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newtree/source/cl_main.c
Adam Olsen d97095fe87 Apply usleep patch, so we don't busy-wait so much. cl_maxfps will 
now release your CPU :)
2001-05-16 08:59:10 +00:00

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/*
cl_main.c
Client main loop
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:
Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA
$Id$
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#ifdef __sun
/* Sun's model_t in sys/model.h conflicts w/ Quake's model_t */
# define model_t sunmodel_t
#endif
#ifdef HAVE_STRING_H
# include <string.h>
#endif
#ifdef HAVE_STRINGS_H
# include <strings.h>
#endif
#include <errno.h>
#include <ctype.h>
#include <sys/types.h>
#ifdef HAVE_NETINET_IN_H
# include <netinet/in.h>
#endif
#ifdef HAVE_WINSOCK_H
# include <winsock.h>
#endif
#include <setjmp.h>
#ifdef __sun
# undef model_t
#endif
#include "bothdefs.h"
#include "buildnum.h"
#include "cdaudio.h"
#include "cl_cam.h"
#include "cl_demo.h"
#include "cl_ents.h"
#include "cl_input.h"
#include "cl_main.h"
#include "cl_parse.h"
#include "cl_pred.h"
#include "cl_slist.h"
#include "cl_tent.h"
#include "client.h"
#include "cmd.h"
#include "console.h"
#include "cvar.h"
#include "draw.h"
#include "host.h"
#include "input.h"
#include "keys.h"
#include "menu.h"
#include "model.h"
#include "msg.h"
#include "net.h"
#include "pmove.h"
#include "qendian.h"
#include "quakefs.h"
#include "qargs.h"
#include "sbar.h"
#include "screen.h"
#include "skin.h"
#include "sound.h"
#include "sys.h"
#include "teamplay.h"
#include "vid.h"
#include "view.h"
#include "va.h"
void CL_RemoveQFInfoKeys ();
// we need to declare some mouse variables here, because the menu system
// references them even when on a unix system.
qboolean noclip_anglehack; // remnant from old quake
cvar_t *fs_globalcfg;
cvar_t *fs_usercfg;
cvar_t *rcon_password;
cvar_t *rcon_address;
cvar_t *cl_writecfg;
cvar_t *cl_allow_cmd_pkt;
cvar_t *cl_timeout;
cvar_t *cl_shownet; // can be 0, 1, or 2
cvar_t *cl_autoexec;
cvar_t *cl_sbar;
cvar_t *cl_sbar_separator;
cvar_t *cl_hudswap;
cvar_t *cl_maxfps;
cvar_t *cl_cshift_bonus;
cvar_t *cl_cshift_contents;
cvar_t *cl_cshift_damage;
cvar_t *cl_cshift_powerup;
cvar_t *lookspring;
cvar_t *lookstrafe;
cvar_t *sensitivity;
cvar_t *cl_freelook;
cvar_t *m_pitch;
cvar_t *m_yaw;
cvar_t *m_forward;
cvar_t *m_side;
cvar_t *cl_predict_players;
cvar_t *cl_predict_players2;
cvar_t *cl_solid_players;
cvar_t *localid;
static qboolean allowremotecmd = true;
//
// info mirrors
//
cvar_t *password;
cvar_t *spectator;
cvar_t *name;
cvar_t *team;
cvar_t *rate;
cvar_t *noaim;
cvar_t *msg;
extern cvar_t *cl_hightrack;
client_static_t cls;
client_state_t cl;
entity_state_t cl_baselines[MAX_EDICTS];
efrag_t cl_efrags[MAX_EFRAGS];
entity_t cl_static_entities[MAX_STATIC_ENTITIES];
lightstyle_t cl_lightstyle[MAX_LIGHTSTYLES];
dlight_t cl_dlights[MAX_DLIGHTS];
// refresh list
// this is double buffered so the last frame
// can be scanned for oldorigins of trailing objects
int cl_numvisedicts;
entity_t *cl_visedicts[MAX_VISEDICTS];
double connect_time = -1; // for connection retransmits
quakeparms_t host_parms;
qboolean host_initialized; // true if into command execution
qboolean nomaster;
double host_frametime;
double realtime; // without any filtering or bounding
double oldrealtime; // last frame run
int host_framecount;
int host_hunklevel;
byte *host_basepal;
byte *host_colormap;
cvar_t *host_speeds; // set for running times
cvar_t *show_fps; // set for running times
cvar_t *show_time;
cvar_t *developer;
cvar_t *cl_demospeed;
int fps_count;
jmp_buf host_abort;
void Master_Connect_f (void);
char *server_version = NULL; // version of server we connected to
char emodel_name[] = "emodel";
char pmodel_name[] = "pmodel";
char prespawn_name[] = "prespawn %i 0 %i";
char modellist_name[] = "modellist %i %i";
char soundlist_name[] = "soundlist %i %i";
cvar_t *confirm_quit;
/*
CL_Quit_f
*/
void
CL_Quit_f (void)
{
if (confirm_quit->int_val) {
M_Menu_Quit_f ();
return;
}
CL_Disconnect ();
Sys_Quit ();
}
/*
CL_Version_f
*/
void
CL_Version_f (void)
{
Con_Printf ("%s Version %s\n", PROGRAM, VERSION);
Con_Printf ("Binary: " __TIME__ " " __DATE__ "\n");
}
/*
CL_SendConnectPacket
called by CL_Connect_f and CL_CheckResend
*/
void
CL_SendConnectPacket (void)
{
netadr_t adr;
char data[2048];
double t1, t2;
// JACK: Fixed bug where DNS lookups would cause two connects real fast
// Now, adds lookup time to the connect time.
// Should I add it to realtime instead?!?!
if (cls.state != ca_disconnected)
return;
t1 = Sys_DoubleTime ();
if (!NET_StringToAdr (cls.servername, &adr)) {
Con_Printf ("Bad server address\n");
connect_time = -1;
return;
}
if (!NET_IsClientLegal (&adr)) {
Con_Printf ("Illegal server address\n");
connect_time = -1;
return;
}
if (adr.port == 0)
adr.port = BigShort (27500);
t2 = Sys_DoubleTime ();
connect_time = realtime + t2 - t1; // for retransmit requests
cls.qport = Cvar_VariableValue ("qport");
// Arrgh, this was not in the old binary only release, and eats up
// far too much of the 196 chars in the userinfo space, leaving nothing
// for player use, thus, its commented out for the moment..
//
// Info_SetValueForStarKey (cls.userinfo, "*ip", NET_AdrToString(adr),
// MAX_INFO_STRING);
// Con_Printf ("Connecting to %s...\n", cls.servername);
snprintf (data, sizeof (data), "%c%c%c%cconnect %i %i %i \"%s\"\n",
255, 255, 255, 255, PROTOCOL_VERSION, cls.qport, cls.challenge,
cls.userinfo);
NET_SendPacket (strlen (data), data, adr);
}
/*
CL_CheckForResend
Resend a connect message if the last one has timed out
*/
void
CL_CheckForResend (void)
{
netadr_t adr;
char data[2048];
double t1, t2;
if (connect_time == -1)
return;
if (cls.state != ca_disconnected)
return;
if (connect_time && realtime - connect_time < 5.0)
return;
t1 = Sys_DoubleTime ();
if (!NET_StringToAdr (cls.servername, &adr)) {
Con_Printf ("Bad server address\n");
connect_time = -1;
return;
}
if (!NET_IsClientLegal (&adr)) {
Con_Printf ("Illegal server address\n");
connect_time = -1;
return;
}
if (adr.port == 0)
adr.port = BigShort (27500);
t2 = Sys_DoubleTime ();
connect_time = realtime + t2 - t1; // for retransmit requests
VID_SetCaption (va ("Connecting to %s", cls.servername));
Con_Printf ("Connecting to %s...\n", cls.servername);
snprintf (data, sizeof (data), "%c%c%c%cgetchallenge\n", 255, 255, 255,
255);
NET_SendPacket (strlen (data), data, adr);
}
void
CL_BeginServerConnect (void)
{
connect_time = 0;
CL_CheckForResend ();
}
/*
CL_Connect_f
*/
void
CL_Connect_f (void)
{
char *server;
if (Cmd_Argc () != 2) {
Con_Printf ("usage: connect <server>\n");
return;
}
server = Cmd_Argv (1);
CL_Disconnect ();
strncpy (cls.servername, server, sizeof (cls.servername) - 1);
CL_BeginServerConnect ();
}
/*
CL_Rcon_f
Send the rest of the command line over as
an unconnected command.
*/
void
CL_Rcon_f (void)
{
char message[1024];
int i;
netadr_t to;
int len;
snprintf (message, sizeof (message), "\377\377\377\377rcon %s ",
rcon_password->string);
len = strlen (message);
for (i = 1; i < Cmd_Argc (); i++) {
strncat (message, Cmd_Argv (i), sizeof (message) - len - 1);
len += strlen (Cmd_Argv (i));
strncat (message, " ", sizeof (message) - len - 1);
len += strlen (" ");
}
if (cls.state >= ca_connected)
to = cls.netchan.remote_address;
else {
if (!strlen (rcon_address->string)) {
Con_Printf ("You must either be connected,\n"
"or set the 'rcon_address' cvar\n"
"to issue rcon commands\n");
return;
}
NET_StringToAdr (rcon_address->string, &to);
}
NET_SendPacket (strlen (message) + 1, message, to);
}
/*
CL_ClearState
*/
void
CL_ClearState (void)
{
int i;
S_StopAllSounds (true);
Con_DPrintf ("Clearing memory\n");
D_FlushCaches ();
Mod_ClearAll ();
if (host_hunklevel) // FIXME: check this...
Hunk_FreeToLowMark (host_hunklevel);
CL_ClearEnts ();
CL_ClearTEnts ();
// wipe the entire cl structure
memset (&cl, 0, sizeof (cl));
SZ_Clear (&cls.netchan.message);
// clear other arrays
memset (cl_efrags, 0, sizeof (cl_efrags));
memset (cl_dlights, 0, sizeof (cl_dlights));
memset (cl_lightstyle, 0, sizeof (cl_lightstyle));
//
// allocate the efrags and chain together into a free list
//
cl.free_efrags = cl_efrags;
for (i = 0; i < MAX_EFRAGS - 1; i++)
cl.free_efrags[i].entnext = &cl.free_efrags[i + 1];
cl.free_efrags[i].entnext = NULL;
}
/*
CL_StopCshifts
Cleans the Cshifts, so your screen doesn't stay red after a timedemo :)
*/
void
CL_StopCshifts (void)
{
int i;
for (i = 0; i < NUM_CSHIFTS; i++)
cl.cshifts[i].percent = 0;
for (i = 0; i < MAX_CL_STATS; i++)
cl.stats[i] = 0;
}
/*
CL_Disconnect
Sends a disconnect message to the server
This is also called on Host_Error, so it shouldn't cause any errors
*/
void
CL_Disconnect (void)
{
byte final[10];
connect_time = -1;
VID_SetCaption ("Disconnected");
// stop sounds (especially looping!)
S_StopAllSounds (true);
// Clean the Cshifts
CL_StopCshifts ();
// if running a local server, shut it down
if (cls.demoplayback)
CL_StopPlayback ();
else if (cls.state != ca_disconnected) {
if (cls.demorecording)
CL_Stop_f ();
final[0] = clc_stringcmd;
strcpy (final + 1, "drop");
Netchan_Transmit (&cls.netchan, 6, final);
Netchan_Transmit (&cls.netchan, 6, final);
Netchan_Transmit (&cls.netchan, 6, final);
cls.state = ca_disconnected;
cls.demoplayback = cls.demorecording = cls.timedemo = false;
CL_RemoveQFInfoKeys ();
}
Cam_Reset ();
if (cls.download) {
Qclose (cls.download);
cls.download = NULL;
}
CL_StopUpload ();
}
void
CL_Disconnect_f (void)
{
CL_Disconnect ();
}
/*
CL_User_f
user <name or userid>
Dump userdata / masterdata for a user
*/
void
CL_User_f (void)
{
int uid;
int i;
if (Cmd_Argc () != 2) {
Con_Printf ("Usage: user <username / userid>\n");
return;
}
uid = atoi (Cmd_Argv (1));
for (i = 0; i < MAX_CLIENTS; i++) {
if (!cl.players[i].name[0])
continue;
if (cl.players[i].userid == uid
|| !strcmp (cl.players[i].name, Cmd_Argv (1))) {
Info_Print (cl.players[i].userinfo);
return;
}
}
Con_Printf ("User not in server.\n");
}
/*
CL_Users_f
Dump userids for all current players
*/
void
CL_Users_f (void)
{
int i;
int c;
c = 0;
Con_Printf ("userid frags name\n");
Con_Printf ("------ ----- ----\n");
for (i = 0; i < MAX_CLIENTS; i++) {
if (cl.players[i].name[0]) {
Con_Printf ("%6i %4i %s\n", cl.players[i].userid,
cl.players[i].frags, cl.players[i].name);
c++;
}
}
Con_Printf ("%i total users\n", c);
}
/*
CL_FullServerinfo_f
Sent by server when serverinfo changes
*/
void
CL_FullServerinfo_f (void)
{
char *p;
if (Cmd_Argc () != 2) {
Con_Printf ("usage: fullserverinfo <complete info string>\n");
return;
}
Con_DPrintf ("Cmd_Argv(1): '%s'\n", Cmd_Argv (1));
strcpy (cl.serverinfo, Cmd_Argv (1));
Con_DPrintf ("cl.serverinfo: '%s'\n", cl.serverinfo);
if ((p = Info_ValueForKey (cl.serverinfo, "*qf_version")) && *p) {
if (server_version == NULL)
Con_Printf ("QuakeForge v%s server\n", p);
server_version = strdup (p);
} else if ((p = Info_ValueForKey (cl.serverinfo, "*version")) && *p) {
if (server_version == NULL)
Con_Printf ("QuakeWorld v%s server\n", p);
server_version = strdup (p);
}
if ((p = Info_ValueForKey (cl.serverinfo, "*qsg_version")) && *p) {
if ((cl.stdver = atof (p)))
Con_Printf ("Server supports QSG v%s protocol\n", p);
else
Con_Printf ("Invalid QSG Protocol number: %s\n", p);
}
if ((p = Info_ValueForKey (cl.serverinfo, "skybox")) && *p) {
if (stricmp (p, "none") == 0) {
allowskybox = false;
} else {
allowskybox = true;
}
} else {
allowskybox = false;
}
}
/*
CL_AddQFInfoKeys
*/
void
CL_AddQFInfoKeys (void)
{
char cap[100] = ""; // max of 98 or so flags
// set the capabilities info. single char flags (possibly with
// modifiefs)
// defined capabilities (* = not implemented):
// z client can accept gzipped files.
// h * http transfers
// f * ftp transfers
// a * audio channel (voice chat)
// i * irc
// p pogo stick control
// t team messages
strncpy (cap, "pt", sizeof (cap));
#ifdef HAVE_ZLIB
strncat (cap, "z", sizeof (cap) - strlen (cap) - 1);
#endif
Info_SetValueForStarKey (cls.userinfo, "*cap", cap, MAX_INFO_STRING);
Info_SetValueForStarKey (cls.userinfo, "*qf_version", VERSION,
MAX_INFO_STRING);
Info_SetValueForStarKey (cls.userinfo, "*qsg_version", QSG_VERSION,
MAX_INFO_STRING);
Con_Printf ("QuakeForge server detected\n");
}
/*
CL_RemoveQFInfoKeys
*/
void
CL_RemoveQFInfoKeys (void)
{
Info_RemoveKey (cls.userinfo, "*cap");
Info_RemoveKey (cls.userinfo, "*qf_version");
Info_RemoveKey (cls.userinfo, "*qsg_version");
}
/*
CL_FullInfo_f
Allow clients to change userinfo
Casey was here :)
*/
void
CL_FullInfo_f (void)
{
char key[512];
char value[512];
char *o;
char *s;
if (Cmd_Argc () != 2) {
Con_Printf ("fullinfo <complete info string>\n");
return;
}
s = Cmd_Argv (1);
if (*s == '\\')
s++;
while (*s) {
o = key;
while (*s && *s != '\\')
*o++ = *s++;
*o = 0;
if (!*s) {
Con_Printf ("MISSING VALUE\n");
return;
}
o = value;
s++;
while (*s && *s != '\\')
*o++ = *s++;
*o = 0;
if (*s)
s++;
if (!stricmp (key, pmodel_name) || !stricmp (key, emodel_name))
continue;
Info_SetValueForKey (cls.userinfo, key, value, MAX_INFO_STRING);
}
}
/*
CL_SetInfo_f
Allow clients to change userinfo
*/
void
CL_SetInfo_f (void)
{
if (Cmd_Argc () == 1) {
Info_Print (cls.userinfo);
return;
}
if (Cmd_Argc () != 3) {
Con_Printf ("usage: setinfo [ <key> <value> ]\n");
return;
}
if (!stricmp (Cmd_Argv (1), pmodel_name)
|| !strcmp (Cmd_Argv (1), emodel_name)) return;
Info_SetValueForKey (cls.userinfo, Cmd_Argv (1), Cmd_Argv (2),
MAX_INFO_STRING);
if (cls.state >= ca_connected)
Cmd_ForwardToServer ();
}
/*
CL_Packet_f
packet <destination> <contents>
Contents allows \n escape character
*/
void
CL_Packet_f (void)
{
char send[2048];
int i, l;
char *in, *out;
netadr_t adr;
if (Cmd_Argc () != 3) {
Con_Printf ("packet <destination> <contents>\n");
return;
}
if (!NET_StringToAdr (Cmd_Argv (1), &adr)) {
Con_Printf ("Bad address\n");
return;
}
in = Cmd_Argv (2);
out = send + 4;
send[0] = send[1] = send[2] = send[3] = 0xff;
l = strlen (in);
for (i = 0; i < l; i++) {
if (in[i] == '\\' && in[i + 1] == 'n') {
*out++ = '\n';
i++;
} else
*out++ = in[i];
}
*out = 0;
NET_SendPacket (out - send, send, adr);
}
/*
CL_NextDemo
Called to play the next demo in the demo loop
*/
void
CL_NextDemo (void)
{
char str[1024];
if (cls.demonum == -1)
return; // don't play demos
if (!cls.demos[cls.demonum][0] || cls.demonum == MAX_DEMOS) {
cls.demonum = 0;
if (!cls.demos[cls.demonum][0]) {
// Con_Printf ("No demos listed with startdemos\n");
cls.demonum = -1;
return;
}
}
snprintf (str, sizeof (str), "playdemo %s\n", cls.demos[cls.demonum]);
Cbuf_InsertText (str);
cls.demonum++;
}
/*
CL_Changing_f
Just sent as a hint to the client that they should
drop to full console
*/
void
CL_Changing_f (void)
{
if (cls.download) // don't change when downloading
return;
S_StopAllSounds (true);
cl.intermission = 0;
cls.state = ca_connected; // not active anymore, but not
// disconnected
Con_Printf ("\nChanging map...\n");
}
/*
CL_Reconnect_f
The server is changing levels
*/
void
CL_Reconnect_f (void)
{
if (cls.download) // don't change when downloading
return;
S_StopAllSounds (true);
if (cls.state == ca_connected) {
Con_Printf ("reconnecting...\n");
VID_SetCaption ("Reconnecting");
MSG_WriteChar (&cls.netchan.message, clc_stringcmd);
MSG_WriteString (&cls.netchan.message, "new");
return;
}
if (!*cls.servername) {
Con_Printf ("No server to reconnect to...\n");
return;
}
CL_Disconnect ();
CL_BeginServerConnect ();
}
/*
CL_ConnectionlessPacket
Responses to broadcasts, etc
*/
void
CL_ConnectionlessPacket (void)
{
char *s;
int c;
MSG_BeginReading ();
MSG_ReadLong (); // skip the -1
c = MSG_ReadByte ();
if (!cls.demoplayback)
Con_Printf ("%s: ", NET_AdrToString (net_from));
// Con_DPrintf ("%s", net_message.data + 5);
if (c == S2C_CONNECTION) {
Con_Printf ("connection\n");
if (cls.state >= ca_connected) {
if (!cls.demoplayback)
Con_Printf ("Dup connect received. Ignored.\n");
return;
}
Netchan_Setup (&cls.netchan, net_from, cls.qport);
MSG_WriteChar (&cls.netchan.message, clc_stringcmd);
MSG_WriteString (&cls.netchan.message, "new");
cls.state = ca_connected;
Con_Printf ("Connected.\n");
allowremotecmd = false; // localid required now for remote
// cmds
return;
}
// remote command from gui front end
if (c == A2C_CLIENT_COMMAND) {
char cmdtext[2048];
Con_Printf ("client command\n");
if (!cl_allow_cmd_pkt->int_val
|| ((*(unsigned int *) net_from.ip != *(unsigned int *) net_local_adr.ip
&& *(unsigned int *) net_from.ip != htonl (INADDR_LOOPBACK)))) {
Con_Printf ("Command packet from remote host. Ignored.\n");
return;
}
s = MSG_ReadString ();
strncpy (cmdtext, s, sizeof (cmdtext) - 1);
cmdtext[sizeof (cmdtext) - 1] = 0;
s = MSG_ReadString ();
while (*s && isspace ((int) *s))
s++;
while (*s && isspace ((int) (s[strlen (s) - 1])))
s[strlen (s) - 1] = 0;
if (!allowremotecmd
&& (!*localid->string || strcmp (localid->string, s))) {
if (!*localid->string) {
Con_Printf ("===========================\n");
Con_Printf ("Command packet received from local host, but no "
"localid has been set. You may need to upgrade your server "
"browser.\n");
Con_Printf ("===========================\n");
return;
}
Con_Printf ("===========================\n");
Con_Printf
("Invalid localid on command packet received from local host. "
"\n|%s| != |%s|\n"
"You may need to reload your server browser and %s.\n", s,
localid->string, PROGRAM);
Con_Printf ("===========================\n");
Cvar_Set (localid, "");
return;
}
Con_Printf ("%s\n", cmdtext);
Cbuf_AddText (cmdtext);
allowremotecmd = false;
return;
}
// print command from somewhere
if (c == A2C_PRINT) {
netadr_t addy;
server_entry_t *temp;
s = MSG_ReadString ();
for (temp = slist; temp; temp = temp->next)
if (temp->waitstatus)
{
NET_StringToAdr (temp->server, &addy);
if (NET_CompareBaseAdr (net_from, addy))
{
int i;
temp->status = realloc(temp->status, strlen(s) + 1);
strcpy(temp->status, s);
temp->waitstatus = 0;
for (i = 0; i < strlen(temp->status); i++)
if (temp->status[i] == '\n')
{
temp->status[i] = '\\';
break;
}
Con_Printf("status response\n");
return;
}
}
Con_Printf ("print\n");
Con_Print (s);
return;
}
// ping from somewhere
if (c == A2A_PING) {
char data[6];
Con_Printf ("ping\n");
data[0] = 0xff;
data[1] = 0xff;
data[2] = 0xff;
data[3] = 0xff;
data[4] = A2A_ACK;
data[5] = 0;
NET_SendPacket (6, &data, net_from);
return;
}
if (c == S2C_CHALLENGE) {
Con_Printf ("challenge\n");
s = MSG_ReadString ();
cls.challenge = atoi (s);
if (strstr (s, "QF"))
CL_AddQFInfoKeys ();
CL_SendConnectPacket ();
return;
}
if (c == svc_disconnect) {
if (cls.demoplayback)
Host_EndGame ("End of demo");
else
Con_Printf ("svc_disconnect\n");
// Host_EndGame ("Server disconnected");
return;
}
Con_Printf ("unknown: %c\n", c);
}
void
CL_PingPacket (void)
{
server_entry_t *temp;
netadr_t addy;
MSG_ReadByte ();;
for (temp = slist; temp; temp = temp->next)
if (temp->pingsent && !temp->pongback) {
NET_StringToAdr (temp->server, &addy);
if (NET_CompareBaseAdr (net_from, addy)) {
temp->pongback = Sys_DoubleTime ();
timepassed(temp->pingsent, &temp->pongback);
}
}
}
/*
CL_ReadPackets
*/
void
CL_ReadPackets (void)
{
// while (NET_GetPacket ())
while (CL_GetMessage ()) {
#ifdef PACKET_LOGGING
if (cls.demoplayback) Log_Incoming_Packet(net_message.data,net_message.cursize);
#endif
//
// remote command packet
//
if (*(int *) net_message.data == -1) {
CL_ConnectionlessPacket ();
continue;
}
if (*(char *) net_message.data == A2A_ACK)
{
CL_PingPacket ();
continue;
}
if (net_message.cursize < 8) {
Con_Printf ("%s: Runt packet\n", NET_AdrToString (net_from));
continue;
}
//
// packet from server
//
if (!cls.demoplayback &&
!NET_CompareAdr (net_from, cls.netchan.remote_address)) {
Con_DPrintf ("%s:sequenced packet without connection\n",
NET_AdrToString (net_from));
continue;
}
if (!Netchan_Process (&cls.netchan))
continue; // wasn't accepted for some reason
CL_ParseServerMessage ();
// if (cls.demoplayback && cls.state >= ca_active && !CL_DemoBehind())
// return;
}
//
// check timeout
//
if (cls.state >= ca_connected
&& realtime - cls.netchan.last_received > cl_timeout->value) {
Con_Printf ("\nServer connection timed out.\n");
CL_Disconnect ();
return;
}
}
//=============================================================================
/*
CL_Download_f
*/
void
CL_Download_f (void)
{
if (cls.state == ca_disconnected) {
Con_Printf ("Must be connected.\n");
return;
}
if (Cmd_Argc () != 2) {
Con_Printf ("Usage: download <datafile>\n");
return;
}
snprintf (cls.downloadname, sizeof (cls.downloadname), "%s/%s", com_gamedir,
Cmd_Argv (1));
COM_CreatePath (cls.downloadname);
strncpy (cls.downloadtempname, cls.downloadname,
sizeof (cls.downloadtempname));
cls.download = Qopen (cls.downloadname, "wb");
if (cls.download) {
cls.downloadtype = dl_single;
MSG_WriteByte (&cls.netchan.message, clc_stringcmd);
SZ_Print (&cls.netchan.message, va ("download %s\n", Cmd_Argv (1)));
} else {
Con_Printf ("error downloading %s: %s\n", Cmd_Argv (1),
strerror (errno));
}
}
/*
CL_Init
*/
void
CL_Init (void)
{
QFile *servlist;
char st[80];
char e_path[MAX_OSPATH];
cls.state = ca_disconnected;
Info_SetValueForKey (cls.userinfo, "name", "unnamed", MAX_INFO_STRING);
Info_SetValueForKey (cls.userinfo, "topcolor", "0", MAX_INFO_STRING);
Info_SetValueForKey (cls.userinfo, "bottomcolor", "0", MAX_INFO_STRING);
Info_SetValueForKey (cls.userinfo, "rate", "2500", MAX_INFO_STRING);
Info_SetValueForKey (cls.userinfo, "msg", "1", MAX_INFO_STRING);
// snprintf (st, sizeof(st), "%s-%04d", QW_VERSION, build_number());
snprintf (st, sizeof (st), "%s", QW_VERSION);
Info_SetValueForStarKey (cls.userinfo, "*ver", st, MAX_INFO_STRING);
#ifdef PACKET_LOGGING
Net_Log_Init();
#endif
CL_Input_Init ();
CL_Ents_Init ();
CL_TEnts_Init ();
Pmove_Init ();
Qexpand_squiggle (fs_userpath->string, e_path);
if ((servlist = Qopen (va ("%s/servers.txt", e_path), "r"))) {
slist = SL_LoadF (servlist, slist);
Qclose (servlist);
}
//
// register our commands
//
Cmd_AddCommand ("version", CL_Version_f, "Report version information");
Cmd_AddCommand ("changing", CL_Changing_f, "Used when maps are changing");
Cmd_AddCommand ("disconnect", CL_Disconnect_f, "Disconnect from server");
Cmd_AddCommand ("record", CL_Record_f, "Record a demo 'record filename server'");
Cmd_AddCommand ("rerecord", CL_ReRecord_f, "Rerecord a demo on the same server");
Cmd_AddCommand ("stop", CL_Stop_f, "Stop recording a demo");
Cmd_AddCommand ("playdemo", CL_PlayDemo_f, "Play a recorded demo");
Cmd_AddCommand ("timedemo", CL_TimeDemo_f, "Play a demo as fast as your hardware can. Useful for benchmarking.");
Cmd_AddCommand ("maplist", COM_Maplist_f, "List maps available");
Cmd_AddCommand ("quit", CL_Quit_f, "Exit the program");
Cmd_AddCommand ("connect", CL_Connect_f, "Connect to a server 'connect hostname:port'");
Cmd_AddCommand ("reconnect", CL_Reconnect_f, "Reconnect to the last server");
Cmd_AddCommand ("rcon", CL_Rcon_f, "Issue the set of commands to the server you are currently connected to or have set in rcon_address");
Cmd_AddCommand ("packet", CL_Packet_f, "Send a packet with specified contents to the destination");
Cmd_AddCommand ("user", CL_User_f, "Queries the user for his setinfo information");
Cmd_AddCommand ("users", CL_Users_f, "Report information on connected players and retrieve user ids");
Cmd_AddCommand ("setinfo", CL_SetInfo_f, "Sets information about your QuakeWorld user.\n"
"Used without a key it will list all of your current settings.\n"
"Specifying a non-existent key and a value will create the new key.\n"
"Special Keys:\n"
"b_switch - Determines the highest weapon that Quake should switch to upon a backpack pickup.\n"
"w_switch - Determines the highest weapon that Quake should switch to upon a weapon pickup.");
Cmd_AddCommand ("fullinfo", CL_FullInfo_f, "Used by QuakeSpy and Qlist to set setinfo variables");
Cmd_AddCommand ("fullserverinfo", CL_FullServerinfo_f, "Used by QuakeSpy and Qlist to obtain server variables");
Cmd_AddCommand ("download", CL_Download_f, "Manually download a quake file from the server");
Cmd_AddCommand ("nextul", CL_NextUpload, "Tells the client to send the next upload");
Cmd_AddCommand ("stopul", CL_StopUpload, "Tells the client to stop uploading");
//
// forward to server commands
//
Cmd_AddCommand ("kill", NULL, "Suicide :)");
Cmd_AddCommand ("pause", NULL, "Pause the game");
Cmd_AddCommand ("say", NULL, "Say something to all other players");
Cmd_AddCommand ("say_team", NULL, "Say something only to people on your team");
Cmd_AddCommand ("serverinfo", NULL, "Report the current server info");
}
void
CL_Init_Cvars (void)
{
// LordHavoc: some people like it asking on quit, others don't...
confirm_quit =
Cvar_Get ("confirm_quit", "1", CVAR_ARCHIVE, NULL, "confirm quit command");
cl_allow_cmd_pkt = Cvar_Get ("cl_allow_cmd_pkt", "1", CVAR_NONE, NULL,
"enables packets from the likes of gamespy");
show_fps = Cvar_Get ("show_fps", "0", CVAR_NONE, NULL,
"display realtime frames per second");
// Misty: I like to be able to see the time when I play
show_time = Cvar_Get ("show_time", "0", CVAR_NONE, NULL,
"display the current time");
host_speeds = Cvar_Get ("host_speeds", "0", CVAR_NONE, NULL,
"display host processing times");
developer = Cvar_Get ("developer", "0", CVAR_NONE, NULL,
"show info interesting to developers");
cl_demospeed = Cvar_Get ("cl_demospeed", "1.0", CVAR_NONE, NULL,
"adjust demo playback speed. 1.0 = normal, < 1 slow-mo, > 1 timelaps");
// Misty: Turn on or off screen filling colors for powerups among other things.
cl_cshift_bonus = Cvar_Get ("cl_cshift_bonus", "1", CVAR_ARCHIVE, NULL,
"Show bonus flash on item pickup");
cl_cshift_contents = Cvar_Get ("cl_cshift_content", "1", CVAR_ARCHIVE, NULL,
"Shift view colors for contents (water, slime, etc)");
cl_cshift_damage = Cvar_Get ("cl_cshift_damage", "1", CVAR_ARCHIVE, NULL,
"Shift view colors on damage");
cl_cshift_powerup = Cvar_Get ("cl_cshift_powerup", "1", CVAR_ARCHIVE, NULL,
"Shift view colors for powerups");
cl_autoexec = Cvar_Get ("cl_autoexec", "0", CVAR_ROM, NULL,
"exec autoexec.cfg on gamedir change");
cl_warncmd = Cvar_Get ("cl_warncmd", "0", CVAR_NONE, NULL,
"inform when execing a command");
cl_upspeed = Cvar_Get ("cl_upspeed", "200", CVAR_NONE, NULL,
"swim/fly up/down speed");
cl_forwardspeed = Cvar_Get ("cl_forwardspeed", "200", CVAR_ARCHIVE, NULL,
"forward speed");
cl_backspeed = Cvar_Get ("cl_backspeed", "200", CVAR_ARCHIVE, NULL,
"backward speed");
cl_sidespeed = Cvar_Get ("cl_sidespeed", "350", CVAR_NONE, NULL, "strafe speed");
cl_movespeedkey = Cvar_Get ("cl_movespeedkey", "2.0", CVAR_NONE, NULL,
"move `run' speed multiplier");
cl_yawspeed = Cvar_Get ("cl_yawspeed", "140", CVAR_NONE, NULL, "turning speed");
cl_pitchspeed = Cvar_Get ("cl_pitchspeed", "150", CVAR_NONE, NULL,
"look up/down speed");
cl_anglespeedkey = Cvar_Get ("cl_anglespeedkey", "1.5", CVAR_NONE, NULL,
"turn `run' speed multiplier");
cl_shownet = Cvar_Get ("cl_shownet", "0", CVAR_NONE, NULL,
"show network packets. 0=off, 1=basic, 2=verbose");
cl_sbar = Cvar_Get ("cl_sbar", "0", CVAR_ARCHIVE, NULL, "status bar mode");
cl_sbar_separator = Cvar_Get ("cl_sbar_separator", "0", CVAR_ARCHIVE, NULL,
"turns on status bar separator");
cl_hudswap = Cvar_Get ("cl_hudswap", "0", CVAR_ARCHIVE, NULL,
"new HUD on left side?");
cl_maxfps = Cvar_Get ("cl_maxfps", "0", CVAR_ARCHIVE, NULL,
"maximum frames rendered in one second. 0 == 32");
cl_timeout = Cvar_Get ("cl_timeout", "60", CVAR_ARCHIVE, NULL,
"server connection timeout (since last packet received)");
lookspring = Cvar_Get ("lookspring", "0", CVAR_ARCHIVE, NULL,
"Snap view to center when moving and no mlook/klook");
lookstrafe = Cvar_Get ("lookstrafe", "0", CVAR_ARCHIVE, NULL,
"when mlook/klook on player will strafe");
sensitivity = Cvar_Get ("sensitivity", "3", CVAR_ARCHIVE, NULL,
"mouse sensitivity multiplier");
cl_freelook = Cvar_Get ("freelook", "0", CVAR_ARCHIVE, NULL, "force +mlook");
m_pitch = Cvar_Get ("m_pitch", "0.022", CVAR_ARCHIVE, NULL,
"mouse pitch (up/down) multipier");
m_yaw = Cvar_Get ("m_yaw", "0.022", CVAR_NONE, NULL,
"mouse yaw (left/right) multiplier");
m_forward = Cvar_Get ("m_forward", "1", CVAR_NONE, NULL,
"mouse forward/back speed");
m_side = Cvar_Get ("m_side", "0.8", CVAR_NONE, NULL, "mouse strafe speed");
rcon_password = Cvar_Get ("rcon_password", "", CVAR_NONE, NULL,
"remote control password");
rcon_address = Cvar_Get ("rcon_address", "", CVAR_NONE, NULL,
"server IP address when client not connected - for sending rcon commands");
cl_writecfg = Cvar_Get ("cl_writecfg", "1", CVAR_NONE, NULL, "write config files?");
cl_predict_players2 = Cvar_Get ("cl_predict_players2", "1", CVAR_NONE, NULL,
"If this and cl_predict_players is 0, no player prediction is done");
cl_predict_players = Cvar_Get ("cl_predict_players", "1", CVAR_NONE, NULL,
"If this and cl_predict_players2 is 0, no player prediction is done");
cl_solid_players = Cvar_Get ("cl_solid_players", "1", CVAR_NONE, NULL,
"Are players solid? If off, you can walk through them with difficulty");
localid = Cvar_Get ("localid", "", CVAR_NONE, NULL,
"FIXME: This has something to do with client authentication. No Description");
//
// info mirrors
//
name = Cvar_Get ("name", "unnamed", CVAR_ARCHIVE | CVAR_USERINFO, NULL,
"Player name");
password = Cvar_Get ("password", "", CVAR_USERINFO, NULL, "Server password");
spectator = Cvar_Get ("spectator", "", CVAR_USERINFO, NULL,
"Set to 1 before connecting to become a spectator");
team = Cvar_Get ("team", "", CVAR_ARCHIVE | CVAR_USERINFO, NULL,
"Team player is on.");
rate = Cvar_Get ("rate", "2500", CVAR_ARCHIVE | CVAR_USERINFO, NULL,
"Amount of bytes per second server will send/download to you");
msg = Cvar_Get ("msg", "1", CVAR_ARCHIVE | CVAR_USERINFO, NULL, "Determines the type of messages reported 0 is maximum, 4 is none");
noaim = Cvar_Get ("noaim", "0", CVAR_ARCHIVE | CVAR_USERINFO, NULL,
"Auto aim off switch. Set to 1 to turn off.");
}
/*
Host_EndGame
Call this to drop to a console without exiting the qwcl
*/
void
Host_EndGame (char *message, ...)
{
va_list argptr;
char string[1024];
va_start (argptr, message);
vsnprintf (string, sizeof (string), message, argptr);
va_end (argptr);
Con_Printf ("\n===========================\n");
Con_Printf ("Host_EndGame: %s\n", string);
Con_Printf ("===========================\n\n");
CL_Disconnect ();
longjmp (host_abort, 1);
}
/*
Host_Error
This shuts down the client and exits qwcl
*/
void
Host_Error (char *error, ...)
{
va_list argptr;
char string[1024];
static qboolean inerror = false;
if (inerror)
Sys_Error ("Host_Error: recursively entered");
inerror = true;
va_start (argptr, error);
vsnprintf (string, sizeof (string), error, argptr);
va_end (argptr);
Con_Printf ("Host_Error: %s\n", string);
CL_Disconnect ();
cls.demonum = -1;
inerror = false;
// FIXME
Sys_Error ("Host_Error: %s\n", string);
}
/*
Host_WriteConfiguration
Writes key bindings and archived cvars to config.cfg
*/
void
Host_WriteConfiguration (void)
{
QFile *f;
if (cl_writecfg->int_val && host_initialized) {
char *path = va ("%s/config.cfg", com_gamedir);
COM_CreatePath (path);
f = Qopen (path, "w");
if (!f) {
Con_Printf ("Couldn't write config.cfg.\n");
return;
}
Key_WriteBindings (f);
Cvar_WriteVariables (f);
Qclose (f);
}
}
//============================================================================
/*
Host_SimulationTime
This determines if enough time has passed to run a simulation frame, or
returns the amount of time that has to be waited
*/
static inline float
Host_SimulationTime (float time)
{
float fps;
float timescale = 1.0;
float timedifference;
if (cls.demoplayback) {
timescale = max (0, cl_demospeed->value);
time *= timescale;
}
realtime += time;
if (oldrealtime > realtime)
oldrealtime = 0;
if (cl_maxfps->int_val)
fps = bound (1, cl_maxfps->value, 72);
else
fps = bound (30, rate->value / 80.0, 72);
timedifference = (timescale / fps) - (realtime - oldrealtime);
if (!cls.timedemo && (timedifference > 0))
return timedifference; // framerate is too high
return 0;
}
/*
Host_Frame
Runs all active servers
*/
int nopacketcount;
void
Host_Frame (float time)
{
static double time1 = 0;
static double time2 = 0;
static double time3 = 0;
int pass1, pass2, pass3;
float sleeptime;
if (setjmp (host_abort)) // something bad happened, or the server disconnected
return;
// decide the simulation time
if ((sleeptime = Host_SimulationTime (time)) != 0) {
if (sleeptime > 0.01) // minimum sleep time
usleep((unsigned long)((sleeptime - 0.001) * 1000000));
return; // framerate is too high
}
host_frametime = realtime - oldrealtime;
oldrealtime = realtime;
host_frametime = min (host_frametime, 0.2);
// get new key events
IN_SendKeyEvents ();
// allow mouses or other external controllers to add commands
IN_Commands ();
// process console commands
Cbuf_Execute ();
// fetch results from server
CL_ReadPackets ();
if (atoi (Info_ValueForKey (cl.serverinfo, "no_pogo_stick")))
Cvar_Set (no_pogo_stick, "1");
// send intentions now
// resend a connection request if necessary
if (cls.state == ca_disconnected) {
CL_CheckForResend ();
} else {
CL_SendCmd ();
// Set up prediction for other players
CL_SetUpPlayerPrediction (false);
// do client side motion prediction
CL_PredictMove ();
// Set up prediction for other players
CL_SetUpPlayerPrediction (true);
// build a refresh entity list
CL_EmitEntities ();
}
// update video
if (host_speeds->int_val)
time1 = Sys_DoubleTime ();
SCR_UpdateScreen ();
if (host_speeds->int_val)
time2 = Sys_DoubleTime ();
// update audio
if (cls.state == ca_active) {
S_Update (r_origin, vpn, vright, vup);
CL_DecayLights ();
} else
S_Update (vec3_origin, vec3_origin, vec3_origin, vec3_origin);
CDAudio_Update ();
if (host_speeds->int_val) {
pass1 = (time1 - time3) * 1000;
time3 = Sys_DoubleTime ();
pass2 = (time2 - time1) * 1000;
pass3 = (time3 - time2) * 1000;
Con_Printf ("%3i tot %3i server %3i gfx %3i snd\n",
pass1 + pass2 + pass3, pass1, pass2, pass3);
}
host_framecount++;
fps_count++;
}
//============================================================================
static int
check_quakerc (void)
{
QFile *f;
char *l, *p;
int ret = 1;
COM_FOpenFile ("quake.rc", &f);
if (!f)
return 1;
while ((l = Qgetline (f))) {
if ((p = strstr (l, "stuffcmds"))) {
if (p == l) { // only known case so far
ret = 0;
break;
}
}
}
Qclose (f);
return ret;
}
/*
Host_Init
*/
void
Host_Init (void)
{
if (COM_CheckParm ("-minmemory"))
host_parms.memsize = MINIMUM_MEMORY;
if (host_parms.memsize < MINIMUM_MEMORY)
Sys_Error ("Only %4.1f megs of memory reported, can't execute game",
host_parms.memsize / (float) 0x100000);
Cvar_Init_Hash ();
Cmd_Init_Hash ();
Memory_Init (host_parms.membase, host_parms.memsize);
Cvar_Init ();
Sys_Init_Cvars ();
Sys_Init ();
Cbuf_Init ();
Cmd_Init ();
Locs_Init ();
// execute +set as early as possible
Cmd_StuffCmds_f ();
Cbuf_Execute_Sets ();
// execute the global configuration file if it exists
// would have been nice if Cmd_Exec_f could have been used, but it
// only reads from within the quake file system, and changing that is
// probably Not A Good Thing (tm).
fs_globalcfg = Cvar_Get ("fs_globalcfg", FS_GLOBALCFG,
CVAR_ROM, NULL, "global configuration file");
Cmd_Exec_File (fs_globalcfg->string);
Cbuf_Execute_Sets ();
// execute +set again to override the config file
Cmd_StuffCmds_f ();
Cbuf_Execute_Sets ();
fs_usercfg = Cvar_Get ("fs_usercfg", FS_USERCFG,
CVAR_ROM, NULL, "user configuration file");
Cmd_Exec_File (fs_usercfg->string);
Cbuf_Execute_Sets ();
// execute +set again to override the config file
Cmd_StuffCmds_f ();
Cbuf_Execute_Sets ();
CL_Cam_Init_Cvars ();
CL_Input_Init_Cvars ();
Skin_Init_Cvars ();
CL_Init_Cvars ();
CL_Prediction_Init_Cvars ();
COM_Init_Cvars ();
Con_Init_Cvars ();
Draw_Init_Cvars ();
COM_Filesystem_Init_Cvars ();
IN_Init_Cvars ();
Key_Init_Cvars ();
Mod_Init_Cvars ();
Netchan_Init_Cvars ();
Pmove_Init_Cvars ();
R_Init_Cvars ();
S_Init_Cvars ();
SCR_Init_Cvars ();
Team_Init_Cvars ();
V_Init_Cvars ();
VID_Init_Cvars ();
cl_Cmd_Init ();
V_Init ();
COM_Init ();
NET_Init (PORT_CLIENT);
Netchan_Init ();
W_LoadWadFile ("gfx.wad");
Key_Init ();
Con_Init ();
Mod_Init ();
// Con_Printf ("Exe: "__TIME__" "__DATE__"\n");
Con_Printf ("%4.1f megs RAM used.\n", host_parms.memsize / (1024 * 1024.0));
R_Textures_Init ();
host_basepal = (byte *) COM_LoadHunkFile ("gfx/palette.lmp");
if (!host_basepal)
Sys_Error ("Couldn't load gfx/palette.lmp");
host_colormap = (byte *) COM_LoadHunkFile ("gfx/colormap.lmp");
if (!host_colormap)
Sys_Error ("Couldn't load gfx/colormap.lmp");
#ifdef __linux__
CDAudio_Init ();
VID_Init (host_basepal);
IN_Init ();
M_Init ();
Draw_Init ();
SCR_Init ();
R_Init ();
S_Init ();
cls.state = ca_disconnected;
Sbar_Init ();
Skin_Init ();
CL_Init ();
#else
VID_Init (host_basepal);
Draw_Init ();
SCR_Init ();
R_Init ();
S_Init ();
cls.state = ca_disconnected;
CDAudio_Init ();
Sbar_Init ();
Skin_Init ();
CL_Init ();
IN_Init ();
M_Init ();
#endif
// Reparse the command line for + commands.
// (Note, no non-base commands exist yet)
if (check_quakerc ()) {
Cmd_StuffCmds_f ();
Cbuf_Execute ();
}
Cbuf_InsertText ("exec quake.rc\n");
Cbuf_AddText
("echo Type connect <internet address> or use a server browser to connect to a game.\n");
Cbuf_AddText ("cl_warncmd 1\n");
Hunk_AllocName (0, "-HOST_HUNKLEVEL-");
host_hunklevel = Hunk_LowMark ();
host_initialized = true;
Con_Printf ("\nClient version %s (build %04d)\n\n", VERSION,
build_number ());
Con_Printf ("<EFBFBD><EFBFBD><EFBFBD><EFBFBD> %s initialized <20><><EFBFBD><EFBFBD>\n", PROGRAM);
}
/*
Host_Shutdown
FIXME: this is a callback from Sys_Quit and Sys_Error. It would be better
to run quit through here before the final handoff to the sys code.
*/
void
Host_Shutdown (void)
{
static qboolean isdown = false;
if (isdown) {
printf ("recursive shutdown\n");
return;
}
isdown = true;
SL_Shutdown (slist);
Host_WriteConfiguration ();
CDAudio_Shutdown ();
NET_Shutdown ();
S_Shutdown ();
IN_Shutdown ();
if (host_basepal)
VID_Shutdown ();
}
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