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 cvar_t prvm_language = {0, "prvm_language", "", "when set, loads progs.dat.LANGUAGENAME.po for string translations; when set to dump, progs.dat.dump.po is written from the strings in the progs"};
  35 // LordHavoc: prints every opcode as it executes - warning: this is significant spew
  36 cvar_t prvm_traceqc = {0, "prvm_traceqc", "0", "prints every QuakeC statement as it is executed (only for really thorough debugging!)"};
  37 // LordHavoc: counts usage of each QuakeC statement
  38 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)"};
  39 cvar_t prvm_backtraceforwarnings = {0, "prvm_backtraceforwarnings", "0", "print a backtrace for warnings too"};
  40 cvar_t prvm_leaktest = {0, "prvm_leaktest", "0", "try to detect memory leaks in strings or entities"};
  41 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)"};
  42 cvar_t prvm_errordump = {0, "prvm_errordump", "0", "write a savegame on crash to crash-server.dmp"};
  43 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)"};
  44 cvar_t prvm_reuseedicts_neverinsameframe = {0, "prvm_reuseedicts_neverinsameframe", "1", "never allows re-use of freed entity slots during same frame"};
  45
  46 static double prvm_reuseedicts_always_allow = 0;
  47 qboolean prvm_runawaycheck = true;
  48
  49 extern sizebuf_t vm_tempstringsbuf;
  50
  51 //============================================================================
  52 // mempool handling
  53
  54 /*
  55 ===============
  56 PRVM_MEM_Alloc
  57 ===============
  58 */
  59 void PRVM_MEM_Alloc(void)
  60 {
  61         int i;
  62
  63         // reserve space for the null entity aka world
  64         // check bound of max_edicts
  65         prog->max_edicts = bound(1 + prog->reserved_edicts, prog->max_edicts, prog->limit_edicts);
  66         prog->num_edicts = bound(1 + prog->reserved_edicts, prog->num_edicts, prog->max_edicts);
  67
  68         // edictprivate_size has to be min as big prvm_edict_private_t
  69         prog->edictprivate_size = max(prog->edictprivate_size,(int)sizeof(prvm_edict_private_t));
  70
  71         // alloc edicts
  72         prog->edicts = (prvm_edict_t *)Mem_Alloc(prog->progs_mempool,prog->limit_edicts * sizeof(prvm_edict_t));
  73
  74         // alloc edict private space
  75         prog->edictprivate = Mem_Alloc(prog->progs_mempool, prog->max_edicts * prog->edictprivate_size);
  76
  77         // alloc edict fields
  78         prog->entityfieldsarea = prog->entityfields * prog->max_edicts;
  79         prog->edictsfields = (vec_t *)Mem_Alloc(prog->progs_mempool, prog->entityfieldsarea * sizeof(vec_t));
  80
  81         // set edict pointers
  82         for(i = 0; i < prog->max_edicts; i++)
  83         {
  84                 prog->edicts[i].priv.required = (prvm_edict_private_t *)((unsigned char  *)prog->edictprivate + i * prog->edictprivate_size);
  85                 prog->edicts[i].fields.vp = prog->edictsfields + i * prog->entityfields;
  86         }
  87 }
  88
  89 /*
  90 ===============
  91 PRVM_MEM_IncreaseEdicts
  92 ===============
  93 */
  94 void PRVM_MEM_IncreaseEdicts(void)
  95 {
  96         int             i;
  97
  98         if(prog->max_edicts >= prog->limit_edicts)
  99                 return;
 100
 101         PRVM_GCALL(begin_increase_edicts)();
 102
 103         // increase edicts
 104         prog->max_edicts = min(prog->max_edicts + 256, prog->limit_edicts);
 105
 106         prog->entityfieldsarea = prog->entityfields * prog->max_edicts;
 107         prog->edictsfields = (vec_t*)Mem_Realloc(prog->progs_mempool, (void *)prog->edictsfields, prog->entityfieldsarea * sizeof(vec_t));
 108         prog->edictprivate = (void *)Mem_Realloc(prog->progs_mempool, (void *)prog->edictprivate, prog->max_edicts * prog->edictprivate_size);
 109
 110         //set e and v pointers
 111         for(i = 0; i < prog->max_edicts; i++)
 112         {
 113                 prog->edicts[i].priv.required  = (prvm_edict_private_t *)((unsigned char  *)prog->edictprivate + i * prog->edictprivate_size);
 114                 prog->edicts[i].fields.vp = prog->edictsfields + i * prog->entityfields;
 115         }
 116
 117         PRVM_GCALL(end_increase_edicts)();
 118 }
 119
 120 //============================================================================
 121 // normal prvm
 122
 123 int PRVM_ED_FindFieldOffset(const char *field)
 124 {
 125         ddef_t *d;
 126         d = PRVM_ED_FindField(field);
 127         if (!d)
 128                 return -1;
 129         return d->ofs;
 130 }
 131
 132 int PRVM_ED_FindGlobalOffset(const char *global)
 133 {
 134         ddef_t *d;
 135         d = PRVM_ED_FindGlobal(global);
 136         if (!d)
 137                 return -1;
 138         return d->ofs;
 139 }
 140
 141 func_t PRVM_ED_FindFunctionOffset(const char *function)
 142 {
 143         mfunction_t *f;
 144         f = PRVM_ED_FindFunction(function);
 145         if (!f)
 146                 return 0;
 147         return (func_t)(f - prog->functions);
 148 }
 149
 150 qboolean PRVM_ProgLoaded(int prognr)
 151 {
 152         if(prognr < 0 || prognr >= PRVM_MAXPROGS)
 153                 return FALSE;
 154
 155         return (prog_list[prognr].loaded ? TRUE : FALSE);
 156 }
 157
 158 /*
 159 =================
 160 PRVM_SetProgFromString
 161 =================
 162 */
 163 // perhaps add a return value when the str doesnt exist
 164 qboolean PRVM_SetProgFromString(const char *str)
 165 {
 166         int i = 0;
 167         for(; i < PRVM_MAXPROGS ; i++)
 168                 if(prog_list[i].name && !strcmp(prog_list[i].name,str))
 169                 {
 170                         if(prog_list[i].loaded)
 171                         {
 172                                 prog = &prog_list[i];
 173                                 return TRUE;
 174                         }
 175                         else
 176                         {
 177                                 Con_Printf("%s not loaded !\n",PRVM_NAME);
 178                                 return FALSE;
 179                         }
 180                 }
 181
 182         Con_Printf("Invalid program name %s !\n", str);
 183         return FALSE;
 184 }
 185
 186 /*
 187 =================
 188 PRVM_SetProg
 189 =================
 190 */
 191 void PRVM_SetProg(int prognr)
 192 {
 193         if(0 <= prognr && prognr < PRVM_MAXPROGS)
 194         {
 195                 if(prog_list[prognr].loaded)
 196                         prog = &prog_list[prognr];
 197                 else
 198                         PRVM_ERROR("%i not loaded !", prognr);
 199                 return;
 200         }
 201         PRVM_ERROR("Invalid program number %i", prognr);
 202 }
 203
 204 /*
 205 =================
 206 PRVM_ED_ClearEdict
 207
 208 Sets everything to NULL
 209 =================
 210 */
 211 void PRVM_ED_ClearEdict (prvm_edict_t *e)
 212 {
 213         memset (e->fields.vp, 0, prog->progs->entityfields * 4);
 214         e->priv.required->free = false;
 215
 216         // AK: Let the init_edict function determine if something needs to be initialized
 217         PRVM_GCALL(init_edict)(e);
 218 }
 219
 220 const char *PRVM_AllocationOrigin(void)
 221 {
 222         char *buf = NULL;
 223         if(prog->leaktest_active)
 224         if(prog->depth > 0) // actually in QC code and not just parsing the entities block of a map/savegame
 225         {
 226                 buf = (char *)PRVM_Alloc(128);
 227                 PRVM_ShortStackTrace(buf, 128);
 228         }
 229         return buf;
 230 }
 231
 232 /*
 233 =================
 234 PRVM_ED_CanAlloc
 235
 236 Returns if this particular edict could get allocated by PRVM_ED_Alloc
 237 =================
 238 */
 239 qboolean PRVM_ED_CanAlloc(prvm_edict_t *e)
 240 {
 241         if(!e->priv.required->free)
 242                 return false;
 243         if(prvm_reuseedicts_always_allow == realtime)
 244                 return true;
 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), "%.9g", val->_float);
 552                 break;
 553         case ev_vector:
 554                 dpsnprintf (line, sizeof (line), "%.9g %.9g %.9g", 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         prvm_reuseedicts_always_allow = realtime;
1409
1410 // parse ents
1411         while (1)
1412         {
1413 // parse the opening brace
1414                 if (!COM_ParseToken_Simple(&data, false, false))
1415                         break;
1416                 if (com_token[0] != '{')
1417                         PRVM_ERROR ("PRVM_ED_LoadFromFile: %s: found %s when expecting {", PRVM_NAME, com_token);
1418
1419                 // CHANGED: this is not conform to PR_LoadFromFile
1420                 if(prog->loadintoworld)
1421                 {
1422                         prog->loadintoworld = false;
1423                         ent = PRVM_EDICT_NUM(0);
1424                 }
1425                 else
1426                         ent = PRVM_ED_Alloc();
1427
1428                 // clear it
1429                 if (ent != prog->edicts)        // hack
1430                         memset (ent->fields.vp, 0, prog->progs->entityfields * 4);
1431
1432                 data = PRVM_ED_ParseEdict (data, ent);
1433                 parsed++;
1434
1435                 // remove the entity ?
1436                 if(prog->load_edict && !prog->load_edict(ent))
1437                 {
1438                         PRVM_ED_Free(ent);
1439                         inhibited++;
1440                         continue;
1441                 }
1442
1443                 if (prog->funcoffsets.SV_OnEntityPreSpawnFunction)
1444                 {
1445                         // self = ent
1446                         PRVM_GLOBALFIELDVALUE(prog->globaloffsets.self)->edict = PRVM_EDICT_TO_PROG(ent);
1447                         PRVM_ExecuteProgram (prog->funcoffsets.SV_OnEntityPreSpawnFunction, "QC function SV_OnEntityPreSpawnFunction is missing");
1448                 }
1449
1450                 if(ent->priv.required->free)
1451                 {
1452                         inhibited++;
1453                         continue;
1454                 }
1455
1456 //
1457 // immediately call spawn function, but only if there is a self global and a classname
1458 //
1459                 if(!ent->priv.required->free)
1460                 if(prog->globaloffsets.self >= 0 && prog->fieldoffsets.classname >= 0)
1461                 {
1462                         string_t handle =  PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.classname)->string;
1463                         if (!handle)
1464                         {
1465                                 Con_Print("No classname for:\n");
1466                                 PRVM_ED_Print(ent, NULL);
1467                                 PRVM_ED_Free (ent);
1468                                 continue;
1469                         }
1470
1471                         // look for the spawn function
1472                         funcname = PRVM_GetString(handle);
1473                         func = PRVM_ED_FindFunction (va("spawnfunc_%s", funcname));
1474                         if(!func)
1475                                 if(prog->globaloffsets.require_spawnfunc_prefix < 0)
1476                                         func = PRVM_ED_FindFunction (funcname);
1477
1478                         if (!func)
1479                         {
1480                                 // check for OnEntityNoSpawnFunction
1481                                 if (prog->funcoffsets.SV_OnEntityNoSpawnFunction)
1482                                 {
1483                                         // self = ent
1484                                         PRVM_GLOBALFIELDVALUE(prog->globaloffsets.self)->edict = PRVM_EDICT_TO_PROG(ent);
1485                                         PRVM_ExecuteProgram (prog->funcoffsets.SV_OnEntityNoSpawnFunction, "QC function SV_OnEntityNoSpawnFunction is missing");
1486                                 }
1487                                 else
1488                                 {
1489                                         if (developer.integer > 0) // don't confuse non-developers with errors
1490                                         {
1491                                                 Con_Print("No spawn function for:\n");
1492                                                 PRVM_ED_Print(ent, NULL);
1493                                         }
1494                                         PRVM_ED_Free (ent);
1495                                         continue; // not included in "inhibited" count
1496                                 }
1497                         }
1498                         else
1499                         {
1500                                 // self = ent
1501                                 PRVM_GLOBALFIELDVALUE(prog->globaloffsets.self)->edict = PRVM_EDICT_TO_PROG(ent);
1502                                 PRVM_ExecuteProgram (func - prog->functions, "");
1503                         }
1504                 }
1505
1506                 if(!ent->priv.required->free)
1507                 if (prog->funcoffsets.SV_OnEntityPostSpawnFunction)
1508                 {
1509                         // self = ent
1510                         PRVM_GLOBALFIELDVALUE(prog->globaloffsets.self)->edict = PRVM_EDICT_TO_PROG(ent);
1511                         PRVM_ExecuteProgram (prog->funcoffsets.SV_OnEntityPostSpawnFunction, "QC function SV_OnEntityPostSpawnFunction is missing");
1512                 }
1513
1514                 spawned++;
1515                 if (ent->priv.required->free)
1516                         died++;
1517         }
1518
1519         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);
1520
1521         prvm_reuseedicts_always_allow = 0;
1522 }
1523
1524 void PRVM_FindOffsets(void)
1525 {
1526         // field and global searches use -1 for NULL
1527         memset(&prog->fieldoffsets, -1, sizeof(prog->fieldoffsets));
1528         memset(&prog->globaloffsets, -1, sizeof(prog->globaloffsets));
1529         // functions use 0 for NULL
1530         memset(&prog->funcoffsets, 0, sizeof(prog->funcoffsets));
1531
1532         // server and client qc use a lot of similar fields, so this is combined
1533         prog->fieldoffsets.SendEntity                     = PRVM_ED_FindFieldOffset("SendEntity");
1534         prog->fieldoffsets.SendFlags                      = PRVM_ED_FindFieldOffset("SendFlags");
1535         prog->fieldoffsets.Version                        = PRVM_ED_FindFieldOffset("Version");
1536         prog->fieldoffsets.alpha                          = PRVM_ED_FindFieldOffset("alpha");
1537         prog->fieldoffsets.ammo_cells1                    = PRVM_ED_FindFieldOffset("ammo_cells1");
1538         prog->fieldoffsets.ammo_lava_nails                = PRVM_ED_FindFieldOffset("ammo_lava_nails");
1539         prog->fieldoffsets.ammo_multi_rockets             = PRVM_ED_FindFieldOffset("ammo_multi_rockets");
1540         prog->fieldoffsets.ammo_nails1                    = PRVM_ED_FindFieldOffset("ammo_nails1");
1541         prog->fieldoffsets.ammo_plasma                    = PRVM_ED_FindFieldOffset("ammo_plasma");
1542         prog->fieldoffsets.ammo_rockets1                  = PRVM_ED_FindFieldOffset("ammo_rockets1");
1543         prog->fieldoffsets.ammo_shells1                   = PRVM_ED_FindFieldOffset("ammo_shells1");
1544         prog->fieldoffsets.angles                         = PRVM_ED_FindFieldOffset("angles");
1545         prog->fieldoffsets.button3                        = PRVM_ED_FindFieldOffset("button3");
1546         prog->fieldoffsets.button4                        = PRVM_ED_FindFieldOffset("button4");
1547         prog->fieldoffsets.button5                        = PRVM_ED_FindFieldOffset("button5");
1548         prog->fieldoffsets.button6                        = PRVM_ED_FindFieldOffset("button6");
1549         prog->fieldoffsets.button7                        = PRVM_ED_FindFieldOffset("button7");
1550         prog->fieldoffsets.button8                        = PRVM_ED_FindFieldOffset("button8");
1551         prog->fieldoffsets.button9                        = PRVM_ED_FindFieldOffset("button9");
1552         prog->fieldoffsets.button10                       = PRVM_ED_FindFieldOffset("button10");
1553         prog->fieldoffsets.button11                       = PRVM_ED_FindFieldOffset("button11");
1554         prog->fieldoffsets.button12                       = PRVM_ED_FindFieldOffset("button12");
1555         prog->fieldoffsets.button13                       = PRVM_ED_FindFieldOffset("button13");
1556         prog->fieldoffsets.button14                       = PRVM_ED_FindFieldOffset("button14");
1557         prog->fieldoffsets.button15                       = PRVM_ED_FindFieldOffset("button15");
1558         prog->fieldoffsets.button16                       = PRVM_ED_FindFieldOffset("button16");
1559         prog->fieldoffsets.buttonchat                     = PRVM_ED_FindFieldOffset("buttonchat");
1560         prog->fieldoffsets.buttonuse                      = PRVM_ED_FindFieldOffset("buttonuse");
1561         prog->fieldoffsets.chain                          = PRVM_ED_FindFieldOffset("chain");
1562         prog->fieldoffsets.classname                      = PRVM_ED_FindFieldOffset("classname");
1563         prog->fieldoffsets.clientcamera                   = PRVM_ED_FindFieldOffset("clientcamera");
1564         prog->fieldoffsets.clientcolors                   = PRVM_ED_FindFieldOffset("clientcolors");
1565         prog->fieldoffsets.clientstatus                   = PRVM_ED_FindFieldOffset("clientstatus");
1566         prog->fieldoffsets.color                          = PRVM_ED_FindFieldOffset("color");
1567         prog->fieldoffsets.colormod                       = PRVM_ED_FindFieldOffset("colormod");
1568         prog->fieldoffsets.contentstransition             = PRVM_ED_FindFieldOffset("contentstransition");
1569         prog->fieldoffsets.cursor_active                  = PRVM_ED_FindFieldOffset("cursor_active");
1570         prog->fieldoffsets.cursor_screen                  = PRVM_ED_FindFieldOffset("cursor_screen");
1571         prog->fieldoffsets.cursor_trace_endpos            = PRVM_ED_FindFieldOffset("cursor_trace_endpos");
1572         prog->fieldoffsets.cursor_trace_ent               = PRVM_ED_FindFieldOffset("cursor_trace_ent");
1573         prog->fieldoffsets.cursor_trace_start             = PRVM_ED_FindFieldOffset("cursor_trace_start");
1574         prog->fieldoffsets.customizeentityforclient       = PRVM_ED_FindFieldOffset("customizeentityforclient");
1575         prog->fieldoffsets.dimension_hit                  = PRVM_ED_FindFieldOffset("dimension_hit");
1576         prog->fieldoffsets.dimension_solid                = PRVM_ED_FindFieldOffset("dimension_solid");
1577         prog->fieldoffsets.disableclientprediction        = PRVM_ED_FindFieldOffset("disableclientprediction");
1578         prog->fieldoffsets.discardabledemo                = PRVM_ED_FindFieldOffset("discardabledemo");
1579         prog->fieldoffsets.dphitcontentsmask              = PRVM_ED_FindFieldOffset("dphitcontentsmask");
1580         prog->fieldoffsets.drawonlytoclient               = PRVM_ED_FindFieldOffset("drawonlytoclient");
1581         prog->fieldoffsets.exteriormodeltoclient          = PRVM_ED_FindFieldOffset("exteriormodeltoclient");
1582         prog->fieldoffsets.fatness                        = PRVM_ED_FindFieldOffset("fatness");
1583         prog->fieldoffsets.forceshader                    = PRVM_ED_FindFieldOffset("forceshader");
1584         prog->fieldoffsets.frame                          = PRVM_ED_FindFieldOffset("frame");
1585         prog->fieldoffsets.frame1time                     = PRVM_ED_FindFieldOffset("frame1time");
1586         prog->fieldoffsets.frame2                         = PRVM_ED_FindFieldOffset("frame2");
1587         prog->fieldoffsets.frame2time                     = PRVM_ED_FindFieldOffset("frame2time");
1588         prog->fieldoffsets.frame3                         = PRVM_ED_FindFieldOffset("frame3");
1589         prog->fieldoffsets.frame3time                     = PRVM_ED_FindFieldOffset("frame3time");
1590         prog->fieldoffsets.frame4                         = PRVM_ED_FindFieldOffset("frame4");
1591         prog->fieldoffsets.frame4time                     = PRVM_ED_FindFieldOffset("frame4time");
1592         prog->fieldoffsets.fullbright                     = PRVM_ED_FindFieldOffset("fullbright");
1593         prog->fieldoffsets.glow_color                     = PRVM_ED_FindFieldOffset("glow_color");
1594         prog->fieldoffsets.glow_size                      = PRVM_ED_FindFieldOffset("glow_size");
1595         prog->fieldoffsets.glow_trail                     = PRVM_ED_FindFieldOffset("glow_trail");
1596         prog->fieldoffsets.glowmod                        = PRVM_ED_FindFieldOffset("glowmod");
1597         prog->fieldoffsets.gravity                        = PRVM_ED_FindFieldOffset("gravity");
1598         prog->fieldoffsets.groundentity                   = PRVM_ED_FindFieldOffset("groundentity");
1599         prog->fieldoffsets.hull                           = PRVM_ED_FindFieldOffset("hull");
1600         prog->fieldoffsets.ideal_yaw                      = PRVM_ED_FindFieldOffset("ideal_yaw");
1601         prog->fieldoffsets.idealpitch                     = PRVM_ED_FindFieldOffset("idealpitch");
1602         prog->fieldoffsets.items2                         = PRVM_ED_FindFieldOffset("items2");
1603         prog->fieldoffsets.lerpfrac                       = PRVM_ED_FindFieldOffset("lerpfrac");
1604         prog->fieldoffsets.lerpfrac3                      = PRVM_ED_FindFieldOffset("lerpfrac3");
1605         prog->fieldoffsets.lerpfrac4                      = PRVM_ED_FindFieldOffset("lerpfrac4");
1606         prog->fieldoffsets.light_lev                      = PRVM_ED_FindFieldOffset("light_lev");
1607         prog->fieldoffsets.message                        = PRVM_ED_FindFieldOffset("message");
1608         prog->fieldoffsets.modelflags                     = PRVM_ED_FindFieldOffset("modelflags");
1609         prog->fieldoffsets.movement                       = PRVM_ED_FindFieldOffset("movement");
1610         prog->fieldoffsets.movetypesteplandevent          = PRVM_ED_FindFieldOffset("movetypesteplandevent");
1611         prog->fieldoffsets.netaddress                     = PRVM_ED_FindFieldOffset("netaddress");
1612         prog->fieldoffsets.nextthink                      = PRVM_ED_FindFieldOffset("nextthink");
1613         prog->fieldoffsets.nodrawtoclient                 = PRVM_ED_FindFieldOffset("nodrawtoclient");
1614         prog->fieldoffsets.pflags                         = PRVM_ED_FindFieldOffset("pflags");
1615         prog->fieldoffsets.ping                           = PRVM_ED_FindFieldOffset("ping");
1616         prog->fieldoffsets.packetloss                     = PRVM_ED_FindFieldOffset("ping_packetloss");
1617         prog->fieldoffsets.movementloss                   = PRVM_ED_FindFieldOffset("ping_movementloss");
1618         prog->fieldoffsets.pitch_speed                    = PRVM_ED_FindFieldOffset("pitch_speed");
1619         prog->fieldoffsets.playermodel                    = PRVM_ED_FindFieldOffset("playermodel");
1620         prog->fieldoffsets.playerskin                     = PRVM_ED_FindFieldOffset("playerskin");
1621         prog->fieldoffsets.pmodel                         = PRVM_ED_FindFieldOffset("pmodel");
1622         prog->fieldoffsets.punchvector                    = PRVM_ED_FindFieldOffset("punchvector");
1623         prog->fieldoffsets.renderamt                      = PRVM_ED_FindFieldOffset("renderamt"); // HalfLife support
1624         prog->fieldoffsets.renderflags                    = PRVM_ED_FindFieldOffset("renderflags");
1625         prog->fieldoffsets.rendermode                     = PRVM_ED_FindFieldOffset("rendermode"); // HalfLife support
1626         prog->fieldoffsets.scale                          = PRVM_ED_FindFieldOffset("scale");
1627         prog->fieldoffsets.shadertime                     = PRVM_ED_FindFieldOffset("shadertime");
1628         prog->fieldoffsets.skeletonindex                  = PRVM_ED_FindFieldOffset("skeletonindex");
1629         prog->fieldoffsets.style                          = PRVM_ED_FindFieldOffset("style");
1630         prog->fieldoffsets.tag_entity                     = PRVM_ED_FindFieldOffset("tag_entity");
1631         prog->fieldoffsets.tag_index                      = PRVM_ED_FindFieldOffset("tag_index");
1632         prog->fieldoffsets.think                          = PRVM_ED_FindFieldOffset("think");
1633         prog->fieldoffsets.viewmodelforclient             = PRVM_ED_FindFieldOffset("viewmodelforclient");
1634         prog->fieldoffsets.viewzoom                       = PRVM_ED_FindFieldOffset("viewzoom");
1635         prog->fieldoffsets.yaw_speed                      = PRVM_ED_FindFieldOffset("yaw_speed");
1636         prog->fieldoffsets.bouncefactor                   = PRVM_ED_FindFieldOffset("bouncefactor");
1637         prog->fieldoffsets.bouncestop                     = PRVM_ED_FindFieldOffset("bouncestop");
1638
1639         prog->fieldoffsets.solid                          = PRVM_ED_FindFieldOffset("solid");
1640         prog->fieldoffsets.movetype                       = PRVM_ED_FindFieldOffset("movetype");
1641         prog->fieldoffsets.modelindex                     = PRVM_ED_FindFieldOffset("modelindex");
1642         prog->fieldoffsets.mins                           = PRVM_ED_FindFieldOffset("mins");
1643         prog->fieldoffsets.maxs                           = PRVM_ED_FindFieldOffset("maxs");
1644         prog->fieldoffsets.mass                           = PRVM_ED_FindFieldOffset("mass");
1645         prog->fieldoffsets.origin                         = PRVM_ED_FindFieldOffset("origin");
1646         prog->fieldoffsets.velocity                       = PRVM_ED_FindFieldOffset("velocity");
1647         //prog->fieldoffsets.axis_forward                   = PRVM_ED_FindFieldOffset("axis_forward");
1648         //prog->fieldoffsets.axis_left                      = PRVM_ED_FindFieldOffset("axis_left");
1649         //prog->fieldoffsets.axis_up                        = PRVM_ED_FindFieldOffset("axis_up");
1650         //prog->fieldoffsets.spinvelocity                   = PRVM_ED_FindFieldOffset("spinvelocity");
1651         prog->fieldoffsets.angles                         = PRVM_ED_FindFieldOffset("angles");
1652         prog->fieldoffsets.avelocity                      = PRVM_ED_FindFieldOffset("avelocity");
1653         prog->fieldoffsets.aiment                         = PRVM_ED_FindFieldOffset("aiment");
1654         prog->fieldoffsets.enemy                          = PRVM_ED_FindFieldOffset("enemy");
1655         prog->fieldoffsets.jointtype                      = PRVM_ED_FindFieldOffset("jointtype");
1656         prog->fieldoffsets.movedir                        = PRVM_ED_FindFieldOffset("movedir");
1657
1658         prog->fieldoffsets.camera_transform               = PRVM_ED_FindFieldOffset("camera_transform");
1659
1660         prog->funcoffsets.CSQC_ConsoleCommand             = PRVM_ED_FindFunctionOffset("CSQC_ConsoleCommand");
1661         prog->funcoffsets.CSQC_Ent_Remove                 = PRVM_ED_FindFunctionOffset("CSQC_Ent_Remove");
1662         prog->funcoffsets.CSQC_Ent_Spawn                  = PRVM_ED_FindFunctionOffset("CSQC_Ent_Spawn");
1663         prog->funcoffsets.CSQC_Ent_Update                 = PRVM_ED_FindFunctionOffset("CSQC_Ent_Update");
1664         prog->funcoffsets.CSQC_Event                      = PRVM_ED_FindFunctionOffset("CSQC_Event");
1665         prog->funcoffsets.CSQC_Event_Sound                = PRVM_ED_FindFunctionOffset("CSQC_Event_Sound");
1666         prog->funcoffsets.CSQC_Init                       = PRVM_ED_FindFunctionOffset("CSQC_Init");
1667         prog->funcoffsets.CSQC_InputEvent                 = PRVM_ED_FindFunctionOffset("CSQC_InputEvent");
1668         prog->funcoffsets.CSQC_Parse_CenterPrint          = PRVM_ED_FindFunctionOffset("CSQC_Parse_CenterPrint");
1669         prog->funcoffsets.CSQC_Parse_Print                = PRVM_ED_FindFunctionOffset("CSQC_Parse_Print");
1670         prog->funcoffsets.CSQC_Parse_StuffCmd             = PRVM_ED_FindFunctionOffset("CSQC_Parse_StuffCmd");
1671         prog->funcoffsets.CSQC_Parse_TempEntity           = PRVM_ED_FindFunctionOffset("CSQC_Parse_TempEntity");
1672         prog->funcoffsets.CSQC_Shutdown                   = PRVM_ED_FindFunctionOffset("CSQC_Shutdown");
1673         prog->funcoffsets.CSQC_UpdateView                 = PRVM_ED_FindFunctionOffset("CSQC_UpdateView");
1674         prog->funcoffsets.EndFrame                        = PRVM_ED_FindFunctionOffset("EndFrame");
1675         prog->funcoffsets.GameCommand                     = PRVM_ED_FindFunctionOffset("GameCommand");
1676         prog->funcoffsets.Gecko_Query                     = PRVM_ED_FindFunctionOffset("Gecko_Query");
1677         prog->funcoffsets.RestoreGame                     = PRVM_ED_FindFunctionOffset("RestoreGame");
1678         prog->funcoffsets.SV_ChangeTeam                   = PRVM_ED_FindFunctionOffset("SV_ChangeTeam");
1679         prog->funcoffsets.SV_OnEntityNoSpawnFunction      = PRVM_ED_FindFunctionOffset("SV_OnEntityNoSpawnFunction");
1680         prog->funcoffsets.SV_OnEntityPostSpawnFunction    = PRVM_ED_FindFunctionOffset("SV_OnEntityPostSpawnFunction");
1681         prog->funcoffsets.SV_OnEntityPreSpawnFunction     = PRVM_ED_FindFunctionOffset("SV_OnEntityPreSpawnFunction");
1682         prog->funcoffsets.SV_ParseClientCommand           = PRVM_ED_FindFunctionOffset("SV_ParseClientCommand");
1683         prog->funcoffsets.SV_PausedTic                    = PRVM_ED_FindFunctionOffset("SV_PausedTic");
1684         prog->funcoffsets.SV_PlayerPhysics                = PRVM_ED_FindFunctionOffset("SV_PlayerPhysics");
1685         prog->funcoffsets.SV_Shutdown                     = PRVM_ED_FindFunctionOffset("SV_Shutdown");
1686         prog->funcoffsets.URI_Get_Callback                = PRVM_ED_FindFunctionOffset("URI_Get_Callback");
1687         prog->globaloffsets.SV_InitCmd                    = PRVM_ED_FindGlobalOffset("SV_InitCmd");
1688         prog->globaloffsets.coop                          = PRVM_ED_FindGlobalOffset("coop");
1689         prog->globaloffsets.deathmatch                    = PRVM_ED_FindGlobalOffset("deathmatch");
1690         prog->globaloffsets.dmg_origin                    = PRVM_ED_FindGlobalOffset("dmg_origin");
1691         prog->globaloffsets.dmg_save                      = PRVM_ED_FindGlobalOffset("dmg_save");
1692         prog->globaloffsets.dmg_take                      = PRVM_ED_FindGlobalOffset("dmg_take");
1693         prog->globaloffsets.drawfont                      = PRVM_ED_FindGlobalOffset("drawfont");
1694         prog->globaloffsets.drawfontscale                 = PRVM_ED_FindGlobalOffset("drawfontscale");
1695         prog->globaloffsets.gettaginfo_forward            = PRVM_ED_FindGlobalOffset("gettaginfo_forward");
1696         prog->globaloffsets.gettaginfo_name               = PRVM_ED_FindGlobalOffset("gettaginfo_name");
1697         prog->globaloffsets.gettaginfo_offset             = PRVM_ED_FindGlobalOffset("gettaginfo_offset");
1698         prog->globaloffsets.gettaginfo_parent             = PRVM_ED_FindGlobalOffset("gettaginfo_parent");
1699         prog->globaloffsets.gettaginfo_right              = PRVM_ED_FindGlobalOffset("gettaginfo_right");
1700         prog->globaloffsets.gettaginfo_up                 = PRVM_ED_FindGlobalOffset("gettaginfo_up");
1701         prog->globaloffsets.transparent_offset            = PRVM_ED_FindGlobalOffset("transparent_offset");
1702         prog->globaloffsets.intermission                  = PRVM_ED_FindGlobalOffset("intermission");
1703         prog->globaloffsets.require_spawnfunc_prefix      = PRVM_ED_FindGlobalOffset("require_spawnfunc_prefix");
1704         prog->globaloffsets.sb_showscores                 = PRVM_ED_FindGlobalOffset("sb_showscores");
1705         prog->globaloffsets.self                          = PRVM_ED_FindGlobalOffset("self");
1706         prog->globaloffsets.serverdeltatime               = PRVM_ED_FindGlobalOffset("serverdeltatime");
1707         prog->globaloffsets.serverprevtime                = PRVM_ED_FindGlobalOffset("serverprevtime");
1708         prog->globaloffsets.servertime                    = PRVM_ED_FindGlobalOffset("servertime");
1709         prog->globaloffsets.time                          = PRVM_ED_FindGlobalOffset("time");
1710         prog->globaloffsets.trace_allsolid                = PRVM_ED_FindGlobalOffset("trace_allsolid");
1711         prog->globaloffsets.trace_dphitcontents           = PRVM_ED_FindGlobalOffset("trace_dphitcontents");
1712         prog->globaloffsets.trace_dphitq3surfaceflags     = PRVM_ED_FindGlobalOffset("trace_dphitq3surfaceflags");
1713         prog->globaloffsets.trace_dphittexturename        = PRVM_ED_FindGlobalOffset("trace_dphittexturename");
1714         prog->globaloffsets.trace_dpstartcontents         = PRVM_ED_FindGlobalOffset("trace_dpstartcontents");
1715         prog->globaloffsets.trace_endpos                  = PRVM_ED_FindGlobalOffset("trace_endpos");
1716         prog->globaloffsets.trace_ent                     = PRVM_ED_FindGlobalOffset("trace_ent");
1717         prog->globaloffsets.trace_fraction                = PRVM_ED_FindGlobalOffset("trace_fraction");
1718         prog->globaloffsets.trace_inopen                  = PRVM_ED_FindGlobalOffset("trace_inopen");
1719         prog->globaloffsets.trace_inwater                 = PRVM_ED_FindGlobalOffset("trace_inwater");
1720         prog->globaloffsets.trace_networkentity           = PRVM_ED_FindGlobalOffset("trace_networkentity");
1721         prog->globaloffsets.trace_plane_dist              = PRVM_ED_FindGlobalOffset("trace_plane_dist");
1722         prog->globaloffsets.trace_plane_normal            = PRVM_ED_FindGlobalOffset("trace_plane_normal");
1723         prog->globaloffsets.trace_startsolid              = PRVM_ED_FindGlobalOffset("trace_startsolid");
1724         prog->globaloffsets.v_forward                     = PRVM_ED_FindGlobalOffset("v_forward");
1725         prog->globaloffsets.v_right                       = PRVM_ED_FindGlobalOffset("v_right");
1726         prog->globaloffsets.v_up                          = PRVM_ED_FindGlobalOffset("v_up");
1727         prog->globaloffsets.view_angles                   = PRVM_ED_FindGlobalOffset("view_angles");
1728         prog->globaloffsets.worldstatus                   = PRVM_ED_FindGlobalOffset("worldstatus");
1729         prog->globaloffsets.particles_alphamin            = PRVM_ED_FindGlobalOffset("particles_alphamin");
1730         prog->globaloffsets.particles_alphamax            = PRVM_ED_FindGlobalOffset("particles_alphamax");
1731         prog->globaloffsets.particles_colormin            = PRVM_ED_FindGlobalOffset("particles_colormin");
1732         prog->globaloffsets.particles_colormax            = PRVM_ED_FindGlobalOffset("particles_colormax");
1733
1734         // menu qc only uses some functions, nothing else
1735         prog->funcoffsets.m_draw                          = PRVM_ED_FindFunctionOffset("m_draw");
1736         prog->funcoffsets.m_init                          = PRVM_ED_FindFunctionOffset("m_init");
1737         prog->funcoffsets.m_keydown                       = PRVM_ED_FindFunctionOffset("m_keydown");
1738         prog->funcoffsets.m_keyup                         = PRVM_ED_FindFunctionOffset("m_keyup");
1739         prog->funcoffsets.m_shutdown                      = PRVM_ED_FindFunctionOffset("m_shutdown");
1740         prog->funcoffsets.m_toggle                        = PRVM_ED_FindFunctionOffset("m_toggle");
1741 }
1742
1743 // not used
1744 /*
1745 typedef struct dpfield_s
1746 {
1747         int type;
1748         char *string;
1749 }
1750 dpfield_t;
1751
1752 #define DPFIELDS (sizeof(dpfields) / sizeof(dpfield_t))
1753
1754 dpfield_t dpfields[] =
1755 {
1756 };
1757 */
1758
1759 /*
1760 ===============
1761 PRVM_ResetProg
1762 ===============
1763 */
1764
1765 #define PO_HASHSIZE 16384
1766 typedef struct po_string_s
1767 {
1768         char *key, *value;
1769         struct po_string_s *nextonhashchain;
1770 }
1771 po_string_t;
1772 typedef struct po_s
1773 {
1774         po_string_t *hashtable[PO_HASHSIZE];
1775 }
1776 po_t;
1777 void PRVM_PO_UnparseString(char *out, const char *in, size_t outsize)
1778 {
1779         for(;;)
1780         {
1781                 switch(*in)
1782                 {
1783                         case 0:
1784                                 *out++ = 0;
1785                                 return;
1786                         case '\a': if(outsize >= 2) { *out++ = '\\'; *out++ = 'a'; outsize -= 2; } break;
1787                         case '\b': if(outsize >= 2) { *out++ = '\\'; *out++ = 'b'; outsize -= 2; } break;
1788                         case '\t': if(outsize >= 2) { *out++ = '\\'; *out++ = 't'; outsize -= 2; } break;
1789                         case '\r': if(outsize >= 2) { *out++ = '\\'; *out++ = 'r'; outsize -= 2; } break;
1790                         case '\n': if(outsize >= 2) { *out++ = '\\'; *out++ = 'n'; outsize -= 2; } break;
1791                         case '\\': if(outsize >= 2) { *out++ = '\\'; *out++ = '\\'; outsize -= 2; } break;
1792                         case '"': if(outsize >= 2) { *out++ = '\\'; *out++ = '"'; outsize -= 2; } break;
1793                         default:
1794                                 if(*in >= 0 && *in <= 0x1F)
1795                                 {
1796                                         if(outsize >= 4)
1797                                         {
1798                                                 *out++ = '\\';
1799                                                 *out++ = '0' + ((*in & 0700) >> 6);
1800                                                 *out++ = '0' + ((*in & 0070) >> 3);
1801                                                 *out++ = '0' + ((*in & 0007));
1802                                                 outsize -= 4;
1803                                         }
1804                                 }
1805                                 else
1806                                 {
1807                                         if(outsize >= 1)
1808                                         {
1809                                                 *out++ = *in;
1810                                                 outsize -= 1;
1811                                         }
1812                                 }
1813                                 break;
1814                 }
1815                 ++in;
1816         }
1817 }
1818 void PRVM_PO_ParseString(char *out, const char *in, size_t outsize)
1819 {
1820         for(;;)
1821         {
1822                 switch(*in)
1823                 {
1824                         case 0:
1825                                 *out++ = 0;
1826                                 return;
1827                         case '\\':
1828                                 ++in;
1829                                 switch(*in)
1830                                 {
1831                                         case 'a': if(outsize > 0) { *out++ = '\a'; --outsize; } break;
1832                                         case 'b': if(outsize > 0) { *out++ = '\b'; --outsize; } break;
1833                                         case 't': if(outsize > 0) { *out++ = '\t'; --outsize; } break;
1834                                         case 'r': if(outsize > 0) { *out++ = '\r'; --outsize; } break;
1835                                         case 'n': if(outsize > 0) { *out++ = '\n'; --outsize; } break;
1836                                         case '\\': if(outsize > 0) { *out++ = '\\'; --outsize; } break;
1837                                         case '"': if(outsize > 0) { *out++ = '"'; --outsize; } break;
1838                                         case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7':
1839                                                 if(outsize > 0)
1840                                                         *out = *in - '0';
1841                                                 ++in;
1842                                                 if(*in >= '0' && *in <= '7')
1843                                                 {
1844                                                         if(outsize > 0)
1845                                                                 *out = (*out << 3) | (*in - '0');
1846                                                         ++in;
1847                                                 }
1848                                                 if(*in >= '0' && *in <= '7')
1849                                                 {
1850                                                         if(outsize > 0)
1851                                                                 *out = (*out << 3) | (*in - '0');
1852                                                         ++in;
1853                                                 }
1854                                                 --in;
1855                                                 if(outsize > 0)
1856                                                 {
1857                                                         ++out;
1858                                                         --outsize;
1859                                                 }
1860                                                 break;
1861                                         default:
1862                                                 if(outsize > 0) { *out++ = *in; --outsize; }
1863                                                 break;
1864                                 }
1865                                 break;
1866                         default:
1867                                 if(outsize > 0)
1868                                 {
1869                                         *out++ = *in;
1870                                         --outsize;
1871                                 }
1872                                 break;
1873                 }
1874                 ++in;
1875         }
1876 }
1877 po_t *PRVM_PO_Load(const char *filename, mempool_t *pool)
1878 {
1879         po_t *po;
1880         const char *p, *q;
1881         int mode;
1882         char inbuf[MAX_INPUTLINE];
1883         char decodedbuf[MAX_INPUTLINE];
1884         size_t decodedpos;
1885         int hashindex;
1886         po_string_t thisstr;
1887         const char *buf = (const char *) FS_LoadFile(filename, pool, true, NULL);
1888
1889         if(!buf)
1890                 return NULL;
1891
1892         po = Mem_Alloc(pool, sizeof(*po));
1893         memset(po, 0, sizeof(*po));
1894
1895         p = buf;
1896         while(*p)
1897         {
1898                 if(*p == '#')
1899                 {
1900                         // skip to newline
1901                         p = strchr(p, '\n');
1902                         if(!p)
1903                                 break;
1904                         ++p;
1905                         continue;
1906                 }
1907                 if(*p == '\r' || *p == '\n')
1908                 {
1909                         ++p;
1910                         continue;
1911                 }
1912                 if(!strncmp(p, "msgid \"", 7))
1913                 {
1914                         mode = 0;
1915                         p += 6;
1916                 }
1917                 else if(!strncmp(p, "msgstr \"", 8))
1918                 {
1919                         mode = 1;
1920                         p += 7;
1921                 }
1922                 else
1923                 {
1924                         p = strchr(p, '\n');
1925                         if(!p)
1926                                 break;
1927                         ++p;
1928                         continue;
1929                 }
1930                 decodedpos = 0;
1931                 while(*p == '"')
1932                 {
1933                         ++p;
1934                         q = strchr(p, '\n');
1935                         if(!q)
1936                                 break;
1937                         if(*(q-1) == '\r')
1938                                 --q;
1939                         if(*(q-1) != '"')
1940                                 break;
1941                         if((size_t)(q - p) >= (size_t) sizeof(inbuf))
1942                                 break;
1943                         strlcpy(inbuf, p, q - p); // not - 1, because this adds a NUL
1944                         PRVM_PO_ParseString(decodedbuf + decodedpos, inbuf, sizeof(decodedbuf) - decodedpos);
1945                         decodedpos += strlen(decodedbuf + decodedpos);
1946                         if(*q == '\r')
1947                                 ++q;
1948                         if(*q == '\n')
1949                                 ++q;
1950                         p = q;
1951                 }
1952                 if(mode == 0)
1953                 {
1954                         if(thisstr.key)
1955                                 Mem_Free(thisstr.key);
1956                         thisstr.key = Mem_Alloc(pool, decodedpos + 1);
1957                         memcpy(thisstr.key, decodedbuf, decodedpos + 1);
1958                 }
1959                 else if(decodedpos > 0 && thisstr.key) // skip empty translation results
1960                 {
1961                         thisstr.value = Mem_Alloc(pool, decodedpos + 1);
1962                         memcpy(thisstr.value, decodedbuf, decodedpos + 1);
1963                         hashindex = CRC_Block((const unsigned char *) thisstr.key, strlen(thisstr.key)) % PO_HASHSIZE;
1964                         thisstr.nextonhashchain = po->hashtable[hashindex];
1965                         po->hashtable[hashindex] = Mem_Alloc(pool, sizeof(thisstr));
1966                         memcpy(po->hashtable[hashindex], &thisstr, sizeof(thisstr));
1967                         memset(&thisstr, 0, sizeof(thisstr));
1968                 }
1969         }
1970
1971         Mem_Free((char *) buf);
1972         return po;
1973 }
1974 const char *PRVM_PO_Lookup(po_t *po, const char *str)
1975 {
1976         int hashindex = CRC_Block((const unsigned char *) str, strlen(str)) % PO_HASHSIZE;
1977         po_string_t *p = po->hashtable[hashindex];
1978         while(p)
1979         {
1980                 if(!strcmp(str, p->key))
1981                         return p->value;
1982                 p = p->nextonhashchain;
1983         }
1984         return NULL;
1985 }
1986 void PRVM_PO_Destroy(po_t *po)
1987 {
1988         int i;
1989         for(i = 0; i < PO_HASHSIZE; ++i)
1990         {
1991                 po_string_t *p = po->hashtable[i];
1992                 while(p)
1993                 {
1994                         po_string_t *q = p;
1995                         p = p->nextonhashchain;
1996                         Mem_Free(q->key);
1997                         Mem_Free(q->value);
1998                         Mem_Free(q);
1999                 }
2000         }
2001         Mem_Free(po);
2002 }
2003
2004 void PRVM_LeakTest(void);
2005 void PRVM_ResetProg(void)
2006 {
2007         PRVM_LeakTest();
2008         PRVM_GCALL(reset_cmd)();
2009         Mem_FreePool(&prog->progs_mempool);
2010         if(prog->po)
2011                 PRVM_PO_Destroy((po_t *) prog->po);
2012         memset(prog,0,sizeof(prvm_prog_t));
2013         prog->starttime = Sys_DoubleTime();
2014 }
2015
2016 /*
2017 ===============
2018 PRVM_LoadLNO
2019 ===============
2020 */
2021 void PRVM_LoadLNO( const char *progname ) {
2022         fs_offset_t filesize;
2023         unsigned char *lno;
2024         unsigned int *header;
2025         char filename[512];
2026
2027         FS_StripExtension( progname, filename, sizeof( filename ) );
2028         strlcat( filename, ".lno", sizeof( filename ) );
2029
2030         lno = FS_LoadFile( filename, tempmempool, false, &filesize );
2031         if( !lno ) {
2032                 return;
2033         }
2034
2035 /*
2036 <Spike>    SafeWrite (h, &lnotype, sizeof(int));
2037 <Spike>    SafeWrite (h, &version, sizeof(int));
2038 <Spike>    SafeWrite (h, &numglobaldefs, sizeof(int));
2039 <Spike>    SafeWrite (h, &numpr_globals, sizeof(int));
2040 <Spike>    SafeWrite (h, &numfielddefs, sizeof(int));
2041 <Spike>    SafeWrite (h, &numstatements, sizeof(int));
2042 <Spike>    SafeWrite (h, statement_linenums, numstatements*sizeof(int));
2043 */
2044         if( (unsigned) filesize < (6 + prog->progs->numstatements) * sizeof( int ) ) {
2045                 Mem_Free(lno);
2046                 return;
2047         }
2048
2049         header = (unsigned int *) lno;
2050         if( header[ 0 ] == *(unsigned int *) "LNOF" &&
2051                 LittleLong( header[ 1 ] ) == 1 &&
2052                 (unsigned int)LittleLong( header[ 2 ] ) == (unsigned int)prog->progs->numglobaldefs &&
2053                 (unsigned int)LittleLong( header[ 3 ] ) == (unsigned int)prog->progs->numglobals &&
2054                 (unsigned int)LittleLong( header[ 4 ] ) == (unsigned int)prog->progs->numfielddefs &&
2055                 (unsigned int)LittleLong( header[ 5 ] ) == (unsigned int)prog->progs->numstatements )
2056         {
2057                 prog->statement_linenums = (int *)Mem_Alloc(prog->progs_mempool, prog->progs->numstatements * sizeof( int ) );
2058                 memcpy( prog->statement_linenums, (int *) lno + 6, prog->progs->numstatements * sizeof( int ) );
2059         }
2060         Mem_Free( lno );
2061 }
2062
2063 /*
2064 ===============
2065 PRVM_LoadProgs
2066 ===============
2067 */
2068 void PRVM_LoadProgs (const char * filename, int numrequiredfunc, char **required_func, int numrequiredfields, prvm_required_field_t *required_field, int numrequiredglobals, char **required_global)
2069 {
2070         int i;
2071         dstatement_t *st;
2072         ddef_t *infielddefs;
2073         dfunction_t *dfunctions;
2074         fs_offset_t filesize;
2075
2076         if( prog->loaded ) {
2077                 PRVM_ERROR ("PRVM_LoadProgs: there is already a %s program loaded!", PRVM_NAME );
2078         }
2079
2080         prog->progs = (dprograms_t *)FS_LoadFile (filename, prog->progs_mempool, false, &filesize);
2081         if (prog->progs == NULL || filesize < (fs_offset_t)sizeof(dprograms_t))
2082                 PRVM_ERROR ("PRVM_LoadProgs: couldn't load %s for %s", filename, PRVM_NAME);
2083         // TODO bounds check header fields (e.g. numstatements), they must never go behind end of file
2084
2085         Con_DPrintf("%s programs occupy %iK.\n", PRVM_NAME, (int)(filesize/1024));
2086
2087         prog->filecrc = CRC_Block((unsigned char *)prog->progs, filesize);
2088
2089 // byte swap the header
2090         for (i = 0;i < (int) sizeof(*prog->progs) / 4;i++)
2091                 ((int *)prog->progs)[i] = LittleLong ( ((int *)prog->progs)[i] );
2092
2093         if (prog->progs->version != PROG_VERSION)
2094                 PRVM_ERROR ("%s: %s has wrong version number (%i should be %i)", PRVM_NAME, filename, prog->progs->version, PROG_VERSION);
2095         if (prog->progs->crc != prog->headercrc && prog->progs->crc != prog->headercrc2)
2096                 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);
2097
2098         //prog->functions = (dfunction_t *)((unsigned char *)progs + progs->ofs_functions);
2099         dfunctions = (dfunction_t *)((unsigned char *)prog->progs + prog->progs->ofs_functions);
2100
2101         if (prog->progs->ofs_strings + prog->progs->numstrings >= (int)filesize)
2102                 PRVM_ERROR ("%s: %s strings go past end of file", PRVM_NAME, filename);
2103         prog->strings = (char *)prog->progs + prog->progs->ofs_strings;
2104         prog->stringssize = prog->progs->numstrings;
2105
2106         prog->numknownstrings = 0;
2107         prog->maxknownstrings = 0;
2108         prog->knownstrings = NULL;
2109         prog->knownstrings_freeable = NULL;
2110
2111         Mem_ExpandableArray_NewArray(&prog->stringbuffersarray, prog->progs_mempool, sizeof(prvm_stringbuffer_t), 64);
2112
2113         prog->globaldefs = (ddef_t *)((unsigned char *)prog->progs + prog->progs->ofs_globaldefs);
2114
2115         // we need to expand the fielddefs list to include all the engine fields,
2116         // so allocate a new place for it
2117         infielddefs = (ddef_t *)((unsigned char *)prog->progs + prog->progs->ofs_fielddefs);
2118         //                                                                                              ( + DPFIELDS                       )
2119         prog->fielddefs = (ddef_t *)Mem_Alloc(prog->progs_mempool, (prog->progs->numfielddefs + numrequiredfields) * sizeof(ddef_t));
2120
2121         prog->statements = (dstatement_t *)((unsigned char *)prog->progs + prog->progs->ofs_statements);
2122
2123         prog->statement_profile = (double *)Mem_Alloc(prog->progs_mempool, prog->progs->numstatements * sizeof(*prog->statement_profile));
2124
2125         //pr_global_struct = (globalvars_t *)((unsigned char *)progs + progs->ofs_globals);
2126         prog->globals.generic = (float *)((unsigned char *)prog->progs + prog->progs->ofs_globals);
2127
2128 // byte swap the lumps
2129         for (i=0 ; i<prog->progs->numstatements ; i++)
2130         {
2131                 prog->statements[i].op = LittleShort(prog->statements[i].op);
2132                 prog->statements[i].a = LittleShort(prog->statements[i].a);
2133                 prog->statements[i].b = LittleShort(prog->statements[i].b);
2134                 prog->statements[i].c = LittleShort(prog->statements[i].c);
2135         }
2136
2137         prog->functions = (mfunction_t *)Mem_Alloc(prog->progs_mempool, sizeof(mfunction_t) * prog->progs->numfunctions);
2138         for (i = 0;i < prog->progs->numfunctions;i++)
2139         {
2140                 prog->functions[i].first_statement = LittleLong (dfunctions[i].first_statement);
2141                 prog->functions[i].parm_start = LittleLong (dfunctions[i].parm_start);
2142                 prog->functions[i].s_name = LittleLong (dfunctions[i].s_name);
2143                 prog->functions[i].s_file = LittleLong (dfunctions[i].s_file);
2144                 prog->functions[i].numparms = LittleLong (dfunctions[i].numparms);
2145                 prog->functions[i].locals = LittleLong (dfunctions[i].locals);
2146                 memcpy(prog->functions[i].parm_size, dfunctions[i].parm_size, sizeof(dfunctions[i].parm_size));
2147                 if(prog->functions[i].first_statement >= prog->progs->numstatements)
2148                         PRVM_ERROR("PRVM_LoadProgs: out of bounds function statement (function %d) in %s", i, PRVM_NAME);
2149                 // TODO bounds check parm_start, s_name, s_file, numparms, locals, parm_size
2150         }
2151
2152         for (i=0 ; i<prog->progs->numglobaldefs ; i++)
2153         {
2154                 prog->globaldefs[i].type = LittleShort (prog->globaldefs[i].type);
2155                 prog->globaldefs[i].ofs = LittleShort (prog->globaldefs[i].ofs);
2156                 prog->globaldefs[i].s_name = LittleLong (prog->globaldefs[i].s_name);
2157                 // TODO bounds check ofs, s_name
2158         }
2159
2160         // copy the progs fields to the new fields list
2161         for (i = 0;i < prog->progs->numfielddefs;i++)
2162         {
2163                 prog->fielddefs[i].type = LittleShort (infielddefs[i].type);
2164                 if (prog->fielddefs[i].type & DEF_SAVEGLOBAL)
2165                         PRVM_ERROR ("PRVM_LoadProgs: prog->fielddefs[i].type & DEF_SAVEGLOBAL in %s", PRVM_NAME);
2166                 prog->fielddefs[i].ofs = LittleShort (infielddefs[i].ofs);
2167                 prog->fielddefs[i].s_name = LittleLong (infielddefs[i].s_name);
2168                 // TODO bounds check ofs, s_name
2169         }
2170
2171         // append the required fields
2172         for (i = 0;i < (int) numrequiredfields;i++)
2173         {
2174                 prog->fielddefs[prog->progs->numfielddefs].type = required_field[i].type;
2175                 prog->fielddefs[prog->progs->numfielddefs].ofs = prog->progs->entityfields;
2176                 prog->fielddefs[prog->progs->numfielddefs].s_name = PRVM_SetEngineString(required_field[i].name);
2177                 // TODO bounds check ofs, s_name
2178                 if (prog->fielddefs[prog->progs->numfielddefs].type == ev_vector)
2179                         prog->progs->entityfields += 3;
2180                 else
2181                         prog->progs->entityfields++;
2182                 prog->progs->numfielddefs++;
2183         }
2184         prog->entityfields = prog->progs->entityfields;
2185
2186         // check required functions
2187         for(i=0 ; i < numrequiredfunc ; i++)
2188                 if(PRVM_ED_FindFunction(required_func[i]) == 0)
2189                         PRVM_ERROR("%s: %s not found in %s",PRVM_NAME, required_func[i], filename);
2190
2191         // check required globals
2192         for(i=0 ; i < numrequiredglobals ; i++)
2193                 if(PRVM_ED_FindGlobal(required_global[i]) == 0)
2194                         PRVM_ERROR("%s: %s not found in %s",PRVM_NAME, required_global[i], filename);
2195
2196         for (i=0 ; i<prog->progs->numglobals ; i++)
2197                 ((int *)prog->globals.generic)[i] = LittleLong (((int *)prog->globals.generic)[i]);
2198
2199         // LordHavoc: bounds check anything static
2200         for (i = 0,st = prog->statements;i < prog->progs->numstatements;i++,st++)
2201         {
2202                 switch (st->op)
2203                 {
2204                 case OP_IF:
2205                 case OP_IFNOT:
2206                         if ((unsigned short) st->a >= prog->progs->numglobals || st->b + i < 0 || st->b + i >= prog->progs->numstatements)
2207                                 PRVM_ERROR("PRVM_LoadProgs: out of bounds IF/IFNOT (statement %d) in %s", i, PRVM_NAME);
2208                         break;
2209                 case OP_GOTO:
2210                         if (st->a + i < 0 || st->a + i >= prog->progs->numstatements)
2211                                 PRVM_ERROR("PRVM_LoadProgs: out of bounds GOTO (statement %d) in %s", i, PRVM_NAME);
2212                         break;
2213                 // global global global
2214                 case OP_ADD_F:
2215                 case OP_ADD_V:
2216                 case OP_SUB_F:
2217                 case OP_SUB_V:
2218                 case OP_MUL_F:
2219                 case OP_MUL_V:
2220                 case OP_MUL_FV:
2221                 case OP_MUL_VF:
2222                 case OP_DIV_F:
2223                 case OP_BITAND:
2224                 case OP_BITOR:
2225                 case OP_GE:
2226                 case OP_LE:
2227                 case OP_GT:
2228                 case OP_LT:
2229                 case OP_AND:
2230                 case OP_OR:
2231                 case OP_EQ_F:
2232                 case OP_EQ_V:
2233                 case OP_EQ_S:
2234                 case OP_EQ_E:
2235                 case OP_EQ_FNC:
2236                 case OP_NE_F:
2237                 case OP_NE_V:
2238                 case OP_NE_S:
2239                 case OP_NE_E:
2240                 case OP_NE_FNC:
2241                 case OP_ADDRESS:
2242                 case OP_LOAD_F:
2243                 case OP_LOAD_FLD:
2244                 case OP_LOAD_ENT:
2245                 case OP_LOAD_S:
2246                 case OP_LOAD_FNC:
2247                 case OP_LOAD_V:
2248                         if ((unsigned short) st->a >= prog->progs->numglobals || (unsigned short) st->b >= prog->progs->numglobals || (unsigned short) st->c >= prog->progs->numglobals)
2249                                 PRVM_ERROR("PRVM_LoadProgs: out of bounds global index (statement %d)", i);
2250                         break;
2251                 // global none global
2252                 case OP_NOT_F:
2253                 case OP_NOT_V:
2254                 case OP_NOT_S:
2255                 case OP_NOT_FNC:
2256                 case OP_NOT_ENT:
2257                         if ((unsigned short) st->a >= prog->progs->numglobals || (unsigned short) st->c >= prog->progs->numglobals)
2258                                 PRVM_ERROR("PRVM_LoadProgs: out of bounds global index (statement %d) in %s", i, PRVM_NAME);
2259                         break;
2260                 // 2 globals
2261                 case OP_STOREP_F:
2262                 case OP_STOREP_ENT:
2263                 case OP_STOREP_FLD:
2264                 case OP_STOREP_S:
2265                 case OP_STOREP_FNC:
2266                 case OP_STORE_F:
2267                 case OP_STORE_ENT:
2268                 case OP_STORE_FLD:
2269                 case OP_STORE_S:
2270                 case OP_STORE_FNC:
2271                 case OP_STATE:
2272                 case OP_STOREP_V:
2273                 case OP_STORE_V:
2274                         if ((unsigned short) st->a >= prog->progs->numglobals || (unsigned short) st->b >= prog->progs->numglobals)
2275                                 PRVM_ERROR("PRVM_LoadProgs: out of bounds global index (statement %d) in %s", i, PRVM_NAME);
2276                         break;
2277                 // 1 global
2278                 case OP_CALL0:
2279                 case OP_CALL1:
2280                 case OP_CALL2:
2281                 case OP_CALL3:
2282                 case OP_CALL4:
2283                 case OP_CALL5:
2284                 case OP_CALL6:
2285                 case OP_CALL7:
2286                 case OP_CALL8:
2287                 case OP_DONE:
2288                 case OP_RETURN:
2289                         if ((unsigned short) st->a >= prog->progs->numglobals)
2290                                 PRVM_ERROR("PRVM_LoadProgs: out of bounds global index (statement %d) in %s", i, PRVM_NAME);
2291                         break;
2292                 default:
2293                         Con_DPrintf("PRVM_LoadProgs: unknown opcode %d at statement %d in %s\n", st->op, i, PRVM_NAME);
2294                         break;
2295                 }
2296         }
2297         if(prog->progs->numstatements < 1)
2298         {
2299                 PRVM_ERROR("PRVM_LoadProgs: empty program in %s", PRVM_NAME);
2300         }
2301         else switch(prog->statements[prog->progs->numstatements - 1].op)
2302         {
2303                 case OP_RETURN:
2304                 case OP_GOTO:
2305                 case OP_DONE:
2306                         break;
2307                 default:
2308                         PRVM_ERROR("PRVM_LoadProgs: program may fall off the edge (does not end with RETURN, GOTO or DONE) in %s", PRVM_NAME);
2309                         break;
2310         }
2311
2312         PRVM_LoadLNO(filename);
2313
2314         PRVM_Init_Exec();
2315
2316         if(*prvm_language.string)
2317         // in CSQC we really shouldn't be able to change how stuff works... sorry for now
2318         // later idea: include a list of authorized .po file checksums with the csprogs
2319         {
2320                 qboolean deftrans = !!strcmp(PRVM_NAME, "client");
2321                 if(deftrans) // once we have dotranslate_ strings, ALWAYS use the opt-in method!
2322                 {
2323                         for (i=0 ; i<prog->progs->numglobaldefs ; i++)
2324                         {
2325                                 const char *name;
2326                                 name = PRVM_GetString(prog->globaldefs[i].s_name);
2327                                 if((prog->globaldefs[i].type & ~DEF_SAVEGLOBAL) == ev_string)
2328                                 if(name && !strncmp(name, "dotranslate_", 12))
2329                                 {
2330                                         deftrans = false;
2331                                         break;
2332                                 }
2333                         }
2334                 }
2335                 if(!strcmp(prvm_language.string, "dump"))
2336                 {
2337                         qfile_t *f = FS_OpenRealFile(va("%s.%s.po", filename, prvm_language.string), "w", false);
2338                         Con_Printf("Dumping to %s.%s.po\n", filename, prvm_language.string);
2339                         if(f)
2340                         {
2341                                 for (i=0 ; i<prog->progs->numglobaldefs ; i++)
2342                                 {
2343                                         const char *name;
2344                                         name = PRVM_GetString(prog->globaldefs[i].s_name);
2345                                         if((prog->globaldefs[i].type & ~DEF_SAVEGLOBAL) == ev_string)
2346                                         if(deftrans ? (!name || strncmp(name, "notranslate_", 12)) : (name && !strncmp(name, "dotranslate_", 12)))
2347                                         {
2348                                                 prvm_eval_t *val = (prvm_eval_t *)(prog->globals.generic + prog->globaldefs[i].ofs);
2349                                                 const char *value = PRVM_GetString(val->string);
2350                                                 if(*value)
2351                                                 {
2352                                                         char buf[MAX_INPUTLINE];
2353                                                         PRVM_PO_UnparseString(buf, value, sizeof(buf));
2354                                                         FS_Printf(f, "msgid \"%s\"\nmsgstr \"\"\n\n", buf);
2355                                                 }
2356                                         }
2357                                 }
2358                                 FS_Close(f);
2359                         }
2360                 }
2361                 else
2362                 {
2363                         po_t *po = PRVM_PO_Load(va("%s.%s.po", filename, prvm_language.string), prog->progs_mempool);
2364                         if(po)
2365                         {
2366                                 for (i=0 ; i<prog->progs->numglobaldefs ; i++)
2367                                 {
2368                                         const char *name;
2369                                         name = PRVM_GetString(prog->globaldefs[i].s_name);
2370                                         if(deftrans ? (!name || strncmp(name, "notranslate_", 12)) : (name && !strncmp(name, "dotranslate_", 12)))
2371                                         if((prog->globaldefs[i].type & ~DEF_SAVEGLOBAL) == ev_string)
2372                                         {
2373                                                 prvm_eval_t *val = (prvm_eval_t *)(prog->globals.generic + prog->globaldefs[i].ofs);
2374                                                 const char *value = PRVM_GetString(val->string);
2375                                                 if(*value)
2376                                                 {
2377                                                         value = PRVM_PO_Lookup(po, value);
2378                                                         if(value)
2379                                                                 val->string = PRVM_SetEngineString(value);
2380                                                 }
2381                                         }
2382                                 }
2383                         }
2384                 }
2385         }
2386
2387         for (i=0 ; i<prog->progs->numglobaldefs ; i++)
2388         {
2389                 const char *name;
2390                 name = PRVM_GetString(prog->globaldefs[i].s_name);
2391                 //Con_Printf("found var %s\n", name);
2392                 if(name
2393                         && !strncmp(name, "autocvar_", 9)
2394                         && !(strlen(name) > 1 && name[strlen(name)-2] == '_' && (name[strlen(name)-1] == 'x' || name[strlen(name)-1] == 'y' || name[strlen(name)-1] == 'z'))
2395                 )
2396                 {
2397                         prvm_eval_t *val = (prvm_eval_t *)(prog->globals.generic + prog->globaldefs[i].ofs);
2398                         cvar_t *cvar = Cvar_FindVar(name + 9);
2399                         //Con_Printf("PRVM_LoadProgs: autocvar global %s in %s, processing...\n", name, PRVM_NAME);
2400                         if(!cvar)
2401                         {
2402                                 const char *value;
2403                                 char buf[64];
2404                                 Con_Printf("PRVM_LoadProgs: no cvar for autocvar global %s in %s, creating...\n", name, PRVM_NAME);
2405                                 switch(prog->globaldefs[i].type & ~DEF_SAVEGLOBAL)
2406                                 {
2407                                         case ev_float:
2408                                                 if((float)((int)(val->_float)) == val->_float)
2409                                                         dpsnprintf(buf, sizeof(buf), "%i", (int)(val->_float));
2410                                                 else
2411                                                         dpsnprintf(buf, sizeof(buf), "%.9g", val->_float);
2412                                                 value = buf;
2413                                                 break;
2414                                         case ev_vector:
2415                                                 dpsnprintf(buf, sizeof(buf), "%.9g %.9g %.9g", val->vector[0], val->vector[1], val->vector[2]); value = buf;
2416                                                 break;
2417                                         case ev_string:
2418                                                 value = PRVM_GetString(val->string);
2419                                                 break;
2420                                         default:
2421                                                 Con_Printf("PRVM_LoadProgs: invalid type of autocvar global %s in %s\n", name, PRVM_NAME);
2422                                                 goto fail;
2423                                 }
2424                                 cvar = Cvar_Get(name + 9, value, 0, NULL);
2425                                 if((prog->globaldefs[i].type & ~DEF_SAVEGLOBAL) == ev_string)
2426                                 {
2427                                         val->string = PRVM_SetEngineString(cvar->string);
2428                                         cvar->globaldefindex_stringno[prog - prog_list] = val->string;
2429                                 }
2430                                 if(!cvar)
2431                                         PRVM_ERROR("PRVM_LoadProgs: could not create cvar for autocvar global %s in %s", name, PRVM_NAME);
2432                                 cvar->globaldefindex_progid[prog - prog_list] = prog->id;
2433                                 cvar->globaldefindex[prog - prog_list] = i;
2434                         }
2435                         else if((cvar->flags & CVAR_PRIVATE) == 0)
2436                         {
2437                                 // MUST BE SYNCED WITH cvar.c Cvar_Set
2438                                 int j;
2439                                 const char *s;
2440                                 switch(prog->globaldefs[i].type & ~DEF_SAVEGLOBAL)
2441                                 {
2442                                         case ev_float:
2443                                                 val->_float = cvar->value;
2444                                                 break;
2445                                         case ev_vector:
2446                                                 s = cvar->string;
2447                                                 VectorClear(val->vector);
2448                                                 for (j = 0;j < 3;j++)
2449                                                 {
2450                                                         while (*s && ISWHITESPACE(*s))
2451                                                                 s++;
2452                                                         if (!*s)
2453                                                                 break;
2454                                                         val->vector[j] = atof(s);
2455                                                         while (!ISWHITESPACE(*s))
2456                                                                 s++;
2457                                                         if (!*s)
2458                                                                 break;
2459                                                 }
2460                                                 break;
2461                                         case ev_string:
2462                                                 val->string = PRVM_SetEngineString(cvar->string);
2463                                                 cvar->globaldefindex_stringno[prog - prog_list] = val->string;
2464                                                 break;
2465                                         default:
2466                                                 Con_Printf("PRVM_LoadProgs: invalid type of autocvar global %s in %s\n", name, PRVM_NAME);
2467                                                 goto fail;
2468                                 }
2469                                 cvar->globaldefindex_progid[prog - prog_list] = prog->id;
2470                                 cvar->globaldefindex[prog - prog_list] = i;
2471                         }
2472                         else
2473                                 Con_Printf("PRVM_LoadProgs: private cvar for autocvar global %s in %s\n", name, PRVM_NAME);
2474                 }
2475 fail:
2476                 ;
2477         }
2478
2479         prog->loaded = TRUE;
2480
2481         // set flags & ddef_ts in prog
2482
2483         prog->flag = 0;
2484
2485         PRVM_FindOffsets();
2486
2487         PRVM_GCALL(init_cmd)();
2488
2489         // init mempools
2490         PRVM_MEM_Alloc();
2491 }
2492
2493
2494 void PRVM_Fields_f (void)
2495 {
2496         int i, j, ednum, used, usedamount;
2497         int *counts;
2498         char tempstring[MAX_INPUTLINE], tempstring2[260];
2499         const char *name;
2500         prvm_edict_t *ed;
2501         ddef_t *d;
2502         int *v;
2503
2504         // TODO
2505         /*
2506         if (!sv.active)
2507         {
2508                 Con_Print("no progs loaded\n");
2509                 return;
2510         }
2511         */
2512
2513         if(Cmd_Argc() != 2)
2514         {
2515                 Con_Print("prvm_fields <program name>\n");
2516                 return;
2517         }
2518
2519         PRVM_Begin;
2520         if(!PRVM_SetProgFromString(Cmd_Argv(1)))
2521                 return;
2522
2523         counts = (int *)Mem_Alloc(tempmempool, prog->progs->numfielddefs * sizeof(int));
2524         for (ednum = 0;ednum < prog->max_edicts;ednum++)
2525         {
2526                 ed = PRVM_EDICT_NUM(ednum);
2527                 if (ed->priv.required->free)
2528                         continue;
2529                 for (i = 1;i < prog->progs->numfielddefs;i++)
2530                 {
2531                         d = &prog->fielddefs[i];
2532                         name = PRVM_GetString(d->s_name);
2533                         if (name[strlen(name)-2] == '_')
2534                                 continue;       // skip _x, _y, _z vars
2535                         v = (int *)(ed->fields.vp + d->ofs);
2536                         // if the value is still all 0, skip the field
2537                         for (j = 0;j < prvm_type_size[d->type & ~DEF_SAVEGLOBAL];j++)
2538                         {
2539                                 if (v[j])
2540                                 {
2541                                         counts[i]++;
2542                                         break;
2543                                 }
2544                         }
2545                 }
2546         }
2547         used = 0;
2548         usedamount = 0;
2549         tempstring[0] = 0;
2550         for (i = 0;i < prog->progs->numfielddefs;i++)
2551         {
2552                 d = &prog->fielddefs[i];
2553                 name = PRVM_GetString(d->s_name);
2554                 if (name[strlen(name)-2] == '_')
2555                         continue;       // skip _x, _y, _z vars
2556                 switch(d->type & ~DEF_SAVEGLOBAL)
2557                 {
2558                 case ev_string:
2559                         strlcat(tempstring, "string   ", sizeof(tempstring));
2560                         break;
2561                 case ev_entity:
2562                         strlcat(tempstring, "entity   ", sizeof(tempstring));
2563                         break;
2564                 case ev_function:
2565                         strlcat(tempstring, "function ", sizeof(tempstring));
2566                         break;
2567                 case ev_field:
2568                         strlcat(tempstring, "field    ", sizeof(tempstring));
2569                         break;
2570                 case ev_void:
2571                         strlcat(tempstring, "void     ", sizeof(tempstring));
2572                         break;
2573                 case ev_float:
2574                         strlcat(tempstring, "float    ", sizeof(tempstring));
2575                         break;
2576                 case ev_vector:
2577                         strlcat(tempstring, "vector   ", sizeof(tempstring));
2578                         break;
2579                 case ev_pointer:
2580                         strlcat(tempstring, "pointer  ", sizeof(tempstring));
2581                         break;
2582                 default:
2583                         dpsnprintf (tempstring2, sizeof(tempstring2), "bad type %i ", d->type & ~DEF_SAVEGLOBAL);
2584                         strlcat(tempstring, tempstring2, sizeof(tempstring));
2585                         break;
2586                 }
2587                 if (strlen(name) > sizeof(tempstring2)-4)
2588                 {
2589                         memcpy (tempstring2, name, sizeof(tempstring2)-4);
2590                         tempstring2[sizeof(tempstring2)-4] = tempstring2[sizeof(tempstring2)-3] = tempstring2[sizeof(tempstring2)-2] = '.';
2591                         tempstring2[sizeof(tempstring2)-1] = 0;
2592                         name = tempstring2;
2593                 }
2594                 strlcat(tempstring, name, sizeof(tempstring));
2595                 for (j = (int)strlen(name);j < 25;j++)
2596                         strlcat(tempstring, " ", sizeof(tempstring));
2597                 dpsnprintf(tempstring2, sizeof(tempstring2), "%5d", counts[i]);
2598                 strlcat(tempstring, tempstring2, sizeof(tempstring));
2599                 strlcat(tempstring, "\n", sizeof(tempstring));
2600                 if (strlen(tempstring) >= sizeof(tempstring)/2)
2601                 {
2602                         Con_Print(tempstring);
2603                         tempstring[0] = 0;
2604                 }
2605                 if (counts[i])
2606                 {
2607                         used++;
2608                         usedamount += prvm_type_size[d->type & ~DEF_SAVEGLOBAL];
2609                 }
2610         }
2611         Mem_Free(counts);
2612         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);
2613
2614         PRVM_End;
2615 }
2616
2617 void PRVM_Globals_f (void)
2618 {
2619         int i;
2620         const char *wildcard;
2621         int numculled;
2622                 numculled = 0;
2623         // TODO
2624         /*if (!sv.active)
2625         {
2626                 Con_Print("no progs loaded\n");
2627                 return;
2628         }*/
2629         if(Cmd_Argc () < 2 || Cmd_Argc() > 3)
2630         {
2631                 Con_Print("prvm_globals <program name> <optional name wildcard>\n");
2632                 return;
2633         }
2634
2635         PRVM_Begin;
2636         if(!PRVM_SetProgFromString (Cmd_Argv (1)))
2637                 return;
2638
2639         if( Cmd_Argc() == 3)
2640                 wildcard = Cmd_Argv(2);
2641         else
2642                 wildcard = NULL;
2643
2644         Con_Printf("%s :", PRVM_NAME);
2645
2646         for (i = 0;i < prog->progs->numglobaldefs;i++)
2647         {
2648                 if(wildcard)
2649                         if( !matchpattern( PRVM_GetString(prog->globaldefs[i].s_name), wildcard, 1) )
2650                         {
2651                                 numculled++;
2652                                 continue;
2653                         }
2654                 Con_Printf("%s\n", PRVM_GetString(prog->globaldefs[i].s_name));
2655         }
2656         Con_Printf("%i global variables, %i culled, totalling %i bytes\n", prog->progs->numglobals, numculled, prog->progs->numglobals * 4);
2657
2658         PRVM_End;
2659 }
2660
2661 /*
2662 ===============
2663 PRVM_Global
2664 ===============
2665 */
2666 void PRVM_Global_f(void)
2667 {
2668         ddef_t *global;
2669         if( Cmd_Argc() != 3 ) {
2670                 Con_Printf( "prvm_global <program name> <global name>\n" );
2671                 return;
2672         }
2673
2674         PRVM_Begin;
2675         if( !PRVM_SetProgFromString( Cmd_Argv(1) ) )
2676                 return;
2677
2678         global = PRVM_ED_FindGlobal( Cmd_Argv(2) );
2679         if( !global )
2680                 Con_Printf( "No global '%s' in %s!\n", Cmd_Argv(2), Cmd_Argv(1) );
2681         else
2682                 Con_Printf( "%s: %s\n", Cmd_Argv(2), PRVM_ValueString( (etype_t)global->type, (prvm_eval_t *) &prog->globals.generic[ global->ofs ] ) );
2683         PRVM_End;
2684 }
2685
2686 /*
2687 ===============
2688 PRVM_GlobalSet
2689 ===============
2690 */
2691 void PRVM_GlobalSet_f(void)
2692 {
2693         ddef_t *global;
2694         if( Cmd_Argc() != 4 ) {
2695                 Con_Printf( "prvm_globalset <program name> <global name> <value>\n" );
2696                 return;
2697         }
2698
2699         PRVM_Begin;
2700         if( !PRVM_SetProgFromString( Cmd_Argv(1) ) )
2701                 return;
2702
2703         global = PRVM_ED_FindGlobal( Cmd_Argv(2) );
2704         if( !global )
2705                 Con_Printf( "No global '%s' in %s!\n", Cmd_Argv(2), Cmd_Argv(1) );
2706         else
2707                 PRVM_ED_ParseEpair( NULL, global, Cmd_Argv(3), true );
2708         PRVM_End;
2709 }
2710
2711 /*
2712 ===============
2713 PRVM_Init
2714 ===============
2715 */
2716 void PRVM_Init (void)
2717 {
2718         Cmd_AddCommand ("prvm_edict", PRVM_ED_PrintEdict_f, "print all data about an entity number in the selected VM (server, client, menu)");
2719         Cmd_AddCommand ("prvm_edicts", PRVM_ED_PrintEdicts_f, "prints all data about all entities in the selected VM (server, client, menu)");
2720         Cmd_AddCommand ("prvm_edictcount", PRVM_ED_Count_f, "prints number of active entities in the selected VM (server, client, menu)");
2721         Cmd_AddCommand ("prvm_profile", PRVM_Profile_f, "prints execution statistics about the most used QuakeC functions in the selected VM (server, client, menu)");
2722         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");
2723         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)");
2724         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)");
2725         Cmd_AddCommand ("prvm_globals", PRVM_Globals_f, "prints all global variables in the selected VM (server, client, menu)");
2726         Cmd_AddCommand ("prvm_global", PRVM_Global_f, "prints value of a specified global variable in the selected VM (server, client, menu)");
2727         Cmd_AddCommand ("prvm_globalset", PRVM_GlobalSet_f, "sets value of a specified global variable in the selected VM (server, client, menu)");
2728         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)");
2729         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");
2730         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");
2731         Cmd_AddCommand ("prvm_printfunction", PRVM_PrintFunction_f, "prints a disassembly (QuakeC instructions) of the specified function in the selected VM (server, client, menu)");
2732         Cmd_AddCommand ("cl_cmd", PRVM_GameCommand_Client_f, "calls the client QC function GameCommand with the supplied string as argument");
2733         Cmd_AddCommand ("menu_cmd", PRVM_GameCommand_Menu_f, "calls the menu QC function GameCommand with the supplied string as argument");
2734         Cmd_AddCommand ("sv_cmd", PRVM_GameCommand_Server_f, "calls the server QC function GameCommand with the supplied string as argument");
2735
2736         Cvar_RegisterVariable (&prvm_language);
2737         Cvar_RegisterVariable (&prvm_traceqc);
2738         Cvar_RegisterVariable (&prvm_statementprofiling);
2739         Cvar_RegisterVariable (&prvm_backtraceforwarnings);
2740         Cvar_RegisterVariable (&prvm_leaktest);
2741         Cvar_RegisterVariable (&prvm_leaktest_ignore_classnames);
2742         Cvar_RegisterVariable (&prvm_errordump);
2743         Cvar_RegisterVariable (&prvm_reuseedicts_startuptime);
2744         Cvar_RegisterVariable (&prvm_reuseedicts_neverinsameframe);
2745
2746         // COMMANDLINEOPTION: PRVM: -norunaway disables the runaway loop check (it might be impossible to exit DarkPlaces if used!)
2747         prvm_runawaycheck = !COM_CheckParm("-norunaway");
2748
2749         //VM_Cmd_Init();
2750 }
2751
2752 /*
2753 ===============
2754 PRVM_InitProg
2755 ===============
2756 */
2757 void PRVM_InitProg(int prognr)
2758 {
2759         static unsigned int progid = 0;
2760
2761         if(prognr < 0 || prognr >= PRVM_MAXPROGS)
2762                 Sys_Error("PRVM_InitProg: Invalid program number %i",prognr);
2763
2764         prog = &prog_list[prognr];
2765
2766         if(prog->loaded)
2767                 PRVM_ResetProg();
2768
2769         memset(prog, 0, sizeof(prvm_prog_t));
2770         prog->starttime = Sys_DoubleTime();
2771         prog->id = ++progid;
2772
2773         prog->error_cmd = Host_Error;
2774         prog->leaktest_active = prvm_leaktest.integer != 0;
2775 }
2776
2777 int PRVM_GetProgNr(void)
2778 {
2779         return prog - prog_list;
2780 }
2781
2782 void *_PRVM_Alloc(size_t buffersize, const char *filename, int fileline)
2783 {
2784         return _Mem_Alloc(prog->progs_mempool, NULL, buffersize, 16, filename, fileline);
2785 }
2786
2787 void _PRVM_Free(void *buffer, const char *filename, int fileline)
2788 {
2789         _Mem_Free(buffer, filename, fileline);
2790 }
2791
2792 void _PRVM_FreeAll(const char *filename, int fileline)
2793 {
2794         prog->progs = NULL;
2795         prog->fielddefs = NULL;
2796         prog->functions = NULL;
2797         _Mem_EmptyPool(prog->progs_mempool, filename, fileline);
2798 }
2799
2800 // LordHavoc: turned PRVM_EDICT_NUM into a #define for speed reasons
2801 unsigned int PRVM_EDICT_NUM_ERROR(unsigned int n, char *filename, int fileline)
2802 {
2803         PRVM_ERROR ("PRVM_EDICT_NUM: %s: bad number %i (called at %s:%i)", PRVM_NAME, n, filename, fileline);
2804         return 0;
2805 }
2806
2807 sizebuf_t vm_tempstringsbuf;
2808 #define PRVM_KNOWNSTRINGBASE 0x40000000
2809
2810 const char *PRVM_GetString(int num)
2811 {
2812         if (num < 0)
2813         {
2814                 // invalid
2815                 VM_Warning("PRVM_GetString: Invalid string offset (%i < 0)\n", num);
2816                 return "";
2817         }
2818         else if (num < prog->stringssize)
2819         {
2820                 // constant string from progs.dat
2821                 return prog->strings + num;
2822         }
2823         else if (num <= prog->stringssize + vm_tempstringsbuf.maxsize)
2824         {
2825                 // tempstring returned by engine to QC (becomes invalid after returning to engine)
2826                 num -= prog->stringssize;
2827                 if (num < vm_tempstringsbuf.cursize)
2828                         return (char *)vm_tempstringsbuf.data + num;
2829                 else
2830                 {
2831                         VM_Warning("PRVM_GetString: Invalid temp-string offset (%i >= %i vm_tempstringsbuf.cursize)\n", num, vm_tempstringsbuf.cursize);
2832                         return "";
2833                 }
2834         }
2835         else if (num & PRVM_KNOWNSTRINGBASE)
2836         {
2837                 // allocated string
2838                 num = num - PRVM_KNOWNSTRINGBASE;
2839                 if (num >= 0 && num < prog->numknownstrings)
2840                 {
2841                         if (!prog->knownstrings[num])
2842                         {
2843                                 VM_Warning("PRVM_GetString: Invalid zone-string offset (%i has been freed)\n", num);
2844                                 return "";
2845                         }
2846                         return prog->knownstrings[num];
2847                 }
2848                 else
2849                 {
2850                         VM_Warning("PRVM_GetString: Invalid zone-string offset (%i >= %i)\n", num, prog->numknownstrings);
2851                         return "";
2852                 }
2853         }
2854         else
2855         {
2856                 // invalid string offset
2857                 VM_Warning("PRVM_GetString: Invalid constant-string offset (%i >= %i prog->stringssize)\n", num, prog->stringssize);
2858                 return "";
2859         }
2860 }
2861
2862 const char *PRVM_ChangeEngineString(int i, const char *s)
2863 {
2864         const char *old;
2865         i = i - PRVM_KNOWNSTRINGBASE;
2866         if(i < 0 || i >= prog->numknownstrings)
2867                 PRVM_ERROR("PRVM_ChangeEngineString: s is not an engine string");
2868         old = prog->knownstrings[i];
2869         prog->knownstrings[i] = s;
2870         return old;
2871 }
2872
2873 int PRVM_SetEngineString(const char *s)
2874 {
2875         int i;
2876         if (!s)
2877                 return 0;
2878         if (s >= prog->strings && s <= prog->strings + prog->stringssize)
2879                 PRVM_ERROR("PRVM_SetEngineString: s in prog->strings area");
2880         // if it's in the tempstrings area, use a reserved range
2881         // (otherwise we'd get millions of useless string offsets cluttering the database)
2882         if (s >= (char *)vm_tempstringsbuf.data && s < (char *)vm_tempstringsbuf.data + vm_tempstringsbuf.maxsize)
2883 #if 1
2884                 return prog->stringssize + (s - (char *)vm_tempstringsbuf.data);
2885 #endif
2886         // see if it's a known string address
2887         for (i = 0;i < prog->numknownstrings;i++)
2888                 if (prog->knownstrings[i] == s)
2889                         return PRVM_KNOWNSTRINGBASE + i;
2890         // new unknown engine string
2891         if (developer_insane.integer)
2892                 Con_DPrintf("new engine string %p = \"%s\"\n", s, s);
2893         for (i = prog->firstfreeknownstring;i < prog->numknownstrings;i++)
2894                 if (!prog->knownstrings[i])
2895                         break;
2896         if (i >= prog->numknownstrings)
2897         {
2898                 if (i >= prog->maxknownstrings)
2899                 {
2900                         const char **oldstrings = prog->knownstrings;
2901                         const unsigned char *oldstrings_freeable = prog->knownstrings_freeable;
2902                         const char **oldstrings_origin = prog->knownstrings_origin;
2903                         prog->maxknownstrings += 128;
2904                         prog->knownstrings = (const char **)PRVM_Alloc(prog->maxknownstrings * sizeof(char *));
2905                         prog->knownstrings_freeable = (unsigned char *)PRVM_Alloc(prog->maxknownstrings * sizeof(unsigned char));
2906                         if(prog->leaktest_active)
2907                                 prog->knownstrings_origin = (const char **)PRVM_Alloc(prog->maxknownstrings * sizeof(char *));
2908                         if (prog->numknownstrings)
2909                         {
2910                                 memcpy((char **)prog->knownstrings, oldstrings, prog->numknownstrings * sizeof(char *));
2911                                 memcpy((char **)prog->knownstrings_freeable, oldstrings_freeable, prog->numknownstrings * sizeof(unsigned char));
2912                                 if(prog->leaktest_active)
2913                                         memcpy((char **)prog->knownstrings_origin, oldstrings_origin, prog->numknownstrings * sizeof(char *));
2914                         }
2915                 }
2916                 prog->numknownstrings++;
2917         }
2918         prog->firstfreeknownstring = i + 1;
2919         prog->knownstrings[i] = s;
2920         prog->knownstrings_freeable[i] = false;
2921         if(prog->leaktest_active)
2922                 prog->knownstrings_origin[i] = NULL;
2923         return PRVM_KNOWNSTRINGBASE + i;
2924 }
2925
2926 // temp string handling
2927
2928 // all tempstrings go into this buffer consecutively, and it is reset
2929 // whenever PRVM_ExecuteProgram returns to the engine
2930 // (technically each PRVM_ExecuteProgram call saves the cursize value and
2931 //  restores it on return, so multiple recursive calls can share the same
2932 //  buffer)
2933 // the buffer size is automatically grown as needed
2934
2935 int PRVM_SetTempString(const char *s)
2936 {
2937         int size;
2938         char *t;
2939         if (!s)
2940                 return 0;
2941         size = (int)strlen(s) + 1;
2942         if (developer_insane.integer)
2943                 Con_DPrintf("PRVM_SetTempString: cursize %i, size %i\n", vm_tempstringsbuf.cursize, size);
2944         if (vm_tempstringsbuf.maxsize < vm_tempstringsbuf.cursize + size)
2945         {
2946                 sizebuf_t old = vm_tempstringsbuf;
2947                 if (vm_tempstringsbuf.cursize + size >= 1<<28)
2948                         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);
2949                 vm_tempstringsbuf.maxsize = max(vm_tempstringsbuf.maxsize, 65536);
2950                 while (vm_tempstringsbuf.maxsize < vm_tempstringsbuf.cursize + size)
2951                         vm_tempstringsbuf.maxsize *= 2;
2952                 if (vm_tempstringsbuf.maxsize != old.maxsize || vm_tempstringsbuf.data == NULL)
2953                 {
2954                         Con_DPrintf("PRVM_SetTempString: enlarging tempstrings buffer (%iKB -> %iKB)\n", old.maxsize/1024, vm_tempstringsbuf.maxsize/1024);
2955                         vm_tempstringsbuf.data = (unsigned char *) Mem_Alloc(sv_mempool, vm_tempstringsbuf.maxsize);
2956                         if (old.cursize)
2957                                 memcpy(vm_tempstringsbuf.data, old.data, old.cursize);
2958                         if (old.data)
2959                                 Mem_Free(old.data);
2960                 }
2961         }
2962         t = (char *)vm_tempstringsbuf.data + vm_tempstringsbuf.cursize;
2963         memcpy(t, s, size);
2964         vm_tempstringsbuf.cursize += size;
2965         return PRVM_SetEngineString(t);
2966 }
2967
2968 int PRVM_AllocString(size_t bufferlength, char **pointer)
2969 {
2970         int i;
2971         if (!bufferlength)
2972                 return 0;
2973         for (i = prog->firstfreeknownstring;i < prog->numknownstrings;i++)
2974                 if (!prog->knownstrings[i])
2975                         break;
2976         if (i >= prog->numknownstrings)
2977         {
2978                 if (i >= prog->maxknownstrings)
2979                 {
2980                         const char **oldstrings = prog->knownstrings;
2981                         const unsigned char *oldstrings_freeable = prog->knownstrings_freeable;
2982                         const char **oldstrings_origin = prog->knownstrings_origin;
2983                         prog->maxknownstrings += 128;
2984                         prog->knownstrings = (const char **)PRVM_Alloc(prog->maxknownstrings * sizeof(char *));
2985                         prog->knownstrings_freeable = (unsigned char *)PRVM_Alloc(prog->maxknownstrings * sizeof(unsigned char));
2986                         if(prog->leaktest_active)
2987                                 prog->knownstrings_origin = (const char **)PRVM_Alloc(prog->maxknownstrings * sizeof(char *));
2988                         if (prog->numknownstrings)
2989                         {
2990                                 memcpy((char **)prog->knownstrings, oldstrings, prog->numknownstrings * sizeof(char *));
2991                                 memcpy((char **)prog->knownstrings_freeable, oldstrings_freeable, prog->numknownstrings * sizeof(unsigned char));
2992                                 if(prog->leaktest_active)
2993                                         memcpy((char **)prog->knownstrings_origin, oldstrings_origin, prog->numknownstrings * sizeof(char *));
2994                         }
2995                         if (oldstrings)
2996                                 Mem_Free((char **)oldstrings);
2997                         if (oldstrings_freeable)
2998                                 Mem_Free((unsigned char *)oldstrings_freeable);
2999                         if (oldstrings_origin)
3000                                 Mem_Free((char **)oldstrings_origin);
3001                 }
3002                 prog->numknownstrings++;
3003         }
3004         prog->firstfreeknownstring = i + 1;
3005         prog->knownstrings[i] = (char *)PRVM_Alloc(bufferlength);
3006         prog->knownstrings_freeable[i] = true;
3007         if(prog->leaktest_active)
3008                 prog->knownstrings_origin[i] = PRVM_AllocationOrigin();
3009         if (pointer)
3010                 *pointer = (char *)(prog->knownstrings[i]);
3011         return PRVM_KNOWNSTRINGBASE + i;
3012 }
3013
3014 void PRVM_FreeString(int num)
3015 {
3016         if (num == 0)
3017                 PRVM_ERROR("PRVM_FreeString: attempt to free a NULL string");
3018         else if (num >= 0 && num < prog->stringssize)
3019                 PRVM_ERROR("PRVM_FreeString: attempt to free a constant string");
3020         else if (num >= PRVM_KNOWNSTRINGBASE && num < PRVM_KNOWNSTRINGBASE + prog->numknownstrings)
3021         {
3022                 num = num - PRVM_KNOWNSTRINGBASE;
3023                 if (!prog->knownstrings[num])
3024                         PRVM_ERROR("PRVM_FreeString: attempt to free a non-existent or already freed string");
3025                 if (!prog->knownstrings_freeable[num])
3026                         PRVM_ERROR("PRVM_FreeString: attempt to free a string owned by the engine");
3027                 PRVM_Free((char *)prog->knownstrings[num]);
3028                 if(prog->leaktest_active)
3029                         if(prog->knownstrings_origin[num])
3030                                 PRVM_Free((char *)prog->knownstrings_origin[num]);
3031                 prog->knownstrings[num] = NULL;
3032                 prog->knownstrings_freeable[num] = false;
3033                 prog->firstfreeknownstring = min(prog->firstfreeknownstring, num);
3034         }
3035         else
3036                 PRVM_ERROR("PRVM_FreeString: invalid string offset %i", num);
3037 }
3038
3039 static qboolean PRVM_IsStringReferenced(string_t string)
3040 {
3041         int i, j;
3042
3043         for (i = 0;i < prog->progs->numglobaldefs;i++)
3044         {
3045                 ddef_t *d = &prog->globaldefs[i];
3046                 if((etype_t)((int) d->type & ~DEF_SAVEGLOBAL) != ev_string)
3047                         continue;
3048                 if(string == ((prvm_eval_t *) &prog->globals.generic[d->ofs])->string)
3049                         return true;
3050         }
3051
3052         for(j = 0; j < prog->num_edicts; ++j)
3053         {
3054                 prvm_edict_t *ed = PRVM_EDICT_NUM(j);
3055                 if (ed->priv.required->free)
3056                         continue;
3057                 for (i=0; i<prog->progs->numfielddefs; ++i)
3058                 {
3059                         ddef_t *d = &prog->fielddefs[i];
3060                         if((etype_t)((int) d->type & ~DEF_SAVEGLOBAL) != ev_string)
3061                                 continue;
3062                         if(string == ((prvm_eval_t *) &ed->fields.vp[d->ofs])->string)
3063                                 return true;
3064                 }
3065         }
3066
3067         return false;
3068 }
3069
3070 static qboolean PRVM_IsEdictRelevant(prvm_edict_t *edict)
3071 {
3072         if(PRVM_NUM_FOR_EDICT(edict) <= prog->reserved_edicts)
3073                 return true; // world or clients
3074         switch(prog - prog_list)
3075         {
3076                 case PRVM_SERVERPROG:
3077                         {
3078                                 entvars_t *ev = edict->fields.server;
3079                                 if(ev->solid) // can block other stuff, or is a trigger?
3080                                         return true;
3081                                 if(ev->modelindex) // visible ent?
3082                                         return true;
3083                                 if(ev->effects) // particle effect?
3084                                         return true;
3085                                 if(ev->think) // has a think function?
3086                                         if(ev->nextthink > 0) // that actually will eventually run?
3087                                                 return true;
3088                                 if(ev->takedamage)
3089                                         return true;
3090                                 if(*prvm_leaktest_ignore_classnames.string)
3091                                 {
3092                                         if(strstr(va(" %s ", prvm_leaktest_ignore_classnames.string), va(" %s ", PRVM_GetString(ev->classname))))
3093                                                 return true;
3094                                 }
3095                         }
3096                         break;
3097                 case PRVM_CLIENTPROG:
3098                         {
3099                                 // TODO someone add more stuff here
3100                                 cl_entvars_t *ev = edict->fields.client;
3101                                 if(ev->entnum) // csqc networked
3102                                         return true;
3103                                 if(ev->modelindex) // visible ent?
3104                                         return true;
3105                                 if(ev->effects) // particle effect?
3106                                         return true;
3107                                 if(ev->think) // has a think function?
3108                                         if(ev->nextthink > 0) // that actually will eventually run?
3109                                                 return true;
3110                                 if(*prvm_leaktest_ignore_classnames.string)
3111                                 {
3112                                         if(strstr(va(" %s ", prvm_leaktest_ignore_classnames.string), va(" %s ", PRVM_GetString(ev->classname))))
3113                                                 return true;
3114                                 }
3115                         }
3116                         break;
3117                 case PRVM_MENUPROG:
3118                         // menu prog does not have classnames
3119                         break;
3120         }
3121         return false;
3122 }
3123
3124 static qboolean PRVM_IsEdictReferenced(prvm_edict_t *edict, int mark)
3125 {
3126         int i, j;
3127         int edictnum = PRVM_NUM_FOR_EDICT(edict);
3128         const char *targetname = NULL;
3129
3130         switch(prog - prog_list)
3131         {
3132                 case PRVM_SERVERPROG:
3133                         targetname = PRVM_GetString(edict->fields.server->targetname);
3134                         break;
3135         }
3136
3137         if(targetname)
3138                 if(!*targetname) // ""
3139                         targetname = NULL;
3140
3141         for (i = 0;i < prog->progs->numglobaldefs;i++)
3142         {
3143                 ddef_t *d = &prog->globaldefs[i];
3144                 if((etype_t)((int) d->type & ~DEF_SAVEGLOBAL) != ev_entity)
3145                         continue;
3146                 if(edictnum == ((prvm_eval_t *) &prog->globals.generic[d->ofs])->edict)
3147                         return true;
3148         }
3149
3150         for(j = 0; j < prog->num_edicts; ++j)
3151         {
3152                 prvm_edict_t *ed = PRVM_EDICT_NUM(j);
3153                 if (ed->priv.required->mark < mark)
3154                         continue;
3155                 if(ed == edict)
3156                         continue;
3157                 if(targetname)
3158                 {
3159                         const char *target = PRVM_GetString(ed->fields.server->target);
3160                         if(target)
3161                                 if(!strcmp(target, targetname))
3162                                         return true;
3163                 }
3164                 for (i=0; i<prog->progs->numfielddefs; ++i)
3165                 {
3166                         ddef_t *d = &prog->fielddefs[i];
3167                         if((etype_t)((int) d->type & ~DEF_SAVEGLOBAL) != ev_entity)
3168                                 continue;
3169                         if(edictnum == ((prvm_eval_t *) &ed->fields.vp[d->ofs])->edict)
3170                                 return true;
3171                 }
3172         }
3173
3174         return false;
3175 }
3176
3177 static void PRVM_MarkReferencedEdicts(void)
3178 {
3179         int j;
3180         qboolean found_new;
3181         int stage;
3182
3183         for(j = 0; j < prog->num_edicts; ++j)
3184         {
3185                 prvm_edict_t *ed = PRVM_EDICT_NUM(j);
3186                 if(ed->priv.required->free)
3187                         continue;
3188                 ed->priv.required->mark = PRVM_IsEdictRelevant(ed) ? 1 : 0;
3189         }
3190
3191         stage = 1;
3192         do
3193         {
3194                 found_new = false;
3195                 for(j = 0; j < prog->num_edicts; ++j)
3196                 {
3197                         prvm_edict_t *ed = PRVM_EDICT_NUM(j);
3198                         if(ed->priv.required->free)
3199                                 continue;
3200                         if(ed->priv.required->mark)
3201                                 continue;
3202                         if(PRVM_IsEdictReferenced(ed, stage))
3203                         {
3204                                 ed->priv.required->mark = stage + 1;
3205                                 found_new = true;
3206                         }
3207                 }
3208                 ++stage;
3209         }
3210         while(found_new);
3211         Con_DPrintf("leak check used %d stages to find all references\n", stage);
3212 }
3213
3214 void PRVM_LeakTest(void)
3215 {
3216         int i, j;
3217         qboolean leaked = false;
3218
3219         if(!prog->leaktest_active)
3220                 return;
3221
3222         // 1. Strings
3223         for (i = 0; i < prog->numknownstrings; ++i)
3224         {
3225                 if(prog->knownstrings[i])
3226                 if(prog->knownstrings_freeable[i])
3227                 if(prog->knownstrings_origin[i])
3228                 if(!PRVM_IsStringReferenced(-1 - i))
3229                 {
3230                         Con_Printf("Unreferenced string found!\n  Value: %s\n  Origin: %s\n", prog->knownstrings[i], prog->knownstrings_origin[i]);
3231                         leaked = true;
3232                 }
3233         }
3234
3235         // 2. Edicts
3236         PRVM_MarkReferencedEdicts();
3237         for(j = 0; j < prog->num_edicts; ++j)
3238         {
3239                 prvm_edict_t *ed = PRVM_EDICT_NUM(j);
3240                 if(ed->priv.required->free)
3241                         continue;
3242                 if(!ed->priv.required->mark)
3243                 if(ed->priv.required->allocation_origin)
3244                 {
3245                         Con_Printf("Unreferenced edict found!\n  Allocated at: %s\n", ed->priv.required->allocation_origin);
3246                         PRVM_ED_Print(ed, NULL);
3247                         Con_Print("\n");
3248                         leaked = true;
3249                 }
3250         }
3251
3252         for (i = 0; i < (int)Mem_ExpandableArray_IndexRange(&prog->stringbuffersarray); ++i)
3253         {
3254                 prvm_stringbuffer_t *stringbuffer = (prvm_stringbuffer_t*) Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, i);
3255                 if(stringbuffer)
3256                 if(stringbuffer->origin)
3257                 {
3258                         Con_Printf("Open string buffer handle found!\n  Allocated at: %s\n", stringbuffer->origin);
3259                         leaked = true;
3260                 }
3261         }
3262
3263         for(i = 0; i < PRVM_MAX_OPENFILES; ++i)
3264         {
3265                 if(prog->openfiles[i])
3266                 if(prog->openfiles_origin[i])
3267                 {
3268                         Con_Printf("Open file handle found!\n  Allocated at: %s\n", prog->openfiles_origin[i]);
3269                         leaked = true;
3270                 }
3271         }
3272
3273         for(i = 0; i < PRVM_MAX_OPENSEARCHES; ++i)
3274         {
3275                 if(prog->opensearches[i])
3276                 if(prog->opensearches_origin[i])
3277                 {
3278                         Con_Printf("Open search handle found!\n  Allocated at: %s\n", prog->opensearches_origin[i]);
3279                         leaked = true;
3280                 }
3281         }
3282
3283         if(!leaked)
3284                 Con_Printf("Congratulations. No leaks found.\n");
3285 }