect();
+	CL_BeginServerConnect();
+}
+
+/*
+=================
+CL_ConnectionlessPacket
+
+Responses to broadcasts, etc
+=================
+*/
+void CL_ConnectionlessPacket (void)
+{
+	char	*s;
+	int		c;
+
+    MSG_BeginReading ();
+    MSG_ReadLong ();        // skip the -1
+
+	c = MSG_ReadByte ();
+	if (!cls.demoplayback)
+		Con_Printf ("%s: ", NET_AdrToString (net_from));
+//	Con_DPrintf ("%s", net_message.data + 5);
+	if (c == S2C_CONNECTION)
+	{
+		Con_Printf ("connection\n");
+		if (cls.state >= ca_connected)
+		{
+			if (!cls.demoplayback)
+				Con_Printf ("Dup connect received.  Ignored.\n");
+			return;
+		}
+		Netchan_Setup (&cls.netchan, net_from, cls.qport);
+		MSG_WriteChar (&cls.netchan.message, clc_stringcmd);
+		MSG_WriteString (&cls.netchan.message, "new");	
+		cls.state = ca_connected;
+		Con_Printf ("Connected.\n");
+		allowremotecmd = false; // localid required now for remote cmds
+		return;
+	}
+	// remote command from gui front end
+	if (c == A2C_CLIENT_COMMAND)
+	{
+		char	cmdtext[2048];
+
+		Con_Printf ("client command\n");
+
+		if ((*(unsigned *)net_from.ip != *(unsigned *)net_local_adr.ip
+			&& *(unsigned *)net_from.ip != htonl(INADDR_LOOPBACK)) )
+		{
+			Con_Printf ("Command packet from remote host.  Ignored.\n");
+			return;
+		}
+#ifdef _WIN32
+		ShowWindow (mainwindow, SW_RESTORE);
+		SetForegroundWindow (mainwindow);
+#endif
+		s = MSG_ReadString ();
+
+		strncpy(cmdtext, s, sizeof(cmdtext) - 1);
+		cmdtext[sizeof(cmdtext) - 1] = 0;
+
+		s = MSG_ReadString ();
+
+		while (*s && isspace(*s))
+			s++;
+		while (*s && isspace(s[strlen(s) - 1]))
+			s[strlen(s) - 1] = 0;
+
+		if (!allowremotecmd && (!*localid.string || strcmp(localid.string, s))) {
+			if (!*localid.string) {
+				Con_Printf("===========================\n");
+				Con_Printf("Command packet received from local host, but no "
+					"localid has been set.  You may need to upgrade your server "
+					"browser.\n");
+				Con_Printf("===========================\n");
+				return;
+			}
+			Con_Printf("===========================\n");
+			Con_Printf("Invalid localid on command packet received from local host. "
+				"\n|%s| != |%s|\n"
+				"You may need to reload your server browser and QuakeWorld.\n",
+				s, localid.string);
+			Con_Printf("===========================\n");
+			Cvar_Set("localid", "");
+			return;
+		}
+
+		Cbuf_AddText (cmdtext);
+		allowremotecmd = false;
+		return;
+	}
+	// print command from somewhere
+	if (c == A2C_PRINT)
+	{
+		Con_Printf ("print\n");
+
+		s = MSG_ReadString ();
+		Con_Print (s);
+		return;
+	}
+
+	// ping from somewhere
+	if (c == A2A_PING)
+	{
+		char	data[6];
+
+		Con_Printf ("ping\n");
+
+		data[0] = 0xff;
+		data[1] = 0xff;
+		data[2] = 0xff;
+		data[3] = 0xff;
+		data[4] = A2A_ACK;
+		data[5] = 0;
+		
+		NET_SendPacket (6, &data, net_from);
+		return;
+	}
+
+	if (c == S2C_CHALLENGE) {
+		Con_Printf ("challenge\n");
+
+		s = MSG_ReadString ();
+		cls.challenge = atoi(s);
+		CL_SendConnectPacket ();
+		return;
+	}
+
+#if 0
+	if (c == svc_disconnect) {
+		Con_Printf ("disconnect\n");
+
+		Host_EndGame ("Server disconnected");
+		return;
+	}
+#endif
+
+	Con_Printf ("unknown:  %c\n", c);
+}
+
+
+/*
+=================
+CL_ReadPackets
+=================
+*/
+void CL_ReadPackets (void)
+{
+//	while (NET_GetPacket ())
+	while (CL_GetMessage())
+	{
+		//
+		// remote command packet
+		//
+		if (*(int *)net_message.data == -1)
+		{
+			CL_ConnectionlessPacket ();
+			continue;
+		}
+
+		if (net_message.cursize < 8)
+		{
+			Con_Printf ("%s: Runt packet\n",NET_AdrToString(net_from));
+			continue;
+		}
+
+		//
+		// packet from server
+		//
+		if (!cls.demoplayback && 
+			!NET_CompareAdr (net_from, cls.netchan.remote_address))
+		{
+			Con_DPrintf ("%s:sequenced packet without connection\n"
+				,NET_AdrToString(net_from));
+			continue;
+		}
+		if (!Netchan_Process(&cls.netchan))
+			continue;		// wasn't accepted for some reason
+		CL_ParseServerMessage ();
+
+//		if (cls.demoplayback && cls.state >= ca_active && !CL_DemoBehind())
+//			return;
+	}
+
+	//
+	// check timeout
+	//
+	if (cls.state >= ca_connected
+	 && realtime - cls.netchan.last_received > cl_timeout.value)
+	{
+		Con_Printf ("\nServer connection timed out.\n");
+		CL_Disconnect ();
+		return;
+	}
+	
+}
+
+//=============================================================================
+
+/*
+=====================
+CL_Download_f
+=====================
+*/
+void CL_Download_f (void)
+{
+	char *p, *q;
+
+	if (cls.state == ca_disconnected)
+	{
+		Con_Printf ("Must be connected.\n");
+		return;
+	}
+
+	if (Cmd_Argc() != 2)
+	{
+		Con_Printf ("Usage: download <datafile>\n");
+		return;
+	}
+
+	sprintf (cls.downloadname, "%s/%s", com_gamedir, Cmd_Argv(1));
+
+	p = cls.downloadname;
+	for (;;) {
+		if ((q = strchr(p, '/')) != NULL) {
+			*q = 0;
+			Sys_mkdir(cls.downloadname);
+			*q = '/';
+			p = q + 1;
+		} else
+			break;
+	}
+
+	strcpy(cls.downloadtempname, cls.downloadname);
+	cls.download = fopen (cls.downloadname, "wb");
+	cls.downloadtype = dl_single;
+
+	MSG_WriteByte (&cls.netchan.message, clc_stringcmd);
+	SZ_Print (&cls.netchan.message, va("download %s\n",Cmd_Argv(1)));
+}
+
+#ifdef _WINDOWS
+#include <windows.h>
+/*
+=================
+CL_Minimize_f
+=================
+*/
+void CL_Windows_f (void) {
+//	if (modestate == MS_WINDOWED)
+//		ShowWindow(mainwindow, SW_MINIMIZE);
+//	else
+		SendMessage(mainwindow, WM_SYSKEYUP, VK_TAB, 1 | (0x0F << 16) | (1<<29));
+}
+#endif
+
+/*
+=================
+CL_Init
+=================
+*/
+void CL_Init (void)
+{
+	extern	cvar_t		baseskin;
+	extern	cvar_t		noskins;
+	char st[80];
+
+	cls.state = ca_disconnected;
+
+	Info_SetValueForKey (cls.userinfo, "name", "unnamed", MAX_INFO_STRING);
+	Info_SetValueForKey (cls.userinfo, "topcolor", "0", MAX_INFO_STRING);
+	Info_SetValueForKey (cls.userinfo, "bottomcolor", "0", MAX_INFO_STRING);
+	Info_SetValueForKey (cls.userinfo, "rate", "2500", MAX_INFO_STRING);
+	Info_SetValueForKey (cls.userinfo, "msg", "1", MAX_INFO_STRING);
+	sprintf (st, "%4.2f-%04d", VERSION, build_number());
+	Info_SetValueForStarKey (cls.userinfo, "*ver", st, MAX_INFO_STRING);
+
+	CL_InitInput ();
+	CL_InitTEnts ();
+	CL_InitPrediction ();
+	CL_InitCam ();
+	Pmove_Init ();
+	
+//
+// register our commands
+//
+	Cvar_RegisterVariable (&show_fps);
+	Cvar_RegisterVariable (&host_speeds);
+	Cvar_RegisterVariable (&developer);
+
+	Cvar_RegisterVariable (&cl_warncmd);
+	Cvar_RegisterVariable (&cl_upspeed);
+	Cvar_RegisterVariable (&cl_forwardspeed);
+	Cvar_RegisterVariable (&cl_backspeed);
+	Cvar_RegisterVariable (&cl_sidespeed);
+	Cvar_RegisterVariable (&cl_movespeedkey);
+	Cvar_RegisterVariable (&cl_yawspeed);
+	Cvar_RegisterVariable (&cl_pitchspeed);
+	Cvar_RegisterVariable (&cl_anglespeedkey);
+	Cvar_RegisterVariable (&cl_shownet);
+	Cvar_RegisterVariable (&cl_sbar);
+	Cvar_RegisterVariable (&cl_hudswap);
+	Cvar_RegisterVariable (&cl_maxfps);
+	Cvar_RegisterVariable (&cl_timeout);
+	Cvar_RegisterVariable (&lookspring);
+	Cvar_RegisterVariable (&lookstrafe);
+	Cvar_RegisterVariable (&sensitivity);
+
+	Cvar_RegisterVariable (&m_pitch);
+	Cvar_RegisterVariable (&m_yaw);
+	Cvar_RegisterVariable (&m_forward);
+	Cvar_RegisterVariable (&m_side);
+
+	Cvar_RegisterVariable (&rcon_password);
+	Cvar_RegisterVariable (&rcon_address);
+
+	Cvar_RegisterVariable (&entlatency);
+	Cvar_RegisterVariable (&cl_predict_players2);
+	Cvar_RegisterVariable (&cl_predict_players);
+	Cvar_RegisterVariable (&cl_solid_players);
+
+	Cvar_RegisterVariable (&localid);
+
+	Cvar_RegisterVariable (&baseskin);
+	Cvar_RegisterVariable (&noskins);
+
+	//
+	// info mirrors
+	//
+	Cvar_RegisterVariable (&name);
+	Cvar_RegisterVariable (&password);
+	Cvar_RegisterVariable (&spectator);
+	Cvar_RegisterVariable (&skin);
+	Cvar_RegisterVariable (&team);
+	Cvar_RegisterVariable (&topcolor);
+	Cvar_RegisterVariable (&bottomcolor);
+	Cvar_RegisterVariable (&rate);
+	Cvar_RegisterVariable (&msg);
+	Cvar_RegisterVariable (&noaim);
+
+
+	Cmd_AddCommand ("version", CL_Version_f);
+
+	Cmd_AddCommand ("changing", CL_Changing_f);
+	Cmd_AddCommand ("disconnect", CL_Disconnect_f);
+	Cmd_AddCommand ("record", CL_Record_f);
+	Cmd_AddCommand ("rerecord", CL_ReRecord_f);
+	Cmd_AddCommand ("stop", CL_Stop_f);
+	Cmd_AddCommand ("playdemo", CL_PlayDemo_f);
+	Cmd_AddCommand ("timedemo", CL_TimeDemo_f);
+
+	Cmd_AddCommand ("skins", Skin_Skins_f);
+	Cmd_AddCommand ("allskins", Skin_AllSkins_f);
+
+	Cmd_AddCommand ("quit", CL_Quit_f);
+
+	Cmd_AddCommand ("connect", CL_Connect_f);
+	Cmd_AddCommand ("reconnect", CL_Reconnect_f);
+
+	Cmd_AddCommand ("rcon", CL_Rcon_f);
+	Cmd_AddCommand ("packet", CL_Packet_f);
+	Cmd_AddCommand ("user", CL_User_f);
+	Cmd_AddCommand ("users", CL_Users_f);
+
+	Cmd_AddCommand ("setinfo", CL_SetInfo_f);
+	Cmd_AddCommand ("fullinfo", CL_FullInfo_f);
+	Cmd_AddCommand ("fullserverinfo", CL_FullServerinfo_f);
+
+	Cmd_AddCommand ("color", CL_Color_f);
+	Cmd_AddCommand ("download", CL_Download_f);
+
+	Cmd_AddCommand ("nextul", CL_NextUpload);
+	Cmd_AddCommand ("stopul", CL_StopUpload);
+
+//
+// forward to server commands
+//
+	Cmd_AddCommand ("kill", NULL);
+	Cmd_AddCommand ("pause", NULL);
+	Cmd_AddCommand ("say", NULL);
+	Cmd_AddCommand ("say_team", NULL);
+	Cmd_AddCommand ("serverinfo", NULL);
+
+//
+//  Windows commands
+//
+#ifdef _WINDOWS
+	Cmd_AddCommand ("windows", CL_Windows_f);
+#endif
+}
+
+
+/*
+================
+Host_EndGame
+
+Call this to drop to a console without exiting the qwcl
+================
+*/
+void Host_EndGame (char *message, ...)
+{
+	va_list		argptr;
+	char		string[1024];
+	
+	va_start (argptr,message);
+	vsprintf (string,message,argptr);
+	va_end (argptr);
+	Con_Printf ("\n===========================\n");
+	Con_Printf ("Host_EndGame: %s\n",string);
+	Con_Printf ("===========================\n\n");
+	
+	CL_Disconnect ();
+
+	longjmp (host_abort, 1);
+}
+
+/*
+================
+Host_Error
+
+This shuts down the client and exits qwcl
+================
+*/
+void Host_Error (char *error, ...)
+{
+	va_list		argptr;
+	char		string[1024];
+	static	qboolean inerror = false;
+	
+	if (inerror)
+		Sys_Error ("Host_Error: recursively entered");
+	inerror = true;
+	
+	va_start (argptr,error);
+	vsprintf (string,error,argptr);
+	va_end (argptr);
+	Con_Printf ("Host_Error: %s\n",string);
+	
+	CL_Disconnect ();
+	cls.demonum = -1;
+
+	inerror = false;
+
+// FIXME
+	Sys_Error ("Host_Error: %s\n",string);
+}
+
+
+/*
+===============
+Host_WriteConfiguration
+
+Writes key bindings and archived cvars to config.cfg
+===============
+*/
+void Host_WriteConfiguration (void)
+{
+	FILE	*f;
+
+	if (host_initialized)
+	{
+		f = fopen (va("%s/config.cfg",com_gamedir), "w");
+		if (!f)
+		{
+			Con_Printf ("Couldn't write config.cfg.\n");
+			return;
+		}
+		
+		Key_WriteBindings (f);
+		Cvar_WriteVariables (f);
+
+		fclose (f);
+	}
+}
+
+
+//============================================================================
+
+#if 0
+/*
+==================
+Host_SimulationTime
+
+This determines if enough time has passed to run a simulation frame
+==================
+*/
+qboolean Host_SimulationTime(float time)
+{
+	float fps;
+
+	if (oldrealtime > realtime)
+		oldrealtime = 0;
+
+	if (cl_maxfps.value)
+		fps = max(30.0, min(cl_maxfps.value, 72.0));
+	else
+		fps = max(30.0, min(rate.value/80.0, 72.0));
+
+	if (!cls.timedemo && (realtime + time) - oldrealtime < 1.0/fps)
+		return false;			// framerate is too high
+	return true;
+}
+#endif
+
+
+/*
+==================
+Host_Frame
+
+Runs all active servers
+==================
+*/
+int		nopacketcount;
+void Host_Frame (float time)
+{
+	static double		time1 = 0;
+	static double		time2 = 0;
+	static double		time3 = 0;
+	int			pass1, pass2, pass3;
+	float fps;
+	if (setjmp (host_abort) )
+		return;			// something bad happened, or the server disconnected
+
+	// decide the simulation time
+	realtime += time;
+	if (oldrealtime > realtime)
+		oldrealtime = 0;
+
+	if (cl_maxfps.value)
+		fps = max(30.0, min(cl_maxfps.value, 72.0));
+	else
+		fps = max(30.0, min(rate.value/80.0, 72.0));
+
+	if (!cls.timedemo && realtime - oldrealtime < 1.0/fps)
+		return;			// framerate is too high
+
+	host_frametime = realtime - oldrealtime;
+	oldrealtime = realtime;
+	if (host_frametime > 0.2)
+		host_frametime = 0.2;
+		
+	// get new key events
+	Sys_SendKeyEvents ();
+
+	// allow mice or other external controllers to add commands
+	IN_Commands ();
+
+	// process console commands
+	Cbuf_Execute ();
+
+	// fetch results from server
+	CL_ReadPackets ();
+
+	// send intentions now
+	// resend a connection request if necessary
+	if (cls.state == ca_disconnected) {
+		CL_CheckForResend ();
+	} else
+		CL_SendCmd ();
+
+	// Set up prediction for other players
+	CL_SetUpPlayerPrediction(false);
+
+	// do client side motion prediction
+	CL_PredictMove ();
+
+	// Set up prediction for other players
+	CL_SetUpPlayerPrediction(true);
+
+	// build a refresh entity list
+	CL_EmitEntities ();
+
+	// update video
+	if (host_speeds.value)
+		time1 = Sys_DoubleTime ();
+
+	SCR_UpdateScreen ();
+
+	if (host_speeds.value)
+		time2 = Sys_DoubleTime ();
+		
+	// update audio
+	if (cls.state == ca_active)
+	{
+		S_Update (r_origin, vpn, vright, vup);
+		CL_DecayLights ();
+	}
+	else
+		S_Update (vec3_origin, vec3_origin, vec3_origin, vec3_origin);
+	
+	CDAudio_Update();
+
+	if (host_speeds.value)
+	{
+		pass1 = (time1 - time3)*1000;
+		time3 = Sys_DoubleTime ();
+		pass2 = (time2 - time1)*1000;
+		pass3 = (time3 - time2)*1000;
+		Con_Printf ("%3i tot %3i server %3i gfx %3i snd\n",
+					pass1+pass2+pass3, pass1, pass2, pass3);
+	}
+
+	host_framecount++;
+	fps_count++;
+}
+
+static void simple_crypt(char *buf, int len)
+{
+	while (len--)
+		*buf++ ^= 0xff;
+}
+
+void Host_FixupModelNames(void)
+{
+	simple_crypt(emodel_name, sizeof(emodel_name) - 1);
+	simple_crypt(pmodel_name, sizeof(pmodel_name) - 1);
+	simple_crypt(prespawn_name,  sizeof(prespawn_name)  - 1);
+	simple_crypt(modellist_name, sizeof(modellist_name) - 1);
+	simple_crypt(soundlist_name, sizeof(soundlist_name) - 1);
+}
+
+//============================================================================
+
+/*
+====================
+Host_Init
+====================
+*/
+void Host_Init (quakeparms_t *parms)
+{
+	COM_InitArgv (parms->argc, parms->argv);
+	COM_AddParm ("-game");
+	COM_AddParm ("qw");
+
+	Sys_mkdir("qw");
+
+	if (COM_CheckParm ("-minmemory"))
+		parms->memsize = MINIMUM_MEMORY;
+
+	host_parms = *parms;
+
+	if (parms->memsize < MINIMUM_MEMORY)
+		Sys_Error ("Only %4.1f megs of memory reported, can't execute game", parms->memsize / (float)0x100000);
+
+	Memory_Init (parms->membase, parms->memsize);
+	Cbuf_Init ();
+	Cmd_Init ();
+	V_Init ();
+
+	COM_Init ();
+
+	Host_FixupModelNames();
+	
+	NET_Init (PORT_CLIENT);
+	Netchan_Init ();
+
+	W_LoadWadFile ("gfx.wad");
+	Key_Init ();
+	Con_Init ();	
+	M_Init ();	
+	Mod_Init ();
+	
+//	Con_Printf ("Exe: "__TIME__" "__DATE__"\n");
+	Con_Printf ("%4.1f megs RAM used.\n",parms->memsize/ (1024*1024.0));
+	
+	R_InitTextures ();
+ 
+	host_basepal = (byte *)COM_LoadHunkFile ("gfx/palette.lmp");
+	if (!host_basepal)
+		Sys_Error ("Couldn't load gfx/palette.lmp");
+	host_colormap = (byte *)COM_LoadHunkFile ("gfx/colormap.lmp");
+	if (!host_colormap)
+		Sys_Error ("Couldn't load gfx/colormap.lmp");
+#ifdef __linux__
+	IN_Init ();
+	CDAudio_Init ();
+	VID_Init (host_basepal);
+	Draw_Init ();
+	SCR_Init ();
+	R_Init ();
+
+//	S_Init ();		// S_Init is now done as part of VID. Sigh.
+	
+	cls.state = ca_disconnected;
+	Sbar_Init ();
+	CL_Init ();
+#else
+	VID_Init (host_basepal);
+	Draw_Init ();
+	SCR_Init ();
+	R_Init ();
+//	S_Init ();		// S_Init is now done as part of VID. Sigh.
+#ifdef GLQUAKE
+	S_Init();
+#endif
+
+	cls.state = ca_disconnected;
+	CDAudio_Init ();
+	Sbar_Init ();
+	CL_Init ();
+	IN_Init ();
+#endif
+
+	Cbuf_InsertText ("exec quake.rc\n");
+	Cbuf_AddText ("echo Type connect <internet address> or use GameSpy to connect to a game.\n");
+	Cbuf_AddText ("cl_warncmd 1\n");
+
+	Hunk_AllocName (0, "-HOST_HUNKLEVEL-");
+	host_hunklevel = Hunk_LowMark ();
+
+	host_initialized = true;
+
+	Con_Printf ("\nClient Version %4.2f (Build %04d)\n\n", VERSION, build_number());
+
+	Con_Printf ("������� QuakeWorld Initialized �������\n");	
+}
+
+
+/*
+===============
+Host_Shutdown
+
+FIXME: this is a callback from Sys_Quit and Sys_Error.  It would be better
+to run quit through here before the final handoff to the sys code.
+===============
+*/
+void Host_Shutdown(void)
+{
+	static qboolean isdown = false;
+	
+	if (isdown)
+	{
+		printf ("recursive shutdown\n");
+		return;
+	}
+	isdown = true;
+
+	Host_WriteConfiguration (); 
+		
+	CDAudio_Shutdown ();
+	NET_Shutdown ();
+	S_Shutdown();
+	IN_Shutdown ();
+	if (host_basepal)
+		VID_Shutdown();
+}
+