cmd.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 // cmd.c -- Quake script command processing module
  21
  22 #include "quakedef.h"
  23 #include "thread.h"
  24
  25 typedef struct cmdalias_s
  26 {
  27         struct cmdalias_s *next;
  28         char name[MAX_ALIAS_NAME];
  29         char *value;
  30         qboolean initstate; // indicates this command existed at init
  31         char *initialvalue; // backup copy of value at init
  32 } cmdalias_t;
  33
  34 static cmdalias_t *cmd_alias;
  35
  36 static qboolean cmd_wait;
  37
  38 static mempool_t *cmd_mempool;
  39
  40 static char cmd_tokenizebuffer[CMD_TOKENIZELENGTH];
  41 static int cmd_tokenizebufferpos = 0;
  42
  43 //=============================================================================
  44
  45 /*
  46 ============
  47 Cmd_Wait_f
  48
  49 Causes execution of the remainder of the command buffer to be delayed until
  50 next frame.  This allows commands like:
  51 bind g "impulse 5 ; +attack ; wait ; -attack ; impulse 2"
  52 ============
  53 */
  54 static void Cmd_Wait_f (void)
  55 {
  56         cmd_wait = true;
  57 }
  58
  59 typedef struct cmddeferred_s
  60 {
  61         struct cmddeferred_s *next;
  62         char *value;
  63         double delay;
  64 } cmddeferred_t;
  65
  66 static cmddeferred_t *cmd_deferred_list = NULL;
  67
  68 /*
  69 ============
  70 Cmd_Defer_f
  71
  72 Cause a command to be executed after a delay.
  73 ============
  74 */
  75 static void Cmd_Defer_f (void)
  76 {
  77         if(Cmd_Argc() == 1)
  78         {
  79                 cmddeferred_t *next = cmd_deferred_list;
  80                 if(!next)
  81                         Con_Printf("No commands are pending.\n");
  82                 while(next)
  83                 {
  84                         Con_Printf("-> In %9.2f: %s\n", next->delay, next->value);
  85                         next = next->next;
  86                 }
  87         } else if(Cmd_Argc() == 2 && !strcasecmp("clear", Cmd_Argv(1)))
  88         {
  89                 while(cmd_deferred_list)
  90                 {
  91                         cmddeferred_t *cmd = cmd_deferred_list;
  92                         cmd_deferred_list = cmd->next;
  93                         Mem_Free(cmd->value);
  94                         Mem_Free(cmd);
  95                 }
  96         } else if(Cmd_Argc() == 3)
  97         {
  98                 const char *value = Cmd_Argv(2);
  99                 cmddeferred_t *defcmd = (cmddeferred_t*)Mem_Alloc(tempmempool, sizeof(*defcmd));
 100                 size_t len = strlen(value);
 101
 102                 defcmd->delay = atof(Cmd_Argv(1));
 103                 defcmd->value = (char*)Mem_Alloc(tempmempool, len+1);
 104                 memcpy(defcmd->value, value, len+1);
 105                 defcmd->next = NULL;
 106
 107                 if(cmd_deferred_list)
 108                 {
 109                         cmddeferred_t *next = cmd_deferred_list;
 110                         while(next->next)
 111                                 next = next->next;
 112                         next->next = defcmd;
 113                 } else
 114                         cmd_deferred_list = defcmd;
 115                 /* Stupid me... this changes the order... so commands with the same delay go blub :S
 116                   defcmd->next = cmd_deferred_list;
 117                   cmd_deferred_list = defcmd;*/
 118         } else {
 119                 Con_Printf("usage: defer <seconds> <command>\n"
 120                            "       defer clear\n");
 121                 return;
 122         }
 123 }
 124
 125 /*
 126 ============
 127 Cmd_Centerprint_f
 128
 129 Print something to the center of the screen using SCR_Centerprint
 130 ============
 131 */
 132 static void Cmd_Centerprint_f (void)
 133 {
 134         char msg[MAX_INPUTLINE];
 135         unsigned int i, c, p;
 136         c = Cmd_Argc();
 137         if(c >= 2)
 138         {
 139                 strlcpy(msg, Cmd_Argv(1), sizeof(msg));
 140                 for(i = 2; i < c; ++i)
 141                 {
 142                         strlcat(msg, " ", sizeof(msg));
 143                         strlcat(msg, Cmd_Argv(i), sizeof(msg));
 144                 }
 145                 c = strlen(msg);
 146                 for(p = 0, i = 0; i < c; ++i)
 147                 {
 148                         if(msg[i] == '\\')
 149                         {
 150                                 if(msg[i+1] == 'n')
 151                                         msg[p++] = '\n';
 152                                 else if(msg[i+1] == '\\')
 153                                         msg[p++] = '\\';
 154                                 else {
 155                                         msg[p++] = '\\';
 156                                         msg[p++] = msg[i+1];
 157                                 }
 158                                 ++i;
 159                         } else {
 160                                 msg[p++] = msg[i];
 161                         }
 162                 }
 163                 msg[p] = '\0';
 164                 SCR_CenterPrint(msg);
 165         }
 166 }
 167
 168 /*
 169 =============================================================================
 170
 171                                                 COMMAND BUFFER
 172
 173 =============================================================================
 174 */
 175
 176 static sizebuf_t        cmd_text;
 177 static unsigned char            cmd_text_buf[CMDBUFSIZE];
 178 void *cmd_text_mutex = NULL;
 179
 180 #define Cbuf_LockThreadMutex() (void)(cmd_text_mutex ? Thread_LockMutex(cmd_text_mutex) : 0)
 181 #define Cbuf_UnlockThreadMutex() (void)(cmd_text_mutex ? Thread_UnlockMutex(cmd_text_mutex) : 0)
 182
 183 /*
 184 ============
 185 Cbuf_AddText
 186
 187 Adds command text at the end of the buffer
 188 ============
 189 */
 190 void Cbuf_AddText (const char *text)
 191 {
 192         int             l;
 193
 194         l = (int)strlen(text);
 195
 196         Cbuf_LockThreadMutex();
 197         if (cmd_text.cursize + l >= cmd_text.maxsize)
 198                 Con_Print("Cbuf_AddText: overflow\n");
 199         else
 200                 SZ_Write(&cmd_text, (const unsigned char *)text, l);
 201         Cbuf_UnlockThreadMutex();
 202 }
 203
 204
 205 /*
 206 ============
 207 Cbuf_InsertText
 208
 209 Adds command text immediately after the current command
 210 Adds a \n to the text
 211 FIXME: actually change the command buffer to do less copying
 212 ============
 213 */
 214 void Cbuf_InsertText (const char *text)
 215 {
 216         size_t l = strlen(text);
 217         Cbuf_LockThreadMutex();
 218         // we need to memmove the existing text and stuff this in before it...
 219         if (cmd_text.cursize + l >= (size_t)cmd_text.maxsize)
 220                 Con_Print("Cbuf_InsertText: overflow\n");
 221         else
 222         {
 223                 // we don't have a SZ_Prepend, so...
 224                 memmove(cmd_text.data + l, cmd_text.data, cmd_text.cursize);
 225                 cmd_text.cursize += l;
 226                 memcpy(cmd_text.data, text, l);
 227         }
 228         Cbuf_UnlockThreadMutex();
 229 }
 230
 231 /*
 232 ============
 233 Cbuf_Execute_Deferred --blub
 234 ============
 235 */
 236 static void Cbuf_Execute_Deferred (void)
 237 {
 238         static double oldrealtime = 0;
 239         cmddeferred_t *cmd, *prev;
 240         double eat;
 241         if (realtime - oldrealtime < 0 || realtime - oldrealtime > 1800) oldrealtime = realtime;
 242         eat = realtime - oldrealtime;
 243         if (eat < (1.0 / 120.0))
 244                 return;
 245         oldrealtime = realtime;
 246         prev = NULL;
 247         cmd = cmd_deferred_list;
 248         while(cmd)
 249         {
 250                 cmd->delay -= eat;
 251                 if(cmd->delay <= 0)
 252                 {
 253                         Cbuf_AddText(cmd->value);
 254                         Cbuf_AddText(";\n");
 255                         Mem_Free(cmd->value);
 256
 257                         if(prev) {
 258                                 prev->next = cmd->next;
 259                                 Mem_Free(cmd);
 260                                 cmd = prev->next;
 261                         } else {
 262                                 cmd_deferred_list = cmd->next;
 263                                 Mem_Free(cmd);
 264                                 cmd = cmd_deferred_list;
 265                         }
 266                         continue;
 267                 }
 268                 prev = cmd;
 269                 cmd = cmd->next;
 270         }
 271 }
 272
 273 /*
 274 ============
 275 Cbuf_Execute
 276 ============
 277 */
 278 static qboolean Cmd_PreprocessString( const char *intext, char *outtext, unsigned maxoutlen, cmdalias_t *alias );
 279 void Cbuf_Execute (void)
 280 {
 281         int i;
 282         char *text;
 283         char line[MAX_INPUTLINE];
 284         char preprocessed[MAX_INPUTLINE];
 285         char *firstchar;
 286         qboolean quotes;
 287         char *comment;
 288
 289         // LordHavoc: making sure the tokenizebuffer doesn't get filled up by repeated crashes
 290         cmd_tokenizebufferpos = 0;
 291
 292         while (cmd_text.cursize)
 293         {
 294 // find a \n or ; line break
 295                 text = (char *)cmd_text.data;
 296
 297                 quotes = false;
 298                 comment = NULL;
 299                 for (i=0 ; i < cmd_text.cursize ; i++)
 300                 {
 301                         if(!comment)
 302                         {
 303                                 if (text[i] == '"')
 304                                         quotes = !quotes;
 305
 306                                 if(quotes)
 307                                 {
 308                                         // make sure i doesn't get > cursize which causes a negative
 309                                         // size in memmove, which is fatal --blub
 310                                         if (i < (cmd_text.cursize-1) && (text[i] == '\\' && (text[i+1] == '"' || text[i+1] == '\\')))
 311                                                 i++;
 312                                 }
 313                                 else
 314                                 {
 315                                         if(text[i] == '/' && text[i + 1] == '/' && (i == 0 || ISWHITESPACE(text[i-1])))
 316                                                 comment = &text[i];
 317                                         if(text[i] == ';')
 318                                                 break;  // don't break if inside a quoted string or comment
 319                                 }
 320                         }
 321
 322                         if (text[i] == '\r' || text[i] == '\n')
 323                                 break;
 324                 }
 325
 326                 // better than CRASHING on overlong input lines that may SOMEHOW enter the buffer
 327                 if(i >= MAX_INPUTLINE)
 328                 {
 329                         Con_Printf("Warning: console input buffer had an overlong line. Ignored.\n");
 330                         line[0] = 0;
 331                 }
 332                 else
 333                 {
 334                         memcpy (line, text, comment ? (comment - text) : i);
 335                         line[comment ? (comment - text) : i] = 0;
 336                 }
 337
 338 // delete the text from the command buffer and move remaining commands down
 339 // this is necessary because commands (exec, alias) can insert data at the
 340 // beginning of the text buffer
 341
 342                 if (i == cmd_text.cursize)
 343                         cmd_text.cursize = 0;
 344                 else
 345                 {
 346                         i++;
 347                         cmd_text.cursize -= i;
 348                         memmove (cmd_text.data, text+i, cmd_text.cursize);
 349                 }
 350
 351 // execute the command line
 352                 firstchar = line;
 353                 while(*firstchar && ISWHITESPACE(*firstchar))
 354                         ++firstchar;
 355                 if(
 356                         (strncmp(firstchar, "alias", 5) || !ISWHITESPACE(firstchar[5]))
 357                         &&
 358                         (strncmp(firstchar, "bind", 4) || !ISWHITESPACE(firstchar[4]))
 359                         &&
 360                         (strncmp(firstchar, "in_bind", 7) || !ISWHITESPACE(firstchar[7]))
 361                 )
 362                 {
 363                         if(Cmd_PreprocessString( line, preprocessed, sizeof(preprocessed), NULL ))
 364                                 Cmd_ExecuteString (preprocessed, src_command, false);
 365                 }
 366                 else
 367                 {
 368                         Cmd_ExecuteString (line, src_command, false);
 369                 }
 370
 371                 if (cmd_wait)
 372                 {       // skip out while text still remains in buffer, leaving it
 373                         // for next frame
 374                         cmd_wait = false;
 375                         break;
 376                 }
 377         }
 378 }
 379
 380 void Cbuf_Frame(void)
 381 {
 382         Cbuf_Execute_Deferred();
 383         if (cmd_text.cursize)
 384         {
 385                 SV_LockThreadMutex();
 386                 Cbuf_Execute();
 387                 SV_UnlockThreadMutex();
 388         }
 389 }
 390
 391 /*
 392 ==============================================================================
 393
 394                                                 SCRIPT COMMANDS
 395
 396 ==============================================================================
 397 */
 398
 399 /*
 400 ===============
 401 Cmd_StuffCmds_f
 402
 403 Adds command line parameters as script statements
 404 Commands lead with a +, and continue until a - or another +
 405 quake +prog jctest.qp +cmd amlev1
 406 quake -nosound +cmd amlev1
 407 ===============
 408 */
 409 qboolean host_stuffcmdsrun = false;
 410 static void Cmd_StuffCmds_f (void)
 411 {
 412         int             i, j, l;
 413         // this is for all commandline options combined (and is bounds checked)
 414         char    build[MAX_INPUTLINE];
 415
 416         if (Cmd_Argc () != 1)
 417         {
 418                 Con_Print("stuffcmds : execute command line parameters\n");
 419                 return;
 420         }
 421
 422         // no reason to run the commandline arguments twice
 423         if (host_stuffcmdsrun)
 424                 return;
 425
 426         host_stuffcmdsrun = true;
 427         build[0] = 0;
 428         l = 0;
 429         for (i = 0;i < com_argc;i++)
 430         {
 431                 if (com_argv[i] && com_argv[i][0] == '+' && (com_argv[i][1] < '0' || com_argv[i][1] > '9') && l + strlen(com_argv[i]) - 1 <= sizeof(build) - 1)
 432                 {
 433                         j = 1;
 434                         while (com_argv[i][j])
 435                                 build[l++] = com_argv[i][j++];
 436                         i++;
 437                         for (;i < com_argc;i++)
 438                         {
 439                                 if (!com_argv[i])
 440                                         continue;
 441                                 if ((com_argv[i][0] == '+' || com_argv[i][0] == '-') && (com_argv[i][1] < '0' || com_argv[i][1] > '9'))
 442                                         break;
 443                                 if (l + strlen(com_argv[i]) + 4 > sizeof(build) - 1)
 444                                         break;
 445                                 build[l++] = ' ';
 446                                 if (strchr(com_argv[i], ' '))
 447                                         build[l++] = '\"';
 448                                 for (j = 0;com_argv[i][j];j++)
 449                                         build[l++] = com_argv[i][j];
 450                                 if (strchr(com_argv[i], ' '))
 451                                         build[l++] = '\"';
 452                         }
 453                         build[l++] = '\n';
 454                         i--;
 455                 }
 456         }
 457         // now terminate the combined string and prepend it to the command buffer
 458         // we already reserved space for the terminator
 459         build[l++] = 0;
 460         Cbuf_InsertText (build);
 461 }
 462
 463 static void Cmd_Exec(const char *filename)
 464 {
 465         char *f;
 466         size_t filenameLen = strlen(filename);
 467         qboolean isdefaultcfg = filenameLen >= 11 && !strcmp(filename + filenameLen - 11, "default.cfg");
 468
 469         if (!strcmp(filename, "config.cfg"))
 470         {
 471                 filename = CONFIGFILENAME;
 472                 if (COM_CheckParm("-noconfig"))
 473                         return; // don't execute config.cfg
 474         }
 475
 476         f = (char *)FS_LoadFile (filename, tempmempool, false, NULL);
 477         if (!f)
 478         {
 479                 Con_Printf("couldn't exec %s\n",filename);
 480                 return;
 481         }
 482         Con_Printf("execing %s\n",filename);
 483
 484         // if executing default.cfg for the first time, lock the cvar defaults
 485         // it may seem backwards to insert this text BEFORE the default.cfg
 486         // but Cbuf_InsertText inserts before, so this actually ends up after it.
 487         if (isdefaultcfg)
 488                 Cbuf_InsertText("\ncvar_lockdefaults\n");
 489
 490         // insert newline after the text to make sure the last line is terminated (some text editors omit the trailing newline)
 491         // (note: insertion order here is backwards from execution order, so this adds it after the text, by calling it before...)
 492         Cbuf_InsertText ("\n");
 493         Cbuf_InsertText (f);
 494         Mem_Free(f);
 495
 496         if (isdefaultcfg)
 497         {
 498                 // special defaults for specific games go here, these execute before default.cfg
 499                 // Nehahra pushable crates malfunction in some levels if this is on
 500                 // Nehahra NPC AI is confused by blowupfallenzombies
 501                 switch(gamemode)
 502                 {
 503                 case GAME_NORMAL:
 504                         Cbuf_InsertText("\n"
 505 "sv_gameplayfix_blowupfallenzombies 0\n"
 506 "sv_gameplayfix_findradiusdistancetobox 0\n"
 507 "sv_gameplayfix_grenadebouncedownslopes 0\n"
 508 "sv_gameplayfix_slidemoveprojectiles 0\n"
 509 "sv_gameplayfix_upwardvelocityclearsongroundflag 0\n"
 510 "sv_gameplayfix_setmodelrealbox 0\n"
 511 "sv_gameplayfix_droptofloorstartsolid 0\n"
 512 "sv_gameplayfix_droptofloorstartsolid_nudgetocorrect 0\n"
 513 "sv_gameplayfix_noairborncorpse 0\n"
 514 "sv_gameplayfix_noairborncorpse_allowsuspendeditems 0\n"
 515 "sv_gameplayfix_easierwaterjump 0\n"
 516 "sv_gameplayfix_delayprojectiles 0\n"
 517 "sv_gameplayfix_multiplethinksperframe 0\n"
 518 "sv_gameplayfix_fixedcheckwatertransition 0\n"
 519 "sv_gameplayfix_q1bsptracelinereportstexture 0\n"
 520 "sv_gameplayfix_swiminbmodels 0\n"
 521 "sv_gameplayfix_downtracesupportsongroundflag 0\n"
 522 "sys_ticrate 0.01388889\n"
 523 "r_shadow_gloss 1\n"
 524 "r_shadow_bumpscale_basetexture 0\n"
 525                                 );
 526                         break;
 527                 case GAME_NEHAHRA:
 528                         Cbuf_InsertText("\n"
 529 "sv_gameplayfix_blowupfallenzombies 0\n"
 530 "sv_gameplayfix_findradiusdistancetobox 0\n"
 531 "sv_gameplayfix_grenadebouncedownslopes 0\n"
 532 "sv_gameplayfix_slidemoveprojectiles 0\n"
 533 "sv_gameplayfix_upwardvelocityclearsongroundflag 0\n"
 534 "sv_gameplayfix_setmodelrealbox 0\n"
 535 "sv_gameplayfix_droptofloorstartsolid 0\n"
 536 "sv_gameplayfix_droptofloorstartsolid_nudgetocorrect 0\n"
 537 "sv_gameplayfix_noairborncorpse 0\n"
 538 "sv_gameplayfix_noairborncorpse_allowsuspendeditems 0\n"
 539 "sv_gameplayfix_easierwaterjump 0\n"
 540 "sv_gameplayfix_delayprojectiles 0\n"
 541 "sv_gameplayfix_multiplethinksperframe 0\n"
 542 "sv_gameplayfix_fixedcheckwatertransition 0\n"
 543 "sv_gameplayfix_q1bsptracelinereportstexture 0\n"
 544 "sv_gameplayfix_swiminbmodels 0\n"
 545 "sv_gameplayfix_downtracesupportsongroundflag 0\n"
 546 "sys_ticrate 0.01388889\n"
 547 "r_shadow_gloss 1\n"
 548 "r_shadow_bumpscale_basetexture 0\n"
 549                                 );
 550                         break;
 551                 // hipnotic mission pack has issues in their 'friendly monster' ai, which seem to attempt to attack themselves for some reason when findradius() returns non-solid entities.
 552                 // hipnotic mission pack has issues with bobbing water entities 'jittering' between different heights on alternate frames at the default 0.0138889 ticrate, 0.02 avoids this issue
 553                 // hipnotic mission pack has issues in their proximity mine sticking code, which causes them to bounce off.
 554                 case GAME_HIPNOTIC:
 555                 case GAME_QUOTH:
 556                         Cbuf_InsertText("\n"
 557 "sv_gameplayfix_blowupfallenzombies 0\n"
 558 "sv_gameplayfix_findradiusdistancetobox 0\n"
 559 "sv_gameplayfix_grenadebouncedownslopes 0\n"
 560 "sv_gameplayfix_slidemoveprojectiles 0\n"
 561 "sv_gameplayfix_upwardvelocityclearsongroundflag 0\n"
 562 "sv_gameplayfix_setmodelrealbox 0\n"
 563 "sv_gameplayfix_droptofloorstartsolid 0\n"
 564 "sv_gameplayfix_droptofloorstartsolid_nudgetocorrect 0\n"
 565 "sv_gameplayfix_noairborncorpse 0\n"
 566 "sv_gameplayfix_noairborncorpse_allowsuspendeditems 0\n"
 567 "sv_gameplayfix_easierwaterjump 0\n"
 568 "sv_gameplayfix_delayprojectiles 0\n"
 569 "sv_gameplayfix_multiplethinksperframe 0\n"
 570 "sv_gameplayfix_fixedcheckwatertransition 0\n"
 571 "sv_gameplayfix_q1bsptracelinereportstexture 0\n"
 572 "sv_gameplayfix_swiminbmodels 0\n"
 573 "sv_gameplayfix_downtracesupportsongroundflag 0\n"
 574 "sys_ticrate 0.02\n"
 575 "r_shadow_gloss 1\n"
 576 "r_shadow_bumpscale_basetexture 0\n"
 577                                 );
 578                         break;
 579                 // rogue mission pack has a guardian boss that does not wake up if findradius returns one of the entities around its spawn area
 580                 case GAME_ROGUE:
 581                         Cbuf_InsertText("\n"
 582 "sv_gameplayfix_blowupfallenzombies 0\n"
 583 "sv_gameplayfix_findradiusdistancetobox 0\n"
 584 "sv_gameplayfix_grenadebouncedownslopes 0\n"
 585 "sv_gameplayfix_slidemoveprojectiles 0\n"
 586 "sv_gameplayfix_upwardvelocityclearsongroundflag 0\n"
 587 "sv_gameplayfix_setmodelrealbox 0\n"
 588 "sv_gameplayfix_droptofloorstartsolid 0\n"
 589 "sv_gameplayfix_droptofloorstartsolid_nudgetocorrect 0\n"
 590 "sv_gameplayfix_noairborncorpse 0\n"
 591 "sv_gameplayfix_noairborncorpse_allowsuspendeditems 0\n"
 592 "sv_gameplayfix_easierwaterjump 0\n"
 593 "sv_gameplayfix_delayprojectiles 0\n"
 594 "sv_gameplayfix_multiplethinksperframe 0\n"
 595 "sv_gameplayfix_fixedcheckwatertransition 0\n"
 596 "sv_gameplayfix_q1bsptracelinereportstexture 0\n"
 597 "sv_gameplayfix_swiminbmodels 0\n"
 598 "sv_gameplayfix_downtracesupportsongroundflag 0\n"
 599 "sys_ticrate 0.01388889\n"
 600 "r_shadow_gloss 1\n"
 601 "r_shadow_bumpscale_basetexture 0\n"
 602                                 );
 603                         break;
 604                 case GAME_TENEBRAE:
 605                         Cbuf_InsertText("\n"
 606 "sv_gameplayfix_blowupfallenzombies 0\n"
 607 "sv_gameplayfix_findradiusdistancetobox 0\n"
 608 "sv_gameplayfix_grenadebouncedownslopes 0\n"
 609 "sv_gameplayfix_slidemoveprojectiles 0\n"
 610 "sv_gameplayfix_upwardvelocityclearsongroundflag 0\n"
 611 "sv_gameplayfix_setmodelrealbox 0\n"
 612 "sv_gameplayfix_droptofloorstartsolid 0\n"
 613 "sv_gameplayfix_droptofloorstartsolid_nudgetocorrect 0\n"
 614 "sv_gameplayfix_noairborncorpse 0\n"
 615 "sv_gameplayfix_noairborncorpse_allowsuspendeditems 0\n"
 616 "sv_gameplayfix_easierwaterjump 0\n"
 617 "sv_gameplayfix_delayprojectiles 0\n"
 618 "sv_gameplayfix_multiplethinksperframe 0\n"
 619 "sv_gameplayfix_fixedcheckwatertransition 0\n"
 620 "sv_gameplayfix_q1bsptracelinereportstexture 0\n"
 621 "sv_gameplayfix_swiminbmodels 0\n"
 622 "sv_gameplayfix_downtracesupportsongroundflag 0\n"
 623 "sys_ticrate 0.01388889\n"
 624 "r_shadow_gloss 2\n"
 625 "r_shadow_bumpscale_basetexture 4\n"
 626                                 );
 627                         break;
 628                 case GAME_NEXUIZ:
 629                         Cbuf_InsertText("\n"
 630 "sv_gameplayfix_blowupfallenzombies 1\n"
 631 "sv_gameplayfix_findradiusdistancetobox 1\n"
 632 "sv_gameplayfix_grenadebouncedownslopes 1\n"
 633 "sv_gameplayfix_slidemoveprojectiles 1\n"
 634 "sv_gameplayfix_upwardvelocityclearsongroundflag 1\n"
 635 "sv_gameplayfix_setmodelrealbox 1\n"
 636 "sv_gameplayfix_droptofloorstartsolid 1\n"
 637 "sv_gameplayfix_droptofloorstartsolid_nudgetocorrect 1\n"
 638 "sv_gameplayfix_noairborncorpse 1\n"
 639 "sv_gameplayfix_noairborncorpse_allowsuspendeditems 1\n"
 640 "sv_gameplayfix_easierwaterjump 1\n"
 641 "sv_gameplayfix_delayprojectiles 1\n"
 642 "sv_gameplayfix_multiplethinksperframe 1\n"
 643 "sv_gameplayfix_fixedcheckwatertransition 1\n"
 644 "sv_gameplayfix_q1bsptracelinereportstexture 1\n"
 645 "sv_gameplayfix_swiminbmodels 1\n"
 646 "sv_gameplayfix_downtracesupportsongroundflag 1\n"
 647 "sys_ticrate 0.01388889\n"
 648 "sv_gameplayfix_q2airaccelerate 1\n"
 649 "sv_gameplayfix_stepmultipletimes 1\n"
 650                                 );
 651                         break;
 652                 // Steel Storm: Burning Retribution csqc misinterprets CSQC_InputEvent if type is a value other than 0 or 1
 653                 case GAME_STEELSTORM:
 654                         Cbuf_InsertText("\n"
 655 "sv_gameplayfix_blowupfallenzombies 1\n"
 656 "sv_gameplayfix_findradiusdistancetobox 1\n"
 657 "sv_gameplayfix_grenadebouncedownslopes 1\n"
 658 "sv_gameplayfix_slidemoveprojectiles 1\n"
 659 "sv_gameplayfix_upwardvelocityclearsongroundflag 1\n"
 660 "sv_gameplayfix_setmodelrealbox 1\n"
 661 "sv_gameplayfix_droptofloorstartsolid 1\n"
 662 "sv_gameplayfix_droptofloorstartsolid_nudgetocorrect 1\n"
 663 "sv_gameplayfix_noairborncorpse 1\n"
 664 "sv_gameplayfix_noairborncorpse_allowsuspendeditems 1\n"
 665 "sv_gameplayfix_easierwaterjump 1\n"
 666 "sv_gameplayfix_delayprojectiles 1\n"
 667 "sv_gameplayfix_multiplethinksperframe 1\n"
 668 "sv_gameplayfix_fixedcheckwatertransition 1\n"
 669 "sv_gameplayfix_q1bsptracelinereportstexture 1\n"
 670 "sv_gameplayfix_swiminbmodels 1\n"
 671 "sv_gameplayfix_downtracesupportsongroundflag 1\n"
 672 "sys_ticrate 0.01388889\n"
 673 "cl_csqc_generatemousemoveevents 0\n"
 674                                 );
 675                         break;
 676                 default:
 677                         Cbuf_InsertText("\n"
 678 "sv_gameplayfix_blowupfallenzombies 1\n"
 679 "sv_gameplayfix_findradiusdistancetobox 1\n"
 680 "sv_gameplayfix_grenadebouncedownslopes 1\n"
 681 "sv_gameplayfix_slidemoveprojectiles 1\n"
 682 "sv_gameplayfix_upwardvelocityclearsongroundflag 1\n"
 683 "sv_gameplayfix_setmodelrealbox 1\n"
 684 "sv_gameplayfix_droptofloorstartsolid 1\n"
 685 "sv_gameplayfix_droptofloorstartsolid_nudgetocorrect 1\n"
 686 "sv_gameplayfix_noairborncorpse 1\n"
 687 "sv_gameplayfix_noairborncorpse_allowsuspendeditems 1\n"
 688 "sv_gameplayfix_easierwaterjump 1\n"
 689 "sv_gameplayfix_delayprojectiles 1\n"
 690 "sv_gameplayfix_multiplethinksperframe 1\n"
 691 "sv_gameplayfix_fixedcheckwatertransition 1\n"
 692 "sv_gameplayfix_q1bsptracelinereportstexture 1\n"
 693 "sv_gameplayfix_swiminbmodels 1\n"
 694 "sv_gameplayfix_downtracesupportsongroundflag 1\n"
 695 "sys_ticrate 0.01388889\n"
 696                                 );
 697                         break;
 698                 }
 699         }
 700 }
 701
 702 /*
 703 ===============
 704 Cmd_Exec_f
 705 ===============
 706 */
 707 static void Cmd_Exec_f (void)
 708 {
 709         fssearch_t *s;
 710         int i;
 711
 712         if (Cmd_Argc () != 2)
 713         {
 714                 Con_Print("exec <filename> : execute a script file\n");
 715                 return;
 716         }
 717
 718         s = FS_Search(Cmd_Argv(1), true, true);
 719         if(!s || !s->numfilenames)
 720         {
 721                 Con_Printf("couldn't exec %s\n",Cmd_Argv(1));
 722                 return;
 723         }
 724
 725         for(i = 0; i < s->numfilenames; ++i)
 726                 Cmd_Exec(s->filenames[i]);
 727
 728         FS_FreeSearch(s);
 729 }
 730
 731
 732 /*
 733 ===============
 734 Cmd_Echo_f
 735
 736 Just prints the rest of the line to the console
 737 ===============
 738 */
 739 static void Cmd_Echo_f (void)
 740 {
 741         int             i;
 742
 743         for (i=1 ; i<Cmd_Argc() ; i++)
 744                 Con_Printf("%s ",Cmd_Argv(i));
 745         Con_Print("\n");
 746 }
 747
 748 // DRESK - 5/14/06
 749 // Support Doom3-style Toggle Console Command
 750 /*
 751 ===============
 752 Cmd_Toggle_f
 753
 754 Toggles a specified console variable amongst the values specified (default is 0 and 1)
 755 ===============
 756 */
 757 static void Cmd_Toggle_f(void)
 758 {
 759         // Acquire Number of Arguments
 760         int nNumArgs = Cmd_Argc();
 761
 762         if(nNumArgs == 1)
 763                 // No Arguments Specified; Print Usage
 764                 Con_Print("Toggle Console Variable - Usage\n  toggle <variable> - toggles between 0 and 1\n  toggle <variable> <value> - toggles between 0 and <value>\n  toggle <variable> [string 1] [string 2]...[string n] - cycles through all strings\n");
 765         else
 766         { // Correct Arguments Specified
 767                 // Acquire Potential CVar
 768                 cvar_t* cvCVar = Cvar_FindVar( Cmd_Argv(1) );
 769
 770                 if(cvCVar != NULL)
 771                 { // Valid CVar
 772                         if(nNumArgs == 2)
 773                         { // Default Usage
 774                                 if(cvCVar->integer)
 775                                         Cvar_SetValueQuick(cvCVar, 0);
 776                                 else
 777                                         Cvar_SetValueQuick(cvCVar, 1);
 778                         }
 779                         else
 780                         if(nNumArgs == 3)
 781                         { // 0 and Specified Usage
 782                                 if(cvCVar->integer == atoi(Cmd_Argv(2) ) )
 783                                         // CVar is Specified Value; // Reset to 0
 784                                         Cvar_SetValueQuick(cvCVar, 0);
 785                                 else
 786                                 if(cvCVar->integer == 0)
 787                                         // CVar is 0; Specify Value
 788                                         Cvar_SetQuick(cvCVar, Cmd_Argv(2) );
 789                                 else
 790                                         // CVar does not match; Reset to 0
 791                                         Cvar_SetValueQuick(cvCVar, 0);
 792                         }
 793                         else
 794                         { // Variable Values Specified
 795                                 int nCnt;
 796                                 int bFound = 0;
 797
 798                                 for(nCnt = 2; nCnt < nNumArgs; nCnt++)
 799                                 { // Cycle through Values
 800                                         if( strcmp(cvCVar->string, Cmd_Argv(nCnt) ) == 0)
 801                                         { // Current Value Located; Increment to Next
 802                                                 if( (nCnt + 1) == nNumArgs)
 803                                                         // Max Value Reached; Reset
 804                                                         Cvar_SetQuick(cvCVar, Cmd_Argv(2) );
 805                                                 else
 806                                                         // Next Value
 807                                                         Cvar_SetQuick(cvCVar, Cmd_Argv(nCnt + 1) );
 808
 809                                                 // End Loop
 810                                                 nCnt = nNumArgs;
 811                                                 // Assign Found
 812                                                 bFound = 1;
 813                                         }
 814                                 }
 815                                 if(!bFound)
 816                                         // Value not Found; Reset to Original
 817                                         Cvar_SetQuick(cvCVar, Cmd_Argv(2) );
 818                         }
 819
 820                 }
 821                 else
 822                 { // Invalid CVar
 823                         Con_Printf("ERROR : CVar '%s' not found\n", Cmd_Argv(1) );
 824                 }
 825         }
 826 }
 827
 828 /*
 829 ===============
 830 Cmd_Alias_f
 831
 832 Creates a new command that executes a command string (possibly ; seperated)
 833 ===============
 834 */
 835 static void Cmd_Alias_f (void)
 836 {
 837         cmdalias_t      *a;
 838         char            cmd[MAX_INPUTLINE];
 839         int                     i, c;
 840         const char              *s;
 841         size_t          alloclen;
 842
 843         if (Cmd_Argc() == 1)
 844         {
 845                 Con_Print("Current alias commands:\n");
 846                 for (a = cmd_alias ; a ; a=a->next)
 847                         Con_Printf("%s : %s", a->name, a->value);
 848                 return;
 849         }
 850
 851         s = Cmd_Argv(1);
 852         if (strlen(s) >= MAX_ALIAS_NAME)
 853         {
 854                 Con_Print("Alias name is too long\n");
 855                 return;
 856         }
 857
 858         // if the alias already exists, reuse it
 859         for (a = cmd_alias ; a ; a=a->next)
 860         {
 861                 if (!strcmp(s, a->name))
 862                 {
 863                         Z_Free (a->value);
 864                         break;
 865                 }
 866         }
 867
 868         if (!a)
 869         {
 870                 cmdalias_t *prev, *current;
 871
 872                 a = (cmdalias_t *)Z_Malloc (sizeof(cmdalias_t));
 873                 strlcpy (a->name, s, sizeof (a->name));
 874                 // insert it at the right alphanumeric position
 875                 for( prev = NULL, current = cmd_alias ; current && strcmp( current->name, a->name ) < 0 ; prev = current, current = current->next )
 876                         ;
 877                 if( prev ) {
 878                         prev->next = a;
 879                 } else {
 880                         cmd_alias = a;
 881                 }
 882                 a->next = current;
 883         }
 884
 885
 886 // copy the rest of the command line
 887         cmd[0] = 0;             // start out with a null string
 888         c = Cmd_Argc();
 889         for (i=2 ; i < c ; i++)
 890         {
 891                 if (i != 2)
 892                         strlcat (cmd, " ", sizeof (cmd));
 893                 strlcat (cmd, Cmd_Argv(i), sizeof (cmd));
 894         }
 895         strlcat (cmd, "\n", sizeof (cmd));
 896
 897         alloclen = strlen (cmd) + 1;
 898         if(alloclen >= 2)
 899                 cmd[alloclen - 2] = '\n'; // to make sure a newline is appended even if too long
 900         a->value = (char *)Z_Malloc (alloclen);
 901         memcpy (a->value, cmd, alloclen);
 902 }
 903
 904 /*
 905 ===============
 906 Cmd_UnAlias_f
 907
 908 Remove existing aliases.
 909 ===============
 910 */
 911 static void Cmd_UnAlias_f (void)
 912 {
 913         cmdalias_t      *a, *p;
 914         int i;
 915         const char *s;
 916
 917         if(Cmd_Argc() == 1)
 918         {
 919                 Con_Print("unalias: Usage: unalias alias1 [alias2 ...]\n");
 920                 return;
 921         }
 922
 923         for(i = 1; i < Cmd_Argc(); ++i)
 924         {
 925                 s = Cmd_Argv(i);
 926                 p = NULL;
 927                 for(a = cmd_alias; a; p = a, a = a->next)
 928                 {
 929                         if(!strcmp(s, a->name))
 930                         {
 931                                 if (a->initstate) // we can not remove init aliases
 932                                         continue;
 933                                 if(a == cmd_alias)
 934                                         cmd_alias = a->next;
 935                                 if(p)
 936                                         p->next = a->next;
 937                                 Z_Free(a->value);
 938                                 Z_Free(a);
 939                                 break;
 940                         }
 941                 }
 942                 if(!a)
 943                         Con_Printf("unalias: %s alias not found\n", s);
 944         }
 945 }
 946
 947 /*
 948 =============================================================================
 949
 950                                         COMMAND EXECUTION
 951
 952 =============================================================================
 953 */
 954
 955 typedef struct cmd_function_s
 956 {
 957         struct cmd_function_s *next;
 958         const char *name;
 959         const char *description;
 960         xcommand_t consolefunction;
 961         xcommand_t clientfunction;
 962         qboolean csqcfunc;
 963         qboolean initstate; // indicates this command existed at init
 964 } cmd_function_t;
 965
 966 static int cmd_argc;
 967 static const char *cmd_argv[MAX_ARGS];
 968 static const char *cmd_null_string = "";
 969 static const char *cmd_args;
 970 cmd_source_t cmd_source;
 971
 972
 973 static cmd_function_t *cmd_functions;           // possible commands to execute
 974
 975 static const char *Cmd_GetDirectCvarValue(const char *varname, cmdalias_t *alias, qboolean *is_multiple)
 976 {
 977         cvar_t *cvar;
 978         long argno;
 979         char *endptr;
 980         char vabuf[1024];
 981
 982         if(is_multiple)
 983                 *is_multiple = false;
 984
 985         if(!varname || !*varname)
 986                 return NULL;
 987
 988         if(alias)
 989         {
 990                 if(!strcmp(varname, "*"))
 991                 {
 992                         if(is_multiple)
 993                                 *is_multiple = true;
 994                         return Cmd_Args();
 995                 }
 996                 else if(!strcmp(varname, "#"))
 997                 {
 998                         return va(vabuf, sizeof(vabuf), "%d", Cmd_Argc());
 999                 }
1000                 else if(varname[strlen(varname) - 1] == '-')
1001                 {
1002                         argno = strtol(varname, &endptr, 10);
1003                         if(endptr == varname + strlen(varname) - 1)
1004                         {
1005                                 // whole string is a number, apart from the -
1006                                 const char *p = Cmd_Args();
1007                                 for(; argno > 1; --argno)
1008                                         if(!COM_ParseToken_Console(&p))
1009                                                 break;
1010                                 if(p)
1011                                 {
1012                                         if(is_multiple)
1013                                                 *is_multiple = true;
1014
1015                                         // kill pre-argument whitespace
1016                                         for (;*p && ISWHITESPACE(*p);p++)
1017                                                 ;
1018
1019                                         return p;
1020                                 }
1021                         }
1022                 }
1023                 else
1024                 {
1025                         argno = strtol(varname, &endptr, 10);
1026                         if(*endptr == 0)
1027                         {
1028                                 // whole string is a number
1029                                 // NOTE: we already made sure we don't have an empty cvar name!
1030                                 if(argno >= 0 && argno < Cmd_Argc())
1031                                         return Cmd_Argv(argno);
1032                         }
1033                 }
1034         }
1035
1036         if((cvar = Cvar_FindVar(varname)) && !(cvar->flags & CVAR_PRIVATE))
1037                 return cvar->string;
1038
1039         return NULL;
1040 }
1041
1042 qboolean Cmd_QuoteString(char *out, size_t outlen, const char *in, const char *quoteset, qboolean putquotes)
1043 {
1044         qboolean quote_quot = !!strchr(quoteset, '"');
1045         qboolean quote_backslash = !!strchr(quoteset, '\\');
1046         qboolean quote_dollar = !!strchr(quoteset, '$');
1047
1048         if(putquotes)
1049         {
1050                 if(outlen <= 2)
1051                 {
1052                         *out++ = 0;
1053                         return false;
1054                 }
1055                 *out++ = '"'; --outlen;
1056                 --outlen;
1057         }
1058
1059         while(*in)
1060         {
1061                 if(*in == '"' && quote_quot)
1062                 {
1063                         if(outlen <= 2)
1064                                 goto fail;
1065                         *out++ = '\\'; --outlen;
1066                         *out++ = '"'; --outlen;
1067                 }
1068                 else if(*in == '\\' && quote_backslash)
1069                 {
1070                         if(outlen <= 2)
1071                                 goto fail;
1072                         *out++ = '\\'; --outlen;
1073                         *out++ = '\\'; --outlen;
1074                 }
1075                 else if(*in == '$' && quote_dollar)
1076                 {
1077                         if(outlen <= 2)
1078                                 goto fail;
1079                         *out++ = '$'; --outlen;
1080                         *out++ = '$'; --outlen;
1081                 }
1082                 else
1083                 {
1084                         if(outlen <= 1)
1085                                 goto fail;
1086                         *out++ = *in; --outlen;
1087                 }
1088                 ++in;
1089         }
1090         if(putquotes)
1091                 *out++ = '"';
1092         *out++ = 0;
1093         return true;
1094 fail:
1095         if(putquotes)
1096                 *out++ = '"';
1097         *out++ = 0;
1098         return false;
1099 }
1100
1101 static const char *Cmd_GetCvarValue(const char *var, size_t varlen, cmdalias_t *alias)
1102 {
1103         static char varname[MAX_INPUTLINE]; // cmd_mutex
1104         static char varval[MAX_INPUTLINE]; // cmd_mutex
1105         const char *varstr = NULL;
1106         char *varfunc;
1107         qboolean required = false;
1108         qboolean optional = false;
1109         static char asis[] = "asis"; // just to suppress const char warnings
1110
1111         if(varlen >= MAX_INPUTLINE)
1112                 varlen = MAX_INPUTLINE - 1;
1113         memcpy(varname, var, varlen);
1114         varname[varlen] = 0;
1115         varfunc = strchr(varname, ' ');
1116
1117         if(varfunc)
1118         {
1119                 *varfunc = 0;
1120                 ++varfunc;
1121         }
1122
1123         if(*var == 0)
1124         {
1125                 // empty cvar name?
1126                 if(alias)
1127                         Con_Printf("Warning: Could not expand $ in alias %s\n", alias->name);
1128                 else
1129                         Con_Printf("Warning: Could not expand $\n");
1130                 return "$";
1131         }
1132
1133         if(varfunc)
1134         {
1135                 char *p;
1136                 // ? means optional
1137                 while((p = strchr(varfunc, '?')))
1138                 {
1139                         optional = true;
1140                         memmove(p, p+1, strlen(p)); // with final NUL
1141                 }
1142                 // ! means required
1143                 while((p = strchr(varfunc, '!')))
1144                 {
1145                         required = true;
1146                         memmove(p, p+1, strlen(p)); // with final NUL
1147                 }
1148                 // kill spaces
1149                 while((p = strchr(varfunc, ' ')))
1150                 {
1151                         memmove(p, p+1, strlen(p)); // with final NUL
1152                 }
1153                 // if no function is left, NULL it
1154                 if(!*varfunc)
1155                         varfunc = NULL;
1156         }
1157
1158         if(varname[0] == '$')
1159                 varstr = Cmd_GetDirectCvarValue(Cmd_GetDirectCvarValue(varname + 1, alias, NULL), alias, NULL);
1160         else
1161         {
1162                 qboolean is_multiple = false;
1163                 // Exception: $* and $n- don't use the quoted form by default
1164                 varstr = Cmd_GetDirectCvarValue(varname, alias, &is_multiple);
1165                 if(is_multiple)
1166                         if(!varfunc)
1167                                 varfunc = asis;
1168         }
1169
1170         if(!varstr)
1171         {
1172                 if(required)
1173                 {
1174                         if(alias)
1175                                 Con_Printf("Error: Could not expand $%s in alias %s\n", varname, alias->name);
1176                         else
1177                                 Con_Printf("Error: Could not expand $%s\n", varname);
1178                         return NULL;
1179                 }
1180                 else if(optional)
1181                 {
1182                         return "";
1183                 }
1184                 else
1185                 {
1186                         if(alias)
1187                                 Con_Printf("Warning: Could not expand $%s in alias %s\n", varname, alias->name);
1188                         else
1189                                 Con_Printf("Warning: Could not expand $%s\n", varname);
1190                         dpsnprintf(varval, sizeof(varval), "$%s", varname);
1191                         return varval;
1192                 }
1193         }
1194
1195         if(!varfunc || !strcmp(varfunc, "q")) // note: quoted form is default, use "asis" to override!
1196         {
1197                 // quote it so it can be used inside double quotes
1198                 // we just need to replace " by \", and of course, double backslashes
1199                 Cmd_QuoteString(varval, sizeof(varval), varstr, "\"\\", false);
1200                 return varval;
1201         }
1202         else if(!strcmp(varfunc, "asis"))
1203         {
1204                 return varstr;
1205         }
1206         else
1207                 Con_Printf("Unknown variable function %s\n", varfunc);
1208
1209         return varstr;
1210 }
1211
1212 /*
1213 Cmd_PreprocessString
1214
1215 Preprocesses strings and replaces $*, $param#, $cvar accordingly. Also strips comments.
1216 */
1217 static qboolean Cmd_PreprocessString( const char *intext, char *outtext, unsigned maxoutlen, cmdalias_t *alias ) {
1218         const char *in;
1219         size_t eat, varlen;
1220         unsigned outlen;
1221         const char *val;
1222
1223         // don't crash if there's no room in the outtext buffer
1224         if( maxoutlen == 0 ) {
1225                 return false;
1226         }
1227         maxoutlen--; // because of \0
1228
1229         in = intext;
1230         outlen = 0;
1231
1232         while( *in && outlen < maxoutlen ) {
1233                 if( *in == '$' ) {
1234                         // this is some kind of expansion, see what comes after the $
1235                         in++;
1236
1237                         // The console does the following preprocessing:
1238                         //
1239                         // - $$ is transformed to a single dollar sign.
1240                         // - $var or ${var} are expanded to the contents of the named cvar,
1241                         //   with quotation marks and backslashes quoted so it can safely
1242                         //   be used inside quotation marks (and it should always be used
1243                         //   that way)
1244                         // - ${var asis} inserts the cvar value as is, without doing this
1245                         //   quoting
1246                         // - ${var ?} silently expands to the empty string if
1247                         //   $var does not exist
1248                         // - ${var !} fails expansion and executes nothing if
1249                         //   $var does not exist
1250                         // - prefix the cvar name with a dollar sign to do indirection;
1251                         //   for example, if $x has the value timelimit, ${$x} will return
1252                         //   the value of $timelimit
1253                         // - when expanding an alias, the special variable name $* refers
1254                         //   to all alias parameters, and a number refers to that numbered
1255                         //   alias parameter, where the name of the alias is $0, the first
1256                         //   parameter is $1 and so on; as a special case, $* inserts all
1257                         //   parameters, without extra quoting, so one can use $* to just
1258                         //   pass all parameters around. All parameters starting from $n
1259                         //   can be referred to as $n- (so $* is equivalent to $1-).
1260                         // - ${* q} and ${n- q} force quoting anyway
1261                         //
1262                         // Note: when expanding an alias, cvar expansion is done in the SAME step
1263                         // as alias expansion so that alias parameters or cvar values containing
1264                         // dollar signs have no unwanted bad side effects. However, this needs to
1265                         // be accounted for when writing complex aliases. For example,
1266                         //   alias foo "set x NEW; echo $x"
1267                         // actually expands to
1268                         //   "set x NEW; echo OLD"
1269                         // and will print OLD! To work around this, use a second alias:
1270                         //   alias foo "set x NEW; foo2"
1271                         //   alias foo2 "echo $x"
1272                         //
1273                         // Also note: lines starting with alias are exempt from cvar expansion.
1274                         // If you want cvar expansion, write "alias" instead:
1275                         //
1276                         //   set x 1
1277                         //   alias foo "echo $x"
1278                         //   "alias" bar "echo $x"
1279                         //   set x 2
1280                         //
1281                         // foo will print 2, because the variable $x will be expanded when the alias
1282                         // gets expanded. bar will print 1, because the variable $x was expanded
1283                         // at definition time. foo can be equivalently defined as
1284                         //
1285                         //   "alias" foo "echo $$x"
1286                         //
1287                         // because at definition time, $$ will get replaced to a single $.
1288
1289                         if( *in == '$' ) {
1290                                 val = "$";
1291                                 eat = 1;
1292                         } else if(*in == '{') {
1293                                 varlen = strcspn(in + 1, "}");
1294                                 if(in[varlen + 1] == '}')
1295                                 {
1296                                         val = Cmd_GetCvarValue(in + 1, varlen, alias);
1297                                         if(!val)
1298                                                 return false;
1299                                         eat = varlen + 2;
1300                                 }
1301                                 else
1302                                 {
1303                                         // ran out of data?
1304                                         val = NULL;
1305                                         eat = varlen + 1;
1306                                 }
1307                         } else {
1308                                 varlen = strspn(in, "#*0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_-");
1309                                 val = Cmd_GetCvarValue(in, varlen, alias);
1310                                 if(!val)
1311                                         return false;
1312                                 eat = varlen;
1313                         }
1314                         if(val)
1315                         {
1316                                 // insert the cvar value
1317                                 while(*val && outlen < maxoutlen)
1318                                         outtext[outlen++] = *val++;
1319                                 in += eat;
1320                         }
1321                         else
1322                         {
1323                                 // copy the unexpanded text
1324                                 outtext[outlen++] = '$';
1325                                 while(eat && outlen < maxoutlen)
1326                                 {
1327                                         outtext[outlen++] = *in++;
1328                                         --eat;
1329                                 }
1330                         }
1331                 }
1332                 else
1333                         outtext[outlen++] = *in++;
1334         }
1335         outtext[outlen] = 0;
1336         return true;
1337 }
1338
1339 /*
1340 ============
1341 Cmd_ExecuteAlias
1342
1343 Called for aliases and fills in the alias into the cbuffer
1344 ============
1345 */
1346 static void Cmd_ExecuteAlias (cmdalias_t *alias)
1347 {
1348         static char buffer[ MAX_INPUTLINE ]; // cmd_mutex
1349         static char buffer2[ MAX_INPUTLINE ]; // cmd_mutex
1350         qboolean ret = Cmd_PreprocessString( alias->value, buffer, sizeof(buffer) - 2, alias );
1351         if(!ret)
1352                 return;
1353         // insert at start of command buffer, so that aliases execute in order
1354         // (fixes bug introduced by Black on 20050705)
1355
1356         // Note: Cbuf_PreprocessString will be called on this string AGAIN! So we
1357         // have to make sure that no second variable expansion takes place, otherwise
1358         // alias parameters containing dollar signs can have bad effects.
1359         Cmd_QuoteString(buffer2, sizeof(buffer2), buffer, "$", false);
1360         Cbuf_InsertText( buffer2 );
1361 }
1362
1363 /*
1364 ========
1365 Cmd_List
1366
1367         CmdList Added by EvilTypeGuy eviltypeguy@qeradiant.com
1368         Thanks to Matthias "Maddes" Buecher, http://www.inside3d.com/qip/
1369
1370 ========
1371 */
1372 static void Cmd_List_f (void)
1373 {
1374         cmd_function_t *cmd;
1375         const char *partial;
1376         size_t len;
1377         int count;
1378         qboolean ispattern;
1379
1380         if (Cmd_Argc() > 1)
1381         {
1382                 partial = Cmd_Argv (1);
1383                 len = strlen(partial);
1384                 ispattern = (strchr(partial, '*') || strchr(partial, '?'));
1385         }
1386         else
1387         {
1388                 partial = NULL;
1389                 len = 0;
1390                 ispattern = false;
1391         }
1392
1393         count = 0;
1394         for (cmd = cmd_functions; cmd; cmd = cmd->next)
1395         {
1396                 if (partial && (ispattern ? !matchpattern_with_separator(cmd->name, partial, false, "", false) : strncmp(partial, cmd->name, len)))
1397                         continue;
1398                 Con_Printf("%s : %s\n", cmd->name, cmd->description);
1399                 count++;
1400         }
1401
1402         if (len)
1403         {
1404                 if(ispattern)
1405                         Con_Printf("%i Command%s matching \"%s\"\n\n", count, (count > 1) ? "s" : "", partial);
1406                 else
1407                         Con_Printf("%i Command%s beginning with \"%s\"\n\n", count, (count > 1) ? "s" : "", partial);
1408         }
1409         else
1410                 Con_Printf("%i Command%s\n\n", count, (count > 1) ? "s" : "");
1411 }
1412
1413 static void Cmd_Apropos_f(void)
1414 {
1415         cmd_function_t *cmd;
1416         cvar_t *cvar;
1417         cmdalias_t *alias;
1418         const char *partial;
1419         int count;
1420         qboolean ispattern;
1421         char vabuf[1024];
1422
1423         if (Cmd_Argc() > 1)
1424                 partial = Cmd_Args();
1425         else
1426         {
1427                 Con_Printf("usage: apropos <string>\n");
1428                 return;
1429         }
1430
1431         ispattern = partial && (strchr(partial, '*') || strchr(partial, '?'));
1432         if(!ispattern)
1433                 partial = va(vabuf, sizeof(vabuf), "*%s*", partial);
1434
1435         count = 0;
1436         for (cvar = cvar_vars; cvar; cvar = cvar->next)
1437         {
1438                 if (!matchpattern_with_separator(cvar->name, partial, true, "", false))
1439                 if (!matchpattern_with_separator(cvar->description, partial, true, "", false))
1440                         continue;
1441                 Con_Printf ("cvar ^3%s^7 is \"%s\" [\"%s\"] %s\n", cvar->name, cvar->string, cvar->defstring, cvar->description);
1442                 count++;
1443         }
1444         for (cmd = cmd_functions; cmd; cmd = cmd->next)
1445         {
1446                 if (!matchpattern_with_separator(cmd->name, partial, true, "", false))
1447                 if (!matchpattern_with_separator(cmd->description, partial, true, "", false))
1448                         continue;
1449                 Con_Printf("command ^2%s^7: %s\n", cmd->name, cmd->description);
1450                 count++;
1451         }
1452         for (alias = cmd_alias; alias; alias = alias->next)
1453         {
1454                 // procede here a bit differently as an alias value always got a final \n
1455                 if (!matchpattern_with_separator(alias->name, partial, true, "", false))
1456                 if (!matchpattern_with_separator(alias->value, partial, true, "\n", false)) // when \n is as separator wildcards don't match it
1457                         continue;
1458                 Con_Printf("alias ^5%s^7: %s", alias->name, alias->value); // do not print an extra \n
1459                 count++;
1460         }
1461         Con_Printf("%i result%s\n\n", count, (count > 1) ? "s" : "");
1462 }
1463
1464 /*
1465 ============
1466 Cmd_Init
1467 ============
1468 */
1469 void Cmd_Init (void)
1470 {
1471         cmd_mempool = Mem_AllocPool("commands", 0, NULL);
1472         // space for commands and script files
1473         cmd_text.data = cmd_text_buf;
1474         cmd_text.maxsize = sizeof(cmd_text_buf);
1475         cmd_text.cursize = 0;
1476
1477         if (Thread_HasThreads())
1478                 cmd_text_mutex = Thread_CreateMutex();
1479 }
1480
1481 void Cmd_Init_Commands (void)
1482 {
1483 //
1484 // register our commands
1485 //
1486         Cmd_AddCommand ("stuffcmds",Cmd_StuffCmds_f, "execute commandline parameters (must be present in quake.rc script)");
1487         Cmd_AddCommand ("exec",Cmd_Exec_f, "execute a script file");
1488         Cmd_AddCommand ("echo",Cmd_Echo_f, "print a message to the console (useful in scripts)");
1489         Cmd_AddCommand ("alias",Cmd_Alias_f, "create a script function (parameters are passed in as $X (being X a number), $* for all parameters, $X- for all parameters starting from $X). Without arguments show the list of all alias");
1490         Cmd_AddCommand ("unalias",Cmd_UnAlias_f, "remove an alias");
1491         Cmd_AddCommand ("cmd", Cmd_ForwardToServer, "send a console commandline to the server (used by some mods)");
1492         Cmd_AddCommand ("wait", Cmd_Wait_f, "make script execution wait for next rendered frame");
1493         Cmd_AddCommand ("set", Cvar_Set_f, "create or change the value of a console variable");
1494         Cmd_AddCommand ("seta", Cvar_SetA_f, "create or change the value of a console variable that will be saved to config.cfg");
1495         Cmd_AddCommand ("unset", Cvar_Del_f, "delete a cvar (does not work for static ones like _cl_name, or read-only ones)");
1496 #ifdef FILLALLCVARSWITHRUBBISH
1497         Cmd_AddCommand ("fillallcvarswithrubbish", Cvar_FillAll_f, "fill all cvars with a specified number of characters to provoke buffer overruns");
1498 #endif /* FILLALLCVARSWITHRUBBISH */
1499
1500         // 2000-01-09 CmdList, CvarList commands By Matthias "Maddes" Buecher
1501         // Added/Modified by EvilTypeGuy eviltypeguy@qeradiant.com
1502         Cmd_AddCommand ("cmdlist", Cmd_List_f, "lists all console commands beginning with the specified prefix or matching the specified wildcard pattern");
1503         Cmd_AddCommand ("cvarlist", Cvar_List_f, "lists all console variables beginning with the specified prefix or matching the specified wildcard pattern");
1504         Cmd_AddCommand ("apropos", Cmd_Apropos_f, "lists all console variables/commands/aliases containing the specified string in the name or description");
1505
1506         Cmd_AddCommand ("cvar_lockdefaults", Cvar_LockDefaults_f, "stores the current values of all cvars into their default values, only used once during startup after parsing default.cfg");
1507         Cmd_AddCommand ("cvar_resettodefaults_all", Cvar_ResetToDefaults_All_f, "sets all cvars to their locked default values");
1508         Cmd_AddCommand ("cvar_resettodefaults_nosaveonly", Cvar_ResetToDefaults_NoSaveOnly_f, "sets all non-saved cvars to their locked default values (variables that will not be saved to config.cfg)");
1509         Cmd_AddCommand ("cvar_resettodefaults_saveonly", Cvar_ResetToDefaults_SaveOnly_f, "sets all saved cvars to their locked default values (variables that will be saved to config.cfg)");
1510
1511         Cmd_AddCommand ("cprint", Cmd_Centerprint_f, "print something at the screen center");
1512         Cmd_AddCommand ("defer", Cmd_Defer_f, "execute a command in the future");
1513
1514         // DRESK - 5/14/06
1515         // Support Doom3-style Toggle Command
1516         Cmd_AddCommand( "toggle", Cmd_Toggle_f, "toggles a console variable's values (use for more info)");
1517 }
1518
1519 /*
1520 ============
1521 Cmd_Shutdown
1522 ============
1523 */
1524 void Cmd_Shutdown(void)
1525 {
1526         if (cmd_text_mutex)
1527         {
1528                 // we usually have this locked when we get here from Host_Quit_f
1529                 Cbuf_UnlockThreadMutex();
1530                 Thread_DestroyMutex(cmd_text_mutex);
1531         }
1532         cmd_text_mutex = NULL;
1533
1534         Mem_FreePool(&cmd_mempool);
1535 }
1536
1537 /*
1538 ============
1539 Cmd_Argc
1540 ============
1541 */
1542 int             Cmd_Argc (void)
1543 {
1544         return cmd_argc;
1545 }
1546
1547 /*
1548 ============
1549 Cmd_Argv
1550 ============
1551 */
1552 const char *Cmd_Argv (int arg)
1553 {
1554         if (arg >= cmd_argc )
1555                 return cmd_null_string;
1556         return cmd_argv[arg];
1557 }
1558
1559 /*
1560 ============
1561 Cmd_Args
1562 ============
1563 */
1564 const char *Cmd_Args (void)
1565 {
1566         return cmd_args;
1567 }
1568
1569
1570 /*
1571 ============
1572 Cmd_TokenizeString
1573
1574 Parses the given string into command line tokens.
1575 ============
1576 */
1577 // AK: This function should only be called from ExcuteString because the current design is a bit of an hack
1578 static void Cmd_TokenizeString (const char *text)
1579 {
1580         int l;
1581
1582         cmd_argc = 0;
1583         cmd_args = NULL;
1584
1585         while (1)
1586         {
1587                 // skip whitespace up to a /n
1588                 while (*text && ISWHITESPACE(*text) && *text != '\r' && *text != '\n')
1589                         text++;
1590
1591                 // line endings:
1592                 // UNIX: \n
1593                 // Mac: \r
1594                 // Windows: \r\n
1595                 if (*text == '\n' || *text == '\r')
1596                 {
1597                         // a newline separates commands in the buffer
1598                         if (*text == '\r' && text[1] == '\n')
1599                                 text++;
1600                         text++;
1601                         break;
1602                 }
1603
1604                 if (!*text)
1605                         return;
1606
1607                 if (cmd_argc == 1)
1608                         cmd_args = text;
1609
1610                 if (!COM_ParseToken_Console(&text))
1611                         return;
1612
1613                 if (cmd_argc < MAX_ARGS)
1614                 {
1615                         l = (int)strlen(com_token) + 1;
1616                         if (cmd_tokenizebufferpos + l > CMD_TOKENIZELENGTH)
1617                         {
1618                                 Con_Printf("Cmd_TokenizeString: ran out of %i character buffer space for command arguements\n", CMD_TOKENIZELENGTH);
1619                                 break;
1620                         }
1621                         memcpy (cmd_tokenizebuffer + cmd_tokenizebufferpos, com_token, l);
1622                         cmd_argv[cmd_argc] = cmd_tokenizebuffer + cmd_tokenizebufferpos;
1623                         cmd_tokenizebufferpos += l;
1624                         cmd_argc++;
1625                 }
1626         }
1627 }
1628
1629
1630 /*
1631 ============
1632 Cmd_AddCommand
1633 ============
1634 */
1635 void Cmd_AddCommand_WithClientCommand (const char *cmd_name, xcommand_t consolefunction, xcommand_t clientfunction, const char *description)
1636 {
1637         cmd_function_t *cmd;
1638         cmd_function_t *prev, *current;
1639
1640 // fail if the command is a variable name
1641         if (Cvar_FindVar( cmd_name ))
1642         {
1643                 Con_Printf("Cmd_AddCommand: %s already defined as a var\n", cmd_name);
1644                 return;
1645         }
1646
1647 // fail if the command already exists
1648         for (cmd=cmd_functions ; cmd ; cmd=cmd->next)
1649         {
1650                 if (!strcmp (cmd_name, cmd->name))
1651                 {
1652                         if (consolefunction || clientfunction)
1653                         {
1654                                 Con_Printf("Cmd_AddCommand: %s already defined\n", cmd_name);
1655                                 return;
1656                         }
1657                         else    //[515]: csqc
1658                         {
1659                                 cmd->csqcfunc = true;
1660                                 return;
1661                         }
1662                 }
1663         }
1664
1665         cmd = (cmd_function_t *)Mem_Alloc(cmd_mempool, sizeof(cmd_function_t));
1666         cmd->name = cmd_name;
1667         cmd->consolefunction = consolefunction;
1668         cmd->clientfunction = clientfunction;
1669         cmd->description = description;
1670         if(!consolefunction && !clientfunction)                 //[515]: csqc
1671                 cmd->csqcfunc = true;
1672         cmd->next = cmd_functions;
1673
1674 // insert it at the right alphanumeric position
1675         for( prev = NULL, current = cmd_functions ; current && strcmp( current->name, cmd->name ) < 0 ; prev = current, current = current->next )
1676                 ;
1677         if( prev ) {
1678                 prev->next = cmd;
1679         } else {
1680                 cmd_functions = cmd;
1681         }
1682         cmd->next = current;
1683 }
1684
1685 void Cmd_AddCommand (const char *cmd_name, xcommand_t function, const char *description)
1686 {
1687         Cmd_AddCommand_WithClientCommand (cmd_name, function, NULL, description);
1688 }
1689
1690 /*
1691 ============
1692 Cmd_Exists
1693 ============
1694 */
1695 qboolean Cmd_Exists (const char *cmd_name)
1696 {
1697         cmd_function_t  *cmd;
1698
1699         for (cmd=cmd_functions ; cmd ; cmd=cmd->next)
1700                 if (!strcmp (cmd_name,cmd->name))
1701                         return true;
1702
1703         return false;
1704 }
1705
1706
1707 /*
1708 ============
1709 Cmd_CompleteCommand
1710 ============
1711 */
1712 const char *Cmd_CompleteCommand (const char *partial)
1713 {
1714         cmd_function_t *cmd;
1715         size_t len;
1716
1717         len = strlen(partial);
1718
1719         if (!len)
1720                 return NULL;
1721
1722 // check functions
1723         for (cmd = cmd_functions; cmd; cmd = cmd->next)
1724                 if (!strncasecmp(partial, cmd->name, len))
1725                         return cmd->name;
1726
1727         return NULL;
1728 }
1729
1730 /*
1731         Cmd_CompleteCountPossible
1732
1733         New function for tab-completion system
1734         Added by EvilTypeGuy
1735         Thanks to Fett erich@heintz.com
1736         Thanks to taniwha
1737
1738 */
1739 int Cmd_CompleteCountPossible (const char *partial)
1740 {
1741         cmd_function_t *cmd;
1742         size_t len;
1743         int h;
1744
1745         h = 0;
1746         len = strlen(partial);
1747
1748         if (!len)
1749                 return 0;
1750
1751         // Loop through the command list and count all partial matches
1752         for (cmd = cmd_functions; cmd; cmd = cmd->next)
1753                 if (!strncasecmp(partial, cmd->name, len))
1754                         h++;
1755
1756         return h;
1757 }
1758
1759 /*
1760         Cmd_CompleteBuildList
1761
1762         New function for tab-completion system
1763         Added by EvilTypeGuy
1764         Thanks to Fett erich@heintz.com
1765         Thanks to taniwha
1766
1767 */
1768 const char **Cmd_CompleteBuildList (const char *partial)
1769 {
1770         cmd_function_t *cmd;
1771         size_t len = 0;
1772         size_t bpos = 0;
1773         size_t sizeofbuf = (Cmd_CompleteCountPossible (partial) + 1) * sizeof (const char *);
1774         const char **buf;
1775
1776         len = strlen(partial);
1777         buf = (const char **)Mem_Alloc(tempmempool, sizeofbuf + sizeof (const char *));
1778         // Loop through the alias list and print all matches
1779         for (cmd = cmd_functions; cmd; cmd = cmd->next)
1780                 if (!strncasecmp(partial, cmd->name, len))
1781                         buf[bpos++] = cmd->name;
1782
1783         buf[bpos] = NULL;
1784         return buf;
1785 }
1786
1787 // written by LordHavoc
1788 void Cmd_CompleteCommandPrint (const char *partial)
1789 {
1790         cmd_function_t *cmd;
1791         size_t len = strlen(partial);
1792         // Loop through the command list and print all matches
1793         for (cmd = cmd_functions; cmd; cmd = cmd->next)
1794                 if (!strncasecmp(partial, cmd->name, len))
1795                         Con_Printf("^2%s^7: %s\n", cmd->name, cmd->description);
1796 }
1797
1798 /*
1799         Cmd_CompleteAlias
1800
1801         New function for tab-completion system
1802         Added by EvilTypeGuy
1803         Thanks to Fett erich@heintz.com
1804         Thanks to taniwha
1805
1806 */
1807 const char *Cmd_CompleteAlias (const char *partial)
1808 {
1809         cmdalias_t *alias;
1810         size_t len;
1811
1812         len = strlen(partial);
1813
1814         if (!len)
1815                 return NULL;
1816
1817         // Check functions
1818         for (alias = cmd_alias; alias; alias = alias->next)
1819                 if (!strncasecmp(partial, alias->name, len))
1820                         return alias->name;
1821
1822         return NULL;
1823 }
1824
1825 // written by LordHavoc
1826 void Cmd_CompleteAliasPrint (const char *partial)
1827 {
1828         cmdalias_t *alias;
1829         size_t len = strlen(partial);
1830         // Loop through the alias list and print all matches
1831         for (alias = cmd_alias; alias; alias = alias->next)
1832                 if (!strncasecmp(partial, alias->name, len))
1833                         Con_Printf("^5%s^7: %s", alias->name, alias->value);
1834 }
1835
1836
1837 /*
1838         Cmd_CompleteAliasCountPossible
1839
1840         New function for tab-completion system
1841         Added by EvilTypeGuy
1842         Thanks to Fett erich@heintz.com
1843         Thanks to taniwha
1844
1845 */
1846 int Cmd_CompleteAliasCountPossible (const char *partial)
1847 {
1848         cmdalias_t      *alias;
1849         size_t          len;
1850         int                     h;
1851
1852         h = 0;
1853
1854         len = strlen(partial);
1855
1856         if (!len)
1857                 return 0;
1858
1859         // Loop through the command list and count all partial matches
1860         for (alias = cmd_alias; alias; alias = alias->next)
1861                 if (!strncasecmp(partial, alias->name, len))
1862                         h++;
1863
1864         return h;
1865 }
1866
1867 /*
1868         Cmd_CompleteAliasBuildList
1869
1870         New function for tab-completion system
1871         Added by EvilTypeGuy
1872         Thanks to Fett erich@heintz.com
1873         Thanks to taniwha
1874
1875 */
1876 const char **Cmd_CompleteAliasBuildList (const char *partial)
1877 {
1878         cmdalias_t *alias;
1879         size_t len = 0;
1880         size_t bpos = 0;
1881         size_t sizeofbuf = (Cmd_CompleteAliasCountPossible (partial) + 1) * sizeof (const char *);
1882         const char **buf;
1883
1884         len = strlen(partial);
1885         buf = (const char **)Mem_Alloc(tempmempool, sizeofbuf + sizeof (const char *));
1886         // Loop through the alias list and print all matches
1887         for (alias = cmd_alias; alias; alias = alias->next)
1888                 if (!strncasecmp(partial, alias->name, len))
1889                         buf[bpos++] = alias->name;
1890
1891         buf[bpos] = NULL;
1892         return buf;
1893 }
1894
1895 void Cmd_ClearCsqcFuncs (void)
1896 {
1897         cmd_function_t *cmd;
1898         for (cmd=cmd_functions ; cmd ; cmd=cmd->next)
1899                 cmd->csqcfunc = false;
1900 }
1901
1902 /*
1903 ============
1904 Cmd_ExecuteString
1905
1906 A complete command line has been parsed, so try to execute it
1907 FIXME: lookupnoadd the token to speed search?
1908 ============
1909 */
1910 void Cmd_ExecuteString (const char *text, cmd_source_t src, qboolean lockmutex)
1911 {
1912         int oldpos;
1913         int found;
1914         cmd_function_t *cmd;
1915         cmdalias_t *a;
1916
1917         oldpos = cmd_tokenizebufferpos;
1918         cmd_source = src;
1919         found = false;
1920
1921         Cmd_TokenizeString (text);
1922
1923 // execute the command line
1924         if (!Cmd_Argc())
1925                 goto done; // no tokens
1926
1927 // check functions
1928         for (cmd=cmd_functions ; cmd ; cmd=cmd->next)
1929         {
1930                 if (!strcasecmp (cmd_argv[0],cmd->name))
1931                 {
1932                         if (cmd->csqcfunc && CL_VM_ConsoleCommand (text))       //[515]: csqc
1933                                 goto done;
1934                         switch (src)
1935                         {
1936                         case src_command:
1937                                 if (cmd->consolefunction)
1938                                         cmd->consolefunction ();
1939                                 else if (cmd->clientfunction)
1940                                 {
1941                                         if (cls.state == ca_connected)
1942                                         {
1943                                                 // forward remote commands to the server for execution
1944                                                 Cmd_ForwardToServer();
1945                                         }
1946                                         else
1947                                                 Con_Printf("Can not send command \"%s\", not connected.\n", Cmd_Argv(0));
1948                                 }
1949                                 else
1950                                         Con_Printf("Command \"%s\" can not be executed\n", Cmd_Argv(0));
1951                                 found = true;
1952                                 goto command_found;
1953                         case src_client:
1954                                 if (cmd->clientfunction)
1955                                 {
1956                                         cmd->clientfunction ();
1957                                         goto done;
1958                                 }
1959                                 break;
1960                         }
1961                         break;
1962                 }
1963         }
1964 command_found:
1965
1966         // if it's a client command and no command was found, say so.
1967         if (cmd_source == src_client)
1968         {
1969                 Con_Printf("player \"%s\" tried to %s\n", host_client->name, text);
1970                 goto done;
1971         }
1972
1973 // check alias
1974         for (a=cmd_alias ; a ; a=a->next)
1975         {
1976                 if (!strcasecmp (cmd_argv[0], a->name))
1977                 {
1978                         Cmd_ExecuteAlias(a);
1979                         goto done;
1980                 }
1981         }
1982
1983         if(found) // if the command was hooked and found, all is good
1984                 goto done;
1985
1986 // check cvars
1987         if (!Cvar_Command () && host_framecount > 0)
1988                 Con_Printf("Unknown command \"%s\"\n", Cmd_Argv(0));
1989
1990 done:
1991         cmd_tokenizebufferpos = oldpos;
1992 }
1993
1994
1995 /*
1996 ===================
1997 Cmd_ForwardStringToServer
1998
1999 Sends an entire command string over to the server, unprocessed
2000 ===================
2001 */
2002 void Cmd_ForwardStringToServer (const char *s)
2003 {
2004         char temp[128];
2005         if (cls.state != ca_connected)
2006         {
2007                 Con_Printf("Can't \"%s\", not connected\n", s);
2008                 return;
2009         }
2010
2011         if (!cls.netcon)
2012                 return;
2013
2014         // LordHavoc: thanks to Fuh for bringing the pure evil of SZ_Print to my
2015         // attention, it has been eradicated from here, its only (former) use in
2016         // all of darkplaces.
2017         if (cls.protocol == PROTOCOL_QUAKEWORLD)
2018                 MSG_WriteByte(&cls.netcon->message, qw_clc_stringcmd);
2019         else
2020                 MSG_WriteByte(&cls.netcon->message, clc_stringcmd);
2021         if ((!strncmp(s, "say ", 4) || !strncmp(s, "say_team ", 9)) && cl_locs_enable.integer)
2022         {
2023                 // say/say_team commands can replace % character codes with status info
2024                 while (*s)
2025                 {
2026                         if (*s == '%' && s[1])
2027                         {
2028                                 // handle proquake message macros
2029                                 temp[0] = 0;
2030                                 switch (s[1])
2031                                 {
2032                                 case 'l': // current location
2033                                         CL_Locs_FindLocationName(temp, sizeof(temp), cl.movement_origin);
2034                                         break;
2035                                 case 'h': // current health
2036                                         dpsnprintf(temp, sizeof(temp), "%i", cl.stats[STAT_HEALTH]);
2037                                         break;
2038                                 case 'a': // current armor
2039                                         dpsnprintf(temp, sizeof(temp), "%i", cl.stats[STAT_ARMOR]);
2040                                         break;
2041                                 case 'x': // current rockets
2042                                         dpsnprintf(temp, sizeof(temp), "%i", cl.stats[STAT_ROCKETS]);
2043                                         break;
2044                                 case 'c': // current cells
2045                                         dpsnprintf(temp, sizeof(temp), "%i", cl.stats[STAT_CELLS]);
2046                                         break;
2047                                 // silly proquake macros
2048                                 case 'd': // loc at last death
2049                                         CL_Locs_FindLocationName(temp, sizeof(temp), cl.lastdeathorigin);
2050                                         break;
2051                                 case 't': // current time
2052                                         dpsnprintf(temp, sizeof(temp), "%.0f:%.0f", floor(cl.time / 60), cl.time - floor(cl.time / 60) * 60);
2053                                         break;
2054                                 case 'r': // rocket launcher status ("I have RL", "I need rockets", "I need RL")
2055                                         if (!(cl.stats[STAT_ITEMS] & IT_ROCKET_LAUNCHER))
2056                                                 dpsnprintf(temp, sizeof(temp), "I need RL");
2057                                         else if (!cl.stats[STAT_ROCKETS])
2058                                                 dpsnprintf(temp, sizeof(temp), "I need rockets");
2059                                         else
2060                                                 dpsnprintf(temp, sizeof(temp), "I have RL");
2061                                         break;
2062                                 case 'p': // powerup status (outputs "quad" "pent" and "eyes" according to status)
2063                                         if (cl.stats[STAT_ITEMS] & IT_QUAD)
2064                                         {
2065                                                 if (temp[0])
2066                                                         strlcat(temp, " ", sizeof(temp));
2067                                                 strlcat(temp, "quad", sizeof(temp));
2068                                         }
2069                                         if (cl.stats[STAT_ITEMS] & IT_INVULNERABILITY)
2070                                         {
2071                                                 if (temp[0])
2072                                                         strlcat(temp, " ", sizeof(temp));
2073                                                 strlcat(temp, "pent", sizeof(temp));
2074                                         }
2075                                         if (cl.stats[STAT_ITEMS] & IT_INVISIBILITY)
2076                                         {
2077                                                 if (temp[0])
2078                                                         strlcat(temp, " ", sizeof(temp));
2079                                                 strlcat(temp, "eyes", sizeof(temp));
2080                                         }
2081                                         break;
2082                                 case 'w': // weapon status (outputs "SSG:NG:SNG:GL:RL:LG" with the text between : characters omitted if you lack the weapon)
2083                                         if (cl.stats[STAT_ITEMS] & IT_SUPER_SHOTGUN)
2084                                                 strlcat(temp, "SSG", sizeof(temp));
2085                                         strlcat(temp, ":", sizeof(temp));
2086                                         if (cl.stats[STAT_ITEMS] & IT_NAILGUN)
2087                                                 strlcat(temp, "NG", sizeof(temp));
2088                                         strlcat(temp, ":", sizeof(temp));
2089                                         if (cl.stats[STAT_ITEMS] & IT_SUPER_NAILGUN)
2090                                                 strlcat(temp, "SNG", sizeof(temp));
2091                                         strlcat(temp, ":", sizeof(temp));
2092                                         if (cl.stats[STAT_ITEMS] & IT_GRENADE_LAUNCHER)
2093                                                 strlcat(temp, "GL", sizeof(temp));
2094                                         strlcat(temp, ":", sizeof(temp));
2095                                         if (cl.stats[STAT_ITEMS] & IT_ROCKET_LAUNCHER)
2096                                                 strlcat(temp, "RL", sizeof(temp));
2097                                         strlcat(temp, ":", sizeof(temp));
2098                                         if (cl.stats[STAT_ITEMS] & IT_LIGHTNING)
2099                                                 strlcat(temp, "LG", sizeof(temp));
2100                                         break;
2101                                 default:
2102                                         // not a recognized macro, print it as-is...
2103                                         temp[0] = s[0];
2104                                         temp[1] = s[1];
2105                                         temp[2] = 0;
2106                                         break;
2107                                 }
2108                                 // write the resulting text
2109                                 SZ_Write(&cls.netcon->message, (unsigned char *)temp, strlen(temp));
2110                                 s += 2;
2111                                 continue;
2112                         }
2113                         MSG_WriteByte(&cls.netcon->message, *s);
2114                         s++;
2115                 }
2116                 MSG_WriteByte(&cls.netcon->message, 0);
2117         }
2118         else // any other command is passed on as-is
2119                 SZ_Write(&cls.netcon->message, (const unsigned char *)s, (int)strlen(s) + 1);
2120 }
2121
2122 /*
2123 ===================
2124 Cmd_ForwardToServer
2125
2126 Sends the entire command line over to the server
2127 ===================
2128 */
2129 void Cmd_ForwardToServer (void)
2130 {
2131         const char *s;
2132         char vabuf[1024];
2133         if (!strcasecmp(Cmd_Argv(0), "cmd"))
2134         {
2135                 // we want to strip off "cmd", so just send the args
2136                 s = Cmd_Argc() > 1 ? Cmd_Args() : "";
2137         }
2138         else
2139         {
2140                 // we need to keep the command name, so send Cmd_Argv(0), a space and then Cmd_Args()
2141                 s = va(vabuf, sizeof(vabuf), "%s %s", Cmd_Argv(0), Cmd_Argc() > 1 ? Cmd_Args() : "");
2142         }
2143         // don't send an empty forward message if the user tries "cmd" by itself
2144         if (!s || !*s)
2145                 return;
2146         Cmd_ForwardStringToServer(s);
2147 }
2148
2149
2150 /*
2151 ================
2152 Cmd_CheckParm
2153
2154 Returns the position (1 to argc-1) in the command's argument list
2155 where the given parameter apears, or 0 if not present
2156 ================
2157 */
2158
2159 int Cmd_CheckParm (const char *parm)
2160 {
2161         int i;
2162
2163         if (!parm)
2164         {
2165                 Con_Printf ("Cmd_CheckParm: NULL");
2166                 return 0;
2167         }
2168
2169         for (i = 1; i < Cmd_Argc (); i++)
2170                 if (!strcasecmp (parm, Cmd_Argv (i)))
2171                         return i;
2172
2173         return 0;
2174 }
2175
2176
2177
2178 void Cmd_SaveInitState(void)
2179 {
2180         cmd_function_t *f;
2181         cmdalias_t *a;
2182         for (f = cmd_functions;f;f = f->next)
2183                 f->initstate = true;
2184         for (a = cmd_alias;a;a = a->next)
2185         {
2186                 a->initstate = true;
2187                 a->initialvalue = Mem_strdup(zonemempool, a->value);
2188         }
2189         Cvar_SaveInitState();
2190 }
2191
2192 void Cmd_RestoreInitState(void)
2193 {
2194         cmd_function_t *f, **fp;
2195         cmdalias_t *a, **ap;
2196         for (fp = &cmd_functions;(f = *fp);)
2197         {
2198                 if (f->initstate)
2199                         fp = &f->next;
2200                 else
2201                 {
2202                         // destroy this command, it didn't exist at init
2203                         Con_DPrintf("Cmd_RestoreInitState: Destroying command %s\n", f->name);
2204                         *fp = f->next;
2205                         Z_Free(f);
2206                 }
2207         }
2208         for (ap = &cmd_alias;(a = *ap);)
2209         {
2210                 if (a->initstate)
2211                 {
2212                         // restore this alias, it existed at init
2213                         if (strcmp(a->value ? a->value : "", a->initialvalue ? a->initialvalue : ""))
2214                         {
2215                                 Con_DPrintf("Cmd_RestoreInitState: Restoring alias %s\n", a->name);
2216                                 if (a->value)
2217                                         Z_Free(a->value);
2218                                 a->value = Mem_strdup(zonemempool, a->initialvalue);
2219                         }
2220                         ap = &a->next;
2221                 }
2222                 else
2223                 {
2224                         // free this alias, it didn't exist at init...
2225                         Con_DPrintf("Cmd_RestoreInitState: Destroying alias %s\n", a->name);
2226                         *ap = a->next;
2227                         if (a->value)
2228                                 Z_Free(a->value);
2229                         Z_Free(a);
2230                 }
2231         }
2232         Cvar_RestoreInitState();
2233 }