Revert "Make cdda optional, server does not need to play music" because it
[xonotic/darkplaces.git] / host.c
1 /*
2 Copyright (C) 1996-1997 Id Software, Inc.
3
4 This program is free software; you can redistribute it and/or
5 modify it under the terms of the GNU General Public License
6 as published by the Free Software Foundation; either version 2
7 of the License, or (at your option) any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
12
13 See the GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
18
19 */
20 // host.c -- coordinates spawning and killing of local servers
21
22 #include "quakedef.h"
23
24 #include <time.h>
25 #include "libcurl.h"
26 #include "cdaudio.h"
27 #include "cl_video.h"
28 #include "progsvm.h"
29 #include "csprogs.h"
30 #include "sv_demo.h"
31 #include "snd_main.h"
32 #include "thread.h"
33 #include "utf8lib.h"
34
35 /*
36
37 A server can always be started, even if the system started out as a client
38 to a remote system.
39
40 A client can NOT be started if the system started as a dedicated server.
41
42 Memory is cleared / released when a server or client begins, not when they end.
43
44 */
45
46 // how many frames have occurred
47 // (checked by Host_Error and Host_SaveConfig_f)
48 int host_framecount = 0;
49 // LordHavoc: set when quit is executed
50 qboolean host_shuttingdown = false;
51
52 // the accumulated mainloop time since application started (with filtering), without any slowmo or clamping
53 double realtime;
54 // the main loop wall time for this frame
55 double host_dirtytime;
56
57 // current client
58 client_t *host_client;
59
60 jmp_buf host_abortframe;
61
62 // pretend frames take this amount of time (in seconds), 0 = realtime
63 cvar_t host_framerate = {0, "host_framerate","0", "locks frame timing to this value in seconds, 0.05 is 20fps for example, note that this can easily run too fast, use cl_maxfps if you want to limit your framerate instead, or sys_ticrate to limit server speed"};
64 cvar_t cl_maxphysicsframesperserverframe = {0, "cl_maxphysicsframesperserverframe","10", "maximum number of physics frames per server frame"};
65 // shows time used by certain subsystems
66 cvar_t host_speeds = {0, "host_speeds","0", "reports how much time is used in server/graphics/sound"};
67 cvar_t host_maxwait = {0, "host_maxwait","1000", "maximum sleep time requested from the operating system in millisecond. Larger sleeps will be done using multiple host_maxwait length sleeps. Lowering this value will increase CPU load, but may help working around problems with accuracy of sleep times."};
68 cvar_t cl_minfps = {CVAR_SAVE, "cl_minfps", "40", "minimum fps target - while the rendering performance is below this, it will drift toward lower quality"};
69 cvar_t cl_minfps_fade = {CVAR_SAVE, "cl_minfps_fade", "1", "how fast the quality adapts to varying framerate"};
70 cvar_t cl_minfps_qualitymax = {CVAR_SAVE, "cl_minfps_qualitymax", "1", "highest allowed drawdistance multiplier"};
71 cvar_t cl_minfps_qualitymin = {CVAR_SAVE, "cl_minfps_qualitymin", "0.25", "lowest allowed drawdistance multiplier"};
72 cvar_t cl_minfps_qualitymultiply = {CVAR_SAVE, "cl_minfps_qualitymultiply", "0.2", "multiplier for quality changes in quality change per second render time (1 assumes linearity of quality and render time)"};
73 cvar_t cl_minfps_qualityhysteresis = {CVAR_SAVE, "cl_minfps_qualityhysteresis", "0.05", "reduce all quality increments by this to reduce flickering"};
74 cvar_t cl_minfps_qualitystepmax = {CVAR_SAVE, "cl_minfps_qualitystepmax", "0.1", "maximum quality change in a single frame"};
75 cvar_t cl_minfps_force = {0, "cl_minfps_force", "0", "also apply quality reductions in timedemo/capturevideo"};
76 cvar_t cl_maxfps = {CVAR_SAVE, "cl_maxfps", "0", "maximum fps cap, 0 = unlimited, if game is running faster than this it will wait before running another frame (useful to make cpu time available to other programs)"};
77 cvar_t cl_maxfps_alwayssleep = {0, "cl_maxfps_alwayssleep","1", "gives up some processing time to other applications each frame, value in milliseconds, disabled if cl_maxfps is 0"};
78 cvar_t cl_maxidlefps = {CVAR_SAVE, "cl_maxidlefps", "20", "maximum fps cap when the game is not the active window (makes cpu time available to other programs"};
79
80 cvar_t developer = {CVAR_SAVE, "developer","0", "shows debugging messages and information (recommended for all developers and level designers); the value -1 also suppresses buffering and logging these messages"};
81 cvar_t developer_extra = {0, "developer_extra", "0", "prints additional debugging messages, often very verbose!"};
82 cvar_t developer_insane = {0, "developer_insane", "0", "prints huge streams of information about internal workings, entire contents of files being read/written, etc.  Not recommended!"};
83 cvar_t developer_loadfile = {0, "developer_loadfile","0", "prints name and size of every file loaded via the FS_LoadFile function (which is almost everything)"};
84 cvar_t developer_loading = {0, "developer_loading","0", "prints information about files as they are loaded or unloaded successfully"};
85 cvar_t developer_entityparsing = {0, "developer_entityparsing", "0", "prints detailed network entities information each time a packet is received"};
86
87 cvar_t timestamps = {CVAR_SAVE, "timestamps", "0", "prints timestamps on console messages"};
88 cvar_t timeformat = {CVAR_SAVE, "timeformat", "[%Y-%m-%d %H:%M:%S] ", "time format to use on timestamped console messages"};
89
90 cvar_t sessionid = {CVAR_READONLY, "sessionid", "", "ID of the current session (use the -sessionid parameter to set it); this is always either empty or begins with a dot (.)"};
91 cvar_t locksession = {0, "locksession", "0", "Lock the session? 0 = no, 1 = yes and abort on failure, 2 = yes and continue on failure"};
92
93 /*
94 ================
95 Host_AbortCurrentFrame
96
97 aborts the current host frame and goes on with the next one
98 ================
99 */
100 void Host_AbortCurrentFrame(void) DP_FUNC_NORETURN;
101 void Host_AbortCurrentFrame(void)
102 {
103         // in case we were previously nice, make us mean again
104         Sys_MakeProcessMean();
105
106         longjmp (host_abortframe, 1);
107 }
108
109 /*
110 ================
111 Host_Error
112
113 This shuts down both the client and server
114 ================
115 */
116 void Host_Error (const char *error, ...)
117 {
118         static char hosterrorstring1[MAX_INPUTLINE]; // THREAD UNSAFE
119         static char hosterrorstring2[MAX_INPUTLINE]; // THREAD UNSAFE
120         static qboolean hosterror = false;
121         va_list argptr;
122
123         // turn off rcon redirect if it was active when the crash occurred
124         // to prevent loops when it is a networking problem
125         Con_Rcon_Redirect_Abort();
126
127         va_start (argptr,error);
128         dpvsnprintf (hosterrorstring1,sizeof(hosterrorstring1),error,argptr);
129         va_end (argptr);
130
131         Con_Printf("Host_Error: %s\n", hosterrorstring1);
132
133         // LordHavoc: if crashing very early, or currently shutting down, do
134         // Sys_Error instead
135         if (host_framecount < 3 || host_shuttingdown)
136                 Sys_Error ("Host_Error: %s", hosterrorstring1);
137
138         if (hosterror)
139                 Sys_Error ("Host_Error: recursively entered (original error was: %s    new error is: %s)", hosterrorstring2, hosterrorstring1);
140         hosterror = true;
141
142         strlcpy(hosterrorstring2, hosterrorstring1, sizeof(hosterrorstring2));
143
144         CL_Parse_DumpPacket();
145
146         CL_Parse_ErrorCleanUp();
147
148         //PR_Crash();
149
150         // print out where the crash happened, if it was caused by QC (and do a cleanup)
151         PRVM_Crash(SVVM_prog);
152         PRVM_Crash(CLVM_prog);
153         PRVM_Crash(MVM_prog);
154
155         cl.csqc_loaded = false;
156         Cvar_SetValueQuick(&csqc_progcrc, -1);
157         Cvar_SetValueQuick(&csqc_progsize, -1);
158
159         SV_LockThreadMutex();
160         Host_ShutdownServer ();
161         SV_UnlockThreadMutex();
162
163         if (cls.state == ca_dedicated)
164                 Sys_Error ("Host_Error: %s",hosterrorstring2);  // dedicated servers exit
165
166         CL_Disconnect ();
167         cls.demonum = -1;
168
169         hosterror = false;
170
171         Host_AbortCurrentFrame();
172 }
173
174 static void Host_ServerOptions (void)
175 {
176         int i;
177
178         // general default
179         svs.maxclients = 8;
180
181 // COMMANDLINEOPTION: Server: -dedicated [playerlimit] starts a dedicated server (with a command console), default playerlimit is 8
182 // COMMANDLINEOPTION: Server: -listen [playerlimit] starts a multiplayer server with graphical client, like singleplayer but other players can connect, default playerlimit is 8
183         // if no client is in the executable or -dedicated is specified on
184         // commandline, start a dedicated server
185         i = COM_CheckParm ("-dedicated");
186         if (i || !cl_available)
187         {
188                 cls.state = ca_dedicated;
189                 // check for -dedicated specifying how many players
190                 if (i && i + 1 < com_argc && atoi (com_argv[i+1]) >= 1)
191                         svs.maxclients = atoi (com_argv[i+1]);
192                 if (COM_CheckParm ("-listen"))
193                         Con_Printf ("Only one of -dedicated or -listen can be specified\n");
194                 // default sv_public on for dedicated servers (often hosted by serious administrators), off for listen servers (often hosted by clueless users)
195                 Cvar_SetValue("sv_public", 1);
196         }
197         else if (cl_available)
198         {
199                 // client exists and not dedicated, check if -listen is specified
200                 cls.state = ca_disconnected;
201                 i = COM_CheckParm ("-listen");
202                 if (i)
203                 {
204                         // default players unless specified
205                         if (i + 1 < com_argc && atoi (com_argv[i+1]) >= 1)
206                                 svs.maxclients = atoi (com_argv[i+1]);
207                 }
208                 else
209                 {
210                         // default players in some games, singleplayer in most
211                         if (gamemode != GAME_GOODVSBAD2 && gamemode != GAME_NEXUIZ && gamemode != GAME_XONOTIC && gamemode != GAME_BATTLEMECH)
212                                 svs.maxclients = 1;
213                 }
214         }
215
216         svs.maxclients = svs.maxclients_next = bound(1, svs.maxclients, MAX_SCOREBOARD);
217
218         svs.clients = (client_t *)Mem_Alloc(sv_mempool, sizeof(client_t) * svs.maxclients);
219
220         if (svs.maxclients > 1 && !deathmatch.integer && !coop.integer)
221                 Cvar_SetValueQuick(&deathmatch, 1);
222 }
223
224 /*
225 =======================
226 Host_InitLocal
227 ======================
228 */
229 void Host_SaveConfig_f(void);
230 void Host_LoadConfig_f(void);
231 extern cvar_t sv_writepicture_quality;
232 extern cvar_t r_texture_jpeg_fastpicmip;
233 static void Host_InitLocal (void)
234 {
235         Cmd_AddCommand("saveconfig", Host_SaveConfig_f, "save settings to config.cfg (or a specified filename) immediately (also automatic when quitting)");
236         Cmd_AddCommand("loadconfig", Host_LoadConfig_f, "reset everything and reload configs");
237
238         Cvar_RegisterVariable (&cl_maxphysicsframesperserverframe);
239         Cvar_RegisterVariable (&host_framerate);
240         Cvar_RegisterVariable (&host_speeds);
241         Cvar_RegisterVariable (&host_maxwait);
242         Cvar_RegisterVariable (&cl_minfps);
243         Cvar_RegisterVariable (&cl_minfps_fade);
244         Cvar_RegisterVariable (&cl_minfps_qualitymax);
245         Cvar_RegisterVariable (&cl_minfps_qualitymin);
246         Cvar_RegisterVariable (&cl_minfps_qualitystepmax);
247         Cvar_RegisterVariable (&cl_minfps_qualityhysteresis);
248         Cvar_RegisterVariable (&cl_minfps_qualitymultiply);
249         Cvar_RegisterVariable (&cl_minfps_force);
250         Cvar_RegisterVariable (&cl_maxfps);
251         Cvar_RegisterVariable (&cl_maxfps_alwayssleep);
252         Cvar_RegisterVariable (&cl_maxidlefps);
253
254         Cvar_RegisterVariable (&developer);
255         Cvar_RegisterVariable (&developer_extra);
256         Cvar_RegisterVariable (&developer_insane);
257         Cvar_RegisterVariable (&developer_loadfile);
258         Cvar_RegisterVariable (&developer_loading);
259         Cvar_RegisterVariable (&developer_entityparsing);
260
261         Cvar_RegisterVariable (&timestamps);
262         Cvar_RegisterVariable (&timeformat);
263
264         Cvar_RegisterVariable (&sv_writepicture_quality);
265         Cvar_RegisterVariable (&r_texture_jpeg_fastpicmip);
266 }
267
268
269 /*
270 ===============
271 Host_SaveConfig_f
272
273 Writes key bindings and archived cvars to config.cfg
274 ===============
275 */
276 static void Host_SaveConfig_to(const char *file)
277 {
278         qfile_t *f;
279
280 // dedicated servers initialize the host but don't parse and set the
281 // config.cfg cvars
282         // LordHavoc: don't save a config if it crashed in startup
283         if (host_framecount >= 3 && cls.state != ca_dedicated && !COM_CheckParm("-benchmark") && !COM_CheckParm("-capturedemo"))
284         {
285                 f = FS_OpenRealFile(file, "wb", false);
286                 if (!f)
287                 {
288                         Con_Printf("Couldn't write %s.\n", file);
289                         return;
290                 }
291
292                 Key_WriteBindings (f);
293                 Cvar_WriteVariables (f);
294
295                 FS_Close (f);
296         }
297 }
298 void Host_SaveConfig(void)
299 {
300         Host_SaveConfig_to(CONFIGFILENAME);
301 }
302 void Host_SaveConfig_f(void)
303 {
304         const char *file = CONFIGFILENAME;
305
306         if(Cmd_Argc() >= 2) {
307                 file = Cmd_Argv(1);
308                 Con_Printf("Saving to %s\n", file);
309         }
310
311         Host_SaveConfig_to(file);
312 }
313
314 static void Host_AddConfigText(void)
315 {
316         // set up the default startmap_sp and startmap_dm aliases (mods can
317         // override these) and then execute the quake.rc startup script
318         if (gamemode == GAME_NEHAHRA)
319                 Cbuf_InsertText("alias startmap_sp \"map nehstart\"\nalias startmap_dm \"map nehstart\"\nexec " STARTCONFIGFILENAME "\n");
320         else if (gamemode == GAME_TRANSFUSION)
321                 Cbuf_InsertText("alias startmap_sp \"map e1m1\"\n""alias startmap_dm \"map bb1\"\nexec " STARTCONFIGFILENAME "\n");
322         else if (gamemode == GAME_TEU)
323                 Cbuf_InsertText("alias startmap_sp \"map start\"\nalias startmap_dm \"map start\"\nexec teu.rc\n");
324         else
325                 Cbuf_InsertText("alias startmap_sp \"map start\"\nalias startmap_dm \"map start\"\nexec " STARTCONFIGFILENAME "\n");
326 }
327
328 /*
329 ===============
330 Host_LoadConfig_f
331
332 Resets key bindings and cvars to defaults and then reloads scripts
333 ===============
334 */
335 void Host_LoadConfig_f(void)
336 {
337         // reset all cvars, commands and aliases to init values
338         Cmd_RestoreInitState();
339         // prepend a menu restart command to execute after the config
340         Cbuf_InsertText("\nmenu_restart\n");
341         // reset cvars to their defaults, and then exec startup scripts again
342         Host_AddConfigText();
343 }
344
345 /*
346 =================
347 SV_ClientPrint
348
349 Sends text across to be displayed
350 FIXME: make this just a stuffed echo?
351 =================
352 */
353 void SV_ClientPrint(const char *msg)
354 {
355         if (host_client->netconnection)
356         {
357                 MSG_WriteByte(&host_client->netconnection->message, svc_print);
358                 MSG_WriteString(&host_client->netconnection->message, msg);
359         }
360 }
361
362 /*
363 =================
364 SV_ClientPrintf
365
366 Sends text across to be displayed
367 FIXME: make this just a stuffed echo?
368 =================
369 */
370 void SV_ClientPrintf(const char *fmt, ...)
371 {
372         va_list argptr;
373         char msg[MAX_INPUTLINE];
374
375         va_start(argptr,fmt);
376         dpvsnprintf(msg,sizeof(msg),fmt,argptr);
377         va_end(argptr);
378
379         SV_ClientPrint(msg);
380 }
381
382 /*
383 =================
384 SV_BroadcastPrint
385
386 Sends text to all active clients
387 =================
388 */
389 void SV_BroadcastPrint(const char *msg)
390 {
391         int i;
392         client_t *client;
393
394         for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
395         {
396                 if (client->active && client->netconnection)
397                 {
398                         MSG_WriteByte(&client->netconnection->message, svc_print);
399                         MSG_WriteString(&client->netconnection->message, msg);
400                 }
401         }
402
403         if (sv_echobprint.integer && cls.state == ca_dedicated)
404                 Con_Print(msg);
405 }
406
407 /*
408 =================
409 SV_BroadcastPrintf
410
411 Sends text to all active clients
412 =================
413 */
414 void SV_BroadcastPrintf(const char *fmt, ...)
415 {
416         va_list argptr;
417         char msg[MAX_INPUTLINE];
418
419         va_start(argptr,fmt);
420         dpvsnprintf(msg,sizeof(msg),fmt,argptr);
421         va_end(argptr);
422
423         SV_BroadcastPrint(msg);
424 }
425
426 /*
427 =================
428 Host_ClientCommands
429
430 Send text over to the client to be executed
431 =================
432 */
433 void Host_ClientCommands(const char *fmt, ...)
434 {
435         va_list argptr;
436         char string[MAX_INPUTLINE];
437
438         if (!host_client->netconnection)
439                 return;
440
441         va_start(argptr,fmt);
442         dpvsnprintf(string, sizeof(string), fmt, argptr);
443         va_end(argptr);
444
445         MSG_WriteByte(&host_client->netconnection->message, svc_stufftext);
446         MSG_WriteString(&host_client->netconnection->message, string);
447 }
448
449 /*
450 =====================
451 SV_DropClient
452
453 Called when the player is getting totally kicked off the host
454 if (crash = true), don't bother sending signofs
455 =====================
456 */
457 void SV_DropClient(qboolean crash)
458 {
459         prvm_prog_t *prog = SVVM_prog;
460         int i;
461         Con_Printf("Client \"%s\" dropped\n", host_client->name);
462
463         SV_StopDemoRecording(host_client);
464
465         // make sure edict is not corrupt (from a level change for example)
466         host_client->edict = PRVM_EDICT_NUM(host_client - svs.clients + 1);
467
468         if (host_client->netconnection)
469         {
470                 // tell the client to be gone
471                 if (!crash)
472                 {
473                         // LordHavoc: no opportunity for resending, so use unreliable 3 times
474                         unsigned char bufdata[8];
475                         sizebuf_t buf;
476                         memset(&buf, 0, sizeof(buf));
477                         buf.data = bufdata;
478                         buf.maxsize = sizeof(bufdata);
479                         MSG_WriteByte(&buf, svc_disconnect);
480                         NetConn_SendUnreliableMessage(host_client->netconnection, &buf, sv.protocol, 10000, 0, false);
481                         NetConn_SendUnreliableMessage(host_client->netconnection, &buf, sv.protocol, 10000, 0, false);
482                         NetConn_SendUnreliableMessage(host_client->netconnection, &buf, sv.protocol, 10000, 0, false);
483                 }
484         }
485
486         // call qc ClientDisconnect function
487         // LordHavoc: don't call QC if server is dead (avoids recursive
488         // Host_Error in some mods when they run out of edicts)
489         if (host_client->clientconnectcalled && sv.active && host_client->edict)
490         {
491                 // call the prog function for removing a client
492                 // this will set the body to a dead frame, among other things
493                 int saveSelf = PRVM_serverglobaledict(self);
494                 host_client->clientconnectcalled = false;
495                 PRVM_serverglobalfloat(time) = sv.time;
496                 PRVM_serverglobaledict(self) = PRVM_EDICT_TO_PROG(host_client->edict);
497                 prog->ExecuteProgram(prog, PRVM_serverfunction(ClientDisconnect), "QC function ClientDisconnect is missing");
498                 PRVM_serverglobaledict(self) = saveSelf;
499         }
500
501         if (host_client->netconnection)
502         {
503                 // break the net connection
504                 NetConn_Close(host_client->netconnection);
505                 host_client->netconnection = NULL;
506         }
507
508         // if a download is active, close it
509         if (host_client->download_file)
510         {
511                 Con_DPrintf("Download of %s aborted when %s dropped\n", host_client->download_name, host_client->name);
512                 FS_Close(host_client->download_file);
513                 host_client->download_file = NULL;
514                 host_client->download_name[0] = 0;
515                 host_client->download_expectedposition = 0;
516                 host_client->download_started = false;
517         }
518
519         // remove leaving player from scoreboard
520         host_client->name[0] = 0;
521         host_client->colors = 0;
522         host_client->frags = 0;
523         // send notification to all clients
524         // get number of client manually just to make sure we get it right...
525         i = host_client - svs.clients;
526         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
527         MSG_WriteByte (&sv.reliable_datagram, i);
528         MSG_WriteString (&sv.reliable_datagram, host_client->name);
529         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
530         MSG_WriteByte (&sv.reliable_datagram, i);
531         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
532         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
533         MSG_WriteByte (&sv.reliable_datagram, i);
534         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
535
536         // free the client now
537         if (host_client->entitydatabase)
538                 EntityFrame_FreeDatabase(host_client->entitydatabase);
539         if (host_client->entitydatabase4)
540                 EntityFrame4_FreeDatabase(host_client->entitydatabase4);
541         if (host_client->entitydatabase5)
542                 EntityFrame5_FreeDatabase(host_client->entitydatabase5);
543
544         if (sv.active)
545         {
546                 // clear a fields that matter to DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS, and also frags
547                 PRVM_ED_ClearEdict(prog, host_client->edict);
548         }
549
550         // clear the client struct (this sets active to false)
551         memset(host_client, 0, sizeof(*host_client));
552
553         // update server listing on the master because player count changed
554         // (which the master uses for filtering empty/full servers)
555         NetConn_Heartbeat(1);
556
557         if (sv.loadgame)
558         {
559                 for (i = 0;i < svs.maxclients;i++)
560                         if (svs.clients[i].active && !svs.clients[i].spawned)
561                                 break;
562                 if (i == svs.maxclients)
563                 {
564                         Con_Printf("Loaded game, everyone rejoined - unpausing\n");
565                         sv.paused = sv.loadgame = false; // we're basically done with loading now
566                 }
567         }
568 }
569
570 /*
571 ==================
572 Host_ShutdownServer
573
574 This only happens at the end of a game, not between levels
575 ==================
576 */
577 void Host_ShutdownServer(void)
578 {
579         prvm_prog_t *prog = SVVM_prog;
580         int i;
581
582         Con_DPrintf("Host_ShutdownServer\n");
583
584         if (!sv.active)
585                 return;
586
587         NetConn_Heartbeat(2);
588         NetConn_Heartbeat(2);
589
590 // make sure all the clients know we're disconnecting
591         World_End(&sv.world);
592         if(prog->loaded)
593         {
594                 if(PRVM_serverfunction(SV_Shutdown))
595                 {
596                         func_t s = PRVM_serverfunction(SV_Shutdown);
597                         PRVM_serverglobalfloat(time) = sv.time;
598                         PRVM_serverfunction(SV_Shutdown) = 0; // prevent it from getting called again
599                         prog->ExecuteProgram(prog, s,"SV_Shutdown() required");
600                 }
601         }
602         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
603                 if (host_client->active)
604                         SV_DropClient(false); // server shutdown
605
606         NetConn_CloseServerPorts();
607
608         sv.active = false;
609 //
610 // clear structures
611 //
612         memset(&sv, 0, sizeof(sv));
613         memset(svs.clients, 0, svs.maxclients*sizeof(client_t));
614
615         cl.islocalgame = false;
616 }
617
618
619 //============================================================================
620
621 /*
622 ===================
623 Host_GetConsoleCommands
624
625 Add them exactly as if they had been typed at the console
626 ===================
627 */
628 static void Host_GetConsoleCommands (void)
629 {
630         char *cmd;
631
632         while (1)
633         {
634                 cmd = Sys_ConsoleInput ();
635                 if (!cmd)
636                         break;
637                 Cbuf_AddText (cmd);
638         }
639 }
640
641 /*
642 ==================
643 Host_TimeReport
644
645 Returns a time report string, for example for
646 ==================
647 */
648 const char *Host_TimingReport(char *buf, size_t buflen)
649 {
650         return va(buf, buflen, "%.1f%% CPU, %.2f%% lost, offset avg %.1fms, max %.1fms, sdev %.1fms", svs.perf_cpuload * 100, svs.perf_lost * 100, svs.perf_offset_avg * 1000, svs.perf_offset_max * 1000, svs.perf_offset_sdev * 1000);
651 }
652
653 /*
654 ==================
655 Host_Frame
656
657 Runs all active servers
658 ==================
659 */
660 static void Host_Init(void);
661 void Host_Main(void)
662 {
663         double time1 = 0;
664         double time2 = 0;
665         double time3 = 0;
666         double cl_timer = 0, sv_timer = 0;
667         double clframetime, deltacleantime, olddirtytime, dirtytime;
668         double wait;
669         int pass1, pass2, pass3, i;
670         char vabuf[1024];
671         qboolean playing;
672
673         Host_Init();
674
675         realtime = 0;
676         for (;;)
677         {
678                 if (setjmp(host_abortframe))
679                 {
680                         SCR_ClearLoadingScreen(false);
681                         continue;                       // something bad happened, or the server disconnected
682                 }
683
684                 olddirtytime = host_dirtytime;
685                 dirtytime = Sys_DirtyTime();
686                 deltacleantime = dirtytime - olddirtytime;
687                 if (deltacleantime < 0)
688                 {
689                         // warn if it's significant
690                         if (deltacleantime < -0.01)
691                                 Con_Printf("Host_Mingled: time stepped backwards (went from %f to %f, difference %f)\n", olddirtytime, dirtytime, deltacleantime);
692                         deltacleantime = 0;
693                 }
694                 else if (deltacleantime >= 1800)
695                 {
696                         Con_Printf("Host_Mingled: time stepped forward (went from %f to %f, difference %f)\n", olddirtytime, dirtytime, deltacleantime);
697                         deltacleantime = 0;
698                 }
699                 realtime += deltacleantime;
700                 host_dirtytime = dirtytime;
701
702                 cl_timer += deltacleantime;
703                 sv_timer += deltacleantime;
704
705                 if (!svs.threaded)
706                 {
707                         svs.perf_acc_realtime += deltacleantime;
708
709                         // Look for clients who have spawned
710                         playing = false;
711                         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
712                                 if(host_client->begun)
713                                         if(host_client->netconnection)
714                                                 playing = true;
715                         if(sv.time < 10)
716                         {
717                                 // don't accumulate time for the first 10 seconds of a match
718                                 // so things can settle
719                                 svs.perf_acc_realtime = svs.perf_acc_sleeptime = svs.perf_acc_lost = svs.perf_acc_offset = svs.perf_acc_offset_squared = svs.perf_acc_offset_max = svs.perf_acc_offset_samples = 0;
720                         }
721                         else if(svs.perf_acc_realtime > 5)
722                         {
723                                 svs.perf_cpuload = 1 - svs.perf_acc_sleeptime / svs.perf_acc_realtime;
724                                 svs.perf_lost = svs.perf_acc_lost / svs.perf_acc_realtime;
725                                 if(svs.perf_acc_offset_samples > 0)
726                                 {
727                                         svs.perf_offset_max = svs.perf_acc_offset_max;
728                                         svs.perf_offset_avg = svs.perf_acc_offset / svs.perf_acc_offset_samples;
729                                         svs.perf_offset_sdev = sqrt(svs.perf_acc_offset_squared / svs.perf_acc_offset_samples - svs.perf_offset_avg * svs.perf_offset_avg);
730                                 }
731                                 if(svs.perf_lost > 0 && developer_extra.integer)
732                                         if(playing) // only complain if anyone is looking
733                                                 Con_DPrintf("Server can't keep up: %s\n", Host_TimingReport(vabuf, sizeof(vabuf)));
734                                 svs.perf_acc_realtime = svs.perf_acc_sleeptime = svs.perf_acc_lost = svs.perf_acc_offset = svs.perf_acc_offset_squared = svs.perf_acc_offset_max = svs.perf_acc_offset_samples = 0;
735                         }
736                 }
737
738                 if (slowmo.value < 0.00001 && slowmo.value != 0)
739                         Cvar_SetValue("slowmo", 0);
740                 if (host_framerate.value < 0.00001 && host_framerate.value != 0)
741                         Cvar_SetValue("host_framerate", 0);
742
743                 // keep the random time dependent, but not when playing demos/benchmarking
744                 if(!*sv_random_seed.string && !cls.demoplayback)
745                         rand();
746
747                 // get new key events
748                 Key_EventQueue_Unblock();
749                 SndSys_SendKeyEvents();
750                 Sys_SendKeyEvents();
751
752                 NetConn_UpdateSockets();
753
754                 Log_DestBuffer_Flush();
755
756                 // receive packets on each main loop iteration, as the main loop may
757                 // be undersleeping due to select() detecting a new packet
758                 if (sv.active && !svs.threaded)
759                         NetConn_ServerFrame();
760
761                 Curl_Run();
762
763                 // check for commands typed to the host
764                 Host_GetConsoleCommands();
765
766                 // when a server is running we only execute console commands on server frames
767                 // (this mainly allows frikbot .way config files to work properly by staying in sync with the server qc)
768                 // otherwise we execute them on client frames
769                 if (sv.active ? sv_timer > 0 : cl_timer > 0)
770                 {
771                         // process console commands
772 //                      R_TimeReport("preconsole");
773                         CL_VM_PreventInformationLeaks();
774                         Cbuf_Frame();
775 //                      R_TimeReport("console");
776                 }
777
778                 //Con_Printf("%6.0f %6.0f\n", cl_timer * 1000000.0, sv_timer * 1000000.0);
779
780                 // if the accumulators haven't become positive yet, wait a while
781                 if (cls.state == ca_dedicated)
782                         wait = sv_timer * -1000000.0;
783                 else if (!sv.active || svs.threaded)
784                         wait = cl_timer * -1000000.0;
785                 else
786                         wait = max(cl_timer, sv_timer) * -1000000.0;
787
788                 if (!cls.timedemo && wait >= 1)
789                 {
790                         double time0, delta;
791
792                         if(host_maxwait.value <= 0)
793                                 wait = min(wait, 1000000.0);
794                         else
795                                 wait = min(wait, host_maxwait.value * 1000.0);
796                         if(wait < 1)
797                                 wait = 1; // because we cast to int
798
799                         time0 = Sys_DirtyTime();
800                         if (sv_checkforpacketsduringsleep.integer && !sys_usenoclockbutbenchmark.integer && !svs.threaded)
801                                 NetConn_SleepMicroseconds((int)wait);
802                         else
803                                 Sys_Sleep((int)wait);
804                         delta = Sys_DirtyTime() - time0;
805                         if (delta < 0 || delta >= 1800) delta = 0;
806                         if (!svs.threaded)
807                                 svs.perf_acc_sleeptime += delta;
808 //                      R_TimeReport("sleep");
809                         continue;
810                 }
811
812                 // limit the frametime steps to no more than 100ms each
813                 if (cl_timer > 0.1)
814                         cl_timer = 0.1;
815                 if (sv_timer > 0.1)
816                 {
817                         if (!svs.threaded)
818                                 svs.perf_acc_lost += (sv_timer - 0.1);
819                         sv_timer = 0.1;
820                 }
821
822                 R_TimeReport("---");
823
824         //-------------------
825         //
826         // server operations
827         //
828         //-------------------
829
830                 // limit the frametime steps to no more than 100ms each
831                 if (sv.active && sv_timer > 0 && !svs.threaded)
832                 {
833                         // execute one or more server frames, with an upper limit on how much
834                         // execution time to spend on server frames to avoid freezing the game if
835                         // the server is overloaded, this execution time limit means the game will
836                         // slow down if the server is taking too long.
837                         int framecount, framelimit = 1;
838                         double advancetime, aborttime = 0;
839                         float offset;
840                         prvm_prog_t *prog = SVVM_prog;
841
842                         // run the world state
843                         // don't allow simulation to run too fast or too slow or logic glitches can occur
844
845                         // stop running server frames if the wall time reaches this value
846                         if (sys_ticrate.value <= 0)
847                                 advancetime = sv_timer;
848                         else if (cl.islocalgame && !sv_fixedframeratesingleplayer.integer)
849                         {
850                                 // synchronize to the client frametime, but no less than 10ms and no more than 100ms
851                                 advancetime = bound(0.01, cl_timer, 0.1);
852                         }
853                         else
854                         {
855                                 advancetime = sys_ticrate.value;
856                                 // listen servers can run multiple server frames per client frame
857                                 framelimit = cl_maxphysicsframesperserverframe.integer;
858                                 aborttime = Sys_DirtyTime() + 0.1;
859                         }
860                         if(slowmo.value > 0 && slowmo.value < 1)
861                                 advancetime = min(advancetime, 0.1 / slowmo.value);
862                         else
863                                 advancetime = min(advancetime, 0.1);
864
865                         if(advancetime > 0)
866                         {
867                                 offset = Sys_DirtyTime() - dirtytime;if (offset < 0 || offset >= 1800) offset = 0;
868                                 offset += sv_timer;
869                                 ++svs.perf_acc_offset_samples;
870                                 svs.perf_acc_offset += offset;
871                                 svs.perf_acc_offset_squared += offset * offset;
872                                 if(svs.perf_acc_offset_max < offset)
873                                         svs.perf_acc_offset_max = offset;
874                         }
875
876                         // only advance time if not paused
877                         // the game also pauses in singleplayer when menu or console is used
878                         sv.frametime = advancetime * slowmo.value;
879                         if (host_framerate.value)
880                                 sv.frametime = host_framerate.value;
881                         if (sv.paused || (cl.islocalgame && (key_dest != key_game || key_consoleactive || cl.csqc_paused)))
882                                 sv.frametime = 0;
883
884                         for (framecount = 0;framecount < framelimit && sv_timer > 0;framecount++)
885                         {
886                                 sv_timer -= advancetime;
887
888                                 // move things around and think unless paused
889                                 if (sv.frametime)
890                                         SV_Physics();
891
892                                 // if this server frame took too long, break out of the loop
893                                 if (framelimit > 1 && Sys_DirtyTime() >= aborttime)
894                                         break;
895                         }
896                         R_TimeReport("serverphysics");
897
898                         // send all messages to the clients
899                         SV_SendClientMessages();
900
901                         if (sv.paused == 1 && realtime > sv.pausedstart && sv.pausedstart > 0) {
902                                 prog->globals.fp[OFS_PARM0] = realtime - sv.pausedstart;
903                                 PRVM_serverglobalfloat(time) = sv.time;
904                                 prog->ExecuteProgram(prog, PRVM_serverfunction(SV_PausedTic), "QC function SV_PausedTic is missing");
905                         }
906
907                         // send an heartbeat if enough time has passed since the last one
908                         NetConn_Heartbeat(0);
909                         R_TimeReport("servernetwork");
910                 }
911                 else if (!svs.threaded)
912                 {
913                         // don't let r_speeds display jump around
914                         R_TimeReport("serverphysics");
915                         R_TimeReport("servernetwork");
916                 }
917
918         //-------------------
919         //
920         // client operations
921         //
922         //-------------------
923
924                 if (cls.state != ca_dedicated && (cl_timer > 0 || cls.timedemo || ((vid_activewindow ? cl_maxfps : cl_maxidlefps).value < 1)))
925                 {
926                         R_TimeReport("---");
927                         Collision_Cache_NewFrame();
928                         R_TimeReport("photoncache");
929                         // decide the simulation time
930                         if (cls.capturevideo.active)
931                         {
932                                 //***
933                                 if (cls.capturevideo.realtime)
934                                         clframetime = cl.realframetime = max(cl_timer, 1.0 / cls.capturevideo.framerate);
935                                 else
936                                 {
937                                         clframetime = 1.0 / cls.capturevideo.framerate;
938                                         cl.realframetime = max(cl_timer, clframetime);
939                                 }
940                         }
941                         else if (vid_activewindow && cl_maxfps.value >= 1 && !cls.timedemo)
942                         {
943                                 clframetime = cl.realframetime = max(cl_timer, 1.0 / cl_maxfps.value);
944                                 // when running slow, we need to sleep to keep input responsive
945                                 wait = bound(0, cl_maxfps_alwayssleep.value * 1000, 100000);
946                                 if (wait > 0)
947                                         Sys_Sleep((int)wait);
948                         }
949                         else if (!vid_activewindow && cl_maxidlefps.value >= 1 && !cls.timedemo)
950                                 clframetime = cl.realframetime = max(cl_timer, 1.0 / cl_maxidlefps.value);
951                         else
952                                 clframetime = cl.realframetime = cl_timer;
953
954                         // apply slowmo scaling
955                         clframetime *= cl.movevars_timescale;
956                         // scale playback speed of demos by slowmo cvar
957                         if (cls.demoplayback)
958                         {
959                                 clframetime *= slowmo.value;
960                                 // if demo playback is paused, don't advance time at all
961                                 if (cls.demopaused)
962                                         clframetime = 0;
963                         }
964                         else
965                         {
966                                 // host_framerate overrides all else
967                                 if (host_framerate.value)
968                                         clframetime = host_framerate.value;
969
970                                 if (cl.paused || (cl.islocalgame && (key_dest != key_game || key_consoleactive || cl.csqc_paused)))
971                                         clframetime = 0;
972                         }
973
974                         if (cls.timedemo)
975                                 clframetime = cl.realframetime = cl_timer;
976
977                         // deduct the frame time from the accumulator
978                         cl_timer -= cl.realframetime;
979
980                         cl.oldtime = cl.time;
981                         cl.time += clframetime;
982
983                         // update video
984                         if (host_speeds.integer)
985                                 time1 = Sys_DirtyTime();
986                         R_TimeReport("pre-input");
987
988                         // Collect input into cmd
989                         CL_Input();
990
991                         R_TimeReport("input");
992
993                         // check for new packets
994                         NetConn_ClientFrame();
995
996                         // read a new frame from a demo if needed
997                         CL_ReadDemoMessage();
998                         R_TimeReport("clientnetwork");
999
1000                         // now that packets have been read, send input to server
1001                         CL_SendMove();
1002                         R_TimeReport("sendmove");
1003
1004                         // update client world (interpolate entities, create trails, etc)
1005                         CL_UpdateWorld();
1006                         R_TimeReport("lerpworld");
1007
1008                         CL_Video_Frame();
1009
1010                         R_TimeReport("client");
1011
1012                         CL_UpdateScreen();
1013                         R_TimeReport("render");
1014
1015                         if (host_speeds.integer)
1016                                 time2 = Sys_DirtyTime();
1017
1018                         // update audio
1019                         if(cl.csqc_usecsqclistener)
1020                         {
1021                                 S_Update(&cl.csqc_listenermatrix);
1022                                 cl.csqc_usecsqclistener = false;
1023                         }
1024                         else
1025                                 S_Update(&r_refdef.view.matrix);
1026
1027                         CDAudio_Update();
1028                         R_TimeReport("audio");
1029
1030                         // reset gathering of mouse input
1031                         in_mouse_x = in_mouse_y = 0;
1032
1033                         if (host_speeds.integer)
1034                         {
1035                                 pass1 = (int)((time1 - time3)*1000000);
1036                                 time3 = Sys_DirtyTime();
1037                                 pass2 = (int)((time2 - time1)*1000000);
1038                                 pass3 = (int)((time3 - time2)*1000000);
1039                                 Con_Printf("%6ius total %6ius server %6ius gfx %6ius snd\n",
1040                                                         pass1+pass2+pass3, pass1, pass2, pass3);
1041                         }
1042                 }
1043
1044 #if MEMPARANOIA
1045                 Mem_CheckSentinelsGlobal();
1046 #else
1047                 if (developer_memorydebug.integer)
1048                         Mem_CheckSentinelsGlobal();
1049 #endif
1050
1051                 // if there is some time remaining from this frame, reset the timers
1052                 if (cl_timer >= 0)
1053                         cl_timer = 0;
1054                 if (sv_timer >= 0)
1055                 {
1056                         if (!svs.threaded)
1057                                 svs.perf_acc_lost += sv_timer;
1058                         sv_timer = 0;
1059                 }
1060
1061                 host_framecount++;
1062         }
1063 }
1064
1065 //============================================================================
1066
1067 qboolean vid_opened = false;
1068 void Host_StartVideo(void)
1069 {
1070         if (!vid_opened && cls.state != ca_dedicated)
1071         {
1072                 vid_opened = true;
1073                 // make sure we open sockets before opening video because the Windows Firewall "unblock?" dialog can screw up the graphics context on some graphics drivers
1074                 NetConn_UpdateSockets();
1075                 VID_Start();
1076                 CDAudio_Startup();
1077         }
1078 }
1079
1080 char engineversion[128];
1081
1082 qboolean sys_nostdout = false;
1083
1084 extern qboolean host_stuffcmdsrun;
1085
1086 static qfile_t *locksession_fh = NULL;
1087 static qboolean locksession_run = false;
1088 static void Host_InitSession(void)
1089 {
1090         int i;
1091         Cvar_RegisterVariable(&sessionid);
1092         Cvar_RegisterVariable(&locksession);
1093
1094         // load the session ID into the read-only cvar
1095         if ((i = COM_CheckParm("-sessionid")) && (i + 1 < com_argc))
1096         {
1097                 char vabuf[1024];
1098                 if(com_argv[i+1][0] == '.')
1099                         Cvar_SetQuick(&sessionid, com_argv[i+1]);
1100                 else
1101                         Cvar_SetQuick(&sessionid, va(vabuf, sizeof(vabuf), ".%s", com_argv[i+1]));
1102         }
1103 }
1104 void Host_LockSession(void)
1105 {
1106         if(locksession_run)
1107                 return;
1108         locksession_run = true;
1109         if(locksession.integer != 0 && !COM_CheckParm("-readonly"))
1110         {
1111                 char vabuf[1024];
1112                 char *p = va(vabuf, sizeof(vabuf), "%slock%s", *fs_userdir ? fs_userdir : fs_basedir, sessionid.string);
1113                 FS_CreatePath(p);
1114                 locksession_fh = FS_SysOpen(p, "wl", false);
1115                 // TODO maybe write the pid into the lockfile, while we are at it? may help server management tools
1116                 if(!locksession_fh)
1117                 {
1118                         if(locksession.integer == 2)
1119                         {
1120                                 Con_Printf("WARNING: session lock %s could not be acquired. Please run with -sessionid and an unique session name. Continuing anyway.\n", p);
1121                         }
1122                         else
1123                         {
1124                                 Sys_Error("session lock %s could not be acquired. Please run with -sessionid and an unique session name.\n", p);
1125                         }
1126                 }
1127         }
1128 }
1129 void Host_UnlockSession(void)
1130 {
1131         if(!locksession_run)
1132                 return;
1133         locksession_run = false;
1134
1135         if(locksession_fh)
1136         {
1137                 FS_Close(locksession_fh);
1138                 // NOTE: we can NOT unlink the lock here, as doing so would
1139                 // create a race condition if another process created it
1140                 // between our close and our unlink
1141                 locksession_fh = NULL;
1142         }
1143 }
1144
1145 /*
1146 ====================
1147 Host_Init
1148 ====================
1149 */
1150 static void Host_Init (void)
1151 {
1152         int i;
1153         const char* os;
1154         char vabuf[1024];
1155
1156         if (COM_CheckParm("-profilegameonly"))
1157                 Sys_AllowProfiling(false);
1158
1159         // LordHavoc: quake never seeded the random number generator before... heh
1160         if (COM_CheckParm("-benchmark"))
1161                 srand(0); // predictable random sequence for -benchmark
1162         else
1163                 srand((unsigned int)time(NULL));
1164
1165         // FIXME: this is evil, but possibly temporary
1166         // LordHavoc: doesn't seem very temporary...
1167         // LordHavoc: made this a saved cvar
1168 // COMMANDLINEOPTION: Console: -developer enables warnings and other notices (RECOMMENDED for mod developers)
1169         if (COM_CheckParm("-developer"))
1170         {
1171                 developer.value = developer.integer = 1;
1172                 developer.string = "1";
1173         }
1174
1175         if (COM_CheckParm("-developer2") || COM_CheckParm("-developer3"))
1176         {
1177                 developer.value = developer.integer = 1;
1178                 developer.string = "1";
1179                 developer_extra.value = developer_extra.integer = 1;
1180                 developer_extra.string = "1";
1181                 developer_insane.value = developer_insane.integer = 1;
1182                 developer_insane.string = "1";
1183                 developer_memory.value = developer_memory.integer = 1;
1184                 developer_memory.string = "1";
1185                 developer_memorydebug.value = developer_memorydebug.integer = 1;
1186                 developer_memorydebug.string = "1";
1187         }
1188
1189         if (COM_CheckParm("-developer3"))
1190         {
1191                 gl_paranoid.integer = 1;gl_paranoid.string = "1";
1192                 gl_printcheckerror.integer = 1;gl_printcheckerror.string = "1";
1193         }
1194
1195 // COMMANDLINEOPTION: Console: -nostdout disables text output to the terminal the game was launched from
1196         if (COM_CheckParm("-nostdout"))
1197                 sys_nostdout = 1;
1198
1199         // used by everything
1200         Memory_Init();
1201
1202         // initialize console command/cvar/alias/command execution systems
1203         Cmd_Init();
1204
1205         // initialize memory subsystem cvars/commands
1206         Memory_Init_Commands();
1207
1208         // initialize console and logging and its cvars/commands
1209         Con_Init();
1210
1211         // initialize various cvars that could not be initialized earlier
1212         u8_Init();
1213         Curl_Init_Commands();
1214         Cmd_Init_Commands();
1215         Sys_Init_Commands();
1216         COM_Init_Commands();
1217         FS_Init_Commands();
1218
1219         // initialize console window (only used by sys_win.c)
1220         Sys_InitConsole();
1221
1222         // initialize the self-pack (must be before COM_InitGameType as it may add command line options)
1223         FS_Init_SelfPack();
1224
1225         // detect gamemode from commandline options or executable name
1226         COM_InitGameType();
1227
1228         // construct a version string for the corner of the console
1229         os = DP_OS_NAME;
1230         dpsnprintf (engineversion, sizeof (engineversion), "%s %s %s", gamename, os, buildstring);
1231         Con_Printf("%s\n", engineversion);
1232
1233         // initialize process nice level
1234         Sys_InitProcessNice();
1235
1236         // initialize ixtable
1237         Mathlib_Init();
1238
1239         // initialize filesystem (including fs_basedir, fs_gamedir, -game, scr_screenshot_name)
1240         FS_Init();
1241
1242         // register the cvars for session locking
1243         Host_InitSession();
1244
1245         // must be after FS_Init
1246         Crypto_Init();
1247         Crypto_Init_Commands();
1248
1249         NetConn_Init();
1250         Curl_Init();
1251         //PR_Init();
1252         //PR_Cmd_Init();
1253         PRVM_Init();
1254         Mod_Init();
1255         World_Init();
1256         SV_Init();
1257         V_Init(); // some cvars needed by server player physics (cl_rollangle etc)
1258         Host_InitCommands();
1259         Host_InitLocal();
1260         Host_ServerOptions();
1261
1262         Thread_Init();
1263
1264         if (cls.state == ca_dedicated)
1265                 Cmd_AddCommand ("disconnect", CL_Disconnect_f, "disconnect from server (or disconnect all clients if running a server)");
1266         else
1267         {
1268                 Con_DPrintf("Initializing client\n");
1269
1270                 R_Modules_Init();
1271                 Palette_Init();
1272                 MR_Init_Commands();
1273                 VID_Shared_Init();
1274                 VID_Init();
1275                 Render_Init();
1276                 S_Init();
1277                 CDAudio_Init();
1278                 Key_Init();
1279                 CL_Init();
1280         }
1281
1282         // save off current state of aliases, commands and cvars for later restore if FS_GameDir_f is called
1283         // NOTE: menu commands are freed by Cmd_RestoreInitState
1284         Cmd_SaveInitState();
1285
1286         // FIXME: put this into some neat design, but the menu should be allowed to crash
1287         // without crashing the whole game, so this should just be a short-time solution
1288
1289         // here comes the not so critical stuff
1290         if (setjmp(host_abortframe)) {
1291                 return;
1292         }
1293
1294         Host_AddConfigText();
1295         Cbuf_Execute();
1296
1297         // if stuffcmds wasn't run, then quake.rc is probably missing, use default
1298         if (!host_stuffcmdsrun)
1299         {
1300                 Cbuf_AddText("exec default.cfg\nexec " CONFIGFILENAME "\nexec autoexec.cfg\nstuffcmds\n");
1301                 Cbuf_Execute();
1302         }
1303
1304         // put up the loading image so the user doesn't stare at a black screen...
1305         SCR_BeginLoadingPlaque(true);
1306
1307         if (cls.state != ca_dedicated)
1308         {
1309                 MR_Init();
1310         }
1311
1312         // check for special benchmark mode
1313 // COMMANDLINEOPTION: Client: -benchmark <demoname> runs a timedemo and quits, results of any timedemo can be found in gamedir/benchmark.log (for example id1/benchmark.log)
1314         i = COM_CheckParm("-benchmark");
1315         if (i && i + 1 < com_argc)
1316         if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1317         {
1318                 Cbuf_AddText(va(vabuf, sizeof(vabuf), "timedemo %s\n", com_argv[i + 1]));
1319                 Cbuf_Execute();
1320         }
1321
1322         // check for special demo mode
1323 // COMMANDLINEOPTION: Client: -demo <demoname> runs a playdemo and quits
1324         i = COM_CheckParm("-demo");
1325         if (i && i + 1 < com_argc)
1326         if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1327         {
1328                 Cbuf_AddText(va(vabuf, sizeof(vabuf), "playdemo %s\n", com_argv[i + 1]));
1329                 Cbuf_Execute();
1330         }
1331
1332 // COMMANDLINEOPTION: Client: -capturedemo <demoname> captures a playdemo and quits
1333         i = COM_CheckParm("-capturedemo");
1334         if (i && i + 1 < com_argc)
1335         if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1336         {
1337                 Cbuf_AddText(va(vabuf, sizeof(vabuf), "playdemo %s\ncl_capturevideo 1\n", com_argv[i + 1]));
1338                 Cbuf_Execute();
1339         }
1340
1341         if (cls.state == ca_dedicated || COM_CheckParm("-listen"))
1342         if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1343         {
1344                 Cbuf_AddText("startmap_dm\n");
1345                 Cbuf_Execute();
1346         }
1347
1348         if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1349         {
1350                 Cbuf_AddText("togglemenu 1\n");
1351                 Cbuf_Execute();
1352         }
1353
1354         Con_DPrint("========Initialized=========\n");
1355
1356         //Host_StartVideo();
1357
1358         if (cls.state != ca_dedicated)
1359                 SV_StartThread();
1360 }
1361
1362
1363 /*
1364 ===============
1365 Host_Shutdown
1366
1367 FIXME: this is a callback from Sys_Quit and Sys_Error.  It would be better
1368 to run quit through here before the final handoff to the sys code.
1369 ===============
1370 */
1371 void Host_Shutdown(void)
1372 {
1373         static qboolean isdown = false;
1374
1375         if (isdown)
1376         {
1377                 Con_Print("recursive shutdown\n");
1378                 return;
1379         }
1380         if (setjmp(host_abortframe))
1381         {
1382                 Con_Print("aborted the quitting frame?!?\n");
1383                 return;
1384         }
1385         isdown = true;
1386
1387         // be quiet while shutting down
1388         S_StopAllSounds();
1389
1390         // end the server thread
1391         if (svs.threaded)
1392                 SV_StopThread();
1393
1394         // disconnect client from server if active
1395         CL_Disconnect();
1396
1397         // shut down local server if active
1398         SV_LockThreadMutex();
1399         Host_ShutdownServer ();
1400         SV_UnlockThreadMutex();
1401
1402         // Shutdown menu
1403         if(MR_Shutdown)
1404                 MR_Shutdown();
1405
1406         // AK shutdown PRVM
1407         // AK hmm, no PRVM_Shutdown(); yet
1408
1409         CL_Video_Shutdown();
1410
1411         Host_SaveConfig();
1412
1413         CDAudio_Shutdown ();
1414         S_Terminate ();
1415         Curl_Shutdown ();
1416         NetConn_Shutdown ();
1417         //PR_Shutdown ();
1418
1419         if (cls.state != ca_dedicated)
1420         {
1421                 R_Modules_Shutdown();
1422                 VID_Shutdown();
1423         }
1424
1425         SV_StopThread();
1426         Thread_Shutdown();
1427         Cmd_Shutdown();
1428         Key_Shutdown();
1429         CL_Shutdown();
1430         Sys_Shutdown();
1431         Log_Close();
1432         Crypto_Shutdown();
1433
1434         Host_UnlockSession();
1435
1436         S_Shutdown();
1437         Con_Shutdown();
1438         Memory_Shutdown();
1439 }
1440