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_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)"};
  76 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"};
  77 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"};
  78
  79 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"};
  80 cvar_t developer_extra = {0, "developer_extra", "0", "prints additional debugging messages, often very verbose!"};
  81 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!"};
  82 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)"};
  83 cvar_t developer_loading = {0, "developer_loading","0", "prints information about files as they are loaded or unloaded successfully"};
  84 cvar_t developer_entityparsing = {0, "developer_entityparsing", "0", "prints detailed network entities information each time a packet is received"};
  85
  86 cvar_t timestamps = {CVAR_SAVE, "timestamps", "0", "prints timestamps on console messages"};
  87 cvar_t timeformat = {CVAR_SAVE, "timeformat", "[%Y-%m-%d %H:%M:%S] ", "time format to use on timestamped console messages"};
  88
  89 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 (.)"};
  90 cvar_t locksession = {0, "locksession", "0", "Lock the session? 0 = no, 1 = yes and abort on failure, 2 = yes and continue on failure"};
  91
  92 /*
  93 ================
  94 Host_AbortCurrentFrame
  95
  96 aborts the current host frame and goes on with the next one
  97 ================
  98 */
  99 void Host_AbortCurrentFrame(void)
 100 {
 101         // in case we were previously nice, make us mean again
 102         Sys_MakeProcessMean();
 103
 104         longjmp (host_abortframe, 1);
 105 }
 106
 107 /*
 108 ================
 109 Host_Error
 110
 111 This shuts down both the client and server
 112 ================
 113 */
 114 void Host_Error (const char *error, ...)
 115 {
 116         static char hosterrorstring1[MAX_INPUTLINE]; // THREAD UNSAFE
 117         static char hosterrorstring2[MAX_INPUTLINE]; // THREAD UNSAFE
 118         static qboolean hosterror = false;
 119         va_list argptr;
 120
 121         // turn off rcon redirect if it was active when the crash occurred
 122         // to prevent loops when it is a networking problem
 123         Con_Rcon_Redirect_Abort();
 124
 125         va_start (argptr,error);
 126         dpvsnprintf (hosterrorstring1,sizeof(hosterrorstring1),error,argptr);
 127         va_end (argptr);
 128
 129         Con_Printf("Host_Error: %s\n", hosterrorstring1);
 130
 131         // LordHavoc: if crashing very early, or currently shutting down, do
 132         // Sys_Error instead
 133         if (host_framecount < 3 || host_shuttingdown)
 134                 Sys_Error ("Host_Error: %s", hosterrorstring1);
 135
 136         if (hosterror)
 137                 Sys_Error ("Host_Error: recursively entered (original error was: %s    new error is: %s)", hosterrorstring2, hosterrorstring1);
 138         hosterror = true;
 139
 140         strlcpy(hosterrorstring2, hosterrorstring1, sizeof(hosterrorstring2));
 141
 142         CL_Parse_DumpPacket();
 143
 144         CL_Parse_ErrorCleanUp();
 145
 146         //PR_Crash();
 147
 148         // print out where the crash happened, if it was caused by QC (and do a cleanup)
 149         PRVM_Crash(SVVM_prog);
 150         PRVM_Crash(CLVM_prog);
 151         PRVM_Crash(MVM_prog);
 152
 153         cl.csqc_loaded = false;
 154         Cvar_SetValueQuick(&csqc_progcrc, -1);
 155         Cvar_SetValueQuick(&csqc_progsize, -1);
 156
 157         SV_LockThreadMutex();
 158         Host_ShutdownServer ();
 159         SV_UnlockThreadMutex();
 160
 161         if (cls.state == ca_dedicated)
 162                 Sys_Error ("Host_Error: %s",hosterrorstring2);  // dedicated servers exit
 163
 164         CL_Disconnect ();
 165         cls.demonum = -1;
 166
 167         hosterror = false;
 168
 169         Host_AbortCurrentFrame();
 170 }
 171
 172 static void Host_ServerOptions (void)
 173 {
 174         int i;
 175
 176         // general default
 177         svs.maxclients = 8;
 178
 179 // COMMANDLINEOPTION: Server: -dedicated [playerlimit] starts a dedicated server (with a command console), default playerlimit is 8
 180 // COMMANDLINEOPTION: Server: -listen [playerlimit] starts a multiplayer server with graphical client, like singleplayer but other players can connect, default playerlimit is 8
 181         // if no client is in the executable or -dedicated is specified on
 182         // commandline, start a dedicated server
 183         i = COM_CheckParm ("-dedicated");
 184         if (i || !cl_available)
 185         {
 186                 cls.state = ca_dedicated;
 187                 // check for -dedicated specifying how many players
 188                 if (i && i + 1 < com_argc && atoi (com_argv[i+1]) >= 1)
 189                         svs.maxclients = atoi (com_argv[i+1]);
 190                 if (COM_CheckParm ("-listen"))
 191                         Con_Printf ("Only one of -dedicated or -listen can be specified\n");
 192                 // default sv_public on for dedicated servers (often hosted by serious administrators), off for listen servers (often hosted by clueless users)
 193                 Cvar_SetValue("sv_public", 1);
 194         }
 195         else if (cl_available)
 196         {
 197                 // client exists and not dedicated, check if -listen is specified
 198                 cls.state = ca_disconnected;
 199                 i = COM_CheckParm ("-listen");
 200                 if (i)
 201                 {
 202                         // default players unless specified
 203                         if (i + 1 < com_argc && atoi (com_argv[i+1]) >= 1)
 204                                 svs.maxclients = atoi (com_argv[i+1]);
 205                 }
 206                 else
 207                 {
 208                         // default players in some games, singleplayer in most
 209                         if (gamemode != GAME_GOODVSBAD2 && gamemode != GAME_NEXUIZ && gamemode != GAME_XONOTIC && gamemode != GAME_BATTLEMECH)
 210                                 svs.maxclients = 1;
 211                 }
 212         }
 213
 214         svs.maxclients = svs.maxclients_next = bound(1, svs.maxclients, MAX_SCOREBOARD);
 215
 216         svs.clients = (client_t *)Mem_Alloc(sv_mempool, sizeof(client_t) * svs.maxclients);
 217
 218         if (svs.maxclients > 1 && !deathmatch.integer && !coop.integer)
 219                 Cvar_SetValueQuick(&deathmatch, 1);
 220 }
 221
 222 /*
 223 =======================
 224 Host_InitLocal
 225 ======================
 226 */
 227 void Host_SaveConfig_f(void);
 228 void Host_LoadConfig_f(void);
 229 extern cvar_t sv_writepicture_quality;
 230 extern cvar_t r_texture_jpeg_fastpicmip;
 231 static void Host_InitLocal (void)
 232 {
 233         Cmd_AddCommand("saveconfig", Host_SaveConfig_f, "save settings to config.cfg (or a specified filename) immediately (also automatic when quitting)");
 234         Cmd_AddCommand("loadconfig", Host_LoadConfig_f, "reset everything and reload configs");
 235
 236         Cvar_RegisterVariable (&cl_maxphysicsframesperserverframe);
 237         Cvar_RegisterVariable (&host_framerate);
 238         Cvar_RegisterVariable (&host_speeds);
 239         Cvar_RegisterVariable (&host_maxwait);
 240         Cvar_RegisterVariable (&cl_minfps);
 241         Cvar_RegisterVariable (&cl_minfps_fade);
 242         Cvar_RegisterVariable (&cl_minfps_qualitymax);
 243         Cvar_RegisterVariable (&cl_minfps_qualitymin);
 244         Cvar_RegisterVariable (&cl_minfps_qualitystepmax);
 245         Cvar_RegisterVariable (&cl_minfps_qualityhysteresis);
 246         Cvar_RegisterVariable (&cl_minfps_qualitymultiply);
 247         Cvar_RegisterVariable (&cl_maxfps);
 248         Cvar_RegisterVariable (&cl_maxfps_alwayssleep);
 249         Cvar_RegisterVariable (&cl_maxidlefps);
 250
 251         Cvar_RegisterVariable (&developer);
 252         Cvar_RegisterVariable (&developer_extra);
 253         Cvar_RegisterVariable (&developer_insane);
 254         Cvar_RegisterVariable (&developer_loadfile);
 255         Cvar_RegisterVariable (&developer_loading);
 256         Cvar_RegisterVariable (&developer_entityparsing);
 257
 258         Cvar_RegisterVariable (&timestamps);
 259         Cvar_RegisterVariable (&timeformat);
 260
 261         Cvar_RegisterVariable (&sv_writepicture_quality);
 262         Cvar_RegisterVariable (&r_texture_jpeg_fastpicmip);
 263 }
 264
 265
 266 /*
 267 ===============
 268 Host_SaveConfig_f
 269
 270 Writes key bindings and archived cvars to config.cfg
 271 ===============
 272 */
 273 static void Host_SaveConfig_to(const char *file)
 274 {
 275         qfile_t *f;
 276
 277 // dedicated servers initialize the host but don't parse and set the
 278 // config.cfg cvars
 279         // LordHavoc: don't save a config if it crashed in startup
 280         if (host_framecount >= 3 && cls.state != ca_dedicated && !COM_CheckParm("-benchmark") && !COM_CheckParm("-capturedemo"))
 281         {
 282                 f = FS_OpenRealFile(file, "wb", false);
 283                 if (!f)
 284                 {
 285                         Con_Printf("Couldn't write %s.\n", file);
 286                         return;
 287                 }
 288
 289                 Key_WriteBindings (f);
 290                 Cvar_WriteVariables (f);
 291
 292                 FS_Close (f);
 293         }
 294 }
 295 void Host_SaveConfig(void)
 296 {
 297         Host_SaveConfig_to(CONFIGFILENAME);
 298 }
 299 void Host_SaveConfig_f(void)
 300 {
 301         const char *file = CONFIGFILENAME;
 302
 303         if(Cmd_Argc() >= 2) {
 304                 file = Cmd_Argv(1);
 305                 Con_Printf("Saving to %s\n", file);
 306         }
 307
 308         Host_SaveConfig_to(file);
 309 }
 310
 311 static void Host_AddConfigText(void)
 312 {
 313         // set up the default startmap_sp and startmap_dm aliases (mods can
 314         // override these) and then execute the quake.rc startup script
 315         if (gamemode == GAME_NEHAHRA)
 316                 Cbuf_InsertText("alias startmap_sp \"map nehstart\"\nalias startmap_dm \"map nehstart\"\nexec " STARTCONFIGFILENAME "\n");
 317         else if (gamemode == GAME_TRANSFUSION)
 318                 Cbuf_InsertText("alias startmap_sp \"map e1m1\"\n""alias startmap_dm \"map bb1\"\nexec " STARTCONFIGFILENAME "\n");
 319         else if (gamemode == GAME_TEU)
 320                 Cbuf_InsertText("alias startmap_sp \"map start\"\nalias startmap_dm \"map start\"\nexec teu.rc\n");
 321         else
 322                 Cbuf_InsertText("alias startmap_sp \"map start\"\nalias startmap_dm \"map start\"\nexec " STARTCONFIGFILENAME "\n");
 323 }
 324
 325 /*
 326 ===============
 327 Host_LoadConfig_f
 328
 329 Resets key bindings and cvars to defaults and then reloads scripts
 330 ===============
 331 */
 332 void Host_LoadConfig_f(void)
 333 {
 334         // reset all cvars, commands and aliases to init values
 335         Cmd_RestoreInitState();
 336         // prepend a menu restart command to execute after the config
 337         Cbuf_InsertText("\nmenu_restart\n");
 338         // reset cvars to their defaults, and then exec startup scripts again
 339         Host_AddConfigText();
 340 }
 341
 342 /*
 343 =================
 344 SV_ClientPrint
 345
 346 Sends text across to be displayed
 347 FIXME: make this just a stuffed echo?
 348 =================
 349 */
 350 void SV_ClientPrint(const char *msg)
 351 {
 352         if (host_client->netconnection)
 353         {
 354                 MSG_WriteByte(&host_client->netconnection->message, svc_print);
 355                 MSG_WriteString(&host_client->netconnection->message, msg);
 356         }
 357 }
 358
 359 /*
 360 =================
 361 SV_ClientPrintf
 362
 363 Sends text across to be displayed
 364 FIXME: make this just a stuffed echo?
 365 =================
 366 */
 367 void SV_ClientPrintf(const char *fmt, ...)
 368 {
 369         va_list argptr;
 370         char msg[MAX_INPUTLINE];
 371
 372         va_start(argptr,fmt);
 373         dpvsnprintf(msg,sizeof(msg),fmt,argptr);
 374         va_end(argptr);
 375
 376         SV_ClientPrint(msg);
 377 }
 378
 379 /*
 380 =================
 381 SV_BroadcastPrint
 382
 383 Sends text to all active clients
 384 =================
 385 */
 386 void SV_BroadcastPrint(const char *msg)
 387 {
 388         int i;
 389         client_t *client;
 390
 391         for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
 392         {
 393                 if (client->active && client->netconnection)
 394                 {
 395                         MSG_WriteByte(&client->netconnection->message, svc_print);
 396                         MSG_WriteString(&client->netconnection->message, msg);
 397                 }
 398         }
 399
 400         if (sv_echobprint.integer && cls.state == ca_dedicated)
 401                 Con_Print(msg);
 402 }
 403
 404 /*
 405 =================
 406 SV_BroadcastPrintf
 407
 408 Sends text to all active clients
 409 =================
 410 */
 411 void SV_BroadcastPrintf(const char *fmt, ...)
 412 {
 413         va_list argptr;
 414         char msg[MAX_INPUTLINE];
 415
 416         va_start(argptr,fmt);
 417         dpvsnprintf(msg,sizeof(msg),fmt,argptr);
 418         va_end(argptr);
 419
 420         SV_BroadcastPrint(msg);
 421 }
 422
 423 /*
 424 =================
 425 Host_ClientCommands
 426
 427 Send text over to the client to be executed
 428 =================
 429 */
 430 void Host_ClientCommands(const char *fmt, ...)
 431 {
 432         va_list argptr;
 433         char string[MAX_INPUTLINE];
 434
 435         if (!host_client->netconnection)
 436                 return;
 437
 438         va_start(argptr,fmt);
 439         dpvsnprintf(string, sizeof(string), fmt, argptr);
 440         va_end(argptr);
 441
 442         MSG_WriteByte(&host_client->netconnection->message, svc_stufftext);
 443         MSG_WriteString(&host_client->netconnection->message, string);
 444 }
 445
 446 /*
 447 =====================
 448 SV_DropClient
 449
 450 Called when the player is getting totally kicked off the host
 451 if (crash = true), don't bother sending signofs
 452 =====================
 453 */
 454 void SV_DropClient(qboolean crash)
 455 {
 456         prvm_prog_t *prog = SVVM_prog;
 457         int i;
 458         Con_Printf("Client \"%s\" dropped\n", host_client->name);
 459
 460         SV_StopDemoRecording(host_client);
 461
 462         // make sure edict is not corrupt (from a level change for example)
 463         host_client->edict = PRVM_EDICT_NUM(host_client - svs.clients + 1);
 464
 465         if (host_client->netconnection)
 466         {
 467                 // tell the client to be gone
 468                 if (!crash)
 469                 {
 470                         // LordHavoc: no opportunity for resending, so use unreliable 3 times
 471                         unsigned char bufdata[8];
 472                         sizebuf_t buf;
 473                         memset(&buf, 0, sizeof(buf));
 474                         buf.data = bufdata;
 475                         buf.maxsize = sizeof(bufdata);
 476                         MSG_WriteByte(&buf, svc_disconnect);
 477                         NetConn_SendUnreliableMessage(host_client->netconnection, &buf, sv.protocol, 10000, false);
 478                         NetConn_SendUnreliableMessage(host_client->netconnection, &buf, sv.protocol, 10000, false);
 479                         NetConn_SendUnreliableMessage(host_client->netconnection, &buf, sv.protocol, 10000, false);
 480                 }
 481         }
 482
 483         // call qc ClientDisconnect function
 484         // LordHavoc: don't call QC if server is dead (avoids recursive
 485         // Host_Error in some mods when they run out of edicts)
 486         if (host_client->clientconnectcalled && sv.active && host_client->edict)
 487         {
 488                 // call the prog function for removing a client
 489                 // this will set the body to a dead frame, among other things
 490                 int saveSelf = PRVM_serverglobaledict(self);
 491                 host_client->clientconnectcalled = false;
 492                 PRVM_serverglobalfloat(time) = sv.time;
 493                 PRVM_serverglobaledict(self) = PRVM_EDICT_TO_PROG(host_client->edict);
 494                 prog->ExecuteProgram(prog, PRVM_serverfunction(ClientDisconnect), "QC function ClientDisconnect is missing");
 495                 PRVM_serverglobaledict(self) = saveSelf;
 496         }
 497
 498         if (host_client->netconnection)
 499         {
 500                 // break the net connection
 501                 NetConn_Close(host_client->netconnection);
 502                 host_client->netconnection = NULL;
 503         }
 504
 505         // if a download is active, close it
 506         if (host_client->download_file)
 507         {
 508                 Con_DPrintf("Download of %s aborted when %s dropped\n", host_client->download_name, host_client->name);
 509                 FS_Close(host_client->download_file);
 510                 host_client->download_file = NULL;
 511                 host_client->download_name[0] = 0;
 512                 host_client->download_expectedposition = 0;
 513                 host_client->download_started = false;
 514         }
 515
 516         // remove leaving player from scoreboard
 517         host_client->name[0] = 0;
 518         host_client->colors = 0;
 519         host_client->frags = 0;
 520         // send notification to all clients
 521         // get number of client manually just to make sure we get it right...
 522         i = host_client - svs.clients;
 523         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
 524         MSG_WriteByte (&sv.reliable_datagram, i);
 525         MSG_WriteString (&sv.reliable_datagram, host_client->name);
 526         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
 527         MSG_WriteByte (&sv.reliable_datagram, i);
 528         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
 529         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
 530         MSG_WriteByte (&sv.reliable_datagram, i);
 531         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
 532
 533         // free the client now
 534         if (host_client->entitydatabase)
 535                 EntityFrame_FreeDatabase(host_client->entitydatabase);
 536         if (host_client->entitydatabase4)
 537                 EntityFrame4_FreeDatabase(host_client->entitydatabase4);
 538         if (host_client->entitydatabase5)
 539                 EntityFrame5_FreeDatabase(host_client->entitydatabase5);
 540
 541         if (sv.active)
 542         {
 543                 // clear a fields that matter to DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS, and also frags
 544                 PRVM_ED_ClearEdict(prog, host_client->edict);
 545         }
 546
 547         // clear the client struct (this sets active to false)
 548         memset(host_client, 0, sizeof(*host_client));
 549
 550         // update server listing on the master because player count changed
 551         // (which the master uses for filtering empty/full servers)
 552         NetConn_Heartbeat(1);
 553
 554         if (sv.loadgame)
 555         {
 556                 for (i = 0;i < svs.maxclients;i++)
 557                         if (svs.clients[i].active && !svs.clients[i].spawned)
 558                                 break;
 559                 if (i == svs.maxclients)
 560                 {
 561                         Con_Printf("Loaded game, everyone rejoined - unpausing\n");
 562                         sv.paused = sv.loadgame = false; // we're basically done with loading now
 563                 }
 564         }
 565 }
 566
 567 /*
 568 ==================
 569 Host_ShutdownServer
 570
 571 This only happens at the end of a game, not between levels
 572 ==================
 573 */
 574 void Host_ShutdownServer(void)
 575 {
 576         prvm_prog_t *prog = SVVM_prog;
 577         int i;
 578
 579         Con_DPrintf("Host_ShutdownServer\n");
 580
 581         if (!sv.active)
 582                 return;
 583
 584         NetConn_Heartbeat(2);
 585         NetConn_Heartbeat(2);
 586
 587 // make sure all the clients know we're disconnecting
 588         World_End(&sv.world);
 589         if(prog->loaded)
 590         {
 591                 if(PRVM_serverfunction(SV_Shutdown))
 592                 {
 593                         func_t s = PRVM_serverfunction(SV_Shutdown);
 594                         PRVM_serverglobalfloat(time) = sv.time;
 595                         PRVM_serverfunction(SV_Shutdown) = 0; // prevent it from getting called again
 596                         prog->ExecuteProgram(prog, s,"SV_Shutdown() required");
 597                 }
 598         }
 599         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
 600                 if (host_client->active)
 601                         SV_DropClient(false); // server shutdown
 602
 603         NetConn_CloseServerPorts();
 604
 605         sv.active = false;
 606 //
 607 // clear structures
 608 //
 609         memset(&sv, 0, sizeof(sv));
 610         memset(svs.clients, 0, svs.maxclients*sizeof(client_t));
 611
 612         cl.islocalgame = false;
 613 }
 614
 615
 616 //============================================================================
 617
 618 /*
 619 ===================
 620 Host_GetConsoleCommands
 621
 622 Add them exactly as if they had been typed at the console
 623 ===================
 624 */
 625 static void Host_GetConsoleCommands (void)
 626 {
 627         char *cmd;
 628
 629         while (1)
 630         {
 631                 cmd = Sys_ConsoleInput ();
 632                 if (!cmd)
 633                         break;
 634                 Cbuf_AddText (cmd);
 635         }
 636 }
 637
 638 /*
 639 ==================
 640 Host_TimeReport
 641
 642 Returns a time report string, for example for
 643 ==================
 644 */
 645 const char *Host_TimingReport(char *buf, size_t buflen)
 646 {
 647         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);
 648 }
 649
 650 /*
 651 ==================
 652 Host_Frame
 653
 654 Runs all active servers
 655 ==================
 656 */
 657 static void Host_Init(void);
 658 void Host_Main(void)
 659 {
 660         double time1 = 0;
 661         double time2 = 0;
 662         double time3 = 0;
 663         double cl_timer = 0, sv_timer = 0;
 664         double clframetime, deltacleantime, olddirtytime, dirtytime;
 665         double wait;
 666         int pass1, pass2, pass3, i;
 667         char vabuf[1024];
 668
 669         Host_Init();
 670
 671         realtime = 0;
 672         dirtytime = Sys_DirtyTime();
 673         for (;;)
 674         {
 675                 if (setjmp(host_abortframe))
 676                 {
 677                         SCR_ClearLoadingScreen(false);
 678                         continue;                       // something bad happened, or the server disconnected
 679                 }
 680
 681                 olddirtytime = host_dirtytime;
 682                 dirtytime = Sys_DirtyTime();
 683                 deltacleantime = dirtytime - olddirtytime;
 684                 if (deltacleantime < 0)
 685                 {
 686                         // warn if it's significant
 687                         if (deltacleantime < -0.01)
 688                                 Con_Printf("Host_Mingled: time stepped backwards (went from %f to %f, difference %f)\n", olddirtytime, dirtytime, deltacleantime);
 689                         deltacleantime = 0;
 690                 }
 691                 else if (deltacleantime >= 1800)
 692                 {
 693                         Con_Printf("Host_Mingled: time stepped forward (went from %f to %f, difference %f)\n", olddirtytime, dirtytime, deltacleantime);
 694                         deltacleantime = 0;
 695                 }
 696                 realtime += deltacleantime;
 697                 host_dirtytime = dirtytime;
 698
 699                 cl_timer += deltacleantime;
 700                 sv_timer += deltacleantime;
 701
 702                 if (!svs.threaded)
 703                 {
 704                         svs.perf_acc_realtime += deltacleantime;
 705
 706                         // Look for clients who have spawned
 707                         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
 708                                 if(host_client->spawned)
 709                                         if(host_client->netconnection)
 710                                                 break;
 711                         if(i == svs.maxclients)
 712                         {
 713                                 // Nobody is looking? Then we won't do timing...
 714                                 // Instead, reset it to zero
 715                                 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;
 716                         }
 717                         else if(svs.perf_acc_realtime > 5)
 718                         {
 719                                 svs.perf_cpuload = 1 - svs.perf_acc_sleeptime / svs.perf_acc_realtime;
 720                                 svs.perf_lost = svs.perf_acc_lost / svs.perf_acc_realtime;
 721                                 if(svs.perf_acc_offset_samples > 0)
 722                                 {
 723                                         svs.perf_offset_max = svs.perf_acc_offset_max;
 724                                         svs.perf_offset_avg = svs.perf_acc_offset / svs.perf_acc_offset_samples;
 725                                         svs.perf_offset_sdev = sqrt(svs.perf_acc_offset_squared / svs.perf_acc_offset_samples - svs.perf_offset_avg * svs.perf_offset_avg);
 726                                 }
 727                                 if(svs.perf_lost > 0 && developer_extra.integer)
 728                                         Con_DPrintf("Server can't keep up: %s\n", Host_TimingReport(vabuf, sizeof(vabuf)));
 729                                 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;
 730                         }
 731                 }
 732
 733                 if (slowmo.value < 0.00001 && slowmo.value != 0)
 734                         Cvar_SetValue("slowmo", 0);
 735                 if (host_framerate.value < 0.00001 && host_framerate.value != 0)
 736                         Cvar_SetValue("host_framerate", 0);
 737
 738                 // keep the random time dependent, but not when playing demos/benchmarking
 739                 if(!*sv_random_seed.string && !cls.demoplayback)
 740                         rand();
 741
 742                 // get new key events
 743                 Key_EventQueue_Unblock();
 744                 SndSys_SendKeyEvents();
 745                 Sys_SendKeyEvents();
 746
 747                 NetConn_UpdateSockets();
 748
 749                 Log_DestBuffer_Flush();
 750
 751                 // receive packets on each main loop iteration, as the main loop may
 752                 // be undersleeping due to select() detecting a new packet
 753                 if (sv.active && !svs.threaded)
 754                         NetConn_ServerFrame();
 755
 756                 Curl_Run();
 757
 758                 // check for commands typed to the host
 759                 Host_GetConsoleCommands();
 760
 761                 // when a server is running we only execute console commands on server frames
 762                 // (this mainly allows frikbot .way config files to work properly by staying in sync with the server qc)
 763                 // otherwise we execute them on client frames
 764                 if (sv.active ? sv_timer > 0 : cl_timer > 0)
 765                 {
 766                         // process console commands
 767 //                      R_TimeReport("preconsole");
 768                         CL_VM_PreventInformationLeaks();
 769                         Cbuf_Frame();
 770 //                      R_TimeReport("console");
 771                 }
 772
 773                 //Con_Printf("%6.0f %6.0f\n", cl_timer * 1000000.0, sv_timer * 1000000.0);
 774
 775                 // if the accumulators haven't become positive yet, wait a while
 776                 if (cls.state == ca_dedicated)
 777                         wait = sv_timer * -1000000.0;
 778                 else if (!sv.active || svs.threaded)
 779                         wait = cl_timer * -1000000.0;
 780                 else
 781                         wait = max(cl_timer, sv_timer) * -1000000.0;
 782
 783                 if (!cls.timedemo && wait >= 1)
 784                 {
 785                         double time0, delta;
 786
 787                         if(host_maxwait.value <= 0)
 788                                 wait = min(wait, 1000000.0);
 789                         else
 790                                 wait = min(wait, host_maxwait.value * 1000.0);
 791                         if(wait < 1)
 792                                 wait = 1; // because we cast to int
 793
 794                         time0 = Sys_DirtyTime();
 795                         if (sv_checkforpacketsduringsleep.integer && !sys_usenoclockbutbenchmark.integer && !svs.threaded)
 796                                 NetConn_SleepMicroseconds((int)wait);
 797                         else
 798                                 Sys_Sleep((int)wait);
 799                         delta = Sys_DirtyTime() - time0;
 800                         if (delta < 0 || delta >= 1800) delta = 0;
 801                         if (!svs.threaded)
 802                                 svs.perf_acc_sleeptime += delta;
 803 //                      R_TimeReport("sleep");
 804                         continue;
 805                 }
 806
 807                 // limit the frametime steps to no more than 100ms each
 808                 if (cl_timer > 0.1)
 809                         cl_timer = 0.1;
 810                 if (sv_timer > 0.1)
 811                 {
 812                         if (!svs.threaded)
 813                                 svs.perf_acc_lost += (sv_timer - 0.1);
 814                         sv_timer = 0.1;
 815                 }
 816
 817                 R_TimeReport("---");
 818
 819         //-------------------
 820         //
 821         // server operations
 822         //
 823         //-------------------
 824
 825                 // limit the frametime steps to no more than 100ms each
 826                 if (sv.active && sv_timer > 0 && !svs.threaded)
 827                 {
 828                         // execute one or more server frames, with an upper limit on how much
 829                         // execution time to spend on server frames to avoid freezing the game if
 830                         // the server is overloaded, this execution time limit means the game will
 831                         // slow down if the server is taking too long.
 832                         int framecount, framelimit = 1;
 833                         double advancetime, aborttime = 0;
 834                         float offset;
 835                         prvm_prog_t *prog = SVVM_prog;
 836
 837                         // run the world state
 838                         // don't allow simulation to run too fast or too slow or logic glitches can occur
 839
 840                         // stop running server frames if the wall time reaches this value
 841                         if (sys_ticrate.value <= 0)
 842                                 advancetime = sv_timer;
 843                         else if (cl.islocalgame && !sv_fixedframeratesingleplayer.integer)
 844                         {
 845                                 // synchronize to the client frametime, but no less than 10ms and no more than 100ms
 846                                 advancetime = bound(0.01, cl_timer, 0.1);
 847                         }
 848                         else
 849                         {
 850                                 advancetime = sys_ticrate.value;
 851                                 // listen servers can run multiple server frames per client frame
 852                                 framelimit = cl_maxphysicsframesperserverframe.integer;
 853                                 aborttime = Sys_DirtyTime() + 0.1;
 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() - dirtytime;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 static qfile_t *locksession_fh = NULL;
1080 static qboolean locksession_run = false;
1081 static void Host_InitSession(void)
1082 {
1083         int i;
1084         Cvar_RegisterVariable(&sessionid);
1085         Cvar_RegisterVariable(&locksession);
1086
1087         // load the session ID into the read-only cvar
1088         if ((i = COM_CheckParm("-sessionid")) && (i + 1 < com_argc))
1089         {
1090                 char vabuf[1024];
1091                 if(com_argv[i+1][0] == '.')
1092                         Cvar_SetQuick(&sessionid, com_argv[i+1]);
1093                 else
1094                         Cvar_SetQuick(&sessionid, va(vabuf, sizeof(vabuf), ".%s", com_argv[i+1]));
1095         }
1096 }
1097 void Host_LockSession(void)
1098 {
1099         if(locksession_run)
1100                 return;
1101         locksession_run = true;
1102         if(locksession.integer != 0)
1103         {
1104                 char vabuf[1024];
1105                 char *p = va(vabuf, sizeof(vabuf), "%slock%s", *fs_userdir ? fs_userdir : fs_basedir, sessionid.string);
1106                 FS_CreatePath(p);
1107                 locksession_fh = FS_SysOpen(p, "wl", false);
1108                 // TODO maybe write the pid into the lockfile, while we are at it? may help server management tools
1109                 if(!locksession_fh)
1110                 {
1111                         if(locksession.integer == 2)
1112                         {
1113                                 Con_Printf("WARNING: session lock %s could not be acquired. Please run with -sessionid and an unique session name. Continuing anyway.\n", p);
1114                         }
1115                         else
1116                         {
1117                                 Sys_Error("session lock %s could not be acquired. Please run with -sessionid and an unique session name.\n", p);
1118                         }
1119                 }
1120         }
1121 }
1122 void Host_UnlockSession(void)
1123 {
1124         if(!locksession_run)
1125                 return;
1126         locksession_run = false;
1127
1128         if(locksession_fh)
1129         {
1130                 FS_Close(locksession_fh);
1131                 // NOTE: we can NOT unlink the lock here, as doing so would
1132                 // create a race condition if another process created it
1133                 // between our close and our unlink
1134                 locksession_fh = NULL;
1135         }
1136 }
1137
1138 /*
1139 ====================
1140 Host_Init
1141 ====================
1142 */
1143 static void Host_Init (void)
1144 {
1145         int i;
1146         const char* os;
1147         char vabuf[1024];
1148
1149         if (COM_CheckParm("-profilegameonly"))
1150                 Sys_AllowProfiling(false);
1151
1152         // LordHavoc: quake never seeded the random number generator before... heh
1153         if (COM_CheckParm("-benchmark"))
1154                 srand(0); // predictable random sequence for -benchmark
1155         else
1156                 srand((unsigned int)time(NULL));
1157
1158         // FIXME: this is evil, but possibly temporary
1159         // LordHavoc: doesn't seem very temporary...
1160         // LordHavoc: made this a saved cvar
1161 // COMMANDLINEOPTION: Console: -developer enables warnings and other notices (RECOMMENDED for mod developers)
1162         if (COM_CheckParm("-developer"))
1163         {
1164                 developer.value = developer.integer = 1;
1165                 developer.string = "1";
1166         }
1167
1168         if (COM_CheckParm("-developer2") || COM_CheckParm("-developer3"))
1169         {
1170                 developer.value = developer.integer = 1;
1171                 developer.string = "1";
1172                 developer_extra.value = developer_extra.integer = 1;
1173                 developer_extra.string = "1";
1174                 developer_insane.value = developer_insane.integer = 1;
1175                 developer_insane.string = "1";
1176                 developer_memory.value = developer_memory.integer = 1;
1177                 developer_memory.string = "1";
1178                 developer_memorydebug.value = developer_memorydebug.integer = 1;
1179                 developer_memorydebug.string = "1";
1180         }
1181
1182         if (COM_CheckParm("-developer3"))
1183         {
1184                 gl_paranoid.integer = 1;gl_paranoid.string = "1";
1185                 gl_printcheckerror.integer = 1;gl_printcheckerror.string = "1";
1186         }
1187
1188 // COMMANDLINEOPTION: Console: -nostdout disables text output to the terminal the game was launched from
1189         if (COM_CheckParm("-nostdout"))
1190                 sys_nostdout = 1;
1191
1192         // used by everything
1193         Memory_Init();
1194
1195         // initialize console command/cvar/alias/command execution systems
1196         Cmd_Init();
1197
1198         // initialize memory subsystem cvars/commands
1199         Memory_Init_Commands();
1200
1201         // initialize console and logging and its cvars/commands
1202         Con_Init();
1203
1204         // initialize various cvars that could not be initialized earlier
1205         u8_Init();
1206         Curl_Init_Commands();
1207         Cmd_Init_Commands();
1208         Sys_Init_Commands();
1209         COM_Init_Commands();
1210         FS_Init_Commands();
1211
1212         // initialize console window (only used by sys_win.c)
1213         Sys_InitConsole();
1214
1215         // initialize the self-pack (must be before COM_InitGameType as it may add command line options)
1216         FS_Init_SelfPack();
1217
1218         // detect gamemode from commandline options or executable name
1219         COM_InitGameType();
1220
1221         // construct a version string for the corner of the console
1222         os = DP_OS_NAME;
1223         dpsnprintf (engineversion, sizeof (engineversion), "%s %s %s", gamename, os, buildstring);
1224         Con_Printf("%s\n", engineversion);
1225
1226         // initialize process nice level
1227         Sys_InitProcessNice();
1228
1229         // initialize ixtable
1230         Mathlib_Init();
1231
1232         // initialize filesystem (including fs_basedir, fs_gamedir, -game, scr_screenshot_name)
1233         FS_Init();
1234
1235         // register the cvars for session locking
1236         Host_InitSession();
1237
1238         // must be after FS_Init
1239         Crypto_Init();
1240         Crypto_Init_Commands();
1241
1242         NetConn_Init();
1243         Curl_Init();
1244         //PR_Init();
1245         //PR_Cmd_Init();
1246         PRVM_Init();
1247         Mod_Init();
1248         World_Init();
1249         SV_Init();
1250         V_Init(); // some cvars needed by server player physics (cl_rollangle etc)
1251         Host_InitCommands();
1252         Host_InitLocal();
1253         Host_ServerOptions();
1254
1255         Thread_Init();
1256
1257         if (cls.state == ca_dedicated)
1258                 Cmd_AddCommand ("disconnect", CL_Disconnect_f, "disconnect from server (or disconnect all clients if running a server)");
1259         else
1260         {
1261                 Con_DPrintf("Initializing client\n");
1262
1263                 R_Modules_Init();
1264                 Palette_Init();
1265                 MR_Init_Commands();
1266                 VID_Shared_Init();
1267                 VID_Init();
1268                 Render_Init();
1269                 S_Init();
1270                 CDAudio_Init();
1271                 Key_Init();
1272                 CL_Init();
1273         }
1274
1275         // save off current state of aliases, commands and cvars for later restore if FS_GameDir_f is called
1276         // NOTE: menu commands are freed by Cmd_RestoreInitState
1277         Cmd_SaveInitState();
1278
1279         // FIXME: put this into some neat design, but the menu should be allowed to crash
1280         // without crashing the whole game, so this should just be a short-time solution
1281
1282         // here comes the not so critical stuff
1283         if (setjmp(host_abortframe)) {
1284                 return;
1285         }
1286
1287         Host_AddConfigText();
1288         Cbuf_Execute();
1289
1290         // if stuffcmds wasn't run, then quake.rc is probably missing, use default
1291         if (!host_stuffcmdsrun)
1292         {
1293                 Cbuf_AddText("exec default.cfg\nexec " CONFIGFILENAME "\nexec autoexec.cfg\nstuffcmds\n");
1294                 Cbuf_Execute();
1295         }
1296
1297         // put up the loading image so the user doesn't stare at a black screen...
1298         SCR_BeginLoadingPlaque();
1299
1300         if (cls.state != ca_dedicated)
1301         {
1302                 MR_Init();
1303         }
1304
1305         // check for special benchmark mode
1306 // 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)
1307         i = COM_CheckParm("-benchmark");
1308         if (i && i + 1 < com_argc)
1309         if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1310         {
1311                 Cbuf_AddText(va(vabuf, sizeof(vabuf), "timedemo %s\n", com_argv[i + 1]));
1312                 Cbuf_Execute();
1313         }
1314
1315         // check for special demo mode
1316 // COMMANDLINEOPTION: Client: -demo <demoname> runs a playdemo and quits
1317         i = COM_CheckParm("-demo");
1318         if (i && i + 1 < com_argc)
1319         if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1320         {
1321                 Cbuf_AddText(va(vabuf, sizeof(vabuf), "playdemo %s\n", com_argv[i + 1]));
1322                 Cbuf_Execute();
1323         }
1324
1325 // COMMANDLINEOPTION: Client: -capturedemo <demoname> captures a playdemo and quits
1326         i = COM_CheckParm("-capturedemo");
1327         if (i && i + 1 < com_argc)
1328         if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1329         {
1330                 Cbuf_AddText(va(vabuf, sizeof(vabuf), "playdemo %s\ncl_capturevideo 1\n", com_argv[i + 1]));
1331                 Cbuf_Execute();
1332         }
1333
1334         if (cls.state == ca_dedicated || COM_CheckParm("-listen"))
1335         if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1336         {
1337                 Cbuf_AddText("startmap_dm\n");
1338                 Cbuf_Execute();
1339         }
1340
1341         if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1342         {
1343                 Cbuf_AddText("togglemenu\n");
1344                 Cbuf_Execute();
1345         }
1346
1347         Con_DPrint("========Initialized=========\n");
1348
1349         //Host_StartVideo();
1350
1351         if (cls.state != ca_dedicated)
1352                 SV_StartThread();
1353 }
1354
1355
1356 /*
1357 ===============
1358 Host_Shutdown
1359
1360 FIXME: this is a callback from Sys_Quit and Sys_Error.  It would be better
1361 to run quit through here before the final handoff to the sys code.
1362 ===============
1363 */
1364 void Host_Shutdown(void)
1365 {
1366         static qboolean isdown = false;
1367
1368         if (isdown)
1369         {
1370                 Con_Print("recursive shutdown\n");
1371                 return;
1372         }
1373         if (setjmp(host_abortframe))
1374         {
1375                 Con_Print("aborted the quitting frame?!?\n");
1376                 return;
1377         }
1378         isdown = true;
1379
1380         // be quiet while shutting down
1381         S_StopAllSounds();
1382
1383         // end the server thread
1384         if (svs.threaded)
1385                 SV_StopThread();
1386
1387         // disconnect client from server if active
1388         CL_Disconnect();
1389
1390         // shut down local server if active
1391         SV_LockThreadMutex();
1392         Host_ShutdownServer ();
1393         SV_UnlockThreadMutex();
1394
1395         // Shutdown menu
1396         if(MR_Shutdown)
1397                 MR_Shutdown();
1398
1399         // AK shutdown PRVM
1400         // AK hmm, no PRVM_Shutdown(); yet
1401
1402         CL_Video_Shutdown();
1403
1404         Host_SaveConfig();
1405
1406         CDAudio_Shutdown ();
1407         S_Terminate ();
1408         Curl_Shutdown ();
1409         NetConn_Shutdown ();
1410         //PR_Shutdown ();
1411
1412         if (cls.state != ca_dedicated)
1413         {
1414                 R_Modules_Shutdown();
1415                 VID_Shutdown();
1416         }
1417
1418         SV_StopThread();
1419         Thread_Shutdown();
1420         Cmd_Shutdown();
1421         Key_Shutdown();
1422         CL_Shutdown();
1423         Sys_Shutdown();
1424         Log_Close();
1425         Crypto_Shutdown();
1426
1427         Host_UnlockSession();
1428
1429         S_Shutdown();
1430         Con_Shutdown();
1431         Memory_Shutdown();
1432 }
1433