prvm_edict.c

   1 /*
   2 Copyright (C) 1996-1997 Id Software, Inc.
   3
   4 This program is free software; you can redistribute it and/or
   5 modify it under the terms of the GNU General Public License
   6 as published by the Free Software Foundation; either version 2
   7 of the License, or (at your option) any later version.
   8
   9 This program is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  12
  13 See the GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18
  19 */
  20 // AK new vm
  21
  22 #include "quakedef.h"
  23 #include "progsvm.h"
  24
  25 prvm_prog_t *prog;
  26
  27 static prvm_prog_t prog_list[PRVM_MAXPROGS];
  28
  29 int             prvm_type_size[8] = {1,sizeof(string_t)/4,1,3,1,1,sizeof(func_t)/4,sizeof(void *)/4};
  30
  31 ddef_t *PRVM_ED_FieldAtOfs(int ofs);
  32 qboolean PRVM_ED_ParseEpair(prvm_edict_t *ent, ddef_t *key, const char *s, qboolean parsebackslash);
  33
  34 cvar_t prvm_language = {0, "prvm_language", "", "when set, loads progs.dat.LANGUAGENAME.po for string translations; when set to dump, progs.dat.dump.po is written from the strings in the progs"};
  35 // LordHavoc: prints every opcode as it executes - warning: this is significant spew
  36 cvar_t prvm_traceqc = {0, "prvm_traceqc", "0", "prints every QuakeC statement as it is executed (only for really thorough debugging!)"};
  37 // LordHavoc: counts usage of each QuakeC statement
  38 cvar_t prvm_statementprofiling = {0, "prvm_statementprofiling", "0", "counts how many times each QuakeC statement has been executed, these counts are displayed in prvm_printfunction output (if enabled)"};
  39 cvar_t prvm_backtraceforwarnings = {0, "prvm_backtraceforwarnings", "0", "print a backtrace for warnings too"};
  40 cvar_t prvm_leaktest = {0, "prvm_leaktest", "0", "try to detect memory leaks in strings or entities"};
  41 cvar_t prvm_leaktest_ignore_classnames = {0, "prvm_leaktest_ignore_classnames", "", "classnames of entities to NOT leak check because they are found by find(world, classname, ...) but are actually spawned by QC code (NOT map entities)"};
  42 cvar_t prvm_errordump = {0, "prvm_errordump", "0", "write a savegame on crash to crash-server.dmp"};
  43 cvar_t prvm_reuseedicts_startuptime = {0, "prvm_reuseedicts_startuptime", "2", "allows immediate re-use of freed entity slots during start of new level (value in seconds)"};
  44 cvar_t prvm_reuseedicts_neverinsameframe = {0, "prvm_reuseedicts_neverinsameframe", "1", "never allows re-use of freed entity slots during same frame"};
  45
  46 static double prvm_reuseedicts_always_allow = 0;
  47 qboolean prvm_runawaycheck = true;
  48
  49 extern sizebuf_t vm_tempstringsbuf;
  50
  51 //============================================================================
  52 // mempool handling
  53
  54 /*
  55 ===============
  56 PRVM_MEM_Alloc
  57 ===============
  58 */
  59 void PRVM_MEM_Alloc(void)
  60 {
  61         int i;
  62
  63         // reserve space for the null entity aka world
  64         // check bound of max_edicts
  65         prog->max_edicts = bound(1 + prog->reserved_edicts, prog->max_edicts, prog->limit_edicts);
  66         prog->num_edicts = bound(1 + prog->reserved_edicts, prog->num_edicts, prog->max_edicts);
  67
  68         // edictprivate_size has to be min as big prvm_edict_private_t
  69         prog->edictprivate_size = max(prog->edictprivate_size,(int)sizeof(prvm_edict_private_t));
  70
  71         // alloc edicts
  72         prog->edicts = (prvm_edict_t *)Mem_Alloc(prog->progs_mempool,prog->limit_edicts * sizeof(prvm_edict_t));
  73
  74         // alloc edict private space
  75         prog->edictprivate = Mem_Alloc(prog->progs_mempool, prog->max_edicts * prog->edictprivate_size);
  76
  77         // alloc edict fields
  78         prog->entityfieldsarea = prog->entityfields * prog->max_edicts;
  79         prog->edictsfields = (vec_t *)Mem_Alloc(prog->progs_mempool, prog->entityfieldsarea * sizeof(vec_t));
  80
  81         // set edict pointers
  82         for(i = 0; i < prog->max_edicts; i++)
  83         {
  84                 prog->edicts[i].priv.required = (prvm_edict_private_t *)((unsigned char  *)prog->edictprivate + i * prog->edictprivate_size);
  85                 prog->edicts[i].fields.vp = prog->edictsfields + i * prog->entityfields;
  86         }
  87 }
  88
  89 /*
  90 ===============
  91 PRVM_MEM_IncreaseEdicts
  92 ===============
  93 */
  94 void PRVM_MEM_IncreaseEdicts(void)
  95 {
  96         int             i;
  97
  98         if(prog->max_edicts >= prog->limit_edicts)
  99                 return;
 100
 101         PRVM_GCALL(begin_increase_edicts)();
 102
 103         // increase edicts
 104         prog->max_edicts = min(prog->max_edicts + 256, prog->limit_edicts);
 105
 106         prog->entityfieldsarea = prog->entityfields * prog->max_edicts;
 107         prog->edictsfields = (vec_t*)Mem_Realloc(prog->progs_mempool, (void *)prog->edictsfields, prog->entityfieldsarea * sizeof(vec_t));
 108         prog->edictprivate = (void *)Mem_Realloc(prog->progs_mempool, (void *)prog->edictprivate, prog->max_edicts * prog->edictprivate_size);
 109
 110         //set e and v pointers
 111         for(i = 0; i < prog->max_edicts; i++)
 112         {
 113                 prog->edicts[i].priv.required  = (prvm_edict_private_t *)((unsigned char  *)prog->edictprivate + i * prog->edictprivate_size);
 114                 prog->edicts[i].fields.vp = prog->edictsfields + i * prog->entityfields;
 115         }
 116
 117         PRVM_GCALL(end_increase_edicts)();
 118 }
 119
 120 //============================================================================
 121 // normal prvm
 122
 123 int PRVM_ED_FindFieldOffset(const char *field)
 124 {
 125         ddef_t *d;
 126         d = PRVM_ED_FindField(field);
 127         if (!d)
 128                 return -1;
 129         return d->ofs;
 130 }
 131
 132 int PRVM_ED_FindGlobalOffset(const char *global)
 133 {
 134         ddef_t *d;
 135         d = PRVM_ED_FindGlobal(global);
 136         if (!d)
 137                 return -1;
 138         return d->ofs;
 139 }
 140
 141 func_t PRVM_ED_FindFunctionOffset(const char *function)
 142 {
 143         mfunction_t *f;
 144         f = PRVM_ED_FindFunction(function);
 145         if (!f)
 146                 return 0;
 147         return (func_t)(f - prog->functions);
 148 }
 149
 150 qboolean PRVM_ProgLoaded(int prognr)
 151 {
 152         if(prognr < 0 || prognr >= PRVM_MAXPROGS)
 153                 return FALSE;
 154
 155         return (prog_list[prognr].loaded ? TRUE : FALSE);
 156 }
 157
 158 /*
 159 =================
 160 PRVM_SetProgFromString
 161 =================
 162 */
 163 // perhaps add a return value when the str doesnt exist
 164 qboolean PRVM_SetProgFromString(const char *str)
 165 {
 166         int i = 0;
 167         for(; i < PRVM_MAXPROGS ; i++)
 168                 if(prog_list[i].name && !strcmp(prog_list[i].name,str))
 169                 {
 170                         if(prog_list[i].loaded)
 171                         {
 172                                 prog = &prog_list[i];
 173                                 return TRUE;
 174                         }
 175                         else
 176                         {
 177                                 Con_Printf("%s not loaded !\n",PRVM_NAME);
 178                                 return FALSE;
 179                         }
 180                 }
 181
 182         Con_Printf("Invalid program name %s !\n", str);
 183         return FALSE;
 184 }
 185
 186 /*
 187 =================
 188 PRVM_SetProg
 189 =================
 190 */
 191 void PRVM_SetProg(int prognr)
 192 {
 193         if(0 <= prognr && prognr < PRVM_MAXPROGS)
 194         {
 195                 if(prog_list[prognr].loaded)
 196                         prog = &prog_list[prognr];
 197                 else
 198                         PRVM_ERROR("%i not loaded !", prognr);
 199                 return;
 200         }
 201         PRVM_ERROR("Invalid program number %i", prognr);
 202 }
 203
 204 /*
 205 =================
 206 PRVM_ED_ClearEdict
 207
 208 Sets everything to NULL
 209 =================
 210 */
 211 void PRVM_ED_ClearEdict (prvm_edict_t *e)
 212 {
 213         memset (e->fields.vp, 0, prog->progs->entityfields * 4);
 214         e->priv.required->free = false;
 215
 216         // AK: Let the init_edict function determine if something needs to be initialized
 217         PRVM_GCALL(init_edict)(e);
 218 }
 219
 220 const char *PRVM_AllocationOrigin(void)
 221 {
 222         char *buf = NULL;
 223         if(prog->leaktest_active)
 224         if(prog->depth > 0) // actually in QC code and not just parsing the entities block of a map/savegame
 225         {
 226                 buf = (char *)PRVM_Alloc(128);
 227                 PRVM_ShortStackTrace(buf, 128);
 228         }
 229         return buf;
 230 }
 231
 232 /*
 233 =================
 234 PRVM_ED_CanAlloc
 235
 236 Returns if this particular edict could get allocated by PRVM_ED_Alloc
 237 =================
 238 */
 239 qboolean PRVM_ED_CanAlloc(prvm_edict_t *e)
 240 {
 241         if(!e->priv.required->free)
 242                 return false;
 243         if(prvm_reuseedicts_always_allow == realtime)
 244                 return true;
 245         if(realtime <= e->priv.required->freetime && prvm_reuseedicts_neverinsameframe.integer)
 246                 return false; // never allow reuse in same frame (causes networking trouble)
 247         if(e->priv.required->freetime < prog->starttime + prvm_reuseedicts_startuptime.value)
 248                 return true;
 249         if(realtime > e->priv.required->freetime + 1)
 250                 return true;
 251         return false; // entity slot still blocked because the entity was freed less than one second ago
 252 }
 253
 254 /*
 255 =================
 256 PRVM_ED_Alloc
 257
 258 Either finds a free edict, or allocates a new one.
 259 Try to avoid reusing an entity that was recently freed, because it
 260 can cause the client to think the entity morphed into something else
 261 instead of being removed and recreated, which can cause interpolated
 262 angles and bad trails.
 263 =================
 264 */
 265 prvm_edict_t *PRVM_ED_Alloc (void)
 266 {
 267         int                     i;
 268         prvm_edict_t            *e;
 269
 270         // the client qc dont need maxclients
 271         // thus it doesnt need to use svs.maxclients
 272         // AK:  changed i=svs.maxclients+1
 273         // AK:  changed so the edict 0 wont spawn -> used as reserved/world entity
 274         //              although the menu/client has no world
 275         for (i = prog->reserved_edicts + 1;i < prog->num_edicts;i++)
 276         {
 277                 e = PRVM_EDICT_NUM(i);
 278                 if(PRVM_ED_CanAlloc(e))
 279                 {
 280                         PRVM_ED_ClearEdict (e);
 281                         e->priv.required->allocation_origin = PRVM_AllocationOrigin();
 282                         return e;
 283                 }
 284         }
 285
 286         if (i == prog->limit_edicts)
 287                 PRVM_ERROR ("%s: PRVM_ED_Alloc: no free edicts",PRVM_NAME);
 288
 289         prog->num_edicts++;
 290         if (prog->num_edicts >= prog->max_edicts)
 291                 PRVM_MEM_IncreaseEdicts();
 292
 293         e = PRVM_EDICT_NUM(i);
 294         PRVM_ED_ClearEdict (e);
 295
 296         e->priv.required->allocation_origin = PRVM_AllocationOrigin();
 297
 298         return e;
 299 }
 300
 301 /*
 302 =================
 303 PRVM_ED_Free
 304
 305 Marks the edict as free
 306 FIXME: walk all entities and NULL out references to this entity
 307 =================
 308 */
 309 void PRVM_ED_Free (prvm_edict_t *ed)
 310 {
 311         // dont delete the null entity (world) or reserved edicts
 312         if(PRVM_NUM_FOR_EDICT(ed) <= prog->reserved_edicts )
 313                 return;
 314
 315         PRVM_GCALL(free_edict)(ed);
 316
 317         ed->priv.required->free = true;
 318         ed->priv.required->freetime = realtime;
 319         if(ed->priv.required->allocation_origin)
 320         {
 321                 PRVM_Free((char *)ed->priv.required->allocation_origin);
 322                 ed->priv.required->allocation_origin = NULL;
 323         }
 324 }
 325
 326 //===========================================================================
 327
 328 /*
 329 ============
 330 PRVM_ED_GlobalAtOfs
 331 ============
 332 */
 333 ddef_t *PRVM_ED_GlobalAtOfs (int ofs)
 334 {
 335         ddef_t          *def;
 336         int                     i;
 337
 338         for (i=0 ; i<prog->progs->numglobaldefs ; i++)
 339         {
 340                 def = &prog->globaldefs[i];
 341                 if (def->ofs == ofs)
 342                         return def;
 343         }
 344         return NULL;
 345 }
 346
 347 /*
 348 ============
 349 PRVM_ED_FieldAtOfs
 350 ============
 351 */
 352 ddef_t *PRVM_ED_FieldAtOfs (int ofs)
 353 {
 354         ddef_t          *def;
 355         int                     i;
 356
 357         for (i=0 ; i<prog->progs->numfielddefs ; i++)
 358         {
 359                 def = &prog->fielddefs[i];
 360                 if (def->ofs == ofs)
 361                         return def;
 362         }
 363         return NULL;
 364 }
 365
 366 /*
 367 ============
 368 PRVM_ED_FindField
 369 ============
 370 */
 371 ddef_t *PRVM_ED_FindField (const char *name)
 372 {
 373         ddef_t *def;
 374         int i;
 375
 376         for (i=0 ; i<prog->progs->numfielddefs ; i++)
 377         {
 378                 def = &prog->fielddefs[i];
 379                 if (!strcmp(PRVM_GetString(def->s_name), name))
 380                         return def;
 381         }
 382         return NULL;
 383 }
 384
 385 /*
 386 ============
 387 PRVM_ED_FindGlobal
 388 ============
 389 */
 390 ddef_t *PRVM_ED_FindGlobal (const char *name)
 391 {
 392         ddef_t *def;
 393         int i;
 394
 395         for (i=0 ; i<prog->progs->numglobaldefs ; i++)
 396         {
 397                 def = &prog->globaldefs[i];
 398                 if (!strcmp(PRVM_GetString(def->s_name), name))
 399                         return def;
 400         }
 401         return NULL;
 402 }
 403
 404
 405 /*
 406 ============
 407 PRVM_ED_FindFunction
 408 ============
 409 */
 410 mfunction_t *PRVM_ED_FindFunction (const char *name)
 411 {
 412         mfunction_t             *func;
 413         int                             i;
 414
 415         for (i=0 ; i<prog->progs->numfunctions ; i++)
 416         {
 417                 func = &prog->functions[i];
 418                 if (!strcmp(PRVM_GetString(func->s_name), name))
 419                         return func;
 420         }
 421         return NULL;
 422 }
 423
 424
 425 /*
 426 ============
 427 PRVM_ValueString
 428
 429 Returns a string describing *data in a type specific manner
 430 =============
 431 */
 432 char *PRVM_ValueString (etype_t type, prvm_eval_t *val)
 433 {
 434         static char line[MAX_INPUTLINE];
 435         ddef_t *def;
 436         mfunction_t *f;
 437         int n;
 438
 439         type = (etype_t)((int) type & ~DEF_SAVEGLOBAL);
 440
 441         switch (type)
 442         {
 443         case ev_string:
 444                 strlcpy (line, PRVM_GetString (val->string), sizeof (line));
 445                 break;
 446         case ev_entity:
 447                 n = val->edict;
 448                 if (n < 0 || n >= prog->max_edicts)
 449                         dpsnprintf (line, sizeof(line), "entity %i (invalid!)", n);
 450                 else
 451                         dpsnprintf (line, sizeof(line), "entity %i", n);
 452                 break;
 453         case ev_function:
 454                 f = prog->functions + val->function;
 455                 dpsnprintf (line, sizeof(line), "%s()", PRVM_GetString(f->s_name));
 456                 break;
 457         case ev_field:
 458                 def = PRVM_ED_FieldAtOfs ( val->_int );
 459                 dpsnprintf (line, sizeof(line), ".%s", PRVM_GetString(def->s_name));
 460                 break;
 461         case ev_void:
 462                 dpsnprintf (line, sizeof(line), "void");
 463                 break;
 464         case ev_float:
 465                 // LordHavoc: changed from %5.1f to %10.4f
 466                 dpsnprintf (line, sizeof(line), "%10.4f", val->_float);
 467                 break;
 468         case ev_vector:
 469                 // LordHavoc: changed from %5.1f to %10.4f
 470                 dpsnprintf (line, sizeof(line), "'%10.4f %10.4f %10.4f'", val->vector[0], val->vector[1], val->vector[2]);
 471                 break;
 472         case ev_pointer:
 473                 dpsnprintf (line, sizeof(line), "pointer");
 474                 break;
 475         default:
 476                 dpsnprintf (line, sizeof(line), "bad type %i", (int) type);
 477                 break;
 478         }
 479
 480         return line;
 481 }
 482
 483 /*
 484 ============
 485 PRVM_UglyValueString
 486
 487 Returns a string describing *data in a type specific manner
 488 Easier to parse than PR_ValueString
 489 =============
 490 */
 491 char *PRVM_UglyValueString (etype_t type, prvm_eval_t *val)
 492 {
 493         static char line[MAX_INPUTLINE];
 494         int i;
 495         const char *s;
 496         ddef_t *def;
 497         mfunction_t *f;
 498
 499         type = (etype_t)((int)type & ~DEF_SAVEGLOBAL);
 500
 501         switch (type)
 502         {
 503         case ev_string:
 504                 // Parse the string a bit to turn special characters
 505                 // (like newline, specifically) into escape codes,
 506                 // this fixes saving games from various mods
 507                 s = PRVM_GetString (val->string);
 508                 for (i = 0;i < (int)sizeof(line) - 2 && *s;)
 509                 {
 510                         if (*s == '\n')
 511                         {
 512                                 line[i++] = '\\';
 513                                 line[i++] = 'n';
 514                         }
 515                         else if (*s == '\r')
 516                         {
 517                                 line[i++] = '\\';
 518                                 line[i++] = 'r';
 519                         }
 520                         else if (*s == '\\')
 521                         {
 522                                 line[i++] = '\\';
 523                                 line[i++] = '\\';
 524                         }
 525                         else if (*s == '"')
 526                         {
 527                                 line[i++] = '\\';
 528                                 line[i++] = '"';
 529                         }
 530                         else
 531                                 line[i++] = *s;
 532                         s++;
 533                 }
 534                 line[i] = '\0';
 535                 break;
 536         case ev_entity:
 537                 dpsnprintf (line, sizeof (line), "%i", PRVM_NUM_FOR_EDICT(PRVM_PROG_TO_EDICT(val->edict)));
 538                 break;
 539         case ev_function:
 540                 f = prog->functions + val->function;
 541                 strlcpy (line, PRVM_GetString (f->s_name), sizeof (line));
 542                 break;
 543         case ev_field:
 544                 def = PRVM_ED_FieldAtOfs ( val->_int );
 545                 dpsnprintf (line, sizeof (line), ".%s", PRVM_GetString(def->s_name));
 546                 break;
 547         case ev_void:
 548                 dpsnprintf (line, sizeof (line), "void");
 549                 break;
 550         case ev_float:
 551                 dpsnprintf (line, sizeof (line), "%.9g", val->_float);
 552                 break;
 553         case ev_vector:
 554                 dpsnprintf (line, sizeof (line), "%.9g %.9g %.9g", val->vector[0], val->vector[1], val->vector[2]);
 555                 break;
 556         default:
 557                 dpsnprintf (line, sizeof (line), "bad type %i", type);
 558                 break;
 559         }
 560
 561         return line;
 562 }
 563
 564 /*
 565 ============
 566 PRVM_GlobalString
 567
 568 Returns a string with a description and the contents of a global,
 569 padded to 20 field width
 570 ============
 571 */
 572 char *PRVM_GlobalString (int ofs)
 573 {
 574         char    *s;
 575         //size_t        i;
 576         ddef_t  *def;
 577         void    *val;
 578         static char     line[128];
 579
 580         val = (void *)&prog->globals.generic[ofs];
 581         def = PRVM_ED_GlobalAtOfs(ofs);
 582         if (!def)
 583                 dpsnprintf (line, sizeof(line), "GLOBAL%i", ofs);
 584         else
 585         {
 586                 s = PRVM_ValueString ((etype_t)def->type, (prvm_eval_t *)val);
 587                 dpsnprintf (line, sizeof(line), "%s (=%s)", PRVM_GetString(def->s_name), s);
 588         }
 589
 590         //i = strlen(line);
 591         //for ( ; i<20 ; i++)
 592         //      strcat (line," ");
 593         //strcat (line," ");
 594
 595         return line;
 596 }
 597
 598 char *PRVM_GlobalStringNoContents (int ofs)
 599 {
 600         //size_t        i;
 601         ddef_t  *def;
 602         static char     line[128];
 603
 604         def = PRVM_ED_GlobalAtOfs(ofs);
 605         if (!def)
 606                 dpsnprintf (line, sizeof(line), "GLOBAL%i", ofs);
 607         else
 608                 dpsnprintf (line, sizeof(line), "%s", PRVM_GetString(def->s_name));
 609
 610         //i = strlen(line);
 611         //for ( ; i<20 ; i++)
 612         //      strcat (line," ");
 613         //strcat (line," ");
 614
 615         return line;
 616 }
 617
 618
 619 /*
 620 =============
 621 PRVM_ED_Print
 622
 623 For debugging
 624 =============
 625 */
 626 // LordHavoc: optimized this to print out much more quickly (tempstring)
 627 // LordHavoc: changed to print out every 4096 characters (incase there are a lot of fields to print)
 628 void PRVM_ED_Print(prvm_edict_t *ed, const char *wildcard_fieldname)
 629 {
 630         size_t  l;
 631         ddef_t  *d;
 632         int             *v;
 633         int             i, j;
 634         const char      *name;
 635         int             type;
 636         char    tempstring[MAX_INPUTLINE], tempstring2[260]; // temporary string buffers
 637
 638         if (ed->priv.required->free)
 639         {
 640                 Con_Printf("%s: FREE\n",PRVM_NAME);
 641                 return;
 642         }
 643
 644         tempstring[0] = 0;
 645         dpsnprintf(tempstring, sizeof(tempstring), "\n%s EDICT %i:\n", PRVM_NAME, PRVM_NUM_FOR_EDICT(ed));
 646         for (i=1 ; i<prog->progs->numfielddefs ; i++)
 647         {
 648                 d = &prog->fielddefs[i];
 649                 name = PRVM_GetString(d->s_name);
 650                 if (name[strlen(name)-2] == '_')
 651                         continue;       // skip _x, _y, _z vars
 652
 653                 // Check Field Name Wildcard
 654                 if(wildcard_fieldname)
 655                         if( !matchpattern(name, wildcard_fieldname, 1) )
 656                                 // Didn't match; skip
 657                                 continue;
 658
 659                 v = (int *)(ed->fields.vp + d->ofs);
 660
 661         // if the value is still all 0, skip the field
 662                 type = d->type & ~DEF_SAVEGLOBAL;
 663
 664                 for (j=0 ; j<prvm_type_size[type] ; j++)
 665                         if (v[j])
 666                                 break;
 667                 if (j == prvm_type_size[type])
 668                         continue;
 669
 670                 if (strlen(name) > sizeof(tempstring2)-4)
 671                 {
 672                         memcpy (tempstring2, name, sizeof(tempstring2)-4);
 673                         tempstring2[sizeof(tempstring2)-4] = tempstring2[sizeof(tempstring2)-3] = tempstring2[sizeof(tempstring2)-2] = '.';
 674                         tempstring2[sizeof(tempstring2)-1] = 0;
 675                         name = tempstring2;
 676                 }
 677                 strlcat(tempstring, name, sizeof(tempstring));
 678                 for (l = strlen(name);l < 14;l++)
 679                         strlcat(tempstring, " ", sizeof(tempstring));
 680                 strlcat(tempstring, " ", sizeof(tempstring));
 681
 682                 name = PRVM_ValueString((etype_t)d->type, (prvm_eval_t *)v);
 683                 if (strlen(name) > sizeof(tempstring2)-4)
 684                 {
 685                         memcpy (tempstring2, name, sizeof(tempstring2)-4);
 686                         tempstring2[sizeof(tempstring2)-4] = tempstring2[sizeof(tempstring2)-3] = tempstring2[sizeof(tempstring2)-2] = '.';
 687                         tempstring2[sizeof(tempstring2)-1] = 0;
 688                         name = tempstring2;
 689                 }
 690                 strlcat(tempstring, name, sizeof(tempstring));
 691                 strlcat(tempstring, "\n", sizeof(tempstring));
 692                 if (strlen(tempstring) >= sizeof(tempstring)/2)
 693                 {
 694                         Con_Print(tempstring);
 695                         tempstring[0] = 0;
 696                 }
 697         }
 698         if (tempstring[0])
 699                 Con_Print(tempstring);
 700 }
 701
 702 /*
 703 =============
 704 PRVM_ED_Write
 705
 706 For savegames
 707 =============
 708 */
 709 extern cvar_t developer_entityparsing;
 710 void PRVM_ED_Write (qfile_t *f, prvm_edict_t *ed)
 711 {
 712         ddef_t  *d;
 713         int             *v;
 714         int             i, j;
 715         const char      *name;
 716         int             type;
 717
 718         FS_Print(f, "{\n");
 719
 720         if (ed->priv.required->free)
 721         {
 722                 FS_Print(f, "}\n");
 723                 return;
 724         }
 725
 726         for (i=1 ; i<prog->progs->numfielddefs ; i++)
 727         {
 728                 d = &prog->fielddefs[i];
 729                 name = PRVM_GetString(d->s_name);
 730
 731                 if(developer_entityparsing.integer)
 732                         Con_Printf("PRVM_ED_Write: at entity %d field %s\n", PRVM_NUM_FOR_EDICT(ed), name);
 733
 734                 if (name[strlen(name)-2] == '_')
 735                         continue;       // skip _x, _y, _z vars
 736
 737                 v = (int *)(ed->fields.vp + d->ofs);
 738
 739         // if the value is still all 0, skip the field
 740                 type = d->type & ~DEF_SAVEGLOBAL;
 741                 for (j=0 ; j<prvm_type_size[type] ; j++)
 742                         if (v[j])
 743                                 break;
 744                 if (j == prvm_type_size[type])
 745                         continue;
 746
 747                 FS_Printf(f,"\"%s\" ",name);
 748                 prog->statestring = va("PRVM_ED_Write, ent=%d, name=%s", i, name);
 749                 FS_Printf(f,"\"%s\"\n", PRVM_UglyValueString((etype_t)d->type, (prvm_eval_t *)v));
 750                 prog->statestring = NULL;
 751         }
 752
 753         FS_Print(f, "}\n");
 754 }
 755
 756 void PRVM_ED_PrintNum (int ent, const char *wildcard_fieldname)
 757 {
 758         PRVM_ED_Print(PRVM_EDICT_NUM(ent), wildcard_fieldname);
 759 }
 760
 761 /*
 762 =============
 763 PRVM_ED_PrintEdicts_f
 764
 765 For debugging, prints all the entities in the current server
 766 =============
 767 */
 768 void PRVM_ED_PrintEdicts_f (void)
 769 {
 770         int             i;
 771         const char *wildcard_fieldname;
 772
 773         if(Cmd_Argc() < 2 || Cmd_Argc() > 3)
 774         {
 775                 Con_Print("prvm_edicts <program name> <optional field name wildcard>\n");
 776                 return;
 777         }
 778
 779         PRVM_Begin;
 780         if(!PRVM_SetProgFromString(Cmd_Argv(1)))
 781                 return;
 782
 783         if( Cmd_Argc() == 3)
 784                 wildcard_fieldname = Cmd_Argv(2);
 785         else
 786                 wildcard_fieldname = NULL;
 787
 788         Con_Printf("%s: %i entities\n", PRVM_NAME, prog->num_edicts);
 789         for (i=0 ; i<prog->num_edicts ; i++)
 790                 PRVM_ED_PrintNum (i, wildcard_fieldname);
 791
 792         PRVM_End;
 793 }
 794
 795 /*
 796 =============
 797 PRVM_ED_PrintEdict_f
 798
 799 For debugging, prints a single edict
 800 =============
 801 */
 802 void PRVM_ED_PrintEdict_f (void)
 803 {
 804         int             i;
 805         const char      *wildcard_fieldname;
 806
 807         if(Cmd_Argc() < 3 || Cmd_Argc() > 4)
 808         {
 809                 Con_Print("prvm_edict <program name> <edict number> <optional field name wildcard>\n");
 810                 return;
 811         }
 812
 813         PRVM_Begin;
 814         if(!PRVM_SetProgFromString(Cmd_Argv(1)))
 815                 return;
 816
 817         i = atoi (Cmd_Argv(2));
 818         if (i >= prog->num_edicts)
 819         {
 820                 Con_Print("Bad edict number\n");
 821                 PRVM_End;
 822                 return;
 823         }
 824         if( Cmd_Argc() == 4)
 825                 // Optional Wildcard Provided
 826                 wildcard_fieldname = Cmd_Argv(3);
 827         else
 828                 // Use All
 829                 wildcard_fieldname = NULL;
 830         PRVM_ED_PrintNum (i, wildcard_fieldname);
 831
 832         PRVM_End;
 833 }
 834
 835 /*
 836 =============
 837 PRVM_ED_Count
 838
 839 For debugging
 840 =============
 841 */
 842 // 2 possibilities : 1. just displaying the active edict count
 843 //                                       2. making a function pointer [x]
 844 void PRVM_ED_Count_f (void)
 845 {
 846         int             i;
 847         prvm_edict_t    *ent;
 848         int             active;
 849
 850         if(Cmd_Argc() != 2)
 851         {
 852                 Con_Print("prvm_count <program name>\n");
 853                 return;
 854         }
 855
 856         PRVM_Begin;
 857         if(!PRVM_SetProgFromString(Cmd_Argv(1)))
 858                 return;
 859
 860         if(prog->count_edicts)
 861                 prog->count_edicts();
 862         else
 863         {
 864                 active = 0;
 865                 for (i=0 ; i<prog->num_edicts ; i++)
 866                 {
 867                         ent = PRVM_EDICT_NUM(i);
 868                         if (ent->priv.required->free)
 869                                 continue;
 870                         active++;
 871                 }
 872
 873                 Con_Printf("num_edicts:%3i\n", prog->num_edicts);
 874                 Con_Printf("active    :%3i\n", active);
 875         }
 876
 877         PRVM_End;
 878 }
 879
 880 /*
 881 ==============================================================================
 882
 883                                         ARCHIVING GLOBALS
 884
 885 FIXME: need to tag constants, doesn't really work
 886 ==============================================================================
 887 */
 888
 889 /*
 890 =============
 891 PRVM_ED_WriteGlobals
 892 =============
 893 */
 894 void PRVM_ED_WriteGlobals (qfile_t *f)
 895 {
 896         ddef_t          *def;
 897         int                     i;
 898         const char              *name;
 899         int                     type;
 900
 901         FS_Print(f,"{\n");
 902         for (i=0 ; i<prog->progs->numglobaldefs ; i++)
 903         {
 904                 def = &prog->globaldefs[i];
 905                 type = def->type;
 906                 if ( !(def->type & DEF_SAVEGLOBAL) )
 907                         continue;
 908                 type &= ~DEF_SAVEGLOBAL;
 909
 910                 if (type != ev_string && type != ev_float && type != ev_entity)
 911                         continue;
 912
 913                 name = PRVM_GetString(def->s_name);
 914
 915                 if(developer_entityparsing.integer)
 916                         Con_Printf("PRVM_ED_WriteGlobals: at global %s\n", name);
 917
 918                 prog->statestring = va("PRVM_ED_WriteGlobals, name=%s", name);
 919                 FS_Printf(f,"\"%s\" ", name);
 920                 FS_Printf(f,"\"%s\"\n", PRVM_UglyValueString((etype_t)type, (prvm_eval_t *)&prog->globals.generic[def->ofs]));
 921                 prog->statestring = NULL;
 922         }
 923         FS_Print(f,"}\n");
 924 }
 925
 926 /*
 927 =============
 928 PRVM_ED_ParseGlobals
 929 =============
 930 */
 931 void PRVM_ED_ParseGlobals (const char *data)
 932 {
 933         char keyname[MAX_INPUTLINE];
 934         ddef_t *key;
 935
 936         while (1)
 937         {
 938                 // parse key
 939                 if (!COM_ParseToken_Simple(&data, false, false))
 940                         PRVM_ERROR ("PRVM_ED_ParseGlobals: EOF without closing brace");
 941                 if (com_token[0] == '}')
 942                         break;
 943
 944                 if (developer_entityparsing.integer)
 945                         Con_Printf("Key: \"%s\"", com_token);
 946
 947                 strlcpy (keyname, com_token, sizeof(keyname));
 948
 949                 // parse value
 950                 if (!COM_ParseToken_Simple(&data, false, true))
 951                         PRVM_ERROR ("PRVM_ED_ParseGlobals: EOF without closing brace");
 952
 953                 if (developer_entityparsing.integer)
 954                         Con_Printf(" \"%s\"\n", com_token);
 955
 956                 if (com_token[0] == '}')
 957                         PRVM_ERROR ("PRVM_ED_ParseGlobals: closing brace without data");
 958
 959                 key = PRVM_ED_FindGlobal (keyname);
 960                 if (!key)
 961                 {
 962                         Con_DPrintf("'%s' is not a global on %s\n", keyname, PRVM_NAME);
 963                         continue;
 964                 }
 965
 966                 if (!PRVM_ED_ParseEpair(NULL, key, com_token, true))
 967                         PRVM_ERROR ("PRVM_ED_ParseGlobals: parse error");
 968         }
 969 }
 970
 971 //============================================================================
 972
 973
 974 /*
 975 =============
 976 PRVM_ED_ParseEval
 977
 978 Can parse either fields or globals
 979 returns false if error
 980 =============
 981 */
 982 qboolean PRVM_ED_ParseEpair(prvm_edict_t *ent, ddef_t *key, const char *s, qboolean parsebackslash)
 983 {
 984         int i, l;
 985         char *new_p;
 986         ddef_t *def;
 987         prvm_eval_t *val;
 988         mfunction_t *func;
 989
 990         if (ent)
 991                 val = (prvm_eval_t *)(ent->fields.vp + key->ofs);
 992         else
 993                 val = (prvm_eval_t *)(prog->globals.generic + key->ofs);
 994         switch (key->type & ~DEF_SAVEGLOBAL)
 995         {
 996         case ev_string:
 997                 l = (int)strlen(s) + 1;
 998                 val->string = PRVM_AllocString(l, &new_p);
 999                 for (i = 0;i < l;i++)
1000                 {
1001                         if (s[i] == '\\' && s[i+1] && parsebackslash)
1002                         {
1003                                 i++;
1004                                 if (s[i] == 'n')
1005                                         *new_p++ = '\n';
1006                                 else if (s[i] == 'r')
1007                                         *new_p++ = '\r';
1008                                 else
1009                                         *new_p++ = s[i];
1010                         }
1011                         else
1012                                 *new_p++ = s[i];
1013                 }
1014                 break;
1015
1016         case ev_float:
1017                 while (*s && ISWHITESPACE(*s))
1018                         s++;
1019                 val->_float = atof(s);
1020                 break;
1021
1022         case ev_vector:
1023                 for (i = 0;i < 3;i++)
1024                 {
1025                         while (*s && ISWHITESPACE(*s))
1026                                 s++;
1027                         if (!*s)
1028                                 break;
1029                         val->vector[i] = atof(s);
1030                         while (!ISWHITESPACE(*s))
1031                                 s++;
1032                         if (!*s)
1033                                 break;
1034                 }
1035                 break;
1036
1037         case ev_entity:
1038                 while (*s && ISWHITESPACE(*s))
1039                         s++;
1040                 i = atoi(s);
1041                 if (i >= prog->limit_edicts)
1042                         Con_Printf("PRVM_ED_ParseEpair: ev_entity reference too large (edict %u >= MAX_EDICTS %u) on %s\n", (unsigned int)i, prog->limit_edicts, PRVM_NAME);
1043                 while (i >= prog->max_edicts)
1044                         PRVM_MEM_IncreaseEdicts();
1045                 // if IncreaseEdicts was called the base pointer needs to be updated
1046                 if (ent)
1047                         val = (prvm_eval_t *)(ent->fields.vp + key->ofs);
1048                 val->edict = PRVM_EDICT_TO_PROG(PRVM_EDICT_NUM((int)i));
1049                 break;
1050
1051         case ev_field:
1052                 if (*s != '.')
1053                 {
1054                         Con_DPrintf("PRVM_ED_ParseEpair: Bogus field name %s in %s\n", s, PRVM_NAME);
1055                         return false;
1056                 }
1057                 def = PRVM_ED_FindField(s + 1);
1058                 if (!def)
1059                 {
1060                         Con_DPrintf("PRVM_ED_ParseEpair: Can't find field %s in %s\n", s, PRVM_NAME);
1061                         return false;
1062                 }
1063                 val->_int = def->ofs;
1064                 break;
1065
1066         case ev_function:
1067                 func = PRVM_ED_FindFunction(s);
1068                 if (!func)
1069                 {
1070                         Con_Printf("PRVM_ED_ParseEpair: Can't find function %s in %s\n", s, PRVM_NAME);
1071                         return false;
1072                 }
1073                 val->function = func - prog->functions;
1074                 break;
1075
1076         default:
1077                 Con_Printf("PRVM_ED_ParseEpair: Unknown key->type %i for key \"%s\" on %s\n", key->type, PRVM_GetString(key->s_name), PRVM_NAME);
1078                 return false;
1079         }
1080         return true;
1081 }
1082
1083 /*
1084 =============
1085 PRVM_GameCommand_f
1086
1087 Console command to send a string to QC function GameCommand of the
1088 indicated progs
1089
1090 Usage:
1091   sv_cmd adminmsg 3 "do not teamkill"
1092   cl_cmd someclientcommand
1093   menu_cmd somemenucommand
1094
1095 All progs can support this extension; sg calls it in server QC, cg in client
1096 QC, mg in menu QC.
1097 =============
1098 */
1099 void PRVM_GameCommand(const char *whichprogs, const char *whichcmd)
1100 {
1101         if(Cmd_Argc() < 1)
1102         {
1103                 Con_Printf("%s text...\n", whichcmd);
1104                 return;
1105         }
1106
1107         PRVM_Begin;
1108         if(!PRVM_SetProgFromString(whichprogs))
1109         // note: this is not PRVM_SetProg because that one aborts "hard" using PRVM_Error
1110         // also, it makes printing error messages easier!
1111         {
1112                 Con_Printf("%s program not loaded.\n", whichprogs);
1113                 return;
1114         }
1115
1116         if(!prog->funcoffsets.GameCommand)
1117         {
1118                 Con_Printf("%s program do not support GameCommand!\n", whichprogs);
1119         }
1120         else
1121         {
1122                 int restorevm_tempstringsbuf_cursize;
1123                 const char *s;
1124
1125                 s = Cmd_Args();
1126
1127                 restorevm_tempstringsbuf_cursize = vm_tempstringsbuf.cursize;
1128                 PRVM_G_INT(OFS_PARM0) = PRVM_SetTempString(s ? s : "");
1129                 PRVM_ExecuteProgram (prog->funcoffsets.GameCommand, "QC function GameCommand is missing");
1130                 vm_tempstringsbuf.cursize = restorevm_tempstringsbuf_cursize;
1131         }
1132
1133         PRVM_End;
1134 }
1135 void PRVM_GameCommand_Server_f(void)
1136 {
1137         PRVM_GameCommand("server", "sv_cmd");
1138 }
1139 void PRVM_GameCommand_Client_f(void)
1140 {
1141         PRVM_GameCommand("client", "cl_cmd");
1142 }
1143 void PRVM_GameCommand_Menu_f(void)
1144 {
1145         PRVM_GameCommand("menu", "menu_cmd");
1146 }
1147
1148 /*
1149 =============
1150 PRVM_ED_EdictGet_f
1151
1152 Console command to load a field of a specified edict
1153 =============
1154 */
1155 void PRVM_ED_EdictGet_f(void)
1156 {
1157         prvm_edict_t *ed;
1158         ddef_t *key;
1159         const char *s;
1160         prvm_eval_t *v;
1161
1162         if(Cmd_Argc() != 4 && Cmd_Argc() != 5)
1163         {
1164                 Con_Print("prvm_edictget <program name> <edict number> <field> [<cvar>]\n");
1165                 return;
1166         }
1167
1168         PRVM_Begin;
1169         if(!PRVM_SetProgFromString(Cmd_Argv(1)))
1170         {
1171                 Con_Printf("Wrong program name %s !\n", Cmd_Argv(1));
1172                 return;
1173         }
1174
1175         ed = PRVM_EDICT_NUM(atoi(Cmd_Argv(2)));
1176
1177         if((key = PRVM_ED_FindField(Cmd_Argv(3))) == 0)
1178         {
1179                 Con_Printf("Key %s not found !\n", Cmd_Argv(3));
1180                 goto fail;
1181         }
1182
1183         v = (prvm_eval_t *)(ed->fields.vp + key->ofs);
1184         s = PRVM_UglyValueString(key->type, v);
1185         if(Cmd_Argc() == 5)
1186         {
1187                 cvar_t *cvar = Cvar_FindVar(Cmd_Argv(4));
1188                 if (cvar && cvar->flags & CVAR_READONLY)
1189                 {
1190                         Con_Printf("prvm_edictget: %s is read-only\n", cvar->name);
1191                         goto fail;
1192                 }
1193                 Cvar_Get(Cmd_Argv(4), s, 0, NULL);
1194         }
1195         else
1196                 Con_Printf("%s\n", s);
1197
1198 fail:
1199         PRVM_End;
1200 }
1201
1202 void PRVM_ED_GlobalGet_f(void)
1203 {
1204         ddef_t *key;
1205         const char *s;
1206         prvm_eval_t *v;
1207
1208         if(Cmd_Argc() != 3 && Cmd_Argc() != 4)
1209         {
1210                 Con_Print("prvm_globalget <program name> <global> [<cvar>]\n");
1211                 return;
1212         }
1213
1214         PRVM_Begin;
1215         if(!PRVM_SetProgFromString(Cmd_Argv(1)))
1216         {
1217                 Con_Printf("Wrong program name %s !\n", Cmd_Argv(1));
1218                 return;
1219         }
1220
1221         key = PRVM_ED_FindGlobal(Cmd_Argv(2));
1222         if(!key)
1223         {
1224                 Con_Printf( "No global '%s' in %s!\n", Cmd_Argv(2), Cmd_Argv(1) );
1225                 goto fail;
1226         }
1227
1228         v = (prvm_eval_t *) &prog->globals.generic[key->ofs];
1229         s = PRVM_UglyValueString(key->type, v);
1230         if(Cmd_Argc() == 4)
1231         {
1232                 cvar_t *cvar = Cvar_FindVar(Cmd_Argv(3));
1233                 if (cvar && cvar->flags & CVAR_READONLY)
1234                 {
1235                         Con_Printf("prvm_globalget: %s is read-only\n", cvar->name);
1236                         goto fail;
1237                 }
1238                 Cvar_Get(Cmd_Argv(3), s, 0, NULL);
1239         }
1240         else
1241                 Con_Printf("%s\n", s);
1242
1243 fail:
1244         PRVM_End;
1245 }
1246
1247 /*
1248 =============
1249 PRVM_ED_EdictSet_f
1250
1251 Console command to set a field of a specified edict
1252 =============
1253 */
1254 void PRVM_ED_EdictSet_f(void)
1255 {
1256         prvm_edict_t *ed;
1257         ddef_t *key;
1258
1259         if(Cmd_Argc() != 5)
1260         {
1261                 Con_Print("prvm_edictset <program name> <edict number> <field> <value>\n");
1262                 return;
1263         }
1264
1265         PRVM_Begin;
1266         if(!PRVM_SetProgFromString(Cmd_Argv(1)))
1267         {
1268                 Con_Printf("Wrong program name %s !\n", Cmd_Argv(1));
1269                 return;
1270         }
1271
1272         ed = PRVM_EDICT_NUM(atoi(Cmd_Argv(2)));
1273
1274         if((key = PRVM_ED_FindField(Cmd_Argv(3))) == 0)
1275                 Con_Printf("Key %s not found !\n", Cmd_Argv(3));
1276         else
1277                 PRVM_ED_ParseEpair(ed, key, Cmd_Argv(4), true);
1278
1279         PRVM_End;
1280 }
1281
1282 /*
1283 ====================
1284 PRVM_ED_ParseEdict
1285
1286 Parses an edict out of the given string, returning the new position
1287 ed should be a properly initialized empty edict.
1288 Used for initial level load and for savegames.
1289 ====================
1290 */
1291 const char *PRVM_ED_ParseEdict (const char *data, prvm_edict_t *ent)
1292 {
1293         ddef_t *key;
1294         qboolean anglehack;
1295         qboolean init;
1296         char keyname[256];
1297         size_t n;
1298
1299         init = false;
1300
1301 // go through all the dictionary pairs
1302         while (1)
1303         {
1304         // parse key
1305                 if (!COM_ParseToken_Simple(&data, false, false))
1306                         PRVM_ERROR ("PRVM_ED_ParseEdict: EOF without closing brace");
1307                 if (developer_entityparsing.integer)
1308                         Con_Printf("Key: \"%s\"", com_token);
1309                 if (com_token[0] == '}')
1310                         break;
1311
1312                 // anglehack is to allow QuakeEd to write single scalar angles
1313                 // and allow them to be turned into vectors. (FIXME...)
1314                 if (!strcmp(com_token, "angle"))
1315                 {
1316                         strlcpy (com_token, "angles", sizeof(com_token));
1317                         anglehack = true;
1318                 }
1319                 else
1320                         anglehack = false;
1321
1322                 // FIXME: change light to _light to get rid of this hack
1323                 if (!strcmp(com_token, "light"))
1324                         strlcpy (com_token, "light_lev", sizeof(com_token));    // hack for single light def
1325
1326                 strlcpy (keyname, com_token, sizeof(keyname));
1327
1328                 // another hack to fix keynames with trailing spaces
1329                 n = strlen(keyname);
1330                 while (n && keyname[n-1] == ' ')
1331                 {
1332                         keyname[n-1] = 0;
1333                         n--;
1334                 }
1335
1336         // parse value
1337                 if (!COM_ParseToken_Simple(&data, false, false))
1338                         PRVM_ERROR ("PRVM_ED_ParseEdict: EOF without closing brace");
1339                 if (developer_entityparsing.integer)
1340                         Con_Printf(" \"%s\"\n", com_token);
1341
1342                 if (com_token[0] == '}')
1343                         PRVM_ERROR ("PRVM_ED_ParseEdict: closing brace without data");
1344
1345                 init = true;
1346
1347                 // ignore attempts to set key "" (this problem occurs in nehahra neh1m8.bsp)
1348                 if (!keyname[0])
1349                         continue;
1350
1351 // keynames with a leading underscore are used for utility comments,
1352 // and are immediately discarded by quake
1353                 if (keyname[0] == '_')
1354                         continue;
1355
1356                 key = PRVM_ED_FindField (keyname);
1357                 if (!key)
1358                 {
1359                         Con_DPrintf("%s: '%s' is not a field\n", PRVM_NAME, keyname);
1360                         continue;
1361                 }
1362
1363                 if (anglehack)
1364                 {
1365                         char    temp[32];
1366                         strlcpy (temp, com_token, sizeof(temp));
1367                         dpsnprintf (com_token, sizeof(com_token), "0 %s 0", temp);
1368                 }
1369
1370                 if (!PRVM_ED_ParseEpair(ent, key, com_token, strcmp(keyname, "wad") != 0))
1371                         PRVM_ERROR ("PRVM_ED_ParseEdict: parse error");
1372         }
1373
1374         if (!init)
1375                 ent->priv.required->free = true;
1376
1377         return data;
1378 }
1379
1380
1381 /*
1382 ================
1383 PRVM_ED_LoadFromFile
1384
1385 The entities are directly placed in the array, rather than allocated with
1386 PRVM_ED_Alloc, because otherwise an error loading the map would have entity
1387 number references out of order.
1388
1389 Creates a server's entity / program execution context by
1390 parsing textual entity definitions out of an ent file.
1391
1392 Used for both fresh maps and savegame loads.  A fresh map would also need
1393 to call PRVM_ED_CallSpawnFunctions () to let the objects initialize themselves.
1394 ================
1395 */
1396 void PRVM_ED_LoadFromFile (const char *data)
1397 {
1398         prvm_edict_t *ent;
1399         int parsed, inhibited, spawned, died;
1400         const char *funcname;
1401         mfunction_t *func;
1402
1403         parsed = 0;
1404         inhibited = 0;
1405         spawned = 0;
1406         died = 0;
1407
1408         prvm_reuseedicts_always_allow = realtime;
1409
1410 // parse ents
1411         while (1)
1412         {
1413 // parse the opening brace
1414                 if (!COM_ParseToken_Simple(&data, false, false))
1415                         break;
1416                 if (com_token[0] != '{')
1417                         PRVM_ERROR ("PRVM_ED_LoadFromFile: %s: found %s when expecting {", PRVM_NAME, com_token);
1418
1419                 // CHANGED: this is not conform to PR_LoadFromFile
1420                 if(prog->loadintoworld)
1421                 {
1422                         prog->loadintoworld = false;
1423                         ent = PRVM_EDICT_NUM(0);
1424                 }
1425                 else
1426                         ent = PRVM_ED_Alloc();
1427
1428                 // clear it
1429                 if (ent != prog->edicts)        // hack
1430                         memset (ent->fields.vp, 0, prog->progs->entityfields * 4);
1431
1432                 data = PRVM_ED_ParseEdict (data, ent);
1433                 parsed++;
1434
1435                 // remove the entity ?
1436                 if(prog->load_edict && !prog->load_edict(ent))
1437                 {
1438                         PRVM_ED_Free(ent);
1439                         inhibited++;
1440                         continue;
1441                 }
1442
1443                 if (prog->funcoffsets.SV_OnEntityPreSpawnFunction)
1444                 {
1445                         // self = ent
1446                         PRVM_GLOBALFIELDVALUE(prog->globaloffsets.self)->edict = PRVM_EDICT_TO_PROG(ent);
1447                         PRVM_ExecuteProgram (prog->funcoffsets.SV_OnEntityPreSpawnFunction, "QC function SV_OnEntityPreSpawnFunction is missing");
1448                 }
1449
1450                 if(ent->priv.required->free)
1451                 {
1452                         inhibited++;
1453                         continue;
1454                 }
1455
1456 //
1457 // immediately call spawn function, but only if there is a self global and a classname
1458 //
1459                 if(!ent->priv.required->free)
1460                 if(prog->globaloffsets.self >= 0 && prog->fieldoffsets.classname >= 0)
1461                 {
1462                         string_t handle =  PRVM_EDICTFIELDVALUE(ent, prog->fieldoffsets.classname)->string;
1463                         if (!handle)
1464                         {
1465                                 Con_Print("No classname for:\n");
1466                                 PRVM_ED_Print(ent, NULL);
1467                                 PRVM_ED_Free (ent);
1468                                 continue;
1469                         }
1470
1471                         // look for the spawn function
1472                         funcname = PRVM_GetString(handle);
1473                         func = PRVM_ED_FindFunction (va("spawnfunc_%s", funcname));
1474                         if(!func)
1475                                 if(prog->globaloffsets.require_spawnfunc_prefix < 0)
1476                                         func = PRVM_ED_FindFunction (funcname);
1477
1478                         if (!func)
1479                         {
1480                                 // check for OnEntityNoSpawnFunction
1481                                 if (prog->funcoffsets.SV_OnEntityNoSpawnFunction)
1482                                 {
1483                                         // self = ent
1484                                         PRVM_GLOBALFIELDVALUE(prog->globaloffsets.self)->edict = PRVM_EDICT_TO_PROG(ent);
1485                                         PRVM_ExecuteProgram (prog->funcoffsets.SV_OnEntityNoSpawnFunction, "QC function SV_OnEntityNoSpawnFunction is missing");
1486                                 }
1487                                 else
1488                                 {
1489                                         if (developer.integer > 0) // don't confuse non-developers with errors
1490                                         {
1491                                                 Con_Print("No spawn function for:\n");
1492                                                 PRVM_ED_Print(ent, NULL);
1493                                         }
1494                                         PRVM_ED_Free (ent);
1495                                         continue; // not included in "inhibited" count
1496                                 }
1497                         }
1498                         else
1499                         {
1500                                 // self = ent
1501                                 PRVM_GLOBALFIELDVALUE(prog->globaloffsets.self)->edict = PRVM_EDICT_TO_PROG(ent);
1502                                 PRVM_ExecuteProgram (func - prog->functions, "");
1503                         }
1504                 }
1505
1506                 if(!ent->priv.required->free)
1507                 if (prog->funcoffsets.SV_OnEntityPostSpawnFunction)
1508                 {
1509                         // self = ent
1510                         PRVM_GLOBALFIELDVALUE(prog->globaloffsets.self)->edict = PRVM_EDICT_TO_PROG(ent);
1511                         PRVM_ExecuteProgram (prog->funcoffsets.SV_OnEntityPostSpawnFunction, "QC function SV_OnEntityPostSpawnFunction is missing");
1512                 }
1513
1514                 spawned++;
1515                 if (ent->priv.required->free)
1516                         died++;
1517         }
1518
1519         Con_DPrintf("%s: %i new entities parsed, %i new inhibited, %i (%i new) spawned (whereas %i removed self, %i stayed)\n", PRVM_NAME, parsed, inhibited, prog->num_edicts, spawned, died, spawned - died);
1520
1521         prvm_reuseedicts_always_allow = 0;
1522 }
1523
1524 void PRVM_FindOffsets(void)
1525 {
1526         // field and global searches use -1 for NULL
1527         memset(&prog->fieldoffsets, -1, sizeof(prog->fieldoffsets));
1528         memset(&prog->globaloffsets, -1, sizeof(prog->globaloffsets));
1529         // functions use 0 for NULL
1530         memset(&prog->funcoffsets, 0, sizeof(prog->funcoffsets));
1531
1532         // server and client qc use a lot of similar fields, so this is combined
1533         prog->fieldoffsets.SendEntity                     = PRVM_ED_FindFieldOffset("SendEntity");
1534         prog->fieldoffsets.SendFlags                      = PRVM_ED_FindFieldOffset("SendFlags");
1535         prog->fieldoffsets.Version                        = PRVM_ED_FindFieldOffset("Version");
1536         prog->fieldoffsets.alpha                          = PRVM_ED_FindFieldOffset("alpha");
1537         prog->fieldoffsets.ammo_cells1                    = PRVM_ED_FindFieldOffset("ammo_cells1");
1538         prog->fieldoffsets.ammo_lava_nails                = PRVM_ED_FindFieldOffset("ammo_lava_nails");
1539         prog->fieldoffsets.ammo_multi_rockets             = PRVM_ED_FindFieldOffset("ammo_multi_rockets");
1540         prog->fieldoffsets.ammo_nails1                    = PRVM_ED_FindFieldOffset("ammo_nails1");
1541         prog->fieldoffsets.ammo_plasma                    = PRVM_ED_FindFieldOffset("ammo_plasma");
1542         prog->fieldoffsets.ammo_rockets1                  = PRVM_ED_FindFieldOffset("ammo_rockets1");
1543         prog->fieldoffsets.ammo_shells1                   = PRVM_ED_FindFieldOffset("ammo_shells1");
1544         prog->fieldoffsets.angles                         = PRVM_ED_FindFieldOffset("angles");
1545         prog->fieldoffsets.button3                        = PRVM_ED_FindFieldOffset("button3");
1546         prog->fieldoffsets.button4                        = PRVM_ED_FindFieldOffset("button4");
1547         prog->fieldoffsets.button5                        = PRVM_ED_FindFieldOffset("button5");
1548         prog->fieldoffsets.button6                        = PRVM_ED_FindFieldOffset("button6");
1549         prog->fieldoffsets.button7                        = PRVM_ED_FindFieldOffset("button7");
1550         prog->fieldoffsets.button8                        = PRVM_ED_FindFieldOffset("button8");
1551         prog->fieldoffsets.button9                        = PRVM_ED_FindFieldOffset("button9");
1552         prog->fieldoffsets.button10                       = PRVM_ED_FindFieldOffset("button10");
1553         prog->fieldoffsets.button11                       = PRVM_ED_FindFieldOffset("button11");
1554         prog->fieldoffsets.button12                       = PRVM_ED_FindFieldOffset("button12");
1555         prog->fieldoffsets.button13                       = PRVM_ED_FindFieldOffset("button13");
1556         prog->fieldoffsets.button14                       = PRVM_ED_FindFieldOffset("button14");
1557         prog->fieldoffsets.button15                       = PRVM_ED_FindFieldOffset("button15");
1558         prog->fieldoffsets.button16                       = PRVM_ED_FindFieldOffset("button16");
1559         prog->fieldoffsets.buttonchat                     = PRVM_ED_FindFieldOffset("buttonchat");
1560         prog->fieldoffsets.buttonuse                      = PRVM_ED_FindFieldOffset("buttonuse");
1561         prog->fieldoffsets.chain                          = PRVM_ED_FindFieldOffset("chain");
1562         prog->fieldoffsets.classname                      = PRVM_ED_FindFieldOffset("classname");
1563         prog->fieldoffsets.clientcamera                   = PRVM_ED_FindFieldOffset("clientcamera");
1564         prog->fieldoffsets.clientcolors                   = PRVM_ED_FindFieldOffset("clientcolors");
1565         prog->fieldoffsets.clientstatus                   = PRVM_ED_FindFieldOffset("clientstatus");
1566         prog->fieldoffsets.color                          = PRVM_ED_FindFieldOffset("color");
1567         prog->fieldoffsets.colormod                       = PRVM_ED_FindFieldOffset("colormod");
1568         prog->fieldoffsets.contentstransition             = PRVM_ED_FindFieldOffset("contentstransition");
1569         prog->fieldoffsets.cursor_active                  = PRVM_ED_FindFieldOffset("cursor_active");
1570         prog->fieldoffsets.cursor_screen                  = PRVM_ED_FindFieldOffset("cursor_screen");
1571         prog->fieldoffsets.cursor_trace_endpos            = PRVM_ED_FindFieldOffset("cursor_trace_endpos");
1572         prog->fieldoffsets.cursor_trace_ent               = PRVM_ED_FindFieldOffset("cursor_trace_ent");
1573         prog->fieldoffsets.cursor_trace_start             = PRVM_ED_FindFieldOffset("cursor_trace_start");
1574         prog->fieldoffsets.customizeentityforclient       = PRVM_ED_FindFieldOffset("customizeentityforclient");
1575         prog->fieldoffsets.dimension_hit                  = PRVM_ED_FindFieldOffset("dimension_hit");
1576         prog->fieldoffsets.dimension_solid                = PRVM_ED_FindFieldOffset("dimension_solid");
1577         prog->fieldoffsets.disableclientprediction        = PRVM_ED_FindFieldOffset("disableclientprediction");
1578         prog->fieldoffsets.discardabledemo                = PRVM_ED_FindFieldOffset("discardabledemo");
1579         prog->fieldoffsets.dphitcontentsmask              = PRVM_ED_FindFieldOffset("dphitcontentsmask");
1580         prog->fieldoffsets.drawonlytoclient               = PRVM_ED_FindFieldOffset("drawonlytoclient");
1581         prog->fieldoffsets.exteriormodeltoclient          = PRVM_ED_FindFieldOffset("exteriormodeltoclient");
1582         prog->fieldoffsets.fatness                        = PRVM_ED_FindFieldOffset("fatness");
1583         prog->fieldoffsets.forceshader                    = PRVM_ED_FindFieldOffset("forceshader");
1584         prog->fieldoffsets.frame                          = PRVM_ED_FindFieldOffset("frame");
1585         prog->fieldoffsets.frame1time                     = PRVM_ED_FindFieldOffset("frame1time");
1586         prog->fieldoffsets.frame2                         = PRVM_ED_FindFieldOffset("frame2");
1587         prog->fieldoffsets.frame2time                     = PRVM_ED_FindFieldOffset("frame2time");
1588         prog->fieldoffsets.frame3                         = PRVM_ED_FindFieldOffset("frame3");
1589         prog->fieldoffsets.frame3time                     = PRVM_ED_FindFieldOffset("frame3time");
1590         prog->fieldoffsets.frame4                         = PRVM_ED_FindFieldOffset("frame4");
1591         prog->fieldoffsets.frame4time                     = PRVM_ED_FindFieldOffset("frame4time");
1592         prog->fieldoffsets.fullbright                     = PRVM_ED_FindFieldOffset("fullbright");
1593         prog->fieldoffsets.glow_color                     = PRVM_ED_FindFieldOffset("glow_color");
1594         prog->fieldoffsets.glow_size                      = PRVM_ED_FindFieldOffset("glow_size");
1595         prog->fieldoffsets.glow_trail                     = PRVM_ED_FindFieldOffset("glow_trail");
1596         prog->fieldoffsets.glowmod                        = PRVM_ED_FindFieldOffset("glowmod");
1597         prog->fieldoffsets.gravity                        = PRVM_ED_FindFieldOffset("gravity");
1598         prog->fieldoffsets.groundentity                   = PRVM_ED_FindFieldOffset("groundentity");
1599         prog->fieldoffsets.hull                           = PRVM_ED_FindFieldOffset("hull");
1600         prog->fieldoffsets.ideal_yaw                      = PRVM_ED_FindFieldOffset("ideal_yaw");
1601         prog->fieldoffsets.idealpitch                     = PRVM_ED_FindFieldOffset("idealpitch");
1602         prog->fieldoffsets.items2                         = PRVM_ED_FindFieldOffset("items2");
1603         prog->fieldoffsets.lerpfrac                       = PRVM_ED_FindFieldOffset("lerpfrac");
1604         prog->fieldoffsets.lerpfrac3                      = PRVM_ED_FindFieldOffset("lerpfrac3");
1605         prog->fieldoffsets.lerpfrac4                      = PRVM_ED_FindFieldOffset("lerpfrac4");
1606         prog->fieldoffsets.light_lev                      = PRVM_ED_FindFieldOffset("light_lev");
1607         prog->fieldoffsets.message                        = PRVM_ED_FindFieldOffset("message");
1608         prog->fieldoffsets.modelflags                     = PRVM_ED_FindFieldOffset("modelflags");
1609         prog->fieldoffsets.movement                       = PRVM_ED_FindFieldOffset("movement");
1610         prog->fieldoffsets.movetypesteplandevent          = PRVM_ED_FindFieldOffset("movetypesteplandevent");
1611         prog->fieldoffsets.netaddress                     = PRVM_ED_FindFieldOffset("netaddress");
1612         prog->fieldoffsets.nextthink                      = PRVM_ED_FindFieldOffset("nextthink");
1613         prog->fieldoffsets.nodrawtoclient                 = PRVM_ED_FindFieldOffset("nodrawtoclient");
1614         prog->fieldoffsets.pflags                         = PRVM_ED_FindFieldOffset("pflags");
1615         prog->fieldoffsets.ping                           = PRVM_ED_FindFieldOffset("ping");
1616         prog->fieldoffsets.packetloss                     = PRVM_ED_FindFieldOffset("ping_packetloss");
1617         prog->fieldoffsets.movementloss                   = PRVM_ED_FindFieldOffset("ping_movementloss");
1618         prog->fieldoffsets.pitch_speed                    = PRVM_ED_FindFieldOffset("pitch_speed");
1619         prog->fieldoffsets.playermodel                    = PRVM_ED_FindFieldOffset("playermodel");
1620         prog->fieldoffsets.playerskin                     = PRVM_ED_FindFieldOffset("playerskin");
1621         prog->fieldoffsets.pmodel                         = PRVM_ED_FindFieldOffset("pmodel");
1622         prog->fieldoffsets.punchvector                    = PRVM_ED_FindFieldOffset("punchvector");
1623         prog->fieldoffsets.renderamt                      = PRVM_ED_FindFieldOffset("renderamt"); // HalfLife support
1624         prog->fieldoffsets.renderflags                    = PRVM_ED_FindFieldOffset("renderflags");
1625         prog->fieldoffsets.rendermode                     = PRVM_ED_FindFieldOffset("rendermode"); // HalfLife support
1626         prog->fieldoffsets.scale                          = PRVM_ED_FindFieldOffset("scale");
1627         prog->fieldoffsets.shadertime                     = PRVM_ED_FindFieldOffset("shadertime");
1628         prog->fieldoffsets.skeletonindex                  = PRVM_ED_FindFieldOffset("skeletonindex");
1629         prog->fieldoffsets.style                          = PRVM_ED_FindFieldOffset("style");
1630         prog->fieldoffsets.tag_entity                     = PRVM_ED_FindFieldOffset("tag_entity");
1631         prog->fieldoffsets.tag_index                      = PRVM_ED_FindFieldOffset("tag_index");
1632         prog->fieldoffsets.think                          = PRVM_ED_FindFieldOffset("think");
1633         prog->fieldoffsets.viewmodelforclient             = PRVM_ED_FindFieldOffset("viewmodelforclient");
1634         prog->fieldoffsets.viewzoom                       = PRVM_ED_FindFieldOffset("viewzoom");
1635         prog->fieldoffsets.yaw_speed                      = PRVM_ED_FindFieldOffset("yaw_speed");
1636         prog->fieldoffsets.bouncefactor                   = PRVM_ED_FindFieldOffset("bouncefactor");
1637         prog->fieldoffsets.bouncestop                     = PRVM_ED_FindFieldOffset("bouncestop");
1638
1639         prog->fieldoffsets.solid                          = PRVM_ED_FindFieldOffset("solid");
1640         prog->fieldoffsets.movetype                       = PRVM_ED_FindFieldOffset("movetype");
1641         prog->fieldoffsets.modelindex                     = PRVM_ED_FindFieldOffset("modelindex");
1642         prog->fieldoffsets.mins                           = PRVM_ED_FindFieldOffset("mins");
1643         prog->fieldoffsets.maxs                           = PRVM_ED_FindFieldOffset("maxs");
1644         prog->fieldoffsets.mass                           = PRVM_ED_FindFieldOffset("mass");
1645         prog->fieldoffsets.origin                         = PRVM_ED_FindFieldOffset("origin");
1646         prog->fieldoffsets.velocity                       = PRVM_ED_FindFieldOffset("velocity");
1647         //prog->fieldoffsets.axis_forward                   = PRVM_ED_FindFieldOffset("axis_forward");
1648         //prog->fieldoffsets.axis_left                      = PRVM_ED_FindFieldOffset("axis_left");
1649         //prog->fieldoffsets.axis_up                        = PRVM_ED_FindFieldOffset("axis_up");
1650         //prog->fieldoffsets.spinvelocity                   = PRVM_ED_FindFieldOffset("spinvelocity");
1651         prog->fieldoffsets.angles                         = PRVM_ED_FindFieldOffset("angles");
1652         prog->fieldoffsets.avelocity                      = PRVM_ED_FindFieldOffset("avelocity");
1653         prog->fieldoffsets.aiment                         = PRVM_ED_FindFieldOffset("aiment");
1654         prog->fieldoffsets.enemy                          = PRVM_ED_FindFieldOffset("enemy");
1655         prog->fieldoffsets.jointtype                      = PRVM_ED_FindFieldOffset("jointtype");
1656         prog->fieldoffsets.movedir                        = PRVM_ED_FindFieldOffset("movedir");
1657
1658         prog->fieldoffsets.camera_transform               = PRVM_ED_FindFieldOffset("camera_transform");
1659
1660         prog->funcoffsets.CSQC_ConsoleCommand             = PRVM_ED_FindFunctionOffset("CSQC_ConsoleCommand");
1661         prog->funcoffsets.CSQC_Ent_Remove                 = PRVM_ED_FindFunctionOffset("CSQC_Ent_Remove");
1662         prog->funcoffsets.CSQC_Ent_Spawn                  = PRVM_ED_FindFunctionOffset("CSQC_Ent_Spawn");
1663         prog->funcoffsets.CSQC_Ent_Update                 = PRVM_ED_FindFunctionOffset("CSQC_Ent_Update");
1664         prog->funcoffsets.CSQC_Event                      = PRVM_ED_FindFunctionOffset("CSQC_Event");
1665         prog->funcoffsets.CSQC_Event_Sound                = PRVM_ED_FindFunctionOffset("CSQC_Event_Sound");
1666         prog->funcoffsets.CSQC_Init                       = PRVM_ED_FindFunctionOffset("CSQC_Init");
1667         prog->funcoffsets.CSQC_InputEvent                 = PRVM_ED_FindFunctionOffset("CSQC_InputEvent");
1668         prog->funcoffsets.CSQC_Parse_CenterPrint          = PRVM_ED_FindFunctionOffset("CSQC_Parse_CenterPrint");
1669         prog->funcoffsets.CSQC_Parse_Print                = PRVM_ED_FindFunctionOffset("CSQC_Parse_Print");
1670         prog->funcoffsets.CSQC_Parse_StuffCmd             = PRVM_ED_FindFunctionOffset("CSQC_Parse_StuffCmd");
1671         prog->funcoffsets.CSQC_Parse_TempEntity           = PRVM_ED_FindFunctionOffset("CSQC_Parse_TempEntity");
1672         prog->funcoffsets.CSQC_Shutdown                   = PRVM_ED_FindFunctionOffset("CSQC_Shutdown");
1673         prog->funcoffsets.CSQC_UpdateView                 = PRVM_ED_FindFunctionOffset("CSQC_UpdateView");
1674         prog->funcoffsets.EndFrame                        = PRVM_ED_FindFunctionOffset("EndFrame");
1675         prog->funcoffsets.GameCommand                     = PRVM_ED_FindFunctionOffset("GameCommand");
1676         prog->funcoffsets.Gecko_Query                     = PRVM_ED_FindFunctionOffset("Gecko_Query");
1677         prog->funcoffsets.RestoreGame                     = PRVM_ED_FindFunctionOffset("RestoreGame");
1678         prog->funcoffsets.SV_ChangeTeam                   = PRVM_ED_FindFunctionOffset("SV_ChangeTeam");
1679         prog->funcoffsets.SV_OnEntityNoSpawnFunction      = PRVM_ED_FindFunctionOffset("SV_OnEntityNoSpawnFunction");
1680         prog->funcoffsets.SV_OnEntityPostSpawnFunction    = PRVM_ED_FindFunctionOffset("SV_OnEntityPostSpawnFunction");
1681         prog->funcoffsets.SV_OnEntityPreSpawnFunction     = PRVM_ED_FindFunctionOffset("SV_OnEntityPreSpawnFunction");
1682         prog->funcoffsets.SV_ParseClientCommand           = PRVM_ED_FindFunctionOffset("SV_ParseClientCommand");
1683         prog->funcoffsets.SV_PausedTic                    = PRVM_ED_FindFunctionOffset("SV_PausedTic");
1684         prog->funcoffsets.SV_PlayerPhysics                = PRVM_ED_FindFunctionOffset("SV_PlayerPhysics");
1685         prog->funcoffsets.SV_Shutdown                     = PRVM_ED_FindFunctionOffset("SV_Shutdown");
1686         prog->funcoffsets.URI_Get_Callback                = PRVM_ED_FindFunctionOffset("URI_Get_Callback");
1687         prog->globaloffsets.SV_InitCmd                    = PRVM_ED_FindGlobalOffset("SV_InitCmd");
1688         prog->globaloffsets.coop                          = PRVM_ED_FindGlobalOffset("coop");
1689         prog->globaloffsets.deathmatch                    = PRVM_ED_FindGlobalOffset("deathmatch");
1690         prog->globaloffsets.dmg_origin                    = PRVM_ED_FindGlobalOffset("dmg_origin");
1691         prog->globaloffsets.dmg_save                      = PRVM_ED_FindGlobalOffset("dmg_save");
1692         prog->globaloffsets.dmg_take                      = PRVM_ED_FindGlobalOffset("dmg_take");
1693         prog->globaloffsets.drawfont                      = PRVM_ED_FindGlobalOffset("drawfont");
1694         prog->globaloffsets.drawfontscale                 = PRVM_ED_FindGlobalOffset("drawfontscale");
1695         prog->globaloffsets.gettaginfo_forward            = PRVM_ED_FindGlobalOffset("gettaginfo_forward");
1696         prog->globaloffsets.gettaginfo_name               = PRVM_ED_FindGlobalOffset("gettaginfo_name");
1697         prog->globaloffsets.gettaginfo_offset             = PRVM_ED_FindGlobalOffset("gettaginfo_offset");
1698         prog->globaloffsets.gettaginfo_parent             = PRVM_ED_FindGlobalOffset("gettaginfo_parent");
1699         prog->globaloffsets.gettaginfo_right              = PRVM_ED_FindGlobalOffset("gettaginfo_right");
1700         prog->globaloffsets.gettaginfo_up                 = PRVM_ED_FindGlobalOffset("gettaginfo_up");
1701         prog->globaloffsets.transparent_offset            = PRVM_ED_FindGlobalOffset("transparent_offset");
1702         prog->globaloffsets.intermission                  = PRVM_ED_FindGlobalOffset("intermission");
1703         prog->globaloffsets.require_spawnfunc_prefix      = PRVM_ED_FindGlobalOffset("require_spawnfunc_prefix");
1704         prog->globaloffsets.sb_showscores                 = PRVM_ED_FindGlobalOffset("sb_showscores");
1705         prog->globaloffsets.self                          = PRVM_ED_FindGlobalOffset("self");
1706         prog->globaloffsets.serverdeltatime               = PRVM_ED_FindGlobalOffset("serverdeltatime");
1707         prog->globaloffsets.serverprevtime                = PRVM_ED_FindGlobalOffset("serverprevtime");
1708         prog->globaloffsets.servertime                    = PRVM_ED_FindGlobalOffset("servertime");
1709         prog->globaloffsets.time                          = PRVM_ED_FindGlobalOffset("time");
1710         prog->globaloffsets.trace_allsolid                = PRVM_ED_FindGlobalOffset("trace_allsolid");
1711         prog->globaloffsets.trace_dphitcontents           = PRVM_ED_FindGlobalOffset("trace_dphitcontents");
1712         prog->globaloffsets.trace_dphitq3surfaceflags     = PRVM_ED_FindGlobalOffset("trace_dphitq3surfaceflags");
1713         prog->globaloffsets.trace_dphittexturename        = PRVM_ED_FindGlobalOffset("trace_dphittexturename");
1714         prog->globaloffsets.trace_dpstartcontents         = PRVM_ED_FindGlobalOffset("trace_dpstartcontents");
1715         prog->globaloffsets.trace_endpos                  = PRVM_ED_FindGlobalOffset("trace_endpos");
1716         prog->globaloffsets.trace_ent                     = PRVM_ED_FindGlobalOffset("trace_ent");
1717         prog->globaloffsets.trace_fraction                = PRVM_ED_FindGlobalOffset("trace_fraction");
1718         prog->globaloffsets.trace_inopen                  = PRVM_ED_FindGlobalOffset("trace_inopen");
1719         prog->globaloffsets.trace_inwater                 = PRVM_ED_FindGlobalOffset("trace_inwater");
1720         prog->globaloffsets.trace_networkentity           = PRVM_ED_FindGlobalOffset("trace_networkentity");
1721         prog->globaloffsets.trace_plane_dist              = PRVM_ED_FindGlobalOffset("trace_plane_dist");
1722         prog->globaloffsets.trace_plane_normal            = PRVM_ED_FindGlobalOffset("trace_plane_normal");
1723         prog->globaloffsets.trace_startsolid              = PRVM_ED_FindGlobalOffset("trace_startsolid");
1724         prog->globaloffsets.v_forward                     = PRVM_ED_FindGlobalOffset("v_forward");
1725         prog->globaloffsets.v_right                       = PRVM_ED_FindGlobalOffset("v_right");
1726         prog->globaloffsets.v_up                          = PRVM_ED_FindGlobalOffset("v_up");
1727         prog->globaloffsets.view_angles                   = PRVM_ED_FindGlobalOffset("view_angles");
1728         prog->globaloffsets.worldstatus                   = PRVM_ED_FindGlobalOffset("worldstatus");
1729
1730         // menu qc only uses some functions, nothing else
1731         prog->funcoffsets.m_draw                          = PRVM_ED_FindFunctionOffset("m_draw");
1732         prog->funcoffsets.m_init                          = PRVM_ED_FindFunctionOffset("m_init");
1733         prog->funcoffsets.m_keydown                       = PRVM_ED_FindFunctionOffset("m_keydown");
1734         prog->funcoffsets.m_keyup                         = PRVM_ED_FindFunctionOffset("m_keyup");
1735         prog->funcoffsets.m_shutdown                      = PRVM_ED_FindFunctionOffset("m_shutdown");
1736         prog->funcoffsets.m_toggle                        = PRVM_ED_FindFunctionOffset("m_toggle");
1737 }
1738
1739 // not used
1740 /*
1741 typedef struct dpfield_s
1742 {
1743         int type;
1744         char *string;
1745 }
1746 dpfield_t;
1747
1748 #define DPFIELDS (sizeof(dpfields) / sizeof(dpfield_t))
1749
1750 dpfield_t dpfields[] =
1751 {
1752 };
1753 */
1754
1755 /*
1756 ===============
1757 PRVM_ResetProg
1758 ===============
1759 */
1760
1761 #define PO_HASHSIZE 16384
1762 typedef struct po_string_s
1763 {
1764         char *key, *value;
1765         struct po_string_s *nextonhashchain;
1766 }
1767 po_string_t;
1768 typedef struct po_s
1769 {
1770         po_string_t *hashtable[PO_HASHSIZE];
1771 }
1772 po_t;
1773 void PRVM_PO_UnparseString(char *out, const char *in, size_t outsize)
1774 {
1775         for(;;)
1776         {
1777                 switch(*in)
1778                 {
1779                         case 0:
1780                                 *out++ = 0;
1781                                 return;
1782                         case '\a': if(outsize >= 2) { *out++ = '\\'; *out++ = 'a'; outsize -= 2; } break;
1783                         case '\b': if(outsize >= 2) { *out++ = '\\'; *out++ = 'b'; outsize -= 2; } break;
1784                         case '\t': if(outsize >= 2) { *out++ = '\\'; *out++ = 't'; outsize -= 2; } break;
1785                         case '\r': if(outsize >= 2) { *out++ = '\\'; *out++ = 'r'; outsize -= 2; } break;
1786                         case '\n': if(outsize >= 2) { *out++ = '\\'; *out++ = 'n'; outsize -= 2; } break;
1787                         case '\\': if(outsize >= 2) { *out++ = '\\'; *out++ = '\\'; outsize -= 2; } break;
1788                         case '"': if(outsize >= 2) { *out++ = '\\'; *out++ = '"'; outsize -= 2; } break;
1789                         default:
1790                                 if(*in >= 0 && *in <= 0x1F)
1791                                 {
1792                                         if(outsize >= 4)
1793                                         {
1794                                                 *out++ = '\\';
1795                                                 *out++ = '0' + ((*in & 0700) >> 6);
1796                                                 *out++ = '0' + ((*in & 0070) >> 3);
1797                                                 *out++ = '0' + ((*in & 0007));
1798                                                 outsize -= 4;
1799                                         }
1800                                 }
1801                                 else
1802                                 {
1803                                         if(outsize >= 1)
1804                                         {
1805                                                 *out++ = *in;
1806                                                 outsize -= 1;
1807                                         }
1808                                 }
1809                                 break;
1810                 }
1811                 ++in;
1812         }
1813 }
1814 void PRVM_PO_ParseString(char *out, const char *in, size_t outsize)
1815 {
1816         for(;;)
1817         {
1818                 switch(*in)
1819                 {
1820                         case 0:
1821                                 *out++ = 0;
1822                                 return;
1823                         case '\\':
1824                                 ++in;
1825                                 switch(*in)
1826                                 {
1827                                         case 'a': if(outsize > 0) { *out++ = '\a'; --outsize; } break;
1828                                         case 'b': if(outsize > 0) { *out++ = '\b'; --outsize; } break;
1829                                         case 't': if(outsize > 0) { *out++ = '\t'; --outsize; } break;
1830                                         case 'r': if(outsize > 0) { *out++ = '\r'; --outsize; } break;
1831                                         case 'n': if(outsize > 0) { *out++ = '\n'; --outsize; } break;
1832                                         case '\\': if(outsize > 0) { *out++ = '\\'; --outsize; } break;
1833                                         case '"': if(outsize > 0) { *out++ = '"'; --outsize; } break;
1834                                         case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7':
1835                                                 if(outsize > 0)
1836                                                         *out = *in - '0';
1837                                                 ++in;
1838                                                 if(*in >= '0' && *in <= '7')
1839                                                 {
1840                                                         if(outsize > 0)
1841                                                                 *out = (*out << 3) | (*in - '0');
1842                                                         ++in;
1843                                                 }
1844                                                 if(*in >= '0' && *in <= '7')
1845                                                 {
1846                                                         if(outsize > 0)
1847                                                                 *out = (*out << 3) | (*in - '0');
1848                                                         ++in;
1849                                                 }
1850                                                 --in;
1851                                                 if(outsize > 0)
1852                                                 {
1853                                                         ++out;
1854                                                         --outsize;
1855                                                 }
1856                                                 break;
1857                                         default:
1858                                                 if(outsize > 0) { *out++ = *in; --outsize; }
1859                                                 break;
1860                                 }
1861                                 break;
1862                         default:
1863                                 if(outsize > 0)
1864                                 {
1865                                         *out++ = *in;
1866                                         --outsize;
1867                                 }
1868                                 break;
1869                 }
1870                 ++in;
1871         }
1872 }
1873 po_t *PRVM_PO_Load(const char *filename, mempool_t *pool)
1874 {
1875         po_t *po;
1876         const char *p, *q;
1877         int mode;
1878         char inbuf[MAX_INPUTLINE];
1879         char decodedbuf[MAX_INPUTLINE];
1880         size_t decodedpos;
1881         int hashindex;
1882         po_string_t thisstr;
1883         const char *buf = (const char *) FS_LoadFile(filename, pool, true, NULL);
1884
1885         if(!buf)
1886                 return NULL;
1887
1888         po = Mem_Alloc(pool, sizeof(*po));
1889         memset(po, 0, sizeof(*po));
1890
1891         p = buf;
1892         while(*p)
1893         {
1894                 if(*p == '#')
1895                 {
1896                         // skip to newline
1897                         p = strchr(p, '\n');
1898                         if(!p)
1899                                 break;
1900                         ++p;
1901                         continue;
1902                 }
1903                 if(*p == '\r' || *p == '\n')
1904                 {
1905                         ++p;
1906                         continue;
1907                 }
1908                 if(!strncmp(p, "msgid \"", 7))
1909                 {
1910                         mode = 0;
1911                         p += 6;
1912                 }
1913                 else if(!strncmp(p, "msgstr \"", 8))
1914                 {
1915                         mode = 1;
1916                         p += 7;
1917                 }
1918                 else
1919                 {
1920                         p = strchr(p, '\n');
1921                         if(!p)
1922                                 break;
1923                         ++p;
1924                         continue;
1925                 }
1926                 decodedpos = 0;
1927                 while(*p == '"')
1928                 {
1929                         ++p;
1930                         q = strchr(p, '\n');
1931                         if(!q)
1932                                 break;
1933                         if(*(q-1) == '\r')
1934                                 --q;
1935                         if(*(q-1) != '"')
1936                                 break;
1937                         if((size_t)(q - p) >= (size_t) sizeof(inbuf))
1938                                 break;
1939                         strlcpy(inbuf, p, q - p); // not - 1, because this adds a NUL
1940                         PRVM_PO_ParseString(decodedbuf + decodedpos, inbuf, sizeof(decodedbuf) - decodedpos);
1941                         decodedpos += strlen(decodedbuf + decodedpos);
1942                         if(*q == '\r')
1943                                 ++q;
1944                         if(*q == '\n')
1945                                 ++q;
1946                         p = q;
1947                 }
1948                 if(mode == 0)
1949                 {
1950                         if(thisstr.key)
1951                                 Mem_Free(thisstr.key);
1952                         thisstr.key = Mem_Alloc(pool, decodedpos + 1);
1953                         memcpy(thisstr.key, decodedbuf, decodedpos + 1);
1954                 }
1955                 else if(decodedpos > 0 && thisstr.key) // skip empty translation results
1956                 {
1957                         thisstr.value = Mem_Alloc(pool, decodedpos + 1);
1958                         memcpy(thisstr.value, decodedbuf, decodedpos + 1);
1959                         hashindex = CRC_Block((const unsigned char *) thisstr.key, strlen(thisstr.key)) % PO_HASHSIZE;
1960                         thisstr.nextonhashchain = po->hashtable[hashindex];
1961                         po->hashtable[hashindex] = Mem_Alloc(pool, sizeof(thisstr));
1962                         memcpy(po->hashtable[hashindex], &thisstr, sizeof(thisstr));
1963                         memset(&thisstr, 0, sizeof(thisstr));
1964                 }
1965         }
1966
1967         Mem_Free((char *) buf);
1968         return po;
1969 }
1970 const char *PRVM_PO_Lookup(po_t *po, const char *str)
1971 {
1972         int hashindex = CRC_Block((const unsigned char *) str, strlen(str)) % PO_HASHSIZE;
1973         po_string_t *p = po->hashtable[hashindex];
1974         while(p)
1975         {
1976                 if(!strcmp(str, p->key))
1977                         return p->value;
1978                 p = p->nextonhashchain;
1979         }
1980         return NULL;
1981 }
1982 void PRVM_PO_Destroy(po_t *po)
1983 {
1984         int i;
1985         for(i = 0; i < PO_HASHSIZE; ++i)
1986         {
1987                 po_string_t *p = po->hashtable[i];
1988                 while(p)
1989                 {
1990                         po_string_t *q = p;
1991                         p = p->nextonhashchain;
1992                         Mem_Free(q->key);
1993                         Mem_Free(q->value);
1994                         Mem_Free(q);
1995                 }
1996         }
1997         Mem_Free(po);
1998 }
1999
2000 void PRVM_LeakTest(void);
2001 void PRVM_ResetProg(void)
2002 {
2003         PRVM_LeakTest();
2004         PRVM_GCALL(reset_cmd)();
2005         Mem_FreePool(&prog->progs_mempool);
2006         if(prog->po)
2007                 PRVM_PO_Destroy((po_t *) prog->po);
2008         memset(prog,0,sizeof(prvm_prog_t));
2009         prog->starttime = Sys_DoubleTime();
2010 }
2011
2012 /*
2013 ===============
2014 PRVM_LoadLNO
2015 ===============
2016 */
2017 void PRVM_LoadLNO( const char *progname ) {
2018         fs_offset_t filesize;
2019         unsigned char *lno;
2020         unsigned int *header;
2021         char filename[512];
2022
2023         FS_StripExtension( progname, filename, sizeof( filename ) );
2024         strlcat( filename, ".lno", sizeof( filename ) );
2025
2026         lno = FS_LoadFile( filename, tempmempool, false, &filesize );
2027         if( !lno ) {
2028                 return;
2029         }
2030
2031 /*
2032 <Spike>    SafeWrite (h, &lnotype, sizeof(int));
2033 <Spike>    SafeWrite (h, &version, sizeof(int));
2034 <Spike>    SafeWrite (h, &numglobaldefs, sizeof(int));
2035 <Spike>    SafeWrite (h, &numpr_globals, sizeof(int));
2036 <Spike>    SafeWrite (h, &numfielddefs, sizeof(int));
2037 <Spike>    SafeWrite (h, &numstatements, sizeof(int));
2038 <Spike>    SafeWrite (h, statement_linenums, numstatements*sizeof(int));
2039 */
2040         if( (unsigned) filesize < (6 + prog->progs->numstatements) * sizeof( int ) ) {
2041                 Mem_Free(lno);
2042                 return;
2043         }
2044
2045         header = (unsigned int *) lno;
2046         if( header[ 0 ] == *(unsigned int *) "LNOF" &&
2047                 LittleLong( header[ 1 ] ) == 1 &&
2048                 (unsigned int)LittleLong( header[ 2 ] ) == (unsigned int)prog->progs->numglobaldefs &&
2049                 (unsigned int)LittleLong( header[ 3 ] ) == (unsigned int)prog->progs->numglobals &&
2050                 (unsigned int)LittleLong( header[ 4 ] ) == (unsigned int)prog->progs->numfielddefs &&
2051                 (unsigned int)LittleLong( header[ 5 ] ) == (unsigned int)prog->progs->numstatements )
2052         {
2053                 prog->statement_linenums = (int *)Mem_Alloc(prog->progs_mempool, prog->progs->numstatements * sizeof( int ) );
2054                 memcpy( prog->statement_linenums, (int *) lno + 6, prog->progs->numstatements * sizeof( int ) );
2055         }
2056         Mem_Free( lno );
2057 }
2058
2059 /*
2060 ===============
2061 PRVM_LoadProgs
2062 ===============
2063 */
2064 void PRVM_LoadProgs (const char * filename, int numrequiredfunc, char **required_func, int numrequiredfields, prvm_required_field_t *required_field, int numrequiredglobals, char **required_global)
2065 {
2066         int i;
2067         dstatement_t *st;
2068         ddef_t *infielddefs;
2069         dfunction_t *dfunctions;
2070         fs_offset_t filesize;
2071
2072         if( prog->loaded ) {
2073                 PRVM_ERROR ("PRVM_LoadProgs: there is already a %s program loaded!", PRVM_NAME );
2074         }
2075
2076         prog->progs = (dprograms_t *)FS_LoadFile (filename, prog->progs_mempool, false, &filesize);
2077         if (prog->progs == NULL || filesize < (fs_offset_t)sizeof(dprograms_t))
2078                 PRVM_ERROR ("PRVM_LoadProgs: couldn't load %s for %s", filename, PRVM_NAME);
2079         // TODO bounds check header fields (e.g. numstatements), they must never go behind end of file
2080
2081         Con_DPrintf("%s programs occupy %iK.\n", PRVM_NAME, (int)(filesize/1024));
2082
2083         prog->filecrc = CRC_Block((unsigned char *)prog->progs, filesize);
2084
2085 // byte swap the header
2086         for (i = 0;i < (int) sizeof(*prog->progs) / 4;i++)
2087                 ((int *)prog->progs)[i] = LittleLong ( ((int *)prog->progs)[i] );
2088
2089         if (prog->progs->version != PROG_VERSION)
2090                 PRVM_ERROR ("%s: %s has wrong version number (%i should be %i)", PRVM_NAME, filename, prog->progs->version, PROG_VERSION);
2091         if (prog->progs->crc != prog->headercrc && prog->progs->crc != prog->headercrc2)
2092                 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);
2093
2094         //prog->functions = (dfunction_t *)((unsigned char *)progs + progs->ofs_functions);
2095         dfunctions = (dfunction_t *)((unsigned char *)prog->progs + prog->progs->ofs_functions);
2096
2097         if (prog->progs->ofs_strings + prog->progs->numstrings >= (int)filesize)
2098                 PRVM_ERROR ("%s: %s strings go past end of file", PRVM_NAME, filename);
2099         prog->strings = (char *)prog->progs + prog->progs->ofs_strings;
2100         prog->stringssize = prog->progs->numstrings;
2101
2102         prog->numknownstrings = 0;
2103         prog->maxknownstrings = 0;
2104         prog->knownstrings = NULL;
2105         prog->knownstrings_freeable = NULL;
2106
2107         Mem_ExpandableArray_NewArray(&prog->stringbuffersarray, prog->progs_mempool, sizeof(prvm_stringbuffer_t), 64);
2108
2109         prog->globaldefs = (ddef_t *)((unsigned char *)prog->progs + prog->progs->ofs_globaldefs);
2110
2111         // we need to expand the fielddefs list to include all the engine fields,
2112         // so allocate a new place for it
2113         infielddefs = (ddef_t *)((unsigned char *)prog->progs + prog->progs->ofs_fielddefs);
2114         //                                                                                              ( + DPFIELDS                       )
2115         prog->fielddefs = (ddef_t *)Mem_Alloc(prog->progs_mempool, (prog->progs->numfielddefs + numrequiredfields) * sizeof(ddef_t));
2116
2117         prog->statements = (dstatement_t *)((unsigned char *)prog->progs + prog->progs->ofs_statements);
2118
2119         prog->statement_profile = (double *)Mem_Alloc(prog->progs_mempool, prog->progs->numstatements * sizeof(*prog->statement_profile));
2120
2121         //pr_global_struct = (globalvars_t *)((unsigned char *)progs + progs->ofs_globals);
2122         prog->globals.generic = (float *)((unsigned char *)prog->progs + prog->progs->ofs_globals);
2123
2124 // byte swap the lumps
2125         for (i=0 ; i<prog->progs->numstatements ; i++)
2126         {
2127                 prog->statements[i].op = LittleShort(prog->statements[i].op);
2128                 prog->statements[i].a = LittleShort(prog->statements[i].a);
2129                 prog->statements[i].b = LittleShort(prog->statements[i].b);
2130                 prog->statements[i].c = LittleShort(prog->statements[i].c);
2131         }
2132
2133         prog->functions = (mfunction_t *)Mem_Alloc(prog->progs_mempool, sizeof(mfunction_t) * prog->progs->numfunctions);
2134         for (i = 0;i < prog->progs->numfunctions;i++)
2135         {
2136                 prog->functions[i].first_statement = LittleLong (dfunctions[i].first_statement);
2137                 prog->functions[i].parm_start = LittleLong (dfunctions[i].parm_start);
2138                 prog->functions[i].s_name = LittleLong (dfunctions[i].s_name);
2139                 prog->functions[i].s_file = LittleLong (dfunctions[i].s_file);
2140                 prog->functions[i].numparms = LittleLong (dfunctions[i].numparms);
2141                 prog->functions[i].locals = LittleLong (dfunctions[i].locals);
2142                 memcpy(prog->functions[i].parm_size, dfunctions[i].parm_size, sizeof(dfunctions[i].parm_size));
2143                 if(prog->functions[i].first_statement >= prog->progs->numstatements)
2144                         PRVM_ERROR("PRVM_LoadProgs: out of bounds function statement (function %d) in %s", i, PRVM_NAME);
2145                 // TODO bounds check parm_start, s_name, s_file, numparms, locals, parm_size
2146         }
2147
2148         for (i=0 ; i<prog->progs->numglobaldefs ; i++)
2149         {
2150                 prog->globaldefs[i].type = LittleShort (prog->globaldefs[i].type);
2151                 prog->globaldefs[i].ofs = LittleShort (prog->globaldefs[i].ofs);
2152                 prog->globaldefs[i].s_name = LittleLong (prog->globaldefs[i].s_name);
2153                 // TODO bounds check ofs, s_name
2154         }
2155
2156         // copy the progs fields to the new fields list
2157         for (i = 0;i < prog->progs->numfielddefs;i++)
2158         {
2159                 prog->fielddefs[i].type = LittleShort (infielddefs[i].type);
2160                 if (prog->fielddefs[i].type & DEF_SAVEGLOBAL)
2161                         PRVM_ERROR ("PRVM_LoadProgs: prog->fielddefs[i].type & DEF_SAVEGLOBAL in %s", PRVM_NAME);
2162                 prog->fielddefs[i].ofs = LittleShort (infielddefs[i].ofs);
2163                 prog->fielddefs[i].s_name = LittleLong (infielddefs[i].s_name);
2164                 // TODO bounds check ofs, s_name
2165         }
2166
2167         // append the required fields
2168         for (i = 0;i < (int) numrequiredfields;i++)
2169         {
2170                 prog->fielddefs[prog->progs->numfielddefs].type = required_field[i].type;
2171                 prog->fielddefs[prog->progs->numfielddefs].ofs = prog->progs->entityfields;
2172                 prog->fielddefs[prog->progs->numfielddefs].s_name = PRVM_SetEngineString(required_field[i].name);
2173                 // TODO bounds check ofs, s_name
2174                 if (prog->fielddefs[prog->progs->numfielddefs].type == ev_vector)
2175                         prog->progs->entityfields += 3;
2176                 else
2177                         prog->progs->entityfields++;
2178                 prog->progs->numfielddefs++;
2179         }
2180         prog->entityfields = prog->progs->entityfields;
2181
2182         // check required functions
2183         for(i=0 ; i < numrequiredfunc ; i++)
2184                 if(PRVM_ED_FindFunction(required_func[i]) == 0)
2185                         PRVM_ERROR("%s: %s not found in %s",PRVM_NAME, required_func[i], filename);
2186
2187         // check required globals
2188         for(i=0 ; i < numrequiredglobals ; i++)
2189                 if(PRVM_ED_FindGlobal(required_global[i]) == 0)
2190                         PRVM_ERROR("%s: %s not found in %s",PRVM_NAME, required_global[i], filename);
2191
2192         for (i=0 ; i<prog->progs->numglobals ; i++)
2193                 ((int *)prog->globals.generic)[i] = LittleLong (((int *)prog->globals.generic)[i]);
2194
2195         // LordHavoc: bounds check anything static
2196         for (i = 0,st = prog->statements;i < prog->progs->numstatements;i++,st++)
2197         {
2198                 switch (st->op)
2199                 {
2200                 case OP_IF:
2201                 case OP_IFNOT:
2202                         if ((unsigned short) st->a >= prog->progs->numglobals || st->b + i < 0 || st->b + i >= prog->progs->numstatements)
2203                                 PRVM_ERROR("PRVM_LoadProgs: out of bounds IF/IFNOT (statement %d) in %s", i, PRVM_NAME);
2204                         break;
2205                 case OP_GOTO:
2206                         if (st->a + i < 0 || st->a + i >= prog->progs->numstatements)
2207                                 PRVM_ERROR("PRVM_LoadProgs: out of bounds GOTO (statement %d) in %s", i, PRVM_NAME);
2208                         break;
2209                 // global global global
2210                 case OP_ADD_F:
2211                 case OP_ADD_V:
2212                 case OP_SUB_F:
2213                 case OP_SUB_V:
2214                 case OP_MUL_F:
2215                 case OP_MUL_V:
2216                 case OP_MUL_FV:
2217                 case OP_MUL_VF:
2218                 case OP_DIV_F:
2219                 case OP_BITAND:
2220                 case OP_BITOR:
2221                 case OP_GE:
2222                 case OP_LE:
2223                 case OP_GT:
2224                 case OP_LT:
2225                 case OP_AND:
2226                 case OP_OR:
2227                 case OP_EQ_F:
2228                 case OP_EQ_V:
2229                 case OP_EQ_S:
2230                 case OP_EQ_E:
2231                 case OP_EQ_FNC:
2232                 case OP_NE_F:
2233                 case OP_NE_V:
2234                 case OP_NE_S:
2235                 case OP_NE_E:
2236                 case OP_NE_FNC:
2237                 case OP_ADDRESS:
2238                 case OP_LOAD_F:
2239                 case OP_LOAD_FLD:
2240                 case OP_LOAD_ENT:
2241                 case OP_LOAD_S:
2242                 case OP_LOAD_FNC:
2243                 case OP_LOAD_V:
2244                         if ((unsigned short) st->a >= prog->progs->numglobals || (unsigned short) st->b >= prog->progs->numglobals || (unsigned short) st->c >= prog->progs->numglobals)
2245                                 PRVM_ERROR("PRVM_LoadProgs: out of bounds global index (statement %d)", i);
2246                         break;
2247                 // global none global
2248                 case OP_NOT_F:
2249                 case OP_NOT_V:
2250                 case OP_NOT_S:
2251                 case OP_NOT_FNC:
2252                 case OP_NOT_ENT:
2253                         if ((unsigned short) st->a >= prog->progs->numglobals || (unsigned short) st->c >= prog->progs->numglobals)
2254                                 PRVM_ERROR("PRVM_LoadProgs: out of bounds global index (statement %d) in %s", i, PRVM_NAME);
2255                         break;
2256                 // 2 globals
2257                 case OP_STOREP_F:
2258                 case OP_STOREP_ENT:
2259                 case OP_STOREP_FLD:
2260                 case OP_STOREP_S:
2261                 case OP_STOREP_FNC:
2262                 case OP_STORE_F:
2263                 case OP_STORE_ENT:
2264                 case OP_STORE_FLD:
2265                 case OP_STORE_S:
2266                 case OP_STORE_FNC:
2267                 case OP_STATE:
2268                 case OP_STOREP_V:
2269                 case OP_STORE_V:
2270                         if ((unsigned short) st->a >= prog->progs->numglobals || (unsigned short) st->b >= prog->progs->numglobals)
2271                                 PRVM_ERROR("PRVM_LoadProgs: out of bounds global index (statement %d) in %s", i, PRVM_NAME);
2272                         break;
2273                 // 1 global
2274                 case OP_CALL0:
2275                 case OP_CALL1:
2276                 case OP_CALL2:
2277                 case OP_CALL3:
2278                 case OP_CALL4:
2279                 case OP_CALL5:
2280                 case OP_CALL6:
2281                 case OP_CALL7:
2282                 case OP_CALL8:
2283                 case OP_DONE:
2284                 case OP_RETURN:
2285                         if ((unsigned short) st->a >= prog->progs->numglobals)
2286                                 PRVM_ERROR("PRVM_LoadProgs: out of bounds global index (statement %d) in %s", i, PRVM_NAME);
2287                         break;
2288                 default:
2289                         Con_DPrintf("PRVM_LoadProgs: unknown opcode %d at statement %d in %s\n", st->op, i, PRVM_NAME);
2290                         break;
2291                 }
2292         }
2293         if(prog->progs->numstatements < 1)
2294         {
2295                 PRVM_ERROR("PRVM_LoadProgs: empty program in %s", PRVM_NAME);
2296         }
2297         else switch(prog->statements[prog->progs->numstatements - 1].op)
2298         {
2299                 case OP_RETURN:
2300                 case OP_GOTO:
2301                 case OP_DONE:
2302                         break;
2303                 default:
2304                         PRVM_ERROR("PRVM_LoadProgs: program may fall off the edge (does not end with RETURN, GOTO or DONE) in %s", PRVM_NAME);
2305                         break;
2306         }
2307
2308         PRVM_LoadLNO(filename);
2309
2310         PRVM_Init_Exec();
2311
2312         if(*prvm_language.string)
2313         // in CSQC we really shouldn't be able to change how stuff works... sorry for now
2314         // later idea: include a list of authorized .po file checksums with the csprogs
2315         {
2316                 qboolean deftrans = !!strcmp(PRVM_NAME, "client");
2317                 if(!strcmp(prvm_language.string, "dump"))
2318                 {
2319                         qfile_t *f = FS_OpenRealFile(va("%s.%s.po", filename, prvm_language.string), "w", false);
2320                         Con_Printf("Dumping to %s.%s.po\n", filename, prvm_language.string);
2321                         if(f)
2322                         {
2323                                 for (i=0 ; i<prog->progs->numglobaldefs ; i++)
2324                                 {
2325                                         const char *name;
2326                                         name = PRVM_GetString(prog->globaldefs[i].s_name);
2327                                         if(deftrans ? (!name || strncmp(name, "notranslate_", 12)) : (name && !strncmp(name, "dotranslate_", 12)))
2328                                         if((prog->globaldefs[i].type & ~DEF_SAVEGLOBAL) == ev_string)
2329                                         {
2330                                                 prvm_eval_t *val = (prvm_eval_t *)(prog->globals.generic + prog->globaldefs[i].ofs);
2331                                                 const char *value = PRVM_GetString(val->string);
2332                                                 if(*value)
2333                                                 {
2334                                                         char buf[MAX_INPUTLINE];
2335                                                         PRVM_PO_UnparseString(buf, value, sizeof(buf));
2336                                                         FS_Printf(f, "msgid \"%s\"\nmsgstr \"\"\n\n", buf);
2337                                                 }
2338                                         }
2339                                 }
2340                                 FS_Close(f);
2341                         }
2342                 }
2343                 else
2344                 {
2345                         po_t *po = PRVM_PO_Load(va("%s.%s.po", filename, prvm_language.string), prog->progs_mempool);
2346                         if(po)
2347                         {
2348                                 for (i=0 ; i<prog->progs->numglobaldefs ; i++)
2349                                 {
2350                                         const char *name;
2351                                         name = PRVM_GetString(prog->globaldefs[i].s_name);
2352                                         if(deftrans ? (!name || strncmp(name, "notranslate_", 12)) : (name && !strncmp(name, "dotranslate_", 12)))
2353                                         if((prog->globaldefs[i].type & ~DEF_SAVEGLOBAL) == ev_string)
2354                                         {
2355                                                 prvm_eval_t *val = (prvm_eval_t *)(prog->globals.generic + prog->globaldefs[i].ofs);
2356                                                 const char *value = PRVM_GetString(val->string);
2357                                                 if(*value)
2358                                                 {
2359                                                         value = PRVM_PO_Lookup(po, value);
2360                                                         if(value)
2361                                                                 val->string = PRVM_SetEngineString(value);
2362                                                 }
2363                                         }
2364                                 }
2365                         }
2366                 }
2367         }
2368
2369         for (i=0 ; i<prog->progs->numglobaldefs ; i++)
2370         {
2371                 const char *name;
2372                 name = PRVM_GetString(prog->globaldefs[i].s_name);
2373                 //Con_Printf("found var %s\n", name);
2374                 if(name
2375                         && !strncmp(name, "autocvar_", 9)
2376                         && !(strlen(name) > 1 && name[strlen(name)-2] == '_' && (name[strlen(name)-1] == 'x' || name[strlen(name)-1] == 'y' || name[strlen(name)-1] == 'z'))
2377                 )
2378                 {
2379                         prvm_eval_t *val = (prvm_eval_t *)(prog->globals.generic + prog->globaldefs[i].ofs);
2380                         cvar_t *cvar = Cvar_FindVar(name + 9);
2381                         //Con_Printf("PRVM_LoadProgs: autocvar global %s in %s, processing...\n", name, PRVM_NAME);
2382                         if(!cvar)
2383                         {
2384                                 const char *value;
2385                                 char buf[64];
2386                                 Con_Printf("PRVM_LoadProgs: no cvar for autocvar global %s in %s, creating...\n", name, PRVM_NAME);
2387                                 switch(prog->globaldefs[i].type & ~DEF_SAVEGLOBAL)
2388                                 {
2389                                         case ev_float:
2390                                                 if((float)((int)(val->_float)) == val->_float)
2391                                                         dpsnprintf(buf, sizeof(buf), "%i", (int)(val->_float));
2392                                                 else
2393                                                         dpsnprintf(buf, sizeof(buf), "%.9g", val->_float);
2394                                                 value = buf;
2395                                                 break;
2396                                         case ev_vector:
2397                                                 dpsnprintf(buf, sizeof(buf), "%.9g %.9g %.9g", val->vector[0], val->vector[1], val->vector[2]); value = buf;
2398                                                 break;
2399                                         case ev_string:
2400                                                 value = PRVM_GetString(val->string);
2401                                                 break;
2402                                         default:
2403                                                 Con_Printf("PRVM_LoadProgs: invalid type of autocvar global %s in %s\n", name, PRVM_NAME);
2404                                                 goto fail;
2405                                 }
2406                                 cvar = Cvar_Get(name + 9, value, 0, NULL);
2407                                 if((prog->globaldefs[i].type & ~DEF_SAVEGLOBAL) == ev_string)
2408                                 {
2409                                         val->string = PRVM_SetEngineString(cvar->string);
2410                                         cvar->globaldefindex_stringno[prog - prog_list] = val->string;
2411                                 }
2412                                 if(!cvar)
2413                                         PRVM_ERROR("PRVM_LoadProgs: could not create cvar for autocvar global %s in %s", name, PRVM_NAME);
2414                                 cvar->globaldefindex_progid[prog - prog_list] = prog->id;
2415                                 cvar->globaldefindex[prog - prog_list] = i;
2416                         }
2417                         else if((cvar->flags & CVAR_PRIVATE) == 0)
2418                         {
2419                                 // MUST BE SYNCED WITH cvar.c Cvar_Set
2420                                 int j;
2421                                 const char *s;
2422                                 switch(prog->globaldefs[i].type & ~DEF_SAVEGLOBAL)
2423                                 {
2424                                         case ev_float:
2425                                                 val->_float = cvar->value;
2426                                                 break;
2427                                         case ev_vector:
2428                                                 s = cvar->string;
2429                                                 VectorClear(val->vector);
2430                                                 for (j = 0;j < 3;j++)
2431                                                 {
2432                                                         while (*s && ISWHITESPACE(*s))
2433                                                                 s++;
2434                                                         if (!*s)
2435                                                                 break;
2436                                                         val->vector[j] = atof(s);
2437                                                         while (!ISWHITESPACE(*s))
2438                                                                 s++;
2439                                                         if (!*s)
2440                                                                 break;
2441                                                 }
2442                                                 break;
2443                                         case ev_string:
2444                                                 val->string = PRVM_SetEngineString(cvar->string);
2445                                                 cvar->globaldefindex_stringno[prog - prog_list] = val->string;
2446                                                 break;
2447                                         default:
2448                                                 Con_Printf("PRVM_LoadProgs: invalid type of autocvar global %s in %s\n", name, PRVM_NAME);
2449                                                 goto fail;
2450                                 }
2451                                 cvar->globaldefindex_progid[prog - prog_list] = prog->id;
2452                                 cvar->globaldefindex[prog - prog_list] = i;
2453                         }
2454                         else
2455                                 Con_Printf("PRVM_LoadProgs: private cvar for autocvar global %s in %s\n", name, PRVM_NAME);
2456                 }
2457 fail:
2458                 ;
2459         }
2460
2461         prog->loaded = TRUE;
2462
2463         // set flags & ddef_ts in prog
2464
2465         prog->flag = 0;
2466
2467         PRVM_FindOffsets();
2468
2469         PRVM_GCALL(init_cmd)();
2470
2471         // init mempools
2472         PRVM_MEM_Alloc();
2473 }
2474
2475
2476 void PRVM_Fields_f (void)
2477 {
2478         int i, j, ednum, used, usedamount;
2479         int *counts;
2480         char tempstring[MAX_INPUTLINE], tempstring2[260];
2481         const char *name;
2482         prvm_edict_t *ed;
2483         ddef_t *d;
2484         int *v;
2485
2486         // TODO
2487         /*
2488         if (!sv.active)
2489         {
2490                 Con_Print("no progs loaded\n");
2491                 return;
2492         }
2493         */
2494
2495         if(Cmd_Argc() != 2)
2496         {
2497                 Con_Print("prvm_fields <program name>\n");
2498                 return;
2499         }
2500
2501         PRVM_Begin;
2502         if(!PRVM_SetProgFromString(Cmd_Argv(1)))
2503                 return;
2504
2505         counts = (int *)Mem_Alloc(tempmempool, prog->progs->numfielddefs * sizeof(int));
2506         for (ednum = 0;ednum < prog->max_edicts;ednum++)
2507         {
2508                 ed = PRVM_EDICT_NUM(ednum);
2509                 if (ed->priv.required->free)
2510                         continue;
2511                 for (i = 1;i < prog->progs->numfielddefs;i++)
2512                 {
2513                         d = &prog->fielddefs[i];
2514                         name = PRVM_GetString(d->s_name);
2515                         if (name[strlen(name)-2] == '_')
2516                                 continue;       // skip _x, _y, _z vars
2517                         v = (int *)(ed->fields.vp + d->ofs);
2518                         // if the value is still all 0, skip the field
2519                         for (j = 0;j < prvm_type_size[d->type & ~DEF_SAVEGLOBAL];j++)
2520                         {
2521                                 if (v[j])
2522                                 {
2523                                         counts[i]++;
2524                                         break;
2525                                 }
2526                         }
2527                 }
2528         }
2529         used = 0;
2530         usedamount = 0;
2531         tempstring[0] = 0;
2532         for (i = 0;i < prog->progs->numfielddefs;i++)
2533         {
2534                 d = &prog->fielddefs[i];
2535                 name = PRVM_GetString(d->s_name);
2536                 if (name[strlen(name)-2] == '_')
2537                         continue;       // skip _x, _y, _z vars
2538                 switch(d->type & ~DEF_SAVEGLOBAL)
2539                 {
2540                 case ev_string:
2541                         strlcat(tempstring, "string   ", sizeof(tempstring));
2542                         break;
2543                 case ev_entity:
2544                         strlcat(tempstring, "entity   ", sizeof(tempstring));
2545                         break;
2546                 case ev_function:
2547                         strlcat(tempstring, "function ", sizeof(tempstring));
2548                         break;
2549                 case ev_field:
2550                         strlcat(tempstring, "field    ", sizeof(tempstring));
2551                         break;
2552                 case ev_void:
2553                         strlcat(tempstring, "void     ", sizeof(tempstring));
2554                         break;
2555                 case ev_float:
2556                         strlcat(tempstring, "float    ", sizeof(tempstring));
2557                         break;
2558                 case ev_vector:
2559                         strlcat(tempstring, "vector   ", sizeof(tempstring));
2560                         break;
2561                 case ev_pointer:
2562                         strlcat(tempstring, "pointer  ", sizeof(tempstring));
2563                         break;
2564                 default:
2565                         dpsnprintf (tempstring2, sizeof(tempstring2), "bad type %i ", d->type & ~DEF_SAVEGLOBAL);
2566                         strlcat(tempstring, tempstring2, sizeof(tempstring));
2567                         break;
2568                 }
2569                 if (strlen(name) > sizeof(tempstring2)-4)
2570                 {
2571                         memcpy (tempstring2, name, sizeof(tempstring2)-4);
2572                         tempstring2[sizeof(tempstring2)-4] = tempstring2[sizeof(tempstring2)-3] = tempstring2[sizeof(tempstring2)-2] = '.';
2573                         tempstring2[sizeof(tempstring2)-1] = 0;
2574                         name = tempstring2;
2575                 }
2576                 strlcat(tempstring, name, sizeof(tempstring));
2577                 for (j = (int)strlen(name);j < 25;j++)
2578                         strlcat(tempstring, " ", sizeof(tempstring));
2579                 dpsnprintf(tempstring2, sizeof(tempstring2), "%5d", counts[i]);
2580                 strlcat(tempstring, tempstring2, sizeof(tempstring));
2581                 strlcat(tempstring, "\n", sizeof(tempstring));
2582                 if (strlen(tempstring) >= sizeof(tempstring)/2)
2583                 {
2584                         Con_Print(tempstring);
2585                         tempstring[0] = 0;
2586                 }
2587                 if (counts[i])
2588                 {
2589                         used++;
2590                         usedamount += prvm_type_size[d->type & ~DEF_SAVEGLOBAL];
2591                 }
2592         }
2593         Mem_Free(counts);
2594         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);
2595
2596         PRVM_End;
2597 }
2598
2599 void PRVM_Globals_f (void)
2600 {
2601         int i;
2602         const char *wildcard;
2603         int numculled;
2604                 numculled = 0;
2605         // TODO
2606         /*if (!sv.active)
2607         {
2608                 Con_Print("no progs loaded\n");
2609                 return;
2610         }*/
2611         if(Cmd_Argc () < 2 || Cmd_Argc() > 3)
2612         {
2613                 Con_Print("prvm_globals <program name> <optional name wildcard>\n");
2614                 return;
2615         }
2616
2617         PRVM_Begin;
2618         if(!PRVM_SetProgFromString (Cmd_Argv (1)))
2619                 return;
2620
2621         if( Cmd_Argc() == 3)
2622                 wildcard = Cmd_Argv(2);
2623         else
2624                 wildcard = NULL;
2625
2626         Con_Printf("%s :", PRVM_NAME);
2627
2628         for (i = 0;i < prog->progs->numglobaldefs;i++)
2629         {
2630                 if(wildcard)
2631                         if( !matchpattern( PRVM_GetString(prog->globaldefs[i].s_name), wildcard, 1) )
2632                         {
2633                                 numculled++;
2634                                 continue;
2635                         }
2636                 Con_Printf("%s\n", PRVM_GetString(prog->globaldefs[i].s_name));
2637         }
2638         Con_Printf("%i global variables, %i culled, totalling %i bytes\n", prog->progs->numglobals, numculled, prog->progs->numglobals * 4);
2639
2640         PRVM_End;
2641 }
2642
2643 /*
2644 ===============
2645 PRVM_Global
2646 ===============
2647 */
2648 void PRVM_Global_f(void)
2649 {
2650         ddef_t *global;
2651         if( Cmd_Argc() != 3 ) {
2652                 Con_Printf( "prvm_global <program name> <global name>\n" );
2653                 return;
2654         }
2655
2656         PRVM_Begin;
2657         if( !PRVM_SetProgFromString( Cmd_Argv(1) ) )
2658                 return;
2659
2660         global = PRVM_ED_FindGlobal( Cmd_Argv(2) );
2661         if( !global )
2662                 Con_Printf( "No global '%s' in %s!\n", Cmd_Argv(2), Cmd_Argv(1) );
2663         else
2664                 Con_Printf( "%s: %s\n", Cmd_Argv(2), PRVM_ValueString( (etype_t)global->type, (prvm_eval_t *) &prog->globals.generic[ global->ofs ] ) );
2665         PRVM_End;
2666 }
2667
2668 /*
2669 ===============
2670 PRVM_GlobalSet
2671 ===============
2672 */
2673 void PRVM_GlobalSet_f(void)
2674 {
2675         ddef_t *global;
2676         if( Cmd_Argc() != 4 ) {
2677                 Con_Printf( "prvm_globalset <program name> <global name> <value>\n" );
2678                 return;
2679         }
2680
2681         PRVM_Begin;
2682         if( !PRVM_SetProgFromString( Cmd_Argv(1) ) )
2683                 return;
2684
2685         global = PRVM_ED_FindGlobal( Cmd_Argv(2) );
2686         if( !global )
2687                 Con_Printf( "No global '%s' in %s!\n", Cmd_Argv(2), Cmd_Argv(1) );
2688         else
2689                 PRVM_ED_ParseEpair( NULL, global, Cmd_Argv(3), true );
2690         PRVM_End;
2691 }
2692
2693 /*
2694 ===============
2695 PRVM_Init
2696 ===============
2697 */
2698 void PRVM_Init (void)
2699 {
2700         Cmd_AddCommand ("prvm_edict", PRVM_ED_PrintEdict_f, "print all data about an entity number in the selected VM (server, client, menu)");
2701         Cmd_AddCommand ("prvm_edicts", PRVM_ED_PrintEdicts_f, "prints all data about all entities in the selected VM (server, client, menu)");
2702         Cmd_AddCommand ("prvm_edictcount", PRVM_ED_Count_f, "prints number of active entities in the selected VM (server, client, menu)");
2703         Cmd_AddCommand ("prvm_profile", PRVM_Profile_f, "prints execution statistics about the most used QuakeC functions in the selected VM (server, client, menu)");
2704         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");
2705         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)");
2706         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)");
2707         Cmd_AddCommand ("prvm_globals", PRVM_Globals_f, "prints all global variables in the selected VM (server, client, menu)");
2708         Cmd_AddCommand ("prvm_global", PRVM_Global_f, "prints value of a specified global variable in the selected VM (server, client, menu)");
2709         Cmd_AddCommand ("prvm_globalset", PRVM_GlobalSet_f, "sets value of a specified global variable in the selected VM (server, client, menu)");
2710         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)");
2711         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");
2712         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");
2713         Cmd_AddCommand ("prvm_printfunction", PRVM_PrintFunction_f, "prints a disassembly (QuakeC instructions) of the specified function in the selected VM (server, client, menu)");
2714         Cmd_AddCommand ("cl_cmd", PRVM_GameCommand_Client_f, "calls the client QC function GameCommand with the supplied string as argument");
2715         Cmd_AddCommand ("menu_cmd", PRVM_GameCommand_Menu_f, "calls the menu QC function GameCommand with the supplied string as argument");
2716         Cmd_AddCommand ("sv_cmd", PRVM_GameCommand_Server_f, "calls the server QC function GameCommand with the supplied string as argument");
2717
2718         Cvar_RegisterVariable (&prvm_language);
2719         Cvar_RegisterVariable (&prvm_traceqc);
2720         Cvar_RegisterVariable (&prvm_statementprofiling);
2721         Cvar_RegisterVariable (&prvm_backtraceforwarnings);
2722         Cvar_RegisterVariable (&prvm_leaktest);
2723         Cvar_RegisterVariable (&prvm_leaktest_ignore_classnames);
2724         Cvar_RegisterVariable (&prvm_errordump);
2725         Cvar_RegisterVariable (&prvm_reuseedicts_startuptime);
2726         Cvar_RegisterVariable (&prvm_reuseedicts_neverinsameframe);
2727
2728         // COMMANDLINEOPTION: PRVM: -norunaway disables the runaway loop check (it might be impossible to exit DarkPlaces if used!)
2729         prvm_runawaycheck = !COM_CheckParm("-norunaway");
2730
2731         //VM_Cmd_Init();
2732 }
2733
2734 /*
2735 ===============
2736 PRVM_InitProg
2737 ===============
2738 */
2739 void PRVM_InitProg(int prognr)
2740 {
2741         static unsigned int progid = 0;
2742
2743         if(prognr < 0 || prognr >= PRVM_MAXPROGS)
2744                 Sys_Error("PRVM_InitProg: Invalid program number %i",prognr);
2745
2746         prog = &prog_list[prognr];
2747
2748         if(prog->loaded)
2749                 PRVM_ResetProg();
2750
2751         memset(prog, 0, sizeof(prvm_prog_t));
2752         prog->starttime = Sys_DoubleTime();
2753         prog->id = ++progid;
2754
2755         prog->error_cmd = Host_Error;
2756         prog->leaktest_active = prvm_leaktest.integer != 0;
2757 }
2758
2759 int PRVM_GetProgNr(void)
2760 {
2761         return prog - prog_list;
2762 }
2763
2764 void *_PRVM_Alloc(size_t buffersize, const char *filename, int fileline)
2765 {
2766         return _Mem_Alloc(prog->progs_mempool, NULL, buffersize, 16, filename, fileline);
2767 }
2768
2769 void _PRVM_Free(void *buffer, const char *filename, int fileline)
2770 {
2771         _Mem_Free(buffer, filename, fileline);
2772 }
2773
2774 void _PRVM_FreeAll(const char *filename, int fileline)
2775 {
2776         prog->progs = NULL;
2777         prog->fielddefs = NULL;
2778         prog->functions = NULL;
2779         _Mem_EmptyPool(prog->progs_mempool, filename, fileline);
2780 }
2781
2782 // LordHavoc: turned PRVM_EDICT_NUM into a #define for speed reasons
2783 unsigned int PRVM_EDICT_NUM_ERROR(unsigned int n, char *filename, int fileline)
2784 {
2785         PRVM_ERROR ("PRVM_EDICT_NUM: %s: bad number %i (called at %s:%i)", PRVM_NAME, n, filename, fileline);
2786         return 0;
2787 }
2788
2789 sizebuf_t vm_tempstringsbuf;
2790 #define PRVM_KNOWNSTRINGBASE 0x40000000
2791
2792 const char *PRVM_GetString(int num)
2793 {
2794         if (num < 0)
2795         {
2796                 // invalid
2797                 VM_Warning("PRVM_GetString: Invalid string offset (%i < 0)\n", num);
2798                 return "";
2799         }
2800         else if (num < prog->stringssize)
2801         {
2802                 // constant string from progs.dat
2803                 return prog->strings + num;
2804         }
2805         else if (num <= prog->stringssize + vm_tempstringsbuf.maxsize)
2806         {
2807                 // tempstring returned by engine to QC (becomes invalid after returning to engine)
2808                 num -= prog->stringssize;
2809                 if (num < vm_tempstringsbuf.cursize)
2810                         return (char *)vm_tempstringsbuf.data + num;
2811                 else
2812                 {
2813                         VM_Warning("PRVM_GetString: Invalid temp-string offset (%i >= %i vm_tempstringsbuf.cursize)\n", num, vm_tempstringsbuf.cursize);
2814                         return "";
2815                 }
2816         }
2817         else if (num & PRVM_KNOWNSTRINGBASE)
2818         {
2819                 // allocated string
2820                 num = num - PRVM_KNOWNSTRINGBASE;
2821                 if (num >= 0 && num < prog->numknownstrings)
2822                 {
2823                         if (!prog->knownstrings[num])
2824                         {
2825                                 VM_Warning("PRVM_GetString: Invalid zone-string offset (%i has been freed)\n", num);
2826                                 return "";
2827                         }
2828                         return prog->knownstrings[num];
2829                 }
2830                 else
2831                 {
2832                         VM_Warning("PRVM_GetString: Invalid zone-string offset (%i >= %i)\n", num, prog->numknownstrings);
2833                         return "";
2834                 }
2835         }
2836         else
2837         {
2838                 // invalid string offset
2839                 VM_Warning("PRVM_GetString: Invalid constant-string offset (%i >= %i prog->stringssize)\n", num, prog->stringssize);
2840                 return "";
2841         }
2842 }
2843
2844 const char *PRVM_ChangeEngineString(int i, const char *s)
2845 {
2846         const char *old;
2847         i = i - PRVM_KNOWNSTRINGBASE;
2848         if(i < 0 || i >= prog->numknownstrings)
2849                 PRVM_ERROR("PRVM_ChangeEngineString: s is not an engine string");
2850         old = prog->knownstrings[i];
2851         prog->knownstrings[i] = s;
2852         return old;
2853 }
2854
2855 int PRVM_SetEngineString(const char *s)
2856 {
2857         int i;
2858         if (!s)
2859                 return 0;
2860         if (s >= prog->strings && s <= prog->strings + prog->stringssize)
2861                 PRVM_ERROR("PRVM_SetEngineString: s in prog->strings area");
2862         // if it's in the tempstrings area, use a reserved range
2863         // (otherwise we'd get millions of useless string offsets cluttering the database)
2864         if (s >= (char *)vm_tempstringsbuf.data && s < (char *)vm_tempstringsbuf.data + vm_tempstringsbuf.maxsize)
2865 #if 1
2866                 return prog->stringssize + (s - (char *)vm_tempstringsbuf.data);
2867 #endif
2868         // see if it's a known string address
2869         for (i = 0;i < prog->numknownstrings;i++)
2870                 if (prog->knownstrings[i] == s)
2871                         return PRVM_KNOWNSTRINGBASE + i;
2872         // new unknown engine string
2873         if (developer_insane.integer)
2874                 Con_DPrintf("new engine string %p = \"%s\"\n", s, s);
2875         for (i = prog->firstfreeknownstring;i < prog->numknownstrings;i++)
2876                 if (!prog->knownstrings[i])
2877                         break;
2878         if (i >= prog->numknownstrings)
2879         {
2880                 if (i >= prog->maxknownstrings)
2881                 {
2882                         const char **oldstrings = prog->knownstrings;
2883                         const unsigned char *oldstrings_freeable = prog->knownstrings_freeable;
2884                         const char **oldstrings_origin = prog->knownstrings_origin;
2885                         prog->maxknownstrings += 128;
2886                         prog->knownstrings = (const char **)PRVM_Alloc(prog->maxknownstrings * sizeof(char *));
2887                         prog->knownstrings_freeable = (unsigned char *)PRVM_Alloc(prog->maxknownstrings * sizeof(unsigned char));
2888                         if(prog->leaktest_active)
2889                                 prog->knownstrings_origin = (const char **)PRVM_Alloc(prog->maxknownstrings * sizeof(char *));
2890                         if (prog->numknownstrings)
2891                         {
2892                                 memcpy((char **)prog->knownstrings, oldstrings, prog->numknownstrings * sizeof(char *));
2893                                 memcpy((char **)prog->knownstrings_freeable, oldstrings_freeable, prog->numknownstrings * sizeof(unsigned char));
2894                                 if(prog->leaktest_active)
2895                                         memcpy((char **)prog->knownstrings_origin, oldstrings_origin, prog->numknownstrings * sizeof(char *));
2896                         }
2897                 }
2898                 prog->numknownstrings++;
2899         }
2900         prog->firstfreeknownstring = i + 1;
2901         prog->knownstrings[i] = s;
2902         prog->knownstrings_freeable[i] = false;
2903         if(prog->leaktest_active)
2904                 prog->knownstrings_origin[i] = NULL;
2905         return PRVM_KNOWNSTRINGBASE + i;
2906 }
2907
2908 // temp string handling
2909
2910 // all tempstrings go into this buffer consecutively, and it is reset
2911 // whenever PRVM_ExecuteProgram returns to the engine
2912 // (technically each PRVM_ExecuteProgram call saves the cursize value and
2913 //  restores it on return, so multiple recursive calls can share the same
2914 //  buffer)
2915 // the buffer size is automatically grown as needed
2916
2917 int PRVM_SetTempString(const char *s)
2918 {
2919         int size;
2920         char *t;
2921         if (!s)
2922                 return 0;
2923         size = (int)strlen(s) + 1;
2924         if (developer_insane.integer)
2925                 Con_DPrintf("PRVM_SetTempString: cursize %i, size %i\n", vm_tempstringsbuf.cursize, size);
2926         if (vm_tempstringsbuf.maxsize < vm_tempstringsbuf.cursize + size)
2927         {
2928                 sizebuf_t old = vm_tempstringsbuf;
2929                 if (vm_tempstringsbuf.cursize + size >= 1<<28)
2930                         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);
2931                 vm_tempstringsbuf.maxsize = max(vm_tempstringsbuf.maxsize, 65536);
2932                 while (vm_tempstringsbuf.maxsize < vm_tempstringsbuf.cursize + size)
2933                         vm_tempstringsbuf.maxsize *= 2;
2934                 if (vm_tempstringsbuf.maxsize != old.maxsize || vm_tempstringsbuf.data == NULL)
2935                 {
2936                         Con_DPrintf("PRVM_SetTempString: enlarging tempstrings buffer (%iKB -> %iKB)\n", old.maxsize/1024, vm_tempstringsbuf.maxsize/1024);
2937                         vm_tempstringsbuf.data = (unsigned char *) Mem_Alloc(sv_mempool, vm_tempstringsbuf.maxsize);
2938                         if (old.cursize)
2939                                 memcpy(vm_tempstringsbuf.data, old.data, old.cursize);
2940                         if (old.data)
2941                                 Mem_Free(old.data);
2942                 }
2943         }
2944         t = (char *)vm_tempstringsbuf.data + vm_tempstringsbuf.cursize;
2945         memcpy(t, s, size);
2946         vm_tempstringsbuf.cursize += size;
2947         return PRVM_SetEngineString(t);
2948 }
2949
2950 int PRVM_AllocString(size_t bufferlength, char **pointer)
2951 {
2952         int i;
2953         if (!bufferlength)
2954                 return 0;
2955         for (i = prog->firstfreeknownstring;i < prog->numknownstrings;i++)
2956                 if (!prog->knownstrings[i])
2957                         break;
2958         if (i >= prog->numknownstrings)
2959         {
2960                 if (i >= prog->maxknownstrings)
2961                 {
2962                         const char **oldstrings = prog->knownstrings;
2963                         const unsigned char *oldstrings_freeable = prog->knownstrings_freeable;
2964                         const char **oldstrings_origin = prog->knownstrings_origin;
2965                         prog->maxknownstrings += 128;
2966                         prog->knownstrings = (const char **)PRVM_Alloc(prog->maxknownstrings * sizeof(char *));
2967                         prog->knownstrings_freeable = (unsigned char *)PRVM_Alloc(prog->maxknownstrings * sizeof(unsigned char));
2968                         if(prog->leaktest_active)
2969                                 prog->knownstrings_origin = (const char **)PRVM_Alloc(prog->maxknownstrings * sizeof(char *));
2970                         if (prog->numknownstrings)
2971                         {
2972                                 memcpy((char **)prog->knownstrings, oldstrings, prog->numknownstrings * sizeof(char *));
2973                                 memcpy((char **)prog->knownstrings_freeable, oldstrings_freeable, prog->numknownstrings * sizeof(unsigned char));
2974                                 if(prog->leaktest_active)
2975                                         memcpy((char **)prog->knownstrings_origin, oldstrings_origin, prog->numknownstrings * sizeof(char *));
2976                         }
2977                         if (oldstrings)
2978                                 Mem_Free((char **)oldstrings);
2979                         if (oldstrings_freeable)
2980                                 Mem_Free((unsigned char *)oldstrings_freeable);
2981                         if (oldstrings_origin)
2982                                 Mem_Free((char **)oldstrings_origin);
2983                 }
2984                 prog->numknownstrings++;
2985         }
2986         prog->firstfreeknownstring = i + 1;
2987         prog->knownstrings[i] = (char *)PRVM_Alloc(bufferlength);
2988         prog->knownstrings_freeable[i] = true;
2989         if(prog->leaktest_active)
2990                 prog->knownstrings_origin[i] = PRVM_AllocationOrigin();
2991         if (pointer)
2992                 *pointer = (char *)(prog->knownstrings[i]);
2993         return PRVM_KNOWNSTRINGBASE + i;
2994 }
2995
2996 void PRVM_FreeString(int num)
2997 {
2998         if (num == 0)
2999                 PRVM_ERROR("PRVM_FreeString: attempt to free a NULL string");
3000         else if (num >= 0 && num < prog->stringssize)
3001                 PRVM_ERROR("PRVM_FreeString: attempt to free a constant string");
3002         else if (num >= PRVM_KNOWNSTRINGBASE && num < PRVM_KNOWNSTRINGBASE + prog->numknownstrings)
3003         {
3004                 num = num - PRVM_KNOWNSTRINGBASE;
3005                 if (!prog->knownstrings[num])
3006                         PRVM_ERROR("PRVM_FreeString: attempt to free a non-existent or already freed string");
3007                 if (!prog->knownstrings_freeable[num])
3008                         PRVM_ERROR("PRVM_FreeString: attempt to free a string owned by the engine");
3009                 PRVM_Free((char *)prog->knownstrings[num]);
3010                 if(prog->leaktest_active)
3011                         if(prog->knownstrings_origin[num])
3012                                 PRVM_Free((char *)prog->knownstrings_origin[num]);
3013                 prog->knownstrings[num] = NULL;
3014                 prog->knownstrings_freeable[num] = false;
3015                 prog->firstfreeknownstring = min(prog->firstfreeknownstring, num);
3016         }
3017         else
3018                 PRVM_ERROR("PRVM_FreeString: invalid string offset %i", num);
3019 }
3020
3021 static qboolean PRVM_IsStringReferenced(string_t string)
3022 {
3023         int i, j;
3024
3025         for (i = 0;i < prog->progs->numglobaldefs;i++)
3026         {
3027                 ddef_t *d = &prog->globaldefs[i];
3028                 if((etype_t)((int) d->type & ~DEF_SAVEGLOBAL) != ev_string)
3029                         continue;
3030                 if(string == ((prvm_eval_t *) &prog->globals.generic[d->ofs])->string)
3031                         return true;
3032         }
3033
3034         for(j = 0; j < prog->num_edicts; ++j)
3035         {
3036                 prvm_edict_t *ed = PRVM_EDICT_NUM(j);
3037                 if (ed->priv.required->free)
3038                         continue;
3039                 for (i=0; i<prog->progs->numfielddefs; ++i)
3040                 {
3041                         ddef_t *d = &prog->fielddefs[i];
3042                         if((etype_t)((int) d->type & ~DEF_SAVEGLOBAL) != ev_string)
3043                                 continue;
3044                         if(string == ((prvm_eval_t *) &ed->fields.vp[d->ofs])->string)
3045                                 return true;
3046                 }
3047         }
3048
3049         return false;
3050 }
3051
3052 static qboolean PRVM_IsEdictRelevant(prvm_edict_t *edict)
3053 {
3054         if(PRVM_NUM_FOR_EDICT(edict) <= prog->reserved_edicts)
3055                 return true; // world or clients
3056         switch(prog - prog_list)
3057         {
3058                 case PRVM_SERVERPROG:
3059                         {
3060                                 entvars_t *ev = edict->fields.server;
3061                                 if(ev->solid) // can block other stuff, or is a trigger?
3062                                         return true;
3063                                 if(ev->modelindex) // visible ent?
3064                                         return true;
3065                                 if(ev->effects) // particle effect?
3066                                         return true;
3067                                 if(ev->think) // has a think function?
3068                                         if(ev->nextthink > 0) // that actually will eventually run?
3069                                                 return true;
3070                                 if(ev->takedamage)
3071                                         return true;
3072                                 if(*prvm_leaktest_ignore_classnames.string)
3073                                 {
3074                                         if(strstr(va(" %s ", prvm_leaktest_ignore_classnames.string), va(" %s ", PRVM_GetString(ev->classname))))
3075                                                 return true;
3076                                 }
3077                         }
3078                         break;
3079                 case PRVM_CLIENTPROG:
3080                         {
3081                                 // TODO someone add more stuff here
3082                                 cl_entvars_t *ev = edict->fields.client;
3083                                 if(ev->entnum) // csqc networked
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(*prvm_leaktest_ignore_classnames.string)
3093                                 {
3094                                         if(strstr(va(" %s ", prvm_leaktest_ignore_classnames.string), va(" %s ", PRVM_GetString(ev->classname))))
3095                                                 return true;
3096                                 }
3097                         }
3098                         break;
3099                 case PRVM_MENUPROG:
3100                         // menu prog does not have classnames
3101                         break;
3102         }
3103         return false;
3104 }
3105
3106 static qboolean PRVM_IsEdictReferenced(prvm_edict_t *edict, int mark)
3107 {
3108         int i, j;
3109         int edictnum = PRVM_NUM_FOR_EDICT(edict);
3110         const char *targetname = NULL;
3111
3112         switch(prog - prog_list)
3113         {
3114                 case PRVM_SERVERPROG:
3115                         targetname = PRVM_GetString(edict->fields.server->targetname);
3116                         break;
3117         }
3118
3119         if(targetname)
3120                 if(!*targetname) // ""
3121                         targetname = NULL;
3122
3123         for (i = 0;i < prog->progs->numglobaldefs;i++)
3124         {
3125                 ddef_t *d = &prog->globaldefs[i];
3126                 if((etype_t)((int) d->type & ~DEF_SAVEGLOBAL) != ev_entity)
3127                         continue;
3128                 if(edictnum == ((prvm_eval_t *) &prog->globals.generic[d->ofs])->edict)
3129                         return true;
3130         }
3131
3132         for(j = 0; j < prog->num_edicts; ++j)
3133         {
3134                 prvm_edict_t *ed = PRVM_EDICT_NUM(j);
3135                 if (ed->priv.required->mark < mark)
3136                         continue;
3137                 if(ed == edict)
3138                         continue;
3139                 if(targetname)
3140                 {
3141                         const char *target = PRVM_GetString(ed->fields.server->target);
3142                         if(target)
3143                                 if(!strcmp(target, targetname))
3144                                         return true;
3145                 }
3146                 for (i=0; i<prog->progs->numfielddefs; ++i)
3147                 {
3148                         ddef_t *d = &prog->fielddefs[i];
3149                         if((etype_t)((int) d->type & ~DEF_SAVEGLOBAL) != ev_entity)
3150                                 continue;
3151                         if(edictnum == ((prvm_eval_t *) &ed->fields.vp[d->ofs])->edict)
3152                                 return true;
3153                 }
3154         }
3155
3156         return false;
3157 }
3158
3159 static void PRVM_MarkReferencedEdicts(void)
3160 {
3161         int j;
3162         qboolean found_new;
3163         int stage;
3164
3165         for(j = 0; j < prog->num_edicts; ++j)
3166         {
3167                 prvm_edict_t *ed = PRVM_EDICT_NUM(j);
3168                 if(ed->priv.required->free)
3169                         continue;
3170                 ed->priv.required->mark = PRVM_IsEdictRelevant(ed) ? 1 : 0;
3171         }
3172
3173         stage = 1;
3174         do
3175         {
3176                 found_new = false;
3177                 for(j = 0; j < prog->num_edicts; ++j)
3178                 {
3179                         prvm_edict_t *ed = PRVM_EDICT_NUM(j);
3180                         if(ed->priv.required->free)
3181                                 continue;
3182                         if(ed->priv.required->mark)
3183                                 continue;
3184                         if(PRVM_IsEdictReferenced(ed, stage))
3185                         {
3186                                 ed->priv.required->mark = stage + 1;
3187                                 found_new = true;
3188                         }
3189                 }
3190                 ++stage;
3191         }
3192         while(found_new);
3193         Con_DPrintf("leak check used %d stages to find all references\n", stage);
3194 }
3195
3196 void PRVM_LeakTest(void)
3197 {
3198         int i, j;
3199         qboolean leaked = false;
3200
3201         if(!prog->leaktest_active)
3202                 return;
3203
3204         // 1. Strings
3205         for (i = 0; i < prog->numknownstrings; ++i)
3206         {
3207                 if(prog->knownstrings[i])
3208                 if(prog->knownstrings_freeable[i])
3209                 if(prog->knownstrings_origin[i])
3210                 if(!PRVM_IsStringReferenced(-1 - i))
3211                 {
3212                         Con_Printf("Unreferenced string found!\n  Value: %s\n  Origin: %s\n", prog->knownstrings[i], prog->knownstrings_origin[i]);
3213                         leaked = true;
3214                 }
3215         }
3216
3217         // 2. Edicts
3218         PRVM_MarkReferencedEdicts();
3219         for(j = 0; j < prog->num_edicts; ++j)
3220         {
3221                 prvm_edict_t *ed = PRVM_EDICT_NUM(j);
3222                 if(ed->priv.required->free)
3223                         continue;
3224                 if(!ed->priv.required->mark)
3225                 if(ed->priv.required->allocation_origin)
3226                 {
3227                         Con_Printf("Unreferenced edict found!\n  Allocated at: %s\n", ed->priv.required->allocation_origin);
3228                         PRVM_ED_Print(ed, NULL);
3229                         Con_Print("\n");
3230                         leaked = true;
3231                 }
3232         }
3233
3234         for (i = 0; i < (int)Mem_ExpandableArray_IndexRange(&prog->stringbuffersarray); ++i)
3235         {
3236                 prvm_stringbuffer_t *stringbuffer = (prvm_stringbuffer_t*) Mem_ExpandableArray_RecordAtIndex(&prog->stringbuffersarray, i);
3237                 if(stringbuffer)
3238                 if(stringbuffer->origin)
3239                 {
3240                         Con_Printf("Open string buffer handle found!\n  Allocated at: %s\n", stringbuffer->origin);
3241                         leaked = true;
3242                 }
3243         }
3244
3245         for(i = 0; i < PRVM_MAX_OPENFILES; ++i)
3246         {
3247                 if(prog->openfiles[i])
3248                 if(prog->openfiles_origin[i])
3249                 {
3250                         Con_Printf("Open file handle found!\n  Allocated at: %s\n", prog->openfiles_origin[i]);
3251                         leaked = true;
3252                 }
3253         }
3254
3255         for(i = 0; i < PRVM_MAX_OPENSEARCHES; ++i)
3256         {
3257                 if(prog->opensearches[i])
3258                 if(prog->opensearches_origin[i])
3259                 {
3260                         Con_Printf("Open search handle found!\n  Allocated at: %s\n", prog->opensearches_origin[i]);
3261                         leaked = true;
3262                 }
3263         }
3264
3265         if(!leaked)
3266                 Con_Printf("Congratulations. No leaks found.\n");
3267 }