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quakeforge/qw/source/sv_demo.c

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/*
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 included (GNU.txt) 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.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
static __attribute__ ((unused)) const char rcsid[] =
"$Id$";
#ifdef HAVE_STRING_H
# include "string.h"
#endif
#ifdef HAVE_STRINGS_H
# include "strings.h"
#endif
#ifdef HAVE_UNISTD_H
# include "unistd.h"
#endif
#include <sys/time.h>
#include <time.h>
#include "QF/cmd.h"
#include "QF/cvar.h"
#include "QF/dstring.h"
#include "QF/info.h"
#include "QF/msg.h"
#include "QF/qargs.h"
#include "QF/qendian.h"
#include "QF/quakefs.h"
#include "QF/sys.h"
#include "QF/va.h"
#include "compat.h"
#include "qw/pmove.h"
#include "server.h"
#include "sv_demo.h"
#include "sv_progs.h"
#include "sv_recorder.h"
static QFile *demo_file;
static byte *demo_mfile;
static qboolean demo_disk;
static dstring_t *demo_name; // filename of mvd
static dstring_t *demo_text; // filename of description file
static void *demo_dest;
static double demo_time;
static recorder_t *recorder;
static int delta_sequence;
#define MIN_DEMO_MEMORY 0x100000
#define USECACHE (sv_demoUseCache->int_val && svs.demomemsize)
#define DWRITE(a,b,d) dwrite((QFile *) d, a, b)
static int demo_max_size;
static int demo_size;
cvar_t *sv_demofps;
cvar_t *sv_demoPings;
cvar_t *sv_demoMaxSize;
static cvar_t *sv_demoUseCache;
static cvar_t *sv_demoCacheSize;
static cvar_t *sv_demoMaxDirSize;
static cvar_t *sv_demoDir;
static cvar_t *sv_demoNoVis;
static cvar_t *sv_demoPrefix;
static cvar_t *sv_demoSuffix;
static cvar_t *sv_onrecordfinish;
static cvar_t *sv_ondemoremove;
static cvar_t *sv_demotxt;
static cvar_t *serverdemo;
static int (*dwrite) (QFile * file, const void *buf, int count);
#define HEADER ((int) &((header_t *) 0)->data)
static int
memwrite (QFile *_mem, const void *buffer, int size)
{
byte **mem = (byte **) _mem;
memcpy (*mem, buffer, size);
*mem += size;
return size;
}
static void
demo_write (void *unused, sizebuf_t *msg, int unused2)
{
DWRITE (msg->data, msg->cursize, demo_dest);
}
static int
demo_frame (void *unused)
{
double min_fps;
if (!sv_demofps->value)
min_fps = 20.0;
else
min_fps = sv_demofps->value;
min_fps = max (4, min_fps);
if (sv.time - demo_time < 1.0 / min_fps)
return 0;
demo_time = sv.time;
return 1;
}
static void
demo_end_frame (recorder_t *r, void *unused)
{
SVR_SetDelta (r, ++delta_sequence, -1);
}
static void
demo_finish (void *unused, sizebuf_t *msg)
{
// write a disconnect message to the demo file
MSG_WriteByte (msg, svc_disconnect);
MSG_WriteString (msg, "EndOfDemo");
recorder = 0;
}
/*
SV_Stop
stop recording a demo
*/
void
SV_Stop (int reason)
{
if (!recorder) {
Con_Printf ("Not recording a demo.\n");
return;
}
if (reason == 2) {
// stop and remove
if (demo_disk)
Qclose (demo_file);
QFS_Remove (demo_name->str);
QFS_Remove (demo_text->str);
demo_file = NULL;
SVR_RemoveUser (recorder);
SV_BroadcastPrintf (PRINT_CHAT,
"Server recording canceled, demo removed\n");
Cvar_Set (serverdemo, "");
return;
}
// clearup to be sure message will fit
SVR_RemoveUser (recorder);
Qclose (demo_file);
demo_file = NULL;
recorder = 0;
if (!reason)
SV_BroadcastPrintf (PRINT_CHAT, "Server recording completed\n");
else
SV_BroadcastPrintf (PRINT_CHAT, "Server recording stoped\n"
"Max demo size exceeded\n");
/*
if (sv_onrecordfinish->string[0]) {
extern redirect_t sv_redirected;
int old = sv_redirected;
char path[MAX_OSPATH];
char *p;
if ((p = strstr (sv_onrecordfinish->string, " ")) != NULL)
*p = 0; // strip parameters
strcpy (path, demo_name->str);
strcpy (path + strlen (demo_name->str) - 3, "txt");
sv_redirected = RD_NONE; // onrecord script is called always
// from the console
Cmd_TokenizeString (va ("script %s \"%s\" \"%s\" \"%s\" %s",
sv_onrecordfinish->string, demo.path->str,
serverdemo->string,
path, p != NULL ? p + 1 : ""));
if (p)
*p = ' ';
SV_Script_f ();
sv_redirected = old;
}
*/
Cvar_Set (serverdemo, "");
}
static void
SV_Stop_f (void)
{
SV_Stop (0);
}
/*
SV_Cancel_f
Stops recording, and removes the demo
*/
static void
SV_Cancel_f (void)
{
SV_Stop (2);
}
static qboolean
SV_InitRecord (void)
{
if (!USECACHE) {
dwrite = &Qwrite;
demo_dest = demo_file;
demo_disk = true;
} else {
dwrite = &memwrite;
demo_mfile = svs.demomem;
demo_dest = &demo_mfile;
}
demo_size = 0;
return true;
}
/*
SV_WriteRecordDemoMessage
Dumps the current net message, prefixed by the length and view angles
*/
static void
SV_WriteRecordDemoMessage (sizebuf_t *msg)
{
int len;
byte c;
c = 0;
/*demo.size +=*/ DWRITE (&c, sizeof (c), demo_dest);
c = dem_read;
/*demo.size +=*/ DWRITE (&c, sizeof (c), demo_dest);
len = LittleLong (msg->cursize);
/*demo.size +=*/ DWRITE (&len, 4, demo_dest);
/*demo.size +=*/ DWRITE (msg->data, msg->cursize, demo_dest);
if (demo_disk)
Qflush (demo_file);
}
static void
SV_WriteSetDemoMessage (void)
{
int len;
byte c;
c = 0;
/*demo.size +=*/ DWRITE (&c, sizeof (c), demo_dest);
c = dem_set;
/*demo.size +=*/ DWRITE (&c, sizeof (c), demo_dest);
len = LittleLong (0);
/*demo.size +=*/ DWRITE (&len, 4, demo_dest);
len = LittleLong (0);
/*demo.size +=*/ DWRITE (&len, 4, demo_dest);
if (demo_disk)
Qflush (demo_file);
}
static const char *
SV_PrintTeams (void)
{
const char *teams[MAX_CLIENTS];
char *p;
int i, j, numcl = 0, numt = 0;
client_t *clients[MAX_CLIENTS];
const char *team;
static dstring_t *buffer;
if (!buffer)
buffer = dstring_new ();
// count teams and players
for (i = 0; i < MAX_CLIENTS; i++) {
if (svs.clients[i].state != cs_spawned
&& svs.clients[i].state != cs_server)
continue;
if (svs.clients[i].spectator)
continue;
team = Info_ValueForKey (svs.clients[i].userinfo, "team");
clients[numcl++] = &svs.clients[i];
for (j = 0; j < numt; j++)
if (!strcmp (team, teams[j]))
break;
if (j != numt)
continue;
teams[numt++] = team;
}
// create output
if (numcl == 2) { // duel
dsprintf (buffer, "team1 %s\nteam2 %s\n", clients[0]->name,
clients[1]->name);
} else if (!teamplay->int_val) { // ffa
dsprintf (buffer, "players:\n");
for (i = 0; i < numcl; i++)
dasprintf (buffer, " %s\n", clients[i]->name);
} else { // teamplay
for (j = 0; j < numt; j++) {
dasprintf (buffer, "team %s:\n", teams[j]);
for (i = 0; i < numcl; i++) {
team = Info_ValueForKey (svs.clients[i].userinfo, "team");
if (!strcmp (team, teams[j]))
dasprintf (buffer, " %s\n", clients[i]->name);
}
}
}
if (!numcl)
return "\n";
for (p = buffer->str; *p; p++)
*p = sys_char_map[(byte) * p];
return buffer->str;
}
static int
make_info_string_filter (const char *key)
{
return *key == '_' || !Info_FilterForKey (key, client_info_filters);
}
static void
SV_Record (char *name)
{
sizebuf_t buf;
byte buf_data[MAX_MSGLEN];
int n, i;
const char *info;
client_t *player;
const char *gamedir, *s;
demo_file = QFS_Open (name, "wb");
if (!demo_file) {
Con_Printf ("ERROR: couldn't open %s\n", name);
return;
}
SV_InitRecord ();
s = name + strlen (name);
while (s > name && *s != '/')
s--;
dstring_copystr (demo_name, s + (*s == '/'));
SV_BroadcastPrintf (PRINT_CHAT, "Server started recording (%s):\n%s\n",
demo_disk ? "disk" : "memory", demo_name->str);
Cvar_Set (serverdemo, demo_name->str);
dstring_copystr (demo_text, name);
strcpy (demo_text->str + strlen (demo_text->str) - 3, "txt");
if (sv_demotxt->int_val) {
QFile *f;
f = QFS_Open (demo_text->str, "w+t");
if (f != NULL) {
char date[20];
time_t tim;
time (&tim);
strftime (date, sizeof (date), "%Y-%m-%d-%H-%M", localtime (&tim));
Qprintf (f, "date %s\nmap %s\nteamplay %d\ndeathmatch %d\n"
"timelimit %d\n%s",
date, sv.name, teamplay->int_val,
deathmatch->int_val, timelimit->int_val,
SV_PrintTeams ());
Qclose (f);
}
} else
QFS_Remove (demo_text->str);
recorder = SVR_AddUser (demo_write, demo_frame, demo_end_frame,
demo_finish, 1, 0);
delta_sequence = -1;
demo_time = sv.time;
/*-------------------------------------------------*/
// serverdata
// send the info about the new client to all connected clients
memset (&buf, 0, sizeof (buf));
buf.data = buf_data;
buf.maxsize = sizeof (buf_data);
// send the serverdata
gamedir = Info_ValueForKey (svs.info, "*gamedir");
if (!gamedir[0])
gamedir = "qw";
MSG_WriteByte (&buf, svc_serverdata);
MSG_WriteLong (&buf, PROTOCOL_VERSION);
MSG_WriteLong (&buf, svs.spawncount);
MSG_WriteString (&buf, gamedir);
MSG_WriteFloat (&buf, sv.time);
// send full levelname
MSG_WriteString (&buf, PR_GetString (&sv_pr_state,
SVstring (sv.edicts, message)));
// send the movevars
MSG_WriteFloat (&buf, movevars.gravity);
MSG_WriteFloat (&buf, movevars.stopspeed);
MSG_WriteFloat (&buf, movevars.maxspeed);
MSG_WriteFloat (&buf, movevars.spectatormaxspeed);
MSG_WriteFloat (&buf, movevars.accelerate);
MSG_WriteFloat (&buf, movevars.airaccelerate);
MSG_WriteFloat (&buf, movevars.wateraccelerate);
MSG_WriteFloat (&buf, movevars.friction);
MSG_WriteFloat (&buf, movevars.waterfriction);
MSG_WriteFloat (&buf, movevars.entgravity);
// send music
MSG_WriteByte (&buf, svc_cdtrack);
MSG_WriteByte (&buf, 0); // none in demos
// send server info string
MSG_WriteByte (&buf, svc_stufftext);
MSG_WriteString (&buf, va ("fullserverinfo \"%s\"\n",
Info_MakeString (svs.info, 0)));
// flush packet
SV_WriteRecordDemoMessage (&buf);
SZ_Clear (&buf);
// soundlist
MSG_WriteByte (&buf, svc_soundlist);
MSG_WriteByte (&buf, 0);
n = 0;
s = sv.sound_precache[n + 1];
while (s) {
MSG_WriteString (&buf, s);
if (buf.cursize > MAX_MSGLEN / 2) {
MSG_WriteByte (&buf, 0);
MSG_WriteByte (&buf, n);
SV_WriteRecordDemoMessage (&buf);
SZ_Clear (&buf);
MSG_WriteByte (&buf, svc_soundlist);
MSG_WriteByte (&buf, n + 1);
}
n++;
s = sv.sound_precache[n + 1];
}
if (buf.cursize) {
MSG_WriteByte (&buf, 0);
MSG_WriteByte (&buf, 0);
SV_WriteRecordDemoMessage (&buf);
SZ_Clear (&buf);
}
// modellist
MSG_WriteByte (&buf, svc_modellist);
MSG_WriteByte (&buf, 0);
n = 0;
s = sv.model_precache[n + 1];
while (s) {
MSG_WriteString (&buf, s);
if (buf.cursize > MAX_MSGLEN / 2) {
MSG_WriteByte (&buf, 0);
MSG_WriteByte (&buf, n);
SV_WriteRecordDemoMessage (&buf);
SZ_Clear (&buf);
MSG_WriteByte (&buf, svc_modellist);
MSG_WriteByte (&buf, n + 1);
}
n++;
s = sv.model_precache[n + 1];
}
if (buf.cursize) {
MSG_WriteByte (&buf, 0);
MSG_WriteByte (&buf, 0);
SV_WriteRecordDemoMessage (&buf);
SZ_Clear (&buf);
}
// prespawn
for (n = 0; n < sv.num_signon_buffers; n++) {
SZ_Write (&buf, sv.signon_buffers[n], sv.signon_buffer_size[n]);
if (buf.cursize > MAX_MSGLEN / 2) {
SV_WriteRecordDemoMessage (&buf);
SZ_Clear (&buf);
}
}
MSG_WriteByte (&buf, svc_stufftext);
MSG_WriteString (&buf, va ("cmd spawn %i 0\n", svs.spawncount));
if (buf.cursize) {
SV_WriteRecordDemoMessage (&buf);
SZ_Clear (&buf);
}
// send current status of all other players
for (i = 0; i < MAX_CLIENTS; i++) {
player = svs.clients + i;
MSG_WriteByte (&buf, svc_updatefrags);
MSG_WriteByte (&buf, i);
MSG_WriteShort (&buf, player->old_frags);
MSG_WriteByte (&buf, svc_updateping);
MSG_WriteByte (&buf, i);
MSG_WriteShort (&buf, SV_CalcPing (player));
MSG_WriteByte (&buf, svc_updatepl);
MSG_WriteByte (&buf, i);
MSG_WriteByte (&buf, player->lossage);
MSG_WriteByte (&buf, svc_updateentertime);
MSG_WriteByte (&buf, i);
MSG_WriteFloat (&buf, realtime - player->connection_started);
info = player->userinfo ? Info_MakeString (player->userinfo,
make_info_string_filter)
: "";
MSG_WriteByte (&buf, svc_updateuserinfo);
MSG_WriteByte (&buf, i);
MSG_WriteLong (&buf, player->userid);
MSG_WriteString (&buf, info);
if (buf.cursize > MAX_MSGLEN / 2) {
SV_WriteRecordDemoMessage (&buf);
SZ_Clear (&buf);
}
}
// send all current light styles
for (i = 0; i < MAX_LIGHTSTYLES; i++) {
MSG_WriteByte (&buf, svc_lightstyle);
MSG_WriteByte (&buf, (char) i);
MSG_WriteString (&buf, sv.lightstyles[i]);
}
// get the client to check and download skins
// when that is completed, a begin command will be issued
MSG_WriteByte (&buf, svc_stufftext);
MSG_WriteString (&buf, va ("skins\n"));
SV_WriteRecordDemoMessage (&buf);
SV_WriteSetDemoMessage ();
// done
}
/*
SV_CleanName
Cleans the demo name, removes restricted chars, makes name lowercase
*/
static char *
SV_CleanName (const char *name)
{
static char *text;
static size_t text_len;
char *out, c;
if (text_len < strlen (name)) {
text_len = (strlen (name) + 1023) & ~1023;
text = realloc (text, text_len);
}
out = text;
do {
c = sys_char_map[(byte) *name++];
if (c != '_')
*out++ = c;
} while (c);
return text;
}
/*
SV_Record_f
record <demoname>
*/
static void
SV_Record_f (void)
{
dstring_t *name = dstring_newstr ();
if (Cmd_Argc () != 2) {
Con_Printf ("record <demoname>\n");
return;
}
if (sv.state != ss_active) {
Con_Printf ("Not active yet.\n");
return;
}
if (recorder)
SV_Stop (0);
dsprintf (name, "%s/%s/%s%s%s", qfs_gamedir->dir.def, sv_demoDir->string,
sv_demoPrefix->string, SV_CleanName (Cmd_Argv (1)),
sv_demoSuffix->string);
// open the demo file
name->size += 4;
dstring_adjust (name);
QFS_DefaultExtension (name->str, ".mvd");
SV_Record (name->str);
dstring_delete (name);
}
/*
SV_EasyRecord_f
easyrecord [demoname]
*/
static int
Dem_CountPlayers (void)
{
int i, count;
count = 0;
for (i = 0; i < MAX_CLIENTS; i++) {
if (svs.clients[i].name[0] && !svs.clients[i].spectator)
count++;
}
return count;
}
static const char *
Dem_Team (int num)
{
int i;
static const char *lastteam[2];
qboolean first = true;
client_t *client;
static int index = 0;
const char *team;
index = 1 - index;
for (i = 0, client = svs.clients; num && i < MAX_CLIENTS; i++, client++) {
if (!client->name[0] || client->spectator)
continue;
team = Info_ValueForKey (svs.clients[i].userinfo, "team");
if (first || strcmp (lastteam[index], team)) {
first = false;
num--;
lastteam[index] = team;
}
}
if (num)
return "";
return lastteam[index];
}
static const char *
Dem_PlayerName (int num)
{
int i;
client_t *client;
for (i = 0, client = svs.clients; i < MAX_CLIENTS; i++, client++) {
if (!client->name[0] || client->spectator)
continue;
if (!--num)
return client->name;
}
return "";
}
static void
SV_EasyRecord_f (void)
{
dstring_t *name = dstring_newstr ();
dstring_t *name2 = dstring_newstr ();
int i;
if (Cmd_Argc () > 2) {
Con_Printf ("easyrecord [demoname]\n");
return;
}
if (recorder)
SV_Stop (0);
if (Cmd_Argc () == 2)
dsprintf (name, "%s", Cmd_Argv (1));
else {
// guess game type and write demo name
i = Dem_CountPlayers ();
if (teamplay->int_val && i > 2) {
// Teamplay
dsprintf (name, "team_%s_vs_%s_%s",
Dem_Team (1), Dem_Team (2), sv.name);
} else {
if (i == 2) {
// Duel
dsprintf (name, "duel_%s_vs_%s_%s",
Dem_PlayerName (1), Dem_PlayerName (2), sv.name);
} else {
// FFA
dsprintf (name, "ffa_%s (%d)", sv.name, i);
}
}
}
// Make sure the filename doesn't contain illegal characters
dsprintf (name2, "%s/%s%s%s%s%s",
qfs_gamedir->dir.def, sv_demoDir->string,
sv_demoDir->string[0] ? "/" : "",
sv_demoPrefix->string, SV_CleanName (name->str),
sv_demoSuffix->string);
if (QFS_NextFilename (name, name2->str, ".mvd"))
SV_Record (name->str);
dstring_delete (name);
dstring_delete (name2);
}
void
Demo_Init (void)
{
int p, size = MIN_DEMO_MEMORY;
p = COM_CheckParm ("-democache");
if (p) {
if (p < com_argc - 1)
size = atoi (com_argv[p + 1]) * 1024;
else
Sys_Error ("Memory_Init: you must specify a size in KB after "
"-democache");
}
if (size < MIN_DEMO_MEMORY) {
Con_Printf ("Minimum memory size for demo cache is %dk\n",
MIN_DEMO_MEMORY / 1024);
size = MIN_DEMO_MEMORY;
}
demo_name = dstring_newstr ();
demo_text = dstring_newstr ();
svs.demomem = Hunk_AllocName (size, "demo");
svs.demomemsize = size;
demo_max_size = size - 0x80000;
serverdemo = Cvar_Get ("serverdemo", "", CVAR_SERVERINFO, Cvar_Info,
"FIXME");
sv_demofps = Cvar_Get ("sv_demofps", "20", CVAR_NONE, 0, "FIXME");
sv_demoPings = Cvar_Get ("sv_demoPings", "3", CVAR_NONE, 0, "FIXME");
sv_demoNoVis = Cvar_Get ("sv_demoNoVis", "1", CVAR_NONE, 0, "FIXME");
sv_demoUseCache = Cvar_Get ("sv_demoUseCache", "0", CVAR_NONE, 0, "FIXME");
sv_demoCacheSize = Cvar_Get ("sv_demoCacheSize", va ("%d", size / 1024),
CVAR_ROM, 0, "FIXME");
sv_demoMaxSize = Cvar_Get ("sv_demoMaxSize", "20480", CVAR_NONE, 0,
"FIXME");
sv_demoMaxDirSize = Cvar_Get ("sv_demoMaxDirSize", "102400", CVAR_NONE, 0,
"FIXME");
sv_demoDir = Cvar_Get ("sv_demoDir", "demos", CVAR_NONE, 0, "FIXME");
sv_demoPrefix = Cvar_Get ("sv_demoPrefix", "", CVAR_NONE, 0, "FIXME");
sv_demoSuffix = Cvar_Get ("sv_demoSuffix", "", CVAR_NONE, 0, "FIXME");
sv_onrecordfinish = Cvar_Get ("sv_onrecordfinish", "", CVAR_NONE, 0, "FIXME");
sv_ondemoremove = Cvar_Get ("sv_ondemoremove", "", CVAR_NONE, 0, "FIXME");
sv_demotxt = Cvar_Get ("sv_demotxt", "1", CVAR_NONE, 0, "FIXME");
Cmd_AddCommand ("record", SV_Record_f, "FIXME");
Cmd_AddCommand ("easyrecord", SV_EasyRecord_f, "FIXME");
Cmd_AddCommand ("stop", SV_Stop_f, "FIXME");
Cmd_AddCommand ("cancel", SV_Cancel_f, "FIXME");
}
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