prvm_edict.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 // AK new vm
  21
  22 #include "quakedef.h"
  23 #include "progsvm.h"
  24
  25 prvm_prog_t *prog;
  26
  27 static prvm_prog_t prog_list[PRVM_MAXPROGS];
  28
  29 int             prvm_type_size[8] = {1,sizeof(string_t)/4,1,3,1,1,sizeof(func_t)/4,sizeof(void *)/4};
  30
  31 ddef_t *PRVM_ED_FieldAtOfs(int ofs);
  32 qboolean PRVM_ED_ParseEpair(prvm_edict_t *ent, ddef_t *key, const char *s, qboolean parsebackslash);
  33
  34 // LordHavoc: prints every opcode as it executes - warning: this is significant spew
  35 cvar_t prvm_traceqc = {0, "prvm_traceqc", "0", "prints every QuakeC statement as it is executed (only for really thorough debugging!)"};
  36 // LordHavoc: counts usage of each QuakeC statement
  37 cvar_t prvm_statementprofiling = {0, "prvm_statementprofiling", "0", "counts how many times each QuakeC statement has been executed, these counts are displayed in prvm_printfunction output (if enabled)"};
  38 cvar_t prvm_backtraceforwarnings = {0, "prvm_backtraceforwarnings", "0", "print a backtrace for warnings too"};
  39 cvar_t prvm_leaktest = {0, "prvm_leaktest", "0", "try to detect memory leaks in strings or entities"};
  40 cvar_t prvm_leaktest_ignore_classnames = {0, "prvm_leaktest_ignore_classnames", "", "classnames of entities to NOT leak check because they are found by find(world, classname, ...) but are actually spawned by QC code (NOT map entities)"};
  41 cvar_t prvm_errordump = {0, "prvm_errordump", "0", "write a savegame on crash to crash-server.dmp"};
  42 cvar_t prvm_reuseedicts_startuptime = {0, "prvm_reuseedicts_startuptime", "2", "allows immediate re-use of freed entity slots during start of new level (value in seconds)"};
  43 cvar_t prvm_reuseedicts_neverinsameframe = {0, "prvm_reuseedicts_neverinsameframe", "1", "never allows re-use of freed entity slots during same frame"};
  44
  45 qboolean prvm_runawaycheck = true;
  46
  47 // LordHavoc: optional runtime bounds checking (speed drain, but worth it for security, on by default - breaks most QCCX features (used by CRMod and others))
  48 // enables detection of out of bounds memory access in the QuakeC code being run (in other words, prevents really exceedingly bad QuakeC code from doing nasty things to your computer)
  49 qboolean prvm_boundscheck = true;
  50
  51 extern sizebuf_t vm_tempstringsbuf;
  52
  53 //============================================================================
  54 // mempool handling
  55
  56 /*
  57 ===============
  58 PRVM_MEM_Alloc
  59 ===============
  60 */
  61 void PRVM_MEM_Alloc(void)
  62 {
  63         int i;
  64
  65         // reserve space for the null entity aka world
  66         // check bound of max_edicts
  67         prog->max_edicts = bound(1 + prog->reserved_edicts, prog->max_edicts, prog->limit_edicts);
  68         prog->num_edicts = bound(1 + prog->reserved_edicts, prog->num_edicts, prog->max_edicts);
  69
  70         // edictprivate_size has to be min as big prvm_edict_private_t
  71         prog->edictprivate_size = max(prog->edictprivate_size,(int)sizeof(prvm_edict_private_t));
  72
  73         // alloc edicts
  74         prog->edicts = (prvm_edict_t *)Mem_Alloc(prog->progs_mempool,prog->limit_edicts * sizeof(prvm_edict_t));
  75
  76         // alloc edict private space
  77         prog->edictprivate = Mem_Alloc(prog->progs_mempool, prog->max_edicts * prog->edictprivate_size);
  78
  79         // alloc edict fields
  80         prog->edictsfields = Mem_Alloc(prog->progs_mempool, prog->max_edicts * prog->edict_size);
  81
  82         // set edict pointers
  83         for(i = 0; i < prog->max_edicts; i++)
  84         {
  85                 prog->edicts[i].priv.required = (prvm_edict_private_t *)((unsigned char  *)prog->edictprivate + i * prog->edictprivate_size);
  86                 prog->edicts[i].fields.vp = (void*)((unsigned char *)prog->edictsfields + i * prog->edict_size);
  87         }
  88 }
  89
  90 /*
  91 ===============
  92 PRVM_MEM_IncreaseEdicts
  93 ===============
  94 */
  95 void PRVM_MEM_IncreaseEdicts(void)
  96 {
  97         int             i;
  98         int             oldmaxedicts = prog->max_edicts;
  99         void    *oldedictsfields = prog->edictsfields;
 100         void    *oldedictprivate = prog->edictprivate;
 101
 102         if(prog->max_edicts >= prog->limit_edicts)
 103                 return;
 104
 105         PRVM_GCALL(begin_increase_edicts)();
 106
 107         // increase edicts
 108         prog->max_edicts = min(prog->max_edicts + 256, prog->limit_edicts);
 109
 110         prog->edictsfields = Mem_Alloc(prog->progs_mempool, prog->max_edicts * prog->edict_size);
 111         prog->edictprivate = Mem_Alloc(prog->progs_mempool, prog->max_edicts * prog->edictprivate_size);
 112
 113         memcpy(prog->edictsfields, oldedictsfields, oldmaxedicts * prog->edict_size);
 114         memcpy(prog->edictprivate, oldedictprivate, oldmaxedicts * prog->edictprivate_size);
 115
 116         //set e and v pointers
 117         for(i = 0; i < prog->max_edicts; i++)
 118         {
 119                 prog->edicts[i].priv.required  = (prvm_edict_private_t *)((unsigned char  *)prog->edictprivate + i * prog->edictprivate_size);
 120                 prog->edicts[i].fields.vp = (void*)((unsigned char *)prog->edictsfields + i * prog->edict_size);
 121         }
 122
 123         PRVM_GCALL(end_increase_edicts)();
 124
 125         Mem_Free(oldedictsfields);
 126         Mem_Free(oldedictprivate);
 127 }
 128
 129 //============================================================================
 130 // normal prvm
 131
 132 int PRVM_ED_FindFieldOffset(const char *field)
 133 {
 134         ddef_t *d;
 135         d = PRVM_ED_FindField(field);
 136         if (!d)
 137                 return -1;
 138         return d->ofs;
 139 }
 140
 141 int PRVM_ED_FindGlobalOffset(const char *global)
 142 {
 143         ddef_t *d;
 144         d = PRVM_ED_FindGlobal(global);
 145         if (!d)
 146                 return -1;
 147         return d->ofs;
 148 }
 149
 150 func_t PRVM_ED_FindFunctionOffset(const char *function)
 151 {
 152         mfunction_t *f;
 153         f = PRVM_ED_FindFunction(function);
 154         if (!f)
 155                 return 0;
 156         return (func_t)(f - prog->functions);
 157 }
 158
 159 qboolean PRVM_ProgLoaded(int prognr)
 160 {
 161         if(prognr < 0 || prognr >= PRVM_MAXPROGS)
 162                 return FALSE;
 163
 164         return (prog_list[prognr].loaded ? TRUE : FALSE);
 165 }
 166
 167 /*
 168 =================
 169 PRVM_SetProgFromString
 170 =================
 171 */
 172 // perhaps add a return value when the str doesnt exist
 173 qboolean PRVM_SetProgFromString(const char *str)
 174 {
 175         int i = 0;
 176         for(; i < PRVM_MAXPROGS ; i++)
 177                 if(prog_list[i].name && !strcmp(prog_list[i].name,str))
 178                 {
 179                         if(prog_list[i].loaded)
 180                         {
 181                                 prog = &prog_list[i];
 182                                 return TRUE;
 183                         }
 184                         else
 185                         {
 186                                 Con_Printf("%s not loaded !\n",PRVM_NAME);
 187                                 return FALSE;
 188                         }
 189                 }
 190
 191         Con_Printf("Invalid program name %s !\n", str);
 192         return FALSE;
 193 }
 194
 195 /*
 196 =================
 197 PRVM_SetProg
 198 =================
 199 */
 200 void PRVM_SetProg(int prognr)
 201 {
 202         if(0 <= prognr && prognr < PRVM_MAXPROGS)
 203         {
 204                 if(prog_list[prognr].loaded)
 205                         prog = &prog_list[prognr];
 206                 else
 207                         PRVM_ERROR("%i not loaded !", prognr);
 208                 return;
 209         }
 210         PRVM_ERROR("Invalid program number %i", prognr);
 211 }
 212
 213 /*
 214 =================
 215 PRVM_ED_ClearEdict
 216
 217 Sets everything to NULL
 218 =================
 219 */
 220 void PRVM_ED_ClearEdict (prvm_edict_t *e)
 221 {
 222         memset (e->fields.vp, 0, prog->progs->entityfields * 4);
 223         e->priv.required->free = false;
 224
 225         // AK: Let the init_edict function determine if something needs to be initialized
 226         PRVM_GCALL(init_edict)(e);
 227 }
 228
 229 const char *PRVM_AllocationOrigin(void)
 230 {
 231         char *buf = NULL;
 232         if(prog->leaktest_active)
 233         if(prog->depth > 0) // actually in QC code and not just parsing the entities block of a map/savegame
 234         {
 235                 buf = (char *)PRVM_Alloc(128);
 236                 PRVM_ShortStackTrace(buf, 128);
 237         }
 238         return buf;
 239 }
 240
 241 /*
 242 =================
 243 PRVM_ED_CanAlloc
 244
 245 Returns if this particular edict could get allocated by PRVM_ED_Alloc
 246 =================
 247 */
 248 qboolean PRVM_ED_CanAlloc(prvm_edict_t *e)
 249 {
 250         if(!e->priv.required->free)
 251                 return false;
 252         if(realtime <= e->priv.required->freetime && prvm_reuseedicts_neverinsameframe.integer)
 253                 return false; // never allow reuse in same frame (causes networking trouble)
 254         if(e->priv.required->freetime < prog->starttime + prvm_reuseedicts_startuptime.value)
 255                 return true;
 256         if(realtime > e->priv.required->freetime + 1)
 257                 return true;
 258         return false; // entity slot still blocked because the entity was freed less than one second ago
 259 }
 260
 261 /*
 262 =================
 263 PRVM_ED_Alloc
 264
 265 Either finds a free edict, or allocates a new one.
 266 Try to avoid reusing an entity that was recently freed, because it
 267 can cause the client to think the entity morphed into something else
 268 instead of being removed and recreated, which can cause interpolated
 269 angles and bad trails.
 270 =================
 271 */
 272 prvm_edict_t *PRVM_ED_Alloc (void)
 273 {
 274         int                     i;
 275         prvm_edict_t            *e;
 276
 277         // the client qc dont need maxclients
 278         // thus it doesnt need to use svs.maxclients
 279         // AK:  changed i=svs.maxclients+1
 280         // AK:  changed so the edict 0 wont spawn -> used as reserved/world entity
 281         //              although the menu/client has no world
 282         for (i = prog->reserved_edicts + 1;i < prog->num_edicts;i++)
 283         {
 284                 e = PRVM_EDICT_NUM(i);
 285                 if(PRVM_ED_CanAlloc(e))
 286                 {
 287                         PRVM_ED_ClearEdict (e);
 288                         e->priv.required->allocation_origin = PRVM_AllocationOrigin();
 289                         return e;
 290                 }
 291         }
 292
 293         if (i == prog->limit_edicts)
 294                 PRVM_ERROR ("%s: PRVM_ED_Alloc: no free edicts",PRVM_NAME);
 295
 296         prog->num_edicts++;
 297         if (prog->num_edicts >= prog->max_edicts)
 298                 PRVM_MEM_IncreaseEdicts();
 299
 300         e = PRVM_EDICT_NUM(i);
 301         PRVM_ED_ClearEdict (e);
 302
 303         e->priv.required->allocation_origin = PRVM_AllocationOrigin();
 304
 305         return e;
 306 }
 307
 308 /*
 309 =================
 310 PRVM_ED_Free
 311
 312 Marks the edict as free
 313 FIXME: walk all entities and NULL out references to this entity
 314 =================
 315 */
 316 void PRVM_ED_Free (prvm_edict_t *ed)
 317 {
 318         // dont delete the null entity (world) or reserved edicts
 319         if(PRVM_NUM_FOR_EDICT(ed) <= prog->reserved_edicts )
 320                 return;
 321
 322         PRVM_GCALL(free_edict)(ed);
 323
 324         ed->priv.required->free = true;
 325         ed->priv.required->freetime = realtime;
 326         if(ed->priv.required->allocation_origin)
 327         {
 328                 PRVM_Free((char *)ed->priv.required->allocation_origin);
 329                 ed->priv.required->allocation_origin = NULL;
 330         }
 331 }
 332
 333 //===========================================================================
 334
 335 /*
 336 ============
 337 PRVM_ED_GlobalAtOfs
 338 ============
 339 */
 340 ddef_t *PRVM_ED_GlobalAtOfs (int ofs)
 341 {
 342         ddef_t          *def;
 343         int                     i;
 344
 345         for (i=0 ; i<prog->progs->numglobaldefs ; i++)
 346         {
 347                 def = &prog->globaldefs[i];
 348                 if (def->ofs == ofs)
 349                         return def;
 350         }
 351         return NULL;
 352 }
 353
 354 /*
 355 ============
 356 PRVM_ED_FieldAtOfs
 357 ============
 358 */
 359 ddef_t *PRVM_ED_FieldAtOfs (int ofs)
 360 {
 361         ddef_t          *def;
 362         int                     i;
 363
 364         for (i=0 ; i<prog->progs->numfielddefs ; i++)
 365         {
 366                 def = &prog->fielddefs[i];
 367                 if (def->ofs == ofs)
 368                         return def;
 369         }
 370         return NULL;
 371 }
 372
 373 /*
 374 ============
 375 PRVM_ED_FindField
 376 ============
 377 */
 378 ddef_t *PRVM_ED_FindField (const char *name)
 379 {
 380         ddef_t *def;
 381         int i;
 382
 383         for (i=0 ; i<prog->progs->numfielddefs ; i++)
 384         {
 385                 def = &prog->fielddefs[i];
 386                 if (!strcmp(PRVM_GetString(def->s_name), name))
 387                         return def;
 388         }
 389         return NULL;
 390 }
 391
 392 /*
 393 ============
 394 PRVM_ED_FindGlobal
 395 ============
 396 */
 397 ddef_t *PRVM_ED_FindGlobal (const char *name)
 398 {
 399         ddef_t *def;
 400         int i;
 401
 402         for (i=0 ; i<prog->progs->numglobaldefs ; i++)
 403         {
 404                 def = &prog->globaldefs[i];
 405                 if (!strcmp(PRVM_GetString(def->s_name), name))
 406                         return def;
 407         }
 408         return NULL;
 409 }
 410
 411
 412 /*
 413 ============
 414 PRVM_ED_FindFunction
 415 ============
 416 */
 417 mfunction_t *PRVM_ED_FindFunction (const char *name)
 418 {
 419         mfunction_t             *func;
 420         int                             i;
 421
 422         for (i=0 ; i<prog->progs->numfunctions ; i++)
 423         {
 424                 func = &prog->functions[i];
 425                 if (!strcmp(PRVM_GetString(func->s_name), name))
 426                         return func;
 427         }
 428         return NULL;
 429 }
 430
 431
 432 /*
 433 ============
 434 PRVM_ValueString
 435
 436 Returns a string describing *data in a type specific manner
 437 =============
 438 */
 439 char *PRVM_ValueString (etype_t type, prvm_eval_t *val)
 440 {
 441         static char line[MAX_INPUTLINE];
 442         ddef_t *def;
 443         mfunction_t *f;
 444         int n;
 445
 446         type = (etype_t)((int) type & ~DEF_SAVEGLOBAL);
 447
 448         switch (type)
 449         {
 450         case ev_string:
 451                 strlcpy (line, PRVM_GetString (val->string), sizeof (line));
 452                 break;
 453         case ev_entity:
 454                 n = val->edict;
 455                 if (n < 0 || n >= prog->limit_edicts)
 456                         dpsnprintf (line, sizeof(line), "entity %i (invalid!)", n);
 457                 else
 458                         dpsnprintf (line, sizeof(line), "entity %i", n);
 459                 break;
 460         case ev_function:
 461                 f = prog->functions + val->function;
 462                 dpsnprintf (line, sizeof(line), "%s()", PRVM_GetString(f->s_name));
 463                 break;
 464         case ev_field:
 465                 def = PRVM_ED_FieldAtOfs ( val->_int );
 466                 dpsnprintf (line, sizeof(line), ".%s", PRVM_GetString(def->s_name));
 467                 break;
 468         case ev_void:
 469                 dpsnprintf (line, sizeof(line), "void");
 470                 break;
 471         case ev_float:
 472                 // LordHavoc: changed from %5.1f to %10.4f
 473                 dpsnprintf (line, sizeof(line), "%10.4f", val->_float);
 474                 break;
 475         case ev_vector:
 476                 // LordHavoc: changed from %5.1f to %10.4f
 477                 dpsnprintf (line, sizeof(line), "'%10.4f %10.4f %10.4f'", val->vector[0], val->vector[1], val->vector[2]);
 478                 break;
 479         case ev_pointer:
 480                 dpsnprintf (line, sizeof(line), "pointer");
 481                 break;
 482         default:
 483                 dpsnprintf (line, sizeof(line), "bad type %i", (int) type);
 484                 break;
 485         }
 486
 487         return line;
 488 }
 489
 490 /*
 491 ============
 492 PRVM_UglyValueString
 493
 494 Returns a string describing *data in a type specific manner
 495 Easier to parse than PR_ValueString
 496 =============
 497 */
 498 char *PRVM_UglyValueString (etype_t type, prvm_eval_t *val)
 499 {
 500         static char line[MAX_INPUTLINE];
 501         int i;
 502         const char *s;
 503         ddef_t *def;
 504         mfunction_t *f;
 505
 506         type = (etype_t)((int)type & ~DEF_SAVEGLOBAL);
 507
 508         switch (type)
 509         {
 510         case ev_string:
 511                 // Parse the string a bit to turn special characters
 512                 // (like newline, specifically) into escape codes,
 513                 // this fixes saving games from various mods
 514                 s = PRVM_GetString (val->string);
 515                 for (i = 0;i < (int)sizeof(line) - 2 && *s;)
 516                 {
 517                         if (*s == '\n')
 518                         {
 519                                 line[i++] = '\\';
 520                                 line[i++] = 'n';
 521                         }
 522                         else if (*s == '\r')
 523                         {
 524                                 line[i++] = '\\';
 525                                 line[i++] = 'r';
 526                         }
 527                         else if (*s == '\\')
 528                         {
 529                                 line[i++] = '\\';
 530                                 line[i++] = '\\';
 531                         }
 532                         else if (*s == '"')
 533                         {
 534                                 line[i++] = '\\';
 535                                 line[i++] = '"';
 536                         }
 537                         else
 538                                 line[i++] = *s;
 539                         s++;
 540                 }
 541                 line[i] = '\0';
 542                 break;
 543         case ev_entity:
 544                 dpsnprintf (line, sizeof (line), "%i", PRVM_NUM_FOR_EDICT(PRVM_PROG_TO_EDICT(val->edict)));
 545                 break;
 546         case ev_function:
 547                 f = prog->functions + val->function;
 548                 strlcpy (line, PRVM_GetString (f->s_name), sizeof (line));
 549                 break;
 550         case ev_field:
 551                 def = PRVM_ED_FieldAtOfs ( val->_int );
 552                 dpsnprintf (line, sizeof (line), ".%s", PRVM_GetString(def->s_name));
 553                 break;
 554         case ev_void:
 555                 dpsnprintf (line, sizeof (line), "void");
 556                 break;
 557         case ev_float:
 558                 dpsnprintf (line, sizeof (line), "%f", val->_float);
 559                 break;
 560         case ev_vector:
 561                 dpsnprintf (line, sizeof (line), "%f %f %f", val->vector[0], val->vector[1], val->vector[2]);
 562                 break;
 563         default:
 564                 dpsnprintf (line, sizeof (line), "bad type %i", type);
 565                 break;
 566         }
 567
 568         return line;
 569 }
 570
 571 /*
 572 ============
 573 PRVM_GlobalString
 574
 575 Returns a string with a description and the contents of a global,
 576 padded to 20 field width
 577 ============
 578 */
 579 char *PRVM_GlobalString (int ofs)
 580 {
 581         char    *s;
 582         //size_t        i;
 583         ddef_t  *def;
 584         void    *val;
 585         static char     line[128];
 586
 587         val = (void *)&prog->globals.generic[ofs];
 588         def = PRVM_ED_GlobalAtOfs(ofs);
 589         if (!def)
 590                 dpsnprintf (line, sizeof(line), "GLOBAL%i", ofs);
 591         else
 592         {
 593                 s = PRVM_ValueString ((etype_t)def->type, (prvm_eval_t *)val);
 594                 dpsnprintf (line, sizeof(line), "%s (=%s)", PRVM_GetString(def->s_name), s);
 595         }
 596
 597         //i = strlen(line);
 598         //for ( ; i<20 ; i++)
 599         //      strcat (line," ");
 600         //strcat (line," ");
 601
 602         return line;
 603 }
 604
 605 char *PRVM_GlobalStringNoContents (int ofs)
 606 {
 607         //size_t        i;
 608         ddef_t  *def;
 609         static char     line[128];
 610
 611         def = PRVM_ED_GlobalAtOfs(ofs);
 612         if (!def)
 613                 dpsnprintf (line, sizeof(line), "GLOBAL%i", ofs);
 614         else
 615                 dpsnprintf (line, sizeof(line), "%s", PRVM_GetString(def->s_name));
 616
 617         //i = strlen(line);
 618         //for ( ; i<20 ; i++)
 619         //      strcat (line," ");
 620         //strcat (line," ");
 621
 622         return line;
 623 }
 624
 625
 626 /*
 627 =============
 628 PRVM_ED_Print
 629
 630 For debugging
 631 =============
 632 */
 633 // LordHavoc: optimized this to print out much more quickly (tempstring)
 634 // LordHavoc: changed to print out every 4096 characters (incase there are a lot of fields to print)
 635 void PRVM_ED_Print(prvm_edict_t *ed, const char *wildcard_fieldname)
 636 {
 637         size_t  l;
 638         ddef_t  *d;
 639         int             *v;
 640         int             i, j;
 641         const char      *name;
 642         int             type;
 643         char    tempstring[MAX_INPUTLINE], tempstring2[260]; // temporary string buffers
 644
 645         if (ed->priv.required->free)
 646         {
 647                 Con_Printf("%s: FREE\n",PRVM_NAME);
 648                 return;
 649         }
 650
 651         tempstring[0] = 0;
 652         dpsnprintf(tempstring, sizeof(tempstring), "\n%s EDICT %i:\n", PRVM_NAME, PRVM_NUM_FOR_EDICT(ed));
 653         for (i=1 ; i<prog->progs->numfielddefs ; i++)
 654         {
 655                 d = &prog->fielddefs[i];
 656                 name = PRVM_GetString(d->s_name);
 657                 if (name[strlen(name)-2] == '_')
 658                         continue;       // skip _x, _y, _z vars
 659
 660                 // Check Field Name Wildcard
 661                 if(wildcard_fieldname)
 662                         if( !matchpattern(name, wildcard_fieldname, 1) )
 663                                 // Didn't match; skip
 664                                 continue;
 665
 666                 v = (int *)((char *)ed->fields.vp + d->ofs*4);
 667
 668         // if the value is still all 0, skip the field
 669                 type = d->type & ~DEF_SAVEGLOBAL;
 670
 671                 for (j=0 ; j<prvm_type_size[type] ; j++)
 672                         if (v[j])
 673                                 break;
 674                 if (j == prvm_type_size[type])
 675                         continue;
 676
 677                 if (strlen(name) > sizeof(tempstring2)-4)
 678                 {
 679                         memcpy (tempstring2, name, sizeof(tempstring2)-4);
 680                         tempstring2[sizeof(tempstring2)-4] = tempstring2[sizeof(tempstring2)-3] = tempstring2[sizeof(tempstring2)-2] = '.';
 681                         tempstring2[sizeof(tempstring2)-1] = 0;
 682                         name = tempstring2;
 683                 }
 684                 strlcat(tempstring, name, sizeof(tempstring));
 685                 for (l = strlen(name);l < 14;l++)
 686                         strlcat(tempstring, " ", sizeof(tempstring));
 687                 strlcat(tempstring, " ", sizeof(tempstring));
 688
 689                 name = PRVM_ValueString((etype_t)d->type, (prvm_eval_t *)v);
 690                 if (strlen(name) > sizeof(tempstring2)-4)
 691                 {
 692                         memcpy (tempstring2, name, sizeof(tempstring2)-4);
 693                         tempstring2[sizeof(tempstring2)-4] = tempstring2[sizeof(tempstring2)-3] = tempstring2[sizeof(tempstring2)-2] = '.';
 694                         tempstring2[sizeof(tempstring2)-1] = 0;
 695                         name = tempstring2;
 696                 }
 697                 strlcat(tempstring, name, sizeof(tempstring));
 698                 strlcat(tempstring, "\n", sizeof(tempstring));
 699                 if (strlen(tempstring) >= sizeof(tempstring)/2)
 700                 {
 701                         Con_Print(tempstring);
 702                         tempstring[0] = 0;
 703                 }
 704         }
 705         if (tempstring[0])
 706                 Con_Print(tempstring);
 707 }
 708
 709 /*
 710 =============
 711 PRVM_ED_Write
 712
 713 For savegames
 714 =============
 715 */
 716 extern cvar_t developer_entityparsing;
 717 void PRVM_ED_Write (qfile_t *f, prvm_edict_t *ed)
 718 {
 719         ddef_t  *d;
 720         int             *v;
 721         int             i, j;
 722         const char      *name;
 723         int             type;
 724
 725         FS_Print(f, "{\n");
 726
 727         if (ed->priv.required->free)
 728         {
 729                 FS_Print(f, "}\n");
 730                 return;
 731         }
 732
 733         for (i=1 ; i<prog->progs->numfielddefs ; i++)
 734         {
 735                 d = &prog->fielddefs[i];
 736                 name = PRVM_GetString(d->s_name);
 737
 738                 if(developer_entityparsing.integer)
 739                         Con_Printf("PRVM_ED_Write: at entity %d field %s\n", PRVM_NUM_FOR_EDICT(ed), name);
 740
 741                 if (name[strlen(name)-2] == '_')
 742                         continue;       // skip _x, _y, _z vars
 743
 744                 v = (int *)((char *)ed->fields.vp + d->ofs*4);
 745
 746         // if the value is still all 0, skip the field
 747                 type = d->type & ~DEF_SAVEGLOBAL;
 748                 for (j=0 ; j<prvm_type_size[type] ; j++)
 749                         if (v[j])
 750                                 break;
 751                 if (j == prvm_type_size[type])
 752                         continue;
 753
 754                 FS_Printf(f,"\"%s\" ",name);
 755                 prog->statestring = va("PRVM_ED_Write, ent=%d, name=%s", i, name);
 756                 FS_Printf(f,"\"%s\"\n", PRVM_UglyValueString((etype_t)d->type, (prvm_eval_t *)v));
 757                 prog->statestring = NULL;
 758         }
 759
 760         FS_Print(f, "}\n");
 761 }
 762
 763 void PRVM_ED_PrintNum (int ent, const char *wildcard_fieldname)
 764 {
 765         PRVM_ED_Print(PRVM_EDICT_NUM(ent), wildcard_fieldname);
 766 }
 767
 768 /*
 769 =============
 770 PRVM_ED_PrintEdicts_f
 771
 772 For debugging, prints all the entities in the current server
 773 =============
 774 */
 775 void PRVM_ED_PrintEdicts_f (void)
 776 {
 777         int             i;
 778         const char *wildcard_fieldname;
 779
 780         if(Cmd_Argc() < 2 || Cmd_Argc() > 3)
 781         {
 782                 Con_Print("prvm_edicts <program name> <optional field name wildcard>\n");
 783                 return;
 784         }
 785
 786         PRVM_Begin;
 787         if(!PRVM_SetProgFromString(Cmd_Argv(1)))
 788                 return;
 789
 790         if( Cmd_Argc() == 3)
 791                 wildcard_fieldname = Cmd_Argv(2);
 792         else
 793                 wildcard_fieldname = NULL;
 794
 795         Con_Printf("%s: %i entities\n", PRVM_NAME, prog->num_edicts);
 796         for (i=0 ; i<prog->num_edicts ; i++)
 797                 PRVM_ED_PrintNum (i, wildcard_fieldname);
 798
 799         PRVM_End;
 800 }
 801
 802 /*
 803 =============
 804 PRVM_ED_PrintEdict_f
 805
 806 For debugging, prints a single edict
 807 =============
 808 */
 809 void PRVM_ED_PrintEdict_f (void)
 810 {
 811         int             i;
 812         const char      *wildcard_fieldname;
 813
 814         if(Cmd_Argc() < 3 || Cmd_Argc() > 4)
 815         {
 816                 Con_Print("prvm_edict <program name> <edict number> <optional field name wildcard>\n");
 817                 return;
 818         }
 819
 820         PRVM_Begin;
 821         if(!PRVM_SetProgFromString(Cmd_Argv(1)))
 822                 return;
 823
 824         i = atoi (Cmd_Argv(2));
 825         if (i >= prog->num_edicts)
 826         {
 827                 Con_Print("Bad edict number\n");
 828                 PRVM_End;
 829                 return;
 830         }
 831         if( Cmd_Argc() == 4)
 832                 // Optional Wildcard Provided
 833                 wildcard_fieldname = Cmd_Argv(3);
 834         else
 835                 // Use All
 836                 wildcard_fieldname = NULL;
 837         PRVM_ED_PrintNum (i, wildcard_fieldname);
 838
 839         PRVM_End;
 840 }
 841
 842 /*
 843 =============
 844 PRVM_ED_Count
 845
 846 For debugging
 847 =============
 848 */
 849 // 2 possibilities : 1. just displaying the active edict count
 850 //                                       2. making a function pointer [x]
 851 void PRVM_ED_Count_f (void)
 852 {
 853         int             i;
 854         prvm_edict_t    *ent;
 855         int             active;
 856
 857         if(Cmd_Argc() != 2)
 858         {
 859                 Con_Print("prvm_count <program name>\n");
 860                 return;
 861         }
 862
 863         PRVM_Begin;
 864         if(!PRVM_SetProgFromString(Cmd_Argv(1)))
 865                 return;
 866
 867         if(prog->count_edicts)
 868                 prog->count_edicts();
 869         else
 870         {
 871                 active = 0;
 872                 for (i=0 ; i<prog->num_edicts ; i++)
 873                 {
 874                         ent = PRVM_EDICT_NUM(i);
 875                         if (ent->priv.required->free)
 876                                 continue;
 877                         active++;
 878                 }
 879
 880                 Con_Printf("num_edicts:%3i\n", prog->num_edicts);
 881                 Con_Printf("active    :%3i\n", active);
 882         }
 883
 884         PRVM_End;
 885 }
 886
 887 /*
 888 ==============================================================================
 889
 890                                         ARCHIVING GLOBALS
 891
 892 FIXME: need to tag constants, doesn't really work
 893 ==============================================================================
 894 */
 895
 896 /*
 897 =============
 898 PRVM_ED_WriteGlobals
 899 =============
 900 */
 901 void PRVM_ED_WriteGlobals (qfile_t *f)
 902 {
 903         ddef_t          *def;
 904         int                     i;
 905         const char              *name;
 906         int                     type;
 907
 908         FS_Print(f,"{\n");
 909         for (i=0 ; i<prog->progs->numglobaldefs ; i++)
 910         {
 911                 def = &prog->globaldefs[i];
 912                 type = def->type;
 913                 if ( !(def->type & DEF_SAVEGLOBAL) )
 914                         continue;
 915                 type &= ~DEF_SAVEGLOBAL;
 916
 917                 if (type != ev_string && type != ev_float && type != ev_entity)
 918                         continue;
 919
 920                 name = PRVM_GetString(def->s_name);
 921
 922                 if(developer_entityparsing.integer)
 923                         Con_Printf("PRVM_ED_WriteGlobals: at global %s\n", name);
 924
 925                 prog->statestring = va("PRVM_ED_WriteGlobals, name=%s", name);
 926                 FS_Printf(f,"\"%s\" ", name);
 927                 FS_Printf(f,"\"%s\"\n", PRVM_UglyValueString((etype_t)type, (prvm_eval_t *)&prog->globals.generic[def->ofs]));
 928                 prog->statestring = NULL;
 929         }
 930         FS_Print(f,"}\n");
 931 }
 932
 933 /*
 934 =============
 935 PRVM_ED_ParseGlobals
 936 =============
 937 */
 938 void PRVM_ED_ParseGlobals (const char *data)
 939 {
 940         char keyname[MAX_INPUTLINE];
 941         ddef_t *key;
 942
 943         while (1)
 944         {
 945                 // parse key
 946                 if (!COM_ParseToken_Simple(&data, false, false))
 947                         PRVM_ERROR ("PRVM_ED_ParseGlobals: EOF without closing brace");
 948                 if (com_token[0] == '}')
 949                         break;
 950
 951                 if (developer_entityparsing.integer)
 952                         Con_Printf("Key: \"%s\"", com_token);
 953
 954                 strlcpy (keyname, com_token, sizeof(keyname));
 955
 956                 // parse value
 957                 if (!COM_ParseToken_Simple(&data, false, true))
 958                         PRVM_ERROR ("PRVM_ED_ParseGlobals: EOF without closing brace");
 959
 960                 if (developer_entityparsing.integer)
 961                         Con_Printf(" \"%s\"\n", com_token);
 962
 963                 if (com_token[0] == '}')
 964                         PRVM_ERROR ("PRVM_ED_ParseGlobals: closing brace without data");
 965
 966                 key = PRVM_ED_FindGlobal (keyname);
 967                 if (!key)
 968                 {
 969                         Con_DPrintf("'%s' is not a global on %s\n", keyname, PRVM_NAME);
 970                         continue;
 971                 }
 972
 973                 if (!PRVM_ED_ParseEpair(NULL, key, com_token, true))
 974                         PRVM_ERROR ("PRVM_ED_ParseGlobals: parse error");
 975         }
 976 }
 977
 978 //============================================================================
 979
 980
 981 /*
 982 =============
 983 PRVM_ED_ParseEval
 984
 985 Can parse either fields or globals
 986 returns false if error
 987 =============
 988 */
 989 qboolean PRVM_ED_ParseEpair(prvm_edict_t *ent, ddef_t *key, const char *s, qboolean parsebackslash)
 990 {
 991         int i, l;
 992         char *new_p;
 993         ddef_t *def;
 994         prvm_eval_t *val;
 995         mfunction_t *func;
 996
 997         if (ent)
 998                 val = (prvm_eval_t *)((int *)ent->fields.vp + key->ofs);
 999         else
1000                 val = (prvm_eval_t *)((int *)prog->globals.generic + key->ofs);
1001         switch (key->type & ~DEF_SAVEGLOBAL)
1002         {
1003         case ev_string:
1004                 l = (int)strlen(s) + 1;
1005                 val->string = PRVM_AllocString(l, &new_p);
1006                 for (i = 0;i < l;i++)
1007                 {
1008                         if (s[i] == '\\' && s[i+1] && parsebackslash)
1009                         {
1010                                 i++;
1011                                 if (s[i] == 'n')
1012                                         *new_p++ = '\n';
1013                                 else if (s[i] == 'r')
1014                                         *new_p++ = '\r';
1015                                 else
1016                                         *new_p++ = s[i];
1017                         }
1018                         else
1019                                 *new_p++ = s[i];
1020                 }
1021                 break;
1022
1023         case ev_float:
1024                 while (*s && ISWHITESPACE(*s))
1025                         s++;
1026                 val->_float = atof(s);
1027                 break;
1028
1029         case ev_vector:
1030                 for (i = 0;i < 3;i++)
1031                 {
1032                         while (*s && ISWHITESPACE(*s))
1033                                 s++;
1034                         if (!*s)
1035                                 break;
1036                         val->vector[i] = atof(s);
1037                         while (!ISWHITESPACE(*s))
1038                                 s++;
1039                         if (!*s)
1040                                 break;
1041                 }
1042                 break;
1043
1044         case ev_entity:
1045                 while (*s && ISWHITESPACE(*s))
1046                         s++;
1047                 i = atoi(s);
1048                 if (i >= prog->limit_edicts)
1049                         Con_Printf("PRVM_ED_ParseEpair: ev_entity reference too large (edict %u >= MAX_EDICTS %u) on %s\n", (unsigned int)i, (unsigned int)MAX_EDICTS, PRVM_NAME);
1050                 while (i >= prog->max_edicts)
1051                         PRVM_MEM_IncreaseEdicts();
1052                 // if IncreaseEdicts was called the base pointer needs to be updated
1053                 if (ent)
1054                         val = (prvm_eval_t *)((int *)ent->fields.vp + key->ofs);
1055                 val->edict = PRVM_EDICT_TO_PROG(PRVM_EDICT_NUM((int)i));
1056                 break;
1057
1058         case ev_field:
1059                 if (*s != '.')
1060                 {
1061                         Con_DPrintf("PRVM_ED_ParseEpair: Bogus field name %s in %s\n", s, PRVM_NAME);
1062                         return false;
1063                 }
1064                 def = PRVM_ED_FindField(s + 1);
1065                 if (!def)
1066                 {
1067                         Con_DPrintf("PRVM_ED_ParseEpair: Can't find field %s in %s\n", s, PRVM_NAME);
1068                         return false;
1069                 }
1070                 val->_int = def->ofs;
1071                 break;
1072
1073         case ev_function:
1074                 func = PRVM_ED_FindFunction(s);
1075                 if (!func)
1076                 {
1077                         Con_Printf("PRVM_ED_ParseEpair: Can't find function %s in %s\n", s, PRVM_NAME);
1078                         return false;
1079                 }
1080                 val->function = func - prog->functions;
1081                 break;
1082
1083         default:
1084                 Con_Printf("PRVM_ED_ParseEpair: Unknown key->type %i for key \"%s\" on %s\n", key->type, PRVM_GetString(key->s_name), PRVM_NAME);
1085                 return false;
1086         }
1087         return true;
1088 }
1089
1090 /*
1091 =============
1092 PRVM_GameCommand_f
1093
1094 Console command to send a string to QC function GameCommand of the
1095 indicated progs
1096
1097 Usage:
1098   sv_cmd adminmsg 3 "do not teamkill"
1099   cl_cmd someclientcommand
1100   menu_cmd somemenucommand
1101
1102 All progs can support this extension; sg calls it in server QC, cg in client
1103 QC, mg in menu QC.
1104 =============
1105 */
1106 void PRVM_GameCommand(const char *whichprogs, const char *whichcmd)
1107 {
1108         if(Cmd_Argc() < 1)
1109         {
1110                 Con_Printf("%s text...\n", whichcmd);
1111                 return;
1112         }
1113
1114         PRVM_Begin;
1115         if(!PRVM_SetProgFromString(whichprogs))
1116         // note: this is not PRVM_SetProg because that one aborts "hard" using PRVM_Error
1117         // also, it makes printing error messages easier!
1118         {
1119                 Con_Printf("%s program not loaded.\n", whichprogs);
1120                 return;
1121         }
1122
1123         if(!prog->funcoffsets.GameCommand)
1124         {
1125                 Con_Printf("%s program do not support GameCommand!\n", whichprogs);
1126         }
1127         else
1128         {
1129                 int restorevm_tempstringsbuf_cursize;
1130                 const char *s;
1131
1132                 s = Cmd_Args();
1133
1134                 restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
1135                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(s ? s : "");
1136                 PRVM_ExecuteProgram (prog->funcoffsets.GameCommand, "QC function GameCommand is missing");
1137                 vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
1138         }
1139
1140         PRVM_End;
1141 }
1142 void PRVM_GameCommand_Server_f(void)
1143 {
1144         PRVM_GameCommand("server", "sv_cmd");
1145 }
1146 void PRVM_GameCommand_Client_f(void)
1147 {
1148         PRVM_GameCommand("client", "cl_cmd");
1149 }
1150 void PRVM_GameCommand_Menu_f(void)
1151 {
1152         PRVM_GameCommand("menu", "menu_cmd");
1153 }
1154
1155 /*
1156 =============
1157 PRVM_ED_EdictGet_f
1158
1159 Console command to load a field of a specified edict
1160 =============
1161 */
1162 void PRVM_ED_EdictGet_f(void)
1163 {
1164         prvm_edict_t *ed;
1165         ddef_t *key;
1166         const char *s;
1167         prvm_eval_t *v;
1168
1169         if(Cmd_Argc() != 4 && Cmd_Argc() != 5)
1170         {
1171                 Con_Print("prvm_edictget <program name> <edict number> <field> [<cvar>]\n");
1172                 return;
1173         }
1174
1175         PRVM_Begin;
1176         if(!PRVM_SetProgFromString(Cmd_Argv(1)))
1177         {
1178                 Con_Printf("Wrong program name %s !\n", Cmd_Argv(1));
1179                 return;
1180         }
1181
1182         ed = PRVM_EDICT_NUM(atoi(Cmd_Argv(2)));
1183
1184         if((key = PRVM_ED_FindField(Cmd_Argv(3))) == 0)
1185         {
1186                 Con_Printf("Key %s not found !\n", Cmd_Argv(3));
1187                 goto fail;
1188         }
1189
1190         v = (prvm_eval_t *)((char *)ed->fields.vp + key->ofs*4);
1191         s = PRVM_UglyValueString(key->type, v);
1192         if(Cmd_Argc() == 5)
1193         {
1194                 cvar_t *cvar = Cvar_FindVar(Cmd_Argv(4));
1195                 if (cvar && cvar->flags & CVAR_READONLY)
1196                 {
1197                         Con_Printf("prvm_edictget: %s is read-only\n", cvar->name);
1198                         goto fail;
1199                 }
1200                 Cvar_Get(Cmd_Argv(4), s, 0, NULL);
1201         }
1202         else
1203                 Con_Printf("%s\n", s);
1204
1205 fail:
1206         PRVM_End;
1207 }
1208
1209 void PRVM_ED_GlobalGet_f(void)
1210 {
1211         ddef_t *key;
1212         const char *s;
1213         prvm_eval_t *v;
1214
1215         if(Cmd_Argc() != 3 && Cmd_Argc() != 4)
1216         {
1217                 Con_Print("prvm_globalget <program name> <global> [<cvar>]\n");
1218                 return;
1219         }
1220
1221         PRVM_Begin;
1222         if(!PRVM_SetProgFromString(Cmd_Argv(1)))
1223         {
1224                 Con_Printf("Wrong program name %s !\n", Cmd_Argv(1));
1225                 return;
1226         }
1227
1228         key = PRVM_ED_FindGlobal(Cmd_Argv(2));
1229         if(!key)
1230         {
1231                 Con_Printf( "No global '%s' in %s!\n", Cmd_Argv(2), Cmd_Argv(1) );
1232                 goto fail;
1233         }
1234
1235         v = (prvm_eval_t *) &prog->globals.generic[key->ofs];
1236         s = PRVM_UglyValueString(key->type, v);
1237         if(Cmd_Argc() == 4)
1238         {
1239                 cvar_t *cvar = Cvar_FindVar(Cmd_Argv(3));
1240                 if (cvar && cvar->flags & CVAR_READONLY)
1241                 {
1242                         Con_Printf("prvm_globalget: %s is read-only\n", cvar->name);
1243                         goto fail;
1244                 }
1245                 Cvar_Get(Cmd_Argv(3), s, 0, NULL);
1246         }
1247         else
1248                 Con_Printf("%s\n", s);
1249
1250 fail:
1251         PRVM_End;
1252 }
1253
1254 /*
1255 =============
1256 PRVM_ED_EdictSet_f
1257
1258 Console command to set a field of a specified edict
1259 =============
1260 */
1261 void PRVM_ED_EdictSet_f(void)
1262 {
1263         prvm_edict_t *ed;
1264         ddef_t *key;
1265
1266         if(Cmd_Argc() != 5)
1267         {
1268                 Con_Print("prvm_edictset <program name> <edict number> <field> <value>\n");
1269                 return;
1270         }
1271
1272         PRVM_Begin;
1273         if(!PRVM_SetProgFromString(Cmd_Argv(1)))
1274         {
1275                 Con_Printf("Wrong program name %s !\n", Cmd_Argv(1));
1276                 return;
1277         }
1278
1279         ed = PRVM_EDICT_NUM(atoi(Cmd_Argv(2)));
1280
1281         if((key = PRVM_ED_FindField(Cmd_Argv(3))) == 0)
1282                 Con_Printf("Key %s not found !\n", Cmd_Argv(3));
1283         else
1284                 PRVM_ED_ParseEpair(ed, key, Cmd_Argv(4), true);
1285
1286         PRVM_End;
1287 }
1288
1289 /*
1290 ====================
1291 PRVM_ED_ParseEdict
1292
1293 Parses an edict out of the given string, returning the new position
1294 ed should be a properly initialized empty edict.
1295 Used for initial level load and for savegames.
1296 ====================
1297 */
1298 const char *PRVM_ED_ParseEdict (const char *data, prvm_edict_t *ent)
1299 {
1300         ddef_t *key;
1301         qboolean anglehack;
1302         qboolean init;
1303         char keyname[256];
1304         size_t n;
1305
1306         init = false;
1307
1308 // go through all the dictionary pairs
1309         while (1)
1310         {
1311         // parse key
1312                 if (!COM_ParseToken_Simple(&data, false, false))
1313                         PRVM_ERROR ("PRVM_ED_ParseEdict: EOF without closing brace");
1314                 if (developer_entityparsing.integer)
1315                         Con_Printf("Key: \"%s\"", com_token);
1316                 if (com_token[0] == '}')
1317                         break;
1318
1319                 // anglehack is to allow QuakeEd to write single scalar angles
1320                 // and allow them to be turned into vectors. (FIXME...)
1321                 if (!strcmp(com_token, "angle"))
1322                 {
1323                         strlcpy (com_token, "angles", sizeof(com_token));
1324                         anglehack = true;
1325                 }
1326                 else
1327                         anglehack = false;
1328
1329                 // FIXME: change light to _light to get rid of this hack
1330                 if (!strcmp(com_token, "light"))
1331                         strlcpy (com_token, "light_lev", sizeof(com_token));    // hack for single light def
1332
1333                 strlcpy (keyname, com_token, sizeof(keyname));
1334
1335                 // another hack to fix keynames with trailing spaces
1336                 n = strlen(keyname);
1337                 while (n && keyname[n-1] == ' ')
1338                 {
1339                         keyname[n-1] = 0;
1340                         n--;
1341                 }
1342
1343         // parse value
1344                 if (!COM_ParseToken_Simple(&data, false, false))
1345                         PRVM_ERROR ("PRVM_ED_ParseEdict: EOF without closing brace");
1346                 if (developer_entityparsing.integer)
1347                         Con_Printf(" \"%s\"\n", com_token);
1348
1349                 if (com_token[0] == '}')
1350                         PRVM_ERROR ("PRVM_ED_ParseEdict: closing brace without data");
1351
1352                 init = true;
1353
1354                 // ignore attempts to set key "" (this problem occurs in nehahra neh1m8.bsp)
1355                 if (!keyname[0])
1356                         continue;
1357
1358 // keynames with a leading underscore are used for utility comments,
1359 // and are immediately discarded by quake
1360                 if (keyname[0] == '_')
1361                         continue;
1362
1363                 key = PRVM_ED_FindField (keyname);
1364                 if (!key)
1365                 {
1366                         Con_DPrintf("%s: '%s' is not a field\n", PRVM_NAME, keyname);
1367                         continue;
1368                 }
1369
1370                 if (anglehack)
1371                 {
1372                         char    temp[32];
1373                         strlcpy (temp, com_token, sizeof(temp));
1374                         dpsnprintf (com_token, sizeof(com_token), "0 %s 0", temp);
1375                 }
1376
1377                 if (!PRVM_ED_ParseEpair(ent, key, com_token, strcmp(keyname, "wad") != 0))
1378                         PRVM_ERROR ("PRVM_ED_ParseEdict: parse error");
1379         }
1380
1381         if (!init)
1382                 ent->priv.required->free = true;
1383
1384         return data;
1385 }
1386
1387
1388 /*
1389 ================
1390 PRVM_ED_LoadFromFile
1391
1392 The entities are directly placed in the array, rather than allocated with
1393 PRVM_ED_Alloc, because otherwise an error loading the map would have entity
1394 number references out of order.
1395
1396 Creates a server's entity / program execution context by
1397 parsing textual entity definitions out of an ent file.
1398
1399 Used for both fresh maps and savegame loads.  A fresh map would also need
1400 to call PRVM_ED_CallSpawnFunctions () to let the objects initialize themselves.
1401 ================
1402 */
1403 void PRVM_ED_LoadFromFile (const char *data)
1404 {
1405         prvm_edict_t *ent;
1406         int parsed, inhibited, spawned, died;
1407         const char *funcname;
1408         mfunction_t *func;
1409
1410         parsed = 0;
1411         inhibited = 0;
1412         spawned = 0;
1413         died = 0;
1414
1415
1416 // parse ents
1417         while (1)
1418         {
1419 // parse the opening brace
1420                 if (!COM_ParseToken_Simple(&data, false, false))
1421                         break;
1422                 if (com_token[0] != '{')
1423                         PRVM_ERROR ("PRVM_ED_LoadFromFile: %s: found %s when expecting {", PRVM_NAME, com_token);
1424
1425                 // CHANGED: this is not conform to PR_LoadFromFile
1426                 if(prog->loadintoworld)
1427                 {
1428                         prog->loadintoworld = false;
1429                         ent = PRVM_EDICT_NUM(0);
1430                 }
1431                 else
1432                         ent = PRVM_ED_Alloc();
1433
1434                 // clear it
1435                 if (ent != prog->edicts)        // hack
1436                         memset (ent->fields.vp, 0, prog->progs->entityfields * 4);
1437
1438                 data = PRVM_ED_ParseEdict (data, ent);
1439                 parsed++;
1440
1441                 // remove the entity ?
1442                 if(prog->load_edict && !prog->load_edict(ent))
1443                 {
1444                         PRVM_ED_Free(ent);
1445                         inhibited++;
1446                         continue;
1447                 }
1448
1449                 if (prog->funcoffsets.SV_OnEntityPreSpawnFunction)
1450                 {
1451                         // self = ent
1452                         PRVM_GLOBALFIELDVALUE(prog->globaloffsets.self)->edict = PRVM_EDICT_TO_PROG(ent);
1453                         PRVM_ExecuteProgram (prog->funcoffsets.SV_OnEntityPreSpawnFunction, "QC function SV_OnEntityPreSpawnFunction is missing");
1454                 }
1455
1456                 if(ent->priv.required->free)
1457                 {
1458                         inhibited++;
1459                         continue;
1460                 }
1461
1462 //
1463 // immediately call spawn function, but only if there is a self global and a classname
1464 //
1465                 if(!ent->priv.required->free)
1466                 if(prog->globaloffsets.self >= 0 && prog->fieldoffsets.classname >= 0)
1467                 {
1468                         string_t handle =  PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.classname)->string;
1469                         if (!handle)
1470                         {
1471                                 Con_Print("No classname for:\n");
1472                                 PRVM_ED_Print(ent, NULL);
1473                                 PRVM_ED_Free (ent);
1474                                 continue;
1475                         }
1476
1477                         // look for the spawn function
1478                         funcname = PRVM_GetString(handle);
1479                         func = PRVM_ED_FindFunction (va("spawnfunc_%s", funcname));
1480                         if(!func)
1481                                 if(prog->globaloffsets.require_spawnfunc_prefix < 0)
1482                                         func = PRVM_ED_FindFunction (funcname);
1483
1484                         if (!func)
1485                         {
1486                                 // check for OnEntityNoSpawnFunction
1487                                 if (prog->funcoffsets.SV_OnEntityNoSpawnFunction)
1488                                 {
1489                                         // self = ent
1490                                         PRVM_GLOBALFIELDVALUE(prog->globaloffsets.self)->edict = PRVM_EDICT_TO_PROG(ent);
1491                                         PRVM_ExecuteProgram (prog->funcoffsets.SV_OnEntityNoSpawnFunction, "QC function SV_OnEntityNoSpawnFunction is missing");
1492                                 }
1493                                 else
1494                                 {
1495                                         if (developer.integer) // don't confuse non-developers with errors
1496                                         {
1497                                                 Con_Print("No spawn function for:\n");
1498                                                 PRVM_ED_Print(ent, NULL);
1499                                         }
1500                                         PRVM_ED_Free (ent);
1501                                         continue; // not included in "inhibited" count
1502                                 }
1503                         }
1504                         else
1505                         {
1506                                 // self = ent
1507                                 PRVM_GLOBALFIELDVALUE(prog->globaloffsets.self)->edict = PRVM_EDICT_TO_PROG(ent);
1508                                 PRVM_ExecuteProgram (func - prog->functions, "");
1509                         }
1510                 }
1511
1512                 if(!ent->priv.required->free)
1513                 if (prog->funcoffsets.SV_OnEntityPostSpawnFunction)
1514                 {
1515                         // self = ent
1516                         PRVM_GLOBALFIELDVALUE(prog->globaloffsets.self)->edict = PRVM_EDICT_TO_PROG(ent);
1517                         PRVM_ExecuteProgram (prog->funcoffsets.SV_OnEntityPostSpawnFunction, "QC function SV_OnEntityPostSpawnFunction is missing");
1518                 }
1519
1520                 spawned++;
1521                 if (ent->priv.required->free)
1522                         died++;
1523         }
1524
1525         Con_DPrintf("%s: %i new entities parsed, %i new inhibited, %i (%i new) spawned (whereas %i removed self, %i stayed)\n", PRVM_NAME, parsed, inhibited, prog->num_edicts, spawned, died, spawned - died);
1526 }
1527
1528 void PRVM_FindOffsets(void)
1529 {
1530         // field and global searches use -1 for NULL
1531         memset(&prog->fieldoffsets, -1, sizeof(prog->fieldoffsets));
1532         memset(&prog->globaloffsets, -1, sizeof(prog->globaloffsets));
1533         // functions use 0 for NULL
1534         memset(&prog->funcoffsets, 0, sizeof(prog->funcoffsets));
1535
1536         // server and client qc use a lot of similar fields, so this is combined
1537         prog->fieldoffsets.SendEntity                     = PRVM_ED_FindFieldOffset("SendEntity");
1538         prog->fieldoffsets.SendFlags                      = PRVM_ED_FindFieldOffset("SendFlags");
1539         prog->fieldoffsets.Version                        = PRVM_ED_FindFieldOffset("Version");
1540         prog->fieldoffsets.alpha                          = PRVM_ED_FindFieldOffset("alpha");
1541         prog->fieldoffsets.ammo_cells1                    = PRVM_ED_FindFieldOffset("ammo_cells1");
1542         prog->fieldoffsets.ammo_lava_nails                = PRVM_ED_FindFieldOffset("ammo_lava_nails");
1543         prog->fieldoffsets.ammo_multi_rockets             = PRVM_ED_FindFieldOffset("ammo_multi_rockets");
1544         prog->fieldoffsets.ammo_nails1                    = PRVM_ED_FindFieldOffset("ammo_nails1");
1545         prog->fieldoffsets.ammo_plasma                    = PRVM_ED_FindFieldOffset("ammo_plasma");
1546         prog->fieldoffsets.ammo_rockets1                  = PRVM_ED_FindFieldOffset("ammo_rockets1");
1547         prog->fieldoffsets.ammo_shells1                   = PRVM_ED_FindFieldOffset("ammo_shells1");
1548         prog->fieldoffsets.angles                         = PRVM_ED_FindFieldOffset("angles");
1549         prog->fieldoffsets.button3                        = PRVM_ED_FindFieldOffset("button3");
1550         prog->fieldoffsets.button4                        = PRVM_ED_FindFieldOffset("button4");
1551         prog->fieldoffsets.button5                        = PRVM_ED_FindFieldOffset("button5");
1552         prog->fieldoffsets.button6                        = PRVM_ED_FindFieldOffset("button6");
1553         prog->fieldoffsets.button7                        = PRVM_ED_FindFieldOffset("button7");
1554         prog->fieldoffsets.button8                        = PRVM_ED_FindFieldOffset("button8");
1555         prog->fieldoffsets.button9                        = PRVM_ED_FindFieldOffset("button9");
1556         prog->fieldoffsets.button10                       = PRVM_ED_FindFieldOffset("button10");
1557         prog->fieldoffsets.button11                       = PRVM_ED_FindFieldOffset("button11");
1558         prog->fieldoffsets.button12                       = PRVM_ED_FindFieldOffset("button12");
1559         prog->fieldoffsets.button13                       = PRVM_ED_FindFieldOffset("button13");
1560         prog->fieldoffsets.button14                       = PRVM_ED_FindFieldOffset("button14");
1561         prog->fieldoffsets.button15                       = PRVM_ED_FindFieldOffset("button15");
1562         prog->fieldoffsets.button16                       = PRVM_ED_FindFieldOffset("button16");
1563         prog->fieldoffsets.buttonchat                     = PRVM_ED_FindFieldOffset("buttonchat");
1564         prog->fieldoffsets.buttonuse                      = PRVM_ED_FindFieldOffset("buttonuse");
1565         prog->fieldoffsets.chain                          = PRVM_ED_FindFieldOffset("chain");
1566         prog->fieldoffsets.classname                      = PRVM_ED_FindFieldOffset("classname");
1567         prog->fieldoffsets.clientcamera                   = PRVM_ED_FindFieldOffset("clientcamera");
1568         prog->fieldoffsets.clientcolors                   = PRVM_ED_FindFieldOffset("clientcolors");
1569         prog->fieldoffsets.clientstatus                   = PRVM_ED_FindFieldOffset("clientstatus");
1570         prog->fieldoffsets.color                          = PRVM_ED_FindFieldOffset("color");
1571         prog->fieldoffsets.colormod                       = PRVM_ED_FindFieldOffset("colormod");
1572         prog->fieldoffsets.contentstransition             = PRVM_ED_FindFieldOffset("contentstransition");
1573         prog->fieldoffsets.cursor_active                  = PRVM_ED_FindFieldOffset("cursor_active");
1574         prog->fieldoffsets.cursor_screen                  = PRVM_ED_FindFieldOffset("cursor_screen");
1575         prog->fieldoffsets.cursor_trace_endpos            = PRVM_ED_FindFieldOffset("cursor_trace_endpos");
1576         prog->fieldoffsets.cursor_trace_ent               = PRVM_ED_FindFieldOffset("cursor_trace_ent");
1577         prog->fieldoffsets.cursor_trace_start             = PRVM_ED_FindFieldOffset("cursor_trace_start");
1578         prog->fieldoffsets.customizeentityforclient       = PRVM_ED_FindFieldOffset("customizeentityforclient");
1579         prog->fieldoffsets.dimension_hit                  = PRVM_ED_FindFieldOffset("dimension_hit");
1580         prog->fieldoffsets.dimension_solid                = PRVM_ED_FindFieldOffset("dimension_solid");
1581         prog->fieldoffsets.disableclientprediction        = PRVM_ED_FindFieldOffset("disableclientprediction");
1582         prog->fieldoffsets.dphitcontentsmask              = PRVM_ED_FindFieldOffset("dphitcontentsmask");
1583         prog->fieldoffsets.drawonlytoclient               = PRVM_ED_FindFieldOffset("drawonlytoclient");
1584         prog->fieldoffsets.exteriormodeltoclient          = PRVM_ED_FindFieldOffset("exteriormodeltoclient");
1585         prog->fieldoffsets.fatness                        = PRVM_ED_FindFieldOffset("fatness");
1586         prog->fieldoffsets.forceshader                    = PRVM_ED_FindFieldOffset("forceshader");
1587         prog->fieldoffsets.frame                          = PRVM_ED_FindFieldOffset("frame");
1588         prog->fieldoffsets.frame1time                     = PRVM_ED_FindFieldOffset("frame1time");
1589         prog->fieldoffsets.frame2                         = PRVM_ED_FindFieldOffset("frame2");
1590         prog->fieldoffsets.frame2time                     = PRVM_ED_FindFieldOffset("frame2time");
1591         prog->fieldoffsets.frame3                         = PRVM_ED_FindFieldOffset("frame3");
1592         prog->fieldoffsets.frame3time                     = PRVM_ED_FindFieldOffset("frame3time");
1593         prog->fieldoffsets.frame4                         = PRVM_ED_FindFieldOffset("frame4");
1594         prog->fieldoffsets.frame4time                     = PRVM_ED_FindFieldOffset("frame4time");
1595         prog->fieldoffsets.fullbright                     = PRVM_ED_FindFieldOffset("fullbright");
1596         prog->fieldoffsets.glow_color                     = PRVM_ED_FindFieldOffset("glow_color");
1597         prog->fieldoffsets.glow_size                      = PRVM_ED_FindFieldOffset("glow_size");
1598         prog->fieldoffsets.glow_trail                     = PRVM_ED_FindFieldOffset("glow_trail");
1599         prog->fieldoffsets.glowmod                        = PRVM_ED_FindFieldOffset("glowmod");
1600         prog->fieldoffsets.gravity                        = PRVM_ED_FindFieldOffset("gravity");
1601         prog->fieldoffsets.groundentity                   = PRVM_ED_FindFieldOffset("groundentity");
1602         prog->fieldoffsets.hull                           = PRVM_ED_FindFieldOffset("hull");
1603         prog->fieldoffsets.ideal_yaw                      = PRVM_ED_FindFieldOffset("ideal_yaw");
1604         prog->fieldoffsets.idealpitch                     = PRVM_ED_FindFieldOffset("idealpitch");
1605         prog->fieldoffsets.items2                         = PRVM_ED_FindFieldOffset("items2");
1606         prog->fieldoffsets.lerpfrac                       = PRVM_ED_FindFieldOffset("lerpfrac");
1607         prog->fieldoffsets.lerpfrac3                      = PRVM_ED_FindFieldOffset("lerpfrac3");
1608         prog->fieldoffsets.lerpfrac4                      = PRVM_ED_FindFieldOffset("lerpfrac4");
1609         prog->fieldoffsets.light_lev                      = PRVM_ED_FindFieldOffset("light_lev");
1610         prog->fieldoffsets.message                        = PRVM_ED_FindFieldOffset("message");
1611         prog->fieldoffsets.modelflags                     = PRVM_ED_FindFieldOffset("modelflags");
1612         prog->fieldoffsets.movement                       = PRVM_ED_FindFieldOffset("movement");
1613         prog->fieldoffsets.movetypesteplandevent          = PRVM_ED_FindFieldOffset("movetypesteplandevent");
1614         prog->fieldoffsets.netaddress                     = PRVM_ED_FindFieldOffset("netaddress");
1615         prog->fieldoffsets.nextthink                      = PRVM_ED_FindFieldOffset("nextthink");
1616         prog->fieldoffsets.nodrawtoclient                 = PRVM_ED_FindFieldOffset("nodrawtoclient");
1617         prog->fieldoffsets.pflags                         = PRVM_ED_FindFieldOffset("pflags");
1618         prog->fieldoffsets.ping                           = PRVM_ED_FindFieldOffset("ping");
1619         prog->fieldoffsets.pitch_speed                    = PRVM_ED_FindFieldOffset("pitch_speed");
1620         prog->fieldoffsets.playermodel                    = PRVM_ED_FindFieldOffset("playermodel");
1621         prog->fieldoffsets.playerskin                     = PRVM_ED_FindFieldOffset("playerskin");
1622         prog->fieldoffsets.pmodel                         = PRVM_ED_FindFieldOffset("pmodel");
1623         prog->fieldoffsets.punchvector                    = PRVM_ED_FindFieldOffset("punchvector");
1624         prog->fieldoffsets.renderamt                      = PRVM_ED_FindFieldOffset("renderamt"); // HalfLife support
1625         prog->fieldoffsets.renderflags                    = PRVM_ED_FindFieldOffset("renderflags");
1626         prog->fieldoffsets.rendermode                     = PRVM_ED_FindFieldOffset("rendermode"); // HalfLife support
1627         prog->fieldoffsets.scale                          = PRVM_ED_FindFieldOffset("scale");
1628         prog->fieldoffsets.shadertime                     = PRVM_ED_FindFieldOffset("shadertime");
1629         prog->fieldoffsets.style                          = PRVM_ED_FindFieldOffset("style");
1630         prog->fieldoffsets.tag_entity                     = PRVM_ED_FindFieldOffset("tag_entity");
1631         prog->fieldoffsets.tag_index                      = PRVM_ED_FindFieldOffset("tag_index");
1632         prog->fieldoffsets.think                          = PRVM_ED_FindFieldOffset("think");
1633         prog->fieldoffsets.viewmodelforclient             = PRVM_ED_FindFieldOffset("viewmodelforclient");
1634         prog->fieldoffsets.viewzoom                       = PRVM_ED_FindFieldOffset("viewzoom");
1635         prog->fieldoffsets.yaw_speed                      = PRVM_ED_FindFieldOffset("yaw_speed");
1636         prog->fieldoffsets.bouncefactor                   = PRVM_ED_FindFieldOffset("bouncefactor");
1637         prog->fieldoffsets.bouncestop                     = PRVM_ED_FindFieldOffset("bouncestop");
1638         prog->funcoffsets.CSQC_ConsoleCommand             = PRVM_ED_FindFunctionOffset("CSQC_ConsoleCommand");
1639         prog->funcoffsets.CSQC_Ent_Remove                 = PRVM_ED_FindFunctionOffset("CSQC_Ent_Remove");
1640         prog->funcoffsets.CSQC_Ent_Spawn                  = PRVM_ED_FindFunctionOffset("CSQC_Ent_Spawn");
1641         prog->funcoffsets.CSQC_Ent_Update                 = PRVM_ED_FindFunctionOffset("CSQC_Ent_Update");
1642         prog->funcoffsets.CSQC_Event                      = PRVM_ED_FindFunctionOffset("CSQC_Event");
1643         prog->funcoffsets.CSQC_Event_Sound                = PRVM_ED_FindFunctionOffset("CSQC_Event_Sound");
1644         prog->funcoffsets.CSQC_Init                       = PRVM_ED_FindFunctionOffset("CSQC_Init");
1645         prog->funcoffsets.CSQC_InputEvent                 = PRVM_ED_FindFunctionOffset("CSQC_InputEvent");
1646         prog->funcoffsets.CSQC_Parse_CenterPrint          = PRVM_ED_FindFunctionOffset("CSQC_Parse_CenterPrint");
1647         prog->funcoffsets.CSQC_Parse_Print                = PRVM_ED_FindFunctionOffset("CSQC_Parse_Print");
1648         prog->funcoffsets.CSQC_Parse_StuffCmd             = PRVM_ED_FindFunctionOffset("CSQC_Parse_StuffCmd");
1649         prog->funcoffsets.CSQC_Parse_TempEntity           = PRVM_ED_FindFunctionOffset("CSQC_Parse_TempEntity");
1650         prog->funcoffsets.CSQC_Shutdown                   = PRVM_ED_FindFunctionOffset("CSQC_Shutdown");
1651         prog->funcoffsets.CSQC_UpdateView                 = PRVM_ED_FindFunctionOffset("CSQC_UpdateView");
1652         prog->funcoffsets.EndFrame                        = PRVM_ED_FindFunctionOffset("EndFrame");
1653         prog->funcoffsets.GameCommand                     = PRVM_ED_FindFunctionOffset("GameCommand");
1654         prog->funcoffsets.Gecko_Query                     = PRVM_ED_FindFunctionOffset("Gecko_Query");
1655         prog->funcoffsets.RestoreGame                     = PRVM_ED_FindFunctionOffset("RestoreGame");
1656         prog->funcoffsets.SV_ChangeTeam                   = PRVM_ED_FindFunctionOffset("SV_ChangeTeam");
1657         prog->funcoffsets.SV_OnEntityNoSpawnFunction      = PRVM_ED_FindFunctionOffset("SV_OnEntityNoSpawnFunction");
1658         prog->funcoffsets.SV_OnEntityPostSpawnFunction    = PRVM_ED_FindFunctionOffset("SV_OnEntityPostSpawnFunction");
1659         prog->funcoffsets.SV_OnEntityPreSpawnFunction     = PRVM_ED_FindFunctionOffset("SV_OnEntityPreSpawnFunction");
1660         prog->funcoffsets.SV_ParseClientCommand           = PRVM_ED_FindFunctionOffset("SV_ParseClientCommand");
1661         prog->funcoffsets.SV_PausedTic                    = PRVM_ED_FindFunctionOffset("SV_PausedTic");
1662         prog->funcoffsets.SV_PlayerPhysics                = PRVM_ED_FindFunctionOffset("SV_PlayerPhysics");
1663         prog->funcoffsets.SV_Shutdown                     = PRVM_ED_FindFunctionOffset("SV_Shutdown");
1664         prog->funcoffsets.URI_Get_Callback                = PRVM_ED_FindFunctionOffset("URI_Get_Callback");
1665         prog->globaloffsets.SV_InitCmd                    = PRVM_ED_FindGlobalOffset("SV_InitCmd");
1666         prog->globaloffsets.coop                          = PRVM_ED_FindGlobalOffset("coop");
1667         prog->globaloffsets.deathmatch                    = PRVM_ED_FindGlobalOffset("deathmatch");
1668         prog->globaloffsets.dmg_origin                    = PRVM_ED_FindGlobalOffset("dmg_origin");
1669         prog->globaloffsets.dmg_save                      = PRVM_ED_FindGlobalOffset("dmg_save");
1670         prog->globaloffsets.dmg_take                      = PRVM_ED_FindGlobalOffset("dmg_take");
1671         prog->globaloffsets.drawfont                      = PRVM_ED_FindGlobalOffset("drawfont");
1672         prog->globaloffsets.gettaginfo_forward            = PRVM_ED_FindGlobalOffset("gettaginfo_forward");
1673         prog->globaloffsets.gettaginfo_name               = PRVM_ED_FindGlobalOffset("gettaginfo_name");
1674         prog->globaloffsets.gettaginfo_offset             = PRVM_ED_FindGlobalOffset("gettaginfo_offset");
1675         prog->globaloffsets.gettaginfo_parent             = PRVM_ED_FindGlobalOffset("gettaginfo_parent");
1676         prog->globaloffsets.gettaginfo_right              = PRVM_ED_FindGlobalOffset("gettaginfo_right");
1677         prog->globaloffsets.gettaginfo_up                 = PRVM_ED_FindGlobalOffset("gettaginfo_up");
1678         prog->globaloffsets.intermission                  = PRVM_ED_FindGlobalOffset("intermission");
1679         prog->globaloffsets.require_spawnfunc_prefix      = PRVM_ED_FindGlobalOffset("require_spawnfunc_prefix");
1680         prog->globaloffsets.sb_showscores                 = PRVM_ED_FindGlobalOffset("sb_showscores");
1681         prog->globaloffsets.self                          = PRVM_ED_FindGlobalOffset("self");
1682         prog->globaloffsets.serverdeltatime               = PRVM_ED_FindGlobalOffset("serverdeltatime");
1683         prog->globaloffsets.serverprevtime                = PRVM_ED_FindGlobalOffset("serverprevtime");
1684         prog->globaloffsets.servertime                    = PRVM_ED_FindGlobalOffset("servertime");
1685         prog->globaloffsets.time                          = PRVM_ED_FindGlobalOffset("time");
1686         prog->globaloffsets.trace_allsolid                = PRVM_ED_FindGlobalOffset("trace_allsolid");
1687         prog->globaloffsets.trace_dphitcontents           = PRVM_ED_FindGlobalOffset("trace_dphitcontents");
1688         prog->globaloffsets.trace_dphitq3surfaceflags     = PRVM_ED_FindGlobalOffset("trace_dphitq3surfaceflags");
1689         prog->globaloffsets.trace_dphittexturename        = PRVM_ED_FindGlobalOffset("trace_dphittexturename");
1690         prog->globaloffsets.trace_dpstartcontents         = PRVM_ED_FindGlobalOffset("trace_dpstartcontents");
1691         prog->globaloffsets.trace_endpos                  = PRVM_ED_FindGlobalOffset("trace_endpos");
1692         prog->globaloffsets.trace_ent                     = PRVM_ED_FindGlobalOffset("trace_ent");
1693         prog->globaloffsets.trace_fraction                = PRVM_ED_FindGlobalOffset("trace_fraction");
1694         prog->globaloffsets.trace_inopen                  = PRVM_ED_FindGlobalOffset("trace_inopen");
1695         prog->globaloffsets.trace_inwater                 = PRVM_ED_FindGlobalOffset("trace_inwater");
1696         prog->globaloffsets.trace_networkentity           = PRVM_ED_FindGlobalOffset("trace_networkentity");
1697         prog->globaloffsets.trace_plane_dist              = PRVM_ED_FindGlobalOffset("trace_plane_dist");
1698         prog->globaloffsets.trace_plane_normal            = PRVM_ED_FindGlobalOffset("trace_plane_normal");
1699         prog->globaloffsets.trace_startsolid              = PRVM_ED_FindGlobalOffset("trace_startsolid");
1700         prog->globaloffsets.v_forward                     = PRVM_ED_FindGlobalOffset("v_forward");
1701         prog->globaloffsets.v_right                       = PRVM_ED_FindGlobalOffset("v_right");
1702         prog->globaloffsets.v_up                          = PRVM_ED_FindGlobalOffset("v_up");
1703         prog->globaloffsets.view_angles                   = PRVM_ED_FindGlobalOffset("view_angles");
1704         prog->globaloffsets.worldstatus                   = PRVM_ED_FindGlobalOffset("worldstatus");
1705
1706         // menu qc only uses some functions, nothing else
1707         prog->funcoffsets.m_draw                          = PRVM_ED_FindFunctionOffset("m_draw");
1708         prog->funcoffsets.m_init                          = PRVM_ED_FindFunctionOffset("m_init");
1709         prog->funcoffsets.m_keydown                       = PRVM_ED_FindFunctionOffset("m_keydown");
1710         prog->funcoffsets.m_keyup                         = PRVM_ED_FindFunctionOffset("m_keyup");
1711         prog->funcoffsets.m_shutdown                      = PRVM_ED_FindFunctionOffset("m_shutdown");
1712         prog->funcoffsets.m_toggle                        = PRVM_ED_FindFunctionOffset("m_toggle");
1713 }
1714
1715 // not used
1716 /*
1717 typedef struct dpfield_s
1718 {
1719         int type;
1720         char *string;
1721 }
1722 dpfield_t;
1723
1724 #define DPFIELDS (sizeof(dpfields) / sizeof(dpfield_t))
1725
1726 dpfield_t dpfields[] =
1727 {
1728 };
1729 */
1730
1731 /*
1732 ===============
1733 PRVM_ResetProg
1734 ===============
1735 */
1736
1737 void PRVM_LeakTest(void);
1738 void PRVM_ResetProg(void)
1739 {
1740         PRVM_LeakTest();
1741         PRVM_GCALL(reset_cmd)();
1742         Mem_FreePool(&prog->progs_mempool);
1743         memset(prog,0,sizeof(prvm_prog_t));
1744         prog->starttime = Sys_DoubleTime();
1745 }
1746
1747 /*
1748 ===============
1749 PRVM_LoadLNO
1750 ===============
1751 */
1752 void PRVM_LoadLNO( const char *progname ) {
1753         fs_offset_t filesize;
1754         unsigned char *lno;
1755         unsigned int *header;
1756         char filename[512];
1757
1758         FS_StripExtension( progname, filename, sizeof( filename ) );
1759         strlcat( filename, ".lno", sizeof( filename ) );
1760
1761         lno = FS_LoadFile( filename, tempmempool, false, &filesize );
1762         if( !lno ) {
1763                 return;
1764         }
1765
1766 /*
1767 <Spike>    SafeWrite (h, &lnotype, sizeof(int));
1768 <Spike>    SafeWrite (h, &version, sizeof(int));
1769 <Spike>    SafeWrite (h, &numglobaldefs, sizeof(int));
1770 <Spike>    SafeWrite (h, &numpr_globals, sizeof(int));
1771 <Spike>    SafeWrite (h, &numfielddefs, sizeof(int));
1772 <Spike>    SafeWrite (h, &numstatements, sizeof(int));
1773 <Spike>    SafeWrite (h, statement_linenums, numstatements*sizeof(int));
1774 */
1775         if( (unsigned) filesize < (6 + prog->progs->numstatements) * sizeof( int ) ) {
1776                 Mem_Free(lno);
1777                 return;
1778         }
1779
1780         header = (unsigned int *) lno;
1781         if( header[ 0 ] == *(unsigned int *) "LNOF" &&
1782                 LittleLong( header[ 1 ] ) == 1 &&
1783                 (unsigned int)LittleLong( header[ 2 ] ) == (unsigned int)prog->progs->numglobaldefs &&
1784                 (unsigned int)LittleLong( header[ 3 ] ) == (unsigned int)prog->progs->numglobals &&
1785                 (unsigned int)LittleLong( header[ 4 ] ) == (unsigned int)prog->progs->numfielddefs &&
1786                 (unsigned int)LittleLong( header[ 5 ] ) == (unsigned int)prog->progs->numstatements )
1787         {
1788                 prog->statement_linenums = (int *)Mem_Alloc(prog->progs_mempool, prog->progs->numstatements * sizeof( int ) );
1789                 memcpy( prog->statement_linenums, (int *) lno + 6, prog->progs->numstatements * sizeof( int ) );
1790         }
1791         Mem_Free( lno );
1792 }
1793
1794 /*
1795 ===============
1796 PRVM_LoadProgs
1797 ===============
1798 */
1799 void PRVM_LoadProgs (const char * filename, int numrequiredfunc, char **required_func, int numrequiredfields, prvm_required_field_t *required_field, int numrequiredglobals, char **required_global)
1800 {
1801         int i;
1802         dstatement_t *st;
1803         ddef_t *infielddefs;
1804         dfunction_t *dfunctions;
1805         fs_offset_t filesize;
1806
1807         if( prog->loaded ) {
1808                 PRVM_ERROR ("PRVM_LoadProgs: there is already a %s program loaded!", PRVM_NAME );
1809         }
1810
1811         prog->progs = (dprograms_t *)FS_LoadFile (filename, prog->progs_mempool, false, &filesize);
1812         if (prog->progs == NULL || filesize < (fs_offset_t)sizeof(dprograms_t))
1813                 PRVM_ERROR ("PRVM_LoadProgs: couldn't load %s for %s", filename, PRVM_NAME);
1814         // TODO bounds check header fields (e.g. numstatements), they must never go behind end of file
1815
1816         Con_DPrintf("%s programs occupy %iK.\n", PRVM_NAME, (int)(filesize/1024));
1817
1818         prog->filecrc = CRC_Block((unsigned char *)prog->progs, filesize);
1819
1820 // byte swap the header
1821         for (i = 0;i < (int) sizeof(*prog->progs) / 4;i++)
1822                 ((int *)prog->progs)[i] = LittleLong ( ((int *)prog->progs)[i] );
1823
1824         if (prog->progs->version != PROG_VERSION)
1825                 PRVM_ERROR ("%s: %s has wrong version number (%i should be %i)", PRVM_NAME, filename, prog->progs->version, PROG_VERSION);
1826         if (prog->progs->crc != prog->headercrc && prog->progs->crc != prog->headercrc2)
1827                 PRVM_ERROR ("%s: %s system vars have been modified (CRC of progs.dat systemvars %i != engine %i), progdefs.h is out of date", PRVM_NAME, filename, prog->progs->crc, prog->headercrc);
1828
1829         //prog->functions = (dfunction_t *)((unsigned char *)progs + progs->ofs_functions);
1830         dfunctions = (dfunction_t *)((unsigned char *)prog->progs + prog->progs->ofs_functions);
1831
1832         if (prog->progs->ofs_strings + prog->progs->numstrings >= (int)filesize)
1833                 PRVM_ERROR ("%s: %s strings go past end of file", PRVM_NAME, filename);
1834         prog->strings = (char *)prog->progs + prog->progs->ofs_strings;
1835         prog->stringssize = prog->progs->numstrings;
1836
1837         prog->numknownstrings = 0;
1838         prog->maxknownstrings = 0;
1839         prog->knownstrings = NULL;
1840         prog->knownstrings_freeable = NULL;
1841
1842         Mem_ExpandableArray_NewArray(&prog->stringbuffersarray, prog->progs_mempool, sizeof(prvm_stringbuffer_t), 64);
1843
1844         prog->globaldefs = (ddef_t *)((unsigned char *)prog->progs + prog->progs->ofs_globaldefs);
1845
1846         // we need to expand the fielddefs list to include all the engine fields,
1847         // so allocate a new place for it
1848         infielddefs = (ddef_t *)((unsigned char *)prog->progs + prog->progs->ofs_fielddefs);
1849         //                                                                                              ( + DPFIELDS                       )
1850         prog->fielddefs = (ddef_t *)Mem_Alloc(prog->progs_mempool, (prog->progs->numfielddefs + numrequiredfields) * sizeof(ddef_t));
1851
1852         prog->statements = (dstatement_t *)((unsigned char *)prog->progs + prog->progs->ofs_statements);
1853
1854         prog->statement_profile = (double *)Mem_Alloc(prog->progs_mempool, prog->progs->numstatements * sizeof(*prog->statement_profile));
1855
1856         // moved edict_size calculation down below field adding code
1857
1858         //pr_global_struct = (globalvars_t *)((unsigned char *)progs + progs->ofs_globals);
1859         prog->globals.generic = (float *)((unsigned char *)prog->progs + prog->progs->ofs_globals);
1860
1861 // byte swap the lumps
1862         for (i=0 ; i<prog->progs->numstatements ; i++)
1863         {
1864                 prog->statements[i].op = LittleShort(prog->statements[i].op);
1865                 prog->statements[i].a = LittleShort(prog->statements[i].a);
1866                 prog->statements[i].b = LittleShort(prog->statements[i].b);
1867                 prog->statements[i].c = LittleShort(prog->statements[i].c);
1868         }
1869
1870         prog->functions = (mfunction_t *)Mem_Alloc(prog->progs_mempool, sizeof(mfunction_t) * prog->progs->numfunctions);
1871         for (i = 0;i < prog->progs->numfunctions;i++)
1872         {
1873                 prog->functions[i].first_statement = LittleLong (dfunctions[i].first_statement);
1874                 prog->functions[i].parm_start = LittleLong (dfunctions[i].parm_start);
1875                 prog->functions[i].s_name = LittleLong (dfunctions[i].s_name);
1876                 prog->functions[i].s_file = LittleLong (dfunctions[i].s_file);
1877                 prog->functions[i].numparms = LittleLong (dfunctions[i].numparms);
1878                 prog->functions[i].locals = LittleLong (dfunctions[i].locals);
1879                 memcpy(prog->functions[i].parm_size, dfunctions[i].parm_size, sizeof(dfunctions[i].parm_size));
1880                 if(prog->functions[i].first_statement >= prog->progs->numstatements)
1881                         PRVM_ERROR("PRVM_LoadProgs: out of bounds function statement (function %d) in %s", i, PRVM_NAME);
1882                 // TODO bounds check parm_start, s_name, s_file, numparms, locals, parm_size
1883         }
1884
1885         for (i=0 ; i<prog->progs->numglobaldefs ; i++)
1886         {
1887                 prog->globaldefs[i].type = LittleShort (prog->globaldefs[i].type);
1888                 prog->globaldefs[i].ofs = LittleShort (prog->globaldefs[i].ofs);
1889                 prog->globaldefs[i].s_name = LittleLong (prog->globaldefs[i].s_name);
1890                 // TODO bounds check ofs, s_name
1891         }
1892
1893         // copy the progs fields to the new fields list
1894         for (i = 0;i < prog->progs->numfielddefs;i++)
1895         {
1896                 prog->fielddefs[i].type = LittleShort (infielddefs[i].type);
1897                 if (prog->fielddefs[i].type & DEF_SAVEGLOBAL)
1898                         PRVM_ERROR ("PRVM_LoadProgs: prog->fielddefs[i].type & DEF_SAVEGLOBAL in %s", PRVM_NAME);
1899                 prog->fielddefs[i].ofs = LittleShort (infielddefs[i].ofs);
1900                 prog->fielddefs[i].s_name = LittleLong (infielddefs[i].s_name);
1901                 // TODO bounds check ofs, s_name
1902         }
1903
1904         // append the required fields
1905         for (i = 0;i < (int) numrequiredfields;i++)
1906         {
1907                 prog->fielddefs[prog->progs->numfielddefs].type = required_field[i].type;
1908                 prog->fielddefs[prog->progs->numfielddefs].ofs = prog->progs->entityfields;
1909                 prog->fielddefs[prog->progs->numfielddefs].s_name = PRVM_SetEngineString(required_field[i].name);
1910                 // TODO bounds check ofs, s_name
1911                 if (prog->fielddefs[prog->progs->numfielddefs].type == ev_vector)
1912                         prog->progs->entityfields += 3;
1913                 else
1914                         prog->progs->entityfields++;
1915                 prog->progs->numfielddefs++;
1916         }
1917
1918         // check required functions
1919         for(i=0 ; i < numrequiredfunc ; i++)
1920                 if(PRVM_ED_FindFunction(required_func[i]) == 0)
1921                         PRVM_ERROR("%s: %s not found in %s",PRVM_NAME, required_func[i], filename);
1922
1923         // check required globals
1924         for(i=0 ; i < numrequiredglobals ; i++)
1925                 if(PRVM_ED_FindGlobal(required_global[i]) == 0)
1926                         PRVM_ERROR("%s: %s not found in %s",PRVM_NAME, required_global[i], filename);
1927
1928         for (i=0 ; i<prog->progs->numglobals ; i++)
1929                 ((int *)prog->globals.generic)[i] = LittleLong (((int *)prog->globals.generic)[i]);
1930
1931         // moved edict_size calculation down here, below field adding code
1932         // LordHavoc: this no longer includes the prvm_edict_t header
1933         prog->edict_size = prog->progs->entityfields * 4;
1934         prog->edictareasize = prog->edict_size * prog->limit_edicts;
1935
1936         // LordHavoc: bounds check anything static
1937         for (i = 0,st = prog->statements;i < prog->progs->numstatements;i++,st++)
1938         {
1939                 switch (st->op)
1940                 {
1941                 case OP_IF:
1942                 case OP_IFNOT:
1943                         if ((unsigned short) st->a >= prog->progs->numglobals || st->b + i < 0 || st->b + i >= prog->progs->numstatements)
1944                                 PRVM_ERROR("PRVM_LoadProgs: out of bounds IF/IFNOT (statement %d) in %s", i, PRVM_NAME);
1945                         break;
1946                 case OP_GOTO:
1947                         if (st->a + i < 0 || st->a + i >= prog->progs->numstatements)
1948                                 PRVM_ERROR("PRVM_LoadProgs: out of bounds GOTO (statement %d) in %s", i, PRVM_NAME);
1949                         break;
1950                 // global global global
1951                 case OP_ADD_F:
1952                 case OP_ADD_V:
1953                 case OP_SUB_F:
1954                 case OP_SUB_V:
1955                 case OP_MUL_F:
1956                 case OP_MUL_V:
1957                 case OP_MUL_FV:
1958                 case OP_MUL_VF:
1959                 case OP_DIV_F:
1960                 case OP_BITAND:
1961                 case OP_BITOR:
1962                 case OP_GE:
1963                 case OP_LE:
1964                 case OP_GT:
1965                 case OP_LT:
1966                 case OP_AND:
1967                 case OP_OR:
1968                 case OP_EQ_F:
1969                 case OP_EQ_V:
1970                 case OP_EQ_S:
1971                 case OP_EQ_E:
1972                 case OP_EQ_FNC:
1973                 case OP_NE_F:
1974                 case OP_NE_V:
1975                 case OP_NE_S:
1976                 case OP_NE_E:
1977                 case OP_NE_FNC:
1978                 case OP_ADDRESS:
1979                 case OP_LOAD_F:
1980                 case OP_LOAD_FLD:
1981                 case OP_LOAD_ENT:
1982                 case OP_LOAD_S:
1983                 case OP_LOAD_FNC:
1984                 case OP_LOAD_V:
1985                         if ((unsigned short) st->a >= prog->progs->numglobals || (unsigned short) st->b >= prog->progs->numglobals || (unsigned short) st->c >= prog->progs->numglobals)
1986                                 PRVM_ERROR("PRVM_LoadProgs: out of bounds global index (statement %d)", i);
1987                         break;
1988                 // global none global
1989                 case OP_NOT_F:
1990                 case OP_NOT_V:
1991                 case OP_NOT_S:
1992                 case OP_NOT_FNC:
1993                 case OP_NOT_ENT:
1994                         if ((unsigned short) st->a >= prog->progs->numglobals || (unsigned short) st->c >= prog->progs->numglobals)
1995                                 PRVM_ERROR("PRVM_LoadProgs: out of bounds global index (statement %d) in %s", i, PRVM_NAME);
1996                         break;
1997                 // 2 globals
1998                 case OP_STOREP_F:
1999                 case OP_STOREP_ENT:
2000                 case OP_STOREP_FLD:
2001                 case OP_STOREP_S:
2002                 case OP_STOREP_FNC:
2003                 case OP_STORE_F:
2004                 case OP_STORE_ENT:
2005                 case OP_STORE_FLD:
2006                 case OP_STORE_S:
2007                 case OP_STORE_FNC:
2008                 case OP_STATE:
2009                 case OP_STOREP_V:
2010                 case OP_STORE_V:
2011                         if ((unsigned short) st->a >= prog->progs->numglobals || (unsigned short) st->b >= prog->progs->numglobals)
2012                                 PRVM_ERROR("PRVM_LoadProgs: out of bounds global index (statement %d) in %s", i, PRVM_NAME);
2013                         break;
2014                 // 1 global
2015                 case OP_CALL0:
2016                 case OP_CALL1:
2017                 case OP_CALL2:
2018                 case OP_CALL3:
2019                 case OP_CALL4:
2020                 case OP_CALL5:
2021                 case OP_CALL6:
2022                 case OP_CALL7:
2023                 case OP_CALL8:
2024                 case OP_DONE:
2025                 case OP_RETURN:
2026                         if ((unsigned short) st->a >= prog->progs->numglobals)
2027                                 PRVM_ERROR("PRVM_LoadProgs: out of bounds global index (statement %d) in %s", i, PRVM_NAME);
2028                         break;
2029                 default:
2030                         Con_DPrintf("PRVM_LoadProgs: unknown opcode %d at statement %d in %s\n", st->op, i, PRVM_NAME);
2031                         break;
2032                 }
2033         }
2034         if(prog->progs->numstatements < 1)
2035         {
2036                 PRVM_ERROR("PRVM_LoadProgs: empty program in %s", PRVM_NAME);
2037         }
2038         else switch(prog->statements[prog->progs->numstatements - 1].op)
2039         {
2040                 case OP_RETURN:
2041                 case OP_GOTO:
2042                 case OP_DONE:
2043                         break;
2044                 default:
2045                         PRVM_ERROR("PRVM_LoadProgs: program may fall off the edge (does not end with RETURN, GOTO or DONE) in %s", PRVM_NAME);
2046                         break;
2047         }
2048
2049         PRVM_LoadLNO(filename);
2050
2051         PRVM_Init_Exec();
2052
2053         prog->loaded = TRUE;
2054
2055         // set flags & ddef_ts in prog
2056
2057         prog->flag = 0;
2058
2059         PRVM_FindOffsets();
2060
2061         PRVM_GCALL(init_cmd)();
2062
2063         // init mempools
2064         PRVM_MEM_Alloc();
2065 }
2066
2067
2068 void PRVM_Fields_f (void)
2069 {
2070         int i, j, ednum, used, usedamount;
2071         int *counts;
2072         char tempstring[MAX_INPUTLINE], tempstring2[260];
2073         const char *name;
2074         prvm_edict_t *ed;
2075         ddef_t *d;
2076         int *v;
2077
2078         // TODO
2079         /*
2080         if (!sv.active)
2081         {
2082                 Con_Print("no progs loaded\n");
2083                 return;
2084         }
2085         */
2086
2087         if(Cmd_Argc() != 2)
2088         {
2089                 Con_Print("prvm_fields <program name>\n");
2090                 return;
2091         }
2092
2093         PRVM_Begin;
2094         if(!PRVM_SetProgFromString(Cmd_Argv(1)))
2095                 return;
2096
2097         counts = (int *)Mem_Alloc(tempmempool, prog->progs->numfielddefs * sizeof(int));
2098         for (ednum = 0;ednum < prog->max_edicts;ednum++)
2099         {
2100                 ed = PRVM_EDICT_NUM(ednum);
2101                 if (ed->priv.required->free)
2102                         continue;
2103                 for (i = 1;i < prog->progs->numfielddefs;i++)
2104                 {
2105                         d = &prog->fielddefs[i];
2106                         name = PRVM_GetString(d->s_name);
2107                         if (name[strlen(name)-2] == '_')
2108                                 continue;       // skip _x, _y, _z vars
2109                         v = (int *)((char *)ed->fields.vp + d->ofs*4);
2110                         // if the value is still all 0, skip the field
2111                         for (j = 0;j < prvm_type_size[d->type & ~DEF_SAVEGLOBAL];j++)
2112                         {
2113                                 if (v[j])
2114                                 {
2115                                         counts[i]++;
2116                                         break;
2117                                 }
2118                         }
2119                 }
2120         }
2121         used = 0;
2122         usedamount = 0;
2123         tempstring[0] = 0;
2124         for (i = 0;i < prog->progs->numfielddefs;i++)
2125         {
2126                 d = &prog->fielddefs[i];
2127                 name = PRVM_GetString(d->s_name);
2128                 if (name[strlen(name)-2] == '_')
2129                         continue;       // skip _x, _y, _z vars
2130                 switch(d->type & ~DEF_SAVEGLOBAL)
2131                 {
2132                 case ev_string:
2133                         strlcat(tempstring, "string   ", sizeof(tempstring));
2134                         break;
2135                 case ev_entity:
2136                         strlcat(tempstring, "entity   ", sizeof(tempstring));
2137                         break;
2138                 case ev_function:
2139                         strlcat(tempstring, "function ", sizeof(tempstring));
2140                         break;
2141                 case ev_field:
2142                         strlcat(tempstring, "field    ", sizeof(tempstring));
2143                         break;
2144                 case ev_void:
2145                         strlcat(tempstring, "void     ", sizeof(tempstring));
2146                         break;
2147                 case ev_float:
2148                         strlcat(tempstring, "float    ", sizeof(tempstring));
2149                         break;
2150                 case ev_vector:
2151                         strlcat(tempstring, "vector   ", sizeof(tempstring));
2152                         break;
2153                 case ev_pointer:
2154                         strlcat(tempstring, "pointer  ", sizeof(tempstring));
2155                         break;
2156                 default:
2157                         dpsnprintf (tempstring2, sizeof(tempstring2), "bad type %i ", d->type & ~DEF_SAVEGLOBAL);
2158                         strlcat(tempstring, tempstring2, sizeof(tempstring));
2159                         break;
2160                 }
2161                 if (strlen(name) > sizeof(tempstring2)-4)
2162                 {
2163                         memcpy (tempstring2, name, sizeof(tempstring2)-4);
2164                         tempstring2[sizeof(tempstring2)-4] = tempstring2[sizeof(tempstring2)-3] = tempstring2[sizeof(tempstring2)-2] = '.';
2165                         tempstring2[sizeof(tempstring2)-1] = 0;
2166                         name = tempstring2;
2167                 }
2168                 strlcat(tempstring, name, sizeof(tempstring));
2169                 for (j = (int)strlen(name);j < 25;j++)
2170                         strlcat(tempstring, " ", sizeof(tempstring));
2171                 dpsnprintf(tempstring2, sizeof(tempstring2), "%5d", counts[i]);
2172                 strlcat(tempstring, tempstring2, sizeof(tempstring));
2173                 strlcat(tempstring, "\n", sizeof(tempstring));
2174                 if (strlen(tempstring) >= sizeof(tempstring)/2)
2175                 {
2176                         Con_Print(tempstring);
2177                         tempstring[0] = 0;
2178                 }
2179                 if (counts[i])
2180                 {
2181                         used++;
2182                         usedamount += prvm_type_size[d->type & ~DEF_SAVEGLOBAL];
2183                 }
2184         }
2185         Mem_Free(counts);
2186         Con_Printf("%s: %i entity fields (%i in use), totalling %i bytes per edict (%i in use), %i edicts allocated, %i bytes total spent on edict fields (%i needed)\n", PRVM_NAME, prog->progs->entityfields, used, prog->progs->entityfields * 4, usedamount * 4, prog->max_edicts, prog->progs->entityfields * 4 * prog->max_edicts, usedamount * 4 * prog->max_edicts);
2187
2188         PRVM_End;
2189 }
2190
2191 void PRVM_Globals_f (void)
2192 {
2193         int i;
2194         const char *wildcard;
2195         int numculled;
2196                 numculled = 0;
2197         // TODO
2198         /*if (!sv.active)
2199         {
2200                 Con_Print("no progs loaded\n");
2201                 return;
2202         }*/
2203         if(Cmd_Argc () < 2 || Cmd_Argc() > 3)
2204         {
2205                 Con_Print("prvm_globals <program name> <optional name wildcard>\n");
2206                 return;
2207         }
2208
2209         PRVM_Begin;
2210         if(!PRVM_SetProgFromString (Cmd_Argv (1)))
2211                 return;
2212
2213         if( Cmd_Argc() == 3)
2214                 wildcard = Cmd_Argv(2);
2215         else
2216                 wildcard = NULL;
2217
2218         Con_Printf("%s :", PRVM_NAME);
2219
2220         for (i = 0;i < prog->progs->numglobaldefs;i++)
2221         {
2222                 if(wildcard)
2223                         if( !matchpattern( PRVM_GetString(prog->globaldefs[i].s_name), wildcard, 1) )
2224                         {
2225                                 numculled++;
2226                                 continue;
2227                         }
2228                 Con_Printf("%s\n", PRVM_GetString(prog->globaldefs[i].s_name));
2229         }
2230         Con_Printf("%i global variables, %i culled, totalling %i bytes\n", prog->progs->numglobals, numculled, prog->progs->numglobals * 4);
2231
2232         PRVM_End;
2233 }
2234
2235 /*
2236 ===============
2237 PRVM_Global
2238 ===============
2239 */
2240 void PRVM_Global_f(void)
2241 {
2242         ddef_t *global;
2243         if( Cmd_Argc() != 3 ) {
2244                 Con_Printf( "prvm_global <program name> <global name>\n" );
2245                 return;
2246         }
2247
2248         PRVM_Begin;
2249         if( !PRVM_SetProgFromString( Cmd_Argv(1) ) )
2250                 return;
2251
2252         global = PRVM_ED_FindGlobal( Cmd_Argv(2) );
2253         if( !global )
2254                 Con_Printf( "No global '%s' in %s!\n", Cmd_Argv(2), Cmd_Argv(1) );
2255         else
2256                 Con_Printf( "%s: %s\n", Cmd_Argv(2), PRVM_ValueString( (etype_t)global->type, (prvm_eval_t *) &prog->globals.generic[ global->ofs ] ) );
2257         PRVM_End;
2258 }
2259
2260 /*
2261 ===============
2262 PRVM_GlobalSet
2263 ===============
2264 */
2265 void PRVM_GlobalSet_f(void)
2266 {
2267         ddef_t *global;
2268         if( Cmd_Argc() != 4 ) {
2269                 Con_Printf( "prvm_globalset <program name> <global name> <value>\n" );
2270                 return;
2271         }
2272
2273         PRVM_Begin;
2274         if( !PRVM_SetProgFromString( Cmd_Argv(1) ) )
2275                 return;
2276
2277         global = PRVM_ED_FindGlobal( Cmd_Argv(2) );
2278         if( !global )
2279                 Con_Printf( "No global '%s' in %s!\n", Cmd_Argv(2), Cmd_Argv(1) );
2280         else
2281                 PRVM_ED_ParseEpair( NULL, global, Cmd_Argv(3), true );
2282         PRVM_End;
2283 }
2284
2285 /*
2286 ===============
2287 PRVM_Init
2288 ===============
2289 */
2290 void PRVM_Init (void)
2291 {
2292         Cmd_AddCommand ("prvm_edict", PRVM_ED_PrintEdict_f, "print all data about an entity number in the selected VM (server, client, menu)");
2293         Cmd_AddCommand ("prvm_edicts", PRVM_ED_PrintEdicts_f, "prints all data about all entities in the selected VM (server, client, menu)");
2294         Cmd_AddCommand ("prvm_edictcount", PRVM_ED_Count_f, "prints number of active entities in the selected VM (server, client, menu)");
2295         Cmd_AddCommand ("prvm_profile", PRVM_Profile_f, "prints execution statistics about the most used QuakeC functions in the selected VM (server, client, menu)");
2296         Cmd_AddCommand ("prvm_childprofile", PRVM_ChildProfile_f, "prints execution statistics about the most used QuakeC functions in the selected VM (server, client, menu), sorted by time taken in function with child calls");
2297         Cmd_AddCommand ("prvm_callprofile", PRVM_CallProfile_f, "prints execution statistics about the most time consuming QuakeC calls from the engine in the selected VM (server, client, menu)");
2298         Cmd_AddCommand ("prvm_fields", PRVM_Fields_f, "prints usage statistics on properties (how many entities have non-zero values) in the selected VM (server, client, menu)");
2299         Cmd_AddCommand ("prvm_globals", PRVM_Globals_f, "prints all global variables in the selected VM (server, client, menu)");
2300         Cmd_AddCommand ("prvm_global", PRVM_Global_f, "prints value of a specified global variable in the selected VM (server, client, menu)");
2301         Cmd_AddCommand ("prvm_globalset", PRVM_GlobalSet_f, "sets value of a specified global variable in the selected VM (server, client, menu)");
2302         Cmd_AddCommand ("prvm_edictset", PRVM_ED_EdictSet_f, "changes value of a specified property of a specified entity in the selected VM (server, client, menu)");
2303         Cmd_AddCommand ("prvm_edictget", PRVM_ED_EdictGet_f, "retrieves the value of a specified property of a specified entity in the selected VM (server, client menu) into a cvar or to the console");
2304         Cmd_AddCommand ("prvm_globalget", PRVM_ED_GlobalGet_f, "retrieves the value of a specified global variable in the selected VM (server, client menu) into a cvar or to the console");
2305         Cmd_AddCommand ("prvm_printfunction", PRVM_PrintFunction_f, "prints a disassembly (QuakeC instructions) of the specified function in the selected VM (server, client, menu)");
2306         Cmd_AddCommand ("cl_cmd", PRVM_GameCommand_Client_f, "calls the client QC function GameCommand with the supplied string as argument");
2307         Cmd_AddCommand ("menu_cmd", PRVM_GameCommand_Menu_f, "calls the menu QC function GameCommand with the supplied string as argument");
2308         Cmd_AddCommand ("sv_cmd", PRVM_GameCommand_Server_f, "calls the server QC function GameCommand with the supplied string as argument");
2309
2310         // COMMANDLINEOPTION: PRVM: -noboundscheck disables the bounds checks (security hole if CSQC is in use!)
2311         prvm_boundscheck = !COM_CheckParm("-noboundscheck");
2312
2313         Cvar_RegisterVariable (&prvm_traceqc);
2314         Cvar_RegisterVariable (&prvm_statementprofiling);
2315         Cvar_RegisterVariable (&prvm_backtraceforwarnings);
2316         Cvar_RegisterVariable (&prvm_leaktest);
2317         Cvar_RegisterVariable (&prvm_leaktest_ignore_classnames);
2318         Cvar_RegisterVariable (&prvm_errordump);
2319         Cvar_RegisterVariable (&prvm_reuseedicts_startuptime);
2320         Cvar_RegisterVariable (&prvm_reuseedicts_neverinsameframe);
2321
2322         // COMMANDLINEOPTION: PRVM: -norunaway disables the runaway loop check (it might be impossible to exit DarkPlaces if used!)
2323         prvm_runawaycheck = !COM_CheckParm("-norunaway");
2324
2325         //VM_Cmd_Init();
2326 }
2327
2328 /*
2329 ===============
2330 PRVM_InitProg
2331 ===============
2332 */
2333 void PRVM_InitProg(int prognr)
2334 {
2335         if(prognr < 0 || prognr >= PRVM_MAXPROGS)
2336                 Sys_Error("PRVM_InitProg: Invalid program number %i",prognr);
2337
2338         prog = &prog_list[prognr];
2339
2340         if(prog->loaded)
2341                 PRVM_ResetProg();
2342
2343         memset(prog, 0, sizeof(prvm_prog_t));
2344         prog->starttime = Sys_DoubleTime();
2345
2346         prog->error_cmd = Host_Error;
2347         prog->leaktest_active = prvm_leaktest.integer != 0;
2348 }
2349
2350 int PRVM_GetProgNr(void)
2351 {
2352         return prog - prog_list;
2353 }
2354
2355 void *_PRVM_Alloc(size_t buffersize, const char *filename, int fileline)
2356 {
2357         return _Mem_Alloc(prog->progs_mempool, buffersize, filename, fileline);
2358 }
2359
2360 void _PRVM_Free(void *buffer, const char *filename, int fileline)
2361 {
2362         _Mem_Free(buffer, filename, fileline);
2363 }
2364
2365 void _PRVM_FreeAll(const char *filename, int fileline)
2366 {
2367         prog->progs = NULL;
2368         prog->fielddefs = NULL;
2369         prog->functions = NULL;
2370         _Mem_EmptyPool(prog->progs_mempool, filename, fileline);
2371 }
2372
2373 // LordHavoc: turned PRVM_EDICT_NUM into a #define for speed reasons
2374 unsigned int PRVM_EDICT_NUM_ERROR(unsigned int n, char *filename, int fileline)
2375 {
2376         PRVM_ERROR ("PRVM_EDICT_NUM: %s: bad number %i (called at %s:%i)", PRVM_NAME, n, filename, fileline);
2377         return 0;
2378 }
2379
2380 /*
2381 int NUM_FOR_EDICT_ERROR(prvm_edict_t *e)
2382 {
2383         PRVM_ERROR ("PRVM_NUM_FOR_EDICT: bad pointer %p (world is %p, entity number would be %i)", e, prog->edicts, e - prog->edicts);
2384         return 0;
2385 }
2386
2387 int PRVM_NUM_FOR_EDICT(prvm_edict_t *e)
2388 {
2389         int n;
2390         n = e - prog->edicts;
2391         if ((unsigned int)n >= prog->limit_edicts)
2392                 Host_Error ("PRVM_NUM_FOR_EDICT: bad pointer");
2393         return n;
2394 }
2395
2396 //int NoCrash_NUM_FOR_EDICT(prvm_edict_t *e)
2397 //{
2398 //      return e - prog->edicts;
2399 //}
2400
2401 //#define       PRVM_EDICT_TO_PROG(e) ((unsigned char *)(((prvm_edict_t *)e)->v) - (unsigned char *)(prog->edictsfields))
2402 //#define PRVM_PROG_TO_EDICT(e) (prog->edicts + ((e) / (progs->entityfields * 4)))
2403 int PRVM_EDICT_TO_PROG(prvm_edict_t *e)
2404 {
2405         int n;
2406         n = e - prog->edicts;
2407         if ((unsigned int)n >= (unsigned int)prog->max_edicts)
2408                 Host_Error("PRVM_EDICT_TO_PROG: invalid edict %8p (number %i compared to world at %8p)", e, n, prog->edicts);
2409         return n;// EXPERIMENTAL
2410         //return (unsigned char *)e->v - (unsigned char *)prog->edictsfields;
2411 }
2412 prvm_edict_t *PRVM_PROG_TO_EDICT(int n)
2413 {
2414         if ((unsigned int)n >= (unsigned int)prog->max_edicts)
2415                 Host_Error("PRVM_PROG_TO_EDICT: invalid edict number %i", n);
2416         return prog->edicts + n; // EXPERIMENTAL
2417         //return prog->edicts + ((n) / (progs->entityfields * 4));
2418 }
2419 */
2420
2421
2422 sizebuf_t vm_tempstringsbuf;
2423
2424 const char *PRVM_GetString(int num)
2425 {
2426         if (num >= 0)
2427         {
2428                 if (num < prog->stringssize)
2429                         return prog->strings + num;
2430                 else
2431 #if 1
2432                 if (num <= prog->stringssize + vm_tempstringsbuf.maxsize)
2433                 {
2434                         num -= prog->stringssize;
2435                         if (num < vm_tempstringsbuf.cursize)
2436                                 return (char *)vm_tempstringsbuf.data + num;
2437                         else
2438                         {
2439                                 VM_Warning("PRVM_GetString: Invalid temp-string offset (%i >= %i vm_tempstringsbuf.cursize)\n", num, vm_tempstringsbuf.cursize);
2440                                 return "";
2441                         }
2442                 }
2443                 else
2444 #endif
2445                 {
2446                         VM_Warning("PRVM_GetString: Invalid constant-string offset (%i >= %i prog->stringssize)\n", num, prog->stringssize);
2447                         return "";
2448                 }
2449         }
2450         else
2451         {
2452                 num = -1 - num;
2453 #if 0
2454                 if (num >= (1<<30))
2455                 {
2456                         // special range reserved for tempstrings
2457                         num -= (1<<30);
2458                         if (num < vm_tempstringsbuf.cursize)
2459                                 return (char *)vm_tempstringsbuf.data + num;
2460                         else
2461                         {
2462                                 VM_Warning("PRVM_GetString: Invalid temp-string offset (%i >= %i vm_tempstringsbuf.cursize)\n", num, vm_tempstringsbuf.cursize);
2463                                 return "";
2464                         }
2465                 }
2466                 else
2467 #endif
2468                 if (num < prog->numknownstrings)
2469                 {
2470                         if (!prog->knownstrings[num])
2471                         {
2472                                 VM_Warning("PRVM_GetString: Invalid zone-string offset (%i has been freed)\n", num);
2473                                 return "";
2474                         }
2475                         return prog->knownstrings[num];
2476                 }
2477                 else
2478                 {
2479                         VM_Warning("PRVM_GetString: Invalid zone-string offset (%i >= %i)\n", num, prog->numknownstrings);
2480                         return "";
2481                 }
2482         }
2483 }
2484
2485 int PRVM_SetEngineString(const char *s)
2486 {
2487         int i;
2488         if (!s)
2489                 return 0;
2490         if (s >= prog->strings && s <= prog->strings + prog->stringssize)
2491                 PRVM_ERROR("PRVM_SetEngineString: s in prog->strings area");
2492         // if it's in the tempstrings area, use a reserved range
2493         // (otherwise we'd get millions of useless string offsets cluttering the database)
2494         if (s >= (char *)vm_tempstringsbuf.data && s < (char *)vm_tempstringsbuf.data + vm_tempstringsbuf.maxsize)
2495 #if 1
2496                 return prog->stringssize + (s - (char *)vm_tempstringsbuf.data);
2497 #else
2498                 return -1 - ((1<<30) + (s - (char *)vm_tempstringsbuf.data));
2499 #endif
2500         // see if it's a known string address
2501         for (i = 0;i < prog->numknownstrings;i++)
2502                 if (prog->knownstrings[i] == s)
2503                         return -1 - i;
2504         // new unknown engine string
2505         if (developer.integer >= 200)
2506                 Con_Printf("new engine string %p = \"%s\"\n", s, s);
2507         for (i = prog->firstfreeknownstring;i < prog->numknownstrings;i++)
2508                 if (!prog->knownstrings[i])
2509                         break;
2510         if (i >= prog->numknownstrings)
2511         {
2512                 if (i >= prog->maxknownstrings)
2513                 {
2514                         const char **oldstrings = prog->knownstrings;
2515                         const unsigned char *oldstrings_freeable = prog->knownstrings_freeable;
2516                         const char **oldstrings_origin = prog->knownstrings_origin;
2517                         prog->maxknownstrings += 128;
2518                         prog->knownstrings = (const char **)PRVM_Alloc(prog->maxknownstrings * sizeof(char *));
2519                         prog->knownstrings_freeable = (unsigned char *)PRVM_Alloc(prog->maxknownstrings * sizeof(unsigned char));
2520                         if(prog->leaktest_active)
2521                                 prog->knownstrings_origin = (const char **)PRVM_Alloc(prog->maxknownstrings * sizeof(char *));
2522                         if (prog->numknownstrings)
2523                         {
2524                                 memcpy((char **)prog->knownstrings, oldstrings, prog->numknownstrings * sizeof(char *));
2525                                 memcpy((char **)prog->knownstrings_freeable, oldstrings_freeable, prog->numknownstrings * sizeof(unsigned char));
2526                                 if(prog->leaktest_active)
2527                                         memcpy((char **)prog->knownstrings_origin, oldstrings_origin, prog->numknownstrings * sizeof(char *));
2528                         }
2529                 }
2530                 prog->numknownstrings++;
2531         }
2532         prog->firstfreeknownstring = i + 1;
2533         prog->knownstrings[i] = s;
2534         prog->knownstrings_freeable[i] = false;
2535         if(prog->leaktest_active)
2536                 prog->knownstrings_origin[i] = NULL;
2537         return -1 - i;
2538 }
2539
2540 // temp string handling
2541
2542 // all tempstrings go into this buffer consecutively, and it is reset
2543 // whenever PRVM_ExecuteProgram returns to the engine
2544 // (technically each PRVM_ExecuteProgram call saves the cursize value and
2545 //  restores it on return, so multiple recursive calls can share the same
2546 //  buffer)
2547 // the buffer size is automatically grown as needed
2548
2549 int PRVM_SetTempString(const char *s)
2550 {
2551         int size;
2552         char *t;
2553         if (!s)
2554                 return 0;
2555         size = (int)strlen(s) + 1;
2556         if (developer.integer >= 300)
2557                 Con_Printf("PRVM_SetTempString: cursize %i, size %i\n", vm_tempstringsbuf.cursize, size);
2558         if (vm_tempstringsbuf.maxsize < vm_tempstringsbuf.cursize + size)
2559         {
2560                 sizebuf_t old = vm_tempstringsbuf;
2561                 if (vm_tempstringsbuf.cursize + size >= 1<<28)
2562                         PRVM_ERROR("PRVM_SetTempString: ran out of tempstring memory!  (refusing to grow tempstring buffer over 256MB, cursize %i, size %i)\n", vm_tempstringsbuf.cursize, size);
2563                 vm_tempstringsbuf.maxsize = max(vm_tempstringsbuf.maxsize, 65536);
2564                 while (vm_tempstringsbuf.maxsize < vm_tempstringsbuf.cursize + size)
2565                         vm_tempstringsbuf.maxsize *= 2;
2566                 if (vm_tempstringsbuf.maxsize != old.maxsize || vm_tempstringsbuf.data == NULL)
2567                 {
2568                         if (developer.integer >= 100)
2569                                 Con_Printf("PRVM_SetTempString: enlarging tempstrings buffer (%iKB -> %iKB)\n", old.maxsize/1024, vm_tempstringsbuf.maxsize/1024);
2570                         vm_tempstringsbuf.data = (unsigned char *) Mem_Alloc(sv_mempool, vm_tempstringsbuf.maxsize);
2571                         if (old.cursize)
2572                                 memcpy(vm_tempstringsbuf.data, old.data, old.cursize);
2573                         if (old.data)
2574                                 Mem_Free(old.data);
2575                 }
2576         }
2577         t = (char *)vm_tempstringsbuf.data + vm_tempstringsbuf.cursize;
2578         memcpy(t, s, size);
2579         vm_tempstringsbuf.cursize += size;
2580         return PRVM_SetEngineString(t);
2581 }
2582
2583 int PRVM_AllocString(size_t bufferlength, char **pointer)
2584 {
2585         int i;
2586         if (!bufferlength)
2587                 return 0;
2588         for (i = prog->firstfreeknownstring;i < prog->numknownstrings;i++)
2589                 if (!prog->knownstrings[i])
2590                         break;
2591         if (i >= prog->numknownstrings)
2592         {
2593                 if (i >= prog->maxknownstrings)
2594                 {
2595                         const char **oldstrings = prog->knownstrings;
2596                         const unsigned char *oldstrings_freeable = prog->knownstrings_freeable;
2597                         const char **oldstrings_origin = prog->knownstrings_origin;
2598                         prog->maxknownstrings += 128;
2599                         prog->knownstrings = (const char **)PRVM_Alloc(prog->maxknownstrings * sizeof(char *));
2600                         prog->knownstrings_freeable = (unsigned char *)PRVM_Alloc(prog->maxknownstrings * sizeof(unsigned char));
2601                         if(prog->leaktest_active)
2602                                 prog->knownstrings_origin = (const char **)PRVM_Alloc(prog->maxknownstrings * sizeof(char *));
2603                         if (prog->numknownstrings)
2604                         {
2605                                 memcpy((char **)prog->knownstrings, oldstrings, prog->numknownstrings * sizeof(char *));
2606                                 memcpy((char **)prog->knownstrings_freeable, oldstrings_freeable, prog->numknownstrings * sizeof(unsigned char));
2607                                 if(prog->leaktest_active)
2608                                         memcpy((char **)prog->knownstrings_origin, oldstrings_origin, prog->numknownstrings * sizeof(char *));
2609                         }
2610                         // TODO why not Mem_Free the old ones?
2611                 }
2612                 prog->numknownstrings++;
2613         }
2614         prog->firstfreeknownstring = i + 1;
2615         prog->knownstrings[i] = (char *)PRVM_Alloc(bufferlength);
2616         prog->knownstrings_freeable[i] = true;
2617         if(prog->leaktest_active)
2618                 prog->knownstrings_origin[i] = PRVM_AllocationOrigin();
2619         if (pointer)
2620                 *pointer = (char *)(prog->knownstrings[i]);
2621         return -1 - i;
2622 }
2623
2624 void PRVM_FreeString(int num)
2625 {
2626         if (num == 0)
2627                 PRVM_ERROR("PRVM_FreeString: attempt to free a NULL string");
2628         else if (num >= 0 && num < prog->stringssize)
2629                 PRVM_ERROR("PRVM_FreeString: attempt to free a constant string");
2630         else if (num < 0 && num >= -prog->numknownstrings)
2631         {
2632                 num = -1 - num;
2633                 if (!prog->knownstrings[num])
2634                         PRVM_ERROR("PRVM_FreeString: attempt to free a non-existent or already freed string");
2635                 if (!prog->knownstrings_freeable[num])
2636                         PRVM_ERROR("PRVM_FreeString: attempt to free a string owned by the engine");
2637                 PRVM_Free((char *)prog->knownstrings[num]);
2638                 if(prog->leaktest_active)
2639                         if(prog->knownstrings_origin[num])
2640                                 PRVM_Free((char *)prog->knownstrings_origin[num]);
2641                 prog->knownstrings[num] = NULL;
2642                 prog->knownstrings_freeable[num] = false;
2643                 prog->firstfreeknownstring = min(prog->firstfreeknownstring, num);
2644         }
2645         else
2646                 PRVM_ERROR("PRVM_FreeString: invalid string offset %i", num);
2647 }
2648
2649 static qboolean PRVM_IsStringReferenced(string_t string)
2650 {
2651         int i, j;
2652
2653         for (i = 0;i < prog->progs->numglobaldefs;i++)
2654         {
2655                 ddef_t *d = &prog->globaldefs[i];
2656                 if((etype_t)((int) d->type & ~DEF_SAVEGLOBAL) != ev_string)
2657                         continue;
2658                 if(string == ((prvm_eval_t *) &prog->globals.generic[d->ofs])->string)
2659                         return true;
2660         }
2661
2662         for(j = 0; j < prog->num_edicts; ++j)
2663         {
2664                 prvm_edict_t *ed = PRVM_EDICT_NUM(j);
2665                 if (ed->priv.required->free)
2666                         continue;
2667                 for (i=0; i<prog->progs->numfielddefs; ++i)
2668                 {
2669                         ddef_t *d = &prog->fielddefs[i];
2670                         if((etype_t)((int) d->type & ~DEF_SAVEGLOBAL) != ev_string)
2671                                 continue;
2672                         if(string == ((prvm_eval_t *) &((float*)ed->fields.vp)[d->ofs])->string)
2673                                 return true;
2674                 }
2675         }
2676
2677         return false;
2678 }
2679
2680 static qboolean PRVM_IsEdictRelevant(prvm_edict_t *edict)
2681 {
2682         if(PRVM_NUM_FOR_EDICT(edict) <= prog->reserved_edicts)
2683                 return true; // world or clients
2684         switch(prog - prog_list)
2685         {
2686                 case PRVM_SERVERPROG:
2687                         {
2688                                 entvars_t *ev = edict->fields.server;
2689                                 if(ev->solid) // can block other stuff, or is a trigger?
2690                                         return true;
2691                                 if(ev->modelindex) // visible ent?
2692                                         return true;
2693                                 if(ev->effects) // particle effect?
2694                                         return true;
2695                                 if(ev->think) // has a think function?
2696                                         if(ev->nextthink > 0) // that actually will eventually run?
2697                                                 return true;
2698                                 if(ev->takedamage)
2699                                         return true;
2700                                 if(*prvm_leaktest_ignore_classnames.string)
2701                                 {
2702                                         if(strstr(va(" %s ", prvm_leaktest_ignore_classnames.string), va(" %s ", PRVM_GetString(ev->classname))))
2703                                                 return true;
2704                                 }
2705                         }
2706                         break;
2707                 case PRVM_CLIENTPROG:
2708                         {
2709                                 // TODO someone add more stuff here
2710                                 cl_entvars_t *ev = edict->fields.client;
2711                                 if(ev->entnum) // csqc networked
2712                                         return true;
2713                                 if(ev->modelindex) // visible ent?
2714                                         return true;
2715                                 if(ev->effects) // particle effect?
2716                                         return true;
2717                                 if(ev->think) // has a think function?
2718                                         if(ev->nextthink > 0) // that actually will eventually run?
2719                                                 return true;
2720                                 if(*prvm_leaktest_ignore_classnames.string)
2721                                 {
2722                                         if(strstr(va(" %s ", prvm_leaktest_ignore_classnames.string), va(" %s ", PRVM_GetString(ev->classname))))
2723                                                 return true;
2724                                 }
2725                         }
2726                         break;
2727                 case PRVM_MENUPROG:
2728                         // menu prog does not have classnames
2729                         break;
2730         }
2731         return false;
2732 }
2733
2734 static qboolean PRVM_IsEdictReferenced(prvm_edict_t *edict, int mark)
2735 {
2736         int i, j;
2737         int edictnum = PRVM_NUM_FOR_EDICT(edict);
2738         const char *targetname = NULL;
2739
2740         switch(prog - prog_list)
2741         {
2742                 case PRVM_SERVERPROG:
2743                         targetname = PRVM_GetString(edict->fields.server->targetname);
2744                         break;
2745         }
2746
2747         if(targetname)
2748                 if(!*targetname) // ""
2749                         targetname = NULL;
2750
2751         for (i = 0;i < prog->progs->numglobaldefs;i++)
2752         {
2753                 ddef_t *d = &prog->globaldefs[i];
2754                 if((etype_t)((int) d->type & ~DEF_SAVEGLOBAL) != ev_entity)
2755                         continue;
2756                 if(edictnum == ((prvm_eval_t *) &prog->globals.generic[d->ofs])->edict)
2757                         return true;
2758         }
2759
2760         for(j = 0; j < prog->num_edicts; ++j)
2761         {
2762                 prvm_edict_t *ed = PRVM_EDICT_NUM(j);
2763                 if (ed->priv.required->mark < mark)
2764                         continue;
2765                 if(ed == edict)
2766                         continue;
2767                 if(targetname)
2768                 {
2769                         const char *target = PRVM_GetString(ed->fields.server->target);
2770                         if(target)
2771                                 if(!strcmp(target, targetname))
2772                                         return true;
2773                 }
2774                 for (i=0; i<prog->progs->numfielddefs; ++i)
2775                 {
2776                         ddef_t *d = &prog->fielddefs[i];
2777                         if((etype_t)((int) d->type & ~DEF_SAVEGLOBAL) != ev_entity)
2778                                 continue;
2779                         if(edictnum == ((prvm_eval_t *) &((float*)ed->fields.vp)[d->ofs])->edict)
2780                                 return true;
2781                 }
2782         }
2783
2784         return false;
2785 }
2786
2787 static void PRVM_MarkReferencedEdicts(void)
2788 {
2789         int j;
2790         qboolean found_new;
2791         int stage;
2792
2793         for(j = 0; j < prog->num_edicts; ++j)
2794         {
2795                 prvm_edict_t *ed = PRVM_EDICT_NUM(j);
2796                 if(ed->priv.required->free)
2797                         continue;
2798                 ed->priv.required->mark = PRVM_IsEdictRelevant(ed) ? 1 : 0;
2799         }
2800
2801         stage = 1;
2802         do
2803         {
2804                 found_new = false;
2805                 for(j = 0; j < prog->num_edicts; ++j)
2806                 {
2807                         prvm_edict_t *ed = PRVM_EDICT_NUM(j);
2808                         if(ed->priv.required->free)
2809                                 continue;
2810                         if(ed->priv.required->mark)
2811                                 continue;
2812                         if(PRVM_IsEdictReferenced(ed, stage))
2813                         {
2814                                 ed->priv.required->mark = stage + 1;
2815                                 found_new = true;
2816                         }
2817                 }
2818                 ++stage;
2819         }
2820         while(found_new);
2821         Con_DPrintf("leak check used %d stages to find all references\n", stage);
2822 }
2823
2824 void PRVM_LeakTest(void)
2825 {
2826         int i, j;
2827         qboolean leaked = false;
2828
2829         if(!prog->leaktest_active)
2830                 return;
2831
2832         // 1. Strings
2833         for (i = 0; i < prog->numknownstrings; ++i)
2834         {
2835                 if(prog->knownstrings[i])
2836                 if(prog->knownstrings_freeable[i])
2837                 if(prog->knownstrings_origin[i])
2838                 if(!PRVM_IsStringReferenced(-1 - i))
2839                 {
2840                         Con_Printf("Unreferenced string found!\n  Value: %s\n  Origin: %s\n", prog->knownstrings[i], prog->knownstrings_origin[i]);
2841                         leaked = true;
2842                 }
2843         }
2844
2845         // 2. Edicts
2846         PRVM_MarkReferencedEdicts();
2847         for(j = 0; j < prog->num_edicts; ++j)
2848         {
2849                 prvm_edict_t *ed = PRVM_EDICT_NUM(j);
2850                 if(ed->priv.required->free)
2851                         continue;
2852                 if(!ed->priv.required->mark)
2853                 if(ed->priv.required->allocation_origin)
2854                 {
2855                         Con_Printf("Unreferenced edict found!\n  Allocated at: %s\n", ed->priv.required->allocation_origin);
2856                         PRVM_ED_Print(ed, NULL);
2857                         Con_Print("\n");
2858                         leaked = true;
2859                 }
2860         }
2861
2862         for (i = 0; i < (int)Mem_ExpandableArray_IndexRange(&prog->stringbuffersarray); ++i)
2863         {
2864                 prvm_stringbuffer_t *stringbuffer = (prvm_stringbuffer_t*) Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, i);
2865                 if(stringbuffer)
2866                 if(stringbuffer->origin)
2867                 {
2868                         Con_Printf("Open string buffer handle found!\n  Allocated at: %s\n", stringbuffer->origin);
2869                         leaked = true;
2870                 }
2871         }
2872
2873         for(i = 0; i < PRVM_MAX_OPENFILES; ++i)
2874         {
2875                 if(prog->openfiles[i])
2876                 if(prog->openfiles_origin[i])
2877                 {
2878                         Con_Printf("Open file handle found!\n  Allocated at: %s\n", prog->openfiles_origin[i]);
2879                         leaked = true;
2880                 }
2881         }
2882
2883         for(i = 0; i < PRVM_MAX_OPENSEARCHES; ++i)
2884         {
2885                 if(prog->opensearches[i])
2886                 if(prog->opensearches_origin[i])
2887                 {
2888                         Con_Printf("Open search handle found!\n  Allocated at: %s\n", prog->opensearches_origin[i]);
2889                         leaked = true;
2890                 }
2891         }
2892
2893         if(!leaked)
2894                 Con_Printf("Congratulations. No leaks found.\n");
2895 }