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
  34 /*
  35
  36 A server can always be started, even if the system started out as a client
  37 to a remote system.
  38
  39 A client can NOT be started if the system started as a dedicated server.
  40
  41 Memory is cleared / released when a server or client begins, not when they end.
  42
  43 */
  44
  45 // how many frames have occurred
  46 // (checked by Host_Error and Host_SaveConfig_f)
  47 int host_framecount = 0;
  48 // LordHavoc: set when quit is executed
  49 qboolean host_shuttingdown = false;
  50
  51 // the real time since application started, without any slowmo or clamping
  52 double realtime;
  53
  54 // current client
  55 client_t *host_client;
  56
  57 jmp_buf host_abortframe;
  58 double host_starttime = 0;
  59
  60 // pretend frames take this amount of time (in seconds), 0 = realtime
  61 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"};
  62 cvar_t cl_maxphysicsframesperserverframe = {0, "cl_maxphysicsframesperserverframe","10", "maximum number of physics frames per server frame"};
  63 // shows time used by certain subsystems
  64 cvar_t host_speeds = {0, "host_speeds","0", "reports how much time is used in server/graphics/sound"};
  65 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."};
  66 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"};
  67 cvar_t cl_minfps_fade = {CVAR_SAVE, "cl_minfps_fade", "0.2", "how fast the quality adapts to varying framerate"};
  68 cvar_t cl_minfps_qualitymax = {CVAR_SAVE, "cl_minfps_qualitymax", "1", "highest allowed drawdistance multiplier"};
  69 cvar_t cl_minfps_qualitymin = {CVAR_SAVE, "cl_minfps_qualitymin", "0.25", "lowest allowed drawdistance multiplier"};
  70 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"};
  71 cvar_t cl_minfps_qualityscale = {CVAR_SAVE, "cl_minfps_qualityscale", "0.5", "multiplier for quality"};
  72 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)"};
  73 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"};
  74 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"};
  75
  76 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"};
  77 cvar_t developer_extra = {0, "developer_extra", "0", "prints additional debugging messages, often very verbose!"};
  78 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!"};
  79 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)"};
  80 cvar_t developer_loading = {0, "developer_loading","0", "prints information about files as they are loaded or unloaded successfully"};
  81 cvar_t developer_entityparsing = {0, "developer_entityparsing", "0", "prints detailed network entities information each time a packet is received"};
  82
  83 cvar_t timestamps = {CVAR_SAVE, "timestamps", "0", "prints timestamps on console messages"};
  84 cvar_t timeformat = {CVAR_SAVE, "timeformat", "[%Y-%m-%d %H:%M:%S] ", "time format to use on timestamped console messages"};
  85
  86 /*
  87 ================
  88 Host_AbortCurrentFrame
  89
  90 aborts the current host frame and goes on with the next one
  91 ================
  92 */
  93 void Host_AbortCurrentFrame(void)
  94 {
  95         longjmp (host_abortframe, 1);
  96 }
  97
  98 /*
  99 ================
 100 Host_Error
 101
 102 This shuts down both the client and server
 103 ================
 104 */
 105 void Host_Error (const char *error, ...)
 106 {
 107         static char hosterrorstring1[MAX_INPUTLINE];
 108         static char hosterrorstring2[MAX_INPUTLINE];
 109         static qboolean hosterror = false;
 110         va_list argptr;
 111
 112         // turn off rcon redirect if it was active when the crash occurred
 113         // to prevent loops when it is a networking problem
 114         Con_Rcon_Redirect_Abort();
 115
 116         va_start (argptr,error);
 117         dpvsnprintf (hosterrorstring1,sizeof(hosterrorstring1),error,argptr);
 118         va_end (argptr);
 119
 120         Con_Printf("Host_Error: %s\n", hosterrorstring1);
 121
 122         // LordHavoc: if crashing very early, or currently shutting down, do
 123         // Sys_Error instead
 124         if (host_framecount < 3 || host_shuttingdown)
 125                 Sys_Error ("Host_Error: %s", hosterrorstring1);
 126
 127         if (hosterror)
 128                 Sys_Error ("Host_Error: recursively entered (original error was: %s    new error is: %s)", hosterrorstring2, hosterrorstring1);
 129         hosterror = true;
 130
 131         strlcpy(hosterrorstring2, hosterrorstring1, sizeof(hosterrorstring2));
 132
 133         CL_Parse_DumpPacket();
 134
 135         CL_Parse_ErrorCleanUp();
 136
 137         //PR_Crash();
 138
 139         // print out where the crash happened, if it was caused by QC (and do a cleanup)
 140         PRVM_Crash();
 141
 142
 143         Host_ShutdownServer ();
 144
 145         if (cls.state == ca_dedicated)
 146                 Sys_Error ("Host_Error: %s",hosterrorstring2);  // dedicated servers exit
 147
 148         CL_Disconnect ();
 149         cls.demonum = -1;
 150
 151         hosterror = false;
 152
 153         Host_AbortCurrentFrame();
 154 }
 155
 156 void Host_ServerOptions (void)
 157 {
 158         int i;
 159
 160         // general default
 161         svs.maxclients = 8;
 162
 163 // COMMANDLINEOPTION: Server: -dedicated [playerlimit] starts a dedicated server (with a command console), default playerlimit is 8
 164 // COMMANDLINEOPTION: Server: -listen [playerlimit] starts a multiplayer server with graphical client, like singleplayer but other players can connect, default playerlimit is 8
 165         // if no client is in the executable or -dedicated is specified on
 166         // commandline, start a dedicated server
 167         i = COM_CheckParm ("-dedicated");
 168         if (i || !cl_available)
 169         {
 170                 cls.state = ca_dedicated;
 171                 // check for -dedicated specifying how many players
 172                 if (i && i + 1 < com_argc && atoi (com_argv[i+1]) >= 1)
 173                         svs.maxclients = atoi (com_argv[i+1]);
 174                 if (COM_CheckParm ("-listen"))
 175                         Con_Printf ("Only one of -dedicated or -listen can be specified\n");
 176                 // default sv_public on for dedicated servers (often hosted by serious administrators), off for listen servers (often hosted by clueless users)
 177                 Cvar_SetValue("sv_public", 1);
 178         }
 179         else if (cl_available)
 180         {
 181                 // client exists and not dedicated, check if -listen is specified
 182                 cls.state = ca_disconnected;
 183                 i = COM_CheckParm ("-listen");
 184                 if (i)
 185                 {
 186                         // default players unless specified
 187                         if (i + 1 < com_argc && atoi (com_argv[i+1]) >= 1)
 188                                 svs.maxclients = atoi (com_argv[i+1]);
 189                 }
 190                 else
 191                 {
 192                         // default players in some games, singleplayer in most
 193                         if (gamemode != GAME_GOODVSBAD2 && gamemode != GAME_NEXUIZ && gamemode != GAME_XONOTIC && gamemode != GAME_BATTLEMECH)
 194                                 svs.maxclients = 1;
 195                 }
 196         }
 197
 198         svs.maxclients = svs.maxclients_next = bound(1, svs.maxclients, MAX_SCOREBOARD);
 199
 200         svs.clients = (client_t *)Mem_Alloc(sv_mempool, sizeof(client_t) * svs.maxclients);
 201
 202         if (svs.maxclients > 1 && !deathmatch.integer && !coop.integer)
 203                 Cvar_SetValueQuick(&deathmatch, 1);
 204 }
 205
 206 /*
 207 =======================
 208 Host_InitLocal
 209 ======================
 210 */
 211 void Host_SaveConfig_f(void);
 212 void Host_LoadConfig_f(void);
 213 extern cvar_t sv_writepicture_quality;
 214 extern cvar_t r_texture_jpeg_fastpicmip;
 215 static void Host_InitLocal (void)
 216 {
 217         Cmd_AddCommand("saveconfig", Host_SaveConfig_f, "save settings to config.cfg (or a specified filename) immediately (also automatic when quitting)");
 218         Cmd_AddCommand("loadconfig", Host_LoadConfig_f, "reset everything and reload configs");
 219
 220         Cvar_RegisterVariable (&cl_maxphysicsframesperserverframe);
 221         Cvar_RegisterVariable (&host_framerate);
 222         Cvar_RegisterVariable (&host_speeds);
 223         Cvar_RegisterVariable (&host_maxwait);
 224         Cvar_RegisterVariable (&cl_minfps);
 225         Cvar_RegisterVariable (&cl_minfps_fade);
 226         Cvar_RegisterVariable (&cl_minfps_qualitymax);
 227         Cvar_RegisterVariable (&cl_minfps_qualitymin);
 228         Cvar_RegisterVariable (&cl_minfps_qualitypower);
 229         Cvar_RegisterVariable (&cl_minfps_qualityscale);
 230         Cvar_RegisterVariable (&cl_maxfps);
 231         Cvar_RegisterVariable (&cl_maxfps_alwayssleep);
 232         Cvar_RegisterVariable (&cl_maxidlefps);
 233
 234         Cvar_RegisterVariable (&developer);
 235         Cvar_RegisterVariable (&developer_extra);
 236         Cvar_RegisterVariable (&developer_insane);
 237         Cvar_RegisterVariable (&developer_loadfile);
 238         Cvar_RegisterVariable (&developer_loading);
 239         Cvar_RegisterVariable (&developer_entityparsing);
 240
 241         Cvar_RegisterVariable (&timestamps);
 242         Cvar_RegisterVariable (&timeformat);
 243
 244         Cvar_RegisterVariable (&sv_writepicture_quality);
 245         Cvar_RegisterVariable (&r_texture_jpeg_fastpicmip);
 246 }
 247
 248
 249 /*
 250 ===============
 251 Host_SaveConfig_f
 252
 253 Writes key bindings and archived cvars to config.cfg
 254 ===============
 255 */
 256 void Host_SaveConfig_to(const char *file)
 257 {
 258         qfile_t *f;
 259
 260 // dedicated servers initialize the host but don't parse and set the
 261 // config.cfg cvars
 262         // LordHavoc: don't save a config if it crashed in startup
 263         if (host_framecount >= 3 && cls.state != ca_dedicated && !COM_CheckParm("-benchmark") && !COM_CheckParm("-capturedemo"))
 264         {
 265                 f = FS_OpenRealFile(file, "wb", false);
 266                 if (!f)
 267                 {
 268                         Con_Printf("Couldn't write %s.\n", file);
 269                         return;
 270                 }
 271
 272                 Key_WriteBindings (f);
 273                 Cvar_WriteVariables (f);
 274
 275                 FS_Close (f);
 276         }
 277 }
 278 void Host_SaveConfig(void)
 279 {
 280         Host_SaveConfig_to(CONFIGFILENAME);
 281 }
 282 void Host_SaveConfig_f(void)
 283 {
 284         const char *file = CONFIGFILENAME;
 285
 286         if(Cmd_Argc() >= 2) {
 287                 file = Cmd_Argv(1);
 288                 Con_Printf("Saving to %s\n", file);
 289         }
 290
 291         Host_SaveConfig_to(file);
 292 }
 293
 294 void Host_AddConfigText(void)
 295 {
 296         // set up the default startmap_sp and startmap_dm aliases (mods can
 297         // override these) and then execute the quake.rc startup script
 298         if (gamemode == GAME_NEHAHRA)
 299                 Cbuf_InsertText("alias startmap_sp \"map nehstart\"\nalias startmap_dm \"map nehstart\"\nexec " STARTCONFIGFILENAME "\n");
 300         else if (gamemode == GAME_TRANSFUSION)
 301                 Cbuf_InsertText("alias startmap_sp \"map e1m1\"\n""alias startmap_dm \"map bb1\"\nexec " STARTCONFIGFILENAME "\n");
 302         else if (gamemode == GAME_TEU)
 303                 Cbuf_InsertText("alias startmap_sp \"map start\"\nalias startmap_dm \"map start\"\nexec teu.rc\n");
 304         else
 305                 Cbuf_InsertText("alias startmap_sp \"map start\"\nalias startmap_dm \"map start\"\nexec " STARTCONFIGFILENAME "\n");
 306 }
 307
 308 /*
 309 ===============
 310 Host_LoadConfig_f
 311
 312 Resets key bindings and cvars to defaults and then reloads scripts
 313 ===============
 314 */
 315 void Host_LoadConfig_f(void)
 316 {
 317         // reset all cvars, commands and aliases to init values
 318         Cmd_RestoreInitState();
 319         // prepend a menu restart command to execute after the config
 320         Cbuf_InsertText("\nmenu_restart\n");
 321         // reset cvars to their defaults, and then exec startup scripts again
 322         Host_AddConfigText();
 323 }
 324
 325 /*
 326 =================
 327 SV_ClientPrint
 328
 329 Sends text across to be displayed
 330 FIXME: make this just a stuffed echo?
 331 =================
 332 */
 333 void SV_ClientPrint(const char *msg)
 334 {
 335         if (host_client->netconnection)
 336         {
 337                 MSG_WriteByte(&host_client->netconnection->message, svc_print);
 338                 MSG_WriteString(&host_client->netconnection->message, msg);
 339         }
 340 }
 341
 342 /*
 343 =================
 344 SV_ClientPrintf
 345
 346 Sends text across to be displayed
 347 FIXME: make this just a stuffed echo?
 348 =================
 349 */
 350 void SV_ClientPrintf(const char *fmt, ...)
 351 {
 352         va_list argptr;
 353         char msg[MAX_INPUTLINE];
 354
 355         va_start(argptr,fmt);
 356         dpvsnprintf(msg,sizeof(msg),fmt,argptr);
 357         va_end(argptr);
 358
 359         SV_ClientPrint(msg);
 360 }
 361
 362 /*
 363 =================
 364 SV_BroadcastPrint
 365
 366 Sends text to all active clients
 367 =================
 368 */
 369 void SV_BroadcastPrint(const char *msg)
 370 {
 371         int i;
 372         client_t *client;
 373
 374         for (i = 0, client = svs.clients;i < svs.maxclients;i++, client++)
 375         {
 376                 if (client->active && client->netconnection)
 377                 {
 378                         MSG_WriteByte(&client->netconnection->message, svc_print);
 379                         MSG_WriteString(&client->netconnection->message, msg);
 380                 }
 381         }
 382
 383         if (sv_echobprint.integer && cls.state == ca_dedicated)
 384                 Con_Print(msg);
 385 }
 386
 387 /*
 388 =================
 389 SV_BroadcastPrintf
 390
 391 Sends text to all active clients
 392 =================
 393 */
 394 void SV_BroadcastPrintf(const char *fmt, ...)
 395 {
 396         va_list argptr;
 397         char msg[MAX_INPUTLINE];
 398
 399         va_start(argptr,fmt);
 400         dpvsnprintf(msg,sizeof(msg),fmt,argptr);
 401         va_end(argptr);
 402
 403         SV_BroadcastPrint(msg);
 404 }
 405
 406 /*
 407 =================
 408 Host_ClientCommands
 409
 410 Send text over to the client to be executed
 411 =================
 412 */
 413 void Host_ClientCommands(const char *fmt, ...)
 414 {
 415         va_list argptr;
 416         char string[MAX_INPUTLINE];
 417
 418         if (!host_client->netconnection)
 419                 return;
 420
 421         va_start(argptr,fmt);
 422         dpvsnprintf(string, sizeof(string), fmt, argptr);
 423         va_end(argptr);
 424
 425         MSG_WriteByte(&host_client->netconnection->message, svc_stufftext);
 426         MSG_WriteString(&host_client->netconnection->message, string);
 427 }
 428
 429 /*
 430 =====================
 431 SV_DropClient
 432
 433 Called when the player is getting totally kicked off the host
 434 if (crash = true), don't bother sending signofs
 435 =====================
 436 */
 437 void SV_DropClient(qboolean crash)
 438 {
 439         int i;
 440         Con_Printf("Client \"%s\" dropped\n", host_client->name);
 441
 442         SV_StopDemoRecording(host_client);
 443
 444         // make sure edict is not corrupt (from a level change for example)
 445         host_client->edict = PRVM_EDICT_NUM(host_client - svs.clients + 1);
 446
 447         if (host_client->netconnection)
 448         {
 449                 // tell the client to be gone
 450                 if (!crash)
 451                 {
 452                         // LordHavoc: no opportunity for resending, so use unreliable 3 times
 453                         unsigned char bufdata[8];
 454                         sizebuf_t buf;
 455                         memset(&buf, 0, sizeof(buf));
 456                         buf.data = bufdata;
 457                         buf.maxsize = sizeof(bufdata);
 458                         MSG_WriteByte(&buf, svc_disconnect);
 459                         NetConn_SendUnreliableMessage(host_client->netconnection, &buf, sv.protocol, 10000, false);
 460                         NetConn_SendUnreliableMessage(host_client->netconnection, &buf, sv.protocol, 10000, false);
 461                         NetConn_SendUnreliableMessage(host_client->netconnection, &buf, sv.protocol, 10000, false);
 462                 }
 463         }
 464
 465         // call qc ClientDisconnect function
 466         // LordHavoc: don't call QC if server is dead (avoids recursive
 467         // Host_Error in some mods when they run out of edicts)
 468         if (host_client->clientconnectcalled && sv.active && host_client->edict)
 469         {
 470                 // call the prog function for removing a client
 471                 // this will set the body to a dead frame, among other things
 472                 int saveSelf = PRVM_serverglobaledict(self);
 473                 host_client->clientconnectcalled = false;
 474                 PRVM_serverglobaledict(self) = PRVM_EDICT_TO_PROG(host_client->edict);
 475                 PRVM_ExecuteProgram(PRVM_serverfunction(ClientDisconnect), "QC function ClientDisconnect is missing");
 476                 PRVM_serverglobaledict(self) = saveSelf;
 477         }
 478
 479         if (host_client->netconnection)
 480         {
 481                 // break the net connection
 482                 NetConn_Close(host_client->netconnection);
 483                 host_client->netconnection = NULL;
 484         }
 485
 486         // if a download is active, close it
 487         if (host_client->download_file)
 488         {
 489                 Con_DPrintf("Download of %s aborted when %s dropped\n", host_client->download_name, host_client->name);
 490                 FS_Close(host_client->download_file);
 491                 host_client->download_file = NULL;
 492                 host_client->download_name[0] = 0;
 493                 host_client->download_expectedposition = 0;
 494                 host_client->download_started = false;
 495         }
 496
 497         // remove leaving player from scoreboard
 498         host_client->name[0] = 0;
 499         host_client->colors = 0;
 500         host_client->frags = 0;
 501         // send notification to all clients
 502         // get number of client manually just to make sure we get it right...
 503         i = host_client - svs.clients;
 504         MSG_WriteByte (&sv.reliable_datagram, svc_updatename);
 505         MSG_WriteByte (&sv.reliable_datagram, i);
 506         MSG_WriteString (&sv.reliable_datagram, host_client->name);
 507         MSG_WriteByte (&sv.reliable_datagram, svc_updatecolors);
 508         MSG_WriteByte (&sv.reliable_datagram, i);
 509         MSG_WriteByte (&sv.reliable_datagram, host_client->colors);
 510         MSG_WriteByte (&sv.reliable_datagram, svc_updatefrags);
 511         MSG_WriteByte (&sv.reliable_datagram, i);
 512         MSG_WriteShort (&sv.reliable_datagram, host_client->frags);
 513
 514         // free the client now
 515         if (host_client->entitydatabase)
 516                 EntityFrame_FreeDatabase(host_client->entitydatabase);
 517         if (host_client->entitydatabase4)
 518                 EntityFrame4_FreeDatabase(host_client->entitydatabase4);
 519         if (host_client->entitydatabase5)
 520                 EntityFrame5_FreeDatabase(host_client->entitydatabase5);
 521
 522         if (sv.active)
 523         {
 524                 // clear a fields that matter to DP_SV_CLIENTNAME and DP_SV_CLIENTCOLORS, and also frags
 525                 PRVM_ED_ClearEdict(host_client->edict);
 526         }
 527
 528         // clear the client struct (this sets active to false)
 529         memset(host_client, 0, sizeof(*host_client));
 530
 531         // update server listing on the master because player count changed
 532         // (which the master uses for filtering empty/full servers)
 533         NetConn_Heartbeat(1);
 534
 535         if (sv.loadgame)
 536         {
 537                 for (i = 0;i < svs.maxclients;i++)
 538                         if (svs.clients[i].active && !svs.clients[i].spawned)
 539                                 break;
 540                 if (i == svs.maxclients)
 541                 {
 542                         Con_Printf("Loaded game, everyone rejoined - unpausing\n");
 543                         sv.paused = sv.loadgame = false; // we're basically done with loading now
 544                 }
 545         }
 546 }
 547
 548 /*
 549 ==================
 550 Host_ShutdownServer
 551
 552 This only happens at the end of a game, not between levels
 553 ==================
 554 */
 555 void Host_ShutdownServer(void)
 556 {
 557         int i;
 558
 559         Con_DPrintf("Host_ShutdownServer\n");
 560
 561         if (!sv.active)
 562                 return;
 563
 564         NetConn_Heartbeat(2);
 565         NetConn_Heartbeat(2);
 566
 567 // make sure all the clients know we're disconnecting
 568         SV_VM_Begin();
 569         World_End(&sv.world);
 570         if(prog->loaded)
 571                 if(PRVM_serverfunction(SV_Shutdown))
 572                 {
 573                         func_t s = PRVM_serverfunction(SV_Shutdown);
 574                         PRVM_serverfunction(SV_Shutdown) = 0; // prevent it from getting called again
 575                         PRVM_ExecuteProgram(s,"SV_Shutdown() required");
 576                 }
 577         for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
 578                 if (host_client->active)
 579                         SV_DropClient(false); // server shutdown
 580         SV_VM_End();
 581
 582         NetConn_CloseServerPorts();
 583
 584         sv.active = false;
 585 //
 586 // clear structures
 587 //
 588         memset(&sv, 0, sizeof(sv));
 589         memset(svs.clients, 0, svs.maxclients*sizeof(client_t));
 590 }
 591
 592
 593 //============================================================================
 594
 595 /*
 596 ===================
 597 Host_GetConsoleCommands
 598
 599 Add them exactly as if they had been typed at the console
 600 ===================
 601 */
 602 void Host_GetConsoleCommands (void)
 603 {
 604         char *cmd;
 605
 606         while (1)
 607         {
 608                 cmd = Sys_ConsoleInput ();
 609                 if (!cmd)
 610                         break;
 611                 Cbuf_AddText (cmd);
 612         }
 613 }
 614
 615 /*
 616 ==================
 617 Host_TimeReport
 618
 619 Returns a time report string, for example for
 620 ==================
 621 */
 622 const char *Host_TimingReport(void)
 623 {
 624         return va("%.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);
 625 }
 626
 627 void Host_Mingled(void)
 628 {
 629         double time1 = 0;
 630         double time2 = 0;
 631         double time3 = 0;
 632         double cl_timer = 0, sv_timer = 0;
 633         double clframetime, deltarealtime, oldrealtime;
 634         double wait;
 635         int pass1, pass2, pass3, i;
 636
 637         for (;;)
 638         {
 639                 if (setjmp(host_abortframe))
 640                 {
 641                         SCR_ClearLoadingScreen(false);
 642                         continue;                       // something bad happened, or the server disconnected
 643                 }
 644
 645                 oldrealtime = realtime;
 646                 realtime = Sys_DoubleTime();
 647
 648                 deltarealtime = realtime - oldrealtime;
 649                 cl_timer += deltarealtime;
 650                 sv_timer += deltarealtime;
 651
 652                 svs.perf_acc_realtime += deltarealtime;
 653
 654                 // Look for clients who have spawned
 655                 for (i = 0, host_client = svs.clients;i < svs.maxclients;i++, host_client++)
 656                         if(host_client->spawned)
 657                                 if(host_client->netconnection)
 658                                         break;
 659                 if(i == svs.maxclients)
 660                 {
 661                         // Nobody is looking? Then we won't do timing...
 662                         // Instead, reset it to zero
 663                         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;
 664                 }
 665                 else if(svs.perf_acc_realtime > 5)
 666                 {
 667                         svs.perf_cpuload = 1 - svs.perf_acc_sleeptime / svs.perf_acc_realtime;
 668                         svs.perf_lost = svs.perf_acc_lost / svs.perf_acc_realtime;
 669                         if(svs.perf_acc_offset_samples > 0)
 670                         {
 671                                 svs.perf_offset_max = svs.perf_acc_offset_max;
 672                                 svs.perf_offset_avg = svs.perf_acc_offset / svs.perf_acc_offset_samples;
 673                                 svs.perf_offset_sdev = sqrt(svs.perf_acc_offset_squared / svs.perf_acc_offset_samples - svs.perf_offset_avg * svs.perf_offset_avg);
 674                         }
 675                         if(svs.perf_lost > 0 && developer_extra.integer)
 676                                 Con_DPrintf("Server can't keep up: %s\n", Host_TimingReport());
 677                         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;
 678                 }
 679
 680                 if (slowmo.value < 0.00001 && slowmo.value != 0)
 681                         Cvar_SetValue("slowmo", 0);
 682                 if (host_framerate.value < 0.00001 && host_framerate.value != 0)
 683                         Cvar_SetValue("host_framerate", 0);
 684
 685                 // keep the random time dependent, but not when playing demos/benchmarking
 686                 if(!*sv_random_seed.string && !cls.demoplayback)
 687                         rand();
 688
 689                 cl.islocalgame = NetConn_IsLocalGame();
 690
 691                 // get new key events
 692                 Key_EventQueue_Unblock();
 693                 SndSys_SendKeyEvents();
 694                 Sys_SendKeyEvents();
 695
 696                 NetConn_UpdateSockets();
 697
 698                 Log_DestBuffer_Flush();
 699
 700                 // receive packets on each main loop iteration, as the main loop may
 701                 // be undersleeping due to select() detecting a new packet
 702                 if (sv.active)
 703                         NetConn_ServerFrame();
 704
 705                 Curl_Run();
 706
 707                 // check for commands typed to the host
 708                 Host_GetConsoleCommands();
 709
 710                 // when a server is running we only execute console commands on server frames
 711                 // (this mainly allows frikbot .way config files to work properly by staying in sync with the server qc)
 712                 // otherwise we execute them on client frames
 713                 if (sv.active ? sv_timer > 0 : cl_timer > 0)
 714                 {
 715                         // process console commands
 716 //                      R_TimeReport("preconsole");
 717                         CL_VM_PreventInformationLeaks();
 718                         Cbuf_Execute();
 719 //                      R_TimeReport("console");
 720                 }
 721
 722                 //Con_Printf("%6.0f %6.0f\n", cl_timer * 1000000.0, sv_timer * 1000000.0);
 723
 724                 // if the accumulators haven't become positive yet, wait a while
 725                 if (cls.state == ca_dedicated)
 726                         wait = sv_timer * -1000000.0;
 727                 else if (!sv.active)
 728                         wait = cl_timer * -1000000.0;
 729                 else
 730                         wait = max(cl_timer, sv_timer) * -1000000.0;
 731
 732                 if (!cls.timedemo && wait >= 1)
 733                 {
 734                         double time0;
 735
 736                         if(host_maxwait.value <= 0)
 737                                 wait = min(wait, 1000000.0);
 738                         else
 739                                 wait = min(wait, host_maxwait.value * 1000.0);
 740                         if(wait < 1)
 741                                 wait = 1; // because we cast to int
 742
 743                         time0 = Sys_DoubleTime();
 744                         if (sv_checkforpacketsduringsleep.integer && !sys_usenoclockbutbenchmark.integer)
 745                                 NetConn_SleepMicroseconds((int)wait);
 746                         else
 747                                 Sys_Sleep((int)wait);
 748                         svs.perf_acc_sleeptime += Sys_DoubleTime() - time0;
 749 //                      R_TimeReport("sleep");
 750                         continue;
 751                 }
 752
 753                 // limit the frametime steps to no more than 100ms each
 754                 if (cl_timer > 0.1)
 755                         cl_timer = 0.1;
 756
 757                 R_TimeReport("---");
 758
 759         //-------------------
 760         //
 761         // server operations
 762         //
 763         //-------------------
 764
 765                 // limit the frametime steps to no more than 100ms each
 766                 if (sv_timer > 0.1)
 767                 {
 768                         svs.perf_acc_lost += (sv_timer - 0.1);
 769                         sv_timer = 0.1;
 770                 }
 771
 772                 if (sv.active && sv_timer > 0)
 773                 {
 774                         // execute one or more server frames, with an upper limit on how much
 775                         // execution time to spend on server frames to avoid freezing the game if
 776                         // the server is overloaded, this execution time limit means the game will
 777                         // slow down if the server is taking too long.
 778                         int framecount, framelimit = 1;
 779                         double advancetime, aborttime = 0;
 780                         float offset;
 781
 782                         if (cls.state == ca_dedicated)
 783                                 Collision_Cache_NewFrame();
 784
 785                         // run the world state
 786                         // don't allow simulation to run too fast or too slow or logic glitches can occur
 787
 788                         // stop running server frames if the wall time reaches this value
 789                         if (sys_ticrate.value <= 0)
 790                                 advancetime = sv_timer;
 791                         else if (cl.islocalgame && !sv_fixedframeratesingleplayer.integer)
 792                         {
 793                                 // synchronize to the client frametime, but no less than 10ms and no more than sys_ticrate
 794                                 advancetime = bound(0.01, cl_timer, sys_ticrate.value);
 795                                 framelimit = cl_maxphysicsframesperserverframe.integer;
 796                                 aborttime = realtime + 0.1;
 797                         }
 798                         else
 799                         {
 800                                 advancetime = sys_ticrate.value;
 801                                 // listen servers can run multiple server frames per client frame
 802                                 if (cls.state == ca_connected)
 803                                 {
 804                                         framelimit = cl_maxphysicsframesperserverframe.integer;
 805                                         aborttime = realtime + 0.1;
 806                                 }
 807                         }
 808                         if(slowmo.value > 0 && slowmo.value < 1)
 809                                 advancetime = min(advancetime, 0.1 / slowmo.value);
 810                         else
 811                                 advancetime = min(advancetime, 0.1);
 812
 813                         if(advancetime > 0)
 814                         {
 815                                 offset = sv_timer + (Sys_DoubleTime() - realtime);
 816                                 ++svs.perf_acc_offset_samples;
 817                                 svs.perf_acc_offset += offset;
 818                                 svs.perf_acc_offset_squared += offset * offset;
 819                                 if(svs.perf_acc_offset_max < offset)
 820                                         svs.perf_acc_offset_max = offset;
 821                         }
 822
 823                         // only advance time if not paused
 824                         // the game also pauses in singleplayer when menu or console is used
 825                         sv.frametime = advancetime * slowmo.value;
 826                         if (host_framerate.value)
 827                                 sv.frametime = host_framerate.value;
 828                         if (sv.paused || (cl.islocalgame && (key_dest != key_game || key_consoleactive || cl.csqc_paused)))
 829                                 sv.frametime = 0;
 830
 831                         // setup the VM frame
 832                         SV_VM_Begin();
 833
 834                         for (framecount = 0;framecount < framelimit && sv_timer > 0;framecount++)
 835                         {
 836                                 sv_timer -= advancetime;
 837
 838                                 // move things around and think unless paused
 839                                 if (sv.frametime)
 840                                         SV_Physics();
 841
 842                                 // if this server frame took too long, break out of the loop
 843                                 if (framelimit > 1 && Sys_DoubleTime() >= aborttime)
 844                                         break;
 845                         }
 846                         R_TimeReport("serverphysics");
 847
 848                         // send all messages to the clients
 849                         SV_SendClientMessages();
 850
 851                         if (sv.paused == 1 && realtime > sv.pausedstart && sv.pausedstart > 0) {
 852                                 prog->globals.generic[OFS_PARM0] = realtime - sv.pausedstart;
 853                                 PRVM_ExecuteProgram(PRVM_serverfunction(SV_PausedTic), "QC function SV_PausedTic is missing");
 854                         }
 855
 856                         // end the server VM frame
 857                         SV_VM_End();
 858
 859                         // send an heartbeat if enough time has passed since the last one
 860                         NetConn_Heartbeat(0);
 861                         R_TimeReport("servernetwork");
 862                 }
 863                 else
 864                 {
 865                         // don't let r_speeds display jump around
 866                         R_TimeReport("serverphysics");
 867                         R_TimeReport("servernetwork");
 868                 }
 869
 870         //-------------------
 871         //
 872         // client operations
 873         //
 874         //-------------------
 875
 876                 if (cls.state != ca_dedicated && (cl_timer > 0 || cls.timedemo || ((vid_activewindow ? cl_maxfps : cl_maxidlefps).value < 1)))
 877                 {
 878                         R_TimeReport("---");
 879                         Collision_Cache_NewFrame();
 880                         R_TimeReport("collisioncache");
 881                         // decide the simulation time
 882                         if (cls.capturevideo.active)
 883                         {
 884                                 //***
 885                                 if (cls.capturevideo.realtime)
 886                                         clframetime = cl.realframetime = max(cl_timer, 1.0 / cls.capturevideo.framerate);
 887                                 else
 888                                 {
 889                                         clframetime = 1.0 / cls.capturevideo.framerate;
 890                                         cl.realframetime = max(cl_timer, clframetime);
 891                                 }
 892                         }
 893                         else if (vid_activewindow && cl_maxfps.value >= 1 && !cls.timedemo)
 894                         {
 895                                 clframetime = cl.realframetime = max(cl_timer, 1.0 / cl_maxfps.value);
 896                                 // when running slow, we need to sleep to keep input responsive
 897                                 wait = bound(0, cl_maxfps_alwayssleep.value * 1000, 100000);
 898                                 if (wait > 0)
 899                                         Sys_Sleep((int)wait);
 900                         }
 901                         else if (!vid_activewindow && cl_maxidlefps.value >= 1 && !cls.timedemo)
 902                                 clframetime = cl.realframetime = max(cl_timer, 1.0 / cl_maxidlefps.value);
 903                         else
 904                                 clframetime = cl.realframetime = cl_timer;
 905
 906                         // apply slowmo scaling
 907                         clframetime *= cl.movevars_timescale;
 908                         // scale playback speed of demos by slowmo cvar
 909                         if (cls.demoplayback)
 910                         {
 911                                 clframetime *= slowmo.value;
 912                                 // if demo playback is paused, don't advance time at all
 913                                 if (cls.demopaused)
 914                                         clframetime = 0;
 915                         }
 916
 917                         // host_framerate overrides all else
 918                         if (host_framerate.value)
 919                                 clframetime = host_framerate.value;
 920
 921                         if (cl.paused || (cl.islocalgame && (key_dest != key_game || key_consoleactive || cl.csqc_paused)))
 922                                 clframetime = 0;
 923
 924                         if (cls.timedemo)
 925                                 clframetime = cl.realframetime = cl_timer;
 926
 927                         // deduct the frame time from the accumulator
 928                         cl_timer -= cl.realframetime;
 929
 930                         cl.oldtime = cl.time;
 931                         cl.time += clframetime;
 932
 933                         // update video
 934                         if (host_speeds.integer)
 935                                 time1 = Sys_DoubleTime();
 936                         R_TimeReport("pre-input");
 937
 938                         // Collect input into cmd
 939                         CL_Input();
 940
 941                         R_TimeReport("input");
 942
 943                         // check for new packets
 944                         NetConn_ClientFrame();
 945
 946                         // read a new frame from a demo if needed
 947                         CL_ReadDemoMessage();
 948                         R_TimeReport("clientnetwork");
 949
 950                         // now that packets have been read, send input to server
 951                         CL_SendMove();
 952                         R_TimeReport("sendmove");
 953
 954                         // update client world (interpolate entities, create trails, etc)
 955                         CL_UpdateWorld();
 956                         R_TimeReport("lerpworld");
 957
 958                         CL_Video_Frame();
 959
 960                         R_TimeReport("client");
 961
 962                         CL_UpdateScreen();
 963                         R_TimeReport("render");
 964
 965                         if (host_speeds.integer)
 966                                 time2 = Sys_DoubleTime();
 967
 968                         // update audio
 969                         if(cl.csqc_usecsqclistener)
 970                         {
 971                                 S_Update(&cl.csqc_listenermatrix);
 972                                 cl.csqc_usecsqclistener = false;
 973                         }
 974                         else
 975                                 S_Update(&r_refdef.view.matrix);
 976
 977                         CDAudio_Update();
 978                         R_TimeReport("audio");
 979
 980                         // reset gathering of mouse input
 981                         in_mouse_x = in_mouse_y = 0;
 982
 983                         if (host_speeds.integer)
 984                         {
 985                                 pass1 = (int)((time1 - time3)*1000000);
 986                                 time3 = Sys_DoubleTime();
 987                                 pass2 = (int)((time2 - time1)*1000000);
 988                                 pass3 = (int)((time3 - time2)*1000000);
 989                                 Con_Printf("%6ius total %6ius server %6ius gfx %6ius snd\n",
 990                                                         pass1+pass2+pass3, pass1, pass2, pass3);
 991                         }
 992                 }
 993
 994 #if MEMPARANOIA
 995                 Mem_CheckSentinelsGlobal();
 996 #else
 997                 if (developer_memorydebug.integer)
 998                         Mem_CheckSentinelsGlobal();
 999 #endif
1000
1001                 // if there is some time remaining from this frame, reset the timers
1002                 if (cl_timer >= 0)
1003                         cl_timer = 0;
1004                 if (sv_timer >= 0)
1005                 {
1006                         svs.perf_acc_lost += sv_timer;
1007                         sv_timer = 0;
1008                 }
1009
1010                 host_framecount++;
1011         }
1012 }
1013
1014 void Host_Threaded(void)
1015 {
1016         double time1 = 0;
1017         double time2 = 0;
1018         double time3 = 0;
1019         double cl_timer = 0;
1020         double clframetime, deltarealtime, oldrealtime;
1021         double wait;
1022         int pass1, pass2, pass3;
1023
1024         for (;;)
1025         {
1026                 if (setjmp(host_abortframe))
1027                 {
1028                         SCR_ClearLoadingScreen(false);
1029                         continue;                       // something bad happened, or the server disconnected
1030                 }
1031
1032                 oldrealtime = realtime;
1033                 realtime = Sys_DoubleTime();
1034
1035                 deltarealtime = realtime - oldrealtime;
1036                 cl_timer += deltarealtime;
1037
1038                 if (slowmo.value < 0.00001 && slowmo.value != 0)
1039                         Cvar_SetValue("slowmo", 0);
1040                 if (host_framerate.value < 0.00001 && host_framerate.value != 0)
1041                         Cvar_SetValue("host_framerate", 0);
1042
1043                 // keep the random time dependent, but not when playing demos/benchmarking
1044                 if(!*sv_random_seed.string && !cls.demoplayback)
1045                         rand();
1046
1047                 cl.islocalgame = NetConn_IsLocalGame();
1048
1049                 // get new key events
1050                 Key_EventQueue_Unblock();
1051                 SndSys_SendKeyEvents();
1052                 Sys_SendKeyEvents();
1053
1054                 NetConn_UpdateSockets();
1055
1056                 Log_DestBuffer_Flush();
1057
1058                 Curl_Run();
1059
1060                 // check for commands typed to the host
1061                 Host_GetConsoleCommands();
1062
1063                 // process console commands
1064 //              R_TimeReport("preconsole");
1065                 CL_VM_PreventInformationLeaks();
1066                 Cbuf_Execute();
1067 //              R_TimeReport("console");
1068
1069                 //Con_Printf("%6.0f %6.0f\n", cl_timer * 1000000.0, sv_timer * 1000000.0);
1070
1071                 // if the accumulators haven't become positive yet, wait a while
1072                 wait = cl_timer * -1000000.0;
1073
1074                 if (!cls.timedemo && wait >= 1)
1075                 {
1076                         double time0;
1077
1078                         if(host_maxwait.value <= 0)
1079                                 wait = min(wait, 1000000.0);
1080                         else
1081                                 wait = min(wait, host_maxwait.value * 1000.0);
1082                         if(wait < 1)
1083                                 wait = 1; // because we cast to int
1084
1085                         time0 = Sys_DoubleTime();
1086                         Sys_Sleep((int)wait);
1087 //                      R_TimeReport("sleep");
1088                         continue;
1089                 }
1090
1091                 // limit the frametime steps to no more than 100ms each
1092                 if (cl_timer > 0.1)
1093                         cl_timer = 0.1;
1094
1095                 R_TimeReport("---");
1096
1097                 if (cl_timer > 0 || cls.timedemo || ((vid_activewindow ? cl_maxfps : cl_maxidlefps).value < 1))
1098                 {
1099                         R_TimeReport("---");
1100                         Collision_Cache_NewFrame();
1101                         R_TimeReport("collisioncache");
1102                         // decide the simulation time
1103                         if (cls.capturevideo.active)
1104                         {
1105                                 //***
1106                                 if (cls.capturevideo.realtime)
1107                                         clframetime = cl.realframetime = max(cl_timer, 1.0 / cls.capturevideo.framerate);
1108                                 else
1109                                 {
1110                                         clframetime = 1.0 / cls.capturevideo.framerate;
1111                                         cl.realframetime = max(cl_timer, clframetime);
1112                                 }
1113                         }
1114                         else if (vid_activewindow && cl_maxfps.value >= 1 && !cls.timedemo)
1115                         {
1116                                 clframetime = cl.realframetime = max(cl_timer, 1.0 / cl_maxfps.value);
1117                                 // when running slow, we need to sleep to keep input responsive
1118                                 wait = bound(0, cl_maxfps_alwayssleep.value * 1000, 100000);
1119                                 if (wait > 0)
1120                                         Sys_Sleep((int)wait);
1121                         }
1122                         else if (!vid_activewindow && cl_maxidlefps.value >= 1 && !cls.timedemo)
1123                                 clframetime = cl.realframetime = max(cl_timer, 1.0 / cl_maxidlefps.value);
1124                         else
1125                                 clframetime = cl.realframetime = cl_timer;
1126
1127                         // apply slowmo scaling
1128                         clframetime *= cl.movevars_timescale;
1129                         // scale playback speed of demos by slowmo cvar
1130                         if (cls.demoplayback)
1131                         {
1132                                 clframetime *= slowmo.value;
1133                                 // if demo playback is paused, don't advance time at all
1134                                 if (cls.demopaused)
1135                                         clframetime = 0;
1136                         }
1137
1138                         // host_framerate overrides all else
1139                         if (host_framerate.value)
1140                                 clframetime = host_framerate.value;
1141
1142                         if (cl.paused || (cl.islocalgame && (key_dest != key_game || key_consoleactive || cl.csqc_paused)))
1143                                 clframetime = 0;
1144
1145                         if (cls.timedemo)
1146                                 clframetime = cl.realframetime = cl_timer;
1147
1148                         // deduct the frame time from the accumulator
1149                         cl_timer -= cl.realframetime;
1150
1151                         cl.oldtime = cl.time;
1152                         cl.time += clframetime;
1153
1154                         // update video
1155                         if (host_speeds.integer)
1156                                 time1 = Sys_DoubleTime();
1157                         R_TimeReport("pre-input");
1158
1159                         // Collect input into cmd
1160                         CL_Input();
1161
1162                         R_TimeReport("input");
1163
1164                         // check for new packets
1165                         NetConn_ClientFrame();
1166
1167                         // read a new frame from a demo if needed
1168                         CL_ReadDemoMessage();
1169                         R_TimeReport("clientnetwork");
1170
1171                         // now that packets have been read, send input to server
1172                         CL_SendMove();
1173                         R_TimeReport("sendmove");
1174
1175                         // update client world (interpolate entities, create trails, etc)
1176                         CL_UpdateWorld();
1177                         R_TimeReport("lerpworld");
1178
1179                         CL_Video_Frame();
1180
1181                         R_TimeReport("client");
1182
1183                         CL_UpdateScreen();
1184                         R_TimeReport("render");
1185
1186                         if (host_speeds.integer)
1187                                 time2 = Sys_DoubleTime();
1188
1189                         // update audio
1190                         if(cl.csqc_usecsqclistener)
1191                         {
1192                                 S_Update(&cl.csqc_listenermatrix);
1193                                 cl.csqc_usecsqclistener = false;
1194                         }
1195                         else
1196                                 S_Update(&r_refdef.view.matrix);
1197
1198                         CDAudio_Update();
1199                         R_TimeReport("audio");
1200
1201                         // reset gathering of mouse input
1202                         in_mouse_x = in_mouse_y = 0;
1203
1204                         if (host_speeds.integer)
1205                         {
1206                                 pass1 = (int)((time1 - time3)*1000000);
1207                                 time3 = Sys_DoubleTime();
1208                                 pass2 = (int)((time2 - time1)*1000000);
1209                                 pass3 = (int)((time3 - time2)*1000000);
1210                                 Con_Printf("%6ius total %6ius other %6ius gfx %6ius snd\n",
1211                                                         pass1+pass2+pass3, pass1, pass2, pass3);
1212                         }
1213                 }
1214
1215 #if MEMPARANOIA
1216                 Mem_CheckSentinelsGlobal();
1217 #else
1218                 if (developer_memorydebug.integer)
1219                         Mem_CheckSentinelsGlobal();
1220 #endif
1221
1222                 // if there is some time remaining from this frame, reset the timers
1223                 if (cl_timer >= 0)
1224                         cl_timer = 0;
1225
1226                 host_framecount++;
1227         }
1228 }
1229
1230 /*
1231 ==================
1232 Host_Frame
1233
1234 Runs all active servers
1235 ==================
1236 */
1237 static void Host_Init(void);
1238 void Host_Main(void)
1239 {
1240         Host_Init();
1241
1242         realtime = host_starttime = Sys_DoubleTime();
1243
1244         if (svs.threaded)
1245                 Host_Threaded();
1246         else
1247                 Host_Mingled();
1248 }
1249
1250 //============================================================================
1251
1252 qboolean vid_opened = false;
1253 void Host_StartVideo(void)
1254 {
1255         if (!vid_opened && cls.state != ca_dedicated)
1256         {
1257                 vid_opened = true;
1258                 // make sure we open sockets before opening video because the Windows Firewall "unblock?" dialog can screw up the graphics context on some graphics drivers
1259                 NetConn_UpdateSockets();
1260                 VID_Start();
1261                 CDAudio_Startup();
1262         }
1263 }
1264
1265 char engineversion[128];
1266
1267 qboolean sys_nostdout = false;
1268
1269 extern void u8_Init(void);
1270 extern void Render_Init(void);
1271 extern void Mathlib_Init(void);
1272 extern void FS_Init_SelfPack(void);
1273 extern void FS_Init(void);
1274 extern void FS_Shutdown(void);
1275 extern void PR_Cmd_Init(void);
1276 extern void COM_Init_Commands(void);
1277 extern void FS_Init_Commands(void);
1278 extern qboolean host_stuffcmdsrun;
1279
1280 /*
1281 ====================
1282 Host_Init
1283 ====================
1284 */
1285 static void Host_Init (void)
1286 {
1287         int i;
1288         const char* os;
1289
1290         if (COM_CheckParm("-profilegameonly"))
1291                 Sys_AllowProfiling(false);
1292
1293         // LordHavoc: quake never seeded the random number generator before... heh
1294         if (COM_CheckParm("-benchmark"))
1295                 srand(0); // predictable random sequence for -benchmark
1296         else
1297                 srand((unsigned int)time(NULL));
1298
1299         // FIXME: this is evil, but possibly temporary
1300         // LordHavoc: doesn't seem very temporary...
1301         // LordHavoc: made this a saved cvar
1302 // COMMANDLINEOPTION: Console: -developer enables warnings and other notices (RECOMMENDED for mod developers)
1303         if (COM_CheckParm("-developer"))
1304         {
1305                 developer.value = developer.integer = 1;
1306                 developer.string = "1";
1307         }
1308
1309         if (COM_CheckParm("-developer2") || COM_CheckParm("-developer3"))
1310         {
1311                 developer.value = developer.integer = 1;
1312                 developer.string = "1";
1313                 developer_extra.value = developer_extra.integer = 1;
1314                 developer_extra.string = "1";
1315                 developer_insane.value = developer_insane.integer = 1;
1316                 developer_insane.string = "1";
1317                 developer_memory.value = developer_memory.integer = 1;
1318                 developer_memory.string = "1";
1319                 developer_memorydebug.value = developer_memorydebug.integer = 1;
1320                 developer_memorydebug.string = "1";
1321         }
1322
1323         if (COM_CheckParm("-developer3"))
1324         {
1325                 gl_paranoid.integer = 1;gl_paranoid.string = "1";
1326                 gl_printcheckerror.integer = 1;gl_printcheckerror.string = "1";
1327         }
1328
1329 // COMMANDLINEOPTION: Console: -nostdout disables text output to the terminal the game was launched from
1330         if (COM_CheckParm("-nostdout"))
1331                 sys_nostdout = 1;
1332
1333         // used by everything
1334         Memory_Init();
1335
1336         // initialize console command/cvar/alias/command execution systems
1337         Cmd_Init();
1338
1339         // initialize memory subsystem cvars/commands
1340         Memory_Init_Commands();
1341
1342         // initialize console and logging and its cvars/commands
1343         Con_Init();
1344
1345         // initialize various cvars that could not be initialized earlier
1346         u8_Init();
1347         Curl_Init_Commands();
1348         Cmd_Init_Commands();
1349         Sys_Init_Commands();
1350         COM_Init_Commands();
1351         FS_Init_Commands();
1352
1353         // initialize console window (only used by sys_win.c)
1354         Sys_InitConsole();
1355
1356         // initialize the self-pack (must be before COM_InitGameType as it may add command line options)
1357         FS_Init_SelfPack();
1358
1359         // detect gamemode from commandline options or executable name
1360         COM_InitGameType();
1361
1362         // construct a version string for the corner of the console
1363         os = DP_OS_NAME;
1364         dpsnprintf (engineversion, sizeof (engineversion), "%s %s %s", gamename, os, buildstring);
1365         Con_Printf("%s\n", engineversion);
1366
1367         // initialize ixtable
1368         Mathlib_Init();
1369
1370         // initialize filesystem (including fs_basedir, fs_gamedir, -game, scr_screenshot_name)
1371         FS_Init();
1372
1373         // must be after FS_Init
1374         Crypto_Init();
1375         Crypto_Init_Commands();
1376
1377         NetConn_Init();
1378         Curl_Init();
1379         //PR_Init();
1380         //PR_Cmd_Init();
1381         PRVM_Init();
1382         Mod_Init();
1383         World_Init();
1384         SV_Init();
1385         V_Init(); // some cvars needed by server player physics (cl_rollangle etc)
1386         Host_InitCommands();
1387         Host_InitLocal();
1388         Host_ServerOptions();
1389
1390         Thread_Init();
1391
1392         if (cls.state == ca_dedicated)
1393                 Cmd_AddCommand ("disconnect", CL_Disconnect_f, "disconnect from server (or disconnect all clients if running a server)");
1394         else
1395         {
1396                 Con_DPrintf("Initializing client\n");
1397
1398                 R_Modules_Init();
1399                 Palette_Init();
1400                 MR_Init_Commands();
1401                 VID_Shared_Init();
1402                 VID_Init();
1403                 Render_Init();
1404                 S_Init();
1405                 CDAudio_Init();
1406                 Key_Init();
1407                 CL_Init();
1408         }
1409
1410         // save off current state of aliases, commands and cvars for later restore if FS_GameDir_f is called
1411         // NOTE: menu commands are freed by Cmd_RestoreInitState
1412         Cmd_SaveInitState();
1413
1414         // FIXME: put this into some neat design, but the menu should be allowed to crash
1415         // without crashing the whole game, so this should just be a short-time solution
1416
1417         // here comes the not so critical stuff
1418         if (setjmp(host_abortframe)) {
1419                 return;
1420         }
1421
1422         Host_AddConfigText();
1423         Cbuf_Execute();
1424
1425         // if stuffcmds wasn't run, then quake.rc is probably missing, use default
1426         if (!host_stuffcmdsrun)
1427         {
1428                 Cbuf_AddText("exec default.cfg\nexec " CONFIGFILENAME "\nexec autoexec.cfg\nstuffcmds\n");
1429                 Cbuf_Execute();
1430         }
1431
1432         // put up the loading image so the user doesn't stare at a black screen...
1433         SCR_BeginLoadingPlaque();
1434
1435         if (cls.state != ca_dedicated)
1436         {
1437                 MR_Init();
1438         }
1439
1440         // check for special benchmark mode
1441 // 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)
1442         i = COM_CheckParm("-benchmark");
1443         if (i && i + 1 < com_argc)
1444         if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1445         {
1446                 Cbuf_AddText(va("timedemo %s\n", com_argv[i + 1]));
1447                 Cbuf_Execute();
1448         }
1449
1450         // check for special demo mode
1451 // COMMANDLINEOPTION: Client: -demo <demoname> runs a playdemo and quits
1452         i = COM_CheckParm("-demo");
1453         if (i && i + 1 < com_argc)
1454         if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1455         {
1456                 Cbuf_AddText(va("playdemo %s\n", com_argv[i + 1]));
1457                 Cbuf_Execute();
1458         }
1459
1460 // COMMANDLINEOPTION: Client: -capturedemo <demoname> captures a playdemo and quits
1461         i = COM_CheckParm("-capturedemo");
1462         if (i && i + 1 < com_argc)
1463         if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1464         {
1465                 Cbuf_AddText(va("playdemo %s\ncl_capturevideo 1\n", com_argv[i + 1]));
1466                 Cbuf_Execute();
1467         }
1468
1469         if (cls.state == ca_dedicated || COM_CheckParm("-listen"))
1470         if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1471         {
1472                 Cbuf_AddText("startmap_dm\n");
1473                 Cbuf_Execute();
1474         }
1475
1476         if (!sv.active && !cls.demoplayback && !cls.connect_trying)
1477         {
1478                 Cbuf_AddText("togglemenu\n");
1479                 Cbuf_Execute();
1480         }
1481
1482         Con_DPrint("========Initialized=========\n");
1483
1484         //Host_StartVideo();
1485
1486         if (cls.state != ca_dedicated)
1487                 SV_StartThread();
1488 }
1489
1490
1491 /*
1492 ===============
1493 Host_Shutdown
1494
1495 FIXME: this is a callback from Sys_Quit and Sys_Error.  It would be better
1496 to run quit through here before the final handoff to the sys code.
1497 ===============
1498 */
1499 void Host_Shutdown(void)
1500 {
1501         static qboolean isdown = false;
1502
1503         if (isdown)
1504         {
1505                 Con_Print("recursive shutdown\n");
1506                 return;
1507         }
1508         if (setjmp(host_abortframe))
1509         {
1510                 Con_Print("aborted the quitting frame?!?\n");
1511                 return;
1512         }
1513         isdown = true;
1514
1515         // be quiet while shutting down
1516         S_StopAllSounds();
1517
1518         // disconnect client from server if active
1519         CL_Disconnect();
1520
1521         // shut down local server if active
1522         Host_ShutdownServer ();
1523
1524         // Shutdown menu
1525         if(MR_Shutdown)
1526                 MR_Shutdown();
1527
1528         // AK shutdown PRVM
1529         // AK hmm, no PRVM_Shutdown(); yet
1530
1531         CL_Video_Shutdown();
1532
1533         Host_SaveConfig();
1534
1535         CDAudio_Shutdown ();
1536         S_Terminate ();
1537         Curl_Shutdown ();
1538         NetConn_Shutdown ();
1539         //PR_Shutdown ();
1540
1541         if (cls.state != ca_dedicated)
1542         {
1543                 R_Modules_Shutdown();
1544                 VID_Shutdown();
1545         }
1546
1547         SV_StopThread();
1548         Thread_Shutdown();
1549         Cmd_Shutdown();
1550         Key_Shutdown();
1551         CL_Shutdown();
1552         Sys_Shutdown();
1553         Log_Close();
1554         Crypto_Shutdown();
1555         FS_Shutdown();
1556         Con_Shutdown();
1557         Memory_Shutdown();
1558 }
1559