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", "0.2", "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_qualitypower = {CVAR_SAVE, "cl_minfps_qualitypower", "4", "raises quality value to a power of itself, higher values make quality drop more sharply in relation to framerate"};
  73 cvar_t cl_minfps_qualityscale = {CVAR_SAVE, "cl_minfps_qualityscale", "0.5", "multiplier for quality"};
  74 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)"};
  75 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"};
  76 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"};
  77
  78 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"};
  79 cvar_t developer_extra = {0, "developer_extra", "0", "prints additional debugging messages, often very verbose!"};
  80 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!"};
  81 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)"};
  82 cvar_t developer_loading = {0, "developer_loading","0", "prints information about files as they are loaded or unloaded successfully"};
  83 cvar_t developer_entityparsing = {0, "developer_entityparsing", "0", "prints detailed network entities information each time a packet is received"};
  84
  85 cvar_t timestamps = {CVAR_SAVE, "timestamps", "0", "prints timestamps on console messages"};
  86 cvar_t timeformat = {CVAR_SAVE, "timeformat", "[%Y-%m-%d %H:%M:%S] ", "time format to use on timestamped console messages"};
  87
  88 /*
  89 ================
  90 Host_AbortCurrentFrame
  91
  92 aborts the current host frame and goes on with the next one
  93 ================
  94 */
  95 void Host_AbortCurrentFrame(void)
  96 {
  97         // in case we were previously nice, make us mean again
  98         Sys_MakeProcessMean();
  99
 100         longjmp (host_abortframe, 1);
 101 }
 102
 103 /*
 104 ================
 105 Host_Error
 106
 107 This shuts down both the client and server
 108 ================
 109 */
 110 void Host_Error (const char *error, ...)
 111 {
 112         static char hosterrorstring1[MAX_INPUTLINE]; // THREAD UNSAFE
 113         static char hosterrorstring2[MAX_INPUTLINE]; // THREAD UNSAFE
 114         static qboolean hosterror = false;
 115         va_list argptr;
 116
 117         // turn off rcon redirect if it was active when the crash occurred
 118         // to prevent loops when it is a networking problem
 119         Con_Rcon_Redirect_Abort();
 120
 121         va_start (argptr,error);
 122         dpvsnprintf (hosterrorstring1,sizeof(hosterrorstring1),error,argptr);
 123         va_end (argptr);
 124
 125         Con_Printf("Host_Error: %s\n", hosterrorstring1);
 126
 127         // LordHavoc: if crashing very early, or currently shutting down, do
 128         // Sys_Error instead
 129         if (host_framecount < 3 || host_shuttingdown)
 130                 Sys_Error ("Host_Error: %s", hosterrorstring1);
 131
 132         if (hosterror)
 133                 Sys_Error ("Host_Error: recursively entered (original error was: %s    new error is: %s)", hosterrorstring2, hosterrorstring1);
 134         hosterror = true;
 135
 136         strlcpy(hosterrorstring2, hosterrorstring1, sizeof(hosterrorstring2));
 137
 138         CL_Parse_DumpPacket();
 139
 140         CL_Parse_ErrorCleanUp();
 141
 142         //PR_Crash();
 143
 144         // print out where the crash happened, if it was caused by QC (and do a cleanup)
 145         PRVM_Crash(SVVM_prog);
 146         PRVM_Crash(CLVM_prog);
 147         PRVM_Crash(MVM_prog);
 148
 149         cl.csqc_loaded = false;
 150         Cvar_SetValueQuick(&csqc_progcrc, -1);
 151         Cvar_SetValueQuick(&csqc_progsize, -1);
 152
 153         SV_LockThreadMutex();
 154         Host_ShutdownServer ();
 155         SV_UnlockThreadMutex();
 156
 157         if (cls.state == ca_dedicated)
 158                 Sys_Error ("Host_Error: %s",hosterrorstring2);  // dedicated servers exit
 159
 160         CL_Disconnect ();
 161         cls.demonum = -1;
 162
 163         hosterror = false;
 164
 165         Host_AbortCurrentFrame();
 166 }
 167
 168 static void Host_ServerOptions (void)
 169 {
 170         int i;
 171
 172         // general default
 173         svs.maxclients = 8;
 174
 175 // COMMANDLINEOPTION: Server: -dedicated [playerlimit] starts a dedicated server (with a command console), default playerlimit is 8
 176 // COMMANDLINEOPTION: Server: -listen [playerlimit] starts a multiplayer server with graphical client, like singleplayer but other players can connect, default playerlimit is 8
 177         // if no client is in the executable or -dedicated is specified on
 178         // commandline, start a dedicated server
 179         i = COM_CheckParm ("-dedicated");
 180         if (i || !cl_available)
 181         {
 182                 cls.state = ca_dedicated;
 183                 // check for -dedicated specifying how many players
 184                 if (i && i + 1 < com_argc && atoi (com_argv[i+1]) >= 1)
 185                         svs.maxclients = atoi (com_argv[i+1]);
 186                 if (COM_CheckParm ("-listen"))
 187                         Con_Printf ("Only one of -dedicated or -listen can be specified\n");
 188                 // default sv_public on for dedicated servers (often hosted by serious administrators), off for listen servers (often hosted by clueless users)
 189                 Cvar_SetValue("sv_public", 1);
 190         }
 191         else if (cl_available)
 192         {
 193                 // client exists and not dedicated, check if -listen is specified
 194                 cls.state = ca_disconnected;
 195                 i = COM_CheckParm ("-listen");
 196                 if (i)
 197                 {
 198                         // default players unless specified
 199                         if (i + 1 < com_argc && atoi (com_argv[i+1]) >= 1)
 200                                 svs.maxclients = atoi (com_argv[i+1]);
 201                 }
 202                 else
 203                 {
 204                         // default players in some games, singleplayer in most
 205                         if (gamemode != GAME_GOODVSBAD2 && gamemode != GAME_NEXUIZ && gamemode != GAME_XONOTIC && gamemode != GAME_BATTLEMECH)
 206                                 svs.maxclients = 1;
 207                 }
 208         }
 209
 210         svs.maxclients = svs.maxclients_next = bound(1, svs.maxclients, MAX_SCOREBOARD);
 211
 212         svs.clients = (client_t *)Mem_Alloc(sv_mempool, sizeof(client_t) * svs.maxclients);
 213
 214         if (svs.maxclients > 1 && !deathmatch.integer && !coop.integer)
 215                 Cvar_SetValueQuick(&deathmatch, 1);
 216 }
 217
 218 /*
 219 =======================
 220 Host_InitLocal
 221 ======================
 222 */
 223 void Host_SaveConfig_f(void);
 224 void Host_LoadConfig_f(void);
 225 extern cvar_t sv_writepicture_quality;
 226 extern cvar_t r_texture_jpeg_fastpicmip;
 227 static void Host_InitLocal (void)
 228 {
 229         Cmd_AddCommand("saveconfig", Host_SaveConfig_f, "save settings to config.cfg (or a specified filename) immediately (also automatic when quitting)");
 230         Cmd_AddCommand("loadconfig", Host_LoadConfig_f, "reset everything and reload configs");
 231
 232         Cvar_RegisterVariable (&cl_maxphysicsframesperserverframe);
 233         Cvar_RegisterVariable (&host_framerate);
 234         Cvar_RegisterVariable (&host_speeds);
 235         Cvar_RegisterVariable (&host_maxwait);
 236         Cvar_RegisterVariable (&cl_minfps);
 237         Cvar_RegisterVariable (&cl_minfps_fade);
 238         Cvar_RegisterVariable (&cl_minfps_qualitymax);
 239         Cvar_RegisterVariable (&cl_minfps_qualitymin);
 240         Cvar_RegisterVariable (&cl_minfps_qualitypower);
 241         Cvar_RegisterVariable (&cl_minfps_qualityscale);
 242         Cvar_RegisterVariable (&cl_maxfps);
 243         Cvar_RegisterVariable (&cl_maxfps_alwayssleep);
 244         Cvar_RegisterVariable (&cl_maxidlefps);
 245
 246         Cvar_RegisterVariable (&developer);
 247         Cvar_RegisterVariable (&developer_extra);
 248         Cvar_RegisterVariable (&developer_insane);
 249         Cvar_RegisterVariable (&developer_loadfile);
 250         Cvar_RegisterVariable (&developer_loading);
 251         Cvar_RegisterVariable (&developer_entityparsing);
 252
 253         Cvar_RegisterVariable (&timestamps);
 254         Cvar_RegisterVariable (&timeformat);
 255
 256         Cvar_RegisterVariable (&sv_writepicture_quality);
 257         Cvar_RegisterVariable (&r_texture_jpeg_fastpicmip);
 258 }
 259
 260
 261 /*
 262 ===============
 263 Host_SaveConfig_f
 264
 265 Writes key bindings and archived cvars to config.cfg
 266 ===============
 267 */
 268 static void Host_SaveConfig_to(const char *file)
 269 {
 270         qfile_t *f;
 271
 272 // dedicated servers initialize the host but don't parse and set the
 273 // config.cfg cvars
 274         // LordHavoc: don't save a config if it crashed in startup
 275         if (host_framecount >= 3 && cls.state != ca_dedicated && !COM_CheckParm("-benchmark") && !COM_CheckParm("-capturedemo"))
 276         {
 277                 f = FS_OpenRealFile(file, "wb", false);
 278                 if (!f)
 279                 {
 280                         Con_Printf("Couldn't write %s.\n", file);
 281                         return;
 282                 }
 283
 284                 Key_WriteBindings (f);
 285                 Cvar_WriteVariables (f);
 286
 287                 FS_Close (f);
 288         }
 289 }
 290 void Host_SaveConfig(void)
 291 {
 292         Host_SaveConfig_to(CONFIGFILENAME);
 293 }
 294 void Host_SaveConfig_f(void)
 295 {
 296         const char *file = CONFIGFILENAME;
 297
 298         if(Cmd_Argc() >= 2) {
 299                 file = Cmd_Argv(1);
 300                 Con_Printf("Saving to %s\n", file);
 301         }
 302
 303         Host_SaveConfig_to(file);
 304 }
 305
 306 static void Host_AddConfigText(void)
 307 {
 308         // set up the default startmap_sp and startmap_dm aliases (mods can
 309         // override these) and then execute the quake.rc startup script
 310         if (gamemode == GAME_NEHAHRA)
 311                 Cbuf_InsertText("alias startmap_sp \"map nehstart\"\nalias startmap_dm \"map nehstart\"\nexec " STARTCONFIGFILENAME "\n");
 312         else if (gamemode == GAME_TRANSFUSION)
 313                 Cbuf_InsertText("alias startmap_sp \"map e1m1\"\n""alias startmap_dm \"map bb1\"\nexec " STARTCONFIGFILENAME "\n");
 314         else if (gamemode == GAME_TEU)
 315                 Cbuf_InsertText("alias startmap_sp \"map start\"\nalias startmap_dm \"map start\"\nexec teu.rc\n");
 316         else
 317                 Cbuf_InsertText("alias startmap_sp \"map start\"\nalias startmap_dm \"map start\"\nexec " STARTCONFIGFILENAME "\n");
 318 }
 319
 320 /*
 321 ===============
 322 Host_LoadConfig_f
 323
 324 Resets key bindings and cvars to defaults and then reloads scripts
 325 ===============
 326 */
 327 void Host_LoadConfig_f(void)
 328 {
 329         // reset all cvars, commands and aliases to init values
 330         Cmd_RestoreInitState();
 331         // prepend a menu restart command to execute after the config
 332         Cbuf_InsertText("\nmenu_restart\n");
 333         // reset cvars to their defaults, and then exec startup scripts again
 334         Host_AddConfigText();
 335 }
 336
 337 /*
 338 =================
 339 SV_ClientPrint
 340
 341 Sends text across to be displayed
 342 FIXME: make this just a stuffed echo?
 343 =================
 344 */
 345 void SV_ClientPrint(const char *msg)
 346 {
 347         if (host_client->netconnection)
 348         {
 349                 MSG_WriteByte(&host_client->netconnection->message, svc_print);
 350                 MSG_WriteString(&host_client->netconnection->message, msg);
 351         }
 352 }
 353
 354 /*
 355 =================
 356 SV_ClientPrintf
 357
 358 Sends text across to be displayed
 359 FIXME: make this just a stuffed echo?
 360 =================
 361 */
 362 void SV_ClientPrintf(const char *fmt, ...)
 363 {
 364         va_list argptr;
 365         char msg[MAX_INPUTLINE];
 366
 367         va_start(argptr,fmt);
 368         dpvsnprintf(msg,sizeof(msg),fmt,argptr);
 369         va_end(argptr);
 370
 371         SV_ClientPrint(msg);
 372 }
 373
 374 /*
 375 =================
 376 SV_BroadcastPrint
 377
 378 Sends text to all active clients
 379 =================
 380 */
 381 void SV_BroadcastPrint(const char *msg)
 382 {
 383         int i;
 384         client_t *client;
 385
 386         for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
 387         {
 388                 if (client->active && client->netconnection)
 389                 {
 390                         MSG_WriteByte(&client->netconnection->message, svc_print);
 391                         MSG_WriteString(&client->netconnection->message, msg);
 392                 }
 393         }
 394
 395         if (sv_echobprint.integer && cls.state == ca_dedicated)
 396                 Con_Print(msg);
 397 }
 398
 399 /*
 400 =================
 401 SV_BroadcastPrintf
 402
 403 Sends text to all active clients
 404 =================
 405 */
 406 void SV_BroadcastPrintf(const char *fmt, ...)
 407 {
 408         va_list argptr;
 409         char msg[MAX_INPUTLINE];
 410
 411         va_start(argptr,fmt);
 412         dpvsnprintf(msg,sizeof(msg),fmt,argptr);
 413         va_end(argptr);
 414
 415         SV_BroadcastPrint(msg);
 416 }
 417
 418 /*
 419 =================
 420 Host_ClientCommands
 421
 422 Send text over to the client to be executed
 423 =================
 424 */
 425 void Host_ClientCommands(const char *fmt, ...)
 426 {
 427         va_list argptr;
 428         char string[MAX_INPUTLINE];
 429
 430         if (!host_client->netconnection)
 431                 return;
 432
 433         va_start(argptr,fmt);
 434         dpvsnprintf(string, sizeof(string), fmt, argptr);
 435         va_end(argptr);
 436
 437         MSG_WriteByte(&host_client->netconnection->message, svc_stufftext);
 438         MSG_WriteString(&host_client->netconnection->message, string);
 439 }
 440
 441 /*
 442 =====================
 443 SV_DropClient
 444
 445 Called when the player is getting totally kicked off the host
 446 if (crash = true), don't bother sending signofs
 447 =====================
 448 */
 449 void SV_DropClient(qboolean crash)
 450 {
 451         prvm_prog_t *prog = SVVM_prog;
 452         int i;
 453         Con_Printf("Client \"%s\" dropped\n", host_client->name);
 454
 455         SV_StopDemoRecording(host_client);
 456
 457         // make sure edict is not corrupt (from a level change for example)
 458         host_client->edict = PRVM_EDICT_NUM(host_client - svs.clients + 1);
 459
 460         if (host_client->netconnection)
 461         {
 462                 // tell the client to be gone
 463                 if (!crash)
 464                 {
 465                         // LordHavoc: no opportunity for resending, so use unreliable 3 times
 466                         unsigned char bufdata[8];
 467                         sizebuf_t buf;
 468                         memset(&buf, 0, sizeof(buf));
 469                         buf.data = bufdata;
 470                         buf.maxsize = sizeof(bufdata);
 471                         MSG_WriteByte(&buf, svc_disconnect);
 472                         NetConn_SendUnreliableMessage(host_client->netconnection, &buf, sv.protocol, 10000, false);
 473                         NetConn_SendUnreliableMessage(host_client->netconnection, &buf, sv.protocol, 10000, false);
 474                         NetConn_SendUnreliableMessage(host_client->netconnection, &buf, sv.protocol, 10000, false);
 475                 }
 476         }
 477
 478         // call qc ClientDisconnect function
 479         // LordHavoc: don't call QC if server is dead (avoids recursive
 480         // Host_Error in some mods when they run out of edicts)
 481         if (host_client->clientconnectcalled && sv.active && host_client->edict)
 482         {
 483                 // call the prog function for removing a client
 484                 // this will set the body to a dead frame, among other things
 485                 int saveSelf = PRVM_serverglobaledict(self);
 486                 host_client->clientconnectcalled = false;
 487                 PRVM_serverglobalfloat(time) = sv.time;
 488                 PRVM_serverglobaledict(self) = PRVM_EDICT_TO_PROG(host_client->edict);
 489                 prog->ExecuteProgram(prog, PRVM_serverfunction(ClientDisconnect), "QC function ClientDisconnect is missing");
 490                 PRVM_serverglobaledict(self) = saveSelf;
 491         }
 492
 493         if (host_client->netconnection)
 494         {
 495                 // break the net connection
 496                 NetConn_Close(host_client->netconnection);
 497                 host_client->netconnection = NULL;
 498         }
 499
 500         // if a download is active, close it
 501         if (host_client->download_file)
 502         {
 503                 Con_DPrintf("Download of %s aborted when %s dropped\n", host_client->download_name, host_client->name);
 504                 FS_Close(host_client->download_file);
 505                 host_client->download_file = NULL;
 506                 host_client->download_name[0] = 0;
 507                 host_client->download_expectedposition = 0;
 508                 host_client->download_started = false;
 509         }
 510
 511         // remove leaving player from scoreboard
 512         host_client->name[0] = 0;
 513         host_client->colors = 0;
 514         host_client->frags = 0;
 515         // send notification to all clients
 516         // get number of client manually just to make sure we get it right...
 517         i = host_client - svs.clients;
 518         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
 519         MSG_WriteByte (&sv.reliable_datagram, i);
 520         MSG_WriteString (&sv.reliable_datagram, host_client->name);
 521         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
 522         MSG_WriteByte (&sv.reliable_datagram, i);
 523         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
 524         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
 525         MSG_WriteByte (&sv.reliable_datagram, i);
 526         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
 527
 528         // free the client now
 529         if (host_client->entitydatabase)
 530                 EntityFrame_FreeDatabase(host_client->entitydatabase);
 531         if (host_client->entitydatabase4)
 532                 EntityFrame4_FreeDatabase(host_client->entitydatabase4);
 533         if (host_client->entitydatabase5)
 534                 EntityFrame5_FreeDatabase(host_client->entitydatabase5);
 535
 536         if (sv.active)
 537         {
 538                 // clear a fields that matter to DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS, and also frags
 539                 PRVM_ED_ClearEdict(prog, host_client->edict);
 540         }
 541
 542         // clear the client struct (this sets active to false)
 543         memset(host_client, 0, sizeof(*host_client));
 544
 545         // update server listing on the master because player count changed
 546         // (which the master uses for filtering empty/full servers)
 547         NetConn_Heartbeat(1);
 548
 549         if (sv.loadgame)
 550         {
 551                 for (i = 0;i < svs.maxclients;i++)
 552                         if (svs.clients[i].active && !svs.clients[i].spawned)
 553                                 break;
 554                 if (i == svs.maxclients)
 555                 {
 556                         Con_Printf("Loaded game, everyone rejoined - unpausing\n");
 557                         sv.paused = sv.loadgame = false; // we're basically done with loading now
 558                 }
 559         }
 560 }
 561
 562 /*
 563 ==================
 564 Host_ShutdownServer
 565
 566 This only happens at the end of a game, not between levels
 567 ==================
 568 */
 569 void Host_ShutdownServer(void)
 570 {
 571         prvm_prog_t *prog = SVVM_prog;
 572         int i;
 573
 574         Con_DPrintf("Host_ShutdownServer\n");
 575
 576         if (!sv.active)
 577                 return;
 578
 579         NetConn_Heartbeat(2);
 580         NetConn_Heartbeat(2);
 581
 582 // make sure all the clients know we're disconnecting
 583         World_End(&sv.world);
 584         if(prog->loaded)
 585         {
 586                 if(PRVM_serverfunction(SV_Shutdown))
 587                 {
 588                         func_t s = PRVM_serverfunction(SV_Shutdown);
 589                         PRVM_serverglobalfloat(time) = sv.time;
 590                         PRVM_serverfunction(SV_Shutdown) = 0; // prevent it from getting called again
 591                         prog->ExecuteProgram(prog, s,"SV_Shutdown() required");
 592                 }
 593         }
 594         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
 595                 if (host_client->active)
 596                         SV_DropClient(false); // server shutdown
 597
 598         NetConn_CloseServerPorts();
 599
 600         sv.active = false;
 601 //
 602 // clear structures
 603 //
 604         memset(&sv, 0, sizeof(sv));
 605         memset(svs.clients, 0, svs.maxclients*sizeof(client_t));
 606
 607         cl.islocalgame = false;
 608 }
 609
 610
 611 //============================================================================
 612
 613 /*
 614 ===================
 615 Host_GetConsoleCommands
 616
 617 Add them exactly as if they had been typed at the console
 618 ===================
 619 */
 620 static void Host_GetConsoleCommands (void)
 621 {
 622         char *cmd;
 623
 624         while (1)
 625         {
 626                 cmd = Sys_ConsoleInput ();
 627                 if (!cmd)
 628                         break;
 629                 Cbuf_AddText (cmd);
 630         }
 631 }
 632
 633 /*
 634 ==================
 635 Host_TimeReport
 636
 637 Returns a time report string, for example for
 638 ==================
 639 */
 640 const char *Host_TimingReport(char *buf, size_t buflen)
 641 {
 642         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);
 643 }
 644
 645 /*
 646 ==================
 647 Host_Frame
 648
 649 Runs all active servers
 650 ==================
 651 */
 652 static void Host_Init(void);
 653 void Host_Main(void)
 654 {
 655         double time1 = 0;
 656         double time2 = 0;
 657         double time3 = 0;
 658         double cl_timer = 0, sv_timer = 0;
 659         double clframetime, deltacleantime, olddirtytime, dirtytime;
 660         double wait;
 661         int pass1, pass2, pass3, i;
 662         char vabuf[1024];
 663
 664         Host_Init();
 665
 666         realtime = 0;
 667         dirtytime = Sys_DirtyTime();
 668         for (;;)
 669         {
 670                 if (setjmp(host_abortframe))
 671                 {
 672                         SCR_ClearLoadingScreen(false);
 673                         continue;                       // something bad happened, or the server disconnected
 674                 }
 675
 676                 olddirtytime = host_dirtytime;
 677                 dirtytime = Sys_DirtyTime();
 678                 deltacleantime = dirtytime - olddirtytime;
 679                 if (deltacleantime < 0)
 680                 {
 681                         // warn if it's significant
 682                         if (deltacleantime < -0.01)
 683                                 Con_Printf("Host_Mingled: time stepped backwards (went from %f to %f, difference %f)\n", olddirtytime, dirtytime, deltacleantime);
 684                         deltacleantime = 0;
 685                 }
 686                 else if (deltacleantime >= 1800)
 687                 {
 688                         Con_Printf("Host_Mingled: time stepped forward (went from %f to %f, difference %f)\n", olddirtytime, dirtytime, deltacleantime);
 689                         deltacleantime = 0;
 690                 }
 691                 realtime += deltacleantime;
 692                 host_dirtytime = dirtytime;
 693
 694                 cl_timer += deltacleantime;
 695                 sv_timer += deltacleantime;
 696
 697                 if (!svs.threaded)
 698                 {
 699                         svs.perf_acc_realtime += deltacleantime;
 700
 701                         // Look for clients who have spawned
 702                         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
 703                                 if(host_client->spawned)
 704                                         if(host_client->netconnection)
 705                                                 break;
 706                         if(i == svs.maxclients)
 707                         {
 708                                 // Nobody is looking? Then we won't do timing...
 709                                 // Instead, reset it to zero
 710                                 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;
 711                         }
 712                         else if(svs.perf_acc_realtime > 5)
 713                         {
 714                                 svs.perf_cpuload = 1 - svs.perf_acc_sleeptime / svs.perf_acc_realtime;
 715                                 svs.perf_lost = svs.perf_acc_lost / svs.perf_acc_realtime;
 716                                 if(svs.perf_acc_offset_samples > 0)
 717                                 {
 718                                         svs.perf_offset_max = svs.perf_acc_offset_max;
 719                                         svs.perf_offset_avg = svs.perf_acc_offset / svs.perf_acc_offset_samples;
 720                                         svs.perf_offset_sdev = sqrt(svs.perf_acc_offset_squared / svs.perf_acc_offset_samples - svs.perf_offset_avg * svs.perf_offset_avg);
 721                                 }
 722                                 if(svs.perf_lost > 0 && developer_extra.integer)
 723                                         Con_DPrintf("Server can't keep up: %s\n", Host_TimingReport(vabuf, sizeof(vabuf)));
 724                                 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;
 725                         }
 726                 }
 727
 728                 if (slowmo.value < 0.00001 && slowmo.value != 0)
 729                         Cvar_SetValue("slowmo", 0);
 730                 if (host_framerate.value < 0.00001 && host_framerate.value != 0)
 731                         Cvar_SetValue("host_framerate", 0);
 732
 733                 // keep the random time dependent, but not when playing demos/benchmarking
 734                 if(!*sv_random_seed.string && !cls.demoplayback)
 735                         rand();
 736
 737                 // get new key events
 738                 Key_EventQueue_Unblock();
 739                 SndSys_SendKeyEvents();
 740                 Sys_SendKeyEvents();
 741
 742                 NetConn_UpdateSockets();
 743
 744                 Log_DestBuffer_Flush();
 745
 746                 // receive packets on each main loop iteration, as the main loop may
 747                 // be undersleeping due to select() detecting a new packet
 748                 if (sv.active && !svs.threaded)
 749                         NetConn_ServerFrame();
 750
 751                 Curl_Run();
 752
 753                 // check for commands typed to the host
 754                 Host_GetConsoleCommands();
 755
 756                 // when a server is running we only execute console commands on server frames
 757                 // (this mainly allows frikbot .way config files to work properly by staying in sync with the server qc)
 758                 // otherwise we execute them on client frames
 759                 if (sv.active ? sv_timer > 0 : cl_timer > 0)
 760                 {
 761                         // process console commands
 762 //                      R_TimeReport("preconsole");
 763                         CL_VM_PreventInformationLeaks();
 764                         Cbuf_Frame();
 765 //                      R_TimeReport("console");
 766                 }
 767
 768                 //Con_Printf("%6.0f %6.0f\n", cl_timer * 1000000.0, sv_timer * 1000000.0);
 769
 770                 // if the accumulators haven't become positive yet, wait a while
 771                 if (cls.state == ca_dedicated)
 772                         wait = sv_timer * -1000000.0;
 773                 else if (!sv.active || svs.threaded)
 774                         wait = cl_timer * -1000000.0;
 775                 else
 776                         wait = max(cl_timer, sv_timer) * -1000000.0;
 777
 778                 if (!cls.timedemo && wait >= 1)
 779                 {
 780                         double time0, delta;
 781
 782                         if(host_maxwait.value <= 0)
 783                                 wait = min(wait, 1000000.0);
 784                         else
 785                                 wait = min(wait, host_maxwait.value * 1000.0);
 786                         if(wait < 1)
 787                                 wait = 1; // because we cast to int
 788
 789                         time0 = Sys_DirtyTime();
 790                         if (sv_checkforpacketsduringsleep.integer && !sys_usenoclockbutbenchmark.integer && !svs.threaded)
 791                                 NetConn_SleepMicroseconds((int)wait);
 792                         else
 793                                 Sys_Sleep((int)wait);
 794                         delta = Sys_DirtyTime() - time0;
 795                         if (delta < 0 || delta >= 1800) delta = 0;
 796                         if (!svs.threaded)
 797                                 svs.perf_acc_sleeptime += delta;
 798 //                      R_TimeReport("sleep");
 799                         continue;
 800                 }
 801
 802                 // limit the frametime steps to no more than 100ms each
 803                 if (cl_timer > 0.1)
 804                         cl_timer = 0.1;
 805                 if (sv_timer > 0.1)
 806                 {
 807                         if (!svs.threaded)
 808                                 svs.perf_acc_lost += (sv_timer - 0.1);
 809                         sv_timer = 0.1;
 810                 }
 811
 812                 R_TimeReport("---");
 813
 814         //-------------------
 815         //
 816         // server operations
 817         //
 818         //-------------------
 819
 820                 // limit the frametime steps to no more than 100ms each
 821                 if (sv.active && sv_timer > 0 && !svs.threaded)
 822                 {
 823                         // execute one or more server frames, with an upper limit on how much
 824                         // execution time to spend on server frames to avoid freezing the game if
 825                         // the server is overloaded, this execution time limit means the game will
 826                         // slow down if the server is taking too long.
 827                         int framecount, framelimit = 1;
 828                         double advancetime, aborttime = 0;
 829                         float offset;
 830                         prvm_prog_t *prog = SVVM_prog;
 831
 832                         // run the world state
 833                         // don't allow simulation to run too fast or too slow or logic glitches can occur
 834
 835                         // stop running server frames if the wall time reaches this value
 836                         if (sys_ticrate.value <= 0)
 837                                 advancetime = sv_timer;
 838                         else if (cl.islocalgame && !sv_fixedframeratesingleplayer.integer)
 839                         {
 840                                 // synchronize to the client frametime, but no less than 10ms and no more than sys_ticrate
 841                                 advancetime = bound(0.01, cl_timer, sys_ticrate.value);
 842                                 framelimit = cl_maxphysicsframesperserverframe.integer;
 843                                 aborttime = realtime + 0.1;
 844                         }
 845                         else
 846                         {
 847                                 advancetime = sys_ticrate.value;
 848                                 // listen servers can run multiple server frames per client frame
 849                                 if (cls.state == ca_connected)
 850                                 {
 851                                         framelimit = cl_maxphysicsframesperserverframe.integer;
 852                                         aborttime = realtime + 0.1;
 853                                 }
 854                         }
 855                         if(slowmo.value > 0 && slowmo.value < 1)
 856                                 advancetime = min(advancetime, 0.1 / slowmo.value);
 857                         else
 858                                 advancetime = min(advancetime, 0.1);
 859
 860                         if(advancetime > 0)
 861                         {
 862                                 offset = Sys_DirtyTime() - realtime;if (offset < 0 || offset >= 1800) offset = 0;
 863                                 offset += sv_timer;
 864                                 ++svs.perf_acc_offset_samples;
 865                                 svs.perf_acc_offset += offset;
 866                                 svs.perf_acc_offset_squared += offset * offset;
 867                                 if(svs.perf_acc_offset_max < offset)
 868                                         svs.perf_acc_offset_max = offset;
 869                         }
 870
 871                         // only advance time if not paused
 872                         // the game also pauses in singleplayer when menu or console is used
 873                         sv.frametime = advancetime * slowmo.value;
 874                         if (host_framerate.value)
 875                                 sv.frametime = host_framerate.value;
 876                         if (sv.paused || (cl.islocalgame && (key_dest != key_game || key_consoleactive || cl.csqc_paused)))
 877                                 sv.frametime = 0;
 878
 879                         for (framecount = 0;framecount < framelimit && sv_timer > 0;framecount++)
 880                         {
 881                                 sv_timer -= advancetime;
 882
 883                                 // move things around and think unless paused
 884                                 if (sv.frametime)
 885                                         SV_Physics();
 886
 887                                 // if this server frame took too long, break out of the loop
 888                                 if (framelimit > 1 && Sys_DirtyTime() >= aborttime)
 889                                         break;
 890                         }
 891                         R_TimeReport("serverphysics");
 892
 893                         // send all messages to the clients
 894                         SV_SendClientMessages();
 895
 896                         if (sv.paused == 1 && realtime > sv.pausedstart && sv.pausedstart > 0) {
 897                                 prog->globals.generic[OFS_PARM0] = realtime - sv.pausedstart;
 898                                 PRVM_serverglobalfloat(time) = sv.time;
 899                                 prog->ExecuteProgram(prog, PRVM_serverfunction(SV_PausedTic), "QC function SV_PausedTic is missing");
 900                         }
 901
 902                         // send an heartbeat if enough time has passed since the last one
 903                         NetConn_Heartbeat(0);
 904                         R_TimeReport("servernetwork");
 905                 }
 906                 else if (!svs.threaded)
 907                 {
 908                         // don't let r_speeds display jump around
 909                         R_TimeReport("serverphysics");
 910                         R_TimeReport("servernetwork");
 911                 }
 912
 913         //-------------------
 914         //
 915         // client operations
 916         //
 917         //-------------------
 918
 919                 if (cls.state != ca_dedicated && (cl_timer > 0 || cls.timedemo || ((vid_activewindow ? cl_maxfps : cl_maxidlefps).value < 1)))
 920                 {
 921                         R_TimeReport("---");
 922                         Collision_Cache_NewFrame();
 923                         R_TimeReport("collisioncache");
 924                         // decide the simulation time
 925                         if (cls.capturevideo.active)
 926                         {
 927                                 //***
 928                                 if (cls.capturevideo.realtime)
 929                                         clframetime = cl.realframetime = max(cl_timer, 1.0 / cls.capturevideo.framerate);
 930                                 else
 931                                 {
 932                                         clframetime = 1.0 / cls.capturevideo.framerate;
 933                                         cl.realframetime = max(cl_timer, clframetime);
 934                                 }
 935                         }
 936                         else if (vid_activewindow && cl_maxfps.value >= 1 && !cls.timedemo)
 937                         {
 938                                 clframetime = cl.realframetime = max(cl_timer, 1.0 / cl_maxfps.value);
 939                                 // when running slow, we need to sleep to keep input responsive
 940                                 wait = bound(0, cl_maxfps_alwayssleep.value * 1000, 100000);
 941                                 if (wait > 0)
 942                                         Sys_Sleep((int)wait);
 943                         }
 944                         else if (!vid_activewindow && cl_maxidlefps.value >= 1 && !cls.timedemo)
 945                                 clframetime = cl.realframetime = max(cl_timer, 1.0 / cl_maxidlefps.value);
 946                         else
 947                                 clframetime = cl.realframetime = cl_timer;
 948
 949                         // apply slowmo scaling
 950                         clframetime *= cl.movevars_timescale;
 951                         // scale playback speed of demos by slowmo cvar
 952                         if (cls.demoplayback)
 953                         {
 954                                 clframetime *= slowmo.value;
 955                                 // if demo playback is paused, don't advance time at all
 956                                 if (cls.demopaused)
 957                                         clframetime = 0;
 958                         }
 959
 960                         // host_framerate overrides all else
 961                         if (host_framerate.value)
 962                                 clframetime = host_framerate.value;
 963
 964                         if (cl.paused || (cl.islocalgame && (key_dest != key_game || key_consoleactive || cl.csqc_paused)))
 965                                 clframetime = 0;
 966
 967                         if (cls.timedemo)
 968                                 clframetime = cl.realframetime = cl_timer;
 969
 970                         // deduct the frame time from the accumulator
 971                         cl_timer -= cl.realframetime;
 972
 973                         cl.oldtime = cl.time;
 974                         cl.time += clframetime;
 975
 976                         // update video
 977                         if (host_speeds.integer)
 978                                 time1 = Sys_DirtyTime();
 979                         R_TimeReport("pre-input");
 980
 981                         // Collect input into cmd
 982                         CL_Input();
 983
 984                         R_TimeReport("input");
 985
 986                         // check for new packets
 987                         NetConn_ClientFrame();
 988
 989                         // read a new frame from a demo if needed
 990                         CL_ReadDemoMessage();
 991                         R_TimeReport("clientnetwork");
 992
 993                         // now that packets have been read, send input to server
 994                         CL_SendMove();
 995                         R_TimeReport("sendmove");
 996
 997                         // update client world (interpolate entities, create trails, etc)
 998                         CL_UpdateWorld();
 999                         R_TimeReport("lerpworld");
1000
1001                         CL_Video_Frame();
1002
1003                         R_TimeReport("client");
1004
1005                         CL_UpdateScreen();
1006                         R_TimeReport("render");
1007
1008                         if (host_speeds.integer)
1009                                 time2 = Sys_DirtyTime();
1010
1011                         // update audio
1012                         if(cl.csqc_usecsqclistener)
1013                         {
1014                                 S_Update(&cl.csqc_listenermatrix);
1015                                 cl.csqc_usecsqclistener = false;
1016                         }
1017                         else
1018                                 S_Update(&r_refdef.view.matrix);
1019
1020                         CDAudio_Update();
1021                         R_TimeReport("audio");
1022
1023                         // reset gathering of mouse input
1024                         in_mouse_x = in_mouse_y = 0;
1025
1026                         if (host_speeds.integer)
1027                         {
1028                                 pass1 = (int)((time1 - time3)*1000000);
1029                                 time3 = Sys_DirtyTime();
1030                                 pass2 = (int)((time2 - time1)*1000000);
1031                                 pass3 = (int)((time3 - time2)*1000000);
1032                                 Con_Printf("%6ius total %6ius server %6ius gfx %6ius snd\n",
1033                                                         pass1+pass2+pass3, pass1, pass2, pass3);
1034                         }
1035                 }
1036
1037 #if MEMPARANOIA
1038                 Mem_CheckSentinelsGlobal();
1039 #else
1040                 if (developer_memorydebug.integer)
1041                         Mem_CheckSentinelsGlobal();
1042 #endif
1043
1044                 // if there is some time remaining from this frame, reset the timers
1045                 if (cl_timer >= 0)
1046                         cl_timer = 0;
1047                 if (sv_timer >= 0)
1048                 {
1049                         if (!svs.threaded)
1050                                 svs.perf_acc_lost += sv_timer;
1051                         sv_timer = 0;
1052                 }
1053
1054                 host_framecount++;
1055         }
1056 }
1057
1058 //============================================================================
1059
1060 qboolean vid_opened = false;
1061 void Host_StartVideo(void)
1062 {
1063         if (!vid_opened && cls.state != ca_dedicated)
1064         {
1065                 vid_opened = true;
1066                 // make sure we open sockets before opening video because the Windows Firewall "unblock?" dialog can screw up the graphics context on some graphics drivers
1067                 NetConn_UpdateSockets();
1068                 VID_Start();
1069                 CDAudio_Startup();
1070         }
1071 }
1072
1073 char engineversion[128];
1074
1075 qboolean sys_nostdout = false;
1076
1077 extern qboolean host_stuffcmdsrun;
1078
1079 /*
1080 ====================
1081 Host_Init
1082 ====================
1083 */
1084 static void Host_Init (void)
1085 {
1086         int i;
1087         const char* os;
1088         char vabuf[1024];
1089
1090         if (COM_CheckParm("-profilegameonly"))
1091                 Sys_AllowProfiling(false);
1092
1093         // LordHavoc: quake never seeded the random number generator before... heh
1094         if (COM_CheckParm("-benchmark"))
1095                 srand(0); // predictable random sequence for -benchmark
1096         else
1097                 srand((unsigned int)time(NULL));
1098
1099         // FIXME: this is evil, but possibly temporary
1100         // LordHavoc: doesn't seem very temporary...
1101         // LordHavoc: made this a saved cvar
1102 // COMMANDLINEOPTION: Console: -developer enables warnings and other notices (RECOMMENDED for mod developers)
1103         if (COM_CheckParm("-developer"))
1104         {
1105                 developer.value = developer.integer = 1;
1106                 developer.string = "1";
1107         }
1108
1109         if (COM_CheckParm("-developer2") || COM_CheckParm("-developer3"))
1110         {
1111                 developer.value = developer.integer = 1;
1112                 developer.string = "1";
1113                 developer_extra.value = developer_extra.integer = 1;
1114                 developer_extra.string = "1";
1115                 developer_insane.value = developer_insane.integer = 1;
1116                 developer_insane.string = "1";
1117                 developer_memory.value = developer_memory.integer = 1;
1118                 developer_memory.string = "1";
1119                 developer_memorydebug.value = developer_memorydebug.integer = 1;
1120                 developer_memorydebug.string = "1";
1121         }
1122
1123         if (COM_CheckParm("-developer3"))
1124         {
1125                 gl_paranoid.integer = 1;gl_paranoid.string = "1";
1126                 gl_printcheckerror.integer = 1;gl_printcheckerror.string = "1";
1127         }
1128
1129 // COMMANDLINEOPTION: Console: -nostdout disables text output to the terminal the game was launched from
1130         if (COM_CheckParm("-nostdout"))
1131                 sys_nostdout = 1;
1132
1133         // used by everything
1134         Memory_Init();
1135
1136         // initialize console command/cvar/alias/command execution systems
1137         Cmd_Init();
1138
1139         // initialize memory subsystem cvars/commands
1140         Memory_Init_Commands();
1141
1142         // initialize console and logging and its cvars/commands
1143         Con_Init();
1144
1145         // initialize various cvars that could not be initialized earlier
1146         u8_Init();
1147         Curl_Init_Commands();
1148         Cmd_Init_Commands();
1149         Sys_Init_Commands();
1150         COM_Init_Commands();
1151         FS_Init_Commands();
1152
1153         // initialize console window (only used by sys_win.c)
1154         Sys_InitConsole();
1155
1156         // initialize the self-pack (must be before COM_InitGameType as it may add command line options)
1157         FS_Init_SelfPack();
1158
1159         // detect gamemode from commandline options or executable name
1160         COM_InitGameType();
1161
1162         // construct a version string for the corner of the console
1163         os = DP_OS_NAME;
1164         dpsnprintf (engineversion, sizeof (engineversion), "%s %s %s", gamename, os, buildstring);
1165         Con_Printf("%s\n", engineversion);
1166
1167         // initialize process nice level
1168         Sys_InitProcessNice();
1169
1170         // initialize ixtable
1171         Mathlib_Init();
1172
1173         // initialize filesystem (including fs_basedir, fs_gamedir, -game, scr_screenshot_name)
1174         FS_Init();
1175
1176         // must be after FS_Init
1177         Crypto_Init();
1178         Crypto_Init_Commands();
1179
1180         NetConn_Init();
1181         Curl_Init();
1182         //PR_Init();
1183         //PR_Cmd_Init();
1184         PRVM_Init();
1185         Mod_Init();
1186         World_Init();
1187         SV_Init();
1188         V_Init(); // some cvars needed by server player physics (cl_rollangle etc)
1189         Host_InitCommands();
1190         Host_InitLocal();
1191         Host_ServerOptions();
1192
1193         Thread_Init();
1194
1195         if (cls.state == ca_dedicated)
1196                 Cmd_AddCommand ("disconnect", CL_Disconnect_f, "disconnect from server (or disconnect all clients if running a server)");
1197         else
1198         {
1199                 Con_DPrintf("Initializing client\n");
1200
1201                 R_Modules_Init();
1202                 Palette_Init();
1203                 MR_Init_Commands();
1204                 VID_Shared_Init();
1205                 VID_Init();
1206                 Render_Init();
1207                 S_Init();
1208                 CDAudio_Init();
1209                 Key_Init();
1210                 CL_Init();
1211         }
1212
1213         // save off current state of aliases, commands and cvars for later restore if FS_GameDir_f is called
1214         // NOTE: menu commands are freed by Cmd_RestoreInitState
1215         Cmd_SaveInitState();
1216
1217         // FIXME: put this into some neat design, but the menu should be allowed to crash
1218         // without crashing the whole game, so this should just be a short-time solution
1219
1220         // here comes the not so critical stuff
1221         if (setjmp(host_abortframe)) {
1222                 return;
1223         }
1224
1225         Host_AddConfigText();
1226         Cbuf_Execute();
1227
1228         // if stuffcmds wasn't run, then quake.rc is probably missing, use default
1229         if (!host_stuffcmdsrun)
1230         {
1231                 Cbuf_AddText("exec default.cfg\nexec " CONFIGFILENAME "\nexec autoexec.cfg\nstuffcmds\n");
1232                 Cbuf_Execute();
1233         }
1234
1235         // put up the loading image so the user doesn't stare at a black screen...
1236         SCR_BeginLoadingPlaque();
1237
1238         if (cls.state != ca_dedicated)
1239         {
1240                 MR_Init();
1241         }
1242
1243         // check for special benchmark mode
1244 // 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)
1245         i = COM_CheckParm("-benchmark");
1246         if (i && i + 1 < com_argc)
1247         if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1248         {
1249                 Cbuf_AddText(va(vabuf, sizeof(vabuf), "timedemo %s\n", com_argv[i + 1]));
1250                 Cbuf_Execute();
1251         }
1252
1253         // check for special demo mode
1254 // COMMANDLINEOPTION: Client: -demo <demoname> runs a playdemo and quits
1255         i = COM_CheckParm("-demo");
1256         if (i && i + 1 < com_argc)
1257         if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1258         {
1259                 Cbuf_AddText(va(vabuf, sizeof(vabuf), "playdemo %s\n", com_argv[i + 1]));
1260                 Cbuf_Execute();
1261         }
1262
1263 // COMMANDLINEOPTION: Client: -capturedemo <demoname> captures a playdemo and quits
1264         i = COM_CheckParm("-capturedemo");
1265         if (i && i + 1 < com_argc)
1266         if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1267         {
1268                 Cbuf_AddText(va(vabuf, sizeof(vabuf), "playdemo %s\ncl_capturevideo 1\n", com_argv[i + 1]));
1269                 Cbuf_Execute();
1270         }
1271
1272         if (cls.state == ca_dedicated || COM_CheckParm("-listen"))
1273         if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1274         {
1275                 Cbuf_AddText("startmap_dm\n");
1276                 Cbuf_Execute();
1277         }
1278
1279         if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1280         {
1281                 Cbuf_AddText("togglemenu\n");
1282                 Cbuf_Execute();
1283         }
1284
1285         Con_DPrint("========Initialized=========\n");
1286
1287         //Host_StartVideo();
1288
1289         if (cls.state != ca_dedicated)
1290                 SV_StartThread();
1291 }
1292
1293
1294 /*
1295 ===============
1296 Host_Shutdown
1297
1298 FIXME: this is a callback from Sys_Quit and Sys_Error.  It would be better
1299 to run quit through here before the final handoff to the sys code.
1300 ===============
1301 */
1302 void Host_Shutdown(void)
1303 {
1304         static qboolean isdown = false;
1305
1306         if (isdown)
1307         {
1308                 Con_Print("recursive shutdown\n");
1309                 return;
1310         }
1311         if (setjmp(host_abortframe))
1312         {
1313                 Con_Print("aborted the quitting frame?!?\n");
1314                 return;
1315         }
1316         isdown = true;
1317
1318         // be quiet while shutting down
1319         S_StopAllSounds();
1320
1321         // end the server thread
1322         if (svs.threaded)
1323                 SV_StopThread();
1324
1325         // disconnect client from server if active
1326         CL_Disconnect();
1327
1328         // shut down local server if active
1329         SV_LockThreadMutex();
1330         Host_ShutdownServer ();
1331         SV_UnlockThreadMutex();
1332
1333         // Shutdown menu
1334         if(MR_Shutdown)
1335                 MR_Shutdown();
1336
1337         // AK shutdown PRVM
1338         // AK hmm, no PRVM_Shutdown(); yet
1339
1340         CL_Video_Shutdown();
1341
1342         Host_SaveConfig();
1343
1344         CDAudio_Shutdown ();
1345         S_Terminate ();
1346         Curl_Shutdown ();
1347         NetConn_Shutdown ();
1348         //PR_Shutdown ();
1349
1350         if (cls.state != ca_dedicated)
1351         {
1352                 R_Modules_Shutdown();
1353                 VID_Shutdown();
1354         }
1355
1356         SV_StopThread();
1357         Thread_Shutdown();
1358         Cmd_Shutdown();
1359         Key_Shutdown();
1360         CL_Shutdown();
1361         Sys_Shutdown();
1362         Log_Close();
1363         Crypto_Shutdown();
1364         FS_Shutdown();
1365         Con_Shutdown();
1366         Memory_Shutdown();
1367 }
1368