fteqw/engine/client/cl_main.c

/*
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"
#include <sys/types.h>
#include "netinc.h"
#include "cl_master.h"
#include "cl_ignore.h"
#include "shader.h"
#include <ctype.h>
// callbacks
void CL_Sbar_Callback(struct cvar_s *var, char *oldvalue);
void Name_Callback(struct cvar_s *var, char *oldvalue);

// 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

void Host_FinishLoading(void);


cvar_t	rcon_password = SCVARF("rcon_password", "", CVAR_NOUNSAFEEXPAND);

cvar_t	rcon_address = SCVARF("rcon_address", "", CVAR_NOUNSAFEEXPAND);

cvar_t	cl_timeout = SCVAR("cl_timeout", "60");

cvar_t	cl_shownet = CVARD("cl_shownet","0", "Debugging var. 0 shows nothing. 1 shows incoming packet sizes. 2 shows individual messages. 3 shows entities too.");	// can be 0, 1, or 2

cvar_t	cl_pure		= CVARD("cl_pure", "0", "0=standard quake rules.\n1=clients should prefer files within packages present on the server.\n2=clients should use *only* files within packages present on the server.\nDue to quake 1.01/1.06 differences, a setting of 2 is only reliable with total conversions.\nIf sv_pure is set, the client will prefer the highest value set.");
cvar_t	cl_sbar		= CVARFC("cl_sbar", "0", CVAR_ARCHIVE, CL_Sbar_Callback);
cvar_t	cl_hudswap	= CVARF("cl_hudswap", "0", CVAR_ARCHIVE);
cvar_t	cl_maxfps	= CVARF("cl_maxfps", "500", CVAR_ARCHIVE);
cvar_t	cl_idlefps	= CVARFD("cl_idlefps", "0", CVAR_ARCHIVE, "This is the maximum framerate to attain while idle/paused.");
cvar_t	cl_yieldcpu = CVARFD("cl_yieldcpu", "0", CVAR_ARCHIVE, "Attempt to yield between frames. This can resolve issues with certain drivers and background software, but can mean less consistant frame times. Will reduce power consumption/heat generation so should be set on laptops or similar (over-hot/battery powered) devices.");
cvar_t	cl_nopext	= CVARF("cl_nopext", "0", CVAR_ARCHIVE);
cvar_t	cl_pext_mask = CVAR("cl_pext_mask", "0xffffffff");
cvar_t	cl_nolerp	= CVARD("cl_nolerp", "0", "Disables interpolation. If set, missiles/monsters will be smoother, but they may be more laggy. Does not affect players. A value of 2 means 'interpolate only in single-player/coop'.");
cvar_t	cl_nolerp_netquake = CVARD("cl_nolerp_netquake", "0", "Disables interpolation when connected to an NQ server. Does affect players, even the local player. You probably don't want to set this.");
cvar_t	hud_tracking_show = CVAR("hud_tracking_show", "1");
extern cvar_t net_compress;

cvar_t	cl_defaultport		= CVARAFD("cl_defaultport", STRINGIFY(PORT_QWSERVER), "port", 0, "The default port to connect to servers.\nQW: "STRINGIFY(PORT_QWSERVER)", NQ: "STRINGIFY(PORT_NQSERVER)", Q2: "STRINGIFY(PORT_Q2SERVER)".");

cvar_t	cfg_save_name = CVARF("cfg_save_name", "fte", CVAR_ARCHIVE|CVAR_NOTFROMSERVER);

cvar_t	cl_splitscreen = CVARD("cl_splitscreen", "0", "Enables splitscreen support. See also: allow_splitscreen, in_rawinput*, the \"p\" command.");

cvar_t	lookspring = CVARF("lookspring","0", CVAR_ARCHIVE);
cvar_t	lookstrafe = CVARF("lookstrafe","0", CVAR_ARCHIVE);
cvar_t	sensitivity = CVARF("sensitivity","10", CVAR_ARCHIVE);

cvar_t cl_staticsounds = CVAR("cl_staticsounds", "1");

cvar_t	m_pitch = CVARF("m_pitch","0.022", CVAR_ARCHIVE);
cvar_t	m_yaw = CVARF("m_yaw","0.022", CVAR_ARCHIVE);
cvar_t	m_forward = CVARF("m_forward","1", CVAR_ARCHIVE);
cvar_t	m_side = CVARF("m_side","0.8", CVAR_ARCHIVE);

cvar_t	cl_lerp_players = CVARD("cl_lerp_players", "0", "Set this to make other players smoother, though it may increase effective latency. Affects only QuakeWorld.");
cvar_t	cl_predict_players = CVARD("cl_predict_players", "1", "Clear this cvar to see ents exactly how they are on the server.");
cvar_t	cl_predict_players_frac = CVARD("cl_predict_players_frac", "0.9", "How much of other players to predict. Values less than 1 will help minimize overruns.");
cvar_t	cl_solid_players = CVARD("cl_solid_players", "1", "Consider other players as solid for player prediction.");
cvar_t	cl_noblink = CVARD("cl_noblink", "0", "Disable the ^^b text blinking feature.");
cvar_t	cl_servername = CVARD("cl_servername", "none", "The hostname of the last server you connected to");
cvar_t	cl_serveraddress = CVARD("cl_serveraddress", "none", "The address of the last server you connected to");
cvar_t	qtvcl_forceversion1 = CVAR("qtvcl_forceversion1", "0");
cvar_t	qtvcl_eztvextensions = CVAR("qtvcl_eztvextensions", "0");

cvar_t cl_demospeed = CVARAF("cl_demospeed", "1", "demo_setspeed", 0);

cvar_t cl_loopbackprotocol = CVARD("cl_loopbackprotocol", "qw", "Which protocol to use for single-player/the internal client. Should be one of: qw, qwid, nqid, nq, fitz, dp6, dp7. If empty, will use qw protocols for qw mods, and nq protocols for nq mods.");


cvar_t	cl_threadedphysics = CVAR("cl_threadedphysics", "0");

#ifdef QUAKESPYAPI
cvar_t  localid = SCVAR("localid", "");
static qboolean allowremotecmd = true;
#endif

cvar_t	r_drawflame = CVARD("r_drawflame", "1", "Set to -1 to disable ALL static entities. Set to 0 to disable only wall torches and standing flame. Set to 1 for everything drawn as normal.");

qboolean forcesaveprompt;

extern int			total_loading_size, current_loading_size, loading_stage;

//
// info mirrors
//
cvar_t	password	= CVARAF("password",	"",	"pq_password", CVAR_USERINFO | CVAR_NOUNSAFEEXPAND); //this is parhaps slightly dodgy... added pq_password alias because baker seems to be using this for user accounts.
cvar_t	spectator	= CVARF("spectator",	"",			CVAR_USERINFO);
cvar_t	name		= CVARFC("name",		"unnamed",	CVAR_ARCHIVE | CVAR_USERINFO, Name_Callback);
cvar_t	team		= CVARF("team",			"",			CVAR_ARCHIVE | CVAR_USERINFO);
cvar_t	skin		= CVARF("skin",			"",			CVAR_ARCHIVE | CVAR_USERINFO);
cvar_t	model		= CVARF("model",		"",			CVAR_ARCHIVE | CVAR_USERINFO);
cvar_t	topcolor	= CVARF("topcolor",		"",			CVAR_ARCHIVE | CVAR_USERINFO);
cvar_t	bottomcolor	= CVARF("bottomcolor",	"",			CVAR_ARCHIVE | CVAR_USERINFO);
cvar_t	rate		= CVARFD("rate",		"30000"/*"6480"*/,		CVAR_ARCHIVE | CVAR_USERINFO, "A rough measure of the bandwidth to try to use while playing. Too high a value may result in 'buffer bloat'.");
cvar_t	drate		= CVARFD("drate",		"100000",	CVAR_ARCHIVE | CVAR_USERINFO, "A rough measure of the bandwidth to try to use while downloading.");		// :)
cvar_t	noaim		= CVARF("noaim",		"",			CVAR_ARCHIVE | CVAR_USERINFO);
cvar_t	msg			= CVARFD("msg",			"1",		CVAR_ARCHIVE | CVAR_USERINFO, "Filter console prints/messages. Only functions on QuakeWorld servers. 0=pickup messages. 1=death messages. 2=critical messages. 3=chat.");
cvar_t	b_switch	= CVARF("b_switch",		"",			CVAR_ARCHIVE | CVAR_USERINFO);
cvar_t	w_switch	= CVARF("w_switch",		"",			CVAR_ARCHIVE | CVAR_USERINFO);
cvar_t	cl_nofake	= CVARD("cl_nofake",		"2", "value 0: permits \\r chars in chat messages\nvalue 1: blocks all \\r chars\nvalue 2: allows \\r chars, but only from teammates");
cvar_t	cl_chatsound	= CVAR("cl_chatsound","1");
cvar_t	cl_enemychatsound	= CVAR("cl_enemychatsound", "misc/talk.wav");
cvar_t	cl_teamchatsound	= CVAR("cl_teamchatsound", "misc/talk.wav");

cvar_t	r_torch					= CVARF("r_torch",	"0",	CVAR_CHEAT);
cvar_t	r_rocketlight			= CVARFC("r_rocketlight",	"1", CVAR_ARCHIVE, Cvar_Limiter_ZeroToOne_Callback);
cvar_t	r_lightflicker			= CVAR("r_lightflicker",	"1");
cvar_t	cl_r2g					= CVARF("cl_r2g",	"0", CVAR_ARCHIVE);
cvar_t	r_powerupglow			= CVAR("r_powerupglow", "1");
cvar_t	v_powerupshell			= CVARF("v_powerupshell", "0", CVAR_ARCHIVE);
cvar_t	cl_gibfilter			= CVARF("cl_gibfilter", "0", CVAR_ARCHIVE);
cvar_t	cl_deadbodyfilter		= CVAR("cl_deadbodyfilter", "0");

cvar_t  cl_gunx					= CVAR("cl_gunx", "0");
cvar_t  cl_guny					= CVAR("cl_guny", "0");
cvar_t  cl_gunz					= CVAR("cl_gunz", "0");

cvar_t  cl_gunanglex			= CVAR("cl_gunanglex", "0");
cvar_t  cl_gunangley			= CVAR("cl_gunangley", "0");
cvar_t  cl_gunanglez			= CVAR("cl_gunanglez", "0");

cvar_t	cl_sendguid				= CVARD("cl_sendguid", "0", "Send a randomly generated 'globally unique' id to servers, which can be used by servers for score rankings and stuff. Different servers will see different guids. Delete the 'qkey' file in order to appear as a different user.");
cvar_t	cl_download_csprogs		= CVARFD("cl_download_csprogs", "1", CVAR_NOTFROMSERVER, "Download updated client gamecode if available. Warning: If you clear this to avoid downloading vm code, you should also clear cl_download_packages.");
cvar_t	cl_download_redirection	= CVARFD("cl_download_redirection", "2", CVAR_NOTFROMSERVER, "Follow download redirection to download packages instead of individual files. 2 allows redirection only to named packages files. Also allows the server to send nearly arbitary download commands.");
cvar_t  cl_download_mapsrc		= CVARD("cl_download_mapsrc", "", "Specifies an http location prefix for map downloads. EG: \"http://bigfoot.morphos-team.net/misc/quakemaps/\"");
cvar_t	cl_download_packages	= CVARFD("cl_download_packages", "1", CVAR_NOTFROMSERVER, "0=Do not download packages simply because the server is using them. 1=Download and load packages as needed (does not affect games which do not use this package). 2=Do download and install permanently (use with caution!)");
cvar_t	requiredownloads		= CVARFD("requiredownloads","1", CVAR_ARCHIVE, "0=join the game before downloads have even finished (might be laggy). 1=wait for all downloads to complete before joining.");

cvar_t	cl_muzzleflash			= CVAR("cl_muzzleflash", "1");

cvar_t	cl_item_bobbing			= CVARF("cl_model_bobbing", "0", CVAR_ARCHIVE);
cvar_t	cl_countpendingpl		= CVARD("cl_countpendingpl", "0", "If set to 1, packet loss percentages will show packets still in transit as lost, even if they might still be received.");

cvar_t	cl_standardchat			= CVARFD("cl_standardchat", "0", CVAR_ARCHIVE, "Disables auto colour coding in chat messages.");
cvar_t	msg_filter				= CVARD("msg_filter", "0", "Filter out chat messages: 0=neither. 1=broadcast chat. 2=team chat. 3=all chat.");
cvar_t  cl_standardmsg			= CVARFD("cl_standardmsg", "0", CVAR_ARCHIVE, "Disables auto colour coding in console prints.");
cvar_t  cl_parsewhitetext		= CVARD("cl_parsewhitetext", "1", "When parsing chat messages, enable support for messages like: red{white}red");

cvar_t	cl_dlemptyterminate		= CVAR("cl_dlemptyterminate", "1");

cvar_t	host_mapname			= CVARAF("mapname", "",
									  "host_mapname", 0);

cvar_t	ruleset_allow_playercount			= CVAR("ruleset_allow_playercount", "1");
cvar_t	ruleset_allow_frj					= CVAR("ruleset_allow_frj", "1");
cvar_t	ruleset_allow_semicheats			= CVAR("ruleset_allow_semicheats", "1");
cvar_t	ruleset_allow_packet				= CVAR("ruleset_allow_packet", "1");
cvar_t	ruleset_allow_particle_lightning	= CVAR("ruleset_allow_particle_lightning", "1");
cvar_t	ruleset_allow_overlongsounds		= CVAR("ruleset_allow_overlong_sounds", "1");
cvar_t	ruleset_allow_larger_models			= CVAR("ruleset_allow_larger_models", "1");
cvar_t	ruleset_allow_modified_eyes			= CVAR("ruleset_allow_modified_eyes", "0");
cvar_t	ruleset_allow_sensitive_texture_replacements = CVAR("ruleset_allow_sensitive_texture_replacements", "1");
cvar_t	ruleset_allow_localvolume			= CVAR("ruleset_allow_localvolume", "1");
cvar_t  ruleset_allow_shaders				= CVARF("ruleset_allow_shaders", "1", CVAR_SHADERSYSTEM);
cvar_t  ruleset_allow_fbmodels				= CVARF("ruleset_allow_fbmodels", "1", CVAR_SHADERSYSTEM);

extern cvar_t cl_hightrack;
extern cvar_t	vid_renderer;

char cl_screengroup[] = "Screen options";
char cl_controlgroup[] = "client operation options";
char cl_inputgroup[] = "client input controls";
char cl_predictiongroup[] = "Client side prediction";


client_static_t	cls;
client_state_t	cl;

// alot of this should probably be dynamically allocated
entity_state_t	*cl_baselines;
static_entity_t *cl_static_entities;
unsigned int    cl_max_static_entities;
lightstyle_t	cl_lightstyle[MAX_LIGHTSTYLES];
//lightstyle_t	cl_lightstyle[MAX_LIGHTSTYLES];
dlight_t		*cl_dlights;
unsigned int	cl_maxdlights; /*size of cl_dlights array*/

int cl_baselines_count;
int rtlights_first, rtlights_max;

// refresh list
// this is double buffered so the last frame
// can be scanned for oldorigins of trailing objects
int				cl_numvisedicts;
int				cl_maxvisedicts;
entity_t		*cl_visedicts;

scenetris_t		*cl_stris;
vecV_t			*cl_strisvertv;
vec4_t			*cl_strisvertc;
vec2_t			*cl_strisvertt;
index_t			*cl_strisidx;
unsigned int cl_numstrisidx;
unsigned int cl_maxstrisidx;
unsigned int cl_numstrisvert;
unsigned int cl_maxstrisvert;
unsigned int cl_numstris;
unsigned int cl_maxstris;

static struct
{
	qboolean		trying;
	qboolean		istransfer;		//ignore the user's desired server (don't change connect.adr).
	netadr_t		adr;			//address that we're trying to transfer to.
	int				mtu;
	unsigned int	compresscrc;
	int				protocol;		//tracked as part of guesswork based upon what replies we get.
	int				challenge;		//tracked as part of guesswork based upon what replies we get.
	double			time;			//for connection retransmits
	int				defaultport;
	int				tries;			//increased each try, every fourth trys nq connect packets.
	unsigned char	guid[64];
} connectinfo;

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;

qbyte		*host_basepal;
qbyte		*h2playertranslations;

cvar_t	host_speeds = SCVAR("host_speeds","0");		// set for running times
#ifdef CRAZYDEBUGGING
cvar_t	developer = SCVAR("developer","1");
#else
cvar_t	developer = SCVAR("developer","0");
#endif

int			fps_count;
qboolean	forcesaveprompt;

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 };

void CL_UpdateWindowTitle(void)
{
	if (VID_SetWindowCaption)
	{
		switch (cls.state)
		{
		default:
#ifndef CLIENTONLY
			if (sv.state)
				VID_SetWindowCaption(va("%s: %s", fs_gamename.string, sv.name));
			else
#endif
				VID_SetWindowCaption(va("%s: %s", fs_gamename.string, cls.servername));
			break;
		case ca_disconnected:
			VID_SetWindowCaption(va("%s: disconnected", fs_gamename.string));
			break;
		}
	}
}

void CL_MakeActive(char *gamename)
{
	extern int fs_finds;
	if (fs_finds)
	{
		Con_DPrintf("%i additional FS searches\n", fs_finds);
		fs_finds = 0;
	}
	cls.state = ca_active;
	S_Purge(true);
	CL_UpdateWindowTitle();

	SCR_EndLoadingPlaque();

	Mod_Purge(MP_MAPCHANGED);

	TP_ExecTrigger("f_spawn");
}
/*
==================
CL_Quit_f
==================
*/
void CL_Quit_f (void)
{
	if (forcesaveprompt)
	{
		forcesaveprompt =false;
		if (Cmd_Exists("menu_quit"))
		{
			Cmd_ExecuteString("menu_quit", RESTRICT_LOCAL);
			return;
		}
	}

	TP_ExecTrigger("f_quit");
	Cbuf_Execute();
/*
#ifndef CLIENTONLY
	if (!isDedicated)
#endif
	{
		M_Menu_Quit_f ();
		return;
	}*/
	Sys_Quit ();
}

void CL_ConnectToDarkPlaces(char *challenge, netadr_t *adr)
{
	char	data[2048];
	cls.fteprotocolextensions = 0;
	cls.fteprotocolextensions2 = 0;

	cls.resendinfo = false;

	connectinfo.time = realtime;	// for retransmit requests

	Q_snprintfz(data, sizeof(data), "%c%c%c%cconnect\\protocol\\darkplaces 3\\challenge\\%s", 255, 255, 255, 255, challenge);

	NET_SendPacket (NS_CLIENT, strlen(data), data, adr);

	cl.splitclients = 0;
}

#ifdef PROTOCOL_VERSION_FTE
void CL_SupportedFTEExtensions(int *pext1, int *pext2)
{
	unsigned int fteprotextsupported = 0;
	unsigned int fteprotextsupported2 = 0;

	fteprotextsupported = Net_PextMask(1, false);
	fteprotextsupported2 = Net_PextMask(2, false);

	fteprotextsupported &= strtoul(cl_pext_mask.string, NULL, 16);
//	fteprotextsupported2 &= strtoul(cl_pext2_mask.string, NULL, 16);

	if (cl_nopext.ival)
	{
		fteprotextsupported = 0;
		fteprotextsupported2 = 0;
	}

	*pext1 = fteprotextsupported;
	*pext2 = fteprotextsupported2;
}
#endif

char *CL_GUIDString(netadr_t *adr)
{
	static qbyte buf[2048];
	static int buflen;
	unsigned int digest[4];
	char serveraddr[256];
	void *blocks[2];
	int lens[2];

	if (!cl_sendguid.ival)
		return NULL;

	if (*connectinfo.guid && connectinfo.istransfer)
		return connectinfo.guid;

	if (!buflen)
	{
		vfsfile_t *f;
		f = FS_OpenVFS("qkey", "rb", FS_ROOT);
		if (f)
		{
			buflen = VFS_GETLEN(f);
			if (buflen > 2048)
				buflen = 2048;
			buflen = VFS_READ(f, buf, buflen);
			VFS_CLOSE(f);
		}
		if (buflen < 16)
		{
			buflen = sizeof(buf);
			if (!Sys_RandomBytes(buf, buflen))
			{
				int i;
				srand(time(NULL));
				for (i = 0; i < buflen; i++)
					buf[i] = rand() & 0xff;
			}
			f = FS_OpenVFS("qkey", "wb", FS_ROOT);
			if (f)
			{
				VFS_WRITE(f, buf, buflen);
				VFS_CLOSE(f);
			}
		}
	}

	NET_AdrToString(serveraddr, sizeof(serveraddr), adr);

	blocks[0] = buf;lens[0] = buflen;
	blocks[1] = serveraddr;lens[1] = strlen(serveraddr);
	Com_BlocksChecksum(2, blocks, lens, (void*)digest);

	Q_snprintfz(connectinfo.guid, sizeof(connectinfo.guid), "%08x%08x%08x%08x", digest[0], digest[1], digest[2], digest[3]);
	return connectinfo.guid;
}

/*
=======================
CL_SendConnectPacket

called by CL_Connect_f and CL_CheckResend
======================
*/
void CL_SendConnectPacket (netadr_t *to, int mtu, 
#ifdef PROTOCOL_VERSION_FTE
						   int ftepext, int ftepext2,
#endif
						   int compressioncrc
						  /*, ...*/)	//dmw new parms
{
	extern cvar_t qport;
	netadr_t	addr;
	char	data[2048];
	char *info;
	double t1, t2;
#ifdef PROTOCOL_VERSION_FTE
	int fteprotextsupported=0;
	int fteprotextsupported2=0;
#endif
	int clients;
	int c;

// 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 (!connectinfo.trying)
		return;

	if (cl_nopext.ival)	//imagine it's an unenhanced server
	{
		compressioncrc = 0;
	}

#ifdef PROTOCOL_VERSION_FTE
	CL_SupportedFTEExtensions(&fteprotextsupported, &fteprotextsupported2);

	fteprotextsupported &= ftepext;
	fteprotextsupported2 &= ftepext2;

#ifdef Q2CLIENT
	if (connectinfo.protocol != CP_QUAKEWORLD)
		fteprotextsupported = 0;
#endif

	cls.fteprotocolextensions = fteprotextsupported;
	cls.fteprotocolextensions2 = fteprotextsupported2;
#endif

	t1 = Sys_DoubleTime ();

	if (!to)
	{
		to = &addr;
		if (!NET_StringToAdr (cls.servername, PORT_QWSERVER, to))
		{
			Con_TPrintf ("Bad server address\n");
			connectinfo.trying = false;
			return;
		}
	}

	NET_AdrToString(data, sizeof(data), to);
	Cvar_ForceSet(&cl_serveraddress, data);

	if (!NET_IsClientLegal(to))
	{
		Con_TPrintf ("Illegal server address\n");
		connectinfo.trying = false;
		return;
	}

	t2 = Sys_DoubleTime ();

	cls.resendinfo = false;

	connectinfo.time = realtime+t2-t1;	// for retransmit requests

	cls.qport = qport.value;
	Cvar_SetValue(&qport, (cls.qport+1)&0xffff);

//	Info_SetValueForStarKey (cls.userinfo, "*ip", NET_AdrToString(adr), MAX_INFO_STRING);

	clients = 1;
	if (cl_splitscreen.value && (fteprotextsupported & PEXT_SPLITSCREEN))
	{
//		if (adr.type == NA_LOOPBACK)
			clients = cl_splitscreen.value+1;
//		else
//			Con_Printf("Split screens are still under development\n");
	}

	if (clients < 1)
		clients = 1;
	if (clients > MAX_SPLITS)
		clients = MAX_SPLITS;

#ifdef Q2CLIENT
	if (connectinfo.protocol == CP_QUAKE2)	//sorry - too lazy.
		clients = 1;
#endif

#ifdef Q3CLIENT
	if (connectinfo.protocol == CP_QUAKE3)
	{	//q3 requires some very strange things.
		CLQ3_SendConnectPacket(to);
		return;
	}
#endif

	Q_snprintfz(data, sizeof(data), "%c%c%c%cconnect", 255, 255, 255, 255);

	if (clients>1)	//splitscreen 'connect' command specifies the number of userinfos sent.
		Q_strncatz(data, va("%i", clients), sizeof(data));

#ifdef Q2CLIENT
	if (connectinfo.protocol == CP_QUAKE2)
		Q_strncatz(data, va(" %i", PROTOCOL_VERSION_Q2), sizeof(data));
	else
#endif
		Q_strncatz(data, va(" %i", PROTOCOL_VERSION_QW), sizeof(data));


	Q_strncatz(data, va(" %i %i", cls.qport, connectinfo.challenge), sizeof(data));

	//userinfo 0 + zquake extension info.
	if (connectinfo.protocol == CP_QUAKEWORLD)
		Q_strncatz(data, va(" \"%s\\*z_ext\\%i\"", cls.userinfo[0], SUPPORTED_Z_EXTENSIONS), sizeof(data));
	else
		Q_strncatz(data, va(" \"%s\"", cls.userinfo[0]), sizeof(data));
	for (c = 1; c < clients; c++)
	{
		Q_strncatz(data, va(" \"%s\"", cls.userinfo[c]), sizeof(data));
	}

	Q_strncatz(data, "\n", sizeof(data));

#ifdef PROTOCOL_VERSION_FTE
	if (ftepext)
		Q_strncatz(data, va("0x%x 0x%x\n", PROTOCOL_VERSION_FTE, fteprotextsupported), sizeof(data));
#endif
#ifdef PROTOCOL_VERSION_FTE2
	if (ftepext2)
		Q_strncatz(data, va("0x%x 0x%x\n", PROTOCOL_VERSION_FTE2, fteprotextsupported2), sizeof(data));
#endif

	if (mtu > 0)
	{
		if (to->type == NA_LOOPBACK)
			mtu = MAX_UDP_PACKET;
		else if (net_mtu.ival > 64 && mtu > net_mtu.ival)
			mtu = net_mtu.ival;
		mtu &= ~7;
		Q_strncatz(data, va("0x%x %i\n", PROTOCOL_VERSION_FRAGMENT, mtu), sizeof(data));
		connectinfo.mtu = mtu;
	}
	else
		connectinfo.mtu = 0;

#ifdef HUFFNETWORK
	if (compressioncrc && net_compress.ival && Huff_CompressionCRC(compressioncrc))
	{
		Q_strncatz(data, va("0x%x 0x%x\n", PROTOCOL_VERSION_HUFFMAN, LittleLong(compressioncrc)), sizeof(data));
		connectinfo.compresscrc = compressioncrc;
	}
	else
#endif
		connectinfo.compresscrc = 0;

	info = CL_GUIDString(to);
	if (info)
		Q_strncatz(data, va("0x%x \"%s\"\n", PROTOCOL_INFO_GUID, info), sizeof(data));

	NET_SendPacket (NS_CLIENT, strlen(data), data, to);

	cl.splitclients = 0;
}

char *CL_TryingToConnect(void)
{
	if (!connectinfo.trying)
		return NULL;

	return cls.servername;
}

#ifndef CLIENTONLY
int SV_NewChallenge (void);
client_t *SVC_DirectConnect(void);
#endif

/*
=================
CL_CheckForResend

Resend a connect message if the last one has timed out

=================
*/
void CL_CheckForResend (void)
{
	char	data[2048];
	double t1, t2;
	int contype = 0;
	qboolean keeptrying = true;

#ifndef CLIENTONLY
	if (!cls.state && (!connectinfo.trying || sv.state != ss_clustermode) && sv.state)
	{
		unsigned int pext1, pext2;
		pext1 = 0;
		pext2 = 0;
		connectinfo.trying = true;
		connectinfo.istransfer = false;
		Q_strncpyz (cls.servername, "internalserver", sizeof(cls.servername));
		Cvar_ForceSet(&cl_servername, cls.servername);
		NET_StringToAdr(cls.servername, 0, &connectinfo.adr);

		cls.state = ca_disconnected;
		switch (svs.gametype)
		{
#ifdef Q3CLIENT
		case GT_QUAKE3:
			pext1 = 0;
			pext2 = 0;
			cls.protocol = CP_QUAKE3;
			break;
#endif
#ifdef Q2CLIENT
		case GT_QUAKE2:
			pext1 = 0;
			pext2 = 0;
			cls.protocol = CP_QUAKE2;
			break;
#endif
		default:
			cl.movesequence = 0;
			if (!strcmp(cl_loopbackprotocol.string, "qw"))
			{	//qw with all supported extensions -default
				pext1 = Net_PextMask(1, false);
				pext2 = Net_PextMask(2, false);
				cls.protocol = CP_QUAKEWORLD;
			}
			else if (!strcmp(cl_loopbackprotocol.string, "qwid") || !strcmp(cl_loopbackprotocol.string, "idqw"))
				cls.protocol = CP_QUAKEWORLD;
			else if (!strcmp(cl_loopbackprotocol.string, "fitz"))	//actually proquake, because we might as well use the extra angles
			{
				cls.protocol = CP_NETQUAKE;
				cls.protocol_nq = CPNQ_FITZ666;
			}
			else if (!strcmp(cl_loopbackprotocol.string, "nq"))	//actually proquake, because we might as well use the extra angles
			{
				cls.protocol = CP_NETQUAKE;
				cls.protocol_nq = CPNQ_PROQUAKE3_4;
			}
			else if (!strcmp(cl_loopbackprotocol.string, "nqid") || !strcmp(cl_loopbackprotocol.string, "idnq"))
			{
				cls.protocol = CP_NETQUAKE;
				cls.protocol_nq = CPNQ_ID;
			}
			else if (!strcmp(cl_loopbackprotocol.string, "q3"))
				cls.protocol = CP_QUAKE3;
			else if (!strcmp(cl_loopbackprotocol.string, "dp6"))
			{
				cls.protocol = CP_NETQUAKE;
				cls.protocol_nq = CPNQ_DP7;
			}
			else if (!strcmp(cl_loopbackprotocol.string, "dp7"))
			{
				cls.protocol = CP_NETQUAKE;
				cls.protocol_nq = CPNQ_DP7;
			}
			else if (progstype == PROG_QW || progstype == PROG_H2)	//h2 depends on various extensions and doesn't really match either protocol.
			{
				cls.protocol = CP_QUAKEWORLD;
				pext1 = Net_PextMask(1, false);
				pext2 = Net_PextMask(2, false);
			}
			else
			{
				cls.protocol = CP_NETQUAKE;
				cls.protocol_nq = CPNQ_FITZ666;
			}

			//make sure the protocol within demos is actually correct/sane
			if (cls.demorecording == 1 && cls.protocol != CP_QUAKEWORLD)
			{
				cls.protocol = CP_QUAKEWORLD;
				pext1 = Net_PextMask(1, false);
				pext2 = Net_PextMask(2, false);
			}
			else if (cls.demorecording == 2 && cls.protocol != CP_NETQUAKE)
			{
				cls.protocol = CP_NETQUAKE;
				cls.protocol_nq = CPNQ_FITZ666;
				//FIXME: use pext.
			}
			break;
		}

		CL_FlushClientCommands();	//clear away all client->server clientcommands.

		connectinfo.protocol = cls.protocol;
		if (connectinfo.protocol == CP_NETQUAKE)
		{
			if (!NET_StringToAdr (cls.servername, connectinfo.defaultport, &connectinfo.adr))
			{
				Con_TPrintf ("Bad server address\n");
				connectinfo.trying = false;
				SCR_EndLoadingPlaque();
				return;
			}
			NET_AdrToString(data, sizeof(data), &connectinfo.adr);

			/*eat up the server's packets, to clear any lingering loopback packets (like disconnect commands... yes this might cause packetloss for other clients)*/
			while(NET_GetPacket (NS_SERVER, 0) >= 0)
			{
			}
			net_message.packing = SZ_RAWBYTES;
			net_message.cursize = 0;

			if (cls.protocol_nq == CPNQ_ID)
			{
				net_from = connectinfo.adr;
				Cmd_TokenizeString (va("connect %i %i %i \"\\name\\unconnected\"", NET_PROTOCOL_VERSION, 0, SV_NewChallenge()), false, false);

				SVC_DirectConnect();
			}
			else if (cls.protocol_nq == CPNQ_FITZ666)
			{
				net_from = connectinfo.adr;
				Cmd_TokenizeString (va("connect %i %i %i \"\\name\\unconnected\\mod\\666\"", NET_PROTOCOL_VERSION, 0, SV_NewChallenge()), false, false);

				SVC_DirectConnect();
			}
			else if (cls.protocol_nq == CPNQ_PROQUAKE3_4)
			{
				net_from = connectinfo.adr;
				Cmd_TokenizeString (va("connect %i %i %i \"\\name\\unconnected\\mod\\1\"", NET_PROTOCOL_VERSION, 0, SV_NewChallenge()), false, false);

				SVC_DirectConnect();
			}
			else
				CL_ConnectToDarkPlaces("", &connectinfo.adr);
			connectinfo.trying = false;
		}
		else
		{
			if (!connectinfo.challenge)
				connectinfo.challenge = rand();
			cls.challenge = connectinfo.challenge;
			CL_SendConnectPacket (NULL, 8192-16, pext1, pext2, false);
		}
		return;
	}
#endif

	if (!connectinfo.trying)
		return;

	/*
#ifdef NQPROT
	if (connect_type)
	{
		if (!connect_time || !(realtime - connect_time < 5.0))
		{
			connect_time = realtime;
			NQ_BeginConnect(cls.servername);
			NQ_ContinueConnect(cls.servername);
		}
		else
			NQ_ContinueConnect(cls.servername);
		return;
	}
#endif
	*/
	if (connectinfo.time && realtime - connectinfo.time < 5.0)
		return;

	t1 = Sys_DoubleTime ();
	if (!connectinfo.istransfer)
	{
		if (!NET_StringToAdr (cls.servername, connectinfo.defaultport, &connectinfo.adr))
		{
			Con_TPrintf ("Bad server address\n");
			connectinfo.trying = false;
			SCR_EndLoadingPlaque();
			return;
		}
	}
	if (!NET_IsClientLegal(&connectinfo.adr))
	{
		Con_TPrintf ("Illegal server address\n");
		SCR_EndLoadingPlaque();
		connectinfo.trying = false;
		return;
	}

	CL_FlushClientCommands();

	t2 = Sys_DoubleTime ();

	connectinfo.time = realtime+t2-t1;	// for retransmit requests

	Cvar_ForceSet(&cl_servername, cls.servername);

#ifdef Q3CLIENT
	//Q3 clients send their cdkey to the q3 authorize server.
	//they send this packet with the challenge.
	//and the server will refuse the client if it hasn't sent it.
	CLQ3_SendAuthPacket(&connectinfo.adr);
#endif

	if (connectinfo.istransfer)
		Con_TPrintf ("Connecting to %s(%s)...\n", cls.servername, NET_AdrToString(data, sizeof(data), &connectinfo.adr));
	else
		Con_TPrintf ("Connecting to %s...\n", cls.servername);

	if (connectinfo.tries == 0)
		if (!NET_EnsureRoute(cls.sockets, "conn", cls.servername, false))
		{
			Con_Printf ("Unable to establish connection to %s\n", cls.servername);
			connectinfo.trying = false;
			SCR_EndLoadingPlaque();
			return;
		}

	contype |= 1; /*always try qw type connections*/
//	if ((connect_tries&3)==3) || (connect_defaultport==26000))
		contype |= 2; /*try nq connections periodically (or if its the default nq port)*/

	/*DP, QW, Q2, Q3*/
	if (contype & 1)
	{
		Q_snprintfz (data, sizeof(data), "%c%c%c%cgetchallenge\n", 255, 255, 255, 255);
		keeptrying &= NET_SendPacket (NS_CLIENT, strlen(data), data, &connectinfo.adr);
	}
	/*NQ*/
#ifdef NQPROT
	if (contype & 2)
	{
		sizebuf_t sb;
		memset(&sb, 0, sizeof(sb));
		sb.data = data;
		sb.maxsize = sizeof(data);

		MSG_WriteLong(&sb, LongSwap(NETFLAG_CTL | (strlen(NET_GAMENAME_NQ)+7)));
		MSG_WriteByte(&sb, CCREQ_CONNECT);
		MSG_WriteString(&sb, NET_GAMENAME_NQ);
		MSG_WriteByte(&sb, NET_PROTOCOL_VERSION);

		/*NQ engines have a few extra bits on the end*/
		/*proquake servers wait for us to send them a packet before anything happens,
		  which means it corrects for our public port if our nat uses different public ports for different remote ports
		  thus all nq engines claim to be proquake
		*/

		MSG_WriteByte(&sb, 1); /*'mod'*/
		MSG_WriteByte(&sb, 34); /*'mod' version*/
		MSG_WriteByte(&sb, 0); /*flags*/
		MSG_WriteLong(&sb, strtoul(password.string, NULL, 0)); /*password*/

		/*FTE servers will detect this string and treat it as a qw challenge instead (if it allows qw clients), so protocol choice is deterministic*/
		if (contype & 1)
			MSG_WriteString(&sb, "getchallenge");

		*(int*)sb.data = LongSwap(NETFLAG_CTL | sb.cursize);
		keeptrying &= NET_SendPacket (NS_CLIENT, sb.cursize, sb.data, &connectinfo.adr);
	}
#endif

	connectinfo.tries++;

	if (!keeptrying)
	{
		Con_TPrintf ("No route to host, giving up\n");
		connectinfo.trying = false;
		SCR_EndLoadingPlaque();
	}
}

void CL_BeginServerConnect(int port)
{
	if (!port)
		port = cl_defaultport.value;
	memset(&connectinfo, 0, sizeof(connectinfo));
	connectinfo.trying = true;
	connectinfo.defaultport = port;
	connectinfo.protocol = CP_UNKNOWN;
	SCR_SetLoadingStage(LS_CONNECTION);
	CL_CheckForResend();
}

void CL_BeginServerReconnect(void)
{
#ifndef CLIENTONLY
	if (isDedicated)
	{
		Con_TPrintf ("Connect ignored - dedicated. set a renderer first\n");
		return;
	}
#endif
	connectinfo.trying = true;
	connectinfo.istransfer = false;
	connectinfo.time = 0;
}

void CL_Transfer_f(void)
{
	char oldguid[64];
	char	*server;
	if (Cmd_Argc() != 2)
	{
		Con_TPrintf ("usage: cl_transfer <server>\n");
		return;
	}

	server = Cmd_Argv (1);
	if (!*server)
	{
		//if they didn't specify a server, abort any active transfer/connection.
		connectinfo.trying = false;
		return;
	}

	Q_strncpyz(oldguid, connectinfo.guid, sizeof(oldguid));
	memset(&connectinfo, 0, sizeof(connectinfo));
	if (NET_StringToAdr(server, 0, &connectinfo.adr))
	{
		if (cls.state)
		{
			connectinfo.istransfer = true;
			Q_strncpyz(connectinfo.guid, oldguid, sizeof(oldguid));	//retain the same guid on transfers
		}
		connectinfo.trying = true;
		connectinfo.defaultport = cl_defaultport.value;
		connectinfo.protocol = CP_UNKNOWN;
		SCR_SetLoadingStage(LS_CONNECTION);
		CL_CheckForResend();
	}
	else
	{
		Con_Printf("cl_transfer: bad address\n");
	}
}
/*
================
CL_Connect_f

================
*/
void CL_Connect_f (void)
{
	char	*server;

	if (Cmd_Argc() != 2)
	{
		Con_TPrintf ("usage: connect <server>\n");
		return;
	}

	server = Cmd_Argv (1);

#ifndef CLIENTONLY
	if (sv.state == ss_clustermode)
		CL_Disconnect ();
	else
#endif
		CL_Disconnect_f ();

	Q_strncpyz (cls.servername, server, sizeof(cls.servername));
	CL_BeginServerConnect(0);
}

void CL_Join_f (void)
{
	char	*server;

	if (Cmd_Argc() != 2)
	{
		if (cls.state)
		{	//Hmm. This server sucks.
			if ((cls.z_ext & Z_EXT_JOIN_OBSERVE) || cls.protocol != CP_QUAKEWORLD)
				Cmd_ForwardToServer();
			else
				Cbuf_AddText("\nspectator 0;reconnect\n", RESTRICT_LOCAL);
			return;
		}
		Con_Printf ("join requires a connection or servername/ip\n");
		return;
	}

	server = Cmd_Argv (1);

	CL_Disconnect_f ();

	Cvar_Set(&spectator, "0");

	Q_strncpyz (cls.servername, server, sizeof(cls.servername));
	CL_BeginServerConnect(0);
}

void CL_Observe_f (void)
{
	char	*server;

	if (Cmd_Argc() != 2)
	{
		if (cls.state)
		{
			if ((cls.z_ext & Z_EXT_JOIN_OBSERVE) || cls.protocol != CP_QUAKEWORLD)
				Cmd_ForwardToServer();
			else	//Hmm. This server sucks.
				Cbuf_AddText("\nspectator 1;reconnect\n", RESTRICT_LOCAL);
			return;
		}
		Con_Printf ("observe requires a connection or servername/ip\n");
		return;
	}

	server = Cmd_Argv (1);

	CL_Disconnect_f ();

	Cvar_Set(&spectator, "1");

	Q_strncpyz (cls.servername, server, sizeof(cls.servername));
	CL_BeginServerConnect(0);
}

#ifdef NQPROT
void CLNQ_Connect_f (void)
{
	char	*server;

	if (Cmd_Argc() != 2)
	{
		Con_TPrintf ("usage: connect <server>\n");
		return;
	}

	server = Cmd_Argv (1);

	CL_Disconnect_f ();

	Q_strncpyz (cls.servername, server, sizeof(cls.servername));
	CL_BeginServerConnect(26000);
}
#endif
 
#ifdef IRCCONNECT
void CL_IRCConnect_f (void)
{
	CL_Disconnect_f ();

	if (FTENET_AddToCollection(cls.sockets, "TCP", Cmd_Argv(2), NA_IRC, false))
	{
		char *server;
		server = Cmd_Argv (1);

		strcpy(cls.servername, "irc://");
		Q_strncpyz (cls.servername+6, server, sizeof(cls.servername)-6);
		CL_BeginServerConnect(0);
	}
}
#endif

#ifdef TCPCONNECT
void CL_TCPConnect_f (void)
{
	if (!Q_strcasecmp(Cmd_Argv(0), "tlsconnect"))
		Cbuf_InsertText(va("connect tls://%s", Cmd_Argv(1)), Cmd_ExecLevel, true);
	else
		Cbuf_InsertText(va("connect tcp://%s", Cmd_Argv(1)), Cmd_ExecLevel, true);
}
#endif

/*
=====================
CL_Rcon_f

  Send the rest of the command line over as
  an unconnected command.
=====================
*/
void CL_Rcon_f (void)
{
	char	message[1024];
	char	*password;
	int		i;
	netadr_t	to;

	i = 1;
	password = rcon_password.string;
	if (!*password)	//FIXME: this is strange...
	{
		if (Cmd_Argc() < 3)
		{
			Con_TPrintf ("'rcon_password' is not set.\n");
			Con_TPrintf("usage: rcon (password) <command>\n");
			return;
		}
		password = Cmd_Argv(1);
		i = 2;
	}
	else
	{
		if (Cmd_Argc() < 2)
		{
			Con_Printf("usage: rcon <command>\n");
			return;
		}
	}

	message[0] = 255;
	message[1] = 255;
	message[2] = 255;
	message[3] = 255;
	message[4] = 0;

	Q_strncatz (message, "rcon ", sizeof(message));
	Q_strncatz (message, password, sizeof(message));
	Q_strncatz (message, " ", sizeof(message));

	for ( ; i<Cmd_Argc() ; i++)
	{
		Q_strncatz (message, Cmd_Argv(i), sizeof(message));
		Q_strncatz (message, " ", sizeof(message));
	}

	if (cls.state >= ca_connected)
		to = cls.netchan.remote_address;
	else
	{
		if (!strlen(rcon_address.string))
		{
			Con_TPrintf ("You must either be connected,\nor set the 'rcon_address' cvar\nto issue rcon commands\n");

			return;
		}
		NET_StringToAdr (rcon_address.string, PORT_QWSERVER, &to);
	}

	NET_SendPacket (NS_CLIENT, strlen(message)+1, message, &to);
}

void CL_BlendFog(fogstate_t *result, fogstate_t *oldf, float time, fogstate_t *newf)
{
	float nfrac, ofrac;
	if (time >= newf->time)
		nfrac = 1;
	else if (time < oldf->time)
		nfrac = 0;
	else
		nfrac = (time - oldf->time) / (newf->time - oldf->time);
	ofrac = 1 - nfrac;

	FloatInterpolate(oldf->alpha, nfrac, newf->alpha, result->alpha);
	FloatInterpolate(oldf->depthbias, nfrac, newf->depthbias, result->depthbias);
	FloatInterpolate(oldf->density, nfrac, newf->density, result->density);	//this should be non-linear, but that sort of maths is annoying.
	VectorInterpolate(oldf->colour, nfrac, newf->colour, result->colour);

	result->time = time;
}
void CL_ResetFog(void)
{
	//blend from the current state, not the old state. this means things work properly if we've not reached the new state yet.
	CL_BlendFog(&cl.oldfog, &cl.oldfog, realtime, &cl.fog);

	//reset the new state to defaults, to be filled in by the caller.
	memset(&cl.fog, 0, sizeof(cl.fog));
	cl.fog.time = realtime;
	cl.fog.density = 0;
	cl.fog.colour[0] = 0.3;
	cl.fog.colour[1] = 0.3;
	cl.fog.colour[2] = 0.3;
	cl.fog.alpha = 1;
	cl.fog.depthbias = 0;
	/*
	cl.fog.end = 16384;
	cl.fog.height = 1<<30;
	cl.fog.fadedepth = 128;
	*/
}

/*
=====================
CL_ClearState

=====================
*/
void CL_ClearState (void)
{
	int			i;
#ifndef CLIENTONLY
#define serverrunning (sv.state != ss_dead)
#define tolocalserver NET_IsLoopBackAddress(&cls.netchan.remote_address)
#else
#define serverrunning false
#define tolocalserver false
#define SV_UnspawnServer()
#endif

	CL_UpdateWindowTitle();

	CL_AllowIndependantSendCmd(false);	//model stuff could be a problem.

	S_StopAllSounds (true);
	S_UntouchAll();
	S_ResetFailedLoad();
	r_regsequence++;

	Cvar_ApplyLatches(CVAR_SERVEROVERRIDE);

	Con_DPrintf ("Clearing memory\n");
	if (!serverrunning || !tolocalserver)
	{
#ifndef CLIENTONLY
		if (serverrunning && sv.state != ss_clustermode)
			SV_UnspawnServer();
#endif
		Mod_ClearAll ();

		Cvar_ApplyLatches(CVAR_LATCH);
	}

	CL_ClearParseState();
	CL_ClearTEnts();
	CL_ClearCustomTEnts();
	Surf_ClearLightmaps();
	T_FreeInfoStrings();
	SCR_ShowPic_Clear(false);

	if (cl.playerview[0].playernum == -1)
	{	//left over from q2 connect.
		Media_StopFilm(true);
	}

	for (i = 0; i < UPDATE_BACKUP; i++)
	{
		if (cl.inframes[i].packet_entities.entities)
		{
			Z_Free(cl.inframes[i].packet_entities.entities);
			cl.inframes[i].packet_entities.entities = NULL;
		}
	}

	if (cl.lerpents)
		BZ_Free(cl.lerpents);

	{
		downloadlist_t *next;
		while(cl.downloadlist)
		{
			next = cl.downloadlist->next;
			Z_Free(cl.downloadlist);
			cl.downloadlist = next;
		}
		while(cl.faileddownloads)
		{
			next = cl.faileddownloads->next;
			Z_Free(cl.faileddownloads);
			cl.faileddownloads = next;
		}
	}

// wipe the entire cl structure
	memset (&cl, 0, sizeof(cl));

	CL_ResetFog();

	cl.allocated_client_slots = QWMAX_CLIENTS;
#ifndef CLIENTONLY
	//FIXME: we should just set it to 0 to make sure its set up properly elsewhere.
	if (sv.state)
		cl.allocated_client_slots = sv.allocated_client_slots;
#endif

	SZ_Clear (&cls.netchan.message);

	r_worldentity.model = NULL;

// clear other arrays
//	memset (cl_dlights, 0, sizeof(cl_dlights));
	memset (cl_lightstyle, 0, sizeof(cl_lightstyle));
	for (i = 0; i < MAX_LIGHTSTYLES; i++)
		cl_lightstyle[i].colour = 7;

	rtlights_first = rtlights_max = RTL_FIRST;

	for (i = 0; i < MAX_SPLITS; i++)
	{
		VectorSet(cl.playerview[i].gravitydir, 0, 0, -1);
		cl.playerview[i].viewheight = DEFAULT_VIEWHEIGHT;
	}
	cl.minpitch = -70;
	cl.maxpitch = 80;

	cl.oldgametime = 0;
	cl.gametime = 0;
	cl.gametimemark = 0;
	cl.splitclients = 1;
}

/*
=====================
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)
{
	qbyte	final[12];

	connectinfo.trying = false;

	SCR_SetLoadingStage(0);

	Cvar_ApplyLatches(CVAR_SERVEROVERRIDE);

// stop sounds (especially looping!)
	S_StopAllSounds (true);
#ifdef VM_CG
	CG_Stop();
#endif
#ifdef CSQC_DAT
	CSQC_Shutdown();
#endif
	// if running a local server, shut it down
	if (cls.demoplayback != DPB_NONE)
		CL_StopPlayback ();
	else if (cls.state != ca_disconnected)
	{
		if (cls.demorecording)
			CL_Stop_f ();

		switch(cls.protocol)
		{
		case CP_NETQUAKE:
#ifdef NQPROT
			final[0] = clc_disconnect;
			final[1] = clc_stringcmd;
			strcpy (final+2, "drop");
			Netchan_Transmit (&cls.netchan, strlen(final)+1, final, 250000);
			Netchan_Transmit (&cls.netchan, strlen(final)+1, final, 250000);
			Netchan_Transmit (&cls.netchan, strlen(final)+1, final, 250000);
#endif
			break;
		case CP_PLUGIN:
			break;
		case CP_QUAKE2:
#ifdef Q2CLIENT
			final[0] = clcq2_stringcmd;
			strcpy (final+1, "disconnect");
			Netchan_Transmit (&cls.netchan, strlen(final)+1, final, 2500);
			Netchan_Transmit (&cls.netchan, strlen(final)+1, final, 2500);
			Netchan_Transmit (&cls.netchan, strlen(final)+1, final, 2500);
#endif
			break;
		case CP_QUAKE3:
			break;
		case CP_QUAKEWORLD:
			final[0] = clc_stringcmd;
			strcpy (final+1, "drop");
			Netchan_Transmit (&cls.netchan, strlen(final)+1, final, 2500);
			Netchan_Transmit (&cls.netchan, strlen(final)+1, final, 2500);
			Netchan_Transmit (&cls.netchan, strlen(final)+1, final, 2500);
			break;
		case CP_UNKNOWN:
			break;
		}

		cls.state = ca_disconnected;
		cls.protocol = CP_UNKNOWN;

		cls.demoplayback = DPB_NONE;
		cls.demorecording = cls.timedemo = false;

#ifndef CLIENTONLY
	//running a server, and it's our own
		if (serverrunning && !tolocalserver && sv.state != ss_clustermode)
			SV_UnspawnServer();
#endif
	}
	Cam_Reset();

	if (cl.worldmodel)
	{
		Mod_ClearAll();
		cl.worldmodel = NULL;
	}

	CL_Parse_Disconnected();

	COM_FlushTempoaryPacks();

	r_worldentity.model = NULL;
	cl.spectator = 0;
	cl.sendprespawn = false;
	cl.intermission = 0;
	cl.oldgametime = 0;

#ifdef NQPROT
	cls.signon=0;
#endif
	CL_StopUpload();

	CL_FlushClientCommands();

#ifndef CLIENTONLY
	if (!isDedicated)
#endif
	{
		SCR_EndLoadingPlaque();
		V_ClearCShifts();
	}

	cl.servercount = 0;
	cls.findtrack = false;
	cls.realserverip.type = NA_INVALID;

	Validation_DelatchRulesets();

#ifdef TCPCONNECT
	//disconnects it, without disconnecting the others.
	FTENET_AddToCollection(cls.sockets, "conn", NULL, NA_INVALID, false);
#endif

	Cvar_ForceSet(&cl_servername, "none");

	CL_ClearState();

	FS_PureMode(0, NULL, NULL, 0);

	Alias_WipeStuffedAliases();

	//now start up the csqc/menu module again.
//	CSQC_UnconnectedInit();
}

#undef serverrunning
#undef tolocalserver

void CL_Disconnect_f (void)
{
#ifndef CLIENTONLY
	if (sv.state)
		SV_UnspawnServer();
#endif

	CL_Disconnect ();

	connectinfo.trying = false;
}

/*
====================
CL_User_f

user <name or userid>

Dump userdata / masterdata for a user
====================
*/
void CL_User_f (void)
{
	int		uid;
	int		i;
	qboolean found = false;

#ifndef CLIENTONLY
	if (sv.state)
	{
		SV_User_f();
		return;
	}
#endif

	if (Cmd_Argc() != 2)
	{
		Con_TPrintf ("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)) )
		{
			if (cls.protocol == CP_NETQUAKE)
				Con_Printf("name: %s\ncolour %i %i\nping: %i\n", cl.players[i].name, cl.players[i].rbottomcolor, cl.players[i].rtopcolor, cl.players[i].ping);
			else
				Info_Print (cl.players[i].userinfo, "");
			found = true;
		}
	}
	if (!found)
		Con_TPrintf ("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_TPrintf ("userid frags name\n");
	Con_TPrintf ("------ ----- ----\n");
	for (i=0 ; i<MAX_CLIENTS ; i++)
	{
		if (cl.players[i].name[0])
		{
			Con_TPrintf ("%6i %4i %s\n", cl.players[i].userid, cl.players[i].frags, cl.players[i].name);
			c++;
		}
	}

	Con_TPrintf ("%i total users\n", c);
}

int CL_ParseColour(char *colt)
{
	int col;
	if (!strncmp(colt, "0x", 2))
		col = 0xff000000|strtoul(colt+2, NULL, 16);
	else
	{
		col = atoi(colt);
		col &= 15;
		if (col > 13)
			col = 13;
	}
	return col;
}

void CL_Color_f (void)
{
	// just for quake compatability...
	int		top, bottom;
	char	num[16];
	int  pnum = CL_TargettedSplit(true);

	qboolean server_owns_colour;

	if (Cmd_Argc() == 1)
	{
		Con_TPrintf ("\"color\" is \"%s %s\"\n",
			Info_ValueForKey (cls.userinfo[pnum], "topcolor"),
			Info_ValueForKey (cls.userinfo[pnum], "bottomcolor") );
		Con_TPrintf ("usage: color <0xRRGGBB> [0xRRGGBB]\n");
		return;
	}

	if (Cmd_FromGamecode())
		server_owns_colour = true;
	else
		server_owns_colour = false;


	if (Cmd_Argc() == 2)
		top = bottom = CL_ParseColour(Cmd_Argv(1));
	else
	{
		top = CL_ParseColour(Cmd_Argv(1));
		bottom = CL_ParseColour(Cmd_Argv(2));
	}

	Q_snprintfz (num, sizeof(num), (top&0xff000000)?"0x%06x":"%i", top & 0xffffff);
	if (top == 0)
		*num = '\0';
	if (Cmd_ExecLevel>RESTRICT_SERVER) //colour command came from server for a split client
		Cbuf_AddText(va("cmd %i setinfo topcolor \"%s\"\n", Cmd_ExecLevel-RESTRICT_SERVER-1, num), Cmd_ExecLevel);
//	else if (server_owns_colour)
//		Cvar_LockFromServer(&topcolor, num);
	else
		Cvar_Set (&topcolor, num);
	Q_snprintfz (num, sizeof(num), (bottom&0xff000000)?"0x%06x":"%i", bottom & 0xffffff);
	if (bottom == 0)
		*num = '\0';
	if (Cmd_ExecLevel>RESTRICT_SERVER) //colour command came from server for a split client
		Cbuf_AddText(va("cmd %i setinfo bottomcolor \"%s\"\n", Cmd_ExecLevel-RESTRICT_SERVER-1, num), Cmd_ExecLevel);
	else if (server_owns_colour)
		Cvar_LockFromServer(&bottomcolor, num);
	else
		Cvar_Set (&bottomcolor, num);
#ifdef NQPROT
	if (cls.protocol == CP_NETQUAKE)
		Cmd_ForwardToServer();
#endif
}

qboolean CL_CheckDLFile(const char *filename);
void CL_PakDownloads(int mode)
{
	/*
	mode=0 no downloads (forced to 1 for pure)
	mode=1 archived names so local stuff is not poluted
	mode=2 downloaded packages will always be present. Use With Caution.
	*/
	char local[256];
	char *pname;
	char *s = cl.serverpakcrcs;
	int i;

	if (!cl.serverpakschanged || !mode)
		return;

	Cmd_TokenizeString(cl.serverpaknames, false, false);
	for (i = 0; i < Cmd_Argc(); i++)
	{
		s = COM_Parse(s);
		pname = Cmd_Argv(i);

		//'*' prefix means 'referenced'. so if the server isn't using any files from it, don't bother downloading it.
		if (*pname == '*')
			pname++;
		else
			continue;

		if (mode != 2)
		{
			/*if we already have such a file, this is a no-op*/
			if (CL_CheckDLFile(va("package/%s", pname)))
				continue;
			if (!FS_GenCachedPakName(pname, com_token, local, sizeof(local)))
				continue;
		}
		else
			Q_strncpyz(local, pname, sizeof(local));
		CL_CheckOrEnqueDownloadFile(pname, local, DLLF_NONGAME);
	}
}

void CL_CheckServerPacks(void)
{
	static int oldpure;
	int pure = atof(Info_ValueForKey(cl.serverinfo, "sv_pure"));
	if (pure < cl_pure.ival)
		pure = cl_pure.ival;
	pure = bound(0, pure, 2);

	if (!*cl.serverpakcrcs || cls.demoplayback)
		pure = 0;

	if (pure != oldpure || cl.serverpakschanged)
	{
		CL_PakDownloads((pure && !cl_download_packages.ival)?1:cl_download_packages.ival);
		FS_PureMode(pure, cl.serverpaknames, cl.serverpakcrcs, cls.challenge);

		if (pure)
		{
			/*when enabling pure, kill cached models/sounds/etc*/
			Cache_Flush();
			/*make sure cheating lamas can't use old shaders from a different srver*/
			Shader_NeedReload(true);
		}
	}
	oldpure = pure;
	cl.serverpakschanged = false;
}

void CL_CheckServerInfo(void)
{
	char *s;
	unsigned int allowed;
	int oldstate;
	int oldteamplay;

	oldteamplay = cl.teamplay;
	cl.teamplay = atoi(Info_ValueForKey(cl.serverinfo, "teamplay"));
	cl.deathmatch = atoi(Info_ValueForKey(cl.serverinfo, "deathmatch"));

	cls.allow_cheats = false;
	cls.allow_semicheats=true;
	cls.allow_rearview=false;
	cls.allow_watervis=false;
	cls.allow_skyboxes=false;
	cls.allow_mirrors=false;
	cls.allow_postproc=false;
	cls.allow_fbskins = 1;
//	cls.allow_fbskins = 0;
//	cls.allow_overbrightlight;
	if (cl.spectator || cls.demoplayback || atoi(Info_ValueForKey(cl.serverinfo, "rearview")))
		cls.allow_rearview=true;

	if (cl.spectator || cls.demoplayback || atoi(Info_ValueForKey(cl.serverinfo, "watervis")))
		cls.allow_watervis=true;

	if (cl.spectator || cls.demoplayback || atoi(Info_ValueForKey(cl.serverinfo, "allow_skybox")) || atoi(Info_ValueForKey(cl.serverinfo, "allow_skyboxes")))
		cls.allow_skyboxes=true;

	if (cl.spectator || cls.demoplayback || atoi(Info_ValueForKey(cl.serverinfo, "mirrors")))
		cls.allow_mirrors=true;

	if (cl.spectator || cls.demoplayback || atoi(Info_ValueForKey(cl.serverinfo, "allow_lmgamma")))
		cls.allow_lightmapgamma=true;

	s = Info_ValueForKey(cl.serverinfo, "allow_fish");
	if (cl.spectator || cls.demoplayback || !*s || atoi(s))
		cls.allow_postproc=true;
	s = Info_ValueForKey(cl.serverinfo, "allow_postproc");
	if (cl.spectator || cls.demoplayback || !*s || atoi(s))
		cls.allow_postproc=true;

	s = Info_ValueForKey(cl.serverinfo, "fbskins");
	if (*s)
		cls.allow_fbskins = atof(s);
	else if (cl.teamfortress)
		cls.allow_fbskins = 0;

	s = Info_ValueForKey(cl.serverinfo, "*cheats");
	if (cl.spectator || cls.demoplayback || !stricmp(s, "on"))
		cls.allow_cheats = true;

#ifndef CLIENTONLY
	//allow cheats in single player regardless of sv_cheats.
	if (sv.state == ss_active && sv.allocated_client_slots == 1)
		cls.allow_cheats = true;
#endif

	s = Info_ValueForKey(cl.serverinfo, "strict");
	if ((!cl.spectator && !cls.demoplayback && *s && strcmp(s, "0")) || !ruleset_allow_semicheats.ival)
	{
		cls.allow_semicheats = false;
		cls.allow_cheats	= false;
	}

	cls.maxfps = atof(Info_ValueForKey(cl.serverinfo, "maxfps"));
	if (cls.maxfps < 20)
		cls.maxfps = 72;

	cls.deathmatch = atoi(Info_ValueForKey(cl.serverinfo, "deathmatch"));

	cls.z_ext = atoi(Info_ValueForKey(cl.serverinfo, "*z_ext"));

	// movement vars for prediction
	cl.bunnyspeedcap = Q_atof(Info_ValueForKey(cl.serverinfo, "pm_bunnyspeedcap"));
	movevars.slidefix = (Q_atof(Info_ValueForKey(cl.serverinfo, "pm_slidefix")) != 0);
	movevars.airstep = (Q_atof(Info_ValueForKey(cl.serverinfo, "pm_airstep")) != 0);
	movevars.walljump = (Q_atof(Info_ValueForKey(cl.serverinfo, "pm_walljump")));
	movevars.ktjump = Q_atof(Info_ValueForKey(cl.serverinfo, "pm_ktjump"));
	s = Info_ValueForKey(cl.serverinfo, "pm_stepheight");
	movevars.stepheight = *s?Q_atof(s):PM_DEFAULTSTEPHEIGHT;
	s = Info_ValueForKey(cl.serverinfo, "pm_watersinkspeed");
	movevars.watersinkspeed = *s?Q_atof(s):60;

	// Initialize cl.maxpitch & cl.minpitch
	if (cls.protocol == CP_QUAKEWORLD || cls.protocol == CP_NETQUAKE)
	{
		s = (cls.z_ext & Z_EXT_PITCHLIMITS) ? Info_ValueForKey (cl.serverinfo, "maxpitch") : "";
		cl.maxpitch = *s ? Q_atof(s) : 80.0f;
		s = (cls.z_ext & Z_EXT_PITCHLIMITS) ? Info_ValueForKey (cl.serverinfo, "minpitch") : "";
		cl.minpitch = *s ? Q_atof(s) : -70.0f;
	}
	else
	{
		cl.maxpitch = 89.9;
		cl.minpitch = -89.9;
	}

	cl.hexen2pickups = atoi(Info_ValueForKey(cl.serverinfo, "sv_pupglow"));

	allowed = atoi(Info_ValueForKey(cl.serverinfo, "allow"));
	if (allowed & 1)
		cls.allow_watervis = true;
	if (allowed & 2)
		cls.allow_rearview = true;
	if (allowed & 4)
		cls.allow_skyboxes = true;
	if (allowed & 8)
		cls.allow_mirrors = true;
	//16
	//32
	if (allowed & 128)
		cls.allow_postproc = true;
	if (allowed & 256)
		cls.allow_lightmapgamma = true;
	if (allowed & 512)
		cls.allow_cheats = true;

	if (cls.allow_semicheats)
		cls.allow_anyparticles = true;
	else
		cls.allow_anyparticles = false;


	if (cl.spectator || cls.demoplayback)
		cl.fpd = 0;
	else
		cl.fpd = atoi(Info_ValueForKey(cl.serverinfo, "fpd"));

	cl.gamespeed = atof(Info_ValueForKey(cl.serverinfo, "*gamespeed"))/100.f;
	if (cl.gamespeed < 0.1)
		cl.gamespeed = 1;

	s = Info_ValueForKey(cl.serverinfo, "status");
	oldstate = cl.matchstate;
	if (!stricmp(s, "standby"))
		cl.matchstate = MATCH_STANDBY;
	else if (!stricmp(s, "countdown"))
		cl.matchstate = MATCH_COUNTDOWN;
	else
		cl.matchstate = MATCH_DONTKNOW;
	if (oldstate != cl.matchstate)
		cl.matchgametime = 0;

	CL_CheckServerPacks();

	Cvar_ForceCheatVars(cls.allow_semicheats, cls.allow_cheats);
	Validation_Apply_Ruleset();

	if (oldteamplay != cl.teamplay)
		Skin_FlushPlayers();
}
/*
==================
CL_FullServerinfo_f

Sent by server just after the svc_serverdata
==================
*/
void CL_FullServerinfo_f (void)
{
	char *p;
	float v;

	if (!Cmd_FromGamecode())
	{
		Con_Printf("Hey! fullserverinfo is meant to come from the server!\n");
		return;
	}

	if (Cmd_Argc() != 2)
	{
		Con_TPrintf ("usage: fullserverinfo <complete info string>\n");
		return;
	}

	Q_strncpyz (cl.serverinfo, Cmd_Argv(1), sizeof(cl.serverinfo));

	if ((p = Info_ValueForKey(cl.serverinfo, "*version")) && *p) {
		v = Q_atof(p);
		if (v) {
			if (!server_version)
				Con_TPrintf ("Version %1.2f Server\n", v);
			server_version = v;
		}
	}
	CL_CheckServerInfo();

	cl.csqcdebug = atoi(Info_ValueForKey(cl.serverinfo, "*csqcdebug"));
}

/*
==================
CL_FullInfo_f

Allow clients to change userinfo
==================
*/
void CL_FullInfo_f (void)
{
	char	key[512];
	char	value[512];
	char	*o;
	char	*s;
	int pnum = CL_TargettedSplit(true);

	if (Cmd_Argc() != 2)
	{
		Con_TPrintf ("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 ("key %s has no value\n", key);
			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[pnum], key, value, sizeof(cls.userinfo[pnum]));
	}
}

void CL_SetInfo (int pnum, char *key, char *value)
{
	cvar_t *var;
	if (!pnum)
	{
		var = Cvar_FindVar(key);
		if (var && (var->flags & CVAR_USERINFO))
		{	//get the cvar code to set it. the server might have locked it.
			Cvar_Set(var, value);
			return;
		}
	}

	Info_SetValueForStarKey (cls.userinfo[pnum], key, value, sizeof(cls.userinfo[pnum]));
	if (cls.state >= ca_connected && !cls.demoplayback)
	{
#ifdef Q2CLIENT
		if (cls.protocol == CP_QUAKE2 || cls.protocol == CP_QUAKE3)
			cls.resendinfo = true;
		else
#endif
		{
			if (pnum)
				CL_SendClientCommand(true, "%i setinfo %s \"%s\"", pnum+1, key, value);
			else
				CL_SendClientCommand(true, "setinfo %s \"%s\"", key, value);
		}
	}
}
/*
==================
CL_SetInfo_f

Allow clients to change userinfo
==================
*/
void CL_SetInfo_f (void)
{
	cvar_t *var;
	int pnum = CL_TargettedSplit(true);
	if (Cmd_Argc() == 1)
	{
		Info_Print (cls.userinfo[pnum], "");
		return;
	}
	if (Cmd_Argc() != 3)
	{
		Con_TPrintf ("usage: setinfo [ <key> <value> ]\n");
		return;
	}
	if (!stricmp(Cmd_Argv(1), pmodel_name) || !strcmp(Cmd_Argv(1), emodel_name))
		return;

	if (Cmd_Argv(1)[0] == '*')
	{
		int i;
		if (!strcmp(Cmd_Argv(1), "*"))
			if (!strcmp(Cmd_Argv(2), ""))
			{	//clear it out
				char *k;
				for(i=0;;)
				{
					k = Info_KeyForNumber(cls.userinfo[pnum], i);
					if (!*k)
						break;	//no more.
					else if (*k == '*')
						i++;	//can't remove * keys
					else if ((var = Cvar_FindVar(k)) && var->flags&CVAR_USERINFO)
						i++;	//this one is a cvar.
					else
						Info_RemoveKey(cls.userinfo[pnum], k);	//we can remove this one though, so yay.
				}

				return;
			}
		Con_Printf ("Can't set * keys\n");
		return;
	}


	CL_SetInfo(pnum, Cmd_Argv(1), Cmd_Argv(2));
}

void CL_SaveInfo(vfsfile_t *f)
{
	int i;
	VFS_WRITE(f, "\n", 1);
	for (i = 0; i < MAX_SPLITS; i++)
	{
		if (i)
			VFS_WRITE(f, va("p%i setinfo * \"\"\n", i+1), 16);
		else
			VFS_WRITE(f, "setinfo * \"\"\n", 13);
		Info_WriteToFile(f, cls.userinfo[i], "setinfo", CVAR_USERINFO);
	}
}

/*
====================
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_TPrintf ("usage: packet <destination> <contents>\n");
		return;
	}

	if (!NET_StringToAdr (Cmd_Argv(1), PORT_QWSERVER, &adr))
	{
		Con_Printf ("Bad address: %s\n", Cmd_Argv(1));
		return;
	}


	if (Cmd_FromGamecode())	//some mvd servers stuffcmd a packet command which lets them know which ip the client is from.
	{						//unfortunatly, 50% of servers are badly configured.
		if (adr.type == NA_IP)
			if (adr.address.ip[0] == 127)
			if (adr.address.ip[1] == 0)
			if (adr.address.ip[2] == 0)
			if (adr.address.ip[3] == 1)
			{
				adr.address.ip[0] = cls.netchan.remote_address.address.ip[0];
				adr.address.ip[1] = cls.netchan.remote_address.address.ip[1];
				adr.address.ip[2] = cls.netchan.remote_address.address.ip[2];
				adr.address.ip[3] = cls.netchan.remote_address.address.ip[3];
				adr.port = cls.netchan.remote_address.port;
				Con_Printf (CON_WARNING "Server is broken. Trying to send to server instead.\n");
			}

		cls.realserverip = adr;
		Con_DPrintf ("Sending realip packet\n");
	}
	else if (!ruleset_allow_packet.ival)
	{
		Con_Printf("Sorry, the %s command is disallowed\n", Cmd_Argv(0));
		return;
	}
	cls.lastarbiatarypackettime = Sys_DoubleTime();	//prevent the packet command from causing a reconnect on badly configured mvdsv servers.

	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 if (in[i] == '\\' && in[i+1] == '\\')
		{
			*out++ = '\\';
			i++;
		}
		else if (in[i] == '\\' && in[i+1] == 'r')
		{
			*out++ = '\r';
			i++;
		}
		else if (in[i] == '\\' && in[i+1] == '\"')
		{
			*out++ = '\"';
			i++;
		}
		else if (in[i] == '\\' && in[i+1] == '0')
		{
			*out++ = '\0';
			i++;
		}
		else
			*out++ = in[i];
	}
	*out = 0;

	NET_SendPacket (NS_CLIENT, out-send, send, &adr);

	if (Cmd_FromGamecode())
	{
		//realip
		char *temp = Z_Malloc(strlen(in)+1);
		strcpy(temp, in);
		Cmd_TokenizeString(temp, false, false);
		cls.realip_ident = atoi(Cmd_Argv(2));
		Z_Free(temp);
	}
}


/*
=====================
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;
		}
	}

	if (!strcmp(cls.demos[cls.demonum], "quit"))
		Q_snprintfz (str, sizeof(str), "quit\n");
	else
		Q_snprintfz (str, sizeof(str), "playdemo %s\n", cls.demos[cls.demonum]);
	Cbuf_InsertText (str, RESTRICT_LOCAL, false);
	cls.demonum++;
}

/*
===============================================================================

DEMO LOOP CONTROL

===============================================================================
*/


/*
==================
CL_Startdemos_f
==================
*/
void CL_Startdemos_f (void)
{
	int		i, c;

	c = Cmd_Argc() - 1;
	if (c > MAX_DEMOS)
	{
		Con_Printf ("Max %i demos in demoloop\n", MAX_DEMOS);
		c = MAX_DEMOS;
	}
	Con_DPrintf ("%i demo(s) in loop\n", c);

	for (i=1 ; i<c+1 ; i++)
		Q_strncpyz (cls.demos[i-1], Cmd_Argv(i), sizeof(cls.demos[0]));

	if (
#ifndef CLIENTONLY
		!sv.state &&
#endif
		cls.demonum != -1 && cls.demoplayback==DPB_NONE && !Media_PlayingFullScreen() && COM_CheckParm("-demos"))
	{
		cls.demonum = 0;
		CL_NextDemo ();
	}
	else
		cls.demonum = -1;
}


/*
==================
CL_Demos_f

Return to looping demos
==================
*/
void CL_Demos_f (void)
{
	if (cls.demonum == -1)
		cls.demonum = 1;
	CL_Disconnect_f ();
	CL_NextDemo ();
}

/*
==================
CL_Stopdemo_f

stop demo
==================
*/
void CL_Stopdemo_f (void)
{
	if (cls.demoplayback == DPB_NONE)
		return;
	CL_StopPlayback ();
	CL_Disconnect ();
}



/*
=================
CL_Changing_f

Just sent as a hint to the client that they should
drop to full console
=================
*/
void CL_Changing_f (void)
{
	char *mapname = Cmd_Argv(1);
	if (cls.downloadqw)  // don't change when downloading
		return;

	if (*mapname)
		SCR_ImageName(mapname);
	else
		SCR_BeginLoadingPlaque();

	S_StopAllSounds (true);
	cl.intermission = 0;
	if (cls.state)
	{
		cls.state = ca_connected;	// not active anymore, but not disconnected
		Con_TPrintf ("\nChanging map...\n");
	}
	else
		Con_Printf("Changing while not connected\n");

#ifdef NQPROT
	cls.signon=0;
#endif
}


/*
=================
CL_Reconnect_f

The server is changing levels
=================
*/
void CL_Reconnect_f (void)
{
	if (cls.downloadqw)  // don't change when downloading
		return;
#ifdef NQPROT
	if (cls.protocol == CP_NETQUAKE && Cmd_FromGamecode())
	{
		CL_Changing_f();
		return;
	}
#endif
	S_StopAllSounds (true);

	if (cls.state == ca_connected)
	{
		Con_TPrintf ("reconnecting...\n");
		CL_SendClientCommand(true, "new");
		return;
	}

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

	CL_Disconnect();
	CL_BeginServerReconnect();
}

/*
=================
CL_ConnectionlessPacket

Responses to broadcasts, etc
=================
*/
void CL_ConnectionlessPacket (void)
{
	char	*s;
	int		c;
	char	adr[MAX_ADR_SIZE];

    MSG_BeginReading (msg_nullnetprim);
    MSG_ReadLong ();        // skip the -1

	Cmd_TokenizeString(net_message.data+4, false, false);

	if (net_message.cursize == sizeof(net_message_buffer))
		net_message.data[sizeof(net_message_buffer)-1] = '\0';
	else
		net_message.data[net_message.cursize] = '\0';

#ifdef PLUGINS
	if (Plug_ConnectionlessClientPacket(net_message.data+4, net_message.cursize-4))
		return;
#endif

	c = MSG_ReadByte ();

	// ping from somewhere
	if (c == A2A_PING)
	{
		char	data[256];
		int len;

		if (cls.realserverip.type == NA_INVALID)
			return;	//not done a realip yet

		if (NET_CompareBaseAdr(&cls.realserverip, &net_from) == false)
			return;	//only reply if it came from the real server's ip.

		data[0] = 0xff;
		data[1] = 0xff;
		data[2] = 0xff;
		data[3] = 0xff;
		data[4] = A2A_ACK;
		data[5] = 0;

		//ack needs two parameters to work with realip properly.
		//firstly it needs an auth message, so it can't be spoofed.
		//secondly, it needs a copy of the realip ident, so you can't report a different player's client (you would need access to their ip).
		data[5] = ' ';
		Q_snprintfz(data+6, sizeof(data)-6, "%i %i", atoi(MSG_ReadString()), cls.realip_ident);
		len = strlen(data);

		NET_SendPacket (NS_CLIENT, len, &data, &net_from);
		return;
	}

	if (c == A2C_PRINT)
	{
		if (!strncmp(net_message.data+msg_readcount, "\\chunk", 6))
		{
			if (NET_CompareBaseAdr(&cls.netchan.remote_address, &net_from) == false)
				if (cls.realserverip.type == NA_INVALID || NET_CompareBaseAdr(&cls.realserverip, &net_from) == false)
					return;	//only use it if it came from the real server's ip (this breaks on proxies).

			MSG_ReadLong();
			MSG_ReadChar();
			MSG_ReadChar();

			if (CL_ParseOOBDownload())
			{
				if (msg_readcount != net_message.cursize)
				{
					Con_Printf ("junk on the end of the packet\n");
					CL_Disconnect_f();
				}
			}
			return;
		}
	}

	if (cls.demoplayback == DPB_NONE && net_from.type != NA_LOOPBACK)
		Con_Printf ("%s: ", NET_AdrToString (adr, sizeof(adr), &net_from));
//	Con_DPrintf ("%s", net_message.data + 4);

	if (c == 'f')	//using 'f' as a prefix so that I don't need lots of hacks
	{
		s = MSG_ReadStringLine ();
		if (!strcmp(s, "redir"))
		{
			netadr_t adr;
			char *data = MSG_ReadStringLine();
			Con_TPrintf ("redirect to %s\n", data);
			NET_StringToAdr(data, 27500, &adr);
			data = "\xff\xff\xff\xffgetchallenge\n";
			connectinfo.istransfer = true;
			connectinfo.adr = adr;
			NET_SendPacket (NS_CLIENT, strlen(data), data, &adr);
			return;
		}
		else if (!strcmp(s, "reject"))
		{	//generic rejection. stop trying.
			char *data = MSG_ReadStringLine();
			Con_Printf ("reject\n%s\n", s);
			connectinfo.trying = false;
			return;
		}
		else if (!strcmp(s, "badname"))
		{	//rejected purely because of player name
			Con_Printf ("f%s\n", s);
			connectinfo.trying = false;
			return;
		}
		else if (!strcmp(s, "badaccount"))
		{	//rejected because username or password is wrong
			Con_Printf ("f%s\n", s);
			connectinfo.trying = false;
			return;
		}
		else
			Con_Printf ("f%s", s);
	}

	if (c == S2C_CHALLENGE)
	{
		static unsigned int lasttime = 0xdeadbeef;
		netadr_t lastadr;
		unsigned int curtime = Sys_Milliseconds();
		unsigned long pext = 0, pext2 = 0, huffcrc=0, mtu=0;
		Con_TPrintf ("challenge\n");

		s = MSG_ReadString ();
		COM_Parse(s);
		if (!strcmp(com_token, "hallengeResponse"))
		{
			/*Quake3*/
#ifdef Q3CLIENT
			if (connectinfo.protocol == CP_QUAKE3 || connectinfo.protocol == CP_UNKNOWN)
			{
				/*throttle*/
				if (curtime - lasttime < 500)
					return;
				lasttime = curtime;

				connectinfo.protocol = CP_QUAKE3;
				connectinfo.challenge = atoi(s+17);
				CL_SendConnectPacket (&net_from, 0, 0, 0, 0/*, ...*/);
			}
			else
			{
				Con_Printf("\nChallenge from another protocol, ignoring Q3 challenge\n");
				return;
			}
			return;
#else
			Con_Printf("\nUnable to connect to Quake3\n");
			return;
#endif
		}
		else if (!strcmp(com_token, "hallenge"))
		{
			/*Quake2 or Darkplaces*/
			char *s2;

			for (s2 = s+9; *s2; s2++)
			{
				if ((*s2 < '0' || *s2 > '9') && *s2 != '-')
					break;
			}
			if (*s2 && *s2 != ' ')
			{//and if it's not, we're unlikly to be compatible with whatever it is that's talking at us.
#ifdef NQPROT
				if (connectinfo.protocol == CP_NETQUAKE || connectinfo.protocol == CP_UNKNOWN)
				{
					/*throttle*/
					if (curtime - lasttime < 500)
						return;
					lasttime = curtime;

					connectinfo.protocol = CP_NETQUAKE;
					CL_ConnectToDarkPlaces(s+9, &net_from);
				}
				else
					Con_Printf("\nChallenge from another protocol, ignoring DP challenge\n");
#else
				Con_Printf("\nUnable connect to DarkPlaces\n");
#endif
				return;
			}

#ifdef Q2CLIENT
			if (connectinfo.protocol == CP_QUAKE2 || connectinfo.protocol == CP_UNKNOWN)
				connectinfo.protocol = CP_QUAKE2;
			else
			{
				Con_Printf("\nChallenge from another protocol, ignoring Q2 challenge\n");
				return;
			}
#else
			Con_Printf("\nUnable to connect to Quake2\n");
#endif
			s+=9;
		}
#ifdef Q3CLIENT
		else if (!strcmp(com_token, "onnectResponse"))
		{
			connectinfo.protocol = CP_QUAKE3;
			goto client_connect;
		}
#endif
#ifdef Q2CLIENT
		else if (!strcmp(com_token, "lient_connect"))
		{
			connectinfo.protocol = CP_QUAKE2;
			goto client_connect;
		}
#endif

		/*no idea, assume a QuakeWorld challenge response ('c' packet)*/

		else if (connectinfo.protocol == CP_QUAKEWORLD || connectinfo.protocol == CP_UNKNOWN)
			connectinfo.protocol = CP_QUAKEWORLD;
		else
		{
			Con_Printf("\nChallenge from another protocol, ignoring QW challenge\n");
			return;
		}

		/*throttle connect requests*/
		if (curtime - lasttime < 500 && NET_CompareAdr(&net_from, &lastadr))
			return;
		lasttime = curtime;
		lastadr = net_from;

		connectinfo.challenge = atoi(s);

		for(;;)
		{
			c = MSG_ReadLong ();
			if (msg_badread)
				break;
			if (c == PROTOCOL_VERSION_FTE)
				pext = MSG_ReadLong ();
			else if (c == PROTOCOL_VERSION_FTE2)
				pext2 = MSG_ReadLong ();
			else if (c == PROTOCOL_VERSION_FRAGMENT)
				mtu = MSG_ReadLong ();
			else if (c == PROTOCOL_VERSION_VARLENGTH)
			{
				int len = MSG_ReadLong();
				if (len < 0 || len > 8192)
					break;
				c = MSG_ReadLong();/*ident*/
				MSG_ReadSkip(len); /*payload*/
			}
#ifdef HUFFNETWORK
			else if (c == PROTOCOL_VERSION_HUFFMAN)
				huffcrc = MSG_ReadLong ();
#endif
			//else if (c == PROTOCOL_VERSION_...)
			else
				MSG_ReadLong ();
		}
		CL_SendConnectPacket (&net_from, mtu, pext, pext2, huffcrc/*, ...*/);
		return;
	}
#ifdef Q2CLIENT
	if (connectinfo.protocol == CP_QUAKE2)
	{
		char *nl;
		msg_readcount--;
		c = msg_readcount;
		s = MSG_ReadString ();
		nl = strchr(s, '\n');
		if (nl)
		{
			msg_readcount = c + nl-s + 1;
			msg_badread = false;
			*nl = '\0';
		}

		if (!strcmp(s, "print"))
		{
			Con_TPrintf ("print\n");

			s = MSG_ReadString ();
			Con_Printf ("%s", s);
			return;
		}
		else if (!strcmp(s, "client_connect"))
		{
			connectinfo.protocol = CP_QUAKE2;
			goto client_connect;
		}
		else if (!strcmp(s, "disconnect"))
		{
			if (NET_CompareAdr(&net_from, &cls.netchan.remote_address))
			{
				Con_Printf ("disconnect\n");
				CL_Disconnect_f();
				return;
			}
			else
			{
				Con_Printf("Ignoring random disconnect command\n");
				return;
			}
		}
		else
		{
			Con_TPrintf ("unknown connectionless packet for q2:  %s\n", s);
			msg_readcount = c;
			c = MSG_ReadByte();
		}
	}
#endif

#ifdef NQPROT
	if (c == 'a')
	{
		s = MSG_ReadString ();
		COM_Parse(s);
		if (!strcmp(com_token, "ccept"))
		{
			Con_Printf ("accept\n");
			Validation_Apply_Ruleset();
			Netchan_Setup(NS_CLIENT, &cls.netchan, &net_from, cls.qport);
			CL_ParseEstablished();
			Con_DPrintf ("CL_EstablishConnection: connected to %s\n", cls.servername);

			/*this is a DP server... but we don't know which version*/
			cls.netchan.isnqprotocol = true;
			cls.protocol = CP_NETQUAKE;
			cls.protocol_nq = CPNQ_ID;
			cls.challenge = connectinfo.challenge;
			connectinfo.trying = false;

			cls.demonum = -1;			// not in the demo loop now
			cls.state = ca_connected;


			SCR_BeginLoadingPlaque();
			return;
		}
	}
#endif

	if (c == 'd')	//note - this conflicts with qw masters, our browser uses a different socket.
	{
		Con_Printf ("d\n");
		if (cls.demoplayback != DPB_NONE)
		{
			Con_Printf("Disconnect\n");
			CL_Disconnect_f();
		}
		return;
	}

	if (c == S2C_CONNECTION)
	{
		connectinfo.protocol = CP_QUAKEWORLD;
#ifdef Q2CLIENT
client_connect:	//fixme: make function
#endif

		if (!NET_CompareAdr(&connectinfo.adr, &net_from))
		{
			if (net_from.type != NA_LOOPBACK)
				Con_TPrintf ("ignoring connection\n");
			return;
		}
		if (net_from.type != NA_LOOPBACK)
			Con_TPrintf ("connection\n");

		if (cls.state >= ca_connected)
		{
			if (!NET_CompareAdr(&cls.netchan.remote_address, &net_from))
			{
#ifndef CLIENTONLY
				if (sv.state != ss_clustermode)
#endif
					CL_Disconnect_f();
			}
			else
			{
				if (cls.demoplayback == DPB_NONE)
					Con_TPrintf ("Dup connect received.  Ignored.\n");
				return;
			}
		}
		connectinfo.trying = false;
		cls.protocol = connectinfo.protocol;
		cls.challenge = connectinfo.challenge;
		Netchan_Setup (NS_CLIENT, &cls.netchan, &net_from, cls.qport);
		cls.netchan.fragmentsize = connectinfo.mtu;
#ifdef HUFFNETWORK
		cls.netchan.compresstable = Huff_CompressionCRC(connectinfo.compresscrc);
#else
		cls.netchan.compresstable = NULL;
#endif
		CL_ParseEstablished();
#ifdef Q3CLIENT
		if (cls.protocol != CP_QUAKE3)
#endif
			CL_SendClientCommand(true, "new");
		cls.state = ca_connected;
		if (cls.netchan.remote_address.type != NA_LOOPBACK)
			Con_TPrintf ("Connected.\n");
#ifdef QUAKESPYAPI
		allowremotecmd = false; // localid required now for remote cmds
#endif

		total_loading_size = 100;
		current_loading_size = 0;
		SCR_SetLoadingStage(LS_CLIENT);

		Validation_Apply_Ruleset();

		return;
	}
#ifdef QUAKESPYAPI
	// remote command from gui front end
	if (c == A2C_CLIENT_COMMAND)	//man I hate this.
	{
		char	cmdtext[2048];

		if (net_from.type != net_local_cl_ipadr.type || net_from.type != NA_IP
			|| ((*(unsigned *)net_from.address.ip != *(unsigned *)net_local_cl_ipadr.address.ip) && (*(unsigned *)net_from.address.ip != htonl(INADDR_LOOPBACK))))
		{
			Con_TPrintf ("Command packet from remote host.  Ignored.\n");
			return;
		}
#if defined(_WIN32) && !defined(WINRT)
		ShowWindow (mainwindow, SW_RESTORE);
		SetForegroundWindow (mainwindow);
#endif
		s = MSG_ReadString ();

		Con_TPrintf ("client command: %s\n", s);

		Q_strncpyz(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)
			{
				Con_TPrintf ("^&C0Command packet received from local host, but no localid has been set.  You may need to upgrade your server browser.\n");
				return;
			}
			Con_TPrintf ("^&C0Invalid localid on command packet received from local host. \n|%s| != |%s|\nYou may need to reload your server browser and QuakeWorld.\n",
				s, localid.string);
			Cvar_Set(&localid, "");
			return;
		}

		Cbuf_AddText (cmdtext, RESTRICT_SERVER);
		allowremotecmd = false;
		return;
	}
#endif
	// print command from somewhere
	if (c == 'p')
	{
		if (!strncmp(net_message.data+4, "print\n", 6))
		{
			Con_TPrintf ("print\n");
			Con_Printf ("%s", net_message.data+10);
			return;
		}
	}
	if (c == A2C_PRINT)
	{
		Con_TPrintf ("print\n");

		s = MSG_ReadString ();
		Con_Printf ("%s", s);
		return;
	}
	if (c == 'r')//dp's reject
	{
		s = MSG_ReadString ();
		Con_Printf("r%s\n", s);
		return;
	}

//happens in demos
	if (c == svc_disconnect && cls.demoplayback != DPB_NONE)
	{
		Host_EndGame ("End of Demo");
		return;
	}

	Con_TPrintf ("unknown connectionless packet:  %c\n", c);
}

#ifdef NQPROT
void CLNQ_ConnectionlessPacket(void)
{
	char *s;
	int length;
	unsigned short port;

	MSG_BeginReading (msg_nullnetprim);
	length = LongSwap(MSG_ReadLong ());
	if (!(length & NETFLAG_CTL))
		return;	//not an nq control packet.
	length &= NETFLAG_LENGTH_MASK;
	if (length != net_message.cursize)
		return;	//not an nq packet.

	switch(MSG_ReadByte())
	{
	case CCREP_ACCEPT:
		if (cls.state >= ca_connected)
		{
			if (cls.demoplayback == DPB_NONE)
				Con_TPrintf ("Dup connect received.  Ignored.\n");
			return;
		}
		port = htons((unsigned short)MSG_ReadLong());
		//this is the port that we're meant to respond to.

		if (port)
			net_from.port = port;

		cls.protocol_nq = CPNQ_ID;
		if (MSG_ReadByte() == 1)	//a proquake server adds a little extra info
		{
			int ver = MSG_ReadByte();
			Con_DPrintf("ProQuake server %i.%i\n", ver/10, ver%10);

//			if (ver >= 34)
			cls.protocol_nq = CPNQ_PROQUAKE3_4;
			if (MSG_ReadByte() == 1)
			{
				//its a 'pure' server.
				Con_Printf("pure ProQuake server\n");
				return;
			}
		}

		Validation_Apply_Ruleset();

		Netchan_Setup (NS_CLIENT, &cls.netchan, &net_from, cls.qport);
		CL_ParseEstablished();
		cls.netchan.isnqprotocol = true;
		cls.netchan.compresstable = NULL;
		cls.protocol = CP_NETQUAKE;
		cls.state = ca_connected;
		Con_TPrintf ("Connected.\n");

		total_loading_size = 100;
		current_loading_size = 0;
		SCR_SetLoadingStage(LS_CLIENT);

#ifdef QUAKESPYAPI
		allowremotecmd = false; // localid required now for remote cmds
#endif

		//send a dummy packet.
		//this makes our local nat think we initialised the conversation.
		Netchan_Transmit(&cls.netchan, 1, "\x01", 2500);
		return;

	case CCREP_REJECT:
		s = MSG_ReadString();
		Con_Printf("Connect failed\n%s\n", s);
		return;
	}
}
#endif

void CL_MVDUpdateSpectator (void);
void CL_WriteDemoMessage (sizebuf_t *msg, int payloadoffset);
/*
=================
CL_ReadPackets
=================
*/
void CL_ReadPackets (void)
{
	char	adr[MAX_ADR_SIZE];

	if (!qrenderer)
		return;

//	while (NET_GetPacket ())
	for(;;)
	{
		if (!CL_GetMessage())
			break;

#ifdef NQPROT
		if (cls.demoplayback == DPB_NETQUAKE)
		{
			MSG_BeginReading (cls.netchan.netprim);
			cls.netchan.last_received = realtime;
			CLNQ_ParseServerMessage ();

			if (!cls.demoplayback)
				CL_NextDemo();
			continue;
		}
#endif
#ifdef Q2CLIENT
		if (cls.demoplayback == DPB_QUAKE2)
		{
			MSG_BeginReading (cls.netchan.netprim);
			cls.netchan.last_received = realtime;
			CLQ2_ParseServerMessage ();
			continue;
		}
#endif
		//
		// remote command packet
		//
		if (*(int *)net_message.data == -1)
		{
			CL_ConnectionlessPacket ();
			continue;
		}

		if (net_message.cursize < 6 && (cls.demoplayback != DPB_MVD && cls.demoplayback != DPB_EZTV)) //MVDs don't have the whole sequence header thing going on
		{
			Con_TPrintf ("%s: Runt packet\n", NET_AdrToString(adr, sizeof(adr), &net_from));
			continue;
		}

		if (cls.state == ca_disconnected)
		{	//connect to nq servers, but don't get confused with sequenced packets.
			if (NET_WasSpecialPacket(NS_CLIENT))
				continue;
#ifdef NQPROT
			CLNQ_ConnectionlessPacket ();
#endif
			continue;	//ignore it. We arn't connected.
		}

		//
		// packet from server
		//
		if (!cls.demoplayback &&
			!NET_CompareAdr (&net_from, &cls.netchan.remote_address))
		{
			if (NET_WasSpecialPacket(NS_CLIENT))
				continue;
			Con_DPrintf ("%s:sequenced packet from wrong server\n"
				,NET_AdrToString(adr, sizeof(adr), &net_from));
			continue;
		}

		switch(cls.protocol)
		{
		case CP_NETQUAKE:
#ifdef NQPROT
			switch(NQNetChan_Process(&cls.netchan))
			{
			case NQP_ERROR:
				break;
			case NQP_DATAGRAM://datagram
//				cls.netchan.incoming_sequence = cls.netchan.outgoing_sequence - 3;
			case NQP_RELIABLE://reliable
				MSG_ChangePrimitives(cls.netchan.netprim);
				CL_WriteDemoMessage (&net_message, msg_readcount);
				CLNQ_ParseServerMessage ();
				break;
			}
#endif
			break;
		case CP_PLUGIN:
			break;
		case CP_QUAKE2:
#ifdef Q2CLIENT
			if (!Netchan_Process(&cls.netchan))
				continue;		// wasn't accepted for some reason
			CLQ2_ParseServerMessage ();
			break;
#endif
		case CP_QUAKE3:
#ifdef Q3CLIENT
			CLQ3_ParseServerMessage();
#endif
			break;
		case CP_QUAKEWORLD:
			if (cls.demoplayback == DPB_MVD || cls.demoplayback == DPB_EZTV)
			{
				MSG_BeginReading(cls.netchan.netprim);
				cls.netchan.last_received = realtime;
				cls.netchan.outgoing_sequence = cls.netchan.incoming_sequence;
			}
			else if (!Netchan_Process(&cls.netchan))
				continue;		// wasn't accepted for some reason

			CL_WriteDemoMessage (&net_message, msg_readcount);

			if (cls.netchan.incoming_sequence > cls.netchan.outgoing_sequence)
			{	//server should not be responding to packets we have not sent yet
				Con_DPrintf("Server is from the future! (%i packets)\n", cls.netchan.incoming_sequence - cls.netchan.outgoing_sequence);
				cls.netchan.outgoing_sequence = cls.netchan.incoming_sequence;
			}
			MSG_ChangePrimitives(cls.netchan.netprim);
			CLQW_ParseServerMessage ();
			break;
		case CP_UNKNOWN:
			break;
		}

//		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 && !cls.demoplayback)
	{
#ifndef CLIENTONLY
		/*don't timeout when we're the actual server*/
		if (!sv.state)
#endif
		{
			Con_TPrintf ("\nServer connection timed out.\n");
			CL_Disconnect ();
			return;
		}
	}

	if (cls.demoplayback == DPB_MVD || cls.demoplayback == DPB_EZTV)
	{
		CL_MVDUpdateSpectator();
	}
}

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

qboolean CL_AllowArbitaryDownload(char *localfile)
{
	int allow;
	//never allow certain (native code) arbitary downloads.
	if (!strnicmp(localfile, "game", 4) || !stricmp(localfile, "progs.dat") || !stricmp(localfile, "menu.dat") || !stricmp(localfile, "csprogs.dat") || !stricmp(localfile, "qwprogs.dat") || strstr(localfile, "..") || strstr(localfile, ":") || strstr(localfile, "//") || strstr(localfile, ".qvm") || strstr(localfile, ".dll") || strstr(localfile, ".so"))
	{	//yes, I know the user can use a different progs from the one that is specified. If you leave it blank there will be no problem. (server isn't allowed to stuff progs cvar)
		Con_Printf("Ignoring arbitary download to \"%s\" due to possible security risk\n", localfile);
		return false;
	}
	allow = cl_download_redirection.ival;
	if (allow == 2)
	{
		char *ext = COM_FileExtension(localfile);
		if (!strcmp(ext, "pak") || !strcmp(ext, "pk3") || !strcmp(ext, "pk4"))
			return true;
		else
		{
			Con_Printf("Ignoring non-package download redirection to \"%s\"\n", localfile);
			return false;
		}
	}
	if (allow)
		return true;
	Con_Printf("Ignoring download redirection to \"%s\". This server may require you to set cl_download_redirection to 2.\n", localfile);
	return false;
}

/*
=====================
CL_Download_f
=====================
*/
void CL_Download_f (void)
{
//	char *p, *q;
	char *url;

	url = Cmd_Argv(1);

#ifdef WEBCLIENT
	if (!strnicmp(url, "http://", 7) || !strnicmp(url, "ftp://", 6))
	{
		if (Cmd_IsInsecure())
			return;
		HTTP_CL_Get(url, Cmd_Argv(2), NULL);//"test.txt");
		return;
	}
#endif

	if (!strnicmp(url, "qw://", 5) || !strnicmp(url, "q2://", 5))
	{
		url += 5;
	}

	if ((cls.state == ca_disconnected || cls.demoplayback) && cls.demoplayback != DPB_EZTV)
	{
		Con_TPrintf ("Must be connected.\n");
		return;
	}

	if (cls.netchan.remote_address.type == NA_LOOPBACK)
	{
		Con_TPrintf ("Must be connected.\n");
		return;
	}

	if (Cmd_Argc() != 2)
	{
		Con_TPrintf ("Usage: download <datafile>\n");
		return;
	}

	if (Cmd_IsInsecure())	//mark server specified downloads.
	{
		if (!CL_AllowArbitaryDownload(url))
			return;

		CL_CheckOrEnqueDownloadFile(url, url, DLLF_REQUIRED|DLLF_VERBOSE);
		return;
	}

	CL_EnqueDownload(url, url, DLLF_IGNOREFAILED|DLLF_REQUIRED|DLLF_OVERWRITE|DLLF_VERBOSE);
}

void CL_DownloadSize_f(void)
{
	downloadlist_t *dl;
	char *rname;
	char *size;
	char *redirection;

	//if this is a demo.. urm?
	//ignore it. This saves any spam.
	if (cls.demoplayback)
		return;

	rname = Cmd_Argv(1);
	size = Cmd_Argv(2);
	if (!strcmp(size, "e"))
	{
		Con_Printf("Download of \"%s\" failed. Not found.\n", rname);
		CL_DownloadFailed(rname, false);
	}
	else if (!strcmp(size, "p"))
	{
		if (stricmp(cls.downloadremotename, rname))
		{
			Con_Printf("Download of \"%s\" failed. Not allowed.\n", rname);
			CL_DownloadFailed(rname, false);
		}
	}
	else if (!strcmp(size, "r"))
	{	//'download this file instead'
		redirection = Cmd_Argv(3);

		if (!CL_AllowArbitaryDownload(redirection))
			return;

		dl = CL_DownloadFailed(rname, false);
		Con_DPrintf("Download of \"%s\" redirected to \"%s\".\n", rname, redirection);
		CL_CheckOrEnqueDownloadFile(redirection, NULL, dl->flags);
	}
	else
	{
		for (dl = cl.downloadlist; dl; dl = dl->next)
		{
			if (!strcmp(dl->rname, rname))
			{
				dl->size = strtoul(size, NULL, 0);
				dl->flags &= ~DLLF_SIZEUNKNOWN;
				return;
			}
		}
	}
}

void CL_FinishDownload(char *filename, char *tempname);
void CL_ForceStopDownload (qboolean finish)
{
	if (Cmd_IsInsecure())
	{
		Con_Printf(CON_WARNING "Execution from server rejected for %s\n", Cmd_Argv(0));
		return;
	}

	if (!cls.downloadqw)
	{
		Con_Printf("No files downloading by QW protocol\n");
		return;
	}

	VFS_CLOSE (cls.downloadqw);
	cls.downloadqw = NULL;

	if (finish)
		CL_DownloadFinished();
	else
	{
		char *tempname;

		if (*cls.downloadtempname)
			tempname = cls.downloadtempname;
		else
			tempname = cls.downloadlocalname;

		if (strncmp(tempname,"skins/",6))
			FS_Remove(tempname, FS_GAME);
		else
			FS_Remove(tempname, FS_PUBBASEGAMEONLY);
	}
	*cls.downloadlocalname = '\0';
	*cls.downloadremotename = '\0';
	cls.downloadpercent = 0;

	// get another file if needed
	CL_RequestNextDownload ();
}

void CL_SkipDownload_f (void)
{
	CL_ForceStopDownload(false);
}

void CL_FinishDownload_f (void)
{
	CL_ForceStopDownload(true);
}

#if defined(_WIN32) && !defined(WINRT)
#include "winquake.h"
/*
=================
CL_Minimize_f
=================
*/
void CL_Windows_f (void)
{
	if (!mainwindow)
	{
		Con_Printf("Cannot comply\n");
		return;
	}
//	if (modestate == MS_WINDOWED)
//		ShowWindow(mainwindow, SW_MINIMIZE);
//	else
		SendMessage(mainwindow, WM_SYSKEYUP, VK_TAB, 1 | (0x0F << 16) | (1<<29));
}
#endif

#ifndef CLIENTONLY
void CL_ServerInfo_f(void)
{
	if (!sv.state && cls.state && Cmd_Argc() < 2)
	{
		if (cls.demoplayback || cls.protocol != CP_QUAKEWORLD)
		{
			Info_Print (cl.serverinfo, "");
		}
		else
			Cmd_ForwardToServer ();
	}
	else
	{
		SV_Serverinfo_f();	//allow it to be set... (whoops)
	}
}
#endif

/*
#ifdef WEBCLIENT
void CL_FTP_f(void)
{
	FTP_Client_Command(Cmd_Args(), NULL);
}
#endif
*/

void CL_Fog_f(void)
{
	if ((cl.fog_locked && !Cmd_FromGamecode()) || Cmd_Argc() <= 1)
		Con_Printf("Current fog %f (r:%f g:%f b:%f)\n", cl.fog.density, cl.fog.colour[0], cl.fog.colour[1], cl.fog.colour[2]);
	else
	{
		CL_ResetFog();

		switch(Cmd_Argc())
		{
		case 1:
			break;
		case 2:
			cl.fog.density = atof(Cmd_Argv(1));
			break;
		case 3:
			cl.fog.density = atof(Cmd_Argv(1));
			cl.fog.colour[0] = cl.fog.colour[1] = cl.fog.colour[2] = atof(Cmd_Argv(2));
			break;
		case 4:
			cl.fog.density = 0.05;	//make something up for vauge compat with fitzquake, so it doesn't get the default of 0
			cl.fog.colour[0] = atof(Cmd_Argv(1));
			cl.fog.colour[1] = atof(Cmd_Argv(2));
			cl.fog.colour[2] = atof(Cmd_Argv(3));
			break;
		case 5:
		default:
			cl.fog.density = atof(Cmd_Argv(1));
			cl.fog.colour[0] = atof(Cmd_Argv(2));
			cl.fog.colour[1] = atof(Cmd_Argv(3));
			cl.fog.colour[2] = atof(Cmd_Argv(4));
			break;
		}

		if (cls.state == ca_active)
			cl.fog.time += 1;

		//fitz:
		//if (Cmd_Argc() >= 6) cl.fog_time = atof(Cmd_Argv(5));
		//dp:
		if (Cmd_Argc() >= 6) cl.fog.alpha = atof(Cmd_Argv(5));
		if (Cmd_Argc() >= 7) cl.fog.depthbias = atof(Cmd_Argv(6));
		/*
		if (Cmd_Argc() >= 8) cl.fog.end = atof(Cmd_Argv(7));
		if (Cmd_Argc() >= 9) cl.fog.height = atof(Cmd_Argv(8));
		if (Cmd_Argc() >= 10) cl.fog.fadedepth = atof(Cmd_Argv(9));
		*/

		if (Cmd_FromGamecode())
			cl.fog_locked = !!cl.fog.density;
	}
}

void CL_CrashMeEndgame_f(void)
{
	Host_EndGame("crashme!");
}

void CL_Skygroup_f(void);
/*
=================
CL_Init
=================
*/
void CL_Init (void)
{
	extern void CL_Say_f (void);
	extern void CL_SayMe_f (void);
	extern void CL_SayTeam_f (void);
	extern	cvar_t		baseskin;
	extern	cvar_t		noskins;
	char *ver;

	cls.state = ca_disconnected;

#ifdef SVNREVISION
	if (strcmp(STRINGIFY(SVNREVISION), "-"))
		ver = va("%s v%i.%02i %s", DISTRIBUTION, FTE_VER_MAJOR, FTE_VER_MINOR, STRINGIFY(SVNREVISION));
	else
#endif
		ver = va("%s v%i.%02i", DISTRIBUTION, FTE_VER_MAJOR, FTE_VER_MINOR);

	Info_SetValueForStarKey (cls.userinfo[0], "*ver", ver, sizeof(cls.userinfo[0]));
	Info_SetValueForStarKey (cls.userinfo[1], "*ss", "1", sizeof(cls.userinfo[1]));
	Info_SetValueForStarKey (cls.userinfo[2], "*ss", "1", sizeof(cls.userinfo[2]));
	Info_SetValueForStarKey (cls.userinfo[3], "*ss", "1", sizeof(cls.userinfo[3]));

	InitValidation();

	CL_InitInput ();
	CL_InitTEnts ();
	CL_InitPrediction ();
	CL_InitCam ();
	CL_InitDlights();
	PM_Init ();
	TP_Init();

//
// register our commands
//
	CLSCR_Init();
#ifdef MENU_DAT
	MP_RegisterCvarsAndCmds();
#endif
#ifdef CSQC_DAT
	CSQC_RegisterCvarsAndThings();
#endif
	Cvar_Register (&host_speeds, cl_controlgroup);
	Cvar_Register (&developer, cl_controlgroup);

	Cvar_Register (&cfg_save_name, cl_controlgroup);

	Cvar_Register (&cl_sendguid, cl_controlgroup);
	Cvar_Register (&cl_defaultport, cl_controlgroup);
	Cvar_Register (&cl_servername, cl_controlgroup);
	Cvar_Register (&cl_serveraddress, cl_controlgroup);
	Cvar_Register (&cl_demospeed, "Demo playback");
	Cvar_Register (&cl_upspeed, cl_inputgroup);
	Cvar_Register (&cl_forwardspeed, cl_inputgroup);
	Cvar_Register (&cl_backspeed, cl_inputgroup);
	Cvar_Register (&cl_sidespeed, cl_inputgroup);
	Cvar_Register (&cl_movespeedkey, cl_inputgroup);
	Cvar_Register (&cl_yawspeed, cl_inputgroup);
	Cvar_Register (&cl_pitchspeed, cl_inputgroup);
	Cvar_Register (&cl_anglespeedkey, cl_inputgroup);
	Cvar_Register (&cl_shownet,	cl_screengroup);
	Cvar_Register (&cl_sbar,	cl_screengroup);
	Cvar_Register (&cl_pure,	cl_screengroup);
	Cvar_Register (&cl_hudswap,	cl_screengroup);
	Cvar_Register (&cl_maxfps,	cl_screengroup);
	Cvar_Register (&cl_idlefps, cl_screengroup);
	Cvar_Register (&cl_yieldcpu, cl_screengroup);
	Cvar_Register (&cl_timeout, cl_controlgroup);
	Cvar_Register (&lookspring, cl_inputgroup);
	Cvar_Register (&lookstrafe, cl_inputgroup);
	Cvar_Register (&sensitivity, cl_inputgroup);

	Cvar_Register (&m_pitch, cl_inputgroup);
	Cvar_Register (&m_yaw, cl_inputgroup);
	Cvar_Register (&m_forward, cl_inputgroup);
	Cvar_Register (&m_side, cl_inputgroup);

	Cvar_Register (&rcon_password,	cl_controlgroup);
	Cvar_Register (&rcon_address,	cl_controlgroup);

	Cvar_Register (&cl_lerp_players, cl_controlgroup);
	Cvar_Register (&cl_predict_players,	cl_predictiongroup);
	Cvar_Register (&cl_predict_players_frac,	cl_predictiongroup);
	Cvar_Register (&cl_solid_players,	cl_predictiongroup);

#ifdef QUAKESPYAPI
	Cvar_Register (&localid,	cl_controlgroup);
#endif

	Cvar_Register (&cl_muzzleflash, cl_controlgroup);

	Cvar_Register (&baseskin,	"Teamplay");
	Cvar_Register (&noskins,	"Teamplay");
	Cvar_Register (&cl_noblink,	"Console controls");	//for lack of a better group

	Cvar_Register (&cl_item_bobbing, "Item effects");

	Cvar_Register (&cl_staticsounds, "Item effects");

	Cvar_Register (&r_torch, "Item effects");
	Cvar_Register (&r_rocketlight, "Item effects");
	Cvar_Register (&r_lightflicker, "Item effects");
	Cvar_Register (&cl_r2g, "Item effects");
	Cvar_Register (&r_powerupglow, "Item effects");
	Cvar_Register (&v_powerupshell, "Item effects");

	Cvar_Register (&cl_gibfilter, "Item effects");
	Cvar_Register (&cl_deadbodyfilter, "Item effects");

	Cvar_Register (&cl_nolerp, "Item effects");
	Cvar_Register (&cl_nolerp_netquake, "Item effects");

	Cvar_Register (&r_drawflame, "Item effects");

	Cvar_Register (&cl_download_csprogs, cl_controlgroup);
	Cvar_Register (&cl_download_redirection, cl_controlgroup);
	Cvar_Register (&cl_download_packages, cl_controlgroup);

	//
	// info mirrors
	//
	Cvar_Register (&name,						cl_controlgroup);
	Cvar_Register (&password,					cl_controlgroup);
	Cvar_Register (&spectator,					cl_controlgroup);
	Cvar_Register (&skin,						cl_controlgroup);
	Cvar_Register (&model,						cl_controlgroup);
	Cvar_Register (&team,						cl_controlgroup);
	Cvar_Register (&topcolor,					cl_controlgroup);
	Cvar_Register (&bottomcolor,				cl_controlgroup);
	Cvar_Register (&rate,						cl_controlgroup);
	Cvar_Register (&drate,						cl_controlgroup);
	Cvar_Register (&msg,						cl_controlgroup);
	Cvar_Register (&noaim,						cl_controlgroup);
	Cvar_Register (&b_switch,					cl_controlgroup);
	Cvar_Register (&w_switch,					cl_controlgroup);

	Cvar_Register (&cl_nofake,					cl_controlgroup);
	Cvar_Register (&cl_chatsound,					cl_controlgroup);
	Cvar_Register (&cl_enemychatsound,				cl_controlgroup);
	Cvar_Register (&cl_teamchatsound,				cl_controlgroup);

	Cvar_Register (&requiredownloads,				cl_controlgroup);
	Cvar_Register (&cl_standardchat,				cl_controlgroup);
	Cvar_Register (&msg_filter,					cl_controlgroup);
	Cvar_Register (&cl_standardmsg,					cl_controlgroup);
	Cvar_Register (&cl_parsewhitetext,				cl_controlgroup);
	Cvar_Register (&cl_nopext,					cl_controlgroup);
	Cvar_Register (&cl_pext_mask,					cl_controlgroup);

	Cvar_Register (&cl_splitscreen,					cl_controlgroup);

	Cvar_Register (&host_mapname,					"Scripting");

#ifndef SERVERONLY
	Cvar_Register (&cl_loopbackprotocol,				cl_controlgroup);
#endif
	Cvar_Register (&cl_countpendingpl,				cl_controlgroup);
	Cvar_Register (&cl_threadedphysics,				cl_controlgroup);
	Cvar_Register (&hud_tracking_show,				"statusbar");
	Cvar_Register (&cl_download_mapsrc,				cl_controlgroup);

	Cvar_Register (&cl_dlemptyterminate,				cl_controlgroup);

	Cvar_Register (&cl_gunx,					cl_controlgroup);
	Cvar_Register (&cl_guny,					cl_controlgroup);
	Cvar_Register (&cl_gunz,					cl_controlgroup);

	Cvar_Register (&cl_gunanglex,					cl_controlgroup);
	Cvar_Register (&cl_gunangley,					cl_controlgroup);
	Cvar_Register (&cl_gunanglez,					cl_controlgroup);

	Cvar_Register (&ruleset_allow_playercount,			cl_controlgroup);
	Cvar_Register (&ruleset_allow_frj,				cl_controlgroup);
	Cvar_Register (&ruleset_allow_semicheats,			cl_controlgroup);
	Cvar_Register (&ruleset_allow_packet,				cl_controlgroup);
	Cvar_Register (&ruleset_allow_particle_lightning,		cl_controlgroup);
	Cvar_Register (&ruleset_allow_overlongsounds,			cl_controlgroup);
	Cvar_Register (&ruleset_allow_larger_models,			cl_controlgroup);
	Cvar_Register (&ruleset_allow_modified_eyes,			cl_controlgroup);
	Cvar_Register (&ruleset_allow_sensitive_texture_replacements,	cl_controlgroup);
	Cvar_Register (&ruleset_allow_localvolume,			cl_controlgroup);
	Cvar_Register (&ruleset_allow_shaders,			cl_controlgroup);
	Cvar_Register (&ruleset_allow_fbmodels,			cl_controlgroup);

	Cvar_Register (&qtvcl_forceversion1,				cl_controlgroup);
	Cvar_Register (&qtvcl_eztvextensions,				cl_controlgroup);
//#ifdef WEBCLIENT
//	Cmd_AddCommand ("ftp", CL_FTP_f);
//#endif

	Cmd_AddCommandD ("changing", CL_Changing_f, "Part of network protocols. This command should not be used manually.");
	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 ("qtvplay", CL_QTVPlay_f);
	Cmd_AddCommand ("qtvlist", CL_QTVList_f);
	Cmd_AddCommand ("qtvdemos", CL_QTVDemos_f);
	Cmd_AddCommand ("demo_jump", CL_DemoJump_f);
	Cmd_AddCommand ("timedemo", CL_TimeDemo_f);
	Cmd_AddCommand ("crashme_endgame", CL_CrashMeEndgame_f);

	Cmd_AddCommandD ("showpic", SCR_ShowPic_Script_f, 	"showpic <imagename> <placename> <x> <y> <zone> [width] [height] [touchcommand]\nDisplays an image onscreen.");

	Cmd_AddCommand ("startdemos", CL_Startdemos_f);
	Cmd_AddCommand ("demos", CL_Demos_f);
	Cmd_AddCommand ("stopdemo", CL_Stopdemo_f);

	Cmd_AddCommand ("skins", Skin_Skins_f);
	Cmd_AddCommand ("allskins", Skin_AllSkins_f);

	Cmd_AddCommand ("quit", CL_Quit_f);

	Cmd_AddCommandD ("connect", CL_Connect_f, "connect scheme://address:port\nConnect to a server. Use a scheme of tcp:// or tls:// to connect via non-udp protocols."
#if defined(NQPROT) || defined(Q2CLIENT) || defined(Q3CLIENT)
		"\nDefault port is port 27500."
#ifdef NQPROT
		" NQ:"STRINGIFY(PORT_NQSERVER)"."
#endif
		" QW:"STRINGIFY(PORT_QWSERVER)"."
#ifdef Q2CLIENT
		" Q2:"STRINGIFY(PORT_Q2SERVER)"."
#endif
#ifdef Q3CLIENT
		" Q3:"STRINGIFY(PORT_Q3SERVER)"."
#endif
#endif
		);
	Cmd_AddCommandD ("cl_transfer", CL_Transfer_f, "Connect to a different server, disconnecting from the current server only when the new server replies.");
#ifdef TCPCONNECT
	Cmd_AddCommandD ("tcpconnect", CL_TCPConnect_f, "Connect to a server using the tcp:// prefix");
#endif
#ifdef IRCCONNECT
	Cmd_AddCommand ("ircconnect", CL_IRCConnect_f);
#endif
#ifdef NQPROT
	Cmd_AddCommandD ("nqconnect", CLNQ_Connect_f, "Connects to the specified server, defaulting to port "STRINGIFY(PORT_NQSERVER)".");
#endif
	Cmd_AddCommand ("reconnect", CL_Reconnect_f);
	Cmd_AddCommand ("join", CL_Join_f);
	Cmd_AddCommand ("observe", CL_Observe_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 ("dlsize", CL_DownloadSize_f);

	Cmd_AddCommand ("nextul", CL_NextUpload);
	Cmd_AddCommand ("stopul", CL_StopUpload);

	Cmd_AddCommand ("skipdl", CL_SkipDownload_f);
	Cmd_AddCommand ("finishdl", CL_FinishDownload_f);

//
// forward to server commands
//
	Cmd_AddCommand ("god", NULL);	//cheats
	Cmd_AddCommand ("give", NULL);
	Cmd_AddCommand ("noclip", NULL);
	Cmd_AddCommand ("notarget", NULL);
	Cmd_AddCommand ("fly", NULL);
	Cmd_AddCommand ("setpos", NULL);

	Cmd_AddCommand ("topten", NULL);

	Cmd_AddCommand ("fog", CL_Fog_f);
	Cmd_AddCommand ("kill", NULL);
	Cmd_AddCommand ("pause", NULL);
	Cmd_AddCommand ("say", CL_Say_f);
	Cmd_AddCommand ("me", CL_SayMe_f);
	Cmd_AddCommand ("sayone", CL_Say_f);
	Cmd_AddCommand ("say_team", CL_SayTeam_f);
#ifdef CLIENTONLY
	Cmd_AddCommand ("serverinfo", NULL);
#else
	Cmd_AddCommand ("serverinfo", CL_ServerInfo_f);
#endif

	Cmd_AddCommand ("skygroup", CL_Skygroup_f);
//
//  Windows commands
//
#if defined(_WIN32) && !defined(WINRT)
	Cmd_AddCommand ("windows", CL_Windows_f);
#endif

	Ignore_Init();
}


/*
================
Host_EndGame

Call this to drop to a console without exiting the qwcl
================
*/
void VARGS Host_EndGame (char *message, ...)
{
	va_list		argptr;
	char		string[1024];

	SCR_EndLoadingPlaque();

	va_start (argptr,message);
	vsnprintf (string,sizeof(string)-1, message,argptr);
	va_end (argptr);
	Con_TPrintf ("^&C0Host_EndGame: %s\n", string);
	Con_Printf ("\n");

	SCR_EndLoadingPlaque();

	CL_Disconnect ();

	SV_UnspawnServer();
	connectinfo.trying = false;

	Cvar_Set(&cl_shownet, "0");

	longjmp (host_abort, 1);
}

/*
================
Host_Error

This shuts down the client and exits qwcl
================
*/
void VARGS 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);
	vsnprintf (string,sizeof(string)-1, error,argptr);
	va_end (argptr);
	Con_TPrintf ("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)
{
	vfsfile_t	*f;
	char savename[MAX_OSPATH];
	char sysname[MAX_OSPATH];

	if (host_initialized && cfg_save_name.string && *cfg_save_name.string)
	{
		if (strchr(cfg_save_name.string, '.'))
		{
			Con_TPrintf ("Couldn't write config.cfg.\n");
			return;
		}

		Q_snprintfz(savename, sizeof(savename), "%s.cfg", cfg_save_name.string);

		f = FS_OpenVFS(savename, "wb", FS_GAMEONLY);
		if (!f)
		{
			Con_TPrintf ("Couldn't write config.cfg.\n");
			return;
		}

		Key_WriteBindings (f);
		Cvar_WriteVariables (f, false);

		VFS_CLOSE (f);

		FS_NativePath(savename, FS_GAMEONLY, sysname, sizeof(sysname));
		Con_Printf("Wrote %s\n", savename);
	}
}


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

#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

void Host_RunFileNotify(struct dl_download *dl)
{
	if (dl->file)
	{
		Host_RunFile(dl->url, strlen(dl->url), dl->file);
		dl->file = NULL;
	}
}

#include "fs.h"
#define HRF_OVERWRITE	(1<<0)
#define HRF_NOOVERWRITE	(1<<1)
#define HRF_ABORT		(1<<3)
#define HRF_OPENED		(1<<4)

#define HRF_DEMO_MVD	(1<<8)
#define HRF_DEMO_QWD	(1<<9)
#define HRF_DEMO_DM2	(1<<10)
#define HRF_DEMO_DEM	(1<<11)

#define HRF_QTVINFO		(1<<12)
#define HRF_MANIFEST	(1<<13)
#define HRF_BSP			(1<<14)
#define HRF_PACKAGE		(1<<15)

#define HRF_ACTION (HRF_OVERWRITE|HRF_NOOVERWRITE|HRF_ABORT)
#define HRF_DEMO		(HRF_DEMO_MVD|HRF_DEMO_QWD|HRF_DEMO_DM2|HRF_DEMO_DEM)
#define HRF_FILETYPES	(HRF_DEMO|HRF_QTVINFO|HRF_MANIFEST|HRF_BSP|HRF_PACKAGE)
typedef struct {
	unsigned int flags;
	vfsfile_t *srcfile;
	vfsfile_t *dstfile;
	char fname[1];	//system path or url.
} hrf_t;

int waitingformanifest;
void Host_DoRunFile(hrf_t *f);
void CL_PlayDemoStream(vfsfile_t *file, struct dl_download *, char *filename, int demotype, float bufferdelay);
void CL_ParseQTVDescriptor(vfsfile_t *f, const char *name);

void Host_RunFileDownloaded(struct dl_download *dl)
{
	//fixme: sort out flags from mime type....
	hrf_t *f = dl->user_ctx;
	f->srcfile = dl->file;
	dl->file = NULL;

	Host_DoRunFile(f);
}
void Host_BeginFileDownload(struct dl_download *dl, char *mimetype)
{
	//at this point the file is still downloading, so don't copy it out just yet.
	hrf_t *f = dl->user_ctx;

	if (mimetype && !(f->flags & HRF_FILETYPES))
	{
		if (!strcmp(mimetype, "application/x-qtv"))	//what uses this?
			f->flags |= HRF_QTVINFO;
		else if (!strcmp(mimetype, "text/x-quaketvident"))
			f->flags |= HRF_QTVINFO;
		else if (!strcmp(mimetype, "application/x-ftemanifest"))
			f->flags |= HRF_MANIFEST;
		else if (!strcmp(mimetype, "application/x-multiviewdemo"))
			f->flags |= HRF_DEMO_MVD;
//		else if (!strcmp(mimetype, "application/x-ftebsp"))
//			f->flags |= HRF_BSP;
//		else if (!strcmp(mimetype, "application/x-ftepackage"))
//			f->flags |= HRF_PACKAGE;
	}

	if (!(f->flags & HRF_FILETYPES))
	{
		char *ext = COM_FileExtension(f->fname);
		if (!strcmp(ext, "qwd"))
			f->flags |= HRF_DEMO_QWD;
		else if (!strcmp(ext, "mvd"))
			f->flags |= HRF_DEMO_MVD;
		else if (!strcmp(ext, "dm2"))
			f->flags |= HRF_DEMO_DM2;
		else if (!strcmp(ext, "dem"))
			f->flags |= HRF_DEMO_DEM;
		else if (!strcmp(ext, "qtv"))
			f->flags |= HRF_QTVINFO;
		else if (!strcmp(ext, "fmf"))
			f->flags |= HRF_MANIFEST;
		else if (!strcmp(ext, "bsp"))
			f->flags |= HRF_BSP;
		else if (!strcmp(ext, "pak") || !strcmp(ext, "pk3"))
			f->flags |= HRF_PACKAGE;
		else
		{
			//file type not guessable from extension either.
			f->flags |= HRF_ABORT;
			Host_DoRunFile(f);
			return;
		}

		if (f->flags & HRF_MANIFEST)
			waitingformanifest++;
	}

	if (f->flags & HRF_DEMO_QWD)
		CL_PlayDemoStream((dl->file = VFSPIPE_Open()), dl, f->fname, DPB_QUAKEWORLD, 0);
	else if (f->flags & HRF_DEMO_MVD)
		CL_PlayDemoStream((dl->file = VFSPIPE_Open()), dl, f->fname, DPB_MVD, 0);
#ifdef Q2CLIENT
	else if (f->flags & HRF_DEMO_DM2)
		CL_PlayDemoStream((dl->file = VFSPIPE_Open()), dl, f->fname, DPB_QUAKE2, 0);
#endif
#ifdef NQPROT
//fixme: the demo code can't handle the cd track like this.
//	else if (f->flags & HRF_DEMO_DEM)
//		CL_PlayDemoStream((dl->file = VFSPIPE_Open()), dl, f->fname, DPB_NETQUAKE, 0);
#endif
	else if (f->flags & (HRF_MANIFEST | HRF_QTVINFO))
	{
		//just use a pipe instead of a temp file, working around an issue with temp files on android
		dl->file = VFSPIPE_Open();
		return;
	}
	else if (f->flags & HRF_DEMO)
		Con_Printf("%s: format not supported\n", f->fname);	//demos that are not supported in this build for one reason or another
	else
		return;

	f->flags |= HRF_ABORT;
	Host_DoRunFile(f);
	return;
}
void Host_RunFilePrompted(void *ctx, int button)
{
	hrf_t *f = ctx;
	switch(button)
	{
	case 0:
		f->flags |= HRF_OVERWRITE;
		break;
	case 1:
		f->flags |= HRF_NOOVERWRITE;
		break;
	default:
		f->flags |= HRF_ABORT;
		break;
	}
	Host_DoRunFile(f);
}

void Host_DoRunFile(hrf_t *f)
{
	char qname[MAX_QPATH];
	char displayname[MAX_QPATH];
	char loadcommand[MAX_OSPATH];
	qboolean isnew = false;
	qboolean haschanged = false;
	
	if (f->flags & HRF_ABORT)
	{
		if (f->flags & HRF_MANIFEST)
			waitingformanifest--;

		if (f->srcfile)
			VFS_CLOSE(f->srcfile);
		if (f->dstfile)
			VFS_CLOSE(f->dstfile);
		Z_Free(f);
		return;
	}

	if (!(f->flags & HRF_FILETYPES))
	{
		char *ext;

#ifdef WEBCLIENT
		if ((!strncmp(f->fname, "http://", 7) || !strncmp(f->fname, "https://", 8)) && !f->srcfile)
		{
			if (!(f->flags & HRF_OPENED))
			{
				struct dl_download *dl;
				f->flags |= HRF_OPENED;
				dl = HTTP_CL_Get(f->fname, NULL, Host_RunFileDownloaded);
				dl->notifystarted = Host_BeginFileDownload;
				dl->user_ctx = f;
				return;
			}
		}
#endif

		//if we get here, we have no mime type to give us any clues.
		ext = COM_FileExtension(f->fname);
		if (!strcmp(ext, "qwd"))
			f->flags |= HRF_DEMO_QWD;
		else if (!strcmp(ext, "mvd"))
			f->flags |= HRF_DEMO_MVD;
		else if (!strcmp(ext, "dm2"))
			f->flags |= HRF_DEMO_DM2;
		else if (!strcmp(ext, "dem"))
			f->flags |= HRF_DEMO_DEM;
		else if (!strcmp(ext, "qtv"))
			f->flags |= HRF_QTVINFO;
		else if (!strcmp(ext, "fmf"))
			f->flags |= HRF_MANIFEST;
		else if (!strcmp(ext, "bsp"))
			f->flags |= HRF_BSP;
		else if (!strcmp(ext, "pak") || !strcmp(ext, "pk3"))
			f->flags |= HRF_PACKAGE;

		//if we still don't know what it is, give up.
		if (!(f->flags & HRF_FILETYPES))
		{
			f->flags |= HRF_ABORT;
			Host_DoRunFile(f);
			return;
		}

		if (f->flags & HRF_MANIFEST)
			waitingformanifest++;
	}

	if (f->flags & HRF_DEMO)
	{
		//play directly via system path, no prompts needed
		Cbuf_AddText(va("playdemo \"#%s\"\n", f->fname), RESTRICT_LOCAL);

		f->flags |= HRF_ABORT;
		Host_DoRunFile(f);
		return;
	}
	else if (f->flags & HRF_BSP)
	{
		char shortname[MAX_QPATH];
		COM_StripExtension(COM_SkipPath(f->fname), shortname, sizeof(shortname));
		snprintf(qname, sizeof(qname), "maps/%s.bsp", shortname);
		snprintf(loadcommand, sizeof(loadcommand), "map \"%s\"\n", shortname);
		snprintf(displayname, sizeof(displayname), "map: %s", shortname);
	}
	else if (f->flags & HRF_PACKAGE)
	{
		char *shortname;
		shortname = COM_SkipPath(f->fname);
		snprintf(qname, sizeof(qname), "%s", shortname);
		snprintf(loadcommand, sizeof(loadcommand), "fs_restart\n");
		snprintf(displayname, sizeof(displayname), "package: %s", shortname);
	}
	else if (f->flags & HRF_MANIFEST)
	{
		if (f->flags & HRF_OPENED)
		{
			if (f->srcfile)
			{
				ftemanifest_t *man;
				int len = VFS_GETLEN(f->srcfile);
				char *fdata = BZ_Malloc(len+1);
				VFS_READ(f->srcfile, fdata, len);
				fdata[len] = 0;
				man = FS_Manifest_Parse(NULL, fdata);
				if (!man->updateurl)
					man->updateurl = Z_StrDup(f->fname);
				BZ_Free(fdata);
				FS_ChangeGame(man, true);

				f->flags |= HRF_ABORT;
				Host_DoRunFile(f);
				return;
			}
		}
	}
	else if (!(f->flags & HRF_QTVINFO))
	{
		f->flags |= HRF_ABORT;
		Host_DoRunFile(f);
		return;
	}

	//at this point we need the file to have been opened.
	if (!(f->flags & HRF_OPENED))
	{
		f->flags |= HRF_OPENED;
		if (!f->srcfile)
		{
#ifdef WEBCLIENT
			if (!strncmp(f->fname, "http://", 7))
			{
				struct dl_download *dl = HTTP_CL_Get(f->fname, NULL, Host_RunFileDownloaded);
				dl->notifystarted = Host_BeginFileDownload;
				dl->user_ctx = f;
				return;
			}
#endif
			f->srcfile = VFSOS_Open(f->fname, "rb");	//input file is a system path, or something.
		}
	}

	if (!f->srcfile)
	{
		Con_Printf("Unable to open %s\n", f->fname);
		f->flags |= HRF_ABORT;
		Host_DoRunFile(f);
		return;
	}

	if (f->flags & HRF_MANIFEST)
	{
		Host_DoRunFile(f);
		return;
	}

	if (f->flags & HRF_QTVINFO)
	{
		//pass the file object to the qtv code instead of trying to install it.
		CL_ParseQTVDescriptor(f->srcfile, f->fname);
		f->srcfile = NULL;

		f->flags |= HRF_ABORT;
		Host_DoRunFile(f);
		return;
	}

	VFS_SEEK(f->srcfile, 0);

	f->dstfile = FS_OpenVFS(qname, "rb", FS_GAME);
	if (f->dstfile)
	{
		//do a real diff.
		if (f->srcfile->seekingisabadplan || VFS_GETLEN(f->srcfile) != VFS_GETLEN(f->dstfile))
		{
			//if we can't seek, or the sizes differ, just assume that the file is modified.
			haschanged = true;
		}
		else
		{
			int len = VFS_GETLEN(f->srcfile);
			char sbuf[8192], dbuf[8192];
			if (len > sizeof(sbuf))
				len = sizeof(sbuf);
			VFS_READ(f->srcfile, sbuf, len);
			VFS_READ(f->dstfile, dbuf, len);
			haschanged = memcmp(sbuf, dbuf, len);
			VFS_SEEK(f->srcfile, 0);
		}
		VFS_CLOSE(f->dstfile);
		f->dstfile = NULL;
	}
	else
		isnew = true;

	if (haschanged)
	{
		if (!(f->flags & HRF_ACTION))
		{
			M_Menu_Prompt(Host_RunFilePrompted, f, "File already exists.", "What would you like to do?", displayname, "Overwrite", "Run old", "Cancel");
			return;
		}
	}
	else if (isnew)
	{
		if (!(f->flags & HRF_ACTION))
		{
			M_Menu_Prompt(Host_RunFilePrompted, f, "File appears new.", "Would you like to install", displayname, "Install!", "", "Cancel");
			return;
		}
	}

	if (f->flags & HRF_OVERWRITE)
	{
		char buffer[8192];
		int len;
		f->dstfile = FS_OpenVFS(qname, "wb", FS_GAMEONLY);
		if (f->dstfile)
		{
			while(1)
			{
				len = VFS_READ(f->srcfile, buffer, sizeof(buffer));
				if (len <= 0)
					break;
				VFS_WRITE(f->dstfile, buffer, len);
			}
			VFS_CLOSE(f->dstfile);
			f->dstfile = NULL;
		}
	}

	Cbuf_AddText(loadcommand, RESTRICT_LOCAL);

	f->flags |= HRF_ABORT;
	Host_DoRunFile(f);
	return;
}

//only valid once the host has been initialised, as it needs a working filesystem.
//if file is specified, takes full ownership of said file, including destruction.
qboolean Host_RunFile(const char *fname, int nlen, vfsfile_t *file)
{
	hrf_t *f;
#if defined(_WIN32) && !defined(FTE_SDL) && !defined(WINRT)
	//win32 file urls are basically fucked, so defer to the windows api.
	char utf8[MAX_OSPATH*3];
	if (nlen >= 7 && !strncmp(fname, "file://", 7))
	{
		qboolean Sys_ResolveFileURL(const char *inurl, int inlen, char *out, int outlen);
		if (!Sys_ResolveFileURL(fname, nlen, utf8, sizeof(utf8)))
		{
			Con_Printf("Cannot resolve file url\n");
			return false;
		}
		fname = utf8;
		nlen = strlen(fname);
	}
#else
	//unix file urls are fairly consistant.
	if (nlen >= 8 && !strncmp(fname, "file:///", 8))
	{
		fname += 7;
		nlen -= 7;
	}
#endif

	f = Z_Malloc(sizeof(*f) + nlen);
	memcpy(f->fname, fname, nlen);
	f->fname[nlen] = 0;

	Con_Printf("Opening external file: %s\n", f->fname);

	Host_DoRunFile(f);
	return true;
}

/*
==================
Host_Frame

Runs all active servers
==================
*/
extern cvar_t cl_netfps;
extern cvar_t cl_sparemsec;

int		nopacketcount;
void SNDDMA_SetUnderWater(qboolean underwater);
double Host_Frame (double time)
{
	static double		time0 = 0;
	static double		time1 = 0;
	static double		time2 = 0;
	static double		time3 = 0;
	int			pass0, pass1, pass2, pass3;
//	float fps;
	double newrealtime;
	static double spare;
	float maxfps;
	qboolean maxfpsignoreserver;
	qboolean idle;
	extern qboolean r_blockvidrestart;

	RSpeedLocals();

	if (setjmp (host_abort) )
	{
		return 0;			// something bad happened, or the server disconnected
	}

	newrealtime = Media_TweekCaptureFrameTime(realtime, time);

	time = newrealtime - realtime;
	realtime = newrealtime;

	if (oldrealtime > realtime)
		oldrealtime = 0;

	if (cl.gamespeed<0.1)
		cl.gamespeed = 1;
	time *= cl.gamespeed;

#ifdef WEBCLIENT
//	FTP_ClientThink();
	HTTP_CL_Think();
#endif

	if (r_blockvidrestart)
	{
		if (waitingformanifest)
			return 0.1;
		Host_FinishLoading();
		return 0;
	}

#ifdef PLUGINS
	Plug_Tick();
#endif
	NET_Tick();

	if (cl.paused)
		cl.gametimemark += time;

	idle = (cls.state == ca_disconnected) || 
#ifdef VM_UI
		UI_MenuState() != 0 || 
#endif
		Key_Dest_Has(kdm_menu) || 
		Key_Dest_Has(kdm_editor) ||
		cl.paused;
	// TODO: check if minimized or unfocused

	if (idle && cl_idlefps.value > 0)
	{
		double idlesec = 1.0 / cl_idlefps.value;
		if (idlesec > 0.1)
			idlesec = 0.1; // limit to at least 10 fps
		if ((realtime - oldrealtime) < idlesec)
		{
#ifndef CLIENTONLY
			if (sv.state)
			{
				RSpeedRemark();
				SV_Frame();
				RSpeedEnd(RSPEED_SERVER);
			}
#endif
			return idlesec - (realtime - oldrealtime);
		}
	}

/*
	if (cl_maxfps.value)
		fps = cl_maxfps.value;//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

	*/
	Mod_Think();	//think even on idle (which means small walls and a fast cpu can get more surfaces done.

	if ((cl_netfps.value>0 || cls.demoplayback || cl_threadedphysics.ival))
	{	//limit the fps freely, and expect the netfps to cope.
		maxfpsignoreserver = true;
		maxfps = cl_maxfps.ival;
	}
	else
	{
		maxfpsignoreserver = false;
		maxfps = (cl_maxfps.ival>0||cls.protocol!=CP_QUAKEWORLD)?cl_maxfps.value:((cl_netfps.value>0)?cl_netfps.value:cls.maxfps);
		/*gets buggy at times longer than 250ms (and 0/negative, obviously)*/
		if (maxfps < 4)
			maxfps = 4;
	}

	if (vid.isminimized && (maxfps <= 0 || maxfps > 10))
		maxfps = 10;

	if (maxfps > 0 
#if !defined(NOMEDIA)
		&& Media_Capturing() != 2
#endif
		)
	{
//		realtime += spare/1000;	//don't use it all!
		spare = CL_FilterTime((realtime - oldrealtime)*1000, maxfps, maxfpsignoreserver);
		if (!spare)
			return (cl_yieldcpu.ival || vid.isminimized)? (1.0 / maxfps - (realtime - oldrealtime)) : 0;
		if (spare < 0 || cls.state < ca_onserver)
			spare = 0;	//uncapped.
		if (spare > cl_sparemsec.ival)
			spare = cl_sparemsec.ival;

//		realtime -= spare/1000;	//don't use it all!
	}
	else
		spare = 0;

	host_frametime = (realtime - oldrealtime)*cl.gamespeed;
	if (!cl.paused)
	{
		cl.matchgametime += host_frametime;
	}
	oldrealtime = realtime;

	CL_ProgressDemoTime();


#if defined(Q2CLIENT)
	if (cls.protocol == CP_QUAKE2)
		cl.time += host_frametime;
#endif


//	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 ();

#ifndef CLIENTONLY
	if (isDedicated)	//someone changed it.
		return 0;
#endif

	cls.framecount++;

	RSpeedRemark();

	CL_UseIndepPhysics(!!cl_threadedphysics.ival);

	cl.do_lerp_players = cl_lerp_players.ival || (cls.demoplayback==DPB_MVD || cls.demoplayback == DPB_EZTV) || (cls.demoplayback && !cl_nolerp.ival);
	CL_AllowIndependantSendCmd(false);

	// fetch results from server
	CL_ReadPackets ();

	// send intentions now
	// resend a connection request if necessary
	if (cls.state == ca_disconnected)
	{
		CL_SendCmd (host_frametime, true);
//		IN_Move(NULL, 0, time);
		CL_CheckForResend ();

#ifdef VOICECHAT
		S_Voip_Transmit(0, NULL);
#endif
	}
	else
	{
		if (connectinfo.trying)
			CL_CheckForResend ();
		CL_SendCmd (cl.gamespeed?host_frametime/cl.gamespeed:host_frametime, true);

		if (cls.state == ca_onserver && cl.validsequence && cl.worldmodel)
		{	// first update is the final signon stage
			if (cls.protocol == CP_NETQUAKE)
			{
				//nq can send 'frames' without any entities before we're on the server, leading to short periods where the local player's position is not known. this is bad. so be more cautious with nq. this might break csqc.
				CL_TransitionEntities();
				if (cl.currentpackentities->num_entities)
					CL_MakeActive("Quake");
			}
			else
				CL_MakeActive("QuakeWorld");
		}
	}
	CL_AllowIndependantSendCmd(true);

	RSpeedEnd(RSPEED_PROTOCOL);

	if (host_speeds.ival)
		time0 = Sys_DoubleTime ();

#ifndef CLIENTONLY
	if (sv.state)
	{
		float ohft = host_frametime;
		RSpeedRemark();
		SV_Frame();
		RSpeedEnd(RSPEED_SERVER);
		host_frametime = ohft;
//		if (cls.protocol != CP_QUAKE3 && cls.protocol != CP_QUAKE2)
//			CL_ReadPackets ();	//q3's cgame cannot cope with input commands with the same time as the most recent snapshot value
	}
#endif
	CL_CalcClientTime();

	// update video
	if (host_speeds.ival)
		time1 = Sys_DoubleTime ();

	r_refdef.audio.defaulted = true;
	VectorClear(r_refdef.audio.origin);
	VectorSet(r_refdef.audio.forward, 1, 0, 0);
	VectorSet(r_refdef.audio.right, 0, 1, 0);
	VectorSet(r_refdef.audio.up, 0, 0, 1);
	r_refdef.audio.inwater = false;

	if (SCR_UpdateScreen && !vid.isminimized)
	{
		extern cvar_t scr_chatmodecvar;

		if (scr_chatmodecvar.ival && !cl.intermission)
			scr_chatmode = (cl.spectator&&cl.splitclients<2&&cls.state == ca_active)?2:1;
		else
			scr_chatmode = 0;

		SCR_UpdateScreen ();
	}

	if (host_speeds.ival)
		time2 = Sys_DoubleTime ();

	// update audio
	S_UpdateListener (r_refdef.audio.origin, r_refdef.audio.forward, r_refdef.audio.right, r_refdef.audio.up);
	S_SetUnderWater(r_refdef.audio.inwater);

	S_Update ();

	CDAudio_Update();

	if (host_speeds.ival)
	{
		pass0 = (time0 - time3)*1000000;
		time3 = Sys_DoubleTime ();
		pass1 = (time1 - time0)*1000000;
		pass2 = (time2 - time1)*1000000;
		pass3 = (time3 - time2)*1000000;
		Con_Printf ("%4i tot %4i idle %4i server %4i gfx %4i snd\n",
					pass0+pass1+pass2+pass3, pass0, pass1, pass2, pass3);
	}


	IN_Commands ();

	// process console commands
	Cbuf_Execute ();

	CL_RequestNextDownload();


	CL_QTVPoll();

	TP_UpdateAutoStatus();

	fps_count++;
	host_framecount++;
	return 0;
}

static void simple_crypt(char *buf, int len)
{
	if (!(*buf & 128))
		return;
	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);
}



#ifdef Q3CLIENT
void CL_ReadCDKey(void)
{	//q3 cdkey
	//you don't need one, just use a server without sv_strictauth set to 0.
	char *buffer;
	buffer = COM_LoadTempFile("q3key");
	if (buffer)	//a cdkey is meant to be 16 chars
	{
		char *chr;
		for (chr = buffer; *chr; chr++)
		{
			if (*(unsigned char*)chr < ' ')
			{
				*chr = '\0';	//don't get more than one line.
				break;
			}
		}
		Cvar_Get("cl_cdkey", buffer, CVAR_LATCH|CVAR_NOUNSAFEEXPAND, "Q3 compatability");
	}
}
#endif

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


void CL_StartCinematicOrMenu(void)
{
	//start up the ui now we have a renderer
#ifdef VM_UI
	UI_Start();
#endif

	Con_TPrintf ("^Ue080^Ue081^Ue081^Ue081^Ue081^Ue081^Ue081 %s Initialized ^Ue081^Ue081^Ue081^Ue081^Ue081^Ue081^Ue082\n", *fs_gamename.string?fs_gamename.string:"Nothing");

	//there might be some console command or somesuch waiting for the renderer to begin (demos or map command or whatever all need model support).
	realtime+=1;
	Cbuf_Execute ();	//server may have been waiting for the renderer

	//and any startup cinematics
#ifndef NOMEDIA
#ifndef CLIENTONLY
	if (!sv.state)
#endif
	if (!cls.demoinfile && !cls.state && !*cls.servername && !Media_PlayingFullScreen())
	{
		int ol_depth;
		int idcin_depth;
		int idroq_depth;

		idcin_depth = COM_FDepthFile("video/idlog.cin", true);	//q2
		idroq_depth = COM_FDepthFile("video/idlogo.roq", true);	//q3
		ol_depth = COM_FDepthFile("video/openinglogos.roq", true);	//jk2

		if (ol_depth != 0x7fffffff && (ol_depth <= idroq_depth || ol_depth <= idcin_depth))
			Media_PlayFilm("video/openinglogos.roq", true);
		else if (idroq_depth != 0x7fffffff && idroq_depth <= idcin_depth)
			Media_PlayFilm("video/idlogo.roq", true);
		else if (idcin_depth != 0x7fffffff)
			Media_PlayFilm("video/idlog.cin", true);

		//and for fun:
		if (COM_FCheckExists("data/local/video/New_Bliz640x480.bik"))
			Media_PlayFilm("av:data/local/video/New_Bliz640x480.bik", true);
		if (COM_FCheckExists("data/local/video/BlizNorth640x480.bik"))
			Media_PlayFilm("av:data/local/video/BlizNorth640x480.bik", true);
		if (COM_FCheckExists("data/local/video/eng/d2intro640x292.bik"))
			Media_PlayFilm("av:data/local/video/eng/d2intro640x292.bik", true);
		if (COM_FCheckExists("Data/Local/Video/ENG/D2x_Intro_640x292.bik"))
			Media_PlayFilm("av:Data/Local/Video/ENG/D2x_Intro_640x292.bik", true);
	}
#endif

	if (!cls.demoinfile && !cls.state && !*cls.servername && !Media_PlayingFullScreen())
	{
#ifndef CLIENTONLY
		if (!sv.state)
#endif
		{
			if (qrenderer > QR_NONE && !m_state)
				M_ToggleMenu_f();
			//Con_ForceActiveNow();
		}
	}
}

void CL_ArgumentOverrides(void)
{
	int i;
	if (COM_CheckParm ("-window") || COM_CheckParm ("-startwindowed"))
		Cvar_Set(Cvar_FindVar("vid_fullscreen"), "0");
	if (COM_CheckParm ("-fullscreen"))
		Cvar_Set(Cvar_FindVar("vid_fullscreen"), "1");

	if ((i = COM_CheckParm ("-width")))	//width on it's own also sets height
	{
		Cvar_Set(Cvar_FindVar("vid_width"), com_argv[i+1]);
		Cvar_SetValue(Cvar_FindVar("vid_height"), (atoi(com_argv[i+1])/4)*3);
	}
	if ((i = COM_CheckParm ("-height")))
		Cvar_Set(Cvar_FindVar("vid_height"), com_argv[i+1]);

	if ((i = COM_CheckParm ("-conwidth")))	//width on it's own also sets height
	{
		Cvar_Set(Cvar_FindVar("vid_conwidth"), com_argv[i+1]);
		Cvar_SetValue(Cvar_FindVar("vid_conheight"), (atoi(com_argv[i+1])/4)*3);
	}
	if ((i = COM_CheckParm ("-conheight")))
		Cvar_Set(Cvar_FindVar("vid_conheight"), com_argv[i+1]);

	if ((i = COM_CheckParm ("-bpp")))
		Cvar_Set(Cvar_FindVar("vid_bpp"), com_argv[i+1]);

	if (COM_CheckParm ("-current"))
		Cvar_Set(Cvar_FindVar("vid_desktopsettings"), "1");

	if (COM_CheckParm("-condebug"))
		Cvar_Set(Cvar_FindVar("log_enable"), "1");
}

//note that this does NOT include commandline.
void CL_ExecInitialConfigs(char *resetcommand)
{
	int qrc, hrc, def;

	Cbuf_Execute ();	//make sure any pending console commands are done with. mostly, anyway...
	SCR_ShowPic_Clear(true);

	Cbuf_AddText("unbindall\n", RESTRICT_LOCAL);
	Cbuf_AddText("cl_warncmd 0\n", RESTRICT_LOCAL);
	Cbuf_AddText("cvar_purgedefaults\n", RESTRICT_LOCAL);	//reset cvar defaults to their engine-specified values. the tail end of 'exec default.cfg' will update non-cheat defaults to mod-specified values.
	Cbuf_AddText("cvarreset *\n", RESTRICT_LOCAL);			//reset all cvars to their current (engine) defaults
	Cbuf_AddText(resetcommand, RESTRICT_LOCAL);
	Cbuf_AddText("\n", RESTRICT_LOCAL);

	//who should we imitate?
	qrc = COM_FDepthFile("quake.rc", true);	//q1
	hrc = COM_FDepthFile("hexen.rc", true);	//h2
	def = COM_FDepthFile("default.cfg", true);	//q2/q3

	if (qrc <= def && qrc <= hrc && qrc!=0x7fffffff)
		Cbuf_AddText ("exec quake.rc\n", RESTRICT_LOCAL);
	else if (hrc <= def && hrc!=0x7fffffff)
		Cbuf_AddText ("exec hexen.rc\n", RESTRICT_LOCAL);
	else
	{	//they didn't give us an rc file!
		Cbuf_AddText ("bind ` toggleconsole\n", RESTRICT_LOCAL);	//in case default.cfg does not exist. :(
		Cbuf_AddText ("exec default.cfg\n", RESTRICT_LOCAL);
		if (COM_FCheckExists ("config.cfg"))
			Cbuf_AddText ("exec config.cfg\n", RESTRICT_LOCAL);
		if (COM_FCheckExists ("q3config.cfg"))
			Cbuf_AddText ("exec q3config.cfg\n", RESTRICT_LOCAL);
		Cbuf_AddText ("exec autoexec.cfg\n", RESTRICT_LOCAL);
	}
	Cbuf_AddText ("exec fte.cfg\n", RESTRICT_LOCAL);
#ifdef QUAKESPYAPI
	if (COM_FCheckExists ("frontend.cfg"))
		Cbuf_AddText ("exec frontend.cfg\n", RESTRICT_LOCAL);
#endif
	Cbuf_AddText ("cl_warncmd 1\n", RESTRICT_LOCAL);	//and then it's allowed to start moaning.

	com_parseutf8.ival = com_parseutf8.value;

	//if the renderer is already up and running, be prepared to reload content to match the new conback/font/etc
	if (qrenderer != QR_NONE)
		Cbuf_AddText ("vid_reload\n", RESTRICT_LOCAL);
//	if (Key_Dest_Has(kdm_menu))
//		Cbuf_AddText ("closemenu\ntogglemenu\n", RESTRICT_LOCAL);	//make sure the menu has the right content loaded.

	Cbuf_Execute ();	//if the server initialisation causes a problem, give it a place to abort to

	//assuming they didn't use any waits in their config (fools)
	//the configs should be fully loaded.
	//so convert the backwards compable commandline parameters in cvar sets.
	CL_ArgumentOverrides();

	//and disable the 'you have unsaved stuff' prompt.
	Cvar_Saved();
}



void Host_FinishLoading(void)
{
	//the filesystem has retrieved its manifest, but might still be waiting for paks to finish downloading.

	//make sure the filesystem has some default if no manifest was loaded.
	FS_ChangeGame(NULL, true);

	Con_History_Load();

	Cmd_StuffCmds();
	Cbuf_Execute ();

	CL_ArgumentOverrides();

	Con_Printf ("\n%s\n", version_string());

	Con_DPrintf("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."
				"\n"
				"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. "
				"\n"
				"See the GNU General Public License for more details.\n");

	Renderer_Start();

	CL_StartCinematicOrMenu();
}

/*
====================
Host_Init
====================
*/
void Host_Init (quakeparms_t *parms)
{
	int man;

	com_parseutf8.ival = 1;	//enable utf8 parsing even before cvars are registered.

	COM_InitArgv (parms->argc, parms->argv);

	if (setjmp (host_abort) )
		Sys_Error("Host_Init: An error occured. Try the -condebug commandline parameter\n");


	host_parms = *parms;

	Cvar_Init();
	Memory_Init ();

	/*memory is working, its safe to printf*/
	Con_Init ();

	Sys_Init();

	COM_ParsePlusSets();
	Cbuf_Init ();
	Cmd_Init ();
	V_Init ();
	NET_Init ();
	COM_Init ();
#ifdef Q2BSPS
	CM_Init();
#endif
#ifdef TERRAIN
	Terr_Init();
#endif
	Host_FixupModelNames();

	NET_InitClient ();
	Netchan_Init ();
	Renderer_Init();
	Mod_Init(true);

//	W_LoadWadFile ("gfx.wad");
	Key_Init ();
	M_Init ();
	IN_Init ();
	S_Init ();
	cls.state = ca_disconnected;
	CDAudio_Init ();
	Sbar_Init ();
	CL_Init ();
#if defined(CSQC_DAT) || defined(MENU_DAT)
	PF_Common_RegisterCvars();
#endif

#ifndef CLIENTONLY
	SV_Init(parms);
#endif
#ifdef TEXTEDITOR
	Editor_Init();
#endif

#ifdef PLUGINS
	Plug_Initialise(true);
#endif
#ifdef VM_UI
	UI_Init();
#endif

#ifdef CL_MASTER
	Master_SetupSockets();
#endif

#ifdef Q3CLIENT
	CL_ReadCDKey();
#endif

	//	Con_Printf ("Exe: "__TIME__" "__DATE__"\n");
	//Con_Printf ("%4.1f megs RAM available.\n", parms->memsize/ (1024*1024.0));

	R_SetRenderer(NULL);//set the renderer stuff to unset...

	host_initialized = true;
	forcesaveprompt = false;

	Sys_SendKeyEvents();

	//the engine is fully running, except the file system may be nulled out waiting for a manifest to download.

	man = COM_CheckParm("-manifest");
	if (man && man < com_argc-1 && com_argv[man+1])
		Host_RunFile(com_argv[man+1], strlen(com_argv[man+1]), NULL);
}

/*
===============
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)
{
	if (!host_initialized)
	{
		Sys_Printf ("recursive shutdown\n");
		return;
	}
	host_initialized = false;

#ifdef PLUGINS
	Plug_Shutdown(false);
#endif

	//disconnect server/client/etc
	CL_Disconnect_f();

#ifdef CSQC_DAT
	CSQC_Shutdown();
#endif

#ifdef VM_UI
	UI_Stop();
#endif

//	Host_WriteConfiguration ();

	CDAudio_Shutdown ();
	IN_Shutdown ();
	R_ShutdownRenderer(true);
	S_Shutdown(true);
#ifdef CL_MASTER
	MasterInfo_Shutdown();
#endif
	CL_FreeDlights();
	CL_FreeVisEdicts();
	M_Shutdown(true);
	Mod_Shutdown(true);
#ifndef CLIENTONLY
	SV_Shutdown();
#else
	NET_Shutdown ();
#endif

#ifdef Q3CLIENT
	VMQ3_FlushStringHandles();
#endif

	Cvar_Shutdown();
	Validation_FlushFileList();

	Cmd_Shutdown();
	Key_Unbindall_f();

	FS_Shutdown();

#ifdef PLUGINS
	Plug_Shutdown(true);
#endif

	Con_Shutdown();
	Memory_DeInit();

#ifndef CLIENTONLY
	memset(&sv, 0, sizeof(sv));
	memset(&svs, 0, sizeof(svs));
#endif
	Sys_Shutdown();
}

#ifdef CLIENTONLY
void SV_EndRedirect (void)
{
}
#endif