cl_main.c

/**
	\file
	
	\brief
	Main client module - connection-related and other mixed-purpose functions
**/

/**
	\mainpage
	Welcome to the doxygen documentation of the ezQuake QuakeWorld client
	Majority of the code is not documented with Doxygen markup, therefore
	you will not find much things in here in the early stages.

	For start this documentation serves as an example how to document the code.
	See how \link parser.c parser.c \endlink file is documented.

	You may wish to proceed to the <a href="files.html">list of modules</a>
**/
/*
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.

$Id: cl_main.c,v 1.207 2007-10-28 19:56:44 qqshka Exp $
*/
// cl_main.c  -- client main loop

#include "quakedef.h"
#include "winquake.h"
#include "cdaudio.h"
#include "cl_slist.h"
#include "movie.h"
#include "logging.h"
#include "ignore.h"
#include "fchecks.h"
#include "config_manager.h"
#include "mp3_player.h"
#include "mvd_utils.h"
#include "EX_browser.h"
#include "qtv.h"
#include "keys.h"
#include "hud.h"
#include "hud_common.h"
#include "hud_editor.h"
#include "auth.h"
#include "input.h"
#ifdef GLQUAKE
#include "gl_model.h"
#include "gl_local.h"
#include "tr_types.h"
#else
#include "r_model.h"
#include "r_local.h"
#endif
#include "teamplay.h"
#include "tp_triggers.h"
#include "rulesets.h"
#include "version.h"
#include "stats_grid.h"
#include "fmod.h"
#include "modules.h"
#include "sbar.h"
#include "utils.h"
#include "qsound.h"
#include "menu.h"
#include "image.h"
#ifndef _WIN32
#include <netdb.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#endif
#ifndef CLIENTONLY
#include "server.h"
#endif
#include "fs.h"
#include "help.h"
#include "irc.h"
#ifdef _DEBUG
#include "parser.h"
#endif
#if defined (_WIN32) || defined (__linux__) || defined (__APPLE__)
#include "mumble.h"
#endif
#if defined (__linux__) || defined (__FreeBSD__) || defined (__APPLE__)
extern qbool ActiveApp, Minimized;
#endif

static void Cl_Reset_Min_fps_f(void);

cvar_t	allow_scripts = {"allow_scripts", "2", 0, Rulesets_OnChange_allow_scripts};
cvar_t	rcon_password = {"rcon_password", ""};
cvar_t	rcon_address = {"rcon_address", ""};
cvar_t	cl_crypt_rcon = {"cl_crypt_rcon", "1"};

cvar_t	cl_timeout = {"cl_timeout", "60"};

cvar_t	cl_delay_packet = {"cl_delay_packet", "0", 0, Rulesets_OnChange_cl_delay_packet};

cvar_t	cl_shownet = {"cl_shownet", "0"};	// can be 0, 1, or 2
#if defined(PROTOCOL_VERSION_FTE) || defined(PROTOCOL_VERSION_FTE2)
cvar_t  cl_pext = {"cl_pext", "1"};					// allow/disallow protocol extensions at all.
													// some extensions can be explicitly controlled.
cvar_t  cl_pext_other = {"cl_pext_other", "0"};		// extensions which does not have own variables should be controlled by this variable.
#endif
#ifdef FTE_PEXT_256PACKETENTITIES
cvar_t	cl_pext_256packetentities = {"cl_pext_256packetentities", "1"};
#endif
#ifdef FTE_PEXT_CHUNKEDDOWNLOADS
cvar_t  cl_pext_chunkeddownloads  = {"cl_pext_chunkeddownloads", "1"};
cvar_t  cl_chunksperframe  = {"cl_chunksperframe", "5"};
#endif

#ifdef FTE_PEXT2_VOICECHAT
cvar_t  cl_pext_voicechat  = {"cl_pext_voicechat", "1"};
#endif

#ifdef FTE_PEXT_FLOATCOORDS
cvar_t  cl_pext_floatcoords  = {"cl_pext_floatcoords", "1"};
#endif

cvar_t	cl_sbar		= {"cl_sbar", "0"};
cvar_t	cl_hudswap	= {"cl_hudswap", "0"};
cvar_t	cl_maxfps	= {"cl_maxfps", "0"};
cvar_t	cl_physfps	= {"cl_physfps", "0"};	//#fps
cvar_t	cl_physfps_spectator = {"cl_physfps_spectator", "30"};
cvar_t  cl_independentPhysics = {"cl_independentPhysics", "1", 0, Rulesets_OnChange_indphys};
cvar_t	cl_vsync_lag_fix = {"cl_vsync_lag_fix", "0"};
cvar_t	cl_vsync_lag_tweak = {"cl_vsync_lag_tweak", "1.0"};

cvar_t	cl_predict_players = {"cl_predict_players", "1"};
cvar_t	cl_solid_players = {"cl_solid_players", "1"};
cvar_t	cl_predict_half = {"cl_predict_half", "0"};

cvar_t  show_fps2 = {"scr_scoreboard_drawfps","0"};
cvar_t	hud_fps_min_reset_interval = {"hud_fps_min_reset_interval", "60"};

cvar_t  localid = {"localid", ""};

static qbool allowremotecmd = true;

cvar_t	cl_deadbodyfilter = {"cl_deadbodyFilter", "0"};
cvar_t	cl_gibfilter = {"cl_gibFilter", "0"};
cvar_t	cl_backpackfilter = {"cl_backpackfilter", "0"};
cvar_t	cl_muzzleflash = {"cl_muzzleflash", "1"};
cvar_t	cl_rocket2grenade = {"cl_r2g", "0"};
cvar_t	cl_demospeed = {"cl_demospeed", "1"};
cvar_t	cl_staticsounds = {"cl_staticSounds", "1"};
cvar_t	cl_fakeshaft = {"cl_fakeshaft", "0", 0, Rulesets_OnChange_cl_fakeshaft};
cvar_t	cl_fakeshaft_extra_updates = {"cl_fakeshaft_extra_updates", "1"};
cvar_t	cl_parseWhiteText = {"cl_parseWhiteText", "1"};
cvar_t	cl_filterdrawviewmodel = {"cl_filterdrawviewmodel", "0"};
cvar_t	cl_demoPingInterval = {"cl_demoPingInterval", "5"};
cvar_t  demo_getpings      = {"demo_getpings",    "1"};
cvar_t	cl_chatsound = {"s_chat_custom", "1"};
cvar_t	cl_confirmquit = {"cl_confirmquit", "0"}; // , CVAR_INIT
cvar_t	cl_fakename = {"cl_fakename", ""};
cvar_t	cl_fakename_suffix = {"cl_fakename_suffix", ": "};
cvar_t	qizmo_dir = {"qizmo_dir", "qizmo"};
cvar_t	qwdtools_dir = {"qwdtools_dir", "qwdtools"};

cvar_t	cl_earlypackets = {"cl_earlypackets", "1"};

cvar_t	cl_restrictions = {"cl_restrictions", "0"}; // 1 is FuhQuake and QW262 defaults

cvar_t cl_floodprot			= {"cl_floodprot", "0"};
cvar_t cl_fp_messages		= {"cl_fp_messages", "4"};
cvar_t cl_fp_persecond		= {"cl_fp_persecond", "4"};
cvar_t cl_cmdline			= {"cl_cmdline", "", CVAR_ROM};
cvar_t cl_useproxy			= {"cl_useproxy", "0"};
cvar_t cl_proxyaddr         = {"cl_proxyaddr", ""};
cvar_t cl_window_caption	= {"cl_window_caption", "1"};

cvar_t cl_model_bobbing		= {"cl_model_bobbing", "1"};
cvar_t cl_nolerp			= {"cl_nolerp", "0"}; // 0 is good for indep-phys, 1 is good for old-phys

//this var has effect only if cl_nolerp is 1 and indep-phys enabled
//setting it to 0 removes jerking when standing on platforms
cvar_t cl_nolerp_on_entity	= {"cl_nolerp_on_entity", "0"};

cvar_t cl_newlerp				= {"cl_newlerp", "0"};
cvar_t cl_lerp_monsters			= {"cl_lerp_monsters", "1"};
cvar_t cl_fix_mvd				= {"cl_fix_mvd", "0"};

cvar_t r_rocketlight			= {"r_rocketLight", "1"};
cvar_t r_rocketlightcolor		= {"r_rocketLightColor", "0"};
cvar_t r_explosionlightcolor	= {"r_explosionLightColor", "0"};
cvar_t r_explosionlight			= {"r_explosionLight", "1"};
cvar_t r_flagcolor				= {"r_flagColor", "0"};
cvar_t r_lightflicker			= {"r_lightflicker", "1"};
cvar_t r_powerupglow			= {"r_powerupGlow", "1"};
cvar_t cl_novweps				= {"cl_novweps", "0"};
cvar_t r_drawvweps				= {"r_drawvweps", "1"};
cvar_t r_rockettrail			= {"r_rocketTrail", "1"}; // 9
cvar_t r_grenadetrail			= {"r_grenadeTrail", "1"}; // 3
cvar_t r_railtrail				= {"r_railTrail", "1"};
cvar_t r_instagibtrail				= {"r_instagibTrail", "1"};
cvar_t r_explosiontype			= {"r_explosionType", "1"}; // 7
cvar_t r_telesplash				= {"r_telesplash", "1"}; // disconnect
cvar_t r_shaftalpha				= {"r_shaftalpha", "1"};

// info mirrors
cvar_t	password				= {"password", "", CVAR_USERINFO};
cvar_t	spectator				= {"spectator", "", CVAR_USERINFO};
void CL_OnChange_name_validate(cvar_t *var, char *val, qbool *cancel);
cvar_t	name					= {"name", "player", CVAR_USERINFO, CL_OnChange_name_validate};
cvar_t	team					= {"team", "", CVAR_USERINFO};
cvar_t	topcolor				= {"topcolor","", CVAR_USERINFO};
cvar_t	bottomcolor				= {"bottomcolor","", CVAR_USERINFO};
cvar_t	skin					= {"skin", "", CVAR_USERINFO};
cvar_t	rate					= {"rate", "5760", CVAR_USERINFO};
void OnChange_AppliedAfterReconnect (cvar_t *var, char *value, qbool *cancel);
cvar_t	mtu						= {"mtu", "", CVAR_USERINFO, OnChange_AppliedAfterReconnect};
cvar_t	msg						= {"msg", "1", CVAR_USERINFO};
cvar_t  noaim					= {"noaim", "1", CVAR_USERINFO};
cvar_t	w_switch				= {"w_switch", "", CVAR_USERINFO};
cvar_t	b_switch				= {"b_switch", "", CVAR_USERINFO};
cvar_t	railcolor				= {"railcolor", "", CVAR_USERINFO};

cvar_t  cl_mediaroot			= {"cl_mediaroot", "0"};

cvar_t  msg_filter				= {"msg_filter", "0"};

cvar_t cl_onload				= {"cl_onload", "menu"};

#ifdef WIN32
cvar_t cl_verify_qwprotocol		= {"cl_verify_qwprotocol", "1"};
#endif // WIN32

#ifndef WIN32
cvar_t sys_inactivesound		= {"sys_inactiveSound", "1"};
#endif

cvar_t demo_autotrack			= {"demo_autotrack", "0"}; // use or not autotrack info from mvd demos

/// persistent client state
clientPersistent_t	cls;

/// client state
clientState_t		cl;

centity_t       cl_entities[CL_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
#ifdef GLQUAKE
visentlist_t	cl_firstpassents, cl_visents, cl_alphaents;
#else
visentlist_t	cl_visents, cl_visbents;
#endif

double		connect_time = 0;		// for connection retransmits
qbool		connected_via_proxy = false;
float nViewsizeExit=100;

qbool	host_skipframe;			// used in demo playback

byte		*host_basepal = NULL;
byte		*host_colormap = NULL;

int		fps_count;
double		lastfps;

void CL_Multiview(void);

// emodel and pmodel are encrypted to prevent llamas from easily hacking them
char emodel_name[] = { 'e'^0xe5, 'm'^0xe5, 'o'^0xe5, 'd'^0xe5, 'e'^0xe5, 'l'^0xe5, 0 };
char pmodel_name[] = { 'p'^0xe5, 'm'^0xe5, 'o'^0xe5, 'd'^0xe5, 'e'^0xe5, 'l'^0xe5, 0 };

static void simple_crypt (char *buf, int len) {
	while (len--)
		*buf++ ^= 0xe5;
}

static void CL_FixupModelNames (void) {
	simple_crypt (emodel_name, sizeof(emodel_name) - 1);
	simple_crypt (pmodel_name, sizeof(pmodel_name) - 1);
}

void OnChange_AppliedAfterReconnect (cvar_t *var, char *value, qbool *cancel)
{
	if (cls.state != ca_disconnected)
	{
		Com_Printf ("%s change will be applied after reconnect!\n", var->name);
	}
}


#ifdef WIN32

#define QW_URL_OPEN_CMD_REGKEY		"Software\\Classes\\qw\\shell\\Open\\Command"
#define QW_URL_DEFAULTICON_REGKEY	"Software\\Classes\\qw\\DefaultIcon"

//
// Checks if this client is the default qw protocol handler.
//
qbool CL_CheckIfQWProtocolHandler()
{
	DWORD type;
	char reg_path[1024];
	DWORD len = (DWORD) sizeof(reg_path);
	HKEY hk;

	if (RegOpenKey(HKEY_CURRENT_USER, QW_URL_OPEN_CMD_REGKEY, &hk) != 0)
	{
		return false;
	}

	// Get the size we need to read.
	if (RegQueryValueEx(hk, NULL, 0, &type, (BYTE *) reg_path, &len) == ERROR_SUCCESS)
	{
		char expanded_reg_path[MAX_PATH];

		// Expand any environment variables in the reg value so that we get a real path to compare with.
		ExpandEnvironmentStrings(reg_path, expanded_reg_path, sizeof(expanded_reg_path));

		#if 0
		// This checks if the current exe is associated with, otherwise it will prompt the user
		// a bit more "in the face" if the user has more than one ezquake version.
		{
			char exe_path[MAX_PATH];
		
			// Get the long path of the current process.
			// C:\Program Files\Quake\ezquake-gl.exe
			Sys_GetFullExePath(exe_path, sizeof(exe_path), true);

			if (strstri(reg_path, exe_path) || strstri(expanded_reg_path, exe_path))
			{
				// This exe is associated with the qw:// protocol, return true.
				CloseHandle(hk);
				return true;
			}

			// Get the short path and check if that matches instead.
			// C:\Program~1\Quake\ezquake-gl.exe
			Sys_GetFullExePath(exe_path, sizeof(exe_path), false);

			if (strstri(reg_path, exe_path) || strstri(expanded_reg_path, exe_path))
			{
				CloseHandle(hk);
				return true;
			}
		}
		#else
		// Only check if ezquake is in the string that associates with the qw:// protocol
		// so if you have several ezquake exes it won't bug you if you just switch between those
		// (Only one will be registered as the protocol handler though ofcourse).

		if (strstri(reg_path, "ezquake"))
		{
			CloseHandle(hk);
			return true;
		}

		#endif
	}

	CloseHandle(hk);
	return false;
}

void CL_RegisterQWURLProtocol_f(void)
{
	HKEY keyhandle;
	char exe_path[MAX_PATH];

	Sys_GetFullExePath(exe_path, sizeof(exe_path), true);

	//
	// HKCU\qw\shell\Open\Command
	//
	{
		char open_cmd[1024];
		snprintf(open_cmd, sizeof(open_cmd), "\"%s\" +qwurl %%1", exe_path);

		// Open / Create the key.
		if (RegCreateKeyEx(HKEY_CURRENT_USER,		// A handle to an open subkey.
						QW_URL_OPEN_CMD_REGKEY,		// Subkey.
						0,							// Reserved, must be 0.
						NULL,						// Class, ignored.
						REG_OPTION_NON_VOLATILE,	// Save the change to disk.
						KEY_WRITE,					// Access rights.
						NULL,						// Security attributes (NULL means default, inherited from direct parent).
						&keyhandle,					// Handle to the created key.
						NULL))						// Don't care if the key existed or not.
		{
			Com_Printf_State(PRINT_WARNING, "Could not create HKCU\\"QW_URL_OPEN_CMD_REGKEY"\n");
			return;
		}

		// Set the key value.
		if (RegSetValueEx(keyhandle, NULL, 0, REG_SZ, (BYTE *) open_cmd,  strlen(open_cmd) * sizeof(char)))
		{
			Com_Printf_State(PRINT_WARNING, "Could not set HKCU\\"QW_URL_OPEN_CMD_REGKEY"\\@\n");
			RegCloseKey(keyhandle);
			return;
		}

		RegCloseKey(keyhandle);
	}

	//
	// HKCU\qw\DefaultIcon
	//
	{
		char default_icon[1024];
		snprintf(default_icon, sizeof(default_icon), "\"%s\",1", exe_path);

		// Open / Create the key.
		if (RegCreateKeyEx(HKEY_CURRENT_USER, QW_URL_DEFAULTICON_REGKEY, 
			0, NULL, REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, &keyhandle, NULL))
		{
			Com_Printf_State(PRINT_WARNING, "Could not create HKCU\\"QW_URL_OPEN_CMD_REGKEY"\n");
			return;
		}

		// Set the key value.
		if (RegSetValueEx(keyhandle, NULL, 0, REG_SZ, (BYTE *) default_icon, strlen(default_icon) * sizeof(char)))
		{
			Com_Printf_State(PRINT_WARNING, "Could not set HKCU\\"QW_URL_OPEN_CMD_REGKEY"\\@\n");
			RegCloseKey(keyhandle);
			return;
		}

		RegCloseKey(keyhandle);
	}

	//
	// HKCU\qw
	//
	{
		char protocol_name[] = "URL:QW Protocol";

		// Open / Create the key.
		if (RegCreateKeyEx(HKEY_CURRENT_USER, "qw", 
			0, NULL, REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, &keyhandle, NULL))
		{
			Com_Printf_State(PRINT_WARNING, "Could not create HKCU\\qw\n");
			return;
		}

		// Set the protocol name.
		if (RegSetValueEx(keyhandle, NULL, 0, REG_SZ, (BYTE *) protocol_name, strlen(protocol_name) * sizeof(char)))
		{
			Com_Printf_State(PRINT_WARNING, "Could not set HKCU\\qw\\@\n");
			RegCloseKey(keyhandle);
			return;
		}

		if (RegSetValueEx(keyhandle, "URL Protocol", 0, REG_SZ, (BYTE *) "", sizeof(char)))
		{
			Com_Printf_State(PRINT_WARNING, "Could not set HKCU\\qw\\URL Protocol\n");
			RegCloseKey(keyhandle);
			return;
		}

		RegCloseKey(keyhandle);
	}
}

#endif // WIN32

//============================================================================

char *CL_Macro_ConnectionType(void) 
{
	char *s;
	static char macrobuf[16];

	s = (cls.state < ca_connected) ? "disconnected" : cl.spectator ? "spectator" : "player";
	strlcpy(macrobuf, s, sizeof(macrobuf));
	return macrobuf;
}

char *CL_Macro_Demoplayback(void) 
{
	char *s;
	static char macrobuf[16];

	s = cls.mvdplayback ? "mvdplayback" : cls.demoplayback ? "qwdplayback" : "0";
	strlcpy(macrobuf, s, sizeof(macrobuf));
	return macrobuf;
}

char *CL_Macro_Demotime(void)
{   
	// Intended for scripted & timed camera movement
	static char macrobuf[16];

	snprintf(macrobuf, sizeof(macrobuf), "%f", (float) cls.demotime);
	return macrobuf;
}

char *CL_Macro_Rand(void)
{
	// Returns a number in range <0..1)
	static char macrobuf[16];

	snprintf(macrobuf, sizeof(macrobuf), "%f", (double) rand() / RAND_MAX);
	return macrobuf;
}

char *CL_Macro_Serverstatus(void)
{
	char *s;
	static char macrobuf[16];

	s = (cls.state < ca_connected) ? "disconnected" : cl.standby ? "standby" : "normal";
	strlcpy(macrobuf, s, sizeof(macrobuf));
	return macrobuf;
}

char *CL_Macro_ServerIp(void) 
{
	return NET_AdrToString(cls.server_adr);
}

char *CL_Macro_Conwidth(void) 
{
	static char macrobuf[16];
	snprintf(macrobuf, sizeof(macrobuf), "%i", vid.conwidth);
	return macrobuf;
}

char *CL_Macro_Conheight(void)
{
	static char macrobuf[16];
	snprintf(macrobuf, sizeof(macrobuf), "%i", vid.conheight);
	return macrobuf;
}

int CL_ClientState (void)
{
	return cls.state;
}

void CL_MakeActive(void) 
{
	cls.state = ca_active;
	if (cls.demoplayback) 
	{
		host_skipframe = true;
		demostarttime = cls.demotime;
	}

	Con_ClearNotify ();
	TP_ExecTrigger ("f_spawn");
}

// Cvar system calls this when a CVAR_USERINFO cvar changes
void CL_UserinfoChanged (char *key, char *string) 
{
	char *s;

	s = TP_ParseFunChars (string, false);

	if (strcmp(s, Info_ValueForKey (cls.userinfo, key))) 
	{
		Info_SetValueForKey (cls.userinfo, key, s, MAX_INFO_STRING);

		if (cls.state >= ca_connected)
		{
			if (cls.mvdplayback == QTV_PLAYBACK)
			{
				QTV_Cmd_Printf(QTV_EZQUAKE_EXT_SETINFO, "setinfo \"%s\" \"%s\"", key, s);
			}
			else
			{
				MSG_WriteByte (&cls.netchan.message, clc_stringcmd);
				SZ_Print (&cls.netchan.message, va("setinfo \"%s\" \"%s\"", key, s));
			}
		}
	}
}

#ifdef PROTOCOL_VERSION_FTE
unsigned int CL_SupportedFTEExtensions (void)
{
	unsigned int fteprotextsupported = 0;

	if (!cl_pext.value)
		return 0;

#ifdef FTE_PEXT_CHUNKEDDOWNLOADS
	if (cl_pext_chunkeddownloads.value)
		fteprotextsupported |= FTE_PEXT_CHUNKEDDOWNLOADS;
#endif

#ifdef FTE_PEXT_256PACKETENTITIES
	if (cl_pext_256packetentities.value)
		fteprotextsupported |= FTE_PEXT_256PACKETENTITIES;
#endif

#ifdef FTE_PEXT_FLOATCOORDS
	if (cl_pext_floatcoords.value)
		fteprotextsupported |= FTE_PEXT_FLOATCOORDS;
#endif

	if (cl_pext_other.value)
	{
#ifdef FTE_PEXT_ACCURATETIMINGS
		fteprotextsupported |= FTE_PEXT_ACCURATETIMINGS;
#endif
#ifdef FTE_PEXT_TRANS
		fteprotextsupported |= FTE_PEXT_TRANS;
#endif
#ifdef FTE_PEXT_HLBSP
		fteprotextsupported |= FTE_PEXT_HLBSP;
#endif
#ifdef FTE_PEXT_MODELDBL
		fteprotextsupported |= FTE_PEXT_MODELDBL;
#endif
#ifdef FTE_PEXT_ENTITYDBL
		fteprotextsupported |= FTE_PEXT_ENTITYDBL;
#endif
#ifdef FTE_PEXT_ENTITYDBL2
		fteprotextsupported |= FTE_PEXT_ENTITYDBL2;
#endif
#ifdef FTE_PEXT_SPAWNSTATIC2
		fteprotextsupported |= FTE_PEXT_SPAWNSTATIC2;
#endif
	}

	return fteprotextsupported;
}
#endif // PROTOCOL_VERSION_FTE

#ifdef PROTOCOL_VERSION_FTE2
unsigned int CL_SupportedFTEExtensions2 (void)
{
	unsigned int fteprotextsupported2 = 0;

	if (!cl_pext.value)
		return 0;

#ifdef FTE_PEXT2_VOICECHAT
	if (cl_pext_voicechat.value)
		fteprotextsupported2 |= FTE_PEXT2_VOICECHAT;
#endif

	return fteprotextsupported2;
}
#endif // PROTOCOL_VERSION_FTE2


// Called by CL_Connect_f and CL_CheckResend
static void CL_SendConnectPacket(
#ifdef PROTOCOL_VERSION_FTE
							unsigned int ftepext
#ifdef PROTOCOL_VERSION_FTE2
							,
#endif // PROTOCOL_VERSION_FTE2
#endif // PROTOCOL_VERSION_FTE
#ifdef PROTOCOL_VERSION_FTE2
							unsigned int ftepext2
#endif // PROTOCOL_VERSION_FTE2

								) 
{
	char data[2048];
	char biguserinfo[MAX_INFO_STRING + 32];
	int extensions;
	extern cvar_t cl_novweps;

	if (cls.state != ca_disconnected)
		return;

	#ifdef PROTOCOL_VERSION_FTE
	cls.fteprotocolextensions  = (ftepext & CL_SupportedFTEExtensions());
	#endif // PROTOCOL_VERSION_FTE
	#ifdef PROTOCOL_VERSION_FTE2
	cls.fteprotocolextensions2  = (ftepext2 & CL_SupportedFTEExtensions2());
	#endif // PROTOCOL_VERSION_FTE

	connect_time = cls.realtime; // For retransmit requests
	cls.qport = Cvar_Value("qport");

	// Let the server know what extensions we support.
	strlcpy (biguserinfo, cls.userinfo, sizeof (biguserinfo));
	extensions = CLIENT_EXTENSIONS &~ (cl_novweps.value ? Z_EXT_VWEP : 0);
	Info_SetValueForStarKey (biguserinfo, "*z_ext", va("%i", extensions), sizeof(biguserinfo));

	snprintf(data, sizeof(data), "\xff\xff\xff\xff" "connect %i %i %i \"%s\"\n", PROTOCOL_VERSION, cls.qport, cls.challenge, biguserinfo);

	#ifdef PROTOCOL_VERSION_FTE
	if (cls.fteprotocolextensions) 
	{
		char tmp[128];
		snprintf(tmp, sizeof(tmp), "0x%x 0x%x\n", PROTOCOL_VERSION_FTE, cls.fteprotocolextensions);
		Com_Printf_State(PRINT_DBG, "0x%x is fte protocol ver and 0x%x is fteprotocolextensions\n", PROTOCOL_VERSION_FTE, cls.fteprotocolextensions);
		strlcat(data, tmp, sizeof(data));
	}
	#endif // PROTOCOL_VERSION_FTE 

	#ifdef PROTOCOL_VERSION_FTE2
	if (cls.fteprotocolextensions2) 
	{
		char tmp[128];
		snprintf(tmp, sizeof(tmp), "0x%x 0x%x\n", PROTOCOL_VERSION_FTE2, cls.fteprotocolextensions2);
		Com_Printf_State(PRINT_DBG, "0x%x is fte protocol ver and 0x%x is fteprotocolextensions2\n", PROTOCOL_VERSION_FTE2, cls.fteprotocolextensions2);
		strlcat(data, tmp, sizeof(data));
	}
	#endif // PROTOCOL_VERSION_FTE2 


	NET_SendPacket(NS_CLIENT, strlen(data), data, cls.server_adr);
}

// Resend a connect message if the last one has timed out
void CL_CheckForResend (void) 
{
	char data[2048];
	double t1, t2;

	if (cls.state == ca_disconnected && com_serveractive) 
	{
		// if the local server is running and we are not, then connect
		strlcpy (cls.servername, "local", sizeof(cls.servername));
		NET_StringToAdr("local", &cls.server_adr);

		// We don't need a challenge on the local server.
		CL_SendConnectPacket(
#ifdef PROTOCOL_VERSION_FTE
				svs.fteprotocolextensions
	#ifdef PROTOCOL_VERSION_FTE2
				,
	#endif // PROTOCOL_VERSION_FTE2
#endif // PROTOCOL_VERSION_FTE
#ifdef PROTOCOL_VERSION_FTE2
				svs.fteprotocolextensions2
#endif // PROTOCOL_VERSION_FTE
				);
		
		// FIXME: cls.state = ca_connecting so that we don't send the packet twice?
		return;
	}

	if (cls.state != ca_disconnected || !connect_time)
		return;
	if (cls.realtime - connect_time < 5.0)
		return;

	t1 = Sys_DoubleTime();
	if (!NET_StringToAdr(cls.servername, &cls.server_adr)) 
	{
		Com_Printf("Bad server address\n");
		connect_time = 0;
		return;
	}

	t2 = Sys_DoubleTime();
	connect_time = cls.realtime + t2 - t1;	// for retransmit requests

	if (cls.server_adr.port == 0)
		cls.server_adr.port = BigShort(PORT_SERVER);

	Com_Printf("Connecting to %s...\n", cls.servername);
	snprintf(data, sizeof(data), "\xff\xff\xff\xff" "getchallenge\n");
	NET_SendPacket(NS_CLIENT, strlen(data), data, cls.server_adr);
}

void CL_BeginServerConnect(void) 
{
	connect_time = -999;	// CL_CheckForResend() will fire immediately
	CL_CheckForResend();
}

//
// Parses a QW-URL of the following format 
// (this can be associated with ezquake in windows by setting some reg info):
// qw://server:port/command
//
// Supported commands:
// - join/connect
// - spectate/observe
// - qtv
//
void CL_QWURL_f (void)
{
	char *connection_str = NULL;
	char *command = NULL;

	if (Cmd_Argc() != 2) 
	{
		Com_Printf ("Usage: %s <qw-url>\n", Cmd_Argv(0));
		return;
	}

	// Strip the leading qw:// first.
	{
		char qws_str[] = "qw://";
		int qws_len	= sizeof(qws_str) - 1;

		connection_str = Cmd_Argv(1);

		if (!strncasecmp(qws_str, connection_str, qws_len))
		{
			connection_str += qws_len;
		}
		else
		{
			Com_Printf("%s: The QW-URL must start with qw://\n", Cmd_Argv(0));
			return;
		}
	}

	command = connection_str;

	// Find the first "/" and treat what's after it as the command.	
	{
		while ((*command) && (*command) != '/')
		{
			command++;
		}

		// Get rid of the leading "/".
		if ((*command) && (*command) == '/')
		{
			command++;
		}
	}

	// Null terminate the server name string.
	connection_str[command - connection_str - 1] = 0;

	// Default to connecting.
	if (!strcmp(command, "") || !strncasecmp(command, "join", 4) || !strncasecmp(command, "connect", 7))
	{
		Cbuf_AddText(va("connect %s\n", connection_str));
	}
	else if (!strncasecmp(command, "spectate", 8) || !strncasecmp(command, "observe", 7))
	{
		Cbuf_AddText(va("observe %s\n", connection_str));
	}
	else if (!strncasecmp(command, "qtv", 3))
	{
		char *password = command + 4;

		Cbuf_AddText(va("qtvplay %s%s\n", connection_str, ((*password) ? va(" %s", password) : "")));
	}
	else
	{
		Com_Printf("%s: Illegal command %s\n", Cmd_Argv(0), command);
	}
}

void CL_Connect_f (void) 
{
	qbool proxy;
	char *connect_addr = NULL;
	char *server_buf = NULL;

	if (Cmd_Argc() != 2) 
	{
		Com_Printf ("Usage: %s <server>\n", Cmd_Argv(0));
		return;
	}

	// in this part proxy means QWFWD proxy
	if (cl_proxyaddr.string[0]) {
		char *secondproxy;
		if ((secondproxy = strchr(cl_proxyaddr.string, '@'))) {
			size_t prx_buf_len = strlen(cl_proxyaddr.string) + strlen(Cmd_Argv(1)) + 2;
			char *prx_buf = (char *) Q_malloc(prx_buf_len);
			server_buf = (char *) Q_malloc(strlen(cl_proxyaddr.string) + 1); // much more than needed

			strlcpy(server_buf, cl_proxyaddr.string, secondproxy - cl_proxyaddr.string + 1);
			connect_addr = server_buf;
			
			strlcpy(prx_buf, secondproxy + 1, prx_buf_len);
			strlcat(prx_buf, "@", prx_buf_len);
			strlcat(prx_buf, Cmd_Argv(1), prx_buf_len);
			Info_SetValueForKey(cls.userinfo, "prx", prx_buf, MAX_INFO_STRING);
			Q_free(prx_buf);
		}
		else {
			Info_SetValueForKey (cls.userinfo, "prx", Cmd_Argv(1), MAX_INFO_STRING);
			if (cls.state >= ca_connected) {
				Cmd_ForwardToServer ();
			}
			connect_addr = cl_proxyaddr.string;
		}
		connected_via_proxy = true;
	}
	else
	{
		connect_addr = Cmd_Argv(1);
		connected_via_proxy = false;
	}

	// in this part proxy means Qizmo proxy
	proxy = cl_useproxy.value && CL_ConnectedToProxy();

	if (proxy)
	{
		Cbuf_AddText(va("say ,connect %s\n", connect_addr));
	} 
	else
	{
		Host_EndGame();
		strlcpy(cls.servername, connect_addr, sizeof(cls.servername));
		CL_BeginServerConnect();
	}

	if (server_buf) Q_free(server_buf);
}

void CL_Connect_BestRoute_f(void)
{
	if (Cmd_Argc() != 2) {
		Com_Printf("Usage: %s <address>\nConnects to given server via fastest available path (ping-wise).\n", Cmd_Argv(0));
		Com_Printf("Requires Server Browser refreshed with sb_findroutes 1\n");
		return;
	}
	else {
		netadr_t adr;
		if (!NET_StringToAdr(Cmd_Argv(1), &adr)) {
			Com_Printf("Invalid address\n");
			return;
		}

		SB_PingTree_DumpPath(&adr);
		SB_PingTree_ConnectBestPath(&adr);
	}
}

void CL_TCPConnect_f (void)
{
	char buffer[6] = {'q', 'i', 'z', 'm', 'o', '\n'};
	int newsocket;
	int len;
	int _true = true;

	float giveuptime;

	char *server;

	if (Cmd_Argc() != 2) {
		Com_Printf ("Usage: %s <server>\n", Cmd_Argv(0));
		return;
	}

	server = Cmd_Argv (1);

	Host_EndGame (); // CL_Disconnect_f();

	strlcpy(cls.servername, Cmd_Argv (1), sizeof(cls.servername));

	NET_StringToAdr(cls.servername, &cls.sockettcpdest);

	if (cls.sockettcp != INVALID_SOCKET)
		closesocket(cls.sockettcp);

	cls.sockettcp = INVALID_SOCKET;
	cls.tcpinlen = 0;

	newsocket = TCP_OpenStream(cls.sockettcpdest);
	if (newsocket == INVALID_SOCKET)
	{
		// Failed
		Com_Printf("Failed to connect, server is either down, firewalled, or on a different port\n");
		return;
	}

	Com_Printf("Waiting for confirmation of server (10 secs)\n");

	giveuptime = Sys_DoubleTime() + 10;

#if 1 // qqshka: qizmo sends "qizmo\n" then expects reply, unfortunatelly that does not work for mvdsv
	// that how MVDSV expects, should work with qizmo too
	send(newsocket, buffer, sizeof(buffer), 0);
	memset(buffer, 0, sizeof(buffer));
#endif

	while(giveuptime > Sys_DoubleTime())
	{
		len = recv(newsocket, buffer, sizeof(buffer), 0);
		if (!strncmp(buffer, "qizmo\n", 6))
		{
			cls.sockettcp = newsocket;
			break;
		}
		SCR_UpdateScreen();
	}

	if (cls.sockettcp == INVALID_SOCKET)
	{
		Com_Printf("Timeout - wrong server type\n");
		closesocket(newsocket);
		return;
	}

	Com_Printf("Confirmed\n");

#if 0 // qqshka: qizmo sends "qizmo\n" then expects reply, unfortunatelly that does not work for mvdsv
	// that how qizmo expects, does not work with MVDSV
	send(cls.sockettcp, buffer, sizeof(buffer), 0);
#endif

	if (setsockopt(cls.sockettcp, IPPROTO_TCP, TCP_NODELAY, (char *)&_true, sizeof(_true)) == -1) {
		Com_Printf ("CL_TCPConnect_f: setsockopt: (%i): %s\n", qerrno, strerror(qerrno));
	}

	CL_BeginServerConnect();
}

qbool CL_ConnectedToProxy(void)
{
	cmd_alias_t *alias = NULL;
	qbool found = true;
	char **s;
	char *qizmo_aliases[] = {	"ezcomp", "ezcomp2", "ezcomp3",
									"f_sens", "f_fps", "f_tj", "f_ta", NULL};
	char *fteqtv_aliases[] = { "+proxleft", "+proxright", NULL }; // who would need more?

	if (cls.state < ca_active)
		return false;

	for (s = qizmo_aliases; *s; s++) 
	{
		if (!(alias = Cmd_FindAlias(*s)) || !(alias->flags & ALIAS_SERVER)) 
		{
			found = false; 
			break;
		}
	}

	if (found)
		return true;

	found = true;
	for (s = fteqtv_aliases; *s; s++) 
	{
		if (!(alias = Cmd_FindAlias(*s)) || !(alias->flags & ALIAS_SERVER)) 
		{
			found = false; break;
		}
	}

	return found;
}

void CL_Join_f (void) 
{
	qbool proxy;

	proxy = cl_useproxy.value && CL_ConnectedToProxy();

	if (Cmd_Argc() > 2) 
	{
		Com_Printf ("Usage: %s [server]\n", Cmd_Argv(0));
		return;
	}

	Cvar_Set(&spectator, "");

	if (Cmd_Argc() == 2) 
	{
		// A server name was given, connect directly or through Qizmo
		Cvar_Set(&spectator, "");
		Cbuf_AddText(va("%s %s\n", proxy ? "say ,connect" : "connect", Cmd_Argv(1)));
		return;
	}

	if (!cls.demoplayback && (cl.z_ext & Z_EXT_JOIN_OBSERVE)) 
	{
		// Server supports the 'join' command, good
		Cmd_ExecuteString("cmd join");
		return;
	}

	Cbuf_AddText(va("%s\n", proxy ? "say ,reconnect" : "reconnect"));
}

void CL_Observe_f (void) 
{
	qbool proxy;

	proxy = cl_useproxy.value && CL_ConnectedToProxy();

	if (Cmd_Argc() > 2) 
	{
		Com_Printf ("Usage: %s [server]\n", Cmd_Argv(0));
		return;
	}

	Cvar_SetValue(&spectator, 1);

	if (Cmd_Argc() == 2) 
	{
		// A server name was given, connect directly or through Qizmo
		Cbuf_AddText(va("%s %s\n", proxy ? "say ,connect" : "connect", Cmd_Argv(1)));
		return;
	}

	if (!cls.demoplayback && (cl.z_ext & Z_EXT_JOIN_OBSERVE))
	{
		// Server supports the 'join' command, good
		Cmd_ExecuteString("cmd observe");
		return;
	}

	Cbuf_AddText(va("%s\n", proxy ? "say ,reconnect" : "reconnect"));
}

// Just toggle mode between spec and player.
void Cl_ToggleSpec_f (void)
{
	if (spectator.string[0])
		CL_Join_f();
	else
		CL_Observe_f();
}

void CL_Hash_f(void)
{
	if (Cmd_Argc() != 2)
	{
		Com_Printf("Usage: %s <string to hash>\n", Cmd_Argv(0));
		return;
	}

	Com_Printf("%u\n", Com_HashKey(Cmd_Argv(1)));
}

void CL_DNS_f(void) 
{
	char address[128], *s;
	struct hostent *h;
	struct in_addr addr;

	if (Cmd_Argc() != 2) 
	{
		Com_Printf("Usage: %s <address>\n", Cmd_Argv(0));
		return;
	}
	
	strlcpy(address, Cmd_Argv(1), sizeof(address));
	if ((s = strchr(address, ':')))
		*s = 0;
	addr.s_addr = inet_addr(address);
	
	if (inet_addr(address) == INADDR_NONE) 
	{
		// Forward lookup
		if (!(h = gethostbyname(address))) 
		{
			Com_Printf("Couldn't resolve %s\n", address);
		} 
		else 
		{
			addr.s_addr = *(int *) h->h_addr_list[0];
			Com_Printf("Resolved %s to %s\n", address, inet_ntoa(addr));
		}
		return;
	}

	// Reverse lookup ip address
	if (!(h = gethostbyaddr((char *) &addr, sizeof(addr), AF_INET)))
		Com_Printf("Couldn't resolve %s\n", address);
	else
		Com_Printf("Resolved %s to %s\n", address, h->h_name);
}

#ifdef GLQUAKE
void SCR_ClearShownick(void);
#endif // GLQUAKE

void SCR_ClearTeamInfo(void);
void SCR_ClearWeaponStats(void);

void CL_ClearState (void) 
{
	int i;
	extern float scr_centertime_off;
	extern cshift_t	cshift_empty;
	extern void CL_ProcessServerInfo (void);

	S_StopAllSounds (true);

	Com_DPrintf ("Clearing memory\n");

	if (!com_serveractive)
		Host_ClearMemory();

	CL_ClearTEnts ();
	CL_ClearScene ();

	CL_ClearPredict();

	// 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));
	memset(cl_entities, 0, sizeof(cl_entities));

	cl.viewheight = DEFAULT_VIEWHEIGHT;

	// Make sure no centerprint messages are left from previous level.
	scr_centertime_off = 0;

	// 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;

	memset(&cshift_empty, 0, sizeof(cshift_empty));

	#ifdef GLQUAKE
	// Clear shownick structs
	SCR_ClearShownick();
	#endif // !GLQUAKE

	// Clear teaminfo structs
	SCR_ClearTeamInfo();

	// Clear weapon stats structs
	SCR_ClearWeaponStats();

	if (!com_serveractive)
		Cvar_ForceSet (&host_mapname, ""); // Notice mapname not valid yet.

	CL_ProcessServerInfo(); // Force set some default variables, because server may not sent fullserverinfo.
}

// 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) 
{
	extern cvar_t r_lerpframes, cl_fakeshaft;

	#ifdef GLQUAKE
	extern cvar_t gl_polyblend, gl_clear;
	#else
	extern cvar_t r_waterwarp;
	extern cvar_t v_contentblend, v_quadcshift, v_ringcshift, v_pentcshift,
		v_damagecshift, v_suitcshift, v_bonusflash;
	#endif // GLQUAKE

	byte final[10];

	connect_time = 0;
	con_addtimestamp = true;

	if (cl.teamfortress)
		V_TF_ClearGrenadeEffects();
	cl.teamfortress = false;

	// Reset values changed by Multiview.
	CURRVIEW = 0;
	scr_viewsize.value		= nViewsizeExit;
	v_contrast.value		= nContrastExit;
	cl_fakeshaft.value		= nfakeshaft;

	#ifdef GLQUAKE
	gl_polyblend.value		= nPolyblendExit;
	gl_clear.value			= nGlClearExit;
	#else
	r_waterwarp.value		= nWaterwarp;
	v_contentblend.value	= nContentblend;
	v_quadcshift.value		= nQuadshift;
	v_ringcshift.value		= nRingshift;
	v_pentcshift.value		= nPentshift;
	v_damagecshift.value	= nDamageshift;
	v_suitcshift.value		= nSuitshift;
	v_bonusflash.value		= nBonusflash;
	#endif // GLQUAKE

	r_lerpframes.value		= nLerpframesExit;
	nTrack1duel = nTrack2duel = 0;
	bExitmultiview = false;

	// Stop sounds (especially looping!)
	S_StopAllSounds (true);

	MT_Disconnect();

	if (cls.demorecording && cls.state != ca_disconnected)
		CL_Stop_f();

	if (cls.mvdrecording && cls.state != ca_disconnected)
	{
		extern void CL_StopMvd_f(void);

		CL_StopMvd_f();
	}

	if (cls.demoplayback) 
	{
		CL_StopPlayback();
	} 
	else if (cls.state != ca_disconnected) 
	{
		final[0] = clc_stringcmd;
		strlcpy ((char *)(final + 1), "drop", sizeof (final) - 1);
		Netchan_Transmit (&cls.netchan, 6, final);
		Netchan_Transmit (&cls.netchan, 6, final);
		Netchan_Transmit (&cls.netchan, 6, final);

		CL_UnqueOutputPacket(true);

		// TCP connect, that gives TCP a chance to transfer data to the server...
		if (cls.sockettcp != INVALID_SOCKET)
		{
			Sys_MSleep(1000);
		}
	}

	memset(&cls.netchan, 0, sizeof(cls.netchan));
	memset(&cls.server_adr, 0, sizeof(cls.server_adr));
	cls.state = ca_disconnected;
	connect_time = 0;

	Cam_Reset();

	CL_FinishDownload(false);

	CL_StopUpload();
	DeleteServerAliases();
	CL_RE_Trigger_ResetLasttime();

	// TCP connect.
	if (cls.sockettcp != INVALID_SOCKET)
	{
		closesocket(cls.sockettcp);
		cls.sockettcp = INVALID_SOCKET;
	}

	cls.qport++; // A hack I picked up from qizmo.

	SZ_Clear(&cls.cmdmsg);

	// So join/observe not confused
	Info_SetValueForStarKey (cl.serverinfo, "*z_ext", "", sizeof(cl.serverinfo));
	cl.z_ext = 0;

	// well, we need free qtv users before new connection
	QTV_FreeUserList();

	Cvar_ForceSet (&host_mapname, ""); // Notice mapname not valid yet
}

void CL_Disconnect_f (void) 
{
	extern int demo_playlist_started;
	extern int mvd_demo_track_run ;
	cl.intermission = 0;
	demo_playlist_started= 0;
	mvd_demo_track_run = 0;

	Host_EndGame();
}

// The server is changing levels.
void CL_Reconnect_f (void) 
{
	if (cls.download)
		return; // Don't change when downloading.

	S_StopAllSounds (true);

	if (cls.mvdplayback == QTV_PLAYBACK) 
	{
		return; // Change map during qtv playback.
	}

	if (cls.state == ca_connected) 
	{
		Com_Printf ("reconnecting...\n");
		MSG_WriteChar (&cls.netchan.message, clc_stringcmd);
		MSG_WriteString (&cls.netchan.message, "new");
		return;
	}

	if (!*cls.servername) 
	{
		Com_Printf ("No server to reconnect to.\n");
		return;
	}

	if (connected_via_proxy) {
		// we were connected via a proxy
		// the target server is (hopefully still) in userinfo/prx
		char *prx = Info_ValueForKey(cls.userinfo, "prx");
		char *lastnode = strrchr(prx, '@');
		if (lastnode) {
			lastnode++;
		}
		else {
			lastnode = prx;
		}
		
		Cbuf_AddText(va("connect %s\n", lastnode));
	}
	else if (!connected_via_proxy && cl_proxyaddr.string[0]) {
		// switch the stuff
		Cbuf_AddText(va("connect %s\n", cls.servername));
	}
	else {
		// good old reconnect, no need to do anything special
		Host_EndGame();
		CL_BeginServerConnect();
	}

	// remember what's the type of this new connection
	connected_via_proxy = cl_proxyaddr.string[0];
}

extern double qstat_senttime;
extern void CL_PrintQStatReply (char *s);
int Plug_ConnectionlessClientPacket(byte *buffer, int size);

// Responses to broadcasts, etc
void CL_ConnectionlessPacket (void) 
{
	int c;
	char *s, cmdtext[2048];
	
	#ifdef PROTOCOL_VERSION_FTE
	unsigned int pext = 0;
	#endif // PROTOCOL_VERSION_FTE
	#ifdef PROTOCOL_VERSION_FTE2
	unsigned int pext2 = 0;
	#endif // PROTOCOL_VERSION_FTE2

    MSG_BeginReading();
    MSG_ReadLong();	// Skip the -1

	if (Plug_ConnectionlessClientPacket(net_message.data+4, net_message.cursize-4))
		return;

	c = MSG_ReadByte();

	if (msg_badread)
		return;	// Runt packet

	switch(c) 
	{
		case S2C_CHALLENGE :
		{
			if (!NET_CompareAdr(net_from, cls.server_adr))
			{
				Com_DPrintf("S2C_CHALLENGE rejected\n");
				Com_DPrintf("net_from       %s\n", NET_AdrToString(net_from));
				Com_DPrintf("cls.server_adr %s\n", NET_AdrToString(cls.server_adr));
				return;
			}
			Com_Printf("%s: challenge\n", NET_AdrToString(net_from));
			cls.challenge = atoi(MSG_ReadString());

			for(;;)
			{
				c = MSG_ReadLong();
				if (msg_badread)
					break;

#ifdef PROTOCOL_VERSION_FTE
				if (c == PROTOCOL_VERSION_FTE)
					pext = MSG_ReadLong();
				else
#endif // PROTOCOL_VERSION_FTE
#ifdef PROTOCOL_VERSION_FTE2
				if (c == PROTOCOL_VERSION_FTE2)
					pext2 = MSG_ReadLong();
				else
#endif // PROTOCOL_VERSION_FTE2
					MSG_ReadLong();
			}

			CL_SendConnectPacket(
#ifdef PROTOCOL_VERSION_FTE
				pext
	#ifdef PROTOCOL_VERSION_FTE2
				,
	#endif // PROTOCOL_VERSION_FTE2
#endif // PROTOCOL_VERSION_FTE
#ifdef PROTOCOL_VERSION_FTE2
				pext2
#endif // PROTOCOL_VERSION_FTE
				);

			break;
		}
		case S2C_CONNECTION :
		{
			if (!NET_CompareAdr(net_from, cls.server_adr))
				return;
			if (!com_serveractive || developer.value)
				Com_Printf("%s: connection\n", NET_AdrToString(net_from));

			if (cls.state >= ca_connected) 
			{
				if (!cls.demoplayback)
					Com_Printf("Dup connect received.  Ignored.\n");
				break;
			}
			Netchan_Setup(NS_CLIENT, &cls.netchan, net_from, cls.qport);
			MSG_WriteChar (&cls.netchan.message, clc_stringcmd);
			MSG_WriteString (&cls.netchan.message, "new");
			cls.state = ca_connected;
			if (!com_serveractive || developer.value)
				Com_Printf("Connected.\n");
			allowremotecmd = false; // localid required now for remote cmds
			break;
		}
		case A2C_CLIENT_COMMAND : 
		{
			// Remote command from gui front end
			Com_Printf ("%s: client command\n", NET_AdrToString (net_from));

			if (net_from.type != net_local_cl_ipadr.type
				|| ((*(unsigned *)net_from.ip != *(unsigned *)net_local_cl_ipadr.ip)
				&& (*(unsigned *)net_from.ip != htonl(INADDR_LOOPBACK))))
			{
				Com_Printf ("Command packet from remote host.  Ignored.\n");
				return;
			}

			#ifdef _WIN32
			ShowWindow (mainwindow, SW_RESTORE);
			SetForegroundWindow (mainwindow);
			#endif // WIN32
			
			s = MSG_ReadString ();
			strlcpy (cmdtext, s, sizeof(cmdtext));
			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) 
				{
					Com_Printf ("===========================\n");
					Com_Printf ("Command packet received from local host, but no "
						"localid has been set.  You may need to upgrade your server "
						"browser.\n");
					Com_Printf ("===========================\n");
				}
				else 
				{
					Com_Printf ("===========================\n");
					Com_Printf ("Invalid localid on command packet received from local host. "
						"\n|%s| != |%s|\n"
						"You may need to reload your server browser and ezQuake.\n",
						s, localid.string);
					Com_Printf ("===========================\n");
					Cvar_Set(&localid, "");
				}
			} 
			else 
			{
				Cbuf_AddText (cmdtext);
				Cbuf_AddText ("\n");
				allowremotecmd = false;
			}
			break;
		}
		case A2C_PRINT:		
		{
			// Print command from somewhere.
			
			#ifdef FTE_PEXT_CHUNKEDDOWNLOADS
			if (net_message.cursize > 100 && !strncmp((char *)net_message.data + 5, "\\chunk", sizeof("\\chunk")-1)) 
			{
				CL_Parse_OOB_ChunkedDownload();
				return;
			}
			#endif // FTE_PEXT_CHUNKEDDOWNLOADS

			if (net_message.data[msg_readcount] == '\\') 
			{
				if (qstat_senttime && curtime - qstat_senttime < 10)
				{
					CL_PrintQStatReply (MSG_ReadString());
					return;
				}
			}

			Com_Printf("%s: print\n", NET_AdrToString(net_from));
			Com_Printf("%s", MSG_ReadString());
			break;
		}
		case svc_disconnect :
		{
			if (cls.demoplayback)
			{
				Com_Printf("\n======== End of demo ========\n\n");
				Host_EndGame();
				Host_Abort();
			}
			break;
		}
	}
}

// Handles playback of demos, on top of NET_ code
qbool CL_GetMessage (void) 
{
	#ifdef _WIN32
	CL_CheckQizmoCompletion ();
	#endif

	if (cls.demoplayback)
		return CL_GetDemoMessage();

	if (!NET_GetPacket(NS_CLIENT))
		return false;

	return true;
}

void CL_ReadPackets (void) 
{
	if (cls.nqdemoplayback) 
	{
		NQD_ReadPackets();
		return;
	}

	while (CL_GetMessage()) 
	{
		// Remote command packet.
		if (*(int *)net_message.data == -1)	
		{
			CL_ConnectionlessPacket();
			Com_DPrintf("Connectionless packet\n");
			continue;
		}

		if (!cls.mvdplayback && (net_message.cursize < 8)) 
		{
			Com_DPrintf("%s: Runt packet\n", NET_AdrToString(net_from));
			continue;
		}

		// Packet from server.
		if (!cls.demoplayback && !NET_CompareAdr(net_from, cls.netchan.remote_address)) 
		{
			Com_DPrintf("%s: sequenced packet without connection\n", NET_AdrToString(net_from));
			continue;
		}

		if (cls.mvdplayback) 
		{
			MSG_BeginReading();
		}
		else 
		{
			if (!Netchan_Process(&cls.netchan))
				continue; // Wasn't accepted for some reason.
		}

		CL_ParseServerMessage();
	}

	// Check timeout.
	if (!cls.demoplayback && cls.state >= ca_connected ) 
	{
		if (curtime - cls.netchan.last_received > (cl_timeout.value > 0 ? cl_timeout.value : 60)) 
		{
			Com_Printf("\nServer connection timed out.\n");
			Host_EndGame();
			return;
		}
	}
}

void CL_SendToServer (void) 
{
	// When recording demos, request new ping times every cl_demoPingInterval.value seconds.
	if (cls.demorecording && !cls.demoplayback && cls.state == ca_active && cl_demoPingInterval.value > 0) 
	{
		if (cls.realtime - cl.last_ping_request > cl_demoPingInterval.value) 
		{
			cl.last_ping_request = cls.realtime;
			MSG_WriteByte (&cls.netchan.message, clc_stringcmd);
			SZ_Print (&cls.netchan.message, "pings");
		}
	}

	// Send intentions now. Resend a connection request if necessary.
	if (cls.state == ca_disconnected)
		CL_CheckForResend ();
	else
		CL_SendCmd ();
}

void CL_OnChange_name_validate(cvar_t *var, char *val, qbool *cancel)
{
	char *clrpart;

	// check for &r
	if (strstr(val, "&r")) {
		*cancel = true;
		Com_Printf("Using color codes in your name is not allowed\n");
		return;
	}
	
	// check for &cRGB
	// RGB has to be a valid hexadecimal number, otherwise it's ok
	clrpart = val;
	do {
		clrpart = strstr(clrpart, "&c");
		if (clrpart) {
			clrpart += 2;
			if (clrpart[0] && clrpart[1] && clrpart[2]) {
				if (HexToInt(clrpart[0]) >= 0 && HexToInt(clrpart[1]) >= 0 && HexToInt(clrpart[2]) >= 0) {
					*cancel = true;
					Com_Printf("Using color codes in your name is not allowed\n");
				}
			}
		}
	} while (clrpart);
}
//=============================================================================

void CL_InitCommands (void);

#ifdef GLQUAKE
void CL_Fog_f (void) 
{
	extern cvar_t gl_fogred, gl_foggreen, gl_fogblue, gl_fogenable;
	
	if (Cmd_Argc() == 1) 
	{
		Com_Printf ("\"fog\" is \"%f %f %f\"\n", gl_fogred.value, gl_foggreen.value, gl_fogblue.value);
		return;
	}
	Cvar_SetValue (&gl_fogenable, 1);
	Cvar_SetValue (&gl_fogred, atof(Cmd_Argv(1)));
	Cvar_SetValue (&gl_foggreen, atof(Cmd_Argv(2)));
	Cvar_SetValue (&gl_fogblue, atof(Cmd_Argv(3)));
}
#endif

void CL_InitLocal (void) 
{
	extern cvar_t baseskin, noskins, cl_name_as_skin, enemyforceskins, teamforceskins;
	char st[256];

	extern void Cl_Messages_Init(void);

	Cl_Messages_Init();

	Cvar_SetCurrentGroup(CVAR_GROUP_CHAT);
	Cvar_Register (&cl_parseWhiteText);
	Cvar_Register (&cl_chatsound);
	Cmd_AddLegacyCommand ("cl_chatsound", "s_chat_custom");
	Cvar_Register (&cl_fakename);
	Cvar_Register (&cl_fakename_suffix);

	Cvar_Register (&cl_restrictions);

	Cvar_Register (&cl_floodprot);
	Cvar_Register (&cl_fp_messages);
	Cvar_Register (&cl_fp_persecond);

	Cvar_Register (&msg_filter);

	Cvar_SetCurrentGroup(CVAR_GROUP_SCREEN);
	Cvar_Register (&cl_shownet);
	Cvar_Register (&show_fps2);
	Cmd_AddLegacyCommand ("draw_fps", "scr_scoreboard_drawfps");
	Cvar_Register (&cl_confirmquit);
	Cvar_Register (&cl_window_caption);
	Cvar_Register (&cl_onload);

	#ifdef WIN32
	Cvar_Register (&cl_verify_qwprotocol);
	#endif // WIN32

	Cvar_SetCurrentGroup(CVAR_GROUP_SBAR);
	Cvar_Register (&cl_sbar);
	Cvar_Register (&cl_hudswap);

	Cvar_SetCurrentGroup(CVAR_GROUP_VIEWMODEL);
	Cvar_Register (&cl_filterdrawviewmodel);

	Cvar_SetCurrentGroup(CVAR_GROUP_EYECANDY);
	Cvar_Register (&cl_model_bobbing);
	Cvar_Register (&cl_nolerp);
	Cvar_Register (&cl_nolerp_on_entity);
	Cvar_Register (&cl_newlerp);
	Cvar_Register (&cl_lerp_monsters);
	Cvar_Register (&cl_maxfps);
	Cvar_Register (&cl_physfps);
	Cvar_Register (&hud_fps_min_reset_interval);
	Cvar_Register (&cl_physfps_spectator);
	Cvar_Register (&cl_independentPhysics);
	Cvar_Register (&cl_vsync_lag_fix);
	Cvar_Register (&cl_vsync_lag_tweak);
	Cvar_Register (&cl_deadbodyfilter);
	Cvar_Register (&cl_gibfilter);
	Cvar_Register (&cl_backpackfilter);
	Cvar_Register (&cl_muzzleflash);
	Cvar_Register (&cl_rocket2grenade);
	Cvar_Register (&r_explosiontype);
	Cvar_Register (&r_lightflicker);
	Cvar_Register (&r_rockettrail);
	Cvar_Register (&r_grenadetrail);
	Cvar_Register (&r_railtrail);
	Cvar_Register (&r_instagibtrail);
	Cvar_Register (&r_powerupglow);
	Cvar_Register (&cl_novweps);
	Cvar_Register (&r_drawvweps);
	Cvar_Register (&r_rocketlight);
	Cvar_Register (&r_explosionlight);
	Cvar_Register (&r_rocketlightcolor);
	Cvar_Register (&r_explosionlightcolor);
	Cvar_Register (&r_flagcolor);
	Cvar_Register (&cl_fakeshaft);
	Cvar_Register (&cl_fakeshaft_extra_updates);
	Cmd_AddLegacyCommand ("cl_truelightning", "cl_fakeshaft");
	Cvar_Register (&r_telesplash);
	Cvar_Register (&r_shaftalpha);

	Cvar_SetCurrentGroup(CVAR_GROUP_SKIN);
	Cvar_Register (&noskins);
	Cvar_Register (&baseskin);
	Cvar_Register (&cl_name_as_skin);
	Cvar_Register (&enemyforceskins);
	Cvar_Register (&teamforceskins);

	Cvar_SetCurrentGroup(CVAR_GROUP_DEMO);
	Cvar_Register (&cl_demospeed);
	Cvar_Register (&cl_demoPingInterval);
	Cvar_Register (&qizmo_dir);
	Cvar_Register (&qwdtools_dir);
	Cvar_Register (&demo_getpings);
	Cvar_Register (&demo_autotrack);

	Cvar_SetCurrentGroup(CVAR_GROUP_SOUND);
	Cvar_Register (&cl_staticsounds);
#ifndef _WIN32
	Cvar_Register (&sys_inactivesound);
#endif

	Cvar_SetCurrentGroup(CVAR_GROUP_USERINFO);
	Cvar_Register (&team);
	Cvar_Register (&spectator);
	Cvar_Register (&skin);
	Cvar_Register (&rate);
	Cvar_Register (&mtu);
	Cvar_Register (&name);
	Cvar_Register (&msg);
	Cvar_Register (&noaim);
	Cvar_Register (&topcolor);
	Cvar_Register (&bottomcolor);
	Cvar_Register (&w_switch);
	Cvar_Register (&b_switch);
	Cvar_Register (&railcolor);

	Cvar_SetCurrentGroup(CVAR_GROUP_NETWORK);
	Cvar_Register (&cl_predict_players);
	Cvar_Register (&cl_solid_players);
	Cvar_Register (&cl_predict_half);
	Cvar_Register (&cl_timeout);
	Cvar_Register (&cl_useproxy);
	Cvar_Register (&cl_proxyaddr);
	Cvar_Register (&cl_crypt_rcon);
	Cvar_Register (&cl_fix_mvd);

	Cvar_Register (&cl_delay_packet);
	Cvar_Register (&cl_earlypackets);

#if defined(PROTOCOL_VERSION_FTE) || defined(PROTOCOL_VERSION_FTE2)
	Cvar_Register (&cl_pext);
	Cvar_Register (&cl_pext_other);
#endif // PROTOCOL_VERSION_FTE
#ifdef FTE_PEXT_256PACKETENTITIES
	Cvar_Register (&cl_pext_256packetentities);
#endif
#ifdef FTE_PEXT_CHUNKEDDOWNLOADS
	Cvar_Register (&cl_pext_chunkeddownloads);
	Cvar_Register (&cl_chunksperframe);
#endif

#ifdef FTE_PEXT2_VOICECHAT
	Cvar_Register (&cl_pext_voicechat);
#endif

#ifdef FTE_PEXT_FLOATCOORDS
	Cvar_Register (&cl_pext_floatcoords);
#endif

	Cvar_SetCurrentGroup(CVAR_GROUP_INPUT_KEYBOARD);
	Cvar_Register (&allow_scripts);

	Cvar_SetCurrentGroup(CVAR_GROUP_SYSTEM_SETTINGS);
	Cvar_Register (&cl_mediaroot);

	Cvar_SetCurrentGroup(CVAR_GROUP_NO_GROUP);
	Cvar_Register (&password);
	Cvar_Register (&rcon_password);
	Cvar_Register (&rcon_address);
	Cvar_Register (&localid);
	Cvar_Register (&cl_warncmd);
	Cvar_Register (&cl_cmdline);
	Cvar_ForceSet (&cl_cmdline, com_args_original);
	Cvar_ResetCurrentGroup();

	snprintf(st, sizeof(st), "ezQuake %i", build_number());

	if (COM_CheckParm ("-norjscripts") || COM_CheckParm ("-noscripts"))
		Cvar_SetValue (&allow_scripts, 0);

 	Info_SetValueForStarKey (cls.userinfo, "*client", st, MAX_INFO_STRING);

	if (COM_CheckParm("-noindphys")) 
	{
		Cvar_SetValue(&cl_independentPhysics, 0);
		Cvar_SetValue(&cl_nolerp, 1);
	}

	Cmd_AddLegacyCommand ("demotimescale", "cl_demospeed");

	CL_InitCommands ();

	Cmd_AddCommand ("disconnect", CL_Disconnect_f);
	Cmd_AddCommand ("connect", CL_Connect_f);
	Cmd_AddCommand ("connectbr", CL_Connect_BestRoute_f);

	Cmd_AddCommand ("qwurl", CL_QWURL_f);

	Cmd_AddCommand ("tcpconnect", CL_TCPConnect_f);

	Cmd_AddCommand ("join", CL_Join_f);
	Cmd_AddCommand ("observe", CL_Observe_f);
	Cmd_AddCommand ("togglespec", Cl_ToggleSpec_f);

	Cmd_AddCommand ("hud_fps_min_reset", Cl_Reset_Min_fps_f);

	#ifdef WIN32
	Cmd_AddCommand ("register_qwurl_protocol", CL_RegisterQWURLProtocol_f);
	#endif // WIN32

	Cmd_AddCommand ("dns", CL_DNS_f);
	Cmd_AddCommand ("hash", CL_Hash_f);
	Cmd_AddCommand ("reconnect", CL_Reconnect_f);

	Cmd_AddMacro("connectiontype", CL_Macro_ConnectionType);
	Cmd_AddMacro("demoplayback", CL_Macro_Demoplayback);
	Cmd_AddMacro("demotime", CL_Macro_Demotime);
	Cmd_AddMacro("rand", CL_Macro_Rand);
	Cmd_AddMacro("matchstatus", CL_Macro_Serverstatus);
	Cmd_AddMacro("serverip", CL_Macro_ServerIp);
	Cmd_AddMacro("conwidth", CL_Macro_Conwidth);
	Cmd_AddMacro("conheight", CL_Macro_Conheight);
}

void GFX_Init (void) 
{
	Draw_Init();
	SCR_Init();
	R_Init();
	Sbar_Init();
	HUD_Editor_Init();	// Need to reload some textures.
}

void ReloadPaletteAndColormap(void)
{
	int filesize;

	// free

	Q_free(host_basepal);
	Q_free(host_colormap);

	// load

	host_basepal = (byte *) FS_LoadHeapFile ("gfx/palette.lmp", &filesize);
	if (!host_basepal)
		Sys_Error ("Couldn't load gfx/palette.lmp");
	FMod_CheckModel("gfx/palette.lmp", host_basepal, filesize);

	host_colormap = (byte *) FS_LoadHeapFile ("gfx/colormap.lmp", &filesize);
	if (!host_colormap)
		Sys_Error ("Couldn't load gfx/colormap.lmp");
	FMod_CheckModel("gfx/colormap.lmp", host_colormap, filesize);
}

void EX_FileList_Init(void);
void Plug_Init(void);

void CL_Init (void) 
{
	// When ezquake was launched via a webpage (qtv) the working directory wasn't properly
	// set. Changing the directory makes sure it starts out in the directory where ezquake 
	// is located.
	Sys_chdir(com_basedir);

	cls.state = ca_disconnected;
	cls.min_fps = 999999;

	SZ_Init(&cls.cmdmsg, cls.cmdmsg_data, sizeof(cls.cmdmsg_data));
	cls.cmdmsg.allowoverflow = true;

	strlcpy (cls.gamedirfile, com_gamedirfile, sizeof (cls.gamedirfile));
	strlcpy (cls.gamedir, com_gamedir, sizeof (cls.gamedir));

	Modules_Init();
	FChecks_Init();

	ReloadPaletteAndColormap();

	Sys_mkdir(va("%s/qw", com_basedir));
	Sys_mkdir(va("%s/ezquake", com_basedir));

	History_Init();
	V_Init ();
	MVD_Utils_Init ();

#ifdef __linux__
	IN_Init ();
	VID_Init (host_basepal);
#else
	VID_Init (host_basepal);
	IN_Init ();
#endif

	Image_Init();

	GFX_Init ();

#if defined(FRAMEBUFFERS) && defined(GLQUAKE)
	Framebuffer_Init();
#endif

	S_Init ();

	CDAudio_Init ();

	CL_InitLocal ();
	CL_FixupModelNames ();
	CL_InitInput ();
	CL_InitEnts ();
	CL_InitTEnts ();
	CL_InitPrediction ();
	CL_InitCam ();
	TP_Init ();
	Hud_262Init();
	HUD_Init();
	Help_Init();
	M_Init ();
	EX_FileList_Init();

	SList_Init ();
	SList_Load ();

	MT_Init();
	CL_Demo_Init();
	Ignore_Init();
	Auth_Init();
	Log_Init();
	Movie_Init();

#ifdef _DEBUG
	if (Expr_Run_Unit_Tests() != 0) {
		Sys_Error("One of the expression parser unit tests failed");
	}
#endif

	// moved to host.c:Host_Init()
	//ConfigManager_Init();
	Stats_Init();
	MP3_Init();
	SB_RootInit();
#ifdef WITH_IRC	
	IRC_Init();
#endif

	QTV_Init();

#if defined (_WIN32) || defined (__linux__) || defined (__APPLE__)
	Mumble_Init();
#endif

	Sys_InitIPC();

	Rulesets_Init();
	Plug_Init();
}

//============================================================================

// wrapper function to deal with inactivesound
void CL_S_ExtraUpdate()
{
#ifndef WIN32
	float tmpvolume = 0;
	if ((!sys_inactivesound.value && (!ActiveApp || Minimized)) || (sys_inactivesound.integer == 2 && Minimized)) {
		tmpvolume = Cvar_Value("volume");
		Cvar_SetValueByName("volume", 0);
	}
#endif

	S_ExtraUpdate();

#ifndef WIN32
	if ((!sys_inactivesound.value && (!ActiveApp || Minimized)) || (sys_inactivesound.integer == 2 && Minimized))
		Cvar_SetValueByName("volume", tmpvolume);
#endif
}

void CL_BeginLocalConnection (void) 
{
	S_StopAllSounds (true);

	// make sure we're not connected to an external server,
	// and demo playback is stopped
	if (!com_serveractive)
		CL_Disconnect ();

	cl.worldmodel = NULL;

	if (cls.state == ca_active)
		cls.state = ca_connected;
}

// automatically pause the game when going into the menus in single player
static void CL_CheckAutoPause (void) 
{
	#ifndef CLIENTONLY

	extern cvar_t maxclients;

	if (com_serveractive && cls.state == ca_active && !cl.deathmatch && maxclients.value == 1
		&& (key_dest == key_menu /*|| key_dest == key_console*/))
	{
		if (!(sv.paused & 2))
			SV_TogglePause (NULL, 2);
	}
	else 
	{
		if (sv.paused & 2)
			SV_TogglePause (NULL, 2);
	}
	#endif // CLIENTONLY
}


static double CL_MinFrameTime (void) 
{
	double fps, fpscap;

	if (cls.timedemo || Movie_IsCapturing())
		return 0;

#if defined (_WIN32) || defined (__linux__) || defined (__FreeBSD__)
	if (Minimized)
		return 1 / 30.0;
#endif

	if (cls.demoplayback)
	{
		if (!cl_maxfps.value)
			return 0;

		// Multiview.
		if (cl_multiview.value > 0 && cls.mvdplayback)
		{
			fps = max (30.0, cl_maxfps.value * nNumViews);
		}
		else
		{
			fps = max (30.0, cl_maxfps.value);
		}

	}
	else
	{
		if (cl_independentPhysics.value == 0)
		{
			fpscap = cl.maxfps ? max (30.0, cl.maxfps) : Rulesets_MaxFPS();
			fps = cl_maxfps.value ? bound (30.0, cl_maxfps.value, fpscap) : com_serveractive ? fpscap : bound (30.0, rate.value / 80.0, fpscap);
		}
		else
			fps = cl_maxfps.value ? max(cl_maxfps.value, 30) : 99999; //#fps:
	}

	return 1 / fps;
}

static double MinPhysFrameTime (void)
{
	// Server policy
	float fpscap = (cl.maxfps ? cl.maxfps : 72.0);
	// Use either cl_physfps_spectator or cl_physfps
	float physfps = ((cl.spectator && !cls.demoplayback) ? cl_physfps_spectator.value : cl_physfps.value);

	// this makes things smooth in mvd demo play back, since mvd interpolation applied each frame
	if (cls.demoplayback)
		return 0;

	// the user can lower it for testing (or really shit connection)
	if (physfps)
		fpscap = min(fpscap, physfps);

	// not less than this no matter what
	fpscap = max(fpscap, 10);

	return 1 / fpscap;
}

void CL_CalcFPS(void)
{
	double t;
	static double last_frame_time;
	static double time_of_last_minfps_update;

	t = Sys_DoubleTime();

	if ((t - last_frame_time) >= 1.0)
	{
		lastfps = (double)fps_count / (t - last_frame_time);
		fps_count = 0;
		last_frame_time = t;
	}

	cls.fps = lastfps;
	// update min_fps if last fps is less than our lowest accepted minfps (10.0) or greater than min_reset_interval
	if ((lastfps > 10.0 && lastfps < cls.min_fps) || ((t - time_of_last_minfps_update) > hud_fps_min_reset_interval.value)) { 
		cls.min_fps = lastfps;
		time_of_last_minfps_update = t;
	}
}

void Cl_Reset_Min_fps_f(void)
{
	cls.min_fps = 9999;
	CL_CalcFPS();
}

#define NUMTIMINGS 5
double timings[NUMTIMINGS];
double render_frame_start, render_frame_end;
int timings_idx;

// Returns true if it's not time yet to run a frame
qbool VSyncLagFix (void)
{
#if defined(GLQUAKE) && defined(_WIN32)
	extern qbool vid_vsync_on;
	extern double vid_last_swap_time;
	double avg_rendertime, tmin, tmax;
	int i;

	// collect statistics so that
	timings[timings_idx] = render_frame_end - render_frame_start;
	timings_idx = (timings_idx + 1) % NUMTIMINGS;
	avg_rendertime = tmin = tmax = 0;
	for (i = 0; i < NUMTIMINGS; i++) {
		if (timings[i] == 0)
			return false;	// not enough statistics yet
		avg_rendertime += timings[i];
		if (timings[i] < tmin || !tmin)
			tmax = timings[i];
		if (timings[i] > tmax)
			tmax = timings[i];
	}
	avg_rendertime /= NUMTIMINGS;
	// if (tmax and tmin differ too much) do_something(); ?
	avg_rendertime = tmax;	// better be on the safe side

	if (cl_vsync_lag_fix.value && vid_vsync_on && glConfig.displayFrequency) {
		double time_left = vid_last_swap_time + 1.0/glConfig.displayFrequency - Sys_DoubleTime();
		time_left -= avg_rendertime;
		time_left -= cl_vsync_lag_tweak.value * 0.001;
		if (time_left > 0) {
			extern cvar_t sys_yieldcpu;
			if (time_left > 0.001 && sys_yieldcpu.integer)
				Sys_MSleep(Cvar_Value("zerosleep") ? 0 : min(time_left * 1000, 500));
			return true;	// don't run a frame yet
		}
	}
	return false;
#else
	return false;
#endif
}

void CL_QTVPoll (void);
void Plug_Tick(void);

qbool physframe;
double physframetime;

#pragma warning( push )                    // Save the current warning state.
#pragma warning( disable : 4723 )          // C4723: potential divide by 0

void CL_Frame (double time) 
{
	static double extratime = 0.001;
	double minframetime;
	static double	extraphysframetime;	//#fps

	extern cvar_t r_lerpframes;
	#ifdef GLQUAKE
	extern cvar_t gl_clear;
	extern cvar_t gl_polyblend;
	#else
	extern cvar_t r_waterwarp;
	extern cvar_t v_contentblend, v_quadcshift, v_ringcshift, v_pentcshift,
		v_damagecshift, v_suitcshift, v_bonusflash;
	#endif // GLQUAKE

	extratime += time;
	minframetime = CL_MinFrameTime();

	if (extratime < minframetime) 
	{
		extern cvar_t sys_yieldcpu;
		if (sys_yieldcpu.integer
		#if defined (_WIN32) || defined (__linux__) || defined (__FreeBSD__)
			|| Minimized
		#endif
			)
		{
			#ifdef _WIN32
			Sys_MSleep(0);
			#else
			usleep( (minframetime - extratime) * 1000 * 1000 );
			#endif
		}

		if (cl_delay_packet.integer)
		{
			CL_QueInputPacket();
			CL_UnqueOutputPacket(false);
		}

		return;
	}

	if (cl_delay_packet.integer)
	{
		CL_QueInputPacket();
		CL_UnqueOutputPacket(false);
	}

	if (VSyncLagFix())
		return;

	render_frame_start = Sys_DoubleTime();

	cls.trueframetime = extratime - 0.001;
	cls.trueframetime = max(cls.trueframetime, minframetime);
	extratime -= cls.trueframetime;

	if (Movie_IsCapturing())
		cls.frametime = Movie_StartFrame();
	else
		cls.frametime = min(0.2, cls.trueframetime);

	if (cl_independentPhysics.value != 0)
	{
		double minphysframetime = MinPhysFrameTime();

		extraphysframetime += cls.frametime;
		if (extraphysframetime < minphysframetime)
			physframe = false;
		else
		{
			physframe = true;

			if (extraphysframetime > minphysframetime*2)// FIXME: this is for the case when
				physframetime = extraphysframetime;		// actual fps is too low
			else										// Dunno how to do it right
				physframetime = minphysframetime;
			extraphysframetime -= physframetime;
		}
	} 
	else 
	{
		// this vars SHOULD NOT be used in case of cl_independentPhysics == 0, so we just reset it for sanity
		physframetime = extraphysframetime = 0;
		// this var actually used
		physframe = true;
	}

	if (cls.demoplayback) 
	{
		if (cl.paused & PAUSED_DEMO)
			cls.frametime = 0;
		else if (!cls.timedemo)
			cls.frametime *= Demo_GetSpeed();

		if (!host_skipframe)
			cls.demotime += cls.frametime;
		host_skipframe = false;
	}

	Plug_Tick();

	cls.realtime += cls.frametime;

	if (!ISPAUSED) 
	{
		cl.time += cls.frametime;
		cl.servertime += cls.frametime;
		cl.stats[STAT_TIME] = (int) (cl.servertime * 1000);
		if (cls.demoplayback)
			cl.gametime += cls.frametime;
		else
			cl.gametime = Sys_DoubleTime() - cl.gamestarttime - cl.gamepausetime;
	}
	else
	{
		// We hope here, that pause doesn't take long so we don't get too much de-synced
		// if pause takes too much, we can get into usual clock sync-problems as we did before
		cl.gamepausetime += cls.frametime;
	}

	r_refdef2.time = cl.time;

	// get new key events
	if (cl_independentPhysics.value == 0)
	{
		Sys_SendKeyEvents();

		// allow mice or other external controllers to add commands
		IN_Commands();

		// process console commands
		Cbuf_Execute();
		CL_CheckAutoPause();

//		if (com_serveractive)
			SV_Frame(cls.frametime);

		// fetch results from server
		CL_ReadPackets();

		TP_UpdateSkins();

		if (cls.mvdplayback && !cls.demoseeking)
		{
			MVD_Interpolate();
			MVD_Mainhook();
			
			if (!cl.standby && physframe)
			{
				StatsGrid_Gather();
			}
		}

		// process stuffed commands
		Cbuf_ExecuteEx(&cbuf_svc);

		CL_SendToServer();

		// We need to move the mouse also when disconnected
		// to get the cursor working properly.
		if(cls.state == ca_disconnected)
		{
			usercmd_t dummy;
			IN_Move(&dummy);
		}
	}
	else 
	{
		if (physframe)
		{
			Sys_SendKeyEvents();

			// allow mice or other external controllers to add commands
			IN_Commands();

			// process console commands
			Cbuf_Execute();
			CL_CheckAutoPause ();

//			if (com_serveractive)
				SV_Frame (physframetime);

			// Fetch results from server
			CL_ReadPackets();

			TP_UpdateSkins();

			// Gather MVD stats and interpolate.
			if (cls.mvdplayback && !cls.demoseeking)
			{
				MVD_Interpolate();
				MVD_Mainhook();
			
				if (!cl.standby && physframe)
				{
					StatsGrid_Gather();
				}
			}

			// process stuffed commands
			Cbuf_ExecuteEx(&cbuf_svc);

			CL_SendToServer();

			if (cls.state == ca_disconnected) // We need to move the mouse also when disconnected
			{
				usercmd_t dummy;
				IN_Move(&dummy);
			}
		}
		else
		{
			if (!cls.demoplayback && cl_earlypackets.integer)
			{
				CL_ReadPackets(); // read packets ASAP
			}

			if (   (!cls.demoplayback && !cl.spectator) // not demo playback and not a spec
				|| (!cls.demoplayback && cl.spectator && Cam_TrackNum() == -1) // not demo, spec free fly
				|| ( cls.demoplayback && cls.mvdplayback && Cam_TrackNum() == -1) // mvd demo and free fly
				|| cls.state == ca_disconnected // We need to move the mouse also when disconnected
				) 
			{
				usercmd_t dummy;
				Sys_SendKeyEvents();
				IN_Move(&dummy);
			}
		}
	}

	{ // chat icons
		char char_flags[64] = {0};
		int cif_flags = 0;

		if (key_dest != key_game) // add chat flag if in console, menus, mm1, mm2 etc...
			cif_flags |= CIF_CHAT;

		#if defined (_WIN32) || defined (__linux__) || defined (__FreeBSD__)
		// add AFK flag if app minimized, or not the focus
		// TODO: may be add afk flag on idle? if no user input in 45 seconds for example?
		if (!ActiveApp || Minimized)
			cif_flags |= CIF_AFK;
		#endif // WIN32 or linux or FreeBSD

		if (cif_flags && cls.state >= ca_connected) // put key in userinfo only then we are connected, remove key if we not connected yet
			snprintf(char_flags, sizeof(char_flags), "%d", cif_flags);

		CL_UserinfoChanged ("chat", char_flags);
	}

	if (cls.state >= ca_onserver)
	{
		qbool setup_player_prediction = ((physframe && cl_independentPhysics.value != 0) || cl_independentPhysics.value == 0);
		if (!cls.demoplayback && cl_earlypackets.integer)
		{
			// actually it should be curtime == cls.netchan.last_received but that did not work on float values...
			if (curtime - cls.netchan.last_received < 0.00001)
			{
				if (!setup_player_prediction)
				{
//					Com_DPrintf("force players prediction\n");
					setup_player_prediction = true;
				}
			}
		}
		Cam_SetViewPlayer();

		// Set up prediction for other players
		if (setup_player_prediction)
		{
			CL_SetUpPlayerPrediction(false);
		}

		// Do client side motion prediction
		CL_PredictMove();

		// Set up prediction for other players
		if (setup_player_prediction)
		{
			CL_SetUpPlayerPrediction(true);
		}

		// build a refresh entity list
		CL_EmitEntities();
	}

	//
	// Multiview is enabled so save some values for effects that
	// needs to be turned off.
	//
	if (!bExitmultiview)
	{
		nContrastExit		= v_contrast.value;
		nViewsizeExit		= scr_viewsize.value;
		nfakeshaft			= cl_fakeshaft.value;

		#ifdef GLQUAKE
		nPolyblendExit		= gl_polyblend.value;
		nGlClearExit		= gl_clear.value;
		#else
		nWaterwarp			= r_waterwarp.value;
		nContentblend		= v_contentblend.value;
		nQuadshift			= v_quadcshift.value;
		nRingshift			= v_ringcshift.value;
		nPentshift			= v_pentcshift.value;
		nDamageshift		= v_damagecshift.value;
		nSuitshift			= v_suitcshift.value;
		nBonusflash			= v_bonusflash.value;
		#endif

		nLerpframesExit		= r_lerpframes.value;
		CURRVIEW = 0;
	}

	if (bExitmultiview && !cl_multiview.value)
	{
		scr_viewsize.value =  nViewsizeExit;
		v_contrast.value = nContrastExit;
		cl_fakeshaft.value = nfakeshaft;

		#ifdef GLQUAKE
		gl_polyblend.value = nPolyblendExit;
		gl_clear.value = nGlClearExit;
		#else
		r_waterwarp.value = nWaterwarp;
		v_contentblend.value = nContentblend;
		v_quadcshift.value = nQuadshift;
		v_ringcshift.value = nRingshift;
		v_pentcshift.value = nPentshift;
		v_damagecshift.value = nDamageshift;
		v_suitcshift.value = nSuitshift;
		v_bonusflash.value = nBonusflash;
		#endif

		r_lerpframes.value = nLerpframesExit;
		bExitmultiview = false;
	}

	if (cl_multiview.value > 0 && cls.mvdplayback)
	{
		CL_Multiview();
	}

	// update video
	SCR_UpdateScreen();

	CL_DecayLights();

	// update audio
	if ((CURRVIEW == 2 && cl_multiview.value && cls.mvdplayback) || (!cls.mvdplayback || cl_multiview.value < 2))
	{
#ifndef WIN32
		float tmpvolume = 0;
		if ((!sys_inactivesound.value && (!ActiveApp || Minimized)) || (sys_inactivesound.integer == 2 && Minimized)) {
			tmpvolume = Cvar_Value("volume");
			Cvar_SetValueByName("volume", 0);
		}
#endif

		if (cls.state == ca_active)
		{
			if (!ISPAUSED) {
				S_Update (r_origin, vpn, vright, vup);
			} else {
				// do not play loop sounds (lifts etc.) when paused
#ifndef INFINITY
				float temp = 1.0;
				float infinity = temp / (temp - 1.0);
				vec3_t hax = { infinity, infinity, infinity };
#else
				vec3_t hax = { INFINITY, INFINITY, INFINITY };
#endif
				S_Update(hax, vec3_origin, vec3_origin, vec3_origin);
			}
			CL_DecayLights ();
		}
		else
		{
			S_Update (vec3_origin, vec3_origin, vec3_origin, vec3_origin);
		}

		CDAudio_Update();

#ifndef WIN32
		if ((!sys_inactivesound.value && (!ActiveApp || Minimized)) || (sys_inactivesound.integer == 2 && Minimized))
			Cvar_SetValueByName("volume", tmpvolume);
#endif
	}

	MT_Frame();

	if (Movie_IsCapturing())
	{
		Movie_FinishFrame();
	}

	cls.framecount++;

	fps_count++;

	CL_CalcFPS();

	VFS_TICK(); // VFS hook for updating some systems

	Sys_ReadIPC();

	CL_QTVPoll();
#ifdef WITH_IRC
	IRC_Update();
#endif

#if defined (_WIN32) || defined (__linux__)
	updateMumble();
#endif

	CL_UpdateCaption(false);
}

#pragma warning( pop )

//============================================================================

void CL_Shutdown (void) 
{
	CL_Disconnect();
	SList_Shutdown();
	CDAudio_Shutdown();
	S_Shutdown();
	MP3_Shutdown();
	IN_Shutdown ();
	Modules_Shutdown();
	Log_Shutdown();
	if (host_basepal)
		VID_Shutdown();
	History_Shutdown();
	Sys_CloseIPC();
	SB_Shutdown();
}

int CL_IncrLoop(int cview, int max)
{
	return (cview >= max) ? 1 : ++cview;
}

int CL_NextPlayer(int plr)
{
	do
	{
		plr++;
	} while ((plr < MAX_CLIENTS) && (cl.players[plr].spectator || !cl.players[plr].name[0]));

	if (plr >= MAX_CLIENTS)
	{
		plr = -1;

		do
		{
			plr++;
		} while ((plr < MAX_CLIENTS) && (cl.players[plr].spectator || !cl.players[plr].name[0]));
	}

	if (plr >= MAX_CLIENTS)
	{
		plr = 0;
	}

	return plr;
}

int CL_PrevPlayer(int plr)
{
	do
	{
		plr--;
	} while ((plr >= 0) && (cl.players[plr].spectator || !cl.players[plr].name[0]));

	if (plr < 0)
	{
		plr = MAX_CLIENTS;

		do
		{
			plr--;
		} while ((plr >= 0) && (cl.players[plr].spectator || !cl.players[plr].name[0]));
	}

	if (plr < 0)
	{
		plr = 0;
	}

	return plr;
}

// Multiview vars
// ===================================================================================
int		CURRVIEW;					// The current view being drawn in multiview mode.
int		nNumViews;					// The number of views in multiview mode.
qbool	bExitmultiview;				// Used when saving effect values on each frame.

qbool	mv_skinsforced;				// When using teamcolor/enemycolor in multiview we can't just assume
									// that the "teammates" should all be colored in the same color as the
									// person we're tracking (or opposite for enemies), because we're tracking
									// more than one person. Therefore the teamcolor/enemycolor is set only once,
									// or when the player chooses to track an entire team.
int		nPlayernum;

int		mv_trackslots[4];			// The different track slots for each view.
char	currteam[MAX_INFO_STRING];  // The name of the current team being tracked in multiview mode.
int		mvlatch;
int		nSwapPov;					// Change in POV positive for next, negative for previous.
int		nTrack1duel;				// When cl_multiview = 2 and mvinset is on this is the tracking slot for the main view.
int		nTrack2duel;				// When cl_multiview = 2 and mvinset is on this is the tracking slot for the mvinset view.

//
// Original values saved between frames for effects that are
// turned off during multiview mode.
//
float	nContrastExit;				// v_contrast
float	nCrosshairExit;
float	nfakeshaft;					// cl_fakeshaft
int		nPolyblendExit;				// gl_polyblend
float	nGlClearExit;				// gl_clear
int		nLerpframesExit;
int		nWaterwarp;					// r_waterwarp
int		nContentblend;				// v_contentblend
float	nQuadshift;					// v_quadcshift
float	nPentshift;					// v_pentcshift
float	nRingshift;					// v_ringcshift
float	nDamageshift;				// v_damagecshift
float	nSuitshift;					// v_suitcshift
int		nBonusflash;				// v_bonusflash

void CL_Multiview(void)
{
	static int playernum = 0;

	#ifdef GLQUAKE
	extern cvar_t gl_polyblend;
	extern cvar_t gl_clear;
	#else
	extern cvar_t r_waterwarp;
	extern cvar_t v_contentblend, v_quadcshift, v_ringcshift, v_pentcshift,
		v_damagecshift, v_suitcshift, v_bonusflash;
	#endif
	extern cvar_t r_lerpframes;

	if (!cls.mvdplayback)
	{
		return;
	}

	nNumViews = cl_multiview.value;

	// Only refresh skins once (to start with), I think this is the best solution for multiview
	// eg when viewing 4 players in a 2v2.
	// Also refresh them when the player changes what team to track.
	if ((!CURRVIEW && cls.state >= ca_connected) || nSwapPov)
	{
		TP_RefreshSkins();
	}

	// contrast was disabled for OpenGL build with the note "blanks all but 1 view"
	// this was due to gl_ztrick in R_Clear(void) that would clear these. FIXED
	// v_contrast.value = 1;

	// stop fakeshaft as it lerps with the other views
	if (cl_fakeshaft.value < 1 && cl_fakeshaft.value > 0)
	{
		cl_fakeshaft.value = 0;
	}

	// allow mvinset 1 to use viewsize value
	if ((!cl_mvinset.value && cl_multiview.value == 2) || cl_multiview.value != 2)
	{
		scr_viewsize.value = 120;
	}
	else
	{
		scr_viewsize.value = nViewsizeExit;
	}

	// stop small screens
	if (cl_mvinset.value && cl_multiview.value == 2 && scr_viewsize.value < 100)
	{
		scr_viewsize.value = 100;
	}

	#ifdef GLQUAKE
	gl_polyblend.value = 0;
	gl_clear.value = 0;
	#else
	// disable these because they don't restrict the change to just the new viewport
	r_waterwarp.value = 0;
	v_contentblend.value = 0;
	v_quadcshift.value = 0;
	v_ringcshift.value = 0;
	v_pentcshift.value = 0;
	v_damagecshift.value = 0;
	v_suitcshift.value = 0;
	v_bonusflash.value = 0;
	#endif

	// stop weapon model lerping as it lerps with the other view
	r_lerpframes.value = 0;

	nPlayernum = playernum;

	// Copy the stats for the player we're about to draw in the next
	// view to the client state, so that the correct stats are drawn
	// in the multiview mini-HUD.
	memcpy(cl.stats, cl.players[playernum].stats, sizeof(cl.stats));

	//
	// Increase the current view being rendered.
	//
	CURRVIEW = CL_IncrLoop(CURRVIEW, cl_multiview.integer);

	if (cl_mvinset.value && cl_multiview.value == 2)
	{
		//
		// Special case for mvinset and tracking 2 people
		// this is meant for spectating duels primarily.
		// Lets the user swap which player is shown in the
		// main view and the mvinset by pressing jump.
		//

		// If both the mvinset and main view is set to show
		// the same player, pick the first player for the main view
		// and the next after that for the mvinset.
		if (nTrack1duel == nTrack2duel)
		{
			nTrack1duel = CL_NextPlayer(-1);
			nTrack2duel = CL_NextPlayer(nTrack1duel);
		}

		// The user pressed jump so we need to swap the pov.
		if (nSwapPov)
		{
			if (nSwapPov > 0) {
				nTrack1duel = CL_NextPlayer(nTrack1duel);
				nTrack2duel = CL_NextPlayer(nTrack2duel);
			} else {
				nTrack1duel = CL_PrevPlayer(nTrack1duel);
				nTrack2duel = CL_PrevPlayer(nTrack2duel);
			}
			nSwapPov = false;
		}
		else
		{
			// Set the playernum based on if we're drawing the mvinset
			// or the main view
			// (nTrack1duel = main view)
			// (nTrack2duel = mvinset)
			playernum = (CURRVIEW == 1) ? nTrack1duel : nTrack2duel;
		}
	}
	else
	{
		//
		// Normal multiview.
		//

		// Start from the first player on each new frame.
		playernum = ((CURRVIEW == 1) ? 0 : playernum);

		//
		// The player pressed jump and wants to change what team is spectated.
		//
		if (nSwapPov && cl_multiview.value >= 2 && cl.teamplay)
		{
			int j;
			int team_slot_count = 0;
			int last_mv_trackslots[4];

			// Save the old track values and reset them.
			memcpy(last_mv_trackslots, mv_trackslots, sizeof(last_mv_trackslots));
			memset(mv_trackslots, -1, sizeof(mv_trackslots));

			// Find the new team.
			for(j = 0; j < MAX_CLIENTS; j++)
			{
				if(!cl.players[j].spectator && cl.players[j].name[0])
				{
					// Find the opposite team from the one we are tracking now.
					if(!currteam[0] || strcmp(currteam, cl.players[j].team))
					{
						strlcpy(currteam, cl.players[j].team, sizeof(currteam));
						break;
					}
				}
			}

			// Find the team members.
			for(j = 0; j < MAX_CLIENTS; j++)
			{
				if(!cl.players[j].spectator
					&& cl.players[j].name[0]
					&& !strcmp(currteam, cl.players[j].team))
				{
					// Find the player slot to track.
					mv_trackslots[team_slot_count] = Player_StringtoSlot(cl.players[j].name);
					team_slot_count++;
				}

				Com_DPrintf("New trackslots: %i %i %i %i\n", mv_trackslots[0], mv_trackslots[1], mv_trackslots[2], mv_trackslots[3]);

				// Don't go out of bounds in the mv_trackslots array.
				if(team_slot_count == 4)
				{
					break;
				}
			}

			if(cl_multiview.value == 2 && team_slot_count == 2)
			{
				// Switch between 2on2 teams.
			}
			else if(cl_multiview.value < team_slot_count || team_slot_count >= 3)
			{
				// We don't want to show all from one team and then one of the enemies...
				cl_multiview.value = team_slot_count;
			}
			else if(team_slot_count == 2)
			{
				// 2on2... one team on top, on on the bottom
				// Swap the teams between the top and bottom in a 4 view setup.
				cl_multiview.value = 4;
				mv_trackslots[MV_VIEW3] = last_mv_trackslots[MV_VIEW1];
				mv_trackslots[MV_VIEW4] = last_mv_trackslots[MV_VIEW2];
				
				Com_DPrintf("Team on top/bottom trackslots: %i %i %i %i\n", 
					mv_trackslots[0], mv_trackslots[1], mv_trackslots[2], mv_trackslots[3]);
			}
		}
		else
		{
			// Check if the track* values have been set by the user,
			// otherwise show the first 4 players.

			if(CURRVIEW >= 1 && CURRVIEW <= 4)
			{
				// If the value of mv_trackslots[i] is negative, it means that view
				// doesn't have any track value set so we need to find someone to track using CL_NextPlayer().
				playernum = ((mv_trackslots[CURRVIEW - 1] < 0) ? CL_NextPlayer(playernum) : mv_trackslots[CURRVIEW - 1]);
			}
		}
	}

	// BUGFIX - Make sure the player we're tracking is still left, might have disconnected since
	// we picked him for tracking (This would result in being thrown into freefly mode and not being able
	// to go back into tracking mode when a player disconnected).
	if (!nSwapPov && (cl.players[playernum].spectator || !cl.players[playernum].name[0]))
	{
		mv_trackslots[CURRVIEW - 1] = -1;
	}

	if (nSwapPov)
	{
		Com_DPrintf("Final trackslots: %i %i %i %i\n", mv_trackslots[0], mv_trackslots[1], mv_trackslots[2], mv_trackslots[3]);
	}

	nSwapPov = false;

	// Set the current player we're tracking for the next view to be drawn.
	// BUGFIX: Only change the spec_track if the new track target is a player.
	if (!cl.players[playernum].spectator && cl.players[playernum].name[0])
	{
		spec_track = playernum;
	}

	// Make sure we reset variables we suppressed during multiview drawing.
	bExitmultiview = true;
}

void CL_UpdateCaption(qbool force)
{
	static char caption[512] = {0};
	char str[512] = {0};

	if (!cl_window_caption.value)
	{
		if (!cls.demoplayback && (cls.state == ca_active))
			snprintf(str, sizeof(str), "ezQuake: %s", cls.servername);
		else
			snprintf(str, sizeof(str), "ezQuake");
	}
	else
	{
		snprintf(str, sizeof(str), "%s - %s", CL_Macro_Serverstatus(), MT_ShortStatus());
	}

	if (force || strcmp(str, caption))
	{
		VID_SetCaption(str);
		strlcpy(caption, str, sizeof(caption));
	}
}