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
  24 #define MAX_ALIAS_NAME  32
  25 // this is the largest script file that can be executed in one step
  26 // LordHavoc: inreased this from 8192 to 32768
  27 // div0: increased this from 32k to 128k
  28 #define CMDBUFSIZE 131072
  29 // maximum number of parameters to a command
  30 #define MAX_ARGS 80
  31 // maximum tokenizable commandline length (counting NUL terminations)
  32 #define CMD_TOKENIZELENGTH (MAX_INPUTLINE + MAX_ARGS)
  33
  34 typedef struct cmdalias_s
  35 {
  36         struct cmdalias_s *next;
  37         char name[MAX_ALIAS_NAME];
  38         char *value;
  39 } cmdalias_t;
  40
  41 static cmdalias_t *cmd_alias;
  42
  43 static qboolean cmd_wait;
  44
  45 static mempool_t *cmd_mempool;
  46
  47 static char cmd_tokenizebuffer[CMD_TOKENIZELENGTH];
  48 static int cmd_tokenizebufferpos = 0;
  49
  50 //=============================================================================
  51
  52 /*
  53 ============
  54 Cmd_Wait_f
  55
  56 Causes execution of the remainder of the command buffer to be delayed until
  57 next frame.  This allows commands like:
  58 bind g "impulse 5 ; +attack ; wait ; -attack ; impulse 2"
  59 ============
  60 */
  61 static void Cmd_Wait_f (void)
  62 {
  63         cmd_wait = true;
  64 }
  65
  66 typedef struct cmddeferred_s
  67 {
  68         struct cmddeferred_s *next;
  69         char *value;
  70         double time;
  71 } cmddeferred_t;
  72
  73 static cmddeferred_t *cmd_deferred_list = NULL;
  74
  75 /*
  76 ============
  77 Cmd_Defer_f
  78
  79 Cause a command to be executed after a delay.
  80 ============
  81 */
  82 static void Cmd_Defer_f (void)
  83 {
  84         if(Cmd_Argc() == 1)
  85         {
  86                 double time = Sys_DoubleTime();
  87                 cmddeferred_t *next = cmd_deferred_list;
  88                 if(!next)
  89                         Con_Printf("No commands are pending.\n");
  90                 while(next)
  91                 {
  92                         Con_Printf("-> In %9.2f: %s\n", next->time-time, next->value);
  93                         next = next->next;
  94                 }
  95         } else if(Cmd_Argc() == 2 && !strcasecmp("clear", Cmd_Argv(1)))
  96         {
  97                 while(cmd_deferred_list)
  98                 {
  99                         cmddeferred_t *cmd = cmd_deferred_list;
 100                         cmd_deferred_list = cmd->next;
 101                         Mem_Free(cmd->value);
 102                         Mem_Free(cmd);
 103                 }
 104         } else if(Cmd_Argc() == 3)
 105         {
 106                 const char *value = Cmd_Argv(2);
 107                 cmddeferred_t *defcmd = (cmddeferred_t*)Mem_Alloc(tempmempool, sizeof(*defcmd));
 108                 size_t len = strlen(value);
 109
 110                 defcmd->time = Sys_DoubleTime() + atof(Cmd_Argv(1));
 111                 defcmd->value = (char*)Mem_Alloc(tempmempool, len+1);
 112                 memcpy(defcmd->value, value, len+1);
 113                 defcmd->next = NULL;
 114
 115                 if(cmd_deferred_list)
 116                 {
 117                         cmddeferred_t *next = cmd_deferred_list;
 118                         while(next->next)
 119                                 next = next->next;
 120                         next->next = defcmd;
 121                 } else
 122                         cmd_deferred_list = defcmd;
 123                 /* Stupid me... this changes the order... so commands with the same delay go blub :S
 124                   defcmd->next = cmd_deferred_list;
 125                   cmd_deferred_list = defcmd;*/
 126         } else {
 127                 Con_Printf("usage: defer <seconds> <command>\n"
 128                            "       defer clear\n");
 129                 return;
 130         }
 131 }
 132
 133 /*
 134 ============
 135 Cmd_Centerprint_f
 136
 137 Print something to the center of the screen using SCR_Centerprint
 138 ============
 139 */
 140 static void Cmd_Centerprint_f (void)
 141 {
 142         char msg[MAX_INPUTLINE];
 143         unsigned int i, c, p;
 144         c = Cmd_Argc();
 145         if(c >= 2)
 146         {
 147                 strlcpy(msg, Cmd_Argv(1), sizeof(msg));
 148                 for(i = 2; i < c; ++i)
 149                 {
 150                         strlcat(msg, " ", sizeof(msg));
 151                         strlcat(msg, Cmd_Argv(i), sizeof(msg));
 152                 }
 153                 c = strlen(msg);
 154                 for(p = 0, i = 0; i < c; ++i)
 155                 {
 156                         if(msg[i] == '\\')
 157                         {
 158                                 if(msg[i+1] == 'n')
 159                                         msg[p++] = '\n';
 160                                 else if(msg[i+1] == '\\')
 161                                         msg[p++] = '\\';
 162                                 else {
 163                                         msg[p++] = '\\';
 164                                         msg[p++] = msg[i+1];
 165                                 }
 166                                 ++i;
 167                         } else {
 168                                 msg[p++] = msg[i];
 169                         }
 170                 }
 171                 msg[p] = '\0';
 172                 SCR_CenterPrint(msg);
 173         }
 174 }
 175
 176 /*
 177 =============================================================================
 178
 179                                                 COMMAND BUFFER
 180
 181 =============================================================================
 182 */
 183
 184 static sizebuf_t        cmd_text;
 185 static unsigned char            cmd_text_buf[CMDBUFSIZE];
 186
 187 /*
 188 ============
 189 Cbuf_AddText
 190
 191 Adds command text at the end of the buffer
 192 ============
 193 */
 194 void Cbuf_AddText (const char *text)
 195 {
 196         int             l;
 197
 198         l = (int)strlen (text);
 199
 200         if (cmd_text.cursize + l >= cmd_text.maxsize)
 201         {
 202                 Con_Print("Cbuf_AddText: overflow\n");
 203                 return;
 204         }
 205
 206         SZ_Write (&cmd_text, (const unsigned char *)text, (int)strlen (text));
 207 }
 208
 209
 210 /*
 211 ============
 212 Cbuf_InsertText
 213
 214 Adds command text immediately after the current command
 215 Adds a \n to the text
 216 FIXME: actually change the command buffer to do less copying
 217 ============
 218 */
 219 void Cbuf_InsertText (const char *text)
 220 {
 221         char    *temp;
 222         int             templen;
 223
 224         // copy off any commands still remaining in the exec buffer
 225         templen = cmd_text.cursize;
 226         if (templen)
 227         {
 228                 temp = (char *)Mem_Alloc (tempmempool, templen);
 229                 memcpy (temp, cmd_text.data, templen);
 230                 SZ_Clear (&cmd_text);
 231         }
 232         else
 233                 temp = NULL;
 234
 235         // add the entire text of the file
 236         Cbuf_AddText (text);
 237
 238         // add the copied off data
 239         if (temp != NULL)
 240         {
 241                 SZ_Write (&cmd_text, (const unsigned char *)temp, templen);
 242                 Mem_Free (temp);
 243         }
 244 }
 245
 246 /*
 247 ============
 248 Cbuf_Execute_Deferred --blub
 249 ============
 250 */
 251 void Cbuf_Execute_Deferred (void)
 252 {
 253         cmddeferred_t *cmd, *prev;
 254         double time = Sys_DoubleTime();
 255         prev = NULL;
 256         cmd = cmd_deferred_list;
 257         while(cmd)
 258         {
 259                 if(cmd->time <= time)
 260                 {
 261                         Cbuf_AddText(cmd->value);
 262                         Cbuf_AddText(";\n");
 263                         Mem_Free(cmd->value);
 264
 265                         if(prev) {
 266                                 prev->next = cmd->next;
 267                                 Mem_Free(cmd);
 268                                 cmd = prev->next;
 269                         } else {
 270                                 cmd_deferred_list = cmd->next;
 271                                 Mem_Free(cmd);
 272                                 cmd = cmd_deferred_list;
 273                         }
 274                         continue;
 275                 }
 276                 prev = cmd;
 277                 cmd = cmd->next;
 278         }
 279 }
 280
 281 /*
 282 ============
 283 Cbuf_Execute
 284 ============
 285 */
 286 static void Cmd_PreprocessString( const char *intext, char *outtext, unsigned maxoutlen, cmdalias_t *alias );
 287 void Cbuf_Execute (void)
 288 {
 289         int i;
 290         char *text;
 291         char line[MAX_INPUTLINE];
 292         char preprocessed[MAX_INPUTLINE];
 293         char *firstchar;
 294         int quotes;
 295
 296         // LordHavoc: making sure the tokenizebuffer doesn't get filled up by repeated crashes
 297         cmd_tokenizebufferpos = 0;
 298
 299         Cbuf_Execute_Deferred();
 300         while (cmd_text.cursize)
 301         {
 302 // find a \n or ; line break
 303                 text = (char *)cmd_text.data;
 304
 305                 quotes = 0;
 306                 for (i=0 ; i< cmd_text.cursize ; i++)
 307                 {
 308                         if (text[i] == '"')
 309                                 quotes ^= 1;
 310                         // make sure i doesn't get > cursize which causes a negative
 311                         // size in memmove, which is fatal --blub
 312                         if (i < (cmd_text.cursize-1) && (text[i] == '\\' && (text[i+1] == '"' || text[i+1] == '\\')))
 313                                 i++;
 314                         if ( !quotes &&  text[i] == ';')
 315                                 break;  // don't break if inside a quoted string
 316                         if (text[i] == '\r' || text[i] == '\n')
 317                                 break;
 318                 }
 319
 320                 // better than CRASHING on overlong input lines that may SOMEHOW enter the buffer
 321                 if(i >= MAX_INPUTLINE)
 322                 {
 323                         Con_Printf("Warning: console input buffer had an overlong line. Ignored.\n");
 324                         line[0] = 0;
 325                 }
 326                 else
 327                 {
 328                         memcpy (line, text, i);
 329                         line[i] = 0;
 330                 }
 331
 332 // delete the text from the command buffer and move remaining commands down
 333 // this is necessary because commands (exec, alias) can insert data at the
 334 // beginning of the text buffer
 335
 336                 if (i == cmd_text.cursize)
 337                         cmd_text.cursize = 0;
 338                 else
 339                 {
 340                         i++;
 341                         cmd_text.cursize -= i;
 342                         memmove (cmd_text.data, text+i, cmd_text.cursize);
 343                 }
 344
 345 // execute the command line
 346                 firstchar = line + strspn(line, " \t");
 347                 if(
 348                         (strncmp(firstchar, "alias", 5) || (firstchar[5] != ' ' && firstchar[5] != '\t'))
 349                         &&
 350                         (strncmp(firstchar, "bind", 4) || (firstchar[4] != ' ' && firstchar[4] != '\t'))
 351                         &&
 352                         (strncmp(firstchar, "in_bind", 7) || (firstchar[7] != ' ' && firstchar[7] != '\t'))
 353                 )
 354                 {
 355                         Cmd_PreprocessString( line, preprocessed, sizeof(preprocessed), NULL );
 356                         Cmd_ExecuteString (preprocessed, src_command);
 357                 }
 358                 else
 359                 {
 360                         Cmd_ExecuteString (line, src_command);
 361                 }
 362
 363                 if (cmd_wait)
 364                 {       // skip out while text still remains in buffer, leaving it
 365                         // for next frame
 366                         cmd_wait = false;
 367                         break;
 368                 }
 369         }
 370 }
 371
 372 /*
 373 ==============================================================================
 374
 375                                                 SCRIPT COMMANDS
 376
 377 ==============================================================================
 378 */
 379
 380 /*
 381 ===============
 382 Cmd_StuffCmds_f
 383
 384 Adds command line parameters as script statements
 385 Commands lead with a +, and continue until a - or another +
 386 quake +prog jctest.qp +cmd amlev1
 387 quake -nosound +cmd amlev1
 388 ===============
 389 */
 390 qboolean host_stuffcmdsrun = false;
 391 void Cmd_StuffCmds_f (void)
 392 {
 393         int             i, j, l;
 394         // this is for all commandline options combined (and is bounds checked)
 395         char    build[MAX_INPUTLINE];
 396
 397         if (Cmd_Argc () != 1)
 398         {
 399                 Con_Print("stuffcmds : execute command line parameters\n");
 400                 return;
 401         }
 402
 403         // no reason to run the commandline arguments twice
 404         if (host_stuffcmdsrun)
 405                 return;
 406
 407         host_stuffcmdsrun = true;
 408         build[0] = 0;
 409         l = 0;
 410         for (i = 0;i < com_argc;i++)
 411         {
 412                 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)
 413                 {
 414                         j = 1;
 415                         while (com_argv[i][j])
 416                                 build[l++] = com_argv[i][j++];
 417                         i++;
 418                         for (;i < com_argc;i++)
 419                         {
 420                                 if (!com_argv[i])
 421                                         continue;
 422                                 if ((com_argv[i][0] == '+' || com_argv[i][0] == '-') && (com_argv[i][1] < '0' || com_argv[i][1] > '9'))
 423                                         break;
 424                                 if (l + strlen(com_argv[i]) + 4 > sizeof(build) - 1)
 425                                         break;
 426                                 build[l++] = ' ';
 427                                 if (strchr(com_argv[i], ' '))
 428                                         build[l++] = '\"';
 429                                 for (j = 0;com_argv[i][j];j++)
 430                                         build[l++] = com_argv[i][j];
 431                                 if (strchr(com_argv[i], ' '))
 432                                         build[l++] = '\"';
 433                         }
 434                         build[l++] = '\n';
 435                         i--;
 436                 }
 437         }
 438         // now terminate the combined string and prepend it to the command buffer
 439         // we already reserved space for the terminator
 440         build[l++] = 0;
 441         Cbuf_InsertText (build);
 442 }
 443
 444
 445 /*
 446 ===============
 447 Cmd_Exec_f
 448 ===============
 449 */
 450 static void Cmd_Exec_f (void)
 451 {
 452         char *f;
 453
 454         if (Cmd_Argc () != 2)
 455         {
 456                 Con_Print("exec <filename> : execute a script file\n");
 457                 return;
 458         }
 459
 460         f = (char *)FS_LoadFile (Cmd_Argv(1), tempmempool, false, NULL);
 461         if (!f)
 462         {
 463                 Con_Printf("couldn't exec %s\n",Cmd_Argv(1));
 464                 return;
 465         }
 466         Con_Printf("execing %s\n",Cmd_Argv(1));
 467
 468         // if executing default.cfg for the first time, lock the cvar defaults
 469         // it may seem backwards to insert this text BEFORE the default.cfg
 470         // but Cbuf_InsertText inserts before, so this actually ends up after it.
 471         if (!strcmp(Cmd_Argv(1), "default.cfg"))
 472                 Cbuf_InsertText("\ncvar_lockdefaults\n");
 473
 474         // insert newline after the text to make sure the last line is terminated (some text editors omit the trailing newline)
 475         // (note: insertion order here is backwards from execution order, so this adds it after the text, by calling it before...)
 476         Cbuf_InsertText ("\n");
 477         Cbuf_InsertText (f);
 478         Mem_Free(f);
 479 }
 480
 481
 482 /*
 483 ===============
 484 Cmd_Echo_f
 485
 486 Just prints the rest of the line to the console
 487 ===============
 488 */
 489 static void Cmd_Echo_f (void)
 490 {
 491         int             i;
 492
 493         for (i=1 ; i<Cmd_Argc() ; i++)
 494                 Con_Printf("%s ",Cmd_Argv(i));
 495         Con_Print("\n");
 496 }
 497
 498 // DRESK - 5/14/06
 499 // Support Doom3-style Toggle Console Command
 500 /*
 501 ===============
 502 Cmd_Toggle_f
 503
 504 Toggles a specified console variable amongst the values specified (default is 0 and 1)
 505 ===============
 506 */
 507 static void Cmd_Toggle_f(void)
 508 {
 509         // Acquire Number of Arguments
 510         int nNumArgs = Cmd_Argc();
 511
 512         if(nNumArgs == 1)
 513                 // No Arguments Specified; Print Usage
 514                 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");
 515         else
 516         { // Correct Arguments Specified
 517                 // Acquire Potential CVar
 518                 cvar_t* cvCVar = Cvar_FindVar( Cmd_Argv(1) );
 519
 520                 if(cvCVar != NULL)
 521                 { // Valid CVar
 522                         if(nNumArgs == 2)
 523                         { // Default Usage
 524                                 if(cvCVar->integer)
 525                                         Cvar_SetValueQuick(cvCVar, 0);
 526                                 else
 527                                         Cvar_SetValueQuick(cvCVar, 1);
 528                         }
 529                         else
 530                         if(nNumArgs == 3)
 531                         { // 0 and Specified Usage
 532                                 if(cvCVar->integer == atoi(Cmd_Argv(2) ) )
 533                                         // CVar is Specified Value; // Reset to 0
 534                                         Cvar_SetValueQuick(cvCVar, 0);
 535                                 else
 536                                 if(cvCVar->integer == 0)
 537                                         // CVar is 0; Specify Value
 538                                         Cvar_SetQuick(cvCVar, Cmd_Argv(2) );
 539                                 else
 540                                         // CVar does not match; Reset to 0
 541                                         Cvar_SetValueQuick(cvCVar, 0);
 542                         }
 543                         else
 544                         { // Variable Values Specified
 545                                 int nCnt;
 546                                 int bFound = 0;
 547
 548                                 for(nCnt = 2; nCnt < nNumArgs; nCnt++)
 549                                 { // Cycle through Values
 550                                         if( strcmp(cvCVar->string, Cmd_Argv(nCnt) ) == 0)
 551                                         { // Current Value Located; Increment to Next
 552                                                 if( (nCnt + 1) == nNumArgs)
 553                                                         // Max Value Reached; Reset
 554                                                         Cvar_SetQuick(cvCVar, Cmd_Argv(2) );
 555                                                 else
 556                                                         // Next Value
 557                                                         Cvar_SetQuick(cvCVar, Cmd_Argv(nCnt + 1) );
 558
 559                                                 // End Loop
 560                                                 nCnt = nNumArgs;
 561                                                 // Assign Found
 562                                                 bFound = 1;
 563                                         }
 564                                 }
 565                                 if(!bFound)
 566                                         // Value not Found; Reset to Original
 567                                         Cvar_SetQuick(cvCVar, Cmd_Argv(2) );
 568                         }
 569
 570                 }
 571                 else
 572                 { // Invalid CVar
 573                         Con_Printf("ERROR : CVar '%s' not found\n", Cmd_Argv(1) );
 574                 }
 575         }
 576 }
 577
 578 /*
 579 ===============
 580 Cmd_Alias_f
 581
 582 Creates a new command that executes a command string (possibly ; seperated)
 583 ===============
 584 */
 585 static void Cmd_Alias_f (void)
 586 {
 587         cmdalias_t      *a;
 588         char            cmd[MAX_INPUTLINE];
 589         int                     i, c;
 590         const char              *s;
 591         size_t          alloclen;
 592
 593         if (Cmd_Argc() == 1)
 594         {
 595                 Con_Print("Current alias commands:\n");
 596                 for (a = cmd_alias ; a ; a=a->next)
 597                         Con_Printf("%s : %s\n", a->name, a->value);
 598                 return;
 599         }
 600
 601         s = Cmd_Argv(1);
 602         if (strlen(s) >= MAX_ALIAS_NAME)
 603         {
 604                 Con_Print("Alias name is too long\n");
 605                 return;
 606         }
 607
 608         // if the alias already exists, reuse it
 609         for (a = cmd_alias ; a ; a=a->next)
 610         {
 611                 if (!strcmp(s, a->name))
 612                 {
 613                         Z_Free (a->value);
 614                         break;
 615                 }
 616         }
 617
 618         if (!a)
 619         {
 620                 cmdalias_t *prev, *current;
 621
 622                 a = (cmdalias_t *)Z_Malloc (sizeof(cmdalias_t));
 623                 strlcpy (a->name, s, sizeof (a->name));
 624                 // insert it at the right alphanumeric position
 625                 for( prev = NULL, current = cmd_alias ; current && strcmp( current->name, a->name ) < 0 ; prev = current, current = current->next )
 626                         ;
 627                 if( prev ) {
 628                         prev->next = a;
 629                 } else {
 630                         cmd_alias = a;
 631                 }
 632                 a->next = current;
 633         }
 634
 635
 636 // copy the rest of the command line
 637         cmd[0] = 0;             // start out with a null string
 638         c = Cmd_Argc();
 639         for (i=2 ; i< c ; i++)
 640         {
 641                 strlcat (cmd, Cmd_Argv(i), sizeof (cmd));
 642                 if (i != c)
 643                         strlcat (cmd, " ", sizeof (cmd));
 644         }
 645         strlcat (cmd, "\n", sizeof (cmd));
 646
 647         alloclen = strlen (cmd) + 1;
 648         a->value = (char *)Z_Malloc (alloclen);
 649         memcpy (a->value, cmd, alloclen);
 650 }
 651
 652 /*
 653 =============================================================================
 654
 655                                         COMMAND EXECUTION
 656
 657 =============================================================================
 658 */
 659
 660 typedef struct cmd_function_s
 661 {
 662         struct cmd_function_s *next;
 663         const char *name;
 664         const char *description;
 665         xcommand_t consolefunction;
 666         xcommand_t clientfunction;
 667         qboolean csqcfunc;
 668 } cmd_function_t;
 669
 670 static int cmd_argc;
 671 static const char *cmd_argv[MAX_ARGS];
 672 static const char *cmd_null_string = "";
 673 static const char *cmd_args;
 674 cmd_source_t cmd_source;
 675
 676
 677 static cmd_function_t *cmd_functions;           // possible commands to execute
 678
 679 static const char *Cmd_GetDirectCvarValue(const char *varname, cmdalias_t *alias, qboolean *is_multiple)
 680 {
 681         cvar_t *cvar;
 682         long argno;
 683         char *endptr;
 684
 685         if(is_multiple)
 686                 *is_multiple = false;
 687
 688         if(!varname || !*varname)
 689                 return NULL;
 690
 691         if(alias)
 692         {
 693                 if(!strcmp(varname, "*"))
 694                 {
 695                         if(is_multiple)
 696                                 *is_multiple = true;
 697                         return Cmd_Args();
 698                 }
 699                 else if(varname[strlen(varname) - 1] == '-')
 700                 {
 701                         argno = strtol(varname, &endptr, 10);
 702                         if(endptr == varname + strlen(varname) - 1)
 703                         {
 704                                 // whole string is a number, apart from the -
 705                                 const char *p = Cmd_Args();
 706                                 for(; argno > 1; --argno)
 707                                         if(!COM_ParseToken_Console(&p))
 708                                                 break;
 709                                 if(p)
 710                                 {
 711                                         if(is_multiple)
 712                                                 *is_multiple = true;
 713
 714                                         // kill pre-argument whitespace
 715                                         for (;*p && ISWHITESPACE(*p);p++)
 716                                                 ;
 717
 718                                         return p;
 719                                 }
 720                         }
 721                 }
 722                 else
 723                 {
 724                         argno = strtol(varname, &endptr, 10);
 725                         if(*endptr == 0)
 726                         {
 727                                 // whole string is a number
 728                                 // NOTE: we already made sure we don't have an empty cvar name!
 729                                 if(argno >= 0 && argno < Cmd_Argc())
 730                                         return Cmd_Argv(argno);
 731                         }
 732                 }
 733         }
 734
 735         if((cvar = Cvar_FindVar(varname)) && !(cvar->flags & CVAR_PRIVATE))
 736                 return cvar->string;
 737
 738         return NULL;
 739 }
 740
 741 qboolean Cmd_QuoteString(char *out, size_t outlen, const char *in, const char *quoteset)
 742 {
 743         qboolean quote_quot = !!strchr(quoteset, '"');
 744         qboolean quote_backslash = !!strchr(quoteset, '\\');
 745         qboolean quote_dollar = !!strchr(quoteset, '$');
 746
 747         while(*in)
 748         {
 749                 if(*in == '"' && quote_quot)
 750                 {
 751                         if(outlen <= 2)
 752                         {
 753                                 *out++ = 0;
 754                                 return false;
 755                         }
 756                         *out++ = '\\'; --outlen;
 757                         *out++ = '"'; --outlen;
 758                 }
 759                 else if(*in == '\\' && quote_backslash)
 760                 {
 761                         if(outlen <= 2)
 762                         {
 763                                 *out++ = 0;
 764                                 return false;
 765                         }
 766                         *out++ = '\\'; --outlen;
 767                         *out++ = '\\'; --outlen;
 768                 }
 769                 else if(*in == '$' && quote_dollar)
 770                 {
 771                         if(outlen <= 2)
 772                         {
 773                                 *out++ = 0;
 774                                 return false;
 775                         }
 776                         *out++ = '$'; --outlen;
 777                         *out++ = '$'; --outlen;
 778                 }
 779                 else
 780                 {
 781                         if(outlen <= 1)
 782                         {
 783                                 *out++ = 0;
 784                                 return false;
 785                         }
 786                         *out++ = *in; --outlen;
 787                 }
 788                 ++in;
 789         }
 790         *out++ = 0;
 791         return true;
 792 }
 793
 794 static const char *Cmd_GetCvarValue(const char *var, size_t varlen, cmdalias_t *alias)
 795 {
 796         static char varname[MAX_INPUTLINE];
 797         static char varval[MAX_INPUTLINE];
 798         const char *varstr;
 799         char *varfunc;
 800
 801         if(varlen >= MAX_INPUTLINE)
 802                 varlen = MAX_INPUTLINE - 1;
 803         memcpy(varname, var, varlen);
 804         varname[varlen] = 0;
 805         varfunc = strchr(varname, ' ');
 806
 807         if(varfunc)
 808         {
 809                 *varfunc = 0;
 810                 ++varfunc;
 811         }
 812
 813         if(*var == 0)
 814         {
 815                 // empty cvar name?
 816                 return NULL;
 817         }
 818
 819         varstr = NULL;
 820
 821         if(varname[0] == '$')
 822                 varstr = Cmd_GetDirectCvarValue(Cmd_GetDirectCvarValue(varname + 1, alias, NULL), alias, NULL);
 823         else
 824         {
 825                 qboolean is_multiple = false;
 826                 // Exception: $* and $n- don't use the quoted form by default
 827                 varstr = Cmd_GetDirectCvarValue(varname, alias, &is_multiple);
 828                 if(is_multiple)
 829                         if(!varfunc)
 830                                 varfunc = "asis";
 831         }
 832
 833         if(!varstr)
 834         {
 835                 if(alias)
 836                         Con_Printf("Warning: Could not expand $%s in alias %s\n", varname, alias->name);
 837                 else
 838                         Con_Printf("Warning: Could not expand $%s\n", varname);
 839                 return NULL;
 840         }
 841
 842         if(!varfunc || !strcmp(varfunc, "q")) // note: quoted form is default, use "asis" to override!
 843         {
 844                 // quote it so it can be used inside double quotes
 845                 // we just need to replace " by \", and of course, double backslashes
 846                 Cmd_QuoteString(varval, sizeof(varval), varstr, "\"\\");
 847                 return varval;
 848         }
 849         else if(!strcmp(varfunc, "asis"))
 850         {
 851                 return varstr;
 852         }
 853         else
 854                 Con_Printf("Unknown variable function %s\n", varfunc);
 855
 856         return varstr;
 857 }
 858
 859 /*
 860 Cmd_PreprocessString
 861
 862 Preprocesses strings and replaces $*, $param#, $cvar accordingly
 863 */
 864 static void Cmd_PreprocessString( const char *intext, char *outtext, unsigned maxoutlen, cmdalias_t *alias ) {
 865         const char *in;
 866         size_t eat, varlen;
 867         unsigned outlen;
 868         const char *val;
 869
 870         // don't crash if there's no room in the outtext buffer
 871         if( maxoutlen == 0 ) {
 872                 return;
 873         }
 874         maxoutlen--; // because of \0
 875
 876         in = intext;
 877         outlen = 0;
 878
 879         while( *in && outlen < maxoutlen ) {
 880                 if( *in == '$' ) {
 881                         // this is some kind of expansion, see what comes after the $
 882                         in++;
 883
 884                         // The console does the following preprocessing:
 885                         //
 886                         // - $$ is transformed to a single dollar sign.
 887                         // - $var or ${var} are expanded to the contents of the named cvar,
 888                         //   with quotation marks and backslashes quoted so it can safely
 889                         //   be used inside quotation marks (and it should always be used
 890                         //   that way)
 891                         // - ${var asis} inserts the cvar value as is, without doing this
 892                         //   quoting
 893                         // - prefix the cvar name with a dollar sign to do indirection;
 894                         //   for example, if $x has the value timelimit, ${$x} will return
 895                         //   the value of $timelimit
 896                         // - when expanding an alias, the special variable name $* refers
 897                         //   to all alias parameters, and a number refers to that numbered
 898                         //   alias parameter, where the name of the alias is $0, the first
 899                         //   parameter is $1 and so on; as a special case, $* inserts all
 900                         //   parameters, without extra quoting, so one can use $* to just
 901                         //   pass all parameters around. All parameters starting from $n
 902                         //   can be referred to as $n- (so $* is equivalent to $1-).
 903                         //
 904                         // Note: when expanding an alias, cvar expansion is done in the SAME step
 905                         // as alias expansion so that alias parameters or cvar values containing
 906                         // dollar signs have no unwanted bad side effects. However, this needs to
 907                         // be accounted for when writing complex aliases. For example,
 908                         //   alias foo "set x NEW; echo $x"
 909                         // actually expands to
 910                         //   "set x NEW; echo OLD"
 911                         // and will print OLD! To work around this, use a second alias:
 912                         //   alias foo "set x NEW; foo2"
 913                         //   alias foo2 "echo $x"
 914                         //
 915                         // Also note: lines starting with alias are exempt from cvar expansion.
 916                         // If you want cvar expansion, write "alias" instead:
 917                         //
 918                         //   set x 1
 919                         //   alias foo "echo $x"
 920                         //   "alias" bar "echo $x"
 921                         //   set x 2
 922                         //
 923                         // foo will print 2, because the variable $x will be expanded when the alias
 924                         // gets expanded. bar will print 1, because the variable $x was expanded
 925                         // at definition time. foo can be equivalently defined as
 926                         //
 927                         //   "alias" foo "echo $$x"
 928                         //
 929                         // because at definition time, $$ will get replaced to a single $.
 930
 931                         if( *in == '$' ) {
 932                                 val = "$";
 933                                 eat = 1;
 934                         } else if(*in == '{') {
 935                                 varlen = strcspn(in + 1, "}");
 936                                 if(in[varlen + 1] == '}')
 937                                 {
 938                                         val = Cmd_GetCvarValue(in + 1, varlen, alias);
 939                                         eat = varlen + 2;
 940                                 }
 941                                 else
 942                                 {
 943                                         // ran out of data?
 944                                         val = NULL;
 945                                         eat = varlen + 1;
 946                                 }
 947                         } else {
 948                                 varlen = strspn(in, "*0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_-");
 949                                 val = Cmd_GetCvarValue(in, varlen, alias);
 950                                 eat = varlen;
 951                         }
 952                         if(val)
 953                         {
 954                                 // insert the cvar value
 955                                 while(*val && outlen < maxoutlen)
 956                                         outtext[outlen++] = *val++;
 957                                 in += eat;
 958                         }
 959                         else
 960                         {
 961                                 // copy the unexpanded text
 962                                 outtext[outlen++] = '$';
 963                                 while(eat && outlen < maxoutlen)
 964                                 {
 965                                         outtext[outlen++] = *in++;
 966                                         --eat;
 967                                 }
 968                         }
 969                 } else {
 970                         outtext[outlen++] = *in++;
 971                 }
 972         }
 973         outtext[outlen] = 0;
 974 }
 975
 976 /*
 977 ============
 978 Cmd_ExecuteAlias
 979
 980 Called for aliases and fills in the alias into the cbuffer
 981 ============
 982 */
 983 static void Cmd_ExecuteAlias (cmdalias_t *alias)
 984 {
 985         static char buffer[ MAX_INPUTLINE ];
 986         static char buffer2[ MAX_INPUTLINE ];
 987         Cmd_PreprocessString( alias->value, buffer, sizeof(buffer) - 2, alias );
 988         // insert at start of command buffer, so that aliases execute in order
 989         // (fixes bug introduced by Black on 20050705)
 990
 991         // Note: Cbuf_PreprocessString will be called on this string AGAIN! So we
 992         // have to make sure that no second variable expansion takes place, otherwise
 993         // alias parameters containing dollar signs can have bad effects.
 994         Cmd_QuoteString(buffer2, sizeof(buffer2), buffer, "$");
 995         Cbuf_InsertText( buffer2 );
 996 }
 997
 998 /*
 999 ========
1000 Cmd_List
1001
1002         CmdList Added by EvilTypeGuy eviltypeguy@qeradiant.com
1003         Thanks to Matthias "Maddes" Buecher, http://www.inside3d.com/qip/
1004
1005 ========
1006 */
1007 static void Cmd_List_f (void)
1008 {
1009         cmd_function_t *cmd;
1010         const char *partial;
1011         int len, count;
1012
1013         if (Cmd_Argc() > 1)
1014         {
1015                 partial = Cmd_Argv (1);
1016                 len = (int)strlen(partial);
1017         }
1018         else
1019         {
1020                 partial = NULL;
1021                 len = 0;
1022         }
1023
1024         count = 0;
1025         for (cmd = cmd_functions; cmd; cmd = cmd->next)
1026         {
1027                 if (partial && strncmp(partial, cmd->name, len))
1028                         continue;
1029                 Con_Printf("%s : %s\n", cmd->name, cmd->description);
1030                 count++;
1031         }
1032
1033         if (partial)
1034                 Con_Printf("%i Command%s beginning with \"%s\"\n\n", count, (count > 1) ? "s" : "", partial);
1035         else
1036                 Con_Printf("%i Command%s\n\n", count, (count > 1) ? "s" : "");
1037 }
1038
1039 /*
1040 ============
1041 Cmd_Init
1042 ============
1043 */
1044 void Cmd_Init (void)
1045 {
1046         cmd_mempool = Mem_AllocPool("commands", 0, NULL);
1047         // space for commands and script files
1048         cmd_text.data = cmd_text_buf;
1049         cmd_text.maxsize = sizeof(cmd_text_buf);
1050         cmd_text.cursize = 0;
1051 }
1052
1053 void Cmd_Init_Commands (void)
1054 {
1055 //
1056 // register our commands
1057 //
1058         Cmd_AddCommand ("stuffcmds",Cmd_StuffCmds_f, "execute commandline parameters (must be present in quake.rc script)");
1059         Cmd_AddCommand ("exec",Cmd_Exec_f, "execute a script file");
1060         Cmd_AddCommand ("echo",Cmd_Echo_f, "print a message to the console (useful in scripts)");
1061         Cmd_AddCommand ("alias",Cmd_Alias_f, "create a script function (parameters are passed in as $1 through $9, and $* for all parameters)");
1062         Cmd_AddCommand ("cmd", Cmd_ForwardToServer, "send a console commandline to the server (used by some mods)");
1063         Cmd_AddCommand ("wait", Cmd_Wait_f, "make script execution wait for next rendered frame");
1064         Cmd_AddCommand ("set", Cvar_Set_f, "create or change the value of a console variable");
1065         Cmd_AddCommand ("seta", Cvar_SetA_f, "create or change the value of a console variable that will be saved to config.cfg");
1066
1067         // 2000-01-09 CmdList, CvarList commands By Matthias "Maddes" Buecher
1068         // Added/Modified by EvilTypeGuy eviltypeguy@qeradiant.com
1069         Cmd_AddCommand ("cmdlist", Cmd_List_f, "lists all console commands beginning with the specified prefix");
1070         Cmd_AddCommand ("cvarlist", Cvar_List_f, "lists all console variables beginning with the specified prefix");
1071
1072         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");
1073         Cmd_AddCommand ("cvar_resettodefaults_all", Cvar_ResetToDefaults_All_f, "sets all cvars to their locked default values");
1074         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)");
1075         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)");
1076
1077         Cmd_AddCommand ("cprint", Cmd_Centerprint_f, "print something at the screen center");
1078         Cmd_AddCommand ("defer", Cmd_Defer_f, "execute a command in the future");
1079
1080         // DRESK - 5/14/06
1081         // Support Doom3-style Toggle Command
1082         Cmd_AddCommand( "toggle", Cmd_Toggle_f, "toggles a console variable's values (use for more info)");
1083 }
1084
1085 /*
1086 ============
1087 Cmd_Shutdown
1088 ============
1089 */
1090 void Cmd_Shutdown(void)
1091 {
1092         Mem_FreePool(&cmd_mempool);
1093 }
1094
1095 /*
1096 ============
1097 Cmd_Argc
1098 ============
1099 */
1100 int             Cmd_Argc (void)
1101 {
1102         return cmd_argc;
1103 }
1104
1105 /*
1106 ============
1107 Cmd_Argv
1108 ============
1109 */
1110 const char *Cmd_Argv (int arg)
1111 {
1112         if (arg >= cmd_argc )
1113                 return cmd_null_string;
1114         return cmd_argv[arg];
1115 }
1116
1117 /*
1118 ============
1119 Cmd_Args
1120 ============
1121 */
1122 const char *Cmd_Args (void)
1123 {
1124         return cmd_args;
1125 }
1126
1127
1128 /*
1129 ============
1130 Cmd_TokenizeString
1131
1132 Parses the given string into command line tokens.
1133 ============
1134 */
1135 // AK: This function should only be called from ExcuteString because the current design is a bit of an hack
1136 static void Cmd_TokenizeString (const char *text)
1137 {
1138         int l;
1139
1140         cmd_argc = 0;
1141         cmd_args = NULL;
1142
1143         while (1)
1144         {
1145                 // skip whitespace up to a /n
1146                 while (*text && ISWHITESPACE(*text) && *text != '\r' && *text != '\n')
1147                         text++;
1148
1149                 // line endings:
1150                 // UNIX: \n
1151                 // Mac: \r
1152                 // Windows: \r\n
1153                 if (*text == '\n' || *text == '\r')
1154                 {
1155                         // a newline separates commands in the buffer
1156                         if (*text == '\r' && text[1] == '\n')
1157                                 text++;
1158                         text++;
1159                         break;
1160                 }
1161
1162                 if (!*text)
1163                         return;
1164
1165                 if (cmd_argc == 1)
1166                         cmd_args = text;
1167
1168                 if (!COM_ParseToken_Console(&text))
1169                         return;
1170
1171                 if (cmd_argc < MAX_ARGS)
1172                 {
1173                         l = (int)strlen(com_token) + 1;
1174                         if (cmd_tokenizebufferpos + l > CMD_TOKENIZELENGTH)
1175                         {
1176                                 Con_Printf("Cmd_TokenizeString: ran out of %i character buffer space for command arguements\n", CMD_TOKENIZELENGTH);
1177                                 break;
1178                         }
1179                         memcpy (cmd_tokenizebuffer + cmd_tokenizebufferpos, com_token, l);
1180                         cmd_argv[cmd_argc] = cmd_tokenizebuffer + cmd_tokenizebufferpos;
1181                         cmd_tokenizebufferpos += l;
1182                         cmd_argc++;
1183                 }
1184         }
1185 }
1186
1187
1188 /*
1189 ============
1190 Cmd_AddCommand
1191 ============
1192 */
1193 void Cmd_AddCommand_WithClientCommand (const char *cmd_name, xcommand_t consolefunction, xcommand_t clientfunction, const char *description)
1194 {
1195         cmd_function_t *cmd;
1196         cmd_function_t *prev, *current;
1197
1198 // fail if the command is a variable name
1199         if (Cvar_FindVar( cmd_name ))
1200         {
1201                 Con_Printf("Cmd_AddCommand: %s already defined as a var\n", cmd_name);
1202                 return;
1203         }
1204
1205 // fail if the command already exists
1206         for (cmd=cmd_functions ; cmd ; cmd=cmd->next)
1207         {
1208                 if (!strcmp (cmd_name, cmd->name))
1209                 {
1210                         if (consolefunction || clientfunction)
1211                         {
1212                                 Con_Printf("Cmd_AddCommand: %s already defined\n", cmd_name);
1213                                 return;
1214                         }
1215                         else    //[515]: csqc
1216                         {
1217                                 cmd->csqcfunc = true;
1218                                 return;
1219                         }
1220                 }
1221         }
1222
1223         cmd = (cmd_function_t *)Mem_Alloc(cmd_mempool, sizeof(cmd_function_t));
1224         cmd->name = cmd_name;
1225         cmd->consolefunction = consolefunction;
1226         cmd->clientfunction = clientfunction;
1227         cmd->description = description;
1228         if(!consolefunction && !clientfunction)                 //[515]: csqc
1229                 cmd->csqcfunc = true;
1230         cmd->next = cmd_functions;
1231
1232 // insert it at the right alphanumeric position
1233         for( prev = NULL, current = cmd_functions ; current && strcmp( current->name, cmd->name ) < 0 ; prev = current, current = current->next )
1234                 ;
1235         if( prev ) {
1236                 prev->next = cmd;
1237         } else {
1238                 cmd_functions = cmd;
1239         }
1240         cmd->next = current;
1241 }
1242
1243 void Cmd_AddCommand (const char *cmd_name, xcommand_t function, const char *description)
1244 {
1245         Cmd_AddCommand_WithClientCommand (cmd_name, function, NULL, description);
1246 }
1247
1248 /*
1249 ============
1250 Cmd_Exists
1251 ============
1252 */
1253 qboolean Cmd_Exists (const char *cmd_name)
1254 {
1255         cmd_function_t  *cmd;
1256
1257         for (cmd=cmd_functions ; cmd ; cmd=cmd->next)
1258                 if (!strcmp (cmd_name,cmd->name))
1259                         return true;
1260
1261         return false;
1262 }
1263
1264
1265 /*
1266 ============
1267 Cmd_CompleteCommand
1268 ============
1269 */
1270 const char *Cmd_CompleteCommand (const char *partial)
1271 {
1272         cmd_function_t *cmd;
1273         size_t len;
1274
1275         len = strlen(partial);
1276
1277         if (!len)
1278                 return NULL;
1279
1280 // check functions
1281         for (cmd = cmd_functions; cmd; cmd = cmd->next)
1282                 if (!strncasecmp(partial, cmd->name, len))
1283                         return cmd->name;
1284
1285         return NULL;
1286 }
1287
1288 /*
1289         Cmd_CompleteCountPossible
1290
1291         New function for tab-completion system
1292         Added by EvilTypeGuy
1293         Thanks to Fett erich@heintz.com
1294         Thanks to taniwha
1295
1296 */
1297 int Cmd_CompleteCountPossible (const char *partial)
1298 {
1299         cmd_function_t *cmd;
1300         size_t len;
1301         int h;
1302
1303         h = 0;
1304         len = strlen(partial);
1305
1306         if (!len)
1307                 return 0;
1308
1309         // Loop through the command list and count all partial matches
1310         for (cmd = cmd_functions; cmd; cmd = cmd->next)
1311                 if (!strncasecmp(partial, cmd->name, len))
1312                         h++;
1313
1314         return h;
1315 }
1316
1317 /*
1318         Cmd_CompleteBuildList
1319
1320         New function for tab-completion system
1321         Added by EvilTypeGuy
1322         Thanks to Fett erich@heintz.com
1323         Thanks to taniwha
1324
1325 */
1326 const char **Cmd_CompleteBuildList (const char *partial)
1327 {
1328         cmd_function_t *cmd;
1329         size_t len = 0;
1330         size_t bpos = 0;
1331         size_t sizeofbuf = (Cmd_CompleteCountPossible (partial) + 1) * sizeof (const char *);
1332         const char **buf;
1333
1334         len = strlen(partial);
1335         buf = (const char **)Mem_Alloc(tempmempool, sizeofbuf + sizeof (const char *));
1336         // Loop through the alias list and print all matches
1337         for (cmd = cmd_functions; cmd; cmd = cmd->next)
1338                 if (!strncasecmp(partial, cmd->name, len))
1339                         buf[bpos++] = cmd->name;
1340
1341         buf[bpos] = NULL;
1342         return buf;
1343 }
1344
1345 // written by LordHavoc
1346 void Cmd_CompleteCommandPrint (const char *partial)
1347 {
1348         cmd_function_t *cmd;
1349         size_t len = strlen(partial);
1350         // Loop through the command list and print all matches
1351         for (cmd = cmd_functions; cmd; cmd = cmd->next)
1352                 if (!strncasecmp(partial, cmd->name, len))
1353                         Con_Printf("%s : %s\n", cmd->name, cmd->description);
1354 }
1355
1356 /*
1357         Cmd_CompleteAlias
1358
1359         New function for tab-completion system
1360         Added by EvilTypeGuy
1361         Thanks to Fett erich@heintz.com
1362         Thanks to taniwha
1363
1364 */
1365 const char *Cmd_CompleteAlias (const char *partial)
1366 {
1367         cmdalias_t *alias;
1368         size_t len;
1369
1370         len = strlen(partial);
1371
1372         if (!len)
1373                 return NULL;
1374
1375         // Check functions
1376         for (alias = cmd_alias; alias; alias = alias->next)
1377                 if (!strncasecmp(partial, alias->name, len))
1378                         return alias->name;
1379
1380         return NULL;
1381 }
1382
1383 // written by LordHavoc
1384 void Cmd_CompleteAliasPrint (const char *partial)
1385 {
1386         cmdalias_t *alias;
1387         size_t len = strlen(partial);
1388         // Loop through the alias list and print all matches
1389         for (alias = cmd_alias; alias; alias = alias->next)
1390                 if (!strncasecmp(partial, alias->name, len))
1391                         Con_Printf("%s : %s\n", alias->name, alias->value);
1392 }
1393
1394
1395 /*
1396         Cmd_CompleteAliasCountPossible
1397
1398         New function for tab-completion system
1399         Added by EvilTypeGuy
1400         Thanks to Fett erich@heintz.com
1401         Thanks to taniwha
1402
1403 */
1404 int Cmd_CompleteAliasCountPossible (const char *partial)
1405 {
1406         cmdalias_t      *alias;
1407         size_t          len;
1408         int                     h;
1409
1410         h = 0;
1411
1412         len = strlen(partial);
1413
1414         if (!len)
1415                 return 0;
1416
1417         // Loop through the command list and count all partial matches
1418         for (alias = cmd_alias; alias; alias = alias->next)
1419                 if (!strncasecmp(partial, alias->name, len))
1420                         h++;
1421
1422         return h;
1423 }
1424
1425 /*
1426         Cmd_CompleteAliasBuildList
1427
1428         New function for tab-completion system
1429         Added by EvilTypeGuy
1430         Thanks to Fett erich@heintz.com
1431         Thanks to taniwha
1432
1433 */
1434 const char **Cmd_CompleteAliasBuildList (const char *partial)
1435 {
1436         cmdalias_t *alias;
1437         size_t len = 0;
1438         size_t bpos = 0;
1439         size_t sizeofbuf = (Cmd_CompleteAliasCountPossible (partial) + 1) * sizeof (const char *);
1440         const char **buf;
1441
1442         len = strlen(partial);
1443         buf = (const char **)Mem_Alloc(tempmempool, sizeofbuf + sizeof (const char *));
1444         // Loop through the alias list and print all matches
1445         for (alias = cmd_alias; alias; alias = alias->next)
1446                 if (!strncasecmp(partial, alias->name, len))
1447                         buf[bpos++] = alias->name;
1448
1449         buf[bpos] = NULL;
1450         return buf;
1451 }
1452
1453 void Cmd_ClearCsqcFuncs (void)
1454 {
1455         cmd_function_t *cmd;
1456         for (cmd=cmd_functions ; cmd ; cmd=cmd->next)
1457                 cmd->csqcfunc = false;
1458 }
1459
1460 qboolean CL_VM_ConsoleCommand (const char *cmd);
1461 /*
1462 ============
1463 Cmd_ExecuteString
1464
1465 A complete command line has been parsed, so try to execute it
1466 FIXME: lookupnoadd the token to speed search?
1467 ============
1468 */
1469 void Cmd_ExecuteString (const char *text, cmd_source_t src)
1470 {
1471         int oldpos;
1472         int found;
1473         cmd_function_t *cmd;
1474         cmdalias_t *a;
1475
1476         oldpos = cmd_tokenizebufferpos;
1477         cmd_source = src;
1478         found = false;
1479
1480         Cmd_TokenizeString (text);
1481
1482 // execute the command line
1483         if (!Cmd_Argc())
1484         {
1485                 cmd_tokenizebufferpos = oldpos;
1486                 return;         // no tokens
1487         }
1488
1489 // check functions
1490         for (cmd=cmd_functions ; cmd ; cmd=cmd->next)
1491         {
1492                 if (!strcasecmp (cmd_argv[0],cmd->name))
1493                 {
1494                         if (cmd->csqcfunc && CL_VM_ConsoleCommand (text))       //[515]: csqc
1495                                 return;
1496                         switch (src)
1497                         {
1498                         case src_command:
1499                                 if (cmd->consolefunction)
1500                                         cmd->consolefunction ();
1501                                 else if (cmd->clientfunction)
1502                                 {
1503                                         if (cls.state == ca_connected)
1504                                         {
1505                                                 // forward remote commands to the server for execution
1506                                                 Cmd_ForwardToServer();
1507                                         }
1508                                         else
1509                                                 Con_Printf("Can not send command \"%s\", not connected.\n", Cmd_Argv(0));
1510                                 }
1511                                 else
1512                                         Con_Printf("Command \"%s\" can not be executed\n", Cmd_Argv(0));
1513                                 found = true;
1514                                 goto command_found;
1515                                 break;
1516                         case src_client:
1517                                 if (cmd->clientfunction)
1518                                 {
1519                                         cmd->clientfunction ();
1520                                         cmd_tokenizebufferpos = oldpos;
1521                                         return;
1522                                 }
1523                                 break;
1524                         }
1525                         break;
1526                 }
1527         }
1528 command_found:
1529
1530         // if it's a client command and no command was found, say so.
1531         if (cmd_source == src_client)
1532         {
1533                 Con_Printf("player \"%s\" tried to %s\n", host_client->name, text);
1534                 cmd_tokenizebufferpos = oldpos;
1535                 return;
1536         }
1537
1538 // check alias
1539         for (a=cmd_alias ; a ; a=a->next)
1540         {
1541                 if (!strcasecmp (cmd_argv[0], a->name))
1542                 {
1543                         Cmd_ExecuteAlias(a);
1544                         cmd_tokenizebufferpos = oldpos;
1545                         return;
1546                 }
1547         }
1548
1549         if(found) // if the command was hooked and found, all is good
1550         {
1551                 cmd_tokenizebufferpos = oldpos;
1552                 return;
1553         }
1554
1555 // check cvars
1556         if (!Cvar_Command () && host_framecount > 0)
1557                 Con_Printf("Unknown command \"%s\"\n", Cmd_Argv(0));
1558
1559         cmd_tokenizebufferpos = oldpos;
1560 }
1561
1562
1563 /*
1564 ===================
1565 Cmd_ForwardStringToServer
1566
1567 Sends an entire command string over to the server, unprocessed
1568 ===================
1569 */
1570 void Cmd_ForwardStringToServer (const char *s)
1571 {
1572         char temp[128];
1573         if (cls.state != ca_connected)
1574         {
1575                 Con_Printf("Can't \"%s\", not connected\n", s);
1576                 return;
1577         }
1578
1579         if (!cls.netcon)
1580                 return;
1581
1582         // LordHavoc: thanks to Fuh for bringing the pure evil of SZ_Print to my
1583         // attention, it has been eradicated from here, its only (former) use in
1584         // all of darkplaces.
1585         if (cls.protocol == PROTOCOL_QUAKEWORLD)
1586                 MSG_WriteByte(&cls.netcon->message, qw_clc_stringcmd);
1587         else
1588                 MSG_WriteByte(&cls.netcon->message, clc_stringcmd);
1589         if ((!strncmp(s, "say ", 4) || !strncmp(s, "say_team ", 9)) && cl_locs_enable.integer)
1590         {
1591                 // say/say_team commands can replace % character codes with status info
1592                 while (*s)
1593                 {
1594                         if (*s == '%' && s[1])
1595                         {
1596                                 // handle proquake message macros
1597                                 temp[0] = 0;
1598                                 switch (s[1])
1599                                 {
1600                                 case 'l': // current location
1601                                         CL_Locs_FindLocationName(temp, sizeof(temp), cl.movement_origin);
1602                                         break;
1603                                 case 'h': // current health
1604                                         dpsnprintf(temp, sizeof(temp), "%i", cl.stats[STAT_HEALTH]);
1605                                         break;
1606                                 case 'a': // current armor
1607                                         dpsnprintf(temp, sizeof(temp), "%i", cl.stats[STAT_ARMOR]);
1608                                         break;
1609                                 case 'x': // current rockets
1610                                         dpsnprintf(temp, sizeof(temp), "%i", cl.stats[STAT_ROCKETS]);
1611                                         break;
1612                                 case 'c': // current cells
1613                                         dpsnprintf(temp, sizeof(temp), "%i", cl.stats[STAT_CELLS]);
1614                                         break;
1615                                 // silly proquake macros
1616                                 case 'd': // loc at last death
1617                                         CL_Locs_FindLocationName(temp, sizeof(temp), cl.lastdeathorigin);
1618                                         break;
1619                                 case 't': // current time
1620                                         dpsnprintf(temp, sizeof(temp), "%.0f:%.0f", floor(cl.time / 60), cl.time - floor(cl.time / 60) * 60);
1621                                         break;
1622                                 case 'r': // rocket launcher status ("I have RL", "I need rockets", "I need RL")
1623                                         if (!(cl.stats[STAT_ITEMS] & IT_ROCKET_LAUNCHER))
1624                                                 dpsnprintf(temp, sizeof(temp), "I need RL");
1625                                         else if (!cl.stats[STAT_ROCKETS])
1626                                                 dpsnprintf(temp, sizeof(temp), "I need rockets");
1627                                         else
1628                                                 dpsnprintf(temp, sizeof(temp), "I have RL");
1629                                         break;
1630                                 case 'p': // powerup status (outputs "quad" "pent" and "eyes" according to status)
1631                                         if (cl.stats[STAT_ITEMS] & IT_QUAD)
1632                                         {
1633                                                 if (temp[0])
1634                                                         strlcat(temp, " ", sizeof(temp));
1635                                                 strlcat(temp, "quad", sizeof(temp));
1636                                         }
1637                                         if (cl.stats[STAT_ITEMS] & IT_INVULNERABILITY)
1638                                         {
1639                                                 if (temp[0])
1640                                                         strlcat(temp, " ", sizeof(temp));
1641                                                 strlcat(temp, "pent", sizeof(temp));
1642                                         }
1643                                         if (cl.stats[STAT_ITEMS] & IT_INVISIBILITY)
1644                                         {
1645                                                 if (temp[0])
1646                                                         strlcat(temp, " ", sizeof(temp));
1647                                                 strlcat(temp, "eyes", sizeof(temp));
1648                                         }
1649                                         break;
1650                                 case 'w': // weapon status (outputs "SSG:NG:SNG:GL:RL:LG" with the text between : characters omitted if you lack the weapon)
1651                                         if (cl.stats[STAT_ITEMS] & IT_SUPER_SHOTGUN)
1652                                                 strlcat(temp, "SSG", sizeof(temp));
1653                                         strlcat(temp, ":", sizeof(temp));
1654                                         if (cl.stats[STAT_ITEMS] & IT_NAILGUN)
1655                                                 strlcat(temp, "NG", sizeof(temp));
1656                                         strlcat(temp, ":", sizeof(temp));
1657                                         if (cl.stats[STAT_ITEMS] & IT_SUPER_NAILGUN)
1658                                                 strlcat(temp, "SNG", sizeof(temp));
1659                                         strlcat(temp, ":", sizeof(temp));
1660                                         if (cl.stats[STAT_ITEMS] & IT_GRENADE_LAUNCHER)
1661                                                 strlcat(temp, "GL", sizeof(temp));
1662                                         strlcat(temp, ":", sizeof(temp));
1663                                         if (cl.stats[STAT_ITEMS] & IT_ROCKET_LAUNCHER)
1664                                                 strlcat(temp, "RL", sizeof(temp));
1665                                         strlcat(temp, ":", sizeof(temp));
1666                                         if (cl.stats[STAT_ITEMS] & IT_LIGHTNING)
1667                                                 strlcat(temp, "LG", sizeof(temp));
1668                                         break;
1669                                 default:
1670                                         // not a recognized macro, print it as-is...
1671                                         temp[0] = s[0];
1672                                         temp[1] = s[1];
1673                                         temp[2] = 0;
1674                                         break;
1675                                 }
1676                                 // write the resulting text
1677                                 SZ_Write(&cls.netcon->message, (unsigned char *)temp, strlen(temp));
1678                                 s += 2;
1679                                 continue;
1680                         }
1681                         MSG_WriteByte(&cls.netcon->message, *s);
1682                         s++;
1683                 }
1684                 MSG_WriteByte(&cls.netcon->message, 0);
1685         }
1686         else // any other command is passed on as-is
1687                 SZ_Write(&cls.netcon->message, (const unsigned char *)s, (int)strlen(s) + 1);
1688 }
1689
1690 /*
1691 ===================
1692 Cmd_ForwardToServer
1693
1694 Sends the entire command line over to the server
1695 ===================
1696 */
1697 void Cmd_ForwardToServer (void)
1698 {
1699         const char *s;
1700         if (!strcasecmp(Cmd_Argv(0), "cmd"))
1701         {
1702                 // we want to strip off "cmd", so just send the args
1703                 s = Cmd_Argc() > 1 ? Cmd_Args() : "";
1704         }
1705         else
1706         {
1707                 // we need to keep the command name, so send Cmd_Argv(0), a space and then Cmd_Args()
1708                 s = va("%s %s", Cmd_Argv(0), Cmd_Argc() > 1 ? Cmd_Args() : "");
1709         }
1710         // don't send an empty forward message if the user tries "cmd" by itself
1711         if (!s || !*s)
1712                 return;
1713         Cmd_ForwardStringToServer(s);
1714 }
1715
1716
1717 /*
1718 ================
1719 Cmd_CheckParm
1720
1721 Returns the position (1 to argc-1) in the command's argument list
1722 where the given parameter apears, or 0 if not present
1723 ================
1724 */
1725
1726 int Cmd_CheckParm (const char *parm)
1727 {
1728         int i;
1729
1730         if (!parm)
1731         {
1732                 Con_Printf ("Cmd_CheckParm: NULL");
1733                 return 0;
1734         }
1735
1736         for (i = 1; i < Cmd_Argc (); i++)
1737                 if (!strcasecmp (parm, Cmd_Argv (i)))
1738                         return i;
1739
1740         return 0;
1741 }
1742