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->entityfieldsarea = prog->entityfields * prog->max_edicts;
  81         prog->edictsfields = (vec_t *)Mem_Alloc(prog->progs_mempool, prog->entityfieldsarea * sizeof(vec_t));
  82
  83         // set edict pointers
  84         for(i = 0; i < prog->max_edicts; i++)
  85         {
  86                 prog->edicts[i].priv.required = (prvm_edict_private_t *)((unsigned char  *)prog->edictprivate + i * prog->edictprivate_size);
  87                 prog->edicts[i].fields.vp = prog->edictsfields + i * prog->entityfields;
  88         }
  89 }
  90
  91 /*
  92 ===============
  93 PRVM_MEM_IncreaseEdicts
  94 ===============
  95 */
  96 void PRVM_MEM_IncreaseEdicts(void)
  97 {
  98         int             i;
  99
 100         if(prog->max_edicts >= prog->limit_edicts)
 101                 return;
 102
 103         PRVM_GCALL(begin_increase_edicts)();
 104
 105         // increase edicts
 106         prog->max_edicts = min(prog->max_edicts + 256, prog->limit_edicts);
 107
 108         prog->entityfieldsarea = prog->entityfields * prog->max_edicts;
 109         prog->edictsfields = (vec_t*)Mem_Realloc(prog->progs_mempool, (void *)prog->edictsfields, prog->entityfieldsarea * sizeof(vec_t));
 110         prog->edictprivate = (void *)Mem_Realloc(prog->progs_mempool, (void *)prog->edictprivate, prog->max_edicts * prog->edictprivate_size);
 111
 112         //set e and v pointers
 113         for(i = 0; i < prog->max_edicts; i++)
 114         {
 115                 prog->edicts[i].priv.required  = (prvm_edict_private_t *)((unsigned char  *)prog->edictprivate + i * prog->edictprivate_size);
 116                 prog->edicts[i].fields.vp = prog->edictsfields + i * prog->entityfields;
 117         }
 118
 119         PRVM_GCALL(end_increase_edicts)();
 120 }
 121
 122 //============================================================================
 123 // normal prvm
 124
 125 int PRVM_ED_FindFieldOffset(const char *field)
 126 {
 127         ddef_t *d;
 128         d = PRVM_ED_FindField(field);
 129         if (!d)
 130                 return -1;
 131         return d->ofs;
 132 }
 133
 134 int PRVM_ED_FindGlobalOffset(const char *global)
 135 {
 136         ddef_t *d;
 137         d = PRVM_ED_FindGlobal(global);
 138         if (!d)
 139                 return -1;
 140         return d->ofs;
 141 }
 142
 143 func_t PRVM_ED_FindFunctionOffset(const char *function)
 144 {
 145         mfunction_t *f;
 146         f = PRVM_ED_FindFunction(function);
 147         if (!f)
 148                 return 0;
 149         return (func_t)(f - prog->functions);
 150 }
 151
 152 qboolean PRVM_ProgLoaded(int prognr)
 153 {
 154         if(prognr < 0 || prognr >= PRVM_MAXPROGS)
 155                 return FALSE;
 156
 157         return (prog_list[prognr].loaded ? TRUE : FALSE);
 158 }
 159
 160 /*
 161 =================
 162 PRVM_SetProgFromString
 163 =================
 164 */
 165 // perhaps add a return value when the str doesnt exist
 166 qboolean PRVM_SetProgFromString(const char *str)
 167 {
 168         int i = 0;
 169         for(; i < PRVM_MAXPROGS ; i++)
 170                 if(prog_list[i].name && !strcmp(prog_list[i].name,str))
 171                 {
 172                         if(prog_list[i].loaded)
 173                         {
 174                                 prog = &prog_list[i];
 175                                 return TRUE;
 176                         }
 177                         else
 178                         {
 179                                 Con_Printf("%s not loaded !\n",PRVM_NAME);
 180                                 return FALSE;
 181                         }
 182                 }
 183
 184         Con_Printf("Invalid program name %s !\n", str);
 185         return FALSE;
 186 }
 187
 188 /*
 189 =================
 190 PRVM_SetProg
 191 =================
 192 */
 193 void PRVM_SetProg(int prognr)
 194 {
 195         if(0 <= prognr && prognr < PRVM_MAXPROGS)
 196         {
 197                 if(prog_list[prognr].loaded)
 198                         prog = &prog_list[prognr];
 199                 else
 200                         PRVM_ERROR("%i not loaded !", prognr);
 201                 return;
 202         }
 203         PRVM_ERROR("Invalid program number %i", prognr);
 204 }
 205
 206 /*
 207 =================
 208 PRVM_ED_ClearEdict
 209
 210 Sets everything to NULL
 211 =================
 212 */
 213 void PRVM_ED_ClearEdict (prvm_edict_t *e)
 214 {
 215         memset (e->fields.vp, 0, prog->progs->entityfields * 4);
 216         e->priv.required->free = false;
 217
 218         // AK: Let the init_edict function determine if something needs to be initialized
 219         PRVM_GCALL(init_edict)(e);
 220 }
 221
 222 const char *PRVM_AllocationOrigin(void)
 223 {
 224         char *buf = NULL;
 225         if(prog->leaktest_active)
 226         if(prog->depth > 0) // actually in QC code and not just parsing the entities block of a map/savegame
 227         {
 228                 buf = (char *)PRVM_Alloc(128);
 229                 PRVM_ShortStackTrace(buf, 128);
 230         }
 231         return buf;
 232 }
 233
 234 /*
 235 =================
 236 PRVM_ED_CanAlloc
 237
 238 Returns if this particular edict could get allocated by PRVM_ED_Alloc
 239 =================
 240 */
 241 qboolean PRVM_ED_CanAlloc(prvm_edict_t *e)
 242 {
 243         if(!e->priv.required->free)
 244                 return false;
 245         if(realtime <= e->priv.required->freetime && prvm_reuseedicts_neverinsameframe.integer)
 246                 return false; // never allow reuse in same frame (causes networking trouble)
 247         if(e->priv.required->freetime < prog->starttime + prvm_reuseedicts_startuptime.value)
 248                 return true;
 249         if(realtime > e->priv.required->freetime + 1)
 250                 return true;
 251         return false; // entity slot still blocked because the entity was freed less than one second ago
 252 }
 253
 254 /*
 255 =================
 256 PRVM_ED_Alloc
 257
 258 Either finds a free edict, or allocates a new one.
 259 Try to avoid reusing an entity that was recently freed, because it
 260 can cause the client to think the entity morphed into something else
 261 instead of being removed and recreated, which can cause interpolated
 262 angles and bad trails.
 263 =================
 264 */
 265 prvm_edict_t *PRVM_ED_Alloc (void)
 266 {
 267         int                     i;
 268         prvm_edict_t            *e;
 269
 270         // the client qc dont need maxclients
 271         // thus it doesnt need to use svs.maxclients
 272         // AK:  changed i=svs.maxclients+1
 273         // AK:  changed so the edict 0 wont spawn -> used as reserved/world entity
 274         //              although the menu/client has no world
 275         for (i = prog->reserved_edicts + 1;i < prog->num_edicts;i++)
 276         {
 277                 e = PRVM_EDICT_NUM(i);
 278                 if(PRVM_ED_CanAlloc(e))
 279                 {
 280                         PRVM_ED_ClearEdict (e);
 281                         e->priv.required->allocation_origin = PRVM_AllocationOrigin();
 282                         return e;
 283                 }
 284         }
 285
 286         if (i == prog->limit_edicts)
 287                 PRVM_ERROR ("%s: PRVM_ED_Alloc: no free edicts",PRVM_NAME);
 288
 289         prog->num_edicts++;
 290         if (prog->num_edicts >= prog->max_edicts)
 291                 PRVM_MEM_IncreaseEdicts();
 292
 293         e = PRVM_EDICT_NUM(i);
 294         PRVM_ED_ClearEdict (e);
 295
 296         e->priv.required->allocation_origin = PRVM_AllocationOrigin();
 297
 298         return e;
 299 }
 300
 301 /*
 302 =================
 303 PRVM_ED_Free
 304
 305 Marks the edict as free
 306 FIXME: walk all entities and NULL out references to this entity
 307 =================
 308 */
 309 void PRVM_ED_Free (prvm_edict_t *ed)
 310 {
 311         // dont delete the null entity (world) or reserved edicts
 312         if(PRVM_NUM_FOR_EDICT(ed) <= prog->reserved_edicts )
 313                 return;
 314
 315         PRVM_GCALL(free_edict)(ed);
 316
 317         ed->priv.required->free = true;
 318         ed->priv.required->freetime = realtime;
 319         if(ed->priv.required->allocation_origin)
 320         {
 321                 PRVM_Free((char *)ed->priv.required->allocation_origin);
 322                 ed->priv.required->allocation_origin = NULL;
 323         }
 324 }
 325
 326 //===========================================================================
 327
 328 /*
 329 ============
 330 PRVM_ED_GlobalAtOfs
 331 ============
 332 */
 333 ddef_t *PRVM_ED_GlobalAtOfs (int ofs)
 334 {
 335         ddef_t          *def;
 336         int                     i;
 337
 338         for (i=0 ; i<prog->progs->numglobaldefs ; i++)
 339         {
 340                 def = &prog->globaldefs[i];
 341                 if (def->ofs == ofs)
 342                         return def;
 343         }
 344         return NULL;
 345 }
 346
 347 /*
 348 ============
 349 PRVM_ED_FieldAtOfs
 350 ============
 351 */
 352 ddef_t *PRVM_ED_FieldAtOfs (int ofs)
 353 {
 354         ddef_t          *def;
 355         int                     i;
 356
 357         for (i=0 ; i<prog->progs->numfielddefs ; i++)
 358         {
 359                 def = &prog->fielddefs[i];
 360                 if (def->ofs == ofs)
 361                         return def;
 362         }
 363         return NULL;
 364 }
 365
 366 /*
 367 ============
 368 PRVM_ED_FindField
 369 ============
 370 */
 371 ddef_t *PRVM_ED_FindField (const char *name)
 372 {
 373         ddef_t *def;
 374         int i;
 375
 376         for (i=0 ; i<prog->progs->numfielddefs ; i++)
 377         {
 378                 def = &prog->fielddefs[i];
 379                 if (!strcmp(PRVM_GetString(def->s_name), name))
 380                         return def;
 381         }
 382         return NULL;
 383 }
 384
 385 /*
 386 ============
 387 PRVM_ED_FindGlobal
 388 ============
 389 */
 390 ddef_t *PRVM_ED_FindGlobal (const char *name)
 391 {
 392         ddef_t *def;
 393         int i;
 394
 395         for (i=0 ; i<prog->progs->numglobaldefs ; i++)
 396         {
 397                 def = &prog->globaldefs[i];
 398                 if (!strcmp(PRVM_GetString(def->s_name), name))
 399                         return def;
 400         }
 401         return NULL;
 402 }
 403
 404
 405 /*
 406 ============
 407 PRVM_ED_FindFunction
 408 ============
 409 */
 410 mfunction_t *PRVM_ED_FindFunction (const char *name)
 411 {
 412         mfunction_t             *func;
 413         int                             i;
 414
 415         for (i=0 ; i<prog->progs->numfunctions ; i++)
 416         {
 417                 func = &prog->functions[i];
 418                 if (!strcmp(PRVM_GetString(func->s_name), name))
 419                         return func;
 420         }
 421         return NULL;
 422 }
 423
 424
 425 /*
 426 ============
 427 PRVM_ValueString
 428
 429 Returns a string describing *data in a type specific manner
 430 =============
 431 */
 432 char *PRVM_ValueString (etype_t type, prvm_eval_t *val)
 433 {
 434         static char line[MAX_INPUTLINE];
 435         ddef_t *def;
 436         mfunction_t *f;
 437         int n;
 438
 439         type = (etype_t)((int) type & ~DEF_SAVEGLOBAL);
 440
 441         switch (type)
 442         {
 443         case ev_string:
 444                 strlcpy (line, PRVM_GetString (val->string), sizeof (line));
 445                 break;
 446         case ev_entity:
 447                 n = val->edict;
 448                 if (n < 0 || n >= prog->max_edicts)
 449                         dpsnprintf (line, sizeof(line), "entity %i (invalid!)", n);
 450                 else
 451                         dpsnprintf (line, sizeof(line), "entity %i", n);
 452                 break;
 453         case ev_function:
 454                 f = prog->functions + val->function;
 455                 dpsnprintf (line, sizeof(line), "%s()", PRVM_GetString(f->s_name));
 456                 break;
 457         case ev_field:
 458                 def = PRVM_ED_FieldAtOfs ( val->_int );
 459                 dpsnprintf (line, sizeof(line), ".%s", PRVM_GetString(def->s_name));
 460                 break;
 461         case ev_void:
 462                 dpsnprintf (line, sizeof(line), "void");
 463                 break;
 464         case ev_float:
 465                 // LordHavoc: changed from %5.1f to %10.4f
 466                 dpsnprintf (line, sizeof(line), "%10.4f", val->_float);
 467                 break;
 468         case ev_vector:
 469                 // LordHavoc: changed from %5.1f to %10.4f
 470                 dpsnprintf (line, sizeof(line), "'%10.4f %10.4f %10.4f'", val->vector[0], val->vector[1], val->vector[2]);
 471                 break;
 472         case ev_pointer:
 473                 dpsnprintf (line, sizeof(line), "pointer");
 474                 break;
 475         default:
 476                 dpsnprintf (line, sizeof(line), "bad type %i", (int) type);
 477                 break;
 478         }
 479
 480         return line;
 481 }
 482
 483 /*
 484 ============
 485 PRVM_UglyValueString
 486
 487 Returns a string describing *data in a type specific manner
 488 Easier to parse than PR_ValueString
 489 =============
 490 */
 491 char *PRVM_UglyValueString (etype_t type, prvm_eval_t *val)
 492 {
 493         static char line[MAX_INPUTLINE];
 494         int i;
 495         const char *s;
 496         ddef_t *def;
 497         mfunction_t *f;
 498
 499         type = (etype_t)((int)type & ~DEF_SAVEGLOBAL);
 500
 501         switch (type)
 502         {
 503         case ev_string:
 504                 // Parse the string a bit to turn special characters
 505                 // (like newline, specifically) into escape codes,
 506                 // this fixes saving games from various mods
 507                 s = PRVM_GetString (val->string);
 508                 for (i = 0;i < (int)sizeof(line) - 2 && *s;)
 509                 {
 510                         if (*s == '\n')
 511                         {
 512                                 line[i++] = '\\';
 513                                 line[i++] = 'n';
 514                         }
 515                         else if (*s == '\r')
 516                         {
 517                                 line[i++] = '\\';
 518                                 line[i++] = 'r';
 519                         }
 520                         else if (*s == '\\')
 521                         {
 522                                 line[i++] = '\\';
 523                                 line[i++] = '\\';
 524                         }
 525                         else if (*s == '"')
 526                         {
 527                                 line[i++] = '\\';
 528                                 line[i++] = '"';
 529                         }
 530                         else
 531                                 line[i++] = *s;
 532                         s++;
 533                 }
 534                 line[i] = '\0';
 535                 break;
 536         case ev_entity:
 537                 dpsnprintf (line, sizeof (line), "%i", PRVM_NUM_FOR_EDICT(PRVM_PROG_TO_EDICT(val->edict)));
 538                 break;
 539         case ev_function:
 540                 f = prog->functions + val->function;
 541                 strlcpy (line, PRVM_GetString (f->s_name), sizeof (line));
 542                 break;
 543         case ev_field:
 544                 def = PRVM_ED_FieldAtOfs ( val->_int );
 545                 dpsnprintf (line, sizeof (line), ".%s", PRVM_GetString(def->s_name));
 546                 break;
 547         case ev_void:
 548                 dpsnprintf (line, sizeof (line), "void");
 549                 break;
 550         case ev_float:
 551                 dpsnprintf (line, sizeof (line), "%f", val->_float);
 552                 break;
 553         case ev_vector:
 554                 dpsnprintf (line, sizeof (line), "%f %f %f", val->vector[0], val->vector[1], val->vector[2]);
 555                 break;
 556         default:
 557                 dpsnprintf (line, sizeof (line), "bad type %i", type);
 558                 break;
 559         }
 560
 561         return line;
 562 }
 563
 564 /*
 565 ============
 566 PRVM_GlobalString
 567
 568 Returns a string with a description and the contents of a global,
 569 padded to 20 field width
 570 ============
 571 */
 572 char *PRVM_GlobalString (int ofs)
 573 {
 574         char    *s;
 575         //size_t        i;
 576         ddef_t  *def;
 577         void    *val;
 578         static char     line[128];
 579
 580         val = (void *)&prog->globals.generic[ofs];
 581         def = PRVM_ED_GlobalAtOfs(ofs);
 582         if (!def)
 583                 dpsnprintf (line, sizeof(line), "GLOBAL%i", ofs);
 584         else
 585         {
 586                 s = PRVM_ValueString ((etype_t)def->type, (prvm_eval_t *)val);
 587                 dpsnprintf (line, sizeof(line), "%s (=%s)", PRVM_GetString(def->s_name), s);
 588         }
 589
 590         //i = strlen(line);
 591         //for ( ; i<20 ; i++)
 592         //      strcat (line," ");
 593         //strcat (line," ");
 594
 595         return line;
 596 }
 597
 598 char *PRVM_GlobalStringNoContents (int ofs)
 599 {
 600         //size_t        i;
 601         ddef_t  *def;
 602         static char     line[128];
 603
 604         def = PRVM_ED_GlobalAtOfs(ofs);
 605         if (!def)
 606                 dpsnprintf (line, sizeof(line), "GLOBAL%i", ofs);
 607         else
 608                 dpsnprintf (line, sizeof(line), "%s", PRVM_GetString(def->s_name));
 609
 610         //i = strlen(line);
 611         //for ( ; i<20 ; i++)
 612         //      strcat (line," ");
 613         //strcat (line," ");
 614
 615         return line;
 616 }
 617
 618
 619 /*
 620 =============
 621 PRVM_ED_Print
 622
 623 For debugging
 624 =============
 625 */
 626 // LordHavoc: optimized this to print out much more quickly (tempstring)
 627 // LordHavoc: changed to print out every 4096 characters (incase there are a lot of fields to print)
 628 void PRVM_ED_Print(prvm_edict_t *ed, const char *wildcard_fieldname)
 629 {
 630         size_t  l;
 631         ddef_t  *d;
 632         int             *v;
 633         int             i, j;
 634         const char      *name;
 635         int             type;
 636         char    tempstring[MAX_INPUTLINE], tempstring2[260]; // temporary string buffers
 637
 638         if (ed->priv.required->free)
 639         {
 640                 Con_Printf("%s: FREE\n",PRVM_NAME);
 641                 return;
 642         }
 643
 644         tempstring[0] = 0;
 645         dpsnprintf(tempstring, sizeof(tempstring), "\n%s EDICT %i:\n", PRVM_NAME, PRVM_NUM_FOR_EDICT(ed));
 646         for (i=1 ; i<prog->progs->numfielddefs ; i++)
 647         {
 648                 d = &prog->fielddefs[i];
 649                 name = PRVM_GetString(d->s_name);
 650                 if (name[strlen(name)-2] == '_')
 651                         continue;       // skip _x, _y, _z vars
 652
 653                 // Check Field Name Wildcard
 654                 if(wildcard_fieldname)
 655                         if( !matchpattern(name, wildcard_fieldname, 1) )
 656                                 // Didn't match; skip
 657                                 continue;
 658
 659                 v = (int *)(ed->fields.vp + d->ofs);
 660
 661         // if the value is still all 0, skip the field
 662                 type = d->type & ~DEF_SAVEGLOBAL;
 663
 664                 for (j=0 ; j<prvm_type_size[type] ; j++)
 665                         if (v[j])
 666                                 break;
 667                 if (j == prvm_type_size[type])
 668                         continue;
 669
 670                 if (strlen(name) > sizeof(tempstring2)-4)
 671                 {
 672                         memcpy (tempstring2, name, sizeof(tempstring2)-4);
 673                         tempstring2[sizeof(tempstring2)-4] = tempstring2[sizeof(tempstring2)-3] = tempstring2[sizeof(tempstring2)-2] = '.';
 674                         tempstring2[sizeof(tempstring2)-1] = 0;
 675                         name = tempstring2;
 676                 }
 677                 strlcat(tempstring, name, sizeof(tempstring));
 678                 for (l = strlen(name);l < 14;l++)
 679                         strlcat(tempstring, " ", sizeof(tempstring));
 680                 strlcat(tempstring, " ", sizeof(tempstring));
 681
 682                 name = PRVM_ValueString((etype_t)d->type, (prvm_eval_t *)v);
 683                 if (strlen(name) > sizeof(tempstring2)-4)
 684                 {
 685                         memcpy (tempstring2, name, sizeof(tempstring2)-4);
 686                         tempstring2[sizeof(tempstring2)-4] = tempstring2[sizeof(tempstring2)-3] = tempstring2[sizeof(tempstring2)-2] = '.';
 687                         tempstring2[sizeof(tempstring2)-1] = 0;
 688                         name = tempstring2;
 689                 }
 690                 strlcat(tempstring, name, sizeof(tempstring));
 691                 strlcat(tempstring, "\n", sizeof(tempstring));
 692                 if (strlen(tempstring) >= sizeof(tempstring)/2)
 693                 {
 694                         Con_Print(tempstring);
 695                         tempstring[0] = 0;
 696                 }
 697         }
 698         if (tempstring[0])
 699                 Con_Print(tempstring);
 700 }
 701
 702 /*
 703 =============
 704 PRVM_ED_Write
 705
 706 For savegames
 707 =============
 708 */
 709 extern cvar_t developer_entityparsing;
 710 void PRVM_ED_Write (qfile_t *f, prvm_edict_t *ed)
 711 {
 712         ddef_t  *d;
 713         int             *v;
 714         int             i, j;
 715         const char      *name;
 716         int             type;
 717
 718         FS_Print(f, "{\n");
 719
 720         if (ed->priv.required->free)
 721         {
 722                 FS_Print(f, "}\n");
 723                 return;
 724         }
 725
 726         for (i=1 ; i<prog->progs->numfielddefs ; i++)
 727         {
 728                 d = &prog->fielddefs[i];
 729                 name = PRVM_GetString(d->s_name);
 730
 731                 if(developer_entityparsing.integer)
 732                         Con_Printf("PRVM_ED_Write: at entity %d field %s\n", PRVM_NUM_FOR_EDICT(ed), name);
 733
 734                 if (name[strlen(name)-2] == '_')
 735                         continue;       // skip _x, _y, _z vars
 736
 737                 v = (int *)(ed->fields.vp + d->ofs);
 738
 739         // if the value is still all 0, skip the field
 740                 type = d->type & ~DEF_SAVEGLOBAL;
 741                 for (j=0 ; j<prvm_type_size[type] ; j++)
 742                         if (v[j])
 743                                 break;
 744                 if (j == prvm_type_size[type])
 745                         continue;
 746
 747                 FS_Printf(f,"\"%s\" ",name);
 748                 prog->statestring = va("PRVM_ED_Write, ent=%d, name=%s", i, name);
 749                 FS_Printf(f,"\"%s\"\n", PRVM_UglyValueString((etype_t)d->type, (prvm_eval_t *)v));
 750                 prog->statestring = NULL;
 751         }
 752
 753         FS_Print(f, "}\n");
 754 }
 755
 756 void PRVM_ED_PrintNum (int ent, const char *wildcard_fieldname)
 757 {
 758         PRVM_ED_Print(PRVM_EDICT_NUM(ent), wildcard_fieldname);
 759 }
 760
 761 /*
 762 =============
 763 PRVM_ED_PrintEdicts_f
 764
 765 For debugging, prints all the entities in the current server
 766 =============
 767 */
 768 void PRVM_ED_PrintEdicts_f (void)
 769 {
 770         int             i;
 771         const char *wildcard_fieldname;
 772
 773         if(Cmd_Argc() < 2 || Cmd_Argc() > 3)
 774         {
 775                 Con_Print("prvm_edicts <program name> <optional field name wildcard>\n");
 776                 return;
 777         }
 778
 779         PRVM_Begin;
 780         if(!PRVM_SetProgFromString(Cmd_Argv(1)))
 781                 return;
 782
 783         if( Cmd_Argc() == 3)
 784                 wildcard_fieldname = Cmd_Argv(2);
 785         else
 786                 wildcard_fieldname = NULL;
 787
 788         Con_Printf("%s: %i entities\n", PRVM_NAME, prog->num_edicts);
 789         for (i=0 ; i<prog->num_edicts ; i++)
 790                 PRVM_ED_PrintNum (i, wildcard_fieldname);
 791
 792         PRVM_End;
 793 }
 794
 795 /*
 796 =============
 797 PRVM_ED_PrintEdict_f
 798
 799 For debugging, prints a single edict
 800 =============
 801 */
 802 void PRVM_ED_PrintEdict_f (void)
 803 {
 804         int             i;
 805         const char      *wildcard_fieldname;
 806
 807         if(Cmd_Argc() < 3 || Cmd_Argc() > 4)
 808         {
 809                 Con_Print("prvm_edict <program name> <edict number> <optional field name wildcard>\n");
 810                 return;
 811         }
 812
 813         PRVM_Begin;
 814         if(!PRVM_SetProgFromString(Cmd_Argv(1)))
 815                 return;
 816
 817         i = atoi (Cmd_Argv(2));
 818         if (i >= prog->num_edicts)
 819         {
 820                 Con_Print("Bad edict number\n");
 821                 PRVM_End;
 822                 return;
 823         }
 824         if( Cmd_Argc() == 4)
 825                 // Optional Wildcard Provided
 826                 wildcard_fieldname = Cmd_Argv(3);
 827         else
 828                 // Use All
 829                 wildcard_fieldname = NULL;
 830         PRVM_ED_PrintNum (i, wildcard_fieldname);
 831
 832         PRVM_End;
 833 }
 834
 835 /*
 836 =============
 837 PRVM_ED_Count
 838
 839 For debugging
 840 =============
 841 */
 842 // 2 possibilities : 1. just displaying the active edict count
 843 //                                       2. making a function pointer [x]
 844 void PRVM_ED_Count_f (void)
 845 {
 846         int             i;
 847         prvm_edict_t    *ent;
 848         int             active;
 849
 850         if(Cmd_Argc() != 2)
 851         {
 852                 Con_Print("prvm_count <program name>\n");
 853                 return;
 854         }
 855
 856         PRVM_Begin;
 857         if(!PRVM_SetProgFromString(Cmd_Argv(1)))
 858                 return;
 859
 860         if(prog->count_edicts)
 861                 prog->count_edicts();
 862         else
 863         {
 864                 active = 0;
 865                 for (i=0 ; i<prog->num_edicts ; i++)
 866                 {
 867                         ent = PRVM_EDICT_NUM(i);
 868                         if (ent->priv.required->free)
 869                                 continue;
 870                         active++;
 871                 }
 872
 873                 Con_Printf("num_edicts:%3i\n", prog->num_edicts);
 874                 Con_Printf("active    :%3i\n", active);
 875         }
 876
 877         PRVM_End;
 878 }
 879
 880 /*
 881 ==============================================================================
 882
 883                                         ARCHIVING GLOBALS
 884
 885 FIXME: need to tag constants, doesn't really work
 886 ==============================================================================
 887 */
 888
 889 /*
 890 =============
 891 PRVM_ED_WriteGlobals
 892 =============
 893 */
 894 void PRVM_ED_WriteGlobals (qfile_t *f)
 895 {
 896         ddef_t          *def;
 897         int                     i;
 898         const char              *name;
 899         int                     type;
 900
 901         FS_Print(f,"{\n");
 902         for (i=0 ; i<prog->progs->numglobaldefs ; i++)
 903         {
 904                 def = &prog->globaldefs[i];
 905                 type = def->type;
 906                 if ( !(def->type & DEF_SAVEGLOBAL) )
 907                         continue;
 908                 type &= ~DEF_SAVEGLOBAL;
 909
 910                 if (type != ev_string && type != ev_float && type != ev_entity)
 911                         continue;
 912
 913                 name = PRVM_GetString(def->s_name);
 914
 915                 if(developer_entityparsing.integer)
 916                         Con_Printf("PRVM_ED_WriteGlobals: at global %s\n", name);
 917
 918                 prog->statestring = va("PRVM_ED_WriteGlobals, name=%s", name);
 919                 FS_Printf(f,"\"%s\" ", name);
 920                 FS_Printf(f,"\"%s\"\n", PRVM_UglyValueString((etype_t)type, (prvm_eval_t *)&prog->globals.generic[def->ofs]));
 921                 prog->statestring = NULL;
 922         }
 923         FS_Print(f,"}\n");
 924 }
 925
 926 /*
 927 =============
 928 PRVM_ED_ParseGlobals
 929 =============
 930 */
 931 void PRVM_ED_ParseGlobals (const char *data)
 932 {
 933         char keyname[MAX_INPUTLINE];
 934         ddef_t *key;
 935
 936         while (1)
 937         {
 938                 // parse key
 939                 if (!COM_ParseToken_Simple(&data, false, false))
 940                         PRVM_ERROR ("PRVM_ED_ParseGlobals: EOF without closing brace");
 941                 if (com_token[0] == '}')
 942                         break;
 943
 944                 if (developer_entityparsing.integer)
 945                         Con_Printf("Key: \"%s\"", com_token);
 946
 947                 strlcpy (keyname, com_token, sizeof(keyname));
 948
 949                 // parse value
 950                 if (!COM_ParseToken_Simple(&data, false, true))
 951                         PRVM_ERROR ("PRVM_ED_ParseGlobals: EOF without closing brace");
 952
 953                 if (developer_entityparsing.integer)
 954                         Con_Printf(" \"%s\"\n", com_token);
 955
 956                 if (com_token[0] == '}')
 957                         PRVM_ERROR ("PRVM_ED_ParseGlobals: closing brace without data");
 958
 959                 key = PRVM_ED_FindGlobal (keyname);
 960                 if (!key)
 961                 {
 962                         Con_DPrintf("'%s' is not a global on %s\n", keyname, PRVM_NAME);
 963                         continue;
 964                 }
 965
 966                 if (!PRVM_ED_ParseEpair(NULL, key, com_token, true))
 967                         PRVM_ERROR ("PRVM_ED_ParseGlobals: parse error");
 968         }
 969 }
 970
 971 //============================================================================
 972
 973
 974 /*
 975 =============
 976 PRVM_ED_ParseEval
 977
 978 Can parse either fields or globals
 979 returns false if error
 980 =============
 981 */
 982 qboolean PRVM_ED_ParseEpair(prvm_edict_t *ent, ddef_t *key, const char *s, qboolean parsebackslash)
 983 {
 984         int i, l;
 985         char *new_p;
 986         ddef_t *def;
 987         prvm_eval_t *val;
 988         mfunction_t *func;
 989
 990         if (ent)
 991                 val = (prvm_eval_t *)(ent->fields.vp + key->ofs);
 992         else
 993                 val = (prvm_eval_t *)(prog->globals.generic + key->ofs);
 994         switch (key->type & ~DEF_SAVEGLOBAL)
 995         {
 996         case ev_string:
 997                 l = (int)strlen(s) + 1;
 998                 val->string = PRVM_AllocString(l, &new_p);
 999                 for (i = 0;i < l;i++)
1000                 {
1001                         if (s[i] == '\\' && s[i+1] && parsebackslash)
1002                         {
1003                                 i++;
1004                                 if (s[i] == 'n')
1005                                         *new_p++ = '\n';
1006                                 else if (s[i] == 'r')
1007                                         *new_p++ = '\r';
1008                                 else
1009                                         *new_p++ = s[i];
1010                         }
1011                         else
1012                                 *new_p++ = s[i];
1013                 }
1014                 break;
1015
1016         case ev_float:
1017                 while (*s && ISWHITESPACE(*s))
1018                         s++;
1019                 val->_float = atof(s);
1020                 break;
1021
1022         case ev_vector:
1023                 for (i = 0;i < 3;i++)
1024                 {
1025                         while (*s && ISWHITESPACE(*s))
1026                                 s++;
1027                         if (!*s)
1028                                 break;
1029                         val->vector[i] = atof(s);
1030                         while (!ISWHITESPACE(*s))
1031                                 s++;
1032                         if (!*s)
1033                                 break;
1034                 }
1035                 break;
1036
1037         case ev_entity:
1038                 while (*s && ISWHITESPACE(*s))
1039                         s++;
1040                 i = atoi(s);
1041                 if (i >= prog->limit_edicts)
1042                         Con_Printf("PRVM_ED_ParseEpair: ev_entity reference too large (edict %u >= MAX_EDICTS %u) on %s\n", (unsigned int)i, prog->limit_edicts, PRVM_NAME);
1043                 while (i >= prog->max_edicts)
1044                         PRVM_MEM_IncreaseEdicts();
1045                 // if IncreaseEdicts was called the base pointer needs to be updated
1046                 if (ent)
1047                         val = (prvm_eval_t *)(ent->fields.vp + key->ofs);
1048                 val->edict = PRVM_EDICT_TO_PROG(PRVM_EDICT_NUM((int)i));
1049                 break;
1050
1051         case ev_field:
1052                 if (*s != '.')
1053                 {
1054                         Con_DPrintf("PRVM_ED_ParseEpair: Bogus field name %s in %s\n", s, PRVM_NAME);
1055                         return false;
1056                 }
1057                 def = PRVM_ED_FindField(s + 1);
1058                 if (!def)
1059                 {
1060                         Con_DPrintf("PRVM_ED_ParseEpair: Can't find field %s in %s\n", s, PRVM_NAME);
1061                         return false;
1062                 }
1063                 val->_int = def->ofs;
1064                 break;
1065
1066         case ev_function:
1067                 func = PRVM_ED_FindFunction(s);
1068                 if (!func)
1069                 {
1070                         Con_Printf("PRVM_ED_ParseEpair: Can't find function %s in %s\n", s, PRVM_NAME);
1071                         return false;
1072                 }
1073                 val->function = func - prog->functions;
1074                 break;
1075
1076         default:
1077                 Con_Printf("PRVM_ED_ParseEpair: Unknown key->type %i for key \"%s\" on %s\n", key->type, PRVM_GetString(key->s_name), PRVM_NAME);
1078                 return false;
1079         }
1080         return true;
1081 }
1082
1083 /*
1084 =============
1085 PRVM_GameCommand_f
1086
1087 Console command to send a string to QC function GameCommand of the
1088 indicated progs
1089
1090 Usage:
1091   sv_cmd adminmsg 3 "do not teamkill"
1092   cl_cmd someclientcommand
1093   menu_cmd somemenucommand
1094
1095 All progs can support this extension; sg calls it in server QC, cg in client
1096 QC, mg in menu QC.
1097 =============
1098 */
1099 void PRVM_GameCommand(const char *whichprogs, const char *whichcmd)
1100 {
1101         if(Cmd_Argc() < 1)
1102         {
1103                 Con_Printf("%s text...\n", whichcmd);
1104                 return;
1105         }
1106
1107         PRVM_Begin;
1108         if(!PRVM_SetProgFromString(whichprogs))
1109         // note: this is not PRVM_SetProg because that one aborts "hard" using PRVM_Error
1110         // also, it makes printing error messages easier!
1111         {
1112                 Con_Printf("%s program not loaded.\n", whichprogs);
1113                 return;
1114         }
1115
1116         if(!prog->funcoffsets.GameCommand)
1117         {
1118                 Con_Printf("%s program do not support GameCommand!\n", whichprogs);
1119         }
1120         else
1121         {
1122                 int restorevm_tempstringsbuf_cursize;
1123                 const char *s;
1124
1125                 s = Cmd_Args();
1126
1127                 restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
1128                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(s ? s : "");
1129                 PRVM_ExecuteProgram (prog->funcoffsets.GameCommand, "QC function GameCommand is missing");
1130                 vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
1131         }
1132
1133         PRVM_End;
1134 }
1135 void PRVM_GameCommand_Server_f(void)
1136 {
1137         PRVM_GameCommand("server", "sv_cmd");
1138 }
1139 void PRVM_GameCommand_Client_f(void)
1140 {
1141         PRVM_GameCommand("client", "cl_cmd");
1142 }
1143 void PRVM_GameCommand_Menu_f(void)
1144 {
1145         PRVM_GameCommand("menu", "menu_cmd");
1146 }
1147
1148 /*
1149 =============
1150 PRVM_ED_EdictGet_f
1151
1152 Console command to load a field of a specified edict
1153 =============
1154 */
1155 void PRVM_ED_EdictGet_f(void)
1156 {
1157         prvm_edict_t *ed;
1158         ddef_t *key;
1159         const char *s;
1160         prvm_eval_t *v;
1161
1162         if(Cmd_Argc() != 4 && Cmd_Argc() != 5)
1163         {
1164                 Con_Print("prvm_edictget <program name> <edict number> <field> [<cvar>]\n");
1165                 return;
1166         }
1167
1168         PRVM_Begin;
1169         if(!PRVM_SetProgFromString(Cmd_Argv(1)))
1170         {
1171                 Con_Printf("Wrong program name %s !\n", Cmd_Argv(1));
1172                 return;
1173         }
1174
1175         ed = PRVM_EDICT_NUM(atoi(Cmd_Argv(2)));
1176
1177         if((key = PRVM_ED_FindField(Cmd_Argv(3))) == 0)
1178         {
1179                 Con_Printf("Key %s not found !\n", Cmd_Argv(3));
1180                 goto fail;
1181         }
1182
1183         v = (prvm_eval_t *)(ed->fields.vp + key->ofs);
1184         s = PRVM_UglyValueString(key->type, v);
1185         if(Cmd_Argc() == 5)
1186         {
1187                 cvar_t *cvar = Cvar_FindVar(Cmd_Argv(4));
1188                 if (cvar && cvar->flags & CVAR_READONLY)
1189                 {
1190                         Con_Printf("prvm_edictget: %s is read-only\n", cvar->name);
1191                         goto fail;
1192                 }
1193                 Cvar_Get(Cmd_Argv(4), s, 0, NULL);
1194         }
1195         else
1196                 Con_Printf("%s\n", s);
1197
1198 fail:
1199         PRVM_End;
1200 }
1201
1202 void PRVM_ED_GlobalGet_f(void)
1203 {
1204         ddef_t *key;
1205         const char *s;
1206         prvm_eval_t *v;
1207
1208         if(Cmd_Argc() != 3 && Cmd_Argc() != 4)
1209         {
1210                 Con_Print("prvm_globalget <program name> <global> [<cvar>]\n");
1211                 return;
1212         }
1213
1214         PRVM_Begin;
1215         if(!PRVM_SetProgFromString(Cmd_Argv(1)))
1216         {
1217                 Con_Printf("Wrong program name %s !\n", Cmd_Argv(1));
1218                 return;
1219         }
1220
1221         key = PRVM_ED_FindGlobal(Cmd_Argv(2));
1222         if(!key)
1223         {
1224                 Con_Printf( "No global '%s' in %s!\n", Cmd_Argv(2), Cmd_Argv(1) );
1225                 goto fail;
1226         }
1227
1228         v = (prvm_eval_t *) &prog->globals.generic[key->ofs];
1229         s = PRVM_UglyValueString(key->type, v);
1230         if(Cmd_Argc() == 4)
1231         {
1232                 cvar_t *cvar = Cvar_FindVar(Cmd_Argv(3));
1233                 if (cvar && cvar->flags & CVAR_READONLY)
1234                 {
1235                         Con_Printf("prvm_globalget: %s is read-only\n", cvar->name);
1236                         goto fail;
1237                 }
1238                 Cvar_Get(Cmd_Argv(3), s, 0, NULL);
1239         }
1240         else
1241                 Con_Printf("%s\n", s);
1242
1243 fail:
1244         PRVM_End;
1245 }
1246
1247 /*
1248 =============
1249 PRVM_ED_EdictSet_f
1250
1251 Console command to set a field of a specified edict
1252 =============
1253 */
1254 void PRVM_ED_EdictSet_f(void)
1255 {
1256         prvm_edict_t *ed;
1257         ddef_t *key;
1258
1259         if(Cmd_Argc() != 5)
1260         {
1261                 Con_Print("prvm_edictset <program name> <edict number> <field> <value>\n");
1262                 return;
1263         }
1264
1265         PRVM_Begin;
1266         if(!PRVM_SetProgFromString(Cmd_Argv(1)))
1267         {
1268                 Con_Printf("Wrong program name %s !\n", Cmd_Argv(1));
1269                 return;
1270         }
1271
1272         ed = PRVM_EDICT_NUM(atoi(Cmd_Argv(2)));
1273
1274         if((key = PRVM_ED_FindField(Cmd_Argv(3))) == 0)
1275                 Con_Printf("Key %s not found !\n", Cmd_Argv(3));
1276         else
1277                 PRVM_ED_ParseEpair(ed, key, Cmd_Argv(4), true);
1278
1279         PRVM_End;
1280 }
1281
1282 /*
1283 ====================
1284 PRVM_ED_ParseEdict
1285
1286 Parses an edict out of the given string, returning the new position
1287 ed should be a properly initialized empty edict.
1288 Used for initial level load and for savegames.
1289 ====================
1290 */
1291 const char *PRVM_ED_ParseEdict (const char *data, prvm_edict_t *ent)
1292 {
1293         ddef_t *key;
1294         qboolean anglehack;
1295         qboolean init;
1296         char keyname[256];
1297         size_t n;
1298
1299         init = false;
1300
1301 // go through all the dictionary pairs
1302         while (1)
1303         {
1304         // parse key
1305                 if (!COM_ParseToken_Simple(&data, false, false))
1306                         PRVM_ERROR ("PRVM_ED_ParseEdict: EOF without closing brace");
1307                 if (developer_entityparsing.integer)
1308                         Con_Printf("Key: \"%s\"", com_token);
1309                 if (com_token[0] == '}')
1310                         break;
1311
1312                 // anglehack is to allow QuakeEd to write single scalar angles
1313                 // and allow them to be turned into vectors. (FIXME...)
1314                 if (!strcmp(com_token, "angle"))
1315                 {
1316                         strlcpy (com_token, "angles", sizeof(com_token));
1317                         anglehack = true;
1318                 }
1319                 else
1320                         anglehack = false;
1321
1322                 // FIXME: change light to _light to get rid of this hack
1323                 if (!strcmp(com_token, "light"))
1324                         strlcpy (com_token, "light_lev", sizeof(com_token));    // hack for single light def
1325
1326                 strlcpy (keyname, com_token, sizeof(keyname));
1327
1328                 // another hack to fix keynames with trailing spaces
1329                 n = strlen(keyname);
1330                 while (n && keyname[n-1] == ' ')
1331                 {
1332                         keyname[n-1] = 0;
1333                         n--;
1334                 }
1335
1336         // parse value
1337                 if (!COM_ParseToken_Simple(&data, false, false))
1338                         PRVM_ERROR ("PRVM_ED_ParseEdict: EOF without closing brace");
1339                 if (developer_entityparsing.integer)
1340                         Con_Printf(" \"%s\"\n", com_token);
1341
1342                 if (com_token[0] == '}')
1343                         PRVM_ERROR ("PRVM_ED_ParseEdict: closing brace without data");
1344
1345                 init = true;
1346
1347                 // ignore attempts to set key "" (this problem occurs in nehahra neh1m8.bsp)
1348                 if (!keyname[0])
1349                         continue;
1350
1351 // keynames with a leading underscore are used for utility comments,
1352 // and are immediately discarded by quake
1353                 if (keyname[0] == '_')
1354                         continue;
1355
1356                 key = PRVM_ED_FindField (keyname);
1357                 if (!key)
1358                 {
1359                         Con_DPrintf("%s: '%s' is not a field\n", PRVM_NAME, keyname);
1360                         continue;
1361                 }
1362
1363                 if (anglehack)
1364                 {
1365                         char    temp[32];
1366                         strlcpy (temp, com_token, sizeof(temp));
1367                         dpsnprintf (com_token, sizeof(com_token), "0 %s 0", temp);
1368                 }
1369
1370                 if (!PRVM_ED_ParseEpair(ent, key, com_token, strcmp(keyname, "wad") != 0))
1371                         PRVM_ERROR ("PRVM_ED_ParseEdict: parse error");
1372         }
1373
1374         if (!init)
1375                 ent->priv.required->free = true;
1376
1377         return data;
1378 }
1379
1380
1381 /*
1382 ================
1383 PRVM_ED_LoadFromFile
1384
1385 The entities are directly placed in the array, rather than allocated with
1386 PRVM_ED_Alloc, because otherwise an error loading the map would have entity
1387 number references out of order.
1388
1389 Creates a server's entity / program execution context by
1390 parsing textual entity definitions out of an ent file.
1391
1392 Used for both fresh maps and savegame loads.  A fresh map would also need
1393 to call PRVM_ED_CallSpawnFunctions () to let the objects initialize themselves.
1394 ================
1395 */
1396 void PRVM_ED_LoadFromFile (const char *data)
1397 {
1398         prvm_edict_t *ent;
1399         int parsed, inhibited, spawned, died;
1400         const char *funcname;
1401         mfunction_t *func;
1402
1403         parsed = 0;
1404         inhibited = 0;
1405         spawned = 0;
1406         died = 0;
1407
1408
1409 // parse ents
1410         while (1)
1411         {
1412 // parse the opening brace
1413                 if (!COM_ParseToken_Simple(&data, false, false))
1414                         break;
1415                 if (com_token[0] != '{')
1416                         PRVM_ERROR ("PRVM_ED_LoadFromFile: %s: found %s when expecting {", PRVM_NAME, com_token);
1417
1418                 // CHANGED: this is not conform to PR_LoadFromFile
1419                 if(prog->loadintoworld)
1420                 {
1421                         prog->loadintoworld = false;
1422                         ent = PRVM_EDICT_NUM(0);
1423                 }
1424                 else
1425                         ent = PRVM_ED_Alloc();
1426
1427                 // clear it
1428                 if (ent != prog->edicts)        // hack
1429                         memset (ent->fields.vp, 0, prog->progs->entityfields * 4);
1430
1431                 data = PRVM_ED_ParseEdict (data, ent);
1432                 parsed++;
1433
1434                 // remove the entity ?
1435                 if(prog->load_edict && !prog->load_edict(ent))
1436                 {
1437                         PRVM_ED_Free(ent);
1438                         inhibited++;
1439                         continue;
1440                 }
1441
1442                 if (prog->funcoffsets.SV_OnEntityPreSpawnFunction)
1443                 {
1444                         // self = ent
1445                         PRVM_GLOBALFIELDVALUE(prog->globaloffsets.self)->edict = PRVM_EDICT_TO_PROG(ent);
1446                         PRVM_ExecuteProgram (prog->funcoffsets.SV_OnEntityPreSpawnFunction, "QC function SV_OnEntityPreSpawnFunction is missing");
1447                 }
1448
1449                 if(ent->priv.required->free)
1450                 {
1451                         inhibited++;
1452                         continue;
1453                 }
1454
1455 //
1456 // immediately call spawn function, but only if there is a self global and a classname
1457 //
1458                 if(!ent->priv.required->free)
1459                 if(prog->globaloffsets.self >= 0 && prog->fieldoffsets.classname >= 0)
1460                 {
1461                         string_t handle =  PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.classname)->string;
1462                         if (!handle)
1463                         {
1464                                 Con_Print("No classname for:\n");
1465                                 PRVM_ED_Print(ent, NULL);
1466                                 PRVM_ED_Free (ent);
1467                                 continue;
1468                         }
1469
1470                         // look for the spawn function
1471                         funcname = PRVM_GetString(handle);
1472                         func = PRVM_ED_FindFunction (va("spawnfunc_%s", funcname));
1473                         if(!func)
1474                                 if(prog->globaloffsets.require_spawnfunc_prefix < 0)
1475                                         func = PRVM_ED_FindFunction (funcname);
1476
1477                         if (!func)
1478                         {
1479                                 // check for OnEntityNoSpawnFunction
1480                                 if (prog->funcoffsets.SV_OnEntityNoSpawnFunction)
1481                                 {
1482                                         // self = ent
1483                                         PRVM_GLOBALFIELDVALUE(prog->globaloffsets.self)->edict = PRVM_EDICT_TO_PROG(ent);
1484                                         PRVM_ExecuteProgram (prog->funcoffsets.SV_OnEntityNoSpawnFunction, "QC function SV_OnEntityNoSpawnFunction is missing");
1485                                 }
1486                                 else
1487                                 {
1488                                         if (developer.integer) // don't confuse non-developers with errors
1489                                         {
1490                                                 Con_Print("No spawn function for:\n");
1491                                                 PRVM_ED_Print(ent, NULL);
1492                                         }
1493                                         PRVM_ED_Free (ent);
1494                                         continue; // not included in "inhibited" count
1495                                 }
1496                         }
1497                         else
1498                         {
1499                                 // self = ent
1500                                 PRVM_GLOBALFIELDVALUE(prog->globaloffsets.self)->edict = PRVM_EDICT_TO_PROG(ent);
1501                                 PRVM_ExecuteProgram (func - prog->functions, "");
1502                         }
1503                 }
1504
1505                 if(!ent->priv.required->free)
1506                 if (prog->funcoffsets.SV_OnEntityPostSpawnFunction)
1507                 {
1508                         // self = ent
1509                         PRVM_GLOBALFIELDVALUE(prog->globaloffsets.self)->edict = PRVM_EDICT_TO_PROG(ent);
1510                         PRVM_ExecuteProgram (prog->funcoffsets.SV_OnEntityPostSpawnFunction, "QC function SV_OnEntityPostSpawnFunction is missing");
1511                 }
1512
1513                 spawned++;
1514                 if (ent->priv.required->free)
1515                         died++;
1516         }
1517
1518         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);
1519 }
1520
1521 void PRVM_FindOffsets(void)
1522 {
1523         // field and global searches use -1 for NULL
1524         memset(&prog->fieldoffsets, -1, sizeof(prog->fieldoffsets));
1525         memset(&prog->globaloffsets, -1, sizeof(prog->globaloffsets));
1526         // functions use 0 for NULL
1527         memset(&prog->funcoffsets, 0, sizeof(prog->funcoffsets));
1528
1529         // server and client qc use a lot of similar fields, so this is combined
1530         prog->fieldoffsets.SendEntity                     = PRVM_ED_FindFieldOffset("SendEntity");
1531         prog->fieldoffsets.SendFlags                      = PRVM_ED_FindFieldOffset("SendFlags");
1532         prog->fieldoffsets.Version                        = PRVM_ED_FindFieldOffset("Version");
1533         prog->fieldoffsets.alpha                          = PRVM_ED_FindFieldOffset("alpha");
1534         prog->fieldoffsets.ammo_cells1                    = PRVM_ED_FindFieldOffset("ammo_cells1");
1535         prog->fieldoffsets.ammo_lava_nails                = PRVM_ED_FindFieldOffset("ammo_lava_nails");
1536         prog->fieldoffsets.ammo_multi_rockets             = PRVM_ED_FindFieldOffset("ammo_multi_rockets");
1537         prog->fieldoffsets.ammo_nails1                    = PRVM_ED_FindFieldOffset("ammo_nails1");
1538         prog->fieldoffsets.ammo_plasma                    = PRVM_ED_FindFieldOffset("ammo_plasma");
1539         prog->fieldoffsets.ammo_rockets1                  = PRVM_ED_FindFieldOffset("ammo_rockets1");
1540         prog->fieldoffsets.ammo_shells1                   = PRVM_ED_FindFieldOffset("ammo_shells1");
1541         prog->fieldoffsets.angles                         = PRVM_ED_FindFieldOffset("angles");
1542         prog->fieldoffsets.button3                        = PRVM_ED_FindFieldOffset("button3");
1543         prog->fieldoffsets.button4                        = PRVM_ED_FindFieldOffset("button4");
1544         prog->fieldoffsets.button5                        = PRVM_ED_FindFieldOffset("button5");
1545         prog->fieldoffsets.button6                        = PRVM_ED_FindFieldOffset("button6");
1546         prog->fieldoffsets.button7                        = PRVM_ED_FindFieldOffset("button7");
1547         prog->fieldoffsets.button8                        = PRVM_ED_FindFieldOffset("button8");
1548         prog->fieldoffsets.button9                        = PRVM_ED_FindFieldOffset("button9");
1549         prog->fieldoffsets.button10                       = PRVM_ED_FindFieldOffset("button10");
1550         prog->fieldoffsets.button11                       = PRVM_ED_FindFieldOffset("button11");
1551         prog->fieldoffsets.button12                       = PRVM_ED_FindFieldOffset("button12");
1552         prog->fieldoffsets.button13                       = PRVM_ED_FindFieldOffset("button13");
1553         prog->fieldoffsets.button14                       = PRVM_ED_FindFieldOffset("button14");
1554         prog->fieldoffsets.button15                       = PRVM_ED_FindFieldOffset("button15");
1555         prog->fieldoffsets.button16                       = PRVM_ED_FindFieldOffset("button16");
1556         prog->fieldoffsets.buttonchat                     = PRVM_ED_FindFieldOffset("buttonchat");
1557         prog->fieldoffsets.buttonuse                      = PRVM_ED_FindFieldOffset("buttonuse");
1558         prog->fieldoffsets.chain                          = PRVM_ED_FindFieldOffset("chain");
1559         prog->fieldoffsets.classname                      = PRVM_ED_FindFieldOffset("classname");
1560         prog->fieldoffsets.clientcamera                   = PRVM_ED_FindFieldOffset("clientcamera");
1561         prog->fieldoffsets.clientcolors                   = PRVM_ED_FindFieldOffset("clientcolors");
1562         prog->fieldoffsets.clientstatus                   = PRVM_ED_FindFieldOffset("clientstatus");
1563         prog->fieldoffsets.color                          = PRVM_ED_FindFieldOffset("color");
1564         prog->fieldoffsets.colormod                       = PRVM_ED_FindFieldOffset("colormod");
1565         prog->fieldoffsets.contentstransition             = PRVM_ED_FindFieldOffset("contentstransition");
1566         prog->fieldoffsets.cursor_active                  = PRVM_ED_FindFieldOffset("cursor_active");
1567         prog->fieldoffsets.cursor_screen                  = PRVM_ED_FindFieldOffset("cursor_screen");
1568         prog->fieldoffsets.cursor_trace_endpos            = PRVM_ED_FindFieldOffset("cursor_trace_endpos");
1569         prog->fieldoffsets.cursor_trace_ent               = PRVM_ED_FindFieldOffset("cursor_trace_ent");
1570         prog->fieldoffsets.cursor_trace_start             = PRVM_ED_FindFieldOffset("cursor_trace_start");
1571         prog->fieldoffsets.customizeentityforclient       = PRVM_ED_FindFieldOffset("customizeentityforclient");
1572         prog->fieldoffsets.dimension_hit                  = PRVM_ED_FindFieldOffset("dimension_hit");
1573         prog->fieldoffsets.dimension_solid                = PRVM_ED_FindFieldOffset("dimension_solid");
1574         prog->fieldoffsets.disableclientprediction        = PRVM_ED_FindFieldOffset("disableclientprediction");
1575         prog->fieldoffsets.dphitcontentsmask              = PRVM_ED_FindFieldOffset("dphitcontentsmask");
1576         prog->fieldoffsets.drawonlytoclient               = PRVM_ED_FindFieldOffset("drawonlytoclient");
1577         prog->fieldoffsets.exteriormodeltoclient          = PRVM_ED_FindFieldOffset("exteriormodeltoclient");
1578         prog->fieldoffsets.fatness                        = PRVM_ED_FindFieldOffset("fatness");
1579         prog->fieldoffsets.forceshader                    = PRVM_ED_FindFieldOffset("forceshader");
1580         prog->fieldoffsets.frame                          = PRVM_ED_FindFieldOffset("frame");
1581         prog->fieldoffsets.frame1time                     = PRVM_ED_FindFieldOffset("frame1time");
1582         prog->fieldoffsets.frame2                         = PRVM_ED_FindFieldOffset("frame2");
1583         prog->fieldoffsets.frame2time                     = PRVM_ED_FindFieldOffset("frame2time");
1584         prog->fieldoffsets.frame3                         = PRVM_ED_FindFieldOffset("frame3");
1585         prog->fieldoffsets.frame3time                     = PRVM_ED_FindFieldOffset("frame3time");
1586         prog->fieldoffsets.frame4                         = PRVM_ED_FindFieldOffset("frame4");
1587         prog->fieldoffsets.frame4time                     = PRVM_ED_FindFieldOffset("frame4time");
1588         prog->fieldoffsets.fullbright                     = PRVM_ED_FindFieldOffset("fullbright");
1589         prog->fieldoffsets.glow_color                     = PRVM_ED_FindFieldOffset("glow_color");
1590         prog->fieldoffsets.glow_size                      = PRVM_ED_FindFieldOffset("glow_size");
1591         prog->fieldoffsets.glow_trail                     = PRVM_ED_FindFieldOffset("glow_trail");
1592         prog->fieldoffsets.glowmod                        = PRVM_ED_FindFieldOffset("glowmod");
1593         prog->fieldoffsets.gravity                        = PRVM_ED_FindFieldOffset("gravity");
1594         prog->fieldoffsets.groundentity                   = PRVM_ED_FindFieldOffset("groundentity");
1595         prog->fieldoffsets.hull                           = PRVM_ED_FindFieldOffset("hull");
1596         prog->fieldoffsets.ideal_yaw                      = PRVM_ED_FindFieldOffset("ideal_yaw");
1597         prog->fieldoffsets.idealpitch                     = PRVM_ED_FindFieldOffset("idealpitch");
1598         prog->fieldoffsets.items2                         = PRVM_ED_FindFieldOffset("items2");
1599         prog->fieldoffsets.lerpfrac                       = PRVM_ED_FindFieldOffset("lerpfrac");
1600         prog->fieldoffsets.lerpfrac3                      = PRVM_ED_FindFieldOffset("lerpfrac3");
1601         prog->fieldoffsets.lerpfrac4                      = PRVM_ED_FindFieldOffset("lerpfrac4");
1602         prog->fieldoffsets.light_lev                      = PRVM_ED_FindFieldOffset("light_lev");
1603         prog->fieldoffsets.message                        = PRVM_ED_FindFieldOffset("message");
1604         prog->fieldoffsets.modelflags                     = PRVM_ED_FindFieldOffset("modelflags");
1605         prog->fieldoffsets.movement                       = PRVM_ED_FindFieldOffset("movement");
1606         prog->fieldoffsets.movetypesteplandevent          = PRVM_ED_FindFieldOffset("movetypesteplandevent");
1607         prog->fieldoffsets.netaddress                     = PRVM_ED_FindFieldOffset("netaddress");
1608         prog->fieldoffsets.nextthink                      = PRVM_ED_FindFieldOffset("nextthink");
1609         prog->fieldoffsets.nodrawtoclient                 = PRVM_ED_FindFieldOffset("nodrawtoclient");
1610         prog->fieldoffsets.pflags                         = PRVM_ED_FindFieldOffset("pflags");
1611         prog->fieldoffsets.ping                           = PRVM_ED_FindFieldOffset("ping");
1612         prog->fieldoffsets.pitch_speed                    = PRVM_ED_FindFieldOffset("pitch_speed");
1613         prog->fieldoffsets.playermodel                    = PRVM_ED_FindFieldOffset("playermodel");
1614         prog->fieldoffsets.playerskin                     = PRVM_ED_FindFieldOffset("playerskin");
1615         prog->fieldoffsets.pmodel                         = PRVM_ED_FindFieldOffset("pmodel");
1616         prog->fieldoffsets.punchvector                    = PRVM_ED_FindFieldOffset("punchvector");
1617         prog->fieldoffsets.renderamt                      = PRVM_ED_FindFieldOffset("renderamt"); // HalfLife support
1618         prog->fieldoffsets.renderflags                    = PRVM_ED_FindFieldOffset("renderflags");
1619         prog->fieldoffsets.rendermode                     = PRVM_ED_FindFieldOffset("rendermode"); // HalfLife support
1620         prog->fieldoffsets.scale                          = PRVM_ED_FindFieldOffset("scale");
1621         prog->fieldoffsets.shadertime                     = PRVM_ED_FindFieldOffset("shadertime");
1622         prog->fieldoffsets.skeletonindex                  = PRVM_ED_FindFieldOffset("skeletonindex");
1623         prog->fieldoffsets.style                          = PRVM_ED_FindFieldOffset("style");
1624         prog->fieldoffsets.tag_entity                     = PRVM_ED_FindFieldOffset("tag_entity");
1625         prog->fieldoffsets.tag_index                      = PRVM_ED_FindFieldOffset("tag_index");
1626         prog->fieldoffsets.think                          = PRVM_ED_FindFieldOffset("think");
1627         prog->fieldoffsets.viewmodelforclient             = PRVM_ED_FindFieldOffset("viewmodelforclient");
1628         prog->fieldoffsets.viewzoom                       = PRVM_ED_FindFieldOffset("viewzoom");
1629         prog->fieldoffsets.yaw_speed                      = PRVM_ED_FindFieldOffset("yaw_speed");
1630         prog->fieldoffsets.bouncefactor                   = PRVM_ED_FindFieldOffset("bouncefactor");
1631         prog->fieldoffsets.bouncestop                     = PRVM_ED_FindFieldOffset("bouncestop");
1632
1633         prog->fieldoffsets.solid                          = PRVM_ED_FindFieldOffset("solid");
1634         prog->fieldoffsets.movetype                       = PRVM_ED_FindFieldOffset("movetype");
1635         prog->fieldoffsets.modelindex                     = PRVM_ED_FindFieldOffset("modelindex");
1636         prog->fieldoffsets.mins                           = PRVM_ED_FindFieldOffset("mins");
1637         prog->fieldoffsets.maxs                           = PRVM_ED_FindFieldOffset("maxs");
1638         prog->fieldoffsets.mass                           = PRVM_ED_FindFieldOffset("mass");
1639         prog->fieldoffsets.origin                         = PRVM_ED_FindFieldOffset("origin");
1640         prog->fieldoffsets.velocity                       = PRVM_ED_FindFieldOffset("velocity");
1641         //prog->fieldoffsets.axis_forward                   = PRVM_ED_FindFieldOffset("axis_forward");
1642         //prog->fieldoffsets.axis_left                      = PRVM_ED_FindFieldOffset("axis_left");
1643         //prog->fieldoffsets.axis_up                        = PRVM_ED_FindFieldOffset("axis_up");
1644         //prog->fieldoffsets.spinvelocity                   = PRVM_ED_FindFieldOffset("spinvelocity");
1645         prog->fieldoffsets.angles                         = PRVM_ED_FindFieldOffset("angles");
1646         prog->fieldoffsets.avelocity                      = PRVM_ED_FindFieldOffset("avelocity");
1647         prog->fieldoffsets.aiment                         = PRVM_ED_FindFieldOffset("aiment");
1648         prog->fieldoffsets.enemy                          = PRVM_ED_FindFieldOffset("enemy");
1649         prog->fieldoffsets.jointtype                      = PRVM_ED_FindFieldOffset("jointtype");
1650         prog->fieldoffsets.movedir                        = PRVM_ED_FindFieldOffset("movedir");
1651
1652         prog->funcoffsets.CSQC_ConsoleCommand             = PRVM_ED_FindFunctionOffset("CSQC_ConsoleCommand");
1653         prog->funcoffsets.CSQC_Ent_Remove                 = PRVM_ED_FindFunctionOffset("CSQC_Ent_Remove");
1654         prog->funcoffsets.CSQC_Ent_Spawn                  = PRVM_ED_FindFunctionOffset("CSQC_Ent_Spawn");
1655         prog->funcoffsets.CSQC_Ent_Update                 = PRVM_ED_FindFunctionOffset("CSQC_Ent_Update");
1656         prog->funcoffsets.CSQC_Event                      = PRVM_ED_FindFunctionOffset("CSQC_Event");
1657         prog->funcoffsets.CSQC_Event_Sound                = PRVM_ED_FindFunctionOffset("CSQC_Event_Sound");
1658         prog->funcoffsets.CSQC_Init                       = PRVM_ED_FindFunctionOffset("CSQC_Init");
1659         prog->funcoffsets.CSQC_InputEvent                 = PRVM_ED_FindFunctionOffset("CSQC_InputEvent");
1660         prog->funcoffsets.CSQC_Parse_CenterPrint          = PRVM_ED_FindFunctionOffset("CSQC_Parse_CenterPrint");
1661         prog->funcoffsets.CSQC_Parse_Print                = PRVM_ED_FindFunctionOffset("CSQC_Parse_Print");
1662         prog->funcoffsets.CSQC_Parse_StuffCmd             = PRVM_ED_FindFunctionOffset("CSQC_Parse_StuffCmd");
1663         prog->funcoffsets.CSQC_Parse_TempEntity           = PRVM_ED_FindFunctionOffset("CSQC_Parse_TempEntity");
1664         prog->funcoffsets.CSQC_Shutdown                   = PRVM_ED_FindFunctionOffset("CSQC_Shutdown");
1665         prog->funcoffsets.CSQC_UpdateView                 = PRVM_ED_FindFunctionOffset("CSQC_UpdateView");
1666         prog->funcoffsets.EndFrame                        = PRVM_ED_FindFunctionOffset("EndFrame");
1667         prog->funcoffsets.GameCommand                     = PRVM_ED_FindFunctionOffset("GameCommand");
1668         prog->funcoffsets.Gecko_Query                     = PRVM_ED_FindFunctionOffset("Gecko_Query");
1669         prog->funcoffsets.RestoreGame                     = PRVM_ED_FindFunctionOffset("RestoreGame");
1670         prog->funcoffsets.SV_ChangeTeam                   = PRVM_ED_FindFunctionOffset("SV_ChangeTeam");
1671         prog->funcoffsets.SV_OnEntityNoSpawnFunction      = PRVM_ED_FindFunctionOffset("SV_OnEntityNoSpawnFunction");
1672         prog->funcoffsets.SV_OnEntityPostSpawnFunction    = PRVM_ED_FindFunctionOffset("SV_OnEntityPostSpawnFunction");
1673         prog->funcoffsets.SV_OnEntityPreSpawnFunction     = PRVM_ED_FindFunctionOffset("SV_OnEntityPreSpawnFunction");
1674         prog->funcoffsets.SV_ParseClientCommand           = PRVM_ED_FindFunctionOffset("SV_ParseClientCommand");
1675         prog->funcoffsets.SV_PausedTic                    = PRVM_ED_FindFunctionOffset("SV_PausedTic");
1676         prog->funcoffsets.SV_PlayerPhysics                = PRVM_ED_FindFunctionOffset("SV_PlayerPhysics");
1677         prog->funcoffsets.SV_Shutdown                     = PRVM_ED_FindFunctionOffset("SV_Shutdown");
1678         prog->funcoffsets.URI_Get_Callback                = PRVM_ED_FindFunctionOffset("URI_Get_Callback");
1679         prog->globaloffsets.SV_InitCmd                    = PRVM_ED_FindGlobalOffset("SV_InitCmd");
1680         prog->globaloffsets.coop                          = PRVM_ED_FindGlobalOffset("coop");
1681         prog->globaloffsets.deathmatch                    = PRVM_ED_FindGlobalOffset("deathmatch");
1682         prog->globaloffsets.dmg_origin                    = PRVM_ED_FindGlobalOffset("dmg_origin");
1683         prog->globaloffsets.dmg_save                      = PRVM_ED_FindGlobalOffset("dmg_save");
1684         prog->globaloffsets.dmg_take                      = PRVM_ED_FindGlobalOffset("dmg_take");
1685         prog->globaloffsets.drawfont                      = PRVM_ED_FindGlobalOffset("drawfont");
1686         prog->globaloffsets.gettaginfo_forward            = PRVM_ED_FindGlobalOffset("gettaginfo_forward");
1687         prog->globaloffsets.gettaginfo_name               = PRVM_ED_FindGlobalOffset("gettaginfo_name");
1688         prog->globaloffsets.gettaginfo_offset             = PRVM_ED_FindGlobalOffset("gettaginfo_offset");
1689         prog->globaloffsets.gettaginfo_parent             = PRVM_ED_FindGlobalOffset("gettaginfo_parent");
1690         prog->globaloffsets.gettaginfo_right              = PRVM_ED_FindGlobalOffset("gettaginfo_right");
1691         prog->globaloffsets.gettaginfo_up                 = PRVM_ED_FindGlobalOffset("gettaginfo_up");
1692         prog->globaloffsets.transparent_offset            = PRVM_ED_FindGlobalOffset("transparent_offset");
1693         prog->globaloffsets.intermission                  = PRVM_ED_FindGlobalOffset("intermission");
1694         prog->globaloffsets.require_spawnfunc_prefix      = PRVM_ED_FindGlobalOffset("require_spawnfunc_prefix");
1695         prog->globaloffsets.sb_showscores                 = PRVM_ED_FindGlobalOffset("sb_showscores");
1696         prog->globaloffsets.self                          = PRVM_ED_FindGlobalOffset("self");
1697         prog->globaloffsets.serverdeltatime               = PRVM_ED_FindGlobalOffset("serverdeltatime");
1698         prog->globaloffsets.serverprevtime                = PRVM_ED_FindGlobalOffset("serverprevtime");
1699         prog->globaloffsets.servertime                    = PRVM_ED_FindGlobalOffset("servertime");
1700         prog->globaloffsets.time                          = PRVM_ED_FindGlobalOffset("time");
1701         prog->globaloffsets.trace_allsolid                = PRVM_ED_FindGlobalOffset("trace_allsolid");
1702         prog->globaloffsets.trace_dphitcontents           = PRVM_ED_FindGlobalOffset("trace_dphitcontents");
1703         prog->globaloffsets.trace_dphitq3surfaceflags     = PRVM_ED_FindGlobalOffset("trace_dphitq3surfaceflags");
1704         prog->globaloffsets.trace_dphittexturename        = PRVM_ED_FindGlobalOffset("trace_dphittexturename");
1705         prog->globaloffsets.trace_dpstartcontents         = PRVM_ED_FindGlobalOffset("trace_dpstartcontents");
1706         prog->globaloffsets.trace_endpos                  = PRVM_ED_FindGlobalOffset("trace_endpos");
1707         prog->globaloffsets.trace_ent                     = PRVM_ED_FindGlobalOffset("trace_ent");
1708         prog->globaloffsets.trace_fraction                = PRVM_ED_FindGlobalOffset("trace_fraction");
1709         prog->globaloffsets.trace_inopen                  = PRVM_ED_FindGlobalOffset("trace_inopen");
1710         prog->globaloffsets.trace_inwater                 = PRVM_ED_FindGlobalOffset("trace_inwater");
1711         prog->globaloffsets.trace_networkentity           = PRVM_ED_FindGlobalOffset("trace_networkentity");
1712         prog->globaloffsets.trace_plane_dist              = PRVM_ED_FindGlobalOffset("trace_plane_dist");
1713         prog->globaloffsets.trace_plane_normal            = PRVM_ED_FindGlobalOffset("trace_plane_normal");
1714         prog->globaloffsets.trace_startsolid              = PRVM_ED_FindGlobalOffset("trace_startsolid");
1715         prog->globaloffsets.v_forward                     = PRVM_ED_FindGlobalOffset("v_forward");
1716         prog->globaloffsets.v_right                       = PRVM_ED_FindGlobalOffset("v_right");
1717         prog->globaloffsets.v_up                          = PRVM_ED_FindGlobalOffset("v_up");
1718         prog->globaloffsets.view_angles                   = PRVM_ED_FindGlobalOffset("view_angles");
1719         prog->globaloffsets.worldstatus                   = PRVM_ED_FindGlobalOffset("worldstatus");
1720
1721         // menu qc only uses some functions, nothing else
1722         prog->funcoffsets.m_draw                          = PRVM_ED_FindFunctionOffset("m_draw");
1723         prog->funcoffsets.m_init                          = PRVM_ED_FindFunctionOffset("m_init");
1724         prog->funcoffsets.m_keydown                       = PRVM_ED_FindFunctionOffset("m_keydown");
1725         prog->funcoffsets.m_keyup                         = PRVM_ED_FindFunctionOffset("m_keyup");
1726         prog->funcoffsets.m_shutdown                      = PRVM_ED_FindFunctionOffset("m_shutdown");
1727         prog->funcoffsets.m_toggle                        = PRVM_ED_FindFunctionOffset("m_toggle");
1728 }
1729
1730 // not used
1731 /*
1732 typedef struct dpfield_s
1733 {
1734         int type;
1735         char *string;
1736 }
1737 dpfield_t;
1738
1739 #define DPFIELDS (sizeof(dpfields) / sizeof(dpfield_t))
1740
1741 dpfield_t dpfields[] =
1742 {
1743 };
1744 */
1745
1746 /*
1747 ===============
1748 PRVM_ResetProg
1749 ===============
1750 */
1751
1752 void PRVM_LeakTest(void);
1753 void PRVM_ResetProg(void)
1754 {
1755         PRVM_LeakTest();
1756         PRVM_GCALL(reset_cmd)();
1757         Mem_FreePool(&prog->progs_mempool);
1758         memset(prog,0,sizeof(prvm_prog_t));
1759         prog->starttime = Sys_DoubleTime();
1760 }
1761
1762 /*
1763 ===============
1764 PRVM_LoadLNO
1765 ===============
1766 */
1767 void PRVM_LoadLNO( const char *progname ) {
1768         fs_offset_t filesize;
1769         unsigned char *lno;
1770         unsigned int *header;
1771         char filename[512];
1772
1773         FS_StripExtension( progname, filename, sizeof( filename ) );
1774         strlcat( filename, ".lno", sizeof( filename ) );
1775
1776         lno = FS_LoadFile( filename, tempmempool, false, &filesize );
1777         if( !lno ) {
1778                 return;
1779         }
1780
1781 /*
1782 <Spike>    SafeWrite (h, &lnotype, sizeof(int));
1783 <Spike>    SafeWrite (h, &version, sizeof(int));
1784 <Spike>    SafeWrite (h, &numglobaldefs, sizeof(int));
1785 <Spike>    SafeWrite (h, &numpr_globals, sizeof(int));
1786 <Spike>    SafeWrite (h, &numfielddefs, sizeof(int));
1787 <Spike>    SafeWrite (h, &numstatements, sizeof(int));
1788 <Spike>    SafeWrite (h, statement_linenums, numstatements*sizeof(int));
1789 */
1790         if( (unsigned) filesize < (6 + prog->progs->numstatements) * sizeof( int ) ) {
1791                 Mem_Free(lno);
1792                 return;
1793         }
1794
1795         header = (unsigned int *) lno;
1796         if( header[ 0 ] == *(unsigned int *) "LNOF" &&
1797                 LittleLong( header[ 1 ] ) == 1 &&
1798                 (unsigned int)LittleLong( header[ 2 ] ) == (unsigned int)prog->progs->numglobaldefs &&
1799                 (unsigned int)LittleLong( header[ 3 ] ) == (unsigned int)prog->progs->numglobals &&
1800                 (unsigned int)LittleLong( header[ 4 ] ) == (unsigned int)prog->progs->numfielddefs &&
1801                 (unsigned int)LittleLong( header[ 5 ] ) == (unsigned int)prog->progs->numstatements )
1802         {
1803                 prog->statement_linenums = (int *)Mem_Alloc(prog->progs_mempool, prog->progs->numstatements * sizeof( int ) );
1804                 memcpy( prog->statement_linenums, (int *) lno + 6, prog->progs->numstatements * sizeof( int ) );
1805         }
1806         Mem_Free( lno );
1807 }
1808
1809 /*
1810 ===============
1811 PRVM_LoadProgs
1812 ===============
1813 */
1814 void PRVM_LoadProgs (const char * filename, int numrequiredfunc, char **required_func, int numrequiredfields, prvm_required_field_t *required_field, int numrequiredglobals, char **required_global)
1815 {
1816         int i;
1817         dstatement_t *st;
1818         ddef_t *infielddefs;
1819         dfunction_t *dfunctions;
1820         fs_offset_t filesize;
1821
1822         if( prog->loaded ) {
1823                 PRVM_ERROR ("PRVM_LoadProgs: there is already a %s program loaded!", PRVM_NAME );
1824         }
1825
1826         prog->progs = (dprograms_t *)FS_LoadFile (filename, prog->progs_mempool, false, &filesize);
1827         if (prog->progs == NULL || filesize < (fs_offset_t)sizeof(dprograms_t))
1828                 PRVM_ERROR ("PRVM_LoadProgs: couldn't load %s for %s", filename, PRVM_NAME);
1829         // TODO bounds check header fields (e.g. numstatements), they must never go behind end of file
1830
1831         Con_DPrintf("%s programs occupy %iK.\n", PRVM_NAME, (int)(filesize/1024));
1832
1833         prog->filecrc = CRC_Block((unsigned char *)prog->progs, filesize);
1834
1835 // byte swap the header
1836         for (i = 0;i < (int) sizeof(*prog->progs) / 4;i++)
1837                 ((int *)prog->progs)[i] = LittleLong ( ((int *)prog->progs)[i] );
1838
1839         if (prog->progs->version != PROG_VERSION)
1840                 PRVM_ERROR ("%s: %s has wrong version number (%i should be %i)", PRVM_NAME, filename, prog->progs->version, PROG_VERSION);
1841         if (prog->progs->crc != prog->headercrc && prog->progs->crc != prog->headercrc2)
1842                 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);
1843
1844         //prog->functions = (dfunction_t *)((unsigned char *)progs + progs->ofs_functions);
1845         dfunctions = (dfunction_t *)((unsigned char *)prog->progs + prog->progs->ofs_functions);
1846
1847         if (prog->progs->ofs_strings + prog->progs->numstrings >= (int)filesize)
1848                 PRVM_ERROR ("%s: %s strings go past end of file", PRVM_NAME, filename);
1849         prog->strings = (char *)prog->progs + prog->progs->ofs_strings;
1850         prog->stringssize = prog->progs->numstrings;
1851
1852         prog->numknownstrings = 0;
1853         prog->maxknownstrings = 0;
1854         prog->knownstrings = NULL;
1855         prog->knownstrings_freeable = NULL;
1856
1857         Mem_ExpandableArray_NewArray(&prog->stringbuffersarray, prog->progs_mempool, sizeof(prvm_stringbuffer_t), 64);
1858
1859         prog->globaldefs = (ddef_t *)((unsigned char *)prog->progs + prog->progs->ofs_globaldefs);
1860
1861         // we need to expand the fielddefs list to include all the engine fields,
1862         // so allocate a new place for it
1863         infielddefs = (ddef_t *)((unsigned char *)prog->progs + prog->progs->ofs_fielddefs);
1864         //                                                                                              ( + DPFIELDS                       )
1865         prog->fielddefs = (ddef_t *)Mem_Alloc(prog->progs_mempool, (prog->progs->numfielddefs + numrequiredfields) * sizeof(ddef_t));
1866
1867         prog->statements = (dstatement_t *)((unsigned char *)prog->progs + prog->progs->ofs_statements);
1868
1869         prog->statement_profile = (double *)Mem_Alloc(prog->progs_mempool, prog->progs->numstatements * sizeof(*prog->statement_profile));
1870
1871         //pr_global_struct = (globalvars_t *)((unsigned char *)progs + progs->ofs_globals);
1872         prog->globals.generic = (float *)((unsigned char *)prog->progs + prog->progs->ofs_globals);
1873
1874 // byte swap the lumps
1875         for (i=0 ; i<prog->progs->numstatements ; i++)
1876         {
1877                 prog->statements[i].op = LittleShort(prog->statements[i].op);
1878                 prog->statements[i].a = LittleShort(prog->statements[i].a);
1879                 prog->statements[i].b = LittleShort(prog->statements[i].b);
1880                 prog->statements[i].c = LittleShort(prog->statements[i].c);
1881         }
1882
1883         prog->functions = (mfunction_t *)Mem_Alloc(prog->progs_mempool, sizeof(mfunction_t) * prog->progs->numfunctions);
1884         for (i = 0;i < prog->progs->numfunctions;i++)
1885         {
1886                 prog->functions[i].first_statement = LittleLong (dfunctions[i].first_statement);
1887                 prog->functions[i].parm_start = LittleLong (dfunctions[i].parm_start);
1888                 prog->functions[i].s_name = LittleLong (dfunctions[i].s_name);
1889                 prog->functions[i].s_file = LittleLong (dfunctions[i].s_file);
1890                 prog->functions[i].numparms = LittleLong (dfunctions[i].numparms);
1891                 prog->functions[i].locals = LittleLong (dfunctions[i].locals);
1892                 memcpy(prog->functions[i].parm_size, dfunctions[i].parm_size, sizeof(dfunctions[i].parm_size));
1893                 if(prog->functions[i].first_statement >= prog->progs->numstatements)
1894                         PRVM_ERROR("PRVM_LoadProgs: out of bounds function statement (function %d) in %s", i, PRVM_NAME);
1895                 // TODO bounds check parm_start, s_name, s_file, numparms, locals, parm_size
1896         }
1897
1898         for (i=0 ; i<prog->progs->numglobaldefs ; i++)
1899         {
1900                 prog->globaldefs[i].type = LittleShort (prog->globaldefs[i].type);
1901                 prog->globaldefs[i].ofs = LittleShort (prog->globaldefs[i].ofs);
1902                 prog->globaldefs[i].s_name = LittleLong (prog->globaldefs[i].s_name);
1903                 // TODO bounds check ofs, s_name
1904         }
1905
1906         // copy the progs fields to the new fields list
1907         for (i = 0;i < prog->progs->numfielddefs;i++)
1908         {
1909                 prog->fielddefs[i].type = LittleShort (infielddefs[i].type);
1910                 if (prog->fielddefs[i].type & DEF_SAVEGLOBAL)
1911                         PRVM_ERROR ("PRVM_LoadProgs: prog->fielddefs[i].type & DEF_SAVEGLOBAL in %s", PRVM_NAME);
1912                 prog->fielddefs[i].ofs = LittleShort (infielddefs[i].ofs);
1913                 prog->fielddefs[i].s_name = LittleLong (infielddefs[i].s_name);
1914                 // TODO bounds check ofs, s_name
1915         }
1916
1917         // append the required fields
1918         for (i = 0;i < (int) numrequiredfields;i++)
1919         {
1920                 prog->fielddefs[prog->progs->numfielddefs].type = required_field[i].type;
1921                 prog->fielddefs[prog->progs->numfielddefs].ofs = prog->progs->entityfields;
1922                 prog->fielddefs[prog->progs->numfielddefs].s_name = PRVM_SetEngineString(required_field[i].name);
1923                 // TODO bounds check ofs, s_name
1924                 if (prog->fielddefs[prog->progs->numfielddefs].type == ev_vector)
1925                         prog->progs->entityfields += 3;
1926                 else
1927                         prog->progs->entityfields++;
1928                 prog->progs->numfielddefs++;
1929         }
1930         prog->entityfields = prog->progs->entityfields;
1931
1932         // check required functions
1933         for(i=0 ; i < numrequiredfunc ; i++)
1934                 if(PRVM_ED_FindFunction(required_func[i]) == 0)
1935                         PRVM_ERROR("%s: %s not found in %s",PRVM_NAME, required_func[i], filename);
1936
1937         // check required globals
1938         for(i=0 ; i < numrequiredglobals ; i++)
1939                 if(PRVM_ED_FindGlobal(required_global[i]) == 0)
1940                         PRVM_ERROR("%s: %s not found in %s",PRVM_NAME, required_global[i], filename);
1941
1942         for (i=0 ; i<prog->progs->numglobals ; i++)
1943                 ((int *)prog->globals.generic)[i] = LittleLong (((int *)prog->globals.generic)[i]);
1944
1945         // LordHavoc: bounds check anything static
1946         for (i = 0,st = prog->statements;i < prog->progs->numstatements;i++,st++)
1947         {
1948                 switch (st->op)
1949                 {
1950                 case OP_IF:
1951                 case OP_IFNOT:
1952                         if ((unsigned short) st->a >= prog->progs->numglobals || st->b + i < 0 || st->b + i >= prog->progs->numstatements)
1953                                 PRVM_ERROR("PRVM_LoadProgs: out of bounds IF/IFNOT (statement %d) in %s", i, PRVM_NAME);
1954                         break;
1955                 case OP_GOTO:
1956                         if (st->a + i < 0 || st->a + i >= prog->progs->numstatements)
1957                                 PRVM_ERROR("PRVM_LoadProgs: out of bounds GOTO (statement %d) in %s", i, PRVM_NAME);
1958                         break;
1959                 // global global global
1960                 case OP_ADD_F:
1961                 case OP_ADD_V:
1962                 case OP_SUB_F:
1963                 case OP_SUB_V:
1964                 case OP_MUL_F:
1965                 case OP_MUL_V:
1966                 case OP_MUL_FV:
1967                 case OP_MUL_VF:
1968                 case OP_DIV_F:
1969                 case OP_BITAND:
1970                 case OP_BITOR:
1971                 case OP_GE:
1972                 case OP_LE:
1973                 case OP_GT:
1974                 case OP_LT:
1975                 case OP_AND:
1976                 case OP_OR:
1977                 case OP_EQ_F:
1978                 case OP_EQ_V:
1979                 case OP_EQ_S:
1980                 case OP_EQ_E:
1981                 case OP_EQ_FNC:
1982                 case OP_NE_F:
1983                 case OP_NE_V:
1984                 case OP_NE_S:
1985                 case OP_NE_E:
1986                 case OP_NE_FNC:
1987                 case OP_ADDRESS:
1988                 case OP_LOAD_F:
1989                 case OP_LOAD_FLD:
1990                 case OP_LOAD_ENT:
1991                 case OP_LOAD_S:
1992                 case OP_LOAD_FNC:
1993                 case OP_LOAD_V:
1994                         if ((unsigned short) st->a >= prog->progs->numglobals || (unsigned short) st->b >= prog->progs->numglobals || (unsigned short) st->c >= prog->progs->numglobals)
1995                                 PRVM_ERROR("PRVM_LoadProgs: out of bounds global index (statement %d)", i);
1996                         break;
1997                 // global none global
1998                 case OP_NOT_F:
1999                 case OP_NOT_V:
2000                 case OP_NOT_S:
2001                 case OP_NOT_FNC:
2002                 case OP_NOT_ENT:
2003                         if ((unsigned short) st->a >= prog->progs->numglobals || (unsigned short) st->c >= prog->progs->numglobals)
2004                                 PRVM_ERROR("PRVM_LoadProgs: out of bounds global index (statement %d) in %s", i, PRVM_NAME);
2005                         break;
2006                 // 2 globals
2007                 case OP_STOREP_F:
2008                 case OP_STOREP_ENT:
2009                 case OP_STOREP_FLD:
2010                 case OP_STOREP_S:
2011                 case OP_STOREP_FNC:
2012                 case OP_STORE_F:
2013                 case OP_STORE_ENT:
2014                 case OP_STORE_FLD:
2015                 case OP_STORE_S:
2016                 case OP_STORE_FNC:
2017                 case OP_STATE:
2018                 case OP_STOREP_V:
2019                 case OP_STORE_V:
2020                         if ((unsigned short) st->a >= prog->progs->numglobals || (unsigned short) st->b >= prog->progs->numglobals)
2021                                 PRVM_ERROR("PRVM_LoadProgs: out of bounds global index (statement %d) in %s", i, PRVM_NAME);
2022                         break;
2023                 // 1 global
2024                 case OP_CALL0:
2025                 case OP_CALL1:
2026                 case OP_CALL2:
2027                 case OP_CALL3:
2028                 case OP_CALL4:
2029                 case OP_CALL5:
2030                 case OP_CALL6:
2031                 case OP_CALL7:
2032                 case OP_CALL8:
2033                 case OP_DONE:
2034                 case OP_RETURN:
2035                         if ((unsigned short) st->a >= prog->progs->numglobals)
2036                                 PRVM_ERROR("PRVM_LoadProgs: out of bounds global index (statement %d) in %s", i, PRVM_NAME);
2037                         break;
2038                 default:
2039                         Con_DPrintf("PRVM_LoadProgs: unknown opcode %d at statement %d in %s\n", st->op, i, PRVM_NAME);
2040                         break;
2041                 }
2042         }
2043         if(prog->progs->numstatements < 1)
2044         {
2045                 PRVM_ERROR("PRVM_LoadProgs: empty program in %s", PRVM_NAME);
2046         }
2047         else switch(prog->statements[prog->progs->numstatements - 1].op)
2048         {
2049                 case OP_RETURN:
2050                 case OP_GOTO:
2051                 case OP_DONE:
2052                         break;
2053                 default:
2054                         PRVM_ERROR("PRVM_LoadProgs: program may fall off the edge (does not end with RETURN, GOTO or DONE) in %s", PRVM_NAME);
2055                         break;
2056         }
2057
2058         PRVM_LoadLNO(filename);
2059
2060         PRVM_Init_Exec();
2061
2062         for (i=0 ; i<prog->progs->numglobaldefs ; i++)
2063         {
2064                 const char *name;
2065                 cvar_t *cvar;
2066                 name = PRVM_GetString(prog->globaldefs[i].s_name);
2067                 if(name
2068                         && !strncmp(name, "autocvar_", 9)
2069                         // && !(strlen(name) > 1 && name[strlen(name)-2] == '_' && (name[strlen(name)-1] == 'x' || name[strlen(name)-1] == 'y' || name[strlen(name)-1] == 'z'))
2070                 )
2071                 {
2072
2073                         cvar = Cvar_FindVar(name + 9);
2074                         if(!cvar)
2075                         {
2076                                 Con_Printf("PRVM_LoadProgs: no cvar for autocvar global %s in %s\n", name, PRVM_NAME);
2077                                 cvar = Cvar_Get(name + 9, "", 0, NULL);
2078                                 if(!cvar)
2079                                         PRVM_ERROR("PRVM_LoadProgs: could not create cvar for autocvar global %s in %s", name, PRVM_NAME);
2080                         }
2081                         if(cvar && ((cvar->flags & CVAR_PRIVATE) == 0))
2082                         {
2083                                 // MUST BE SYNCED WITH cvar.c Cvar_Set
2084                                 int j;
2085                                 const char *s;
2086                                 prvm_eval_t *val = (prvm_eval_t *)(prog->globals.generic + prog->globaldefs[i].ofs);
2087                                 switch(prog->globaldefs[i].type & ~DEF_SAVEGLOBAL)
2088                                 {
2089                                         case ev_float:
2090                                                 val->_float = cvar->value;
2091                                                 cvar->globaldefindex_progid[prog - prog_list] = prog->id;
2092                                                 cvar->globaldefindex[prog - prog_list] = i;
2093                                                 break;
2094                                         case ev_vector:
2095                                                 s = cvar->string;
2096                                                 VectorClear(val->vector);
2097                                                 for (j = 0;j < 3;j++)
2098                                                 {
2099                                                         while (*s && ISWHITESPACE(*s))
2100                                                                 s++;
2101                                                         if (!*s)
2102                                                                 break;
2103                                                         val->vector[j] = atof(s);
2104                                                         while (!ISWHITESPACE(*s))
2105                                                                 s++;
2106                                                         if (!*s)
2107                                                                 break;
2108                                                 }
2109                                                 cvar->globaldefindex_progid[prog - prog_list] = prog->id;
2110                                                 cvar->globaldefindex[prog - prog_list] = i;
2111                                                 break;
2112                                         case ev_string:
2113                                                 val->string = PRVM_SetEngineString(cvar->string);
2114                                                 cvar->globaldefindex_progid[prog - prog_list] = prog->id;
2115                                                 cvar->globaldefindex[prog - prog_list] = i;
2116                                                 cvar->globaldefindex_stringno[prog - prog_list] = val->string;
2117                                                 break;
2118                                         default:
2119                                                 Con_Printf("PRVM_LoadProgs: invalid type of autocvar global %s in %s\n", name, PRVM_NAME);
2120                                                 break;
2121                                 }
2122                         }
2123                         else
2124                                 Con_Printf("PRVM_LoadProgs: private cvar for autocvar global %s in %s\n", name, PRVM_NAME);
2125                 }
2126                 if((prog->globaldefs[i].type & ~DEF_SAVEGLOBAL) == ev_vector)
2127                         i += 3; // skip the _x _y _z floats
2128         }
2129
2130         prog->loaded = TRUE;
2131
2132         // set flags & ddef_ts in prog
2133
2134         prog->flag = 0;
2135
2136         PRVM_FindOffsets();
2137
2138         PRVM_GCALL(init_cmd)();
2139
2140         // init mempools
2141         PRVM_MEM_Alloc();
2142 }
2143
2144
2145 void PRVM_Fields_f (void)
2146 {
2147         int i, j, ednum, used, usedamount;
2148         int *counts;
2149         char tempstring[MAX_INPUTLINE], tempstring2[260];
2150         const char *name;
2151         prvm_edict_t *ed;
2152         ddef_t *d;
2153         int *v;
2154
2155         // TODO
2156         /*
2157         if (!sv.active)
2158         {
2159                 Con_Print("no progs loaded\n");
2160                 return;
2161         }
2162         */
2163
2164         if(Cmd_Argc() != 2)
2165         {
2166                 Con_Print("prvm_fields <program name>\n");
2167                 return;
2168         }
2169
2170         PRVM_Begin;
2171         if(!PRVM_SetProgFromString(Cmd_Argv(1)))
2172                 return;
2173
2174         counts = (int *)Mem_Alloc(tempmempool, prog->progs->numfielddefs * sizeof(int));
2175         for (ednum = 0;ednum < prog->max_edicts;ednum++)
2176         {
2177                 ed = PRVM_EDICT_NUM(ednum);
2178                 if (ed->priv.required->free)
2179                         continue;
2180                 for (i = 1;i < prog->progs->numfielddefs;i++)
2181                 {
2182                         d = &prog->fielddefs[i];
2183                         name = PRVM_GetString(d->s_name);
2184                         if (name[strlen(name)-2] == '_')
2185                                 continue;       // skip _x, _y, _z vars
2186                         v = (int *)(ed->fields.vp + d->ofs);
2187                         // if the value is still all 0, skip the field
2188                         for (j = 0;j < prvm_type_size[d->type & ~DEF_SAVEGLOBAL];j++)
2189                         {
2190                                 if (v[j])
2191                                 {
2192                                         counts[i]++;
2193                                         break;
2194                                 }
2195                         }
2196                 }
2197         }
2198         used = 0;
2199         usedamount = 0;
2200         tempstring[0] = 0;
2201         for (i = 0;i < prog->progs->numfielddefs;i++)
2202         {
2203                 d = &prog->fielddefs[i];
2204                 name = PRVM_GetString(d->s_name);
2205                 if (name[strlen(name)-2] == '_')
2206                         continue;       // skip _x, _y, _z vars
2207                 switch(d->type & ~DEF_SAVEGLOBAL)
2208                 {
2209                 case ev_string:
2210                         strlcat(tempstring, "string   ", sizeof(tempstring));
2211                         break;
2212                 case ev_entity:
2213                         strlcat(tempstring, "entity   ", sizeof(tempstring));
2214                         break;
2215                 case ev_function:
2216                         strlcat(tempstring, "function ", sizeof(tempstring));
2217                         break;
2218                 case ev_field:
2219                         strlcat(tempstring, "field    ", sizeof(tempstring));
2220                         break;
2221                 case ev_void:
2222                         strlcat(tempstring, "void     ", sizeof(tempstring));
2223                         break;
2224                 case ev_float:
2225                         strlcat(tempstring, "float    ", sizeof(tempstring));
2226                         break;
2227                 case ev_vector:
2228                         strlcat(tempstring, "vector   ", sizeof(tempstring));
2229                         break;
2230                 case ev_pointer:
2231                         strlcat(tempstring, "pointer  ", sizeof(tempstring));
2232                         break;
2233                 default:
2234                         dpsnprintf (tempstring2, sizeof(tempstring2), "bad type %i ", d->type & ~DEF_SAVEGLOBAL);
2235                         strlcat(tempstring, tempstring2, sizeof(tempstring));
2236                         break;
2237                 }
2238                 if (strlen(name) > sizeof(tempstring2)-4)
2239                 {
2240                         memcpy (tempstring2, name, sizeof(tempstring2)-4);
2241                         tempstring2[sizeof(tempstring2)-4] = tempstring2[sizeof(tempstring2)-3] = tempstring2[sizeof(tempstring2)-2] = '.';
2242                         tempstring2[sizeof(tempstring2)-1] = 0;
2243                         name = tempstring2;
2244                 }
2245                 strlcat(tempstring, name, sizeof(tempstring));
2246                 for (j = (int)strlen(name);j < 25;j++)
2247                         strlcat(tempstring, " ", sizeof(tempstring));
2248                 dpsnprintf(tempstring2, sizeof(tempstring2), "%5d", counts[i]);
2249                 strlcat(tempstring, tempstring2, sizeof(tempstring));
2250                 strlcat(tempstring, "\n", sizeof(tempstring));
2251                 if (strlen(tempstring) >= sizeof(tempstring)/2)
2252                 {
2253                         Con_Print(tempstring);
2254                         tempstring[0] = 0;
2255                 }
2256                 if (counts[i])
2257                 {
2258                         used++;
2259                         usedamount += prvm_type_size[d->type & ~DEF_SAVEGLOBAL];
2260                 }
2261         }
2262         Mem_Free(counts);
2263         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);
2264
2265         PRVM_End;
2266 }
2267
2268 void PRVM_Globals_f (void)
2269 {
2270         int i;
2271         const char *wildcard;
2272         int numculled;
2273                 numculled = 0;
2274         // TODO
2275         /*if (!sv.active)
2276         {
2277                 Con_Print("no progs loaded\n");
2278                 return;
2279         }*/
2280         if(Cmd_Argc () < 2 || Cmd_Argc() > 3)
2281         {
2282                 Con_Print("prvm_globals <program name> <optional name wildcard>\n");
2283                 return;
2284         }
2285
2286         PRVM_Begin;
2287         if(!PRVM_SetProgFromString (Cmd_Argv (1)))
2288                 return;
2289
2290         if( Cmd_Argc() == 3)
2291                 wildcard = Cmd_Argv(2);
2292         else
2293                 wildcard = NULL;
2294
2295         Con_Printf("%s :", PRVM_NAME);
2296
2297         for (i = 0;i < prog->progs->numglobaldefs;i++)
2298         {
2299                 if(wildcard)
2300                         if( !matchpattern( PRVM_GetString(prog->globaldefs[i].s_name), wildcard, 1) )
2301                         {
2302                                 numculled++;
2303                                 continue;
2304                         }
2305                 Con_Printf("%s\n", PRVM_GetString(prog->globaldefs[i].s_name));
2306         }
2307         Con_Printf("%i global variables, %i culled, totalling %i bytes\n", prog->progs->numglobals, numculled, prog->progs->numglobals * 4);
2308
2309         PRVM_End;
2310 }
2311
2312 /*
2313 ===============
2314 PRVM_Global
2315 ===============
2316 */
2317 void PRVM_Global_f(void)
2318 {
2319         ddef_t *global;
2320         if( Cmd_Argc() != 3 ) {
2321                 Con_Printf( "prvm_global <program name> <global name>\n" );
2322                 return;
2323         }
2324
2325         PRVM_Begin;
2326         if( !PRVM_SetProgFromString( Cmd_Argv(1) ) )
2327                 return;
2328
2329         global = PRVM_ED_FindGlobal( Cmd_Argv(2) );
2330         if( !global )
2331                 Con_Printf( "No global '%s' in %s!\n", Cmd_Argv(2), Cmd_Argv(1) );
2332         else
2333                 Con_Printf( "%s: %s\n", Cmd_Argv(2), PRVM_ValueString( (etype_t)global->type, (prvm_eval_t *) &prog->globals.generic[ global->ofs ] ) );
2334         PRVM_End;
2335 }
2336
2337 /*
2338 ===============
2339 PRVM_GlobalSet
2340 ===============
2341 */
2342 void PRVM_GlobalSet_f(void)
2343 {
2344         ddef_t *global;
2345         if( Cmd_Argc() != 4 ) {
2346                 Con_Printf( "prvm_globalset <program name> <global name> <value>\n" );
2347                 return;
2348         }
2349
2350         PRVM_Begin;
2351         if( !PRVM_SetProgFromString( Cmd_Argv(1) ) )
2352                 return;
2353
2354         global = PRVM_ED_FindGlobal( Cmd_Argv(2) );
2355         if( !global )
2356                 Con_Printf( "No global '%s' in %s!\n", Cmd_Argv(2), Cmd_Argv(1) );
2357         else
2358                 PRVM_ED_ParseEpair( NULL, global, Cmd_Argv(3), true );
2359         PRVM_End;
2360 }
2361
2362 /*
2363 ===============
2364 PRVM_Init
2365 ===============
2366 */
2367 void PRVM_Init (void)
2368 {
2369         Cmd_AddCommand ("prvm_edict", PRVM_ED_PrintEdict_f, "print all data about an entity number in the selected VM (server, client, menu)");
2370         Cmd_AddCommand ("prvm_edicts", PRVM_ED_PrintEdicts_f, "prints all data about all entities in the selected VM (server, client, menu)");
2371         Cmd_AddCommand ("prvm_edictcount", PRVM_ED_Count_f, "prints number of active entities in the selected VM (server, client, menu)");
2372         Cmd_AddCommand ("prvm_profile", PRVM_Profile_f, "prints execution statistics about the most used QuakeC functions in the selected VM (server, client, menu)");
2373         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");
2374         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)");
2375         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)");
2376         Cmd_AddCommand ("prvm_globals", PRVM_Globals_f, "prints all global variables in the selected VM (server, client, menu)");
2377         Cmd_AddCommand ("prvm_global", PRVM_Global_f, "prints value of a specified global variable in the selected VM (server, client, menu)");
2378         Cmd_AddCommand ("prvm_globalset", PRVM_GlobalSet_f, "sets value of a specified global variable in the selected VM (server, client, menu)");
2379         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)");
2380         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");
2381         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");
2382         Cmd_AddCommand ("prvm_printfunction", PRVM_PrintFunction_f, "prints a disassembly (QuakeC instructions) of the specified function in the selected VM (server, client, menu)");
2383         Cmd_AddCommand ("cl_cmd", PRVM_GameCommand_Client_f, "calls the client QC function GameCommand with the supplied string as argument");
2384         Cmd_AddCommand ("menu_cmd", PRVM_GameCommand_Menu_f, "calls the menu QC function GameCommand with the supplied string as argument");
2385         Cmd_AddCommand ("sv_cmd", PRVM_GameCommand_Server_f, "calls the server QC function GameCommand with the supplied string as argument");
2386
2387         // COMMANDLINEOPTION: PRVM: -noboundscheck disables the bounds checks (security hole if CSQC is in use!)
2388         prvm_boundscheck = !COM_CheckParm("-noboundscheck");
2389
2390         Cvar_RegisterVariable (&prvm_traceqc);
2391         Cvar_RegisterVariable (&prvm_statementprofiling);
2392         Cvar_RegisterVariable (&prvm_backtraceforwarnings);
2393         Cvar_RegisterVariable (&prvm_leaktest);
2394         Cvar_RegisterVariable (&prvm_leaktest_ignore_classnames);
2395         Cvar_RegisterVariable (&prvm_errordump);
2396         Cvar_RegisterVariable (&prvm_reuseedicts_startuptime);
2397         Cvar_RegisterVariable (&prvm_reuseedicts_neverinsameframe);
2398
2399         // COMMANDLINEOPTION: PRVM: -norunaway disables the runaway loop check (it might be impossible to exit DarkPlaces if used!)
2400         prvm_runawaycheck = !COM_CheckParm("-norunaway");
2401
2402         //VM_Cmd_Init();
2403 }
2404
2405 /*
2406 ===============
2407 PRVM_InitProg
2408 ===============
2409 */
2410 void PRVM_InitProg(int prognr)
2411 {
2412         static unsigned int progid = 0;
2413
2414         if(prognr < 0 || prognr >= PRVM_MAXPROGS)
2415                 Sys_Error("PRVM_InitProg: Invalid program number %i",prognr);
2416
2417         prog = &prog_list[prognr];
2418
2419         if(prog->loaded)
2420                 PRVM_ResetProg();
2421
2422         memset(prog, 0, sizeof(prvm_prog_t));
2423         prog->starttime = Sys_DoubleTime();
2424         prog->id = ++progid;
2425
2426         prog->error_cmd = Host_Error;
2427         prog->leaktest_active = prvm_leaktest.integer != 0;
2428 }
2429
2430 int PRVM_GetProgNr(void)
2431 {
2432         return prog - prog_list;
2433 }
2434
2435 void *_PRVM_Alloc(size_t buffersize, const char *filename, int fileline)
2436 {
2437         return _Mem_Alloc(prog->progs_mempool, NULL, buffersize, 16, filename, fileline);
2438 }
2439
2440 void _PRVM_Free(void *buffer, const char *filename, int fileline)
2441 {
2442         _Mem_Free(buffer, filename, fileline);
2443 }
2444
2445 void _PRVM_FreeAll(const char *filename, int fileline)
2446 {
2447         prog->progs = NULL;
2448         prog->fielddefs = NULL;
2449         prog->functions = NULL;
2450         _Mem_EmptyPool(prog->progs_mempool, filename, fileline);
2451 }
2452
2453 // LordHavoc: turned PRVM_EDICT_NUM into a #define for speed reasons
2454 unsigned int PRVM_EDICT_NUM_ERROR(unsigned int n, char *filename, int fileline)
2455 {
2456         PRVM_ERROR ("PRVM_EDICT_NUM: %s: bad number %i (called at %s:%i)", PRVM_NAME, n, filename, fileline);
2457         return 0;
2458 }
2459
2460 sizebuf_t vm_tempstringsbuf;
2461
2462 const char *PRVM_GetString(int num)
2463 {
2464         if (num >= 0)
2465         {
2466                 if (num < prog->stringssize)
2467                         return prog->strings + num;
2468                 else
2469 #if 1
2470                 if (num <= prog->stringssize + vm_tempstringsbuf.maxsize)
2471                 {
2472                         num -= prog->stringssize;
2473                         if (num < vm_tempstringsbuf.cursize)
2474                                 return (char *)vm_tempstringsbuf.data + num;
2475                         else
2476                         {
2477                                 VM_Warning("PRVM_GetString: Invalid temp-string offset (%i >= %i vm_tempstringsbuf.cursize)\n", num, vm_tempstringsbuf.cursize);
2478                                 return "";
2479                         }
2480                 }
2481                 else
2482 #endif
2483                 {
2484                         VM_Warning("PRVM_GetString: Invalid constant-string offset (%i >= %i prog->stringssize)\n", num, prog->stringssize);
2485                         return "";
2486                 }
2487         }
2488         else
2489         {
2490                 num = -1 - num;
2491 #if 0
2492                 if (num >= (1<<30))
2493                 {
2494                         // special range reserved for tempstrings
2495                         num -= (1<<30);
2496                         if (num < vm_tempstringsbuf.cursize)
2497                                 return (char *)vm_tempstringsbuf.data + num;
2498                         else
2499                         {
2500                                 VM_Warning("PRVM_GetString: Invalid temp-string offset (%i >= %i vm_tempstringsbuf.cursize)\n", num, vm_tempstringsbuf.cursize);
2501                                 return "";
2502                         }
2503                 }
2504                 else
2505 #endif
2506                 if (num < prog->numknownstrings)
2507                 {
2508                         if (!prog->knownstrings[num])
2509                         {
2510                                 VM_Warning("PRVM_GetString: Invalid zone-string offset (%i has been freed)\n", num);
2511                                 return "";
2512                         }
2513                         return prog->knownstrings[num];
2514                 }
2515                 else
2516                 {
2517                         VM_Warning("PRVM_GetString: Invalid zone-string offset (%i >= %i)\n", num, prog->numknownstrings);
2518                         return "";
2519                 }
2520         }
2521 }
2522
2523 const char *PRVM_ChangeEngineString(int i, const char *s)
2524 {
2525         const char *old;
2526         i = -1 - i;
2527         if(i < 0 || i >= prog->numknownstrings)
2528                 PRVM_ERROR("PRVM_ChangeEngineString: s is not an engine string");
2529         old = prog->knownstrings[i];
2530         prog->knownstrings[i] = s;
2531         return old;
2532 }
2533
2534 int PRVM_SetEngineString(const char *s)
2535 {
2536         int i;
2537         if (!s)
2538                 return 0;
2539         if (s >= prog->strings && s <= prog->strings + prog->stringssize)
2540                 PRVM_ERROR("PRVM_SetEngineString: s in prog->strings area");
2541         // if it's in the tempstrings area, use a reserved range
2542         // (otherwise we'd get millions of useless string offsets cluttering the database)
2543         if (s >= (char *)vm_tempstringsbuf.data && s < (char *)vm_tempstringsbuf.data + vm_tempstringsbuf.maxsize)
2544 #if 1
2545                 return prog->stringssize + (s - (char *)vm_tempstringsbuf.data);
2546 #else
2547                 return -1 - ((1<<30) + (s - (char *)vm_tempstringsbuf.data));
2548 #endif
2549         // see if it's a known string address
2550         for (i = 0;i < prog->numknownstrings;i++)
2551                 if (prog->knownstrings[i] == s)
2552                         return -1 - i;
2553         // new unknown engine string
2554         if (developer.integer >= 200)
2555                 Con_Printf("new engine string %p = \"%s\"\n", s, s);
2556         for (i = prog->firstfreeknownstring;i < prog->numknownstrings;i++)
2557                 if (!prog->knownstrings[i])
2558                         break;
2559         if (i >= prog->numknownstrings)
2560         {
2561                 if (i >= prog->maxknownstrings)
2562                 {
2563                         const char **oldstrings = prog->knownstrings;
2564                         const unsigned char *oldstrings_freeable = prog->knownstrings_freeable;
2565                         const char **oldstrings_origin = prog->knownstrings_origin;
2566                         prog->maxknownstrings += 128;
2567                         prog->knownstrings = (const char **)PRVM_Alloc(prog->maxknownstrings * sizeof(char *));
2568                         prog->knownstrings_freeable = (unsigned char *)PRVM_Alloc(prog->maxknownstrings * sizeof(unsigned char));
2569                         if(prog->leaktest_active)
2570                                 prog->knownstrings_origin = (const char **)PRVM_Alloc(prog->maxknownstrings * sizeof(char *));
2571                         if (prog->numknownstrings)
2572                         {
2573                                 memcpy((char **)prog->knownstrings, oldstrings, prog->numknownstrings * sizeof(char *));
2574                                 memcpy((char **)prog->knownstrings_freeable, oldstrings_freeable, prog->numknownstrings * sizeof(unsigned char));
2575                                 if(prog->leaktest_active)
2576                                         memcpy((char **)prog->knownstrings_origin, oldstrings_origin, prog->numknownstrings * sizeof(char *));
2577                         }
2578                 }
2579                 prog->numknownstrings++;
2580         }
2581         prog->firstfreeknownstring = i + 1;
2582         prog->knownstrings[i] = s;
2583         prog->knownstrings_freeable[i] = false;
2584         if(prog->leaktest_active)
2585                 prog->knownstrings_origin[i] = NULL;
2586         return -1 - i;
2587 }
2588
2589 // temp string handling
2590
2591 // all tempstrings go into this buffer consecutively, and it is reset
2592 // whenever PRVM_ExecuteProgram returns to the engine
2593 // (technically each PRVM_ExecuteProgram call saves the cursize value and
2594 //  restores it on return, so multiple recursive calls can share the same
2595 //  buffer)
2596 // the buffer size is automatically grown as needed
2597
2598 int PRVM_SetTempString(const char *s)
2599 {
2600         int size;
2601         char *t;
2602         if (!s)
2603                 return 0;
2604         size = (int)strlen(s) + 1;
2605         if (developer.integer >= 300)
2606                 Con_Printf("PRVM_SetTempString: cursize %i, size %i\n", vm_tempstringsbuf.cursize, size);
2607         if (vm_tempstringsbuf.maxsize < vm_tempstringsbuf.cursize + size)
2608         {
2609                 sizebuf_t old = vm_tempstringsbuf;
2610                 if (vm_tempstringsbuf.cursize + size >= 1<<28)
2611                         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);
2612                 vm_tempstringsbuf.maxsize = max(vm_tempstringsbuf.maxsize, 65536);
2613                 while (vm_tempstringsbuf.maxsize < vm_tempstringsbuf.cursize + size)
2614                         vm_tempstringsbuf.maxsize *= 2;
2615                 if (vm_tempstringsbuf.maxsize != old.maxsize || vm_tempstringsbuf.data == NULL)
2616                 {
2617                         if (developer.integer >= 100)
2618                                 Con_Printf("PRVM_SetTempString: enlarging tempstrings buffer (%iKB -> %iKB)\n", old.maxsize/1024, vm_tempstringsbuf.maxsize/1024);
2619                         vm_tempstringsbuf.data = (unsigned char *) Mem_Alloc(sv_mempool, vm_tempstringsbuf.maxsize);
2620                         if (old.cursize)
2621                                 memcpy(vm_tempstringsbuf.data, old.data, old.cursize);
2622                         if (old.data)
2623                                 Mem_Free(old.data);
2624                 }
2625         }
2626         t = (char *)vm_tempstringsbuf.data + vm_tempstringsbuf.cursize;
2627         memcpy(t, s, size);
2628         vm_tempstringsbuf.cursize += size;
2629         return PRVM_SetEngineString(t);
2630 }
2631
2632 int PRVM_AllocString(size_t bufferlength, char **pointer)
2633 {
2634         int i;
2635         if (!bufferlength)
2636                 return 0;
2637         for (i = prog->firstfreeknownstring;i < prog->numknownstrings;i++)
2638                 if (!prog->knownstrings[i])
2639                         break;
2640         if (i >= prog->numknownstrings)
2641         {
2642                 if (i >= prog->maxknownstrings)
2643                 {
2644                         const char **oldstrings = prog->knownstrings;
2645                         const unsigned char *oldstrings_freeable = prog->knownstrings_freeable;
2646                         const char **oldstrings_origin = prog->knownstrings_origin;
2647                         prog->maxknownstrings += 128;
2648                         prog->knownstrings = (const char **)PRVM_Alloc(prog->maxknownstrings * sizeof(char *));
2649                         prog->knownstrings_freeable = (unsigned char *)PRVM_Alloc(prog->maxknownstrings * sizeof(unsigned char));
2650                         if(prog->leaktest_active)
2651                                 prog->knownstrings_origin = (const char **)PRVM_Alloc(prog->maxknownstrings * sizeof(char *));
2652                         if (prog->numknownstrings)
2653                         {
2654                                 memcpy((char **)prog->knownstrings, oldstrings, prog->numknownstrings * sizeof(char *));
2655                                 memcpy((char **)prog->knownstrings_freeable, oldstrings_freeable, prog->numknownstrings * sizeof(unsigned char));
2656                                 if(prog->leaktest_active)
2657                                         memcpy((char **)prog->knownstrings_origin, oldstrings_origin, prog->numknownstrings * sizeof(char *));
2658                         }
2659                         // TODO why not Mem_Free the old ones?
2660                 }
2661                 prog->numknownstrings++;
2662         }
2663         prog->firstfreeknownstring = i + 1;
2664         prog->knownstrings[i] = (char *)PRVM_Alloc(bufferlength);
2665         prog->knownstrings_freeable[i] = true;
2666         if(prog->leaktest_active)
2667                 prog->knownstrings_origin[i] = PRVM_AllocationOrigin();
2668         if (pointer)
2669                 *pointer = (char *)(prog->knownstrings[i]);
2670         return -1 - i;
2671 }
2672
2673 void PRVM_FreeString(int num)
2674 {
2675         if (num == 0)
2676                 PRVM_ERROR("PRVM_FreeString: attempt to free a NULL string");
2677         else if (num >= 0 && num < prog->stringssize)
2678                 PRVM_ERROR("PRVM_FreeString: attempt to free a constant string");
2679         else if (num < 0 && num >= -prog->numknownstrings)
2680         {
2681                 num = -1 - num;
2682                 if (!prog->knownstrings[num])
2683                         PRVM_ERROR("PRVM_FreeString: attempt to free a non-existent or already freed string");
2684                 if (!prog->knownstrings_freeable[num])
2685                         PRVM_ERROR("PRVM_FreeString: attempt to free a string owned by the engine");
2686                 PRVM_Free((char *)prog->knownstrings[num]);
2687                 if(prog->leaktest_active)
2688                         if(prog->knownstrings_origin[num])
2689                                 PRVM_Free((char *)prog->knownstrings_origin[num]);
2690                 prog->knownstrings[num] = NULL;
2691                 prog->knownstrings_freeable[num] = false;
2692                 prog->firstfreeknownstring = min(prog->firstfreeknownstring, num);
2693         }
2694         else
2695                 PRVM_ERROR("PRVM_FreeString: invalid string offset %i", num);
2696 }
2697
2698 static qboolean PRVM_IsStringReferenced(string_t string)
2699 {
2700         int i, j;
2701
2702         for (i = 0;i < prog->progs->numglobaldefs;i++)
2703         {
2704                 ddef_t *d = &prog->globaldefs[i];
2705                 if((etype_t)((int) d->type & ~DEF_SAVEGLOBAL) != ev_string)
2706                         continue;
2707                 if(string == ((prvm_eval_t *) &prog->globals.generic[d->ofs])->string)
2708                         return true;
2709         }
2710
2711         for(j = 0; j < prog->num_edicts; ++j)
2712         {
2713                 prvm_edict_t *ed = PRVM_EDICT_NUM(j);
2714                 if (ed->priv.required->free)
2715                         continue;
2716                 for (i=0; i<prog->progs->numfielddefs; ++i)
2717                 {
2718                         ddef_t *d = &prog->fielddefs[i];
2719                         if((etype_t)((int) d->type & ~DEF_SAVEGLOBAL) != ev_string)
2720                                 continue;
2721                         if(string == ((prvm_eval_t *) &ed->fields.vp[d->ofs])->string)
2722                                 return true;
2723                 }
2724         }
2725
2726         return false;
2727 }
2728
2729 static qboolean PRVM_IsEdictRelevant(prvm_edict_t *edict)
2730 {
2731         if(PRVM_NUM_FOR_EDICT(edict) <= prog->reserved_edicts)
2732                 return true; // world or clients
2733         switch(prog - prog_list)
2734         {
2735                 case PRVM_SERVERPROG:
2736                         {
2737                                 entvars_t *ev = edict->fields.server;
2738                                 if(ev->solid) // can block other stuff, or is a trigger?
2739                                         return true;
2740                                 if(ev->modelindex) // visible ent?
2741                                         return true;
2742                                 if(ev->effects) // particle effect?
2743                                         return true;
2744                                 if(ev->think) // has a think function?
2745                                         if(ev->nextthink > 0) // that actually will eventually run?
2746                                                 return true;
2747                                 if(ev->takedamage)
2748                                         return true;
2749                                 if(*prvm_leaktest_ignore_classnames.string)
2750                                 {
2751                                         if(strstr(va(" %s ", prvm_leaktest_ignore_classnames.string), va(" %s ", PRVM_GetString(ev->classname))))
2752                                                 return true;
2753                                 }
2754                         }
2755                         break;
2756                 case PRVM_CLIENTPROG:
2757                         {
2758                                 // TODO someone add more stuff here
2759                                 cl_entvars_t *ev = edict->fields.client;
2760                                 if(ev->entnum) // csqc networked
2761                                         return true;
2762                                 if(ev->modelindex) // visible ent?
2763                                         return true;
2764                                 if(ev->effects) // particle effect?
2765                                         return true;
2766                                 if(ev->think) // has a think function?
2767                                         if(ev->nextthink > 0) // that actually will eventually run?
2768                                                 return true;
2769                                 if(*prvm_leaktest_ignore_classnames.string)
2770                                 {
2771                                         if(strstr(va(" %s ", prvm_leaktest_ignore_classnames.string), va(" %s ", PRVM_GetString(ev->classname))))
2772                                                 return true;
2773                                 }
2774                         }
2775                         break;
2776                 case PRVM_MENUPROG:
2777                         // menu prog does not have classnames
2778                         break;
2779         }
2780         return false;
2781 }
2782
2783 static qboolean PRVM_IsEdictReferenced(prvm_edict_t *edict, int mark)
2784 {
2785         int i, j;
2786         int edictnum = PRVM_NUM_FOR_EDICT(edict);
2787         const char *targetname = NULL;
2788
2789         switch(prog - prog_list)
2790         {
2791                 case PRVM_SERVERPROG:
2792                         targetname = PRVM_GetString(edict->fields.server->targetname);
2793                         break;
2794         }
2795
2796         if(targetname)
2797                 if(!*targetname) // ""
2798                         targetname = NULL;
2799
2800         for (i = 0;i < prog->progs->numglobaldefs;i++)
2801         {
2802                 ddef_t *d = &prog->globaldefs[i];
2803                 if((etype_t)((int) d->type & ~DEF_SAVEGLOBAL) != ev_entity)
2804                         continue;
2805                 if(edictnum == ((prvm_eval_t *) &prog->globals.generic[d->ofs])->edict)
2806                         return true;
2807         }
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->mark < mark)
2813                         continue;
2814                 if(ed == edict)
2815                         continue;
2816                 if(targetname)
2817                 {
2818                         const char *target = PRVM_GetString(ed->fields.server->target);
2819                         if(target)
2820                                 if(!strcmp(target, targetname))
2821                                         return true;
2822                 }
2823                 for (i=0; i<prog->progs->numfielddefs; ++i)
2824                 {
2825                         ddef_t *d = &prog->fielddefs[i];
2826                         if((etype_t)((int) d->type & ~DEF_SAVEGLOBAL) != ev_entity)
2827                                 continue;
2828                         if(edictnum == ((prvm_eval_t *) &ed->fields.vp[d->ofs])->edict)
2829                                 return true;
2830                 }
2831         }
2832
2833         return false;
2834 }
2835
2836 static void PRVM_MarkReferencedEdicts(void)
2837 {
2838         int j;
2839         qboolean found_new;
2840         int stage;
2841
2842         for(j = 0; j < prog->num_edicts; ++j)
2843         {
2844                 prvm_edict_t *ed = PRVM_EDICT_NUM(j);
2845                 if(ed->priv.required->free)
2846                         continue;
2847                 ed->priv.required->mark = PRVM_IsEdictRelevant(ed) ? 1 : 0;
2848         }
2849
2850         stage = 1;
2851         do
2852         {
2853                 found_new = false;
2854                 for(j = 0; j < prog->num_edicts; ++j)
2855                 {
2856                         prvm_edict_t *ed = PRVM_EDICT_NUM(j);
2857                         if(ed->priv.required->free)
2858                                 continue;
2859                         if(ed->priv.required->mark)
2860                                 continue;
2861                         if(PRVM_IsEdictReferenced(ed, stage))
2862                         {
2863                                 ed->priv.required->mark = stage + 1;
2864                                 found_new = true;
2865                         }
2866                 }
2867                 ++stage;
2868         }
2869         while(found_new);
2870         Con_DPrintf("leak check used %d stages to find all references\n", stage);
2871 }
2872
2873 void PRVM_LeakTest(void)
2874 {
2875         int i, j;
2876         qboolean leaked = false;
2877
2878         if(!prog->leaktest_active)
2879                 return;
2880
2881         // 1. Strings
2882         for (i = 0; i < prog->numknownstrings; ++i)
2883         {
2884                 if(prog->knownstrings[i])
2885                 if(prog->knownstrings_freeable[i])
2886                 if(prog->knownstrings_origin[i])
2887                 if(!PRVM_IsStringReferenced(-1 - i))
2888                 {
2889                         Con_Printf("Unreferenced string found!\n  Value: %s\n  Origin: %s\n", prog->knownstrings[i], prog->knownstrings_origin[i]);
2890                         leaked = true;
2891                 }
2892         }
2893
2894         // 2. Edicts
2895         PRVM_MarkReferencedEdicts();
2896         for(j = 0; j < prog->num_edicts; ++j)
2897         {
2898                 prvm_edict_t *ed = PRVM_EDICT_NUM(j);
2899                 if(ed->priv.required->free)
2900                         continue;
2901                 if(!ed->priv.required->mark)
2902                 if(ed->priv.required->allocation_origin)
2903                 {
2904                         Con_Printf("Unreferenced edict found!\n  Allocated at: %s\n", ed->priv.required->allocation_origin);
2905                         PRVM_ED_Print(ed, NULL);
2906                         Con_Print("\n");
2907                         leaked = true;
2908                 }
2909         }
2910
2911         for (i = 0; i < (int)Mem_ExpandableArray_IndexRange(&prog->stringbuffersarray); ++i)
2912         {
2913                 prvm_stringbuffer_t *stringbuffer = (prvm_stringbuffer_t*) Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, i);
2914                 if(stringbuffer)
2915                 if(stringbuffer->origin)
2916                 {
2917                         Con_Printf("Open string buffer handle found!\n  Allocated at: %s\n", stringbuffer->origin);
2918                         leaked = true;
2919                 }
2920         }
2921
2922         for(i = 0; i < PRVM_MAX_OPENFILES; ++i)
2923         {
2924                 if(prog->openfiles[i])
2925                 if(prog->openfiles_origin[i])
2926                 {
2927                         Con_Printf("Open file handle found!\n  Allocated at: %s\n", prog->openfiles_origin[i]);
2928                         leaked = true;
2929                 }
2930         }
2931
2932         for(i = 0; i < PRVM_MAX_OPENSEARCHES; ++i)
2933         {
2934                 if(prog->opensearches[i])
2935                 if(prog->opensearches_origin[i])
2936                 {
2937                         Con_Printf("Open search handle found!\n  Allocated at: %s\n", prog->opensearches_origin[i]);
2938                         leaked = true;
2939                 }
2940         }
2941
2942         if(!leaked)
2943                 Con_Printf("Congratulations. No leaks found.\n");
2944 }