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quakeforge/qw/source/sv_user.c
Bill Currie 75f2102adc Do the incoming/outgoing sequence checks before doing anything. 
This fixes the bogus ping times found while checking out klik with qqshka.
2010-12-22 13:10:27 +09:00

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/*
sv_user.c
server code for moving users
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
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
static __attribute__ ((used)) const char rcsid[] =
"$Id$";
#ifdef HAVE_STRING_H
# include <string.h>
#endif
#ifdef HAVE_STRINGS_H
# include <strings.h>
#endif
#include <math.h>
#include <stdarg.h>
#include <stdlib.h>
#include <ctype.h>
#include "QF/cbuf.h"
#include "QF/idparse.h"
#include "QF/checksum.h"
#include "QF/clip_hull.h"
#include "QF/cmd.h"
#include "QF/cvar.h"
#include "QF/dstring.h"
#include "QF/hash.h"
#include "QF/msg.h"
#include "QF/quakefs.h"
#include "QF/sys.h"
#include "QF/va.h"
#include "qw/msg_ucmd.h"
#include "qw/msg_ucmd.h"
#include "qw/bothdefs.h"
#include "compat.h"
#include "qw/pmove.h"
#include "server.h"
#include "sv_gib.h"
#include "sv_progs.h"
#include "sv_recorder.h"
#include "world.h"
typedef struct ucmd_s {
const char *name;
void (*func) (void *userdata);
unsigned no_redirect:1;
unsigned overridable:1;
unsigned freeable:1;
void *userdata;
void (*on_free) (void *userdata);
} ucmd_t;
edict_t *sv_player;
usercmd_t cmd;
cvar_t *sv_allowfake;
cvar_t *cl_rollspeed;
cvar_t *cl_rollangle;
cvar_t *sv_spectalk;
cvar_t *sv_kickfake;
cvar_t *sv_mapcheck;
cvar_t *sv_timecheck_mode;
cvar_t *sv_timekick;
cvar_t *sv_timekick_fuzz;
cvar_t *sv_timekick_interval;
cvar_t *sv_timecheck_fuzz;
cvar_t *sv_timecheck_decay;
cvar_t *sv_http_url_base;
static void OutofBandPrintf (netadr_t where, const char *fmt, ...) __attribute__ ((format (printf, 2, 3)));
// USER STRINGCMD EXECUTION host_client and sv_player will be valid.
void
SV_WriteWorldVars (netchan_t *netchan)
{
// send full levelname
MSG_WriteString (&netchan->message,
PR_GetString (&sv_pr_state,
SVstring (sv.edicts, message)));
// send the movevars
MSG_WriteFloat (&netchan->message, movevars.gravity);
MSG_WriteFloat (&netchan->message, movevars.stopspeed);
MSG_WriteFloat (&netchan->message, movevars.maxspeed);
MSG_WriteFloat (&netchan->message, movevars.spectatormaxspeed);
MSG_WriteFloat (&netchan->message, movevars.accelerate);
MSG_WriteFloat (&netchan->message, movevars.airaccelerate);
MSG_WriteFloat (&netchan->message, movevars.wateraccelerate);
MSG_WriteFloat (&netchan->message, movevars.friction);
MSG_WriteFloat (&netchan->message, movevars.waterfriction);
MSG_WriteFloat (&netchan->message, movevars.entgravity);
// send music
MSG_WriteByte (&netchan->message, svc_cdtrack);
MSG_WriteByte (&netchan->message, SVfloat (sv.edicts, sounds));
// send server info string
MSG_WriteByte (&netchan->message, svc_stufftext);
MSG_WriteString (&netchan->message,
va ("fullserverinfo \"%s\"\n",
Info_MakeString (svs.info, 0)));
}
/*
SV_New_f
Sends the first message from the server to a connected client.
This will be sent on the initial connection and upon each server load.
*/
static void
SV_New_f (void *unused)
{
int playernum;
const char *gamedir;
if (host_client->state == cs_spawned)
return;
gamedir = Info_ValueForKey (svs.info, "*gamedir");
if (!gamedir[0])
gamedir = "qw";
host_client->state = cs_connected;
host_client->connection_started = realtime;
// send the info about the new client to all connected clients
// NOTE: This doesn't go through MSG_ReliableWrite since it's before the
// user spawns. These functions are written to not overflow
if (host_client->backbuf.num_backbuf) {
SV_Printf ("WARNING %s: [SV_New] Back buffered (%d), clearing\n",
host_client->name, host_client->netchan.message.cursize);
host_client->backbuf.num_backbuf = 0;
SZ_Clear (&host_client->netchan.message);
}
// send the serverdata
MSG_WriteByte (&host_client->netchan.message, svc_serverdata);
MSG_WriteLong (&host_client->netchan.message, PROTOCOL_VERSION);
MSG_WriteLong (&host_client->netchan.message, svs.spawncount);
MSG_WriteString (&host_client->netchan.message, gamedir);
playernum = NUM_FOR_EDICT (&sv_pr_state, host_client->edict) - 1;
if (host_client->spectator)
playernum |= 128;
MSG_WriteByte (&host_client->netchan.message, playernum);
SV_WriteWorldVars (&host_client->netchan);
// Trigger GIB connection event
if (sv_client_connect_e->func)
GIB_Event_Callback (sv_client_connect_e, 1,
va ("%u", host_client->userid));
}
void
SV_WriteSoundlist (netchan_t *netchan, int n)
{
const char **s;
MSG_WriteByte (&netchan->message, svc_soundlist);
MSG_WriteByte (&netchan->message, n);
for (s = sv.sound_precache + 1 + n;
*s && netchan->message.cursize < (MAX_MSGLEN / 2);
s++, n++)
MSG_WriteString (&netchan->message, *s);
MSG_WriteByte (&netchan->message, 0);
// next msg
if (*s)
MSG_WriteByte (&netchan->message, n);
else
MSG_WriteByte (&netchan->message, 0);
}
static void
SV_Soundlist_f (void *unused)
{
unsigned n;
if (host_client->state != cs_connected) {
SV_Printf ("soundlist not valid -- already spawned\n");
return;
}
// handle the case of a level changing while a client was connecting
if (atoi (Cmd_Argv (1)) != svs.spawncount) {
SV_Printf ("SV_Soundlist_f from different level\n");
SV_New_f (0);
return;
}
n = atoi (Cmd_Argv (2));
if (n >= MAX_SOUNDS) {
SV_Printf ("SV_Soundlist_f: Invalid soundlist index\n");
SV_New_f (0);
return;
}
// NOTE: This doesn't go through MSG_ReliableWrite since it's before the
// user spawns. These functions are written to not overflow
if (host_client->backbuf.num_backbuf) {
SV_Printf ("WARNING %s: [SV_Soundlist] Back buffered (%d), clearing",
host_client->name, host_client->netchan.message.cursize);
host_client->backbuf.num_backbuf = 0;
SZ_Clear (&host_client->netchan.message);
}
SV_WriteSoundlist (&host_client->netchan, n);
}
void
SV_WriteModellist (netchan_t *netchan, int n)
{
const char **s;
MSG_WriteByte (&netchan->message, svc_modellist);
MSG_WriteByte (&netchan->message, n);
for (s = sv.model_precache + 1 + n;
*s && netchan->message.cursize < (MAX_MSGLEN / 2);
s++, n++)
MSG_WriteString (&netchan->message, *s);
MSG_WriteByte (&netchan->message, 0);
// next msg
if (*s)
MSG_WriteByte (&netchan->message, n);
else
MSG_WriteByte (&netchan->message, 0);
}
static void
SV_Modellist_f (void *unused)
{
unsigned n;
if (host_client->state != cs_connected) {
SV_Printf ("modellist not valid -- already spawned\n");
return;
}
// handle the case of a level changing while a client was connecting
if (atoi (Cmd_Argv (1)) != svs.spawncount) {
SV_Printf ("SV_Modellist_f from different level\n");
SV_New_f (0);
return;
}
n = atoi (Cmd_Argv (2));
if (n >= MAX_MODELS) {
SV_Printf ("SV_Modellist_f: Invalid modellist index\n");
SV_New_f (0);
return;
}
// NOTE: This doesn't go through MSG_ReliableWrite since it's before the
// user spawns. These functions are written to not overflow
if (host_client->backbuf.num_backbuf) {
SV_Printf ("WARNING %s: [SV_Modellist] Back buffered (%d0, clearing",
host_client->name, host_client->netchan.message.cursize);
host_client->backbuf.num_backbuf = 0;
SZ_Clear (&host_client->netchan.message);
}
SV_WriteModellist (&host_client->netchan, n);
}
static void
SV_PreSpawn_f (void *unused)
{
char *command;
int buf, size;
unsigned int check;
sizebuf_t *msg;
if (host_client->state != cs_connected) {
SV_Printf ("prespawn not valid -- already spawned\n");
return;
}
// handle the case of a level changing while a client was connecting
if (atoi (Cmd_Argv (1)) != svs.spawncount) {
SV_Printf ("SV_PreSpawn_f from different level\n");
SV_New_f (0);
return;
}
buf = atoi (Cmd_Argv (2));
if (buf >= sv.num_signon_buffers)
buf = 0;
if (!buf) {
// should be three numbers following containing checksums
check = atoi (Cmd_Argv (3));
// Sys_MaskPrintf (SYS_DEV, , "Client check = %d\n", check);
if (sv_mapcheck->int_val && check != sv.worldmodel->checksum &&
check != sv.worldmodel->checksum2) {
SV_ClientPrintf (1, host_client, PRINT_HIGH, "Map model file does "
"not match (%s), %i != %i/%i.\n"
"You may need a new version of the map, or the "
"proper install files.\n",
sv.modelname, check, sv.worldmodel->checksum,
sv.worldmodel->checksum2);
SV_DropClient (host_client);
return;
}
}
host_client->prespawned = true;
if (buf == sv.num_signon_buffers - 1)
command = va ("cmd spawn %i 0\n", svs.spawncount);
else
command = va ("cmd prespawn %i %i\n", svs.spawncount, buf + 1);
size = sv.signon_buffer_size[buf] + 1 + strlen (command) + 1;
MSG_ReliableCheckBlock (&host_client->backbuf, size);
if (host_client->backbuf.num_backbuf)
msg = &host_client->backbuf.backbuf;
else
msg = &host_client->netchan.message;
SZ_Write (msg, sv.signon_buffers[buf], sv.signon_buffer_size[buf]);
MSG_WriteByte (msg, svc_stufftext);
MSG_WriteString (msg, command);
}
void
SV_Spawn (client_t *client)
{
edict_t *ent;
// set up the edict
ent = client->edict;
memset (&ent->v, 0, sv_pr_state.progs->entityfields * 4);
SVfloat (ent, colormap) = NUM_FOR_EDICT (&sv_pr_state, ent);
SVfloat (ent, team) = 0; // FIXME
SVstring (ent, netname) = PR_SetString (&sv_pr_state, client->name);
client->entgravity = 1.0;
if (sv_fields.gravity != -1)
SVfloat (ent, gravity) = 1.0;
client->maxspeed = sv_maxspeed->value;
if (sv_fields.maxspeed != -1)
SVfloat (ent, maxspeed) = sv_maxspeed->value;
}
void
SV_WriteSpawn1 (backbuf_t *backbuf, int n)
{
int i;
client_t *client;
// normally this could overflow, but no need to check due to backbuf
for (i = n, client = svs.clients + n; i < MAX_CLIENTS; i++, client++)
SV_FullClientUpdateToClient (client, backbuf);
// send all current light styles
for (i = 0; i < MAX_LIGHTSTYLES; i++) {
MSG_ReliableWrite_Begin (backbuf, svc_lightstyle,
3 + (sv.lightstyles[i] ?
strlen (sv.lightstyles[i]) : 1));
MSG_ReliableWrite_Byte (backbuf, (char) i);
MSG_ReliableWrite_String (backbuf, sv.lightstyles[i]);
}
}
void
SV_WriteSpawn2 (backbuf_t *backbuf)
{
MSG_ReliableWrite_Begin (backbuf, svc_updatestatlong, 6);
MSG_ReliableWrite_Byte (backbuf, STAT_TOTALSECRETS);
MSG_ReliableWrite_Long (backbuf, *sv_globals.total_secrets);
MSG_ReliableWrite_Begin (backbuf, svc_updatestatlong, 6);
MSG_ReliableWrite_Byte (backbuf, STAT_TOTALMONSTERS);
MSG_ReliableWrite_Long (backbuf, *sv_globals.total_monsters);
MSG_ReliableWrite_Begin (backbuf, svc_updatestatlong, 6);
MSG_ReliableWrite_Byte (backbuf, STAT_SECRETS);
MSG_ReliableWrite_Long (backbuf, *sv_globals.found_secrets);
MSG_ReliableWrite_Begin (backbuf, svc_updatestatlong, 6);
MSG_ReliableWrite_Byte (backbuf, STAT_MONSTERS);
MSG_ReliableWrite_Long (backbuf, *sv_globals.killed_monsters);
}
static void
SV_Spawn_f (void *unused)
{
int n;
if (host_client->state != cs_connected) {
SV_Printf ("Spawn not valid -- already spawned\n");
return;
}
// handle the case of a level changing while a client was connecting
if (atoi (Cmd_Argv (1)) != svs.spawncount) {
SV_Printf ("SV_Spawn_f from different level\n");
SV_New_f (0);
return;
}
// make sure they're not trying to cheat by spawning without prespawning
if (host_client->prespawned == false) {
SV_BroadcastPrintf (PRINT_HIGH, "%s has been kicked for trying to "
"spawn before prespawning!\n", host_client->name);
SV_DropClient (host_client);
return;
}
n = atoi (Cmd_Argv (2));
// make sure n is valid
if (n < 0 || n > MAX_CLIENTS) {
SV_Printf ("SV_Spawn_f invalid client start\n");
SV_New_f (0);
return;
}
host_client->spawned = true;
// send all current names, colors, and frag counts
// FIXME: is this a good thing?
SZ_Clear (&host_client->netchan.message);
// send current status of all other players
SV_WriteSpawn1 (&host_client->backbuf, n);
SV_Spawn (host_client);
SV_WriteSpawn2 (&host_client->backbuf);
//
// force stats to be updated
//
memset (host_client->stats, 0, sizeof (host_client->stats));
// get the client to check and download skins
// when that is completed, a begin command will be issued
MSG_ReliableWrite_Begin (&host_client->backbuf, svc_stufftext, 8);
MSG_ReliableWrite_String (&host_client->backbuf, "skins\n");
}
static void
SV_SpawnSpectator (void)
{
int i;
edict_t *e;
VectorZero (SVvector (sv_player, origin));
VectorZero (SVvector (sv_player, view_ofs));
SVvector (sv_player, view_ofs)[2] = 22;
// search for an info_playerstart to spawn the spectator at
for (i = MAX_CLIENTS - 1; i < sv.num_edicts; i++) {
e = EDICT_NUM (&sv_pr_state, i);
if (!strcmp (PR_GetString (&sv_pr_state, SVstring (e, classname)),
"info_player_start")) {
VectorCopy (SVvector (e, origin), SVvector (sv_player, origin));
return;
}
}
}
static void
SV_Begin_f (void *unused)
{
unsigned int pmodel = 0, emodel = 0;
int i;
if (host_client->state != cs_connected)
return; // don't begin again
host_client->state = cs_spawned;
// handle the case of a level changing while a client was connecting
if (atoi (Cmd_Argv (1)) != svs.spawncount) {
SV_Printf ("SV_Begin_f from different level\n");
SV_New_f (0);
return;
}
// make sure they're not trying to cheat by beginning without spawning
if (host_client->spawned == false) {
SV_BroadcastPrintf (PRINT_HIGH, "%s has been kicked for trying to "
"begin before spawning!\n"
"Have a nice day!\n", // 1 string!
host_client->name);
SV_DropClient (host_client);
return;
}
if (host_client->spectator) {
SV_SpawnSpectator ();
if (sv_funcs.SpectatorConnect) {
// copy spawn parms out of the client_t
for (i = 0; i < NUM_SPAWN_PARMS; i++)
sv_globals.parms[i] = host_client->spawn_parms[i];
// call the spawn function
*sv_globals.time = sv.time;
*sv_globals.self = EDICT_TO_PROG (&sv_pr_state, sv_player);
PR_ExecuteProgram (&sv_pr_state, sv_funcs.SpectatorConnect);
}
} else {
// copy spawn parms out of the client_t
for (i = 0; i < NUM_SPAWN_PARMS; i++)
sv_globals.parms[i] = host_client->spawn_parms[i];
// call the spawn function
*sv_globals.time = sv.time;
*sv_globals.self = EDICT_TO_PROG (&sv_pr_state, sv_player);
PR_ExecuteProgram (&sv_pr_state, sv_funcs.ClientConnect);
// actually spawn the player
*sv_globals.time = sv.time;
*sv_globals.self = EDICT_TO_PROG (&sv_pr_state, sv_player);
PR_ExecuteProgram (&sv_pr_state, sv_funcs.PutClientInServer);
}
// clear the net statistics, because connecting gives a bogus picture
host_client->last_check = -1;
host_client->msecs = 0;
host_client->netchan.frame_latency = 0;
host_client->netchan.frame_rate = 0;
host_client->netchan.drop_count = 0;
host_client->netchan.good_count = 0;
// check he's not cheating
pmodel = atoi (Info_ValueForKey (host_client->userinfo, "pmodel"));
emodel = atoi (Info_ValueForKey (host_client->userinfo, "emodel"));
if (pmodel != sv.model_player_checksum || emodel
!= sv.eyes_player_checksum)
SV_BroadcastPrintf (PRINT_HIGH, "%s WARNING: non standard "
"player/eyes model detected\n", host_client->name);
// if we are paused, tell the client
if (sv.paused) {
MSG_ReliableWrite_Begin (&host_client->backbuf, svc_setpause, 2);
MSG_ReliableWrite_Byte (&host_client->backbuf, sv.paused);
SV_ClientPrintf (1, host_client, PRINT_HIGH, "Server is paused.\n");
}
#if 0
// send a fixangle over the reliable channel to make sure it gets there
// Never send a roll angle, because savegames can catch the server
// in a state where it is expecting the client to correct the angle
// and it won't happen if the game was just loaded, so you wind up
// with a permanent head tilt
ent = EDICT_NUM (&sv_pr_state, 1 + (host_client - svs.clients));
MSG_WriteByte (&host_client->netchan.message, svc_setangle);
for (i = 0; i < 2; i++)
MSG_WriteAngle (&host_client->netchan.message,
SVvector (ent, angles)[i]);
MSG_WriteAngle (&host_client->netchan.message, 0);
#endif
// Trigger GIB events
if (sv_client_spawn_e->func)
GIB_Event_Callback (sv_client_spawn_e, 1, va ("%u",
host_client->userid));
}
//=============================================================================
static void
SV_NextDownload_f (void *unused)
{
byte buffer[768]; // FIXME protocol limit? could be bigger?
int percent, size;
size_t r;
if (!host_client->download)
return;
r = host_client->downloadsize - host_client->downloadcount;
if (r > sizeof (buffer))
r = sizeof (buffer);
r = Qread (host_client->download, buffer, r);
MSG_ReliableWrite_Begin (&host_client->backbuf, svc_download, 6 + r);
MSG_ReliableWrite_Short (&host_client->backbuf, r);
host_client->downloadcount += r;
size = host_client->downloadsize;
if (!size)
size = 1;
percent = host_client->downloadcount * 100 / size;
MSG_ReliableWrite_Byte (&host_client->backbuf, percent);
MSG_ReliableWrite_SZ (&host_client->backbuf, buffer, r);
if (host_client->downloadcount != host_client->downloadsize)
return;
Qclose (host_client->download);
host_client->download = NULL;
}
static void
SV_NextUpload (void)
{
int percent, size;
if (!host_client->uploadfn) {
SV_ClientPrintf (1, host_client, PRINT_HIGH, "Upload denied\n");
MSG_ReliableWrite_Begin (&host_client->backbuf, svc_stufftext, 8);
MSG_ReliableWrite_String (&host_client->backbuf, "stopul");
// suck out rest of packet
size = MSG_ReadShort (net_message);
MSG_ReadByte (net_message);
net_message->readcount += size;
return;
}
size = MSG_ReadShort (net_message);
percent = MSG_ReadByte (net_message);
if (!host_client->upload) {
host_client->upload = QFS_Open (host_client->uploadfn->str, "wb");
if (!host_client->upload) {
SV_Printf ("Can't create %s\n", host_client->uploadfn->str);
MSG_ReliableWrite_Begin (&host_client->backbuf, svc_stufftext, 8);
MSG_ReliableWrite_String (&host_client->backbuf, "stopul");
dstring_delete (host_client->uploadfn);
host_client->uploadfn = 0;
return;
}
SV_Printf ("Receiving %s from %d...\n", host_client->uploadfn->str,
host_client->userid);
if (host_client->remote_snap)
OutofBandPrintf (host_client->snap_from,
"Server receiving %s from %d...\n",
host_client->uploadfn->str, host_client->userid);
}
Qwrite (host_client->upload, net_message->message->data +
net_message->readcount, size);
net_message->readcount += size;
Sys_MaskPrintf (SYS_DEV, "UPLOAD: %d received\n", size);
if (percent != 100) {
MSG_ReliableWrite_Begin (&host_client->backbuf, svc_stufftext, 8);
MSG_ReliableWrite_String (&host_client->backbuf, "nextul\n");
} else {
Qclose (host_client->upload);
host_client->upload = NULL;
SV_Printf ("%s upload completed.\n", host_client->uploadfn->str);
if (host_client->remote_snap) {
char *p;
if ((p = strchr (host_client->uploadfn->str, '/')) != NULL)
p++;
else
p = host_client->uploadfn->str;
OutofBandPrintf (host_client->snap_from, "%s upload completed.\n"
"To download, enter:\ndownload %s\n",
host_client->uploadfn->str, p);
}
dstring_delete (host_client->uploadfn);
host_client->uploadfn = 0;
}
}
static void
SV_BeginDownload_f (void *unused)
{
const char *name;
dstring_t *realname;
int http, size, zip;
QFile *file;
name = Cmd_Argv (1);
// hacked by zoid to allow more conrol over download
// first off, no .. or global allow check
if (strstr (name, "..") || !allow_download->int_val
// leading dot is no good
|| *name == '.'
// next up, skin check
|| (strncmp (name, "skins/", 6) == 0 && !allow_download_skins->int_val)
// now models
|| (strncmp (name, "progs/", 6) == 0 &&
!allow_download_models->int_val)
// now sounds
|| (strncmp (name, "sound/", 6) == 0 &&
!allow_download_sounds->int_val)
// now maps (note special case for maps, must not be in pak)
|| (strncmp (name, "maps/", 5) == 0 && !allow_download_maps->int_val)
// MUST be in a subdirectory
|| !strstr (name, "/")) { // don't allow anything with .. path
MSG_ReliableWrite_Begin (&host_client->backbuf, svc_download, 4);
MSG_ReliableWrite_Short (&host_client->backbuf, -1);
MSG_ReliableWrite_Byte (&host_client->backbuf, 0);
return;
}
if (host_client->download) {
Qclose (host_client->download);
host_client->download = NULL;
}
zip = strchr (Info_ValueForKey (host_client->userinfo, "*cap"), 'z') != 0;
http = sv_http_url_base->string[0]
&& strchr (Info_ValueForKey (host_client->userinfo, "*cap"), 'h');
realname = dstring_newstr ();
size = _QFS_FOpenFile (name, &file, realname, !zip);
host_client->download = file;
host_client->downloadsize = size;
host_client->downloadcount = 0;
if (!host_client->download
// ZOID: special check for maps, if it came from a pak file, don't
// allow download
|| (strncmp (name, "maps/", 5) == 0 && file_from_pak)) {
if (host_client->download) {
Qclose (host_client->download);
host_client->download = NULL;
}
SV_Printf ("Couldn't download %s to %s\n", name, host_client->name);
MSG_ReliableWrite_Begin (&host_client->backbuf, svc_download, 4);
MSG_ReliableWrite_Short (&host_client->backbuf, DL_NOFILE);
MSG_ReliableWrite_Byte (&host_client->backbuf, 0);
dstring_delete (realname);
return;
}
if (http) {
int size;
int ren = zip && strcmp (realname->str, name);
SV_Printf ("http redirect: %s/%s\n", sv_http_url_base->string,
realname->str);
size = ren ? strlen (realname->str) * 2 : strlen (name);
size += strlen (sv_http_url_base->string) + 7;
MSG_ReliableWrite_Begin (&host_client->backbuf, svc_download, size);
MSG_ReliableWrite_Short (&host_client->backbuf, DL_HTTP);
MSG_ReliableWrite_Byte (&host_client->backbuf, 0);
MSG_ReliableWrite_String (&host_client->backbuf,
va ("%s/%s", sv_http_url_base->string,
ren ? realname->str : name));
MSG_ReliableWrite_String (&host_client->backbuf,
ren ? realname->str : "");
if (host_client->download) {
Qclose (host_client->download);
host_client->download = NULL;
}
} else {
if (zip && strcmp (realname->str, name)) {
SV_Printf ("download renamed to %s\n", realname->str);
MSG_ReliableWrite_Begin (&host_client->backbuf, svc_download,
strlen (realname->str) + 5);
MSG_ReliableWrite_Short (&host_client->backbuf, DL_RENAME);
MSG_ReliableWrite_Byte (&host_client->backbuf, 0);
MSG_ReliableWrite_String (&host_client->backbuf, realname->str);
MSG_Reliable_FinishWrite (&host_client->backbuf);
}
}
dstring_delete (realname);
SV_NextDownload_f (0);
SV_Printf ("Downloading %s to %s\n", name, host_client->name);
}
//=============================================================================
static void
SV_Say (qboolean team)
{
char *i, *p;
dstring_t *text;
const char *t1 = 0, *t2, *type, *fmt;
client_t *client;
int tmp, j, cls = 0;
sizebuf_t *dbuf;
if (Cmd_Argc () < 2)
return;
if (host_client->state < cs_connected)
return;
if (team)
t1 = Info_ValueForKey (host_client->userinfo, "team");
if (fp_messages) {
if (!sv.paused && realtime < host_client->lockedtill) {
SV_ClientPrintf (1, host_client, PRINT_CHAT,
"You can't talk for %d more seconds\n",
(int) (host_client->lockedtill - realtime));
return;
}
tmp = host_client->whensaidhead - fp_messages + 1;
if (tmp < 0)
tmp = 10 + tmp;
if (!sv.paused && host_client->whensaid[tmp]
&& (realtime - host_client->whensaid[tmp] < fp_persecond)) {
host_client->lockedtill = realtime + fp_secondsdead;
if (fp_msg[0])
SV_ClientPrintf (1, host_client, PRINT_CHAT,
"FloodProt: %s\n", fp_msg);
else
SV_ClientPrintf (1, host_client, PRINT_CHAT,
"FloodProt: You can't talk for %d seconds.\n",
fp_secondsdead);
return;
}
host_client->whensaidhead++;
if (host_client->whensaidhead > 9)
host_client->whensaidhead = 0;
host_client->whensaid[host_client->whensaidhead] = realtime;
}
p = Hunk_TempAlloc (strlen (Cmd_Args (1)) + 1);
strcpy (p, Cmd_Args (1));
if (*p == '"') {
p++;
p[strlen (p) - 1] = 0;
}
if (!sv_allowfake->int_val || (!team && sv_allowfake->int_val == 2)) {
for (i = p; *i; i++) {
if (*i == 13) { // ^M
if (sv_kickfake->int_val) {
SV_BroadcastPrintf (PRINT_HIGH, "%s was kicked for "
"attempting to fake messages\n",
host_client->name);
SV_ClientPrintf (1, host_client, PRINT_HIGH, "You were kicked "
"for attempting to fake messages\n");
SV_DropClient (host_client);
return;
} else
*i = '#';
}
}
}
if (sv_funcs.ChatMessage) {
PR_PushFrame (&sv_pr_state);
PR_RESET_PARAMS (&sv_pr_state);
P_STRING (&sv_pr_state, 0) = PR_SetTempString (&sv_pr_state, p);
P_FLOAT (&sv_pr_state, 1) = (float) team;
*sv_globals.time = sv.time;
*sv_globals.self = EDICT_TO_PROG (&sv_pr_state, sv_player);
PR_ExecuteProgram (&sv_pr_state, sv_funcs.ChatMessage);
PR_PopFrame (&sv_pr_state);
if (R_FLOAT (&sv_pr_state))
return;
}
text = dstring_new ();
if (host_client->spectator && (!sv_spectalk->int_val || team)) {
fmt = "[SPEC] %s: ";
type = "2";
} else if (team) {
fmt = "(%s): ";
type = "1";
} else {
fmt = "%s: ";
type = "0";
}
dsprintf (text, fmt, host_client->name);
if (sv_chat_e->func)
GIB_Event_Callback (sv_chat_e, 2, va ("%i", host_client->userid), p,
type);
dstring_appendstr (text, p);
dstring_appendstr (text, "\n");
SV_Printf ("%s", text->str);
for (j = 0, client = svs.clients; j < MAX_CLIENTS; j++, client++) {
if (client->state < cs_connected) // Clients connecting can hear. //FIXME record to mvd?
continue;
if (host_client->spectator && !sv_spectalk->int_val)
if (!client->spectator)
continue;
if (team) {
// the spectator team
if (host_client->spectator) {
if (!client->spectator)
continue;
} else {
t2 = Info_ValueForKey (client->userinfo, "team");
if (strcmp (t1, t2) || client->spectator)
continue; // on different teams
}
}
cls |= 1 << j;
SV_ClientPrintf (0, client, PRINT_CHAT, "%s", text->str);
}
if (!sv.recorders || !cls) {
dstring_delete (text);
return;
}
// non-team messages should be seen allways, even if not tracking any
// player
if (!team && ((host_client->spectator && sv_spectalk->value)
|| !host_client->spectator)) {
dbuf = SVR_WriteBegin (dem_all, 0, strlen (text->str) + 3);
} else {
dbuf = SVR_WriteBegin (dem_multiple, cls, strlen (text->str) + 3);
}
MSG_WriteByte (dbuf, svc_print);
MSG_WriteByte (dbuf, PRINT_CHAT);
MSG_WriteString (dbuf, text->str);
dstring_delete (text);
}
static void
SV_Say_f (void *unused)
{
SV_Say (false);
}
static void
SV_Say_Team_f (void *unused)
{
SV_Say (true);
}
//============================================================================
/*
SV_Pings_f
The client is showing the scoreboard, so send new ping times for all
clients
*/
static void
SV_Pings_f (void *unused)
{
client_t *client;
int j;
for (j = 0, client = svs.clients; j < MAX_CLIENTS; j++, client++) {
if (client->state != cs_spawned && client->state != cs_server)
continue;
MSG_ReliableWrite_Begin (&host_client->backbuf, svc_updateping, 4);
MSG_ReliableWrite_Byte (&host_client->backbuf, j);
MSG_ReliableWrite_Short (&host_client->backbuf, SV_CalcPing (client));
MSG_ReliableWrite_Begin (&host_client->backbuf, svc_updatepl, 4);
MSG_ReliableWrite_Byte (&host_client->backbuf, j);
MSG_ReliableWrite_Byte (&host_client->backbuf, client->lossage);
}
}
static void
SV_Kill_f (void *unused)
{
if (SVfloat (sv_player, health) <= 0) {
SV_BeginRedirect (RD_CLIENT);
SV_ClientPrintf (1, host_client, PRINT_HIGH,
"Can't suicide -- already dead!\n");
SV_EndRedirect ();
return;
}
*sv_globals.time = sv.time;
*sv_globals.self = EDICT_TO_PROG (&sv_pr_state, sv_player);
PR_ExecuteProgram (&sv_pr_state, sv_funcs.ClientKill);
}
void
SV_TogglePause (const char *msg)
{
client_t *cl;
int i;
sv.paused ^= 1;
net_nochoke = sv.paused;
if (msg)
SV_BroadcastPrintf (PRINT_HIGH, "%s", msg);
// send notification to all clients
for (i = 0, cl = svs.clients; i < MAX_CLIENTS; i++, cl++) {
if (cl->state < cs_zombie)
continue;
MSG_ReliableWrite_Begin (&cl->backbuf, svc_setpause, 2);
MSG_ReliableWrite_Byte (&cl->backbuf, sv.paused);
}
}
static void
SV_Pause_f (void *unused)
{
char st[sizeof (host_client->name) + 32];
static double lastpausetime;
double currenttime;
currenttime = Sys_DoubleTime ();
if (lastpausetime + 1 > currenttime) {
SV_ClientPrintf (1, host_client, PRINT_HIGH,
"Pause flood not allowed.\n");
return;
}
lastpausetime = currenttime;
if (!pausable->int_val) {
SV_ClientPrintf (1, host_client, PRINT_HIGH, "Pause not allowed.\n");
return;
}
if (host_client->spectator) {
SV_ClientPrintf (1, host_client, PRINT_HIGH,
"Spectators can not pause.\n");
return;
}
if (!sv.paused)
snprintf (st, sizeof (st), "%s paused the game\n", host_client->name);
else
snprintf (st, sizeof (st), "%s unpaused the game\n",
host_client->name);
SV_TogglePause (st);
}
/*
SV_Drop_f
The client is going to disconnect, so remove the connection immediately
*/
static void
SV_Drop_f (void *unused)
{
SV_EndRedirect ();
if (!host_client->spectator)
SV_BroadcastPrintf (PRINT_HIGH, "%s dropped\n", host_client->name);
SV_DropClient (host_client);
}
/*
SV_PTrack_f
Change the bandwidth estimate for a client
*/
static void
SV_PTrack_f (void *unused)
{
edict_t *ent, *tent;
int i;
if (!host_client->spectator)
return;
if (Cmd_Argc () != 2) {
// turn off tracking
host_client->spec_track = 0;
ent = EDICT_NUM (&sv_pr_state, host_client - svs.clients + 1);
tent = EDICT_NUM (&sv_pr_state, 0);
SVentity (ent, goalentity) = EDICT_TO_PROG (&sv_pr_state, tent);
return;
}
i = atoi (Cmd_Argv (1));
if (i < 0 || i >= MAX_CLIENTS
|| (svs.clients[i].state != cs_spawned
&& svs.clients[i].state != cs_server)
|| svs.clients[i].spectator) {
SV_ClientPrintf (1, host_client, PRINT_HIGH,
"Invalid client to track\n");
host_client->spec_track = 0;
ent = EDICT_NUM (&sv_pr_state, host_client - svs.clients + 1);
tent = EDICT_NUM (&sv_pr_state, 0);
SVentity (ent, goalentity) = EDICT_TO_PROG (&sv_pr_state, tent);
return;
}
host_client->spec_track = i + 1; // now tracking
ent = EDICT_NUM (&sv_pr_state, host_client - svs.clients + 1);
tent = EDICT_NUM (&sv_pr_state, i + 1);
SVentity (ent, goalentity) = EDICT_TO_PROG (&sv_pr_state, tent);
}
/*
SV_Rate_f
Change the bandwidth estimate for a client
*/
static void
SV_Rate_f (void *unused)
{
int rate;
if (Cmd_Argc () != 2) {
SV_ClientPrintf (1, host_client, PRINT_HIGH, "Current rate is %i\n",
(int) (1.0 / host_client->netchan.rate + 0.5));
return;
}
rate = atoi (Cmd_Argv (1));
if (sv_maxrate->int_val) {
rate = bound (500, rate, sv_maxrate->int_val);
} else {
rate = max (500, rate);
}
SV_ClientPrintf (1, host_client, PRINT_HIGH, "Net rate set to %i\n", rate);
host_client->netchan.rate = 1.0 / rate;
}
/*
SV_Msg_f
Change the message level for a client
*/
static void
SV_Msg_f (void *unused)
{
if (Cmd_Argc () != 2) {
SV_ClientPrintf (1, host_client, PRINT_HIGH,
"Current msg level is %i\n",
host_client->messagelevel);
return;
}
host_client->messagelevel = atoi (Cmd_Argv (1));
SV_ClientPrintf (1, host_client, PRINT_HIGH, "Msg level set to %i\n",
host_client->messagelevel);
}
void
SV_SetUserinfo (client_t *client, const char *key, const char *value)
{
char *oldvalue = 0;
int send_changes = 1;
if (sv_setinfo_e->func || sv_funcs.UserInfoChanged)
oldvalue = strdup (Info_ValueForKey (client->userinfo, key));
if (!Info_SetValueForKey (client->userinfo, key, value,
!sv_highchars->int_val)) {
// key hasn't changed
if (oldvalue)
free (oldvalue);
return;
}
// process any changed values
SV_ExtractFromUserinfo (client);
// trigger a GIB event
if (sv_setinfo_e->func)
GIB_Event_Callback (sv_setinfo_e, 4, va("%d", client->userid),
key, oldvalue, value);
if (sv_funcs.UserInfoChanged) {
PR_PushFrame (&sv_pr_state);
*sv_globals.time = sv.time;
*sv_globals.self = EDICT_TO_PROG (&sv_pr_state, client->edict);
PR_RESET_PARAMS (&sv_pr_state);
P_STRING (&sv_pr_state, 0) = PR_SetTempString (&sv_pr_state, key);
P_STRING (&sv_pr_state, 1) = PR_SetTempString (&sv_pr_state, oldvalue);
P_STRING (&sv_pr_state, 2) = PR_SetTempString (&sv_pr_state, value);
PR_ExecuteProgram (&sv_pr_state, sv_funcs.UserInfoChanged);
PR_PopFrame (&sv_pr_state);
send_changes = !R_FLOAT (&sv_pr_state);
}
if (oldvalue)
free (oldvalue);
if (send_changes && Info_FilterForKey (key, client_info_filters)) {
MSG_WriteByte (&sv.reliable_datagram, svc_setinfo);
MSG_WriteByte (&sv.reliable_datagram, client - svs.clients);
MSG_WriteString (&sv.reliable_datagram, key);
MSG_WriteString (&sv.reliable_datagram, value);
}
}
/*
SV_SetInfo_f
Allow clients to change userinfo
*/
static void
SV_SetInfo_f (void *unused)
{
const char *key;
const char *value;
if (Cmd_Argc () == 1) {
SV_Printf ("User info settings:\n");
Info_Print (host_client->userinfo);
return;
}
if (Cmd_Argc () != 3) {
SV_Printf ("usage: setinfo [ <key> <value> ]\n");
return;
}
if (Cmd_Argv (1)[0] == '*')
return; // don't set priveledged values
key = Cmd_Argv (1);
value = Cmd_Argv (2);
if (sv_funcs.UserInfoCallback) {
PR_PushFrame (&sv_pr_state);
*sv_globals.self = EDICT_TO_PROG (&sv_pr_state, sv_player);
PR_RESET_PARAMS (&sv_pr_state);
P_STRING (&sv_pr_state, 0) = PR_SetTempString (&sv_pr_state, key);
P_STRING (&sv_pr_state, 1) = PR_SetTempString (&sv_pr_state, value);
PR_ExecuteProgram (&sv_pr_state, sv_funcs.UserInfoCallback);
PR_PopFrame (&sv_pr_state);
if (R_FLOAT (&sv_pr_state))
return;
}
SV_SetUserinfo (host_client, key, value);
}
/*
SV_ShowServerinfo_f
Dump serverinfo into a string
*/
static void
SV_ShowServerinfo_f (void *unused)
{
Info_Print (svs.info);
}
static void
SV_NoSnap_f (void *unused)
{
if (host_client->uploadfn) {
dstring_delete (host_client->uploadfn);
host_client->uploadfn = 0;
SV_BroadcastPrintf (PRINT_HIGH, "%s refused remote screenshot\n",
host_client->name);
}
}
ucmd_t ucmds[] = {
{"new", SV_New_f, 0, 0},
{"modellist", SV_Modellist_f, 0, 0},
{"soundlist", SV_Soundlist_f, 0, 0},
{"prespawn", SV_PreSpawn_f, 0, 0},
{"spawn", SV_Spawn_f, 0, 0},
{"begin", SV_Begin_f, 1, 0},
{"drop", SV_Drop_f, 0, 0},
{"pings", SV_Pings_f, 0, 0},
// issued by hand at client consoles
{"rate", SV_Rate_f, 0, 0},
{"kill", SV_Kill_f, 1, 1},
{"pause", SV_Pause_f, 1, 0},
{"msg", SV_Msg_f, 0, 0},
{"say", SV_Say_f, 1, 1},
{"say_team", SV_Say_Team_f, 1, 1},
{"setinfo", SV_SetInfo_f, 1, 0},
{"serverinfo", SV_ShowServerinfo_f,0, 0},
{"download", SV_BeginDownload_f, 1, 0},
{"nextdl", SV_NextDownload_f, 0, 0},
{"ptrack", SV_PTrack_f, 0, 1}, // ZOID - used with autocam
{"snap", SV_NoSnap_f, 0, 0},
};
static hashtab_t *ucmd_table;
int (*ucmd_unknown)(void);
static void
call_qc_hook (void *qc_hook)
{
*sv_globals.self = EDICT_TO_PROG (&sv_pr_state, sv_player);
PR_ExecuteProgram (&sv_pr_state, (func_t) (intptr_t) qc_hook);
}
static const char *
ucmds_getkey (void *_a, void *unused)
{
ucmd_t *a = (ucmd_t*)_a;
return a->name;
}
static void
ucmds_free (void *_c, void *unused)
{
ucmd_t *c = (ucmd_t*)_c;
if (c->freeable) {
if (c->on_free)
c->on_free (c->userdata);
free ((char *)c->name);
free (c);
}
}
/*
hash and compare functions: user commands are accessed by name but
removed by pointer (because they are overridable and multiple commands
can be stored under the same command name) so we define a get_hash
functions that hashes the key and a compare function that compares the
pointer.
*/
static uintptr_t
ucmd_get_hash (void *_a, void *data)
{
ucmd_t *a = (ucmd_t*)_a;
return Hash_String (a->name);
}
static int
ucmd_compare (void *a, void *b, void *data)
{
return a == b;
}
/*
SV_AddUserCommand
Adds a new user command. Returns a pointer to the command object (to be
used by SV_RemoveUserCommand) if succesful, NULL if the command already
exists and is not overridable.
*/
void *
SV_AddUserCommand (const char *name, void (*func) (void *userdata), int flags,
void *userdata, void (*on_free) (void *userdata))
{
ucmd_t *cmd;
cmd = Hash_Find (ucmd_table, name);
if (cmd && !cmd->overridable)
return NULL;
cmd = calloc (1, sizeof (ucmd_t));
cmd->freeable = 1;
cmd->name = strdup (name);
cmd->func = func;
cmd->no_redirect = (flags & UCMD_NO_REDIRECT) ? 1 : 0;
cmd->overridable = (flags & UCMD_OVERRIDABLE) ? 1 : 0;
cmd->userdata = userdata;
cmd->on_free = on_free;
Hash_Add (ucmd_table, cmd);
return cmd;
}
/*
Removes a user command added with SV_AddUserCommand. Returns true if
successful, false if not.
*/
int
SV_RemoveUserCommand (void *cmd)
{
void *ele = Hash_DelElement(ucmd_table, cmd);
if (!ele)
return 0;
Hash_Free (ucmd_table, ele);
return 1;
}
static void
PF_AddUserCommand (progs_t *pr)
{
const char *name = P_GSTRING (pr, 0);
ucmd_t *cmd;
cmd = SV_AddUserCommand (name, call_qc_hook,
P_INT (pr, 2) ? UCMD_NO_REDIRECT : 0,
(void *) (intptr_t) P_FUNCTION (pr, 1),
NULL);
if (!cmd)
SV_Printf ("%s already a user command\n", name);
}
void
SV_SetupUserCommands (void)
{
size_t i;
Hash_FlushTable (ucmd_table);
for (i = 0; i < sizeof (ucmds) / sizeof (ucmds[0]); i++)
Hash_Add (ucmd_table, &ucmds[i]);
}
/*
SV_ExecuteUserCommand
Uhh...execute user command. :)
*/
void
SV_ExecuteUserCommand (const char *s)
{
ucmd_t *u;
COM_TokenizeString (s, sv_args);
cmd_args = sv_args;
sv_player = host_client->edict;
u = (ucmd_t*) Hash_Find (ucmd_table, sv_args->argv[0]->str);
if (!u) {
if (!ucmd_unknown || !ucmd_unknown ()) {
SV_BeginRedirect (RD_CLIENT);
SV_Printf ("Bad user command: %s\n", sv_args->argv[0]->str);
SV_EndRedirect ();
}
} else {
if (!u->no_redirect)
SV_BeginRedirect (RD_CLIENT);
u->func (u->userdata);
if (!u->no_redirect)
SV_EndRedirect ();
}
}
// USER CMD EXECUTION =========================================================
/*
SV_CalcRoll
Used by view and sv_user
*/
static float
SV_CalcRoll (vec3_t angles, vec3_t velocity)
{
vec3_t forward, right, up;
float side, sign, value;
AngleVectors (angles, forward, right, up);
side = DotProduct (velocity, right);
sign = side < 0 ? -1 : 1;
side = fabs (side);
value = cl_rollangle->value;
if (side < cl_rollspeed->value)
side = side * value / cl_rollspeed->value;
else
side = value;
return side * sign;
}
//============================================================================
vec3_t pmove_mins, pmove_maxs;
static void
AddLinksToPmove (areanode_t *node)
{
edict_t *check;
int pl, i;
link_t *l, *next;
physent_t *pe;
pl = EDICT_TO_PROG (&sv_pr_state, sv_player);
// touch linked edicts
for (l = node->solid_edicts.next; l != &node->solid_edicts; l = next) {
next = l->next;
check = EDICT_FROM_AREA (l);
if (SVentity (check, owner) == pl)
continue; // player's own missile
if (SVfloat (check, solid) == SOLID_BSP
|| SVfloat (check, solid) == SOLID_BBOX
|| SVfloat (check, solid) == SOLID_SLIDEBOX) {
if (check == sv_player)
continue;
for (i = 0; i < 3; i++)
if (SVvector (check, absmin)[i] > pmove_maxs[i]
|| SVvector (check, absmax)[i] < pmove_mins[i])
break;
if (i != 3)
continue;
if (pmove.numphysent == MAX_PHYSENTS)
return;
pe = &pmove.physents[pmove.numphysent];
pmove.numphysent++;
VectorCopy (SVvector (check, origin), pe->origin);
pe->info = NUM_FOR_EDICT (&sv_pr_state, check);
if (sv_fields.rotated_bbox != -1
&& SVinteger (check, rotated_bbox)) {
int h = SVinteger (check, rotated_bbox) - 1;
pe->hull = pf_hull_list[h]->hulls[1];
} else {
pe->hull = 0;
if (SVfloat (check, solid) == SOLID_BSP) {
pe->model = sv.models[(int) (SVfloat (check, modelindex))];
} else {
pe->model = NULL;
VectorCopy (SVvector (check, mins), pe->mins);
VectorCopy (SVvector (check, maxs), pe->maxs);
}
}
}
}
// recurse down both sides
if (node->axis == -1)
return;
if (pmove_maxs[node->axis] > node->dist)
AddLinksToPmove (node->children[0]);
if (pmove_mins[node->axis] < node->dist)
AddLinksToPmove (node->children[1]);
}
byte playertouch[(MAX_EDICTS + 7) / 8];
/*
SV_PreRunCmd
Done before running a player command. Clears the touch array
*/
void
SV_PreRunCmd (void)
{
memset (playertouch, 0, sizeof (playertouch));
}
static void
adjust_usecs (usercmd_t *ucmd)
{
int passed;
if (host_client->last_check == -1.0)
return;
passed = (int) ((realtime - host_client->last_check) * 1000.0);
host_client->msecs += passed - ucmd->msec;
if (host_client->msecs >= 0) {
host_client->msecs -= sv_timecheck_decay->int_val;
} else {
host_client->msecs += sv_timecheck_decay->int_val;
}
if (abs (host_client->msecs) > sv_timecheck_fuzz->int_val) {
int fuzz = sv_timecheck_fuzz->int_val;
host_client->msecs = bound (-fuzz, host_client->msecs, fuzz);
ucmd->msec = passed;
}
host_client->last_check = realtime;
}
static void
check_usecs (usercmd_t *ucmd)
{
double tmp_time;
int tmp_time1;
host_client->msecs += ucmd->msec;
if (host_client->spectator)
return;
if (host_client->last_check == -1.0)
return;
tmp_time = realtime - host_client->last_check;
if (tmp_time < sv_timekick_interval->value)
return;
host_client->last_check = realtime;
tmp_time1 = tmp_time * (1000 + sv_timekick_fuzz->value);
if (host_client->msecs >= tmp_time1) {
host_client->msec_cheating++;
SV_BroadcastPrintf (PRINT_HIGH, "%s thinks there are %d ms "
"in %d seconds (Strike %d/%d)\n",
host_client->name, host_client->msecs,
(int) tmp_time, host_client->msec_cheating,
sv_timekick->int_val);
if (host_client->msec_cheating >= sv_timekick->int_val) {
SV_BroadcastPrintf (PRINT_HIGH, "Strike %d for %s!!\n",
host_client->msec_cheating, host_client->name);
SV_BroadcastPrintf (PRINT_HIGH, "Please see "
"http://www.quakeforge.net/speed_cheat.php "
"for information on QuakeForge's time cheat "
"protection. That page explains how some may "
"be cheating without knowing it.\n");
SV_DropClient (host_client);
}
}
host_client->msecs = 0;
}
void
SV_RunCmd (usercmd_t *ucmd, qboolean inside)
{
int oldmsec, i, n;
edict_t *ent;
if (!inside) {
if (sv_timecheck_mode->int_val) {
adjust_usecs (ucmd);
} else {
check_usecs (ucmd);
}
if (host_client->last_check == -1.0)
host_client->last_check = realtime;
}
cmd = *ucmd;
// chop up very long commands
if (cmd.msec > 50) {
oldmsec = ucmd->msec;
cmd.msec = oldmsec / 2;
SV_RunCmd (&cmd, 1);
cmd.msec = oldmsec / 2;
cmd.impulse = 0;
SV_RunCmd (&cmd, 1);
return;
}
if (!SVfloat (sv_player, fixangle))
VectorCopy (ucmd->angles, SVvector (sv_player, v_angle));
SVfloat (sv_player, button0) = ucmd->buttons & 1;
// 1999-10-29 +USE fix by Maddes start
if (!nouse) {
SVfloat (sv_player, button1) = (ucmd->buttons & 4) >> 2;
}
// 1999-10-29 +USE fix by Maddes end
SVfloat (sv_player, button2) = (ucmd->buttons & 2) >> 1;
if (ucmd->impulse)
SVfloat (sv_player, impulse) = ucmd->impulse;
if (host_client->cuff_time > realtime)
SVfloat (sv_player, button0) = SVfloat (sv_player, impulse) = 0;
// angles
// show 1/3 the pitch angle and all the roll angle
if (SVfloat (sv_player, health) > 0) { //FIXME hardcoded mod info
if (!SVfloat (sv_player, fixangle)) {
SVvector (sv_player, angles)[PITCH] =
-SVvector (sv_player, v_angle)[PITCH] / 3;
SVvector (sv_player, angles)[YAW] =
SVvector (sv_player, v_angle)[YAW];
}
SVvector (sv_player, angles)[ROLL] =
SV_CalcRoll (SVvector (sv_player, angles),
SVvector (sv_player, velocity)) * 4;
}
sv_frametime = min (0.1, ucmd->msec * 0.001);
if (!host_client->spectator) {
*sv_globals.frametime = sv_frametime;
*sv_globals.time = sv.time;
*sv_globals.self = EDICT_TO_PROG (&sv_pr_state, sv_player);
PR_ExecuteProgram (&sv_pr_state, sv_funcs.PlayerPreThink);
SV_RunThink (sv_player);
}
for (i = 0; i < 3; i++)
pmove.origin[i] = SVvector (sv_player, origin)[i]
+ (SVvector (sv_player, mins)[i] - player_mins[i]);
VectorCopy (SVvector (sv_player, velocity), pmove.velocity);
VectorCopy (SVvector (sv_player, v_angle), pmove.angles);
pmove.flying = SVfloat (sv_player, movetype) == MOVETYPE_FLY;
pmove.spectator = host_client->spectator;
pmove.waterjumptime = SVfloat (sv_player, teleport_time);
if (pmove.waterjumptime)
pmove.waterjumptime -= sv.time;
pmove.numphysent = 1;
pmove.physents[0].model = sv.worldmodel;
pmove.cmd = *ucmd;
pmove.dead = SVfloat (sv_player, health) <= 0;
pmove.oldbuttons = host_client->oldbuttons;
pmove.oldonground = host_client->oldonground;
movevars.entgravity = host_client->entgravity;
movevars.maxspeed = host_client->maxspeed;
for (i = 0; i < 3; i++) {
pmove_mins[i] = pmove.origin[i] - 256;
pmove_maxs[i] = pmove.origin[i] + 256;
}
#if 0
AddAllEntsToPmove ();
#else
AddLinksToPmove (sv_areanodes);
#endif
#if 0
{
int before, after;
before = PM_TestPlayerPosition (pmove.origin);
PlayerMove ();
after = PM_TestPlayerPosition (pmove.origin);
if (SVfloat (sv_player, health) > 0 && before && !after)
SV_Printf ("player %s got stuck in playermove!!!!\n",
host_client->name);
}
#else
PlayerMove ();
#endif
host_client->oldbuttons = pmove.oldbuttons;
host_client->oldonground = pmove.oldonground;
if (pmove.waterjumptime > 0)
pmove.waterjumptime += sv.time;
else
pmove.waterjumptime = 0;
SVfloat (sv_player, teleport_time) = pmove.waterjumptime;
SVfloat (sv_player, waterlevel) = waterlevel;
SVfloat (sv_player, watertype) = watertype;
if (onground != -1) {
SVfloat (sv_player, flags) = (int) SVfloat (sv_player, flags) |
FL_ONGROUND;
SVentity (sv_player, groundentity) =
EDICT_TO_PROG (&sv_pr_state,
EDICT_NUM (&sv_pr_state,
pmove.physents[onground].info));
} else {
SVfloat (sv_player, flags) =
(int) SVfloat (sv_player, flags) & ~FL_ONGROUND;
}
for (i = 0; i < 3; i++)
SVvector (sv_player, origin)[i] =
pmove.origin[i] - (SVvector (sv_player, mins)[i] - player_mins[i]);
#if 0
// truncate velocity the same way the net protocol will
for (i = 0; i < 3; i++)
SVvector (sv_player, velocity)[i] = (int) pmove.velocity[i];
#else
VectorCopy (pmove.velocity, SVvector (sv_player, velocity));
#endif
VectorCopy (pmove.angles, SVvector (sv_player, v_angle));
if (!host_client->spectator) {
// link into place and touch triggers
SV_LinkEdict (sv_player, true);
// touch other objects
for (i = 0; i < pmove.numtouch; i++) {
n = pmove.touchindex[i]->info;
ent = EDICT_NUM (&sv_pr_state, n);
if (!SVfunc (ent, touch) || (playertouch[n / 8] & (1 << (n % 8))))
continue;
sv_pr_touch (ent, sv_player);
playertouch[n / 8] |= 1 << (n % 8);
}
}
}
/*
SV_PostRunCmd
Done after running a player command.
*/
void
SV_PostRunCmd (void)
{
// run post-think
if (!host_client->spectator) {
*sv_globals.time = sv.time;
*sv_globals.self = EDICT_TO_PROG (&sv_pr_state, sv_player);
PR_ExecuteProgram (&sv_pr_state, sv_funcs.PlayerPostThink);
SV_RunNewmis ();
} else if (sv_funcs.SpectatorThink) {
*sv_globals.time = sv.time;
*sv_globals.self = EDICT_TO_PROG (&sv_pr_state, sv_player);
PR_ExecuteProgram (&sv_pr_state, sv_funcs.SpectatorThink);
}
}
/*
SV_ExecuteClientMessage
The current net_message is parsed for the given client
*/
void
SV_ExecuteClientMessage (client_t *cl)
{
byte checksum, calculatedChecksum;
const char *s;
client_frame_t *frame;
int checksumIndex, seq_hash, c;
usercmd_t oldest, oldcmd, newcmd;
qboolean move_issued = false; // allow only one move command
vec3_t o;
// make sure the reply sequence number matches the incoming
// sequence number
if (cl->netchan.incoming_sequence >= cl->netchan.outgoing_sequence)
cl->netchan.outgoing_sequence = cl->netchan.incoming_sequence;
else
cl->send_message = false; // don't reply, sequences have slipped
// setup delta information
cl->delta.cur_frame = cl->netchan.incoming_acknowledged & UPDATE_MASK;
cl->delta.out_frame = cl->netchan.outgoing_sequence & UPDATE_MASK;
cl->delta.in_frame = cl->netchan.incoming_sequence & UPDATE_MASK;
// calc ping time
frame = &cl->delta.frames[cl->delta.cur_frame];
frame->ping_time = realtime - frame->senttime;
// save time for ping calculations
cl->delta.frames[cl->delta.out_frame].senttime = realtime;
cl->delta.frames[cl->delta.out_frame].ping_time = -1;
host_client = cl;
sv_player = host_client->edict;
// seq_hash = (cl->netchan.incoming_sequence & 0xffff) ; // ^ QW_CHECK_HASH;
seq_hash = cl->netchan.incoming_sequence;
// mark time so clients will know how much to predict other players
cl->localtime = sv.time;
cl->delta.delta_sequence = -1; // no delta unless requested
while (1) {
if (net_message->badread) {
SV_Printf ("SV_ReadClientMessage: badread\n");
SV_DropClient (cl);
return;
}
c = MSG_ReadByte (net_message);
if (c == -1)
return; // Ender: Patched :)
switch (c) {
default:
SV_Printf ("SV_ReadClientMessage: unknown command char\n");
SV_DropClient (cl);
return;
case clc_nop:
break;
case clc_delta:
cl->delta.delta_sequence = MSG_ReadByte (net_message);
break;
case clc_move:
if (move_issued)
return; // someone is trying to cheat...
move_issued = true;
checksumIndex = MSG_GetReadCount (net_message);
checksum = (byte) MSG_ReadByte (net_message);
// read loss percentage
cl->lossage = MSG_ReadByte (net_message);
MSG_ReadDeltaUsercmd (net_message, &nullcmd, &oldest);
MSG_ReadDeltaUsercmd (net_message, &oldest, &oldcmd);
MSG_ReadDeltaUsercmd (net_message, &oldcmd, &newcmd);
if (cl->state != cs_spawned)
break;
// if the checksum fails, ignore the rest of the packet
calculatedChecksum =
COM_BlockSequenceCRCByte (net_message->message->data +
checksumIndex + 1,
MSG_GetReadCount (net_message) -
checksumIndex - 1, seq_hash);
if (calculatedChecksum != checksum) {
Sys_MaskPrintf (SYS_DEV,
"Failed command checksum for %s(%d) "
"(%d != %d)\n",
cl->name, cl->netchan.incoming_sequence,
checksum, calculatedChecksum);
return;
}
if (!sv.paused) {
SV_PreRunCmd ();
if (cl->netchan.net_drop < 20) {
while (cl->netchan.net_drop > 2) {
SV_RunCmd (&cl->lastcmd, 0);
cl->netchan.net_drop--;
}
if (cl->netchan.net_drop > 1)
SV_RunCmd (&oldest, 0);
if (cl->netchan.net_drop > 0)
SV_RunCmd (&oldcmd, 0);
}
SV_RunCmd (&newcmd, 0);
SV_PostRunCmd ();
}
cl->lastcmd = newcmd;
cl->lastcmd.buttons = 0; // avoid multiple fires on lag
break;
case clc_stringcmd:
s = MSG_ReadString (net_message);
SV_ExecuteUserCommand (s);
break;
case clc_tmove:
MSG_ReadCoordV (net_message, o);
// allowed for only spectators
if (host_client->spectator) {
VectorCopy (o, SVvector (sv_player, origin));
SV_LinkEdict (sv_player, false);
}
break;
case clc_upload:
SV_NextUpload ();
break;
}
}
}
static builtin_t builtins[] = {
{"SV_AddUserCommand", PF_AddUserCommand, -1},
{0}
};
void
SV_UserInit (void)
{
ucmd_table = Hash_NewTable (251, ucmds_getkey, ucmds_free, 0);
Hash_SetHashCompare (ucmd_table, ucmd_get_hash, ucmd_compare);
PR_RegisterBuiltins (&sv_pr_state, builtins);
cl_rollspeed = Cvar_Get ("cl_rollspeed", "200", CVAR_NONE, NULL,
"How quickly a player straightens out after "
"strafing");
cl_rollangle = Cvar_Get ("cl_rollangle", "2", CVAR_NONE, NULL, "How much "
"a player's screen tilts when strafing");
sv_allowfake = Cvar_Get ("sv_allowfake", "2", CVAR_NONE, NULL, "Allow 'fake' messages (FuhQuake $\\). 1 = "
"always, 2 = only say_team");
sv_spectalk = Cvar_Get ("sv_spectalk", "1", CVAR_NONE, NULL, "Toggles "
"the ability of spectators to talk to players");
sv_mapcheck = Cvar_Get ("sv_mapcheck", "1", CVAR_NONE, NULL, "Toggle the "
"use of map checksumming to check for players who "
"edit maps to cheat");
sv_timecheck_mode = Cvar_Get ("sv_timecheck_mode", "0", CVAR_NONE, NULL,
"select between timekick (0, default) and "
"timecheck (1)");
sv_timekick = Cvar_Get ("sv_timekick", "3", CVAR_SERVERINFO, Cvar_Info,
"Time cheat protection");
sv_timekick_fuzz = Cvar_Get ("sv_timekick_fuzz", "30", CVAR_NONE, NULL,
"Time cheat \"fuzz factor\" in milliseconds");
sv_timekick_interval = Cvar_Get ("sv_timekick_interval", "30", CVAR_NONE,
NULL, "Time cheat check interval in "
"seconds");
sv_timecheck_fuzz = Cvar_Get ("sv_timecheck_fuzz", "250", CVAR_NONE, NULL,
"Milliseconds of tolerance before time "
"cheat throttling kicks in.");
sv_timecheck_decay = Cvar_Get ("sv_timecheck_decay", "2", CVAR_NONE,
NULL, "Rate at which time inaccuracies are "
"\"forgiven\".");
sv_kickfake = Cvar_Get ("sv_kickfake", "0", CVAR_NONE, NULL,
"Kick users sending to send fake talk messages");
sv_http_url_base = Cvar_Get ("sv_http_url_base", "", CVAR_NONE, NULL,
"set to base url for http redirects of "
"downloaded files");
}
static void
OutofBandPrintf (netadr_t where, const char *fmt, ...)
{
char send[1024];
va_list argptr;
send[0] = 0xff;
send[1] = 0xff;
send[2] = 0xff;
send[3] = 0xff;
send[4] = A2C_PRINT;
va_start (argptr, fmt);
vsnprintf (send + 5, sizeof (send) - 5, fmt, argptr);
va_end (argptr);
Netchan_SendPacket (strlen (send) + 1, send, where);
}
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