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
1639         prog->fieldoffsets.solid                          = PRVM_ED_FindFieldOffset("solid");
1640         prog->fieldoffsets.movetype                       = PRVM_ED_FindFieldOffset("movetype");
1641         prog->fieldoffsets.modelindex                     = PRVM_ED_FindFieldOffset("modelindex");
1642         prog->fieldoffsets.mins                           = PRVM_ED_FindFieldOffset("mins");
1643         prog->fieldoffsets.maxs                           = PRVM_ED_FindFieldOffset("maxs");
1644         prog->fieldoffsets.mass                           = PRVM_ED_FindFieldOffset("mass");
1645         prog->fieldoffsets.origin                         = PRVM_ED_FindFieldOffset("origin");
1646         prog->fieldoffsets.axis_forward                   = PRVM_ED_FindFieldOffset("axis_forward");
1647         prog->fieldoffsets.axis_left                      = PRVM_ED_FindFieldOffset("axis_left");
1648         prog->fieldoffsets.axis_up                        = PRVM_ED_FindFieldOffset("axis_up");
1649         prog->fieldoffsets.angles                         = PRVM_ED_FindFieldOffset("angles");
1650         prog->fieldoffsets.velocity                       = PRVM_ED_FindFieldOffset("velocity");
1651         prog->fieldoffsets.spinvelocity                   = PRVM_ED_FindFieldOffset("spinvelocity");
1652
1653         prog->funcoffsets.CSQC_ConsoleCommand             = PRVM_ED_FindFunctionOffset("CSQC_ConsoleCommand");
1654         prog->funcoffsets.CSQC_Ent_Remove                 = PRVM_ED_FindFunctionOffset("CSQC_Ent_Remove");
1655         prog->funcoffsets.CSQC_Ent_Spawn                  = PRVM_ED_FindFunctionOffset("CSQC_Ent_Spawn");
1656         prog->funcoffsets.CSQC_Ent_Update                 = PRVM_ED_FindFunctionOffset("CSQC_Ent_Update");
1657         prog->funcoffsets.CSQC_Event                      = PRVM_ED_FindFunctionOffset("CSQC_Event");
1658         prog->funcoffsets.CSQC_Event_Sound                = PRVM_ED_FindFunctionOffset("CSQC_Event_Sound");
1659         prog->funcoffsets.CSQC_Init                       = PRVM_ED_FindFunctionOffset("CSQC_Init");
1660         prog->funcoffsets.CSQC_InputEvent                 = PRVM_ED_FindFunctionOffset("CSQC_InputEvent");
1661         prog->funcoffsets.CSQC_Parse_CenterPrint          = PRVM_ED_FindFunctionOffset("CSQC_Parse_CenterPrint");
1662         prog->funcoffsets.CSQC_Parse_Print                = PRVM_ED_FindFunctionOffset("CSQC_Parse_Print");
1663         prog->funcoffsets.CSQC_Parse_StuffCmd             = PRVM_ED_FindFunctionOffset("CSQC_Parse_StuffCmd");
1664         prog->funcoffsets.CSQC_Parse_TempEntity           = PRVM_ED_FindFunctionOffset("CSQC_Parse_TempEntity");
1665         prog->funcoffsets.CSQC_Shutdown                   = PRVM_ED_FindFunctionOffset("CSQC_Shutdown");
1666         prog->funcoffsets.CSQC_UpdateView                 = PRVM_ED_FindFunctionOffset("CSQC_UpdateView");
1667         prog->funcoffsets.EndFrame                        = PRVM_ED_FindFunctionOffset("EndFrame");
1668         prog->funcoffsets.GameCommand                     = PRVM_ED_FindFunctionOffset("GameCommand");
1669         prog->funcoffsets.Gecko_Query                     = PRVM_ED_FindFunctionOffset("Gecko_Query");
1670         prog->funcoffsets.RestoreGame                     = PRVM_ED_FindFunctionOffset("RestoreGame");
1671         prog->funcoffsets.SV_ChangeTeam                   = PRVM_ED_FindFunctionOffset("SV_ChangeTeam");
1672         prog->funcoffsets.SV_OnEntityNoSpawnFunction      = PRVM_ED_FindFunctionOffset("SV_OnEntityNoSpawnFunction");
1673         prog->funcoffsets.SV_OnEntityPostSpawnFunction    = PRVM_ED_FindFunctionOffset("SV_OnEntityPostSpawnFunction");
1674         prog->funcoffsets.SV_OnEntityPreSpawnFunction     = PRVM_ED_FindFunctionOffset("SV_OnEntityPreSpawnFunction");
1675         prog->funcoffsets.SV_ParseClientCommand           = PRVM_ED_FindFunctionOffset("SV_ParseClientCommand");
1676         prog->funcoffsets.SV_PausedTic                    = PRVM_ED_FindFunctionOffset("SV_PausedTic");
1677         prog->funcoffsets.SV_PlayerPhysics                = PRVM_ED_FindFunctionOffset("SV_PlayerPhysics");
1678         prog->funcoffsets.SV_Shutdown                     = PRVM_ED_FindFunctionOffset("SV_Shutdown");
1679         prog->funcoffsets.URI_Get_Callback                = PRVM_ED_FindFunctionOffset("URI_Get_Callback");
1680         prog->globaloffsets.SV_InitCmd                    = PRVM_ED_FindGlobalOffset("SV_InitCmd");
1681         prog->globaloffsets.coop                          = PRVM_ED_FindGlobalOffset("coop");
1682         prog->globaloffsets.deathmatch                    = PRVM_ED_FindGlobalOffset("deathmatch");
1683         prog->globaloffsets.dmg_origin                    = PRVM_ED_FindGlobalOffset("dmg_origin");
1684         prog->globaloffsets.dmg_save                      = PRVM_ED_FindGlobalOffset("dmg_save");
1685         prog->globaloffsets.dmg_take                      = PRVM_ED_FindGlobalOffset("dmg_take");
1686         prog->globaloffsets.drawfont                      = PRVM_ED_FindGlobalOffset("drawfont");
1687         prog->globaloffsets.gettaginfo_forward            = PRVM_ED_FindGlobalOffset("gettaginfo_forward");
1688         prog->globaloffsets.gettaginfo_name               = PRVM_ED_FindGlobalOffset("gettaginfo_name");
1689         prog->globaloffsets.gettaginfo_offset             = PRVM_ED_FindGlobalOffset("gettaginfo_offset");
1690         prog->globaloffsets.gettaginfo_parent             = PRVM_ED_FindGlobalOffset("gettaginfo_parent");
1691         prog->globaloffsets.gettaginfo_right              = PRVM_ED_FindGlobalOffset("gettaginfo_right");
1692         prog->globaloffsets.gettaginfo_up                 = PRVM_ED_FindGlobalOffset("gettaginfo_up");
1693         prog->globaloffsets.transparent_offset            = PRVM_ED_FindGlobalOffset("transparent_offset");
1694         prog->globaloffsets.intermission                  = PRVM_ED_FindGlobalOffset("intermission");
1695         prog->globaloffsets.require_spawnfunc_prefix      = PRVM_ED_FindGlobalOffset("require_spawnfunc_prefix");
1696         prog->globaloffsets.sb_showscores                 = PRVM_ED_FindGlobalOffset("sb_showscores");
1697         prog->globaloffsets.self                          = PRVM_ED_FindGlobalOffset("self");
1698         prog->globaloffsets.serverdeltatime               = PRVM_ED_FindGlobalOffset("serverdeltatime");
1699         prog->globaloffsets.serverprevtime                = PRVM_ED_FindGlobalOffset("serverprevtime");
1700         prog->globaloffsets.servertime                    = PRVM_ED_FindGlobalOffset("servertime");
1701         prog->globaloffsets.time                          = PRVM_ED_FindGlobalOffset("time");
1702         prog->globaloffsets.trace_allsolid                = PRVM_ED_FindGlobalOffset("trace_allsolid");
1703         prog->globaloffsets.trace_dphitcontents           = PRVM_ED_FindGlobalOffset("trace_dphitcontents");
1704         prog->globaloffsets.trace_dphitq3surfaceflags     = PRVM_ED_FindGlobalOffset("trace_dphitq3surfaceflags");
1705         prog->globaloffsets.trace_dphittexturename        = PRVM_ED_FindGlobalOffset("trace_dphittexturename");
1706         prog->globaloffsets.trace_dpstartcontents         = PRVM_ED_FindGlobalOffset("trace_dpstartcontents");
1707         prog->globaloffsets.trace_endpos                  = PRVM_ED_FindGlobalOffset("trace_endpos");
1708         prog->globaloffsets.trace_ent                     = PRVM_ED_FindGlobalOffset("trace_ent");
1709         prog->globaloffsets.trace_fraction                = PRVM_ED_FindGlobalOffset("trace_fraction");
1710         prog->globaloffsets.trace_inopen                  = PRVM_ED_FindGlobalOffset("trace_inopen");
1711         prog->globaloffsets.trace_inwater                 = PRVM_ED_FindGlobalOffset("trace_inwater");
1712         prog->globaloffsets.trace_networkentity           = PRVM_ED_FindGlobalOffset("trace_networkentity");
1713         prog->globaloffsets.trace_plane_dist              = PRVM_ED_FindGlobalOffset("trace_plane_dist");
1714         prog->globaloffsets.trace_plane_normal            = PRVM_ED_FindGlobalOffset("trace_plane_normal");
1715         prog->globaloffsets.trace_startsolid              = PRVM_ED_FindGlobalOffset("trace_startsolid");
1716         prog->globaloffsets.v_forward                     = PRVM_ED_FindGlobalOffset("v_forward");
1717         prog->globaloffsets.v_right                       = PRVM_ED_FindGlobalOffset("v_right");
1718         prog->globaloffsets.v_up                          = PRVM_ED_FindGlobalOffset("v_up");
1719         prog->globaloffsets.view_angles                   = PRVM_ED_FindGlobalOffset("view_angles");
1720         prog->globaloffsets.worldstatus                   = PRVM_ED_FindGlobalOffset("worldstatus");
1721
1722         // menu qc only uses some functions, nothing else
1723         prog->funcoffsets.m_draw                          = PRVM_ED_FindFunctionOffset("m_draw");
1724         prog->funcoffsets.m_init                          = PRVM_ED_FindFunctionOffset("m_init");
1725         prog->funcoffsets.m_keydown                       = PRVM_ED_FindFunctionOffset("m_keydown");
1726         prog->funcoffsets.m_keyup                         = PRVM_ED_FindFunctionOffset("m_keyup");
1727         prog->funcoffsets.m_shutdown                      = PRVM_ED_FindFunctionOffset("m_shutdown");
1728         prog->funcoffsets.m_toggle                        = PRVM_ED_FindFunctionOffset("m_toggle");
1729 }
1730
1731 // not used
1732 /*
1733 typedef struct dpfield_s
1734 {
1735         int type;
1736         char *string;
1737 }
1738 dpfield_t;
1739
1740 #define DPFIELDS (sizeof(dpfields) / sizeof(dpfield_t))
1741
1742 dpfield_t dpfields[] =
1743 {
1744 };
1745 */
1746
1747 /*
1748 ===============
1749 PRVM_ResetProg
1750 ===============
1751 */
1752
1753 void PRVM_LeakTest(void);
1754 void PRVM_ResetProg(void)
1755 {
1756         PRVM_LeakTest();
1757         PRVM_GCALL(reset_cmd)();
1758         Mem_FreePool(&prog->progs_mempool);
1759         memset(prog,0,sizeof(prvm_prog_t));
1760         prog->starttime = Sys_DoubleTime();
1761 }
1762
1763 /*
1764 ===============
1765 PRVM_LoadLNO
1766 ===============
1767 */
1768 void PRVM_LoadLNO( const char *progname ) {
1769         fs_offset_t filesize;
1770         unsigned char *lno;
1771         unsigned int *header;
1772         char filename[512];
1773
1774         FS_StripExtension( progname, filename, sizeof( filename ) );
1775         strlcat( filename, ".lno", sizeof( filename ) );
1776
1777         lno = FS_LoadFile( filename, tempmempool, false, &filesize );
1778         if( !lno ) {
1779                 return;
1780         }
1781
1782 /*
1783 <Spike>    SafeWrite (h, &lnotype, sizeof(int));
1784 <Spike>    SafeWrite (h, &version, sizeof(int));
1785 <Spike>    SafeWrite (h, &numglobaldefs, sizeof(int));
1786 <Spike>    SafeWrite (h, &numpr_globals, sizeof(int));
1787 <Spike>    SafeWrite (h, &numfielddefs, sizeof(int));
1788 <Spike>    SafeWrite (h, &numstatements, sizeof(int));
1789 <Spike>    SafeWrite (h, statement_linenums, numstatements*sizeof(int));
1790 */
1791         if( (unsigned) filesize < (6 + prog->progs->numstatements) * sizeof( int ) ) {
1792                 Mem_Free(lno);
1793                 return;
1794         }
1795
1796         header = (unsigned int *) lno;
1797         if( header[ 0 ] == *(unsigned int *) "LNOF" &&
1798                 LittleLong( header[ 1 ] ) == 1 &&
1799                 (unsigned int)LittleLong( header[ 2 ] ) == (unsigned int)prog->progs->numglobaldefs &&
1800                 (unsigned int)LittleLong( header[ 3 ] ) == (unsigned int)prog->progs->numglobals &&
1801                 (unsigned int)LittleLong( header[ 4 ] ) == (unsigned int)prog->progs->numfielddefs &&
1802                 (unsigned int)LittleLong( header[ 5 ] ) == (unsigned int)prog->progs->numstatements )
1803         {
1804                 prog->statement_linenums = (int *)Mem_Alloc(prog->progs_mempool, prog->progs->numstatements * sizeof( int ) );
1805                 memcpy( prog->statement_linenums, (int *) lno + 6, prog->progs->numstatements * sizeof( int ) );
1806         }
1807         Mem_Free( lno );
1808 }
1809
1810 /*
1811 ===============
1812 PRVM_LoadProgs
1813 ===============
1814 */
1815 void PRVM_LoadProgs (const char * filename, int numrequiredfunc, char **required_func, int numrequiredfields, prvm_required_field_t *required_field, int numrequiredglobals, char **required_global)
1816 {
1817         int i;
1818         dstatement_t *st;
1819         ddef_t *infielddefs;
1820         dfunction_t *dfunctions;
1821         fs_offset_t filesize;
1822
1823         if( prog->loaded ) {
1824                 PRVM_ERROR ("PRVM_LoadProgs: there is already a %s program loaded!", PRVM_NAME );
1825         }
1826
1827         prog->progs = (dprograms_t *)FS_LoadFile (filename, prog->progs_mempool, false, &filesize);
1828         if (prog->progs == NULL || filesize < (fs_offset_t)sizeof(dprograms_t))
1829                 PRVM_ERROR ("PRVM_LoadProgs: couldn't load %s for %s", filename, PRVM_NAME);
1830         // TODO bounds check header fields (e.g. numstatements), they must never go behind end of file
1831
1832         Con_DPrintf("%s programs occupy %iK.\n", PRVM_NAME, (int)(filesize/1024));
1833
1834         prog->filecrc = CRC_Block((unsigned char *)prog->progs, filesize);
1835
1836 // byte swap the header
1837         for (i = 0;i < (int) sizeof(*prog->progs) / 4;i++)
1838                 ((int *)prog->progs)[i] = LittleLong ( ((int *)prog->progs)[i] );
1839
1840         if (prog->progs->version != PROG_VERSION)
1841                 PRVM_ERROR ("%s: %s has wrong version number (%i should be %i)", PRVM_NAME, filename, prog->progs->version, PROG_VERSION);
1842         if (prog->progs->crc != prog->headercrc && prog->progs->crc != prog->headercrc2)
1843                 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);
1844
1845         //prog->functions = (dfunction_t *)((unsigned char *)progs + progs->ofs_functions);
1846         dfunctions = (dfunction_t *)((unsigned char *)prog->progs + prog->progs->ofs_functions);
1847
1848         if (prog->progs->ofs_strings + prog->progs->numstrings >= (int)filesize)
1849                 PRVM_ERROR ("%s: %s strings go past end of file", PRVM_NAME, filename);
1850         prog->strings = (char *)prog->progs + prog->progs->ofs_strings;
1851         prog->stringssize = prog->progs->numstrings;
1852
1853         prog->numknownstrings = 0;
1854         prog->maxknownstrings = 0;
1855         prog->knownstrings = NULL;
1856         prog->knownstrings_freeable = NULL;
1857
1858         Mem_ExpandableArray_NewArray(&prog->stringbuffersarray, prog->progs_mempool, sizeof(prvm_stringbuffer_t), 64);
1859
1860         prog->globaldefs = (ddef_t *)((unsigned char *)prog->progs + prog->progs->ofs_globaldefs);
1861
1862         // we need to expand the fielddefs list to include all the engine fields,
1863         // so allocate a new place for it
1864         infielddefs = (ddef_t *)((unsigned char *)prog->progs + prog->progs->ofs_fielddefs);
1865         //                                                                                              ( + DPFIELDS                       )
1866         prog->fielddefs = (ddef_t *)Mem_Alloc(prog->progs_mempool, (prog->progs->numfielddefs + numrequiredfields) * sizeof(ddef_t));
1867
1868         prog->statements = (dstatement_t *)((unsigned char *)prog->progs + prog->progs->ofs_statements);
1869
1870         prog->statement_profile = (double *)Mem_Alloc(prog->progs_mempool, prog->progs->numstatements * sizeof(*prog->statement_profile));
1871
1872         // moved edict_size calculation down below field adding code
1873
1874         //pr_global_struct = (globalvars_t *)((unsigned char *)progs + progs->ofs_globals);
1875         prog->globals.generic = (float *)((unsigned char *)prog->progs + prog->progs->ofs_globals);
1876
1877 // byte swap the lumps
1878         for (i=0 ; i<prog->progs->numstatements ; i++)
1879         {
1880                 prog->statements[i].op = LittleShort(prog->statements[i].op);
1881                 prog->statements[i].a = LittleShort(prog->statements[i].a);
1882                 prog->statements[i].b = LittleShort(prog->statements[i].b);
1883                 prog->statements[i].c = LittleShort(prog->statements[i].c);
1884         }
1885
1886         prog->functions = (mfunction_t *)Mem_Alloc(prog->progs_mempool, sizeof(mfunction_t) * prog->progs->numfunctions);
1887         for (i = 0;i < prog->progs->numfunctions;i++)
1888         {
1889                 prog->functions[i].first_statement = LittleLong (dfunctions[i].first_statement);
1890                 prog->functions[i].parm_start = LittleLong (dfunctions[i].parm_start);
1891                 prog->functions[i].s_name = LittleLong (dfunctions[i].s_name);
1892                 prog->functions[i].s_file = LittleLong (dfunctions[i].s_file);
1893                 prog->functions[i].numparms = LittleLong (dfunctions[i].numparms);
1894                 prog->functions[i].locals = LittleLong (dfunctions[i].locals);
1895                 memcpy(prog->functions[i].parm_size, dfunctions[i].parm_size, sizeof(dfunctions[i].parm_size));
1896                 if(prog->functions[i].first_statement >= prog->progs->numstatements)
1897                         PRVM_ERROR("PRVM_LoadProgs: out of bounds function statement (function %d) in %s", i, PRVM_NAME);
1898                 // TODO bounds check parm_start, s_name, s_file, numparms, locals, parm_size
1899         }
1900
1901         for (i=0 ; i<prog->progs->numglobaldefs ; i++)
1902         {
1903                 prog->globaldefs[i].type = LittleShort (prog->globaldefs[i].type);
1904                 prog->globaldefs[i].ofs = LittleShort (prog->globaldefs[i].ofs);
1905                 prog->globaldefs[i].s_name = LittleLong (prog->globaldefs[i].s_name);
1906                 // TODO bounds check ofs, s_name
1907         }
1908
1909         // copy the progs fields to the new fields list
1910         for (i = 0;i < prog->progs->numfielddefs;i++)
1911         {
1912                 prog->fielddefs[i].type = LittleShort (infielddefs[i].type);
1913                 if (prog->fielddefs[i].type & DEF_SAVEGLOBAL)
1914                         PRVM_ERROR ("PRVM_LoadProgs: prog->fielddefs[i].type & DEF_SAVEGLOBAL in %s", PRVM_NAME);
1915                 prog->fielddefs[i].ofs = LittleShort (infielddefs[i].ofs);
1916                 prog->fielddefs[i].s_name = LittleLong (infielddefs[i].s_name);
1917                 // TODO bounds check ofs, s_name
1918         }
1919
1920         // append the required fields
1921         for (i = 0;i < (int) numrequiredfields;i++)
1922         {
1923                 prog->fielddefs[prog->progs->numfielddefs].type = required_field[i].type;
1924                 prog->fielddefs[prog->progs->numfielddefs].ofs = prog->progs->entityfields;
1925                 prog->fielddefs[prog->progs->numfielddefs].s_name = PRVM_SetEngineString(required_field[i].name);
1926                 // TODO bounds check ofs, s_name
1927                 if (prog->fielddefs[prog->progs->numfielddefs].type == ev_vector)
1928                         prog->progs->entityfields += 3;
1929                 else
1930                         prog->progs->entityfields++;
1931                 prog->progs->numfielddefs++;
1932         }
1933
1934         // check required functions
1935         for(i=0 ; i < numrequiredfunc ; i++)
1936                 if(PRVM_ED_FindFunction(required_func[i]) == 0)
1937                         PRVM_ERROR("%s: %s not found in %s",PRVM_NAME, required_func[i], filename);
1938
1939         // check required globals
1940         for(i=0 ; i < numrequiredglobals ; i++)
1941                 if(PRVM_ED_FindGlobal(required_global[i]) == 0)
1942                         PRVM_ERROR("%s: %s not found in %s",PRVM_NAME, required_global[i], filename);
1943
1944         for (i=0 ; i<prog->progs->numglobals ; i++)
1945                 ((int *)prog->globals.generic)[i] = LittleLong (((int *)prog->globals.generic)[i]);
1946
1947         // moved edict_size calculation down here, below field adding code
1948         // LordHavoc: this no longer includes the prvm_edict_t header
1949         prog->edict_size = prog->progs->entityfields * 4;
1950         prog->edictareasize = prog->edict_size * prog->limit_edicts;
1951
1952         // LordHavoc: bounds check anything static
1953         for (i = 0,st = prog->statements;i < prog->progs->numstatements;i++,st++)
1954         {
1955                 switch (st->op)
1956                 {
1957                 case OP_IF:
1958                 case OP_IFNOT:
1959                         if ((unsigned short) st->a >= prog->progs->numglobals || st->b + i < 0 || st->b + i >= prog->progs->numstatements)
1960                                 PRVM_ERROR("PRVM_LoadProgs: out of bounds IF/IFNOT (statement %d) in %s", i, PRVM_NAME);
1961                         break;
1962                 case OP_GOTO:
1963                         if (st->a + i < 0 || st->a + i >= prog->progs->numstatements)
1964                                 PRVM_ERROR("PRVM_LoadProgs: out of bounds GOTO (statement %d) in %s", i, PRVM_NAME);
1965                         break;
1966                 // global global global
1967                 case OP_ADD_F:
1968                 case OP_ADD_V:
1969                 case OP_SUB_F:
1970                 case OP_SUB_V:
1971                 case OP_MUL_F:
1972                 case OP_MUL_V:
1973                 case OP_MUL_FV:
1974                 case OP_MUL_VF:
1975                 case OP_DIV_F:
1976                 case OP_BITAND:
1977                 case OP_BITOR:
1978                 case OP_GE:
1979                 case OP_LE:
1980                 case OP_GT:
1981                 case OP_LT:
1982                 case OP_AND:
1983                 case OP_OR:
1984                 case OP_EQ_F:
1985                 case OP_EQ_V:
1986                 case OP_EQ_S:
1987                 case OP_EQ_E:
1988                 case OP_EQ_FNC:
1989                 case OP_NE_F:
1990                 case OP_NE_V:
1991                 case OP_NE_S:
1992                 case OP_NE_E:
1993                 case OP_NE_FNC:
1994                 case OP_ADDRESS:
1995                 case OP_LOAD_F:
1996                 case OP_LOAD_FLD:
1997                 case OP_LOAD_ENT:
1998                 case OP_LOAD_S:
1999                 case OP_LOAD_FNC:
2000                 case OP_LOAD_V:
2001                         if ((unsigned short) st->a >= prog->progs->numglobals || (unsigned short) st->b >= prog->progs->numglobals || (unsigned short) st->c >= prog->progs->numglobals)
2002                                 PRVM_ERROR("PRVM_LoadProgs: out of bounds global index (statement %d)", i);
2003                         break;
2004                 // global none global
2005                 case OP_NOT_F:
2006                 case OP_NOT_V:
2007                 case OP_NOT_S:
2008                 case OP_NOT_FNC:
2009                 case OP_NOT_ENT:
2010                         if ((unsigned short) st->a >= prog->progs->numglobals || (unsigned short) st->c >= prog->progs->numglobals)
2011                                 PRVM_ERROR("PRVM_LoadProgs: out of bounds global index (statement %d) in %s", i, PRVM_NAME);
2012                         break;
2013                 // 2 globals
2014                 case OP_STOREP_F:
2015                 case OP_STOREP_ENT:
2016                 case OP_STOREP_FLD:
2017                 case OP_STOREP_S:
2018                 case OP_STOREP_FNC:
2019                 case OP_STORE_F:
2020                 case OP_STORE_ENT:
2021                 case OP_STORE_FLD:
2022                 case OP_STORE_S:
2023                 case OP_STORE_FNC:
2024                 case OP_STATE:
2025                 case OP_STOREP_V:
2026                 case OP_STORE_V:
2027                         if ((unsigned short) st->a >= prog->progs->numglobals || (unsigned short) st->b >= prog->progs->numglobals)
2028                                 PRVM_ERROR("PRVM_LoadProgs: out of bounds global index (statement %d) in %s", i, PRVM_NAME);
2029                         break;
2030                 // 1 global
2031                 case OP_CALL0:
2032                 case OP_CALL1:
2033                 case OP_CALL2:
2034                 case OP_CALL3:
2035                 case OP_CALL4:
2036                 case OP_CALL5:
2037                 case OP_CALL6:
2038                 case OP_CALL7:
2039                 case OP_CALL8:
2040                 case OP_DONE:
2041                 case OP_RETURN:
2042                         if ((unsigned short) st->a >= prog->progs->numglobals)
2043                                 PRVM_ERROR("PRVM_LoadProgs: out of bounds global index (statement %d) in %s", i, PRVM_NAME);
2044                         break;
2045                 default:
2046                         Con_DPrintf("PRVM_LoadProgs: unknown opcode %d at statement %d in %s\n", st->op, i, PRVM_NAME);
2047                         break;
2048                 }
2049         }
2050         if(prog->progs->numstatements < 1)
2051         {
2052                 PRVM_ERROR("PRVM_LoadProgs: empty program in %s", PRVM_NAME);
2053         }
2054         else switch(prog->statements[prog->progs->numstatements - 1].op)
2055         {
2056                 case OP_RETURN:
2057                 case OP_GOTO:
2058                 case OP_DONE:
2059                         break;
2060                 default:
2061                         PRVM_ERROR("PRVM_LoadProgs: program may fall off the edge (does not end with RETURN, GOTO or DONE) in %s", PRVM_NAME);
2062                         break;
2063         }
2064
2065         PRVM_LoadLNO(filename);
2066
2067         PRVM_Init_Exec();
2068
2069         prog->loaded = TRUE;
2070
2071         // set flags & ddef_ts in prog
2072
2073         prog->flag = 0;
2074
2075         PRVM_FindOffsets();
2076
2077         PRVM_GCALL(init_cmd)();
2078
2079         // init mempools
2080         PRVM_MEM_Alloc();
2081 }
2082
2083
2084 void PRVM_Fields_f (void)
2085 {
2086         int i, j, ednum, used, usedamount;
2087         int *counts;
2088         char tempstring[MAX_INPUTLINE], tempstring2[260];
2089         const char *name;
2090         prvm_edict_t *ed;
2091         ddef_t *d;
2092         int *v;
2093
2094         // TODO
2095         /*
2096         if (!sv.active)
2097         {
2098                 Con_Print("no progs loaded\n");
2099                 return;
2100         }
2101         */
2102
2103         if(Cmd_Argc() != 2)
2104         {
2105                 Con_Print("prvm_fields <program name>\n");
2106                 return;
2107         }
2108
2109         PRVM_Begin;
2110         if(!PRVM_SetProgFromString(Cmd_Argv(1)))
2111                 return;
2112
2113         counts = (int *)Mem_Alloc(tempmempool, prog->progs->numfielddefs * sizeof(int));
2114         for (ednum = 0;ednum < prog->max_edicts;ednum++)
2115         {
2116                 ed = PRVM_EDICT_NUM(ednum);
2117                 if (ed->priv.required->free)
2118                         continue;
2119                 for (i = 1;i < prog->progs->numfielddefs;i++)
2120                 {
2121                         d = &prog->fielddefs[i];
2122                         name = PRVM_GetString(d->s_name);
2123                         if (name[strlen(name)-2] == '_')
2124                                 continue;       // skip _x, _y, _z vars
2125                         v = (int *)((char *)ed->fields.vp + d->ofs*4);
2126                         // if the value is still all 0, skip the field
2127                         for (j = 0;j < prvm_type_size[d->type & ~DEF_SAVEGLOBAL];j++)
2128                         {
2129                                 if (v[j])
2130                                 {
2131                                         counts[i]++;
2132                                         break;
2133                                 }
2134                         }
2135                 }
2136         }
2137         used = 0;
2138         usedamount = 0;
2139         tempstring[0] = 0;
2140         for (i = 0;i < prog->progs->numfielddefs;i++)
2141         {
2142                 d = &prog->fielddefs[i];
2143                 name = PRVM_GetString(d->s_name);
2144                 if (name[strlen(name)-2] == '_')
2145                         continue;       // skip _x, _y, _z vars
2146                 switch(d->type & ~DEF_SAVEGLOBAL)
2147                 {
2148                 case ev_string:
2149                         strlcat(tempstring, "string   ", sizeof(tempstring));
2150                         break;
2151                 case ev_entity:
2152                         strlcat(tempstring, "entity   ", sizeof(tempstring));
2153                         break;
2154                 case ev_function:
2155                         strlcat(tempstring, "function ", sizeof(tempstring));
2156                         break;
2157                 case ev_field:
2158                         strlcat(tempstring, "field    ", sizeof(tempstring));
2159                         break;
2160                 case ev_void:
2161                         strlcat(tempstring, "void     ", sizeof(tempstring));
2162                         break;
2163                 case ev_float:
2164                         strlcat(tempstring, "float    ", sizeof(tempstring));
2165                         break;
2166                 case ev_vector:
2167                         strlcat(tempstring, "vector   ", sizeof(tempstring));
2168                         break;
2169                 case ev_pointer:
2170                         strlcat(tempstring, "pointer  ", sizeof(tempstring));
2171                         break;
2172                 default:
2173                         dpsnprintf (tempstring2, sizeof(tempstring2), "bad type %i ", d->type & ~DEF_SAVEGLOBAL);
2174                         strlcat(tempstring, tempstring2, sizeof(tempstring));
2175                         break;
2176                 }
2177                 if (strlen(name) > sizeof(tempstring2)-4)
2178                 {
2179                         memcpy (tempstring2, name, sizeof(tempstring2)-4);
2180                         tempstring2[sizeof(tempstring2)-4] = tempstring2[sizeof(tempstring2)-3] = tempstring2[sizeof(tempstring2)-2] = '.';
2181                         tempstring2[sizeof(tempstring2)-1] = 0;
2182                         name = tempstring2;
2183                 }
2184                 strlcat(tempstring, name, sizeof(tempstring));
2185                 for (j = (int)strlen(name);j < 25;j++)
2186                         strlcat(tempstring, " ", sizeof(tempstring));
2187                 dpsnprintf(tempstring2, sizeof(tempstring2), "%5d", counts[i]);
2188                 strlcat(tempstring, tempstring2, sizeof(tempstring));
2189                 strlcat(tempstring, "\n", sizeof(tempstring));
2190                 if (strlen(tempstring) >= sizeof(tempstring)/2)
2191                 {
2192                         Con_Print(tempstring);
2193                         tempstring[0] = 0;
2194                 }
2195                 if (counts[i])
2196                 {
2197                         used++;
2198                         usedamount += prvm_type_size[d->type & ~DEF_SAVEGLOBAL];
2199                 }
2200         }
2201         Mem_Free(counts);
2202         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);
2203
2204         PRVM_End;
2205 }
2206
2207 void PRVM_Globals_f (void)
2208 {
2209         int i;
2210         const char *wildcard;
2211         int numculled;
2212                 numculled = 0;
2213         // TODO
2214         /*if (!sv.active)
2215         {
2216                 Con_Print("no progs loaded\n");
2217                 return;
2218         }*/
2219         if(Cmd_Argc () < 2 || Cmd_Argc() > 3)
2220         {
2221                 Con_Print("prvm_globals <program name> <optional name wildcard>\n");
2222                 return;
2223         }
2224
2225         PRVM_Begin;
2226         if(!PRVM_SetProgFromString (Cmd_Argv (1)))
2227                 return;
2228
2229         if( Cmd_Argc() == 3)
2230                 wildcard = Cmd_Argv(2);
2231         else
2232                 wildcard = NULL;
2233
2234         Con_Printf("%s :", PRVM_NAME);
2235
2236         for (i = 0;i < prog->progs->numglobaldefs;i++)
2237         {
2238                 if(wildcard)
2239                         if( !matchpattern( PRVM_GetString(prog->globaldefs[i].s_name), wildcard, 1) )
2240                         {
2241                                 numculled++;
2242                                 continue;
2243                         }
2244                 Con_Printf("%s\n", PRVM_GetString(prog->globaldefs[i].s_name));
2245         }
2246         Con_Printf("%i global variables, %i culled, totalling %i bytes\n", prog->progs->numglobals, numculled, prog->progs->numglobals * 4);
2247
2248         PRVM_End;
2249 }
2250
2251 /*
2252 ===============
2253 PRVM_Global
2254 ===============
2255 */
2256 void PRVM_Global_f(void)
2257 {
2258         ddef_t *global;
2259         if( Cmd_Argc() != 3 ) {
2260                 Con_Printf( "prvm_global <program name> <global name>\n" );
2261                 return;
2262         }
2263
2264         PRVM_Begin;
2265         if( !PRVM_SetProgFromString( Cmd_Argv(1) ) )
2266                 return;
2267
2268         global = PRVM_ED_FindGlobal( Cmd_Argv(2) );
2269         if( !global )
2270                 Con_Printf( "No global '%s' in %s!\n", Cmd_Argv(2), Cmd_Argv(1) );
2271         else
2272                 Con_Printf( "%s: %s\n", Cmd_Argv(2), PRVM_ValueString( (etype_t)global->type, (prvm_eval_t *) &prog->globals.generic[ global->ofs ] ) );
2273         PRVM_End;
2274 }
2275
2276 /*
2277 ===============
2278 PRVM_GlobalSet
2279 ===============
2280 */
2281 void PRVM_GlobalSet_f(void)
2282 {
2283         ddef_t *global;
2284         if( Cmd_Argc() != 4 ) {
2285                 Con_Printf( "prvm_globalset <program name> <global name> <value>\n" );
2286                 return;
2287         }
2288
2289         PRVM_Begin;
2290         if( !PRVM_SetProgFromString( Cmd_Argv(1) ) )
2291                 return;
2292
2293         global = PRVM_ED_FindGlobal( Cmd_Argv(2) );
2294         if( !global )
2295                 Con_Printf( "No global '%s' in %s!\n", Cmd_Argv(2), Cmd_Argv(1) );
2296         else
2297                 PRVM_ED_ParseEpair( NULL, global, Cmd_Argv(3), true );
2298         PRVM_End;
2299 }
2300
2301 /*
2302 ===============
2303 PRVM_Init
2304 ===============
2305 */
2306 void PRVM_Init (void)
2307 {
2308         Cmd_AddCommand ("prvm_edict", PRVM_ED_PrintEdict_f, "print all data about an entity number in the selected VM (server, client, menu)");
2309         Cmd_AddCommand ("prvm_edicts", PRVM_ED_PrintEdicts_f, "prints all data about all entities in the selected VM (server, client, menu)");
2310         Cmd_AddCommand ("prvm_edictcount", PRVM_ED_Count_f, "prints number of active entities in the selected VM (server, client, menu)");
2311         Cmd_AddCommand ("prvm_profile", PRVM_Profile_f, "prints execution statistics about the most used QuakeC functions in the selected VM (server, client, menu)");
2312         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");
2313         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)");
2314         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)");
2315         Cmd_AddCommand ("prvm_globals", PRVM_Globals_f, "prints all global variables in the selected VM (server, client, menu)");
2316         Cmd_AddCommand ("prvm_global", PRVM_Global_f, "prints value of a specified global variable in the selected VM (server, client, menu)");
2317         Cmd_AddCommand ("prvm_globalset", PRVM_GlobalSet_f, "sets value of a specified global variable in the selected VM (server, client, menu)");
2318         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)");
2319         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");
2320         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");
2321         Cmd_AddCommand ("prvm_printfunction", PRVM_PrintFunction_f, "prints a disassembly (QuakeC instructions) of the specified function in the selected VM (server, client, menu)");
2322         Cmd_AddCommand ("cl_cmd", PRVM_GameCommand_Client_f, "calls the client QC function GameCommand with the supplied string as argument");
2323         Cmd_AddCommand ("menu_cmd", PRVM_GameCommand_Menu_f, "calls the menu QC function GameCommand with the supplied string as argument");
2324         Cmd_AddCommand ("sv_cmd", PRVM_GameCommand_Server_f, "calls the server QC function GameCommand with the supplied string as argument");
2325
2326         // COMMANDLINEOPTION: PRVM: -noboundscheck disables the bounds checks (security hole if CSQC is in use!)
2327         prvm_boundscheck = !COM_CheckParm("-noboundscheck");
2328
2329         Cvar_RegisterVariable (&prvm_traceqc);
2330         Cvar_RegisterVariable (&prvm_statementprofiling);
2331         Cvar_RegisterVariable (&prvm_backtraceforwarnings);
2332         Cvar_RegisterVariable (&prvm_leaktest);
2333         Cvar_RegisterVariable (&prvm_leaktest_ignore_classnames);
2334         Cvar_RegisterVariable (&prvm_errordump);
2335         Cvar_RegisterVariable (&prvm_reuseedicts_startuptime);
2336         Cvar_RegisterVariable (&prvm_reuseedicts_neverinsameframe);
2337
2338         // COMMANDLINEOPTION: PRVM: -norunaway disables the runaway loop check (it might be impossible to exit DarkPlaces if used!)
2339         prvm_runawaycheck = !COM_CheckParm("-norunaway");
2340
2341         //VM_Cmd_Init();
2342 }
2343
2344 /*
2345 ===============
2346 PRVM_InitProg
2347 ===============
2348 */
2349 void PRVM_InitProg(int prognr)
2350 {
2351         if(prognr < 0 || prognr >= PRVM_MAXPROGS)
2352                 Sys_Error("PRVM_InitProg: Invalid program number %i",prognr);
2353
2354         prog = &prog_list[prognr];
2355
2356         if(prog->loaded)
2357                 PRVM_ResetProg();
2358
2359         memset(prog, 0, sizeof(prvm_prog_t));
2360         prog->starttime = Sys_DoubleTime();
2361
2362         prog->error_cmd = Host_Error;
2363         prog->leaktest_active = prvm_leaktest.integer != 0;
2364 }
2365
2366 int PRVM_GetProgNr(void)
2367 {
2368         return prog - prog_list;
2369 }
2370
2371 void *_PRVM_Alloc(size_t buffersize, const char *filename, int fileline)
2372 {
2373         return _Mem_Alloc(prog->progs_mempool, buffersize, filename, fileline);
2374 }
2375
2376 void _PRVM_Free(void *buffer, const char *filename, int fileline)
2377 {
2378         _Mem_Free(buffer, filename, fileline);
2379 }
2380
2381 void _PRVM_FreeAll(const char *filename, int fileline)
2382 {
2383         prog->progs = NULL;
2384         prog->fielddefs = NULL;
2385         prog->functions = NULL;
2386         _Mem_EmptyPool(prog->progs_mempool, filename, fileline);
2387 }
2388
2389 // LordHavoc: turned PRVM_EDICT_NUM into a #define for speed reasons
2390 unsigned int PRVM_EDICT_NUM_ERROR(unsigned int n, char *filename, int fileline)
2391 {
2392         PRVM_ERROR ("PRVM_EDICT_NUM: %s: bad number %i (called at %s:%i)", PRVM_NAME, n, filename, fileline);
2393         return 0;
2394 }
2395
2396 /*
2397 int NUM_FOR_EDICT_ERROR(prvm_edict_t *e)
2398 {
2399         PRVM_ERROR ("PRVM_NUM_FOR_EDICT: bad pointer %p (world is %p, entity number would be %i)", e, prog->edicts, e - prog->edicts);
2400         return 0;
2401 }
2402
2403 int PRVM_NUM_FOR_EDICT(prvm_edict_t *e)
2404 {
2405         int n;
2406         n = e - prog->edicts;
2407         if ((unsigned int)n >= prog->limit_edicts)
2408                 Host_Error ("PRVM_NUM_FOR_EDICT: bad pointer");
2409         return n;
2410 }
2411
2412 //int NoCrash_NUM_FOR_EDICT(prvm_edict_t *e)
2413 //{
2414 //      return e - prog->edicts;
2415 //}
2416
2417 //#define       PRVM_EDICT_TO_PROG(e) ((unsigned char *)(((prvm_edict_t *)e)->v) - (unsigned char *)(prog->edictsfields))
2418 //#define PRVM_PROG_TO_EDICT(e) (prog->edicts + ((e) / (progs->entityfields * 4)))
2419 int PRVM_EDICT_TO_PROG(prvm_edict_t *e)
2420 {
2421         int n;
2422         n = e - prog->edicts;
2423         if ((unsigned int)n >= (unsigned int)prog->max_edicts)
2424                 Host_Error("PRVM_EDICT_TO_PROG: invalid edict %8p (number %i compared to world at %8p)", e, n, prog->edicts);
2425         return n;// EXPERIMENTAL
2426         //return (unsigned char *)e->v - (unsigned char *)prog->edictsfields;
2427 }
2428 prvm_edict_t *PRVM_PROG_TO_EDICT(int n)
2429 {
2430         if ((unsigned int)n >= (unsigned int)prog->max_edicts)
2431                 Host_Error("PRVM_PROG_TO_EDICT: invalid edict number %i", n);
2432         return prog->edicts + n; // EXPERIMENTAL
2433         //return prog->edicts + ((n) / (progs->entityfields * 4));
2434 }
2435 */
2436
2437
2438 sizebuf_t vm_tempstringsbuf;
2439
2440 const char *PRVM_GetString(int num)
2441 {
2442         if (num >= 0)
2443         {
2444                 if (num < prog->stringssize)
2445                         return prog->strings + num;
2446                 else
2447 #if 1
2448                 if (num <= prog->stringssize + vm_tempstringsbuf.maxsize)
2449                 {
2450                         num -= prog->stringssize;
2451                         if (num < vm_tempstringsbuf.cursize)
2452                                 return (char *)vm_tempstringsbuf.data + num;
2453                         else
2454                         {
2455                                 VM_Warning("PRVM_GetString: Invalid temp-string offset (%i >= %i vm_tempstringsbuf.cursize)\n", num, vm_tempstringsbuf.cursize);
2456                                 return "";
2457                         }
2458                 }
2459                 else
2460 #endif
2461                 {
2462                         VM_Warning("PRVM_GetString: Invalid constant-string offset (%i >= %i prog->stringssize)\n", num, prog->stringssize);
2463                         return "";
2464                 }
2465         }
2466         else
2467         {
2468                 num = -1 - num;
2469 #if 0
2470                 if (num >= (1<<30))
2471                 {
2472                         // special range reserved for tempstrings
2473                         num -= (1<<30);
2474                         if (num < vm_tempstringsbuf.cursize)
2475                                 return (char *)vm_tempstringsbuf.data + num;
2476                         else
2477                         {
2478                                 VM_Warning("PRVM_GetString: Invalid temp-string offset (%i >= %i vm_tempstringsbuf.cursize)\n", num, vm_tempstringsbuf.cursize);
2479                                 return "";
2480                         }
2481                 }
2482                 else
2483 #endif
2484                 if (num < prog->numknownstrings)
2485                 {
2486                         if (!prog->knownstrings[num])
2487                         {
2488                                 VM_Warning("PRVM_GetString: Invalid zone-string offset (%i has been freed)\n", num);
2489                                 return "";
2490                         }
2491                         return prog->knownstrings[num];
2492                 }
2493                 else
2494                 {
2495                         VM_Warning("PRVM_GetString: Invalid zone-string offset (%i >= %i)\n", num, prog->numknownstrings);
2496                         return "";
2497                 }
2498         }
2499 }
2500
2501 int PRVM_SetEngineString(const char *s)
2502 {
2503         int i;
2504         if (!s)
2505                 return 0;
2506         if (s >= prog->strings && s <= prog->strings + prog->stringssize)
2507                 PRVM_ERROR("PRVM_SetEngineString: s in prog->strings area");
2508         // if it's in the tempstrings area, use a reserved range
2509         // (otherwise we'd get millions of useless string offsets cluttering the database)
2510         if (s >= (char *)vm_tempstringsbuf.data && s < (char *)vm_tempstringsbuf.data + vm_tempstringsbuf.maxsize)
2511 #if 1
2512                 return prog->stringssize + (s - (char *)vm_tempstringsbuf.data);
2513 #else
2514                 return -1 - ((1<<30) + (s - (char *)vm_tempstringsbuf.data));
2515 #endif
2516         // see if it's a known string address
2517         for (i = 0;i < prog->numknownstrings;i++)
2518                 if (prog->knownstrings[i] == s)
2519                         return -1 - i;
2520         // new unknown engine string
2521         if (developer.integer >= 200)
2522                 Con_Printf("new engine string %p = \"%s\"\n", s, s);
2523         for (i = prog->firstfreeknownstring;i < prog->numknownstrings;i++)
2524                 if (!prog->knownstrings[i])
2525                         break;
2526         if (i >= prog->numknownstrings)
2527         {
2528                 if (i >= prog->maxknownstrings)
2529                 {
2530                         const char **oldstrings = prog->knownstrings;
2531                         const unsigned char *oldstrings_freeable = prog->knownstrings_freeable;
2532                         const char **oldstrings_origin = prog->knownstrings_origin;
2533                         prog->maxknownstrings += 128;
2534                         prog->knownstrings = (const char **)PRVM_Alloc(prog->maxknownstrings * sizeof(char *));
2535                         prog->knownstrings_freeable = (unsigned char *)PRVM_Alloc(prog->maxknownstrings * sizeof(unsigned char));
2536                         if(prog->leaktest_active)
2537                                 prog->knownstrings_origin = (const char **)PRVM_Alloc(prog->maxknownstrings * sizeof(char *));
2538                         if (prog->numknownstrings)
2539                         {
2540                                 memcpy((char **)prog->knownstrings, oldstrings, prog->numknownstrings * sizeof(char *));
2541                                 memcpy((char **)prog->knownstrings_freeable, oldstrings_freeable, prog->numknownstrings * sizeof(unsigned char));
2542                                 if(prog->leaktest_active)
2543                                         memcpy((char **)prog->knownstrings_origin, oldstrings_origin, prog->numknownstrings * sizeof(char *));
2544                         }
2545                 }
2546                 prog->numknownstrings++;
2547         }
2548         prog->firstfreeknownstring = i + 1;
2549         prog->knownstrings[i] = s;
2550         prog->knownstrings_freeable[i] = false;
2551         if(prog->leaktest_active)
2552                 prog->knownstrings_origin[i] = NULL;
2553         return -1 - i;
2554 }
2555
2556 // temp string handling
2557
2558 // all tempstrings go into this buffer consecutively, and it is reset
2559 // whenever PRVM_ExecuteProgram returns to the engine
2560 // (technically each PRVM_ExecuteProgram call saves the cursize value and
2561 //  restores it on return, so multiple recursive calls can share the same
2562 //  buffer)
2563 // the buffer size is automatically grown as needed
2564
2565 int PRVM_SetTempString(const char *s)
2566 {
2567         int size;
2568         char *t;
2569         if (!s)
2570                 return 0;
2571         size = (int)strlen(s) + 1;
2572         if (developer.integer >= 300)
2573                 Con_Printf("PRVM_SetTempString: cursize %i, size %i\n", vm_tempstringsbuf.cursize, size);
2574         if (vm_tempstringsbuf.maxsize < vm_tempstringsbuf.cursize + size)
2575         {
2576                 sizebuf_t old = vm_tempstringsbuf;
2577                 if (vm_tempstringsbuf.cursize + size >= 1<<28)
2578                         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);
2579                 vm_tempstringsbuf.maxsize = max(vm_tempstringsbuf.maxsize, 65536);
2580                 while (vm_tempstringsbuf.maxsize < vm_tempstringsbuf.cursize + size)
2581                         vm_tempstringsbuf.maxsize *= 2;
2582                 if (vm_tempstringsbuf.maxsize != old.maxsize || vm_tempstringsbuf.data == NULL)
2583                 {
2584                         if (developer.integer >= 100)
2585                                 Con_Printf("PRVM_SetTempString: enlarging tempstrings buffer (%iKB -> %iKB)\n", old.maxsize/1024, vm_tempstringsbuf.maxsize/1024);
2586                         vm_tempstringsbuf.data = (unsigned char *) Mem_Alloc(sv_mempool, vm_tempstringsbuf.maxsize);
2587                         if (old.cursize)
2588                                 memcpy(vm_tempstringsbuf.data, old.data, old.cursize);
2589                         if (old.data)
2590                                 Mem_Free(old.data);
2591                 }
2592         }
2593         t = (char *)vm_tempstringsbuf.data + vm_tempstringsbuf.cursize;
2594         memcpy(t, s, size);
2595         vm_tempstringsbuf.cursize += size;
2596         return PRVM_SetEngineString(t);
2597 }
2598
2599 int PRVM_AllocString(size_t bufferlength, char **pointer)
2600 {
2601         int i;
2602         if (!bufferlength)
2603                 return 0;
2604         for (i = prog->firstfreeknownstring;i < prog->numknownstrings;i++)
2605                 if (!prog->knownstrings[i])
2606                         break;
2607         if (i >= prog->numknownstrings)
2608         {
2609                 if (i >= prog->maxknownstrings)
2610                 {
2611                         const char **oldstrings = prog->knownstrings;
2612                         const unsigned char *oldstrings_freeable = prog->knownstrings_freeable;
2613                         const char **oldstrings_origin = prog->knownstrings_origin;
2614                         prog->maxknownstrings += 128;
2615                         prog->knownstrings = (const char **)PRVM_Alloc(prog->maxknownstrings * sizeof(char *));
2616                         prog->knownstrings_freeable = (unsigned char *)PRVM_Alloc(prog->maxknownstrings * sizeof(unsigned char));
2617                         if(prog->leaktest_active)
2618                                 prog->knownstrings_origin = (const char **)PRVM_Alloc(prog->maxknownstrings * sizeof(char *));
2619                         if (prog->numknownstrings)
2620                         {
2621                                 memcpy((char **)prog->knownstrings, oldstrings, prog->numknownstrings * sizeof(char *));
2622                                 memcpy((char **)prog->knownstrings_freeable, oldstrings_freeable, prog->numknownstrings * sizeof(unsigned char));
2623                                 if(prog->leaktest_active)
2624                                         memcpy((char **)prog->knownstrings_origin, oldstrings_origin, prog->numknownstrings * sizeof(char *));
2625                         }
2626                         // TODO why not Mem_Free the old ones?
2627                 }
2628                 prog->numknownstrings++;
2629         }
2630         prog->firstfreeknownstring = i + 1;
2631         prog->knownstrings[i] = (char *)PRVM_Alloc(bufferlength);
2632         prog->knownstrings_freeable[i] = true;
2633         if(prog->leaktest_active)
2634                 prog->knownstrings_origin[i] = PRVM_AllocationOrigin();
2635         if (pointer)
2636                 *pointer = (char *)(prog->knownstrings[i]);
2637         return -1 - i;
2638 }
2639
2640 void PRVM_FreeString(int num)
2641 {
2642         if (num == 0)
2643                 PRVM_ERROR("PRVM_FreeString: attempt to free a NULL string");
2644         else if (num >= 0 && num < prog->stringssize)
2645                 PRVM_ERROR("PRVM_FreeString: attempt to free a constant string");
2646         else if (num < 0 && num >= -prog->numknownstrings)
2647         {
2648                 num = -1 - num;
2649                 if (!prog->knownstrings[num])
2650                         PRVM_ERROR("PRVM_FreeString: attempt to free a non-existent or already freed string");
2651                 if (!prog->knownstrings_freeable[num])
2652                         PRVM_ERROR("PRVM_FreeString: attempt to free a string owned by the engine");
2653                 PRVM_Free((char *)prog->knownstrings[num]);
2654                 if(prog->leaktest_active)
2655                         if(prog->knownstrings_origin[num])
2656                                 PRVM_Free((char *)prog->knownstrings_origin[num]);
2657                 prog->knownstrings[num] = NULL;
2658                 prog->knownstrings_freeable[num] = false;
2659                 prog->firstfreeknownstring = min(prog->firstfreeknownstring, num);
2660         }
2661         else
2662                 PRVM_ERROR("PRVM_FreeString: invalid string offset %i", num);
2663 }
2664
2665 static qboolean PRVM_IsStringReferenced(string_t string)
2666 {
2667         int i, j;
2668
2669         for (i = 0;i < prog->progs->numglobaldefs;i++)
2670         {
2671                 ddef_t *d = &prog->globaldefs[i];
2672                 if((etype_t)((int) d->type & ~DEF_SAVEGLOBAL) != ev_string)
2673                         continue;
2674                 if(string == ((prvm_eval_t *) &prog->globals.generic[d->ofs])->string)
2675                         return true;
2676         }
2677
2678         for(j = 0; j < prog->num_edicts; ++j)
2679         {
2680                 prvm_edict_t *ed = PRVM_EDICT_NUM(j);
2681                 if (ed->priv.required->free)
2682                         continue;
2683                 for (i=0; i<prog->progs->numfielddefs; ++i)
2684                 {
2685                         ddef_t *d = &prog->fielddefs[i];
2686                         if((etype_t)((int) d->type & ~DEF_SAVEGLOBAL) != ev_string)
2687                                 continue;
2688                         if(string == ((prvm_eval_t *) &((float*)ed->fields.vp)[d->ofs])->string)
2689                                 return true;
2690                 }
2691         }
2692
2693         return false;
2694 }
2695
2696 static qboolean PRVM_IsEdictRelevant(prvm_edict_t *edict)
2697 {
2698         if(PRVM_NUM_FOR_EDICT(edict) <= prog->reserved_edicts)
2699                 return true; // world or clients
2700         switch(prog - prog_list)
2701         {
2702                 case PRVM_SERVERPROG:
2703                         {
2704                                 entvars_t *ev = edict->fields.server;
2705                                 if(ev->solid) // can block other stuff, or is a trigger?
2706                                         return true;
2707                                 if(ev->modelindex) // visible ent?
2708                                         return true;
2709                                 if(ev->effects) // particle effect?
2710                                         return true;
2711                                 if(ev->think) // has a think function?
2712                                         if(ev->nextthink > 0) // that actually will eventually run?
2713                                                 return true;
2714                                 if(ev->takedamage)
2715                                         return true;
2716                                 if(*prvm_leaktest_ignore_classnames.string)
2717                                 {
2718                                         if(strstr(va(" %s ", prvm_leaktest_ignore_classnames.string), va(" %s ", PRVM_GetString(ev->classname))))
2719                                                 return true;
2720                                 }
2721                         }
2722                         break;
2723                 case PRVM_CLIENTPROG:
2724                         {
2725                                 // TODO someone add more stuff here
2726                                 cl_entvars_t *ev = edict->fields.client;
2727                                 if(ev->entnum) // csqc networked
2728                                         return true;
2729                                 if(ev->modelindex) // visible ent?
2730                                         return true;
2731                                 if(ev->effects) // particle effect?
2732                                         return true;
2733                                 if(ev->think) // has a think function?
2734                                         if(ev->nextthink > 0) // that actually will eventually run?
2735                                                 return true;
2736                                 if(*prvm_leaktest_ignore_classnames.string)
2737                                 {
2738                                         if(strstr(va(" %s ", prvm_leaktest_ignore_classnames.string), va(" %s ", PRVM_GetString(ev->classname))))
2739                                                 return true;
2740                                 }
2741                         }
2742                         break;
2743                 case PRVM_MENUPROG:
2744                         // menu prog does not have classnames
2745                         break;
2746         }
2747         return false;
2748 }
2749
2750 static qboolean PRVM_IsEdictReferenced(prvm_edict_t *edict, int mark)
2751 {
2752         int i, j;
2753         int edictnum = PRVM_NUM_FOR_EDICT(edict);
2754         const char *targetname = NULL;
2755
2756         switch(prog - prog_list)
2757         {
2758                 case PRVM_SERVERPROG:
2759                         targetname = PRVM_GetString(edict->fields.server->targetname);
2760                         break;
2761         }
2762
2763         if(targetname)
2764                 if(!*targetname) // ""
2765                         targetname = NULL;
2766
2767         for (i = 0;i < prog->progs->numglobaldefs;i++)
2768         {
2769                 ddef_t *d = &prog->globaldefs[i];
2770                 if((etype_t)((int) d->type & ~DEF_SAVEGLOBAL) != ev_entity)
2771                         continue;
2772                 if(edictnum == ((prvm_eval_t *) &prog->globals.generic[d->ofs])->edict)
2773                         return true;
2774         }
2775
2776         for(j = 0; j < prog->num_edicts; ++j)
2777         {
2778                 prvm_edict_t *ed = PRVM_EDICT_NUM(j);
2779                 if (ed->priv.required->mark < mark)
2780                         continue;
2781                 if(ed == edict)
2782                         continue;
2783                 if(targetname)
2784                 {
2785                         const char *target = PRVM_GetString(ed->fields.server->target);
2786                         if(target)
2787                                 if(!strcmp(target, targetname))
2788                                         return true;
2789                 }
2790                 for (i=0; i<prog->progs->numfielddefs; ++i)
2791                 {
2792                         ddef_t *d = &prog->fielddefs[i];
2793                         if((etype_t)((int) d->type & ~DEF_SAVEGLOBAL) != ev_entity)
2794                                 continue;
2795                         if(edictnum == ((prvm_eval_t *) &((float*)ed->fields.vp)[d->ofs])->edict)
2796                                 return true;
2797                 }
2798         }
2799
2800         return false;
2801 }
2802
2803 static void PRVM_MarkReferencedEdicts(void)
2804 {
2805         int j;
2806         qboolean found_new;
2807         int stage;
2808
2809         for(j = 0; j < prog->num_edicts; ++j)
2810         {
2811                 prvm_edict_t *ed = PRVM_EDICT_NUM(j);
2812                 if(ed->priv.required->free)
2813                         continue;
2814                 ed->priv.required->mark = PRVM_IsEdictRelevant(ed) ? 1 : 0;
2815         }
2816
2817         stage = 1;
2818         do
2819         {
2820                 found_new = false;
2821                 for(j = 0; j < prog->num_edicts; ++j)
2822                 {
2823                         prvm_edict_t *ed = PRVM_EDICT_NUM(j);
2824                         if(ed->priv.required->free)
2825                                 continue;
2826                         if(ed->priv.required->mark)
2827                                 continue;
2828                         if(PRVM_IsEdictReferenced(ed, stage))
2829                         {
2830                                 ed->priv.required->mark = stage + 1;
2831                                 found_new = true;
2832                         }
2833                 }
2834                 ++stage;
2835         }
2836         while(found_new);
2837         Con_DPrintf("leak check used %d stages to find all references\n", stage);
2838 }
2839
2840 void PRVM_LeakTest(void)
2841 {
2842         int i, j;
2843         qboolean leaked = false;
2844
2845         if(!prog->leaktest_active)
2846                 return;
2847
2848         // 1. Strings
2849         for (i = 0; i < prog->numknownstrings; ++i)
2850         {
2851                 if(prog->knownstrings[i])
2852                 if(prog->knownstrings_freeable[i])
2853                 if(prog->knownstrings_origin[i])
2854                 if(!PRVM_IsStringReferenced(-1 - i))
2855                 {
2856                         Con_Printf("Unreferenced string found!\n  Value: %s\n  Origin: %s\n", prog->knownstrings[i], prog->knownstrings_origin[i]);
2857                         leaked = true;
2858                 }
2859         }
2860
2861         // 2. Edicts
2862         PRVM_MarkReferencedEdicts();
2863         for(j = 0; j < prog->num_edicts; ++j)
2864         {
2865                 prvm_edict_t *ed = PRVM_EDICT_NUM(j);
2866                 if(ed->priv.required->free)
2867                         continue;
2868                 if(!ed->priv.required->mark)
2869                 if(ed->priv.required->allocation_origin)
2870                 {
2871                         Con_Printf("Unreferenced edict found!\n  Allocated at: %s\n", ed->priv.required->allocation_origin);
2872                         PRVM_ED_Print(ed, NULL);
2873                         Con_Print("\n");
2874                         leaked = true;
2875                 }
2876         }
2877
2878         for (i = 0; i < (int)Mem_ExpandableArray_IndexRange(&prog->stringbuffersarray); ++i)
2879         {
2880                 prvm_stringbuffer_t *stringbuffer = (prvm_stringbuffer_t*) Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, i);
2881                 if(stringbuffer)
2882                 if(stringbuffer->origin)
2883                 {
2884                         Con_Printf("Open string buffer handle found!\n  Allocated at: %s\n", stringbuffer->origin);
2885                         leaked = true;
2886                 }
2887         }
2888
2889         for(i = 0; i < PRVM_MAX_OPENFILES; ++i)
2890         {
2891                 if(prog->openfiles[i])
2892                 if(prog->openfiles_origin[i])
2893                 {
2894                         Con_Printf("Open file handle found!\n  Allocated at: %s\n", prog->openfiles_origin[i]);
2895                         leaked = true;
2896                 }
2897         }
2898
2899         for(i = 0; i < PRVM_MAX_OPENSEARCHES; ++i)
2900         {
2901                 if(prog->opensearches[i])
2902                 if(prog->opensearches_origin[i])
2903                 {
2904                         Con_Printf("Open search handle found!\n  Allocated at: %s\n", prog->opensearches_origin[i]);
2905                         leaked = true;
2906                 }
2907         }
2908
2909         if(!leaked)
2910                 Con_Printf("Congratulations. No leaks found.\n");
2911 }