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quakeforge-old/qw_server/sv_user.c

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/*
sv_user.c - server code for moving users
Copyright (C) 1996-1997 Id Software, Inc.
Portions Copyright (C) 1999,2000 Nelson Rush.
Copyright (C) 1999,2000 contributors of the QuakeForge project
Please see the file "AUTHORS" for a list of contributors
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.
*/
#include <ctype.h>
#include <quakedef.h>
#include <qtypes.h>
#include <net.h>
#include <cmd.h>
#include <sys.h>
#include <console.h>
#include <protocol.h>
#include <server.h>
#include <phys.h>
#include <mathlib.h>
#include <world.h>
edict_t *sv_player;
usercmd_t cmd;
cvar_t *cl_rollspeed;
cvar_t *cl_rollangle;
cvar_t *sv_spectalk;
cvar_t *sv_mapcheck;
extern cvar_t *sv_timekick;
extern cvar_t *sv_timekick_fuzz;
extern cvar_t *sv_timekick_interval;
extern vec3_t player_mins;
extern int fp_messages, fp_persecond, fp_secondsdead;
extern char fp_msg[];
extern cvar_t *pausable;
static int loss;
/*
============================================================
USER STRINGCMD EXECUTION
host_client and sv_player will be valid.
============================================================
*/
/*
================
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.
================
*/
void SV_New_f (void)
{
char *gamedir;
int playernum;
if (host_client->state == cs_spawned)
return;
host_client->state = cs_connected;
host_client->connection_started = realtime;
// send the info about the new client to all connected clients
// SV_FullClientUpdate (host_client, &sv.reliable_datagram);
// host_client->sendinfo = true;
gamedir = Info_ValueForKey (svs.info, "*gamedir");
if (!gamedir[0])
gamedir = "qw";
//NOTE: This doesn't go through ClientReliableWrite since it's before the user
//spawns. These functions are written to not overflow
if (host_client->num_backbuf) {
Con_Printf("WARNING %s: [SV_New] Back buffered (%d0, clearing", host_client->name, host_client->netchan.message.cursize);
host_client->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(host_client->edict)-1;
if (host_client->spectator)
playernum |= 128;
MSG_WriteByte (&host_client->netchan.message, playernum);
// send full levelname
MSG_WriteString (&host_client->netchan.message, PR_GetString(sv.edicts->v.message));
// send the movevars
MSG_WriteFloat(&host_client->netchan.message, movevars.gravity);
MSG_WriteFloat(&host_client->netchan.message, movevars.stopspeed);
MSG_WriteFloat(&host_client->netchan.message, movevars.maxspeed);
MSG_WriteFloat(&host_client->netchan.message, movevars.spectatormaxspeed);
MSG_WriteFloat(&host_client->netchan.message, movevars.accelerate);
MSG_WriteFloat(&host_client->netchan.message, movevars.airaccelerate);
MSG_WriteFloat(&host_client->netchan.message, movevars.wateraccelerate);
MSG_WriteFloat(&host_client->netchan.message, movevars.friction);
MSG_WriteFloat(&host_client->netchan.message, movevars.waterfriction);
MSG_WriteFloat(&host_client->netchan.message, movevars.entgravity);
// send music
MSG_WriteByte (&host_client->netchan.message, svc_cdtrack);
MSG_WriteByte (&host_client->netchan.message, sv.edicts->v.sounds);
// send server info string
MSG_WriteByte (&host_client->netchan.message, svc_stufftext);
MSG_WriteString (&host_client->netchan.message, va("fullserverinfo \"%s\"\n", svs.info) );
}
/*
==================
SV_Soundlist_f
==================
*/
void SV_Soundlist_f (void)
{
char **s;
int n;
if (host_client->state != cs_connected)
{
Con_Printf ("soundlist not valid -- allready spawned\n");
return;
}
// handle the case of a level changing while a client was connecting
if ( atoi(Cmd_Argv(1)) != svs.spawncount )
{
Con_Printf ("SV_Soundlist_f from different level\n");
SV_New_f ();
return;
}
n = atoi(Cmd_Argv(2));
//NOTE: This doesn't go through ClientReliableWrite since it's before the user
//spawns. These functions are written to not overflow
if (host_client->num_backbuf) {
Con_Printf("WARNING %s: [SV_Soundlist] Back buffered (%d0, clearing", host_client->name, host_client->netchan.message.cursize);
host_client->num_backbuf = 0;
SZ_Clear(&host_client->netchan.message);
}
MSG_WriteByte (&host_client->netchan.message, svc_soundlist);
MSG_WriteByte (&host_client->netchan.message, n);
for (s = sv.sound_precache+1 + n ;
*s && host_client->netchan.message.cursize < (MAX_MSGLEN/2);
s++, n++)
MSG_WriteString (&host_client->netchan.message, *s);
MSG_WriteByte (&host_client->netchan.message, 0);
// next msg
if (*s)
MSG_WriteByte (&host_client->netchan.message, n);
else
MSG_WriteByte (&host_client->netchan.message, 0);
}
/*
==================
SV_Modellist_f
==================
*/
void SV_Modellist_f (void)
{
char **s;
int n;
if (host_client->state != cs_connected)
{
Con_Printf ("modellist not valid -- allready spawned\n");
return;
}
// handle the case of a level changing while a client was connecting
if ( atoi(Cmd_Argv(1)) != svs.spawncount )
{
Con_Printf ("SV_Modellist_f from different level\n");
SV_New_f ();
return;
}
n = atoi(Cmd_Argv(2));
//NOTE: This doesn't go through ClientReliableWrite since it's before the user
//spawns. These functions are written to not overflow
if (host_client->num_backbuf) {
Con_Printf("WARNING %s: [SV_Modellist] Back buffered (%d0, clearing", host_client->name, host_client->netchan.message.cursize);
host_client->num_backbuf = 0;
SZ_Clear(&host_client->netchan.message);
}
MSG_WriteByte (&host_client->netchan.message, svc_modellist);
MSG_WriteByte (&host_client->netchan.message, n);
for (s = sv.model_precache+1+n ;
*s && host_client->netchan.message.cursize < (MAX_MSGLEN/2);
s++, n++)
MSG_WriteString (&host_client->netchan.message, *s);
MSG_WriteByte (&host_client->netchan.message, 0);
// next msg
if (*s)
MSG_WriteByte (&host_client->netchan.message, n);
else
MSG_WriteByte (&host_client->netchan.message, 0);
}
/*
==================
SV_PreSpawn_f
==================
*/
void SV_PreSpawn_f (void)
{
unsigned buf;
unsigned check;
if (host_client->state != cs_connected)
{
Con_Printf ("prespawn not valid -- allready spawned\n");
return;
}
// handle the case of a level changing while a client was connecting
if ( atoi(Cmd_Argv(1)) != svs.spawncount )
{
Con_Printf ("SV_PreSpawn_f from different level\n");
SV_New_f ();
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));
// Con_DPrintf("Client check = %d\n", check);
if (sv_mapcheck->value && check != sv.worldmodel->checksum &&
check != sv.worldmodel->checksum2) {
SV_ClientPrintf (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->checksum = check;
}
//NOTE: This doesn't go through ClientReliableWrite since it's before the user
//spawns. These functions are written to not overflow
if (host_client->num_backbuf) {
Con_Printf("WARNING %s: [SV_PreSpawn] Back buffered (%d0, clearing", host_client->name, host_client->netchan.message.cursize);
host_client->num_backbuf = 0;
SZ_Clear(&host_client->netchan.message);
}
SZ_Write (&host_client->netchan.message,
sv.signon_buffers[buf],
sv.signon_buffer_size[buf]);
buf++;
if (buf == sv.num_signon_buffers)
{ // all done prespawning
MSG_WriteByte (&host_client->netchan.message, svc_stufftext);
MSG_WriteString (&host_client->netchan.message, va("cmd spawn %i 0\n",svs.spawncount) );
}
else
{ // need to prespawn more
MSG_WriteByte (&host_client->netchan.message, svc_stufftext);
MSG_WriteString (&host_client->netchan.message,
va("cmd prespawn %i %i\n", svs.spawncount, buf) );
}
}
/*
==================
SV_Spawn_f
==================
*/
void SV_Spawn_f (void)
{
int i;
client_t *client;
edict_t *ent;
eval_t *val;
int n;
if (host_client->state != cs_connected)
{
Con_Printf ("Spawn not valid -- allready spawned\n");
return;
}
// handle the case of a level changing while a client was connecting
if ( atoi(Cmd_Argv(1)) != svs.spawncount )
{
Con_Printf ("SV_Spawn_f from different level\n");
SV_New_f ();
return;
}
n = atoi(Cmd_Argv(2));
// make sure n is valid
if ( n < 0 || n > MAX_CLIENTS )
{
Con_Printf ("SV_Spawn_f invalid client start\n");
SV_New_f ();
return;
}
// 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
// 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, host_client);
// send all current light styles
for (i=0 ; i<MAX_LIGHTSTYLES ; i++)
{
ClientReliableWrite_Begin (host_client, svc_lightstyle,
3 + (sv.lightstyles[i] ? strlen(sv.lightstyles[i]) : 1));
ClientReliableWrite_Byte (host_client, (char)i);
ClientReliableWrite_String (host_client, sv.lightstyles[i]);
}
// set up the edict
ent = host_client->edict;
memset (&ent->v, 0, progs->entityfields * 4);
ent->v.colormap = NUM_FOR_EDICT(ent);
ent->v.team = 0; // FIXME
ent->v.netname = PR_SetString(host_client->name);
host_client->entgravity = 1.0;
val = GetEdictFieldValue(ent, "gravity");
if (val)
val->_float = 1.0;
host_client->maxspeed = sv_maxspeed->value;
val = GetEdictFieldValue(ent, "maxspeed");
if (val)
val->_float = sv_maxspeed->value;
//
// force stats to be updated
//
memset (host_client->stats, 0, sizeof(host_client->stats));
ClientReliableWrite_Begin (host_client, svc_updatestatlong, 6);
ClientReliableWrite_Byte (host_client, STAT_TOTALSECRETS);
ClientReliableWrite_Long (host_client, pr_global_struct->total_secrets);
ClientReliableWrite_Begin (host_client, svc_updatestatlong, 6);
ClientReliableWrite_Byte (host_client, STAT_TOTALMONSTERS);
ClientReliableWrite_Long (host_client, pr_global_struct->total_monsters);
ClientReliableWrite_Begin (host_client, svc_updatestatlong, 6);
ClientReliableWrite_Byte (host_client, STAT_SECRETS);
ClientReliableWrite_Long (host_client, pr_global_struct->found_secrets);
ClientReliableWrite_Begin (host_client, svc_updatestatlong, 6);
ClientReliableWrite_Byte (host_client, STAT_MONSTERS);
ClientReliableWrite_Long (host_client, pr_global_struct->killed_monsters);
// get the client to check and download skins
// when that is completed, a begin command will be issued
ClientReliableWrite_Begin (host_client, svc_stufftext, 8);
ClientReliableWrite_String (host_client, "skins\n" );
}
/*
==================
SV_SpawnSpectator
==================
*/
void SV_SpawnSpectator (void)
{
int i;
edict_t *e;
VectorCopy (vec3_origin, sv_player->v.origin);
VectorCopy (vec3_origin, sv_player->v.view_ofs);
sv_player->v.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(i);
if (!strcmp(PR_GetString(e->v.classname), "info_player_start"))
{
VectorCopy (e->v.origin, sv_player->v.origin);
return;
}
}
}
/*
==================
SV_Begin_f
==================
*/
void SV_Begin_f (void)
{
unsigned pmodel = 0, emodel = 0;
int i;
if (host_client->state == cs_spawned)
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 )
{
Con_Printf ("SV_Begin_f from different level\n");
SV_New_f ();
return;
}
if (host_client->spectator)
{
SV_SpawnSpectator ();
if (SpectatorConnect) {
// copy spawn parms out of the client_t
for (i=0 ; i< NUM_SPAWN_PARMS ; i++)
(&pr_global_struct->parm1)[i] = host_client->spawn_parms[i];
// call the spawn function
pr_global_struct->time = sv.time;
pr_global_struct->self = EDICT_TO_PROG(sv_player);
PR_ExecuteProgram (SpectatorConnect);
}
}
else
{
// copy spawn parms out of the client_t
for (i=0 ; i< NUM_SPAWN_PARMS ; i++)
(&pr_global_struct->parm1)[i] = host_client->spawn_parms[i];
// call the spawn function
pr_global_struct->time = sv.time;
pr_global_struct->self = EDICT_TO_PROG(sv_player);
PR_ExecuteProgram (pr_global_struct->ClientConnect);
// actually spawn the player
pr_global_struct->time = sv.time;
pr_global_struct->self = EDICT_TO_PROG(sv_player);
PR_ExecuteProgram (pr_global_struct->PutClientInServer);
}
// clear the net statistics, because connecting gives a bogus picture
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) {
ClientReliableWrite_Begin (host_client, svc_setpause, 2);
ClientReliableWrite_Byte (host_client, sv.paused);
SV_ClientPrintf(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( 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, ent->v.angles[i] );
MSG_WriteAngle (&host_client->netchan.message, 0 );
#endif
}
//=============================================================================
/*
==================
SV_NextDownload_f
==================
*/
void SV_NextDownload_f (void)
{
byte buffer[1024];
int r;
int percent;
int size;
if (!host_client->download)
return;
r = host_client->downloadsize - host_client->downloadcount;
if (r > 768)
r = 768;
r = Qread (host_client->download, buffer, r);
ClientReliableWrite_Begin (host_client, svc_download, 6+r);
ClientReliableWrite_Short (host_client, r);
host_client->downloadcount += r;
size = host_client->downloadsize;
if (!size)
size = 1;
percent = host_client->downloadcount*100/size;
ClientReliableWrite_Byte (host_client, percent);
ClientReliableWrite_SZ (host_client, buffer, r);
if (host_client->downloadcount != host_client->downloadsize)
return;
Qclose (host_client->download);
host_client->download = NULL;
}
void OutofBandPrintf(netadr_t where, char *fmt, ...)
{
va_list argptr;
char send[1024];
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);
NET_SendPacket (strlen(send)+1, send, where);
}
/*
==================
SV_NextUpload
==================
*/
void SV_NextUpload (void)
{
int percent;
int size;
if (!*host_client->uploadfn) {
SV_ClientPrintf(host_client, PRINT_HIGH, "Upload denied\n");
ClientReliableWrite_Begin (host_client, svc_stufftext, 8);
ClientReliableWrite_String (host_client, "stopul");
// suck out rest of packet
size = MSG_ReadShort (); MSG_ReadByte ();
msg_readcount += size;
return;
}
size = MSG_ReadShort ();
percent = MSG_ReadByte ();
if (!host_client->upload)
{
host_client->upload = Qopen(host_client->uploadfn, "wb");
if (!host_client->upload) {
Sys_Printf("Can't create %s\n", host_client->uploadfn);
ClientReliableWrite_Begin (host_client, svc_stufftext, 8);
ClientReliableWrite_String (host_client, "stopul");
*host_client->uploadfn = 0;
return;
}
Sys_Printf("Receiving %s from %d...\n", host_client->uploadfn, host_client->userid);
if (host_client->remote_snap)
OutofBandPrintf(host_client->snap_from, "Server receiving %s from %d...\n", host_client->uploadfn, host_client->userid);
}
Qwrite (host_client->upload, net_message.data + msg_readcount, size);
msg_readcount += size;
Con_DPrintf ("UPLOAD: %d received\n", size);
if (percent != 100) {
ClientReliableWrite_Begin (host_client, svc_stufftext, 8);
ClientReliableWrite_String (host_client, "nextul\n");
} else {
Qclose (host_client->upload);
host_client->upload = NULL;
Sys_Printf("%s upload completed.\n", host_client->uploadfn);
if (host_client->remote_snap) {
char *p;
if ((p = strchr(host_client->uploadfn, '/')) != NULL)
p++;
else
p = host_client->uploadfn;
OutofBandPrintf(host_client->snap_from, "%s upload completed.\nTo download, enter:\ndownload %s\n",
host_client->uploadfn, p);
}
}
}
/*
==================
SV_BeginDownload_f
==================
*/
void SV_BeginDownload_f(void)
{
char *name;
extern cvar_t *allow_download;
extern cvar_t *allow_download_skins;
extern cvar_t *allow_download_models;
extern cvar_t *allow_download_sounds;
extern cvar_t *allow_download_maps;
extern int file_from_pak; // ZOID did file come from pak?
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->value
// leading dot is no good
|| *name == '.'
// leading slash bad as well, must be in subdir
|| *name == '/'
// next up, skin check
|| (strncmp(name, "skins/", 6) == 0 && !allow_download_skins->value)
// now models
|| (strncmp(name, "progs/", 6) == 0 && !allow_download_models->value)
// now sounds
|| (strncmp(name, "sound/", 6) == 0 && !allow_download_sounds->value)
// now maps (note special case for maps, must not be in pak)
|| (strncmp(name, "maps/", 6) == 0 && !allow_download_maps->value)
// MUST be in a subdirectory
|| !strstr (name, "/") )
{ // don't allow anything with .. path
ClientReliableWrite_Begin (host_client, svc_download, 4);
ClientReliableWrite_Short (host_client, -1);
ClientReliableWrite_Byte (host_client, 0);
return;
}
if (host_client->download) {
Qclose (host_client->download);
host_client->download = NULL;
}
// lowercase name (needed for casesen file systems)
{
char *p;
for (p = name; *p; p++)
*p = (char)tolower(*p);
}
host_client->downloadsize = COM_FOpenFile (name, &host_client->download);
host_client->downloadcount = 0;
if (!host_client->download
// special check for maps, if it came from a pak file, don't allow
// download ZOID
|| (strncmp(name, "maps/", 5) == 0 && file_from_pak))
{
if (host_client->download) {
Qclose(host_client->download);
host_client->download = NULL;
}
Sys_Printf ("Couldn't download %s to %s\n", name, host_client->name);
ClientReliableWrite_Begin (host_client, svc_download, 4);
ClientReliableWrite_Short (host_client, -1);
ClientReliableWrite_Byte (host_client, 0);
return;
}
SV_NextDownload_f ();
Sys_Printf ("Downloading %s to %s\n", name, host_client->name);
}
//=============================================================================
/*
==================
SV_Say
==================
*/
void SV_Say (qboolean team)
{
client_t *client;
int j, tmp;
char *p;
char text[2048];
char t1[32], *t2;
if (Cmd_Argc () < 2)
return;
if (team)
{
strncpy (t1, Info_ValueForKey (host_client->userinfo, "team"), 31);
t1[31] = 0;
}
if (host_client->spectator && (!sv_spectalk->value || team))
snprintf(text, sizeof(text), "[SPEC] %s: ", host_client->name);
else if (team)
snprintf(text, sizeof(text), "(%s): ", host_client->name);
else {
snprintf(text, sizeof(text), "%s: ", host_client->name);
}
if (fp_messages) {
if (!sv.paused && realtime<host_client->lockedtill) {
SV_ClientPrintf(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(host_client, PRINT_CHAT,
"FloodProt: %s\n", fp_msg);
else
SV_ClientPrintf(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 = Cmd_Args();
if (*p == '"')
{
p++;
p[Q_strlen(p)-1] = 0;
}
Q_strcat(text, p);
Q_strcat(text, "\n");
Sys_Printf ("%s", text);
for (j = 0, client = svs.clients; j < MAX_CLIENTS; j++, client++)
{
if (client->state != cs_spawned)
continue;
if (host_client->spectator && !sv_spectalk->value)
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
}
}
SV_ClientPrintf(client, PRINT_CHAT, "%s", text);
}
}
/*
==================
SV_Say_f
==================
*/
void SV_Say_f(void)
{
SV_Say (false);
}
/*
==================
SV_Say_Team_f
==================
*/
void SV_Say_Team_f(void)
{
SV_Say (true);
}
//============================================================================
/*
=================
SV_Pings_f
The client is showing the scoreboard, so send new ping times for all
clients
=================
*/
void SV_Pings_f (void)
{
client_t *client;
int j;
for (j = 0, client = svs.clients; j < MAX_CLIENTS; j++, client++)
{
if (client->state != cs_spawned)
continue;
ClientReliableWrite_Begin (host_client, svc_updateping, 4);
ClientReliableWrite_Byte (host_client, j);
ClientReliableWrite_Short (host_client, client->ping);
ClientReliableWrite_Begin (host_client, svc_updatepl, 4);
ClientReliableWrite_Byte (host_client, j);
ClientReliableWrite_Byte (host_client, client->lossage);
}
}
/*
==================
SV_Kill_f
==================
*/
void SV_Kill_f (void)
{
if (sv_player->v.health <= 0)
{
SV_ClientPrintf (host_client, PRINT_HIGH, "Can't suicide -- allready dead!\n");
return;
}
pr_global_struct->time = sv.time;
pr_global_struct->self = EDICT_TO_PROG(sv_player);
PR_ExecuteProgram (pr_global_struct->ClientKill);
}
/*
==================
SV_TogglePause
==================
*/
void SV_TogglePause (const char *msg)
{
int i;
client_t *cl;
sv.paused ^= 1;
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)
continue;
ClientReliableWrite_Begin (cl, svc_setpause, 2);
ClientReliableWrite_Byte (cl, sv.paused);
}
}
/*
==================
SV_Pause_f
==================
*/
void SV_Pause_f (void)
{
char st[sizeof(host_client->name) + 32];
if (!pausable->value) {
SV_ClientPrintf (host_client, PRINT_HIGH, "Pause not allowed.\n");
return;
}
if (host_client->spectator) {
SV_ClientPrintf (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
=================
*/
void SV_Drop_f (void)
{
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
=================
*/
void SV_PTrack_f (void)
{
int i;
edict_t *ent, *tent;
if (!host_client->spectator)
return;
if (Cmd_Argc() != 2)
{
// turn off tracking
host_client->spec_track = 0;
ent = EDICT_NUM(host_client - svs.clients + 1);
tent = EDICT_NUM(0);
ent->v.goalentity = EDICT_TO_PROG(tent);
return;
}
i = atoi(Cmd_Argv(1));
if (i < 0 || i >= MAX_CLIENTS || svs.clients[i].state != cs_spawned ||
svs.clients[i].spectator) {
SV_ClientPrintf (host_client, PRINT_HIGH, "Invalid client to track\n");
host_client->spec_track = 0;
ent = EDICT_NUM(host_client - svs.clients + 1);
tent = EDICT_NUM(0);
ent->v.goalentity = EDICT_TO_PROG(tent);
return;
}
host_client->spec_track = i + 1; // now tracking
ent = EDICT_NUM(host_client - svs.clients + 1);
tent = EDICT_NUM(i + 1);
ent->v.goalentity = EDICT_TO_PROG(tent);
}
/*
=================
SV_Rate_f
Change the bandwidth estimate for a client
=================
*/
void SV_Rate_f (void)
{
int rate;
if (Cmd_Argc() != 2)
{
SV_ClientPrintf (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 (rate < 500)
rate = 500;
if (rate > 10000)
rate = 10000;
SV_ClientPrintf (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
=================
*/
void SV_Msg_f (void)
{
if (Cmd_Argc() != 2)
{
SV_ClientPrintf (host_client, PRINT_HIGH, "Current msg level is %i\n",
host_client->messagelevel);
return;
}
host_client->messagelevel = atoi(Cmd_Argv(1));
SV_ClientPrintf (host_client, PRINT_HIGH, "Msg level set to %i\n", host_client->messagelevel);
}
/*
==================
SV_SetInfo_f
Allow clients to change userinfo
==================
*/
void SV_SetInfo_f (void)
{
int i;
char oldval[MAX_INFO_STRING];
if (Cmd_Argc() == 1)
{
Con_Printf ("User info settings:\n");
Info_Print (host_client->userinfo);
return;
}
if (Cmd_Argc() != 3)
{
Con_Printf ("usage: setinfo [ <key> <value> ]\n");
return;
}
if (Cmd_Argv(1)[0] == '*')
return; // don't set priveledged values
strcpy(oldval, Info_ValueForKey(host_client->userinfo, Cmd_Argv(1)));
Info_SetValueForKey (host_client->userinfo, Cmd_Argv(1), Cmd_Argv(2), MAX_INFO_STRING);
// name is extracted below in ExtractFromUserInfo
// strncpy (host_client->name, Info_ValueForKey (host_client->userinfo, "name")
// , sizeof(host_client->name)-1);
// SV_FullClientUpdate (host_client, &sv.reliable_datagram);
// host_client->sendinfo = true;
if (!strcmp(Info_ValueForKey(host_client->userinfo, Cmd_Argv(1)), oldval))
return; // key hasn't changed
// process any changed values
SV_ExtractFromUserinfo (host_client);
i = host_client - svs.clients;
MSG_WriteByte (&sv.reliable_datagram, svc_setinfo);
MSG_WriteByte (&sv.reliable_datagram, i);
MSG_WriteString (&sv.reliable_datagram, Cmd_Argv(1));
MSG_WriteString (&sv.reliable_datagram, Info_ValueForKey(host_client->userinfo, Cmd_Argv(1)));
}
/*
==================
SV_ShowServerinfo_f
Dumps the serverinfo info string
==================
*/
void SV_ShowServerinfo_f (void)
{
Info_Print (svs.info);
}
void SV_NoSnap_f(void)
{
if (*host_client->uploadfn) {
*host_client->uploadfn = 0;
SV_BroadcastPrintf (PRINT_HIGH, "%s refused remote screenshot\n", host_client->name);
}
}
typedef struct
{
char *name;
void (*func) (void);
} ucmd_t;
ucmd_t ucmds[] =
{
{"new", SV_New_f},
{"modellist", SV_Modellist_f},
{"soundlist", SV_Soundlist_f},
{"prespawn", SV_PreSpawn_f},
{"spawn", SV_Spawn_f},
{"begin", SV_Begin_f},
{"drop", SV_Drop_f},
{"pings", SV_Pings_f},
// issued by hand at client consoles
{"rate", SV_Rate_f},
{"kill", SV_Kill_f},
{"pause", SV_Pause_f},
{"msg", SV_Msg_f},
{"say", SV_Say_f},
{"say_team", SV_Say_Team_f},
{"setinfo", SV_SetInfo_f},
{"serverinfo", SV_ShowServerinfo_f},
{"download", SV_BeginDownload_f},
{"nextdl", SV_NextDownload_f},
{"ptrack", SV_PTrack_f}, //ZOID - used with autocam
{"snap", SV_NoSnap_f},
{NULL, NULL}
};
/*
==================
SV_ExecuteUserCommand
==================
*/
void SV_ExecuteUserCommand (char *s)
{
ucmd_t *u;
Cmd_TokenizeString (s);
sv_player = host_client->edict;
SV_BeginRedirect (RD_CLIENT);
for (u=ucmds ; u->name ; u++)
if (!strcmp (Cmd_Argv(0), u->name) )
{
u->func ();
break;
}
if (!u->name)
Con_Printf ("Bad user command: %s\n", Cmd_Argv(0));
SV_EndRedirect ();
}
/*
===========================================================================
USER CMD EXECUTION
===========================================================================
*/
/*
===============
V_CalcRoll
Used by view and sv_user
===============
*/
float V_CalcRoll (vec3_t angles, vec3_t velocity)
{
vec3_t forward, right, up;
float sign;
float side;
float 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;
/*
====================
AddLinksToPmove
====================
*/
void AddLinksToPmove ( areanode_t *node )
{
link_t *l, *next;
edict_t *check;
int pl;
int i;
physent_t *pe;
pl = EDICT_TO_PROG(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 (check->v.owner == pl)
continue; // player's own missile
if (check->v.solid == SOLID_BSP
|| check->v.solid == SOLID_BBOX
|| check->v.solid == SOLID_SLIDEBOX)
{
if (check == sv_player)
continue;
for (i=0 ; i<3 ; i++)
if (check->v.absmin[i] > pmove_maxs[i]
|| check->v.absmax[i] < pmove_mins[i])
break;
if (i != 3)
continue;
if (pmove.numphysent == MAX_PHYSENTS)
return;
pe = &pmove.physents[pmove.numphysent];
pmove.numphysent++;
VectorCopy (check->v.origin, pe->origin);
pe->info = NUM_FOR_EDICT(check);
if (check->v.solid == SOLID_BSP)
pe->model = sv.models[(int)(check->v.modelindex)];
else
{
pe->model = NULL;
VectorCopy (check->v.mins, pe->mins);
VectorCopy (check->v.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] );
}
/*
================
AddAllEntsToPmove
For debugging
================
*/
void AddAllEntsToPmove (void)
{
int e;
edict_t *check;
int i;
physent_t *pe;
int pl;
pl = EDICT_TO_PROG(sv_player);
check = NEXT_EDICT(sv.edicts);
for (e=1 ; e<sv.num_edicts ; e++, check = NEXT_EDICT(check))
{
if (check->free)
continue;
if (check->v.owner == pl)
continue;
if (check->v.solid == SOLID_BSP
|| check->v.solid == SOLID_BBOX
|| check->v.solid == SOLID_SLIDEBOX)
{
if (check == sv_player)
continue;
for (i=0 ; i<3 ; i++)
if (check->v.absmin[i] > pmove_maxs[i]
|| check->v.absmax[i] < pmove_mins[i])
break;
if (i != 3)
continue;
pe = &pmove.physents[pmove.numphysent];
VectorCopy (check->v.origin, pe->origin);
pmove.physents[pmove.numphysent].info = e;
if (check->v.solid == SOLID_BSP)
pe->model = sv.models[(int)(check->v.modelindex)];
else
{
pe->model = NULL;
VectorCopy (check->v.mins, pe->mins);
VectorCopy (check->v.maxs, pe->maxs);
}
if (++pmove.numphysent == MAX_PHYSENTS)
break;
}
}
}
/*
===========
SV_PreRunCmd
===========
Done before running a player command. Clears the touch array
*/
byte playertouch[(MAX_EDICTS+7)/8];
void SV_PreRunCmd(void)
{
memset(playertouch, 0, sizeof(playertouch));
}
/*
SV_RunCmd
*/
void
SV_RunCmd (usercmd_t *ucmd, qboolean inside)
{
edict_t *ent;
int i, n, oldmsec;
double tmp_time;
// To prevent a infinite loop
if (!inside) {
host_client->msecs += ucmd->msec;
if ((sv_timekick->value >= 1) &&
(tmp_time = realtime - host_client->last_check) >= sv_timekick_interval->value) {
tmp_time *= (1000 + sv_timekick_fuzz->value);
if (host_client->msecs > (int) tmp_time) {
host_client->msec_cheating++;
SV_BroadcastPrintf( PRINT_HIGH,
va("%s thinks %d msecs pass in %f msecs. (Strike %d/%d)\n",
host_client->name, host_client->msecs, tmp_time,
host_client->msec_cheating, (int)sv_timekick->value));
if (host_client->msec_cheating >= sv_timekick->value) {
SV_BroadcastPrintf(PRINT_HIGH, va("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 infomation on QuakeForge's timecheat protection, and to explain how some may be cheating without knowing it.\n");
SV_DropClient(host_client);
}
}
host_client->msecs = 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 (!sv_player->v.fixangle)
VectorCopy (ucmd->angles, sv_player->v.v_angle);
sv_player->v.button0 = ucmd->buttons & 1;
sv_player->v.button2 = (ucmd->buttons & 2)>>1;
if (ucmd->impulse)
sv_player->v.impulse = ucmd->impulse;
//
// angles
// show 1/3 the pitch angle and all the roll angle
if (sv_player->v.health > 0) {
if (!sv_player->v.fixangle) {
sv_player->v.angles[PITCH] = -sv_player->v.v_angle[PITCH]/3;
sv_player->v.angles[YAW] = sv_player->v.v_angle[YAW];
}
sv_player->v.angles[ROLL] =
V_CalcRoll (sv_player->v.angles, sv_player->v.velocity)*4;
}
host_frametime = min(0.1, ucmd->msec * 0.001);
if (!host_client->spectator) {
pr_global_struct->frametime = host_frametime;
pr_global_struct->time = sv.time;
pr_global_struct->self = EDICT_TO_PROG(sv_player);
PR_ExecuteProgram (pr_global_struct->PlayerPreThink);
SV_RunThink (sv_player);
}
for (i=0 ; i<3 ; i++)
pmove.origin[i] = sv_player->v.origin[i] + (sv_player->v.mins[i] - player_mins[i]);
VectorCopy (sv_player->v.velocity, pmove.velocity);
VectorCopy (sv_player->v.v_angle, pmove.angles);
pmove.flying = sv_player->v.movetype == MOVETYPE_FLY;
pmove.spectator = host_client->spectator;
pmove.waterjumptime = sv_player->v.teleport_time;
pmove.numphysent = 1;
pmove.physents[0].model = sv.worldmodel;
pmove.cmd = *ucmd;
pmove.dead = sv_player->v.health <= 0;
pmove.oldbuttons = host_client->oldbuttons;
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 1
AddLinksToPmove ( sv_areanodes );
#else
AddAllEntsToPmove ();
#endif
#if 0
{
int before, after;
before = PM_TestPlayerPosition (pmove.origin);
PlayerMove ();
after = PM_TestPlayerPosition (pmove.origin);
if (sv_player->v.health > 0 && before && !after )
Con_Printf ("player %s got stuck in playermove!!!!\n", host_client->name);
}
#else
PlayerMove ();
#endif
host_client->oldbuttons = pmove.oldbuttons;
sv_player->v.teleport_time = pmove.waterjumptime;
sv_player->v.waterlevel = waterlevel;
sv_player->v.watertype = watertype;
if (onground != -1) {
sv_player->v.flags = (int)sv_player->v.flags | FL_ONGROUND;
sv_player->v.groundentity = EDICT_TO_PROG(EDICT_NUM(pmove.physents[onground].info));
} else {
sv_player->v.flags = (int)sv_player->v.flags & ~FL_ONGROUND;
}
for (i=0 ; i<3 ; i++)
sv_player->v.origin[i] = pmove.origin[i] - (sv_player->v.mins[i] - player_mins[i]);
#if 0
// truncate velocity the same way the net protocol will
for (i=0 ; i<3 ; i++)
sv_player->v.velocity[i] = (int)pmove.velocity[i];
#else
VectorCopy (pmove.velocity, sv_player->v.velocity);
#endif
VectorCopy (pmove.angles, sv_player->v.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.physents[pmove.touchindex[i]].info;
ent = EDICT_NUM(n);
if (!ent->v.touch || (playertouch[n/8]&(1<<(n%8))))
continue;
pr_global_struct->self = EDICT_TO_PROG(ent);
pr_global_struct->other = EDICT_TO_PROG(sv_player);
PR_ExecuteProgram (ent->v.touch);
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) {
pr_global_struct->time = sv.time;
pr_global_struct->self = EDICT_TO_PROG(sv_player);
PR_ExecuteProgram (pr_global_struct->PlayerPostThink);
SV_RunNewmis ();
} else if (SpectatorThink) {
pr_global_struct->time = sv.time;
pr_global_struct->self = EDICT_TO_PROG(sv_player);
PR_ExecuteProgram (SpectatorThink);
}
}
/*
===================
SV_ExecuteClientMessage
The current net_message is parsed for the given client
===================
*/
void SV_ExecuteClientMessage (client_t *cl)
{
int c;
char *s;
usercmd_t oldest, oldcmd, newcmd;
client_frame_t *frame;
vec3_t o;
qboolean move_issued = false; //only allow one move command
int checksumIndex;
byte checksum, calculatedChecksum;
int seq_hash;
// calc ping time
frame = &cl->frames[cl->netchan.incoming_acknowledged & UPDATE_MASK];
frame->ping_time = realtime - frame->senttime;
// 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
// save time for ping calculations
cl->frames[cl->netchan.outgoing_sequence & UPDATE_MASK].senttime = realtime;
cl->frames[cl->netchan.outgoing_sequence & UPDATE_MASK].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_sequence = -1; // no delta unless requested
while (1)
{
if (msg_badread)
{
Con_Printf ("SV_ReadClientMessage: badread\n");
SV_DropClient (cl);
return;
}
c = MSG_ReadByte ();
if (c == -1)
return;
switch (c)
{
default:
Con_Printf ("SV_ReadClientMessage: unknown command char\n");
SV_DropClient (cl);
return;
case clc_nop:
break;
case clc_delta:
cl->delta_sequence = MSG_ReadByte ();
break;
case clc_move:
if (move_issued)
return; // someone is trying to cheat...
move_issued = true;
checksumIndex = MSG_GetReadCount();
checksum = (byte)MSG_ReadByte ();
// read loss percentage
cl->lossage = MSG_ReadByte();
MSG_ReadDeltaUsercmd (&nullcmd, &oldest);
MSG_ReadDeltaUsercmd (&oldest, &oldcmd);
MSG_ReadDeltaUsercmd (&oldcmd, &newcmd);
if ( cl->state != cs_spawned )
break;
// if the checksum fails, ignore the rest of the packet
calculatedChecksum = COM_BlockSequenceCRCByte(
net_message.data + checksumIndex + 1,
MSG_GetReadCount() - checksumIndex - 1,
seq_hash);
if (calculatedChecksum != checksum)
{
Con_DPrintf ("Failed command checksum for %s(%d) (%d != %d)\n",
cl->name, cl->netchan.incoming_sequence, checksum, calculatedChecksum);
return;
}
if (!sv.paused) {
SV_PreRunCmd();
loss = net_drop;
if (net_drop < 20) {
while (net_drop > 2) {
SV_RunCmd (&cl->lastcmd, 0);
net_drop--;
}
if (net_drop > 1)
SV_RunCmd (&oldest, 0);
if (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 ();
SV_ExecuteUserCommand (s);
break;
case clc_tmove:
o[0] = MSG_ReadCoord();
o[1] = MSG_ReadCoord();
o[2] = MSG_ReadCoord();
// only allowed by spectators
if (host_client->spectator) {
VectorCopy(o, sv_player->v.origin);
SV_LinkEdict(sv_player, false);
}
break;
case clc_upload:
SV_NextUpload();
break;
}
}
}
/*
==============
SV_UserInit
==============
*/
void SV_UserInit (void)
{
cl_rollspeed = Cvar_Get ("cl_rollspeed","200",0,"None");
cl_rollangle = Cvar_Get ("cl_rollangle","2.0",0,"None");
sv_spectalk = Cvar_Get ("sv_spectalk","1",0,"None");
sv_mapcheck = Cvar_Get ("sv_mapcheck","1",0,"None");
}
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