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         prog->fieldoffsets.userwavefunc_param0            = PRVM_ED_FindFieldOffset("userwavefunc_param0");
1660         prog->fieldoffsets.userwavefunc_param1            = PRVM_ED_FindFieldOffset("userwavefunc_param1");
1661         prog->fieldoffsets.userwavefunc_param2            = PRVM_ED_FindFieldOffset("userwavefunc_param2");
1662         prog->fieldoffsets.userwavefunc_param3            = PRVM_ED_FindFieldOffset("userwavefunc_param3");
1663
1664         prog->funcoffsets.CSQC_ConsoleCommand             = PRVM_ED_FindFunctionOffset("CSQC_ConsoleCommand");
1665         prog->funcoffsets.CSQC_Ent_Remove                 = PRVM_ED_FindFunctionOffset("CSQC_Ent_Remove");
1666         prog->funcoffsets.CSQC_Ent_Spawn                  = PRVM_ED_FindFunctionOffset("CSQC_Ent_Spawn");
1667         prog->funcoffsets.CSQC_Ent_Update                 = PRVM_ED_FindFunctionOffset("CSQC_Ent_Update");
1668         prog->funcoffsets.CSQC_Event                      = PRVM_ED_FindFunctionOffset("CSQC_Event");
1669         prog->funcoffsets.CSQC_Event_Sound                = PRVM_ED_FindFunctionOffset("CSQC_Event_Sound");
1670         prog->funcoffsets.CSQC_Init                       = PRVM_ED_FindFunctionOffset("CSQC_Init");
1671         prog->funcoffsets.CSQC_InputEvent                 = PRVM_ED_FindFunctionOffset("CSQC_InputEvent");
1672         prog->funcoffsets.CSQC_Parse_CenterPrint          = PRVM_ED_FindFunctionOffset("CSQC_Parse_CenterPrint");
1673         prog->funcoffsets.CSQC_Parse_Print                = PRVM_ED_FindFunctionOffset("CSQC_Parse_Print");
1674         prog->funcoffsets.CSQC_Parse_StuffCmd             = PRVM_ED_FindFunctionOffset("CSQC_Parse_StuffCmd");
1675         prog->funcoffsets.CSQC_Parse_TempEntity           = PRVM_ED_FindFunctionOffset("CSQC_Parse_TempEntity");
1676         prog->funcoffsets.CSQC_Shutdown                   = PRVM_ED_FindFunctionOffset("CSQC_Shutdown");
1677         prog->funcoffsets.CSQC_UpdateView                 = PRVM_ED_FindFunctionOffset("CSQC_UpdateView");
1678         prog->funcoffsets.EndFrame                        = PRVM_ED_FindFunctionOffset("EndFrame");
1679         prog->funcoffsets.GameCommand                     = PRVM_ED_FindFunctionOffset("GameCommand");
1680         prog->funcoffsets.Gecko_Query                     = PRVM_ED_FindFunctionOffset("Gecko_Query");
1681         prog->funcoffsets.RestoreGame                     = PRVM_ED_FindFunctionOffset("RestoreGame");
1682         prog->funcoffsets.SV_ChangeTeam                   = PRVM_ED_FindFunctionOffset("SV_ChangeTeam");
1683         prog->funcoffsets.SV_OnEntityNoSpawnFunction      = PRVM_ED_FindFunctionOffset("SV_OnEntityNoSpawnFunction");
1684         prog->funcoffsets.SV_OnEntityPostSpawnFunction    = PRVM_ED_FindFunctionOffset("SV_OnEntityPostSpawnFunction");
1685         prog->funcoffsets.SV_OnEntityPreSpawnFunction     = PRVM_ED_FindFunctionOffset("SV_OnEntityPreSpawnFunction");
1686         prog->funcoffsets.SV_ParseClientCommand           = PRVM_ED_FindFunctionOffset("SV_ParseClientCommand");
1687         prog->funcoffsets.SV_PausedTic                    = PRVM_ED_FindFunctionOffset("SV_PausedTic");
1688         prog->funcoffsets.SV_PlayerPhysics                = PRVM_ED_FindFunctionOffset("SV_PlayerPhysics");
1689         prog->funcoffsets.SV_Shutdown                     = PRVM_ED_FindFunctionOffset("SV_Shutdown");
1690         prog->funcoffsets.URI_Get_Callback                = PRVM_ED_FindFunctionOffset("URI_Get_Callback");
1691         prog->globaloffsets.SV_InitCmd                    = PRVM_ED_FindGlobalOffset("SV_InitCmd");
1692         prog->globaloffsets.coop                          = PRVM_ED_FindGlobalOffset("coop");
1693         prog->globaloffsets.deathmatch                    = PRVM_ED_FindGlobalOffset("deathmatch");
1694         prog->globaloffsets.dmg_origin                    = PRVM_ED_FindGlobalOffset("dmg_origin");
1695         prog->globaloffsets.dmg_save                      = PRVM_ED_FindGlobalOffset("dmg_save");
1696         prog->globaloffsets.dmg_take                      = PRVM_ED_FindGlobalOffset("dmg_take");
1697         prog->globaloffsets.drawfont                      = PRVM_ED_FindGlobalOffset("drawfont");
1698         prog->globaloffsets.drawfontscale                 = PRVM_ED_FindGlobalOffset("drawfontscale");
1699         prog->globaloffsets.gettaginfo_forward            = PRVM_ED_FindGlobalOffset("gettaginfo_forward");
1700         prog->globaloffsets.gettaginfo_name               = PRVM_ED_FindGlobalOffset("gettaginfo_name");
1701         prog->globaloffsets.gettaginfo_offset             = PRVM_ED_FindGlobalOffset("gettaginfo_offset");
1702         prog->globaloffsets.gettaginfo_parent             = PRVM_ED_FindGlobalOffset("gettaginfo_parent");
1703         prog->globaloffsets.gettaginfo_right              = PRVM_ED_FindGlobalOffset("gettaginfo_right");
1704         prog->globaloffsets.gettaginfo_up                 = PRVM_ED_FindGlobalOffset("gettaginfo_up");
1705         prog->globaloffsets.transparent_offset            = PRVM_ED_FindGlobalOffset("transparent_offset");
1706         prog->globaloffsets.intermission                  = PRVM_ED_FindGlobalOffset("intermission");
1707         prog->globaloffsets.require_spawnfunc_prefix      = PRVM_ED_FindGlobalOffset("require_spawnfunc_prefix");
1708         prog->globaloffsets.sb_showscores                 = PRVM_ED_FindGlobalOffset("sb_showscores");
1709         prog->globaloffsets.self                          = PRVM_ED_FindGlobalOffset("self");
1710         prog->globaloffsets.serverdeltatime               = PRVM_ED_FindGlobalOffset("serverdeltatime");
1711         prog->globaloffsets.serverprevtime                = PRVM_ED_FindGlobalOffset("serverprevtime");
1712         prog->globaloffsets.servertime                    = PRVM_ED_FindGlobalOffset("servertime");
1713         prog->globaloffsets.time                          = PRVM_ED_FindGlobalOffset("time");
1714         prog->globaloffsets.trace_allsolid                = PRVM_ED_FindGlobalOffset("trace_allsolid");
1715         prog->globaloffsets.trace_dphitcontents           = PRVM_ED_FindGlobalOffset("trace_dphitcontents");
1716         prog->globaloffsets.trace_dphitq3surfaceflags     = PRVM_ED_FindGlobalOffset("trace_dphitq3surfaceflags");
1717         prog->globaloffsets.trace_dphittexturename        = PRVM_ED_FindGlobalOffset("trace_dphittexturename");
1718         prog->globaloffsets.trace_dpstartcontents         = PRVM_ED_FindGlobalOffset("trace_dpstartcontents");
1719         prog->globaloffsets.trace_endpos                  = PRVM_ED_FindGlobalOffset("trace_endpos");
1720         prog->globaloffsets.trace_ent                     = PRVM_ED_FindGlobalOffset("trace_ent");
1721         prog->globaloffsets.trace_fraction                = PRVM_ED_FindGlobalOffset("trace_fraction");
1722         prog->globaloffsets.trace_inopen                  = PRVM_ED_FindGlobalOffset("trace_inopen");
1723         prog->globaloffsets.trace_inwater                 = PRVM_ED_FindGlobalOffset("trace_inwater");
1724         prog->globaloffsets.trace_networkentity           = PRVM_ED_FindGlobalOffset("trace_networkentity");
1725         prog->globaloffsets.trace_plane_dist              = PRVM_ED_FindGlobalOffset("trace_plane_dist");
1726         prog->globaloffsets.trace_plane_normal            = PRVM_ED_FindGlobalOffset("trace_plane_normal");
1727         prog->globaloffsets.trace_startsolid              = PRVM_ED_FindGlobalOffset("trace_startsolid");
1728         prog->globaloffsets.v_forward                     = PRVM_ED_FindGlobalOffset("v_forward");
1729         prog->globaloffsets.v_right                       = PRVM_ED_FindGlobalOffset("v_right");
1730         prog->globaloffsets.v_up                          = PRVM_ED_FindGlobalOffset("v_up");
1731         prog->globaloffsets.view_angles                   = PRVM_ED_FindGlobalOffset("view_angles");
1732         prog->globaloffsets.worldstatus                   = PRVM_ED_FindGlobalOffset("worldstatus");
1733         prog->globaloffsets.particles_alphamin            = PRVM_ED_FindGlobalOffset("particles_alphamin");
1734         prog->globaloffsets.particles_alphamax            = PRVM_ED_FindGlobalOffset("particles_alphamax");
1735         prog->globaloffsets.particles_colormin            = PRVM_ED_FindGlobalOffset("particles_colormin");
1736         prog->globaloffsets.particles_colormax            = PRVM_ED_FindGlobalOffset("particles_colormax");
1737
1738         // menu qc only uses some functions, nothing else
1739         prog->funcoffsets.m_draw                          = PRVM_ED_FindFunctionOffset("m_draw");
1740         prog->funcoffsets.m_init                          = PRVM_ED_FindFunctionOffset("m_init");
1741         prog->funcoffsets.m_keydown                       = PRVM_ED_FindFunctionOffset("m_keydown");
1742         prog->funcoffsets.m_keyup                         = PRVM_ED_FindFunctionOffset("m_keyup");
1743         prog->funcoffsets.m_shutdown                      = PRVM_ED_FindFunctionOffset("m_shutdown");
1744         prog->funcoffsets.m_toggle                        = PRVM_ED_FindFunctionOffset("m_toggle");
1745 }
1746
1747 // not used
1748 /*
1749 typedef struct dpfield_s
1750 {
1751         int type;
1752         char *string;
1753 }
1754 dpfield_t;
1755
1756 #define DPFIELDS (sizeof(dpfields) / sizeof(dpfield_t))
1757
1758 dpfield_t dpfields[] =
1759 {
1760 };
1761 */
1762
1763 /*
1764 ===============
1765 PRVM_ResetProg
1766 ===============
1767 */
1768
1769 #define PO_HASHSIZE 16384
1770 typedef struct po_string_s
1771 {
1772         char *key, *value;
1773         struct po_string_s *nextonhashchain;
1774 }
1775 po_string_t;
1776 typedef struct po_s
1777 {
1778         po_string_t *hashtable[PO_HASHSIZE];
1779 }
1780 po_t;
1781 void PRVM_PO_UnparseString(char *out, const char *in, size_t outsize)
1782 {
1783         for(;;)
1784         {
1785                 switch(*in)
1786                 {
1787                         case 0:
1788                                 *out++ = 0;
1789                                 return;
1790                         case '\a': if(outsize >= 2) { *out++ = '\\'; *out++ = 'a'; outsize -= 2; } break;
1791                         case '\b': if(outsize >= 2) { *out++ = '\\'; *out++ = 'b'; outsize -= 2; } break;
1792                         case '\t': if(outsize >= 2) { *out++ = '\\'; *out++ = 't'; outsize -= 2; } break;
1793                         case '\r': if(outsize >= 2) { *out++ = '\\'; *out++ = 'r'; outsize -= 2; } break;
1794                         case '\n': if(outsize >= 2) { *out++ = '\\'; *out++ = 'n'; outsize -= 2; } break;
1795                         case '\\': if(outsize >= 2) { *out++ = '\\'; *out++ = '\\'; outsize -= 2; } break;
1796                         case '"': if(outsize >= 2) { *out++ = '\\'; *out++ = '"'; outsize -= 2; } break;
1797                         default:
1798                                 if(*in >= 0 && *in <= 0x1F)
1799                                 {
1800                                         if(outsize >= 4)
1801                                         {
1802                                                 *out++ = '\\';
1803                                                 *out++ = '0' + ((*in & 0700) >> 6);
1804                                                 *out++ = '0' + ((*in & 0070) >> 3);
1805                                                 *out++ = '0' + ((*in & 0007));
1806                                                 outsize -= 4;
1807                                         }
1808                                 }
1809                                 else
1810                                 {
1811                                         if(outsize >= 1)
1812                                         {
1813                                                 *out++ = *in;
1814                                                 outsize -= 1;
1815                                         }
1816                                 }
1817                                 break;
1818                 }
1819                 ++in;
1820         }
1821 }
1822 void PRVM_PO_ParseString(char *out, const char *in, size_t outsize)
1823 {
1824         for(;;)
1825         {
1826                 switch(*in)
1827                 {
1828                         case 0:
1829                                 *out++ = 0;
1830                                 return;
1831                         case '\\':
1832                                 ++in;
1833                                 switch(*in)
1834                                 {
1835                                         case 'a': if(outsize > 0) { *out++ = '\a'; --outsize; } break;
1836                                         case 'b': if(outsize > 0) { *out++ = '\b'; --outsize; } break;
1837                                         case 't': if(outsize > 0) { *out++ = '\t'; --outsize; } break;
1838                                         case 'r': if(outsize > 0) { *out++ = '\r'; --outsize; } break;
1839                                         case 'n': if(outsize > 0) { *out++ = '\n'; --outsize; } break;
1840                                         case '\\': if(outsize > 0) { *out++ = '\\'; --outsize; } break;
1841                                         case '"': if(outsize > 0) { *out++ = '"'; --outsize; } break;
1842                                         case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7':
1843                                                 if(outsize > 0)
1844                                                         *out = *in - '0';
1845                                                 ++in;
1846                                                 if(*in >= '0' && *in <= '7')
1847                                                 {
1848                                                         if(outsize > 0)
1849                                                                 *out = (*out << 3) | (*in - '0');
1850                                                         ++in;
1851                                                 }
1852                                                 if(*in >= '0' && *in <= '7')
1853                                                 {
1854                                                         if(outsize > 0)
1855                                                                 *out = (*out << 3) | (*in - '0');
1856                                                         ++in;
1857                                                 }
1858                                                 --in;
1859                                                 if(outsize > 0)
1860                                                 {
1861                                                         ++out;
1862                                                         --outsize;
1863                                                 }
1864                                                 break;
1865                                         default:
1866                                                 if(outsize > 0) { *out++ = *in; --outsize; }
1867                                                 break;
1868                                 }
1869                                 break;
1870                         default:
1871                                 if(outsize > 0)
1872                                 {
1873                                         *out++ = *in;
1874                                         --outsize;
1875                                 }
1876                                 break;
1877                 }
1878                 ++in;
1879         }
1880 }
1881 po_t *PRVM_PO_Load(const char *filename, mempool_t *pool)
1882 {
1883         po_t *po;
1884         const char *p, *q;
1885         int mode;
1886         char inbuf[MAX_INPUTLINE];
1887         char decodedbuf[MAX_INPUTLINE];
1888         size_t decodedpos;
1889         int hashindex;
1890         po_string_t thisstr;
1891         const char *buf = (const char *) FS_LoadFile(filename, pool, true, NULL);
1892
1893         if(!buf)
1894                 return NULL;
1895
1896         po = Mem_Alloc(pool, sizeof(*po));
1897         memset(po, 0, sizeof(*po));
1898
1899         p = buf;
1900         while(*p)
1901         {
1902                 if(*p == '#')
1903                 {
1904                         // skip to newline
1905                         p = strchr(p, '\n');
1906                         if(!p)
1907                                 break;
1908                         ++p;
1909                         continue;
1910                 }
1911                 if(*p == '\r' || *p == '\n')
1912                 {
1913                         ++p;
1914                         continue;
1915                 }
1916                 if(!strncmp(p, "msgid \"", 7))
1917                 {
1918                         mode = 0;
1919                         p += 6;
1920                 }
1921                 else if(!strncmp(p, "msgstr \"", 8))
1922                 {
1923                         mode = 1;
1924                         p += 7;
1925                 }
1926                 else
1927                 {
1928                         p = strchr(p, '\n');
1929                         if(!p)
1930                                 break;
1931                         ++p;
1932                         continue;
1933                 }
1934                 decodedpos = 0;
1935                 while(*p == '"')
1936                 {
1937                         ++p;
1938                         q = strchr(p, '\n');
1939                         if(!q)
1940                                 break;
1941                         if(*(q-1) == '\r')
1942                                 --q;
1943                         if(*(q-1) != '"')
1944                                 break;
1945                         if((size_t)(q - p) >= (size_t) sizeof(inbuf))
1946                                 break;
1947                         strlcpy(inbuf, p, q - p); // not - 1, because this adds a NUL
1948                         PRVM_PO_ParseString(decodedbuf + decodedpos, inbuf, sizeof(decodedbuf) - decodedpos);
1949                         decodedpos += strlen(decodedbuf + decodedpos);
1950                         if(*q == '\r')
1951                                 ++q;
1952                         if(*q == '\n')
1953                                 ++q;
1954                         p = q;
1955                 }
1956                 if(mode == 0)
1957                 {
1958                         if(thisstr.key)
1959                                 Mem_Free(thisstr.key);
1960                         thisstr.key = Mem_Alloc(pool, decodedpos + 1);
1961                         memcpy(thisstr.key, decodedbuf, decodedpos + 1);
1962                 }
1963                 else if(decodedpos > 0 && thisstr.key) // skip empty translation results
1964                 {
1965                         thisstr.value = Mem_Alloc(pool, decodedpos + 1);
1966                         memcpy(thisstr.value, decodedbuf, decodedpos + 1);
1967                         hashindex = CRC_Block((const unsigned char *) thisstr.key, strlen(thisstr.key)) % PO_HASHSIZE;
1968                         thisstr.nextonhashchain = po->hashtable[hashindex];
1969                         po->hashtable[hashindex] = Mem_Alloc(pool, sizeof(thisstr));
1970                         memcpy(po->hashtable[hashindex], &thisstr, sizeof(thisstr));
1971                         memset(&thisstr, 0, sizeof(thisstr));
1972                 }
1973         }
1974
1975         Mem_Free((char *) buf);
1976         return po;
1977 }
1978 const char *PRVM_PO_Lookup(po_t *po, const char *str)
1979 {
1980         int hashindex = CRC_Block((const unsigned char *) str, strlen(str)) % PO_HASHSIZE;
1981         po_string_t *p = po->hashtable[hashindex];
1982         while(p)
1983         {
1984                 if(!strcmp(str, p->key))
1985                         return p->value;
1986                 p = p->nextonhashchain;
1987         }
1988         return NULL;
1989 }
1990 void PRVM_PO_Destroy(po_t *po)
1991 {
1992         int i;
1993         for(i = 0; i < PO_HASHSIZE; ++i)
1994         {
1995                 po_string_t *p = po->hashtable[i];
1996                 while(p)
1997                 {
1998                         po_string_t *q = p;
1999                         p = p->nextonhashchain;
2000                         Mem_Free(q->key);
2001                         Mem_Free(q->value);
2002                         Mem_Free(q);
2003                 }
2004         }
2005         Mem_Free(po);
2006 }
2007
2008 void PRVM_LeakTest(void);
2009 void PRVM_ResetProg(void)
2010 {
2011         PRVM_LeakTest();
2012         PRVM_GCALL(reset_cmd)();
2013         Mem_FreePool(&prog->progs_mempool);
2014         if(prog->po)
2015                 PRVM_PO_Destroy((po_t *) prog->po);
2016         memset(prog,0,sizeof(prvm_prog_t));
2017         prog->starttime = Sys_DoubleTime();
2018 }
2019
2020 /*
2021 ===============
2022 PRVM_LoadLNO
2023 ===============
2024 */
2025 void PRVM_LoadLNO( const char *progname ) {
2026         fs_offset_t filesize;
2027         unsigned char *lno;
2028         unsigned int *header;
2029         char filename[512];
2030
2031         FS_StripExtension( progname, filename, sizeof( filename ) );
2032         strlcat( filename, ".lno", sizeof( filename ) );
2033
2034         lno = FS_LoadFile( filename, tempmempool, false, &filesize );
2035         if( !lno ) {
2036                 return;
2037         }
2038
2039 /*
2040 <Spike>    SafeWrite (h, &lnotype, sizeof(int));
2041 <Spike>    SafeWrite (h, &version, sizeof(int));
2042 <Spike>    SafeWrite (h, &numglobaldefs, sizeof(int));
2043 <Spike>    SafeWrite (h, &numpr_globals, sizeof(int));
2044 <Spike>    SafeWrite (h, &numfielddefs, sizeof(int));
2045 <Spike>    SafeWrite (h, &numstatements, sizeof(int));
2046 <Spike>    SafeWrite (h, statement_linenums, numstatements*sizeof(int));
2047 */
2048         if( (unsigned) filesize < (6 + prog->progs->numstatements) * sizeof( int ) ) {
2049                 Mem_Free(lno);
2050                 return;
2051         }
2052
2053         header = (unsigned int *) lno;
2054         if( header[ 0 ] == *(unsigned int *) "LNOF" &&
2055                 LittleLong( header[ 1 ] ) == 1 &&
2056                 (unsigned int)LittleLong( header[ 2 ] ) == (unsigned int)prog->progs->numglobaldefs &&
2057                 (unsigned int)LittleLong( header[ 3 ] ) == (unsigned int)prog->progs->numglobals &&
2058                 (unsigned int)LittleLong( header[ 4 ] ) == (unsigned int)prog->progs->numfielddefs &&
2059                 (unsigned int)LittleLong( header[ 5 ] ) == (unsigned int)prog->progs->numstatements )
2060         {
2061                 prog->statement_linenums = (int *)Mem_Alloc(prog->progs_mempool, prog->progs->numstatements * sizeof( int ) );
2062                 memcpy( prog->statement_linenums, (int *) lno + 6, prog->progs->numstatements * sizeof( int ) );
2063         }
2064         Mem_Free( lno );
2065 }
2066
2067 /*
2068 ===============
2069 PRVM_LoadProgs
2070 ===============
2071 */
2072 void PRVM_LoadProgs (const char * filename, int numrequiredfunc, char **required_func, int numrequiredfields, prvm_required_field_t *required_field, int numrequiredglobals, char **required_global)
2073 {
2074         int i;
2075         dstatement_t *st;
2076         ddef_t *infielddefs;
2077         dfunction_t *dfunctions;
2078         fs_offset_t filesize;
2079
2080         if( prog->loaded ) {
2081                 PRVM_ERROR ("PRVM_LoadProgs: there is already a %s program loaded!", PRVM_NAME );
2082         }
2083
2084         prog->progs = (dprograms_t *)FS_LoadFile (filename, prog->progs_mempool, false, &filesize);
2085         if (prog->progs == NULL || filesize < (fs_offset_t)sizeof(dprograms_t))
2086                 PRVM_ERROR ("PRVM_LoadProgs: couldn't load %s for %s", filename, PRVM_NAME);
2087         // TODO bounds check header fields (e.g. numstatements), they must never go behind end of file
2088
2089         Con_DPrintf("%s programs occupy %iK.\n", PRVM_NAME, (int)(filesize/1024));
2090
2091         prog->filecrc = CRC_Block((unsigned char *)prog->progs, filesize);
2092
2093 // byte swap the header
2094         for (i = 0;i < (int) sizeof(*prog->progs) / 4;i++)
2095                 ((int *)prog->progs)[i] = LittleLong ( ((int *)prog->progs)[i] );
2096
2097         if (prog->progs->version != PROG_VERSION)
2098                 PRVM_ERROR ("%s: %s has wrong version number (%i should be %i)", PRVM_NAME, filename, prog->progs->version, PROG_VERSION);
2099         if (prog->progs->crc != prog->headercrc && prog->progs->crc != prog->headercrc2)
2100                 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);
2101
2102         //prog->functions = (dfunction_t *)((unsigned char *)progs + progs->ofs_functions);
2103         dfunctions = (dfunction_t *)((unsigned char *)prog->progs + prog->progs->ofs_functions);
2104
2105         if (prog->progs->ofs_strings + prog->progs->numstrings >= (int)filesize)
2106                 PRVM_ERROR ("%s: %s strings go past end of file", PRVM_NAME, filename);
2107         prog->strings = (char *)prog->progs + prog->progs->ofs_strings;
2108         prog->stringssize = prog->progs->numstrings;
2109
2110         prog->numknownstrings = 0;
2111         prog->maxknownstrings = 0;
2112         prog->knownstrings = NULL;
2113         prog->knownstrings_freeable = NULL;
2114
2115         Mem_ExpandableArray_NewArray(&prog->stringbuffersarray, prog->progs_mempool, sizeof(prvm_stringbuffer_t), 64);
2116
2117         prog->globaldefs = (ddef_t *)((unsigned char *)prog->progs + prog->progs->ofs_globaldefs);
2118
2119         // we need to expand the fielddefs list to include all the engine fields,
2120         // so allocate a new place for it
2121         infielddefs = (ddef_t *)((unsigned char *)prog->progs + prog->progs->ofs_fielddefs);
2122         //                                                                                              ( + DPFIELDS                       )
2123         prog->fielddefs = (ddef_t *)Mem_Alloc(prog->progs_mempool, (prog->progs->numfielddefs + numrequiredfields) * sizeof(ddef_t));
2124
2125         prog->statements = (dstatement_t *)((unsigned char *)prog->progs + prog->progs->ofs_statements);
2126
2127         prog->statement_profile = (double *)Mem_Alloc(prog->progs_mempool, prog->progs->numstatements * sizeof(*prog->statement_profile));
2128
2129         //pr_global_struct = (globalvars_t *)((unsigned char *)progs + progs->ofs_globals);
2130         prog->globals.generic = (float *)((unsigned char *)prog->progs + prog->progs->ofs_globals);
2131
2132 // byte swap the lumps
2133         for (i=0 ; i<prog->progs->numstatements ; i++)
2134         {
2135                 prog->statements[i].op = LittleShort(prog->statements[i].op);
2136                 prog->statements[i].a = LittleShort(prog->statements[i].a);
2137                 prog->statements[i].b = LittleShort(prog->statements[i].b);
2138                 prog->statements[i].c = LittleShort(prog->statements[i].c);
2139         }
2140
2141         prog->functions = (mfunction_t *)Mem_Alloc(prog->progs_mempool, sizeof(mfunction_t) * prog->progs->numfunctions);
2142         for (i = 0;i < prog->progs->numfunctions;i++)
2143         {
2144                 prog->functions[i].first_statement = LittleLong (dfunctions[i].first_statement);
2145                 prog->functions[i].parm_start = LittleLong (dfunctions[i].parm_start);
2146                 prog->functions[i].s_name = LittleLong (dfunctions[i].s_name);
2147                 prog->functions[i].s_file = LittleLong (dfunctions[i].s_file);
2148                 prog->functions[i].numparms = LittleLong (dfunctions[i].numparms);
2149                 prog->functions[i].locals = LittleLong (dfunctions[i].locals);
2150                 memcpy(prog->functions[i].parm_size, dfunctions[i].parm_size, sizeof(dfunctions[i].parm_size));
2151                 if(prog->functions[i].first_statement >= prog->progs->numstatements)
2152                         PRVM_ERROR("PRVM_LoadProgs: out of bounds function statement (function %d) in %s", i, PRVM_NAME);
2153                 // TODO bounds check parm_start, s_name, s_file, numparms, locals, parm_size
2154         }
2155
2156         for (i=0 ; i<prog->progs->numglobaldefs ; i++)
2157         {
2158                 prog->globaldefs[i].type = LittleShort (prog->globaldefs[i].type);
2159                 prog->globaldefs[i].ofs = LittleShort (prog->globaldefs[i].ofs);
2160                 prog->globaldefs[i].s_name = LittleLong (prog->globaldefs[i].s_name);
2161                 // TODO bounds check ofs, s_name
2162         }
2163
2164         // copy the progs fields to the new fields list
2165         for (i = 0;i < prog->progs->numfielddefs;i++)
2166         {
2167                 prog->fielddefs[i].type = LittleShort (infielddefs[i].type);
2168                 if (prog->fielddefs[i].type & DEF_SAVEGLOBAL)
2169                         PRVM_ERROR ("PRVM_LoadProgs: prog->fielddefs[i].type & DEF_SAVEGLOBAL in %s", PRVM_NAME);
2170                 prog->fielddefs[i].ofs = LittleShort (infielddefs[i].ofs);
2171                 prog->fielddefs[i].s_name = LittleLong (infielddefs[i].s_name);
2172                 // TODO bounds check ofs, s_name
2173         }
2174
2175         // append the required fields
2176         for (i = 0;i < (int) numrequiredfields;i++)
2177         {
2178                 prog->fielddefs[prog->progs->numfielddefs].type = required_field[i].type;
2179                 prog->fielddefs[prog->progs->numfielddefs].ofs = prog->progs->entityfields;
2180                 prog->fielddefs[prog->progs->numfielddefs].s_name = PRVM_SetEngineString(required_field[i].name);
2181                 // TODO bounds check ofs, s_name
2182                 if (prog->fielddefs[prog->progs->numfielddefs].type == ev_vector)
2183                         prog->progs->entityfields += 3;
2184                 else
2185                         prog->progs->entityfields++;
2186                 prog->progs->numfielddefs++;
2187         }
2188         prog->entityfields = prog->progs->entityfields;
2189
2190         // check required functions
2191         for(i=0 ; i < numrequiredfunc ; i++)
2192                 if(PRVM_ED_FindFunction(required_func[i]) == 0)
2193                         PRVM_ERROR("%s: %s not found in %s",PRVM_NAME, required_func[i], filename);
2194
2195         // check required globals
2196         for(i=0 ; i < numrequiredglobals ; i++)
2197                 if(PRVM_ED_FindGlobal(required_global[i]) == 0)
2198                         PRVM_ERROR("%s: %s not found in %s",PRVM_NAME, required_global[i], filename);
2199
2200         for (i=0 ; i<prog->progs->numglobals ; i++)
2201                 ((int *)prog->globals.generic)[i] = LittleLong (((int *)prog->globals.generic)[i]);
2202
2203         // LordHavoc: bounds check anything static
2204         for (i = 0,st = prog->statements;i < prog->progs->numstatements;i++,st++)
2205         {
2206                 switch (st->op)
2207                 {
2208                 case OP_IF:
2209                 case OP_IFNOT:
2210                         if ((unsigned short) st->a >= prog->progs->numglobals || st->b + i < 0 || st->b + i >= prog->progs->numstatements)
2211                                 PRVM_ERROR("PRVM_LoadProgs: out of bounds IF/IFNOT (statement %d) in %s", i, PRVM_NAME);
2212                         break;
2213                 case OP_GOTO:
2214                         if (st->a + i < 0 || st->a + i >= prog->progs->numstatements)
2215                                 PRVM_ERROR("PRVM_LoadProgs: out of bounds GOTO (statement %d) in %s", i, PRVM_NAME);
2216                         break;
2217                 // global global global
2218                 case OP_ADD_F:
2219                 case OP_ADD_V:
2220                 case OP_SUB_F:
2221                 case OP_SUB_V:
2222                 case OP_MUL_F:
2223                 case OP_MUL_V:
2224                 case OP_MUL_FV:
2225                 case OP_MUL_VF:
2226                 case OP_DIV_F:
2227                 case OP_BITAND:
2228                 case OP_BITOR:
2229                 case OP_GE:
2230                 case OP_LE:
2231                 case OP_GT:
2232                 case OP_LT:
2233                 case OP_AND:
2234                 case OP_OR:
2235                 case OP_EQ_F:
2236                 case OP_EQ_V:
2237                 case OP_EQ_S:
2238                 case OP_EQ_E:
2239                 case OP_EQ_FNC:
2240                 case OP_NE_F:
2241                 case OP_NE_V:
2242                 case OP_NE_S:
2243                 case OP_NE_E:
2244                 case OP_NE_FNC:
2245                 case OP_ADDRESS:
2246                 case OP_LOAD_F:
2247                 case OP_LOAD_FLD:
2248                 case OP_LOAD_ENT:
2249                 case OP_LOAD_S:
2250                 case OP_LOAD_FNC:
2251                 case OP_LOAD_V:
2252                         if ((unsigned short) st->a >= prog->progs->numglobals || (unsigned short) st->b >= prog->progs->numglobals || (unsigned short) st->c >= prog->progs->numglobals)
2253                                 PRVM_ERROR("PRVM_LoadProgs: out of bounds global index (statement %d)", i);
2254                         break;
2255                 // global none global
2256                 case OP_NOT_F:
2257                 case OP_NOT_V:
2258                 case OP_NOT_S:
2259                 case OP_NOT_FNC:
2260                 case OP_NOT_ENT:
2261                         if ((unsigned short) st->a >= prog->progs->numglobals || (unsigned short) st->c >= prog->progs->numglobals)
2262                                 PRVM_ERROR("PRVM_LoadProgs: out of bounds global index (statement %d) in %s", i, PRVM_NAME);
2263                         break;
2264                 // 2 globals
2265                 case OP_STOREP_F:
2266                 case OP_STOREP_ENT:
2267                 case OP_STOREP_FLD:
2268                 case OP_STOREP_S:
2269                 case OP_STOREP_FNC:
2270                 case OP_STORE_F:
2271                 case OP_STORE_ENT:
2272                 case OP_STORE_FLD:
2273                 case OP_STORE_S:
2274                 case OP_STORE_FNC:
2275                 case OP_STATE:
2276                 case OP_STOREP_V:
2277                 case OP_STORE_V:
2278                         if ((unsigned short) st->a >= prog->progs->numglobals || (unsigned short) st->b >= prog->progs->numglobals)
2279                                 PRVM_ERROR("PRVM_LoadProgs: out of bounds global index (statement %d) in %s", i, PRVM_NAME);
2280                         break;
2281                 // 1 global
2282                 case OP_CALL0:
2283                 case OP_CALL1:
2284                 case OP_CALL2:
2285                 case OP_CALL3:
2286                 case OP_CALL4:
2287                 case OP_CALL5:
2288                 case OP_CALL6:
2289                 case OP_CALL7:
2290                 case OP_CALL8:
2291                 case OP_DONE:
2292                 case OP_RETURN:
2293                         if ((unsigned short) st->a >= prog->progs->numglobals)
2294                                 PRVM_ERROR("PRVM_LoadProgs: out of bounds global index (statement %d) in %s", i, PRVM_NAME);
2295                         break;
2296                 default:
2297                         Con_DPrintf("PRVM_LoadProgs: unknown opcode %d at statement %d in %s\n", st->op, i, PRVM_NAME);
2298                         break;
2299                 }
2300         }
2301         if(prog->progs->numstatements < 1)
2302         {
2303                 PRVM_ERROR("PRVM_LoadProgs: empty program in %s", PRVM_NAME);
2304         }
2305         else switch(prog->statements[prog->progs->numstatements - 1].op)
2306         {
2307                 case OP_RETURN:
2308                 case OP_GOTO:
2309                 case OP_DONE:
2310                         break;
2311                 default:
2312                         PRVM_ERROR("PRVM_LoadProgs: program may fall off the edge (does not end with RETURN, GOTO or DONE) in %s", PRVM_NAME);
2313                         break;
2314         }
2315
2316         PRVM_LoadLNO(filename);
2317
2318         PRVM_Init_Exec();
2319
2320         if(*prvm_language.string)
2321         // in CSQC we really shouldn't be able to change how stuff works... sorry for now
2322         // later idea: include a list of authorized .po file checksums with the csprogs
2323         {
2324                 qboolean deftrans = !!strcmp(PRVM_NAME, "client");
2325                 if(deftrans) // once we have dotranslate_ strings, ALWAYS use the opt-in method!
2326                 {
2327                         for (i=0 ; i<prog->progs->numglobaldefs ; i++)
2328                         {
2329                                 const char *name;
2330                                 name = PRVM_GetString(prog->globaldefs[i].s_name);
2331                                 if((prog->globaldefs[i].type & ~DEF_SAVEGLOBAL) == ev_string)
2332                                 if(name && !strncmp(name, "dotranslate_", 12))
2333                                 {
2334                                         deftrans = false;
2335                                         break;
2336                                 }
2337                         }
2338                 }
2339                 if(!strcmp(prvm_language.string, "dump"))
2340                 {
2341                         qfile_t *f = FS_OpenRealFile(va("%s.%s.po", filename, prvm_language.string), "w", false);
2342                         Con_Printf("Dumping to %s.%s.po\n", filename, prvm_language.string);
2343                         if(f)
2344                         {
2345                                 for (i=0 ; i<prog->progs->numglobaldefs ; i++)
2346                                 {
2347                                         const char *name;
2348                                         name = PRVM_GetString(prog->globaldefs[i].s_name);
2349                                         if((prog->globaldefs[i].type & ~DEF_SAVEGLOBAL) == ev_string)
2350                                         if(deftrans ? (!name || strncmp(name, "notranslate_", 12)) : (name && !strncmp(name, "dotranslate_", 12)))
2351                                         {
2352                                                 prvm_eval_t *val = (prvm_eval_t *)(prog->globals.generic + prog->globaldefs[i].ofs);
2353                                                 const char *value = PRVM_GetString(val->string);
2354                                                 if(*value)
2355                                                 {
2356                                                         char buf[MAX_INPUTLINE];
2357                                                         PRVM_PO_UnparseString(buf, value, sizeof(buf));
2358                                                         FS_Printf(f, "msgid \"%s\"\nmsgstr \"\"\n\n", buf);
2359                                                 }
2360                                         }
2361                                 }
2362                                 FS_Close(f);
2363                         }
2364                 }
2365                 else
2366                 {
2367                         po_t *po = PRVM_PO_Load(va("%s.%s.po", filename, prvm_language.string), prog->progs_mempool);
2368                         if(po)
2369                         {
2370                                 for (i=0 ; i<prog->progs->numglobaldefs ; i++)
2371                                 {
2372                                         const char *name;
2373                                         name = PRVM_GetString(prog->globaldefs[i].s_name);
2374                                         if(deftrans ? (!name || strncmp(name, "notranslate_", 12)) : (name && !strncmp(name, "dotranslate_", 12)))
2375                                         if((prog->globaldefs[i].type & ~DEF_SAVEGLOBAL) == ev_string)
2376                                         {
2377                                                 prvm_eval_t *val = (prvm_eval_t *)(prog->globals.generic + prog->globaldefs[i].ofs);
2378                                                 const char *value = PRVM_GetString(val->string);
2379                                                 if(*value)
2380                                                 {
2381                                                         value = PRVM_PO_Lookup(po, value);
2382                                                         if(value)
2383                                                                 val->string = PRVM_SetEngineString(value);
2384                                                 }
2385                                         }
2386                                 }
2387                         }
2388                 }
2389         }
2390
2391         for (i=0 ; i<prog->progs->numglobaldefs ; i++)
2392         {
2393                 const char *name;
2394                 name = PRVM_GetString(prog->globaldefs[i].s_name);
2395                 //Con_Printf("found var %s\n", name);
2396                 if(name
2397                         && !strncmp(name, "autocvar_", 9)
2398                         && !(strlen(name) > 1 && name[strlen(name)-2] == '_' && (name[strlen(name)-1] == 'x' || name[strlen(name)-1] == 'y' || name[strlen(name)-1] == 'z'))
2399                 )
2400                 {
2401                         prvm_eval_t *val = (prvm_eval_t *)(prog->globals.generic + prog->globaldefs[i].ofs);
2402                         cvar_t *cvar = Cvar_FindVar(name + 9);
2403                         //Con_Printf("PRVM_LoadProgs: autocvar global %s in %s, processing...\n", name, PRVM_NAME);
2404                         if(!cvar)
2405                         {
2406                                 const char *value;
2407                                 char buf[64];
2408                                 Con_Printf("PRVM_LoadProgs: no cvar for autocvar global %s in %s, creating...\n", name, PRVM_NAME);
2409                                 switch(prog->globaldefs[i].type & ~DEF_SAVEGLOBAL)
2410                                 {
2411                                         case ev_float:
2412                                                 if((float)((int)(val->_float)) == val->_float)
2413                                                         dpsnprintf(buf, sizeof(buf), "%i", (int)(val->_float));
2414                                                 else
2415                                                         dpsnprintf(buf, sizeof(buf), "%.9g", val->_float);
2416                                                 value = buf;
2417                                                 break;
2418                                         case ev_vector:
2419                                                 dpsnprintf(buf, sizeof(buf), "%.9g %.9g %.9g", val->vector[0], val->vector[1], val->vector[2]); value = buf;
2420                                                 break;
2421                                         case ev_string:
2422                                                 value = PRVM_GetString(val->string);
2423                                                 break;
2424                                         default:
2425                                                 Con_Printf("PRVM_LoadProgs: invalid type of autocvar global %s in %s\n", name, PRVM_NAME);
2426                                                 goto fail;
2427                                 }
2428                                 cvar = Cvar_Get(name + 9, value, 0, NULL);
2429                                 if((prog->globaldefs[i].type & ~DEF_SAVEGLOBAL) == ev_string)
2430                                 {
2431                                         val->string = PRVM_SetEngineString(cvar->string);
2432                                         cvar->globaldefindex_stringno[prog - prog_list] = val->string;
2433                                 }
2434                                 if(!cvar)
2435                                         PRVM_ERROR("PRVM_LoadProgs: could not create cvar for autocvar global %s in %s", name, PRVM_NAME);
2436                                 cvar->globaldefindex_progid[prog - prog_list] = prog->id;
2437                                 cvar->globaldefindex[prog - prog_list] = i;
2438                         }
2439                         else if((cvar->flags & CVAR_PRIVATE) == 0)
2440                         {
2441                                 // MUST BE SYNCED WITH cvar.c Cvar_Set
2442                                 int j;
2443                                 const char *s;
2444                                 switch(prog->globaldefs[i].type & ~DEF_SAVEGLOBAL)
2445                                 {
2446                                         case ev_float:
2447                                                 val->_float = cvar->value;
2448                                                 break;
2449                                         case ev_vector:
2450                                                 s = cvar->string;
2451                                                 VectorClear(val->vector);
2452                                                 for (j = 0;j < 3;j++)
2453                                                 {
2454                                                         while (*s && ISWHITESPACE(*s))
2455                                                                 s++;
2456                                                         if (!*s)
2457                                                                 break;
2458                                                         val->vector[j] = atof(s);
2459                                                         while (!ISWHITESPACE(*s))
2460                                                                 s++;
2461                                                         if (!*s)
2462                                                                 break;
2463                                                 }
2464                                                 break;
2465                                         case ev_string:
2466                                                 val->string = PRVM_SetEngineString(cvar->string);
2467                                                 cvar->globaldefindex_stringno[prog - prog_list] = val->string;
2468                                                 break;
2469                                         default:
2470                                                 Con_Printf("PRVM_LoadProgs: invalid type of autocvar global %s in %s\n", name, PRVM_NAME);
2471                                                 goto fail;
2472                                 }
2473                                 cvar->globaldefindex_progid[prog - prog_list] = prog->id;
2474                                 cvar->globaldefindex[prog - prog_list] = i;
2475                         }
2476                         else
2477                                 Con_Printf("PRVM_LoadProgs: private cvar for autocvar global %s in %s\n", name, PRVM_NAME);
2478                 }
2479 fail:
2480                 ;
2481         }
2482
2483         prog->loaded = TRUE;
2484
2485         // set flags & ddef_ts in prog
2486
2487         prog->flag = 0;
2488
2489         PRVM_FindOffsets();
2490
2491         PRVM_GCALL(init_cmd)();
2492
2493         // init mempools
2494         PRVM_MEM_Alloc();
2495 }
2496
2497
2498 void PRVM_Fields_f (void)
2499 {
2500         int i, j, ednum, used, usedamount;
2501         int *counts;
2502         char tempstring[MAX_INPUTLINE], tempstring2[260];
2503         const char *name;
2504         prvm_edict_t *ed;
2505         ddef_t *d;
2506         int *v;
2507
2508         // TODO
2509         /*
2510         if (!sv.active)
2511         {
2512                 Con_Print("no progs loaded\n");
2513                 return;
2514         }
2515         */
2516
2517         if(Cmd_Argc() != 2)
2518         {
2519                 Con_Print("prvm_fields <program name>\n");
2520                 return;
2521         }
2522
2523         PRVM_Begin;
2524         if(!PRVM_SetProgFromString(Cmd_Argv(1)))
2525                 return;
2526
2527         counts = (int *)Mem_Alloc(tempmempool, prog->progs->numfielddefs * sizeof(int));
2528         for (ednum = 0;ednum < prog->max_edicts;ednum++)
2529         {
2530                 ed = PRVM_EDICT_NUM(ednum);
2531                 if (ed->priv.required->free)
2532                         continue;
2533                 for (i = 1;i < prog->progs->numfielddefs;i++)
2534                 {
2535                         d = &prog->fielddefs[i];
2536                         name = PRVM_GetString(d->s_name);
2537                         if (name[strlen(name)-2] == '_')
2538                                 continue;       // skip _x, _y, _z vars
2539                         v = (int *)(ed->fields.vp + d->ofs);
2540                         // if the value is still all 0, skip the field
2541                         for (j = 0;j < prvm_type_size[d->type & ~DEF_SAVEGLOBAL];j++)
2542                         {
2543                                 if (v[j])
2544                                 {
2545                                         counts[i]++;
2546                                         break;
2547                                 }
2548                         }
2549                 }
2550         }
2551         used = 0;
2552         usedamount = 0;
2553         tempstring[0] = 0;
2554         for (i = 0;i < prog->progs->numfielddefs;i++)
2555         {
2556                 d = &prog->fielddefs[i];
2557                 name = PRVM_GetString(d->s_name);
2558                 if (name[strlen(name)-2] == '_')
2559                         continue;       // skip _x, _y, _z vars
2560                 switch(d->type & ~DEF_SAVEGLOBAL)
2561                 {
2562                 case ev_string:
2563                         strlcat(tempstring, "string   ", sizeof(tempstring));
2564                         break;
2565                 case ev_entity:
2566                         strlcat(tempstring, "entity   ", sizeof(tempstring));
2567                         break;
2568                 case ev_function:
2569                         strlcat(tempstring, "function ", sizeof(tempstring));
2570                         break;
2571                 case ev_field:
2572                         strlcat(tempstring, "field    ", sizeof(tempstring));
2573                         break;
2574                 case ev_void:
2575                         strlcat(tempstring, "void     ", sizeof(tempstring));
2576                         break;
2577                 case ev_float:
2578                         strlcat(tempstring, "float    ", sizeof(tempstring));
2579                         break;
2580                 case ev_vector:
2581                         strlcat(tempstring, "vector   ", sizeof(tempstring));
2582                         break;
2583                 case ev_pointer:
2584                         strlcat(tempstring, "pointer  ", sizeof(tempstring));
2585                         break;
2586                 default:
2587                         dpsnprintf (tempstring2, sizeof(tempstring2), "bad type %i ", d->type & ~DEF_SAVEGLOBAL);
2588                         strlcat(tempstring, tempstring2, sizeof(tempstring));
2589                         break;
2590                 }
2591                 if (strlen(name) > sizeof(tempstring2)-4)
2592                 {
2593                         memcpy (tempstring2, name, sizeof(tempstring2)-4);
2594                         tempstring2[sizeof(tempstring2)-4] = tempstring2[sizeof(tempstring2)-3] = tempstring2[sizeof(tempstring2)-2] = '.';
2595                         tempstring2[sizeof(tempstring2)-1] = 0;
2596                         name = tempstring2;
2597                 }
2598                 strlcat(tempstring, name, sizeof(tempstring));
2599                 for (j = (int)strlen(name);j < 25;j++)
2600                         strlcat(tempstring, " ", sizeof(tempstring));
2601                 dpsnprintf(tempstring2, sizeof(tempstring2), "%5d", counts[i]);
2602                 strlcat(tempstring, tempstring2, sizeof(tempstring));
2603                 strlcat(tempstring, "\n", sizeof(tempstring));
2604                 if (strlen(tempstring) >= sizeof(tempstring)/2)
2605                 {
2606                         Con_Print(tempstring);
2607                         tempstring[0] = 0;
2608                 }
2609                 if (counts[i])
2610                 {
2611                         used++;
2612                         usedamount += prvm_type_size[d->type & ~DEF_SAVEGLOBAL];
2613                 }
2614         }
2615         Mem_Free(counts);
2616         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);
2617
2618         PRVM_End;
2619 }
2620
2621 void PRVM_Globals_f (void)
2622 {
2623         int i;
2624         const char *wildcard;
2625         int numculled;
2626                 numculled = 0;
2627         // TODO
2628         /*if (!sv.active)
2629         {
2630                 Con_Print("no progs loaded\n");
2631                 return;
2632         }*/
2633         if(Cmd_Argc () < 2 || Cmd_Argc() > 3)
2634         {
2635                 Con_Print("prvm_globals <program name> <optional name wildcard>\n");
2636                 return;
2637         }
2638
2639         PRVM_Begin;
2640         if(!PRVM_SetProgFromString (Cmd_Argv (1)))
2641                 return;
2642
2643         if( Cmd_Argc() == 3)
2644                 wildcard = Cmd_Argv(2);
2645         else
2646                 wildcard = NULL;
2647
2648         Con_Printf("%s :", PRVM_NAME);
2649
2650         for (i = 0;i < prog->progs->numglobaldefs;i++)
2651         {
2652                 if(wildcard)
2653                         if( !matchpattern( PRVM_GetString(prog->globaldefs[i].s_name), wildcard, 1) )
2654                         {
2655                                 numculled++;
2656                                 continue;
2657                         }
2658                 Con_Printf("%s\n", PRVM_GetString(prog->globaldefs[i].s_name));
2659         }
2660         Con_Printf("%i global variables, %i culled, totalling %i bytes\n", prog->progs->numglobals, numculled, prog->progs->numglobals * 4);
2661
2662         PRVM_End;
2663 }
2664
2665 /*
2666 ===============
2667 PRVM_Global
2668 ===============
2669 */
2670 void PRVM_Global_f(void)
2671 {
2672         ddef_t *global;
2673         if( Cmd_Argc() != 3 ) {
2674                 Con_Printf( "prvm_global <program name> <global name>\n" );
2675                 return;
2676         }
2677
2678         PRVM_Begin;
2679         if( !PRVM_SetProgFromString( Cmd_Argv(1) ) )
2680                 return;
2681
2682         global = PRVM_ED_FindGlobal( Cmd_Argv(2) );
2683         if( !global )
2684                 Con_Printf( "No global '%s' in %s!\n", Cmd_Argv(2), Cmd_Argv(1) );
2685         else
2686                 Con_Printf( "%s: %s\n", Cmd_Argv(2), PRVM_ValueString( (etype_t)global->type, (prvm_eval_t *) &prog->globals.generic[ global->ofs ] ) );
2687         PRVM_End;
2688 }
2689
2690 /*
2691 ===============
2692 PRVM_GlobalSet
2693 ===============
2694 */
2695 void PRVM_GlobalSet_f(void)
2696 {
2697         ddef_t *global;
2698         if( Cmd_Argc() != 4 ) {
2699                 Con_Printf( "prvm_globalset <program name> <global name> <value>\n" );
2700                 return;
2701         }
2702
2703         PRVM_Begin;
2704         if( !PRVM_SetProgFromString( Cmd_Argv(1) ) )
2705                 return;
2706
2707         global = PRVM_ED_FindGlobal( Cmd_Argv(2) );
2708         if( !global )
2709                 Con_Printf( "No global '%s' in %s!\n", Cmd_Argv(2), Cmd_Argv(1) );
2710         else
2711                 PRVM_ED_ParseEpair( NULL, global, Cmd_Argv(3), true );
2712         PRVM_End;
2713 }
2714
2715 /*
2716 ===============
2717 PRVM_Init
2718 ===============
2719 */
2720 void PRVM_Init (void)
2721 {
2722         Cmd_AddCommand ("prvm_edict", PRVM_ED_PrintEdict_f, "print all data about an entity number in the selected VM (server, client, menu)");
2723         Cmd_AddCommand ("prvm_edicts", PRVM_ED_PrintEdicts_f, "prints all data about all entities in the selected VM (server, client, menu)");
2724         Cmd_AddCommand ("prvm_edictcount", PRVM_ED_Count_f, "prints number of active entities in the selected VM (server, client, menu)");
2725         Cmd_AddCommand ("prvm_profile", PRVM_Profile_f, "prints execution statistics about the most used QuakeC functions in the selected VM (server, client, menu)");
2726         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");
2727         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)");
2728         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)");
2729         Cmd_AddCommand ("prvm_globals", PRVM_Globals_f, "prints all global variables in the selected VM (server, client, menu)");
2730         Cmd_AddCommand ("prvm_global", PRVM_Global_f, "prints value of a specified global variable in the selected VM (server, client, menu)");
2731         Cmd_AddCommand ("prvm_globalset", PRVM_GlobalSet_f, "sets value of a specified global variable in the selected VM (server, client, menu)");
2732         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)");
2733         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");
2734         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");
2735         Cmd_AddCommand ("prvm_printfunction", PRVM_PrintFunction_f, "prints a disassembly (QuakeC instructions) of the specified function in the selected VM (server, client, menu)");
2736         Cmd_AddCommand ("cl_cmd", PRVM_GameCommand_Client_f, "calls the client QC function GameCommand with the supplied string as argument");
2737         Cmd_AddCommand ("menu_cmd", PRVM_GameCommand_Menu_f, "calls the menu QC function GameCommand with the supplied string as argument");
2738         Cmd_AddCommand ("sv_cmd", PRVM_GameCommand_Server_f, "calls the server QC function GameCommand with the supplied string as argument");
2739
2740         Cvar_RegisterVariable (&prvm_language);
2741         Cvar_RegisterVariable (&prvm_traceqc);
2742         Cvar_RegisterVariable (&prvm_statementprofiling);
2743         Cvar_RegisterVariable (&prvm_backtraceforwarnings);
2744         Cvar_RegisterVariable (&prvm_leaktest);
2745         Cvar_RegisterVariable (&prvm_leaktest_ignore_classnames);
2746         Cvar_RegisterVariable (&prvm_errordump);
2747         Cvar_RegisterVariable (&prvm_reuseedicts_startuptime);
2748         Cvar_RegisterVariable (&prvm_reuseedicts_neverinsameframe);
2749
2750         // COMMANDLINEOPTION: PRVM: -norunaway disables the runaway loop check (it might be impossible to exit DarkPlaces if used!)
2751         prvm_runawaycheck = !COM_CheckParm("-norunaway");
2752
2753         //VM_Cmd_Init();
2754 }
2755
2756 /*
2757 ===============
2758 PRVM_InitProg
2759 ===============
2760 */
2761 void PRVM_InitProg(int prognr)
2762 {
2763         static unsigned int progid = 0;
2764
2765         if(prognr < 0 || prognr >= PRVM_MAXPROGS)
2766                 Sys_Error("PRVM_InitProg: Invalid program number %i",prognr);
2767
2768         prog = &prog_list[prognr];
2769
2770         if(prog->loaded)
2771                 PRVM_ResetProg();
2772
2773         memset(prog, 0, sizeof(prvm_prog_t));
2774         prog->starttime = Sys_DoubleTime();
2775         prog->id = ++progid;
2776
2777         prog->error_cmd = Host_Error;
2778         prog->leaktest_active = prvm_leaktest.integer != 0;
2779 }
2780
2781 int PRVM_GetProgNr(void)
2782 {
2783         return prog - prog_list;
2784 }
2785
2786 void *_PRVM_Alloc(size_t buffersize, const char *filename, int fileline)
2787 {
2788         return _Mem_Alloc(prog->progs_mempool, NULL, buffersize, 16, filename, fileline);
2789 }
2790
2791 void _PRVM_Free(void *buffer, const char *filename, int fileline)
2792 {
2793         _Mem_Free(buffer, filename, fileline);
2794 }
2795
2796 void _PRVM_FreeAll(const char *filename, int fileline)
2797 {
2798         prog->progs = NULL;
2799         prog->fielddefs = NULL;
2800         prog->functions = NULL;
2801         _Mem_EmptyPool(prog->progs_mempool, filename, fileline);
2802 }
2803
2804 // LordHavoc: turned PRVM_EDICT_NUM into a #define for speed reasons
2805 unsigned int PRVM_EDICT_NUM_ERROR(unsigned int n, char *filename, int fileline)
2806 {
2807         PRVM_ERROR ("PRVM_EDICT_NUM: %s: bad number %i (called at %s:%i)", PRVM_NAME, n, filename, fileline);
2808         return 0;
2809 }
2810
2811 sizebuf_t vm_tempstringsbuf;
2812 #define PRVM_KNOWNSTRINGBASE 0x40000000
2813
2814 const char *PRVM_GetString(int num)
2815 {
2816         if (num < 0)
2817         {
2818                 // invalid
2819                 VM_Warning("PRVM_GetString: Invalid string offset (%i < 0)\n", num);
2820                 return "";
2821         }
2822         else if (num < prog->stringssize)
2823         {
2824                 // constant string from progs.dat
2825                 return prog->strings + num;
2826         }
2827         else if (num <= prog->stringssize + vm_tempstringsbuf.maxsize)
2828         {
2829                 // tempstring returned by engine to QC (becomes invalid after returning to engine)
2830                 num -= prog->stringssize;
2831                 if (num < vm_tempstringsbuf.cursize)
2832                         return (char *)vm_tempstringsbuf.data + num;
2833                 else
2834                 {
2835                         VM_Warning("PRVM_GetString: Invalid temp-string offset (%i >= %i vm_tempstringsbuf.cursize)\n", num, vm_tempstringsbuf.cursize);
2836                         return "";
2837                 }
2838         }
2839         else if (num & PRVM_KNOWNSTRINGBASE)
2840         {
2841                 // allocated string
2842                 num = num - PRVM_KNOWNSTRINGBASE;
2843                 if (num >= 0 && num < prog->numknownstrings)
2844                 {
2845                         if (!prog->knownstrings[num])
2846                         {
2847                                 VM_Warning("PRVM_GetString: Invalid zone-string offset (%i has been freed)\n", num);
2848                                 return "";
2849                         }
2850                         return prog->knownstrings[num];
2851                 }
2852                 else
2853                 {
2854                         VM_Warning("PRVM_GetString: Invalid zone-string offset (%i >= %i)\n", num, prog->numknownstrings);
2855                         return "";
2856                 }
2857         }
2858         else
2859         {
2860                 // invalid string offset
2861                 VM_Warning("PRVM_GetString: Invalid constant-string offset (%i >= %i prog->stringssize)\n", num, prog->stringssize);
2862                 return "";
2863         }
2864 }
2865
2866 const char *PRVM_ChangeEngineString(int i, const char *s)
2867 {
2868         const char *old;
2869         i = i - PRVM_KNOWNSTRINGBASE;
2870         if(i < 0 || i >= prog->numknownstrings)
2871                 PRVM_ERROR("PRVM_ChangeEngineString: s is not an engine string");
2872         old = prog->knownstrings[i];
2873         prog->knownstrings[i] = s;
2874         return old;
2875 }
2876
2877 int PRVM_SetEngineString(const char *s)
2878 {
2879         int i;
2880         if (!s)
2881                 return 0;
2882         if (s >= prog->strings && s <= prog->strings + prog->stringssize)
2883                 PRVM_ERROR("PRVM_SetEngineString: s in prog->strings area");
2884         // if it's in the tempstrings area, use a reserved range
2885         // (otherwise we'd get millions of useless string offsets cluttering the database)
2886         if (s >= (char *)vm_tempstringsbuf.data && s < (char *)vm_tempstringsbuf.data + vm_tempstringsbuf.maxsize)
2887 #if 1
2888                 return prog->stringssize + (s - (char *)vm_tempstringsbuf.data);
2889 #endif
2890         // see if it's a known string address
2891         for (i = 0;i < prog->numknownstrings;i++)
2892                 if (prog->knownstrings[i] == s)
2893                         return PRVM_KNOWNSTRINGBASE + i;
2894         // new unknown engine string
2895         if (developer_insane.integer)
2896                 Con_DPrintf("new engine string %p = \"%s\"\n", s, s);
2897         for (i = prog->firstfreeknownstring;i < prog->numknownstrings;i++)
2898                 if (!prog->knownstrings[i])
2899                         break;
2900         if (i >= prog->numknownstrings)
2901         {
2902                 if (i >= prog->maxknownstrings)
2903                 {
2904                         const char **oldstrings = prog->knownstrings;
2905                         const unsigned char *oldstrings_freeable = prog->knownstrings_freeable;
2906                         const char **oldstrings_origin = prog->knownstrings_origin;
2907                         prog->maxknownstrings += 128;
2908                         prog->knownstrings = (const char **)PRVM_Alloc(prog->maxknownstrings * sizeof(char *));
2909                         prog->knownstrings_freeable = (unsigned char *)PRVM_Alloc(prog->maxknownstrings * sizeof(unsigned char));
2910                         if(prog->leaktest_active)
2911                                 prog->knownstrings_origin = (const char **)PRVM_Alloc(prog->maxknownstrings * sizeof(char *));
2912                         if (prog->numknownstrings)
2913                         {
2914                                 memcpy((char **)prog->knownstrings, oldstrings, prog->numknownstrings * sizeof(char *));
2915                                 memcpy((char **)prog->knownstrings_freeable, oldstrings_freeable, prog->numknownstrings * sizeof(unsigned char));
2916                                 if(prog->leaktest_active)
2917                                         memcpy((char **)prog->knownstrings_origin, oldstrings_origin, prog->numknownstrings * sizeof(char *));
2918                         }
2919                 }
2920                 prog->numknownstrings++;
2921         }
2922         prog->firstfreeknownstring = i + 1;
2923         prog->knownstrings[i] = s;
2924         prog->knownstrings_freeable[i] = false;
2925         if(prog->leaktest_active)
2926                 prog->knownstrings_origin[i] = NULL;
2927         return PRVM_KNOWNSTRINGBASE + i;
2928 }
2929
2930 // temp string handling
2931
2932 // all tempstrings go into this buffer consecutively, and it is reset
2933 // whenever PRVM_ExecuteProgram returns to the engine
2934 // (technically each PRVM_ExecuteProgram call saves the cursize value and
2935 //  restores it on return, so multiple recursive calls can share the same
2936 //  buffer)
2937 // the buffer size is automatically grown as needed
2938
2939 int PRVM_SetTempString(const char *s)
2940 {
2941         int size;
2942         char *t;
2943         if (!s)
2944                 return 0;
2945         size = (int)strlen(s) + 1;
2946         if (developer_insane.integer)
2947                 Con_DPrintf("PRVM_SetTempString: cursize %i, size %i\n", vm_tempstringsbuf.cursize, size);
2948         if (vm_tempstringsbuf.maxsize < vm_tempstringsbuf.cursize + size)
2949         {
2950                 sizebuf_t old = vm_tempstringsbuf;
2951                 if (vm_tempstringsbuf.cursize + size >= 1<<28)
2952                         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);
2953                 vm_tempstringsbuf.maxsize = max(vm_tempstringsbuf.maxsize, 65536);
2954                 while (vm_tempstringsbuf.maxsize < vm_tempstringsbuf.cursize + size)
2955                         vm_tempstringsbuf.maxsize *= 2;
2956                 if (vm_tempstringsbuf.maxsize != old.maxsize || vm_tempstringsbuf.data == NULL)
2957                 {
2958                         Con_DPrintf("PRVM_SetTempString: enlarging tempstrings buffer (%iKB -> %iKB)\n", old.maxsize/1024, vm_tempstringsbuf.maxsize/1024);
2959                         vm_tempstringsbuf.data = (unsigned char *) Mem_Alloc(sv_mempool, vm_tempstringsbuf.maxsize);
2960                         if (old.cursize)
2961                                 memcpy(vm_tempstringsbuf.data, old.data, old.cursize);
2962                         if (old.data)
2963                                 Mem_Free(old.data);
2964                 }
2965         }
2966         t = (char *)vm_tempstringsbuf.data + vm_tempstringsbuf.cursize;
2967         memcpy(t, s, size);
2968         vm_tempstringsbuf.cursize += size;
2969         return PRVM_SetEngineString(t);
2970 }
2971
2972 int PRVM_AllocString(size_t bufferlength, char **pointer)
2973 {
2974         int i;
2975         if (!bufferlength)
2976                 return 0;
2977         for (i = prog->firstfreeknownstring;i < prog->numknownstrings;i++)
2978                 if (!prog->knownstrings[i])
2979                         break;
2980         if (i >= prog->numknownstrings)
2981         {
2982                 if (i >= prog->maxknownstrings)
2983                 {
2984                         const char **oldstrings = prog->knownstrings;
2985                         const unsigned char *oldstrings_freeable = prog->knownstrings_freeable;
2986                         const char **oldstrings_origin = prog->knownstrings_origin;
2987                         prog->maxknownstrings += 128;
2988                         prog->knownstrings = (const char **)PRVM_Alloc(prog->maxknownstrings * sizeof(char *));
2989                         prog->knownstrings_freeable = (unsigned char *)PRVM_Alloc(prog->maxknownstrings * sizeof(unsigned char));
2990                         if(prog->leaktest_active)
2991                                 prog->knownstrings_origin = (const char **)PRVM_Alloc(prog->maxknownstrings * sizeof(char *));
2992                         if (prog->numknownstrings)
2993                         {
2994                                 memcpy((char **)prog->knownstrings, oldstrings, prog->numknownstrings * sizeof(char *));
2995                                 memcpy((char **)prog->knownstrings_freeable, oldstrings_freeable, prog->numknownstrings * sizeof(unsigned char));
2996                                 if(prog->leaktest_active)
2997                                         memcpy((char **)prog->knownstrings_origin, oldstrings_origin, prog->numknownstrings * sizeof(char *));
2998                         }
2999                         if (oldstrings)
3000                                 Mem_Free((char **)oldstrings);
3001                         if (oldstrings_freeable)
3002                                 Mem_Free((unsigned char *)oldstrings_freeable);
3003                         if (oldstrings_origin)
3004                                 Mem_Free((char **)oldstrings_origin);
3005                 }
3006                 prog->numknownstrings++;
3007         }
3008         prog->firstfreeknownstring = i + 1;
3009         prog->knownstrings[i] = (char *)PRVM_Alloc(bufferlength);
3010         prog->knownstrings_freeable[i] = true;
3011         if(prog->leaktest_active)
3012                 prog->knownstrings_origin[i] = PRVM_AllocationOrigin();
3013         if (pointer)
3014                 *pointer = (char *)(prog->knownstrings[i]);
3015         return PRVM_KNOWNSTRINGBASE + i;
3016 }
3017
3018 void PRVM_FreeString(int num)
3019 {
3020         if (num == 0)
3021                 PRVM_ERROR("PRVM_FreeString: attempt to free a NULL string");
3022         else if (num >= 0 && num < prog->stringssize)
3023                 PRVM_ERROR("PRVM_FreeString: attempt to free a constant string");
3024         else if (num >= PRVM_KNOWNSTRINGBASE && num < PRVM_KNOWNSTRINGBASE + prog->numknownstrings)
3025         {
3026                 num = num - PRVM_KNOWNSTRINGBASE;
3027                 if (!prog->knownstrings[num])
3028                         PRVM_ERROR("PRVM_FreeString: attempt to free a non-existent or already freed string");
3029                 if (!prog->knownstrings_freeable[num])
3030                         PRVM_ERROR("PRVM_FreeString: attempt to free a string owned by the engine");
3031                 PRVM_Free((char *)prog->knownstrings[num]);
3032                 if(prog->leaktest_active)
3033                         if(prog->knownstrings_origin[num])
3034                                 PRVM_Free((char *)prog->knownstrings_origin[num]);
3035                 prog->knownstrings[num] = NULL;
3036                 prog->knownstrings_freeable[num] = false;
3037                 prog->firstfreeknownstring = min(prog->firstfreeknownstring, num);
3038         }
3039         else
3040                 PRVM_ERROR("PRVM_FreeString: invalid string offset %i", num);
3041 }
3042
3043 static qboolean PRVM_IsStringReferenced(string_t string)
3044 {
3045         int i, j;
3046
3047         for (i = 0;i < prog->progs->numglobaldefs;i++)
3048         {
3049                 ddef_t *d = &prog->globaldefs[i];
3050                 if((etype_t)((int) d->type & ~DEF_SAVEGLOBAL) != ev_string)
3051                         continue;
3052                 if(string == ((prvm_eval_t *) &prog->globals.generic[d->ofs])->string)
3053                         return true;
3054         }
3055
3056         for(j = 0; j < prog->num_edicts; ++j)
3057         {
3058                 prvm_edict_t *ed = PRVM_EDICT_NUM(j);
3059                 if (ed->priv.required->free)
3060                         continue;
3061                 for (i=0; i<prog->progs->numfielddefs; ++i)
3062                 {
3063                         ddef_t *d = &prog->fielddefs[i];
3064                         if((etype_t)((int) d->type & ~DEF_SAVEGLOBAL) != ev_string)
3065                                 continue;
3066                         if(string == ((prvm_eval_t *) &ed->fields.vp[d->ofs])->string)
3067                                 return true;
3068                 }
3069         }
3070
3071         return false;
3072 }
3073
3074 static qboolean PRVM_IsEdictRelevant(prvm_edict_t *edict)
3075 {
3076         if(PRVM_NUM_FOR_EDICT(edict) <= prog->reserved_edicts)
3077                 return true; // world or clients
3078         switch(prog - prog_list)
3079         {
3080                 case PRVM_SERVERPROG:
3081                         {
3082                                 entvars_t *ev = edict->fields.server;
3083                                 if(ev->solid) // can block other stuff, or is a trigger?
3084                                         return true;
3085                                 if(ev->modelindex) // visible ent?
3086                                         return true;
3087                                 if(ev->effects) // particle effect?
3088                                         return true;
3089                                 if(ev->think) // has a think function?
3090                                         if(ev->nextthink > 0) // that actually will eventually run?
3091                                                 return true;
3092                                 if(ev->takedamage)
3093                                         return true;
3094                                 if(*prvm_leaktest_ignore_classnames.string)
3095                                 {
3096                                         if(strstr(va(" %s ", prvm_leaktest_ignore_classnames.string), va(" %s ", PRVM_GetString(ev->classname))))
3097                                                 return true;
3098                                 }
3099                         }
3100                         break;
3101                 case PRVM_CLIENTPROG:
3102                         {
3103                                 // TODO someone add more stuff here
3104                                 cl_entvars_t *ev = edict->fields.client;
3105                                 if(ev->entnum) // csqc networked
3106                                         return true;
3107                                 if(ev->modelindex) // visible ent?
3108                                         return true;
3109                                 if(ev->effects) // particle effect?
3110                                         return true;
3111                                 if(ev->think) // has a think function?
3112                                         if(ev->nextthink > 0) // that actually will eventually run?
3113                                                 return true;
3114                                 if(*prvm_leaktest_ignore_classnames.string)
3115                                 {
3116                                         if(strstr(va(" %s ", prvm_leaktest_ignore_classnames.string), va(" %s ", PRVM_GetString(ev->classname))))
3117                                                 return true;
3118                                 }
3119                         }
3120                         break;
3121                 case PRVM_MENUPROG:
3122                         // menu prog does not have classnames
3123                         break;
3124         }
3125         return false;
3126 }
3127
3128 static qboolean PRVM_IsEdictReferenced(prvm_edict_t *edict, int mark)
3129 {
3130         int i, j;
3131         int edictnum = PRVM_NUM_FOR_EDICT(edict);
3132         const char *targetname = NULL;
3133
3134         switch(prog - prog_list)
3135         {
3136                 case PRVM_SERVERPROG:
3137                         targetname = PRVM_GetString(edict->fields.server->targetname);
3138                         break;
3139         }
3140
3141         if(targetname)
3142                 if(!*targetname) // ""
3143                         targetname = NULL;
3144
3145         for (i = 0;i < prog->progs->numglobaldefs;i++)
3146         {
3147                 ddef_t *d = &prog->globaldefs[i];
3148                 if((etype_t)((int) d->type & ~DEF_SAVEGLOBAL) != ev_entity)
3149                         continue;
3150                 if(edictnum == ((prvm_eval_t *) &prog->globals.generic[d->ofs])->edict)
3151                         return true;
3152         }
3153
3154         for(j = 0; j < prog->num_edicts; ++j)
3155         {
3156                 prvm_edict_t *ed = PRVM_EDICT_NUM(j);
3157                 if (ed->priv.required->mark < mark)
3158                         continue;
3159                 if(ed == edict)
3160                         continue;
3161                 if(targetname)
3162                 {
3163                         const char *target = PRVM_GetString(ed->fields.server->target);
3164                         if(target)
3165                                 if(!strcmp(target, targetname))
3166                                         return true;
3167                 }
3168                 for (i=0; i<prog->progs->numfielddefs; ++i)
3169                 {
3170                         ddef_t *d = &prog->fielddefs[i];
3171                         if((etype_t)((int) d->type & ~DEF_SAVEGLOBAL) != ev_entity)
3172                                 continue;
3173                         if(edictnum == ((prvm_eval_t *) &ed->fields.vp[d->ofs])->edict)
3174                                 return true;
3175                 }
3176         }
3177
3178         return false;
3179 }
3180
3181 static void PRVM_MarkReferencedEdicts(void)
3182 {
3183         int j;
3184         qboolean found_new;
3185         int stage;
3186
3187         for(j = 0; j < prog->num_edicts; ++j)
3188         {
3189                 prvm_edict_t *ed = PRVM_EDICT_NUM(j);
3190                 if(ed->priv.required->free)
3191                         continue;
3192                 ed->priv.required->mark = PRVM_IsEdictRelevant(ed) ? 1 : 0;
3193         }
3194
3195         stage = 1;
3196         do
3197         {
3198                 found_new = false;
3199                 for(j = 0; j < prog->num_edicts; ++j)
3200                 {
3201                         prvm_edict_t *ed = PRVM_EDICT_NUM(j);
3202                         if(ed->priv.required->free)
3203                                 continue;
3204                         if(ed->priv.required->mark)
3205                                 continue;
3206                         if(PRVM_IsEdictReferenced(ed, stage))
3207                         {
3208                                 ed->priv.required->mark = stage + 1;
3209                                 found_new = true;
3210                         }
3211                 }
3212                 ++stage;
3213         }
3214         while(found_new);
3215         Con_DPrintf("leak check used %d stages to find all references\n", stage);
3216 }
3217
3218 void PRVM_LeakTest(void)
3219 {
3220         int i, j;
3221         qboolean leaked = false;
3222
3223         if(!prog->leaktest_active)
3224                 return;
3225
3226         // 1. Strings
3227         for (i = 0; i < prog->numknownstrings; ++i)
3228         {
3229                 if(prog->knownstrings[i])
3230                 if(prog->knownstrings_freeable[i])
3231                 if(prog->knownstrings_origin[i])
3232                 if(!PRVM_IsStringReferenced(-1 - i))
3233                 {
3234                         Con_Printf("Unreferenced string found!\n  Value: %s\n  Origin: %s\n", prog->knownstrings[i], prog->knownstrings_origin[i]);
3235                         leaked = true;
3236                 }
3237         }
3238
3239         // 2. Edicts
3240         PRVM_MarkReferencedEdicts();
3241         for(j = 0; j < prog->num_edicts; ++j)
3242         {
3243                 prvm_edict_t *ed = PRVM_EDICT_NUM(j);
3244                 if(ed->priv.required->free)
3245                         continue;
3246                 if(!ed->priv.required->mark)
3247                 if(ed->priv.required->allocation_origin)
3248                 {
3249                         Con_Printf("Unreferenced edict found!\n  Allocated at: %s\n", ed->priv.required->allocation_origin);
3250                         PRVM_ED_Print(ed, NULL);
3251                         Con_Print("\n");
3252                         leaked = true;
3253                 }
3254         }
3255
3256         for (i = 0; i < (int)Mem_ExpandableArray_IndexRange(&prog->stringbuffersarray); ++i)
3257         {
3258                 prvm_stringbuffer_t *stringbuffer = (prvm_stringbuffer_t*) Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, i);
3259                 if(stringbuffer)
3260                 if(stringbuffer->origin)
3261                 {
3262                         Con_Printf("Open string buffer handle found!\n  Allocated at: %s\n", stringbuffer->origin);
3263                         leaked = true;
3264                 }
3265         }
3266
3267         for(i = 0; i < PRVM_MAX_OPENFILES; ++i)
3268         {
3269                 if(prog->openfiles[i])
3270                 if(prog->openfiles_origin[i])
3271                 {
3272                         Con_Printf("Open file handle found!\n  Allocated at: %s\n", prog->openfiles_origin[i]);
3273                         leaked = true;
3274                 }
3275         }
3276
3277         for(i = 0; i < PRVM_MAX_OPENSEARCHES; ++i)
3278         {
3279                 if(prog->opensearches[i])
3280                 if(prog->opensearches_origin[i])
3281                 {
3282                         Con_Printf("Open search handle found!\n  Allocated at: %s\n", prog->opensearches_origin[i]);
3283                         leaked = true;
3284                 }
3285         }
3286
3287         if(!leaked)
3288                 Con_Printf("Congratulations. No leaks found.\n");
3289 }